diff --git a/layouts/shortcodes/embed-pdf.html b/layouts/shortcodes/embed-pdf.html new file mode 100644 index 0000000..b15a498 --- /dev/null +++ b/layouts/shortcodes/embed-pdf.html @@ -0,0 +1,204 @@ + + + +
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+ + diff --git a/static/js/pdf.js b/static/js/pdf.js new file mode 100644 index 0000000..f7d6960 --- /dev/null +++ b/static/js/pdf.js @@ -0,0 +1,13421 @@ +/** + * @licstart The following is the entire license notice for the + * Javascript code in this page + * + * Copyright 2020 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/build/pdf", [], factory); + else if(typeof exports === 'object') + exports["pdfjs-dist/build/pdf"] = factory(); + else + root["pdfjs-dist/build/pdf"] = root.pdfjsLib = 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"; + + +var pdfjsVersion = '2.4.456'; +var pdfjsBuild = '228a591c'; + +var pdfjsSharedUtil = __w_pdfjs_require__(1); + +var pdfjsDisplayAPI = __w_pdfjs_require__(3); + +var pdfjsDisplayTextLayer = __w_pdfjs_require__(16); + +var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(17); + +var pdfjsDisplayDisplayUtils = __w_pdfjs_require__(4); + +var pdfjsDisplaySVG = __w_pdfjs_require__(18); + +const pdfjsDisplayWorkerOptions = __w_pdfjs_require__(10); + +const pdfjsDisplayAPICompatibility = __w_pdfjs_require__(6); + +{ + const { + isNodeJS + } = __w_pdfjs_require__(7); + + if (isNodeJS) { + const PDFNodeStream = __w_pdfjs_require__(19).PDFNodeStream; + + pdfjsDisplayAPI.setPDFNetworkStreamFactory(params => { + return new PDFNodeStream(params); + }); + } else { + const PDFNetworkStream = __w_pdfjs_require__(22).PDFNetworkStream; + + let PDFFetchStream; + + if (pdfjsDisplayDisplayUtils.isFetchSupported()) { + PDFFetchStream = __w_pdfjs_require__(23).PDFFetchStream; + } + + pdfjsDisplayAPI.setPDFNetworkStreamFactory(params => { + if (PDFFetchStream && pdfjsDisplayDisplayUtils.isValidFetchUrl(params.url)) { + return new PDFFetchStream(params); + } + + return new PDFNetworkStream(params); + }); + } +} +exports.build = pdfjsDisplayAPI.build; +exports.version = pdfjsDisplayAPI.version; +exports.getDocument = pdfjsDisplayAPI.getDocument; +exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort; +exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport; +exports.PDFWorker = pdfjsDisplayAPI.PDFWorker; +exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer; +exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer; +exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability; +exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses; +exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException; +exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException; +exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics; +exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding; +exports.CMapCompressionType = pdfjsSharedUtil.CMapCompressionType; +exports.PermissionFlag = pdfjsSharedUtil.PermissionFlag; +exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException; +exports.OPS = pdfjsSharedUtil.OPS; +exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel; +exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES; +exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl; +exports.createObjectURL = pdfjsSharedUtil.createObjectURL; +exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters; +exports.shadow = pdfjsSharedUtil.shadow; +exports.Util = pdfjsSharedUtil.Util; +exports.RenderingCancelledException = pdfjsDisplayDisplayUtils.RenderingCancelledException; +exports.getFilenameFromUrl = pdfjsDisplayDisplayUtils.getFilenameFromUrl; +exports.LinkTarget = pdfjsDisplayDisplayUtils.LinkTarget; +exports.addLinkAttributes = pdfjsDisplayDisplayUtils.addLinkAttributes; +exports.loadScript = pdfjsDisplayDisplayUtils.loadScript; +exports.PDFDateString = pdfjsDisplayDisplayUtils.PDFDateString; +exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions; +exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams; + +/***/ }), +/* 1 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.arrayByteLength = arrayByteLength; +exports.arraysToBytes = arraysToBytes; +exports.assert = assert; +exports.bytesToString = bytesToString; +exports.createPromiseCapability = createPromiseCapability; +exports.getVerbosityLevel = getVerbosityLevel; +exports.info = info; +exports.isArrayBuffer = isArrayBuffer; +exports.isArrayEqual = isArrayEqual; +exports.isBool = isBool; +exports.isEmptyObj = isEmptyObj; +exports.isNum = isNum; +exports.isString = isString; +exports.isSameOrigin = isSameOrigin; +exports.createValidAbsoluteUrl = createValidAbsoluteUrl; +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; +exports.IsEvalSupportedCached = exports.IsLittleEndianCached = exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = exports.BaseException = void 0; + +__w_pdfjs_require__(2); + +const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0]; +exports.IDENTITY_MATRIX = IDENTITY_MATRIX; +const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0]; +exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX; +const NativeImageDecoding = { + NONE: "none", + DECODE: "decode", + DISPLAY: "display" +}; +exports.NativeImageDecoding = NativeImageDecoding; +const 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; +const 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; +const ImageKind = { + GRAYSCALE_1BPP: 1, + RGB_24BPP: 2, + RGBA_32BPP: 3 +}; +exports.ImageKind = ImageKind; +const 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; +const AnnotationStateModelType = { + MARKED: "Marked", + REVIEW: "Review" +}; +exports.AnnotationStateModelType = AnnotationStateModelType; +const AnnotationMarkedState = { + MARKED: "Marked", + UNMARKED: "Unmarked" +}; +exports.AnnotationMarkedState = AnnotationMarkedState; +const AnnotationReviewState = { + ACCEPTED: "Accepted", + REJECTED: "Rejected", + CANCELLED: "Cancelled", + COMPLETED: "Completed", + NONE: "None" +}; +exports.AnnotationReviewState = AnnotationReviewState; +const AnnotationReplyType = { + GROUP: "Group", + REPLY: "R" +}; +exports.AnnotationReplyType = AnnotationReplyType; +const AnnotationFlag = { + INVISIBLE: 0x01, + HIDDEN: 0x02, + PRINT: 0x04, + NOZOOM: 0x08, + NOROTATE: 0x10, + NOVIEW: 0x20, + READONLY: 0x40, + LOCKED: 0x80, + TOGGLENOVIEW: 0x100, + LOCKEDCONTENTS: 0x200 +}; +exports.AnnotationFlag = AnnotationFlag; +const 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; +const AnnotationBorderStyleType = { + SOLID: 1, + DASHED: 2, + BEVELED: 3, + INSET: 4, + UNDERLINE: 5 +}; +exports.AnnotationBorderStyleType = AnnotationBorderStyleType; +const StreamType = { + UNKNOWN: "UNKNOWN", + FLATE: "FLATE", + LZW: "LZW", + DCT: "DCT", + JPX: "JPX", + JBIG: "JBIG", + A85: "A85", + AHX: "AHX", + CCF: "CCF", + RLX: "RLX" +}; +exports.StreamType = StreamType; +const FontType = { + UNKNOWN: "UNKNOWN", + TYPE1: "TYPE1", + TYPE1C: "TYPE1C", + CIDFONTTYPE0: "CIDFONTTYPE0", + CIDFONTTYPE0C: "CIDFONTTYPE0C", + TRUETYPE: "TRUETYPE", + CIDFONTTYPE2: "CIDFONTTYPE2", + TYPE3: "TYPE3", + OPENTYPE: "OPENTYPE", + TYPE0: "TYPE0", + MMTYPE1: "MMTYPE1" +}; +exports.FontType = FontType; +const VerbosityLevel = { + ERRORS: 0, + WARNINGS: 1, + INFOS: 5 +}; +exports.VerbosityLevel = VerbosityLevel; +const CMapCompressionType = { + NONE: 0, + BINARY: 1, + STREAM: 2 +}; +exports.CMapCompressionType = CMapCompressionType; +const 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; +const UNSUPPORTED_FEATURES = { + unknown: "unknown", + forms: "forms", + javaScript: "javaScript", + smask: "smask", + shadingPattern: "shadingPattern", + font: "font" +}; +exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES; +const PasswordResponses = { + NEED_PASSWORD: 1, + INCORRECT_PASSWORD: 2 +}; +exports.PasswordResponses = PasswordResponses; +let 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 unreachable(msg) { + throw new Error(msg); +} + +function assert(cond, msg) { + if (!cond) { + unreachable(msg); + } +} + +function isSameOrigin(baseUrl, otherUrl) { + let base; + + try { + base = new URL(baseUrl); + + if (!base.origin || base.origin === "null") { + return false; + } + } catch (e) { + return false; + } + + const other = new 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 { + const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url); + + if (_isValidProtocol(absoluteUrl)) { + return absoluteUrl; + } + } catch (ex) {} + + return null; +} + +function shadow(obj, prop, value) { + Object.defineProperty(obj, prop, { + value, + enumerable: true, + configurable: true, + writable: false + }); + return value; +} + +const BaseException = function BaseExceptionClosure() { + function BaseException(message) { + if (this.constructor === BaseException) { + unreachable("Cannot initialize BaseException."); + } + + this.message = message; + this.name = this.constructor.name; + } + + BaseException.prototype = new Error(); + BaseException.constructor = BaseException; + return BaseException; +}(); + +exports.BaseException = BaseException; + +class PasswordException extends BaseException { + constructor(msg, code) { + super(msg); + this.code = code; + } + +} + +exports.PasswordException = PasswordException; + +class UnknownErrorException extends BaseException { + constructor(msg, details) { + super(msg); + this.details = details; + } + +} + +exports.UnknownErrorException = UnknownErrorException; + +class InvalidPDFException extends BaseException {} + +exports.InvalidPDFException = InvalidPDFException; + +class MissingPDFException extends BaseException {} + +exports.MissingPDFException = MissingPDFException; + +class UnexpectedResponseException extends BaseException { + constructor(msg, status) { + super(msg); + this.status = status; + } + +} + +exports.UnexpectedResponseException = UnexpectedResponseException; + +class FormatError extends BaseException {} + +exports.FormatError = FormatError; + +class AbortException extends BaseException {} + +exports.AbortException = AbortException; +const 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"); + const length = bytes.length; + const MAX_ARGUMENT_COUNT = 8192; + + if (length < MAX_ARGUMENT_COUNT) { + return String.fromCharCode.apply(null, bytes); + } + + const strBuf = []; + + for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) { + const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length); + const 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"); + const length = str.length; + const bytes = new Uint8Array(length); + + for (let 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) { + const length = arr.length; + + if (length === 1 && arr[0] instanceof Uint8Array) { + return arr[0]; + } + + let resultLength = 0; + + for (let i = 0; i < length; i++) { + resultLength += arrayByteLength(arr[i]); + } + + let pos = 0; + const data = new Uint8Array(resultLength); + + for (let i = 0; i < length; i++) { + let item = arr[i]; + + if (!(item instanceof Uint8Array)) { + if (typeof item === "string") { + item = stringToBytes(item); + } else { + item = new Uint8Array(item); + } + } + + const 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 isLittleEndian() { + const buffer8 = new Uint8Array(4); + buffer8[0] = 1; + const view32 = new Uint32Array(buffer8.buffer, 0, 1); + return view32[0] === 1; +} + +const IsLittleEndianCached = { + get value() { + return shadow(this, "value", isLittleEndian()); + } + +}; +exports.IsLittleEndianCached = IsLittleEndianCached; + +function isEvalSupported() { + try { + new Function(""); + return true; + } catch (e) { + return false; + } +} + +const IsEvalSupportedCached = { + get value() { + return shadow(this, "value", isEvalSupported()); + } + +}; +exports.IsEvalSupportedCached = IsEvalSupportedCached; +const rgbBuf = ["rgb(", 0, ",", 0, ",", 0, ")"]; + +class Util { + static makeCssRgb(r, g, b) { + rgbBuf[1] = r; + rgbBuf[3] = g; + rgbBuf[5] = b; + return rgbBuf.join(""); + } + + static 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]]; + } + + static applyTransform(p, m) { + const xt = p[0] * m[0] + p[1] * m[2] + m[4]; + const yt = p[0] * m[1] + p[1] * m[3] + m[5]; + return [xt, yt]; + } + + static applyInverseTransform(p, m) { + const d = m[0] * m[3] - m[1] * m[2]; + const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d; + const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d; + return [xt, yt]; + } + + static getAxialAlignedBoundingBox(r, m) { + const p1 = Util.applyTransform(r, m); + const p2 = Util.applyTransform(r.slice(2, 4), m); + const p3 = Util.applyTransform([r[0], r[3]], m); + const 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])]; + } + + static inverseTransform(m) { + const 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]; + } + + static 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]]; + } + + static singularValueDecompose2dScale(m) { + const transpose = [m[0], m[2], m[1], m[3]]; + const a = m[0] * transpose[0] + m[1] * transpose[2]; + const b = m[0] * transpose[1] + m[1] * transpose[3]; + const c = m[2] * transpose[0] + m[3] * transpose[2]; + const d = m[2] * transpose[1] + m[3] * transpose[3]; + const first = (a + d) / 2; + const second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2; + const sx = first + second || 1; + const sy = first - second || 1; + return [Math.sqrt(sx), Math.sqrt(sy)]; + } + + static normalizeRect(rect) { + const 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; + } + + static intersect(rect1, rect2) { + function compare(a, b) { + return a - b; + } + + const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare); + const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare); + const 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 null; + } + + 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 null; + } + + return result; + } + +} + +exports.Util = Util; +const 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) { + const length = str.length, + strBuf = []; + + if (str[0] === "\xFE" && str[1] === "\xFF") { + for (let i = 2; i < length; i += 2) { + strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1))); + } + } else if (str[0] === "\xFF" && str[1] === "\xFE") { + for (let i = 2; i < length; i += 2) { + strBuf.push(String.fromCharCode(str.charCodeAt(i + 1) << 8 | str.charCodeAt(i))); + } + } else { + for (let i = 0; i < length; ++i) { + const 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 (const 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 isArrayEqual(arr1, arr2) { + if (arr1.length !== arr2.length) { + return false; + } + + return arr1.every(function (element, index) { + return element === arr2[index]; + }); +} + +function createPromiseCapability() { + const capability = Object.create(null); + let isSettled = false; + Object.defineProperty(capability, "settled", { + 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; +} + +const createObjectURL = function createObjectURLClosure() { + const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; + return function createObjectURL(data, contentType, forceDataSchema = false) { + if (!forceDataSchema && URL.createObjectURL) { + const blob = new Blob([data], { + type: contentType + }); + return URL.createObjectURL(blob); + } + + let buffer = `data:${contentType};base64,`; + + for (let i = 0, ii = data.length; i < ii; i += 3) { + const b1 = data[i] & 0xff; + const b2 = data[i + 1] & 0xff; + const b3 = data[i + 2] & 0xff; + const d1 = b1 >> 2, + d2 = (b1 & 3) << 4 | b2 >> 4; + const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64; + const 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"; + + +; + +/***/ }), +/* 3 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.getDocument = getDocument; +exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory; +exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0; + +var _util = __w_pdfjs_require__(1); + +var _display_utils = __w_pdfjs_require__(4); + +var _font_loader = __w_pdfjs_require__(5); + +var _api_compatibility = __w_pdfjs_require__(6); + +var _canvas = __w_pdfjs_require__(8); + +var _worker_options = __w_pdfjs_require__(10); + +var _is_node = __w_pdfjs_require__(7); + +var _message_handler = __w_pdfjs_require__(11); + +var _metadata = __w_pdfjs_require__(12); + +var _transport_stream = __w_pdfjs_require__(14); + +var _webgl = __w_pdfjs_require__(15); + +const DEFAULT_RANGE_CHUNK_SIZE = 65536; +const RENDERING_CANCELLED_TIMEOUT = 100; +let createPDFNetworkStream; + +function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) { + createPDFNetworkStream = pdfNetworkStreamFactory; +} + +function getDocument(src) { + const task = new PDFDocumentLoadingTask(); + let source; + + if (typeof src === "string") { + source = { + url: src + }; + } else if ((0, _util.isArrayBuffer)(src)) { + source = { + data: src + }; + } else if (src instanceof PDFDataRangeTransport) { + source = { + range: src + }; + } else { + if (typeof src !== "object") { + throw new Error("Invalid parameter in getDocument, " + "need either Uint8Array, string or a parameter object"); + } + + if (!src.url && !src.data && !src.range) { + throw new Error("Invalid parameter object: need either .data, .range or .url"); + } + + source = src; + } + + const params = Object.create(null); + let rangeTransport = null, + worker = null; + + for (const key in source) { + if (key === "url" && typeof window !== "undefined") { + params[key] = new URL(source[key], window.location).href; + continue; + } else if (key === "range") { + rangeTransport = source[key]; + continue; + } else if (key === "worker") { + worker = source[key]; + continue; + } else if (key === "data" && !(source[key] instanceof Uint8Array)) { + const pdfBytes = source[key]; + + if (typeof pdfBytes === "string") { + params[key] = (0, _util.stringToBytes)(pdfBytes); + } else if (typeof pdfBytes === "object" && pdfBytes !== null && !isNaN(pdfBytes.length)) { + params[key] = new Uint8Array(pdfBytes); + } else if ((0, _util.isArrayBuffer)(pdfBytes)) { + params[key] = new Uint8Array(pdfBytes); + } else { + throw new Error("Invalid PDF binary data: either typed array, " + "string or array-like object is expected in the " + "data property."); + } + + continue; + } + + params[key] = source[key]; + } + + params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; + params.CMapReaderFactory = params.CMapReaderFactory || _display_utils.DOMCMapReaderFactory; + params.ignoreErrors = params.stopAtErrors !== true; + params.pdfBug = params.pdfBug === true; + const NativeImageDecoderValues = Object.values(_util.NativeImageDecoding); + + if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) { + params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE; + } + + if (!Number.isInteger(params.maxImageSize)) { + params.maxImageSize = -1; + } + + if (typeof params.isEvalSupported !== "boolean") { + params.isEvalSupported = true; + } + + if (typeof params.disableFontFace !== "boolean") { + params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false; + } + + if (typeof params.disableRange !== "boolean") { + params.disableRange = false; + } + + if (typeof params.disableStream !== "boolean") { + params.disableStream = false; + } + + if (typeof params.disableAutoFetch !== "boolean") { + params.disableAutoFetch = false; + } + + if (typeof params.disableCreateObjectURL !== "boolean") { + params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false; + } + + (0, _util.setVerbosityLevel)(params.verbosity); + + if (!worker) { + const workerParams = { + verbosity: params.verbosity, + port: _worker_options.GlobalWorkerOptions.workerPort + }; + worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams); + task._worker = worker; + } + + const docId = task.docId; + worker.promise.then(function () { + if (task.destroyed) { + throw new Error("Loading aborted"); + } + + return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) { + if (task.destroyed) { + throw new Error("Loading aborted"); + } + + let networkStream; + + if (rangeTransport) { + networkStream = new _transport_stream.PDFDataTransportStream({ + length: params.length, + initialData: params.initialData, + progressiveDone: params.progressiveDone, + disableRange: params.disableRange, + disableStream: params.disableStream + }, rangeTransport); + } else if (!params.data) { + networkStream = createPDFNetworkStream({ + url: params.url, + length: params.length, + httpHeaders: params.httpHeaders, + withCredentials: params.withCredentials, + rangeChunkSize: params.rangeChunkSize, + disableRange: params.disableRange, + disableStream: params.disableStream + }); + } + + const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port); + messageHandler.postMessageTransfers = worker.postMessageTransfers; + const transport = new WorkerTransport(messageHandler, task, networkStream, params); + task._transport = transport; + messageHandler.send("Ready", null); + }); + }).catch(task._capability.reject); + return task; +} + +function _fetchDocument(worker, source, pdfDataRangeTransport, docId) { + if (worker.destroyed) { + return Promise.reject(new Error("Worker was destroyed")); + } + + if (pdfDataRangeTransport) { + source.length = pdfDataRangeTransport.length; + source.initialData = pdfDataRangeTransport.initialData; + source.progressiveDone = pdfDataRangeTransport.progressiveDone; + } + + return worker.messageHandler.sendWithPromise("GetDocRequest", { + docId, + apiVersion: '2.4.456', + source: { + data: source.data, + url: source.url, + password: source.password, + disableAutoFetch: source.disableAutoFetch, + rangeChunkSize: source.rangeChunkSize, + length: source.length + }, + maxImageSize: source.maxImageSize, + disableFontFace: source.disableFontFace, + disableCreateObjectURL: source.disableCreateObjectURL, + postMessageTransfers: worker.postMessageTransfers, + docBaseUrl: source.docBaseUrl, + nativeImageDecoderSupport: source.nativeImageDecoderSupport, + ignoreErrors: source.ignoreErrors, + isEvalSupported: source.isEvalSupported + }).then(function (workerId) { + if (worker.destroyed) { + throw new Error("Worker was destroyed"); + } + + return workerId; + }); +} + +const PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() { + let nextDocumentId = 0; + + class PDFDocumentLoadingTask { + constructor() { + this._capability = (0, _util.createPromiseCapability)(); + this._transport = null; + this._worker = null; + this.docId = "d" + nextDocumentId++; + this.destroyed = false; + this.onPassword = null; + this.onProgress = null; + this.onUnsupportedFeature = null; + } + + get promise() { + return this._capability.promise; + } + + destroy() { + this.destroyed = true; + const transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy(); + return transportDestroyed.then(() => { + this._transport = null; + + if (this._worker) { + this._worker.destroy(); + + this._worker = null; + } + }); + } + + then(onFulfilled, onRejected) { + throw new Error("Removed API method: " + "PDFDocumentLoadingTask.then, use the `promise` getter instead."); + } + + } + + return PDFDocumentLoadingTask; +}(); + +class PDFDataRangeTransport { + constructor(length, initialData, progressiveDone = false) { + this.length = length; + this.initialData = initialData; + this.progressiveDone = progressiveDone; + this._rangeListeners = []; + this._progressListeners = []; + this._progressiveReadListeners = []; + this._progressiveDoneListeners = []; + this._readyCapability = (0, _util.createPromiseCapability)(); + } + + addRangeListener(listener) { + this._rangeListeners.push(listener); + } + + addProgressListener(listener) { + this._progressListeners.push(listener); + } + + addProgressiveReadListener(listener) { + this._progressiveReadListeners.push(listener); + } + + addProgressiveDoneListener(listener) { + this._progressiveDoneListeners.push(listener); + } + + onDataRange(begin, chunk) { + for (const listener of this._rangeListeners) { + listener(begin, chunk); + } + } + + onDataProgress(loaded, total) { + this._readyCapability.promise.then(() => { + for (const listener of this._progressListeners) { + listener(loaded, total); + } + }); + } + + onDataProgressiveRead(chunk) { + this._readyCapability.promise.then(() => { + for (const listener of this._progressiveReadListeners) { + listener(chunk); + } + }); + } + + onDataProgressiveDone() { + this._readyCapability.promise.then(() => { + for (const listener of this._progressiveDoneListeners) { + listener(); + } + }); + } + + transportReady() { + this._readyCapability.resolve(); + } + + requestDataRange(begin, end) { + (0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange"); + } + + abort() {} + +} + +exports.PDFDataRangeTransport = PDFDataRangeTransport; + +class PDFDocumentProxy { + constructor(pdfInfo, transport) { + this._pdfInfo = pdfInfo; + this._transport = transport; + } + + get numPages() { + return this._pdfInfo.numPages; + } + + get fingerprint() { + return this._pdfInfo.fingerprint; + } + + getPage(pageNumber) { + return this._transport.getPage(pageNumber); + } + + getPageIndex(ref) { + return this._transport.getPageIndex(ref); + } + + getDestinations() { + return this._transport.getDestinations(); + } + + getDestination(id) { + return this._transport.getDestination(id); + } + + getPageLabels() { + return this._transport.getPageLabels(); + } + + getPageLayout() { + return this._transport.getPageLayout(); + } + + getPageMode() { + return this._transport.getPageMode(); + } + + getViewerPreferences() { + return this._transport.getViewerPreferences(); + } + + getOpenAction() { + return this._transport.getOpenAction(); + } + + getOpenActionDestination() { + (0, _display_utils.deprecated)("getOpenActionDestination, use getOpenAction instead."); + return this.getOpenAction().then(function (openAction) { + return openAction && openAction.dest ? openAction.dest : null; + }); + } + + getAttachments() { + return this._transport.getAttachments(); + } + + getJavaScript() { + return this._transport.getJavaScript(); + } + + getOutline() { + return this._transport.getOutline(); + } + + getPermissions() { + return this._transport.getPermissions(); + } + + getMetadata() { + return this._transport.getMetadata(); + } + + getData() { + return this._transport.getData(); + } + + getDownloadInfo() { + return this._transport.downloadInfoCapability.promise; + } + + getStats() { + return this._transport.getStats(); + } + + cleanup() { + return this._transport.startCleanup(); + } + + destroy() { + return this.loadingTask.destroy(); + } + + get loadingParams() { + return this._transport.loadingParams; + } + + get loadingTask() { + return this._transport.loadingTask; + } + +} + +exports.PDFDocumentProxy = PDFDocumentProxy; + +class PDFPageProxy { + constructor(pageIndex, pageInfo, transport, pdfBug = false) { + this._pageIndex = pageIndex; + this._pageInfo = pageInfo; + this._transport = transport; + this._stats = pdfBug ? new _display_utils.StatTimer() : null; + this._pdfBug = pdfBug; + this.commonObjs = transport.commonObjs; + this.objs = new PDFObjects(); + this.cleanupAfterRender = false; + this.pendingCleanup = false; + this.intentStates = Object.create(null); + this.destroyed = false; + } + + get pageNumber() { + return this._pageIndex + 1; + } + + get rotate() { + return this._pageInfo.rotate; + } + + get ref() { + return this._pageInfo.ref; + } + + get userUnit() { + return this._pageInfo.userUnit; + } + + get view() { + return this._pageInfo.view; + } + + getViewport({ + scale, + rotation = this.rotate, + offsetX = 0, + offsetY = 0, + dontFlip = false + } = {}) { + if (arguments.length > 1 || typeof arguments[0] === "number") { + throw new Error("PDFPageProxy.getViewport is called with obsolete arguments."); + } + + return new _display_utils.PageViewport({ + viewBox: this.view, + scale, + rotation, + offsetX, + offsetY, + dontFlip + }); + } + + getAnnotations({ + intent = null + } = {}) { + if (!this.annotationsPromise || this.annotationsIntent !