diff --git a/index.js b/index.js index 1c6198e..d2d0b90 100644 --- a/index.js +++ b/index.js @@ -5,10 +5,12 @@ const app = express(); const templates = require('./templates'); const renderer = require('./renderer'); +const {getPdfPath} = require('./utils'); + app.use(bodyParser.json()); -app.options('/generate/pdf/:template', cors()); -app.post('/generate/pdf/:template', cors(), (req, res) => { +app.options('/pdf/generate/:template', cors()); +app.post('/pdf/generate/:template', cors(), (req, res) => { const templateName = req.params.template; const options = req.body; @@ -20,19 +22,25 @@ app.post('/generate/pdf/:template', cors(), (req, res) => { return; } - renderer(texDocument, (err, pdf) => { + renderer(texDocument, (err, pdfFilePath) => { if (err) { console.error('Error:', err.code, 'for', req.url); res.sendStatus(500).end('Something went wrong while baking the PDF'); return; } - res.setHeader('Content-Type', 'application/pdf'); - res.send(pdf); + const id = pdfFilePath.replace('/tmp/', ''); + res.send({id: id}); res.end(); }); }); }); +app.options('/pdf/:id', cors()); +app.get('/pdf/:id', cors(), (req, res) => { + const {id} = req.params; + res.sendFile(getPdfPath(id)); +}); + app.use(express.static('dist')); app.listen(5000); diff --git a/package.json b/package.json index 0621b77..6a68356 100644 --- a/package.json +++ b/package.json @@ -18,7 +18,8 @@ "preact": "^7.2.0", "preact-compat": "^3.13.1", "preact-router": "^2.4.1", - "react-pdf": "0.0.10" + "react-pdf": "0.0.10", + "uuid": "^3.0.1" }, "devDependencies": { "babel-core": "^6.23.1", diff --git a/renderer.js b/renderer.js index 22ca710..dc92149 100644 --- a/renderer.js +++ b/renderer.js @@ -1,26 +1,32 @@ const fs = require('fs'); -const path = require('path'); const spawn = require('child_process').spawn; +const uuid = require('uuid'); + +const {getDirPath, getDocPath} = require('./utils'); + function copyToTemp(texDocument, callback) { - fs.mkdtemp('/tmp/pdfer-', (err, tmpPath) => { + const id = uuid.v1(); + const dirPath = getDirPath(id); + + fs.mkdir(dirPath, (err) => { if (err) { callback(err); return; } - const docPath = path.join(tmpPath, 'doc.tex'); + const docPath = getDocPath(id); fs.writeFile(docPath, texDocument, (err) => { if (err) { callback(err); } - callback(null, docPath); + callback(null, id); }); }); } -function generateDoc(docPath, callback) { - const pdflatex = spawn('pdflatex', [docPath, '-interaction', 'nonstopmode'], {cwd: path.dirname(docPath)}); +function generateDoc(id, callback) { + const pdflatex = spawn('pdflatex', [getDocPath(id), '-interaction', 'nonstopmode'], {cwd: getDirPath(id)}); pdflatex.stderr.on('data', (data) => { console.error('onData', data); }); @@ -31,19 +37,12 @@ function generateDoc(docPath, callback) { return; } console.log('PDF generated'); - const pdfFilePath = docPath.replace('.tex', '.pdf'); - fs.readFile(pdfFilePath, (err, data) => { - if (err) { - callback(err); - return; - } - callback(null, data); - }); + callback(null, id); }); } module.exports = (texDocument, callback) => { - copyToTemp(texDocument, (err, docPath) => { - generateDoc(docPath, callback); + copyToTemp(texDocument, (err, id) => { + generateDoc(id, callback); }); }; diff --git a/utils.js b/utils.js new file mode 100644 index 0000000..e863ac0 --- /dev/null +++ b/utils.js @@ -0,0 +1,19 @@ +const path = require('path'); + +function getDirPath(id) { + return `/tmp/pdfer-${id}`; +} + +function getDocPath(id) { + return path.join(getDirPath(id), 'doc.tex'); +} + +function getPdfPath(id) { + return path.join(getDirPath(id), 'doc.pdf'); +} + +module.exports = { + getDirPath, + getDocPath, + getPdfPath +}; diff --git a/webapp/index.html b/webapp/index.html index a6884f7..efef6d9 100644 --- a/webapp/index.html +++ b/webapp/index.html @@ -10,6 +10,7 @@
Loading
- + + diff --git a/webapp/static/libs/pdf.js b/webapp/static/libs/pdf.js new file mode 100644 index 0000000..2d3c3c8 --- /dev/null +++ b/webapp/static/libs/pdf.js @@ -0,0 +1,11515 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint globalstrict: false */ +/* umdutils ignore */ + +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { +define('pdfjs-dist/build/pdf', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { +factory((root.pdfjsDistBuildPdf = {})); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + +var pdfjsVersion = '1.6.210'; +var pdfjsBuild = '4ce2356'; + + var pdfjsFilePath = + typeof document !== 'undefined' && document.currentScript ? + document.currentScript.src : null; + + var pdfjsLibs = {}; + + (function pdfjsWrapper() { + + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {})); + } +}(this, function (exports) { + +var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + +var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; + +var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 +}; + +var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; + +var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationFieldFlag = { + READONLY: 0x0000001, + REQUIRED: 0x0000002, + NOEXPORT: 0x0000004, + MULTILINE: 0x0001000, + PASSWORD: 0x0002000, + NOTOGGLETOOFF: 0x0004000, + RADIO: 0x0008000, + PUSHBUTTON: 0x0010000, + COMBO: 0x0020000, + EDIT: 0x0040000, + SORT: 0x0080000, + FILESELECT: 0x0100000, + MULTISELECT: 0x0200000, + DONOTSPELLCHECK: 0x0400000, + DONOTSCROLL: 0x0800000, + COMB: 0x1000000, + RICHTEXT: 0x2000000, + RADIOSINUNISON: 0x2000000, + COMMITONSELCHANGE: 0x4000000, +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; + +var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 +}; + +var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 +}; + +var VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 +}; + +// All the possible operations for an operator list. +var OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 +}; + +var verbosity = VERBOSITY_LEVELS.warnings; + +function setVerbosityLevel(level) { + verbosity = level; +} + +function getVerbosityLevel() { + return verbosity; +} + +// A notice for devs. These are good for things that are helpful to devs, such +// as warning that Workers were disabled, which is important to devs but not +// end users. +function info(msg) { + if (verbosity >= VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } +} + +// Non-fatal warnings. +function warn(msg) { + if (verbosity >= VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } +} + +// Deprecated API function -- display regardless of the PDFJS.verbosity setting. +function deprecated(details) { + console.log('Deprecated API usage: ' + details); +} + +// Fatal errors that should trigger the fallback UI and halt execution by +// throwing an exception. +function error(msg) { + if (verbosity >= VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); +} + +function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } +} + +function assert(cond, msg) { + if (!cond) { + error(msg); + } +} + +var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; + +// Checks if URLs have the same origin. For non-HTTP based URLs, returns false. +function isSameOrigin(baseUrl, otherUrl) { + try { + var base = new URL(baseUrl); + if (!base.origin || base.origin === 'null') { + return false; // non-HTTP url + } + } catch (e) { + return false; + } + + var other = new URL(otherUrl, base); + return base.origin === other.origin; +} + +// Validates if URL is safe and allowed, e.g. to avoid XSS. +function isValidUrl(url, allowRelative) { + if (!url || typeof url !== 'string') { + return false; + } + // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) + // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); + if (!protocol) { + return allowRelative; + } + protocol = protocol[0].toLowerCase(); + switch (protocol) { + case 'http': + case 'https': + case 'ftp': + case 'mailto': + case 'tel': + return true; + default: + return false; + } +} + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { value: value, + enumerable: true, + configurable: true, + writable: false }); + return value; +} + +function getLookupTableFactory(initializer) { + var lookup; + return function () { + if (initializer) { + lookup = Object.create(null); + initializer(lookup); + initializer = null; + } + return lookup; + }; +} + +var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; + +var PasswordException = (function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + + return PasswordException; +})(); + +var UnknownErrorException = (function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + + return UnknownErrorException; +})(); + +var InvalidPDFException = (function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + + return InvalidPDFException; +})(); + +var MissingPDFException = (function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + + return MissingPDFException; +})(); + +var UnexpectedResponseException = + (function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + + return UnexpectedResponseException; +})(); + +var NotImplementedException = (function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + + return NotImplementedException; +})(); + +var MissingDataException = (function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + + return MissingDataException; +})(); + +var XRefParseException = (function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + + return XRefParseException; +})(); + +var NullCharactersRegExp = /\x00/g; + +function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); +} + +function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); +} + +function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; +} + +/** + * Gets length of the array (Array, Uint8Array, or string) in bytes. + * @param {Array|Uint8Array|string} arr + * @returns {number} + */ +function arrayByteLength(arr) { + if (arr.length !== undefined) { + return arr.length; + } + assert(arr.byteLength !== undefined); + return arr.byteLength; +} + +/** + * Combines array items (arrays) into single Uint8Array object. + * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string). + * @returns {Uint8Array} + */ +function arraysToBytes(arr) { + // Shortcut: if first and only item is Uint8Array, return it. + if (arr.length === 1 && (arr[0] instanceof Uint8Array)) { + return arr[0]; + } + var resultLength = 0; + var i, ii = arr.length; + var item, itemLength ; + for (i = 0; i < ii; i++) { + item = arr[i]; + itemLength = arrayByteLength(item); + resultLength += itemLength; + } + var pos = 0; + var data = new Uint8Array(resultLength); + for (i = 0; i < ii; i++) { + item = arr[i]; + if (!(item instanceof Uint8Array)) { + if (typeof item === 'string') { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + itemLength = item.byteLength; + data.set(item, pos); + pos += itemLength; + } + return data; +} + +function string32(value) { + return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, + (value >> 8) & 0xff, value & 0xff); +} + +function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; +} + +function readInt8(data, start) { + return (data[start] << 24) >> 24; +} + +function readUint16(data, offset) { + return (data[offset] << 8) | data[offset + 1]; +} + +function readUint32(data, offset) { + return ((data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]) >>> 0; +} + +// Lazy test the endianness of the platform +// NOTE: This will be 'true' for simulated TypedArrays +function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return (buffer16[0] === 1); +} + +// Checks if it's possible to eval JS expressions. +function isEvalSupported() { + try { + /* jshint evil: true */ + new Function(''); + return true; + } catch (e) { + return false; + } +} + +var Uint32ArrayView = (function Uint32ArrayViewClosure() { + + function Uint32ArrayView(buffer, length) { + this.buffer = buffer; + this.byteLength = buffer.length; + this.length = length === undefined ? (this.byteLength >> 2) : length; + ensureUint32ArrayViewProps(this.length); + } + Uint32ArrayView.prototype = Object.create(null); + + var uint32ArrayViewSetters = 0; + function createUint32ArrayProp(index) { + return { + get: function () { + var buffer = this.buffer, offset = index << 2; + return (buffer[offset] | (buffer[offset + 1] << 8) | + (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; + }, + set: function (value) { + var buffer = this.buffer, offset = index << 2; + buffer[offset] = value & 255; + buffer[offset + 1] = (value >> 8) & 255; + buffer[offset + 2] = (value >> 16) & 255; + buffer[offset + 3] = (value >>> 24) & 255; + } + }; + } + + function ensureUint32ArrayViewProps(length) { + while (uint32ArrayViewSetters < length) { + Object.defineProperty(Uint32ArrayView.prototype, + uint32ArrayViewSetters, + createUint32ArrayProp(uint32ArrayViewSetters)); + uint32ArrayViewSetters++; + } + } + + return Uint32ArrayView; +})(); + +exports.Uint32ArrayView = Uint32ArrayView; + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; + +var Util = (function UtilClosure() { + function Util() {} + + var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; + + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + }; + + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + }; + + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = + function Util_getAxialAlignedBoundingBox(r, m) { + + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([r[0], r[3]], m); + var p4 = Util.applyTransform([r[2], r[1]], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; + }; + + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = + function Util_singularValueDecompose2dScale(m) { + + var transpose = [m[0], m[2], m[1], m[3]]; + + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + + // Scale values are the square roots of the eigenvalues. + return [Math.sqrt(sx), Math.sqrt(sy)]; + }; + + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + // Order points along the axes + var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), + orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), + result = []; + + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + + // X: first and second points belong to different rectangles? + if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || + (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + + // Y: first and second points belong to different rectangles? + if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || + (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + + return result; + }; + + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + + var ROMAN_NUMBER_MAP = [ + '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', + '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', + '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, + 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = (number / 100) | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = (number / 10) | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + + var romanStr = romanBuf.join(''); + return (lowerCase ? romanStr.toLowerCase() : romanStr); + }; + + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + + Util.getInheritableProperty = function Util_getInheritableProperty(dict, + name) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return dict.get(name); + }; + + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function() { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + + return Util; +})(); + +/** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PageViewport + */ +var PageViewport = (function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; + break; + case 90: + rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; + break; + case 270: + rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; + break; + //case 0: + default: + rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; rotateD = -rotateD; + } + + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PageViewport.prototype */ { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, + this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([x, y], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: + function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([rect[0], rect[1]], this.transform); + var br = Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([x, y], this.transform); + } + }; + return PageViewport; +})(); + +var PDFStringTranslateTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, + 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, + 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, + 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC +]; + +function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode( + (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); +} + +function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); +} + +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + +function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; +} + +function isBool(v) { + return typeof v === 'boolean'; +} + +function isInt(v) { + return typeof v === 'number' && ((v | 0) === v); +} + +function isNum(v) { + return typeof v === 'number'; +} + +function isString(v) { + return typeof v === 'string'; +} + +function isArray(v) { + return v instanceof Array; +} + +function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; +} + +// Checks if ch is one of the following characters: SPACE, TAB, CR or LF. +function isSpace(ch) { + return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A); +} + +/** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fulfills the promise. + * @property {function} reject - Rejects the promise. + */ + +/** + * Creates a promise capability object. + * @alias createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ +function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; +} + +/** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libraries are: + * - There currently isn't a separate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ +(function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { resolve(value); }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + var STATUS_PENDING = 0; + var STATUS_RESOLVED = 1; + var STATUS_REJECTED = 2; + + // In an attempt to avoid silent exceptions, unhandled rejections are + // tracked and if they aren't handled in a certain amount of time an + // error is logged. + var REJECTION_TIMEOUT = 500; + + var HandlerManager = { + handlers: [], + running: false, + unhandledRejections: [], + pendingRejectionCheck: false, + + scheduleHandlers: function scheduleHandlers(promise) { + if (promise._status === STATUS_PENDING) { + return; + } + + this.handlers = this.handlers.concat(promise._handlers); + promise._handlers = []; + + if (this.running) { + return; + } + this.running = true; + + setTimeout(this.runHandlers.bind(this), 0); + }, + + runHandlers: function runHandlers() { + var RUN_TIMEOUT = 1; // ms + var timeoutAt = Date.now() + RUN_TIMEOUT; + while (this.handlers.length > 0) { + var handler = this.handlers.shift(); + + var nextStatus = handler.thisPromise._status; + var nextValue = handler.thisPromise._value; + + try { + if (nextStatus === STATUS_RESOLVED) { + if (typeof handler.onResolve === 'function') { + nextValue = handler.onResolve(nextValue); + } + } else if (typeof handler.onReject === 'function') { + nextValue = handler.onReject(nextValue); + nextStatus = STATUS_RESOLVED; + + if (handler.thisPromise._unhandledRejection) { + this.removeUnhandeledRejection(handler.thisPromise); + } + } + } catch (ex) { + nextStatus = STATUS_REJECTED; + nextValue = ex; + } + + handler.nextPromise._updateStatus(nextStatus, nextValue); + if (Date.now() >= timeoutAt) { + break; + } + } + + if (this.handlers.length > 0) { + setTimeout(this.runHandlers.bind(this), 0); + return; + } + + this.running = false; + }, + + addUnhandledRejection: function addUnhandledRejection(promise) { + this.unhandledRejections.push({ + promise: promise, + time: Date.now() + }); + this.scheduleRejectionCheck(); + }, + + removeUnhandeledRejection: function removeUnhandeledRejection(promise) { + promise._unhandledRejection = false; + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (this.unhandledRejections[i].promise === promise) { + this.unhandledRejections.splice(i); + i--; + } + } + }, + + scheduleRejectionCheck: function scheduleRejectionCheck() { + if (this.pendingRejectionCheck) { + return; + } + this.pendingRejectionCheck = true; + setTimeout(function rejectionCheck() { + this.pendingRejectionCheck = false; + var now = Date.now(); + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { + var unhandled = this.unhandledRejections[i].promise._value; + var msg = 'Unhandled rejection: ' + unhandled; + if (unhandled.stack) { + msg += '\n' + unhandled.stack; + } + warn(msg); + this.unhandledRejections.splice(i); + i--; + } + } + if (this.unhandledRejections.length) { + this.scheduleRejectionCheck(); + } + }.bind(this), REJECTION_TIMEOUT); + } + }; + + function Promise(resolver) { + this._status = STATUS_PENDING; + this._handlers = []; + try { + resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); + } catch (e) { + this._reject(e); + } + } + /** + * Builds a promise that is resolved when all the passed in promises are + * resolved. + * @param {array} promises array of data and/or promises to wait for. + * @return {Promise} New dependent promise. + */ + Promise.all = function Promise_all(promises) { + var resolveAll, rejectAll; + var deferred = new Promise(function (resolve, reject) { + resolveAll = resolve; + rejectAll = reject; + }); + var unresolved = promises.length; + var results = []; + if (unresolved === 0) { + resolveAll(results); + return deferred; + } + function reject(reason) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results = []; + rejectAll(reason); + } + for (var i = 0, ii = promises.length; i < ii; ++i) { + var promise = promises[i]; + var resolve = (function(i) { + return function(value) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results[i] = value; + unresolved--; + if (unresolved === 0) { + resolveAll(results); + } + }; + })(i); + if (Promise.isPromise(promise)) { + promise.then(resolve, reject); + } else { + resolve(promise); + } + } + return deferred; + }; + + /** + * Checks if the value is likely a promise (has a 'then' function). + * @return {boolean} true if value is thenable + */ + Promise.isPromise = function Promise_isPromise(value) { + return value && typeof value.then === 'function'; + }; + + /** + * Creates resolved promise + * @param value resolve value + * @returns {Promise} + */ + Promise.resolve = function Promise_resolve(value) { + return new Promise(function (resolve) { resolve(value); }); + }; + + /** + * Creates rejected promise + * @param reason rejection value + * @returns {Promise} + */ + Promise.reject = function Promise_reject(reason) { + return new Promise(function (resolve, reject) { reject(reason); }); + }; + + Promise.prototype = { + _status: null, + _value: null, + _handlers: null, + _unhandledRejection: null, + + _updateStatus: function Promise__updateStatus(status, value) { + if (this._status === STATUS_RESOLVED || + this._status === STATUS_REJECTED) { + return; + } + + if (status === STATUS_RESOLVED && + Promise.isPromise(value)) { + value.then(this._updateStatus.bind(this, STATUS_RESOLVED), + this._updateStatus.bind(this, STATUS_REJECTED)); + return; + } + + this._status = status; + this._value = value; + + if (status === STATUS_REJECTED && this._handlers.length === 0) { + this._unhandledRejection = true; + HandlerManager.addUnhandledRejection(this); + } + + HandlerManager.scheduleHandlers(this); + }, + + _resolve: function Promise_resolve(value) { + this._updateStatus(STATUS_RESOLVED, value); + }, + + _reject: function Promise_reject(reason) { + this._updateStatus(STATUS_REJECTED, reason); + }, + + then: function Promise_then(onResolve, onReject) { + var nextPromise = new Promise(function (resolve, reject) { + this.resolve = resolve; + this.reject = reject; + }); + this._handlers.push({ + thisPromise: this, + onResolve: onResolve, + onReject: onReject, + nextPromise: nextPromise + }); + HandlerManager.scheduleHandlers(this); + return nextPromise; + }, + + catch: function Promise_catch(onReject) { + return this.then(undefined, onReject); + } + }; + + globalScope.Promise = Promise; +})(); + +(function WeakMapClosure() { + if (globalScope.WeakMap) { + return; + } + + var id = 0; + function WeakMap() { + this.id = '$weakmap' + (id++); + } + WeakMap.prototype = { + has: function(obj) { + return !!Object.getOwnPropertyDescriptor(obj, this.id); + }, + get: function(obj, defaultValue) { + return this.has(obj) ? obj[this.id] : defaultValue; + }, + set: function(obj, value) { + Object.defineProperty(obj, this.id, { + value: value, + enumerable: false, + configurable: true + }); + }, + delete: function(obj) { + delete obj[this.id]; + } + }; + + globalScope.WeakMap = WeakMap; +})(); + +var StatTimer = (function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = Object.create(null); + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; +})(); + +var createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + warn('The "Blob" constructor is not supported.'); +}; + +var createObjectURL = (function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + + return function createObjectURL(data, contentType, forceDataSchema) { + if (!forceDataSchema && + typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = createBlob(data, contentType); + return URL.createObjectURL(blob); + } + + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); + var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; + var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; +})(); + +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); +} + +MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [handler, scope]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: + function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } +}; + +function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = (function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }); + img.onerror = (function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }); + img.src = imageUrl; +} + + // Polyfill from https://github.com/Polymer/URL +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ +(function checkURLConstructor(scope) { + // feature detect for URL constructor + var hasWorkingUrl = false; + try { + if (typeof URL === 'function' && + typeof URL.prototype === 'object' && + ('origin' in URL.prototype)) { + var u = new URL('b', 'http://a'); + u.pathname = 'c%20d'; + hasWorkingUrl = u.href === 'http://a/c%20d'; + } + } catch(e) { } + + if (hasWorkingUrl) { + return; + } + + var relative = Object.create(null); + relative['ftp'] = 21; + relative['file'] = 0; + relative['gopher'] = 70; + relative['http'] = 80; + relative['https'] = 443; + relative['ws'] = 80; + relative['wss'] = 443; + + var relativePathDotMapping = Object.create(null); + relativePathDotMapping['%2e'] = '.'; + relativePathDotMapping['.%2e'] = '..'; + relativePathDotMapping['%2e.'] = '..'; + relativePathDotMapping['%2e%2e'] = '..'; + + function isRelativeScheme(scheme) { + return relative[scheme] !== undefined; + } + + function invalid() { + clear.call(this); + this._isInvalid = true; + } + + function IDNAToASCII(h) { + if ('' === h) { + invalid.call(this); + } + // XXX + return h.toLowerCase(); + } + + function percentEscape(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ? ` + [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + function percentEscapeQuery(c) { + // XXX This actually needs to encode c using encoding and then + // convert the bytes one-by-one. + + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ` (do not escape '?') + [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + var EOF, ALPHA = /[a-zA-Z]/, + ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; + + function parse(input, stateOverride, base) { + function err(message) { + errors.push(message); + } + + var state = stateOverride || 'scheme start', + cursor = 0, + buffer = '', + seenAt = false, + seenBracket = false, + errors = []; + + loop: while ((input[cursor - 1] !== EOF || cursor === 0) && + !this._isInvalid) { + var c = input[cursor]; + switch (state) { + case 'scheme start': + if (c && ALPHA.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + state = 'scheme'; + } else if (!stateOverride) { + buffer = ''; + state = 'no scheme'; + continue; + } else { + err('Invalid scheme.'); + break loop; + } + break; + + case 'scheme': + if (c && ALPHANUMERIC.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + } else if (':' === c) { + this._scheme = buffer; + buffer = ''; + if (stateOverride) { + break loop; + } + if (isRelativeScheme(this._scheme)) { + this._isRelative = true; + } + if ('file' === this._scheme) { + state = 'relative'; + } else if (this._isRelative && base && + base._scheme === this._scheme) { + state = 'relative or authority'; + } else if (this._isRelative) { + state = 'authority first slash'; + } else { + state = 'scheme data'; + } + } else if (!stateOverride) { + buffer = ''; + cursor = 0; + state = 'no scheme'; + continue; + } else if (EOF === c) { + break loop; + } else { + err('Code point not allowed in scheme: ' + c); + break loop; + } + break; + + case 'scheme data': + if ('?' === c) { + this._query = '?'; + state = 'query'; + } else if ('#' === c) { + this._fragment = '#'; + state = 'fragment'; + } else { + // XXX error handling + if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._schemeData += percentEscape(c); + } + } + break; + + case 'no scheme': + if (!base || !(isRelativeScheme(base._scheme))) { + err('Missing scheme.'); + invalid.call(this); + } else { + state = 'relative'; + continue; + } + break; + + case 'relative or authority': + if ('/' === c && '/' === input[cursor+1]) { + state = 'authority ignore slashes'; + } else { + err('Expected /, got: ' + c); + state = 'relative'; + continue; + } + break; + + case 'relative': + this._isRelative = true; + if ('file' !== this._scheme) { + this._scheme = base._scheme; + } + if (EOF === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._username = base._username; + this._password = base._password; + break loop; + } else if ('/' === c || '\\' === c) { + if ('\\' === c) { + err('\\ is an invalid code point.'); + } + state = 'relative slash'; + } else if ('?' === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = '?'; + this._username = base._username; + this._password = base._password; + state = 'query'; + } else if ('#' === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._fragment = '#'; + this._username = base._username; + this._password = base._password; + state = 'fragment'; + } else { + var nextC = input[cursor+1]; + var nextNextC = input[cursor+2]; + if ('file' !== this._scheme || !ALPHA.test(c) || + (nextC !== ':' && nextC !== '|') || + (EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && + '?' !== nextNextC && '#' !== nextNextC)) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + this._path = base._path.slice(); + this._path.pop(); + } + state = 'relative path'; + continue; + } + break; + + case 'relative slash': + if ('/' === c || '\\' === c) { + if ('\\' === c) { + err('\\ is an invalid code point.'); + } + if ('file' === this._scheme) { + state = 'file host'; + } else { + state = 'authority ignore slashes'; + } + } else { + if ('file' !== this._scheme) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + } + state = 'relative path'; + continue; + } + break; + + case 'authority first slash': + if ('/' === c) { + state = 'authority second slash'; + } else { + err('Expected \'/\', got: ' + c); + state = 'authority ignore slashes'; + continue; + } + break; + + case 'authority second slash': + state = 'authority ignore slashes'; + if ('/' !== c) { + err('Expected \'/\', got: ' + c); + continue; + } + break; + + case 'authority ignore slashes': + if ('/' !== c && '\\' !== c) { + state = 'authority'; + continue; + } else { + err('Expected authority, got: ' + c); + } + break; + + case 'authority': + if ('@' === c) { + if (seenAt) { + err('@ already seen.'); + buffer += '%40'; + } + seenAt = true; + for (var i = 0; i < buffer.length; i++) { + var cp = buffer[i]; + if ('\t' === cp || '\n' === cp || '\r' === cp) { + err('Invalid whitespace in authority.'); + continue; + } + // XXX check URL code points + if (':' === cp && null === this._password) { + this._password = ''; + continue; + } + var tempC = percentEscape(cp); + if (null !== this._password) { + this._password += tempC; + } else { + this._username += tempC; + } + } + buffer = ''; + } else if (EOF === c || '/' === c || '\\' === c || + '?' === c || '#' === c) { + cursor -= buffer.length; + buffer = ''; + state = 'host'; + continue; + } else { + buffer += c; + } + break; + + case 'file host': + if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) { + if (buffer.length === 2 && ALPHA.test(buffer[0]) && + (buffer[1] === ':' || buffer[1] === '|')) { + state = 'relative path'; + } else if (buffer.length === 0) { + state = 'relative path start'; + } else { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + } + continue; + } else if ('\t' === c || '\n' === c || '\r' === c) { + err('Invalid whitespace in file host.'); + } else { + buffer += c; + } + break; + + case 'host': + case 'hostname': + if (':' === c && !seenBracket) { + // XXX host parsing + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'port'; + if ('hostname' === stateOverride) { + break loop; + } + } else if (EOF === c || '/' === c || + '\\' === c || '?' === c || '#' === c) { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + if (stateOverride) { + break loop; + } + continue; + } else if ('\t' !== c && '\n' !== c && '\r' !== c) { + if ('[' === c) { + seenBracket = true; + } else if (']' === c) { + seenBracket = false; + } + buffer += c; + } else { + err('Invalid code point in host/hostname: ' + c); + } + break; + + case 'port': + if (/[0-9]/.test(c)) { + buffer += c; + } else if (EOF === c || '/' === c || '\\' === c || + '?' === c || '#' === c || stateOverride) { + if ('' !== buffer) { + var temp = parseInt(buffer, 10); + if (temp !== relative[this._scheme]) { + this._port = temp + ''; + } + buffer = ''; + } + if (stateOverride) { + break loop; + } + state = 'relative path start'; + continue; + } else if ('\t' === c || '\n' === c || '\r' === c) { + err('Invalid code point in port: ' + c); + } else { + invalid.call(this); + } + break; + + case 'relative path start': + if ('\\' === c) { + err('\'\\\' not allowed in path.'); + } + state = 'relative path'; + if ('/' !== c && '\\' !== c) { + continue; + } + break; + + case 'relative path': + if (EOF === c || '/' === c || '\\' === c || + (!stateOverride && ('?' === c || '#' === c))) { + if ('\\' === c) { + err('\\ not allowed in relative path.'); + } + var tmp; + if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { + buffer = tmp; + } + if ('..' === buffer) { + this._path.pop(); + if ('/' !== c && '\\' !== c) { + this._path.push(''); + } + } else if ('.' === buffer && '/' !== c && '\\' !== c) { + this._path.push(''); + } else if ('.' !== buffer) { + if ('file' === this._scheme && this._path.length === 0 && + buffer.length === 2 && ALPHA.test(buffer[0]) && + buffer[1] === '|') { + buffer = buffer[0] + ':'; + } + this._path.push(buffer); + } + buffer = ''; + if ('?' === c) { + this._query = '?'; + state = 'query'; + } else if ('#' === c) { + this._fragment = '#'; + state = 'fragment'; + } + } else if ('\t' !== c && '\n' !== c && '\r' !== c) { + buffer += percentEscape(c); + } + break; + + case 'query': + if (!stateOverride && '#' === c) { + this._fragment = '#'; + state = 'fragment'; + } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._query += percentEscapeQuery(c); + } + break; + + case 'fragment': + if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._fragment += c; + } + break; + } + + cursor++; + } + } + + function clear() { + this._scheme = ''; + this._schemeData = ''; + this._username = ''; + this._password = null; + this._host = ''; + this._port = ''; + this._path = []; + this._query = ''; + this._fragment = ''; + this._isInvalid = false; + this._isRelative = false; + } + + // Does not process domain names or IP addresses. + // Does not handle encoding for the query parameter. + function JURL(url, base /* , encoding */) { + if (base !== undefined && !(base instanceof JURL)) { + base = new JURL(String(base)); + } + + this._url = url; + clear.call(this); + + var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); + // encoding = encoding || 'utf-8' + + parse.call(this, input, null, base); + } + + JURL.prototype = { + toString: function() { + return this.href; + }, + get href() { + if (this._isInvalid) { + return this._url; + } + var authority = ''; + if ('' !== this._username || null !== this._password) { + authority = this._username + + (null !== this._password ? ':' + this._password : '') + '@'; + } + + return this.protocol + + (this._isRelative ? '//' + authority + this.host : '') + + this.pathname + this._query + this._fragment; + }, + set href(href) { + clear.call(this); + parse.call(this, href); + }, + + get protocol() { + return this._scheme + ':'; + }, + set protocol(protocol) { + if (this._isInvalid) { + return; + } + parse.call(this, protocol + ':', 'scheme start'); + }, + + get host() { + return this._isInvalid ? '' : this._port ? + this._host + ':' + this._port : this._host; + }, + set host(host) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, host, 'host'); + }, + + get hostname() { + return this._host; + }, + set hostname(hostname) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, hostname, 'hostname'); + }, + + get port() { + return this._port; + }, + set port(port) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, port, 'port'); + }, + + get pathname() { + return this._isInvalid ? '' : this._isRelative ? + '/' + this._path.join('/') : this._schemeData; + }, + set pathname(pathname) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._path = []; + parse.call(this, pathname, 'relative path start'); + }, + + get search() { + return this._isInvalid || !this._query || '?' === this._query ? + '' : this._query; + }, + set search(search) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._query = '?'; + if ('?' === search[0]) { + search = search.slice(1); + } + parse.call(this, search, 'query'); + }, + + get hash() { + return this._isInvalid || !this._fragment || '#' === this._fragment ? + '' : this._fragment; + }, + set hash(hash) { + if (this._isInvalid) { + return; + } + this._fragment = '#'; + if ('#' === hash[0]) { + hash = hash.slice(1); + } + parse.call(this, hash, 'fragment'); + }, + + get origin() { + var host; + if (this._isInvalid || !this._scheme) { + return ''; + } + // javascript: Gecko returns String(""), WebKit/Blink String("null") + // Gecko throws error for "data://" + // data: Gecko returns "", Blink returns "data://", WebKit returns "null" + // Gecko returns String("") for file: mailto: + // WebKit/Blink returns String("SCHEME://") for file: mailto: + switch (this._scheme) { + case 'data': + case 'file': + case 'javascript': + case 'mailto': + return 'null'; + } + host = this.host; + if (!host) { + return ''; + } + return this._scheme + '://' + host; + } + }; + + // Copy over the static methods + var OriginalURL = scope.URL; + if (OriginalURL) { + JURL.createObjectURL = function(blob) { + // IE extension allows a second optional options argument. + // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx + return OriginalURL.createObjectURL.apply(OriginalURL, arguments); + }; + JURL.revokeObjectURL = function(url) { + OriginalURL.revokeObjectURL(url); + }; + } + + scope.URL = JURL; +})(globalScope); + +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFieldFlag = AnnotationFieldFlag; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PageViewport = PageViewport; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.arrayByteLength = arrayByteLength; +exports.arraysToBytes = arraysToBytes; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.createBlob = createBlob; +exports.createPromiseCapability = createPromiseCapability; +exports.createObjectURL = createObjectURL; +exports.deprecated = deprecated; +exports.error = error; +exports.getLookupTableFactory = getLookupTableFactory; +exports.getVerbosityLevel = getVerbosityLevel; +exports.globalScope = globalScope; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isSpace = isSpace; +exports.isSameOrigin = isSameOrigin; +exports.isValidUrl = isValidUrl; +exports.isLittleEndian = isLittleEndian; +exports.isEvalSupported = isEvalSupported; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.removeNullCharacters = removeNullCharacters; +exports.setVerbosityLevel = setVerbosityLevel; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayDOMUtils = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var removeNullCharacters = sharedUtil.removeNullCharacters; +var warn = sharedUtil.warn; + +/** + * Optimised CSS custom property getter/setter. + * @class + */ +var CustomStyle = (function CustomStyleClosure() { + + // As noted on: http://www.zachstronaut.com/posts/2009/02/17/ + // animate-css-transforms-firefox-webkit.html + // in some versions of IE9 it is critical that ms appear in this list + // before Moz + var prefixes = ['ms', 'Moz', 'Webkit', 'O']; + var _cache = Object.create(null); + + function CustomStyle() {} + + CustomStyle.getProp = function get(propName, element) { + // check cache only when no element is given + if (arguments.length === 1 && typeof _cache[propName] === 'string') { + return _cache[propName]; + } + + element = element || document.documentElement; + var style = element.style, prefixed, uPropName; + + // test standard property first + if (typeof style[propName] === 'string') { + return (_cache[propName] = propName); + } + + // capitalize + uPropName = propName.charAt(0).toUpperCase() + propName.slice(1); + + // test vendor specific properties + for (var i = 0, l = prefixes.length; i < l; i++) { + prefixed = prefixes[i] + uPropName; + if (typeof style[prefixed] === 'string') { + return (_cache[propName] = prefixed); + } + } + + //if all fails then set to undefined + return (_cache[propName] = 'undefined'); + }; + + CustomStyle.setProp = function set(propName, element, str) { + var prop = this.getProp(propName); + if (prop !== 'undefined') { + element.style[prop] = str; + } + }; + + return CustomStyle; +})(); + +function hasCanvasTypedArrays() { + var canvas = document.createElement('canvas'); + canvas.width = canvas.height = 1; + var ctx = canvas.getContext('2d'); + var imageData = ctx.createImageData(1, 1); + return (typeof imageData.data.buffer !== 'undefined'); +} + +var LinkTarget = { + NONE: 0, // Default value. + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4, +}; + +var LinkTargetStringMap = [ + '', + '_self', + '_blank', + '_parent', + '_top' +]; + +/** + * @typedef ExternalLinkParameters + * @typedef {Object} ExternalLinkParameters + * @property {string} url - An absolute URL. + * @property {LinkTarget} target - The link target. + * @property {string} rel - The link relationship. + */ + +/** + * Adds various attributes (href, title, target, rel) to hyperlinks. + * @param {HTMLLinkElement} link - The link element. + * @param {ExternalLinkParameters} params + */ +function addLinkAttributes(link, params) { + var url = params && params.url; + link.href = link.title = (url ? removeNullCharacters(url) : ''); + + if (url) { + var target = params.target; + if (typeof target === 'undefined') { + target = getDefaultSetting('externalLinkTarget'); + } + link.target = LinkTargetStringMap[target]; + + var rel = params.rel; + if (typeof rel === 'undefined') { + rel = getDefaultSetting('externalLinkRel'); + } + link.rel = rel; + } +} + +// Gets the file name from a given URL. +function getFilenameFromUrl(url) { + var anchor = url.indexOf('#'); + var query = url.indexOf('?'); + var end = Math.min( + anchor > 0 ? anchor : url.length, + query > 0 ? query : url.length); + return url.substring(url.lastIndexOf('/', end) + 1, end); +} + +function getDefaultSetting(id) { + // The list of the settings and their default is maintained for backward + // compatibility and shall not be extended or modified. See also global.js. + var globalSettings = sharedUtil.globalScope.PDFJS; + switch (id) { + case 'pdfBug': + return globalSettings ? globalSettings.pdfBug : false; + case 'disableAutoFetch': + return globalSettings ? globalSettings.disableAutoFetch : false; + case 'disableStream': + return globalSettings ? globalSettings.disableStream : false; + case 'disableRange': + return globalSettings ? globalSettings.disableRange : false; + case 'disableFontFace': + return globalSettings ? globalSettings.disableFontFace : false; + case 'disableCreateObjectURL': + return globalSettings ? globalSettings.disableCreateObjectURL : false; + case 'disableWebGL': + return globalSettings ? globalSettings.disableWebGL : true; + case 'cMapUrl': + return globalSettings ? globalSettings.cMapUrl : null; + case 'cMapPacked': + return globalSettings ? globalSettings.cMapPacked : false; + case 'postMessageTransfers': + return globalSettings ? globalSettings.postMessageTransfers : true; + case 'workerSrc': + return globalSettings ? globalSettings.workerSrc : null; + case 'disableWorker': + return globalSettings ? globalSettings.disableWorker : false; + case 'maxImageSize': + return globalSettings ? globalSettings.maxImageSize : -1; + case 'imageResourcesPath': + return globalSettings ? globalSettings.imageResourcesPath : ''; + case 'isEvalSupported': + return globalSettings ? globalSettings.isEvalSupported : true; + case 'externalLinkTarget': + if (!globalSettings) { + return LinkTarget.NONE; + } + switch (globalSettings.externalLinkTarget) { + case LinkTarget.NONE: + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return globalSettings.externalLinkTarget; + } + warn('PDFJS.externalLinkTarget is invalid: ' + + globalSettings.externalLinkTarget); + // Reset the external link target, to suppress further warnings. + globalSettings.externalLinkTarget = LinkTarget.NONE; + return LinkTarget.NONE; + case 'externalLinkRel': + return globalSettings ? globalSettings.externalLinkRel : 'noreferrer'; + case 'enableStats': + return !!(globalSettings && globalSettings.enableStats); + default: + throw new Error('Unknown default setting: ' + id); + } +} + +function isExternalLinkTargetSet() { + var externalLinkTarget = getDefaultSetting('externalLinkTarget'); + switch (externalLinkTarget) { + case LinkTarget.NONE: + return false; + case LinkTarget.SELF: + case LinkTarget.BLANK: + case LinkTarget.PARENT: + case LinkTarget.TOP: + return true; + } +} + +exports.CustomStyle = CustomStyle; +exports.addLinkAttributes = addLinkAttributes; +exports.isExternalLinkTargetSet = isExternalLinkTargetSet; +exports.getFilenameFromUrl = getFilenameFromUrl; +exports.LinkTarget = LinkTarget; +exports.hasCanvasTypedArrays = hasCanvasTypedArrays; +exports.getDefaultSetting = getDefaultSetting; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayFontLoader = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var string32 = sharedUtil.string32; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; + +function FontLoader(docId) { + this.docId = docId; + this.styleElement = null; + this.nativeFontFaces = []; + this.loadTestFontId = 0; + this.loadingContext = { + requests: [], + nextRequestId: 0 + }; +} +FontLoader.prototype = { + insertRule: function fontLoaderInsertRule(rule) { + var styleElement = this.styleElement; + if (!styleElement) { + styleElement = this.styleElement = document.createElement('style'); + styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId; + document.documentElement.getElementsByTagName('head')[0].appendChild( + styleElement); + } + + var styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); + }, + + clear: function fontLoaderClear() { + var styleElement = this.styleElement; + if (styleElement) { + styleElement.parentNode.removeChild(styleElement); + styleElement = this.styleElement = null; + } + this.nativeFontFaces.forEach(function(nativeFontFace) { + document.fonts.delete(nativeFontFace); + }); + this.nativeFontFaces.length = 0; + }, + get loadTestFont() { + // This is a CFF font with 1 glyph for '.' that fills its entire width and + // height. + return shadow(this, 'loadTestFont', atob( + 'T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + + 'ABAAAAAAAAAAAD6AAAAAAAAA==' + )); + }, + + addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) { + this.nativeFontFaces.push(nativeFontFace); + document.fonts.add(nativeFontFace); + }, + + bind: function fontLoaderBind(fonts, callback) { + var rules = []; + var fontsToLoad = []; + var fontLoadPromises = []; + var getNativeFontPromise = function(nativeFontFace) { + // Return a promise that is always fulfilled, even when the font fails to + // load. + return nativeFontFace.loaded.catch(function(e) { + warn('Failed to load font "' + nativeFontFace.family + '": ' + e); + }); + }; + for (var i = 0, ii = fonts.length; i < ii; i++) { + var font = fonts[i]; + + // Add the font to the DOM only once or skip if the font + // is already loaded. + if (font.attached || font.loading === false) { + continue; + } + font.attached = true; + + if (FontLoader.isFontLoadingAPISupported) { + var nativeFontFace = font.createNativeFontFace(); + if (nativeFontFace) { + this.addNativeFontFace(nativeFontFace); + fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); + } + } else { + var rule = font.createFontFaceRule(); + if (rule) { + this.insertRule(rule); + rules.push(rule); + fontsToLoad.push(font); + } + } + } + + var request = this.queueLoadingCallback(callback); + if (FontLoader.isFontLoadingAPISupported) { + Promise.all(fontLoadPromises).then(function() { + request.complete(); + }); + } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) { + this.prepareFontLoadEvent(rules, fontsToLoad, request); + } else { + request.complete(); + } + }, + + queueLoadingCallback: function FontLoader_queueLoadingCallback(callback) { + function LoadLoader_completeRequest() { + assert(!request.end, 'completeRequest() cannot be called twice'); + request.end = Date.now(); + + // sending all completed requests in order how they were queued + while (context.requests.length > 0 && context.requests[0].end) { + var otherRequest = context.requests.shift(); + setTimeout(otherRequest.callback, 0); + } + } + + var context = this.loadingContext; + var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++); + var request = { + id: requestId, + complete: LoadLoader_completeRequest, + callback: callback, + started: Date.now() + }; + context.requests.push(request); + return request; + }, + + prepareFontLoadEvent: function fontLoaderPrepareFontLoadEvent(rules, + fonts, + request) { + /** Hack begin */ + // There's currently no event when a font has finished downloading so the + // following code is a dirty hack to 'guess' when a font is + // ready. It's assumed fonts are loaded in order, so add a known test + // font after the desired fonts and then test for the loading of that + // test font. + + function int32(data, offset) { + return (data.charCodeAt(offset) << 24) | + (data.charCodeAt(offset + 1) << 16) | + (data.charCodeAt(offset + 2) << 8) | + (data.charCodeAt(offset + 3) & 0xff); + } + + function spliceString(s, offset, remove, insert) { + var chunk1 = s.substr(0, offset); + var chunk2 = s.substr(offset + remove); + return chunk1 + insert + chunk2; + } + + var i, ii; + + var canvas = document.createElement('canvas'); + canvas.width = 1; + canvas.height = 1; + var ctx = canvas.getContext('2d'); + + var called = 0; + function isFontReady(name, callback) { + called++; + // With setTimeout clamping this gives the font ~100ms to load. + if(called > 30) { + warn('Load test font never loaded.'); + callback(); + return; + } + ctx.font = '30px ' + name; + ctx.fillText('.', 0, 20); + var imageData = ctx.getImageData(0, 0, 1, 1); + if (imageData.data[3] > 0) { + callback(); + return; + } + setTimeout(isFontReady.bind(null, name, callback)); + } + + var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++; + // Chromium seems to cache fonts based on a hash of the actual font data, + // so the font must be modified for each load test else it will appear to + // be loaded already. + // TODO: This could maybe be made faster by avoiding the btoa of the full + // font by splitting it in chunks before hand and padding the font id. + var data = this.loadTestFont; + var COMMENT_OFFSET = 976; // has to be on 4 byte boundary (for checksum) + data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, + loadTestFontId); + // CFF checksum is important for IE, adjusting it + var CFF_CHECKSUM_OFFSET = 16; + var XXXX_VALUE = 0x58585858; // the "comment" filled with 'X' + var checksum = int32(data, CFF_CHECKSUM_OFFSET); + for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) { + checksum = (checksum - XXXX_VALUE + int32(loadTestFontId, i)) | 0; + } + if (i < loadTestFontId.length) { // align to 4 bytes boundary + checksum = (checksum - XXXX_VALUE + + int32(loadTestFontId + 'XXX', i)) | 0; + } + data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum)); + + var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; + var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + + url + '}'; + this.insertRule(rule); + + var names = []; + for (i = 0, ii = fonts.length; i < ii; i++) { + names.push(fonts[i].loadedName); + } + names.push(loadTestFontId); + + var div = document.createElement('div'); + div.setAttribute('style', + 'visibility: hidden;' + + 'width: 10px; height: 10px;' + + 'position: absolute; top: 0px; left: 0px;'); + for (i = 0, ii = names.length; i < ii; ++i) { + var span = document.createElement('span'); + span.textContent = 'Hi'; + span.style.fontFamily = names[i]; + div.appendChild(span); + } + document.body.appendChild(div); + + isFontReady(loadTestFontId, function() { + document.body.removeChild(div); + request.complete(); + }); + /** Hack end */ + } +}; +FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && + !!document.fonts; +Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', { + get: function () { + if (typeof navigator === 'undefined') { + // node.js - we can pretend sync font loading is supported. + return shadow(FontLoader, 'isSyncFontLoadingSupported', true); + } + + var supported = false; + + // User agent string sniffing is bad, but there is no reliable way to tell + // if font is fully loaded and ready to be used with canvas. + var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); + if (m && m[1] >= 14) { + supported = true; + } + // TODO other browsers + return shadow(FontLoader, 'isSyncFontLoadingSupported', supported); + }, + enumerable: true, + configurable: true +}); + +var IsEvalSupportedCached = { + get value() { + return shadow(this, 'value', sharedUtil.isEvalSupported()); + } +}; + +var FontFaceObject = (function FontFaceObjectClosure() { + function FontFaceObject(translatedData, options) { + this.compiledGlyphs = Object.create(null); + // importing translated data + for (var i in translatedData) { + this[i] = translatedData[i]; + } + this.options = options; + } + FontFaceObject.prototype = { + createNativeFontFace: function FontFaceObject_createNativeFontFace() { + if (!this.data) { + return null; + } + + if (this.options.disableFontFace) { + this.disableFontFace = true; + return null; + } + + var nativeFontFace = new FontFace(this.loadedName, this.data, {}); + + if (this.options.fontRegistry) { + this.options.fontRegistry.registerFont(this); + } + return nativeFontFace; + }, + + createFontFaceRule: function FontFaceObject_createFontFaceRule() { + if (!this.data) { + return null; + } + + if (this.options.disableFontFace) { + this.disableFontFace = true; + return null; + } + + var data = bytesToString(new Uint8Array(this.data)); + var fontName = this.loadedName; + + // Add the font-face rule to the document + var url = ('url(data:' + this.mimetype + ';base64,' + btoa(data) + ');'); + var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; + + if (this.options.fontRegistry) { + this.options.fontRegistry.registerFont(this, url); + } + + return rule; + }, + + getPathGenerator: + function FontFaceObject_getPathGenerator(objs, character) { + if (!(character in this.compiledGlyphs)) { + var cmds = objs.get(this.loadedName + '_path_' + character); + var current, i, len; + + // If we can, compile cmds into JS for MAXIMUM SPEED + if (this.options.isEvalSupported && IsEvalSupportedCached.value) { + var args, js = ''; + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.args !== undefined) { + args = current.args.join(','); + } else { + args = ''; + } + + js += 'c.' + current.cmd + '(' + args + ');\n'; + } + /* jshint -W054 */ + this.compiledGlyphs[character] = new Function('c', 'size', js); + } else { + // But fall back on using Function.prototype.apply() if we're + // blocked from using eval() for whatever reason (like CSP policies) + this.compiledGlyphs[character] = function(c, size) { + for (i = 0, len = cmds.length; i < len; i++) { + current = cmds[i]; + + if (current.cmd === 'scale') { + current.args = [size, -size]; + } + + c[current.cmd].apply(c, current.args); + } + }; + } + } + return this.compiledGlyphs[character]; + } + }; + return FontFaceObject; +})(); + +exports.FontFaceObject = FontFaceObject; +exports.FontLoader = FontLoader; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayMetadata = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var error = sharedUtil.error; + + function fixMetadata(meta) { + return meta.replace(/>\\376\\377([^<]+)/g, function(all, codes) { + var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, + function(code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }); + var chars = ''; + for (var i = 0; i < bytes.length; i += 2) { + var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && + code !== 38 && false ? String.fromCharCode(code) : + '&#x' + (0x10000 + code).toString(16).substring(1) + ';'; + } + return '>' + chars; + }); + } + + function Metadata(meta) { + if (typeof meta === 'string') { + // Ghostscript produces invalid metadata + meta = fixMetadata(meta); + + var parser = new DOMParser(); + meta = parser.parseFromString(meta, 'application/xml'); + } else if (!(meta instanceof Document)) { + error('Metadata: Invalid metadata object'); + } + + this.metaDocument = meta; + this.metadata = Object.create(null); + this.parse(); + } + + Metadata.prototype = { + parse: function Metadata_parse() { + var doc = this.metaDocument; + var rdf = doc.documentElement; + + if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') { // Wrapped in + rdf = rdf.firstChild; + while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') { + rdf = rdf.nextSibling; + } + } + + var nodeName = (rdf) ? rdf.nodeName.toLowerCase() : null; + if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) { + return; + } + + var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength; + for (i = 0, length = children.length; i < length; i++) { + desc = children[i]; + if (desc.nodeName.toLowerCase() !== 'rdf:description') { + continue; + } + + for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) { + if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') { + entry = desc.childNodes[ii]; + name = entry.nodeName.toLowerCase(); + this.metadata[name] = entry.textContent.trim(); + } + } + } + }, + + get: function Metadata_get(name) { + return this.metadata[name] || null; + }, + + has: function Metadata_has(name) { + return typeof this.metadata[name] !== 'undefined'; + } + }; + +exports.Metadata = Metadata; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplaySVG = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var Util = sharedUtil.Util; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var warn = sharedUtil.warn; +var createObjectURL = sharedUtil.createObjectURL; + +var SVG_DEFAULTS = { + fontStyle: 'normal', + fontWeight: 'normal', + fillColor: '#000000' +}; + +var convertImgDataToPng = (function convertImgDataToPngClosure() { + var PNG_HEADER = + new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); + + var CHUNK_WRAPPER_SIZE = 12; + + var crcTable = new Int32Array(256); + for (var i = 0; i < 256; i++) { + var c = i; + for (var h = 0; h < 8; h++) { + if (c & 1) { + c = 0xedB88320 ^ ((c >> 1) & 0x7fffffff); + } else { + c = (c >> 1) & 0x7fffffff; + } + } + crcTable[i] = c; + } + + function crc32(data, start, end) { + var crc = -1; + for (var i = start; i < end; i++) { + var a = (crc ^ data[i]) & 0xff; + var b = crcTable[a]; + crc = (crc >>> 8) ^ b; + } + return crc ^ -1; + } + + function writePngChunk(type, body, data, offset) { + var p = offset; + var len = body.length; + + data[p] = len >> 24 & 0xff; + data[p + 1] = len >> 16 & 0xff; + data[p + 2] = len >> 8 & 0xff; + data[p + 3] = len & 0xff; + p += 4; + + data[p] = type.charCodeAt(0) & 0xff; + data[p + 1] = type.charCodeAt(1) & 0xff; + data[p + 2] = type.charCodeAt(2) & 0xff; + data[p + 3] = type.charCodeAt(3) & 0xff; + p += 4; + + data.set(body, p); + p += body.length; + + var crc = crc32(data, offset + 4, p); + + data[p] = crc >> 24 & 0xff; + data[p + 1] = crc >> 16 & 0xff; + data[p + 2] = crc >> 8 & 0xff; + data[p + 3] = crc & 0xff; + } + + function adler32(data, start, end) { + var a = 1; + var b = 0; + for (var i = start; i < end; ++i) { + a = (a + (data[i] & 0xff)) % 65521; + b = (b + a) % 65521; + } + return (b << 16) | a; + } + + function encode(imgData, kind, forceDataSchema) { + var width = imgData.width; + var height = imgData.height; + var bitDepth, colorType, lineSize; + var bytes = imgData.data; + + switch (kind) { + case ImageKind.GRAYSCALE_1BPP: + colorType = 0; + bitDepth = 1; + lineSize = (width + 7) >> 3; + break; + case ImageKind.RGB_24BPP: + colorType = 2; + bitDepth = 8; + lineSize = width * 3; + break; + case ImageKind.RGBA_32BPP: + colorType = 6; + bitDepth = 8; + lineSize = width * 4; + break; + default: + throw new Error('invalid format'); + } + + // prefix every row with predictor 0 + var literals = new Uint8Array((1 + lineSize) * height); + var offsetLiterals = 0, offsetBytes = 0; + var y, i; + for (y = 0; y < height; ++y) { + literals[offsetLiterals++] = 0; // no prediction + literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), + offsetLiterals); + offsetBytes += lineSize; + offsetLiterals += lineSize; + } + + if (kind === ImageKind.GRAYSCALE_1BPP) { + // inverting for B/W + offsetLiterals = 0; + for (y = 0; y < height; y++) { + offsetLiterals++; // skipping predictor + for (i = 0; i < lineSize; i++) { + literals[offsetLiterals++] ^= 0xFF; + } + } + } + + var ihdr = new Uint8Array([ + width >> 24 & 0xff, + width >> 16 & 0xff, + width >> 8 & 0xff, + width & 0xff, + height >> 24 & 0xff, + height >> 16 & 0xff, + height >> 8 & 0xff, + height & 0xff, + bitDepth, // bit depth + colorType, // color type + 0x00, // compression method + 0x00, // filter method + 0x00 // interlace method + ]); + + var len = literals.length; + var maxBlockLength = 0xFFFF; + + var deflateBlocks = Math.ceil(len / maxBlockLength); + var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); + var pi = 0; + idat[pi++] = 0x78; // compression method and flags + idat[pi++] = 0x9c; // flags + + var pos = 0; + while (len > maxBlockLength) { + // writing non-final DEFLATE blocks type 0 and length of 65535 + idat[pi++] = 0x00; + idat[pi++] = 0xff; + idat[pi++] = 0xff; + idat[pi++] = 0x00; + idat[pi++] = 0x00; + idat.set(literals.subarray(pos, pos + maxBlockLength), pi); + pi += maxBlockLength; + pos += maxBlockLength; + len -= maxBlockLength; + } + + // writing non-final DEFLATE blocks type 0 + idat[pi++] = 0x01; + idat[pi++] = len & 0xff; + idat[pi++] = len >> 8 & 0xff; + idat[pi++] = (~len & 0xffff) & 0xff; + idat[pi++] = (~len & 0xffff) >> 8 & 0xff; + idat.set(literals.subarray(pos), pi); + pi += literals.length - pos; + + var adler = adler32(literals, 0, literals.length); // checksum + idat[pi++] = adler >> 24 & 0xff; + idat[pi++] = adler >> 16 & 0xff; + idat[pi++] = adler >> 8 & 0xff; + idat[pi++] = adler & 0xff; + + // PNG will consists: header, IHDR+data, IDAT+data, and IEND. + var pngLength = PNG_HEADER.length + (CHUNK_WRAPPER_SIZE * 3) + + ihdr.length + idat.length; + var data = new Uint8Array(pngLength); + var offset = 0; + data.set(PNG_HEADER, offset); + offset += PNG_HEADER.length; + writePngChunk('IHDR', ihdr, data, offset); + offset += CHUNK_WRAPPER_SIZE + ihdr.length; + writePngChunk('IDATA', idat, data, offset); + offset += CHUNK_WRAPPER_SIZE + idat.length; + writePngChunk('IEND', new Uint8Array(0), data, offset); + + return createObjectURL(data, 'image/png', forceDataSchema); + } + + return function convertImgDataToPng(imgData, forceDataSchema) { + var kind = (imgData.kind === undefined ? + ImageKind.GRAYSCALE_1BPP : imgData.kind); + return encode(imgData, kind, forceDataSchema); + }; +})(); + +var SVGExtraState = (function SVGExtraStateClosure() { + function SVGExtraState() { + this.fontSizeScale = 1; + this.fontWeight = SVG_DEFAULTS.fontWeight; + this.fontSize = 0; + + this.textMatrix = IDENTITY_MATRIX; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRise = 0; + + // Default foreground and background colors + this.fillColor = SVG_DEFAULTS.fillColor; + this.strokeColor = '#000000'; + + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.lineJoin = ''; + this.lineCap = ''; + this.miterLimit = 0; + + this.dashArray = []; + this.dashPhase = 0; + + this.dependencies = []; + + // Clipping + this.clipId = ''; + this.pendingClip = false; + + this.maskId = ''; + } + + SVGExtraState.prototype = { + clone: function SVGExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return SVGExtraState; +})(); + +var SVGGraphics = (function SVGGraphicsClosure() { + function createScratchSVG(width, height) { + var NS = 'http://www.w3.org/2000/svg'; + var svg = document.createElementNS(NS, 'svg:svg'); + svg.setAttributeNS(null, 'version', '1.1'); + svg.setAttributeNS(null, 'width', width + 'px'); + svg.setAttributeNS(null, 'height', height + 'px'); + svg.setAttributeNS(null, 'viewBox', '0 0 ' + width + ' ' + height); + return svg; + } + + function opListToTree(opList) { + var opTree = []; + var tmp = []; + var opListLen = opList.length; + + for (var x = 0; x < opListLen; x++) { + if (opList[x].fn === 'save') { + opTree.push({'fnId': 92, 'fn': 'group', 'items': []}); + tmp.push(opTree); + opTree = opTree[opTree.length - 1].items; + continue; + } + + if(opList[x].fn === 'restore') { + opTree = tmp.pop(); + } else { + opTree.push(opList[x]); + } + } + return opTree; + } + + /** + * Formats float number. + * @param value {number} number to format. + * @returns {string} + */ + function pf(value) { + if (value === (value | 0)) { // integer number + return value.toString(); + } + var s = value.toFixed(10); + var i = s.length - 1; + if (s[i] !== '0') { + return s; + } + // removing trailing zeros + do { + i--; + } while (s[i] === '0'); + return s.substr(0, s[i] === '.' ? i : i + 1); + } + + /** + * Formats transform matrix. The standard rotation, scale and translate + * matrices are replaced by their shorter forms, and for identity matrix + * returns empty string to save the memory. + * @param m {Array} matrix to format. + * @returns {string} + */ + function pm(m) { + if (m[4] === 0 && m[5] === 0) { + if (m[1] === 0 && m[2] === 0) { + if (m[0] === 1 && m[3] === 1) { + return ''; + } + return 'scale(' + pf(m[0]) + ' ' + pf(m[3]) + ')'; + } + if (m[0] === m[3] && m[1] === -m[2]) { + var a = Math.acos(m[0]) * 180 / Math.PI; + return 'rotate(' + pf(a) + ')'; + } + } else { + if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { + return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + } + } + return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')'; + } + + function SVGGraphics(commonObjs, objs, forceDataSchema) { + this.current = new SVGExtraState(); + this.transformMatrix = IDENTITY_MATRIX; // Graphics state matrix + this.transformStack = []; + this.extraStack = []; + this.commonObjs = commonObjs; + this.objs = objs; + this.pendingEOFill = false; + + this.embedFonts = false; + this.embeddedFonts = Object.create(null); + this.cssStyle = null; + this.forceDataSchema = !!forceDataSchema; + } + + var NS = 'http://www.w3.org/2000/svg'; + var XML_NS = 'http://www.w3.org/XML/1998/namespace'; + var XLINK_NS = 'http://www.w3.org/1999/xlink'; + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var clipCount = 0; + var maskCount = 0; + + SVGGraphics.prototype = { + save: function SVGGraphics_save() { + this.transformStack.push(this.transformMatrix); + var old = this.current; + this.extraStack.push(old); + this.current = old.clone(); + }, + + restore: function SVGGraphics_restore() { + this.transformMatrix = this.transformStack.pop(); + this.current = this.extraStack.pop(); + + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.pgrp.appendChild(this.tgrp); + }, + + group: function SVGGraphics_group(items) { + this.save(); + this.executeOpTree(items); + this.restore(); + }, + + loadDependencies: function SVGGraphics_loadDependencies(operatorList) { + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var argsArray = operatorList.argsArray; + + var self = this; + for (var i = 0; i < fnArrayLen; i++) { + if (OPS.dependency === fnArray[i]) { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var obj = deps[n]; + var common = obj.substring(0, 2) === 'g_'; + var promise; + if (common) { + promise = new Promise(function(resolve) { + self.commonObjs.get(obj, resolve); + }); + } else { + promise = new Promise(function(resolve) { + self.objs.get(obj, resolve); + }); + } + this.current.dependencies.push(promise); + } + } + } + return Promise.all(this.current.dependencies); + }, + + transform: function SVGGraphics_transform(a, b, c, d, e, f) { + var transformMatrix = [a, b, c, d, e, f]; + this.transformMatrix = Util.transform(this.transformMatrix, + transformMatrix); + + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + getSVG: function SVGGraphics_getSVG(operatorList, viewport) { + this.svg = createScratchSVG(viewport.width, viewport.height); + this.viewport = viewport; + + return this.loadDependencies(operatorList).then(function () { + this.transformMatrix = IDENTITY_MATRIX; + this.pgrp = document.createElementNS(NS, 'svg:g'); // Parent group + this.pgrp.setAttributeNS(null, 'transform', pm(viewport.transform)); + this.tgrp = document.createElementNS(NS, 'svg:g'); // Transform group + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.defs = document.createElementNS(NS, 'svg:defs'); + this.pgrp.appendChild(this.defs); + this.pgrp.appendChild(this.tgrp); + this.svg.appendChild(this.pgrp); + var opTree = this.convertOpList(operatorList); + this.executeOpTree(opTree); + return this.svg; + }.bind(this)); + }, + + convertOpList: function SVGGraphics_convertOpList(operatorList) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var fnArrayLen = fnArray.length; + var REVOPS = []; + var opList = []; + + for (var op in OPS) { + REVOPS[OPS[op]] = op; + } + + for (var x = 0; x < fnArrayLen; x++) { + var fnId = fnArray[x]; + opList.push({'fnId' : fnId, 'fn': REVOPS[fnId], 'args': argsArray[x]}); + } + return opListToTree(opList); + }, + + executeOpTree: function SVGGraphics_executeOpTree(opTree) { + var opTreeLen = opTree.length; + for(var x = 0; x < opTreeLen; x++) { + var fn = opTree[x].fn; + var fnId = opTree[x].fnId; + var args = opTree[x].args; + + switch (fnId | 0) { + case OPS.beginText: + this.beginText(); + break; + case OPS.setLeading: + this.setLeading(args); + break; + case OPS.setLeadingMoveText: + this.setLeadingMoveText(args[0], args[1]); + break; + case OPS.setFont: + this.setFont(args); + break; + case OPS.showText: + this.showText(args[0]); + break; + case OPS.showSpacedText: + this.showText(args[0]); + break; + case OPS.endText: + this.endText(); + break; + case OPS.moveText: + this.moveText(args[0], args[1]); + break; + case OPS.setCharSpacing: + this.setCharSpacing(args[0]); + break; + case OPS.setWordSpacing: + this.setWordSpacing(args[0]); + break; + case OPS.setHScale: + this.setHScale(args[0]); + break; + case OPS.setTextMatrix: + this.setTextMatrix(args[0], args[1], args[2], + args[3], args[4], args[5]); + break; + case OPS.setLineWidth: + this.setLineWidth(args[0]); + break; + case OPS.setLineJoin: + this.setLineJoin(args[0]); + break; + case OPS.setLineCap: + this.setLineCap(args[0]); + break; + case OPS.setMiterLimit: + this.setMiterLimit(args[0]); + break; + case OPS.setFillRGBColor: + this.setFillRGBColor(args[0], args[1], args[2]); + break; + case OPS.setStrokeRGBColor: + this.setStrokeRGBColor(args[0], args[1], args[2]); + break; + case OPS.setDash: + this.setDash(args[0], args[1]); + break; + case OPS.setGState: + this.setGState(args[0]); + break; + case OPS.fill: + this.fill(); + break; + case OPS.eoFill: + this.eoFill(); + break; + case OPS.stroke: + this.stroke(); + break; + case OPS.fillStroke: + this.fillStroke(); + break; + case OPS.eoFillStroke: + this.eoFillStroke(); + break; + case OPS.clip: + this.clip('nonzero'); + break; + case OPS.eoClip: + this.clip('evenodd'); + break; + case OPS.paintSolidColorImageMask: + this.paintSolidColorImageMask(); + break; + case OPS.paintJpegXObject: + this.paintJpegXObject(args[0], args[1], args[2]); + break; + case OPS.paintImageXObject: + this.paintImageXObject(args[0]); + break; + case OPS.paintInlineImageXObject: + this.paintInlineImageXObject(args[0]); + break; + case OPS.paintImageMaskXObject: + this.paintImageMaskXObject(args[0]); + break; + case OPS.paintFormXObjectBegin: + this.paintFormXObjectBegin(args[0], args[1]); + break; + case OPS.paintFormXObjectEnd: + this.paintFormXObjectEnd(); + break; + case OPS.closePath: + this.closePath(); + break; + case OPS.closeStroke: + this.closeStroke(); + break; + case OPS.closeFillStroke: + this.closeFillStroke(); + break; + case OPS.nextLine: + this.nextLine(); + break; + case OPS.transform: + this.transform(args[0], args[1], args[2], args[3], + args[4], args[5]); + break; + case OPS.constructPath: + this.constructPath(args[0], args[1]); + break; + case OPS.endPath: + this.endPath(); + break; + case 92: + this.group(opTree[x].items); + break; + default: + warn('Unimplemented method '+ fn); + break; + } + } + }, + + setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) { + this.current.wordSpacing = wordSpacing; + }, + + setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) { + this.current.charSpacing = charSpacing; + }, + + nextLine: function SVGGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) { + var current = this.current; + this.current.textMatrix = this.current.lineMatrix = [a, b, c, d, e, f]; + + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + + current.xcoords = []; + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + + current.txtElement = document.createElementNS(NS, 'svg:text'); + current.txtElement.appendChild(current.tspan); + }, + + beginText: function SVGGraphics_beginText() { + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + this.current.textMatrix = IDENTITY_MATRIX; + this.current.lineMatrix = IDENTITY_MATRIX; + this.current.tspan = document.createElementNS(NS, 'svg:tspan'); + this.current.txtElement = document.createElementNS(NS, 'svg:text'); + this.current.txtgrp = document.createElementNS(NS, 'svg:g'); + this.current.xcoords = []; + }, + + moveText: function SVGGraphics_moveText(x, y) { + var current = this.current; + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + + current.xcoords = []; + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + }, + + showText: function SVGGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + + if (fontSize === 0) { + return; + } + + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (glyph === null) { + // word break + x += fontDirection * wordSpacing; + continue; + } else if (isNum(glyph)) { + x += -glyph * fontSize * 0.001; + continue; + } + current.xcoords.push(current.x + x * textHScale); + + var width = glyph.width; + var character = glyph.fontChar; + var charWidth = width * widthAdvanceScale + charSpacing * fontDirection; + x += charWidth; + + current.tspan.textContent += character; + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + + current.tspan.setAttributeNS(null, 'x', + current.xcoords.map(pf).join(' ')); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.tspan.setAttributeNS(null, 'font-family', current.fontFamily); + current.tspan.setAttributeNS(null, 'font-size', + pf(current.fontSize) + 'px'); + if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { + current.tspan.setAttributeNS(null, 'font-style', current.fontStyle); + } + if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { + current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight); + } + if (current.fillColor !== SVG_DEFAULTS.fillColor) { + current.tspan.setAttributeNS(null, 'fill', current.fillColor); + } + + current.txtElement.setAttributeNS(null, 'transform', + pm(current.textMatrix) + + ' scale(1, -1)' ); + current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve'); + current.txtElement.appendChild(current.tspan); + current.txtgrp.appendChild(current.txtElement); + + this.tgrp.appendChild(current.txtElement); + + }, + + setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + + addFontStyle: function SVGGraphics_addFontStyle(fontObj) { + if (!this.cssStyle) { + this.cssStyle = document.createElementNS(NS, 'svg:style'); + this.cssStyle.setAttributeNS(null, 'type', 'text/css'); + this.defs.appendChild(this.cssStyle); + } + + var url = createObjectURL(fontObj.data, fontObj.mimetype, + this.forceDataSchema); + this.cssStyle.textContent += + '@font-face { font-family: "' + fontObj.loadedName + '";' + + ' src: url(' + url + '); }\n'; + }, + + setFont: function SVGGraphics_setFont(details) { + var current = this.current; + var fontObj = this.commonObjs.get(details[0]); + var size = details[1]; + this.current.font = fontObj; + + if (this.embedFonts && fontObj.data && + !this.embeddedFonts[fontObj.loadedName]) { + this.addFontStyle(fontObj); + this.embeddedFonts[fontObj.loadedName] = fontObj; + } + + current.fontMatrix = (fontObj.fontMatrix ? + fontObj.fontMatrix : FONT_IDENTITY_MATRIX); + + var bold = fontObj.black ? (fontObj.bold ? 'bolder' : 'bold') : + (fontObj.bold ? 'bold' : 'normal'); + var italic = fontObj.italic ? 'italic' : 'normal'; + + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + current.fontSize = size; + current.fontFamily = fontObj.loadedName; + current.fontWeight = bold; + current.fontStyle = italic; + + current.tspan = document.createElementNS(NS, 'svg:tspan'); + current.tspan.setAttributeNS(null, 'y', pf(-current.y)); + current.xcoords = []; + }, + + endText: function SVGGraphics_endText() { + if (this.current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + // Path properties + setLineWidth: function SVGGraphics_setLineWidth(width) { + this.current.lineWidth = width; + }, + setLineCap: function SVGGraphics_setLineCap(style) { + this.current.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function SVGGraphics_setLineJoin(style) { + this.current.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function SVGGraphics_setMiterLimit(limit) { + this.current.miterLimit = limit; + }, + setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.current.strokeColor = color; + }, + setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.current.fillColor = color; + this.current.tspan = document.createElementNS(NS, 'svg:tspan'); + this.current.xcoords = []; + }, + setDash: function SVGGraphics_setDash(dashArray, dashPhase) { + this.current.dashArray = dashArray; + this.current.dashPhase = dashPhase; + }, + + constructPath: function SVGGraphics_constructPath(ops, args) { + var current = this.current; + var x = current.x, y = current.y; + current.path = document.createElementNS(NS, 'svg:path'); + var d = []; + var opLength = ops.length; + + for (var i = 0, j = 0; i < opLength; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + var xw = x + width; + var yh = y + height; + d.push('M', pf(x), pf(y), 'L', pf(xw) , pf(y), 'L', pf(xw), pf(yh), + 'L', pf(x), pf(yh), 'Z'); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + d.push('M', pf(x), pf(y)); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + d.push('L', pf(x) , pf(y)); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), + pf(args[j + 3]), pf(x), pf(y)); + j += 6; + break; + case OPS.curveTo2: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), + pf(args[j + 2]), pf(args[j + 3])); + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), + pf(x), pf(y)); + j += 4; + break; + case OPS.closePath: + d.push('Z'); + break; + } + } + current.path.setAttributeNS(null, 'd', d.join(' ')); + current.path.setAttributeNS(null, 'stroke-miterlimit', + pf(current.miterLimit)); + current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap); + current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin); + current.path.setAttributeNS(null, 'stroke-width', + pf(current.lineWidth) + 'px'); + current.path.setAttributeNS(null, 'stroke-dasharray', + current.dashArray.map(pf).join(' ')); + current.path.setAttributeNS(null, 'stroke-dashoffset', + pf(current.dashPhase) + 'px'); + current.path.setAttributeNS(null, 'fill', 'none'); + + this.tgrp.appendChild(current.path); + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + // Saving a reference in current.element so that it can be addressed + // in 'fill' and 'stroke' + current.element = current.path; + current.setCurrentPoint(x, y); + }, + + endPath: function SVGGraphics_endPath() { + var current = this.current; + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + this.tgrp = document.createElementNS(NS, 'svg:g'); + this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + }, + + clip: function SVGGraphics_clip(type) { + var current = this.current; + // Add current path to clipping path + current.clipId = 'clippath' + clipCount; + clipCount++; + this.clippath = document.createElementNS(NS, 'svg:clipPath'); + this.clippath.setAttributeNS(null, 'id', current.clipId); + var clipElement = current.element.cloneNode(); + if (type === 'evenodd') { + clipElement.setAttributeNS(null, 'clip-rule', 'evenodd'); + } else { + clipElement.setAttributeNS(null, 'clip-rule', 'nonzero'); + } + this.clippath.setAttributeNS(null, 'transform', pm(this.transformMatrix)); + this.clippath.appendChild(clipElement); + this.defs.appendChild(this.clippath); + + // Create a new group with that attribute + current.pendingClip = true; + this.cgrp = document.createElementNS(NS, 'svg:g'); + this.cgrp.setAttributeNS(null, 'clip-path', + 'url(#' + current.clipId + ')'); + this.pgrp.appendChild(this.cgrp); + }, + + closePath: function SVGGraphics_closePath() { + var current = this.current; + var d = current.path.getAttributeNS(null, 'd'); + d += 'Z'; + current.path.setAttributeNS(null, 'd', d); + }, + + setLeading: function SVGGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + + setTextRise: function SVGGraphics_setTextRise(textRise) { + this.current.textRise = textRise; + }, + + setHScale: function SVGGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + + setGState: function SVGGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + break; + case 'FL': + break; + case 'Font': + this.setFont(value); + break; + case 'CA': + break; + case 'ca': + break; + case 'BM': + break; + case 'SMask': + break; + } + } + }, + + fill: function SVGGraphics_fill() { + var current = this.current; + current.element.setAttributeNS(null, 'fill', current.fillColor); + }, + + stroke: function SVGGraphics_stroke() { + var current = this.current; + current.element.setAttributeNS(null, 'stroke', current.strokeColor); + current.element.setAttributeNS(null, 'fill', 'none'); + }, + + eoFill: function SVGGraphics_eoFill() { + var current = this.current; + current.element.setAttributeNS(null, 'fill', current.fillColor); + current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); + }, + + fillStroke: function SVGGraphics_fillStroke() { + // Order is important since stroke wants fill to be none. + // First stroke, then if fill needed, it will be overwritten. + this.stroke(); + this.fill(); + }, + + eoFillStroke: function SVGGraphics_eoFillStroke() { + this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd'); + this.fillStroke(); + }, + + closeStroke: function SVGGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + + closeFillStroke: function SVGGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + + paintSolidColorImageMask: + function SVGGraphics_paintSolidColorImageMask() { + var current = this.current; + var rect = document.createElementNS(NS, 'svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', '1px'); + rect.setAttributeNS(null, 'height', '1px'); + rect.setAttributeNS(null, 'fill', current.fillColor); + this.tgrp.appendChild(rect); + }, + + paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) { + var current = this.current; + var imgObj = this.objs.get(objId); + var imgEl = document.createElementNS(NS, 'svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src); + imgEl.setAttributeNS(null, 'width', imgObj.width + 'px'); + imgEl.setAttributeNS(null, 'height', imgObj.height + 'px'); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-h)); + imgEl.setAttributeNS(null, 'transform', + 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')'); + + this.tgrp.appendChild(imgEl); + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + }, + + paintImageXObject: function SVGGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + this.paintInlineImageXObject(imgData); + }, + + paintInlineImageXObject: + function SVGGraphics_paintInlineImageXObject(imgData, mask) { + var current = this.current; + var width = imgData.width; + var height = imgData.height; + + var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema); + var cliprect = document.createElementNS(NS, 'svg:rect'); + cliprect.setAttributeNS(null, 'x', '0'); + cliprect.setAttributeNS(null, 'y', '0'); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + current.element = cliprect; + this.clip('nonzero'); + var imgEl = document.createElementNS(NS, 'svg:image'); + imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc); + imgEl.setAttributeNS(null, 'x', '0'); + imgEl.setAttributeNS(null, 'y', pf(-height)); + imgEl.setAttributeNS(null, 'width', pf(width) + 'px'); + imgEl.setAttributeNS(null, 'height', pf(height) + 'px'); + imgEl.setAttributeNS(null, 'transform', + 'scale(' + pf(1 / width) + ' ' + + pf(-1 / height) + ')'); + if (mask) { + mask.appendChild(imgEl); + } else { + this.tgrp.appendChild(imgEl); + } + if (current.pendingClip) { + this.cgrp.appendChild(this.tgrp); + this.pgrp.appendChild(this.cgrp); + } else { + this.pgrp.appendChild(this.tgrp); + } + }, + + paintImageMaskXObject: + function SVGGraphics_paintImageMaskXObject(imgData) { + var current = this.current; + var width = imgData.width; + var height = imgData.height; + var fillColor = current.fillColor; + + current.maskId = 'mask' + maskCount++; + var mask = document.createElementNS(NS, 'svg:mask'); + mask.setAttributeNS(null, 'id', current.maskId); + + var rect = document.createElementNS(NS, 'svg:rect'); + rect.setAttributeNS(null, 'x', '0'); + rect.setAttributeNS(null, 'y', '0'); + rect.setAttributeNS(null, 'width', pf(width)); + rect.setAttributeNS(null, 'height', pf(height)); + rect.setAttributeNS(null, 'fill', fillColor); + rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId +')'); + this.defs.appendChild(mask); + this.tgrp.appendChild(rect); + + this.paintInlineImageXObject(imgData, mask); + }, + + paintFormXObjectBegin: + function SVGGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + + if (isArray(matrix) && matrix.length === 6) { + this.transform(matrix[0], matrix[1], matrix[2], + matrix[3], matrix[4], matrix[5]); + } + + if (isArray(bbox) && bbox.length === 4) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + + var cliprect = document.createElementNS(NS, 'svg:rect'); + cliprect.setAttributeNS(null, 'x', bbox[0]); + cliprect.setAttributeNS(null, 'y', bbox[1]); + cliprect.setAttributeNS(null, 'width', pf(width)); + cliprect.setAttributeNS(null, 'height', pf(height)); + this.current.element = cliprect; + this.clip('nonzero'); + this.endPath(); + } + }, + + paintFormXObjectEnd: + function SVGGraphics_paintFormXObjectEnd() { + this.restore(); + } + }; + return SVGGraphics; +})(); + +exports.SVGGraphics = SVGGraphics; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayAnnotationLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils); + } +}(this, function (exports, sharedUtil, displayDOMUtils) { + +var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; +var AnnotationType = sharedUtil.AnnotationType; +var Util = sharedUtil.Util; +var addLinkAttributes = displayDOMUtils.addLinkAttributes; +var LinkTarget = displayDOMUtils.LinkTarget; +var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; +var warn = sharedUtil.warn; +var CustomStyle = displayDOMUtils.CustomStyle; +var getDefaultSetting = displayDOMUtils.getDefaultSetting; + +/** + * @typedef {Object} AnnotationElementParameters + * @property {Object} data + * @property {HTMLDivElement} layer + * @property {PDFPage} page + * @property {PageViewport} viewport + * @property {IPDFLinkService} linkService + * @property {DownloadManager} downloadManager + * @property {string} imageResourcesPath + * @property {boolean} renderInteractiveForms + */ + +/** + * @class + * @alias AnnotationElementFactory + */ +function AnnotationElementFactory() {} +AnnotationElementFactory.prototype = + /** @lends AnnotationElementFactory.prototype */ { + /** + * @param {AnnotationElementParameters} parameters + * @returns {AnnotationElement} + */ + create: function AnnotationElementFactory_create(parameters) { + var subtype = parameters.data.annotationType; + + switch (subtype) { + case AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + + case AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + + case AnnotationType.WIDGET: + var fieldType = parameters.data.fieldType; + + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotationElement(parameters); + } + return new WidgetAnnotationElement(parameters); + + case AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + + case AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + + case AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + + case AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + + case AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + + case AnnotationType.FILEATTACHMENT: + return new FileAttachmentAnnotationElement(parameters); + + default: + return new AnnotationElement(parameters); + } + } +}; + +/** + * @class + * @alias AnnotationElement + */ +var AnnotationElement = (function AnnotationElementClosure() { + function AnnotationElement(parameters, isRenderable) { + this.isRenderable = isRenderable || false; + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + this.downloadManager = parameters.downloadManager; + this.imageResourcesPath = parameters.imageResourcesPath; + this.renderInteractiveForms = parameters.renderInteractiveForms; + + if (isRenderable) { + this.container = this._createContainer(); + } + } + + AnnotationElement.prototype = /** @lends AnnotationElement.prototype */ { + /** + * Create an empty container for the annotation's HTML element. + * + * @private + * @memberof AnnotationElement + * @returns {HTMLSectionElement} + */ + _createContainer: function AnnotationElement_createContainer() { + var data = this.data, page = this.page, viewport = this.viewport; + var container = document.createElement('section'); + var width = data.rect[2] - data.rect[0]; + var height = data.rect[3] - data.rect[1]; + + container.setAttribute('data-annotation-id', data.id); + + // Do *not* modify `data.rect`, since that will corrupt the annotation + // position on subsequent calls to `_createContainer` (see issue 6804). + var rect = Util.normalizeRect([ + data.rect[0], + page.view[3] - data.rect[1] + page.view[1], + data.rect[2], + page.view[3] - data.rect[3] + page.view[1] + ]); + + CustomStyle.setProp('transform', container, + 'matrix(' + viewport.transform.join(',') + ')'); + CustomStyle.setProp('transformOrigin', container, + -rect[0] + 'px ' + -rect[1] + 'px'); + + if (data.borderStyle.width > 0) { + container.style.borderWidth = data.borderStyle.width + 'px'; + if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) { + // Underline styles only have a bottom border, so we do not need + // to adjust for all borders. This yields a similar result as + // Adobe Acrobat/Reader. + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } + + var horizontalRadius = data.borderStyle.horizontalCornerRadius; + var verticalRadius = data.borderStyle.verticalCornerRadius; + if (horizontalRadius > 0 || verticalRadius > 0) { + var radius = horizontalRadius + 'px / ' + verticalRadius + 'px'; + CustomStyle.setProp('borderRadius', container, radius); + } + + switch (data.borderStyle.style) { + case AnnotationBorderStyleType.SOLID: + container.style.borderStyle = 'solid'; + break; + + case AnnotationBorderStyleType.DASHED: + container.style.borderStyle = 'dashed'; + break; + + case AnnotationBorderStyleType.BEVELED: + warn('Unimplemented border style: beveled'); + break; + + case AnnotationBorderStyleType.INSET: + warn('Unimplemented border style: inset'); + break; + + case AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = 'solid'; + break; + + default: + break; + } + + if (data.color) { + container.style.borderColor = + Util.makeCssRgb(data.color[0] | 0, + data.color[1] | 0, + data.color[2] | 0); + } else { + // Transparent (invisible) border, so do not draw it at all. + container.style.borderWidth = 0; + } + } + + container.style.left = rect[0] + 'px'; + container.style.top = rect[1] + 'px'; + + container.style.width = width + 'px'; + container.style.height = height + 'px'; + + return container; + }, + + /** + * Create a popup for the annotation's HTML element. This is used for + * annotations that do not have a Popup entry in the dictionary, but + * are of a type that works with popups (such as Highlight annotations). + * + * @private + * @param {HTMLSectionElement} container + * @param {HTMLDivElement|HTMLImageElement|null} trigger + * @param {Object} data + * @memberof AnnotationElement + */ + _createPopup: + function AnnotationElement_createPopup(container, trigger, data) { + // If no trigger element is specified, create it. + if (!trigger) { + trigger = document.createElement('div'); + trigger.style.height = container.style.height; + trigger.style.width = container.style.width; + container.appendChild(trigger); + } + + var popupElement = new PopupElement({ + container: container, + trigger: trigger, + color: data.color, + title: data.title, + contents: data.contents, + hideWrapper: true + }); + var popup = popupElement.render(); + + // Position the popup next to the annotation's container. + popup.style.left = container.style.width; + + container.appendChild(popup); + }, + + /** + * Render the annotation's HTML element in the empty container. + * + * @public + * @memberof AnnotationElement + */ + render: function AnnotationElement_render() { + throw new Error('Abstract method AnnotationElement.render called'); + } + }; + + return AnnotationElement; +})(); + +/** + * @class + * @alias LinkAnnotationElement + */ +var LinkAnnotationElement = (function LinkAnnotationElementClosure() { + function LinkAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + } + + Util.inherit(LinkAnnotationElement, AnnotationElement, { + /** + * Render the link annotation's HTML element in the empty container. + * + * @public + * @memberof LinkAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function LinkAnnotationElement_render() { + this.container.className = 'linkAnnotation'; + + var link = document.createElement('a'); + addLinkAttributes(link, { + url: this.data.url, + target: (this.data.newWindow ? LinkTarget.BLANK : undefined), + }); + + if (!this.data.url) { + if (this.data.action) { + this._bindNamedAction(link, this.data.action); + } else { + this._bindLink(link, (this.data.dest || null)); + } + } + + this.container.appendChild(link); + return this.container; + }, + + /** + * Bind internal links to the link element. + * + * @private + * @param {Object} link + * @param {Object} destination + * @memberof LinkAnnotationElement + */ + _bindLink: function LinkAnnotationElement_bindLink(link, destination) { + var self = this; + + link.href = this.linkService.getDestinationHash(destination); + link.onclick = function() { + if (destination) { + self.linkService.navigateTo(destination); + } + return false; + }; + if (destination) { + link.className = 'internalLink'; + } + }, + + /** + * Bind named actions to the link element. + * + * @private + * @param {Object} link + * @param {Object} action + * @memberof LinkAnnotationElement + */ + _bindNamedAction: + function LinkAnnotationElement_bindNamedAction(link, action) { + var self = this; + + link.href = this.linkService.getAnchorUrl(''); + link.onclick = function() { + self.linkService.executeNamedAction(action); + return false; + }; + link.className = 'internalLink'; + } + }); + + return LinkAnnotationElement; +})(); + +/** + * @class + * @alias TextAnnotationElement + */ +var TextAnnotationElement = (function TextAnnotationElementClosure() { + function TextAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || + parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(TextAnnotationElement, AnnotationElement, { + /** + * Render the text annotation's HTML element in the empty container. + * + * @public + * @memberof TextAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextAnnotationElement_render() { + this.container.className = 'textAnnotation'; + + var image = document.createElement('img'); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = this.imageResourcesPath + 'annotation-' + + this.data.name.toLowerCase() + '.svg'; + image.alt = '[{{type}} Annotation]'; + image.dataset.l10nId = 'text_annotation_type'; + image.dataset.l10nArgs = JSON.stringify({type: this.data.name}); + + if (!this.data.hasPopup) { + this._createPopup(this.container, image, this.data); + } + + this.container.appendChild(image); + return this.container; + } + }); + + return TextAnnotationElement; +})(); + +/** + * @class + * @alias WidgetAnnotationElement + */ +var WidgetAnnotationElement = (function WidgetAnnotationElementClosure() { + function WidgetAnnotationElement(parameters) { + var isRenderable = parameters.renderInteractiveForms || + (!parameters.data.hasAppearance && !!parameters.data.fieldValue); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(WidgetAnnotationElement, AnnotationElement, { + /** + * Render the widget annotation's HTML element in the empty container. + * + * @public + * @memberof WidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function WidgetAnnotationElement_render() { + // Show only the container for unsupported field types. + return this.container; + } + }); + + return WidgetAnnotationElement; +})(); + +/** + * @class + * @alias TextWidgetAnnotationElement + */ +var TextWidgetAnnotationElement = ( + function TextWidgetAnnotationElementClosure() { + var TEXT_ALIGNMENT = ['left', 'center', 'right']; + + function TextWidgetAnnotationElement(parameters) { + WidgetAnnotationElement.call(this, parameters); + } + + Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, { + /** + * Render the text widget annotation's HTML element in the empty container. + * + * @public + * @memberof TextWidgetAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function TextWidgetAnnotationElement_render() { + this.container.className = 'textWidgetAnnotation'; + + var element = null; + if (this.renderInteractiveForms) { + // NOTE: We cannot set the values using `element.value` below, since it + // prevents the AnnotationLayer rasterizer in `test/driver.js` + // from parsing the elements correctly for the reference tests. + if (this.data.multiLine) { + element = document.createElement('textarea'); + element.textContent = this.data.fieldValue; + } else { + element = document.createElement('input'); + element.type = 'text'; + element.setAttribute('value', this.data.fieldValue); + } + + element.disabled = this.data.readOnly; + + if (this.data.maxLen !== null) { + element.maxLength = this.data.maxLen; + } + + if (this.data.comb) { + var fieldWidth = this.data.rect[2] - this.data.rect[0]; + var combWidth = fieldWidth / this.data.maxLen; + + element.classList.add('comb'); + element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)'; + } + } else { + element = document.createElement('div'); + element.textContent = this.data.fieldValue; + element.style.verticalAlign = 'middle'; + element.style.display = 'table-cell'; + + var font = null; + if (this.data.fontRefName) { + font = this.page.commonObjs.getData(this.data.fontRefName); + } + this._setTextStyle(element, font); + } + + if (this.data.textAlignment !== null) { + element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; + } + + this.container.appendChild(element); + return this.container; + }, + + /** + * Apply text styles to the text in the element. + * + * @private + * @param {HTMLDivElement} element + * @param {Object} font + * @memberof TextWidgetAnnotationElement + */ + _setTextStyle: + function TextWidgetAnnotationElement_setTextStyle(element, font) { + // TODO: This duplicates some of the logic in CanvasGraphics.setFont(). + var style = element.style; + style.fontSize = this.data.fontSize + 'px'; + style.direction = (this.data.fontDirection < 0 ? 'rtl': 'ltr'); + + if (!font) { + return; + } + + style.fontWeight = (font.black ? + (font.bold ? '900' : 'bold') : + (font.bold ? 'bold' : 'normal')); + style.fontStyle = (font.italic ? 'italic' : 'normal'); + + // Use a reasonable default font if the font doesn't specify a fallback. + var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : ''; + var fallbackName = font.fallbackName || 'Helvetica, sans-serif'; + style.fontFamily = fontFamily + fallbackName; + } + }); + + return TextWidgetAnnotationElement; +})(); + +/** + * @class + * @alias PopupAnnotationElement + */ +var PopupAnnotationElement = (function PopupAnnotationElementClosure() { + function PopupAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(PopupAnnotationElement, AnnotationElement, { + /** + * Render the popup annotation's HTML element in the empty container. + * + * @public + * @memberof PopupAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function PopupAnnotationElement_render() { + this.container.className = 'popupAnnotation'; + + var selector = '[data-annotation-id="' + this.data.parentId + '"]'; + var parentElement = this.layer.querySelector(selector); + if (!parentElement) { + return this.container; + } + + var popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + contents: this.data.contents + }); + + // Position the popup next to the parent annotation's container. + // PDF viewers ignore a popup annotation's rectangle. + var parentLeft = parseFloat(parentElement.style.left); + var parentWidth = parseFloat(parentElement.style.width); + CustomStyle.setProp('transformOrigin', this.container, + -(parentLeft + parentWidth) + 'px -' + + parentElement.style.top); + this.container.style.left = (parentLeft + parentWidth) + 'px'; + + this.container.appendChild(popup.render()); + return this.container; + } + }); + + return PopupAnnotationElement; +})(); + +/** + * @class + * @alias PopupElement + */ +var PopupElement = (function PopupElementClosure() { + var BACKGROUND_ENLIGHT = 0.7; + + function PopupElement(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + + this.pinned = false; + } + + PopupElement.prototype = /** @lends PopupElement.prototype */ { + /** + * Render the popup's HTML element. + * + * @public + * @memberof PopupElement + * @returns {HTMLSectionElement} + */ + render: function PopupElement_render() { + var wrapper = document.createElement('div'); + wrapper.className = 'popupWrapper'; + + // For Popup annotations we hide the entire section because it contains + // only the popup. However, for Text annotations without a separate Popup + // annotation, we cannot hide the entire container as the image would + // disappear too. In that special case, hiding the wrapper suffices. + this.hideElement = (this.hideWrapper ? wrapper : this.container); + this.hideElement.setAttribute('hidden', true); + + var popup = document.createElement('div'); + popup.className = 'popup'; + + var color = this.color; + if (color) { + // Enlighten the color. + var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0); + } + + var contents = this._formatContents(this.contents); + var title = document.createElement('h1'); + title.textContent = this.title; + + // Attach the event listeners to the trigger element. + this.trigger.addEventListener('click', this._toggle.bind(this)); + this.trigger.addEventListener('mouseover', this._show.bind(this, false)); + this.trigger.addEventListener('mouseout', this._hide.bind(this, false)); + popup.addEventListener('click', this._hide.bind(this, true)); + + popup.appendChild(title); + popup.appendChild(contents); + wrapper.appendChild(popup); + return wrapper; + }, + + /** + * Format the contents of the popup by adding newlines where necessary. + * + * @private + * @param {string} contents + * @memberof PopupElement + * @returns {HTMLParagraphElement} + */ + _formatContents: function PopupElement_formatContents(contents) { + var p = document.createElement('p'); + var lines = contents.split(/(?:\r\n?|\n)/); + for (var i = 0, ii = lines.length; i < ii; ++i) { + var line = lines[i]; + p.appendChild(document.createTextNode(line)); + if (i < (ii - 1)) { + p.appendChild(document.createElement('br')); + } + } + return p; + }, + + /** + * Toggle the visibility of the popup. + * + * @private + * @memberof PopupElement + */ + _toggle: function PopupElement_toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + }, + + /** + * Show the popup. + * + * @private + * @param {boolean} pin + * @memberof PopupElement + */ + _show: function PopupElement_show(pin) { + if (pin) { + this.pinned = true; + } + if (this.hideElement.hasAttribute('hidden')) { + this.hideElement.removeAttribute('hidden'); + this.container.style.zIndex += 1; + } + }, + + /** + * Hide the popup. + * + * @private + * @param {boolean} unpin + * @memberof PopupElement + */ + _hide: function PopupElement_hide(unpin) { + if (unpin) { + this.pinned = false; + } + if (!this.hideElement.hasAttribute('hidden') && !this.pinned) { + this.hideElement.setAttribute('hidden', true); + this.container.style.zIndex -= 1; + } + } + }; + + return PopupElement; +})(); + +/** + * @class + * @alias HighlightAnnotationElement + */ +var HighlightAnnotationElement = ( + function HighlightAnnotationElementClosure() { + function HighlightAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || + parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(HighlightAnnotationElement, AnnotationElement, { + /** + * Render the highlight annotation's HTML element in the empty container. + * + * @public + * @memberof HighlightAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function HighlightAnnotationElement_render() { + this.container.className = 'highlightAnnotation'; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + }); + + return HighlightAnnotationElement; +})(); + +/** + * @class + * @alias UnderlineAnnotationElement + */ +var UnderlineAnnotationElement = ( + function UnderlineAnnotationElementClosure() { + function UnderlineAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || + parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(UnderlineAnnotationElement, AnnotationElement, { + /** + * Render the underline annotation's HTML element in the empty container. + * + * @public + * @memberof UnderlineAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function UnderlineAnnotationElement_render() { + this.container.className = 'underlineAnnotation'; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + }); + + return UnderlineAnnotationElement; +})(); + +/** + * @class + * @alias SquigglyAnnotationElement + */ +var SquigglyAnnotationElement = (function SquigglyAnnotationElementClosure() { + function SquigglyAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || + parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(SquigglyAnnotationElement, AnnotationElement, { + /** + * Render the squiggly annotation's HTML element in the empty container. + * + * @public + * @memberof SquigglyAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function SquigglyAnnotationElement_render() { + this.container.className = 'squigglyAnnotation'; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + }); + + return SquigglyAnnotationElement; +})(); + +/** + * @class + * @alias StrikeOutAnnotationElement + */ +var StrikeOutAnnotationElement = ( + function StrikeOutAnnotationElementClosure() { + function StrikeOutAnnotationElement(parameters) { + var isRenderable = !!(parameters.data.hasPopup || + parameters.data.title || parameters.data.contents); + AnnotationElement.call(this, parameters, isRenderable); + } + + Util.inherit(StrikeOutAnnotationElement, AnnotationElement, { + /** + * Render the strikeout annotation's HTML element in the empty container. + * + * @public + * @memberof StrikeOutAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function StrikeOutAnnotationElement_render() { + this.container.className = 'strikeoutAnnotation'; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + }); + + return StrikeOutAnnotationElement; +})(); + +/** + * @class + * @alias FileAttachmentAnnotationElement + */ +var FileAttachmentAnnotationElement = ( + function FileAttachmentAnnotationElementClosure() { + function FileAttachmentAnnotationElement(parameters) { + AnnotationElement.call(this, parameters, true); + + this.filename = getFilenameFromUrl(parameters.data.file.filename); + this.content = parameters.data.file.content; + } + + Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, { + /** + * Render the file attachment annotation's HTML element in the empty + * container. + * + * @public + * @memberof FileAttachmentAnnotationElement + * @returns {HTMLSectionElement} + */ + render: function FileAttachmentAnnotationElement_render() { + this.container.className = 'fileAttachmentAnnotation'; + + var trigger = document.createElement('div'); + trigger.style.height = this.container.style.height; + trigger.style.width = this.container.style.width; + trigger.addEventListener('dblclick', this._download.bind(this)); + + if (!this.data.hasPopup && (this.data.title || this.data.contents)) { + this._createPopup(this.container, trigger, this.data); + } + + this.container.appendChild(trigger); + return this.container; + }, + + /** + * Download the file attachment associated with this annotation. + * + * @private + * @memberof FileAttachmentAnnotationElement + */ + _download: function FileAttachmentAnnotationElement_download() { + if (!this.downloadManager) { + warn('Download cannot be started due to unavailable download manager'); + return; + } + this.downloadManager.downloadData(this.content, this.filename, ''); + } + }); + + return FileAttachmentAnnotationElement; +})(); + +/** + * @typedef {Object} AnnotationLayerParameters + * @property {PageViewport} viewport + * @property {HTMLDivElement} div + * @property {Array} annotations + * @property {PDFPage} page + * @property {IPDFLinkService} linkService + * @property {string} imageResourcesPath + * @property {boolean} renderInteractiveForms + */ + +/** + * @class + * @alias AnnotationLayer + */ +var AnnotationLayer = (function AnnotationLayerClosure() { + return { + /** + * Render a new annotation layer with all annotation elements. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + render: function AnnotationLayer_render(parameters) { + var annotationElementFactory = new AnnotationElementFactory(); + + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + if (!data) { + continue; + } + + var properties = { + data: data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService, + downloadManager: parameters.downloadManager, + imageResourcesPath: parameters.imageResourcesPath || + getDefaultSetting('imageResourcesPath'), + renderInteractiveForms: parameters.renderInteractiveForms || false, + }; + var element = annotationElementFactory.create(properties); + if (element.isRenderable) { + parameters.div.appendChild(element.render()); + } + } + }, + + /** + * Update the annotation elements on existing annotation layer. + * + * @public + * @param {AnnotationLayerParameters} parameters + * @memberof AnnotationLayer + */ + update: function AnnotationLayer_update(parameters) { + for (var i = 0, ii = parameters.annotations.length; i < ii; i++) { + var data = parameters.annotations[i]; + var element = parameters.div.querySelector( + '[data-annotation-id="' + data.id + '"]'); + if (element) { + CustomStyle.setProp('transform', element, + 'matrix(' + parameters.viewport.transform.join(',') + ')'); + } + } + parameters.div.removeAttribute('hidden'); + } + }; +})(); + +exports.AnnotationLayer = AnnotationLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayTextLayer = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils); + } +}(this, function (exports, sharedUtil, displayDOMUtils) { + +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var CustomStyle = displayDOMUtils.CustomStyle; +var getDefaultSetting = displayDOMUtils.getDefaultSetting; + +/** + * Text layer render parameters. + * + * @typedef {Object} TextLayerRenderParameters + * @property {TextContent} textContent - Text content to render (the object is + * returned by the page's getTextContent() method). + * @property {HTMLElement} container - HTML element that will contain text runs. + * @property {PageViewport} viewport - The target viewport to properly + * layout the text runs. + * @property {Array} textDivs - (optional) HTML elements that are correspond + * the text items of the textContent input. This is output and shall be + * initially be set to empty array. + * @property {number} timeout - (optional) Delay in milliseconds before + * rendering of the text runs occurs. + * @property {boolean} enhanceTextSelection - (optional) Whether to turn on the + * text selection enhancement. + */ +var renderTextLayer = (function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + + var NonWhitespaceRegexp = /\S/; + + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + + // Text layers may contain many thousand div's, and using `styleBuf` avoids + // creating many intermediate strings when building their 'style' properties. + var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, + 'px; font-family: ', '', ';']; + + function appendText(task, geom, styles) { + // Initialize all used properties to keep the caches monomorphic. + var textDiv = document.createElement('div'); + var textDivProperties = { + style: null, + angle: 0, + canvasWidth: 0, + isWhitespace: false, + originalTransform: null, + paddingBottom: 0, + paddingLeft: 0, + paddingRight: 0, + paddingTop: 0, + scale: 1, + }; + + task._textDivs.push(textDiv); + if (isAllWhitespace(geom.str)) { + textDivProperties.isWhitespace = true; + task._textDivProperties.set(textDiv, textDivProperties); + return; + } + + var tx = Util.transform(task._viewport.transform, geom.transform); + var angle = Math.atan2(tx[1], tx[0]); + var style = styles[geom.fontName]; + if (style.vertical) { + angle += Math.PI / 2; + } + var fontHeight = Math.sqrt((tx[2] * tx[2]) + (tx[3] * tx[3])); + var fontAscent = fontHeight; + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + + var left; + var top; + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + (fontAscent * Math.sin(angle)); + top = tx[5] - (fontAscent * Math.cos(angle)); + } + styleBuf[1] = left; + styleBuf[3] = top; + styleBuf[5] = fontHeight; + styleBuf[7] = style.fontFamily; + textDivProperties.style = styleBuf.join(''); + textDiv.setAttribute('style', textDivProperties.style); + + textDiv.textContent = geom.str; + // |fontName| is only used by the Font Inspector. This test will succeed + // when e.g. the Font Inspector is off but the Stepper is on, but it's + // not worth the effort to do a more accurate test. We only use `dataset` + // here to make the font name available for the debugger. + if (getDefaultSetting('pdfBug')) { + textDiv.dataset.fontName = geom.fontName; + } + if (angle !== 0) { + textDivProperties.angle = angle * (180 / Math.PI); + } + // We don't bother scaling single-char text divs, because it has very + // little effect on text highlighting. This makes scrolling on docs with + // lots of such divs a lot faster. + if (geom.str.length > 1) { + if (style.vertical) { + textDivProperties.canvasWidth = geom.height * task._viewport.scale; + } else { + textDivProperties.canvasWidth = geom.width * task._viewport.scale; + } + } + task._textDivProperties.set(textDiv, textDivProperties); + + if (task._enhanceTextSelection) { + var angleCos = 1, angleSin = 0; + if (angle !== 0) { + angleCos = Math.cos(angle); + angleSin = Math.sin(angle); + } + var divWidth = (style.vertical ? geom.height : geom.width) * + task._viewport.scale; + var divHeight = fontHeight; + + var m, b; + if (angle !== 0) { + m = [angleCos, angleSin, -angleSin, angleCos, left, top]; + b = Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m); + } else { + b = [left, top, left + divWidth, top + divHeight]; + } + + task._bounds.push({ + left: b[0], + top: b[1], + right: b[2], + bottom: b[3], + div: textDiv, + size: [divWidth, divHeight], + m: m + }); + } + } + + function render(task) { + if (task._canceled) { + return; + } + var textLayerFrag = task._container; + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + + // No point in rendering many divs as it would make the browser + // unusable even after the divs are rendered. + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + task._renderingDone = true; + capability.resolve(); + return; + } + + var canvas = document.createElement('canvas'); + canvas.mozOpaque = true; + var ctx = canvas.getContext('2d', {alpha: false}); + + var lastFontSize; + var lastFontFamily; + for (var i = 0; i < textDivsLength; i++) { + var textDiv = textDivs[i]; + var textDivProperties = task._textDivProperties.get(textDiv); + if (textDivProperties.isWhitespace) { + continue; + } + + var fontSize = textDiv.style.fontSize; + var fontFamily = textDiv.style.fontFamily; + + // Only build font string and set to context if different from last. + if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) { + ctx.font = fontSize + ' ' + fontFamily; + lastFontSize = fontSize; + lastFontFamily = fontFamily; + } + + var width = ctx.measureText(textDiv.textContent).width; + textLayerFrag.appendChild(textDiv); + + var transform = ''; + if (textDivProperties.canvasWidth !== 0 && width > 0) { + textDivProperties.scale = textDivProperties.canvasWidth / width; + transform = 'scaleX(' + textDivProperties.scale + ')'; + } + if (textDivProperties.angle !== 0) { + transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform; + } + if (transform !== '') { + textDivProperties.originalTransform = transform; + CustomStyle.setProp('transform', textDiv, transform); + } + task._textDivProperties.set(textDiv, textDivProperties); + } + task._renderingDone = true; + capability.resolve(); + } + + function expand(task) { + var bounds = task._bounds; + var viewport = task._viewport; + + var expanded = expandBounds(viewport.width, viewport.height, bounds); + for (var i = 0; i < expanded.length; i++) { + var div = bounds[i].div; + var divProperties = task._textDivProperties.get(div); + if (divProperties.angle === 0) { + divProperties.paddingLeft = bounds[i].left - expanded[i].left; + divProperties.paddingTop = bounds[i].top - expanded[i].top; + divProperties.paddingRight = expanded[i].right - bounds[i].right; + divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; + task._textDivProperties.set(div, divProperties); + continue; + } + // Box is rotated -- trying to find padding so rotated div will not + // exceed its expanded bounds. + var e = expanded[i], b = bounds[i]; + var m = b.m, c = m[0], s = m[1]; + // Finding intersections with expanded box. + var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size]; + var ts = new Float64Array(64); + points.forEach(function (p, i) { + var t = Util.applyTransform(p, m); + ts[i + 0] = c && (e.left - t[0]) / c; + ts[i + 4] = s && (e.top - t[1]) / s; + ts[i + 8] = c && (e.right - t[0]) / c; + ts[i + 12] = s && (e.bottom - t[1]) / s; + + ts[i + 16] = s && (e.left - t[0]) / -s; + ts[i + 20] = c && (e.top - t[1]) / c; + ts[i + 24] = s && (e.right - t[0]) / -s; + ts[i + 28] = c && (e.bottom - t[1]) / c; + + ts[i + 32] = c && (e.left - t[0]) / -c; + ts[i + 36] = s && (e.top - t[1]) / -s; + ts[i + 40] = c && (e.right - t[0]) / -c; + ts[i + 44] = s && (e.bottom - t[1]) / -s; + + ts[i + 48] = s && (e.left - t[0]) / s; + ts[i + 52] = c && (e.top - t[1]) / -c; + ts[i + 56] = s && (e.right - t[0]) / s; + ts[i + 60] = c && (e.bottom - t[1]) / -c; + }); + var findPositiveMin = function (ts, offset, count) { + var result = 0; + for (var i = 0; i < count; i++) { + var t = ts[offset++]; + if (t > 0) { + result = result ? Math.min(t, result) : t; + } + } + return result; + }; + // Not based on math, but to simplify calculations, using cos and sin + // absolute values to not exceed the box (it can but insignificantly). + var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); + divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; + divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; + divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; + divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; + task._textDivProperties.set(div, divProperties); + } + } + + function expandBounds(width, height, boxes) { + var bounds = boxes.map(function (box, i) { + return { + x1: box.left, + y1: box.top, + x2: box.right, + y2: box.bottom, + index: i, + x1New: undefined, + x2New: undefined + }; + }); + expandBoundsLTR(width, bounds); + var expanded = new Array(boxes.length); + bounds.forEach(function (b) { + var i = b.index; + expanded[i] = { + left: b.x1New, + top: 0, + right: b.x2New, + bottom: 0 + }; + }); + + // Rotating on 90 degrees and extending extended boxes. Reusing the bounds + // array and objects. + boxes.map(function (box, i) { + var e = expanded[i], b = bounds[i]; + b.x1 = box.top; + b.y1 = width - e.right; + b.x2 = box.bottom; + b.y2 = width - e.left; + b.index = i; + b.x1New = undefined; + b.x2New = undefined; + }); + expandBoundsLTR(height, bounds); + + bounds.forEach(function (b) { + var i = b.index; + expanded[i].top = b.x1New; + expanded[i].bottom = b.x2New; + }); + return expanded; + } + + function expandBoundsLTR(width, bounds) { + // Sorting by x1 coordinate and walk by the bounds in the same order. + bounds.sort(function (a, b) { return a.x1 - b.x1 || a.index - b.index; }); + + // First we see on the horizon is a fake boundary. + var fakeBoundary = { + x1: -Infinity, + y1: -Infinity, + x2: 0, + y2: Infinity, + index: -1, + x1New: 0, + x2New: 0 + }; + var horizon = [{ + start: -Infinity, + end: Infinity, + boundary: fakeBoundary + }]; + + bounds.forEach(function (boundary) { + // Searching for the affected part of horizon. + // TODO red-black tree or simple binary search + var i = 0; + while (i < horizon.length && horizon[i].end <= boundary.y1) { + i++; + } + var j = horizon.length - 1; + while(j >= 0 && horizon[j].start >= boundary.y2) { + j--; + } + + var horizonPart, affectedBoundary; + var q, k, maxXNew = -Infinity; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var xNew; + if (affectedBoundary.x2 > boundary.x1) { + // In the middle of the previous element, new x shall be at the + // boundary start. Extending if further if the affected bondary + // placed on top of the current one. + xNew = affectedBoundary.index > boundary.index ? + affectedBoundary.x1New : boundary.x1; + } else if (affectedBoundary.x2New === undefined) { + // We have some space in between, new x in middle will be a fair + // choice. + xNew = (affectedBoundary.x2 + boundary.x1) / 2; + } else { + // Affected boundary has x2new set, using it as new x. + xNew = affectedBoundary.x2New; + } + if (xNew > maxXNew) { + maxXNew = xNew; + } + } + + // Set new x1 for current boundary. + boundary.x1New = maxXNew; + + // Adjusts new x2 for the affected boundaries. + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + // Was not set yet, choosing new x if possible. + if (affectedBoundary.x2 > boundary.x1) { + // Current and affected boundaries intersect. If affected boundary + // is placed on top of the current, shrinking the affected. + if (affectedBoundary.index > boundary.index) { + affectedBoundary.x2New = affectedBoundary.x2; + } + } else { + affectedBoundary.x2New = maxXNew; + } + } else if (affectedBoundary.x2New > maxXNew) { + // Affected boundary is touching new x, pushing it back. + affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); + } + } + + // Fixing the horizon. + var changedHorizon = [], lastBoundary = null; + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + // Checking which boundary will be visible. + var useBoundary = affectedBoundary.x2 > boundary.x2 ? + affectedBoundary : boundary; + if (lastBoundary === useBoundary) { + // Merging with previous. + changedHorizon[changedHorizon.length - 1].end = horizonPart.end; + } else { + changedHorizon.push({ + start: horizonPart.start, + end: horizonPart.end, + boundary: useBoundary + }); + lastBoundary = useBoundary; + } + } + if (horizon[i].start < boundary.y1) { + changedHorizon[0].start = boundary.y1; + changedHorizon.unshift({ + start: horizon[i].start, + end: boundary.y1, + boundary: horizon[i].boundary + }); + } + if (boundary.y2 < horizon[j].end) { + changedHorizon[changedHorizon.length - 1].end = boundary.y2; + changedHorizon.push({ + start: boundary.y2, + end: horizon[j].end, + boundary: horizon[j].boundary + }); + } + + // Set x2 new of boundary that is no longer visible (see overlapping case + // above). + // TODO more efficient, e.g. via reference counting. + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New !== undefined) { + continue; + } + var used = false; + for (k = i - 1; !used && k >= 0 && + horizon[k].start >= affectedBoundary.y1; k--) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = j + 1; !used && k < horizon.length && + horizon[k].end <= affectedBoundary.y2; k++) { + used = horizon[k].boundary === affectedBoundary; + } + for (k = 0; !used && k < changedHorizon.length; k++) { + used = changedHorizon[k].boundary === affectedBoundary; + } + if (!used) { + affectedBoundary.x2New = maxXNew; + } + } + + Array.prototype.splice.apply(horizon, + [i, j - i + 1].concat(changedHorizon)); + }); + + // Set new x2 for all unset boundaries. + horizon.forEach(function (horizonPart) { + var affectedBoundary = horizonPart.boundary; + if (affectedBoundary.x2New === undefined) { + affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + } + }); + } + + /** + * Text layer rendering task. + * + * @param {TextContent} textContent + * @param {HTMLElement} container + * @param {PageViewport} viewport + * @param {Array} textDivs + * @param {boolean} enhanceTextSelection + * @private + */ + function TextLayerRenderTask(textContent, container, viewport, textDivs, + enhanceTextSelection) { + this._textContent = textContent; + this._container = container; + this._viewport = viewport; + this._textDivs = textDivs || []; + this._textDivProperties = new WeakMap(); + this._renderingDone = false; + this._canceled = false; + this._capability = createPromiseCapability(); + this._renderTimer = null; + this._bounds = []; + this._enhanceTextSelection = !!enhanceTextSelection; + } + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + + cancel: function TextLayer_cancel() { + this._canceled = true; + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + this._capability.reject('canceled'); + }, + + _render: function TextLayer_render(timeout) { + var textItems = this._textContent.items; + var textStyles = this._textContent.styles; + for (var i = 0, len = textItems.length; i < len; i++) { + appendText(this, textItems[i], textStyles); + } + + if (!timeout) { // Render right away + render(this); + } else { // Schedule + var self = this; + this._renderTimer = setTimeout(function() { + render(self); + self._renderTimer = null; + }, timeout); + } + }, + + expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { + if (!this._enhanceTextSelection || !this._renderingDone) { + return; + } + if (this._bounds !== null) { + expand(this); + this._bounds = null; + } + + for (var i = 0, ii = this._textDivs.length; i < ii; i++) { + var div = this._textDivs[i]; + var divProperties = this._textDivProperties.get(div); + + if (divProperties.isWhitespace) { + continue; + } + if (expandDivs) { + var transform = '', padding = ''; + + if (divProperties.scale !== 1) { + transform = 'scaleX(' + divProperties.scale + ')'; + } + if (divProperties.angle !== 0) { + transform = 'rotate(' + divProperties.angle + 'deg) ' + transform; + } + if (divProperties.paddingLeft !== 0) { + padding += ' padding-left: ' + + (divProperties.paddingLeft / divProperties.scale) + 'px;'; + transform += ' translateX(' + + (-divProperties.paddingLeft / divProperties.scale) + 'px)'; + } + if (divProperties.paddingTop !== 0) { + padding += ' padding-top: ' + divProperties.paddingTop + 'px;'; + transform += ' translateY(' + (-divProperties.paddingTop) + 'px)'; + } + if (divProperties.paddingRight !== 0) { + padding += ' padding-right: ' + + (divProperties.paddingRight / divProperties.scale) + 'px;'; + } + if (divProperties.paddingBottom !== 0) { + padding += ' padding-bottom: ' + + divProperties.paddingBottom + 'px;'; + } + + if (padding !== '') { + div.setAttribute('style', divProperties.style + padding); + } + if (transform !== '') { + CustomStyle.setProp('transform', div, transform); + } + } else { + div.style.padding = 0; + CustomStyle.setProp('transform', div, + divProperties.originalTransform || ''); + } + } + }, + }; + + /** + * Starts rendering of the text layer. + * + * @param {TextLayerRenderParameters} renderParameters + * @returns {TextLayerRenderTask} + */ + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask(renderParameters.textContent, + renderParameters.container, + renderParameters.viewport, + renderParameters.textDivs, + renderParameters.enhanceTextSelection); + task._render(renderParameters.timeout); + return task; + } + + return renderTextLayer; +})(); + +exports.renderTextLayer = renderTextLayer; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayWebGL = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils); + } +}(this, function (exports, sharedUtil, displayDOMUtils) { + +var shadow = sharedUtil.shadow; +var getDefaultSetting = displayDOMUtils.getDefaultSetting; + +var WebGLUtils = (function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error('Error during shader compilation: ' + errorMsg); + } + return shader; + } + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + function createProgram(gl, shaders) { + var program = gl.createProgram(); + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error('Error during program linking: ' + errorMsg); + } + return program; + } + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + + // Set the parameters so we can render any size image. + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + + // Upload the image into the texture. + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + + var currentGL, currentCanvas; + function generateGL() { + if (currentGL) { + return; + } + currentCanvas = document.createElement('canvas'); + currentGL = currentCanvas.getContext('webgl', + { premultipliedalpha: false }); + } + + var smaskVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } '; + + var smaskFragmentShaderCode = '\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } '; + + var smaskCache = null; + + function initSmaskGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop'); + cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype'); + + var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); + var texLayerLocation = gl.getUniformLocation(program, 'u_image'); + var texMaskLocation = gl.getUniformLocation(program, 'u_mask'); + + // provide texture coordinates for the rectangle. + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0.0, 0.0, + 1.0, 0.0, + 0.0, 1.0, + 0.0, 1.0, + 1.0, 0.0, + 1.0, 1.0]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + + smaskCache = cache; + } + + function composeSMask(layer, mask, properties) { + var width = layer.width, height = layer.height; + + if (!smaskCache) { + initSmaskGL(); + } + var cache = smaskCache,canvas = cache.canvas, gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], + properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + gl.uniform1i(cache.subtypeLocation, + properties.subtype === 'Luminosity' ? 1 : 0); + + // Create a textures + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + + + // Create a buffer and put a single clipspace rectangle in + // it (2 triangles) + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ + 0, 0, + width, 0, + 0, height, + 0, height, + width, 0, + width, height]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + // draw + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + + gl.drawArrays(gl.TRIANGLES, 0, 6); + + gl.flush(); + + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + + return canvas; + } + + var figuresVertexShaderCode = '\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } '; + + var figuresFragmentShaderCode = '\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } '; + + var figuresCache = null; + + function initFiguresGL() { + var canvas, gl; + + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + + // setup a GLSL program + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution'); + cache.scaleLocation = gl.getUniformLocation(program, 'u_scale'); + cache.offsetLocation = gl.getUniformLocation(program, 'u_offset'); + cache.positionLocation = gl.getAttribLocation(program, 'a_position'); + cache.colorLocation = gl.getAttribLocation(program, 'a_color'); + + figuresCache = cache; + } + + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + var cache = figuresCache, canvas = cache.canvas, gl = cache.gl; + + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + // count triangle points + var count = 0; + var i, ii, rows; + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case 'lattice': + rows = (figures[i].coords.length / figures[i].verticesPerRow) | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + case 'triangles': + count += figures[i].coords.length; + break; + } + } + // transfer data + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, colorsMap = context.colors; + var pIndex = 0, cIndex = 0; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + switch (figure.type) { + case 'lattice': + var cols = figure.verticesPerRow; + rows = (ps.length / cols) | 0; + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + break; + case 'triangles': + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + break; + } + } + + // draw + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, + backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + gl.clear(gl.COLOR_BUFFER_BIT); + + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, + 0, 0); + + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + + gl.drawArrays(gl.TRIANGLES, 0, count); + + gl.flush(); + + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + + return canvas; + } + + function cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + smaskCache = null; + figuresCache = null; + } + + return { + get isEnabled() { + if (getDefaultSetting('disableWebGL')) { + return false; + } + var enabled = false; + try { + generateGL(); + enabled = !!currentGL; + } catch (e) { } + return shadow(this, 'isEnabled', enabled); + }, + composeSMask: composeSMask, + drawFigures: drawFigures, + clear: cleanup + }; +})(); + +exports.WebGLUtils = WebGLUtils; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayPatternHelper = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayWebGL) { + +var Util = sharedUtil.Util; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var error = sharedUtil.error; +var WebGLUtils = displayWebGL.WebGLUtils; + +var ShadingIRs = {}; + +ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var colorStops = raw[2]; + var p0 = raw[3]; + var p1 = raw[4]; + var r0 = raw[5]; + var r1 = raw[6]; + return { + type: 'Pattern', + getPattern: function RadialAxial_getPattern(ctx) { + var grad; + if (type === 'axial') { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === 'radial') { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + return grad; + } + }; + } +}; + +var createMeshCanvas = (function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + // Very basic Gouraud-shaded triangle rasterization algorithm. + var coords = context.coords, colors = context.colors; + var bytes = data.data, rowSize = data.width * 4; + var tmp; + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; p2 = p3; p3 = tmp; tmp = c2; c2 = c3; c3 = tmp; + } + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; p1 = p2; p2 = tmp; tmp = c1; c1 = c2; c2 = tmp; + } + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + if (y1 >= y3) { + return; + } + var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2]; + var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2]; + var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2]; + + var minY = Math.round(y1), maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + var k; + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2); + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3); + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3); + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + for (var x = x1_; x <= x2_; x++) { + k = (xa - x) / (xa - xb); + k = k < 0 ? 0 : k > 1 ? 1 : k; + bytes[j++] = (car - (car - cbr) * k) | 0; + bytes[j++] = (cag - (cag - cbg) * k) | 0; + bytes[j++] = (cab - (cab - cbb) * k) | 0; + bytes[j++] = 255; + } + } + } + + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + switch (figure.type) { + case 'lattice': + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, + ps[q], ps[q + 1], ps[q + verticesPerRow], + cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, + ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], + cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + break; + case 'triangles': + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, + ps[i], ps[i + 1], ps[i + 2], + cs[i], cs[i + 1], cs[i + 2]); + } + break; + default: + error('illigal figure'); + break; + } + } + + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, + backgroundColor, cachedCanvases) { + // we will increase scale on some weird factor to let antialiasing take + // care of "rough" edges + var EXPECTED_SCALE = 1.1; + // MAX_PATTERN_SIZE is used to avoid OOM situation. + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + // We need to keep transparent border around our pattern for fill(): + // createPattern with 'no-repeat' will bleed edges across entire area. + var BORDER_SIZE = 2; + + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * + EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + + var context = { + coords: coords, + colors: colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + + var paddedWidth = width + BORDER_SIZE * 2; + var paddedHeight = height + BORDER_SIZE * 2; + + var canvas, tmpCanvas, i, ii; + if (WebGLUtils.isEnabled) { + canvas = WebGLUtils.drawFigures(width, height, backgroundColor, + figures, context); + + // https://bugzilla.mozilla.org/show_bug.cgi?id=972126 + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, + false); + tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, + false); + var tmpCtx = tmpCanvas.context; + + var data = tmpCtx.createImageData(width, height); + if (backgroundColor) { + var bytes = data.data; + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } + + return {canvas: canvas, + offsetX: offsetX - BORDER_SIZE * scaleX, + offsetY: offsetY - BORDER_SIZE * scaleY, + scaleX: scaleX, scaleY: scaleY}; + } + return createMeshCanvas; +})(); + +ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + //var type = raw[1]; + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + //var bbox = raw[7]; + var background = raw[8]; + return { + type: 'Pattern', + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + var scale; + if (shadingFill) { + scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + // Obtain scale from matrix and current transformation matrix. + scale = Util.singularValueDecompose2dScale(owner.baseTransform); + if (matrix) { + var matrixScale = Util.singularValueDecompose2dScale(matrix); + scale = [scale[0] * matrixScale[0], + scale[1] * matrixScale[1]]; + } + } + + + // Rasterizing on the main thread since sending/queue large canvases + // might cause OOM. + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, + colors, figures, shadingFill ? null : background, + owner.cachedCanvases); + + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + + ctx.translate(temporaryPatternCanvas.offsetX, + temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, + temporaryPatternCanvas.scaleY); + + return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat'); + } + }; + } +}; + +ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: 'Pattern', + getPattern: function Dummy_fromIR_getPattern() { + return 'hotpink'; + } + }; + } +}; + +function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + if (!shadingIR) { + error('Unknown IR type: ' + raw[0]); + } + return shadingIR.fromIR(raw); +} + +var TilingPattern = (function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + + var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough + + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = 'Pattern'; + this.ctx = ctx; + } + + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + + info('TilingType: ' + tilingType); + + var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3]; + + var topLeft = [x0, y0]; + // we want the canvas to be as large as the step size + var botRight = [x0 + xstep, y0 + ystep]; + + var width = botRight[0] - topLeft[0]; + var height = botRight[1] - topLeft[1]; + + // Obtain scale from matrix and current transformation matrix. + var matrixScale = Util.singularValueDecompose2dScale(this.matrix); + var curMatrixScale = Util.singularValueDecompose2dScale( + this.baseTransform); + var combinedScale = [matrixScale[0] * curMatrixScale[0], + matrixScale[1] * curMatrixScale[1]]; + + // MAX_PATTERN_SIZE is used to avoid OOM situation. + // Use width and height values that are as close as possible to the end + // result when the pattern is used. Too low value makes the pattern look + // blurry. Too large value makes it look too crispy. + width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), + MAX_PATTERN_SIZE); + + height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), + MAX_PATTERN_SIZE); + + var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', + width, height, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + + this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color); + + this.setScale(width, height, xstep, ystep); + this.transformToScale(graphics); + + // transform coordinates to pattern space + var tmpTranslate = [1, 0, 0, 1, -topLeft[0], -topLeft[1]]; + graphics.transform.apply(graphics, tmpTranslate); + + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + + graphics.executeOperatorList(operatorList); + return tmpCanvas.canvas; + }, + + setScale: function TilingPattern_setScale(width, height, xstep, ystep) { + this.scale = [width / xstep, height / ystep]; + }, + + transformToScale: function TilingPattern_transformToScale(graphics) { + var scale = this.scale; + var tmpScale = [scale[0], 0, 0, scale[1], 0, 0]; + graphics.transform.apply(graphics, tmpScale); + }, + + scaleToContext: function TilingPattern_scaleToContext() { + var scale = this.scale; + this.ctx.scale(1 / scale[0], 1 / scale[1]); + }, + + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (bbox && isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + + setFillAndStrokeStyleToContext: + function setFillAndStrokeStyleToContext(context, paintType, color) { + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + break; + case PaintType.UNCOLORED: + var cssColor = Util.makeCssRgb(color[0], color[1], color[2]); + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + break; + default: + error('Unsupported paint type: ' + paintType); + } + }, + + getPattern: function TilingPattern_getPattern(ctx, owner) { + var temporaryPatternCanvas = this.createPatternCanvas(owner); + + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + this.scaleToContext(); + + return ctx.createPattern(temporaryPatternCanvas, 'repeat'); + } + }; + + return TilingPattern; +})(); + +exports.getShadingPatternFromIR = getShadingPatternFromIR; +exports.TilingPattern = TilingPattern; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayCanvas = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, + root.pdfjsDisplayWebGL); + } +}(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, + displayWebGL) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var TextRenderingMode = sharedUtil.TextRenderingMode; +var Uint32ArrayView = sharedUtil.Uint32ArrayView; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var info = sharedUtil.info; +var isNum = sharedUtil.isNum; +var isArray = sharedUtil.isArray; +var isLittleEndian = sharedUtil.isLittleEndian; +var error = sharedUtil.error; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var TilingPattern = displayPatternHelper.TilingPattern; +var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR; +var WebGLUtils = displayWebGL.WebGLUtils; +var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays; + +// contexts store most of the state we need natively. +// However, PDF needs a bit more state, which we store here. + +// Minimal font size that would be used during canvas fillText operations. +var MIN_FONT_SIZE = 16; +// Maximum font size that would be used during canvas fillText operations. +var MAX_FONT_SIZE = 100; +var MAX_GROUP_SIZE = 4096; + +// Heuristic value used when enforcing minimum line widths. +var MIN_WIDTH_FACTOR = 0.65; + +var COMPILE_TYPE3_GLYPHS = true; +var MAX_SIZE_TO_COMPILE = 1000; + +var FULL_CHUNK_HEIGHT = 16; + +var HasCanvasTypedArraysCached = { + get value() { + return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays()); + } +}; + +var IsLittleEndianCached = { + get value() { + return shadow(IsLittleEndianCached, 'value', isLittleEndian()); + } +}; + +function createScratchCanvas(width, height) { + var canvas = document.createElement('canvas'); + canvas.width = width; + canvas.height = height; + return canvas; +} + +function addContextCurrentTransform(ctx) { + // If the context doesn't expose a `mozCurrentTransform`, add a JS based one. + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + + ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; + ctx._transformStack = []; + + Object.defineProperty(ctx, 'mozCurrentTransform', { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + + Object.defineProperty(ctx, 'mozCurrentTransformInverse', { + get: function getCurrentTransformInverse() { + // Calculation done using WolframAlpha: + // http://www.wolframalpha.com/input/? + // i=Inverse+{{a%2C+c%2C+e}%2C+{b%2C+d%2C+f}%2C+{0%2C+0%2C+1}} + + var m = this._transformMatrix; + var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5]; + + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + + return [ + d / ad_bc, + b / bc_ad, + c / bc_ad, + a / ad_bc, + (d * e - c * f) / bc_ad, + (b * e - a * f) / ad_bc + ]; + } + }); + + ctx.save = function ctxSave() { + var old = this._transformMatrix; + this._transformStack.push(old); + this._transformMatrix = old.slice(0, 6); + + this._originalSave(); + }; + + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + if (prev) { + this._transformMatrix = prev; + this._originalRestore(); + } + }; + + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + + this._originalTranslate(x, y); + }; + + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + + this._originalScale(x, y); + }; + + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * a + m[2] * b, + m[1] * a + m[3] * b, + m[0] * c + m[2] * d, + m[1] * c + m[3] * d, + m[0] * e + m[2] * f + m[4], + m[1] * e + m[3] * f + m[5] + ]; + + ctx._originalTransform(a, b, c, d, e, f); + }; + + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [a, b, c, d, e, f]; + + ctx._originalSetTransform(a, b, c, d, e, f); + }; + + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + + var m = this._transformMatrix; + this._transformMatrix = [ + m[0] * cosValue + m[2] * sinValue, + m[1] * cosValue + m[3] * sinValue, + m[0] * (-sinValue) + m[2] * cosValue, + m[1] * (-sinValue) + m[3] * cosValue, + m[4], + m[5] + ]; + + this._originalRotate(angle); + }; + } +} + +var CachedCanvases = (function CachedCanvasesClosure() { + function CachedCanvases() { + this.cache = Object.create(null); + } + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, + trackTransform) { + var canvasEntry; + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + canvasEntry.canvas.width = width; + canvasEntry.canvas.height = height; + // reset canvas transform for emulated mozCurrentTransform, if needed + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + var canvas = createScratchCanvas(width, height); + var ctx = canvas.getContext('2d'); + if (trackTransform) { + addContextCurrentTransform(ctx); + } + this.cache[id] = canvasEntry = {canvas: canvas, context: ctx}; + } + return canvasEntry; + }, + clear: function () { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + // Zeroing the width and height causes Firefox to release graphics + // resources immediately, which can greatly reduce memory consumption. + canvasEntry.canvas.width = 0; + canvasEntry.canvas.height = 0; + delete this.cache[id]; + } + } + }; + return CachedCanvases; +})(); + +function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + + var width = imgData.width, height = imgData.height; + var i, j, j0, width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = + new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); + + // decodes bit-packed mask data + var lineSize = (width + 7) & ~7, data0 = imgData.data; + var data = new Uint8Array(lineSize * height), pos = 0, ii; + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, elem = data0[i]; + while (mask > 0) { + data[pos++] = (elem & mask) ? 0 : 255; + mask >>= 1; + } + } + + // finding iteresting points: every point is located between mask pixels, + // so there will be points of the (width + 1)x(height + 1) grid. Every point + // will have flags assigned based on neighboring mask pixels: + // 4 | 8 + // --P-- + // 2 | 1 + // We are interested only in points with the flags: + // - outside corners: 1, 2, 4, 8; + // - inside corners: 7, 11, 13, 14; + // - and, intersections: 5, 10. + var count = 0; + pos = 0; + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + // 'sum' is the position of the current pixel configuration in the 'TYPES' + // array (in order 8-1-2-4, so we can use '>>2' to shift the column). + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + + (data[pos - lineSize + 1] ? 8 : 0); + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + pos++; + } + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + + pos = lineSize * (height - 1); + j0 = i * width1; + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + pos++; + } + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + + // building outlines + var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); + var outlines = []; + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + while (p < end && !points[p]) { + p++; + } + if (p === end) { + continue; + } + var coords = [p % width1, i]; + + var type = points[p], p0 = p, pp; + do { + var step = steps[type]; + do { + p += step; + } while (!points[p]); + + pp = points[p]; + if (pp !== 5 && pp !== 10) { + // set new direction + type = pp; + // delete mark + points[p] = 0; + } else { // type is 5 or 10, ie, a crossing + // set new direction + type = pp & ((0x33 * type) >> 4); + // set new type for "future hit" + points[p] &= (type >> 2 | type << 2); + } + + coords.push(p % width1); + coords.push((p / width1) | 0); + --count; + } while (p0 !== p); + outlines.push(coords); + --i; + } + + var drawOutline = function(c) { + c.save(); + // the path shall be painted in [0..1]x[0..1] space + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j+1]); + } + } + c.fill(); + c.beginPath(); + c.restore(); + }; + + return drawOutline; +} + +var CanvasExtraState = (function CanvasExtraStateClosure() { + function CanvasExtraState(old) { + // Are soft masks and alpha values shapes or opacities? + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.leading = 0; + // Current point (in user coordinates) + this.x = 0; + this.y = 0; + // Start of text line (in text coordinates) + this.lineX = 0; + this.lineY = 0; + // Character and word spacing + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = TextRenderingMode.FILL; + this.textRise = 0; + // Default fore and background colors + this.fillColor = '#000000'; + this.strokeColor = '#000000'; + this.patternFill = false; + // Note: fill alpha applies to all non-stroking operations + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; + this.resumeSMaskCtx = null; // nonclonable field (see the save method below) + + this.old = old; + } + + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; +})(); + +var CanvasGraphics = (function CanvasGraphicsClosure() { + // Defines the time the executeOperatorList is going to be executing + // before it stops and shedules a continue of execution. + var EXECUTION_TIME = 15; + // Defines the number of steps before checking the execution time + var EXECUTION_STEPS = 10; + + function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + // Patterns are painted relative to the initial page/form transform, see pdf + // spec 8.7.2 NOTE 1. + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(); + if (canvasCtx) { + // NOTE: if mozCurrentTransform is polyfilled, then the current state of + // the transformation must already be set in canvasCtx._transformMatrix. + addContextCurrentTransform(canvasCtx); + } + this.cachedGetSinglePixelWidth = null; + } + + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + + // Put the image data to the canvas in chunks, rather than putting the + // whole image at once. This saves JS memory, because the ImageData object + // is smaller. It also possibly saves C++ memory within the implementation + // of putImageData(). (E.g. in Firefox we make two short-lived copies of + // the data passed to putImageData()). |n| shouldn't be too small, however, + // because too many putImageData() calls will slow things down. + // + // Note: as written, if the last chunk is partial, the putImageData() call + // will (conceptually) put pixels past the bounds of the canvas. But + // that's ok; any such pixels are ignored. + + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + + // There are multiple forms in which the pixel data can be passed, and + // imgData.kind tells us which one this is. + if (imgData.kind === ImageKind.GRAYSCALE_1BPP) { + // Grayscale, 1 bit per pixel (i.e. black-and-white). + var srcLength = src.byteLength; + var dest32 = HasCanvasTypedArraysCached.value ? + new Uint32Array(dest.buffer) : new Uint32ArrayView(dest); + var dest32DataLength = dest32.length; + var fullSrcDiff = (width + 7) >> 3; + var white = 0xFFFFFFFF; + var black = (IsLittleEndianCached.value || + !HasCanvasTypedArraysCached.value) ? 0xFF000000 : 0x000000FF; + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = (srcDiff > fullSrcDiff) ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = (srcByte & 128) ? white : black; + dest32[destPos++] = (srcByte & 64) ? white : black; + dest32[destPos++] = (srcByte & 32) ? white : black; + dest32[destPos++] = (srcByte & 16) ? white : black; + dest32[destPos++] = (srcByte & 8) ? white : black; + dest32[destPos++] = (srcByte & 4) ? white : black; + dest32[destPos++] = (srcByte & 2) ? white : black; + dest32[destPos++] = (srcByte & 1) ? white : black; + } + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + + dest32[destPos++] = (srcByte & mask) ? white : black; + mask >>= 1; + } + } + // We ran out of input. Make all remaining pixels transparent. + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === ImageKind.RGBA_32BPP) { + // RGBA, 32-bits per pixel. + + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + + } else if (imgData.kind === ImageKind.RGB_24BPP) { + // RGB, 24-bits per pixel. + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + + destPos = 0; + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + error('bad image kind: ' + imgData.kind); + } + } + + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = + (i < fullChunks) ? FULL_CHUNK_HEIGHT : partialChunkHeight; + + // Expand the mask so it can be used by the canvas. Any required + // inversion has already been handled. + var destPos = 3; // alpha component offset + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + dest[destPos] = (elem & mask) ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + + function copyCtxState(sourceCtx, destCtx) { + var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', + 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', + 'globalCompositeOperation', 'font']; + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } + } + + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = (bytes[i - 3] * alpha + r0 * alpha_) >> 8; + bytes[i - 2] = (bytes[i - 2] * alpha + g0 * alpha_) >> 8; + bytes[i - 1] = (bytes[i - 1] * alpha + b0 * alpha_) >> 8; + } + } + } + + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = (layerData[i] * alpha * scale) | 0; + } + } + + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + for (var i = 3; i < length; i += 4) { + var y = (maskData[i - 3] * 77) + // * 0.3 / 255 * 0x10000 + (maskData[i - 2] * 152) + // * 0.59 .... + (maskData[i - 1] * 28); // * 0.11 .... + layerData[i] = transferMap ? + (layerData[i] * transferMap[y >> 8]) >> 8 : + (layerData[i] * y) >> 16; + } + } + + function genericComposeSMask(maskCtx, layerCtx, width, height, + subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + + var composeFn; + if (subtype === 'Luminosity') { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + + // processing image in chunks to save memory + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + composeFn(maskData.data, layerData.data, transferMap); + + maskCtx.putImageData(layerData, 0, row); + } + } + + function composeSMask(ctx, smask, layerCtx) { + var mask = smask.canvas; + var maskCtx = smask.context; + + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, + smask.offsetX, smask.offsetY); + + var backdrop = smask.backdrop || null; + if (!smask.transferMap && WebGLUtils.isEnabled) { + var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, + {subtype: smask.subtype, backdrop: backdrop}); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, + smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + + var LINE_CAP_STYLES = ['butt', 'round', 'square']; + var LINE_JOIN_STYLES = ['miter', 'round', 'bevel']; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + + CanvasGraphics.prototype = { + + beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, + transparency) { + // For pdfs that use blend modes we have to clear the canvas else certain + // blend modes can look wrong since we'd be blending with a white + // backdrop. The problem with a transparent backdrop though is we then + // don't get sub pixel anti aliasing on text, creating temporary + // transparent canvas when we have blend modes. + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + + this.ctx.save(); + this.ctx.fillStyle = 'rgb(255, 255, 255)'; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas( + 'transparent', width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + // The transform can be applied before rendering, transferring it to + // the new canvas. + this.ctx.transform.apply(this.ctx, + this.compositeCtx.mozCurrentTransform); + } + + this.ctx.save(); + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + this.ctx.transform.apply(this.ctx, viewport.transform); + + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + + executeOperatorList: function CanvasGraphics_executeOperatorList( + operatorList, + executionStartIdx, continueCallback, + stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + + // Sometimes the OperatorList to execute is empty. + if (argsArrayLen === i) { + return i; + } + + var chunkOperations = (argsArrayLen - i > EXECUTION_STEPS && + typeof continueCallback === 'function'); + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + + fnId = fnArray[i]; + + if (fnId !== OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + var deps = argsArray[i]; + for (var n = 0, nn = deps.length; n < nn; n++) { + var depObjId = deps[n]; + var common = depObjId[0] === 'g' && depObjId[1] === '_'; + var objsPool = common ? commonObjs : objs; + + // If the promise isn't resolved yet, add the continueCallback + // to the promise and bail out. + if (!objsPool.isResolved(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + + i++; + + // If the entire operatorList was executed, stop as were done. + if (i === argsArrayLen) { + return i; + } + + // If the execution took longer then a certain amount of time and + // `continueCallback` is specified, interrupt the execution. + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + steps = 0; + } + + // If the operatorList isn't executed completely yet OR the execution + // time was short enough, do another execution round. + } + }, + + endDrawing: function CanvasGraphics_endDrawing() { + // Finishing all opened operations such as SMask group painting. + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + + this.ctx.restore(); + + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.save(); + this.ctx.setTransform(1, 0, 0, 1, 0, 0); // Avoid apply transform twice + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.ctx.restore(); + this.transparentCanvas = null; + } + + this.cachedCanvases.clear(); + WebGLUtils.clear(); + + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + + // Graphics state + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } + }, + setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) { + // Maybe if we one day fully support color spaces this will be important + // for now we can ignore. + // TODO set rendering intent? + }, + setFlatness: function CanvasGraphics_setFlatness(flatness) { + // There's no way to control this with canvas, but we can safely ignore. + // TODO set flatness? + }, + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case 'LW': + this.setLineWidth(value); + break; + case 'LC': + this.setLineCap(value); + break; + case 'LJ': + this.setLineJoin(value); + break; + case 'ML': + this.setMiterLimit(value); + break; + case 'D': + this.setDash(value[0], value[1]); + break; + case 'RI': + this.setRenderingIntent(value); + break; + case 'FL': + this.setFlatness(value); + break; + case 'Font': + this.setFont(value[0], value[1]); + break; + case 'CA': + this.current.strokeAlpha = state[1]; + break; + case 'ca': + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + case 'BM': + if (value && value.name && (value.name !== 'Normal')) { + var mode = value.name.replace(/([A-Z])/g, + function(c) { + return '-' + c.toLowerCase(); + } + ).substring(1); + this.ctx.globalCompositeOperation = mode; + if (this.ctx.globalCompositeOperation !== mode) { + warn('globalCompositeOperation "' + mode + + '" is not supported'); + } + } else { + this.ctx.globalCompositeOperation = 'source-over'; + } + break; + case 'SMask': + if (this.current.activeSMask) { + // If SMask is currrenly used, it needs to be suspended or + // finished. Suspend only makes sense when at least one save() + // was performed and state needs to be reverted on restore(). + if (this.stateStack.length > 0 && + (this.stateStack[this.stateStack.length - 1].activeSMask === + this.current.activeSMask)) { + this.suspendSMaskGroup(); + } else { + this.endSMaskGroup(); + } + } + this.current.activeSMask = value ? this.tempSMask : null; + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = 'smaskGroupAt' + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; + + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { + // Similar to endSMaskGroup, the intermediate canvas has to be composed + // and future ctx state restored. + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + this.ctx.save(); // save is needed since SMask will be resumed. + copyCtxState(groupCtx, this.ctx); + + // Saving state for resuming. + this.current.resumeSMaskCtx = groupCtx; + // Transform was changed in the SMask canvas, reflecting this change on + // this.ctx. + var deltaTransform = Util.transform( + this.current.activeSMask.startTransformInverse, + groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + + // SMask was composed, the results at the groupCtx can be cleared. + groupCtx.save(); + groupCtx.setTransform(1, 0, 0, 1, 0, 0); + groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); + groupCtx.restore(); + }, + resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { + // Resuming state saved by suspendSMaskGroup. We don't need to restore + // any groupCtx state since restore() command (the only caller) will do + // that for us. See also beginSMaskGroup. + var groupCtx = this.current.resumeSMaskCtx; + var currentCtx = this.ctx; + this.ctx = groupCtx; + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + + composeSMask(this.ctx, this.current.activeSMask, groupCtx); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + // Transform was changed in the SMask canvas, reflecting this change on + // this.ctx. + var deltaTransform = Util.transform( + this.current.activeSMask.startTransformInverse, + groupCtx.mozCurrentTransform); + this.ctx.transform.apply(this.ctx, deltaTransform); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.resumeSMaskCtx = null; + }, + restore: function CanvasGraphics_restore() { + // SMask was suspended, we just need to resume it. + if (this.current.resumeSMaskCtx) { + this.resumeSMaskGroup(); + } + // SMask has to be finished once there is no states that are using the + // same SMask. + if (this.current.activeSMask !== null && (this.stateStack.length === 0 || + this.stateStack[this.stateStack.length - 1].activeSMask !== + this.current.activeSMask)) { + this.endSMaskGroup(); + } + + if (this.stateStack.length !== 0) { + this.current = this.stateStack.pop(); + this.ctx.restore(); + + // Ensure that the clipping path is reset (fixes issue6413.pdf). + this.pendingClip = null; + + this.cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + + this.cachedGetSinglePixelWidth = null; + }, + + // Path + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, y = current.y; + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + if (width === 0) { + width = this.getSinglePixelWidth(); + } + if (height === 0) { + height = this.getSinglePixelWidth(); + } + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + case OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + case OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + case OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], + x, y); + j += 6; + break; + case OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], + args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + case OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + case OPS.closePath: + ctx.closePath(); + break; + } + } + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + // Prevent drawing too thin lines by enforcing a minimum line width. + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, + this.current.lineWidth); + // For stroke we want to temporarily change the global alpha to the + // stroking alpha. + ctx.globalAlpha = this.current.strokeAlpha; + if (strokeColor && strokeColor.hasOwnProperty('type') && + strokeColor.type === 'Pattern') { + // for patterns, we transform to pattern space, calculate + // the pattern, call stroke, and restore to user space + ctx.save(); + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.stroke(); + ctx.restore(); + } else { + ctx.stroke(); + } + if (consumePath) { + this.consumePath(); + } + // Restore the global alpha to the fill alpha + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== 'undefined' ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + + if (isPatternFill) { + ctx.save(); + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + + if (this.pendingEOFill) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.fill(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.fill('evenodd'); + } + this.pendingEOFill = false; + } else { + ctx.fill(); + } + + if (needRestore) { + ctx.restore(); + } + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + + // Clipping + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + + // Text + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + if (paths === undefined) { + ctx.beginPath(); + return; + } + + ctx.save(); + ctx.beginPath(); + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + + if (!fontObj) { + error('Can\'t find font for ' + fontRefName); + } + + current.fontMatrix = (fontObj.fontMatrix ? + fontObj.fontMatrix : FONT_IDENTITY_MATRIX); + + // A valid matrix needs all main diagonal elements to be non-zero + // This also ensures we bypass FF bugzilla bug #719844. + if (current.fontMatrix[0] === 0 || + current.fontMatrix[3] === 0) { + warn('Invalid font matrix for font ' + fontRefName); + } + + // The spec for Tf (setFont) says that 'size' specifies the font 'scale', + // and in some docs this can be negative (inverted x-y axes). + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + + this.current.font = fontObj; + this.current.fontSize = size; + + if (fontObj.isType3Font) { + return; // we don't need ctx.font for Type3 fonts + } + + var name = fontObj.loadedName || 'sans-serif'; + var bold = fontObj.black ? (fontObj.bold ? '900' : 'bold') : + (fontObj.bold ? 'bold' : 'normal'); + + var italic = fontObj.italic ? 'italic' : 'normal'; + var typeface = '"' + name + '", ' + fontObj.fallbackName; + + // Some font backends cannot handle fonts below certain size. + // Keeping the font at minimal size and using the fontSizeScale to change + // the current transformation matrix before the fillText/strokeText. + // See https://bugzilla.mozilla.org/show_bug.cgi?id=726227 + var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : + size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size; + this.current.fontSizeScale = size / browserFontSize; + + var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface; + this.ctx.font = rule; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [a, b, c, d, e, f]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + paintChar: function CanvasGraphics_paintChar(character, x, y) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & + TextRenderingMode.ADD_TO_PATH_FLAG); + + var addToPath; + if (font.disableFontFace || isAddToPathSet) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + + if (font.disableFontFace) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + ctx.restore(); + } else { + if (fillStrokeMode === TextRenderingMode.FILL || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x: x, + y: y, + fontSize: fontSize, + addToPath: addToPath + }); + } + }, + + get isFontSubpixelAAEnabled() { + // Checks if anti-aliasing is enabled when scaled text is painted. + // On Windows GDI scaled fonts looks bad. + var ctx = document.createElement('canvas').getContext('2d'); + ctx.scale(1.5, 1); + ctx.fillText('I', 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + return shadow(this, 'isFontSubpixelAAEnabled', enabled); + }, + + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + + var fontSize = current.fontSize; + if (fontSize === 0) { + return; + } + + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + + var simpleFillText = + current.textRenderingMode === TextRenderingMode.FILL && + !font.disableFontFace; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + + if (current.patternFill) { + // TODO: Some shading patterns are not applied correctly to text, + // e.g. issues 3988 and 5432, and ShowText-ShadingPattern.pdf. + ctx.fillStyle = current.fillColor.getPattern(ctx, this); + } + + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & + TextRenderingMode.FILL_STROKE_MASK; + if (fillStrokeMode === TextRenderingMode.STROKE || + fillStrokeMode === TextRenderingMode.FILL_STROKE) { + this.cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + + ctx.lineWidth = lineWidth; + + var x = 0, i; + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + if (isNum(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + + if (font.remeasure && width > 0) { + // Some standard fonts may not have the exact width: rescale per + // character if measured width is greater than expected glyph width + // and subpixel-aa is enabled, otherwise just center the glyph. + var measuredWidth = ctx.measureText(character).width * 1000 / + fontSize * fontSizeScale; + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * + fontSize / fontSizeScale; + } + } + + // Only attempt to draw the glyph if it is actually in the embedded font + // file or if there isn't a font file so the fallback font is shown. + if (glyph.isInFont || font.missingFile) { + if (simpleFillText && !accent) { + // common case + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY); + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY); + } + } + } + + var charWidth = width * widthAdvanceScale + spacing * fontDirection; + x += charWidth; + + if (restoreNeeded) { + ctx.restore(); + } + } + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + ctx.restore(); + }, + + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + // Type3 fonts - each glyph is a "mini-PDF" + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = + current.textRenderingMode === TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + + if (isTextInvisible || fontSize === 0) { + return; + } + this.cachedGetSinglePixelWidth = null; + + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + + ctx.scale(textHScale, fontDirection); + + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + if (isNum(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + if (!operatorList) { + warn('Type3 character \"' + glyph.operatorListId + + '\" is not available'); + continue; + } + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + + var transformed = Util.applyTransform([glyph.width, 0], fontMatrix); + width = transformed[0] * fontSize + spacing; + + ctx.translate(width, 0); + current.x += width * textHScale; + } + ctx.restore(); + this.processingType3 = null; + }, + + // Type3 fonts + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) { + // We can safely ignore this since the width should be the same + // as the width in the Widths array. + }, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, + yWidth, + llx, + lly, + urx, + ury) { + // TODO According to the spec we're also suppose to ignore any operators + // that set color or include images while processing this type3 font. + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + + // Color + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + if (IR[0] === 'TilingPattern') { + var color = IR[1]; + var baseTransform = this.baseTransform || + this.ctx.mozCurrentTransform.slice(); + var self = this; + var canvasGraphicsFactory = { + createCanvasGraphics: function (ctx) { + return new CanvasGraphics(ctx, self.commonObjs, self.objs); + } + }; + pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, + baseTransform); + } else { + pattern = getShadingPatternFromIR(IR); + } + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN(/*...*/) { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN(/*...