/** * @licstart The following is the entire license notice for the * Javascript code in this page * * Copyright 2018 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. * * @licend The above is the entire license notice for the * Javascript code in this page */ (function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(); else if(typeof define === 'function' && define.amd) define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory); else if(typeof exports === 'object') exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory(); else root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory(); })(this, function() { return /******/ (function(modules) { // webpackBootstrap /******/ // The module cache /******/ var installedModules = {}; /******/ /******/ // The require function /******/ function __w_pdfjs_require__(moduleId) { /******/ /******/ // Check if module is in cache /******/ if(installedModules[moduleId]) { /******/ return installedModules[moduleId].exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = installedModules[moduleId] = { /******/ i: moduleId, /******/ l: false, /******/ exports: {} /******/ }; /******/ /******/ // Execute the module function /******/ modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__); /******/ /******/ // Flag the module as loaded /******/ module.l = true; /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /******/ /******/ // expose the modules object (__webpack_modules__) /******/ __w_pdfjs_require__.m = modules; /******/ /******/ // expose the module cache /******/ __w_pdfjs_require__.c = installedModules; /******/ /******/ // define getter function for harmony exports /******/ __w_pdfjs_require__.d = function(exports, name, getter) { /******/ if(!__w_pdfjs_require__.o(exports, name)) { /******/ Object.defineProperty(exports, name, { enumerable: true, get: getter }); /******/ } /******/ }; /******/ /******/ // define __esModule on exports /******/ __w_pdfjs_require__.r = function(exports) { /******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) { /******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' }); /******/ } /******/ Object.defineProperty(exports, '__esModule', { value: true }); /******/ }; /******/ /******/ // create a fake namespace object /******/ // mode & 1: value is a module id, require it /******/ // mode & 2: merge all properties of value into the ns /******/ // mode & 4: return value when already ns object /******/ // mode & 8|1: behave like require /******/ __w_pdfjs_require__.t = function(value, mode) { /******/ if(mode & 1) value = __w_pdfjs_require__(value); /******/ if(mode & 8) return value; /******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value; /******/ var ns = Object.create(null); /******/ __w_pdfjs_require__.r(ns); /******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value }); /******/ if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key)); /******/ return ns; /******/ }; /******/ /******/ // getDefaultExport function for compatibility with non-harmony modules /******/ __w_pdfjs_require__.n = function(module) { /******/ var getter = module && module.__esModule ? /******/ function getDefault() { return module['default']; } : /******/ function getModuleExports() { return module; }; /******/ __w_pdfjs_require__.d(getter, 'a', getter); /******/ return getter; /******/ }; /******/ /******/ // Object.prototype.hasOwnProperty.call /******/ __w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); }; /******/ /******/ // __webpack_public_path__ /******/ __w_pdfjs_require__.p = ""; /******/ /******/ /******/ // Load entry module and return exports /******/ return __w_pdfjs_require__(__w_pdfjs_require__.s = 0); /******/ }) /************************************************************************/ /******/ ([ /* 0 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); Object.defineProperty(exports, "getVerbosityLevel", { enumerable: true, get: function get() { return _util.getVerbosityLevel; } }); Object.defineProperty(exports, "setVerbosityLevel", { enumerable: true, get: function get() { return _util.setVerbosityLevel; } }); Object.defineProperty(exports, "Jbig2mage", { enumerable: true, get: function get() { return _jbig.Jbig2mage; } }); Object.defineProperty(exports, "JpegImage", { enumerable: true, get: function get() { return _jpg.JpegImage; } }); Object.defineProperty(exports, "JpxImage", { enumerable: true, get: function get() { return _jpx.JpxImage; } }); var _util = __w_pdfjs_require__(1); var _jbig = __w_pdfjs_require__(132); var _jpg = __w_pdfjs_require__(135); var _jpx = __w_pdfjs_require__(136); var pdfjsVersion = '2.1.266'; var pdfjsBuild = '81f5835c'; /***/ }), /* 1 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.toRomanNumerals = toRomanNumerals; exports.arrayByteLength = arrayByteLength; exports.arraysToBytes = arraysToBytes; exports.assert = assert; exports.bytesToString = bytesToString; exports.createPromiseCapability = createPromiseCapability; exports.deprecated = deprecated; exports.getInheritableProperty = getInheritableProperty; exports.getLookupTableFactory = getLookupTableFactory; exports.getVerbosityLevel = getVerbosityLevel; exports.info = info; exports.isArrayBuffer = isArrayBuffer; exports.isBool = isBool; exports.isEmptyObj = isEmptyObj; exports.isNum = isNum; exports.isString = isString; exports.isSpace = isSpace; exports.isSameOrigin = isSameOrigin; exports.createValidAbsoluteUrl = createValidAbsoluteUrl; exports.isLittleEndian = isLittleEndian; exports.isEvalSupported = isEvalSupported; 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; exports.unreachable = unreachable; Object.defineProperty(exports, "ReadableStream", { enumerable: true, get: function get() { return _streams_polyfill.ReadableStream; } }); Object.defineProperty(exports, "URL", { enumerable: true, get: function get() { return _url_polyfill.URL; } }); exports.createObjectURL = exports.FormatError = exports.XRefParseException = exports.XRefEntryException = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.MissingDataException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = void 0; __w_pdfjs_require__(2); var _streams_polyfill = __w_pdfjs_require__(130); var _url_polyfill = __w_pdfjs_require__(131); function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; exports.IDENTITY_MATRIX = IDENTITY_MATRIX; var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; var NativeImageDecoding = { NONE: 'none', DECODE: 'decode', DISPLAY: 'display' }; exports.NativeImageDecoding = NativeImageDecoding; var PermissionFlag = { PRINT: 0x04, MODIFY_CONTENTS: 0x08, COPY: 0x10, MODIFY_ANNOTATIONS: 0x20, FILL_INTERACTIVE_FORMS: 0x100, COPY_FOR_ACCESSIBILITY: 0x200, ASSEMBLE: 0x400, PRINT_HIGH_QUALITY: 0x800 }; exports.PermissionFlag = PermissionFlag; 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 }; exports.TextRenderingMode = TextRenderingMode; var ImageKind = { GRAYSCALE_1BPP: 1, RGB_24BPP: 2, RGBA_32BPP: 3 }; exports.ImageKind = ImageKind; 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 }; exports.AnnotationType = AnnotationType; var AnnotationFlag = { INVISIBLE: 0x01, HIDDEN: 0x02, PRINT: 0x04, NOZOOM: 0x08, NOROTATE: 0x10, NOVIEW: 0x20, READONLY: 0x40, LOCKED: 0x80, TOGGLENOVIEW: 0x100, LOCKEDCONTENTS: 0x200 }; exports.AnnotationFlag = AnnotationFlag; 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 }; exports.AnnotationFieldFlag = AnnotationFieldFlag; var AnnotationBorderStyleType = { SOLID: 1, DASHED: 2, BEVELED: 3, INSET: 4, UNDERLINE: 5 }; exports.AnnotationBorderStyleType = AnnotationBorderStyleType; var StreamType = { UNKNOWN: 0, FLATE: 1, LZW: 2, DCT: 3, JPX: 4, JBIG: 5, A85: 6, AHX: 7, CCF: 8, RL: 9 }; exports.StreamType = StreamType; var FontType = { UNKNOWN: 0, TYPE1: 1, TYPE1C: 2, CIDFONTTYPE0: 3, CIDFONTTYPE0C: 4, TRUETYPE: 5, CIDFONTTYPE2: 6, TYPE3: 7, OPENTYPE: 8, TYPE0: 9, MMTYPE1: 10 }; exports.FontType = FontType; var VerbosityLevel = { ERRORS: 0, WARNINGS: 1, INFOS: 5 }; exports.VerbosityLevel = VerbosityLevel; var CMapCompressionType = { NONE: 0, BINARY: 1, STREAM: 2 }; exports.CMapCompressionType = CMapCompressionType; var OPS = { 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 }; exports.OPS = OPS; var UNSUPPORTED_FEATURES = { unknown: 'unknown', forms: 'forms', javaScript: 'javaScript', smask: 'smask', shadingPattern: 'shadingPattern', font: 'font' }; exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; var PasswordResponses = { NEED_PASSWORD: 1, INCORRECT_PASSWORD: 2 }; exports.PasswordResponses = PasswordResponses; var verbosity = VerbosityLevel.WARNINGS; function setVerbosityLevel(level) { if (Number.isInteger(level)) { verbosity = level; } } function getVerbosityLevel() { return verbosity; } function info(msg) { if (verbosity >= VerbosityLevel.INFOS) { console.log('Info: ' + msg); } } function warn(msg) { if (verbosity >= VerbosityLevel.WARNINGS) { console.log('Warning: ' + msg); } } function deprecated(details) { console.log('Deprecated API usage: ' + details); } function unreachable(msg) { throw new Error(msg); } function assert(cond, msg) { if (!cond) { unreachable(msg); } } function isSameOrigin(baseUrl, otherUrl) { try { var base = new _url_polyfill.URL(baseUrl); if (!base.origin || base.origin === 'null') { return false; } } catch (e) { return false; } var other = new _url_polyfill.URL(otherUrl, base); return base.origin === other.origin; } function _isValidProtocol(url) { if (!url) { return false; } switch (url.protocol) { case 'http:': case 'https:': case 'ftp:': case 'mailto:': case 'tel:': return true; default: return false; } } function createValidAbsoluteUrl(url, baseUrl) { if (!url) { return null; } try { var absoluteUrl = baseUrl ? new _url_polyfill.URL(url, baseUrl) : new _url_polyfill.URL(url); if (_isValidProtocol(absoluteUrl)) { return absoluteUrl; } } catch (ex) {} return null; } 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 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; }(); exports.PasswordException = 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; }(); exports.UnknownErrorException = UnknownErrorException; var InvalidPDFException = function InvalidPDFExceptionClosure() { function InvalidPDFException(msg) { this.name = 'InvalidPDFException'; this.message = msg; } InvalidPDFException.prototype = new Error(); InvalidPDFException.constructor = InvalidPDFException; return InvalidPDFException; }(); exports.InvalidPDFException = InvalidPDFException; var MissingPDFException = function MissingPDFExceptionClosure() { function MissingPDFException(msg) { this.name = 'MissingPDFException'; this.message = msg; } MissingPDFException.prototype = new Error(); MissingPDFException.constructor = MissingPDFException; return MissingPDFException; }(); exports.MissingPDFException = 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; }(); exports.UnexpectedResponseException = UnexpectedResponseException; 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; }(); exports.MissingDataException = MissingDataException; var XRefEntryException = function XRefEntryExceptionClosure() { function XRefEntryException(msg) { this.message = msg; } XRefEntryException.prototype = new Error(); XRefEntryException.prototype.name = 'XRefEntryException'; XRefEntryException.constructor = XRefEntryException; return XRefEntryException; }(); exports.XRefEntryException = XRefEntryException; var XRefParseException = function XRefParseExceptionClosure() { function XRefParseException(msg) { this.message = msg; } XRefParseException.prototype = new Error(); XRefParseException.prototype.name = 'XRefParseException'; XRefParseException.constructor = XRefParseException; return XRefParseException; }(); exports.XRefParseException = XRefParseException; var FormatError = function FormatErrorClosure() { function FormatError(msg) { this.message = msg; } FormatError.prototype = new Error(); FormatError.prototype.name = 'FormatError'; FormatError.constructor = FormatError; return FormatError; }(); exports.FormatError = FormatError; var AbortException = function AbortExceptionClosure() { function AbortException(msg) { this.name = 'AbortException'; this.message = msg; } AbortException.prototype = new Error(); AbortException.constructor = AbortException; return AbortException; }(); exports.AbortException = AbortException; 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; } function arrayByteLength(arr) { if (arr.length !== undefined) { return arr.length; } assert(arr.byteLength !== undefined); return arr.byteLength; } function arraysToBytes(arr) { 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) { if (x <= 0) { return 0; } return Math.ceil(Math.log2(x)); } 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; } function isLittleEndian() { var buffer8 = new Uint8Array(4); buffer8[0] = 1; var view32 = new Uint32Array(buffer8.buffer, 0, 1); return view32[0] === 1; } function isEvalSupported() { try { new Function(''); return true; } catch (e) { return false; } } function getInheritableProperty(_ref) { var dict = _ref.dict, key = _ref.key, _ref$getArray = _ref.getArray, getArray = _ref$getArray === void 0 ? false : _ref$getArray, _ref$stopWhenFound = _ref.stopWhenFound, stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound; var LOOP_LIMIT = 100; var loopCount = 0; var values; while (dict) { var value = getArray ? dict.getArray(key) : dict.get(key); if (value !== undefined) { if (stopWhenFound) { return value; } if (!values) { values = []; } values.push(value); } if (++loopCount > LOOP_LIMIT) { warn("getInheritableProperty: maximum loop count exceeded for \"".concat(key, "\"")); break; } dict = dict.get('Parent'); } return values; } var Util = function UtilClosure() { function Util() {} var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')']; Util.makeCssRgb = function Util_makeCssRgb(r, g, b) { rgbBuf[1] = r; rgbBuf[3] = g; rgbBuf[5] = b; return rgbBuf.join(''); }; 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]]; }; 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]; }; 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]; }; 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]]; }; Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) { var transpose = [m[0], m[2], m[1], m[3]]; 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]; 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; return [Math.sqrt(sx), Math.sqrt(sy)]; }; Util.normalizeRect = function Util_normalizeRect(rect) { var r = rect.slice(0); 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; }; Util.intersect = function Util_intersect(rect1, rect2) { function compare(a, b) { return a - b; } 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); if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) { result[0] = orderedX[1]; result[2] = orderedX[2]; } else { return false; } if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) { result[1] = orderedY[1]; result[3] = orderedY[2]; } else { return false; } return result; }; return Util; }(); exports.Util = Util; 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']; function toRomanNumerals(number) { var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; assert(Number.isInteger(number) && number > 0, 'The number should be a positive integer.'); var pos, romanBuf = []; while (number >= 1000) { number -= 1000; romanBuf.push('M'); } pos = number / 100 | 0; number %= 100; romanBuf.push(ROMAN_NUMBER_MAP[pos]); pos = number / 10 | 0; number %= 10; romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]); romanBuf.push(ROMAN_NUMBER_MAP[20 + number]); var romanStr = romanBuf.join(''); return lowerCase ? romanStr.toLowerCase() : romanStr; } 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') { 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 isNum(v) { return typeof v === 'number'; } function isString(v) { return typeof v === 'string'; } function isArrayBuffer(v) { return _typeof(v) === 'object' && v !== null && v.byteLength !== undefined; } function isSpace(ch) { return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A; } function createPromiseCapability() { var capability = Object.create(null); var isSettled = false; Object.defineProperty(capability, 'settled', { get: function get() { return isSettled; } }); capability.promise = new Promise(function (resolve, reject) { capability.resolve = function (data) { isSettled = true; resolve(data); }; capability.reject = function (reason) { isSettled = true; reject(reason); }; }); return capability; } var createObjectURL = function createObjectURLClosure() { var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='; return function createObjectURL(data, contentType) { var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; if (!forceDataSchema && _url_polyfill.URL.createObjectURL) { var blob = new Blob([data], { type: contentType }); return _url_polyfill.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; }; }(); exports.createObjectURL = createObjectURL; /***/ }), /* 2 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var globalScope = __w_pdfjs_require__(3); if (!globalScope._pdfjsCompatibilityChecked) { globalScope._pdfjsCompatibilityChecked = true; var isNodeJS = __w_pdfjs_require__(4); var hasDOM = (typeof window === "undefined" ? "undefined" : _typeof(window)) === 'object' && (typeof document === "undefined" ? "undefined" : _typeof(document)) === 'object'; (function checkNodeBtoa() { if (globalScope.btoa || !isNodeJS()) { return; } globalScope.btoa = function (chars) { return Buffer.from(chars, 'binary').toString('base64'); }; })(); (function checkNodeAtob() { if (globalScope.atob || !isNodeJS()) { return; } globalScope.atob = function (input) { return Buffer.from(input, 'base64').toString('binary'); }; })(); (function checkChildNodeRemove() { if (!hasDOM) { return; } if (typeof Element.prototype.remove !