== intent) { + this.annotationsPromise = this._transport.getAnnotations(this._pageIndex, intent); + this.annotationsIntent = intent; + } + + return this.annotationsPromise; + } + + render({ + canvasContext, + viewport, + intent = "display", + enableWebGL = false, + renderInteractiveForms = false, + transform = null, + imageLayer = null, + canvasFactory = null, + background = null + }) { + if (this._stats) { + this._stats.time("Overall"); + } + + const renderingIntent = intent === "print" ? "print" : "display"; + this.pendingCleanup = false; + + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + + const intentState = this.intentStates[renderingIntent]; + + if (intentState.streamReaderCancelTimeout) { + clearTimeout(intentState.streamReaderCancelTimeout); + intentState.streamReaderCancelTimeout = null; + } + + const canvasFactoryInstance = canvasFactory || new _display_utils.DOMCanvasFactory(); + const webGLContext = new _webgl.WebGLContext({ + enable: enableWebGL + }); + + if (!intentState.displayReadyCapability) { + intentState.displayReadyCapability = (0, _util.createPromiseCapability)(); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + if (this._stats) { + this._stats.time("Page Request"); + } + + this._pumpOperatorList({ + pageIndex: this._pageIndex, + intent: renderingIntent, + renderInteractiveForms: renderInteractiveForms === true + }); + } + + const complete = error => { + const i = intentState.renderTasks.indexOf(internalRenderTask); + + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + + if (this.cleanupAfterRender || renderingIntent === "print") { + this.pendingCleanup = true; + } + + this._tryCleanup(); + + if (error) { + internalRenderTask.capability.reject(error); + + this._abortOperatorList({ + intentState, + reason: error + }); + } else { + internalRenderTask.capability.resolve(); + } + + if (this._stats) { + this._stats.timeEnd("Rendering"); + + this._stats.timeEnd("Overall"); + } + }; + + const internalRenderTask = new InternalRenderTask({ + callback: complete, + params: { + canvasContext, + viewport, + transform, + imageLayer, + background + }, + objs: this.objs, + commonObjs: this.commonObjs, + operatorList: intentState.operatorList, + pageIndex: this._pageIndex, + canvasFactory: canvasFactoryInstance, + webGLContext, + useRequestAnimationFrame: renderingIntent !== "print", + pdfBug: this._pdfBug + }); + + if (!intentState.renderTasks) { + intentState.renderTasks = []; + } + + intentState.renderTasks.push(internalRenderTask); + const renderTask = internalRenderTask.task; + intentState.displayReadyCapability.promise.then(transparency => { + if (this.pendingCleanup) { + complete(); + return; + } + + if (this._stats) { + this._stats.time("Rendering"); + } + + internalRenderTask.initializeGraphics(transparency); + internalRenderTask.operatorListChanged(); + }).catch(complete); + return renderTask; + } + + getOperatorList() { + function operatorListChanged() { + if (intentState.operatorList.lastChunk) { + intentState.opListReadCapability.resolve(intentState.operatorList); + const i = intentState.renderTasks.indexOf(opListTask); + + if (i >= 0) { + intentState.renderTasks.splice(i, 1); + } + } + } + + const renderingIntent = "oplist"; + + if (!this.intentStates[renderingIntent]) { + this.intentStates[renderingIntent] = Object.create(null); + } + + const intentState = this.intentStates[renderingIntent]; + let opListTask; + + if (!intentState.opListReadCapability) { + opListTask = {}; + opListTask.operatorListChanged = operatorListChanged; + intentState.opListReadCapability = (0, _util.createPromiseCapability)(); + intentState.renderTasks = []; + intentState.renderTasks.push(opListTask); + intentState.operatorList = { + fnArray: [], + argsArray: [], + lastChunk: false + }; + + if (this._stats) { + this._stats.time("Page Request"); + } + + this._pumpOperatorList({ + pageIndex: this._pageIndex, + intent: renderingIntent + }); + } + + return intentState.opListReadCapability.promise; + } + + streamTextContent({ + normalizeWhitespace = false, + disableCombineTextItems = false + } = {}) { + const TEXT_CONTENT_CHUNK_SIZE = 100; + return this._transport.messageHandler.sendWithStream("GetTextContent", { + pageIndex: this._pageIndex, + normalizeWhitespace: normalizeWhitespace === true, + combineTextItems: disableCombineTextItems !== true + }, { + highWaterMark: TEXT_CONTENT_CHUNK_SIZE, + + size(textContent) { + return textContent.items.length; + } + + }); + } + + getTextContent(params = {}) { + const readableStream = this.streamTextContent(params); + return new Promise(function (resolve, reject) { + function pump() { + reader.read().then(function ({ + value, + done + }) { + if (done) { + resolve(textContent); + return; + } + + Object.assign(textContent.styles, value.styles); + textContent.items.push(...value.items); + pump(); + }, reject); + } + + const reader = readableStream.getReader(); + const textContent = { + items: [], + styles: Object.create(null) + }; + pump(); + }); + } + + _destroy() { + this.destroyed = true; + this._transport.pageCache[this._pageIndex] = null; + const waitOn = []; + Object.keys(this.intentStates).forEach(intent => { + const intentState = this.intentStates[intent]; + + this._abortOperatorList({ + intentState, + reason: new Error("Page was destroyed."), + force: true + }); + + if (intent === "oplist") { + return; + } + + intentState.renderTasks.forEach(function (renderTask) { + const renderCompleted = renderTask.capability.promise.catch(function () {}); + waitOn.push(renderCompleted); + renderTask.cancel(); + }); + }); + this.objs.clear(); + this.annotationsPromise = null; + this.pendingCleanup = false; + return Promise.all(waitOn); + } + + cleanup(resetStats = false) { + this.pendingCleanup = true; + return this._tryCleanup(resetStats); + } + + _tryCleanup(resetStats = false) { + if (!this.pendingCleanup || Object.keys(this.intentStates).some(intent => { + const intentState = this.intentStates[intent]; + return intentState.renderTasks.length !== 0 || !intentState.operatorList.lastChunk; + })) { + return false; + } + + Object.keys(this.intentStates).forEach(intent => { + delete this.intentStates[intent]; + }); + this.objs.clear(); + this.annotationsPromise = null; + + if (resetStats && this._stats) { + this._stats = new _display_utils.StatTimer(); + } + + this.pendingCleanup = false; + return true; + } + + _startRenderPage(transparency, intent) { + const intentState = this.intentStates[intent]; + + if (!intentState) { + return; + } + + if (this._stats) { + this._stats.timeEnd("Page Request"); + } + + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.resolve(transparency); + } + } + + _renderPageChunk(operatorListChunk, intentState) { + for (let i = 0, ii = operatorListChunk.length; i < ii; i++) { + intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]); + intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]); + } + + intentState.operatorList.lastChunk = operatorListChunk.lastChunk; + + for (let i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + + if (operatorListChunk.lastChunk) { + this._tryCleanup(); + } + } + + _pumpOperatorList(args) { + (0, _util.assert)(args.intent, 'PDFPageProxy._pumpOperatorList: Expected "intent" argument.'); + + const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", args); + + const reader = readableStream.getReader(); + const intentState = this.intentStates[args.intent]; + intentState.streamReader = reader; + + const pump = () => { + reader.read().then(({ + value, + done + }) => { + if (done) { + intentState.streamReader = null; + return; + } + + if (this._transport.destroyed) { + return; + } + + this._renderPageChunk(value, intentState); + + pump(); + }, reason => { + intentState.streamReader = null; + + if (this._transport.destroyed) { + return; + } + + if (intentState.operatorList) { + intentState.operatorList.lastChunk = true; + + for (let i = 0; i < intentState.renderTasks.length; i++) { + intentState.renderTasks[i].operatorListChanged(); + } + + this._tryCleanup(); + } + + if (intentState.displayReadyCapability) { + intentState.displayReadyCapability.reject(reason); + } else if (intentState.opListReadCapability) { + intentState.opListReadCapability.reject(reason); + } else { + throw reason; + } + }); + }; + + pump(); + } + + _abortOperatorList({ + intentState, + reason, + force = false + }) { + (0, _util.assert)(reason instanceof Error || typeof reason === "object" && reason !== null, 'PDFPageProxy._abortOperatorList: Expected "reason" argument.'); + + if (!intentState.streamReader) { + return; + } + + if (!force) { + if (intentState.renderTasks.length !== 0) { + return; + } + + if (reason instanceof _display_utils.RenderingCancelledException) { + intentState.streamReaderCancelTimeout = setTimeout(() => { + this._abortOperatorList({ + intentState, + reason, + force: true + }); + + intentState.streamReaderCancelTimeout = null; + }, RENDERING_CANCELLED_TIMEOUT); + return; + } + } + + intentState.streamReader.cancel(new _util.AbortException(reason && reason.message)); + intentState.streamReader = null; + + if (this._transport.destroyed) { + return; + } + + Object.keys(this.intentStates).some(intent => { + if (this.intentStates[intent] === intentState) { + delete this.intentStates[intent]; + return true; + } + + return false; + }); + this.cleanup(); + } + + get stats() { + return this._stats; + } + +} + +exports.PDFPageProxy = PDFPageProxy; + +class LoopbackPort { + constructor(defer = true) { + this._listeners = []; + this._defer = defer; + this._deferred = Promise.resolve(undefined); + } + + postMessage(obj, transfers) { + function cloneValue(value) { + if (typeof value !== "object" || value === null) { + return value; + } + + if (cloned.has(value)) { + return cloned.get(value); + } + + let buffer, result; + + if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) { + const transferable = transfers && transfers.includes(buffer); + + if (transferable) { + result = new value.constructor(buffer, value.byteOffset, value.byteLength); + } else { + result = new value.constructor(value); + } + + cloned.set(value, result); + return result; + } + + result = Array.isArray(value) ? [] : {}; + cloned.set(value, result); + + for (const i in value) { + let desc, + p = value; + + while (!(desc = Object.getOwnPropertyDescriptor(p, i))) { + p = Object.getPrototypeOf(p); + } + + if (typeof desc.value === "undefined") { + continue; + } + + if (typeof desc.value === "function") { + if (value.hasOwnProperty && value.hasOwnProperty(i)) { + throw new Error(`LoopbackPort.postMessage - cannot clone: ${value[i]}`); + } + + continue; + } + + result[i] = cloneValue(desc.value); + } + + return result; + } + + if (!this._defer) { + this._listeners.forEach(listener => { + listener.call(this, { + data: obj + }); + }); + + return; + } + + const cloned = new WeakMap(); + const e = { + data: cloneValue(obj) + }; + + this._deferred.then(() => { + this._listeners.forEach(listener => { + listener.call(this, e); + }); + }); + } + + addEventListener(name, listener) { + this._listeners.push(listener); + } + + removeEventListener(name, listener) { + const i = this._listeners.indexOf(listener); + + this._listeners.splice(i, 1); + } + + terminate() { + this._listeners.length = 0; + } + +} + +exports.LoopbackPort = LoopbackPort; + +const PDFWorker = function PDFWorkerClosure() { + const pdfWorkerPorts = new WeakMap(); + let isWorkerDisabled = false; + let fallbackWorkerSrc; + let nextFakeWorkerId = 0; + let fakeWorkerCapability; + + if (_is_node.isNodeJS && typeof require === "function") { + isWorkerDisabled = true; + fallbackWorkerSrc = "./pdf.worker.js"; + } else if (typeof document === "object" && "currentScript" in document) { + const pdfjsFilePath = document.currentScript && document.currentScript.src; + + if (pdfjsFilePath) { + fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2"); + } + } + + function getWorkerSrc() { + if (_worker_options.GlobalWorkerOptions.workerSrc) { + return _worker_options.GlobalWorkerOptions.workerSrc; + } + + if (typeof fallbackWorkerSrc !== "undefined") { + if (!_is_node.isNodeJS) { + (0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.'); + } + + return fallbackWorkerSrc; + } + + throw new Error('No "GlobalWorkerOptions.workerSrc" specified.'); + } + + function getMainThreadWorkerMessageHandler() { + let mainWorkerMessageHandler; + + try { + mainWorkerMessageHandler = globalThis.pdfjsWorker && globalThis.pdfjsWorker.WorkerMessageHandler; + } catch (ex) {} + + return mainWorkerMessageHandler || null; + } + + function setupFakeWorkerGlobal() { + if (fakeWorkerCapability) { + return fakeWorkerCapability.promise; + } + + fakeWorkerCapability = (0, _util.createPromiseCapability)(); + + const loader = async function () { + const mainWorkerMessageHandler = getMainThreadWorkerMessageHandler(); + + if (mainWorkerMessageHandler) { + return mainWorkerMessageHandler; + } + + if (_is_node.isNodeJS && typeof require === "function") { + const worker = eval("require")(getWorkerSrc()); + return worker.WorkerMessageHandler; + } + + await (0, _display_utils.loadScript)(getWorkerSrc()); + return window.pdfjsWorker.WorkerMessageHandler; + }; + + loader().then(fakeWorkerCapability.resolve, fakeWorkerCapability.reject); + return fakeWorkerCapability.promise; + } + + function createCDNWrapper(url) { + const wrapper = "importScripts('" + url + "');"; + return URL.createObjectURL(new Blob([wrapper])); + } + + class PDFWorker { + constructor({ + name = null, + port = null, + verbosity = (0, _util.getVerbosityLevel)() + } = {}) { + if (port && pdfWorkerPorts.has(port)) { + throw new Error("Cannot use more than one PDFWorker per port"); + } + + this.name = name; + this.destroyed = false; + this.postMessageTransfers = true; + this.verbosity = verbosity; + this._readyCapability = (0, _util.createPromiseCapability)(); + this._port = null; + this._webWorker = null; + this._messageHandler = null; + + if (port) { + pdfWorkerPorts.set(port, this); + + this._initializeFromPort(port); + + return; + } + + this._initialize(); + } + + get promise() { + return this._readyCapability.promise; + } + + get port() { + return this._port; + } + + get messageHandler() { + return this._messageHandler; + } + + _initializeFromPort(port) { + this._port = port; + this._messageHandler = new _message_handler.MessageHandler("main", "worker", port); + + this._messageHandler.on("ready", function () {}); + + this._readyCapability.resolve(); + } + + _initialize() { + if (typeof Worker !== "undefined" && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) { + let workerSrc = getWorkerSrc(); + + try { + if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) { + workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href); + } + + const worker = new Worker(workerSrc); + const messageHandler = new _message_handler.MessageHandler("main", "worker", worker); + + const terminateEarly = () => { + worker.removeEventListener("error", onWorkerError); + messageHandler.destroy(); + worker.terminate(); + + if (this.destroyed) { + this._readyCapability.reject(new Error("Worker was destroyed")); + } else { + this._setupFakeWorker(); + } + }; + + const onWorkerError = () => { + if (!this._webWorker) { + terminateEarly(); + } + }; + + worker.addEventListener("error", onWorkerError); + messageHandler.on("test", data => { + worker.removeEventListener("error", onWorkerError); + + if (this.destroyed) { + terminateEarly(); + return; + } + + if (data) { + this._messageHandler = messageHandler; + this._port = worker; + this._webWorker = worker; + + if (!data.supportTransfers) { + this.postMessageTransfers = false; + } + + this._readyCapability.resolve(); + + messageHandler.send("configure", { + verbosity: this.verbosity + }); + } else { + this._setupFakeWorker(); + + messageHandler.destroy(); + worker.terminate(); + } + }); + messageHandler.on("ready", data => { + worker.removeEventListener("error", onWorkerError); + + if (this.destroyed) { + terminateEarly(); + return; + } + + try { + sendTest(); + } catch (e) { + this._setupFakeWorker(); + } + }); + + const sendTest = () => { + const testObj = new Uint8Array([this.postMessageTransfers ? 255 : 0]); + + try { + messageHandler.send("test", testObj, [testObj.buffer]); + } catch (ex) { + (0, _util.warn)("Cannot use postMessage transfers."); + testObj[0] = 0; + messageHandler.send("test", testObj); + } + }; + + sendTest(); + return; + } catch (e) { + (0, _util.info)("The worker has been disabled."); + } + } + + this._setupFakeWorker(); + } + + _setupFakeWorker() { + if (!isWorkerDisabled) { + (0, _util.warn)("Setting up fake worker."); + isWorkerDisabled = true; + } + + setupFakeWorkerGlobal().then(WorkerMessageHandler => { + if (this.destroyed) { + this._readyCapability.reject(new Error("Worker was destroyed")); + + return; + } + + const port = new LoopbackPort(); + this._port = port; + const id = "fake" + nextFakeWorkerId++; + const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port); + WorkerMessageHandler.setup(workerHandler, port); + const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port); + this._messageHandler = messageHandler; + + this._readyCapability.resolve(); + + messageHandler.send("configure", { + verbosity: this.verbosity + }); + }).catch(reason => { + this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`)); + }); + } + + destroy() { + this.destroyed = true; + + if (this._webWorker) { + this._webWorker.terminate(); + + this._webWorker = null; + } + + pdfWorkerPorts.delete(this._port); + this._port = null; + + if (this._messageHandler) { + this._messageHandler.destroy(); + + this._messageHandler = null; + } + } + + static fromPort(params) { + if (!params || !params.port) { + throw new Error("PDFWorker.fromPort - invalid method signature."); + } + + if (pdfWorkerPorts.has(params.port)) { + return pdfWorkerPorts.get(params.port); + } + + return new PDFWorker(params); + } + + static getWorkerSrc() { + return getWorkerSrc(); + } + + } + + return PDFWorker; +}(); + +exports.PDFWorker = PDFWorker; + +class WorkerTransport { + constructor(messageHandler, loadingTask, networkStream, params) { + this.messageHandler = messageHandler; + this.loadingTask = loadingTask; + this.commonObjs = new PDFObjects(); + this.fontLoader = new _font_loader.FontLoader({ + docId: loadingTask.docId, + onUnsupportedFeature: this._onUnsupportedFeature.bind(this) + }); + this._params = params; + this.CMapReaderFactory = new params.CMapReaderFactory({ + baseUrl: params.cMapUrl, + isCompressed: params.cMapPacked + }); + this.destroyed = false; + this.destroyCapability = null; + this._passwordCapability = null; + this._networkStream = networkStream; + this._fullReader = null; + this._lastProgress = null; + this.pageCache = []; + this.pagePromises = []; + this.downloadInfoCapability = (0, _util.createPromiseCapability)(); + this.setupMessageHandler(); + } + + destroy() { + if (this.destroyCapability) { + return this.destroyCapability.promise; + } + + this.destroyed = true; + this.destroyCapability = (0, _util.createPromiseCapability)(); + + if (this._passwordCapability) { + this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback")); + } + + const waitOn = []; + this.pageCache.forEach(function (page) { + if (page) { + waitOn.push(page._destroy()); + } + }); + this.pageCache.length = 0; + this.pagePromises.length = 0; + const terminated = this.messageHandler.sendWithPromise("Terminate", null); + waitOn.push(terminated); + Promise.all(waitOn).then(() => { + this.fontLoader.clear(); + + if (this._networkStream) { + this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated.")); + } + + if (this.messageHandler) { + this.messageHandler.destroy(); + this.messageHandler = null; + } + + this.destroyCapability.resolve(); + }, this.destroyCapability.reject); + return this.destroyCapability.promise; + } + + setupMessageHandler() { + const { + messageHandler, + loadingTask + } = this; + messageHandler.on("GetReader", (data, sink) => { + (0, _util.assert)(this._networkStream); + this._fullReader = this._networkStream.getFullReader(); + + this._fullReader.onProgress = evt => { + this._lastProgress = { + loaded: evt.loaded, + total: evt.total + }; + }; + + sink.onPull = () => { + this._fullReader.read().then(function ({ + value, + done + }) { + if (done) { + sink.close(); + return; + } + + (0, _util.assert)((0, _util.isArrayBuffer)(value)); + sink.enqueue(new Uint8Array(value), 1, [value]); + }).catch(reason => { + sink.error(reason); + }); + }; + + sink.onCancel = reason => { + this._fullReader.cancel(reason); + }; + }); + messageHandler.on("ReaderHeadersReady", data => { + const headersCapability = (0, _util.createPromiseCapability)(); + const fullReader = this._fullReader; + fullReader.headersReady.then(() => { + if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) { + if (this._lastProgress && loadingTask.onProgress) { + loadingTask.onProgress(this._lastProgress); + } + + fullReader.onProgress = evt => { + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: evt.loaded, + total: evt.total + }); + } + }; + } + + headersCapability.resolve({ + isStreamingSupported: fullReader.isStreamingSupported, + isRangeSupported: fullReader.isRangeSupported, + contentLength: fullReader.contentLength + }); + }, headersCapability.reject); + return headersCapability.promise; + }); + messageHandler.on("GetRangeReader", (data, sink) => { + (0, _util.assert)(this._networkStream); + + const rangeReader = this._networkStream.getRangeReader(data.begin, data.end); + + if (!rangeReader) { + sink.close(); + return; + } + + sink.onPull = () => { + rangeReader.read().then(function ({ + value, + done + }) { + if (done) { + sink.close(); + return; + } + + (0, _util.assert)((0, _util.isArrayBuffer)(value)); + sink.enqueue(new Uint8Array(value), 1, [value]); + }).catch(reason => { + sink.error(reason); + }); + }; + + sink.onCancel = reason => { + rangeReader.cancel(reason); + }; + }); + messageHandler.on("GetDoc", ({ + pdfInfo + }) => { + this._numPages = pdfInfo.numPages; + + loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this)); + }); + messageHandler.on("DocException", function (ex) { + let reason; + + switch (ex.name) { + case "PasswordException": + reason = new _util.PasswordException(ex.message, ex.code); + break; + + case "InvalidPDFException": + reason = new _util.InvalidPDFException(ex.message); + break; + + case "MissingPDFException": + reason = new _util.MissingPDFException(ex.message); + break; + + case "UnexpectedResponseException": + reason = new _util.UnexpectedResponseException(ex.message, ex.status); + break; + + case "UnknownErrorException": + reason = new _util.UnknownErrorException(ex.message, ex.details); + break; + } + + loadingTask._capability.reject(reason); + }); + messageHandler.on("PasswordRequest", exception => { + this._passwordCapability = (0, _util.createPromiseCapability)(); + + if (loadingTask.onPassword) { + const updatePassword = password => { + this._passwordCapability.resolve({ + password + }); + }; + + try { + loadingTask.onPassword(updatePassword, exception.code); + } catch (ex) { + this._passwordCapability.reject(ex); + } + } else { + this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code)); + } + + return this._passwordCapability.promise; + }); + messageHandler.on("DataLoaded", data => { + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.length, + total: data.length + }); + } + + this.downloadInfoCapability.resolve(data); + }); + messageHandler.on("StartRenderPage", data => { + if (this.destroyed) { + return; + } + + const page = this.pageCache[data.pageIndex]; + + page._startRenderPage(data.transparency, data.intent); + }); + messageHandler.on("commonobj", data => { + if (this.destroyed) { + return; + } + + const [id, type, exportedData] = data; + + if (this.commonObjs.has(id)) { + return; + } + + switch (type) { + case "Font": + const params = this._params; + + if ("error" in exportedData) { + const exportedError = exportedData.error; + (0, _util.warn)(`Error during font loading: ${exportedError}`); + this.commonObjs.resolve(id, exportedError); + break; + } + + let fontRegistry = null; + + if (params.pdfBug && globalThis.FontInspector && globalThis.FontInspector.enabled) { + fontRegistry = { + registerFont(font, url) { + globalThis.FontInspector.fontAdded(font, url); + } + + }; + } + + const font = new _font_loader.FontFaceObject(exportedData, { + isEvalSupported: params.isEvalSupported, + disableFontFace: params.disableFontFace, + ignoreErrors: params.ignoreErrors, + onUnsupportedFeature: this._onUnsupportedFeature.bind(this), + fontRegistry + }); + this.fontLoader.bind(font).then(() => { + this.commonObjs.resolve(id, font); + }, reason => { + messageHandler.sendWithPromise("FontFallback", { + id + }).finally(() => { + this.commonObjs.resolve(id, font); + }); + }); + break; + + case "FontPath": + case "FontType3Res": + this.commonObjs.resolve(id, exportedData); + break; + + default: + throw new Error(`Got unknown common object type ${type}`); + } + }); + messageHandler.on("obj", data => { + if (this.destroyed) { + return undefined; + } + + const [id, pageIndex, type, imageData] = data; + const pageProxy = this.pageCache[pageIndex]; + + if (pageProxy.objs.has(id)) { + return undefined; + } + + switch (type) { + case "JpegStream": + return new Promise((resolve, reject) => { + const img = new Image(); + + img.onload = function () { + resolve(img); + }; + + img.onerror = function () { + reject(new Error("Error during JPEG image loading")); + (0, _display_utils.releaseImageResources)(img); + }; + + img.src = imageData; + }).then(img => { + pageProxy.objs.resolve(id, img); + }); + + case "Image": + pageProxy.objs.resolve(id, imageData); + const MAX_IMAGE_SIZE_TO_STORE = 8000000; + + if (imageData && "data" in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) { + pageProxy.cleanupAfterRender = true; + } + + break; + + default: + throw new Error(`Got unknown object type ${type}`); + } + + return undefined; + }); + messageHandler.on("DocProgress", data => { + if (this.destroyed) { + return; + } + + if (loadingTask.onProgress) { + loadingTask.onProgress({ + loaded: data.loaded, + total: data.total + }); + } + }); + messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this)); + messageHandler.on("JpegDecode", data => { + if (this.destroyed) { + return Promise.reject(new Error("Worker was destroyed")); + } + + if (typeof document === "undefined") { + return Promise.reject(new Error('"document" is not defined.')); + } + + const [imageUrl, components] = data; + + if (components !== 3 && components !== 1) { + return Promise.reject(new Error("Only 3 components or 1 component can be returned")); + } + + return new Promise(function (resolve, reject) { + const img = new Image(); + + img.onload = function () { + const { + width, + height + } = img; + const size = width * height; + const rgbaLength = size * 4; + const buf = new Uint8ClampedArray(size * components); + let tmpCanvas = document.createElement("canvas"); + tmpCanvas.width = width; + tmpCanvas.height = height; + let tmpCtx = tmpCanvas.getContext("2d"); + tmpCtx.drawImage(img, 0, 0); + const data = tmpCtx.getImageData(0, 0, width, height).data; + + if (components === 3) { + for (let i = 0, j = 0; i < rgbaLength; i += 4, j += 3) { + buf[j] = data[i]; + buf[j + 1] = data[i + 1]; + buf[j + 2] = data[i + 2]; + } + } else if (components === 1) { + for (let i = 0, j = 0; i < rgbaLength; i += 4, j++) { + buf[j] = data[i]; + } + } + + resolve({ + data: buf, + width, + height + }); + (0, _display_utils.releaseImageResources)(img); + tmpCanvas.width = 0; + tmpCanvas.height = 0; + tmpCanvas = null; + tmpCtx = null; + }; + + img.onerror = function () { + reject(new Error("JpegDecode failed to load image")); + (0, _display_utils.releaseImageResources)(img); + }; + + img.src = imageUrl; + }); + }); + messageHandler.on("FetchBuiltInCMap", (data, sink) => { + if (this.destroyed) { + sink.error(new Error("Worker was destroyed")); + return; + } + + let fetched = false; + + sink.onPull = () => { + if (fetched) { + sink.close(); + return; + } + + fetched = true; + this.CMapReaderFactory.fetch(data).then(function (builtInCMap) { + sink.enqueue(builtInCMap, 1, [builtInCMap.cMapData.buffer]); + }).catch(function (reason) { + sink.error(reason); + }); + }; + }); + } + + _onUnsupportedFeature({ + featureId + }) { + if (this.destroyed) { + return; + } + + if (this.loadingTask.onUnsupportedFeature) { + this.loadingTask.onUnsupportedFeature(featureId); + } + } + + getData() { + return this.messageHandler.sendWithPromise("GetData", null); + } + + getPage(pageNumber) { + if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) { + return Promise.reject(new Error("Invalid page request")); + } + + const pageIndex = pageNumber - 1; + + if (pageIndex in this.pagePromises) { + return this.pagePromises[pageIndex]; + } + + const promise = this.messageHandler.sendWithPromise("GetPage", { + pageIndex + }).then(pageInfo => { + if (this.destroyed) { + throw new Error("Transport destroyed"); + } + + const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug); + this.pageCache[pageIndex] = page; + return page; + }); + this.pagePromises[pageIndex] = promise; + return promise; + } + + getPageIndex(ref) { + return this.messageHandler.sendWithPromise("GetPageIndex", { + ref + }).catch(function (reason) { + return Promise.reject(new Error(reason)); + }); + } + + getAnnotations(pageIndex, intent) { + return this.messageHandler.sendWithPromise("GetAnnotations", { + pageIndex, + intent + }); + } + + getDestinations() { + return this.messageHandler.sendWithPromise("GetDestinations", null); + } + + getDestination(id) { + if (typeof id !