*/) { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = Util.makeCssRgb(r, g, b); + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + + this.save(); + var pattern = getShadingPatternFromIR(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + + var inv = ctx.mozCurrentTransformInverse; + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + + var bl = Util.applyTransform([0, 0], inv); + var br = Util.applyTransform([0, height], inv); + var ul = Util.applyTransform([width, 0], inv); + var ur = Util.applyTransform([width, height], inv); + + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + // HACK to draw the gradient onto an infinite rectangle. + // PDF gradients are drawn across the entire image while + // Canvas only allows gradients to be drawn in a rectangle + // The following bug should allow us to remove this. + // https://bugzilla.mozilla.org/show_bug.cgi?id=664884 + + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + + this.restore(); + }, + + // Images + beginInlineImage: function CanvasGraphics_beginInlineImage() { + error('Should not call beginInlineImage'); + }, + beginImageData: function CanvasGraphics_beginImageData() { + error('Should not call beginImageData'); + }, + + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, + bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + + if (isArray(matrix) && 6 === matrix.length) { + this.transform.apply(this, matrix); + } + + this.baseTransform = this.ctx.mozCurrentTransform; + + if (isArray(bbox) && 4 === bbox.length) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + // TODO non-isolated groups - according to Rik at adobe non-isolated + // group results aren't usually that different and they even have tools + // that ignore this setting. Notes from Rik on implementing: + // - When you encounter an transparency group, create a new canvas with + // the dimensions of the bbox + // - copy the content from the previous canvas to the new canvas + // - draw as usual + // - remove the backdrop alpha: + // alphaNew = 1 - (1 - alpha)/(1 - alphaBackdrop) with 'alpha' the alpha + // value of your transparency group and 'alphaBackdrop' the alpha of the + // backdrop + // - remove background color: + // colorNew = color - alphaNew *colorBackdrop /(1 - alphaNew) + if (!group.isolated) { + info('TODO: Support non-isolated groups.'); + } + + // TODO knockout - supposedly possible with the clever use of compositing + // modes. + if (group.knockout) { + warn('Knockout groups not supported.'); + } + + var currentTransform = currentCtx.mozCurrentTransform; + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + assert(group.bbox, 'Bounding box is required.'); + + // Based on the current transform figure out how big the bounding box + // will actually be. + var bounds = Util.getAxialAlignedBoundingBox( + group.bbox, + currentCtx.mozCurrentTransform); + // Clip the bounding box to the current canvas. + var canvasBounds = [0, + 0, + currentCtx.canvas.width, + currentCtx.canvas.height]; + bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; + // Use ceil in case we're between sizes so we don't create canvas that is + // too small and make the canvas at least 1x1 pixels. + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, scaleY = 1; + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + + var cacheId = 'groupAt' + this.groupLevel; + if (group.smask) { + // Using two cache entries is case if masks are used one after another. + cacheId += '_smask_' + ((this.smaskCounter++) % 2); + } + var scratchCanvas = this.cachedCanvases.getCanvas( + cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + + // Since we created a new canvas that is just the size of the bounding box + // we have to translate the group ctx. + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + if (group.smask) { + // Saving state and cached mask to be used in setGState. + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX: offsetX, + offsetY: offsetY, + scaleX: scaleX, + scaleY: scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null, + startTransformInverse: null, // used during suspend operation + }); + } else { + // Setup the current ctx so when the group is popped we draw it at the + // right location. + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + // The transparency group inherits all off the current graphics state + // except the blend mode, soft mask, and alpha constants. + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([ + ['BM', 'Normal'], + ['ca', 1], + ['CA', 1] + ]); + this.groupStack.push(currentCtx); + this.groupLevel++; + + // Reseting mask state, masks will be applied on restore of the group. + this.current.activeSMask = null; + }, + + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + // Turn off image smoothing to avoid sub pixel interpolation which can + // look kind of blurry for some pdfs. + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + this.restore(); + }, + + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + this.current = new CanvasExtraState(); + + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, + matrix) { + this.save(); + + if (isArray(rect) && 4 === rect.length) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + var domImage = this.objs.get(objId); + if (!domImage) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.save(); + + var ctx = this.ctx; + // scale the image to the unit square + ctx.scale(1 / w, -1 / h); + + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, + 0, -h, w, h); + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId: objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + this.restore(); + }, + + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var glyph = this.processingType3; + + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = + compileType3Glyph({data: img.data, width: width, height: height}); + } else { + glyph.compiled = null; + } + } + + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, img); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + this.paintInlineImageXObject(maskCanvas.canvas); + }, + + paintImageMaskXObjectRepeat: + function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, + scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, imgData); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + var ctx = this.ctx; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageMaskXObjectGroup: + function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, height = image.height; + + var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', + width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + + putBinaryImageMask(maskCtx, image); + + maskCtx.globalCompositeOperation = 'source-in'; + + maskCtx.fillStyle = isPatternFill ? + fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + + maskCtx.restore(); + + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, + 0, -1, 1, 1); + ctx.restore(); + } + }, + + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + this.paintInlineImageXObject(imgData); + }, + + paintImageXObjectRepeat: + function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, + positions) { + var imgData = this.objs.get(objId); + if (!imgData) { + warn('Dependent image isn\'t ready yet'); + return; + } + + var width = imgData.width; + var height = imgData.height; + var map = []; + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({transform: [scaleX, 0, 0, scaleY, positions[i], + positions[i + 1]], x: 0, y: 0, w: width, h: height}); + } + this.paintInlineImageXObjectGroup(imgData, map); + }, + + paintInlineImageXObject: + function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + + this.save(); + // scale the image to the unit square + ctx.scale(1 / width, -1 / height); + + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + + var imgToPaint, tmpCanvas; + // instanceof HTMLElement does not work in jsdom node.js module + if (imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', + width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + + var paintWidth = width, paintHeight = height; + var tmpCanvasId = 'prescale1'; + // Vertial or horizontal scaling shall not be more than 2 to not loose the + // pixels during drawImage operation, painting on the temporary canvas(es) + // that are twice smaller in size + while ((widthScale > 2 && paintWidth > 1) || + (heightScale > 2 && paintHeight > 1)) { + var newWidth = paintWidth, newHeight = paintHeight; + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, + newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1'; + } + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, + 0, -height, width, height); + + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + this.restore(); + }, + + paintInlineImageXObjectGroup: + function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + + var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, + 0, -1, 1, 1); + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData: imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + ctx.restore(); + } + }, + + paintSolidColorImageMask: + function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + + paintXObject: function CanvasGraphics_paintXObject() { + warn('Unsupported \'paintXObject\' command.'); + }, + + // Marked content + + markPoint: function CanvasGraphics_markPoint(tag) { + // TODO Marked content. + }, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) { + // TODO Marked content. + }, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) { + // TODO Marked content. + }, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps( + tag, properties) { + // TODO Marked content. + }, + endMarkedContent: function CanvasGraphics_endMarkedContent() { + // TODO Marked content. + }, + + // Compatibility + + beginCompat: function CanvasGraphics_beginCompat() { + // TODO ignore undefined operators (should we do that anyway?) + }, + endCompat: function CanvasGraphics_endCompat() { + // TODO stop ignoring undefined operators + }, + + // Helper functions + + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + if (ctx.mozFillRule !== undefined) { + ctx.mozFillRule = 'evenodd'; + ctx.clip(); + ctx.mozFillRule = 'nonzero'; + } else { + ctx.clip('evenodd'); + } + } else { + ctx.clip(); + } + this.pendingClip = null; + } + ctx.beginPath(); + }, + getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) { + if (this.cachedGetSinglePixelWidth === null) { + // NOTE: The `save` and `restore` commands used below is a workaround + // that is necessary in order to prevent `mozCurrentTransformInverse` + // from intermittently returning incorrect values in Firefox, see: + // https://github.com/mozilla/pdf.js/issues/7188. + this.ctx.save(); + var inverse = this.ctx.mozCurrentTransformInverse; + this.ctx.restore(); + // max of the current horizontal and vertical scale + this.cachedGetSinglePixelWidth = Math.sqrt(Math.max( + (inverse[0] * inverse[0] + inverse[1] * inverse[1]), + (inverse[2] * inverse[2] + inverse[3] * inverse[3]))); + } + return this.cachedGetSinglePixelWidth; + }, + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [ + transform[0] * x + transform[2] * y + transform[4], + transform[1] * x + transform[3] * y + transform[5] + ]; + } + }; + + for (var op in OPS) { + CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op]; + } + + return CanvasGraphics; +})(); + +exports.CanvasGraphics = CanvasGraphics; +exports.createScratchCanvas = createScratchCanvas; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayAPI = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, + root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils); + } +}(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, + displayMetadata, displayDOMUtils, amdRequire) { + +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MessageHandler = sharedUtil.MessageHandler; +var MissingPDFException = sharedUtil.MissingPDFException; +var PageViewport = sharedUtil.PageViewport; +var PasswordResponses = sharedUtil.PasswordResponses; +var PasswordException = sharedUtil.PasswordException; +var StatTimer = sharedUtil.StatTimer; +var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; +var UnknownErrorException = sharedUtil.UnknownErrorException; +var Util = sharedUtil.Util; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var deprecated = sharedUtil.deprecated; +var getVerbosityLevel = sharedUtil.getVerbosityLevel; +var info = sharedUtil.info; +var isInt = sharedUtil.isInt; +var isArray = sharedUtil.isArray; +var isArrayBuffer = sharedUtil.isArrayBuffer; +var isSameOrigin = sharedUtil.isSameOrigin; +var loadJpegStream = sharedUtil.loadJpegStream; +var stringToBytes = sharedUtil.stringToBytes; +var globalScope = sharedUtil.globalScope; +var warn = sharedUtil.warn; +var FontFaceObject = displayFontLoader.FontFaceObject; +var FontLoader = displayFontLoader.FontLoader; +var CanvasGraphics = displayCanvas.CanvasGraphics; +var createScratchCanvas = displayCanvas.createScratchCanvas; +var Metadata = displayMetadata.Metadata; +var getDefaultSetting = displayDOMUtils.getDefaultSetting; + +var DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536 + +var isWorkerDisabled = false; +var workerSrc; +var isPostMessageTransfersDisabled = false; + + +var useRequireEnsure = false; +if (typeof window === 'undefined') { + // node.js - disable worker and set require.ensure. + isWorkerDisabled = true; + if (typeof require.ensure === 'undefined') { + require.ensure = require('node-ensure'); + } + useRequireEnsure = true; +} +if (typeof __webpack_require__ !== 'undefined') { + useRequireEnsure = true; +} +if (typeof requirejs !== 'undefined' && requirejs.toUrl) { + workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js'); +} +var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load; +var fakeWorkerFilesLoader = useRequireEnsure ? (function (callback) { + require.ensure([], function () { + var worker = require('./pdf.worker.js'); + callback(worker.WorkerMessageHandler); + }); +}) : dynamicLoaderSupported ? (function (callback) { + requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) { + callback(worker.WorkerMessageHandler); + }); +}) : null; + + +/** + * Document initialization / loading parameters object. + * + * @typedef {Object} DocumentInitParameters + * @property {string} url - The URL of the PDF. + * @property {TypedArray|Array|string} data - Binary PDF data. Use typed arrays + * (Uint8Array) to improve the memory usage. If PDF data is BASE64-encoded, + * use atob() to convert it to a binary string first. + * @property {Object} httpHeaders - Basic authentication headers. + * @property {boolean} withCredentials - Indicates whether or not cross-site + * Access-Control requests should be made using credentials such as cookies + * or authorization headers. The default is false. + * @property {string} password - For decrypting password-protected PDFs. + * @property {TypedArray} initialData - A typed array with the first portion or + * all of the pdf data. Used by the extension since some data is already + * loaded before the switch to range requests. + * @property {number} length - The PDF file length. It's used for progress + * reports and range requests operations. + * @property {PDFDataRangeTransport} range + * @property {number} rangeChunkSize - Optional parameter to specify + * maximum number of bytes fetched per range request. The default value is + * 2^16 = 65536. + * @property {PDFWorker} worker - The worker that will be used for the loading + * and parsing of the PDF data. + */ + +/** + * @typedef {Object} PDFDocumentStats + * @property {Array} streamTypes - Used stream types in the document (an item + * is set to true if specific stream ID was used in the document). + * @property {Array} fontTypes - Used font type in the document (an item is set + * to true if specific font ID was used in the document). + */ + +/** + * This is the main entry point for loading a PDF and interacting with it. + * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) + * is used, which means it must follow the same origin rules that any XHR does + * e.g. No cross domain requests without CORS. + * + * @param {string|TypedArray|DocumentInitParameters|PDFDataRangeTransport} src + * Can be a url to where a PDF is located, a typed array (Uint8Array) + * already populated with data or parameter object. + * + * @param {PDFDataRangeTransport} pdfDataRangeTransport (deprecated) It is used + * if you want to manually serve range requests for data in the PDF. + * + * @param {function} passwordCallback (deprecated) It is used to request a + * password if wrong or no password was provided. The callback receives two + * parameters: function that needs to be called with new password and reason + * (see {PasswordResponses}). + * + * @param {function} progressCallback (deprecated) It is used to be able to + * monitor the loading progress of the PDF file (necessary to implement e.g. + * a loading bar). The callback receives an {Object} with the properties: + * {number} loaded and {number} total. + * + * @return {PDFDocumentLoadingTask} + */ +function getDocument(src, pdfDataRangeTransport, + passwordCallback, progressCallback) { + var task = new PDFDocumentLoadingTask(); + + // Support of the obsolete arguments (for compatibility with API v1.0) + if (arguments.length > 1) { + deprecated('getDocument is called with pdfDataRangeTransport, ' + + 'passwordCallback or progressCallback argument'); + } + if (pdfDataRangeTransport) { + if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) { + // Not a PDFDataRangeTransport instance, trying to add missing properties. + pdfDataRangeTransport = Object.create(pdfDataRangeTransport); + pdfDataRangeTransport.length = src.length; + pdfDataRangeTransport.initialData = src.initialData; + if (!pdfDataRangeTransport.abort) { + pdfDataRangeTransport.abort = function () {}; + } + } + src = Object.create(src); + src.range = pdfDataRangeTransport; + } + task.onPassword = passwordCallback || null; + task.onProgress = progressCallback || null; + + var source; + if (typeof src === 'string') { + source = { url: src }; + } else if (isArrayBuffer(src)) { + source = { data: src }; + } else if (src instanceof PDFDataRangeTransport) { + source = { range: src }; + } else { + if (typeof src !== 'object') { + error('Invalid parameter in getDocument, need either Uint8Array, ' + + 'string or a parameter object'); + } + if (!src.url && !src.data && !src.range) { + error('Invalid parameter object: need either .data, .range or .url'); + } + + source = src; + } + + var params = {}; + var rangeTransport = null; + var worker = null; + for (var key in source) { + if (key === 'url' && typeof window !== 'undefined') { + // The full path is required in the 'url' field. + params[key] = new URL(source[key], window.location).href; + continue; + } else if (key === 'range') { + rangeTransport = source[key]; + continue; + } else if (key === 'worker') { + worker = source[key]; + continue; + } else if (key === 'data' && !(source[key] instanceof Uint8Array)) { + // Converting string or array-like data to Uint8Array. + var pdfBytes = source[key]; + if (typeof pdfBytes === 'string') { + params[key] = stringToBytes(pdfBytes); + } else if (typeof pdfBytes === 'object' && pdfBytes !== null && + !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if (isArrayBuffer(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + error('Invalid PDF binary data: either typed array, string or ' + + 'array-like object is expected in the data property.'); + } + continue; + } + params[key] = source[key]; + } + + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + + if (!worker) { + // Worker was not provided -- creating and owning our own. + worker = new PDFWorker(); + task._worker = worker; + } + var docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + return _fetchDocument(worker, params, rangeTransport, docId).then( + function (workerId) { + if (task.destroyed) { + throw new Error('Loading aborted'); + } + var messageHandler = new MessageHandler(docId, workerId, worker.port); + var transport = new WorkerTransport(messageHandler, task, rangeTransport); + task._transport = transport; + messageHandler.send('Ready', null); + }); + }).catch(task._capability.reject); + + return task; +} + +/** + * Starts fetching of specified PDF document/data. + * @param {PDFWorker} worker + * @param {Object} source + * @param {PDFDataRangeTransport} pdfDataRangeTransport + * @param {string} docId Unique document id, used as MessageHandler id. + * @returns {Promise} The promise, which is resolved when worker id of + * MessageHandler is known. + * @private + */ +function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + + source.disableAutoFetch = getDefaultSetting('disableAutoFetch'); + source.disableStream = getDefaultSetting('disableStream'); + source.chunkedViewerLoading = !!pdfDataRangeTransport; + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + } + return worker.messageHandler.sendWithPromise('GetDocRequest', { + docId: docId, + source: source, + disableRange: getDefaultSetting('disableRange'), + maxImageSize: getDefaultSetting('maxImageSize'), + cMapUrl: getDefaultSetting('cMapUrl'), + cMapPacked: getDefaultSetting('cMapPacked'), + disableFontFace: getDefaultSetting('disableFontFace'), + disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'), + postMessageTransfers: getDefaultSetting('postMessageTransfers') && + !isPostMessageTransfersDisabled, + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error('Worker was destroyed'); + } + return workerId; + }); +} + +/** + * PDF document loading operation. + * @class + * @alias PDFDocumentLoadingTask + */ +var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() { + var nextDocumentId = 0; + + /** @constructs PDFDocumentLoadingTask */ + function PDFDocumentLoadingTask() { + this._capability = createPromiseCapability(); + this._transport = null; + this._worker = null; + + /** + * Unique document loading task id -- used in MessageHandlers. + * @type {string} + */ + this.docId = 'd' + (nextDocumentId++); + + /** + * Shows if loading task is destroyed. + * @type {boolean} + */ + this.destroyed = false; + + /** + * Callback to request a password if wrong or no password was provided. + * The callback receives two parameters: function that needs to be called + * with new password and reason (see {PasswordResponses}). + */ + this.onPassword = null; + + /** + * Callback to be able to monitor the loading progress of the PDF file + * (necessary to implement e.g. a loading bar). The callback receives + * an {Object} with the properties: {number} loaded and {number} total. + */ + this.onProgress = null; + + /** + * Callback to when unsupported feature is used. The callback receives + * an {UNSUPPORTED_FEATURES} argument. + */ + this.onUnsupportedFeature = null; + } + + PDFDocumentLoadingTask.prototype = + /** @lends PDFDocumentLoadingTask.prototype */ { + /** + * @return {Promise} + */ + get promise() { + return this._capability.promise; + }, + + /** + * Aborts all network requests and destroys worker. + * @return {Promise} A promise that is resolved after destruction activity + * is completed. + */ + destroy: function () { + this.destroyed = true; + + var transportDestroyed = !this._transport ? Promise.resolve() : + this._transport.destroy(); + return transportDestroyed.then(function () { + this._transport = null; + if (this._worker) { + this._worker.destroy(); + this._worker = null; + } + }.bind(this)); + }, + + /** + * Registers callbacks to indicate the document loading completion. + * + * @param {function} onFulfilled The callback for the loading completion. + * @param {function} onRejected The callback for the loading failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return PDFDocumentLoadingTask; +})(); + +/** + * Abstract class to support range requests file loading. + * @class + * @alias PDFDataRangeTransport + * @param {number} length + * @param {Uint8Array} initialData + */ +var PDFDataRangeTransport = (function pdfDataRangeTransportClosure() { + function PDFDataRangeTransport(length, initialData) { + this.length = length; + this.initialData = initialData; + + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._readyCapability = createPromiseCapability(); + } + PDFDataRangeTransport.prototype = + /** @lends PDFDataRangeTransport.prototype */ { + addRangeListener: + function PDFDataRangeTransport_addRangeListener(listener) { + this._rangeListeners.push(listener); + }, + + addProgressListener: + function PDFDataRangeTransport_addProgressListener(listener) { + this._progressListeners.push(listener); + }, + + addProgressiveReadListener: + function PDFDataRangeTransport_addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + }, + + onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) { + var listeners = this._rangeListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](begin, chunk); + } + }, + + onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) { + this._readyCapability.promise.then(function () { + var listeners = this._progressListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](loaded); + } + }.bind(this)); + }, + + onDataProgressiveRead: + function PDFDataRangeTransport_onDataProgress(chunk) { + this._readyCapability.promise.then(function () { + var listeners = this._progressiveReadListeners; + for (var i = 0, n = listeners.length; i < n; ++i) { + listeners[i](chunk); + } + }.bind(this)); + }, + + transportReady: function PDFDataRangeTransport_transportReady() { + this._readyCapability.resolve(); + }, + + requestDataRange: + function PDFDataRangeTransport_requestDataRange(begin, end) { + throw new Error('Abstract method PDFDataRangeTransport.requestDataRange'); + }, + + abort: function PDFDataRangeTransport_abort() { + } + }; + return PDFDataRangeTransport; +})(); + +/** + * Proxy to a PDFDocument in the worker thread. Also, contains commonly used + * properties that can be read synchronously. + * @class + * @alias PDFDocumentProxy + */ +var PDFDocumentProxy = (function PDFDocumentProxyClosure() { + function PDFDocumentProxy(pdfInfo, transport, loadingTask) { + this.pdfInfo = pdfInfo; + this.transport = transport; + this.loadingTask = loadingTask; + } + PDFDocumentProxy.prototype = /** @lends PDFDocumentProxy.prototype */ { + /** + * @return {number} Total number of pages the PDF contains. + */ + get numPages() { + return this.pdfInfo.numPages; + }, + /** + * @return {string} A unique ID to identify a PDF. Not guaranteed to be + * unique. + */ + get fingerprint() { + return this.pdfInfo.fingerprint; + }, + /** + * @param {number} pageNumber The page number to get. The first page is 1. + * @return {Promise} A promise that is resolved with a {@link PDFPageProxy} + * object. + */ + getPage: function PDFDocumentProxy_getPage(pageNumber) { + return this.transport.getPage(pageNumber); + }, + /** + * @param {{num: number, gen: number}} ref The page reference. Must have + * the 'num' and 'gen' properties. + * @return {Promise} A promise that is resolved with the page index that is + * associated with the reference. + */ + getPageIndex: function PDFDocumentProxy_getPageIndex(ref) { + return this.transport.getPageIndex(ref); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named destinations to reference numbers. + * + * This can be slow for large documents: use getDestination instead + */ + getDestinations: function PDFDocumentProxy_getDestinations() { + return this.transport.getDestinations(); + }, + /** + * @param {string} id The named destination to get. + * @return {Promise} A promise that is resolved with all information + * of the given named destination. + */ + getDestination: function PDFDocumentProxy_getDestination(id) { + return this.transport.getDestination(id); + }, + /** + * @return {Promise} A promise that is resolved with: + * an Array containing the pageLabels that correspond to the pageIndexes, + * or `null` when no pageLabels are present in the PDF file. + */ + getPageLabels: function PDFDocumentProxy_getPageLabels() { + return this.transport.getPageLabels(); + }, + /** + * @return {Promise} A promise that is resolved with a lookup table for + * mapping named attachments to their content. + */ + getAttachments: function PDFDocumentProxy_getAttachments() { + return this.transport.getAttachments(); + }, + /** + * @return {Promise} A promise that is resolved with an array of all the + * JavaScript strings in the name tree. + */ + getJavaScript: function PDFDocumentProxy_getJavaScript() { + return this.transport.getJavaScript(); + }, + /** + * @return {Promise} A promise that is resolved with an {Array} that is a + * tree outline (if it has one) of the PDF. The tree is in the format of: + * [ + * { + * title: string, + * bold: boolean, + * italic: boolean, + * color: rgb Uint8Array, + * dest: dest obj, + * url: string, + * items: array of more items like this + * }, + * ... + * ]. + */ + getOutline: function PDFDocumentProxy_getOutline() { + return this.transport.getOutline(); + }, + /** + * @return {Promise} A promise that is resolved with an {Object} that has + * info and metadata properties. Info is an {Object} filled with anything + * available in the information dictionary and similarly metadata is a + * {Metadata} object with information from the metadata section of the PDF. + */ + getMetadata: function PDFDocumentProxy_getMetadata() { + return this.transport.getMetadata(); + }, + /** + * @return {Promise} A promise that is resolved with a TypedArray that has + * the raw data from the PDF. + */ + getData: function PDFDocumentProxy_getData() { + return this.transport.getData(); + }, + /** + * @return {Promise} A promise that is resolved when the document's data + * is loaded. It is resolved with an {Object} that contains the length + * property that indicates size of the PDF data in bytes. + */ + getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() { + return this.transport.downloadInfoCapability.promise; + }, + /** + * @return {Promise} A promise this is resolved with current stats about + * document structures (see {@link PDFDocumentStats}). + */ + getStats: function PDFDocumentProxy_getStats() { + return this.transport.getStats(); + }, + /** + * Cleans up resources allocated by the document, e.g. created @font-face. + */ + cleanup: function PDFDocumentProxy_cleanup() { + this.transport.startCleanup(); + }, + /** + * Destroys current document instance and terminates worker. + */ + destroy: function PDFDocumentProxy_destroy() { + return this.loadingTask.destroy(); + } + }; + return PDFDocumentProxy; +})(); + +/** + * Page getTextContent parameters. + * + * @typedef {Object} getTextContentParameters + * @param {boolean} normalizeWhitespace - replaces all occurrences of + * whitespace with standard spaces (0x20). The default value is `false`. + * @param {boolean} disableCombineTextItems - do not attempt to combine + * same line {@link TextItem}'s. The default value is `false`. + */ + +/** + * Page text content. + * + * @typedef {Object} TextContent + * @property {array} items - array of {@link TextItem} + * @property {Object} styles - {@link TextStyles} objects, indexed by font + * name. + */ + +/** + * Page text content part. + * + * @typedef {Object} TextItem + * @property {string} str - text content. + * @property {string} dir - text direction: 'ttb', 'ltr' or 'rtl'. + * @property {array} transform - transformation matrix. + * @property {number} width - width in device space. + * @property {number} height - height in device space. + * @property {string} fontName - font name used by pdf.js for converted font. + */ + +/** + * Text style. + * + * @typedef {Object} TextStyle + * @property {number} ascent - font ascent. + * @property {number} descent - font descent. + * @property {boolean} vertical - text is in vertical mode. + * @property {string} fontFamily - possible font family + */ + +/** + * Page annotation parameters. + * + * @typedef {Object} GetAnnotationsParameters + * @param {string} intent - Determines the annotations that will be fetched, + * can be either 'display' (viewable annotations) or 'print' + * (printable annotations). + * If the parameter is omitted, all annotations are fetched. + */ + +/** + * Page render parameters. + * + * @typedef {Object} RenderParameters + * @property {Object} canvasContext - A 2D context of a DOM Canvas object. + * @property {PageViewport} viewport - Rendering viewport obtained by + * calling of PDFPage.getViewport method. + * @property {string} intent - Rendering intent, can be 'display' or 'print' + * (default value is 'display'). + * @property {boolean} renderInteractiveForms - (optional) Whether or not + * interactive form elements are rendered in the display + * layer. If so, we do not render them on canvas as well. + * @property {Array} transform - (optional) Additional transform, applied + * just before viewport transform. + * @property {Object} imageLayer - (optional) An object that has beginLayout, + * endLayout and appendImage functions. + * @property {function} continueCallback - (deprecated) A function that will be + * called each time the rendering is paused. To continue + * rendering call the function that is the first argument + * to the callback. + */ + +/** + * PDF page operator list. + * + * @typedef {Object} PDFOperatorList + * @property {Array} fnArray - Array containing the operator functions. + * @property {Array} argsArray - Array containing the arguments of the + * functions. + */ + +/** + * Proxy to a PDFPage in the worker thread. + * @class + * @alias PDFPageProxy + */ +var PDFPageProxy = (function PDFPageProxyClosure() { + function PDFPageProxy(pageIndex, pageInfo, transport) { + this.pageIndex = pageIndex; + this.pageInfo = pageInfo; + this.transport = transport; + this.stats = new StatTimer(); + this.stats.enabled = getDefaultSetting('enableStats'); + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = Object.create(null); + this.destroyed = false; + } + PDFPageProxy.prototype = /** @lends PDFPageProxy.prototype */ { + /** + * @return {number} Page number of the page. First page is 1. + */ + get pageNumber() { + return this.pageIndex + 1; + }, + /** + * @return {number} The number of degrees the page is rotated clockwise. + */ + get rotate() { + return this.pageInfo.rotate; + }, + /** + * @return {Object} The reference that points to this page. It has 'num' and + * 'gen' properties. + */ + get ref() { + return this.pageInfo.ref; + }, + /** + * @return {Array} An array of the visible portion of the PDF page in the + * user space units - [x1, y1, x2, y2]. + */ + get view() { + return this.pageInfo.view; + }, + /** + * @param {number} scale The desired scale of the viewport. + * @param {number} rotate Degrees to rotate the viewport. If omitted this + * defaults to the page rotation. + * @return {PageViewport} Contains 'width' and 'height' properties + * along with transforms required for rendering. + */ + getViewport: function PDFPageProxy_getViewport(scale, rotate) { + if (arguments.length < 2) { + rotate = this.rotate; + } + return new PageViewport(this.view, scale, rotate, 0, 0); + }, + /** + * @param {GetAnnotationsParameters} params - Annotation parameters. + * @return {Promise} A promise that is resolved with an {Array} of the + * annotation objects. + */ + getAnnotations: function PDFPageProxy_getAnnotations(params) { + var intent = (params && params.intent) || null; + + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, + intent); + this.annotationsIntent = intent; + } + return this.annotationsPromise; + }, + /** + * Begins the process of rendering a page to the desired context. + * @param {RenderParameters} params Page render parameters. + * @return {RenderTask} An object that contains the promise, which + * is resolved when the page finishes rendering. + */ + render: function PDFPageProxy_render(params) { + var stats = this.stats; + stats.time('Overall'); + + // If there was a pending destroy cancel it so no cleanup happens during + // this call to render. + this.pendingCleanup = false; + + var renderingIntent = (params.intent === 'print' ? 'print' : 'display'); + var renderInteractiveForms = (params.renderInteractiveForms === true ? + true : /* Default */ false); + + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + + // If there's no displayReadyCapability yet, then the operatorList + // was never requested before. Make the request and create the promise. + if (!intentState.displayReadyCapability) { + intentState.receivingOperatorList = true; + intentState.displayReadyCapability = createPromiseCapability(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.stats.time('Page Request'); + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageNumber - 1, + intent: renderingIntent, + renderInteractiveForms: renderInteractiveForms, + }); + } + + var internalRenderTask = new InternalRenderTask(complete, params, + this.objs, + this.commonObjs, + intentState.operatorList, + this.pageNumber); + internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print'; + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + intentState.renderTasks.push(internalRenderTask); + var renderTask = internalRenderTask.task; + + // Obsolete parameter support + if (params.continueCallback) { + deprecated('render is used with continueCallback parameter'); + renderTask.onContinue = params.continueCallback; + } + + var self = this; + intentState.displayReadyCapability.promise.then( + function pageDisplayReadyPromise(transparency) { + if (self.pendingCleanup) { + complete(); + return; + } + stats.time('Rendering'); + internalRenderTask.initializeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }, + function pageDisplayReadPromiseError(reason) { + complete(reason); + } + ); + + function complete(error) { + var i = intentState.renderTasks.indexOf(internalRenderTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + + if (self.cleanupAfterRender) { + self.pendingCleanup = true; + } + self._tryCleanup(); + + if (error) { + internalRenderTask.capability.reject(error); + } else { + internalRenderTask.capability.resolve(); + } + stats.timeEnd('Rendering'); + stats.timeEnd('Overall'); + } + + return renderTask; + }, + + /** + * @return {Promise} A promise resolved with an {@link PDFOperatorList} + * object that represents page's operator list. + */ + getOperatorList: function PDFPageProxy_getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + + var i = intentState.renderTasks.indexOf(opListTask); + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + } + } + + var renderingIntent = 'oplist'; + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + var intentState = this.intentStates[renderingIntent]; + var opListTask; + + if (!intentState.opListReadCapability) { + opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.receivingOperatorList = true; + intentState.opListReadCapability = createPromiseCapability(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + this.transport.messageHandler.send('RenderPageRequest', { + pageIndex: this.pageIndex, + intent: renderingIntent + }); + } + return intentState.opListReadCapability.promise; + }, + + /** + * @param {getTextContentParameters} params - getTextContent parameters. + * @return {Promise} That is resolved a {@link TextContent} + * object that represent the page text content. + */ + getTextContent: function PDFPageProxy_getTextContent(params) { + return this.transport.messageHandler.sendWithPromise('GetTextContent', { + pageIndex: this.pageNumber - 1, + normalizeWhitespace: (params && params.normalizeWhitespace === true ? + true : /* Default */ false), + combineTextItems: (params && params.disableCombineTextItems === true ? + false : /* Default */ true), + }); + }, + + /** + * Destroys page object. + */ + _destroy: function PDFPageProxy_destroy() { + this.destroyed = true; + this.transport.pageCache[this.pageIndex] = null; + + var waitOn = []; + Object.keys(this.intentStates).forEach(function(intent) { + if (intent === 'oplist') { + // Avoid errors below, since the renderTasks are just stubs. + return; + } + var intentState = this.intentStates[intent]; + intentState.renderTasks.forEach(function(renderTask) { + var renderCompleted = renderTask.capability.promise. + catch(function () {}); // ignoring failures + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + }, + + /** + * Cleans up resources allocated by the page. (deprecated) + */ + destroy: function() { + deprecated('page destroy method, use cleanup() instead'); + this.cleanup(); + }, + + /** + * Cleans up resources allocated by the page. + */ + cleanup: function PDFPageProxy_cleanup() { + this.pendingCleanup = true; + this._tryCleanup(); + }, + /** + * For internal use only. Attempts to clean up if rendering is in a state + * where that's possible. + * @ignore + */ + _tryCleanup: function PDFPageProxy_tryCleanup() { + if (!this.pendingCleanup || + Object.keys(this.intentStates).some(function(intent) { + var intentState = this.intentStates[intent]; + return (intentState.renderTasks.length !== 0 || + intentState.receivingOperatorList); + }, this)) { + return; + } + + Object.keys(this.intentStates).forEach(function(intent) { + delete this.intentStates[intent]; + }, this); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + }, + /** + * For internal use only. + * @ignore + */ + _startRenderPage: function PDFPageProxy_startRenderPage(transparency, + intent) { + var intentState = this.intentStates[intent]; + // TODO Refactor RenderPageRequest to separate rendering + // and operator list logic + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + }, + /** + * For internal use only. + * @ignore + */ + _renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, + intent) { + var intentState = this.intentStates[intent]; + var i, ii; + // Add the new chunk to the current operator list. + for (i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push( + operatorListChunk.argsArray[i]); + } + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + + // Notify all the rendering tasks there are more operators to be consumed. + for (i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + + if (operatorListChunk.lastChunk) { + intentState.receivingOperatorList = false; + this._tryCleanup(); + } + } + }; + return PDFPageProxy; +})(); + +/** + * PDF.js web worker abstraction, it controls instantiation of PDF documents and + * WorkerTransport for them. If creation of a web worker is not possible, + * a "fake" worker will be used instead. + * @class + */ +var PDFWorker = (function PDFWorkerClosure() { + var nextFakeWorkerId = 0; + + function getWorkerSrc() { + if (typeof workerSrc !== 'undefined') { + return workerSrc; + } + if (getDefaultSetting('workerSrc')) { + return getDefaultSetting('workerSrc'); + } + if (pdfjsFilePath) { + return pdfjsFilePath.replace(/\.js$/i, '.worker.js'); + } + error('No PDFJS.workerSrc specified'); + } + + var fakeWorkerFilesLoadedCapability; + + // Loads worker code into main thread. + function setupFakeWorkerGlobal() { + var WorkerMessageHandler; + if (!fakeWorkerFilesLoadedCapability) { + fakeWorkerFilesLoadedCapability = createPromiseCapability(); + // In the developer build load worker_loader which in turn loads all the + // other files and resolves the promise. In production only the + // pdf.worker.js file is needed. + var loader = fakeWorkerFilesLoader || function (callback) { + Util.loadScript(getWorkerSrc(), function () { + callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler); + }); + }; + loader(fakeWorkerFilesLoadedCapability.resolve); + } + return fakeWorkerFilesLoadedCapability.promise; + } + + function FakeWorkerPort(defer) { + this._listeners = []; + this._defer = defer; + this._deferred = Promise.resolve(undefined); + } + FakeWorkerPort.prototype = { + postMessage: function (obj, transfers) { + function cloneValue(value) { + // Trying to perform a structured clone close to the spec, including + // transfers. + if (typeof value !== 'object' || value === null) { + return value; + } + if (cloned.has(value)) { // already cloned the object + return cloned.get(value); + } + var result; + var buffer; + if ((buffer = value.buffer) && isArrayBuffer(buffer)) { + // We found object with ArrayBuffer (typed array). + var transferable = transfers && transfers.indexOf(buffer) >= 0; + if (value === buffer) { + // Special case when we are faking typed arrays in compatibility.js. + result = value; + } else if (transferable) { + result = new value.constructor(buffer, value.byteOffset, + value.byteLength); + } else { + result = new value.constructor(value); + } + cloned.set(value, result); + return result; + } + result = isArray(value) ? [] : {}; + cloned.set(value, result); // adding to cache now for cyclic references + // Cloning all value and object properties, however ignoring properties + // defined via getter. + for (var i in value) { + var desc, p = value; + while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { + p = Object.getPrototypeOf(p); + } + if (typeof desc.value === 'undefined' || + typeof desc.value === 'function') { + continue; + } + result[i] = cloneValue(desc.value); + } + return result; + } + + if (!this._defer) { + this._listeners.forEach(function (listener) { + listener.call(this, {data: obj}); + }, this); + return; + } + + var cloned = new WeakMap(); + var e = {data: cloneValue(obj)}; + this._deferred.then(function () { + this._listeners.forEach(function (listener) { + listener.call(this, e); + }, this); + }.bind(this)); + }, + addEventListener: function (name, listener) { + this._listeners.push(listener); + }, + removeEventListener: function (name, listener) { + var i = this._listeners.indexOf(listener); + this._listeners.splice(i, 1); + }, + terminate: function () { + this._listeners = []; + } + }; + + function createCDNWrapper(url) { + // We will rely on blob URL's property to specify origin. + // We want this function to fail in case if createObjectURL or Blob do not + // exist or fail for some reason -- our Worker creation will fail anyway. + var wrapper = 'importScripts(\'' + url + '\');'; + return URL.createObjectURL(new Blob([wrapper])); + } + + function PDFWorker(name) { + this.name = name; + this.destroyed = false; + + this._readyCapability = createPromiseCapability(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + this._initialize(); + } + + PDFWorker.prototype = /** @lends PDFWorker.prototype */ { + get promise() { + return this._readyCapability.promise; + }, + + get port() { + return this._port; + }, + + get messageHandler() { + return this._messageHandler; + }, + + _initialize: function PDFWorker_initialize() { + // If worker support isn't disabled explicit and the browser has worker + // support, create a new web worker and test if it/the browser fulfills + // all requirements to run parts of pdf.js in a web worker. + // Right now, the requirement is, that an Uint8Array is still an + // Uint8Array as it arrives on the worker. (Chrome added this with v.15.) + if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && + typeof Worker !== 'undefined') { + var workerSrc = getWorkerSrc(); + + try { + // Wraps workerSrc path into blob URL, if the former does not belong + // to the same origin. + if (!isSameOrigin(window.location.href, workerSrc)) { + workerSrc = createCDNWrapper( + new URL(workerSrc, window.location).href); + } + // Some versions of FF can't create a worker on localhost, see: + // https://bugzilla.mozilla.org/show_bug.cgi?id=683280 + var worker = new Worker(workerSrc); + var messageHandler = new MessageHandler('main', 'worker', worker); + var terminateEarly = function() { + worker.removeEventListener('error', onWorkerError); + messageHandler.destroy(); + worker.terminate(); + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + } else { + // Fall back to fake worker if the termination is caused by an + // error (e.g. NetworkError / SecurityError). + this._setupFakeWorker(); + } + }.bind(this); + + var onWorkerError = function(event) { + if (!this._webWorker) { + // Worker failed to initialize due to an error. Clean up and fall + // back to the fake worker. + terminateEarly(); + } + }.bind(this); + worker.addEventListener('error', onWorkerError); + + messageHandler.on('test', function PDFWorker_test(data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; // worker was destroyed + } + var supportTypedArray = data && data.supportTypedArray; + if (supportTypedArray) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + if (!data.supportTransfers) { + isPostMessageTransfersDisabled = true; + } + this._readyCapability.resolve(); + // Send global setting, e.g. verbosity level. + messageHandler.send('configure', { + verbosity: getVerbosityLevel() + }); + } else { + this._setupFakeWorker(); + messageHandler.destroy(); + worker.terminate(); + } + }.bind(this)); + + messageHandler.on('console_log', function (data) { + console.log.apply(console, data); + }); + messageHandler.on('console_error', function (data) { + console.error.apply(console, data); + }); + + messageHandler.on('ready', function (data) { + worker.removeEventListener('error', onWorkerError); + if (this.destroyed) { + terminateEarly(); + return; // worker was destroyed + } + try { + sendTest(); + } catch (e) { + // We need fallback to a faked worker. + this._setupFakeWorker(); + } + }.bind(this)); + + var sendTest = function () { + var postMessageTransfers = + getDefaultSetting('postMessageTransfers') && + !isPostMessageTransfersDisabled; + var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]); + // Some versions of Opera throw a DATA_CLONE_ERR on serializing the + // typed array. Also, checking if we can use transfers. + try { + messageHandler.send('test', testObj, [testObj.buffer]); + } catch (ex) { + info('Cannot use postMessage transfers'); + testObj[0] = 0; + messageHandler.send('test', testObj); + } + }; + + // It might take time for worker to initialize (especially when AMD + // loader is used). We will try to send test immediately, and then + // when 'ready' message will arrive. The worker shall process only + // first received 'test'. + sendTest(); + return; + } catch (e) { + info('The worker has been disabled.'); + } + } + // Either workers are disabled, not supported or have thrown an exception. + // Thus, we fallback to a faked worker. + this._setupFakeWorker(); + }, + + _setupFakeWorker: function PDFWorker_setupFakeWorker() { + if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) { + warn('Setting up fake worker.'); + isWorkerDisabled = true; + } + + setupFakeWorkerGlobal().then(function (WorkerMessageHandler) { + if (this.destroyed) { + this._readyCapability.reject(new Error('Worker was destroyed')); + return; + } + + // We cannot turn on proper fake port simulation (this includes + // structured cloning) when typed arrays are not supported. Relying + // on a chance that messages will be sent in proper order. + var isTypedArraysPresent = Uint8Array !== Float32Array; + var port = new FakeWorkerPort(isTypedArraysPresent); + this._port = port; + + // All fake workers use the same port, making id unique. + var id = 'fake' + (nextFakeWorkerId++); + + // If the main thread is our worker, setup the handling for the + // messages -- the main thread sends to it self. + var workerHandler = new MessageHandler(id + '_worker', id, port); + WorkerMessageHandler.setup(workerHandler, port); + + var messageHandler = new MessageHandler(id, id + '_worker', port); + this._messageHandler = messageHandler; + this._readyCapability.resolve(); + }.bind(this)); + }, + + /** + * Destroys the worker instance. + */ + destroy: function PDFWorker_destroy() { + this.destroyed = true; + if (this._webWorker) { + // We need to terminate only web worker created resource. + this._webWorker.terminate(); + this._webWorker = null; + } + this._port = null; + if (this._messageHandler) { + this._messageHandler.destroy(); + this._messageHandler = null; + } + } + }; + + return PDFWorker; +})(); + +/** + * For internal use only. + * @ignore + */ +var WorkerTransport = (function WorkerTransportClosure() { + function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.pdfDataRangeTransport = pdfDataRangeTransport; + this.commonObjs = new PDFObjects(); + this.fontLoader = new FontLoader(loadingTask.docId); + + this.destroyed = false; + this.destroyCapability = null; + + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = createPromiseCapability(); + + this.setupMessageHandler(); + } + WorkerTransport.prototype = { + destroy: function WorkerTransport_destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + + this.destroyed = true; + this.destroyCapability = createPromiseCapability(); + + var waitOn = []; + // We need to wait for all renderings to be completed, e.g. + // timeout/rAF can take a long time. + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache = []; + this.pagePromises = []; + var self = this; + // We also need to wait for the worker to finish its long running tasks. + var terminated = this.messageHandler.sendWithPromise('Terminate', null); + waitOn.push(terminated); + Promise.all(waitOn).then(function () { + self.fontLoader.clear(); + if (self.pdfDataRangeTransport) { + self.pdfDataRangeTransport.abort(); + self.pdfDataRangeTransport = null; + } + if (self.messageHandler) { + self.messageHandler.destroy(); + self.messageHandler = null; + } + self.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + }, + + setupMessageHandler: + function WorkerTransport_setupMessageHandler() { + var messageHandler = this.messageHandler; + + function updatePassword(password) { + messageHandler.send('UpdatePassword', password); + } + + var pdfDataRangeTransport = this.pdfDataRangeTransport; + if (pdfDataRangeTransport) { + pdfDataRangeTransport.addRangeListener(function(begin, chunk) { + messageHandler.send('OnDataRange', { + begin: begin, + chunk: chunk + }); + }); + + pdfDataRangeTransport.addProgressListener(function(loaded) { + messageHandler.send('OnDataProgress', { + loaded: loaded + }); + }); + + pdfDataRangeTransport.addProgressiveReadListener(function(chunk) { + messageHandler.send('OnDataRange', { + chunk: chunk + }); + }); + + messageHandler.on('RequestDataRange', + function transportDataRange(data) { + pdfDataRangeTransport.requestDataRange(data.begin, data.end); + }, this); + } + + messageHandler.on('GetDoc', function transportDoc(data) { + var pdfInfo = data.pdfInfo; + this.numPages = data.pdfInfo.numPages; + var loadingTask = this.loadingTask; + var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask); + this.pdfDocument = pdfDocument; + loadingTask._capability.resolve(pdfDocument); + }, this); + + messageHandler.on('NeedPassword', + function transportNeedPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.NEED_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('IncorrectPassword', + function transportIncorrectPassword(exception) { + var loadingTask = this.loadingTask; + if (loadingTask.onPassword) { + return loadingTask.onPassword(updatePassword, + PasswordResponses.INCORRECT_PASSWORD); + } + loadingTask._capability.reject( + new PasswordException(exception.message, exception.code)); + }, this); + + messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) { + this.loadingTask._capability.reject( + new InvalidPDFException(exception.message)); + }, this); + + messageHandler.on('MissingPDF', function transportMissingPDF(exception) { + this.loadingTask._capability.reject( + new MissingPDFException(exception.message)); + }, this); + + messageHandler.on('UnexpectedResponse', + function transportUnexpectedResponse(exception) { + this.loadingTask._capability.reject( + new UnexpectedResponseException(exception.message, exception.status)); + }, this); + + messageHandler.on('UnknownError', + function transportUnknownError(exception) { + this.loadingTask._capability.reject( + new UnknownErrorException(exception.message, exception.details)); + }, this); + + messageHandler.on('DataLoaded', function transportPage(data) { + this.downloadInfoCapability.resolve(data); + }, this); + + messageHandler.on('PDFManagerReady', function transportPage(data) { + if (this.pdfDataRangeTransport) { + this.pdfDataRangeTransport.transportReady(); + } + }, this); + + messageHandler.on('StartRenderPage', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page.stats.timeEnd('Page Request'); + page._startRenderPage(data.transparency, data.intent); + }, this); + + messageHandler.on('RenderPageChunk', function transportRender(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var page = this.pageCache[data.pageIndex]; + + page._renderPageChunk(data.operatorList, data.intent); + }, this); + + messageHandler.on('commonobj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var type = data[1]; + if (this.commonObjs.hasData(id)) { + return; + } + + switch (type) { + case 'Font': + var exportedData = data[2]; + + if ('error' in exportedData) { + var exportedError = exportedData.error; + warn('Error during font loading: ' + exportedError); + this.commonObjs.resolve(id, exportedError); + break; + } + var fontRegistry = null; + if (getDefaultSetting('pdfBug') && globalScope.FontInspector && + globalScope['FontInspector'].enabled) { + fontRegistry = { + registerFont: function (font, url) { + globalScope['FontInspector'].fontAdded(font, url); + } + }; + } + var font = new FontFaceObject(exportedData, { + isEvalSuported: getDefaultSetting('isEvalSupported'), + disableFontFace: getDefaultSetting('disableFontFace'), + fontRegistry: fontRegistry + }); + + this.fontLoader.bind( + [font], + function fontReady(fontObjs) { + this.commonObjs.resolve(id, font); + }.bind(this) + ); + break; + case 'FontPath': + this.commonObjs.resolve(id, data[2]); + break; + default: + error('Got unknown common object type ' + type); + } + }, this); + + messageHandler.on('obj', function transportObj(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var id = data[0]; + var pageIndex = data[1]; + var type = data[2]; + var pageProxy = this.pageCache[pageIndex]; + var imageData; + if (pageProxy.objs.hasData(id)) { + return; + } + + switch (type) { + case 'JpegStream': + imageData = data[3]; + loadJpegStream(id, imageData, pageProxy.objs); + break; + case 'Image': + imageData = data[3]; + pageProxy.objs.resolve(id, imageData); + + // heuristics that will allow not to store large data + var MAX_IMAGE_SIZE_TO_STORE = 8000000; + if (imageData && 'data' in imageData && + imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + break; + default: + error('Got unknown object type ' + type); + } + }, this); + + messageHandler.on('DocProgress', function transportDocProgress(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var loadingTask = this.loadingTask; + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }, this); + + messageHandler.on('PageError', function transportError(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + + var page = this.pageCache[data.pageNum - 1]; + var intentState = page.intentStates[data.intent]; + + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(data.error); + } else { + error(data.error); + } + + if (intentState.operatorList) { + // Mark operator list as complete. + intentState.operatorList.lastChunk = true; + for (var i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + } + }, this); + + messageHandler.on('UnsupportedFeature', + function transportUnsupportedFeature(data) { + if (this.destroyed) { + return; // Ignore any pending requests if the worker was terminated. + } + var featureId = data.featureId; + var loadingTask = this.loadingTask; + if (loadingTask.onUnsupportedFeature) { + loadingTask.onUnsupportedFeature(featureId); + } + _UnsupportedManager.notify(featureId); + }, this); + + messageHandler.on('JpegDecode', function(data) { + if (this.destroyed) { + return Promise.reject(new Error('Worker was destroyed')); + } + + var imageUrl = data[0]; + var components = data[1]; + if (components !== 3 && components !== 1) { + return Promise.reject( + new Error('Only 3 components or 1 component can be returned')); + } + + return new Promise(function (resolve, reject) { + var img = new Image(); + img.onload = function () { + var width = img.width; + var height = img.height; + var size = width * height; + var rgbaLength = size * 4; + var buf = new Uint8Array(size * components); + var tmpCanvas = createScratchCanvas(width, height); + var tmpCtx = tmpCanvas.getContext('2d'); + tmpCtx.drawImage(img, 0, 0); + var data = tmpCtx.getImageData(0, 0, width, height).data; + var i, j; + + if (components === 3) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + resolve({ data: buf, width: width, height: height}); + }; + img.onerror = function () { + reject(new Error('JpegDecode failed to load image')); + }; + img.src = imageUrl; + }); + }, this); + }, + + getData: function WorkerTransport_getData() { + return this.messageHandler.sendWithPromise('GetData', null); + }, + + getPage: function WorkerTransport_getPage(pageNumber, capability) { + if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) { + return Promise.reject(new Error('Invalid page request')); + } + + var pageIndex = pageNumber - 1; + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + var promise = this.messageHandler.sendWithPromise('GetPage', { + pageIndex: pageIndex + }).then(function (pageInfo) { + if (this.destroyed) { + throw new Error('Transport destroyed'); + } + var page = new PDFPageProxy(pageIndex, pageInfo, this); + this.pageCache[pageIndex] = page; + return page; + }.bind(this)); + this.pagePromises[pageIndex] = promise; + return promise; + }, + + getPageIndex: function WorkerTransport_getPageIndexByRef(ref) { + return this.messageHandler.sendWithPromise('GetPageIndex', { + ref: ref, + }).catch(function (reason) { + return Promise.reject(new Error(reason)); + }); + }, + + getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise('GetAnnotations', { + pageIndex: pageIndex, + intent: intent, + }); + }, + + getDestinations: function WorkerTransport_getDestinations() { + return this.messageHandler.sendWithPromise('GetDestinations', null); + }, + + getDestination: function WorkerTransport_getDestination(id) { + return this.messageHandler.sendWithPromise('GetDestination', { id: id }); + }, + + getPageLabels: function WorkerTransport_getPageLabels() { + return this.messageHandler.sendWithPromise('GetPageLabels', null); + }, + + getAttachments: function WorkerTransport_getAttachments() { + return this.messageHandler.sendWithPromise('GetAttachments', null); + }, + + getJavaScript: function WorkerTransport_getJavaScript() { + return this.messageHandler.sendWithPromise('GetJavaScript', null); + }, + + getOutline: function WorkerTransport_getOutline() { + return this.messageHandler.sendWithPromise('GetOutline', null); + }, + + getMetadata: function WorkerTransport_getMetadata() { + return this.messageHandler.sendWithPromise('GetMetadata', null). + then(function transportMetadata(results) { + return { + info: results[0], + metadata: (results[1] ? new Metadata(results[1]) : null) + }; + }); + }, + + getStats: function WorkerTransport_getStats() { + return this.messageHandler.sendWithPromise('GetStats', null); + }, + + startCleanup: function WorkerTransport_startCleanup() { + this.messageHandler.sendWithPromise('Cleanup', null). + then(function endCleanup() { + for (var i = 0, ii = this.pageCache.length; i < ii; i++) { + var page = this.pageCache[i]; + if (page) { + page.cleanup(); + } + } + this.commonObjs.clear(); + this.fontLoader.clear(); + }.bind(this)); + } + }; + return WorkerTransport; + +})(); + +/** + * A PDF document and page is built of many objects. E.g. there are objects + * for fonts, images, rendering code and such. These objects might get processed + * inside of a worker. The `PDFObjects` implements some basic functions to + * manage these objects. + * @ignore + */ +var PDFObjects = (function PDFObjectsClosure() { + function PDFObjects() { + this.objs = Object.create(null); + } + + PDFObjects.prototype = { + /** + * Internal function. + * Ensures there is an object defined for `objId`. + */ + ensureObj: function PDFObjects_ensureObj(objId) { + if (this.objs[objId]) { + return this.objs[objId]; + } + + var obj = { + capability: createPromiseCapability(), + data: null, + resolved: false + }; + this.objs[objId] = obj; + + return obj; + }, + + /** + * If called *without* callback, this returns the data of `objId` but the + * object needs to be resolved. If it isn't, this function throws. + * + * If called *with* a callback, the callback is called with the data of the + * object once the object is resolved. That means, if you call this + * function and the object is already resolved, the callback gets called + * right away. + */ + get: function PDFObjects_get(objId, callback) { + // If there is a callback, then the get can be async and the object is + // not required to be resolved right now + if (callback) { + this.ensureObj(objId).capability.promise.then(callback); + return null; + } + + // If there isn't a callback, the user expects to get the resolved data + // directly. + var obj = this.objs[objId]; + + // If there isn't an object yet or the object isn't resolved, then the + // data isn't ready yet! + if (!obj || !obj.resolved) { + error('Requesting object that isn\'t resolved yet ' + objId); + } + + return obj.data; + }, + + /** + * Resolves the object `objId` with optional `data`. + */ + resolve: function PDFObjects_resolve(objId, data) { + var obj = this.ensureObj(objId); + + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + }, + + isResolved: function PDFObjects_isResolved(objId) { + var objs = this.objs; + + if (!objs[objId]) { + return false; + } else { + return objs[objId].resolved; + } + }, + + hasData: function PDFObjects_hasData(objId) { + return this.isResolved(objId); + }, + + /** + * Returns the data of `objId` if object exists, null otherwise. + */ + getData: function PDFObjects_getData(objId) { + var objs = this.objs; + if (!objs[objId] || !objs[objId].resolved) { + return null; + } else { + return objs[objId].data; + } + }, + + clear: function PDFObjects_clear() { + this.objs = Object.create(null); + } + }; + return PDFObjects; +})(); + +/** + * Allows controlling of the rendering tasks. + * @class + * @alias RenderTask + */ +var RenderTask = (function RenderTaskClosure() { + function RenderTask(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + + /** + * Callback for incremental rendering -- a function that will be called + * each time the rendering is paused. To continue rendering call the + * function that is the first argument to the callback. + * @type {function} + */ + this.onContinue = null; + } + + RenderTask.prototype = /** @lends RenderTask.prototype */ { + /** + * Promise for rendering task completion. + * @return {Promise} + */ + get promise() { + return this._internalRenderTask.capability.promise; + }, + + /** + * Cancels the rendering task. If the task is currently rendering it will + * not be cancelled until graphics pauses with a timeout. The promise that + * this object extends will resolved when cancelled. + */ + cancel: function RenderTask_cancel() { + this._internalRenderTask.cancel(); + }, + + /** + * Registers callbacks to indicate the rendering task completion. + * + * @param {function} onFulfilled The callback for the rendering completion. + * @param {function} onRejected The callback for the rendering failure. + * @return {Promise} A promise that is resolved after the onFulfilled or + * onRejected callback. + */ + then: function RenderTask_then(onFulfilled, onRejected) { + return this.promise.then.apply(this.promise, arguments); + } + }; + + return RenderTask; +})(); + +/** + * For internal use only. + * @ignore + */ +var InternalRenderTask = (function InternalRenderTaskClosure() { + + function InternalRenderTask(callback, params, objs, commonObjs, operatorList, + pageNumber) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this.pageNumber = pageNumber; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this.useRequestAnimationFrame = false; + this.cancelled = false; + this.capability = createPromiseCapability(); + this.task = new RenderTask(this); + // caching this-bound methods + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + } + + InternalRenderTask.prototype = { + + initializeGraphics: + function InternalRenderTask_initializeGraphics(transparency) { + + if (this.cancelled) { + return; + } + if (getDefaultSetting('pdfBug') && globalScope.StepperManager && + globalScope.StepperManager.enabled) { + this.stepper = globalScope.StepperManager.create(this.pageNumber - 1); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + + var params = this.params; + this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, + this.objs, params.imageLayer); + + this.gfx.beginDrawing(params.transform, params.viewport, transparency); + this.operatorListIdx = 0; + this.graphicsReady = true; + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + }, + + cancel: function InternalRenderTask_cancel() { + this.running = false; + this.cancelled = true; + this.callback('cancelled'); + }, + + operatorListChanged: function InternalRenderTask_operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + return; + } + + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + + if (this.running) { + return; + } + this._continue(); + }, + + _continue: function InternalRenderTask__continue() { + this.running = true; + if (this.cancelled) { + return; + } + if (this.task.onContinue) { + this.task.onContinue.call(this.task, this._scheduleNextBound); + } else { + this._scheduleNext(); + } + }, + + _scheduleNext: function InternalRenderTask__scheduleNext() { + if (this.useRequestAnimationFrame && typeof window !== 'undefined') { + window.requestAnimationFrame(this._nextBound); + } else { + Promise.resolve(undefined).then(this._nextBound); + } + }, + + _next: function InternalRenderTask__next() { + if (this.cancelled) { + return; + } + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, + this.operatorListIdx, + this._continueBound, + this.stepper); + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + this.callback(); + } + } + } + + }; + + return InternalRenderTask; +})(); + +/** + * (Deprecated) Global observer of unsupported feature usages. Use + * onUnsupportedFeature callback of the {PDFDocumentLoadingTask} instance. + */ +var _UnsupportedManager = (function UnsupportedManagerClosure() { + var listeners = []; + return { + listen: function (cb) { + deprecated('Global UnsupportedManager.listen is used: ' + + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead'); + listeners.push(cb); + }, + notify: function (featureId) { + for (var i = 0, ii = listeners.length; i < ii; i++) { + listeners[i](featureId); + } + } + }; +})(); + +if (typeof pdfjsVersion !== 'undefined') { + exports.version = pdfjsVersion; +} +if (typeof pdfjsBuild !== 'undefined') { + exports.build = pdfjsBuild; +} + +exports.getDocument = getDocument; +exports.PDFDataRangeTransport = PDFDataRangeTransport; +exports.PDFWorker = PDFWorker; +exports.PDFDocumentProxy = PDFDocumentProxy; +exports.PDFPageProxy = PDFPageProxy; +exports._UnsupportedManager = _UnsupportedManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsDisplayGlobal = {}), root.pdfjsSharedUtil, + root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, + root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, + root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG); + } +}(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, + displayAnnotationLayer, displayTextLayer, displayMetadata, + displaySVG) { + + var globalScope = sharedUtil.globalScope; + var deprecated = sharedUtil.deprecated; + var warn = sharedUtil.warn; + var LinkTarget = displayDOMUtils.LinkTarget; + + var isWorker = (typeof window === 'undefined'); + + // The global PDFJS object is now deprecated and will not be supported in + // the future. The members below are maintained for backward compatibility + // and shall not be extended or modified. If the global.js is included as + // a module, we will create a global PDFJS object instance or use existing. + if (!globalScope.PDFJS) { + globalScope.PDFJS = {}; + } + var PDFJS = globalScope.PDFJS; + + if (typeof pdfjsVersion !== 'undefined') { + PDFJS.version = pdfjsVersion; + } + if (typeof pdfjsBuild !== 'undefined') { + PDFJS.build = pdfjsBuild; + } + + PDFJS.pdfBug = false; + + if (PDFJS.verbosity !== undefined) { + sharedUtil.setVerbosityLevel(PDFJS.verbosity); + } + delete PDFJS.verbosity; + Object.defineProperty(PDFJS, 'verbosity', { + get: function () { return sharedUtil.getVerbosityLevel(); }, + set: function (level) { sharedUtil.setVerbosityLevel(level); }, + enumerable: true, + configurable: true + }); + + PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS; + PDFJS.OPS = sharedUtil.OPS; + PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; + PDFJS.isValidUrl = sharedUtil.isValidUrl; + PDFJS.shadow = sharedUtil.shadow; + PDFJS.createBlob = sharedUtil.createBlob; + PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) { + return sharedUtil.createObjectURL(data, contentType, + PDFJS.disableCreateObjectURL); + }; + Object.defineProperty(PDFJS, 'isLittleEndian', { + configurable: true, + get: function PDFJS_isLittleEndian() { + var value = sharedUtil.isLittleEndian(); + return sharedUtil.shadow(PDFJS, 'isLittleEndian', value); + } + }); + PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters; + PDFJS.PasswordResponses = sharedUtil.PasswordResponses; + PDFJS.PasswordException = sharedUtil.PasswordException; + PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException; + PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException; + PDFJS.MissingPDFException = sharedUtil.MissingPDFException; + PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + PDFJS.Util = sharedUtil.Util; + PDFJS.PageViewport = sharedUtil.PageViewport; + PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability; + + /** + * The maximum allowed image size in total pixels e.g. width * height. Images + * above this value will not be drawn. Use -1 for no limit. + * @var {number} + */ + PDFJS.maxImageSize = (PDFJS.maxImageSize === undefined ? + -1 : PDFJS.maxImageSize); + + /** + * The url of where the predefined Adobe CMaps are located. Include trailing + * slash. + * @var {string} + */ + PDFJS.cMapUrl = (PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl); + + /** + * Specifies if CMaps are binary packed. + * @var {boolean} + */ + PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked; + + /** + * By default fonts are converted to OpenType fonts and loaded via font face + * rules. If disabled, the font will be rendered using a built in font + * renderer that constructs the glyphs with primitive path commands. + * @var {boolean} + */ + PDFJS.disableFontFace = (PDFJS.disableFontFace === undefined ? + false : PDFJS.disableFontFace); + + /** + * Path for image resources, mainly for annotation icons. Include trailing + * slash. + * @var {string} + */ + PDFJS.imageResourcesPath = (PDFJS.imageResourcesPath === undefined ? + '' : PDFJS.imageResourcesPath); + + /** + * Disable the web worker and run all code on the main thread. This will + * happen automatically if the browser doesn't support workers or sending + * typed arrays to workers. + * @var {boolean} + */ + PDFJS.disableWorker = (PDFJS.disableWorker === undefined ? + false : PDFJS.disableWorker); + + /** + * Path and filename of the worker file. Required when the worker is enabled + * in development mode. If unspecified in the production build, the worker + * will be loaded based on the location of the pdf.js file. It is recommended + * that the workerSrc is set in a custom application to prevent issues caused + * by third-party frameworks and libraries. + * @var {string} + */ + PDFJS.workerSrc = (PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc); + + /** + * Disable range request loading of PDF files. When enabled and if the server + * supports partial content requests then the PDF will be fetched in chunks. + * Enabled (false) by default. + * @var {boolean} + */ + PDFJS.disableRange = (PDFJS.disableRange === undefined ? + false : PDFJS.disableRange); + + /** + * Disable streaming of PDF file data. By default PDF.js attempts to load PDF + * in chunks. This default behavior can be disabled. + * @var {boolean} + */ + PDFJS.disableStream = (PDFJS.disableStream === undefined ? + false : PDFJS.disableStream); + + /** + * Disable pre-fetching of PDF file data. When range requests are enabled + * PDF.js will automatically keep fetching more data even if it isn't needed + * to display the current page. This default behavior can be disabled. + * + * NOTE: It is also necessary to disable streaming, see above, + * in order for disabling of pre-fetching to work correctly. + * @var {boolean} + */ + PDFJS.disableAutoFetch = (PDFJS.disableAutoFetch === undefined ? + false : PDFJS.disableAutoFetch); + + /** + * Enables special hooks for debugging PDF.js. + * @var {boolean} + */ + PDFJS.pdfBug = (PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug); + + /** + * Enables transfer usage in postMessage for ArrayBuffers. + * @var {boolean} + */ + PDFJS.postMessageTransfers = (PDFJS.postMessageTransfers === undefined ? + true : PDFJS.postMessageTransfers); + + /** + * Disables URL.createObjectURL usage. + * @var {boolean} + */ + PDFJS.disableCreateObjectURL = (PDFJS.disableCreateObjectURL === undefined ? + false : PDFJS.disableCreateObjectURL); + + /** + * Disables WebGL usage. + * @var {boolean} + */ + PDFJS.disableWebGL = (PDFJS.disableWebGL === undefined ? + true : PDFJS.disableWebGL); + + /** + * Specifies the |target| attribute for external links. + * The constants from PDFJS.LinkTarget should be used: + * - NONE [default] + * - SELF + * - BLANK + * - PARENT + * - TOP + * @var {number} + */ + PDFJS.externalLinkTarget = (PDFJS.externalLinkTarget === undefined ? + LinkTarget.NONE : PDFJS.externalLinkTarget); + + /** + * Specifies the |rel| attribute for external links. Defaults to stripping + * the referrer. + * @var {string} + */ + PDFJS.externalLinkRel = (PDFJS.externalLinkRel === undefined ? + 'noreferrer' : PDFJS.externalLinkRel); + + /** + * Determines if we can eval strings as JS. Primarily used to improve + * performance for font rendering. + * @var {boolean} + */ + PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ? + true : PDFJS.isEvalSupported); + + var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow; + delete PDFJS.openExternalLinksInNewWindow; + Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', { + get: function () { + return PDFJS.externalLinkTarget === LinkTarget.BLANK; + }, + set: function (value) { + if (value) { + deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.'); + } + if (PDFJS.externalLinkTarget !== LinkTarget.NONE) { + warn('PDFJS.externalLinkTarget is already initialized'); + return; + } + PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE; + }, + enumerable: true, + configurable: true + }); + if (savedOpenExternalLinksInNewWindow) { + /** + * (Deprecated) Opens external links in a new window if enabled. + * The default behavior opens external links in the PDF.js window. + * + * NOTE: This property has been deprecated, please use + * `PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK` instead. + * @var {boolean} + */ + PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow; + } + + PDFJS.getDocument = displayAPI.getDocument; + PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport; + PDFJS.PDFWorker = displayAPI.PDFWorker; + + Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', { + configurable: true, + get: function PDFJS_hasCanvasTypedArrays() { + var value = displayDOMUtils.hasCanvasTypedArrays(); + return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value); + } + }); + PDFJS.CustomStyle = displayDOMUtils.CustomStyle; + PDFJS.LinkTarget = LinkTarget; + PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes; + PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl; + PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet; + + PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer; + + PDFJS.renderTextLayer = displayTextLayer.renderTextLayer; + + PDFJS.Metadata = displayMetadata.Metadata; + + PDFJS.SVGGraphics = displaySVG.SVGGraphics; + + PDFJS.UnsupportedManager = displayAPI._UnsupportedManager; + + exports.globalScope = globalScope; + exports.isWorker = isWorker; + exports.PDFJS = globalScope.PDFJS; +})); + }).call(pdfjsLibs); + + exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS; + exports.build = pdfjsLibs.pdfjsDisplayAPI.build; + exports.version = pdfjsLibs.pdfjsDisplayAPI.version; + exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument; + exports.PDFDataRangeTransport = + pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport; + exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker; + exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer; + exports.AnnotationLayer = + pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer; + exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle; + exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses; + exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException; + exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException; + exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics; + exports.UnexpectedResponseException = + pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException; + exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS; + exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES; + exports.isValidUrl = pdfjsLibs.pdfjsSharedUtil.isValidUrl; + exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL; + exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters; + exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow; + exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob; + exports.getFilenameFromUrl = + pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl; + exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes; +})); + diff --git a/webapp/static/libs/pdf.worker.js b/webapp/static/libs/pdf.worker.js new file mode 100644 index 0000000..11a6cf9 --- /dev/null +++ b/webapp/static/libs/pdf.worker.js @@ -0,0 +1,43506 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* jshint globalstrict: false */ +/* umdutils ignore */ + +(function (root, factory) { + 'use strict'; + if (typeof define === 'function' && define.amd) { +define('pdfjs-dist/build/pdf.worker', ['exports'], factory); + } else if (typeof exports !== 'undefined') { + factory(exports); + } else { +factory((root.pdfjsDistBuildPdfWorker = {})); + } +}(this, function (exports) { + // Use strict in our context only - users might not want it + 'use strict'; + +var pdfjsVersion = '1.6.210'; +var pdfjsBuild = '4ce2356'; + + var pdfjsFilePath = + typeof document !== 'undefined' && document.currentScript ? + document.currentScript.src : null; + + var pdfjsLibs = {}; + + (function pdfjsWrapper() { + + + +(function (root, factory) { + { + factory((root.pdfjsCoreArithmeticDecoder = {})); + } +}(this, function (exports) { + +/* This class implements the QM Coder decoding as defined in + * JPEG 2000 Part I Final Committee Draft Version 1.0 + * Annex C.3 Arithmetic decoding procedure + * available at http://www.jpeg.org/public/fcd15444-1.pdf + * + * The arithmetic decoder is used in conjunction with context models to decode + * JPEG2000 and JBIG2 streams. + */ +var ArithmeticDecoder = (function ArithmeticDecoderClosure() { + // Table C-2 + var QeTable = [ + {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1}, + {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0}, + {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0}, + {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0}, + {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0}, + {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0}, + {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1}, + {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0}, + {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0}, + {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0}, + {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0}, + {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0}, + {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0}, + {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0}, + {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1}, + {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0}, + {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0}, + {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0}, + {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0}, + {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0}, + {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0}, + {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0}, + {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0}, + {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0}, + {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0}, + {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0}, + {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0}, + {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0}, + {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0}, + {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0}, + {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0}, + {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0}, + {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0}, + {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0}, + {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0}, + {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0}, + {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0}, + {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0}, + {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0}, + {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0}, + {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0}, + {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0}, + {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0}, + {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0}, + {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0}, + {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0}, + {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0} + ]; + + // C.3.5 Initialisation of the decoder (INITDEC) + function ArithmeticDecoder(data, start, end) { + this.data = data; + this.bp = start; + this.dataEnd = end; + + this.chigh = data[start]; + this.clow = 0; + + this.byteIn(); + + this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F); + this.clow = (this.clow << 7) & 0xFFFF; + this.ct -= 7; + this.a = 0x8000; + } + + ArithmeticDecoder.prototype = { + // C.3.4 Compressed data input (BYTEIN) + byteIn: function ArithmeticDecoder_byteIn() { + var data = this.data; + var bp = this.bp; + if (data[bp] === 0xFF) { + var b1 = data[bp + 1]; + if (b1 > 0x8F) { + this.clow += 0xFF00; + this.ct = 8; + } else { + bp++; + this.clow += (data[bp] << 9); + this.ct = 7; + this.bp = bp; + } + } else { + bp++; + this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00; + this.ct = 8; + this.bp = bp; + } + if (this.clow > 0xFFFF) { + this.chigh += (this.clow >> 16); + this.clow &= 0xFFFF; + } + }, + // C.3.2 Decoding a decision (DECODE) + readBit: function ArithmeticDecoder_readBit(contexts, pos) { + // contexts are packed into 1 byte: + // highest 7 bits carry cx.index, lowest bit carries cx.mps + var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1; + var qeTableIcx = QeTable[cx_index]; + var qeIcx = qeTableIcx.qe; + var d; + var a = this.a - qeIcx; + + if (this.chigh < qeIcx) { + // exchangeLps + if (a < qeIcx) { + a = qeIcx; + d = cx_mps; + cx_index = qeTableIcx.nmps; + } else { + a = qeIcx; + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } + } else { + this.chigh -= qeIcx; + if ((a & 0x8000) !== 0) { + this.a = a; + return cx_mps; + } + // exchangeMps + if (a < qeIcx) { + d = 1 ^ cx_mps; + if (qeTableIcx.switchFlag === 1) { + cx_mps = d; + } + cx_index = qeTableIcx.nlps; + } else { + d = cx_mps; + cx_index = qeTableIcx.nmps; + } + } + // C.3.3 renormD; + do { + if (this.ct === 0) { + this.byteIn(); + } + + a <<= 1; + this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1); + this.clow = (this.clow << 1) & 0xFFFF; + this.ct--; + } while ((a & 0x8000) === 0); + this.a = a; + + contexts[pos] = cx_index << 1 | cx_mps; + return d; + } + }; + + return ArithmeticDecoder; +})(); + +exports.ArithmeticDecoder = ArithmeticDecoder; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreBidi = {})); + } +}(this, function (exports) { + + // Character types for symbols from 0000 to 00FF. + var baseTypes = [ + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'S', 'B', 'S', 'WS', + 'B', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'B', 'B', 'B', 'S', 'WS', 'ON', 'ON', 'ET', 'ET', 'ET', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ON', 'CS', 'ON', 'CS', 'ON', 'EN', 'EN', 'EN', + 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'EN', 'ON', 'ON', 'ON', 'ON', 'ON', + 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'ON', 'ON', + 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'ON', 'ON', 'ON', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'B', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', 'BN', + 'BN', 'CS', 'ON', 'ET', 'ET', 'ET', 'ET', 'ON', 'ON', 'ON', 'ON', 'L', 'ON', + 'ON', 'ON', 'ON', 'ON', 'ET', 'ET', 'EN', 'EN', 'ON', 'L', 'ON', 'ON', 'ON', + 'EN', 'L', 'ON', 'ON', 'ON', 'ON', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L', + 'L', 'L', 'L', 'ON', 'L', 'L', 'L', 'L', 'L', 'L', 'L', 'L' + ]; + + // Character types for symbols from 0600 to 06FF + var arabicTypes = [ + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'CS', 'AL', 'ON', 'ON', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', 'AN', + 'AN', 'ET', 'AN', 'AN', 'AL', 'AL', 'AL', 'NSM', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', + 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'NSM', 'ON', 'NSM', + 'NSM', 'NSM', 'NSM', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', + 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL', 'AL' + ]; + + function isOdd(i) { + return (i & 1) !== 0; + } + + function isEven(i) { + return (i & 1) === 0; + } + + function findUnequal(arr, start, value) { + for (var j = start, jj = arr.length; j < jj; ++j) { + if (arr[j] !== value) { + return j; + } + } + return j; + } + + function setValues(arr, start, end, value) { + for (var j = start; j < end; ++j) { + arr[j] = value; + } + } + + function reverseValues(arr, start, end) { + for (var i = start, j = end - 1; i < j; ++i, --j) { + var temp = arr[i]; + arr[i] = arr[j]; + arr[j] = temp; + } + } + + function createBidiText(str, isLTR, vertical) { + return { + str: str, + dir: (vertical ? 'ttb' : (isLTR ? 'ltr' : 'rtl')) + }; + } + + // These are used in bidi(), which is called frequently. We re-use them on + // each call to avoid unnecessary allocations. + var chars = []; + var types = []; + + function bidi(str, startLevel, vertical) { + var isLTR = true; + var strLength = str.length; + if (strLength === 0 || vertical) { + return createBidiText(str, isLTR, vertical); + } + + // Get types and fill arrays + chars.length = strLength; + types.length = strLength; + var numBidi = 0; + + var i, ii; + for (i = 0; i < strLength; ++i) { + chars[i] = str.charAt(i); + + var charCode = str.charCodeAt(i); + var charType = 'L'; + if (charCode <= 0x00ff) { + charType = baseTypes[charCode]; + } else if (0x0590 <= charCode && charCode <= 0x05f4) { + charType = 'R'; + } else if (0x0600 <= charCode && charCode <= 0x06ff) { + charType = arabicTypes[charCode & 0xff]; + } else if (0x0700 <= charCode && charCode <= 0x08AC) { + charType = 'AL'; + } + if (charType === 'R' || charType === 'AL' || charType === 'AN') { + numBidi++; + } + types[i] = charType; + } + + // Detect the bidi method + // - If there are no rtl characters then no bidi needed + // - If less than 30% chars are rtl then string is primarily ltr + // - If more than 30% chars are rtl then string is primarily rtl + if (numBidi === 0) { + isLTR = true; + return createBidiText(str, isLTR); + } + + if (startLevel === -1) { + if ((strLength / numBidi) < 0.3) { + isLTR = true; + startLevel = 0; + } else { + isLTR = false; + startLevel = 1; + } + } + + var levels = []; + for (i = 0; i < strLength; ++i) { + levels[i] = startLevel; + } + + /* + X1-X10: skip most of this, since we are NOT doing the embeddings. + */ + var e = (isOdd(startLevel) ? 'R' : 'L'); + var sor = e; + var eor = sor; + + /* + W1. Examine each non-spacing mark (NSM) in the level run, and change the + type of the NSM to the type of the previous character. If the NSM is at the + start of the level run, it will get the type of sor. + */ + var lastType = sor; + for (i = 0; i < strLength; ++i) { + if (types[i] === 'NSM') { + types[i] = lastType; + } else { + lastType = types[i]; + } + } + + /* + W2. Search backwards from each instance of a European number until the + first strong type (R, L, AL, or sor) is found. If an AL is found, change + the type of the European number to Arabic number. + */ + lastType = sor; + var t; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = (lastType === 'AL') ? 'AN' : 'EN'; + } else if (t === 'R' || t === 'L' || t === 'AL') { + lastType = t; + } + } + + /* + W3. Change all ALs to R. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'AL') { + types[i] = 'R'; + } + } + + /* + W4. A single European separator between two European numbers changes to a + European number. A single common separator between two numbers of the same + type changes to that type: + */ + for (i = 1; i < strLength - 1; ++i) { + if (types[i] === 'ES' && types[i - 1] === 'EN' && types[i + 1] === 'EN') { + types[i] = 'EN'; + } + if (types[i] === 'CS' && + (types[i - 1] === 'EN' || types[i - 1] === 'AN') && + types[i + 1] === types[i - 1]) { + types[i] = types[i - 1]; + } + } + + /* + W5. A sequence of European terminators adjacent to European numbers changes + to all European numbers: + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'EN') { + // do before + var j; + for (j = i - 1; j >= 0; --j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + // do after + for (j = i + 1; j < strLength; ++j) { + if (types[j] !== 'ET') { + break; + } + types[j] = 'EN'; + } + } + } + + /* + W6. Otherwise, separators and terminators change to Other Neutral: + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'WS' || t === 'ES' || t === 'ET' || t === 'CS') { + types[i] = 'ON'; + } + } + + /* + W7. Search backwards from each instance of a European number until the + first strong type (R, L, or sor) is found. If an L is found, then change + the type of the European number to L. + */ + lastType = sor; + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (t === 'EN') { + types[i] = ((lastType === 'L') ? 'L' : 'EN'); + } else if (t === 'R' || t === 'L') { + lastType = t; + } + } + + /* + N1. A sequence of neutrals takes the direction of the surrounding strong + text if the text on both sides has the same direction. European and Arabic + numbers are treated as though they were R. Start-of-level-run (sor) and + end-of-level-run (eor) are used at level run boundaries. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + var end = findUnequal(types, i + 1, 'ON'); + var before = sor; + if (i > 0) { + before = types[i - 1]; + } + + var after = eor; + if (end + 1 < strLength) { + after = types[end + 1]; + } + if (before !== 'L') { + before = 'R'; + } + if (after !== 'L') { + after = 'R'; + } + if (before === after) { + setValues(types, i, end, before); + } + i = end - 1; // reset to end (-1 so next iteration is ok) + } + } + + /* + N2. Any remaining neutrals take the embedding direction. + */ + for (i = 0; i < strLength; ++i) { + if (types[i] === 'ON') { + types[i] = e; + } + } + + /* + I1. For all characters with an even (left-to-right) embedding direction, + those of type R go up one level and those of type AN or EN go up two + levels. + I2. For all characters with an odd (right-to-left) embedding direction, + those of type L, EN or AN go up one level. + */ + for (i = 0; i < strLength; ++i) { + t = types[i]; + if (isEven(levels[i])) { + if (t === 'R') { + levels[i] += 1; + } else if (t === 'AN' || t === 'EN') { + levels[i] += 2; + } + } else { // isOdd + if (t === 'L' || t === 'AN' || t === 'EN') { + levels[i] += 1; + } + } + } + + /* + L1. On each line, reset the embedding level of the following characters to + the paragraph embedding level: + + segment separators, + paragraph separators, + any sequence of whitespace characters preceding a segment separator or + paragraph separator, and any sequence of white space characters at the end + of the line. + */ + + // don't bother as text is only single line + + /* + L2. From the highest level found in the text to the lowest odd level on + each line, reverse any contiguous sequence of characters that are at that + level or higher. + */ + + // find highest level & lowest odd level + var highestLevel = -1; + var lowestOddLevel = 99; + var level; + for (i = 0, ii = levels.length; i < ii; ++i) { + level = levels[i]; + if (highestLevel < level) { + highestLevel = level; + } + if (lowestOddLevel > level && isOdd(level)) { + lowestOddLevel = level; + } + } + + // now reverse between those limits + for (level = highestLevel; level >= lowestOddLevel; --level) { + // find segments to reverse + var start = -1; + for (i = 0, ii = levels.length; i < ii; ++i) { + if (levels[i] < level) { + if (start >= 0) { + reverseValues(chars, start, i); + start = -1; + } + } else if (start < 0) { + start = i; + } + } + if (start >= 0) { + reverseValues(chars, start, levels.length); + } + } + + /* + L3. Combining marks applied to a right-to-left base character will at this + point precede their base character. If the rendering engine expects them to + follow the base characters in the final display process, then the ordering + of the marks and the base character must be reversed. + */ + + // don't bother for now + + /* + L4. A character that possesses the mirrored property as specified by + Section 4.7, Mirrored, must be depicted by a mirrored glyph if the resolved + directionality of that character is R. + */ + + // don't mirror as characters are already mirrored in the pdf + + // Finally, return string + for (i = 0, ii = chars.length; i < ii; ++i) { + var ch = chars[i]; + if (ch === '<' || ch === '>') { + chars[i] = ''; + } + } + return createBidiText(chars.join(''), isLTR); + } + +exports.bidi = bidi; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCharsets = {})); + } +}(this, function (exports) { + +var ISOAdobeCharset = [ + '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', + 'percent', 'ampersand', 'quoteright', 'parenleft', 'parenright', + 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', 'zero', + 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', + 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question', + 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', + 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + 'bracketleft', 'backslash', 'bracketright', 'asciicircum', 'underscore', + 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', + 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', + 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', + 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', + 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', + 'perthousand', 'questiondown', 'grave', 'acute', 'circumflex', 'tilde', + 'macron', 'breve', 'dotaccent', 'dieresis', 'ring', 'cedilla', + 'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine', + 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', 'dotlessi', 'lslash', + 'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu', + 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter', + 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', 'twosuperior', + 'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright', + 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde', + 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', 'Iacute', + 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex', + 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex', + 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', 'aacute', + 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla', + 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex', + 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis', + 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', + 'ugrave', 'yacute', 'ydieresis', 'zcaron' +]; + +var ExpertCharset = [ + '.notdef', 'space', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle', + 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', + 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma', + 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', + 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', + 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', + 'colon', 'semicolon', 'commasuperior', 'threequartersemdash', + 'periodsuperior', 'questionsmall', 'asuperior', 'bsuperior', + 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', + 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', + 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', + 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', + 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', + 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', + 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', + 'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', 'centoldstyle', + 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', + 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall', + 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', + 'Cedillasmall', 'onequarter', 'onehalf', 'threequarters', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior', + 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior', + 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', + 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', + 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', + 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', + 'periodinferior', 'commainferior', 'Agravesmall', 'Aacutesmall', + 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall', + 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', + 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', + 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', + 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', + 'Ydieresissmall' +]; + +var ExpertSubsetCharset = [ + '.notdef', 'space', 'dollaroldstyle', 'dollarsuperior', + 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', + 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', + 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', + 'eightoldstyle', 'nineoldstyle', 'colon', 'semicolon', 'commasuperior', + 'threequartersemdash', 'periodsuperior', 'asuperior', 'bsuperior', + 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', + 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', + 'parenrightinferior', 'hyphensuperior', 'colonmonetary', 'onefitted', + 'rupiah', 'centoldstyle', 'figuredash', 'hypheninferior', 'onequarter', + 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'onesuperior', + 'twosuperior', 'threesuperior', 'foursuperior', 'fivesuperior', + 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', + 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', + 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', + 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', + 'periodinferior', 'commainferior' +]; + +exports.ISOAdobeCharset = ISOAdobeCharset; +exports.ExpertCharset = ExpertCharset; +exports.ExpertSubsetCharset = ExpertSubsetCharset; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreEncodings = {})); + } +}(this, function (exports) { + + var ExpertEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclamsmall', 'Hungarumlautsmall', '', 'dollaroldstyle', + 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', + 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'comma', + 'hyphen', 'period', 'fraction', 'zerooldstyle', 'oneoldstyle', + 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', + 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'colon', + 'semicolon', 'commasuperior', 'threequartersemdash', 'periodsuperior', + 'questionsmall', '', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', + 'esuperior', '', '', 'isuperior', '', '', 'lsuperior', 'msuperior', + 'nsuperior', 'osuperior', '', '', 'rsuperior', 'ssuperior', 'tsuperior', + '', 'ff', 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', + 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', + 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', + 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', + 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', + 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', + 'onefitted', 'rupiah', 'Tildesmall', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', + '', '', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', + 'Caronsmall', '', 'Dotaccentsmall', '', '', 'Macronsmall', '', '', + 'figuredash', 'hypheninferior', '', '', 'Ogoneksmall', 'Ringsmall', + 'Cedillasmall', '', '', '', 'onequarter', 'onehalf', 'threequarters', + 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', '', '', 'zerosuperior', + 'onesuperior', 'twosuperior', 'threesuperior', 'foursuperior', + 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior', + 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior', + 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', + 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', + 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', + 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', + 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', + 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', + 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', + 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', + 'Ydieresissmall']; + + var MacExpertEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclamsmall', 'Hungarumlautsmall', 'centoldstyle', + 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall', + 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'comma', 'hyphen', 'period', 'fraction', 'zerooldstyle', + 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', + 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', + 'nineoldstyle', 'colon', 'semicolon', '', 'threequartersemdash', '', + 'questionsmall', '', '', '', '', 'Ethsmall', '', '', 'onequarter', + 'onehalf', 'threequarters', 'oneeighth', 'threeeighths', 'fiveeighths', + 'seveneighths', 'onethird', 'twothirds', '', '', '', '', '', '', 'ff', + 'fi', 'fl', 'ffi', 'ffl', 'parenleftinferior', '', 'parenrightinferior', + 'Circumflexsmall', 'hypheninferior', 'Gravesmall', 'Asmall', 'Bsmall', + 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', + 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', + 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', + 'Tildesmall', '', '', 'asuperior', 'centsuperior', '', '', '', '', + 'Aacutesmall', 'Agravesmall', 'Acircumflexsmall', 'Adieresissmall', + 'Atildesmall', 'Aringsmall', 'Ccedillasmall', 'Eacutesmall', 'Egravesmall', + 'Ecircumflexsmall', 'Edieresissmall', 'Iacutesmall', 'Igravesmall', + 'Icircumflexsmall', 'Idieresissmall', 'Ntildesmall', 'Oacutesmall', + 'Ogravesmall', 'Ocircumflexsmall', 'Odieresissmall', 'Otildesmall', + 'Uacutesmall', 'Ugravesmall', 'Ucircumflexsmall', 'Udieresissmall', '', + 'eightsuperior', 'fourinferior', 'threeinferior', 'sixinferior', + 'eightinferior', 'seveninferior', 'Scaronsmall', '', 'centinferior', + 'twoinferior', '', 'Dieresissmall', '', 'Caronsmall', 'osuperior', + 'fiveinferior', '', 'commainferior', 'periodinferior', 'Yacutesmall', '', + 'dollarinferior', '', 'Thornsmall', '', 'nineinferior', 'zeroinferior', + 'Zcaronsmall', 'AEsmall', 'Oslashsmall', 'questiondownsmall', + 'oneinferior', 'Lslashsmall', '', '', '', '', '', '', 'Cedillasmall', '', + '', '', '', '', 'OEsmall', 'figuredash', 'hyphensuperior', '', '', '', '', + 'exclamdownsmall', '', 'Ydieresissmall', '', 'onesuperior', 'twosuperior', + 'threesuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', + 'sevensuperior', 'ninesuperior', 'zerosuperior', '', 'esuperior', + 'rsuperior', 'tsuperior', '', '', 'isuperior', 'ssuperior', 'dsuperior', + '', '', '', '', '', 'lsuperior', 'Ogoneksmall', 'Brevesmall', + 'Macronsmall', 'bsuperior', 'nsuperior', 'msuperior', 'commasuperior', + 'periodsuperior', 'Dotaccentsmall', 'Ringsmall']; + + var MacRomanEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', '', + 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', 'Odieresis', + 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', 'atilde', + 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', + 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', + 'ograve', 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', + 'ucircumflex', 'udieresis', 'dagger', 'degree', 'cent', 'sterling', + 'section', 'bullet', 'paragraph', 'germandbls', 'registered', 'copyright', + 'trademark', 'acute', 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', + 'plusminus', 'lessequal', 'greaterequal', 'yen', 'mu', 'partialdiff', + 'summation', 'product', 'pi', 'integral', 'ordfeminine', 'ordmasculine', + 'Omega', 'ae', 'oslash', 'questiondown', 'exclamdown', 'logicalnot', + 'radical', 'florin', 'approxequal', 'Delta', 'guillemotleft', + 'guillemotright', 'ellipsis', 'space', 'Agrave', 'Atilde', 'Otilde', 'OE', + 'oe', 'endash', 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', + 'quoteright', 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', + 'currency', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', + 'periodcentered', 'quotesinglbase', 'quotedblbase', 'perthousand', + 'Acircumflex', 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', + 'Icircumflex', 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', + 'Ograve', 'Uacute', 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', + 'tilde', 'macron', 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', + 'ogonek', 'caron']; + + var StandardEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', + 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', + 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', 'exclamdown', + 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', '', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', '', 'paragraph', 'bullet', 'quotesinglbase', + 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', + 'perthousand', '', 'questiondown', '', 'grave', 'acute', 'circumflex', + 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', '', 'ring', 'cedilla', + '', 'hungarumlaut', 'ogonek', 'caron', 'emdash', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', 'AE', '', 'ordfeminine', '', '', + '', '', 'Lslash', 'Oslash', 'OE', 'ordmasculine', '', '', '', '', '', 'ae', + '', '', '', 'dotlessi', '', '', 'lslash', 'oslash', 'oe', 'germandbls']; + + var WinAnsiEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quotesingle', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', + 'four', 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', + 'less', 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', + 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', + 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', + 'asciicircum', 'underscore', 'grave', 'a', 'b', 'c', 'd', 'e', 'f', 'g', + 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', + 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', + 'bullet', 'Euro', 'bullet', 'quotesinglbase', 'florin', 'quotedblbase', + 'ellipsis', 'dagger', 'daggerdbl', 'circumflex', 'perthousand', 'Scaron', + 'guilsinglleft', 'OE', 'bullet', 'Zcaron', 'bullet', 'bullet', 'quoteleft', + 'quoteright', 'quotedblleft', 'quotedblright', 'bullet', 'endash', + 'emdash', 'tilde', 'trademark', 'scaron', 'guilsinglright', 'oe', 'bullet', + 'zcaron', 'Ydieresis', 'space', 'exclamdown', 'cent', 'sterling', + 'currency', 'yen', 'brokenbar', 'section', 'dieresis', 'copyright', + 'ordfeminine', 'guillemotleft', 'logicalnot', 'hyphen', 'registered', + 'macron', 'degree', 'plusminus', 'twosuperior', 'threesuperior', 'acute', + 'mu', 'paragraph', 'periodcentered', 'cedilla', 'onesuperior', + 'ordmasculine', 'guillemotright', 'onequarter', 'onehalf', 'threequarters', + 'questiondown', 'Agrave', 'Aacute', 'Acircumflex', 'Atilde', 'Adieresis', + 'Aring', 'AE', 'Ccedilla', 'Egrave', 'Eacute', 'Ecircumflex', 'Edieresis', + 'Igrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Eth', 'Ntilde', 'Ograve', + 'Oacute', 'Ocircumflex', 'Otilde', 'Odieresis', 'multiply', 'Oslash', + 'Ugrave', 'Uacute', 'Ucircumflex', 'Udieresis', 'Yacute', 'Thorn', + 'germandbls', 'agrave', 'aacute', 'acircumflex', 'atilde', 'adieresis', + 'aring', 'ae', 'ccedilla', 'egrave', 'eacute', 'ecircumflex', 'edieresis', + 'igrave', 'iacute', 'icircumflex', 'idieresis', 'eth', 'ntilde', 'ograve', + 'oacute', 'ocircumflex', 'otilde', 'odieresis', 'divide', 'oslash', + 'ugrave', 'uacute', 'ucircumflex', 'udieresis', 'yacute', 'thorn', + 'ydieresis']; + + var SymbolSetEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'exclam', 'universal', 'numbersign', 'existential', 'percent', + 'ampersand', 'suchthat', 'parenleft', 'parenright', 'asteriskmath', 'plus', + 'comma', 'minus', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', + 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', + 'equal', 'greater', 'question', 'congruent', 'Alpha', 'Beta', 'Chi', + 'Delta', 'Epsilon', 'Phi', 'Gamma', 'Eta', 'Iota', 'theta1', 'Kappa', + 'Lambda', 'Mu', 'Nu', 'Omicron', 'Pi', 'Theta', 'Rho', 'Sigma', 'Tau', + 'Upsilon', 'sigma1', 'Omega', 'Xi', 'Psi', 'Zeta', 'bracketleft', + 'therefore', 'bracketright', 'perpendicular', 'underscore', 'radicalex', + 'alpha', 'beta', 'chi', 'delta', 'epsilon', 'phi', 'gamma', 'eta', 'iota', + 'phi1', 'kappa', 'lambda', 'mu', 'nu', 'omicron', 'pi', 'theta', 'rho', + 'sigma', 'tau', 'upsilon', 'omega1', 'omega', 'xi', 'psi', 'zeta', + 'braceleft', 'bar', 'braceright', 'similar', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', 'Euro', 'Upsilon1', 'minute', 'lessequal', + 'fraction', 'infinity', 'florin', 'club', 'diamond', 'heart', 'spade', + 'arrowboth', 'arrowleft', 'arrowup', 'arrowright', 'arrowdown', 'degree', + 'plusminus', 'second', 'greaterequal', 'multiply', 'proportional', + 'partialdiff', 'bullet', 'divide', 'notequal', 'equivalence', + 'approxequal', 'ellipsis', 'arrowvertex', 'arrowhorizex', 'carriagereturn', + 'aleph', 'Ifraktur', 'Rfraktur', 'weierstrass', 'circlemultiply', + 'circleplus', 'emptyset', 'intersection', 'union', 'propersuperset', + 'reflexsuperset', 'notsubset', 'propersubset', 'reflexsubset', 'element', + 'notelement', 'angle', 'gradient', 'registerserif', 'copyrightserif', + 'trademarkserif', 'product', 'radical', 'dotmath', 'logicalnot', + 'logicaland', 'logicalor', 'arrowdblboth', 'arrowdblleft', 'arrowdblup', + 'arrowdblright', 'arrowdbldown', 'lozenge', 'angleleft', 'registersans', + 'copyrightsans', 'trademarksans', 'summation', 'parenlefttp', + 'parenleftex', 'parenleftbt', 'bracketlefttp', 'bracketleftex', + 'bracketleftbt', 'bracelefttp', 'braceleftmid', 'braceleftbt', 'braceex', + '', 'angleright', 'integral', 'integraltp', 'integralex', 'integralbt', + 'parenrighttp', 'parenrightex', 'parenrightbt', 'bracketrighttp', + 'bracketrightex', 'bracketrightbt', 'bracerighttp', 'bracerightmid', + 'bracerightbt']; + + var ZapfDingbatsEncoding = [ + '', '', '', '', '', '', '', '', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', '', + 'space', 'a1', 'a2', 'a202', 'a3', 'a4', 'a5', 'a119', 'a118', 'a117', + 'a11', 'a12', 'a13', 'a14', 'a15', 'a16', 'a105', 'a17', 'a18', 'a19', + 'a20', 'a21', 'a22', 'a23', 'a24', 'a25', 'a26', 'a27', 'a28', 'a6', 'a7', + 'a8', 'a9', 'a10', 'a29', 'a30', 'a31', 'a32', 'a33', 'a34', 'a35', 'a36', + 'a37', 'a38', 'a39', 'a40', 'a41', 'a42', 'a43', 'a44', 'a45', 'a46', + 'a47', 'a48', 'a49', 'a50', 'a51', 'a52', 'a53', 'a54', 'a55', 'a56', + 'a57', 'a58', 'a59', 'a60', 'a61', 'a62', 'a63', 'a64', 'a65', 'a66', + 'a67', 'a68', 'a69', 'a70', 'a71', 'a72', 'a73', 'a74', 'a203', 'a75', + 'a204', 'a76', 'a77', 'a78', 'a79', 'a81', 'a82', 'a83', 'a84', 'a97', + 'a98', 'a99', 'a100', '', 'a89', 'a90', 'a93', 'a94', 'a91', 'a92', 'a205', + 'a85', 'a206', 'a86', 'a87', 'a88', 'a95', 'a96', '', '', '', '', '', '', + '', '', '', '', '', '', '', '', '', '', '', '', '', 'a101', 'a102', 'a103', + 'a104', 'a106', 'a107', 'a108', 'a112', 'a111', 'a110', 'a109', 'a120', + 'a121', 'a122', 'a123', 'a124', 'a125', 'a126', 'a127', 'a128', 'a129', + 'a130', 'a131', 'a132', 'a133', 'a134', 'a135', 'a136', 'a137', 'a138', + 'a139', 'a140', 'a141', 'a142', 'a143', 'a144', 'a145', 'a146', 'a147', + 'a148', 'a149', 'a150', 'a151', 'a152', 'a153', 'a154', 'a155', 'a156', + 'a157', 'a158', 'a159', 'a160', 'a161', 'a163', 'a164', 'a196', 'a165', + 'a192', 'a166', 'a167', 'a168', 'a169', 'a170', 'a171', 'a172', 'a173', + 'a162', 'a174', 'a175', 'a176', 'a177', 'a178', 'a179', 'a193', 'a180', + 'a199', 'a181', 'a200', 'a182', '', 'a201', 'a183', 'a184', 'a197', 'a185', + 'a194', 'a198', 'a186', 'a195', 'a187', 'a188', 'a189', 'a190', 'a191']; + + function getEncoding(encodingName) { + switch (encodingName) { + case 'WinAnsiEncoding': + return WinAnsiEncoding; + case 'StandardEncoding': + return StandardEncoding; + case 'MacRomanEncoding': + return MacRomanEncoding; + case 'SymbolSetEncoding': + return SymbolSetEncoding; + case 'ZapfDingbatsEncoding': + return ZapfDingbatsEncoding; + case 'ExpertEncoding': + return ExpertEncoding; + case 'MacExpertEncoding': + return MacExpertEncoding; + default: + return null; + } + } + + exports.WinAnsiEncoding = WinAnsiEncoding; + exports.StandardEncoding = StandardEncoding; + exports.MacRomanEncoding = MacRomanEncoding; + exports.SymbolSetEncoding = SymbolSetEncoding; + exports.ZapfDingbatsEncoding = ZapfDingbatsEncoding; + exports.ExpertEncoding = ExpertEncoding; + exports.getEncoding = getEncoding; +})); + + +(function (root, factory) { + { + factory((root.pdfjsSharedUtil = {})); + } +}(this, function (exports) { + +var globalScope = (typeof window !== 'undefined') ? window : + (typeof global !== 'undefined') ? global : + (typeof self !== 'undefined') ? self : this; + +var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; + +var TextRenderingMode = { + FILL: 0, + STROKE: 1, + FILL_STROKE: 2, + INVISIBLE: 3, + FILL_ADD_TO_PATH: 4, + STROKE_ADD_TO_PATH: 5, + FILL_STROKE_ADD_TO_PATH: 6, + ADD_TO_PATH: 7, + FILL_STROKE_MASK: 3, + ADD_TO_PATH_FLAG: 4 +}; + +var ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; + +var AnnotationType = { + TEXT: 1, + LINK: 2, + FREETEXT: 3, + LINE: 4, + SQUARE: 5, + CIRCLE: 6, + POLYGON: 7, + POLYLINE: 8, + HIGHLIGHT: 9, + UNDERLINE: 10, + SQUIGGLY: 11, + STRIKEOUT: 12, + STAMP: 13, + CARET: 14, + INK: 15, + POPUP: 16, + FILEATTACHMENT: 17, + SOUND: 18, + MOVIE: 19, + WIDGET: 20, + SCREEN: 21, + PRINTERMARK: 22, + TRAPNET: 23, + WATERMARK: 24, + THREED: 25, + REDACT: 26 +}; + +var AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; + +var AnnotationFieldFlag = { + READONLY: 0x0000001, + REQUIRED: 0x0000002, + NOEXPORT: 0x0000004, + MULTILINE: 0x0001000, + PASSWORD: 0x0002000, + NOTOGGLETOOFF: 0x0004000, + RADIO: 0x0008000, + PUSHBUTTON: 0x0010000, + COMBO: 0x0020000, + EDIT: 0x0040000, + SORT: 0x0080000, + FILESELECT: 0x0100000, + MULTISELECT: 0x0200000, + DONOTSPELLCHECK: 0x0400000, + DONOTSCROLL: 0x0800000, + COMB: 0x1000000, + RICHTEXT: 0x2000000, + RADIOSINUNISON: 0x2000000, + COMMITONSELCHANGE: 0x4000000, +}; + +var AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; + +var StreamType = { + UNKNOWN: 0, + FLATE: 1, + LZW: 2, + DCT: 3, + JPX: 4, + JBIG: 5, + A85: 6, + AHX: 7, + CCF: 8, + RL: 9 +}; + +var FontType = { + UNKNOWN: 0, + TYPE1: 1, + TYPE1C: 2, + CIDFONTTYPE0: 3, + CIDFONTTYPE0C: 4, + TRUETYPE: 5, + CIDFONTTYPE2: 6, + TYPE3: 7, + OPENTYPE: 8, + TYPE0: 9, + MMTYPE1: 10 +}; + +var VERBOSITY_LEVELS = { + errors: 0, + warnings: 1, + infos: 5 +}; + +// All the possible operations for an operator list. +var OPS = { + // Intentionally start from 1 so it is easy to spot bad operators that will be + // 0's. + dependency: 1, + setLineWidth: 2, + setLineCap: 3, + setLineJoin: 4, + setMiterLimit: 5, + setDash: 6, + setRenderingIntent: 7, + setFlatness: 8, + setGState: 9, + save: 10, + restore: 11, + transform: 12, + moveTo: 13, + lineTo: 14, + curveTo: 15, + curveTo2: 16, + curveTo3: 17, + closePath: 18, + rectangle: 19, + stroke: 20, + closeStroke: 21, + fill: 22, + eoFill: 23, + fillStroke: 24, + eoFillStroke: 25, + closeFillStroke: 26, + closeEOFillStroke: 27, + endPath: 28, + clip: 29, + eoClip: 30, + beginText: 31, + endText: 32, + setCharSpacing: 33, + setWordSpacing: 34, + setHScale: 35, + setLeading: 36, + setFont: 37, + setTextRenderingMode: 38, + setTextRise: 39, + moveText: 40, + setLeadingMoveText: 41, + setTextMatrix: 42, + nextLine: 43, + showText: 44, + showSpacedText: 45, + nextLineShowText: 46, + nextLineSetSpacingShowText: 47, + setCharWidth: 48, + setCharWidthAndBounds: 49, + setStrokeColorSpace: 50, + setFillColorSpace: 51, + setStrokeColor: 52, + setStrokeColorN: 53, + setFillColor: 54, + setFillColorN: 55, + setStrokeGray: 56, + setFillGray: 57, + setStrokeRGBColor: 58, + setFillRGBColor: 59, + setStrokeCMYKColor: 60, + setFillCMYKColor: 61, + shadingFill: 62, + beginInlineImage: 63, + beginImageData: 64, + endInlineImage: 65, + paintXObject: 66, + markPoint: 67, + markPointProps: 68, + beginMarkedContent: 69, + beginMarkedContentProps: 70, + endMarkedContent: 71, + beginCompat: 72, + endCompat: 73, + paintFormXObjectBegin: 74, + paintFormXObjectEnd: 75, + beginGroup: 76, + endGroup: 77, + beginAnnotations: 78, + endAnnotations: 79, + beginAnnotation: 80, + endAnnotation: 81, + paintJpegXObject: 82, + paintImageMaskXObject: 83, + paintImageMaskXObjectGroup: 84, + paintImageXObject: 85, + paintInlineImageXObject: 86, + paintInlineImageXObjectGroup: 87, + paintImageXObjectRepeat: 88, + paintImageMaskXObjectRepeat: 89, + paintSolidColorImageMask: 90, + constructPath: 91 +}; + +var verbosity = VERBOSITY_LEVELS.warnings; + +function setVerbosityLevel(level) { + verbosity = level; +} + +function getVerbosityLevel() { + return verbosity; +} + +// A notice for devs. These are good for things that are helpful to devs, such +// as warning that Workers were disabled, which is important to devs but not +// end users. +function info(msg) { + if (verbosity >= VERBOSITY_LEVELS.infos) { + console.log('Info: ' + msg); + } +} + +// Non-fatal warnings. +function warn(msg) { + if (verbosity >= VERBOSITY_LEVELS.warnings) { + console.log('Warning: ' + msg); + } +} + +// Deprecated API function -- display regardless of the PDFJS.verbosity setting. +function deprecated(details) { + console.log('Deprecated API usage: ' + details); +} + +// Fatal errors that should trigger the fallback UI and halt execution by +// throwing an exception. +function error(msg) { + if (verbosity >= VERBOSITY_LEVELS.errors) { + console.log('Error: ' + msg); + console.log(backtrace()); + } + throw new Error(msg); +} + +function backtrace() { + try { + throw new Error(); + } catch (e) { + return e.stack ? e.stack.split('\n').slice(2).join('\n') : ''; + } +} + +function assert(cond, msg) { + if (!cond) { + error(msg); + } +} + +var UNSUPPORTED_FEATURES = { + unknown: 'unknown', + forms: 'forms', + javaScript: 'javaScript', + smask: 'smask', + shadingPattern: 'shadingPattern', + font: 'font' +}; + +// Checks if URLs have the same origin. For non-HTTP based URLs, returns false. +function isSameOrigin(baseUrl, otherUrl) { + try { + var base = new URL(baseUrl); + if (!base.origin || base.origin === 'null') { + return false; // non-HTTP url + } + } catch (e) { + return false; + } + + var other = new URL(otherUrl, base); + return base.origin === other.origin; +} + +// Validates if URL is safe and allowed, e.g. to avoid XSS. +function isValidUrl(url, allowRelative) { + if (!url || typeof url !== 'string') { + return false; + } + // RFC 3986 (http://tools.ietf.org/html/rfc3986#section-3.1) + // scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." ) + var protocol = /^[a-z][a-z0-9+\-.]*(?=:)/i.exec(url); + if (!protocol) { + return allowRelative; + } + protocol = protocol[0].toLowerCase(); + switch (protocol) { + case 'http': + case 'https': + case 'ftp': + case 'mailto': + case 'tel': + return true; + default: + return false; + } +} + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { value: value, + enumerable: true, + configurable: true, + writable: false }); + return value; +} + +function getLookupTableFactory(initializer) { + var lookup; + return function () { + if (initializer) { + lookup = Object.create(null); + initializer(lookup); + initializer = null; + } + return lookup; + }; +} + +var PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; + +var PasswordException = (function PasswordExceptionClosure() { + function PasswordException(msg, code) { + this.name = 'PasswordException'; + this.message = msg; + this.code = code; + } + + PasswordException.prototype = new Error(); + PasswordException.constructor = PasswordException; + + return PasswordException; +})(); + +var UnknownErrorException = (function UnknownErrorExceptionClosure() { + function UnknownErrorException(msg, details) { + this.name = 'UnknownErrorException'; + this.message = msg; + this.details = details; + } + + UnknownErrorException.prototype = new Error(); + UnknownErrorException.constructor = UnknownErrorException; + + return UnknownErrorException; +})(); + +var InvalidPDFException = (function InvalidPDFExceptionClosure() { + function InvalidPDFException(msg) { + this.name = 'InvalidPDFException'; + this.message = msg; + } + + InvalidPDFException.prototype = new Error(); + InvalidPDFException.constructor = InvalidPDFException; + + return InvalidPDFException; +})(); + +var MissingPDFException = (function MissingPDFExceptionClosure() { + function MissingPDFException(msg) { + this.name = 'MissingPDFException'; + this.message = msg; + } + + MissingPDFException.prototype = new Error(); + MissingPDFException.constructor = MissingPDFException; + + return MissingPDFException; +})(); + +var UnexpectedResponseException = + (function UnexpectedResponseExceptionClosure() { + function UnexpectedResponseException(msg, status) { + this.name = 'UnexpectedResponseException'; + this.message = msg; + this.status = status; + } + + UnexpectedResponseException.prototype = new Error(); + UnexpectedResponseException.constructor = UnexpectedResponseException; + + return UnexpectedResponseException; +})(); + +var NotImplementedException = (function NotImplementedExceptionClosure() { + function NotImplementedException(msg) { + this.message = msg; + } + + NotImplementedException.prototype = new Error(); + NotImplementedException.prototype.name = 'NotImplementedException'; + NotImplementedException.constructor = NotImplementedException; + + return NotImplementedException; +})(); + +var MissingDataException = (function MissingDataExceptionClosure() { + function MissingDataException(begin, end) { + this.begin = begin; + this.end = end; + this.message = 'Missing data [' + begin + ', ' + end + ')'; + } + + MissingDataException.prototype = new Error(); + MissingDataException.prototype.name = 'MissingDataException'; + MissingDataException.constructor = MissingDataException; + + return MissingDataException; +})(); + +var XRefParseException = (function XRefParseExceptionClosure() { + function XRefParseException(msg) { + this.message = msg; + } + + XRefParseException.prototype = new Error(); + XRefParseException.prototype.name = 'XRefParseException'; + XRefParseException.constructor = XRefParseException; + + return XRefParseException; +})(); + +var NullCharactersRegExp = /\x00/g; + +function removeNullCharacters(str) { + if (typeof str !== 'string') { + warn('The argument for removeNullCharacters must be a string.'); + return str; + } + return str.replace(NullCharactersRegExp, ''); +} + +function bytesToString(bytes) { + assert(bytes !== null && typeof bytes === 'object' && + bytes.length !== undefined, 'Invalid argument for bytesToString'); + var length = bytes.length; + var MAX_ARGUMENT_COUNT = 8192; + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + var strBuf = []; + for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + var chunk = bytes.subarray(i, chunkEnd); + strBuf.push(String.fromCharCode.apply(null, chunk)); + } + return strBuf.join(''); +} + +function stringToBytes(str) { + assert(typeof str === 'string', 'Invalid argument for stringToBytes'); + var length = str.length; + var bytes = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + bytes[i] = str.charCodeAt(i) & 0xFF; + } + return bytes; +} + +/** + * Gets length of the array (Array, Uint8Array, or string) in bytes. + * @param {Array|Uint8Array|string} arr + * @returns {number} + */ +function arrayByteLength(arr) { + if (arr.length !== undefined) { + return arr.length; + } + assert(arr.byteLength !== undefined); + return arr.byteLength; +} + +/** + * Combines array items (arrays) into single Uint8Array object. + * @param {Array} arr - the array of the arrays (Array, Uint8Array, or string). + * @returns {Uint8Array} + */ +function arraysToBytes(arr) { + // Shortcut: if first and only item is Uint8Array, return it. + if (arr.length === 1 && (arr[0] instanceof Uint8Array)) { + return arr[0]; + } + var resultLength = 0; + var i, ii = arr.length; + var item, itemLength ; + for (i = 0; i < ii; i++) { + item = arr[i]; + itemLength = arrayByteLength(item); + resultLength += itemLength; + } + var pos = 0; + var data = new Uint8Array(resultLength); + for (i = 0; i < ii; i++) { + item = arr[i]; + if (!(item instanceof Uint8Array)) { + if (typeof item === 'string') { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + itemLength = item.byteLength; + data.set(item, pos); + pos += itemLength; + } + return data; +} + +function string32(value) { + return String.fromCharCode((value >> 24) & 0xff, (value >> 16) & 0xff, + (value >> 8) & 0xff, value & 0xff); +} + +function log2(x) { + var n = 1, i = 0; + while (x > n) { + n <<= 1; + i++; + } + return i; +} + +function readInt8(data, start) { + return (data[start] << 24) >> 24; +} + +function readUint16(data, offset) { + return (data[offset] << 8) | data[offset + 1]; +} + +function readUint32(data, offset) { + return ((data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]) >>> 0; +} + +// Lazy test the endianness of the platform +// NOTE: This will be 'true' for simulated TypedArrays +function isLittleEndian() { + var buffer8 = new Uint8Array(2); + buffer8[0] = 1; + var buffer16 = new Uint16Array(buffer8.buffer); + return (buffer16[0] === 1); +} + +// Checks if it's possible to eval JS expressions. +function isEvalSupported() { + try { + /* jshint evil: true */ + new Function(''); + return true; + } catch (e) { + return false; + } +} + +var Uint32ArrayView = (function Uint32ArrayViewClosure() { + + function Uint32ArrayView(buffer, length) { + this.buffer = buffer; + this.byteLength = buffer.length; + this.length = length === undefined ? (this.byteLength >> 2) : length; + ensureUint32ArrayViewProps(this.length); + } + Uint32ArrayView.prototype = Object.create(null); + + var uint32ArrayViewSetters = 0; + function createUint32ArrayProp(index) { + return { + get: function () { + var buffer = this.buffer, offset = index << 2; + return (buffer[offset] | (buffer[offset + 1] << 8) | + (buffer[offset + 2] << 16) | (buffer[offset + 3] << 24)) >>> 0; + }, + set: function (value) { + var buffer = this.buffer, offset = index << 2; + buffer[offset] = value & 255; + buffer[offset + 1] = (value >> 8) & 255; + buffer[offset + 2] = (value >> 16) & 255; + buffer[offset + 3] = (value >>> 24) & 255; + } + }; + } + + function ensureUint32ArrayViewProps(length) { + while (uint32ArrayViewSetters < length) { + Object.defineProperty(Uint32ArrayView.prototype, + uint32ArrayViewSetters, + createUint32ArrayProp(uint32ArrayViewSetters)); + uint32ArrayViewSetters++; + } + } + + return Uint32ArrayView; +})(); + +exports.Uint32ArrayView = Uint32ArrayView; + +var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; + +var Util = (function UtilClosure() { + function Util() {} + + var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; + + // makeCssRgb() can be called thousands of times. Using |rgbBuf| avoids + // creating many intermediate strings. + Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(''); + }; + + // Concatenates two transformation matrices together and returns the result. + Util.transform = function Util_transform(m1, m2) { + return [ + m1[0] * m2[0] + m1[2] * m2[1], + m1[1] * m2[0] + m1[3] * m2[1], + m1[0] * m2[2] + m1[2] * m2[3], + m1[1] * m2[2] + m1[3] * m2[3], + m1[0] * m2[4] + m1[2] * m2[5] + m1[4], + m1[1] * m2[4] + m1[3] * m2[5] + m1[5] + ]; + }; + + // For 2d affine transforms + Util.applyTransform = function Util_applyTransform(p, m) { + var xt = p[0] * m[0] + p[1] * m[2] + m[4]; + var yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + }; + + Util.applyInverseTransform = function Util_applyInverseTransform(p, m) { + var d = m[0] * m[3] - m[1] * m[2]; + var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + }; + + // Applies the transform to the rectangle and finds the minimum axially + // aligned bounding box. + Util.getAxialAlignedBoundingBox = + function Util_getAxialAlignedBoundingBox(r, m) { + + var p1 = Util.applyTransform(r, m); + var p2 = Util.applyTransform(r.slice(2, 4), m); + var p3 = Util.applyTransform([r[0], r[3]], m); + var p4 = Util.applyTransform([r[2], r[1]], m); + return [ + Math.min(p1[0], p2[0], p3[0], p4[0]), + Math.min(p1[1], p2[1], p3[1], p4[1]), + Math.max(p1[0], p2[0], p3[0], p4[0]), + Math.max(p1[1], p2[1], p3[1], p4[1]) + ]; + }; + + Util.inverseTransform = function Util_inverseTransform(m) { + var d = m[0] * m[3] - m[1] * m[2]; + return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, + (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d]; + }; + + // Apply a generic 3d matrix M on a 3-vector v: + // | a b c | | X | + // | d e f | x | Y | + // | g h i | | Z | + // M is assumed to be serialized as [a,b,c,d,e,f,g,h,i], + // with v as [X,Y,Z] + Util.apply3dTransform = function Util_apply3dTransform(m, v) { + return [ + m[0] * v[0] + m[1] * v[1] + m[2] * v[2], + m[3] * v[0] + m[4] * v[1] + m[5] * v[2], + m[6] * v[0] + m[7] * v[1] + m[8] * v[2] + ]; + }; + + // This calculation uses Singular Value Decomposition. + // The SVD can be represented with formula A = USV. We are interested in the + // matrix S here because it represents the scale values. + Util.singularValueDecompose2dScale = + function Util_singularValueDecompose2dScale(m) { + + var transpose = [m[0], m[2], m[1], m[3]]; + + // Multiply matrix m with its transpose. + var a = m[0] * transpose[0] + m[1] * transpose[2]; + var b = m[0] * transpose[1] + m[1] * transpose[3]; + var c = m[2] * transpose[0] + m[3] * transpose[2]; + var d = m[2] * transpose[1] + m[3] * transpose[3]; + + // Solve the second degree polynomial to get roots. + var first = (a + d) / 2; + var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + var sx = first + second || 1; + var sy = first - second || 1; + + // Scale values are the square roots of the eigenvalues. + return [Math.sqrt(sx), Math.sqrt(sy)]; + }; + + // Normalize rectangle rect=[x1, y1, x2, y2] so that (x1,y1) < (x2,y2) + // For coordinate systems whose origin lies in the bottom-left, this + // means normalization to (BL,TR) ordering. For systems with origin in the + // top-left, this means (TL,BR) ordering. + Util.normalizeRect = function Util_normalizeRect(rect) { + var r = rect.slice(0); // clone rect + if (rect[0] > rect[2]) { + r[0] = rect[2]; + r[2] = rect[0]; + } + if (rect[1] > rect[3]) { + r[1] = rect[3]; + r[3] = rect[1]; + } + return r; + }; + + // Returns a rectangle [x1, y1, x2, y2] corresponding to the + // intersection of rect1 and rect2. If no intersection, returns 'false' + // The rectangle coordinates of rect1, rect2 should be [x1, y1, x2, y2] + Util.intersect = function Util_intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + // Order points along the axes + var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare), + orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare), + result = []; + + rect1 = Util.normalizeRect(rect1); + rect2 = Util.normalizeRect(rect2); + + // X: first and second points belong to different rectangles? + if ((orderedX[0] === rect1[0] && orderedX[1] === rect2[0]) || + (orderedX[0] === rect2[0] && orderedX[1] === rect1[0])) { + // Intersection must be between second and third points + result[0] = orderedX[1]; + result[2] = orderedX[2]; + } else { + return false; + } + + // Y: first and second points belong to different rectangles? + if ((orderedY[0] === rect1[1] && orderedY[1] === rect2[1]) || + (orderedY[0] === rect2[1] && orderedY[1] === rect1[1])) { + // Intersection must be between second and third points + result[1] = orderedY[1]; + result[3] = orderedY[2]; + } else { + return false; + } + + return result; + }; + + Util.sign = function Util_sign(num) { + return num < 0 ? -1 : 1; + }; + + var ROMAN_NUMBER_MAP = [ + '', 'C', 'CC', 'CCC', 'CD', 'D', 'DC', 'DCC', 'DCCC', 'CM', + '', 'X', 'XX', 'XXX', 'XL', 'L', 'LX', 'LXX', 'LXXX', 'XC', + '', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX' + ]; + /** + * Converts positive integers to (upper case) Roman numerals. + * @param {integer} number - The number that should be converted. + * @param {boolean} lowerCase - Indicates if the result should be converted + * to lower case letters. The default is false. + * @return {string} The resulting Roman number. + */ + Util.toRoman = function Util_toRoman(number, lowerCase) { + assert(isInt(number) && number > 0, + 'The number should be a positive integer.'); + var pos, romanBuf = []; + // Thousands + while (number >= 1000) { + number -= 1000; + romanBuf.push('M'); + } + // Hundreds + pos = (number / 100) | 0; + number %= 100; + romanBuf.push(ROMAN_NUMBER_MAP[pos]); + // Tens + pos = (number / 10) | 0; + number %= 10; + romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); + // Ones + romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); + + var romanStr = romanBuf.join(''); + return (lowerCase ? romanStr.toLowerCase() : romanStr); + }; + + Util.appendToArray = function Util_appendToArray(arr1, arr2) { + Array.prototype.push.apply(arr1, arr2); + }; + + Util.prependToArray = function Util_prependToArray(arr1, arr2) { + Array.prototype.unshift.apply(arr1, arr2); + }; + + Util.extendObj = function extendObj(obj1, obj2) { + for (var key in obj2) { + obj1[key] = obj2[key]; + } + }; + + Util.getInheritableProperty = function Util_getInheritableProperty(dict, + name) { + while (dict && !dict.has(name)) { + dict = dict.get('Parent'); + } + if (!dict) { + return null; + } + return dict.get(name); + }; + + Util.inherit = function Util_inherit(sub, base, prototype) { + sub.prototype = Object.create(base.prototype); + sub.prototype.constructor = sub; + for (var prop in prototype) { + sub.prototype[prop] = prototype[prop]; + } + }; + + Util.loadScript = function Util_loadScript(src, callback) { + var script = document.createElement('script'); + var loaded = false; + script.setAttribute('src', src); + if (callback) { + script.onload = function() { + if (!loaded) { + callback(); + } + loaded = true; + }; + } + document.getElementsByTagName('head')[0].appendChild(script); + }; + + return Util; +})(); + +/** + * PDF page viewport created based on scale, rotation and offset. + * @class + * @alias PageViewport + */ +var PageViewport = (function PageViewportClosure() { + /** + * @constructor + * @private + * @param viewBox {Array} xMin, yMin, xMax and yMax coordinates. + * @param scale {number} scale of the viewport. + * @param rotation {number} rotations of the viewport in degrees. + * @param offsetX {number} offset X + * @param offsetY {number} offset Y + * @param dontFlip {boolean} if true, axis Y will not be flipped. + */ + function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + + // creating transform to convert pdf coordinate system to the normal + // canvas like coordinates taking in account scale and rotation + var centerX = (viewBox[2] + viewBox[0]) / 2; + var centerY = (viewBox[3] + viewBox[1]) / 2; + var rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + switch (rotation) { + case 180: + rotateA = -1; rotateB = 0; rotateC = 0; rotateD = 1; + break; + case 90: + rotateA = 0; rotateB = 1; rotateC = 1; rotateD = 0; + break; + case 270: + rotateA = 0; rotateB = -1; rotateC = -1; rotateD = 0; + break; + //case 0: + default: + rotateA = 1; rotateB = 0; rotateC = 0; rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; rotateD = -rotateD; + } + + var offsetCanvasX, offsetCanvasY; + var width, height; + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + // creating transform for the following operations: + // translate(-centerX, -centerY), rotate and flip vertically, + // scale, and translate(offsetCanvasX, offsetCanvasY) + this.transform = [ + rotateA * scale, + rotateB * scale, + rotateC * scale, + rotateD * scale, + offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, + offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY + ]; + + this.width = width; + this.height = height; + this.fontScale = scale; + } + PageViewport.prototype = /** @lends PageViewport.prototype */ { + /** + * Clones viewport with additional properties. + * @param args {Object} (optional) If specified, may contain the 'scale' or + * 'rotation' properties to override the corresponding properties in + * the cloned viewport. + * @returns {PageViewport} Cloned viewport. + */ + clone: function PageViewPort_clone(args) { + args = args || {}; + var scale = 'scale' in args ? args.scale : this.scale; + var rotation = 'rotation' in args ? args.rotation : this.rotation; + return new PageViewport(this.viewBox.slice(), scale, rotation, + this.offsetX, this.offsetY, args.dontFlip); + }, + /** + * Converts PDF point to the viewport coordinates. For examples, useful for + * converting PDF location into canvas pixel coordinates. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the viewport coordinate space. + * @see {@link convertToPdfPoint} + * @see {@link convertToViewportRectangle} + */ + convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) { + return Util.applyTransform([x, y], this.transform); + }, + /** + * Converts PDF rectangle to the viewport coordinates. + * @param rect {Array} xMin, yMin, xMax and yMax coordinates. + * @returns {Array} Contains corresponding coordinates of the rectangle + * in the viewport coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToViewportRectangle: + function PageViewport_convertToViewportRectangle(rect) { + var tl = Util.applyTransform([rect[0], rect[1]], this.transform); + var br = Util.applyTransform([rect[2], rect[3]], this.transform); + return [tl[0], tl[1], br[0], br[1]]; + }, + /** + * Converts viewport coordinates to the PDF location. For examples, useful + * for converting canvas pixel location into PDF one. + * @param x {number} X coordinate. + * @param y {number} Y coordinate. + * @returns {Object} Object that contains 'x' and 'y' properties of the + * point in the PDF coordinate space. + * @see {@link convertToViewportPoint} + */ + convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) { + return Util.applyInverseTransform([x, y], this.transform); + } + }; + return PageViewport; +})(); + +var PDFStringTranslateTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, + 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, + 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, + 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC +]; + +function stringToPDFString(str) { + var i, n = str.length, strBuf = []; + if (str[0] === '\xFE' && str[1] === '\xFF') { + // UTF16BE BOM + for (i = 2; i < n; i += 2) { + strBuf.push(String.fromCharCode( + (str.charCodeAt(i) << 8) | str.charCodeAt(i + 1))); + } + } else { + for (i = 0; i < n; ++i) { + var code = PDFStringTranslateTable[str.charCodeAt(i)]; + strBuf.push(code ? String.fromCharCode(code) : str.charAt(i)); + } + } + return strBuf.join(''); +} + +function stringToUTF8String(str) { + return decodeURIComponent(escape(str)); +} + +function utf8StringToString(str) { + return unescape(encodeURIComponent(str)); +} + +function isEmptyObj(obj) { + for (var key in obj) { + return false; + } + return true; +} + +function isBool(v) { + return typeof v === 'boolean'; +} + +function isInt(v) { + return typeof v === 'number' && ((v | 0) === v); +} + +function isNum(v) { + return typeof v === 'number'; +} + +function isString(v) { + return typeof v === 'string'; +} + +function isArray(v) { + return v instanceof Array; +} + +function isArrayBuffer(v) { + return typeof v === 'object' && v !== null && v.byteLength !== undefined; +} + +// Checks if ch is one of the following characters: SPACE, TAB, CR or LF. +function isSpace(ch) { + return (ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A); +} + +/** + * Promise Capability object. + * + * @typedef {Object} PromiseCapability + * @property {Promise} promise - A promise object. + * @property {function} resolve - Fulfills the promise. + * @property {function} reject - Rejects the promise. + */ + +/** + * Creates a promise capability object. + * @alias createPromiseCapability + * + * @return {PromiseCapability} A capability object contains: + * - a Promise, resolve and reject methods. + */ +function createPromiseCapability() { + var capability = {}; + capability.promise = new Promise(function (resolve, reject) { + capability.resolve = resolve; + capability.reject = reject; + }); + return capability; +} + +/** + * Polyfill for Promises: + * The following promise implementation tries to generally implement the + * Promise/A+ spec. Some notable differences from other promise libraries are: + * - There currently isn't a separate deferred and promise object. + * - Unhandled rejections eventually show an error if they aren't handled. + * + * Based off of the work in: + * https://bugzilla.mozilla.org/show_bug.cgi?id=810490 + */ +(function PromiseClosure() { + if (globalScope.Promise) { + // Promises existing in the DOM/Worker, checking presence of all/resolve + if (typeof globalScope.Promise.all !== 'function') { + globalScope.Promise.all = function (iterable) { + var count = 0, results = [], resolve, reject; + var promise = new globalScope.Promise(function (resolve_, reject_) { + resolve = resolve_; + reject = reject_; + }); + iterable.forEach(function (p, i) { + count++; + p.then(function (result) { + results[i] = result; + count--; + if (count === 0) { + resolve(results); + } + }, reject); + }); + if (count === 0) { + resolve(results); + } + return promise; + }; + } + if (typeof globalScope.Promise.resolve !== 'function') { + globalScope.Promise.resolve = function (value) { + return new globalScope.Promise(function (resolve) { resolve(value); }); + }; + } + if (typeof globalScope.Promise.reject !== 'function') { + globalScope.Promise.reject = function (reason) { + return new globalScope.Promise(function (resolve, reject) { + reject(reason); + }); + }; + } + if (typeof globalScope.Promise.prototype.catch !== 'function') { + globalScope.Promise.prototype.catch = function (onReject) { + return globalScope.Promise.prototype.then(undefined, onReject); + }; + } + return; + } + var STATUS_PENDING = 0; + var STATUS_RESOLVED = 1; + var STATUS_REJECTED = 2; + + // In an attempt to avoid silent exceptions, unhandled rejections are + // tracked and if they aren't handled in a certain amount of time an + // error is logged. + var REJECTION_TIMEOUT = 500; + + var HandlerManager = { + handlers: [], + running: false, + unhandledRejections: [], + pendingRejectionCheck: false, + + scheduleHandlers: function scheduleHandlers(promise) { + if (promise._status === STATUS_PENDING) { + return; + } + + this.handlers = this.handlers.concat(promise._handlers); + promise._handlers = []; + + if (this.running) { + return; + } + this.running = true; + + setTimeout(this.runHandlers.bind(this), 0); + }, + + runHandlers: function runHandlers() { + var RUN_TIMEOUT = 1; // ms + var timeoutAt = Date.now() + RUN_TIMEOUT; + while (this.handlers.length > 0) { + var handler = this.handlers.shift(); + + var nextStatus = handler.thisPromise._status; + var nextValue = handler.thisPromise._value; + + try { + if (nextStatus === STATUS_RESOLVED) { + if (typeof handler.onResolve === 'function') { + nextValue = handler.onResolve(nextValue); + } + } else if (typeof handler.onReject === 'function') { + nextValue = handler.onReject(nextValue); + nextStatus = STATUS_RESOLVED; + + if (handler.thisPromise._unhandledRejection) { + this.removeUnhandeledRejection(handler.thisPromise); + } + } + } catch (ex) { + nextStatus = STATUS_REJECTED; + nextValue = ex; + } + + handler.nextPromise._updateStatus(nextStatus, nextValue); + if (Date.now() >= timeoutAt) { + break; + } + } + + if (this.handlers.length > 0) { + setTimeout(this.runHandlers.bind(this), 0); + return; + } + + this.running = false; + }, + + addUnhandledRejection: function addUnhandledRejection(promise) { + this.unhandledRejections.push({ + promise: promise, + time: Date.now() + }); + this.scheduleRejectionCheck(); + }, + + removeUnhandeledRejection: function removeUnhandeledRejection(promise) { + promise._unhandledRejection = false; + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (this.unhandledRejections[i].promise === promise) { + this.unhandledRejections.splice(i); + i--; + } + } + }, + + scheduleRejectionCheck: function scheduleRejectionCheck() { + if (this.pendingRejectionCheck) { + return; + } + this.pendingRejectionCheck = true; + setTimeout(function rejectionCheck() { + this.pendingRejectionCheck = false; + var now = Date.now(); + for (var i = 0; i < this.unhandledRejections.length; i++) { + if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) { + var unhandled = this.unhandledRejections[i].promise._value; + var msg = 'Unhandled rejection: ' + unhandled; + if (unhandled.stack) { + msg += '\n' + unhandled.stack; + } + warn(msg); + this.unhandledRejections.splice(i); + i--; + } + } + if (this.unhandledRejections.length) { + this.scheduleRejectionCheck(); + } + }.bind(this), REJECTION_TIMEOUT); + } + }; + + function Promise(resolver) { + this._status = STATUS_PENDING; + this._handlers = []; + try { + resolver.call(this, this._resolve.bind(this), this._reject.bind(this)); + } catch (e) { + this._reject(e); + } + } + /** + * Builds a promise that is resolved when all the passed in promises are + * resolved. + * @param {array} promises array of data and/or promises to wait for. + * @return {Promise} New dependent promise. + */ + Promise.all = function Promise_all(promises) { + var resolveAll, rejectAll; + var deferred = new Promise(function (resolve, reject) { + resolveAll = resolve; + rejectAll = reject; + }); + var unresolved = promises.length; + var results = []; + if (unresolved === 0) { + resolveAll(results); + return deferred; + } + function reject(reason) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results = []; + rejectAll(reason); + } + for (var i = 0, ii = promises.length; i < ii; ++i) { + var promise = promises[i]; + var resolve = (function(i) { + return function(value) { + if (deferred._status === STATUS_REJECTED) { + return; + } + results[i] = value; + unresolved--; + if (unresolved === 0) { + resolveAll(results); + } + }; + })(i); + if (Promise.isPromise(promise)) { + promise.then(resolve, reject); + } else { + resolve(promise); + } + } + return deferred; + }; + + /** + * Checks if the value is likely a promise (has a 'then' function). + * @return {boolean} true if value is thenable + */ + Promise.isPromise = function Promise_isPromise(value) { + return value && typeof value.then === 'function'; + }; + + /** + * Creates resolved promise + * @param value resolve value + * @returns {Promise} + */ + Promise.resolve = function Promise_resolve(value) { + return new Promise(function (resolve) { resolve(value); }); + }; + + /** + * Creates rejected promise + * @param reason rejection value + * @returns {Promise} + */ + Promise.reject = function Promise_reject(reason) { + return new Promise(function (resolve, reject) { reject(reason); }); + }; + + Promise.prototype = { + _status: null, + _value: null, + _handlers: null, + _unhandledRejection: null, + + _updateStatus: function Promise__updateStatus(status, value) { + if (this._status === STATUS_RESOLVED || + this._status === STATUS_REJECTED) { + return; + } + + if (status === STATUS_RESOLVED && + Promise.isPromise(value)) { + value.then(this._updateStatus.bind(this, STATUS_RESOLVED), + this._updateStatus.bind(this, STATUS_REJECTED)); + return; + } + + this._status = status; + this._value = value; + + if (status === STATUS_REJECTED && this._handlers.length === 0) { + this._unhandledRejection = true; + HandlerManager.addUnhandledRejection(this); + } + + HandlerManager.scheduleHandlers(this); + }, + + _resolve: function Promise_resolve(value) { + this._updateStatus(STATUS_RESOLVED, value); + }, + + _reject: function Promise_reject(reason) { + this._updateStatus(STATUS_REJECTED, reason); + }, + + then: function Promise_then(onResolve, onReject) { + var nextPromise = new Promise(function (resolve, reject) { + this.resolve = resolve; + this.reject = reject; + }); + this._handlers.push({ + thisPromise: this, + onResolve: onResolve, + onReject: onReject, + nextPromise: nextPromise + }); + HandlerManager.scheduleHandlers(this); + return nextPromise; + }, + + catch: function Promise_catch(onReject) { + return this.then(undefined, onReject); + } + }; + + globalScope.Promise = Promise; +})(); + +(function WeakMapClosure() { + if (globalScope.WeakMap) { + return; + } + + var id = 0; + function WeakMap() { + this.id = '$weakmap' + (id++); + } + WeakMap.prototype = { + has: function(obj) { + return !!Object.getOwnPropertyDescriptor(obj, this.id); + }, + get: function(obj, defaultValue) { + return this.has(obj) ? obj[this.id] : defaultValue; + }, + set: function(obj, value) { + Object.defineProperty(obj, this.id, { + value: value, + enumerable: false, + configurable: true + }); + }, + delete: function(obj) { + delete obj[this.id]; + } + }; + + globalScope.WeakMap = WeakMap; +})(); + +var StatTimer = (function StatTimerClosure() { + function rpad(str, pad, length) { + while (str.length < length) { + str += pad; + } + return str; + } + function StatTimer() { + this.started = Object.create(null); + this.times = []; + this.enabled = true; + } + StatTimer.prototype = { + time: function StatTimer_time(name) { + if (!this.enabled) { + return; + } + if (name in this.started) { + warn('Timer is already running for ' + name); + } + this.started[name] = Date.now(); + }, + timeEnd: function StatTimer_timeEnd(name) { + if (!this.enabled) { + return; + } + if (!(name in this.started)) { + warn('Timer has not been started for ' + name); + } + this.times.push({ + 'name': name, + 'start': this.started[name], + 'end': Date.now() + }); + // Remove timer from started so it can be called again. + delete this.started[name]; + }, + toString: function StatTimer_toString() { + var i, ii; + var times = this.times; + var out = ''; + // Find the longest name for padding purposes. + var longest = 0; + for (i = 0, ii = times.length; i < ii; ++i) { + var name = times[i]['name']; + if (name.length > longest) { + longest = name.length; + } + } + for (i = 0, ii = times.length; i < ii; ++i) { + var span = times[i]; + var duration = span.end - span.start; + out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n'; + } + return out; + } + }; + return StatTimer; +})(); + +var createBlob = function createBlob(data, contentType) { + if (typeof Blob !== 'undefined') { + return new Blob([data], { type: contentType }); + } + warn('The "Blob" constructor is not supported.'); +}; + +var createObjectURL = (function createObjectURLClosure() { + // Blob/createObjectURL is not available, falling back to data schema. + var digits = + 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; + + return function createObjectURL(data, contentType, forceDataSchema) { + if (!forceDataSchema && + typeof URL !== 'undefined' && URL.createObjectURL) { + var blob = createBlob(data, contentType); + return URL.createObjectURL(blob); + } + + var buffer = 'data:' + contentType + ';base64,'; + for (var i = 0, ii = data.length; i < ii; i += 3) { + var b1 = data[i] & 0xFF; + var b2 = data[i + 1] & 0xFF; + var b3 = data[i + 2] & 0xFF; + var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4); + var d3 = i + 1 < ii ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64; + var d4 = i + 2 < ii ? (b3 & 0x3F) : 64; + buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4]; + } + return buffer; + }; +})(); + +function MessageHandler(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackIndex = 1; + this.postMessageTransfers = true; + var callbacksCapabilities = this.callbacksCapabilities = Object.create(null); + var ah = this.actionHandler = Object.create(null); + + this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) { + var data = event.data; + if (data.targetName !== this.sourceName) { + return; + } + if (data.isReply) { + var callbackId = data.callbackId; + if (data.callbackId in callbacksCapabilities) { + var callback = callbacksCapabilities[callbackId]; + delete callbacksCapabilities[callbackId]; + if ('error' in data) { + callback.reject(data.error); + } else { + callback.resolve(data.data); + } + } else { + error('Cannot resolve callback ' + callbackId); + } + } else if (data.action in ah) { + var action = ah[data.action]; + if (data.callbackId) { + var sourceName = this.sourceName; + var targetName = data.sourceName; + Promise.resolve().then(function () { + return action[0].call(action[1], data.data); + }).then(function (result) { + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + if (reason instanceof Error) { + // Serialize error to avoid "DataCloneError" + reason = reason + ''; + } + comObj.postMessage({ + sourceName: sourceName, + targetName: targetName, + isReply: true, + callbackId: data.callbackId, + error: reason + }); + }); + } else { + action[0].call(action[1], data.data); + } + } else { + error('Unknown action from worker: ' + data.action); + } + }.bind(this); + comObj.addEventListener('message', this._onComObjOnMessage); +} + +MessageHandler.prototype = { + on: function messageHandlerOn(actionName, handler, scope) { + var ah = this.actionHandler; + if (ah[actionName]) { + error('There is already an actionName called "' + actionName + '"'); + } + ah[actionName] = [handler, scope]; + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers + */ + send: function messageHandlerSend(actionName, data, transfers) { + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data + }; + this.postMessage(message, transfers); + }, + /** + * Sends a message to the comObj to invoke the action with the supplied data. + * Expects that other side will callback with the response. + * @param {String} actionName Action to call. + * @param {JSON} data JSON data to send. + * @param {Array} [transfers] Optional list of transfers/ArrayBuffers. + * @returns {Promise} Promise to be resolved with response data. + */ + sendWithPromise: + function messageHandlerSendWithPromise(actionName, data, transfers) { + var callbackId = this.callbackIndex++; + var message = { + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data: data, + callbackId: callbackId + }; + var capability = createPromiseCapability(); + this.callbacksCapabilities[callbackId] = capability; + try { + this.postMessage(message, transfers); + } catch (e) { + capability.reject(e); + } + return capability.promise; + }, + /** + * Sends raw message to the comObj. + * @private + * @param message {Object} Raw message. + * @param transfers List of transfers/ArrayBuffers, or undefined. + */ + postMessage: function (message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + }, + + destroy: function () { + this.comObj.removeEventListener('message', this._onComObjOnMessage); + } +}; + +function loadJpegStream(id, imageUrl, objs) { + var img = new Image(); + img.onload = (function loadJpegStream_onloadClosure() { + objs.resolve(id, img); + }); + img.onerror = (function loadJpegStream_onerrorClosure() { + objs.resolve(id, null); + warn('Error during JPEG image loading'); + }); + img.src = imageUrl; +} + + // Polyfill from https://github.com/Polymer/URL +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ +(function checkURLConstructor(scope) { + // feature detect for URL constructor + var hasWorkingUrl = false; + try { + if (typeof URL === 'function' && + typeof URL.prototype === 'object' && + ('origin' in URL.prototype)) { + var u = new URL('b', 'http://a'); + u.pathname = 'c%20d'; + hasWorkingUrl = u.href === 'http://a/c%20d'; + } + } catch(e) { } + + if (hasWorkingUrl) { + return; + } + + var relative = Object.create(null); + relative['ftp'] = 21; + relative['file'] = 0; + relative['gopher'] = 70; + relative['http'] = 80; + relative['https'] = 443; + relative['ws'] = 80; + relative['wss'] = 443; + + var relativePathDotMapping = Object.create(null); + relativePathDotMapping['%2e'] = '.'; + relativePathDotMapping['.%2e'] = '..'; + relativePathDotMapping['%2e.'] = '..'; + relativePathDotMapping['%2e%2e'] = '..'; + + function isRelativeScheme(scheme) { + return relative[scheme] !== undefined; + } + + function invalid() { + clear.call(this); + this._isInvalid = true; + } + + function IDNAToASCII(h) { + if ('' === h) { + invalid.call(this); + } + // XXX + return h.toLowerCase(); + } + + function percentEscape(c) { + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ? ` + [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + function percentEscapeQuery(c) { + // XXX This actually needs to encode c using encoding and then + // convert the bytes one-by-one. + + var unicode = c.charCodeAt(0); + if (unicode > 0x20 && + unicode < 0x7F && + // " # < > ` (do not escape '?') + [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1 + ) { + return c; + } + return encodeURIComponent(c); + } + + var EOF, ALPHA = /[a-zA-Z]/, + ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/; + + function parse(input, stateOverride, base) { + function err(message) { + errors.push(message); + } + + var state = stateOverride || 'scheme start', + cursor = 0, + buffer = '', + seenAt = false, + seenBracket = false, + errors = []; + + loop: while ((input[cursor - 1] !== EOF || cursor === 0) && + !this._isInvalid) { + var c = input[cursor]; + switch (state) { + case 'scheme start': + if (c && ALPHA.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + state = 'scheme'; + } else if (!stateOverride) { + buffer = ''; + state = 'no scheme'; + continue; + } else { + err('Invalid scheme.'); + break loop; + } + break; + + case 'scheme': + if (c && ALPHANUMERIC.test(c)) { + buffer += c.toLowerCase(); // ASCII-safe + } else if (':' === c) { + this._scheme = buffer; + buffer = ''; + if (stateOverride) { + break loop; + } + if (isRelativeScheme(this._scheme)) { + this._isRelative = true; + } + if ('file' === this._scheme) { + state = 'relative'; + } else if (this._isRelative && base && + base._scheme === this._scheme) { + state = 'relative or authority'; + } else if (this._isRelative) { + state = 'authority first slash'; + } else { + state = 'scheme data'; + } + } else if (!stateOverride) { + buffer = ''; + cursor = 0; + state = 'no scheme'; + continue; + } else if (EOF === c) { + break loop; + } else { + err('Code point not allowed in scheme: ' + c); + break loop; + } + break; + + case 'scheme data': + if ('?' === c) { + this._query = '?'; + state = 'query'; + } else if ('#' === c) { + this._fragment = '#'; + state = 'fragment'; + } else { + // XXX error handling + if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._schemeData += percentEscape(c); + } + } + break; + + case 'no scheme': + if (!base || !(isRelativeScheme(base._scheme))) { + err('Missing scheme.'); + invalid.call(this); + } else { + state = 'relative'; + continue; + } + break; + + case 'relative or authority': + if ('/' === c && '/' === input[cursor+1]) { + state = 'authority ignore slashes'; + } else { + err('Expected /, got: ' + c); + state = 'relative'; + continue; + } + break; + + case 'relative': + this._isRelative = true; + if ('file' !== this._scheme) { + this._scheme = base._scheme; + } + if (EOF === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._username = base._username; + this._password = base._password; + break loop; + } else if ('/' === c || '\\' === c) { + if ('\\' === c) { + err('\\ is an invalid code point.'); + } + state = 'relative slash'; + } else if ('?' === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = '?'; + this._username = base._username; + this._password = base._password; + state = 'query'; + } else if ('#' === c) { + this._host = base._host; + this._port = base._port; + this._path = base._path.slice(); + this._query = base._query; + this._fragment = '#'; + this._username = base._username; + this._password = base._password; + state = 'fragment'; + } else { + var nextC = input[cursor+1]; + var nextNextC = input[cursor+2]; + if ('file' !== this._scheme || !ALPHA.test(c) || + (nextC !== ':' && nextC !== '|') || + (EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && + '?' !== nextNextC && '#' !== nextNextC)) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + this._path = base._path.slice(); + this._path.pop(); + } + state = 'relative path'; + continue; + } + break; + + case 'relative slash': + if ('/' === c || '\\' === c) { + if ('\\' === c) { + err('\\ is an invalid code point.'); + } + if ('file' === this._scheme) { + state = 'file host'; + } else { + state = 'authority ignore slashes'; + } + } else { + if ('file' !== this._scheme) { + this._host = base._host; + this._port = base._port; + this._username = base._username; + this._password = base._password; + } + state = 'relative path'; + continue; + } + break; + + case 'authority first slash': + if ('/' === c) { + state = 'authority second slash'; + } else { + err('Expected \'/\', got: ' + c); + state = 'authority ignore slashes'; + continue; + } + break; + + case 'authority second slash': + state = 'authority ignore slashes'; + if ('/' !== c) { + err('Expected \'/\', got: ' + c); + continue; + } + break; + + case 'authority ignore slashes': + if ('/' !== c && '\\' !== c) { + state = 'authority'; + continue; + } else { + err('Expected authority, got: ' + c); + } + break; + + case 'authority': + if ('@' === c) { + if (seenAt) { + err('@ already seen.'); + buffer += '%40'; + } + seenAt = true; + for (var i = 0; i < buffer.length; i++) { + var cp = buffer[i]; + if ('\t' === cp || '\n' === cp || '\r' === cp) { + err('Invalid whitespace in authority.'); + continue; + } + // XXX check URL code points + if (':' === cp && null === this._password) { + this._password = ''; + continue; + } + var tempC = percentEscape(cp); + if (null !== this._password) { + this._password += tempC; + } else { + this._username += tempC; + } + } + buffer = ''; + } else if (EOF === c || '/' === c || '\\' === c || + '?' === c || '#' === c) { + cursor -= buffer.length; + buffer = ''; + state = 'host'; + continue; + } else { + buffer += c; + } + break; + + case 'file host': + if (EOF === c || '/' === c || '\\' === c || '?' === c || '#' === c) { + if (buffer.length === 2 && ALPHA.test(buffer[0]) && + (buffer[1] === ':' || buffer[1] === '|')) { + state = 'relative path'; + } else if (buffer.length === 0) { + state = 'relative path start'; + } else { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + } + continue; + } else if ('\t' === c || '\n' === c || '\r' === c) { + err('Invalid whitespace in file host.'); + } else { + buffer += c; + } + break; + + case 'host': + case 'hostname': + if (':' === c && !seenBracket) { + // XXX host parsing + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'port'; + if ('hostname' === stateOverride) { + break loop; + } + } else if (EOF === c || '/' === c || + '\\' === c || '?' === c || '#' === c) { + this._host = IDNAToASCII.call(this, buffer); + buffer = ''; + state = 'relative path start'; + if (stateOverride) { + break loop; + } + continue; + } else if ('\t' !== c && '\n' !== c && '\r' !== c) { + if ('[' === c) { + seenBracket = true; + } else if (']' === c) { + seenBracket = false; + } + buffer += c; + } else { + err('Invalid code point in host/hostname: ' + c); + } + break; + + case 'port': + if (/[0-9]/.test(c)) { + buffer += c; + } else if (EOF === c || '/' === c || '\\' === c || + '?' === c || '#' === c || stateOverride) { + if ('' !== buffer) { + var temp = parseInt(buffer, 10); + if (temp !== relative[this._scheme]) { + this._port = temp + ''; + } + buffer = ''; + } + if (stateOverride) { + break loop; + } + state = 'relative path start'; + continue; + } else if ('\t' === c || '\n' === c || '\r' === c) { + err('Invalid code point in port: ' + c); + } else { + invalid.call(this); + } + break; + + case 'relative path start': + if ('\\' === c) { + err('\'\\\' not allowed in path.'); + } + state = 'relative path'; + if ('/' !== c && '\\' !== c) { + continue; + } + break; + + case 'relative path': + if (EOF === c || '/' === c || '\\' === c || + (!stateOverride && ('?' === c || '#' === c))) { + if ('\\' === c) { + err('\\ not allowed in relative path.'); + } + var tmp; + if (tmp = relativePathDotMapping[buffer.toLowerCase()]) { + buffer = tmp; + } + if ('..' === buffer) { + this._path.pop(); + if ('/' !== c && '\\' !== c) { + this._path.push(''); + } + } else if ('.' === buffer && '/' !== c && '\\' !== c) { + this._path.push(''); + } else if ('.' !== buffer) { + if ('file' === this._scheme && this._path.length === 0 && + buffer.length === 2 && ALPHA.test(buffer[0]) && + buffer[1] === '|') { + buffer = buffer[0] + ':'; + } + this._path.push(buffer); + } + buffer = ''; + if ('?' === c) { + this._query = '?'; + state = 'query'; + } else if ('#' === c) { + this._fragment = '#'; + state = 'fragment'; + } + } else if ('\t' !== c && '\n' !== c && '\r' !== c) { + buffer += percentEscape(c); + } + break; + + case 'query': + if (!stateOverride && '#' === c) { + this._fragment = '#'; + state = 'fragment'; + } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._query += percentEscapeQuery(c); + } + break; + + case 'fragment': + if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) { + this._fragment += c; + } + break; + } + + cursor++; + } + } + + function clear() { + this._scheme = ''; + this._schemeData = ''; + this._username = ''; + this._password = null; + this._host = ''; + this._port = ''; + this._path = []; + this._query = ''; + this._fragment = ''; + this._isInvalid = false; + this._isRelative = false; + } + + // Does not process domain names or IP addresses. + // Does not handle encoding for the query parameter. + function JURL(url, base /* , encoding */) { + if (base !== undefined && !(base instanceof JURL)) { + base = new JURL(String(base)); + } + + this._url = url; + clear.call(this); + + var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, ''); + // encoding = encoding || 'utf-8' + + parse.call(this, input, null, base); + } + + JURL.prototype = { + toString: function() { + return this.href; + }, + get href() { + if (this._isInvalid) { + return this._url; + } + var authority = ''; + if ('' !== this._username || null !== this._password) { + authority = this._username + + (null !== this._password ? ':' + this._password : '') + '@'; + } + + return this.protocol + + (this._isRelative ? '//' + authority + this.host : '') + + this.pathname + this._query + this._fragment; + }, + set href(href) { + clear.call(this); + parse.call(this, href); + }, + + get protocol() { + return this._scheme + ':'; + }, + set protocol(protocol) { + if (this._isInvalid) { + return; + } + parse.call(this, protocol + ':', 'scheme start'); + }, + + get host() { + return this._isInvalid ? '' : this._port ? + this._host + ':' + this._port : this._host; + }, + set host(host) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, host, 'host'); + }, + + get hostname() { + return this._host; + }, + set hostname(hostname) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, hostname, 'hostname'); + }, + + get port() { + return this._port; + }, + set port(port) { + if (this._isInvalid || !this._isRelative) { + return; + } + parse.call(this, port, 'port'); + }, + + get pathname() { + return this._isInvalid ? '' : this._isRelative ? + '/' + this._path.join('/') : this._schemeData; + }, + set pathname(pathname) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._path = []; + parse.call(this, pathname, 'relative path start'); + }, + + get search() { + return this._isInvalid || !this._query || '?' === this._query ? + '' : this._query; + }, + set search(search) { + if (this._isInvalid || !this._isRelative) { + return; + } + this._query = '?'; + if ('?' === search[0]) { + search = search.slice(1); + } + parse.call(this, search, 'query'); + }, + + get hash() { + return this._isInvalid || !this._fragment || '#' === this._fragment ? + '' : this._fragment; + }, + set hash(hash) { + if (this._isInvalid) { + return; + } + this._fragment = '#'; + if ('#' === hash[0]) { + hash = hash.slice(1); + } + parse.call(this, hash, 'fragment'); + }, + + get origin() { + var host; + if (this._isInvalid || !this._scheme) { + return ''; + } + // javascript: Gecko returns String(""), WebKit/Blink String("null") + // Gecko throws error for "data://" + // data: Gecko returns "", Blink returns "data://", WebKit returns "null" + // Gecko returns String("") for file: mailto: + // WebKit/Blink returns String("SCHEME://") for file: mailto: + switch (this._scheme) { + case 'data': + case 'file': + case 'javascript': + case 'mailto': + return 'null'; + } + host = this.host; + if (!host) { + return ''; + } + return this._scheme + '://' + host; + } + }; + + // Copy over the static methods + var OriginalURL = scope.URL; + if (OriginalURL) { + JURL.createObjectURL = function(blob) { + // IE extension allows a second optional options argument. + // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx + return OriginalURL.createObjectURL.apply(OriginalURL, arguments); + }; + JURL.revokeObjectURL = function(url) { + OriginalURL.revokeObjectURL(url); + }; + } + + scope.URL = JURL; +})(globalScope); + +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +exports.OPS = OPS; +exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +exports.AnnotationFieldFlag = AnnotationFieldFlag; +exports.AnnotationFlag = AnnotationFlag; +exports.AnnotationType = AnnotationType; +exports.FontType = FontType; +exports.ImageKind = ImageKind; +exports.InvalidPDFException = InvalidPDFException; +exports.MessageHandler = MessageHandler; +exports.MissingDataException = MissingDataException; +exports.MissingPDFException = MissingPDFException; +exports.NotImplementedException = NotImplementedException; +exports.PageViewport = PageViewport; +exports.PasswordException = PasswordException; +exports.PasswordResponses = PasswordResponses; +exports.StatTimer = StatTimer; +exports.StreamType = StreamType; +exports.TextRenderingMode = TextRenderingMode; +exports.UnexpectedResponseException = UnexpectedResponseException; +exports.UnknownErrorException = UnknownErrorException; +exports.Util = Util; +exports.XRefParseException = XRefParseException; +exports.arrayByteLength = arrayByteLength; +exports.arraysToBytes = arraysToBytes; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.createBlob = createBlob; +exports.createPromiseCapability = createPromiseCapability; +exports.createObjectURL = createObjectURL; +exports.deprecated = deprecated; +exports.error = error; +exports.getLookupTableFactory = getLookupTableFactory; +exports.getVerbosityLevel = getVerbosityLevel; +exports.globalScope = globalScope; +exports.info = info; +exports.isArray = isArray; +exports.isArrayBuffer = isArrayBuffer; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isInt = isInt; +exports.isNum = isNum; +exports.isString = isString; +exports.isSpace = isSpace; +exports.isSameOrigin = isSameOrigin; +exports.isValidUrl = isValidUrl; +exports.isLittleEndian = isLittleEndian; +exports.isEvalSupported = isEvalSupported; +exports.loadJpegStream = loadJpegStream; +exports.log2 = log2; +exports.readInt8 = readInt8; +exports.readUint16 = readUint16; +exports.readUint32 = readUint32; +exports.removeNullCharacters = removeNullCharacters; +exports.setVerbosityLevel = setVerbosityLevel; +exports.shadow = shadow; +exports.string32 = string32; +exports.stringToBytes = stringToBytes; +exports.stringToPDFString = stringToPDFString; +exports.stringToUTF8String = stringToUTF8String; +exports.utf8StringToString = utf8StringToString; +exports.warn = warn; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCFFParser = {}), root.pdfjsSharedUtil, + root.pdfjsCoreCharsets, root.pdfjsCoreEncodings); + } +}(this, function (exports, sharedUtil, coreCharsets, coreEncodings) { + +var error = sharedUtil.error; +var info = sharedUtil.info; +var bytesToString = sharedUtil.bytesToString; +var warn = sharedUtil.warn; +var isArray = sharedUtil.isArray; +var Util = sharedUtil.Util; +var stringToBytes = sharedUtil.stringToBytes; +var assert = sharedUtil.assert; +var ISOAdobeCharset = coreCharsets.ISOAdobeCharset; +var ExpertCharset = coreCharsets.ExpertCharset; +var ExpertSubsetCharset = coreCharsets.ExpertSubsetCharset; +var StandardEncoding = coreEncodings.StandardEncoding; +var ExpertEncoding = coreEncodings.ExpertEncoding; + +// Maximum subroutine call depth of type 2 chartrings. Matches OTS. +var MAX_SUBR_NESTING = 10; + +/** + * The CFF class takes a Type1 file and wrap it into a + * 'Compact Font Format' which itself embed Type2 charstrings. + */ +var CFFStandardStrings = [ + '.