== 'undefined') { return; } Element.prototype.remove = function () { if (this.parentNode) { this.parentNode.removeChild(this); } }; })(); (function checkDOMTokenListAddRemove() { if (!hasDOM || isNodeJS()) { return; } var div = document.createElement('div'); div.classList.add('testOne', 'testTwo'); if (div.classList.contains('testOne') === true && div.classList.contains('testTwo') === true) { return; } var OriginalDOMTokenListAdd = DOMTokenList.prototype.add; var OriginalDOMTokenListRemove = DOMTokenList.prototype.remove; DOMTokenList.prototype.add = function () { for (var _len = arguments.length, tokens = new Array(_len), _key = 0; _key < _len; _key++) { tokens[_key] = arguments[_key]; } for (var _i = 0; _i < tokens.length; _i++) { var token = tokens[_i]; OriginalDOMTokenListAdd.call(this, token); } }; DOMTokenList.prototype.remove = function () { for (var _len2 = arguments.length, tokens = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { tokens[_key2] = arguments[_key2]; } for (var _i2 = 0; _i2 < tokens.length; _i2++) { var token = tokens[_i2]; OriginalDOMTokenListRemove.call(this, token); } }; })(); (function checkDOMTokenListToggle() { if (!hasDOM || isNodeJS()) { return; } var div = document.createElement('div'); if (div.classList.toggle('test', 0) === false) { return; } DOMTokenList.prototype.toggle = function (token) { var force = arguments.length > 1 ? !!arguments[1] : !this.contains(token); return this[force ? 'add' : 'remove'](token), force; }; })(); (function checkStringStartsWith() { if (String.prototype.startsWith) { return; } __w_pdfjs_require__(5); })(); (function checkStringEndsWith() { if (String.prototype.endsWith) { return; } __w_pdfjs_require__(35); })(); (function checkStringIncludes() { if (String.prototype.includes) { return; } __w_pdfjs_require__(37); })(); (function checkArrayIncludes() { if (Array.prototype.includes) { return; } __w_pdfjs_require__(39); })(); (function checkArrayFrom() { if (Array.from) { return; } __w_pdfjs_require__(46); })(); (function checkObjectAssign() { if (Object.assign) { return; } __w_pdfjs_require__(69); })(); (function checkMathLog2() { if (Math.log2) { return; } Math.log2 = __w_pdfjs_require__(74); })(); (function checkNumberIsNaN() { if (Number.isNaN) { return; } Number.isNaN = __w_pdfjs_require__(76); })(); (function checkNumberIsInteger() { if (Number.isInteger) { return; } Number.isInteger = __w_pdfjs_require__(78); })(); (function checkPromise() {})(); (function checkWeakMap() { if (globalScope.WeakMap) { return; } globalScope.WeakMap = __w_pdfjs_require__(81); })(); (function checkWeakSet() { if (globalScope.WeakSet) { return; } globalScope.WeakSet = __w_pdfjs_require__(105); })(); (function checkStringCodePointAt() { if (String.codePointAt) { return; } String.codePointAt = __w_pdfjs_require__(109); })(); (function checkStringFromCodePoint() { if (String.fromCodePoint) { return; } String.fromCodePoint = __w_pdfjs_require__(111); })(); (function checkSymbol() { if (globalScope.Symbol) { return; } __w_pdfjs_require__(113); })(); (function checkStringPadStart() { if (String.prototype.padStart) { return; } __w_pdfjs_require__(120); })(); (function checkStringPadEnd() { if (String.prototype.padEnd) { return; } __w_pdfjs_require__(125); })(); (function checkObjectValues() { if (Object.values) { return; } Object.values = __w_pdfjs_require__(127); })(); } /***/ }), /* 3 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : {}; /***/ }), /* 4 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } module.exports = function isNodeJS() { return (typeof process === "undefined" ? "undefined" : _typeof(process)) === 'object' && process + '' === '[object process]' && !process.versions['nw']; }; /***/ }), /* 5 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(6); module.exports = __w_pdfjs_require__(9).String.startsWith; /***/ }), /* 6 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var toLength = __w_pdfjs_require__(25); var context = __w_pdfjs_require__(27); var STARTS_WITH = 'startsWith'; var $startsWith = ''[STARTS_WITH]; $export($export.P + $export.F * __w_pdfjs_require__(34)(STARTS_WITH), 'String', { startsWith: function startsWith(searchString) { var that = context(this, searchString, STARTS_WITH); var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length)); var search = String(searchString); return $startsWith ? $startsWith.call(that, search, index) : that.slice(index, index + search.length) === search; } }); /***/ }), /* 7 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = __w_pdfjs_require__(8); var core = __w_pdfjs_require__(9); var hide = __w_pdfjs_require__(10); var redefine = __w_pdfjs_require__(20); var ctx = __w_pdfjs_require__(23); var PROTOTYPE = 'prototype'; var $export = function $export(type, name, source) { var IS_FORCED = type & $export.F; var IS_GLOBAL = type & $export.G; var IS_STATIC = type & $export.S; var IS_PROTO = type & $export.P; var IS_BIND = type & $export.B; var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE]; var exports = IS_GLOBAL ? core : core[name] || (core[name] = {}); var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {}); var key, own, out, exp; if (IS_GLOBAL) source = name; for (key in source) { own = !IS_FORCED && target && target[key] !== undefined; out = (own ? target : source)[key]; exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out; if (target) redefine(target, key, out, type & $export.U); if (exports[key] != out) hide(exports, key, exp); if (IS_PROTO && expProto[key] != out) expProto[key] = out; } }; global.core = core; $export.F = 1; $export.G = 2; $export.S = 4; $export.P = 8; $export.B = 16; $export.W = 32; $export.U = 64; $export.R = 128; module.exports = $export; /***/ }), /* 8 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')(); if (typeof __g == 'number') __g = global; /***/ }), /* 9 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var core = module.exports = { version: '2.6.2' }; if (typeof __e == 'number') __e = core; /***/ }), /* 10 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var dP = __w_pdfjs_require__(11); var createDesc = __w_pdfjs_require__(19); module.exports = __w_pdfjs_require__(15) ? function (object, key, value) { return dP.f(object, key, createDesc(1, value)); } : function (object, key, value) { object[key] = value; return object; }; /***/ }), /* 11 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var anObject = __w_pdfjs_require__(12); var IE8_DOM_DEFINE = __w_pdfjs_require__(14); var toPrimitive = __w_pdfjs_require__(18); var dP = Object.defineProperty; exports.f = __w_pdfjs_require__(15) ? Object.defineProperty : function defineProperty(O, P, Attributes) { anObject(O); P = toPrimitive(P, true); anObject(Attributes); if (IE8_DOM_DEFINE) try { return dP(O, P, Attributes); } catch (e) {} if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!'); if ('value' in Attributes) O[P] = Attributes.value; return O; }; /***/ }), /* 12 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); module.exports = function (it) { if (!isObject(it)) throw TypeError(it + ' is not an object!'); return it; }; /***/ }), /* 13 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } module.exports = function (it) { return _typeof(it) === 'object' ? it !== null : typeof it === 'function'; }; /***/ }), /* 14 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = !__w_pdfjs_require__(15) && !__w_pdfjs_require__(16)(function () { return Object.defineProperty(__w_pdfjs_require__(17)('div'), 'a', { get: function get() { return 7; } }).a != 7; }); /***/ }), /* 15 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = !__w_pdfjs_require__(16)(function () { return Object.defineProperty({}, 'a', { get: function get() { return 7; } }).a != 7; }); /***/ }), /* 16 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (exec) { try { return !!exec(); } catch (e) { return true; } }; /***/ }), /* 17 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var document = __w_pdfjs_require__(8).document; var is = isObject(document) && isObject(document.createElement); module.exports = function (it) { return is ? document.createElement(it) : {}; }; /***/ }), /* 18 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); module.exports = function (it, S) { if (!isObject(it)) return it; var fn, val; if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val; if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val; throw TypeError("Can't convert object to primitive value"); }; /***/ }), /* 19 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (bitmap, value) { return { enumerable: !(bitmap & 1), configurable: !(bitmap & 2), writable: !(bitmap & 4), value: value }; }; /***/ }), /* 20 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = __w_pdfjs_require__(8); var hide = __w_pdfjs_require__(10); var has = __w_pdfjs_require__(21); var SRC = __w_pdfjs_require__(22)('src'); var TO_STRING = 'toString'; var $toString = Function[TO_STRING]; var TPL = ('' + $toString).split(TO_STRING); __w_pdfjs_require__(9).inspectSource = function (it) { return $toString.call(it); }; (module.exports = function (O, key, val, safe) { var isFunction = typeof val == 'function'; if (isFunction) has(val, 'name') || hide(val, 'name', key); if (O[key] === val) return; if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key))); if (O === global) { O[key] = val; } else if (!safe) { delete O[key]; hide(O, key, val); } else if (O[key]) { O[key] = val; } else { hide(O, key, val); } })(Function.prototype, TO_STRING, function toString() { return typeof this == 'function' && this[SRC] || $toString.call(this); }); /***/ }), /* 21 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var hasOwnProperty = {}.hasOwnProperty; module.exports = function (it, key) { return hasOwnProperty.call(it, key); }; /***/ }), /* 22 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var id = 0; var px = Math.random(); module.exports = function (key) { return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36)); }; /***/ }), /* 23 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var aFunction = __w_pdfjs_require__(24); module.exports = function (fn, that, length) { aFunction(fn); if (that === undefined) return fn; switch (length) { case 1: return function (a) { return fn.call(that, a); }; case 2: return function (a, b) { return fn.call(that, a, b); }; case 3: return function (a, b, c) { return fn.call(that, a, b, c); }; } return function () { return fn.apply(that, arguments); }; }; /***/ }), /* 24 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (it) { if (typeof it != 'function') throw TypeError(it + ' is not a function!'); return it; }; /***/ }), /* 25 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toInteger = __w_pdfjs_require__(26); var min = Math.min; module.exports = function (it) { return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; }; /***/ }), /* 26 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var ceil = Math.ceil; var floor = Math.floor; module.exports = function (it) { return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it); }; /***/ }), /* 27 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isRegExp = __w_pdfjs_require__(28); var defined = __w_pdfjs_require__(33); module.exports = function (that, searchString, NAME) { if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!"); return String(defined(that)); }; /***/ }), /* 28 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var cof = __w_pdfjs_require__(29); var MATCH = __w_pdfjs_require__(30)('match'); module.exports = function (it) { var isRegExp; return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp'); }; /***/ }), /* 29 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toString = {}.toString; module.exports = function (it) { return toString.call(it).slice(8, -1); }; /***/ }), /* 30 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var store = __w_pdfjs_require__(31)('wks'); var uid = __w_pdfjs_require__(22); var _Symbol = __w_pdfjs_require__(8).Symbol; var USE_SYMBOL = typeof _Symbol == 'function'; var $exports = module.exports = function (name) { return store[name] || (store[name] = USE_SYMBOL && _Symbol[name] || (USE_SYMBOL ? _Symbol : uid)('Symbol.' + name)); }; $exports.store = store; /***/ }), /* 31 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var core = __w_pdfjs_require__(9); var global = __w_pdfjs_require__(8); var SHARED = '__core-js_shared__'; var store = global[SHARED] || (global[SHARED] = {}); (module.exports = function (key, value) { return store[key] || (store[key] = value !== undefined ? value : {}); })('versions', []).push({ version: core.version, mode: __w_pdfjs_require__(32) ? 'pure' : 'global', copyright: '© 2019 Denis Pushkarev (zloirock.ru)' }); /***/ }), /* 32 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = false; /***/ }), /* 33 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (it) { if (it == undefined) throw TypeError("Can't call method on " + it); return it; }; /***/ }), /* 34 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var MATCH = __w_pdfjs_require__(30)('match'); module.exports = function (KEY) { var re = /./; try { '/./'[KEY](re); } catch (e) { try { re[MATCH] = false; return !'/./'[KEY](re); } catch (f) {} } return true; }; /***/ }), /* 35 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(36); module.exports = __w_pdfjs_require__(9).String.endsWith; /***/ }), /* 36 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var toLength = __w_pdfjs_require__(25); var context = __w_pdfjs_require__(27); var ENDS_WITH = 'endsWith'; var $endsWith = ''[ENDS_WITH]; $export($export.P + $export.F * __w_pdfjs_require__(34)(ENDS_WITH), 'String', { endsWith: function endsWith(searchString) { var that = context(this, searchString, ENDS_WITH); var endPosition = arguments.length > 1 ? arguments[1] : undefined; var len = toLength(that.length); var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len); var search = String(searchString); return $endsWith ? $endsWith.call(that, search, end) : that.slice(end - search.length, end) === search; } }); /***/ }), /* 37 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(38); module.exports = __w_pdfjs_require__(9).String.includes; /***/ }), /* 38 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var context = __w_pdfjs_require__(27); var INCLUDES = 'includes'; $export($export.P + $export.F * __w_pdfjs_require__(34)(INCLUDES), 'String', { includes: function includes(searchString) { return !!~context(this, searchString, INCLUDES).indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined); } }); /***/ }), /* 39 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(40); module.exports = __w_pdfjs_require__(9).Array.includes; /***/ }), /* 40 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var $includes = __w_pdfjs_require__(41)(true); $export($export.P, 'Array', { includes: function includes(el) { return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined); } }); __w_pdfjs_require__(45)('includes'); /***/ }), /* 41 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toIObject = __w_pdfjs_require__(42); var toLength = __w_pdfjs_require__(25); var toAbsoluteIndex = __w_pdfjs_require__(44); module.exports = function (IS_INCLUDES) { return function ($this, el, fromIndex) { var O = toIObject($this); var length = toLength(O.length); var index = toAbsoluteIndex(fromIndex, length); var value; if (IS_INCLUDES && el != el) while (length > index) { value = O[index++]; if (value != value) return true; } else for (; length > index; index++) { if (IS_INCLUDES || index in O) { if (O[index] === el) return IS_INCLUDES || index || 0; } } return !IS_INCLUDES && -1; }; }; /***/ }), /* 42 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var IObject = __w_pdfjs_require__(43); var defined = __w_pdfjs_require__(33); module.exports = function (it) { return IObject(defined(it)); }; /***/ }), /* 43 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var cof = __w_pdfjs_require__(29); module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) { return cof(it) == 'String' ? it.split('') : Object(it); }; /***/ }), /* 44 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toInteger = __w_pdfjs_require__(26); var max = Math.max; var min = Math.min; module.exports = function (index, length) { index = toInteger(index); return index < 0 ? max(index + length, 0) : min(index, length); }; /***/ }), /* 45 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var UNSCOPABLES = __w_pdfjs_require__(30)('unscopables'); var ArrayProto = Array.prototype; if (ArrayProto[UNSCOPABLES] == undefined) __w_pdfjs_require__(10)(ArrayProto, UNSCOPABLES, {}); module.exports = function (key) { ArrayProto[UNSCOPABLES][key] = true; }; /***/ }), /* 46 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(47); __w_pdfjs_require__(62); module.exports = __w_pdfjs_require__(9).Array.from; /***/ }), /* 47 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $at = __w_pdfjs_require__(48)(true); __w_pdfjs_require__(49)(String, 'String', function (iterated) { this._t = String(iterated); this._i = 0; }, function () { var O = this._t; var index = this._i; var point; if (index >= O.length) return { value: undefined, done: true }; point = $at(O, index); this._i += point.length; return { value: point, done: false }; }); /***/ }), /* 48 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toInteger = __w_pdfjs_require__(26); var defined = __w_pdfjs_require__(33); module.exports = function (TO_STRING) { return function (that, pos) { var s = String(defined(that)); var i = toInteger(pos); var l = s.length; var a, b; if (i < 0 || i >= l) return TO_STRING ? '' : undefined; a = s.charCodeAt(i); return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff ? TO_STRING ? s.charAt(i) : a : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000; }; }; /***/ }), /* 49 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var LIBRARY = __w_pdfjs_require__(32); var $export = __w_pdfjs_require__(7); var redefine = __w_pdfjs_require__(20); var hide = __w_pdfjs_require__(10); var Iterators = __w_pdfjs_require__(50); var $iterCreate = __w_pdfjs_require__(51); var setToStringTag = __w_pdfjs_require__(59); var getPrototypeOf = __w_pdfjs_require__(60); var ITERATOR = __w_pdfjs_require__(30)('iterator'); var BUGGY = !