== "string") { + return Promise.reject(new Error("Invalid destination request.")); + } + + return this.messageHandler.sendWithPromise("GetDestination", { + id + }); + } + + getPageLabels() { + return this.messageHandler.sendWithPromise("GetPageLabels", null); + } + + getPageLayout() { + return this.messageHandler.sendWithPromise("GetPageLayout", null); + } + + getPageMode() { + return this.messageHandler.sendWithPromise("GetPageMode", null); + } + + getViewerPreferences() { + return this.messageHandler.sendWithPromise("GetViewerPreferences", null); + } + + getOpenAction() { + return this.messageHandler.sendWithPromise("GetOpenAction", null); + } + + getAttachments() { + return this.messageHandler.sendWithPromise("GetAttachments", null); + } + + getJavaScript() { + return this.messageHandler.sendWithPromise("GetJavaScript", null); + } + + getOutline() { + return this.messageHandler.sendWithPromise("GetOutline", null); + } + + getPermissions() { + return this.messageHandler.sendWithPromise("GetPermissions", null); + } + + getMetadata() { + return this.messageHandler.sendWithPromise("GetMetadata", null).then(results => { + return { + info: results[0], + metadata: results[1] ? new _metadata.Metadata(results[1]) : null, + contentDispositionFilename: this._fullReader ? this._fullReader.filename : null + }; + }); + } + + getStats() { + return this.messageHandler.sendWithPromise("GetStats", null); + } + + startCleanup() { + return this.messageHandler.sendWithPromise("Cleanup", null).then(() => { + for (let i = 0, ii = this.pageCache.length; i < ii; i++) { + const page = this.pageCache[i]; + + if (page) { + const cleanupSuccessful = page.cleanup(); + + if (!cleanupSuccessful) { + throw new Error(`startCleanup: Page ${i + 1} is currently rendering.`); + } + } + } + + this.commonObjs.clear(); + this.fontLoader.clear(); + }); + } + + get loadingParams() { + const params = this._params; + return (0, _util.shadow)(this, "loadingParams", { + disableAutoFetch: params.disableAutoFetch, + disableCreateObjectURL: params.disableCreateObjectURL, + disableFontFace: params.disableFontFace, + nativeImageDecoderSupport: params.nativeImageDecoderSupport + }); + } + +} + +class PDFObjects { + constructor() { + this._objs = Object.create(null); + } + + _ensureObj(objId) { + if (this._objs[objId]) { + return this._objs[objId]; + } + + return this._objs[objId] = { + capability: (0, _util.createPromiseCapability)(), + data: null, + resolved: false + }; + } + + get(objId, callback = null) { + if (callback) { + this._ensureObj(objId).capability.promise.then(callback); + + return null; + } + + const obj = this._objs[objId]; + + if (!obj || !obj.resolved) { + throw new Error(`Requesting object that isn't resolved yet ${objId}.`); + } + + return obj.data; + } + + has(objId) { + const obj = this._objs[objId]; + return obj ? obj.resolved : false; + } + + resolve(objId, data) { + const obj = this._ensureObj(objId); + + obj.resolved = true; + obj.data = data; + obj.capability.resolve(data); + } + + clear() { + for (const objId in this._objs) { + const { + data + } = this._objs[objId]; + + if (typeof Image !== "undefined" && data instanceof Image) { + (0, _display_utils.releaseImageResources)(data); + } + } + + this._objs = Object.create(null); + } + +} + +class RenderTask { + constructor(internalRenderTask) { + this._internalRenderTask = internalRenderTask; + this.onContinue = null; + } + + get promise() { + return this._internalRenderTask.capability.promise; + } + + cancel() { + this._internalRenderTask.cancel(); + } + + then(onFulfilled, onRejected) { + throw new Error("Removed API method: " + "RenderTask.then, use the `promise` getter instead."); + } + +} + +const InternalRenderTask = function InternalRenderTaskClosure() { + const canvasInRendering = new WeakSet(); + + class InternalRenderTask { + constructor({ + callback, + params, + objs, + commonObjs, + operatorList, + pageIndex, + canvasFactory, + webGLContext, + useRequestAnimationFrame = false, + pdfBug = false + }) { + this.callback = callback; + this.params = params; + this.objs = objs; + this.commonObjs = commonObjs; + this.operatorListIdx = null; + this.operatorList = operatorList; + this._pageIndex = pageIndex; + this.canvasFactory = canvasFactory; + this.webGLContext = webGLContext; + this._pdfBug = pdfBug; + this.running = false; + this.graphicsReadyCallback = null; + this.graphicsReady = false; + this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined"; + this.cancelled = false; + this.capability = (0, _util.createPromiseCapability)(); + this.task = new RenderTask(this); + this._continueBound = this._continue.bind(this); + this._scheduleNextBound = this._scheduleNext.bind(this); + this._nextBound = this._next.bind(this); + this._canvas = params.canvasContext.canvas; + } + + initializeGraphics(transparency = false) { + if (this.cancelled) { + return; + } + + if (this._canvas) { + if (canvasInRendering.has(this._canvas)) { + throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed."); + } + + canvasInRendering.add(this._canvas); + } + + if (this._pdfBug && globalThis.StepperManager && globalThis.StepperManager.enabled) { + this.stepper = globalThis.StepperManager.create(this._pageIndex); + this.stepper.init(this.operatorList); + this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint(); + } + + const { + canvasContext, + viewport, + transform, + imageLayer, + background + } = this.params; + this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer); + this.gfx.beginDrawing({ + transform, + viewport, + transparency, + background + }); + this.operatorListIdx = 0; + this.graphicsReady = true; + + if (this.graphicsReadyCallback) { + this.graphicsReadyCallback(); + } + } + + cancel(error = null) { + this.running = false; + this.cancelled = true; + + if (this.gfx) { + this.gfx.endDrawing(); + } + + if (this._canvas) { + canvasInRendering.delete(this._canvas); + } + + this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas")); + } + + operatorListChanged() { + if (!this.graphicsReady) { + if (!this.graphicsReadyCallback) { + this.graphicsReadyCallback = this._continueBound; + } + + return; + } + + if (this.stepper) { + this.stepper.updateOperatorList(this.operatorList); + } + + if (this.running) { + return; + } + + this._continue(); + } + + _continue() { + this.running = true; + + if (this.cancelled) { + return; + } + + if (this.task.onContinue) { + this.task.onContinue(this._scheduleNextBound); + } else { + this._scheduleNext(); + } + } + + _scheduleNext() { + if (this._useRequestAnimationFrame) { + window.requestAnimationFrame(() => { + this._nextBound().catch(this.cancel.bind(this)); + }); + } else { + Promise.resolve().then(this._nextBound).catch(this.cancel.bind(this)); + } + } + + async _next() { + if (this.cancelled) { + return; + } + + this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper); + + if (this.operatorListIdx === this.operatorList.argsArray.length) { + this.running = false; + + if (this.operatorList.lastChunk) { + this.gfx.endDrawing(); + + if (this._canvas) { + canvasInRendering.delete(this._canvas); + } + + this.callback(); + } + } + } + + } + + return InternalRenderTask; +}(); + +const version = '2.4.456'; +exports.version = version; +const build = '228a591c'; +exports.build = build; + +/***/ }), +/* 4 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.addLinkAttributes = addLinkAttributes; +exports.getFilenameFromUrl = getFilenameFromUrl; +exports.isFetchSupported = isFetchSupported; +exports.isValidFetchUrl = isValidFetchUrl; +exports.loadScript = loadScript; +exports.deprecated = deprecated; +exports.releaseImageResources = releaseImageResources; +exports.PDFDateString = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0; + +var _util = __w_pdfjs_require__(1); + +const DEFAULT_LINK_REL = "noopener noreferrer nofollow"; +exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL; +const SVG_NS = "http://www.w3.org/2000/svg"; + +class DOMCanvasFactory { + create(width, height) { + if (width <= 0 || height <= 0) { + throw new Error("Invalid canvas size"); + } + + const canvas = document.createElement("canvas"); + const context = canvas.getContext("2d"); + canvas.width = width; + canvas.height = height; + return { + canvas, + context + }; + } + + reset(canvasAndContext, width, height) { + if (!canvasAndContext.canvas) { + throw new Error("Canvas is not specified"); + } + + if (width <= 0 || height <= 0) { + throw new Error("Invalid canvas size"); + } + + canvasAndContext.canvas.width = width; + canvasAndContext.canvas.height = height; + } + + destroy(canvasAndContext) { + if (!canvasAndContext.canvas) { + throw new Error("Canvas is not specified"); + } + + canvasAndContext.canvas.width = 0; + canvasAndContext.canvas.height = 0; + canvasAndContext.canvas = null; + canvasAndContext.context = null; + } + +} + +exports.DOMCanvasFactory = DOMCanvasFactory; + +class DOMCMapReaderFactory { + constructor({ + baseUrl = null, + isCompressed = false + }) { + this.baseUrl = baseUrl; + this.isCompressed = isCompressed; + } + + async fetch({ + name + }) { + if (!this.baseUrl) { + throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.'); + } + + if (!name) { + throw new Error("CMap name must be specified."); + } + + const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : ""); + const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE; + + if (isFetchSupported() && isValidFetchUrl(url, document.baseURI)) { + return fetch(url).then(async response => { + if (!response.ok) { + throw new Error(response.statusText); + } + + let cMapData; + + if (this.isCompressed) { + cMapData = new Uint8Array((await response.arrayBuffer())); + } else { + cMapData = (0, _util.stringToBytes)((await response.text())); + } + + return { + cMapData, + compressionType + }; + }).catch(reason => { + throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}` + `CMap at: ${url}`); + }); + } + + return new Promise((resolve, reject) => { + const request = new XMLHttpRequest(); + request.open("GET", url, true); + + if (this.isCompressed) { + request.responseType = "arraybuffer"; + } + + request.onreadystatechange = () => { + if (request.readyState !== XMLHttpRequest.DONE) { + return; + } + + if (request.status === 200 || request.status === 0) { + let cMapData; + + if (this.isCompressed && request.response) { + cMapData = new Uint8Array(request.response); + } else if (!this.isCompressed && request.responseText) { + cMapData = (0, _util.stringToBytes)(request.responseText); + } + + if (cMapData) { + resolve({ + cMapData, + compressionType + }); + return; + } + } + + reject(new Error(request.statusText)); + }; + + request.send(null); + }).catch(reason => { + throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}` + `CMap at: ${url}`); + }); + } + +} + +exports.DOMCMapReaderFactory = DOMCMapReaderFactory; + +class DOMSVGFactory { + create(width, height) { + (0, _util.assert)(width > 0 && height > 0, "Invalid SVG dimensions"); + const svg = document.createElementNS(SVG_NS, "svg:svg"); + svg.setAttribute("version", "1.1"); + svg.setAttribute("width", width + "px"); + svg.setAttribute("height", height + "px"); + svg.setAttribute("preserveAspectRatio", "none"); + svg.setAttribute("viewBox", "0 0 " + width + " " + height); + return svg; + } + + createElement(type) { + (0, _util.assert)(typeof type === "string", "Invalid SVG element type"); + return document.createElementNS(SVG_NS, type); + } + +} + +exports.DOMSVGFactory = DOMSVGFactory; + +class PageViewport { + constructor({ + viewBox, + scale, + rotation, + offsetX = 0, + offsetY = 0, + dontFlip = false + }) { + this.viewBox = viewBox; + this.scale = scale; + this.rotation = rotation; + this.offsetX = offsetX; + this.offsetY = offsetY; + const centerX = (viewBox[2] + viewBox[0]) / 2; + const centerY = (viewBox[3] + viewBox[1]) / 2; + let rotateA, rotateB, rotateC, rotateD; + rotation = rotation % 360; + rotation = rotation < 0 ? rotation + 360 : rotation; + + switch (rotation) { + case 180: + rotateA = -1; + rotateB = 0; + rotateC = 0; + rotateD = 1; + break; + + case 90: + rotateA = 0; + rotateB = 1; + rotateC = 1; + rotateD = 0; + break; + + case 270: + rotateA = 0; + rotateB = -1; + rotateC = -1; + rotateD = 0; + break; + + default: + rotateA = 1; + rotateB = 0; + rotateC = 0; + rotateD = -1; + break; + } + + if (dontFlip) { + rotateC = -rotateC; + rotateD = -rotateD; + } + + let offsetCanvasX, offsetCanvasY; + let width, height; + + if (rotateA === 0) { + offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX; + offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY; + width = Math.abs(viewBox[3] - viewBox[1]) * scale; + height = Math.abs(viewBox[2] - viewBox[0]) * scale; + } else { + offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX; + offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY; + width = Math.abs(viewBox[2] - viewBox[0]) * scale; + height = Math.abs(viewBox[3] - viewBox[1]) * scale; + } + + this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY]; + this.width = width; + this.height = height; + } + + clone({ + scale = this.scale, + rotation = this.rotation, + offsetX = this.offsetX, + offsetY = this.offsetY, + dontFlip = false + } = {}) { + return new PageViewport({ + viewBox: this.viewBox.slice(), + scale, + rotation, + offsetX, + offsetY, + dontFlip + }); + } + + convertToViewportPoint(x, y) { + return _util.Util.applyTransform([x, y], this.transform); + } + + convertToViewportRectangle(rect) { + const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform); + + const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform); + + return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]]; + } + + convertToPdfPoint(x, y) { + return _util.Util.applyInverseTransform([x, y], this.transform); + } + +} + +exports.PageViewport = PageViewport; + +class RenderingCancelledException extends _util.BaseException { + constructor(msg, type) { + super(msg); + this.type = type; + } + +} + +exports.RenderingCancelledException = RenderingCancelledException; +const LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 +}; +exports.LinkTarget = LinkTarget; + +function addLinkAttributes(link, { + url, + target, + rel, + enabled = true +} = {}) { + (0, _util.assert)(url && typeof url === "string", 'addLinkAttributes: A valid "url" parameter must provided.'); + const urlNullRemoved = (0, _util.removeNullCharacters)(url); + + if (enabled) { + link.href = link.title = urlNullRemoved; + } else { + link.href = ""; + link.title = `Disabled: ${urlNullRemoved}`; + + link.onclick = () => { + return false; + }; + } + + let targetStr = ""; + + switch (target) { + case LinkTarget.NONE: + break; + + case LinkTarget.SELF: + targetStr = "_self"; + break; + + case LinkTarget.BLANK: + targetStr = "_blank"; + break; + + case LinkTarget.PARENT: + targetStr = "_parent"; + break; + + case LinkTarget.TOP: + targetStr = "_top"; + break; + } + + link.target = targetStr; + link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL; +} + +function getFilenameFromUrl(url) { + const anchor = url.indexOf("#"); + const query = url.indexOf("?"); + const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length); + return url.substring(url.lastIndexOf("/", end) + 1, end); +} + +class StatTimer { + constructor() { + this.started = Object.create(null); + this.times = []; + } + + time(name) { + if (name in this.started) { + (0, _util.warn)(`Timer is already running for ${name}`); + } + + this.started[name] = Date.now(); + } + + timeEnd(name) { + if (!(name in this.started)) { + (0, _util.warn)(`Timer has not been started for ${name}`); + } + + this.times.push({ + name, + start: this.started[name], + end: Date.now() + }); + delete this.started[name]; + } + + toString() { + const outBuf = []; + let longest = 0; + + for (const time of this.times) { + const name = time.name; + + if (name.length > longest) { + longest = name.length; + } + } + + for (const time of this.times) { + const duration = time.end - time.start; + outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`); + } + + return outBuf.join(""); + } + +} + +exports.StatTimer = StatTimer; + +function isFetchSupported() { + return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype && typeof ReadableStream !== "undefined"; +} + +function isValidFetchUrl(url, baseUrl) { + try { + const { + protocol + } = baseUrl ? new URL(url, baseUrl) : new URL(url); + return protocol === "http:" || protocol === "https:"; + } catch (ex) { + return false; + } +} + +function loadScript(src) { + return new Promise((resolve, reject) => { + const script = document.createElement("script"); + script.src = src; + script.onload = resolve; + + script.onerror = function () { + reject(new Error(`Cannot load script at: ${script.src}`)); + }; + + (document.head || document.documentElement).appendChild(script); + }); +} + +function deprecated(details) { + console.log("Deprecated API usage: " + details); +} + +function releaseImageResources(img) { + (0, _util.assert)(img instanceof Image, "Invalid `img` parameter."); + const url = img.src; + + if (typeof url === "string" && url.startsWith("blob:") && URL.revokeObjectURL) { + URL.revokeObjectURL(url); + } + + img.removeAttribute("src"); +} + +let pdfDateStringRegex; + +class PDFDateString { + static toDateObject(input) { + if (!input || !(0, _util.isString)(input)) { + return null; + } + + if (!pdfDateStringRegex) { + pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?"); + } + + const matches = pdfDateStringRegex.exec(input); + + if (!matches) { + return null; + } + + const year = parseInt(matches[1], 10); + let month = parseInt(matches[2], 10); + month = month >= 1 && month <= 12 ? month - 1 : 0; + let day = parseInt(matches[3], 10); + day = day >= 1 && day <= 31 ? day : 1; + let hour = parseInt(matches[4], 10); + hour = hour >= 0 && hour <= 23 ? hour : 0; + let minute = parseInt(matches[5], 10); + minute = minute >= 0 && minute <= 59 ? minute : 0; + let second = parseInt(matches[6], 10); + second = second >= 0 && second <= 59 ? second : 0; + const universalTimeRelation = matches[7] || "Z"; + let offsetHour = parseInt(matches[8], 10); + offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0; + let offsetMinute = parseInt(matches[9], 10) || 0; + offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0; + + if (universalTimeRelation === "-") { + hour += offsetHour; + minute += offsetMinute; + } else if (universalTimeRelation === "+") { + hour -= offsetHour; + minute -= offsetMinute; + } + + return new Date(Date.UTC(year, month, day, hour, minute, second)); + } + +} + +exports.PDFDateString = PDFDateString; + +/***/ }), +/* 5 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.FontLoader = exports.FontFaceObject = void 0; + +var _util = __w_pdfjs_require__(1); + +class BaseFontLoader { + constructor({ + docId, + onUnsupportedFeature + }) { + if (this.constructor === BaseFontLoader) { + (0, _util.unreachable)("Cannot initialize BaseFontLoader."); + } + + this.docId = docId; + this._onUnsupportedFeature = onUnsupportedFeature; + this.nativeFontFaces = []; + this.styleElement = null; + } + + addNativeFontFace(nativeFontFace) { + this.nativeFontFaces.push(nativeFontFace); + document.fonts.add(nativeFontFace); + } + + insertRule(rule) { + let styleElement = this.styleElement; + + if (!styleElement) { + styleElement = this.styleElement = document.createElement("style"); + styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`; + document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement); + } + + const styleSheet = styleElement.sheet; + styleSheet.insertRule(rule, styleSheet.cssRules.length); + } + + clear() { + this.nativeFontFaces.forEach(function (nativeFontFace) { + document.fonts.delete(nativeFontFace); + }); + this.nativeFontFaces.length = 0; + + if (this.styleElement) { + this.styleElement.remove(); + this.styleElement = null; + } + } + + async bind(font) { + if (font.attached || font.missingFile) { + return; + } + + font.attached = true; + + if (this.isFontLoadingAPISupported) { + const nativeFontFace = font.createNativeFontFace(); + + if (nativeFontFace) { + this.addNativeFontFace(nativeFontFace); + + try { + await nativeFontFace.loaded; + } catch (ex) { + this._onUnsupportedFeature({ + featureId: _util.UNSUPPORTED_FEATURES.font + }); + + (0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`); + font.disableFontFace = true; + throw ex; + } + } + + return; + } + + const rule = font.createFontFaceRule(); + + if (rule) { + this.insertRule(rule); + + if (this.isSyncFontLoadingSupported) { + return; + } + + await new Promise(resolve => { + const request = this._queueLoadingCallback(resolve); + + this._prepareFontLoadEvent([rule], [font], request); + }); + } + } + + _queueLoadingCallback(callback) { + (0, _util.unreachable)("Abstract method `_queueLoadingCallback`."); + } + + get isFontLoadingAPISupported() { + const supported = typeof document !== "undefined" && !!document.fonts; + return (0, _util.shadow)(this, "isFontLoadingAPISupported", supported); + } + + get isSyncFontLoadingSupported() { + (0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`."); + } + + get _loadTestFont() { + (0, _util.unreachable)("Abstract method `_loadTestFont`."); + } + + _prepareFontLoadEvent(rules, fontsToLoad, request) { + (0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`."); + } + +} + +let FontLoader; +exports.FontLoader = FontLoader; +{ + exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader { + constructor(docId) { + super(docId); + this.loadingContext = { + requests: [], + nextRequestId: 0 + }; + this.loadTestFontId = 0; + } + + get isSyncFontLoadingSupported() { + let supported = false; + + if (typeof navigator === "undefined") { + supported = true; + } else { + const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent); + + if (m && m[1] >= 14) { + supported = true; + } + } + + return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported); + } + + _queueLoadingCallback(callback) { + function completeRequest() { + (0, _util.assert)(!request.done, "completeRequest() cannot be called twice."); + request.done = true; + + while (context.requests.length > 0 && context.requests[0].done) { + const otherRequest = context.requests.shift(); + setTimeout(otherRequest.callback, 0); + } + } + + const context = this.loadingContext; + const request = { + id: `pdfjs-font-loading-${context.nextRequestId++}`, + done: false, + complete: completeRequest, + callback + }; + context.requests.push(request); + return request; + } + + get _loadTestFont() { + const getLoadTestFont = function () { + return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA=="); + }; + + return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont()); + } + + _prepareFontLoadEvent(rules, fonts, request) { + function int32(data, offset) { + return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff; + } + + function spliceString(s, offset, remove, insert) { + const chunk1 = s.substring(0, offset); + const chunk2 = s.substring(offset + remove); + return chunk1 + insert + chunk2; + } + + let i, ii; + const canvas = document.createElement("canvas"); + canvas.width = 1; + canvas.height = 1; + const ctx = canvas.getContext("2d"); + let called = 0; + + function isFontReady(name, callback) { + called++; + + if (called > 30) { + (0, _util.warn)("Load test font never loaded."); + callback(); + return; + } + + ctx.font = "30px " + name; + ctx.fillText(".", 0, 20); + const imageData = ctx.getImageData(0, 0, 1, 1); + + if (imageData.data[3] > 0) { + callback(); + return; + } + + setTimeout(isFontReady.bind(null, name, callback)); + } + + const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`; + let data = this._loadTestFont; + const COMMENT_OFFSET = 976; + data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId); + const CFF_CHECKSUM_OFFSET = 16; + const XXXX_VALUE = 0x58585858; + let checksum = int32(data, CFF_CHECKSUM_OFFSET); + + for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) { + checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0; + } + + if (i < loadTestFontId.length) { + checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0; + } + + data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum)); + const url = `url(data:font/opentype;base64,${btoa(data)});`; + const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`; + this.insertRule(rule); + const names = []; + + for (i = 0, ii = fonts.length; i < ii; i++) { + names.push(fonts[i].loadedName); + } + + names.push(loadTestFontId); + const div = document.createElement("div"); + div.style.visibility = "hidden"; + div.style.width = div.style.height = "10px"; + div.style.position = "absolute"; + div.style.top = div.style.left = "0px"; + + for (i = 0, ii = names.length; i < ii; ++i) { + const span = document.createElement("span"); + span.textContent = "Hi"; + span.style.fontFamily = names[i]; + div.appendChild(span); + } + + document.body.appendChild(div); + isFontReady(loadTestFontId, function () { + document.body.removeChild(div); + request.complete(); + }); + } + + }; +} + +class FontFaceObject { + constructor(translatedData, { + isEvalSupported = true, + disableFontFace = false, + ignoreErrors = false, + onUnsupportedFeature = null, + fontRegistry = null + }) { + this.compiledGlyphs = Object.create(null); + + for (const i in translatedData) { + this[i] = translatedData[i]; + } + + this.isEvalSupported = isEvalSupported !== false; + this.disableFontFace = disableFontFace === true; + this.ignoreErrors = ignoreErrors === true; + this._onUnsupportedFeature = onUnsupportedFeature; + this.fontRegistry = fontRegistry; + } + + createNativeFontFace() { + if (!this.data || this.disableFontFace) { + return null; + } + + const nativeFontFace = new FontFace(this.loadedName, this.data, {}); + + if (this.fontRegistry) { + this.fontRegistry.registerFont(this); + } + + return nativeFontFace; + } + + createFontFaceRule() { + if (!this.data || this.disableFontFace) { + return null; + } + + const data = (0, _util.bytesToString)(new Uint8Array(this.data)); + const url = `url(data:${this.mimetype};base64,${btoa(data)});`; + const rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`; + + if (this.fontRegistry) { + this.fontRegistry.registerFont(this, url); + } + + return rule; + } + + getPathGenerator(objs, character) { + if (this.compiledGlyphs[character] !== undefined) { + return this.compiledGlyphs[character]; + } + + let cmds, current; + + try { + cmds = objs.get(this.loadedName + "_path_" + character); + } catch (ex) { + if (!this.ignoreErrors) { + throw ex; + } + + if (this._onUnsupportedFeature) { + this._onUnsupportedFeature({ + featureId: _util.UNSUPPORTED_FEATURES.font + }); + } + + (0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`); + return this.compiledGlyphs[character] = function (c, size) {}; + } + + if (this.isEvalSupported && _util.IsEvalSupportedCached.value) { + let args, + js = ""; + + for (let i = 0, ii = cmds.length; i < ii; i++) { + current = cmds[i]; + + if (current.args !== undefined) { + args = current.args.join(","); + } else { + args = ""; + } + + js += "c." + current.cmd + "(" + args + ");\n"; + } + + return this.compiledGlyphs[character] = new Function("c", "size", js); + } + + return this.compiledGlyphs[character] = function (c, size) { + for (let i = 0, ii = cmds.length; i < ii; i++) { + current = cmds[i]; + + if (current.cmd === "scale") { + current.args = [size, -size]; + } + + c[current.cmd].apply(c, current.args); + } + }; + } + +} + +exports.FontFaceObject = FontFaceObject; + +/***/ }), +/* 6 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +const compatibilityParams = Object.create(null); +{ + const { + isNodeJS + } = __w_pdfjs_require__(7); + + const userAgent = typeof navigator !