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', + 'ampersand', 'quoteright', 'parenleft', 'parenright', 'asterisk', 'plus', + 'comma', 'hyphen', 'period', 'slash', 'zero', 'one', 'two', 'three', 'four', + 'five', 'six', 'seven', 'eight', 'nine', 'colon', 'semicolon', 'less', + 'equal', 'greater', 'question', 'at', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', + 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', + 'X', 'Y', 'Z', 'bracketleft', 'backslash', 'bracketright', 'asciicircum', + 'underscore', 'quoteleft', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', + 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', + 'z', 'braceleft', 'bar', 'braceright', 'asciitilde', 'exclamdown', 'cent', + 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', + 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', + 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', + 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', 'quotedblbase', + 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', 'questiondown', + 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', + 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', 'emdash', + 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', + 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', + 'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', + 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', + 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', + 'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', + 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', + 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', + 'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', + 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', + 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', + 'ccedilla', 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', + 'icircumflex', 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', + 'odieresis', 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', + 'udieresis', 'ugrave', 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', + 'Hungarumlautsmall', 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', + 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', + 'onedotenleader', 'zerooldstyle', 'oneoldstyle', 'twooldstyle', + 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', + 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'commasuperior', + 'threequartersemdash', 'periodsuperior', 'questionsmall', 'asuperior', + 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', + 'lsuperior', 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', + 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior', 'parenrightinferior', + 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', 'Bsmall', + 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', + 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', + 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', + 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', + 'Tildesmall', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', + 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', 'Caronsmall', + 'Dotaccentsmall', 'Macronsmall', 'figuredash', 'hypheninferior', + 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', 'questiondownsmall', 'oneeighth', + 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', + 'zerosuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', + 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', + 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', + 'fiveinferior', 'sixinferior', 'seveninferior', 'eightinferior', + 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', + 'commainferior', 'Agravesmall', 'Aacutesmall', 'Acircumflexsmall', + 'Atildesmall', 'Adieresissmall', 'Aringsmall', 'AEsmall', 'Ccedillasmall', + 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', + 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', 'Idieresissmall', + 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', + 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', + 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', + 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002', '001.003', + 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', 'Semibold' +]; + + +var CFFParser = (function CFFParserClosure() { + var CharstringValidationData = [ + null, + { id: 'hstem', min: 2, stackClearing: true, stem: true }, + null, + { id: 'vstem', min: 2, stackClearing: true, stem: true }, + { id: 'vmoveto', min: 1, stackClearing: true }, + { id: 'rlineto', min: 2, resetStack: true }, + { id: 'hlineto', min: 1, resetStack: true }, + { id: 'vlineto', min: 1, resetStack: true }, + { id: 'rrcurveto', min: 6, resetStack: true }, + null, + { id: 'callsubr', min: 1, undefStack: true }, + { id: 'return', min: 0, undefStack: true }, + null, // 12 + null, + { id: 'endchar', min: 0, stackClearing: true }, + null, + null, + null, + { id: 'hstemhm', min: 2, stackClearing: true, stem: true }, + { id: 'hintmask', min: 0, stackClearing: true }, + { id: 'cntrmask', min: 0, stackClearing: true }, + { id: 'rmoveto', min: 2, stackClearing: true }, + { id: 'hmoveto', min: 1, stackClearing: true }, + { id: 'vstemhm', min: 2, stackClearing: true, stem: true }, + { id: 'rcurveline', min: 8, resetStack: true }, + { id: 'rlinecurve', min: 8, resetStack: true }, + { id: 'vvcurveto', min: 4, resetStack: true }, + { id: 'hhcurveto', min: 4, resetStack: true }, + null, // shortint + { id: 'callgsubr', min: 1, undefStack: true }, + { id: 'vhcurveto', min: 4, resetStack: true }, + { id: 'hvcurveto', min: 4, resetStack: true } + ]; + var CharstringValidationData12 = [ + null, + null, + null, + { id: 'and', min: 2, stackDelta: -1 }, + { id: 'or', min: 2, stackDelta: -1 }, + { id: 'not', min: 1, stackDelta: 0 }, + null, + null, + null, + { id: 'abs', min: 1, stackDelta: 0 }, + { id: 'add', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] + stack[index - 1]; + } + }, + { id: 'sub', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] - stack[index - 1]; + } + }, + { id: 'div', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] / stack[index - 1]; + } + }, + null, + { id: 'neg', min: 1, stackDelta: 0, + stackFn: function stack_div(stack, index) { + stack[index - 1] = -stack[index - 1]; + } + }, + { id: 'eq', min: 2, stackDelta: -1 }, + null, + null, + { id: 'drop', min: 1, stackDelta: -1 }, + null, + { id: 'put', min: 2, stackDelta: -2 }, + { id: 'get', min: 1, stackDelta: 0 }, + { id: 'ifelse', min: 4, stackDelta: -3 }, + { id: 'random', min: 0, stackDelta: 1 }, + { id: 'mul', min: 2, stackDelta: -1, + stackFn: function stack_div(stack, index) { + stack[index - 2] = stack[index - 2] * stack[index - 1]; + } + }, + null, + { id: 'sqrt', min: 1, stackDelta: 0 }, + { id: 'dup', min: 1, stackDelta: 1 }, + { id: 'exch', min: 2, stackDelta: 0 }, + { id: 'index', min: 2, stackDelta: 0 }, + { id: 'roll', min: 3, stackDelta: -2 }, + null, + null, + null, + { id: 'hflex', min: 7, resetStack: true }, + { id: 'flex', min: 13, resetStack: true }, + { id: 'hflex1', min: 9, resetStack: true }, + { id: 'flex1', min: 11, resetStack: true } + ]; + + function CFFParser(file, properties, seacAnalysisEnabled) { + this.bytes = file.getBytes(); + this.properties = properties; + this.seacAnalysisEnabled = !!seacAnalysisEnabled; + } + CFFParser.prototype = { + parse: function CFFParser_parse() { + var properties = this.properties; + var cff = new CFF(); + this.cff = cff; + + // The first five sections must be in order, all the others are reached + // via offsets contained in one of the below. + var header = this.parseHeader(); + var nameIndex = this.parseIndex(header.endPos); + var topDictIndex = this.parseIndex(nameIndex.endPos); + var stringIndex = this.parseIndex(topDictIndex.endPos); + var globalSubrIndex = this.parseIndex(stringIndex.endPos); + + var topDictParsed = this.parseDict(topDictIndex.obj.get(0)); + var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings); + + cff.header = header.obj; + cff.names = this.parseNameIndex(nameIndex.obj); + cff.strings = this.parseStringIndex(stringIndex.obj); + cff.topDict = topDict; + cff.globalSubrIndex = globalSubrIndex.obj; + + this.parsePrivateDict(cff.topDict); + + cff.isCIDFont = topDict.hasName('ROS'); + + var charStringOffset = topDict.getByName('CharStrings'); + var charStringIndex = this.parseIndex(charStringOffset).obj; + + var fontMatrix = topDict.getByName('FontMatrix'); + if (fontMatrix) { + properties.fontMatrix = fontMatrix; + } + + var fontBBox = topDict.getByName('FontBBox'); + if (fontBBox) { + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + } + + var charset, encoding; + if (cff.isCIDFont) { + var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj; + for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) { + var dictRaw = fdArrayIndex.get(i); + var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), + cff.strings); + this.parsePrivateDict(fontDict); + cff.fdArray.push(fontDict); + } + // cid fonts don't have an encoding + encoding = null; + charset = this.parseCharsets(topDict.getByName('charset'), + charStringIndex.count, cff.strings, true); + cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), + charStringIndex.count); + } else { + charset = this.parseCharsets(topDict.getByName('charset'), + charStringIndex.count, cff.strings, false); + encoding = this.parseEncoding(topDict.getByName('Encoding'), + properties, + cff.strings, charset.charset); + } + + cff.charset = charset; + cff.encoding = encoding; + + var charStringsAndSeacs = this.parseCharStrings( + charStringIndex, + topDict.privateDict.subrsIndex, + globalSubrIndex.obj, + cff.fdSelect, + cff.fdArray); + cff.charStrings = charStringsAndSeacs.charStrings; + cff.seacs = charStringsAndSeacs.seacs; + cff.widths = charStringsAndSeacs.widths; + + return cff; + }, + parseHeader: function CFFParser_parseHeader() { + var bytes = this.bytes; + var bytesLength = bytes.length; + var offset = 0; + + // Prevent an infinite loop, by checking that the offset is within the + // bounds of the bytes array. Necessary in empty, or invalid, font files. + while (offset < bytesLength && bytes[offset] !== 1) { + ++offset; + } + if (offset >= bytesLength) { + error('Invalid CFF header'); + } else if (offset !== 0) { + info('cff data is shifted'); + bytes = bytes.subarray(offset); + this.bytes = bytes; + } + var major = bytes[0]; + var minor = bytes[1]; + var hdrSize = bytes[2]; + var offSize = bytes[3]; + var header = new CFFHeader(major, minor, hdrSize, offSize); + return { obj: header, endPos: hdrSize }; + }, + parseDict: function CFFParser_parseDict(dict) { + var pos = 0; + + function parseOperand() { + var value = dict[pos++]; + if (value === 30) { + return parseFloatOperand(); + } else if (value === 28) { + value = dict[pos++]; + value = ((value << 24) | (dict[pos++] << 16)) >> 16; + return value; + } else if (value === 29) { + value = dict[pos++]; + value = (value << 8) | dict[pos++]; + value = (value << 8) | dict[pos++]; + value = (value << 8) | dict[pos++]; + return value; + } else if (value >= 32 && value <= 246) { + return value - 139; + } else if (value >= 247 && value <= 250) { + return ((value - 247) * 256) + dict[pos++] + 108; + } else if (value >= 251 && value <= 254) { + return -((value - 251) * 256) - dict[pos++] - 108; + } else { + error('255 is not a valid DICT command'); + } + return -1; + } + + function parseFloatOperand() { + var str = ''; + var eof = 15; + var lookup = ['0', '1', '2', '3', '4', '5', '6', '7', '8', + '9', '.', 'E', 'E-', null, '-']; + var length = dict.length; + while (pos < length) { + var b = dict[pos++]; + var b1 = b >> 4; + var b2 = b & 15; + + if (b1 === eof) { + break; + } + str += lookup[b1]; + + if (b2 === eof) { + break; + } + str += lookup[b2]; + } + return parseFloat(str); + } + + var operands = []; + var entries = []; + + pos = 0; + var end = dict.length; + while (pos < end) { + var b = dict[pos]; + if (b <= 21) { + if (b === 12) { + b = (b << 8) | dict[++pos]; + } + entries.push([b, operands]); + operands = []; + ++pos; + } else { + operands.push(parseOperand()); + } + } + return entries; + }, + parseIndex: function CFFParser_parseIndex(pos) { + var cffIndex = new CFFIndex(); + var bytes = this.bytes; + var count = (bytes[pos++] << 8) | bytes[pos++]; + var offsets = []; + var end = pos; + var i, ii; + + if (count !== 0) { + var offsetSize = bytes[pos++]; + // add 1 for offset to determine size of last object + var startPos = pos + ((count + 1) * offsetSize) - 1; + + for (i = 0, ii = count + 1; i < ii; ++i) { + var offset = 0; + for (var j = 0; j < offsetSize; ++j) { + offset <<= 8; + offset += bytes[pos++]; + } + offsets.push(startPos + offset); + } + end = offsets[count]; + } + for (i = 0, ii = offsets.length - 1; i < ii; ++i) { + var offsetStart = offsets[i]; + var offsetEnd = offsets[i + 1]; + cffIndex.add(bytes.subarray(offsetStart, offsetEnd)); + } + return {obj: cffIndex, endPos: end}; + }, + parseNameIndex: function CFFParser_parseNameIndex(index) { + var names = []; + for (var i = 0, ii = index.count; i < ii; ++i) { + var name = index.get(i); + // OTS doesn't allow names to be over 127 characters. + var length = Math.min(name.length, 127); + var data = []; + // OTS also only permits certain characters in the name. + for (var j = 0; j < length; ++j) { + var c = name[j]; + if (j === 0 && c === 0) { + data[j] = c; + continue; + } + if ((c < 33 || c > 126) || c === 91 /* [ */ || c === 93 /* ] */ || + c === 40 /* ( */ || c === 41 /* ) */ || c === 123 /* { */ || + c === 125 /* } */ || c === 60 /* < */ || c === 62 /* > */ || + c === 47 /* / */ || c === 37 /* % */ || c === 35 /* # */) { + data[j] = 95; + continue; + } + data[j] = c; + } + names.push(bytesToString(data)); + } + return names; + }, + parseStringIndex: function CFFParser_parseStringIndex(index) { + var strings = new CFFStrings(); + for (var i = 0, ii = index.count; i < ii; ++i) { + var data = index.get(i); + strings.add(bytesToString(data)); + } + return strings; + }, + createDict: function CFFParser_createDict(Type, dict, strings) { + var cffDict = new Type(strings); + for (var i = 0, ii = dict.length; i < ii; ++i) { + var pair = dict[i]; + var key = pair[0]; + var value = pair[1]; + cffDict.setByKey(key, value); + } + return cffDict; + }, + parseCharString: function CFFParser_parseCharString(state, data, + localSubrIndex, + globalSubrIndex) { + if (state.callDepth > MAX_SUBR_NESTING) { + return false; + } + var stackSize = state.stackSize; + var stack = state.stack; + + var length = data.length; + + for (var j = 0; j < length;) { + var value = data[j++]; + var validationCommand = null; + if (value === 12) { + var q = data[j++]; + if (q === 0) { + // The CFF specification state that the 'dotsection' command + // (12, 0) is deprecated and treated as a no-op, but all Type2 + // charstrings processors should support them. Unfortunately + // the font sanitizer don't. As a workaround the sequence (12, 0) + // is replaced by a useless (0, hmoveto). + data[j - 2] = 139; + data[j - 1] = 22; + stackSize = 0; + } else { + validationCommand = CharstringValidationData12[q]; + } + } else if (value === 28) { // number (16 bit) + stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16)) >> 16; + j += 2; + stackSize++; + } else if (value === 14) { + if (stackSize >= 4) { + stackSize -= 4; + if (this.seacAnalysisEnabled) { + state.seac = stack.slice(stackSize, stackSize + 4); + return false; + } + } + validationCommand = CharstringValidationData[value]; + } else if (value >= 32 && value <= 246) { // number + stack[stackSize] = value - 139; + stackSize++; + } else if (value >= 247 && value <= 254) { // number (+1 bytes) + stack[stackSize] = (value < 251 ? + ((value - 247) << 8) + data[j] + 108 : + -((value - 251) << 8) - data[j] - 108); + j++; + stackSize++; + } else if (value === 255) { // number (32 bit) + stack[stackSize] = ((data[j] << 24) | (data[j + 1] << 16) | + (data[j + 2] << 8) | data[j + 3]) / 65536; + j += 4; + stackSize++; + } else if (value === 19 || value === 20) { + state.hints += stackSize >> 1; + // skipping right amount of hints flag data + j += (state.hints + 7) >> 3; + stackSize %= 2; + validationCommand = CharstringValidationData[value]; + } else if (value === 10 || value === 29) { + var subrsIndex; + if (value === 10) { + subrsIndex = localSubrIndex; + } else { + subrsIndex = globalSubrIndex; + } + if (!subrsIndex) { + validationCommand = CharstringValidationData[value]; + warn('Missing subrsIndex for ' + validationCommand.id); + return false; + } + var bias = 32768; + if (subrsIndex.count < 1240) { + bias = 107; + } else if (subrsIndex.count < 33900) { + bias = 1131; + } + var subrNumber = stack[--stackSize] + bias; + if (subrNumber < 0 || subrNumber >= subrsIndex.count) { + validationCommand = CharstringValidationData[value]; + warn('Out of bounds subrIndex for ' + validationCommand.id); + return false; + } + state.stackSize = stackSize; + state.callDepth++; + var valid = this.parseCharString(state, subrsIndex.get(subrNumber), + localSubrIndex, globalSubrIndex); + if (!valid) { + return false; + } + state.callDepth--; + stackSize = state.stackSize; + continue; + } else if (value === 11) { + state.stackSize = stackSize; + return true; + } else { + validationCommand = CharstringValidationData[value]; + } + if (validationCommand) { + if (validationCommand.stem) { + state.hints += stackSize >> 1; + } + if ('min' in validationCommand) { + if (!state.undefStack && stackSize < validationCommand.min) { + warn('Not enough parameters for ' + validationCommand.id + + '; actual: ' + stackSize + + ', expected: ' + validationCommand.min); + return false; + } + } + if (state.firstStackClearing && validationCommand.stackClearing) { + state.firstStackClearing = false; + // the optional character width can be found before the first + // stack-clearing command arguments + stackSize -= validationCommand.min; + if (stackSize >= 2 && validationCommand.stem) { + // there are even amount of arguments for stem commands + stackSize %= 2; + } else if (stackSize > 1) { + warn('Found too many parameters for stack-clearing command'); + } + if (stackSize > 0 && stack[stackSize - 1] >= 0) { + state.width = stack[stackSize - 1]; + } + } + if ('stackDelta' in validationCommand) { + if ('stackFn' in validationCommand) { + validationCommand.stackFn(stack, stackSize); + } + stackSize += validationCommand.stackDelta; + } else if (validationCommand.stackClearing) { + stackSize = 0; + } else if (validationCommand.resetStack) { + stackSize = 0; + state.undefStack = false; + } else if (validationCommand.undefStack) { + stackSize = 0; + state.undefStack = true; + state.firstStackClearing = false; + } + } + } + state.stackSize = stackSize; + return true; + }, + parseCharStrings: function CFFParser_parseCharStrings(charStrings, + localSubrIndex, + globalSubrIndex, + fdSelect, + fdArray) { + var seacs = []; + var widths = []; + var count = charStrings.count; + for (var i = 0; i < count; i++) { + var charstring = charStrings.get(i); + var state = { + callDepth: 0, + stackSize: 0, + stack: [], + undefStack: true, + hints: 0, + firstStackClearing: true, + seac: null, + width: null + }; + var valid = true; + var localSubrToUse = null; + if (fdSelect && fdArray.length) { + var fdIndex = fdSelect.getFDIndex(i); + if (fdIndex === -1) { + warn('Glyph index is not in fd select.'); + valid = false; + } + if (fdIndex >= fdArray.length) { + warn('Invalid fd index for glyph index.'); + valid = false; + } + if (valid) { + localSubrToUse = fdArray[fdIndex].privateDict.subrsIndex; + } + } else if (localSubrIndex) { + localSubrToUse = localSubrIndex; + } + if (valid) { + valid = this.parseCharString(state, charstring, localSubrToUse, + globalSubrIndex); + } + if (state.width !== null) { + widths[i] = state.width; + } + if (state.seac !== null) { + seacs[i] = state.seac; + } + if (!valid) { + // resetting invalid charstring to single 'endchar' + charStrings.set(i, new Uint8Array([14])); + } + } + return { charStrings: charStrings, seacs: seacs, widths: widths }; + }, + emptyPrivateDictionary: + function CFFParser_emptyPrivateDictionary(parentDict) { + var privateDict = this.createDict(CFFPrivateDict, [], + parentDict.strings); + parentDict.setByKey(18, [0, 0]); + parentDict.privateDict = privateDict; + }, + parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) { + // no private dict, do nothing + if (!parentDict.hasName('Private')) { + this.emptyPrivateDictionary(parentDict); + return; + } + var privateOffset = parentDict.getByName('Private'); + // make sure the params are formatted correctly + if (!isArray(privateOffset) || privateOffset.length !== 2) { + parentDict.removeByName('Private'); + return; + } + var size = privateOffset[0]; + var offset = privateOffset[1]; + // remove empty dicts or ones that refer to invalid location + if (size === 0 || offset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + + var privateDictEnd = offset + size; + var dictData = this.bytes.subarray(offset, privateDictEnd); + var dict = this.parseDict(dictData); + var privateDict = this.createDict(CFFPrivateDict, dict, + parentDict.strings); + parentDict.privateDict = privateDict; + + // Parse the Subrs index also since it's relative to the private dict. + if (!privateDict.getByName('Subrs')) { + return; + } + var subrsOffset = privateDict.getByName('Subrs'); + var relativeOffset = offset + subrsOffset; + // Validate the offset. + if (subrsOffset === 0 || relativeOffset >= this.bytes.length) { + this.emptyPrivateDictionary(parentDict); + return; + } + var subrsIndex = this.parseIndex(relativeOffset); + privateDict.subrsIndex = subrsIndex.obj; + }, + parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) { + if (pos === 0) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, + ISOAdobeCharset); + } else if (pos === 1) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, + ExpertCharset); + } else if (pos === 2) { + return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, + ExpertSubsetCharset); + } + + var bytes = this.bytes; + var start = pos; + var format = bytes[pos++]; + var charset = ['.notdef']; + var id, count, i; + + // subtract 1 for the .notdef glyph + length -= 1; + + switch (format) { + case 0: + for (i = 0; i < length; i++) { + id = (bytes[pos++] << 8) | bytes[pos++]; + charset.push(cid ? id : strings.get(id)); + } + break; + case 1: + while (charset.length <= length) { + id = (bytes[pos++] << 8) | bytes[pos++]; + count = bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + case 2: + while (charset.length <= length) { + id = (bytes[pos++] << 8) | bytes[pos++]; + count = (bytes[pos++] << 8) | bytes[pos++]; + for (i = 0; i <= count; i++) { + charset.push(cid ? id++ : strings.get(id++)); + } + } + break; + default: + error('Unknown charset format'); + } + // Raw won't be needed if we actually compile the charset. + var end = pos; + var raw = bytes.subarray(start, end); + + return new CFFCharset(false, format, charset, raw); + }, + parseEncoding: function CFFParser_parseEncoding(pos, + properties, + strings, + charset) { + var encoding = Object.create(null); + var bytes = this.bytes; + var predefined = false; + var hasSupplement = false; + var format, i, ii; + var raw = null; + + function readSupplement() { + var supplementsCount = bytes[pos++]; + for (i = 0; i < supplementsCount; i++) { + var code = bytes[pos++]; + var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff); + encoding[code] = charset.indexOf(strings.get(sid)); + } + } + + if (pos === 0 || pos === 1) { + predefined = true; + format = pos; + var baseEncoding = pos ? ExpertEncoding : StandardEncoding; + for (i = 0, ii = charset.length; i < ii; i++) { + var index = baseEncoding.indexOf(charset[i]); + if (index !== -1) { + encoding[index] = i; + } + } + } else { + var dataStart = pos; + format = bytes[pos++]; + switch (format & 0x7f) { + case 0: + var glyphsCount = bytes[pos++]; + for (i = 1; i <= glyphsCount; i++) { + encoding[bytes[pos++]] = i; + } + break; + + case 1: + var rangesCount = bytes[pos++]; + var gid = 1; + for (i = 0; i < rangesCount; i++) { + var start = bytes[pos++]; + var left = bytes[pos++]; + for (var j = start; j <= start + left; j++) { + encoding[j] = gid++; + } + } + break; + + default: + error('Unknown encoding format: ' + format + ' in CFF'); + break; + } + var dataEnd = pos; + if (format & 0x80) { + // The font sanitizer does not support CFF encoding with a + // supplement, since the encoding is not really used to map + // between gid to glyph, let's overwrite what is declared in + // the top dictionary to let the sanitizer think the font use + // StandardEncoding, that's a lie but that's ok. + bytes[dataStart] &= 0x7f; + readSupplement(); + hasSupplement = true; + } + raw = bytes.subarray(dataStart, dataEnd); + } + format = format & 0x7f; + return new CFFEncoding(predefined, format, encoding, raw); + }, + parseFDSelect: function CFFParser_parseFDSelect(pos, length) { + var start = pos; + var bytes = this.bytes; + var format = bytes[pos++]; + var fdSelect = [], rawBytes; + var i, invalidFirstGID = false; + + switch (format) { + case 0: + for (i = 0; i < length; ++i) { + var id = bytes[pos++]; + fdSelect.push(id); + } + rawBytes = bytes.subarray(start, pos); + break; + case 3: + var rangesCount = (bytes[pos++] << 8) | bytes[pos++]; + for (i = 0; i < rangesCount; ++i) { + var first = (bytes[pos++] << 8) | bytes[pos++]; + if (i === 0 && first !== 0) { + warn('parseFDSelect: The first range must have a first GID of 0' + + ' -- trying to recover.'); + invalidFirstGID = true; + first = 0; + } + var fdIndex = bytes[pos++]; + var next = (bytes[pos] << 8) | bytes[pos + 1]; + for (var j = first; j < next; ++j) { + fdSelect.push(fdIndex); + } + } + // Advance past the sentinel(next). + pos += 2; + rawBytes = bytes.subarray(start, pos); + + if (invalidFirstGID) { + rawBytes[3] = rawBytes[4] = 0; // Adjust the first range, first GID. + } + break; + default: + error('parseFDSelect: Unknown format "' + format + '".'); + break; + } + assert(fdSelect.length === length, 'parseFDSelect: Invalid font data.'); + + return new CFFFDSelect(fdSelect, rawBytes); + } + }; + return CFFParser; +})(); + +// Compact Font Format +var CFF = (function CFFClosure() { + function CFF() { + this.header = null; + this.names = []; + this.topDict = null; + this.strings = new CFFStrings(); + this.globalSubrIndex = null; + + // The following could really be per font, but since we only have one font + // store them here. + this.encoding = null; + this.charset = null; + this.charStrings = null; + this.fdArray = []; + this.fdSelect = null; + + this.isCIDFont = false; + } + return CFF; +})(); + +var CFFHeader = (function CFFHeaderClosure() { + function CFFHeader(major, minor, hdrSize, offSize) { + this.major = major; + this.minor = minor; + this.hdrSize = hdrSize; + this.offSize = offSize; + } + return CFFHeader; +})(); + +var CFFStrings = (function CFFStringsClosure() { + function CFFStrings() { + this.strings = []; + } + CFFStrings.prototype = { + get: function CFFStrings_get(index) { + if (index >= 0 && index <= 390) { + return CFFStandardStrings[index]; + } + if (index - 391 <= this.strings.length) { + return this.strings[index - 391]; + } + return CFFStandardStrings[0]; + }, + add: function CFFStrings_add(value) { + this.strings.push(value); + }, + get count() { + return this.strings.length; + } + }; + return CFFStrings; +})(); + +var CFFIndex = (function CFFIndexClosure() { + function CFFIndex() { + this.objects = []; + this.length = 0; + } + CFFIndex.prototype = { + add: function CFFIndex_add(data) { + this.length += data.length; + this.objects.push(data); + }, + set: function CFFIndex_set(index, data) { + this.length += data.length - this.objects[index].length; + this.objects[index] = data; + }, + get: function CFFIndex_get(index) { + return this.objects[index]; + }, + get count() { + return this.objects.length; + } + }; + return CFFIndex; +})(); + +var CFFDict = (function CFFDictClosure() { + function CFFDict(tables, strings) { + this.keyToNameMap = tables.keyToNameMap; + this.nameToKeyMap = tables.nameToKeyMap; + this.defaults = tables.defaults; + this.types = tables.types; + this.opcodes = tables.opcodes; + this.order = tables.order; + this.strings = strings; + this.values = Object.create(null); + } + CFFDict.prototype = { + // value should always be an array + setByKey: function CFFDict_setByKey(key, value) { + if (!(key in this.keyToNameMap)) { + return false; + } + // ignore empty values + if (value.length === 0) { + return true; + } + var type = this.types[key]; + // remove the array wrapping these types of values + if (type === 'num' || type === 'sid' || type === 'offset') { + value = value[0]; + // Ignore invalid values (fixes bug 1068432). + if (isNaN(value)) { + warn('Invalid CFFDict value: ' + value + ', for key: ' + key + '.'); + return true; + } + } + this.values[key] = value; + return true; + }, + setByName: function CFFDict_setByName(name, value) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + this.values[this.nameToKeyMap[name]] = value; + }, + hasName: function CFFDict_hasName(name) { + return this.nameToKeyMap[name] in this.values; + }, + getByName: function CFFDict_getByName(name) { + if (!(name in this.nameToKeyMap)) { + error('Invalid dictionary name "' + name + '"'); + } + var key = this.nameToKeyMap[name]; + if (!(key in this.values)) { + return this.defaults[key]; + } + return this.values[key]; + }, + removeByName: function CFFDict_removeByName(name) { + delete this.values[this.nameToKeyMap[name]]; + } + }; + CFFDict.createTables = function CFFDict_createTables(layout) { + var tables = { + keyToNameMap: {}, + nameToKeyMap: {}, + defaults: {}, + types: {}, + opcodes: {}, + order: [] + }; + for (var i = 0, ii = layout.length; i < ii; ++i) { + var entry = layout[i]; + var key = isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0]; + tables.keyToNameMap[key] = entry[1]; + tables.nameToKeyMap[entry[1]] = key; + tables.types[key] = entry[2]; + tables.defaults[key] = entry[3]; + tables.opcodes[key] = isArray(entry[0]) ? entry[0] : [entry[0]]; + tables.order.push(key); + } + return tables; + }; + return CFFDict; +})(); + +var CFFTopDict = (function CFFTopDictClosure() { + var layout = [ + [[12, 30], 'ROS', ['sid', 'sid', 'num'], null], + [[12, 20], 'SyntheticBase', 'num', null], + [0, 'version', 'sid', null], + [1, 'Notice', 'sid', null], + [[12, 0], 'Copyright', 'sid', null], + [2, 'FullName', 'sid', null], + [3, 'FamilyName', 'sid', null], + [4, 'Weight', 'sid', null], + [[12, 1], 'isFixedPitch', 'num', 0], + [[12, 2], 'ItalicAngle', 'num', 0], + [[12, 3], 'UnderlinePosition', 'num', -100], + [[12, 4], 'UnderlineThickness', 'num', 50], + [[12, 5], 'PaintType', 'num', 0], + [[12, 6], 'CharstringType', 'num', 2], + [[12, 7], 'FontMatrix', ['num', 'num', 'num', 'num', 'num', 'num'], + [0.001, 0, 0, 0.001, 0, 0]], + [13, 'UniqueID', 'num', null], + [5, 'FontBBox', ['num', 'num', 'num', 'num'], [0, 0, 0, 0]], + [[12, 8], 'StrokeWidth', 'num', 0], + [14, 'XUID', 'array', null], + [15, 'charset', 'offset', 0], + [16, 'Encoding', 'offset', 0], + [17, 'CharStrings', 'offset', 0], + [18, 'Private', ['offset', 'offset'], null], + [[12, 21], 'PostScript', 'sid', null], + [[12, 22], 'BaseFontName', 'sid', null], + [[12, 23], 'BaseFontBlend', 'delta', null], + [[12, 31], 'CIDFontVersion', 'num', 0], + [[12, 32], 'CIDFontRevision', 'num', 0], + [[12, 33], 'CIDFontType', 'num', 0], + [[12, 34], 'CIDCount', 'num', 8720], + [[12, 35], 'UIDBase', 'num', null], + // XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes + // before FDArray. + [[12, 37], 'FDSelect', 'offset', null], + [[12, 36], 'FDArray', 'offset', null], + [[12, 38], 'FontName', 'sid', null] + ]; + var tables = null; + function CFFTopDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.privateDict = null; + } + CFFTopDict.prototype = Object.create(CFFDict.prototype); + return CFFTopDict; +})(); + +var CFFPrivateDict = (function CFFPrivateDictClosure() { + var layout = [ + [6, 'BlueValues', 'delta', null], + [7, 'OtherBlues', 'delta', null], + [8, 'FamilyBlues', 'delta', null], + [9, 'FamilyOtherBlues', 'delta', null], + [[12, 9], 'BlueScale', 'num', 0.039625], + [[12, 10], 'BlueShift', 'num', 7], + [[12, 11], 'BlueFuzz', 'num', 1], + [10, 'StdHW', 'num', null], + [11, 'StdVW', 'num', null], + [[12, 12], 'StemSnapH', 'delta', null], + [[12, 13], 'StemSnapV', 'delta', null], + [[12, 14], 'ForceBold', 'num', 0], + [[12, 17], 'LanguageGroup', 'num', 0], + [[12, 18], 'ExpansionFactor', 'num', 0.06], + [[12, 19], 'initialRandomSeed', 'num', 0], + [20, 'defaultWidthX', 'num', 0], + [21, 'nominalWidthX', 'num', 0], + [19, 'Subrs', 'offset', null] + ]; + var tables = null; + function CFFPrivateDict(strings) { + if (tables === null) { + tables = CFFDict.createTables(layout); + } + CFFDict.call(this, tables, strings); + this.subrsIndex = null; + } + CFFPrivateDict.prototype = Object.create(CFFDict.prototype); + return CFFPrivateDict; +})(); + +var CFFCharsetPredefinedTypes = { + ISO_ADOBE: 0, + EXPERT: 1, + EXPERT_SUBSET: 2 +}; +var CFFCharset = (function CFFCharsetClosure() { + function CFFCharset(predefined, format, charset, raw) { + this.predefined = predefined; + this.format = format; + this.charset = charset; + this.raw = raw; + } + return CFFCharset; +})(); + +var CFFEncoding = (function CFFEncodingClosure() { + function CFFEncoding(predefined, format, encoding, raw) { + this.predefined = predefined; + this.format = format; + this.encoding = encoding; + this.raw = raw; + } + return CFFEncoding; +})(); + +var CFFFDSelect = (function CFFFDSelectClosure() { + function CFFFDSelect(fdSelect, raw) { + this.fdSelect = fdSelect; + this.raw = raw; + } + CFFFDSelect.prototype = { + getFDIndex: function CFFFDSelect_get(glyphIndex) { + if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) { + return -1; + } + return this.fdSelect[glyphIndex]; + } + }; + return CFFFDSelect; +})(); + +// Helper class to keep track of where an offset is within the data and helps +// filling in that offset once it's known. +var CFFOffsetTracker = (function CFFOffsetTrackerClosure() { + function CFFOffsetTracker() { + this.offsets = Object.create(null); + } + CFFOffsetTracker.prototype = { + isTracking: function CFFOffsetTracker_isTracking(key) { + return key in this.offsets; + }, + track: function CFFOffsetTracker_track(key, location) { + if (key in this.offsets) { + error('Already tracking location of ' + key); + } + this.offsets[key] = location; + }, + offset: function CFFOffsetTracker_offset(value) { + for (var key in this.offsets) { + this.offsets[key] += value; + } + }, + setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, + values, + output) { + if (!(key in this.offsets)) { + error('Not tracking location of ' + key); + } + var data = output.data; + var dataOffset = this.offsets[key]; + var size = 5; + for (var i = 0, ii = values.length; i < ii; ++i) { + var offset0 = i * size + dataOffset; + var offset1 = offset0 + 1; + var offset2 = offset0 + 2; + var offset3 = offset0 + 3; + var offset4 = offset0 + 4; + // It's easy to screw up offsets so perform this sanity check. + if (data[offset0] !== 0x1d || data[offset1] !== 0 || + data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) { + error('writing to an offset that is not empty'); + } + var value = values[i]; + data[offset0] = 0x1d; + data[offset1] = (value >> 24) & 0xFF; + data[offset2] = (value >> 16) & 0xFF; + data[offset3] = (value >> 8) & 0xFF; + data[offset4] = value & 0xFF; + } + } + }; + return CFFOffsetTracker; +})(); + +// Takes a CFF and converts it to the binary representation. +var CFFCompiler = (function CFFCompilerClosure() { + function CFFCompiler(cff) { + this.cff = cff; + } + CFFCompiler.prototype = { + compile: function CFFCompiler_compile() { + var cff = this.cff; + var output = { + data: [], + length: 0, + add: function CFFCompiler_add(data) { + this.data = this.data.concat(data); + this.length = this.data.length; + } + }; + + // Compile the five entries that must be in order. + var header = this.compileHeader(cff.header); + output.add(header); + + var nameIndex = this.compileNameIndex(cff.names); + output.add(nameIndex); + + if (cff.isCIDFont) { + // The spec is unclear on how font matrices should relate to each other + // when there is one in the main top dict and the sub top dicts. + // Windows handles this differently than linux and osx so we have to + // normalize to work on all. + // Rules based off of some mailing list discussions: + // - If main font has a matrix and subfont doesn't, use the main matrix. + // - If no main font matrix and there is a subfont matrix, use the + // subfont matrix. + // - If both have matrices, concat together. + // - If neither have matrices, use default. + // To make this work on all platforms we move the top matrix into each + // sub top dict and concat if necessary. + if (cff.topDict.hasName('FontMatrix')) { + var base = cff.topDict.getByName('FontMatrix'); + cff.topDict.removeByName('FontMatrix'); + for (var i = 0, ii = cff.fdArray.length; i < ii; i++) { + var subDict = cff.fdArray[i]; + var matrix = base.slice(0); + if (subDict.hasName('FontMatrix')) { + matrix = Util.transform(matrix, subDict.getByName('FontMatrix')); + } + subDict.setByName('FontMatrix', matrix); + } + } + } + + var compiled = this.compileTopDicts([cff.topDict], + output.length, + cff.isCIDFont); + output.add(compiled.output); + var topDictTracker = compiled.trackers[0]; + + var stringIndex = this.compileStringIndex(cff.strings.strings); + output.add(stringIndex); + + var globalSubrIndex = this.compileIndex(cff.globalSubrIndex); + output.add(globalSubrIndex); + + // Now start on the other entries that have no specific order. + if (cff.encoding && cff.topDict.hasName('Encoding')) { + if (cff.encoding.predefined) { + topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], + output); + } else { + var encoding = this.compileEncoding(cff.encoding); + topDictTracker.setEntryLocation('Encoding', [output.length], output); + output.add(encoding); + } + } + + if (cff.charset && cff.topDict.hasName('charset')) { + if (cff.charset.predefined) { + topDictTracker.setEntryLocation('charset', [cff.charset.format], + output); + } else { + var charset = this.compileCharset(cff.charset); + topDictTracker.setEntryLocation('charset', [output.length], output); + output.add(charset); + } + } + + var charStrings = this.compileCharStrings(cff.charStrings); + topDictTracker.setEntryLocation('CharStrings', [output.length], output); + output.add(charStrings); + + if (cff.isCIDFont) { + // For some reason FDSelect must be in front of FDArray on windows. OSX + // and linux don't seem to care. + topDictTracker.setEntryLocation('FDSelect', [output.length], output); + var fdSelect = this.compileFDSelect(cff.fdSelect.raw); + output.add(fdSelect); + // It is unclear if the sub font dictionary can have CID related + // dictionary keys, but the sanitizer doesn't like them so remove them. + compiled = this.compileTopDicts(cff.fdArray, output.length, true); + topDictTracker.setEntryLocation('FDArray', [output.length], output); + output.add(compiled.output); + var fontDictTrackers = compiled.trackers; + + this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output); + } + + this.compilePrivateDicts([cff.topDict], [topDictTracker], output); + + // If the font data ends with INDEX whose object data is zero-length, + // the sanitizer will bail out. Add a dummy byte to avoid that. + output.add([0]); + + return output.data; + }, + encodeNumber: function CFFCompiler_encodeNumber(value) { + if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) { // isInt + return this.encodeInteger(value); + } else { + return this.encodeFloat(value); + } + }, + encodeFloat: function CFFCompiler_encodeFloat(num) { + var value = num.toString(); + + // rounding inaccurate doubles + var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value); + if (m) { + var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length)); + value = (Math.round(num * epsilon) / epsilon).toString(); + } + + var nibbles = ''; + var i, ii; + for (i = 0, ii = value.length; i < ii; ++i) { + var a = value[i]; + if (a === 'e') { + nibbles += value[++i] === '-' ? 'c' : 'b'; + } else if (a === '.') { + nibbles += 'a'; + } else if (a === '-') { + nibbles += 'e'; + } else { + nibbles += a; + } + } + nibbles += (nibbles.length & 1) ? 'f' : 'ff'; + var out = [30]; + for (i = 0, ii = nibbles.length; i < ii; i += 2) { + out.push(parseInt(nibbles.substr(i, 2), 16)); + } + return out; + }, + encodeInteger: function CFFCompiler_encodeInteger(value) { + var code; + if (value >= -107 && value <= 107) { + code = [value + 139]; + } else if (value >= 108 && value <= 1131) { + value = value - 108; + code = [(value >> 8) + 247, value & 0xFF]; + } else if (value >= -1131 && value <= -108) { + value = -value - 108; + code = [(value >> 8) + 251, value & 0xFF]; + } else if (value >= -32768 && value <= 32767) { + code = [0x1c, (value >> 8) & 0xFF, value & 0xFF]; + } else { + code = [0x1d, + (value >> 24) & 0xFF, + (value >> 16) & 0xFF, + (value >> 8) & 0xFF, + value & 0xFF]; + } + return code; + }, + compileHeader: function CFFCompiler_compileHeader(header) { + return [ + header.major, + header.minor, + header.hdrSize, + header.offSize + ]; + }, + compileNameIndex: function CFFCompiler_compileNameIndex(names) { + var nameIndex = new CFFIndex(); + for (var i = 0, ii = names.length; i < ii; ++i) { + nameIndex.add(stringToBytes(names[i])); + } + return this.compileIndex(nameIndex); + }, + compileTopDicts: function CFFCompiler_compileTopDicts(dicts, + length, + removeCidKeys) { + var fontDictTrackers = []; + var fdArrayIndex = new CFFIndex(); + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + if (removeCidKeys) { + fontDict.removeByName('CIDFontVersion'); + fontDict.removeByName('CIDFontRevision'); + fontDict.removeByName('CIDFontType'); + fontDict.removeByName('CIDCount'); + fontDict.removeByName('UIDBase'); + } + var fontDictTracker = new CFFOffsetTracker(); + var fontDictData = this.compileDict(fontDict, fontDictTracker); + fontDictTrackers.push(fontDictTracker); + fdArrayIndex.add(fontDictData); + fontDictTracker.offset(length); + } + fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers); + return { + trackers: fontDictTrackers, + output: fdArrayIndex + }; + }, + compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, + trackers, + output) { + for (var i = 0, ii = dicts.length; i < ii; ++i) { + var fontDict = dicts[i]; + assert(fontDict.privateDict && fontDict.hasName('Private'), + 'There must be an private dictionary.'); + var privateDict = fontDict.privateDict; + var privateDictTracker = new CFFOffsetTracker(); + var privateDictData = this.compileDict(privateDict, privateDictTracker); + + var outputLength = output.length; + privateDictTracker.offset(outputLength); + if (!privateDictData.length) { + // The private dictionary was empty, set the output length to zero to + // ensure the offset length isn't out of bounds in the eyes of the + // sanitizer. + outputLength = 0; + } + + trackers[i].setEntryLocation('Private', + [privateDictData.length, outputLength], + output); + output.add(privateDictData); + + if (privateDict.subrsIndex && privateDict.hasName('Subrs')) { + var subrs = this.compileIndex(privateDict.subrsIndex); + privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], + output); + output.add(subrs); + } + } + }, + compileDict: function CFFCompiler_compileDict(dict, offsetTracker) { + var out = []; + // The dictionary keys must be in a certain order. + var order = dict.order; + for (var i = 0; i < order.length; ++i) { + var key = order[i]; + if (!(key in dict.values)) { + continue; + } + var values = dict.values[key]; + var types = dict.types[key]; + if (!isArray(types)) { + types = [types]; + } + if (!isArray(values)) { + values = [values]; + } + + // Remove any empty dict values. + if (values.length === 0) { + continue; + } + + for (var j = 0, jj = types.length; j < jj; ++j) { + var type = types[j]; + var value = values[j]; + switch (type) { + case 'num': + case 'sid': + out = out.concat(this.encodeNumber(value)); + break; + case 'offset': + // For offsets we just insert a 32bit integer so we don't have to + // deal with figuring out the length of the offset when it gets + // replaced later on by the compiler. + var name = dict.keyToNameMap[key]; + // Some offsets have the offset and the length, so just record the + // position of the first one. + if (!offsetTracker.isTracking(name)) { + offsetTracker.track(name, out.length); + } + out = out.concat([0x1d, 0, 0, 0, 0]); + break; + case 'array': + case 'delta': + out = out.concat(this.encodeNumber(value)); + for (var k = 1, kk = values.length; k < kk; ++k) { + out = out.concat(this.encodeNumber(values[k])); + } + break; + default: + error('Unknown data type of ' + type); + break; + } + } + out = out.concat(dict.opcodes[key]); + } + return out; + }, + compileStringIndex: function CFFCompiler_compileStringIndex(strings) { + var stringIndex = new CFFIndex(); + for (var i = 0, ii = strings.length; i < ii; ++i) { + stringIndex.add(stringToBytes(strings[i])); + } + return this.compileIndex(stringIndex); + }, + compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() { + var globalSubrIndex = this.cff.globalSubrIndex; + this.out.writeByteArray(this.compileIndex(globalSubrIndex)); + }, + compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) { + return this.compileIndex(charStrings); + }, + compileCharset: function CFFCompiler_compileCharset(charset) { + return this.compileTypedArray(charset.raw); + }, + compileEncoding: function CFFCompiler_compileEncoding(encoding) { + return this.compileTypedArray(encoding.raw); + }, + compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) { + return this.compileTypedArray(fdSelect); + }, + compileTypedArray: function CFFCompiler_compileTypedArray(data) { + var out = []; + for (var i = 0, ii = data.length; i < ii; ++i) { + out[i] = data[i]; + } + return out; + }, + compileIndex: function CFFCompiler_compileIndex(index, trackers) { + trackers = trackers || []; + var objects = index.objects; + // First 2 bytes contains the number of objects contained into this index + var count = objects.length; + + // If there is no object, just create an index. This technically + // should just be [0, 0] but OTS has an issue with that. + if (count === 0) { + return [0, 0, 0]; + } + + var data = [(count >> 8) & 0xFF, count & 0xff]; + + var lastOffset = 1, i; + for (i = 0; i < count; ++i) { + lastOffset += objects[i].length; + } + + var offsetSize; + if (lastOffset < 0x100) { + offsetSize = 1; + } else if (lastOffset < 0x10000) { + offsetSize = 2; + } else if (lastOffset < 0x1000000) { + offsetSize = 3; + } else { + offsetSize = 4; + } + + // Next byte contains the offset size use to reference object in the file + data.push(offsetSize); + + // Add another offset after this one because we need a new offset + var relativeOffset = 1; + for (i = 0; i < count + 1; i++) { + if (offsetSize === 1) { + data.push(relativeOffset & 0xFF); + } else if (offsetSize === 2) { + data.push((relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } else if (offsetSize === 3) { + data.push((relativeOffset >> 16) & 0xFF, + (relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } else { + data.push((relativeOffset >>> 24) & 0xFF, + (relativeOffset >> 16) & 0xFF, + (relativeOffset >> 8) & 0xFF, + relativeOffset & 0xFF); + } + + if (objects[i]) { + relativeOffset += objects[i].length; + } + } + + for (i = 0; i < count; i++) { + // Notify the tracker where the object will be offset in the data. + if (trackers[i]) { + trackers[i].offset(data.length); + } + for (var j = 0, jj = objects[i].length; j < jj; j++) { + data.push(objects[i][j]); + } + } + return data; + } + }; + return CFFCompiler; +})(); + +exports.CFFStandardStrings = CFFStandardStrings; +exports.CFFParser = CFFParser; +exports.CFF = CFF; +exports.CFFHeader = CFFHeader; +exports.CFFStrings = CFFStrings; +exports.CFFIndex = CFFIndex; +exports.CFFCharset = CFFCharset; +exports.CFFTopDict = CFFTopDict; +exports.CFFPrivateDict = CFFPrivateDict; +exports.CFFCompiler = CFFCompiler; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreChunkedStream = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var MissingDataException = sharedUtil.MissingDataException; +var arrayByteLength = sharedUtil.arrayByteLength; +var arraysToBytes = sharedUtil.arraysToBytes; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var isInt = sharedUtil.isInt; +var isEmptyObj = sharedUtil.isEmptyObj; + +var ChunkedStream = (function ChunkedStreamClosure() { + function ChunkedStream(length, chunkSize, manager) { + this.bytes = new Uint8Array(length); + this.start = 0; + this.pos = 0; + this.end = length; + this.chunkSize = chunkSize; + this.loadedChunks = []; + this.numChunksLoaded = 0; + this.numChunks = Math.ceil(length / chunkSize); + this.manager = manager; + this.progressiveDataLength = 0; + this.lastSuccessfulEnsureByteChunk = -1; // a single-entry cache + } + + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + ChunkedStream.prototype = { + + getMissingChunks: function ChunkedStream_getMissingChunks() { + var chunks = []; + for (var chunk = 0, n = this.numChunks; chunk < n; ++chunk) { + if (!this.loadedChunks[chunk]) { + chunks.push(chunk); + } + } + return chunks; + }, + + getBaseStreams: function ChunkedStream_getBaseStreams() { + return [this]; + }, + + allChunksLoaded: function ChunkedStream_allChunksLoaded() { + return this.numChunksLoaded === this.numChunks; + }, + + onReceiveData: function ChunkedStream_onReceiveData(begin, chunk) { + var end = begin + chunk.byteLength; + + assert(begin % this.chunkSize === 0, 'Bad begin offset: ' + begin); + // Using this.length is inaccurate here since this.start can be moved + // See ChunkedStream.moveStart() + var length = this.bytes.length; + assert(end % this.chunkSize === 0 || end === length, + 'Bad end offset: ' + end); + + this.bytes.set(new Uint8Array(chunk), begin); + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + var curChunk; + + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + onReceiveProgressiveData: + function ChunkedStream_onReceiveProgressiveData(data) { + var position = this.progressiveDataLength; + var beginChunk = Math.floor(position / this.chunkSize); + + this.bytes.set(new Uint8Array(data), position); + position += data.byteLength; + this.progressiveDataLength = position; + var endChunk = position >= this.end ? this.numChunks : + Math.floor(position / this.chunkSize); + var curChunk; + for (curChunk = beginChunk; curChunk < endChunk; ++curChunk) { + if (!this.loadedChunks[curChunk]) { + this.loadedChunks[curChunk] = true; + ++this.numChunksLoaded; + } + } + }, + + ensureByte: function ChunkedStream_ensureByte(pos) { + var chunk = Math.floor(pos / this.chunkSize); + if (chunk === this.lastSuccessfulEnsureByteChunk) { + return; + } + + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(pos, pos + 1); + } + this.lastSuccessfulEnsureByteChunk = chunk; + }, + + ensureRange: function ChunkedStream_ensureRange(begin, end) { + if (begin >= end) { + return; + } + + if (end <= this.progressiveDataLength) { + return; + } + + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(begin / chunkSize); + var endChunk = Math.floor((end - 1) / chunkSize) + 1; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + throw new MissingDataException(begin, end); + } + } + }, + + nextEmptyChunk: function ChunkedStream_nextEmptyChunk(beginChunk) { + var chunk, numChunks = this.numChunks; + for (var i = 0; i < numChunks; ++i) { + chunk = (beginChunk + i) % numChunks; // Wrap around to beginning + if (!this.loadedChunks[chunk]) { + return chunk; + } + } + return null; + }, + + hasChunk: function ChunkedStream_hasChunk(chunk) { + return !!this.loadedChunks[chunk]; + }, + + get length() { + return this.end - this.start; + }, + + get isEmpty() { + return this.length === 0; + }, + + getByte: function ChunkedStream_getByte() { + var pos = this.pos; + if (pos >= this.end) { + return -1; + } + this.ensureByte(pos); + return this.bytes[this.pos++]; + }, + + getUint16: function ChunkedStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + + getInt32: function ChunkedStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + + // returns subarray of original buffer + // should only be read + getBytes: function ChunkedStream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + + if (!length) { + this.ensureRange(pos, strEnd); + return bytes.subarray(pos, strEnd); + } + + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.ensureRange(pos, end); + + this.pos = end; + return bytes.subarray(pos, end); + }, + + peekByte: function ChunkedStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + + peekBytes: function ChunkedStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + + getByteRange: function ChunkedStream_getBytes(begin, end) { + this.ensureRange(begin, end); + return this.bytes.subarray(begin, end); + }, + + skip: function ChunkedStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + + reset: function ChunkedStream_reset() { + this.pos = this.start; + }, + + moveStart: function ChunkedStream_moveStart() { + this.start = this.pos; + }, + + makeSubStream: function ChunkedStream_makeSubStream(start, length, dict) { + this.ensureRange(start, start + length); + + function ChunkedStreamSubstream() {} + ChunkedStreamSubstream.prototype = Object.create(this); + ChunkedStreamSubstream.prototype.getMissingChunks = function() { + var chunkSize = this.chunkSize; + var beginChunk = Math.floor(this.start / chunkSize); + var endChunk = Math.floor((this.end - 1) / chunkSize) + 1; + var missingChunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (!this.loadedChunks[chunk]) { + missingChunks.push(chunk); + } + } + return missingChunks; + }; + var subStream = new ChunkedStreamSubstream(); + subStream.pos = subStream.start = start; + subStream.end = start + length || this.end; + subStream.dict = dict; + return subStream; + }, + + isStream: true + }; + + return ChunkedStream; +})(); + +var ChunkedStreamManager = (function ChunkedStreamManagerClosure() { + + function ChunkedStreamManager(pdfNetworkStream, args) { + var chunkSize = args.rangeChunkSize; + var length = args.length; + this.stream = new ChunkedStream(length, chunkSize, this); + this.length = length; + this.chunkSize = chunkSize; + this.pdfNetworkStream = pdfNetworkStream; + this.url = args.url; + this.disableAutoFetch = args.disableAutoFetch; + this.msgHandler = args.msgHandler; + + this.currRequestId = 0; + + this.chunksNeededByRequest = Object.create(null); + this.requestsByChunk = Object.create(null); + this.promisesByRequest = Object.create(null); + this.progressiveDataLength = 0; + this.aborted = false; + + this._loadedStreamCapability = createPromiseCapability(); + } + + ChunkedStreamManager.prototype = { + onLoadedStream: function ChunkedStreamManager_getLoadedStream() { + return this._loadedStreamCapability.promise; + }, + + sendRequest: function ChunkedStreamManager_sendRequest(begin, end) { + var rangeReader = this.pdfNetworkStream.getRangeReader(begin, end); + if (!rangeReader.isStreamingSupported) { + rangeReader.onProgress = this.onProgress.bind(this); + } + var chunks = [], loaded = 0; + var manager = this; + var promise = new Promise(function (resolve, reject) { + var readChunk = function (chunk) { + try { + if (!chunk.done) { + var data = chunk.value; + chunks.push(data); + loaded += arrayByteLength(data); + if (rangeReader.isStreamingSupported) { + manager.onProgress({loaded: loaded}); + } + rangeReader.read().then(readChunk, reject); + return; + } + var chunkData = arraysToBytes(chunks); + chunks = null; + resolve(chunkData); + } catch (e) { + reject(e); + } + }; + rangeReader.read().then(readChunk, reject); + }); + promise.then(function (data) { + if (this.aborted) { + return; // ignoring any data after abort + } + this.onReceiveData({chunk: data, begin: begin}); + }.bind(this)); + // TODO check errors + }, + + // Get all the chunks that are not yet loaded and groups them into + // contiguous ranges to load in as few requests as possible + requestAllChunks: function ChunkedStreamManager_requestAllChunks() { + var missingChunks = this.stream.getMissingChunks(); + this._requestChunks(missingChunks); + return this._loadedStreamCapability.promise; + }, + + _requestChunks: function ChunkedStreamManager_requestChunks(chunks) { + var requestId = this.currRequestId++; + + var i, ii; + var chunksNeeded = Object.create(null); + this.chunksNeededByRequest[requestId] = chunksNeeded; + for (i = 0, ii = chunks.length; i < ii; i++) { + if (!this.stream.hasChunk(chunks[i])) { + chunksNeeded[chunks[i]] = true; + } + } + + if (isEmptyObj(chunksNeeded)) { + return Promise.resolve(); + } + + var capability = createPromiseCapability(); + this.promisesByRequest[requestId] = capability; + + var chunksToRequest = []; + for (var chunk in chunksNeeded) { + chunk = chunk | 0; + if (!(chunk in this.requestsByChunk)) { + this.requestsByChunk[chunk] = []; + chunksToRequest.push(chunk); + } + this.requestsByChunk[chunk].push(requestId); + } + + if (!chunksToRequest.length) { + return capability.promise; + } + + var groupedChunksToRequest = this.groupChunks(chunksToRequest); + + for (i = 0; i < groupedChunksToRequest.length; ++i) { + var groupedChunk = groupedChunksToRequest[i]; + var begin = groupedChunk.beginChunk * this.chunkSize; + var end = Math.min(groupedChunk.endChunk * this.chunkSize, this.length); + this.sendRequest(begin, end); + } + + return capability.promise; + }, + + getStream: function ChunkedStreamManager_getStream() { + return this.stream; + }, + + // Loads any chunks in the requested range that are not yet loaded + requestRange: function ChunkedStreamManager_requestRange(begin, end) { + + end = Math.min(end, this.length); + + var beginChunk = this.getBeginChunk(begin); + var endChunk = this.getEndChunk(end); + + var chunks = []; + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + chunks.push(chunk); + } + + return this._requestChunks(chunks); + }, + + requestRanges: function ChunkedStreamManager_requestRanges(ranges) { + ranges = ranges || []; + var chunksToRequest = []; + + for (var i = 0; i < ranges.length; i++) { + var beginChunk = this.getBeginChunk(ranges[i].begin); + var endChunk = this.getEndChunk(ranges[i].end); + for (var chunk = beginChunk; chunk < endChunk; ++chunk) { + if (chunksToRequest.indexOf(chunk) < 0) { + chunksToRequest.push(chunk); + } + } + } + + chunksToRequest.sort(function(a, b) { return a - b; }); + return this._requestChunks(chunksToRequest); + }, + + // Groups a sorted array of chunks into as few contiguous larger + // chunks as possible + groupChunks: function ChunkedStreamManager_groupChunks(chunks) { + var groupedChunks = []; + var beginChunk = -1; + var prevChunk = -1; + for (var i = 0; i < chunks.length; ++i) { + var chunk = chunks[i]; + + if (beginChunk < 0) { + beginChunk = chunk; + } + + if (prevChunk >= 0 && prevChunk + 1 !== chunk) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: prevChunk + 1 }); + beginChunk = chunk; + } + if (i + 1 === chunks.length) { + groupedChunks.push({ beginChunk: beginChunk, + endChunk: chunk + 1 }); + } + + prevChunk = chunk; + } + return groupedChunks; + }, + + onProgress: function ChunkedStreamManager_onProgress(args) { + var bytesLoaded = (this.stream.numChunksLoaded * this.chunkSize + + args.loaded); + this.msgHandler.send('DocProgress', { + loaded: bytesLoaded, + total: this.length + }); + }, + + onReceiveData: function ChunkedStreamManager_onReceiveData(args) { + var chunk = args.chunk; + var isProgressive = args.begin === undefined; + var begin = isProgressive ? this.progressiveDataLength : args.begin; + var end = begin + chunk.byteLength; + + var beginChunk = Math.floor(begin / this.chunkSize); + var endChunk = end < this.length ? Math.floor(end / this.chunkSize) : + Math.ceil(end / this.chunkSize); + + if (isProgressive) { + this.stream.onReceiveProgressiveData(chunk); + this.progressiveDataLength = end; + } else { + this.stream.onReceiveData(begin, chunk); + } + + if (this.stream.allChunksLoaded()) { + this._loadedStreamCapability.resolve(this.stream); + } + + var loadedRequests = []; + var i, requestId; + for (chunk = beginChunk; chunk < endChunk; ++chunk) { + // The server might return more chunks than requested + var requestIds = this.requestsByChunk[chunk] || []; + delete this.requestsByChunk[chunk]; + + for (i = 0; i < requestIds.length; ++i) { + requestId = requestIds[i]; + var chunksNeeded = this.chunksNeededByRequest[requestId]; + if (chunk in chunksNeeded) { + delete chunksNeeded[chunk]; + } + + if (!isEmptyObj(chunksNeeded)) { + continue; + } + + loadedRequests.push(requestId); + } + } + + // If there are no pending requests, automatically fetch the next + // unfetched chunk of the PDF + if (!this.disableAutoFetch && isEmptyObj(this.requestsByChunk)) { + var nextEmptyChunk; + if (this.stream.numChunksLoaded === 1) { + // This is a special optimization so that after fetching the first + // chunk, rather than fetching the second chunk, we fetch the last + // chunk. + var lastChunk = this.stream.numChunks - 1; + if (!this.stream.hasChunk(lastChunk)) { + nextEmptyChunk = lastChunk; + } + } else { + nextEmptyChunk = this.stream.nextEmptyChunk(endChunk); + } + if (isInt(nextEmptyChunk)) { + this._requestChunks([nextEmptyChunk]); + } + } + + for (i = 0; i < loadedRequests.length; ++i) { + requestId = loadedRequests[i]; + var capability = this.promisesByRequest[requestId]; + delete this.promisesByRequest[requestId]; + capability.resolve(); + } + + this.msgHandler.send('DocProgress', { + loaded: this.stream.numChunksLoaded * this.chunkSize, + total: this.length + }); + }, + + onError: function ChunkedStreamManager_onError(err) { + this._loadedStreamCapability.reject(err); + }, + + getBeginChunk: function ChunkedStreamManager_getBeginChunk(begin) { + var chunk = Math.floor(begin / this.chunkSize); + return chunk; + }, + + getEndChunk: function ChunkedStreamManager_getEndChunk(end) { + var chunk = Math.floor((end - 1) / this.chunkSize) + 1; + return chunk; + }, + + abort: function ChunkedStreamManager_abort() { + this.aborted = true; + if (this.pdfNetworkStream) { + this.pdfNetworkStream.cancelAllRequests('abort'); + } + for(var requestId in this.promisesByRequest) { + var capability = this.promisesByRequest[requestId]; + capability.reject(new Error('Request was aborted')); + } + } + }; + + return ChunkedStreamManager; +})(); + +exports.ChunkedStream = ChunkedStream; +exports.ChunkedStreamManager = ChunkedStreamManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreGlyphList = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { +var getLookupTableFactory = sharedUtil.getLookupTableFactory; + +var getGlyphsUnicode = getLookupTableFactory(function (t) { + t['A'] = 0x0041; + t['AE'] = 0x00C6; + t['AEacute'] = 0x01FC; + t['AEmacron'] = 0x01E2; + t['AEsmall'] = 0xF7E6; + t['Aacute'] = 0x00C1; + t['Aacutesmall'] = 0xF7E1; + t['Abreve'] = 0x0102; + t['Abreveacute'] = 0x1EAE; + t['Abrevecyrillic'] = 0x04D0; + t['Abrevedotbelow'] = 0x1EB6; + t['Abrevegrave'] = 0x1EB0; + t['Abrevehookabove'] = 0x1EB2; + t['Abrevetilde'] = 0x1EB4; + t['Acaron'] = 0x01CD; + t['Acircle'] = 0x24B6; + t['Acircumflex'] = 0x00C2; + t['Acircumflexacute'] = 0x1EA4; + t['Acircumflexdotbelow'] = 0x1EAC; + t['Acircumflexgrave'] = 0x1EA6; + t['Acircumflexhookabove'] = 0x1EA8; + t['Acircumflexsmall'] = 0xF7E2; + t['Acircumflextilde'] = 0x1EAA; + t['Acute'] = 0xF6C9; + t['Acutesmall'] = 0xF7B4; + t['Acyrillic'] = 0x0410; + t['Adblgrave'] = 0x0200; + t['Adieresis'] = 0x00C4; + t['Adieresiscyrillic'] = 0x04D2; + t['Adieresismacron'] = 0x01DE; + t['Adieresissmall'] = 0xF7E4; + t['Adotbelow'] = 0x1EA0; + t['Adotmacron'] = 0x01E0; + t['Agrave'] = 0x00C0; + t['Agravesmall'] = 0xF7E0; + t['Ahookabove'] = 0x1EA2; + t['Aiecyrillic'] = 0x04D4; + t['Ainvertedbreve'] = 0x0202; + t['Alpha'] = 0x0391; + t['Alphatonos'] = 0x0386; + t['Amacron'] = 0x0100; + t['Amonospace'] = 0xFF21; + t['Aogonek'] = 0x0104; + t['Aring'] = 0x00C5; + t['Aringacute'] = 0x01FA; + t['Aringbelow'] = 0x1E00; + t['Aringsmall'] = 0xF7E5; + t['Asmall'] = 0xF761; + t['Atilde'] = 0x00C3; + t['Atildesmall'] = 0xF7E3; + t['Aybarmenian'] = 0x0531; + t['B'] = 0x0042; + t['Bcircle'] = 0x24B7; + t['Bdotaccent'] = 0x1E02; + t['Bdotbelow'] = 0x1E04; + t['Becyrillic'] = 0x0411; + t['Benarmenian'] = 0x0532; + t['Beta'] = 0x0392; + t['Bhook'] = 0x0181; + t['Blinebelow'] = 0x1E06; + t['Bmonospace'] = 0xFF22; + t['Brevesmall'] = 0xF6F4; + t['Bsmall'] = 0xF762; + t['Btopbar'] = 0x0182; + t['C'] = 0x0043; + t['Caarmenian'] = 0x053E; + t['Cacute'] = 0x0106; + t['Caron'] = 0xF6CA; + t['Caronsmall'] = 0xF6F5; + t['Ccaron'] = 0x010C; + t['Ccedilla'] = 0x00C7; + t['Ccedillaacute'] = 0x1E08; + t['Ccedillasmall'] = 0xF7E7; + t['Ccircle'] = 0x24B8; + t['Ccircumflex'] = 0x0108; + t['Cdot'] = 0x010A; + t['Cdotaccent'] = 0x010A; + t['Cedillasmall'] = 0xF7B8; + t['Chaarmenian'] = 0x0549; + t['Cheabkhasiancyrillic'] = 0x04BC; + t['Checyrillic'] = 0x0427; + t['Chedescenderabkhasiancyrillic'] = 0x04BE; + t['Chedescendercyrillic'] = 0x04B6; + t['Chedieresiscyrillic'] = 0x04F4; + t['Cheharmenian'] = 0x0543; + t['Chekhakassiancyrillic'] = 0x04CB; + t['Cheverticalstrokecyrillic'] = 0x04B8; + t['Chi'] = 0x03A7; + t['Chook'] = 0x0187; + t['Circumflexsmall'] = 0xF6F6; + t['Cmonospace'] = 0xFF23; + t['Coarmenian'] = 0x0551; + t['Csmall'] = 0xF763; + t['D'] = 0x0044; + t['DZ'] = 0x01F1; + t['DZcaron'] = 0x01C4; + t['Daarmenian'] = 0x0534; + t['Dafrican'] = 0x0189; + t['Dcaron'] = 0x010E; + t['Dcedilla'] = 0x1E10; + t['Dcircle'] = 0x24B9; + t['Dcircumflexbelow'] = 0x1E12; + t['Dcroat'] = 0x0110; + t['Ddotaccent'] = 0x1E0A; + t['Ddotbelow'] = 0x1E0C; + t['Decyrillic'] = 0x0414; + t['Deicoptic'] = 0x03EE; + t['Delta'] = 0x2206; + t['Deltagreek'] = 0x0394; + t['Dhook'] = 0x018A; + t['Dieresis'] = 0xF6CB; + t['DieresisAcute'] = 0xF6CC; + t['DieresisGrave'] = 0xF6CD; + t['Dieresissmall'] = 0xF7A8; + t['Digammagreek'] = 0x03DC; + t['Djecyrillic'] = 0x0402; + t['Dlinebelow'] = 0x1E0E; + t['Dmonospace'] = 0xFF24; + t['Dotaccentsmall'] = 0xF6F7; + t['Dslash'] = 0x0110; + t['Dsmall'] = 0xF764; + t['Dtopbar'] = 0x018B; + t['Dz'] = 0x01F2; + t['Dzcaron'] = 0x01C5; + t['Dzeabkhasiancyrillic'] = 0x04E0; + t['Dzecyrillic'] = 0x0405; + t['Dzhecyrillic'] = 0x040F; + t['E'] = 0x0045; + t['Eacute'] = 0x00C9; + t['Eacutesmall'] = 0xF7E9; + t['Ebreve'] = 0x0114; + t['Ecaron'] = 0x011A; + t['Ecedillabreve'] = 0x1E1C; + t['Echarmenian'] = 0x0535; + t['Ecircle'] = 0x24BA; + t['Ecircumflex'] = 0x00CA; + t['Ecircumflexacute'] = 0x1EBE; + t['Ecircumflexbelow'] = 0x1E18; + t['Ecircumflexdotbelow'] = 0x1EC6; + t['Ecircumflexgrave'] = 0x1EC0; + t['Ecircumflexhookabove'] = 0x1EC2; + t['Ecircumflexsmall'] = 0xF7EA; + t['Ecircumflextilde'] = 0x1EC4; + t['Ecyrillic'] = 0x0404; + t['Edblgrave'] = 0x0204; + t['Edieresis'] = 0x00CB; + t['Edieresissmall'] = 0xF7EB; + t['Edot'] = 0x0116; + t['Edotaccent'] = 0x0116; + t['Edotbelow'] = 0x1EB8; + t['Efcyrillic'] = 0x0424; + t['Egrave'] = 0x00C8; + t['Egravesmall'] = 0xF7E8; + t['Eharmenian'] = 0x0537; + t['Ehookabove'] = 0x1EBA; + t['Eightroman'] = 0x2167; + t['Einvertedbreve'] = 0x0206; + t['Eiotifiedcyrillic'] = 0x0464; + t['Elcyrillic'] = 0x041B; + t['Elevenroman'] = 0x216A; + t['Emacron'] = 0x0112; + t['Emacronacute'] = 0x1E16; + t['Emacrongrave'] = 0x1E14; + t['Emcyrillic'] = 0x041C; + t['Emonospace'] = 0xFF25; + t['Encyrillic'] = 0x041D; + t['Endescendercyrillic'] = 0x04A2; + t['Eng'] = 0x014A; + t['Enghecyrillic'] = 0x04A4; + t['Enhookcyrillic'] = 0x04C7; + t['Eogonek'] = 0x0118; + t['Eopen'] = 0x0190; + t['Epsilon'] = 0x0395; + t['Epsilontonos'] = 0x0388; + t['Ercyrillic'] = 0x0420; + t['Ereversed'] = 0x018E; + t['Ereversedcyrillic'] = 0x042D; + t['Escyrillic'] = 0x0421; + t['Esdescendercyrillic'] = 0x04AA; + t['Esh'] = 0x01A9; + t['Esmall'] = 0xF765; + t['Eta'] = 0x0397; + t['Etarmenian'] = 0x0538; + t['Etatonos'] = 0x0389; + t['Eth'] = 0x00D0; + t['Ethsmall'] = 0xF7F0; + t['Etilde'] = 0x1EBC; + t['Etildebelow'] = 0x1E1A; + t['Euro'] = 0x20AC; + t['Ezh'] = 0x01B7; + t['Ezhcaron'] = 0x01EE; + t['Ezhreversed'] = 0x01B8; + t['F'] = 0x0046; + t['Fcircle'] = 0x24BB; + t['Fdotaccent'] = 0x1E1E; + t['Feharmenian'] = 0x0556; + t['Feicoptic'] = 0x03E4; + t['Fhook'] = 0x0191; + t['Fitacyrillic'] = 0x0472; + t['Fiveroman'] = 0x2164; + t['Fmonospace'] = 0xFF26; + t['Fourroman'] = 0x2163; + t['Fsmall'] = 0xF766; + t['G'] = 0x0047; + t['GBsquare'] = 0x3387; + t['Gacute'] = 0x01F4; + t['Gamma'] = 0x0393; + t['Gammaafrican'] = 0x0194; + t['Gangiacoptic'] = 0x03EA; + t['Gbreve'] = 0x011E; + t['Gcaron'] = 0x01E6; + t['Gcedilla'] = 0x0122; + t['Gcircle'] = 0x24BC; + t['Gcircumflex'] = 0x011C; + t['Gcommaaccent'] = 0x0122; + t['Gdot'] = 0x0120; + t['Gdotaccent'] = 0x0120; + t['Gecyrillic'] = 0x0413; + t['Ghadarmenian'] = 0x0542; + t['Ghemiddlehookcyrillic'] = 0x0494; + t['Ghestrokecyrillic'] = 0x0492; + t['Gheupturncyrillic'] = 0x0490; + t['Ghook'] = 0x0193; + t['Gimarmenian'] = 0x0533; + t['Gjecyrillic'] = 0x0403; + t['Gmacron'] = 0x1E20; + t['Gmonospace'] = 0xFF27; + t['Grave'] = 0xF6CE; + t['Gravesmall'] = 0xF760; + t['Gsmall'] = 0xF767; + t['Gsmallhook'] = 0x029B; + t['Gstroke'] = 0x01E4; + t['H'] = 0x0048; + t['H18533'] = 0x25CF; + t['H18543'] = 0x25AA; + t['H18551'] = 0x25AB; + t['H22073'] = 0x25A1; + t['HPsquare'] = 0x33CB; + t['Haabkhasiancyrillic'] = 0x04A8; + t['Hadescendercyrillic'] = 0x04B2; + t['Hardsigncyrillic'] = 0x042A; + t['Hbar'] = 0x0126; + t['Hbrevebelow'] = 0x1E2A; + t['Hcedilla'] = 0x1E28; + t['Hcircle'] = 0x24BD; + t['Hcircumflex'] = 0x0124; + t['Hdieresis'] = 0x1E26; + t['Hdotaccent'] = 0x1E22; + t['Hdotbelow'] = 0x1E24; + t['Hmonospace'] = 0xFF28; + t['Hoarmenian'] = 0x0540; + t['Horicoptic'] = 0x03E8; + t['Hsmall'] = 0xF768; + t['Hungarumlaut'] = 0xF6CF; + t['Hungarumlautsmall'] = 0xF6F8; + t['Hzsquare'] = 0x3390; + t['I'] = 0x0049; + t['IAcyrillic'] = 0x042F; + t['IJ'] = 0x0132; + t['IUcyrillic'] = 0x042E; + t['Iacute'] = 0x00CD; + t['Iacutesmall'] = 0xF7ED; + t['Ibreve'] = 0x012C; + t['Icaron'] = 0x01CF; + t['Icircle'] = 0x24BE; + t['Icircumflex'] = 0x00CE; + t['Icircumflexsmall'] = 0xF7EE; + t['Icyrillic'] = 0x0406; + t['Idblgrave'] = 0x0208; + t['Idieresis'] = 0x00CF; + t['Idieresisacute'] = 0x1E2E; + t['Idieresiscyrillic'] = 0x04E4; + t['Idieresissmall'] = 0xF7EF; + t['Idot'] = 0x0130; + t['Idotaccent'] = 0x0130; + t['Idotbelow'] = 0x1ECA; + t['Iebrevecyrillic'] = 0x04D6; + t['Iecyrillic'] = 0x0415; + t['Ifraktur'] = 0x2111; + t['Igrave'] = 0x00CC; + t['Igravesmall'] = 0xF7EC; + t['Ihookabove'] = 0x1EC8; + t['Iicyrillic'] = 0x0418; + t['Iinvertedbreve'] = 0x020A; + t['Iishortcyrillic'] = 0x0419; + t['Imacron'] = 0x012A; + t['Imacroncyrillic'] = 0x04E2; + t['Imonospace'] = 0xFF29; + t['Iniarmenian'] = 0x053B; + t['Iocyrillic'] = 0x0401; + t['Iogonek'] = 0x012E; + t['Iota'] = 0x0399; + t['Iotaafrican'] = 0x0196; + t['Iotadieresis'] = 0x03AA; + t['Iotatonos'] = 0x038A; + t['Ismall'] = 0xF769; + t['Istroke'] = 0x0197; + t['Itilde'] = 0x0128; + t['Itildebelow'] = 0x1E2C; + t['Izhitsacyrillic'] = 0x0474; + t['Izhitsadblgravecyrillic'] = 0x0476; + t['J'] = 0x004A; + t['Jaarmenian'] = 0x0541; + t['Jcircle'] = 0x24BF; + t['Jcircumflex'] = 0x0134; + t['Jecyrillic'] = 0x0408; + t['Jheharmenian'] = 0x054B; + t['Jmonospace'] = 0xFF2A; + t['Jsmall'] = 0xF76A; + t['K'] = 0x004B; + t['KBsquare'] = 0x3385; + t['KKsquare'] = 0x33CD; + t['Kabashkircyrillic'] = 0x04A0; + t['Kacute'] = 0x1E30; + t['Kacyrillic'] = 0x041A; + t['Kadescendercyrillic'] = 0x049A; + t['Kahookcyrillic'] = 0x04C3; + t['Kappa'] = 0x039A; + t['Kastrokecyrillic'] = 0x049E; + t['Kaverticalstrokecyrillic'] = 0x049C; + t['Kcaron'] = 0x01E8; + t['Kcedilla'] = 0x0136; + t['Kcircle'] = 0x24C0; + t['Kcommaaccent'] = 0x0136; + t['Kdotbelow'] = 0x1E32; + t['Keharmenian'] = 0x0554; + t['Kenarmenian'] = 0x053F; + t['Khacyrillic'] = 0x0425; + t['Kheicoptic'] = 0x03E6; + t['Khook'] = 0x0198; + t['Kjecyrillic'] = 0x040C; + t['Klinebelow'] = 0x1E34; + t['Kmonospace'] = 0xFF2B; + t['Koppacyrillic'] = 0x0480; + t['Koppagreek'] = 0x03DE; + t['Ksicyrillic'] = 0x046E; + t['Ksmall'] = 0xF76B; + t['L'] = 0x004C; + t['LJ'] = 0x01C7; + t['LL'] = 0xF6BF; + t['Lacute'] = 0x0139; + t['Lambda'] = 0x039B; + t['Lcaron'] = 0x013D; + t['Lcedilla'] = 0x013B; + t['Lcircle'] = 0x24C1; + t['Lcircumflexbelow'] = 0x1E3C; + t['Lcommaaccent'] = 0x013B; + t['Ldot'] = 0x013F; + t['Ldotaccent'] = 0x013F; + t['Ldotbelow'] = 0x1E36; + t['Ldotbelowmacron'] = 0x1E38; + t['Liwnarmenian'] = 0x053C; + t['Lj'] = 0x01C8; + t['Ljecyrillic'] = 0x0409; + t['Llinebelow'] = 0x1E3A; + t['Lmonospace'] = 0xFF2C; + t['Lslash'] = 0x0141; + t['Lslashsmall'] = 0xF6F9; + t['Lsmall'] = 0xF76C; + t['M'] = 0x004D; + t['MBsquare'] = 0x3386; + t['Macron'] = 0xF6D0; + t['Macronsmall'] = 0xF7AF; + t['Macute'] = 0x1E3E; + t['Mcircle'] = 0x24C2; + t['Mdotaccent'] = 0x1E40; + t['Mdotbelow'] = 0x1E42; + t['Menarmenian'] = 0x0544; + t['Mmonospace'] = 0xFF2D; + t['Msmall'] = 0xF76D; + t['Mturned'] = 0x019C; + t['Mu'] = 0x039C; + t['N'] = 0x004E; + t['NJ'] = 0x01CA; + t['Nacute'] = 0x0143; + t['Ncaron'] = 0x0147; + t['Ncedilla'] = 0x0145; + t['Ncircle'] = 0x24C3; + t['Ncircumflexbelow'] = 0x1E4A; + t['Ncommaaccent'] = 0x0145; + t['Ndotaccent'] = 0x1E44; + t['Ndotbelow'] = 0x1E46; + t['Nhookleft'] = 0x019D; + t['Nineroman'] = 0x2168; + t['Nj'] = 0x01CB; + t['Njecyrillic'] = 0x040A; + t['Nlinebelow'] = 0x1E48; + t['Nmonospace'] = 0xFF2E; + t['Nowarmenian'] = 0x0546; + t['Nsmall'] = 0xF76E; + t['Ntilde'] = 0x00D1; + t['Ntildesmall'] = 0xF7F1; + t['Nu'] = 0x039D; + t['O'] = 0x004F; + t['OE'] = 0x0152; + t['OEsmall'] = 0xF6FA; + t['Oacute'] = 0x00D3; + t['Oacutesmall'] = 0xF7F3; + t['Obarredcyrillic'] = 0x04E8; + t['Obarreddieresiscyrillic'] = 0x04EA; + t['Obreve'] = 0x014E; + t['Ocaron'] = 0x01D1; + t['Ocenteredtilde'] = 0x019F; + t['Ocircle'] = 0x24C4; + t['Ocircumflex'] = 0x00D4; + t['Ocircumflexacute'] = 0x1ED0; + t['Ocircumflexdotbelow'] = 0x1ED8; + t['Ocircumflexgrave'] = 0x1ED2; + t['Ocircumflexhookabove'] = 0x1ED4; + t['Ocircumflexsmall'] = 0xF7F4; + t['Ocircumflextilde'] = 0x1ED6; + t['Ocyrillic'] = 0x041E; + t['Odblacute'] = 0x0150; + t['Odblgrave'] = 0x020C; + t['Odieresis'] = 0x00D6; + t['Odieresiscyrillic'] = 0x04E6; + t['Odieresissmall'] = 0xF7F6; + t['Odotbelow'] = 0x1ECC; + t['Ogoneksmall'] = 0xF6FB; + t['Ograve'] = 0x00D2; + t['Ogravesmall'] = 0xF7F2; + t['Oharmenian'] = 0x0555; + t['Ohm'] = 0x2126; + t['Ohookabove'] = 0x1ECE; + t['Ohorn'] = 0x01A0; + t['Ohornacute'] = 0x1EDA; + t['Ohorndotbelow'] = 0x1EE2; + t['Ohorngrave'] = 0x1EDC; + t['Ohornhookabove'] = 0x1EDE; + t['Ohorntilde'] = 0x1EE0; + t['Ohungarumlaut'] = 0x0150; + t['Oi'] = 0x01A2; + t['Oinvertedbreve'] = 0x020E; + t['Omacron'] = 0x014C; + t['Omacronacute'] = 0x1E52; + t['Omacrongrave'] = 0x1E50; + t['Omega'] = 0x2126; + t['Omegacyrillic'] = 0x0460; + t['Omegagreek'] = 0x03A9; + t['Omegaroundcyrillic'] = 0x047A; + t['Omegatitlocyrillic'] = 0x047C; + t['Omegatonos'] = 0x038F; + t['Omicron'] = 0x039F; + t['Omicrontonos'] = 0x038C; + t['Omonospace'] = 0xFF2F; + t['Oneroman'] = 0x2160; + t['Oogonek'] = 0x01EA; + t['Oogonekmacron'] = 0x01EC; + t['Oopen'] = 0x0186; + t['Oslash'] = 0x00D8; + t['Oslashacute'] = 0x01FE; + t['Oslashsmall'] = 0xF7F8; + t['Osmall'] = 0xF76F; + t['Ostrokeacute'] = 0x01FE; + t['Otcyrillic'] = 0x047E; + t['Otilde'] = 0x00D5; + t['Otildeacute'] = 0x1E4C; + t['Otildedieresis'] = 0x1E4E; + t['Otildesmall'] = 0xF7F5; + t['P'] = 0x0050; + t['Pacute'] = 0x1E54; + t['Pcircle'] = 0x24C5; + t['Pdotaccent'] = 0x1E56; + t['Pecyrillic'] = 0x041F; + t['Peharmenian'] = 0x054A; + t['Pemiddlehookcyrillic'] = 0x04A6; + t['Phi'] = 0x03A6; + t['Phook'] = 0x01A4; + t['Pi'] = 0x03A0; + t['Piwrarmenian'] = 0x0553; + t['Pmonospace'] = 0xFF30; + t['Psi'] = 0x03A8; + t['Psicyrillic'] = 0x0470; + t['Psmall'] = 0xF770; + t['Q'] = 0x0051; + t['Qcircle'] = 0x24C6; + t['Qmonospace'] = 0xFF31; + t['Qsmall'] = 0xF771; + t['R'] = 0x0052; + t['Raarmenian'] = 0x054C; + t['Racute'] = 0x0154; + t['Rcaron'] = 0x0158; + t['Rcedilla'] = 0x0156; + t['Rcircle'] = 0x24C7; + t['Rcommaaccent'] = 0x0156; + t['Rdblgrave'] = 0x0210; + t['Rdotaccent'] = 0x1E58; + t['Rdotbelow'] = 0x1E5A; + t['Rdotbelowmacron'] = 0x1E5C; + t['Reharmenian'] = 0x0550; + t['Rfraktur'] = 0x211C; + t['Rho'] = 0x03A1; + t['Ringsmall'] = 0xF6FC; + t['Rinvertedbreve'] = 0x0212; + t['Rlinebelow'] = 0x1E5E; + t['Rmonospace'] = 0xFF32; + t['Rsmall'] = 0xF772; + t['Rsmallinverted'] = 0x0281; + t['Rsmallinvertedsuperior'] = 0x02B6; + t['S'] = 0x0053; + t['SF010000'] = 0x250C; + t['SF020000'] = 0x2514; + t['SF030000'] = 0x2510; + t['SF040000'] = 0x2518; + t['SF050000'] = 0x253C; + t['SF060000'] = 0x252C; + t['SF070000'] = 0x2534; + t['SF080000'] = 0x251C; + t['SF090000'] = 0x2524; + t['SF100000'] = 0x2500; + t['SF110000'] = 0x2502; + t['SF190000'] = 0x2561; + t['SF200000'] = 0x2562; + t['SF210000'] = 0x2556; + t['SF220000'] = 0x2555; + t['SF230000'] = 0x2563; + t['SF240000'] = 0x2551; + t['SF250000'] = 0x2557; + t['SF260000'] = 0x255D; + t['SF270000'] = 0x255C; + t['SF280000'] = 0x255B; + t['SF360000'] = 0x255E; + t['SF370000'] = 0x255F; + t['SF380000'] = 0x255A; + t['SF390000'] = 0x2554; + t['SF400000'] = 0x2569; + t['SF410000'] = 0x2566; + t['SF420000'] = 0x2560; + t['SF430000'] = 0x2550; + t['SF440000'] = 0x256C; + t['SF450000'] = 0x2567; + t['SF460000'] = 0x2568; + t['SF470000'] = 0x2564; + t['SF480000'] = 0x2565; + t['SF490000'] = 0x2559; + t['SF500000'] = 0x2558; + t['SF510000'] = 0x2552; + t['SF520000'] = 0x2553; + t['SF530000'] = 0x256B; + t['SF540000'] = 0x256A; + t['Sacute'] = 0x015A; + t['Sacutedotaccent'] = 0x1E64; + t['Sampigreek'] = 0x03E0; + t['Scaron'] = 0x0160; + t['Scarondotaccent'] = 0x1E66; + t['Scaronsmall'] = 0xF6FD; + t['Scedilla'] = 0x015E; + t['Schwa'] = 0x018F; + t['Schwacyrillic'] = 0x04D8; + t['Schwadieresiscyrillic'] = 0x04DA; + t['Scircle'] = 0x24C8; + t['Scircumflex'] = 0x015C; + t['Scommaaccent'] = 0x0218; + t['Sdotaccent'] = 0x1E60; + t['Sdotbelow'] = 0x1E62; + t['Sdotbelowdotaccent'] = 0x1E68; + t['Seharmenian'] = 0x054D; + t['Sevenroman'] = 0x2166; + t['Shaarmenian'] = 0x0547; + t['Shacyrillic'] = 0x0428; + t['Shchacyrillic'] = 0x0429; + t['Sheicoptic'] = 0x03E2; + t['Shhacyrillic'] = 0x04BA; + t['Shimacoptic'] = 0x03EC; + t['Sigma'] = 0x03A3; + t['Sixroman'] = 0x2165; + t['Smonospace'] = 0xFF33; + t['Softsigncyrillic'] = 0x042C; + t['Ssmall'] = 0xF773; + t['Stigmagreek'] = 0x03DA; + t['T'] = 0x0054; + t['Tau'] = 0x03A4; + t['Tbar'] = 0x0166; + t['Tcaron'] = 0x0164; + t['Tcedilla'] = 0x0162; + t['Tcircle'] = 0x24C9; + t['Tcircumflexbelow'] = 0x1E70; + t['Tcommaaccent'] = 0x0162; + t['Tdotaccent'] = 0x1E6A; + t['Tdotbelow'] = 0x1E6C; + t['Tecyrillic'] = 0x0422; + t['Tedescendercyrillic'] = 0x04AC; + t['Tenroman'] = 0x2169; + t['Tetsecyrillic'] = 0x04B4; + t['Theta'] = 0x0398; + t['Thook'] = 0x01AC; + t['Thorn'] = 0x00DE; + t['Thornsmall'] = 0xF7FE; + t['Threeroman'] = 0x2162; + t['Tildesmall'] = 0xF6FE; + t['Tiwnarmenian'] = 0x054F; + t['Tlinebelow'] = 0x1E6E; + t['Tmonospace'] = 0xFF34; + t['Toarmenian'] = 0x0539; + t['Tonefive'] = 0x01BC; + t['Tonesix'] = 0x0184; + t['Tonetwo'] = 0x01A7; + t['Tretroflexhook'] = 0x01AE; + t['Tsecyrillic'] = 0x0426; + t['Tshecyrillic'] = 0x040B; + t['Tsmall'] = 0xF774; + t['Twelveroman'] = 0x216B; + t['Tworoman'] = 0x2161; + t['U'] = 0x0055; + t['Uacute'] = 0x00DA; + t['Uacutesmall'] = 0xF7FA; + t['Ubreve'] = 0x016C; + t['Ucaron'] = 0x01D3; + t['Ucircle'] = 0x24CA; + t['Ucircumflex'] = 0x00DB; + t['Ucircumflexbelow'] = 0x1E76; + t['Ucircumflexsmall'] = 0xF7FB; + t['Ucyrillic'] = 0x0423; + t['Udblacute'] = 0x0170; + t['Udblgrave'] = 0x0214; + t['Udieresis'] = 0x00DC; + t['Udieresisacute'] = 0x01D7; + t['Udieresisbelow'] = 0x1E72; + t['Udieresiscaron'] = 0x01D9; + t['Udieresiscyrillic'] = 0x04F0; + t['Udieresisgrave'] = 0x01DB; + t['Udieresismacron'] = 0x01D5; + t['Udieresissmall'] = 0xF7FC; + t['Udotbelow'] = 0x1EE4; + t['Ugrave'] = 0x00D9; + t['Ugravesmall'] = 0xF7F9; + t['Uhookabove'] = 0x1EE6; + t['Uhorn'] = 0x01AF; + t['Uhornacute'] = 0x1EE8; + t['Uhorndotbelow'] = 0x1EF0; + t['Uhorngrave'] = 0x1EEA; + t['Uhornhookabove'] = 0x1EEC; + t['Uhorntilde'] = 0x1EEE; + t['Uhungarumlaut'] = 0x0170; + t['Uhungarumlautcyrillic'] = 0x04F2; + t['Uinvertedbreve'] = 0x0216; + t['Ukcyrillic'] = 0x0478; + t['Umacron'] = 0x016A; + t['Umacroncyrillic'] = 0x04EE; + t['Umacrondieresis'] = 0x1E7A; + t['Umonospace'] = 0xFF35; + t['Uogonek'] = 0x0172; + t['Upsilon'] = 0x03A5; + t['Upsilon1'] = 0x03D2; + t['Upsilonacutehooksymbolgreek'] = 0x03D3; + t['Upsilonafrican'] = 0x01B1; + t['Upsilondieresis'] = 0x03AB; + t['Upsilondieresishooksymbolgreek'] = 0x03D4; + t['Upsilonhooksymbol'] = 0x03D2; + t['Upsilontonos'] = 0x038E; + t['Uring'] = 0x016E; + t['Ushortcyrillic'] = 0x040E; + t['Usmall'] = 0xF775; + t['Ustraightcyrillic'] = 0x04AE; + t['Ustraightstrokecyrillic'] = 0x04B0; + t['Utilde'] = 0x0168; + t['Utildeacute'] = 0x1E78; + t['Utildebelow'] = 0x1E74; + t['V'] = 0x0056; + t['Vcircle'] = 0x24CB; + t['Vdotbelow'] = 0x1E7E; + t['Vecyrillic'] = 0x0412; + t['Vewarmenian'] = 0x054E; + t['Vhook'] = 0x01B2; + t['Vmonospace'] = 0xFF36; + t['Voarmenian'] = 0x0548; + t['Vsmall'] = 0xF776; + t['Vtilde'] = 0x1E7C; + t['W'] = 0x0057; + t['Wacute'] = 0x1E82; + t['Wcircle'] = 0x24CC; + t['Wcircumflex'] = 0x0174; + t['Wdieresis'] = 0x1E84; + t['Wdotaccent'] = 0x1E86; + t['Wdotbelow'] = 0x1E88; + t['Wgrave'] = 0x1E80; + t['Wmonospace'] = 0xFF37; + t['Wsmall'] = 0xF777; + t['X'] = 0x0058; + t['Xcircle'] = 0x24CD; + t['Xdieresis'] = 0x1E8C; + t['Xdotaccent'] = 0x1E8A; + t['Xeharmenian'] = 0x053D; + t['Xi'] = 0x039E; + t['Xmonospace'] = 0xFF38; + t['Xsmall'] = 0xF778; + t['Y'] = 0x0059; + t['Yacute'] = 0x00DD; + t['Yacutesmall'] = 0xF7FD; + t['Yatcyrillic'] = 0x0462; + t['Ycircle'] = 0x24CE; + t['Ycircumflex'] = 0x0176; + t['Ydieresis'] = 0x0178; + t['Ydieresissmall'] = 0xF7FF; + t['Ydotaccent'] = 0x1E8E; + t['Ydotbelow'] = 0x1EF4; + t['Yericyrillic'] = 0x042B; + t['Yerudieresiscyrillic'] = 0x04F8; + t['Ygrave'] = 0x1EF2; + t['Yhook'] = 0x01B3; + t['Yhookabove'] = 0x1EF6; + t['Yiarmenian'] = 0x0545; + t['Yicyrillic'] = 0x0407; + t['Yiwnarmenian'] = 0x0552; + t['Ymonospace'] = 0xFF39; + t['Ysmall'] = 0xF779; + t['Ytilde'] = 0x1EF8; + t['Yusbigcyrillic'] = 0x046A; + t['Yusbigiotifiedcyrillic'] = 0x046C; + t['Yuslittlecyrillic'] = 0x0466; + t['Yuslittleiotifiedcyrillic'] = 0x0468; + t['Z'] = 0x005A; + t['Zaarmenian'] = 0x0536; + t['Zacute'] = 0x0179; + t['Zcaron'] = 0x017D; + t['Zcaronsmall'] = 0xF6FF; + t['Zcircle'] = 0x24CF; + t['Zcircumflex'] = 0x1E90; + t['Zdot'] = 0x017B; + t['Zdotaccent'] = 0x017B; + t['Zdotbelow'] = 0x1E92; + t['Zecyrillic'] = 0x0417; + t['Zedescendercyrillic'] = 0x0498; + t['Zedieresiscyrillic'] = 0x04DE; + t['Zeta'] = 0x0396; + t['Zhearmenian'] = 0x053A; + t['Zhebrevecyrillic'] = 0x04C1; + t['Zhecyrillic'] = 0x0416; + t['Zhedescendercyrillic'] = 0x0496; + t['Zhedieresiscyrillic'] = 0x04DC; + t['Zlinebelow'] = 0x1E94; + t['Zmonospace'] = 0xFF3A; + t['Zsmall'] = 0xF77A; + t['Zstroke'] = 0x01B5; + t['a'] = 0x0061; + t['aabengali'] = 0x0986; + t['aacute'] = 0x00E1; + t['aadeva'] = 0x0906; + t['aagujarati'] = 0x0A86; + t['aagurmukhi'] = 0x0A06; + t['aamatragurmukhi'] = 0x0A3E; + t['aarusquare'] = 0x3303; + t['aavowelsignbengali'] = 0x09BE; + t['aavowelsigndeva'] = 0x093E; + t['aavowelsigngujarati'] = 0x0ABE; + t['abbreviationmarkarmenian'] = 0x055F; + t['abbreviationsigndeva'] = 0x0970; + t['abengali'] = 0x0985; + t['abopomofo'] = 0x311A; + t['abreve'] = 0x0103; + t['abreveacute'] = 0x1EAF; + t['abrevecyrillic'] = 0x04D1; + t['abrevedotbelow'] = 0x1EB7; + t['abrevegrave'] = 0x1EB1; + t['abrevehookabove'] = 0x1EB3; + t['abrevetilde'] = 0x1EB5; + t['acaron'] = 0x01CE; + t['acircle'] = 0x24D0; + t['acircumflex'] = 0x00E2; + t['acircumflexacute'] = 0x1EA5; + t['acircumflexdotbelow'] = 0x1EAD; + t['acircumflexgrave'] = 0x1EA7; + t['acircumflexhookabove'] = 0x1EA9; + t['acircumflextilde'] = 0x1EAB; + t['acute'] = 0x00B4; + t['acutebelowcmb'] = 0x0317; + t['acutecmb'] = 0x0301; + t['acutecomb'] = 0x0301; + t['acutedeva'] = 0x0954; + t['acutelowmod'] = 0x02CF; + t['acutetonecmb'] = 0x0341; + t['acyrillic'] = 0x0430; + t['adblgrave'] = 0x0201; + t['addakgurmukhi'] = 0x0A71; + t['adeva'] = 0x0905; + t['adieresis'] = 0x00E4; + t['adieresiscyrillic'] = 0x04D3; + t['adieresismacron'] = 0x01DF; + t['adotbelow'] = 0x1EA1; + t['adotmacron'] = 0x01E1; + t['ae'] = 0x00E6; + t['aeacute'] = 0x01FD; + t['aekorean'] = 0x3150; + t['aemacron'] = 0x01E3; + t['afii00208'] = 0x2015; + t['afii08941'] = 0x20A4; + t['afii10017'] = 0x0410; + t['afii10018'] = 0x0411; + t['afii10019'] = 0x0412; + t['afii10020'] = 0x0413; + t['afii10021'] = 0x0414; + t['afii10022'] = 0x0415; + t['afii10023'] = 0x0401; + t['afii10024'] = 0x0416; + t['afii10025'] = 0x0417; + t['afii10026'] = 0x0418; + t['afii10027'] = 0x0419; + t['afii10028'] = 0x041A; + t['afii10029'] = 0x041B; + t['afii10030'] = 0x041C; + t['afii10031'] = 0x041D; + t['afii10032'] = 0x041E; + t['afii10033'] = 0x041F; + t['afii10034'] = 0x0420; + t['afii10035'] = 0x0421; + t['afii10036'] = 0x0422; + t['afii10037'] = 0x0423; + t['afii10038'] = 0x0424; + t['afii10039'] = 0x0425; + t['afii10040'] = 0x0426; + t['afii10041'] = 0x0427; + t['afii10042'] = 0x0428; + t['afii10043'] = 0x0429; + t['afii10044'] = 0x042A; + t['afii10045'] = 0x042B; + t['afii10046'] = 0x042C; + t['afii10047'] = 0x042D; + t['afii10048'] = 0x042E; + t['afii10049'] = 0x042F; + t['afii10050'] = 0x0490; + t['afii10051'] = 0x0402; + t['afii10052'] = 0x0403; + t['afii10053'] = 0x0404; + t['afii10054'] = 0x0405; + t['afii10055'] = 0x0406; + t['afii10056'] = 0x0407; + t['afii10057'] = 0x0408; + t['afii10058'] = 0x0409; + t['afii10059'] = 0x040A; + t['afii10060'] = 0x040B; + t['afii10061'] = 0x040C; + t['afii10062'] = 0x040E; + t['afii10063'] = 0xF6C4; + t['afii10064'] = 0xF6C5; + t['afii10065'] = 0x0430; + t['afii10066'] = 0x0431; + t['afii10067'] = 0x0432; + t['afii10068'] = 0x0433; + t['afii10069'] = 0x0434; + t['afii10070'] = 0x0435; + t['afii10071'] = 0x0451; + t['afii10072'] = 0x0436; + t['afii10073'] = 0x0437; + t['afii10074'] = 0x0438; + t['afii10075'] = 0x0439; + t['afii10076'] = 0x043A; + t['afii10077'] = 0x043B; + t['afii10078'] = 0x043C; + t['afii10079'] = 0x043D; + t['afii10080'] = 0x043E; + t['afii10081'] = 0x043F; + t['afii10082'] = 0x0440; + t['afii10083'] = 0x0441; + t['afii10084'] = 0x0442; + t['afii10085'] = 0x0443; + t['afii10086'] = 0x0444; + t['afii10087'] = 0x0445; + t['afii10088'] = 0x0446; + t['afii10089'] = 0x0447; + t['afii10090'] = 0x0448; + t['afii10091'] = 0x0449; + t['afii10092'] = 0x044A; + t['afii10093'] = 0x044B; + t['afii10094'] = 0x044C; + t['afii10095'] = 0x044D; + t['afii10096'] = 0x044E; + t['afii10097'] = 0x044F; + t['afii10098'] = 0x0491; + t['afii10099'] = 0x0452; + t['afii10100'] = 0x0453; + t['afii10101'] = 0x0454; + t['afii10102'] = 0x0455; + t['afii10103'] = 0x0456; + t['afii10104'] = 0x0457; + t['afii10105'] = 0x0458; + t['afii10106'] = 0x0459; + t['afii10107'] = 0x045A; + t['afii10108'] = 0x045B; + t['afii10109'] = 0x045C; + t['afii10110'] = 0x045E; + t['afii10145'] = 0x040F; + t['afii10146'] = 0x0462; + t['afii10147'] = 0x0472; + t['afii10148'] = 0x0474; + t['afii10192'] = 0xF6C6; + t['afii10193'] = 0x045F; + t['afii10194'] = 0x0463; + t['afii10195'] = 0x0473; + t['afii10196'] = 0x0475; + t['afii10831'] = 0xF6C7; + t['afii10832'] = 0xF6C8; + t['afii10846'] = 0x04D9; + t['afii299'] = 0x200E; + t['afii300'] = 0x200F; + t['afii301'] = 0x200D; + t['afii57381'] = 0x066A; + t['afii57388'] = 0x060C; + t['afii57392'] = 0x0660; + t['afii57393'] = 0x0661; + t['afii57394'] = 0x0662; + t['afii57395'] = 0x0663; + t['afii57396'] = 0x0664; + t['afii57397'] = 0x0665; + t['afii57398'] = 0x0666; + t['afii57399'] = 0x0667; + t['afii57400'] = 0x0668; + t['afii57401'] = 0x0669; + t['afii57403'] = 0x061B; + t['afii57407'] = 0x061F; + t['afii57409'] = 0x0621; + t['afii57410'] = 0x0622; + t['afii57411'] = 0x0623; + t['afii57412'] = 0x0624; + t['afii57413'] = 0x0625; + t['afii57414'] = 0x0626; + t['afii57415'] = 0x0627; + t['afii57416'] = 0x0628; + t['afii57417'] = 0x0629; + t['afii57418'] = 0x062A; + t['afii57419'] = 0x062B; + t['afii57420'] = 0x062C; + t['afii57421'] = 0x062D; + t['afii57422'] = 0x062E; + t['afii57423'] = 0x062F; + t['afii57424'] = 0x0630; + t['afii57425'] = 0x0631; + t['afii57426'] = 0x0632; + t['afii57427'] = 0x0633; + t['afii57428'] = 0x0634; + t['afii57429'] = 0x0635; + t['afii57430'] = 0x0636; + t['afii57431'] = 0x0637; + t['afii57432'] = 0x0638; + t['afii57433'] = 0x0639; + t['afii57434'] = 0x063A; + t['afii57440'] = 0x0640; + t['afii57441'] = 0x0641; + t['afii57442'] = 0x0642; + t['afii57443'] = 0x0643; + t['afii57444'] = 0x0644; + t['afii57445'] = 0x0645; + t['afii57446'] = 0x0646; + t['afii57448'] = 0x0648; + t['afii57449'] = 0x0649; + t['afii57450'] = 0x064A; + t['afii57451'] = 0x064B; + t['afii57452'] = 0x064C; + t['afii57453'] = 0x064D; + t['afii57454'] = 0x064E; + t['afii57455'] = 0x064F; + t['afii57456'] = 0x0650; + t['afii57457'] = 0x0651; + t['afii57458'] = 0x0652; + t['afii57470'] = 0x0647; + t['afii57505'] = 0x06A4; + t['afii57506'] = 0x067E; + t['afii57507'] = 0x0686; + t['afii57508'] = 0x0698; + t['afii57509'] = 0x06AF; + t['afii57511'] = 0x0679; + t['afii57512'] = 0x0688; + t['afii57513'] = 0x0691; + t['afii57514'] = 0x06BA; + t['afii57519'] = 0x06D2; + t['afii57534'] = 0x06D5; + t['afii57636'] = 0x20AA; + t['afii57645'] = 0x05BE; + t['afii57658'] = 0x05C3; + t['afii57664'] = 0x05D0; + t['afii57665'] = 0x05D1; + t['afii57666'] = 0x05D2; + t['afii57667'] = 0x05D3; + t['afii57668'] = 0x05D4; + t['afii57669'] = 0x05D5; + t['afii57670'] = 0x05D6; + t['afii57671'] = 0x05D7; + t['afii57672'] = 0x05D8; + t['afii57673'] = 0x05D9; + t['afii57674'] = 0x05DA; + t['afii57675'] = 0x05DB; + t['afii57676'] = 0x05DC; + t['afii57677'] = 0x05DD; + t['afii57678'] = 0x05DE; + t['afii57679'] = 0x05DF; + t['afii57680'] = 0x05E0; + t['afii57681'] = 0x05E1; + t['afii57682'] = 0x05E2; + t['afii57683'] = 0x05E3; + t['afii57684'] = 0x05E4; + t['afii57685'] = 0x05E5; + t['afii57686'] = 0x05E6; + t['afii57687'] = 0x05E7; + t['afii57688'] = 0x05E8; + t['afii57689'] = 0x05E9; + t['afii57690'] = 0x05EA; + t['afii57694'] = 0xFB2A; + t['afii57695'] = 0xFB2B; + t['afii57700'] = 0xFB4B; + t['afii57705'] = 0xFB1F; + t['afii57716'] = 0x05F0; + t['afii57717'] = 0x05F1; + t['afii57718'] = 0x05F2; + t['afii57723'] = 0xFB35; + t['afii57793'] = 0x05B4; + t['afii57794'] = 0x05B5; + t['afii57795'] = 0x05B6; + t['afii57796'] = 0x05BB; + t['afii57797'] = 0x05B8; + t['afii57798'] = 0x05B7; + t['afii57799'] = 0x05B0; + t['afii57800'] = 0x05B2; + t['afii57801'] = 0x05B1; + t['afii57802'] = 0x05B3; + t['afii57803'] = 0x05C2; + t['afii57804'] = 0x05C1; + t['afii57806'] = 0x05B9; + t['afii57807'] = 0x05BC; + t['afii57839'] = 0x05BD; + t['afii57841'] = 0x05BF; + t['afii57842'] = 0x05C0; + t['afii57929'] = 0x02BC; + t['afii61248'] = 0x2105; + t['afii61289'] = 0x2113; + t['afii61352'] = 0x2116; + t['afii61573'] = 0x202C; + t['afii61574'] = 0x202D; + t['afii61575'] = 0x202E; + t['afii61664'] = 0x200C; + t['afii63167'] = 0x066D; + t['afii64937'] = 0x02BD; + t['agrave'] = 0x00E0; + t['agujarati'] = 0x0A85; + t['agurmukhi'] = 0x0A05; + t['ahiragana'] = 0x3042; + t['ahookabove'] = 0x1EA3; + t['aibengali'] = 0x0990; + t['aibopomofo'] = 0x311E; + t['aideva'] = 0x0910; + t['aiecyrillic'] = 0x04D5; + t['aigujarati'] = 0x0A90; + t['aigurmukhi'] = 0x0A10; + t['aimatragurmukhi'] = 0x0A48; + t['ainarabic'] = 0x0639; + t['ainfinalarabic'] = 0xFECA; + t['aininitialarabic'] = 0xFECB; + t['ainmedialarabic'] = 0xFECC; + t['ainvertedbreve'] = 0x0203; + t['aivowelsignbengali'] = 0x09C8; + t['aivowelsigndeva'] = 0x0948; + t['aivowelsigngujarati'] = 0x0AC8; + t['akatakana'] = 0x30A2; + t['akatakanahalfwidth'] = 0xFF71; + t['akorean'] = 0x314F; + t['alef'] = 0x05D0; + t['alefarabic'] = 0x0627; + t['alefdageshhebrew'] = 0xFB30; + t['aleffinalarabic'] = 0xFE8E; + t['alefhamzaabovearabic'] = 0x0623; + t['alefhamzaabovefinalarabic'] = 0xFE84; + t['alefhamzabelowarabic'] = 0x0625; + t['alefhamzabelowfinalarabic'] = 0xFE88; + t['alefhebrew'] = 0x05D0; + t['aleflamedhebrew'] = 0xFB4F; + t['alefmaddaabovearabic'] = 0x0622; + t['alefmaddaabovefinalarabic'] = 0xFE82; + t['alefmaksuraarabic'] = 0x0649; + t['alefmaksurafinalarabic'] = 0xFEF0; + t['alefmaksurainitialarabic'] = 0xFEF3; + t['alefmaksuramedialarabic'] = 0xFEF4; + t['alefpatahhebrew'] = 0xFB2E; + t['alefqamatshebrew'] = 0xFB2F; + t['aleph'] = 0x2135; + t['allequal'] = 0x224C; + t['alpha'] = 0x03B1; + t['alphatonos'] = 0x03AC; + t['amacron'] = 0x0101; + t['amonospace'] = 0xFF41; + t['ampersand'] = 0x0026; + t['ampersandmonospace'] = 0xFF06; + t['ampersandsmall'] = 0xF726; + t['amsquare'] = 0x33C2; + t['anbopomofo'] = 0x3122; + t['angbopomofo'] = 0x3124; + t['angbracketleft'] = 0x3008; // Glyph is missing from Adobe's original list. + t['angbracketright'] = 0x3009; // Glyph is missing from Adobe's original list. + t['angkhankhuthai'] = 0x0E5A; + t['angle'] = 0x2220; + t['anglebracketleft'] = 0x3008; + t['anglebracketleftvertical'] = 0xFE3F; + t['anglebracketright'] = 0x3009; + t['anglebracketrightvertical'] = 0xFE40; + t['angleleft'] = 0x2329; + t['angleright'] = 0x232A; + t['angstrom'] = 0x212B; + t['anoteleia'] = 0x0387; + t['anudattadeva'] = 0x0952; + t['anusvarabengali'] = 0x0982; + t['anusvaradeva'] = 0x0902; + t['anusvaragujarati'] = 0x0A82; + t['aogonek'] = 0x0105; + t['apaatosquare'] = 0x3300; + t['aparen'] = 0x249C; + t['apostrophearmenian'] = 0x055A; + t['apostrophemod'] = 0x02BC; + t['apple'] = 0xF8FF; + t['approaches'] = 0x2250; + t['approxequal'] = 0x2248; + t['approxequalorimage'] = 0x2252; + t['approximatelyequal'] = 0x2245; + t['araeaekorean'] = 0x318E; + t['araeakorean'] = 0x318D; + t['arc'] = 0x2312; + t['arighthalfring'] = 0x1E9A; + t['aring'] = 0x00E5; + t['aringacute'] = 0x01FB; + t['aringbelow'] = 0x1E01; + t['arrowboth'] = 0x2194; + t['arrowdashdown'] = 0x21E3; + t['arrowdashleft'] = 0x21E0; + t['arrowdashright'] = 0x21E2; + t['arrowdashup'] = 0x21E1; + t['arrowdblboth'] = 0x21D4; + t['arrowdbldown'] = 0x21D3; + t['arrowdblleft'] = 0x21D0; + t['arrowdblright'] = 0x21D2; + t['arrowdblup'] = 0x21D1; + t['arrowdown'] = 0x2193; + t['arrowdownleft'] = 0x2199; + t['arrowdownright'] = 0x2198; + t['arrowdownwhite'] = 0x21E9; + t['arrowheaddownmod'] = 0x02C5; + t['arrowheadleftmod'] = 0x02C2; + t['arrowheadrightmod'] = 0x02C3; + t['arrowheadupmod'] = 0x02C4; + t['arrowhorizex'] = 0xF8E7; + t['arrowleft'] = 0x2190; + t['arrowleftdbl'] = 0x21D0; + t['arrowleftdblstroke'] = 0x21CD; + t['arrowleftoverright'] = 0x21C6; + t['arrowleftwhite'] = 0x21E6; + t['arrowright'] = 0x2192; + t['arrowrightdblstroke'] = 0x21CF; + t['arrowrightheavy'] = 0x279E; + t['arrowrightoverleft'] = 0x21C4; + t['arrowrightwhite'] = 0x21E8; + t['arrowtableft'] = 0x21E4; + t['arrowtabright'] = 0x21E5; + t['arrowup'] = 0x2191; + t['arrowupdn'] = 0x2195; + t['arrowupdnbse'] = 0x21A8; + t['arrowupdownbase'] = 0x21A8; + t['arrowupleft'] = 0x2196; + t['arrowupleftofdown'] = 0x21C5; + t['arrowupright'] = 0x2197; + t['arrowupwhite'] = 0x21E7; + t['arrowvertex'] = 0xF8E6; + t['asciicircum'] = 0x005E; + t['asciicircummonospace'] = 0xFF3E; + t['asciitilde'] = 0x007E; + t['asciitildemonospace'] = 0xFF5E; + t['ascript'] = 0x0251; + t['ascriptturned'] = 0x0252; + t['asmallhiragana'] = 0x3041; + t['asmallkatakana'] = 0x30A1; + t['asmallkatakanahalfwidth'] = 0xFF67; + t['asterisk'] = 0x002A; + t['asteriskaltonearabic'] = 0x066D; + t['asteriskarabic'] = 0x066D; + t['asteriskmath'] = 0x2217; + t['asteriskmonospace'] = 0xFF0A; + t['asterisksmall'] = 0xFE61; + t['asterism'] = 0x2042; + t['asuperior'] = 0xF6E9; + t['asymptoticallyequal'] = 0x2243; + t['at'] = 0x0040; + t['atilde'] = 0x00E3; + t['atmonospace'] = 0xFF20; + t['atsmall'] = 0xFE6B; + t['aturned'] = 0x0250; + t['aubengali'] = 0x0994; + t['aubopomofo'] = 0x3120; + t['audeva'] = 0x0914; + t['augujarati'] = 0x0A94; + t['augurmukhi'] = 0x0A14; + t['aulengthmarkbengali'] = 0x09D7; + t['aumatragurmukhi'] = 0x0A4C; + t['auvowelsignbengali'] = 0x09CC; + t['auvowelsigndeva'] = 0x094C; + t['auvowelsigngujarati'] = 0x0ACC; + t['avagrahadeva'] = 0x093D; + t['aybarmenian'] = 0x0561; + t['ayin'] = 0x05E2; + t['ayinaltonehebrew'] = 0xFB20; + t['ayinhebrew'] = 0x05E2; + t['b'] = 0x0062; + t['babengali'] = 0x09AC; + t['backslash'] = 0x005C; + t['backslashmonospace'] = 0xFF3C; + t['badeva'] = 0x092C; + t['bagujarati'] = 0x0AAC; + t['bagurmukhi'] = 0x0A2C; + t['bahiragana'] = 0x3070; + t['bahtthai'] = 0x0E3F; + t['bakatakana'] = 0x30D0; + t['bar'] = 0x007C; + t['barmonospace'] = 0xFF5C; + t['bbopomofo'] = 0x3105; + t['bcircle'] = 0x24D1; + t['bdotaccent'] = 0x1E03; + t['bdotbelow'] = 0x1E05; + t['beamedsixteenthnotes'] = 0x266C; + t['because'] = 0x2235; + t['becyrillic'] = 0x0431; + t['beharabic'] = 0x0628; + t['behfinalarabic'] = 0xFE90; + t['behinitialarabic'] = 0xFE91; + t['behiragana'] = 0x3079; + t['behmedialarabic'] = 0xFE92; + t['behmeeminitialarabic'] = 0xFC9F; + t['behmeemisolatedarabic'] = 0xFC08; + t['behnoonfinalarabic'] = 0xFC6D; + t['bekatakana'] = 0x30D9; + t['benarmenian'] = 0x0562; + t['bet'] = 0x05D1; + t['beta'] = 0x03B2; + t['betasymbolgreek'] = 0x03D0; + t['betdagesh'] = 0xFB31; + t['betdageshhebrew'] = 0xFB31; + t['bethebrew'] = 0x05D1; + t['betrafehebrew'] = 0xFB4C; + t['bhabengali'] = 0x09AD; + t['bhadeva'] = 0x092D; + t['bhagujarati'] = 0x0AAD; + t['bhagurmukhi'] = 0x0A2D; + t['bhook'] = 0x0253; + t['bihiragana'] = 0x3073; + t['bikatakana'] = 0x30D3; + t['bilabialclick'] = 0x0298; + t['bindigurmukhi'] = 0x0A02; + t['birusquare'] = 0x3331; + t['blackcircle'] = 0x25CF; + t['blackdiamond'] = 0x25C6; + t['blackdownpointingtriangle'] = 0x25BC; + t['blackleftpointingpointer'] = 0x25C4; + t['blackleftpointingtriangle'] = 0x25C0; + t['blacklenticularbracketleft'] = 0x3010; + t['blacklenticularbracketleftvertical'] = 0xFE3B; + t['blacklenticularbracketright'] = 0x3011; + t['blacklenticularbracketrightvertical'] = 0xFE3C; + t['blacklowerlefttriangle'] = 0x25E3; + t['blacklowerrighttriangle'] = 0x25E2; + t['blackrectangle'] = 0x25AC; + t['blackrightpointingpointer'] = 0x25BA; + t['blackrightpointingtriangle'] = 0x25B6; + t['blacksmallsquare'] = 0x25AA; + t['blacksmilingface'] = 0x263B; + t['blacksquare'] = 0x25A0; + t['blackstar'] = 0x2605; + t['blackupperlefttriangle'] = 0x25E4; + t['blackupperrighttriangle'] = 0x25E5; + t['blackuppointingsmalltriangle'] = 0x25B4; + t['blackuppointingtriangle'] = 0x25B2; + t['blank'] = 0x2423; + t['blinebelow'] = 0x1E07; + t['block'] = 0x2588; + t['bmonospace'] = 0xFF42; + t['bobaimaithai'] = 0x0E1A; + t['bohiragana'] = 0x307C; + t['bokatakana'] = 0x30DC; + t['bparen'] = 0x249D; + t['bqsquare'] = 0x33C3; + t['braceex'] = 0xF8F4; + t['braceleft'] = 0x007B; + t['braceleftbt'] = 0xF8F3; + t['braceleftmid'] = 0xF8F2; + t['braceleftmonospace'] = 0xFF5B; + t['braceleftsmall'] = 0xFE5B; + t['bracelefttp'] = 0xF8F1; + t['braceleftvertical'] = 0xFE37; + t['braceright'] = 0x007D; + t['bracerightbt'] = 0xF8FE; + t['bracerightmid'] = 0xF8FD; + t['bracerightmonospace'] = 0xFF5D; + t['bracerightsmall'] = 0xFE5C; + t['bracerighttp'] = 0xF8FC; + t['bracerightvertical'] = 0xFE38; + t['bracketleft'] = 0x005B; + t['bracketleftbt'] = 0xF8F0; + t['bracketleftex'] = 0xF8EF; + t['bracketleftmonospace'] = 0xFF3B; + t['bracketlefttp'] = 0xF8EE; + t['bracketright'] = 0x005D; + t['bracketrightbt'] = 0xF8FB; + t['bracketrightex'] = 0xF8FA; + t['bracketrightmonospace'] = 0xFF3D; + t['bracketrighttp'] = 0xF8F9; + t['breve'] = 0x02D8; + t['brevebelowcmb'] = 0x032E; + t['brevecmb'] = 0x0306; + t['breveinvertedbelowcmb'] = 0x032F; + t['breveinvertedcmb'] = 0x0311; + t['breveinverteddoublecmb'] = 0x0361; + t['bridgebelowcmb'] = 0x032A; + t['bridgeinvertedbelowcmb'] = 0x033A; + t['brokenbar'] = 0x00A6; + t['bstroke'] = 0x0180; + t['bsuperior'] = 0xF6EA; + t['btopbar'] = 0x0183; + t['buhiragana'] = 0x3076; + t['bukatakana'] = 0x30D6; + t['bullet'] = 0x2022; + t['bulletinverse'] = 0x25D8; + t['bulletoperator'] = 0x2219; + t['bullseye'] = 0x25CE; + t['c'] = 0x0063; + t['caarmenian'] = 0x056E; + t['cabengali'] = 0x099A; + t['cacute'] = 0x0107; + t['cadeva'] = 0x091A; + t['cagujarati'] = 0x0A9A; + t['cagurmukhi'] = 0x0A1A; + t['calsquare'] = 0x3388; + t['candrabindubengali'] = 0x0981; + t['candrabinducmb'] = 0x0310; + t['candrabindudeva'] = 0x0901; + t['candrabindugujarati'] = 0x0A81; + t['capslock'] = 0x21EA; + t['careof'] = 0x2105; + t['caron'] = 0x02C7; + t['caronbelowcmb'] = 0x032C; + t['caroncmb'] = 0x030C; + t['carriagereturn'] = 0x21B5; + t['cbopomofo'] = 0x3118; + t['ccaron'] = 0x010D; + t['ccedilla'] = 0x00E7; + t['ccedillaacute'] = 0x1E09; + t['ccircle'] = 0x24D2; + t['ccircumflex'] = 0x0109; + t['ccurl'] = 0x0255; + t['cdot'] = 0x010B; + t['cdotaccent'] = 0x010B; + t['cdsquare'] = 0x33C5; + t['cedilla'] = 0x00B8; + t['cedillacmb'] = 0x0327; + t['cent'] = 0x00A2; + t['centigrade'] = 0x2103; + t['centinferior'] = 0xF6DF; + t['centmonospace'] = 0xFFE0; + t['centoldstyle'] = 0xF7A2; + t['centsuperior'] = 0xF6E0; + t['chaarmenian'] = 0x0579; + t['chabengali'] = 0x099B; + t['chadeva'] = 0x091B; + t['chagujarati'] = 0x0A9B; + t['chagurmukhi'] = 0x0A1B; + t['chbopomofo'] = 0x3114; + t['cheabkhasiancyrillic'] = 0x04BD; + t['checkmark'] = 0x2713; + t['checyrillic'] = 0x0447; + t['chedescenderabkhasiancyrillic'] = 0x04BF; + t['chedescendercyrillic'] = 0x04B7; + t['chedieresiscyrillic'] = 0x04F5; + t['cheharmenian'] = 0x0573; + t['chekhakassiancyrillic'] = 0x04CC; + t['cheverticalstrokecyrillic'] = 0x04B9; + t['chi'] = 0x03C7; + t['chieuchacirclekorean'] = 0x3277; + t['chieuchaparenkorean'] = 0x3217; + t['chieuchcirclekorean'] = 0x3269; + t['chieuchkorean'] = 0x314A; + t['chieuchparenkorean'] = 0x3209; + t['chochangthai'] = 0x0E0A; + t['chochanthai'] = 0x0E08; + t['chochingthai'] = 0x0E09; + t['chochoethai'] = 0x0E0C; + t['chook'] = 0x0188; + t['cieucacirclekorean'] = 0x3276; + t['cieucaparenkorean'] = 0x3216; + t['cieuccirclekorean'] = 0x3268; + t['cieuckorean'] = 0x3148; + t['cieucparenkorean'] = 0x3208; + t['cieucuparenkorean'] = 0x321C; + t['circle'] = 0x25CB; + t['circlecopyrt'] = 0x00A9; // Glyph is missing from Adobe's original list. + t['circlemultiply'] = 0x2297; + t['circleot'] = 0x2299; + t['circleplus'] = 0x2295; + t['circlepostalmark'] = 0x3036; + t['circlewithlefthalfblack'] = 0x25D0; + t['circlewithrighthalfblack'] = 0x25D1; + t['circumflex'] = 0x02C6; + t['circumflexbelowcmb'] = 0x032D; + t['circumflexcmb'] = 0x0302; + t['clear'] = 0x2327; + t['clickalveolar'] = 0x01C2; + t['clickdental'] = 0x01C0; + t['clicklateral'] = 0x01C1; + t['clickretroflex'] = 0x01C3; + t['club'] = 0x2663; + t['clubsuitblack'] = 0x2663; + t['clubsuitwhite'] = 0x2667; + t['cmcubedsquare'] = 0x33A4; + t['cmonospace'] = 0xFF43; + t['cmsquaredsquare'] = 0x33A0; + t['coarmenian'] = 0x0581; + t['colon'] = 0x003A; + t['colonmonetary'] = 0x20A1; + t['colonmonospace'] = 0xFF1A; + t['colonsign'] = 0x20A1; + t['colonsmall'] = 0xFE55; + t['colontriangularhalfmod'] = 0x02D1; + t['colontriangularmod'] = 0x02D0; + t['comma'] = 0x002C; + t['commaabovecmb'] = 0x0313; + t['commaaboverightcmb'] = 0x0315; + t['commaaccent'] = 0xF6C3; + t['commaarabic'] = 0x060C; + t['commaarmenian'] = 0x055D; + t['commainferior'] = 0xF6E1; + t['commamonospace'] = 0xFF0C; + t['commareversedabovecmb'] = 0x0314; + t['commareversedmod'] = 0x02BD; + t['commasmall'] = 0xFE50; + t['commasuperior'] = 0xF6E2; + t['commaturnedabovecmb'] = 0x0312; + t['commaturnedmod'] = 0x02BB; + t['compass'] = 0x263C; + t['congruent'] = 0x2245; + t['contourintegral'] = 0x222E; + t['control'] = 0x2303; + t['controlACK'] = 0x0006; + t['controlBEL'] = 0x0007; + t['controlBS'] = 0x0008; + t['controlCAN'] = 0x0018; + t['controlCR'] = 0x000D; + t['controlDC1'] = 0x0011; + t['controlDC2'] = 0x0012; + t['controlDC3'] = 0x0013; + t['controlDC4'] = 0x0014; + t['controlDEL'] = 0x007F; + t['controlDLE'] = 0x0010; + t['controlEM'] = 0x0019; + t['controlENQ'] = 0x0005; + t['controlEOT'] = 0x0004; + t['controlESC'] = 0x001B; + t['controlETB'] = 0x0017; + t['controlETX'] = 0x0003; + t['controlFF'] = 0x000C; + t['controlFS'] = 0x001C; + t['controlGS'] = 0x001D; + t['controlHT'] = 0x0009; + t['controlLF'] = 0x000A; + t['controlNAK'] = 0x0015; + t['controlRS'] = 0x001E; + t['controlSI'] = 0x000F; + t['controlSO'] = 0x000E; + t['controlSOT'] = 0x0002; + t['controlSTX'] = 0x0001; + t['controlSUB'] = 0x001A; + t['controlSYN'] = 0x0016; + t['controlUS'] = 0x001F; + t['controlVT'] = 0x000B; + t['copyright'] = 0x00A9; + t['copyrightsans'] = 0xF8E9; + t['copyrightserif'] = 0xF6D9; + t['cornerbracketleft'] = 0x300C; + t['cornerbracketlefthalfwidth'] = 0xFF62; + t['cornerbracketleftvertical'] = 0xFE41; + t['cornerbracketright'] = 0x300D; + t['cornerbracketrighthalfwidth'] = 0xFF63; + t['cornerbracketrightvertical'] = 0xFE42; + t['corporationsquare'] = 0x337F; + t['cosquare'] = 0x33C7; + t['coverkgsquare'] = 0x33C6; + t['cparen'] = 0x249E; + t['cruzeiro'] = 0x20A2; + t['cstretched'] = 0x0297; + t['curlyand'] = 0x22CF; + t['curlyor'] = 0x22CE; + t['currency'] = 0x00A4; + t['cyrBreve'] = 0xF6D1; + t['cyrFlex'] = 0xF6D2; + t['cyrbreve'] = 0xF6D4; + t['cyrflex'] = 0xF6D5; + t['d'] = 0x0064; + t['daarmenian'] = 0x0564; + t['dabengali'] = 0x09A6; + t['dadarabic'] = 0x0636; + t['dadeva'] = 0x0926; + t['dadfinalarabic'] = 0xFEBE; + t['dadinitialarabic'] = 0xFEBF; + t['dadmedialarabic'] = 0xFEC0; + t['dagesh'] = 0x05BC; + t['dageshhebrew'] = 0x05BC; + t['dagger'] = 0x2020; + t['daggerdbl'] = 0x2021; + t['dagujarati'] = 0x0AA6; + t['dagurmukhi'] = 0x0A26; + t['dahiragana'] = 0x3060; + t['dakatakana'] = 0x30C0; + t['dalarabic'] = 0x062F; + t['dalet'] = 0x05D3; + t['daletdagesh'] = 0xFB33; + t['daletdageshhebrew'] = 0xFB33; + t['dalethebrew'] = 0x05D3; + t['dalfinalarabic'] = 0xFEAA; + t['dammaarabic'] = 0x064F; + t['dammalowarabic'] = 0x064F; + t['dammatanaltonearabic'] = 0x064C; + t['dammatanarabic'] = 0x064C; + t['danda'] = 0x0964; + t['dargahebrew'] = 0x05A7; + t['dargalefthebrew'] = 0x05A7; + t['dasiapneumatacyrilliccmb'] = 0x0485; + t['dblGrave'] = 0xF6D3; + t['dblanglebracketleft'] = 0x300A; + t['dblanglebracketleftvertical'] = 0xFE3D; + t['dblanglebracketright'] = 0x300B; + t['dblanglebracketrightvertical'] = 0xFE3E; + t['dblarchinvertedbelowcmb'] = 0x032B; + t['dblarrowleft'] = 0x21D4; + t['dblarrowright'] = 0x21D2; + t['dbldanda'] = 0x0965; + t['dblgrave'] = 0xF6D6; + t['dblgravecmb'] = 0x030F; + t['dblintegral'] = 0x222C; + t['dbllowline'] = 0x2017; + t['dbllowlinecmb'] = 0x0333; + t['dbloverlinecmb'] = 0x033F; + t['dblprimemod'] = 0x02BA; + t['dblverticalbar'] = 0x2016; + t['dblverticallineabovecmb'] = 0x030E; + t['dbopomofo'] = 0x3109; + t['dbsquare'] = 0x33C8; + t['dcaron'] = 0x010F; + t['dcedilla'] = 0x1E11; + t['dcircle'] = 0x24D3; + t['dcircumflexbelow'] = 0x1E13; + t['dcroat'] = 0x0111; + t['ddabengali'] = 0x09A1; + t['ddadeva'] = 0x0921; + t['ddagujarati'] = 0x0AA1; + t['ddagurmukhi'] = 0x0A21; + t['ddalarabic'] = 0x0688; + t['ddalfinalarabic'] = 0xFB89; + t['dddhadeva'] = 0x095C; + t['ddhabengali'] = 0x09A2; + t['ddhadeva'] = 0x0922; + t['ddhagujarati'] = 0x0AA2; + t['ddhagurmukhi'] = 0x0A22; + t['ddotaccent'] = 0x1E0B; + t['ddotbelow'] = 0x1E0D; + t['decimalseparatorarabic'] = 0x066B; + t['decimalseparatorpersian'] = 0x066B; + t['decyrillic'] = 0x0434; + t['degree'] = 0x00B0; + t['dehihebrew'] = 0x05AD; + t['dehiragana'] = 0x3067; + t['deicoptic'] = 0x03EF; + t['dekatakana'] = 0x30C7; + t['deleteleft'] = 0x232B; + t['deleteright'] = 0x2326; + t['delta'] = 0x03B4; + t['deltaturned'] = 0x018D; + t['denominatorminusonenumeratorbengali'] = 0x09F8; + t['dezh'] = 0x02A4; + t['dhabengali'] = 0x09A7; + t['dhadeva'] = 0x0927; + t['dhagujarati'] = 0x0AA7; + t['dhagurmukhi'] = 0x0A27; + t['dhook'] = 0x0257; + t['dialytikatonos'] = 0x0385; + t['dialytikatonoscmb'] = 0x0344; + t['diamond'] = 0x2666; + t['diamondsuitwhite'] = 0x2662; + t['dieresis'] = 0x00A8; + t['dieresisacute'] = 0xF6D7; + t['dieresisbelowcmb'] = 0x0324; + t['dieresiscmb'] = 0x0308; + t['dieresisgrave'] = 0xF6D8; + t['dieresistonos'] = 0x0385; + t['dihiragana'] = 0x3062; + t['dikatakana'] = 0x30C2; + t['dittomark'] = 0x3003; + t['divide'] = 0x00F7; + t['divides'] = 0x2223; + t['divisionslash'] = 0x2215; + t['djecyrillic'] = 0x0452; + t['dkshade'] = 0x2593; + t['dlinebelow'] = 0x1E0F; + t['dlsquare'] = 0x3397; + t['dmacron'] = 0x0111; + t['dmonospace'] = 0xFF44; + t['dnblock'] = 0x2584; + t['dochadathai'] = 0x0E0E; + t['dodekthai'] = 0x0E14; + t['dohiragana'] = 0x3069; + t['dokatakana'] = 0x30C9; + t['dollar'] = 0x0024; + t['dollarinferior'] = 0xF6E3; + t['dollarmonospace'] = 0xFF04; + t['dollaroldstyle'] = 0xF724; + t['dollarsmall'] = 0xFE69; + t['dollarsuperior'] = 0xF6E4; + t['dong'] = 0x20AB; + t['dorusquare'] = 0x3326; + t['dotaccent'] = 0x02D9; + t['dotaccentcmb'] = 0x0307; + t['dotbelowcmb'] = 0x0323; + t['dotbelowcomb'] = 0x0323; + t['dotkatakana'] = 0x30FB; + t['dotlessi'] = 0x0131; + t['dotlessj'] = 0xF6BE; + t['dotlessjstrokehook'] = 0x0284; + t['dotmath'] = 0x22C5; + t['dottedcircle'] = 0x25CC; + t['doubleyodpatah'] = 0xFB1F; + t['doubleyodpatahhebrew'] = 0xFB1F; + t['downtackbelowcmb'] = 0x031E; + t['downtackmod'] = 0x02D5; + t['dparen'] = 0x249F; + t['dsuperior'] = 0xF6EB; + t['dtail'] = 0x0256; + t['dtopbar'] = 0x018C; + t['duhiragana'] = 0x3065; + t['dukatakana'] = 0x30C5; + t['dz'] = 0x01F3; + t['dzaltone'] = 0x02A3; + t['dzcaron'] = 0x01C6; + t['dzcurl'] = 0x02A5; + t['dzeabkhasiancyrillic'] = 0x04E1; + t['dzecyrillic'] = 0x0455; + t['dzhecyrillic'] = 0x045F; + t['e'] = 0x0065; + t['eacute'] = 0x00E9; + t['earth'] = 0x2641; + t['ebengali'] = 0x098F; + t['ebopomofo'] = 0x311C; + t['ebreve'] = 0x0115; + t['ecandradeva'] = 0x090D; + t['ecandragujarati'] = 0x0A8D; + t['ecandravowelsigndeva'] = 0x0945; + t['ecandravowelsigngujarati'] = 0x0AC5; + t['ecaron'] = 0x011B; + t['ecedillabreve'] = 0x1E1D; + t['echarmenian'] = 0x0565; + t['echyiwnarmenian'] = 0x0587; + t['ecircle'] = 0x24D4; + t['ecircumflex'] = 0x00EA; + t['ecircumflexacute'] = 0x1EBF; + t['ecircumflexbelow'] = 0x1E19; + t['ecircumflexdotbelow'] = 0x1EC7; + t['ecircumflexgrave'] = 0x1EC1; + t['ecircumflexhookabove'] = 0x1EC3; + t['ecircumflextilde'] = 0x1EC5; + t['ecyrillic'] = 0x0454; + t['edblgrave'] = 0x0205; + t['edeva'] = 0x090F; + t['edieresis'] = 0x00EB; + t['edot'] = 0x0117; + t['edotaccent'] = 0x0117; + t['edotbelow'] = 0x1EB9; + t['eegurmukhi'] = 0x0A0F; + t['eematragurmukhi'] = 0x0A47; + t['efcyrillic'] = 0x0444; + t['egrave'] = 0x00E8; + t['egujarati'] = 0x0A8F; + t['eharmenian'] = 0x0567; + t['ehbopomofo'] = 0x311D; + t['ehiragana'] = 0x3048; + t['ehookabove'] = 0x1EBB; + t['eibopomofo'] = 0x311F; + t['eight'] = 0x0038; + t['eightarabic'] = 0x0668; + t['eightbengali'] = 0x09EE; + t['eightcircle'] = 0x2467; + t['eightcircleinversesansserif'] = 0x2791; + t['eightdeva'] = 0x096E; + t['eighteencircle'] = 0x2471; + t['eighteenparen'] = 0x2485; + t['eighteenperiod'] = 0x2499; + t['eightgujarati'] = 0x0AEE; + t['eightgurmukhi'] = 0x0A6E; + t['eighthackarabic'] = 0x0668; + t['eighthangzhou'] = 0x3028; + t['eighthnotebeamed'] = 0x266B; + t['eightideographicparen'] = 0x3227; + t['eightinferior'] = 0x2088; + t['eightmonospace'] = 0xFF18; + t['eightoldstyle'] = 0xF738; + t['eightparen'] = 0x247B; + t['eightperiod'] = 0x248F; + t['eightpersian'] = 0x06F8; + t['eightroman'] = 0x2177; + t['eightsuperior'] = 0x2078; + t['eightthai'] = 0x0E58; + t['einvertedbreve'] = 0x0207; + t['eiotifiedcyrillic'] = 0x0465; + t['ekatakana'] = 0x30A8; + t['ekatakanahalfwidth'] = 0xFF74; + t['ekonkargurmukhi'] = 0x0A74; + t['ekorean'] = 0x3154; + t['elcyrillic'] = 0x043B; + t['element'] = 0x2208; + t['elevencircle'] = 0x246A; + t['elevenparen'] = 0x247E; + t['elevenperiod'] = 0x2492; + t['elevenroman'] = 0x217A; + t['ellipsis'] = 0x2026; + t['ellipsisvertical'] = 0x22EE; + t['emacron'] = 0x0113; + t['emacronacute'] = 0x1E17; + t['emacrongrave'] = 0x1E15; + t['emcyrillic'] = 0x043C; + t['emdash'] = 0x2014; + t['emdashvertical'] = 0xFE31; + t['emonospace'] = 0xFF45; + t['emphasismarkarmenian'] = 0x055B; + t['emptyset'] = 0x2205; + t['enbopomofo'] = 0x3123; + t['encyrillic'] = 0x043D; + t['endash'] = 0x2013; + t['endashvertical'] = 0xFE32; + t['endescendercyrillic'] = 0x04A3; + t['eng'] = 0x014B; + t['engbopomofo'] = 0x3125; + t['enghecyrillic'] = 0x04A5; + t['enhookcyrillic'] = 0x04C8; + t['enspace'] = 0x2002; + t['eogonek'] = 0x0119; + t['eokorean'] = 0x3153; + t['eopen'] = 0x025B; + t['eopenclosed'] = 0x029A; + t['eopenreversed'] = 0x025C; + t['eopenreversedclosed'] = 0x025E; + t['eopenreversedhook'] = 0x025D; + t['eparen'] = 0x24A0; + t['epsilon'] = 0x03B5; + t['epsilontonos'] = 0x03AD; + t['equal'] = 0x003D; + t['equalmonospace'] = 0xFF1D; + t['equalsmall'] = 0xFE66; + t['equalsuperior'] = 0x207C; + t['equivalence'] = 0x2261; + t['erbopomofo'] = 0x3126; + t['ercyrillic'] = 0x0440; + t['ereversed'] = 0x0258; + t['ereversedcyrillic'] = 0x044D; + t['escyrillic'] = 0x0441; + t['esdescendercyrillic'] = 0x04AB; + t['esh'] = 0x0283; + t['eshcurl'] = 0x0286; + t['eshortdeva'] = 0x090E; + t['eshortvowelsigndeva'] = 0x0946; + t['eshreversedloop'] = 0x01AA; + t['eshsquatreversed'] = 0x0285; + t['esmallhiragana'] = 0x3047; + t['esmallkatakana'] = 0x30A7; + t['esmallkatakanahalfwidth'] = 0xFF6A; + t['estimated'] = 0x212E; + t['esuperior'] = 0xF6EC; + t['eta'] = 0x03B7; + t['etarmenian'] = 0x0568; + t['etatonos'] = 0x03AE; + t['eth'] = 0x00F0; + t['etilde'] = 0x1EBD; + t['etildebelow'] = 0x1E1B; + t['etnahtafoukhhebrew'] = 0x0591; + t['etnahtafoukhlefthebrew'] = 0x0591; + t['etnahtahebrew'] = 0x0591; + t['etnahtalefthebrew'] = 0x0591; + t['eturned'] = 0x01DD; + t['eukorean'] = 0x3161; + t['euro'] = 0x20AC; + t['evowelsignbengali'] = 0x09C7; + t['evowelsigndeva'] = 0x0947; + t['evowelsigngujarati'] = 0x0AC7; + t['exclam'] = 0x0021; + t['exclamarmenian'] = 0x055C; + t['exclamdbl'] = 0x203C; + t['exclamdown'] = 0x00A1; + t['exclamdownsmall'] = 0xF7A1; + t['exclammonospace'] = 0xFF01; + t['exclamsmall'] = 0xF721; + t['existential'] = 0x2203; + t['ezh'] = 0x0292; + t['ezhcaron'] = 0x01EF; + t['ezhcurl'] = 0x0293; + t['ezhreversed'] = 0x01B9; + t['ezhtail'] = 0x01BA; + t['f'] = 0x0066; + t['fadeva'] = 0x095E; + t['fagurmukhi'] = 0x0A5E; + t['fahrenheit'] = 0x2109; + t['fathaarabic'] = 0x064E; + t['fathalowarabic'] = 0x064E; + t['fathatanarabic'] = 0x064B; + t['fbopomofo'] = 0x3108; + t['fcircle'] = 0x24D5; + t['fdotaccent'] = 0x1E1F; + t['feharabic'] = 0x0641; + t['feharmenian'] = 0x0586; + t['fehfinalarabic'] = 0xFED2; + t['fehinitialarabic'] = 0xFED3; + t['fehmedialarabic'] = 0xFED4; + t['feicoptic'] = 0x03E5; + t['female'] = 0x2640; + t['ff'] = 0xFB00; + t['ffi'] = 0xFB03; + t['ffl'] = 0xFB04; + t['fi'] = 0xFB01; + t['fifteencircle'] = 0x246E; + t['fifteenparen'] = 0x2482; + t['fifteenperiod'] = 0x2496; + t['figuredash'] = 0x2012; + t['filledbox'] = 0x25A0; + t['filledrect'] = 0x25AC; + t['finalkaf'] = 0x05DA; + t['finalkafdagesh'] = 0xFB3A; + t['finalkafdageshhebrew'] = 0xFB3A; + t['finalkafhebrew'] = 0x05DA; + t['finalmem'] = 0x05DD; + t['finalmemhebrew'] = 0x05DD; + t['finalnun'] = 0x05DF; + t['finalnunhebrew'] = 0x05DF; + t['finalpe'] = 0x05E3; + t['finalpehebrew'] = 0x05E3; + t['finaltsadi'] = 0x05E5; + t['finaltsadihebrew'] = 0x05E5; + t['firsttonechinese'] = 0x02C9; + t['fisheye'] = 0x25C9; + t['fitacyrillic'] = 0x0473; + t['five'] = 0x0035; + t['fivearabic'] = 0x0665; + t['fivebengali'] = 0x09EB; + t['fivecircle'] = 0x2464; + t['fivecircleinversesansserif'] = 0x278E; + t['fivedeva'] = 0x096B; + t['fiveeighths'] = 0x215D; + t['fivegujarati'] = 0x0AEB; + t['fivegurmukhi'] = 0x0A6B; + t['fivehackarabic'] = 0x0665; + t['fivehangzhou'] = 0x3025; + t['fiveideographicparen'] = 0x3224; + t['fiveinferior'] = 0x2085; + t['fivemonospace'] = 0xFF15; + t['fiveoldstyle'] = 0xF735; + t['fiveparen'] = 0x2478; + t['fiveperiod'] = 0x248C; + t['fivepersian'] = 0x06F5; + t['fiveroman'] = 0x2174; + t['fivesuperior'] = 0x2075; + t['fivethai'] = 0x0E55; + t['fl'] = 0xFB02; + t['florin'] = 0x0192; + t['fmonospace'] = 0xFF46; + t['fmsquare'] = 0x3399; + t['fofanthai'] = 0x0E1F; + t['fofathai'] = 0x0E1D; + t['fongmanthai'] = 0x0E4F; + t['forall'] = 0x2200; + t['four'] = 0x0034; + t['fourarabic'] = 0x0664; + t['fourbengali'] = 0x09EA; + t['fourcircle'] = 0x2463; + t['fourcircleinversesansserif'] = 0x278D; + t['fourdeva'] = 0x096A; + t['fourgujarati'] = 0x0AEA; + t['fourgurmukhi'] = 0x0A6A; + t['fourhackarabic'] = 0x0664; + t['fourhangzhou'] = 0x3024; + t['fourideographicparen'] = 0x3223; + t['fourinferior'] = 0x2084; + t['fourmonospace'] = 0xFF14; + t['fournumeratorbengali'] = 0x09F7; + t['fouroldstyle'] = 0xF734; + t['fourparen'] = 0x2477; + t['fourperiod'] = 0x248B; + t['fourpersian'] = 0x06F4; + t['fourroman'] = 0x2173; + t['foursuperior'] = 0x2074; + t['fourteencircle'] = 0x246D; + t['fourteenparen'] = 0x2481; + t['fourteenperiod'] = 0x2495; + t['fourthai'] = 0x0E54; + t['fourthtonechinese'] = 0x02CB; + t['fparen'] = 0x24A1; + t['fraction'] = 0x2044; + t['franc'] = 0x20A3; + t['g'] = 0x0067; + t['gabengali'] = 0x0997; + t['gacute'] = 0x01F5; + t['gadeva'] = 0x0917; + t['gafarabic'] = 0x06AF; + t['gaffinalarabic'] = 0xFB93; + t['gafinitialarabic'] = 0xFB94; + t['gafmedialarabic'] = 0xFB95; + t['gagujarati'] = 0x0A97; + t['gagurmukhi'] = 0x0A17; + t['gahiragana'] = 0x304C; + t['gakatakana'] = 0x30AC; + t['gamma'] = 0x03B3; + t['gammalatinsmall'] = 0x0263; + t['gammasuperior'] = 0x02E0; + t['gangiacoptic'] = 0x03EB; + t['gbopomofo'] = 0x310D; + t['gbreve'] = 0x011F; + t['gcaron'] = 0x01E7; + t['gcedilla'] = 0x0123; + t['gcircle'] = 0x24D6; + t['gcircumflex'] = 0x011D; + t['gcommaaccent'] = 0x0123; + t['gdot'] = 0x0121; + t['gdotaccent'] = 0x0121; + t['gecyrillic'] = 0x0433; + t['gehiragana'] = 0x3052; + t['gekatakana'] = 0x30B2; + t['geometricallyequal'] = 0x2251; + t['gereshaccenthebrew'] = 0x059C; + t['gereshhebrew'] = 0x05F3; + t['gereshmuqdamhebrew'] = 0x059D; + t['germandbls'] = 0x00DF; + t['gershayimaccenthebrew'] = 0x059E; + t['gershayimhebrew'] = 0x05F4; + t['getamark'] = 0x3013; + t['ghabengali'] = 0x0998; + t['ghadarmenian'] = 0x0572; + t['ghadeva'] = 0x0918; + t['ghagujarati'] = 0x0A98; + t['ghagurmukhi'] = 0x0A18; + t['ghainarabic'] = 0x063A; + t['ghainfinalarabic'] = 0xFECE; + t['ghaininitialarabic'] = 0xFECF; + t['ghainmedialarabic'] = 0xFED0; + t['ghemiddlehookcyrillic'] = 0x0495; + t['ghestrokecyrillic'] = 0x0493; + t['gheupturncyrillic'] = 0x0491; + t['ghhadeva'] = 0x095A; + t['ghhagurmukhi'] = 0x0A5A; + t['ghook'] = 0x0260; + t['ghzsquare'] = 0x3393; + t['gihiragana'] = 0x304E; + t['gikatakana'] = 0x30AE; + t['gimarmenian'] = 0x0563; + t['gimel'] = 0x05D2; + t['gimeldagesh'] = 0xFB32; + t['gimeldageshhebrew'] = 0xFB32; + t['gimelhebrew'] = 0x05D2; + t['gjecyrillic'] = 0x0453; + t['glottalinvertedstroke'] = 0x01BE; + t['glottalstop'] = 0x0294; + t['glottalstopinverted'] = 0x0296; + t['glottalstopmod'] = 0x02C0; + t['glottalstopreversed'] = 0x0295; + t['glottalstopreversedmod'] = 0x02C1; + t['glottalstopreversedsuperior'] = 0x02E4; + t['glottalstopstroke'] = 0x02A1; + t['glottalstopstrokereversed'] = 0x02A2; + t['gmacron'] = 0x1E21; + t['gmonospace'] = 0xFF47; + t['gohiragana'] = 0x3054; + t['gokatakana'] = 0x30B4; + t['gparen'] = 0x24A2; + t['gpasquare'] = 0x33AC; + t['gradient'] = 0x2207; + t['grave'] = 0x0060; + t['gravebelowcmb'] = 0x0316; + t['gravecmb'] = 0x0300; + t['gravecomb'] = 0x0300; + t['gravedeva'] = 0x0953; + t['gravelowmod'] = 0x02CE; + t['gravemonospace'] = 0xFF40; + t['gravetonecmb'] = 0x0340; + t['greater'] = 0x003E; + t['greaterequal'] = 0x2265; + t['greaterequalorless'] = 0x22DB; + t['greatermonospace'] = 0xFF1E; + t['greaterorequivalent'] = 0x2273; + t['greaterorless'] = 0x2277; + t['greateroverequal'] = 0x2267; + t['greatersmall'] = 0xFE65; + t['gscript'] = 0x0261; + t['gstroke'] = 0x01E5; + t['guhiragana'] = 0x3050; + t['guillemotleft'] = 0x00AB; + t['guillemotright'] = 0x00BB; + t['guilsinglleft'] = 0x2039; + t['guilsinglright'] = 0x203A; + t['gukatakana'] = 0x30B0; + t['guramusquare'] = 0x3318; + t['gysquare'] = 0x33C9; + t['h'] = 0x0068; + t['haabkhasiancyrillic'] = 0x04A9; + t['haaltonearabic'] = 0x06C1; + t['habengali'] = 0x09B9; + t['hadescendercyrillic'] = 0x04B3; + t['hadeva'] = 0x0939; + t['hagujarati'] = 0x0AB9; + t['hagurmukhi'] = 0x0A39; + t['haharabic'] = 0x062D; + t['hahfinalarabic'] = 0xFEA2; + t['hahinitialarabic'] = 0xFEA3; + t['hahiragana'] = 0x306F; + t['hahmedialarabic'] = 0xFEA4; + t['haitusquare'] = 0x332A; + t['hakatakana'] = 0x30CF; + t['hakatakanahalfwidth'] = 0xFF8A; + t['halantgurmukhi'] = 0x0A4D; + t['hamzaarabic'] = 0x0621; + t['hamzalowarabic'] = 0x0621; + t['hangulfiller'] = 0x3164; + t['hardsigncyrillic'] = 0x044A; + t['harpoonleftbarbup'] = 0x21BC; + t['harpoonrightbarbup'] = 0x21C0; + t['hasquare'] = 0x33CA; + t['hatafpatah'] = 0x05B2; + t['hatafpatah16'] = 0x05B2; + t['hatafpatah23'] = 0x05B2; + t['hatafpatah2f'] = 0x05B2; + t['hatafpatahhebrew'] = 0x05B2; + t['hatafpatahnarrowhebrew'] = 0x05B2; + t['hatafpatahquarterhebrew'] = 0x05B2; + t['hatafpatahwidehebrew'] = 0x05B2; + t['hatafqamats'] = 0x05B3; + t['hatafqamats1b'] = 0x05B3; + t['hatafqamats28'] = 0x05B3; + t['hatafqamats34'] = 0x05B3; + t['hatafqamatshebrew'] = 0x05B3; + t['hatafqamatsnarrowhebrew'] = 0x05B3; + t['hatafqamatsquarterhebrew'] = 0x05B3; + t['hatafqamatswidehebrew'] = 0x05B3; + t['hatafsegol'] = 0x05B1; + t['hatafsegol17'] = 0x05B1; + t['hatafsegol24'] = 0x05B1; + t['hatafsegol30'] = 0x05B1; + t['hatafsegolhebrew'] = 0x05B1; + t['hatafsegolnarrowhebrew'] = 0x05B1; + t['hatafsegolquarterhebrew'] = 0x05B1; + t['hatafsegolwidehebrew'] = 0x05B1; + t['hbar'] = 0x0127; + t['hbopomofo'] = 0x310F; + t['hbrevebelow'] = 0x1E2B; + t['hcedilla'] = 0x1E29; + t['hcircle'] = 0x24D7; + t['hcircumflex'] = 0x0125; + t['hdieresis'] = 0x1E27; + t['hdotaccent'] = 0x1E23; + t['hdotbelow'] = 0x1E25; + t['he'] = 0x05D4; + t['heart'] = 0x2665; + t['heartsuitblack'] = 0x2665; + t['heartsuitwhite'] = 0x2661; + t['hedagesh'] = 0xFB34; + t['hedageshhebrew'] = 0xFB34; + t['hehaltonearabic'] = 0x06C1; + t['heharabic'] = 0x0647; + t['hehebrew'] = 0x05D4; + t['hehfinalaltonearabic'] = 0xFBA7; + t['hehfinalalttwoarabic'] = 0xFEEA; + t['hehfinalarabic'] = 0xFEEA; + t['hehhamzaabovefinalarabic'] = 0xFBA5; + t['hehhamzaaboveisolatedarabic'] = 0xFBA4; + t['hehinitialaltonearabic'] = 0xFBA8; + t['hehinitialarabic'] = 0xFEEB; + t['hehiragana'] = 0x3078; + t['hehmedialaltonearabic'] = 0xFBA9; + t['hehmedialarabic'] = 0xFEEC; + t['heiseierasquare'] = 0x337B; + t['hekatakana'] = 0x30D8; + t['hekatakanahalfwidth'] = 0xFF8D; + t['hekutaarusquare'] = 0x3336; + t['henghook'] = 0x0267; + t['herutusquare'] = 0x3339; + t['het'] = 0x05D7; + t['hethebrew'] = 0x05D7; + t['hhook'] = 0x0266; + t['hhooksuperior'] = 0x02B1; + t['hieuhacirclekorean'] = 0x327B; + t['hieuhaparenkorean'] = 0x321B; + t['hieuhcirclekorean'] = 0x326D; + t['hieuhkorean'] = 0x314E; + t['hieuhparenkorean'] = 0x320D; + t['hihiragana'] = 0x3072; + t['hikatakana'] = 0x30D2; + t['hikatakanahalfwidth'] = 0xFF8B; + t['hiriq'] = 0x05B4; + t['hiriq14'] = 0x05B4; + t['hiriq21'] = 0x05B4; + t['hiriq2d'] = 0x05B4; + t['hiriqhebrew'] = 0x05B4; + t['hiriqnarrowhebrew'] = 0x05B4; + t['hiriqquarterhebrew'] = 0x05B4; + t['hiriqwidehebrew'] = 0x05B4; + t['hlinebelow'] = 0x1E96; + t['hmonospace'] = 0xFF48; + t['hoarmenian'] = 0x0570; + t['hohipthai'] = 0x0E2B; + t['hohiragana'] = 0x307B; + t['hokatakana'] = 0x30DB; + t['hokatakanahalfwidth'] = 0xFF8E; + t['holam'] = 0x05B9; + t['holam19'] = 0x05B9; + t['holam26'] = 0x05B9; + t['holam32'] = 0x05B9; + t['holamhebrew'] = 0x05B9; + t['holamnarrowhebrew'] = 0x05B9; + t['holamquarterhebrew'] = 0x05B9; + t['holamwidehebrew'] = 0x05B9; + t['honokhukthai'] = 0x0E2E; + t['hookabovecomb'] = 0x0309; + t['hookcmb'] = 0x0309; + t['hookpalatalizedbelowcmb'] = 0x0321; + t['hookretroflexbelowcmb'] = 0x0322; + t['hoonsquare'] = 0x3342; + t['horicoptic'] = 0x03E9; + t['horizontalbar'] = 0x2015; + t['horncmb'] = 0x031B; + t['hotsprings'] = 0x2668; + t['house'] = 0x2302; + t['hparen'] = 0x24A3; + t['hsuperior'] = 0x02B0; + t['hturned'] = 0x0265; + t['huhiragana'] = 0x3075; + t['huiitosquare'] = 0x3333; + t['hukatakana'] = 0x30D5; + t['hukatakanahalfwidth'] = 0xFF8C; + t['hungarumlaut'] = 0x02DD; + t['hungarumlautcmb'] = 0x030B; + t['hv'] = 0x0195; + t['hyphen'] = 0x002D; + t['hypheninferior'] = 0xF6E5; + t['hyphenmonospace'] = 0xFF0D; + t['hyphensmall'] = 0xFE63; + t['hyphensuperior'] = 0xF6E6; + t['hyphentwo'] = 0x2010; + t['i'] = 0x0069; + t['iacute'] = 0x00ED; + t['iacyrillic'] = 0x044F; + t['ibengali'] = 0x0987; + t['ibopomofo'] = 0x3127; + t['ibreve'] = 0x012D; + t['icaron'] = 0x01D0; + t['icircle'] = 0x24D8; + t['icircumflex'] = 0x00EE; + t['icyrillic'] = 0x0456; + t['idblgrave'] = 0x0209; + t['ideographearthcircle'] = 0x328F; + t['ideographfirecircle'] = 0x328B; + t['ideographicallianceparen'] = 0x323F; + t['ideographiccallparen'] = 0x323A; + t['ideographiccentrecircle'] = 0x32A5; + t['ideographicclose'] = 0x3006; + t['ideographiccomma'] = 0x3001; + t['ideographiccommaleft'] = 0xFF64; + t['ideographiccongratulationparen'] = 0x3237; + t['ideographiccorrectcircle'] = 0x32A3; + t['ideographicearthparen'] = 0x322F; + t['ideographicenterpriseparen'] = 0x323D; + t['ideographicexcellentcircle'] = 0x329D; + t['ideographicfestivalparen'] = 0x3240; + t['ideographicfinancialcircle'] = 0x3296; + t['ideographicfinancialparen'] = 0x3236; + t['ideographicfireparen'] = 0x322B; + t['ideographichaveparen'] = 0x3232; + t['ideographichighcircle'] = 0x32A4; + t['ideographiciterationmark'] = 0x3005; + t['ideographiclaborcircle'] = 0x3298; + t['ideographiclaborparen'] = 0x3238; + t['ideographicleftcircle'] = 0x32A7; + t['ideographiclowcircle'] = 0x32A6; + t['ideographicmedicinecircle'] = 0x32A9; + t['ideographicmetalparen'] = 0x322E; + t['ideographicmoonparen'] = 0x322A; + t['ideographicnameparen'] = 0x3234; + t['ideographicperiod'] = 0x3002; + t['ideographicprintcircle'] = 0x329E; + t['ideographicreachparen'] = 0x3243; + t['ideographicrepresentparen'] = 0x3239; + t['ideographicresourceparen'] = 0x323E; + t['ideographicrightcircle'] = 0x32A8; + t['ideographicsecretcircle'] = 0x3299; + t['ideographicselfparen'] = 0x3242; + t['ideographicsocietyparen'] = 0x3233; + t['ideographicspace'] = 0x3000; + t['ideographicspecialparen'] = 0x3235; + t['ideographicstockparen'] = 0x3231; + t['ideographicstudyparen'] = 0x323B; + t['ideographicsunparen'] = 0x3230; + t['ideographicsuperviseparen'] = 0x323C; + t['ideographicwaterparen'] = 0x322C; + t['ideographicwoodparen'] = 0x322D; + t['ideographiczero'] = 0x3007; + t['ideographmetalcircle'] = 0x328E; + t['ideographmooncircle'] = 0x328A; + t['ideographnamecircle'] = 0x3294; + t['ideographsuncircle'] = 0x3290; + t['ideographwatercircle'] = 0x328C; + t['ideographwoodcircle'] = 0x328D; + t['ideva'] = 0x0907; + t['idieresis'] = 0x00EF; + t['idieresisacute'] = 0x1E2F; + t['idieresiscyrillic'] = 0x04E5; + t['idotbelow'] = 0x1ECB; + t['iebrevecyrillic'] = 0x04D7; + t['iecyrillic'] = 0x0435; + t['ieungacirclekorean'] = 0x3275; + t['ieungaparenkorean'] = 0x3215; + t['ieungcirclekorean'] = 0x3267; + t['ieungkorean'] = 0x3147; + t['ieungparenkorean'] = 0x3207; + t['igrave'] = 0x00EC; + t['igujarati'] = 0x0A87; + t['igurmukhi'] = 0x0A07; + t['ihiragana'] = 0x3044; + t['ihookabove'] = 0x1EC9; + t['iibengali'] = 0x0988; + t['iicyrillic'] = 0x0438; + t['iideva'] = 0x0908; + t['iigujarati'] = 0x0A88; + t['iigurmukhi'] = 0x0A08; + t['iimatragurmukhi'] = 0x0A40; + t['iinvertedbreve'] = 0x020B; + t['iishortcyrillic'] = 0x0439; + t['iivowelsignbengali'] = 0x09C0; + t['iivowelsigndeva'] = 0x0940; + t['iivowelsigngujarati'] = 0x0AC0; + t['ij'] = 0x0133; + t['ikatakana'] = 0x30A4; + t['ikatakanahalfwidth'] = 0xFF72; + t['ikorean'] = 0x3163; + t['ilde'] = 0x02DC; + t['iluyhebrew'] = 0x05AC; + t['imacron'] = 0x012B; + t['imacroncyrillic'] = 0x04E3; + t['imageorapproximatelyequal'] = 0x2253; + t['imatragurmukhi'] = 0x0A3F; + t['imonospace'] = 0xFF49; + t['increment'] = 0x2206; + t['infinity'] = 0x221E; + t['iniarmenian'] = 0x056B; + t['integral'] = 0x222B; + t['integralbottom'] = 0x2321; + t['integralbt'] = 0x2321; + t['integralex'] = 0xF8F5; + t['integraltop'] = 0x2320; + t['integraltp'] = 0x2320; + t['intersection'] = 0x2229; + t['intisquare'] = 0x3305; + t['invbullet'] = 0x25D8; + t['invcircle'] = 0x25D9; + t['invsmileface'] = 0x263B; + t['iocyrillic'] = 0x0451; + t['iogonek'] = 0x012F; + t['iota'] = 0x03B9; + t['iotadieresis'] = 0x03CA; + t['iotadieresistonos'] = 0x0390; + t['iotalatin'] = 0x0269; + t['iotatonos'] = 0x03AF; + t['iparen'] = 0x24A4; + t['irigurmukhi'] = 0x0A72; + t['ismallhiragana'] = 0x3043; + t['ismallkatakana'] = 0x30A3; + t['ismallkatakanahalfwidth'] = 0xFF68; + t['issharbengali'] = 0x09FA; + t['istroke'] = 0x0268; + t['isuperior'] = 0xF6ED; + t['iterationhiragana'] = 0x309D; + t['iterationkatakana'] = 0x30FD; + t['itilde'] = 0x0129; + t['itildebelow'] = 0x1E2D; + t['iubopomofo'] = 0x3129; + t['iucyrillic'] = 0x044E; + t['ivowelsignbengali'] = 0x09BF; + t['ivowelsigndeva'] = 0x093F; + t['ivowelsigngujarati'] = 0x0ABF; + t['izhitsacyrillic'] = 0x0475; + t['izhitsadblgravecyrillic'] = 0x0477; + t['j'] = 0x006A; + t['jaarmenian'] = 0x0571; + t['jabengali'] = 0x099C; + t['jadeva'] = 0x091C; + t['jagujarati'] = 0x0A9C; + t['jagurmukhi'] = 0x0A1C; + t['jbopomofo'] = 0x3110; + t['jcaron'] = 0x01F0; + t['jcircle'] = 0x24D9; + t['jcircumflex'] = 0x0135; + t['jcrossedtail'] = 0x029D; + t['jdotlessstroke'] = 0x025F; + t['jecyrillic'] = 0x0458; + t['jeemarabic'] = 0x062C; + t['jeemfinalarabic'] = 0xFE9E; + t['jeeminitialarabic'] = 0xFE9F; + t['jeemmedialarabic'] = 0xFEA0; + t['jeharabic'] = 0x0698; + t['jehfinalarabic'] = 0xFB8B; + t['jhabengali'] = 0x099D; + t['jhadeva'] = 0x091D; + t['jhagujarati'] = 0x0A9D; + t['jhagurmukhi'] = 0x0A1D; + t['jheharmenian'] = 0x057B; + t['jis'] = 0x3004; + t['jmonospace'] = 0xFF4A; + t['jparen'] = 0x24A5; + t['jsuperior'] = 0x02B2; + t['k'] = 0x006B; + t['kabashkircyrillic'] = 0x04A1; + t['kabengali'] = 0x0995; + t['kacute'] = 0x1E31; + t['kacyrillic'] = 0x043A; + t['kadescendercyrillic'] = 0x049B; + t['kadeva'] = 0x0915; + t['kaf'] = 0x05DB; + t['kafarabic'] = 0x0643; + t['kafdagesh'] = 0xFB3B; + t['kafdageshhebrew'] = 0xFB3B; + t['kaffinalarabic'] = 0xFEDA; + t['kafhebrew'] = 0x05DB; + t['kafinitialarabic'] = 0xFEDB; + t['kafmedialarabic'] = 0xFEDC; + t['kafrafehebrew'] = 0xFB4D; + t['kagujarati'] = 0x0A95; + t['kagurmukhi'] = 0x0A15; + t['kahiragana'] = 0x304B; + t['kahookcyrillic'] = 0x04C4; + t['kakatakana'] = 0x30AB; + t['kakatakanahalfwidth'] = 0xFF76; + t['kappa'] = 0x03BA; + t['kappasymbolgreek'] = 0x03F0; + t['kapyeounmieumkorean'] = 0x3171; + t['kapyeounphieuphkorean'] = 0x3184; + t['kapyeounpieupkorean'] = 0x3178; + t['kapyeounssangpieupkorean'] = 0x3179; + t['karoriisquare'] = 0x330D; + t['kashidaautoarabic'] = 0x0640; + t['kashidaautonosidebearingarabic'] = 0x0640; + t['kasmallkatakana'] = 0x30F5; + t['kasquare'] = 0x3384; + t['kasraarabic'] = 0x0650; + t['kasratanarabic'] = 0x064D; + t['kastrokecyrillic'] = 0x049F; + t['katahiraprolongmarkhalfwidth'] = 0xFF70; + t['kaverticalstrokecyrillic'] = 0x049D; + t['kbopomofo'] = 0x310E; + t['kcalsquare'] = 0x3389; + t['kcaron'] = 0x01E9; + t['kcedilla'] = 0x0137; + t['kcircle'] = 0x24DA; + t['kcommaaccent'] = 0x0137; + t['kdotbelow'] = 0x1E33; + t['keharmenian'] = 0x0584; + t['kehiragana'] = 0x3051; + t['kekatakana'] = 0x30B1; + t['kekatakanahalfwidth'] = 0xFF79; + t['kenarmenian'] = 0x056F; + t['kesmallkatakana'] = 0x30F6; + t['kgreenlandic'] = 0x0138; + t['khabengali'] = 0x0996; + t['khacyrillic'] = 0x0445; + t['khadeva'] = 0x0916; + t['khagujarati'] = 0x0A96; + t['khagurmukhi'] = 0x0A16; + t['khaharabic'] = 0x062E; + t['khahfinalarabic'] = 0xFEA6; + t['khahinitialarabic'] = 0xFEA7; + t['khahmedialarabic'] = 0xFEA8; + t['kheicoptic'] = 0x03E7; + t['khhadeva'] = 0x0959; + t['khhagurmukhi'] = 0x0A59; + t['khieukhacirclekorean'] = 0x3278; + t['khieukhaparenkorean'] = 0x3218; + t['khieukhcirclekorean'] = 0x326A; + t['khieukhkorean'] = 0x314B; + t['khieukhparenkorean'] = 0x320A; + t['khokhaithai'] = 0x0E02; + t['khokhonthai'] = 0x0E05; + t['khokhuatthai'] = 0x0E03; + t['khokhwaithai'] = 0x0E04; + t['khomutthai'] = 0x0E5B; + t['khook'] = 0x0199; + t['khorakhangthai'] = 0x0E06; + t['khzsquare'] = 0x3391; + t['kihiragana'] = 0x304D; + t['kikatakana'] = 0x30AD; + t['kikatakanahalfwidth'] = 0xFF77; + t['kiroguramusquare'] = 0x3315; + t['kiromeetorusquare'] = 0x3316; + t['kirosquare'] = 0x3314; + t['kiyeokacirclekorean'] = 0x326E; + t['kiyeokaparenkorean'] = 0x320E; + t['kiyeokcirclekorean'] = 0x3260; + t['kiyeokkorean'] = 0x3131; + t['kiyeokparenkorean'] = 0x3200; + t['kiyeoksioskorean'] = 0x3133; + t['kjecyrillic'] = 0x045C; + t['klinebelow'] = 0x1E35; + t['klsquare'] = 0x3398; + t['kmcubedsquare'] = 0x33A6; + t['kmonospace'] = 0xFF4B; + t['kmsquaredsquare'] = 0x33A2; + t['kohiragana'] = 0x3053; + t['kohmsquare'] = 0x33C0; + t['kokaithai'] = 0x0E01; + t['kokatakana'] = 0x30B3; + t['kokatakanahalfwidth'] = 0xFF7A; + t['kooposquare'] = 0x331E; + t['koppacyrillic'] = 0x0481; + t['koreanstandardsymbol'] = 0x327F; + t['koroniscmb'] = 0x0343; + t['kparen'] = 0x24A6; + t['kpasquare'] = 0x33AA; + t['ksicyrillic'] = 0x046F; + t['ktsquare'] = 0x33CF; + t['kturned'] = 0x029E; + t['kuhiragana'] = 0x304F; + t['kukatakana'] = 0x30AF; + t['kukatakanahalfwidth'] = 0xFF78; + t['kvsquare'] = 0x33B8; + t['kwsquare'] = 0x33BE; + t['l'] = 0x006C; + t['labengali'] = 0x09B2; + t['lacute'] = 0x013A; + t['ladeva'] = 0x0932; + t['lagujarati'] = 0x0AB2; + t['lagurmukhi'] = 0x0A32; + t['lakkhangyaothai'] = 0x0E45; + t['lamaleffinalarabic'] = 0xFEFC; + t['lamalefhamzaabovefinalarabic'] = 0xFEF8; + t['lamalefhamzaaboveisolatedarabic'] = 0xFEF7; + t['lamalefhamzabelowfinalarabic'] = 0xFEFA; + t['lamalefhamzabelowisolatedarabic'] = 0xFEF9; + t['lamalefisolatedarabic'] = 0xFEFB; + t['lamalefmaddaabovefinalarabic'] = 0xFEF6; + t['lamalefmaddaaboveisolatedarabic'] = 0xFEF5; + t['lamarabic'] = 0x0644; + t['lambda'] = 0x03BB; + t['lambdastroke'] = 0x019B; + t['lamed'] = 0x05DC; + t['lameddagesh'] = 0xFB3C; + t['lameddageshhebrew'] = 0xFB3C; + t['lamedhebrew'] = 0x05DC; + t['lamfinalarabic'] = 0xFEDE; + t['lamhahinitialarabic'] = 0xFCCA; + t['laminitialarabic'] = 0xFEDF; + t['lamjeeminitialarabic'] = 0xFCC9; + t['lamkhahinitialarabic'] = 0xFCCB; + t['lamlamhehisolatedarabic'] = 0xFDF2; + t['lammedialarabic'] = 0xFEE0; + t['lammeemhahinitialarabic'] = 0xFD88; + t['lammeeminitialarabic'] = 0xFCCC; + t['largecircle'] = 0x25EF; + t['lbar'] = 0x019A; + t['lbelt'] = 0x026C; + t['lbopomofo'] = 0x310C; + t['lcaron'] = 0x013E; + t['lcedilla'] = 0x013C; + t['lcircle'] = 0x24DB; + t['lcircumflexbelow'] = 0x1E3D; + t['lcommaaccent'] = 0x013C; + t['ldot'] = 0x0140; + t['ldotaccent'] = 0x0140; + t['ldotbelow'] = 0x1E37; + t['ldotbelowmacron'] = 0x1E39; + t['leftangleabovecmb'] = 0x031A; + t['lefttackbelowcmb'] = 0x0318; + t['less'] = 0x003C; + t['lessequal'] = 0x2264; + t['lessequalorgreater'] = 0x22DA; + t['lessmonospace'] = 0xFF1C; + t['lessorequivalent'] = 0x2272; + t['lessorgreater'] = 0x2276; + t['lessoverequal'] = 0x2266; + t['lesssmall'] = 0xFE64; + t['lezh'] = 0x026E; + t['lfblock'] = 0x258C; + t['lhookretroflex'] = 0x026D; + t['lira'] = 0x20A4; + t['liwnarmenian'] = 0x056C; + t['lj'] = 0x01C9; + t['ljecyrillic'] = 0x0459; + t['ll'] = 0xF6C0; + t['lladeva'] = 0x0933; + t['llagujarati'] = 0x0AB3; + t['llinebelow'] = 0x1E3B; + t['llladeva'] = 0x0934; + t['llvocalicbengali'] = 0x09E1; + t['llvocalicdeva'] = 0x0961; + t['llvocalicvowelsignbengali'] = 0x09E3; + t['llvocalicvowelsigndeva'] = 0x0963; + t['lmiddletilde'] = 0x026B; + t['lmonospace'] = 0xFF4C; + t['lmsquare'] = 0x33D0; + t['lochulathai'] = 0x0E2C; + t['logicaland'] = 0x2227; + t['logicalnot'] = 0x00AC; + t['logicalnotreversed'] = 0x2310; + t['logicalor'] = 0x2228; + t['lolingthai'] = 0x0E25; + t['longs'] = 0x017F; + t['lowlinecenterline'] = 0xFE4E; + t['lowlinecmb'] = 0x0332; + t['lowlinedashed'] = 0xFE4D; + t['lozenge'] = 0x25CA; + t['lparen'] = 0x24A7; + t['lslash'] = 0x0142; + t['lsquare'] = 0x2113; + t['lsuperior'] = 0xF6EE; + t['ltshade'] = 0x2591; + t['luthai'] = 0x0E26; + t['lvocalicbengali'] = 0x098C; + t['lvocalicdeva'] = 0x090C; + t['lvocalicvowelsignbengali'] = 0x09E2; + t['lvocalicvowelsigndeva'] = 0x0962; + t['lxsquare'] = 0x33D3; + t['m'] = 0x006D; + t['mabengali'] = 0x09AE; + t['macron'] = 0x00AF; + t['macronbelowcmb'] = 0x0331; + t['macroncmb'] = 0x0304; + t['macronlowmod'] = 0x02CD; + t['macronmonospace'] = 0xFFE3; + t['macute'] = 0x1E3F; + t['madeva'] = 0x092E; + t['magujarati'] = 0x0AAE; + t['magurmukhi'] = 0x0A2E; + t['mahapakhhebrew'] = 0x05A4; + t['mahapakhlefthebrew'] = 0x05A4; + t['mahiragana'] = 0x307E; + t['maichattawalowleftthai'] = 0xF895; + t['maichattawalowrightthai'] = 0xF894; + t['maichattawathai'] = 0x0E4B; + t['maichattawaupperleftthai'] = 0xF893; + t['maieklowleftthai'] = 0xF88C; + t['maieklowrightthai'] = 0xF88B; + t['maiekthai'] = 0x0E48; + t['maiekupperleftthai'] = 0xF88A; + t['maihanakatleftthai'] = 0xF884; + t['maihanakatthai'] = 0x0E31; + t['maitaikhuleftthai'] = 0xF889; + t['maitaikhuthai'] = 0x0E47; + t['maitholowleftthai'] = 0xF88F; + t['maitholowrightthai'] = 0xF88E; + t['maithothai'] = 0x0E49; + t['maithoupperleftthai'] = 0xF88D; + t['maitrilowleftthai'] = 0xF892; + t['maitrilowrightthai'] = 0xF891; + t['maitrithai'] = 0x0E4A; + t['maitriupperleftthai'] = 0xF890; + t['maiyamokthai'] = 0x0E46; + t['makatakana'] = 0x30DE; + t['makatakanahalfwidth'] = 0xFF8F; + t['male'] = 0x2642; + t['mansyonsquare'] = 0x3347; + t['maqafhebrew'] = 0x05BE; + t['mars'] = 0x2642; + t['masoracirclehebrew'] = 0x05AF; + t['masquare'] = 0x3383; + t['mbopomofo'] = 0x3107; + t['mbsquare'] = 0x33D4; + t['mcircle'] = 0x24DC; + t['mcubedsquare'] = 0x33A5; + t['mdotaccent'] = 0x1E41; + t['mdotbelow'] = 0x1E43; + t['meemarabic'] = 0x0645; + t['meemfinalarabic'] = 0xFEE2; + t['meeminitialarabic'] = 0xFEE3; + t['meemmedialarabic'] = 0xFEE4; + t['meemmeeminitialarabic'] = 0xFCD1; + t['meemmeemisolatedarabic'] = 0xFC48; + t['meetorusquare'] = 0x334D; + t['mehiragana'] = 0x3081; + t['meizierasquare'] = 0x337E; + t['mekatakana'] = 0x30E1; + t['mekatakanahalfwidth'] = 0xFF92; + t['mem'] = 0x05DE; + t['memdagesh'] = 0xFB3E; + t['memdageshhebrew'] = 0xFB3E; + t['memhebrew'] = 0x05DE; + t['menarmenian'] = 0x0574; + t['merkhahebrew'] = 0x05A5; + t['merkhakefulahebrew'] = 0x05A6; + t['merkhakefulalefthebrew'] = 0x05A6; + t['merkhalefthebrew'] = 0x05A5; + t['mhook'] = 0x0271; + t['mhzsquare'] = 0x3392; + t['middledotkatakanahalfwidth'] = 0xFF65; + t['middot'] = 0x00B7; + t['mieumacirclekorean'] = 0x3272; + t['mieumaparenkorean'] = 0x3212; + t['mieumcirclekorean'] = 0x3264; + t['mieumkorean'] = 0x3141; + t['mieumpansioskorean'] = 0x3170; + t['mieumparenkorean'] = 0x3204; + t['mieumpieupkorean'] = 0x316E; + t['mieumsioskorean'] = 0x316F; + t['mihiragana'] = 0x307F; + t['mikatakana'] = 0x30DF; + t['mikatakanahalfwidth'] = 0xFF90; + t['minus'] = 0x2212; + t['minusbelowcmb'] = 0x0320; + t['minuscircle'] = 0x2296; + t['minusmod'] = 0x02D7; + t['minusplus'] = 0x2213; + t['minute'] = 0x2032; + t['miribaarusquare'] = 0x334A; + t['mirisquare'] = 0x3349; + t['mlonglegturned'] = 0x0270; + t['mlsquare'] = 0x3396; + t['mmcubedsquare'] = 0x33A3; + t['mmonospace'] = 0xFF4D; + t['mmsquaredsquare'] = 0x339F; + t['mohiragana'] = 0x3082; + t['mohmsquare'] = 0x33C1; + t['mokatakana'] = 0x30E2; + t['mokatakanahalfwidth'] = 0xFF93; + t['molsquare'] = 0x33D6; + t['momathai'] = 0x0E21; + t['moverssquare'] = 0x33A7; + t['moverssquaredsquare'] = 0x33A8; + t['mparen'] = 0x24A8; + t['mpasquare'] = 0x33AB; + t['mssquare'] = 0x33B3; + t['msuperior'] = 0xF6EF; + t['mturned'] = 0x026F; + t['mu'] = 0x00B5; + t['mu1'] = 0x00B5; + t['muasquare'] = 0x3382; + t['muchgreater'] = 0x226B; + t['muchless'] = 0x226A; + t['mufsquare'] = 0x338C; + t['mugreek'] = 0x03BC; + t['mugsquare'] = 0x338D; + t['muhiragana'] = 0x3080; + t['mukatakana'] = 0x30E0; + t['mukatakanahalfwidth'] = 0xFF91; + t['mulsquare'] = 0x3395; + t['multiply'] = 0x00D7; + t['mumsquare'] = 0x339B; + t['munahhebrew'] = 0x05A3; + t['munahlefthebrew'] = 0x05A3; + t['musicalnote'] = 0x266A; + t['musicalnotedbl'] = 0x266B; + t['musicflatsign'] = 0x266D; + t['musicsharpsign'] = 0x266F; + t['mussquare'] = 0x33B2; + t['muvsquare'] = 0x33B6; + t['muwsquare'] = 0x33BC; + t['mvmegasquare'] = 0x33B9; + t['mvsquare'] = 0x33B7; + t['mwmegasquare'] = 0x33BF; + t['mwsquare'] = 0x33BD; + t['n'] = 0x006E; + t['nabengali'] = 0x09A8; + t['nabla'] = 0x2207; + t['nacute'] = 0x0144; + t['nadeva'] = 0x0928; + t['nagujarati'] = 0x0AA8; + t['nagurmukhi'] = 0x0A28; + t['nahiragana'] = 0x306A; + t['nakatakana'] = 0x30CA; + t['nakatakanahalfwidth'] = 0xFF85; + t['napostrophe'] = 0x0149; + t['nasquare'] = 0x3381; + t['nbopomofo'] = 0x310B; + t['nbspace'] = 0x00A0; + t['ncaron'] = 0x0148; + t['ncedilla'] = 0x0146; + t['ncircle'] = 0x24DD; + t['ncircumflexbelow'] = 0x1E4B; + t['ncommaaccent'] = 0x0146; + t['ndotaccent'] = 0x1E45; + t['ndotbelow'] = 0x1E47; + t['nehiragana'] = 0x306D; + t['nekatakana'] = 0x30CD; + t['nekatakanahalfwidth'] = 0xFF88; + t['newsheqelsign'] = 0x20AA; + t['nfsquare'] = 0x338B; + t['ngabengali'] = 0x0999; + t['ngadeva'] = 0x0919; + t['ngagujarati'] = 0x0A99; + t['ngagurmukhi'] = 0x0A19; + t['ngonguthai'] = 0x0E07; + t['nhiragana'] = 0x3093; + t['nhookleft'] = 0x0272; + t['nhookretroflex'] = 0x0273; + t['nieunacirclekorean'] = 0x326F; + t['nieunaparenkorean'] = 0x320F; + t['nieuncieuckorean'] = 0x3135; + t['nieuncirclekorean'] = 0x3261; + t['nieunhieuhkorean'] = 0x3136; + t['nieunkorean'] = 0x3134; + t['nieunpansioskorean'] = 0x3168; + t['nieunparenkorean'] = 0x3201; + t['nieunsioskorean'] = 0x3167; + t['nieuntikeutkorean'] = 0x3166; + t['nihiragana'] = 0x306B; + t['nikatakana'] = 0x30CB; + t['nikatakanahalfwidth'] = 0xFF86; + t['nikhahitleftthai'] = 0xF899; + t['nikhahitthai'] = 0x0E4D; + t['nine'] = 0x0039; + t['ninearabic'] = 0x0669; + t['ninebengali'] = 0x09EF; + t['ninecircle'] = 0x2468; + t['ninecircleinversesansserif'] = 0x2792; + t['ninedeva'] = 0x096F; + t['ninegujarati'] = 0x0AEF; + t['ninegurmukhi'] = 0x0A6F; + t['ninehackarabic'] = 0x0669; + t['ninehangzhou'] = 0x3029; + t['nineideographicparen'] = 0x3228; + t['nineinferior'] = 0x2089; + t['ninemonospace'] = 0xFF19; + t['nineoldstyle'] = 0xF739; + t['nineparen'] = 0x247C; + t['nineperiod'] = 0x2490; + t['ninepersian'] = 0x06F9; + t['nineroman'] = 0x2178; + t['ninesuperior'] = 0x2079; + t['nineteencircle'] = 0x2472; + t['nineteenparen'] = 0x2486; + t['nineteenperiod'] = 0x249A; + t['ninethai'] = 0x0E59; + t['nj'] = 0x01CC; + t['njecyrillic'] = 0x045A; + t['nkatakana'] = 0x30F3; + t['nkatakanahalfwidth'] = 0xFF9D; + t['nlegrightlong'] = 0x019E; + t['nlinebelow'] = 0x1E49; + t['nmonospace'] = 0xFF4E; + t['nmsquare'] = 0x339A; + t['nnabengali'] = 0x09A3; + t['nnadeva'] = 0x0923; + t['nnagujarati'] = 0x0AA3; + t['nnagurmukhi'] = 0x0A23; + t['nnnadeva'] = 0x0929; + t['nohiragana'] = 0x306E; + t['nokatakana'] = 0x30CE; + t['nokatakanahalfwidth'] = 0xFF89; + t['nonbreakingspace'] = 0x00A0; + t['nonenthai'] = 0x0E13; + t['nonuthai'] = 0x0E19; + t['noonarabic'] = 0x0646; + t['noonfinalarabic'] = 0xFEE6; + t['noonghunnaarabic'] = 0x06BA; + t['noonghunnafinalarabic'] = 0xFB9F; + t['nooninitialarabic'] = 0xFEE7; + t['noonjeeminitialarabic'] = 0xFCD2; + t['noonjeemisolatedarabic'] = 0xFC4B; + t['noonmedialarabic'] = 0xFEE8; + t['noonmeeminitialarabic'] = 0xFCD5; + t['noonmeemisolatedarabic'] = 0xFC4E; + t['noonnoonfinalarabic'] = 0xFC8D; + t['notcontains'] = 0x220C; + t['notelement'] = 0x2209; + t['notelementof'] = 0x2209; + t['notequal'] = 0x2260; + t['notgreater'] = 0x226F; + t['notgreaternorequal'] = 0x2271; + t['notgreaternorless'] = 0x2279; + t['notidentical'] = 0x2262; + t['notless'] = 0x226E; + t['notlessnorequal'] = 0x2270; + t['notparallel'] = 0x2226; + t['notprecedes'] = 0x2280; + t['notsubset'] = 0x2284; + t['notsucceeds'] = 0x2281; + t['notsuperset'] = 0x2285; + t['nowarmenian'] = 0x0576; + t['nparen'] = 0x24A9; + t['nssquare'] = 0x33B1; + t['nsuperior'] = 0x207F; + t['ntilde'] = 0x00F1; + t['nu'] = 0x03BD; + t['nuhiragana'] = 0x306C; + t['nukatakana'] = 0x30CC; + t['nukatakanahalfwidth'] = 0xFF87; + t['nuktabengali'] = 0x09BC; + t['nuktadeva'] = 0x093C; + t['nuktagujarati'] = 0x0ABC; + t['nuktagurmukhi'] = 0x0A3C; + t['numbersign'] = 0x0023; + t['numbersignmonospace'] = 0xFF03; + t['numbersignsmall'] = 0xFE5F; + t['numeralsigngreek'] = 0x0374; + t['numeralsignlowergreek'] = 0x0375; + t['numero'] = 0x2116; + t['nun'] = 0x05E0; + t['nundagesh'] = 0xFB40; + t['nundageshhebrew'] = 0xFB40; + t['nunhebrew'] = 0x05E0; + t['nvsquare'] = 0x33B5; + t['nwsquare'] = 0x33BB; + t['nyabengali'] = 0x099E; + t['nyadeva'] = 0x091E; + t['nyagujarati'] = 0x0A9E; + t['nyagurmukhi'] = 0x0A1E; + t['o'] = 0x006F; + t['oacute'] = 0x00F3; + t['oangthai'] = 0x0E2D; + t['obarred'] = 0x0275; + t['obarredcyrillic'] = 0x04E9; + t['obarreddieresiscyrillic'] = 0x04EB; + t['obengali'] = 0x0993; + t['obopomofo'] = 0x311B; + t['obreve'] = 0x014F; + t['ocandradeva'] = 0x0911; + t['ocandragujarati'] = 0x0A91; + t['ocandravowelsigndeva'] = 0x0949; + t['ocandravowelsigngujarati'] = 0x0AC9; + t['ocaron'] = 0x01D2; + t['ocircle'] = 0x24DE; + t['ocircumflex'] = 0x00F4; + t['ocircumflexacute'] = 0x1ED1; + t['ocircumflexdotbelow'] = 0x1ED9; + t['ocircumflexgrave'] = 0x1ED3; + t['ocircumflexhookabove'] = 0x1ED5; + t['ocircumflextilde'] = 0x1ED7; + t['ocyrillic'] = 0x043E; + t['odblacute'] = 0x0151; + t['odblgrave'] = 0x020D; + t['odeva'] = 0x0913; + t['odieresis'] = 0x00F6; + t['odieresiscyrillic'] = 0x04E7; + t['odotbelow'] = 0x1ECD; + t['oe'] = 0x0153; + t['oekorean'] = 0x315A; + t['ogonek'] = 0x02DB; + t['ogonekcmb'] = 0x0328; + t['ograve'] = 0x00F2; + t['ogujarati'] = 0x0A93; + t['oharmenian'] = 0x0585; + t['ohiragana'] = 0x304A; + t['ohookabove'] = 0x1ECF; + t['ohorn'] = 0x01A1; + t['ohornacute'] = 0x1EDB; + t['ohorndotbelow'] = 0x1EE3; + t['ohorngrave'] = 0x1EDD; + t['ohornhookabove'] = 0x1EDF; + t['ohorntilde'] = 0x1EE1; + t['ohungarumlaut'] = 0x0151; + t['oi'] = 0x01A3; + t['oinvertedbreve'] = 0x020F; + t['okatakana'] = 0x30AA; + t['okatakanahalfwidth'] = 0xFF75; + t['okorean'] = 0x3157; + t['olehebrew'] = 0x05AB; + t['omacron'] = 0x014D; + t['omacronacute'] = 0x1E53; + t['omacrongrave'] = 0x1E51; + t['omdeva'] = 0x0950; + t['omega'] = 0x03C9; + t['omega1'] = 0x03D6; + t['omegacyrillic'] = 0x0461; + t['omegalatinclosed'] = 0x0277; + t['omegaroundcyrillic'] = 0x047B; + t['omegatitlocyrillic'] = 0x047D; + t['omegatonos'] = 0x03CE; + t['omgujarati'] = 0x0AD0; + t['omicron'] = 0x03BF; + t['omicrontonos'] = 0x03CC; + t['omonospace'] = 0xFF4F; + t['one'] = 0x0031; + t['onearabic'] = 0x0661; + t['onebengali'] = 0x09E7; + t['onecircle'] = 0x2460; + t['onecircleinversesansserif'] = 0x278A; + t['onedeva'] = 0x0967; + t['onedotenleader'] = 0x2024; + t['oneeighth'] = 0x215B; + t['onefitted'] = 0xF6DC; + t['onegujarati'] = 0x0AE7; + t['onegurmukhi'] = 0x0A67; + t['onehackarabic'] = 0x0661; + t['onehalf'] = 0x00BD; + t['onehangzhou'] = 0x3021; + t['oneideographicparen'] = 0x3220; + t['oneinferior'] = 0x2081; + t['onemonospace'] = 0xFF11; + t['onenumeratorbengali'] = 0x09F4; + t['oneoldstyle'] = 0xF731; + t['oneparen'] = 0x2474; + t['oneperiod'] = 0x2488; + t['onepersian'] = 0x06F1; + t['onequarter'] = 0x00BC; + t['oneroman'] = 0x2170; + t['onesuperior'] = 0x00B9; + t['onethai'] = 0x0E51; + t['onethird'] = 0x2153; + t['oogonek'] = 0x01EB; + t['oogonekmacron'] = 0x01ED; + t['oogurmukhi'] = 0x0A13; + t['oomatragurmukhi'] = 0x0A4B; + t['oopen'] = 0x0254; + t['oparen'] = 0x24AA; + t['openbullet'] = 0x25E6; + t['option'] = 0x2325; + t['ordfeminine'] = 0x00AA; + t['ordmasculine'] = 0x00BA; + t['orthogonal'] = 0x221F; + t['oshortdeva'] = 0x0912; + t['oshortvowelsigndeva'] = 0x094A; + t['oslash'] = 0x00F8; + t['oslashacute'] = 0x01FF; + t['osmallhiragana'] = 0x3049; + t['osmallkatakana'] = 0x30A9; + t['osmallkatakanahalfwidth'] = 0xFF6B; + t['ostrokeacute'] = 0x01FF; + t['osuperior'] = 0xF6F0; + t['otcyrillic'] = 0x047F; + t['otilde'] = 0x00F5; + t['otildeacute'] = 0x1E4D; + t['otildedieresis'] = 0x1E4F; + t['oubopomofo'] = 0x3121; + t['overline'] = 0x203E; + t['overlinecenterline'] = 0xFE4A; + t['overlinecmb'] = 0x0305; + t['overlinedashed'] = 0xFE49; + t['overlinedblwavy'] = 0xFE4C; + t['overlinewavy'] = 0xFE4B; + t['overscore'] = 0x00AF; + t['ovowelsignbengali'] = 0x09CB; + t['ovowelsigndeva'] = 0x094B; + t['ovowelsigngujarati'] = 0x0ACB; + t['p'] = 0x0070; + t['paampssquare'] = 0x3380; + t['paasentosquare'] = 0x332B; + t['pabengali'] = 0x09AA; + t['pacute'] = 0x1E55; + t['padeva'] = 0x092A; + t['pagedown'] = 0x21DF; + t['pageup'] = 0x21DE; + t['pagujarati'] = 0x0AAA; + t['pagurmukhi'] = 0x0A2A; + t['pahiragana'] = 0x3071; + t['paiyannoithai'] = 0x0E2F; + t['pakatakana'] = 0x30D1; + t['palatalizationcyrilliccmb'] = 0x0484; + t['palochkacyrillic'] = 0x04C0; + t['pansioskorean'] = 0x317F; + t['paragraph'] = 0x00B6; + t['parallel'] = 0x2225; + t['parenleft'] = 0x0028; + t['parenleftaltonearabic'] = 0xFD3E; + t['parenleftbt'] = 0xF8ED; + t['parenleftex'] = 0xF8EC; + t['parenleftinferior'] = 0x208D; + t['parenleftmonospace'] = 0xFF08; + t['parenleftsmall'] = 0xFE59; + t['parenleftsuperior'] = 0x207D; + t['parenlefttp'] = 0xF8EB; + t['parenleftvertical'] = 0xFE35; + t['parenright'] = 0x0029; + t['parenrightaltonearabic'] = 0xFD3F; + t['parenrightbt'] = 0xF8F8; + t['parenrightex'] = 0xF8F7; + t['parenrightinferior'] = 0x208E; + t['parenrightmonospace'] = 0xFF09; + t['parenrightsmall'] = 0xFE5A; + t['parenrightsuperior'] = 0x207E; + t['parenrighttp'] = 0xF8F6; + t['parenrightvertical'] = 0xFE36; + t['partialdiff'] = 0x2202; + t['paseqhebrew'] = 0x05C0; + t['pashtahebrew'] = 0x0599; + t['pasquare'] = 0x33A9; + t['patah'] = 0x05B7; + t['patah11'] = 0x05B7; + t['patah1d'] = 0x05B7; + t['patah2a'] = 0x05B7; + t['patahhebrew'] = 0x05B7; + t['patahnarrowhebrew'] = 0x05B7; + t['patahquarterhebrew'] = 0x05B7; + t['patahwidehebrew'] = 0x05B7; + t['pazerhebrew'] = 0x05A1; + t['pbopomofo'] = 0x3106; + t['pcircle'] = 0x24DF; + t['pdotaccent'] = 0x1E57; + t['pe'] = 0x05E4; + t['pecyrillic'] = 0x043F; + t['pedagesh'] = 0xFB44; + t['pedageshhebrew'] = 0xFB44; + t['peezisquare'] = 0x333B; + t['pefinaldageshhebrew'] = 0xFB43; + t['peharabic'] = 0x067E; + t['peharmenian'] = 0x057A; + t['pehebrew'] = 0x05E4; + t['pehfinalarabic'] = 0xFB57; + t['pehinitialarabic'] = 0xFB58; + t['pehiragana'] = 0x307A; + t['pehmedialarabic'] = 0xFB59; + t['pekatakana'] = 0x30DA; + t['pemiddlehookcyrillic'] = 0x04A7; + t['perafehebrew'] = 0xFB4E; + t['percent'] = 0x0025; + t['percentarabic'] = 0x066A; + t['percentmonospace'] = 0xFF05; + t['percentsmall'] = 0xFE6A; + t['period'] = 0x002E; + t['periodarmenian'] = 0x0589; + t['periodcentered'] = 0x00B7; + t['periodhalfwidth'] = 0xFF61; + t['periodinferior'] = 0xF6E7; + t['periodmonospace'] = 0xFF0E; + t['periodsmall'] = 0xFE52; + t['periodsuperior'] = 0xF6E8; + t['perispomenigreekcmb'] = 0x0342; + t['perpendicular'] = 0x22A5; + t['perthousand'] = 0x2030; + t['peseta'] = 0x20A7; + t['pfsquare'] = 0x338A; + t['phabengali'] = 0x09AB; + t['phadeva'] = 0x092B; + t['phagujarati'] = 0x0AAB; + t['phagurmukhi'] = 0x0A2B; + t['phi'] = 0x03C6; + t['phi1'] = 0x03D5; + t['phieuphacirclekorean'] = 0x327A; + t['phieuphaparenkorean'] = 0x321A; + t['phieuphcirclekorean'] = 0x326C; + t['phieuphkorean'] = 0x314D; + t['phieuphparenkorean'] = 0x320C; + t['philatin'] = 0x0278; + t['phinthuthai'] = 0x0E3A; + t['phisymbolgreek'] = 0x03D5; + t['phook'] = 0x01A5; + t['phophanthai'] = 0x0E1E; + t['phophungthai'] = 0x0E1C; + t['phosamphaothai'] = 0x0E20; + t['pi'] = 0x03C0; + t['pieupacirclekorean'] = 0x3273; + t['pieupaparenkorean'] = 0x3213; + t['pieupcieuckorean'] = 0x3176; + t['pieupcirclekorean'] = 0x3265; + t['pieupkiyeokkorean'] = 0x3172; + t['pieupkorean'] = 0x3142; + t['pieupparenkorean'] = 0x3205; + t['pieupsioskiyeokkorean'] = 0x3174; + t['pieupsioskorean'] = 0x3144; + t['pieupsiostikeutkorean'] = 0x3175; + t['pieupthieuthkorean'] = 0x3177; + t['pieuptikeutkorean'] = 0x3173; + t['pihiragana'] = 0x3074; + t['pikatakana'] = 0x30D4; + t['pisymbolgreek'] = 0x03D6; + t['piwrarmenian'] = 0x0583; + t['plus'] = 0x002B; + t['plusbelowcmb'] = 0x031F; + t['pluscircle'] = 0x2295; + t['plusminus'] = 0x00B1; + t['plusmod'] = 0x02D6; + t['plusmonospace'] = 0xFF0B; + t['plussmall'] = 0xFE62; + t['plussuperior'] = 0x207A; + t['pmonospace'] = 0xFF50; + t['pmsquare'] = 0x33D8; + t['pohiragana'] = 0x307D; + t['pointingindexdownwhite'] = 0x261F; + t['pointingindexleftwhite'] = 0x261C; + t['pointingindexrightwhite'] = 0x261E; + t['pointingindexupwhite'] = 0x261D; + t['pokatakana'] = 0x30DD; + t['poplathai'] = 0x0E1B; + t['postalmark'] = 0x3012; + t['postalmarkface'] = 0x3020; + t['pparen'] = 0x24AB; + t['precedes'] = 0x227A; + t['prescription'] = 0x211E; + t['primemod'] = 0x02B9; + t['primereversed'] = 0x2035; + t['product'] = 0x220F; + t['projective'] = 0x2305; + t['prolongedkana'] = 0x30FC; + t['propellor'] = 0x2318; + t['propersubset'] = 0x2282; + t['propersuperset'] = 0x2283; + t['proportion'] = 0x2237; + t['proportional'] = 0x221D; + t['psi'] = 0x03C8; + t['psicyrillic'] = 0x0471; + t['psilipneumatacyrilliccmb'] = 0x0486; + t['pssquare'] = 0x33B0; + t['puhiragana'] = 0x3077; + t['pukatakana'] = 0x30D7; + t['pvsquare'] = 0x33B4; + t['pwsquare'] = 0x33BA; + t['q'] = 0x0071; + t['qadeva'] = 0x0958; + t['qadmahebrew'] = 0x05A8; + t['qafarabic'] = 0x0642; + t['qaffinalarabic'] = 0xFED6; + t['qafinitialarabic'] = 0xFED7; + t['qafmedialarabic'] = 0xFED8; + t['qamats'] = 0x05B8; + t['qamats10'] = 0x05B8; + t['qamats1a'] = 0x05B8; + t['qamats1c'] = 0x05B8; + t['qamats27'] = 0x05B8; + t['qamats29'] = 0x05B8; + t['qamats33'] = 0x05B8; + t['qamatsde'] = 0x05B8; + t['qamatshebrew'] = 0x05B8; + t['qamatsnarrowhebrew'] = 0x05B8; + t['qamatsqatanhebrew'] = 0x05B8; + t['qamatsqatannarrowhebrew'] = 0x05B8; + t['qamatsqatanquarterhebrew'] = 0x05B8; + t['qamatsqatanwidehebrew'] = 0x05B8; + t['qamatsquarterhebrew'] = 0x05B8; + t['qamatswidehebrew'] = 0x05B8; + t['qarneyparahebrew'] = 0x059F; + t['qbopomofo'] = 0x3111; + t['qcircle'] = 0x24E0; + t['qhook'] = 0x02A0; + t['qmonospace'] = 0xFF51; + t['qof'] = 0x05E7; + t['qofdagesh'] = 0xFB47; + t['qofdageshhebrew'] = 0xFB47; + t['qofhebrew'] = 0x05E7; + t['qparen'] = 0x24AC; + t['quarternote'] = 0x2669; + t['qubuts'] = 0x05BB; + t['qubuts18'] = 0x05BB; + t['qubuts25'] = 0x05BB; + t['qubuts31'] = 0x05BB; + t['qubutshebrew'] = 0x05BB; + t['qubutsnarrowhebrew'] = 0x05BB; + t['qubutsquarterhebrew'] = 0x05BB; + t['qubutswidehebrew'] = 0x05BB; + t['question'] = 0x003F; + t['questionarabic'] = 0x061F; + t['questionarmenian'] = 0x055E; + t['questiondown'] = 0x00BF; + t['questiondownsmall'] = 0xF7BF; + t['questiongreek'] = 0x037E; + t['questionmonospace'] = 0xFF1F; + t['questionsmall'] = 0xF73F; + t['quotedbl'] = 0x0022; + t['quotedblbase'] = 0x201E; + t['quotedblleft'] = 0x201C; + t['quotedblmonospace'] = 0xFF02; + t['quotedblprime'] = 0x301E; + t['quotedblprimereversed'] = 0x301D; + t['quotedblright'] = 0x201D; + t['quoteleft'] = 0x2018; + t['quoteleftreversed'] = 0x201B; + t['quotereversed'] = 0x201B; + t['quoteright'] = 0x2019; + t['quoterightn'] = 0x0149; + t['quotesinglbase'] = 0x201A; + t['quotesingle'] = 0x0027; + t['quotesinglemonospace'] = 0xFF07; + t['r'] = 0x0072; + t['raarmenian'] = 0x057C; + t['rabengali'] = 0x09B0; + t['racute'] = 0x0155; + t['radeva'] = 0x0930; + t['radical'] = 0x221A; + t['radicalex'] = 0xF8E5; + t['radoverssquare'] = 0x33AE; + t['radoverssquaredsquare'] = 0x33AF; + t['radsquare'] = 0x33AD; + t['rafe'] = 0x05BF; + t['rafehebrew'] = 0x05BF; + t['ragujarati'] = 0x0AB0; + t['ragurmukhi'] = 0x0A30; + t['rahiragana'] = 0x3089; + t['rakatakana'] = 0x30E9; + t['rakatakanahalfwidth'] = 0xFF97; + t['ralowerdiagonalbengali'] = 0x09F1; + t['ramiddlediagonalbengali'] = 0x09F0; + t['ramshorn'] = 0x0264; + t['ratio'] = 0x2236; + t['rbopomofo'] = 0x3116; + t['rcaron'] = 0x0159; + t['rcedilla'] = 0x0157; + t['rcircle'] = 0x24E1; + t['rcommaaccent'] = 0x0157; + t['rdblgrave'] = 0x0211; + t['rdotaccent'] = 0x1E59; + t['rdotbelow'] = 0x1E5B; + t['rdotbelowmacron'] = 0x1E5D; + t['referencemark'] = 0x203B; + t['reflexsubset'] = 0x2286; + t['reflexsuperset'] = 0x2287; + t['registered'] = 0x00AE; + t['registersans'] = 0xF8E8; + t['registerserif'] = 0xF6DA; + t['reharabic'] = 0x0631; + t['reharmenian'] = 0x0580; + t['rehfinalarabic'] = 0xFEAE; + t['rehiragana'] = 0x308C; + t['rekatakana'] = 0x30EC; + t['rekatakanahalfwidth'] = 0xFF9A; + t['resh'] = 0x05E8; + t['reshdageshhebrew'] = 0xFB48; + t['reshhebrew'] = 0x05E8; + t['reversedtilde'] = 0x223D; + t['reviahebrew'] = 0x0597; + t['reviamugrashhebrew'] = 0x0597; + t['revlogicalnot'] = 0x2310; + t['rfishhook'] = 0x027E; + t['rfishhookreversed'] = 0x027F; + t['rhabengali'] = 0x09DD; + t['rhadeva'] = 0x095D; + t['rho'] = 0x03C1; + t['rhook'] = 0x027D; + t['rhookturned'] = 0x027B; + t['rhookturnedsuperior'] = 0x02B5; + t['rhosymbolgreek'] = 0x03F1; + t['rhotichookmod'] = 0x02DE; + t['rieulacirclekorean'] = 0x3271; + t['rieulaparenkorean'] = 0x3211; + t['rieulcirclekorean'] = 0x3263; + t['rieulhieuhkorean'] = 0x3140; + t['rieulkiyeokkorean'] = 0x313A; + t['rieulkiyeoksioskorean'] = 0x3169; + t['rieulkorean'] = 0x3139; + t['rieulmieumkorean'] = 0x313B; + t['rieulpansioskorean'] = 0x316C; + t['rieulparenkorean'] = 0x3203; + t['rieulphieuphkorean'] = 0x313F; + t['rieulpieupkorean'] = 0x313C; + t['rieulpieupsioskorean'] = 0x316B; + t['rieulsioskorean'] = 0x313D; + t['rieulthieuthkorean'] = 0x313E; + t['rieultikeutkorean'] = 0x316A; + t['rieulyeorinhieuhkorean'] = 0x316D; + t['rightangle'] = 0x221F; + t['righttackbelowcmb'] = 0x0319; + t['righttriangle'] = 0x22BF; + t['rihiragana'] = 0x308A; + t['rikatakana'] = 0x30EA; + t['rikatakanahalfwidth'] = 0xFF98; + t['ring'] = 0x02DA; + t['ringbelowcmb'] = 0x0325; + t['ringcmb'] = 0x030A; + t['ringhalfleft'] = 0x02BF; + t['ringhalfleftarmenian'] = 0x0559; + t['ringhalfleftbelowcmb'] = 0x031C; + t['ringhalfleftcentered'] = 0x02D3; + t['ringhalfright'] = 0x02BE; + t['ringhalfrightbelowcmb'] = 0x0339; + t['ringhalfrightcentered'] = 0x02D2; + t['rinvertedbreve'] = 0x0213; + t['rittorusquare'] = 0x3351; + t['rlinebelow'] = 0x1E5F; + t['rlongleg'] = 0x027C; + t['rlonglegturned'] = 0x027A; + t['rmonospace'] = 0xFF52; + t['rohiragana'] = 0x308D; + t['rokatakana'] = 0x30ED; + t['rokatakanahalfwidth'] = 0xFF9B; + t['roruathai'] = 0x0E23; + t['rparen'] = 0x24AD; + t['rrabengali'] = 0x09DC; + t['rradeva'] = 0x0931; + t['rragurmukhi'] = 0x0A5C; + t['rreharabic'] = 0x0691; + t['rrehfinalarabic'] = 0xFB8D; + t['rrvocalicbengali'] = 0x09E0; + t['rrvocalicdeva'] = 0x0960; + t['rrvocalicgujarati'] = 0x0AE0; + t['rrvocalicvowelsignbengali'] = 0x09C4; + t['rrvocalicvowelsigndeva'] = 0x0944; + t['rrvocalicvowelsigngujarati'] = 0x0AC4; + t['rsuperior'] = 0xF6F1; + t['rtblock'] = 0x2590; + t['rturned'] = 0x0279; + t['rturnedsuperior'] = 0x02B4; + t['ruhiragana'] = 0x308B; + t['rukatakana'] = 0x30EB; + t['rukatakanahalfwidth'] = 0xFF99; + t['rupeemarkbengali'] = 0x09F2; + t['rupeesignbengali'] = 0x09F3; + t['rupiah'] = 0xF6DD; + t['ruthai'] = 0x0E24; + t['rvocalicbengali'] = 0x098B; + t['rvocalicdeva'] = 0x090B; + t['rvocalicgujarati'] = 0x0A8B; + t['rvocalicvowelsignbengali'] = 0x09C3; + t['rvocalicvowelsigndeva'] = 0x0943; + t['rvocalicvowelsigngujarati'] = 0x0AC3; + t['s'] = 0x0073; + t['sabengali'] = 0x09B8; + t['sacute'] = 0x015B; + t['sacutedotaccent'] = 0x1E65; + t['sadarabic'] = 0x0635; + t['sadeva'] = 0x0938; + t['sadfinalarabic'] = 0xFEBA; + t['sadinitialarabic'] = 0xFEBB; + t['sadmedialarabic'] = 0xFEBC; + t['sagujarati'] = 0x0AB8; + t['sagurmukhi'] = 0x0A38; + t['sahiragana'] = 0x3055; + t['sakatakana'] = 0x30B5; + t['sakatakanahalfwidth'] = 0xFF7B; + t['sallallahoualayhewasallamarabic'] = 0xFDFA; + t['samekh'] = 0x05E1; + t['samekhdagesh'] = 0xFB41; + t['samekhdageshhebrew'] = 0xFB41; + t['samekhhebrew'] = 0x05E1; + t['saraaathai'] = 0x0E32; + t['saraaethai'] = 0x0E41; + t['saraaimaimalaithai'] = 0x0E44; + t['saraaimaimuanthai'] = 0x0E43; + t['saraamthai'] = 0x0E33; + t['saraathai'] = 0x0E30; + t['saraethai'] = 0x0E40; + t['saraiileftthai'] = 0xF886; + t['saraiithai'] = 0x0E35; + t['saraileftthai'] = 0xF885; + t['saraithai'] = 0x0E34; + t['saraothai'] = 0x0E42; + t['saraueeleftthai'] = 0xF888; + t['saraueethai'] = 0x0E37; + t['saraueleftthai'] = 0xF887; + t['sarauethai'] = 0x0E36; + t['sarauthai'] = 0x0E38; + t['sarauuthai'] = 0x0E39; + t['sbopomofo'] = 0x3119; + t['scaron'] = 0x0161; + t['scarondotaccent'] = 0x1E67; + t['scedilla'] = 0x015F; + t['schwa'] = 0x0259; + t['schwacyrillic'] = 0x04D9; + t['schwadieresiscyrillic'] = 0x04DB; + t['schwahook'] = 0x025A; + t['scircle'] = 0x24E2; + t['scircumflex'] = 0x015D; + t['scommaaccent'] = 0x0219; + t['sdotaccent'] = 0x1E61; + t['sdotbelow'] = 0x1E63; + t['sdotbelowdotaccent'] = 0x1E69; + t['seagullbelowcmb'] = 0x033C; + t['second'] = 0x2033; + t['secondtonechinese'] = 0x02CA; + t['section'] = 0x00A7; + t['seenarabic'] = 0x0633; + t['seenfinalarabic'] = 0xFEB2; + t['seeninitialarabic'] = 0xFEB3; + t['seenmedialarabic'] = 0xFEB4; + t['segol'] = 0x05B6; + t['segol13'] = 0x05B6; + t['segol1f'] = 0x05B6; + t['segol2c'] = 0x05B6; + t['segolhebrew'] = 0x05B6; + t['segolnarrowhebrew'] = 0x05B6; + t['segolquarterhebrew'] = 0x05B6; + t['segoltahebrew'] = 0x0592; + t['segolwidehebrew'] = 0x05B6; + t['seharmenian'] = 0x057D; + t['sehiragana'] = 0x305B; + t['sekatakana'] = 0x30BB; + t['sekatakanahalfwidth'] = 0xFF7E; + t['semicolon'] = 0x003B; + t['semicolonarabic'] = 0x061B; + t['semicolonmonospace'] = 0xFF1B; + t['semicolonsmall'] = 0xFE54; + t['semivoicedmarkkana'] = 0x309C; + t['semivoicedmarkkanahalfwidth'] = 0xFF9F; + t['sentisquare'] = 0x3322; + t['sentosquare'] = 0x3323; + t['seven'] = 0x0037; + t['sevenarabic'] = 0x0667; + t['sevenbengali'] = 0x09ED; + t['sevencircle'] = 0x2466; + t['sevencircleinversesansserif'] = 0x2790; + t['sevendeva'] = 0x096D; + t['seveneighths'] = 0x215E; + t['sevengujarati'] = 0x0AED; + t['sevengurmukhi'] = 0x0A6D; + t['sevenhackarabic'] = 0x0667; + t['sevenhangzhou'] = 0x3027; + t['sevenideographicparen'] = 0x3226; + t['seveninferior'] = 0x2087; + t['sevenmonospace'] = 0xFF17; + t['sevenoldstyle'] = 0xF737; + t['sevenparen'] = 0x247A; + t['sevenperiod'] = 0x248E; + t['sevenpersian'] = 0x06F7; + t['sevenroman'] = 0x2176; + t['sevensuperior'] = 0x2077; + t['seventeencircle'] = 0x2470; + t['seventeenparen'] = 0x2484; + t['seventeenperiod'] = 0x2498; + t['seventhai'] = 0x0E57; + t['sfthyphen'] = 0x00AD; + t['shaarmenian'] = 0x0577; + t['shabengali'] = 0x09B6; + t['shacyrillic'] = 0x0448; + t['shaddaarabic'] = 0x0651; + t['shaddadammaarabic'] = 0xFC61; + t['shaddadammatanarabic'] = 0xFC5E; + t['shaddafathaarabic'] = 0xFC60; + t['shaddakasraarabic'] = 0xFC62; + t['shaddakasratanarabic'] = 0xFC5F; + t['shade'] = 0x2592; + t['shadedark'] = 0x2593; + t['shadelight'] = 0x2591; + t['shademedium'] = 0x2592; + t['shadeva'] = 0x0936; + t['shagujarati'] = 0x0AB6; + t['shagurmukhi'] = 0x0A36; + t['shalshelethebrew'] = 0x0593; + t['shbopomofo'] = 0x3115; + t['shchacyrillic'] = 0x0449; + t['sheenarabic'] = 0x0634; + t['sheenfinalarabic'] = 0xFEB6; + t['sheeninitialarabic'] = 0xFEB7; + t['sheenmedialarabic'] = 0xFEB8; + t['sheicoptic'] = 0x03E3; + t['sheqel'] = 0x20AA; + t['sheqelhebrew'] = 0x20AA; + t['sheva'] = 0x05B0; + t['sheva115'] = 0x05B0; + t['sheva15'] = 0x05B0; + t['sheva22'] = 0x05B0; + t['sheva2e'] = 0x05B0; + t['shevahebrew'] = 0x05B0; + t['shevanarrowhebrew'] = 0x05B0; + t['shevaquarterhebrew'] = 0x05B0; + t['shevawidehebrew'] = 0x05B0; + t['shhacyrillic'] = 0x04BB; + t['shimacoptic'] = 0x03ED; + t['shin'] = 0x05E9; + t['shindagesh'] = 0xFB49; + t['shindageshhebrew'] = 0xFB49; + t['shindageshshindot'] = 0xFB2C; + t['shindageshshindothebrew'] = 0xFB2C; + t['shindageshsindot'] = 0xFB2D; + t['shindageshsindothebrew'] = 0xFB2D; + t['shindothebrew'] = 0x05C1; + t['shinhebrew'] = 0x05E9; + t['shinshindot'] = 0xFB2A; + t['shinshindothebrew'] = 0xFB2A; + t['shinsindot'] = 0xFB2B; + t['shinsindothebrew'] = 0xFB2B; + t['shook'] = 0x0282; + t['sigma'] = 0x03C3; + t['sigma1'] = 0x03C2; + t['sigmafinal'] = 0x03C2; + t['sigmalunatesymbolgreek'] = 0x03F2; + t['sihiragana'] = 0x3057; + t['sikatakana'] = 0x30B7; + t['sikatakanahalfwidth'] = 0xFF7C; + t['siluqhebrew'] = 0x05BD; + t['siluqlefthebrew'] = 0x05BD; + t['similar'] = 0x223C; + t['sindothebrew'] = 0x05C2; + t['siosacirclekorean'] = 0x3274; + t['siosaparenkorean'] = 0x3214; + t['sioscieuckorean'] = 0x317E; + t['sioscirclekorean'] = 0x3266; + t['sioskiyeokkorean'] = 0x317A; + t['sioskorean'] = 0x3145; + t['siosnieunkorean'] = 0x317B; + t['siosparenkorean'] = 0x3206; + t['siospieupkorean'] = 0x317D; + t['siostikeutkorean'] = 0x317C; + t['six'] = 0x0036; + t['sixarabic'] = 0x0666; + t['sixbengali'] = 0x09EC; + t['sixcircle'] = 0x2465; + t['sixcircleinversesansserif'] = 0x278F; + t['sixdeva'] = 0x096C; + t['sixgujarati'] = 0x0AEC; + t['sixgurmukhi'] = 0x0A6C; + t['sixhackarabic'] = 0x0666; + t['sixhangzhou'] = 0x3026; + t['sixideographicparen'] = 0x3225; + t['sixinferior'] = 0x2086; + t['sixmonospace'] = 0xFF16; + t['sixoldstyle'] = 0xF736; + t['sixparen'] = 0x2479; + t['sixperiod'] = 0x248D; + t['sixpersian'] = 0x06F6; + t['sixroman'] = 0x2175; + t['sixsuperior'] = 0x2076; + t['sixteencircle'] = 0x246F; + t['sixteencurrencydenominatorbengali'] = 0x09F9; + t['sixteenparen'] = 0x2483; + t['sixteenperiod'] = 0x2497; + t['sixthai'] = 0x0E56; + t['slash'] = 0x002F; + t['slashmonospace'] = 0xFF0F; + t['slong'] = 0x017F; + t['slongdotaccent'] = 0x1E9B; + t['smileface'] = 0x263A; + t['smonospace'] = 0xFF53; + t['sofpasuqhebrew'] = 0x05C3; + t['softhyphen'] = 0x00AD; + t['softsigncyrillic'] = 0x044C; + t['sohiragana'] = 0x305D; + t['sokatakana'] = 0x30BD; + t['sokatakanahalfwidth'] = 0xFF7F; + t['soliduslongoverlaycmb'] = 0x0338; + t['solidusshortoverlaycmb'] = 0x0337; + t['sorusithai'] = 0x0E29; + t['sosalathai'] = 0x0E28; + t['sosothai'] = 0x0E0B; + t['sosuathai'] = 0x0E2A; + t['space'] = 0x0020; + t['spacehackarabic'] = 0x0020; + t['spade'] = 0x2660; + t['spadesuitblack'] = 0x2660; + t['spadesuitwhite'] = 0x2664; + t['sparen'] = 0x24AE; + t['squarebelowcmb'] = 0x033B; + t['squarecc'] = 0x33C4; + t['squarecm'] = 0x339D; + t['squarediagonalcrosshatchfill'] = 0x25A9; + t['squarehorizontalfill'] = 0x25A4; + t['squarekg'] = 0x338F; + t['squarekm'] = 0x339E; + t['squarekmcapital'] = 0x33CE; + t['squareln'] = 0x33D1; + t['squarelog'] = 0x33D2; + t['squaremg'] = 0x338E; + t['squaremil'] = 0x33D5; + t['squaremm'] = 0x339C; + t['squaremsquared'] = 0x33A1; + t['squareorthogonalcrosshatchfill'] = 0x25A6; + t['squareupperlefttolowerrightfill'] = 0x25A7; + t['squareupperrighttolowerleftfill'] = 0x25A8; + t['squareverticalfill'] = 0x25A5; + t['squarewhitewithsmallblack'] = 0x25A3; + t['srsquare'] = 0x33DB; + t['ssabengali'] = 0x09B7; + t['ssadeva'] = 0x0937; + t['ssagujarati'] = 0x0AB7; + t['ssangcieuckorean'] = 0x3149; + t['ssanghieuhkorean'] = 0x3185; + t['ssangieungkorean'] = 0x3180; + t['ssangkiyeokkorean'] = 0x3132; + t['ssangnieunkorean'] = 0x3165; + t['ssangpieupkorean'] = 0x3143; + t['ssangsioskorean'] = 0x3146; + t['ssangtikeutkorean'] = 0x3138; + t['ssuperior'] = 0xF6F2; + t['sterling'] = 0x00A3; + t['sterlingmonospace'] = 0xFFE1; + t['strokelongoverlaycmb'] = 0x0336; + t['strokeshortoverlaycmb'] = 0x0335; + t['subset'] = 0x2282; + t['subsetnotequal'] = 0x228A; + t['subsetorequal'] = 0x2286; + t['succeeds'] = 0x227B; + t['suchthat'] = 0x220B; + t['suhiragana'] = 0x3059; + t['sukatakana'] = 0x30B9; + t['sukatakanahalfwidth'] = 0xFF7D; + t['sukunarabic'] = 0x0652; + t['summation'] = 0x2211; + t['sun'] = 0x263C; + t['superset'] = 0x2283; + t['supersetnotequal'] = 0x228B; + t['supersetorequal'] = 0x2287; + t['svsquare'] = 0x33DC; + t['syouwaerasquare'] = 0x337C; + t['t'] = 0x0074; + t['tabengali'] = 0x09A4; + t['tackdown'] = 0x22A4; + t['tackleft'] = 0x22A3; + t['tadeva'] = 0x0924; + t['tagujarati'] = 0x0AA4; + t['tagurmukhi'] = 0x0A24; + t['taharabic'] = 0x0637; + t['tahfinalarabic'] = 0xFEC2; + t['tahinitialarabic'] = 0xFEC3; + t['tahiragana'] = 0x305F; + t['tahmedialarabic'] = 0xFEC4; + t['taisyouerasquare'] = 0x337D; + t['takatakana'] = 0x30BF; + t['takatakanahalfwidth'] = 0xFF80; + t['tatweelarabic'] = 0x0640; + t['tau'] = 0x03C4; + t['tav'] = 0x05EA; + t['tavdages'] = 0xFB4A; + t['tavdagesh'] = 0xFB4A; + t['tavdageshhebrew'] = 0xFB4A; + t['tavhebrew'] = 0x05EA; + t['tbar'] = 0x0167; + t['tbopomofo'] = 0x310A; + t['tcaron'] = 0x0165; + t['tccurl'] = 0x02A8; + t['tcedilla'] = 0x0163; + t['tcheharabic'] = 0x0686; + t['tchehfinalarabic'] = 0xFB7B; + t['tchehinitialarabic'] = 0xFB7C; + t['tchehmedialarabic'] = 0xFB7D; + t['tcircle'] = 0x24E3; + t['tcircumflexbelow'] = 0x1E71; + t['tcommaaccent'] = 0x0163; + t['tdieresis'] = 0x1E97; + t['tdotaccent'] = 0x1E6B; + t['tdotbelow'] = 0x1E6D; + t['tecyrillic'] = 0x0442; + t['tedescendercyrillic'] = 0x04AD; + t['teharabic'] = 0x062A; + t['tehfinalarabic'] = 0xFE96; + t['tehhahinitialarabic'] = 0xFCA2; + t['tehhahisolatedarabic'] = 0xFC0C; + t['tehinitialarabic'] = 0xFE97; + t['tehiragana'] = 0x3066; + t['tehjeeminitialarabic'] = 0xFCA1; + t['tehjeemisolatedarabic'] = 0xFC0B; + t['tehmarbutaarabic'] = 0x0629; + t['tehmarbutafinalarabic'] = 0xFE94; + t['tehmedialarabic'] = 0xFE98; + t['tehmeeminitialarabic'] = 0xFCA4; + t['tehmeemisolatedarabic'] = 0xFC0E; + t['tehnoonfinalarabic'] = 0xFC73; + t['tekatakana'] = 0x30C6; + t['tekatakanahalfwidth'] = 0xFF83; + t['telephone'] = 0x2121; + t['telephoneblack'] = 0x260E; + t['telishagedolahebrew'] = 0x05A0; + t['telishaqetanahebrew'] = 0x05A9; + t['tencircle'] = 0x2469; + t['tenideographicparen'] = 0x3229; + t['tenparen'] = 0x247D; + t['tenperiod'] = 0x2491; + t['tenroman'] = 0x2179; + t['tesh'] = 0x02A7; + t['tet'] = 0x05D8; + t['tetdagesh'] = 0xFB38; + t['tetdageshhebrew'] = 0xFB38; + t['tethebrew'] = 0x05D8; + t['tetsecyrillic'] = 0x04B5; + t['tevirhebrew'] = 0x059B; + t['tevirlefthebrew'] = 0x059B; + t['thabengali'] = 0x09A5; + t['thadeva'] = 0x0925; + t['thagujarati'] = 0x0AA5; + t['thagurmukhi'] = 0x0A25; + t['thalarabic'] = 0x0630; + t['thalfinalarabic'] = 0xFEAC; + t['thanthakhatlowleftthai'] = 0xF898; + t['thanthakhatlowrightthai'] = 0xF897; + t['thanthakhatthai'] = 0x0E4C; + t['thanthakhatupperleftthai'] = 0xF896; + t['theharabic'] = 0x062B; + t['thehfinalarabic'] = 0xFE9A; + t['thehinitialarabic'] = 0xFE9B; + t['thehmedialarabic'] = 0xFE9C; + t['thereexists'] = 0x2203; + t['therefore'] = 0x2234; + t['theta'] = 0x03B8; + t['theta1'] = 0x03D1; + t['thetasymbolgreek'] = 0x03D1; + t['thieuthacirclekorean'] = 0x3279; + t['thieuthaparenkorean'] = 0x3219; + t['thieuthcirclekorean'] = 0x326B; + t['thieuthkorean'] = 0x314C; + t['thieuthparenkorean'] = 0x320B; + t['thirteencircle'] = 0x246C; + t['thirteenparen'] = 0x2480; + t['thirteenperiod'] = 0x2494; + t['thonangmonthothai'] = 0x0E11; + t['thook'] = 0x01AD; + t['thophuthaothai'] = 0x0E12; + t['thorn'] = 0x00FE; + t['thothahanthai'] = 0x0E17; + t['thothanthai'] = 0x0E10; + t['thothongthai'] = 0x0E18; + t['thothungthai'] = 0x0E16; + t['thousandcyrillic'] = 0x0482; + t['thousandsseparatorarabic'] = 0x066C; + t['thousandsseparatorpersian'] = 0x066C; + t['three'] = 0x0033; + t['threearabic'] = 0x0663; + t['threebengali'] = 0x09E9; + t['threecircle'] = 0x2462; + t['threecircleinversesansserif'] = 0x278C; + t['threedeva'] = 0x0969; + t['threeeighths'] = 0x215C; + t['threegujarati'] = 0x0AE9; + t['threegurmukhi'] = 0x0A69; + t['threehackarabic'] = 0x0663; + t['threehangzhou'] = 0x3023; + t['threeideographicparen'] = 0x3222; + t['threeinferior'] = 0x2083; + t['threemonospace'] = 0xFF13; + t['threenumeratorbengali'] = 0x09F6; + t['threeoldstyle'] = 0xF733; + t['threeparen'] = 0x2476; + t['threeperiod'] = 0x248A; + t['threepersian'] = 0x06F3; + t['threequarters'] = 0x00BE; + t['threequartersemdash'] = 0xF6DE; + t['threeroman'] = 0x2172; + t['threesuperior'] = 0x00B3; + t['threethai'] = 0x0E53; + t['thzsquare'] = 0x3394; + t['tihiragana'] = 0x3061; + t['tikatakana'] = 0x30C1; + t['tikatakanahalfwidth'] = 0xFF81; + t['tikeutacirclekorean'] = 0x3270; + t['tikeutaparenkorean'] = 0x3210; + t['tikeutcirclekorean'] = 0x3262; + t['tikeutkorean'] = 0x3137; + t['tikeutparenkorean'] = 0x3202; + t['tilde'] = 0x02DC; + t['tildebelowcmb'] = 0x0330; + t['tildecmb'] = 0x0303; + t['tildecomb'] = 0x0303; + t['tildedoublecmb'] = 0x0360; + t['tildeoperator'] = 0x223C; + t['tildeoverlaycmb'] = 0x0334; + t['tildeverticalcmb'] = 0x033E; + t['timescircle'] = 0x2297; + t['tipehahebrew'] = 0x0596; + t['tipehalefthebrew'] = 0x0596; + t['tippigurmukhi'] = 0x0A70; + t['titlocyrilliccmb'] = 0x0483; + t['tiwnarmenian'] = 0x057F; + t['tlinebelow'] = 0x1E6F; + t['tmonospace'] = 0xFF54; + t['toarmenian'] = 0x0569; + t['tohiragana'] = 0x3068; + t['tokatakana'] = 0x30C8; + t['tokatakanahalfwidth'] = 0xFF84; + t['tonebarextrahighmod'] = 0x02E5; + t['tonebarextralowmod'] = 0x02E9; + t['tonebarhighmod'] = 0x02E6; + t['tonebarlowmod'] = 0x02E8; + t['tonebarmidmod'] = 0x02E7; + t['tonefive'] = 0x01BD; + t['tonesix'] = 0x0185; + t['tonetwo'] = 0x01A8; + t['tonos'] = 0x0384; + t['tonsquare'] = 0x3327; + t['topatakthai'] = 0x0E0F; + t['tortoiseshellbracketleft'] = 0x3014; + t['tortoiseshellbracketleftsmall'] = 0xFE5D; + t['tortoiseshellbracketleftvertical'] = 0xFE39; + t['tortoiseshellbracketright'] = 0x3015; + t['tortoiseshellbracketrightsmall'] = 0xFE5E; + t['tortoiseshellbracketrightvertical'] = 0xFE3A; + t['totaothai'] = 0x0E15; + t['tpalatalhook'] = 0x01AB; + t['tparen'] = 0x24AF; + t['trademark'] = 0x2122; + t['trademarksans'] = 0xF8EA; + t['trademarkserif'] = 0xF6DB; + t['tretroflexhook'] = 0x0288; + t['triagdn'] = 0x25BC; + t['triaglf'] = 0x25C4; + t['triagrt'] = 0x25BA; + t['triagup'] = 0x25B2; + t['ts'] = 0x02A6; + t['tsadi'] = 0x05E6; + t['tsadidagesh'] = 0xFB46; + t['tsadidageshhebrew'] = 0xFB46; + t['tsadihebrew'] = 0x05E6; + t['tsecyrillic'] = 0x0446; + t['tsere'] = 0x05B5; + t['tsere12'] = 0x05B5; + t['tsere1e'] = 0x05B5; + t['tsere2b'] = 0x05B5; + t['tserehebrew'] = 0x05B5; + t['tserenarrowhebrew'] = 0x05B5; + t['tserequarterhebrew'] = 0x05B5; + t['tserewidehebrew'] = 0x05B5; + t['tshecyrillic'] = 0x045B; + t['tsuperior'] = 0xF6F3; + t['ttabengali'] = 0x099F; + t['ttadeva'] = 0x091F; + t['ttagujarati'] = 0x0A9F; + t['ttagurmukhi'] = 0x0A1F; + t['tteharabic'] = 0x0679; + t['ttehfinalarabic'] = 0xFB67; + t['ttehinitialarabic'] = 0xFB68; + t['ttehmedialarabic'] = 0xFB69; + t['tthabengali'] = 0x09A0; + t['tthadeva'] = 0x0920; + t['tthagujarati'] = 0x0AA0; + t['tthagurmukhi'] = 0x0A20; + t['tturned'] = 0x0287; + t['tuhiragana'] = 0x3064; + t['tukatakana'] = 0x30C4; + t['tukatakanahalfwidth'] = 0xFF82; + t['tusmallhiragana'] = 0x3063; + t['tusmallkatakana'] = 0x30C3; + t['tusmallkatakanahalfwidth'] = 0xFF6F; + t['twelvecircle'] = 0x246B; + t['twelveparen'] = 0x247F; + t['twelveperiod'] = 0x2493; + t['twelveroman'] = 0x217B; + t['twentycircle'] = 0x2473; + t['twentyhangzhou'] = 0x5344; + t['twentyparen'] = 0x2487; + t['twentyperiod'] = 0x249B; + t['two'] = 0x0032; + t['twoarabic'] = 0x0662; + t['twobengali'] = 0x09E8; + t['twocircle'] = 0x2461; + t['twocircleinversesansserif'] = 0x278B; + t['twodeva'] = 0x0968; + t['twodotenleader'] = 0x2025; + t['twodotleader'] = 0x2025; + t['twodotleadervertical'] = 0xFE30; + t['twogujarati'] = 0x0AE8; + t['twogurmukhi'] = 0x0A68; + t['twohackarabic'] = 0x0662; + t['twohangzhou'] = 0x3022; + t['twoideographicparen'] = 0x3221; + t['twoinferior'] = 0x2082; + t['twomonospace'] = 0xFF12; + t['twonumeratorbengali'] = 0x09F5; + t['twooldstyle'] = 0xF732; + t['twoparen'] = 0x2475; + t['twoperiod'] = 0x2489; + t['twopersian'] = 0x06F2; + t['tworoman'] = 0x2171; + t['twostroke'] = 0x01BB; + t['twosuperior'] = 0x00B2; + t['twothai'] = 0x0E52; + t['twothirds'] = 0x2154; + t['u'] = 0x0075; + t['uacute'] = 0x00FA; + t['ubar'] = 0x0289; + t['ubengali'] = 0x0989; + t['ubopomofo'] = 0x3128; + t['ubreve'] = 0x016D; + t['ucaron'] = 0x01D4; + t['ucircle'] = 0x24E4; + t['ucircumflex'] = 0x00FB; + t['ucircumflexbelow'] = 0x1E77; + t['ucyrillic'] = 0x0443; + t['udattadeva'] = 0x0951; + t['udblacute'] = 0x0171; + t['udblgrave'] = 0x0215; + t['udeva'] = 0x0909; + t['udieresis'] = 0x00FC; + t['udieresisacute'] = 0x01D8; + t['udieresisbelow'] = 0x1E73; + t['udieresiscaron'] = 0x01DA; + t['udieresiscyrillic'] = 0x04F1; + t['udieresisgrave'] = 0x01DC; + t['udieresismacron'] = 0x01D6; + t['udotbelow'] = 0x1EE5; + t['ugrave'] = 0x00F9; + t['ugujarati'] = 0x0A89; + t['ugurmukhi'] = 0x0A09; + t['uhiragana'] = 0x3046; + t['uhookabove'] = 0x1EE7; + t['uhorn'] = 0x01B0; + t['uhornacute'] = 0x1EE9; + t['uhorndotbelow'] = 0x1EF1; + t['uhorngrave'] = 0x1EEB; + t['uhornhookabove'] = 0x1EED; + t['uhorntilde'] = 0x1EEF; + t['uhungarumlaut'] = 0x0171; + t['uhungarumlautcyrillic'] = 0x04F3; + t['uinvertedbreve'] = 0x0217; + t['ukatakana'] = 0x30A6; + t['ukatakanahalfwidth'] = 0xFF73; + t['ukcyrillic'] = 0x0479; + t['ukorean'] = 0x315C; + t['umacron'] = 0x016B; + t['umacroncyrillic'] = 0x04EF; + t['umacrondieresis'] = 0x1E7B; + t['umatragurmukhi'] = 0x0A41; + t['umonospace'] = 0xFF55; + t['underscore'] = 0x005F; + t['underscoredbl'] = 0x2017; + t['underscoremonospace'] = 0xFF3F; + t['underscorevertical'] = 0xFE33; + t['underscorewavy'] = 0xFE4F; + t['union'] = 0x222A; + t['universal'] = 0x2200; + t['uogonek'] = 0x0173; + t['uparen'] = 0x24B0; + t['upblock'] = 0x2580; + t['upperdothebrew'] = 0x05C4; + t['upsilon'] = 0x03C5; + t['upsilondieresis'] = 0x03CB; + t['upsilondieresistonos'] = 0x03B0; + t['upsilonlatin'] = 0x028A; + t['upsilontonos'] = 0x03CD; + t['uptackbelowcmb'] = 0x031D; + t['uptackmod'] = 0x02D4; + t['uragurmukhi'] = 0x0A73; + t['uring'] = 0x016F; + t['ushortcyrillic'] = 0x045E; + t['usmallhiragana'] = 0x3045; + t['usmallkatakana'] = 0x30A5; + t['usmallkatakanahalfwidth'] = 0xFF69; + t['ustraightcyrillic'] = 0x04AF; + t['ustraightstrokecyrillic'] = 0x04B1; + t['utilde'] = 0x0169; + t['utildeacute'] = 0x1E79; + t['utildebelow'] = 0x1E75; + t['uubengali'] = 0x098A; + t['uudeva'] = 0x090A; + t['uugujarati'] = 0x0A8A; + t['uugurmukhi'] = 0x0A0A; + t['uumatragurmukhi'] = 0x0A42; + t['uuvowelsignbengali'] = 0x09C2; + t['uuvowelsigndeva'] = 0x0942; + t['uuvowelsigngujarati'] = 0x0AC2; + t['uvowelsignbengali'] = 0x09C1; + t['uvowelsigndeva'] = 0x0941; + t['uvowelsigngujarati'] = 0x0AC1; + t['v'] = 0x0076; + t['vadeva'] = 0x0935; + t['vagujarati'] = 0x0AB5; + t['vagurmukhi'] = 0x0A35; + t['vakatakana'] = 0x30F7; + t['vav'] = 0x05D5; + t['vavdagesh'] = 0xFB35; + t['vavdagesh65'] = 0xFB35; + t['vavdageshhebrew'] = 0xFB35; + t['vavhebrew'] = 0x05D5; + t['vavholam'] = 0xFB4B; + t['vavholamhebrew'] = 0xFB4B; + t['vavvavhebrew'] = 0x05F0; + t['vavyodhebrew'] = 0x05F1; + t['vcircle'] = 0x24E5; + t['vdotbelow'] = 0x1E7F; + t['vecyrillic'] = 0x0432; + t['veharabic'] = 0x06A4; + t['vehfinalarabic'] = 0xFB6B; + t['vehinitialarabic'] = 0xFB6C; + t['vehmedialarabic'] = 0xFB6D; + t['vekatakana'] = 0x30F9; + t['venus'] = 0x2640; + t['verticalbar'] = 0x007C; + t['verticallineabovecmb'] = 0x030D; + t['verticallinebelowcmb'] = 0x0329; + t['verticallinelowmod'] = 0x02CC; + t['verticallinemod'] = 0x02C8; + t['vewarmenian'] = 0x057E; + t['vhook'] = 0x028B; + t['vikatakana'] = 0x30F8; + t['viramabengali'] = 0x09CD; + t['viramadeva'] = 0x094D; + t['viramagujarati'] = 0x0ACD; + t['visargabengali'] = 0x0983; + t['visargadeva'] = 0x0903; + t['visargagujarati'] = 0x0A83; + t['vmonospace'] = 0xFF56; + t['voarmenian'] = 0x0578; + t['voicediterationhiragana'] = 0x309E; + t['voicediterationkatakana'] = 0x30FE; + t['voicedmarkkana'] = 0x309B; + t['voicedmarkkanahalfwidth'] = 0xFF9E; + t['vokatakana'] = 0x30FA; + t['vparen'] = 0x24B1; + t['vtilde'] = 0x1E7D; + t['vturned'] = 0x028C; + t['vuhiragana'] = 0x3094; + t['vukatakana'] = 0x30F4; + t['w'] = 0x0077; + t['wacute'] = 0x1E83; + t['waekorean'] = 0x3159; + t['wahiragana'] = 0x308F; + t['wakatakana'] = 0x30EF; + t['wakatakanahalfwidth'] = 0xFF9C; + t['wakorean'] = 0x3158; + t['wasmallhiragana'] = 0x308E; + t['wasmallkatakana'] = 0x30EE; + t['wattosquare'] = 0x3357; + t['wavedash'] = 0x301C; + t['wavyunderscorevertical'] = 0xFE34; + t['wawarabic'] = 0x0648; + t['wawfinalarabic'] = 0xFEEE; + t['wawhamzaabovearabic'] = 