([].keys && 'next' in [].keys()); var FF_ITERATOR = '@@iterator'; var KEYS = 'keys'; var VALUES = 'values'; var returnThis = function returnThis() { return this; }; module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) { $iterCreate(Constructor, NAME, next); var getMethod = function getMethod(kind) { if (!BUGGY && kind in proto) return proto[kind]; switch (kind) { case KEYS: return function keys() { return new Constructor(this, kind); }; case VALUES: return function values() { return new Constructor(this, kind); }; } return function entries() { return new Constructor(this, kind); }; }; var TAG = NAME + ' Iterator'; var DEF_VALUES = DEFAULT == VALUES; var VALUES_BUG = false; var proto = Base.prototype; var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]; var $default = $native || getMethod(DEFAULT); var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined; var $anyNative = NAME == 'Array' ? proto.entries || $native : $native; var methods, key, IteratorPrototype; if ($anyNative) { IteratorPrototype = getPrototypeOf($anyNative.call(new Base())); if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) { setToStringTag(IteratorPrototype, TAG, true); if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis); } } if (DEF_VALUES && $native && $native.name !== VALUES) { VALUES_BUG = true; $default = function values() { return $native.call(this); }; } if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) { hide(proto, ITERATOR, $default); } Iterators[NAME] = $default; Iterators[TAG] = returnThis; if (DEFAULT) { methods = { values: DEF_VALUES ? $default : getMethod(VALUES), keys: IS_SET ? $default : getMethod(KEYS), entries: $entries }; if (FORCED) for (key in methods) { if (!(key in proto)) redefine(proto, key, methods[key]); } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods); } return methods; }; /***/ }), /* 50 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = {}; /***/ }), /* 51 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var create = __w_pdfjs_require__(52); var descriptor = __w_pdfjs_require__(19); var setToStringTag = __w_pdfjs_require__(59); var IteratorPrototype = {}; __w_pdfjs_require__(10)(IteratorPrototype, __w_pdfjs_require__(30)('iterator'), function () { return this; }); module.exports = function (Constructor, NAME, next) { Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) }); setToStringTag(Constructor, NAME + ' Iterator'); }; /***/ }), /* 52 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var anObject = __w_pdfjs_require__(12); var dPs = __w_pdfjs_require__(53); var enumBugKeys = __w_pdfjs_require__(57); var IE_PROTO = __w_pdfjs_require__(56)('IE_PROTO'); var Empty = function Empty() {}; var PROTOTYPE = 'prototype'; var _createDict = function createDict() { var iframe = __w_pdfjs_require__(17)('iframe'); var i = enumBugKeys.length; var lt = '<'; var gt = '>'; var iframeDocument; iframe.style.display = 'none'; __w_pdfjs_require__(58).appendChild(iframe); iframe.src = 'javascript:'; iframeDocument = iframe.contentWindow.document; iframeDocument.open(); iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt); iframeDocument.close(); _createDict = iframeDocument.F; while (i--) { delete _createDict[PROTOTYPE][enumBugKeys[i]]; } return _createDict(); }; module.exports = Object.create || function create(O, Properties) { var result; if (O !== null) { Empty[PROTOTYPE] = anObject(O); result = new Empty(); Empty[PROTOTYPE] = null; result[IE_PROTO] = O; } else result = _createDict(); return Properties === undefined ? result : dPs(result, Properties); }; /***/ }), /* 53 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var dP = __w_pdfjs_require__(11); var anObject = __w_pdfjs_require__(12); var getKeys = __w_pdfjs_require__(54); module.exports = __w_pdfjs_require__(15) ? Object.defineProperties : function defineProperties(O, Properties) { anObject(O); var keys = getKeys(Properties); var length = keys.length; var i = 0; var P; while (length > i) { dP.f(O, P = keys[i++], Properties[P]); } return O; }; /***/ }), /* 54 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $keys = __w_pdfjs_require__(55); var enumBugKeys = __w_pdfjs_require__(57); module.exports = Object.keys || function keys(O) { return $keys(O, enumBugKeys); }; /***/ }), /* 55 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var has = __w_pdfjs_require__(21); var toIObject = __w_pdfjs_require__(42); var arrayIndexOf = __w_pdfjs_require__(41)(false); var IE_PROTO = __w_pdfjs_require__(56)('IE_PROTO'); module.exports = function (object, names) { var O = toIObject(object); var i = 0; var result = []; var key; for (key in O) { if (key != IE_PROTO) has(O, key) && result.push(key); } while (names.length > i) { if (has(O, key = names[i++])) { ~arrayIndexOf(result, key) || result.push(key); } } return result; }; /***/ }), /* 56 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var shared = __w_pdfjs_require__(31)('keys'); var uid = __w_pdfjs_require__(22); module.exports = function (key) { return shared[key] || (shared[key] = uid(key)); }; /***/ }), /* 57 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'.split(','); /***/ }), /* 58 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var document = __w_pdfjs_require__(8).document; module.exports = document && document.documentElement; /***/ }), /* 59 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var def = __w_pdfjs_require__(11).f; var has = __w_pdfjs_require__(21); var TAG = __w_pdfjs_require__(30)('toStringTag'); module.exports = function (it, tag, stat) { if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag }); }; /***/ }), /* 60 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var has = __w_pdfjs_require__(21); var toObject = __w_pdfjs_require__(61); var IE_PROTO = __w_pdfjs_require__(56)('IE_PROTO'); var ObjectProto = Object.prototype; module.exports = Object.getPrototypeOf || function (O) { O = toObject(O); if (has(O, IE_PROTO)) return O[IE_PROTO]; if (typeof O.constructor == 'function' && O instanceof O.constructor) { return O.constructor.prototype; } return O instanceof Object ? ObjectProto : null; }; /***/ }), /* 61 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var defined = __w_pdfjs_require__(33); module.exports = function (it) { return Object(defined(it)); }; /***/ }), /* 62 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var ctx = __w_pdfjs_require__(23); var $export = __w_pdfjs_require__(7); var toObject = __w_pdfjs_require__(61); var call = __w_pdfjs_require__(63); var isArrayIter = __w_pdfjs_require__(64); var toLength = __w_pdfjs_require__(25); var createProperty = __w_pdfjs_require__(65); var getIterFn = __w_pdfjs_require__(66); $export($export.S + $export.F * !__w_pdfjs_require__(68)(function (iter) { Array.from(iter); }), 'Array', { from: function from(arrayLike) { var O = toObject(arrayLike); var C = typeof this == 'function' ? this : Array; var aLen = arguments.length; var mapfn = aLen > 1 ? arguments[1] : undefined; var mapping = mapfn !== undefined; var index = 0; var iterFn = getIterFn(O); var length, result, step, iterator; if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2); if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) { for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) { createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value); } } else { length = toLength(O.length); for (result = new C(length); length > index; index++) { createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]); } } result.length = index; return result; } }); /***/ }), /* 63 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var anObject = __w_pdfjs_require__(12); module.exports = function (iterator, fn, value, entries) { try { return entries ? fn(anObject(value)[0], value[1]) : fn(value); } catch (e) { var ret = iterator['return']; if (ret !== undefined) anObject(ret.call(iterator)); throw e; } }; /***/ }), /* 64 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var Iterators = __w_pdfjs_require__(50); var ITERATOR = __w_pdfjs_require__(30)('iterator'); var ArrayProto = Array.prototype; module.exports = function (it) { return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it); }; /***/ }), /* 65 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $defineProperty = __w_pdfjs_require__(11); var createDesc = __w_pdfjs_require__(19); module.exports = function (object, index, value) { if (index in object) $defineProperty.f(object, index, createDesc(0, value));else object[index] = value; }; /***/ }), /* 66 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var classof = __w_pdfjs_require__(67); var ITERATOR = __w_pdfjs_require__(30)('iterator'); var Iterators = __w_pdfjs_require__(50); module.exports = __w_pdfjs_require__(9).getIteratorMethod = function (it) { if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)]; }; /***/ }), /* 67 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var cof = __w_pdfjs_require__(29); var TAG = __w_pdfjs_require__(30)('toStringTag'); var ARG = cof(function () { return arguments; }()) == 'Arguments'; var tryGet = function tryGet(it, key) { try { return it[key]; } catch (e) {} }; module.exports = function (it) { var O, T, B; return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T : ARG ? cof(O) : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B; }; /***/ }), /* 68 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var ITERATOR = __w_pdfjs_require__(30)('iterator'); var SAFE_CLOSING = false; try { var riter = [7][ITERATOR](); riter['return'] = function () { SAFE_CLOSING = true; }; Array.from(riter, function () { throw 2; }); } catch (e) {} module.exports = function (exec, skipClosing) { if (!skipClosing && !SAFE_CLOSING) return false; var safe = false; try { var arr = [7]; var iter = arr[ITERATOR](); iter.next = function () { return { done: safe = true }; }; arr[ITERATOR] = function () { return iter; }; exec(arr); } catch (e) {} return safe; }; /***/ }), /* 69 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(70); module.exports = __w_pdfjs_require__(9).Object.assign; /***/ }), /* 70 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); $export($export.S + $export.F, 'Object', { assign: __w_pdfjs_require__(71) }); /***/ }), /* 71 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var getKeys = __w_pdfjs_require__(54); var gOPS = __w_pdfjs_require__(72); var pIE = __w_pdfjs_require__(73); var toObject = __w_pdfjs_require__(61); var IObject = __w_pdfjs_require__(43); var $assign = Object.assign; module.exports = !$assign || __w_pdfjs_require__(16)(function () { var A = {}; var B = {}; var S = Symbol(); var K = 'abcdefghijklmnopqrst'; A[S] = 7; K.split('').forEach(function (k) { B[k] = k; }); return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K; }) ? function assign(target, source) { var T = toObject(target); var aLen = arguments.length; var index = 1; var getSymbols = gOPS.f; var isEnum = pIE.f; while (aLen > index) { var S = IObject(arguments[index++]); var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S); var length = keys.length; var j = 0; var key; while (length > j) { if (isEnum.call(S, key = keys[j++])) T[key] = S[key]; } } return T; } : $assign; /***/ }), /* 72 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; exports.f = Object.getOwnPropertySymbols; /***/ }), /* 73 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; exports.f = {}.propertyIsEnumerable; /***/ }), /* 74 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(75); module.exports = __w_pdfjs_require__(9).Math.log2; /***/ }), /* 75 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); $export($export.S, 'Math', { log2: function log2(x) { return Math.log(x) / Math.LN2; } }); /***/ }), /* 76 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(77); module.exports = __w_pdfjs_require__(9).Number.isNaN; /***/ }), /* 77 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); $export($export.S, 'Number', { isNaN: function isNaN(number) { return number != number; } }); /***/ }), /* 78 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(79); module.exports = __w_pdfjs_require__(9).Number.isInteger; /***/ }), /* 79 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); $export($export.S, 'Number', { isInteger: __w_pdfjs_require__(80) }); /***/ }), /* 80 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var floor = Math.floor; module.exports = function isInteger(it) { return !isObject(it) && isFinite(it) && floor(it) === it; }; /***/ }), /* 81 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(82); __w_pdfjs_require__(83); __w_pdfjs_require__(86); __w_pdfjs_require__(101); __w_pdfjs_require__(103); module.exports = __w_pdfjs_require__(9).WeakMap; /***/ }), /* 82 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var classof = __w_pdfjs_require__(67); var test = {}; test[__w_pdfjs_require__(30)('toStringTag')] = 'z'; if (test + '' != '[object z]') { __w_pdfjs_require__(20)(Object.prototype, 'toString', function toString() { return '[object ' + classof(this) + ']'; }, true); } /***/ }), /* 83 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $iterators = __w_pdfjs_require__(84); var getKeys = __w_pdfjs_require__(54); var redefine = __w_pdfjs_require__(20); var global = __w_pdfjs_require__(8); var hide = __w_pdfjs_require__(10); var Iterators = __w_pdfjs_require__(50); var wks = __w_pdfjs_require__(30); var ITERATOR = wks('iterator'); var TO_STRING_TAG = wks('toStringTag'); var ArrayValues = Iterators.Array; var DOMIterables = { CSSRuleList: true, CSSStyleDeclaration: false, CSSValueList: false, ClientRectList: false, DOMRectList: false, DOMStringList: false, DOMTokenList: true, DataTransferItemList: false, FileList: false, HTMLAllCollection: false, HTMLCollection: false, HTMLFormElement: false, HTMLSelectElement: false, MediaList: true, MimeTypeArray: false, NamedNodeMap: false, NodeList: true, PaintRequestList: false, Plugin: false, PluginArray: false, SVGLengthList: false, SVGNumberList: false, SVGPathSegList: false, SVGPointList: false, SVGStringList: false, SVGTransformList: false, SourceBufferList: false, StyleSheetList: true, TextTrackCueList: false, TextTrackList: false, TouchList: false }; for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) { var NAME = collections[i]; var explicit = DOMIterables[NAME]; var Collection = global[NAME]; var proto = Collection && Collection.prototype; var key; if (proto) { if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues); if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME); Iterators[NAME] = ArrayValues; if (explicit) for (key in $iterators) { if (!proto[key]) redefine(proto, key, $iterators[key], true); } } } /***/ }), /* 84 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var addToUnscopables = __w_pdfjs_require__(45); var step = __w_pdfjs_require__(85); var Iterators = __w_pdfjs_require__(50); var toIObject = __w_pdfjs_require__(42); module.exports = __w_pdfjs_require__(49)(Array, 'Array', function (iterated, kind) { this._t = toIObject(iterated); this._i = 0; this._k = kind; }, function () { var O = this._t; var kind = this._k; var index = this._i++; if (!O || index >= O.length) { this._t = undefined; return step(1); } if (kind == 'keys') return step(0, index); if (kind == 'values') return step(0, O[index]); return step(0, [index, O[index]]); }, 'values'); Iterators.Arguments = Iterators.Array; addToUnscopables('keys'); addToUnscopables('values'); addToUnscopables('entries'); /***/ }), /* 85 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (done, value) { return { value: value, done: !!done }; }; /***/ }), /* 86 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var each = __w_pdfjs_require__(87)(0); var redefine = __w_pdfjs_require__(20); var meta = __w_pdfjs_require__(91); var assign = __w_pdfjs_require__(71); var weak = __w_pdfjs_require__(92); var isObject = __w_pdfjs_require__(13); var fails = __w_pdfjs_require__(16); var validate = __w_pdfjs_require__(96); var WEAK_MAP = 'WeakMap'; var getWeak = meta.getWeak; var isExtensible = Object.isExtensible; var uncaughtFrozenStore = weak.ufstore; var tmp = {}; var InternalMap; var wrapper = function wrapper(get) { return function WeakMap() { return get(this, arguments.length > 0 ? arguments[0] : undefined); }; }; var methods = { get: function get(key) { if (isObject(key)) { var data = getWeak(key); if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key); return data ? data[this._i] : undefined; } }, set: function set(key, value) { return weak.def(validate(this, WEAK_MAP), key, value); } }; var $WeakMap = module.exports = __w_pdfjs_require__(97)(WEAK_MAP, wrapper, methods, weak, true, true); if (fails(function () { return new $WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7; })) { InternalMap = weak.getConstructor(wrapper, WEAK_MAP); assign(InternalMap.prototype, methods); meta.NEED = true; each(['delete', 'has', 'get', 'set'], function (key) { var proto = $WeakMap.prototype; var method = proto[key]; redefine(proto, key, function (a, b) { if (isObject(a) && !isExtensible(a)) { if (!this._f) this._f = new InternalMap(); var result = this._f[key](a, b); return key == 'set' ? this : result; } return method.call(this, a, b); }); }); } /***/ }), /* 87 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var ctx = __w_pdfjs_require__(23); var IObject = __w_pdfjs_require__(43); var toObject = __w_pdfjs_require__(61); var toLength = __w_pdfjs_require__(25); var asc = __w_pdfjs_require__(88); module.exports = function (TYPE, $create) { var IS_MAP = TYPE == 1; var IS_FILTER = TYPE == 2; var IS_SOME = TYPE == 3; var IS_EVERY = TYPE == 4; var IS_FIND_INDEX = TYPE == 6; var NO_HOLES = TYPE == 5 || IS_FIND_INDEX; var create = $create || asc; return function ($this, callbackfn, that) { var O = toObject($this); var self = IObject(O); var f = ctx(callbackfn, that, 3); var length = toLength(self.length); var index = 0; var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined; var val, res; for (; length > index; index++) { if (NO_HOLES || index in self) { val = self[index]; res = f(val, index, O); if (TYPE) { if (IS_MAP) result[index] = res;else if (res) switch (TYPE) { case 3: return true; case 5: return val; case 6: return index; case 2: result.push(val); } else if (IS_EVERY) return false; } } } return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result; }; }; /***/ }), /* 88 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var speciesConstructor = __w_pdfjs_require__(89); module.exports = function (original, length) { return new (speciesConstructor(original))(length); }; /***/ }), /* 89 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var isArray = __w_pdfjs_require__(90); var SPECIES = __w_pdfjs_require__(30)('species'); module.exports = function (original) { var C; if (isArray(original)) { C = original.constructor; if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined; if (isObject(C)) { C = C[SPECIES]; if (C === null) C = undefined; } } return C === undefined ? Array : C; }; /***/ }), /* 90 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var cof = __w_pdfjs_require__(29); module.exports = Array.isArray || function isArray(arg) { return cof(arg) == 'Array'; }; /***/ }), /* 91 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var META = __w_pdfjs_require__(22)('meta'); var isObject = __w_pdfjs_require__(13); var has = __w_pdfjs_require__(21); var setDesc = __w_pdfjs_require__(11).f; var id = 0; var isExtensible = Object.isExtensible || function () { return true; }; var FREEZE = !