== "undefined" && navigator.userAgent || ""; + const isIE = /Trident/.test(userAgent); + const isIOSChrome = /CriOS/.test(userAgent); + + (function checkOnBlobSupport() { + if (isIE || isIOSChrome) { + compatibilityParams.disableCreateObjectURL = true; + } + })(); + + (function checkFontFaceAndImage() { + if (isNodeJS) { + compatibilityParams.disableFontFace = true; + compatibilityParams.nativeImageDecoderSupport = "none"; + } + })(); +} +exports.apiCompatibilityParams = Object.freeze(compatibilityParams); + +/***/ }), +/* 7 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.isNodeJS = void 0; +const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions["nw"] && !process.versions["electron"]; +exports.isNodeJS = isNodeJS; + +/***/ }), +/* 8 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.CanvasGraphics = void 0; + +var _util = __w_pdfjs_require__(1); + +var _pattern_helper = __w_pdfjs_require__(9); + +var MIN_FONT_SIZE = 16; +var MAX_FONT_SIZE = 100; +var MAX_GROUP_SIZE = 4096; +var MIN_WIDTH_FACTOR = 0.65; +var COMPILE_TYPE3_GLYPHS = true; +var MAX_SIZE_TO_COMPILE = 1000; +var FULL_CHUNK_HEIGHT = 16; + +function addContextCurrentTransform(ctx) { + if (!ctx.mozCurrentTransform) { + ctx._originalSave = ctx.save; + ctx._originalRestore = ctx.restore; + ctx._originalRotate = ctx.rotate; + ctx._originalScale = ctx.scale; + ctx._originalTranslate = ctx.translate; + ctx._originalTransform = ctx.transform; + ctx._originalSetTransform = ctx.setTransform; + ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0]; + ctx._transformStack = []; + Object.defineProperty(ctx, "mozCurrentTransform", { + get: function getCurrentTransform() { + return this._transformMatrix; + } + }); + Object.defineProperty(ctx, "mozCurrentTransformInverse", { + get: function getCurrentTransformInverse() { + var m = this._transformMatrix; + var a = m[0], + b = m[1], + c = m[2], + d = m[3], + e = m[4], + f = m[5]; + var ad_bc = a * d - b * c; + var bc_ad = b * c - a * d; + return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc]; + } + }); + + ctx.save = function ctxSave() { + var old = this._transformMatrix; + + this._transformStack.push(old); + + this._transformMatrix = old.slice(0, 6); + + this._originalSave(); + }; + + ctx.restore = function ctxRestore() { + var prev = this._transformStack.pop(); + + if (prev) { + this._transformMatrix = prev; + + this._originalRestore(); + } + }; + + ctx.translate = function ctxTranslate(x, y) { + var m = this._transformMatrix; + m[4] = m[0] * x + m[2] * y + m[4]; + m[5] = m[1] * x + m[3] * y + m[5]; + + this._originalTranslate(x, y); + }; + + ctx.scale = function ctxScale(x, y) { + var m = this._transformMatrix; + m[0] = m[0] * x; + m[1] = m[1] * x; + m[2] = m[2] * y; + m[3] = m[3] * y; + + this._originalScale(x, y); + }; + + ctx.transform = function ctxTransform(a, b, c, d, e, f) { + var m = this._transformMatrix; + this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]]; + + ctx._originalTransform(a, b, c, d, e, f); + }; + + ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) { + this._transformMatrix = [a, b, c, d, e, f]; + + ctx._originalSetTransform(a, b, c, d, e, f); + }; + + ctx.rotate = function ctxRotate(angle) { + var cosValue = Math.cos(angle); + var sinValue = Math.sin(angle); + var m = this._transformMatrix; + this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]]; + + this._originalRotate(angle); + }; + } +} + +var CachedCanvases = function CachedCanvasesClosure() { + function CachedCanvases(canvasFactory) { + this.canvasFactory = canvasFactory; + this.cache = Object.create(null); + } + + CachedCanvases.prototype = { + getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) { + var canvasEntry; + + if (this.cache[id] !== undefined) { + canvasEntry = this.cache[id]; + this.canvasFactory.reset(canvasEntry, width, height); + canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0); + } else { + canvasEntry = this.canvasFactory.create(width, height); + this.cache[id] = canvasEntry; + } + + if (trackTransform) { + addContextCurrentTransform(canvasEntry.context); + } + + return canvasEntry; + }, + + clear() { + for (var id in this.cache) { + var canvasEntry = this.cache[id]; + this.canvasFactory.destroy(canvasEntry); + delete this.cache[id]; + } + } + + }; + return CachedCanvases; +}(); + +function compileType3Glyph(imgData) { + var POINT_TO_PROCESS_LIMIT = 1000; + var width = imgData.width, + height = imgData.height; + var i, + j, + j0, + width1 = width + 1; + var points = new Uint8Array(width1 * (height + 1)); + var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]); + var lineSize = width + 7 & ~7, + data0 = imgData.data; + var data = new Uint8Array(lineSize * height), + pos = 0, + ii; + + for (i = 0, ii = data0.length; i < ii; i++) { + var mask = 128, + elem = data0[i]; + + while (mask > 0) { + data[pos++] = elem & mask ? 0 : 255; + mask >>= 1; + } + } + + var count = 0; + pos = 0; + + if (data[pos] !== 0) { + points[0] = 1; + ++count; + } + + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j] = data[pos] ? 2 : 1; + ++count; + } + + pos++; + } + + if (data[pos] !== 0) { + points[j] = 2; + ++count; + } + + for (i = 1; i < height; i++) { + pos = i * lineSize; + j0 = i * width1; + + if (data[pos - lineSize] !== data[pos]) { + points[j0] = data[pos] ? 1 : 8; + ++count; + } + + var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0); + + for (j = 1; j < width; j++) { + sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0); + + if (POINT_TYPES[sum]) { + points[j0 + j] = POINT_TYPES[sum]; + ++count; + } + + pos++; + } + + if (data[pos - lineSize] !== data[pos]) { + points[j0 + j] = data[pos] ? 2 : 4; + ++count; + } + + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + } + + pos = lineSize * (height - 1); + j0 = i * width1; + + if (data[pos] !== 0) { + points[j0] = 8; + ++count; + } + + for (j = 1; j < width; j++) { + if (data[pos] !== data[pos + 1]) { + points[j0 + j] = data[pos] ? 4 : 8; + ++count; + } + + pos++; + } + + if (data[pos] !== 0) { + points[j0 + j] = 4; + ++count; + } + + if (count > POINT_TO_PROCESS_LIMIT) { + return null; + } + + var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]); + var outlines = []; + + for (i = 0; count && i <= height; i++) { + var p = i * width1; + var end = p + width; + + while (p < end && !points[p]) { + p++; + } + + if (p === end) { + continue; + } + + var coords = [p % width1, i]; + var type = points[p], + p0 = p, + pp; + + do { + var step = steps[type]; + + do { + p += step; + } while (!points[p]); + + pp = points[p]; + + if (pp !== 5 && pp !== 10) { + type = pp; + points[p] = 0; + } else { + type = pp & 0x33 * type >> 4; + points[p] &= type >> 2 | type << 2; + } + + coords.push(p % width1); + coords.push(p / width1 | 0); + + if (!points[p]) { + --count; + } + } while (p0 !== p); + + outlines.push(coords); + --i; + } + + var drawOutline = function (c) { + c.save(); + c.scale(1 / width, -1 / height); + c.translate(0, -height); + c.beginPath(); + + for (var i = 0, ii = outlines.length; i < ii; i++) { + var o = outlines[i]; + c.moveTo(o[0], o[1]); + + for (var j = 2, jj = o.length; j < jj; j += 2) { + c.lineTo(o[j], o[j + 1]); + } + } + + c.fill(); + c.beginPath(); + c.restore(); + }; + + return drawOutline; +} + +var CanvasExtraState = function CanvasExtraStateClosure() { + function CanvasExtraState() { + this.alphaIsShape = false; + this.fontSize = 0; + this.fontSizeScale = 1; + this.textMatrix = _util.IDENTITY_MATRIX; + this.textMatrixScale = 1; + this.fontMatrix = _util.FONT_IDENTITY_MATRIX; + this.leading = 0; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRenderingMode = _util.TextRenderingMode.FILL; + this.textRise = 0; + this.fillColor = "#000000"; + this.strokeColor = "#000000"; + this.patternFill = false; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.activeSMask = null; + this.resumeSMaskCtx = null; + } + + CanvasExtraState.prototype = { + clone: function CanvasExtraState_clone() { + return Object.create(this); + }, + setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + }; + return CanvasExtraState; +}(); + +var CanvasGraphics = function CanvasGraphicsClosure() { + var EXECUTION_TIME = 15; + var EXECUTION_STEPS = 10; + + function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer) { + this.ctx = canvasCtx; + this.current = new CanvasExtraState(); + this.stateStack = []; + this.pendingClip = null; + this.pendingEOFill = false; + this.res = null; + this.xobjs = null; + this.commonObjs = commonObjs; + this.objs = objs; + this.canvasFactory = canvasFactory; + this.webGLContext = webGLContext; + this.imageLayer = imageLayer; + this.groupStack = []; + this.processingType3 = null; + this.baseTransform = null; + this.baseTransformStack = []; + this.groupLevel = 0; + this.smaskStack = []; + this.smaskCounter = 0; + this.tempSMask = null; + this.cachedCanvases = new CachedCanvases(this.canvasFactory); + + if (canvasCtx) { + addContextCurrentTransform(canvasCtx); + } + + this._cachedGetSinglePixelWidth = null; + } + + function putBinaryImageData(ctx, imgData) { + if (typeof ImageData !== "undefined" && imgData instanceof ImageData) { + ctx.putImageData(imgData, 0, 0); + return; + } + + var height = imgData.height, + width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0, + destPos; + var src = imgData.data; + var dest = chunkImgData.data; + var i, j, thisChunkHeight, elemsInThisChunk; + + if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) { + var srcLength = src.byteLength; + var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2); + var dest32DataLength = dest32.length; + var fullSrcDiff = width + 7 >> 3; + var white = 0xffffffff; + var black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff; + + for (i = 0; i < totalChunks; i++) { + thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + destPos = 0; + + for (j = 0; j < thisChunkHeight; j++) { + var srcDiff = srcLength - srcPos; + var k = 0; + var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7; + var kEndUnrolled = kEnd & ~7; + var mask = 0; + var srcByte = 0; + + for (; k < kEndUnrolled; k += 8) { + srcByte = src[srcPos++]; + dest32[destPos++] = srcByte & 128 ? white : black; + dest32[destPos++] = srcByte & 64 ? white : black; + dest32[destPos++] = srcByte & 32 ? white : black; + dest32[destPos++] = srcByte & 16 ? white : black; + dest32[destPos++] = srcByte & 8 ? white : black; + dest32[destPos++] = srcByte & 4 ? white : black; + dest32[destPos++] = srcByte & 2 ? white : black; + dest32[destPos++] = srcByte & 1 ? white : black; + } + + for (; k < kEnd; k++) { + if (mask === 0) { + srcByte = src[srcPos++]; + mask = 128; + } + + dest32[destPos++] = srcByte & mask ? white : black; + mask >>= 1; + } + } + + while (destPos < dest32DataLength) { + dest32[destPos++] = 0; + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) { + j = 0; + elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4; + + for (i = 0; i < fullChunks; i++) { + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + srcPos += elemsInThisChunk; + ctx.putImageData(chunkImgData, 0, j); + j += FULL_CHUNK_HEIGHT; + } + + if (i < totalChunks) { + elemsInThisChunk = width * partialChunkHeight * 4; + dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk)); + ctx.putImageData(chunkImgData, 0, j); + } + } else if (imgData.kind === _util.ImageKind.RGB_24BPP) { + thisChunkHeight = FULL_CHUNK_HEIGHT; + elemsInThisChunk = width * thisChunkHeight; + + for (i = 0; i < totalChunks; i++) { + if (i >= fullChunks) { + thisChunkHeight = partialChunkHeight; + elemsInThisChunk = width * thisChunkHeight; + } + + destPos = 0; + + for (j = elemsInThisChunk; j--;) { + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = src[srcPos++]; + dest[destPos++] = 255; + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } else { + throw new Error(`bad image kind: ${imgData.kind}`); + } + } + + function putBinaryImageMask(ctx, imgData) { + var height = imgData.height, + width = imgData.width; + var partialChunkHeight = height % FULL_CHUNK_HEIGHT; + var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT; + var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1; + var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT); + var srcPos = 0; + var src = imgData.data; + var dest = chunkImgData.data; + + for (var i = 0; i < totalChunks; i++) { + var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight; + var destPos = 3; + + for (var j = 0; j < thisChunkHeight; j++) { + var mask = 0; + + for (var k = 0; k < width; k++) { + if (!mask) { + var elem = src[srcPos++]; + mask = 128; + } + + dest[destPos] = elem & mask ? 0 : 255; + destPos += 4; + mask >>= 1; + } + } + + ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT); + } + } + + function copyCtxState(sourceCtx, destCtx) { + var properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"]; + + for (var i = 0, ii = properties.length; i < ii; i++) { + var property = properties[i]; + + if (sourceCtx[property] !== undefined) { + destCtx[property] = sourceCtx[property]; + } + } + + if (sourceCtx.setLineDash !== undefined) { + destCtx.setLineDash(sourceCtx.getLineDash()); + destCtx.lineDashOffset = sourceCtx.lineDashOffset; + } + } + + function resetCtxToDefault(ctx) { + ctx.strokeStyle = "#000000"; + ctx.fillStyle = "#000000"; + ctx.fillRule = "nonzero"; + ctx.globalAlpha = 1; + ctx.lineWidth = 1; + ctx.lineCap = "butt"; + ctx.lineJoin = "miter"; + ctx.miterLimit = 10; + ctx.globalCompositeOperation = "source-over"; + ctx.font = "10px sans-serif"; + + if (ctx.setLineDash !== undefined) { + ctx.setLineDash([]); + ctx.lineDashOffset = 0; + } + } + + function composeSMaskBackdrop(bytes, r0, g0, b0) { + var length = bytes.length; + + for (var i = 3; i < length; i += 4) { + var alpha = bytes[i]; + + if (alpha === 0) { + bytes[i - 3] = r0; + bytes[i - 2] = g0; + bytes[i - 1] = b0; + } else if (alpha < 255) { + var alpha_ = 255 - alpha; + bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8; + bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8; + bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8; + } + } + } + + function composeSMaskAlpha(maskData, layerData, transferMap) { + var length = maskData.length; + var scale = 1 / 255; + + for (var i = 3; i < length; i += 4) { + var alpha = transferMap ? transferMap[maskData[i]] : maskData[i]; + layerData[i] = layerData[i] * alpha * scale | 0; + } + } + + function composeSMaskLuminosity(maskData, layerData, transferMap) { + var length = maskData.length; + + for (var i = 3; i < length; i += 4) { + var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28; + layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16; + } + } + + function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) { + var hasBackdrop = !!backdrop; + var r0 = hasBackdrop ? backdrop[0] : 0; + var g0 = hasBackdrop ? backdrop[1] : 0; + var b0 = hasBackdrop ? backdrop[2] : 0; + var composeFn; + + if (subtype === "Luminosity") { + composeFn = composeSMaskLuminosity; + } else { + composeFn = composeSMaskAlpha; + } + + var PIXELS_TO_PROCESS = 1048576; + var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width)); + + for (var row = 0; row < height; row += chunkSize) { + var chunkHeight = Math.min(chunkSize, height - row); + var maskData = maskCtx.getImageData(0, row, width, chunkHeight); + var layerData = layerCtx.getImageData(0, row, width, chunkHeight); + + if (hasBackdrop) { + composeSMaskBackdrop(maskData.data, r0, g0, b0); + } + + composeFn(maskData.data, layerData.data, transferMap); + maskCtx.putImageData(layerData, 0, row); + } + } + + function composeSMask(ctx, smask, layerCtx, webGLContext) { + var mask = smask.canvas; + var maskCtx = smask.context; + ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY); + var backdrop = smask.backdrop || null; + + if (!smask.transferMap && webGLContext.isEnabled) { + const composed = webGLContext.composeSMask({ + layer: layerCtx.canvas, + mask, + properties: { + subtype: smask.subtype, + backdrop + } + }); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.drawImage(composed, smask.offsetX, smask.offsetY); + return; + } + + genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap); + ctx.drawImage(mask, 0, 0); + } + + var LINE_CAP_STYLES = ["butt", "round", "square"]; + var LINE_JOIN_STYLES = ["miter", "round", "bevel"]; + var NORMAL_CLIP = {}; + var EO_CLIP = {}; + CanvasGraphics.prototype = { + beginDrawing({ + transform, + viewport, + transparency = false, + background = null + }) { + var width = this.ctx.canvas.width; + var height = this.ctx.canvas.height; + this.ctx.save(); + this.ctx.fillStyle = background || "rgb(255, 255, 255)"; + this.ctx.fillRect(0, 0, width, height); + this.ctx.restore(); + + if (transparency) { + var transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true); + this.compositeCtx = this.ctx; + this.transparentCanvas = transparentCanvas.canvas; + this.ctx = transparentCanvas.context; + this.ctx.save(); + this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform); + } + + this.ctx.save(); + resetCtxToDefault(this.ctx); + + if (transform) { + this.ctx.transform.apply(this.ctx, transform); + } + + this.ctx.transform.apply(this.ctx, viewport.transform); + this.baseTransform = this.ctx.mozCurrentTransform.slice(); + + if (this.imageLayer) { + this.imageLayer.beginLayout(); + } + }, + + executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) { + var argsArray = operatorList.argsArray; + var fnArray = operatorList.fnArray; + var i = executionStartIdx || 0; + var argsArrayLen = argsArray.length; + + if (argsArrayLen === i) { + return i; + } + + var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function"; + var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0; + var steps = 0; + var commonObjs = this.commonObjs; + var objs = this.objs; + var fnId; + + while (true) { + if (stepper !== undefined && i === stepper.nextBreakPoint) { + stepper.breakIt(i, continueCallback); + return i; + } + + fnId = fnArray[i]; + + if (fnId !== _util.OPS.dependency) { + this[fnId].apply(this, argsArray[i]); + } else { + for (const depObjId of argsArray[i]) { + const objsPool = depObjId.startsWith("g_") ? commonObjs : objs; + + if (!objsPool.has(depObjId)) { + objsPool.get(depObjId, continueCallback); + return i; + } + } + } + + i++; + + if (i === argsArrayLen) { + return i; + } + + if (chunkOperations && ++steps > EXECUTION_STEPS) { + if (Date.now() > endTime) { + continueCallback(); + return i; + } + + steps = 0; + } + } + }, + endDrawing: function CanvasGraphics_endDrawing() { + if (this.current.activeSMask !== null) { + this.endSMaskGroup(); + } + + this.ctx.restore(); + + if (this.transparentCanvas) { + this.ctx = this.compositeCtx; + this.ctx.save(); + this.ctx.setTransform(1, 0, 0, 1, 0, 0); + this.ctx.drawImage(this.transparentCanvas, 0, 0); + this.ctx.restore(); + this.transparentCanvas = null; + } + + this.cachedCanvases.clear(); + this.webGLContext.clear(); + + if (this.imageLayer) { + this.imageLayer.endLayout(); + } + }, + setLineWidth: function CanvasGraphics_setLineWidth(width) { + this.current.lineWidth = width; + this.ctx.lineWidth = width; + }, + setLineCap: function CanvasGraphics_setLineCap(style) { + this.ctx.lineCap = LINE_CAP_STYLES[style]; + }, + setLineJoin: function CanvasGraphics_setLineJoin(style) { + this.ctx.lineJoin = LINE_JOIN_STYLES[style]; + }, + setMiterLimit: function CanvasGraphics_setMiterLimit(limit) { + this.ctx.miterLimit = limit; + }, + setDash: function CanvasGraphics_setDash(dashArray, dashPhase) { + var ctx = this.ctx; + + if (ctx.setLineDash !== undefined) { + ctx.setLineDash(dashArray); + ctx.lineDashOffset = dashPhase; + } + }, + + setRenderingIntent(intent) {}, + + setFlatness(flatness) {}, + + setGState: function CanvasGraphics_setGState(states) { + for (var i = 0, ii = states.length; i < ii; i++) { + var state = states[i]; + var key = state[0]; + var value = state[1]; + + switch (key) { + case "LW": + this.setLineWidth(value); + break; + + case "LC": + this.setLineCap(value); + break; + + case "LJ": + this.setLineJoin(value); + break; + + case "ML": + this.setMiterLimit(value); + break; + + case "D": + this.setDash(value[0], value[1]); + break; + + case "RI": + this.setRenderingIntent(value); + break; + + case "FL": + this.setFlatness(value); + break; + + case "Font": + this.setFont(value[0], value[1]); + break; + + case "CA": + this.current.strokeAlpha = state[1]; + break; + + case "ca": + this.current.fillAlpha = state[1]; + this.ctx.globalAlpha = state[1]; + break; + + case "BM": + this.ctx.globalCompositeOperation = value; + break; + + case "SMask": + if (this.current.activeSMask) { + if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) { + this.suspendSMaskGroup(); + } else { + this.endSMaskGroup(); + } + } + + this.current.activeSMask = value ? this.tempSMask : null; + + if (this.current.activeSMask) { + this.beginSMaskGroup(); + } + + this.tempSMask = null; + break; + } + } + }, + beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() { + var activeSMask = this.current.activeSMask; + var drawnWidth = activeSMask.canvas.width; + var drawnHeight = activeSMask.canvas.height; + var cacheId = "smaskGroupAt" + this.groupLevel; + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var currentCtx = this.ctx; + var currentTransform = currentCtx.mozCurrentTransform; + this.ctx.save(); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY); + groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse; + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]); + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext); + this.ctx.restore(); + this.ctx.save(); + copyCtxState(groupCtx, this.ctx); + this.current.resumeSMaskCtx = groupCtx; + + var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + + this.ctx.transform.apply(this.ctx, deltaTransform); + groupCtx.save(); + groupCtx.setTransform(1, 0, 0, 1, 0, 0); + groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height); + groupCtx.restore(); + }, + resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.current.resumeSMaskCtx; + var currentCtx = this.ctx; + this.ctx = groupCtx; + this.groupStack.push(currentCtx); + this.groupLevel++; + }, + endSMaskGroup: function CanvasGraphics_endSMaskGroup() { + var groupCtx = this.ctx; + this.groupLevel--; + this.ctx = this.groupStack.pop(); + composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext); + this.ctx.restore(); + copyCtxState(groupCtx, this.ctx); + + var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform); + + this.ctx.transform.apply(this.ctx, deltaTransform); + }, + save: function CanvasGraphics_save() { + this.ctx.save(); + var old = this.current; + this.stateStack.push(old); + this.current = old.clone(); + this.current.resumeSMaskCtx = null; + }, + restore: function CanvasGraphics_restore() { + if (this.current.resumeSMaskCtx) { + this.resumeSMaskGroup(); + } + + if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) { + this.endSMaskGroup(); + } + + if (this.stateStack.length !== 0) { + this.current = this.stateStack.pop(); + this.ctx.restore(); + this.pendingClip = null; + this._cachedGetSinglePixelWidth = null; + } + }, + transform: function CanvasGraphics_transform(a, b, c, d, e, f) { + this.ctx.transform(a, b, c, d, e, f); + this._cachedGetSinglePixelWidth = null; + }, + constructPath: function CanvasGraphics_constructPath(ops, args) { + var ctx = this.ctx; + var current = this.current; + var x = current.x, + y = current.y; + + for (var i = 0, j = 0, ii = ops.length; i < ii; i++) { + switch (ops[i] | 0) { + case _util.OPS.rectangle: + x = args[j++]; + y = args[j++]; + var width = args[j++]; + var height = args[j++]; + + if (width === 0) { + width = this.getSinglePixelWidth(); + } + + if (height === 0) { + height = this.getSinglePixelWidth(); + } + + var xw = x + width; + var yh = y + height; + this.ctx.moveTo(x, y); + this.ctx.lineTo(xw, y); + this.ctx.lineTo(xw, yh); + this.ctx.lineTo(x, yh); + this.ctx.lineTo(x, y); + this.ctx.closePath(); + break; + + case _util.OPS.moveTo: + x = args[j++]; + y = args[j++]; + ctx.moveTo(x, y); + break; + + case _util.OPS.lineTo: + x = args[j++]; + y = args[j++]; + ctx.lineTo(x, y); + break; + + case _util.OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y); + j += 6; + break; + + case _util.OPS.curveTo2: + ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + + case _util.OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y); + j += 4; + break; + + case _util.OPS.closePath: + ctx.closePath(); + break; + } + } + + current.setCurrentPoint(x, y); + }, + closePath: function CanvasGraphics_closePath() { + this.ctx.closePath(); + }, + stroke: function CanvasGraphics_stroke(consumePath) { + consumePath = typeof consumePath !== "undefined" ? consumePath : true; + var ctx = this.ctx; + var strokeColor = this.current.strokeColor; + ctx.globalAlpha = this.current.strokeAlpha; + + if (strokeColor && strokeColor.hasOwnProperty("type") && strokeColor.type === "Pattern") { + ctx.save(); + const transform = ctx.mozCurrentTransform; + + const scale = _util.Util.singularValueDecompose2dScale(transform)[0]; + + ctx.strokeStyle = strokeColor.getPattern(ctx, this); + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth * scale); + ctx.stroke(); + ctx.restore(); + } else { + ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth); + ctx.stroke(); + } + + if (consumePath) { + this.consumePath(); + } + + ctx.globalAlpha = this.current.fillAlpha; + }, + closeStroke: function CanvasGraphics_closeStroke() { + this.closePath(); + this.stroke(); + }, + fill: function CanvasGraphics_fill(consumePath) { + consumePath = typeof consumePath !== "undefined" ? consumePath : true; + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var needRestore = false; + + if (isPatternFill) { + ctx.save(); + + if (this.baseTransform) { + ctx.setTransform.apply(ctx, this.baseTransform); + } + + ctx.fillStyle = fillColor.getPattern(ctx, this); + needRestore = true; + } + + if (this.pendingEOFill) { + ctx.fill("evenodd"); + this.pendingEOFill = false; + } else { + ctx.fill(); + } + + if (needRestore) { + ctx.restore(); + } + + if (consumePath) { + this.consumePath(); + } + }, + eoFill: function CanvasGraphics_eoFill() { + this.pendingEOFill = true; + this.fill(); + }, + fillStroke: function CanvasGraphics_fillStroke() { + this.fill(false); + this.stroke(false); + this.consumePath(); + }, + eoFillStroke: function CanvasGraphics_eoFillStroke() { + this.pendingEOFill = true; + this.fillStroke(); + }, + closeFillStroke: function CanvasGraphics_closeFillStroke() { + this.closePath(); + this.fillStroke(); + }, + closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() { + this.pendingEOFill = true; + this.closePath(); + this.fillStroke(); + }, + endPath: function CanvasGraphics_endPath() { + this.consumePath(); + }, + clip: function CanvasGraphics_clip() { + this.pendingClip = NORMAL_CLIP; + }, + eoClip: function CanvasGraphics_eoClip() { + this.pendingClip = EO_CLIP; + }, + beginText: function CanvasGraphics_beginText() { + this.current.textMatrix = _util.IDENTITY_MATRIX; + this.current.textMatrixScale = 1; + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + endText: function CanvasGraphics_endText() { + var paths = this.pendingTextPaths; + var ctx = this.ctx; + + if (paths === undefined) { + ctx.beginPath(); + return; + } + + ctx.save(); + ctx.beginPath(); + + for (var i = 0; i < paths.length; i++) { + var path = paths[i]; + ctx.setTransform.apply(ctx, path.transform); + ctx.translate(path.x, path.y); + path.addToPath(ctx, path.fontSize); + } + + ctx.restore(); + ctx.clip(); + ctx.beginPath(); + delete this.pendingTextPaths; + }, + setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) { + this.current.charSpacing = spacing; + }, + setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) { + this.current.wordSpacing = spacing; + }, + setHScale: function CanvasGraphics_setHScale(scale) { + this.current.textHScale = scale / 100; + }, + setLeading: function CanvasGraphics_setLeading(leading) { + this.current.leading = -leading; + }, + setFont: function CanvasGraphics_setFont(fontRefName, size) { + var fontObj = this.commonObjs.get(fontRefName); + var current = this.current; + + if (!fontObj) { + throw new Error(`Can't find font for ${fontRefName}`); + } + + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; + + if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) { + (0, _util.warn)("Invalid font matrix for font " + fontRefName); + } + + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + + this.current.font = fontObj; + this.current.fontSize = size; + + if (fontObj.isType3Font) { + return; + } + + var name = fontObj.loadedName || "sans-serif"; + let bold = "normal"; + + if (fontObj.black) { + bold = "900"; + } else if (fontObj.bold) { + bold = "bold"; + } + + var italic = fontObj.italic ? "italic" : "normal"; + var typeface = `"${name}", ${fontObj.fallbackName}`; + let browserFontSize = size; + + if (size < MIN_FONT_SIZE) { + browserFontSize = MIN_FONT_SIZE; + } else if (size > MAX_FONT_SIZE) { + browserFontSize = MAX_FONT_SIZE; + } + + this.current.fontSizeScale = size / browserFontSize; + this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`; + }, + setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) { + this.current.textRenderingMode = mode; + }, + setTextRise: function CanvasGraphics_setTextRise(rise) { + this.current.textRise = rise; + }, + moveText: function CanvasGraphics_moveText(x, y) { + this.current.x = this.current.lineX += x; + this.current.y = this.current.lineY += y; + }, + setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + }, + setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) { + this.current.textMatrix = [a, b, c, d, e, f]; + this.current.textMatrixScale = Math.sqrt(a * a + b * b); + this.current.x = this.current.lineX = 0; + this.current.y = this.current.lineY = 0; + }, + nextLine: function CanvasGraphics_nextLine() { + this.moveText(0, this.current.leading); + }, + + paintChar(character, x, y, patternTransform) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var textRenderingMode = current.textRenderingMode; + var fontSize = current.fontSize / current.fontSizeScale; + var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG); + const patternFill = current.patternFill && font.data; + var addToPath; + + if (font.disableFontFace || isAddToPathSet || patternFill) { + addToPath = font.getPathGenerator(this.commonObjs, character); + } + + if (font.disableFontFace || patternFill) { + ctx.save(); + ctx.translate(x, y); + ctx.beginPath(); + addToPath(ctx, fontSize); + + if (patternTransform) { + ctx.setTransform.apply(ctx, patternTransform); + } + + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.fill(); + } + + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.stroke(); + } + + ctx.restore(); + } else { + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.fillText(character, x, y); + } + + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + ctx.strokeText(character, x, y); + } + } + + if (isAddToPathSet) { + var paths = this.pendingTextPaths || (this.pendingTextPaths = []); + paths.push({ + transform: ctx.mozCurrentTransform, + x, + y, + fontSize, + addToPath + }); + } + }, + + get isFontSubpixelAAEnabled() { + const { + context: ctx + } = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10); + ctx.scale(1.5, 1); + ctx.fillText("I", 0, 10); + var data = ctx.getImageData(0, 0, 10, 10).data; + var enabled = false; + + for (var i = 3; i < data.length; i += 4) { + if (data[i] > 0 && data[i] < 255) { + enabled = true; + break; + } + } + + return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled); + }, + + showText: function CanvasGraphics_showText(glyphs) { + var current = this.current; + var font = current.font; + + if (font.isType3Font) { + return this.showType3Text(glyphs); + } + + var fontSize = current.fontSize; + + if (fontSize === 0) { + return undefined; + } + + var ctx = this.ctx; + var fontSizeScale = current.fontSizeScale; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var fontDirection = current.fontDirection; + var textHScale = current.textHScale * fontDirection; + var glyphsLength = glyphs.length; + var vertical = font.vertical; + var spacingDir = vertical ? 