0x0624; + t['wawhamzaabovefinalarabic'] = 0xFE86; + t['wbsquare'] = 0x33DD; + t['wcircle'] = 0x24E6; + t['wcircumflex'] = 0x0175; + t['wdieresis'] = 0x1E85; + t['wdotaccent'] = 0x1E87; + t['wdotbelow'] = 0x1E89; + t['wehiragana'] = 0x3091; + t['weierstrass'] = 0x2118; + t['wekatakana'] = 0x30F1; + t['wekorean'] = 0x315E; + t['weokorean'] = 0x315D; + t['wgrave'] = 0x1E81; + t['whitebullet'] = 0x25E6; + t['whitecircle'] = 0x25CB; + t['whitecircleinverse'] = 0x25D9; + t['whitecornerbracketleft'] = 0x300E; + t['whitecornerbracketleftvertical'] = 0xFE43; + t['whitecornerbracketright'] = 0x300F; + t['whitecornerbracketrightvertical'] = 0xFE44; + t['whitediamond'] = 0x25C7; + t['whitediamondcontainingblacksmalldiamond'] = 0x25C8; + t['whitedownpointingsmalltriangle'] = 0x25BF; + t['whitedownpointingtriangle'] = 0x25BD; + t['whiteleftpointingsmalltriangle'] = 0x25C3; + t['whiteleftpointingtriangle'] = 0x25C1; + t['whitelenticularbracketleft'] = 0x3016; + t['whitelenticularbracketright'] = 0x3017; + t['whiterightpointingsmalltriangle'] = 0x25B9; + t['whiterightpointingtriangle'] = 0x25B7; + t['whitesmallsquare'] = 0x25AB; + t['whitesmilingface'] = 0x263A; + t['whitesquare'] = 0x25A1; + t['whitestar'] = 0x2606; + t['whitetelephone'] = 0x260F; + t['whitetortoiseshellbracketleft'] = 0x3018; + t['whitetortoiseshellbracketright'] = 0x3019; + t['whiteuppointingsmalltriangle'] = 0x25B5; + t['whiteuppointingtriangle'] = 0x25B3; + t['wihiragana'] = 0x3090; + t['wikatakana'] = 0x30F0; + t['wikorean'] = 0x315F; + t['wmonospace'] = 0xFF57; + t['wohiragana'] = 0x3092; + t['wokatakana'] = 0x30F2; + t['wokatakanahalfwidth'] = 0xFF66; + t['won'] = 0x20A9; + t['wonmonospace'] = 0xFFE6; + t['wowaenthai'] = 0x0E27; + t['wparen'] = 0x24B2; + t['wring'] = 0x1E98; + t['wsuperior'] = 0x02B7; + t['wturned'] = 0x028D; + t['wynn'] = 0x01BF; + t['x'] = 0x0078; + t['xabovecmb'] = 0x033D; + t['xbopomofo'] = 0x3112; + t['xcircle'] = 0x24E7; + t['xdieresis'] = 0x1E8D; + t['xdotaccent'] = 0x1E8B; + t['xeharmenian'] = 0x056D; + t['xi'] = 0x03BE; + t['xmonospace'] = 0xFF58; + t['xparen'] = 0x24B3; + t['xsuperior'] = 0x02E3; + t['y'] = 0x0079; + t['yaadosquare'] = 0x334E; + t['yabengali'] = 0x09AF; + t['yacute'] = 0x00FD; + t['yadeva'] = 0x092F; + t['yaekorean'] = 0x3152; + t['yagujarati'] = 0x0AAF; + t['yagurmukhi'] = 0x0A2F; + t['yahiragana'] = 0x3084; + t['yakatakana'] = 0x30E4; + t['yakatakanahalfwidth'] = 0xFF94; + t['yakorean'] = 0x3151; + t['yamakkanthai'] = 0x0E4E; + t['yasmallhiragana'] = 0x3083; + t['yasmallkatakana'] = 0x30E3; + t['yasmallkatakanahalfwidth'] = 0xFF6C; + t['yatcyrillic'] = 0x0463; + t['ycircle'] = 0x24E8; + t['ycircumflex'] = 0x0177; + t['ydieresis'] = 0x00FF; + t['ydotaccent'] = 0x1E8F; + t['ydotbelow'] = 0x1EF5; + t['yeharabic'] = 0x064A; + t['yehbarreearabic'] = 0x06D2; + t['yehbarreefinalarabic'] = 0xFBAF; + t['yehfinalarabic'] = 0xFEF2; + t['yehhamzaabovearabic'] = 0x0626; + t['yehhamzaabovefinalarabic'] = 0xFE8A; + t['yehhamzaaboveinitialarabic'] = 0xFE8B; + t['yehhamzaabovemedialarabic'] = 0xFE8C; + t['yehinitialarabic'] = 0xFEF3; + t['yehmedialarabic'] = 0xFEF4; + t['yehmeeminitialarabic'] = 0xFCDD; + t['yehmeemisolatedarabic'] = 0xFC58; + t['yehnoonfinalarabic'] = 0xFC94; + t['yehthreedotsbelowarabic'] = 0x06D1; + t['yekorean'] = 0x3156; + t['yen'] = 0x00A5; + t['yenmonospace'] = 0xFFE5; + t['yeokorean'] = 0x3155; + t['yeorinhieuhkorean'] = 0x3186; + t['yerahbenyomohebrew'] = 0x05AA; + t['yerahbenyomolefthebrew'] = 0x05AA; + t['yericyrillic'] = 0x044B; + t['yerudieresiscyrillic'] = 0x04F9; + t['yesieungkorean'] = 0x3181; + t['yesieungpansioskorean'] = 0x3183; + t['yesieungsioskorean'] = 0x3182; + t['yetivhebrew'] = 0x059A; + t['ygrave'] = 0x1EF3; + t['yhook'] = 0x01B4; + t['yhookabove'] = 0x1EF7; + t['yiarmenian'] = 0x0575; + t['yicyrillic'] = 0x0457; + t['yikorean'] = 0x3162; + t['yinyang'] = 0x262F; + t['yiwnarmenian'] = 0x0582; + t['ymonospace'] = 0xFF59; + t['yod'] = 0x05D9; + t['yoddagesh'] = 0xFB39; + t['yoddageshhebrew'] = 0xFB39; + t['yodhebrew'] = 0x05D9; + t['yodyodhebrew'] = 0x05F2; + t['yodyodpatahhebrew'] = 0xFB1F; + t['yohiragana'] = 0x3088; + t['yoikorean'] = 0x3189; + t['yokatakana'] = 0x30E8; + t['yokatakanahalfwidth'] = 0xFF96; + t['yokorean'] = 0x315B; + t['yosmallhiragana'] = 0x3087; + t['yosmallkatakana'] = 0x30E7; + t['yosmallkatakanahalfwidth'] = 0xFF6E; + t['yotgreek'] = 0x03F3; + t['yoyaekorean'] = 0x3188; + t['yoyakorean'] = 0x3187; + t['yoyakthai'] = 0x0E22; + t['yoyingthai'] = 0x0E0D; + t['yparen'] = 0x24B4; + t['ypogegrammeni'] = 0x037A; + t['ypogegrammenigreekcmb'] = 0x0345; + t['yr'] = 0x01A6; + t['yring'] = 0x1E99; + t['ysuperior'] = 0x02B8; + t['ytilde'] = 0x1EF9; + t['yturned'] = 0x028E; + t['yuhiragana'] = 0x3086; + t['yuikorean'] = 0x318C; + t['yukatakana'] = 0x30E6; + t['yukatakanahalfwidth'] = 0xFF95; + t['yukorean'] = 0x3160; + t['yusbigcyrillic'] = 0x046B; + t['yusbigiotifiedcyrillic'] = 0x046D; + t['yuslittlecyrillic'] = 0x0467; + t['yuslittleiotifiedcyrillic'] = 0x0469; + t['yusmallhiragana'] = 0x3085; + t['yusmallkatakana'] = 0x30E5; + t['yusmallkatakanahalfwidth'] = 0xFF6D; + t['yuyekorean'] = 0x318B; + t['yuyeokorean'] = 0x318A; + t['yyabengali'] = 0x09DF; + t['yyadeva'] = 0x095F; + t['z'] = 0x007A; + t['zaarmenian'] = 0x0566; + t['zacute'] = 0x017A; + t['zadeva'] = 0x095B; + t['zagurmukhi'] = 0x0A5B; + t['zaharabic'] = 0x0638; + t['zahfinalarabic'] = 0xFEC6; + t['zahinitialarabic'] = 0xFEC7; + t['zahiragana'] = 0x3056; + t['zahmedialarabic'] = 0xFEC8; + t['zainarabic'] = 0x0632; + t['zainfinalarabic'] = 0xFEB0; + t['zakatakana'] = 0x30B6; + t['zaqefgadolhebrew'] = 0x0595; + t['zaqefqatanhebrew'] = 0x0594; + t['zarqahebrew'] = 0x0598; + t['zayin'] = 0x05D6; + t['zayindagesh'] = 0xFB36; + t['zayindageshhebrew'] = 0xFB36; + t['zayinhebrew'] = 0x05D6; + t['zbopomofo'] = 0x3117; + t['zcaron'] = 0x017E; + t['zcircle'] = 0x24E9; + t['zcircumflex'] = 0x1E91; + t['zcurl'] = 0x0291; + t['zdot'] = 0x017C; + t['zdotaccent'] = 0x017C; + t['zdotbelow'] = 0x1E93; + t['zecyrillic'] = 0x0437; + t['zedescendercyrillic'] = 0x0499; + t['zedieresiscyrillic'] = 0x04DF; + t['zehiragana'] = 0x305C; + t['zekatakana'] = 0x30BC; + t['zero'] = 0x0030; + t['zeroarabic'] = 0x0660; + t['zerobengali'] = 0x09E6; + t['zerodeva'] = 0x0966; + t['zerogujarati'] = 0x0AE6; + t['zerogurmukhi'] = 0x0A66; + t['zerohackarabic'] = 0x0660; + t['zeroinferior'] = 0x2080; + t['zeromonospace'] = 0xFF10; + t['zerooldstyle'] = 0xF730; + t['zeropersian'] = 0x06F0; + t['zerosuperior'] = 0x2070; + t['zerothai'] = 0x0E50; + t['zerowidthjoiner'] = 0xFEFF; + t['zerowidthnonjoiner'] = 0x200C; + t['zerowidthspace'] = 0x200B; + t['zeta'] = 0x03B6; + t['zhbopomofo'] = 0x3113; + t['zhearmenian'] = 0x056A; + t['zhebrevecyrillic'] = 0x04C2; + t['zhecyrillic'] = 0x0436; + t['zhedescendercyrillic'] = 0x0497; + t['zhedieresiscyrillic'] = 0x04DD; + t['zihiragana'] = 0x3058; + t['zikatakana'] = 0x30B8; + t['zinorhebrew'] = 0x05AE; + t['zlinebelow'] = 0x1E95; + t['zmonospace'] = 0xFF5A; + t['zohiragana'] = 0x305E; + t['zokatakana'] = 0x30BE; + t['zparen'] = 0x24B5; + t['zretroflexhook'] = 0x0290; + t['zstroke'] = 0x01B6; + t['zuhiragana'] = 0x305A; + t['zukatakana'] = 0x30BA; + t['.notdef'] = 0x0000; +}); + +var getDingbatsGlyphsUnicode = getLookupTableFactory(function (t) { + t['space'] = 0x0020; + t['a1'] = 0x2701; + t['a2'] = 0x2702; + t['a202'] = 0x2703; + t['a3'] = 0x2704; + t['a4'] = 0x260E; + t['a5'] = 0x2706; + t['a119'] = 0x2707; + t['a118'] = 0x2708; + t['a117'] = 0x2709; + t['a11'] = 0x261B; + t['a12'] = 0x261E; + t['a13'] = 0x270C; + t['a14'] = 0x270D; + t['a15'] = 0x270E; + t['a16'] = 0x270F; + t['a105'] = 0x2710; + t['a17'] = 0x2711; + t['a18'] = 0x2712; + t['a19'] = 0x2713; + t['a20'] = 0x2714; + t['a21'] = 0x2715; + t['a22'] = 0x2716; + t['a23'] = 0x2717; + t['a24'] = 0x2718; + t['a25'] = 0x2719; + t['a26'] = 0x271A; + t['a27'] = 0x271B; + t['a28'] = 0x271C; + t['a6'] = 0x271D; + t['a7'] = 0x271E; + t['a8'] = 0x271F; + t['a9'] = 0x2720; + t['a10'] = 0x2721; + t['a29'] = 0x2722; + t['a30'] = 0x2723; + t['a31'] = 0x2724; + t['a32'] = 0x2725; + t['a33'] = 0x2726; + t['a34'] = 0x2727; + t['a35'] = 0x2605; + t['a36'] = 0x2729; + t['a37'] = 0x272A; + t['a38'] = 0x272B; + t['a39'] = 0x272C; + t['a40'] = 0x272D; + t['a41'] = 0x272E; + t['a42'] = 0x272F; + t['a43'] = 0x2730; + t['a44'] = 0x2731; + t['a45'] = 0x2732; + t['a46'] = 0x2733; + t['a47'] = 0x2734; + t['a48'] = 0x2735; + t['a49'] = 0x2736; + t['a50'] = 0x2737; + t['a51'] = 0x2738; + t['a52'] = 0x2739; + t['a53'] = 0x273A; + t['a54'] = 0x273B; + t['a55'] = 0x273C; + t['a56'] = 0x273D; + t['a57'] = 0x273E; + t['a58'] = 0x273F; + t['a59'] = 0x2740; + t['a60'] = 0x2741; + t['a61'] = 0x2742; + t['a62'] = 0x2743; + t['a63'] = 0x2744; + t['a64'] = 0x2745; + t['a65'] = 0x2746; + t['a66'] = 0x2747; + t['a67'] = 0x2748; + t['a68'] = 0x2749; + t['a69'] = 0x274A; + t['a70'] = 0x274B; + t['a71'] = 0x25CF; + t['a72'] = 0x274D; + t['a73'] = 0x25A0; + t['a74'] = 0x274F; + t['a203'] = 0x2750; + t['a75'] = 0x2751; + t['a204'] = 0x2752; + t['a76'] = 0x25B2; + t['a77'] = 0x25BC; + t['a78'] = 0x25C6; + t['a79'] = 0x2756; + t['a81'] = 0x25D7; + t['a82'] = 0x2758; + t['a83'] = 0x2759; + t['a84'] = 0x275A; + t['a97'] = 0x275B; + t['a98'] = 0x275C; + t['a99'] = 0x275D; + t['a100'] = 0x275E; + t['a101'] = 0x2761; + t['a102'] = 0x2762; + t['a103'] = 0x2763; + t['a104'] = 0x2764; + t['a106'] = 0x2765; + t['a107'] = 0x2766; + t['a108'] = 0x2767; + t['a112'] = 0x2663; + t['a111'] = 0x2666; + t['a110'] = 0x2665; + t['a109'] = 0x2660; + t['a120'] = 0x2460; + t['a121'] = 0x2461; + t['a122'] = 0x2462; + t['a123'] = 0x2463; + t['a124'] = 0x2464; + t['a125'] = 0x2465; + t['a126'] = 0x2466; + t['a127'] = 0x2467; + t['a128'] = 0x2468; + t['a129'] = 0x2469; + t['a130'] = 0x2776; + t['a131'] = 0x2777; + t['a132'] = 0x2778; + t['a133'] = 0x2779; + t['a134'] = 0x277A; + t['a135'] = 0x277B; + t['a136'] = 0x277C; + t['a137'] = 0x277D; + t['a138'] = 0x277E; + t['a139'] = 0x277F; + t['a140'] = 0x2780; + t['a141'] = 0x2781; + t['a142'] = 0x2782; + t['a143'] = 0x2783; + t['a144'] = 0x2784; + t['a145'] = 0x2785; + t['a146'] = 0x2786; + t['a147'] = 0x2787; + t['a148'] = 0x2788; + t['a149'] = 0x2789; + t['a150'] = 0x278A; + t['a151'] = 0x278B; + t['a152'] = 0x278C; + t['a153'] = 0x278D; + t['a154'] = 0x278E; + t['a155'] = 0x278F; + t['a156'] = 0x2790; + t['a157'] = 0x2791; + t['a158'] = 0x2792; + t['a159'] = 0x2793; + t['a160'] = 0x2794; + t['a161'] = 0x2192; + t['a163'] = 0x2194; + t['a164'] = 0x2195; + t['a196'] = 0x2798; + t['a165'] = 0x2799; + t['a192'] = 0x279A; + t['a166'] = 0x279B; + t['a167'] = 0x279C; + t['a168'] = 0x279D; + t['a169'] = 0x279E; + t['a170'] = 0x279F; + t['a171'] = 0x27A0; + t['a172'] = 0x27A1; + t['a173'] = 0x27A2; + t['a162'] = 0x27A3; + t['a174'] = 0x27A4; + t['a175'] = 0x27A5; + t['a176'] = 0x27A6; + t['a177'] = 0x27A7; + t['a178'] = 0x27A8; + t['a179'] = 0x27A9; + t['a193'] = 0x27AA; + t['a180'] = 0x27AB; + t['a199'] = 0x27AC; + t['a181'] = 0x27AD; + t['a200'] = 0x27AE; + t['a182'] = 0x27AF; + t['a201'] = 0x27B1; + t['a183'] = 0x27B2; + t['a184'] = 0x27B3; + t['a197'] = 0x27B4; + t['a185'] = 0x27B5; + t['a194'] = 0x27B6; + t['a198'] = 0x27B7; + t['a186'] = 0x27B8; + t['a195'] = 0x27B9; + t['a187'] = 0x27BA; + t['a188'] = 0x27BB; + t['a189'] = 0x27BC; + t['a190'] = 0x27BD; + t['a191'] = 0x27BE; + t['a89'] = 0x2768; // 0xF8D7 + t['a90'] = 0x2769; // 0xF8D8 + t['a93'] = 0x276A; // 0xF8D9 + t['a94'] = 0x276B; // 0xF8DA + t['a91'] = 0x276C; // 0xF8DB + t['a92'] = 0x276D; // 0xF8DC + t['a205'] = 0x276E; // 0xF8DD + t['a85'] = 0x276F; // 0xF8DE + t['a206'] = 0x2770; // 0xF8DF + t['a86'] = 0x2771; // 0xF8E0 + t['a87'] = 0x2772; // 0xF8E1 + t['a88'] = 0x2773; // 0xF8E2 + t['a95'] = 0x2774; // 0xF8E3 + t['a96'] = 0x2775; // 0xF8E4 + t['.notdef'] = 0x0000; +}); + +exports.getGlyphsUnicode = getGlyphsUnicode; +exports.getDingbatsGlyphsUnicode = getDingbatsGlyphsUnicode; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJbig2 = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var error = sharedUtil.error; +var log2 = sharedUtil.log2; +var readInt8 = sharedUtil.readInt8; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var shadow = sharedUtil.shadow; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var Jbig2Image = (function Jbig2ImageClosure() { + // Utility data structures + function ContextCache() {} + + ContextCache.prototype = { + getContexts: function(id) { + if (id in this) { + return this[id]; + } + return (this[id] = new Int8Array(1 << 16)); + } + }; + + function DecodingContext(data, start, end) { + this.data = data; + this.start = start; + this.end = end; + } + + DecodingContext.prototype = { + get decoder() { + var decoder = new ArithmeticDecoder(this.data, this.start, this.end); + return shadow(this, 'decoder', decoder); + }, + get contextCache() { + var cache = new ContextCache(); + return shadow(this, 'contextCache', cache); + } + }; + + // Annex A. Arithmetic Integer Decoding Procedure + // A.2 Procedure for decoding values + function decodeInteger(contextCache, procedure, decoder) { + var contexts = contextCache.getContexts(procedure); + var prev = 1; + + function readBits(length) { + var v = 0; + for (var i = 0; i < length; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev < 256 ? (prev << 1) | bit : + (((prev << 1) | bit) & 511) | 256); + v = (v << 1) | bit; + } + return v >>> 0; + } + + var sign = readBits(1); + var value = readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(1) ? + (readBits(32) + 4436) : + readBits(12) + 340) : + readBits(8) + 84) : + readBits(6) + 20) : + readBits(4) + 4) : + readBits(2); + return (sign === 0 ? value : (value > 0 ? -value : null)); + } + + // A.3 The IAID decoding procedure + function decodeIAID(contextCache, decoder, codeLength) { + var contexts = contextCache.getContexts('IAID'); + + var prev = 1; + for (var i = 0; i < codeLength; i++) { + var bit = decoder.readBit(contexts, prev); + prev = (prev << 1) | bit; + } + if (codeLength < 31) { + return prev & ((1 << codeLength) - 1); + } + return prev & 0x7FFFFFFF; + } + + // 7.3 Segment types + var SegmentTypes = [ + 'SymbolDictionary', null, null, null, 'IntermediateTextRegion', null, + 'ImmediateTextRegion', 'ImmediateLosslessTextRegion', null, null, null, + null, null, null, null, null, 'patternDictionary', null, null, null, + 'IntermediateHalftoneRegion', null, 'ImmediateHalftoneRegion', + 'ImmediateLosslessHalftoneRegion', null, null, null, null, null, null, null, + null, null, null, null, null, 'IntermediateGenericRegion', null, + 'ImmediateGenericRegion', 'ImmediateLosslessGenericRegion', + 'IntermediateGenericRefinementRegion', null, + 'ImmediateGenericRefinementRegion', + 'ImmediateLosslessGenericRefinementRegion', null, null, null, null, + 'PageInformation', 'EndOfPage', 'EndOfStripe', 'EndOfFile', 'Profiles', + 'Tables', null, null, null, null, null, null, null, null, + 'Extension' + ]; + + var CodingTemplates = [ + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1}, + {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: 2, y: -2}, + {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, + {x: 2, y: -1}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}], + [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1}, + {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -2, y: 0}, + {x: -1, y: 0}], + [{x: -3, y: -1}, {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1}, + {x: 1, y: -1}, {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}] + ]; + + var RefinementTemplates = [ + { + coding: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, + {x: 1, y: 0}, {x: -1, y: 1}, {x: 0, y: 1}, {x: 1, y: 1}] + }, + { + coding: [{x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}], + reference: [{x: 0, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, {x: 1, y: 0}, + {x: 0, y: 1}, {x: 1, y: 1}] + } + ]; + + // See 6.2.5.7 Decoding the bitmap. + var ReusedContexts = [ + 0x9B25, // 10011 0110010 0101 + 0x0795, // 0011 110010 101 + 0x00E5, // 001 11001 01 + 0x0195 // 011001 0101 + ]; + + var RefinementReusedContexts = [ + 0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference) + 0x0008 // '0000' + '001000' + ]; + + function decodeBitmapTemplate0(width, height, decodingContext) { + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; + + // ...ooooo.... + // ..ooooooo... Context template for current pixel (X) + // .ooooX...... (concatenate values of 'o'-pixels to get contextLabel) + var OLD_PIXEL_MASK = 0x7BF7; // 01111 0111111 0111 + + for (i = 0; i < height; i++) { + row = bitmap[i] = new Uint8Array(width); + row1 = (i < 1) ? row : bitmap[i - 1]; + row2 = (i < 2) ? row : bitmap[i - 2]; + + // At the beginning of each row: + // Fill contextLabel with pixels that are above/right of (X) + contextLabel = (row2[0] << 13) | (row2[1] << 12) | (row2[2] << 11) | + (row1[0] << 7) | (row1[1] << 6) | (row1[2] << 5) | + (row1[3] << 4); + + for (j = 0; j < width; j++) { + row[j] = pixel = decoder.readBit(contexts, contextLabel); + + // At each pixel: Clear contextLabel pixels that are shifted + // out of the context, then add new ones. + contextLabel = ((contextLabel & OLD_PIXEL_MASK) << 1) | + (j + 3 < width ? row2[j + 3] << 11 : 0) | + (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel; + } + } + + return bitmap; + } + + // 6.2 Generic Region Decoding Procedure + function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, + decodingContext) { + if (mmr) { + error('JBIG2 error: MMR encoding is not supported'); + } + + // Use optimized version for the most common case + if (templateIndex === 0 && !skip && !prediction && at.length === 4 && + at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && + at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) { + return decodeBitmapTemplate0(width, height, decodingContext); + } + + var useskip = !!skip; + var template = CodingTemplates[templateIndex].concat(at); + + // Sorting is non-standard, and it is not required. But sorting increases + // the number of template bits that can be reused from the previous + // contextLabel in the main loop. + template.sort(function (a, b) { + return (a.y - b.y) || (a.x - b.x); + }); + + var templateLength = template.length; + var templateX = new Int8Array(templateLength); + var templateY = new Int8Array(templateLength); + var changingTemplateEntries = []; + var reuseMask = 0, minX = 0, maxX = 0, minY = 0; + var c, k; + + for (k = 0; k < templateLength; k++) { + templateX[k] = template[k].x; + templateY[k] = template[k].y; + minX = Math.min(minX, template[k].x); + maxX = Math.max(maxX, template[k].x); + minY = Math.min(minY, template[k].y); + // Check if the template pixel appears in two consecutive context labels, + // so it can be reused. Otherwise, we add it to the list of changing + // template entries. + if (k < templateLength - 1 && + template[k].y === template[k + 1].y && + template[k].x === template[k + 1].x - 1) { + reuseMask |= 1 << (templateLength - 1 - k); + } else { + changingTemplateEntries.push(k); + } + } + var changingEntriesLength = changingTemplateEntries.length; + + var changingTemplateX = new Int8Array(changingEntriesLength); + var changingTemplateY = new Int8Array(changingEntriesLength); + var changingTemplateBit = new Uint16Array(changingEntriesLength); + for (c = 0; c < changingEntriesLength; c++) { + k = changingTemplateEntries[c]; + changingTemplateX[c] = template[k].x; + changingTemplateY[c] = template[k].y; + changingTemplateBit[c] = 1 << (templateLength - 1 - k); + } + + // Get the safe bounding box edges from the width, height, minX, maxX, minY + var sbb_left = -minX; + var sbb_top = -minY; + var sbb_right = width - maxX; + + var pseudoPixelContext = ReusedContexts[templateIndex]; + var row = new Uint8Array(width); + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GB'); + + var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + bitmap.push(row); // duplicate previous row + continue; + } + } + row = new Uint8Array(row); + bitmap.push(row); + for (j = 0; j < width; j++) { + if (useskip && skip[i][j]) { + row[j] = 0; + continue; + } + // Are we in the middle of a scanline, so we can reuse contextLabel + // bits? + if (j >= sbb_left && j < sbb_right && i >= sbb_top) { + // If yes, we can just shift the bits that are reusable and only + // fetch the remaining ones. + contextLabel = (contextLabel << 1) & reuseMask; + for (k = 0; k < changingEntriesLength; k++) { + i0 = i + changingTemplateY[k]; + j0 = j + changingTemplateX[k]; + bit = bitmap[i0][j0]; + if (bit) { + bit = changingTemplateBit[k]; + contextLabel |= bit; + } + } + } else { + // compute the contextLabel from scratch + contextLabel = 0; + shift = templateLength - 1; + for (k = 0; k < templateLength; k++, shift--) { + j0 = j + templateX[k]; + if (j0 >= 0 && j0 < width) { + i0 = i + templateY[k]; + if (i0 >= 0) { + bit = bitmap[i0][j0]; + if (bit) { + contextLabel |= bit << shift; + } + } + } + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + return bitmap; + } + + // 6.3.2 Generic Refinement Region Decoding Procedure + function decodeRefinement(width, height, templateIndex, referenceBitmap, + offsetX, offsetY, prediction, at, + decodingContext) { + var codingTemplate = RefinementTemplates[templateIndex].coding; + if (templateIndex === 0) { + codingTemplate = codingTemplate.concat([at[0]]); + } + var codingTemplateLength = codingTemplate.length; + var codingTemplateX = new Int32Array(codingTemplateLength); + var codingTemplateY = new Int32Array(codingTemplateLength); + var k; + for (k = 0; k < codingTemplateLength; k++) { + codingTemplateX[k] = codingTemplate[k].x; + codingTemplateY[k] = codingTemplate[k].y; + } + + var referenceTemplate = RefinementTemplates[templateIndex].reference; + if (templateIndex === 0) { + referenceTemplate = referenceTemplate.concat([at[1]]); + } + var referenceTemplateLength = referenceTemplate.length; + var referenceTemplateX = new Int32Array(referenceTemplateLength); + var referenceTemplateY = new Int32Array(referenceTemplateLength); + for (k = 0; k < referenceTemplateLength; k++) { + referenceTemplateX[k] = referenceTemplate[k].x; + referenceTemplateY[k] = referenceTemplate[k].y; + } + var referenceWidth = referenceBitmap[0].length; + var referenceHeight = referenceBitmap.length; + + var pseudoPixelContext = RefinementReusedContexts[templateIndex]; + var bitmap = []; + + var decoder = decodingContext.decoder; + var contexts = decodingContext.contextCache.getContexts('GR'); + + var ltp = 0; + for (var i = 0; i < height; i++) { + if (prediction) { + var sltp = decoder.readBit(contexts, pseudoPixelContext); + ltp ^= sltp; + if (ltp) { + error('JBIG2 error: prediction is not supported'); + } + } + var row = new Uint8Array(width); + bitmap.push(row); + for (var j = 0; j < width; j++) { + var i0, j0; + var contextLabel = 0; + for (k = 0; k < codingTemplateLength; k++) { + i0 = i + codingTemplateY[k]; + j0 = j + codingTemplateX[k]; + if (i0 < 0 || j0 < 0 || j0 >= width) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | bitmap[i0][j0]; + } + } + for (k = 0; k < referenceTemplateLength; k++) { + i0 = i + referenceTemplateY[k] + offsetY; + j0 = j + referenceTemplateX[k] + offsetX; + if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || + j0 >= referenceWidth) { + contextLabel <<= 1; // out of bound pixel + } else { + contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0]; + } + } + var pixel = decoder.readBit(contexts, contextLabel); + row[j] = pixel; + } + } + + return bitmap; + } + + // 6.5.5 Decoding the symbol dictionary + function decodeSymbolDictionary(huffman, refinement, symbols, + numberOfNewSymbols, numberOfExportedSymbols, + huffmanTables, templateIndex, at, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + var newSymbols = []; + var currentHeight = 0; + var symbolCodeLength = log2(symbols.length + numberOfNewSymbols); + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + + while (newSymbols.length < numberOfNewSymbols) { + var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); // 6.5.6 + currentHeight += deltaHeight; + var currentWidth = 0; + var totalWidth = 0; + while (true) { + var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); // 6.5.7 + if (deltaWidth === null) { + break; // OOB + } + currentWidth += deltaWidth; + totalWidth += currentWidth; + var bitmap; + if (refinement) { + // 6.5.8.2 Refinement/aggregate-coded symbol bitmap + var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); + if (numberOfInstances > 1) { + bitmap = decodeTextRegion(huffman, refinement, + currentWidth, currentHeight, 0, + numberOfInstances, 1, //strip size + symbols.concat(newSymbols), + symbolCodeLength, + 0, //transposed + 0, //ds offset + 1, //top left 7.4.3.1.1 + 0, //OR operator + huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext); + } else { + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + var symbol = (symbolId < symbols.length ? symbols[symbolId] : + newSymbols[symbolId - symbols.length]); + bitmap = decodeRefinement(currentWidth, currentHeight, + refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, + decodingContext); + } + } else { + // 6.5.8.1 Direct-coded symbol bitmap + bitmap = decodeBitmap(false, currentWidth, currentHeight, + templateIndex, false, null, at, decodingContext); + } + newSymbols.push(bitmap); + } + } + // 6.5.10 Exported symbols + var exportedSymbols = []; + var flags = [], currentFlag = false; + var totalSymbolsLength = symbols.length + numberOfNewSymbols; + while (flags.length < totalSymbolsLength) { + var runLength = decodeInteger(contextCache, 'IAEX', decoder); + while (runLength--) { + flags.push(currentFlag); + } + currentFlag = !currentFlag; + } + for (var i = 0, ii = symbols.length; i < ii; i++) { + if (flags[i]) { + exportedSymbols.push(symbols[i]); + } + } + for (var j = 0; j < numberOfNewSymbols; i++, j++) { + if (flags[i]) { + exportedSymbols.push(newSymbols[j]); + } + } + return exportedSymbols; + } + + function decodeTextRegion(huffman, refinement, width, height, + defaultPixelValue, numberOfSymbolInstances, + stripSize, inputSymbols, symbolCodeLength, + transposed, dsOffset, referenceCorner, + combinationOperator, huffmanTables, + refinementTemplateIndex, refinementAt, + decodingContext) { + if (huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Prepare bitmap + var bitmap = []; + var i, row; + for (i = 0; i < height; i++) { + row = new Uint8Array(width); + if (defaultPixelValue) { + for (var j = 0; j < width; j++) { + row[j] = defaultPixelValue; + } + } + bitmap.push(row); + } + + var decoder = decodingContext.decoder; + var contextCache = decodingContext.contextCache; + var stripT = -decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + var firstS = 0; + i = 0; + while (i < numberOfSymbolInstances) { + var deltaT = decodeInteger(contextCache, 'IADT', decoder); // 6.4.6 + stripT += deltaT; + + var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); // 6.4.7 + firstS += deltaFirstS; + var currentS = firstS; + do { + var currentT = (stripSize === 1 ? 0 : + decodeInteger(contextCache, 'IAIT', decoder)); // 6.4.9 + var t = stripSize * stripT + currentT; + var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); + var applyRefinement = (refinement && + decodeInteger(contextCache, 'IARI', decoder)); + var symbolBitmap = inputSymbols[symbolId]; + var symbolWidth = symbolBitmap[0].length; + var symbolHeight = symbolBitmap.length; + if (applyRefinement) { + var rdw = decodeInteger(contextCache, 'IARDW', decoder); // 6.4.11.1 + var rdh = decodeInteger(contextCache, 'IARDH', decoder); // 6.4.11.2 + var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3 + var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4 + symbolWidth += rdw; + symbolHeight += rdh; + symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, + refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, + (rdh >> 1) + rdy, false, refinementAt, + decodingContext); + } + var offsetT = t - ((referenceCorner & 1) ? 0 : symbolHeight); + var offsetS = currentS - ((referenceCorner & 2) ? symbolWidth : 0); + var s2, t2, symbolRow; + if (transposed) { + // Place Symbol Bitmap from T1,S1 + for (s2 = 0; s2 < symbolHeight; s2++) { + row = bitmap[offsetS + s2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[s2]; + // To ignore Parts of Symbol bitmap which goes + // outside bitmap region + var maxWidth = Math.min(width - offsetT, symbolWidth); + switch (combinationOperator) { + case 0: // OR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] |= symbolRow[t2]; + } + break; + case 2: // XOR + for (t2 = 0; t2 < maxWidth; t2++) { + row[offsetT + t2] ^= symbolRow[t2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolHeight - 1; + } else { + for (t2 = 0; t2 < symbolHeight; t2++) { + row = bitmap[offsetT + t2]; + if (!row) { + continue; + } + symbolRow = symbolBitmap[t2]; + switch (combinationOperator) { + case 0: // OR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] |= symbolRow[s2]; + } + break; + case 2: // XOR + for (s2 = 0; s2 < symbolWidth; s2++) { + row[offsetS + s2] ^= symbolRow[s2]; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + } + currentS += symbolWidth - 1; + } + i++; + var deltaS = decodeInteger(contextCache, 'IADS', decoder); // 6.4.8 + if (deltaS === null) { + break; // OOB + } + currentS += deltaS + dsOffset; + } while (true); + } + return bitmap; + } + + function readSegmentHeader(data, start) { + var segmentHeader = {}; + segmentHeader.number = readUint32(data, start); + var flags = data[start + 4]; + var segmentType = flags & 0x3F; + if (!SegmentTypes[segmentType]) { + error('JBIG2 error: invalid segment type: ' + segmentType); + } + segmentHeader.type = segmentType; + segmentHeader.typeName = SegmentTypes[segmentType]; + segmentHeader.deferredNonRetain = !!(flags & 0x80); + + var pageAssociationFieldSize = !!(flags & 0x40); + var referredFlags = data[start + 5]; + var referredToCount = (referredFlags >> 5) & 7; + var retainBits = [referredFlags & 31]; + var position = start + 6; + if (referredFlags === 7) { + referredToCount = readUint32(data, position - 1) & 0x1FFFFFFF; + position += 3; + var bytes = (referredToCount + 7) >> 3; + retainBits[0] = data[position++]; + while (--bytes > 0) { + retainBits.push(data[position++]); + } + } else if (referredFlags === 5 || referredFlags === 6) { + error('JBIG2 error: invalid referred-to flags'); + } + + segmentHeader.retainBits = retainBits; + var referredToSegmentNumberSize = (segmentHeader.number <= 256 ? 1 : + (segmentHeader.number <= 65536 ? 2 : 4)); + var referredTo = []; + var i, ii; + for (i = 0; i < referredToCount; i++) { + var number = (referredToSegmentNumberSize === 1 ? data[position] : + (referredToSegmentNumberSize === 2 ? readUint16(data, position) : + readUint32(data, position))); + referredTo.push(number); + position += referredToSegmentNumberSize; + } + segmentHeader.referredTo = referredTo; + if (!pageAssociationFieldSize) { + segmentHeader.pageAssociation = data[position++]; + } else { + segmentHeader.pageAssociation = readUint32(data, position); + position += 4; + } + segmentHeader.length = readUint32(data, position); + position += 4; + + if (segmentHeader.length === 0xFFFFFFFF) { + // 7.2.7 Segment data length, unknown segment length + if (segmentType === 38) { // ImmediateGenericRegion + var genericRegionInfo = readRegionSegmentInformation(data, position); + var genericRegionSegmentFlags = data[position + + RegionSegmentInformationFieldLength]; + var genericRegionMmr = !!(genericRegionSegmentFlags & 1); + // searching for the segment end + var searchPatternLength = 6; + var searchPattern = new Uint8Array(searchPatternLength); + if (!genericRegionMmr) { + searchPattern[0] = 0xFF; + searchPattern[1] = 0xAC; + } + searchPattern[2] = (genericRegionInfo.height >>> 24) & 0xFF; + searchPattern[3] = (genericRegionInfo.height >> 16) & 0xFF; + searchPattern[4] = (genericRegionInfo.height >> 8) & 0xFF; + searchPattern[5] = genericRegionInfo.height & 0xFF; + for (i = position, ii = data.length; i < ii; i++) { + var j = 0; + while (j < searchPatternLength && searchPattern[j] === data[i + j]) { + j++; + } + if (j === searchPatternLength) { + segmentHeader.length = i + searchPatternLength; + break; + } + } + if (segmentHeader.length === 0xFFFFFFFF) { + error('JBIG2 error: segment end was not found'); + } + } else { + error('JBIG2 error: invalid unknown segment length'); + } + } + segmentHeader.headerEnd = position; + return segmentHeader; + } + + function readSegments(header, data, start, end) { + var segments = []; + var position = start; + while (position < end) { + var segmentHeader = readSegmentHeader(data, position); + position = segmentHeader.headerEnd; + var segment = { + header: segmentHeader, + data: data + }; + if (!header.randomAccess) { + segment.start = position; + position += segmentHeader.length; + segment.end = position; + } + segments.push(segment); + if (segmentHeader.type === 51) { + break; // end of file is found + } + } + if (header.randomAccess) { + for (var i = 0, ii = segments.length; i < ii; i++) { + segments[i].start = position; + position += segments[i].header.length; + segments[i].end = position; + } + } + return segments; + } + + // 7.4.1 Region segment information field + function readRegionSegmentInformation(data, start) { + return { + width: readUint32(data, start), + height: readUint32(data, start + 4), + x: readUint32(data, start + 8), + y: readUint32(data, start + 12), + combinationOperator: data[start + 16] & 7 + }; + } + var RegionSegmentInformationFieldLength = 17; + + function processSegment(segment, visitor) { + var header = segment.header; + + var data = segment.data, position = segment.start, end = segment.end; + var args, at, i, atLength; + switch (header.type) { + case 0: // SymbolDictionary + // 7.4.2 Symbol dictionary segment syntax + var dictionary = {}; + var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1 + dictionary.huffman = !!(dictionaryFlags & 1); + dictionary.refinement = !!(dictionaryFlags & 2); + dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3; + dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3; + dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1; + dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1; + dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256); + dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512); + dictionary.template = (dictionaryFlags >> 10) & 3; + dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1; + position += 2; + if (!dictionary.huffman) { + atLength = dictionary.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.at = at; + } + if (dictionary.refinement && !dictionary.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + dictionary.refinementAt = at; + } + dictionary.numberOfExportedSymbols = readUint32(data, position); + position += 4; + dictionary.numberOfNewSymbols = readUint32(data, position); + position += 4; + args = [dictionary, header.number, header.referredTo, + data, position, end]; + break; + case 6: // ImmediateTextRegion + case 7: // ImmediateLosslessTextRegion + var textRegion = {}; + textRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var textRegionSegmentFlags = readUint16(data, position); + position += 2; + textRegion.huffman = !!(textRegionSegmentFlags & 1); + textRegion.refinement = !!(textRegionSegmentFlags & 2); + textRegion.stripSize = 1 << ((textRegionSegmentFlags >> 2) & 3); + textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3; + textRegion.transposed = !!(textRegionSegmentFlags & 64); + textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3; + textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1; + textRegion.dsOffset = (textRegionSegmentFlags << 17) >> 27; + textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1; + if (textRegion.huffman) { + var textRegionHuffmanFlags = readUint16(data, position); + position += 2; + textRegion.huffmanFS = (textRegionHuffmanFlags) & 3; + textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3; + textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3; + textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3; + textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3; + textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3; + textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3; + textRegion.huffmanRefinementSizeSelector = + !!(textRegionHuffmanFlags & 14); + } + if (textRegion.refinement && !textRegion.refinementTemplate) { + at = []; + for (i = 0; i < 2; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + textRegion.refinementAt = at; + } + textRegion.numberOfSymbolInstances = readUint32(data, position); + position += 4; + // TODO 7.4.3.1.7 Symbol ID Huffman table decoding + if (textRegion.huffman) { + error('JBIG2 error: huffman is not supported'); + } + args = [textRegion, header.referredTo, data, position, end]; + break; + case 38: // ImmediateGenericRegion + case 39: // ImmediateLosslessGenericRegion + var genericRegion = {}; + genericRegion.info = readRegionSegmentInformation(data, position); + position += RegionSegmentInformationFieldLength; + var genericRegionSegmentFlags = data[position++]; + genericRegion.mmr = !!(genericRegionSegmentFlags & 1); + genericRegion.template = (genericRegionSegmentFlags >> 1) & 3; + genericRegion.prediction = !!(genericRegionSegmentFlags & 8); + if (!genericRegion.mmr) { + atLength = genericRegion.template === 0 ? 4 : 1; + at = []; + for (i = 0; i < atLength; i++) { + at.push({ + x: readInt8(data, position), + y: readInt8(data, position + 1) + }); + position += 2; + } + genericRegion.at = at; + } + args = [genericRegion, data, position, end]; + break; + case 48: // PageInformation + var pageInfo = { + width: readUint32(data, position), + height: readUint32(data, position + 4), + resolutionX: readUint32(data, position + 8), + resolutionY: readUint32(data, position + 12) + }; + if (pageInfo.height === 0xFFFFFFFF) { + delete pageInfo.height; + } + var pageSegmentFlags = data[position + 16]; + var pageStripingInformation = readUint16(data, position + 17); + pageInfo.lossless = !!(pageSegmentFlags & 1); + pageInfo.refinement = !!(pageSegmentFlags & 2); + pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1; + pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3; + pageInfo.requiresBuffer = !!(pageSegmentFlags & 32); + pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64); + args = [pageInfo]; + break; + case 49: // EndOfPage + break; + case 50: // EndOfStripe + break; + case 51: // EndOfFile + break; + case 62: // 7.4.15 defines 2 extension types which + // are comments and can be ignored. + break; + default: + error('JBIG2 error: segment type ' + header.typeName + '(' + + header.type + ') is not implemented'); + } + var callbackName = 'on' + header.typeName; + if (callbackName in visitor) { + visitor[callbackName].apply(visitor, args); + } + } + + function processSegments(segments, visitor) { + for (var i = 0, ii = segments.length; i < ii; i++) { + processSegment(segments[i], visitor); + } + } + + function parseJbig2(data, start, end) { + var position = start; + if (data[position] !== 0x97 || data[position + 1] !== 0x4A || + data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || + data[position + 4] !== 0x0D || data[position + 5] !== 0x0A || + data[position + 6] !== 0x1A || data[position + 7] !== 0x0A) { + error('JBIG2 error: invalid header'); + } + var header = {}; + position += 8; + var flags = data[position++]; + header.randomAccess = !(flags & 1); + if (!(flags & 2)) { + header.numberOfPages = readUint32(data, position); + position += 4; + } + var segments = readSegments(header, data, position, end); + error('Not implemented'); + // processSegments(segments, new SimpleSegmentVisitor()); + } + + function parseJbig2Chunks(chunks) { + var visitor = new SimpleSegmentVisitor(); + for (var i = 0, ii = chunks.length; i < ii; i++) { + var chunk = chunks[i]; + var segments = readSegments({}, chunk.data, chunk.start, chunk.end); + processSegments(segments, visitor); + } + return visitor.buffer; + } + + function SimpleSegmentVisitor() {} + + SimpleSegmentVisitor.prototype = { + onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { + this.currentPageInfo = info; + var rowSize = (info.width + 7) >> 3; + var buffer = new Uint8Array(rowSize * info.height); + // The contents of ArrayBuffers are initialized to 0. + // Fill the buffer with 0xFF only if info.defaultPixelValue is set + if (info.defaultPixelValue) { + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = 0xFF; + } + } + this.buffer = buffer; + }, + drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) { + var pageInfo = this.currentPageInfo; + var width = regionInfo.width, height = regionInfo.height; + var rowSize = (pageInfo.width + 7) >> 3; + var combinationOperator = pageInfo.combinationOperatorOverride ? + regionInfo.combinationOperator : pageInfo.combinationOperator; + var buffer = this.buffer; + var mask0 = 128 >> (regionInfo.x & 7); + var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3); + var i, j, mask, offset; + switch (combinationOperator) { + case 0: // OR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] |= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + case 2: // XOR + for (i = 0; i < height; i++) { + mask = mask0; + offset = offset0; + for (j = 0; j < width; j++) { + if (bitmap[i][j]) { + buffer[offset] ^= mask; + } + mask >>= 1; + if (!mask) { + mask = 128; + offset++; + } + } + offset0 += rowSize; + } + break; + default: + error('JBIG2 error: operator ' + combinationOperator + + ' is not supported'); + } + }, + onImmediateGenericRegion: + function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, + start, end) { + var regionInfo = region.info; + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, + region.template, region.prediction, null, + region.at, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessGenericRegion: + function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() { + this.onImmediateGenericRegion.apply(this, arguments); + }, + onSymbolDictionary: + function SimpleSegmentVisitor_onSymbolDictionary(dictionary, + currentSegment, + referredSegments, + data, start, end) { + var huffmanTables; + if (dictionary.huffman) { + error('JBIG2 error: huffman is not supported'); + } + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + if (!symbols) { + this.symbols = symbols = {}; + } + + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + + var decodingContext = new DecodingContext(data, start, end); + symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, + dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, + dictionary.numberOfExportedSymbols, huffmanTables, + dictionary.template, dictionary.at, + dictionary.refinementTemplate, dictionary.refinementAt, + decodingContext); + }, + onImmediateTextRegion: + function SimpleSegmentVisitor_onImmediateTextRegion(region, + referredSegments, + data, start, end) { + var regionInfo = region.info; + var huffmanTables; + + // Combines exported symbols from all referred segments + var symbols = this.symbols; + var inputSymbols = []; + for (var i = 0, ii = referredSegments.length; i < ii; i++) { + inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]); + } + var symbolCodeLength = log2(inputSymbols.length); + + var decodingContext = new DecodingContext(data, start, end); + var bitmap = decodeTextRegion(region.huffman, region.refinement, + regionInfo.width, regionInfo.height, region.defaultPixelValue, + region.numberOfSymbolInstances, region.stripSize, inputSymbols, + symbolCodeLength, region.transposed, region.dsOffset, + region.referenceCorner, region.combinationOperator, huffmanTables, + region.refinementTemplate, region.refinementAt, decodingContext); + this.drawBitmap(regionInfo, bitmap); + }, + onImmediateLosslessTextRegion: + function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { + this.onImmediateTextRegion.apply(this, arguments); + } + }; + + function Jbig2Image() {} + + Jbig2Image.prototype = { + parseChunks: function Jbig2Image_parseChunks(chunks) { + return parseJbig2Chunks(chunks); + } + }; + + return Jbig2Image; +})(); + +exports.Jbig2Image = Jbig2Image; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpg = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var error = sharedUtil.error; + +/** + * This code was forked from https://github.com/notmasteryet/jpgjs. + * The original version was created by GitHub user notmasteryet. + * + * - The JPEG specification can be found in the ITU CCITT Recommendation T.81 + * (www.w3.org/Graphics/JPEG/itu-t81.pdf) + * - The JFIF specification can be found in the JPEG File Interchange Format + * (www.w3.org/Graphics/JPEG/jfif3.pdf) + * - The Adobe Application-Specific JPEG markers in the + * Supporting the DCT Filters in PostScript Level 2, Technical Note #5116 + * (partners.adobe.com/public/developer/en/ps/sdk/5116.DCT_Filter.pdf) + */ + +var JpegImage = (function JpegImageClosure() { + var dctZigZag = new Uint8Array([ + 0, + 1, 8, + 16, 9, 2, + 3, 10, 17, 24, + 32, 25, 18, 11, 4, + 5, 12, 19, 26, 33, 40, + 48, 41, 34, 27, 20, 13, 6, + 7, 14, 21, 28, 35, 42, 49, 56, + 57, 50, 43, 36, 29, 22, 15, + 23, 30, 37, 44, 51, 58, + 59, 52, 45, 38, 31, + 39, 46, 53, 60, + 61, 54, 47, + 55, 62, + 63 + ]); + + var dctCos1 = 4017; // cos(pi/16) + var dctSin1 = 799; // sin(pi/16) + var dctCos3 = 3406; // cos(3*pi/16) + var dctSin3 = 2276; // sin(3*pi/16) + var dctCos6 = 1567; // cos(6*pi/16) + var dctSin6 = 3784; // sin(6*pi/16) + var dctSqrt2 = 5793; // sqrt(2) + var dctSqrt1d2 = 2896; // sqrt(2) / 2 + + function JpegImage() { + this.decodeTransform = null; + this.colorTransform = -1; + } + + function buildHuffmanTable(codeLengths, values) { + var k = 0, code = [], i, j, length = 16; + while (length > 0 && !codeLengths[length - 1]) { + length--; + } + code.push({children: [], index: 0}); + var p = code[0], q; + for (i = 0; i < length; i++) { + for (j = 0; j < codeLengths[i]; j++) { + p = code.pop(); + p.children[p.index] = values[k]; + while (p.index > 0) { + p = code.pop(); + } + p.index++; + code.push(p); + while (code.length <= i) { + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + k++; + } + if (i + 1 < length) { + // p here points to last code + code.push(q = {children: [], index: 0}); + p.children[p.index] = q.children; + p = q; + } + } + return code[0].children; + } + + function getBlockBufferOffset(component, row, col) { + return 64 * ((component.blocksPerLine + 1) * row + col); + } + + function decodeScan(data, offset, frame, components, resetInterval, + spectralStart, spectralEnd, successivePrev, successive) { + var mcusPerLine = frame.mcusPerLine; + var progressive = frame.progressive; + + var startOffset = offset, bitsData = 0, bitsCount = 0; + + function readBit() { + if (bitsCount > 0) { + bitsCount--; + return (bitsData >> bitsCount) & 1; + } + bitsData = data[offset++]; + if (bitsData === 0xFF) { + var nextByte = data[offset++]; + if (nextByte) { + error('JPEG error: unexpected marker ' + + ((bitsData << 8) | nextByte).toString(16)); + } + // unstuff 0 + } + bitsCount = 7; + return bitsData >>> 7; + } + + function decodeHuffman(tree) { + var node = tree; + while (true) { + node = node[readBit()]; + if (typeof node === 'number') { + return node; + } + if (typeof node !== 'object') { + error('JPEG error: invalid huffman sequence'); + } + } + } + + function receive(length) { + var n = 0; + while (length > 0) { + n = (n << 1) | readBit(); + length--; + } + return n; + } + + function receiveAndExtend(length) { + if (length === 1) { + return readBit() === 1 ? 1 : -1; + } + var n = receive(length); + if (n >= 1 << (length - 1)) { + return n; + } + return n + (-1 << length) + 1; + } + + function decodeBaseline(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : receiveAndExtend(t); + component.blockData[offset] = (component.pred += diff); + var k = 1; + while (k < 64) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = receiveAndExtend(s); + k++; + } + } + + function decodeDCFirst(component, offset) { + var t = decodeHuffman(component.huffmanTableDC); + var diff = t === 0 ? 0 : (receiveAndExtend(t) << successive); + component.blockData[offset] = (component.pred += diff); + } + + function decodeDCSuccessive(component, offset) { + component.blockData[offset] |= readBit() << successive; + } + + var eobrun = 0; + function decodeACFirst(component, offset) { + if (eobrun > 0) { + eobrun--; + return; + } + var k = spectralStart, e = spectralEnd; + while (k <= e) { + var rs = decodeHuffman(component.huffmanTableAC); + var s = rs & 15, r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r) - 1; + break; + } + k += 16; + continue; + } + k += r; + var z = dctZigZag[k]; + component.blockData[offset + z] = + receiveAndExtend(s) * (1 << successive); + k++; + } + } + + var successiveACState = 0, successiveACNextValue; + function decodeACSuccessive(component, offset) { + var k = spectralStart; + var e = spectralEnd; + var r = 0; + var s; + var rs; + while (k <= e) { + var z = dctZigZag[k]; + switch (successiveACState) { + case 0: // initial state + rs = decodeHuffman(component.huffmanTableAC); + s = rs & 15; + r = rs >> 4; + if (s === 0) { + if (r < 15) { + eobrun = receive(r) + (1 << r); + successiveACState = 4; + } else { + r = 16; + successiveACState = 1; + } + } else { + if (s !== 1) { + error('JPEG error: invalid ACn encoding'); + } + successiveACNextValue = receiveAndExtend(s); + successiveACState = r ? 2 : 3; + } + continue; + case 1: // skipping r zero items + case 2: + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + r--; + if (r === 0) { + successiveACState = successiveACState === 2 ? 3 : 0; + } + } + break; + case 3: // set value for a zero item + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } else { + component.blockData[offset + z] = + successiveACNextValue << successive; + successiveACState = 0; + } + break; + case 4: // eob + if (component.blockData[offset + z]) { + component.blockData[offset + z] += (readBit() << successive); + } + break; + } + k++; + } + if (successiveACState === 4) { + eobrun--; + if (eobrun === 0) { + successiveACState = 0; + } + } + } + + function decodeMcu(component, decode, mcu, row, col) { + var mcuRow = (mcu / mcusPerLine) | 0; + var mcuCol = mcu % mcusPerLine; + var blockRow = mcuRow * component.v + row; + var blockCol = mcuCol * component.h + col; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + function decodeBlock(component, decode, mcu) { + var blockRow = (mcu / component.blocksPerLine) | 0; + var blockCol = mcu % component.blocksPerLine; + var offset = getBlockBufferOffset(component, blockRow, blockCol); + decode(component, offset); + } + + var componentsLength = components.length; + var component, i, j, k, n; + var decodeFn; + if (progressive) { + if (spectralStart === 0) { + decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive; + } else { + decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive; + } + } else { + decodeFn = decodeBaseline; + } + + var mcu = 0, marker; + var mcuExpected; + if (componentsLength === 1) { + mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; + } else { + mcuExpected = mcusPerLine * frame.mcusPerColumn; + } + if (!resetInterval) { + resetInterval = mcuExpected; + } + + var h, v; + while (mcu < mcuExpected) { + // reset interval stuff + for (i = 0; i < componentsLength; i++) { + components[i].pred = 0; + } + eobrun = 0; + + if (componentsLength === 1) { + component = components[0]; + for (n = 0; n < resetInterval; n++) { + decodeBlock(component, decodeFn, mcu); + mcu++; + } + } else { + for (n = 0; n < resetInterval; n++) { + for (i = 0; i < componentsLength; i++) { + component = components[i]; + h = component.h; + v = component.v; + for (j = 0; j < v; j++) { + for (k = 0; k < h; k++) { + decodeMcu(component, decodeFn, mcu, j, k); + } + } + } + mcu++; + } + } + + // find marker + bitsCount = 0; + marker = (data[offset] << 8) | data[offset + 1]; + // Some bad images seem to pad Scan blocks with zero bytes, skip past + // those to attempt to find a valid marker (fixes issue4090.pdf). + while (data[offset] === 0x00 && offset < data.length - 1) { + offset++; + marker = (data[offset] << 8) | data[offset + 1]; + } + if (marker <= 0xFF00) { + error('JPEG error: marker was not found'); + } + + if (marker >= 0xFFD0 && marker <= 0xFFD7) { // RSTx + offset += 2; + } else { + break; + } + } + + return offset - startOffset; + } + + // A port of poppler's IDCT method which in turn is taken from: + // Christoph Loeffler, Adriaan Ligtenberg, George S. Moschytz, + // 'Practical Fast 1-D DCT Algorithms with 11 Multiplications', + // IEEE Intl. Conf. on Acoustics, Speech & Signal Processing, 1989, + // 988-991. + function quantizeAndInverse(component, blockBufferOffset, p) { + var qt = component.quantizationTable, blockData = component.blockData; + var v0, v1, v2, v3, v4, v5, v6, v7; + var p0, p1, p2, p3, p4, p5, p6, p7; + var t; + + if (!qt) { + error('JPEG error: missing required Quantization Table.'); + } + + // inverse DCT on rows + for (var row = 0; row < 64; row += 8) { + // gather block data + p0 = blockData[blockBufferOffset + row]; + p1 = blockData[blockBufferOffset + row + 1]; + p2 = blockData[blockBufferOffset + row + 2]; + p3 = blockData[blockBufferOffset + row + 3]; + p4 = blockData[blockBufferOffset + row + 4]; + p5 = blockData[blockBufferOffset + row + 5]; + p6 = blockData[blockBufferOffset + row + 6]; + p7 = blockData[blockBufferOffset + row + 7]; + + // dequant p0 + p0 *= qt[row]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 512) >> 10; + p[row] = t; + p[row + 1] = t; + p[row + 2] = t; + p[row + 3] = t; + p[row + 4] = t; + p[row + 5] = t; + p[row + 6] = t; + p[row + 7] = t; + continue; + } + // dequant p1 ... p7 + p1 *= qt[row + 1]; + p2 *= qt[row + 2]; + p3 *= qt[row + 3]; + p4 *= qt[row + 4]; + p5 *= qt[row + 5]; + p6 *= qt[row + 6]; + p7 *= qt[row + 7]; + + // stage 4 + v0 = (dctSqrt2 * p0 + 128) >> 8; + v1 = (dctSqrt2 * p4 + 128) >> 8; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 128) >> 8; + v7 = (dctSqrt1d2 * (p1 + p7) + 128) >> 8; + v5 = p3 << 4; + v6 = p5 << 4; + + // stage 3 + v0 = (v0 + v1 + 1) >> 1; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 128) >> 8; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 128) >> 8; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p[row] = v0 + v7; + p[row + 7] = v0 - v7; + p[row + 1] = v1 + v6; + p[row + 6] = v1 - v6; + p[row + 2] = v2 + v5; + p[row + 5] = v2 - v5; + p[row + 3] = v3 + v4; + p[row + 4] = v3 - v4; + } + + // inverse DCT on columns + for (var col = 0; col < 8; ++col) { + p0 = p[col]; + p1 = p[col + 8]; + p2 = p[col + 16]; + p3 = p[col + 24]; + p4 = p[col + 32]; + p5 = p[col + 40]; + p6 = p[col + 48]; + p7 = p[col + 56]; + + // check for all-zero AC coefficients + if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { + t = (dctSqrt2 * p0 + 8192) >> 14; + // convert to 8 bit + t = (t < -2040) ? 0 : (t >= 2024) ? 255 : (t + 2056) >> 4; + blockData[blockBufferOffset + col] = t; + blockData[blockBufferOffset + col + 8] = t; + blockData[blockBufferOffset + col + 16] = t; + blockData[blockBufferOffset + col + 24] = t; + blockData[blockBufferOffset + col + 32] = t; + blockData[blockBufferOffset + col + 40] = t; + blockData[blockBufferOffset + col + 48] = t; + blockData[blockBufferOffset + col + 56] = t; + continue; + } + + // stage 4 + v0 = (dctSqrt2 * p0 + 2048) >> 12; + v1 = (dctSqrt2 * p4 + 2048) >> 12; + v2 = p2; + v3 = p6; + v4 = (dctSqrt1d2 * (p1 - p7) + 2048) >> 12; + v7 = (dctSqrt1d2 * (p1 + p7) + 2048) >> 12; + v5 = p3; + v6 = p5; + + // stage 3 + // Shift v0 by 128.5 << 5 here, so we don't need to shift p0...p7 when + // converting to UInt8 range later. + v0 = ((v0 + v1 + 1) >> 1) + 4112; + v1 = v0 - v1; + t = (v2 * dctSin6 + v3 * dctCos6 + 2048) >> 12; + v2 = (v2 * dctCos6 - v3 * dctSin6 + 2048) >> 12; + v3 = t; + v4 = (v4 + v6 + 1) >> 1; + v6 = v4 - v6; + v7 = (v7 + v5 + 1) >> 1; + v5 = v7 - v5; + + // stage 2 + v0 = (v0 + v3 + 1) >> 1; + v3 = v0 - v3; + v1 = (v1 + v2 + 1) >> 1; + v2 = v1 - v2; + t = (v4 * dctSin3 + v7 * dctCos3 + 2048) >> 12; + v4 = (v4 * dctCos3 - v7 * dctSin3 + 2048) >> 12; + v7 = t; + t = (v5 * dctSin1 + v6 * dctCos1 + 2048) >> 12; + v5 = (v5 * dctCos1 - v6 * dctSin1 + 2048) >> 12; + v6 = t; + + // stage 1 + p0 = v0 + v7; + p7 = v0 - v7; + p1 = v1 + v6; + p6 = v1 - v6; + p2 = v2 + v5; + p5 = v2 - v5; + p3 = v3 + v4; + p4 = v3 - v4; + + // convert to 8-bit integers + p0 = (p0 < 16) ? 0 : (p0 >= 4080) ? 255 : p0 >> 4; + p1 = (p1 < 16) ? 0 : (p1 >= 4080) ? 255 : p1 >> 4; + p2 = (p2 < 16) ? 0 : (p2 >= 4080) ? 255 : p2 >> 4; + p3 = (p3 < 16) ? 0 : (p3 >= 4080) ? 255 : p3 >> 4; + p4 = (p4 < 16) ? 0 : (p4 >= 4080) ? 255 : p4 >> 4; + p5 = (p5 < 16) ? 0 : (p5 >= 4080) ? 255 : p5 >> 4; + p6 = (p6 < 16) ? 0 : (p6 >= 4080) ? 255 : p6 >> 4; + p7 = (p7 < 16) ? 0 : (p7 >= 4080) ? 255 : p7 >> 4; + + // store block data + blockData[blockBufferOffset + col] = p0; + blockData[blockBufferOffset + col + 8] = p1; + blockData[blockBufferOffset + col + 16] = p2; + blockData[blockBufferOffset + col + 24] = p3; + blockData[blockBufferOffset + col + 32] = p4; + blockData[blockBufferOffset + col + 40] = p5; + blockData[blockBufferOffset + col + 48] = p6; + blockData[blockBufferOffset + col + 56] = p7; + } + } + + function buildComponentData(frame, component) { + var blocksPerLine = component.blocksPerLine; + var blocksPerColumn = component.blocksPerColumn; + var computationBuffer = new Int16Array(64); + + for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) { + for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) { + var offset = getBlockBufferOffset(component, blockRow, blockCol); + quantizeAndInverse(component, offset, computationBuffer); + } + } + return component.blockData; + } + + function clamp0to255(a) { + return a <= 0 ? 0 : a >= 255 ? 255 : a; + } + + JpegImage.prototype = { + parse: function parse(data) { + + function readUint16() { + var value = (data[offset] << 8) | data[offset + 1]; + offset += 2; + return value; + } + + function readDataBlock() { + var length = readUint16(); + var array = data.subarray(offset, offset + length - 2); + offset += array.length; + return array; + } + + function prepareComponents(frame) { + var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH); + var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV); + for (var i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * + component.h / frame.maxH); + var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * + component.v / frame.maxV); + var blocksPerLineForMcu = mcusPerLine * component.h; + var blocksPerColumnForMcu = mcusPerColumn * component.v; + + var blocksBufferSize = 64 * blocksPerColumnForMcu * + (blocksPerLineForMcu + 1); + component.blockData = new Int16Array(blocksBufferSize); + component.blocksPerLine = blocksPerLine; + component.blocksPerColumn = blocksPerColumn; + } + frame.mcusPerLine = mcusPerLine; + frame.mcusPerColumn = mcusPerColumn; + } + + var offset = 0; + var jfif = null; + var adobe = null; + var frame, resetInterval; + var quantizationTables = []; + var huffmanTablesAC = [], huffmanTablesDC = []; + var fileMarker = readUint16(); + if (fileMarker !== 0xFFD8) { // SOI (Start of Image) + error('JPEG error: SOI not found'); + } + + fileMarker = readUint16(); + while (fileMarker !== 0xFFD9) { // EOI (End of image) + var i, j, l; + switch(fileMarker) { + case 0xFFE0: // APP0 (Application Specific) + case 0xFFE1: // APP1 + case 0xFFE2: // APP2 + case 0xFFE3: // APP3 + case 0xFFE4: // APP4 + case 0xFFE5: // APP5 + case 0xFFE6: // APP6 + case 0xFFE7: // APP7 + case 0xFFE8: // APP8 + case 0xFFE9: // APP9 + case 0xFFEA: // APP10 + case 0xFFEB: // APP11 + case 0xFFEC: // APP12 + case 0xFFED: // APP13 + case 0xFFEE: // APP14 + case 0xFFEF: // APP15 + case 0xFFFE: // COM (Comment) + var appData = readDataBlock(); + + if (fileMarker === 0xFFE0) { + if (appData[0] === 0x4A && appData[1] === 0x46 && + appData[2] === 0x49 && appData[3] === 0x46 && + appData[4] === 0) { // 'JFIF\x00' + jfif = { + version: { major: appData[5], minor: appData[6] }, + densityUnits: appData[7], + xDensity: (appData[8] << 8) | appData[9], + yDensity: (appData[10] << 8) | appData[11], + thumbWidth: appData[12], + thumbHeight: appData[13], + thumbData: appData.subarray(14, 14 + + 3 * appData[12] * appData[13]) + }; + } + } + // TODO APP1 - Exif + if (fileMarker === 0xFFEE) { + if (appData[0] === 0x41 && appData[1] === 0x64 && + appData[2] === 0x6F && appData[3] === 0x62 && + appData[4] === 0x65) { // 'Adobe' + adobe = { + version: (appData[5] << 8) | appData[6], + flags0: (appData[7] << 8) | appData[8], + flags1: (appData[9] << 8) | appData[10], + transformCode: appData[11] + }; + } + } + break; + + case 0xFFDB: // DQT (Define Quantization Tables) + var quantizationTablesLength = readUint16(); + var quantizationTablesEnd = quantizationTablesLength + offset - 2; + var z; + while (offset < quantizationTablesEnd) { + var quantizationTableSpec = data[offset++]; + var tableData = new Uint16Array(64); + if ((quantizationTableSpec >> 4) === 0) { // 8 bit values + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = data[offset++]; + } + } else if ((quantizationTableSpec >> 4) === 1) { //16 bit + for (j = 0; j < 64; j++) { + z = dctZigZag[j]; + tableData[z] = readUint16(); + } + } else { + error('JPEG error: DQT - invalid table spec'); + } + quantizationTables[quantizationTableSpec & 15] = tableData; + } + break; + + case 0xFFC0: // SOF0 (Start of Frame, Baseline DCT) + case 0xFFC1: // SOF1 (Start of Frame, Extended DCT) + case 0xFFC2: // SOF2 (Start of Frame, Progressive DCT) + if (frame) { + error('JPEG error: Only single frame JPEGs supported'); + } + readUint16(); // skip data length + frame = {}; + frame.extended = (fileMarker === 0xFFC1); + frame.progressive = (fileMarker === 0xFFC2); + frame.precision = data[offset++]; + frame.scanLines = readUint16(); + frame.samplesPerLine = readUint16(); + frame.components = []; + frame.componentIds = {}; + var componentsCount = data[offset++], componentId; + var maxH = 0, maxV = 0; + for (i = 0; i < componentsCount; i++) { + componentId = data[offset]; + var h = data[offset + 1] >> 4; + var v = data[offset + 1] & 15; + if (maxH < h) { + maxH = h; + } + if (maxV < v) { + maxV = v; + } + var qId = data[offset + 2]; + l = frame.components.push({ + h: h, + v: v, + quantizationId: qId, + quantizationTable: null, // See comment below. + }); + frame.componentIds[componentId] = l - 1; + offset += 3; + } + frame.maxH = maxH; + frame.maxV = maxV; + prepareComponents(frame); + break; + + case 0xFFC4: // DHT (Define Huffman Tables) + var huffmanLength = readUint16(); + for (i = 2; i < huffmanLength;) { + var huffmanTableSpec = data[offset++]; + var codeLengths = new Uint8Array(16); + var codeLengthSum = 0; + for (j = 0; j < 16; j++, offset++) { + codeLengthSum += (codeLengths[j] = data[offset]); + } + var huffmanValues = new Uint8Array(codeLengthSum); + for (j = 0; j < codeLengthSum; j++, offset++) { + huffmanValues[j] = data[offset]; + } + i += 17 + codeLengthSum; + + ((huffmanTableSpec >> 4) === 0 ? + huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = + buildHuffmanTable(codeLengths, huffmanValues); + } + break; + + case 0xFFDD: // DRI (Define Restart Interval) + readUint16(); // skip data length + resetInterval = readUint16(); + break; + + case 0xFFDA: // SOS (Start of Scan) + var scanLength = readUint16(); + var selectorsCount = data[offset++]; + var components = [], component; + for (i = 0; i < selectorsCount; i++) { + var componentIndex = frame.componentIds[data[offset++]]; + component = frame.components[componentIndex]; + var tableSpec = data[offset++]; + component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4]; + component.huffmanTableAC = huffmanTablesAC[tableSpec & 15]; + components.push(component); + } + var spectralStart = data[offset++]; + var spectralEnd = data[offset++]; + var successiveApproximation = data[offset++]; + var processed = decodeScan(data, offset, + frame, components, resetInterval, + spectralStart, spectralEnd, + successiveApproximation >> 4, successiveApproximation & 15); + offset += processed; + break; + + case 0xFFFF: // Fill bytes + if (data[offset] !== 0xFF) { // Avoid skipping a valid marker. + offset--; + } + break; + + default: + if (data[offset - 3] === 0xFF && + data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { + // could be incorrect encoding -- last 0xFF byte of the previous + // block was eaten by the encoder + offset -= 3; + break; + } + error('JPEG error: unknown marker ' + fileMarker.toString(16)); + } + fileMarker = readUint16(); + } + + this.width = frame.samplesPerLine; + this.height = frame.scanLines; + this.jfif = jfif; + this.adobe = adobe; + this.components = []; + for (i = 0; i < frame.components.length; i++) { + component = frame.components[i]; + + // Prevent errors when DQT markers are placed after SOF{n} markers, + // by assigning the `quantizationTable` entry after the entire image + // has been parsed (fixes issue7406.pdf). + var quantizationTable = quantizationTables[component.quantizationId]; + if (quantizationTable) { + component.quantizationTable = quantizationTable; + } + + this.components.push({ + output: buildComponentData(frame, component), + scaleX: component.h / frame.maxH, + scaleY: component.v / frame.maxV, + blocksPerLine: component.blocksPerLine, + blocksPerColumn: component.blocksPerColumn + }); + } + this.numComponents = this.components.length; + }, + + _getLinearizedBlockData: function getLinearizedBlockData(width, height) { + var scaleX = this.width / width, scaleY = this.height / height; + + var component, componentScaleX, componentScaleY, blocksPerScanline; + var x, y, i, j, k; + var index; + var offset = 0; + var output; + var numComponents = this.components.length; + var dataLength = width * height * numComponents; + var data = new Uint8Array(dataLength); + var xScaleBlockOffset = new Uint32Array(width); + var mask3LSB = 0xfffffff8; // used to clear the 3 LSBs + + for (i = 0; i < numComponents; i++) { + component = this.components[i]; + componentScaleX = component.scaleX * scaleX; + componentScaleY = component.scaleY * scaleY; + offset = i; + output = component.output; + blocksPerScanline = (component.blocksPerLine + 1) << 3; + // precalculate the xScaleBlockOffset + for (x = 0; x < width; x++) { + j = 0 | (x * componentScaleX); + xScaleBlockOffset[x] = ((j & mask3LSB) << 3) | (j & 7); + } + // linearize the blocks of the component + for (y = 0; y < height; y++) { + j = 0 | (y * componentScaleY); + index = blocksPerScanline * (j & mask3LSB) | ((j & 7) << 3); + for (x = 0; x < width; x++) { + data[offset] = output[index + xScaleBlockOffset[x]]; + offset += numComponents; + } + } + } + + // decodeTransform contains pairs of multiplier (-256..256) and additive + var transform = this.decodeTransform; + if (transform) { + for (i = 0; i < dataLength;) { + for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) { + data[i] = ((data[i] * transform[k]) >> 8) + transform[k + 1]; + } + } + } + return data; + }, + + _isColorConversionNeeded: function isColorConversionNeeded() { + if (this.adobe && this.adobe.transformCode) { + // The adobe transform marker overrides any previous setting + return true; + } else if (this.numComponents === 3) { + if (!this.adobe && this.colorTransform === 0) { + // If the Adobe transform marker is not present and the image + // dictionary has a 'ColorTransform' entry, explicitly set to `0`, + // then the colours should *not* be transformed. + return false; + } + return true; + } else { // `this.numComponents !== 3` + if (!this.adobe && this.colorTransform === 1) { + // If the Adobe transform marker is not present and the image + // dictionary has a 'ColorTransform' entry, explicitly set to `1`, + // then the colours should be transformed. + return true; + } + return false; + } + }, + + _convertYccToRgb: function convertYccToRgb(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 3) { + Y = data[i ]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(Y - 179.456 + 1.402 * Cr); + data[i + 1] = clamp0to255(Y + 135.459 - 0.344 * Cb - 0.714 * Cr); + data[i + 2] = clamp0to255(Y - 226.816 + 1.772 * Cb); + } + return data; + }, + + _convertYcckToRgb: function convertYcckToRgb(data) { + var Y, Cb, Cr, k; + var offset = 0; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + k = data[i + 3]; + + var r = -122.67195406894 + + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - + 5.4080610064599e-5 * Y + 0.00048449797120281 * k - + 0.154362151871126) + + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - + 0.00477271405408747 * k + 1.53380253221734) + + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + + 0.48357088451265) + + k * (-0.000336197177618394 * k + 0.484791561490776); + + var g = 107.268039397724 + + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + + 0.000659397001245577 * Y + 0.000426105652938837 * k - + 0.176491792462875) + + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + + 0.000770482631801132 * k - 0.151051492775562) + + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + + 0.25802910206845) + + k * (-0.000318913117588328 * k - 0.213742400323665); + + var b = -20.810012546947 + + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + + 0.0020741088115012 * Y - 0.00288260236853442 * k + + 0.814272968359295) + + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + + 0.000560833691242812 * k - 0.195152027534049) + + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + + 0.116935020465145) + + k * (-0.000343531996510555 * k + 0.24165260232407); + + data[offset++] = clamp0to255(r); + data[offset++] = clamp0to255(g); + data[offset++] = clamp0to255(b); + } + return data; + }, + + _convertYcckToCmyk: function convertYcckToCmyk(data) { + var Y, Cb, Cr; + for (var i = 0, length = data.length; i < length; i += 4) { + Y = data[i]; + Cb = data[i + 1]; + Cr = data[i + 2]; + data[i ] = clamp0to255(434.456 - Y - 1.402 * Cr); + data[i + 1] = clamp0to255(119.541 - Y + 0.344 * Cb + 0.714 * Cr); + data[i + 2] = clamp0to255(481.816 - Y - 1.772 * Cb); + // K in data[i + 3] is unchanged + } + return data; + }, + + _convertCmykToRgb: function convertCmykToRgb(data) { + var c, m, y, k; + var offset = 0; + var min = -255 * 255 * 255; + var scale = 1 / 255 / 255; + for (var i = 0, length = data.length; i < length; i += 4) { + c = data[i]; + m = data[i + 1]; + y = data[i + 2]; + k = data[i + 3]; + + var r = + c * (-4.387332384609988 * c + 54.48615194189176 * m + + 18.82290502165302 * y + 212.25662451639585 * k - + 72734.4411664936) + + m * (1.7149763477362134 * m - 5.6096736904047315 * y - + 17.873870861415444 * k - 1401.7366389350734) + + y * (-2.5217340131683033 * y - 21.248923337353073 * k + + 4465.541406466231) - + k * (21.86122147463605 * k + 48317.86113160301); + var g = + c * (8.841041422036149 * c + 60.118027045597366 * m + + 6.871425592049007 * y + 31.159100130055922 * k - + 20220.756542821975) + + m * (-15.310361306967817 * m + 17.575251261109482 * y + + 131.35250912493976 * k - 48691.05921601825) + + y * (4.444339102852739 * y + 9.8632861493405 * k - + 6341.191035517494) - + k * (20.737325471181034 * k + 47890.15695978492); + var b = + c * (0.8842522430003296 * c + 8.078677503112928 * m + + 30.89978309703729 * y - 0.23883238689178934 * k - + 3616.812083916688) + + m * (10.49593273432072 * m + 63.02378494754052 * y + + 50.606957656360734 * k - 28620.90484698408) + + y * (0.03296041114873217 * y + 115.60384449646641 * k - + 49363.43385999684) - + k * (22.33816807309886 * k + 45932.16563550634); + + data[offset++] = r >= 0 ? 255 : r <= min ? 0 : 255 + r * scale | 0; + data[offset++] = g >= 0 ? 255 : g <= min ? 0 : 255 + g * scale | 0; + data[offset++] = b >= 0 ? 255 : b <= min ? 0 : 255 + b * scale | 0; + } + return data; + }, + + getData: function getData(width, height, forceRGBoutput) { + if (this.numComponents > 4) { + error('JPEG error: Unsupported color mode'); + } + // type of data: Uint8Array(width * height * numComponents) + var data = this._getLinearizedBlockData(width, height); + + if (this.numComponents === 1 && forceRGBoutput) { + var dataLength = data.length; + var rgbData = new Uint8Array(dataLength * 3); + var offset = 0; + for (var i = 0; i < dataLength; i++) { + var grayColor = data[i]; + rgbData[offset++] = grayColor; + rgbData[offset++] = grayColor; + rgbData[offset++] = grayColor; + } + return rgbData; + } else if (this.numComponents === 3 && this._isColorConversionNeeded()) { + return this._convertYccToRgb(data); + } else if (this.numComponents === 4) { + if (this._isColorConversionNeeded()) { + if (forceRGBoutput) { + return this._convertYcckToRgb(data); + } else { + return this._convertYcckToCmyk(data); + } + } else if (forceRGBoutput) { + return this._convertCmykToRgb(data); + } + } + return data; + } + }; + + return JpegImage; +})(); + +exports.JpegImage = JpegImage; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreJpx = {}), root.pdfjsSharedUtil, + root.pdfjsCoreArithmeticDecoder); + } +}(this, function (exports, sharedUtil, coreArithmeticDecoder) { + +var info = sharedUtil.info; +var warn = sharedUtil.warn; +var error = sharedUtil.error; +var log2 = sharedUtil.log2; +var readUint16 = sharedUtil.readUint16; +var readUint32 = sharedUtil.readUint32; +var ArithmeticDecoder = coreArithmeticDecoder.ArithmeticDecoder; + +var JpxImage = (function JpxImageClosure() { + // Table E.1 + var SubbandsGainLog2 = { + 'LL': 0, + 'LH': 1, + 'HL': 1, + 'HH': 2 + }; + function JpxImage() { + this.failOnCorruptedImage = false; + } + JpxImage.prototype = { + parse: function JpxImage_parse(data) { + + var head = readUint16(data, 0); + // No box header, immediate start of codestream (SOC) + if (head === 0xFF4F) { + this.parseCodestream(data, 0, data.length); + return; + } + + var position = 0, length = data.length; + while (position < length) { + var headerSize = 8; + var lbox = readUint32(data, position); + var tbox = readUint32(data, position + 4); + position += headerSize; + if (lbox === 1) { + // XLBox: read UInt64 according to spec. + // JavaScript's int precision of 53 bit should be sufficient here. + lbox = readUint32(data, position) * 4294967296 + + readUint32(data, position + 4); + position += 8; + headerSize += 8; + } + if (lbox === 0) { + lbox = length - position + headerSize; + } + if (lbox < headerSize) { + error('JPX Error: Invalid box field size'); + } + var dataLength = lbox - headerSize; + var jumpDataLength = true; + switch (tbox) { + case 0x6A703268: // 'jp2h' + jumpDataLength = false; // parsing child boxes + break; + case 0x636F6C72: // 'colr' + // Colorspaces are not used, the CS from the PDF is used. + var method = data[position]; + if (method === 1) { + // enumerated colorspace + var colorspace = readUint32(data, position + 3); + switch (colorspace) { + case 16: // this indicates a sRGB colorspace + case 17: // this indicates a grayscale colorspace + case 18: // this indicates a YUV colorspace + break; + default: + warn('Unknown colorspace ' + colorspace); + break; + } + } else if (method === 2) { + info('ICC profile not supported'); + } + break; + case 0x6A703263: // 'jp2c' + this.parseCodestream(data, position, position + dataLength); + break; + case 0x6A502020: // 'jP\024\024' + if (0x0d0a870a !== readUint32(data, position)) { + warn('Invalid JP2 signature'); + } + break; + // The following header types are valid but currently not used: + case 0x6A501A1A: // 'jP\032\032' + case 0x66747970: // 'ftyp' + case 0x72726571: // 'rreq' + case 0x72657320: // 'res ' + case 0x69686472: // 'ihdr' + break; + default: + var headerType = String.fromCharCode((tbox >> 24) & 0xFF, + (tbox >> 16) & 0xFF, + (tbox >> 8) & 0xFF, + tbox & 0xFF); + warn('Unsupported header type ' + tbox + ' (' + headerType + ')'); + break; + } + if (jumpDataLength) { + position += dataLength; + } + } + }, + parseImageProperties: function JpxImage_parseImageProperties(stream) { + var newByte = stream.getByte(); + while (newByte >= 0) { + var oldByte = newByte; + newByte = stream.getByte(); + var code = (oldByte << 8) | newByte; + // Image and tile size (SIZ) + if (code === 0xFF51) { + stream.skip(4); + var Xsiz = stream.getInt32() >>> 0; // Byte 4 + var Ysiz = stream.getInt32() >>> 0; // Byte 8 + var XOsiz = stream.getInt32() >>> 0; // Byte 12 + var YOsiz = stream.getInt32() >>> 0; // Byte 16 + stream.skip(16); + var Csiz = stream.getUint16(); // Byte 36 + this.width = Xsiz - XOsiz; + this.height = Ysiz - YOsiz; + this.componentsCount = Csiz; + // Results are always returned as Uint8Arrays + this.bitsPerComponent = 8; + return; + } + } + error('JPX Error: No size marker found in JPX stream'); + }, + parseCodestream: function JpxImage_parseCodestream(data, start, end) { + var context = {}; + var doNotRecover = false; + try { + var position = start; + while (position + 1 < end) { + var code = readUint16(data, position); + position += 2; + + var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; + switch (code) { + case 0xFF4F: // Start of codestream (SOC) + context.mainHeader = true; + break; + case 0xFFD9: // End of codestream (EOC) + break; + case 0xFF51: // Image and tile size (SIZ) + length = readUint16(data, position); + var siz = {}; + siz.Xsiz = readUint32(data, position + 4); + siz.Ysiz = readUint32(data, position + 8); + siz.XOsiz = readUint32(data, position + 12); + siz.YOsiz = readUint32(data, position + 16); + siz.XTsiz = readUint32(data, position + 20); + siz.YTsiz = readUint32(data, position + 24); + siz.XTOsiz = readUint32(data, position + 28); + siz.YTOsiz = readUint32(data, position + 32); + var componentsCount = readUint16(data, position + 36); + siz.Csiz = componentsCount; + var components = []; + j = position + 38; + for (var i = 0; i < componentsCount; i++) { + var component = { + precision: (data[j] & 0x7F) + 1, + isSigned: !!(data[j] & 0x80), + XRsiz: data[j + 1], + YRsiz: data[j + 1] + }; + calculateComponentDimensions(component, siz); + components.push(component); + } + context.SIZ = siz; + context.components = components; + calculateTileGrids(context, components); + context.QCC = []; + context.COC = []; + break; + case 0xFF5C: // Quantization default (QCD) + length = readUint16(data, position); + var qcd = {}; + j = position + 2; + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('Invalid SQcd value ' + sqcd); + } + qcd.noQuantization = (spqcdSize === 8); + qcd.scalarExpounded = scalarExpounded; + qcd.guardBits = sqcd >> 5; + spqcds = []; + while (j < length + position) { + var spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcd.SPqcds = spqcds; + if (context.mainHeader) { + context.QCD = qcd; + } else { + context.currentTile.QCD = qcd; + context.currentTile.QCC = []; + } + break; + case 0xFF5D: // Quantization component (QCC) + length = readUint16(data, position); + var qcc = {}; + j = position + 2; + var cqcc; + if (context.SIZ.Csiz < 257) { + cqcc = data[j++]; + } else { + cqcc = readUint16(data, j); + j += 2; + } + sqcd = data[j++]; + switch (sqcd & 0x1F) { + case 0: + spqcdSize = 8; + scalarExpounded = true; + break; + case 1: + spqcdSize = 16; + scalarExpounded = false; + break; + case 2: + spqcdSize = 16; + scalarExpounded = true; + break; + default: + throw new Error('Invalid SQcd value ' + sqcd); + } + qcc.noQuantization = (spqcdSize === 8); + qcc.scalarExpounded = scalarExpounded; + qcc.guardBits = sqcd >> 5; + spqcds = []; + while (j < (length + position)) { + spqcd = {}; + if (spqcdSize === 8) { + spqcd.epsilon = data[j++] >> 3; + spqcd.mu = 0; + } else { + spqcd.epsilon = data[j] >> 3; + spqcd.mu = ((data[j] & 0x7) << 8) | data[j + 1]; + j += 2; + } + spqcds.push(spqcd); + } + qcc.SPqcds = spqcds; + if (context.mainHeader) { + context.QCC[cqcc] = qcc; + } else { + context.currentTile.QCC[cqcc] = qcc; + } + break; + case 0xFF52: // Coding style default (COD) + length = readUint16(data, position); + var cod = {}; + j = position + 2; + var scod = data[j++]; + cod.entropyCoderWithCustomPrecincts = !!(scod & 1); + cod.sopMarkerUsed = !!(scod & 2); + cod.ephMarkerUsed = !!(scod & 4); + cod.progressionOrder = data[j++]; + cod.layersCount = readUint16(data, j); + j += 2; + cod.multipleComponentTransform = data[j++]; + + cod.decompositionLevelsCount = data[j++]; + cod.xcb = (data[j++] & 0xF) + 2; + cod.ycb = (data[j++] & 0xF) + 2; + var blockStyle = data[j++]; + cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1); + cod.resetContextProbabilities = !!(blockStyle & 2); + cod.terminationOnEachCodingPass = !!(blockStyle & 4); + cod.verticalyStripe = !!(blockStyle & 8); + cod.predictableTermination = !!(blockStyle & 16); + cod.segmentationSymbolUsed = !!(blockStyle & 32); + cod.reversibleTransformation = data[j++]; + if (cod.entropyCoderWithCustomPrecincts) { + var precinctsSizes = []; + while (j < length + position) { + var precinctsSize = data[j++]; + precinctsSizes.push({ + PPx: precinctsSize & 0xF, + PPy: precinctsSize >> 4 + }); + } + cod.precinctsSizes = precinctsSizes; + } + var unsupported = []; + if (cod.selectiveArithmeticCodingBypass) { + unsupported.push('selectiveArithmeticCodingBypass'); + } + if (cod.resetContextProbabilities) { + unsupported.push('resetContextProbabilities'); + } + if (cod.terminationOnEachCodingPass) { + unsupported.push('terminationOnEachCodingPass'); + } + if (cod.verticalyStripe) { + unsupported.push('verticalyStripe'); + } + if (cod.predictableTermination) { + unsupported.push('predictableTermination'); + } + if (unsupported.length > 0) { + doNotRecover = true; + throw new Error('Unsupported COD options (' + + unsupported.join(', ') + ')'); + } + if (context.mainHeader) { + context.COD = cod; + } else { + context.currentTile.COD = cod; + context.currentTile.COC = []; + } + break; + case 0xFF90: // Start of tile-part (SOT) + length = readUint16(data, position); + tile = {}; + tile.index = readUint16(data, position + 2); + tile.length = readUint32(data, position + 4); + tile.dataEnd = tile.length + position - 2; + tile.partIndex = data[position + 8]; + tile.partsCount = data[position + 9]; + + context.mainHeader = false; + if (tile.partIndex === 0) { + // reset component specific settings + tile.COD = context.COD; + tile.COC = context.COC.slice(0); // clone of the global COC + tile.QCD = context.QCD; + tile.QCC = context.QCC.slice(0); // clone of the global COC + } + context.currentTile = tile; + break; + case 0xFF93: // Start of data (SOD) + tile = context.currentTile; + if (tile.partIndex === 0) { + initializeTile(context, tile.index); + buildPackets(context); + } + + // moving to the end of the data + length = tile.dataEnd - position; + parseTilePackets(context, data, position, length); + break; + case 0xFF55: // Tile-part lengths, main header (TLM) + case 0xFF57: // Packet length, main header (PLM) + case 0xFF58: // Packet length, tile-part header (PLT) + case 0xFF64: // Comment (COM) + length = readUint16(data, position); + // skipping content + break; + case 0xFF53: // Coding style component (COC) + throw new Error('Codestream code 0xFF53 (COC) is ' + + 'not implemented'); + default: + throw new Error('Unknown codestream code: ' + code.toString(16)); + } + position += length; + } + } catch (e) { + if (doNotRecover || this.failOnCorruptedImage) { + error('JPX Error: ' + e.message); + } else { + warn('JPX: Trying to recover from: ' + e.message); + } + } + this.tiles = transformComponents(context); + this.width = context.SIZ.Xsiz - context.SIZ.XOsiz; + this.height = context.SIZ.Ysiz - context.SIZ.YOsiz; + this.componentsCount = context.SIZ.Csiz; + } + }; + function calculateComponentDimensions(component, siz) { + // Section B.2 Component mapping + component.x0 = Math.ceil(siz.XOsiz / component.XRsiz); + component.x1 = Math.ceil(siz.Xsiz / component.XRsiz); + component.y0 = Math.ceil(siz.YOsiz / component.YRsiz); + component.y1 = Math.ceil(siz.Ysiz / component.YRsiz); + component.width = component.x1 - component.x0; + component.height = component.y1 - component.y0; + } + function calculateTileGrids(context, components) { + var siz = context.SIZ; + // Section B.3 Division into tile and tile-components + var tile, tiles = []; + var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz); + var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz); + for (var q = 0; q < numYtiles; q++) { + for (var p = 0; p < numXtiles; p++) { + tile = {}; + tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz); + tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz); + tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz); + tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz); + tile.width = tile.tx1 - tile.tx0; + tile.height = tile.ty1 - tile.ty0; + tile.components = []; + tiles.push(tile); + } + } + context.tiles = tiles; + + var componentsCount = siz.Csiz; + for (var i = 0, ii = componentsCount; i < ii; i++) { + var component = components[i]; + for (var j = 0, jj = tiles.length; j < jj; j++) { + var tileComponent = {}; + tile = tiles[j]; + tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz); + tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz); + tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz); + tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz); + tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0; + tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0; + tile.components[i] = tileComponent; + } + } + } + function getBlocksDimensions(context, component, r) { + var codOrCoc = component.codingStyleParameters; + var result = {}; + if (!codOrCoc.entropyCoderWithCustomPrecincts) { + result.PPx = 15; + result.PPy = 15; + } else { + result.PPx = codOrCoc.precinctsSizes[r].PPx; + result.PPy = codOrCoc.precinctsSizes[r].PPy; + } + // calculate codeblock size as described in section B.7 + result.xcb_ = (r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : + Math.min(codOrCoc.xcb, result.PPx)); + result.ycb_ = (r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : + Math.min(codOrCoc.ycb, result.PPy)); + return result; + } + function buildPrecincts(context, resolution, dimensions) { + // Section B.6 Division resolution to precincts + var precinctWidth = 1 << dimensions.PPx; + var precinctHeight = 1 << dimensions.PPy; + // Jasper introduces codeblock groups for mapping each subband codeblocks + // to precincts. Precinct partition divides a resolution according to width + // and height parameters. The subband that belongs to the resolution level + // has a different size than the level, unless it is the zero resolution. + + // From Jasper documentation: jpeg2000.pdf, section K: Tier-2 coding: + // The precinct partitioning for a particular subband is derived from a + // partitioning of its parent LL band (i.e., the LL band at the next higher + // resolution level)... The LL band associated with each resolution level is + // divided into precincts... Each of the resulting precinct regions is then + // mapped into its child subbands (if any) at the next lower resolution + // level. This is accomplished by using the coordinate transformation + // (u, v) = (ceil(x/2), ceil(y/2)) where (x, y) and (u, v) are the + // coordinates of a point in the LL band and child subband, respectively. + var isZeroRes = resolution.resLevel === 0; + var precinctWidthInSubband = 1 << (dimensions.PPx + (isZeroRes ? 0 : -1)); + var precinctHeightInSubband = 1 << (dimensions.PPy + (isZeroRes ? 0 : -1)); + var numprecinctswide = (resolution.trx1 > resolution.trx0 ? + Math.ceil(resolution.trx1 / precinctWidth) - + Math.floor(resolution.trx0 / precinctWidth) : 0); + var numprecinctshigh = (resolution.try1 > resolution.try0 ? + Math.ceil(resolution.try1 / precinctHeight) - + Math.floor(resolution.try0 / precinctHeight) : 0); + var numprecincts = numprecinctswide * numprecinctshigh; + + resolution.precinctParameters = { + precinctWidth: precinctWidth, + precinctHeight: precinctHeight, + numprecinctswide: numprecinctswide, + numprecinctshigh: numprecinctshigh, + numprecincts: numprecincts, + precinctWidthInSubband: precinctWidthInSubband, + precinctHeightInSubband: precinctHeightInSubband + }; + } + function buildCodeblocks(context, subband, dimensions) { + // Section B.7 Division sub-band into code-blocks + var xcb_ = dimensions.xcb_; + var ycb_ = dimensions.ycb_; + var codeblockWidth = 1 << xcb_; + var codeblockHeight = 1 << ycb_; + var cbx0 = subband.tbx0 >> xcb_; + var cby0 = subband.tby0 >> ycb_; + var cbx1 = (subband.tbx1 + codeblockWidth - 1) >> xcb_; + var cby1 = (subband.tby1 + codeblockHeight - 1) >> ycb_; + var precinctParameters = subband.resolution.precinctParameters; + var codeblocks = []; + var precincts = []; + var i, j, codeblock, precinctNumber; + for (j = cby0; j < cby1; j++) { + for (i = cbx0; i < cbx1; i++) { + codeblock = { + cbx: i, + cby: j, + tbx0: codeblockWidth * i, + tby0: codeblockHeight * j, + tbx1: codeblockWidth * (i + 1), + tby1: codeblockHeight * (j + 1) + }; + + codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0); + codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0); + codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1); + codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1); + + // Calculate precinct number for this codeblock, codeblock position + // should be relative to its subband, use actual dimension and position + // See comment about codeblock group width and height + var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / + precinctParameters.precinctWidthInSubband); + var pj = Math.floor((codeblock.tby0_ - subband.tby0) / + precinctParameters.precinctHeightInSubband); + precinctNumber = pi + (pj * precinctParameters.numprecinctswide); + + codeblock.precinctNumber = precinctNumber; + codeblock.subbandType = subband.type; + codeblock.Lblock = 3; + + if (codeblock.tbx1_ <= codeblock.tbx0_ || + codeblock.tby1_ <= codeblock.tby0_) { + continue; + } + codeblocks.push(codeblock); + // building precinct for the sub-band + var precinct = precincts[precinctNumber]; + if (precinct !== undefined) { + if (i < precinct.cbxMin) { + precinct.cbxMin = i; + } else if (i > precinct.cbxMax) { + precinct.cbxMax = i; + } + if (j < precinct.cbyMin) { + precinct.cbxMin = j; + } else if (j > precinct.cbyMax) { + precinct.cbyMax = j; + } + } else { + precincts[precinctNumber] = precinct = { + cbxMin: i, + cbyMin: j, + cbxMax: i, + cbyMax: j + }; + } + codeblock.precinct = precinct; + } + } + subband.codeblockParameters = { + codeblockWidth: xcb_, + codeblockHeight: ycb_, + numcodeblockwide: cbx1 - cbx0 + 1, + numcodeblockhigh: cby1 - cby0 + 1 + }; + subband.codeblocks = codeblocks; + subband.precincts = precincts; + } + function createPacket(resolution, precinctNumber, layerNumber) { + var precinctCodeblocks = []; + // Section B.10.8 Order of info in packet + var subbands = resolution.subbands; + // sub-bands already ordered in 'LL', 'HL', 'LH', and 'HH' sequence + for (var i = 0, ii = subbands.length; i < ii; i++) { + var subband = subbands[i]; + var codeblocks = subband.codeblocks; + for (var j = 0, jj = codeblocks.length; j < jj; j++) { + var codeblock = codeblocks[j]; + if (codeblock.precinctNumber !== precinctNumber) { + continue; + } + precinctCodeblocks.push(codeblock); + } + } + return { + layerNumber: layerNumber, + codeblocks: precinctCodeblocks + }; + } + function LayerResolutionComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var l = 0, r = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.1 Layer-resolution-component-position + for (; l < layersCount; l++) { + for (; r <= maxDecompositionLevelsCount; r++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + r = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ResolutionLayerComponentPositionIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var maxDecompositionLevelsCount = 0; + for (var q = 0; q < componentsCount; q++) { + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + tile.components[q].codingStyleParameters.decompositionLevelsCount); + } + + var r = 0, l = 0, i = 0, k = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.2 Resolution-layer-component-position + for (; r <= maxDecompositionLevelsCount; r++) { + for (; l < layersCount; l++) { + for (; i < componentsCount; i++) { + var component = tile.components[i]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + for (; k < numprecincts;) { + var packet = createPacket(resolution, k, l); + k++; + return packet; + } + k = 0; + } + i = 0; + } + l = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ResolutionPositionComponentLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var l, r, c, p; + var maxDecompositionLevelsCount = 0; + for (c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, + component.codingStyleParameters.decompositionLevelsCount); + } + var maxNumPrecinctsInLevel = new Int32Array( + maxDecompositionLevelsCount + 1); + for (r = 0; r <= maxDecompositionLevelsCount; ++r) { + var maxNumPrecincts = 0; + for (c = 0; c < componentsCount; ++c) { + var resolutions = tile.components[c].resolutions; + if (r < resolutions.length) { + maxNumPrecincts = Math.max(maxNumPrecincts, + resolutions[r].precinctParameters.numprecincts); + } + } + maxNumPrecinctsInLevel[r] = maxNumPrecincts; + } + l = 0; + r = 0; + c = 0; + p = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.3 Resolution-position-component-layer + for (; r <= maxDecompositionLevelsCount; r++) { + for (; p < maxNumPrecinctsInLevel[r]; p++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + if (r > component.codingStyleParameters.decompositionLevelsCount) { + continue; + } + var resolution = component.resolutions[r]; + var numprecincts = resolution.precinctParameters.numprecincts; + if (p >= numprecincts) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, p, l); + l++; + return packet; + } + l = 0; + } + c = 0; + } + p = 0; + } + error('JPX Error: Out of packets'); + }; + } + function PositionComponentResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var precinctsIterationSizes = precinctsSizes; + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.4 Position-component-resolution-layer + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = + precinctsSizes.components[c].resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + c = 0; + } + px = 0; + } + error('JPX Error: Out of packets'); + }; + } + function ComponentPositionResolutionLayerIterator(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var layersCount = tile.codingStyleDefaultParameters.layersCount; + var componentsCount = siz.Csiz; + var precinctsSizes = getPrecinctSizesInImageScale(tile); + var l = 0, r = 0, c = 0, px = 0, py = 0; + + this.nextPacket = function JpxImage_nextPacket() { + // Section B.12.1.5 Component-position-resolution-layer + for (; c < componentsCount; ++c) { + var component = tile.components[c]; + var precinctsIterationSizes = precinctsSizes.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + for (; py < precinctsIterationSizes.maxNumHigh; py++) { + for (; px < precinctsIterationSizes.maxNumWide; px++) { + for (; r <= decompositionLevelsCount; r++) { + var resolution = component.resolutions[r]; + var sizeInImageScale = precinctsIterationSizes.resolutions[r]; + var k = getPrecinctIndexIfExist( + px, + py, + sizeInImageScale, + precinctsIterationSizes, + resolution); + if (k === null) { + continue; + } + for (; l < layersCount;) { + var packet = createPacket(resolution, k, l); + l++; + return packet; + } + l = 0; + } + r = 0; + } + px = 0; + } + py = 0; + } + error('JPX Error: Out of packets'); + }; + } + function getPrecinctIndexIfExist( + pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) { + var posX = pxIndex * precinctIterationSizes.minWidth; + var posY = pyIndex * precinctIterationSizes.minHeight; + if (posX % sizeInImageScale.width !== 0 || + posY % sizeInImageScale.height !== 0) { + return null; + } + var startPrecinctRowIndex = + (posY / sizeInImageScale.width) * + resolution.precinctParameters.numprecinctswide; + return (posX / sizeInImageScale.height) + startPrecinctRowIndex; + } + function getPrecinctSizesInImageScale(tile) { + var componentsCount = tile.components.length; + var minWidth = Number.MAX_VALUE; + var minHeight = Number.MAX_VALUE; + var maxNumWide = 0; + var maxNumHigh = 0; + var sizePerComponent = new Array(componentsCount); + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + var sizePerResolution = new Array(decompositionLevelsCount + 1); + var minWidthCurrentComponent = Number.MAX_VALUE; + var minHeightCurrentComponent = Number.MAX_VALUE; + var maxNumWideCurrentComponent = 0; + var maxNumHighCurrentComponent = 0; + var scale = 1; + for (var r = decompositionLevelsCount; r >= 0; --r) { + var resolution = component.resolutions[r]; + var widthCurrentResolution = + scale * resolution.precinctParameters.precinctWidth; + var heightCurrentResolution = + scale * resolution.precinctParameters.precinctHeight; + minWidthCurrentComponent = Math.min( + minWidthCurrentComponent, + widthCurrentResolution); + minHeightCurrentComponent = Math.min( + minHeightCurrentComponent, + heightCurrentResolution); + maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, + resolution.precinctParameters.numprecinctswide); + maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, + resolution.precinctParameters.numprecinctshigh); + sizePerResolution[r] = { + width: widthCurrentResolution, + height: heightCurrentResolution + }; + scale <<= 1; + } + minWidth = Math.min(minWidth, minWidthCurrentComponent); + minHeight = Math.min(minHeight, minHeightCurrentComponent); + maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent); + maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent); + sizePerComponent[c] = { + resolutions: sizePerResolution, + minWidth: minWidthCurrentComponent, + minHeight: minHeightCurrentComponent, + maxNumWide: maxNumWideCurrentComponent, + maxNumHigh: maxNumHighCurrentComponent + }; + } + return { + components: sizePerComponent, + minWidth: minWidth, + minHeight: minHeight, + maxNumWide: maxNumWide, + maxNumHigh: maxNumHigh + }; + } + function buildPackets(context) { + var siz = context.SIZ; + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var componentsCount = siz.Csiz; + // Creating resolutions and sub-bands for each component + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var decompositionLevelsCount = + component.codingStyleParameters.decompositionLevelsCount; + // Section B.5 Resolution levels and sub-bands + var resolutions = []; + var subbands = []; + for (var r = 0; r <= decompositionLevelsCount; r++) { + var blocksDimensions = getBlocksDimensions(context, component, r); + var resolution = {}; + var scale = 1 << (decompositionLevelsCount - r); + resolution.trx0 = Math.ceil(component.tcx0 / scale); + resolution.try0 = Math.ceil(component.tcy0 / scale); + resolution.trx1 = Math.ceil(component.tcx1 / scale); + resolution.try1 = Math.ceil(component.tcy1 / scale); + resolution.resLevel = r; + buildPrecincts(context, resolution, blocksDimensions); + resolutions.push(resolution); + + var subband; + if (r === 0) { + // one sub-band (LL) with last decomposition + subband = {}; + subband.type = 'LL'; + subband.tbx0 = Math.ceil(component.tcx0 / scale); + subband.tby0 = Math.ceil(component.tcy0 / scale); + subband.tbx1 = Math.ceil(component.tcx1 / scale); + subband.tby1 = Math.ceil(component.tcy1 / scale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolution.subbands = [subband]; + } else { + var bscale = 1 << (decompositionLevelsCount - r + 1); + var resolutionSubbands = []; + // three sub-bands (HL, LH and HH) with rest of decompositions + subband = {}; + subband.type = 'HL'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'LH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + subband = {}; + subband.type = 'HH'; + subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5); + subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5); + subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5); + subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5); + subband.resolution = resolution; + buildCodeblocks(context, subband, blocksDimensions); + subbands.push(subband); + resolutionSubbands.push(subband); + + resolution.subbands = resolutionSubbands; + } + } + component.resolutions = resolutions; + component.subbands = subbands; + } + // Generate the packets sequence + var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder; + switch (progressionOrder) { + case 0: + tile.packetsIterator = + new LayerResolutionComponentPositionIterator(context); + break; + case 1: + tile.packetsIterator = + new ResolutionLayerComponentPositionIterator(context); + break; + case 2: + tile.packetsIterator = + new ResolutionPositionComponentLayerIterator(context); + break; + case 3: + tile.packetsIterator = + new PositionComponentResolutionLayerIterator(context); + break; + case 4: + tile.packetsIterator = + new ComponentPositionResolutionLayerIterator(context); + break; + default: + error('JPX Error: Unsupported progression order ' + progressionOrder); + } + } + function parseTilePackets(context, data, offset, dataLength) { + var position = 0; + var buffer, bufferSize = 0, skipNextBit = false; + function readBits(count) { + while (bufferSize < count) { + var b = data[offset + position]; + position++; + if (skipNextBit) { + buffer = (buffer << 7) | b; + bufferSize += 7; + skipNextBit = false; + } else { + buffer = (buffer << 8) | b; + bufferSize += 8; + } + if (b === 0xFF) { + skipNextBit = true; + } + } + bufferSize -= count; + return (buffer >>> bufferSize) & ((1 << count) - 1); + } + function skipMarkerIfEqual(value) { + if (data[offset + position - 1] === 0xFF && + data[offset + position] === value) { + skipBytes(1); + return true; + } else if (data[offset + position] === 0xFF && + data[offset + position + 1] === value) { + skipBytes(2); + return true; + } + return false; + } + function skipBytes(count) { + position += count; + } + function alignToByte() { + bufferSize = 0; + if (skipNextBit) { + position++; + skipNextBit = false; + } + } + function readCodingpasses() { + if (readBits(1) === 0) { + return 1; + } + if (readBits(1) === 0) { + return 2; + } + var value = readBits(2); + if (value < 3) { + return value + 3; + } + value = readBits(5); + if (value < 31) { + return value + 6; + } + value = readBits(7); + return value + 37; + } + var tileIndex = context.currentTile.index; + var tile = context.tiles[tileIndex]; + var sopMarkerUsed = context.COD.sopMarkerUsed; + var ephMarkerUsed = context.COD.ephMarkerUsed; + var packetsIterator = tile.packetsIterator; + while (position < dataLength) { + alignToByte(); + if (sopMarkerUsed && skipMarkerIfEqual(0x91)) { + // Skip also marker segment length and packet sequence ID + skipBytes(4); + } + var packet = packetsIterator.nextPacket(); + if (!readBits(1)) { + continue; + } + var layerNumber = packet.layerNumber; + var queue = [], codeblock; + for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) { + codeblock = packet.codeblocks[i]; + var precinct = codeblock.precinct; + var codeblockColumn = codeblock.cbx - precinct.cbxMin; + var codeblockRow = codeblock.cby - precinct.cbyMin; + var codeblockIncluded = false; + var firstTimeInclusion = false; + var valueReady; + if (codeblock['included'] !== undefined) { + codeblockIncluded = !!readBits(1); + } else { + // reading inclusion tree + precinct = codeblock.precinct; + var inclusionTree, zeroBitPlanesTree; + if (precinct['inclusionTree'] !== undefined) { + inclusionTree = precinct.inclusionTree; + } else { + // building inclusion and zero bit-planes trees + var width = precinct.cbxMax - precinct.cbxMin + 1; + var height = precinct.cbyMax - precinct.cbyMin + 1; + inclusionTree = new InclusionTree(width, height, layerNumber); + zeroBitPlanesTree = new TagTree(width, height); + precinct.inclusionTree = inclusionTree; + precinct.zeroBitPlanesTree = zeroBitPlanesTree; + } + + if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) { + while (true) { + if (readBits(1)) { + valueReady = !inclusionTree.nextLevel(); + if (valueReady) { + codeblock.included = true; + codeblockIncluded = firstTimeInclusion = true; + break; + } + } else { + inclusionTree.incrementValue(layerNumber); + break; + } + } + } + } + if (!codeblockIncluded) { + continue; + } + if (firstTimeInclusion) { + zeroBitPlanesTree = precinct.zeroBitPlanesTree; + zeroBitPlanesTree.reset(codeblockColumn, codeblockRow); + while (true) { + if (readBits(1)) { + valueReady = !zeroBitPlanesTree.nextLevel(); + if (valueReady) { + break; + } + } else { + zeroBitPlanesTree.incrementValue(); + } + } + codeblock.zeroBitPlanes = zeroBitPlanesTree.value; + } + var codingpasses = readCodingpasses(); + while (readBits(1)) { + codeblock.Lblock++; + } + var codingpassesLog2 = log2(codingpasses); + // rounding down log2 + var bits = ((codingpasses < (1 << codingpassesLog2)) ? + codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock; + var codedDataLength = readBits(bits); + queue.push({ + codeblock: codeblock, + codingpasses: codingpasses, + dataLength: codedDataLength + }); + } + alignToByte(); + if (ephMarkerUsed) { + skipMarkerIfEqual(0x92); + } + while (queue.length > 0) { + var packetItem = queue.shift(); + codeblock = packetItem.codeblock; + if (codeblock['data'] === undefined) { + codeblock.data = []; + } + codeblock.data.push({ + data: data, + start: offset + position, + end: offset + position + packetItem.dataLength, + codingpasses: packetItem.codingpasses + }); + position += packetItem.dataLength; + } + } + return position; + } + function copyCoefficients(coefficients, levelWidth, levelHeight, subband, + delta, mb, reversible, segmentationSymbolUsed) { + var x0 = subband.tbx0; + var y0 = subband.tby0; + var width = subband.tbx1 - subband.tbx0; + var codeblocks = subband.codeblocks; + var right = subband.type.charAt(0) === 'H' ? 1 : 0; + var bottom = subband.type.charAt(1) === 'H' ? levelWidth : 0; + + for (var i = 0, ii = codeblocks.length; i < ii; ++i) { + var codeblock = codeblocks[i]; + var blockWidth = codeblock.tbx1_ - codeblock.tbx0_; + var blockHeight = codeblock.tby1_ - codeblock.tby0_; + if (blockWidth === 0 || blockHeight === 0) { + continue; + } + if (codeblock['data'] === undefined) { + continue; + } + + var bitModel, currentCodingpassType; + bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, + codeblock.zeroBitPlanes, mb); + currentCodingpassType = 2; // first bit plane starts from cleanup + + // collect data + var data = codeblock.data, totalLength = 0, codingpasses = 0; + var j, jj, dataItem; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + totalLength += dataItem.end - dataItem.start; + codingpasses += dataItem.codingpasses; + } + var encodedData = new Uint8Array(totalLength); + var position = 0; + for (j = 0, jj = data.length; j < jj; j++) { + dataItem = data[j]; + var chunk = dataItem.data.subarray(dataItem.start, dataItem.end); + encodedData.set(chunk, position); + position += chunk.length; + } + // decoding the item + var decoder = new ArithmeticDecoder(encodedData, 0, totalLength); + bitModel.setDecoder(decoder); + + for (j = 0; j < codingpasses; j++) { + switch (currentCodingpassType) { + case 0: + bitModel.runSignificancePropagationPass(); + break; + case 1: + bitModel.runMagnitudeRefinementPass(); + break; + case 2: + bitModel.runCleanupPass(); + if (segmentationSymbolUsed) { + bitModel.checkSegmentationSymbol(); + } + break; + } + currentCodingpassType = (currentCodingpassType + 1) % 3; + } + + var offset = (codeblock.tbx0_ - x0) + (codeblock.tby0_ - y0) * width; + var sign = bitModel.coefficentsSign; + var magnitude = bitModel.coefficentsMagnitude; + var bitsDecoded = bitModel.bitsDecoded; + var magnitudeCorrection = reversible ? 0 : 0.5; + var k, n, nb; + position = 0; + // Do the interleaving of Section F.3.3 here, so we do not need + // to copy later. LL level is not interleaved, just copied. + var interleave = (subband.type !== 'LL'); + for (j = 0; j < blockHeight; j++) { + var row = (offset / width) | 0; // row in the non-interleaved subband + var levelOffset = 2 * row * (levelWidth - width) + right + bottom; + for (k = 0; k < blockWidth; k++) { + n = magnitude[position]; + if (n !== 0) { + n = (n + magnitudeCorrection) * delta; + if (sign[position] !== 0) { + n = -n; + } + nb = bitsDecoded[position]; + var pos = interleave ? (levelOffset + (offset << 1)) : offset; + if (reversible && (nb >= mb)) { + coefficients[pos] = n; + } else { + coefficients[pos] = n * (1 << (mb - nb)); + } + } + offset++; + position++; + } + offset += width - blockWidth; + } + } + } + function transformTile(context, tile, c) { + var component = tile.components[c]; + var codingStyleParameters = component.codingStyleParameters; + var quantizationParameters = component.quantizationParameters; + var decompositionLevelsCount = + codingStyleParameters.decompositionLevelsCount; + var spqcds = quantizationParameters.SPqcds; + var scalarExpounded = quantizationParameters.scalarExpounded; + var guardBits = quantizationParameters.guardBits; + var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed; + var precision = context.components[c].precision; + + var reversible = codingStyleParameters.reversibleTransformation; + var transform = (reversible ? new ReversibleTransform() : + new IrreversibleTransform()); + + var subbandCoefficients = []; + var b = 0; + for (var i = 0; i <= decompositionLevelsCount; i++) { + var resolution = component.resolutions[i]; + + var width = resolution.trx1 - resolution.trx0; + var height = resolution.try1 - resolution.try0; + // Allocate space for the whole sublevel. + var coefficients = new Float32Array(width * height); + + for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { + var mu, epsilon; + if (!scalarExpounded) { + // formula E-5 + mu = spqcds[0].mu; + epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0); + } else { + mu = spqcds[b].mu; + epsilon = spqcds[b].epsilon; + b++; + } + + var subband = resolution.subbands[j]; + var gainLog2 = SubbandsGainLog2[subband.type]; + + // calculate quantization coefficient (Section E.1.1.1) + var delta = (reversible ? 1 : + Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048)); + var mb = (guardBits + epsilon - 1); + + // In the first resolution level, copyCoefficients will fill the + // whole array with coefficients. In the succeeding passes, + // copyCoefficients will consecutively fill in the values that belong + // to the interleaved positions of the HL, LH, and HH coefficients. + // The LL coefficients will then be interleaved in Transform.iterate(). + copyCoefficients(coefficients, width, height, subband, delta, mb, + reversible, segmentationSymbolUsed); + } + subbandCoefficients.push({ + width: width, + height: height, + items: coefficients + }); + } + + var result = transform.calculate(subbandCoefficients, + component.tcx0, component.tcy0); + return { + left: component.tcx0, + top: component.tcy0, + width: result.width, + height: result.height, + items: result.items + }; + } + function transformComponents(context) { + var siz = context.SIZ; + var components = context.components; + var componentsCount = siz.Csiz; + var resultImages = []; + for (var i = 0, ii = context.tiles.length; i < ii; i++) { + var tile = context.tiles[i]; + var transformedTiles = []; + var c; + for (c = 0; c < componentsCount; c++) { + transformedTiles[c] = transformTile(context, tile, c); + } + var tile0 = transformedTiles[0]; + var out = new Uint8Array(tile0.items.length * componentsCount); + var result = { + left: tile0.left, + top: tile0.top, + width: tile0.width, + height: tile0.height, + items: out + }; + + // Section G.2.2 Inverse multi component transform + var shift, offset, max, min, maxK; + var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val; + if (tile.codingStyleDefaultParameters.multipleComponentTransform) { + var fourComponents = componentsCount === 4; + var y0items = transformedTiles[0].items; + var y1items = transformedTiles[1].items; + var y2items = transformedTiles[2].items; + var y3items = fourComponents ? transformedTiles[3].items : null; + + // HACK: The multiple component transform formulas below assume that + // all components have the same precision. With this in mind, we + // compute shift and offset only once. + shift = components[0].precision - 8; + offset = (128 << shift) + 0.5; + max = 255 * (1 << shift); + maxK = max * 0.5; + min = -maxK; + + var component0 = tile.components[0]; + var alpha01 = componentsCount - 3; + jj = y0items.length; + if (!component0.codingStyleParameters.reversibleTransformation) { + // inverse irreversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + r = y0 + 1.402 * y2; + g = y0 - 0.34413 * y1 - 0.71414 * y2; + b = y0 + 1.772 * y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } else { + // inverse reversible multiple component transform + for (j = 0; j < jj; j++, pos += alpha01) { + y0 = y0items[j] + offset; + y1 = y1items[j]; + y2 = y2items[j]; + g = y0 - ((y2 + y1) >> 2); + r = g + y2; + b = g + y1; + out[pos++] = r <= 0 ? 0 : r >= max ? 255 : r >> shift; + out[pos++] = g <= 0 ? 0 : g >= max ? 255 : g >> shift; + out[pos++] = b <= 0 ? 0 : b >= max ? 255 : b >> shift; + } + } + if (fourComponents) { + for (j = 0, pos = 3; j < jj; j++, pos += 4) { + k = y3items[j]; + out[pos] = k <= min ? 0 : k >= maxK ? 255 : (k + offset) >> shift; + } + } + } else { // no multi-component transform + for (c = 0; c < componentsCount; c++) { + var items = transformedTiles[c].items; + shift = components[c].precision - 8; + offset = (128 << shift) + 0.5; + max = (127.5 * (1 << shift)); + min = -max; + for (pos = c, j = 0, jj = items.length; j < jj; j++) { + val = items[j]; + out[pos] = val <= min ? 0 : + val >= max ? 255 : (val + offset) >> shift; + pos += componentsCount; + } + } + } + resultImages.push(result); + } + return resultImages; + } + function initializeTile(context, tileIndex) { + var siz = context.SIZ; + var componentsCount = siz.Csiz; + var tile = context.tiles[tileIndex]; + for (var c = 0; c < componentsCount; c++) { + var component = tile.components[c]; + var qcdOrQcc = (context.currentTile.QCC[c] !== undefined ? + context.currentTile.QCC[c] : context.currentTile.QCD); + component.quantizationParameters = qcdOrQcc; + var codOrCoc = (context.currentTile.COC[c] !== undefined ? + context.currentTile.COC[c] : context.currentTile.COD); + component.codingStyleParameters = codOrCoc; + } + tile.codingStyleDefaultParameters = context.currentTile.COD; + } + + // Section B.10.2 Tag trees + var TagTree = (function TagTreeClosure() { + function TagTree(width, height) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var level = { + width: width, + height: height, + items: [] + }; + this.levels.push(level); + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + TagTree.prototype = { + reset: function TagTree_reset(i, j) { + var currentLevel = 0, value = 0, level; + while (currentLevel < this.levels.length) { + level = this.levels[currentLevel]; + var index = i + j * level.width; + if (level.items[index] !== undefined) { + value = level.items[index]; + break; + } + level.index = index; + i >>= 1; + j >>= 1; + currentLevel++; + } + currentLevel--; + level = this.levels[currentLevel]; + level.items[level.index] = value; + this.currentLevel = currentLevel; + delete this.value; + }, + incrementValue: function TagTree_incrementValue() { + var level = this.levels[this.currentLevel]; + level.items[level.index]++; + }, + nextLevel: function TagTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + currentLevel--; + if (currentLevel < 0) { + this.value = value; + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return TagTree; + })(); + + var InclusionTree = (function InclusionTreeClosure() { + function InclusionTree(width, height, defaultValue) { + var levelsLength = log2(Math.max(width, height)) + 1; + this.levels = []; + for (var i = 0; i < levelsLength; i++) { + var items = new Uint8Array(width * height); + for (var j = 0, jj = items.length; j < jj; j++) { + items[j] = defaultValue; + } + + var level = { + width: width, + height: height, + items: items + }; + this.levels.push(level); + + width = Math.ceil(width / 2); + height = Math.ceil(height / 2); + } + } + InclusionTree.prototype = { + reset: function InclusionTree_reset(i, j, stopValue) { + var currentLevel = 0; + while (currentLevel < this.levels.length) { + var level = this.levels[currentLevel]; + var index = i + j * level.width; + level.index = index; + var value = level.items[index]; + + if (value === 0xFF) { + break; + } + + if (value > stopValue) { + this.currentLevel = currentLevel; + // already know about this one, propagating the value to top levels + this.propagateValues(); + return false; + } + + i >>= 1; + j >>= 1; + currentLevel++; + } + this.currentLevel = currentLevel - 1; + return true; + }, + incrementValue: function InclusionTree_incrementValue(stopValue) { + var level = this.levels[this.currentLevel]; + level.items[level.index] = stopValue + 1; + this.propagateValues(); + }, + propagateValues: function InclusionTree_propagateValues() { + var levelIndex = this.currentLevel; + var level = this.levels[levelIndex]; + var currentValue = level.items[level.index]; + while (--levelIndex >= 0) { + level = this.levels[levelIndex]; + level.items[level.index] = currentValue; + } + }, + nextLevel: function InclusionTree_nextLevel() { + var currentLevel = this.currentLevel; + var level = this.levels[currentLevel]; + var value = level.items[level.index]; + level.items[level.index] = 0xFF; + currentLevel--; + if (currentLevel < 0) { + return false; + } + + this.currentLevel = currentLevel; + level = this.levels[currentLevel]; + level.items[level.index] = value; + return true; + } + }; + return InclusionTree; + })(); + + // Section D. Coefficient bit modeling + var BitModel = (function BitModelClosure() { + var UNIFORM_CONTEXT = 17; + var RUNLENGTH_CONTEXT = 18; + // Table D-1 + // The index is binary presentation: 0dddvvhh, ddd - sum of Di (0..4), + // vv - sum of Vi (0..2), and hh - sum of Hi (0..2) + var LLAndLHContextsLabel = new Uint8Array([ + 0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, + 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, + 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8 + ]); + var HLContextLabel = new Uint8Array([ + 0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, + 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, + 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8 + ]); + var HHContextLabel = new Uint8Array([ + 0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, + 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, + 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8 + ]); + + function BitModel(width, height, subband, zeroBitPlanes, mb) { + this.width = width; + this.height = height; + + this.contextLabelTable = (subband === 'HH' ? HHContextLabel : + (subband === 'HL' ? HLContextLabel : LLAndLHContextsLabel)); + + var coefficientCount = width * height; + + // coefficients outside the encoding region treated as insignificant + // add border state cells for significanceState + this.neighborsSignificance = new Uint8Array(coefficientCount); + this.coefficentsSign = new Uint8Array(coefficientCount); + this.coefficentsMagnitude = mb > 14 ? new Uint32Array(coefficientCount) : + mb > 6 ? new Uint16Array(coefficientCount) : + new Uint8Array(coefficientCount); + this.processingFlags = new Uint8Array(coefficientCount); + + var bitsDecoded = new Uint8Array(coefficientCount); + if (zeroBitPlanes !== 0) { + for (var i = 0; i < coefficientCount; i++) { + bitsDecoded[i] = zeroBitPlanes; + } + } + this.bitsDecoded = bitsDecoded; + + this.reset(); + } + + BitModel.prototype = { + setDecoder: function BitModel_setDecoder(decoder) { + this.decoder = decoder; + }, + reset: function BitModel_reset() { + // We have 17 contexts that are accessed via context labels, + // plus the uniform and runlength context. + this.contexts = new Int8Array(19); + + // Contexts are packed into 1 byte: + // highest 7 bits carry the index, lowest bit carries mps + this.contexts[0] = (4 << 1) | 0; + this.contexts[UNIFORM_CONTEXT] = (46 << 1) | 0; + this.contexts[RUNLENGTH_CONTEXT] = (3 << 1) | 0; + }, + setNeighborsSignificance: + function BitModel_setNeighborsSignificance(row, column, index) { + var neighborsSignificance = this.neighborsSignificance; + var width = this.width, height = this.height; + var left = (column > 0); + var right = (column + 1 < width); + var i; + + if (row > 0) { + i = index - width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (row + 1 < height) { + i = index + width; + if (left) { + neighborsSignificance[i - 1] += 0x10; + } + if (right) { + neighborsSignificance[i + 1] += 0x10; + } + neighborsSignificance[i] += 0x04; + } + + if (left) { + neighborsSignificance[index - 1] += 0x01; + } + if (right) { + neighborsSignificance[index + 1] += 0x01; + } + neighborsSignificance[index] |= 0x80; + }, + runSignificancePropagationPass: + function BitModel_runSignificancePropagationPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var neighborsSignificance = this.neighborsSignificance; + var processingFlags = this.processingFlags; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processedInverseMask = ~1; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + + for (var i0 = 0; i0 < height; i0 += 4) { + for (var j = 0; j < width; j++) { + var index = i0 * width + j; + for (var i1 = 0; i1 < 4; i1++, index += width) { + var i = i0 + i1; + if (i >= height) { + break; + } + // clear processed flag first + processingFlags[index] &= processedInverseMask; + + if (coefficentsMagnitude[index] || + !neighborsSignificance[index]) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision) { + var sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + decodeSignBit: function BitModel_decodeSignBit(row, column, index) { + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contribution, sign0, sign1, significance1; + var contextLabel, decoded; + + // calculate horizontal contribution + significance1 = (column > 0 && coefficentsMagnitude[index - 1] !== 0); + if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) { + sign1 = coefficentsSign[index + 1]; + if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign1 - sign0; + } else { + contribution = 1 - sign1 - sign1; + } + } else if (significance1) { + sign0 = coefficentsSign[index - 1]; + contribution = 1 - sign0 - sign0; + } else { + contribution = 0; + } + var horizontalContribution = 3 * contribution; + + // calculate vertical contribution and combine with the horizontal + significance1 = (row > 0 && coefficentsMagnitude[index - width] !== 0); + if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) { + sign1 = coefficentsSign[index + width]; + if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign1 - sign0 + horizontalContribution; + } else { + contribution = 1 - sign1 - sign1 + horizontalContribution; + } + } else if (significance1) { + sign0 = coefficentsSign[index - width]; + contribution = 1 - sign0 - sign0 + horizontalContribution; + } else { + contribution = horizontalContribution; + } + + if (contribution >= 0) { + contextLabel = 9 + contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel); + } else { + contextLabel = 9 - contribution; + decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1; + } + return decoded; + }, + runMagnitudeRefinementPass: + function BitModel_runMagnitudeRefinementPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var coefficentsMagnitude = this.coefficentsMagnitude; + var neighborsSignificance = this.neighborsSignificance; + var contexts = this.contexts; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var length = width * height; + var width4 = width * 4; + + for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) { + indexNext = Math.min(length, index0 + width4); + for (var j = 0; j < width; j++) { + for (var index = index0 + j; index < indexNext; index += width) { + + // significant but not those that have just become + if (!coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = 16; + if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { + processingFlags[index] ^= firstMagnitudeBitMask; + // first refinement + var significance = neighborsSignificance[index] & 127; + contextLabel = significance === 0 ? 15 : 14; + } + + var bit = decoder.readBit(contexts, contextLabel); + coefficentsMagnitude[index] = + (coefficentsMagnitude[index] << 1) | bit; + bitsDecoded[index]++; + processingFlags[index] |= processedMask; + } + } + } + }, + runCleanupPass: function BitModel_runCleanupPass() { + var decoder = this.decoder; + var width = this.width, height = this.height; + var neighborsSignificance = this.neighborsSignificance; + var coefficentsMagnitude = this.coefficentsMagnitude; + var coefficentsSign = this.coefficentsSign; + var contexts = this.contexts; + var labels = this.contextLabelTable; + var bitsDecoded = this.bitsDecoded; + var processingFlags = this.processingFlags; + var processedMask = 1; + var firstMagnitudeBitMask = 2; + var oneRowDown = width; + var twoRowsDown = width * 2; + var threeRowsDown = width * 3; + var iNext; + for (var i0 = 0; i0 < height; i0 = iNext) { + iNext = Math.min(i0 + 4, height); + var indexBase = i0 * width; + var checkAllEmpty = i0 + 3 < height; + for (var j = 0; j < width; j++) { + var index0 = indexBase + j; + // using the property: labels[neighborsSignificance[index]] === 0 + // when neighborsSignificance[index] === 0 + var allEmpty = (checkAllEmpty && + processingFlags[index0] === 0 && + processingFlags[index0 + oneRowDown] === 0 && + processingFlags[index0 + twoRowsDown] === 0 && + processingFlags[index0 + threeRowsDown] === 0 && + neighborsSignificance[index0] === 0 && + neighborsSignificance[index0 + oneRowDown] === 0 && + neighborsSignificance[index0 + twoRowsDown] === 0 && + neighborsSignificance[index0 + threeRowsDown] === 0); + var i1 = 0, index = index0; + var i = i0, sign; + if (allEmpty) { + var hasSignificantCoefficent = + decoder.readBit(contexts, RUNLENGTH_CONTEXT); + if (!hasSignificantCoefficent) { + bitsDecoded[index0]++; + bitsDecoded[index0 + oneRowDown]++; + bitsDecoded[index0 + twoRowsDown]++; + bitsDecoded[index0 + threeRowsDown]++; + continue; // next column + } + i1 = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (i1 !== 0) { + i = i0 + i1; + index += i1 * width; + } + + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + + index = index0; + for (var i2 = i0; i2 <= i; i2++, index += width) { + bitsDecoded[index]++; + } + + i1++; + } + for (i = i0 + i1; i < iNext; i++, index += width) { + if (coefficentsMagnitude[index] || + (processingFlags[index] & processedMask) !== 0) { + continue; + } + + var contextLabel = labels[neighborsSignificance[index]]; + var decision = decoder.readBit(contexts, contextLabel); + if (decision === 1) { + sign = this.decodeSignBit(i, j, index); + coefficentsSign[index] = sign; + coefficentsMagnitude[index] = 1; + this.setNeighborsSignificance(i, j, index); + processingFlags[index] |= firstMagnitudeBitMask; + } + bitsDecoded[index]++; + } + } + } + }, + checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() { + var decoder = this.decoder; + var contexts = this.contexts; + var symbol = (decoder.readBit(contexts, UNIFORM_CONTEXT) << 3) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 2) | + (decoder.readBit(contexts, UNIFORM_CONTEXT) << 1) | + decoder.readBit(contexts, UNIFORM_CONTEXT); + if (symbol !== 0xA) { + error('JPX Error: Invalid segmentation symbol'); + } + } + }; + + return BitModel; + })(); + + // Section F, Discrete wavelet transformation + var Transform = (function TransformClosure() { + function Transform() {} + + Transform.prototype.calculate = + function transformCalculate(subbands, u0, v0) { + var ll = subbands[0]; + for (var i = 1, ii = subbands.length; i < ii; i++) { + ll = this.iterate(ll, subbands[i], u0, v0); + } + return ll; + }; + Transform.prototype.extend = function extend(buffer, offset, size) { + // Section F.3.7 extending... using max extension of 4 + var i1 = offset - 1, j1 = offset + 1; + var i2 = offset + size - 2, j2 = offset + size; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1--] = buffer[j1++]; + buffer[j2++] = buffer[i2--]; + buffer[i1] = buffer[j1]; + buffer[j2] = buffer[i2]; + }; + Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, + u0, v0) { + var llWidth = ll.width, llHeight = ll.height, llItems = ll.items; + var width = hl_lh_hh.width; + var height = hl_lh_hh.height; + var items = hl_lh_hh.items; + var i, j, k, l, u, v; + + // Interleave LL according to Section F.3.3 + for (k = 0, i = 0; i < llHeight; i++) { + l = i * 2 * width; + for (j = 0; j < llWidth; j++, k++, l += 2) { + items[l] = llItems[k]; + } + } + // The LL band is not needed anymore. + llItems = ll.items = null; + + var bufferPadding = 4; + var rowBuffer = new Float32Array(width + 2 * bufferPadding); + + // Section F.3.4 HOR_SR + if (width === 1) { + // if width = 1, when u0 even keep items as is, when odd divide by 2 + if ((u0 & 1) !== 0) { + for (v = 0, k = 0; v < height; v++, k += width) { + items[k] *= 0.5; + } + } + } else { + for (v = 0, k = 0; v < height; v++, k += width) { + rowBuffer.set(items.subarray(k, k + width), bufferPadding); + + this.extend(rowBuffer, bufferPadding, width); + this.filter(rowBuffer, bufferPadding, width); + + items.set( + rowBuffer.subarray(bufferPadding, bufferPadding + width), + k); + } + } + + // Accesses to the items array can take long, because it may not fit into + // CPU cache and has to be fetched from main memory. Since subsequent + // accesses to the items array are not local when reading columns, we + // have a cache miss every time. To reduce cache misses, get up to + // 'numBuffers' items at a time and store them into the individual + // buffers. The colBuffers should be small enough to fit into CPU cache. + var numBuffers = 16; + var colBuffers = []; + for (i = 0; i < numBuffers; i++) { + colBuffers.push(new Float32Array(height + 2 * bufferPadding)); + } + var b, currentBuffer = 0; + ll = bufferPadding + height; + + // Section F.3.5 VER_SR + if (height === 1) { + // if height = 1, when v0 even keep items as is, when odd divide by 2 + if ((v0 & 1) !== 0) { + for (u = 0; u < width; u++) { + items[u] *= 0.5; + } + } + } else { + for (u = 0; u < width; u++) { + // if we ran out of buffers, copy several image columns at once + if (currentBuffer === 0) { + numBuffers = Math.min(width - u, numBuffers); + for (k = u, l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + colBuffers[b][l] = items[k + b]; + } + } + currentBuffer = numBuffers; + } + + currentBuffer--; + var buffer = colBuffers[currentBuffer]; + this.extend(buffer, bufferPadding, height); + this.filter(buffer, bufferPadding, height); + + // If this is last buffer in this group of buffers, flush all buffers. + if (currentBuffer === 0) { + k = u - numBuffers + 1; + for (l = bufferPadding; l < ll; k += width, l++) { + for (b = 0; b < numBuffers; b++) { + items[k + b] = colBuffers[b][l]; + } + } + } + } + } + + return { + width: width, + height: height, + items: items + }; + }; + return Transform; + })(); + + // Section 3.8.2 Irreversible 9-7 filter + var IrreversibleTransform = (function IrreversibleTransformClosure() { + function IrreversibleTransform() { + Transform.call(this); + } + + IrreversibleTransform.prototype = Object.create(Transform.prototype); + IrreversibleTransform.prototype.filter = + function irreversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n, current, next; + + var alpha = -1.586134342059924; + var beta = -0.052980118572961; + var gamma = 0.882911075530934; + var delta = 0.443506852043971; + var K = 1.230174104914001; + var K_ = 1 / K; + + // step 1 is combined with step 3 + + // step 2 + j = offset - 3; + for (n = len + 4; n--; j += 2) { + x[j] *= K_; + } + + // step 1 & 3 + j = offset - 2; + current = delta * x[j -1]; + for (n = len + 3; n--; j += 2) { + next = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + if (n--) { + j += 2; + current = delta * x[j + 1]; + x[j] = K * x[j] - current - next; + } else { + break; + } + } + + // step 4 + j = offset - 1; + current = gamma * x[j - 1]; + for (n = len + 2; n--; j += 2) { + next = gamma * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = gamma * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + + // step 5 + j = offset; + current = beta * x[j - 1]; + for (n = len + 1; n--; j += 2) { + next = beta * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = beta * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + + // step 6 + if (len !== 0) { + j = offset + 1; + current = alpha * x[j - 1]; + for (n = len; n--; j += 2) { + next = alpha * x[j + 1]; + x[j] -= current + next; + if (n--) { + j += 2; + current = alpha * x[j + 1]; + x[j] -= current + next; + } else { + break; + } + } + } + }; + + return IrreversibleTransform; + })(); + + // Section 3.8.1 Reversible 5-3 filter + var ReversibleTransform = (function ReversibleTransformClosure() { + function ReversibleTransform() { + Transform.call(this); + } + + ReversibleTransform.prototype = Object.create(Transform.prototype); + ReversibleTransform.prototype.filter = + function reversibleTransformFilter(x, offset, length) { + var len = length >> 1; + offset = offset | 0; + var j, n; + + for (j = offset, n = len + 1; n--; j += 2) { + x[j] -= (x[j - 1] + x[j + 1] + 2) >> 2; + } + + for (j = offset + 1, n = len; n--; j += 2) { + x[j] += (x[j - 1] + x[j + 1]) >> 1; + } + }; + + return ReversibleTransform; + })(); + + return JpxImage; +})(); + +exports.JpxImage = JpxImage; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreMetrics = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { +var getLookupTableFactory = sharedUtil.getLookupTableFactory; + +// The Metrics object contains glyph widths (in glyph space units). +// As per PDF spec, for most fonts (Type 3 being an exception) a glyph +// space unit corresponds to 1/1000th of text space unit. +var getMetrics = getLookupTableFactory(function (t) { + t['Courier'] = 600; + t['Courier-Bold'] = 600; + t['Courier-BoldOblique'] = 600; + t['Courier-Oblique'] = 600; + t['Helvetica'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 278; + t['quotedbl'] = 355; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 667; + t['quoteright'] = 222; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 556; + t['at'] = 1015; + t['A'] = 667; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 500; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 278; + t['backslash'] = 278; + t['bracketright'] = 278; + t['asciicircum'] = 469; + t['underscore'] = 556; + t['quoteleft'] = 222; + t['a'] = 556; + t['b'] = 556; + t['c'] = 500; + t['d'] = 556; + t['e'] = 556; + t['f'] = 278; + t['g'] = 556; + t['h'] = 556; + t['i'] = 222; + t['j'] = 222; + t['k'] = 500; + t['l'] = 222; + t['m'] = 833; + t['n'] = 556; + t['o'] = 556; + t['p'] = 556; + t['q'] = 556; + t['r'] = 333; + t['s'] = 500; + t['t'] = 278; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 500; + t['braceleft'] = 334; + t['bar'] = 260; + t['braceright'] = 334; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 191; + t['quotedblleft'] = 333; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 537; + t['bullet'] = 350; + t['quotesinglbase'] = 222; + t['quotedblbase'] = 333; + t['quotedblright'] = 333; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 556; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 222; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 556; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 667; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 500; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 500; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 222; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 500; + t['scedilla'] = 500; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 556; + t['Amacron'] = 667; + t['rcaron'] = 333; + t['ccedilla'] = 500; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 643; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 584; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 500; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 260; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 333; + t['omacron'] = 556; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 222; + t['tcaron'] = 317; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 222; + t['Oacute'] = 778; + t['oacute'] = 556; + t['amacron'] = 556; + t['sacute'] = 500; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 556; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 299; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 556; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 556; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 556; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 556; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 556; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 556; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 500; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 584; + t['odieresis'] = 556; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 556; + t['eth'] = 556; + t['zcaron'] = 500; + t['ncommaaccent'] = 556; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-Bold'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 333; + t['quotedbl'] = 474; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 722; + t['quoteright'] = 278; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 611; + t['at'] = 975; + t['A'] = 722; + t['B'] = 722; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 556; + t['K'] = 722; + t['L'] = 611; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 584; + t['underscore'] = 556; + t['quoteleft'] = 278; + t['a'] = 556; + t['b'] = 611; + t['c'] = 556; + t['d'] = 611; + t['e'] = 556; + t['f'] = 333; + t['g'] = 611; + t['h'] = 611; + t['i'] = 278; + t['j'] = 278; + t['k'] = 556; + t['l'] = 278; + t['m'] = 889; + t['n'] = 611; + t['o'] = 611; + t['p'] = 611; + t['q'] = 611; + t['r'] = 389; + t['s'] = 556; + t['t'] = 333; + t['u'] = 611; + t['v'] = 556; + t['w'] = 778; + t['x'] = 556; + t['y'] = 556; + t['z'] = 500; + t['braceleft'] = 389; + t['bar'] = 280; + t['braceright'] = 389; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 238; + t['quotedblleft'] = 500; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 611; + t['fl'] = 611; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 556; + t['bullet'] = 350; + t['quotesinglbase'] = 278; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 611; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 611; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 722; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 556; + t['scommaaccent'] = 556; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 611; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 556; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 556; + t['scedilla'] = 556; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 611; + t['acircumflex'] = 556; + t['Amacron'] = 722; + t['rcaron'] = 389; + t['ccedilla'] = 556; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 743; + t['Umacron'] = 722; + t['uring'] = 611; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 584; + t['uacute'] = 611; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 556; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 556; + t['nacute'] = 611; + t['umacron'] = 611; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 280; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 611; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 389; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 611; + t['amacron'] = 556; + t['sacute'] = 556; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 611; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 611; + t['igrave'] = 278; + t['ohungarumlaut'] = 611; + t['Eogonek'] = 667; + t['dcroat'] = 611; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 400; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 611; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 611; + t['ntilde'] = 611; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 611; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 611; + t['Ccaron'] = 722; + t['ugrave'] = 611; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 611; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 556; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 611; + t['tcommaaccent'] = 333; + t['logicalnot'] = 584; + t['odieresis'] = 611; + t['udieresis'] = 611; + t['notequal'] = 549; + t['gcommaaccent'] = 611; + t['eth'] = 611; + t['zcaron'] = 500; + t['ncommaaccent'] = 611; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-BoldOblique'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 333; + t['quotedbl'] = 474; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 722; + t['quoteright'] = 278; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 611; + t['at'] = 975; + t['A'] = 722; + t['B'] = 722; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 556; + t['K'] = 722; + t['L'] = 611; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 584; + t['underscore'] = 556; + t['quoteleft'] = 278; + t['a'] = 556; + t['b'] = 611; + t['c'] = 556; + t['d'] = 611; + t['e'] = 556; + t['f'] = 333; + t['g'] = 611; + t['h'] = 611; + t['i'] = 278; + t['j'] = 278; + t['k'] = 556; + t['l'] = 278; + t['m'] = 889; + t['n'] = 611; + t['o'] = 611; + t['p'] = 611; + t['q'] = 611; + t['r'] = 389; + t['s'] = 556; + t['t'] = 333; + t['u'] = 611; + t['v'] = 556; + t['w'] = 778; + t['x'] = 556; + t['y'] = 556; + t['z'] = 500; + t['braceleft'] = 389; + t['bar'] = 280; + t['braceright'] = 389; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 238; + t['quotedblleft'] = 500; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 611; + t['fl'] = 611; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 556; + t['bullet'] = 350; + t['quotesinglbase'] = 278; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 611; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 611; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 722; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 556; + t['scommaaccent'] = 556; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 611; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 556; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 556; + t['scedilla'] = 556; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 611; + t['acircumflex'] = 556; + t['Amacron'] = 722; + t['rcaron'] = 389; + t['ccedilla'] = 556; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 743; + t['Umacron'] = 722; + t['uring'] = 611; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 584; + t['uacute'] = 611; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 556; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 556; + t['nacute'] = 611; + t['umacron'] = 611; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 280; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 611; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 389; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 611; + t['amacron'] = 556; + t['sacute'] = 556; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 611; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 611; + t['igrave'] = 278; + t['ohungarumlaut'] = 611; + t['Eogonek'] = 667; + t['dcroat'] = 611; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 400; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 611; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 611; + t['ntilde'] = 611; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 611; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 611; + t['Ccaron'] = 722; + t['ugrave'] = 611; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 611; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 556; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 611; + t['tcommaaccent'] = 333; + t['logicalnot'] = 584; + t['odieresis'] = 611; + t['udieresis'] = 611; + t['notequal'] = 549; + t['gcommaaccent'] = 611; + t['eth'] = 611; + t['zcaron'] = 500; + t['ncommaaccent'] = 611; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Helvetica-Oblique'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['exclam'] = 278; + t['quotedbl'] = 355; + t['numbersign'] = 556; + t['dollar'] = 556; + t['percent'] = 889; + t['ampersand'] = 667; + t['quoteright'] = 222; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 389; + t['plus'] = 584; + t['comma'] = 278; + t['hyphen'] = 333; + t['period'] = 278; + t['slash'] = 278; + t['zero'] = 556; + t['one'] = 556; + t['two'] = 556; + t['three'] = 556; + t['four'] = 556; + t['five'] = 556; + t['six'] = 556; + t['seven'] = 556; + t['eight'] = 556; + t['nine'] = 556; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 584; + t['equal'] = 584; + t['greater'] = 584; + t['question'] = 556; + t['at'] = 1015; + t['A'] = 667; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 722; + t['I'] = 278; + t['J'] = 500; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 722; + t['O'] = 778; + t['P'] = 667; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 667; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 944; + t['X'] = 667; + t['Y'] = 667; + t['Z'] = 611; + t['bracketleft'] = 278; + t['backslash'] = 278; + t['bracketright'] = 278; + t['asciicircum'] = 469; + t['underscore'] = 556; + t['quoteleft'] = 222; + t['a'] = 556; + t['b'] = 556; + t['c'] = 500; + t['d'] = 556; + t['e'] = 556; + t['f'] = 278; + t['g'] = 556; + t['h'] = 556; + t['i'] = 222; + t['j'] = 222; + t['k'] = 500; + t['l'] = 222; + t['m'] = 833; + t['n'] = 556; + t['o'] = 556; + t['p'] = 556; + t['q'] = 556; + t['r'] = 333; + t['s'] = 500; + t['t'] = 278; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 500; + t['braceleft'] = 334; + t['bar'] = 260; + t['braceright'] = 334; + t['asciitilde'] = 584; + t['exclamdown'] = 333; + t['cent'] = 556; + t['sterling'] = 556; + t['fraction'] = 167; + t['yen'] = 556; + t['florin'] = 556; + t['section'] = 556; + t['currency'] = 556; + t['quotesingle'] = 191; + t['quotedblleft'] = 333; + t['guillemotleft'] = 556; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 556; + t['dagger'] = 556; + t['daggerdbl'] = 556; + t['periodcentered'] = 278; + t['paragraph'] = 537; + t['bullet'] = 350; + t['quotesinglbase'] = 222; + t['quotedblbase'] = 333; + t['quotedblright'] = 333; + t['guillemotright'] = 556; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 611; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 370; + t['Lslash'] = 556; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 365; + t['ae'] = 889; + t['dotlessi'] = 278; + t['lslash'] = 222; + t['oslash'] = 611; + t['oe'] = 944; + t['germandbls'] = 611; + t['Idieresis'] = 278; + t['eacute'] = 556; + t['abreve'] = 556; + t['uhungarumlaut'] = 556; + t['ecaron'] = 556; + t['Ydieresis'] = 667; + t['divide'] = 584; + t['Yacute'] = 667; + t['Acircumflex'] = 667; + t['aacute'] = 556; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 500; + t['ecircumflex'] = 556; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 556; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 737; + t['Emacron'] = 667; + t['ccaron'] = 500; + t['aring'] = 556; + t['Ncommaaccent'] = 722; + t['lacute'] = 222; + t['agrave'] = 556; + t['Tcommaaccent'] = 611; + t['Cacute'] = 722; + t['atilde'] = 556; + t['Edotaccent'] = 667; + t['scaron'] = 500; + t['scedilla'] = 500; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 556; + t['Amacron'] = 667; + t['rcaron'] = 333; + t['ccedilla'] = 500; + t['Zdotaccent'] = 611; + t['Thorn'] = 667; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 667; + t['dcaron'] = 643; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 333; + t['Ograve'] = 778; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 584; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 556; + t['edieresis'] = 556; + t['cacute'] = 500; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 278; + t['plusminus'] = 584; + t['brokenbar'] = 260; + t['registered'] = 737; + t['Gbreve'] = 778; + t['Idotaccent'] = 278; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 333; + t['omacron'] = 556; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 222; + t['tcaron'] = 317; + t['eogonek'] = 556; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 556; + t['zacute'] = 500; + t['iogonek'] = 222; + t['Oacute'] = 778; + t['oacute'] = 556; + t['amacron'] = 556; + t['sacute'] = 500; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 333; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 556; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 834; + t['Scedilla'] = 667; + t['lcaron'] = 299; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 1000; + t['edotaccent'] = 556; + t['Igrave'] = 278; + t['Imacron'] = 278; + t['Lcaron'] = 556; + t['onehalf'] = 834; + t['lessequal'] = 549; + t['ocircumflex'] = 556; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 556; + t['gbreve'] = 556; + t['onequarter'] = 834; + t['Scaron'] = 667; + t['Scommaaccent'] = 667; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 556; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 556; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 556; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 778; + t['zdotaccent'] = 500; + t['Ecaron'] = 667; + t['Iogonek'] = 278; + t['kcommaaccent'] = 500; + t['minus'] = 584; + t['Icircumflex'] = 278; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 584; + t['odieresis'] = 556; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 556; + t['eth'] = 556; + t['zcaron'] = 500; + t['ncommaaccent'] = 556; + t['onesuperior'] = 333; + t['imacron'] = 278; + t['Euro'] = 556; + }); + t['Symbol'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['universal'] = 713; + t['numbersign'] = 500; + t['existential'] = 549; + t['percent'] = 833; + t['ampersand'] = 778; + t['suchthat'] = 439; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asteriskmath'] = 500; + t['plus'] = 549; + t['comma'] = 250; + t['minus'] = 549; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 549; + t['equal'] = 549; + t['greater'] = 549; + t['question'] = 444; + t['congruent'] = 549; + t['Alpha'] = 722; + t['Beta'] = 667; + t['Chi'] = 722; + t['Delta'] = 612; + t['Epsilon'] = 611; + t['Phi'] = 763; + t['Gamma'] = 603; + t['Eta'] = 722; + t['Iota'] = 333; + t['theta1'] = 631; + t['Kappa'] = 722; + t['Lambda'] = 686; + t['Mu'] = 889; + t['Nu'] = 722; + t['Omicron'] = 722; + t['Pi'] = 768; + t['Theta'] = 741; + t['Rho'] = 556; + t['Sigma'] = 592; + t['Tau'] = 611; + t['Upsilon'] = 690; + t['sigma1'] = 439; + t['Omega'] = 768; + t['Xi'] = 645; + t['Psi'] = 795; + t['Zeta'] = 611; + t['bracketleft'] = 333; + t['therefore'] = 863; + t['bracketright'] = 333; + t['perpendicular'] = 658; + t['underscore'] = 500; + t['radicalex'] = 500; + t['alpha'] = 631; + t['beta'] = 549; + t['chi'] = 549; + t['delta'] = 494; + t['epsilon'] = 439; + t['phi'] = 521; + t['gamma'] = 411; + t['eta'] = 603; + t['iota'] = 329; + t['phi1'] = 603; + t['kappa'] = 549; + t['lambda'] = 549; + t['mu'] = 576; + t['nu'] = 521; + t['omicron'] = 549; + t['pi'] = 549; + t['theta'] = 521; + t['rho'] = 549; + t['sigma'] = 603; + t['tau'] = 439; + t['upsilon'] = 576; + t['omega1'] = 713; + t['omega'] = 686; + t['xi'] = 493; + t['psi'] = 686; + t['zeta'] = 494; + t['braceleft'] = 480; + t['bar'] = 200; + t['braceright'] = 480; + t['similar'] = 549; + t['Euro'] = 750; + t['Upsilon1'] = 620; + t['minute'] = 247; + t['lessequal'] = 549; + t['fraction'] = 167; + t['infinity'] = 713; + t['florin'] = 500; + t['club'] = 753; + t['diamond'] = 753; + t['heart'] = 753; + t['spade'] = 753; + t['arrowboth'] = 1042; + t['arrowleft'] = 987; + t['arrowup'] = 603; + t['arrowright'] = 987; + t['arrowdown'] = 603; + t['degree'] = 400; + t['plusminus'] = 549; + t['second'] = 411; + t['greaterequal'] = 549; + t['multiply'] = 549; + t['proportional'] = 713; + t['partialdiff'] = 494; + t['bullet'] = 460; + t['divide'] = 549; + t['notequal'] = 549; + t['equivalence'] = 549; + t['approxequal'] = 549; + t['ellipsis'] = 1000; + t['arrowvertex'] = 603; + t['arrowhorizex'] = 1000; + t['carriagereturn'] = 658; + t['aleph'] = 823; + t['Ifraktur'] = 686; + t['Rfraktur'] = 795; + t['weierstrass'] = 987; + t['circlemultiply'] = 768; + t['circleplus'] = 768; + t['emptyset'] = 823; + t['intersection'] = 768; + t['union'] = 768; + t['propersuperset'] = 713; + t['reflexsuperset'] = 713; + t['notsubset'] = 713; + t['propersubset'] = 713; + t['reflexsubset'] = 713; + t['element'] = 713; + t['notelement'] = 713; + t['angle'] = 768; + t['gradient'] = 713; + t['registerserif'] = 790; + t['copyrightserif'] = 790; + t['trademarkserif'] = 890; + t['product'] = 823; + t['radical'] = 549; + t['dotmath'] = 250; + t['logicalnot'] = 713; + t['logicaland'] = 603; + t['logicalor'] = 603; + t['arrowdblboth'] = 1042; + t['arrowdblleft'] = 987; + t['arrowdblup'] = 603; + t['arrowdblright'] = 987; + t['arrowdbldown'] = 603; + t['lozenge'] = 494; + t['angleleft'] = 329; + t['registersans'] = 790; + t['copyrightsans'] = 790; + t['trademarksans'] = 786; + t['summation'] = 713; + t['parenlefttp'] = 384; + t['parenleftex'] = 384; + t['parenleftbt'] = 384; + t['bracketlefttp'] = 384; + t['bracketleftex'] = 384; + t['bracketleftbt'] = 384; + t['bracelefttp'] = 494; + t['braceleftmid'] = 494; + t['braceleftbt'] = 494; + t['braceex'] = 494; + t['angleright'] = 329; + t['integral'] = 274; + t['integraltp'] = 686; + t['integralex'] = 686; + t['integralbt'] = 686; + t['parenrighttp'] = 384; + t['parenrightex'] = 384; + t['parenrightbt'] = 384; + t['bracketrighttp'] = 384; + t['bracketrightex'] = 384; + t['bracketrightbt'] = 384; + t['bracerighttp'] = 494; + t['bracerightmid'] = 494; + t['bracerightbt'] = 494; + t['apple'] = 790; + }); + t['Times-Roman'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 408; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 564; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 278; + t['semicolon'] = 278; + t['less'] = 564; + t['equal'] = 564; + t['greater'] = 564; + t['question'] = 444; + t['at'] = 921; + t['A'] = 722; + t['B'] = 667; + t['C'] = 667; + t['D'] = 722; + t['E'] = 611; + t['F'] = 556; + t['G'] = 722; + t['H'] = 722; + t['I'] = 333; + t['J'] = 389; + t['K'] = 722; + t['L'] = 611; + t['M'] = 889; + t['N'] = 722; + t['O'] = 722; + t['P'] = 556; + t['Q'] = 722; + t['R'] = 667; + t['S'] = 556; + t['T'] = 611; + t['U'] = 722; + t['V'] = 722; + t['W'] = 944; + t['X'] = 722; + t['Y'] = 722; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 469; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 444; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 500; + t['i'] = 278; + t['j'] = 278; + t['k'] = 500; + t['l'] = 278; + t['m'] = 778; + t['n'] = 500; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 333; + t['s'] = 389; + t['t'] = 278; + t['u'] = 500; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 444; + t['braceleft'] = 480; + t['bar'] = 200; + t['braceright'] = 480; + t['asciitilde'] = 541; + t['exclamdown'] = 333; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 180; + t['quotedblleft'] = 444; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 453; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 444; + t['quotedblright'] = 444; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 444; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 889; + t['ordfeminine'] = 276; + t['Lslash'] = 611; + t['Oslash'] = 722; + t['OE'] = 889; + t['ordmasculine'] = 310; + t['ae'] = 667; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 500; + t['Idieresis'] = 333; + t['eacute'] = 444; + t['abreve'] = 444; + t['uhungarumlaut'] = 500; + t['ecaron'] = 444; + t['Ydieresis'] = 722; + t['divide'] = 564; + t['Yacute'] = 722; + t['Acircumflex'] = 722; + t['aacute'] = 444; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 444; + t['Uacute'] = 722; + t['uogonek'] = 500; + t['Edieresis'] = 611; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 760; + t['Emacron'] = 611; + t['ccaron'] = 444; + t['aring'] = 444; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 444; + t['Tcommaaccent'] = 611; + t['Cacute'] = 667; + t['atilde'] = 444; + t['Edotaccent'] = 611; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 667; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 500; + t['acircumflex'] = 444; + t['Amacron'] = 722; + t['rcaron'] = 333; + t['ccedilla'] = 444; + t['Zdotaccent'] = 611; + t['Thorn'] = 556; + t['Omacron'] = 722; + t['Racute'] = 667; + t['Sacute'] = 556; + t['dcaron'] = 588; + t['Umacron'] = 722; + t['uring'] = 500; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 564; + t['uacute'] = 500; + t['Tcaron'] = 611; + t['partialdiff'] = 476; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 611; + t['adieresis'] = 444; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 500; + t['umacron'] = 500; + t['Ncaron'] = 722; + t['Iacute'] = 333; + t['plusminus'] = 564; + t['brokenbar'] = 200; + t['registered'] = 760; + t['Gbreve'] = 722; + t['Idotaccent'] = 333; + t['summation'] = 600; + t['Egrave'] = 611; + t['racute'] = 333; + t['omacron'] = 500; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 326; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 444; + t['zacute'] = 444; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 444; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 500; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 611; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 344; + t['Kcommaaccent'] = 722; + t['Lacute'] = 611; + t['trademark'] = 980; + t['edotaccent'] = 444; + t['Igrave'] = 333; + t['Imacron'] = 333; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 500; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 611; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 500; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 333; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 667; + t['Lcommaaccent'] = 611; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 722; + t['zdotaccent'] = 444; + t['Ecaron'] = 611; + t['Iogonek'] = 333; + t['kcommaaccent'] = 500; + t['minus'] = 564; + t['Icircumflex'] = 333; + t['ncaron'] = 500; + t['tcommaaccent'] = 278; + t['logicalnot'] = 564; + t['odieresis'] = 500; + t['udieresis'] = 500; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 444; + t['ncommaaccent'] = 500; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-Bold'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 555; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 1000; + t['ampersand'] = 833; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 570; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 570; + t['equal'] = 570; + t['greater'] = 570; + t['question'] = 500; + t['at'] = 930; + t['A'] = 722; + t['B'] = 667; + t['C'] = 722; + t['D'] = 722; + t['E'] = 667; + t['F'] = 611; + t['G'] = 778; + t['H'] = 778; + t['I'] = 389; + t['J'] = 500; + t['K'] = 778; + t['L'] = 667; + t['M'] = 944; + t['N'] = 722; + t['O'] = 778; + t['P'] = 611; + t['Q'] = 778; + t['R'] = 722; + t['S'] = 556; + t['T'] = 667; + t['U'] = 722; + t['V'] = 722; + t['W'] = 1000; + t['X'] = 722; + t['Y'] = 722; + t['Z'] = 667; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 581; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 556; + t['c'] = 444; + t['d'] = 556; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 556; + t['i'] = 278; + t['j'] = 333; + t['k'] = 556; + t['l'] = 278; + t['m'] = 833; + t['n'] = 556; + t['o'] = 500; + t['p'] = 556; + t['q'] = 556; + t['r'] = 444; + t['s'] = 389; + t['t'] = 333; + t['u'] = 556; + t['v'] = 500; + t['w'] = 722; + t['x'] = 500; + t['y'] = 500; + t['z'] = 444; + t['braceleft'] = 394; + t['bar'] = 220; + t['braceright'] = 394; + t['asciitilde'] = 520; + t['exclamdown'] = 333; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 278; + t['quotedblleft'] = 500; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 540; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 1000; + t['ordfeminine'] = 300; + t['Lslash'] = 667; + t['Oslash'] = 778; + t['OE'] = 1000; + t['ordmasculine'] = 330; + t['ae'] = 722; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 556; + t['Idieresis'] = 389; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 556; + t['ecaron'] = 444; + t['Ydieresis'] = 722; + t['divide'] = 570; + t['Yacute'] = 722; + t['Acircumflex'] = 722; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 500; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 747; + t['Emacron'] = 667; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 667; + t['Cacute'] = 722; + t['atilde'] = 500; + t['Edotaccent'] = 667; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 722; + t['Gcommaaccent'] = 778; + t['ucircumflex'] = 556; + t['acircumflex'] = 500; + t['Amacron'] = 722; + t['rcaron'] = 444; + t['ccedilla'] = 444; + t['Zdotaccent'] = 667; + t['Thorn'] = 611; + t['Omacron'] = 778; + t['Racute'] = 722; + t['Sacute'] = 556; + t['dcaron'] = 672; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 300; + t['Ograve'] = 778; + t['Agrave'] = 722; + t['Abreve'] = 722; + t['multiply'] = 570; + t['uacute'] = 556; + t['Tcaron'] = 667; + t['partialdiff'] = 494; + t['ydieresis'] = 500; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 389; + t['plusminus'] = 570; + t['brokenbar'] = 220; + t['registered'] = 747; + t['Gbreve'] = 778; + t['Idotaccent'] = 389; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 444; + t['omacron'] = 500; + t['Zacute'] = 667; + t['Zcaron'] = 667; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 722; + t['lcommaaccent'] = 278; + t['tcaron'] = 416; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 722; + t['Adieresis'] = 722; + t['egrave'] = 444; + t['zacute'] = 444; + t['iogonek'] = 278; + t['Oacute'] = 778; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 778; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 556; + t['twosuperior'] = 300; + t['Odieresis'] = 778; + t['mu'] = 556; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 667; + t['dcroat'] = 556; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 394; + t['Kcommaaccent'] = 778; + t['Lacute'] = 667; + t['trademark'] = 1000; + t['edotaccent'] = 444; + t['Igrave'] = 389; + t['Imacron'] = 389; + t['Lcaron'] = 667; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 778; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 722; + t['ugrave'] = 556; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 444; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 722; + t['Lcommaaccent'] = 667; + t['Atilde'] = 722; + t['Aogonek'] = 722; + t['Aring'] = 722; + t['Otilde'] = 778; + t['zdotaccent'] = 444; + t['Ecaron'] = 667; + t['Iogonek'] = 389; + t['kcommaaccent'] = 556; + t['minus'] = 570; + t['Icircumflex'] = 389; + t['ncaron'] = 556; + t['tcommaaccent'] = 333; + t['logicalnot'] = 570; + t['odieresis'] = 500; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 444; + t['ncommaaccent'] = 556; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-BoldItalic'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 389; + t['quotedbl'] = 555; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 570; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 570; + t['equal'] = 570; + t['greater'] = 570; + t['question'] = 500; + t['at'] = 832; + t['A'] = 667; + t['B'] = 667; + t['C'] = 667; + t['D'] = 722; + t['E'] = 667; + t['F'] = 667; + t['G'] = 722; + t['H'] = 778; + t['I'] = 389; + t['J'] = 500; + t['K'] = 667; + t['L'] = 611; + t['M'] = 889; + t['N'] = 722; + t['O'] = 722; + t['P'] = 611; + t['Q'] = 722; + t['R'] = 667; + t['S'] = 556; + t['T'] = 611; + t['U'] = 722; + t['V'] = 667; + t['W'] = 889; + t['X'] = 667; + t['Y'] = 611; + t['Z'] = 611; + t['bracketleft'] = 333; + t['backslash'] = 278; + t['bracketright'] = 333; + t['asciicircum'] = 570; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 333; + t['g'] = 500; + t['h'] = 556; + t['i'] = 278; + t['j'] = 278; + t['k'] = 500; + t['l'] = 278; + t['m'] = 778; + t['n'] = 556; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 389; + t['s'] = 389; + t['t'] = 278; + t['u'] = 556; + t['v'] = 444; + t['w'] = 667; + t['x'] = 500; + t['y'] = 444; + t['z'] = 389; + t['braceleft'] = 348; + t['bar'] = 220; + t['braceright'] = 348; + t['asciitilde'] = 570; + t['exclamdown'] = 389; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 278; + t['quotedblleft'] = 500; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 556; + t['fl'] = 556; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 500; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 500; + t['quotedblright'] = 500; + t['guillemotright'] = 500; + t['ellipsis'] = 1000; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 1000; + t['AE'] = 944; + t['ordfeminine'] = 266; + t['Lslash'] = 611; + t['Oslash'] = 722; + t['OE'] = 944; + t['ordmasculine'] = 300; + t['ae'] = 722; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 722; + t['germandbls'] = 500; + t['Idieresis'] = 389; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 556; + t['ecaron'] = 444; + t['Ydieresis'] = 611; + t['divide'] = 570; + t['Yacute'] = 611; + t['Acircumflex'] = 667; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 444; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 556; + t['Edieresis'] = 667; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 747; + t['Emacron'] = 667; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 722; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 611; + t['Cacute'] = 667; + t['atilde'] = 500; + t['Edotaccent'] = 667; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 494; + t['Rcaron'] = 667; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 556; + t['acircumflex'] = 500; + t['Amacron'] = 667; + t['rcaron'] = 389; + t['ccedilla'] = 444; + t['Zdotaccent'] = 611; + t['Thorn'] = 611; + t['Omacron'] = 722; + t['Racute'] = 667; + t['Sacute'] = 556; + t['dcaron'] = 608; + t['Umacron'] = 722; + t['uring'] = 556; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 667; + t['Abreve'] = 667; + t['multiply'] = 570; + t['uacute'] = 556; + t['Tcaron'] = 611; + t['partialdiff'] = 494; + t['ydieresis'] = 444; + t['Nacute'] = 722; + t['icircumflex'] = 278; + t['Ecircumflex'] = 667; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 556; + t['umacron'] = 556; + t['Ncaron'] = 722; + t['Iacute'] = 389; + t['plusminus'] = 570; + t['brokenbar'] = 220; + t['registered'] = 747; + t['Gbreve'] = 722; + t['Idotaccent'] = 389; + t['summation'] = 600; + t['Egrave'] = 667; + t['racute'] = 389; + t['omacron'] = 500; + t['Zacute'] = 611; + t['Zcaron'] = 611; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 366; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 667; + t['Adieresis'] = 667; + t['egrave'] = 444; + t['zacute'] = 389; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 576; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 667; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 556; + t['lcaron'] = 382; + t['Kcommaaccent'] = 667; + t['Lacute'] = 611; + t['trademark'] = 1000; + t['edotaccent'] = 444; + t['Igrave'] = 389; + t['Imacron'] = 389; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 556; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 667; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 556; + t['Scommaaccent'] = 556; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 556; + t['radical'] = 549; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 722; + t['otilde'] = 500; + t['Rcommaaccent'] = 667; + t['Lcommaaccent'] = 611; + t['Atilde'] = 667; + t['Aogonek'] = 667; + t['Aring'] = 667; + t['Otilde'] = 722; + t['zdotaccent'] = 389; + t['Ecaron'] = 667; + t['Iogonek'] = 389; + t['kcommaaccent'] = 500; + t['minus'] = 606; + t['Icircumflex'] = 389; + t['ncaron'] = 556; + t['tcommaaccent'] = 278; + t['logicalnot'] = 606; + t['odieresis'] = 500; + t['udieresis'] = 556; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 389; + t['ncommaaccent'] = 556; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['Times-Italic'] = getLookupTableFactory(function (t) { + t['space'] = 250; + t['exclam'] = 333; + t['quotedbl'] = 420; + t['numbersign'] = 500; + t['dollar'] = 500; + t['percent'] = 833; + t['ampersand'] = 778; + t['quoteright'] = 333; + t['parenleft'] = 333; + t['parenright'] = 333; + t['asterisk'] = 500; + t['plus'] = 675; + t['comma'] = 250; + t['hyphen'] = 333; + t['period'] = 250; + t['slash'] = 278; + t['zero'] = 500; + t['one'] = 500; + t['two'] = 500; + t['three'] = 500; + t['four'] = 500; + t['five'] = 500; + t['six'] = 500; + t['seven'] = 500; + t['eight'] = 500; + t['nine'] = 500; + t['colon'] = 333; + t['semicolon'] = 333; + t['less'] = 675; + t['equal'] = 675; + t['greater'] = 675; + t['question'] = 500; + t['at'] = 920; + t['A'] = 611; + t['B'] = 611; + t['C'] = 667; + t['D'] = 722; + t['E'] = 611; + t['F'] = 611; + t['G'] = 722; + t['H'] = 722; + t['I'] = 333; + t['J'] = 444; + t['K'] = 667; + t['L'] = 556; + t['M'] = 833; + t['N'] = 667; + t['O'] = 722; + t['P'] = 611; + t['Q'] = 722; + t['R'] = 611; + t['S'] = 500; + t['T'] = 556; + t['U'] = 722; + t['V'] = 611; + t['W'] = 833; + t['X'] = 611; + t['Y'] = 556; + t['Z'] = 556; + t['bracketleft'] = 389; + t['backslash'] = 278; + t['bracketright'] = 389; + t['asciicircum'] = 422; + t['underscore'] = 500; + t['quoteleft'] = 333; + t['a'] = 500; + t['b'] = 500; + t['c'] = 444; + t['d'] = 500; + t['e'] = 444; + t['f'] = 278; + t['g'] = 500; + t['h'] = 500; + t['i'] = 278; + t['j'] = 278; + t['k'] = 444; + t['l'] = 278; + t['m'] = 722; + t['n'] = 500; + t['o'] = 500; + t['p'] = 500; + t['q'] = 500; + t['r'] = 389; + t['s'] = 389; + t['t'] = 278; + t['u'] = 500; + t['v'] = 444; + t['w'] = 667; + t['x'] = 444; + t['y'] = 444; + t['z'] = 389; + t['braceleft'] = 400; + t['bar'] = 275; + t['braceright'] = 400; + t['asciitilde'] = 541; + t['exclamdown'] = 389; + t['cent'] = 500; + t['sterling'] = 500; + t['fraction'] = 167; + t['yen'] = 500; + t['florin'] = 500; + t['section'] = 500; + t['currency'] = 500; + t['quotesingle'] = 214; + t['quotedblleft'] = 556; + t['guillemotleft'] = 500; + t['guilsinglleft'] = 333; + t['guilsinglright'] = 333; + t['fi'] = 500; + t['fl'] = 500; + t['endash'] = 500; + t['dagger'] = 500; + t['daggerdbl'] = 500; + t['periodcentered'] = 250; + t['paragraph'] = 523; + t['bullet'] = 350; + t['quotesinglbase'] = 333; + t['quotedblbase'] = 556; + t['quotedblright'] = 556; + t['guillemotright'] = 500; + t['ellipsis'] = 889; + t['perthousand'] = 1000; + t['questiondown'] = 500; + t['grave'] = 333; + t['acute'] = 333; + t['circumflex'] = 333; + t['tilde'] = 333; + t['macron'] = 333; + t['breve'] = 333; + t['dotaccent'] = 333; + t['dieresis'] = 333; + t['ring'] = 333; + t['cedilla'] = 333; + t['hungarumlaut'] = 333; + t['ogonek'] = 333; + t['caron'] = 333; + t['emdash'] = 889; + t['AE'] = 889; + t['ordfeminine'] = 276; + t['Lslash'] = 556; + t['Oslash'] = 722; + t['OE'] = 944; + t['ordmasculine'] = 310; + t['ae'] = 667; + t['dotlessi'] = 278; + t['lslash'] = 278; + t['oslash'] = 500; + t['oe'] = 667; + t['germandbls'] = 500; + t['Idieresis'] = 333; + t['eacute'] = 444; + t['abreve'] = 500; + t['uhungarumlaut'] = 500; + t['ecaron'] = 444; + t['Ydieresis'] = 556; + t['divide'] = 675; + t['Yacute'] = 556; + t['Acircumflex'] = 611; + t['aacute'] = 500; + t['Ucircumflex'] = 722; + t['yacute'] = 444; + t['scommaaccent'] = 389; + t['ecircumflex'] = 444; + t['Uring'] = 722; + t['Udieresis'] = 722; + t['aogonek'] = 500; + t['Uacute'] = 722; + t['uogonek'] = 500; + t['Edieresis'] = 611; + t['Dcroat'] = 722; + t['commaaccent'] = 250; + t['copyright'] = 760; + t['Emacron'] = 611; + t['ccaron'] = 444; + t['aring'] = 500; + t['Ncommaaccent'] = 667; + t['lacute'] = 278; + t['agrave'] = 500; + t['Tcommaaccent'] = 556; + t['Cacute'] = 667; + t['atilde'] = 500; + t['Edotaccent'] = 611; + t['scaron'] = 389; + t['scedilla'] = 389; + t['iacute'] = 278; + t['lozenge'] = 471; + t['Rcaron'] = 611; + t['Gcommaaccent'] = 722; + t['ucircumflex'] = 500; + t['acircumflex'] = 500; + t['Amacron'] = 611; + t['rcaron'] = 389; + t['ccedilla'] = 444; + t['Zdotaccent'] = 556; + t['Thorn'] = 611; + t['Omacron'] = 722; + t['Racute'] = 611; + t['Sacute'] = 500; + t['dcaron'] = 544; + t['Umacron'] = 722; + t['uring'] = 500; + t['threesuperior'] = 300; + t['Ograve'] = 722; + t['Agrave'] = 611; + t['Abreve'] = 611; + t['multiply'] = 675; + t['uacute'] = 500; + t['Tcaron'] = 556; + t['partialdiff'] = 476; + t['ydieresis'] = 444; + t['Nacute'] = 667; + t['icircumflex'] = 278; + t['Ecircumflex'] = 611; + t['adieresis'] = 500; + t['edieresis'] = 444; + t['cacute'] = 444; + t['nacute'] = 500; + t['umacron'] = 500; + t['Ncaron'] = 667; + t['Iacute'] = 333; + t['plusminus'] = 675; + t['brokenbar'] = 275; + t['registered'] = 760; + t['Gbreve'] = 722; + t['Idotaccent'] = 333; + t['summation'] = 600; + t['Egrave'] = 611; + t['racute'] = 389; + t['omacron'] = 500; + t['Zacute'] = 556; + t['Zcaron'] = 556; + t['greaterequal'] = 549; + t['Eth'] = 722; + t['Ccedilla'] = 667; + t['lcommaaccent'] = 278; + t['tcaron'] = 300; + t['eogonek'] = 444; + t['Uogonek'] = 722; + t['Aacute'] = 611; + t['Adieresis'] = 611; + t['egrave'] = 444; + t['zacute'] = 389; + t['iogonek'] = 278; + t['Oacute'] = 722; + t['oacute'] = 500; + t['amacron'] = 500; + t['sacute'] = 389; + t['idieresis'] = 278; + t['Ocircumflex'] = 722; + t['Ugrave'] = 722; + t['Delta'] = 612; + t['thorn'] = 500; + t['twosuperior'] = 300; + t['Odieresis'] = 722; + t['mu'] = 500; + t['igrave'] = 278; + t['ohungarumlaut'] = 500; + t['Eogonek'] = 611; + t['dcroat'] = 500; + t['threequarters'] = 750; + t['Scedilla'] = 500; + t['lcaron'] = 300; + t['Kcommaaccent'] = 667; + t['Lacute'] = 556; + t['trademark'] = 980; + t['edotaccent'] = 444; + t['Igrave'] = 333; + t['Imacron'] = 333; + t['Lcaron'] = 611; + t['onehalf'] = 750; + t['lessequal'] = 549; + t['ocircumflex'] = 500; + t['ntilde'] = 500; + t['Uhungarumlaut'] = 722; + t['Eacute'] = 611; + t['emacron'] = 444; + t['gbreve'] = 500; + t['onequarter'] = 750; + t['Scaron'] = 500; + t['Scommaaccent'] = 500; + t['Ohungarumlaut'] = 722; + t['degree'] = 400; + t['ograve'] = 500; + t['Ccaron'] = 667; + t['ugrave'] = 500; + t['radical'] = 453; + t['Dcaron'] = 722; + t['rcommaaccent'] = 389; + t['Ntilde'] = 667; + t['otilde'] = 500; + t['Rcommaaccent'] = 611; + t['Lcommaaccent'] = 556; + t['Atilde'] = 611; + t['Aogonek'] = 611; + t['Aring'] = 611; + t['Otilde'] = 722; + t['zdotaccent'] = 389; + t['Ecaron'] = 611; + t['Iogonek'] = 333; + t['kcommaaccent'] = 444; + t['minus'] = 675; + t['Icircumflex'] = 333; + t['ncaron'] = 500; + t['tcommaaccent'] = 278; + t['logicalnot'] = 675; + t['odieresis'] = 500; + t['udieresis'] = 500; + t['notequal'] = 549; + t['gcommaaccent'] = 500; + t['eth'] = 500; + t['zcaron'] = 389; + t['ncommaaccent'] = 500; + t['onesuperior'] = 300; + t['imacron'] = 278; + t['Euro'] = 500; + }); + t['ZapfDingbats'] = getLookupTableFactory(function (t) { + t['space'] = 278; + t['a1'] = 974; + t['a2'] = 961; + t['a202'] = 974; + t['a3'] = 980; + t['a4'] = 719; + t['a5'] = 789; + t['a119'] = 790; + t['a118'] = 791; + t['a117'] = 690; + t['a11'] = 960; + t['a12'] = 939; + t['a13'] = 549; + t['a14'] = 855; + t['a15'] = 911; + t['a16'] = 933; + t['a105'] = 911; + t['a17'] = 945; + t['a18'] = 974; + t['a19'] = 755; + t['a20'] = 846; + t['a21'] = 762; + t['a22'] = 761; + t['a23'] = 571; + t['a24'] = 677; + t['a25'] = 763; + t['a26'] = 760; + t['a27'] = 759; + t['a28'] = 754; + t['a6'] = 494; + t['a7'] = 552; + t['a8'] = 537; + t['a9'] = 577; + t['a10'] = 692; + t['a29'] = 786; + t['a30'] = 788; + t['a31'] = 788; + t['a32'] = 790; + t['a33'] = 793; + t['a34'] = 794; + t['a35'] = 816; + t['a36'] = 823; + t['a37'] = 789; + t['a38'] = 841; + t['a39'] = 823; + t['a40'] = 833; + t['a41'] = 816; + t['a42'] = 831; + t['a43'] = 923; + t['a44'] = 744; + t['a45'] = 723; + t['a46'] = 749; + t['a47'] = 790; + t['a48'] = 792; + t['a49'] = 695; + t['a50'] = 776; + t['a51'] = 768; + t['a52'] = 792; + t['a53'] = 759; + t['a54'] = 707; + t['a55'] = 708; + t['a56'] = 682; + t['a57'] = 701; + t['a58'] = 826; + t['a59'] = 815; + t['a60'] = 789; + t['a61'] = 789; + t['a62'] = 707; + t['a63'] = 687; + t['a64'] = 696; + t['a65'] = 689; + t['a66'] = 786; + t['a67'] = 787; + t['a68'] = 713; + t['a69'] = 791; + t['a70'] = 785; + t['a71'] = 791; + t['a72'] = 873; + t['a73'] = 761; + t['a74'] = 762; + t['a203'] = 762; + t['a75'] = 759; + t['a204'] = 759; + t['a76'] = 892; + t['a77'] = 892; + t['a78'] = 788; + t['a79'] = 784; + t['a81'] = 438; + t['a82'] = 138; + t['a83'] = 277; + t['a84'] = 415; + t['a97'] = 392; + t['a98'] = 392; + t['a99'] = 668; + t['a100'] = 668; + t['a89'] = 390; + t['a90'] = 390; + t['a93'] = 317; + t['a94'] = 317; + t['a91'] = 276; + t['a92'] = 276; + t['a205'] = 509; + t['a85'] = 509; + t['a206'] = 410; + t['a86'] = 410; + t['a87'] = 234; + t['a88'] = 234; + t['a95'] = 334; + t['a96'] = 334; + t['a101'] = 732; + t['a102'] = 544; + t['a103'] = 544; + t['a104'] = 910; + t['a106'] = 667; + t['a107'] = 760; + t['a108'] = 760; + t['a112'] = 776; + t['a111'] = 595; + t['a110'] = 694; + t['a109'] = 626; + t['a120'] = 788; + t['a121'] = 788; + t['a122'] = 788; + t['a123'] = 788; + t['a124'] = 788; + t['a125'] = 788; + t['a126'] = 788; + t['a127'] = 788; + t['a128'] = 788; + t['a129'] = 788; + t['a130'] = 788; + t['a131'] = 788; + t['a132'] = 788; + t['a133'] = 788; + t['a134'] = 788; + t['a135'] = 788; + t['a136'] = 788; + t['a137'] = 788; + t['a138'] = 788; + t['a139'] = 788; + t['a140'] = 788; + t['a141'] = 788; + t['a142'] = 788; + t['a143'] = 788; + t['a144'] = 788; + t['a145'] = 788; + t['a146'] = 788; + t['a147'] = 788; + t['a148'] = 788; + t['a149'] = 788; + t['a150'] = 788; + t['a151'] = 788; + t['a152'] = 788; + t['a153'] = 788; + t['a154'] = 788; + t['a155'] = 788; + t['a156'] = 788; + t['a157'] = 788; + t['a158'] = 788; + t['a159'] = 788; + t['a160'] = 894; + t['a161'] = 838; + t['a163'] = 1016; + t['a164'] = 458; + t['a196'] = 748; + t['a165'] = 924; + t['a192'] = 748; + t['a166'] = 918; + t['a167'] = 927; + t['a168'] = 928; + t['a169'] = 928; + t['a170'] = 834; + t['a171'] = 873; + t['a172'] = 828; + t['a173'] = 924; + t['a162'] = 924; + t['a174'] = 917; + t['a175'] = 930; + t['a176'] = 931; + t['a177'] = 463; + t['a178'] = 883; + t['a179'] = 836; + t['a193'] = 836; + t['a180'] = 867; + t['a199'] = 867; + t['a181'] = 696; + t['a200'] = 696; + t['a182'] = 874; + t['a201'] = 874; + t['a183'] = 760; + t['a184'] = 946; + t['a197'] = 771; + t['a185'] = 865; + t['a194'] = 771; + t['a198'] = 888; + t['a186'] = 967; + t['a195'] = 888; + t['a187'] = 831; + t['a188'] = 873; + t['a189'] = 927; + t['a190'] = 970; + t['a191'] = 918; + }); +}); + +exports.getMetrics = getMetrics; +})); + + + +(function (root, factory) { + { + factory((root.pdfjsCoreMurmurHash3 = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var Uint32ArrayView = sharedUtil.Uint32ArrayView; + +var MurmurHash3_64 = (function MurmurHash3_64Closure (seed) { + // Workaround for missing math precision in JS. + var MASK_HIGH = 0xffff0000; + var MASK_LOW = 0xffff; + + function MurmurHash3_64 (seed) { + var SEED = 0xc3d2e1f0; + this.h1 = seed ? seed & 0xffffffff : SEED; + this.h2 = seed ? seed & 0xffffffff : SEED; + } + + var alwaysUseUint32ArrayView = false; + // old webkits have issues with non-aligned arrays + try { + new Uint32Array(new Uint8Array(5).buffer, 0, 1); + } catch (e) { + alwaysUseUint32ArrayView = true; + } + + MurmurHash3_64.prototype = { + update: function MurmurHash3_64_update(input) { + var useUint32ArrayView = alwaysUseUint32ArrayView; + var i; + if (typeof input === 'string') { + var data = new Uint8Array(input.length * 2); + var length = 0; + for (i = 0; i < input.length; i++) { + var code = input.charCodeAt(i); + if (code <= 0xff) { + data[length++] = code; + } + else { + data[length++] = code >>> 8; + data[length++] = code & 0xff; + } + } + } else if (input instanceof Uint8Array) { + data = input; + length = data.length; + } else if (typeof input === 'object' && ('length' in input)) { + // processing regular arrays as well, e.g. for IE9 + data = input; + length = data.length; + useUint32ArrayView = true; + } else { + throw new Error('Wrong data format in MurmurHash3_64_update. ' + + 'Input must be a string or array.'); + } + + var blockCounts = length >> 2; + var tailLength = length - blockCounts * 4; + // we don't care about endianness here + var dataUint32 = useUint32ArrayView ? + new Uint32ArrayView(data, blockCounts) : + new Uint32Array(data.buffer, 0, blockCounts); + var k1 = 0; + var k2 = 0; + var h1 = this.h1; + var h2 = this.h2; + var C1 = 0xcc9e2d51; + var C2 = 0x1b873593; + var C1_LOW = C1 & MASK_LOW; + var C2_LOW = C2 & MASK_LOW; + + for (i = 0; i < blockCounts; i++) { + if (i & 1) { + k1 = dataUint32[i]; + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + h1 ^= k1; + h1 = h1 << 13 | h1 >>> 19; + h1 = h1 * 5 + 0xe6546b64; + } else { + k2 = dataUint32[i]; + k2 = (k2 * C1 & MASK_HIGH) | (k2 * C1_LOW & MASK_LOW); + k2 = k2 << 15 | k2 >>> 17; + k2 = (k2 * C2 & MASK_HIGH) | (k2 * C2_LOW & MASK_LOW); + h2 ^= k2; + h2 = h2 << 13 | h2 >>> 19; + h2 = h2 * 5 + 0xe6546b64; + } + } + + k1 = 0; + + switch (tailLength) { + case 3: + k1 ^= data[blockCounts * 4 + 2] << 16; + /* falls through */ + case 2: + k1 ^= data[blockCounts * 4 + 1] << 8; + /* falls through */ + case 1: + k1 ^= data[blockCounts * 4]; + /* falls through */ + k1 = (k1 * C1 & MASK_HIGH) | (k1 * C1_LOW & MASK_LOW); + k1 = k1 << 15 | k1 >>> 17; + k1 = (k1 * C2 & MASK_HIGH) | (k1 * C2_LOW & MASK_LOW); + if (blockCounts & 1) { + h1 ^= k1; + } else { + h2 ^= k1; + } + } + + this.h1 = h1; + this.h2 = h2; + return this; + }, + + hexdigest: function MurmurHash3_64_hexdigest () { + var h1 = this.h1; + var h2 = this.h2; + + h1 ^= h2 >>> 1; + h1 = (h1 * 0xed558ccd & MASK_HIGH) | (h1 * 0x8ccd & MASK_LOW); + h2 = (h2 * 0xff51afd7 & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + h1 = (h1 * 0x1a85ec53 & MASK_HIGH) | (h1 * 0xec53 & MASK_LOW); + h2 = (h2 * 0xc4ceb9fe & MASK_HIGH) | + (((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16); + h1 ^= h2 >>> 1; + + for (var i = 0, arr = [h1, h2], str = ''; i < arr.length; i++) { + var hex = (arr[i] >>> 0).toString(16); + while (hex.length < 8) { + hex = '0' + hex; + } + str += hex; + } + + return str; + } + }; + + return MurmurHash3_64; +})(); + +exports.MurmurHash3_64 = MurmurHash3_64; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePrimitives = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + +var isArray = sharedUtil.isArray; + +var Name = (function NameClosure() { + function Name(name) { + this.name = name; + } + + Name.prototype = {}; + + var nameCache = Object.create(null); + + Name.get = function Name_get(name) { + var nameValue = nameCache[name]; + return (nameValue ? nameValue : (nameCache[name] = new Name(name))); + }; + + return Name; +})(); + +var Cmd = (function CmdClosure() { + function Cmd(cmd) { + this.cmd = cmd; + } + + Cmd.prototype = {}; + + var cmdCache = Object.create(null); + + Cmd.get = function Cmd_get(cmd) { + var cmdValue = cmdCache[cmd]; + return (cmdValue ? cmdValue : (cmdCache[cmd] = new Cmd(cmd))); + }; + + return Cmd; +})(); + +var Dict = (function DictClosure() { + var nonSerializable = function nonSerializableClosure() { + return nonSerializable; // creating closure on some variable + }; + + // xref is optional + function Dict(xref) { + // Map should only be used internally, use functions below to access. + this.map = Object.create(null); + this.xref = xref; + this.objId = null; + this.