__w_pdfjs_require__(16)(function () { return isExtensible(Object.preventExtensions({})); }); var setMeta = function setMeta(it) { setDesc(it, META, { value: { i: 'O' + ++id, w: {} } }); }; var fastKey = function fastKey(it, create) { if (!isObject(it)) return _typeof(it) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it; if (!has(it, META)) { if (!isExtensible(it)) return 'F'; if (!create) return 'E'; setMeta(it); } return it[META].i; }; var getWeak = function getWeak(it, create) { if (!has(it, META)) { if (!isExtensible(it)) return true; if (!create) return false; setMeta(it); } return it[META].w; }; var onFreeze = function onFreeze(it) { if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it); return it; }; var meta = module.exports = { KEY: META, NEED: false, fastKey: fastKey, getWeak: getWeak, onFreeze: onFreeze }; /***/ }), /* 92 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var redefineAll = __w_pdfjs_require__(93); var getWeak = __w_pdfjs_require__(91).getWeak; var anObject = __w_pdfjs_require__(12); var isObject = __w_pdfjs_require__(13); var anInstance = __w_pdfjs_require__(94); var forOf = __w_pdfjs_require__(95); var createArrayMethod = __w_pdfjs_require__(87); var $has = __w_pdfjs_require__(21); var validate = __w_pdfjs_require__(96); var arrayFind = createArrayMethod(5); var arrayFindIndex = createArrayMethod(6); var id = 0; var uncaughtFrozenStore = function uncaughtFrozenStore(that) { return that._l || (that._l = new UncaughtFrozenStore()); }; var UncaughtFrozenStore = function UncaughtFrozenStore() { this.a = []; }; var findUncaughtFrozen = function findUncaughtFrozen(store, key) { return arrayFind(store.a, function (it) { return it[0] === key; }); }; UncaughtFrozenStore.prototype = { get: function get(key) { var entry = findUncaughtFrozen(this, key); if (entry) return entry[1]; }, has: function has(key) { return !!findUncaughtFrozen(this, key); }, set: function set(key, value) { var entry = findUncaughtFrozen(this, key); if (entry) entry[1] = value;else this.a.push([key, value]); }, 'delete': function _delete(key) { var index = arrayFindIndex(this.a, function (it) { return it[0] === key; }); if (~index) this.a.splice(index, 1); return !!~index; } }; module.exports = { getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) { var C = wrapper(function (that, iterable) { anInstance(that, C, NAME, '_i'); that._t = NAME; that._i = id++; that._l = undefined; if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that); }); redefineAll(C.prototype, { 'delete': function _delete(key) { if (!isObject(key)) return false; var data = getWeak(key); if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key); return data && $has(data, this._i) && delete data[this._i]; }, has: function has(key) { if (!isObject(key)) return false; var data = getWeak(key); if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key); return data && $has(data, this._i); } }); return C; }, def: function def(that, key, value) { var data = getWeak(anObject(key), true); if (data === true) uncaughtFrozenStore(that).set(key, value);else data[that._i] = value; return that; }, ufstore: uncaughtFrozenStore }; /***/ }), /* 93 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var redefine = __w_pdfjs_require__(20); module.exports = function (target, src, safe) { for (var key in src) { redefine(target, key, src[key], safe); } return target; }; /***/ }), /* 94 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; module.exports = function (it, Constructor, name, forbiddenField) { if (!(it instanceof Constructor) || forbiddenField !== undefined && forbiddenField in it) { throw TypeError(name + ': incorrect invocation!'); } return it; }; /***/ }), /* 95 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var ctx = __w_pdfjs_require__(23); var call = __w_pdfjs_require__(63); var isArrayIter = __w_pdfjs_require__(64); var anObject = __w_pdfjs_require__(12); var toLength = __w_pdfjs_require__(25); var getIterFn = __w_pdfjs_require__(66); var BREAK = {}; var RETURN = {}; var _exports = module.exports = function (iterable, entries, fn, that, ITERATOR) { var iterFn = ITERATOR ? function () { return iterable; } : getIterFn(iterable); var f = ctx(fn, that, entries ? 2 : 1); var index = 0; var length, step, iterator, result; if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!'); if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) { result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]); if (result === BREAK || result === RETURN) return result; } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) { result = call(iterator, f, step.value, entries); if (result === BREAK || result === RETURN) return result; } }; _exports.BREAK = BREAK; _exports.RETURN = RETURN; /***/ }), /* 96 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); module.exports = function (it, TYPE) { if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!'); return it; }; /***/ }), /* 97 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = __w_pdfjs_require__(8); var $export = __w_pdfjs_require__(7); var redefine = __w_pdfjs_require__(20); var redefineAll = __w_pdfjs_require__(93); var meta = __w_pdfjs_require__(91); var forOf = __w_pdfjs_require__(95); var anInstance = __w_pdfjs_require__(94); var isObject = __w_pdfjs_require__(13); var fails = __w_pdfjs_require__(16); var $iterDetect = __w_pdfjs_require__(68); var setToStringTag = __w_pdfjs_require__(59); var inheritIfRequired = __w_pdfjs_require__(98); module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) { var Base = global[NAME]; var C = Base; var ADDER = IS_MAP ? 'set' : 'add'; var proto = C && C.prototype; var O = {}; var fixMethod = function fixMethod(KEY) { var fn = proto[KEY]; redefine(proto, KEY, KEY == 'delete' ? function (a) { return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a); } : KEY == 'has' ? function has(a) { return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a); } : KEY == 'get' ? function get(a) { return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a); } : KEY == 'add' ? function add(a) { fn.call(this, a === 0 ? 0 : a); return this; } : function set(a, b) { fn.call(this, a === 0 ? 0 : a, b); return this; }); }; if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () { new C().entries().next(); }))) { C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER); redefineAll(C.prototype, methods); meta.NEED = true; } else { var instance = new C(); var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance; var THROWS_ON_PRIMITIVES = fails(function () { instance.has(1); }); var ACCEPT_ITERABLES = $iterDetect(function (iter) { new C(iter); }); var BUGGY_ZERO = !IS_WEAK && fails(function () { var $instance = new C(); var index = 5; while (index--) { $instance[ADDER](index, index); } return !$instance.has(-0); }); if (!ACCEPT_ITERABLES) { C = wrapper(function (target, iterable) { anInstance(target, C, NAME); var that = inheritIfRequired(new Base(), target, C); if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that); return that; }); C.prototype = proto; proto.constructor = C; } if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) { fixMethod('delete'); fixMethod('has'); IS_MAP && fixMethod('get'); } if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER); if (IS_WEAK && proto.clear) delete proto.clear; } setToStringTag(C, NAME); O[NAME] = C; $export($export.G + $export.W + $export.F * (C != Base), O); if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP); return C; }; /***/ }), /* 98 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var setPrototypeOf = __w_pdfjs_require__(99).set; module.exports = function (that, target, C) { var S = target.constructor; var P; if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) { setPrototypeOf(that, P); } return that; }; /***/ }), /* 99 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var isObject = __w_pdfjs_require__(13); var anObject = __w_pdfjs_require__(12); var check = function check(O, proto) { anObject(O); if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!"); }; module.exports = { set: Object.setPrototypeOf || ('__proto__' in {} ? function (test, buggy, set) { try { set = __w_pdfjs_require__(23)(Function.call, __w_pdfjs_require__(100).f(Object.prototype, '__proto__').set, 2); set(test, []); buggy = !(test instanceof Array); } catch (e) { buggy = true; } return function setPrototypeOf(O, proto) { check(O, proto); if (buggy) O.__proto__ = proto;else set(O, proto); return O; }; }({}, false) : undefined), check: check }; /***/ }), /* 100 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var pIE = __w_pdfjs_require__(73); var createDesc = __w_pdfjs_require__(19); var toIObject = __w_pdfjs_require__(42); var toPrimitive = __w_pdfjs_require__(18); var has = __w_pdfjs_require__(21); var IE8_DOM_DEFINE = __w_pdfjs_require__(14); var gOPD = Object.getOwnPropertyDescriptor; exports.f = __w_pdfjs_require__(15) ? gOPD : function getOwnPropertyDescriptor(O, P) { O = toIObject(O); P = toPrimitive(P, true); if (IE8_DOM_DEFINE) try { return gOPD(O, P); } catch (e) {} if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]); }; /***/ }), /* 101 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(102)('WeakMap'); /***/ }), /* 102 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); module.exports = function (COLLECTION) { $export($export.S, COLLECTION, { of: function of() { var length = arguments.length; var A = new Array(length); while (length--) { A[length] = arguments[length]; } return new this(A); } }); }; /***/ }), /* 103 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(104)('WeakMap'); /***/ }), /* 104 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var aFunction = __w_pdfjs_require__(24); var ctx = __w_pdfjs_require__(23); var forOf = __w_pdfjs_require__(95); module.exports = function (COLLECTION) { $export($export.S, COLLECTION, { from: function from(source) { var mapFn = arguments[1]; var mapping, A, n, cb; aFunction(this); mapping = mapFn !== undefined; if (mapping) aFunction(mapFn); if (source == undefined) return new this(); A = []; if (mapping) { n = 0; cb = ctx(mapFn, arguments[2], 2); forOf(source, false, function (nextItem) { A.push(cb(nextItem, n++)); }); } else { forOf(source, false, A.push, A); } return new this(A); } }); }; /***/ }), /* 105 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(82); __w_pdfjs_require__(83); __w_pdfjs_require__(106); __w_pdfjs_require__(107); __w_pdfjs_require__(108); module.exports = __w_pdfjs_require__(9).WeakSet; /***/ }), /* 106 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var weak = __w_pdfjs_require__(92); var validate = __w_pdfjs_require__(96); var WEAK_SET = 'WeakSet'; __w_pdfjs_require__(97)(WEAK_SET, function (get) { return function WeakSet() { return get(this, arguments.length > 0 ? arguments[0] : undefined); }; }, { add: function add(value) { return weak.def(validate(this, WEAK_SET), value, true); } }, weak, false, true); /***/ }), /* 107 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(102)('WeakSet'); /***/ }), /* 108 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(104)('WeakSet'); /***/ }), /* 109 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(110); module.exports = __w_pdfjs_require__(9).String.codePointAt; /***/ }), /* 110 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var $at = __w_pdfjs_require__(48)(false); $export($export.P, 'String', { codePointAt: function codePointAt(pos) { return $at(this, pos); } }); /***/ }), /* 111 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(112); module.exports = __w_pdfjs_require__(9).String.fromCodePoint; /***/ }), /* 112 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var toAbsoluteIndex = __w_pdfjs_require__(44); var fromCharCode = String.fromCharCode; var $fromCodePoint = String.fromCodePoint; $export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', { fromCodePoint: function fromCodePoint(x) { var res = []; var aLen = arguments.length; var i = 0; var code; while (aLen > i) { code = +arguments[i++]; if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point'); res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)); } return res.join(''); } }); /***/ }), /* 113 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(114); __w_pdfjs_require__(82); module.exports = __w_pdfjs_require__(9).Symbol; /***/ }), /* 114 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var global = __w_pdfjs_require__(8); var has = __w_pdfjs_require__(21); var DESCRIPTORS = __w_pdfjs_require__(15); var $export = __w_pdfjs_require__(7); var redefine = __w_pdfjs_require__(20); var META = __w_pdfjs_require__(91).KEY; var $fails = __w_pdfjs_require__(16); var shared = __w_pdfjs_require__(31); var setToStringTag = __w_pdfjs_require__(59); var uid = __w_pdfjs_require__(22); var wks = __w_pdfjs_require__(30); var wksExt = __w_pdfjs_require__(115); var wksDefine = __w_pdfjs_require__(116); var enumKeys = __w_pdfjs_require__(117); var isArray = __w_pdfjs_require__(90); var anObject = __w_pdfjs_require__(12); var isObject = __w_pdfjs_require__(13); var toIObject = __w_pdfjs_require__(42); var toPrimitive = __w_pdfjs_require__(18); var createDesc = __w_pdfjs_require__(19); var _create = __w_pdfjs_require__(52); var gOPNExt = __w_pdfjs_require__(118); var $GOPD = __w_pdfjs_require__(100); var $DP = __w_pdfjs_require__(11); var $keys = __w_pdfjs_require__(54); var gOPD = $GOPD.f; var dP = $DP.f; var gOPN = gOPNExt.f; var $Symbol = global.Symbol; var $JSON = global.JSON; var _stringify = $JSON && $JSON.stringify; var PROTOTYPE = 'prototype'; var HIDDEN = wks('_hidden'); var TO_PRIMITIVE = wks('toPrimitive'); var isEnum = {}.propertyIsEnumerable; var SymbolRegistry = shared('symbol-registry'); var AllSymbols = shared('symbols'); var OPSymbols = shared('op-symbols'); var ObjectProto = Object[PROTOTYPE]; var USE_NATIVE = typeof $Symbol == 'function'; var QObject = global.QObject; var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild; var setSymbolDesc = DESCRIPTORS && $fails(function () { return _create(dP({}, 'a', { get: function get() { return dP(this, 'a', { value: 7 }).a; } })).a != 7; }) ? function (it, key, D) { var protoDesc = gOPD(ObjectProto, key); if (protoDesc) delete ObjectProto[key]; dP(it, key, D); if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc); } : dP; var wrap = function wrap(tag) { var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]); sym._k = tag; return sym; }; var isSymbol = USE_NATIVE && _typeof($Symbol.iterator) == 'symbol' ? function (it) { return _typeof(it) == 'symbol'; } : function (it) { return it instanceof $Symbol; }; var $defineProperty = function defineProperty(it, key, D) { if (it === ObjectProto) $defineProperty(OPSymbols, key, D); anObject(it); key = toPrimitive(key, true); anObject(D); if (has(AllSymbols, key)) { if (!D.enumerable) { if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {})); it[HIDDEN][key] = true; } else { if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false; D = _create(D, { enumerable: createDesc(0, false) }); } return setSymbolDesc(it, key, D); } return dP(it, key, D); }; var $defineProperties = function defineProperties(it, P) { anObject(it); var keys = enumKeys(P = toIObject(P)); var i = 0; var l = keys.length; var key; while (l > i) { $defineProperty(it, key = keys[i++], P[key]); } return it; }; var $create = function create(it, P) { return P === undefined ? _create(it) : $defineProperties(_create(it), P); }; var $propertyIsEnumerable = function propertyIsEnumerable(key) { var E = isEnum.call(this, key = toPrimitive(key, true)); if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false; return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true; }; var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) { it = toIObject(it); key = toPrimitive(key, true); if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return; var D = gOPD(it, key); if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true; return D; }; var $getOwnPropertyNames = function getOwnPropertyNames(it) { var names = gOPN(toIObject(it)); var result = []; var i = 0; var key; while (names.length > i) { if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key); } return result; }; var $getOwnPropertySymbols = function getOwnPropertySymbols(it) { var IS_OP = it === ObjectProto; var names = gOPN(IS_OP ? OPSymbols : toIObject(it)); var result = []; var i = 0; var key; while (names.length > i) { if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]); } return result; }; if (!USE_NATIVE) { $Symbol = function _Symbol() { if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!'); var tag = uid(arguments.length > 0 ? arguments[0] : undefined); var $set = function $set(value) { if (this === ObjectProto) $set.call(OPSymbols, value); if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false; setSymbolDesc(this, tag, createDesc(1, value)); }; if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set }); return wrap(tag); }; redefine($Symbol[PROTOTYPE], 'toString', function toString() { return this._k; }); $GOPD.f = $getOwnPropertyDescriptor; $DP.f = $defineProperty; __w_pdfjs_require__(119).f = gOPNExt.f = $getOwnPropertyNames; __w_pdfjs_require__(73).f = $propertyIsEnumerable; __w_pdfjs_require__(72).f = $getOwnPropertySymbols; if (DESCRIPTORS && !