1 : -1; + var defaultVMetrics = font.defaultVMetrics; + var widthAdvanceScale = fontSize * current.fontMatrix[0]; + var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill; + ctx.save(); + let patternTransform; + + if (current.patternFill) { + ctx.save(); + const pattern = current.fillColor.getPattern(ctx, this); + patternTransform = ctx.mozCurrentTransform; + ctx.restore(); + ctx.fillStyle = pattern; + } + + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y + current.textRise); + + if (fontDirection > 0) { + ctx.scale(textHScale, -1); + } else { + ctx.scale(textHScale, 1); + } + + var lineWidth = current.lineWidth; + var scale = current.textMatrixScale; + + if (scale === 0 || lineWidth === 0) { + var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + this._cachedGetSinglePixelWidth = null; + lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR; + } + } else { + lineWidth /= scale; + } + + if (fontSizeScale !== 1.0) { + ctx.scale(fontSizeScale, fontSizeScale); + lineWidth /= fontSizeScale; + } + + ctx.lineWidth = lineWidth; + var x = 0, + i; + + for (i = 0; i < glyphsLength; ++i) { + var glyph = glyphs[i]; + + if ((0, _util.isNum)(glyph)) { + x += spacingDir * glyph * fontSize / 1000; + continue; + } + + var restoreNeeded = false; + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var character = glyph.fontChar; + var accent = glyph.accent; + var scaledX, scaledY, scaledAccentX, scaledAccentY; + var width = glyph.width; + + if (vertical) { + var vmetric, vx, vy; + vmetric = glyph.vmetric || defaultVMetrics; + vx = glyph.vmetric ? vmetric[1] : width * 0.5; + vx = -vx * widthAdvanceScale; + vy = vmetric[2] * widthAdvanceScale; + width = vmetric ? -vmetric[0] : width; + scaledX = vx / fontSizeScale; + scaledY = (x + vy) / fontSizeScale; + } else { + scaledX = x / fontSizeScale; + scaledY = 0; + } + + if (font.remeasure && width > 0) { + var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale; + + if (width < measuredWidth && this.isFontSubpixelAAEnabled) { + var characterScaleX = width / measuredWidth; + restoreNeeded = true; + ctx.save(); + ctx.scale(characterScaleX, 1); + scaledX /= characterScaleX; + } else if (width !== measuredWidth) { + scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale; + } + } + + if (glyph.isInFont || font.missingFile) { + if (simpleFillText && !accent) { + ctx.fillText(character, scaledX, scaledY); + } else { + this.paintChar(character, scaledX, scaledY, patternTransform); + + if (accent) { + scaledAccentX = scaledX + accent.offset.x / fontSizeScale; + scaledAccentY = scaledY - accent.offset.y / fontSizeScale; + this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform); + } + } + } + + var charWidth; + + if (vertical) { + charWidth = width * widthAdvanceScale - spacing * fontDirection; + } else { + charWidth = width * widthAdvanceScale + spacing * fontDirection; + } + + x += charWidth; + + if (restoreNeeded) { + ctx.restore(); + } + } + + if (vertical) { + current.y -= x; + } else { + current.x += x * textHScale; + } + + ctx.restore(); + }, + showType3Text: function CanvasGraphics_showType3Text(glyphs) { + var ctx = this.ctx; + var current = this.current; + var font = current.font; + var fontSize = current.fontSize; + var fontDirection = current.fontDirection; + var spacingDir = font.vertical ? 1 : -1; + var charSpacing = current.charSpacing; + var wordSpacing = current.wordSpacing; + var textHScale = current.textHScale * fontDirection; + var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX; + var glyphsLength = glyphs.length; + var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE; + var i, glyph, width, spacingLength; + + if (isTextInvisible || fontSize === 0) { + return; + } + + this._cachedGetSinglePixelWidth = null; + ctx.save(); + ctx.transform.apply(ctx, current.textMatrix); + ctx.translate(current.x, current.y); + ctx.scale(textHScale, fontDirection); + + for (i = 0; i < glyphsLength; ++i) { + glyph = glyphs[i]; + + if ((0, _util.isNum)(glyph)) { + spacingLength = spacingDir * glyph * fontSize / 1000; + this.ctx.translate(spacingLength, 0); + current.x += spacingLength * textHScale; + continue; + } + + var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + var operatorList = font.charProcOperatorList[glyph.operatorListId]; + + if (!operatorList) { + (0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`); + continue; + } + + this.processingType3 = glyph; + this.save(); + ctx.scale(fontSize, fontSize); + ctx.transform.apply(ctx, fontMatrix); + this.executeOperatorList(operatorList); + this.restore(); + + var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix); + + width = transformed[0] * fontSize + spacing; + ctx.translate(width, 0); + current.x += width * textHScale; + } + + ctx.restore(); + this.processingType3 = null; + }, + setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {}, + setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) { + this.ctx.rect(llx, lly, urx - llx, ury - lly); + this.clip(); + this.endPath(); + }, + getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) { + var pattern; + + if (IR[0] === "TilingPattern") { + var color = IR[1]; + var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice(); + var canvasGraphicsFactory = { + createCanvasGraphics: ctx => { + return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext); + } + }; + pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform); + } else { + pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR); + } + + return pattern; + }, + setStrokeColorN: function CanvasGraphics_setStrokeColorN() { + this.current.strokeColor = this.getColorN_Pattern(arguments); + }, + setFillColorN: function CanvasGraphics_setFillColorN() { + this.current.fillColor = this.getColorN_Pattern(arguments); + this.current.patternFill = true; + }, + setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + + this.ctx.strokeStyle = color; + this.current.strokeColor = color; + }, + setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) { + var color = _util.Util.makeCssRgb(r, g, b); + + this.ctx.fillStyle = color; + this.current.fillColor = color; + this.current.patternFill = false; + }, + shadingFill: function CanvasGraphics_shadingFill(patternIR) { + var ctx = this.ctx; + this.save(); + var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR); + ctx.fillStyle = pattern.getPattern(ctx, this, true); + var inv = ctx.mozCurrentTransformInverse; + + if (inv) { + var canvas = ctx.canvas; + var width = canvas.width; + var height = canvas.height; + + var bl = _util.Util.applyTransform([0, 0], inv); + + var br = _util.Util.applyTransform([0, height], inv); + + var ul = _util.Util.applyTransform([width, 0], inv); + + var ur = _util.Util.applyTransform([width, height], inv); + + var x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + var y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + var x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + var y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0); + } else { + this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10); + } + + this.restore(); + }, + beginInlineImage: function CanvasGraphics_beginInlineImage() { + (0, _util.unreachable)("Should not call beginInlineImage"); + }, + beginImageData: function CanvasGraphics_beginImageData() { + (0, _util.unreachable)("Should not call beginImageData"); + }, + paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) { + this.save(); + this.baseTransformStack.push(this.baseTransform); + + if (Array.isArray(matrix) && matrix.length === 6) { + this.transform.apply(this, matrix); + } + + this.baseTransform = this.ctx.mozCurrentTransform; + + if (bbox) { + var width = bbox[2] - bbox[0]; + var height = bbox[3] - bbox[1]; + this.ctx.rect(bbox[0], bbox[1], width, height); + this.clip(); + this.endPath(); + } + }, + paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() { + this.restore(); + this.baseTransform = this.baseTransformStack.pop(); + }, + beginGroup: function CanvasGraphics_beginGroup(group) { + this.save(); + var currentCtx = this.ctx; + + if (!group.isolated) { + (0, _util.info)("TODO: Support non-isolated groups."); + } + + if (group.knockout) { + (0, _util.warn)("Knockout groups not supported."); + } + + var currentTransform = currentCtx.mozCurrentTransform; + + if (group.matrix) { + currentCtx.transform.apply(currentCtx, group.matrix); + } + + if (!group.bbox) { + throw new Error("Bounding box is required."); + } + + var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform); + + var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height]; + bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0]; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1); + var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1); + var scaleX = 1, + scaleY = 1; + + if (drawnWidth > MAX_GROUP_SIZE) { + scaleX = drawnWidth / MAX_GROUP_SIZE; + drawnWidth = MAX_GROUP_SIZE; + } + + if (drawnHeight > MAX_GROUP_SIZE) { + scaleY = drawnHeight / MAX_GROUP_SIZE; + drawnHeight = MAX_GROUP_SIZE; + } + + var cacheId = "groupAt" + this.groupLevel; + + if (group.smask) { + cacheId += "_smask_" + this.smaskCounter++ % 2; + } + + var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true); + var groupCtx = scratchCanvas.context; + groupCtx.scale(1 / scaleX, 1 / scaleY); + groupCtx.translate(-offsetX, -offsetY); + groupCtx.transform.apply(groupCtx, currentTransform); + + if (group.smask) { + this.smaskStack.push({ + canvas: scratchCanvas.canvas, + context: groupCtx, + offsetX, + offsetY, + scaleX, + scaleY, + subtype: group.smask.subtype, + backdrop: group.smask.backdrop, + transferMap: group.smask.transferMap || null, + startTransformInverse: null + }); + } else { + currentCtx.setTransform(1, 0, 0, 1, 0, 0); + currentCtx.translate(offsetX, offsetY); + currentCtx.scale(scaleX, scaleY); + } + + copyCtxState(currentCtx, groupCtx); + this.ctx = groupCtx; + this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]); + this.groupStack.push(currentCtx); + this.groupLevel++; + this.current.activeSMask = null; + }, + endGroup: function CanvasGraphics_endGroup(group) { + this.groupLevel--; + var groupCtx = this.ctx; + this.ctx = this.groupStack.pop(); + + if (this.ctx.imageSmoothingEnabled !== undefined) { + this.ctx.imageSmoothingEnabled = false; + } else { + this.ctx.mozImageSmoothingEnabled = false; + } + + if (group.smask) { + this.tempSMask = this.smaskStack.pop(); + } else { + this.ctx.drawImage(groupCtx.canvas, 0, 0); + } + + this.restore(); + }, + beginAnnotations: function CanvasGraphics_beginAnnotations() { + this.save(); + + if (this.baseTransform) { + this.ctx.setTransform.apply(this.ctx, this.baseTransform); + } + }, + endAnnotations: function CanvasGraphics_endAnnotations() { + this.restore(); + }, + beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) { + this.save(); + resetCtxToDefault(this.ctx); + this.current = new CanvasExtraState(); + + if (Array.isArray(rect) && rect.length === 4) { + var width = rect[2] - rect[0]; + var height = rect[3] - rect[1]; + this.ctx.rect(rect[0], rect[1], width, height); + this.clip(); + this.endPath(); + } + + this.transform.apply(this, transform); + this.transform.apply(this, matrix); + }, + endAnnotation: function CanvasGraphics_endAnnotation() { + this.restore(); + }, + paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) { + const domImage = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId); + + if (!domImage) { + (0, _util.warn)("Dependent image isn't ready yet"); + return; + } + + this.save(); + var ctx = this.ctx; + ctx.scale(1 / w, -1 / h); + ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h); + + if (this.imageLayer) { + var currentTransform = ctx.mozCurrentTransformInverse; + var position = this.getCanvasPosition(0, 0); + this.imageLayer.appendImage({ + objId, + left: position[0], + top: position[1], + width: w / currentTransform[0], + height: h / currentTransform[3] + }); + } + + this.restore(); + }, + paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) { + var ctx = this.ctx; + var width = img.width, + height = img.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var glyph = this.processingType3; + + if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) { + if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) { + glyph.compiled = compileType3Glyph({ + data: img.data, + width, + height + }); + } else { + glyph.compiled = null; + } + } + + if (glyph && glyph.compiled) { + glyph.compiled(ctx); + return; + } + + var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, img); + maskCtx.globalCompositeOperation = "source-in"; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + this.paintInlineImageXObject(maskCanvas.canvas); + }, + paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) { + var width = imgData.width; + var height = imgData.height; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, imgData); + maskCtx.globalCompositeOperation = "source-in"; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + var ctx = this.ctx; + + for (var i = 0, ii = positions.length; i < ii; i += 2) { + ctx.save(); + ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) { + var ctx = this.ctx; + var fillColor = this.current.fillColor; + var isPatternFill = this.current.patternFill; + + for (var i = 0, ii = images.length; i < ii; i++) { + var image = images[i]; + var width = image.width, + height = image.height; + var maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height); + var maskCtx = maskCanvas.context; + maskCtx.save(); + putBinaryImageMask(maskCtx, image); + maskCtx.globalCompositeOperation = "source-in"; + maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor; + maskCtx.fillRect(0, 0, width, height); + maskCtx.restore(); + ctx.save(); + ctx.transform.apply(ctx, image.transform); + ctx.scale(1, -1); + ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1); + ctx.restore(); + } + }, + paintImageXObject: function CanvasGraphics_paintImageXObject(objId) { + const imgData = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId); + + if (!imgData) { + (0, _util.warn)("Dependent image isn't ready yet"); + return; + } + + this.paintInlineImageXObject(imgData); + }, + paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) { + const imgData = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId); + + if (!imgData) { + (0, _util.warn)("Dependent image isn't ready yet"); + return; + } + + var width = imgData.width; + var height = imgData.height; + var map = []; + + for (var i = 0, ii = positions.length; i < ii; i += 2) { + map.push({ + transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]], + x: 0, + y: 0, + w: width, + h: height + }); + } + + this.paintInlineImageXObjectGroup(imgData, map); + }, + paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) { + var width = imgData.width; + var height = imgData.height; + var ctx = this.ctx; + this.save(); + ctx.scale(1 / width, -1 / height); + var currentTransform = ctx.mozCurrentTransformInverse; + var a = currentTransform[0], + b = currentTransform[1]; + var widthScale = Math.max(Math.sqrt(a * a + b * b), 1); + var c = currentTransform[2], + d = currentTransform[3]; + var heightScale = Math.max(Math.sqrt(c * c + d * d), 1); + var imgToPaint, tmpCanvas; + + if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) { + imgToPaint = imgData; + } else { + tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + imgToPaint = tmpCanvas.canvas; + } + + var paintWidth = width, + paintHeight = height; + var tmpCanvasId = "prescale1"; + + while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) { + var newWidth = paintWidth, + newHeight = paintHeight; + + if (widthScale > 2 && paintWidth > 1) { + newWidth = Math.ceil(paintWidth / 2); + widthScale /= paintWidth / newWidth; + } + + if (heightScale > 2 && paintHeight > 1) { + newHeight = Math.ceil(paintHeight / 2); + heightScale /= paintHeight / newHeight; + } + + tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight); + tmpCtx = tmpCanvas.context; + tmpCtx.clearRect(0, 0, newWidth, newHeight); + tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight); + imgToPaint = tmpCanvas.canvas; + paintWidth = newWidth; + paintHeight = newHeight; + tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1"; + } + + ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height); + + if (this.imageLayer) { + var position = this.getCanvasPosition(0, -height); + this.imageLayer.appendImage({ + imgData, + left: position[0], + top: position[1], + width: width / currentTransform[0], + height: height / currentTransform[3] + }); + } + + this.restore(); + }, + paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) { + var ctx = this.ctx; + var w = imgData.width; + var h = imgData.height; + var tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h); + var tmpCtx = tmpCanvas.context; + putBinaryImageData(tmpCtx, imgData); + + for (var i = 0, ii = map.length; i < ii; i++) { + var entry = map[i]; + ctx.save(); + ctx.transform.apply(ctx, entry.transform); + ctx.scale(1, -1); + ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1); + + if (this.imageLayer) { + var position = this.getCanvasPosition(entry.x, entry.y); + this.imageLayer.appendImage({ + imgData, + left: position[0], + top: position[1], + width: w, + height: h + }); + } + + ctx.restore(); + } + }, + paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() { + this.ctx.fillRect(0, 0, 1, 1); + }, + paintXObject: function CanvasGraphics_paintXObject() { + (0, _util.warn)("Unsupported 'paintXObject' command."); + }, + markPoint: function CanvasGraphics_markPoint(tag) {}, + markPointProps: function CanvasGraphics_markPointProps(tag, properties) {}, + beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {}, + beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {}, + endMarkedContent: function CanvasGraphics_endMarkedContent() {}, + beginCompat: function CanvasGraphics_beginCompat() {}, + endCompat: function CanvasGraphics_endCompat() {}, + consumePath: function CanvasGraphics_consumePath() { + var ctx = this.ctx; + + if (this.pendingClip) { + if (this.pendingClip === EO_CLIP) { + ctx.clip("evenodd"); + } else { + ctx.clip(); + } + + this.pendingClip = null; + } + + ctx.beginPath(); + }, + + getSinglePixelWidth(scale) { + if (this._cachedGetSinglePixelWidth === null) { + const inverse = this.ctx.mozCurrentTransformInverse; + this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3])); + } + + return this._cachedGetSinglePixelWidth; + }, + + getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) { + var transform = this.ctx.mozCurrentTransform; + return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]]; + } + }; + + for (var op in _util.OPS) { + CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op]; + } + + return CanvasGraphics; +}(); + +exports.CanvasGraphics = CanvasGraphics; + +/***/ }), +/* 9 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.getShadingPatternFromIR = getShadingPatternFromIR; +exports.TilingPattern = void 0; + +var _util = __w_pdfjs_require__(1); + +var ShadingIRs = {}; + +function applyBoundingBox(ctx, bbox) { + if (!bbox || typeof Path2D === "undefined") { + return; + } + + const width = bbox[2] - bbox[0]; + const height = bbox[3] - bbox[1]; + const region = new Path2D(); + region.rect(bbox[0], bbox[1], width, height); + ctx.clip(region); +} + +ShadingIRs.RadialAxial = { + fromIR: function RadialAxial_fromIR(raw) { + var type = raw[1]; + var bbox = raw[2]; + var colorStops = raw[3]; + var p0 = raw[4]; + var p1 = raw[5]; + var r0 = raw[6]; + var r1 = raw[7]; + return { + type: "Pattern", + getPattern: function RadialAxial_getPattern(ctx) { + applyBoundingBox(ctx, bbox); + var grad; + + if (type === "axial") { + grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]); + } else if (type === "radial") { + grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1); + } + + for (var i = 0, ii = colorStops.length; i < ii; ++i) { + var c = colorStops[i]; + grad.addColorStop(c[0], c[1]); + } + + return grad; + } + }; + } +}; + +var createMeshCanvas = function createMeshCanvasClosure() { + function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) { + var coords = context.coords, + colors = context.colors; + var bytes = data.data, + rowSize = data.width * 4; + var tmp; + + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + + if (coords[p2 + 1] > coords[p3 + 1]) { + tmp = p2; + p2 = p3; + p3 = tmp; + tmp = c2; + c2 = c3; + c3 = tmp; + } + + if (coords[p1 + 1] > coords[p2 + 1]) { + tmp = p1; + p1 = p2; + p2 = tmp; + tmp = c1; + c1 = c2; + c2 = tmp; + } + + var x1 = (coords[p1] + context.offsetX) * context.scaleX; + var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY; + var x2 = (coords[p2] + context.offsetX) * context.scaleX; + var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY; + var x3 = (coords[p3] + context.offsetX) * context.scaleX; + var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY; + + if (y1 >= y3) { + return; + } + + var c1r = colors[c1], + c1g = colors[c1 + 1], + c1b = colors[c1 + 2]; + var c2r = colors[c2], + c2g = colors[c2 + 1], + c2b = colors[c2 + 2]; + var c3r = colors[c3], + c3g = colors[c3 + 1], + c3b = colors[c3 + 2]; + var minY = Math.round(y1), + maxY = Math.round(y3); + var xa, car, cag, cab; + var xb, cbr, cbg, cbb; + + for (var y = minY; y <= maxY; y++) { + if (y < y2) { + let k; + + if (y < y1) { + k = 0; + } else if (y1 === y2) { + k = 1; + } else { + k = (y1 - y) / (y1 - y2); + } + + xa = x1 - (x1 - x2) * k; + car = c1r - (c1r - c2r) * k; + cag = c1g - (c1g - c2g) * k; + cab = c1b - (c1b - c2b) * k; + } else { + let k; + + if (y > y3) { + k = 1; + } else if (y2 === y3) { + k = 0; + } else { + k = (y2 - y) / (y2 - y3); + } + + xa = x2 - (x2 - x3) * k; + car = c2r - (c2r - c3r) * k; + cag = c2g - (c2g - c3g) * k; + cab = c2b - (c2b - c3b) * k; + } + + let k; + + if (y < y1) { + k = 0; + } else if (y > y3) { + k = 1; + } else { + k = (y1 - y) / (y1 - y3); + } + + xb = x1 - (x1 - x3) * k; + cbr = c1r - (c1r - c3r) * k; + cbg = c1g - (c1g - c3g) * k; + cbb = c1b - (c1b - c3b) * k; + var x1_ = Math.round(Math.min(xa, xb)); + var x2_ = Math.round(Math.max(xa, xb)); + var j = rowSize * y + x1_ * 4; + + for (var x = x1_; x <= x2_; x++) { + let k = (xa - x) / (xa - xb); + + if (k < 0) { + k = 0; + } else if (k > 1) { + k = 1; + } + + bytes[j++] = car - (car - cbr) * k | 0; + bytes[j++] = cag - (cag - cbg) * k | 0; + bytes[j++] = cab - (cab - cbb) * k | 0; + bytes[j++] = 255; + } + } + } + + function drawFigure(data, figure, context) { + var ps = figure.coords; + var cs = figure.colors; + var i, ii; + + switch (figure.type) { + case "lattice": + var verticesPerRow = figure.verticesPerRow; + var rows = Math.floor(ps.length / verticesPerRow) - 1; + var cols = verticesPerRow - 1; + + for (i = 0; i < rows; i++) { + var q = i * verticesPerRow; + + for (var j = 0; j < cols; j++, q++) { + drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]); + drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]); + } + } + + break; + + case "triangles": + for (i = 0, ii = ps.length; i < ii; i += 3) { + drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]); + } + + break; + + default: + throw new Error("illegal figure"); + } + } + + function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) { + var EXPECTED_SCALE = 1.1; + var MAX_PATTERN_SIZE = 3000; + var BORDER_SIZE = 2; + var offsetX = Math.floor(bounds[0]); + var offsetY = Math.floor(bounds[1]); + var boundsWidth = Math.ceil(bounds[2]) - offsetX; + var boundsHeight = Math.ceil(bounds[3]) - offsetY; + var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE); + var scaleX = boundsWidth / width; + var scaleY = boundsHeight / height; + var context = { + coords, + colors, + offsetX: -offsetX, + offsetY: -offsetY, + scaleX: 1 / scaleX, + scaleY: 1 / scaleY + }; + var paddedWidth = width + BORDER_SIZE * 2; + var paddedHeight = height + BORDER_SIZE * 2; + var canvas, tmpCanvas, i, ii; + + if (webGLContext.isEnabled) { + canvas = webGLContext.drawFigures({ + width, + height, + backgroundColor, + figures, + context + }); + tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false); + tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } else { + tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false); + var tmpCtx = tmpCanvas.context; + var data = tmpCtx.createImageData(width, height); + + if (backgroundColor) { + var bytes = data.data; + + for (i = 0, ii = bytes.length; i < ii; i += 4) { + bytes[i] = backgroundColor[0]; + bytes[i + 1] = backgroundColor[1]; + bytes[i + 2] = backgroundColor[2]; + bytes[i + 3] = 255; + } + } + + for (i = 0; i < figures.length; i++) { + drawFigure(data, figures[i], context); + } + + tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE); + canvas = tmpCanvas.canvas; + } + + return { + canvas, + offsetX: offsetX - BORDER_SIZE * scaleX, + offsetY: offsetY - BORDER_SIZE * scaleY, + scaleX, + scaleY + }; + } + + return createMeshCanvas; +}(); + +ShadingIRs.Mesh = { + fromIR: function Mesh_fromIR(raw) { + var coords = raw[2]; + var colors = raw[3]; + var figures = raw[4]; + var bounds = raw[5]; + var matrix = raw[6]; + var bbox = raw[7]; + var background = raw[8]; + return { + type: "Pattern", + getPattern: function Mesh_getPattern(ctx, owner, shadingFill) { + applyBoundingBox(ctx, bbox); + var scale; + + if (shadingFill) { + scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform); + } else { + scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform); + + if (matrix) { + var matrixScale = _util.Util.singularValueDecompose2dScale(matrix); + + scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]]; + } + } + + var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext); + + if (!shadingFill) { + ctx.setTransform.apply(ctx, owner.baseTransform); + + if (matrix) { + ctx.transform.apply(ctx, matrix); + } + } + + ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY); + ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY); + return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat"); + } + }; + } +}; +ShadingIRs.Dummy = { + fromIR: function Dummy_fromIR() { + return { + type: "Pattern", + getPattern: function Dummy_fromIR_getPattern() { + return "hotpink"; + } + }; + } +}; + +function getShadingPatternFromIR(raw) { + var shadingIR = ShadingIRs[raw[0]]; + + if (!shadingIR) { + throw