__nonSerializable__ = nonSerializable; // disable cloning of the Dict + } + + Dict.prototype = { + assignXref: function Dict_assignXref(newXref) { + this.xref = newXref; + }, + + // automatically dereferences Ref objects + get: function Dict_get(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + return xref ? xref.fetchIfRef(value) : value; + } + value = this.map[key3] || null; + return xref ? xref.fetchIfRef(value) : value; + }, + + // Same as get(), but returns a promise and uses fetchIfRefAsync(). + getAsync: function Dict_getAsync(key1, key2, key3) { + var value; + var xref = this.xref; + if (typeof (value = this.map[key1]) !== 'undefined' || key1 in this.map || + typeof key2 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + if (typeof (value = this.map[key2]) !== 'undefined' || key2 in this.map || + typeof key3 === 'undefined') { + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + } + value = this.map[key3] || null; + if (xref) { + return xref.fetchIfRefAsync(value); + } + return Promise.resolve(value); + }, + + // Same as get(), but dereferences all elements if the result is an Array. + getArray: function Dict_getArray(key1, key2, key3) { + var value = this.get(key1, key2, key3); + var xref = this.xref; + if (!isArray(value) || !xref) { + return value; + } + value = value.slice(); // Ensure that we don't modify the Dict data. + for (var i = 0, ii = value.length; i < ii; i++) { + if (!isRef(value[i])) { + continue; + } + value[i] = xref.fetch(value[i]); + } + return value; + }, + + // no dereferencing + getRaw: function Dict_getRaw(key) { + return this.map[key]; + }, + + getKeys: function Dict_getKeys() { + return Object.keys(this.map); + }, + + set: function Dict_set(key, value) { + this.map[key] = value; + }, + + has: function Dict_has(key) { + return key in this.map; + }, + + forEach: function Dict_forEach(callback) { + for (var key in this.map) { + callback(key, this.get(key)); + } + } + }; + + Dict.empty = new Dict(null); + + Dict.merge = function Dict_merge(xref, dictArray) { + var mergedDict = new Dict(xref); + + for (var i = 0, ii = dictArray.length; i < ii; i++) { + var dict = dictArray[i]; + if (!isDict(dict)) { + continue; + } + for (var keyName in dict.map) { + if (mergedDict.map[keyName]) { + continue; + } + mergedDict.map[keyName] = dict.map[keyName]; + } + } + return mergedDict; + }; + + return Dict; +})(); + +var Ref = (function RefClosure() { + function Ref(num, gen) { + this.num = num; + this.gen = gen; + } + + Ref.prototype = { + toString: function Ref_toString() { + // This function is hot, so we make the string as compact as possible. + // |this.gen| is almost always zero, so we treat that case specially. + var str = this.num + 'R'; + if (this.gen !== 0) { + str += this.gen; + } + return str; + } + }; + + return Ref; +})(); + +// The reference is identified by number and generation. +// This structure stores only one instance of the reference. +var RefSet = (function RefSetClosure() { + function RefSet() { + this.dict = Object.create(null); + } + + RefSet.prototype = { + has: function RefSet_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSet_put(ref) { + this.dict[ref.toString()] = true; + }, + + remove: function RefSet_remove(ref) { + delete this.dict[ref.toString()]; + } + }; + + return RefSet; +})(); + +var RefSetCache = (function RefSetCacheClosure() { + function RefSetCache() { + this.dict = Object.create(null); + } + + RefSetCache.prototype = { + get: function RefSetCache_get(ref) { + return this.dict[ref.toString()]; + }, + + has: function RefSetCache_has(ref) { + return ref.toString() in this.dict; + }, + + put: function RefSetCache_put(ref, obj) { + this.dict[ref.toString()] = obj; + }, + + putAlias: function RefSetCache_putAlias(ref, aliasRef) { + this.dict[ref.toString()] = this.get(aliasRef); + }, + + forEach: function RefSetCache_forEach(fn, thisArg) { + for (var i in this.dict) { + fn.call(thisArg, this.dict[i]); + } + }, + + clear: function RefSetCache_clear() { + this.dict = Object.create(null); + } + }; + + return RefSetCache; +})(); + +function isName(v, name) { + return v instanceof Name && (name === undefined || v.name === name); +} + +function isCmd(v, cmd) { + return v instanceof Cmd && (cmd === undefined || v.cmd === cmd); +} + +function isDict(v, type) { + return v instanceof Dict && + (type === undefined || isName(v.get('Type'), type)); +} + +function isRef(v) { + return v instanceof Ref; +} + +function isRefsEqual(v1, v2) { + return v1.num === v2.num && v1.gen === v2.gen; +} + +function isStream(v) { + return typeof v === 'object' && v !== null && v.getBytes !== undefined; +} + +exports.Cmd = Cmd; +exports.Dict = Dict; +exports.Name = Name; +exports.Ref = Ref; +exports.RefSet = RefSet; +exports.RefSetCache = RefSetCache; +exports.isCmd = isCmd; +exports.isDict = isDict; +exports.isName = isName; +exports.isRef = isRef; +exports.isRefsEqual = isRefsEqual; +exports.isStream = isStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreStandardFonts = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + + /** + * Hold a map of decoded fonts and of the standard fourteen Type1 + * fonts and their acronyms. + */ + var getStdFontMap = getLookupTableFactory(function (t) { + t['ArialNarrow'] = 'Helvetica'; + t['ArialNarrow-Bold'] = 'Helvetica-Bold'; + t['ArialNarrow-BoldItalic'] = 'Helvetica-BoldOblique'; + t['ArialNarrow-Italic'] = 'Helvetica-Oblique'; + t['ArialBlack'] = 'Helvetica'; + t['ArialBlack-Bold'] = 'Helvetica-Bold'; + t['ArialBlack-BoldItalic'] = 'Helvetica-BoldOblique'; + t['ArialBlack-Italic'] = 'Helvetica-Oblique'; + t['Arial'] = 'Helvetica'; + t['Arial-Bold'] = 'Helvetica-Bold'; + t['Arial-BoldItalic'] = 'Helvetica-BoldOblique'; + t['Arial-Italic'] = 'Helvetica-Oblique'; + t['Arial-BoldItalicMT'] = 'Helvetica-BoldOblique'; + t['Arial-BoldMT'] = 'Helvetica-Bold'; + t['Arial-ItalicMT'] = 'Helvetica-Oblique'; + t['ArialMT'] = 'Helvetica'; + t['Courier-Bold'] = 'Courier-Bold'; + t['Courier-BoldItalic'] = 'Courier-BoldOblique'; + t['Courier-Italic'] = 'Courier-Oblique'; + t['CourierNew'] = 'Courier'; + t['CourierNew-Bold'] = 'Courier-Bold'; + t['CourierNew-BoldItalic'] = 'Courier-BoldOblique'; + t['CourierNew-Italic'] = 'Courier-Oblique'; + t['CourierNewPS-BoldItalicMT'] = 'Courier-BoldOblique'; + t['CourierNewPS-BoldMT'] = 'Courier-Bold'; + t['CourierNewPS-ItalicMT'] = 'Courier-Oblique'; + t['CourierNewPSMT'] = 'Courier'; + t['Helvetica'] = 'Helvetica'; + t['Helvetica-Bold'] = 'Helvetica-Bold'; + t['Helvetica-BoldItalic'] = 'Helvetica-BoldOblique'; + t['Helvetica-BoldOblique'] = 'Helvetica-BoldOblique'; + t['Helvetica-Italic'] = 'Helvetica-Oblique'; + t['Helvetica-Oblique'] = 'Helvetica-Oblique'; + t['Symbol-Bold'] = 'Symbol'; + t['Symbol-BoldItalic'] = 'Symbol'; + t['Symbol-Italic'] = 'Symbol'; + t['TimesNewRoman'] = 'Times-Roman'; + t['TimesNewRoman-Bold'] = 'Times-Bold'; + t['TimesNewRoman-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRoman-Italic'] = 'Times-Italic'; + t['TimesNewRomanPS'] = 'Times-Roman'; + t['TimesNewRomanPS-Bold'] = 'Times-Bold'; + t['TimesNewRomanPS-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRomanPS-BoldItalicMT'] = 'Times-BoldItalic'; + t['TimesNewRomanPS-BoldMT'] = 'Times-Bold'; + t['TimesNewRomanPS-Italic'] = 'Times-Italic'; + t['TimesNewRomanPS-ItalicMT'] = 'Times-Italic'; + t['TimesNewRomanPSMT'] = 'Times-Roman'; + t['TimesNewRomanPSMT-Bold'] = 'Times-Bold'; + t['TimesNewRomanPSMT-BoldItalic'] = 'Times-BoldItalic'; + t['TimesNewRomanPSMT-Italic'] = 'Times-Italic'; + }); + + /** + * Holds the map of the non-standard fonts that might be included as + * a standard fonts without glyph data. + */ + var getNonStdFontMap = getLookupTableFactory(function (t) { + t['CenturyGothic'] = 'Helvetica'; + t['CenturyGothic-Bold'] = 'Helvetica-Bold'; + t['CenturyGothic-BoldItalic'] = 'Helvetica-BoldOblique'; + t['CenturyGothic-Italic'] = 'Helvetica-Oblique'; + t['ComicSansMS'] = 'Comic Sans MS'; + t['ComicSansMS-Bold'] = 'Comic Sans MS-Bold'; + t['ComicSansMS-BoldItalic'] = 'Comic Sans MS-BoldItalic'; + t['ComicSansMS-Italic'] = 'Comic Sans MS-Italic'; + t['LucidaConsole'] = 'Courier'; + t['LucidaConsole-Bold'] = 'Courier-Bold'; + t['LucidaConsole-BoldItalic'] = 'Courier-BoldOblique'; + t['LucidaConsole-Italic'] = 'Courier-Oblique'; + t['MS-Gothic'] = 'MS Gothic'; + t['MS-Gothic-Bold'] = 'MS Gothic-Bold'; + t['MS-Gothic-BoldItalic'] = 'MS Gothic-BoldItalic'; + t['MS-Gothic-Italic'] = 'MS Gothic-Italic'; + t['MS-Mincho'] = 'MS Mincho'; + t['MS-Mincho-Bold'] = 'MS Mincho-Bold'; + t['MS-Mincho-BoldItalic'] = 'MS Mincho-BoldItalic'; + t['MS-Mincho-Italic'] = 'MS Mincho-Italic'; + t['MS-PGothic'] = 'MS PGothic'; + t['MS-PGothic-Bold'] = 'MS PGothic-Bold'; + t['MS-PGothic-BoldItalic'] = 'MS PGothic-BoldItalic'; + t['MS-PGothic-Italic'] = 'MS PGothic-Italic'; + t['MS-PMincho'] = 'MS PMincho'; + t['MS-PMincho-Bold'] = 'MS PMincho-Bold'; + t['MS-PMincho-BoldItalic'] = 'MS PMincho-BoldItalic'; + t['MS-PMincho-Italic'] = 'MS PMincho-Italic'; + t['Wingdings'] = 'ZapfDingbats'; + }); + + var getSerifFonts = getLookupTableFactory(function (t) { + t['Adobe Jenson'] = true; + t['Adobe Text'] = true; + t['Albertus'] = true; + t['Aldus'] = true; + t['Alexandria'] = true; + t['Algerian'] = true; + t['American Typewriter'] = true; + t['Antiqua'] = true; + t['Apex'] = true; + t['Arno'] = true; + t['Aster'] = true; + t['Aurora'] = true; + t['Baskerville'] = true; + t['Bell'] = true; + t['Bembo'] = true; + t['Bembo Schoolbook'] = true; + t['Benguiat'] = true; + t['Berkeley Old Style'] = true; + t['Bernhard Modern'] = true; + t['Berthold City'] = true; + t['Bodoni'] = true; + t['Bauer Bodoni'] = true; + t['Book Antiqua'] = true; + t['Bookman'] = true; + t['Bordeaux Roman'] = true; + t['Californian FB'] = true; + t['Calisto'] = true; + t['Calvert'] = true; + t['Capitals'] = true; + t['Cambria'] = true; + t['Cartier'] = true; + t['Caslon'] = true; + t['Catull'] = true; + t['Centaur'] = true; + t['Century Old Style'] = true; + t['Century Schoolbook'] = true; + t['Chaparral'] = true; + t['Charis SIL'] = true; + t['Cheltenham'] = true; + t['Cholla Slab'] = true; + t['Clarendon'] = true; + t['Clearface'] = true; + t['Cochin'] = true; + t['Colonna'] = true; + t['Computer Modern'] = true; + t['Concrete Roman'] = true; + t['Constantia'] = true; + t['Cooper Black'] = true; + t['Corona'] = true; + t['Ecotype'] = true; + t['Egyptienne'] = true; + t['Elephant'] = true; + t['Excelsior'] = true; + t['Fairfield'] = true; + t['FF Scala'] = true; + t['Folkard'] = true; + t['Footlight'] = true; + t['FreeSerif'] = true; + t['Friz Quadrata'] = true; + t['Garamond'] = true; + t['Gentium'] = true; + t['Georgia'] = true; + t['Gloucester'] = true; + t['Goudy Old Style'] = true; + t['Goudy Schoolbook'] = true; + t['Goudy Pro Font'] = true; + t['Granjon'] = true; + t['Guardian Egyptian'] = true; + t['Heather'] = true; + t['Hercules'] = true; + t['High Tower Text'] = true; + t['Hiroshige'] = true; + t['Hoefler Text'] = true; + t['Humana Serif'] = true; + t['Imprint'] = true; + t['Ionic No. 5'] = true; + t['Janson'] = true; + t['Joanna'] = true; + t['Korinna'] = true; + t['Lexicon'] = true; + t['Liberation Serif'] = true; + t['Linux Libertine'] = true; + t['Literaturnaya'] = true; + t['Lucida'] = true; + t['Lucida Bright'] = true; + t['Melior'] = true; + t['Memphis'] = true; + t['Miller'] = true; + t['Minion'] = true; + t['Modern'] = true; + t['Mona Lisa'] = true; + t['Mrs Eaves'] = true; + t['MS Serif'] = true; + t['Museo Slab'] = true; + t['New York'] = true; + t['Nimbus Roman'] = true; + t['NPS Rawlinson Roadway'] = true; + t['Palatino'] = true; + t['Perpetua'] = true; + t['Plantin'] = true; + t['Plantin Schoolbook'] = true; + t['Playbill'] = true; + t['Poor Richard'] = true; + t['Rawlinson Roadway'] = true; + t['Renault'] = true; + t['Requiem'] = true; + t['Rockwell'] = true; + t['Roman'] = true; + t['Rotis Serif'] = true; + t['Sabon'] = true; + t['Scala'] = true; + t['Seagull'] = true; + t['Sistina'] = true; + t['Souvenir'] = true; + t['STIX'] = true; + t['Stone Informal'] = true; + t['Stone Serif'] = true; + t['Sylfaen'] = true; + t['Times'] = true; + t['Trajan'] = true; + t['Trinité'] = true; + t['Trump Mediaeval'] = true; + t['Utopia'] = true; + t['Vale Type'] = true; + t['Bitstream Vera'] = true; + t['Vera Serif'] = true; + t['Versailles'] = true; + t['Wanted'] = true; + t['Weiss'] = true; + t['Wide Latin'] = true; + t['Windsor'] = true; + t['XITS'] = true; + }); + + var getSymbolsFonts = getLookupTableFactory(function (t) { + t['Dingbats'] = true; + t['Symbol'] = true; + t['ZapfDingbats'] = true; + }); + + // Glyph map for well-known standard fonts. Sometimes Ghostscript uses CID + // fonts, but does not embed the CID to GID mapping. The mapping is incomplete + // for all glyphs, but common for some set of the standard fonts. + var getGlyphMapForStandardFonts = getLookupTableFactory(function (t) { + t[2] = 10; t[3] = 32; t[4] = 33; t[5] = 34; t[6] = 35; t[7] = 36; t[8] = 37; + t[9] = 38; t[10] = 39; t[11] = 40; t[12] = 41; t[13] = 42; t[14] = 43; + t[15] = 44; t[16] = 45; t[17] = 46; t[18] = 47; t[19] = 48; t[20] = 49; + t[21] = 50; t[22] = 51; t[23] = 52; t[24] = 53; t[25] = 54; t[26] = 55; + t[27] = 56; t[28] = 57; t[29] = 58; t[30] = 894; t[31] = 60; t[32] = 61; + t[33] = 62; t[34] = 63; t[35] = 64; t[36] = 65; t[37] = 66; t[38] = 67; + t[39] = 68; t[40] = 69; t[41] = 70; t[42] = 71; t[43] = 72; t[44] = 73; + t[45] = 74; t[46] = 75; t[47] = 76; t[48] = 77; t[49] = 78; t[50] = 79; + t[51] = 80; t[52] = 81; t[53] = 82; t[54] = 83; t[55] = 84; t[56] = 85; + t[57] = 86; t[58] = 87; t[59] = 88; t[60] = 89; t[61] = 90; t[62] = 91; + t[63] = 92; t[64] = 93; t[65] = 94; t[66] = 95; t[67] = 96; t[68] = 97; + t[69] = 98; t[70] = 99; t[71] = 100; t[72] = 101; t[73] = 102; t[74] = 103; + t[75] = 104; t[76] = 105; t[77] = 106; t[78] = 107; t[79] = 108; + t[80] = 109; t[81] = 110; t[82] = 111; t[83] = 112; t[84] = 113; + t[85] = 114; t[86] = 115; t[87] = 116; t[88] = 117; t[89] = 118; + t[90] = 119; t[91] = 120; t[92] = 121; t[93] = 122; t[94] = 123; + t[95] = 124; t[96] = 125; t[97] = 126; t[98] = 196; t[99] = 197; + t[100] = 199; t[101] = 201; t[102] = 209; t[103] = 214; t[104] = 220; + t[105] = 225; t[106] = 224; t[107] = 226; t[108] = 228; t[109] = 227; + t[110] = 229; t[111] = 231; t[112] = 233; t[113] = 232; t[114] = 234; + t[115] = 235; t[116] = 237; t[117] = 236; t[118] = 238; t[119] = 239; + t[120] = 241; t[121] = 243; t[122] = 242; t[123] = 244; t[124] = 246; + t[125] = 245; t[126] = 250; t[127] = 249; t[128] = 251; t[129] = 252; + t[130] = 8224; t[131] = 176; t[132] = 162; t[133] = 163; t[134] = 167; + t[135] = 8226; t[136] = 182; t[137] = 223; t[138] = 174; t[139] = 169; + t[140] = 8482; t[141] = 180; t[142] = 168; t[143] = 8800; t[144] = 198; + t[145] = 216; t[146] = 8734; t[147] = 177; t[148] = 8804; t[149] = 8805; + t[150] = 165; t[151] = 181; t[152] = 8706; t[153] = 8721; t[154] = 8719; + t[156] = 8747; t[157] = 170; t[158] = 186; t[159] = 8486; t[160] = 230; + t[161] = 248; t[162] = 191; t[163] = 161; t[164] = 172; t[165] = 8730; + t[166] = 402; t[167] = 8776; t[168] = 8710; t[169] = 171; t[170] = 187; + t[171] = 8230; t[210] = 218; t[223] = 711; t[224] = 321; t[225] = 322; + t[227] = 353; t[229] = 382; t[234] = 253; t[252] = 263; t[253] = 268; + t[254] = 269; t[258] = 258; t[260] = 260; t[261] = 261; t[265] = 280; + t[266] = 281; t[268] = 283; t[269] = 313; t[275] = 323; t[276] = 324; + t[278] = 328; t[284] = 345; t[285] = 346; t[286] = 347; t[292] = 367; + t[295] = 377; t[296] = 378; t[298] = 380; t[305] = 963; t[306] = 964; + t[307] = 966; t[308] = 8215; t[309] = 8252; t[310] = 8319; t[311] = 8359; + t[312] = 8592; t[313] = 8593; t[337] = 9552; t[493] = 1039; + t[494] = 1040; t[705] = 1524; t[706] = 8362; t[710] = 64288; t[711] = 64298; + t[759] = 1617; t[761] = 1776; t[763] = 1778; t[775] = 1652; t[777] = 1764; + t[778] = 1780; t[779] = 1781; t[780] = 1782; t[782] = 771; t[783] = 64726; + t[786] = 8363; t[788] = 8532; t[790] = 768; t[791] = 769; t[792] = 768; + t[795] = 803; t[797] = 64336; t[798] = 64337; t[799] = 64342; + t[800] = 64343; t[801] = 64344; t[802] = 64345; t[803] = 64362; + t[804] = 64363; t[805] = 64364; t[2424] = 7821; t[2425] = 7822; + t[2426] = 7823; t[2427] = 7824; t[2428] = 7825; t[2429] = 7826; + t[2430] = 7827; t[2433] = 7682; t[2678] = 8045; t[2679] = 8046; + t[2830] = 1552; t[2838] = 686; t[2840] = 751; t[2842] = 753; t[2843] = 754; + t[2844] = 755; t[2846] = 757; t[2856] = 767; t[2857] = 848; t[2858] = 849; + t[2862] = 853; t[2863] = 854; t[2864] = 855; t[2865] = 861; t[2866] = 862; + t[2906] = 7460; t[2908] = 7462; t[2909] = 7463; t[2910] = 7464; + t[2912] = 7466; t[2913] = 7467; t[2914] = 7468; t[2916] = 7470; + t[2917] = 7471; t[2918] = 7472; t[2920] = 7474; t[2921] = 7475; + t[2922] = 7476; t[2924] = 7478; t[2925] = 7479; t[2926] = 7480; + t[2928] = 7482; t[2929] = 7483; t[2930] = 7484; t[2932] = 7486; + t[2933] = 7487; t[2934] = 7488; t[2936] = 7490; t[2937] = 7491; + t[2938] = 7492; t[2940] = 7494; t[2941] = 7495; t[2942] = 7496; + t[2944] = 7498; t[2946] = 7500; t[2948] = 7502; t[2950] = 7504; + t[2951] = 7505; t[2952] = 7506; t[2954] = 7508; t[2955] = 7509; + t[2956] = 7510; t[2958] = 7512; t[2959] = 7513; t[2960] = 7514; + t[2962] = 7516; t[2963] = 7517; t[2964] = 7518; t[2966] = 7520; + t[2967] = 7521; t[2968] = 7522; t[2970] = 7524; t[2971] = 7525; + t[2972] = 7526; t[2974] = 7528; t[2975] = 7529; t[2976] = 7530; + t[2978] = 1537; t[2979] = 1538; t[2980] = 1539; t[2982] = 1549; + t[2983] = 1551; t[2984] = 1552; t[2986] = 1554; t[2987] = 1555; + t[2988] = 1556; t[2990] = 1623; t[2991] = 1624; t[2995] = 1775; + t[2999] = 1791; t[3002] = 64290; t[3003] = 64291; t[3004] = 64292; + t[3006] = 64294; t[3007] = 64295; t[3008] = 64296; t[3011] = 1900; + t[3014] = 8223; t[3015] = 8244; t[3017] = 7532; t[3018] = 7533; + t[3019] = 7534; t[3075] = 7590; t[3076] = 7591; t[3079] = 7594; + t[3080] = 7595; t[3083] = 7598; t[3084] = 7599; t[3087] = 7602; + t[3088] = 7603; t[3091] = 7606; t[3092] = 7607; t[3095] = 7610; + t[3096] = 7611; t[3099] = 7614; t[3100] = 7615; t[3103] = 7618; + t[3104] = 7619; t[3107] = 8337; t[3108] = 8338; t[3116] = 1884; + t[3119] = 1885; t[3120] = 1885; t[3123] = 1886; t[3124] = 1886; + t[3127] = 1887; t[3128] = 1887; t[3131] = 1888; t[3132] = 1888; + t[3135] = 1889; t[3136] = 1889; t[3139] = 1890; t[3140] = 1890; + t[3143] = 1891; t[3144] = 1891; t[3147] = 1892; t[3148] = 1892; + t[3153] = 580; t[3154] = 581; t[3157] = 584; t[3158] = 585; t[3161] = 588; + t[3162] = 589; t[3165] = 891; t[3166] = 892; t[3169] = 1274; t[3170] = 1275; + t[3173] = 1278; t[3174] = 1279; t[3181] = 7622; t[3182] = 7623; + t[3282] = 11799; t[3316] = 578; t[3379] = 42785; t[3393] = 1159; + t[3416] = 8377; + }); + + // The glyph map for ArialBlack differs slightly from the glyph map used for + // other well-known standard fonts. Hence we use this (incomplete) CID to GID + // mapping to adjust the glyph map for non-embedded ArialBlack fonts. + var getSupplementalGlyphMapForArialBlack = + getLookupTableFactory(function (t) { + t[227] = 322; t[264] = 261; t[291] = 346; + }); + + exports.getStdFontMap = getStdFontMap; + exports.getNonStdFontMap = getNonStdFontMap; + exports.getSerifFonts = getSerifFonts; + exports.getSymbolsFonts = getSymbolsFonts; + exports.getGlyphMapForStandardFonts = getGlyphMapForStandardFonts; + exports.getSupplementalGlyphMapForArialBlack = + getSupplementalGlyphMapForArialBlack; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreUnicode = {}), root.pdfjsSharedUtil); + } +}(this, function (exports, sharedUtil) { + var getLookupTableFactory = sharedUtil.getLookupTableFactory; + + // Some characters, e.g. copyrightserif, are mapped to the private use area + // and might not be displayed using standard fonts. Mapping/hacking well-known + // chars to the similar equivalents in the normal characters range. + var getSpecialPUASymbols = getLookupTableFactory(function (t) { + t[63721] = 0x00A9; // copyrightsans (0xF8E9) => copyright + t[63193] = 0x00A9; // copyrightserif (0xF6D9) => copyright + t[63720] = 0x00AE; // registersans (0xF8E8) => registered + t[63194] = 0x00AE; // registerserif (0xF6DA) => registered + t[63722] = 0x2122; // trademarksans (0xF8EA) => trademark + t[63195] = 0x2122; // trademarkserif (0xF6DB) => trademark + t[63729] = 0x23A7; // bracelefttp (0xF8F1) + t[63730] = 0x23A8; // braceleftmid (0xF8F2) + t[63731] = 0x23A9; // braceleftbt (0xF8F3) + t[63740] = 0x23AB; // bracerighttp (0xF8FC) + t[63741] = 0x23AC; // bracerightmid (0xF8FD) + t[63742] = 0x23AD; // bracerightbt (0xF8FE) + t[63726] = 0x23A1; // bracketlefttp (0xF8EE) + t[63727] = 0x23A2; // bracketleftex (0xF8EF) + t[63728] = 0x23A3; // bracketleftbt (0xF8F0) + t[63737] = 0x23A4; // bracketrighttp (0xF8F9) + t[63738] = 0x23A5; // bracketrightex (0xF8FA) + t[63739] = 0x23A6; // bracketrightbt (0xF8FB) + t[63723] = 0x239B; // parenlefttp (0xF8EB) + t[63724] = 0x239C; // parenleftex (0xF8EC) + t[63725] = 0x239D; // parenleftbt (0xF8ED) + t[63734] = 0x239E; // parenrighttp (0xF8F6) + t[63735] = 0x239F; // parenrightex (0xF8F7) + t[63736] = 0x23A0; // parenrightbt (0xF8F8) + }); + + function mapSpecialUnicodeValues(code) { + if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials unicode block. + return 0; + } else if (code >= 0xF600 && code <= 0xF8FF) { + return (getSpecialPUASymbols()[code] || code); + } + return code; + } + + function getUnicodeForGlyph(name, glyphsUnicodeMap) { + var unicode = glyphsUnicodeMap[name]; + if (unicode !== undefined) { + return unicode; + } + if (!name) { + return -1; + } + // Try to recover valid Unicode values from 'uniXXXX'/'uXXXX{XX}' glyphs. + if (name[0] === 'u') { + var nameLen = name.length, hexStr; + + if (nameLen === 7 && name[1] === 'n' && name[2] === 'i') { // 'uniXXXX' + hexStr = name.substr(3); + } else if (nameLen >= 5 && nameLen <= 7) { // 'uXXXX{XX}' + hexStr = name.substr(1); + } else { + return -1; + } + // Check for upper-case hexadecimal characters, to avoid false positives. + if (hexStr === hexStr.toUpperCase()) { + unicode = parseInt(hexStr, 16); + if (unicode >= 0) { + return unicode; + } + } + } + return -1; + } + + var UnicodeRanges = [ + { 'begin': 0x0000, 'end': 0x007F }, // Basic Latin + { 'begin': 0x0080, 'end': 0x00FF }, // Latin-1 Supplement + { 'begin': 0x0100, 'end': 0x017F }, // Latin Extended-A + { 'begin': 0x0180, 'end': 0x024F }, // Latin Extended-B + { 'begin': 0x0250, 'end': 0x02AF }, // IPA Extensions + { 'begin': 0x02B0, 'end': 0x02FF }, // Spacing Modifier Letters + { 'begin': 0x0300, 'end': 0x036F }, // Combining Diacritical Marks + { 'begin': 0x0370, 'end': 0x03FF }, // Greek and Coptic + { 'begin': 0x2C80, 'end': 0x2CFF }, // Coptic + { 'begin': 0x0400, 'end': 0x04FF }, // Cyrillic + { 'begin': 0x0530, 'end': 0x058F }, // Armenian + { 'begin': 0x0590, 'end': 0x05FF }, // Hebrew + { 'begin': 0xA500, 'end': 0xA63F }, // Vai + { 'begin': 0x0600, 'end': 0x06FF }, // Arabic + { 'begin': 0x07C0, 'end': 0x07FF }, // NKo + { 'begin': 0x0900, 'end': 0x097F }, // Devanagari + { 'begin': 0x0980, 'end': 0x09FF }, // Bengali + { 'begin': 0x0A00, 'end': 0x0A7F }, // Gurmukhi + { 'begin': 0x0A80, 'end': 0x0AFF }, // Gujarati + { 'begin': 0x0B00, 'end': 0x0B7F }, // Oriya + { 'begin': 0x0B80, 'end': 0x0BFF }, // Tamil + { 'begin': 0x0C00, 'end': 0x0C7F }, // Telugu + { 'begin': 0x0C80, 'end': 0x0CFF }, // Kannada + { 'begin': 0x0D00, 'end': 0x0D7F }, // Malayalam + { 'begin': 0x0E00, 'end': 0x0E7F }, // Thai + { 'begin': 0x0E80, 'end': 0x0EFF }, // Lao + { 'begin': 0x10A0, 'end': 0x10FF }, // Georgian + { 'begin': 0x1B00, 'end': 0x1B7F }, // Balinese + { 'begin': 0x1100, 'end': 0x11FF }, // Hangul Jamo + { 'begin': 0x1E00, 'end': 0x1EFF }, // Latin Extended Additional + { 'begin': 0x1F00, 'end': 0x1FFF }, // Greek Extended + { 'begin': 0x2000, 'end': 0x206F }, // General Punctuation + { 'begin': 0x2070, 'end': 0x209F }, // Superscripts And Subscripts + { 'begin': 0x20A0, 'end': 0x20CF }, // Currency Symbol + { 'begin': 0x20D0, 'end': 0x20FF }, // Combining Diacritical Marks + { 'begin': 0x2100, 'end': 0x214F }, // Letterlike Symbols + { 'begin': 0x2150, 'end': 0x218F }, // Number Forms + { 'begin': 0x2190, 'end': 0x21FF }, // Arrows + { 'begin': 0x2200, 'end': 0x22FF }, // Mathematical Operators + { 'begin': 0x2300, 'end': 0x23FF }, // Miscellaneous Technical + { 'begin': 0x2400, 'end': 0x243F }, // Control Pictures + { 'begin': 0x2440, 'end': 0x245F }, // Optical Character Recognition + { 'begin': 0x2460, 'end': 0x24FF }, // Enclosed Alphanumerics + { 'begin': 0x2500, 'end': 0x257F }, // Box Drawing + { 'begin': 0x2580, 'end': 0x259F }, // Block Elements + { 'begin': 0x25A0, 'end': 0x25FF }, // Geometric Shapes + { 'begin': 0x2600, 'end': 0x26FF }, // Miscellaneous Symbols + { 'begin': 0x2700, 'end': 0x27BF }, // Dingbats + { 'begin': 0x3000, 'end': 0x303F }, // CJK Symbols And Punctuation + { 'begin': 0x3040, 'end': 0x309F }, // Hiragana + { 'begin': 0x30A0, 'end': 0x30FF }, // Katakana + { 'begin': 0x3100, 'end': 0x312F }, // Bopomofo + { 'begin': 0x3130, 'end': 0x318F }, // Hangul Compatibility Jamo + { 'begin': 0xA840, 'end': 0xA87F }, // Phags-pa + { 'begin': 0x3200, 'end': 0x32FF }, // Enclosed CJK Letters And Months + { 'begin': 0x3300, 'end': 0x33FF }, // CJK Compatibility + { 'begin': 0xAC00, 'end': 0xD7AF }, // Hangul Syllables + { 'begin': 0xD800, 'end': 0xDFFF }, // Non-Plane 0 * + { 'begin': 0x10900, 'end': 0x1091F }, // Phoenicia + { 'begin': 0x4E00, 'end': 0x9FFF }, // CJK Unified Ideographs + { 'begin': 0xE000, 'end': 0xF8FF }, // Private Use Area (plane 0) + { 'begin': 0x31C0, 'end': 0x31EF }, // CJK Strokes + { 'begin': 0xFB00, 'end': 0xFB4F }, // Alphabetic Presentation Forms + { 'begin': 0xFB50, 'end': 0xFDFF }, // Arabic Presentation Forms-A + { 'begin': 0xFE20, 'end': 0xFE2F }, // Combining Half Marks + { 'begin': 0xFE10, 'end': 0xFE1F }, // Vertical Forms + { 'begin': 0xFE50, 'end': 0xFE6F }, // Small Form Variants + { 'begin': 0xFE70, 'end': 0xFEFF }, // Arabic Presentation Forms-B + { 'begin': 0xFF00, 'end': 0xFFEF }, // Halfwidth And Fullwidth Forms + { 'begin': 0xFFF0, 'end': 0xFFFF }, // Specials + { 'begin': 0x0F00, 'end': 0x0FFF }, // Tibetan + { 'begin': 0x0700, 'end': 0x074F }, // Syriac + { 'begin': 0x0780, 'end': 0x07BF }, // Thaana + { 'begin': 0x0D80, 'end': 0x0DFF }, // Sinhala + { 'begin': 0x1000, 'end': 0x109F }, // Myanmar + { 'begin': 0x1200, 'end': 0x137F }, // Ethiopic + { 'begin': 0x13A0, 'end': 0x13FF }, // Cherokee + { 'begin': 0x1400, 'end': 0x167F }, // Unified Canadian Aboriginal Syllabics + { 'begin': 0x1680, 'end': 0x169F }, // Ogham + { 'begin': 0x16A0, 'end': 0x16FF }, // Runic + { 'begin': 0x1780, 'end': 0x17FF }, // Khmer + { 'begin': 0x1800, 'end': 0x18AF }, // Mongolian + { 'begin': 0x2800, 'end': 0x28FF }, // Braille Patterns + { 'begin': 0xA000, 'end': 0xA48F }, // Yi Syllables + { 'begin': 0x1700, 'end': 0x171F }, // Tagalog + { 'begin': 0x10300, 'end': 0x1032F }, // Old Italic + { 'begin': 0x10330, 'end': 0x1034F }, // Gothic + { 'begin': 0x10400, 'end': 0x1044F }, // Deseret + { 'begin': 0x1D000, 'end': 0x1D0FF }, // Byzantine Musical Symbols + { 'begin': 0x1D400, 'end': 0x1D7FF }, // Mathematical Alphanumeric Symbols + { 'begin': 0xFF000, 'end': 0xFFFFD }, // Private Use (plane 15) + { 'begin': 0xFE00, 'end': 0xFE0F }, // Variation Selectors + { 'begin': 0xE0000, 'end': 0xE007F }, // Tags + { 'begin': 0x1900, 'end': 0x194F }, // Limbu + { 'begin': 0x1950, 'end': 0x197F }, // Tai Le + { 'begin': 0x1980, 'end': 0x19DF }, // New Tai Lue + { 'begin': 0x1A00, 'end': 0x1A1F }, // Buginese + { 'begin': 0x2C00, 'end': 0x2C5F }, // Glagolitic + { 'begin': 0x2D30, 'end': 0x2D7F }, // Tifinagh + { 'begin': 0x4DC0, 'end': 0x4DFF }, // Yijing Hexagram Symbols + { 'begin': 0xA800, 'end': 0xA82F }, // Syloti Nagri + { 'begin': 0x10000, 'end': 0x1007F }, // Linear B Syllabary + { 'begin': 0x10140, 'end': 0x1018F }, // Ancient Greek Numbers + { 'begin': 0x10380, 'end': 0x1039F }, // Ugaritic + { 'begin': 0x103A0, 'end': 0x103DF }, // Old Persian + { 'begin': 0x10450, 'end': 0x1047F }, // Shavian + { 'begin': 0x10480, 'end': 0x104AF }, // Osmanya + { 'begin': 0x10800, 'end': 0x1083F }, // Cypriot Syllabary + { 'begin': 0x10A00, 'end': 0x10A5F }, // Kharoshthi + { 'begin': 0x1D300, 'end': 0x1D35F }, // Tai Xuan Jing Symbols + { 'begin': 0x12000, 'end': 0x123FF }, // Cuneiform + { 'begin': 0x1D360, 'end': 0x1D37F }, // Counting Rod Numerals + { 'begin': 0x1B80, 'end': 0x1BBF }, // Sundanese + { 'begin': 0x1C00, 'end': 0x1C4F }, // Lepcha + { 'begin': 0x1C50, 'end': 0x1C7F }, // Ol Chiki + { 'begin': 0xA880, 'end': 0xA8DF }, // Saurashtra + { 'begin': 0xA900, 'end': 0xA92F }, // Kayah Li + { 'begin': 0xA930, 'end': 0xA95F }, // Rejang + { 'begin': 0xAA00, 'end': 0xAA5F }, // Cham + { 'begin': 0x10190, 'end': 0x101CF }, // Ancient Symbols + { 'begin': 0x101D0, 'end': 0x101FF }, // Phaistos Disc + { 'begin': 0x102A0, 'end': 0x102DF }, // Carian + { 'begin': 0x1F030, 'end': 0x1F09F } // Domino Tiles + ]; + + function getUnicodeRangeFor(value) { + for (var i = 0, ii = UnicodeRanges.length; i < ii; i++) { + var range = UnicodeRanges[i]; + if (value >= range.begin && value < range.end) { + return i; + } + } + return -1; + } + + function isRTLRangeFor(value) { + var range = UnicodeRanges[13]; + if (value >= range.begin && value < range.end) { + return true; + } + range = UnicodeRanges[11]; + if (value >= range.begin && value < range.end) { + return true; + } + return false; + } + + // The normalization table is obtained by filtering the Unicode characters + // database with entries. + var getNormalizedUnicodes = getLookupTableFactory(function (t) { + t['\u00A8'] = '\u0020\u0308'; + t['\u00AF'] = '\u0020\u0304'; + t['\u00B4'] = '\u0020\u0301'; + t['\u00B5'] = '\u03BC'; + t['\u00B8'] = '\u0020\u0327'; + t['\u0132'] = '\u0049\u004A'; + t['\u0133'] = '\u0069\u006A'; + t['\u013F'] = '\u004C\u00B7'; + t['\u0140'] = '\u006C\u00B7'; + t['\u0149'] = '\u02BC\u006E'; + t['\u017F'] = '\u0073'; + t['\u01C4'] = '\u0044\u017D'; + t['\u01C5'] = '\u0044\u017E'; + t['\u01C6'] = '\u0064\u017E'; + t['\u01C7'] = '\u004C\u004A'; + t['\u01C8'] = '\u004C\u006A'; + t['\u01C9'] = '\u006C\u006A'; + t['\u01CA'] = '\u004E\u004A'; + t['\u01CB'] = '\u004E\u006A'; + t['\u01CC'] = '\u006E\u006A'; + t['\u01F1'] = '\u0044\u005A'; + t['\u01F2'] = '\u0044\u007A'; + t['\u01F3'] = '\u0064\u007A'; + t['\u02D8'] = '\u0020\u0306'; + t['\u02D9'] = '\u0020\u0307'; + t['\u02DA'] = '\u0020\u030A'; + t['\u02DB'] = '\u0020\u0328'; + t['\u02DC'] = '\u0020\u0303'; + t['\u02DD'] = '\u0020\u030B'; + t['\u037A'] = '\u0020\u0345'; + t['\u0384'] = '\u0020\u0301'; + t['\u03D0'] = '\u03B2'; + t['\u03D1'] = '\u03B8'; + t['\u03D2'] = '\u03A5'; + t['\u03D5'] = '\u03C6'; + t['\u03D6'] = '\u03C0'; + t['\u03F0'] = '\u03BA'; + t['\u03F1'] = '\u03C1'; + t['\u03F2'] = '\u03C2'; + t['\u03F4'] = '\u0398'; + t['\u03F5'] = '\u03B5'; + t['\u03F9'] = '\u03A3'; + t['\u0587'] = '\u0565\u0582'; + t['\u0675'] = '\u0627\u0674'; + t['\u0676'] = '\u0648\u0674'; + t['\u0677'] = '\u06C7\u0674'; + t['\u0678'] = '\u064A\u0674'; + t['\u0E33'] = '\u0E4D\u0E32'; + t['\u0EB3'] = '\u0ECD\u0EB2'; + t['\u0EDC'] = '\u0EAB\u0E99'; + t['\u0EDD'] = '\u0EAB\u0EA1'; + t['\u0F77'] = '\u0FB2\u0F81'; + t['\u0F79'] = '\u0FB3\u0F81'; + t['\u1E9A'] = '\u0061\u02BE'; + t['\u1FBD'] = '\u0020\u0313'; + t['\u1FBF'] = '\u0020\u0313'; + t['\u1FC0'] = '\u0020\u0342'; + t['\u1FFE'] = '\u0020\u0314'; + t['\u2002'] = '\u0020'; + t['\u2003'] = '\u0020'; + t['\u2004'] = '\u0020'; + t['\u2005'] = '\u0020'; + t['\u2006'] = '\u0020'; + t['\u2008'] = '\u0020'; + t['\u2009'] = '\u0020'; + t['\u200A'] = '\u0020'; + t['\u2017'] = '\u0020\u0333'; + t['\u2024'] = '\u002E'; + t['\u2025'] = '\u002E\u002E'; + t['\u2026'] = '\u002E\u002E\u002E'; + t['\u2033'] = '\u2032\u2032'; + t['\u2034'] = '\u2032\u2032\u2032'; + t['\u2036'] = '\u2035\u2035'; + t['\u2037'] = '\u2035\u2035\u2035'; + t['\u203C'] = '\u0021\u0021'; + t['\u203E'] = '\u0020\u0305'; + t['\u2047'] = '\u003F\u003F'; + t['\u2048'] = '\u003F\u0021'; + t['\u2049'] = '\u0021\u003F'; + t['\u2057'] = '\u2032\u2032\u2032\u2032'; + t['\u205F'] = '\u0020'; + t['\u20A8'] = '\u0052\u0073'; + t['\u2100'] = '\u0061\u002F\u0063'; + t['\u2101'] = '\u0061\u002F\u0073'; + t['\u2103'] = '\u00B0\u0043'; + t['\u2105'] = '\u0063\u002F\u006F'; + t['\u2106'] = '\u0063\u002F\u0075'; + t['\u2107'] = '\u0190'; + t['\u2109'] = '\u00B0\u0046'; + t['\u2116'] = '\u004E\u006F'; + t['\u2121'] = '\u0054\u0045\u004C'; + t['\u2135'] = '\u05D0'; + t['\u2136'] = '\u05D1'; + t['\u2137'] = '\u05D2'; + t['\u2138'] = '\u05D3'; + t['\u213B'] = '\u0046\u0041\u0058'; + t['\u2160'] = '\u0049'; + t['\u2161'] = '\u0049\u0049'; + t['\u2162'] = '\u0049\u0049\u0049'; + t['\u2163'] = '\u0049\u0056'; + t['\u2164'] = '\u0056'; + t['\u2165'] = '\u0056\u0049'; + t['\u2166'] = '\u0056\u0049\u0049'; + t['\u2167'] = '\u0056\u0049\u0049\u0049'; + t['\u2168'] = '\u0049\u0058'; + t['\u2169'] = '\u0058'; + t['\u216A'] = '\u0058\u0049'; + t['\u216B'] = '\u0058\u0049\u0049'; + t['\u216C'] = '\u004C'; + t['\u216D'] = '\u0043'; + t['\u216E'] = '\u0044'; + t['\u216F'] = '\u004D'; + t['\u2170'] = '\u0069'; + t['\u2171'] = '\u0069\u0069'; + t['\u2172'] = '\u0069\u0069\u0069'; + t['\u2173'] = '\u0069\u0076'; + t['\u2174'] = '\u0076'; + t['\u2175'] = '\u0076\u0069'; + t['\u2176'] = '\u0076\u0069\u0069'; + t['\u2177'] = '\u0076\u0069\u0069\u0069'; + t['\u2178'] = '\u0069\u0078'; + t['\u2179'] = '\u0078'; + t['\u217A'] = '\u0078\u0069'; + t['\u217B'] = '\u0078\u0069\u0069'; + t['\u217C'] = '\u006C'; + t['\u217D'] = '\u0063'; + t['\u217E'] = '\u0064'; + t['\u217F'] = '\u006D'; + t['\u222C'] = '\u222B\u222B'; + t['\u222D'] = '\u222B\u222B\u222B'; + t['\u222F'] = '\u222E\u222E'; + t['\u2230'] = '\u222E\u222E\u222E'; + t['\u2474'] = '\u0028\u0031\u0029'; + t['\u2475'] = '\u0028\u0032\u0029'; + t['\u2476'] = '\u0028\u0033\u0029'; + t['\u2477'] = '\u0028\u0034\u0029'; + t['\u2478'] = '\u0028\u0035\u0029'; + t['\u2479'] = '\u0028\u0036\u0029'; + t['\u247A'] = '\u0028\u0037\u0029'; + t['\u247B'] = '\u0028\u0038\u0029'; + t['\u247C'] = '\u0028\u0039\u0029'; + t['\u247D'] = '\u0028\u0031\u0030\u0029'; + t['\u247E'] = '\u0028\u0031\u0031\u0029'; + t['\u247F'] = '\u0028\u0031\u0032\u0029'; + t['\u2480'] = '\u0028\u0031\u0033\u0029'; + t['\u2481'] = '\u0028\u0031\u0034\u0029'; + t['\u2482'] = '\u0028\u0031\u0035\u0029'; + t['\u2483'] = '\u0028\u0031\u0036\u0029'; + t['\u2484'] = '\u0028\u0031\u0037\u0029'; + t['\u2485'] = '\u0028\u0031\u0038\u0029'; + t['\u2486'] = '\u0028\u0031\u0039\u0029'; + t['\u2487'] = '\u0028\u0032\u0030\u0029'; + t['\u2488'] = '\u0031\u002E'; + t['\u2489'] = '\u0032\u002E'; + t['\u248A'] = '\u0033\u002E'; + t['\u248B'] = '\u0034\u002E'; + t['\u248C'] = '\u0035\u002E'; + t['\u248D'] = '\u0036\u002E'; + t['\u248E'] = '\u0037\u002E'; + t['\u248F'] = '\u0038\u002E'; + t['\u2490'] = '\u0039\u002E'; + t['\u2491'] = '\u0031\u0030\u002E'; + t['\u2492'] = '\u0031\u0031\u002E'; + t['\u2493'] = '\u0031\u0032\u002E'; + t['\u2494'] = '\u0031\u0033\u002E'; + t['\u2495'] = '\u0031\u0034\u002E'; + t['\u2496'] = '\u0031\u0035\u002E'; + t['\u2497'] = '\u0031\u0036\u002E'; + t['\u2498'] = '\u0031\u0037\u002E'; + t['\u2499'] = '\u0031\u0038\u002E'; + t['\u249A'] = '\u0031\u0039\u002E'; + t['\u249B'] = '\u0032\u0030\u002E'; + t['\u249C'] = '\u0028\u0061\u0029'; + t['\u249D'] = '\u0028\u0062\u0029'; + t['\u249E'] = '\u0028\u0063\u0029'; + t['\u249F'] = '\u0028\u0064\u0029'; + t['\u24A0'] = '\u0028\u0065\u0029'; + t['\u24A1'] = '\u0028\u0066\u0029'; + t['\u24A2'] = '\u0028\u0067\u0029'; + t['\u24A3'] = '\u0028\u0068\u0029'; + t['\u24A4'] = '\u0028\u0069\u0029'; + t['\u24A5'] = '\u0028\u006A\u0029'; + t['\u24A6'] = '\u0028\u006B\u0029'; + t['\u24A7'] = '\u0028\u006C\u0029'; + t['\u24A8'] = '\u0028\u006D\u0029'; + t['\u24A9'] = '\u0028\u006E\u0029'; + t['\u24AA'] = '\u0028\u006F\u0029'; + t['\u24AB'] = '\u0028\u0070\u0029'; + t['\u24AC'] = '\u0028\u0071\u0029'; + t['\u24AD'] = '\u0028\u0072\u0029'; + t['\u24AE'] = '\u0028\u0073\u0029'; + t['\u24AF'] = '\u0028\u0074\u0029'; + t['\u24B0'] = '\u0028\u0075\u0029'; + t['\u24B1'] = '\u0028\u0076\u0029'; + t['\u24B2'] = '\u0028\u0077\u0029'; + t['\u24B3'] = '\u0028\u0078\u0029'; + t['\u24B4'] = '\u0028\u0079\u0029'; + t['\u24B5'] = '\u0028\u007A\u0029'; + t['\u2A0C'] = '\u222B\u222B\u222B\u222B'; + t['\u2A74'] = '\u003A\u003A\u003D'; + t['\u2A75'] = '\u003D\u003D'; + t['\u2A76'] = '\u003D\u003D\u003D'; + t['\u2E9F'] = '\u6BCD'; + t['\u2EF3'] = '\u9F9F'; + t['\u2F00'] = '\u4E00'; + t['\u2F01'] = '\u4E28'; + t['\u2F02'] = '\u4E36'; + t['\u2F03'] = '\u4E3F'; + t['\u2F04'] = '\u4E59'; + t['\u2F05'] = '\u4E85'; + t['\u2F06'] = '\u4E8C'; + t['\u2F07'] = '\u4EA0'; + t['\u2F08'] = '\u4EBA'; + t['\u2F09'] = '\u513F'; + t['\u2F0A'] = '\u5165'; + t['\u2F0B'] = '\u516B'; + t['\u2F0C'] = '\u5182'; + t['\u2F0D'] = '\u5196'; + t['\u2F0E'] = '\u51AB'; + t['\u2F0F'] = '\u51E0'; + t['\u2F10'] = '\u51F5'; + t['\u2F11'] = '\u5200'; + t['\u2F12'] = '\u529B'; + t['\u2F13'] = '\u52F9'; + t['\u2F14'] = '\u5315'; + t['\u2F15'] = '\u531A'; + t['\u2F16'] = '\u5338'; + t['\u2F17'] = '\u5341'; + t['\u2F18'] = '\u535C'; + t['\u2F19'] = '\u5369'; + t['\u2F1A'] = '\u5382'; + t['\u2F1B'] = '\u53B6'; + t['\u2F1C'] = '\u53C8'; + t['\u2F1D'] = '\u53E3'; + t['\u2F1E'] = '\u56D7'; + t['\u2F1F'] = '\u571F'; + t['\u2F20'] = '\u58EB'; + t['\u2F21'] = '\u5902'; + t['\u2F22'] = '\u590A'; + t['\u2F23'] = '\u5915'; + t['\u2F24'] = '\u5927'; + t['\u2F25'] = '\u5973'; + t['\u2F26'] = '\u5B50'; + t['\u2F27'] = '\u5B80'; + t['\u2F28'] = '\u5BF8'; + t['\u2F29'] = '\u5C0F'; + t['\u2F2A'] = '\u5C22'; + t['\u2F2B'] = '\u5C38'; + t['\u2F2C'] = '\u5C6E'; + t['\u2F2D'] = '\u5C71'; + t['\u2F2E'] = '\u5DDB'; + t['\u2F2F'] = '\u5DE5'; + t['\u2F30'] = '\u5DF1'; + t['\u2F31'] = '\u5DFE'; + t['\u2F32'] = '\u5E72'; + t['\u2F33'] = '\u5E7A'; + t['\u2F34'] = '\u5E7F'; + t['\u2F35'] = '\u5EF4'; + t['\u2F36'] = '\u5EFE'; + t['\u2F37'] = '\u5F0B'; + t['\u2F38'] = '\u5F13'; + t['\u2F39'] = '\u5F50'; + t['\u2F3A'] = '\u5F61'; + t['\u2F3B'] = '\u5F73'; + t['\u2F3C'] = '\u5FC3'; + t['\u2F3D'] = '\u6208'; + t['\u2F3E'] = '\u6236'; + t['\u2F3F'] = '\u624B'; + t['\u2F40'] = '\u652F'; + t['\u2F41'] = '\u6534'; + t['\u2F42'] = '\u6587'; + t['\u2F43'] = '\u6597'; + t['\u2F44'] = '\u65A4'; + t['\u2F45'] = '\u65B9'; + t['\u2F46'] = '\u65E0'; + t['\u2F47'] = '\u65E5'; + t['\u2F48'] = '\u66F0'; + t['\u2F49'] = '\u6708'; + t['\u2F4A'] = '\u6728'; + t['\u2F4B'] = '\u6B20'; + t['\u2F4C'] = '\u6B62'; + t['\u2F4D'] = '\u6B79'; + t['\u2F4E'] = '\u6BB3'; + t['\u2F4F'] = '\u6BCB'; + t['\u2F50'] = '\u6BD4'; + t['\u2F51'] = '\u6BDB'; + t['\u2F52'] = '\u6C0F'; + t['\u2F53'] = '\u6C14'; + t['\u2F54'] = '\u6C34'; + t['\u2F55'] = '\u706B'; + t['\u2F56'] = '\u722A'; + t['\u2F57'] = '\u7236'; + t['\u2F58'] = '\u723B'; + t['\u2F59'] = '\u723F'; + t['\u2F5A'] = '\u7247'; + t['\u2F5B'] = '\u7259'; + t['\u2F5C'] = '\u725B'; + t['\u2F5D'] = '\u72AC'; + t['\u2F5E'] = '\u7384'; + t['\u2F5F'] = '\u7389'; + t['\u2F60'] = '\u74DC'; + t['\u2F61'] = '\u74E6'; + t['\u2F62'] = '\u7518'; + t['\u2F63'] = '\u751F'; + t['\u2F64'] = '\u7528'; + t['\u2F65'] = '\u7530'; + t['\u2F66'] = '\u758B'; + t['\u2F67'] = '\u7592'; + t['\u2F68'] = '\u7676'; + t['\u2F69'] = '\u767D'; + t['\u2F6A'] = '\u76AE'; + t['\u2F6B'] = '\u76BF'; + t['\u2F6C'] = '\u76EE'; + t['\u2F6D'] = '\u77DB'; + t['\u2F6E'] = '\u77E2'; + t['\u2F6F'] = '\u77F3'; + t['\u2F70'] = '\u793A'; + t['\u2F71'] = '\u79B8'; + t['\u2F72'] = '\u79BE'; + t['\u2F73'] = '\u7A74'; + t['\u2F74'] = '\u7ACB'; + t['\u2F75'] = '\u7AF9'; + t['\u2F76'] = '\u7C73'; + t['\u2F77'] = '\u7CF8'; + t['\u2F78'] = '\u7F36'; + t['\u2F79'] = '\u7F51'; + t['\u2F7A'] = '\u7F8A'; + t['\u2F7B'] = '\u7FBD'; + t['\u2F7C'] = '\u8001'; + t['\u2F7D'] = '\u800C'; + t['\u2F7E'] = '\u8012'; + t['\u2F7F'] = '\u8033'; + t['\u2F80'] = '\u807F'; + t['\u2F81'] = '\u8089'; + t['\u2F82'] = '\u81E3'; + t['\u2F83'] = '\u81EA'; + t['\u2F84'] = '\u81F3'; + t['\u2F85'] = '\u81FC'; + t['\u2F86'] = '\u820C'; + t['\u2F87'] = '\u821B'; + t['\u2F88'] = '\u821F'; + t['\u2F89'] = '\u826E'; + t['\u2F8A'] = '\u8272'; + t['\u2F8B'] = '\u8278'; + t['\u2F8C'] = '\u864D'; + t['\u2F8D'] = '\u866B'; + t['\u2F8E'] = '\u8840'; + t['\u2F8F'] = '\u884C'; + t['\u2F90'] = '\u8863'; + t['\u2F91'] = '\u897E'; + t['\u2F92'] = '\u898B'; + t['\u2F93'] = '\u89D2'; + t['\u2F94'] = '\u8A00'; + t['\u2F95'] = '\u8C37'; + t['\u2F96'] = '\u8C46'; + t['\u2F97'] = '\u8C55'; + t['\u2F98'] = '\u8C78'; + t['\u2F99'] = '\u8C9D'; + t['\u2F9A'] = '\u8D64'; + t['\u2F9B'] = '\u8D70'; + t['\u2F9C'] = '\u8DB3'; + t['\u2F9D'] = '\u8EAB'; + t['\u2F9E'] = '\u8ECA'; + t['\u2F9F'] = '\u8F9B'; + t['\u2FA0'] = '\u8FB0'; + t['\u2FA1'] = '\u8FB5'; + t['\u2FA2'] = '\u9091'; + t['\u2FA3'] = '\u9149'; + t['\u2FA4'] = '\u91C6'; + t['\u2FA5'] = '\u91CC'; + t['\u2FA6'] = '\u91D1'; + t['\u2FA7'] = '\u9577'; + t['\u2FA8'] = '\u9580'; + t['\u2FA9'] = '\u961C'; + t['\u2FAA'] = '\u96B6'; + t['\u2FAB'] = '\u96B9'; + t['\u2FAC'] = '\u96E8'; + t['\u2FAD'] = '\u9751'; + t['\u2FAE'] = '\u975E'; + t['\u2FAF'] = '\u9762'; + t['\u2FB0'] = '\u9769'; + t['\u2FB1'] = '\u97CB'; + t['\u2FB2'] = '\u97ED'; + t['\u2FB3'] = '\u97F3'; + t['\u2FB4'] = '\u9801'; + t['\u2FB5'] = '\u98A8'; + t['\u2FB6'] = '\u98DB'; + t['\u2FB7'] = '\u98DF'; + t['\u2FB8'] = '\u9996'; + t['\u2FB9'] = '\u9999'; + t['\u2FBA'] = '\u99AC'; + t['\u2FBB'] = '\u9AA8'; + t['\u2FBC'] = '\u9AD8'; + t['\u2FBD'] = '\u9ADF'; + t['\u2FBE'] = '\u9B25'; + t['\u2FBF'] = '\u9B2F'; + t['\u2FC0'] = '\u9B32'; + t['\u2FC1'] = '\u9B3C'; + t['\u2FC2'] = '\u9B5A'; + t['\u2FC3'] = '\u9CE5'; + t['\u2FC4'] = '\u9E75'; + t['\u2FC5'] = '\u9E7F'; + t['\u2FC6'] = '\u9EA5'; + t['\u2FC7'] = '\u9EBB'; + t['\u2FC8'] = '\u9EC3'; + t['\u2FC9'] = '\u9ECD'; + t['\u2FCA'] = '\u9ED1'; + t['\u2FCB'] = '\u9EF9'; + t['\u2FCC'] = '\u9EFD'; + t['\u2FCD'] = '\u9F0E'; + t['\u2FCE'] = '\u9F13'; + t['\u2FCF'] = '\u9F20'; + t['\u2FD0'] = '\u9F3B'; + t['\u2FD1'] = '\u9F4A'; + t['\u2FD2'] = '\u9F52'; + t['\u2FD3'] = '\u9F8D'; + t['\u2FD4'] = '\u9F9C'; + t['\u2FD5'] = '\u9FA0'; + t['\u3036'] = '\u3012'; + t['\u3038'] = '\u5341'; + t['\u3039'] = '\u5344'; + t['\u303A'] = '\u5345'; + t['\u309B'] = '\u0020\u3099'; + t['\u309C'] = '\u0020\u309A'; + t['\u3131'] = '\u1100'; + t['\u3132'] = '\u1101'; + t['\u3133'] = '\u11AA'; + t['\u3134'] = '\u1102'; + t['\u3135'] = '\u11AC'; + t['\u3136'] = '\u11AD'; + t['\u3137'] = '\u1103'; + t['\u3138'] = '\u1104'; + t['\u3139'] = '\u1105'; + t['\u313A'] = '\u11B0'; + t['\u313B'] = '\u11B1'; + t['\u313C'] = '\u11B2'; + t['\u313D'] = '\u11B3'; + t['\u313E'] = '\u11B4'; + t['\u313F'] = '\u11B5'; + t['\u3140'] = '\u111A'; + t['\u3141'] = '\u1106'; + t['\u3142'] = '\u1107'; + t['\u3143'] = '\u1108'; + t['\u3144'] = '\u1121'; + t['\u3145'] = '\u1109'; + t['\u3146'] = '\u110A'; + t['\u3147'] = '\u110B'; + t['\u3148'] = '\u110C'; + t['\u3149'] = '\u110D'; + t['\u314A'] = '\u110E'; + t['\u314B'] = '\u110F'; + t['\u314C'] = '\u1110'; + t['\u314D'] = '\u1111'; + t['\u314E'] = '\u1112'; + t['\u314F'] = '\u1161'; + t['\u3150'] = '\u1162'; + t['\u3151'] = '\u1163'; + t['\u3152'] = '\u1164'; + t['\u3153'] = '\u1165'; + t['\u3154'] = '\u1166'; + t['\u3155'] = '\u1167'; + t['\u3156'] = '\u1168'; + t['\u3157'] = '\u1169'; + t['\u3158'] = '\u116A'; + t['\u3159'] = '\u116B'; + t['\u315A'] = '\u116C'; + t['\u315B'] = '\u116D'; + t['\u315C'] = '\u116E'; + t['\u315D'] = '\u116F'; + t['\u315E'] = '\u1170'; + t['\u315F'] = '\u1171'; + t['\u3160'] = '\u1172'; + t['\u3161'] = '\u1173'; + t['\u3162'] = '\u1174'; + t['\u3163'] = '\u1175'; + t['\u3164'] = '\u1160'; + t['\u3165'] = '\u1114'; + t['\u3166'] = '\u1115'; + t['\u3167'] = '\u11C7'; + t['\u3168'] = '\u11C8'; + t['\u3169'] = '\u11CC'; + t['\u316A'] = '\u11CE'; + t['\u316B'] = '\u11D3'; + t['\u316C'] = '\u11D7'; + t['\u316D'] = '\u11D9'; + t['\u316E'] = '\u111C'; + t['\u316F'] = '\u11DD'; + t['\u3170'] = '\u11DF'; + t['\u3171'] = '\u111D'; + t['\u3172'] = '\u111E'; + t['\u3173'] = '\u1120'; + t['\u3174'] = '\u1122'; + t['\u3175'] = '\u1123'; + t['\u3176'] = '\u1127'; + t['\u3177'] = '\u1129'; + t['\u3178'] = '\u112B'; + t['\u3179'] = '\u112C'; + t['\u317A'] = '\u112D'; + t['\u317B'] = '\u112E'; + t['\u317C'] = '\u112F'; + t['\u317D'] = '\u1132'; + t['\u317E'] = '\u1136'; + t['\u317F'] = '\u1140'; + t['\u3180'] = '\u1147'; + t['\u3181'] = '\u114C'; + t['\u3182'] = '\u11F1'; + t['\u3183'] = '\u11F2'; + t['\u3184'] = '\u1157'; + t['\u3185'] = '\u1158'; + t['\u3186'] = '\u1159'; + t['\u3187'] = '\u1184'; + t['\u3188'] = '\u1185'; + t['\u3189'] = '\u1188'; + t['\u318A'] = '\u1191'; + t['\u318B'] = '\u1192'; + t['\u318C'] = '\u1194'; + t['\u318D'] = '\u119E'; + t['\u318E'] = '\u11A1'; + t['\u3200'] = '\u0028\u1100\u0029'; + t['\u3201'] = '\u0028\u1102\u0029'; + t['\u3202'] = '\u0028\u1103\u0029'; + t['\u3203'] = '\u0028\u1105\u0029'; + t['\u3204'] = '\u0028\u1106\u0029'; + t['\u3205'] = '\u0028\u1107\u0029'; + t['\u3206'] = '\u0028\u1109\u0029'; + t['\u3207'] = '\u0028\u110B\u0029'; + t['\u3208'] = '\u0028\u110C\u0029'; + t['\u3209'] = '\u0028\u110E\u0029'; + t['\u320A'] = '\u0028\u110F\u0029'; + t['\u320B'] = '\u0028\u1110\u0029'; + t['\u320C'] = '\u0028\u1111\u0029'; + t['\u320D'] = '\u0028\u1112\u0029'; + t['\u320E'] = '\u0028\u1100\u1161\u0029'; + t['\u320F'] = '\u0028\u1102\u1161\u0029'; + t['\u3210'] = '\u0028\u1103\u1161\u0029'; + t['\u3211'] = '\u0028\u1105\u1161\u0029'; + t['\u3212'] = '\u0028\u1106\u1161\u0029'; + t['\u3213'] = '\u0028\u1107\u1161\u0029'; + t['\u3214'] = '\u0028\u1109\u1161\u0029'; + t['\u3215'] = '\u0028\u110B\u1161\u0029'; + t['\u3216'] = '\u0028\u110C\u1161\u0029'; + t['\u3217'] = '\u0028\u110E\u1161\u0029'; + t['\u3218'] = '\u0028\u110F\u1161\u0029'; + t['\u3219'] = '\u0028\u1110\u1161\u0029'; + t['\u321A'] = '\u0028\u1111\u1161\u0029'; + t['\u321B'] = '\u0028\u1112\u1161\u0029'; + t['\u321C'] = '\u0028\u110C\u116E\u0029'; + t['\u321D'] = '\u0028\u110B\u1169\u110C\u1165\u11AB\u0029'; + t['\u321E'] = '\u0028\u110B\u1169\u1112\u116E\u0029'; + t['\u3220'] = '\u0028\u4E00\u0029'; + t['\u3221'] = '\u0028\u4E8C\u0029'; + t['\u3222'] = '\u0028\u4E09\u0029'; + t['\u3223'] = '\u0028\u56DB\u0029'; + t['\u3224'] = '\u0028\u4E94\u0029'; + t['\u3225'] = '\u0028\u516D\u0029'; + t['\u3226'] = '\u0028\u4E03\u0029'; + t['\u3227'] = '\u0028\u516B\u0029'; + t['\u3228'] = '\u0028\u4E5D\u0029'; + t['\u3229'] = '\u0028\u5341\u0029'; + t['\u322A'] = '\u0028\u6708\u0029'; + t['\u322B'] = '\u0028\u706B\u0029'; + t['\u322C'] = '\u0028\u6C34\u0029'; + t['\u322D'] = '\u0028\u6728\u0029'; + t['\u322E'] = '\u0028\u91D1\u0029'; + t['\u322F'] = '\u0028\u571F\u0029'; + t['\u3230'] = '\u0028\u65E5\u0029'; + t['\u3231'] = '\u0028\u682A\u0029'; + t['\u3232'] = '\u0028\u6709\u0029'; + t['\u3233'] = '\u0028\u793E\u0029'; + t['\u3234'] = '\u0028\u540D\u0029'; + t['\u3235'] = '\u0028\u7279\u0029'; + t['\u3236'] = '\u0028\u8CA1\u0029'; + t['\u3237'] = '\u0028\u795D\u0029'; + t['\u3238'] = '\u0028\u52B4\u0029'; + t['\u3239'] = '\u0028\u4EE3\u0029'; + t['\u323A'] = '\u0028\u547C\u0029'; + t['\u323B'] = '\u0028\u5B66\u0029'; + t['\u323C'] = '\u0028\u76E3\u0029'; + t['\u323D'] = '\u0028\u4F01\u0029'; + t['\u323E'] = '\u0028\u8CC7\u0029'; + t['\u323F'] = '\u0028\u5354\u0029'; + t['\u3240'] = '\u0028\u796D\u0029'; + t['\u3241'] = '\u0028\u4F11\u0029'; + t['\u3242'] = '\u0028\u81EA\u0029'; + t['\u3243'] = '\u0028\u81F3\u0029'; + t['\u32C0'] = '\u0031\u6708'; + t['\u32C1'] = '\u0032\u6708'; + t['\u32C2'] = '\u0033\u6708'; + t['\u32C3'] = '\u0034\u6708'; + t['\u32C4'] = '\u0035\u6708'; + t['\u32C5'] = '\u0036\u6708'; + t['\u32C6'] = '\u0037\u6708'; + t['\u32C7'] = '\u0038\u6708'; + t['\u32C8'] = '\u0039\u6708'; + t['\u32C9'] = '\u0031\u0030\u6708'; + t['\u32CA'] = '\u0031\u0031\u6708'; + t['\u32CB'] = '\u0031\u0032\u6708'; + t['\u3358'] = '\u0030\u70B9'; + t['\u3359'] = '\u0031\u70B9'; + t['\u335A'] = '\u0032\u70B9'; + t['\u335B'] = '\u0033\u70B9'; + t['\u335C'] = '\u0034\u70B9'; + t['\u335D'] = '\u0035\u70B9'; + t['\u335E'] = '\u0036\u70B9'; + t['\u335F'] = '\u0037\u70B9'; + t['\u3360'] = '\u0038\u70B9'; + t['\u3361'] = '\u0039\u70B9'; + t['\u3362'] = '\u0031\u0030\u70B9'; + t['\u3363'] = '\u0031\u0031\u70B9'; + t['\u3364'] = '\u0031\u0032\u70B9'; + t['\u3365'] = '\u0031\u0033\u70B9'; + t['\u3366'] = '\u0031\u0034\u70B9'; + t['\u3367'] = '\u0031\u0035\u70B9'; + t['\u3368'] = '\u0031\u0036\u70B9'; + t['\u3369'] = '\u0031\u0037\u70B9'; + t['\u336A'] = '\u0031\u0038\u70B9'; + t['\u336B'] = '\u0031\u0039\u70B9'; + t['\u336C'] = '\u0032\u0030\u70B9'; + t['\u336D'] = '\u0032\u0031\u70B9'; + t['\u336E'] = '\u0032\u0032\u70B9'; + t['\u336F'] = '\u0032\u0033\u70B9'; + t['\u3370'] = '\u0032\u0034\u70B9'; + t['\u33E0'] = '\u0031\u65E5'; + t['\u33E1'] = '\u0032\u65E5'; + t['\u33E2'] = '\u0033\u65E5'; + t['\u33E3'] = '\u0034\u65E5'; + t['\u33E4'] = '\u0035\u65E5'; + t['\u33E5'] = '\u0036\u65E5'; + t['\u33E6'] = '\u0037\u65E5'; + t['\u33E7'] = '\u0038\u65E5'; + t['\u33E8'] = '\u0039\u65E5'; + t['\u33E9'] = '\u0031\u0030\u65E5'; + t['\u33EA'] = '\u0031\u0031\u65E5'; + t['\u33EB'] = '\u0031\u0032\u65E5'; + t['\u33EC'] = '\u0031\u0033\u65E5'; + t['\u33ED'] = '\u0031\u0034\u65E5'; + t['\u33EE'] = '\u0031\u0035\u65E5'; + t['\u33EF'] = '\u0031\u0036\u65E5'; + t['\u33F0'] = '\u0031\u0037\u65E5'; + t['\u33F1'] = '\u0031\u0038\u65E5'; + t['\u33F2'] = '\u0031\u0039\u65E5'; + t['\u33F3'] = '\u0032\u0030\u65E5'; + t['\u33F4'] = '\u0032\u0031\u65E5'; + t['\u33F5'] = '\u0032\u0032\u65E5'; + t['\u33F6'] = '\u0032\u0033\u65E5'; + t['\u33F7'] = '\u0032\u0034\u65E5'; + t['\u33F8'] = '\u0032\u0035\u65E5'; + t['\u33F9'] = '\u0032\u0036\u65E5'; + t['\u33FA'] = '\u0032\u0037\u65E5'; + t['\u33FB'] = '\u0032\u0038\u65E5'; + t['\u33FC'] = '\u0032\u0039\u65E5'; + t['\u33FD'] = '\u0033\u0030\u65E5'; + t['\u33FE'] = '\u0033\u0031\u65E5'; + t['\uFB00'] = '\u0066\u0066'; + t['\uFB01'] = '\u0066\u0069'; + t['\uFB02'] = '\u0066\u006C'; + t['\uFB03'] = '\u0066\u0066\u0069'; + t['\uFB04'] = '\u0066\u0066\u006C'; + t['\uFB05'] = '\u017F\u0074'; + t['\uFB06'] = '\u0073\u0074'; + t['\uFB13'] = '\u0574\u0576'; + t['\uFB14'] = '\u0574\u0565'; + t['\uFB15'] = '\u0574\u056B'; + t['\uFB16'] = '\u057E\u0576'; + t['\uFB17'] = '\u0574\u056D'; + t['\uFB4F'] = '\u05D0\u05DC'; + t['\uFB50'] = '\u0671'; + t['\uFB51'] = '\u0671'; + t['\uFB52'] = '\u067B'; + t['\uFB53'] = '\u067B'; + t['\uFB54'] = '\u067B'; + t['\uFB55'] = '\u067B'; + t['\uFB56'] = '\u067E'; + t['\uFB57'] = '\u067E'; + t['\uFB58'] = '\u067E'; + t['\uFB59'] = '\u067E'; + t['\uFB5A'] = '\u0680'; + t['\uFB5B'] = '\u0680'; + t['\uFB5C'] = '\u0680'; + t['\uFB5D'] = '\u0680'; + t['\uFB5E'] = '\u067A'; + t['\uFB5F'] = '\u067A'; + t['\uFB60'] = '\u067A'; + t['\uFB61'] = '\u067A'; + t['\uFB62'] = '\u067F'; + t['\uFB63'] = '\u067F'; + t['\uFB64'] = '\u067F'; + t['\uFB65'] = '\u067F'; + t['\uFB66'] = '\u0679'; + t['\uFB67'] = '\u0679'; + t['\uFB68'] = '\u0679'; + t['\uFB69'] = '\u0679'; + t['\uFB6A'] = '\u06A4'; + t['\uFB6B'] = '\u06A4'; + t['\uFB6C'] = '\u06A4'; + t['\uFB6D'] = '\u06A4'; + t['\uFB6E'] = '\u06A6'; + t['\uFB6F'] = '\u06A6'; + t['\uFB70'] = '\u06A6'; + t['\uFB71'] = '\u06A6'; + t['\uFB72'] = '\u0684'; + t['\uFB73'] = '\u0684'; + t['\uFB74'] = '\u0684'; + t['\uFB75'] = '\u0684'; + t['\uFB76'] = '\u0683'; + t['\uFB77'] = '\u0683'; + t['\uFB78'] = '\u0683'; + t['\uFB79'] = '\u0683'; + t['\uFB7A'] = '\u0686'; + t['\uFB7B'] = '\u0686'; + t['\uFB7C'] = '\u0686'; + t['\uFB7D'] = '\u0686'; + t['\uFB7E'] = '\u0687'; + t['\uFB7F'] = '\u0687'; + t['\uFB80'] = '\u0687'; + t['\uFB81'] = '\u0687'; + t['\uFB82'] = '\u068D'; + t['\uFB83'] = '\u068D'; + t['\uFB84'] = '\u068C'; + t['\uFB85'] = '\u068C'; + t['\uFB86'] = '\u068E'; + t['\uFB87'] = '\u068E'; + t['\uFB88'] = '\u0688'; + t['\uFB89'] = '\u0688'; + t['\uFB8A'] = '\u0698'; + t['\uFB8B'] = '\u0698'; + t['\uFB8C'] = '\u0691'; + t['\uFB8D'] = '\u0691'; + t['\uFB8E'] = '\u06A9'; + t['\uFB8F'] = '\u06A9'; + t['\uFB90'] = '\u06A9'; + t['\uFB91'] = '\u06A9'; + t['\uFB92'] = '\u06AF'; + t['\uFB93'] = '\u06AF'; + t['\uFB94'] = '\u06AF'; + t['\uFB95'] = '\u06AF'; + t['\uFB96'] = '\u06B3'; + t['\uFB97'] = '\u06B3'; + t['\uFB98'] = '\u06B3'; + t['\uFB99'] = '\u06B3'; + t['\uFB9A'] = '\u06B1'; + t['\uFB9B'] = '\u06B1'; + t['\uFB9C'] = '\u06B1'; + t['\uFB9D'] = '\u06B1'; + t['\uFB9E'] = '\u06BA'; + t['\uFB9F'] = '\u06BA'; + t['\uFBA0'] = '\u06BB'; + t['\uFBA1'] = '\u06BB'; + t['\uFBA2'] = '\u06BB'; + t['\uFBA3'] = '\u06BB'; + t['\uFBA4'] = '\u06C0'; + t['\uFBA5'] = '\u06C0'; + t['\uFBA6'] = '\u06C1'; + t['\uFBA7'] = '\u06C1'; + t['\uFBA8'] = '\u06C1'; + t['\uFBA9'] = '\u06C1'; + t['\uFBAA'] = '\u06BE'; + t['\uFBAB'] = '\u06BE'; + t['\uFBAC'] = '\u06BE'; + t['\uFBAD'] = '\u06BE'; + t['\uFBAE'] = '\u06D2'; + t['\uFBAF'] = '\u06D2'; + t['\uFBB0'] = '\u06D3'; + t['\uFBB1'] = '\u06D3'; + t['\uFBD3'] = '\u06AD'; + t['\uFBD4'] = '\u06AD'; + t['\uFBD5'] = '\u06AD'; + t['\uFBD6'] = '\u06AD'; + t['\uFBD7'] = '\u06C7'; + t['\uFBD8'] = '\u06C7'; + t['\uFBD9'] = '\u06C6'; + t['\uFBDA'] = '\u06C6'; + t['\uFBDB'] = '\u06C8'; + t['\uFBDC'] = '\u06C8'; + t['\uFBDD'] = '\u0677'; + t['\uFBDE'] = '\u06CB'; + t['\uFBDF'] = '\u06CB'; + t['\uFBE0'] = '\u06C5'; + t['\uFBE1'] = '\u06C5'; + t['\uFBE2'] = '\u06C9'; + t['\uFBE3'] = '\u06C9'; + t['\uFBE4'] = '\u06D0'; + t['\uFBE5'] = '\u06D0'; + t['\uFBE6'] = '\u06D0'; + t['\uFBE7'] = '\u06D0'; + t['\uFBE8'] = '\u0649'; + t['\uFBE9'] = '\u0649'; + t['\uFBEA'] = '\u0626\u0627'; + t['\uFBEB'] = '\u0626\u0627'; + t['\uFBEC'] = '\u0626\u06D5'; + t['\uFBED'] = '\u0626\u06D5'; + t['\uFBEE'] = '\u0626\u0648'; + t['\uFBEF'] = '\u0626\u0648'; + t['\uFBF0'] = '\u0626\u06C7'; + t['\uFBF1'] = '\u0626\u06C7'; + t['\uFBF2'] = '\u0626\u06C6'; + t['\uFBF3'] = '\u0626\u06C6'; + t['\uFBF4'] = '\u0626\u06C8'; + t['\uFBF5'] = '\u0626\u06C8'; + t['\uFBF6'] = '\u0626\u06D0'; + t['\uFBF7'] = '\u0626\u06D0'; + t['\uFBF8'] = '\u0626\u06D0'; + t['\uFBF9'] = '\u0626\u0649'; + t['\uFBFA'] = '\u0626\u0649'; + t['\uFBFB'] = '\u0626\u0649'; + t['\uFBFC'] = '\u06CC'; + t['\uFBFD'] = '\u06CC'; + t['\uFBFE'] = '\u06CC'; + t['\uFBFF'] = '\u06CC'; + t['\uFC00'] = '\u0626\u062C'; + t['\uFC01'] = '\u0626\u062D'; + t['\uFC02'] = '\u0626\u0645'; + t['\uFC03'] = '\u0626\u0649'; + t['\uFC04'] = '\u0626\u064A'; + t['\uFC05'] = '\u0628\u062C'; + t['\uFC06'] = '\u0628\u062D'; + t['\uFC07'] = '\u0628\u062E'; + t['\uFC08'] = '\u0628\u0645'; + t['\uFC09'] = '\u0628\u0649'; + t['\uFC0A'] = '\u0628\u064A'; + t['\uFC0B'] = '\u062A\u062C'; + t['\uFC0C'] = '\u062A\u062D'; + t['\uFC0D'] = '\u062A\u062E'; + t['\uFC0E'] = '\u062A\u0645'; + t['\uFC0F'] = '\u062A\u0649'; + t['\uFC10'] = '\u062A\u064A'; + t['\uFC11'] = '\u062B\u062C'; + t['\uFC12'] = '\u062B\u0645'; + t['\uFC13'] = '\u062B\u0649'; + t['\uFC14'] = '\u062B\u064A'; + t['\uFC15'] = '\u062C\u062D'; + t['\uFC16'] = '\u062C\u0645'; + t['\uFC17'] = '\u062D\u062C'; + t['\uFC18'] = '\u062D\u0645'; + t['\uFC19'] = '\u062E\u062C'; + t['\uFC1A'] = '\u062E\u062D'; + t['\uFC1B'] = '\u062E\u0645'; + t['\uFC1C'] = '\u0633\u062C'; + t['\uFC1D'] = '\u0633\u062D'; + t['\uFC1E'] = '\u0633\u062E'; + t['\uFC1F'] = '\u0633\u0645'; + t['\uFC20'] = '\u0635\u062D'; + t['\uFC21'] = '\u0635\u0645'; + t['\uFC22'] = '\u0636\u062C'; + t['\uFC23'] = '\u0636\u062D'; + t['\uFC24'] = '\u0636\u062E'; + t['\uFC25'] = '\u0636\u0645'; + t['\uFC26'] = '\u0637\u062D'; + t['\uFC27'] = '\u0637\u0645'; + t['\uFC28'] = '\u0638\u0645'; + t['\uFC29'] = '\u0639\u062C'; + t['\uFC2A'] = '\u0639\u0645'; + t['\uFC2B'] = '\u063A\u062C'; + t['\uFC2C'] = '\u063A\u0645'; + t['\uFC2D'] = '\u0641\u062C'; + t['\uFC2E'] = '\u0641\u062D'; + t['\uFC2F'] = '\u0641\u062E'; + t['\uFC30'] = '\u0641\u0645'; + t['\uFC31'] = '\u0641\u0649'; + t['\uFC32'] = '\u0641\u064A'; + t['\uFC33'] = '\u0642\u062D'; + t['\uFC34'] = '\u0642\u0645'; + t['\uFC35'] = '\u0642\u0649'; + t['\uFC36'] = '\u0642\u064A'; + t['\uFC37'] = '\u0643\u0627'; + t['\uFC38'] = '\u0643\u062C'; + t['\uFC39'] = '\u0643\u062D'; + t['\uFC3A'] = '\u0643\u062E'; + t['\uFC3B'] = '\u0643\u0644'; + t['\uFC3C'] = '\u0643\u0645'; + t['\uFC3D'] = '\u0643\u0649'; + t['\uFC3E'] = '\u0643\u064A'; + t['\uFC3F'] = '\u0644\u062C'; + t['\uFC40'] = '\u0644\u062D'; + t['\uFC41'] = '\u0644\u062E'; + t['\uFC42'] = '\u0644\u0645'; + t['\uFC43'] = '\u0644\u0649'; + t['\uFC44'] = '\u0644\u064A'; + t['\uFC45'] = '\u0645\u062C'; + t['\uFC46'] = '\u0645\u062D'; + t['\uFC47'] = '\u0645\u062E'; + t['\uFC48'] = '\u0645\u0645'; + t['\uFC49'] = '\u0645\u0649'; + t['\uFC4A'] = '\u0645\u064A'; + t['\uFC4B'] = '\u0646\u062C'; + t['\uFC4C'] = '\u0646\u062D'; + t['\uFC4D'] = '\u0646\u062E'; + t['\uFC4E'] = '\u0646\u0645'; + t['\uFC4F'] = '\u0646\u0649'; + t['\uFC50'] = '\u0646\u064A'; + t['\uFC51'] = '\u0647\u062C'; + t['\uFC52'] = '\u0647\u0645'; + t['\uFC53'] = '\u0647\u0649'; + t['\uFC54'] = '\u0647\u064A'; + t['\uFC55'] = '\u064A\u062C'; + t['\uFC56'] = '\u064A\u062D'; + t['\uFC57'] = '\u064A\u062E'; + t['\uFC58'] = '\u064A\u0645'; + t['\uFC59'] = '\u064A\u0649'; + t['\uFC5A'] = '\u064A\u064A'; + t['\uFC5B'] = '\u0630\u0670'; + t['\uFC5C'] = '\u0631\u0670'; + t['\uFC5D'] = '\u0649\u0670'; + t['\uFC5E'] = '\u0020\u064C\u0651'; + t['\uFC5F'] = '\u0020\u064D\u0651'; + t['\uFC60'] = '\u0020\u064E\u0651'; + t['\uFC61'] = '\u0020\u064F\u0651'; + t['\uFC62'] = '\u0020\u0650\u0651'; + t['\uFC63'] = '\u0020\u0651\u0670'; + t['\uFC64'] = '\u0626\u0631'; + t['\uFC65'] = '\u0626\u0632'; + t['\uFC66'] = '\u0626\u0645'; + t['\uFC67'] = '\u0626\u0646'; + t['\uFC68'] = '\u0626\u0649'; + t['\uFC69'] = '\u0626\u064A'; + t['\uFC6A'] = '\u0628\u0631'; + t['\uFC6B'] = '\u0628\u0632'; + t['\uFC6C'] = '\u0628\u0645'; + t['\uFC6D'] = '\u0628\u0646'; + t['\uFC6E'] = '\u0628\u0649'; + t['\uFC6F'] = '\u0628\u064A'; + t['\uFC70'] = '\u062A\u0631'; + t['\uFC71'] = '\u062A\u0632'; + t['\uFC72'] = '\u062A\u0645'; + t['\uFC73'] = '\u062A\u0646'; + t['\uFC74'] = '\u062A\u0649'; + t['\uFC75'] = '\u062A\u064A'; + t['\uFC76'] = '\u062B\u0631'; + t['\uFC77'] = '\u062B\u0632'; + t['\uFC78'] = '\u062B\u0645'; + t['\uFC79'] = '\u062B\u0646'; + t['\uFC7A'] = '\u062B\u0649'; + t['\uFC7B'] = '\u062B\u064A'; + t['\uFC7C'] = '\u0641\u0649'; + t['\uFC7D'] = '\u0641\u064A'; + t['\uFC7E'] = '\u0642\u0649'; + t['\uFC7F'] = '\u0642\u064A'; + t['\uFC80'] = '\u0643\u0627'; + t['\uFC81'] = '\u0643\u0644'; + t['\uFC82'] = '\u0643\u0645'; + t['\uFC83'] = '\u0643\u0649'; + t['\uFC84'] = '\u0643\u064A'; + t['\uFC85'] = '\u0644\u0645'; + t['\uFC86'] = '\u0644\u0649'; + t['\uFC87'] = '\u0644\u064A'; + t['\uFC88'] = '\u0645\u0627'; + t['\uFC89'] = '\u0645\u0645'; + t['\uFC8A'] = '\u0646\u0631'; + t['\uFC8B'] = '\u0646\u0632'; + t['\uFC8C'] = '\u0646\u0645'; + t['\uFC8D'] = '\u0646\u0646'; + t['\uFC8E'] = '\u0646\u0649'; + t['\uFC8F'] = '\u0646\u064A'; + t['\uFC90'] = '\u0649\u0670'; + t['\uFC91'] = '\u064A\u0631'; + t['\uFC92'] = '\u064A\u0632'; + t['\uFC93'] = '\u064A\u0645'; + t['\uFC94'] = '\u064A\u0646'; + t['\uFC95'] = '\u064A\u0649'; + t['\uFC96'] = '\u064A\u064A'; + t['\uFC97'] = '\u0626\u062C'; + t['\uFC98'] = '\u0626\u062D'; + t['\uFC99'] = '\u0626\u062E'; + t['\uFC9A'] = '\u0626\u0645'; + t['\uFC9B'] = '\u0626\u0647'; + t['\uFC9C'] = '\u0628\u062C'; + t['\uFC9D'] = '\u0628\u062D'; + t['\uFC9E'] = '\u0628\u062E'; + t['\uFC9F'] = '\u0628\u0645'; + t['\uFCA0'] = '\u0628\u0647'; + t['\uFCA1'] = '\u062A\u062C'; + t['\uFCA2'] = '\u062A\u062D'; + t['\uFCA3'] = '\u062A\u062E'; + t['\uFCA4'] = '\u062A\u0645'; + t['\uFCA5'] = '\u062A\u0647'; + t['\uFCA6'] = '\u062B\u0645'; + t['\uFCA7'] = '\u062C\u062D'; + t['\uFCA8'] = '\u062C\u0645'; + t['\uFCA9'] = '\u062D\u062C'; + t['\uFCAA'] = '\u062D\u0645'; + t['\uFCAB'] = '\u062E\u062C'; + t['\uFCAC'] = '\u062E\u0645'; + t['\uFCAD'] = '\u0633\u062C'; + t['\uFCAE'] = '\u0633\u062D'; + t['\uFCAF'] = '\u0633\u062E'; + t['\uFCB0'] = '\u0633\u0645'; + t['\uFCB1'] = '\u0635\u062D'; + t['\uFCB2'] = '\u0635\u062E'; + t['\uFCB3'] = '\u0635\u0645'; + t['\uFCB4'] = '\u0636\u062C'; + t['\uFCB5'] = '\u0636\u062D'; + t['\uFCB6'] = '\u0636\u062E'; + t['\uFCB7'] = '\u0636\u0645'; + t['\uFCB8'] = '\u0637\u062D'; + t['\uFCB9'] = '\u0638\u0645'; + t['\uFCBA'] = '\u0639\u062C'; + t['\uFCBB'] = '\u0639\u0645'; + t['\uFCBC'] = '\u063A\u062C'; + t['\uFCBD'] = '\u063A\u0645'; + t['\uFCBE'] = '\u0641\u062C'; + t['\uFCBF'] = '\u0641\u062D'; + t['\uFCC0'] = '\u0641\u062E'; + t['\uFCC1'] = '\u0641\u0645'; + t['\uFCC2'] = '\u0642\u062D'; + t['\uFCC3'] = '\u0642\u0645'; + t['\uFCC4'] = '\u0643\u062C'; + t['\uFCC5'] = '\u0643\u062D'; + t['\uFCC6'] = '\u0643\u062E'; + t['\uFCC7'] = '\u0643\u0644'; + t['\uFCC8'] = '\u0643\u0645'; + t['\uFCC9'] = '\u0644\u062C'; + t['\uFCCA'] = '\u0644\u062D'; + t['\uFCCB'] = '\u0644\u062E'; + t['\uFCCC'] = '\u0644\u0645'; + t['\uFCCD'] = '\u0644\u0647'; + t['\uFCCE'] = '\u0645\u062C'; + t['\uFCCF'] = '\u0645\u062D'; + t['\uFCD0'] = '\u0645\u062E'; + t['\uFCD1'] = '\u0645\u0645'; + t['\uFCD2'] = '\u0646\u062C'; + t['\uFCD3'] = '\u0646\u062D'; + t['\uFCD4'] = '\u0646\u062E'; + t['\uFCD5'] = '\u0646\u0645'; + t['\uFCD6'] = '\u0646\u0647'; + t['\uFCD7'] = '\u0647\u062C'; + t['\uFCD8'] = '\u0647\u0645'; + t['\uFCD9'] = '\u0647\u0670'; + t['\uFCDA'] = '\u064A\u062C'; + t['\uFCDB'] = '\u064A\u062D'; + t['\uFCDC'] = '\u064A\u062E'; + t['\uFCDD'] = '\u064A\u0645'; + t['\uFCDE'] = '\u064A\u0647'; + t['\uFCDF'] = '\u0626\u0645'; + t['\uFCE0'] = '\u0626\u0647'; + t['\uFCE1'] = '\u0628\u0645'; + t['\uFCE2'] = '\u0628\u0647'; + t['\uFCE3'] = '\u062A\u0645'; + t['\uFCE4'] = '\u062A\u0647'; + t['\uFCE5'] = '\u062B\u0645'; + t['\uFCE6'] = '\u062B\u0647'; + t['\uFCE7'] = '\u0633\u0645'; + t['\uFCE8'] = '\u0633\u0647'; + t['\uFCE9'] = '\u0634\u0645'; + t['\uFCEA'] = '\u0634\u0647'; + t['\uFCEB'] = '\u0643\u0644'; + t['\uFCEC'] = '\u0643\u0645'; + t['\uFCED'] = '\u0644\u0645'; + t['\uFCEE'] = '\u0646\u0645'; + t['\uFCEF'] = '\u0646\u0647'; + t['\uFCF0'] = '\u064A\u0645'; + t['\uFCF1'] = '\u064A\u0647'; + t['\uFCF2'] = '\u0640\u064E\u0651'; + t['\uFCF3'] = '\u0640\u064F\u0651'; + t['\uFCF4'] = '\u0640\u0650\u0651'; + t['\uFCF5'] = '\u0637\u0649'; + t['\uFCF6'] = '\u0637\u064A'; + t['\uFCF7'] = '\u0639\u0649'; + t['\uFCF8'] = '\u0639\u064A'; + t['\uFCF9'] = '\u063A\u0649'; + t['\uFCFA'] = '\u063A\u064A'; + t['\uFCFB'] = '\u0633\u0649'; + t['\uFCFC'] = '\u0633\u064A'; + t['\uFCFD'] = '\u0634\u0649'; + t['\uFCFE'] = '\u0634\u064A'; + t['\uFCFF'] = '\u062D\u0649'; + t['\uFD00'] = '\u062D\u064A'; + t['\uFD01'] = '\u062C\u0649'; + t['\uFD02'] = '\u062C\u064A'; + t['\uFD03'] = '\u062E\u0649'; + t['\uFD04'] = '\u062E\u064A'; + t['\uFD05'] = '\u0635\u0649'; + t['\uFD06'] = '\u0635\u064A'; + t['\uFD07'] = '\u0636\u0649'; + t['\uFD08'] = '\u0636\u064A'; + t['\uFD09'] = '\u0634\u062C'; + t['\uFD0A'] = '\u0634\u062D'; + t['\uFD0B'] = '\u0634\u062E'; + t['\uFD0C'] = '\u0634\u0645'; + t['\uFD0D'] = '\u0634\u0631'; + t['\uFD0E'] = '\u0633\u0631'; + t['\uFD0F'] = '\u0635\u0631'; + t['\uFD10'] = '\u0636\u0631'; + t['\uFD11'] = '\u0637\u0649'; + t['\uFD12'] = '\u0637\u064A'; + t['\uFD13'] = '\u0639\u0649'; + t['\uFD14'] = '\u0639\u064A'; + t['\uFD15'] = '\u063A\u0649'; + t['\uFD16'] = '\u063A\u064A'; + t['\uFD17'] = '\u0633\u0649'; + t['\uFD18'] = '\u0633\u064A'; + t['\uFD19'] = '\u0634\u0649'; + t['\uFD1A'] = '\u0634\u064A'; + t['\uFD1B'] = '\u062D\u0649'; + t['\uFD1C'] = '\u062D\u064A'; + t['\uFD1D'] = '\u062C\u0649'; + t['\uFD1E'] = '\u062C\u064A'; + t['\uFD1F'] = '\u062E\u0649'; + t['\uFD20'] = '\u062E\u064A'; + t['\uFD21'] = '\u0635\u0649'; + t['\uFD22'] = '\u0635\u064A'; + t['\uFD23'] = '\u0636\u0649'; + t['\uFD24'] = '\u0636\u064A'; + t['\uFD25'] = '\u0634\u062C'; + t['\uFD26'] = '\u0634\u062D'; + t['\uFD27'] = '\u0634\u062E'; + t['\uFD28'] = '\u0634\u0645'; + t['\uFD29'] = '\u0634\u0631'; + t['\uFD2A'] = '\u0633\u0631'; + t['\uFD2B'] = '\u0635\u0631'; + t['\uFD2C'] = '\u0636\u0631'; + t['\uFD2D'] = '\u0634\u062C'; + t['\uFD2E'] = '\u0634\u062D'; + t['\uFD2F'] = '\u0634\u062E'; + t['\uFD30'] = '\u0634\u0645'; + t['\uFD31'] = '\u0633\u0647'; + t['\uFD32'] = '\u0634\u0647'; + t['\uFD33'] = '\u0637\u0645'; + t['\uFD34'] = '\u0633\u062C'; + t['\uFD35'] = '\u0633\u062D'; + t['\uFD36'] = '\u0633\u062E'; + t['\uFD37'] = '\u0634\u062C'; + t['\uFD38'] = '\u0634\u062D'; + t['\uFD39'] = '\u0634\u062E'; + t['\uFD3A'] = '\u0637\u0645'; + t['\uFD3B'] = '\u0638\u0645'; + t['\uFD3C'] = '\u0627\u064B'; + t['\uFD3D'] = '\u0627\u064B'; + t['\uFD50'] = '\u062A\u062C\u0645'; + t['\uFD51'] = '\u062A\u062D\u062C'; + t['\uFD52'] = '\u062A\u062D\u062C'; + t['\uFD53'] = '\u062A\u062D\u0645'; + t['\uFD54'] = '\u062A\u062E\u0645'; + t['\uFD55'] = '\u062A\u0645\u062C'; + t['\uFD56'] = '\u062A\u0645\u062D'; + t['\uFD57'] = '\u062A\u0645\u062E'; + t['\uFD58'] = '\u062C\u0645\u062D'; + t['\uFD59'] = '\u062C\u0645\u062D'; + t['\uFD5A'] = '\u062D\u0645\u064A'; + t['\uFD5B'] = '\u062D\u0645\u0649'; + t['\uFD5C'] = '\u0633\u062D\u062C'; + t['\uFD5D'] = '\u0633\u062C\u062D'; + t['\uFD5E'] = '\u0633\u062C\u0649'; + t['\uFD5F'] = '\u0633\u0645\u062D'; + t['\uFD60'] = '\u0633\u0645\u062D'; + t['\uFD61'] = '\u0633\u0645\u062C'; + t['\uFD62'] = '\u0633\u0645\u0645'; + t['\uFD63'] = '\u0633\u0645\u0645'; + t['\uFD64'] = '\u0635\u062D\u062D'; + t['\uFD65'] = '\u0635\u062D\u062D'; + t['\uFD66'] = '\u0635\u0645\u0645'; + t['\uFD67'] = '\u0634\u062D\u0645'; + t['\uFD68'] = '\u0634\u062D\u0645'; + t['\uFD69'] = '\u0634\u062C\u064A'; + t['\uFD6A'] = '\u0634\u0645\u062E'; + t['\uFD6B'] = '\u0634\u0645\u062E'; + t['\uFD6C'] = '\u0634\u0645\u0645'; + t['\uFD6D'] = '\u0634\u0645\u0645'; + t['\uFD6E'] = '\u0636\u062D\u0649'; + t['\uFD6F'] = '\u0636\u062E\u0645'; + t['\uFD70'] = '\u0636\u062E\u0645'; + t['\uFD71'] = '\u0637\u0645\u062D'; + t['\uFD72'] = '\u0637\u0645\u062D'; + t['\uFD73'] = '\u0637\u0645\u0645'; + t['\uFD74'] = '\u0637\u0645\u064A'; + t['\uFD75'] = '\u0639\u062C\u0645'; + t['\uFD76'] = '\u0639\u0645\u0645'; + t['\uFD77'] = '\u0639\u0645\u0645'; + t['\uFD78'] = '\u0639\u0645\u0649'; + t['\uFD79'] = '\u063A\u0645\u0645'; + t['\uFD7A'] = '\u063A\u0645\u064A'; + t['\uFD7B'] = '\u063A\u0645\u0649'; + t['\uFD7C'] = '\u0641\u062E\u0645'; + t['\uFD7D'] = '\u0641\u062E\u0645'; + t['\uFD7E'] = '\u0642\u0645\u062D'; + t['\uFD7F'] = '\u0642\u0645\u0645'; + t['\uFD80'] = '\u0644\u062D\u0645'; + t['\uFD81'] = '\u0644\u062D\u064A'; + t['\uFD82'] = '\u0644\u062D\u0649'; + t['\uFD83'] = '\u0644\u062C\u062C'; + t['\uFD84'] = '\u0644\u062C\u062C'; + t['\uFD85'] = '\u0644\u062E\u0645'; + t['\uFD86'] = '\u0644\u062E\u0645'; + t['\uFD87'] = '\u0644\u0645\u062D'; + t['\uFD88'] = '\u0644\u0645\u062D'; + t['\uFD89'] = '\u0645\u062D\u062C'; + t['\uFD8A'] = '\u0645\u062D\u0645'; + t['\uFD8B'] = '\u0645\u062D\u064A'; + t['\uFD8C'] = '\u0645\u062C\u062D'; + t['\uFD8D'] = '\u0645\u062C\u0645'; + t['\uFD8E'] = '\u0645\u062E\u062C'; + t['\uFD8F'] = '\u0645\u062E\u0645'; + t['\uFD92'] = '\u0645\u062C\u062E'; + t['\uFD93'] = '\u0647\u0645\u062C'; + t['\uFD94'] = '\u0647\u0645\u0645'; + t['\uFD95'] = '\u0646\u062D\u0645'; + t['\uFD96'] = '\u0646\u062D\u0649'; + t['\uFD97'] = '\u0646\u062C\u0645'; + t['\uFD98'] = '\u0646\u062C\u0645'; + t['\uFD99'] = '\u0646\u062C\u0649'; + t['\uFD9A'] = '\u0646\u0645\u064A'; + t['\uFD9B'] = '\u0646\u0645\u0649'; + t['\uFD9C'] = '\u064A\u0645\u0645'; + t['\uFD9D'] = '\u064A\u0645\u0645'; + t['\uFD9E'] = '\u0628\u062E\u064A'; + t['\uFD9F'] = '\u062A\u062C\u064A'; + t['\uFDA0'] = '\u062A\u062C\u0649'; + t['\uFDA1'] = '\u062A\u062E\u064A'; + t['\uFDA2'] = '\u062A\u062E\u0649'; + t['\uFDA3'] = '\u062A\u0645\u064A'; + t['\uFDA4'] = '\u062A\u0645\u0649'; + t['\uFDA5'] = '\u062C\u0645\u064A'; + t['\uFDA6'] = '\u062C\u062D\u0649'; + t['\uFDA7'] = '\u062C\u0645\u0649'; + t['\uFDA8'] = '\u0633\u062E\u0649'; + t['\uFDA9'] = '\u0635\u062D\u064A'; + t['\uFDAA'] = '\u0634\u062D\u064A'; + t['\uFDAB'] = '\u0636\u062D\u064A'; + t['\uFDAC'] = '\u0644\u062C\u064A'; + t['\uFDAD'] = '\u0644\u0645\u064A'; + t['\uFDAE'] = '\u064A\u062D\u064A'; + t['\uFDAF'] = '\u064A\u062C\u064A'; + t['\uFDB0'] = '\u064A\u0645\u064A'; + t['\uFDB1'] = '\u0645\u0645\u064A'; + t['\uFDB2'] = '\u0642\u0645\u064A'; + t['\uFDB3'] = '\u0646\u062D\u064A'; + t['\uFDB4'] = '\u0642\u0645\u062D'; + t['\uFDB5'] = '\u0644\u062D\u0645'; + t['\uFDB6'] = '\u0639\u0645\u064A'; + t['\uFDB7'] = '\u0643\u0645\u064A'; + t['\uFDB8'] = '\u0646\u062C\u062D'; + t['\uFDB9'] = '\u0645\u062E\u064A'; + t['\uFDBA'] = '\u0644\u062C\u0645'; + t['\uFDBB'] = '\u0643\u0645\u0645'; + t['\uFDBC'] = '\u0644\u062C\u0645'; + t['\uFDBD'] = '\u0646\u062C\u062D'; + t['\uFDBE'] = '\u062C\u062D\u064A'; + t['\uFDBF'] = '\u062D\u062C\u064A'; + t['\uFDC0'] = '\u0645\u062C\u064A'; + t['\uFDC1'] = '\u0641\u0645\u064A'; + t['\uFDC2'] = '\u0628\u062D\u064A'; + t['\uFDC3'] = '\u0643\u0645\u0645'; + t['\uFDC4'] = '\u0639\u062C\u0645'; + t['\uFDC5'] = '\u0635\u0645\u0645'; + t['\uFDC6'] = '\u0633\u062E\u064A'; + t['\uFDC7'] = '\u0646\u062C\u064A'; + t['\uFE49'] = '\u203E'; + t['\uFE4A'] = '\u203E'; + t['\uFE4B'] = '\u203E'; + t['\uFE4C'] = '\u203E'; + t['\uFE4D'] = '\u005F'; + t['\uFE4E'] = '\u005F'; + t['\uFE4F'] = '\u005F'; + t['\uFE80'] = '\u0621'; + t['\uFE81'] = '\u0622'; + t['\uFE82'] = '\u0622'; + t['\uFE83'] = '\u0623'; + t['\uFE84'] = '\u0623'; + t['\uFE85'] = '\u0624'; + t['\uFE86'] = '\u0624'; + t['\uFE87'] = '\u0625'; + t['\uFE88'] = '\u0625'; + t['\uFE89'] = '\u0626'; + t['\uFE8A'] = '\u0626'; + t['\uFE8B'] = '\u0626'; + t['\uFE8C'] = '\u0626'; + t['\uFE8D'] = '\u0627'; + t['\uFE8E'] = '\u0627'; + t['\uFE8F'] = '\u0628'; + t['\uFE90'] = '\u0628'; + t['\uFE91'] = '\u0628'; + t['\uFE92'] = '\u0628'; + t['\uFE93'] = '\u0629'; + t['\uFE94'] = '\u0629'; + t['\uFE95'] = '\u062A'; + t['\uFE96'] = '\u062A'; + t['\uFE97'] = '\u062A'; + t['\uFE98'] = '\u062A'; + t['\uFE99'] = '\u062B'; + t['\uFE9A'] = '\u062B'; + t['\uFE9B'] = '\u062B'; + t['\uFE9C'] = '\u062B'; + t['\uFE9D'] = '\u062C'; + t['\uFE9E'] = '\u062C'; + t['\uFE9F'] = '\u062C'; + t['\uFEA0'] = '\u062C'; + t['\uFEA1'] = '\u062D'; + t['\uFEA2'] = '\u062D'; + t['\uFEA3'] = '\u062D'; + t['\uFEA4'] = '\u062D'; + t['\uFEA5'] = '\u062E'; + t['\uFEA6'] = '\u062E'; + t['\uFEA7'] = '\u062E'; + t['\uFEA8'] = '\u062E'; + t['\uFEA9'] = '\u062F'; + t['\uFEAA'] = '\u062F'; + t['\uFEAB'] = '\u0630'; + t['\uFEAC'] = '\u0630'; + t['\uFEAD'] = '\u0631'; + t['\uFEAE'] = '\u0631'; + t['\uFEAF'] = '\u0632'; + t['\uFEB0'] = '\u0632'; + t['\uFEB1'] = '\u0633'; + t['\uFEB2'] = '\u0633'; + t['\uFEB3'] = '\u0633'; + t['\uFEB4'] = '\u0633'; + t['\uFEB5'] = '\u0634'; + t['\uFEB6'] = '\u0634'; + t['\uFEB7'] = '\u0634'; + t['\uFEB8'] = '\u0634'; + t['\uFEB9'] = '\u0635'; + t['\uFEBA'] = '\u0635'; + t['\uFEBB'] = '\u0635'; + t['\uFEBC'] = '\u0635'; + t['\uFEBD'] = '\u0636'; + t['\uFEBE'] = '\u0636'; + t['\uFEBF'] = '\u0636'; + t['\uFEC0'] = '\u0636'; + t['\uFEC1'] = '\u0637'; + t['\uFEC2'] = '\u0637'; + t['\uFEC3'] = '\u0637'; + t['\uFEC4'] = '\u0637'; + t['\uFEC5'] = '\u0638'; + t['\uFEC6'] = '\u0638'; + t['\uFEC7'] = '\u0638'; + t['\uFEC8'] = '\u0638'; + t['\uFEC9'] = '\u0639'; + t['\uFECA'] = '\u0639'; + t['\uFECB'] = '\u0639'; + t['\uFECC'] = '\u0639'; + t['\uFECD'] = '\u063A'; + t['\uFECE'] = '\u063A'; + t['\uFECF'] = '\u063A'; + t['\uFED0'] = '\u063A'; + t['\uFED1'] = '\u0641'; + t['\uFED2'] = '\u0641'; + t['\uFED3'] = '\u0641'; + t['\uFED4'] = '\u0641'; + t['\uFED5'] = '\u0642'; + t['\uFED6'] = '\u0642'; + t['\uFED7'] = '\u0642'; + t['\uFED8'] = '\u0642'; + t['\uFED9'] = '\u0643'; + t['\uFEDA'] = '\u0643'; + t['\uFEDB'] = '\u0643'; + t['\uFEDC'] = '\u0643'; + t['\uFEDD'] = '\u0644'; + t['\uFEDE'] = '\u0644'; + t['\uFEDF'] = '\u0644'; + t['\uFEE0'] = '\u0644'; + t['\uFEE1'] = '\u0645'; + t['\uFEE2'] = '\u0645'; + t['\uFEE3'] = '\u0645'; + t['\uFEE4'] = '\u0645'; + t['\uFEE5'] = '\u0646'; + t['\uFEE6'] = '\u0646'; + t['\uFEE7'] = '\u0646'; + t['\uFEE8'] = '\u0646'; + t['\uFEE9'] = '\u0647'; + t['\uFEEA'] = '\u0647'; + t['\uFEEB'] = '\u0647'; + t['\uFEEC'] = '\u0647'; + t['\uFEED'] = '\u0648'; + t['\uFEEE'] = '\u0648'; + t['\uFEEF'] = '\u0649'; + t['\uFEF0'] = '\u0649'; + t['\uFEF1'] = '\u064A'; + t['\uFEF2'] = '\u064A'; + t['\uFEF3'] = '\u064A'; + t['\uFEF4'] = '\u064A'; + t['\uFEF5'] = '\u0644\u0622'; + t['\uFEF6'] = '\u0644\u0622'; + t['\uFEF7'] = '\u0644\u0623'; + t['\uFEF8'] = '\u0644\u0623'; + t['\uFEF9'] = '\u0644\u0625'; + t['\uFEFA'] = '\u0644\u0625'; + t['\uFEFB'] = '\u0644\u0627'; + t['\uFEFC'] = '\u0644\u0627'; + }); + + function reverseIfRtl(chars) { + var charsLength = chars.length; + //reverse an arabic ligature + if (charsLength <= 1 || !isRTLRangeFor(chars.charCodeAt(0))) { + return chars; + } + var s = ''; + for (var ii = charsLength - 1; ii >= 0; ii--) { + s += chars[ii]; + } + return s; + } + + exports.mapSpecialUnicodeValues = mapSpecialUnicodeValues; + exports.reverseIfRtl = reverseIfRtl; + exports.getUnicodeRangeFor = getUnicodeRangeFor; + exports.getNormalizedUnicodes = getNormalizedUnicodes; + exports.getUnicodeForGlyph = getUnicodeForGlyph; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreStream = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreJbig2, root.pdfjsCoreJpg, + root.pdfjsCoreJpx); + } +}(this, function (exports, sharedUtil, corePrimitives, coreJbig2, coreJpg, + coreJpx) { + +var Util = sharedUtil.Util; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isInt = sharedUtil.isInt; +var isArray = sharedUtil.isArray; +var createObjectURL = sharedUtil.createObjectURL; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var isSpace = sharedUtil.isSpace; +var Dict = corePrimitives.Dict; +var isDict = corePrimitives.isDict; +var Jbig2Image = coreJbig2.Jbig2Image; +var JpegImage = coreJpg.JpegImage; +var JpxImage = coreJpx.JpxImage; + +var Stream = (function StreamClosure() { + function Stream(arrayBuffer, start, length, dict) { + this.bytes = (arrayBuffer instanceof Uint8Array ? + arrayBuffer : new Uint8Array(arrayBuffer)); + this.start = start || 0; + this.pos = this.start; + this.end = (start + length) || this.bytes.length; + this.dict = dict; + } + + // required methods for a stream. if a particular stream does not + // implement these, an error should be thrown + Stream.prototype = { + get length() { + return this.end - this.start; + }, + get isEmpty() { + return this.length === 0; + }, + getByte: function Stream_getByte() { + if (this.pos >= this.end) { + return -1; + } + return this.bytes[this.pos++]; + }, + getUint16: function Stream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function Stream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + // returns subarray of original buffer + // should only be read + getBytes: function Stream_getBytes(length) { + var bytes = this.bytes; + var pos = this.pos; + var strEnd = this.end; + + if (!length) { + return bytes.subarray(pos, strEnd); + } + var end = pos + length; + if (end > strEnd) { + end = strEnd; + } + this.pos = end; + return bytes.subarray(pos, end); + }, + peekByte: function Stream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function Stream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + skip: function Stream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function Stream_reset() { + this.pos = this.start; + }, + moveStart: function Stream_moveStart() { + this.start = this.pos; + }, + makeSubStream: function Stream_makeSubStream(start, length, dict) { + return new Stream(this.bytes.buffer, start, length, dict); + }, + isStream: true + }; + + return Stream; +})(); + +var StringStream = (function StringStreamClosure() { + function StringStream(str) { + var length = str.length; + var bytes = new Uint8Array(length); + for (var n = 0; n < length; ++n) { + bytes[n] = str.charCodeAt(n); + } + Stream.call(this, bytes); + } + + StringStream.prototype = Stream.prototype; + + return StringStream; +})(); + +// super class for the decoding streams +var DecodeStream = (function DecodeStreamClosure() { + // Lots of DecodeStreams are created whose buffers are never used. For these + // we share a single empty buffer. This is (a) space-efficient and (b) avoids + // having special cases that would be required if we used |null| for an empty + // buffer. + var emptyBuffer = new Uint8Array(0); + + function DecodeStream(maybeMinBufferLength) { + this.pos = 0; + this.bufferLength = 0; + this.eof = false; + this.buffer = emptyBuffer; + this.minBufferLength = 512; + if (maybeMinBufferLength) { + // Compute the first power of two that is as big as maybeMinBufferLength. + while (this.minBufferLength < maybeMinBufferLength) { + this.minBufferLength *= 2; + } + } + } + + DecodeStream.prototype = { + get isEmpty() { + while (!this.eof && this.bufferLength === 0) { + this.readBlock(); + } + return this.bufferLength === 0; + }, + ensureBuffer: function DecodeStream_ensureBuffer(requested) { + var buffer = this.buffer; + if (requested <= buffer.byteLength) { + return buffer; + } + var size = this.minBufferLength; + while (size < requested) { + size *= 2; + } + var buffer2 = new Uint8Array(size); + buffer2.set(buffer); + return (this.buffer = buffer2); + }, + getByte: function DecodeStream_getByte() { + var pos = this.pos; + while (this.bufferLength <= pos) { + if (this.eof) { + return -1; + } + this.readBlock(); + } + return this.buffer[this.pos++]; + }, + getUint16: function DecodeStream_getUint16() { + var b0 = this.getByte(); + var b1 = this.getByte(); + if (b0 === -1 || b1 === -1) { + return -1; + } + return (b0 << 8) + b1; + }, + getInt32: function DecodeStream_getInt32() { + var b0 = this.getByte(); + var b1 = this.getByte(); + var b2 = this.getByte(); + var b3 = this.getByte(); + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + }, + getBytes: function DecodeStream_getBytes(length) { + var end, pos = this.pos; + + if (length) { + this.ensureBuffer(pos + length); + end = pos + length; + + while (!this.eof && this.bufferLength < end) { + this.readBlock(); + } + var bufEnd = this.bufferLength; + if (end > bufEnd) { + end = bufEnd; + } + } else { + while (!this.eof) { + this.readBlock(); + } + end = this.bufferLength; + } + + this.pos = end; + return this.buffer.subarray(pos, end); + }, + peekByte: function DecodeStream_peekByte() { + var peekedByte = this.getByte(); + this.pos--; + return peekedByte; + }, + peekBytes: function DecodeStream_peekBytes(length) { + var bytes = this.getBytes(length); + this.pos -= bytes.length; + return bytes; + }, + makeSubStream: function DecodeStream_makeSubStream(start, length, dict) { + var end = start + length; + while (this.bufferLength <= end && !this.eof) { + this.readBlock(); + } + return new Stream(this.buffer, start, length, dict); + }, + skip: function DecodeStream_skip(n) { + if (!n) { + n = 1; + } + this.pos += n; + }, + reset: function DecodeStream_reset() { + this.pos = 0; + }, + getBaseStreams: function DecodeStream_getBaseStreams() { + if (this.str && this.str.getBaseStreams) { + return this.str.getBaseStreams(); + } + return []; + } + }; + + return DecodeStream; +})(); + +var StreamsSequenceStream = (function StreamsSequenceStreamClosure() { + function StreamsSequenceStream(streams) { + this.streams = streams; + DecodeStream.call(this, /* maybeLength = */ null); + } + + StreamsSequenceStream.prototype = Object.create(DecodeStream.prototype); + + StreamsSequenceStream.prototype.readBlock = + function streamSequenceStreamReadBlock() { + + var streams = this.streams; + if (streams.length === 0) { + this.eof = true; + return; + } + var stream = streams.shift(); + var chunk = stream.getBytes(); + var bufferLength = this.bufferLength; + var newLength = bufferLength + chunk.length; + var buffer = this.ensureBuffer(newLength); + buffer.set(chunk, bufferLength); + this.bufferLength = newLength; + }; + + StreamsSequenceStream.prototype.getBaseStreams = + function StreamsSequenceStream_getBaseStreams() { + + var baseStreams = []; + for (var i = 0, ii = this.streams.length; i < ii; i++) { + var stream = this.streams[i]; + if (stream.getBaseStreams) { + Util.appendToArray(baseStreams, stream.getBaseStreams()); + } + } + return baseStreams; + }; + + return StreamsSequenceStream; +})(); + +var FlateStream = (function FlateStreamClosure() { + var codeLenCodeMap = new Int32Array([ + 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 + ]); + + var lengthDecode = new Int32Array([ + 0x00003, 0x00004, 0x00005, 0x00006, 0x00007, 0x00008, 0x00009, 0x0000a, + 0x1000b, 0x1000d, 0x1000f, 0x10011, 0x20013, 0x20017, 0x2001b, 0x2001f, + 0x30023, 0x3002b, 0x30033, 0x3003b, 0x40043, 0x40053, 0x40063, 0x40073, + 0x50083, 0x500a3, 0x500c3, 0x500e3, 0x00102, 0x00102, 0x00102 + ]); + + var distDecode = new Int32Array([ + 0x00001, 0x00002, 0x00003, 0x00004, 0x10005, 0x10007, 0x20009, 0x2000d, + 0x30011, 0x30019, 0x40021, 0x40031, 0x50041, 0x50061, 0x60081, 0x600c1, + 0x70101, 0x70181, 0x80201, 0x80301, 0x90401, 0x90601, 0xa0801, 0xa0c01, + 0xb1001, 0xb1801, 0xc2001, 0xc3001, 0xd4001, 0xd6001 + ]); + + var fixedLitCodeTab = [new Int32Array([ + 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c0, + 0x70108, 0x80060, 0x80020, 0x900a0, 0x80000, 0x80080, 0x80040, 0x900e0, + 0x70104, 0x80058, 0x80018, 0x90090, 0x70114, 0x80078, 0x80038, 0x900d0, + 0x7010c, 0x80068, 0x80028, 0x900b0, 0x80008, 0x80088, 0x80048, 0x900f0, + 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c8, + 0x7010a, 0x80064, 0x80024, 0x900a8, 0x80004, 0x80084, 0x80044, 0x900e8, + 0x70106, 0x8005c, 0x8001c, 0x90098, 0x70116, 0x8007c, 0x8003c, 0x900d8, + 0x7010e, 0x8006c, 0x8002c, 0x900b8, 0x8000c, 0x8008c, 0x8004c, 0x900f8, + 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c4, + 0x70109, 0x80062, 0x80022, 0x900a4, 0x80002, 0x80082, 0x80042, 0x900e4, + 0x70105, 0x8005a, 0x8001a, 0x90094, 0x70115, 0x8007a, 0x8003a, 0x900d4, + 0x7010d, 0x8006a, 0x8002a, 0x900b4, 0x8000a, 0x8008a, 0x8004a, 0x900f4, + 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cc, + 0x7010b, 0x80066, 0x80026, 0x900ac, 0x80006, 0x80086, 0x80046, 0x900ec, + 0x70107, 0x8005e, 0x8001e, 0x9009c, 0x70117, 0x8007e, 0x8003e, 0x900dc, + 0x7010f, 0x8006e, 0x8002e, 0x900bc, 0x8000e, 0x8008e, 0x8004e, 0x900fc, + 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c2, + 0x70108, 0x80061, 0x80021, 0x900a2, 0x80001, 0x80081, 0x80041, 0x900e2, + 0x70104, 0x80059, 0x80019, 0x90092, 0x70114, 0x80079, 0x80039, 0x900d2, + 0x7010c, 0x80069, 0x80029, 0x900b2, 0x80009, 0x80089, 0x80049, 0x900f2, + 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900ca, + 0x7010a, 0x80065, 0x80025, 0x900aa, 0x80005, 0x80085, 0x80045, 0x900ea, + 0x70106, 0x8005d, 0x8001d, 0x9009a, 0x70116, 0x8007d, 0x8003d, 0x900da, + 0x7010e, 0x8006d, 0x8002d, 0x900ba, 0x8000d, 0x8008d, 0x8004d, 0x900fa, + 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c6, + 0x70109, 0x80063, 0x80023, 0x900a6, 0x80003, 0x80083, 0x80043, 0x900e6, + 0x70105, 0x8005b, 0x8001b, 0x90096, 0x70115, 0x8007b, 0x8003b, 0x900d6, + 0x7010d, 0x8006b, 0x8002b, 0x900b6, 0x8000b, 0x8008b, 0x8004b, 0x900f6, + 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900ce, + 0x7010b, 0x80067, 0x80027, 0x900ae, 0x80007, 0x80087, 0x80047, 0x900ee, + 0x70107, 0x8005f, 0x8001f, 0x9009e, 0x70117, 0x8007f, 0x8003f, 0x900de, + 0x7010f, 0x8006f, 0x8002f, 0x900be, 0x8000f, 0x8008f, 0x8004f, 0x900fe, + 0x70100, 0x80050, 0x80010, 0x80118, 0x70110, 0x80070, 0x80030, 0x900c1, + 0x70108, 0x80060, 0x80020, 0x900a1, 0x80000, 0x80080, 0x80040, 0x900e1, + 0x70104, 0x80058, 0x80018, 0x90091, 0x70114, 0x80078, 0x80038, 0x900d1, + 0x7010c, 0x80068, 0x80028, 0x900b1, 0x80008, 0x80088, 0x80048, 0x900f1, + 0x70102, 0x80054, 0x80014, 0x8011c, 0x70112, 0x80074, 0x80034, 0x900c9, + 0x7010a, 0x80064, 0x80024, 0x900a9, 0x80004, 0x80084, 0x80044, 0x900e9, + 0x70106, 0x8005c, 0x8001c, 0x90099, 0x70116, 0x8007c, 0x8003c, 0x900d9, + 0x7010e, 0x8006c, 0x8002c, 0x900b9, 0x8000c, 0x8008c, 0x8004c, 0x900f9, + 0x70101, 0x80052, 0x80012, 0x8011a, 0x70111, 0x80072, 0x80032, 0x900c5, + 0x70109, 0x80062, 0x80022, 0x900a5, 0x80002, 0x80082, 0x80042, 0x900e5, + 0x70105, 0x8005a, 0x8001a, 0x90095, 0x70115, 0x8007a, 0x8003a, 0x900d5, + 0x7010d, 0x8006a, 0x8002a, 0x900b5, 0x8000a, 0x8008a, 0x8004a, 0x900f5, + 0x70103, 0x80056, 0x80016, 0x8011e, 0x70113, 0x80076, 0x80036, 0x900cd, + 0x7010b, 0x80066, 0x80026, 0x900ad, 0x80006, 0x80086, 0x80046, 0x900ed, + 0x70107, 0x8005e, 0x8001e, 0x9009d, 0x70117, 0x8007e, 0x8003e, 0x900dd, + 0x7010f, 0x8006e, 0x8002e, 0x900bd, 0x8000e, 0x8008e, 0x8004e, 0x900fd, + 0x70100, 0x80051, 0x80011, 0x80119, 0x70110, 0x80071, 0x80031, 0x900c3, + 0x70108, 0x80061, 0x80021, 0x900a3, 0x80001, 0x80081, 0x80041, 0x900e3, + 0x70104, 0x80059, 0x80019, 0x90093, 0x70114, 0x80079, 0x80039, 0x900d3, + 0x7010c, 0x80069, 0x80029, 0x900b3, 0x80009, 0x80089, 0x80049, 0x900f3, + 0x70102, 0x80055, 0x80015, 0x8011d, 0x70112, 0x80075, 0x80035, 0x900cb, + 0x7010a, 0x80065, 0x80025, 0x900ab, 0x80005, 0x80085, 0x80045, 0x900eb, + 0x70106, 0x8005d, 0x8001d, 0x9009b, 0x70116, 0x8007d, 0x8003d, 0x900db, + 0x7010e, 0x8006d, 0x8002d, 0x900bb, 0x8000d, 0x8008d, 0x8004d, 0x900fb, + 0x70101, 0x80053, 0x80013, 0x8011b, 0x70111, 0x80073, 0x80033, 0x900c7, + 0x70109, 0x80063, 0x80023, 0x900a7, 0x80003, 0x80083, 0x80043, 0x900e7, + 0x70105, 0x8005b, 0x8001b, 0x90097, 0x70115, 0x8007b, 0x8003b, 0x900d7, + 0x7010d, 0x8006b, 0x8002b, 0x900b7, 0x8000b, 0x8008b, 0x8004b, 0x900f7, + 0x70103, 0x80057, 0x80017, 0x8011f, 0x70113, 0x80077, 0x80037, 0x900cf, + 0x7010b, 0x80067, 0x80027, 0x900af, 0x80007, 0x80087, 0x80047, 0x900ef, + 0x70107, 0x8005f, 0x8001f, 0x9009f, 0x70117, 0x8007f, 0x8003f, 0x900df, + 0x7010f, 0x8006f, 0x8002f, 0x900bf, 0x8000f, 0x8008f, 0x8004f, 0x900ff + ]), 9]; + + var fixedDistCodeTab = [new Int32Array([ + 0x50000, 0x50010, 0x50008, 0x50018, 0x50004, 0x50014, 0x5000c, 0x5001c, + 0x50002, 0x50012, 0x5000a, 0x5001a, 0x50006, 0x50016, 0x5000e, 0x00000, + 0x50001, 0x50011, 0x50009, 0x50019, 0x50005, 0x50015, 0x5000d, 0x5001d, + 0x50003, 0x50013, 0x5000b, 0x5001b, 0x50007, 0x50017, 0x5000f, 0x00000 + ]), 5]; + + function FlateStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + var cmf = str.getByte(); + var flg = str.getByte(); + if (cmf === -1 || flg === -1) { + error('Invalid header in flate stream: ' + cmf + ', ' + flg); + } + if ((cmf & 0x0f) !== 0x08) { + error('Unknown compression method in flate stream: ' + cmf + ', ' + flg); + } + if ((((cmf << 8) + flg) % 31) !== 0) { + error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg); + } + if (flg & 0x20) { + error('FDICT bit set in flate stream: ' + cmf + ', ' + flg); + } + + this.codeSize = 0; + this.codeBuf = 0; + + DecodeStream.call(this, maybeLength); + } + + FlateStream.prototype = Object.create(DecodeStream.prototype); + + FlateStream.prototype.getBits = function FlateStream_getBits(bits) { + var str = this.str; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + + var b; + while (codeSize < bits) { + if ((b = str.getByte()) === -1) { + error('Bad encoding in flate stream'); + } + codeBuf |= b << codeSize; + codeSize += 8; + } + b = codeBuf & ((1 << bits) - 1); + this.codeBuf = codeBuf >> bits; + this.codeSize = codeSize -= bits; + + return b; + }; + + FlateStream.prototype.getCode = function FlateStream_getCode(table) { + var str = this.str; + var codes = table[0]; + var maxLen = table[1]; + var codeSize = this.codeSize; + var codeBuf = this.codeBuf; + + var b; + while (codeSize < maxLen) { + if ((b = str.getByte()) === -1) { + // premature end of stream. code might however still be valid. + // codeSize < codeLen check below guards against incomplete codeVal. + break; + } + codeBuf |= (b << codeSize); + codeSize += 8; + } + var code = codes[codeBuf & ((1 << maxLen) - 1)]; + var codeLen = code >> 16; + var codeVal = code & 0xffff; + if (codeLen < 1 || codeSize < codeLen) { + error('Bad encoding in flate stream'); + } + this.codeBuf = (codeBuf >> codeLen); + this.codeSize = (codeSize - codeLen); + return codeVal; + }; + + FlateStream.prototype.generateHuffmanTable = + function flateStreamGenerateHuffmanTable(lengths) { + var n = lengths.length; + + // find max code length + var maxLen = 0; + var i; + for (i = 0; i < n; ++i) { + if (lengths[i] > maxLen) { + maxLen = lengths[i]; + } + } + + // build the table + var size = 1 << maxLen; + var codes = new Int32Array(size); + for (var len = 1, code = 0, skip = 2; + len <= maxLen; + ++len, code <<= 1, skip <<= 1) { + for (var val = 0; val < n; ++val) { + if (lengths[val] === len) { + // bit-reverse the code + var code2 = 0; + var t = code; + for (i = 0; i < len; ++i) { + code2 = (code2 << 1) | (t & 1); + t >>= 1; + } + + // fill the table entries + for (i = code2; i < size; i += skip) { + codes[i] = (len << 16) | val; + } + ++code; + } + } + } + + return [codes, maxLen]; + }; + + FlateStream.prototype.readBlock = function FlateStream_readBlock() { + var buffer, len; + var str = this.str; + // read block header + var hdr = this.getBits(3); + if (hdr & 1) { + this.eof = true; + } + hdr >>= 1; + + if (hdr === 0) { // uncompressed block + var b; + + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var blockLen = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + blockLen |= (b << 8); + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + var check = b; + if ((b = str.getByte()) === -1) { + error('Bad block header in flate stream'); + } + check |= (b << 8); + if (check !== (~blockLen & 0xffff) && + (blockLen !== 0 || check !== 0)) { + // Ignoring error for bad "empty" block (see issue 1277) + error('Bad uncompressed block length in flate stream'); + } + + this.codeBuf = 0; + this.codeSize = 0; + + var bufferLength = this.bufferLength; + buffer = this.ensureBuffer(bufferLength + blockLen); + var end = bufferLength + blockLen; + this.bufferLength = end; + if (blockLen === 0) { + if (str.peekByte() === -1) { + this.eof = true; + } + } else { + for (var n = bufferLength; n < end; ++n) { + if ((b = str.getByte()) === -1) { + this.eof = true; + break; + } + buffer[n] = b; + } + } + return; + } + + var litCodeTable; + var distCodeTable; + if (hdr === 1) { // compressed block, fixed codes + litCodeTable = fixedLitCodeTab; + distCodeTable = fixedDistCodeTab; + } else if (hdr === 2) { // compressed block, dynamic codes + var numLitCodes = this.getBits(5) + 257; + var numDistCodes = this.getBits(5) + 1; + var numCodeLenCodes = this.getBits(4) + 4; + + // build the code lengths code table + var codeLenCodeLengths = new Uint8Array(codeLenCodeMap.length); + + var i; + for (i = 0; i < numCodeLenCodes; ++i) { + codeLenCodeLengths[codeLenCodeMap[i]] = this.getBits(3); + } + var codeLenCodeTab = this.generateHuffmanTable(codeLenCodeLengths); + + // build the literal and distance code tables + len = 0; + i = 0; + var codes = numLitCodes + numDistCodes; + var codeLengths = new Uint8Array(codes); + var bitsLength, bitsOffset, what; + while (i < codes) { + var code = this.getCode(codeLenCodeTab); + if (code === 16) { + bitsLength = 2; bitsOffset = 3; what = len; + } else if (code === 17) { + bitsLength = 3; bitsOffset = 3; what = (len = 0); + } else if (code === 18) { + bitsLength = 7; bitsOffset = 11; what = (len = 0); + } else { + codeLengths[i++] = len = code; + continue; + } + + var repeatLength = this.getBits(bitsLength) + bitsOffset; + while (repeatLength-- > 0) { + codeLengths[i++] = what; + } + } + + litCodeTable = + this.generateHuffmanTable(codeLengths.subarray(0, numLitCodes)); + distCodeTable = + this.generateHuffmanTable(codeLengths.subarray(numLitCodes, codes)); + } else { + error('Unknown block type in flate stream'); + } + + buffer = this.buffer; + var limit = buffer ? buffer.length : 0; + var pos = this.bufferLength; + while (true) { + var code1 = this.getCode(litCodeTable); + if (code1 < 256) { + if (pos + 1 >= limit) { + buffer = this.ensureBuffer(pos + 1); + limit = buffer.length; + } + buffer[pos++] = code1; + continue; + } + if (code1 === 256) { + this.bufferLength = pos; + return; + } + code1 -= 257; + code1 = lengthDecode[code1]; + var code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + len = (code1 & 0xffff) + code2; + code1 = this.getCode(distCodeTable); + code1 = distDecode[code1]; + code2 = code1 >> 16; + if (code2 > 0) { + code2 = this.getBits(code2); + } + var dist = (code1 & 0xffff) + code2; + if (pos + len >= limit) { + buffer = this.ensureBuffer(pos + len); + limit = buffer.length; + } + for (var k = 0; k < len; ++k, ++pos) { + buffer[pos] = buffer[pos - dist]; + } + } + }; + + return FlateStream; +})(); + +var PredictorStream = (function PredictorStreamClosure() { + function PredictorStream(str, maybeLength, params) { + if (!isDict(params)) { + return str; // no prediction + } + var predictor = this.predictor = params.get('Predictor') || 1; + + if (predictor <= 1) { + return str; // no prediction + } + if (predictor !== 2 && (predictor < 10 || predictor > 15)) { + error('Unsupported predictor: ' + predictor); + } + + if (predictor === 2) { + this.readBlock = this.readBlockTiff; + } else { + this.readBlock = this.readBlockPng; + } + + this.str = str; + this.dict = str.dict; + + var colors = this.colors = params.get('Colors') || 1; + var bits = this.bits = params.get('BitsPerComponent') || 8; + var columns = this.columns = params.get('Columns') || 1; + + this.pixBytes = (colors * bits + 7) >> 3; + this.rowBytes = (columns * colors * bits + 7) >> 3; + + DecodeStream.call(this, maybeLength); + return this; + } + + PredictorStream.prototype = Object.create(DecodeStream.prototype); + + PredictorStream.prototype.readBlockTiff = + function predictorStreamReadBlockTiff() { + var rowBytes = this.rowBytes; + + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + + var bits = this.bits; + var colors = this.colors; + + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + + var inbuf = 0, outbuf = 0; + var inbits = 0, outbits = 0; + var pos = bufferLength; + var i; + + if (bits === 1) { + for (i = 0; i < rowBytes; ++i) { + var c = rawBytes[i]; + inbuf = (inbuf << 8) | c; + // bitwise addition is exclusive or + // first shift inbuf and then add + buffer[pos++] = (c ^ (inbuf >> colors)) & 0xFF; + // truncate inbuf (assumes colors < 16) + inbuf &= 0xFFFF; + } + } else if (bits === 8) { + for (i = 0; i < colors; ++i) { + buffer[pos++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[pos] = buffer[pos - colors] + rawBytes[i]; + pos++; + } + } else { + var compArray = new Uint8Array(colors + 1); + var bitMask = (1 << bits) - 1; + var j = 0, k = bufferLength; + var columns = this.columns; + for (i = 0; i < columns; ++i) { + for (var kk = 0; kk < colors; ++kk) { + if (inbits < bits) { + inbuf = (inbuf << 8) | (rawBytes[j++] & 0xFF); + inbits += 8; + } + compArray[kk] = (compArray[kk] + + (inbuf >> (inbits - bits))) & bitMask; + inbits -= bits; + outbuf = (outbuf << bits) | compArray[kk]; + outbits += bits; + if (outbits >= 8) { + buffer[k++] = (outbuf >> (outbits - 8)) & 0xFF; + outbits -= 8; + } + } + } + if (outbits > 0) { + buffer[k++] = (outbuf << (8 - outbits)) + + (inbuf & ((1 << (8 - outbits)) - 1)); + } + } + this.bufferLength += rowBytes; + }; + + PredictorStream.prototype.readBlockPng = + function predictorStreamReadBlockPng() { + + var rowBytes = this.rowBytes; + var pixBytes = this.pixBytes; + + var predictor = this.str.getByte(); + var rawBytes = this.str.getBytes(rowBytes); + this.eof = !rawBytes.length; + if (this.eof) { + return; + } + + var bufferLength = this.bufferLength; + var buffer = this.ensureBuffer(bufferLength + rowBytes); + + var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength); + if (prevRow.length === 0) { + prevRow = new Uint8Array(rowBytes); + } + + var i, j = bufferLength, up, c; + switch (predictor) { + case 0: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + break; + case 1: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = (buffer[j - pixBytes] + rawBytes[i]) & 0xFF; + j++; + } + break; + case 2: + for (i = 0; i < rowBytes; ++i) { + buffer[j++] = (prevRow[i] + rawBytes[i]) & 0xFF; + } + break; + case 3: + for (i = 0; i < pixBytes; ++i) { + buffer[j++] = (prevRow[i] >> 1) + rawBytes[i]; + } + for (; i < rowBytes; ++i) { + buffer[j] = (((prevRow[i] + buffer[j - pixBytes]) >> 1) + + rawBytes[i]) & 0xFF; + j++; + } + break; + case 4: + // we need to save the up left pixels values. the simplest way + // is to create a new buffer + for (i = 0; i < pixBytes; ++i) { + up = prevRow[i]; + c = rawBytes[i]; + buffer[j++] = up + c; + } + for (; i < rowBytes; ++i) { + up = prevRow[i]; + var upLeft = prevRow[i - pixBytes]; + var left = buffer[j - pixBytes]; + var p = left + up - upLeft; + + var pa = p - left; + if (pa < 0) { + pa = -pa; + } + var pb = p - up; + if (pb < 0) { + pb = -pb; + } + var pc = p - upLeft; + if (pc < 0) { + pc = -pc; + } + + c = rawBytes[i]; + if (pa <= pb && pa <= pc) { + buffer[j++] = left + c; + } else if (pb <= pc) { + buffer[j++] = up + c; + } else { + buffer[j++] = upLeft + c; + } + } + break; + default: + error('Unsupported predictor: ' + predictor); + } + this.bufferLength += rowBytes; + }; + + return PredictorStream; +})(); + +/** + * Depending on the type of JPEG a JpegStream is handled in different ways. For + * JPEG's that are supported natively such as DeviceGray and DeviceRGB the image + * data is stored and then loaded by the browser. For unsupported JPEG's we use + * a library to decode these images and the stream behaves like all the other + * DecodeStreams. + */ +var JpegStream = (function JpegStreamClosure() { + function JpegStream(stream, maybeLength, dict) { + // Some images may contain 'junk' before the SOI (start-of-image) marker. + // Note: this seems to mainly affect inline images. + var ch; + while ((ch = stream.getByte()) !== -1) { + if (ch === 0xFF) { // Find the first byte of the SOI marker (0xFFD8). + stream.skip(-1); // Reset the stream position to the SOI. + break; + } + } + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + JpegStream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(JpegStream.prototype, 'bytes', { + get: function JpegStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + JpegStream.prototype.ensureBuffer = function JpegStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + var jpegImage = new JpegImage(); + + // Checking if values need to be transformed before conversion. + var decodeArr = this.dict.getArray('Decode', 'D'); + if (this.forceRGB && isArray(decodeArr)) { + var bitsPerComponent = this.dict.get('BitsPerComponent') || 8; + var decodeArrLength = decodeArr.length; + var transform = new Int32Array(decodeArrLength); + var transformNeeded = false; + var maxValue = (1 << bitsPerComponent) - 1; + for (var i = 0; i < decodeArrLength; i += 2) { + transform[i] = ((decodeArr[i + 1] - decodeArr[i]) * 256) | 0; + transform[i + 1] = (decodeArr[i] * maxValue) | 0; + if (transform[i] !== 256 || transform[i + 1] !== 0) { + transformNeeded = true; + } + } + if (transformNeeded) { + jpegImage.decodeTransform = transform; + } + } + // Fetching the 'ColorTransform' entry, if it exists. + var decodeParams = this.dict.get('DecodeParms', 'DP'); + if (isDict(decodeParams)) { + var colorTransform = decodeParams.get('ColorTransform'); + if (isInt(colorTransform)) { + jpegImage.colorTransform = colorTransform; + } + } + + jpegImage.parse(this.bytes); + var data = jpegImage.getData(this.drawWidth, this.drawHeight, + this.forceRGB); + this.buffer = data; + this.bufferLength = data.length; + this.eof = true; + }; + + JpegStream.prototype.getBytes = function JpegStream_getBytes(length) { + this.ensureBuffer(); + return this.buffer; + }; + + JpegStream.prototype.getIR = function JpegStream_getIR(forceDataSchema) { + return createObjectURL(this.bytes, 'image/jpeg', forceDataSchema); + }; + + return JpegStream; +})(); + +/** + * For JPEG 2000's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ +var JpxStream = (function JpxStreamClosure() { + function JpxStream(stream, maybeLength, dict) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + JpxStream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(JpxStream.prototype, 'bytes', { + get: function JpxStream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + JpxStream.prototype.ensureBuffer = function JpxStream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + + var jpxImage = new JpxImage(); + jpxImage.parse(this.bytes); + + var width = jpxImage.width; + var height = jpxImage.height; + var componentsCount = jpxImage.componentsCount; + var tileCount = jpxImage.tiles.length; + if (tileCount === 1) { + this.buffer = jpxImage.tiles[0].items; + } else { + var data = new Uint8Array(width * height * componentsCount); + + for (var k = 0; k < tileCount; k++) { + var tileComponents = jpxImage.tiles[k]; + var tileWidth = tileComponents.width; + var tileHeight = tileComponents.height; + var tileLeft = tileComponents.left; + var tileTop = tileComponents.top; + + var src = tileComponents.items; + var srcPosition = 0; + var dataPosition = (width * tileTop + tileLeft) * componentsCount; + var imgRowSize = width * componentsCount; + var tileRowSize = tileWidth * componentsCount; + + for (var j = 0; j < tileHeight; j++) { + var rowBytes = src.subarray(srcPosition, srcPosition + tileRowSize); + data.set(rowBytes, dataPosition); + srcPosition += tileRowSize; + dataPosition += imgRowSize; + } + } + this.buffer = data; + } + this.bufferLength = this.buffer.length; + this.eof = true; + }; + + return JpxStream; +})(); + +/** + * For JBIG2's we use a library to decode these images and + * the stream behaves like all the other DecodeStreams. + */ +var Jbig2Stream = (function Jbig2StreamClosure() { + function Jbig2Stream(stream, maybeLength, dict) { + this.stream = stream; + this.maybeLength = maybeLength; + this.dict = dict; + + DecodeStream.call(this, maybeLength); + } + + Jbig2Stream.prototype = Object.create(DecodeStream.prototype); + + Object.defineProperty(Jbig2Stream.prototype, 'bytes', { + get: function Jbig2Stream_bytes() { + // If this.maybeLength is null, we'll get the entire stream. + return shadow(this, 'bytes', this.stream.getBytes(this.maybeLength)); + }, + configurable: true + }); + + Jbig2Stream.prototype.ensureBuffer = function Jbig2Stream_ensureBuffer(req) { + if (this.bufferLength) { + return; + } + + var jbig2Image = new Jbig2Image(); + + var chunks = []; + var decodeParams = this.dict.getArray('DecodeParms', 'DP'); + + // According to the PDF specification, DecodeParms can be either + // a dictionary, or an array whose elements are dictionaries. + if (isArray(decodeParams)) { + if (decodeParams.length > 1) { + warn('JBIG2 - \'DecodeParms\' array with multiple elements ' + + 'not supported.'); + } + decodeParams = decodeParams[0]; + } + if (decodeParams && decodeParams.has('JBIG2Globals')) { + var globalsStream = decodeParams.get('JBIG2Globals'); + var globals = globalsStream.getBytes(); + chunks.push({data: globals, start: 0, end: globals.length}); + } + chunks.push({data: this.bytes, start: 0, end: this.bytes.length}); + var data = jbig2Image.parseChunks(chunks); + var dataLength = data.length; + + // JBIG2 had black as 1 and white as 0, inverting the colors + for (var i = 0; i < dataLength; i++) { + data[i] ^= 0xFF; + } + + this.buffer = data; + this.bufferLength = dataLength; + this.eof = true; + }; + + return Jbig2Stream; +})(); + +var DecryptStream = (function DecryptStreamClosure() { + function DecryptStream(str, maybeLength, decrypt) { + this.str = str; + this.dict = str.dict; + this.decrypt = decrypt; + this.nextChunk = null; + this.initialized = false; + + DecodeStream.call(this, maybeLength); + } + + var chunkSize = 512; + + DecryptStream.prototype = Object.create(DecodeStream.prototype); + + DecryptStream.prototype.readBlock = function DecryptStream_readBlock() { + var chunk; + if (this.initialized) { + chunk = this.nextChunk; + } else { + chunk = this.str.getBytes(chunkSize); + this.initialized = true; + } + if (!chunk || chunk.length === 0) { + this.eof = true; + return; + } + this.nextChunk = this.str.getBytes(chunkSize); + var hasMoreData = this.nextChunk && this.nextChunk.length > 0; + + var decrypt = this.decrypt; + chunk = decrypt(chunk, !hasMoreData); + + var bufferLength = this.bufferLength; + var i, n = chunk.length; + var buffer = this.ensureBuffer(bufferLength + n); + for (i = 0; i < n; i++) { + buffer[bufferLength++] = chunk[i]; + } + this.bufferLength = bufferLength; + }; + + return DecryptStream; +})(); + +var Ascii85Stream = (function Ascii85StreamClosure() { + function Ascii85Stream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + this.input = new Uint8Array(5); + + // Most streams increase in size when decoded, but Ascii85 streams + // typically shrink by ~20%. + if (maybeLength) { + maybeLength = 0.8 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + + Ascii85Stream.prototype = Object.create(DecodeStream.prototype); + + Ascii85Stream.prototype.readBlock = function Ascii85Stream_readBlock() { + var TILDA_CHAR = 0x7E; // '~' + var Z_LOWER_CHAR = 0x7A; // 'z' + var EOF = -1; + + var str = this.str; + + var c = str.getByte(); + while (isSpace(c)) { + c = str.getByte(); + } + + if (c === EOF || c === TILDA_CHAR) { + this.eof = true; + return; + } + + var bufferLength = this.bufferLength, buffer; + var i; + + // special code for z + if (c === Z_LOWER_CHAR) { + buffer = this.ensureBuffer(bufferLength + 4); + for (i = 0; i < 4; ++i) { + buffer[bufferLength + i] = 0; + } + this.bufferLength += 4; + } else { + var input = this.input; + input[0] = c; + for (i = 1; i < 5; ++i) { + c = str.getByte(); + while (isSpace(c)) { + c = str.getByte(); + } + + input[i] = c; + + if (c === EOF || c === TILDA_CHAR) { + break; + } + } + buffer = this.ensureBuffer(bufferLength + i - 1); + this.bufferLength += i - 1; + + // partial ending; + if (i < 5) { + for (; i < 5; ++i) { + input[i] = 0x21 + 84; + } + this.eof = true; + } + var t = 0; + for (i = 0; i < 5; ++i) { + t = t * 85 + (input[i] - 0x21); + } + + for (i = 3; i >= 0; --i) { + buffer[bufferLength + i] = t & 0xFF; + t >>= 8; + } + } + }; + + return Ascii85Stream; +})(); + +var AsciiHexStream = (function AsciiHexStreamClosure() { + function AsciiHexStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + this.firstDigit = -1; + + // Most streams increase in size when decoded, but AsciiHex streams shrink + // by 50%. + if (maybeLength) { + maybeLength = 0.5 * maybeLength; + } + DecodeStream.call(this, maybeLength); + } + + AsciiHexStream.prototype = Object.create(DecodeStream.prototype); + + AsciiHexStream.prototype.readBlock = function AsciiHexStream_readBlock() { + var UPSTREAM_BLOCK_SIZE = 8000; + var bytes = this.str.getBytes(UPSTREAM_BLOCK_SIZE); + if (!bytes.length) { + this.eof = true; + return; + } + + var maxDecodeLength = (bytes.length + 1) >> 1; + var buffer = this.ensureBuffer(this.bufferLength + maxDecodeLength); + var bufferLength = this.bufferLength; + + var firstDigit = this.firstDigit; + for (var i = 0, ii = bytes.length; i < ii; i++) { + var ch = bytes[i], digit; + if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' + digit = ch & 0x0F; + } else if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { + // 'A'-'Z', 'a'-'z' + digit = (ch & 0x0F) + 9; + } else if (ch === 0x3E) { // '>' + this.eof = true; + break; + } else { // probably whitespace + continue; // ignoring + } + if (firstDigit < 0) { + firstDigit = digit; + } else { + buffer[bufferLength++] = (firstDigit << 4) | digit; + firstDigit = -1; + } + } + if (firstDigit >= 0 && this.eof) { + // incomplete byte + buffer[bufferLength++] = (firstDigit << 4); + firstDigit = -1; + } + this.firstDigit = firstDigit; + this.bufferLength = bufferLength; + }; + + return AsciiHexStream; +})(); + +var RunLengthStream = (function RunLengthStreamClosure() { + function RunLengthStream(str, maybeLength) { + this.str = str; + this.dict = str.dict; + + DecodeStream.call(this, maybeLength); + } + + RunLengthStream.prototype = Object.create(DecodeStream.prototype); + + RunLengthStream.prototype.readBlock = function RunLengthStream_readBlock() { + // The repeatHeader has following format. The first byte defines type of run + // and amount of bytes to repeat/copy: n = 0 through 127 - copy next n bytes + // (in addition to the second byte from the header), n = 129 through 255 - + // duplicate the second byte from the header (257 - n) times, n = 128 - end. + var repeatHeader = this.str.getBytes(2); + if (!repeatHeader || repeatHeader.length < 2 || repeatHeader[0] === 128) { + this.eof = true; + return; + } + + var buffer; + var bufferLength = this.bufferLength; + var n = repeatHeader[0]; + if (n < 128) { + // copy n bytes + buffer = this.ensureBuffer(bufferLength + n + 1); + buffer[bufferLength++] = repeatHeader[1]; + if (n > 0) { + var source = this.str.getBytes(n); + buffer.set(source, bufferLength); + bufferLength += n; + } + } else { + n = 257 - n; + var b = repeatHeader[1]; + buffer = this.ensureBuffer(bufferLength + n + 1); + for (var i = 0; i < n; i++) { + buffer[bufferLength++] = b; + } + } + this.bufferLength = bufferLength; + }; + + return RunLengthStream; +})(); + +var CCITTFaxStream = (function CCITTFaxStreamClosure() { + + var ccittEOL = -2; + var ccittEOF = -1; + var twoDimPass = 0; + var twoDimHoriz = 1; + var twoDimVert0 = 2; + var twoDimVertR1 = 3; + var twoDimVertL1 = 4; + var twoDimVertR2 = 5; + var twoDimVertL2 = 6; + var twoDimVertR3 = 7; + var twoDimVertL3 = 8; + + var twoDimTable = [ + [-1, -1], [-1, -1], // 000000x + [7, twoDimVertL3], // 0000010 + [7, twoDimVertR3], // 0000011 + [6, twoDimVertL2], [6, twoDimVertL2], // 000010x + [6, twoDimVertR2], [6, twoDimVertR2], // 000011x + [4, twoDimPass], [4, twoDimPass], // 0001xxx + [4, twoDimPass], [4, twoDimPass], + [4, twoDimPass], [4, twoDimPass], + [4, twoDimPass], [4, twoDimPass], + [3, twoDimHoriz], [3, twoDimHoriz], // 001xxxx + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimHoriz], [3, twoDimHoriz], + [3, twoDimVertL1], [3, twoDimVertL1], // 010xxxx + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertL1], [3, twoDimVertL1], + [3, twoDimVertR1], [3, twoDimVertR1], // 011xxxx + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [3, twoDimVertR1], [3, twoDimVertR1], + [1, twoDimVert0], [1, twoDimVert0], // 1xxxxxx + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0], + [1, twoDimVert0], [1, twoDimVert0] + ]; + + var whiteTable1 = [ + [-1, -1], // 00000 + [12, ccittEOL], // 00001 + [-1, -1], [-1, -1], // 0001x + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 001xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 010xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 011xx + [11, 1792], [11, 1792], // 1000x + [12, 1984], // 10010 + [12, 2048], // 10011 + [12, 2112], // 10100 + [12, 2176], // 10101 + [12, 2240], // 10110 + [12, 2304], // 10111 + [11, 1856], [11, 1856], // 1100x + [11, 1920], [11, 1920], // 1101x + [12, 2368], // 11100 + [12, 2432], // 11101 + [12, 2496], // 11110 + [12, 2560] // 11111 + ]; + + var whiteTable2 = [ + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000000xx + [8, 29], [8, 29], // 00000010x + [8, 30], [8, 30], // 00000011x + [8, 45], [8, 45], // 00000100x + [8, 46], [8, 46], // 00000101x + [7, 22], [7, 22], [7, 22], [7, 22], // 0000011xx + [7, 23], [7, 23], [7, 23], [7, 23], // 0000100xx + [8, 47], [8, 47], // 00001010x + [8, 48], [8, 48], // 00001011x + [6, 13], [6, 13], [6, 13], [6, 13], // 000011xxx + [6, 13], [6, 13], [6, 13], [6, 13], + [7, 20], [7, 20], [7, 20], [7, 20], // 0001000xx + [8, 33], [8, 33], // 00010010x + [8, 34], [8, 34], // 00010011x + [8, 35], [8, 35], // 00010100x + [8, 36], [8, 36], // 00010101x + [8, 37], [8, 37], // 00010110x + [8, 38], [8, 38], // 00010111x + [7, 19], [7, 19], [7, 19], [7, 19], // 0001100xx + [8, 31], [8, 31], // 00011010x + [8, 32], [8, 32], // 00011011x + [6, 1], [6, 1], [6, 1], [6, 1], // 000111xxx + [6, 1], [6, 1], [6, 1], [6, 1], + [6, 12], [6, 12], [6, 12], [6, 12], // 001000xxx + [6, 12], [6, 12], [6, 12], [6, 12], + [8, 53], [8, 53], // 00100100x + [8, 54], [8, 54], // 00100101x + [7, 26], [7, 26], [7, 26], [7, 26], // 0010011xx + [8, 39], [8, 39], // 00101000x + [8, 40], [8, 40], // 00101001x + [8, 41], [8, 41], // 00101010x + [8, 42], [8, 42], // 00101011x + [8, 43], [8, 43], // 00101100x + [8, 44], [8, 44], // 00101101x + [7, 21], [7, 21], [7, 21], [7, 21], // 0010111xx + [7, 28], [7, 28], [7, 28], [7, 28], // 0011000xx + [8, 61], [8, 61], // 00110010x + [8, 62], [8, 62], // 00110011x + [8, 63], [8, 63], // 00110100x + [8, 0], [8, 0], // 00110101x + [8, 320], [8, 320], // 00110110x + [8, 384], [8, 384], // 00110111x + [5, 10], [5, 10], [5, 10], [5, 10], // 00111xxxx + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 10], [5, 10], [5, 10], [5, 10], + [5, 11], [5, 11], [5, 11], [5, 11], // 01000xxxx + [5, 11], [5, 11], [5, 11], [5, 11], + [5, 11], [5, 11], [5, 11], [5, 11], + [5, 11], [5, 11], [5, 11], [5, 11], + [7, 27], [7, 27], [7, 27], [7, 27], // 0100100xx + [8, 59], [8, 59], // 01001010x + [8, 60], [8, 60], // 01001011x + [9, 1472], // 010011000 + [9, 1536], // 010011001 + [9, 1600], // 010011010 + [9, 1728], // 010011011 + [7, 18], [7, 18], [7, 18], [7, 18], // 0100111xx + [7, 24], [7, 24], [7, 24], [7, 24], // 0101000xx + [8, 49], [8, 49], // 01010010x + [8, 50], [8, 50], // 01010011x + [8, 51], [8, 51], // 01010100x + [8, 52], [8, 52], // 01010101x + [7, 25], [7, 25], [7, 25], [7, 25], // 0101011xx + [8, 55], [8, 55], // 01011000x + [8, 56], [8, 56], // 01011001x + [8, 57], [8, 57], // 01011010x + [8, 58], [8, 58], // 01011011x + [6, 192], [6, 192], [6, 192], [6, 192], // 010111xxx + [6, 192], [6, 192], [6, 192], [6, 192], + [6, 1664], [6, 1664], [6, 1664], [6, 1664], // 011000xxx + [6, 1664], [6, 1664], [6, 1664], [6, 1664], + [8, 448], [8, 448], // 01100100x + [8, 512], [8, 512], // 01100101x + [9, 704], // 011001100 + [9, 768], // 011001101 + [8, 640], [8, 640], // 01100111x + [8, 576], [8, 576], // 01101000x + [9, 832], // 011010010 + [9, 896], // 011010011 + [9, 960], // 011010100 + [9, 1024], // 011010101 + [9, 1088], // 011010110 + [9, 1152], // 011010111 + [9, 1216], // 011011000 + [9, 1280], // 011011001 + [9, 1344], // 011011010 + [9, 1408], // 011011011 + [7, 256], [7, 256], [7, 256], [7, 256], // 0110111xx + [4, 2], [4, 2], [4, 2], [4, 2], // 0111xxxxx + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 2], [4, 2], [4, 2], [4, 2], + [4, 3], [4, 3], [4, 3], [4, 3], // 1000xxxxx + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [4, 3], [4, 3], [4, 3], [4, 3], + [5, 128], [5, 128], [5, 128], [5, 128], // 10010xxxx + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 128], [5, 128], [5, 128], [5, 128], + [5, 8], [5, 8], [5, 8], [5, 8], // 10011xxxx + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 8], [5, 8], [5, 8], [5, 8], + [5, 9], [5, 9], [5, 9], [5, 9], // 10100xxxx + [5, 9], [5, 9], [5, 9], [5, 9], + [5, 9], [5, 9], [5, 9], [5, 9], + [5, 9], [5, 9], [5, 9], [5, 9], + [6, 16], [6, 16], [6, 16], [6, 16], // 101010xxx + [6, 16], [6, 16], [6, 16], [6, 16], + [6, 17], [6, 17], [6, 17], [6, 17], // 101011xxx + [6, 17], [6, 17], [6, 17], [6, 17], + [4, 4], [4, 4], [4, 4], [4, 4], // 1011xxxxx + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 4], [4, 4], [4, 4], [4, 4], + [4, 5], [4, 5], [4, 5], [4, 5], // 1100xxxxx + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [4, 5], [4, 5], [4, 5], [4, 5], + [6, 14], [6, 14], [6, 14], [6, 14], // 110100xxx + [6, 14], [6, 14], [6, 14], [6, 14], + [6, 15], [6, 15], [6, 15], [6, 15], // 110101xxx + [6, 15], [6, 15], [6, 15], [6, 15], + [5, 64], [5, 64], [5, 64], [5, 64], // 11011xxxx + [5, 64], [5, 64], [5, 64], [5, 64], + [5, 64], [5, 64], [5, 64], [5, 64], + [5, 64], [5, 64], [5, 64], [5, 64], + [4, 6], [4, 6], [4, 6], [4, 6], // 1110xxxxx + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 6], [4, 6], [4, 6], [4, 6], + [4, 7], [4, 7], [4, 7], [4, 7], // 1111xxxxx + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7], + [4, 7], [4, 7], [4, 7], [4, 7] + ]; + + var blackTable1 = [ + [-1, -1], [-1, -1], // 000000000000x + [12, ccittEOL], [12, ccittEOL], // 000000000001x + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000001xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000010xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000011xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000100xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000101xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000110xx + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 00000000111xx + [11, 1792], [11, 1792], [11, 1792], [11, 1792], // 00000001000xx + [12, 1984], [12, 1984], // 000000010010x + [12, 2048], [12, 2048], // 000000010011x + [12, 2112], [12, 2112], // 000000010100x + [12, 2176], [12, 2176], // 000000010101x + [12, 2240], [12, 2240], // 000000010110x + [12, 2304], [12, 2304], // 000000010111x + [11, 1856], [11, 1856], [11, 1856], [11, 1856], // 00000001100xx + [11, 1920], [11, 1920], [11, 1920], [11, 1920], // 00000001101xx + [12, 2368], [12, 2368], // 000000011100x + [12, 2432], [12, 2432], // 000000011101x + [12, 2496], [12, 2496], // 000000011110x + [12, 2560], [12, 2560], // 000000011111x + [10, 18], [10, 18], [10, 18], [10, 18], // 0000001000xxx + [10, 18], [10, 18], [10, 18], [10, 18], + [12, 52], [12, 52], // 000000100100x + [13, 640], // 0000001001010 + [13, 704], // 0000001001011 + [13, 768], // 0000001001100 + [13, 832], // 0000001001101 + [12, 55], [12, 55], // 000000100111x + [12, 56], [12, 56], // 000000101000x + [13, 1280], // 0000001010010 + [13, 1344], // 0000001010011 + [13, 1408], // 0000001010100 + [13, 1472], // 0000001010101 + [12, 59], [12, 59], // 000000101011x + [12, 60], [12, 60], // 000000101100x + [13, 1536], // 0000001011010 + [13, 1600], // 0000001011011 + [11, 24], [11, 24], [11, 24], [11, 24], // 00000010111xx + [11, 25], [11, 25], [11, 25], [11, 25], // 00000011000xx + [13, 1664], // 0000001100100 + [13, 1728], // 0000001100101 + [12, 320], [12, 320], // 000000110011x + [12, 384], [12, 384], // 000000110100x + [12, 448], [12, 448], // 000000110101x + [13, 512], // 0000001101100 + [13, 576], // 0000001101101 + [12, 53], [12, 53], // 000000110111x + [12, 54], [12, 54], // 000000111000x + [13, 896], // 0000001110010 + [13, 960], // 0000001110011 + [13, 1024], // 0000001110100 + [13, 1088], // 0000001110101 + [13, 1152], // 0000001110110 + [13, 1216], // 0000001110111 + [10, 64], [10, 64], [10, 64], [10, 64], // 0000001111xxx + [10, 64], [10, 64], [10, 64], [10, 64] + ]; + + var blackTable2 = [ + [8, 13], [8, 13], [8, 13], [8, 13], // 00000100xxxx + [8, 13], [8, 13], [8, 13], [8, 13], + [8, 13], [8, 13], [8, 13], [8, 13], + [8, 13], [8, 13], [8, 13], [8, 13], + [11, 23], [11, 23], // 00000101000x + [12, 50], // 000001010010 + [12, 51], // 000001010011 + [12, 44], // 000001010100 + [12, 45], // 000001010101 + [12, 46], // 000001010110 + [12, 47], // 000001010111 + [12, 57], // 000001011000 + [12, 58], // 000001011001 + [12, 61], // 000001011010 + [12, 256], // 000001011011 + [10, 16], [10, 16], [10, 16], [10, 16], // 0000010111xx + [10, 17], [10, 17], [10, 17], [10, 17], // 0000011000xx + [12, 48], // 000001100100 + [12, 49], // 000001100101 + [12, 62], // 000001100110 + [12, 63], // 000001100111 + [12, 30], // 000001101000 + [12, 31], // 000001101001 + [12, 32], // 000001101010 + [12, 33], // 000001101011 + [12, 40], // 000001101100 + [12, 41], // 000001101101 + [11, 22], [11, 22], // 00000110111x + [8, 14], [8, 14], [8, 14], [8, 14], // 00000111xxxx + [8, 14], [8, 14], [8, 14], [8, 14], + [8, 14], [8, 14], [8, 14], [8, 14], + [8, 14], [8, 14], [8, 14], [8, 14], + [7, 10], [7, 10], [7, 10], [7, 10], // 0000100xxxxx + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 10], [7, 10], [7, 10], [7, 10], + [7, 11], [7, 11], [7, 11], [7, 11], // 0000101xxxxx + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [7, 11], [7, 11], [7, 11], [7, 11], + [9, 15], [9, 15], [9, 15], [9, 15], // 000011000xxx + [9, 15], [9, 15], [9, 15], [9, 15], + [12, 128], // 000011001000 + [12, 192], // 000011001001 + [12, 26], // 000011001010 + [12, 27], // 000011001011 + [12, 28], // 000011001100 + [12, 29], // 000011001101 + [11, 19], [11, 19], // 00001100111x + [11, 20], [11, 20], // 00001101000x + [12, 34], // 000011010010 + [12, 35], // 000011010011 + [12, 36], // 000011010100 + [12, 37], // 000011010101 + [12, 38], // 000011010110 + [12, 39], // 000011010111 + [11, 21], [11, 21], // 00001101100x + [12, 42], // 000011011010 + [12, 43], // 000011011011 + [10, 0], [10, 0], [10, 0], [10, 0], // 0000110111xx + [7, 12], [7, 12], [7, 12], [7, 12], // 0000111xxxxx + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12], + [7, 12], [7, 12], [7, 12], [7, 12] + ]; + + var blackTable3 = [ + [-1, -1], [-1, -1], [-1, -1], [-1, -1], // 0000xx + [6, 9], // 000100 + [6, 8], // 000101 + [5, 7], [5, 7], // 00011x + [4, 6], [4, 6], [4, 6], [4, 6], // 0010xx + [4, 5], [4, 5], [4, 5], [4, 5], // 0011xx + [3, 1], [3, 1], [3, 1], [3, 1], // 010xxx + [3, 1], [3, 1], [3, 1], [3, 1], + [3, 4], [3, 4], [3, 4], [3, 4], // 011xxx + [3, 4], [3, 4], [3, 4], [3, 4], + [2, 3], [2, 3], [2, 3], [2, 3], // 10xxxx + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 3], [2, 3], [2, 3], [2, 3], + [2, 2], [2, 2], [2, 2], [2, 2], // 11xxxx + [2, 2], [2, 2], [2, 2], [2, 2], + [2, 2], [2, 2], [2, 2], [2, 2], + [2, 2], [2, 2], [2, 2], [2, 2] + ]; + + function CCITTFaxStream(str, maybeLength, params) { + this.str = str; + this.dict = str.dict; + + params = params || Dict.empty; + + this.encoding = params.get('K') || 0; + this.eoline = params.get('EndOfLine') || false; + this.byteAlign = params.get('EncodedByteAlign') || false; + this.columns = params.get('Columns') || 1728; + this.rows = params.get('Rows') || 0; + var eoblock = params.get('EndOfBlock'); + if (eoblock === null || eoblock === undefined) { + eoblock = true; + } + this.eoblock = eoblock; + this.black = params.get('BlackIs1') || false; + + this.codingLine = new Uint32Array(this.columns + 1); + this.refLine = new Uint32Array(this.columns + 2); + + this.codingLine[0] = this.columns; + this.codingPos = 0; + + this.row = 0; + this.nextLine2D = this.encoding < 0; + this.inputBits = 0; + this.inputBuf = 0; + this.outputBits = 0; + + var code1; + while ((code1 = this.lookBits(12)) === 0) { + this.eatBits(1); + } + if (code1 === 1) { + this.eatBits(12); + } + if (this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + + DecodeStream.call(this, maybeLength); + } + + CCITTFaxStream.prototype = Object.create(DecodeStream.prototype); + + CCITTFaxStream.prototype.readBlock = function CCITTFaxStream_readBlock() { + while (!this.eof) { + var c = this.lookChar(); + this.ensureBuffer(this.bufferLength + 1); + this.buffer[this.bufferLength++] = c; + } + }; + + CCITTFaxStream.prototype.addPixels = + function ccittFaxStreamAddPixels(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if ((codingPos & 1) ^ blackPixels) { + ++codingPos; + } + + codingLine[codingPos] = a1; + } + this.codingPos = codingPos; + }; + + CCITTFaxStream.prototype.addPixelsNeg = + function ccittFaxStreamAddPixelsNeg(a1, blackPixels) { + var codingLine = this.codingLine; + var codingPos = this.codingPos; + + if (a1 > codingLine[codingPos]) { + if (a1 > this.columns) { + info('row is wrong length'); + this.err = true; + a1 = this.columns; + } + if ((codingPos & 1) ^ blackPixels) { + ++codingPos; + } + + codingLine[codingPos] = a1; + } else if (a1 < codingLine[codingPos]) { + if (a1 < 0) { + info('invalid code'); + this.err = true; + a1 = 0; + } + while (codingPos > 0 && a1 < codingLine[codingPos - 1]) { + --codingPos; + } + codingLine[codingPos] = a1; + } + + this.codingPos = codingPos; + }; + + CCITTFaxStream.prototype.lookChar = function CCITTFaxStream_lookChar() { + var refLine = this.refLine; + var codingLine = this.codingLine; + var columns = this.columns; + + var refPos, blackPixels, bits, i; + + if (this.outputBits === 0) { + if (this.eof) { + return null; + } + this.err = false; + + var code1, code2, code3; + if (this.nextLine2D) { + for (i = 0; codingLine[i] < columns; ++i) { + refLine[i] = codingLine[i]; + } + refLine[i++] = columns; + refLine[i] = columns; + codingLine[0] = 0; + this.codingPos = 0; + refPos = 0; + blackPixels = 0; + + while (codingLine[this.codingPos] < columns) { + code1 = this.getTwoDimCode(); + switch (code1) { + case twoDimPass: + this.addPixels(refLine[refPos + 1], blackPixels); + if (refLine[refPos + 1] < columns) { + refPos += 2; + } + break; + case twoDimHoriz: + code1 = code2 = 0; + if (blackPixels) { + do { + code1 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + do { + code2 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + } else { + do { + code1 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + do { + code2 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + + code1, blackPixels); + if (codingLine[this.codingPos] < columns) { + this.addPixels(codingLine[this.codingPos] + code2, + blackPixels ^ 1); + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + break; + case twoDimVertR3: + this.addPixels(refLine[refPos] + 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR2: + this.addPixels(refLine[refPos] + 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertR1: + this.addPixels(refLine[refPos] + 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVert0: + this.addPixels(refLine[refPos], blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + ++refPos; + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL3: + this.addPixelsNeg(refLine[refPos] - 3, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL2: + this.addPixelsNeg(refLine[refPos] - 2, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case twoDimVertL1: + this.addPixelsNeg(refLine[refPos] - 1, blackPixels); + blackPixels ^= 1; + if (codingLine[this.codingPos] < columns) { + if (refPos > 0) { + --refPos; + } else { + ++refPos; + } + while (refLine[refPos] <= codingLine[this.codingPos] && + refLine[refPos] < columns) { + refPos += 2; + } + } + break; + case ccittEOF: + this.addPixels(columns, 0); + this.eof = true; + break; + default: + info('bad 2d code'); + this.addPixels(columns, 0); + this.err = true; + } + } + } else { + codingLine[0] = 0; + this.codingPos = 0; + blackPixels = 0; + while (codingLine[this.codingPos] < columns) { + code1 = 0; + if (blackPixels) { + do { + code1 += (code3 = this.getBlackCode()); + } while (code3 >= 64); + } else { + do { + code1 += (code3 = this.getWhiteCode()); + } while (code3 >= 64); + } + this.addPixels(codingLine[this.codingPos] + code1, blackPixels); + blackPixels ^= 1; + } + } + + var gotEOL = false; + + if (this.byteAlign) { + this.inputBits &= ~7; + } + + if (!this.eoblock && this.row === this.rows - 1) { + this.eof = true; + } else { + code1 = this.lookBits(12); + if (this.eoline) { + while (code1 !== ccittEOF && code1 !== 1) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } else { + while (code1 === 0) { + this.eatBits(1); + code1 = this.lookBits(12); + } + } + if (code1 === 1) { + this.eatBits(12); + gotEOL = true; + } else if (code1 === ccittEOF) { + this.eof = true; + } + } + + if (!this.eof && this.encoding > 0) { + this.nextLine2D = !this.lookBits(1); + this.eatBits(1); + } + + if (this.eoblock && gotEOL && this.byteAlign) { + code1 = this.lookBits(12); + if (code1 === 1) { + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + if (this.encoding >= 0) { + for (i = 0; i < 4; ++i) { + code1 = this.lookBits(12); + if (code1 !== 1) { + info('bad rtc code: ' + code1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.lookBits(1); + this.eatBits(1); + } + } + } + this.eof = true; + } + } else if (this.err && this.eoline) { + while (true) { + code1 = this.lookBits(13); + if (code1 === ccittEOF) { + this.eof = true; + return null; + } + if ((code1 >> 1) === 1) { + break; + } + this.eatBits(1); + } + this.eatBits(12); + if (this.encoding > 0) { + this.eatBits(1); + this.nextLine2D = !(code1 & 1); + } + } + + if (codingLine[0] > 0) { + this.outputBits = codingLine[this.codingPos = 0]; + } else { + this.outputBits = codingLine[this.codingPos = 1]; + } + this.row++; + } + + var c; + if (this.outputBits >= 8) { + c = (this.codingPos & 1) ? 0 : 0xFF; + this.outputBits -= 8; + if (this.outputBits === 0 && codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = (codingLine[this.codingPos] - + codingLine[this.codingPos - 1]); + } + } else { + bits = 8; + c = 0; + do { + if (this.outputBits > bits) { + c <<= bits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> (8 - bits); + } + this.outputBits -= bits; + bits = 0; + } else { + c <<= this.outputBits; + if (!(this.codingPos & 1)) { + c |= 0xFF >> (8 - this.outputBits); + } + bits -= this.outputBits; + this.outputBits = 0; + if (codingLine[this.codingPos] < columns) { + this.codingPos++; + this.outputBits = (codingLine[this.codingPos] - + codingLine[this.codingPos - 1]); + } else if (bits > 0) { + c <<= bits; + bits = 0; + } + } + } while (bits); + } + if (this.black) { + c ^= 0xFF; + } + return c; + }; + + // This functions returns the code found from the table. + // The start and end parameters set the boundaries for searching the table. + // The limit parameter is optional. Function returns an array with three + // values. The first array element indicates whether a valid code is being + // returned. The second array element is the actual code. The third array + // element indicates whether EOF was reached. + CCITTFaxStream.prototype.findTableCode = + function ccittFaxStreamFindTableCode(start, end, table, limit) { + + var limitValue = limit || 0; + for (var i = start; i <= end; ++i) { + var code = this.lookBits(i); + if (code === ccittEOF) { + return [true, 1, false]; + } + if (i < end) { + code <<= end - i; + } + if (!limitValue || code >= limitValue) { + var p = table[code - limitValue]; + if (p[0] === i) { + this.eatBits(i); + return [true, p[1], true]; + } + } + } + return [false, 0, false]; + }; + + CCITTFaxStream.prototype.getTwoDimCode = + function ccittFaxStreamGetTwoDimCode() { + + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(7); + p = twoDimTable[code]; + if (p && p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 7, twoDimTable); + if (result[0] && result[2]) { + return result[1]; + } + } + info('Bad two dim code'); + return ccittEOF; + }; + + CCITTFaxStream.prototype.getWhiteCode = + function ccittFaxStreamGetWhiteCode() { + + var code = 0; + var p; + if (this.eoblock) { + code = this.lookBits(12); + if (code === ccittEOF) { + return 1; + } + + if ((code >> 5) === 0) { + p = whiteTable1[code]; + } else { + p = whiteTable2[code >> 3]; + } + + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(1, 9, whiteTable2); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(11, 12, whiteTable1); + if (result[0]) { + return result[1]; + } + } + info('bad white code'); + this.eatBits(1); + return 1; + }; + + CCITTFaxStream.prototype.getBlackCode = + function ccittFaxStreamGetBlackCode() { + + var code, p; + if (this.eoblock) { + code = this.lookBits(13); + if (code === ccittEOF) { + return 1; + } + if ((code >> 7) === 0) { + p = blackTable1[code]; + } else if ((code >> 9) === 0 && (code >> 7) !== 0) { + p = blackTable2[(code >> 1) - 64]; + } else { + p = blackTable3[code >> 7]; + } + + if (p[0] > 0) { + this.eatBits(p[0]); + return p[1]; + } + } else { + var result = this.findTableCode(2, 6, blackTable3); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(7, 12, blackTable2, 64); + if (result[0]) { + return result[1]; + } + + result = this.findTableCode(10, 13, blackTable1); + if (result[0]) { + return result[1]; + } + } + info('bad black code'); + this.eatBits(1); + return 1; + }; + + CCITTFaxStream.prototype.lookBits = function CCITTFaxStream_lookBits(n) { + var c; + while (this.inputBits < n) { + if ((c = this.str.getByte()) === -1) { + if (this.inputBits === 0) { + return ccittEOF; + } + return ((this.inputBuf << (n - this.inputBits)) & + (0xFFFF >> (16 - n))); + } + this.inputBuf = (this.inputBuf << 8) | c; + this.inputBits += 8; + } + return (this.inputBuf >> (this.inputBits - n)) & (0xFFFF >> (16 - n)); + }; + + CCITTFaxStream.prototype.eatBits = function CCITTFaxStream_eatBits(n) { + if ((this.inputBits -= n) < 0) { + this.inputBits = 0; + } + }; + + return CCITTFaxStream; +})(); + +var LZWStream = (function LZWStreamClosure() { + function LZWStream(str, maybeLength, earlyChange) { + this.str = str; + this.dict = str.dict; + this.cachedData = 0; + this.bitsCached = 0; + + var maxLzwDictionarySize = 4096; + var lzwState = { + earlyChange: earlyChange, + codeLength: 9, + nextCode: 258, + dictionaryValues: new Uint8Array(maxLzwDictionarySize), + dictionaryLengths: new Uint16Array(maxLzwDictionarySize), + dictionaryPrevCodes: new Uint16Array(maxLzwDictionarySize), + currentSequence: new Uint8Array(maxLzwDictionarySize), + currentSequenceLength: 0 + }; + for (var i = 0; i < 256; ++i) { + lzwState.dictionaryValues[i] = i; + lzwState.dictionaryLengths[i] = 1; + } + this.lzwState = lzwState; + + DecodeStream.call(this, maybeLength); + } + + LZWStream.prototype = Object.create(DecodeStream.prototype); + + LZWStream.prototype.readBits = function LZWStream_readBits(n) { + var bitsCached = this.bitsCached; + var cachedData = this.cachedData; + while (bitsCached < n) { + var c = this.str.getByte(); + if (c === -1) { + this.eof = true; + return null; + } + cachedData = (cachedData << 8) | c; + bitsCached += 8; + } + this.bitsCached = (bitsCached -= n); + this.cachedData = cachedData; + this.lastCode = null; + return (cachedData >>> bitsCached) & ((1 << n) - 1); + }; + + LZWStream.prototype.readBlock = function LZWStream_readBlock() { + var blockSize = 512; + var estimatedDecodedSize = blockSize * 2, decodedSizeDelta = blockSize; + var i, j, q; + + var lzwState = this.lzwState; + if (!lzwState) { + return; // eof was found + } + + var earlyChange = lzwState.earlyChange; + var nextCode = lzwState.nextCode; + var dictionaryValues = lzwState.dictionaryValues; + var dictionaryLengths = lzwState.dictionaryLengths; + var dictionaryPrevCodes = lzwState.dictionaryPrevCodes; + var codeLength = lzwState.codeLength; + var prevCode = lzwState.prevCode; + var currentSequence = lzwState.currentSequence; + var currentSequenceLength = lzwState.currentSequenceLength; + + var decodedLength = 0; + var currentBufferLength = this.bufferLength; + var buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + + for (i = 0; i < blockSize; i++) { + var code = this.readBits(codeLength); + var hasPrev = currentSequenceLength > 0; + if (code < 256) { + currentSequence[0] = code; + currentSequenceLength = 1; + } else if (code >= 258) { + if (code < nextCode) { + currentSequenceLength = dictionaryLengths[code]; + for (j = currentSequenceLength - 1, q = code; j >= 0; j--) { + currentSequence[j] = dictionaryValues[q]; + q = dictionaryPrevCodes[q]; + } + } else { + currentSequence[currentSequenceLength++] = currentSequence[0]; + } + } else if (code === 256) { + codeLength = 9; + nextCode = 258; + currentSequenceLength = 0; + continue; + } else { + this.eof = true; + delete this.lzwState; + break; + } + + if (hasPrev) { + dictionaryPrevCodes[nextCode] = prevCode; + dictionaryLengths[nextCode] = dictionaryLengths[prevCode] + 1; + dictionaryValues[nextCode] = currentSequence[0]; + nextCode++; + codeLength = (nextCode + earlyChange) & (nextCode + earlyChange - 1) ? + codeLength : Math.min(Math.log(nextCode + earlyChange) / + 0.6931471805599453 + 1, 12) | 0; + } + prevCode = code; + + decodedLength += currentSequenceLength; + if (estimatedDecodedSize < decodedLength) { + do { + estimatedDecodedSize += decodedSizeDelta; + } while (estimatedDecodedSize < decodedLength); + buffer = this.ensureBuffer(this.bufferLength + estimatedDecodedSize); + } + for (j = 0; j < currentSequenceLength; j++) { + buffer[currentBufferLength++] = currentSequence[j]; + } + } + lzwState.nextCode = nextCode; + lzwState.codeLength = codeLength; + lzwState.prevCode = prevCode; + lzwState.currentSequenceLength = currentSequenceLength; + + this.bufferLength = currentBufferLength; + }; + + return LZWStream; +})(); + +var NullStream = (function NullStreamClosure() { + function NullStream() { + Stream.call(this, new Uint8Array(0)); + } + + NullStream.prototype = Stream.prototype; + + return NullStream; +})(); + +exports.Ascii85Stream = Ascii85Stream; +exports.AsciiHexStream = AsciiHexStream; +exports.CCITTFaxStream = CCITTFaxStream; +exports.DecryptStream = DecryptStream; +exports.DecodeStream = DecodeStream; +exports.FlateStream = FlateStream; +exports.Jbig2Stream = Jbig2Stream; +exports.JpegStream = JpegStream; +exports.JpxStream = JpxStream; +exports.NullStream = NullStream; +exports.PredictorStream = PredictorStream; +exports.RunLengthStream = RunLengthStream; +exports.Stream = Stream; +exports.StreamsSequenceStream = StreamsSequenceStream; +exports.StringStream = StringStream; +exports.LZWStream = LZWStream; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCrypto = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var PasswordException = sharedUtil.PasswordException; +var PasswordResponses = sharedUtil.PasswordResponses; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var isInt = sharedUtil.isInt; +var stringToBytes = sharedUtil.stringToBytes; +var utf8StringToString = sharedUtil.utf8StringToString; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var isName = corePrimitives.isName; +var isDict = corePrimitives.isDict; +var DecryptStream = coreStream.DecryptStream; + +var ARCFourCipher = (function ARCFourCipherClosure() { + function ARCFourCipher(key) { + this.a = 0; + this.b = 0; + var s = new Uint8Array(256); + var i, j = 0, tmp, keyLength = key.length; + for (i = 0; i < 256; ++i) { + s[i] = i; + } + for (i = 0; i < 256; ++i) { + tmp = s[i]; + j = (j + tmp + key[i % keyLength]) & 0xFF; + s[i] = s[j]; + s[j] = tmp; + } + this.s = s; + } + + ARCFourCipher.prototype = { + encryptBlock: function ARCFourCipher_encryptBlock(data) { + var i, n = data.length, tmp, tmp2; + var a = this.a, b = this.b, s = this.s; + var output = new Uint8Array(n); + for (i = 0; i < n; ++i) { + a = (a + 1) & 0xFF; + tmp = s[a]; + b = (b + tmp) & 0xFF; + tmp2 = s[b]; + s[a] = tmp2; + s[b] = tmp; + output[i] = data[i] ^ s[(tmp + tmp2) & 0xFF]; + } + this.a = a; + this.b = b; + return output; + } + }; + ARCFourCipher.prototype.decryptBlock = ARCFourCipher.prototype.encryptBlock; + + return ARCFourCipher; +})(); + +var calculateMD5 = (function calculateMD5Closure() { + var r = new Uint8Array([ + 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, + 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, 5, 9, 14, 20, + 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, + 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21]); + + var k = new Int32Array([ + -680876936, -389564586, 606105819, -1044525330, -176418897, 1200080426, + -1473231341, -45705983, 1770035416, -1958414417, -42063, -1990404162, + 1804603682, -40341101, -1502002290, 1236535329, -165796510, -1069501632, + 643717713, -373897302, -701558691, 38016083, -660478335, -405537848, + 568446438, -1019803690, -187363961, 1163531501, -1444681467, -51403784, + 1735328473, -1926607734, -378558, -2022574463, 1839030562, -35309556, + -1530992060, 1272893353, -155497632, -1094730640, 681279174, -358537222, + -722521979, 76029189, -640364487, -421815835, 530742520, -995338651, + -198630844, 1126891415, -1416354905, -57434055, 1700485571, -1894986606, + -1051523, -2054922799, 1873313359, -30611744, -1560198380, 1309151649, + -145523070, -1120210379, 718787259, -343485551]); + + function hash(data, offset, length) { + var h0 = 1732584193, h1 = -271733879, h2 = -1732584194, h3 = 271733878; + // pre-processing + var paddedLength = (length + 72) & ~63; // data + 9 extra bytes + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = (length << 3) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + var w = new Int32Array(16); + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j, i += 4) { + w[j] = (padded[i] | (padded[i + 1] << 8) | + (padded[i + 2] << 16) | (padded[i + 3] << 24)); + } + var a = h0, b = h1, c = h2, d = h3, f, g; + for (j = 0; j < 64; ++j) { + if (j < 16) { + f = (b & c) | ((~b) & d); + g = j; + } else if (j < 32) { + f = (d & b) | ((~d) & c); + g = (5 * j + 1) & 15; + } else if (j < 48) { + f = b ^ c ^ d; + g = (3 * j + 5) & 15; + } else { + f = c ^ (b | (~d)); + g = (7 * j) & 15; + } + var tmp = d, rotateArg = (a + f + k[j] + w[g]) | 0, rotate = r[j]; + d = c; + c = b; + b = (b + ((rotateArg << rotate) | (rotateArg >>> (32 - rotate)))) | 0; + a = tmp; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + } + return new Uint8Array([ + h0 & 0xFF, (h0 >> 8) & 0xFF, (h0 >> 16) & 0xFF, (h0 >>> 24) & 0xFF, + h1 & 0xFF, (h1 >> 8) & 0xFF, (h1 >> 16) & 0xFF, (h1 >>> 24) & 0xFF, + h2 & 0xFF, (h2 >> 8) & 0xFF, (h2 >> 16) & 0xFF, (h2 >>> 24) & 0xFF, + h3 & 0xFF, (h3 >> 8) & 0xFF, (h3 >> 16) & 0xFF, (h3 >>> 24) & 0xFF + ]); + } + + return hash; +})(); +var Word64 = (function Word64Closure() { + function Word64(highInteger, lowInteger) { + this.high = highInteger | 0; + this.low = lowInteger | 0; + } + Word64.prototype = { + and: function Word64_and(word) { + this.high &= word.high; + this.low &= word.low; + }, + xor: function Word64_xor(word) { + this.high ^= word.high; + this.low ^= word.low; + }, + + or: function Word64_or(word) { + this.high |= word.high; + this.low |= word.low; + }, + + shiftRight: function Word64_shiftRight(places) { + if (places >= 32) { + this.low = (this.high >>> (places - 32)) | 0; + this.high = 0; + } else { + this.low = (this.low >>> places) | (this.high << (32 - places)); + this.high = (this.high >>> places) | 0; + } + }, + + shiftLeft: function Word64_shiftLeft(places) { + if (places >= 32) { + this.high = this.low << (places - 32); + this.low = 0; + } else { + this.high = (this.high << places) | (this.low >>> (32 - places)); + this.low = this.low << places; + } + }, + + rotateRight: function Word64_rotateRight(places) { + var low, high; + if (places & 32) { + high = this.low; + low = this.high; + } else { + low = this.low; + high = this.high; + } + places &= 31; + this.low = (low >>> places) | (high << (32 - places)); + this.high = (high >>> places) | (low << (32 - places)); + }, + + not: function Word64_not() { + this.high = ~this.high; + this.low = ~this.low; + }, + + add: function Word64_add(word) { + var lowAdd = (this.low >>> 0) + (word.low >>> 0); + var highAdd = (this.high >>> 0) + (word.high >>> 0); + if (lowAdd > 0xFFFFFFFF) { + highAdd += 1; + } + this.low = lowAdd | 0; + this.high = highAdd | 0; + }, + + copyTo: function Word64_copyTo(bytes, offset) { + bytes[offset] = (this.high >>> 24) & 0xFF; + bytes[offset + 1] = (this.high >> 16) & 0xFF; + bytes[offset + 2] = (this.high >> 8) & 0xFF; + bytes[offset + 3] = this.high & 0xFF; + bytes[offset + 4] = (this.low >>> 24) & 0xFF; + bytes[offset + 5] = (this.low >> 16) & 0xFF; + bytes[offset + 6] = (this.low >> 8) & 0xFF; + bytes[offset + 7] = this.low & 0xFF; + }, + + assign: function Word64_assign(word) { + this.high = word.high; + this.low = word.low; + } + }; + return Word64; +})(); + +var calculateSHA256 = (function calculateSHA256Closure() { + function rotr(x, n) { + return (x >>> n) | (x << 32 - n); + } + + function ch(x, y, z) { + return (x & y) ^ (~x & z); + } + + function maj(x, y, z) { + return (x & y) ^ (x & z) ^ (y & z); + } + + function sigma(x) { + return rotr(x, 2) ^ rotr(x, 13) ^ rotr(x, 22); + } + + function sigmaPrime(x) { + return rotr(x, 6) ^ rotr(x, 11) ^ rotr(x, 25); + } + + function littleSigma(x) { + return rotr(x, 7) ^ rotr(x, 18) ^ x >>> 3; + } + + function littleSigmaPrime(x) { + return rotr(x, 17) ^ rotr(x, 19) ^ x >>> 10; + } + + var k = [0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2]; + + function hash(data, offset, length) { + // initial hash values + var h0 = 0x6a09e667, h1 = 0xbb67ae85, h2 = 0x3c6ef372, + h3 = 0xa54ff53a, h4 = 0x510e527f, h5 = 0x9b05688c, + h6 = 0x1f83d9ab, h7 = 0x5be0cd19; + // pre-processing + var paddedLength = Math.ceil((length + 9) / 64) * 64; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 8; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + var w = new Uint32Array(64); + // for each 512 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j] = (padded[i] << 24 | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3])); + i += 4; + } + + for (j = 16; j < 64; ++j) { + w[j] = littleSigmaPrime(w[j - 2]) + w[j - 7] + + littleSigma(w[j - 15]) + w[j - 16] | 0; + } + var a = h0, b = h1, c = h2, d = h3, e = h4, + f = h5, g = h6, h = h7, t1, t2; + for (j = 0; j < 64; ++j) { + t1 = h + sigmaPrime(e) + ch(e, f, g) + k[j] + w[j]; + t2 = sigma(a) + maj(a, b, c); + h = g; + g = f; + f = e; + e = (d + t1) | 0; + d = c; + c = b; + b = a; + a = (t1 + t2) | 0; + } + h0 = (h0 + a) | 0; + h1 = (h1 + b) | 0; + h2 = (h2 + c) | 0; + h3 = (h3 + d) | 0; + h4 = (h4 + e) | 0; + h5 = (h5 + f) | 0; + h6 = (h6 + g) | 0; + h7 = (h7 + h) | 0; + } + return new Uint8Array([ + (h0 >> 24) & 0xFF, (h0 >> 16) & 0xFF, (h0 >> 8) & 0xFF, (h0) & 0xFF, + (h1 >> 24) & 0xFF, (h1 >> 16) & 0xFF, (h1 >> 8) & 0xFF, (h1) & 0xFF, + (h2 >> 24) & 0xFF, (h2 >> 16) & 0xFF, (h2 >> 8) & 0xFF, (h2) & 0xFF, + (h3 >> 24) & 0xFF, (h3 >> 16) & 0xFF, (h3 >> 8) & 0xFF, (h3) & 0xFF, + (h4 >> 24) & 0xFF, (h4 >> 16) & 0xFF, (h4 >> 8) & 0xFF, (h4) & 0xFF, + (h5 >> 24) & 0xFF, (h5 >> 16) & 0xFF, (h5 >> 8) & 0xFF, (h5) & 0xFF, + (h6 >> 24) & 0xFF, (h6 >> 16) & 0xFF, (h6 >> 8) & 0xFF, (h6) & 0xFF, + (h7 >> 24) & 0xFF, (h7 >> 16) & 0xFF, (h7 >> 8) & 0xFF, (h7) & 0xFF + ]); + } + + return hash; +})(); + +var calculateSHA512 = (function calculateSHA512Closure() { + function ch(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.not(); + tmp.and(z); + result.xor(tmp); + } + + function maj(result, x, y, z, tmp) { + result.assign(x); + result.and(y); + tmp.assign(x); + tmp.and(z); + result.xor(tmp); + tmp.assign(y); + tmp.and(z); + result.xor(tmp); + } + + function sigma(result, x, tmp) { + result.assign(x); + result.rotateRight(28); + tmp.assign(x); + tmp.rotateRight(34); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(39); + result.xor(tmp); + } + + function sigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(14); + tmp.assign(x); + tmp.rotateRight(18); + result.xor(tmp); + tmp.assign(x); + tmp.rotateRight(41); + result.xor(tmp); + } + + function littleSigma(result, x, tmp) { + result.assign(x); + result.rotateRight(1); + tmp.assign(x); + tmp.rotateRight(8); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(7); + result.xor(tmp); + } + + function littleSigmaPrime(result, x, tmp) { + result.assign(x); + result.rotateRight(19); + tmp.assign(x); + tmp.rotateRight(61); + result.xor(tmp); + tmp.assign(x); + tmp.shiftRight(6); + result.xor(tmp); + } + + var k = [ + new Word64(0x428a2f98, 0xd728ae22), new Word64(0x71374491, 0x23ef65cd), + new Word64(0xb5c0fbcf, 0xec4d3b2f), new Word64(0xe9b5dba5, 0x8189dbbc), + new Word64(0x3956c25b, 0xf348b538), new Word64(0x59f111f1, 0xb605d019), + new Word64(0x923f82a4, 0xaf194f9b), new Word64(0xab1c5ed5, 0xda6d8118), + new Word64(0xd807aa98, 0xa3030242), new Word64(0x12835b01, 0x45706fbe), + new Word64(0x243185be, 0x4ee4b28c), new Word64(0x550c7dc3, 0xd5ffb4e2), + new Word64(0x72be5d74, 0xf27b896f), new Word64(0x80deb1fe, 0x3b1696b1), + new Word64(0x9bdc06a7, 0x25c71235), new Word64(0xc19bf174, 0xcf692694), + new Word64(0xe49b69c1, 0x9ef14ad2), new Word64(0xefbe4786, 0x384f25e3), + new Word64(0x0fc19dc6, 0x8b8cd5b5), new Word64(0x240ca1cc, 0x77ac9c65), + new Word64(0x2de92c6f, 0x592b0275), new Word64(0x4a7484aa, 0x6ea6e483), + new Word64(0x5cb0a9dc, 0xbd41fbd4), new Word64(0x76f988da, 0x831153b5), + new Word64(0x983e5152, 0xee66dfab), new Word64(0xa831c66d, 0x2db43210), + new Word64(0xb00327c8, 0x98fb213f), new Word64(0xbf597fc7, 0xbeef0ee4), + new Word64(0xc6e00bf3, 0x3da88fc2), new Word64(0xd5a79147, 0x930aa725), + new Word64(0x06ca6351, 0xe003826f), new Word64(0x14292967, 0x0a0e6e70), + new Word64(0x27b70a85, 0x46d22ffc), new Word64(0x2e1b2138, 0x5c26c926), + new Word64(0x4d2c6dfc, 0x5ac42aed), new Word64(0x53380d13, 0x9d95b3df), + new Word64(0x650a7354, 0x8baf63de), new Word64(0x766a0abb, 0x3c77b2a8), + new Word64(0x81c2c92e, 0x47edaee6), new Word64(0x92722c85, 0x1482353b), + new Word64(0xa2bfe8a1, 0x4cf10364), new Word64(0xa81a664b, 0xbc423001), + new Word64(0xc24b8b70, 0xd0f89791), new Word64(0xc76c51a3, 0x0654be30), + new Word64(0xd192e819, 0xd6ef5218), new Word64(0xd6990624, 0x5565a910), + new Word64(0xf40e3585, 0x5771202a), new Word64(0x106aa070, 0x32bbd1b8), + new Word64(0x19a4c116, 0xb8d2d0c8), new Word64(0x1e376c08, 0x5141ab53), + new Word64(0x2748774c, 0xdf8eeb99), new Word64(0x34b0bcb5, 0xe19b48a8), + new Word64(0x391c0cb3, 0xc5c95a63), new Word64(0x4ed8aa4a, 0xe3418acb), + new Word64(0x5b9cca4f, 0x7763e373), new Word64(0x682e6ff3, 0xd6b2b8a3), + new Word64(0x748f82ee, 0x5defb2fc), new Word64(0x78a5636f, 0x43172f60), + new Word64(0x84c87814, 0xa1f0ab72), new Word64(0x8cc70208, 0x1a6439ec), + new Word64(0x90befffa, 0x23631e28), new Word64(0xa4506ceb, 0xde82bde9), + new Word64(0xbef9a3f7, 0xb2c67915), new Word64(0xc67178f2, 0xe372532b), + new Word64(0xca273ece, 0xea26619c), new Word64(0xd186b8c7, 0x21c0c207), + new Word64(0xeada7dd6, 0xcde0eb1e), new Word64(0xf57d4f7f, 0xee6ed178), + new Word64(0x06f067aa, 0x72176fba), new Word64(0x0a637dc5, 0xa2c898a6), + new Word64(0x113f9804, 0xbef90dae), new Word64(0x1b710b35, 0x131c471b), + new Word64(0x28db77f5, 0x23047d84), new Word64(0x32caab7b, 0x40c72493), + new Word64(0x3c9ebe0a, 0x15c9bebc), new Word64(0x431d67c4, 0x9c100d4c), + new Word64(0x4cc5d4be, 0xcb3e42b6), new Word64(0x597f299c, 0xfc657e2a), + new Word64(0x5fcb6fab, 0x3ad6faec), new Word64(0x6c44198c, 0x4a475817)]; + + function hash(data, offset, length, mode384) { + mode384 = !!mode384; + // initial hash values + var h0, h1, h2, h3, h4, h5, h6, h7; + if (!mode384) { + h0 = new Word64(0x6a09e667, 0xf3bcc908); + h1 = new Word64(0xbb67ae85, 0x84caa73b); + h2 = new Word64(0x3c6ef372, 0xfe94f82b); + h3 = new Word64(0xa54ff53a, 0x5f1d36f1); + h4 = new Word64(0x510e527f, 0xade682d1); + h5 = new Word64(0x9b05688c, 0x2b3e6c1f); + h6 = new Word64(0x1f83d9ab, 0xfb41bd6b); + h7 = new Word64(0x5be0cd19, 0x137e2179); + } + else { + // SHA384 is exactly the same + // except with different starting values and a trimmed result + h0 = new Word64(0xcbbb9d5d, 0xc1059ed8); + h1 = new Word64(0x629a292a, 0x367cd507); + h2 = new Word64(0x9159015a, 0x3070dd17); + h3 = new Word64(0x152fecd8, 0xf70e5939); + h4 = new Word64(0x67332667, 0xffc00b31); + h5 = new Word64(0x8eb44a87, 0x68581511); + h6 = new Word64(0xdb0c2e0d, 0x64f98fa7); + h7 = new Word64(0x47b5481d, 0xbefa4fa4); + } + + // pre-processing + var paddedLength = Math.ceil((length + 17) / 128) * 128; + var padded = new Uint8Array(paddedLength); + var i, j, n; + for (i = 0; i < length; ++i) { + padded[i] = data[offset++]; + } + padded[i++] = 0x80; + n = paddedLength - 16; + while (i < n) { + padded[i++] = 0; + } + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = 0; + padded[i++] = (length >>> 29) & 0xFF; + padded[i++] = (length >> 21) & 0xFF; + padded[i++] = (length >> 13) & 0xFF; + padded[i++] = (length >> 5) & 0xFF; + padded[i++] = (length << 3) & 0xFF; + + var w = new Array(80); + for (i = 0; i < 80; i++) { + w[i] = new Word64(0, 0); + } + var a = new Word64(0, 0), b = new Word64(0, 0), c = new Word64(0, 0); + var d = new Word64(0, 0), e = new Word64(0, 0), f = new Word64(0, 0); + var g = new Word64(0, 0), h = new Word64(0, 0); + var t1 = new Word64(0, 0), t2 = new Word64(0, 0); + var tmp1 = new Word64(0, 0), tmp2 = new Word64(0, 0), tmp3; + + // for each 1024 bit block + for (i = 0; i < paddedLength;) { + for (j = 0; j < 16; ++j) { + w[j].high = (padded[i] << 24) | (padded[i + 1] << 16) | + (padded[i + 2] << 8) | (padded[i + 3]); + w[j].low = (padded[i + 4]) << 24 | (padded[i + 5]) << 16 | + (padded[i + 6]) << 8 | (padded[i + 7]); + i += 8; + } + for (j = 16; j < 80; ++j) { + tmp3 = w[j]; + littleSigmaPrime(tmp3, w[j - 2], tmp2); + tmp3.add(w[j - 7]); + littleSigma(tmp1, w[j - 15], tmp2); + tmp3.add(tmp1); + tmp3.add(w[j - 16]); + } + + a.assign(h0); b.assign(h1); c.assign(h2); d.assign(h3); + e.assign(h4); f.assign(h5); g.assign(h6); h.assign(h7); + for (j = 0; j < 80; ++j) { + t1.assign(h); + sigmaPrime(tmp1, e, tmp2); + t1.add(tmp1); + ch(tmp1, e, f, g, tmp2); + t1.add(tmp1); + t1.add(k[j]); + t1.add(w[j]); + + sigma(t2, a, tmp2); + maj(tmp1, a, b, c, tmp2); + t2.add(tmp1); + + tmp3 = h; + h = g; + g = f; + f = e; + d.add(t1); + e = d; + d = c; + c = b; + b = a; + tmp3.assign(t1); + tmp3.add(t2); + a = tmp3; + } + h0.add(a); + h1.add(b); + h2.add(c); + h3.add(d); + h4.add(e); + h5.add(f); + h6.add(g); + h7.add(h); + } + + var result; + if (!mode384) { + result = new Uint8Array(64); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + h6.copyTo(result,48); + h7.copyTo(result,56); + } + else { + result = new Uint8Array(48); + h0.copyTo(result,0); + h1.copyTo(result,8); + h2.copyTo(result,16); + h3.copyTo(result,24); + h4.copyTo(result,32); + h5.copyTo(result,40); + } + return result; + } + + return hash; +})(); +var calculateSHA384 = (function calculateSHA384Closure() { + function hash(data, offset, length) { + return calculateSHA512(data, offset, length, true); + } + + return hash; +})(); +var NullCipher = (function NullCipherClosure() { + function NullCipher() { + } + + NullCipher.prototype = { + decryptBlock: function NullCipher_decryptBlock(data) { + return data; + } + }; + + return NullCipher; +})(); + +var AES128Cipher = (function AES128CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey128(cipherKey) { + var b = 176, result = new Uint8Array(b); + result.set(cipherKey); + for (var j = 16, i = 1; j < b; ++i) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ rcon[i]; + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 16]); + j++; + result[j] = (t2 ^= result[j - 16]); + j++; + result[j] = (t3 ^= result[j - 16]); + j++; + result[j] = (t4 ^= result[j - 16]); + j++; + } + } + return result; + } + + function decrypt128(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 9; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt128(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 10; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 160; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + return state; + } + + function AES128Cipher(key) { + this.key = expandKey128(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt128(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + + AES128Cipher.prototype = { + decryptBlock: function AES128Cipher_decryptBlock(data, finalize) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // waiting for IV values -- they are at the start of the stream + for (i = 0; bufferLength < 16 && i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + // need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data.subarray(16), finalize); + }, + encrypt: function AES128Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt128(buffer, this.key); + iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES128Cipher; +})(); + +var AES256Cipher = (function AES256CipherClosure() { + var rcon = new Uint8Array([ + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, + 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, + 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, + 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, + 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, + 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, + 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, + 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, + 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, + 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, + 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, + 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, + 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, + 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, + 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, + 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, + 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, + 0x74, 0xe8, 0xcb, 0x8d]); + + var s = new Uint8Array([ + 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, + 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, + 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, + 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, + 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, + 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, + 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, + 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, + 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, + 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, + 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, + 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, + 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, + 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, + 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, + 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, + 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, + 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, + 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, + 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, + 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, + 0xb0, 0x54, 0xbb, 0x16]); + + var inv_s = new Uint8Array([ + 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, + 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, + 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, + 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, + 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, + 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, + 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, + 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, + 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, + 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, + 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, + 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, + 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, + 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, + 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, + 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, + 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, + 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, + 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, + 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, + 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, + 0x55, 0x21, 0x0c, 0x7d]); + + var mixCol = new Uint8Array(256); + for (var i = 0; i < 256; i++) { + if (i < 128) { + mixCol[i] = i << 1; + } else { + mixCol[i] = (i << 1) ^ 0x1b; + } + } + var mix = new Uint32Array([ + 0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, + 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, + 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, + 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, + 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, + 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, + 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, + 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, + 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, + 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, + 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, + 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, + 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, + 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, + 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, + 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, + 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, + 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, + 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, + 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, + 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, + 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, + 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, + 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, + 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, + 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, + 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, + 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, + 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, + 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, + 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, + 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, + 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, + 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, + 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, + 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, + 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, + 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, + 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, + 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, + 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, + 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, + 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]); + + function expandKey256(cipherKey) { + var b = 240, result = new Uint8Array(b); + var r = 1; + + result.set(cipherKey); + for (var j = 32, i = 1; j < b; ++i) { + if (j % 32 === 16) { + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + } else if (j % 32 === 0) { + // RotWord + var t1 = result[j - 3], t2 = result[j - 2], + t3 = result[j - 1], t4 = result[j - 4]; + // SubWord + t1 = s[t1]; + t2 = s[t2]; + t3 = s[t3]; + t4 = s[t4]; + // Rcon + t1 = t1 ^ r; + if ((r <<= 1) >= 256) { + r = (r ^ 0x1b) & 0xFF; + } + } + + for (var n = 0; n < 4; ++n) { + result[j] = (t1 ^= result[j - 32]); + j++; + result[j] = (t2 ^= result[j - 32]); + j++; + result[j] = (t3 ^= result[j - 32]); + j++; + result[j] = (t4 ^= result[j - 32]); + j++; + } + } + return result; + } + + function decrypt256(input, key) { + var state = new Uint8Array(16); + state.set(input); + var i, j, k; + var t, u, v; + // AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + for (i = 13; i >= 1; --i) { + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + // InvSubBytes + for (j = 0; j < 16; ++j) { + state[j] = inv_s[state[j]]; + } + // AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + // InvMixColumns + for (j = 0; j < 16; j += 4) { + var s0 = mix[state[j]], s1 = mix[state[j + 1]], + s2 = mix[state[j + 2]], s3 = mix[state[j + 3]]; + t = (s0 ^ (s1 >>> 8) ^ (s1 << 24) ^ (s2 >>> 16) ^ (s2 << 16) ^ + (s3 >>> 24) ^ (s3 << 8)); + state[j] = (t >>> 24) & 0xFF; + state[j + 1] = (t >> 16) & 0xFF; + state[j + 2] = (t >> 8) & 0xFF; + state[j + 3] = t & 0xFF; + } + } + // InvShiftRows + t = state[13]; + state[13] = state[9]; + state[9] = state[5]; + state[5] = state[1]; + state[1] = t; + t = state[14]; + u = state[10]; + state[14] = state[6]; + state[10] = state[2]; + state[6] = t; + state[2] = u; + t = state[15]; + u = state[11]; + v = state[7]; + state[15] = state[3]; + state[11] = t; + state[7] = u; + state[3] = v; + for (j = 0; j < 16; ++j) { + // InvSubBytes + state[j] = inv_s[state[j]]; + // AddRoundKey + state[j] ^= key[j]; + } + return state; + } + + function encrypt256(input, key) { + var t, u, v, k; + var state = new Uint8Array(16); + state.set(input); + for (j = 0; j < 16; ++j) { + // AddRoundKey + state[j] ^= key[j]; + } + + for (i = 1; i < 14; i++) { + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //MixColumns + for (var j = 0; j < 16; j += 4) { + var s0 = state[j + 0], s1 = state[j + 1]; + var s2 = state[j + 2], s3 = state[j + 3]; + t = s0 ^ s1 ^ s2 ^ s3; + state[j + 0] ^= t ^ mixCol[s0 ^ s1]; + state[j + 1] ^= t ^ mixCol[s1 ^ s2]; + state[j + 2] ^= t ^ mixCol[s2 ^ s3]; + state[j + 3] ^= t ^ mixCol[s3 ^ s0]; + } + //AddRoundKey + for (j = 0, k = i * 16; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + } + + //SubBytes + for (j = 0; j < 16; ++j) { + state[j] = s[state[j]]; + } + //ShiftRows + v = state[1]; + state[1] = state[5]; + state[5] = state[9]; + state[9] = state[13]; + state[13] = v; + v = state[2]; + u = state[6]; + state[2] = state[10]; + state[6] = state[14]; + state[10] = v; + state[14] = u; + v = state[3]; + u = state[7]; + t = state[11]; + state[3] = state[15]; + state[7] = v; + state[11] = u; + state[15] = t; + //AddRoundKey + for (j = 0, k = 224; j < 16; ++j, ++k) { + state[j] ^= key[k]; + } + + return state; + + } + + function AES256Cipher(key) { + this.key = expandKey256(key); + this.buffer = new Uint8Array(16); + this.bufferPosition = 0; + } + + function decryptBlock2(data, finalize) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = [], iv = this.iv; + + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + // buffer is full, decrypting + var plain = decrypt256(buffer, this.key); + // xor-ing the IV vector to get plain text + for (j = 0; j < 16; ++j) { + plain[j] ^= iv[j]; + } + iv = buffer; + result.push(plain); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + if (finalize) { + // undo a padding that is described in RFC 2898 + var lastBlock = result[result.length - 1]; + var psLen = lastBlock[15]; + if (psLen <= 16) { + for (i = 15, ii = 16 - psLen; i >= ii; --i) { + if (lastBlock[i] !== psLen) { + // Invalid padding, assume that the block has no padding. + psLen = 0; + break; + } + } + outputLength -= psLen; + result[result.length - 1] = lastBlock.subarray(0, 16 - psLen); + } + } + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + + } + + AES256Cipher.prototype = { + decryptBlock: function AES256Cipher_decryptBlock(data, finalize, iv) { + var i, sourceLength = data.length; + var buffer = this.buffer, bufferLength = this.bufferPosition; + // if not supplied an IV wait for IV values + // they are at the start of the stream + if (iv) { + this.iv = iv; + } else { + for (i = 0; bufferLength < 16 && + i < sourceLength; ++i, ++bufferLength) { + buffer[bufferLength] = data[i]; + } + if (bufferLength < 16) { + //need more data + this.bufferLength = bufferLength; + return new Uint8Array([]); + } + this.iv = buffer; + data = data.subarray(16); + } + this.buffer = new Uint8Array(16); + this.bufferLength = 0; + // starting decryption + this.decryptBlock = decryptBlock2; + return this.decryptBlock(data, finalize); + }, + encrypt: function AES256Cipher_encrypt(data, iv) { + var i, j, ii, sourceLength = data.length, + buffer = this.buffer, bufferLength = this.bufferPosition, + result = []; + if (!iv) { + iv = new Uint8Array(16); + } + for (i = 0; i < sourceLength; ++i) { + buffer[bufferLength] = data[i]; + ++bufferLength; + if (bufferLength < 16) { + continue; + } + for (j = 0; j < 16; ++j) { + buffer[j] ^= iv[j]; + } + + // buffer is full, encrypting + var cipher = encrypt256(buffer, this.key); + this.iv = cipher; + result.push(cipher); + buffer = new Uint8Array(16); + bufferLength = 0; + } + // saving incomplete buffer + this.buffer = buffer; + this.bufferLength = bufferLength; + this.iv = iv; + if (result.length === 0) { + return new Uint8Array([]); + } + // combining plain text blocks into one + var outputLength = 16 * result.length; + var output = new Uint8Array(outputLength); + for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16) { + output.set(result[i], j); + } + return output; + } + }; + + return AES256Cipher; +})(); + +var PDF17 = (function PDF17Closure() { + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + function PDF17() { + } + + PDF17.prototype = { + checkOwnerPassword: function PDF17_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF17_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculateSHA256(hashData, 0, hashData.length); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF17_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF17_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculateSHA256(hashData, 0, hashData.length); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF17; +})(); + +var PDF20 = (function PDF20Closure() { + + function concatArrays(array1, array2) { + var t = new Uint8Array(array1.length + array2.length); + t.set(array1, 0); + t.set(array2, array1.length); + return t; + } + + function calculatePDF20Hash(password, input, userBytes) { + //This refers to Algorithm 2.B as defined in ISO 32000-2 + var k = calculateSHA256(input, 0, input.length).subarray(0, 32); + var e = [0]; + var i = 0; + while (i < 64 || e[e.length - 1] > i - 32) { + var arrayLength = password.length + k.length + userBytes.length; + + var k1 = new Uint8Array(arrayLength * 64); + var array = concatArrays(password, k); + array = concatArrays(array, userBytes); + for (var j = 0, pos = 0; j < 64; j++, pos += arrayLength) { + k1.set(array, pos); + } + //AES128 CBC NO PADDING with + //first 16 bytes of k as the key and the second 16 as the iv. + var cipher = new AES128Cipher(k.subarray(0, 16)); + e = cipher.encrypt(k1, k.subarray(16, 32)); + //Now we have to take the first 16 bytes of an unsigned + //big endian integer... and compute the remainder + //modulo 3.... That is a fairly large number and + //JavaScript isn't going to handle that well... + //So we're using a trick that allows us to perform + //modulo math byte by byte + var remainder = 0; + for (var z = 0; z < 16; z++) { + remainder *= (256 % 3); + remainder %= 3; + remainder += ((e[z] >>> 0) % 3); + remainder %= 3; + } + if (remainder === 0) { + k = calculateSHA256(e, 0, e.length); + } + else if (remainder === 1) { + k = calculateSHA384(e, 0, e.length); + } + else if (remainder === 2) { + k = calculateSHA512(e, 0, e.length); + } + i++; + } + return k.subarray(0, 32); + } + + function PDF20() { + } + + function compareByteArrays(array1, array2) { + if (array1.length !== array2.length) { + return false; + } + for (var i = 0; i < array1.length; i++) { + if (array1[i] !== array2[i]) { + return false; + } + } + return true; + } + + PDF20.prototype = { + hash: function PDF20_hash(password, concatBytes, userBytes) { + return calculatePDF20Hash(password, concatBytes, userBytes); + }, + checkOwnerPassword: function PDF20_checkOwnerPassword(password, + ownerValidationSalt, + userBytes, + ownerPassword) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerValidationSalt, password.length); + hashData.set(userBytes, password.length + ownerValidationSalt.length); + var result = calculatePDF20Hash(password, hashData, userBytes); + return compareByteArrays(result, ownerPassword); + }, + checkUserPassword: function PDF20_checkUserPassword(password, + userValidationSalt, + userPassword) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userValidationSalt, password.length); + var result = calculatePDF20Hash(password, hashData, []); + return compareByteArrays(result, userPassword); + }, + getOwnerKey: function PDF20_getOwnerKey(password, ownerKeySalt, userBytes, + ownerEncryption) { + var hashData = new Uint8Array(password.length + 56); + hashData.set(password, 0); + hashData.set(ownerKeySalt, password.length); + hashData.set(userBytes, password.length + ownerKeySalt.length); + var key = calculatePDF20Hash(password, hashData, userBytes); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(ownerEncryption, + false, + new Uint8Array(16)); + + }, + getUserKey: function PDF20_getUserKey(password, userKeySalt, + userEncryption) { + var hashData = new Uint8Array(password.length + 8); + hashData.set(password, 0); + hashData.set(userKeySalt, password.length); + //key is the decryption key for the UE string + var key = calculatePDF20Hash(password, hashData, []); + var cipher = new AES256Cipher(key); + return cipher.decryptBlock(userEncryption, + false, + new Uint8Array(16)); + } + }; + return PDF20; +})(); + +var CipherTransform = (function CipherTransformClosure() { + function CipherTransform(stringCipherConstructor, streamCipherConstructor) { + this.stringCipherConstructor = stringCipherConstructor; + this.streamCipherConstructor = streamCipherConstructor; + } + + CipherTransform.prototype = { + createStream: function CipherTransform_createStream(stream, length) { + var cipher = new this.streamCipherConstructor(); + return new DecryptStream(stream, length, + function cipherTransformDecryptStream(data, finalize) { + return cipher.decryptBlock(data, finalize); + } + ); + }, + decryptString: function CipherTransform_decryptString(s) { + var cipher = new this.stringCipherConstructor(); + var data = stringToBytes(s); + data = cipher.decryptBlock(data, true); + return bytesToString(data); + } + }; + return CipherTransform; +})(); + +var CipherTransformFactory = (function CipherTransformFactoryClosure() { + var defaultPasswordBytes = new Uint8Array([ + 0x28, 0xBF, 0x4E, 0x5E, 0x4E, 0x75, 0x8A, 0x41, + 0x64, 0x00, 0x4E, 0x56, 0xFF, 0xFA, 0x01, 0x08, + 0x2E, 0x2E, 0x00, 0xB6, 0xD0, 0x68, 0x3E, 0x80, + 0x2F, 0x0C, 0xA9, 0xFE, 0x64, 0x53, 0x69, 0x7A]); + + function createEncryptionKey20(revision, password, ownerPassword, + ownerValidationSalt, ownerKeySalt, uBytes, + userPassword, userValidationSalt, userKeySalt, + ownerEncryption, userEncryption, perms) { + if (password) { + var passwordLength = Math.min(127, password.length); + password = password.subarray(0, passwordLength); + } else { + password = []; + } + var pdfAlgorithm; + if (revision === 6) { + pdfAlgorithm = new PDF20(); + } else { + pdfAlgorithm = new PDF17(); + } + + if (pdfAlgorithm.checkUserPassword(password, userValidationSalt, + userPassword)) { + return pdfAlgorithm.getUserKey(password, userKeySalt, userEncryption); + } else if (password.length && pdfAlgorithm.checkOwnerPassword(password, + ownerValidationSalt, + uBytes, + ownerPassword)) { + return pdfAlgorithm.getOwnerKey(password, ownerKeySalt, uBytes, + ownerEncryption); + } + + return null; + } + + function prepareKeyData(fileId, password, ownerPassword, userPassword, + flags, revision, keyLength, encryptMetadata) { + var hashDataSize = 40 + ownerPassword.length + fileId.length; + var hashData = new Uint8Array(hashDataSize), i = 0, j, n; + if (password) { + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + // as now the padded password in the hashData[0..i] + for (j = 0, n = ownerPassword.length; j < n; ++j) { + hashData[i++] = ownerPassword[j]; + } + hashData[i++] = flags & 0xFF; + hashData[i++] = (flags >> 8) & 0xFF; + hashData[i++] = (flags >> 16) & 0xFF; + hashData[i++] = (flags >>> 24) & 0xFF; + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + if (revision >= 4 && !encryptMetadata) { + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + hashData[i++] = 0xFF; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, keyLengthInBytes); + } + } + var encryptionKey = hash.subarray(0, keyLengthInBytes); + var cipher, checkData; + + if (revision >= 3) { + for (i = 0; i < 32; ++i) { + hashData[i] = defaultPasswordBytes[i]; + } + for (j = 0, n = fileId.length; j < n; ++j) { + hashData[i++] = fileId[j]; + } + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(calculateMD5(hashData, 0, i)); + n = encryptionKey.length; + var derivedKey = new Uint8Array(n), k; + for (j = 1; j <= 19; ++j) { + for (k = 0; k < n; ++k) { + derivedKey[k] = encryptionKey[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + checkData = cipher.encryptBlock(checkData); + } + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } else { + cipher = new ARCFourCipher(encryptionKey); + checkData = cipher.encryptBlock(defaultPasswordBytes); + for (j = 0, n = checkData.length; j < n; ++j) { + if (userPassword[j] !