__w_pdfjs_require__(32)) { redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true); } wksExt.f = function (name) { return wrap(wks(name)); }; } $export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol }); for (var es6Symbols = 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'.split(','), j = 0; es6Symbols.length > j;) { wks(es6Symbols[j++]); } for (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) { wksDefine(wellKnownSymbols[k++]); } $export($export.S + $export.F * !USE_NATIVE, 'Symbol', { 'for': function _for(key) { return has(SymbolRegistry, key += '') ? SymbolRegistry[key] : SymbolRegistry[key] = $Symbol(key); }, keyFor: function keyFor(sym) { if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!'); for (var key in SymbolRegistry) { if (SymbolRegistry[key] === sym) return key; } }, useSetter: function useSetter() { setter = true; }, useSimple: function useSimple() { setter = false; } }); $export($export.S + $export.F * !USE_NATIVE, 'Object', { create: $create, defineProperty: $defineProperty, defineProperties: $defineProperties, getOwnPropertyDescriptor: $getOwnPropertyDescriptor, getOwnPropertyNames: $getOwnPropertyNames, getOwnPropertySymbols: $getOwnPropertySymbols }); $JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () { var S = $Symbol(); return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}'; })), 'JSON', { stringify: function stringify(it) { var args = [it]; var i = 1; var replacer, $replacer; while (arguments.length > i) { args.push(arguments[i++]); } $replacer = replacer = args[1]; if (!isObject(replacer) && it === undefined || isSymbol(it)) return; if (!isArray(replacer)) replacer = function replacer(key, value) { if (typeof $replacer == 'function') value = $replacer.call(this, key, value); if (!isSymbol(value)) return value; }; args[1] = replacer; return _stringify.apply($JSON, args); } }); $Symbol[PROTOTYPE][TO_PRIMITIVE] || __w_pdfjs_require__(10)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf); setToStringTag($Symbol, 'Symbol'); setToStringTag(Math, 'Math', true); setToStringTag(global.JSON, 'JSON', true); /***/ }), /* 115 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; exports.f = __w_pdfjs_require__(30); /***/ }), /* 116 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = __w_pdfjs_require__(8); var core = __w_pdfjs_require__(9); var LIBRARY = __w_pdfjs_require__(32); var wksExt = __w_pdfjs_require__(115); var defineProperty = __w_pdfjs_require__(11).f; module.exports = function (name) { var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {}); if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) }); }; /***/ }), /* 117 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var getKeys = __w_pdfjs_require__(54); var gOPS = __w_pdfjs_require__(72); var pIE = __w_pdfjs_require__(73); module.exports = function (it) { var result = getKeys(it); var getSymbols = gOPS.f; if (getSymbols) { var symbols = getSymbols(it); var isEnum = pIE.f; var i = 0; var key; while (symbols.length > i) { if (isEnum.call(it, key = symbols[i++])) result.push(key); } } return result; }; /***/ }), /* 118 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var toIObject = __w_pdfjs_require__(42); var gOPN = __w_pdfjs_require__(119).f; var toString = {}.toString; var windowNames = (typeof window === "undefined" ? "undefined" : _typeof(window)) == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : []; var getWindowNames = function getWindowNames(it) { try { return gOPN(it); } catch (e) { return windowNames.slice(); } }; module.exports.f = function getOwnPropertyNames(it) { return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it)); }; /***/ }), /* 119 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $keys = __w_pdfjs_require__(55); var hiddenKeys = __w_pdfjs_require__(57).concat('length', 'prototype'); exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) { return $keys(O, hiddenKeys); }; /***/ }), /* 120 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(121); module.exports = __w_pdfjs_require__(9).String.padStart; /***/ }), /* 121 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var $pad = __w_pdfjs_require__(122); var userAgent = __w_pdfjs_require__(124); $export($export.P + $export.F * /Version\/10\.\d+(\.\d+)? Safari\//.test(userAgent), 'String', { padStart: function padStart(maxLength) { return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true); } }); /***/ }), /* 122 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toLength = __w_pdfjs_require__(25); var repeat = __w_pdfjs_require__(123); var defined = __w_pdfjs_require__(33); module.exports = function (that, maxLength, fillString, left) { var S = String(defined(that)); var stringLength = S.length; var fillStr = fillString === undefined ? ' ' : String(fillString); var intMaxLength = toLength(maxLength); if (intMaxLength <= stringLength || fillStr == '') return S; var fillLen = intMaxLength - stringLength; var stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length)); if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen); return left ? stringFiller + S : S + stringFiller; }; /***/ }), /* 123 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var toInteger = __w_pdfjs_require__(26); var defined = __w_pdfjs_require__(33); module.exports = function repeat(count) { var str = String(defined(this)); var res = ''; var n = toInteger(count); if (n < 0 || n == Infinity) throw RangeError("Count can't be negative"); for (; n > 0; (n >>>= 1) && (str += str)) { if (n & 1) res += str; } return res; }; /***/ }), /* 124 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var global = __w_pdfjs_require__(8); var navigator = global.navigator; module.exports = navigator && navigator.userAgent || ''; /***/ }), /* 125 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(126); module.exports = __w_pdfjs_require__(9).String.padEnd; /***/ }), /* 126 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var $pad = __w_pdfjs_require__(122); var userAgent = __w_pdfjs_require__(124); $export($export.P + $export.F * /Version\/10\.\d+(\.\d+)? Safari\//.test(userAgent), 'String', { padEnd: function padEnd(maxLength) { return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false); } }); /***/ }), /* 127 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; __w_pdfjs_require__(128); module.exports = __w_pdfjs_require__(9).Object.values; /***/ }), /* 128 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var $export = __w_pdfjs_require__(7); var $values = __w_pdfjs_require__(129)(false); $export($export.S, 'Object', { values: function values(it) { return $values(it); } }); /***/ }), /* 129 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; var getKeys = __w_pdfjs_require__(54); var toIObject = __w_pdfjs_require__(42); var isEnum = __w_pdfjs_require__(73).f; module.exports = function (isEntries) { return function (it) { var O = toIObject(it); var keys = getKeys(O); var length = keys.length; var i = 0; var result = []; var key; while (length > i) { if (isEnum.call(O, key = keys[i++])) { result.push(isEntries ? [key, O[key]] : O[key]); } } return result; }; }; /***/ }), /* 130 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } { var isReadableStreamSupported = false; if (typeof ReadableStream !== 'undefined') { try { new ReadableStream({ start: function start(controller) { controller.close(); } }); isReadableStreamSupported = true; } catch (e) {} } if (isReadableStreamSupported) { exports.ReadableStream = ReadableStream; } else { var DummyReadableStream = function DummyReadableStream() { _classCallCheck(this, DummyReadableStream); throw new Error('The current image decoders are synchronous, ' + 'hence `ReadableStream` shouldn\'t need to be ' + 'polyfilled for the IMAGE_DECODERS build target.'); }; exports.ReadableStream = DummyReadableStream; } } /***/ }), /* 131 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } { var isURLSupported = 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'; isURLSupported = u.href === 'http://a/c%20d'; } } catch (ex) {} if (isURLSupported) { exports.URL = URL; } else { var DummyURL = function DummyURL() { _classCallCheck(this, DummyURL); throw new Error('The current image decoders doesn\'t utilize the ' + '`URL` constructor, hence it shouldn\'t need to be ' + 'polyfilled for the IMAGE_DECODERS build target.'); }; exports.URL = DummyURL; } } /***/ }), /* 132 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.Jbig2Image = void 0; var _util = __w_pdfjs_require__(1); var _arithmetic_decoder = __w_pdfjs_require__(133); var _ccitt = __w_pdfjs_require__(134); var Jbig2Error = function Jbig2ErrorClosure() { function Jbig2Error(msg) { this.message = 'JBIG2 error: ' + msg; } Jbig2Error.prototype = new Error(); Jbig2Error.prototype.name = 'Jbig2Error'; Jbig2Error.constructor = Jbig2Error; return Jbig2Error; }(); var Jbig2Image = function Jbig2ImageClosure() { function ContextCache() {} ContextCache.prototype = { getContexts: function getContexts(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 _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end); return (0, _util.shadow)(this, 'decoder', decoder); }, get contextCache() { var cache = new ContextCache(); return (0, _util.shadow)(this, 'contextCache', cache); } }; 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; } 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; } 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 }] }]; var ReusedContexts = [0x9B25, 0x0795, 0x00E5, 0x0195]; var RefinementReusedContexts = [0x0020, 0x0008]; function decodeBitmapTemplate0(width, height, decodingContext) { var decoder = decodingContext.decoder; var contexts = decodingContext.contextCache.getContexts('GB'); var contextLabel, i, j, pixel, row, row1, row2, bitmap = []; var OLD_PIXEL_MASK = 0x7BF7; 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]; 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); 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; } function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) { if (mmr) { var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end); return decodeMMRBitmap(input, width, height, false); } 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); 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); 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; } 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); continue; } } row = new Uint8Array(row); bitmap.push(row); for (j = 0; j < width; j++) { if (useskip && skip[i][j]) { row[j] = 0; continue; } if (j >= sbb_left && j < sbb_right && i >= sbb_top) { 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 { 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; } 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) { throw new Jbig2Error('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; } 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; } else { contextLabel = contextLabel << 1 | referenceBitmap[i0][j0]; } } var pixel = decoder.readBit(contexts, contextLabel); row[j] = pixel; } } return bitmap; } function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) { if (huffman && refinement) { throw new Jbig2Error('symbol refinement with Huffman is not supported'); } var newSymbols = []; var currentHeight = 0; var symbolCodeLength = (0, _util.log2)(symbols.length + numberOfNewSymbols); var decoder = decodingContext.decoder; var contextCache = decodingContext.contextCache; var tableB1, symbolWidths; if (huffman) { tableB1 = getStandardTable(1); symbolWidths = []; symbolCodeLength = Math.max(symbolCodeLength, 1); } while (newSymbols.length < numberOfNewSymbols) { var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, 'IADH', decoder); currentHeight += deltaHeight; var currentWidth = 0, totalWidth = 0; var firstSymbol = huffman ? symbolWidths.length : 0; while (true) { var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, 'IADW', decoder); if (deltaWidth === null) { break; } currentWidth += deltaWidth; totalWidth += currentWidth; var bitmap; if (refinement) { var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder); if (numberOfInstances > 1) { bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput); } else { var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength); var rdx = decodeInteger(contextCache, 'IARDX', decoder); var rdy = decodeInteger(contextCache, 'IARDY', decoder); var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length]; bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext); } newSymbols.push(bitmap); } else if (huffman) { symbolWidths.push(currentWidth); } else { bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext); newSymbols.push(bitmap); } } if (huffman && !refinement) { var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput); huffmanInput.byteAlign(); var collectiveBitmap = void 0; if (bitmapSize === 0) { collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight); } else { var originalEnd = huffmanInput.end; var bitmapEnd = huffmanInput.position + bitmapSize; huffmanInput.end = bitmapEnd; collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false); huffmanInput.end = originalEnd; huffmanInput.position = bitmapEnd; } var numberOfSymbolsDecoded = symbolWidths.length; if (firstSymbol === numberOfSymbolsDecoded - 1) { newSymbols.push(collectiveBitmap); } else { var _i = void 0, y = void 0, xMin = 0, xMax = void 0, bitmapWidth = void 0, symbolBitmap = void 0; for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) { bitmapWidth = symbolWidths[_i]; xMax = xMin + bitmapWidth; symbolBitmap = []; for (y = 0; y < currentHeight; y++) { symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax)); } newSymbols.push(symbolBitmap); xMin = xMax; } } } } var exportedSymbols = []; var flags = [], currentFlag = false; var totalSymbolsLength = symbols.length + numberOfNewSymbols; while (flags.length < totalSymbolsLength) { var runLength = huffman ? tableB1.decode(huffmanInput) : 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, logStripSize, huffmanInput) { if (huffman && refinement) { throw new Jbig2Error('refinement with Huffman is not supported'); } 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 = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, 'IADT', decoder); var firstS = 0; i = 0; while (i < numberOfSymbolInstances) { var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, 'IADT', decoder); stripT += deltaT; var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, 'IAFS', decoder); firstS += deltaFirstS; var currentS = firstS; do { var currentT = 0; if (stripSize > 1) { currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, 'IAIT', decoder); } var t = stripSize * stripT + currentT; var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength); var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : 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); var rdh = decodeInteger(contextCache, 'IARDH', decoder); var rdx = decodeInteger(contextCache, 'IARDX', decoder); var rdy = decodeInteger(contextCache, 'IARDY', decoder); 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 - 1); var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0); var s2, t2, symbolRow; if (transposed) { for (s2 = 0; s2 < symbolHeight; s2++) { row = bitmap[offsetS + s2]; if (!row) { continue; } symbolRow = symbolBitmap[s2]; var maxWidth = Math.min(width - offsetT, symbolWidth); switch (combinationOperator) { case 0: for (t2 = 0; t2 < maxWidth; t2++) { row[offsetT + t2] |= symbolRow[t2]; } break; case 2: for (t2 = 0; t2 < maxWidth; t2++) { row[offsetT + t2] ^= symbolRow[t2]; } break; default: throw new Jbig2Error("operator ".concat(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: for (s2 = 0; s2 < symbolWidth; s2++) { row[offsetS + s2] |= symbolRow[s2]; } break; case 2: for (s2 = 0; s2 < symbolWidth; s2++) { row[offsetS + s2] ^= symbolRow[s2]; } break; default: throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported")); } } currentS += symbolWidth - 1; } i++; var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, 'IADS', decoder); if (deltaS === null) { break; } currentS += deltaS + dsOffset; } while (true); } return bitmap; } function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) { var at = []; if (!mmr) { at.push({ x: -patternWidth, y: 0 }); if (template === 0) { at.push({ x: -3, y: -1 }); at.push({ x: 2, y: -2 }); at.push({ x: -2, y: -2 }); } } var collectiveWidth = (maxPatternIndex + 1) * patternWidth; var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext); var patterns = [], i = 0, patternBitmap, xMin, xMax, y; while (i <= maxPatternIndex) { patternBitmap = []; xMin = patternWidth * i; xMax = xMin + patternWidth; for (y = 0; y < patternHeight; y++) { patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax)); } patterns.push(patternBitmap); i++; } return patterns; } function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) { var skip = null; if (enableSkip) { throw new Jbig2Error('skip is not supported'); } if (combinationOperator !== 0) { throw new Jbig2Error('operator ' + combinationOperator + ' is not supported in halftone region'); } var regionBitmap = []; var i, j, row; for (i = 0; i < regionHeight; i++) { row = new Uint8Array(regionWidth); if (defaultPixelValue) { for (j = 0; j < regionWidth; j++) { row[j] = defaultPixelValue; } } regionBitmap.push(row); } var numberOfPatterns = patterns.length; var pattern0 = patterns[0]; var patternWidth = pattern0[0].length, patternHeight = pattern0.length; var bitsPerValue = (0, _util.log2)(numberOfPatterns); var at = []; if (!mmr) { at.push({ x: template <= 1 ? 3 : 2, y: -1 }); if (template === 0) { at.push({ x: -3, y: -1 }); at.push({ x: 2, y: -2 }); at.push({ x: -2, y: -2 }); } } var grayScaleBitPlanes = [], mmrInput, bitmap; if (mmr) { mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end); } for (i = bitsPerValue - 1; i >= 0; i--) { if (mmr) { bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true); } else { bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext); } grayScaleBitPlanes[i] = bitmap; } var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow; for (mg = 0; mg < gridHeight; mg++) { for (ng = 0; ng < gridWidth; ng++) { bit = 0; patternIndex = 0; for (j = bitsPerValue - 1; j >= 0; j--) { bit = grayScaleBitPlanes[j][mg][ng] ^ bit; patternIndex |= bit << j; } patternBitmap = patterns[patternIndex]; x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8; y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8; if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) { for (i = 0; i < patternHeight; i++) { regionRow = regionBitmap[y + i]; patternRow = patternBitmap[i]; for (j = 0; j < patternWidth; j++) { regionRow[x + j] |= patternRow[j]; } } } else { var regionX = void 0, regionY = void 0; for (i = 0; i < patternHeight; i++) { regionY = y + i; if (regionY < 0 || regionY >= regionHeight) { continue; } regionRow = regionBitmap[regionY]; patternRow = patternBitmap[i]; for (j = 0; j < patternWidth; j++) { regionX = x + j; if (regionX >= 0 && regionX < regionWidth) { regionRow[regionX] |= patternRow[j]; } } } } } } return regionBitmap; } function readSegmentHeader(data, start) { var segmentHeader = {}; segmentHeader.number = (0, _util.readUint32)(data, start); var flags = data[start + 4]; var segmentType = flags & 0x3F; if (!SegmentTypes[segmentType]) { throw new Jbig2Error('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 = (0, _util.