new Error(`Unknown IR type: ${raw[0]}`); + } + + return shadingIR.fromIR(raw); +} + +var TilingPattern = function TilingPatternClosure() { + var PaintType = { + COLORED: 1, + UNCOLORED: 2 + }; + var MAX_PATTERN_SIZE = 3000; + + function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) { + this.operatorList = IR[2]; + this.matrix = IR[3] || [1, 0, 0, 1, 0, 0]; + this.bbox = IR[4]; + this.xstep = IR[5]; + this.ystep = IR[6]; + this.paintType = IR[7]; + this.tilingType = IR[8]; + this.color = color; + this.canvasGraphicsFactory = canvasGraphicsFactory; + this.baseTransform = baseTransform; + this.type = "Pattern"; + this.ctx = ctx; + } + + TilingPattern.prototype = { + createPatternCanvas: function TilinPattern_createPatternCanvas(owner) { + var operatorList = this.operatorList; + var bbox = this.bbox; + var xstep = this.xstep; + var ystep = this.ystep; + var paintType = this.paintType; + var tilingType = this.tilingType; + var color = this.color; + var canvasGraphicsFactory = this.canvasGraphicsFactory; + (0, _util.info)("TilingType: " + tilingType); + var x0 = bbox[0], + y0 = bbox[1], + x1 = bbox[2], + y1 = bbox[3]; + + var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix); + + var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform); + + var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]]; + var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]); + var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]); + var tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true); + var tmpCtx = tmpCanvas.context; + var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx); + graphics.groupLevel = owner.groupLevel; + this.setFillAndStrokeStyleToContext(graphics, paintType, color); + graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0); + graphics.transform(1, 0, 0, 1, -x0, -y0); + this.clipBbox(graphics, bbox, x0, y0, x1, y1); + graphics.executeOperatorList(operatorList); + this.ctx.transform(1, 0, 0, 1, x0, y0); + this.ctx.scale(1 / dimx.scale, 1 / dimy.scale); + return tmpCanvas.canvas; + }, + getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) { + step = Math.abs(step); + var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize); + var size = Math.ceil(step * scale); + + if (size >= maxSize) { + size = maxSize; + } else { + scale = size / step; + } + + return { + scale, + size + }; + }, + clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) { + if (Array.isArray(bbox) && bbox.length === 4) { + var bboxWidth = x1 - x0; + var bboxHeight = y1 - y0; + graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight); + graphics.clip(); + graphics.endPath(); + } + }, + setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) { + const context = graphics.ctx, + current = graphics.current; + + switch (paintType) { + case PaintType.COLORED: + var ctx = this.ctx; + context.fillStyle = ctx.fillStyle; + context.strokeStyle = ctx.strokeStyle; + current.fillColor = ctx.fillStyle; + current.strokeColor = ctx.strokeStyle; + break; + + case PaintType.UNCOLORED: + var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]); + + context.fillStyle = cssColor; + context.strokeStyle = cssColor; + current.fillColor = cssColor; + current.strokeColor = cssColor; + break; + + default: + throw new _util.FormatError(`Unsupported paint type: ${paintType}`); + } + }, + getPattern: function TilingPattern_getPattern(ctx, owner) { + ctx = this.ctx; + ctx.setTransform.apply(ctx, this.baseTransform); + ctx.transform.apply(ctx, this.matrix); + var temporaryPatternCanvas = this.createPatternCanvas(owner); + return ctx.createPattern(temporaryPatternCanvas, "repeat"); + } + }; + return TilingPattern; +}(); + +exports.TilingPattern = TilingPattern; + +/***/ }), +/* 10 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.GlobalWorkerOptions = void 0; +const GlobalWorkerOptions = Object.create(null); +exports.GlobalWorkerOptions = GlobalWorkerOptions; +GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort; +GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc; + +/***/ }), +/* 11 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.MessageHandler = void 0; + +var _util = __w_pdfjs_require__(1); + +const CallbackKind = { + UNKNOWN: 0, + DATA: 1, + ERROR: 2 +}; +const StreamKind = { + UNKNOWN: 0, + CANCEL: 1, + CANCEL_COMPLETE: 2, + CLOSE: 3, + ENQUEUE: 4, + ERROR: 5, + PULL: 6, + PULL_COMPLETE: 7, + START_COMPLETE: 8 +}; + +function wrapReason(reason) { + if (typeof reason !== "object" || reason === null) { + return reason; + } + + switch (reason.name) { + case "AbortException": + return new _util.AbortException(reason.message); + + case "MissingPDFException": + return new _util.MissingPDFException(reason.message); + + case "UnexpectedResponseException": + return new _util.UnexpectedResponseException(reason.message, reason.status); + + case "UnknownErrorException": + return new _util.UnknownErrorException(reason.message, reason.details); + + default: + return new _util.UnknownErrorException(reason.message, reason.toString()); + } +} + +class MessageHandler { + constructor(sourceName, targetName, comObj) { + this.sourceName = sourceName; + this.targetName = targetName; + this.comObj = comObj; + this.callbackId = 1; + this.streamId = 1; + this.postMessageTransfers = true; + this.streamSinks = Object.create(null); + this.streamControllers = Object.create(null); + this.callbackCapabilities = Object.create(null); + this.actionHandler = Object.create(null); + + this._onComObjOnMessage = event => { + const data = event.data; + + if (data.targetName !== this.sourceName) { + return; + } + + if (data.stream) { + this._processStreamMessage(data); + + return; + } + + if (data.callback) { + const callbackId = data.callbackId; + const capability = this.callbackCapabilities[callbackId]; + + if (!capability) { + throw new Error(`Cannot resolve callback ${callbackId}`); + } + + delete this.callbackCapabilities[callbackId]; + + if (data.callback === CallbackKind.DATA) { + capability.resolve(data.data); + } else if (data.callback === CallbackKind.ERROR) { + capability.reject(wrapReason(data.reason)); + } else { + throw new Error("Unexpected callback case"); + } + + return; + } + + const action = this.actionHandler[data.action]; + + if (!action) { + throw new Error(`Unknown action from worker: ${data.action}`); + } + + if (data.callbackId) { + const sourceName = this.sourceName; + const targetName = data.sourceName; + new Promise(function (resolve) { + resolve(action(data.data)); + }).then(function (result) { + comObj.postMessage({ + sourceName, + targetName, + callback: CallbackKind.DATA, + callbackId: data.callbackId, + data: result + }); + }, function (reason) { + comObj.postMessage({ + sourceName, + targetName, + callback: CallbackKind.ERROR, + callbackId: data.callbackId, + reason: wrapReason(reason) + }); + }); + return; + } + + if (data.streamId) { + this._createStreamSink(data); + + return; + } + + action(data.data); + }; + + comObj.addEventListener("message", this._onComObjOnMessage); + } + + on(actionName, handler) { + const ah = this.actionHandler; + + if (ah[actionName]) { + throw new Error(`There is already an actionName called "${actionName}"`); + } + + ah[actionName] = handler; + } + + send(actionName, data, transfers) { + this._postMessage({ + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + data + }, transfers); + } + + sendWithPromise(actionName, data, transfers) { + const callbackId = this.callbackId++; + const capability = (0, _util.createPromiseCapability)(); + this.callbackCapabilities[callbackId] = capability; + + try { + this._postMessage({ + sourceName: this.sourceName, + targetName: this.targetName, + action: actionName, + callbackId, + data + }, transfers); + } catch (ex) { + capability.reject(ex); + } + + return capability.promise; + } + + sendWithStream(actionName, data, queueingStrategy, transfers) { + const streamId = this.streamId++; + const sourceName = this.sourceName; + const targetName = this.targetName; + const comObj = this.comObj; + return new ReadableStream({ + start: controller => { + const startCapability = (0, _util.createPromiseCapability)(); + this.streamControllers[streamId] = { + controller, + startCall: startCapability, + pullCall: null, + cancelCall: null, + isClosed: false + }; + + this._postMessage({ + sourceName, + targetName, + action: actionName, + streamId, + data, + desiredSize: controller.desiredSize + }, transfers); + + return startCapability.promise; + }, + pull: controller => { + const pullCapability = (0, _util.createPromiseCapability)(); + this.streamControllers[streamId].pullCall = pullCapability; + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.PULL, + streamId, + desiredSize: controller.desiredSize + }); + return pullCapability.promise; + }, + cancel: reason => { + (0, _util.assert)(reason instanceof Error, "cancel must have a valid reason"); + const cancelCapability = (0, _util.createPromiseCapability)(); + this.streamControllers[streamId].cancelCall = cancelCapability; + this.streamControllers[streamId].isClosed = true; + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.CANCEL, + streamId, + reason: wrapReason(reason) + }); + return cancelCapability.promise; + } + }, queueingStrategy); + } + + _createStreamSink(data) { + const self = this; + const action = this.actionHandler[data.action]; + const streamId = data.streamId; + const sourceName = this.sourceName; + const targetName = data.sourceName; + const comObj = this.comObj; + const streamSink = { + enqueue(chunk, size = 1, transfers) { + if (this.isCancelled) { + return; + } + + const lastDesiredSize = this.desiredSize; + this.desiredSize -= size; + + if (lastDesiredSize > 0 && this.desiredSize <= 0) { + this.sinkCapability = (0, _util.createPromiseCapability)(); + this.ready = this.sinkCapability.promise; + } + + self._postMessage({ + sourceName, + targetName, + stream: StreamKind.ENQUEUE, + streamId, + chunk + }, transfers); + }, + + close() { + if (this.isCancelled) { + return; + } + + this.isCancelled = true; + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.CLOSE, + streamId + }); + delete self.streamSinks[streamId]; + }, + + error(reason) { + (0, _util.assert)(reason instanceof Error, "error must have a valid reason"); + + if (this.isCancelled) { + return; + } + + this.isCancelled = true; + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.ERROR, + streamId, + reason: wrapReason(reason) + }); + }, + + sinkCapability: (0, _util.createPromiseCapability)(), + onPull: null, + onCancel: null, + isCancelled: false, + desiredSize: data.desiredSize, + ready: null + }; + streamSink.sinkCapability.resolve(); + streamSink.ready = streamSink.sinkCapability.promise; + this.streamSinks[streamId] = streamSink; + new Promise(function (resolve) { + resolve(action(data.data, streamSink)); + }).then(function () { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.START_COMPLETE, + streamId, + success: true + }); + }, function (reason) { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.START_COMPLETE, + streamId, + reason: wrapReason(reason) + }); + }); + } + + _processStreamMessage(data) { + const streamId = data.streamId; + const sourceName = this.sourceName; + const targetName = data.sourceName; + const comObj = this.comObj; + + switch (data.stream) { + case StreamKind.START_COMPLETE: + if (data.success) { + this.streamControllers[streamId].startCall.resolve(); + } else { + this.streamControllers[streamId].startCall.reject(wrapReason(data.reason)); + } + + break; + + case StreamKind.PULL_COMPLETE: + if (data.success) { + this.streamControllers[streamId].pullCall.resolve(); + } else { + this.streamControllers[streamId].pullCall.reject(wrapReason(data.reason)); + } + + break; + + case StreamKind.PULL: + if (!this.streamSinks[streamId]) { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.PULL_COMPLETE, + streamId, + success: true + }); + break; + } + + if (this.streamSinks[streamId].desiredSize <= 0 && data.desiredSize > 0) { + this.streamSinks[streamId].sinkCapability.resolve(); + } + + this.streamSinks[streamId].desiredSize = data.desiredSize; + const { + onPull + } = this.streamSinks[data.streamId]; + new Promise(function (resolve) { + resolve(onPull && onPull()); + }).then(function () { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.PULL_COMPLETE, + streamId, + success: true + }); + }, function (reason) { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.PULL_COMPLETE, + streamId, + reason: wrapReason(reason) + }); + }); + break; + + case StreamKind.ENQUEUE: + (0, _util.assert)(this.streamControllers[streamId], "enqueue should have stream controller"); + + if (this.streamControllers[streamId].isClosed) { + break; + } + + this.streamControllers[streamId].controller.enqueue(data.chunk); + break; + + case StreamKind.CLOSE: + (0, _util.assert)(this.streamControllers[streamId], "close should have stream controller"); + + if (this.streamControllers[streamId].isClosed) { + break; + } + + this.streamControllers[streamId].isClosed = true; + this.streamControllers[streamId].controller.close(); + + this._deleteStreamController(streamId); + + break; + + case StreamKind.ERROR: + (0, _util.assert)(this.streamControllers[streamId], "error should have stream controller"); + this.streamControllers[streamId].controller.error(wrapReason(data.reason)); + + this._deleteStreamController(streamId); + + break; + + case StreamKind.CANCEL_COMPLETE: + if (data.success) { + this.streamControllers[streamId].cancelCall.resolve(); + } else { + this.streamControllers[streamId].cancelCall.reject(wrapReason(data.reason)); + } + + this._deleteStreamController(streamId); + + break; + + case StreamKind.CANCEL: + if (!this.streamSinks[streamId]) { + break; + } + + const { + onCancel + } = this.streamSinks[data.streamId]; + new Promise(function (resolve) { + resolve(onCancel && onCancel(wrapReason(data.reason))); + }).then(function () { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.CANCEL_COMPLETE, + streamId, + success: true + }); + }, function (reason) { + comObj.postMessage({ + sourceName, + targetName, + stream: StreamKind.CANCEL_COMPLETE, + streamId, + reason: wrapReason(reason) + }); + }); + this.streamSinks[streamId].sinkCapability.reject(wrapReason(data.reason)); + this.streamSinks[streamId].isCancelled = true; + delete this.streamSinks[streamId]; + break; + + default: + throw new Error("Unexpected stream case"); + } + } + + async _deleteStreamController(streamId) { + await Promise.allSettled([this.streamControllers[streamId].startCall, this.streamControllers[streamId].pullCall, this.streamControllers[streamId].cancelCall].map(function (capability) { + return capability && capability.promise; + })); + delete this.streamControllers[streamId]; + } + + _postMessage(message, transfers) { + if (transfers && this.postMessageTransfers) { + this.comObj.postMessage(message, transfers); + } else { + this.comObj.postMessage(message); + } + } + + destroy() { + this.comObj.removeEventListener("message", this._onComObjOnMessage); + } + +} + +exports.MessageHandler = MessageHandler; + +/***/ }), +/* 12 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.Metadata = void 0; + +var _util = __w_pdfjs_require__(1); + +var _xml_parser = __w_pdfjs_require__(13); + +class Metadata { + constructor(data) { + (0, _util.assert)(typeof data === "string", "Metadata: input is not a string"); + data = this._repair(data); + const parser = new _xml_parser.SimpleXMLParser(); + const xmlDocument = parser.parseFromString(data); + this._metadataMap = new Map(); + + if (xmlDocument) { + this._parse(xmlDocument); + } + } + + _repair(data) { + return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) { + const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) { + return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1); + }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) { + switch (name) { + case "amp": + return "&"; + + case "apos": + return "'"; + + case "gt": + return ">"; + + case "lt": + return "<"; + + case "quot": + return '"'; + } + + throw new Error(`_repair: ${name} isn't defined.`); + }); + let chars = ""; + + for (let i = 0, ii = bytes.length; i < ii; i += 2) { + const code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1); + + if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) { + chars += String.fromCharCode(code); + } else { + chars += "&#x" + (0x10000 + code).toString(16).substring(1) + ";"; + } + } + + return ">" + chars; + }); + } + + _parse(xmlDocument) { + let rdf = xmlDocument.documentElement; + + if (rdf.nodeName.toLowerCase() !== "rdf:rdf") { + rdf = rdf.firstChild; + + while (rdf && rdf.nodeName.toLowerCase() !== "rdf:rdf") { + rdf = rdf.nextSibling; + } + } + + const nodeName = rdf ? rdf.nodeName.toLowerCase() : null; + + if (!rdf || nodeName !== "rdf:rdf" || !rdf.hasChildNodes()) { + return; + } + + const children = rdf.childNodes; + + for (let i = 0, ii = children.length; i < ii; i++) { + const desc = children[i]; + + if (desc.nodeName.toLowerCase() !== "rdf:description") { + continue; + } + + for (let j = 0, jj = desc.childNodes.length; j < jj; j++) { + if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") { + const entry = desc.childNodes[j]; + const name = entry.nodeName.toLowerCase(); + + this._metadataMap.set(name, entry.textContent.trim()); + } + } + } + } + + get(name) { + return this._metadataMap.has(name) ? this._metadataMap.get(name) : null; + } + + getAll() { + const obj = Object.create(null); + + for (const [key, value] of this._metadataMap) { + obj[key] = value; + } + + return obj; + } + + has(name) { + return this._metadataMap.has(name); + } + +} + +exports.Metadata = Metadata; + +/***/ }), +/* 13 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.SimpleXMLParser = void 0; +const XMLParserErrorCode = { + NoError: 0, + EndOfDocument: -1, + UnterminatedCdat: -2, + UnterminatedXmlDeclaration: -3, + UnterminatedDoctypeDeclaration: -4, + UnterminatedComment: -5, + MalformedElement: -6, + OutOfMemory: -7, + UnterminatedAttributeValue: -8, + UnterminatedElement: -9, + ElementNeverBegun: -10 +}; + +function isWhitespace(s, index) { + const ch = s[index]; + return ch === " " || ch === "\n" || ch === "\r" || ch === "\t"; +} + +function isWhitespaceString(s) { + for (let i = 0, ii = s.length; i < ii; i++) { + if (!isWhitespace(s, i)) { + return false; + } + } + + return true; +} + +class XMLParserBase { + _resolveEntities(s) { + return s.replace(/&([^;]+);/g, (all, entity) => { + if (entity.substring(0, 2) === "#x") { + return String.fromCharCode(parseInt(entity.substring(2), 16)); + } else if (entity.substring(0, 1) === "#") { + return String.fromCharCode(parseInt(entity.substring(1), 10)); + } + + switch (entity) { + case "lt": + return "<"; + + case "gt": + return ">"; + + case "amp": + return "&"; + + case "quot": + return '"'; + } + + return this.onResolveEntity(entity); + }); + } + + _parseContent(s, start) { + const attributes = []; + let pos = start; + + function skipWs() { + while (pos < s.length && isWhitespace(s, pos)) { + ++pos; + } + } + + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") { + ++pos; + } + + const name = s.substring(start, pos); + skipWs(); + + while (pos < s.length && s[pos] !== ">" && s[pos] !== "/" && s[pos] !== "?") { + skipWs(); + let attrName = "", + attrValue = ""; + + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== "=") { + attrName += s[pos]; + ++pos; + } + + skipWs(); + + if (s[pos] !== "=") { + return null; + } + + ++pos; + skipWs(); + const attrEndChar = s[pos]; + + if (attrEndChar !== '"' && attrEndChar !== "'") { + return null; + } + + const attrEndIndex = s.indexOf(attrEndChar, ++pos); + + if (attrEndIndex < 0) { + return null; + } + + attrValue = s.substring(pos, attrEndIndex); + attributes.push({ + name: attrName, + value: this._resolveEntities(attrValue) + }); + pos = attrEndIndex + 1; + skipWs(); + } + + return { + name, + attributes, + parsed: pos - start + }; + } + + _parseProcessingInstruction(s, start) { + let pos = start; + + function skipWs() { + while (pos < s.length && isWhitespace(s, pos)) { + ++pos; + } + } + + while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== ">" && s[pos] !== "/") { + ++pos; + } + + const name = s.substring(start, pos); + skipWs(); + const attrStart = pos; + + while (pos < s.length && (s[pos] !== "?" || s[pos + 1] !== ">")) { + ++pos; + } + + const value = s.substring(attrStart, pos); + return { + name, + value, + parsed: pos - start + }; + } + + parseXml(s) { + let i = 0; + + while (i < s.length) { + const ch = s[i]; + let j = i; + + if (ch === "<") { + ++j; + const ch2 = s[j]; + let q; + + switch (ch2) { + case "/": + ++j; + q = s.indexOf(">", j); + + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedElement); + return; + } + + this.onEndElement(s.substring(j, q)); + j = q + 1; + break; + + case "?": + ++j; + + const pi = this._parseProcessingInstruction(s, j); + + if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== "?>") { + this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration); + return; + } + + this.onPi(pi.name, pi.value); + j += pi.parsed + 2; + break; + + case "!": + if (s.substring(j + 1, j + 3) === "--") { + q = s.indexOf("-->", j + 3); + + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedComment); + return; + } + + this.onComment(s.substring(j + 3, q)); + j = q + 3; + } else if (s.substring(j + 1, j + 8) === "[CDATA[") { + q = s.indexOf("]]>", j + 8); + + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedCdat); + return; + } + + this.onCdata(s.substring(j + 8, q)); + j = q + 3; + } else if (s.substring(j + 1, j + 8) === "DOCTYPE") { + const q2 = s.indexOf("[", j + 8); + let complexDoctype = false; + q = s.indexOf(">", j + 8); + + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration); + return; + } + + if (q2 > 0 && q > q2) { + q = s.indexOf("]>", j + 8); + + if (q < 0) { + this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration); + return; + } + + complexDoctype = true; + } + + const doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0)); + this.onDoctype(doctypeContent); + j = q + (complexDoctype ? 2 : 1); + } else { + this.onError(XMLParserErrorCode.MalformedElement); + return; + } + + break; + + default: + const content = this._parseContent(s, j); + + if (content === null) { + this.onError(XMLParserErrorCode.MalformedElement); + return; + } + + let isClosed = false; + + if (s.substring(j + content.parsed, j + content.parsed + 2) === "/>") { + isClosed = true; + } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== ">") { + this.onError(XMLParserErrorCode.UnterminatedElement); + return; + } + + this.onBeginElement(content.name, content.attributes, isClosed); + j += content.parsed + (isClosed ? 2 : 1); + break; + } + } else { + while (j < s.length && s[j] !== "<") { + j++; + } + + const text = s.substring(i, j); + this.onText(this._resolveEntities(text)); + } + + i = j; + } + } + + onResolveEntity(name) { + return `&${name};`; + } + + onPi(name, value) {} + + onComment(text) {} + + onCdata(text) {} + + onDoctype(doctypeContent) {} + + onText(text) {} + + onBeginElement(name, attributes, isEmpty) {} + + onEndElement(name) {} + + onError(code) {} + +} + +class SimpleDOMNode { + constructor(nodeName, nodeValue) { + this.nodeName = nodeName; + this.nodeValue = nodeValue; + Object.defineProperty(this, "parentNode", { + value: null, + writable: true + }); + } + + get firstChild() { + return this.childNodes && this.childNodes[0]; + } + + get nextSibling() { + const childNodes = this.parentNode.childNodes; + + if (!childNodes) { + return undefined; + } + + const index = childNodes.indexOf(this); + + if (index === -1) { + return undefined; + } + + return childNodes[index + 1]; + } + + get textContent() { + if (!this.childNodes) { + return this.nodeValue || ""; + } + + return this.childNodes.map(function (child) { + return child.textContent; + }).join(""); + } + + hasChildNodes() { + return this.childNodes && this.childNodes.length > 0; + } + +} + +class SimpleXMLParser extends XMLParserBase { + constructor() { + super(); + this._currentFragment = null; + this._stack = null; + this._errorCode = XMLParserErrorCode.NoError; + } + + parseFromString(data) { + this._currentFragment = []; + this._stack = []; + this._errorCode = XMLParserErrorCode.NoError; + this.parseXml(data); + + if (this._errorCode !== XMLParserErrorCode.NoError) { + return undefined; + } + + const [documentElement] = this._currentFragment; + + if (!documentElement) { + return undefined; + } + + return { + documentElement + }; + } + + onResolveEntity(name) { + switch (name) { + case "apos": + return "'"; + } + + return super.onResolveEntity(name); + } + + onText(text) { + if (isWhitespaceString(text)) { + return; + } + + const node = new SimpleDOMNode("#text", text); + + this._currentFragment.push(node); + } + + onCdata(text) { + const node = new SimpleDOMNode("#text", text); + + this._currentFragment.push(node); + } + + onBeginElement(name, attributes, isEmpty) { + const node = new SimpleDOMNode(name); + node.childNodes = []; + + this._currentFragment.push(node); + + if (isEmpty) { + return; + } + + this._stack.push(this._currentFragment); + + this._currentFragment = node.childNodes; + } + + onEndElement(name) { + this._currentFragment = this._stack.pop() || []; + const lastElement = this._currentFragment[this._currentFragment.length - 1]; + + if (!lastElement) { + return; + } + + for (let i = 0, ii = lastElement.childNodes.length; i < ii; i++) { + lastElement.childNodes[i].parentNode = lastElement; + } + } + + onError(code) { + this._errorCode = code; + } + +} + +exports.SimpleXMLParser = SimpleXMLParser; + +/***/ }), +/* 14 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFDataTransportStream = void 0; + +var _util = __w_pdfjs_require__(1); + +class PDFDataTransportStream { + constructor(params, pdfDataRangeTransport) { + (0, _util.assert)(pdfDataRangeTransport); + this._queuedChunks = []; + this._progressiveDone = params.progressiveDone || false; + const initialData = params.initialData; + + if (initialData && initialData.length > 0) { + const buffer = new Uint8Array(initialData).buffer; + + this._queuedChunks.push(buffer); + } + + this._pdfDataRangeTransport = pdfDataRangeTransport; + this._isStreamingSupported = !params.disableStream; + this._isRangeSupported = !params.disableRange; + this._contentLength = params.length; + this._fullRequestReader = null; + this._rangeReaders = []; + + this._pdfDataRangeTransport.addRangeListener((begin, chunk) => { + this._onReceiveData({ + begin, + chunk + }); + }); + + this._pdfDataRangeTransport.addProgressListener((loaded, total) => { + this._onProgress({ + loaded, + total + }); + }); + + this._pdfDataRangeTransport.addProgressiveReadListener(chunk => { + this._onReceiveData({ + chunk + }); + }); + + this._pdfDataRangeTransport.addProgressiveDoneListener(() => { + this._onProgressiveDone(); + }); + + this._pdfDataRangeTransport.transportReady(); + } + + _onReceiveData(args) { + const buffer = new Uint8Array(args.chunk).buffer; + + if (args.begin === undefined) { + if (this._fullRequestReader) { + this._fullRequestReader._enqueue(buffer); + } else { + this._queuedChunks.push(buffer); + } + } else { + const found = this._rangeReaders.some(function (rangeReader) { + if (rangeReader._begin !