== checkData[j]) { + return null; + } + } + } + return encryptionKey; + } + + function decodeUserPassword(password, ownerPassword, revision, keyLength) { + var hashData = new Uint8Array(32), i = 0, j, n; + n = Math.min(32, password.length); + for (; i < n; ++i) { + hashData[i] = password[i]; + } + j = 0; + while (i < 32) { + hashData[i++] = defaultPasswordBytes[j++]; + } + var hash = calculateMD5(hashData, 0, i); + var keyLengthInBytes = keyLength >> 3; + if (revision >= 3) { + for (j = 0; j < 50; ++j) { + hash = calculateMD5(hash, 0, hash.length); + } + } + + var cipher, userPassword; + if (revision >= 3) { + userPassword = ownerPassword; + var derivedKey = new Uint8Array(keyLengthInBytes), k; + for (j = 19; j >= 0; j--) { + for (k = 0; k < keyLengthInBytes; ++k) { + derivedKey[k] = hash[k] ^ j; + } + cipher = new ARCFourCipher(derivedKey); + userPassword = cipher.encryptBlock(userPassword); + } + } else { + cipher = new ARCFourCipher(hash.subarray(0, keyLengthInBytes)); + userPassword = cipher.encryptBlock(ownerPassword); + } + return userPassword; + } + + var identityName = Name.get('Identity'); + + function CipherTransformFactory(dict, fileId, password) { + var filter = dict.get('Filter'); + if (!isName(filter, 'Standard')) { + error('unknown encryption method'); + } + this.dict = dict; + var algorithm = dict.get('V'); + if (!isInt(algorithm) || + (algorithm !== 1 && algorithm !== 2 && algorithm !== 4 && + algorithm !== 5)) { + error('unsupported encryption algorithm'); + } + this.algorithm = algorithm; + var keyLength = dict.get('Length'); + if (!keyLength) { + // Spec asks to rely on encryption dictionary's Length entry, however + // some PDFs don't have it. Trying to recover. + if (algorithm <= 3) { + // For 1 and 2 it's fixed to 40-bit, for 3 40-bit is a minimal value. + keyLength = 40; + } else { + // Trying to find default handler -- it usually has Length. + var cfDict = dict.get('CF'); + var streamCryptoName = dict.get('StmF'); + if (isDict(cfDict) && isName(streamCryptoName)) { + var handlerDict = cfDict.get(streamCryptoName.name); + keyLength = (handlerDict && handlerDict.get('Length')) || 128; + if (keyLength < 40) { + // Sometimes it's incorrect value of bits, generators specify bytes. + keyLength <<= 3; + } + } + } + } + if (!isInt(keyLength) || + keyLength < 40 || (keyLength % 8) !== 0) { + error('invalid key length'); + } + + // prepare keys + var ownerPassword = stringToBytes(dict.get('O')).subarray(0, 32); + var userPassword = stringToBytes(dict.get('U')).subarray(0, 32); + var flags = dict.get('P'); + var revision = dict.get('R'); + // meaningful when V is 4 or 5 + var encryptMetadata = ((algorithm === 4 || algorithm === 5) && + dict.get('EncryptMetadata') !== false); + this.encryptMetadata = encryptMetadata; + + var fileIdBytes = stringToBytes(fileId); + var passwordBytes; + if (password) { + if (revision === 6) { + try { + password = utf8StringToString(password); + } catch (ex) { + warn('CipherTransformFactory: ' + + 'Unable to convert UTF8 encoded password.'); + } + } + passwordBytes = stringToBytes(password); + } + + var encryptionKey; + if (algorithm !== 5) { + encryptionKey = prepareKeyData(fileIdBytes, passwordBytes, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + else { + var ownerValidationSalt = stringToBytes(dict.get('O')).subarray(32, 40); + var ownerKeySalt = stringToBytes(dict.get('O')).subarray(40, 48); + var uBytes = stringToBytes(dict.get('U')).subarray(0, 48); + var userValidationSalt = stringToBytes(dict.get('U')).subarray(32, 40); + var userKeySalt = stringToBytes(dict.get('U')).subarray(40, 48); + var ownerEncryption = stringToBytes(dict.get('OE')); + var userEncryption = stringToBytes(dict.get('UE')); + var perms = stringToBytes(dict.get('Perms')); + encryptionKey = + createEncryptionKey20(revision, passwordBytes, + ownerPassword, ownerValidationSalt, + ownerKeySalt, uBytes, + userPassword, userValidationSalt, + userKeySalt, ownerEncryption, + userEncryption, perms); + } + if (!encryptionKey && !password) { + throw new PasswordException('No password given', + PasswordResponses.NEED_PASSWORD); + } else if (!encryptionKey && password) { + // Attempting use the password as an owner password + var decodedPassword = decodeUserPassword(passwordBytes, ownerPassword, + revision, keyLength); + encryptionKey = prepareKeyData(fileIdBytes, decodedPassword, + ownerPassword, userPassword, flags, + revision, keyLength, encryptMetadata); + } + + if (!encryptionKey) { + throw new PasswordException('Incorrect Password', + PasswordResponses.INCORRECT_PASSWORD); + } + + this.encryptionKey = encryptionKey; + + if (algorithm >= 4) { + this.cf = dict.get('CF'); + this.stmf = dict.get('StmF') || identityName; + this.strf = dict.get('StrF') || identityName; + this.eff = dict.get('EFF') || this.stmf; + } + } + + function buildObjectKey(num, gen, encryptionKey, isAes) { + var key = new Uint8Array(encryptionKey.length + 9), i, n; + for (i = 0, n = encryptionKey.length; i < n; ++i) { + key[i] = encryptionKey[i]; + } + key[i++] = num & 0xFF; + key[i++] = (num >> 8) & 0xFF; + key[i++] = (num >> 16) & 0xFF; + key[i++] = gen & 0xFF; + key[i++] = (gen >> 8) & 0xFF; + if (isAes) { + key[i++] = 0x73; + key[i++] = 0x41; + key[i++] = 0x6C; + key[i++] = 0x54; + } + var hash = calculateMD5(key, 0, i); + return hash.subarray(0, Math.min(encryptionKey.length + 5, 16)); + } + + function buildCipherConstructor(cf, name, num, gen, key) { + var cryptFilter = cf.get(name.name); + var cfm; + if (cryptFilter !== null && cryptFilter !== undefined) { + cfm = cryptFilter.get('CFM'); + } + if (!cfm || cfm.name === 'None') { + return function cipherTransformFactoryBuildCipherConstructorNone() { + return new NullCipher(); + }; + } + if ('V2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorV2() { + return new ARCFourCipher(buildObjectKey(num, gen, key, false)); + }; + } + if ('AESV2' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV2() { + return new AES128Cipher(buildObjectKey(num, gen, key, true)); + }; + } + if ('AESV3' === cfm.name) { + return function cipherTransformFactoryBuildCipherConstructorAESV3() { + return new AES256Cipher(key); + }; + } + error('Unknown crypto method'); + } + + CipherTransformFactory.prototype = { + createCipherTransform: + function CipherTransformFactory_createCipherTransform(num, gen) { + if (this.algorithm === 4 || this.algorithm === 5) { + return new CipherTransform( + buildCipherConstructor(this.cf, this.stmf, + num, gen, this.encryptionKey), + buildCipherConstructor(this.cf, this.strf, + num, gen, this.encryptionKey)); + } + // algorithms 1 and 2 + var key = buildObjectKey(num, gen, this.encryptionKey, false); + var cipherConstructor = function buildCipherCipherConstructor() { + return new ARCFourCipher(key); + }; + return new CipherTransform(cipherConstructor, cipherConstructor); + } + }; + + return CipherTransformFactory; +})(); + +exports.AES128Cipher = AES128Cipher; +exports.AES256Cipher = AES256Cipher; +exports.ARCFourCipher = ARCFourCipher; +exports.CipherTransformFactory = CipherTransformFactory; +exports.PDF17 = PDF17; +exports.PDF20 = PDF20; +exports.calculateMD5 = calculateMD5; +exports.calculateSHA256 = calculateSHA256; +exports.calculateSHA384 = calculateSHA384; +exports.calculateSHA512 = calculateSHA512; +})); + +(function (root, factory) { + { + factory((root.pdfjsCoreFontRenderer = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreGlyphList, root.pdfjsCoreEncodings, + root.pdfjsCoreCFFParser); + } +}(this, function (exports, sharedUtil, coreStream, coreGlyphList, + coreEncodings, coreCFFParser) { + +var Util = sharedUtil.Util; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var Stream = coreStream.Stream; +var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; +var StandardEncoding = coreEncodings.StandardEncoding; +var CFFParser = coreCFFParser.CFFParser; + +var FontRendererFactory = (function FontRendererFactoryClosure() { + function getLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + } + + function getUshort(data, offset) { + return (data[offset] << 8) | data[offset + 1]; + } + + function parseCmap(data, start, end) { + var offset = (getUshort(data, start + 2) === 1 ? + getLong(data, start + 8) : getLong(data, start + 16)); + var format = getUshort(data, start + offset); + var length, ranges, p, i; + if (format === 4) { + length = getUshort(data, start + offset + 2); + var segCount = getUshort(data, start + offset + 6) >> 1; + p = start + offset + 14; + ranges = []; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i] = {end: getUshort(data, p)}; + } + p += 2; + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].start = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + ranges[i].idDelta = getUshort(data, p); + } + for (i = 0; i < segCount; i++, p += 2) { + var idOffset = getUshort(data, p); + if (idOffset === 0) { + continue; + } + ranges[i].ids = []; + for (var j = 0, jj = ranges[i].end - ranges[i].start + 1; j < jj; j++) { + ranges[i].ids[j] = getUshort(data, p + idOffset); + idOffset += 2; + } + } + return ranges; + } else if (format === 12) { + length = getLong(data, start + offset + 4); + var groups = getLong(data, start + offset + 12); + p = start + offset + 16; + ranges = []; + for (i = 0; i < groups; i++) { + ranges.push({ + start: getLong(data, p), + end: getLong(data, p + 4), + idDelta: getLong(data, p + 8) - getLong(data, p) + }); + p += 12; + } + return ranges; + } + error('not supported cmap: ' + format); + } + + function parseCff(data, start, end, seacAnalysisEnabled) { + var properties = {}; + var parser = new CFFParser(new Stream(data, start, end - start), + properties, seacAnalysisEnabled); + var cff = parser.parse(); + return { + glyphs: cff.charStrings.objects, + subrs: (cff.topDict.privateDict && cff.topDict.privateDict.subrsIndex && + cff.topDict.privateDict.subrsIndex.objects), + gsubrs: cff.globalSubrIndex && cff.globalSubrIndex.objects + }; + } + + function parseGlyfTable(glyf, loca, isGlyphLocationsLong) { + var itemSize, itemDecode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return (data[offset] << 9) | (data[offset + 1] << 1); + }; + } + var glyphs = []; + var startOffset = itemDecode(loca, 0); + for (var j = itemSize; j < loca.length; j += itemSize) { + var endOffset = itemDecode(loca, j); + glyphs.push(glyf.subarray(startOffset, endOffset)); + startOffset = endOffset; + } + return glyphs; + } + + function lookupCmap(ranges, unicode) { + var code = unicode.charCodeAt(0), gid = 0; + var l = 0, r = ranges.length - 1; + while (l < r) { + var c = (l + r + 1) >> 1; + if (code < ranges[c].start) { + r = c - 1; + } else { + l = c; + } + } + if (ranges[l].start <= code && code <= ranges[l].end) { + gid = (ranges[l].idDelta + (ranges[l].ids ? + ranges[l].ids[code - ranges[l].start] : code)) & 0xFFFF; + } + return { + charCode: code, + glyphId: gid, + }; + } + + function compileGlyf(code, cmds, font) { + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function quadraticCurveTo(xa, ya, x, y) { + cmds.push({cmd: 'quadraticCurveTo', args: [xa, ya, x, y]}); + } + + var i = 0; + var numberOfContours = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + var flags; + var x = 0, y = 0; + i += 10; + if (numberOfContours < 0) { + // composite glyph + do { + flags = (code[i] << 8) | code[i + 1]; + var glyphIndex = (code[i + 2] << 8) | code[i + 3]; + i += 4; + var arg1, arg2; + if ((flags & 0x01)) { + arg1 = ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + arg2 = ((code[i + 2] << 24) | (code[i + 3] << 16)) >> 16; + i += 4; + } else { + arg1 = code[i++]; arg2 = code[i++]; + } + if ((flags & 0x02)) { + x = arg1; + y = arg2; + } else { + x = 0; y = 0; // TODO "they are points" ? + } + var scaleX = 1, scaleY = 1, scale01 = 0, scale10 = 0; + if ((flags & 0x08)) { + scaleX = + scaleY = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + i += 2; + } else if ((flags & 0x40)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scaleY = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + i += 4; + } else if ((flags & 0x80)) { + scaleX = ((code[i] << 24) | (code[i + 1] << 16)) / 1073741824; + scale01 = ((code[i + 2] << 24) | (code[i + 3] << 16)) / 1073741824; + scale10 = ((code[i + 4] << 24) | (code[i + 5] << 16)) / 1073741824; + scaleY = ((code[i + 6] << 24) | (code[i + 7] << 16)) / 1073741824; + i += 8; + } + var subglyph = font.glyphs[glyphIndex]; + if (subglyph) { + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', + args: [scaleX, scale01, scale10, scaleY, x, y]}); + compileGlyf(subglyph, cmds, font); + cmds.push({cmd: 'restore'}); + } + } while ((flags & 0x20)); + } else { + // simple glyph + var endPtsOfContours = []; + var j, jj; + for (j = 0; j < numberOfContours; j++) { + endPtsOfContours.push((code[i] << 8) | code[i + 1]); + i += 2; + } + var instructionLength = (code[i] << 8) | code[i + 1]; + i += 2 + instructionLength; // skipping the instructions + var numberOfPoints = endPtsOfContours[endPtsOfContours.length - 1] + 1; + var points = []; + while (points.length < numberOfPoints) { + flags = code[i++]; + var repeat = 1; + if ((flags & 0x08)) { + repeat += code[i++]; + } + while (repeat-- > 0) { + points.push({flags: flags}); + } + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x12) { + case 0x00: + x += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x02: + x -= code[i++]; + break; + case 0x12: + x += code[i++]; + break; + } + points[j].x = x; + } + for (j = 0; j < numberOfPoints; j++) { + switch (points[j].flags & 0x24) { + case 0x00: + y += ((code[i] << 24) | (code[i + 1] << 16)) >> 16; + i += 2; + break; + case 0x04: + y -= code[i++]; + break; + case 0x24: + y += code[i++]; + break; + } + points[j].y = y; + } + + var startPoint = 0; + for (i = 0; i < numberOfContours; i++) { + var endPoint = endPtsOfContours[i]; + // contours might have implicit points, which is located in the middle + // between two neighboring off-curve points + var contour = points.slice(startPoint, endPoint + 1); + if ((contour[0].flags & 1)) { + contour.push(contour[0]); // using start point at the contour end + } else if ((contour[contour.length - 1].flags & 1)) { + // first is off-curve point, trying to use one from the end + contour.unshift(contour[contour.length - 1]); + } else { + // start and end are off-curve points, creating implicit one + var p = { + flags: 1, + x: (contour[0].x + contour[contour.length - 1].x) / 2, + y: (contour[0].y + contour[contour.length - 1].y) / 2 + }; + contour.unshift(p); + contour.push(p); + } + moveTo(contour[0].x, contour[0].y); + for (j = 1, jj = contour.length; j < jj; j++) { + if ((contour[j].flags & 1)) { + lineTo(contour[j].x, contour[j].y); + } else if ((contour[j + 1].flags & 1)){ + quadraticCurveTo(contour[j].x, contour[j].y, + contour[j + 1].x, contour[j + 1].y); + j++; + } else { + quadraticCurveTo(contour[j].x, contour[j].y, + (contour[j].x + contour[j + 1].x) / 2, + (contour[j].y + contour[j + 1].y) / 2); + } + } + startPoint = endPoint + 1; + } + } + } + + function compileCharString(code, cmds, font) { + var stack = []; + var x = 0, y = 0; + var stems = 0; + + function moveTo(x, y) { + cmds.push({cmd: 'moveTo', args: [x, y]}); + } + function lineTo(x, y) { + cmds.push({cmd: 'lineTo', args: [x, y]}); + } + function bezierCurveTo(x1, y1, x2, y2, x, y) { + cmds.push({cmd: 'bezierCurveTo', args: [x1, y1, x2, y2, x, y]}); + } + + function parse(code) { + var i = 0; + while (i < code.length) { + var stackClean = false; + var v = code[i++]; + var xa, xb, ya, yb, y1, y2, y3, n, subrCode; + switch (v) { + case 1: // hstem + stems += stack.length >> 1; + stackClean = true; + break; + case 3: // vstem + stems += stack.length >> 1; + stackClean = true; + break; + case 4: // vmoveto + y += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 5: // rlineto + while (stack.length > 0) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + break; + case 6: // hlineto + while (stack.length > 0) { + x += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + y += stack.shift(); + lineTo(x, y); + } + break; + case 7: // vlineto + while (stack.length > 0) { + y += stack.shift(); + lineTo(x, y); + if (stack.length === 0) { + break; + } + x += stack.shift(); + lineTo(x, y); + } + break; + case 8: // rrcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 10: // callsubr + n = stack.pop() + font.subrsBias; + subrCode = font.subrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 11: // return + return; + case 12: + v = code[i++]; + switch (v) { + case 34: // flex + xa = x + stack.shift(); + xb = xa + stack.shift(); y1 = y + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y, xb, y1, x, y1); + xa = x + stack.shift(); + xb = xa + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y, x, y); + break; + case 35: // flex + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + stack.pop(); // fd + break; + case 36: // hflex1 + xa = x + stack.shift(); y1 = y + stack.shift(); + xb = xa + stack.shift(); y2 = y1 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y1, xb, y2, x, y2); + xa = x + stack.shift(); + xb = xa + stack.shift(); y3 = y2 + stack.shift(); + x = xb + stack.shift(); + bezierCurveTo(xa, y2, xb, y3, x, y); + break; + case 37: // flex1 + var x0 = x, y0 = y; + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb; + if (Math.abs(x - x0) > Math.abs(y - y0)) { + x += stack.shift(); + } else { + y += stack.shift(); + } + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + default: + error('unknown operator: 12 ' + v); + } + break; + case 14: // endchar + if (stack.length >= 4) { + var achar = stack.pop(); + var bchar = stack.pop(); + y = stack.pop(); + x = stack.pop(); + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'translate', args: [x, y]}); + var cmap = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[StandardEncoding[achar]])); + compileCharString(font.glyphs[cmap.glyphId], cmds, font); + cmds.push({cmd: 'restore'}); + + cmap = lookupCmap(font.cmap, String.fromCharCode( + font.glyphNameMap[StandardEncoding[bchar]])); + compileCharString(font.glyphs[cmap.glyphId], cmds, font); + } + return; + case 18: // hstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 19: // hintmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 20: // cntrmask + stems += stack.length >> 1; + i += (stems + 7) >> 3; + stackClean = true; + break; + case 21: // rmoveto + y += stack.pop(); + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 22: // hmoveto + x += stack.pop(); + moveTo(x, y); + stackClean = true; + break; + case 23: // vstemhm + stems += stack.length >> 1; + stackClean = true; + break; + case 24: // rcurveline + while (stack.length > 2) { + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + break; + case 25: // rlinecurve + while (stack.length > 6) { + x += stack.shift(); + y += stack.shift(); + lineTo(x, y); + } + xa = x + stack.shift(); ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + break; + case 26: // vvcurveto + if (stack.length % 2) { + x += stack.shift(); + } + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb; y = yb + stack.shift(); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 27: // hhcurveto + if (stack.length % 2) { + y += stack.shift(); + } + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); y = yb; + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 28: + stack.push(((code[i] << 24) | (code[i + 1] << 16)) >> 16); + i += 2; + break; + case 29: // callgsubr + n = stack.pop() + font.gsubrsBias; + subrCode = font.gsubrs[n]; + if (subrCode) { + parse(subrCode); + } + break; + case 30: // vhcurveto + while (stack.length > 0) { + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + case 31: // hvcurveto + while (stack.length > 0) { + xa = x + stack.shift(); ya = y; + xb = xa + stack.shift(); yb = ya + stack.shift(); + y = yb + stack.shift(); + x = xb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + if (stack.length === 0) { + break; + } + + xa = x; ya = y + stack.shift(); + xb = xa + stack.shift(); yb = ya + stack.shift(); + x = xb + stack.shift(); + y = yb + (stack.length === 1 ? stack.shift() : 0); + bezierCurveTo(xa, ya, xb, yb, x, y); + } + break; + default: + if (v < 32) { + error('unknown operator: ' + v); + } + if (v < 247) { + stack.push(v - 139); + } else if (v < 251) { + stack.push((v - 247) * 256 + code[i++] + 108); + } else if (v < 255) { + stack.push(-(v - 251) * 256 - code[i++] - 108); + } else { + stack.push(((code[i] << 24) | (code[i + 1] << 16) | + (code[i + 2] << 8) | code[i + 3]) / 65536); + i += 4; + } + break; + } + if (stackClean) { + stack.length = 0; + } + } + } + parse(code); + } + + var noop = ''; + + function CompiledFont(fontMatrix) { + this.compiledGlyphs = Object.create(null); + this.compiledCharCodeToGlyphId = Object.create(null); + this.fontMatrix = fontMatrix; + } + CompiledFont.prototype = { + getPathJs: function (unicode) { + var cmap = lookupCmap(this.cmap, unicode); + var fn = this.compiledGlyphs[cmap.glyphId]; + if (!fn) { + fn = this.compileGlyph(this.glyphs[cmap.glyphId]); + this.compiledGlyphs[cmap.glyphId] = fn; + } + if (this.compiledCharCodeToGlyphId[cmap.charCode] === undefined) { + this.compiledCharCodeToGlyphId[cmap.charCode] = cmap.glyphId; + } + return fn; + }, + + compileGlyph: function (code) { + if (!code || code.length === 0 || code[0] === 14) { + return noop; + } + + var cmds = []; + cmds.push({cmd: 'save'}); + cmds.push({cmd: 'transform', args: this.fontMatrix.slice()}); + cmds.push({cmd: 'scale', args: ['size', '-size']}); + + this.compileGlyphImpl(code, cmds); + + cmds.push({cmd: 'restore'}); + + return cmds; + }, + + compileGlyphImpl: function () { + error('Children classes should implement this.'); + }, + + hasBuiltPath: function (unicode) { + var cmap = lookupCmap(this.cmap, unicode); + return (this.compiledGlyphs[cmap.glyphId] !== undefined && + this.compiledCharCodeToGlyphId[cmap.charCode] !== undefined); + } + }; + + function TrueTypeCompiled(glyphs, cmap, fontMatrix) { + fontMatrix = fontMatrix || [0.000488, 0, 0, 0.000488, 0, 0]; + CompiledFont.call(this, fontMatrix); + + this.glyphs = glyphs; + this.cmap = cmap; + } + + Util.inherit(TrueTypeCompiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileGlyf(code, cmds, this); + } + }); + + function Type2Compiled(cffInfo, cmap, fontMatrix, glyphNameMap) { + fontMatrix = fontMatrix || [0.001, 0, 0, 0.001, 0, 0]; + CompiledFont.call(this, fontMatrix); + + this.glyphs = cffInfo.glyphs; + this.gsubrs = cffInfo.gsubrs || []; + this.subrs = cffInfo.subrs || []; + this.cmap = cmap; + this.glyphNameMap = glyphNameMap || getGlyphsUnicode(); + + this.gsubrsBias = (this.gsubrs.length < 1240 ? + 107 : (this.gsubrs.length < 33900 ? 1131 : 32768)); + this.subrsBias = (this.subrs.length < 1240 ? + 107 : (this.subrs.length < 33900 ? 1131 : 32768)); + } + + Util.inherit(Type2Compiled, CompiledFont, { + compileGlyphImpl: function (code, cmds) { + compileCharString(code, cmds, this); + } + }); + + + return { + create: function FontRendererFactory_create(font, seacAnalysisEnabled) { + var data = new Uint8Array(font.data); + var cmap, glyf, loca, cff, indexToLocFormat, unitsPerEm; + var numTables = getUshort(data, 4); + for (var i = 0, p = 12; i < numTables; i++, p += 16) { + var tag = bytesToString(data.subarray(p, p + 4)); + var offset = getLong(data, p + 8); + var length = getLong(data, p + 12); + switch (tag) { + case 'cmap': + cmap = parseCmap(data, offset, offset + length); + break; + case 'glyf': + glyf = data.subarray(offset, offset + length); + break; + case 'loca': + loca = data.subarray(offset, offset + length); + break; + case 'head': + unitsPerEm = getUshort(data, offset + 18); + indexToLocFormat = getUshort(data, offset + 50); + break; + case 'CFF ': + cff = parseCff(data, offset, offset + length, seacAnalysisEnabled); + break; + } + } + + if (glyf) { + var fontMatrix = (!unitsPerEm ? font.fontMatrix : + [1 / unitsPerEm, 0, 0, 1 / unitsPerEm, 0, 0]); + return new TrueTypeCompiled( + parseGlyfTable(glyf, loca, indexToLocFormat), cmap, fontMatrix); + } else { + return new Type2Compiled(cff, cmap, font.fontMatrix, font.glyphNameMap); + } + } + }; +})(); + +exports.FontRendererFactory = FontRendererFactory; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreParser = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream) { + +var MissingDataException = sharedUtil.MissingDataException; +var StreamType = sharedUtil.StreamType; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isNum = sharedUtil.isNum; +var isString = sharedUtil.isString; +var warn = sharedUtil.warn; +var Cmd = corePrimitives.Cmd; +var Dict = corePrimitives.Dict; +var Name = corePrimitives.Name; +var Ref = corePrimitives.Ref; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var Ascii85Stream = coreStream.Ascii85Stream; +var AsciiHexStream = coreStream.AsciiHexStream; +var CCITTFaxStream = coreStream.CCITTFaxStream; +var FlateStream = coreStream.FlateStream; +var Jbig2Stream = coreStream.Jbig2Stream; +var JpegStream = coreStream.JpegStream; +var JpxStream = coreStream.JpxStream; +var LZWStream = coreStream.LZWStream; +var NullStream = coreStream.NullStream; +var PredictorStream = coreStream.PredictorStream; +var RunLengthStream = coreStream.RunLengthStream; + +var EOF = {}; + +function isEOF(v) { + return (v === EOF); +} + +var MAX_LENGTH_TO_CACHE = 1000; + +var Parser = (function ParserClosure() { + function Parser(lexer, allowStreams, xref, recoveryMode) { + this.lexer = lexer; + this.allowStreams = allowStreams; + this.xref = xref; + this.recoveryMode = recoveryMode || false; + this.imageCache = Object.create(null); + this.refill(); + } + + Parser.prototype = { + refill: function Parser_refill() { + this.buf1 = this.lexer.getObj(); + this.buf2 = this.lexer.getObj(); + }, + shift: function Parser_shift() { + if (isCmd(this.buf2, 'ID')) { + this.buf1 = this.buf2; + this.buf2 = null; + } else { + this.buf1 = this.buf2; + this.buf2 = this.lexer.getObj(); + } + }, + tryShift: function Parser_tryShift() { + try { + this.shift(); + return true; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + // Upon failure, the caller should reset this.lexer.pos to a known good + // state and call this.shift() twice to reset the buffers. + return false; + } + }, + getObj: function Parser_getObj(cipherTransform) { + var buf1 = this.buf1; + this.shift(); + + if (buf1 instanceof Cmd) { + switch (buf1.cmd) { + case 'BI': // inline image + return this.makeInlineImage(cipherTransform); + case '[': // array + var array = []; + while (!isCmd(this.buf1, ']') && !isEOF(this.buf1)) { + array.push(this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + if (!this.recoveryMode) { + error('End of file inside array'); + } + return array; + } + this.shift(); + return array; + case '<<': // dictionary or stream + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + info('Malformed dictionary: key must be a name object'); + this.shift(); + continue; + } + + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + if (isEOF(this.buf1)) { + if (!this.recoveryMode) { + error('End of file inside dictionary'); + } + return dict; + } + + // Stream objects are not allowed inside content streams or + // object streams. + if (isCmd(this.buf2, 'stream')) { + return (this.allowStreams ? + this.makeStream(dict, cipherTransform) : dict); + } + this.shift(); + return dict; + default: // simple object + return buf1; + } + } + + if (isInt(buf1)) { // indirect reference or integer + var num = buf1; + if (isInt(this.buf1) && isCmd(this.buf2, 'R')) { + var ref = new Ref(num, this.buf1); + this.shift(); + this.shift(); + return ref; + } + return num; + } + + if (isString(buf1)) { // string + var str = buf1; + if (cipherTransform) { + str = cipherTransform.decryptString(str); + } + return str; + } + + // simple object + return buf1; + }, + /** + * Find the end of the stream by searching for the /EI\s/. + * @returns {number} The inline stream length. + */ + findDefaultInlineStreamEnd: + function Parser_findDefaultInlineStreamEnd(stream) { + var E = 0x45, I = 0x49, SPACE = 0x20, LF = 0xA, CR = 0xD; + var startPos = stream.pos, state = 0, ch, i, n, followingBytes; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else { + assert(state === 2); + if (ch === SPACE || ch === LF || ch === CR) { + // Let's check the next five bytes are ASCII... just be sure. + n = 5; + followingBytes = stream.peekBytes(n); + for (i = 0; i < n; i++) { + ch = followingBytes[i]; + if (ch !== LF && ch !== CR && (ch < SPACE || ch > 0x7F)) { + // Not a LF, CR, SPACE or any visible ASCII character, i.e. + // it's binary stuff. Resetting the state. + state = 0; + break; + } + } + if (state === 2) { + break; // Finished! + } + } else { + state = 0; + } + } + } + return ((stream.pos - 4) - startPos); + }, + /** + * Find the EOI (end-of-image) marker 0xFFD9 of the stream. + * @returns {number} The inline stream length. + */ + findDCTDecodeInlineStreamEnd: + function Parser_findDCTDecodeInlineStreamEnd(stream) { + var startPos = stream.pos, foundEOI = false, b, markerLength, length; + while ((b = stream.getByte()) !== -1) { + if (b !== 0xFF) { // Not a valid marker. + continue; + } + switch (stream.getByte()) { + case 0x00: // Byte stuffing. + // 0xFF00 appears to be a very common byte sequence in JPEG images. + break; + + case 0xFF: // Fill byte. + // Avoid skipping a valid marker, resetting the stream position. + stream.skip(-1); + break; + + case 0xD9: // EOI + foundEOI = true; + break; + + case 0xC0: // SOF0 + case 0xC1: // SOF1 + case 0xC2: // SOF2 + case 0xC3: // SOF3 + + case 0xC5: // SOF5 + case 0xC6: // SOF6 + case 0xC7: // SOF7 + + case 0xC9: // SOF9 + case 0xCA: // SOF10 + case 0xCB: // SOF11 + + case 0xCD: // SOF13 + case 0xCE: // SOF14 + case 0xCF: // SOF15 + + case 0xC4: // DHT + case 0xCC: // DAC + + case 0xDA: // SOS + case 0xDB: // DQT + case 0xDC: // DNL + case 0xDD: // DRI + case 0xDE: // DHP + case 0xDF: // EXP + + case 0xE0: // APP0 + case 0xE1: // APP1 + case 0xE2: // APP2 + case 0xE3: // APP3 + case 0xE4: // APP4 + case 0xE5: // APP5 + case 0xE6: // APP6 + case 0xE7: // APP7 + case 0xE8: // APP8 + case 0xE9: // APP9 + case 0xEA: // APP10 + case 0xEB: // APP11 + case 0xEC: // APP12 + case 0xED: // APP13 + case 0xEE: // APP14 + case 0xEF: // APP15 + + case 0xFE: // COM + // The marker should be followed by the length of the segment. + markerLength = stream.getUint16(); + if (markerLength > 2) { + // |markerLength| contains the byte length of the marker segment, + // including its own length (2 bytes) and excluding the marker. + stream.skip(markerLength - 2); // Jump to the next marker. + } else { + // The marker length is invalid, resetting the stream position. + stream.skip(-2); + } + break; + } + if (foundEOI) { + break; + } + } + length = stream.pos - startPos; + if (b === -1) { + warn('Inline DCTDecode image stream: ' + + 'EOI marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '~>' (i.e. TILDE + GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCII85DecodeInlineStreamEnd: + function Parser_findASCII85DecodeInlineStreamEnd(stream) { + var TILDE = 0x7E, GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === TILDE && stream.peekByte() === GT) { + stream.skip(); + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCII85Decode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Find the EOD (end-of-data) marker '>' (i.e. GT) of the stream. + * @returns {number} The inline stream length. + */ + findASCIIHexDecodeInlineStreamEnd: + function Parser_findASCIIHexDecodeInlineStreamEnd(stream) { + var GT = 0x3E; + var startPos = stream.pos, ch, length; + while ((ch = stream.getByte()) !== -1) { + if (ch === GT) { + break; + } + } + length = stream.pos - startPos; + if (ch === -1) { + warn('Inline ASCIIHexDecode image stream: ' + + 'EOD marker not found, searching for /EI/ instead.'); + stream.skip(-length); // Reset the stream position. + return this.findDefaultInlineStreamEnd(stream); + } + this.inlineStreamSkipEI(stream); + return length; + }, + /** + * Skip over the /EI/ for streams where we search for an EOD marker. + */ + inlineStreamSkipEI: function Parser_inlineStreamSkipEI(stream) { + var E = 0x45, I = 0x49; + var state = 0, ch; + while ((ch = stream.getByte()) !== -1) { + if (state === 0) { + state = (ch === E) ? 1 : 0; + } else if (state === 1) { + state = (ch === I) ? 2 : 0; + } else if (state === 2) { + break; + } + } + }, + makeInlineImage: function Parser_makeInlineImage(cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // Parse dictionary. + var dict = new Dict(this.xref); + while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) { + if (!isName(this.buf1)) { + error('Dictionary key must be a name object'); + } + var key = this.buf1.name; + this.shift(); + if (isEOF(this.buf1)) { + break; + } + dict.set(key, this.getObj(cipherTransform)); + } + + // Extract the name of the first (i.e. the current) image filter. + var filter = dict.get('Filter', 'F'), filterName; + if (isName(filter)) { + filterName = filter.name; + } else if (isArray(filter) && isName(filter[0])) { + filterName = filter[0].name; + } + + // Parse image stream. + var startPos = stream.pos, length, i, ii; + if (filterName === 'DCTDecode' || filterName === 'DCT') { + length = this.findDCTDecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCII85Decide' || filterName === 'A85') { + length = this.findASCII85DecodeInlineStreamEnd(stream); + } else if (filterName === 'ASCIIHexDecode' || filterName === 'AHx') { + length = this.findASCIIHexDecodeInlineStreamEnd(stream); + } else { + length = this.findDefaultInlineStreamEnd(stream); + } + var imageStream = stream.makeSubStream(startPos, length, dict); + + // Cache all images below the MAX_LENGTH_TO_CACHE threshold by their + // adler32 checksum. + var adler32; + if (length < MAX_LENGTH_TO_CACHE) { + var imageBytes = imageStream.getBytes(); + imageStream.reset(); + + var a = 1; + var b = 0; + for (i = 0, ii = imageBytes.length; i < ii; ++i) { + // No modulo required in the loop if imageBytes.length < 5552. + a += imageBytes[i] & 0xff; + b += a; + } + adler32 = ((b % 65521) << 16) | (a % 65521); + + if (this.imageCache.adler32 === adler32) { + this.buf2 = Cmd.get('EI'); + this.shift(); + + this.imageCache[adler32].reset(); + return this.imageCache[adler32]; + } + } + + if (cipherTransform) { + imageStream = cipherTransform.createStream(imageStream, length); + } + + imageStream = this.filter(imageStream, dict, length); + imageStream.dict = dict; + if (adler32 !== undefined) { + imageStream.cacheKey = 'inline_' + length + '_' + adler32; + this.imageCache[adler32] = imageStream; + } + + this.buf2 = Cmd.get('EI'); + this.shift(); + + return imageStream; + }, + makeStream: function Parser_makeStream(dict, cipherTransform) { + var lexer = this.lexer; + var stream = lexer.stream; + + // get stream start position + lexer.skipToNextLine(); + var pos = stream.pos - 1; + + // get length + var length = dict.get('Length'); + if (!isInt(length)) { + info('Bad ' + length + ' attribute in stream'); + length = 0; + } + + // skip over the stream data + stream.pos = pos + length; + lexer.nextChar(); + + // Shift '>>' and check whether the new object marks the end of the stream + if (this.tryShift() && isCmd(this.buf2, 'endstream')) { + this.shift(); // 'stream' + } else { + // bad stream length, scanning for endstream + stream.pos = pos; + var SCAN_BLOCK_SIZE = 2048; + var ENDSTREAM_SIGNATURE_LENGTH = 9; + var ENDSTREAM_SIGNATURE = [0x65, 0x6E, 0x64, 0x73, 0x74, 0x72, 0x65, + 0x61, 0x6D]; + var skipped = 0, found = false, i, j; + while (stream.pos < stream.end) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE); + var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH; + if (scanLength <= 0) { + break; + } + found = false; + i = 0; + while (i < scanLength) { + j = 0; + while (j < ENDSTREAM_SIGNATURE_LENGTH && + scanBytes[i + j] === ENDSTREAM_SIGNATURE[j]) { + j++; + } + if (j >= ENDSTREAM_SIGNATURE_LENGTH) { + found = true; + break; + } + i++; + } + if (found) { + skipped += i; + stream.pos += i; + break; + } + skipped += scanLength; + stream.pos += scanLength; + } + if (!found) { + error('Missing endstream'); + } + length = skipped; + + lexer.nextChar(); + this.shift(); + this.shift(); + } + this.shift(); // 'endstream' + + stream = stream.makeSubStream(pos, length, dict); + if (cipherTransform) { + stream = cipherTransform.createStream(stream, length); + } + stream = this.filter(stream, dict, length); + stream.dict = dict; + return stream; + }, + filter: function Parser_filter(stream, dict, length) { + var filter = dict.get('Filter', 'F'); + var params = dict.get('DecodeParms', 'DP'); + if (isName(filter)) { + return this.makeFilter(stream, filter.name, length, params); + } + + var maybeLength = length; + if (isArray(filter)) { + var filterArray = filter; + var paramsArray = params; + for (var i = 0, ii = filterArray.length; i < ii; ++i) { + filter = filterArray[i]; + if (!isName(filter)) { + error('Bad filter name: ' + filter); + } + + params = null; + if (isArray(paramsArray) && (i in paramsArray)) { + params = paramsArray[i]; + } + stream = this.makeFilter(stream, filter.name, maybeLength, params); + // after the first stream the length variable is invalid + maybeLength = null; + } + } + return stream; + }, + makeFilter: function Parser_makeFilter(stream, name, maybeLength, params) { + if (stream.dict.get('Length') === 0 && !maybeLength) { + warn('Empty "' + name + '" stream.'); + return new NullStream(stream); + } + try { + if (params && this.xref) { + params = this.xref.fetchIfRef(params); + } + var xrefStreamStats = this.xref.stats.streamTypes; + if (name === 'FlateDecode' || name === 'Fl') { + xrefStreamStats[StreamType.FLATE] = true; + if (params) { + return new PredictorStream(new FlateStream(stream, maybeLength), + maybeLength, params); + } + return new FlateStream(stream, maybeLength); + } + if (name === 'LZWDecode' || name === 'LZW') { + xrefStreamStats[StreamType.LZW] = true; + var earlyChange = 1; + if (params) { + if (params.has('EarlyChange')) { + earlyChange = params.get('EarlyChange'); + } + return new PredictorStream( + new LZWStream(stream, maybeLength, earlyChange), + maybeLength, params); + } + return new LZWStream(stream, maybeLength, earlyChange); + } + if (name === 'DCTDecode' || name === 'DCT') { + xrefStreamStats[StreamType.DCT] = true; + return new JpegStream(stream, maybeLength, stream.dict); + } + if (name === 'JPXDecode' || name === 'JPX') { + xrefStreamStats[StreamType.JPX] = true; + return new JpxStream(stream, maybeLength, stream.dict); + } + if (name === 'ASCII85Decode' || name === 'A85') { + xrefStreamStats[StreamType.A85] = true; + return new Ascii85Stream(stream, maybeLength); + } + if (name === 'ASCIIHexDecode' || name === 'AHx') { + xrefStreamStats[StreamType.AHX] = true; + return new AsciiHexStream(stream, maybeLength); + } + if (name === 'CCITTFaxDecode' || name === 'CCF') { + xrefStreamStats[StreamType.CCF] = true; + return new CCITTFaxStream(stream, maybeLength, params); + } + if (name === 'RunLengthDecode' || name === 'RL') { + xrefStreamStats[StreamType.RL] = true; + return new RunLengthStream(stream, maybeLength); + } + if (name === 'JBIG2Decode') { + xrefStreamStats[StreamType.JBIG] = true; + return new Jbig2Stream(stream, maybeLength, stream.dict); + } + warn('filter "' + name + '" not supported yet'); + return stream; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid stream: \"' + ex + '\"'); + return new NullStream(stream); + } + } + }; + + return Parser; +})(); + +var Lexer = (function LexerClosure() { + function Lexer(stream, knownCommands) { + this.stream = stream; + this.nextChar(); + + // While lexing, we build up many strings one char at a time. Using += for + // this can result in lots of garbage strings. It's better to build an + // array of single-char strings and then join() them together at the end. + // And reusing a single array (i.e. |this.strBuf|) over and over for this + // purpose uses less memory than using a new array for each string. + this.strBuf = []; + + // The PDFs might have "glued" commands with other commands, operands or + // literals, e.g. "q1". The knownCommands is a dictionary of the valid + // commands and their prefixes. The prefixes are built the following way: + // if there a command that is a prefix of the other valid command or + // literal (e.g. 'f' and 'false') the following prefixes must be included, + // 'fa', 'fal', 'fals'. The prefixes are not needed, if the command has no + // other commands or literals as a prefix. The knowCommands is optional. + this.knownCommands = knownCommands; + } + + // A '1' in this array means the character is white space. A '1' or + // '2' means the character ends a name or command. + var specialChars = [ + 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, // 0x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x + 1, 0, 0, 0, 0, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, // 2x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, // 3x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 4x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 5x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 6x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, // 7x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ax + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // bx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // cx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // dx + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ex + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // fx + ]; + + function toHexDigit(ch) { + if (ch >= 0x30 && ch <= 0x39) { // '0'-'9' + return ch & 0x0F; + } + if ((ch >= 0x41 && ch <= 0x46) || (ch >= 0x61 && ch <= 0x66)) { + // 'A'-'F', 'a'-'f' + return (ch & 0x0F) + 9; + } + return -1; + } + + Lexer.prototype = { + nextChar: function Lexer_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + peekChar: function Lexer_peekChar() { + return this.stream.peekByte(); + }, + getNumber: function Lexer_getNumber() { + var ch = this.currentChar; + var eNotation = false; + var divideBy = 0; // different from 0 if it's a floating point value + var sign = 1; + + if (ch === 0x2D) { // '-' + sign = -1; + ch = this.nextChar(); + + if (ch === 0x2D) { // '-' + // Ignore double negative (this is consistent with Adobe Reader). + ch = this.nextChar(); + } + } else if (ch === 0x2B) { // '+' + ch = this.nextChar(); + } + if (ch === 0x2E) { // '.' + divideBy = 10; + ch = this.nextChar(); + } + if (ch < 0x30 || ch > 0x39) { // '0' - '9' + error('Invalid number: ' + String.fromCharCode(ch)); + return 0; + } + + var baseValue = ch - 0x30; // '0' + var powerValue = 0; + var powerValueSign = 1; + + while ((ch = this.nextChar()) >= 0) { + if (0x30 <= ch && ch <= 0x39) { // '0' - '9' + var currentDigit = ch - 0x30; // '0' + if (eNotation) { // We are after an 'e' or 'E' + powerValue = powerValue * 10 + currentDigit; + } else { + if (divideBy !== 0) { // We are after a point + divideBy *= 10; + } + baseValue = baseValue * 10 + currentDigit; + } + } else if (ch === 0x2E) { // '.' + if (divideBy === 0) { + divideBy = 1; + } else { + // A number can have only one '.' + break; + } + } else if (ch === 0x2D) { // '-' + // ignore minus signs in the middle of numbers to match + // Adobe's behavior + warn('Badly formatted number'); + } else if (ch === 0x45 || ch === 0x65) { // 'E', 'e' + // 'E' can be either a scientific notation or the beginning of a new + // operator + ch = this.peekChar(); + if (ch === 0x2B || ch === 0x2D) { // '+', '-' + powerValueSign = (ch === 0x2D) ? -1 : 1; + this.nextChar(); // Consume the sign character + } else if (ch < 0x30 || ch > 0x39) { // '0' - '9' + // The 'E' must be the beginning of a new operator + break; + } + eNotation = true; + } else { + // the last character doesn't belong to us + break; + } + } + + if (divideBy !== 0) { + baseValue /= divideBy; + } + if (eNotation) { + baseValue *= Math.pow(10, powerValueSign * powerValue); + } + return sign * baseValue; + }, + getString: function Lexer_getString() { + var numParen = 1; + var done = false; + var strBuf = this.strBuf; + strBuf.length = 0; + + var ch = this.nextChar(); + while (true) { + var charBuffered = false; + switch (ch | 0) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x28: // '(' + ++numParen; + strBuf.push('('); + break; + case 0x29: // ')' + if (--numParen === 0) { + this.nextChar(); // consume strings ')' + done = true; + } else { + strBuf.push(')'); + } + break; + case 0x5C: // '\\' + ch = this.nextChar(); + switch (ch) { + case -1: + warn('Unterminated string'); + done = true; + break; + case 0x6E: // 'n' + strBuf.push('\n'); + break; + case 0x72: // 'r' + strBuf.push('\r'); + break; + case 0x74: // 't' + strBuf.push('\t'); + break; + case 0x62: // 'b' + strBuf.push('\b'); + break; + case 0x66: // 'f' + strBuf.push('\f'); + break; + case 0x5C: // '\' + case 0x28: // '(' + case 0x29: // ')' + strBuf.push(String.fromCharCode(ch)); + break; + case 0x30: case 0x31: case 0x32: case 0x33: // '0'-'3' + case 0x34: case 0x35: case 0x36: case 0x37: // '4'-'7' + var x = ch & 0x0F; + ch = this.nextChar(); + charBuffered = true; + if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' + x = (x << 3) + (ch & 0x0F); + ch = this.nextChar(); + if (ch >= 0x30 && ch <= 0x37) { // '0'-'7' + charBuffered = false; + x = (x << 3) + (ch & 0x0F); + } + } + strBuf.push(String.fromCharCode(x)); + break; + case 0x0D: // CR + if (this.peekChar() === 0x0A) { // LF + this.nextChar(); + } + break; + case 0x0A: // LF + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + break; + default: + strBuf.push(String.fromCharCode(ch)); + break; + } + if (done) { + break; + } + if (!charBuffered) { + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getName: function Lexer_getName() { + var ch, previousCh; + var strBuf = this.strBuf; + strBuf.length = 0; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + if (ch === 0x23) { // '#' + ch = this.nextChar(); + if (specialChars[ch]) { + warn('Lexer_getName: ' + + 'NUMBER SIGN (#) should be followed by a hexadecimal number.'); + strBuf.push('#'); + break; + } + var x = toHexDigit(ch); + if (x !== -1) { + previousCh = ch; + ch = this.nextChar(); + var x2 = toHexDigit(ch); + if (x2 === -1) { + warn('Lexer_getName: Illegal digit (' + + String.fromCharCode(ch) +') in hexadecimal number.'); + strBuf.push('#', String.fromCharCode(previousCh)); + if (specialChars[ch]) { + break; + } + strBuf.push(String.fromCharCode(ch)); + continue; + } + strBuf.push(String.fromCharCode((x << 4) | x2)); + } else { + strBuf.push('#', String.fromCharCode(ch)); + } + } else { + strBuf.push(String.fromCharCode(ch)); + } + } + if (strBuf.length > 127) { + warn('name token is longer than allowed by the spec: ' + strBuf.length); + } + return Name.get(strBuf.join('')); + }, + getHexString: function Lexer_getHexString() { + var strBuf = this.strBuf; + strBuf.length = 0; + var ch = this.currentChar; + var isFirstHex = true; + var firstDigit; + var secondDigit; + while (true) { + if (ch < 0) { + warn('Unterminated hex string'); + break; + } else if (ch === 0x3E) { // '>' + this.nextChar(); + break; + } else if (specialChars[ch] === 1) { + ch = this.nextChar(); + continue; + } else { + if (isFirstHex) { + firstDigit = toHexDigit(ch); + if (firstDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + } else { + secondDigit = toHexDigit(ch); + if (secondDigit === -1) { + warn('Ignoring invalid character "' + ch + '" in hex string'); + ch = this.nextChar(); + continue; + } + strBuf.push(String.fromCharCode((firstDigit << 4) | secondDigit)); + } + isFirstHex = !isFirstHex; + ch = this.nextChar(); + } + } + return strBuf.join(''); + }, + getObj: function Lexer_getObj() { + // skip whitespace and comments + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch < 0) { + return EOF; + } + if (comment) { + if (ch === 0x0A || ch === 0x0D) { // LF, CR + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (specialChars[ch] !== 1) { + break; + } + ch = this.nextChar(); + } + + // start reading token + switch (ch | 0) { + case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' + case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' + case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' + return this.getNumber(); + case 0x28: // '(' + return this.getString(); + case 0x2F: // '/' + return this.getName(); + // array punctuation + case 0x5B: // '[' + this.nextChar(); + return Cmd.get('['); + case 0x5D: // ']' + this.nextChar(); + return Cmd.get(']'); + // hex string or dict punctuation + case 0x3C: // '<' + ch = this.nextChar(); + if (ch === 0x3C) { + // dict punctuation + this.nextChar(); + return Cmd.get('<<'); + } + return this.getHexString(); + // dict punctuation + case 0x3E: // '>' + ch = this.nextChar(); + if (ch === 0x3E) { + this.nextChar(); + return Cmd.get('>>'); + } + return Cmd.get('>'); + case 0x7B: // '{' + this.nextChar(); + return Cmd.get('{'); + case 0x7D: // '}' + this.nextChar(); + return Cmd.get('}'); + case 0x29: // ')' + error('Illegal character: ' + ch); + break; + } + + // command + var str = String.fromCharCode(ch); + var knownCommands = this.knownCommands; + var knownCommandFound = knownCommands && knownCommands[str] !== undefined; + while ((ch = this.nextChar()) >= 0 && !specialChars[ch]) { + // stop if known command is found and next character does not make + // the str a command + var possibleCommand = str + String.fromCharCode(ch); + if (knownCommandFound && knownCommands[possibleCommand] === undefined) { + break; + } + if (str.length === 128) { + error('Command token too long: ' + str.length); + } + str = possibleCommand; + knownCommandFound = knownCommands && knownCommands[str] !== undefined; + } + if (str === 'true') { + return true; + } + if (str === 'false') { + return false; + } + if (str === 'null') { + return null; + } + return Cmd.get(str); + }, + skipToNextLine: function Lexer_skipToNextLine() { + var ch = this.currentChar; + while (ch >= 0) { + if (ch === 0x0D) { // CR + ch = this.nextChar(); + if (ch === 0x0A) { // LF + this.nextChar(); + } + break; + } else if (ch === 0x0A) { // LF + this.nextChar(); + break; + } + ch = this.nextChar(); + } + } + }; + + return Lexer; +})(); + +var Linearization = { + create: function LinearizationCreate(stream) { + function getInt(name, allowZeroValue) { + var obj = linDict.get(name); + if (isInt(obj) && (allowZeroValue ? obj >= 0 : obj > 0)) { + return obj; + } + throw new Error('The "' + name + '" parameter in the linearization ' + + 'dictionary is invalid.'); + } + function getHints() { + var hints = linDict.get('H'), hintsLength, item; + if (isArray(hints) && + ((hintsLength = hints.length) === 2 || hintsLength === 4)) { + for (var index = 0; index < hintsLength; index++) { + if (!(isInt(item = hints[index]) && item > 0)) { + throw new Error('Hint (' + index + + ') in the linearization dictionary is invalid.'); + } + } + return hints; + } + throw new Error('Hint array in the linearization dictionary is invalid.'); + } + var parser = new Parser(new Lexer(stream), false, null); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + var linDict = parser.getObj(); + var obj, length; + if (!(isInt(obj1) && isInt(obj2) && isCmd(obj3, 'obj') && isDict(linDict) && + isNum(obj = linDict.get('Linearized')) && obj > 0)) { + return null; // No valid linearization dictionary found. + } else if ((length = getInt('L')) !== stream.length) { + throw new Error('The "L" parameter in the linearization dictionary ' + + 'does not equal the stream length.'); + } + return { + length: length, + hints: getHints(), + objectNumberFirst: getInt('O'), + endFirst: getInt('E'), + numPages: getInt('N'), + mainXRefEntriesOffset: getInt('T'), + pageFirst: (linDict.has('P') ? getInt('P', true) : 0) + }; + } +}; + +exports.EOF = EOF; +exports.Lexer = Lexer; +exports.Linearization = Linearization; +exports.Parser = Parser; +exports.isEOF = isEOF; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreType1Parser = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreEncodings); + } +}(this, function (exports, sharedUtil, coreStream, coreEncodings) { + +var warn = sharedUtil.warn; +var isSpace = sharedUtil.isSpace; +var Stream = coreStream.Stream; +var getEncoding = coreEncodings.getEncoding; + +// Hinting is currently disabled due to unknown problems on windows +// in tracemonkey and various other pdfs with type1 fonts. +var HINTING_ENABLED = false; + +/* + * CharStrings are encoded following the the CharString Encoding sequence + * describe in Chapter 6 of the "Adobe Type1 Font Format" specification. + * The value in a byte indicates a command, a number, or subsequent bytes + * that are to be interpreted in a special way. + * + * CharString Number Encoding: + * A CharString byte containing the values from 32 through 255 inclusive + * indicate an integer. These values are decoded in four ranges. + * + * 1. A CharString byte containing a value, v, between 32 and 246 inclusive, + * indicate the integer v - 139. Thus, the integer values from -107 through + * 107 inclusive may be encoded in single byte. + * + * 2. A CharString byte containing a value, v, between 247 and 250 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * [(v - 247) x 256] + w + 108 + * + * 3. A CharString byte containing a value, v, between 251 and 254 inclusive, + * indicates an integer involving the next byte, w, according to the formula: + * -[(v - 251) * 256] - w - 108 + * + * 4. A CharString containing the value 255 indicates that the next 4 bytes + * are a two complement signed integer. The first of these bytes contains the + * highest order bits, the second byte contains the next higher order bits + * and the fourth byte contain the lowest order bits. + * + * + * CharString Command Encoding: + * CharStrings commands are encoded in 1 or 2 bytes. + * + * Single byte commands are encoded in 1 byte that contains a value between + * 0 and 31 inclusive. + * If a command byte contains the value 12, then the value in the next byte + * indicates a command. This "escape" mechanism allows many extra commands + * to be encoded and this encoding technique helps to minimize the length of + * the charStrings. + */ +var Type1CharString = (function Type1CharStringClosure() { + var COMMAND_MAP = { + 'hstem': [1], + 'vstem': [3], + 'vmoveto': [4], + 'rlineto': [5], + 'hlineto': [6], + 'vlineto': [7], + 'rrcurveto': [8], + 'callsubr': [10], + 'flex': [12, 35], + 'drop' : [12, 18], + 'endchar': [14], + 'rmoveto': [21], + 'hmoveto': [22], + 'vhcurveto': [30], + 'hvcurveto': [31] + }; + + function Type1CharString() { + this.width = 0; + this.lsb = 0; + this.flexing = false; + this.output = []; + this.stack = []; + } + + Type1CharString.prototype = { + convert: function Type1CharString_convert(encoded, subrs, + seacAnalysisEnabled) { + var count = encoded.length; + var error = false; + var wx, sbx, subrNumber; + for (var i = 0; i < count; i++) { + var value = encoded[i]; + if (value < 32) { + if (value === 12) { + value = (value << 8) + encoded[++i]; + } + switch (value) { + case 1: // hstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case 3: // vstem + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case 4: // vmoveto + if (this.flexing) { + if (this.stack.length < 1) { + error = true; + break; + } + // Add the dx for flex and but also swap the values so they are + // the right order. + var dy = this.stack.pop(); + this.stack.push(0, dy); + break; + } + error = this.executeCommand(1, COMMAND_MAP.vmoveto); + break; + case 5: // rlineto + error = this.executeCommand(2, COMMAND_MAP.rlineto); + break; + case 6: // hlineto + error = this.executeCommand(1, COMMAND_MAP.hlineto); + break; + case 7: // vlineto + error = this.executeCommand(1, COMMAND_MAP.vlineto); + break; + case 8: // rrcurveto + error = this.executeCommand(6, COMMAND_MAP.rrcurveto); + break; + case 9: // closepath + // closepath is a Type1 command that does not take argument and is + // useless in Type2 and it can simply be ignored. + this.stack = []; + break; + case 10: // callsubr + if (this.stack.length < 1) { + error = true; + break; + } + subrNumber = this.stack.pop(); + error = this.convert(subrs[subrNumber], subrs, + seacAnalysisEnabled); + break; + case 11: // return + return error; + case 13: // hsbw + if (this.stack.length < 2) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use hmoveto with lsb. + wx = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx); + error = this.executeCommand(2, COMMAND_MAP.hmoveto); + break; + case 14: // endchar + this.output.push(COMMAND_MAP.endchar[0]); + break; + case 21: // rmoveto + if (this.flexing) { + break; + } + error = this.executeCommand(2, COMMAND_MAP.rmoveto); + break; + case 22: // hmoveto + if (this.flexing) { + // Add the dy for flex. + this.stack.push(0); + break; + } + error = this.executeCommand(1, COMMAND_MAP.hmoveto); + break; + case 30: // vhcurveto + error = this.executeCommand(4, COMMAND_MAP.vhcurveto); + break; + case 31: // hvcurveto + error = this.executeCommand(4, COMMAND_MAP.hvcurveto); + break; + case (12 << 8) + 0: // dotsection + // dotsection is a Type1 command to specify some hinting feature + // for dots that do not take a parameter and it can safely be + // ignored for Type2. + this.stack = []; + break; + case (12 << 8) + 1: // vstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // [vh]stem3 are Type1 only and Type2 supports [vh]stem with + // multiple parameters, so instead of returning [vh]stem3 take a + // shortcut and return [vhstem] instead. + error = this.executeCommand(2, COMMAND_MAP.vstem); + break; + case (12 << 8) + 2: // hstem3 + if (!HINTING_ENABLED) { + this.stack = []; + break; + } + // See vstem3. + error = this.executeCommand(2, COMMAND_MAP.hstem); + break; + case (12 << 8) + 6: // seac + // seac is like type 2's special endchar but it doesn't use the + // first argument asb, so remove it. + if (seacAnalysisEnabled) { + this.seac = this.stack.splice(-4, 4); + error = this.executeCommand(0, COMMAND_MAP.endchar); + } else { + error = this.executeCommand(4, COMMAND_MAP.endchar); + } + break; + case (12 << 8) + 7: // sbw + if (this.stack.length < 4) { + error = true; + break; + } + // To convert to type2 we have to move the width value to the + // first part of the charstring and then use rmoveto with + // (dx, dy). The height argument will not be used for vmtx and + // vhea tables reconstruction -- ignoring it. + var wy = this.stack.pop(); + wx = this.stack.pop(); + var sby = this.stack.pop(); + sbx = this.stack.pop(); + this.lsb = sbx; + this.width = wx; + this.stack.push(wx, sbx, sby); + error = this.executeCommand(3, COMMAND_MAP.rmoveto); + break; + case (12 << 8) + 12: // div + if (this.stack.length < 2) { + error = true; + break; + } + var num2 = this.stack.pop(); + var num1 = this.stack.pop(); + this.stack.push(num1 / num2); + break; + case (12 << 8) + 16: // callothersubr + if (this.stack.length < 2) { + error = true; + break; + } + subrNumber = this.stack.pop(); + var numArgs = this.stack.pop(); + if (subrNumber === 0 && numArgs === 3) { + var flexArgs = this.stack.splice(this.stack.length - 17, 17); + this.stack.push( + flexArgs[2] + flexArgs[0], // bcp1x + rpx + flexArgs[3] + flexArgs[1], // bcp1y + rpy + flexArgs[4], // bcp2x + flexArgs[5], // bcp2y + flexArgs[6], // p2x + flexArgs[7], // p2y + flexArgs[8], // bcp3x + flexArgs[9], // bcp3y + flexArgs[10], // bcp4x + flexArgs[11], // bcp4y + flexArgs[12], // p3x + flexArgs[13], // p3y + flexArgs[14] // flexDepth + // 15 = finalx unused by flex + // 16 = finaly unused by flex + ); + error = this.executeCommand(13, COMMAND_MAP.flex, true); + this.flexing = false; + this.stack.push(flexArgs[15], flexArgs[16]); + } else if (subrNumber === 1 && numArgs === 0) { + this.flexing = true; + } + break; + case (12 << 8) + 17: // pop + // Ignore this since it is only used with othersubr. + break; + case (12 << 8) + 33: // setcurrentpoint + // Ignore for now. + this.stack = []; + break; + default: + warn('Unknown type 1 charstring command of "' + value + '"'); + break; + } + if (error) { + break; + } + continue; + } else if (value <= 246) { + value = value - 139; + } else if (value <= 250) { + value = ((value - 247) * 256) + encoded[++i] + 108; + } else if (value <= 254) { + value = -((value - 251) * 256) - encoded[++i] - 108; + } else { + value = (encoded[++i] & 0xff) << 24 | (encoded[++i] & 0xff) << 16 | + (encoded[++i] & 0xff) << 8 | (encoded[++i] & 0xff) << 0; + } + this.stack.push(value); + } + return error; + }, + + executeCommand: function(howManyArgs, command, keepStack) { + var stackLength = this.stack.length; + if (howManyArgs > stackLength) { + return true; + } + var start = stackLength - howManyArgs; + for (var i = start; i < stackLength; i++) { + var value = this.stack[i]; + if (value === (value | 0)) { // int + this.output.push(28, (value >> 8) & 0xff, value & 0xff); + } else { // fixed point + value = (65536 * value) | 0; + this.output.push(255, + (value >> 24) & 0xFF, + (value >> 16) & 0xFF, + (value >> 8) & 0xFF, + value & 0xFF); + } + } + this.output.push.apply(this.output, command); + if (keepStack) { + this.stack.splice(start, howManyArgs); + } else { + this.stack.length = 0; + } + return false; + } + }; + + return Type1CharString; +})(); + +/* + * Type1Parser encapsulate the needed code for parsing a Type1 font + * program. Some of its logic depends on the Type2 charstrings + * structure. + * Note: this doesn't really parse the font since that would require evaluation + * of PostScript, but it is possible in most cases to extract what we need + * without a full parse. + */ +var Type1Parser = (function Type1ParserClosure() { + /* + * Decrypt a Sequence of Ciphertext Bytes to Produce the Original Sequence + * of Plaintext Bytes. The function took a key as a parameter which can be + * for decrypting the eexec block of for decoding charStrings. + */ + var EEXEC_ENCRYPT_KEY = 55665; + var CHAR_STRS_ENCRYPT_KEY = 4330; + + function isHexDigit(code) { + return code >= 48 && code <= 57 || // '0'-'9' + code >= 65 && code <= 70 || // 'A'-'F' + code >= 97 && code <= 102; // 'a'-'f' + } + + function decrypt(data, key, discardNumber) { + if (discardNumber >= data.length) { + return new Uint8Array(0); + } + var r = key | 0, c1 = 52845, c2 = 22719, i, j; + for (i = 0; i < discardNumber; i++) { + r = ((data[i] + r) * c1 + c2) & ((1 << 16) - 1); + } + var count = data.length - discardNumber; + var decrypted = new Uint8Array(count); + for (i = discardNumber, j = 0; j < count; i++, j++) { + var value = data[i]; + decrypted[j] = value ^ (r >> 8); + r = ((value + r) * c1 + c2) & ((1 << 16) - 1); + } + return decrypted; + } + + function decryptAscii(data, key, discardNumber) { + var r = key | 0, c1 = 52845, c2 = 22719; + var count = data.length, maybeLength = count >>> 1; + var decrypted = new Uint8Array(maybeLength); + var i, j; + for (i = 0, j = 0; i < count; i++) { + var digit1 = data[i]; + if (!isHexDigit(digit1)) { + continue; + } + i++; + var digit2; + while (i < count && !isHexDigit(digit2 = data[i])) { + i++; + } + if (i < count) { + var value = parseInt(String.fromCharCode(digit1, digit2), 16); + decrypted[j++] = value ^ (r >> 8); + r = ((value + r) * c1 + c2) & ((1 << 16) - 1); + } + } + return Array.prototype.slice.call(decrypted, discardNumber, j); + } + + function isSpecial(c) { + return c === 0x2F || // '/' + c === 0x5B || c === 0x5D || // '[', ']' + c === 0x7B || c === 0x7D || // '{', '}' + c === 0x28 || c === 0x29; // '(', ')' + } + + function Type1Parser(stream, encrypted, seacAnalysisEnabled) { + if (encrypted) { + var data = stream.getBytes(); + var isBinary = !(isHexDigit(data[0]) && isHexDigit(data[1]) && + isHexDigit(data[2]) && isHexDigit(data[3])); + stream = new Stream(isBinary ? decrypt(data, EEXEC_ENCRYPT_KEY, 4) : + decryptAscii(data, EEXEC_ENCRYPT_KEY, 4)); + } + this.seacAnalysisEnabled = !!seacAnalysisEnabled; + + this.stream = stream; + this.nextChar(); + } + + Type1Parser.prototype = { + readNumberArray: function Type1Parser_readNumberArray() { + this.getToken(); // read '[' or '{' (arrays can start with either) + var array = []; + while (true) { + var token = this.getToken(); + if (token === null || token === ']' || token === '}') { + break; + } + array.push(parseFloat(token || 0)); + } + return array; + }, + + readNumber: function Type1Parser_readNumber() { + var token = this.getToken(); + return parseFloat(token || 0); + }, + + readInt: function Type1Parser_readInt() { + // Use '| 0' to prevent setting a double into length such as the double + // does not flow into the loop variable. + var token = this.getToken(); + return parseInt(token || 0, 10) | 0; + }, + + readBoolean: function Type1Parser_readBoolean() { + var token = this.getToken(); + + // Use 1 and 0 since that's what type2 charstrings use. + return token === 'true' ? 1 : 0; + }, + + nextChar : function Type1_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + + getToken: function Type1Parser_getToken() { + // Eat whitespace and comments. + var comment = false; + var ch = this.currentChar; + while (true) { + if (ch === -1) { + return null; + } + + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (!isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + if (isSpecial(ch)) { + this.nextChar(); + return String.fromCharCode(ch); + } + var token = ''; + do { + token += String.fromCharCode(ch); + ch = this.nextChar(); + } while (ch >= 0 && !isSpace(ch) && !isSpecial(ch)); + return token; + }, + + /* + * Returns an object containing a Subrs array and a CharStrings + * array extracted from and eexec encrypted block of data + */ + extractFontProgram: function Type1Parser_extractFontProgram() { + var stream = this.stream; + + var subrs = [], charstrings = []; + var privateData = Object.create(null); + privateData['lenIV'] = 4; + var program = { + subrs: [], + charstrings: [], + properties: { + 'privateData': privateData + } + }; + var token, length, data, lenIV, encoded; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'CharStrings': + // The number immediately following CharStrings must be greater or + // equal to the number of CharStrings. + this.getToken(); + this.getToken(); // read in 'dict' + this.getToken(); // read in 'dup' + this.getToken(); // read in 'begin' + while(true) { + token = this.getToken(); + if (token === null || token === 'end') { + break; + } + + if (token !== '/') { + continue; + } + var glyph = this.getToken(); + length = this.readInt(); + this.getToken(); // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); // read in 'ND' or '|-' + if (token === 'noaccess') { + this.getToken(); // read in 'def' + } + charstrings.push({ + glyph: glyph, + encoded: encoded + }); + } + break; + case 'Subrs': + var num = this.readInt(); + this.getToken(); // read in 'array' + while ((token = this.getToken()) === 'dup') { + var index = this.readInt(); + length = this.readInt(); + this.getToken(); // read in 'RD' or '-|' + data = stream.makeSubStream(stream.pos, length); + lenIV = program.properties.privateData['lenIV']; + encoded = decrypt(data.getBytes(), CHAR_STRS_ENCRYPT_KEY, lenIV); + // Skip past the required space and binary data. + stream.skip(length); + this.nextChar(); + token = this.getToken(); // read in 'NP' or '|' + if (token === 'noaccess') { + this.getToken(); // read in 'put' + } + subrs[index] = encoded; + } + break; + case 'BlueValues': + case 'OtherBlues': + case 'FamilyBlues': + case 'FamilyOtherBlues': + var blueArray = this.readNumberArray(); + // *Blue* values may contain invalid data: disables reading of + // those values when hinting is disabled. + if (blueArray.length > 0 && (blueArray.length % 2) === 0 && + HINTING_ENABLED) { + program.properties.privateData[token] = blueArray; + } + break; + case 'StemSnapH': + case 'StemSnapV': + program.properties.privateData[token] = this.readNumberArray(); + break; + case 'StdHW': + case 'StdVW': + program.properties.privateData[token] = + this.readNumberArray()[0]; + break; + case 'BlueShift': + case 'lenIV': + case 'BlueFuzz': + case 'BlueScale': + case 'LanguageGroup': + case 'ExpansionFactor': + program.properties.privateData[token] = this.readNumber(); + break; + case 'ForceBold': + program.properties.privateData[token] = this.readBoolean(); + break; + } + } + + for (var i = 0; i < charstrings.length; i++) { + glyph = charstrings[i].glyph; + encoded = charstrings[i].encoded; + var charString = new Type1CharString(); + var error = charString.convert(encoded, subrs, + this.seacAnalysisEnabled); + var output = charString.output; + if (error) { + // It seems when FreeType encounters an error while evaluating a glyph + // that it completely ignores the glyph so we'll mimic that behaviour + // here and put an endchar to make the validator happy. + output = [14]; + } + program.charstrings.push({ + glyphName: glyph, + charstring: output, + width: charString.width, + lsb: charString.lsb, + seac: charString.seac + }); + } + + return program; + }, + + extractFontHeader: function Type1Parser_extractFontHeader(properties) { + var token; + while ((token = this.getToken()) !== null) { + if (token !== '/') { + continue; + } + token = this.getToken(); + switch (token) { + case 'FontMatrix': + var matrix = this.readNumberArray(); + properties.fontMatrix = matrix; + break; + case 'Encoding': + var encodingArg = this.getToken(); + var encoding; + if (!/^\d+$/.test(encodingArg)) { + // encoding name is specified + encoding = getEncoding(encodingArg); + } else { + encoding = []; + var size = parseInt(encodingArg, 10) | 0; + this.getToken(); // read in 'array' + + for (var j = 0; j < size; j++) { + token = this.getToken(); + // skipping till first dup or def (e.g. ignoring for statement) + while (token !== 'dup' && token !== 'def') { + token = this.getToken(); + if (token === null) { + return; // invalid header + } + } + if (token === 'def') { + break; // read all array data + } + var index = this.readInt(); + this.getToken(); // read in '/' + var glyph = this.getToken(); + encoding[index] = glyph; + this.getToken(); // read the in 'put' + } + } + properties.builtInEncoding = encoding; + break; + case 'FontBBox': + var fontBBox = this.readNumberArray(); + // adjusting ascent/descent + properties.ascent = fontBBox[3]; + properties.descent = fontBBox[1]; + properties.ascentScaled = true; + break; + } + } + } + }; + + return Type1Parser; +})(); + +exports.Type1Parser = Type1Parser; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreCMap = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser) { + +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var warn = sharedUtil.warn; +var error = sharedUtil.error; +var isInt = sharedUtil.isInt; +var isString = sharedUtil.isString; +var MissingDataException = sharedUtil.MissingDataException; +var isName = corePrimitives.isName; +var isCmd = corePrimitives.isCmd; +var isStream = corePrimitives.isStream; +var StringStream = coreStream.StringStream; +var Lexer = coreParser.Lexer; +var isEOF = coreParser.isEOF; + +var BUILT_IN_CMAPS = [ +// << Start unicode maps. +'Adobe-GB1-UCS2', +'Adobe-CNS1-UCS2', +'Adobe-Japan1-UCS2', +'Adobe-Korea1-UCS2', +// >> End unicode maps. +'78-EUC-H', +'78-EUC-V', +'78-H', +'78-RKSJ-H', +'78-RKSJ-V', +'78-V', +'78ms-RKSJ-H', +'78ms-RKSJ-V', +'83pv-RKSJ-H', +'90ms-RKSJ-H', +'90ms-RKSJ-V', +'90msp-RKSJ-H', +'90msp-RKSJ-V', +'90pv-RKSJ-H', +'90pv-RKSJ-V', +'Add-H', +'Add-RKSJ-H', +'Add-RKSJ-V', +'Add-V', +'Adobe-CNS1-0', +'Adobe-CNS1-1', +'Adobe-CNS1-2', +'Adobe-CNS1-3', +'Adobe-CNS1-4', +'Adobe-CNS1-5', +'Adobe-CNS1-6', +'Adobe-GB1-0', +'Adobe-GB1-1', +'Adobe-GB1-2', +'Adobe-GB1-3', +'Adobe-GB1-4', +'Adobe-GB1-5', +'Adobe-Japan1-0', +'Adobe-Japan1-1', +'Adobe-Japan1-2', +'Adobe-Japan1-3', +'Adobe-Japan1-4', +'Adobe-Japan1-5', +'Adobe-Japan1-6', +'Adobe-Korea1-0', +'Adobe-Korea1-1', +'Adobe-Korea1-2', +'B5-H', +'B5-V', +'B5pc-H', +'B5pc-V', +'CNS-EUC-H', +'CNS-EUC-V', +'CNS1-H', +'CNS1-V', +'CNS2-H', +'CNS2-V', +'ETHK-B5-H', +'ETHK-B5-V', +'ETen-B5-H', +'ETen-B5-V', +'ETenms-B5-H', +'ETenms-B5-V', +'EUC-H', +'EUC-V', +'Ext-H', +'Ext-RKSJ-H', +'Ext-RKSJ-V', +'Ext-V', +'GB-EUC-H', +'GB-EUC-V', +'GB-H', +'GB-V', +'GBK-EUC-H', +'GBK-EUC-V', +'GBK2K-H', +'GBK2K-V', +'GBKp-EUC-H', +'GBKp-EUC-V', +'GBT-EUC-H', +'GBT-EUC-V', +'GBT-H', +'GBT-V', +'GBTpc-EUC-H', +'GBTpc-EUC-V', +'GBpc-EUC-H', +'GBpc-EUC-V', +'H', +'HKdla-B5-H', +'HKdla-B5-V', +'HKdlb-B5-H', +'HKdlb-B5-V', +'HKgccs-B5-H', +'HKgccs-B5-V', +'HKm314-B5-H', +'HKm314-B5-V', +'HKm471-B5-H', +'HKm471-B5-V', +'HKscs-B5-H', +'HKscs-B5-V', +'Hankaku', +'Hiragana', +'KSC-EUC-H', +'KSC-EUC-V', +'KSC-H', +'KSC-Johab-H', +'KSC-Johab-V', +'KSC-V', +'KSCms-UHC-H', +'KSCms-UHC-HW-H', +'KSCms-UHC-HW-V', +'KSCms-UHC-V', +'KSCpc-EUC-H', +'KSCpc-EUC-V', +'Katakana', +'NWP-H', +'NWP-V', +'RKSJ-H', +'RKSJ-V', +'Roman', +'UniCNS-UCS2-H', +'UniCNS-UCS2-V', +'UniCNS-UTF16-H', +'UniCNS-UTF16-V', +'UniCNS-UTF32-H', +'UniCNS-UTF32-V', +'UniCNS-UTF8-H', +'UniCNS-UTF8-V', +'UniGB-UCS2-H', +'UniGB-UCS2-V', +'UniGB-UTF16-H', +'UniGB-UTF16-V', +'UniGB-UTF32-H', +'UniGB-UTF32-V', +'UniGB-UTF8-H', +'UniGB-UTF8-V', +'UniJIS-UCS2-H', +'UniJIS-UCS2-HW-H', +'UniJIS-UCS2-HW-V', +'UniJIS-UCS2-V', +'UniJIS-UTF16-H', +'UniJIS-UTF16-V', +'UniJIS-UTF32-H', +'UniJIS-UTF32-V', +'UniJIS-UTF8-H', +'UniJIS-UTF8-V', +'UniJIS2004-UTF16-H', +'UniJIS2004-UTF16-V', +'UniJIS2004-UTF32-H', +'UniJIS2004-UTF32-V', +'UniJIS2004-UTF8-H', +'UniJIS2004-UTF8-V', +'UniJISPro-UCS2-HW-V', +'UniJISPro-UCS2-V', +'UniJISPro-UTF8-V', +'UniJISX0213-UTF32-H', +'UniJISX0213-UTF32-V', +'UniJISX02132004-UTF32-H', +'UniJISX02132004-UTF32-V', +'UniKS-UCS2-H', +'UniKS-UCS2-V', +'UniKS-UTF16-H', +'UniKS-UTF16-V', +'UniKS-UTF32-H', +'UniKS-UTF32-V', +'UniKS-UTF8-H', +'UniKS-UTF8-V', +'V', +'WP-Symbol']; + +// CMap, not to be confused with TrueType's cmap. +var CMap = (function CMapClosure() { + function CMap(builtInCMap) { + // Codespace ranges are stored as follows: + // [[1BytePairs], [2BytePairs], [3BytePairs], [4BytePairs]] + // where nBytePairs are ranges e.g. [low1, high1, low2, high2, ...] + this.codespaceRanges = [[], [], [], []]; + this.numCodespaceRanges = 0; + // Map entries have one of two forms. + // - cid chars are 16-bit unsigned integers, stored as integers. + // - bf chars are variable-length byte sequences, stored as strings, with + // one byte per character. + this._map = []; + this.name = ''; + this.vertical = false; + this.useCMap = null; + this.builtInCMap = builtInCMap; + } + CMap.prototype = { + addCodespaceRange: function(n, low, high) { + this.codespaceRanges[n - 1].push(low, high); + this.numCodespaceRanges++; + }, + + mapCidRange: function(low, high, dstLow) { + while (low <= high) { + this._map[low++] = dstLow++; + } + }, + + mapBfRange: function(low, high, dstLow) { + var lastByte = dstLow.length - 1; + while (low <= high) { + this._map[low++] = dstLow; + // Only the last byte has to be incremented. + dstLow = dstLow.substr(0, lastByte) + + String.fromCharCode(dstLow.charCodeAt(lastByte) + 1); + } + }, + + mapBfRangeToArray: function(low, high, array) { + var i = 0, ii = array.length; + while (low <= high && i < ii) { + this._map[low] = array[i++]; + ++low; + } + }, + + // This is used for both bf and cid chars. + mapOne: function(src, dst) { + this._map[src] = dst; + }, + + lookup: function(code) { + return this._map[code]; + }, + + contains: function(code) { + return this._map[code] !== undefined; + }, + + forEach: function(callback) { + // Most maps have fewer than 65536 entries, and for those we use normal + // array iteration. But really sparse tables are possible -- e.g. with + // indices in the *billions*. For such tables we use for..in, which isn't + // ideal because it stringifies the indices for all present elements, but + // it does avoid iterating over every undefined entry. + var map = this._map; + var length = map.length; + var i; + if (length <= 0x10000) { + for (i = 0; i < length; i++) { + if (map[i] !== undefined) { + callback(i, map[i]); + } + } + } else { + for (i in this._map) { + callback(i, map[i]); + } + } + }, + + charCodeOf: function(value) { + return this._map.indexOf(value); + }, + + getMap: function() { + return this._map; + }, + + readCharCode: function(str, offset, out) { + var c = 0; + var codespaceRanges = this.codespaceRanges; + var codespaceRangesLen = this.codespaceRanges.length; + // 9.7.6.2 CMap Mapping + // The code length is at most 4. + for (var n = 0; n < codespaceRangesLen; n++) { + c = ((c << 8) | str.charCodeAt(offset + n)) >>> 0; + // Check each codespace range to see if it falls within. + var codespaceRange = codespaceRanges[n]; + for (var k = 0, kk = codespaceRange.length; k < kk;) { + var low = codespaceRange[k++]; + var high = codespaceRange[k++]; + if (c >= low && c <= high) { + out.charcode = c; + out.length = n + 1; + return; + } + } + } + out.charcode = 0; + out.length = 1; + }, + + get length() { + return this._map.length; + }, + + get isIdentityCMap() { + if (!(this.name === 'Identity-H' || this.name === 'Identity-V')) { + return false; + } + if (this._map.length !== 0x10000) { + return false; + } + for (var i = 0; i < 0x10000; i++) { + if (this._map[i] !== i) { + return false; + } + } + return true; + } + }; + return CMap; +})(); + +// A special case of CMap, where the _map array implicitly has a length of +// 65536 and each element is equal to its index. +var IdentityCMap = (function IdentityCMapClosure() { + function IdentityCMap(vertical, n) { + CMap.call(this); + this.vertical = vertical; + this.addCodespaceRange(n, 0, 0xffff); + } + Util.inherit(IdentityCMap, CMap, {}); + + IdentityCMap.prototype = { + addCodespaceRange: CMap.prototype.addCodespaceRange, + + mapCidRange: function(low, high, dstLow) { + error('should not call mapCidRange'); + }, + + mapBfRange: function(low, high, dstLow) { + error('should not call mapBfRange'); + }, + + mapBfRangeToArray: function(low, high, array) { + error('should not call mapBfRangeToArray'); + }, + + mapOne: function(src, dst) { + error('should not call mapCidOne'); + }, + + lookup: function(code) { + return (isInt(code) && code <= 0xffff) ? code : undefined; + }, + + contains: function(code) { + return isInt(code) && code <= 0xffff; + }, + + forEach: function(callback) { + for (var i = 0; i <= 0xffff; i++) { + callback(i, i); + } + }, + + charCodeOf: function(value) { + return (isInt(value) && value <= 0xffff) ? value : -1; + }, + + getMap: function() { + // Sometimes identity maps must be instantiated, but it's rare. + var map = new Array(0x10000); + for (var i = 0; i <= 0xffff; i++) { + map[i] = i; + } + return map; + }, + + readCharCode: CMap.prototype.readCharCode, + + get length() { + return 0x10000; + }, + + get isIdentityCMap() { + error('should not access .isIdentityCMap'); + } + }; + + return IdentityCMap; +})(); + +var BinaryCMapReader = (function BinaryCMapReaderClosure() { + function fetchBinaryData(url) { + return new Promise(function (resolve, reject) { + var request = new XMLHttpRequest(); + request.open('GET', url, true); + request.responseType = 'arraybuffer'; + request.onreadystatechange = function () { + if (request.readyState === XMLHttpRequest.DONE) { + if (!request.response || request.status !== 200 && + request.status !== 0) { + reject(new Error('Unable to get binary cMap at: ' + url)); + } else { + resolve(new Uint8Array(request.response)); + } + } + }; + request.send(null); + }); + } + + function hexToInt(a, size) { + var n = 0; + for (var i = 0; i <= size; i++) { + n = (n << 8) | a[i]; + } + return n >>> 0; + } + + function hexToStr(a, size) { + // This code is hot. Special-case some common values to avoid creating an + // object with subarray(). + if (size === 1) { + return String.fromCharCode(a[0], a[1]); + } + if (size === 3) { + return String.fromCharCode(a[0], a[1], a[2], a[3]); + } + return String.fromCharCode.apply(null, a.subarray(0, size + 1)); + } + + function addHex(a, b, size) { + var c = 0; + for (var i = size; i >= 0; i--) { + c += a[i] + b[i]; + a[i] = c & 255; + c >>= 8; + } + } + + function incHex(a, size) { + var c = 1; + for (var i = size; i >= 0 && c > 0; i--) { + c += a[i]; + a[i] = c & 255; + c >>= 8; + } + } + + var MAX_NUM_SIZE = 16; + var MAX_ENCODED_NUM_SIZE = 19; // ceil(MAX_NUM_SIZE * 7 / 8) + + function BinaryCMapStream(data) { + this.buffer = data; + this.pos = 0; + this.end = data.length; + this.tmpBuf = new Uint8Array(MAX_ENCODED_NUM_SIZE); + } + + BinaryCMapStream.prototype = { + readByte: function () { + if (this.pos >= this.end) { + return -1; + } + return this.buffer[this.pos++]; + }, + readNumber: function () { + var n = 0; + var last; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + n = (n << 7) | (b & 0x7F); + } while (!last); + return n; + }, + readSigned: function () { + var n = this.readNumber(); + return (n & 1) ? ~(n >>> 1) : n >>> 1; + }, + readHex: function (num, size) { + num.set(this.buffer.subarray(this.pos, + this.pos + size + 1)); + this.pos += size + 1; + }, + readHexNumber: function (num, size) { + var last; + var stack = this.tmpBuf, sp = 0; + do { + var b = this.readByte(); + if (b < 0) { + error('unexpected EOF in bcmap'); + } + last = !(b & 0x80); + stack[sp++] = b & 0x7F; + } while (!last); + var i = size, buffer = 0, bufferSize = 0; + while (i >= 0) { + while (bufferSize < 8 && stack.length > 0) { + buffer = (stack[--sp] << bufferSize) | buffer; + bufferSize += 7; + } + num[i] = buffer & 255; + i--; + buffer >>= 8; + bufferSize -= 8; + } + }, + readHexSigned: function (num, size) { + this.readHexNumber(num, size); + var sign = num[size] & 1 ? 255 : 0; + var c = 0; + for (var i = 0; i <= size; i++) { + c = ((c & 1) << 8) | num[i]; + num[i] = (c >> 1) ^ sign; + } + }, + readString: function () { + var len = this.readNumber(); + var s = ''; + for (var i = 0; i < len; i++) { + s += String.fromCharCode(this.readNumber()); + } + return s; + } + }; + + function processBinaryCMap(url, cMap, extend) { + return fetchBinaryData(url).then(function (data) { + var stream = new BinaryCMapStream(data); + var header = stream.readByte(); + cMap.vertical = !!(header & 1); + + var useCMap = null; + var start = new Uint8Array(MAX_NUM_SIZE); + var end = new Uint8Array(MAX_NUM_SIZE); + var char = new Uint8Array(MAX_NUM_SIZE); + var charCode = new Uint8Array(MAX_NUM_SIZE); + var tmp = new Uint8Array(MAX_NUM_SIZE); + var code; + + var b; + while ((b = stream.readByte()) >= 0) { + var type = b >> 5; + if (type === 7) { // metadata, e.g. comment or usecmap + switch (b & 0x1F) { + case 0: + stream.readString(); // skipping comment + break; + case 1: + useCMap = stream.readString(); + break; + } + continue; + } + var sequence = !!(b & 0x10); + var dataSize = b & 15; + + assert(dataSize + 1 <= MAX_NUM_SIZE); + + var ucs2DataSize = 1; + var subitemsCount = stream.readNumber(); + var i; + switch (type) { + case 0: // codespacerange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), + hexToInt(end, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + cMap.addCodespaceRange(dataSize + 1, hexToInt(start, dataSize), + hexToInt(end, dataSize)); + } + break; + case 1: // notdefrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + // undefined range, skipping + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + // nop + } + break; + case 2: // cidchar + stream.readHex(char, dataSize); + code = stream.readNumber(); + cMap.mapOne(hexToInt(char, dataSize), code); + for (i = 1; i < subitemsCount; i++) { + incHex(char, dataSize); + if (!sequence) { + stream.readHexNumber(tmp, dataSize); + addHex(char, tmp, dataSize); + } + code = stream.readSigned() + (code + 1); + cMap.mapOne(hexToInt(char, dataSize), code); + } + break; + case 3: // cidrange + stream.readHex(start, dataSize); + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), hexToInt(end, dataSize), + code); + for (i = 1; i < subitemsCount; i++) { + incHex(end, dataSize); + if (!sequence) { + stream.readHexNumber(start, dataSize); + addHex(start, end, dataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, dataSize); + addHex(end, start, dataSize); + code = stream.readNumber(); + cMap.mapCidRange(hexToInt(start, dataSize), + hexToInt(end, dataSize), code); + } + break; + case 4: // bfchar + stream.readHex(char, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), + hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(char, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(tmp, ucs2DataSize); + addHex(char, tmp, ucs2DataSize); + } + incHex(charCode, dataSize); + stream.readHexSigned(tmp, dataSize); + addHex(charCode, tmp, dataSize); + cMap.mapOne(hexToInt(char, ucs2DataSize), + hexToStr(charCode, dataSize)); + } + break; + case 5: // bfrange + stream.readHex(start, ucs2DataSize); + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), + hexToInt(end, ucs2DataSize), + hexToStr(charCode, dataSize)); + for (i = 1; i < subitemsCount; i++) { + incHex(end, ucs2DataSize); + if (!sequence) { + stream.readHexNumber(start, ucs2DataSize); + addHex(start, end, ucs2DataSize); + } else { + start.set(end); + } + stream.readHexNumber(end, ucs2DataSize); + addHex(end, start, ucs2DataSize); + stream.readHex(charCode, dataSize); + cMap.mapBfRange(hexToInt(start, ucs2DataSize), + hexToInt(end, ucs2DataSize), + hexToStr(charCode, dataSize)); + } + break; + default: + error('Unknown type: ' + type); + break; + } + } + + if (useCMap) { + return extend(useCMap); + } + return cMap; + }); + } + + function BinaryCMapReader() {} + + BinaryCMapReader.prototype = { + read: processBinaryCMap + }; + + return BinaryCMapReader; +})(); + +var CMapFactory = (function CMapFactoryClosure() { + function strToInt(str) { + var a = 0; + for (var i = 0; i < str.length; i++) { + a = (a << 8) | str.charCodeAt(i); + } + return a >>> 0; + } + + function expectString(obj) { + if (!isString(obj)) { + error('Malformed CMap: expected string.'); + } + } + + function expectInt(obj) { + if (!isInt(obj)) { + error('Malformed CMap: expected int.'); + } + } + + function parseBfChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + // TODO are /dstName used? + expectString(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + + function parseBfRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endbfrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + if (isInt(obj) || isString(obj)) { + var dstLow = isInt(obj) ? String.fromCharCode(obj) : obj; + cMap.mapBfRange(low, high, dstLow); + } else if (isCmd(obj, '[')) { + obj = lexer.getObj(); + var array = []; + while (!isCmd(obj, ']') && !isEOF(obj)) { + array.push(obj); + obj = lexer.getObj(); + } + cMap.mapBfRangeToArray(low, high, array); + } else { + break; + } + } + error('Invalid bf range.'); + } + + function parseCidChar(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidchar')) { + return; + } + expectString(obj); + var src = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dst = obj; + cMap.mapOne(src, dst); + } + } + + function parseCidRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcidrange')) { + return; + } + expectString(obj); + var low = strToInt(obj); + obj = lexer.getObj(); + expectString(obj); + var high = strToInt(obj); + obj = lexer.getObj(); + expectInt(obj); + var dstLow = obj; + cMap.mapCidRange(low, high, dstLow); + } + } + + function parseCodespaceRange(cMap, lexer) { + while (true) { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } + if (isCmd(obj, 'endcodespacerange')) { + return; + } + if (!isString(obj)) { + break; + } + var low = strToInt(obj); + obj = lexer.getObj(); + if (!isString(obj)) { + break; + } + var high = strToInt(obj); + cMap.addCodespaceRange(obj.length, low, high); + } + error('Invalid codespace range.'); + } + + function parseWMode(cMap, lexer) { + var obj = lexer.getObj(); + if (isInt(obj)) { + cMap.vertical = !!obj; + } + } + + function parseCMapName(cMap, lexer) { + var obj = lexer.getObj(); + if (isName(obj) && isString(obj.name)) { + cMap.name = obj.name; + } + } + + function parseCMap(cMap, lexer, builtInCMapParams, useCMap) { + var previous; + var embededUseCMap; + objLoop: while (true) { + try { + var obj = lexer.getObj(); + if (isEOF(obj)) { + break; + } else if (isName(obj)) { + if (obj.name === 'WMode') { + parseWMode(cMap, lexer); + } else if (obj.name === 'CMapName') { + parseCMapName(cMap, lexer); + } + previous = obj; + } else if (isCmd(obj)) { + switch (obj.cmd) { + case 'endcmap': + break objLoop; + case 'usecmap': + if (isName(previous)) { + embededUseCMap = previous.name; + } + break; + case 'begincodespacerange': + parseCodespaceRange(cMap, lexer); + break; + case 'beginbfchar': + parseBfChar(cMap, lexer); + break; + case 'begincidchar': + parseCidChar(cMap, lexer); + break; + case 'beginbfrange': + parseBfRange(cMap, lexer); + break; + case 'begincidrange': + parseCidRange(cMap, lexer); + break; + } + } + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Invalid cMap data: ' + ex); + continue; + } + } + + if (!useCMap && embededUseCMap) { + // Load the usecmap definition from the file only if there wasn't one + // specified. + useCMap = embededUseCMap; + } + if (useCMap) { + return extendCMap(cMap, builtInCMapParams, useCMap); + } + return Promise.resolve(cMap); + } + + function extendCMap(cMap, builtInCMapParams, useCMap) { + return createBuiltInCMap(useCMap, builtInCMapParams).then( + function(newCMap) { + cMap.useCMap = newCMap; + // If there aren't any code space ranges defined clone all the parent ones + // into this cMap. + if (cMap.numCodespaceRanges === 0) { + var useCodespaceRanges = cMap.useCMap.codespaceRanges; + for (var i = 0; i < useCodespaceRanges.length; i++) { + cMap.codespaceRanges[i] = useCodespaceRanges[i].slice(); + } + cMap.numCodespaceRanges = cMap.useCMap.numCodespaceRanges; + } + // Merge the map into the current one, making sure not to override + // any previously defined entries. + cMap.useCMap.forEach(function(key, value) { + if (!cMap.contains(key)) { + cMap.mapOne(key, cMap.useCMap.lookup(key)); + } + }); + + return cMap; + }); + } + + function parseBinaryCMap(name, builtInCMapParams) { + var url = builtInCMapParams.url + name + '.bcmap'; + var cMap = new CMap(true); + return new BinaryCMapReader().read(url, cMap, function (useCMap) { + return extendCMap(cMap, builtInCMapParams, useCMap); + }); + } + + function createBuiltInCMap(name, builtInCMapParams) { + if (name === 'Identity-H') { + return Promise.resolve(new IdentityCMap(false, 2)); + } else if (name === 'Identity-V') { + return Promise.resolve(new IdentityCMap(true, 2)); + } + if (BUILT_IN_CMAPS.indexOf(name) === -1) { + return Promise.reject(new Error('Unknown cMap name: ' + name)); + } + assert(builtInCMapParams, 'built-in cMap parameters are not provided'); + + if (builtInCMapParams.packed) { + return parseBinaryCMap(name, builtInCMapParams); + } + + return new Promise(function (resolve, reject) { + var url = builtInCMapParams.url + name; + var request = new XMLHttpRequest(); + request.onreadystatechange = function () { + if (request.readyState === XMLHttpRequest.DONE) { + if (request.status === 200 || request.status === 0) { + var cMap = new CMap(true); + var lexer = new Lexer(new StringStream(request.responseText)); + parseCMap(cMap, lexer, builtInCMapParams, null).then( + function (parsedCMap) { + resolve(parsedCMap); + }); + } else { + reject(new Error('Unable to get cMap at: ' + url)); + } + } + }; + request.open('GET', url, true); + request.send(null); + }); + } + + return { + create: function (encoding, builtInCMapParams, useCMap) { + if (isName(encoding)) { + return createBuiltInCMap(encoding.name, builtInCMapParams); + } else if (isStream(encoding)) { + var cMap = new CMap(); + var lexer = new Lexer(encoding); + return parseCMap(cMap, lexer, builtInCMapParams, useCMap).then( + function (parsedCMap) { + if (parsedCMap.isIdentityCMap) { + return createBuiltInCMap(parsedCMap.name, builtInCMapParams); + } + return parsedCMap; + }); + } + return Promise.reject(new Error('Encoding required.')); + } + }; +})(); + +exports.CMap = CMap; +exports.CMapFactory = CMapFactory; +exports.IdentityCMap = IdentityCMap; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreFonts = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreGlyphList, + root.pdfjsCoreFontRenderer, root.pdfjsCoreEncodings, + root.pdfjsCoreStandardFonts, root.pdfjsCoreUnicode, + root.pdfjsCoreType1Parser, root.pdfjsCoreCFFParser); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, + coreGlyphList, coreFontRenderer, coreEncodings, + coreStandardFonts, coreUnicode, coreType1Parser, + coreCFFParser) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var FontType = sharedUtil.FontType; +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isNum = sharedUtil.isNum; +var readUint32 = sharedUtil.readUint32; +var shadow = sharedUtil.shadow; +var string32 = sharedUtil.string32; +var warn = sharedUtil.warn; +var MissingDataException = sharedUtil.MissingDataException; +var isSpace = sharedUtil.isSpace; +var Stream = coreStream.Stream; +var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; +var getDingbatsGlyphsUnicode = coreGlyphList.getDingbatsGlyphsUnicode; +var FontRendererFactory = coreFontRenderer.FontRendererFactory; +var StandardEncoding = coreEncodings.StandardEncoding; +var MacRomanEncoding = coreEncodings.MacRomanEncoding; +var SymbolSetEncoding = coreEncodings.SymbolSetEncoding; +var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding; +var getEncoding = coreEncodings.getEncoding; +var getStdFontMap = coreStandardFonts.getStdFontMap; +var getNonStdFontMap = coreStandardFonts.getNonStdFontMap; +var getGlyphMapForStandardFonts = coreStandardFonts.getGlyphMapForStandardFonts; +var getSupplementalGlyphMapForArialBlack = + coreStandardFonts.getSupplementalGlyphMapForArialBlack; +var getUnicodeRangeFor = coreUnicode.getUnicodeRangeFor; +var mapSpecialUnicodeValues = coreUnicode.mapSpecialUnicodeValues; +var getUnicodeForGlyph = coreUnicode.getUnicodeForGlyph; +var Type1Parser = coreType1Parser.Type1Parser; +var CFFStandardStrings = coreCFFParser.CFFStandardStrings; +var CFFParser = coreCFFParser.CFFParser; +var CFFCompiler = coreCFFParser.CFFCompiler; +var CFF = coreCFFParser.CFF; +var CFFHeader = coreCFFParser.CFFHeader; +var CFFTopDict = coreCFFParser.CFFTopDict; +var CFFPrivateDict = coreCFFParser.CFFPrivateDict; +var CFFStrings = coreCFFParser.CFFStrings; +var CFFIndex = coreCFFParser.CFFIndex; +var CFFCharset = coreCFFParser.CFFCharset; + +// Unicode Private Use Area +var PRIVATE_USE_OFFSET_START = 0xE000; +var PRIVATE_USE_OFFSET_END = 0xF8FF; +var SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = false; + +// PDF Glyph Space Units are one Thousandth of a TextSpace Unit +// except for Type 3 fonts +var PDF_GLYPH_SPACE_UNITS = 1000; + +// Accented charactars are not displayed properly on Windows, using this flag +// to control analysis of seac charstrings. +var SEAC_ANALYSIS_ENABLED = false; + +var FontFlags = { + FixedPitch: 1, + Serif: 2, + Symbolic: 4, + Script: 8, + Nonsymbolic: 32, + Italic: 64, + AllCap: 65536, + SmallCap: 131072, + ForceBold: 262144 +}; + +var MacStandardGlyphOrdering = [ + '.notdef', '.null', 'nonmarkingreturn', 'space', 'exclam', 'quotedbl', + 'numbersign', 'dollar', 'percent', 'ampersand', 'quotesingle', 'parenleft', + 'parenright', 'asterisk', 'plus', 'comma', 'hyphen', 'period', 'slash', + 'zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', + 'nine', 'colon', 'semicolon', 'less', 'equal', 'greater', 'question', 'at', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', + 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'bracketleft', + 'backslash', 'bracketright', 'asciicircum', 'underscore', 'grave', 'a', 'b', + 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', + 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'braceleft', 'bar', 'braceright', + 'asciitilde', 'Adieresis', 'Aring', 'Ccedilla', 'Eacute', 'Ntilde', + 'Odieresis', 'Udieresis', 'aacute', 'agrave', 'acircumflex', 'adieresis', + 'atilde', 'aring', 'ccedilla', 'eacute', 'egrave', 'ecircumflex', 'edieresis', + 'iacute', 'igrave', 'icircumflex', 'idieresis', 'ntilde', 'oacute', 'ograve', + 'ocircumflex', 'odieresis', 'otilde', 'uacute', 'ugrave', 'ucircumflex', + 'udieresis', 'dagger', 'degree', 'cent', 'sterling', 'section', 'bullet', + 'paragraph', 'germandbls', 'registered', 'copyright', 'trademark', 'acute', + 'dieresis', 'notequal', 'AE', 'Oslash', 'infinity', 'plusminus', 'lessequal', + 'greaterequal', 'yen', 'mu', 'partialdiff', 'summation', 'product', 'pi', + 'integral', 'ordfeminine', 'ordmasculine', 'Omega', 'ae', 'oslash', + 'questiondown', 'exclamdown', 'logicalnot', 'radical', 'florin', + 'approxequal', 'Delta', 'guillemotleft', 'guillemotright', 'ellipsis', + 'nonbreakingspace', 'Agrave', 'Atilde', 'Otilde', 'OE', 'oe', 'endash', + 'emdash', 'quotedblleft', 'quotedblright', 'quoteleft', 'quoteright', + 'divide', 'lozenge', 'ydieresis', 'Ydieresis', 'fraction', 'currency', + 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'daggerdbl', 'periodcentered', + 'quotesinglbase', 'quotedblbase', 'perthousand', 'Acircumflex', + 'Ecircumflex', 'Aacute', 'Edieresis', 'Egrave', 'Iacute', 'Icircumflex', + 'Idieresis', 'Igrave', 'Oacute', 'Ocircumflex', 'apple', 'Ograve', 'Uacute', + 'Ucircumflex', 'Ugrave', 'dotlessi', 'circumflex', 'tilde', 'macron', + 'breve', 'dotaccent', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', + 'Lslash', 'lslash', 'Scaron', 'scaron', 'Zcaron', 'zcaron', 'brokenbar', + 'Eth', 'eth', 'Yacute', 'yacute', 'Thorn', 'thorn', 'minus', 'multiply', + 'onesuperior', 'twosuperior', 'threesuperior', 'onehalf', 'onequarter', + 'threequarters', 'franc', 'Gbreve', 'gbreve', 'Idotaccent', 'Scedilla', + 'scedilla', 'Cacute', 'cacute', 'Ccaron', 'ccaron', 'dcroat']; + +function adjustWidths(properties) { + if (!properties.fontMatrix) { + return; + } + if (properties.fontMatrix[0] === FONT_IDENTITY_MATRIX[0]) { + return; + } + // adjusting width to fontMatrix scale + var scale = 0.001 / properties.fontMatrix[0]; + var glyphsWidths = properties.widths; + for (var glyph in glyphsWidths) { + glyphsWidths[glyph] *= scale; + } + properties.defaultWidth *= scale; +} + +function adjustToUnicode(properties, builtInEncoding) { + if (properties.hasIncludedToUnicodeMap) { + return; // The font dictionary has a `ToUnicode` entry. + } + if (properties.hasEncoding) { + return; // The font dictionary has an `Encoding` entry. + } + if (builtInEncoding === properties.defaultEncoding) { + return; // No point in trying to adjust `toUnicode` if the encodings match. + } + if (properties.toUnicode instanceof IdentityToUnicodeMap) { + return; + } + var toUnicode = [], glyphsUnicodeMap = getGlyphsUnicode(); + for (var charCode in builtInEncoding) { + var glyphName = builtInEncoding[charCode]; + var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + toUnicode[charCode] = String.fromCharCode(unicode); + } + } + properties.toUnicode.amend(toUnicode); +} + +function getFontType(type, subtype) { + switch (type) { + case 'Type1': + return subtype === 'Type1C' ? FontType.TYPE1C : FontType.TYPE1; + case 'CIDFontType0': + return subtype === 'CIDFontType0C' ? FontType.CIDFONTTYPE0C : + FontType.CIDFONTTYPE0; + case 'OpenType': + return FontType.OPENTYPE; + case 'TrueType': + return FontType.TRUETYPE; + case 'CIDFontType2': + return FontType.CIDFONTTYPE2; + case 'MMType1': + return FontType.MMTYPE1; + case 'Type0': + return FontType.TYPE0; + default: + return FontType.UNKNOWN; + } +} + +// Some bad PDF generators, e.g. Scribus PDF, include glyph names +// in a 'uniXXXX' format -- attempting to recover proper ones. +function recoverGlyphName(name, glyphsUnicodeMap) { + if (glyphsUnicodeMap[name] !== undefined) { + return name; + } + // The glyph name is non-standard, trying to recover. + var unicode = getUnicodeForGlyph(name, glyphsUnicodeMap); + if (unicode !== -1) { + for (var key in glyphsUnicodeMap) { + if (glyphsUnicodeMap[key] === unicode) { + return key; + } + } + } + info('Unable to recover a standard glyph name for: ' + name); + return name; +} + +var Glyph = (function GlyphClosure() { + function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, + isSpace, isInFont) { + this.fontChar = fontChar; + this.unicode = unicode; + this.accent = accent; + this.width = width; + this.vmetric = vmetric; + this.operatorListId = operatorListId; + this.isSpace = isSpace; + this.isInFont = isInFont; + } + + Glyph.prototype.matchesForCache = function(fontChar, unicode, accent, width, + vmetric, operatorListId, isSpace, + isInFont) { + return this.fontChar === fontChar && + this.unicode === unicode && + this.accent === accent && + this.width === width && + this.vmetric === vmetric && + this.operatorListId === operatorListId && + this.isSpace === isSpace && + this.isInFont === isInFont; + }; + + return Glyph; +})(); + +var ToUnicodeMap = (function ToUnicodeMapClosure() { + function ToUnicodeMap(cmap) { + // The elements of this._map can be integers or strings, depending on how + // |cmap| was created. + this._map = cmap; + } + + ToUnicodeMap.prototype = { + get length() { + return this._map.length; + }, + + forEach: function(callback) { + for (var charCode in this._map) { + callback(charCode, this._map[charCode].charCodeAt(0)); + } + }, + + has: function(i) { + return this._map[i] !== undefined; + }, + + get: function(i) { + return this._map[i]; + }, + + charCodeOf: function(v) { + return this._map.indexOf(v); + }, + + amend: function (map) { + for (var charCode in map) { + this._map[charCode] = map[charCode]; + } + }, + }; + + return ToUnicodeMap; +})(); + +var IdentityToUnicodeMap = (function IdentityToUnicodeMapClosure() { + function IdentityToUnicodeMap(firstChar, lastChar) { + this.firstChar = firstChar; + this.lastChar = lastChar; + } + + IdentityToUnicodeMap.prototype = { + get length() { + return (this.lastChar + 1) - this.firstChar; + }, + + forEach: function (callback) { + for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) { + callback(i, i); + } + }, + + has: function (i) { + return this.firstChar <= i && i <= this.lastChar; + }, + + get: function (i) { + if (this.firstChar <= i && i <= this.lastChar) { + return String.fromCharCode(i); + } + return undefined; + }, + + charCodeOf: function (v) { + return (isInt(v) && v >= this.firstChar && v <= this.lastChar) ? v : -1; + }, + + amend: function (map) { + error('Should not call amend()'); + }, + }; + + return IdentityToUnicodeMap; +})(); + +var OpenTypeFileBuilder = (function OpenTypeFileBuilderClosure() { + function writeInt16(dest, offset, num) { + dest[offset] = (num >> 8) & 0xFF; + dest[offset + 1] = num & 0xFF; + } + + function writeInt32(dest, offset, num) { + dest[offset] = (num >> 24) & 0xFF; + dest[offset + 1] = (num >> 16) & 0xFF; + dest[offset + 2] = (num >> 8) & 0xFF; + dest[offset + 3] = num & 0xFF; + } + + function writeData(dest, offset, data) { + var i, ii; + if (data instanceof Uint8Array) { + dest.set(data, offset); + } else if (typeof data === 'string') { + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data.charCodeAt(i) & 0xFF; + } + } else { + // treating everything else as array + for (i = 0, ii = data.length; i < ii; i++) { + dest[offset++] = data[i] & 0xFF; + } + } + } + + function OpenTypeFileBuilder(sfnt) { + this.sfnt = sfnt; + this.tables = Object.create(null); + } + + OpenTypeFileBuilder.getSearchParams = + function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) { + var maxPower2 = 1, log2 = 0; + while ((maxPower2 ^ entriesCount) > maxPower2) { + maxPower2 <<= 1; + log2++; + } + var searchRange = maxPower2 * entrySize; + return { + range: searchRange, + entry: log2, + rangeShift: entrySize * entriesCount - searchRange + }; + }; + + var OTF_HEADER_SIZE = 12; + var OTF_TABLE_ENTRY_SIZE = 16; + + OpenTypeFileBuilder.prototype = { + toArray: function OpenTypeFileBuilder_toArray() { + var sfnt = this.sfnt; + + // Tables needs to be written by ascendant alphabetic order + var tables = this.tables; + var tablesNames = Object.keys(tables); + tablesNames.sort(); + var numTables = tablesNames.length; + + var i, j, jj, table, tableName; + // layout the tables data + var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE; + var tableOffsets = [offset]; + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + var paddedLength = ((table.length + 3) & ~3) >>> 0; + offset += paddedLength; + tableOffsets.push(offset); + } + + var file = new Uint8Array(offset); + // write the table data first (mostly for checksum) + for (i = 0; i < numTables; i++) { + table = tables[tablesNames[i]]; + writeData(file, tableOffsets[i], table); + } + + // sfnt version (4 bytes) + if (sfnt === 'true') { + // Windows hates the Mac TrueType sfnt version number + sfnt = string32(0x00010000); + } + file[0] = sfnt.charCodeAt(0) & 0xFF; + file[1] = sfnt.charCodeAt(1) & 0xFF; + file[2] = sfnt.charCodeAt(2) & 0xFF; + file[3] = sfnt.charCodeAt(3) & 0xFF; + + // numTables (2 bytes) + writeInt16(file, 4, numTables); + + var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16); + + // searchRange (2 bytes) + writeInt16(file, 6, searchParams.range); + // entrySelector (2 bytes) + writeInt16(file, 8, searchParams.entry); + // rangeShift (2 bytes) + writeInt16(file, 10, searchParams.rangeShift); + + offset = OTF_HEADER_SIZE; + // writing table entries + for (i = 0; i < numTables; i++) { + tableName = tablesNames[i]; + file[offset] = tableName.charCodeAt(0) & 0xFF; + file[offset + 1] = tableName.charCodeAt(1) & 0xFF; + file[offset + 2] = tableName.charCodeAt(2) & 0xFF; + file[offset + 3] = tableName.charCodeAt(3) & 0xFF; + + // checksum + var checksum = 0; + for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) { + var quad = readUint32(file, j); + checksum = (checksum + quad) >>> 0; + } + writeInt32(file, offset + 4, checksum); + + // offset + writeInt32(file, offset + 8, tableOffsets[i]); + // length + writeInt32(file, offset + 12, tables[tableName].length); + + offset += OTF_TABLE_ENTRY_SIZE; + } + return file; + }, + + addTable: function OpenTypeFileBuilder_addTable(tag, data) { + if (tag in this.tables) { + throw new Error('Table ' + tag + ' already exists'); + } + this.tables[tag] = data; + } + }; + + return OpenTypeFileBuilder; +})(); + +// Problematic Unicode characters in the fonts that needs to be moved to avoid +// issues when they are painted on the canvas, e.g. complex-script shaping or +// control/whitespace characters. The ranges are listed in pairs: the first item +// is a code of the first problematic code, the second one is the next +// non-problematic code. The ranges must be in sorted order. +var ProblematicCharRanges = new Int32Array([ + // Control characters. + 0x0000, 0x0020, + 0x007F, 0x00A1, + 0x00AD, 0x00AE, + // Chars that is used in complex-script shaping. + 0x0600, 0x0780, + 0x08A0, 0x10A0, + 0x1780, 0x1800, + 0x1C00, 0x1C50, + // General punctuation chars. + 0x2000, 0x2010, + 0x2011, 0x2012, + 0x2028, 0x2030, + 0x205F, 0x2070, + 0x25CC, 0x25CD, + 0x3000, 0x3001, + // Chars that is used in complex-script shaping. + 0xAA60, 0xAA80, + // Specials Unicode block. + 0xFFF0, 0x10000 +]); + + +/** + * 'Font' is the class the outside world should use, it encapsulate all the font + * decoding logics whatever type it is (assuming the font type is supported). + * + * For example to read a Type1 font and to attach it to the document: + * var type1Font = new Font("MyFontName", binaryFile, propertiesObject); + * type1Font.bind(); + */ +var Font = (function FontClosure() { + function Font(name, file, properties) { + var charCode, glyphName, unicode; + + this.name = name; + this.loadedName = properties.loadedName; + this.isType3Font = properties.isType3Font; + this.sizes = []; + this.missingFile = false; + + this.glyphCache = Object.create(null); + + var names = name.split('+'); + names = names.length > 1 ? names[1] : names[0]; + names = names.split(/[-,_]/g)[0]; + this.isSerifFont = !!(properties.flags & FontFlags.Serif); + this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic); + this.isMonospace = !!(properties.flags & FontFlags.FixedPitch); + + var type = properties.type; + var subtype = properties.subtype; + this.type = type; + + this.fallbackName = (this.isMonospace ? 'monospace' : + (this.isSerifFont ? 'serif' : 'sans-serif')); + + this.differences = properties.differences; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.composite = properties.composite; + this.wideChars = properties.wideChars; + this.cMap = properties.cMap; + this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS; + this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS; + this.fontMatrix = properties.fontMatrix; + this.bbox = properties.bbox; + + this.toUnicode = properties.toUnicode; + + this.toFontChar = []; + + if (properties.type === 'Type3') { + for (charCode = 0; charCode < 256; charCode++) { + this.toFontChar[charCode] = (this.differences[charCode] || + properties.defaultEncoding[charCode]); + } + this.fontType = FontType.TYPE3; + return; + } + + this.cidEncoding = properties.cidEncoding; + this.vertical = properties.vertical; + if (this.vertical) { + this.vmetrics = properties.vmetrics; + this.defaultVMetrics = properties.defaultVMetrics; + } + var glyphsUnicodeMap; + if (!file || file.isEmpty) { + if (file) { + // Some bad PDF generators will include empty font files, + // attempting to recover by assuming that no file exists. + warn('Font file is empty in "' + name + '" (' + this.loadedName + ')'); + } + + this.missingFile = true; + // The file data is not specified. Trying to fix the font name + // to be used with the canvas.font. + var fontName = name.replace(/[,_]/g, '-'); + var stdFontMap = getStdFontMap(), nonStdFontMap = getNonStdFontMap(); + var isStandardFont = !!stdFontMap[fontName] || + !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]); + fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName; + + this.bold = (fontName.search(/bold/gi) !== -1); + this.italic = ((fontName.search(/oblique/gi) !== -1) || + (fontName.search(/italic/gi) !== -1)); + + // Use 'name' instead of 'fontName' here because the original + // name ArialBlack for example will be replaced by Helvetica. + this.black = (name.search(/Black/g) !== -1); + + // if at least one width is present, remeasure all chars when exists + this.remeasure = Object.keys(this.widths).length > 0; + if (isStandardFont && type === 'CIDFontType2' && + properties.cidEncoding.indexOf('Identity-') === 0) { + var GlyphMapForStandardFonts = getGlyphMapForStandardFonts(); + // Standard fonts might be embedded as CID font without glyph mapping. + // Building one based on GlyphMapForStandardFonts. + var map = []; + for (charCode in GlyphMapForStandardFonts) { + map[+charCode] = GlyphMapForStandardFonts[charCode]; + } + if (/ArialBlack/i.test(name)) { + var SupplementalGlyphMapForArialBlack = + getSupplementalGlyphMapForArialBlack(); + for (charCode in SupplementalGlyphMapForArialBlack) { + map[+charCode] = SupplementalGlyphMapForArialBlack[charCode]; + } + } + var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap; + if (!isIdentityUnicode) { + this.toUnicode.forEach(function(charCode, unicodeCharCode) { + map[+charCode] = unicodeCharCode; + }); + } + this.toFontChar = map; + this.toUnicode = new ToUnicodeMap(map); + } else if (/Symbol/i.test(fontName)) { + this.toFontChar = buildToFontChar(SymbolSetEncoding, getGlyphsUnicode(), + properties.differences); + } else if (/Dingbats/i.test(fontName)) { + if (/Wingdings/i.test(name)) { + warn('Non-embedded Wingdings font, falling back to ZapfDingbats.'); + } + this.toFontChar = buildToFontChar(ZapfDingbatsEncoding, + getDingbatsGlyphsUnicode(), + properties.differences); + } else if (isStandardFont) { + this.toFontChar = buildToFontChar(properties.defaultEncoding, + getGlyphsUnicode(), + properties.differences); + } else { + glyphsUnicodeMap = getGlyphsUnicode(); + this.toUnicode.forEach(function(charCode, unicodeCharCode) { + if (!this.composite) { + glyphName = (properties.differences[charCode] || + properties.defaultEncoding[charCode]); + unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + unicodeCharCode = unicode; + } + } + this.toFontChar[charCode] = unicodeCharCode; + }.bind(this)); + } + this.loadedName = fontName.split('-')[0]; + this.loading = false; + this.fontType = getFontType(type, subtype); + return; + } + + // Some fonts might use wrong font types for Type1C or CIDFontType0C + if (subtype === 'Type1C') { + if (type !== 'Type1' && type !== 'MMType1') { + // Some TrueType fonts by mistake claim Type1C + if (isTrueTypeFile(file)) { + subtype = 'TrueType'; + } else { + type = 'Type1'; + } + } else if (isOpenTypeFile(file)) { + // Sometimes the type/subtype can be a complete lie (see issue7598.pdf). + type = subtype = 'OpenType'; + } + } + if (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') { + type = 'CIDFontType0'; + } + if (subtype === 'OpenType') { + type = 'OpenType'; + } + // Some CIDFontType0C fonts by mistake claim CIDFontType0. + if (type === 'CIDFontType0') { + if (isType1File(file)) { + subtype = 'CIDFontType0'; + } else if (isOpenTypeFile(file)) { + // Sometimes the type/subtype can be a complete lie (see issue6782.pdf). + type = subtype = 'OpenType'; + } else { + subtype = 'CIDFontType0C'; + } + } + + var data; + switch (type) { + case 'MMType1': + info('MMType1 font (' + name + '), falling back to Type1.'); + /* falls through */ + case 'Type1': + case 'CIDFontType0': + this.mimetype = 'font/opentype'; + + var cff = (subtype === 'Type1C' || subtype === 'CIDFontType0C') ? + new CFFFont(file, properties) : new Type1Font(name, file, properties); + + adjustWidths(properties); + + // Wrap the CFF data inside an OTF font file + data = this.convert(name, cff, properties); + break; + + case 'OpenType': + case 'TrueType': + case 'CIDFontType2': + this.mimetype = 'font/opentype'; + + // Repair the TrueType file. It is can be damaged in the point of + // view of the sanitizer + data = this.checkAndRepair(name, file, properties); + if (this.isOpenType) { + adjustWidths(properties); + + type = 'OpenType'; + } + break; + + default: + error('Font ' + type + ' is not supported'); + break; + } + + this.data = data; + this.fontType = getFontType(type, subtype); + + // Transfer some properties again that could change during font conversion + this.fontMatrix = properties.fontMatrix; + this.widths = properties.widths; + this.defaultWidth = properties.defaultWidth; + this.toUnicode = properties.toUnicode; + this.encoding = properties.baseEncoding; + this.seacMap = properties.seacMap; + + this.loading = true; + } + + Font.getFontID = (function () { + var ID = 1; + return function Font_getFontID() { + return String(ID++); + }; + })(); + + function int16(b0, b1) { + return (b0 << 8) + b1; + } + + function signedInt16(b0, b1) { + var value = (b0 << 8) + b1; + return value & (1 << 15) ? value - 0x10000 : value; + } + + function int32(b0, b1, b2, b3) { + return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3; + } + + function string16(value) { + return String.fromCharCode((value >> 8) & 0xff, value & 0xff); + } + + function safeString16(value) { + // clamp value to the 16-bit int range + value = (value > 0x7FFF ? 0x7FFF : (value < -0x8000 ? -0x8000 : value)); + return String.fromCharCode((value >> 8) & 0xff, value & 0xff); + } + + function isTrueTypeFile(file) { + var header = file.peekBytes(4); + return readUint32(header, 0) === 0x00010000; + } + + function isOpenTypeFile(file) { + var header = file.peekBytes(4); + return bytesToString(header) === 'OTTO'; + } + + function isType1File(file) { + var header = file.peekBytes(2); + // All Type1 font programs must begin with the comment '%!' (0x25 + 0x21). + if (header[0] === 0x25 && header[1] === 0x21) { + return true; + } + // ... obviously some fonts violate that part of the specification, + // please refer to the comment in |Type1Font| below. + if (header[0] === 0x80 && header[1] === 0x01) { // pfb file header. + return true; + } + return false; + } + + function buildToFontChar(encoding, glyphsUnicodeMap, differences) { + var toFontChar = [], unicode; + for (var i = 0, ii = encoding.length; i < ii; i++) { + unicode = getUnicodeForGlyph(encoding[i], glyphsUnicodeMap); + if (unicode !== -1) { + toFontChar[i] = unicode; + } + } + for (var charCode in differences) { + unicode = getUnicodeForGlyph(differences[charCode], glyphsUnicodeMap); + if (unicode !== -1) { + toFontChar[+charCode] = unicode; + } + } + return toFontChar; + } + + /** + * Helper function for |adjustMapping|. + * @return {boolean} + */ + function isProblematicUnicodeLocation(code) { + // Using binary search to find a range start. + var i = 0, j = ProblematicCharRanges.length - 1; + while (i < j) { + var c = (i + j + 1) >> 1; + if (code < ProblematicCharRanges[c]) { + j = c - 1; + } else { + i = c; + } + } + // Even index means code in problematic range. + return !(i & 1); + } + + /** + * Rebuilds the char code to glyph ID map by trying to replace the char codes + * with their unicode value. It also moves char codes that are in known + * problematic locations. + * @return {Object} Two properties: + * 'toFontChar' - maps original char codes(the value that will be read + * from commands such as show text) to the char codes that will be used in the + * font that we build + * 'charCodeToGlyphId' - maps the new font char codes to glyph ids + */ + function adjustMapping(charCodeToGlyphId, properties) { + var toUnicode = properties.toUnicode; + var isSymbolic = !!(properties.flags & FontFlags.Symbolic); + var isIdentityUnicode = + properties.toUnicode instanceof IdentityToUnicodeMap; + var newMap = Object.create(null); + var toFontChar = []; + var usedFontCharCodes = []; + var nextAvailableFontCharCode = PRIVATE_USE_OFFSET_START; + for (var originalCharCode in charCodeToGlyphId) { + originalCharCode |= 0; + var glyphId = charCodeToGlyphId[originalCharCode]; + var fontCharCode = originalCharCode; + // First try to map the value to a unicode position if a non identity map + // was created. + if (!isIdentityUnicode && toUnicode.has(originalCharCode)) { + var unicode = toUnicode.get(fontCharCode); + // TODO: Try to map ligatures to the correct spot. + if (unicode.length === 1) { + fontCharCode = unicode.charCodeAt(0); + } + } + // Try to move control characters, special characters and already mapped + // characters to the private use area since they will not be drawn by + // canvas if left in their current position. Also, move characters if the + // font was symbolic and there is only an identity unicode map since the + // characters probably aren't in the correct position (fixes an issue + // with firefox and thuluthfont). + if ((usedFontCharCodes[fontCharCode] !== undefined || + isProblematicUnicodeLocation(fontCharCode) || + (isSymbolic && isIdentityUnicode)) && + nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left. + // Loop to try and find a free spot in the private use area. + do { + fontCharCode = nextAvailableFontCharCode++; + + if (SKIP_PRIVATE_USE_RANGE_F000_TO_F01F && fontCharCode === 0xF000) { + fontCharCode = 0xF020; + nextAvailableFontCharCode = fontCharCode + 1; + } + + } while (usedFontCharCodes[fontCharCode] !== undefined && + nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END); + } + + newMap[fontCharCode] = glyphId; + toFontChar[originalCharCode] = fontCharCode; + usedFontCharCodes[fontCharCode] = true; + } + return { + toFontChar: toFontChar, + charCodeToGlyphId: newMap, + nextAvailableFontCharCode: nextAvailableFontCharCode + }; + } + + function getRanges(glyphs, numGlyphs) { + // Array.sort() sorts by characters, not numerically, so convert to an + // array of characters. + var codes = []; + for (var charCode in glyphs) { + // Remove an invalid glyph ID mappings to make OTS happy. + if (glyphs[charCode] >= numGlyphs) { + continue; + } + codes.push({ fontCharCode: charCode | 0, glyphId: glyphs[charCode] }); + } + codes.sort(function fontGetRangesSort(a, b) { + return a.fontCharCode - b.fontCharCode; + }); + + // Split the sorted codes into ranges. + var ranges = []; + var length = codes.length; + for (var n = 0; n < length; ) { + var start = codes[n].fontCharCode; + var codeIndices = [codes[n].glyphId]; + ++n; + var end = start; + while (n < length && end + 1 === codes[n].fontCharCode) { + codeIndices.push(codes[n].glyphId); + ++end; + ++n; + if (end === 0xFFFF) { + break; + } + } + ranges.push([start, end, codeIndices]); + } + + return ranges; + } + + function createCmapTable(glyphs, numGlyphs) { + var ranges = getRanges(glyphs, numGlyphs); + var numTables = ranges[ranges.length - 1][1] > 0xFFFF ? 2 : 1; + var cmap = '\x00\x00' + // version + string16(numTables) + // numTables + '\x00\x03' + // platformID + '\x00\x01' + // encodingID + string32(4 + numTables * 8); // start of the table record + + var i, ii, j, jj; + for (i = ranges.length - 1; i >= 0; --i) { + if (ranges[i][0] <= 0xFFFF) { break; } + } + var bmpLength = i + 1; + + if (ranges[i][0] < 0xFFFF && ranges[i][1] === 0xFFFF) { + ranges[i][1] = 0xFFFE; + } + var trailingRangesCount = ranges[i][1] < 0xFFFF ? 1 : 0; + var segCount = bmpLength + trailingRangesCount; + var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2); + + // Fill up the 4 parallel arrays describing the segments. + var startCount = ''; + var endCount = ''; + var idDeltas = ''; + var idRangeOffsets = ''; + var glyphsIds = ''; + var bias = 0; + + var range, start, end, codes; + for (i = 0, ii = bmpLength; i < ii; i++) { + range = ranges[i]; + start = range[0]; + end = range[1]; + startCount += string16(start); + endCount += string16(end); + codes = range[2]; + var contiguous = true; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + contiguous = false; + break; + } + } + if (!contiguous) { + var offset = (segCount - i) * 2 + bias * 2; + bias += (end - start + 1); + + idDeltas += string16(0); + idRangeOffsets += string16(offset); + + for (j = 0, jj = codes.length; j < jj; ++j) { + glyphsIds += string16(codes[j]); + } + } else { + var startCode = codes[0]; + + idDeltas += string16((startCode - start) & 0xFFFF); + idRangeOffsets += string16(0); + } + } + + if (trailingRangesCount > 0) { + endCount += '\xFF\xFF'; + startCount += '\xFF\xFF'; + idDeltas += '\x00\x01'; + idRangeOffsets += '\x00\x00'; + } + + var format314 = '\x00\x00' + // language + string16(2 * segCount) + + string16(searchParams.range) + + string16(searchParams.entry) + + string16(searchParams.rangeShift) + + endCount + '\x00\x00' + startCount + + idDeltas + idRangeOffsets + glyphsIds; + + var format31012 = ''; + var header31012 = ''; + if (numTables > 1) { + cmap += '\x00\x03' + // platformID + '\x00\x0A' + // encodingID + string32(4 + numTables * 8 + + 4 + format314.length); // start of the table record + format31012 = ''; + for (i = 0, ii = ranges.length; i < ii; i++) { + range = ranges[i]; + start = range[0]; + codes = range[2]; + var code = codes[0]; + for (j = 1, jj = codes.length; j < jj; ++j) { + if (codes[j] !== codes[j - 1] + 1) { + end = range[0] + j - 1; + format31012 += string32(start) + // startCharCode + string32(end) + // endCharCode + string32(code); // startGlyphID + start = end + 1; + code = codes[j]; + } + } + format31012 += string32(start) + // startCharCode + string32(range[1]) + // endCharCode + string32(code); // startGlyphID + } + header31012 = '\x00\x0C' + // format + '\x00\x00' + // reserved + string32(format31012.length + 16) + // length + '\x00\x00\x00\x00' + // language + string32(format31012.length / 12); // nGroups + } + + return cmap + '\x00\x04' + // format + string16(format314.length + 4) + // length + format314 + header31012 + format31012; + } + + function validateOS2Table(os2) { + var stream = new Stream(os2.data); + var version = stream.getUint16(); + // TODO verify all OS/2 tables fields, but currently we validate only those + // that give us issues + stream.getBytes(60); // skipping type, misc sizes, panose, unicode ranges + var selection = stream.getUint16(); + if (version < 4 && (selection & 0x0300)) { + return false; + } + var firstChar = stream.getUint16(); + var lastChar = stream.getUint16(); + if (firstChar > lastChar) { + return false; + } + stream.getBytes(6); // skipping sTypoAscender/Descender/LineGap + var usWinAscent = stream.getUint16(); + if (usWinAscent === 0) { // makes font unreadable by windows + return false; + } + + // OS/2 appears to be valid, resetting some fields + os2.data[8] = os2.data[9] = 0; // IE rejects fonts if fsType != 0 + return true; + } + + function createOS2Table(properties, charstrings, override) { + override = override || { + unitsPerEm: 0, + yMax: 0, + yMin: 0, + ascent: 0, + descent: 0 + }; + + var ulUnicodeRange1 = 0; + var ulUnicodeRange2 = 0; + var ulUnicodeRange3 = 0; + var ulUnicodeRange4 = 0; + + var firstCharIndex = null; + var lastCharIndex = 0; + + if (charstrings) { + for (var code in charstrings) { + code |= 0; + if (firstCharIndex > code || !firstCharIndex) { + firstCharIndex = code; + } + if (lastCharIndex < code) { + lastCharIndex = code; + } + + var position = getUnicodeRangeFor(code); + if (position < 32) { + ulUnicodeRange1 |= 1 << position; + } else if (position < 64) { + ulUnicodeRange2 |= 1 << position - 32; + } else if (position < 96) { + ulUnicodeRange3 |= 1 << position - 64; + } else if (position < 123) { + ulUnicodeRange4 |= 1 << position - 96; + } else { + error('Unicode ranges Bits > 123 are reserved for internal usage'); + } + } + } else { + // TODO + firstCharIndex = 0; + lastCharIndex = 255; + } + + var bbox = properties.bbox || [0, 0, 0, 0]; + var unitsPerEm = (override.unitsPerEm || + 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]); + + // if the font units differ to the PDF glyph space units + // then scale up the values + var scale = (properties.ascentScaled ? 1.0 : + unitsPerEm / PDF_GLYPH_SPACE_UNITS); + + var typoAscent = (override.ascent || + Math.round(scale * (properties.ascent || bbox[3]))); + var typoDescent = (override.descent || + Math.round(scale * (properties.descent || bbox[1]))); + if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) { + typoDescent = -typoDescent; // fixing incorrect descent + } + var winAscent = override.yMax || typoAscent; + var winDescent = -override.yMin || -typoDescent; + + return '\x00\x03' + // version + '\x02\x24' + // xAvgCharWidth + '\x01\xF4' + // usWeightClass + '\x00\x05' + // usWidthClass + '\x00\x00' + // fstype (0 to let the font loads via font-face on IE) + '\x02\x8A' + // ySubscriptXSize + '\x02\xBB' + // ySubscriptYSize + '\x00\x00' + // ySubscriptXOffset + '\x00\x8C' + // ySubscriptYOffset + '\x02\x8A' + // ySuperScriptXSize + '\x02\xBB' + // ySuperScriptYSize + '\x00\x00' + // ySuperScriptXOffset + '\x01\xDF' + // ySuperScriptYOffset + '\x00\x31' + // yStrikeOutSize + '\x01\x02' + // yStrikeOutPosition + '\x00\x00' + // sFamilyClass + '\x00\x00\x06' + + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + + '\x00\x00\x00\x00\x00\x00' + // Panose + string32(ulUnicodeRange1) + // ulUnicodeRange1 (Bits 0-31) + string32(ulUnicodeRange2) + // ulUnicodeRange2 (Bits 32-63) + string32(ulUnicodeRange3) + // ulUnicodeRange3 (Bits 64-95) + string32(ulUnicodeRange4) + // ulUnicodeRange4 (Bits 96-127) + '\x2A\x32\x31\x2A' + // achVendID + string16(properties.italicAngle ? 1 : 0) + // fsSelection + string16(firstCharIndex || + properties.firstChar) + // usFirstCharIndex + string16(lastCharIndex || properties.lastChar) + // usLastCharIndex + string16(typoAscent) + // sTypoAscender + string16(typoDescent) + // sTypoDescender + '\x00\x64' + // sTypoLineGap (7%-10% of the unitsPerEM value) + string16(winAscent) + // usWinAscent + string16(winDescent) + // usWinDescent + '\x00\x00\x00\x00' + // ulCodePageRange1 (Bits 0-31) + '\x00\x00\x00\x00' + // ulCodePageRange2 (Bits 32-63) + string16(properties.xHeight) + // sxHeight + string16(properties.capHeight) + // sCapHeight + string16(0) + // usDefaultChar + string16(firstCharIndex || properties.firstChar) + // usBreakChar + '\x00\x03'; // usMaxContext + } + + function createPostTable(properties) { + var angle = Math.floor(properties.italicAngle * (Math.pow(2, 16))); + return ('\x00\x03\x00\x00' + // Version number + string32(angle) + // italicAngle + '\x00\x00' + // underlinePosition + '\x00\x00' + // underlineThickness + string32(properties.fixedPitch) + // isFixedPitch + '\x00\x00\x00\x00' + // minMemType42 + '\x00\x00\x00\x00' + // maxMemType42 + '\x00\x00\x00\x00' + // minMemType1 + '\x00\x00\x00\x00'); // maxMemType1 + } + + function createNameTable(name, proto) { + if (!proto) { + proto = [[], []]; // no strings and unicode strings + } + + var strings = [ + proto[0][0] || 'Original licence', // 0.Copyright + proto[0][1] || name, // 1.Font family + proto[0][2] || 'Unknown', // 2.Font subfamily (font weight) + proto[0][3] || 'uniqueID', // 3.Unique ID + proto[0][4] || name, // 4.Full font name + proto[0][5] || 'Version 0.11', // 5.Version + proto[0][6] || '', // 6.Postscript name + proto[0][7] || 'Unknown', // 7.Trademark + proto[0][8] || 'Unknown', // 8.Manufacturer + proto[0][9] || 'Unknown' // 9.Designer + ]; + + // Mac want 1-byte per character strings while Windows want + // 2-bytes per character, so duplicate the names table + var stringsUnicode = []; + var i, ii, j, jj, str; + for (i = 0, ii = strings.length; i < ii; i++) { + str = proto[1][i] || strings[i]; + + var strBufUnicode = []; + for (j = 0, jj = str.length; j < jj; j++) { + strBufUnicode.push(string16(str.charCodeAt(j))); + } + stringsUnicode.push(strBufUnicode.join('')); + } + + var names = [strings, stringsUnicode]; + var platforms = ['\x00\x01', '\x00\x03']; + var encodings = ['\x00\x00', '\x00\x01']; + var languages = ['\x00\x00', '\x04\x09']; + + var namesRecordCount = strings.length * platforms.length; + var nameTable = + '\x00\x00' + // format + string16(namesRecordCount) + // Number of names Record + string16(namesRecordCount * 12 + 6); // Storage + + // Build the name records field + var strOffset = 0; + for (i = 0, ii = platforms.length; i < ii; i++) { + var strs = names[i]; + for (j = 0, jj = strs.length; j < jj; j++) { + str = strs[j]; + var nameRecord = + platforms[i] + // platform ID + encodings[i] + // encoding ID + languages[i] + // language ID + string16(j) + // name ID + string16(str.length) + + string16(strOffset); + nameTable += nameRecord; + strOffset += str.length; + } + } + + nameTable += strings.join('') + stringsUnicode.join(''); + return nameTable; + } + + Font.prototype = { + name: null, + font: null, + mimetype: null, + encoding: null, + get renderer() { + var renderer = FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED); + return shadow(this, 'renderer', renderer); + }, + + exportData: function Font_exportData() { + // TODO remove enumerating of the properties, e.g. hardcode exact names. + var data = {}; + for (var i in this) { + if (this.hasOwnProperty(i)) { + data[i] = this[i]; + } + } + return data; + }, + + checkAndRepair: function Font_checkAndRepair(name, font, properties) { + function readTableEntry(file) { + var tag = bytesToString(file.getBytes(4)); + + var checksum = file.getInt32() >>> 0; + var offset = file.getInt32() >>> 0; + var length = file.getInt32() >>> 0; + + // Read the table associated data + var previousPosition = file.pos; + file.pos = file.start ? file.start : 0; + file.skip(offset); + var data = file.getBytes(length); + file.pos = previousPosition; + + if (tag === 'head') { + // clearing checksum adjustment + data[8] = data[9] = data[10] = data[11] = 0; + data[17] |= 0x20; //Set font optimized for cleartype flag + } + + return { + tag: tag, + checksum: checksum, + length: length, + offset: offset, + data: data + }; + } + + function readOpenTypeHeader(ttf) { + return { + version: bytesToString(ttf.getBytes(4)), + numTables: ttf.getUint16(), + searchRange: ttf.getUint16(), + entrySelector: ttf.getUint16(), + rangeShift: ttf.getUint16() + }; + } + + /** + * Read the appropriate subtable from the cmap according to 9.6.6.4 from + * PDF spec + */ + function readCmapTable(cmap, font, isSymbolicFont, hasEncoding) { + if (!cmap) { + warn('No cmap table available.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + var segment; + var start = (font.start ? font.start : 0) + cmap.offset; + font.pos = start; + + var version = font.getUint16(); + var numTables = font.getUint16(); + + var potentialTable; + var canBreak = false; + // There's an order of preference in terms of which cmap subtable to + // use: + // - non-symbolic fonts the preference is a 3,1 table then a 1,0 table + // - symbolic fonts the preference is a 3,0 table then a 1,0 table + // The following takes advantage of the fact that the tables are sorted + // to work. + for (var i = 0; i < numTables; i++) { + var platformId = font.getUint16(); + var encodingId = font.getUint16(); + var offset = font.getInt32() >>> 0; + var useTable = false; + + if (platformId === 0 && encodingId === 0) { + useTable = true; + // Continue the loop since there still may be a higher priority + // table. + } else if (platformId === 1 && encodingId === 0) { + useTable = true; + // Continue the loop since there still may be a higher priority + // table. + } else if (platformId === 3 && encodingId === 1 && + ((!isSymbolicFont && hasEncoding) || !potentialTable)) { + useTable = true; + if (!isSymbolicFont) { + canBreak = true; + } + } else if (isSymbolicFont && platformId === 3 && encodingId === 0) { + useTable = true; + canBreak = true; + } + + if (useTable) { + potentialTable = { + platformId: platformId, + encodingId: encodingId, + offset: offset + }; + } + if (canBreak) { + break; + } + } + + if (potentialTable) { + font.pos = start + potentialTable.offset; + } + if (!potentialTable || font.peekByte() === -1) { + warn('Could not find a preferred cmap table.'); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + + var format = font.getUint16(); + var length = font.getUint16(); + var language = font.getUint16(); + + var hasShortCmap = false; + var mappings = []; + var j, glyphId; + + // TODO(mack): refactor this cmap subtable reading logic out + if (format === 0) { + for (j = 0; j < 256; j++) { + var index = font.getByte(); + if (!index) { + continue; + } + mappings.push({ + charCode: j, + glyphId: index + }); + } + hasShortCmap = true; + } else if (format === 4) { + // re-creating the table in format 4 since the encoding + // might be changed + var segCount = (font.getUint16() >> 1); + font.getBytes(6); // skipping range fields + var segIndex, segments = []; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments.push({ end: font.getUint16() }); + } + font.getUint16(); + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].start = font.getUint16(); + } + + for (segIndex = 0; segIndex < segCount; segIndex++) { + segments[segIndex].delta = font.getUint16(); + } + + var offsetsCount = 0; + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + var rangeOffset = font.getUint16(); + if (!rangeOffset) { + segment.offsetIndex = -1; + continue; + } + + var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex); + segment.offsetIndex = offsetIndex; + offsetsCount = Math.max(offsetsCount, offsetIndex + + segment.end - segment.start + 1); + } + + var offsets = []; + for (j = 0; j < offsetsCount; j++) { + offsets.push(font.getUint16()); + } + + for (segIndex = 0; segIndex < segCount; segIndex++) { + segment = segments[segIndex]; + start = segment.start; + var end = segment.end; + var delta = segment.delta; + offsetIndex = segment.offsetIndex; + + for (j = start; j <= end; j++) { + if (j === 0xFFFF) { + continue; + } + + glyphId = (offsetIndex < 0 ? + j : offsets[offsetIndex + j - start]); + glyphId = (glyphId + delta) & 0xFFFF; + if (glyphId === 0) { + continue; + } + mappings.push({ + charCode: j, + glyphId: glyphId + }); + } + } + } else if (format === 6) { + // Format 6 is a 2-bytes dense mapping, which means the font data + // lives glue together even if they are pretty far in the unicode + // table. (This looks weird, so I can have missed something), this + // works on Linux but seems to fails on Mac so let's rewrite the + // cmap table to a 3-1-4 style + var firstCode = font.getUint16(); + var entryCount = font.getUint16(); + + for (j = 0; j < entryCount; j++) { + glyphId = font.getUint16(); + var charCode = firstCode + j; + + mappings.push({ + charCode: charCode, + glyphId: glyphId + }); + } + } else { + warn('cmap table has unsupported format: ' + format); + return { + platformId: -1, + encodingId: -1, + mappings: [], + hasShortCmap: false + }; + } + + // removing duplicate entries + mappings.sort(function (a, b) { + return a.charCode - b.charCode; + }); + for (i = 1; i < mappings.length; i++) { + if (mappings[i - 1].charCode === mappings[i].charCode) { + mappings.splice(i, 1); + i--; + } + } + + return { + platformId: potentialTable.platformId, + encodingId: potentialTable.encodingId, + mappings: mappings, + hasShortCmap: hasShortCmap + }; + } + + function sanitizeMetrics(font, header, metrics, numGlyphs) { + if (!header) { + if (metrics) { + metrics.data = null; + } + return; + } + + font.pos = (font.start ? font.start : 0) + header.offset; + font.pos += header.length - 2; + var numOfMetrics = font.getUint16(); + + if (numOfMetrics > numGlyphs) { + info('The numOfMetrics (' + numOfMetrics + ') should not be ' + + 'greater than the numGlyphs (' + numGlyphs + ')'); + // Reduce numOfMetrics if it is greater than numGlyphs + numOfMetrics = numGlyphs; + header.data[34] = (numOfMetrics & 0xff00) >> 8; + header.data[35] = numOfMetrics & 0x00ff; + } + + var numOfSidebearings = numGlyphs - numOfMetrics; + var numMissing = numOfSidebearings - + ((metrics.length - numOfMetrics * 4) >> 1); + + if (numMissing > 0) { + // For each missing glyph, we set both the width and lsb to 0 (zero). + // Since we need to add two properties for each glyph, this explains + // the use of |numMissing * 2| when initializing the typed array. + var entries = new Uint8Array(metrics.length + numMissing * 2); + entries.set(metrics.data); + metrics.data = entries; + } + } + + function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, + hintsValid) { + if (sourceEnd - sourceStart <= 12) { + // glyph with data less than 12 is invalid one + return 0; + } + var glyf = source.subarray(sourceStart, sourceEnd); + var contoursCount = (glyf[0] << 8) | glyf[1]; + if (contoursCount & 0x8000) { + // complex glyph, writing as is + dest.set(glyf, destStart); + return glyf.length; + } + + var i, j = 10, flagsCount = 0; + for (i = 0; i < contoursCount; i++) { + var endPoint = (glyf[j] << 8) | glyf[j + 1]; + flagsCount = endPoint + 1; + j += 2; + } + // skipping instructions + var instructionsStart = j; + var instructionsLength = (glyf[j] << 8) | glyf[j + 1]; + j += 2 + instructionsLength; + var instructionsEnd = j; + // validating flags + var coordinatesLength = 0; + for (i = 0; i < flagsCount; i++) { + var flag = glyf[j++]; + if (flag & 0xC0) { + // reserved flags must be zero, cleaning up + glyf[j - 1] = flag & 0x3F; + } + var xyLength = ((flag & 2) ? 1 : (flag & 16) ? 0 : 2) + + ((flag & 4) ? 1 : (flag & 32) ? 0 : 2); + coordinatesLength += xyLength; + if (flag & 8) { + var repeat = glyf[j++]; + i += repeat; + coordinatesLength += repeat * xyLength; + } + } + // glyph without coordinates will be rejected + if (coordinatesLength === 0) { + return 0; + } + var glyphDataLength = j + coordinatesLength; + if (glyphDataLength > glyf.length) { + // not enough data for coordinates + return 0; + } + if (!hintsValid && instructionsLength > 0) { + dest.set(glyf.subarray(0, instructionsStart), destStart); + dest.set([0, 0], destStart + instructionsStart); + dest.set(glyf.subarray(instructionsEnd, glyphDataLength), + destStart + instructionsStart + 2); + glyphDataLength -= instructionsLength; + if (glyf.length - glyphDataLength > 3) { + glyphDataLength = (glyphDataLength + 3) & ~3; + } + return glyphDataLength; + } + if (glyf.length - glyphDataLength > 3) { + // truncating and aligning to 4 bytes the long glyph data + glyphDataLength = (glyphDataLength + 3) & ~3; + dest.set(glyf.subarray(0, glyphDataLength), destStart); + return glyphDataLength; + } + // glyph data is fine + dest.set(glyf, destStart); + return glyf.length; + } + + function sanitizeHead(head, numGlyphs, locaLength) { + var data = head.data; + + // Validate version: + // Should always be 0x00010000 + var version = int32(data[0], data[1], data[2], data[3]); + if (version >> 16 !== 1) { + info('Attempting to fix invalid version in head table: ' + version); + data[0] = 0; + data[1] = 1; + data[2] = 0; + data[3] = 0; + } + + var indexToLocFormat = int16(data[50], data[51]); + if (indexToLocFormat < 0 || indexToLocFormat > 1) { + info('Attempting to fix invalid indexToLocFormat in head table: ' + + indexToLocFormat); + + // The value of indexToLocFormat should be 0 if the loca table + // consists of short offsets, and should be 1 if the loca table + // consists of long offsets. + // + // The number of entries in the loca table should be numGlyphs + 1. + // + // Using this information, we can work backwards to deduce if the + // size of each offset in the loca table, and thus figure out the + // appropriate value for indexToLocFormat. + + var numGlyphsPlusOne = numGlyphs + 1; + if (locaLength === numGlyphsPlusOne << 1) { + // 0x0000 indicates the loca table consists of short offsets + data[50] = 0; + data[51] = 0; + } else if (locaLength === numGlyphsPlusOne << 2) { + // 0x0001 indicates the loca table consists of long offsets + data[50] = 0; + data[51] = 1; + } else { + warn('Could not fix indexToLocFormat: ' + indexToLocFormat); + } + } + } + + function sanitizeGlyphLocations(loca, glyf, numGlyphs, + isGlyphLocationsLong, hintsValid, + dupFirstEntry) { + var itemSize, itemDecode, itemEncode; + if (isGlyphLocationsLong) { + itemSize = 4; + itemDecode = function fontItemDecodeLong(data, offset) { + return (data[offset] << 24) | (data[offset + 1] << 16) | + (data[offset + 2] << 8) | data[offset + 3]; + }; + itemEncode = function fontItemEncodeLong(data, offset, value) { + data[offset] = (value >>> 24) & 0xFF; + data[offset + 1] = (value >> 16) & 0xFF; + data[offset + 2] = (value >> 8) & 0xFF; + data[offset + 3] = value & 0xFF; + }; + } else { + itemSize = 2; + itemDecode = function fontItemDecode(data, offset) { + return (data[offset] << 9) | (data[offset + 1] << 1); + }; + itemEncode = function fontItemEncode(data, offset, value) { + data[offset] = (value >> 9) & 0xFF; + data[offset + 1] = (value >> 1) & 0xFF; + }; + } + var locaData = loca.data; + var locaDataSize = itemSize * (1 + numGlyphs); + // is loca.data too short or long? + if (locaData.length !== locaDataSize) { + locaData = new Uint8Array(locaDataSize); + locaData.set(loca.data.subarray(0, locaDataSize)); + loca.data = locaData; + } + // removing the invalid glyphs + var oldGlyfData = glyf.data; + var oldGlyfDataLength = oldGlyfData.length; + var newGlyfData = new Uint8Array(oldGlyfDataLength); + var startOffset = itemDecode(locaData, 0); + var writeOffset = 0; + var missingGlyphData = Object.create(null); + itemEncode(locaData, 0, writeOffset); + var i, j; + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + var endOffset = itemDecode(locaData, j); + if (endOffset > oldGlyfDataLength && + ((oldGlyfDataLength + 3) & ~3) === endOffset) { + // Aspose breaks fonts by aligning the glyphs to the qword, but not + // the glyf table size, which makes last glyph out of range. + endOffset = oldGlyfDataLength; + } + if (endOffset > oldGlyfDataLength) { + // glyph end offset points outside glyf data, rejecting the glyph + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + continue; + } + + if (startOffset === endOffset) { + missingGlyphData[i] = true; + } + + var newLength = sanitizeGlyph(oldGlyfData, startOffset, endOffset, + newGlyfData, writeOffset, hintsValid); + writeOffset += newLength; + itemEncode(locaData, j, writeOffset); + startOffset = endOffset; + } + + if (writeOffset === 0) { + // glyf table cannot be empty -- redoing the glyf and loca tables + // to have single glyph with one point + var simpleGlyph = new Uint8Array( + [0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]); + for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) { + itemEncode(locaData, j, simpleGlyph.length); + } + glyf.data = simpleGlyph; + return missingGlyphData; + } + + if (dupFirstEntry) { + var firstEntryLength = itemDecode(locaData, itemSize); + if (newGlyfData.length > firstEntryLength + writeOffset) { + glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset); + } else { + glyf.data = new Uint8Array(firstEntryLength + writeOffset); + glyf.data.set(newGlyfData.subarray(0, writeOffset)); + } + glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset); + itemEncode(loca.data, locaData.length - itemSize, + writeOffset + firstEntryLength); + } else { + glyf.data = newGlyfData.subarray(0, writeOffset); + } + return missingGlyphData; + } + + function readPostScriptTable(post, properties, maxpNumGlyphs) { + var start = (font.start ? font.start : 0) + post.offset; + font.pos = start; + + var length = post.length, end = start + length; + var version = font.getInt32(); + // skip rest to the tables + font.getBytes(28); + + var glyphNames; + var valid = true; + var i; + + switch (version) { + case 0x00010000: + glyphNames = MacStandardGlyphOrdering; + break; + case 0x00020000: + var numGlyphs = font.getUint16(); + if (numGlyphs !== maxpNumGlyphs) { + valid = false; + break; + } + var glyphNameIndexes = []; + for (i = 0; i < numGlyphs; ++i) { + var index = font.getUint16(); + if (index >= 32768) { + valid = false; + break; + } + glyphNameIndexes.push(index); + } + if (!valid) { + break; + } + var customNames = []; + var strBuf = []; + while (font.pos < end) { + var stringLength = font.getByte(); + strBuf.length = stringLength; + for (i = 0; i < stringLength; ++i) { + strBuf[i] = String.fromCharCode(font.getByte()); + } + customNames.push(strBuf.join('')); + } + glyphNames = []; + for (i = 0; i < numGlyphs; ++i) { + var j = glyphNameIndexes[i]; + if (j < 258) { + glyphNames.push(MacStandardGlyphOrdering[j]); + continue; + } + glyphNames.push(customNames[j - 258]); + } + break; + case 0x00030000: + break; + default: + warn('Unknown/unsupported post table version ' + version); + valid = false; + if (properties.defaultEncoding) { + glyphNames = properties.defaultEncoding; + } + break; + } + properties.glyphNames = glyphNames; + return valid; + } + + function readNameTable(nameTable) { + var start = (font.start ? font.start : 0) + nameTable.offset; + font.pos = start; + + var names = [[], []]; + var length = nameTable.length, end = start + length; + var format = font.getUint16(); + var FORMAT_0_HEADER_LENGTH = 6; + if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) { + // unsupported name table format or table "too" small + return names; + } + var numRecords = font.getUint16(); + var stringsStart = font.getUint16(); + var records = []; + var NAME_RECORD_LENGTH = 12; + var i, ii; + + for (i = 0; i < numRecords && + font.pos + NAME_RECORD_LENGTH <= end; i++) { + var r = { + platform: font.getUint16(), + encoding: font.getUint16(), + language: font.getUint16(), + name: font.getUint16(), + length: font.getUint16(), + offset: font.getUint16() + }; + // using only Macintosh and Windows platform/encoding names + if ((r.platform === 1 && r.encoding === 0 && r.language === 0) || + (r.platform === 3 && r.encoding === 1 && r.language === 0x409)) { + records.push(r); + } + } + for (i = 0, ii = records.length; i < ii; i++) { + var record = records[i]; + if (record.length <= 0) { + continue; // Nothing to process, ignoring. + } + var pos = start + stringsStart + record.offset; + if (pos + record.length > end) { + continue; // outside of name table, ignoring + } + font.pos = pos; + var nameIndex = record.name; + if (record.encoding) { + // unicode + var str = ''; + for (var j = 0, jj = record.length; j < jj; j += 2) { + str += String.fromCharCode(font.getUint16()); + } + names[1][nameIndex] = str; + } else { + names[0][nameIndex] = bytesToString(font.getBytes(record.length)); + } + } + return names; + } + + var TTOpsStackDeltas = [ + 0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, + -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, + 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, + 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, + 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, + -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, + -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, + -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2]; + // 0xC0-DF == -1 and 0xE0-FF == -2 + + function sanitizeTTProgram(table, ttContext) { + var data = table.data; + var i = 0, j, n, b, funcId, pc, lastEndf = 0, lastDeff = 0; + var stack = []; + var callstack = []; + var functionsCalled = []; + var tooComplexToFollowFunctions = + ttContext.tooComplexToFollowFunctions; + var inFDEF = false, ifLevel = 0, inELSE = 0; + for (var ii = data.length; i < ii;) { + var op = data[i++]; + // The TrueType instruction set docs can be found at + // https://developer.apple.com/fonts/TTRefMan/RM05/Chap5.html + if (op === 0x40) { // NPUSHB - pushes n bytes + n = data[i++]; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if (op === 0x41) { // NPUSHW - pushes n words + n = data[i++]; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push((b << 8) | data[i++]); + } + } + } else if ((op & 0xF8) === 0xB0) { // PUSHB - pushes bytes + n = op - 0xB0 + 1; + if (inFDEF || inELSE) { + i += n; + } else { + for (j = 0; j < n; j++) { + stack.push(data[i++]); + } + } + } else if ((op & 0xF8) === 0xB8) { // PUSHW - pushes words + n = op - 0xB8 + 1; + if (inFDEF || inELSE) { + i += n * 2; + } else { + for (j = 0; j < n; j++) { + b = data[i++]; + stack.push((b << 8) | data[i++]); + } + } + } else if (op === 0x2B && !tooComplexToFollowFunctions) { // CALL + if (!inFDEF && !inELSE) { + // collecting inforamtion about which functions are used + funcId = stack[stack.length - 1]; + ttContext.functionsUsed[funcId] = true; + if (funcId in ttContext.functionsStackDeltas) { + stack.length += ttContext.functionsStackDeltas[funcId]; + } else if (funcId in ttContext.functionsDefined && + functionsCalled.indexOf(funcId) < 0) { + callstack.push({data: data, i: i, stackTop: stack.length - 1}); + functionsCalled.push(funcId); + pc = ttContext.functionsDefined[funcId]; + if (!pc) { + warn('TT: CALL non-existent function'); + ttContext.hintsValid = false; + return; + } + data = pc.data; + i = pc.i; + } + } + } else if (op === 0x2C && !tooComplexToFollowFunctions) { // FDEF + if (inFDEF || inELSE) { + warn('TT: nested FDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // collecting inforamtion about which functions are defined + lastDeff = i; + funcId = stack.pop(); + ttContext.functionsDefined[funcId] = {data: data, i: i}; + } else if (op === 0x2D) { // ENDF - end of function + if (inFDEF) { + inFDEF = false; + lastEndf = i; + } else { + pc = callstack.pop(); + if (!pc) { + warn('TT: ENDF bad stack'); + ttContext.hintsValid = false; + return; + } + funcId = functionsCalled.pop(); + data = pc.data; + i = pc.i; + ttContext.functionsStackDeltas[funcId] = + stack.length - pc.stackTop; + } + } else if (op === 0x89) { // IDEF - instruction definition + if (inFDEF || inELSE) { + warn('TT: nested IDEFs not allowed'); + tooComplexToFollowFunctions = true; + } + inFDEF = true; + // recording it as a function to track ENDF + lastDeff = i; + } else if (op === 0x58) { // IF + ++ifLevel; + } else if (op === 0x1B) { // ELSE + inELSE = ifLevel; + } else if (op === 0x59) { // EIF + if (inELSE === ifLevel) { + inELSE = 0; + } + --ifLevel; + } else if (op === 0x1C) { // JMPR + if (!inFDEF && !inELSE) { + var offset = stack[stack.length - 1]; + // only jumping forward to prevent infinite loop + if (offset > 0) { + i += offset - 1; + } + } + } + // Adjusting stack not extactly, but just enough to get function id + if (!inFDEF && !inELSE) { + var stackDelta = op <= 0x8E ? TTOpsStackDeltas[op] : + op >= 0xC0 && op <= 0xDF ? -1 : op >= 0xE0 ? -2 : 0; + if (op >= 0x71 && op <= 0x75) { + n = stack.pop(); + if (n === n) { + stackDelta = -n * 2; + } + } + while (stackDelta < 0 && stack.length > 0) { + stack.pop(); + stackDelta++; + } + while (stackDelta > 0) { + stack.push(NaN); // pushing any number into stack + stackDelta--; + } + } + } + ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions; + var content = [data]; + if (i > data.length) { + content.push(new Uint8Array(i - data.length)); + } + if (lastDeff > lastEndf) { + warn('TT: complementing a missing function tail'); + // new function definition started, but not finished + // complete function by [CLEAR, ENDF] + content.push(new Uint8Array([0x22, 0x2D])); + } + foldTTTable(table, content); + } + + function checkInvalidFunctions(ttContext, maxFunctionDefs) { + if (ttContext.tooComplexToFollowFunctions) { + return; + } + if (ttContext.functionsDefined.length > maxFunctionDefs) { + warn('TT: more functions defined than expected'); + ttContext.hintsValid = false; + return; + } + for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) { + if (j > maxFunctionDefs) { + warn('TT: invalid function id: ' + j); + ttContext.hintsValid = false; + return; + } + if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) { + warn('TT: undefined function: ' + j); + ttContext.hintsValid = false; + return; + } + } + } + + function foldTTTable(table, content) { + if (content.length > 1) { + // concatenating the content items + var newLength = 0; + var j, jj; + for (j = 0, jj = content.length; j < jj; j++) { + newLength += content[j].length; + } + newLength = (newLength + 3) & ~3; + var result = new Uint8Array(newLength); + var pos = 0; + for (j = 0, jj = content.length; j < jj; j++) { + result.set(content[j], pos); + pos += content[j].length; + } + table.data = result; + table.length = newLength; + } + } + + function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) { + var ttContext = { + functionsDefined: [], + functionsUsed: [], + functionsStackDeltas: [], + tooComplexToFollowFunctions: false, + hintsValid: true + }; + if (fpgm) { + sanitizeTTProgram(fpgm, ttContext); + } + if (prep) { + sanitizeTTProgram(prep, ttContext); + } + if (fpgm) { + checkInvalidFunctions(ttContext, maxFunctionDefs); + } + if (cvt && (cvt.length & 1)) { + var cvtData = new Uint8Array(cvt.length + 1); + cvtData.set(cvt.data); + cvt.data = cvtData; + } + return ttContext.hintsValid; + } + + // The following steps modify the original font data, making copy + font = new Stream(new Uint8Array(font.getBytes())); + + var VALID_TABLES = ['OS/2', 'cmap', 'head', 'hhea', 'hmtx', 'maxp', + 'name', 'post', 'loca', 'glyf', 'fpgm', 'prep', 'cvt ', 'CFF ']; + + var header = readOpenTypeHeader(font); + var numTables = header.numTables; + var cff, cffFile; + + var tables = Object.create(null); + tables['OS/2'] = null; + tables['cmap'] = null; + tables['head'] = null; + tables['hhea'] = null; + tables['hmtx'] = null; + tables['maxp'] = null; + tables['name'] = null; + tables['post'] = null; + + var table; + for (var i = 0; i < numTables; i++) { + table = readTableEntry(font); + if (VALID_TABLES.indexOf(table.tag) < 0) { + continue; // skipping table if it's not a required or optional table + } + if (table.length === 0) { + continue; // skipping empty tables + } + tables[table.tag] = table; + } + + var isTrueType = !tables['CFF ']; + if (!isTrueType) { + // OpenType font + if ((header.version === 'OTTO' && properties.type !== 'CIDFontType2') || + !tables['head'] || !tables['hhea'] || !tables['maxp'] || + !tables['post']) { + // no major tables: throwing everything at CFFFont + cffFile = new Stream(tables['CFF '].data); + cff = new CFFFont(cffFile, properties); + + adjustWidths(properties); + + return this.convert(name, cff, properties); + } + + delete tables['glyf']; + delete tables['loca']; + delete tables['fpgm']; + delete tables['prep']; + delete tables['cvt ']; + this.isOpenType = true; + } else { + if (!tables['loca']) { + error('Required "loca" table is not found'); + } + if (!tables['glyf']) { + warn('Required "glyf" table is not found -- trying to recover.'); + // Note: We use `sanitizeGlyphLocations` to add dummy glyf data below. + tables['glyf'] = { + tag: 'glyf', + data: new Uint8Array(0), + }; + } + this.isOpenType = false; + } + + if (!tables['maxp']) { + error('Required "maxp" table is not found'); + } + + font.pos = (font.start || 0) + tables['maxp'].offset; + var version = font.getInt32(); + var numGlyphs = font.getUint16(); + var maxFunctionDefs = 0; + if (version >= 0x00010000 && tables['maxp'].length >= 22) { + // maxZones can be invalid + font.pos += 8; + var maxZones = font.getUint16(); + if (maxZones > 2) { // reset to 2 if font has invalid maxZones + tables['maxp'].data[14] = 0; + tables['maxp'].data[15] = 2; + } + font.pos += 4; + maxFunctionDefs = font.getUint16(); + } + + var dupFirstEntry = false; + if (properties.type === 'CIDFontType2' && properties.toUnicode && + properties.toUnicode.get(0) > '\u0000') { + // oracle's defect (see 3427), duplicating first entry + dupFirstEntry = true; + numGlyphs++; + tables['maxp'].data[4] = numGlyphs >> 8; + tables['maxp'].data[5] = numGlyphs & 255; + } + + var hintsValid = sanitizeTTPrograms(tables['fpgm'], tables['prep'], + tables['cvt '], maxFunctionDefs); + if (!hintsValid) { + delete tables['fpgm']; + delete tables['prep']; + delete tables['cvt ']; + } + + // Ensure the hmtx table contains the advance width and + // sidebearings information for numGlyphs in the maxp table + sanitizeMetrics(font, tables['hhea'], tables['hmtx'], numGlyphs); + + if (!tables['head']) { + error('Required "head" table is not found'); + } + + sanitizeHead(tables['head'], numGlyphs, + isTrueType ? tables['loca'].length : 0); + + var missingGlyphs = Object.create(null); + if (isTrueType) { + var isGlyphLocationsLong = int16(tables['head'].data[50], + tables['head'].data[51]); + missingGlyphs = sanitizeGlyphLocations(tables['loca'], tables['glyf'], + numGlyphs, isGlyphLocationsLong, + hintsValid, dupFirstEntry); + } + + if (!tables['hhea']) { + error('Required "hhea" table is not found'); + } + + // Sanitizer reduces the glyph advanceWidth to the maxAdvanceWidth + // Sometimes it's 0. That needs to be fixed + if (tables['hhea'].data[10] === 0 && tables['hhea'].data[11] === 0) { + tables['hhea'].data[10] = 0xFF; + tables['hhea'].data[11] = 0xFF; + } + + // Extract some more font properties from the OpenType head and + // hhea tables; yMin and descent value are always negative. + var metricsOverride = { + unitsPerEm: int16(tables['head'].data[18], tables['head'].data[19]), + yMax: int16(tables['head'].data[42], tables['head'].data[43]), + yMin: signedInt16(tables['head'].data[38], tables['head'].data[39]), + ascent: int16(tables['hhea'].data[4], tables['hhea'].data[5]), + descent: signedInt16(tables['hhea'].data[6], tables['hhea'].data[7]) + }; + + // PDF FontDescriptor metrics lie -- using data from actual font. + this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm; + this.descent = metricsOverride.descent / metricsOverride.unitsPerEm; + + // The 'post' table has glyphs names. + if (tables['post']) { + var valid = readPostScriptTable(tables['post'], properties, numGlyphs); + if (!valid) { + tables['post'] = null; + } + } + + var charCodeToGlyphId = [], charCode; + var toUnicode = properties.toUnicode, widths = properties.widths; + var skipToUnicode = (toUnicode instanceof IdentityToUnicodeMap || + toUnicode.length === 0x10000); + + // Helper function to try to skip mapping of empty glyphs. + // Note: In some cases, just relying on the glyph data doesn't work, + // hence we also use a few heuristics to fix various PDF files. + function hasGlyph(glyphId, charCode, widthCode) { + if (!missingGlyphs[glyphId]) { + return true; + } + if (!skipToUnicode && charCode >= 0 && toUnicode.has(charCode)) { + return true; + } + if (widths && widthCode >= 0 && isNum(widths[widthCode])) { + return true; + } + return false; + } + + if (properties.type === 'CIDFontType2') { + var cidToGidMap = properties.cidToGidMap || []; + var isCidToGidMapEmpty = cidToGidMap.length === 0; + + properties.cMap.forEach(function(charCode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + var glyphId = -1; + if (isCidToGidMapEmpty) { + glyphId = cid; + } else if (cidToGidMap[cid] !== undefined) { + glyphId = cidToGidMap[cid]; + } + + if (glyphId >= 0 && glyphId < numGlyphs && + hasGlyph(glyphId, charCode, cid)) { + charCodeToGlyphId[charCode] = glyphId; + } + }); + if (dupFirstEntry && (isCidToGidMapEmpty || !charCodeToGlyphId[0])) { + // We don't duplicate the first entry in the `charCodeToGlyphId` map + // if the font has a `CIDToGIDMap` which has already mapped the first + // entry to a non-zero `glyphId` (fixes issue7544.pdf). + charCodeToGlyphId[0] = numGlyphs - 1; + } + } else { + // Most of the following logic in this code branch is based on the + // 9.6.6.4 of the PDF spec. + var cmapTable = readCmapTable(tables['cmap'], font, this.isSymbolicFont, + properties.hasEncoding); + var cmapPlatformId = cmapTable.platformId; + var cmapEncodingId = cmapTable.encodingId; + var cmapMappings = cmapTable.mappings; + var cmapMappingsLength = cmapMappings.length; + + // The spec seems to imply that if the font is symbolic the encoding + // should be ignored, this doesn't appear to work for 'preistabelle.pdf' + // where the the font is symbolic and it has an encoding. + if (properties.hasEncoding && + (cmapPlatformId === 3 && cmapEncodingId === 1 || + cmapPlatformId === 1 && cmapEncodingId === 0) || + (cmapPlatformId === -1 && cmapEncodingId === -1 && // Temporary hack + !!getEncoding(properties.baseEncodingName))) { // Temporary hack + // When no preferred cmap table was found and |baseEncodingName| is + // one of the predefined encodings, we seem to obtain a better + // |charCodeToGlyphId| map from the code below (fixes bug 1057544). + // TODO: Note that this is a hack which should be removed as soon as + // we have proper support for more exotic cmap tables. + + var baseEncoding = []; + if (properties.baseEncodingName === 'MacRomanEncoding' || + properties.baseEncodingName === 'WinAnsiEncoding') { + baseEncoding = getEncoding(properties.baseEncodingName); + } + var glyphsUnicodeMap = getGlyphsUnicode(); + for (charCode = 0; charCode < 256; charCode++) { + var glyphName, standardGlyphName; + if (this.differences && charCode in this.differences) { + glyphName = this.differences[charCode]; + } else if (charCode in baseEncoding && + baseEncoding[charCode] !== '') { + glyphName = baseEncoding[charCode]; + } else { + glyphName = StandardEncoding[charCode]; + } + if (!glyphName) { + continue; + } + // Ensure that non-standard glyph names are resolved to valid ones. + standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap); + + var unicodeOrCharCode, isUnicode = false; + if (cmapPlatformId === 3 && cmapEncodingId === 1) { + unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName]; + isUnicode = true; + } else if (cmapPlatformId === 1 && cmapEncodingId === 0) { + // TODO: the encoding needs to be updated with mac os table. + unicodeOrCharCode = MacRomanEncoding.indexOf(standardGlyphName); + } + + var found = false; + for (i = 0; i < cmapMappingsLength; ++i) { + if (cmapMappings[i].charCode !== unicodeOrCharCode) { + continue; + } + var code = isUnicode ? charCode : unicodeOrCharCode; + if (hasGlyph(cmapMappings[i].glyphId, code, -1)) { + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + found = true; + break; + } + } + if (!found && properties.glyphNames) { + // Try to map using the post table. + var glyphId = properties.glyphNames.indexOf(glyphName); + // The post table ought to use the same kind of glyph names as the + // `differences` array, but check the standard ones as a fallback. + if (glyphId === -1 && standardGlyphName !== glyphName) { + glyphId = properties.glyphNames.indexOf(standardGlyphName); + } + if (glyphId > 0 && hasGlyph(glyphId, -1, -1)) { + charCodeToGlyphId[charCode] = glyphId; + found = true; + } + } + if (!found) { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } else if (cmapPlatformId === 0 && cmapEncodingId === 0) { + // Default Unicode semantics, use the charcodes as is. + for (i = 0; i < cmapMappingsLength; ++i) { + charCodeToGlyphId[cmapMappings[i].charCode] = + cmapMappings[i].glyphId; + } + } else { + // For (3, 0) cmap tables: + // The charcode key being stored in charCodeToGlyphId is the lower + // byte of the two-byte charcodes of the cmap table since according to + // the spec: 'each byte from the string shall be prepended with the + // high byte of the range [of charcodes in the cmap table], to form + // a two-byte character, which shall be used to select the + // associated glyph description from the subtable'. + // + // For (1, 0) cmap tables: + // 'single bytes from the string shall be used to look up the + // associated glyph descriptions from the subtable'. This means + // charcodes in the cmap will be single bytes, so no-op since + // glyph.charCode & 0xFF === glyph.charCode + for (i = 0; i < cmapMappingsLength; ++i) { + charCode = cmapMappings[i].charCode & 0xFF; + charCodeToGlyphId[charCode] = cmapMappings[i].glyphId; + } + } + } + + if (charCodeToGlyphId.length === 0) { + // defines at least one glyph + charCodeToGlyphId[0] = 0; + } + + // Converting glyphs and ids into font's cmap table + var newMapping = adjustMapping(charCodeToGlyphId, properties); + this.toFontChar = newMapping.toFontChar; + tables['cmap'] = { + tag: 'cmap', + data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphs) + }; + + if (!tables['OS/2'] || !validateOS2Table(tables['OS/2'])) { + tables['OS/2'] = { + tag: 'OS/2', + data: createOS2Table(properties, newMapping.charCodeToGlyphId, + metricsOverride) + }; + } + + // Rewrite the 'post' table if needed + if (!tables['post']) { + tables['post'] = { + tag: 'post', + data: createPostTable(properties) + }; + } + + if (!isTrueType) { + try { + // Trying to repair CFF file + cffFile = new Stream(tables['CFF '].data); + var parser = new CFFParser(cffFile, properties, + SEAC_ANALYSIS_ENABLED); + cff = parser.parse(); + var compiler = new CFFCompiler(cff); + tables['CFF '].data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + } + } + + // Re-creating 'name' table + if (!tables['name']) { + tables['name'] = { + tag: 'name', + data: createNameTable(this.name) + }; + } else { + // ... using existing 'name' table as prototype + var namePrototype = readNameTable(tables['name']); + tables['name'].data = createNameTable(name, namePrototype); + } + + var builder = new OpenTypeFileBuilder(header.version); + for (var tableTag in tables) { + builder.addTable(tableTag, tables[tableTag].data); + } + return builder.toArray(); + }, + + convert: function Font_convert(fontName, font, properties) { + // TODO: Check the charstring widths to determine this. + properties.fixedPitch = false; + + if (properties.builtInEncoding) { + // For Type1 fonts that do not include either `ToUnicode` or `Encoding` + // data, attempt to use the `builtInEncoding` to improve text selection. + adjustToUnicode(properties, properties.builtInEncoding); + } + + var mapping = font.getGlyphMapping(properties); + var newMapping = adjustMapping(mapping, properties); + this.toFontChar = newMapping.toFontChar; + var numGlyphs = font.numGlyphs; + + function getCharCodes(charCodeToGlyphId, glyphId) { + var charCodes = null; + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + if (!charCodes) { + charCodes = []; + } + charCodes.push(charCode | 0); + } + } + return charCodes; + } + + function createCharCode(charCodeToGlyphId, glyphId) { + for (var charCode in charCodeToGlyphId) { + if (glyphId === charCodeToGlyphId[charCode]) { + return charCode | 0; + } + } + newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = + glyphId; + return newMapping.nextAvailableFontCharCode++; + } + + var seacs = font.seacs; + if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) { + var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX; + var charset = font.getCharset(); + var seacMap = Object.create(null); + for (var glyphId in seacs) { + glyphId |= 0; + var seac = seacs[glyphId]; + var baseGlyphName = StandardEncoding[seac[2]]; + var accentGlyphName = StandardEncoding[seac[3]]; + var baseGlyphId = charset.indexOf(baseGlyphName); + var accentGlyphId = charset.indexOf(accentGlyphName); + if (baseGlyphId < 0 || accentGlyphId < 0) { + continue; + } + var accentOffset = { + x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4], + y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5] + }; + + var charCodes = getCharCodes(mapping, glyphId); + if (!charCodes) { + // There's no point in mapping it if the char code was never mapped + // to begin with. + continue; + } + for (var i = 0, ii = charCodes.length; i < ii; i++) { + var charCode = charCodes[i]; + // Find a fontCharCode that maps to the base and accent glyphs. + // If one doesn't exists, create it. + var charCodeToGlyphId = newMapping.charCodeToGlyphId; + var baseFontCharCode = createCharCode(charCodeToGlyphId, + baseGlyphId); + var accentFontCharCode = createCharCode(charCodeToGlyphId, + accentGlyphId); + seacMap[charCode] = { + baseFontCharCode: baseFontCharCode, + accentFontCharCode: accentFontCharCode, + accentOffset: accentOffset + }; + } + } + properties.seacMap = seacMap; + } + + var unitsPerEm = 1 / (properties.fontMatrix || FONT_IDENTITY_MATRIX)[0]; + + var builder = new OpenTypeFileBuilder('\x4F\x54\x54\x4F'); + // PostScript Font Program + builder.addTable('CFF ', font.data); + // OS/2 and Windows Specific metrics + builder.addTable('OS/2', createOS2Table(properties, + newMapping.charCodeToGlyphId)); + // Character to glyphs mapping + builder.addTable('cmap', createCmapTable(newMapping.charCodeToGlyphId, + numGlyphs)); + // Font header + builder.addTable('head', + '\x00\x01\x00\x00' + // Version number + '\x00\x00\x10\x00' + // fontRevision + '\x00\x00\x00\x00' + // checksumAdjustement + '\x5F\x0F\x3C\xF5' + // magicNumber + '\x00\x00' + // Flags + safeString16(unitsPerEm) + // unitsPerEM + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date + '\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date + '\x00\x00' + // xMin + safeString16(properties.descent) + // yMin + '\x0F\xFF' + // xMax + safeString16(properties.ascent) + // yMax + string16(properties.italicAngle ? 2 : 0) + // macStyle + '\x00\x11' + // lowestRecPPEM + '\x00\x00' + // fontDirectionHint + '\x00\x00' + // indexToLocFormat + '\x00\x00'); // glyphDataFormat + + // Horizontal header + builder.addTable('hhea', + '\x00\x01\x00\x00' + // Version number + safeString16(properties.ascent) + // Typographic Ascent + safeString16(properties.descent) + // Typographic Descent + '\x00\x00' + // Line Gap + '\xFF\xFF' + // advanceWidthMax + '\x00\x00' + // minLeftSidebearing + '\x00\x00' + // minRightSidebearing + '\x00\x00' + // xMaxExtent + safeString16(properties.capHeight) + // caretSlopeRise + safeString16(Math.tan(properties.italicAngle) * + properties.xHeight) + // caretSlopeRun + '\x00\x00' + // caretOffset + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // -reserved- + '\x00\x00' + // metricDataFormat + string16(numGlyphs)); // Number of HMetrics + + // Horizontal metrics + builder.addTable('hmtx', (function fontFieldsHmtx() { + var charstrings = font.charstrings; + var cffWidths = font.cff ? font.cff.widths : null; + var hmtx = '\x00\x00\x00\x00'; // Fake .notdef + for (var i = 1, ii = numGlyphs; i < ii; i++) { + var width = 0; + if (charstrings) { + var charstring = charstrings[i - 1]; + width = 'width' in charstring ? charstring.width : 0; + } else if (cffWidths) { + width = Math.ceil(cffWidths[i] || 0); + } + hmtx += string16(width) + string16(0); + } + return hmtx; + })()); + + // Maximum profile + builder.addTable('maxp', + '\x00\x00\x50\x00' + // Version number + string16(numGlyphs)); // Num of glyphs + + // Naming tables + builder.addTable('name', createNameTable(fontName)); + + // PostScript information + builder.addTable('post', createPostTable(properties)); + + return builder.toArray(); + }, + + get spaceWidth() { + if ('_shadowWidth' in this) { + return this._shadowWidth; + } + + // trying to estimate space character width + var possibleSpaceReplacements = ['space', 'minus', 'one', 'i', 'I']; + var width; + for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) { + var glyphName = possibleSpaceReplacements[i]; + // if possible, getting width by glyph name + if (glyphName in this.widths) { + width = this.widths[glyphName]; + break; + } + var glyphsUnicodeMap = getGlyphsUnicode(); + var glyphUnicode = glyphsUnicodeMap[glyphName]; + // finding the charcode via unicodeToCID map + var charcode = 0; + if (this.composite) { + if (this.cMap.contains(glyphUnicode)) { + charcode = this.cMap.lookup(glyphUnicode); + } + } + // ... via toUnicode map + if (!charcode && this.toUnicode) { + charcode = this.toUnicode.charCodeOf(glyphUnicode); + } + // setting it to unicode if negative or undefined + if (charcode <= 0) { + charcode = glyphUnicode; + } + // trying to get width via charcode + width = this.widths[charcode]; + if (width) { + break; // the non-zero width found + } + } + width = width || this.defaultWidth; + // Do not shadow the property here. See discussion: + // https://github.com/mozilla/pdf.js/pull/2127#discussion_r1662280 + this._shadowWidth = width; + return width; + }, + + charToGlyph: function Font_charToGlyph(charcode, isSpace) { + var fontCharCode, width, operatorListId; + + var widthCode = charcode; + if (this.cMap && this.cMap.contains(charcode)) { + widthCode = this.cMap.lookup(charcode); + } + width = this.widths[widthCode]; + width = isNum(width) ? width : this.defaultWidth; + var vmetric = this.vmetrics && this.vmetrics[widthCode]; + + var unicode = this.toUnicode.get(charcode) || charcode; + if (typeof unicode === 'number') { + unicode = String.fromCharCode(unicode); + } + + var isInFont = charcode in this.toFontChar; + // First try the toFontChar map, if it's not there then try falling + // back to the char code. + fontCharCode = this.toFontChar[charcode] || charcode; + if (this.missingFile) { + fontCharCode = mapSpecialUnicodeValues(fontCharCode); + } + + if (this.isType3Font) { + // Font char code in this case is actually a glyph name. + operatorListId = fontCharCode; + } + + var accent = null; + if (this.seacMap && this.seacMap[charcode]) { + isInFont = true; + var seac = this.seacMap[charcode]; + fontCharCode = seac.baseFontCharCode; + accent = { + fontChar: String.fromCharCode(seac.accentFontCharCode), + offset: seac.accentOffset + }; + } + + var fontChar = String.fromCharCode(fontCharCode); + + var glyph = this.glyphCache[charcode]; + if (!glyph || + !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, + operatorListId, isSpace, isInFont)) { + glyph = new Glyph(fontChar, unicode, accent, width, vmetric, + operatorListId, isSpace, isInFont); + this.glyphCache[charcode] = glyph; + } + return glyph; + }, + + charsToGlyphs: function Font_charsToGlyphs(chars) { + var charsCache = this.charsCache; + var glyphs, glyph, charcode; + + // if we translated this string before, just grab it from the cache + if (charsCache) { + glyphs = charsCache[chars]; + if (glyphs) { + return glyphs; + } + } + + // lazily create the translation cache + if (!charsCache) { + charsCache = this.charsCache = Object.create(null); + } + + glyphs = []; + var charsCacheKey = chars; + var i = 0, ii; + + if (this.cMap) { + // composite fonts have multi-byte strings convert the string from + // single-byte to multi-byte + var c = Object.create(null); + while (i < chars.length) { + this.cMap.readCharCode(chars, i, c); + charcode = c.charcode; + var length = c.length; + i += length; + // Space is char with code 0x20 and length 1 in multiple-byte codes. + var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20; + glyph = this.charToGlyph(charcode, isSpace); + glyphs.push(glyph); + } + } else { + for (i = 0, ii = chars.length; i < ii; ++i) { + charcode = chars.charCodeAt(i); + glyph = this.charToGlyph(charcode, charcode === 0x20); + glyphs.push(glyph); + } + } + + // Enter the translated string into the cache + return (charsCache[charsCacheKey] = glyphs); + } + }; + + return Font; +})(); + +var ErrorFont = (function ErrorFontClosure() { + function ErrorFont(error) { + this.error = error; + this.loadedName = 'g_font_error'; + this.loading = false; + } + + ErrorFont.prototype = { + charsToGlyphs: function ErrorFont_charsToGlyphs() { + return []; + }, + exportData: function ErrorFont_exportData() { + return {error: this.error}; + } + }; + + return ErrorFont; +})(); + +/** + * Shared logic for building a char code to glyph id mapping for Type1 and + * simple CFF fonts. See section 9.6.6.2 of the spec. + * @param {Object} properties Font properties object. + * @param {Object} builtInEncoding The encoding contained within the actual font + * data. + * @param {Array} glyphNames Array of glyph names where the index is the + * glyph ID. + * @returns {Object} A char code to glyph ID map. + */ +function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) { + var charCodeToGlyphId = Object.create(null); + var glyphId, charCode, baseEncoding; + + if (properties.baseEncodingName) { + // If a valid base encoding name was used, the mapping is initialized with + // that. + baseEncoding = getEncoding(properties.baseEncodingName); + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } else if (!!