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) { throw new Jbig2Error('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 ? (0, _util.readUint16)(data, position) : (0, _util.readUint32)(data, position); referredTo.push(number); position += referredToSegmentNumberSize; } segmentHeader.referredTo = referredTo; if (!pageAssociationFieldSize) { segmentHeader.pageAssociation = data[position++]; } else { segmentHeader.pageAssociation = (0, _util.readUint32)(data, position); position += 4; } segmentHeader.length = (0, _util.readUint32)(data, position); position += 4; if (segmentHeader.length === 0xFFFFFFFF) { if (segmentType === 38) { var genericRegionInfo = readRegionSegmentInformation(data, position); var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength]; var genericRegionMmr = !!(genericRegionSegmentFlags & 1); 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) { throw new Jbig2Error('segment end was not found'); } } else { throw new Jbig2Error('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; } } 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; } function readRegionSegmentInformation(data, start) { return { width: (0, _util.readUint32)(data, start), height: (0, _util.readUint32)(data, start + 4), x: (0, _util.readUint32)(data, start + 8), y: (0, _util.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: var dictionary = {}; var dictionaryFlags = (0, _util.readUint16)(data, position); 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: (0, _util.readInt8)(data, position), y: (0, _util.readInt8)(data, position + 1) }); position += 2; } dictionary.at = at; } if (dictionary.refinement && !dictionary.refinementTemplate) { at = []; for (i = 0; i < 2; i++) { at.push({ x: (0, _util.readInt8)(data, position), y: (0, _util.readInt8)(data, position + 1) }); position += 2; } dictionary.refinementAt = at; } dictionary.numberOfExportedSymbols = (0, _util.readUint32)(data, position); position += 4; dictionary.numberOfNewSymbols = (0, _util.readUint32)(data, position); position += 4; args = [dictionary, header.number, header.referredTo, data, position, end]; break; case 6: case 7: var textRegion = {}; textRegion.info = readRegionSegmentInformation(data, position); position += RegionSegmentInformationFieldLength; var textRegionSegmentFlags = (0, _util.readUint16)(data, position); position += 2; textRegion.huffman = !!(textRegionSegmentFlags & 1); textRegion.refinement = !!(textRegionSegmentFlags & 2); textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3; textRegion.stripSize = 1 << textRegion.logStripSize; 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 = (0, _util.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 & 0x4000); } if (textRegion.refinement && !textRegion.refinementTemplate) { at = []; for (i = 0; i < 2; i++) { at.push({ x: (0, _util.readInt8)(data, position), y: (0, _util.readInt8)(data, position + 1) }); position += 2; } textRegion.refinementAt = at; } textRegion.numberOfSymbolInstances = (0, _util.readUint32)(data, position); position += 4; args = [textRegion, header.referredTo, data, position, end]; break; case 16: var patternDictionary = {}; var patternDictionaryFlags = data[position++]; patternDictionary.mmr = !!(patternDictionaryFlags & 1); patternDictionary.template = patternDictionaryFlags >> 1 & 3; patternDictionary.patternWidth = data[position++]; patternDictionary.patternHeight = data[position++]; patternDictionary.maxPatternIndex = (0, _util.readUint32)(data, position); position += 4; args = [patternDictionary, header.number, data, position, end]; break; case 22: case 23: var halftoneRegion = {}; halftoneRegion.info = readRegionSegmentInformation(data, position); position += RegionSegmentInformationFieldLength; var halftoneRegionFlags = data[position++]; halftoneRegion.mmr = !!(halftoneRegionFlags & 1); halftoneRegion.template = halftoneRegionFlags >> 1 & 3; halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8); halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7; halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1; halftoneRegion.gridWidth = (0, _util.readUint32)(data, position); position += 4; halftoneRegion.gridHeight = (0, _util.readUint32)(data, position); position += 4; halftoneRegion.gridOffsetX = (0, _util.readUint32)(data, position) & 0xFFFFFFFF; position += 4; halftoneRegion.gridOffsetY = (0, _util.readUint32)(data, position) & 0xFFFFFFFF; position += 4; halftoneRegion.gridVectorX = (0, _util.readUint16)(data, position); position += 2; halftoneRegion.gridVectorY = (0, _util.readUint16)(data, position); position += 2; args = [halftoneRegion, header.referredTo, data, position, end]; break; case 38: case 39: 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: (0, _util.readInt8)(data, position), y: (0, _util.readInt8)(data, position + 1) }); position += 2; } genericRegion.at = at; } args = [genericRegion, data, position, end]; break; case 48: var pageInfo = { width: (0, _util.readUint32)(data, position), height: (0, _util.readUint32)(data, position + 4), resolutionX: (0, _util.readUint32)(data, position + 8), resolutionY: (0, _util.readUint32)(data, position + 12) }; if (pageInfo.height === 0xFFFFFFFF) { delete pageInfo.height; } var pageSegmentFlags = data[position + 16]; (0, _util.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: break; case 50: break; case 51: break; case 53: args = [header.number, data, position, end]; break; case 62: break; default: throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(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 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 parseJbig2(data) { var position = 0, end = data.length; 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) { throw new Jbig2Error('parseJbig2 - invalid header.'); } var header = Object.create(null); position += 8; var flags = data[position++]; header.randomAccess = !(flags & 1); if (!(flags & 2)) { header.numberOfPages = (0, _util.readUint32)(data, position); position += 4; } var segments = readSegments(header, data, position, end); var visitor = new SimpleSegmentVisitor(); processSegments(segments, visitor); var _visitor$currentPageI = visitor.currentPageInfo, width = _visitor$currentPageI.width, height = _visitor$currentPageI.height; var bitPacked = visitor.buffer; var imgData = new Uint8ClampedArray(width * height); var q = 0, k = 0; for (var i = 0; i < height; i++) { var mask = 0, buffer = void 0; for (var j = 0; j < width; j++) { if (!mask) { mask = 128; buffer = bitPacked[k++]; } imgData[q++] = buffer & mask ? 0 : 255; mask >>= 1; } } return { imgData: imgData, width: width, height: height }; } function SimpleSegmentVisitor() {} SimpleSegmentVisitor.prototype = { onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) { this.currentPageInfo = info; var rowSize = info.width + 7 >> 3; var buffer = new Uint8ClampedArray(rowSize * info.height); 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: 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: 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: throw new Jbig2Error("operator ".concat(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, huffmanInput; if (dictionary.huffman) { huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables); huffmanInput = new Reader(data, start, end); } var symbols = this.symbols; if (!symbols) { this.symbols = symbols = {}; } var inputSymbols = []; for (var i = 0, ii = referredSegments.length; i < ii; i++) { var referredSymbols = symbols[referredSegments[i]]; if (referredSymbols) { inputSymbols = inputSymbols.concat(referredSymbols); } } 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, huffmanInput); }, onImmediateTextRegion: function SimpleSegmentVisitor_onImmediateTextRegion(region, referredSegments, data, start, end) { var regionInfo = region.info; var huffmanTables, huffmanInput; var symbols = this.symbols; var inputSymbols = []; for (var i = 0, ii = referredSegments.length; i < ii; i++) { var referredSymbols = symbols[referredSegments[i]]; if (referredSymbols) { inputSymbols = inputSymbols.concat(referredSymbols); } } var symbolCodeLength = (0, _util.log2)(inputSymbols.length); if (region.huffman) { huffmanInput = new Reader(data, start, end); huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput); } 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, region.logStripSize, huffmanInput); this.drawBitmap(regionInfo, bitmap); }, onImmediateLosslessTextRegion: function SimpleSegmentVisitor_onImmediateLosslessTextRegion() { this.onImmediateTextRegion.apply(this, arguments); }, onPatternDictionary: function onPatternDictionary(dictionary, currentSegment, data, start, end) { var patterns = this.patterns; if (!patterns) { this.patterns = patterns = {}; } var decodingContext = new DecodingContext(data, start, end); patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext); }, onImmediateHalftoneRegion: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) { var patterns = this.patterns[referredSegments[0]]; var regionInfo = region.info; var decodingContext = new DecodingContext(data, start, end); var bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext); this.drawBitmap(regionInfo, bitmap); }, onImmediateLosslessHalftoneRegion: function onImmediateLosslessHalftoneRegion() { this.onImmediateHalftoneRegion.apply(this, arguments); }, onTables: function onTables(currentSegment, data, start, end) { var customTables = this.customTables; if (!customTables) { this.customTables = customTables = {}; } customTables[currentSegment] = decodeTablesSegment(data, start, end); } }; function HuffmanLine(lineData) { if (lineData.length === 2) { this.isOOB = true; this.rangeLow = 0; this.prefixLength = lineData[0]; this.rangeLength = 0; this.prefixCode = lineData[1]; this.isLowerRange = false; } else { this.isOOB = false; this.rangeLow = lineData[0]; this.prefixLength = lineData[1]; this.rangeLength = lineData[2]; this.prefixCode = lineData[3]; this.isLowerRange = lineData[4] === 'lower'; } } function HuffmanTreeNode(line) { this.children = []; if (line) { this.isLeaf = true; this.rangeLength = line.rangeLength; this.rangeLow = line.rangeLow; this.isLowerRange = line.isLowerRange; this.isOOB = line.isOOB; } else { this.isLeaf = false; } } HuffmanTreeNode.prototype = { buildTree: function buildTree(line, shift) { var bit = line.prefixCode >> shift & 1; if (shift <= 0) { this.children[bit] = new HuffmanTreeNode(line); } else { var node = this.children[bit]; if (!node) { this.children[bit] = node = new HuffmanTreeNode(null); } node.buildTree(line, shift - 1); } }, decodeNode: function decodeNode(reader) { if (this.isLeaf) { if (this.isOOB) { return null; } var htOffset = reader.readBits(this.rangeLength); return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset); } var node = this.children[reader.readBit()]; if (!node) { throw new Jbig2Error('invalid Huffman data'); } return node.decodeNode(reader); } }; function HuffmanTable(lines, prefixCodesDone) { if (!prefixCodesDone) { this.assignPrefixCodes(lines); } this.rootNode = new HuffmanTreeNode(null); var i, ii = lines.length, line; for (i = 0; i < ii; i++) { line = lines[i]; if (line.prefixLength > 0) { this.rootNode.buildTree(line, line.prefixLength - 1); } } } HuffmanTable.prototype = { decode: function decode(reader) { return this.rootNode.decodeNode(reader); }, assignPrefixCodes: function assignPrefixCodes(lines) { var linesLength = lines.length, prefixLengthMax = 0, i; for (i = 0; i < linesLength; i++) { prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength); } var histogram = new Uint32Array(prefixLengthMax + 1); for (i = 0; i < linesLength; i++) { histogram[lines[i].prefixLength]++; } var currentLength = 1, firstCode = 0, currentCode, currentTemp, line; histogram[0] = 0; while (currentLength <= prefixLengthMax) { firstCode = firstCode + histogram[currentLength - 1] << 1; currentCode = firstCode; currentTemp = 0; while (currentTemp < linesLength) { line = lines[currentTemp]; if (line.prefixLength === currentLength) { line.prefixCode = currentCode; currentCode++; } currentTemp++; } currentLength++; } } }; function decodeTablesSegment(data, start, end) { var flags = data[start]; var lowestValue = (0, _util.readUint32)(data, start + 1) & 0xFFFFFFFF; var highestValue = (0, _util.readUint32)(data, start + 5) & 0xFFFFFFFF; var reader = new Reader(data, start + 9, end); var prefixSizeBits = (flags >> 1 & 7) + 1; var rangeSizeBits = (flags >> 4 & 7) + 1; var lines = []; var prefixLength, rangeLength, currentRangeLow = lowestValue; do { prefixLength = reader.readBits(prefixSizeBits); rangeLength = reader.readBits(rangeSizeBits); lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0])); currentRangeLow += 1 << rangeLength; } while (currentRangeLow < highestValue); prefixLength = reader.readBits(prefixSizeBits); lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, 'lower'])); prefixLength = reader.readBits(prefixSizeBits); lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0])); if (flags & 1) { prefixLength = reader.readBits(prefixSizeBits); lines.push(new HuffmanLine([prefixLength, 0])); } return new HuffmanTable(lines, false); } var standardTablesCache = {}; function getStandardTable(number) { var table = standardTablesCache[number]; if (table) { return table; } var lines; switch (number) { case 1: lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]]; break; case 2: lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xE], [11, 5, 6, 0x1E], [75, 6, 32, 0x3E], [6, 0x3F]]; break; case 3: lines = [[-256, 8, 8, 0xFE], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xE], [11, 5, 6, 0x1E], [-257, 8, 32, 0xFF, 'lower'], [75, 7, 32, 0x7E], [6, 0x3E]]; break; case 4: lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xE], [12, 5, 6, 0x1E], [76, 5, 32, 0x1F]]; break; case 5: lines = [[-255, 7, 8, 0x7E], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xE], [12, 5, 6, 0x1E], [-256, 7, 32, 0x7F, 'lower'], [76, 6, 32, 0x3E]]; break; case 6: lines = [[-2048, 5, 10, 0x1C], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xA], [-128, 5, 6, 0x1D], [-64, 5, 5, 0x1E], [-32, 4, 5, 0xB], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xC], [1024, 4, 10, 0xD], [-2049, 6, 32, 0x3E, 'lower'], [2048, 6, 32, 0x3F]]; break; case 7: lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1A], [-64, 5, 5, 0x1B], [-32, 4, 5, 0xA], [0, 4, 5, 0xB], [32, 5, 5, 0x1C], [64, 5, 6, 0x1D], [128, 4, 7, 0xC], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1E, 'lower'], [2048, 5, 32, 0x1F]]; break; case 8: lines = [[-15, 8, 3, 0xFC], [-7, 9, 1, 0x1FC], [-5, 8, 1, 0xFD], [-3, 9, 0, 0x1FD], [-2, 7, 0, 0x7C], [-1, 4, 0, 0xA], [0, 2, 1, 0x0], [2, 5, 0, 0x1A], [3, 6, 0, 0x3A], [4, 3, 4, 0x4], [20, 6, 1, 0x3B], [22, 4, 4, 0xB], [38, 4, 5, 0xC], [70, 5, 6, 0x1B], [134, 5, 7, 0x1C], [262, 6, 7, 0x3C], [390, 7, 8, 0x7D], [646, 6, 10, 0x3D], [-16, 9, 32, 0x1FE, 'lower'], [1670, 9, 32, 0x1FF], [2, 0x1]]; break; case 9: lines = [[-31, 8, 4, 0xFC], [-15, 9, 2, 0x1FC], [-11, 8, 2, 0xFD], [-7, 9, 1, 0x1FD], [-5, 7, 1, 0x7C], [-3, 4, 1, 0xA], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1A], [5, 6, 1, 0x3A], [7, 3, 5, 0x4], [39, 6, 2, 0x3B], [43, 4, 5, 0xB], [75, 4, 6, 0xC], [139, 5, 7, 0x1B], [267, 5, 8, 0x1C], [523, 6, 8, 0x3C], [779, 7, 9, 0x7D], [1291, 6, 11, 0x3D], [-32, 9, 32, 0x1FE, 'lower'], [3339, 9, 32, 0x1FF], [2, 0x0]]; break; case 10: lines = [[-21, 7, 4, 0x7A], [-5, 8, 0, 0xFC], [-4, 7, 0, 0x7B], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7C], [5, 8, 0, 0xFD], [6, 2, 6, 0x1], [70, 5, 5, 0x1A], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3A], [582, 6, 9, 0x3B], [1094, 6, 10, 0x3C], [2118, 7, 11, 0x7D], [-22, 8, 32, 0xFE, 'lower'], [4166, 8, 32, 0xFF], [2, 0x2]]; break; case 11: lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xC], [5, 4, 1, 0xD], [7, 5, 1, 0x1C], [9, 5, 2, 0x1D], [13, 6, 2, 0x3C], [17, 7, 2, 0x7A], [21, 7, 3, 0x7B], [29, 7, 4, 0x7C], [45, 7, 5, 0x7D], [77, 7, 6, 0x7E], [141, 7, 32, 0x7F]]; break; case 12: lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1C], [6, 5, 1, 0x1D], [8, 6, 1, 0x3C], [10, 7, 0, 0x7A], [11, 7, 1, 0x7B], [13, 7, 2, 0x7C], [17, 7, 3, 0x7D], [25, 7, 4, 0x7E], [41, 8, 5, 0xFE], [73, 8, 32, 0xFF]]; break; case 13: lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xC], [4, 5, 0, 0x1C], [5, 4, 1, 0xD], [7, 3, 3, 0x5], [15, 6, 1, 0x3A], [17, 6, 2, 0x3B], [21, 6, 3, 0x3C], [29, 6, 4, 0x3D], [45, 6, 5, 0x3E], [77, 7, 6, 0x7E], [141, 7, 32, 0x7F]]; break; case 14: lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]]; break; case 15: lines = [[-24, 7, 4, 0x7C], [-8, 6, 2, 0x3C], [-4, 5, 1, 0x1C], [-2, 4, 0, 0xC], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xD], [3, 5, 1, 0x1D], [5, 6, 2, 0x3D], [9, 7, 4, 0x7D], [-25, 7, 32, 0x7E, 'lower'], [25, 7, 32, 0x7F]]; break; default: throw new Jbig2Error("standard table B.".concat(number, " does not exist")); } var length = lines.length, i; for (i = 0; i < length; i++) { lines[i] = new HuffmanLine(lines[i]); } table = new HuffmanTable(lines, true); standardTablesCache[number] = table; return table; } function Reader(data, start, end) { this.data = data; this.start = start; this.end = end; this.position = start; this.shift = -1; this.currentByte = 0; } Reader.prototype = { readBit: function readBit() { if (this.shift < 0) { if (this.position >= this.end) { throw new Jbig2Error('end of data while reading bit'); } this.currentByte = this.data[this.position++]; this.shift = 7; } var bit = this.currentByte >> this.shift & 1; this.shift--; return bit; }, readBits: function readBits(numBits) { var result = 0, i; for (i = numBits - 1; i >= 0; i--) { result |= this.readBit() << i; } return result; }, byteAlign: function byteAlign() { this.shift = -1; }, next: function next() { if (this.position >= this.end) { return -1; } return this.data[this.position++]; } }; function getCustomHuffmanTable(index, referredTo, customTables) { var currentIndex = 0, i, ii = referredTo.length, table; for (i = 0; i < ii; i++) { table = customTables[referredTo[i]]; if (table) { if (index === currentIndex) { return table; } currentIndex++; } } throw new Jbig2Error('can\'t find custom Huffman table'); } function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) { var codes = [], i, codeLength; for (i = 0; i <= 34; i++) { codeLength = reader.readBits(4); codes.push(new HuffmanLine([i, codeLength, 0, 0])); } var runCodesTable = new HuffmanTable(codes, false); codes.length = 0; for (i = 0; i < numberOfSymbols;) { codeLength = runCodesTable.decode(reader); if (codeLength >= 32) { var repeatedLength = void 0, numberOfRepeats = void 0, j = void 0; switch (codeLength) { case 32: if (i === 0) { throw new Jbig2Error('no previous value in symbol ID table'); } numberOfRepeats = reader.readBits(2) + 3; repeatedLength = codes[i - 1].prefixLength; break; case 33: numberOfRepeats = reader.readBits(3) + 3; repeatedLength = 0; break; case 34: numberOfRepeats = reader.readBits(7) + 11; repeatedLength = 0; break; default: throw new Jbig2Error('invalid code length in symbol ID table'); } for (j = 0; j < numberOfRepeats; j++) { codes.push(new HuffmanLine([i, repeatedLength, 0, 0])); i++; } } else { codes.push(new HuffmanLine([i, codeLength, 0, 0])); i++; } } reader.byteAlign(); var symbolIDTable = new HuffmanTable(codes, false); var customIndex = 0, tableFirstS, tableDeltaS, tableDeltaT; switch (textRegion.huffmanFS) { case 0: case 1: tableFirstS = getStandardTable(textRegion.huffmanFS + 6); break; case 3: tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; break; default: throw new Jbig2Error('invalid Huffman FS selector'); } switch (textRegion.huffmanDS) { case 0: case 1: case 2: tableDeltaS = getStandardTable(textRegion.huffmanDS + 8); break; case 3: tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; break; default: throw new Jbig2Error('invalid Huffman DS selector'); } switch (textRegion.huffmanDT) { case 0: case 1: case 2: tableDeltaT = getStandardTable(textRegion.huffmanDT + 11); break; case 3: tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; break; default: throw new Jbig2Error('invalid Huffman DT selector'); } if (textRegion.refinement) { throw new Jbig2Error('refinement with Huffman is not supported'); } return { symbolIDTable: symbolIDTable, tableFirstS: tableFirstS, tableDeltaS: tableDeltaS, tableDeltaT: tableDeltaT }; } function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) { var customIndex = 0, tableDeltaHeight, tableDeltaWidth; switch (dictionary.huffmanDHSelector) { case 0: case 1: tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4); break; case 3: tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; break; default: throw new Jbig2Error('invalid Huffman DH selector'); } switch (dictionary.huffmanDWSelector) { case 0: case 1: tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2); break; case 3: tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; break; default: throw new Jbig2Error('invalid Huffman DW selector'); } var tableBitmapSize, tableAggregateInstances; if (dictionary.bitmapSizeSelector) { tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables); customIndex++; } else { tableBitmapSize = getStandardTable(1); } if (dictionary.aggregationInstancesSelector) { tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables); } else { tableAggregateInstances = getStandardTable(1); } return { tableDeltaHeight: tableDeltaHeight, tableDeltaWidth: tableDeltaWidth, tableBitmapSize: tableBitmapSize, tableAggregateInstances: tableAggregateInstances }; } function readUncompressedBitmap(reader, width, height) { var bitmap = [], x, y, row; for (y = 0; y < height; y++) { row = new Uint8Array(width); bitmap.push(row); for (x = 0; x < width; x++) { row[x] = reader.readBit(); } reader.byteAlign(); } return bitmap; } function decodeMMRBitmap(input, width, height, endOfBlock) { var params = { K: -1, Columns: width, Rows: height, BlackIs1: true, EndOfBlock: endOfBlock }; var decoder = new _ccitt.CCITTFaxDecoder(input, params); var bitmap = [], x, y, row, currentByte, shift, eof = false; for (y = 0; y < height; y++) { row = new Uint8Array(width); bitmap.push(row); shift = -1; for (x = 0; x < width; x++) { if (shift < 0) { currentByte = decoder.readNextChar(); if (currentByte === -1) { currentByte = 0; eof = true; } shift = 7; } row[x] = currentByte >> shift & 1; shift--; } } if (endOfBlock && !eof) { var lookForEOFLimit = 5; for (var i = 0; i < lookForEOFLimit; i++) { if (decoder.readNextChar() === -1) { break; } } } return bitmap; } function Jbig2Image() {} Jbig2Image.prototype = { parseChunks: function parseChunks(chunks) { return parseJbig2Chunks(chunks); }, parse: function parse(data) { var _parseJbig = parseJbig2(data), imgData = _parseJbig.imgData, width = _parseJbig.width, height = _parseJbig.height; this.width = width; this.height = height; return imgData; } }; return Jbig2Image; }(); exports.Jbig2Image = Jbig2Image; /***/ }), /* 133 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.ArithmeticDecoder = void 0; function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } 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 }]; var ArithmeticDecoder = /*#__PURE__*/ function () { function ArithmeticDecoder(data, start, end) { _classCallCheck(this, ArithmeticDecoder); 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; } _createClass(ArithmeticDecoder, [{ key: "byteIn", value: function byteIn() { var data = this.data; var bp = this.bp; if (data[bp] === 0xFF) { if (data[bp + 1] > 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; } } }, { key: "readBit", value: function readBit(contexts, pos) { 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) { 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; } 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; } } 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; /***/ }), /* 134 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.CCITTFaxDecoder = void 0; var _util = __w_pdfjs_require__(1); var CCITTFaxDecoder = function CCITTFaxDecoder() { 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], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [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, twoDimHoriz], [3, twoDimHoriz], [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, twoDimVertL1], [3, twoDimVertL1], [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], [3, twoDimVertR1], [3, twoDimVertR1], [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], [1, twoDimVert0], [1, twoDimVert0]]; var whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]]; var whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [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, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [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], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [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, 2], [4, 2], [4, 2], [4, 2], [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], [4, 3], [4, 3], [4, 3], [4, 3], [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, 128], [5, 128], [5, 128], [5, 128], [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, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [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], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [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, 4], [4, 4], [4, 4], [4, 4], [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], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [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], [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], [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], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]]; var blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [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], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [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], [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], [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], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [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], [7, 12], [7, 12], [7, 12], [7, 12]]; var blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [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, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [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 CCITTFaxDecoder(source) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; if (!source || typeof source.next !== 'function') { throw new Error('CCITTFaxDecoder - invalid "source" parameter.'); } this.source = source; this.eof = false; this.encoding = options['K'] || 0; this.eoline = options['EndOfLine'] || false; this.byteAlign = options['EncodedByteAlign'] || false; this.columns = options['Columns'] || 1728; this.rows = options['Rows'] || 0; var eoblock = options['EndOfBlock']; if (eoblock === null || eoblock === undefined) { eoblock = true; } this.eoblock = eoblock; this.black = options['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; this.rowsDone = false; 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); } } CCITTFaxDecoder.prototype = { readNextChar: function readNextChar() { if (this.eof) { return -1; } var refLine = this.refLine; var codingLine = this.codingLine; var columns = this.columns; var refPos, blackPixels, bits, i; if (this.outputBits === 0) { if (this.rowsDone) { this.eof = true; } if (this.eof) { return -1; } 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: (0, _util.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.rowsDone = 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.rowsDone) { 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) { (0, _util.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 -1; } 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; }, _addPixels: function _addPixels(a1, blackPixels) { var codingLine = this.codingLine; var codingPos = this.codingPos; if (a1 > codingLine[codingPos]) { if (a1 > this.columns) { (0, _util.info)('row is wrong length'); this.err = true; a1 = this.columns; } if (codingPos & 1 ^ blackPixels) { ++codingPos; } codingLine[codingPos] = a1; } this.codingPos = codingPos; }, _addPixelsNeg: function _addPixelsNeg(a1, blackPixels) { var codingLine = this.codingLine; var codingPos = this.codingPos; if (a1 > codingLine[codingPos]) { if (a1 > this.columns) { (0, _util.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) { (0, _util.info)('invalid code'); this.err = true; a1 = 0; } while (codingPos > 0 && a1 < codingLine[codingPos - 1]) { --codingPos; } codingLine[codingPos] = a1; } this.codingPos = codingPos; }, _findTableCode: function _findTableCode(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]; }, _getTwoDimCode: function _getTwoDimCode() { 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]; } } (0, _util.info)('Bad two dim code'); return ccittEOF; }, _getWhiteCode: function _getWhiteCode() { 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]; } } (0, _util.info)('bad white code'); this._eatBits(1); return 1; }, _getBlackCode: function _getBlackCode() { 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]; } } (0, _util.info)('bad black code'); this._eatBits(1); return 1; }, _lookBits: function _lookBits(n) { var c; while (this.inputBits < n) { if ((c = this.source.next()) === -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; }, _eatBits: function _eatBits(n) { if ((this.inputBits -= n) < 0) { this.inputBits = 0; } } }; return CCITTFaxDecoder; }(); exports.CCITTFaxDecoder = CCITTFaxDecoder; /***/ }), /* 135 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.JpegImage = void 0; var _util = __w_pdfjs_require__(1); function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } var JpegError = function JpegErrorClosure() { function JpegError(msg) { this.message = 'JPEG error: ' + msg; } JpegError.prototype = new Error(); JpegError.prototype.name = 'JpegError'; JpegError.constructor = JpegError; return JpegError; }(); var DNLMarkerError = function DNLMarkerErrorClosure() { function DNLMarkerError(message, scanLines) { this.message = message; this.scanLines = scanLines; } DNLMarkerError.prototype = new Error(); DNLMarkerError.prototype.name = 'DNLMarkerError'; DNLMarkerError.constructor = DNLMarkerError; return DNLMarkerError; }(); var EOIMarkerError = function EOIMarkerErrorClosure() { function EOIMarkerError(message) { this.message = message; } EOIMarkerError.prototype = new Error(); EOIMarkerError.prototype.name = 'EOIMarkerError'; EOIMarkerError.constructor = EOIMarkerError; return EOIMarkerError; }(); 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; var dctSin1 = 799; var dctCos3 = 3406; var dctSin3 = 2276; var dctCos6 = 1567; var dctSin6 = 3784; var dctSqrt2 = 5793; var dctSqrt1d2 = 2896; function JpegImage() { var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}, _ref$decodeTransform = _ref.decodeTransform, decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform, _ref$colorTransform = _ref.colorTransform, colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform; this._decodeTransform = decodeTransform; this._colorTransform = colorTransform; } 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) { 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 parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false; 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) { if (nextByte === 0xDC && parseDNLMarker) { offset += 2; var scanLines = data[offset++] << 8 | data[offset++]; if (scanLines > 0 && scanLines !== frame.scanLines) { throw new DNLMarkerError('Found DNL marker (0xFFDC) while parsing scan data', scanLines); } } else if (nextByte === 0xD9) { throw new EOIMarkerError('Found EOI marker (0xFFD9) while parsing scan data'); } throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16))); } } 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') { throw new JpegError('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 offsetZ = offset + dctZigZag[k]; var sign = component.blockData[offsetZ] < 0 ? -1 : 1; switch (successiveACState) { case 0: 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) { throw new JpegError('invalid ACn encoding'); } successiveACNextValue = receiveAndExtend(s); successiveACState = r ? 2 : 3; } continue; case 1: case 2: if (component.blockData[offsetZ]) { component.blockData[offsetZ] += sign * (readBit() << successive); } else { r--; if (r === 0) { successiveACState = successiveACState === 2 ? 3 : 0; } } break; case 3: if (component.blockData[offsetZ]) { component.blockData[offsetZ] += sign * (readBit() << successive); } else { component.blockData[offsetZ] = successiveACNextValue << successive; successiveACState = 0; } break; case 4: if (component.blockData[offsetZ]) { component.blockData[offsetZ] += sign * (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, fileMarker; var mcuExpected; if (componentsLength === 1) { mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn; } else { mcuExpected = mcusPerLine * frame.mcusPerColumn; } var h, v; while (mcu < mcuExpected) { var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected; for (i = 0; i < componentsLength; i++) { components[i].pred = 0; } eobrun = 0; if (componentsLength === 1) { component = components[0]; for (n = 0; n < mcuToRead; n++) { decodeBlock(component, decodeFn, mcu); mcu++; } } else { for (n = 0; n < mcuToRead; 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++; } } bitsCount = 0; fileMarker = findNextFileMarker(data, offset); if (fileMarker && fileMarker.invalid) { (0, _util.warn)('decodeScan - unexpected MCU data, current marker is: ' + fileMarker.invalid); offset = fileMarker.offset; } var marker = fileMarker && fileMarker.marker; if (!marker || marker <= 0xFF00) { throw new JpegError('marker was not found'); } if (marker >= 0xFFD0 && marker <= 0xFFD7) { offset += 2; } else { break; } } fileMarker = findNextFileMarker(data, offset); if (fileMarker && fileMarker.invalid) { (0, _util.warn)('decodeScan - unexpected Scan data, current marker is: ' + fileMarker.invalid); offset = fileMarker.offset; } return offset - startOffset; } 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) { throw new JpegError('missing required Quantization Table.'); } for (var row = 0; row < 64; row += 8) { 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]; p0 *= qt[row]; 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; } 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]; 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; 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; 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; 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; } 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]; if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) { t = dctSqrt2 * p0 + 8192 >> 14; 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; } 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; 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; 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; p0 = v0 + v7; p7 = v0 - v7; p1 = v1 + v6; p6 = v1 - v6; p2 = v2 + v5; p5 = v2 - v5; p3 = v3 + v4; p4 = v3 - v4; 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; 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 findNextFileMarker(data, currentPos) { var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos; function peekUint16(pos) { return data[pos] << 8 | data[pos + 1]; } var maxPos = data.length - 1; var newPos = startPos < currentPos ? startPos : currentPos; if (currentPos >= maxPos) { return null; } var currentMarker = peekUint16(currentPos); if (currentMarker >= 0xFFC0 && currentMarker <= 0xFFFE) { return { invalid: null, marker: currentMarker, offset: currentPos }; } var newMarker = peekUint16(newPos); while (!