== args.begin) { + return false; + } + + rangeReader._enqueue(buffer); + + return true; + }); + + (0, _util.assert)(found); + } + } + + get _progressiveDataLength() { + return this._fullRequestReader ? this._fullRequestReader._loaded : 0; + } + + _onProgress(evt) { + if (evt.total === undefined) { + const firstReader = this._rangeReaders[0]; + + if (firstReader && firstReader.onProgress) { + firstReader.onProgress({ + loaded: evt.loaded + }); + } + } else { + const fullReader = this._fullRequestReader; + + if (fullReader && fullReader.onProgress) { + fullReader.onProgress({ + loaded: evt.loaded, + total: evt.total + }); + } + } + } + + _onProgressiveDone() { + if (this._fullRequestReader) { + this._fullRequestReader.progressiveDone(); + } + + this._progressiveDone = true; + } + + _removeRangeReader(reader) { + const i = this._rangeReaders.indexOf(reader); + + if (i >= 0) { + this._rangeReaders.splice(i, 1); + } + } + + getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + const queuedChunks = this._queuedChunks; + this._queuedChunks = null; + return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone); + } + + getRangeReader(begin, end) { + if (end <= this._progressiveDataLength) { + return null; + } + + const reader = new PDFDataTransportStreamRangeReader(this, begin, end); + + this._pdfDataRangeTransport.requestDataRange(begin, end); + + this._rangeReaders.push(reader); + + return reader; + } + + cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + + const readers = this._rangeReaders.slice(0); + + readers.forEach(function (rangeReader) { + rangeReader.cancel(reason); + }); + + this._pdfDataRangeTransport.abort(); + } + +} + +exports.PDFDataTransportStream = PDFDataTransportStream; + +class PDFDataTransportStreamReader { + constructor(stream, queuedChunks, progressiveDone = false) { + this._stream = stream; + this._done = progressiveDone || false; + this._filename = null; + this._queuedChunks = queuedChunks || []; + this._loaded = 0; + + for (const chunk of this._queuedChunks) { + this._loaded += chunk.byteLength; + } + + this._requests = []; + this._headersReady = Promise.resolve(); + stream._fullRequestReader = this; + this.onProgress = null; + } + + _enqueue(chunk) { + if (this._done) { + return; + } + + if (this._requests.length > 0) { + const requestCapability = this._requests.shift(); + + requestCapability.resolve({ + value: chunk, + done: false + }); + } else { + this._queuedChunks.push(chunk); + } + + this._loaded += chunk.byteLength; + } + + get headersReady() { + return this._headersReady; + } + + get filename() { + return this._filename; + } + + get isRangeSupported() { + return this._stream._isRangeSupported; + } + + get isStreamingSupported() { + return this._stream._isStreamingSupported; + } + + get contentLength() { + return this._stream._contentLength; + } + + async read() { + if (this._queuedChunks.length > 0) { + const chunk = this._queuedChunks.shift(); + + return { + value: chunk, + done: false + }; + } + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + const requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + + return requestCapability.promise; + } + + cancel(reason) { + this._done = true; + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + } + + progressiveDone() { + if (this._done) { + return; + } + + this._done = true; + } + +} + +class PDFDataTransportStreamRangeReader { + constructor(stream, begin, end) { + this._stream = stream; + this._begin = begin; + this._end = end; + this._queuedChunk = null; + this._requests = []; + this._done = false; + this.onProgress = null; + } + + _enqueue(chunk) { + if (this._done) { + return; + } + + if (this._requests.length === 0) { + this._queuedChunk = chunk; + } else { + const requestsCapability = this._requests.shift(); + + requestsCapability.resolve({ + value: chunk, + done: false + }); + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + } + + this._done = true; + + this._stream._removeRangeReader(this); + } + + get isStreamingSupported() { + return false; + } + + async read() { + if (this._queuedChunk) { + const chunk = this._queuedChunk; + this._queuedChunk = null; + return { + value: chunk, + done: false + }; + } + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + const requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + + return requestCapability.promise; + } + + cancel(reason) { + this._done = true; + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + + this._stream._removeRangeReader(this); + } + +} + +/***/ }), +/* 15 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.WebGLContext = void 0; + +var _util = __w_pdfjs_require__(1); + +class WebGLContext { + constructor({ + enable = false + }) { + this._enabled = enable === true; + } + + get isEnabled() { + let enabled = this._enabled; + + if (enabled) { + enabled = WebGLUtils.tryInitGL(); + } + + return (0, _util.shadow)(this, "isEnabled", enabled); + } + + composeSMask({ + layer, + mask, + properties + }) { + return WebGLUtils.composeSMask(layer, mask, properties); + } + + drawFigures({ + width, + height, + backgroundColor, + figures, + context + }) { + return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context); + } + + clear() { + WebGLUtils.cleanup(); + } + +} + +exports.WebGLContext = WebGLContext; + +var WebGLUtils = function WebGLUtilsClosure() { + function loadShader(gl, code, shaderType) { + var shader = gl.createShader(shaderType); + gl.shaderSource(shader, code); + gl.compileShader(shader); + var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS); + + if (!compiled) { + var errorMsg = gl.getShaderInfoLog(shader); + throw new Error("Error during shader compilation: " + errorMsg); + } + + return shader; + } + + function createVertexShader(gl, code) { + return loadShader(gl, code, gl.VERTEX_SHADER); + } + + function createFragmentShader(gl, code) { + return loadShader(gl, code, gl.FRAGMENT_SHADER); + } + + function createProgram(gl, shaders) { + var program = gl.createProgram(); + + for (var i = 0, ii = shaders.length; i < ii; ++i) { + gl.attachShader(program, shaders[i]); + } + + gl.linkProgram(program); + var linked = gl.getProgramParameter(program, gl.LINK_STATUS); + + if (!linked) { + var errorMsg = gl.getProgramInfoLog(program); + throw new Error("Error during program linking: " + errorMsg); + } + + return program; + } + + function createTexture(gl, image, textureId) { + gl.activeTexture(textureId); + var texture = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, texture); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image); + return texture; + } + + var currentGL, currentCanvas; + + function generateGL() { + if (currentGL) { + return; + } + + currentCanvas = document.createElement("canvas"); + currentGL = currentCanvas.getContext("webgl", { + premultipliedalpha: false + }); + } + + var smaskVertexShaderCode = "\ + attribute vec2 a_position; \ + attribute vec2 a_texCoord; \ + \ + uniform vec2 u_resolution; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_texCoord = a_texCoord; \ + } "; + var smaskFragmentShaderCode = "\ + precision mediump float; \ + \ + uniform vec4 u_backdrop; \ + uniform int u_subtype; \ + uniform sampler2D u_image; \ + uniform sampler2D u_mask; \ + \ + varying vec2 v_texCoord; \ + \ + void main() { \ + vec4 imageColor = texture2D(u_image, v_texCoord); \ + vec4 maskColor = texture2D(u_mask, v_texCoord); \ + if (u_backdrop.a > 0.0) { \ + maskColor.rgb = maskColor.rgb * maskColor.a + \ + u_backdrop.rgb * (1.0 - maskColor.a); \ + } \ + float lum; \ + if (u_subtype == 0) { \ + lum = maskColor.a; \ + } else { \ + lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \ + maskColor.b * 0.11; \ + } \ + imageColor.a *= lum; \ + imageColor.rgb *= imageColor.a; \ + gl_FragColor = imageColor; \ + } "; + var smaskCache = null; + + function initSmaskGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, smaskVertexShaderCode); + var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution"); + cache.positionLocation = gl.getAttribLocation(program, "a_position"); + cache.backdropLocation = gl.getUniformLocation(program, "u_backdrop"); + cache.subtypeLocation = gl.getUniformLocation(program, "u_subtype"); + var texCoordLocation = gl.getAttribLocation(program, "a_texCoord"); + var texLayerLocation = gl.getUniformLocation(program, "u_image"); + var texMaskLocation = gl.getUniformLocation(program, "u_mask"); + var texCoordBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(texCoordLocation); + gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0); + gl.uniform1i(texLayerLocation, 0); + gl.uniform1i(texMaskLocation, 1); + smaskCache = cache; + } + + function composeSMask(layer, mask, properties) { + var width = layer.width, + height = layer.height; + + if (!smaskCache) { + initSmaskGL(); + } + + var cache = smaskCache, + canvas = cache.canvas, + gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + + if (properties.backdrop) { + gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1); + } else { + gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0); + } + + gl.uniform1i(cache.subtypeLocation, properties.subtype === "Luminosity" ? 1 : 0); + var texture = createTexture(gl, layer, gl.TEXTURE0); + var maskTexture = createTexture(gl, mask, gl.TEXTURE1); + var buffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, buffer); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + gl.clearColor(0, 0, 0, 0); + gl.enable(gl.BLEND); + gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA); + gl.clear(gl.COLOR_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 6); + gl.flush(); + gl.deleteTexture(texture); + gl.deleteTexture(maskTexture); + gl.deleteBuffer(buffer); + return canvas; + } + + var figuresVertexShaderCode = "\ + attribute vec2 a_position; \ + attribute vec3 a_color; \ + \ + uniform vec2 u_resolution; \ + uniform vec2 u_scale; \ + uniform vec2 u_offset; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + vec2 position = (a_position + u_offset) * u_scale; \ + vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \ + gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \ + \ + v_color = vec4(a_color / 255.0, 1.0); \ + } "; + var figuresFragmentShaderCode = "\ + precision mediump float; \ + \ + varying vec4 v_color; \ + \ + void main() { \ + gl_FragColor = v_color; \ + } "; + var figuresCache = null; + + function initFiguresGL() { + var canvas, gl; + generateGL(); + canvas = currentCanvas; + currentCanvas = null; + gl = currentGL; + currentGL = null; + var vertexShader = createVertexShader(gl, figuresVertexShaderCode); + var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode); + var program = createProgram(gl, [vertexShader, fragmentShader]); + gl.useProgram(program); + var cache = {}; + cache.gl = gl; + cache.canvas = canvas; + cache.resolutionLocation = gl.getUniformLocation(program, "u_resolution"); + cache.scaleLocation = gl.getUniformLocation(program, "u_scale"); + cache.offsetLocation = gl.getUniformLocation(program, "u_offset"); + cache.positionLocation = gl.getAttribLocation(program, "a_position"); + cache.colorLocation = gl.getAttribLocation(program, "a_color"); + figuresCache = cache; + } + + function drawFigures(width, height, backgroundColor, figures, context) { + if (!figuresCache) { + initFiguresGL(); + } + + var cache = figuresCache, + canvas = cache.canvas, + gl = cache.gl; + canvas.width = width; + canvas.height = height; + gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight); + gl.uniform2f(cache.resolutionLocation, width, height); + var count = 0; + var i, ii, rows; + + for (i = 0, ii = figures.length; i < ii; i++) { + switch (figures[i].type) { + case "lattice": + rows = figures[i].coords.length / figures[i].verticesPerRow | 0; + count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6; + break; + + case "triangles": + count += figures[i].coords.length; + break; + } + } + + var coords = new Float32Array(count * 2); + var colors = new Uint8Array(count * 3); + var coordsMap = context.coords, + colorsMap = context.colors; + var pIndex = 0, + cIndex = 0; + + for (i = 0, ii = figures.length; i < ii; i++) { + var figure = figures[i], + ps = figure.coords, + cs = figure.colors; + + switch (figure.type) { + case "lattice": + var cols = figure.verticesPerRow; + rows = ps.length / cols | 0; + + for (var row = 1; row < rows; row++) { + var offset = row * cols + 1; + + for (var col = 1; col < cols; col++, offset++) { + coords[pIndex] = coordsMap[ps[offset - cols - 1]]; + coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1]; + coords[pIndex + 2] = coordsMap[ps[offset - cols]]; + coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1]; + coords[pIndex + 4] = coordsMap[ps[offset - 1]]; + coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1]; + colors[cIndex] = colorsMap[cs[offset - cols - 1]]; + colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1]; + colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2]; + colors[cIndex + 3] = colorsMap[cs[offset - cols]]; + colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1]; + colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2]; + colors[cIndex + 6] = colorsMap[cs[offset - 1]]; + colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1]; + colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2]; + coords[pIndex + 6] = coords[pIndex + 2]; + coords[pIndex + 7] = coords[pIndex + 3]; + coords[pIndex + 8] = coords[pIndex + 4]; + coords[pIndex + 9] = coords[pIndex + 5]; + coords[pIndex + 10] = coordsMap[ps[offset]]; + coords[pIndex + 11] = coordsMap[ps[offset] + 1]; + colors[cIndex + 9] = colors[cIndex + 3]; + colors[cIndex + 10] = colors[cIndex + 4]; + colors[cIndex + 11] = colors[cIndex + 5]; + colors[cIndex + 12] = colors[cIndex + 6]; + colors[cIndex + 13] = colors[cIndex + 7]; + colors[cIndex + 14] = colors[cIndex + 8]; + colors[cIndex + 15] = colorsMap[cs[offset]]; + colors[cIndex + 16] = colorsMap[cs[offset] + 1]; + colors[cIndex + 17] = colorsMap[cs[offset] + 2]; + pIndex += 12; + cIndex += 18; + } + } + + break; + + case "triangles": + for (var j = 0, jj = ps.length; j < jj; j++) { + coords[pIndex] = coordsMap[ps[j]]; + coords[pIndex + 1] = coordsMap[ps[j] + 1]; + colors[cIndex] = colorsMap[cs[j]]; + colors[cIndex + 1] = colorsMap[cs[j] + 1]; + colors[cIndex + 2] = colorsMap[cs[j] + 2]; + pIndex += 2; + cIndex += 3; + } + + break; + } + } + + if (backgroundColor) { + gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0); + } else { + gl.clearColor(0, 0, 0, 0); + } + + gl.clear(gl.COLOR_BUFFER_BIT); + var coordsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.positionLocation); + gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0); + var colorsBuffer = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer); + gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW); + gl.enableVertexAttribArray(cache.colorLocation); + gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0); + gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY); + gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY); + gl.drawArrays(gl.TRIANGLES, 0, count); + gl.flush(); + gl.deleteBuffer(coordsBuffer); + gl.deleteBuffer(colorsBuffer); + return canvas; + } + + return { + tryInitGL() { + try { + generateGL(); + return !!currentGL; + } catch (ex) {} + + return false; + }, + + composeSMask, + drawFigures, + + cleanup() { + if (smaskCache && smaskCache.canvas) { + smaskCache.canvas.width = 0; + smaskCache.canvas.height = 0; + } + + if (figuresCache && figuresCache.canvas) { + figuresCache.canvas.width = 0; + figuresCache.canvas.height = 0; + } + + smaskCache = null; + figuresCache = null; + } + + }; +}(); + +/***/ }), +/* 16 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.renderTextLayer = void 0; + +var _util = __w_pdfjs_require__(1); + +var renderTextLayer = function renderTextLayerClosure() { + var MAX_TEXT_DIVS_TO_RENDER = 100000; + var NonWhitespaceRegexp = /\S/; + + function isAllWhitespace(str) { + return !NonWhitespaceRegexp.test(str); + } + + function appendText(task, geom, styles) { + var textDiv = document.createElement("span"); + var textDivProperties = { + angle: 0, + canvasWidth: 0, + isWhitespace: false, + originalTransform: null, + paddingBottom: 0, + paddingLeft: 0, + paddingRight: 0, + paddingTop: 0, + scale: 1 + }; + + task._textDivs.push(textDiv); + + if (isAllWhitespace(geom.str)) { + textDivProperties.isWhitespace = true; + + task._textDivProperties.set(textDiv, textDivProperties); + + return; + } + + var tx = _util.Util.transform(task._viewport.transform, geom.transform); + + var angle = Math.atan2(tx[1], tx[0]); + var style = styles[geom.fontName]; + + if (style.vertical) { + angle += Math.PI / 2; + } + + var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]); + var fontAscent = fontHeight; + + if (style.ascent) { + fontAscent = style.ascent * fontAscent; + } else if (style.descent) { + fontAscent = (1 + style.descent) * fontAscent; + } + + let left, top; + + if (angle === 0) { + left = tx[4]; + top = tx[5] - fontAscent; + } else { + left = tx[4] + fontAscent * Math.sin(angle); + top = tx[5] - fontAscent * Math.cos(angle); + } + + textDiv.style.left = `${left}px`; + textDiv.style.top = `${top}px`; + textDiv.style.fontSize = `${fontHeight}px`; + textDiv.style.fontFamily = style.fontFamily; + textDiv.textContent = geom.str; + + if (task._fontInspectorEnabled) { + textDiv.dataset.fontName = geom.fontName; + } + + if (angle !== 0) { + textDivProperties.angle = angle * (180 / Math.PI); + } + + if (geom.str.length > 1) { + if (style.vertical) { + textDivProperties.canvasWidth = geom.height * task._viewport.scale; + } else { + textDivProperties.canvasWidth = geom.width * task._viewport.scale; + } + } + + task._textDivProperties.set(textDiv, textDivProperties); + + if (task._textContentStream) { + task._layoutText(textDiv); + } + + if (task._enhanceTextSelection) { + var angleCos = 1, + angleSin = 0; + + if (angle !== 0) { + angleCos = Math.cos(angle); + angleSin = Math.sin(angle); + } + + var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale; + var divHeight = fontHeight; + var m, b; + + if (angle !== 0) { + m = [angleCos, angleSin, -angleSin, angleCos, left, top]; + b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m); + } else { + b = [left, top, left + divWidth, top + divHeight]; + } + + task._bounds.push({ + left: b[0], + top: b[1], + right: b[2], + bottom: b[3], + div: textDiv, + size: [divWidth, divHeight], + m + }); + } + } + + function render(task) { + if (task._canceled) { + return; + } + + var textDivs = task._textDivs; + var capability = task._capability; + var textDivsLength = textDivs.length; + + if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) { + task._renderingDone = true; + capability.resolve(); + return; + } + + if (!task._textContentStream) { + for (var i = 0; i < textDivsLength; i++) { + task._layoutText(textDivs[i]); + } + } + + task._renderingDone = true; + capability.resolve(); + } + + function expand(task) { + var bounds = task._bounds; + var viewport = task._viewport; + var expanded = expandBounds(viewport.width, viewport.height, bounds); + + for (var i = 0; i < expanded.length; i++) { + var div = bounds[i].div; + + var divProperties = task._textDivProperties.get(div); + + if (divProperties.angle === 0) { + divProperties.paddingLeft = bounds[i].left - expanded[i].left; + divProperties.paddingTop = bounds[i].top - expanded[i].top; + divProperties.paddingRight = expanded[i].right - bounds[i].right; + divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom; + + task._textDivProperties.set(div, divProperties); + + continue; + } + + var e = expanded[i], + b = bounds[i]; + var m = b.m, + c = m[0], + s = m[1]; + var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size]; + var ts = new Float64Array(64); + points.forEach(function (p, i) { + var t = _util.Util.applyTransform(p, m); + + ts[i + 0] = c && (e.left - t[0]) / c; + ts[i + 4] = s && (e.top - t[1]) / s; + ts[i + 8] = c && (e.right - t[0]) / c; + ts[i + 12] = s && (e.bottom - t[1]) / s; + ts[i + 16] = s && (e.left - t[0]) / -s; + ts[i + 20] = c && (e.top - t[1]) / c; + ts[i + 24] = s && (e.right - t[0]) / -s; + ts[i + 28] = c && (e.bottom - t[1]) / c; + ts[i + 32] = c && (e.left - t[0]) / -c; + ts[i + 36] = s && (e.top - t[1]) / -s; + ts[i + 40] = c && (e.right - t[0]) / -c; + ts[i + 44] = s && (e.bottom - t[1]) / -s; + ts[i + 48] = s && (e.left - t[0]) / s; + ts[i + 52] = c && (e.top - t[1]) / -c; + ts[i + 56] = s && (e.right - t[0]) / s; + ts[i + 60] = c && (e.bottom - t[1]) / -c; + }); + + var findPositiveMin = function (ts, offset, count) { + var result = 0; + + for (var i = 0; i < count; i++) { + var t = ts[offset++]; + + if (t > 0) { + result = result ? Math.min(t, result) : t; + } + } + + return result; + }; + + var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s)); + divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale; + divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale; + divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale; + divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale; + + task._textDivProperties.set(div, divProperties); + } + } + + function expandBounds(width, height, boxes) { + var bounds = boxes.map(function (box, i) { + return { + x1: box.left, + y1: box.top, + x2: box.right, + y2: box.bottom, + index: i, + x1New: undefined, + x2New: undefined + }; + }); + expandBoundsLTR(width, bounds); + var expanded = new Array(boxes.length); + bounds.forEach(function (b) { + var i = b.index; + expanded[i] = { + left: b.x1New, + top: 0, + right: b.x2New, + bottom: 0 + }; + }); + boxes.map(function (box, i) { + var e = expanded[i], + b = bounds[i]; + b.x1 = box.top; + b.y1 = width - e.right; + b.x2 = box.bottom; + b.y2 = width - e.left; + b.index = i; + b.x1New = undefined; + b.x2New = undefined; + }); + expandBoundsLTR(height, bounds); + bounds.forEach(function (b) { + var i = b.index; + expanded[i].top = b.x1New; + expanded[i].bottom = b.x2New; + }); + return expanded; + } + + function expandBoundsLTR(width, bounds) { + bounds.sort(function (a, b) { + return a.x1 - b.x1 || a.index - b.index; + }); + var fakeBoundary = { + x1: -Infinity, + y1: -Infinity, + x2: 0, + y2: Infinity, + index: -1, + x1New: 0, + x2New: 0 + }; + var horizon = [{ + start: -Infinity, + end: Infinity, + boundary: fakeBoundary + }]; + bounds.forEach(function (boundary) { + var i = 0; + + while (i < horizon.length && horizon[i].end <= boundary.y1) { + i++; + } + + var j = horizon.length - 1; + + while (j >= 0 && horizon[j].start >= boundary.y2) { + j--; + } + + var horizonPart, affectedBoundary; + var q, + k, + maxXNew = -Infinity; + + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var xNew; + + if (affectedBoundary.x2 > boundary.x1) { + xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1; + } else if (affectedBoundary.x2New === undefined) { + xNew = (affectedBoundary.x2 + boundary.x1) / 2; + } else { + xNew = affectedBoundary.x2New; + } + + if (xNew > maxXNew) { + maxXNew = xNew; + } + } + + boundary.x1New = maxXNew; + + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + + if (affectedBoundary.x2New === undefined) { + if (affectedBoundary.x2 > boundary.x1) { + if (affectedBoundary.index > boundary.index) { + affectedBoundary.x2New = affectedBoundary.x2; + } + } else { + affectedBoundary.x2New = maxXNew; + } + } else if (affectedBoundary.x2New > maxXNew) { + affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2); + } + } + + var changedHorizon = [], + lastBoundary = null; + + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary; + + if (lastBoundary === useBoundary) { + changedHorizon[changedHorizon.length - 1].end = horizonPart.end; + } else { + changedHorizon.push({ + start: horizonPart.start, + end: horizonPart.end, + boundary: useBoundary + }); + lastBoundary = useBoundary; + } + } + + if (horizon[i].start < boundary.y1) { + changedHorizon[0].start = boundary.y1; + changedHorizon.unshift({ + start: horizon[i].start, + end: boundary.y1, + boundary: horizon[i].boundary + }); + } + + if (boundary.y2 < horizon[j].end) { + changedHorizon[changedHorizon.length - 1].end = boundary.y2; + changedHorizon.push({ + start: boundary.y2, + end: horizon[j].end, + boundary: horizon[j].boundary + }); + } + + for (q = i; q <= j; q++) { + horizonPart = horizon[q]; + affectedBoundary = horizonPart.boundary; + + if (affectedBoundary.x2New !== undefined) { + continue; + } + + var used = false; + + for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) { + used = horizon[k].boundary === affectedBoundary; + } + + for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) { + used = horizon[k].boundary === affectedBoundary; + } + + for (k = 0; !used && k < changedHorizon.length; k++) { + used = changedHorizon[k].boundary === affectedBoundary; + } + + if (!used) { + affectedBoundary.x2New = maxXNew; + } + } + + Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon)); + }); + horizon.forEach(function (horizonPart) { + var affectedBoundary = horizonPart.boundary; + + if (affectedBoundary.x2New === undefined) { + affectedBoundary.x2New = Math.max(width, affectedBoundary.x2); + } + }); + } + + function TextLayerRenderTask({ + textContent, + textContentStream, + container, + viewport, + textDivs, + textContentItemsStr, + enhanceTextSelection + }) { + this._textContent = textContent; + this._textContentStream = textContentStream; + this._container = container; + this._viewport = viewport; + this._textDivs = textDivs || []; + this._textContentItemsStr = textContentItemsStr || []; + this._enhanceTextSelection = !!enhanceTextSelection; + this._fontInspectorEnabled = !!(globalThis.FontInspector && globalThis.FontInspector.enabled); + this._reader = null; + this._layoutTextLastFontSize = null; + this._layoutTextLastFontFamily = null; + this._layoutTextCtx = null; + this._textDivProperties = new WeakMap(); + this._renderingDone = false; + this._canceled = false; + this._capability = (0, _util.createPromiseCapability)(); + this._renderTimer = null; + this._bounds = []; + + this._capability.promise.finally(() => { + if (this._layoutTextCtx) { + this._layoutTextCtx.canvas.width = 0; + this._layoutTextCtx.canvas.height = 0; + this._layoutTextCtx = null; + } + }).catch(() => {}); + } + + TextLayerRenderTask.prototype = { + get promise() { + return this._capability.promise; + }, + + cancel: function TextLayer_cancel() { + this._canceled = true; + + if (this._reader) { + this._reader.cancel(new _util.AbortException("TextLayer task cancelled.")); + + this._reader = null; + } + + if (this._renderTimer !== null) { + clearTimeout(this._renderTimer); + this._renderTimer = null; + } + + this._capability.reject(new Error("TextLayer task cancelled.")); + }, + + _processItems(items, styleCache) { + for (let i = 0, len = items.length; i < len; i++) { + this._textContentItemsStr.push(items[i].str); + + appendText(this, items[i], styleCache); + } + }, + + _layoutText(textDiv) { + const textDivProperties = this._textDivProperties.get(textDiv); + + if (textDivProperties.isWhitespace) { + return; + } + + let transform = ""; + + if (textDivProperties.canvasWidth !== 0) { + const { + fontSize, + fontFamily + } = textDiv.style; + + if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) { + this._layoutTextCtx.font = `${fontSize} ${fontFamily}`; + this._layoutTextLastFontSize = fontSize; + this._layoutTextLastFontFamily = fontFamily; + } + + const { + width + } = this._layoutTextCtx.measureText(textDiv.textContent); + + if (width > 0) { + textDivProperties.scale = textDivProperties.canvasWidth / width; + transform = `scaleX(${textDivProperties.scale})`; + } + } + + if (textDivProperties.angle !== 0) { + transform = `rotate(${textDivProperties.angle}deg) ${transform}`; + } + + if (transform.length > 0) { + if (this._enhanceTextSelection) { + textDivProperties.originalTransform = transform; + } + + textDiv.style.transform = transform; + } + + this._textDivProperties.set(textDiv, textDivProperties); + + this._container.appendChild(textDiv); + }, + + _render: function TextLayer_render(timeout) { + const capability = (0, _util.createPromiseCapability)(); + let styleCache = Object.create(null); + const canvas = document.createElement("canvas"); + canvas.mozOpaque = true; + this._layoutTextCtx = canvas.getContext("2d", { + alpha: false + }); + + if (this._textContent) { + const textItems = this._textContent.items; + const textStyles = this._textContent.styles; + + this._processItems(textItems, textStyles); + + capability.resolve(); + } else if (this._textContentStream) { + const pump = () => { + this._reader.read().then(({ + value, + done + }) => { + if (done) { + capability.resolve(); + return; + } + + Object.assign(styleCache, value.styles); + + this._processItems(value.items, styleCache); + + pump(); + }, capability.reject); + }; + + this._reader = this._textContentStream.getReader(); + pump(); + } else { + throw new Error('Neither "textContent" nor "textContentStream"' + " parameters specified."); + } + + capability.promise.then(() => { + styleCache = null; + + if (!timeout) { + render(this); + } else { + this._renderTimer = setTimeout(() => { + render(this); + this._renderTimer = null; + }, timeout); + } + }, this._capability.reject); + }, + expandTextDivs: function TextLayer_expandTextDivs(expandDivs) { + if (!this._enhanceTextSelection || !this._renderingDone) { + return; + } + + if (this._bounds !