(properties.flags & FontFlags.Symbolic)) { + // For a symbolic font the encoding should be the fonts built-in + // encoding. + for (charCode in builtInEncoding) { + charCodeToGlyphId[charCode] = builtInEncoding[charCode]; + } + } else { + // For non-symbolic fonts that don't have a base encoding the standard + // encoding should be used. + baseEncoding = StandardEncoding; + for (charCode = 0; charCode < baseEncoding.length; charCode++) { + glyphId = glyphNames.indexOf(baseEncoding[charCode]); + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } + + // Lastly, merge in the differences. + var differences = properties.differences, glyphsUnicodeMap; + if (differences) { + for (charCode in differences) { + var glyphName = differences[charCode]; + glyphId = glyphNames.indexOf(glyphName); + + if (glyphId === -1) { + if (!glyphsUnicodeMap) { + glyphsUnicodeMap = getGlyphsUnicode(); + } + var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap); + if (standardGlyphName !== glyphName) { + glyphId = glyphNames.indexOf(standardGlyphName); + } + } + if (glyphId >= 0) { + charCodeToGlyphId[charCode] = glyphId; + } else { + charCodeToGlyphId[charCode] = 0; // notdef + } + } + } + return charCodeToGlyphId; +} + +// Type1Font is also a CIDFontType0. +var Type1Font = (function Type1FontClosure() { + function findBlock(streamBytes, signature, startIndex) { + var streamBytesLength = streamBytes.length; + var signatureLength = signature.length; + var scanLength = streamBytesLength - signatureLength; + + var i = startIndex, j, found = false; + while (i < scanLength) { + j = 0; + while (j < signatureLength && streamBytes[i + j] === signature[j]) { + j++; + } + if (j >= signatureLength) { // `signature` found, skip over whitespace. + i += j; + while (i < streamBytesLength && isSpace(streamBytes[i])) { + i++; + } + found = true; + break; + } + i++; + } + return { + found: found, + length: i, + }; + } + + function getHeaderBlock(stream, suggestedLength) { + var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63]; + + var streamStartPos = stream.pos; // Save the initial stream position. + var headerBytes, headerBytesLength, block; + try { + headerBytes = stream.getBytes(suggestedLength); + headerBytesLength = headerBytes.length; + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + // Ignore errors if the `suggestedLength` is huge enough that a Uint8Array + // cannot hold the result of `getBytes`, and fallback to simply checking + // the entire stream (fixes issue3928.pdf). + } + + if (headerBytesLength === suggestedLength) { + // Most of the time `suggestedLength` is correct, so to speed things up we + // initially only check the last few bytes to see if the header was found. + // Otherwise we (potentially) check the entire stream to prevent errors in + // `Type1Parser` (fixes issue5686.pdf). + block = findBlock(headerBytes, EEXEC_SIGNATURE, + suggestedLength - 2 * EEXEC_SIGNATURE.length); + + if (block.found && block.length === suggestedLength) { + return { + stream: new Stream(headerBytes), + length: suggestedLength, + }; + } + } + warn('Invalid "Length1" property in Type1 font -- trying to recover.'); + stream.pos = streamStartPos; // Reset the stream position. + + var SCAN_BLOCK_LENGTH = 2048; + var actualLength; + while (true) { + var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH); + block = findBlock(scanBytes, EEXEC_SIGNATURE, 0); + + if (block.length === 0) { + break; + } + stream.pos += block.length; // Update the stream position. + + if (block.found) { + actualLength = stream.pos - streamStartPos; + break; + } + } + stream.pos = streamStartPos; // Reset the stream position. + + if (actualLength) { + return { + stream: new Stream(stream.getBytes(actualLength)), + length: actualLength, + }; + } + warn('Unable to recover "Length1" property in Type1 font -- using as is.'); + return { + stream: new Stream(stream.getBytes(suggestedLength)), + length: suggestedLength, + }; + } + + function getEexecBlock(stream, suggestedLength) { + // We should ideally parse the eexec block to ensure that `suggestedLength` + // is correct, so we don't truncate the block data if it's too small. + // However, this would also require checking if the fixed-content portion + // exists (using the 'Length3' property), and ensuring that it's valid. + // + // Given that `suggestedLength` almost always is correct, all the validation + // would require a great deal of unnecessary parsing for most fonts. + // To save time, we always fetch the entire stream instead, which also avoid + // issues if `suggestedLength` is huge (see comment in `getHeaderBlock`). + // + // NOTE: This means that the function can include the fixed-content portion + // in the returned eexec block. In practice this does *not* seem to matter, + // since `Type1Parser_extractFontProgram` will skip over any non-commands. + var eexecBytes = stream.getBytes(); + return { + stream: new Stream(eexecBytes), + length: eexecBytes.length, + }; + } + + function Type1Font(name, file, properties) { + // Some bad generators embed pfb file as is, we have to strip 6-byte header. + // Also, length1 and length2 might be off by 6 bytes as well. + // http://www.math.ubc.ca/~cass/piscript/type1.pdf + var PFB_HEADER_SIZE = 6; + var headerBlockLength = properties.length1; + var eexecBlockLength = properties.length2; + var pfbHeader = file.peekBytes(PFB_HEADER_SIZE); + var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01; + if (pfbHeaderPresent) { + file.skip(PFB_HEADER_SIZE); + headerBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | + (pfbHeader[3] << 8) | pfbHeader[2]; + } + + // Get the data block containing glyphs and subrs information + var headerBlock = getHeaderBlock(file, headerBlockLength); + headerBlockLength = headerBlock.length; + var headerBlockParser = new Type1Parser(headerBlock.stream, false, + SEAC_ANALYSIS_ENABLED); + headerBlockParser.extractFontHeader(properties); + + if (pfbHeaderPresent) { + pfbHeader = file.getBytes(PFB_HEADER_SIZE); + eexecBlockLength = (pfbHeader[5] << 24) | (pfbHeader[4] << 16) | + (pfbHeader[3] << 8) | pfbHeader[2]; + } + + // Decrypt the data blocks and retrieve it's content + var eexecBlock = getEexecBlock(file, eexecBlockLength); + eexecBlockLength = eexecBlock.length; + var eexecBlockParser = new Type1Parser(eexecBlock.stream, true, + SEAC_ANALYSIS_ENABLED); + var data = eexecBlockParser.extractFontProgram(); + for (var info in data.properties) { + properties[info] = data.properties[info]; + } + + var charstrings = data.charstrings; + var type2Charstrings = this.getType2Charstrings(charstrings); + var subrs = this.getType2Subrs(data.subrs); + + this.charstrings = charstrings; + this.data = this.wrap(name, type2Charstrings, this.charstrings, + subrs, properties); + this.seacs = this.getSeacs(data.charstrings); + } + + Type1Font.prototype = { + get numGlyphs() { + return this.charstrings.length + 1; + }, + + getCharset: function Type1Font_getCharset() { + var charset = ['.notdef']; + var charstrings = this.charstrings; + for (var glyphId = 0; glyphId < charstrings.length; glyphId++) { + charset.push(charstrings[glyphId].glyphName); + } + return charset; + }, + + getGlyphMapping: function Type1Font_getGlyphMapping(properties) { + var charstrings = this.charstrings; + var glyphNames = ['.notdef'], glyphId; + for (glyphId = 0; glyphId < charstrings.length; glyphId++) { + glyphNames.push(charstrings[glyphId].glyphName); + } + var encoding = properties.builtInEncoding; + if (encoding) { + var builtInEncoding = Object.create(null); + for (var charCode in encoding) { + glyphId = glyphNames.indexOf(encoding[charCode]); + if (glyphId >= 0) { + builtInEncoding[charCode] = glyphId; + } + } + } + + return type1FontGlyphMapping(properties, builtInEncoding, glyphNames); + }, + + getSeacs: function Type1Font_getSeacs(charstrings) { + var i, ii; + var seacMap = []; + for (i = 0, ii = charstrings.length; i < ii; i++) { + var charstring = charstrings[i]; + if (charstring.seac) { + // Offset by 1 for .notdef + seacMap[i + 1] = charstring.seac; + } + } + return seacMap; + }, + + getType2Charstrings: function Type1Font_getType2Charstrings( + type1Charstrings) { + var type2Charstrings = []; + for (var i = 0, ii = type1Charstrings.length; i < ii; i++) { + type2Charstrings.push(type1Charstrings[i].charstring); + } + return type2Charstrings; + }, + + getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) { + var bias = 0; + var count = type1Subrs.length; + if (count < 1133) { + bias = 107; + } else if (count < 33769) { + bias = 1131; + } else { + bias = 32768; + } + + // Add a bunch of empty subrs to deal with the Type2 bias + var type2Subrs = []; + var i; + for (i = 0; i < bias; i++) { + type2Subrs.push([0x0B]); + } + + for (i = 0; i < count; i++) { + type2Subrs.push(type1Subrs[i]); + } + + return type2Subrs; + }, + + wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, + properties) { + var cff = new CFF(); + cff.header = new CFFHeader(1, 0, 4, 4); + + cff.names = [name]; + + var topDict = new CFFTopDict(); + // CFF strings IDs 0...390 are predefined names, so refering + // to entries in our own String INDEX starts at SID 391. + topDict.setByName('version', 391); + topDict.setByName('Notice', 392); + topDict.setByName('FullName', 393); + topDict.setByName('FamilyName', 394); + topDict.setByName('Weight', 395); + topDict.setByName('Encoding', null); // placeholder + topDict.setByName('FontMatrix', properties.fontMatrix); + topDict.setByName('FontBBox', properties.bbox); + topDict.setByName('charset', null); // placeholder + topDict.setByName('CharStrings', null); // placeholder + topDict.setByName('Private', null); // placeholder + cff.topDict = topDict; + + var strings = new CFFStrings(); + strings.add('Version 0.11'); // Version + strings.add('See original notice'); // Notice + strings.add(name); // FullName + strings.add(name); // FamilyName + strings.add('Medium'); // Weight + cff.strings = strings; + + cff.globalSubrIndex = new CFFIndex(); + + var count = glyphs.length; + var charsetArray = [0]; + var i, ii; + for (i = 0; i < count; i++) { + var index = CFFStandardStrings.indexOf(charstrings[i].glyphName); + // TODO: Insert the string and correctly map it. Previously it was + // thought mapping names that aren't in the standard strings to .notdef + // was fine, however in issue818 when mapping them all to .notdef the + // adieresis glyph no longer worked. + if (index === -1) { + index = 0; + } + charsetArray.push((index >> 8) & 0xff, index & 0xff); + } + cff.charset = new CFFCharset(false, 0, [], charsetArray); + + var charStringsIndex = new CFFIndex(); + charStringsIndex.add([0x8B, 0x0E]); // .notdef + for (i = 0; i < count; i++) { + var glyph = glyphs[i]; + // If the CharString outline is empty, replace it with .notdef to + // prevent OTS from rejecting the font (fixes bug1252420.pdf). + if (glyph.length === 0) { + charStringsIndex.add([0x8B, 0x0E]); // .notdef + continue; + } + charStringsIndex.add(glyph); + } + cff.charStrings = charStringsIndex; + + var privateDict = new CFFPrivateDict(); + privateDict.setByName('Subrs', null); // placeholder + var fields = [ + 'BlueValues', + 'OtherBlues', + 'FamilyBlues', + 'FamilyOtherBlues', + 'StemSnapH', + 'StemSnapV', + 'BlueShift', + 'BlueFuzz', + 'BlueScale', + 'LanguageGroup', + 'ExpansionFactor', + 'ForceBold', + 'StdHW', + 'StdVW' + ]; + for (i = 0, ii = fields.length; i < ii; i++) { + var field = fields[i]; + if (!(field in properties.privateData)) { + continue; + } + var value = properties.privateData[field]; + if (isArray(value)) { + // All of the private dictionary array data in CFF must be stored as + // "delta-encoded" numbers. + for (var j = value.length - 1; j > 0; j--) { + value[j] -= value[j - 1]; // ... difference from previous value + } + } + privateDict.setByName(field, value); + } + cff.topDict.privateDict = privateDict; + + var subrIndex = new CFFIndex(); + for (i = 0, ii = subrs.length; i < ii; i++) { + subrIndex.add(subrs[i]); + } + privateDict.subrsIndex = subrIndex; + + var compiler = new CFFCompiler(cff); + return compiler.compile(); + } + }; + + return Type1Font; +})(); + +var CFFFont = (function CFFFontClosure() { + function CFFFont(file, properties) { + this.properties = properties; + + var parser = new CFFParser(file, properties, SEAC_ANALYSIS_ENABLED); + this.cff = parser.parse(); + var compiler = new CFFCompiler(this.cff); + this.seacs = this.cff.seacs; + try { + this.data = compiler.compile(); + } catch (e) { + warn('Failed to compile font ' + properties.loadedName); + // There may have just been an issue with the compiler, set the data + // anyway and hope the font loaded. + this.data = file; + } + } + + CFFFont.prototype = { + get numGlyphs() { + return this.cff.charStrings.count; + }, + getCharset: function CFFFont_getCharset() { + return this.cff.charset.charset; + }, + getGlyphMapping: function CFFFont_getGlyphMapping() { + var cff = this.cff; + var properties = this.properties; + var charsets = cff.charset.charset; + var charCodeToGlyphId; + var glyphId; + + if (properties.composite) { + charCodeToGlyphId = Object.create(null); + if (cff.isCIDFont) { + // If the font is actually a CID font then we should use the charset + // to map CIDs to GIDs. + for (glyphId = 0; glyphId < charsets.length; glyphId++) { + var cid = charsets[glyphId]; + var charCode = properties.cMap.charCodeOf(cid); + charCodeToGlyphId[charCode] = glyphId; + } + } else { + // If it is NOT actually a CID font then CIDs should be mapped + // directly to GIDs. + for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) { + charCodeToGlyphId[glyphId] = glyphId; + } + } + return charCodeToGlyphId; + } + + var encoding = cff.encoding ? cff.encoding.encoding : null; + charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets); + return charCodeToGlyphId; + } + }; + + return CFFFont; +})(); + +// Workaround for seac on Windows. +(function checkSeacSupport() { + if (typeof navigator !== 'undefined' && /Windows/.test(navigator.userAgent)) { + SEAC_ANALYSIS_ENABLED = true; + } +})(); + +// Workaround for Private Use Area characters in Chrome on Windows +// http://code.google.com/p/chromium/issues/detail?id=122465 +// https://github.com/mozilla/pdf.js/issues/1689 +(function checkChromeWindows() { + if (typeof navigator !== 'undefined' && + /Windows.*Chrome/.test(navigator.userAgent)) { + SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = true; + } +})(); + +exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED; +exports.ErrorFont = ErrorFont; +exports.Font = Font; +exports.FontFlags = FontFlags; +exports.IdentityToUnicodeMap = IdentityToUnicodeMap; +exports.ToUnicodeMap = ToUnicodeMap; +exports.getFontType = getFontType; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePsParser = {}), root.pdfjsSharedUtil, + root.pdfjsCoreParser); + } +}(this, function (exports, sharedUtil, coreParser) { + +var error = sharedUtil.error; +var isSpace = sharedUtil.isSpace; +var EOF = coreParser.EOF; + +var PostScriptParser = (function PostScriptParserClosure() { + function PostScriptParser(lexer) { + this.lexer = lexer; + this.operators = []; + this.token = null; + this.prev = null; + } + PostScriptParser.prototype = { + nextToken: function PostScriptParser_nextToken() { + this.prev = this.token; + this.token = this.lexer.getToken(); + }, + accept: function PostScriptParser_accept(type) { + if (this.token.type === type) { + this.nextToken(); + return true; + } + return false; + }, + expect: function PostScriptParser_expect(type) { + if (this.accept(type)) { + return true; + } + error('Unexpected symbol: found ' + this.token.type + ' expected ' + + type + '.'); + }, + parse: function PostScriptParser_parse() { + this.nextToken(); + this.expect(PostScriptTokenTypes.LBRACE); + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + return this.operators; + }, + parseBlock: function PostScriptParser_parseBlock() { + while (true) { + if (this.accept(PostScriptTokenTypes.NUMBER)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.OPERATOR)) { + this.operators.push(this.prev.value); + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + this.parseCondition(); + } else { + return; + } + } + }, + parseCondition: function PostScriptParser_parseCondition() { + // Add two place holders that will be updated later + var conditionLocation = this.operators.length; + this.operators.push(null, null); + + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + if (this.accept(PostScriptTokenTypes.IF)) { + // The true block is right after the 'if' so it just falls through on + // true else it jumps and skips the true block. + this.operators[conditionLocation] = this.operators.length; + this.operators[conditionLocation + 1] = 'jz'; + } else if (this.accept(PostScriptTokenTypes.LBRACE)) { + var jumpLocation = this.operators.length; + this.operators.push(null, null); + var endOfTrue = this.operators.length; + this.parseBlock(); + this.expect(PostScriptTokenTypes.RBRACE); + this.expect(PostScriptTokenTypes.IFELSE); + // The jump is added at the end of the true block to skip the false + // block. + this.operators[jumpLocation] = this.operators.length; + this.operators[jumpLocation + 1] = 'j'; + + this.operators[conditionLocation] = endOfTrue; + this.operators[conditionLocation + 1] = 'jz'; + } else { + error('PS Function: error parsing conditional.'); + } + } + }; + return PostScriptParser; +})(); + +var PostScriptTokenTypes = { + LBRACE: 0, + RBRACE: 1, + NUMBER: 2, + OPERATOR: 3, + IF: 4, + IFELSE: 5 +}; + +var PostScriptToken = (function PostScriptTokenClosure() { + function PostScriptToken(type, value) { + this.type = type; + this.value = value; + } + + var opCache = Object.create(null); + + PostScriptToken.getOperator = function PostScriptToken_getOperator(op) { + var opValue = opCache[op]; + if (opValue) { + return opValue; + } + return opCache[op] = new PostScriptToken(PostScriptTokenTypes.OPERATOR, op); + }; + + PostScriptToken.LBRACE = new PostScriptToken(PostScriptTokenTypes.LBRACE, + '{'); + PostScriptToken.RBRACE = new PostScriptToken(PostScriptTokenTypes.RBRACE, + '}'); + PostScriptToken.IF = new PostScriptToken(PostScriptTokenTypes.IF, 'IF'); + PostScriptToken.IFELSE = new PostScriptToken(PostScriptTokenTypes.IFELSE, + 'IFELSE'); + return PostScriptToken; +})(); + +var PostScriptLexer = (function PostScriptLexerClosure() { + function PostScriptLexer(stream) { + this.stream = stream; + this.nextChar(); + + this.strBuf = []; + } + PostScriptLexer.prototype = { + nextChar: function PostScriptLexer_nextChar() { + return (this.currentChar = this.stream.getByte()); + }, + getToken: function PostScriptLexer_getToken() { + var comment = false; + var ch = this.currentChar; + + // skip comments + while (true) { + if (ch < 0) { + return EOF; + } + + if (comment) { + if (ch === 0x0A || ch === 0x0D) { + comment = false; + } + } else if (ch === 0x25) { // '%' + comment = true; + } else if (!isSpace(ch)) { + break; + } + ch = this.nextChar(); + } + switch (ch | 0) { + case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: // '0'-'4' + case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: // '5'-'9' + case 0x2B: case 0x2D: case 0x2E: // '+', '-', '.' + return new PostScriptToken(PostScriptTokenTypes.NUMBER, + this.getNumber()); + case 0x7B: // '{' + this.nextChar(); + return PostScriptToken.LBRACE; + case 0x7D: // '}' + this.nextChar(); + return PostScriptToken.RBRACE; + } + // operator + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + + while ((ch = this.nextChar()) >= 0 && // and 'A'-'Z', 'a'-'z' + ((ch >= 0x41 && ch <= 0x5A) || (ch >= 0x61 && ch <= 0x7A))) { + strBuf.push(String.fromCharCode(ch)); + } + var str = strBuf.join(''); + switch (str.toLowerCase()) { + case 'if': + return PostScriptToken.IF; + case 'ifelse': + return PostScriptToken.IFELSE; + default: + return PostScriptToken.getOperator(str); + } + }, + getNumber: function PostScriptLexer_getNumber() { + var ch = this.currentChar; + var strBuf = this.strBuf; + strBuf.length = 0; + strBuf[0] = String.fromCharCode(ch); + + while ((ch = this.nextChar()) >= 0) { + if ((ch >= 0x30 && ch <= 0x39) || // '0'-'9' + ch === 0x2D || ch === 0x2E) { // '-', '.' + strBuf.push(String.fromCharCode(ch)); + } else { + break; + } + } + var value = parseFloat(strBuf.join('')); + if (isNaN(value)) { + error('Invalid floating point number: ' + value); + } + return value; + } + }; + return PostScriptLexer; +})(); + +exports.PostScriptLexer = PostScriptLexer; +exports.PostScriptParser = PostScriptParser; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreFunction = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCorePsParser); + } +}(this, function (exports, sharedUtil, corePrimitives, corePsParser) { + +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isBool = sharedUtil.isBool; +var isDict = corePrimitives.isDict; +var isStream = corePrimitives.isStream; +var PostScriptLexer = corePsParser.PostScriptLexer; +var PostScriptParser = corePsParser.PostScriptParser; + +var PDFFunction = (function PDFFunctionClosure() { + var CONSTRUCT_SAMPLED = 0; + var CONSTRUCT_INTERPOLATED = 2; + var CONSTRUCT_STICHED = 3; + var CONSTRUCT_POSTSCRIPT = 4; + + return { + getSampleArray: function PDFFunction_getSampleArray(size, outputSize, bps, + str) { + var i, ii; + var length = 1; + for (i = 0, ii = size.length; i < ii; i++) { + length *= size[i]; + } + length *= outputSize; + + var array = new Array(length); + var codeSize = 0; + var codeBuf = 0; + // 32 is a valid bps so shifting won't work + var sampleMul = 1.0 / (Math.pow(2.0, bps) - 1); + + var strBytes = str.getBytes((length * bps + 7) / 8); + var strIdx = 0; + for (i = 0; i < length; i++) { + while (codeSize < bps) { + codeBuf <<= 8; + codeBuf |= strBytes[strIdx++]; + codeSize += 8; + } + codeSize -= bps; + array[i] = (codeBuf >> codeSize) * sampleMul; + codeBuf &= (1 << codeSize) - 1; + } + return array; + }, + + getIR: function PDFFunction_getIR(xref, fn) { + var dict = fn.dict; + if (!dict) { + dict = fn; + } + + var types = [this.constructSampled, + null, + this.constructInterpolated, + this.constructStiched, + this.constructPostScript]; + + var typeNum = dict.get('FunctionType'); + var typeFn = types[typeNum]; + if (!typeFn) { + error('Unknown type of function'); + } + + return typeFn.call(this, fn, dict, xref); + }, + + fromIR: function PDFFunction_fromIR(IR) { + var type = IR[0]; + switch (type) { + case CONSTRUCT_SAMPLED: + return this.constructSampledFromIR(IR); + case CONSTRUCT_INTERPOLATED: + return this.constructInterpolatedFromIR(IR); + case CONSTRUCT_STICHED: + return this.constructStichedFromIR(IR); + //case CONSTRUCT_POSTSCRIPT: + default: + return this.constructPostScriptFromIR(IR); + } + }, + + parse: function PDFFunction_parse(xref, fn) { + var IR = this.getIR(xref, fn); + return this.fromIR(IR); + }, + + parseArray: function PDFFunction_parseArray(xref, fnObj) { + if (!isArray(fnObj)) { + // not an array -- parsing as regular function + return this.parse(xref, fnObj); + } + + var fnArray = []; + for (var j = 0, jj = fnObj.length; j < jj; j++) { + var obj = xref.fetchIfRef(fnObj[j]); + fnArray.push(PDFFunction.parse(xref, obj)); + } + return function (src, srcOffset, dest, destOffset) { + for (var i = 0, ii = fnArray.length; i < ii; i++) { + fnArray[i](src, srcOffset, dest, destOffset + i); + } + }; + }, + + constructSampled: function PDFFunction_constructSampled(str, dict) { + function toMultiArray(arr) { + var inputLength = arr.length; + var out = []; + var index = 0; + for (var i = 0; i < inputLength; i += 2) { + out[index] = [arr[i], arr[i + 1]]; + ++index; + } + return out; + } + var domain = dict.getArray('Domain'); + var range = dict.getArray('Range'); + + if (!domain || !range) { + error('No domain or range'); + } + + var inputSize = domain.length / 2; + var outputSize = range.length / 2; + + domain = toMultiArray(domain); + range = toMultiArray(range); + + var size = dict.get('Size'); + var bps = dict.get('BitsPerSample'); + var order = dict.get('Order') || 1; + if (order !== 1) { + // No description how cubic spline interpolation works in PDF32000:2008 + // As in poppler, ignoring order, linear interpolation may work as good + info('No support for cubic spline interpolation: ' + order); + } + + var encode = dict.getArray('Encode'); + if (!encode) { + encode = []; + for (var i = 0; i < inputSize; ++i) { + encode.push(0); + encode.push(size[i] - 1); + } + } + encode = toMultiArray(encode); + + var decode = dict.getArray('Decode'); + if (!decode) { + decode = range; + } else { + decode = toMultiArray(decode); + } + + var samples = this.getSampleArray(size, outputSize, bps, str); + + return [ + CONSTRUCT_SAMPLED, inputSize, domain, encode, decode, samples, size, + outputSize, Math.pow(2, bps) - 1, range + ]; + }, + + constructSampledFromIR: function PDFFunction_constructSampledFromIR(IR) { + // See chapter 3, page 109 of the PDF reference + function interpolate(x, xmin, xmax, ymin, ymax) { + return ymin + ((x - xmin) * ((ymax - ymin) / (xmax - xmin))); + } + + return function constructSampledFromIRResult(src, srcOffset, + dest, destOffset) { + // See chapter 3, page 110 of the PDF reference. + var m = IR[1]; + var domain = IR[2]; + var encode = IR[3]; + var decode = IR[4]; + var samples = IR[5]; + var size = IR[6]; + var n = IR[7]; + //var mask = IR[8]; + var range = IR[9]; + + // Building the cube vertices: its part and sample index + // http://rjwagner49.com/Mathematics/Interpolation.pdf + var cubeVertices = 1 << m; + var cubeN = new Float64Array(cubeVertices); + var cubeVertex = new Uint32Array(cubeVertices); + var i, j; + for (j = 0; j < cubeVertices; j++) { + cubeN[j] = 1; + } + + var k = n, pos = 1; + // Map x_i to y_j for 0 <= i < m using the sampled function. + for (i = 0; i < m; ++i) { + // x_i' = min(max(x_i, Domain_2i), Domain_2i+1) + var domain_2i = domain[i][0]; + var domain_2i_1 = domain[i][1]; + var xi = Math.min(Math.max(src[srcOffset +i], domain_2i), + domain_2i_1); + + // e_i = Interpolate(x_i', Domain_2i, Domain_2i+1, + // Encode_2i, Encode_2i+1) + var e = interpolate(xi, domain_2i, domain_2i_1, + encode[i][0], encode[i][1]); + + // e_i' = min(max(e_i, 0), Size_i - 1) + var size_i = size[i]; + e = Math.min(Math.max(e, 0), size_i - 1); + + // Adjusting the cube: N and vertex sample index + var e0 = e < size_i - 1 ? Math.floor(e) : e - 1; // e1 = e0 + 1; + var n0 = e0 + 1 - e; // (e1 - e) / (e1 - e0); + var n1 = e - e0; // (e - e0) / (e1 - e0); + var offset0 = e0 * k; + var offset1 = offset0 + k; // e1 * k + for (j = 0; j < cubeVertices; j++) { + if (j & pos) { + cubeN[j] *= n1; + cubeVertex[j] += offset1; + } else { + cubeN[j] *= n0; + cubeVertex[j] += offset0; + } + } + + k *= size_i; + pos <<= 1; + } + + for (j = 0; j < n; ++j) { + // Sum all cube vertices' samples portions + var rj = 0; + for (i = 0; i < cubeVertices; i++) { + rj += samples[cubeVertex[i] + j] * cubeN[i]; + } + + // r_j' = Interpolate(r_j, 0, 2^BitsPerSample - 1, + // Decode_2j, Decode_2j+1) + rj = interpolate(rj, 0, 1, decode[j][0], decode[j][1]); + + // y_j = min(max(r_j, range_2j), range_2j+1) + dest[destOffset + j] = Math.min(Math.max(rj, range[j][0]), + range[j][1]); + } + }; + }, + + constructInterpolated: function PDFFunction_constructInterpolated(str, + dict) { + var c0 = dict.getArray('C0') || [0]; + var c1 = dict.getArray('C1') || [1]; + var n = dict.get('N'); + + if (!isArray(c0) || !isArray(c1)) { + error('Illegal dictionary for interpolated function'); + } + + var length = c0.length; + var diff = []; + for (var i = 0; i < length; ++i) { + diff.push(c1[i] - c0[i]); + } + + return [CONSTRUCT_INTERPOLATED, c0, diff, n]; + }, + + constructInterpolatedFromIR: + function PDFFunction_constructInterpolatedFromIR(IR) { + var c0 = IR[1]; + var diff = IR[2]; + var n = IR[3]; + + var length = diff.length; + + return function constructInterpolatedFromIRResult(src, srcOffset, + dest, destOffset) { + var x = n === 1 ? src[srcOffset] : Math.pow(src[srcOffset], n); + + for (var j = 0; j < length; ++j) { + dest[destOffset + j] = c0[j] + (x * diff[j]); + } + }; + }, + + constructStiched: function PDFFunction_constructStiched(fn, dict, xref) { + var domain = dict.getArray('Domain'); + + if (!domain) { + error('No domain'); + } + + var inputSize = domain.length / 2; + if (inputSize !== 1) { + error('Bad domain for stiched function'); + } + + var fnRefs = dict.get('Functions'); + var fns = []; + for (var i = 0, ii = fnRefs.length; i < ii; ++i) { + fns.push(PDFFunction.getIR(xref, xref.fetchIfRef(fnRefs[i]))); + } + + var bounds = dict.getArray('Bounds'); + var encode = dict.getArray('Encode'); + + return [CONSTRUCT_STICHED, domain, bounds, encode, fns]; + }, + + constructStichedFromIR: function PDFFunction_constructStichedFromIR(IR) { + var domain = IR[1]; + var bounds = IR[2]; + var encode = IR[3]; + var fnsIR = IR[4]; + var fns = []; + var tmpBuf = new Float32Array(1); + + for (var i = 0, ii = fnsIR.length; i < ii; i++) { + fns.push(PDFFunction.fromIR(fnsIR[i])); + } + + return function constructStichedFromIRResult(src, srcOffset, + dest, destOffset) { + var clip = function constructStichedFromIRClip(v, min, max) { + if (v > max) { + v = max; + } else if (v < min) { + v = min; + } + return v; + }; + + // clip to domain + var v = clip(src[srcOffset], domain[0], domain[1]); + // calculate which bound the value is in + for (var i = 0, ii = bounds.length; i < ii; ++i) { + if (v < bounds[i]) { + break; + } + } + + // encode value into domain of function + var dmin = domain[0]; + if (i > 0) { + dmin = bounds[i - 1]; + } + var dmax = domain[1]; + if (i < bounds.length) { + dmax = bounds[i]; + } + + var rmin = encode[2 * i]; + var rmax = encode[2 * i + 1]; + + // Prevent the value from becoming NaN as a result + // of division by zero (fixes issue6113.pdf). + tmpBuf[0] = dmin === dmax ? rmin : + rmin + (v - dmin) * (rmax - rmin) / (dmax - dmin); + + // call the appropriate function + fns[i](tmpBuf, 0, dest, destOffset); + }; + }, + + constructPostScript: function PDFFunction_constructPostScript(fn, dict, + xref) { + var domain = dict.getArray('Domain'); + var range = dict.getArray('Range'); + + if (!domain) { + error('No domain.'); + } + + if (!range) { + error('No range.'); + } + + var lexer = new PostScriptLexer(fn); + var parser = new PostScriptParser(lexer); + var code = parser.parse(); + + return [CONSTRUCT_POSTSCRIPT, domain, range, code]; + }, + + constructPostScriptFromIR: function PDFFunction_constructPostScriptFromIR( + IR) { + var domain = IR[1]; + var range = IR[2]; + var code = IR[3]; + + var compiled = (new PostScriptCompiler()).compile(code, domain, range); + if (compiled) { + // Compiled function consists of simple expressions such as addition, + // subtraction, Math.max, and also contains 'var' and 'return' + // statements. See the generation in the PostScriptCompiler below. + /*jshint -W054 */ + return new Function('src', 'srcOffset', 'dest', 'destOffset', compiled); + } + + info('Unable to compile PS function'); + + var numOutputs = range.length >> 1; + var numInputs = domain.length >> 1; + var evaluator = new PostScriptEvaluator(code); + // Cache the values for a big speed up, the cache size is limited though + // since the number of possible values can be huge from a PS function. + var cache = Object.create(null); + // The MAX_CACHE_SIZE is set to ~4x the maximum number of distinct values + // seen in our tests. + var MAX_CACHE_SIZE = 2048 * 4; + var cache_available = MAX_CACHE_SIZE; + var tmpBuf = new Float32Array(numInputs); + + return function constructPostScriptFromIRResult(src, srcOffset, + dest, destOffset) { + var i, value; + var key = ''; + var input = tmpBuf; + for (i = 0; i < numInputs; i++) { + value = src[srcOffset + i]; + input[i] = value; + key += value + '_'; + } + + var cachedValue = cache[key]; + if (cachedValue !== undefined) { + dest.set(cachedValue, destOffset); + return; + } + + var output = new Float32Array(numOutputs); + var stack = evaluator.execute(input); + var stackIndex = stack.length - numOutputs; + for (i = 0; i < numOutputs; i++) { + value = stack[stackIndex + i]; + var bound = range[i * 2]; + if (value < bound) { + value = bound; + } else { + bound = range[i * 2 +1]; + if (value > bound) { + value = bound; + } + } + output[i] = value; + } + if (cache_available > 0) { + cache_available--; + cache[key] = output; + } + dest.set(output, destOffset); + }; + } + }; +})(); + +function isPDFFunction(v) { + var fnDict; + if (typeof v !== 'object') { + return false; + } else if (isDict(v)) { + fnDict = v; + } else if (isStream(v)) { + fnDict = v.dict; + } else { + return false; + } + return fnDict.has('FunctionType'); +} + +var PostScriptStack = (function PostScriptStackClosure() { + var MAX_STACK_SIZE = 100; + function PostScriptStack(initialStack) { + this.stack = !initialStack ? [] : + Array.prototype.slice.call(initialStack, 0); + } + + PostScriptStack.prototype = { + push: function PostScriptStack_push(value) { + if (this.stack.length >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + this.stack.push(value); + }, + pop: function PostScriptStack_pop() { + if (this.stack.length <= 0) { + error('PostScript function stack underflow.'); + } + return this.stack.pop(); + }, + copy: function PostScriptStack_copy(n) { + if (this.stack.length + n >= MAX_STACK_SIZE) { + error('PostScript function stack overflow.'); + } + var stack = this.stack; + for (var i = stack.length - n, j = n - 1; j >= 0; j--, i++) { + stack.push(stack[i]); + } + }, + index: function PostScriptStack_index(n) { + this.push(this.stack[this.stack.length - n - 1]); + }, + // rotate the last n stack elements p times + roll: function PostScriptStack_roll(n, p) { + var stack = this.stack; + var l = stack.length - n; + var r = stack.length - 1, c = l + (p - Math.floor(p / n) * n), i, j, t; + for (i = l, j = r; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + for (i = l, j = c - 1; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + for (i = c, j = r; i < j; i++, j--) { + t = stack[i]; stack[i] = stack[j]; stack[j] = t; + } + } + }; + return PostScriptStack; +})(); +var PostScriptEvaluator = (function PostScriptEvaluatorClosure() { + function PostScriptEvaluator(operators) { + this.operators = operators; + } + PostScriptEvaluator.prototype = { + execute: function PostScriptEvaluator_execute(initialStack) { + var stack = new PostScriptStack(initialStack); + var counter = 0; + var operators = this.operators; + var length = operators.length; + var operator, a, b; + while (counter < length) { + operator = operators[counter++]; + if (typeof operator === 'number') { + // Operator is really an operand and should be pushed to the stack. + stack.push(operator); + continue; + } + switch (operator) { + // non standard ps operators + case 'jz': // jump if false + b = stack.pop(); + a = stack.pop(); + if (!a) { + counter = b; + } + break; + case 'j': // jump + a = stack.pop(); + counter = a; + break; + + // all ps operators in alphabetical order (excluding if/ifelse) + case 'abs': + a = stack.pop(); + stack.push(Math.abs(a)); + break; + case 'add': + b = stack.pop(); + a = stack.pop(); + stack.push(a + b); + break; + case 'and': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a && b); + } else { + stack.push(a & b); + } + break; + case 'atan': + a = stack.pop(); + stack.push(Math.atan(a)); + break; + case 'bitshift': + b = stack.pop(); + a = stack.pop(); + if (a > 0) { + stack.push(a << b); + } else { + stack.push(a >> b); + } + break; + case 'ceiling': + a = stack.pop(); + stack.push(Math.ceil(a)); + break; + case 'copy': + a = stack.pop(); + stack.copy(a); + break; + case 'cos': + a = stack.pop(); + stack.push(Math.cos(a)); + break; + case 'cvi': + a = stack.pop() | 0; + stack.push(a); + break; + case 'cvr': + // noop + break; + case 'div': + b = stack.pop(); + a = stack.pop(); + stack.push(a / b); + break; + case 'dup': + stack.copy(1); + break; + case 'eq': + b = stack.pop(); + a = stack.pop(); + stack.push(a === b); + break; + case 'exch': + stack.roll(2, 1); + break; + case 'exp': + b = stack.pop(); + a = stack.pop(); + stack.push(Math.pow(a, b)); + break; + case 'false': + stack.push(false); + break; + case 'floor': + a = stack.pop(); + stack.push(Math.floor(a)); + break; + case 'ge': + b = stack.pop(); + a = stack.pop(); + stack.push(a >= b); + break; + case 'gt': + b = stack.pop(); + a = stack.pop(); + stack.push(a > b); + break; + case 'idiv': + b = stack.pop(); + a = stack.pop(); + stack.push((a / b) | 0); + break; + case 'index': + a = stack.pop(); + stack.index(a); + break; + case 'le': + b = stack.pop(); + a = stack.pop(); + stack.push(a <= b); + break; + case 'ln': + a = stack.pop(); + stack.push(Math.log(a)); + break; + case 'log': + a = stack.pop(); + stack.push(Math.log(a) / Math.LN10); + break; + case 'lt': + b = stack.pop(); + a = stack.pop(); + stack.push(a < b); + break; + case 'mod': + b = stack.pop(); + a = stack.pop(); + stack.push(a % b); + break; + case 'mul': + b = stack.pop(); + a = stack.pop(); + stack.push(a * b); + break; + case 'ne': + b = stack.pop(); + a = stack.pop(); + stack.push(a !== b); + break; + case 'neg': + a = stack.pop(); + stack.push(-a); + break; + case 'not': + a = stack.pop(); + if (isBool(a)) { + stack.push(!a); + } else { + stack.push(~a); + } + break; + case 'or': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a || b); + } else { + stack.push(a | b); + } + break; + case 'pop': + stack.pop(); + break; + case 'roll': + b = stack.pop(); + a = stack.pop(); + stack.roll(a, b); + break; + case 'round': + a = stack.pop(); + stack.push(Math.round(a)); + break; + case 'sin': + a = stack.pop(); + stack.push(Math.sin(a)); + break; + case 'sqrt': + a = stack.pop(); + stack.push(Math.sqrt(a)); + break; + case 'sub': + b = stack.pop(); + a = stack.pop(); + stack.push(a - b); + break; + case 'true': + stack.push(true); + break; + case 'truncate': + a = stack.pop(); + a = a < 0 ? Math.ceil(a) : Math.floor(a); + stack.push(a); + break; + case 'xor': + b = stack.pop(); + a = stack.pop(); + if (isBool(a) && isBool(b)) { + stack.push(a !== b); + } else { + stack.push(a ^ b); + } + break; + default: + error('Unknown operator ' + operator); + break; + } + } + return stack.stack; + } + }; + return PostScriptEvaluator; +})(); + +// Most of the PDFs functions consist of simple operations such as: +// roll, exch, sub, cvr, pop, index, dup, mul, if, gt, add. +// +// We can compile most of such programs, and at the same moment, we can +// optimize some expressions using basic math properties. Keeping track of +// min/max values will allow us to avoid extra Math.min/Math.max calls. +var PostScriptCompiler = (function PostScriptCompilerClosure() { + function AstNode(type) { + this.type = type; + } + AstNode.prototype.visit = function (visitor) { + throw new Error('abstract method'); + }; + + function AstArgument(index, min, max) { + AstNode.call(this, 'args'); + this.index = index; + this.min = min; + this.max = max; + } + AstArgument.prototype = Object.create(AstNode.prototype); + AstArgument.prototype.visit = function (visitor) { + visitor.visitArgument(this); + }; + + function AstLiteral(number) { + AstNode.call(this, 'literal'); + this.number = number; + this.min = number; + this.max = number; + } + AstLiteral.prototype = Object.create(AstNode.prototype); + AstLiteral.prototype.visit = function (visitor) { + visitor.visitLiteral(this); + }; + + function AstBinaryOperation(op, arg1, arg2, min, max) { + AstNode.call(this, 'binary'); + this.op = op; + this.arg1 = arg1; + this.arg2 = arg2; + this.min = min; + this.max = max; + } + AstBinaryOperation.prototype = Object.create(AstNode.prototype); + AstBinaryOperation.prototype.visit = function (visitor) { + visitor.visitBinaryOperation(this); + }; + + function AstMin(arg, max) { + AstNode.call(this, 'max'); + this.arg = arg; + this.min = arg.min; + this.max = max; + } + AstMin.prototype = Object.create(AstNode.prototype); + AstMin.prototype.visit = function (visitor) { + visitor.visitMin(this); + }; + + function AstVariable(index, min, max) { + AstNode.call(this, 'var'); + this.index = index; + this.min = min; + this.max = max; + } + AstVariable.prototype = Object.create(AstNode.prototype); + AstVariable.prototype.visit = function (visitor) { + visitor.visitVariable(this); + }; + + function AstVariableDefinition(variable, arg) { + AstNode.call(this, 'definition'); + this.variable = variable; + this.arg = arg; + } + AstVariableDefinition.prototype = Object.create(AstNode.prototype); + AstVariableDefinition.prototype.visit = function (visitor) { + visitor.visitVariableDefinition(this); + }; + + function ExpressionBuilderVisitor() { + this.parts = []; + } + ExpressionBuilderVisitor.prototype = { + visitArgument: function (arg) { + this.parts.push('Math.max(', arg.min, ', Math.min(', + arg.max, ', src[srcOffset + ', arg.index, ']))'); + }, + visitVariable: function (variable) { + this.parts.push('v', variable.index); + }, + visitLiteral: function (literal) { + this.parts.push(literal.number); + }, + visitBinaryOperation: function (operation) { + this.parts.push('('); + operation.arg1.visit(this); + this.parts.push(' ', operation.op, ' '); + operation.arg2.visit(this); + this.parts.push(')'); + }, + visitVariableDefinition: function (definition) { + this.parts.push('var '); + definition.variable.visit(this); + this.parts.push(' = '); + definition.arg.visit(this); + this.parts.push(';'); + }, + visitMin: function (max) { + this.parts.push('Math.min('); + max.arg.visit(this); + this.parts.push(', ', max.max, ')'); + }, + toString: function () { + return this.parts.join(''); + } + }; + + function buildAddOperation(num1, num2) { + if (num2.type === 'literal' && num2.number === 0) { + // optimization: second operand is 0 + return num1; + } + if (num1.type === 'literal' && num1.number === 0) { + // optimization: first operand is 0 + return num2; + } + if (num2.type === 'literal' && num1.type === 'literal') { + // optimization: operands operand are literals + return new AstLiteral(num1.number + num2.number); + } + return new AstBinaryOperation('+', num1, num2, + num1.min + num2.min, num1.max + num2.max); + } + + function buildMulOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return new AstLiteral(0); // and it's 0 + } else if (num2.number === 1) { + return num1; // and it's 1 + } else if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number * num2.number); + } + } + if (num1.type === 'literal') { + // optimization: first operands is a literal... + if (num1.number === 0) { + return new AstLiteral(0); // and it's 0 + } else if (num1.number === 1) { + return num2; // and it's 1 + } + } + var min = Math.min(num1.min * num2.min, num1.min * num2.max, + num1.max * num2.min, num1.max * num2.max); + var max = Math.max(num1.min * num2.min, num1.min * num2.max, + num1.max * num2.min, num1.max * num2.max); + return new AstBinaryOperation('*', num1, num2, min, max); + } + + function buildSubOperation(num1, num2) { + if (num2.type === 'literal') { + // optimization: second operands is a literal... + if (num2.number === 0) { + return num1; // ... and it's 0 + } else if (num1.type === 'literal') { + // ... and first operands is a literal too + return new AstLiteral(num1.number - num2.number); + } + } + if (num2.type === 'binary' && num2.op === '-' && + num1.type === 'literal' && num1.number === 1 && + num2.arg1.type === 'literal' && num2.arg1.number === 1) { + // optimization for case: 1 - (1 - x) + return num2.arg2; + } + return new AstBinaryOperation('-', num1, num2, + num1.min - num2.max, num1.max - num2.min); + } + + function buildMinOperation(num1, max) { + if (num1.min >= max) { + // optimization: num1 min value is not less than required max + return new AstLiteral(max); // just returning max + } else if (num1.max <= max) { + // optimization: num1 max value is not greater than required max + return num1; // just returning an argument + } + return new AstMin(num1, max); + } + + function PostScriptCompiler() {} + PostScriptCompiler.prototype = { + compile: function PostScriptCompiler_compile(code, domain, range) { + var stack = []; + var i, ii; + var instructions = []; + var inputSize = domain.length >> 1, outputSize = range.length >> 1; + var lastRegister = 0; + var n, j; + var num1, num2, ast1, ast2, tmpVar, item; + for (i = 0; i < inputSize; i++) { + stack.push(new AstArgument(i, domain[i * 2], domain[i * 2 + 1])); + } + + for (i = 0, ii = code.length; i < ii; i++) { + item = code[i]; + if (typeof item === 'number') { + stack.push(new AstLiteral(item)); + continue; + } + + switch (item) { + case 'add': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildAddOperation(num1, num2)); + break; + case 'cvr': + if (stack.length < 1) { + return null; + } + break; + case 'mul': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildMulOperation(num1, num2)); + break; + case 'sub': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + stack.push(buildSubOperation(num1, num2)); + break; + case 'exch': + if (stack.length < 2) { + return null; + } + ast1 = stack.pop(); ast2 = stack.pop(); + stack.push(ast1, ast2); + break; + case 'pop': + if (stack.length < 1) { + return null; + } + stack.pop(); + break; + case 'index': + if (stack.length < 1) { + return null; + } + num1 = stack.pop(); + if (num1.type !== 'literal') { + return null; + } + n = num1.number; + if (n < 0 || (n|0) !== n || stack.length < n) { + return null; + } + ast1 = stack[stack.length - n - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - n - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'dup': + if (stack.length < 1) { + return null; + } + if (typeof code[i + 1] === 'number' && code[i + 2] === 'gt' && + code[i + 3] === i + 7 && code[i + 4] === 'jz' && + code[i + 5] === 'pop' && code[i + 6] === code[i + 1]) { + // special case of the commands sequence for the min operation + num1 = stack.pop(); + stack.push(buildMinOperation(num1, code[i + 1])); + i += 6; + break; + } + ast1 = stack[stack.length - 1]; + if (ast1.type === 'literal' || ast1.type === 'var') { + // we don't have to save into intermediate variable a literal or + // variable. + stack.push(ast1); + break; + } + tmpVar = new AstVariable(lastRegister++, ast1.min, ast1.max); + stack[stack.length - 1] = tmpVar; + stack.push(tmpVar); + instructions.push(new AstVariableDefinition(tmpVar, ast1)); + break; + case 'roll': + if (stack.length < 2) { + return null; + } + num2 = stack.pop(); + num1 = stack.pop(); + if (num2.type !== 'literal' || num1.type !== 'literal') { + // both roll operands must be numbers + return null; + } + j = num2.number; + n = num1.number; + if (n <= 0 || (n|0) !== n || (j|0) !== j || stack.length < n) { + // ... and integers + return null; + } + j = ((j % n) + n) % n; + if (j === 0) { + break; // just skipping -- there are nothing to rotate + } + Array.prototype.push.apply(stack, + stack.splice(stack.length - n, n - j)); + break; + default: + return null; // unsupported operator + } + } + + if (stack.length !== outputSize) { + return null; + } + + var result = []; + instructions.forEach(function (instruction) { + var statementBuilder = new ExpressionBuilderVisitor(); + instruction.visit(statementBuilder); + result.push(statementBuilder.toString()); + }); + stack.forEach(function (expr, i) { + var statementBuilder = new ExpressionBuilderVisitor(); + expr.visit(statementBuilder); + var min = range[i * 2], max = range[i * 2 + 1]; + var out = [statementBuilder.toString()]; + if (min > expr.min) { + out.unshift('Math.max(', min, ', '); + out.push(')'); + } + if (max < expr.max) { + out.unshift('Math.min(', max, ', '); + out.push(')'); + } + out.unshift('dest[destOffset + ', i, '] = '); + out.push(';'); + result.push(out.join('')); + }); + return result.join('\n'); + } + }; + + return PostScriptCompiler; +})(); + +exports.isPDFFunction = isPDFFunction; +exports.PDFFunction = PDFFunction; +exports.PostScriptEvaluator = PostScriptEvaluator; +exports.PostScriptCompiler = PostScriptCompiler; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreColorSpace = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreFunction); + } +}(this, function (exports, sharedUtil, corePrimitives, coreFunction) { + +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var warn = sharedUtil.warn; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isStream = corePrimitives.isStream; +var PDFFunction = coreFunction.PDFFunction; + +var ColorSpace = (function ColorSpaceClosure() { + /** + * Resizes an RGB image with 3 components. + * @param {TypedArray} src - The source buffer. + * @param {Number} bpc - Number of bits per component. + * @param {Number} w1 - Original width. + * @param {Number} h1 - Original height. + * @param {Number} w2 - New width. + * @param {Number} h2 - New height. + * @param {Number} alpha01 - Size reserved for the alpha channel. + * @param {TypedArray} dest - The destination buffer. + */ + function resizeRgbImage(src, bpc, w1, h1, w2, h2, alpha01, dest) { + var COMPONENTS = 3; + alpha01 = alpha01 !== 1 ? 0 : alpha01; + var xRatio = w1 / w2; + var yRatio = h1 / h2; + var i, j, py, newIndex = 0, oldIndex; + var xScaled = new Uint16Array(w2); + var w1Scanline = w1 * COMPONENTS; + + for (i = 0; i < w2; i++) { + xScaled[i] = Math.floor(i * xRatio) * COMPONENTS; + } + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + dest[newIndex++] = src[oldIndex++]; + dest[newIndex++] = src[oldIndex++]; + dest[newIndex++] = src[oldIndex++]; + newIndex += alpha01; + } + } + } + + // Constructor should define this.numComps, this.defaultColor, this.name + function ColorSpace() { + error('should not call ColorSpace constructor'); + } + + ColorSpace.prototype = { + /** + * Converts the color value to the RGB color. The color components are + * located in the src array starting from the srcOffset. Returns the array + * of the rgb components, each value ranging from [0,255]. + */ + getRgb: function ColorSpace_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + /** + * Converts the color value to the RGB color, similar to the getRgb method. + * The result placed into the dest array starting from the destOffset. + */ + getRgbItem: function ColorSpace_getRgbItem(src, srcOffset, + dest, destOffset) { + error('Should not call ColorSpace.getRgbItem'); + }, + /** + * Converts the specified number of the color values to the RGB colors. + * The colors are located in the src array starting from the srcOffset. + * The result is placed into the dest array starting from the destOffset. + * The src array items shall be in [0,2^bits) range, the dest array items + * will be in [0,255] range. alpha01 indicates how many alpha components + * there are in the dest array; it will be either 0 (RGB array) or 1 (RGBA + * array). + */ + getRgbBuffer: function ColorSpace_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + error('Should not call ColorSpace.getRgbBuffer'); + }, + /** + * Determines the number of bytes required to store the result of the + * conversion done by the getRgbBuffer method. As in getRgbBuffer, + * |alpha01| is either 0 (RGB output) or 1 (RGBA output). + */ + getOutputLength: function ColorSpace_getOutputLength(inputLength, + alpha01) { + error('Should not call ColorSpace.getOutputLength'); + }, + /** + * Returns true if source data will be equal the result/output data. + */ + isPassthrough: function ColorSpace_isPassthrough(bits) { + return false; + }, + /** + * Fills in the RGB colors in the destination buffer. alpha01 indicates + * how many alpha components there are in the dest array; it will be either + * 0 (RGB array) or 1 (RGBA array). + */ + fillRgb: function ColorSpace_fillRgb(dest, originalWidth, + originalHeight, width, height, + actualHeight, bpc, comps, alpha01) { + var count = originalWidth * originalHeight; + var rgbBuf = null; + var numComponentColors = 1 << bpc; + var needsResizing = originalHeight !== height || originalWidth !== width; + var i, ii; + + if (this.isPassthrough(bpc)) { + rgbBuf = comps; + } else if (this.numComps === 1 && count > numComponentColors && + this.name !== 'DeviceGray' && this.name !== 'DeviceRGB') { + // Optimization: create a color map when there is just one component and + // we are converting more colors than the size of the color map. We + // don't build the map if the colorspace is gray or rgb since those + // methods are faster than building a map. This mainly offers big speed + // ups for indexed and alternate colorspaces. + // + // TODO it may be worth while to cache the color map. While running + // testing I never hit a cache so I will leave that out for now (perhaps + // we are reparsing colorspaces too much?). + var allColors = bpc <= 8 ? new Uint8Array(numComponentColors) : + new Uint16Array(numComponentColors); + var key; + for (i = 0; i < numComponentColors; i++) { + allColors[i] = i; + } + var colorMap = new Uint8Array(numComponentColors * 3); + this.getRgbBuffer(allColors, 0, numComponentColors, colorMap, 0, bpc, + /* alpha01 = */ 0); + + var destPos, rgbPos; + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + destPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + dest[destPos++] = colorMap[key]; + dest[destPos++] = colorMap[key + 1]; + dest[destPos++] = colorMap[key + 2]; + destPos += alpha01; + } + } else { + rgbBuf = new Uint8Array(count * 3); + rgbPos = 0; + for (i = 0; i < count; ++i) { + key = comps[i] * 3; + rgbBuf[rgbPos++] = colorMap[key]; + rgbBuf[rgbPos++] = colorMap[key + 1]; + rgbBuf[rgbPos++] = colorMap[key + 2]; + } + } + } else { + if (!needsResizing) { + // Fill in the RGB values directly into |dest|. + this.getRgbBuffer(comps, 0, width * actualHeight, dest, 0, bpc, + alpha01); + } else { + rgbBuf = new Uint8Array(count * 3); + this.getRgbBuffer(comps, 0, count, rgbBuf, 0, bpc, + /* alpha01 = */ 0); + } + } + + if (rgbBuf) { + if (needsResizing) { + resizeRgbImage(rgbBuf, bpc, originalWidth, originalHeight, + width, height, alpha01, dest); + } else { + rgbPos = 0; + destPos = 0; + for (i = 0, ii = width * actualHeight; i < ii; i++) { + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + dest[destPos++] = rgbBuf[rgbPos++]; + destPos += alpha01; + } + } + } + }, + /** + * True if the colorspace has components in the default range of [0, 1]. + * This should be true for all colorspaces except for lab color spaces + * which are [0,100], [-128, 127], [-128, 127]. + */ + usesZeroToOneRange: true + }; + + ColorSpace.parse = function ColorSpace_parse(cs, xref, res) { + var IR = ColorSpace.parseToIR(cs, xref, res); + if (IR instanceof AlternateCS) { + return IR; + } + return ColorSpace.fromIR(IR); + }; + + ColorSpace.fromIR = function ColorSpace_fromIR(IR) { + var name = isArray(IR) ? IR[0] : IR; + var whitePoint, blackPoint, gamma; + + switch (name) { + case 'DeviceGrayCS': + return this.singletons.gray; + case 'DeviceRgbCS': + return this.singletons.rgb; + case 'DeviceCmykCS': + return this.singletons.cmyk; + case 'CalGrayCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + gamma = IR[3]; + return new CalGrayCS(whitePoint, blackPoint, gamma); + case 'CalRGBCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + gamma = IR[3]; + var matrix = IR[4]; + return new CalRGBCS(whitePoint, blackPoint, gamma, matrix); + case 'PatternCS': + var basePatternCS = IR[1]; + if (basePatternCS) { + basePatternCS = ColorSpace.fromIR(basePatternCS); + } + return new PatternCS(basePatternCS); + case 'IndexedCS': + var baseIndexedCS = IR[1]; + var hiVal = IR[2]; + var lookup = IR[3]; + return new IndexedCS(ColorSpace.fromIR(baseIndexedCS), hiVal, lookup); + case 'AlternateCS': + var numComps = IR[1]; + var alt = IR[2]; + var tintFnIR = IR[3]; + + return new AlternateCS(numComps, ColorSpace.fromIR(alt), + PDFFunction.fromIR(tintFnIR)); + case 'LabCS': + whitePoint = IR[1]; + blackPoint = IR[2]; + var range = IR[3]; + return new LabCS(whitePoint, blackPoint, range); + default: + error('Unknown name ' + name); + } + return null; + }; + + ColorSpace.parseToIR = function ColorSpace_parseToIR(cs, xref, res) { + if (isName(cs)) { + var colorSpaces = res.get('ColorSpace'); + if (isDict(colorSpaces)) { + var refcs = colorSpaces.get(cs.name); + if (refcs) { + cs = refcs; + } + } + } + + cs = xref.fetchIfRef(cs); + var mode; + + if (isName(cs)) { + mode = cs.name; + this.mode = mode; + + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'Pattern': + return ['PatternCS', null]; + default: + error('unrecognized colorspace ' + mode); + } + } else if (isArray(cs)) { + mode = xref.fetchIfRef(cs[0]).name; + this.mode = mode; + var numComps, params, alt, whitePoint, blackPoint, gamma; + + switch (mode) { + case 'DeviceGray': + case 'G': + return 'DeviceGrayCS'; + case 'DeviceRGB': + case 'RGB': + return 'DeviceRgbCS'; + case 'DeviceCMYK': + case 'CMYK': + return 'DeviceCmykCS'; + case 'CalGray': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + gamma = params.get('Gamma'); + return ['CalGrayCS', whitePoint, blackPoint, gamma]; + case 'CalRGB': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + gamma = params.getArray('Gamma'); + var matrix = params.getArray('Matrix'); + return ['CalRGBCS', whitePoint, blackPoint, gamma, matrix]; + case 'ICCBased': + var stream = xref.fetchIfRef(cs[1]); + var dict = stream.dict; + numComps = dict.get('N'); + alt = dict.get('Alternate'); + if (alt) { + var altIR = ColorSpace.parseToIR(alt, xref, res); + // Parse the /Alternate CS to ensure that the number of components + // are correct, and also (indirectly) that it is not a PatternCS. + var altCS = ColorSpace.fromIR(altIR); + if (altCS.numComps === numComps) { + return altIR; + } + warn('ICCBased color space: Ignoring incorrect /Alternate entry.'); + } + if (numComps === 1) { + return 'DeviceGrayCS'; + } else if (numComps === 3) { + return 'DeviceRgbCS'; + } else if (numComps === 4) { + return 'DeviceCmykCS'; + } + break; + case 'Pattern': + var basePatternCS = cs[1] || null; + if (basePatternCS) { + basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res); + } + return ['PatternCS', basePatternCS]; + case 'Indexed': + case 'I': + var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res); + var hiVal = xref.fetchIfRef(cs[2]) + 1; + var lookup = xref.fetchIfRef(cs[3]); + if (isStream(lookup)) { + lookup = lookup.getBytes(); + } + return ['IndexedCS', baseIndexedCS, hiVal, lookup]; + case 'Separation': + case 'DeviceN': + var name = xref.fetchIfRef(cs[1]); + numComps = 1; + if (isName(name)) { + numComps = 1; + } else if (isArray(name)) { + numComps = name.length; + } + alt = ColorSpace.parseToIR(cs[2], xref, res); + var tintFnIR = PDFFunction.getIR(xref, xref.fetchIfRef(cs[3])); + return ['AlternateCS', numComps, alt, tintFnIR]; + case 'Lab': + params = xref.fetchIfRef(cs[1]); + whitePoint = params.getArray('WhitePoint'); + blackPoint = params.getArray('BlackPoint'); + var range = params.getArray('Range'); + return ['LabCS', whitePoint, blackPoint, range]; + default: + error('unimplemented color space object "' + mode + '"'); + } + } else { + error('unrecognized color space object: "' + cs + '"'); + } + return null; + }; + /** + * Checks if a decode map matches the default decode map for a color space. + * This handles the general decode maps where there are two values per + * component. e.g. [0, 1, 0, 1, 0, 1] for a RGB color. + * This does not handle Lab, Indexed, or Pattern decode maps since they are + * slightly different. + * @param {Array} decode Decode map (usually from an image). + * @param {Number} n Number of components the color space has. + */ + ColorSpace.isDefaultDecode = function ColorSpace_isDefaultDecode(decode, n) { + if (!isArray(decode)) { + return true; + } + + if (n * 2 !== decode.length) { + warn('The decode map is not the correct length'); + return true; + } + for (var i = 0, ii = decode.length; i < ii; i += 2) { + if (decode[i] !== 0 || decode[i + 1] !== 1) { + return false; + } + } + return true; + }; + + ColorSpace.singletons = { + get gray() { + return shadow(this, 'gray', new DeviceGrayCS()); + }, + get rgb() { + return shadow(this, 'rgb', new DeviceRgbCS()); + }, + get cmyk() { + return shadow(this, 'cmyk', new DeviceCmykCS()); + } + }; + + return ColorSpace; +})(); + +/** + * Alternate color space handles both Separation and DeviceN color spaces. A + * Separation color space is actually just a DeviceN with one color component. + * Both color spaces use a tinting function to convert colors to a base color + * space. + */ +var AlternateCS = (function AlternateCSClosure() { + function AlternateCS(numComps, base, tintFn) { + this.name = 'Alternate'; + this.numComps = numComps; + this.defaultColor = new Float32Array(numComps); + for (var i = 0; i < numComps; ++i) { + this.defaultColor[i] = 1; + } + this.base = base; + this.tintFn = tintFn; + this.tmpBuf = new Float32Array(base.numComps); + } + + AlternateCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function AlternateCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var tmpBuf = this.tmpBuf; + this.tintFn(src, srcOffset, tmpBuf, 0); + this.base.getRgbItem(tmpBuf, 0, dest, destOffset); + }, + getRgbBuffer: function AlternateCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var tintFn = this.tintFn; + var base = this.base; + var scale = 1 / ((1 << bits) - 1); + var baseNumComps = base.numComps; + var usesZeroToOneRange = base.usesZeroToOneRange; + var isPassthrough = (base.isPassthrough(8) || !usesZeroToOneRange) && + alpha01 === 0; + var pos = isPassthrough ? destOffset : 0; + var baseBuf = isPassthrough ? dest : new Uint8Array(baseNumComps * count); + var numComps = this.numComps; + + var scaled = new Float32Array(numComps); + var tinted = new Float32Array(baseNumComps); + var i, j; + if (usesZeroToOneRange) { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + for (j = 0; j < baseNumComps; j++) { + baseBuf[pos++] = tinted[j] * 255; + } + } + } else { + for (i = 0; i < count; i++) { + for (j = 0; j < numComps; j++) { + scaled[j] = src[srcOffset++] * scale; + } + tintFn(scaled, 0, tinted, 0); + base.getRgbItem(tinted, 0, baseBuf, pos); + pos += baseNumComps; + } + } + if (!isPassthrough) { + base.getRgbBuffer(baseBuf, 0, count, dest, destOffset, 8, alpha01); + } + }, + getOutputLength: function AlternateCS_getOutputLength(inputLength, + alpha01) { + return this.base.getOutputLength(inputLength * + this.base.numComps / this.numComps, + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function AlternateCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + + return AlternateCS; +})(); + +var PatternCS = (function PatternCSClosure() { + function PatternCS(baseCS) { + this.name = 'Pattern'; + this.base = baseCS; + } + PatternCS.prototype = {}; + + return PatternCS; +})(); + +var IndexedCS = (function IndexedCSClosure() { + function IndexedCS(base, highVal, lookup) { + this.name = 'Indexed'; + this.numComps = 1; + this.defaultColor = new Uint8Array([0]); + this.base = base; + this.highVal = highVal; + + var baseNumComps = base.numComps; + var length = baseNumComps * highVal; + var lookupArray; + + if (isStream(lookup)) { + lookupArray = new Uint8Array(length); + var bytes = lookup.getBytes(length); + lookupArray.set(bytes); + } else if (isString(lookup)) { + lookupArray = new Uint8Array(length); + for (var i = 0; i < length; ++i) { + lookupArray[i] = lookup.charCodeAt(i); + } + } else if (lookup instanceof Uint8Array || lookup instanceof Array) { + lookupArray = lookup; + } else { + error('Unrecognized lookup table: ' + lookup); + } + this.lookup = lookupArray; + } + + IndexedCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function IndexedCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var numComps = this.base.numComps; + var start = src[srcOffset] * numComps; + this.base.getRgbItem(this.lookup, start, dest, destOffset); + }, + getRgbBuffer: function IndexedCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var base = this.base; + var numComps = base.numComps; + var outputDelta = base.getOutputLength(numComps, alpha01); + var lookup = this.lookup; + + for (var i = 0; i < count; ++i) { + var lookupPos = src[srcOffset++] * numComps; + base.getRgbBuffer(lookup, lookupPos, 1, dest, destOffset, 8, alpha01); + destOffset += outputDelta; + } + }, + getOutputLength: function IndexedCS_getOutputLength(inputLength, alpha01) { + return this.base.getOutputLength(inputLength * this.base.numComps, + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function IndexedCS_isDefaultDecode(decodeMap) { + // indexed color maps shouldn't be changed + return true; + }, + usesZeroToOneRange: true + }; + return IndexedCS; +})(); + +var DeviceGrayCS = (function DeviceGrayCSClosure() { + function DeviceGrayCS() { + this.name = 'DeviceGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + } + + DeviceGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceGrayCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var c = (src[srcOffset] * 255) | 0; + c = c < 0 ? 0 : c > 255 ? 255 : c; + dest[destOffset] = dest[destOffset + 1] = dest[destOffset + 2] = c; + }, + getRgbBuffer: function DeviceGrayCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + var c = (scale * src[j++]) | 0; + dest[q++] = c; + dest[q++] = c; + dest[q++] = c; + q += alpha01; + } + }, + getOutputLength: function DeviceGrayCS_getOutputLength(inputLength, + alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceGrayCS; +})(); + +var DeviceRgbCS = (function DeviceRgbCSClosure() { + function DeviceRgbCS() { + this.name = 'DeviceRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array([0, 0, 0]); + } + DeviceRgbCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceRgbCS_getRgbItem(src, srcOffset, + dest, destOffset) { + var r = (src[srcOffset] * 255) | 0; + var g = (src[srcOffset + 1] * 255) | 0; + var b = (src[srcOffset + 2] * 255) | 0; + dest[destOffset] = r < 0 ? 0 : r > 255 ? 255 : r; + dest[destOffset + 1] = g < 0 ? 0 : g > 255 ? 255 : g; + dest[destOffset + 2] = b < 0 ? 0 : b > 255 ? 255 : b; + }, + getRgbBuffer: function DeviceRgbCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + if (bits === 8 && alpha01 === 0) { + dest.set(src.subarray(srcOffset, srcOffset + count * 3), destOffset); + return; + } + var scale = 255 / ((1 << bits) - 1); + var j = srcOffset, q = destOffset; + for (var i = 0; i < count; ++i) { + dest[q++] = (scale * src[j++]) | 0; + dest[q++] = (scale * src[j++]) | 0; + dest[q++] = (scale * src[j++]) | 0; + q += alpha01; + } + }, + getOutputLength: function DeviceRgbCS_getOutputLength(inputLength, + alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: function DeviceRgbCS_isPassthrough(bits) { + return bits === 8; + }, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceRgbCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return DeviceRgbCS; +})(); + +var DeviceCmykCS = (function DeviceCmykCSClosure() { + // The coefficients below was found using numerical analysis: the method of + // steepest descent for the sum((f_i - color_value_i)^2) for r/g/b colors, + // where color_value is the tabular value from the table of sampled RGB colors + // from CMYK US Web Coated (SWOP) colorspace, and f_i is the corresponding + // CMYK color conversion using the estimation below: + // f(A, B,.. N) = Acc+Bcm+Ccy+Dck+c+Fmm+Gmy+Hmk+Im+Jyy+Kyk+Ly+Mkk+Nk+255 + function convertToRgb(src, srcOffset, srcScale, dest, destOffset) { + var c = src[srcOffset + 0] * srcScale; + var m = src[srcOffset + 1] * srcScale; + var y = src[srcOffset + 2] * srcScale; + var k = src[srcOffset + 3] * srcScale; + + var r = + (c * (-4.387332384609988 * c + 54.48615194189176 * m + + 18.82290502165302 * y + 212.25662451639585 * k + + -285.2331026137004) + + m * (1.7149763477362134 * m - 5.6096736904047315 * y + + -17.873870861415444 * k - 5.497006427196366) + + y * (-2.5217340131683033 * y - 21.248923337353073 * k + + 17.5119270841813) + + k * (-21.86122147463605 * k - 189.48180835922747) + 255) | 0; + var g = + (c * (8.841041422036149 * c + 60.118027045597366 * m + + 6.871425592049007 * y + 31.159100130055922 * k + + -79.2970844816548) + + m * (-15.310361306967817 * m + 17.575251261109482 * y + + 131.35250912493976 * k - 190.9453302588951) + + y * (4.444339102852739 * y + 9.8632861493405 * k - 24.86741582555878) + + k * (-20.737325471181034 * k - 187.80453709719578) + 255) | 0; + var b = + (c * (0.8842522430003296 * c + 8.078677503112928 * m + + 30.89978309703729 * y - 0.23883238689178934 * k + + -14.183576799673286) + + m * (10.49593273432072 * m + 63.02378494754052 * y + + 50.606957656360734 * k - 112.23884253719248) + + y * (0.03296041114873217 * y + 115.60384449646641 * k + + -193.58209356861505) + + k * (-22.33816807309886 * k - 180.12613974708367) + 255) | 0; + + dest[destOffset] = r > 255 ? 255 : r < 0 ? 0 : r; + dest[destOffset + 1] = g > 255 ? 255 : g < 0 ? 0 : g; + dest[destOffset + 2] = b > 255 ? 255 : b < 0 ? 0 : b; + } + + function DeviceCmykCS() { + this.name = 'DeviceCMYK'; + this.numComps = 4; + this.defaultColor = new Float32Array([0, 0, 0, 1]); + } + DeviceCmykCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function DeviceCmykCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(src, srcOffset, 1, dest, destOffset); + }, + getRgbBuffer: function DeviceCmykCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + for (var i = 0; i < count; i++) { + convertToRgb(src, srcOffset, scale, dest, destOffset); + srcOffset += 4; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function DeviceCmykCS_getOutputLength(inputLength, + alpha01) { + return (inputLength / 4 * (3 + alpha01)) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function DeviceCmykCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + + return DeviceCmykCS; +})(); + +// +// CalGrayCS: Based on "PDF Reference, Sixth Ed", p.245 +// +var CalGrayCS = (function CalGrayCSClosure() { + function CalGrayCS(whitePoint, blackPoint, gamma) { + this.name = 'CalGray'; + this.numComps = 1; + this.defaultColor = new Float32Array([0]); + + if (!whitePoint) { + error('WhitePoint missing - required for color space CalGray'); + } + blackPoint = blackPoint || [0, 0, 0]; + gamma = gamma || 1; + + // Translate arguments to spec variables. + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + + this.G = gamma; + + // Validate variables as per spec. + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + + ', no fallback available'); + } + + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ', falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + + if (this.XB !== 0 || this.YB !== 0 || this.ZB !== 0) { + warn(this.name + ', BlackPoint: XB: ' + this.XB + ', YB: ' + this.YB + + ', ZB: ' + this.ZB + ', only default values are supported.'); + } + + if (this.G < 1) { + info('Invalid Gamma: ' + this.G + ' for ' + this.name + + ', falling back to default'); + this.G = 1; + } + } + + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A represents a gray component of a calibrated gray space. + // A <---> AG in the spec + var A = src[srcOffset] * scale; + var AG = Math.pow(A, cs.G); + + // Computes L as per spec. ( = cs.YW * AG ) + // Except if other than default BlackPoint values are used. + var L = cs.YW * AG; + // http://www.poynton.com/notes/colour_and_gamma/ColorFAQ.html, Ch 4. + // Convert values to rgb range [0, 255]. + var val = Math.max(295.8 * Math.pow(L, 0.333333333333333333) - 40.8, 0) | 0; + dest[destOffset] = val; + dest[destOffset + 1] = val; + dest[destOffset + 2] = val; + } + + CalGrayCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function CalGrayCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalGrayCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 1; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalGrayCS_getOutputLength(inputLength, alpha01) { + return inputLength * (3 + alpha01); + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalGrayCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalGrayCS; +})(); + +// +// CalRGBCS: Based on "PDF Reference, Sixth Ed", p.247 +// +var CalRGBCS = (function CalRGBCSClosure() { + + // See http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html for these + // matrices. + var BRADFORD_SCALE_MATRIX = new Float32Array([ + 0.8951, 0.2664, -0.1614, + -0.7502, 1.7135, 0.0367, + 0.0389, -0.0685, 1.0296]); + + var BRADFORD_SCALE_INVERSE_MATRIX = new Float32Array([ + 0.9869929, -0.1470543, 0.1599627, + 0.4323053, 0.5183603, 0.0492912, + -0.0085287, 0.0400428, 0.9684867]); + + // See http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html. + var SRGB_D65_XYZ_TO_RGB_MATRIX = new Float32Array([ + 3.2404542, -1.5371385, -0.4985314, + -0.9692660, 1.8760108, 0.0415560, + 0.0556434, -0.2040259, 1.0572252]); + + var FLAT_WHITEPOINT_MATRIX = new Float32Array([1, 1, 1]); + + var tempNormalizeMatrix = new Float32Array(3); + var tempConvertMatrix1 = new Float32Array(3); + var tempConvertMatrix2 = new Float32Array(3); + + var DECODE_L_CONSTANT = Math.pow(((8 + 16) / 116), 3) / 8.0; + + function CalRGBCS(whitePoint, blackPoint, gamma, matrix) { + this.name = 'CalRGB'; + this.numComps = 3; + this.defaultColor = new Float32Array(3); + + if (!whitePoint) { + error('WhitePoint missing - required for color space CalRGB'); + } + blackPoint = blackPoint || new Float32Array(3); + gamma = gamma || new Float32Array([1, 1, 1]); + matrix = matrix || new Float32Array([1, 0, 0, 0, 1, 0, 0, 0, 1]); + + // Translate arguments to spec variables. + var XW = whitePoint[0]; + var YW = whitePoint[1]; + var ZW = whitePoint[2]; + this.whitePoint = whitePoint; + + var XB = blackPoint[0]; + var YB = blackPoint[1]; + var ZB = blackPoint[2]; + this.blackPoint = blackPoint; + + this.GR = gamma[0]; + this.GG = gamma[1]; + this.GB = gamma[2]; + + this.MXA = matrix[0]; + this.MYA = matrix[1]; + this.MZA = matrix[2]; + this.MXB = matrix[3]; + this.MYB = matrix[4]; + this.MZB = matrix[5]; + this.MXC = matrix[6]; + this.MYC = matrix[7]; + this.MZC = matrix[8]; + + // Validate variables as per spec. + if (XW < 0 || ZW < 0 || YW !== 1) { + error('Invalid WhitePoint components for ' + this.name + + ', no fallback available'); + } + + if (XB < 0 || YB < 0 || ZB < 0) { + info('Invalid BlackPoint for ' + this.name + ' [' + XB + ', ' + YB + + ', ' + ZB + '], falling back to default'); + this.blackPoint = new Float32Array(3); + } + + if (this.GR < 0 || this.GG < 0 || this.GB < 0) { + info('Invalid Gamma [' + this.GR + ', ' + this.GG + ', ' + this.GB + + '] for ' + this.name + ', falling back to default'); + this.GR = this.GG = this.GB = 1; + } + + if (this.MXA < 0 || this.MYA < 0 || this.MZA < 0 || + this.MXB < 0 || this.MYB < 0 || this.MZB < 0 || + this.MXC < 0 || this.MYC < 0 || this.MZC < 0) { + info('Invalid Matrix for ' + this.name + ' [' + + this.MXA + ', ' + this.MYA + ', ' + this.MZA + + this.MXB + ', ' + this.MYB + ', ' + this.MZB + + this.MXC + ', ' + this.MYC + ', ' + this.MZC + + '], falling back to default'); + this.MXA = this.MYB = this.MZC = 1; + this.MXB = this.MYA = this.MZA = this.MXC = this.MYC = this.MZB = 0; + } + } + + function matrixProduct(a, b, result) { + result[0] = a[0] * b[0] + a[1] * b[1] + a[2] * b[2]; + result[1] = a[3] * b[0] + a[4] * b[1] + a[5] * b[2]; + result[2] = a[6] * b[0] + a[7] * b[1] + a[8] * b[2]; + } + + function convertToFlat(sourceWhitePoint, LMS, result) { + result[0] = LMS[0] * 1 / sourceWhitePoint[0]; + result[1] = LMS[1] * 1 / sourceWhitePoint[1]; + result[2] = LMS[2] * 1 / sourceWhitePoint[2]; + } + + function convertToD65(sourceWhitePoint, LMS, result) { + var D65X = 0.95047; + var D65Y = 1; + var D65Z = 1.08883; + + result[0] = LMS[0] * D65X / sourceWhitePoint[0]; + result[1] = LMS[1] * D65Y / sourceWhitePoint[1]; + result[2] = LMS[2] * D65Z / sourceWhitePoint[2]; + } + + function sRGBTransferFunction(color) { + // See http://en.wikipedia.org/wiki/SRGB. + if (color <= 0.0031308){ + return adjustToRange(0, 1, 12.92 * color); + } + + return adjustToRange(0, 1, (1 + 0.055) * Math.pow(color, 1 / 2.4) - 0.055); + } + + function adjustToRange(min, max, value) { + return Math.max(min, Math.min(max, value)); + } + + function decodeL(L) { + if (L < 0) { + return -decodeL(-L); + } + + if (L > 8.0) { + return Math.pow(((L + 16) / 116), 3); + } + + return L * DECODE_L_CONSTANT; + } + + function compensateBlackPoint(sourceBlackPoint, XYZ_Flat, result) { + + // In case the blackPoint is already the default blackPoint then there is + // no need to do compensation. + if (sourceBlackPoint[0] === 0 && + sourceBlackPoint[1] === 0 && + sourceBlackPoint[2] === 0) { + result[0] = XYZ_Flat[0]; + result[1] = XYZ_Flat[1]; + result[2] = XYZ_Flat[2]; + return; + } + + // For the blackPoint calculation details, please see + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + // The destination blackPoint is the default blackPoint [0, 0, 0]. + var zeroDecodeL = decodeL(0); + + var X_DST = zeroDecodeL; + var X_SRC = decodeL(sourceBlackPoint[0]); + + var Y_DST = zeroDecodeL; + var Y_SRC = decodeL(sourceBlackPoint[1]); + + var Z_DST = zeroDecodeL; + var Z_SRC = decodeL(sourceBlackPoint[2]); + + var X_Scale = (1 - X_DST) / (1 - X_SRC); + var X_Offset = 1 - X_Scale; + + var Y_Scale = (1 - Y_DST) / (1 - Y_SRC); + var Y_Offset = 1 - Y_Scale; + + var Z_Scale = (1 - Z_DST) / (1 - Z_SRC); + var Z_Offset = 1 - Z_Scale; + + result[0] = XYZ_Flat[0] * X_Scale + X_Offset; + result[1] = XYZ_Flat[1] * Y_Scale + Y_Offset; + result[2] = XYZ_Flat[2] * Z_Scale + Z_Offset; + } + + function normalizeWhitePointToFlat(sourceWhitePoint, XYZ_In, result) { + + // In case the whitePoint is already flat then there is no need to do + // normalization. + if (sourceWhitePoint[0] === 1 && sourceWhitePoint[2] === 1) { + result[0] = XYZ_In[0]; + result[1] = XYZ_In[1]; + result[2] = XYZ_In[2]; + return; + } + + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + + var LMS_Flat = tempNormalizeMatrix; + convertToFlat(sourceWhitePoint, LMS, LMS_Flat); + + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_Flat, result); + } + + function normalizeWhitePointToD65(sourceWhitePoint, XYZ_In, result) { + + var LMS = result; + matrixProduct(BRADFORD_SCALE_MATRIX, XYZ_In, LMS); + + var LMS_D65 = tempNormalizeMatrix; + convertToD65(sourceWhitePoint, LMS, LMS_D65); + + matrixProduct(BRADFORD_SCALE_INVERSE_MATRIX, LMS_D65, result); + } + + function convertToRgb(cs, src, srcOffset, dest, destOffset, scale) { + // A, B and C represent a red, green and blue components of a calibrated + // rgb space. + var A = adjustToRange(0, 1, src[srcOffset] * scale); + var B = adjustToRange(0, 1, src[srcOffset + 1] * scale); + var C = adjustToRange(0, 1, src[srcOffset + 2] * scale); + + // A <---> AGR in the spec + // B <---> BGG in the spec + // C <---> CGB in the spec + var AGR = Math.pow(A, cs.GR); + var BGG = Math.pow(B, cs.GG); + var CGB = Math.pow(C, cs.GB); + + // Computes intermediate variables L, M, N as per spec. + // To decode X, Y, Z values map L, M, N directly to them. + var X = cs.MXA * AGR + cs.MXB * BGG + cs.MXC * CGB; + var Y = cs.MYA * AGR + cs.MYB * BGG + cs.MYC * CGB; + var Z = cs.MZA * AGR + cs.MZB * BGG + cs.MZC * CGB; + + // The following calculations are based on this document: + // http://www.adobe.com/content/dam/Adobe/en/devnet/photoshop/sdk/ + // AdobeBPC.pdf. + var XYZ = tempConvertMatrix1; + XYZ[0] = X; + XYZ[1] = Y; + XYZ[2] = Z; + var XYZ_Flat = tempConvertMatrix2; + + normalizeWhitePointToFlat(cs.whitePoint, XYZ, XYZ_Flat); + + var XYZ_Black = tempConvertMatrix1; + compensateBlackPoint(cs.blackPoint, XYZ_Flat, XYZ_Black); + + var XYZ_D65 = tempConvertMatrix2; + normalizeWhitePointToD65(FLAT_WHITEPOINT_MATRIX, XYZ_Black, XYZ_D65); + + var SRGB = tempConvertMatrix1; + matrixProduct(SRGB_D65_XYZ_TO_RGB_MATRIX, XYZ_D65, SRGB); + + var sR = sRGBTransferFunction(SRGB[0]); + var sG = sRGBTransferFunction(SRGB[1]); + var sB = sRGBTransferFunction(SRGB[2]); + + // Convert the values to rgb range [0, 255]. + dest[destOffset] = Math.round(sR * 255); + dest[destOffset + 1] = Math.round(sG * 255); + dest[destOffset + 2] = Math.round(sB * 255); + } + + CalRGBCS.prototype = { + getRgb: function CalRGBCS_getRgb(src, srcOffset) { + var rgb = new Uint8Array(3); + this.getRgbItem(src, srcOffset, rgb, 0); + return rgb; + }, + getRgbItem: function CalRGBCS_getRgbItem(src, srcOffset, + dest, destOffset) { + convertToRgb(this, src, srcOffset, dest, destOffset, 1); + }, + getRgbBuffer: function CalRGBCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var scale = 1 / ((1 << bits) - 1); + + for (var i = 0; i < count; ++i) { + convertToRgb(this, src, srcOffset, dest, destOffset, scale); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function CalRGBCS_getOutputLength(inputLength, alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function CalRGBCS_isDefaultDecode(decodeMap) { + return ColorSpace.isDefaultDecode(decodeMap, this.numComps); + }, + usesZeroToOneRange: true + }; + return CalRGBCS; +})(); + +// +// LabCS: Based on "PDF Reference, Sixth Ed", p.250 +// +var LabCS = (function LabCSClosure() { + function LabCS(whitePoint, blackPoint, range) { + this.name = 'Lab'; + this.numComps = 3; + this.defaultColor = new Float32Array([0, 0, 0]); + + if (!whitePoint) { + error('WhitePoint missing - required for color space Lab'); + } + blackPoint = blackPoint || [0, 0, 0]; + range = range || [-100, 100, -100, 100]; + + // Translate args to spec variables + this.XW = whitePoint[0]; + this.YW = whitePoint[1]; + this.ZW = whitePoint[2]; + this.amin = range[0]; + this.amax = range[1]; + this.bmin = range[2]; + this.bmax = range[3]; + + // These are here just for completeness - the spec doesn't offer any + // formulas that use BlackPoint in Lab + this.XB = blackPoint[0]; + this.YB = blackPoint[1]; + this.ZB = blackPoint[2]; + + // Validate vars as per spec + if (this.XW < 0 || this.ZW < 0 || this.YW !== 1) { + error('Invalid WhitePoint components, no fallback available'); + } + + if (this.XB < 0 || this.YB < 0 || this.ZB < 0) { + info('Invalid BlackPoint, falling back to default'); + this.XB = this.YB = this.ZB = 0; + } + + if (this.amin > this.amax || this.bmin > this.bmax) { + info('Invalid Range, falling back to defaults'); + this.amin = -100; + this.amax = 100; + this.bmin = -100; + this.bmax = 100; + } + } + + // Function g(x) from spec + function fn_g(x) { + if (x >= 6 / 29) { + return x * x * x; + } else { + return (108 / 841) * (x - 4 / 29); + } + } + + function decode(value, high1, low2, high2) { + return low2 + (value) * (high2 - low2) / (high1); + } + + // If decoding is needed maxVal should be 2^bits per component - 1. + function convertToRgb(cs, src, srcOffset, maxVal, dest, destOffset) { + // XXX: Lab input is in the range of [0, 100], [amin, amax], [bmin, bmax] + // not the usual [0, 1]. If a command like setFillColor is used the src + // values will already be within the correct range. However, if we are + // converting an image we have to map the values to the correct range given + // above. + // Ls,as,bs <---> L*,a*,b* in the spec + var Ls = src[srcOffset]; + var as = src[srcOffset + 1]; + var bs = src[srcOffset + 2]; + if (maxVal !== false) { + Ls = decode(Ls, maxVal, 0, 100); + as = decode(as, maxVal, cs.amin, cs.amax); + bs = decode(bs, maxVal, cs.bmin, cs.bmax); + } + + // Adjust limits of 'as' and 'bs' + as = as > cs.amax ? cs.amax : as < cs.amin ? cs.amin : as; + bs = bs > cs.bmax ? cs.bmax : bs < cs.bmin ? cs.bmin : bs; + + // Computes intermediate variables X,Y,Z as per spec + var M = (Ls + 16) / 116; + var L = M + (as / 500); + var N = M - (bs / 200); + + var X = cs.XW * fn_g(L); + var Y = cs.YW * fn_g(M); + var Z = cs.ZW * fn_g(N); + + var r, g, b; + // Using different conversions for D50 and D65 white points, + // per http://www.color.org/srgb.pdf + if (cs.ZW < 1) { + // Assuming D50 (X=0.9642, Y=1.00, Z=0.8249) + r = X * 3.1339 + Y * -1.6170 + Z * -0.4906; + g = X * -0.9785 + Y * 1.9160 + Z * 0.0333; + b = X * 0.0720 + Y * -0.2290 + Z * 1.4057; + } else { + // Assuming D65 (X=0.9505, Y=1.00, Z=1.0888) + r = X * 3.2406 + Y * -1.5372 + Z * -0.4986; + g = X * -0.9689 + Y * 1.8758 + Z * 0.0415; + b = X * 0.0557 + Y * -0.2040 + Z * 1.0570; + } + // clamp color values to [0,1] range then convert to [0,255] range. + dest[destOffset] = r <= 0 ? 0 : r >= 1 ? 255 : Math.sqrt(r) * 255 | 0; + dest[destOffset + 1] = g <= 0 ? 0 : g >= 1 ? 255 : Math.sqrt(g) * 255 | 0; + dest[destOffset + 2] = b <= 0 ? 0 : b >= 1 ? 255 : Math.sqrt(b) * 255 | 0; + } + + LabCS.prototype = { + getRgb: ColorSpace.prototype.getRgb, + getRgbItem: function LabCS_getRgbItem(src, srcOffset, dest, destOffset) { + convertToRgb(this, src, srcOffset, false, dest, destOffset); + }, + getRgbBuffer: function LabCS_getRgbBuffer(src, srcOffset, count, + dest, destOffset, bits, + alpha01) { + var maxVal = (1 << bits) - 1; + for (var i = 0; i < count; i++) { + convertToRgb(this, src, srcOffset, maxVal, dest, destOffset); + srcOffset += 3; + destOffset += 3 + alpha01; + } + }, + getOutputLength: function LabCS_getOutputLength(inputLength, alpha01) { + return (inputLength * (3 + alpha01) / 3) | 0; + }, + isPassthrough: ColorSpace.prototype.isPassthrough, + fillRgb: ColorSpace.prototype.fillRgb, + isDefaultDecode: function LabCS_isDefaultDecode(decodeMap) { + // XXX: Decoding is handled with the lab conversion because of the strange + // ranges that are used. + return true; + }, + usesZeroToOneRange: false + }; + return LabCS; +})(); + +exports.ColorSpace = ColorSpace; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreImage = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreColorSpace, root.pdfjsCoreStream, + root.pdfjsCoreJpx); + } +}(this, function (exports, sharedUtil, corePrimitives, coreColorSpace, + coreStream, coreJpx) { + +var ImageKind = sharedUtil.ImageKind; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var warn = sharedUtil.warn; +var Name = corePrimitives.Name; +var isStream = corePrimitives.isStream; +var ColorSpace = coreColorSpace.ColorSpace; +var DecodeStream = coreStream.DecodeStream; +var JpegStream = coreStream.JpegStream; +var JpxImage = coreJpx.JpxImage; + +var PDFImage = (function PDFImageClosure() { + /** + * Decodes the image using native decoder if possible. Resolves the promise + * when the image data is ready. + */ + function handleImageData(image, nativeDecoder) { + if (nativeDecoder && nativeDecoder.canDecode(image)) { + return nativeDecoder.decode(image); + } else { + return Promise.resolve(image); + } + } + + /** + * Decode and clamp a value. The formula is different from the spec because we + * don't decode to float range [0,1], we decode it in the [0,max] range. + */ + function decodeAndClamp(value, addend, coefficient, max) { + value = addend + value * coefficient; + // Clamp the value to the range + return (value < 0 ? 0 : (value > max ? max : value)); + } + + /** + * Resizes an image mask with 1 component. + * @param {TypedArray} src - The source buffer. + * @param {Number} bpc - Number of bits per component. + * @param {Number} w1 - Original width. + * @param {Number} h1 - Original height. + * @param {Number} w2 - New width. + * @param {Number} h2 - New height. + * @returns {TypedArray} The resized image mask buffer. + */ + function resizeImageMask(src, bpc, w1, h1, w2, h2) { + var length = w2 * h2; + var dest = (bpc <= 8 ? new Uint8Array(length) : + (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); + var xRatio = w1 / w2; + var yRatio = h1 / h2; + var i, j, py, newIndex = 0, oldIndex; + var xScaled = new Uint16Array(w2); + var w1Scanline = w1; + + for (i = 0; i < w2; i++) { + xScaled[i] = Math.floor(i * xRatio); + } + for (i = 0; i < h2; i++) { + py = Math.floor(i * yRatio) * w1Scanline; + for (j = 0; j < w2; j++) { + oldIndex = py + xScaled[j]; + dest[newIndex++] = src[oldIndex]; + } + } + return dest; + } + + function PDFImage(xref, res, image, inline, smask, mask, isMask) { + this.image = image; + var dict = image.dict; + if (dict.has('Filter')) { + var filter = dict.get('Filter').name; + if (filter === 'JPXDecode') { + var jpxImage = new JpxImage(); + jpxImage.parseImageProperties(image.stream); + image.stream.reset(); + image.bitsPerComponent = jpxImage.bitsPerComponent; + image.numComps = jpxImage.componentsCount; + } else if (filter === 'JBIG2Decode') { + image.bitsPerComponent = 1; + image.numComps = 1; + } + } + // TODO cache rendered images? + + this.width = dict.get('Width', 'W'); + this.height = dict.get('Height', 'H'); + + if (this.width < 1 || this.height < 1) { + error('Invalid image width: ' + this.width + ' or height: ' + + this.height); + } + + this.interpolate = dict.get('Interpolate', 'I') || false; + this.imageMask = dict.get('ImageMask', 'IM') || false; + this.matte = dict.get('Matte') || false; + + var bitsPerComponent = image.bitsPerComponent; + if (!bitsPerComponent) { + bitsPerComponent = dict.get('BitsPerComponent', 'BPC'); + if (!bitsPerComponent) { + if (this.imageMask) { + bitsPerComponent = 1; + } else { + error('Bits per component missing in image: ' + this.imageMask); + } + } + } + this.bpc = bitsPerComponent; + + if (!this.imageMask) { + var colorSpace = dict.get('ColorSpace', 'CS'); + if (!colorSpace) { + info('JPX images (which do not require color spaces)'); + switch (image.numComps) { + case 1: + colorSpace = Name.get('DeviceGray'); + break; + case 3: + colorSpace = Name.get('DeviceRGB'); + break; + case 4: + colorSpace = Name.get('DeviceCMYK'); + break; + default: + error('JPX images with ' + this.numComps + + ' color components not supported.'); + } + } + this.colorSpace = ColorSpace.parse(colorSpace, xref, res); + this.numComps = this.colorSpace.numComps; + } + + this.decode = dict.getArray('Decode', 'D'); + this.needsDecode = false; + if (this.decode && + ((this.colorSpace && !this.colorSpace.isDefaultDecode(this.decode)) || + (isMask && !ColorSpace.isDefaultDecode(this.decode, 1)))) { + this.needsDecode = true; + // Do some preprocessing to avoid more math. + var max = (1 << bitsPerComponent) - 1; + this.decodeCoefficients = []; + this.decodeAddends = []; + for (var i = 0, j = 0; i < this.decode.length; i += 2, ++j) { + var dmin = this.decode[i]; + var dmax = this.decode[i + 1]; + this.decodeCoefficients[j] = dmax - dmin; + this.decodeAddends[j] = max * dmin; + } + } + + if (smask) { + this.smask = new PDFImage(xref, res, smask, false); + } else if (mask) { + if (isStream(mask)) { + var maskDict = mask.dict, imageMask = maskDict.get('ImageMask', 'IM'); + if (!imageMask) { + warn('Ignoring /Mask in image without /ImageMask.'); + } else { + this.mask = new PDFImage(xref, res, mask, false, null, null, true); + } + } else { + // Color key mask (just an array). + this.mask = mask; + } + } + } + /** + * Handles processing of image data and returns the Promise that is resolved + * with a PDFImage when the image is ready to be used. + */ + PDFImage.buildImage = function PDFImage_buildImage(handler, xref, + res, image, inline, + nativeDecoder) { + var imagePromise = handleImageData(image, nativeDecoder); + var smaskPromise; + var maskPromise; + + var smask = image.dict.get('SMask'); + var mask = image.dict.get('Mask'); + + if (smask) { + smaskPromise = handleImageData(smask, nativeDecoder); + maskPromise = Promise.resolve(null); + } else { + smaskPromise = Promise.resolve(null); + if (mask) { + if (isStream(mask)) { + maskPromise = handleImageData(mask, nativeDecoder); + } else if (isArray(mask)) { + maskPromise = Promise.resolve(mask); + } else { + warn('Unsupported mask format.'); + maskPromise = Promise.resolve(null); + } + } else { + maskPromise = Promise.resolve(null); + } + } + return Promise.all([imagePromise, smaskPromise, maskPromise]).then( + function(results) { + var imageData = results[0]; + var smaskData = results[1]; + var maskData = results[2]; + return new PDFImage(xref, res, imageData, inline, smaskData, maskData); + }); + }; + + PDFImage.createMask = + function PDFImage_createMask(imgArray, width, height, + imageIsFromDecodeStream, inverseDecode) { + + // |imgArray| might not contain full data for every pixel of the mask, so + // we need to distinguish between |computedLength| and |actualLength|. + // In particular, if inverseDecode is true, then the array we return must + // have a length of |computedLength|. + + var computedLength = ((width + 7) >> 3) * height; + var actualLength = imgArray.byteLength; + var haveFullData = computedLength === actualLength; + var data, i; + + if (imageIsFromDecodeStream && (!inverseDecode || haveFullData)) { + // imgArray came from a DecodeStream and its data is in an appropriate + // form, so we can just transfer it. + data = imgArray; + } else if (!inverseDecode) { + data = new Uint8Array(actualLength); + data.set(imgArray); + } else { + data = new Uint8Array(computedLength); + data.set(imgArray); + for (i = actualLength; i < computedLength; i++) { + data[i] = 0xff; + } + } + + // If necessary, invert the original mask data (but not any extra we might + // have added above). It's safe to modify the array -- whether it's the + // original or a copy, we're about to transfer it anyway, so nothing else + // in this thread can be relying on its contents. + if (inverseDecode) { + for (i = 0; i < actualLength; i++) { + data[i] = ~data[i]; + } + } + + return {data: data, width: width, height: height}; + }; + + PDFImage.prototype = { + get drawWidth() { + return Math.max(this.width, + this.smask && this.smask.width || 0, + this.mask && this.mask.width || 0); + }, + + get drawHeight() { + return Math.max(this.height, + this.smask && this.smask.height || 0, + this.mask && this.mask.height || 0); + }, + + decodeBuffer: function PDFImage_decodeBuffer(buffer) { + var bpc = this.bpc; + var numComps = this.numComps; + + var decodeAddends = this.decodeAddends; + var decodeCoefficients = this.decodeCoefficients; + var max = (1 << bpc) - 1; + var i, ii; + + if (bpc === 1) { + // If the buffer needed decode that means it just needs to be inverted. + for (i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] = +!(buffer[i]); + } + return; + } + var index = 0; + for (i = 0, ii = this.width * this.height; i < ii; i++) { + for (var j = 0; j < numComps; j++) { + buffer[index] = decodeAndClamp(buffer[index], decodeAddends[j], + decodeCoefficients[j], max); + index++; + } + } + }, + + getComponents: function PDFImage_getComponents(buffer) { + var bpc = this.bpc; + + // This image doesn't require any extra work. + if (bpc === 8) { + return buffer; + } + + var width = this.width; + var height = this.height; + var numComps = this.numComps; + + var length = width * height * numComps; + var bufferPos = 0; + var output = (bpc <= 8 ? new Uint8Array(length) : + (bpc <= 16 ? new Uint16Array(length) : new Uint32Array(length))); + var rowComps = width * numComps; + + var max = (1 << bpc) - 1; + var i = 0, ii, buf; + + if (bpc === 1) { + // Optimization for reading 1 bpc images. + var mask, loop1End, loop2End; + for (var j = 0; j < height; j++) { + loop1End = i + (rowComps & ~7); + loop2End = i + rowComps; + + // unroll loop for all full bytes + while (i < loop1End) { + buf = buffer[bufferPos++]; + output[i] = (buf >> 7) & 1; + output[i + 1] = (buf >> 6) & 1; + output[i + 2] = (buf >> 5) & 1; + output[i + 3] = (buf >> 4) & 1; + output[i + 4] = (buf >> 3) & 1; + output[i + 5] = (buf >> 2) & 1; + output[i + 6] = (buf >> 1) & 1; + output[i + 7] = buf & 1; + i += 8; + } + + // handle remaining bits + if (i < loop2End) { + buf = buffer[bufferPos++]; + mask = 128; + while (i < loop2End) { + output[i++] = +!!(buf & mask); + mask >>= 1; + } + } + } + } else { + // The general case that handles all other bpc values. + var bits = 0; + buf = 0; + for (i = 0, ii = length; i < ii; ++i) { + if (i % rowComps === 0) { + buf = 0; + bits = 0; + } + + while (bits < bpc) { + buf = (buf << 8) | buffer[bufferPos++]; + bits += 8; + } + + var remainingBits = bits - bpc; + var value = buf >> remainingBits; + output[i] = (value < 0 ? 0 : (value > max ? max : value)); + buf = buf & ((1 << remainingBits) - 1); + bits = remainingBits; + } + } + return output; + }, + + fillOpacity: function PDFImage_fillOpacity(rgbaBuf, width, height, + actualHeight, image) { + var smask = this.smask; + var mask = this.mask; + var alphaBuf, sw, sh, i, ii, j; + + if (smask) { + sw = smask.width; + sh = smask.height; + alphaBuf = new Uint8Array(sw * sh); + smask.fillGrayBuffer(alphaBuf); + if (sw !== width || sh !== height) { + alphaBuf = resizeImageMask(alphaBuf, smask.bpc, sw, sh, + width, height); + } + } else if (mask) { + if (mask instanceof PDFImage) { + sw = mask.width; + sh = mask.height; + alphaBuf = new Uint8Array(sw * sh); + mask.numComps = 1; + mask.fillGrayBuffer(alphaBuf); + + // Need to invert values in rgbaBuf + for (i = 0, ii = sw * sh; i < ii; ++i) { + alphaBuf[i] = 255 - alphaBuf[i]; + } + + if (sw !== width || sh !== height) { + alphaBuf = resizeImageMask(alphaBuf, mask.bpc, sw, sh, + width, height); + } + } else if (isArray(mask)) { + // Color key mask: if any of the components are outside the range + // then they should be painted. + alphaBuf = new Uint8Array(width * height); + var numComps = this.numComps; + for (i = 0, ii = width * height; i < ii; ++i) { + var opacity = 0; + var imageOffset = i * numComps; + for (j = 0; j < numComps; ++j) { + var color = image[imageOffset + j]; + var maskOffset = j * 2; + if (color < mask[maskOffset] || color > mask[maskOffset + 1]) { + opacity = 255; + break; + } + } + alphaBuf[i] = opacity; + } + } else { + error('Unknown mask format.'); + } + } + + if (alphaBuf) { + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = alphaBuf[i]; + } + } else { + // No mask. + for (i = 0, j = 3, ii = width * actualHeight; i < ii; ++i, j += 4) { + rgbaBuf[j] = 255; + } + } + }, + + undoPreblend: function PDFImage_undoPreblend(buffer, width, height) { + var matte = this.smask && this.smask.matte; + if (!matte) { + return; + } + var matteRgb = this.colorSpace.getRgb(matte, 0); + var matteR = matteRgb[0]; + var matteG = matteRgb[1]; + var matteB = matteRgb[2]; + var length = width * height * 4; + var r, g, b; + for (var i = 0; i < length; i += 4) { + var alpha = buffer[i + 3]; + if (alpha === 0) { + // according formula we have to get Infinity in all components + // making it white (typical paper color) should be okay + buffer[i] = 255; + buffer[i + 1] = 255; + buffer[i + 2] = 255; + continue; + } + var k = 255 / alpha; + r = (buffer[i] - matteR) * k + matteR; + g = (buffer[i + 1] - matteG) * k + matteG; + b = (buffer[i + 2] - matteB) * k + matteB; + buffer[i] = r <= 0 ? 0 : r >= 255 ? 255 : r | 0; + buffer[i + 1] = g <= 0 ? 0 : g >= 255 ? 255 : g | 0; + buffer[i + 2] = b <= 0 ? 0 : b >= 255 ? 255 : b | 0; + } + }, + + createImageData: function PDFImage_createImageData(forceRGBA) { + var drawWidth = this.drawWidth; + var drawHeight = this.drawHeight; + var imgData = { // other fields are filled in below + width: drawWidth, + height: drawHeight + }; + + var numComps = this.numComps; + var originalWidth = this.width; + var originalHeight = this.height; + var bpc = this.bpc; + + // Rows start at byte boundary. + var rowBytes = (originalWidth * numComps * bpc + 7) >> 3; + var imgArray; + + if (!forceRGBA) { + // If it is a 1-bit-per-pixel grayscale (i.e. black-and-white) image + // without any complications, we pass a same-sized copy to the main + // thread rather than expanding by 32x to RGBA form. This saves *lots* + // of memory for many scanned documents. It's also much faster. + // + // Similarly, if it is a 24-bit-per pixel RGB image without any + // complications, we avoid expanding by 1.333x to RGBA form. + var kind; + if (this.colorSpace.name === 'DeviceGray' && bpc === 1) { + kind = ImageKind.GRAYSCALE_1BPP; + } else if (this.colorSpace.name === 'DeviceRGB' && bpc === 8 && + !this.needsDecode) { + kind = ImageKind.RGB_24BPP; + } + if (kind && !this.smask && !this.mask && + drawWidth === originalWidth && drawHeight === originalHeight) { + imgData.kind = kind; + + imgArray = this.getImageBytes(originalHeight * rowBytes); + // If imgArray came from a DecodeStream, we're safe to transfer it + // (and thus detach its underlying buffer) because it will constitute + // the entire DecodeStream's data. But if it came from a Stream, we + // need to copy it because it'll only be a portion of the Stream's + // data, and the rest will be read later on. + if (this.image instanceof DecodeStream) { + imgData.data = imgArray; + } else { + var newArray = new Uint8Array(imgArray.length); + newArray.set(imgArray); + imgData.data = newArray; + } + if (this.needsDecode) { + // Invert the buffer (which must be grayscale if we reached here). + assert(kind === ImageKind.GRAYSCALE_1BPP); + var buffer = imgData.data; + for (var i = 0, ii = buffer.length; i < ii; i++) { + buffer[i] ^= 0xff; + } + } + return imgData; + } + if (this.image instanceof JpegStream && !this.smask && !this.mask && + (this.colorSpace.name === 'DeviceGray' || + this.colorSpace.name === 'DeviceRGB' || + this.colorSpace.name === 'DeviceCMYK')) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = this.getImageBytes(originalHeight * rowBytes, + drawWidth, drawHeight, true); + return imgData; + } + } + + imgArray = this.getImageBytes(originalHeight * rowBytes); + // imgArray can be incomplete (e.g. after CCITT fax encoding). + var actualHeight = 0 | (imgArray.length / rowBytes * + drawHeight / originalHeight); + + var comps = this.getComponents(imgArray); + + // If opacity data is present, use RGBA_32BPP form. Otherwise, use the + // more compact RGB_24BPP form if allowable. + var alpha01, maybeUndoPreblend; + if (!forceRGBA && !this.smask && !this.mask) { + imgData.kind = ImageKind.RGB_24BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 3); + alpha01 = 0; + maybeUndoPreblend = false; + } else { + imgData.kind = ImageKind.RGBA_32BPP; + imgData.data = new Uint8Array(drawWidth * drawHeight * 4); + alpha01 = 1; + maybeUndoPreblend = true; + + // Color key masking (opacity) must be performed before decoding. + this.fillOpacity(imgData.data, drawWidth, drawHeight, actualHeight, + comps); + } + + if (this.needsDecode) { + this.decodeBuffer(comps); + } + this.colorSpace.fillRgb(imgData.data, originalWidth, originalHeight, + drawWidth, drawHeight, actualHeight, bpc, comps, + alpha01); + if (maybeUndoPreblend) { + this.undoPreblend(imgData.data, drawWidth, actualHeight); + } + + return imgData; + }, + + fillGrayBuffer: function PDFImage_fillGrayBuffer(buffer) { + var numComps = this.numComps; + if (numComps !== 1) { + error('Reading gray scale from a color image: ' + numComps); + } + + var width = this.width; + var height = this.height; + var bpc = this.bpc; + + // rows start at byte boundary + var rowBytes = (width * numComps * bpc + 7) >> 3; + var imgArray = this.getImageBytes(height * rowBytes); + + var comps = this.getComponents(imgArray); + var i, length; + + if (bpc === 1) { + // inline decoding (= inversion) for 1 bpc images + length = width * height; + if (this.needsDecode) { + // invert and scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = (comps[i] - 1) & 255; + } + } else { + // scale to {0, 255} + for (i = 0; i < length; ++i) { + buffer[i] = (-comps[i]) & 255; + } + } + return; + } + + if (this.needsDecode) { + this.decodeBuffer(comps); + } + length = width * height; + // we aren't using a colorspace so we need to scale the value + var scale = 255 / ((1 << bpc) - 1); + for (i = 0; i < length; ++i) { + buffer[i] = (scale * comps[i]) | 0; + } + }, + + getImageBytes: function PDFImage_getImageBytes(length, + drawWidth, drawHeight, + forceRGB) { + this.image.reset(); + this.image.drawWidth = drawWidth || this.width; + this.image.drawHeight = drawHeight || this.height; + this.image.forceRGB = !!forceRGB; + return this.image.getBytes(length); + } + }; + return PDFImage; +})(); + +exports.PDFImage = PDFImage; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreObj = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreCrypto, root.pdfjsCoreParser, + root.pdfjsCoreChunkedStream, root.pdfjsCoreColorSpace); + } +}(this, function (exports, sharedUtil, corePrimitives, coreCrypto, coreParser, + coreChunkedStream, coreColorSpace) { + +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MissingDataException = sharedUtil.MissingDataException; +var XRefParseException = sharedUtil.XRefParseException; +var assert = sharedUtil.assert; +var bytesToString = sharedUtil.bytesToString; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var stringToPDFString = sharedUtil.stringToPDFString; +var stringToUTF8String = sharedUtil.stringToUTF8String; +var warn = sharedUtil.warn; +var isValidUrl = sharedUtil.isValidUrl; +var Util = sharedUtil.Util; +var Ref = corePrimitives.Ref; +var RefSet = corePrimitives.RefSet; +var RefSetCache = corePrimitives.RefSetCache; +var isName = corePrimitives.isName; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isRef = corePrimitives.isRef; +var isRefsEqual = corePrimitives.isRefsEqual; +var isStream = corePrimitives.isStream; +var CipherTransformFactory = coreCrypto.CipherTransformFactory; +var Lexer = coreParser.Lexer; +var Parser = coreParser.Parser; +var ChunkedStream = coreChunkedStream.ChunkedStream; +var ColorSpace = coreColorSpace.ColorSpace; + +var Catalog = (function CatalogClosure() { + function Catalog(pdfManager, xref, pageFactory) { + this.pdfManager = pdfManager; + this.xref = xref; + this.catDict = xref.getCatalogObj(); + this.fontCache = new RefSetCache(); + assert(isDict(this.catDict), + 'catalog object is not a dictionary'); + + // TODO refactor to move getPage() to the PDFDocument. + this.pageFactory = pageFactory; + this.pagePromises = []; + } + + Catalog.prototype = { + get metadata() { + var streamRef = this.catDict.getRaw('Metadata'); + if (!isRef(streamRef)) { + return shadow(this, 'metadata', null); + } + + var encryptMetadata = (!this.xref.encrypt ? false : + this.xref.encrypt.encryptMetadata); + + var stream = this.xref.fetch(streamRef, !encryptMetadata); + var metadata; + if (stream && isDict(stream.dict)) { + var type = stream.dict.get('Type'); + var subtype = stream.dict.get('Subtype'); + + if (isName(type, 'Metadata') && isName(subtype, 'XML')) { + // XXX: This should examine the charset the XML document defines, + // however since there are currently no real means to decode + // arbitrary charsets, let's just hope that the author of the PDF + // was reasonable enough to stick with the XML default charset, + // which is UTF-8. + try { + metadata = stringToUTF8String(bytesToString(stream.getBytes())); + } catch (e) { + info('Skipping invalid metadata.'); + } + } + } + + return shadow(this, 'metadata', metadata); + }, + get toplevelPagesDict() { + var pagesObj = this.catDict.get('Pages'); + assert(isDict(pagesObj), 'invalid top-level pages dictionary'); + // shadow the prototype getter + return shadow(this, 'toplevelPagesDict', pagesObj); + }, + get documentOutline() { + var obj = null; + try { + obj = this.readDocumentOutline(); + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Unable to read document outline'); + } + return shadow(this, 'documentOutline', obj); + }, + readDocumentOutline: function Catalog_readDocumentOutline() { + var obj = this.catDict.get('Outlines'); + if (!isDict(obj)) { + return null; + } + obj = obj.getRaw('First'); + if (!isRef(obj)) { + return null; + } + var root = { items: [] }; + var queue = [{obj: obj, parent: root}]; + // To avoid recursion, keep track of the already processed items. + var processed = new RefSet(); + processed.put(obj); + var xref = this.xref, blackColor = new Uint8Array(3); + + while (queue.length > 0) { + var i = queue.shift(); + var outlineDict = xref.fetchIfRef(i.obj); + if (outlineDict === null) { + continue; + } + assert(outlineDict.has('Title'), 'Invalid outline item'); + + var actionDict = outlineDict.get('A'), dest = null, url = null; + if (actionDict) { + var destEntry = actionDict.get('D'); + if (destEntry) { + dest = destEntry; + } else { + var uriEntry = actionDict.get('URI'); + if (isString(uriEntry) && isValidUrl(uriEntry, false)) { + url = uriEntry; + } + } + } else if (outlineDict.has('Dest')) { + dest = outlineDict.getRaw('Dest'); + if (isName(dest)) { + dest = dest.name; + } + } + var title = outlineDict.get('Title'); + var flags = outlineDict.get('F') || 0; + + var color = outlineDict.getArray('C'), rgbColor = blackColor; + // We only need to parse the color when it's valid, and non-default. + if (isArray(color) && color.length === 3 && + (color[0] !== 0 || color[1] !== 0 || color[2] !== 0)) { + rgbColor = ColorSpace.singletons.rgb.getRgb(color, 0); + } + var outlineItem = { + dest: dest, + url: url, + title: stringToPDFString(title), + color: rgbColor, + count: outlineDict.get('Count'), + bold: !!(flags & 2), + italic: !!(flags & 1), + items: [] + }; + i.parent.items.push(outlineItem); + obj = outlineDict.getRaw('First'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({obj: obj, parent: outlineItem}); + processed.put(obj); + } + obj = outlineDict.getRaw('Next'); + if (isRef(obj) && !processed.has(obj)) { + queue.push({obj: obj, parent: i.parent}); + processed.put(obj); + } + } + return (root.items.length > 0 ? root.items : null); + }, + get numPages() { + var obj = this.toplevelPagesDict.get('Count'); + assert( + isInt(obj), + 'page count in top level pages object is not an integer' + ); + // shadow the prototype getter + return shadow(this, 'num', obj); + }, + get destinations() { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + + var xref = this.xref; + var dests = {}, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + + if (nameDictionaryRef) { + // reading simple destination dictionary + obj = nameDictionaryRef; + obj.forEach(function catalogForEach(key, value) { + if (!value) { + return; + } + dests[key] = fetchDestination(value); + }); + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + dests[name] = fetchDestination(names[name]); + } + } + return shadow(this, 'destinations', dests); + }, + getDestination: function Catalog_getDestination(destinationId) { + function fetchDestination(dest) { + return isDict(dest) ? dest.get('D') : dest; + } + + var xref = this.xref; + var dest = null, nameTreeRef, nameDictionaryRef; + var obj = this.catDict.get('Names'); + if (obj && obj.has('Dests')) { + nameTreeRef = obj.getRaw('Dests'); + } else if (this.catDict.has('Dests')) { + nameDictionaryRef = this.catDict.get('Dests'); + } + + if (nameDictionaryRef) { // Simple destination dictionary. + var value = nameDictionaryRef.get(destinationId); + if (value) { + dest = fetchDestination(value); + } + } + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + dest = fetchDestination(nameTree.get(destinationId)); + } + return dest; + }, + + get pageLabels() { + var obj = null; + try { + obj = this.readPageLabels(); + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + warn('Unable to read page labels.'); + } + return shadow(this, 'pageLabels', obj); + }, + readPageLabels: function Catalog_readPageLabels() { + var obj = this.catDict.getRaw('PageLabels'); + if (!obj) { + return null; + } + var pageLabels = new Array(this.numPages); + var style = null; + var prefix = ''; + var start = 1; + + var numberTree = new NumberTree(obj, this.xref); + var nums = numberTree.getAll(); + var currentLabel = '', currentIndex = 1; + + for (var i = 0, ii = this.numPages; i < ii; i++) { + if (i in nums) { + var labelDict = nums[i]; + assert(isDict(labelDict), 'The PageLabel is not a dictionary.'); + + var type = labelDict.get('Type'); + assert(!type || isName(type, 'PageLabel'), + 'Invalid type in PageLabel dictionary.'); + + var s = labelDict.get('S'); + assert(!s || isName(s), 'Invalid style in PageLabel dictionary.'); + style = (s ? s.name : null); + + prefix = labelDict.get('P') || ''; + assert(isString(prefix), 'Invalid prefix in PageLabel dictionary.'); + + start = labelDict.get('St') || 1; + assert(isInt(start), 'Invalid start in PageLabel dictionary.'); + currentIndex = start; + } + + switch (style) { + case 'D': + currentLabel = currentIndex; + break; + case 'R': + case 'r': + currentLabel = Util.toRoman(currentIndex, style === 'r'); + break; + case 'A': + case 'a': + var LIMIT = 26; // Use only the characters A--Z, or a--z. + var A_UPPER_CASE = 0x41, A_LOWER_CASE = 0x61; + + var baseCharCode = (style === 'a' ? A_LOWER_CASE : A_UPPER_CASE); + var letterIndex = currentIndex - 1; + var character = String.fromCharCode(baseCharCode + + (letterIndex % LIMIT)); + var charBuf = []; + for (var j = 0, jj = (letterIndex / LIMIT) | 0; j <= jj; j++) { + charBuf.push(character); + } + currentLabel = charBuf.join(''); + break; + default: + assert(!style, + 'Invalid style "' + style + '" in PageLabel dictionary.'); + } + pageLabels[i] = prefix + currentLabel; + + currentLabel = ''; + currentIndex++; + } + return pageLabels; + }, + + get attachments() { + var xref = this.xref; + var attachments = null, nameTreeRef; + var obj = this.catDict.get('Names'); + if (obj) { + nameTreeRef = obj.getRaw('EmbeddedFiles'); + } + + if (nameTreeRef) { + var nameTree = new NameTree(nameTreeRef, xref); + var names = nameTree.getAll(); + for (var name in names) { + var fs = new FileSpec(names[name], xref); + if (!attachments) { + attachments = Object.create(null); + } + attachments[stringToPDFString(name)] = fs.serializable; + } + } + return shadow(this, 'attachments', attachments); + }, + get javaScript() { + var xref = this.xref; + var obj = this.catDict.get('Names'); + + var javaScript = []; + function appendIfJavaScriptDict(jsDict) { + var type = jsDict.get('S'); + if (!isName(type, 'JavaScript')) { + return; + } + var js = jsDict.get('JS'); + if (isStream(js)) { + js = bytesToString(js.getBytes()); + } else if (!isString(js)) { + return; + } + javaScript.push(stringToPDFString(js)); + } + if (obj && obj.has('JavaScript')) { + var nameTree = new NameTree(obj.getRaw('JavaScript'), xref); + var names = nameTree.getAll(); + for (var name in names) { + // We don't really use the JavaScript right now. This code is + // defensive so we don't cause errors on document load. + var jsDict = names[name]; + if (isDict(jsDict)) { + appendIfJavaScriptDict(jsDict); + } + } + } + + // Append OpenAction actions to javaScript array + var openactionDict = this.catDict.get('OpenAction'); + if (isDict(openactionDict, 'Action')) { + var actionType = openactionDict.get('S'); + if (isName(actionType, 'Named')) { + // The named Print action is not a part of the PDF 1.7 specification, + // but is supported by many PDF readers/writers (including Adobe's). + var action = openactionDict.get('N'); + if (isName(action, 'Print')) { + javaScript.push('print({});'); + } + } else { + appendIfJavaScriptDict(openactionDict); + } + } + + return shadow(this, 'javaScript', javaScript); + }, + + cleanup: function Catalog_cleanup() { + var promises = []; + this.fontCache.forEach(function (promise) { + promises.push(promise); + }); + return Promise.all(promises).then(function (translatedFonts) { + for (var i = 0, ii = translatedFonts.length; i < ii; i++) { + var font = translatedFonts[i].dict; + delete font.translated; + } + this.fontCache.clear(); + }.bind(this)); + }, + + getPage: function Catalog_getPage(pageIndex) { + if (!(pageIndex in this.pagePromises)) { + this.pagePromises[pageIndex] = this.getPageDict(pageIndex).then( + function (a) { + var dict = a[0]; + var ref = a[1]; + return this.pageFactory.createPage(pageIndex, dict, ref, + this.fontCache); + }.bind(this) + ); + } + return this.pagePromises[pageIndex]; + }, + + getPageDict: function Catalog_getPageDict(pageIndex) { + var capability = createPromiseCapability(); + var nodesToVisit = [this.catDict.getRaw('Pages')]; + var currentPageIndex = 0; + var xref = this.xref; + var checkAllKids = false; + + function next() { + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + + if (isRef(currentNode)) { + xref.fetchAsync(currentNode).then(function (obj) { + if (isDict(obj, 'Page') || (isDict(obj) && !obj.has('Kids'))) { + if (pageIndex === currentPageIndex) { + capability.resolve([obj, currentNode]); + } else { + currentPageIndex++; + next(); + } + return; + } + nodesToVisit.push(obj); + next(); + }, capability.reject); + return; + } + + // Must be a child page dictionary. + assert( + isDict(currentNode), + 'page dictionary kid reference points to wrong type of object' + ); + var count = currentNode.get('Count'); + // If the current node doesn't have any children, avoid getting stuck + // in an empty node further down in the tree (see issue5644.pdf). + if (count === 0) { + checkAllKids = true; + } + // Skip nodes where the page can't be. + if (currentPageIndex + count <= pageIndex) { + currentPageIndex += count; + continue; + } + + var kids = currentNode.get('Kids'); + assert(isArray(kids), 'page dictionary kids object is not an array'); + if (!checkAllKids && count === kids.length) { + // Nodes that don't have the page have been skipped and this is the + // bottom of the tree which means the page requested must be a + // descendant of this pages node. Ideally we would just resolve the + // promise with the page ref here, but there is the case where more + // pages nodes could link to single a page (see issue 3666 pdf). To + // handle this push it back on the queue so if it is a pages node it + // will be descended into. + nodesToVisit = [kids[pageIndex - currentPageIndex]]; + currentPageIndex = pageIndex; + continue; + } else { + for (var last = kids.length - 1; last >= 0; last--) { + nodesToVisit.push(kids[last]); + } + } + } + capability.reject('Page index ' + pageIndex + ' not found.'); + } + next(); + return capability.promise; + }, + + getPageIndex: function Catalog_getPageIndex(pageRef) { + // The page tree nodes have the count of all the leaves below them. To get + // how many pages are before we just have to walk up the tree and keep + // adding the count of siblings to the left of the node. + var xref = this.xref; + function pagesBeforeRef(kidRef) { + var total = 0; + var parentRef; + return xref.fetchAsync(kidRef).then(function (node) { + if (isRefsEqual(kidRef, pageRef) && !isDict(node, 'Page') && + !(isDict(node) && !node.has('Type') && node.has('Contents'))) { + throw new Error('The reference does not point to a /Page Dict.'); + } + if (!node) { + return null; + } + assert(isDict(node), 'node must be a Dict.'); + parentRef = node.getRaw('Parent'); + return node.getAsync('Parent'); + }).then(function (parent) { + if (!parent) { + return null; + } + assert(isDict(parent), 'parent must be a Dict.'); + return parent.getAsync('Kids'); + }).then(function (kids) { + if (!kids) { + return null; + } + var kidPromises = []; + var found = false; + for (var i = 0; i < kids.length; i++) { + var kid = kids[i]; + assert(isRef(kid), 'kid must be a Ref.'); + if (kid.num === kidRef.num) { + found = true; + break; + } + kidPromises.push(xref.fetchAsync(kid).then(function (kid) { + if (kid.has('Count')) { + var count = kid.get('Count'); + total += count; + } else { // page leaf node + total++; + } + })); + } + if (!found) { + error('kid ref not found in parents kids'); + } + return Promise.all(kidPromises).then(function () { + return [total, parentRef]; + }); + }); + } + + var total = 0; + function next(ref) { + return pagesBeforeRef(ref).then(function (args) { + if (!args) { + return total; + } + var count = args[0]; + var parentRef = args[1]; + total += count; + return next(parentRef); + }); + } + + return next(pageRef); + } + }; + + return Catalog; +})(); + +var XRef = (function XRefClosure() { + function XRef(stream, password) { + this.stream = stream; + this.entries = []; + this.xrefstms = Object.create(null); + // prepare the XRef cache + this.cache = []; + this.password = password; + this.stats = { + streamTypes: [], + fontTypes: [] + }; + } + + XRef.prototype = { + setStartXRef: function XRef_setStartXRef(startXRef) { + // Store the starting positions of xref tables as we process them + // so we can recover from missing data errors + this.startXRefQueue = [startXRef]; + }, + + parse: function XRef_parse(recoveryMode) { + var trailerDict; + if (!recoveryMode) { + trailerDict = this.readXRef(); + } else { + warn('Indexing all PDF objects'); + trailerDict = this.indexObjects(); + } + trailerDict.assignXref(this); + this.trailer = trailerDict; + var encrypt = trailerDict.get('Encrypt'); + if (encrypt) { + var ids = trailerDict.get('ID'); + var fileId = (ids && ids.length) ? ids[0] : ''; + this.encrypt = new CipherTransformFactory(encrypt, fileId, + this.password); + } + + // get the root dictionary (catalog) object + if (!(this.root = trailerDict.get('Root'))) { + error('Invalid root reference'); + } + }, + + processXRefTable: function XRef_processXRefTable(parser) { + if (!('tableState' in this)) { + // Stores state of the table as we process it so we can resume + // from middle of table in case of missing data error + this.tableState = { + entryNum: 0, + streamPos: parser.lexer.stream.pos, + parserBuf1: parser.buf1, + parserBuf2: parser.buf2 + }; + } + + var obj = this.readXRefTable(parser); + + // Sanity check + if (!isCmd(obj, 'trailer')) { + error('Invalid XRef table: could not find trailer dictionary'); + } + // Read trailer dictionary, e.g. + // trailer + // << /Size 22 + // /Root 20R + // /Info 10R + // /ID [ <81b14aafa313db63dbd6f981e49f94f4> ] + // >> + // The parser goes through the entire stream << ... >> and provides + // a getter interface for the key-value table + var dict = parser.getObj(); + + // The pdflib PDF generator can generate a nested trailer dictionary + if (!isDict(dict) && dict.dict) { + dict = dict.dict; + } + if (!isDict(dict)) { + error('Invalid XRef table: could not parse trailer dictionary'); + } + delete this.tableState; + + return dict; + }, + + readXRefTable: function XRef_readXRefTable(parser) { + // Example of cross-reference table: + // xref + // 0 1 <-- subsection header (first obj #, obj count) + // 0000000000 65535 f <-- actual object (offset, generation #, f/n) + // 23 2 <-- subsection header ... and so on ... + // 0000025518 00002 n + // 0000025635 00000 n + // trailer + // ... + + var stream = parser.lexer.stream; + var tableState = this.tableState; + stream.pos = tableState.streamPos; + parser.buf1 = tableState.parserBuf1; + parser.buf2 = tableState.parserBuf2; + + // Outer loop is over subsection headers + var obj; + + while (true) { + if (!('firstEntryNum' in tableState) || !('entryCount' in tableState)) { + if (isCmd(obj = parser.getObj(), 'trailer')) { + break; + } + tableState.firstEntryNum = obj; + tableState.entryCount = parser.getObj(); + } + + var first = tableState.firstEntryNum; + var count = tableState.entryCount; + if (!isInt(first) || !isInt(count)) { + error('Invalid XRef table: wrong types in subsection header'); + } + // Inner loop is over objects themselves + for (var i = tableState.entryNum; i < count; i++) { + tableState.streamPos = stream.pos; + tableState.entryNum = i; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + + var entry = {}; + entry.offset = parser.getObj(); + entry.gen = parser.getObj(); + var type = parser.getObj(); + + if (isCmd(type, 'f')) { + entry.free = true; + } else if (isCmd(type, 'n')) { + entry.uncompressed = true; + } + + // Validate entry obj + if (!isInt(entry.offset) || !isInt(entry.gen) || + !(entry.free || entry.uncompressed)) { + error('Invalid entry in XRef subsection: ' + first + ', ' + count); + } + + // The first xref table entry, i.e. obj 0, should be free. Attempting + // to adjust an incorrect first obj # (fixes issue 3248 and 7229). + if (i === 0 && entry.free && first === 1) { + first = 0; + } + + if (!this.entries[i + first]) { + this.entries[i + first] = entry; + } + } + + tableState.entryNum = 0; + tableState.streamPos = stream.pos; + tableState.parserBuf1 = parser.buf1; + tableState.parserBuf2 = parser.buf2; + delete tableState.firstEntryNum; + delete tableState.entryCount; + } + + // Sanity check: as per spec, first object must be free + if (this.entries[0] && !this.entries[0].free) { + error('Invalid XRef table: unexpected first object'); + } + return obj; + }, + + processXRefStream: function XRef_processXRefStream(stream) { + if (!('streamState' in this)) { + // Stores state of the stream as we process it so we can resume + // from middle of stream in case of missing data error + var streamParameters = stream.dict; + var byteWidths = streamParameters.get('W'); + var range = streamParameters.get('Index'); + if (!range) { + range = [0, streamParameters.get('Size')]; + } + + this.streamState = { + entryRanges: range, + byteWidths: byteWidths, + entryNum: 0, + streamPos: stream.pos + }; + } + this.readXRefStream(stream); + delete this.streamState; + + return stream.dict; + }, + + readXRefStream: function XRef_readXRefStream(stream) { + var i, j; + var streamState = this.streamState; + stream.pos = streamState.streamPos; + + var byteWidths = streamState.byteWidths; + var typeFieldWidth = byteWidths[0]; + var offsetFieldWidth = byteWidths[1]; + var generationFieldWidth = byteWidths[2]; + + var entryRanges = streamState.entryRanges; + while (entryRanges.length > 0) { + var first = entryRanges[0]; + var n = entryRanges[1]; + + if (!isInt(first) || !isInt(n)) { + error('Invalid XRef range fields: ' + first + ', ' + n); + } + if (!isInt(typeFieldWidth) || !isInt(offsetFieldWidth) || + !isInt(generationFieldWidth)) { + error('Invalid XRef entry fields length: ' + first + ', ' + n); + } + for (i = streamState.entryNum; i < n; ++i) { + streamState.entryNum = i; + streamState.streamPos = stream.pos; + + var type = 0, offset = 0, generation = 0; + for (j = 0; j < typeFieldWidth; ++j) { + type = (type << 8) | stream.getByte(); + } + // if type field is absent, its default value is 1 + if (typeFieldWidth === 0) { + type = 1; + } + for (j = 0; j < offsetFieldWidth; ++j) { + offset = (offset << 8) | stream.getByte(); + } + for (j = 0; j < generationFieldWidth; ++j) { + generation = (generation << 8) | stream.getByte(); + } + var entry = {}; + entry.offset = offset; + entry.gen = generation; + switch (type) { + case 0: + entry.free = true; + break; + case 1: + entry.uncompressed = true; + break; + case 2: + break; + default: + error('Invalid XRef entry type: ' + type); + } + if (!this.entries[first + i]) { + this.entries[first + i] = entry; + } + } + + streamState.entryNum = 0; + streamState.streamPos = stream.pos; + entryRanges.splice(0, 2); + } + }, + + indexObjects: function XRef_indexObjects() { + // Simple scan through the PDF content to find objects, + // trailers and XRef streams. + var TAB = 0x9, LF = 0xA, CR = 0xD, SPACE = 0x20; + var PERCENT = 0x25, LT = 0x3C; + + function readToken(data, offset) { + var token = '', ch = data[offset]; + while (ch !== LF && ch !== CR && ch !== LT) { + if (++offset >= data.length) { + break; + } + token += String.fromCharCode(ch); + ch = data[offset]; + } + return token; + } + function skipUntil(data, offset, what) { + var length = what.length, dataLength = data.length; + var skipped = 0; + // finding byte sequence + while (offset < dataLength) { + var i = 0; + while (i < length && data[offset + i] === what[i]) { + ++i; + } + if (i >= length) { + break; // sequence found + } + offset++; + skipped++; + } + return skipped; + } + var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/; + var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]); + var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114, + 101, 102]); + var endobjBytes = new Uint8Array([101, 110, 100, 111, 98, 106]); + var xrefBytes = new Uint8Array([47, 88, 82, 101, 102]); + + // Clear out any existing entries, since they may be bogus. + this.entries.length = 0; + + var stream = this.stream; + stream.pos = 0; + var buffer = stream.getBytes(); + var position = stream.start, length = buffer.length; + var trailers = [], xrefStms = []; + while (position < length) { + var ch = buffer[position]; + if (ch === TAB || ch === LF || ch === CR || ch === SPACE) { + ++position; + continue; + } + if (ch === PERCENT) { // %-comment + do { + ++position; + if (position >= length) { + break; + } + ch = buffer[position]; + } while (ch !== LF && ch !== CR); + continue; + } + var token = readToken(buffer, position); + var m; + if (token.indexOf('xref') === 0 && + (token.length === 4 || /\s/.test(token[4]))) { + position += skipUntil(buffer, position, trailerBytes); + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else if ((m = objRegExp.exec(token))) { + if (typeof this.entries[m[1]] === 'undefined') { + this.entries[m[1]] = { + offset: position - stream.start, + gen: m[2] | 0, + uncompressed: true + }; + } + var contentLength = skipUntil(buffer, position, endobjBytes) + 7; + var content = buffer.subarray(position, position + contentLength); + + // checking XRef stream suspect + // (it shall have '/XRef' and next char is not a letter) + var xrefTagOffset = skipUntil(content, 0, xrefBytes); + if (xrefTagOffset < contentLength && + content[xrefTagOffset + 5] < 64) { + xrefStms.push(position - stream.start); + this.xrefstms[position - stream.start] = 1; // Avoid recursion + } + + position += contentLength; + } else if (token.indexOf('trailer') === 0 && + (token.length === 7 || /\s/.test(token[7]))) { + trailers.push(position); + position += skipUntil(buffer, position, startxrefBytes); + } else { + position += token.length + 1; + } + } + // reading XRef streams + var i, ii; + for (i = 0, ii = xrefStms.length; i < ii; ++i) { + this.startXRefQueue.push(xrefStms[i]); + this.readXRef(/* recoveryMode */ true); + } + // finding main trailer + var dict; + for (i = 0, ii = trailers.length; i < ii; ++i) { + stream.pos = trailers[i]; + var parser = new Parser(new Lexer(stream), /* allowStreams = */ true, + /* xref = */ this, /* recoveryMode = */ true); + var obj = parser.getObj(); + if (!isCmd(obj, 'trailer')) { + continue; + } + // read the trailer dictionary + dict = parser.getObj(); + if (!isDict(dict)) { + continue; + } + // taking the first one with 'ID' + if (dict.has('ID')) { + return dict; + } + } + // no tailer with 'ID', taking last one (if exists) + if (dict) { + return dict; + } + // nothing helps + // calling error() would reject worker with an UnknownErrorException. + throw new InvalidPDFException('Invalid PDF structure'); + }, + + readXRef: function XRef_readXRef(recoveryMode) { + var stream = this.stream; + + try { + while (this.startXRefQueue.length) { + var startXRef = this.startXRefQueue[0]; + + stream.pos = startXRef + stream.start; + + var parser = new Parser(new Lexer(stream), true, this); + var obj = parser.getObj(); + var dict; + + // Get dictionary + if (isCmd(obj, 'xref')) { + // Parse end-of-file XRef + dict = this.processXRefTable(parser); + if (!this.topDict) { + this.topDict = dict; + } + + // Recursively get other XRefs 'XRefStm', if any + obj = dict.get('XRefStm'); + if (isInt(obj)) { + var pos = obj; + // ignore previously loaded xref streams + // (possible infinite recursion) + if (!(pos in this.xrefstms)) { + this.xrefstms[pos] = 1; + this.startXRefQueue.push(pos); + } + } + } else if (isInt(obj)) { + // Parse in-stream XRef + if (!isInt(parser.getObj()) || + !isCmd(parser.getObj(), 'obj') || + !isStream(obj = parser.getObj())) { + error('Invalid XRef stream'); + } + dict = this.processXRefStream(obj); + if (!this.topDict) { + this.topDict = dict; + } + if (!dict) { + error('Failed to read XRef stream'); + } + } else { + error('Invalid XRef stream header'); + } + + // Recursively get previous dictionary, if any + obj = dict.get('Prev'); + if (isInt(obj)) { + this.startXRefQueue.push(obj); + } else if (isRef(obj)) { + // The spec says Prev must not be a reference, i.e. "/Prev NNN" + // This is a fallback for non-compliant PDFs, i.e. "/Prev NNN 0 R" + this.startXRefQueue.push(obj.num); + } + + this.startXRefQueue.shift(); + } + + return this.topDict; + } catch (e) { + if (e instanceof MissingDataException) { + throw e; + } + info('(while reading XRef): ' + e); + } + + if (recoveryMode) { + return; + } + throw new XRefParseException(); + }, + + getEntry: function XRef_getEntry(i) { + var xrefEntry = this.entries[i]; + if (xrefEntry && !xrefEntry.free && xrefEntry.offset) { + return xrefEntry; + } + return null; + }, + + fetchIfRef: function XRef_fetchIfRef(obj) { + if (!isRef(obj)) { + return obj; + } + return this.fetch(obj); + }, + + fetch: function XRef_fetch(ref, suppressEncryption) { + assert(isRef(ref), 'ref object is not a reference'); + var num = ref.num; + if (num in this.cache) { + var cacheEntry = this.cache[num]; + return cacheEntry; + } + + var xrefEntry = this.getEntry(num); + + // the referenced entry can be free + if (xrefEntry === null) { + return (this.cache[num] = null); + } + + if (xrefEntry.uncompressed) { + xrefEntry = this.fetchUncompressed(ref, xrefEntry, suppressEncryption); + } else { + xrefEntry = this.fetchCompressed(xrefEntry, suppressEncryption); + } + if (isDict(xrefEntry)){ + xrefEntry.objId = ref.toString(); + } else if (isStream(xrefEntry)) { + xrefEntry.dict.objId = ref.toString(); + } + return xrefEntry; + }, + + fetchUncompressed: function XRef_fetchUncompressed(ref, xrefEntry, + suppressEncryption) { + var gen = ref.gen; + var num = ref.num; + if (xrefEntry.gen !== gen) { + error('inconsistent generation in XRef'); + } + var stream = this.stream.makeSubStream(xrefEntry.offset + + this.stream.start); + var parser = new Parser(new Lexer(stream), true, this); + var obj1 = parser.getObj(); + var obj2 = parser.getObj(); + var obj3 = parser.getObj(); + if (!isInt(obj1) || parseInt(obj1, 10) !== num || + !isInt(obj2) || parseInt(obj2, 10) !== gen || + !isCmd(obj3)) { + error('bad XRef entry'); + } + if (!isCmd(obj3, 'obj')) { + // some bad PDFs use "obj1234" and really mean 1234 + if (obj3.cmd.indexOf('obj') === 0) { + num = parseInt(obj3.cmd.substring(3), 10); + if (!isNaN(num)) { + return num; + } + } + error('bad XRef entry'); + } + if (this.encrypt && !suppressEncryption) { + xrefEntry = parser.getObj(this.encrypt.createCipherTransform(num, gen)); + } else { + xrefEntry = parser.getObj(); + } + if (!isStream(xrefEntry)) { + this.cache[num] = xrefEntry; + } + return xrefEntry; + }, + + fetchCompressed: function XRef_fetchCompressed(xrefEntry, + suppressEncryption) { + var tableOffset = xrefEntry.offset; + var stream = this.fetch(new Ref(tableOffset, 0)); + if (!isStream(stream)) { + error('bad ObjStm stream'); + } + var first = stream.dict.get('First'); + var n = stream.dict.get('N'); + if (!isInt(first) || !isInt(n)) { + error('invalid first and n parameters for ObjStm stream'); + } + var parser = new Parser(new Lexer(stream), false, this); + parser.allowStreams = true; + var i, entries = [], num, nums = []; + // read the object numbers to populate cache + for (i = 0; i < n; ++i) { + num = parser.getObj(); + if (!isInt(num)) { + error('invalid object number in the ObjStm stream: ' + num); + } + nums.push(num); + var offset = parser.getObj(); + if (!isInt(offset)) { + error('invalid object offset in the ObjStm stream: ' + offset); + } + } + // read stream objects for cache + for (i = 0; i < n; ++i) { + entries.push(parser.getObj()); + // The ObjStm should not contain 'endobj'. If it's present, skip over it + // to support corrupt PDFs (fixes issue 5241, bug 898610, bug 1037816). + if (isCmd(parser.buf1, 'endobj')) { + parser.shift(); + } + num = nums[i]; + var entry = this.entries[num]; + if (entry && entry.offset === tableOffset && entry.gen === i) { + this.cache[num] = entries[i]; + } + } + xrefEntry = entries[xrefEntry.gen]; + if (xrefEntry === undefined) { + error('bad XRef entry for compressed object'); + } + return xrefEntry; + }, + + fetchIfRefAsync: function XRef_fetchIfRefAsync(obj) { + if (!isRef(obj)) { + return Promise.resolve(obj); + } + return this.fetchAsync(obj); + }, + + fetchAsync: function XRef_fetchAsync(ref, suppressEncryption) { + var streamManager = this.stream.manager; + var xref = this; + return new Promise(function tryFetch(resolve, reject) { + try { + resolve(xref.fetch(ref, suppressEncryption)); + } catch (e) { + if (e instanceof MissingDataException) { + streamManager.requestRange(e.begin, e.end).then(function () { + tryFetch(resolve, reject); + }, reject); + return; + } + reject(e); + } + }); + }, + + getCatalogObj: function XRef_getCatalogObj() { + return this.root; + } + }; + + return XRef; +})(); + +/** + * A NameTree/NumberTree is like a Dict but has some advantageous properties, + * see the specification (7.9.6 and 7.9.7) for additional details. + * TODO: implement all the Dict functions and make this more efficient. + */ +var NameOrNumberTree = (function NameOrNumberTreeClosure() { + function NameOrNumberTree(root, xref) { + throw new Error('Cannot initialize NameOrNumberTree.'); + } + + NameOrNumberTree.prototype = { + getAll: function NameOrNumberTree_getAll() { + var dict = Object.create(null); + if (!this.root) { + return dict; + } + var xref = this.xref; + // Reading Name/Number tree. + var processed = new RefSet(); + processed.put(this.root); + var queue = [this.root]; + while (queue.length > 0) { + var i, n; + var obj = xref.fetchIfRef(queue.shift()); + if (!isDict(obj)) { + continue; + } + if (obj.has('Kids')) { + var kids = obj.get('Kids'); + for (i = 0, n = kids.length; i < n; i++) { + var kid = kids[i]; + assert(!processed.has(kid), + 'Duplicate entry in "' + this._type + '" tree.'); + queue.push(kid); + processed.put(kid); + } + continue; + } + var entries = obj.get(this._type); + if (isArray(entries)) { + for (i = 0, n = entries.length; i < n; i += 2) { + dict[xref.fetchIfRef(entries[i])] = xref.fetchIfRef(entries[i + 1]); + } + } + } + return dict; + }, + + get: function NameOrNumberTree_get(key) { + if (!this.root) { + return null; + } + + var xref = this.xref; + var kidsOrEntries = xref.fetchIfRef(this.root); + var loopCount = 0; + var MAX_LEVELS = 10; + var l, r, m; + + // Perform a binary search to quickly find the entry that + // contains the key we are looking for. + while (kidsOrEntries.has('Kids')) { + if (++loopCount > MAX_LEVELS) { + warn('Search depth limit reached for "' + this._type + '" tree.'); + return null; + } + + var kids = kidsOrEntries.get('Kids'); + if (!isArray(kids)) { + return null; + } + + l = 0; + r = kids.length - 1; + while (l <= r) { + m = (l + r) >> 1; + var kid = xref.fetchIfRef(kids[m]); + var limits = kid.get('Limits'); + + if (key < xref.fetchIfRef(limits[0])) { + r = m - 1; + } else if (key > xref.fetchIfRef(limits[1])) { + l = m + 1; + } else { + kidsOrEntries = xref.fetchIfRef(kids[m]); + break; + } + } + if (l > r) { + return null; + } + } + + // If we get here, then we have found the right entry. Now go through the + // entries in the dictionary until we find the key we're looking for. + var entries = kidsOrEntries.get(this._type); + if (isArray(entries)) { + // Perform a binary search to reduce the lookup time. + l = 0; + r = entries.length - 2; + while (l <= r) { + // Check only even indices (0, 2, 4, ...) because the + // odd indices contain the actual data. + m = (l + r) & ~1; + var currentKey = xref.fetchIfRef(entries[m]); + if (key < currentKey) { + r = m - 2; + } else if (key > currentKey) { + l = m + 2; + } else { + return xref.fetchIfRef(entries[m + 1]); + } + } + } + return null; + } + }; + return NameOrNumberTree; +})(); + +var NameTree = (function NameTreeClosure() { + function NameTree(root, xref) { + this.root = root; + this.xref = xref; + this._type = 'Names'; + } + + Util.inherit(NameTree, NameOrNumberTree, {}); + + return NameTree; +})(); + +var NumberTree = (function NumberTreeClosure() { + function NumberTree(root, xref) { + this.root = root; + this.xref = xref; + this._type = 'Nums'; + } + + Util.inherit(NumberTree, NameOrNumberTree, {}); + + return NumberTree; +})(); + +/** + * "A PDF file can refer to the contents of another file by using a File + * Specification (PDF 1.1)", see the spec (7.11) for more details. + * NOTE: Only embedded files are supported (as part of the attachments support) + * TODO: support the 'URL' file system (with caching if !/V), portable + * collections attributes and related files (/RF) + */ +var FileSpec = (function FileSpecClosure() { + function FileSpec(root, xref) { + if (!root || !isDict(root)) { + return; + } + this.xref = xref; + this.root = root; + if (root.has('FS')) { + this.fs = root.get('FS'); + } + this.description = root.has('Desc') ? + stringToPDFString(root.get('Desc')) : + ''; + if (root.has('RF')) { + warn('Related file specifications are not supported'); + } + this.contentAvailable = true; + if (!root.has('EF')) { + this.contentAvailable = false; + warn('Non-embedded file specifications are not supported'); + } + } + + function pickPlatformItem(dict) { + // Look for the filename in this order: + // UF, F, Unix, Mac, DOS + if (dict.has('UF')) { + return dict.get('UF'); + } else if (dict.has('F')) { + return dict.get('F'); + } else if (dict.has('Unix')) { + return dict.get('Unix'); + } else if (dict.has('Mac')) { + return dict.get('Mac'); + } else if (dict.has('DOS')) { + return dict.get('DOS'); + } else { + return null; + } + } + + FileSpec.prototype = { + get filename() { + if (!this._filename && this.root) { + var filename = pickPlatformItem(this.root) || 'unnamed'; + this._filename = stringToPDFString(filename). + replace(/\\\\/g, '\\'). + replace(/\\\//g, '/'). + replace(/\\/g, '/'); + } + return this._filename; + }, + get content() { + if (!this.contentAvailable) { + return null; + } + if (!this.contentRef && this.root) { + this.contentRef = pickPlatformItem(this.root.get('EF')); + } + var content = null; + if (this.contentRef) { + var xref = this.xref; + var fileObj = xref.fetchIfRef(this.contentRef); + if (fileObj && isStream(fileObj)) { + content = fileObj.getBytes(); + } else { + warn('Embedded file specification points to non-existing/invalid ' + + 'content'); + } + } else { + warn('Embedded file specification does not have a content'); + } + return content; + }, + get serializable() { + return { + filename: this.filename, + content: this.content + }; + } + }; + return FileSpec; +})(); + +/** + * A helper for loading missing data in object graphs. It traverses the graph + * depth first and queues up any objects that have missing data. Once it has + * has traversed as many objects that are available it attempts to bundle the + * missing data requests and then resume from the nodes that weren't ready. + * + * NOTE: It provides protection from circular references by keeping track of + * of loaded references. However, you must be careful not to load any graphs + * that have references to the catalog or other pages since that will cause the + * entire PDF document object graph to be traversed. + */ +var ObjectLoader = (function() { + function mayHaveChildren(value) { + return isRef(value) || isDict(value) || isArray(value) || isStream(value); + } + + function addChildren(node, nodesToVisit) { + var value; + if (isDict(node) || isStream(node)) { + var map; + if (isDict(node)) { + map = node.map; + } else { + map = node.dict.map; + } + for (var key in map) { + value = map[key]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } else if (isArray(node)) { + for (var i = 0, ii = node.length; i < ii; i++) { + value = node[i]; + if (mayHaveChildren(value)) { + nodesToVisit.push(value); + } + } + } + } + + function ObjectLoader(obj, keys, xref) { + this.obj = obj; + this.keys = keys; + this.xref = xref; + this.refSet = null; + this.capability = null; + } + + ObjectLoader.prototype = { + load: function ObjectLoader_load() { + var keys = this.keys; + this.capability = createPromiseCapability(); + // Don't walk the graph if all the data is already loaded. + if (!(this.xref.stream instanceof ChunkedStream) || + this.xref.stream.getMissingChunks().length === 0) { + this.capability.resolve(); + return this.capability.promise; + } + + this.refSet = new RefSet(); + // Setup the initial nodes to visit. + var nodesToVisit = []; + for (var i = 0; i < keys.length; i++) { + nodesToVisit.push(this.obj[keys[i]]); + } + + this._walk(nodesToVisit); + return this.capability.promise; + }, + + _walk: function ObjectLoader_walk(nodesToVisit) { + var nodesToRevisit = []; + var pendingRequests = []; + // DFS walk of the object graph. + while (nodesToVisit.length) { + var currentNode = nodesToVisit.pop(); + + // Only references or chunked streams can cause missing data exceptions. + if (isRef(currentNode)) { + // Skip nodes that have already been visited. + if (this.refSet.has(currentNode)) { + continue; + } + try { + var ref = currentNode; + this.refSet.put(ref); + currentNode = this.xref.fetch(currentNode); + } catch (e) { + if (!(e instanceof MissingDataException)) { + throw e; + } + nodesToRevisit.push(currentNode); + pendingRequests.push({ begin: e.begin, end: e.end }); + } + } + if (currentNode && currentNode.getBaseStreams) { + var baseStreams = currentNode.getBaseStreams(); + var foundMissingData = false; + for (var i = 0; i < baseStreams.length; i++) { + var stream = baseStreams[i]; + if (stream.getMissingChunks && stream.getMissingChunks().length) { + foundMissingData = true; + pendingRequests.push({ + begin: stream.start, + end: stream.end + }); + } + } + if (foundMissingData) { + nodesToRevisit.push(currentNode); + } + } + + addChildren(currentNode, nodesToVisit); + } + + if (pendingRequests.length) { + this.xref.stream.manager.requestRanges(pendingRequests).then( + function pendingRequestCallback() { + nodesToVisit = nodesToRevisit; + for (var i = 0; i < nodesToRevisit.length; i++) { + var node = nodesToRevisit[i]; + // Remove any reference nodes from the currrent refset so they + // aren't skipped when we revist them. + if (isRef(node)) { + this.refSet.remove(node); + } + } + this._walk(nodesToVisit); + }.bind(this), this.capability.reject); + return; + } + // Everything is loaded. + this.refSet = null; + this.capability.resolve(); + } + }; + + return ObjectLoader; +})(); + +exports.Catalog = Catalog; +exports.ObjectLoader = ObjectLoader; +exports.XRef = XRef; +exports.FileSpec = FileSpec; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePattern = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreFunction, + root.pdfjsCoreColorSpace); + } +}(this, function (exports, sharedUtil, corePrimitives, coreFunction, + coreColorSpace) { + +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var MissingDataException = sharedUtil.MissingDataException; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var warn = sharedUtil.warn; +var isStream = corePrimitives.isStream; +var PDFFunction = coreFunction.PDFFunction; +var ColorSpace = coreColorSpace.ColorSpace; + +var ShadingType = { + FUNCTION_BASED: 1, + AXIAL: 2, + RADIAL: 3, + FREE_FORM_MESH: 4, + LATTICE_FORM_MESH: 5, + COONS_PATCH_MESH: 6, + TENSOR_PATCH_MESH: 7 +}; + +var Pattern = (function PatternClosure() { + // Constructor should define this.getPattern + function Pattern() { + error('should not call Pattern constructor'); + } + + Pattern.prototype = { + // Input: current Canvas context + // Output: the appropriate fillStyle or strokeStyle + getPattern: function Pattern_getPattern(ctx) { + error('Should not call Pattern.getStyle: ' + ctx); + } + }; + + Pattern.parseShading = function Pattern_parseShading(shading, matrix, xref, + res, handler) { + + var dict = isStream(shading) ? shading.dict : shading; + var type = dict.get('ShadingType'); + + try { + switch (type) { + case ShadingType.AXIAL: + case ShadingType.RADIAL: + // Both radial and axial shadings are handled by RadialAxial shading. + return new Shadings.RadialAxial(dict, matrix, xref, res); + case ShadingType.FREE_FORM_MESH: + case ShadingType.LATTICE_FORM_MESH: + case ShadingType.COONS_PATCH_MESH: + case ShadingType.TENSOR_PATCH_MESH: + return new Shadings.Mesh(shading, matrix, xref, res); + default: + throw new Error('Unsupported ShadingType: ' + type); + } + } catch (ex) { + if (ex instanceof MissingDataException) { + throw ex; + } + handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.shadingPattern}); + warn(ex); + return new Shadings.Dummy(); + } + }; + return Pattern; +})(); + +var Shadings = {}; + +// A small number to offset the first/last color stops so we can insert ones to +// support extend. Number.MIN_VALUE is too small and breaks the extend. +Shadings.SMALL_NUMBER = 1e-6; + +// Radial and axial shading have very similar implementations +// If needed, the implementations can be broken into two classes +Shadings.RadialAxial = (function RadialAxialClosure() { + function RadialAxial(dict, matrix, xref, res) { + this.matrix = matrix; + this.coordsArr = dict.getArray('Coords'); + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + + var t0 = 0.0, t1 = 1.0; + if (dict.has('Domain')) { + var domainArr = dict.getArray('Domain'); + t0 = domainArr[0]; + t1 = domainArr[1]; + } + + var extendStart = false, extendEnd = false; + if (dict.has('Extend')) { + var extendArr = dict.getArray('Extend'); + extendStart = extendArr[0]; + extendEnd = extendArr[1]; + } + + if (this.shadingType === ShadingType.RADIAL && + (!extendStart || !extendEnd)) { + // Radial gradient only currently works if either circle is fully within + // the other circle. + var x1 = this.coordsArr[0]; + var y1 = this.coordsArr[1]; + var r1 = this.coordsArr[2]; + var x2 = this.coordsArr[3]; + var y2 = this.coordsArr[4]; + var r2 = this.coordsArr[5]; + var distance = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); + if (r1 <= r2 + distance && + r2 <= r1 + distance) { + warn('Unsupported radial gradient.'); + } + } + + this.extendStart = extendStart; + this.extendEnd = extendEnd; + + var fnObj = dict.get('Function'); + var fn = PDFFunction.parseArray(xref, fnObj); + + // 10 samples seems good enough for now, but probably won't work + // if there are sharp color changes. Ideally, we would implement + // the spec faithfully and add lossless optimizations. + var diff = t1 - t0; + var step = diff / 10; + + var colorStops = this.colorStops = []; + + // Protect against bad domains so we don't end up in an infinte loop below. + if (t0 >= t1 || step <= 0) { + // Acrobat doesn't seem to handle these cases so we'll ignore for + // now. + info('Bad shading domain.'); + return; + } + + var color = new Float32Array(cs.numComps), ratio = new Float32Array(1); + var rgbColor; + for (var i = t0; i <= t1; i += step) { + ratio[0] = i; + fn(ratio, 0, color, 0); + rgbColor = cs.getRgb(color, 0); + var cssColor = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + colorStops.push([(i - t0) / diff, cssColor]); + } + + var background = 'transparent'; + if (dict.has('Background')) { + rgbColor = cs.getRgb(dict.get('Background'), 0); + background = Util.makeCssRgb(rgbColor[0], rgbColor[1], rgbColor[2]); + } + + if (!extendStart) { + // Insert a color stop at the front and offset the first real color stop + // so it doesn't conflict with the one we insert. + colorStops.unshift([0, background]); + colorStops[1][0] += Shadings.SMALL_NUMBER; + } + if (!extendEnd) { + // Same idea as above in extendStart but for the end. + colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER; + colorStops.push([1, background]); + } + + this.colorStops = colorStops; + } + + RadialAxial.prototype = { + getIR: function RadialAxial_getIR() { + var coordsArr = this.coordsArr; + var shadingType = this.shadingType; + var type, p0, p1, r0, r1; + if (shadingType === ShadingType.AXIAL) { + p0 = [coordsArr[0], coordsArr[1]]; + p1 = [coordsArr[2], coordsArr[3]]; + r0 = null; + r1 = null; + type = 'axial'; + } else if (shadingType === ShadingType.RADIAL) { + p0 = [coordsArr[0], coordsArr[1]]; + p1 = [coordsArr[3], coordsArr[4]]; + r0 = coordsArr[2]; + r1 = coordsArr[5]; + type = 'radial'; + } else { + error('getPattern type unknown: ' + shadingType); + } + + var matrix = this.matrix; + if (matrix) { + p0 = Util.applyTransform(p0, matrix); + p1 = Util.applyTransform(p1, matrix); + if (shadingType === ShadingType.RADIAL) { + var scale = Util.singularValueDecompose2dScale(matrix); + r0 *= scale[0]; + r1 *= scale[1]; + } + } + + return ['RadialAxial', type, this.colorStops, p0, p1, r0, r1]; + } + }; + + return RadialAxial; +})(); + +// All mesh shading. For now, they will be presented as set of the triangles +// to be drawn on the canvas and rgb color for each vertex. +Shadings.Mesh = (function MeshClosure() { + function MeshStreamReader(stream, context) { + this.stream = stream; + this.context = context; + this.buffer = 0; + this.bufferLength = 0; + + var numComps = context.numComps; + this.tmpCompsBuf = new Float32Array(numComps); + var csNumComps = context.colorSpace.numComps; + this.tmpCsCompsBuf = context.colorFn ? new Float32Array(csNumComps) : + this.tmpCompsBuf; + } + MeshStreamReader.prototype = { + get hasData() { + if (this.stream.end) { + return this.stream.pos < this.stream.end; + } + if (this.bufferLength > 0) { + return true; + } + var nextByte = this.stream.getByte(); + if (nextByte < 0) { + return false; + } + this.buffer = nextByte; + this.bufferLength = 8; + return true; + }, + readBits: function MeshStreamReader_readBits(n) { + var buffer = this.buffer; + var bufferLength = this.bufferLength; + if (n === 32) { + if (bufferLength === 0) { + return ((this.stream.getByte() << 24) | + (this.stream.getByte() << 16) | (this.stream.getByte() << 8) | + this.stream.getByte()) >>> 0; + } + buffer = (buffer << 24) | (this.stream.getByte() << 16) | + (this.stream.getByte() << 8) | this.stream.getByte(); + var nextByte = this.stream.getByte(); + this.buffer = nextByte & ((1 << bufferLength) - 1); + return ((buffer << (8 - bufferLength)) | + ((nextByte & 0xFF) >> bufferLength)) >>> 0; + } + if (n === 8 && bufferLength === 0) { + return this.stream.getByte(); + } + while (bufferLength < n) { + buffer = (buffer << 8) | this.stream.getByte(); + bufferLength += 8; + } + bufferLength -= n; + this.bufferLength = bufferLength; + this.buffer = buffer & ((1 << bufferLength) - 1); + return buffer >> bufferLength; + }, + align: function MeshStreamReader_align() { + this.buffer = 0; + this.bufferLength = 0; + }, + readFlag: function MeshStreamReader_readFlag() { + return this.readBits(this.context.bitsPerFlag); + }, + readCoordinate: function MeshStreamReader_readCoordinate() { + var bitsPerCoordinate = this.context.bitsPerCoordinate; + var xi = this.readBits(bitsPerCoordinate); + var yi = this.readBits(bitsPerCoordinate); + var decode = this.context.decode; + var scale = bitsPerCoordinate < 32 ? 1 / ((1 << bitsPerCoordinate) - 1) : + 2.3283064365386963e-10; // 2 ^ -32 + return [ + xi * scale * (decode[1] - decode[0]) + decode[0], + yi * scale * (decode[3] - decode[2]) + decode[2] + ]; + }, + readComponents: function MeshStreamReader_readComponents() { + var numComps = this.context.numComps; + var bitsPerComponent = this.context.bitsPerComponent; + var scale = bitsPerComponent < 32 ? 1 / ((1 << bitsPerComponent) - 1) : + 2.3283064365386963e-10; // 2 ^ -32 + var decode = this.context.decode; + var components = this.tmpCompsBuf; + for (var i = 0, j = 4; i < numComps; i++, j += 2) { + var ci = this.readBits(bitsPerComponent); + components[i] = ci * scale * (decode[j + 1] - decode[j]) + decode[j]; + } + var color = this.tmpCsCompsBuf; + if (this.context.colorFn) { + this.context.colorFn(components, 0, color, 0); + } + return this.context.colorSpace.getRgb(color, 0); + } + }; + + function decodeType4Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var operators = []; + var ps = []; // not maintaining cs since that will match ps + var verticesLeft = 0; // assuming we have all data to start a new triangle + while (reader.hasData) { + var f = reader.readFlag(); + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + if (verticesLeft === 0) { // ignoring flags if we started a triangle + assert(0 <= f && f <= 2, 'Unknown type4 flag'); + switch (f) { + case 0: + verticesLeft = 3; + break; + case 1: + ps.push(ps[ps.length - 2], ps[ps.length - 1]); + verticesLeft = 1; + break; + case 2: + ps.push(ps[ps.length - 3], ps[ps.length - 1]); + verticesLeft = 1; + break; + } + operators.push(f); + } + ps.push(coords.length); + coords.push(coord); + colors.push(color); + verticesLeft--; + + reader.align(); + } + mesh.figures.push({ + type: 'triangles', + coords: new Int32Array(ps), + colors: new Int32Array(ps), + }); + } + + function decodeType5Shading(mesh, reader, verticesPerRow) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = []; // not maintaining cs since that will match ps + while (reader.hasData) { + var coord = reader.readCoordinate(); + var color = reader.readComponents(); + ps.push(coords.length); + coords.push(coord); + colors.push(color); + } + mesh.figures.push({ + type: 'lattice', + coords: new Int32Array(ps), + colors: new Int32Array(ps), + verticesPerRow: verticesPerRow + }); + } + + var MIN_SPLIT_PATCH_CHUNKS_AMOUNT = 3; + var MAX_SPLIT_PATCH_CHUNKS_AMOUNT = 20; + + var TRIANGLE_DENSITY = 20; // count of triangles per entire mesh bounds + + var getB = (function getBClosure() { + function buildB(count) { + var lut = []; + for (var i = 0; i <= count; i++) { + var t = i / count, t_ = 1 - t; + lut.push(new Float32Array([t_ * t_ * t_, 3 * t * t_ * t_, + 3 * t * t * t_, t * t * t])); + } + return lut; + } + var cache = []; + return function getB(count) { + if (!cache[count]) { + cache[count] = buildB(count); + } + return cache[count]; + }; + })(); + + function buildFigureFromPatch(mesh, index) { + var figure = mesh.figures[index]; + assert(figure.type === 'patch', 'Unexpected patch mesh figure'); + + var coords = mesh.coords, colors = mesh.colors; + var pi = figure.coords; + var ci = figure.colors; + + var figureMinX = Math.min(coords[pi[0]][0], coords[pi[3]][0], + coords[pi[12]][0], coords[pi[15]][0]); + var figureMinY = Math.min(coords[pi[0]][1], coords[pi[3]][1], + coords[pi[12]][1], coords[pi[15]][1]); + var figureMaxX = Math.max(coords[pi[0]][0], coords[pi[3]][0], + coords[pi[12]][0], coords[pi[15]][0]); + var figureMaxY = Math.max(coords[pi[0]][1], coords[pi[3]][1], + coords[pi[12]][1], coords[pi[15]][1]); + var splitXBy = Math.ceil((figureMaxX - figureMinX) * TRIANGLE_DENSITY / + (mesh.bounds[2] - mesh.bounds[0])); + splitXBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, + Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitXBy)); + var splitYBy = Math.ceil((figureMaxY - figureMinY) * TRIANGLE_DENSITY / + (mesh.bounds[3] - mesh.bounds[1])); + splitYBy = Math.max(MIN_SPLIT_PATCH_CHUNKS_AMOUNT, + Math.min(MAX_SPLIT_PATCH_CHUNKS_AMOUNT, splitYBy)); + + var verticesPerRow = splitXBy + 1; + var figureCoords = new Int32Array((splitYBy + 1) * verticesPerRow); + var figureColors = new Int32Array((splitYBy + 1) * verticesPerRow); + var k = 0; + var cl = new Uint8Array(3), cr = new Uint8Array(3); + var c0 = colors[ci[0]], c1 = colors[ci[1]], + c2 = colors[ci[2]], c3 = colors[ci[3]]; + var bRow = getB(splitYBy), bCol = getB(splitXBy); + for (var row = 0; row <= splitYBy; row++) { + cl[0] = ((c0[0] * (splitYBy - row) + c2[0] * row) / splitYBy) | 0; + cl[1] = ((c0[1] * (splitYBy - row) + c2[1] * row) / splitYBy) | 0; + cl[2] = ((c0[2] * (splitYBy - row) + c2[2] * row) / splitYBy) | 0; + + cr[0] = ((c1[0] * (splitYBy - row) + c3[0] * row) / splitYBy) | 0; + cr[1] = ((c1[1] * (splitYBy - row) + c3[1] * row) / splitYBy) | 0; + cr[2] = ((c1[2] * (splitYBy - row) + c3[2] * row) / splitYBy) | 0; + + for (var col = 0; col <= splitXBy; col++, k++) { + if ((row === 0 || row === splitYBy) && + (col === 0 || col === splitXBy)) { + continue; + } + var x = 0, y = 0; + var q = 0; + for (var i = 0; i <= 3; i++) { + for (var j = 0; j <= 3; j++, q++) { + var m = bRow[row][i] * bCol[col][j]; + x += coords[pi[q]][0] * m; + y += coords[pi[q]][1] * m; + } + } + figureCoords[k] = coords.length; + coords.push([x, y]); + figureColors[k] = colors.length; + var newColor = new Uint8Array(3); + newColor[0] = ((cl[0] * (splitXBy - col) + cr[0] * col) / splitXBy) | 0; + newColor[1] = ((cl[1] * (splitXBy - col) + cr[1] * col) / splitXBy) | 0; + newColor[2] = ((cl[2] * (splitXBy - col) + cr[2] * col) / splitXBy) | 0; + colors.push(newColor); + } + } + figureCoords[0] = pi[0]; + figureColors[0] = ci[0]; + figureCoords[splitXBy] = pi[3]; + figureColors[splitXBy] = ci[1]; + figureCoords[verticesPerRow * splitYBy] = pi[12]; + figureColors[verticesPerRow * splitYBy] = ci[2]; + figureCoords[verticesPerRow * splitYBy + splitXBy] = pi[15]; + figureColors[verticesPerRow * splitYBy + splitXBy] = ci[3]; + + mesh.figures[index] = { + type: 'lattice', + coords: figureCoords, + colors: figureColors, + verticesPerRow: verticesPerRow + }; + } + + function decodeType6Shading(mesh, reader) { + // A special case of Type 7. The p11, p12, p21, p22 automatically filled + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type6 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = (f !== 0 ? 8 : 12); i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; + ps[ 8] = pi + 2; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 7; + ps[ 4] = pi + 1; /* calculated below */ ps[ 7] = pi + 8; + ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; + cs[2] = ci + 1; cs[3] = ci + 2; + cs[0] = ci; cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; + ps[12] = tmp4; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = tmp3; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = tmp2; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[2]; tmp2 = cs[3]; + cs[2] = tmp2; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[7]; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = tmp2; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[1]; /* values for 5, 6, 9, 10 are */ ps[11] = pi + 3; + ps[ 4] = ps[2]; /* calculated below */ ps[ 7] = pi + 4; + ps[ 0] = ps[3]; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + cs[2] = cs[0]; cs[3] = ci; + cs[0] = cs[1]; cs[1] = ci + 1; + break; + } + // set p11, p12, p21, p22 + ps[5] = coords.length; + coords.push([ + (-4 * coords[ps[0]][0] - coords[ps[15]][0] + + 6 * (coords[ps[4]][0] + coords[ps[1]][0]) - + 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + + 3 * (coords[ps[13]][0] + coords[ps[7]][0])) / 9, + (-4 * coords[ps[0]][1] - coords[ps[15]][1] + + 6 * (coords[ps[4]][1] + coords[ps[1]][1]) - + 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + + 3 * (coords[ps[13]][1] + coords[ps[7]][1])) / 9 + ]); + ps[6] = coords.length; + coords.push([ + (-4 * coords[ps[3]][0] - coords[ps[12]][0] + + 6 * (coords[ps[2]][0] + coords[ps[7]][0]) - + 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + + 3 * (coords[ps[4]][0] + coords[ps[14]][0])) / 9, + (-4 * coords[ps[3]][1] - coords[ps[12]][1] + + 6 * (coords[ps[2]][1] + coords[ps[7]][1]) - + 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + + 3 * (coords[ps[4]][1] + coords[ps[14]][1])) / 9 + ]); + ps[9] = coords.length; + coords.push([ + (-4 * coords[ps[12]][0] - coords[ps[3]][0] + + 6 * (coords[ps[8]][0] + coords[ps[13]][0]) - + 2 * (coords[ps[0]][0] + coords[ps[15]][0]) + + 3 * (coords[ps[11]][0] + coords[ps[1]][0])) / 9, + (-4 * coords[ps[12]][1] - coords[ps[3]][1] + + 6 * (coords[ps[8]][1] + coords[ps[13]][1]) - + 2 * (coords[ps[0]][1] + coords[ps[15]][1]) + + 3 * (coords[ps[11]][1] + coords[ps[1]][1])) / 9 + ]); + ps[10] = coords.length; + coords.push([ + (-4 * coords[ps[15]][0] - coords[ps[0]][0] + + 6 * (coords[ps[11]][0] + coords[ps[14]][0]) - + 2 * (coords[ps[12]][0] + coords[ps[3]][0]) + + 3 * (coords[ps[2]][0] + coords[ps[8]][0])) / 9, + (-4 * coords[ps[15]][1] - coords[ps[0]][1] + + 6 * (coords[ps[11]][1] + coords[ps[14]][1]) - + 2 * (coords[ps[12]][1] + coords[ps[3]][1]) + + 3 * (coords[ps[2]][1] + coords[ps[8]][1])) / 9 + ]); + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + + function decodeType7Shading(mesh, reader) { + var coords = mesh.coords; + var colors = mesh.colors; + var ps = new Int32Array(16); // p00, p10, ..., p30, p01, ..., p33 + var cs = new Int32Array(4); // c00, c30, c03, c33 + while (reader.hasData) { + var f = reader.readFlag(); + assert(0 <= f && f <= 3, 'Unknown type7 flag'); + var i, ii; + var pi = coords.length; + for (i = 0, ii = (f !== 0 ? 12 : 16); i < ii; i++) { + coords.push(reader.readCoordinate()); + } + var ci = colors.length; + for (i = 0, ii = (f !== 0 ? 2 : 4); i < ii; i++) { + colors.push(reader.readComponents()); + } + var tmp1, tmp2, tmp3, tmp4; + switch (f) { + case 0: + ps[12] = pi + 3; ps[13] = pi + 4; ps[14] = pi + 5; ps[15] = pi + 6; + ps[ 8] = pi + 2; ps[ 9] = pi + 13; ps[10] = pi + 14; ps[11] = pi + 7; + ps[ 4] = pi + 1; ps[ 5] = pi + 12; ps[ 6] = pi + 15; ps[ 7] = pi + 8; + ps[ 0] = pi; ps[ 1] = pi + 11; ps[ 2] = pi + 10; ps[ 3] = pi + 9; + cs[2] = ci + 1; cs[3] = ci + 2; + cs[0] = ci; cs[1] = ci + 3; + break; + case 1: + tmp1 = ps[12]; tmp2 = ps[13]; tmp3 = ps[14]; tmp4 = ps[15]; + ps[12] = tmp4; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = tmp3; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = tmp2; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[2]; tmp2 = cs[3]; + cs[2] = tmp2; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 2: + tmp1 = ps[15]; + tmp2 = ps[11]; + ps[12] = ps[3]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[7]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = tmp2; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = tmp1; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + tmp1 = cs[3]; + cs[2] = cs[1]; cs[3] = ci; + cs[0] = tmp1; cs[1] = ci + 1; + break; + case 3: + ps[12] = ps[0]; ps[13] = pi + 0; ps[14] = pi + 1; ps[15] = pi + 2; + ps[ 8] = ps[1]; ps[ 9] = pi + 9; ps[10] = pi + 10; ps[11] = pi + 3; + ps[ 4] = ps[2]; ps[ 5] = pi + 8; ps[ 6] = pi + 11; ps[ 7] = pi + 4; + ps[ 0] = ps[3]; ps[ 1] = pi + 7; ps[ 2] = pi + 6; ps[ 3] = pi + 5; + cs[2] = cs[0]; cs[3] = ci; + cs[0] = cs[1]; cs[1] = ci + 1; + break; + } + mesh.figures.push({ + type: 'patch', + coords: new Int32Array(ps), // making copies of ps and cs + colors: new Int32Array(cs) + }); + } + } + + function updateBounds(mesh) { + var minX = mesh.coords[0][0], minY = mesh.coords[0][1], + maxX = minX, maxY = minY; + for (var i = 1, ii = mesh.coords.length; i < ii; i++) { + var x = mesh.coords[i][0], y = mesh.coords[i][1]; + minX = minX > x ? x : minX; + minY = minY > y ? y : minY; + maxX = maxX < x ? x : maxX; + maxY = maxY < y ? y : maxY; + } + mesh.bounds = [minX, minY, maxX, maxY]; + } + + function packData(mesh) { + var i, ii, j, jj; + + var coords = mesh.coords; + var coordsPacked = new Float32Array(coords.length * 2); + for (i = 0, j = 0, ii = coords.length; i < ii; i++) { + var xy = coords[i]; + coordsPacked[j++] = xy[0]; + coordsPacked[j++] = xy[1]; + } + mesh.coords = coordsPacked; + + var colors = mesh.colors; + var colorsPacked = new Uint8Array(colors.length * 3); + for (i = 0, j = 0, ii = colors.length; i < ii; i++) { + var c = colors[i]; + colorsPacked[j++] = c[0]; + colorsPacked[j++] = c[1]; + colorsPacked[j++] = c[2]; + } + mesh.colors = colorsPacked; + + var figures = mesh.figures; + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], ps = figure.coords, cs = figure.colors; + for (j = 0, jj = ps.length; j < jj; j++) { + ps[j] *= 2; + cs[j] *= 3; + } + } + } + + function Mesh(stream, matrix, xref, res) { + assert(isStream(stream), 'Mesh data is not a stream'); + var dict = stream.dict; + this.matrix = matrix; + this.shadingType = dict.get('ShadingType'); + this.type = 'Pattern'; + this.bbox = dict.getArray('BBox'); + var cs = dict.get('ColorSpace', 'CS'); + cs = ColorSpace.parse(cs, xref, res); + this.cs = cs; + this.background = dict.has('Background') ? + cs.getRgb(dict.get('Background'), 0) : null; + + var fnObj = dict.get('Function'); + var fn = fnObj ? PDFFunction.parseArray(xref, fnObj) : null; + + this.coords = []; + this.colors = []; + this.figures = []; + + var decodeContext = { + bitsPerCoordinate: dict.get('BitsPerCoordinate'), + bitsPerComponent: dict.get('BitsPerComponent'), + bitsPerFlag: dict.get('BitsPerFlag'), + decode: dict.getArray('Decode'), + colorFn: fn, + colorSpace: cs, + numComps: fn ? 1 : cs.numComps + }; + var reader = new MeshStreamReader(stream, decodeContext); + + var patchMesh = false; + switch (this.shadingType) { + case ShadingType.FREE_FORM_MESH: + decodeType4Shading(this, reader); + break; + case ShadingType.LATTICE_FORM_MESH: + var verticesPerRow = dict.get('VerticesPerRow') | 0; + assert(verticesPerRow >= 2, 'Invalid VerticesPerRow'); + decodeType5Shading(this, reader, verticesPerRow); + break; + case ShadingType.COONS_PATCH_MESH: + decodeType6Shading(this, reader); + patchMesh = true; + break; + case ShadingType.TENSOR_PATCH_MESH: + decodeType7Shading(this, reader); + patchMesh = true; + break; + default: + error('Unsupported mesh type.'); + break; + } + + if (patchMesh) { + // dirty bounds calculation for determining, how dense shall be triangles + updateBounds(this); + for (var i = 0, ii = this.figures.length; i < ii; i++) { + buildFigureFromPatch(this, i); + } + } + // calculate bounds + updateBounds(this); + + packData(this); + } + + Mesh.prototype = { + getIR: function Mesh_getIR() { + return ['Mesh', this.shadingType, this.coords, this.colors, this.figures, + this.bounds, this.matrix, this.bbox, this.background]; + } + }; + + return Mesh; +})(); + +Shadings.Dummy = (function DummyClosure() { + function Dummy() { + this.type = 'Pattern'; + } + + Dummy.prototype = { + getIR: function Dummy_getIR() { + return ['Dummy']; + } + }; + return Dummy; +})(); + +function getTilingPatternIR(operatorList, dict, args) { + var matrix = dict.getArray('Matrix'); + var bbox = dict.getArray('BBox'); + var xstep = dict.get('XStep'); + var ystep = dict.get('YStep'); + var paintType = dict.get('PaintType'); + var tilingType = dict.get('TilingType'); + + return [ + 'TilingPattern', args, operatorList, matrix, bbox, xstep, ystep, + paintType, tilingType + ]; +} + +exports.Pattern = Pattern; +exports.getTilingPatternIR = getTilingPatternIR; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreEvaluator = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreParser, + root.pdfjsCoreImage, root.pdfjsCoreColorSpace, root.pdfjsCoreMurmurHash3, + root.pdfjsCoreFonts, root.pdfjsCoreFunction, root.pdfjsCorePattern, + root.pdfjsCoreCMap, root.pdfjsCoreMetrics, root.pdfjsCoreBidi, + root.pdfjsCoreEncodings, root.pdfjsCoreStandardFonts, + root.pdfjsCoreUnicode, root.pdfjsCoreGlyphList); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreParser, + coreImage, coreColorSpace, coreMurmurHash3, coreFonts, + coreFunction, corePattern, coreCMap, coreMetrics, coreBidi, + coreEncodings, coreStandardFonts, coreUnicode, + coreGlyphList) { + +var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX; +var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX; +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var ImageKind = sharedUtil.ImageKind; +var OPS = sharedUtil.OPS; +var TextRenderingMode = sharedUtil.TextRenderingMode; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isNum = sharedUtil.isNum; +var isString = sharedUtil.isString; +var getLookupTableFactory = sharedUtil.getLookupTableFactory; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var Name = corePrimitives.Name; +var isCmd = corePrimitives.isCmd; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isRef = corePrimitives.isRef; +var isStream = corePrimitives.isStream; +var DecodeStream = coreStream.DecodeStream; +var JpegStream = coreStream.JpegStream; +var Stream = coreStream.Stream; +var Lexer = coreParser.Lexer; +var Parser = coreParser.Parser; +var isEOF = coreParser.isEOF; +var PDFImage = coreImage.PDFImage; +var ColorSpace = coreColorSpace.ColorSpace; +var MurmurHash3_64 = coreMurmurHash3.MurmurHash3_64; +var ErrorFont = coreFonts.ErrorFont; +var FontFlags = coreFonts.FontFlags; +var Font = coreFonts.Font; +var IdentityToUnicodeMap = coreFonts.IdentityToUnicodeMap; +var ToUnicodeMap = coreFonts.ToUnicodeMap; +var getFontType = coreFonts.getFontType; +var isPDFFunction = coreFunction.isPDFFunction; +var PDFFunction = coreFunction.PDFFunction; +var Pattern = corePattern.Pattern; +var getTilingPatternIR = corePattern.getTilingPatternIR; +var CMapFactory = coreCMap.CMapFactory; +var IdentityCMap = coreCMap.IdentityCMap; +var getMetrics = coreMetrics.getMetrics; +var bidi = coreBidi.bidi; +var WinAnsiEncoding = coreEncodings.WinAnsiEncoding; +var StandardEncoding = coreEncodings.StandardEncoding; +var MacRomanEncoding = coreEncodings.MacRomanEncoding; +var SymbolSetEncoding = coreEncodings.SymbolSetEncoding; +var ZapfDingbatsEncoding = coreEncodings.ZapfDingbatsEncoding; +var getEncoding = coreEncodings.getEncoding; +var getStdFontMap = coreStandardFonts.getStdFontMap; +var getSerifFonts = coreStandardFonts.getSerifFonts; +var getSymbolsFonts = coreStandardFonts.getSymbolsFonts; +var getNormalizedUnicodes = coreUnicode.getNormalizedUnicodes; +var reverseIfRtl = coreUnicode.reverseIfRtl; +var getUnicodeForGlyph = coreUnicode.getUnicodeForGlyph; +var getGlyphsUnicode = coreGlyphList.getGlyphsUnicode; + +var PartialEvaluator = (function PartialEvaluatorClosure() { + var DefaultPartialEvaluatorOptions = { + forceDataSchema: false, + maxImageSize: -1, + disableFontFace: false, + cMapOptions: { url: null, packed: false } + }; + + function NativeImageDecoder(xref, resources, handler, forceDataSchema) { + this.xref = xref; + this.resources = resources; + this.handler = handler; + this.forceDataSchema = forceDataSchema; + } + NativeImageDecoder.prototype = { + canDecode: function (image) { + return image instanceof JpegStream && + NativeImageDecoder.isDecodable(image, this.xref, this.resources); + }, + decode: function (image) { + // For natively supported JPEGs send them to the main thread for decoding. + var dict = image.dict; + var colorSpace = dict.get('ColorSpace', 'CS'); + colorSpace = ColorSpace.parse(colorSpace, this.xref, this.resources); + var numComps = colorSpace.numComps; + var decodePromise = this.handler.sendWithPromise('JpegDecode', + [image.getIR(this.forceDataSchema), numComps]); + return decodePromise.then(function (message) { + var data = message.data; + return new Stream(data, 0, data.length, image.dict); + }); + } + }; + /** + * Checks if the image can be decoded and displayed by the browser without any + * further processing such as color space conversions. + */ + NativeImageDecoder.isSupported = + function NativeImageDecoder_isSupported(image, xref, res) { + var dict = image.dict; + if (dict.has('DecodeParms') || dict.has('DP')) { + return false; + } + var cs = ColorSpace.parse(dict.get('ColorSpace', 'CS'), xref, res); + return (cs.name === 'DeviceGray' || cs.name === 'DeviceRGB') && + cs.isDefaultDecode(dict.getArray('Decode', 'D')); + }; + /** + * Checks if the image can be decoded by the browser. + */ + NativeImageDecoder.isDecodable = + function NativeImageDecoder_isDecodable(image, xref, res) { + var dict = image.dict; + if (dict.has('DecodeParms') || dict.has('DP')) { + return false; + } + var cs = ColorSpace.parse(dict.get('ColorSpace', 'CS'), xref, res); + return (cs.numComps === 1 || cs.numComps === 3) && + cs.isDefaultDecode(dict.getArray('Decode', 'D')); + }; + + function PartialEvaluator(pdfManager, xref, handler, pageIndex, + uniquePrefix, idCounters, fontCache, options) { + this.pdfManager = pdfManager; + this.xref = xref; + this.handler = handler; + this.pageIndex = pageIndex; + this.uniquePrefix = uniquePrefix; + this.idCounters = idCounters; + this.fontCache = fontCache; + this.options = options || DefaultPartialEvaluatorOptions; + } + + // Trying to minimize Date.now() usage and check every 100 time + var TIME_SLOT_DURATION_MS = 20; + var CHECK_TIME_EVERY = 100; + function TimeSlotManager() { + this.reset(); + } + TimeSlotManager.prototype = { + check: function TimeSlotManager_check() { + if (++this.checked < CHECK_TIME_EVERY) { + return false; + } + this.checked = 0; + return this.endTime <= Date.now(); + }, + reset: function TimeSlotManager_reset() { + this.endTime = Date.now() + TIME_SLOT_DURATION_MS; + this.checked = 0; + } + }; + + var deferred = Promise.resolve(); + + var TILING_PATTERN = 1, SHADING_PATTERN = 2; + + PartialEvaluator.prototype = { + hasBlendModes: function PartialEvaluator_hasBlendModes(resources) { + if (!isDict(resources)) { + return false; + } + + var processed = Object.create(null); + if (resources.objId) { + processed[resources.objId] = true; + } + + var nodes = [resources], xref = this.xref; + while (nodes.length) { + var key, i, ii; + var node = nodes.shift(); + // First check the current resources for blend modes. + var graphicStates = node.get('ExtGState'); + if (isDict(graphicStates)) { + var graphicStatesKeys = graphicStates.getKeys(); + for (i = 0, ii = graphicStatesKeys.length; i < ii; i++) { + key = graphicStatesKeys[i]; + + var graphicState = graphicStates.get(key); + var bm = graphicState.get('BM'); + if (isName(bm) && bm.name !