(newMarker >= 0xFFC0 && newMarker <= 0xFFFE)) { if (++newPos >= maxPos) { return null; } newMarker = peekUint16(newPos); } return { invalid: currentMarker.toString(16), marker: newMarker, offset: newPos }; } JpegImage.prototype = { parse: function parse(data) { var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref2$dnlScanLines = _ref2.dnlScanLines, dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines; function readUint16() { var value = data[offset] << 8 | data[offset + 1]; offset += 2; return value; } function readDataBlock() { var length = readUint16(); var endOffset = offset + length - 2; var fileMarker = findNextFileMarker(data, endOffset, offset); if (fileMarker && fileMarker.invalid) { (0, _util.warn)('readDataBlock - incorrect length, current marker is: ' + fileMarker.invalid); endOffset = fileMarker.offset; } var array = data.subarray(offset, endOffset); 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 numSOSMarkers = 0; var quantizationTables = []; var huffmanTablesAC = [], huffmanTablesDC = []; var fileMarker = readUint16(); if (fileMarker !== 0xFFD8) { throw new JpegError('SOI not found'); } fileMarker = readUint16(); markerLoop: while (fileMarker !== 0xFFD9) { var i, j, l; switch (fileMarker) { case 0xFFE0: case 0xFFE1: case 0xFFE2: case 0xFFE3: case 0xFFE4: case 0xFFE5: case 0xFFE6: case 0xFFE7: case 0xFFE8: case 0xFFE9: case 0xFFEA: case 0xFFEB: case 0xFFEC: case 0xFFED: case 0xFFEE: case 0xFFEF: case 0xFFFE: var appData = readDataBlock(); if (fileMarker === 0xFFE0) { if (appData[0] === 0x4A && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) { 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]) }; } } if (fileMarker === 0xFFEE) { if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6F && appData[3] === 0x62 && appData[4] === 0x65) { 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: 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) { for (j = 0; j < 64; j++) { z = dctZigZag[j]; tableData[z] = data[offset++]; } } else if (quantizationTableSpec >> 4 === 1) { for (j = 0; j < 64; j++) { z = dctZigZag[j]; tableData[z] = readUint16(); } } else { throw new JpegError('DQT - invalid table spec'); } quantizationTables[quantizationTableSpec & 15] = tableData; } break; case 0xFFC0: case 0xFFC1: case 0xFFC2: if (frame) { throw new JpegError('Only single frame JPEGs supported'); } readUint16(); frame = {}; frame.extended = fileMarker === 0xFFC1; frame.progressive = fileMarker === 0xFFC2; frame.precision = data[offset++]; var sofScanLines = readUint16(); frame.scanLines = dnlScanLines || sofScanLines; 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 }); frame.componentIds[componentId] = l - 1; offset += 3; } frame.maxH = maxH; frame.maxV = maxV; prepareComponents(frame); break; case 0xFFC4: 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: readUint16(); resetInterval = readUint16(); break; case 0xFFDA: var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines; 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++]; try { var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker); offset += processed; } catch (ex) { if (ex instanceof DNLMarkerError) { (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image.")); return this.parse(data, { dnlScanLines: ex.scanLines }); } else if (ex instanceof EOIMarkerError) { (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data.")); break markerLoop; } throw ex; } break; case 0xFFDC: offset += 4; break; case 0xFFFF: if (data[offset] !== 0xFF) { offset--; } break; default: if (data[offset - 3] === 0xFF && data[offset - 2] >= 0xC0 && data[offset - 2] <= 0xFE) { offset -= 3; break; } var nextFileMarker = findNextFileMarker(data, offset - 2); if (nextFileMarker && nextFileMarker.invalid) { (0, _util.warn)('JpegImage.parse - unexpected data, current marker is: ' + nextFileMarker.invalid); offset = nextFileMarker.offset; break; } throw new JpegError('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]; 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 isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false; 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 Uint8ClampedArray(dataLength); var xScaleBlockOffset = new Uint32Array(width); var mask3LSB = 0xfffffff8; 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; for (x = 0; x < width; x++) { j = 0 | x * componentScaleX; xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7; } 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; } } } var transform = this._decodeTransform; if (!isSourcePDF && numComponents === 4 && !transform) { transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]); } 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; }, get _isColorConversionNeeded() { if (this.adobe) { return !!this.adobe.transformCode; } if (this.numComponents === 3) { if (this._colorTransform === 0) { return false; } return true; } if (this._colorTransform === 1) { 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] = Y - 179.456 + 1.402 * Cr; data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr; data[i + 2] = 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]; data[offset++] = -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); data[offset++] = 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); data[offset++] = -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); } return data.subarray(0, offset); }, _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] = 434.456 - Y - 1.402 * Cr; data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr; data[i + 2] = 481.816 - Y - 1.772 * Cb; } return data; }, _convertCmykToRgb: function convertCmykToRgb(data) { var c, m, y, k; var offset = 0; var scale = 1 / 255; for (var i = 0, length = data.length; i < length; i += 4) { c = data[i] * scale; m = data[i + 1] * scale; y = data[i + 2] * scale; k = data[i + 3] * scale; data[offset++] = 255 + 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); data[offset++] = 255 + 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); data[offset++] = 255 + 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); } return data.subarray(0, offset); }, getData: function getData(_ref3) { var width = _ref3.width, height = _ref3.height, _ref3$forceRGB = _ref3.forceRGB, forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB, _ref3$isSourcePDF = _ref3.isSourcePDF, isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF; if (this.numComponents > 4) { throw new JpegError('Unsupported color mode'); } var data = this._getLinearizedBlockData(width, height, isSourcePDF); if (this.numComponents === 1 && forceRGB) { var dataLength = data.length; var rgbData = new Uint8ClampedArray(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 (forceRGB) { return this._convertYcckToRgb(data); } return this._convertYcckToCmyk(data); } else if (forceRGB) { return this._convertCmykToRgb(data); } } return data; } }; return JpegImage; }(); exports.JpegImage = JpegImage; /***/ }), /* 136 */ /***/ (function(module, exports, __w_pdfjs_require__) { "use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.JpxImage = void 0; var _util = __w_pdfjs_require__(1); var _arithmetic_decoder = __w_pdfjs_require__(133); var JpxError = function JpxErrorClosure() { function JpxError(msg) { this.message = 'JPX error: ' + msg; } JpxError.prototype = new Error(); JpxError.prototype.name = 'JpxError'; JpxError.constructor = JpxError; return JpxError; }(); var JpxImage = function JpxImageClosure() { var SubbandsGainLog2 = { 'LL': 0, 'LH': 1, 'HL': 1, 'HH': 2 }; function JpxImage() { this.failOnCorruptedImage = false; } JpxImage.prototype = { parse: function JpxImage_parse(data) { var head = (0, _util.readUint16)(data, 0); if (head === 0xFF4F) { this.parseCodestream(data, 0, data.length); return; } var position = 0, length = data.length; while (position < length) { var headerSize = 8; var lbox = (0, _util.readUint32)(data, position); var tbox = (0, _util.readUint32)(data, position + 4); position += headerSize; if (lbox === 1) { lbox = (0, _util.readUint32)(data, position) * 4294967296 + (0, _util.readUint32)(data, position + 4); position += 8; headerSize += 8; } if (lbox === 0) { lbox = length - position + headerSize; } if (lbox < headerSize) { throw new JpxError('Invalid box field size'); } var dataLength = lbox - headerSize; var jumpDataLength = true; switch (tbox) { case 0x6A703268: jumpDataLength = false; break; case 0x636F6C72: var method = data[position]; if (method === 1) { var colorspace = (0, _util.readUint32)(data, position + 3); switch (colorspace) { case 16: case 17: case 18: break; default: (0, _util.warn)('Unknown colorspace ' + colorspace); break; } } else if (method === 2) { (0, _util.info)('ICC profile not supported'); } break; case 0x6A703263: this.parseCodestream(data, position, position + dataLength); break; case 0x6A502020: if ((0, _util.readUint32)(data, position) !== 0x0d0a870a) { (0, _util.warn)('Invalid JP2 signature'); } break; case 0x6A501A1A: case 0x66747970: case 0x72726571: case 0x72657320: case 0x69686472: break; default: var headerType = String.fromCharCode(tbox >> 24 & 0xFF, tbox >> 16 & 0xFF, tbox >> 8 & 0xFF, tbox & 0xFF); (0, _util.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; if (code === 0xFF51) { stream.skip(4); var Xsiz = stream.getInt32() >>> 0; var Ysiz = stream.getInt32() >>> 0; var XOsiz = stream.getInt32() >>> 0; var YOsiz = stream.getInt32() >>> 0; stream.skip(16); var Csiz = stream.getUint16(); this.width = Xsiz - XOsiz; this.height = Ysiz - YOsiz; this.componentsCount = Csiz; this.bitsPerComponent = 8; return; } } throw new JpxError('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 = (0, _util.readUint16)(data, position); position += 2; var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile; switch (code) { case 0xFF4F: context.mainHeader = true; break; case 0xFFD9: break; case 0xFF51: length = (0, _util.readUint16)(data, position); var siz = {}; siz.Xsiz = (0, _util.readUint32)(data, position + 4); siz.Ysiz = (0, _util.readUint32)(data, position + 8); siz.XOsiz = (0, _util.readUint32)(data, position + 12); siz.YOsiz = (0, _util.readUint32)(data, position + 16); siz.XTsiz = (0, _util.readUint32)(data, position + 20); siz.YTsiz = (0, _util.readUint32)(data, position + 24); siz.XTOsiz = (0, _util.readUint32)(data, position + 28); siz.YTOsiz = (0, _util.readUint32)(data, position + 32); var componentsCount = (0, _util.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 + 2] }; j += 3; calculateComponentDimensions(component, siz); components.push(component); } context.SIZ = siz; context.components = components; calculateTileGrids(context, components); context.QCC = []; context.COC = []; break; case 0xFF5C: length = (0, _util.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: length = (0, _util.readUint16)(data, position); var qcc = {}; j = position + 2; var cqcc; if (context.SIZ.Csiz < 257) { cqcc = data[j++]; } else { cqcc = (0, _util.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: length = (0, _util.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 = (0, _util.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.verticallyStripe = !!(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.verticallyStripe) { unsupported.push('verticallyStripe'); } 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: length = (0, _util.readUint16)(data, position); tile = {}; tile.index = (0, _util.readUint16)(data, position + 2); tile.length = (0, _util.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) { tile.COD = context.COD; tile.COC = context.COC.slice(0); tile.QCD = context.QCD; tile.QCC = context.QCC.slice(0); } context.currentTile = tile; break; case 0xFF93: tile = context.currentTile; if (tile.partIndex === 0) { initializeTile(context, tile.index); buildPackets(context); } length = tile.dataEnd - position; parseTilePackets(context, data, position, length); break; case 0xFF55: case 0xFF57: case 0xFF58: case 0xFF64: length = (0, _util.readUint16)(data, position); break; case 0xFF53: 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) { throw new JpxError(e.message); } else { (0, _util.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) { 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; 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; } 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) { var precinctWidth = 1 << dimensions.PPx; var precinctHeight = 1 << dimensions.PPy; 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) { 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); 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); 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 = []; var subbands = resolution.subbands; 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() { 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; } throw new JpxError('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() { 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; } throw new JpxError('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() { 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; } throw new JpxError('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() { 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; } throw new JpxError('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() { 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; } throw new JpxError('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; for (var c = 0; c < componentsCount; c++) { var component = tile.components[c]; var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount; 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) { 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 = []; 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; } 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: throw new JpxError("Unsupported progression order ".concat(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)) { 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 { precinct = codeblock.precinct; var inclusionTree, zeroBitPlanesTree; if (precinct['inclusionTree'] !== undefined) { inclusionTree = precinct.inclusionTree; } else { 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 = (0, _util.log2)(codingpasses); 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; 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; } var decoder = new _arithmetic_decoder.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; var interleave = subband.type !== 'LL'; for (j = 0; j < blockHeight; j++) { var row = offset / width | 0; 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; var coefficients = new Float32Array(width * height); for (var j = 0, jj = resolution.subbands.length; j < jj; j++) { var mu, epsilon; if (!scalarExpounded) { 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]; var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048); var mb = guardBits + epsilon - 1; 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 Uint8ClampedArray(tile0.items.length * componentsCount); var result = { left: tile0.left, top: tile0.top, width: tile0.width, height: tile0.height, items: out }; var shift, offset; var pos = 0, j, jj, y0, y1, y2; 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; shift = components[0].precision - 8; offset = (128 << shift) + 0.5; var component0 = tile.components[0]; var alpha01 = componentsCount - 3; jj = y0items.length; if (!component0.codingStyleParameters.reversibleTransformation) { for (j = 0; j < jj; j++, pos += alpha01) { y0 = y0items[j] + offset; y1 = y1items[j]; y2 = y2items[j]; out[pos++] = y0 + 1.402 * y2 >> shift; out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift; out[pos++] = y0 + 1.772 * y1 >> shift; } } else { for (j = 0; j < jj; j++, pos += alpha01) { y0 = y0items[j] + offset; y1 = y1items[j]; y2 = y2items[j]; var g = y0 - (y2 + y1 >> 2); out[pos++] = g + y2 >> shift; out[pos++] = g >> shift; out[pos++] = g + y1 >> shift; } } if (fourComponents) { for (j = 0, pos = 3; j < jj; j++, pos += 4) { out[pos] = y3items[j] + offset >> shift; } } } else { for (c = 0; c < componentsCount; c++) { var items = transformedTiles[c].items; shift = components[c].precision - 8; offset = (128 << shift) + 0.5; for (pos = c, j = 0, jj = items.length; j < jj; j++) { out[pos] = items[j] + 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; } var TagTree = function TagTreeClosure() { function TagTree(width, height) { var levelsLength = (0, _util.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 = (0, _util.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; 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; }(); var BitModel = function BitModelClosure() { var UNIFORM_CONTEXT = 17; var RUNLENGTH_CONTEXT = 18; 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; 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() { this.contexts = new Int8Array(19); 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; } 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; 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; 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) { if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) { continue; } var contextLabel = 16; if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) { processingFlags[index] ^= firstMagnitudeBitMask; 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; 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; } 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) { throw new JpxError('Invalid segmentation symbol'); } } }; return BitModel; }(); 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) { 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; 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]; } } llItems = ll.items = null; var bufferPadding = 4; var rowBuffer = new Float32Array(width + 2 * bufferPadding); if (width === 1) { 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); } } 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; if (height === 1) { if ((v0 & 1) !== 0) { for (u = 0; u < width; u++) { items[u] *= 0.5; } } } else { for (u = 0; u < width; u++) { 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 (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; }(); 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; j = offset - 3; for (n = len + 4; n--; j += 2) { x[j] *= K_; } 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; } } 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; } } 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; } } 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; }(); 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; /***/ }) /******/ ]); }); //# sourceMappingURL=pdf.image_decoders.js.map