== 'Normal') { + return true; + } + } + } + // Descend into the XObjects to look for more resources and blend modes. + var xObjects = node.get('XObject'); + if (!isDict(xObjects)) { + continue; + } + var xObjectsKeys = xObjects.getKeys(); + for (i = 0, ii = xObjectsKeys.length; i < ii; i++) { + key = xObjectsKeys[i]; + + var xObject = xObjects.getRaw(key); + if (isRef(xObject)) { + if (processed[xObject.toString()]) { + // The XObject has already been processed, and by avoiding a + // redundant `xref.fetch` we can *significantly* reduce the load + // time for badly generated PDF files (fixes issue6961.pdf). + continue; + } + xObject = xref.fetch(xObject); + } + if (!isStream(xObject)) { + continue; + } + if (xObject.dict.objId) { + if (processed[xObject.dict.objId]) { + // stream has objId and is processed already + continue; + } + processed[xObject.dict.objId] = true; + } + var xResources = xObject.dict.get('Resources'); + // Checking objId to detect an infinite loop. + if (isDict(xResources) && + (!xResources.objId || !processed[xResources.objId])) { + nodes.push(xResources); + if (xResources.objId) { + processed[xResources.objId] = true; + } + } + } + } + return false; + }, + + buildFormXObject: function PartialEvaluator_buildFormXObject(resources, + xobj, smask, + operatorList, + task, + initialState) { + var matrix = xobj.dict.getArray('Matrix'); + var bbox = xobj.dict.getArray('BBox'); + var group = xobj.dict.get('Group'); + if (group) { + var groupOptions = { + matrix: matrix, + bbox: bbox, + smask: smask, + isolated: false, + knockout: false + }; + + var groupSubtype = group.get('S'); + var colorSpace; + if (isName(groupSubtype, 'Transparency')) { + groupOptions.isolated = (group.get('I') || false); + groupOptions.knockout = (group.get('K') || false); + colorSpace = (group.has('CS') ? + ColorSpace.parse(group.get('CS'), this.xref, resources) : null); + } + + if (smask && smask.backdrop) { + colorSpace = colorSpace || ColorSpace.singletons.rgb; + smask.backdrop = colorSpace.getRgb(smask.backdrop, 0); + } + + operatorList.addOp(OPS.beginGroup, [groupOptions]); + } + + operatorList.addOp(OPS.paintFormXObjectBegin, [matrix, bbox]); + + return this.getOperatorList(xobj, task, + (xobj.dict.get('Resources') || resources), operatorList, initialState). + then(function () { + operatorList.addOp(OPS.paintFormXObjectEnd, []); + + if (group) { + operatorList.addOp(OPS.endGroup, [groupOptions]); + } + }); + }, + + buildPaintImageXObject: + function PartialEvaluator_buildPaintImageXObject(resources, image, + inline, operatorList, + cacheKey, imageCache) { + var self = this; + var dict = image.dict; + var w = dict.get('Width', 'W'); + var h = dict.get('Height', 'H'); + + if (!(w && isNum(w)) || !(h && isNum(h))) { + warn('Image dimensions are missing, or not numbers.'); + return; + } + var maxImageSize = this.options.maxImageSize; + if (maxImageSize !== -1 && w * h > maxImageSize) { + warn('Image exceeded maximum allowed size and was removed.'); + return; + } + + var imageMask = (dict.get('ImageMask', 'IM') || false); + var imgData, args; + if (imageMask) { + // This depends on a tmpCanvas being filled with the + // current fillStyle, such that processing the pixel + // data can't be done here. Instead of creating a + // complete PDFImage, only read the information needed + // for later. + + var width = dict.get('Width', 'W'); + var height = dict.get('Height', 'H'); + var bitStrideLength = (width + 7) >> 3; + var imgArray = image.getBytes(bitStrideLength * height); + var decode = dict.getArray('Decode', 'D'); + var inverseDecode = (!!decode && decode[0] > 0); + + imgData = PDFImage.createMask(imgArray, width, height, + image instanceof DecodeStream, + inverseDecode); + imgData.cached = true; + args = [imgData]; + operatorList.addOp(OPS.paintImageMaskXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageMaskXObject, + args: args + }; + } + return; + } + + var softMask = (dict.get('SMask', 'SM') || false); + var mask = (dict.get('Mask') || false); + + var SMALL_IMAGE_DIMENSIONS = 200; + // Inlining small images into the queue as RGB data + if (inline && !softMask && !mask && !(image instanceof JpegStream) && + (w + h) < SMALL_IMAGE_DIMENSIONS) { + var imageObj = new PDFImage(this.xref, resources, image, + inline, null, null); + // We force the use of RGBA_32BPP images here, because we can't handle + // any other kind. + imgData = imageObj.createImageData(/* forceRGBA = */ true); + operatorList.addOp(OPS.paintInlineImageXObject, [imgData]); + return; + } + + // If there is no imageMask, create the PDFImage and a lot + // of image processing can be done here. + var uniquePrefix = (this.uniquePrefix || ''); + var objId = 'img_' + uniquePrefix + (++this.idCounters.obj); + operatorList.addDependency(objId); + args = [objId, w, h]; + + if (!softMask && !mask && image instanceof JpegStream && + NativeImageDecoder.isSupported(image, this.xref, resources)) { + // These JPEGs don't need any more processing so we can just send it. + operatorList.addOp(OPS.paintJpegXObject, args); + this.handler.send('obj', + [objId, this.pageIndex, 'JpegStream', + image.getIR(this.options.forceDataSchema)]); + return; + } + + // Creates native image decoder only if a JPEG image or mask is present. + var nativeImageDecoder = null; + if (image instanceof JpegStream || mask instanceof JpegStream || + softMask instanceof JpegStream) { + nativeImageDecoder = new NativeImageDecoder(self.xref, resources, + self.handler, self.options.forceDataSchema); + } + + PDFImage.buildImage(self.handler, self.xref, resources, image, inline, + nativeImageDecoder). + then(function(imageObj) { + var imgData = imageObj.createImageData(/* forceRGBA = */ false); + self.handler.send('obj', [objId, self.pageIndex, 'Image', imgData], + [imgData.data.buffer]); + }).then(undefined, function (reason) { + warn('Unable to decode image: ' + reason); + self.handler.send('obj', [objId, self.pageIndex, 'Image', null]); + }); + + operatorList.addOp(OPS.paintImageXObject, args); + if (cacheKey) { + imageCache[cacheKey] = { + fn: OPS.paintImageXObject, + args: args + }; + } + }, + + handleSMask: function PartialEvaluator_handleSmask(smask, resources, + operatorList, task, + stateManager) { + var smaskContent = smask.get('G'); + var smaskOptions = { + subtype: smask.get('S').name, + backdrop: smask.get('BC') + }; + + // The SMask might have a alpha/luminosity value transfer function -- + // we will build a map of integer values in range 0..255 to be fast. + var transferObj = smask.get('TR'); + if (isPDFFunction(transferObj)) { + var transferFn = PDFFunction.parse(this.xref, transferObj); + var transferMap = new Uint8Array(256); + var tmp = new Float32Array(1); + for (var i = 0; i < 256; i++) { + tmp[0] = i / 255; + transferFn(tmp, 0, tmp, 0); + transferMap[i] = (tmp[0] * 255) | 0; + } + smaskOptions.transferMap = transferMap; + } + + return this.buildFormXObject(resources, smaskContent, smaskOptions, + operatorList, task, stateManager.state.clone()); + }, + + handleTilingType: + function PartialEvaluator_handleTilingType(fn, args, resources, + pattern, patternDict, + operatorList, task) { + // Create an IR of the pattern code. + var tilingOpList = new OperatorList(); + // Merge the available resources, to prevent issues when the patternDict + // is missing some /Resources entries (fixes issue6541.pdf). + var resourcesArray = [patternDict.get('Resources'), resources]; + var patternResources = Dict.merge(this.xref, resourcesArray); + + return this.getOperatorList(pattern, task, patternResources, + tilingOpList).then(function () { + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + operatorList.addDependencies(tilingOpList.dependencies); + operatorList.addOp(fn, getTilingPatternIR({ + fnArray: tilingOpList.fnArray, + argsArray: tilingOpList.argsArray + }, patternDict, args)); + }); + }, + + handleSetFont: + function PartialEvaluator_handleSetFont(resources, fontArgs, fontRef, + operatorList, task, state) { + // TODO(mack): Not needed? + var fontName; + if (fontArgs) { + fontArgs = fontArgs.slice(); + fontName = fontArgs[0].name; + } + + var self = this; + return this.loadFont(fontName, fontRef, this.xref, resources).then( + function (translated) { + if (!translated.font.isType3Font) { + return translated; + } + return translated.loadType3Data(self, resources, operatorList, task). + then(function () { + return translated; + }, function (reason) { + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.font}); + return new TranslatedFont('g_font_error', + new ErrorFont('Type3 font load error: ' + reason), translated.font); + }); + }).then(function (translated) { + state.font = translated.font; + translated.send(self.handler); + return translated.loadedName; + }); + }, + + handleText: function PartialEvaluator_handleText(chars, state) { + var font = state.font; + var glyphs = font.charsToGlyphs(chars); + var isAddToPathSet = !!(state.textRenderingMode & + TextRenderingMode.ADD_TO_PATH_FLAG); + if (font.data && (isAddToPathSet || this.options.disableFontFace)) { + var buildPath = function (fontChar) { + if (!font.renderer.hasBuiltPath(fontChar)) { + var path = font.renderer.getPathJs(fontChar); + this.handler.send('commonobj', [ + font.loadedName + '_path_' + fontChar, + 'FontPath', + path + ]); + } + }.bind(this); + + for (var i = 0, ii = glyphs.length; i < ii; i++) { + var glyph = glyphs[i]; + buildPath(glyph.fontChar); + + // If the glyph has an accent we need to build a path for its + // fontChar too, otherwise CanvasGraphics_paintChar will fail. + var accent = glyph.accent; + if (accent && accent.fontChar) { + buildPath(accent.fontChar); + } + } + } + + return glyphs; + }, + + setGState: function PartialEvaluator_setGState(resources, gState, + operatorList, task, + xref, stateManager) { + // This array holds the converted/processed state data. + var gStateObj = []; + var gStateKeys = gState.getKeys(); + var self = this; + var promise = Promise.resolve(); + for (var i = 0, ii = gStateKeys.length; i < ii; i++) { + var key = gStateKeys[i]; + var value = gState.get(key); + switch (key) { + case 'Type': + break; + case 'LW': + case 'LC': + case 'LJ': + case 'ML': + case 'D': + case 'RI': + case 'FL': + case 'CA': + case 'ca': + gStateObj.push([key, value]); + break; + case 'Font': + promise = promise.then(function () { + return self.handleSetFont(resources, null, value[0], operatorList, + task, stateManager.state). + then(function (loadedName) { + operatorList.addDependency(loadedName); + gStateObj.push([key, [loadedName, value[1]]]); + }); + }); + break; + case 'BM': + gStateObj.push([key, value]); + break; + case 'SMask': + if (isName(value, 'None')) { + gStateObj.push([key, false]); + break; + } + if (isDict(value)) { + promise = promise.then(function (dict) { + return self.handleSMask(dict, resources, operatorList, + task, stateManager); + }.bind(this, value)); + gStateObj.push([key, true]); + } else { + warn('Unsupported SMask type'); + } + + break; + // Only generate info log messages for the following since + // they are unlikely to have a big impact on the rendering. + case 'OP': + case 'op': + case 'OPM': + case 'BG': + case 'BG2': + case 'UCR': + case 'UCR2': + case 'TR': + case 'TR2': + case 'HT': + case 'SM': + case 'SA': + case 'AIS': + case 'TK': + // TODO implement these operators. + info('graphic state operator ' + key); + break; + default: + info('Unknown graphic state operator ' + key); + break; + } + } + return promise.then(function () { + if (gStateObj.length > 0) { + operatorList.addOp(OPS.setGState, [gStateObj]); + } + }); + }, + + loadFont: function PartialEvaluator_loadFont(fontName, font, xref, + resources) { + + function errorFont() { + return Promise.resolve(new TranslatedFont('g_font_error', + new ErrorFont('Font ' + fontName + ' is not available'), font)); + } + var fontRef; + if (font) { // Loading by ref. + assert(isRef(font)); + fontRef = font; + } else { // Loading by name. + var fontRes = resources.get('Font'); + if (fontRes) { + fontRef = fontRes.getRaw(fontName); + } else { + warn('fontRes not available'); + return errorFont(); + } + } + if (!fontRef) { + warn('fontRef not available'); + return errorFont(); + } + + if (this.fontCache.has(fontRef)) { + return this.fontCache.get(fontRef); + } + + font = xref.fetchIfRef(fontRef); + if (!isDict(font)) { + return errorFont(); + } + + // We are holding `font.translated` references just for `fontRef`s that + // are not actually `Ref`s, but rather `Dict`s. See explanation below. + if (font.translated) { + return font.translated; + } + + var fontCapability = createPromiseCapability(); + + var preEvaluatedFont = this.preEvaluateFont(font, xref); + var descriptor = preEvaluatedFont.descriptor; + + var fontRefIsRef = isRef(fontRef), fontID; + if (fontRefIsRef) { + fontID = fontRef.toString(); + } + + if (isDict(descriptor)) { + if (!descriptor.fontAliases) { + descriptor.fontAliases = Object.create(null); + } + + var fontAliases = descriptor.fontAliases; + var hash = preEvaluatedFont.hash; + if (fontAliases[hash]) { + var aliasFontRef = fontAliases[hash].aliasRef; + if (fontRefIsRef && aliasFontRef && + this.fontCache.has(aliasFontRef)) { + this.fontCache.putAlias(fontRef, aliasFontRef); + return this.fontCache.get(fontRef); + } + } else { + fontAliases[hash] = { + fontID: Font.getFontID() + }; + } + + if (fontRefIsRef) { + fontAliases[hash].aliasRef = fontRef; + } + fontID = fontAliases[hash].fontID; + } + + // Workaround for bad PDF generators that reference fonts incorrectly, + // where `fontRef` is a `Dict` rather than a `Ref` (fixes bug946506.pdf). + // In this case we should not put the font into `this.fontCache` (which is + // a `RefSetCache`), since it's not meaningful to use a `Dict` as a key. + // + // However, if we don't cache the font it's not possible to remove it + // when `cleanup` is triggered from the API, which causes issues on + // subsequent rendering operations (see issue7403.pdf). + // A simple workaround would be to just not hold `font.translated` + // references in this case, but this would force us to unnecessarily load + // the same fonts over and over. + // + // Instead, we cheat a bit by attempting to use a modified `fontID` as a + // key in `this.fontCache`, to allow the font to be cached. + // NOTE: This works because `RefSetCache` calls `toString()` on provided + // keys. Also, since `fontRef` is used when getting cached fonts, + // we'll not accidentally match fonts cached with the `fontID`. + if (fontRefIsRef) { + this.fontCache.put(fontRef, fontCapability.promise); + } else { + if (!fontID) { + fontID = (this.uniquePrefix || 'F_') + (++this.idCounters.obj); + } + this.fontCache.put('id_' + fontID, fontCapability.promise); + } + assert(fontID, 'The "fontID" must be defined.'); + + // Keep track of each font we translated so the caller can + // load them asynchronously before calling display on a page. + font.loadedName = 'g_' + this.pdfManager.docId + '_f' + fontID; + + font.translated = fontCapability.promise; + + // TODO move promises into translate font + var translatedPromise; + try { + translatedPromise = this.translateFont(preEvaluatedFont, xref); + } catch (e) { + translatedPromise = Promise.reject(e); + } + + var self = this; + translatedPromise.then(function (translatedFont) { + if (translatedFont.fontType !== undefined) { + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[translatedFont.fontType] = true; + } + + fontCapability.resolve(new TranslatedFont(font.loadedName, + translatedFont, font)); + }, function (reason) { + // TODO fontCapability.reject? + // Error in the font data -- sending unsupported feature notification. + self.handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.font}); + + try { + // error, but it's still nice to have font type reported + var descriptor = preEvaluatedFont.descriptor; + var fontFile3 = descriptor && descriptor.get('FontFile3'); + var subtype = fontFile3 && fontFile3.get('Subtype'); + var fontType = getFontType(preEvaluatedFont.type, + subtype && subtype.name); + var xrefFontStats = xref.stats.fontTypes; + xrefFontStats[fontType] = true; + } catch (ex) { } + + fontCapability.resolve(new TranslatedFont(font.loadedName, + new ErrorFont(reason instanceof Error ? reason.message : reason), + font)); + }); + return fontCapability.promise; + }, + + buildPath: function PartialEvaluator_buildPath(operatorList, fn, args) { + var lastIndex = operatorList.length - 1; + if (!args) { + args = []; + } + if (lastIndex < 0 || + operatorList.fnArray[lastIndex] !== OPS.constructPath) { + operatorList.addOp(OPS.constructPath, [[fn], args]); + } else { + var opArgs = operatorList.argsArray[lastIndex]; + opArgs[0].push(fn); + Array.prototype.push.apply(opArgs[1], args); + } + }, + + handleColorN: function PartialEvaluator_handleColorN(operatorList, fn, args, + cs, patterns, resources, task, xref) { + // compile tiling patterns + var patternName = args[args.length - 1]; + // SCN/scn applies patterns along with normal colors + var pattern; + if (isName(patternName) && + (pattern = patterns.get(patternName.name))) { + var dict = (isStream(pattern) ? pattern.dict : pattern); + var typeNum = dict.get('PatternType'); + + if (typeNum === TILING_PATTERN) { + var color = cs.base ? cs.base.getRgb(args, 0) : null; + return this.handleTilingType(fn, color, resources, pattern, + dict, operatorList, task); + } else if (typeNum === SHADING_PATTERN) { + var shading = dict.get('Shading'); + var matrix = dict.getArray('Matrix'); + pattern = Pattern.parseShading(shading, matrix, xref, resources, + this.handler); + operatorList.addOp(fn, pattern.getIR()); + return Promise.resolve(); + } else { + return Promise.reject('Unknown PatternType: ' + typeNum); + } + } + // TODO shall we fail here? + operatorList.addOp(fn, args); + return Promise.resolve(); + }, + + getOperatorList: function PartialEvaluator_getOperatorList(stream, + task, + resources, + operatorList, + initialState) { + + var self = this; + var xref = this.xref; + var imageCache = Object.create(null); + + assert(operatorList); + + resources = (resources || Dict.empty); + var xobjs = (resources.get('XObject') || Dict.empty); + var patterns = (resources.get('Pattern') || Dict.empty); + var stateManager = new StateManager(initialState || new EvalState()); + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + var timeSlotManager = new TimeSlotManager(); + + return new Promise(function promiseBody(resolve, reject) { + var next = function (promise) { + promise.then(function () { + try { + promiseBody(resolve, reject); + } catch (ex) { + reject(ex); + } + }, reject); + }; + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, i, ii, cs; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are used beyond this loop, so we + // cannot reuse the same array on each iteration. Therefore we pass + // in |null| as the initial value (see the comment on + // EvaluatorPreprocessor_read() for why). + operation.args = null; + if (!(preprocessor.read(operation))) { + break; + } + var args = operation.args; + var fn = operation.fn; + + switch (fn | 0) { + case OPS.paintXObject: + if (args[0].code) { + break; + } + // eagerly compile XForm objects + var name = args[0].name; + if (!name) { + warn('XObject must be referred to by name.'); + continue; + } + if (imageCache[name] !== undefined) { + operatorList.addOp(imageCache[name].fn, imageCache[name].args); + args = null; + continue; + } + + var xobj = xobjs.get(name); + if (xobj) { + assert(isStream(xobj), 'XObject should be a stream'); + + var type = xobj.dict.get('Subtype'); + assert(isName(type), 'XObject should have a Name subtype'); + + if (type.name === 'Form') { + stateManager.save(); + next(self.buildFormXObject(resources, xobj, null, + operatorList, task, + stateManager.state.clone()). + then(function () { + stateManager.restore(); + })); + return; + } else if (type.name === 'Image') { + self.buildPaintImageXObject(resources, xobj, false, + operatorList, name, imageCache); + args = null; + continue; + } else if (type.name === 'PS') { + // PostScript XObjects are unused when viewing documents. + // See section 4.7.1 of Adobe's PDF reference. + info('Ignored XObject subtype PS'); + continue; + } else { + error('Unhandled XObject subtype ' + type.name); + } + } + break; + case OPS.setFont: + var fontSize = args[1]; + // eagerly collect all fonts + next(self.handleSetFont(resources, args, null, operatorList, + task, stateManager.state). + then(function (loadedName) { + operatorList.addDependency(loadedName); + operatorList.addOp(OPS.setFont, [loadedName, fontSize]); + })); + return; + case OPS.endInlineImage: + var cacheKey = args[0].cacheKey; + if (cacheKey) { + var cacheEntry = imageCache[cacheKey]; + if (cacheEntry !== undefined) { + operatorList.addOp(cacheEntry.fn, cacheEntry.args); + args = null; + continue; + } + } + self.buildPaintImageXObject(resources, args[0], true, + operatorList, cacheKey, imageCache); + args = null; + continue; + case OPS.showText: + args[0] = self.handleText(args[0], stateManager.state); + break; + case OPS.showSpacedText: + var arr = args[0]; + var combinedGlyphs = []; + var arrLength = arr.length; + var state = stateManager.state; + for (i = 0; i < arrLength; ++i) { + var arrItem = arr[i]; + if (isString(arrItem)) { + Array.prototype.push.apply(combinedGlyphs, + self.handleText(arrItem, state)); + } else if (isNum(arrItem)) { + combinedGlyphs.push(arrItem); + } + } + args[0] = combinedGlyphs; + fn = OPS.showText; + break; + case OPS.nextLineShowText: + operatorList.addOp(OPS.nextLine); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.nextLineSetSpacingShowText: + operatorList.addOp(OPS.nextLine); + operatorList.addOp(OPS.setWordSpacing, [args.shift()]); + operatorList.addOp(OPS.setCharSpacing, [args.shift()]); + args[0] = self.handleText(args[0], stateManager.state); + fn = OPS.showText; + break; + case OPS.setTextRenderingMode: + stateManager.state.textRenderingMode = args[0]; + break; + + case OPS.setFillColorSpace: + stateManager.state.fillColorSpace = + ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setStrokeColorSpace: + stateManager.state.strokeColorSpace = + ColorSpace.parse(args[0], xref, resources); + continue; + case OPS.setFillColor: + cs = stateManager.state.fillColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColor: + cs = stateManager.state.strokeColorSpace; + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillGray: + stateManager.state.fillColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeGray: + stateManager.state.strokeColorSpace = ColorSpace.singletons.gray; + args = ColorSpace.singletons.gray.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillCMYKColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeCMYKColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.cmyk; + args = ColorSpace.singletons.cmyk.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + case OPS.setFillRGBColor: + stateManager.state.fillColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setStrokeRGBColor: + stateManager.state.strokeColorSpace = ColorSpace.singletons.rgb; + args = ColorSpace.singletons.rgb.getRgb(args, 0); + break; + case OPS.setFillColorN: + cs = stateManager.state.fillColorSpace; + if (cs.name === 'Pattern') { + next(self.handleColorN(operatorList, OPS.setFillColorN, args, + cs, patterns, resources, task, xref)); + return; + } + args = cs.getRgb(args, 0); + fn = OPS.setFillRGBColor; + break; + case OPS.setStrokeColorN: + cs = stateManager.state.strokeColorSpace; + if (cs.name === 'Pattern') { + next(self.handleColorN(operatorList, OPS.setStrokeColorN, args, + cs, patterns, resources, task, xref)); + return; + } + args = cs.getRgb(args, 0); + fn = OPS.setStrokeRGBColor; + break; + + case OPS.shadingFill: + var shadingRes = resources.get('Shading'); + if (!shadingRes) { + error('No shading resource found'); + } + + var shading = shadingRes.get(args[0].name); + if (!shading) { + error('No shading object found'); + } + + var shadingFill = Pattern.parseShading(shading, null, xref, + resources, self.handler); + var patternIR = shadingFill.getIR(); + args = [patternIR]; + fn = OPS.shadingFill; + break; + case OPS.setGState: + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + + if (!isDict(extGState) || !extGState.has(dictName.name)) { + break; + } + + var gState = extGState.get(dictName.name); + next(self.setGState(resources, gState, operatorList, task, xref, + stateManager)); + return; + case OPS.moveTo: + case OPS.lineTo: + case OPS.curveTo: + case OPS.curveTo2: + case OPS.curveTo3: + case OPS.closePath: + self.buildPath(operatorList, fn, args); + continue; + case OPS.rectangle: + self.buildPath(operatorList, fn, args); + continue; + case OPS.markPoint: + case OPS.markPointProps: + case OPS.beginMarkedContent: + case OPS.beginMarkedContentProps: + case OPS.endMarkedContent: + case OPS.beginCompat: + case OPS.endCompat: + // Ignore operators where the corresponding handlers are known to + // be no-op in CanvasGraphics (display/canvas.js). This prevents + // serialization errors and is also a bit more efficient. + // We could also try to serialize all objects in a general way, + // e.g. as done in https://github.com/mozilla/pdf.js/pull/6266, + // but doing so is meaningless without knowing the semantics. + continue; + default: + // Note: Ignore the operator if it has `Dict` arguments, since + // those are non-serializable, otherwise postMessage will throw + // "An object could not be cloned.". + if (args !== null) { + for (i = 0, ii = args.length; i < ii; i++) { + if (args[i] instanceof Dict) { + break; + } + } + if (i < ii) { + warn('getOperatorList - ignoring operator: ' + fn); + continue; + } + } + } + operatorList.addOp(fn, args); + } + if (stop) { + next(deferred); + return; + } + // Some PDFs don't close all restores inside object/form. + // Closing those for them. + for (i = 0, ii = preprocessor.savedStatesDepth; i < ii; i++) { + operatorList.addOp(OPS.restore, []); + } + resolve(); + }); + }, + + getTextContent: + function PartialEvaluator_getTextContent(stream, task, resources, + stateManager, + normalizeWhitespace, + combineTextItems) { + + stateManager = (stateManager || new StateManager(new TextState())); + + var WhitespaceRegexp = /\s/g; + + var textContent = { + items: [], + styles: Object.create(null) + }; + var textContentItem = { + initialized: false, + str: [], + width: 0, + height: 0, + vertical: false, + lastAdvanceWidth: 0, + lastAdvanceHeight: 0, + textAdvanceScale: 0, + spaceWidth: 0, + fakeSpaceMin: Infinity, + fakeMultiSpaceMin: Infinity, + fakeMultiSpaceMax: -0, + textRunBreakAllowed: false, + transform: null, + fontName: null + }; + var SPACE_FACTOR = 0.3; + var MULTI_SPACE_FACTOR = 1.5; + var MULTI_SPACE_FACTOR_MAX = 4; + + var self = this; + var xref = this.xref; + + resources = (xref.fetchIfRef(resources) || Dict.empty); + + // The xobj is parsed iff it's needed, e.g. if there is a `DO` cmd. + var xobjs = null; + var xobjsCache = Object.create(null); + + var preprocessor = new EvaluatorPreprocessor(stream, xref, stateManager); + + var textState; + + function ensureTextContentItem() { + if (textContentItem.initialized) { + return textContentItem; + } + var font = textState.font; + if (!(font.loadedName in textContent.styles)) { + textContent.styles[font.loadedName] = { + fontFamily: font.fallbackName, + ascent: font.ascent, + descent: font.descent, + vertical: font.vertical + }; + } + textContentItem.fontName = font.loadedName; + + // 9.4.4 Text Space Details + var tsm = [textState.fontSize * textState.textHScale, 0, + 0, textState.fontSize, + 0, textState.textRise]; + + if (font.isType3Font && + textState.fontMatrix !== FONT_IDENTITY_MATRIX && + textState.fontSize === 1) { + var glyphHeight = font.bbox[3] - font.bbox[1]; + if (glyphHeight > 0) { + glyphHeight = glyphHeight * textState.fontMatrix[3]; + tsm[3] *= glyphHeight; + } + } + + var trm = Util.transform(textState.ctm, + Util.transform(textState.textMatrix, tsm)); + textContentItem.transform = trm; + if (!font.vertical) { + textContentItem.width = 0; + textContentItem.height = Math.sqrt(trm[2] * trm[2] + trm[3] * trm[3]); + textContentItem.vertical = false; + } else { + textContentItem.width = Math.sqrt(trm[0] * trm[0] + trm[1] * trm[1]); + textContentItem.height = 0; + textContentItem.vertical = true; + } + + var a = textState.textLineMatrix[0]; + var b = textState.textLineMatrix[1]; + var scaleLineX = Math.sqrt(a * a + b * b); + a = textState.ctm[0]; + b = textState.ctm[1]; + var scaleCtmX = Math.sqrt(a * a + b * b); + textContentItem.textAdvanceScale = scaleCtmX * scaleLineX; + textContentItem.lastAdvanceWidth = 0; + textContentItem.lastAdvanceHeight = 0; + + var spaceWidth = font.spaceWidth / 1000 * textState.fontSize; + if (spaceWidth) { + textContentItem.spaceWidth = spaceWidth; + textContentItem.fakeSpaceMin = spaceWidth * SPACE_FACTOR; + textContentItem.fakeMultiSpaceMin = spaceWidth * MULTI_SPACE_FACTOR; + textContentItem.fakeMultiSpaceMax = + spaceWidth * MULTI_SPACE_FACTOR_MAX; + // It's okay for monospace fonts to fake as much space as needed. + textContentItem.textRunBreakAllowed = !font.isMonospace; + } else { + textContentItem.spaceWidth = 0; + textContentItem.fakeSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMin = Infinity; + textContentItem.fakeMultiSpaceMax = 0; + textContentItem.textRunBreakAllowed = false; + } + + + textContentItem.initialized = true; + return textContentItem; + } + + function replaceWhitespace(str) { + // Replaces all whitespaces with standard spaces (0x20), to avoid + // alignment issues between the textLayer and the canvas if the text + // contains e.g. tabs (fixes issue6612.pdf). + var i = 0, ii = str.length, code; + while (i < ii && (code = str.charCodeAt(i)) >= 0x20 && code <= 0x7F) { + i++; + } + return (i < ii ? str.replace(WhitespaceRegexp, ' ') : str); + } + + function runBidiTransform(textChunk) { + var str = textChunk.str.join(''); + var bidiResult = bidi(str, -1, textChunk.vertical); + return { + str: (normalizeWhitespace ? replaceWhitespace(bidiResult.str) : + bidiResult.str), + dir: bidiResult.dir, + width: textChunk.width, + height: textChunk.height, + transform: textChunk.transform, + fontName: textChunk.fontName + }; + } + + function handleSetFont(fontName, fontRef) { + return self.loadFont(fontName, fontRef, xref, resources). + then(function (translated) { + textState.font = translated.font; + textState.fontMatrix = translated.font.fontMatrix || + FONT_IDENTITY_MATRIX; + }); + } + + function buildTextContentItem(chars) { + var font = textState.font; + var textChunk = ensureTextContentItem(); + var width = 0; + var height = 0; + var glyphs = font.charsToGlyphs(chars); + var defaultVMetrics = font.defaultVMetrics; + for (var i = 0; i < glyphs.length; i++) { + var glyph = glyphs[i]; + var vMetricX = null; + var vMetricY = null; + var glyphWidth = null; + if (font.vertical) { + if (glyph.vmetric) { + glyphWidth = glyph.vmetric[0]; + vMetricX = glyph.vmetric[1]; + vMetricY = glyph.vmetric[2]; + } else { + glyphWidth = glyph.width; + vMetricX = glyph.width * 0.5; + vMetricY = defaultVMetrics[2]; + } + } else { + glyphWidth = glyph.width; + } + + var glyphUnicode = glyph.unicode; + var NormalizedUnicodes = getNormalizedUnicodes(); + if (NormalizedUnicodes[glyphUnicode] !== undefined) { + glyphUnicode = NormalizedUnicodes[glyphUnicode]; + } + glyphUnicode = reverseIfRtl(glyphUnicode); + + // The following will calculate the x and y of the individual glyphs. + // if (font.vertical) { + // tsm[4] -= vMetricX * Math.abs(textState.fontSize) * + // textState.fontMatrix[0]; + // tsm[5] -= vMetricY * textState.fontSize * + // textState.fontMatrix[0]; + // } + // var trm = Util.transform(textState.textMatrix, tsm); + // var pt = Util.applyTransform([trm[4], trm[5]], textState.ctm); + // var x = pt[0]; + // var y = pt[1]; + + var charSpacing = textState.charSpacing; + if (glyph.isSpace) { + var wordSpacing = textState.wordSpacing; + charSpacing += wordSpacing; + if (wordSpacing > 0) { + addFakeSpaces(wordSpacing, textChunk.str); + } + } + + var tx = 0; + var ty = 0; + if (!font.vertical) { + var w0 = glyphWidth * textState.fontMatrix[0]; + tx = (w0 * textState.fontSize + charSpacing) * + textState.textHScale; + width += tx; + } else { + var w1 = glyphWidth * textState.fontMatrix[0]; + ty = w1 * textState.fontSize + charSpacing; + height += ty; + } + textState.translateTextMatrix(tx, ty); + + textChunk.str.push(glyphUnicode); + } + + if (!font.vertical) { + textChunk.lastAdvanceWidth = width; + textChunk.width += width * textChunk.textAdvanceScale; + } else { + textChunk.lastAdvanceHeight = height; + textChunk.height += Math.abs(height * textChunk.textAdvanceScale); + } + + return textChunk; + } + + function addFakeSpaces(width, strBuf) { + if (width < textContentItem.fakeSpaceMin) { + return; + } + if (width < textContentItem.fakeMultiSpaceMin) { + strBuf.push(' '); + return; + } + var fakeSpaces = Math.round(width / textContentItem.spaceWidth); + while (fakeSpaces-- > 0) { + strBuf.push(' '); + } + } + + function flushTextContentItem() { + if (!textContentItem.initialized) { + return; + } + textContent.items.push(runBidiTransform(textContentItem)); + + textContentItem.initialized = false; + textContentItem.str.length = 0; + } + + var timeSlotManager = new TimeSlotManager(); + + return new Promise(function promiseBody(resolve, reject) { + var next = function (promise) { + promise.then(function () { + try { + promiseBody(resolve, reject); + } catch (ex) { + reject(ex); + } + }, reject); + }; + task.ensureNotTerminated(); + timeSlotManager.reset(); + var stop, operation = {}, args = []; + while (!(stop = timeSlotManager.check())) { + // The arguments parsed by read() are not used beyond this loop, so + // we can reuse the same array on every iteration, thus avoiding + // unnecessary allocations. + args.length = 0; + operation.args = args; + if (!(preprocessor.read(operation))) { + break; + } + textState = stateManager.state; + var fn = operation.fn; + args = operation.args; + var advance, diff; + + switch (fn | 0) { + case OPS.setFont: + // Optimization to ignore multiple identical Tf commands. + var fontNameArg = args[0].name, fontSizeArg = args[1]; + if (textState.font && fontNameArg === textState.fontName && + fontSizeArg === textState.fontSize) { + break; + } + + flushTextContentItem(); + textState.fontName = fontNameArg; + textState.fontSize = fontSizeArg; + next(handleSetFont(fontNameArg, null)); + return; + case OPS.setTextRise: + flushTextContentItem(); + textState.textRise = args[0]; + break; + case OPS.setHScale: + flushTextContentItem(); + textState.textHScale = args[0] / 100; + break; + case OPS.setLeading: + flushTextContentItem(); + textState.leading = args[0]; + break; + case OPS.moveText: + // Optimization to treat same line movement as advance + var isSameTextLine = !textState.font ? false : + ((textState.font.vertical ? args[0] : args[1]) === 0); + advance = args[0] - args[1]; + if (combineTextItems && + isSameTextLine && textContentItem.initialized && + advance > 0 && + advance <= textContentItem.fakeMultiSpaceMax) { + textState.translateTextLineMatrix(args[0], args[1]); + textContentItem.width += + (args[0] - textContentItem.lastAdvanceWidth); + textContentItem.height += + (args[1] - textContentItem.lastAdvanceHeight); + diff = (args[0] - textContentItem.lastAdvanceWidth) - + (args[1] - textContentItem.lastAdvanceHeight); + addFakeSpaces(diff, textContentItem.str); + break; + } + + flushTextContentItem(); + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.setLeadingMoveText: + flushTextContentItem(); + textState.leading = -args[1]; + textState.translateTextLineMatrix(args[0], args[1]); + textState.textMatrix = textState.textLineMatrix.slice(); + break; + case OPS.nextLine: + flushTextContentItem(); + textState.carriageReturn(); + break; + case OPS.setTextMatrix: + // Optimization to treat same line movement as advance. + advance = textState.calcTextLineMatrixAdvance( + args[0], args[1], args[2], args[3], args[4], args[5]); + if (combineTextItems && + advance !== null && textContentItem.initialized && + advance.value > 0 && + advance.value <= textContentItem.fakeMultiSpaceMax) { + textState.translateTextLineMatrix(advance.width, + advance.height); + textContentItem.width += + (advance.width - textContentItem.lastAdvanceWidth); + textContentItem.height += + (advance.height - textContentItem.lastAdvanceHeight); + diff = (advance.width - textContentItem.lastAdvanceWidth) - + (advance.height - textContentItem.lastAdvanceHeight); + addFakeSpaces(diff, textContentItem.str); + break; + } + + flushTextContentItem(); + textState.setTextMatrix(args[0], args[1], args[2], args[3], + args[4], args[5]); + textState.setTextLineMatrix(args[0], args[1], args[2], args[3], + args[4], args[5]); + break; + case OPS.setCharSpacing: + textState.charSpacing = args[0]; + break; + case OPS.setWordSpacing: + textState.wordSpacing = args[0]; + break; + case OPS.beginText: + flushTextContentItem(); + textState.textMatrix = IDENTITY_MATRIX.slice(); + textState.textLineMatrix = IDENTITY_MATRIX.slice(); + break; + case OPS.showSpacedText: + var items = args[0]; + var offset; + for (var j = 0, jj = items.length; j < jj; j++) { + if (typeof items[j] === 'string') { + buildTextContentItem(items[j]); + } else { + ensureTextContentItem(); + + // PDF Specification 5.3.2 states: + // The number is expressed in thousandths of a unit of text + // space. + // This amount is subtracted from the current horizontal or + // vertical coordinate, depending on the writing mode. + // In the default coordinate system, a positive adjustment + // has the effect of moving the next glyph painted either to + // the left or down by the given amount. + advance = items[j] * textState.fontSize / 1000; + var breakTextRun = false; + if (textState.font.vertical) { + offset = advance * + (textState.textHScale * textState.textMatrix[2] + + textState.textMatrix[3]); + textState.translateTextMatrix(0, advance); + breakTextRun = textContentItem.textRunBreakAllowed && + advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be added to height to paint down. + textContentItem.height += offset; + } + } else { + advance = -advance; + offset = advance * ( + textState.textHScale * textState.textMatrix[0] + + textState.textMatrix[1]); + textState.translateTextMatrix(advance, 0); + breakTextRun = textContentItem.textRunBreakAllowed && + advance > textContentItem.fakeMultiSpaceMax; + if (!breakTextRun) { + // Value needs to be subtracted from width to paint left. + textContentItem.width += offset; + } + } + if (breakTextRun) { + flushTextContentItem(); + } else if (advance > 0) { + addFakeSpaces(advance, textContentItem.str); + } + } + } + break; + case OPS.showText: + buildTextContentItem(args[0]); + break; + case OPS.nextLineShowText: + flushTextContentItem(); + textState.carriageReturn(); + buildTextContentItem(args[0]); + break; + case OPS.nextLineSetSpacingShowText: + flushTextContentItem(); + textState.wordSpacing = args[0]; + textState.charSpacing = args[1]; + textState.carriageReturn(); + buildTextContentItem(args[2]); + break; + case OPS.paintXObject: + flushTextContentItem(); + if (args[0].code) { + break; + } + + if (!xobjs) { + xobjs = (resources.get('XObject') || Dict.empty); + } + + var name = args[0].name; + if (xobjsCache.key === name) { + if (xobjsCache.texts) { + Util.appendToArray(textContent.items, xobjsCache.texts.items); + Util.extendObj(textContent.styles, xobjsCache.texts.styles); + } + break; + } + + var xobj = xobjs.get(name); + if (!xobj) { + break; + } + assert(isStream(xobj), 'XObject should be a stream'); + + var type = xobj.dict.get('Subtype'); + assert(isName(type), 'XObject should have a Name subtype'); + + if ('Form' !== type.name) { + xobjsCache.key = name; + xobjsCache.texts = null; + break; + } + + stateManager.save(); + var matrix = xobj.dict.getArray('Matrix'); + if (isArray(matrix) && matrix.length === 6) { + stateManager.transform(matrix); + } + + next(self.getTextContent(xobj, task, + xobj.dict.get('Resources') || resources, stateManager, + normalizeWhitespace, combineTextItems).then( + function (formTextContent) { + Util.appendToArray(textContent.items, formTextContent.items); + Util.extendObj(textContent.styles, formTextContent.styles); + stateManager.restore(); + + xobjsCache.key = name; + xobjsCache.texts = formTextContent; + })); + return; + case OPS.setGState: + flushTextContentItem(); + var dictName = args[0]; + var extGState = resources.get('ExtGState'); + + if (!isDict(extGState) || !isName(dictName)) { + break; + } + var gState = extGState.get(dictName.name); + if (!isDict(gState)) { + break; + } + var gStateFont = gState.get('Font'); + if (gStateFont) { + textState.fontName = null; + textState.fontSize = gStateFont[1]; + next(handleSetFont(null, gStateFont[0])); + return; + } + break; + } // switch + } // while + if (stop) { + next(deferred); + return; + } + flushTextContentItem(); + resolve(textContent); + }); + }, + + extractDataStructures: + function PartialEvaluator_extractDataStructures(dict, baseDict, + xref, properties) { + // 9.10.2 + var toUnicode = (dict.get('ToUnicode') || baseDict.get('ToUnicode')); + var toUnicodePromise = toUnicode ? + this.readToUnicode(toUnicode) : Promise.resolve(undefined); + + if (properties.composite) { + // CIDSystemInfo helps to match CID to glyphs + var cidSystemInfo = dict.get('CIDSystemInfo'); + if (isDict(cidSystemInfo)) { + properties.cidSystemInfo = { + registry: cidSystemInfo.get('Registry'), + ordering: cidSystemInfo.get('Ordering'), + supplement: cidSystemInfo.get('Supplement') + }; + } + + var cidToGidMap = dict.get('CIDToGIDMap'); + if (isStream(cidToGidMap)) { + properties.cidToGidMap = this.readCidToGidMap(cidToGidMap); + } + } + + // Based on 9.6.6 of the spec the encoding can come from multiple places + // and depends on the font type. The base encoding and differences are + // read here, but the encoding that is actually used is chosen during + // glyph mapping in the font. + // TODO: Loading the built in encoding in the font would allow the + // differences to be merged in here not require us to hold on to it. + var differences = []; + var baseEncodingName = null; + var encoding; + if (dict.has('Encoding')) { + encoding = dict.get('Encoding'); + if (isDict(encoding)) { + baseEncodingName = encoding.get('BaseEncoding'); + baseEncodingName = (isName(baseEncodingName) ? + baseEncodingName.name : null); + // Load the differences between the base and original + if (encoding.has('Differences')) { + var diffEncoding = encoding.get('Differences'); + var index = 0; + for (var j = 0, jj = diffEncoding.length; j < jj; j++) { + var data = xref.fetchIfRef(diffEncoding[j]); + if (isNum(data)) { + index = data; + } else if (isName(data)) { + differences[index++] = data.name; + } else { + error('Invalid entry in \'Differences\' array: ' + data); + } + } + } + } else if (isName(encoding)) { + baseEncodingName = encoding.name; + } else { + error('Encoding is not a Name nor a Dict'); + } + // According to table 114 if the encoding is a named encoding it must be + // one of these predefined encodings. + if ((baseEncodingName !== 'MacRomanEncoding' && + baseEncodingName !== 'MacExpertEncoding' && + baseEncodingName !== 'WinAnsiEncoding')) { + baseEncodingName = null; + } + } + + if (baseEncodingName) { + properties.defaultEncoding = getEncoding(baseEncodingName).slice(); + } else { + encoding = (properties.type === 'TrueType' ? + WinAnsiEncoding : StandardEncoding); + // The Symbolic attribute can be misused for regular fonts + // Heuristic: we have to check if the font is a standard one also + if (!!(properties.flags & FontFlags.Symbolic)) { + encoding = MacRomanEncoding; + if (!properties.file) { + if (/Symbol/i.test(properties.name)) { + encoding = SymbolSetEncoding; + } else if (/Dingbats/i.test(properties.name)) { + encoding = ZapfDingbatsEncoding; + } + } + } + properties.defaultEncoding = encoding; + } + + properties.differences = differences; + properties.baseEncodingName = baseEncodingName; + properties.hasEncoding = !!baseEncodingName || differences.length > 0; + properties.dict = dict; + return toUnicodePromise.then(function(toUnicode) { + properties.toUnicode = toUnicode; + return this.buildToUnicode(properties); + }.bind(this)).then(function (toUnicode) { + properties.toUnicode = toUnicode; + return properties; + }); + }, + + /** + * Builds a char code to unicode map based on section 9.10 of the spec. + * @param {Object} properties Font properties object. + * @return {Promise} A Promise that is resolved with a + * {ToUnicodeMap|IdentityToUnicodeMap} object. + */ + buildToUnicode: function PartialEvaluator_buildToUnicode(properties) { + properties.hasIncludedToUnicodeMap = + !!properties.toUnicode && properties.toUnicode.length > 0; + // Section 9.10.2 Mapping Character Codes to Unicode Values + if (properties.hasIncludedToUnicodeMap) { + return Promise.resolve(properties.toUnicode); + } + // According to the spec if the font is a simple font we should only map + // to unicode if the base encoding is MacRoman, MacExpert, or WinAnsi or + // the differences array only contains adobe standard or symbol set names, + // in pratice it seems better to always try to create a toUnicode + // map based of the default encoding. + var toUnicode, charcode, glyphName; + if (!properties.composite /* is simple font */) { + toUnicode = []; + var encoding = properties.defaultEncoding.slice(); + var baseEncodingName = properties.baseEncodingName; + // Merge in the differences array. + var differences = properties.differences; + for (charcode in differences) { + glyphName = differences[charcode]; + if (glyphName === '.notdef') { + // Skip .notdef to prevent rendering errors, e.g. boxes appearing + // where there should be spaces (fixes issue5256.pdf). + continue; + } + encoding[charcode] = glyphName; + } + var glyphsUnicodeMap = getGlyphsUnicode(); + for (charcode in encoding) { + // a) Map the character code to a character name. + glyphName = encoding[charcode]; + // b) Look up the character name in the Adobe Glyph List (see the + // Bibliography) to obtain the corresponding Unicode value. + if (glyphName === '') { + continue; + } else if (glyphsUnicodeMap[glyphName] === undefined) { + // (undocumented) c) Few heuristics to recognize unknown glyphs + // NOTE: Adobe Reader does not do this step, but OSX Preview does + var code = 0; + switch (glyphName[0]) { + case 'G': // Gxx glyph + if (glyphName.length === 3) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'g': // g00xx glyph + if (glyphName.length === 5) { + code = parseInt(glyphName.substr(1), 16); + } + break; + case 'C': // Cddd glyph + case 'c': // cddd glyph + if (glyphName.length >= 3) { + code = +glyphName.substr(1); + } + break; + default: + // 'uniXXXX'/'uXXXX{XX}' glyphs + var unicode = getUnicodeForGlyph(glyphName, glyphsUnicodeMap); + if (unicode !== -1) { + code = unicode; + } + } + if (code) { + // If |baseEncodingName| is one the predefined encodings, + // and |code| equals |charcode|, using the glyph defined in the + // baseEncoding seems to yield a better |toUnicode| mapping + // (fixes issue 5070). + if (baseEncodingName && code === +charcode) { + var baseEncoding = getEncoding(baseEncodingName); + if (baseEncoding && (glyphName = baseEncoding[charcode])) { + toUnicode[charcode] = + String.fromCharCode(glyphsUnicodeMap[glyphName]); + continue; + } + } + toUnicode[charcode] = String.fromCharCode(code); + } + continue; + } + toUnicode[charcode] = + String.fromCharCode(glyphsUnicodeMap[glyphName]); + } + return Promise.resolve(new ToUnicodeMap(toUnicode)); + } + // If the font is a composite font that uses one of the predefined CMaps + // listed in Table 118 (except Identity–H and Identity–V) or whose + // descendant CIDFont uses the Adobe-GB1, Adobe-CNS1, Adobe-Japan1, or + // Adobe-Korea1 character collection: + if (properties.composite && ( + (properties.cMap.builtInCMap && + !(properties.cMap instanceof IdentityCMap)) || + (properties.cidSystemInfo.registry === 'Adobe' && + (properties.cidSystemInfo.ordering === 'GB1' || + properties.cidSystemInfo.ordering === 'CNS1' || + properties.cidSystemInfo.ordering === 'Japan1' || + properties.cidSystemInfo.ordering === 'Korea1')))) { + // Then: + // a) Map the character code to a character identifier (CID) according + // to the font’s CMap. + // b) Obtain the registry and ordering of the character collection used + // by the font’s CMap (for example, Adobe and Japan1) from its + // CIDSystemInfo dictionary. + var registry = properties.cidSystemInfo.registry; + var ordering = properties.cidSystemInfo.ordering; + // c) Construct a second CMap name by concatenating the registry and + // ordering obtained in step (b) in the format registry–ordering–UCS2 + // (for example, Adobe–Japan1–UCS2). + var ucs2CMapName = Name.get(registry + '-' + ordering + '-UCS2'); + // d) Obtain the CMap with the name constructed in step (c) (available + // from the ASN Web site; see the Bibliography). + return CMapFactory.create(ucs2CMapName, this.options.cMapOptions, + null).then( + function (ucs2CMap) { + var cMap = properties.cMap; + toUnicode = []; + cMap.forEach(function(charcode, cid) { + assert(cid <= 0xffff, 'Max size of CID is 65,535'); + // e) Map the CID obtained in step (a) according to the CMap + // obtained in step (d), producing a Unicode value. + var ucs2 = ucs2CMap.lookup(cid); + if (ucs2) { + toUnicode[charcode] = + String.fromCharCode((ucs2.charCodeAt(0) << 8) + + ucs2.charCodeAt(1)); + } + }); + return new ToUnicodeMap(toUnicode); + }); + } + + // The viewer's choice, just use an identity map. + return Promise.resolve(new IdentityToUnicodeMap(properties.firstChar, + properties.lastChar)); + }, + + readToUnicode: function PartialEvaluator_readToUnicode(toUnicode) { + var cmapObj = toUnicode; + if (isName(cmapObj)) { + return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then( + function (cmap) { + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + return new ToUnicodeMap(cmap.getMap()); + }); + } else if (isStream(cmapObj)) { + return CMapFactory.create(cmapObj, this.options.cMapOptions, null).then( + function (cmap) { + if (cmap instanceof IdentityCMap) { + return new IdentityToUnicodeMap(0, 0xFFFF); + } + var map = new Array(cmap.length); + // Convert UTF-16BE + // NOTE: cmap can be a sparse array, so use forEach instead of for(;;) + // to iterate over all keys. + cmap.forEach(function(charCode, token) { + var str = []; + for (var k = 0; k < token.length; k += 2) { + var w1 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); + if ((w1 & 0xF800) !== 0xD800) { // w1 < 0xD800 || w1 > 0xDFFF + str.push(w1); + continue; + } + k += 2; + var w2 = (token.charCodeAt(k) << 8) | token.charCodeAt(k + 1); + str.push(((w1 & 0x3ff) << 10) + (w2 & 0x3ff) + 0x10000); + } + map[charCode] = String.fromCharCode.apply(String, str); + }); + return new ToUnicodeMap(map); + }); + } + return Promise.resolve(null); + }, + + readCidToGidMap: function PartialEvaluator_readCidToGidMap(cidToGidStream) { + // Extract the encoding from the CIDToGIDMap + var glyphsData = cidToGidStream.getBytes(); + + // Set encoding 0 to later verify the font has an encoding + var result = []; + for (var j = 0, jj = glyphsData.length; j < jj; j++) { + var glyphID = (glyphsData[j++] << 8) | glyphsData[j]; + if (glyphID === 0) { + continue; + } + var code = j >> 1; + result[code] = glyphID; + } + return result; + }, + + extractWidths: function PartialEvaluator_extractWidths(dict, xref, + descriptor, + properties) { + var glyphsWidths = []; + var defaultWidth = 0; + var glyphsVMetrics = []; + var defaultVMetrics; + var i, ii, j, jj, start, code, widths; + if (properties.composite) { + defaultWidth = dict.get('DW') || 1000; + + widths = dict.get('W'); + if (widths) { + for (i = 0, ii = widths.length; i < ii; i++) { + start = widths[i++]; + code = xref.fetchIfRef(widths[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsWidths[start++] = code[j]; + } + } else { + var width = widths[++i]; + for (j = start; j <= code; j++) { + glyphsWidths[j] = width; + } + } + } + } + + if (properties.vertical) { + var vmetrics = (dict.get('DW2') || [880, -1000]); + defaultVMetrics = [vmetrics[1], defaultWidth * 0.5, vmetrics[0]]; + vmetrics = dict.get('W2'); + if (vmetrics) { + for (i = 0, ii = vmetrics.length; i < ii; i++) { + start = vmetrics[i++]; + code = xref.fetchIfRef(vmetrics[i]); + if (isArray(code)) { + for (j = 0, jj = code.length; j < jj; j++) { + glyphsVMetrics[start++] = [code[j++], code[j++], code[j]]; + } + } else { + var vmetric = [vmetrics[++i], vmetrics[++i], vmetrics[++i]]; + for (j = start; j <= code; j++) { + glyphsVMetrics[j] = vmetric; + } + } + } + } + } + } else { + var firstChar = properties.firstChar; + widths = dict.get('Widths'); + if (widths) { + j = firstChar; + for (i = 0, ii = widths.length; i < ii; i++) { + glyphsWidths[j++] = widths[i]; + } + defaultWidth = (parseFloat(descriptor.get('MissingWidth')) || 0); + } else { + // Trying get the BaseFont metrics (see comment above). + var baseFontName = dict.get('BaseFont'); + if (isName(baseFontName)) { + var metrics = this.getBaseFontMetrics(baseFontName.name); + + glyphsWidths = this.buildCharCodeToWidth(metrics.widths, + properties); + defaultWidth = metrics.defaultWidth; + } + } + } + + // Heuristic: detection of monospace font by checking all non-zero widths + var isMonospace = true; + var firstWidth = defaultWidth; + for (var glyph in glyphsWidths) { + var glyphWidth = glyphsWidths[glyph]; + if (!glyphWidth) { + continue; + } + if (!firstWidth) { + firstWidth = glyphWidth; + continue; + } + if (firstWidth !== glyphWidth) { + isMonospace = false; + break; + } + } + if (isMonospace) { + properties.flags |= FontFlags.FixedPitch; + } + + properties.defaultWidth = defaultWidth; + properties.widths = glyphsWidths; + properties.defaultVMetrics = defaultVMetrics; + properties.vmetrics = glyphsVMetrics; + }, + + isSerifFont: function PartialEvaluator_isSerifFont(baseFontName) { + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + return (fontNameWoStyle in getSerifFonts()) || + (fontNameWoStyle.search(/serif/gi) !== -1); + }, + + getBaseFontMetrics: function PartialEvaluator_getBaseFontMetrics(name) { + var defaultWidth = 0; + var widths = []; + var monospace = false; + var stdFontMap = getStdFontMap(); + var lookupName = (stdFontMap[name] || name); + var Metrics = getMetrics(); + + if (!(lookupName in Metrics)) { + // Use default fonts for looking up font metrics if the passed + // font is not a base font + if (this.isSerifFont(name)) { + lookupName = 'Times-Roman'; + } else { + lookupName = 'Helvetica'; + } + } + var glyphWidths = Metrics[lookupName]; + + if (isNum(glyphWidths)) { + defaultWidth = glyphWidths; + monospace = true; + } else { + widths = glyphWidths(); // expand lazy widths array + } + + return { + defaultWidth: defaultWidth, + monospace: monospace, + widths: widths + }; + }, + + buildCharCodeToWidth: + function PartialEvaluator_bulildCharCodeToWidth(widthsByGlyphName, + properties) { + var widths = Object.create(null); + var differences = properties.differences; + var encoding = properties.defaultEncoding; + for (var charCode = 0; charCode < 256; charCode++) { + if (charCode in differences && + widthsByGlyphName[differences[charCode]]) { + widths[charCode] = widthsByGlyphName[differences[charCode]]; + continue; + } + if (charCode in encoding && widthsByGlyphName[encoding[charCode]]) { + widths[charCode] = widthsByGlyphName[encoding[charCode]]; + continue; + } + } + return widths; + }, + + preEvaluateFont: function PartialEvaluator_preEvaluateFont(dict, xref) { + var baseDict = dict; + var type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + + var composite = false; + var uint8array; + if (type.name === 'Type0') { + // If font is a composite + // - get the descendant font + // - set the type according to the descendant font + // - get the FontDescriptor from the descendant font + var df = dict.get('DescendantFonts'); + if (!df) { + error('Descendant fonts are not specified'); + } + dict = (isArray(df) ? xref.fetchIfRef(df[0]) : df); + + type = dict.get('Subtype'); + assert(isName(type), 'invalid font Subtype'); + composite = true; + } + + var descriptor = dict.get('FontDescriptor'); + if (descriptor) { + var hash = new MurmurHash3_64(); + var encoding = baseDict.getRaw('Encoding'); + if (isName(encoding)) { + hash.update(encoding.name); + } else if (isRef(encoding)) { + hash.update(encoding.toString()); + } else if (isDict(encoding)) { + var keys = encoding.getKeys(); + for (var i = 0, ii = keys.length; i < ii; i++) { + var entry = encoding.getRaw(keys[i]); + if (isName(entry)) { + hash.update(entry.name); + } else if (isRef(entry)) { + hash.update(entry.toString()); + } else if (isArray(entry)) { // 'Differences' entry. + // Ideally we should check the contents of the array, but to avoid + // parsing it here and then again in |extractDataStructures|, + // we only use the array length for now (fixes bug1157493.pdf). + hash.update(entry.length.toString()); + } + } + } + + var toUnicode = dict.get('ToUnicode') || baseDict.get('ToUnicode'); + if (isStream(toUnicode)) { + var stream = toUnicode.str || toUnicode; + uint8array = stream.buffer ? + new Uint8Array(stream.buffer.buffer, 0, stream.bufferLength) : + new Uint8Array(stream.bytes.buffer, + stream.start, stream.end - stream.start); + hash.update(uint8array); + + } else if (isName(toUnicode)) { + hash.update(toUnicode.name); + } + + var widths = dict.get('Widths') || baseDict.get('Widths'); + if (widths) { + uint8array = new Uint8Array(new Uint32Array(widths).buffer); + hash.update(uint8array); + } + } + + return { + descriptor: descriptor, + dict: dict, + baseDict: baseDict, + composite: composite, + type: type.name, + hash: hash ? hash.hexdigest() : '' + }; + }, + + translateFont: function PartialEvaluator_translateFont(preEvaluatedFont, + xref) { + var baseDict = preEvaluatedFont.baseDict; + var dict = preEvaluatedFont.dict; + var composite = preEvaluatedFont.composite; + var descriptor = preEvaluatedFont.descriptor; + var type = preEvaluatedFont.type; + var maxCharIndex = (composite ? 0xFFFF : 0xFF); + var cMapOptions = this.options.cMapOptions; + var properties; + + if (!descriptor) { + if (type === 'Type3') { + // FontDescriptor is only required for Type3 fonts when the document + // is a tagged pdf. Create a barbebones one to get by. + descriptor = new Dict(null); + descriptor.set('FontName', Name.get(type)); + descriptor.set('FontBBox', dict.getArray('FontBBox')); + } else { + // Before PDF 1.5 if the font was one of the base 14 fonts, having a + // FontDescriptor was not required. + // This case is here for compatibility. + var baseFontName = dict.get('BaseFont'); + if (!isName(baseFontName)) { + error('Base font is not specified'); + } + + // Using base font name as a font name. + baseFontName = baseFontName.name.replace(/[,_]/g, '-'); + var metrics = this.getBaseFontMetrics(baseFontName); + + // Simulating descriptor flags attribute + var fontNameWoStyle = baseFontName.split('-')[0]; + var flags = + (this.isSerifFont(fontNameWoStyle) ? FontFlags.Serif : 0) | + (metrics.monospace ? FontFlags.FixedPitch : 0) | + (getSymbolsFonts()[fontNameWoStyle] ? FontFlags.Symbolic : + FontFlags.Nonsymbolic); + + properties = { + type: type, + name: baseFontName, + widths: metrics.widths, + defaultWidth: metrics.defaultWidth, + flags: flags, + firstChar: 0, + lastChar: maxCharIndex + }; + return this.extractDataStructures(dict, dict, xref, properties).then( + function (properties) { + properties.widths = this.buildCharCodeToWidth(metrics.widths, + properties); + return new Font(baseFontName, null, properties); + }.bind(this)); + } + } + + // According to the spec if 'FontDescriptor' is declared, 'FirstChar', + // 'LastChar' and 'Widths' should exist too, but some PDF encoders seem + // to ignore this rule when a variant of a standard font is used. + // TODO Fill the width array depending on which of the base font this is + // a variant. + var firstChar = (dict.get('FirstChar') || 0); + var lastChar = (dict.get('LastChar') || maxCharIndex); + + var fontName = descriptor.get('FontName'); + var baseFont = dict.get('BaseFont'); + // Some bad PDFs have a string as the font name. + if (isString(fontName)) { + fontName = Name.get(fontName); + } + if (isString(baseFont)) { + baseFont = Name.get(baseFont); + } + + if (type !== 'Type3') { + var fontNameStr = fontName && fontName.name; + var baseFontStr = baseFont && baseFont.name; + if (fontNameStr !== baseFontStr) { + info('The FontDescriptor\'s FontName is "' + fontNameStr + + '" but should be the same as the Font\'s BaseFont "' + + baseFontStr + '"'); + // Workaround for cases where e.g. fontNameStr = 'Arial' and + // baseFontStr = 'Arial,Bold' (needed when no font file is embedded). + if (fontNameStr && baseFontStr && + baseFontStr.indexOf(fontNameStr) === 0) { + fontName = baseFont; + } + } + } + fontName = (fontName || baseFont); + + assert(isName(fontName), 'invalid font name'); + + var fontFile = descriptor.get('FontFile', 'FontFile2', 'FontFile3'); + if (fontFile) { + if (fontFile.dict) { + var subtype = fontFile.dict.get('Subtype'); + if (subtype) { + subtype = subtype.name; + } + var length1 = fontFile.dict.get('Length1'); + var length2 = fontFile.dict.get('Length2'); + var length3 = fontFile.dict.get('Length3'); + } + } + + properties = { + type: type, + name: fontName.name, + subtype: subtype, + file: fontFile, + length1: length1, + length2: length2, + length3: length3, + loadedName: baseDict.loadedName, + composite: composite, + wideChars: composite, + fixedPitch: false, + fontMatrix: (dict.getArray('FontMatrix') || FONT_IDENTITY_MATRIX), + firstChar: firstChar || 0, + lastChar: (lastChar || maxCharIndex), + bbox: descriptor.getArray('FontBBox'), + ascent: descriptor.get('Ascent'), + descent: descriptor.get('Descent'), + xHeight: descriptor.get('XHeight'), + capHeight: descriptor.get('CapHeight'), + flags: descriptor.get('Flags'), + italicAngle: descriptor.get('ItalicAngle'), + coded: false + }; + + var cMapPromise; + if (composite) { + var cidEncoding = baseDict.get('Encoding'); + if (isName(cidEncoding)) { + properties.cidEncoding = cidEncoding.name; + } + cMapPromise = CMapFactory.create(cidEncoding, cMapOptions, null).then( + function (cMap) { + properties.cMap = cMap; + properties.vertical = properties.cMap.vertical; + }); + } else { + cMapPromise = Promise.resolve(undefined); + } + + return cMapPromise.then(function () { + return this.extractDataStructures(dict, baseDict, xref, properties); + }.bind(this)).then(function (properties) { + this.extractWidths(dict, xref, descriptor, properties); + + if (type === 'Type3') { + properties.isType3Font = true; + } + + return new Font(fontName.name, fontFile, properties); + }.bind(this)); + } + }; + + return PartialEvaluator; +})(); + +var TranslatedFont = (function TranslatedFontClosure() { + function TranslatedFont(loadedName, font, dict) { + this.loadedName = loadedName; + this.font = font; + this.dict = dict; + this.type3Loaded = null; + this.sent = false; + } + TranslatedFont.prototype = { + send: function (handler) { + if (this.sent) { + return; + } + var fontData = this.font.exportData(); + handler.send('commonobj', [ + this.loadedName, + 'Font', + fontData + ]); + this.sent = true; + }, + loadType3Data: function (evaluator, resources, parentOperatorList, task) { + assert(this.font.isType3Font); + + if (this.type3Loaded) { + return this.type3Loaded; + } + + var translatedFont = this.font; + var loadCharProcsPromise = Promise.resolve(); + var charProcs = this.dict.get('CharProcs'); + var fontResources = this.dict.get('Resources') || resources; + var charProcKeys = charProcs.getKeys(); + var charProcOperatorList = Object.create(null); + for (var i = 0, n = charProcKeys.length; i < n; ++i) { + loadCharProcsPromise = loadCharProcsPromise.then(function (key) { + var glyphStream = charProcs.get(key); + var operatorList = new OperatorList(); + return evaluator.getOperatorList(glyphStream, task, fontResources, + operatorList).then(function () { + charProcOperatorList[key] = operatorList.getIR(); + + // Add the dependencies to the parent operator list so they are + // resolved before sub operator list is executed synchronously. + parentOperatorList.addDependencies(operatorList.dependencies); + }, function (reason) { + warn('Type3 font resource \"' + key + '\" is not available'); + var operatorList = new OperatorList(); + charProcOperatorList[key] = operatorList.getIR(); + }); + }.bind(this, charProcKeys[i])); + } + this.type3Loaded = loadCharProcsPromise.then(function () { + translatedFont.charProcOperatorList = charProcOperatorList; + }); + return this.type3Loaded; + } + }; + return TranslatedFont; +})(); + +var OperatorList = (function OperatorListClosure() { + var CHUNK_SIZE = 1000; + var CHUNK_SIZE_ABOUT = CHUNK_SIZE - 5; // close to chunk size + + function getTransfers(queue) { + var transfers = []; + var fnArray = queue.fnArray, argsArray = queue.argsArray; + for (var i = 0, ii = queue.length; i < ii; i++) { + switch (fnArray[i]) { + case OPS.paintInlineImageXObject: + case OPS.paintInlineImageXObjectGroup: + case OPS.paintImageMaskXObject: + var arg = argsArray[i][0]; // first param in imgData + if (!arg.cached) { + transfers.push(arg.data.buffer); + } + break; + } + } + return transfers; + } + + function OperatorList(intent, messageHandler, pageIndex) { + this.messageHandler = messageHandler; + this.fnArray = []; + this.argsArray = []; + this.dependencies = Object.create(null); + this._totalLength = 0; + this.pageIndex = pageIndex; + this.intent = intent; + } + + OperatorList.prototype = { + get length() { + return this.argsArray.length; + }, + + /** + * @returns {number} The total length of the entire operator list, + * since `this.length === 0` after flushing. + */ + get totalLength() { + return (this._totalLength + this.length); + }, + + addOp: function(fn, args) { + this.fnArray.push(fn); + this.argsArray.push(args); + if (this.messageHandler) { + if (this.fnArray.length >= CHUNK_SIZE) { + this.flush(); + } else if (this.fnArray.length >= CHUNK_SIZE_ABOUT && + (fn === OPS.restore || fn === OPS.endText)) { + // heuristic to flush on boundary of restore or endText + this.flush(); + } + } + }, + + addDependency: function(dependency) { + if (dependency in this.dependencies) { + return; + } + this.dependencies[dependency] = true; + this.addOp(OPS.dependency, [dependency]); + }, + + addDependencies: function(dependencies) { + for (var key in dependencies) { + this.addDependency(key); + } + }, + + addOpList: function(opList) { + Util.extendObj(this.dependencies, opList.dependencies); + for (var i = 0, ii = opList.length; i < ii; i++) { + this.addOp(opList.fnArray[i], opList.argsArray[i]); + } + }, + + getIR: function() { + return { + fnArray: this.fnArray, + argsArray: this.argsArray, + length: this.length + }; + }, + + flush: function(lastChunk) { + if (this.intent !== 'oplist') { + new QueueOptimizer().optimize(this); + } + var transfers = getTransfers(this); + var length = this.length; + this._totalLength += length; + + this.messageHandler.send('RenderPageChunk', { + operatorList: { + fnArray: this.fnArray, + argsArray: this.argsArray, + lastChunk: lastChunk, + length: length + }, + pageIndex: this.pageIndex, + intent: this.intent + }, transfers); + this.dependencies = Object.create(null); + this.fnArray.length = 0; + this.argsArray.length = 0; + } + }; + + return OperatorList; +})(); + +var StateManager = (function StateManagerClosure() { + function StateManager(initialState) { + this.state = initialState; + this.stateStack = []; + } + StateManager.prototype = { + save: function () { + var old = this.state; + this.stateStack.push(this.state); + this.state = old.clone(); + }, + restore: function () { + var prev = this.stateStack.pop(); + if (prev) { + this.state = prev; + } + }, + transform: function (args) { + this.state.ctm = Util.transform(this.state.ctm, args); + } + }; + return StateManager; +})(); + +var TextState = (function TextStateClosure() { + function TextState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.fontName = null; + this.fontSize = 0; + this.font = null; + this.fontMatrix = FONT_IDENTITY_MATRIX; + this.textMatrix = IDENTITY_MATRIX.slice(); + this.textLineMatrix = IDENTITY_MATRIX.slice(); + this.charSpacing = 0; + this.wordSpacing = 0; + this.leading = 0; + this.textHScale = 1; + this.textRise = 0; + } + + TextState.prototype = { + setTextMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textMatrix; + m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; + }, + setTextLineMatrix: function TextState_setTextMatrix(a, b, c, d, e, f) { + var m = this.textLineMatrix; + m[0] = a; m[1] = b; m[2] = c; m[3] = d; m[4] = e; m[5] = f; + }, + translateTextMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + translateTextLineMatrix: function TextState_translateTextMatrix(x, y) { + var m = this.textLineMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + }, + calcTextLineMatrixAdvance: + function TextState_calcTextLineMatrixAdvance(a, b, c, d, e, f) { + var font = this.font; + if (!font) { + return null; + } + var m = this.textLineMatrix; + if (!(a === m[0] && b === m[1] && c === m[2] && d === m[3])) { + return null; + } + var txDiff = e - m[4], tyDiff = f - m[5]; + if ((font.vertical && txDiff !== 0) || (!font.vertical && tyDiff !== 0)) { + return null; + } + var tx, ty, denominator = a * d - b * c; + if (font.vertical) { + tx = -tyDiff * c / denominator; + ty = tyDiff * a / denominator; + } else { + tx = txDiff * d / denominator; + ty = -txDiff * b / denominator; + } + return { width: tx, height: ty, value: (font.vertical ? ty : tx), }; + }, + calcRenderMatrix: function TextState_calcRendeMatrix(ctm) { + // 9.4.4 Text Space Details + var tsm = [this.fontSize * this.textHScale, 0, + 0, this.fontSize, + 0, this.textRise]; + return Util.transform(ctm, Util.transform(this.textMatrix, tsm)); + }, + carriageReturn: function TextState_carriageReturn() { + this.translateTextLineMatrix(0, -this.leading); + this.textMatrix = this.textLineMatrix.slice(); + }, + clone: function TextState_clone() { + var clone = Object.create(this); + clone.textMatrix = this.textMatrix.slice(); + clone.textLineMatrix = this.textLineMatrix.slice(); + clone.fontMatrix = this.fontMatrix.slice(); + return clone; + } + }; + return TextState; +})(); + +var EvalState = (function EvalStateClosure() { + function EvalState() { + this.ctm = new Float32Array(IDENTITY_MATRIX); + this.font = null; + this.textRenderingMode = TextRenderingMode.FILL; + this.fillColorSpace = ColorSpace.singletons.gray; + this.strokeColorSpace = ColorSpace.singletons.gray; + } + EvalState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + }; + return EvalState; +})(); + +var EvaluatorPreprocessor = (function EvaluatorPreprocessorClosure() { + // Specifies properties for each command + // + // If variableArgs === true: [0, `numArgs`] expected + // If variableArgs === false: exactly `numArgs` expected + var getOPMap = getLookupTableFactory(function (t) { + // Graphic state + t['w'] = { id: OPS.setLineWidth, numArgs: 1, variableArgs: false }; + t['J'] = { id: OPS.setLineCap, numArgs: 1, variableArgs: false }; + t['j'] = { id: OPS.setLineJoin, numArgs: 1, variableArgs: false }; + t['M'] = { id: OPS.setMiterLimit, numArgs: 1, variableArgs: false }; + t['d'] = { id: OPS.setDash, numArgs: 2, variableArgs: false }; + t['ri'] = { id: OPS.setRenderingIntent, numArgs: 1, variableArgs: false }; + t['i'] = { id: OPS.setFlatness, numArgs: 1, variableArgs: false }; + t['gs'] = { id: OPS.setGState, numArgs: 1, variableArgs: false }; + t['q'] = { id: OPS.save, numArgs: 0, variableArgs: false }; + t['Q'] = { id: OPS.restore, numArgs: 0, variableArgs: false }; + t['cm'] = { id: OPS.transform, numArgs: 6, variableArgs: false }; + + // Path + t['m'] = { id: OPS.moveTo, numArgs: 2, variableArgs: false }; + t['l'] = { id: OPS.lineTo, numArgs: 2, variableArgs: false }; + t['c'] = { id: OPS.curveTo, numArgs: 6, variableArgs: false }; + t['v'] = { id: OPS.curveTo2, numArgs: 4, variableArgs: false }; + t['y'] = { id: OPS.curveTo3, numArgs: 4, variableArgs: false }; + t['h'] = { id: OPS.closePath, numArgs: 0, variableArgs: false }; + t['re'] = { id: OPS.rectangle, numArgs: 4, variableArgs: false }; + t['S'] = { id: OPS.stroke, numArgs: 0, variableArgs: false }; + t['s'] = { id: OPS.closeStroke, numArgs: 0, variableArgs: false }; + t['f'] = { id: OPS.fill, numArgs: 0, variableArgs: false }; + t['F'] = { id: OPS.fill, numArgs: 0, variableArgs: false }; + t['f*'] = { id: OPS.eoFill, numArgs: 0, variableArgs: false }; + t['B'] = { id: OPS.fillStroke, numArgs: 0, variableArgs: false }; + t['B*'] = { id: OPS.eoFillStroke, numArgs: 0, variableArgs: false }; + t['b'] = { id: OPS.closeFillStroke, numArgs: 0, variableArgs: false }; + t['b*'] = { id: OPS.closeEOFillStroke, numArgs: 0, variableArgs: false }; + t['n'] = { id: OPS.endPath, numArgs: 0, variableArgs: false }; + + // Clipping + t['W'] = { id: OPS.clip, numArgs: 0, variableArgs: false }; + t['W*'] = { id: OPS.eoClip, numArgs: 0, variableArgs: false }; + + // Text + t['BT'] = { id: OPS.beginText, numArgs: 0, variableArgs: false }; + t['ET'] = { id: OPS.endText, numArgs: 0, variableArgs: false }; + t['Tc'] = { id: OPS.setCharSpacing, numArgs: 1, variableArgs: false }; + t['Tw'] = { id: OPS.setWordSpacing, numArgs: 1, variableArgs: false }; + t['Tz'] = { id: OPS.setHScale, numArgs: 1, variableArgs: false }; + t['TL'] = { id: OPS.setLeading, numArgs: 1, variableArgs: false }; + t['Tf'] = { id: OPS.setFont, numArgs: 2, variableArgs: false }; + t['Tr'] = { id: OPS.setTextRenderingMode, numArgs: 1, variableArgs: false }; + t['Ts'] = { id: OPS.setTextRise, numArgs: 1, variableArgs: false }; + t['Td'] = { id: OPS.moveText, numArgs: 2, variableArgs: false }; + t['TD'] = { id: OPS.setLeadingMoveText, numArgs: 2, variableArgs: false }; + t['Tm'] = { id: OPS.setTextMatrix, numArgs: 6, variableArgs: false }; + t['T*'] = { id: OPS.nextLine, numArgs: 0, variableArgs: false }; + t['Tj'] = { id: OPS.showText, numArgs: 1, variableArgs: false }; + t['TJ'] = { id: OPS.showSpacedText, numArgs: 1, variableArgs: false }; + t['\''] = { id: OPS.nextLineShowText, numArgs: 1, variableArgs: false }; + t['"'] = { id: OPS.nextLineSetSpacingShowText, numArgs: 3, + variableArgs: false }; + + // Type3 fonts + t['d0'] = { id: OPS.setCharWidth, numArgs: 2, variableArgs: false }; + t['d1'] = { id: OPS.setCharWidthAndBounds, numArgs: 6, + variableArgs: false }; + + // Color + t['CS'] = { id: OPS.setStrokeColorSpace, numArgs: 1, variableArgs: false }; + t['cs'] = { id: OPS.setFillColorSpace, numArgs: 1, variableArgs: false }; + t['SC'] = { id: OPS.setStrokeColor, numArgs: 4, variableArgs: true }; + t['SCN'] = { id: OPS.setStrokeColorN, numArgs: 33, variableArgs: true }; + t['sc'] = { id: OPS.setFillColor, numArgs: 4, variableArgs: true }; + t['scn'] = { id: OPS.setFillColorN, numArgs: 33, variableArgs: true }; + t['G'] = { id: OPS.setStrokeGray, numArgs: 1, variableArgs: false }; + t['g'] = { id: OPS.setFillGray, numArgs: 1, variableArgs: false }; + t['RG'] = { id: OPS.setStrokeRGBColor, numArgs: 3, variableArgs: false }; + t['rg'] = { id: OPS.setFillRGBColor, numArgs: 3, variableArgs: false }; + t['K'] = { id: OPS.setStrokeCMYKColor, numArgs: 4, variableArgs: false }; + t['k'] = { id: OPS.setFillCMYKColor, numArgs: 4, variableArgs: false }; + + // Shading + t['sh'] = { id: OPS.shadingFill, numArgs: 1, variableArgs: false }; + + // Images + t['BI'] = { id: OPS.beginInlineImage, numArgs: 0, variableArgs: false }; + t['ID'] = { id: OPS.beginImageData, numArgs: 0, variableArgs: false }; + t['EI'] = { id: OPS.endInlineImage, numArgs: 1, variableArgs: false }; + + // XObjects + t['Do'] = { id: OPS.paintXObject, numArgs: 1, variableArgs: false }; + t['MP'] = { id: OPS.markPoint, numArgs: 1, variableArgs: false }; + t['DP'] = { id: OPS.markPointProps, numArgs: 2, variableArgs: false }; + t['BMC'] = { id: OPS.beginMarkedContent, numArgs: 1, variableArgs: false }; + t['BDC'] = { id: OPS.beginMarkedContentProps, numArgs: 2, + variableArgs: false }; + t['EMC'] = { id: OPS.endMarkedContent, numArgs: 0, variableArgs: false }; + + // Compatibility + t['BX'] = { id: OPS.beginCompat, numArgs: 0, variableArgs: false }; + t['EX'] = { id: OPS.endCompat, numArgs: 0, variableArgs: false }; + + // (reserved partial commands for the lexer) + t['BM'] = null; + t['BD'] = null; + t['true'] = null; + t['fa'] = null; + t['fal'] = null; + t['fals'] = null; + t['false'] = null; + t['nu'] = null; + t['nul'] = null; + t['null'] = null; + }); + + function EvaluatorPreprocessor(stream, xref, stateManager) { + this.opMap = getOPMap(); + // TODO(mduan): pass array of knownCommands rather than this.opMap + // dictionary + this.parser = new Parser(new Lexer(stream, this.opMap), false, xref); + this.stateManager = stateManager; + this.nonProcessedArgs = []; + } + + EvaluatorPreprocessor.prototype = { + get savedStatesDepth() { + return this.stateManager.stateStack.length; + }, + + // |operation| is an object with two fields: + // + // - |fn| is an out param. + // + // - |args| is an inout param. On entry, it should have one of two values. + // + // - An empty array. This indicates that the caller is providing the + // array in which the args will be stored in. The caller should use + // this value if it can reuse a single array for each call to read(). + // + // - |null|. This indicates that the caller needs this function to create + // the array in which any args are stored in. If there are zero args, + // this function will leave |operation.args| as |null| (thus avoiding + // allocations that would occur if we used an empty array to represent + // zero arguments). Otherwise, it will replace |null| with a new array + // containing the arguments. The caller should use this value if it + // cannot reuse an array for each call to read(). + // + // These two modes are present because this function is very hot and so + // avoiding allocations where possible is worthwhile. + // + read: function EvaluatorPreprocessor_read(operation) { + var args = operation.args; + while (true) { + var obj = this.parser.getObj(); + if (isCmd(obj)) { + var cmd = obj.cmd; + // Check that the command is valid + var opSpec = this.opMap[cmd]; + if (!opSpec) { + warn('Unknown command "' + cmd + '"'); + continue; + } + + var fn = opSpec.id; + var numArgs = opSpec.numArgs; + var argsLength = args !== null ? args.length : 0; + + if (!opSpec.variableArgs) { + // Postscript commands can be nested, e.g. /F2 /GS2 gs 5.711 Tf + if (argsLength !== numArgs) { + var nonProcessedArgs = this.nonProcessedArgs; + while (argsLength > numArgs) { + nonProcessedArgs.push(args.shift()); + argsLength--; + } + while (argsLength < numArgs && nonProcessedArgs.length !== 0) { + if (!args) { + args = []; + } + args.unshift(nonProcessedArgs.pop()); + argsLength++; + } + } + + if (argsLength < numArgs) { + // If we receive too few args, it's not possible to possible + // to execute the command, so skip the command + info('Command ' + fn + ': because expected ' + + numArgs + ' args, but received ' + argsLength + + ' args; skipping'); + args = null; + continue; + } + } else if (argsLength > numArgs) { + info('Command ' + fn + ': expected [0,' + numArgs + + '] args, but received ' + argsLength + ' args'); + } + + // TODO figure out how to type-check vararg functions + this.preprocessCommand(fn, args); + + operation.fn = fn; + operation.args = args; + return true; + } else { + if (isEOF(obj)) { + return false; // no more commands + } + // argument + if (obj !== null) { + if (!args) { + args = []; + } + args.push(obj); + assert(args.length <= 33, 'Too many arguments'); + } + } + } + }, + + preprocessCommand: + function EvaluatorPreprocessor_preprocessCommand(fn, args) { + switch (fn | 0) { + case OPS.save: + this.stateManager.save(); + break; + case OPS.restore: + this.stateManager.restore(); + break; + case OPS.transform: + this.stateManager.transform(args); + break; + } + } + }; + return EvaluatorPreprocessor; +})(); + +var QueueOptimizer = (function QueueOptimizerClosure() { + function addState(parentState, pattern, fn) { + var state = parentState; + for (var i = 0, ii = pattern.length - 1; i < ii; i++) { + var item = pattern[i]; + state = (state[item] || (state[item] = [])); + } + state[pattern[pattern.length - 1]] = fn; + } + + function handlePaintSolidColorImageMask(iFirstSave, count, fnArray, + argsArray) { + // Handles special case of mainly LaTeX documents which use image masks to + // draw lines with the current fill style. + // 'count' groups of (save, transform, paintImageMaskXObject, restore)+ + // have been found at iFirstSave. + var iFirstPIMXO = iFirstSave + 2; + for (var i = 0; i < count; i++) { + var arg = argsArray[iFirstPIMXO + 4 * i]; + var imageMask = arg.length === 1 && arg[0]; + if (imageMask && imageMask.width === 1 && imageMask.height === 1 && + (!imageMask.data.length || + (imageMask.data.length === 1 && imageMask.data[0] === 0))) { + fnArray[iFirstPIMXO + 4 * i] = OPS.paintSolidColorImageMask; + continue; + } + break; + } + return count - i; + } + + var InitialState = []; + + // This replaces (save, transform, paintInlineImageXObject, restore)+ + // sequences with one |paintInlineImageXObjectGroup| operation. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintInlineImageXObject, OPS.restore], + function foundInlineImageGroup(context) { + var MIN_IMAGES_IN_INLINE_IMAGES_BLOCK = 10; + var MAX_IMAGES_IN_INLINE_IMAGES_BLOCK = 200; + var MAX_WIDTH = 1000; + var IMAGE_PADDING = 1; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIIXO = curr - 1; + + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintInlineImageXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, + MAX_IMAGES_IN_INLINE_IMAGES_BLOCK); + if (count < MIN_IMAGES_IN_INLINE_IMAGES_BLOCK) { + return i; + } + + // assuming that heights of those image is too small (~1 pixel) + // packing as much as possible by lines + var maxX = 0; + var map = [], maxLineHeight = 0; + var currentX = IMAGE_PADDING, currentY = IMAGE_PADDING; + var q; + for (q = 0; q < count; q++) { + var transform = argsArray[iFirstTransform + (q << 2)]; + var img = argsArray[iFirstPIIXO + (q << 2)][0]; + if (currentX + img.width > MAX_WIDTH) { + // starting new line + maxX = Math.max(maxX, currentX); + currentY += maxLineHeight + 2 * IMAGE_PADDING; + currentX = 0; + maxLineHeight = 0; + } + map.push({ + transform: transform, + x: currentX, y: currentY, + w: img.width, h: img.height + }); + currentX += img.width + 2 * IMAGE_PADDING; + maxLineHeight = Math.max(maxLineHeight, img.height); + } + var imgWidth = Math.max(maxX, currentX) + IMAGE_PADDING; + var imgHeight = currentY + maxLineHeight + IMAGE_PADDING; + var imgData = new Uint8Array(imgWidth * imgHeight * 4); + var imgRowSize = imgWidth << 2; + for (q = 0; q < count; q++) { + var data = argsArray[iFirstPIIXO + (q << 2)][0].data; + // Copy image by lines and extends pixels into padding. + var rowSize = map[q].w << 2; + var dataOffset = 0; + var offset = (map[q].x + map[q].y * imgWidth) << 2; + imgData.set(data.subarray(0, rowSize), offset - imgRowSize); + for (var k = 0, kk = map[q].h; k < kk; k++) { + imgData.set(data.subarray(dataOffset, dataOffset + rowSize), offset); + dataOffset += rowSize; + offset += imgRowSize; + } + imgData.set(data.subarray(dataOffset - rowSize, dataOffset), offset); + while (offset >= 0) { + data[offset - 4] = data[offset]; + data[offset - 3] = data[offset + 1]; + data[offset - 2] = data[offset + 2]; + data[offset - 1] = data[offset + 3]; + data[offset + rowSize] = data[offset + rowSize - 4]; + data[offset + rowSize + 1] = data[offset + rowSize - 3]; + data[offset + rowSize + 2] = data[offset + rowSize - 2]; + data[offset + rowSize + 3] = data[offset + rowSize - 1]; + offset -= imgRowSize; + } + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintInlineImageXObjectGroup); + argsArray.splice(iFirstSave, count * 4, + [{ width: imgWidth, height: imgHeight, kind: ImageKind.RGBA_32BPP, + data: imgData }, map]); + + return iFirstSave + 1; + }); + + // This replaces (save, transform, paintImageMaskXObject, restore)+ + // sequences with one |paintImageMaskXObjectGroup| or one + // |paintImageMaskXObjectRepeat| operation. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintImageMaskXObject, OPS.restore], + function foundImageMaskGroup(context) { + var MIN_IMAGES_IN_MASKS_BLOCK = 10; + var MAX_IMAGES_IN_MASKS_BLOCK = 100; + var MAX_SAME_IMAGES_IN_MASKS_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIMXO = curr - 1; + + // Look for the quartets. + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintImageMaskXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = (i - iFirstSave) / 4; + count = handlePaintSolidColorImageMask(iFirstSave, count, fnArray, + argsArray); + if (count < MIN_IMAGES_IN_MASKS_BLOCK) { + return i; + } + + var q; + var isSameImage = false; + var iTransform, transformArgs; + var firstPIMXOArg0 = argsArray[iFirstPIMXO][0]; + if (argsArray[iFirstTransform][1] === 0 && + argsArray[iFirstTransform][2] === 0) { + isSameImage = true; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + iTransform = iFirstTransform + 4; + var iPIMXO = iFirstPIMXO + 4; + for (q = 1; q < count; q++, iTransform += 4, iPIMXO += 4) { + transformArgs = argsArray[iTransform]; + if (argsArray[iPIMXO][0] !== firstPIMXOArg0 || + transformArgs[0] !== firstTransformArg0 || + transformArgs[1] !== 0 || + transformArgs[2] !== 0 || + transformArgs[3] !== firstTransformArg3) { + if (q < MIN_IMAGES_IN_MASKS_BLOCK) { + isSameImage = false; + } else { + count = q; + } + break; // different image or transform + } + } + } + + if (isSameImage) { + count = Math.min(count, MAX_SAME_IMAGES_IN_MASKS_BLOCK); + var positions = new Float32Array(count * 2); + iTransform = iFirstTransform; + for (q = 0; q < count; q++, iTransform += 4) { + transformArgs = argsArray[iTransform]; + positions[(q << 1)] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, + [firstPIMXOArg0, firstTransformArg0, firstTransformArg3, positions]); + } else { + count = Math.min(count, MAX_IMAGES_IN_MASKS_BLOCK); + var images = []; + for (q = 0; q < count; q++) { + transformArgs = argsArray[iFirstTransform + (q << 2)]; + var maskParams = argsArray[iFirstPIMXO + (q << 2)][0]; + images.push({ data: maskParams.data, width: maskParams.width, + height: maskParams.height, + transform: transformArgs }); + } + + // Replace queue items. + fnArray.splice(iFirstSave, count * 4, OPS.paintImageMaskXObjectGroup); + argsArray.splice(iFirstSave, count * 4, [images]); + } + + return iFirstSave + 1; + }); + + // This replaces (save, transform, paintImageXObject, restore)+ sequences + // with one paintImageXObjectRepeat operation, if the |transform| and + // |paintImageXObjectRepeat| ops are appropriate. + addState(InitialState, + [OPS.save, OPS.transform, OPS.paintImageXObject, OPS.restore], + function (context) { + var MIN_IMAGES_IN_BLOCK = 3; + var MAX_IMAGES_IN_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstSave = curr - 3; + var iFirstTransform = curr - 2; + var iFirstPIXO = curr - 1; + var iFirstRestore = curr; + + if (argsArray[iFirstTransform][1] !== 0 || + argsArray[iFirstTransform][2] !== 0) { + return iFirstRestore + 1; // transform has the wrong form + } + + // Look for the quartets. + var firstPIXOArg0 = argsArray[iFirstPIXO][0]; + var firstTransformArg0 = argsArray[iFirstTransform][0]; + var firstTransformArg3 = argsArray[iFirstTransform][3]; + var i = iFirstSave + 4; + var ii = fnArray.length; + while (i + 3 < ii) { + if (fnArray[i] !== OPS.save || + fnArray[i + 1] !== OPS.transform || + fnArray[i + 2] !== OPS.paintImageXObject || + fnArray[i + 3] !== OPS.restore) { + break; // ops don't match + } + if (argsArray[i + 1][0] !== firstTransformArg0 || + argsArray[i + 1][1] !== 0 || + argsArray[i + 1][2] !== 0 || + argsArray[i + 1][3] !== firstTransformArg3) { + break; // transforms don't match + } + if (argsArray[i + 2][0] !== firstPIXOArg0) { + break; // images don't match + } + i += 4; + } + + // At this point, i is the index of the first op past the last valid + // quartet. + var count = Math.min((i - iFirstSave) / 4, MAX_IMAGES_IN_BLOCK); + if (count < MIN_IMAGES_IN_BLOCK) { + return i; + } + + // Extract the (x,y) positions from all of the matching transforms. + var positions = new Float32Array(count * 2); + var iTransform = iFirstTransform; + for (var q = 0; q < count; q++, iTransform += 4) { + var transformArgs = argsArray[iTransform]; + positions[(q << 1)] = transformArgs[4]; + positions[(q << 1) + 1] = transformArgs[5]; + } + + // Replace queue items. + var args = [firstPIXOArg0, firstTransformArg0, firstTransformArg3, + positions]; + fnArray.splice(iFirstSave, count * 4, OPS.paintImageXObjectRepeat); + argsArray.splice(iFirstSave, count * 4, args); + + return iFirstSave + 1; + }); + + // This replaces (beginText, setFont, setTextMatrix, showText, endText)+ + // sequences with (beginText, setFont, (setTextMatrix, showText)+, endText)+ + // sequences, if the font for each one is the same. + addState(InitialState, + [OPS.beginText, OPS.setFont, OPS.setTextMatrix, OPS.showText, OPS.endText], + function (context) { + var MIN_CHARS_IN_BLOCK = 3; + var MAX_CHARS_IN_BLOCK = 1000; + + var fnArray = context.fnArray, argsArray = context.argsArray; + var curr = context.iCurr; + var iFirstBeginText = curr - 4; + var iFirstSetFont = curr - 3; + var iFirstSetTextMatrix = curr - 2; + var iFirstShowText = curr - 1; + var iFirstEndText = curr; + + // Look for the quintets. + var firstSetFontArg0 = argsArray[iFirstSetFont][0]; + var firstSetFontArg1 = argsArray[iFirstSetFont][1]; + var i = iFirstBeginText + 5; + var ii = fnArray.length; + while (i + 4 < ii) { + if (fnArray[i] !== OPS.beginText || + fnArray[i + 1] !== OPS.setFont || + fnArray[i + 2] !== OPS.setTextMatrix || + fnArray[i + 3] !== OPS.showText || + fnArray[i + 4] !== OPS.endText) { + break; // ops don't match + } + if (argsArray[i + 1][0] !== firstSetFontArg0 || + argsArray[i + 1][1] !== firstSetFontArg1) { + break; // fonts don't match + } + i += 5; + } + + // At this point, i is the index of the first op past the last valid + // quintet. + var count = Math.min(((i - iFirstBeginText) / 5), MAX_CHARS_IN_BLOCK); + if (count < MIN_CHARS_IN_BLOCK) { + return i; + } + + // If the preceding quintet is (, setFont, setTextMatrix, + // showText, endText), include that as well. (E.g. might be + // |dependency|.) + var iFirst = iFirstBeginText; + if (iFirstBeginText >= 4 && + fnArray[iFirstBeginText - 4] === fnArray[iFirstSetFont] && + fnArray[iFirstBeginText - 3] === fnArray[iFirstSetTextMatrix] && + fnArray[iFirstBeginText - 2] === fnArray[iFirstShowText] && + fnArray[iFirstBeginText - 1] === fnArray[iFirstEndText] && + argsArray[iFirstBeginText - 4][0] === firstSetFontArg0 && + argsArray[iFirstBeginText - 4][1] === firstSetFontArg1) { + count++; + iFirst -= 5; + } + + // Remove (endText, beginText, setFont) trios. + var iEndText = iFirst + 4; + for (var q = 1; q < count; q++) { + fnArray.splice(iEndText, 3); + argsArray.splice(iEndText, 3); + iEndText += 2; + } + + return iEndText + 1; + }); + + function QueueOptimizer() {} + + QueueOptimizer.prototype = { + optimize: function QueueOptimizer_optimize(queue) { + var fnArray = queue.fnArray, argsArray = queue.argsArray; + var context = { + iCurr: 0, + fnArray: fnArray, + argsArray: argsArray + }; + var state; + var i = 0, ii = fnArray.length; + while (i < ii) { + state = (state || InitialState)[fnArray[i]]; + if (typeof state === 'function') { // we found some handler + context.iCurr = i; + // state() returns the index of the first non-matching op (if we + // didn't match) or the first op past the modified ops (if we did + // match and replace). + i = state(context); + state = undefined; // reset the state machine + ii = context.fnArray.length; + } else { + i++; + } + } + } + }; + return QueueOptimizer; +})(); + +exports.OperatorList = OperatorList; +exports.PartialEvaluator = PartialEvaluator; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreAnnotation = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, root.pdfjsCoreColorSpace, + root.pdfjsCoreObj, root.pdfjsCoreEvaluator); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, + coreColorSpace, coreObj, coreEvaluator) { + +var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType; +var AnnotationFieldFlag = sharedUtil.AnnotationFieldFlag; +var AnnotationFlag = sharedUtil.AnnotationFlag; +var AnnotationType = sharedUtil.AnnotationType; +var OPS = sharedUtil.OPS; +var Util = sharedUtil.Util; +var isBool = sharedUtil.isBool; +var isString = sharedUtil.isString; +var isArray = sharedUtil.isArray; +var isInt = sharedUtil.isInt; +var isValidUrl = sharedUtil.isValidUrl; +var stringToBytes = sharedUtil.stringToBytes; +var stringToPDFString = sharedUtil.stringToPDFString; +var stringToUTF8String = sharedUtil.stringToUTF8String; +var warn = sharedUtil.warn; +var Dict = corePrimitives.Dict; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isRef = corePrimitives.isRef; +var Stream = coreStream.Stream; +var ColorSpace = coreColorSpace.ColorSpace; +var ObjectLoader = coreObj.ObjectLoader; +var FileSpec = coreObj.FileSpec; +var OperatorList = coreEvaluator.OperatorList; + +/** + * @class + * @alias AnnotationFactory + */ +function AnnotationFactory() {} +AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ { + /** + * @param {XRef} xref + * @param {Object} ref + * @param {string} uniquePrefix + * @param {Object} idCounters + * @returns {Annotation} + */ + create: function AnnotationFactory_create(xref, ref, + uniquePrefix, idCounters) { + var dict = xref.fetchIfRef(ref); + if (!isDict(dict)) { + return; + } + var id = isRef(ref) ? ref.toString() : + 'annot_' + (uniquePrefix || '') + (++idCounters.obj); + + // Determine the annotation's subtype. + var subtype = dict.get('Subtype'); + subtype = isName(subtype) ? subtype.name : null; + + // Return the right annotation object based on the subtype and field type. + var parameters = { + xref: xref, + dict: dict, + ref: isRef(ref) ? ref : null, + subtype: subtype, + id: id, + }; + + switch (subtype) { + case 'Link': + return new LinkAnnotation(parameters); + + case 'Text': + return new TextAnnotation(parameters); + + case 'Widget': + var fieldType = Util.getInheritableProperty(dict, 'FT'); + fieldType = isName(fieldType) ? fieldType.name : null; + + switch (fieldType) { + case 'Tx': + return new TextWidgetAnnotation(parameters); + } + warn('Unimplemented widget field type "' + fieldType + '", ' + + 'falling back to base field type.'); + return new WidgetAnnotation(parameters); + + case 'Popup': + return new PopupAnnotation(parameters); + + case 'Highlight': + return new HighlightAnnotation(parameters); + + case 'Underline': + return new UnderlineAnnotation(parameters); + + case 'Squiggly': + return new SquigglyAnnotation(parameters); + + case 'StrikeOut': + return new StrikeOutAnnotation(parameters); + + case 'FileAttachment': + return new FileAttachmentAnnotation(parameters); + + default: + if (!subtype) { + warn('Annotation is missing the required /Subtype.'); + } else { + warn('Unimplemented annotation type "' + subtype + '", ' + + 'falling back to base annotation.'); + } + return new Annotation(parameters); + } + } +}; + +var Annotation = (function AnnotationClosure() { + // 12.5.5: Algorithm: Appearance streams + function getTransformMatrix(rect, bbox, matrix) { + var bounds = Util.getAxialAlignedBoundingBox(bbox, matrix); + var minX = bounds[0]; + var minY = bounds[1]; + var maxX = bounds[2]; + var maxY = bounds[3]; + + if (minX === maxX || minY === maxY) { + // From real-life file, bbox was [0, 0, 0, 0]. In this case, + // just apply the transform for rect + return [1, 0, 0, 1, rect[0], rect[1]]; + } + + var xRatio = (rect[2] - rect[0]) / (maxX - minX); + var yRatio = (rect[3] - rect[1]) / (maxY - minY); + return [ + xRatio, + 0, + 0, + yRatio, + rect[0] - minX * xRatio, + rect[1] - minY * yRatio + ]; + } + + function getDefaultAppearance(dict) { + var appearanceState = dict.get('AP'); + if (!isDict(appearanceState)) { + return; + } + + var appearance; + var appearances = appearanceState.get('N'); + if (isDict(appearances)) { + var as = dict.get('AS'); + if (as && appearances.has(as.name)) { + appearance = appearances.get(as.name); + } + } else { + appearance = appearances; + } + return appearance; + } + + function Annotation(params) { + var dict = params.dict; + + this.setFlags(dict.get('F')); + this.setRectangle(dict.getArray('Rect')); + this.setColor(dict.getArray('C')); + this.setBorderStyle(dict); + this.appearance = getDefaultAppearance(dict); + + // Expose public properties using a data object. + this.data = {}; + this.data.id = params.id; + this.data.subtype = params.subtype; + this.data.annotationFlags = this.flags; + this.data.rect = this.rectangle; + this.data.color = this.color; + this.data.borderStyle = this.borderStyle; + this.data.hasAppearance = !!this.appearance; + } + + Annotation.prototype = { + /** + * @private + */ + _hasFlag: function Annotation_hasFlag(flags, flag) { + return !!(flags & flag); + }, + + /** + * @private + */ + _isViewable: function Annotation_isViewable(flags) { + return !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && + !this._hasFlag(flags, AnnotationFlag.HIDDEN) && + !this._hasFlag(flags, AnnotationFlag.NOVIEW); + }, + + /** + * @private + */ + _isPrintable: function AnnotationFlag_isPrintable(flags) { + return this._hasFlag(flags, AnnotationFlag.PRINT) && + !this._hasFlag(flags, AnnotationFlag.INVISIBLE) && + !this._hasFlag(flags, AnnotationFlag.HIDDEN); + }, + + /** + * @return {boolean} + */ + get viewable() { + if (this.flags === 0) { + return true; + } + return this._isViewable(this.flags); + }, + + /** + * @return {boolean} + */ + get printable() { + if (this.flags === 0) { + return false; + } + return this._isPrintable(this.flags); + }, + + /** + * Set the flags. + * + * @public + * @memberof Annotation + * @param {number} flags - Unsigned 32-bit integer specifying annotation + * characteristics + * @see {@link shared/util.js} + */ + setFlags: function Annotation_setFlags(flags) { + this.flags = (isInt(flags) && flags > 0) ? flags : 0; + }, + + /** + * Check if a provided flag is set. + * + * @public + * @memberof Annotation + * @param {number} flag - Hexadecimal representation for an annotation + * characteristic + * @return {boolean} + * @see {@link shared/util.js} + */ + hasFlag: function Annotation_hasFlag(flag) { + return this._hasFlag(this.flags, flag); + }, + + /** + * Set the rectangle. + * + * @public + * @memberof Annotation + * @param {Array} rectangle - The rectangle array with exactly four entries + */ + setRectangle: function Annotation_setRectangle(rectangle) { + if (isArray(rectangle) && rectangle.length === 4) { + this.rectangle = Util.normalizeRect(rectangle); + } else { + this.rectangle = [0, 0, 0, 0]; + } + }, + + /** + * Set the color and take care of color space conversion. + * + * @public + * @memberof Annotation + * @param {Array} color - The color array containing either 0 + * (transparent), 1 (grayscale), 3 (RGB) or + * 4 (CMYK) elements + */ + setColor: function Annotation_setColor(color) { + var rgbColor = new Uint8Array(3); // Black in RGB color space (default) + if (!isArray(color)) { + this.color = rgbColor; + return; + } + + switch (color.length) { + case 0: // Transparent, which we indicate with a null value + this.color = null; + break; + + case 1: // Convert grayscale to RGB + ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + case 3: // Convert RGB percentages to RGB + ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + case 4: // Convert CMYK to RGB + ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0); + this.color = rgbColor; + break; + + default: + this.color = rgbColor; + break; + } + }, + + /** + * Set the border style (as AnnotationBorderStyle object). + * + * @public + * @memberof Annotation + * @param {Dict} borderStyle - The border style dictionary + */ + setBorderStyle: function Annotation_setBorderStyle(borderStyle) { + this.borderStyle = new AnnotationBorderStyle(); + if (!isDict(borderStyle)) { + return; + } + if (borderStyle.has('BS')) { + var dict = borderStyle.get('BS'); + var dictType = dict.get('Type'); + + if (!dictType || isName(dictType, 'Border')) { + this.borderStyle.setWidth(dict.get('W')); + this.borderStyle.setStyle(dict.get('S')); + this.borderStyle.setDashArray(dict.getArray('D')); + } + } else if (borderStyle.has('Border')) { + var array = borderStyle.getArray('Border'); + if (isArray(array) && array.length >= 3) { + this.borderStyle.setHorizontalCornerRadius(array[0]); + this.borderStyle.setVerticalCornerRadius(array[1]); + this.borderStyle.setWidth(array[2]); + + if (array.length === 4) { // Dash array available + this.borderStyle.setDashArray(array[3]); + } + } + } else { + // There are no border entries in the dictionary. According to the + // specification, we should draw a solid border of width 1 in that + // case, but Adobe Reader did not implement that part of the + // specification and instead draws no border at all, so we do the same. + // See also https://github.com/mozilla/pdf.js/issues/6179. + this.borderStyle.setWidth(0); + } + }, + + /** + * Prepare the annotation for working with a popup in the display layer. + * + * @private + * @memberof Annotation + * @param {Dict} dict - The annotation's data dictionary + */ + _preparePopup: function Annotation_preparePopup(dict) { + if (!dict.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } + + this.data.hasPopup = dict.has('Popup'); + this.data.title = stringToPDFString(dict.get('T') || ''); + this.data.contents = stringToPDFString(dict.get('Contents') || ''); + }, + + loadResources: function Annotation_loadResources(keys) { + return new Promise(function (resolve, reject) { + this.appearance.dict.getAsync('Resources').then(function (resources) { + if (!resources) { + resolve(); + return; + } + var objectLoader = new ObjectLoader(resources.map, + keys, + resources.xref); + objectLoader.load().then(function() { + resolve(resources); + }, reject); + }, reject); + }.bind(this)); + }, + + getOperatorList: function Annotation_getOperatorList(evaluator, task, + renderForms) { + if (!this.appearance) { + return Promise.resolve(new OperatorList()); + } + + var data = this.data; + var appearanceDict = this.appearance.dict; + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + // ProcSet + // Properties + ]); + var bbox = appearanceDict.getArray('BBox') || [0, 0, 1, 1]; + var matrix = appearanceDict.getArray('Matrix') || [1, 0, 0, 1, 0 ,0]; + var transform = getTransformMatrix(data.rect, bbox, matrix); + var self = this; + + return resourcesPromise.then(function(resources) { + var opList = new OperatorList(); + opList.addOp(OPS.beginAnnotation, [data.rect, transform, matrix]); + return evaluator.getOperatorList(self.appearance, task, + resources, opList). + then(function () { + opList.addOp(OPS.endAnnotation, []); + self.appearance.reset(); + return opList; + }); + }); + } + }; + + Annotation.appendToOperatorList = function Annotation_appendToOperatorList( + annotations, opList, partialEvaluator, task, intent, renderForms) { + var annotationPromises = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if ((intent === 'display' && annotations[i].viewable) || + (intent === 'print' && annotations[i].printable)) { + annotationPromises.push( + annotations[i].getOperatorList(partialEvaluator, task, renderForms)); + } + } + return Promise.all(annotationPromises).then(function(operatorLists) { + opList.addOp(OPS.beginAnnotations, []); + for (var i = 0, n = operatorLists.length; i < n; ++i) { + opList.addOpList(operatorLists[i]); + } + opList.addOp(OPS.endAnnotations, []); + }); + }; + + return Annotation; +})(); + +/** + * Contains all data regarding an annotation's border style. + * + * @class + */ +var AnnotationBorderStyle = (function AnnotationBorderStyleClosure() { + /** + * @constructor + * @private + */ + function AnnotationBorderStyle() { + this.width = 1; + this.style = AnnotationBorderStyleType.SOLID; + this.dashArray = [3]; + this.horizontalCornerRadius = 0; + this.verticalCornerRadius = 0; + } + + AnnotationBorderStyle.prototype = { + /** + * Set the width. + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} width - The width + */ + setWidth: function AnnotationBorderStyle_setWidth(width) { + if (width === (width | 0)) { + this.width = width; + } + }, + + /** + * Set the style. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Object} style - The style object + * @see {@link shared/util.js} + */ + setStyle: function AnnotationBorderStyle_setStyle(style) { + if (!style) { + return; + } + switch (style.name) { + case 'S': + this.style = AnnotationBorderStyleType.SOLID; + break; + + case 'D': + this.style = AnnotationBorderStyleType.DASHED; + break; + + case 'B': + this.style = AnnotationBorderStyleType.BEVELED; + break; + + case 'I': + this.style = AnnotationBorderStyleType.INSET; + break; + + case 'U': + this.style = AnnotationBorderStyleType.UNDERLINE; + break; + + default: + break; + } + }, + + /** + * Set the dash array. + * + * @public + * @memberof AnnotationBorderStyle + * @param {Array} dashArray - The dash array with at least one element + */ + setDashArray: function AnnotationBorderStyle_setDashArray(dashArray) { + // We validate the dash array, but we do not use it because CSS does not + // allow us to change spacing of dashes. For more information, visit + // http://www.w3.org/TR/css3-background/#the-border-style. + if (isArray(dashArray) && dashArray.length > 0) { + // According to the PDF specification: the elements in a dashArray + // shall be numbers that are nonnegative and not all equal to zero. + var isValid = true; + var allZeros = true; + for (var i = 0, len = dashArray.length; i < len; i++) { + var element = dashArray[i]; + var validNumber = (+element >= 0); + if (!validNumber) { + isValid = false; + break; + } else if (element > 0) { + allZeros = false; + } + } + if (isValid && !allZeros) { + this.dashArray = dashArray; + } else { + this.width = 0; // Adobe behavior when the array is invalid. + } + } else if (dashArray) { + this.width = 0; // Adobe behavior when the array is invalid. + } + }, + + /** + * Set the horizontal corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The horizontal corner radius + */ + setHorizontalCornerRadius: + function AnnotationBorderStyle_setHorizontalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.horizontalCornerRadius = radius; + } + }, + + /** + * Set the vertical corner radius (from a Border dictionary). + * + * @public + * @memberof AnnotationBorderStyle + * @param {integer} radius - The vertical corner radius + */ + setVerticalCornerRadius: + function AnnotationBorderStyle_setVerticalCornerRadius(radius) { + if (radius === (radius | 0)) { + this.verticalCornerRadius = radius; + } + } + }; + + return AnnotationBorderStyle; +})(); + +var WidgetAnnotation = (function WidgetAnnotationClosure() { + function WidgetAnnotation(params) { + Annotation.call(this, params); + + var dict = params.dict; + var data = this.data; + + data.annotationType = AnnotationType.WIDGET; + data.fieldValue = stringToPDFString( + Util.getInheritableProperty(dict, 'V') || ''); + data.alternativeText = stringToPDFString(dict.get('TU') || ''); + data.defaultAppearance = Util.getInheritableProperty(dict, 'DA') || ''; + var fieldType = Util.getInheritableProperty(dict, 'FT'); + data.fieldType = isName(fieldType) ? fieldType.name : null; + this.fieldResources = Util.getInheritableProperty(dict, 'DR') || Dict.empty; + + data.fieldFlags = Util.getInheritableProperty(dict, 'Ff'); + if (!isInt(data.fieldFlags) || data.fieldFlags < 0) { + data.fieldFlags = 0; + } + + // Hide signatures because we cannot validate them. + if (data.fieldType === 'Sig') { + this.setFlags(AnnotationFlag.HIDDEN); + } + + // Building the full field name by collecting the field and + // its ancestors 'T' data and joining them using '.'. + var fieldName = []; + var namedItem = dict; + var ref = params.ref; + while (namedItem) { + var parent = namedItem.get('Parent'); + var parentRef = namedItem.getRaw('Parent'); + var name = namedItem.get('T'); + if (name) { + fieldName.unshift(stringToPDFString(name)); + } else if (parent && ref) { + // The field name is absent, that means more than one field + // with the same name may exist. Replacing the empty name + // with the '`' plus index in the parent's 'Kids' array. + // This is not in the PDF spec but necessary to id the + // the input controls. + var kids = parent.get('Kids'); + var j, jj; + for (j = 0, jj = kids.length; j < jj; j++) { + var kidRef = kids[j]; + if (kidRef.num === ref.num && kidRef.gen === ref.gen) { + break; + } + } + fieldName.unshift('`' + j); + } + namedItem = parent; + ref = parentRef; + } + data.fullName = fieldName.join('.'); + } + + Util.inherit(WidgetAnnotation, Annotation, { + /** + * Check if a provided field flag is set. + * + * @public + * @memberof WidgetAnnotation + * @param {number} flag - Hexadecimal representation for an annotation + * field characteristic + * @return {boolean} + * @see {@link shared/util.js} + */ + hasFieldFlag: function WidgetAnnotation_hasFieldFlag(flag) { + return !!(this.data.fieldFlags & flag); + }, + }); + + return WidgetAnnotation; +})(); + +var TextWidgetAnnotation = (function TextWidgetAnnotationClosure() { + function TextWidgetAnnotation(params) { + WidgetAnnotation.call(this, params); + + // Determine the alignment of text in the field. + var alignment = Util.getInheritableProperty(params.dict, 'Q'); + if (!isInt(alignment) || alignment < 0 || alignment > 2) { + alignment = null; + } + this.data.textAlignment = alignment; + + // Determine the maximum length of text in the field. + var maximumLength = Util.getInheritableProperty(params.dict, 'MaxLen'); + if (!isInt(maximumLength) || maximumLength < 0) { + maximumLength = null; + } + this.data.maxLen = maximumLength; + + // Process field flags for the display layer. + this.data.readOnly = this.hasFieldFlag(AnnotationFieldFlag.READONLY); + this.data.multiLine = this.hasFieldFlag(AnnotationFieldFlag.MULTILINE); + this.data.comb = this.hasFieldFlag(AnnotationFieldFlag.COMB) && + !this.hasFieldFlag(AnnotationFieldFlag.MULTILINE) && + !this.hasFieldFlag(AnnotationFieldFlag.PASSWORD) && + !this.hasFieldFlag(AnnotationFieldFlag.FILESELECT) && + this.data.maxLen !== null; + } + + Util.inherit(TextWidgetAnnotation, WidgetAnnotation, { + getOperatorList: + function TextWidgetAnnotation_getOperatorList(evaluator, task, + renderForms) { + var operatorList = new OperatorList(); + + // Do not render form elements on the canvas when interactive forms are + // enabled. The display layer is responsible for rendering them instead. + if (renderForms) { + return Promise.resolve(operatorList); + } + + if (this.appearance) { + return Annotation.prototype.getOperatorList.call(this, evaluator, task, + renderForms); + } + + // Even if there is an appearance stream, ignore it. This is the + // behaviour used by Adobe Reader. + if (!this.data.defaultAppearance) { + return Promise.resolve(operatorList); + } + + var stream = new Stream(stringToBytes(this.data.defaultAppearance)); + return evaluator.getOperatorList(stream, task, this.fieldResources, + operatorList). + then(function () { + return operatorList; + }); + } + }); + + return TextWidgetAnnotation; +})(); + +var TextAnnotation = (function TextAnnotationClosure() { + var DEFAULT_ICON_SIZE = 22; // px + + function TextAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.TEXT; + + if (this.data.hasAppearance) { + this.data.name = 'NoIcon'; + } else { + this.data.rect[1] = this.data.rect[3] - DEFAULT_ICON_SIZE; + this.data.rect[2] = this.data.rect[0] + DEFAULT_ICON_SIZE; + this.data.name = parameters.dict.has('Name') ? + parameters.dict.get('Name').name : 'Note'; + } + this._preparePopup(parameters.dict); + } + + Util.inherit(TextAnnotation, Annotation, {}); + + return TextAnnotation; +})(); + +var LinkAnnotation = (function LinkAnnotationClosure() { + function LinkAnnotation(params) { + Annotation.call(this, params); + + var dict = params.dict; + var data = this.data; + data.annotationType = AnnotationType.LINK; + + var action = dict.get('A'), url, dest; + if (action && isDict(action)) { + var linkType = action.get('S').name; + switch (linkType) { + case 'URI': + url = action.get('URI'); + if (isName(url)) { + // Some bad PDFs do not put parentheses around relative URLs. + url = '/' + url.name; + } else if (url) { + url = addDefaultProtocolToUrl(url); + } + // TODO: pdf spec mentions urls can be relative to a Base + // entry in the dictionary. + break; + + case 'GoTo': + dest = action.get('D'); + break; + + case 'GoToR': + var urlDict = action.get('F'); + if (isDict(urlDict)) { + // We assume that we found a FileSpec dictionary + // and fetch the URL without checking any further. + url = urlDict.get('F') || null; + } else if (isString(urlDict)) { + url = urlDict; + } + + // NOTE: the destination is relative to the *remote* document. + var remoteDest = action.get('D'); + if (remoteDest) { + if (isName(remoteDest)) { + remoteDest = remoteDest.name; + } + if (isString(url)) { + var baseUrl = url.split('#')[0]; + if (isString(remoteDest)) { + // In practice, a named destination may contain only a number. + // If that happens, use the '#nameddest=' form to avoid the link + // redirecting to a page, instead of the correct destination. + url = baseUrl + '#' + + (/^\d+$/.test(remoteDest) ? 'nameddest=' : '') + remoteDest; + } else if (isArray(remoteDest)) { + url = baseUrl + '#' + JSON.stringify(remoteDest); + } + } + } + // The 'NewWindow' property, equal to `LinkTarget.BLANK`. + var newWindow = action.get('NewWindow'); + if (isBool(newWindow)) { + data.newWindow = newWindow; + } + break; + + case 'Named': + data.action = action.get('N').name; + break; + + default: + warn('unrecognized link type: ' + linkType); + } + } else if (dict.has('Dest')) { // Simple destination link. + dest = dict.get('Dest'); + } + + if (url) { + if (isValidUrl(url, /* allowRelative = */ false)) { + data.url = tryConvertUrlEncoding(url); + } + } + if (dest) { + data.dest = isName(dest) ? dest.name : dest; + } + } + + // Lets URLs beginning with 'www.' default to using the 'http://' protocol. + function addDefaultProtocolToUrl(url) { + if (isString(url) && url.indexOf('www.') === 0) { + return ('http://' + url); + } + return url; + } + + function tryConvertUrlEncoding(url) { + // According to ISO 32000-1:2008, section 12.6.4.7, URIs should be encoded + // in 7-bit ASCII. Some bad PDFs use UTF-8 encoding, see Bugzilla 1122280. + try { + return stringToUTF8String(url); + } catch (e) { + return url; + } + } + + Util.inherit(LinkAnnotation, Annotation, {}); + + return LinkAnnotation; +})(); + +var PopupAnnotation = (function PopupAnnotationClosure() { + function PopupAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.POPUP; + + var dict = parameters.dict; + var parentItem = dict.get('Parent'); + if (!parentItem) { + warn('Popup annotation has a missing or invalid parent annotation.'); + return; + } + + this.data.parentId = dict.getRaw('Parent').toString(); + this.data.title = stringToPDFString(parentItem.get('T') || ''); + this.data.contents = stringToPDFString(parentItem.get('Contents') || ''); + + if (!parentItem.has('C')) { + // Fall back to the default background color. + this.data.color = null; + } else { + this.setColor(parentItem.getArray('C')); + this.data.color = this.color; + } + + // If the Popup annotation is not viewable, but the parent annotation is, + // that is most likely a bug. Fallback to inherit the flags from the parent + // annotation (this is consistent with the behaviour in Adobe Reader). + if (!this.viewable) { + var parentFlags = parentItem.get('F'); + if (this._isViewable(parentFlags)) { + this.setFlags(parentFlags); + } + } + } + + Util.inherit(PopupAnnotation, Annotation, {}); + + return PopupAnnotation; +})(); + +var HighlightAnnotation = (function HighlightAnnotationClosure() { + function HighlightAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.HIGHLIGHT; + this._preparePopup(parameters.dict); + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(HighlightAnnotation, Annotation, {}); + + return HighlightAnnotation; +})(); + +var UnderlineAnnotation = (function UnderlineAnnotationClosure() { + function UnderlineAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.UNDERLINE; + this._preparePopup(parameters.dict); + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(UnderlineAnnotation, Annotation, {}); + + return UnderlineAnnotation; +})(); + +var SquigglyAnnotation = (function SquigglyAnnotationClosure() { + function SquigglyAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.SQUIGGLY; + this._preparePopup(parameters.dict); + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(SquigglyAnnotation, Annotation, {}); + + return SquigglyAnnotation; +})(); + +var StrikeOutAnnotation = (function StrikeOutAnnotationClosure() { + function StrikeOutAnnotation(parameters) { + Annotation.call(this, parameters); + + this.data.annotationType = AnnotationType.STRIKEOUT; + this._preparePopup(parameters.dict); + + // PDF viewers completely ignore any border styles. + this.data.borderStyle.setWidth(0); + } + + Util.inherit(StrikeOutAnnotation, Annotation, {}); + + return StrikeOutAnnotation; +})(); + +var FileAttachmentAnnotation = (function FileAttachmentAnnotationClosure() { + function FileAttachmentAnnotation(parameters) { + Annotation.call(this, parameters); + + var file = new FileSpec(parameters.dict.get('FS'), parameters.xref); + + this.data.annotationType = AnnotationType.FILEATTACHMENT; + this.data.file = file.serializable; + this._preparePopup(parameters.dict); + } + + Util.inherit(FileAttachmentAnnotation, Annotation, {}); + + return FileAttachmentAnnotation; +})(); + +exports.Annotation = Annotation; +exports.AnnotationBorderStyle = AnnotationBorderStyle; +exports.AnnotationFactory = AnnotationFactory; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreDocument = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCoreStream, + root.pdfjsCoreObj, root.pdfjsCoreParser, root.pdfjsCoreCrypto, + root.pdfjsCoreEvaluator, root.pdfjsCoreAnnotation); + } +}(this, function (exports, sharedUtil, corePrimitives, coreStream, coreObj, + coreParser, coreCrypto, coreEvaluator, coreAnnotation) { + +var MissingDataException = sharedUtil.MissingDataException; +var Util = sharedUtil.Util; +var assert = sharedUtil.assert; +var error = sharedUtil.error; +var info = sharedUtil.info; +var isArray = sharedUtil.isArray; +var isArrayBuffer = sharedUtil.isArrayBuffer; +var isString = sharedUtil.isString; +var shadow = sharedUtil.shadow; +var stringToBytes = sharedUtil.stringToBytes; +var stringToPDFString = sharedUtil.stringToPDFString; +var warn = sharedUtil.warn; +var isSpace = sharedUtil.isSpace; +var Dict = corePrimitives.Dict; +var isDict = corePrimitives.isDict; +var isName = corePrimitives.isName; +var isStream = corePrimitives.isStream; +var NullStream = coreStream.NullStream; +var Stream = coreStream.Stream; +var StreamsSequenceStream = coreStream.StreamsSequenceStream; +var Catalog = coreObj.Catalog; +var ObjectLoader = coreObj.ObjectLoader; +var XRef = coreObj.XRef; +var Linearization = coreParser.Linearization; +var calculateMD5 = coreCrypto.calculateMD5; +var OperatorList = coreEvaluator.OperatorList; +var PartialEvaluator = coreEvaluator.PartialEvaluator; +var Annotation = coreAnnotation.Annotation; +var AnnotationFactory = coreAnnotation.AnnotationFactory; + +var Page = (function PageClosure() { + + var LETTER_SIZE_MEDIABOX = [0, 0, 612, 792]; + + function Page(pdfManager, xref, pageIndex, pageDict, ref, fontCache) { + this.pdfManager = pdfManager; + this.pageIndex = pageIndex; + this.pageDict = pageDict; + this.xref = xref; + this.ref = ref; + this.fontCache = fontCache; + this.uniquePrefix = 'p' + this.pageIndex + '_'; + this.idCounters = { + obj: 0 + }; + this.evaluatorOptions = pdfManager.evaluatorOptions; + this.resourcesPromise = null; + } + + Page.prototype = { + getPageProp: function Page_getPageProp(key) { + return this.pageDict.get(key); + }, + + getInheritedPageProp: function Page_getInheritedPageProp(key) { + var dict = this.pageDict, valueArray = null, loopCount = 0; + var MAX_LOOP_COUNT = 100; + // Always walk up the entire parent chain, to be able to find + // e.g. \Resources placed on multiple levels of the tree. + while (dict) { + var value = dict.get(key); + if (value) { + if (!valueArray) { + valueArray = []; + } + valueArray.push(value); + } + if (++loopCount > MAX_LOOP_COUNT) { + warn('Page_getInheritedPageProp: maximum loop count exceeded.'); + break; + } + dict = dict.get('Parent'); + } + if (!valueArray) { + return Dict.empty; + } + if (valueArray.length === 1 || !isDict(valueArray[0]) || + loopCount > MAX_LOOP_COUNT) { + return valueArray[0]; + } + return Dict.merge(this.xref, valueArray); + }, + + get content() { + return this.getPageProp('Contents'); + }, + + get resources() { + // For robustness: The spec states that a \Resources entry has to be + // present, but can be empty. Some document omit it still, in this case + // we return an empty dictionary. + return shadow(this, 'resources', this.getInheritedPageProp('Resources')); + }, + + get mediaBox() { + var obj = this.getInheritedPageProp('MediaBox'); + // Reset invalid media box to letter size. + if (!isArray(obj) || obj.length !== 4) { + obj = LETTER_SIZE_MEDIABOX; + } + return shadow(this, 'mediaBox', obj); + }, + + get view() { + var mediaBox = this.mediaBox; + var cropBox = this.getInheritedPageProp('CropBox'); + if (!isArray(cropBox) || cropBox.length !== 4) { + return shadow(this, 'view', mediaBox); + } + + // From the spec, 6th ed., p.963: + // "The crop, bleed, trim, and art boxes should not ordinarily + // extend beyond the boundaries of the media box. If they do, they are + // effectively reduced to their intersection with the media box." + cropBox = Util.intersect(cropBox, mediaBox); + if (!cropBox) { + return shadow(this, 'view', mediaBox); + } + return shadow(this, 'view', cropBox); + }, + + get rotate() { + var rotate = this.getInheritedPageProp('Rotate') || 0; + // Normalize rotation so it's a multiple of 90 and between 0 and 270 + if (rotate % 90 !== 0) { + rotate = 0; + } else if (rotate >= 360) { + rotate = rotate % 360; + } else if (rotate < 0) { + // The spec doesn't cover negatives, assume its counterclockwise + // rotation. The following is the other implementation of modulo. + rotate = ((rotate % 360) + 360) % 360; + } + return shadow(this, 'rotate', rotate); + }, + + getContentStream: function Page_getContentStream() { + var content = this.content; + var stream; + if (isArray(content)) { + // fetching items + var xref = this.xref; + var i, n = content.length; + var streams = []; + for (i = 0; i < n; ++i) { + streams.push(xref.fetchIfRef(content[i])); + } + stream = new StreamsSequenceStream(streams); + } else if (isStream(content)) { + stream = content; + } else { + // replacing non-existent page content with empty one + stream = new NullStream(); + } + return stream; + }, + + loadResources: function Page_loadResources(keys) { + if (!this.resourcesPromise) { + // TODO: add async getInheritedPageProp and remove this. + this.resourcesPromise = this.pdfManager.ensure(this, 'resources'); + } + return this.resourcesPromise.then(function resourceSuccess() { + var objectLoader = new ObjectLoader(this.resources.map, + keys, + this.xref); + return objectLoader.load(); + }.bind(this)); + }, + + getOperatorList: function Page_getOperatorList(handler, task, intent, + renderInteractiveForms) { + var self = this; + + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', + []); + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'ColorSpace', + 'Pattern', + 'Shading', + 'XObject', + 'Font' + // ProcSet + // Properties + ]); + + var partialEvaluator = new PartialEvaluator(pdfManager, this.xref, + handler, this.pageIndex, + this.uniquePrefix, + this.idCounters, + this.fontCache, + this.evaluatorOptions); + + var dataPromises = Promise.all([contentStreamPromise, resourcesPromise]); + var pageListPromise = dataPromises.then(function(data) { + var contentStream = data[0]; + var opList = new OperatorList(intent, handler, self.pageIndex); + + handler.send('StartRenderPage', { + transparency: partialEvaluator.hasBlendModes(self.resources), + pageIndex: self.pageIndex, + intent: intent + }); + return partialEvaluator.getOperatorList(contentStream, task, + self.resources, opList).then(function () { + return opList; + }); + }); + + var annotationsPromise = pdfManager.ensure(this, 'annotations'); + return Promise.all([pageListPromise, annotationsPromise]).then( + function(datas) { + var pageOpList = datas[0]; + var annotations = datas[1]; + + if (annotations.length === 0) { + pageOpList.flush(true); + return pageOpList; + } + + var annotationsReadyPromise = Annotation.appendToOperatorList( + annotations, pageOpList, partialEvaluator, task, intent, + renderInteractiveForms); + return annotationsReadyPromise.then(function () { + pageOpList.flush(true); + return pageOpList; + }); + }); + }, + + extractTextContent: function Page_extractTextContent(task, + normalizeWhitespace, + combineTextItems) { + var handler = { + on: function nullHandlerOn() {}, + send: function nullHandlerSend() {} + }; + + var self = this; + + var pdfManager = this.pdfManager; + var contentStreamPromise = pdfManager.ensure(this, 'getContentStream', + []); + + var resourcesPromise = this.loadResources([ + 'ExtGState', + 'XObject', + 'Font' + ]); + + var dataPromises = Promise.all([contentStreamPromise, + resourcesPromise]); + return dataPromises.then(function(data) { + var contentStream = data[0]; + var partialEvaluator = new PartialEvaluator(pdfManager, self.xref, + handler, self.pageIndex, + self.uniquePrefix, + self.idCounters, + self.fontCache, + self.evaluatorOptions); + + return partialEvaluator.getTextContent(contentStream, + task, + self.resources, + /* stateManager = */ null, + normalizeWhitespace, + combineTextItems); + }); + }, + + getAnnotationsData: function Page_getAnnotationsData(intent) { + var annotations = this.annotations; + var annotationsData = []; + for (var i = 0, n = annotations.length; i < n; ++i) { + if (intent) { + if (!(intent === 'display' && annotations[i].viewable) && + !(intent === 'print' && annotations[i].printable)) { + continue; + } + } + annotationsData.push(annotations[i].data); + } + return annotationsData; + }, + + get annotations() { + var annotations = []; + var annotationRefs = this.getInheritedPageProp('Annots') || []; + var annotationFactory = new AnnotationFactory(); + for (var i = 0, n = annotationRefs.length; i < n; ++i) { + var annotationRef = annotationRefs[i]; + var annotation = annotationFactory.create(this.xref, annotationRef, + this.uniquePrefix, + this.idCounters); + if (annotation) { + annotations.push(annotation); + } + } + return shadow(this, 'annotations', annotations); + } + }; + + return Page; +})(); + +/** + * The `PDFDocument` holds all the data of the PDF file. Compared to the + * `PDFDoc`, this one doesn't have any job management code. + * Right now there exists one PDFDocument on the main thread + one object + * for each worker. If there is no worker support enabled, there are two + * `PDFDocument` objects on the main thread created. + */ +var PDFDocument = (function PDFDocumentClosure() { + var FINGERPRINT_FIRST_BYTES = 1024; + var EMPTY_FINGERPRINT = '\x00\x00\x00\x00\x00\x00\x00' + + '\x00\x00\x00\x00\x00\x00\x00\x00\x00'; + + function PDFDocument(pdfManager, arg, password) { + if (isStream(arg)) { + init.call(this, pdfManager, arg, password); + } else if (isArrayBuffer(arg)) { + init.call(this, pdfManager, new Stream(arg), password); + } else { + error('PDFDocument: Unknown argument type'); + } + } + + function init(pdfManager, stream, password) { + assert(stream.length > 0, 'stream must have data'); + this.pdfManager = pdfManager; + this.stream = stream; + var xref = new XRef(this.stream, password, pdfManager); + this.xref = xref; + } + + function find(stream, needle, limit, backwards) { + var pos = stream.pos; + var end = stream.end; + var strBuf = []; + if (pos + limit > end) { + limit = end - pos; + } + for (var n = 0; n < limit; ++n) { + strBuf.push(String.fromCharCode(stream.getByte())); + } + var str = strBuf.join(''); + stream.pos = pos; + var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle); + if (index === -1) { + return false; /* not found */ + } + stream.pos += index; + return true; /* found */ + } + + var DocumentInfoValidators = { + get entries() { + // Lazily build this since all the validation functions below are not + // defined until after this file loads. + return shadow(this, 'entries', { + Title: isString, + Author: isString, + Subject: isString, + Keywords: isString, + Creator: isString, + Producer: isString, + CreationDate: isString, + ModDate: isString, + Trapped: isName + }); + } + }; + + PDFDocument.prototype = { + parse: function PDFDocument_parse(recoveryMode) { + this.setup(recoveryMode); + var version = this.catalog.catDict.get('Version'); + if (isName(version)) { + this.pdfFormatVersion = version.name; + } + try { + // checking if AcroForm is present + this.acroForm = this.catalog.catDict.get('AcroForm'); + if (this.acroForm) { + this.xfa = this.acroForm.get('XFA'); + var fields = this.acroForm.get('Fields'); + if ((!fields || !isArray(fields) || fields.length === 0) && + !this.xfa) { + // no fields and no XFA -- not a form (?) + this.acroForm = null; + } + } + } catch (ex) { + info('Something wrong with AcroForm entry'); + this.acroForm = null; + } + }, + + get linearization() { + var linearization = null; + if (this.stream.length) { + try { + linearization = Linearization.create(this.stream); + } catch (err) { + if (err instanceof MissingDataException) { + throw err; + } + info(err); + } + } + // shadow the prototype getter with a data property + return shadow(this, 'linearization', linearization); + }, + get startXRef() { + var stream = this.stream; + var startXRef = 0; + var linearization = this.linearization; + if (linearization) { + // Find end of first obj. + stream.reset(); + if (find(stream, 'endobj', 1024)) { + startXRef = stream.pos + 6; + } + } else { + // Find startxref by jumping backward from the end of the file. + var step = 1024; + var found = false, pos = stream.end; + while (!found && pos > 0) { + pos -= step - 'startxref'.length; + if (pos < 0) { + pos = 0; + } + stream.pos = pos; + found = find(stream, 'startxref', step, true); + } + if (found) { + stream.skip(9); + var ch; + do { + ch = stream.getByte(); + } while (isSpace(ch)); + var str = ''; + while (ch >= 0x20 && ch <= 0x39) { // < '9' + str += String.fromCharCode(ch); + ch = stream.getByte(); + } + startXRef = parseInt(str, 10); + if (isNaN(startXRef)) { + startXRef = 0; + } + } + } + // shadow the prototype getter with a data property + return shadow(this, 'startXRef', startXRef); + }, + get mainXRefEntriesOffset() { + var mainXRefEntriesOffset = 0; + var linearization = this.linearization; + if (linearization) { + mainXRefEntriesOffset = linearization.mainXRefEntriesOffset; + } + // shadow the prototype getter with a data property + return shadow(this, 'mainXRefEntriesOffset', mainXRefEntriesOffset); + }, + // Find the header, remove leading garbage and setup the stream + // starting from the header. + checkHeader: function PDFDocument_checkHeader() { + var stream = this.stream; + stream.reset(); + if (find(stream, '%PDF-', 1024)) { + // Found the header, trim off any garbage before it. + stream.moveStart(); + // Reading file format version + var MAX_VERSION_LENGTH = 12; + var version = '', ch; + while ((ch = stream.getByte()) > 0x20) { // SPACE + if (version.length >= MAX_VERSION_LENGTH) { + break; + } + version += String.fromCharCode(ch); + } + if (!this.pdfFormatVersion) { + // removing "%PDF-"-prefix + this.pdfFormatVersion = version.substring(5); + } + return; + } + // May not be a PDF file, continue anyway. + }, + parseStartXRef: function PDFDocument_parseStartXRef() { + var startXRef = this.startXRef; + this.xref.setStartXRef(startXRef); + }, + setup: function PDFDocument_setup(recoveryMode) { + this.xref.parse(recoveryMode); + var self = this; + var pageFactory = { + createPage: function (pageIndex, dict, ref, fontCache) { + return new Page(self.pdfManager, self.xref, pageIndex, dict, ref, + fontCache); + } + }; + this.catalog = new Catalog(this.pdfManager, this.xref, pageFactory); + }, + get numPages() { + var linearization = this.linearization; + var num = linearization ? linearization.numPages : this.catalog.numPages; + // shadow the prototype getter + return shadow(this, 'numPages', num); + }, + get documentInfo() { + var docInfo = { + PDFFormatVersion: this.pdfFormatVersion, + IsAcroFormPresent: !!this.acroForm, + IsXFAPresent: !!this.xfa + }; + var infoDict; + try { + infoDict = this.xref.trailer.get('Info'); + } catch (err) { + info('The document information dictionary is invalid.'); + } + if (infoDict) { + var validEntries = DocumentInfoValidators.entries; + // Only fill the document info with valid entries from the spec. + for (var key in validEntries) { + if (infoDict.has(key)) { + var value = infoDict.get(key); + // Make sure the value conforms to the spec. + if (validEntries[key](value)) { + docInfo[key] = (typeof value !== 'string' ? + value : stringToPDFString(value)); + } else { + info('Bad value in document info for "' + key + '"'); + } + } + } + } + return shadow(this, 'documentInfo', docInfo); + }, + get fingerprint() { + var xref = this.xref, hash, fileID = ''; + var idArray = xref.trailer.get('ID'); + + if (idArray && isArray(idArray) && idArray[0] && isString(idArray[0]) && + idArray[0] !== EMPTY_FINGERPRINT) { + hash = stringToBytes(idArray[0]); + } else { + if (this.stream.ensureRange) { + this.stream.ensureRange(0, + Math.min(FINGERPRINT_FIRST_BYTES, this.stream.end)); + } + hash = calculateMD5(this.stream.bytes.subarray(0, + FINGERPRINT_FIRST_BYTES), 0, FINGERPRINT_FIRST_BYTES); + } + + for (var i = 0, n = hash.length; i < n; i++) { + var hex = hash[i].toString(16); + fileID += hex.length === 1 ? '0' + hex : hex; + } + + return shadow(this, 'fingerprint', fileID); + }, + + getPage: function PDFDocument_getPage(pageIndex) { + return this.catalog.getPage(pageIndex); + }, + + cleanup: function PDFDocument_cleanup() { + return this.catalog.cleanup(); + } + }; + + return PDFDocument; +})(); + +exports.Page = Page; +exports.PDFDocument = PDFDocument; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCorePdfManager = {}), root.pdfjsSharedUtil, + root.pdfjsCoreStream, root.pdfjsCoreChunkedStream, + root.pdfjsCoreDocument); + } +}(this, function (exports, sharedUtil, coreStream, coreChunkedStream, + coreDocument) { + +var NotImplementedException = sharedUtil.NotImplementedException; +var MissingDataException = sharedUtil.MissingDataException; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var Util = sharedUtil.Util; +var Stream = coreStream.Stream; +var ChunkedStreamManager = coreChunkedStream.ChunkedStreamManager; +var PDFDocument = coreDocument.PDFDocument; + +var BasePdfManager = (function BasePdfManagerClosure() { + function BasePdfManager() { + throw new Error('Cannot initialize BaseManagerManager'); + } + + BasePdfManager.prototype = { + get docId() { + return this._docId; + }, + + onLoadedStream: function BasePdfManager_onLoadedStream() { + throw new NotImplementedException(); + }, + + ensureDoc: function BasePdfManager_ensureDoc(prop, args) { + return this.ensure(this.pdfDocument, prop, args); + }, + + ensureXRef: function BasePdfManager_ensureXRef(prop, args) { + return this.ensure(this.pdfDocument.xref, prop, args); + }, + + ensureCatalog: function BasePdfManager_ensureCatalog(prop, args) { + return this.ensure(this.pdfDocument.catalog, prop, args); + }, + + getPage: function BasePdfManager_getPage(pageIndex) { + return this.pdfDocument.getPage(pageIndex); + }, + + cleanup: function BasePdfManager_cleanup() { + return this.pdfDocument.cleanup(); + }, + + ensure: function BasePdfManager_ensure(obj, prop, args) { + return new NotImplementedException(); + }, + + requestRange: function BasePdfManager_requestRange(begin, end) { + return new NotImplementedException(); + }, + + requestLoadedStream: function BasePdfManager_requestLoadedStream() { + return new NotImplementedException(); + }, + + sendProgressiveData: function BasePdfManager_sendProgressiveData(chunk) { + return new NotImplementedException(); + }, + + updatePassword: function BasePdfManager_updatePassword(password) { + this.pdfDocument.xref.password = this.password = password; + if (this._passwordChangedCapability) { + this._passwordChangedCapability.resolve(); + } + }, + + passwordChanged: function BasePdfManager_passwordChanged() { + this._passwordChangedCapability = createPromiseCapability(); + return this._passwordChangedCapability.promise; + }, + + terminate: function BasePdfManager_terminate() { + return new NotImplementedException(); + } + }; + + return BasePdfManager; +})(); + +var LocalPdfManager = (function LocalPdfManagerClosure() { + function LocalPdfManager(docId, data, password, evaluatorOptions) { + this._docId = docId; + this.evaluatorOptions = evaluatorOptions; + var stream = new Stream(data); + this.pdfDocument = new PDFDocument(this, stream, password); + this._loadedStreamCapability = createPromiseCapability(); + this._loadedStreamCapability.resolve(stream); + } + + Util.inherit(LocalPdfManager, BasePdfManager, { + ensure: function LocalPdfManager_ensure(obj, prop, args) { + return new Promise(function (resolve, reject) { + try { + var value = obj[prop]; + var result; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch (e) { + reject(e); + } + }); + }, + + requestRange: function LocalPdfManager_requestRange(begin, end) { + return Promise.resolve(); + }, + + requestLoadedStream: function LocalPdfManager_requestLoadedStream() { + return; + }, + + onLoadedStream: function LocalPdfManager_onLoadedStream() { + return this._loadedStreamCapability.promise; + }, + + terminate: function LocalPdfManager_terminate() { + return; + } + }); + + return LocalPdfManager; +})(); + +var NetworkPdfManager = (function NetworkPdfManagerClosure() { + function NetworkPdfManager(docId, pdfNetworkStream, args, evaluatorOptions) { + this._docId = docId; + this.msgHandler = args.msgHandler; + this.evaluatorOptions = evaluatorOptions; + + var params = { + msgHandler: args.msgHandler, + url: args.url, + length: args.length, + disableAutoFetch: args.disableAutoFetch, + rangeChunkSize: args.rangeChunkSize + }; + this.streamManager = new ChunkedStreamManager(pdfNetworkStream, params); + this.pdfDocument = new PDFDocument(this, this.streamManager.getStream(), + args.password); + } + + Util.inherit(NetworkPdfManager, BasePdfManager, { + ensure: function NetworkPdfManager_ensure(obj, prop, args) { + var pdfManager = this; + + return new Promise(function (resolve, reject) { + function ensureHelper() { + try { + var result; + var value = obj[prop]; + if (typeof value === 'function') { + result = value.apply(obj, args); + } else { + result = value; + } + resolve(result); + } catch(e) { + if (!(e instanceof MissingDataException)) { + reject(e); + return; + } + pdfManager.streamManager.requestRange(e.begin, e.end). + then(ensureHelper, reject); + } + } + + ensureHelper(); + }); + }, + + requestRange: function NetworkPdfManager_requestRange(begin, end) { + return this.streamManager.requestRange(begin, end); + }, + + requestLoadedStream: function NetworkPdfManager_requestLoadedStream() { + this.streamManager.requestAllChunks(); + }, + + sendProgressiveData: + function NetworkPdfManager_sendProgressiveData(chunk) { + this.streamManager.onReceiveData({ chunk: chunk }); + }, + + onLoadedStream: function NetworkPdfManager_onLoadedStream() { + return this.streamManager.onLoadedStream(); + }, + + terminate: function NetworkPdfManager_terminate() { + this.streamManager.abort(); + } + }); + + return NetworkPdfManager; +})(); + +exports.LocalPdfManager = LocalPdfManager; +exports.NetworkPdfManager = NetworkPdfManager; +})); + + +(function (root, factory) { + { + factory((root.pdfjsCoreWorker = {}), root.pdfjsSharedUtil, + root.pdfjsCorePrimitives, root.pdfjsCorePdfManager); + } +}(this, function (exports, sharedUtil, corePrimitives, corePdfManager) { + +var UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES; +var InvalidPDFException = sharedUtil.InvalidPDFException; +var MessageHandler = sharedUtil.MessageHandler; +var MissingPDFException = sharedUtil.MissingPDFException; +var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; +var PasswordException = sharedUtil.PasswordException; +var PasswordResponses = sharedUtil.PasswordResponses; +var UnknownErrorException = sharedUtil.UnknownErrorException; +var XRefParseException = sharedUtil.XRefParseException; +var arrayByteLength = sharedUtil.arrayByteLength; +var arraysToBytes = sharedUtil.arraysToBytes; +var assert = sharedUtil.assert; +var createPromiseCapability = sharedUtil.createPromiseCapability; +var error = sharedUtil.error; +var info = sharedUtil.info; +var warn = sharedUtil.warn; +var setVerbosityLevel = sharedUtil.setVerbosityLevel; +var Ref = corePrimitives.Ref; +var LocalPdfManager = corePdfManager.LocalPdfManager; +var NetworkPdfManager = corePdfManager.NetworkPdfManager; +var globalScope = sharedUtil.globalScope; + +var WorkerTask = (function WorkerTaskClosure() { + function WorkerTask(name) { + this.name = name; + this.terminated = false; + this._capability = createPromiseCapability(); + } + + WorkerTask.prototype = { + get finished() { + return this._capability.promise; + }, + + finish: function () { + this._capability.resolve(); + }, + + terminate: function () { + this.terminated = true; + }, + + ensureNotTerminated: function () { + if (this.terminated) { + throw new Error('Worker task was terminated'); + } + } + }; + + return WorkerTask; +})(); + + +/** @implements {IPDFStream} */ +var PDFWorkerStream = (function PDFWorkerStreamClosure() { + function PDFWorkerStream(params, msgHandler) { + this._queuedChunks = []; + var initialData = params.initialData; + if (initialData && initialData.length > 0) { + this._queuedChunks.push(initialData); + } + this._msgHandler = msgHandler; + + this._isRangeSupported = !(params.disableRange); + this._isStreamingSupported = !(params.disableStream); + this._contentLength = params.length; + + this._fullRequestReader = null; + this._rangeReaders = []; + + msgHandler.on('OnDataRange', this._onReceiveData.bind(this)); + msgHandler.on('OnDataProgress', this._onProgress.bind(this)); + } + PDFWorkerStream.prototype = { + _onReceiveData: function PDFWorkerStream_onReceiveData(args) { + if (args.begin === undefined) { + if (this._fullRequestReader) { + this._fullRequestReader._enqueue(args.chunk); + } else { + this._queuedChunks.push(args.chunk); + } + } else { + var found = this._rangeReaders.some(function (rangeReader) { + if (rangeReader._begin !== args.begin) { + return false; + } + rangeReader._enqueue(args.chunk); + return true; + }); + assert(found); + } + }, + + _onProgress: function PDFWorkerStream_onProgress(evt) { + if (this._rangeReaders.length > 0) { + // Reporting to first range reader. + var firstReader = this._rangeReaders[0]; + if (firstReader.onProgress) { + firstReader.onProgress({loaded: evt.loaded}); + } + } + }, + + _removeRangeReader: function PDFWorkerStream_removeRangeReader(reader) { + var i = this._rangeReaders.indexOf(reader); + if (i >= 0) { + this._rangeReaders.splice(i, 1); + } + }, + + getFullReader: function PDFWorkerStream_getFullReader() { + assert(!this._fullRequestReader); + var queuedChunks = this._queuedChunks; + this._queuedChunks = null; + return new PDFWorkerStreamReader(this, queuedChunks); + }, + + getRangeReader: function PDFWorkerStream_getRangeReader(begin, end) { + var reader = new PDFWorkerStreamRangeReader(this, begin, end); + this._msgHandler.send('RequestDataRange', { begin: begin, end: end }); + this._rangeReaders.push(reader); + return reader; + }, + + cancelAllRequests: function PDFWorkerStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeReaders.slice(0); + readers.forEach(function (rangeReader) { + rangeReader.cancel(reason); + }); + } + }; + + /** @implements {IPDFStreamReader} */ + function PDFWorkerStreamReader(stream, queuedChunks) { + this._stream = stream; + this._done = false; + this._queuedChunks = queuedChunks || []; + this._requests = []; + this._headersReady = Promise.resolve(); + stream._fullRequestReader = this; + + this.onProgress = null; // not used + } + PDFWorkerStreamReader.prototype = { + _enqueue: function PDFWorkerStreamReader_enqueue(chunk) { + if (this._done) { + return; // ignore new data + } + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({value: chunk, done: false}); + return; + } + this._queuedChunks.push(chunk); + }, + + get headersReady() { + return this._headersReady; + }, + + get isRangeSupported() { + return this._stream._isRangeSupported; + }, + + get isStreamingSupported() { + return this._stream._isStreamingSupported; + }, + + get contentLength() { + return this._stream._contentLength; + }, + + read: function PDFWorkerStreamReader_read() { + if (this._queuedChunks.length > 0) { + var chunk = this._queuedChunks.shift(); + return Promise.resolve({value: chunk, done: false}); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFWorkerStreamReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + } + }; + + /** @implements {IPDFStreamRangeReader} */ + function PDFWorkerStreamRangeReader(stream, begin, end) { + this._stream = stream; + this._begin = begin; + this._end = end; + this._queuedChunk = null; + this._requests = []; + this._done = false; + + this.onProgress = null; + } + PDFWorkerStreamRangeReader.prototype = { + _enqueue: function PDFWorkerStreamRangeReader_enqueue(chunk) { + if (this._done) { + return; // ignore new data + } + if (this._requests.length === 0) { + this._queuedChunk = chunk; + } else { + var requestsCapability = this._requests.shift(); + requestsCapability.resolve({value: chunk, done: false}); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + } + this._done = true; + this._stream._removeRangeReader(this); + }, + + get isStreamingSupported() { + return false; + }, + + read: function PDFWorkerStreamRangeReader_read() { + if (this._queuedChunk) { + return Promise.resolve({value: this._queuedChunk, done: false}); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFWorkerStreamRangeReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + this._stream._removeRangeReader(this); + } + }; + + return PDFWorkerStream; +})(); + +/** @type IPDFStream */ +var PDFNetworkStream; + +/** + * Sets PDFNetworkStream class to be used as alternative PDF data transport. + * @param {IPDFStream} cls - the PDF data transport. + */ +function setPDFNetworkStreamClass(cls) { + PDFNetworkStream = cls; +} + +var WorkerMessageHandler = { + setup: function wphSetup(handler, port) { + var testMessageProcessed = false; + handler.on('test', function wphSetupTest(data) { + if (testMessageProcessed) { + return; // we already processed 'test' message once + } + testMessageProcessed = true; + + // check if Uint8Array can be sent to worker + if (!(data instanceof Uint8Array)) { + handler.send('test', 'main', false); + return; + } + // making sure postMessage transfers are working + var supportTransfers = data[0] === 255; + handler.postMessageTransfers = supportTransfers; + // check if the response property is supported by xhr + var xhr = new XMLHttpRequest(); + var responseExists = 'response' in xhr; + // check if the property is actually implemented + try { + var dummy = xhr.responseType; + } catch (e) { + responseExists = false; + } + if (!responseExists) { + handler.send('test', false); + return; + } + handler.send('test', { + supportTypedArray: true, + supportTransfers: supportTransfers + }); + }); + + handler.on('configure', function wphConfigure(data) { + setVerbosityLevel(data.verbosity); + }); + + handler.on('GetDocRequest', function wphSetupDoc(data) { + return WorkerMessageHandler.createDocumentHandler(data, port); + }); + }, + createDocumentHandler: function wphCreateDocumentHandler(docParams, port) { + // This context is actually holds references on pdfManager and handler, + // until the latter is destroyed. + var pdfManager; + var terminated = false; + var cancelXHRs = null; + var WorkerTasks = []; + + var docId = docParams.docId; + var workerHandlerName = docParams.docId + '_worker'; + var handler = new MessageHandler(workerHandlerName, docId, port); + + // Ensure that postMessage transfers are correctly enabled/disabled, + // to prevent "DataCloneError" in older versions of IE (see issue 6957). + handler.postMessageTransfers = docParams.postMessageTransfers; + + function ensureNotTerminated() { + if (terminated) { + throw new Error('Worker was terminated'); + } + } + + function startWorkerTask(task) { + WorkerTasks.push(task); + } + + function finishWorkerTask(task) { + task.finish(); + var i = WorkerTasks.indexOf(task); + WorkerTasks.splice(i, 1); + } + + function loadDocument(recoveryMode) { + var loadDocumentCapability = createPromiseCapability(); + + var parseSuccess = function parseSuccess() { + var numPagesPromise = pdfManager.ensureDoc('numPages'); + var fingerprintPromise = pdfManager.ensureDoc('fingerprint'); + var encryptedPromise = pdfManager.ensureXRef('encrypt'); + Promise.all([numPagesPromise, fingerprintPromise, + encryptedPromise]).then(function onDocReady(results) { + var doc = { + numPages: results[0], + fingerprint: results[1], + encrypted: !!results[2], + }; + loadDocumentCapability.resolve(doc); + }, + parseFailure); + }; + + var parseFailure = function parseFailure(e) { + loadDocumentCapability.reject(e); + }; + + pdfManager.ensureDoc('checkHeader', []).then(function() { + pdfManager.ensureDoc('parseStartXRef', []).then(function() { + pdfManager.ensureDoc('parse', [recoveryMode]).then( + parseSuccess, parseFailure); + }, parseFailure); + }, parseFailure); + + return loadDocumentCapability.promise; + } + + function getPdfManager(data, evaluatorOptions) { + var pdfManagerCapability = createPromiseCapability(); + var pdfManager; + + var source = data.source; + if (source.data) { + try { + pdfManager = new LocalPdfManager(docId, source.data, source.password, + evaluatorOptions); + pdfManagerCapability.resolve(pdfManager); + } catch (ex) { + pdfManagerCapability.reject(ex); + } + return pdfManagerCapability.promise; + } + + var pdfStream; + try { + if (source.chunkedViewerLoading) { + pdfStream = new PDFWorkerStream(source, handler); + } else { + assert(PDFNetworkStream, 'pdfjs/core/network module is not loaded'); + pdfStream = new PDFNetworkStream(data); + } + } catch (ex) { + pdfManagerCapability.reject(ex); + return pdfManagerCapability.promise; + } + + var fullRequest = pdfStream.getFullReader(); + fullRequest.headersReady.then(function () { + if (!fullRequest.isStreamingSupported || + !fullRequest.isRangeSupported) { + // If stream or range are disabled, it's our only way to report + // loading progress. + fullRequest.onProgress = function (evt) { + handler.send('DocProgress', { + loaded: evt.loaded, + total: evt.total + }); + }; + } + + if (!fullRequest.isRangeSupported) { + return; + } + + // We don't need auto-fetch when streaming is enabled. + var disableAutoFetch = source.disableAutoFetch || + fullRequest.isStreamingSupported; + pdfManager = new NetworkPdfManager(docId, pdfStream, { + msgHandler: handler, + url: source.url, + password: source.password, + length: fullRequest.contentLength, + disableAutoFetch: disableAutoFetch, + rangeChunkSize: source.rangeChunkSize + }, evaluatorOptions); + pdfManagerCapability.resolve(pdfManager); + cancelXHRs = null; + }).catch(function (reason) { + pdfManagerCapability.reject(reason); + cancelXHRs = null; + }); + + var cachedChunks = [], loaded = 0; + var flushChunks = function () { + var pdfFile = arraysToBytes(cachedChunks); + if (source.length && pdfFile.length !== source.length) { + warn('reported HTTP length is different from actual'); + } + // the data is array, instantiating directly from it + try { + pdfManager = new LocalPdfManager(docId, pdfFile, source.password, + evaluatorOptions); + pdfManagerCapability.resolve(pdfManager); + } catch (ex) { + pdfManagerCapability.reject(ex); + } + cachedChunks = []; + }; + var readPromise = new Promise(function (resolve, reject) { + var readChunk = function (chunk) { + try { + ensureNotTerminated(); + if (chunk.done) { + if (!pdfManager) { + flushChunks(); + } + cancelXHRs = null; + return; + } + + var data = chunk.value; + loaded += arrayByteLength(data); + if (!fullRequest.isStreamingSupported) { + handler.send('DocProgress', { + loaded: loaded, + total: Math.max(loaded, fullRequest.contentLength || 0) + }); + } + + if (pdfManager) { + pdfManager.sendProgressiveData(data); + } else { + cachedChunks.push(data); + } + + fullRequest.read().then(readChunk, reject); + } catch (e) { + reject(e); + } + }; + fullRequest.read().then(readChunk, reject); + }); + readPromise.catch(function (e) { + pdfManagerCapability.reject(e); + cancelXHRs = null; + }); + + cancelXHRs = function () { + pdfStream.cancelAllRequests('abort'); + }; + + return pdfManagerCapability.promise; + } + + var setupDoc = function(data) { + var onSuccess = function(doc) { + ensureNotTerminated(); + handler.send('GetDoc', { pdfInfo: doc }); + }; + + var onFailure = function(e) { + if (e instanceof PasswordException) { + if (e.code === PasswordResponses.NEED_PASSWORD) { + handler.send('NeedPassword', e); + } else if (e.code === PasswordResponses.INCORRECT_PASSWORD) { + handler.send('IncorrectPassword', e); + } + } else if (e instanceof InvalidPDFException) { + handler.send('InvalidPDF', e); + } else if (e instanceof MissingPDFException) { + handler.send('MissingPDF', e); + } else if (e instanceof UnexpectedResponseException) { + handler.send('UnexpectedResponse', e); + } else { + handler.send('UnknownError', + new UnknownErrorException(e.message, e.toString())); + } + }; + + ensureNotTerminated(); + + var cMapOptions = { + url: data.cMapUrl === undefined ? null : data.cMapUrl, + packed: data.cMapPacked === true + }; + var evaluatorOptions = { + forceDataSchema: data.disableCreateObjectURL, + maxImageSize: data.maxImageSize === undefined ? -1 : data.maxImageSize, + disableFontFace: data.disableFontFace, + cMapOptions: cMapOptions + }; + + getPdfManager(data, evaluatorOptions).then(function (newPdfManager) { + if (terminated) { + // We were in a process of setting up the manager, but it got + // terminated in the middle. + newPdfManager.terminate(); + throw new Error('Worker was terminated'); + } + + pdfManager = newPdfManager; + handler.send('PDFManagerReady', null); + pdfManager.onLoadedStream().then(function(stream) { + handler.send('DataLoaded', { length: stream.bytes.byteLength }); + }); + }).then(function pdfManagerReady() { + ensureNotTerminated(); + + loadDocument(false).then(onSuccess, function loadFailure(ex) { + ensureNotTerminated(); + + // Try again with recoveryMode == true + if (!(ex instanceof XRefParseException)) { + if (ex instanceof PasswordException) { + // after password exception prepare to receive a new password + // to repeat loading + pdfManager.passwordChanged().then(pdfManagerReady); + } + + onFailure(ex); + return; + } + + pdfManager.requestLoadedStream(); + pdfManager.onLoadedStream().then(function() { + ensureNotTerminated(); + + loadDocument(true).then(onSuccess, onFailure); + }); + }, onFailure); + }, onFailure); + }; + + handler.on('GetPage', function wphSetupGetPage(data) { + return pdfManager.getPage(data.pageIndex).then(function(page) { + var rotatePromise = pdfManager.ensure(page, 'rotate'); + var refPromise = pdfManager.ensure(page, 'ref'); + var viewPromise = pdfManager.ensure(page, 'view'); + + return Promise.all([rotatePromise, refPromise, viewPromise]).then( + function(results) { + return { + rotate: results[0], + ref: results[1], + view: results[2] + }; + }); + }); + }); + + handler.on('GetPageIndex', function wphSetupGetPageIndex(data) { + var ref = new Ref(data.ref.num, data.ref.gen); + var catalog = pdfManager.pdfDocument.catalog; + return catalog.getPageIndex(ref); + }); + + handler.on('GetDestinations', + function wphSetupGetDestinations(data) { + return pdfManager.ensureCatalog('destinations'); + } + ); + + handler.on('GetDestination', + function wphSetupGetDestination(data) { + return pdfManager.ensureCatalog('getDestination', [data.id]); + } + ); + + handler.on('GetPageLabels', + function wphSetupGetPageLabels(data) { + return pdfManager.ensureCatalog('pageLabels'); + } + ); + + handler.on('GetAttachments', + function wphSetupGetAttachments(data) { + return pdfManager.ensureCatalog('attachments'); + } + ); + + handler.on('GetJavaScript', + function wphSetupGetJavaScript(data) { + return pdfManager.ensureCatalog('javaScript'); + } + ); + + handler.on('GetOutline', + function wphSetupGetOutline(data) { + return pdfManager.ensureCatalog('documentOutline'); + } + ); + + handler.on('GetMetadata', + function wphSetupGetMetadata(data) { + return Promise.all([pdfManager.ensureDoc('documentInfo'), + pdfManager.ensureCatalog('metadata')]); + } + ); + + handler.on('GetData', function wphSetupGetData(data) { + pdfManager.requestLoadedStream(); + return pdfManager.onLoadedStream().then(function(stream) { + return stream.bytes; + }); + }); + + handler.on('GetStats', + function wphSetupGetStats(data) { + return pdfManager.pdfDocument.xref.stats; + } + ); + + handler.on('UpdatePassword', function wphSetupUpdatePassword(data) { + pdfManager.updatePassword(data); + }); + + handler.on('GetAnnotations', function wphSetupGetAnnotations(data) { + return pdfManager.getPage(data.pageIndex).then(function(page) { + return pdfManager.ensure(page, 'getAnnotationsData', [data.intent]); + }); + }); + + handler.on('RenderPageRequest', function wphSetupRenderPage(data) { + var pageIndex = data.pageIndex; + pdfManager.getPage(pageIndex).then(function(page) { + var task = new WorkerTask('RenderPageRequest: page ' + pageIndex); + startWorkerTask(task); + + var pageNum = pageIndex + 1; + var start = Date.now(); + // Pre compile the pdf page and fetch the fonts/images. + page.getOperatorList(handler, task, data.intent, + data.renderInteractiveForms).then( + function(operatorList) { + finishWorkerTask(task); + + info('page=' + pageNum + ' - getOperatorList: time=' + + (Date.now() - start) + 'ms, len=' + operatorList.totalLength); + }, function(e) { + finishWorkerTask(task); + if (task.terminated) { + return; // ignoring errors from the terminated thread + } + + // For compatibility with older behavior, generating unknown + // unsupported feature notification on errors. + handler.send('UnsupportedFeature', + {featureId: UNSUPPORTED_FEATURES.unknown}); + + var minimumStackMessage = + 'worker.js: while trying to getPage() and getOperatorList()'; + + var wrappedException; + + // Turn the error into an obj that can be serialized + if (typeof e === 'string') { + wrappedException = { + message: e, + stack: minimumStackMessage + }; + } else if (typeof e === 'object') { + wrappedException = { + message: e.message || e.toString(), + stack: e.stack || minimumStackMessage + }; + } else { + wrappedException = { + message: 'Unknown exception type: ' + (typeof e), + stack: minimumStackMessage + }; + } + + handler.send('PageError', { + pageNum: pageNum, + error: wrappedException, + intent: data.intent + }); + }); + }); + }, this); + + handler.on('GetTextContent', function wphExtractText(data) { + var pageIndex = data.pageIndex; + var normalizeWhitespace = data.normalizeWhitespace; + var combineTextItems = data.combineTextItems; + return pdfManager.getPage(pageIndex).then(function(page) { + var task = new WorkerTask('GetTextContent: page ' + pageIndex); + startWorkerTask(task); + var pageNum = pageIndex + 1; + var start = Date.now(); + return page.extractTextContent(task, normalizeWhitespace, + combineTextItems).then( + function(textContent) { + finishWorkerTask(task); + info('text indexing: page=' + pageNum + ' - time=' + + (Date.now() - start) + 'ms'); + return textContent; + }, function (reason) { + finishWorkerTask(task); + if (task.terminated) { + return; // ignoring errors from the terminated thread + } + throw reason; + }); + }); + }); + + handler.on('Cleanup', function wphCleanup(data) { + return pdfManager.cleanup(); + }); + + handler.on('Terminate', function wphTerminate(data) { + terminated = true; + if (pdfManager) { + pdfManager.terminate(); + pdfManager = null; + } + if (cancelXHRs) { + cancelXHRs(); + } + + var waitOn = []; + WorkerTasks.forEach(function (task) { + waitOn.push(task.finished); + task.terminate(); + }); + + return Promise.all(waitOn).then(function () { + // Notice that even if we destroying handler, resolved response promise + // must be sent back. + handler.destroy(); + handler = null; + }); + }); + + handler.on('Ready', function wphReady(data) { + setupDoc(docParams); + docParams = null; // we don't need docParams anymore -- saving memory. + }); + return workerHandlerName; + } +}; + +function initializeWorker() { + if (!('console' in globalScope)) { + var consoleTimer = {}; + + var workerConsole = { + log: function log() { + var args = Array.prototype.slice.call(arguments); + globalScope.postMessage({ + targetName: 'main', + action: 'console_log', + data: args + }); + }, + + error: function error() { + var args = Array.prototype.slice.call(arguments); + globalScope.postMessage({ + targetName: 'main', + action: 'console_error', + data: args + }); + throw 'pdf.js execution error'; + }, + + time: function time(name) { + consoleTimer[name] = Date.now(); + }, + + timeEnd: function timeEnd(name) { + var time = consoleTimer[name]; + if (!time) { + error('Unknown timer name ' + name); + } + this.log('Timer:', name, Date.now() - time); + } + }; + + globalScope.console = workerConsole; + } + + var handler = new MessageHandler('worker', 'main', self); + WorkerMessageHandler.setup(handler, self); + handler.send('ready', null); +} + +// Worker thread (and not node.js)? +if (typeof window === 'undefined' && + !(typeof module !== 'undefined' && module.require)) { + initializeWorker(); +} + +exports.setPDFNetworkStreamClass = setPDFNetworkStreamClass; +exports.WorkerTask = WorkerTask; +exports.WorkerMessageHandler = WorkerMessageHandler; +})); + + + + +var NetworkManager = (function NetworkManagerClosure() { + + var OK_RESPONSE = 200; + var PARTIAL_CONTENT_RESPONSE = 206; + + function NetworkManager(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = (this.isHttp && args.httpHeaders) || {}; + this.withCredentials = args.withCredentials || false; + this.getXhr = args.getXhr || + function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = Object.create(null); + this.loadedRequests = Object.create(null); + } + + function getArrayBuffer(xhr) { + var data = xhr.response; + if (typeof data !== 'string') { + return data; + } + var length = data.length; + var array = new Uint8Array(length); + for (var i = 0; i < length; i++) { + array[i] = data.charCodeAt(i) & 0xFF; + } + return array.buffer; + } + + var supportsMozChunked = (function supportsMozChunkedClosure() { + try { + var x = new XMLHttpRequest(); + // Firefox 37- required .open() to be called before setting responseType. + // https://bugzilla.mozilla.org/show_bug.cgi?id=707484 + // Even though the URL is not visited, .open() could fail if the URL is + // blocked, e.g. via the connect-src CSP directive or the NoScript addon. + // When this error occurs, this feature detection method will mistakenly + // report that moz-chunked-arraybuffer is not supported in Firefox 37-. + x.open('GET', 'https://example.com'); + x.responseType = 'moz-chunked-arraybuffer'; + return x.responseType === 'moz-chunked-arraybuffer'; + } catch (e) { + return false; + } + })(); + + NetworkManager.prototype = { + requestRange: function NetworkManager_requestRange(begin, end, listeners) { + var args = { + begin: begin, + end: end + }; + for (var prop in listeners) { + args[prop] = listeners[prop]; + } + return this.request(args); + }, + + requestFull: function NetworkManager_requestFull(listeners) { + return this.request(listeners); + }, + + request: function NetworkManager_request(args) { + var xhr = this.getXhr(); + var xhrId = this.currXhrId++; + var pendingRequest = this.pendingRequests[xhrId] = { + xhr: xhr + }; + + xhr.open('GET', this.url); + xhr.withCredentials = this.withCredentials; + for (var property in this.httpHeaders) { + var value = this.httpHeaders[property]; + if (typeof value === 'undefined') { + continue; + } + xhr.setRequestHeader(property, value); + } + if (this.isHttp && 'begin' in args && 'end' in args) { + var rangeStr = args.begin + '-' + (args.end - 1); + xhr.setRequestHeader('Range', 'bytes=' + rangeStr); + pendingRequest.expectedStatus = 206; + } else { + pendingRequest.expectedStatus = 200; + } + + var useMozChunkedLoading = supportsMozChunked && !!args.onProgressiveData; + if (useMozChunkedLoading) { + xhr.responseType = 'moz-chunked-arraybuffer'; + pendingRequest.onProgressiveData = args.onProgressiveData; + pendingRequest.mozChunked = true; + } else { + xhr.responseType = 'arraybuffer'; + } + + if (args.onError) { + xhr.onerror = function(evt) { + args.onError(xhr.status); + }; + } + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + + xhr.send(null); + + return xhrId; + }, + + onProgress: function NetworkManager_onProgress(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + if (pendingRequest.mozChunked) { + var chunk = getArrayBuffer(pendingRequest.xhr); + pendingRequest.onProgressiveData(chunk); + } + + var onProgress = pendingRequest.onProgress; + if (onProgress) { + onProgress(evt); + } + }, + + onStateChange: function NetworkManager_onStateChange(xhrId, evt) { + var pendingRequest = this.pendingRequests[xhrId]; + if (!pendingRequest) { + // Maybe abortRequest was called... + return; + } + + var xhr = pendingRequest.xhr; + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + // The XHR request might have been aborted in onHeadersReceived() + // callback, in which case we should abort request + return; + } + + delete this.pendingRequests[xhrId]; + + // success status == 0 can be on ftp, file and other protocols + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + var xhrStatus = xhr.status || OK_RESPONSE; + + // From http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.2: + // "A server MAY ignore the Range header". This means it's possible to + // get a 200 rather than a 206 response from a range request. + var ok_response_on_range_request = + xhrStatus === OK_RESPONSE && + pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + + if (!ok_response_on_range_request && + xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + return; + } + + this.loadedRequests[xhrId] = true; + + var chunk = getArrayBuffer(xhr); + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + var rangeHeader = xhr.getResponseHeader('Content-Range'); + var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + var begin = parseInt(matches[1], 10); + pendingRequest.onDone({ + begin: begin, + chunk: chunk + }); + } else if (pendingRequest.onProgressiveData) { + pendingRequest.onDone(null); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk: chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + }, + + hasPendingRequests: function NetworkManager_hasPendingRequests() { + for (var xhrId in this.pendingRequests) { + return true; + } + return false; + }, + + getRequestXhr: function NetworkManager_getXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + }, + + isStreamingRequest: function NetworkManager_isStreamingRequest(xhrId) { + return !!(this.pendingRequests[xhrId].onProgressiveData); + }, + + isPendingRequest: function NetworkManager_isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + }, + + isLoadedRequest: function NetworkManager_isLoadedRequest(xhrId) { + return xhrId in this.loadedRequests; + }, + + abortAllRequests: function NetworkManager_abortAllRequests() { + for (var xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + }, + + abortRequest: function NetworkManager_abortRequest(xhrId) { + var xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + }; + + return NetworkManager; +})(); + +(function (root, factory) { + { + factory((root.pdfjsCoreNetwork = {}), root.pdfjsSharedUtil, + root.pdfjsCoreWorker); + } +}(this, function (exports, sharedUtil, coreWorker) { + + var assert = sharedUtil.assert; + var createPromiseCapability = sharedUtil.createPromiseCapability; + var isInt = sharedUtil.isInt; + var MissingPDFException = sharedUtil.MissingPDFException; + var UnexpectedResponseException = sharedUtil.UnexpectedResponseException; + + /** @implements {IPDFStream} */ + function PDFNetworkStream(options) { + this._options = options; + var source = options.source; + this._manager = new NetworkManager(source.url, { + httpHeaders: source.httpHeaders, + withCredentials: source.withCredentials + }); + this._rangeChunkSize = source.rangeChunkSize; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + PDFNetworkStream.prototype = { + _onRangeRequestReaderClosed: + function PDFNetworkStream_onRangeRequestReaderClosed(reader) { + var i = this._rangeRequestReaders.indexOf(reader); + if (i >= 0) { + this._rangeRequestReaders.splice(i, 1); + } + }, + + getFullReader: function PDFNetworkStream_getFullReader() { + assert(!this._fullRequestReader); + this._fullRequestReader = + new PDFNetworkStreamFullRequestReader(this._manager, this._options); + return this._fullRequestReader; + }, + + getRangeReader: function PDFNetworkStream_getRangeReader(begin, end) { + var reader = new PDFNetworkStreamRangeRequestReader(this._manager, + begin, end); + reader.onClosed = this._onRangeRequestReaderClosed.bind(this); + this._rangeRequestReaders.push(reader); + return reader; + }, + + cancelAllRequests: function PDFNetworkStream_cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + var readers = this._rangeRequestReaders.slice(0); + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } + }; + + /** @implements {IPDFStreamReader} */ + function PDFNetworkStreamFullRequestReader(manager, options) { + this._manager = manager; + + var source = options.source; + var args = { + onHeadersReceived: this._onHeadersReceived.bind(this), + onProgressiveData: source.disableStream ? null : + this._onProgressiveData.bind(this), + onDone: this._onDone.bind(this), + onError: this._onError.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._url = source.url; + this._fullRequestId = manager.requestFull(args); + this._headersReceivedCapability = createPromiseCapability(); + this._disableRange = options.disableRange || false; + this._contentLength = source.length; // optional + this._rangeChunkSize = source.rangeChunkSize; + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + + this._isStreamingSupported = false; + this._isRangeSupported = false; + + this._cachedChunks = []; + this._requests = []; + this._done = false; + this._storedError = undefined; + + this.onProgress = null; + } + + PDFNetworkStreamFullRequestReader.prototype = { + _validateRangeRequestCapabilities: function + PDFNetworkStreamFullRequestReader_validateRangeRequestCapabilities() { + + if (this._disableRange) { + return false; + } + + var networkManager = this._manager; + var fullRequestXhrId = this._fullRequestId; + var fullRequestXhr = networkManager.getRequestXhr(fullRequestXhrId); + if (fullRequestXhr.getResponseHeader('Accept-Ranges') !== 'bytes') { + return false; + } + + var contentEncoding = + fullRequestXhr.getResponseHeader('Content-Encoding') || 'identity'; + if (contentEncoding !== 'identity') { + return false; + } + + var length = fullRequestXhr.getResponseHeader('Content-Length'); + length = parseInt(length, 10); + if (!isInt(length)) { + return false; + } + + this._contentLength = length; // setting right content length + + if (length <= 2 * this._rangeChunkSize) { + // The file size is smaller than the size of two chunks, so it does + // not make any sense to abort the request and retry with a range + // request. + return false; + } + + return true; + }, + + _onHeadersReceived: + function PDFNetworkStreamFullRequestReader_onHeadersReceived() { + + if (this._validateRangeRequestCapabilities()) { + this._isRangeSupported = true; + } + + var networkManager = this._manager; + var fullRequestXhrId = this._fullRequestId; + if (networkManager.isStreamingRequest(fullRequestXhrId)) { + // We can continue fetching when progressive loading is enabled, + // and we don't need the autoFetch feature. + this._isStreamingSupported = true; + } else if (this._isRangeSupported) { + // NOTE: by cancelling the full request, and then issuing range + // requests, there will be an issue for sites where you can only + // request the pdf once. However, if this is the case, then the + // server should not be returning that it can support range + // requests. + networkManager.abortRequest(fullRequestXhrId); + } + + this._headersReceivedCapability.resolve(); + }, + + _onProgressiveData: + function PDFNetworkStreamFullRequestReader_onProgressiveData(chunk) { + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({value: chunk, done: false}); + } else { + this._cachedChunks.push(chunk); + } + }, + + _onDone: function PDFNetworkStreamFullRequestReader_onDone(args) { + if (args) { + this._onProgressiveData(args.chunk); + } + this._done = true; + if (this._cachedChunks.length > 0) { + return; + } + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + }, + + _onError: function PDFNetworkStreamFullRequestReader_onError(status) { + var url = this._url; + var exception; + if (status === 404 || status === 0 && /^file:/.test(url)) { + exception = new MissingPDFException('Missing PDF "' + url + '".'); + } else { + exception = new UnexpectedResponseException( + 'Unexpected server response (' + status + + ') while retrieving PDF "' + url + '".', status); + } + this._storedError = exception; + this._headersReceivedCapability.reject(exception); + this._requests.forEach(function (requestCapability) { + requestCapability.reject(exception); + }); + this._requests = []; + this._cachedChunks = []; + }, + + _onProgress: function PDFNetworkStreamFullRequestReader_onProgress(data) { + if (this.onProgress) { + this.onProgress({ + loaded: data.loaded, + total: data.lengthComputable ? data.total : this._contentLength + }); + } + }, + + get isRangeSupported() { + return this._isRangeSupported; + }, + + get isStreamingSupported() { + return this._isStreamingSupported; + }, + + get contentLength() { + return this._contentLength; + }, + + get headersReady() { + return this._headersReceivedCapability.promise; + }, + + read: function PDFNetworkStreamFullRequestReader_read() { + if (this._storedError) { + return Promise.reject(this._storedError); + } + if (this._cachedChunks.length > 0) { + var chunk = this._cachedChunks.shift(); + return Promise.resolve(chunk); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFNetworkStreamFullRequestReader_cancel(reason) { + this._done = true; + this._headersReceivedCapability.reject(reason); + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + if (this._manager.isPendingRequest(this._fullRequestId)) { + this._manager.abortRequest(this._fullRequestId); + } + this._fullRequestReader = null; + } + }; + + /** @implements {IPDFStreamRangeReader} */ + function PDFNetworkStreamRangeRequestReader(manager, begin, end) { + this._manager = manager; + var args = { + onDone: this._onDone.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._requestId = manager.requestRange(begin, end, args); + this._requests = []; + this._queuedChunk = null; + this._done = false; + + this.onProgress = null; + this.onClosed = null; + } + + PDFNetworkStreamRangeRequestReader.prototype = { + _close: function PDFNetworkStreamRangeRequestReader_close() { + if (this.onClosed) { + this.onClosed(this); + } + }, + + _onDone: function PDFNetworkStreamRangeRequestReader_onDone(data) { + var chunk = data.chunk; + if (this._requests.length > 0) { + var requestCapability = this._requests.shift(); + requestCapability.resolve({value: chunk, done: false}); + } else { + this._queuedChunk = chunk; + } + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + this._close(); + }, + + _onProgress: function PDFNetworkStreamRangeRequestReader_onProgress(evt) { + if (!this.isStreamingSupported && this.onProgress) { + this.onProgress({ + loaded: evt.loaded + }); + } + }, + + get isStreamingSupported() { + return false; // TODO allow progressive range bytes loading + }, + + read: function PDFNetworkStreamRangeRequestReader_read() { + if (this._queuedChunk !== null) { + var chunk = this._queuedChunk; + this._queuedChunk = null; + return Promise.resolve({value: chunk, done: false}); + } + if (this._done) { + return Promise.resolve({value: undefined, done: true}); + } + var requestCapability = createPromiseCapability(); + this._requests.push(requestCapability); + return requestCapability.promise; + }, + + cancel: function PDFNetworkStreamRangeRequestReader_cancel(reason) { + this._done = true; + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({value: undefined, done: true}); + }); + this._requests = []; + if (this._manager.isPendingRequest(this._requestId)) { + this._manager.abortRequest(this._requestId); + } + this._close(); + } + }; + + coreWorker.setPDFNetworkStreamClass(PDFNetworkStream); + + exports.PDFNetworkStream = PDFNetworkStream; + exports.NetworkManager = NetworkManager; +})); + }).call(pdfjsLibs); + + exports.WorkerMessageHandler = pdfjsLibs.pdfjsCoreWorker.WorkerMessageHandler; +})); + diff --git a/webapp/views/components/Preview.js b/webapp/views/components/Preview.js index 8743f13..747db83 100644 --- a/webapp/views/components/Preview.js +++ b/webapp/views/components/Preview.js @@ -3,11 +3,15 @@ import PDF from 'react-pdf'; class Preview extends Component { render(props) { + if (!props.pdfUrl) { + return ''; + } + return ( ); } diff --git a/webapp/views/pages/Home.js b/webapp/views/pages/Home.js index bf38789..fe2520a 100644 --- a/webapp/views/pages/Home.js +++ b/webapp/views/pages/Home.js @@ -5,7 +5,7 @@ import Input from '../components/Input'; import Button from '../components/Button'; import Preview from '../components/Preview'; -function arrayBufferToBase64(arrayBuffer) { +function toBase64(arrayBuffer) { return btoa(String.fromCharCode(...new Uint8Array(arrayBuffer))); } @@ -20,7 +20,7 @@ class Home extends Component { value={props.subject} />