== null) { + expand(this); + this._bounds = null; + } + + const transformBuf = [], + paddingBuf = []; + + for (var i = 0, ii = this._textDivs.length; i < ii; i++) { + const div = this._textDivs[i]; + + const divProps = this._textDivProperties.get(div); + + if (divProps.isWhitespace) { + continue; + } + + if (expandDivs) { + transformBuf.length = 0; + paddingBuf.length = 0; + + if (divProps.originalTransform) { + transformBuf.push(divProps.originalTransform); + } + + if (divProps.paddingTop > 0) { + paddingBuf.push(`${divProps.paddingTop}px`); + transformBuf.push(`translateY(${-divProps.paddingTop}px)`); + } else { + paddingBuf.push(0); + } + + if (divProps.paddingRight > 0) { + paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`); + } else { + paddingBuf.push(0); + } + + if (divProps.paddingBottom > 0) { + paddingBuf.push(`${divProps.paddingBottom}px`); + } else { + paddingBuf.push(0); + } + + if (divProps.paddingLeft > 0) { + paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`); + transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`); + } else { + paddingBuf.push(0); + } + + div.style.padding = paddingBuf.join(" "); + + if (transformBuf.length) { + div.style.transform = transformBuf.join(" "); + } + } else { + div.style.padding = null; + div.style.transform = divProps.originalTransform; + } + } + } + }; + + function renderTextLayer(renderParameters) { + var task = new TextLayerRenderTask({ + textContent: renderParameters.textContent, + textContentStream: renderParameters.textContentStream, + container: renderParameters.container, + viewport: renderParameters.viewport, + textDivs: renderParameters.textDivs, + textContentItemsStr: renderParameters.textContentItemsStr, + enhanceTextSelection: renderParameters.enhanceTextSelection + }); + + task._render(renderParameters.timeout); + + return task; + } + + return renderTextLayer; +}(); + +exports.renderTextLayer = renderTextLayer; + +/***/ }), +/* 17 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.AnnotationLayer = void 0; + +var _display_utils = __w_pdfjs_require__(4); + +var _util = __w_pdfjs_require__(1); + +class AnnotationElementFactory { + static create(parameters) { + const subtype = parameters.data.annotationType; + + switch (subtype) { + case _util.AnnotationType.LINK: + return new LinkAnnotationElement(parameters); + + case _util.AnnotationType.TEXT: + return new TextAnnotationElement(parameters); + + case _util.AnnotationType.WIDGET: + const fieldType = parameters.data.fieldType; + + switch (fieldType) { + case "Tx": + return new TextWidgetAnnotationElement(parameters); + + case "Btn": + if (parameters.data.radioButton) { + return new RadioButtonWidgetAnnotationElement(parameters); + } else if (parameters.data.checkBox) { + return new CheckboxWidgetAnnotationElement(parameters); + } + + return new PushButtonWidgetAnnotationElement(parameters); + + case "Ch": + return new ChoiceWidgetAnnotationElement(parameters); + } + + return new WidgetAnnotationElement(parameters); + + case _util.AnnotationType.POPUP: + return new PopupAnnotationElement(parameters); + + case _util.AnnotationType.FREETEXT: + return new FreeTextAnnotationElement(parameters); + + case _util.AnnotationType.LINE: + return new LineAnnotationElement(parameters); + + case _util.AnnotationType.SQUARE: + return new SquareAnnotationElement(parameters); + + case _util.AnnotationType.CIRCLE: + return new CircleAnnotationElement(parameters); + + case _util.AnnotationType.POLYLINE: + return new PolylineAnnotationElement(parameters); + + case _util.AnnotationType.CARET: + return new CaretAnnotationElement(parameters); + + case _util.AnnotationType.INK: + return new InkAnnotationElement(parameters); + + case _util.AnnotationType.POLYGON: + return new PolygonAnnotationElement(parameters); + + case _util.AnnotationType.HIGHLIGHT: + return new HighlightAnnotationElement(parameters); + + case _util.AnnotationType.UNDERLINE: + return new UnderlineAnnotationElement(parameters); + + case _util.AnnotationType.SQUIGGLY: + return new SquigglyAnnotationElement(parameters); + + case _util.AnnotationType.STRIKEOUT: + return new StrikeOutAnnotationElement(parameters); + + case _util.AnnotationType.STAMP: + return new StampAnnotationElement(parameters); + + case _util.AnnotationType.FILEATTACHMENT: + return new FileAttachmentAnnotationElement(parameters); + + default: + return new AnnotationElement(parameters); + } + } + +} + +class AnnotationElement { + constructor(parameters, isRenderable = false, ignoreBorder = false) { + this.isRenderable = isRenderable; + this.data = parameters.data; + this.layer = parameters.layer; + this.page = parameters.page; + this.viewport = parameters.viewport; + this.linkService = parameters.linkService; + this.downloadManager = parameters.downloadManager; + this.imageResourcesPath = parameters.imageResourcesPath; + this.renderInteractiveForms = parameters.renderInteractiveForms; + this.svgFactory = parameters.svgFactory; + + if (isRenderable) { + this.container = this._createContainer(ignoreBorder); + } + } + + _createContainer(ignoreBorder = false) { + const data = this.data, + page = this.page, + viewport = this.viewport; + const container = document.createElement("section"); + let width = data.rect[2] - data.rect[0]; + let height = data.rect[3] - data.rect[1]; + container.setAttribute("data-annotation-id", data.id); + + const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]); + + container.style.transform = `matrix(${viewport.transform.join(",")})`; + container.style.transformOrigin = `-${rect[0]}px -${rect[1]}px`; + + if (!ignoreBorder && data.borderStyle.width > 0) { + container.style.borderWidth = `${data.borderStyle.width}px`; + + if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) { + width = width - 2 * data.borderStyle.width; + height = height - 2 * data.borderStyle.width; + } + + const horizontalRadius = data.borderStyle.horizontalCornerRadius; + const verticalRadius = data.borderStyle.verticalCornerRadius; + + if (horizontalRadius > 0 || verticalRadius > 0) { + const radius = `${horizontalRadius}px / ${verticalRadius}px`; + container.style.borderRadius = radius; + } + + switch (data.borderStyle.style) { + case _util.AnnotationBorderStyleType.SOLID: + container.style.borderStyle = "solid"; + break; + + case _util.AnnotationBorderStyleType.DASHED: + container.style.borderStyle = "dashed"; + break; + + case _util.AnnotationBorderStyleType.BEVELED: + (0, _util.warn)("Unimplemented border style: beveled"); + break; + + case _util.AnnotationBorderStyleType.INSET: + (0, _util.warn)("Unimplemented border style: inset"); + break; + + case _util.AnnotationBorderStyleType.UNDERLINE: + container.style.borderBottomStyle = "solid"; + break; + + default: + break; + } + + if (data.color) { + container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0); + } else { + container.style.borderWidth = 0; + } + } + + container.style.left = `${rect[0]}px`; + container.style.top = `${rect[1]}px`; + container.style.width = `${width}px`; + container.style.height = `${height}px`; + return container; + } + + _createPopup(container, trigger, data) { + if (!trigger) { + trigger = document.createElement("div"); + trigger.style.height = container.style.height; + trigger.style.width = container.style.width; + container.appendChild(trigger); + } + + const popupElement = new PopupElement({ + container, + trigger, + color: data.color, + title: data.title, + modificationDate: data.modificationDate, + contents: data.contents, + hideWrapper: true + }); + const popup = popupElement.render(); + popup.style.left = container.style.width; + container.appendChild(popup); + } + + render() { + (0, _util.unreachable)("Abstract method `AnnotationElement.render` called"); + } + +} + +class LinkAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action); + super(parameters, isRenderable); + } + + render() { + this.container.className = "linkAnnotation"; + const { + data, + linkService + } = this; + const link = document.createElement("a"); + + if (data.url) { + (0, _display_utils.addLinkAttributes)(link, { + url: data.url, + target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget, + rel: linkService.externalLinkRel, + enabled: linkService.externalLinkEnabled + }); + } else if (data.action) { + this._bindNamedAction(link, data.action); + } else { + this._bindLink(link, data.dest); + } + + this.container.appendChild(link); + return this.container; + } + + _bindLink(link, destination) { + link.href = this.linkService.getDestinationHash(destination); + + link.onclick = () => { + if (destination) { + this.linkService.navigateTo(destination); + } + + return false; + }; + + if (destination) { + link.className = "internalLink"; + } + } + + _bindNamedAction(link, action) { + link.href = this.linkService.getAnchorUrl(""); + + link.onclick = () => { + this.linkService.executeNamedAction(action); + return false; + }; + + link.className = "internalLink"; + } + +} + +class TextAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable); + } + + render() { + this.container.className = "textAnnotation"; + const image = document.createElement("img"); + image.style.height = this.container.style.height; + image.style.width = this.container.style.width; + image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg"; + image.alt = "[{{type}} Annotation]"; + image.dataset.l10nId = "text_annotation_type"; + image.dataset.l10nArgs = JSON.stringify({ + type: this.data.name + }); + + if (!this.data.hasPopup) { + this._createPopup(this.container, image, this.data); + } + + this.container.appendChild(image); + return this.container; + } + +} + +class WidgetAnnotationElement extends AnnotationElement { + render() { + return this.container; + } + +} + +class TextWidgetAnnotationElement extends WidgetAnnotationElement { + constructor(parameters) { + const isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue; + super(parameters, isRenderable); + } + + render() { + const TEXT_ALIGNMENT = ["left", "center", "right"]; + this.container.className = "textWidgetAnnotation"; + let element = null; + + if (this.renderInteractiveForms) { + if (this.data.multiLine) { + element = document.createElement("textarea"); + element.textContent = this.data.fieldValue; + } else { + element = document.createElement("input"); + element.type = "text"; + element.setAttribute("value", this.data.fieldValue); + } + + element.disabled = this.data.readOnly; + + if (this.data.maxLen !== null) { + element.maxLength = this.data.maxLen; + } + + if (this.data.comb) { + const fieldWidth = this.data.rect[2] - this.data.rect[0]; + const combWidth = fieldWidth / this.data.maxLen; + element.classList.add("comb"); + element.style.letterSpacing = `calc(${combWidth}px - 1ch)`; + } + } else { + element = document.createElement("div"); + element.textContent = this.data.fieldValue; + element.style.verticalAlign = "middle"; + element.style.display = "table-cell"; + let font = null; + + if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) { + font = this.page.commonObjs.get(this.data.fontRefName); + } + + this._setTextStyle(element, font); + } + + if (this.data.textAlignment !== null) { + element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment]; + } + + this.container.appendChild(element); + return this.container; + } + + _setTextStyle(element, font) { + const style = element.style; + style.fontSize = `${this.data.fontSize}px`; + style.direction = this.data.fontDirection < 0 ? "rtl" : "ltr"; + + if (!font) { + return; + } + + let bold = "normal"; + + if (font.black) { + bold = "900"; + } else if (font.bold) { + bold = "bold"; + } + + style.fontWeight = bold; + style.fontStyle = font.italic ? "italic" : "normal"; + const fontFamily = font.loadedName ? `"${font.loadedName}", ` : ""; + const fallbackName = font.fallbackName || "Helvetica, sans-serif"; + style.fontFamily = fontFamily + fallbackName; + } + +} + +class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement { + constructor(parameters) { + super(parameters, parameters.renderInteractiveForms); + } + + render() { + this.container.className = "buttonWidgetAnnotation checkBox"; + const element = document.createElement("input"); + element.disabled = this.data.readOnly; + element.type = "checkbox"; + + if (this.data.fieldValue && this.data.fieldValue !== "Off") { + element.setAttribute("checked", true); + } + + this.container.appendChild(element); + return this.container; + } + +} + +class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement { + constructor(parameters) { + super(parameters, parameters.renderInteractiveForms); + } + + render() { + this.container.className = "buttonWidgetAnnotation radioButton"; + const element = document.createElement("input"); + element.disabled = this.data.readOnly; + element.type = "radio"; + element.name = this.data.fieldName; + + if (this.data.fieldValue === this.data.buttonValue) { + element.setAttribute("checked", true); + } + + this.container.appendChild(element); + return this.container; + } + +} + +class PushButtonWidgetAnnotationElement extends LinkAnnotationElement { + render() { + const container = super.render(); + container.className = "buttonWidgetAnnotation pushButton"; + return container; + } + +} + +class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement { + constructor(parameters) { + super(parameters, parameters.renderInteractiveForms); + } + + render() { + this.container.className = "choiceWidgetAnnotation"; + const selectElement = document.createElement("select"); + selectElement.disabled = this.data.readOnly; + + if (!this.data.combo) { + selectElement.size = this.data.options.length; + + if (this.data.multiSelect) { + selectElement.multiple = true; + } + } + + for (const option of this.data.options) { + const optionElement = document.createElement("option"); + optionElement.textContent = option.displayValue; + optionElement.value = option.exportValue; + + if (this.data.fieldValue.includes(option.displayValue)) { + optionElement.setAttribute("selected", true); + } + + selectElement.appendChild(optionElement); + } + + this.container.appendChild(selectElement); + return this.container; + } + +} + +class PopupAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.title || parameters.data.contents); + super(parameters, isRenderable); + } + + render() { + const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"]; + this.container.className = "popupAnnotation"; + + if (IGNORE_TYPES.includes(this.data.parentType)) { + return this.container; + } + + const selector = `[data-annotation-id="${this.data.parentId}"]`; + const parentElement = this.layer.querySelector(selector); + + if (!parentElement) { + return this.container; + } + + const popup = new PopupElement({ + container: this.container, + trigger: parentElement, + color: this.data.color, + title: this.data.title, + modificationDate: this.data.modificationDate, + contents: this.data.contents + }); + const parentLeft = parseFloat(parentElement.style.left); + const parentWidth = parseFloat(parentElement.style.width); + this.container.style.transformOrigin = `-${parentLeft + parentWidth}px -${parentElement.style.top}`; + this.container.style.left = `${parentLeft + parentWidth}px`; + this.container.appendChild(popup.render()); + return this.container; + } + +} + +class PopupElement { + constructor(parameters) { + this.container = parameters.container; + this.trigger = parameters.trigger; + this.color = parameters.color; + this.title = parameters.title; + this.modificationDate = parameters.modificationDate; + this.contents = parameters.contents; + this.hideWrapper = parameters.hideWrapper || false; + this.pinned = false; + } + + render() { + const BACKGROUND_ENLIGHT = 0.7; + const wrapper = document.createElement("div"); + wrapper.className = "popupWrapper"; + this.hideElement = this.hideWrapper ? wrapper : this.container; + this.hideElement.setAttribute("hidden", true); + const popup = document.createElement("div"); + popup.className = "popup"; + const color = this.color; + + if (color) { + const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0]; + const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1]; + const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2]; + popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0); + } + + const title = document.createElement("h1"); + title.textContent = this.title; + popup.appendChild(title); + + const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate); + + if (dateObject) { + const modificationDate = document.createElement("span"); + modificationDate.textContent = "{{date}}, {{time}}"; + modificationDate.dataset.l10nId = "annotation_date_string"; + modificationDate.dataset.l10nArgs = JSON.stringify({ + date: dateObject.toLocaleDateString(), + time: dateObject.toLocaleTimeString() + }); + popup.appendChild(modificationDate); + } + + const contents = this._formatContents(this.contents); + + popup.appendChild(contents); + this.trigger.addEventListener("click", this._toggle.bind(this)); + this.trigger.addEventListener("mouseover", this._show.bind(this, false)); + this.trigger.addEventListener("mouseout", this._hide.bind(this, false)); + popup.addEventListener("click", this._hide.bind(this, true)); + wrapper.appendChild(popup); + return wrapper; + } + + _formatContents(contents) { + const p = document.createElement("p"); + const lines = contents.split(/(?:\r\n?|\n)/); + + for (let i = 0, ii = lines.length; i < ii; ++i) { + const line = lines[i]; + p.appendChild(document.createTextNode(line)); + + if (i < ii - 1) { + p.appendChild(document.createElement("br")); + } + } + + return p; + } + + _toggle() { + if (this.pinned) { + this._hide(true); + } else { + this._show(true); + } + } + + _show(pin = false) { + if (pin) { + this.pinned = true; + } + + if (this.hideElement.hasAttribute("hidden")) { + this.hideElement.removeAttribute("hidden"); + this.container.style.zIndex += 1; + } + } + + _hide(unpin = true) { + if (unpin) { + this.pinned = false; + } + + if (!this.hideElement.hasAttribute("hidden") && !this.pinned) { + this.hideElement.setAttribute("hidden", true); + this.container.style.zIndex -= 1; + } + } + +} + +class FreeTextAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "freeTextAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class LineAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "lineAnnotation"; + const data = this.data; + const width = data.rect[2] - data.rect[0]; + const height = data.rect[3] - data.rect[1]; + const svg = this.svgFactory.create(width, height); + const line = this.svgFactory.createElement("svg:line"); + line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]); + line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]); + line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]); + line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]); + line.setAttribute("stroke-width", data.borderStyle.width || 1); + line.setAttribute("stroke", "transparent"); + svg.appendChild(line); + this.container.append(svg); + + this._createPopup(this.container, line, data); + + return this.container; + } + +} + +class SquareAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "squareAnnotation"; + const data = this.data; + const width = data.rect[2] - data.rect[0]; + const height = data.rect[3] - data.rect[1]; + const svg = this.svgFactory.create(width, height); + const borderWidth = data.borderStyle.width; + const square = this.svgFactory.createElement("svg:rect"); + square.setAttribute("x", borderWidth / 2); + square.setAttribute("y", borderWidth / 2); + square.setAttribute("width", width - borderWidth); + square.setAttribute("height", height - borderWidth); + square.setAttribute("stroke-width", borderWidth || 1); + square.setAttribute("stroke", "transparent"); + square.setAttribute("fill", "none"); + svg.appendChild(square); + this.container.append(svg); + + this._createPopup(this.container, square, data); + + return this.container; + } + +} + +class CircleAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "circleAnnotation"; + const data = this.data; + const width = data.rect[2] - data.rect[0]; + const height = data.rect[3] - data.rect[1]; + const svg = this.svgFactory.create(width, height); + const borderWidth = data.borderStyle.width; + const circle = this.svgFactory.createElement("svg:ellipse"); + circle.setAttribute("cx", width / 2); + circle.setAttribute("cy", height / 2); + circle.setAttribute("rx", width / 2 - borderWidth / 2); + circle.setAttribute("ry", height / 2 - borderWidth / 2); + circle.setAttribute("stroke-width", borderWidth || 1); + circle.setAttribute("stroke", "transparent"); + circle.setAttribute("fill", "none"); + svg.appendChild(circle); + this.container.append(svg); + + this._createPopup(this.container, circle, data); + + return this.container; + } + +} + +class PolylineAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + this.containerClassName = "polylineAnnotation"; + this.svgElementName = "svg:polyline"; + } + + render() { + this.container.className = this.containerClassName; + const data = this.data; + const width = data.rect[2] - data.rect[0]; + const height = data.rect[3] - data.rect[1]; + const svg = this.svgFactory.create(width, height); + let points = []; + + for (const coordinate of data.vertices) { + const x = coordinate.x - data.rect[0]; + const y = data.rect[3] - coordinate.y; + points.push(x + "," + y); + } + + points = points.join(" "); + const polyline = this.svgFactory.createElement(this.svgElementName); + polyline.setAttribute("points", points); + polyline.setAttribute("stroke-width", data.borderStyle.width || 1); + polyline.setAttribute("stroke", "transparent"); + polyline.setAttribute("fill", "none"); + svg.appendChild(polyline); + this.container.append(svg); + + this._createPopup(this.container, polyline, data); + + return this.container; + } + +} + +class PolygonAnnotationElement extends PolylineAnnotationElement { + constructor(parameters) { + super(parameters); + this.containerClassName = "polygonAnnotation"; + this.svgElementName = "svg:polygon"; + } + +} + +class CaretAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "caretAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class InkAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + this.containerClassName = "inkAnnotation"; + this.svgElementName = "svg:polyline"; + } + + render() { + this.container.className = this.containerClassName; + const data = this.data; + const width = data.rect[2] - data.rect[0]; + const height = data.rect[3] - data.rect[1]; + const svg = this.svgFactory.create(width, height); + + for (const inkList of data.inkLists) { + let points = []; + + for (const coordinate of inkList) { + const x = coordinate.x - data.rect[0]; + const y = data.rect[3] - coordinate.y; + points.push(`${x},${y}`); + } + + points = points.join(" "); + const polyline = this.svgFactory.createElement(this.svgElementName); + polyline.setAttribute("points", points); + polyline.setAttribute("stroke-width", data.borderStyle.width || 1); + polyline.setAttribute("stroke", "transparent"); + polyline.setAttribute("fill", "none"); + + this._createPopup(this.container, polyline, data); + + svg.appendChild(polyline); + } + + this.container.append(svg); + return this.container; + } + +} + +class HighlightAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "highlightAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class UnderlineAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "underlineAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class SquigglyAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "squigglyAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class StrikeOutAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "strikeoutAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class StampAnnotationElement extends AnnotationElement { + constructor(parameters) { + const isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents); + super(parameters, isRenderable, true); + } + + render() { + this.container.className = "stampAnnotation"; + + if (!this.data.hasPopup) { + this._createPopup(this.container, null, this.data); + } + + return this.container; + } + +} + +class FileAttachmentAnnotationElement extends AnnotationElement { + constructor(parameters) { + super(parameters, true); + const { + filename, + content + } = this.data.file; + this.filename = (0, _display_utils.getFilenameFromUrl)(filename); + this.content = content; + + if (this.linkService.eventBus) { + this.linkService.eventBus.dispatch("fileattachmentannotation", { + source: this, + id: (0, _util.stringToPDFString)(filename), + filename, + content + }); + } + } + + render() { + this.container.className = "fileAttachmentAnnotation"; + const trigger = document.createElement("div"); + trigger.style.height = this.container.style.height; + trigger.style.width = this.container.style.width; + trigger.addEventListener("dblclick", this._download.bind(this)); + + if (!this.data.hasPopup && (this.data.title || this.data.contents)) { + this._createPopup(this.container, trigger, this.data); + } + + this.container.appendChild(trigger); + return this.container; + } + + _download() { + if (!this.downloadManager) { + (0, _util.warn)("Download cannot be started due to unavailable download manager"); + return; + } + + this.downloadManager.downloadData(this.content, this.filename, ""); + } + +} + +class AnnotationLayer { + static render(parameters) { + const sortedAnnotations = [], + popupAnnotations = []; + + for (const data of parameters.annotations) { + if (!data) { + continue; + } + + if (data.annotationType === _util.AnnotationType.POPUP) { + popupAnnotations.push(data); + continue; + } + + sortedAnnotations.push(data); + } + + if (popupAnnotations.length) { + sortedAnnotations.push(...popupAnnotations); + } + + for (const data of sortedAnnotations) { + const element = AnnotationElementFactory.create({ + data, + layer: parameters.div, + page: parameters.page, + viewport: parameters.viewport, + linkService: parameters.linkService, + downloadManager: parameters.downloadManager, + imageResourcesPath: parameters.imageResourcesPath || "", + renderInteractiveForms: parameters.renderInteractiveForms || false, + svgFactory: new _display_utils.DOMSVGFactory() + }); + + if (element.isRenderable) { + parameters.div.appendChild(element.render()); + } + } + } + + static update(parameters) { + for (const data of parameters.annotations) { + const element = parameters.div.querySelector(`[data-annotation-id="${data.id}"]`); + + if (element) { + element.style.transform = `matrix(${parameters.viewport.transform.join(",")})`; + } + } + + parameters.div.removeAttribute("hidden"); + } + +} + +exports.AnnotationLayer = AnnotationLayer; + +/***/ }), +/* 18 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.SVGGraphics = void 0; + +var _util = __w_pdfjs_require__(1); + +var _display_utils = __w_pdfjs_require__(4); + +var _is_node = __w_pdfjs_require__(7); + +let SVGGraphics = function () { + throw new Error("Not implemented: SVGGraphics"); +}; + +exports.SVGGraphics = SVGGraphics; +{ + const SVG_DEFAULTS = { + fontStyle: "normal", + fontWeight: "normal", + fillColor: "#000000" + }; + const XML_NS = "http://www.w3.org/XML/1998/namespace"; + const XLINK_NS = "http://www.w3.org/1999/xlink"; + const LINE_CAP_STYLES = ["butt", "round", "square"]; + const LINE_JOIN_STYLES = ["miter", "round", "bevel"]; + + const convertImgDataToPng = function () { + const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]); + const CHUNK_WRAPPER_SIZE = 12; + const crcTable = new Int32Array(256); + + for (let i = 0; i < 256; i++) { + let c = i; + + for (let h = 0; h < 8; h++) { + if (c & 1) { + c = 0xedb88320 ^ c >> 1 & 0x7fffffff; + } else { + c = c >> 1 & 0x7fffffff; + } + } + + crcTable[i] = c; + } + + function crc32(data, start, end) { + let crc = -1; + + for (let i = start; i < end; i++) { + const a = (crc ^ data[i]) & 0xff; + const b = crcTable[a]; + crc = crc >>> 8 ^ b; + } + + return crc ^ -1; + } + + function writePngChunk(type, body, data, offset) { + let p = offset; + const len = body.length; + data[p] = len >> 24 & 0xff; + data[p + 1] = len >> 16 & 0xff; + data[p + 2] = len >> 8 & 0xff; + data[p + 3] = len & 0xff; + p += 4; + data[p] = type.charCodeAt(0) & 0xff; + data[p + 1] = type.charCodeAt(1) & 0xff; + data[p + 2] = type.charCodeAt(2) & 0xff; + data[p + 3] = type.charCodeAt(3) & 0xff; + p += 4; + data.set(body, p); + p += body.length; + const crc = crc32(data, offset + 4, p); + data[p] = crc >> 24 & 0xff; + data[p + 1] = crc >> 16 & 0xff; + data[p + 2] = crc >> 8 & 0xff; + data[p + 3] = crc & 0xff; + } + + function adler32(data, start, end) { + let a = 1; + let b = 0; + + for (let i = start; i < end; ++i) { + a = (a + (data[i] & 0xff)) % 65521; + b = (b + a) % 65521; + } + + return b << 16 | a; + } + + function deflateSync(literals) { + if (!_is_node.isNodeJS) { + return deflateSyncUncompressed(literals); + } + + try { + let input; + + if (parseInt(process.versions.node) >= 8) { + input = literals; + } else { + input = Buffer.from(literals); + } + + const output = require("zlib").deflateSync(input, { + level: 9 + }); + + return output instanceof Uint8Array ? output : new Uint8Array(output); + } catch (e) { + (0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e); + } + + return deflateSyncUncompressed(literals); + } + + function deflateSyncUncompressed(literals) { + let len = literals.length; + const maxBlockLength = 0xffff; + const deflateBlocks = Math.ceil(len / maxBlockLength); + const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4); + let pi = 0; + idat[pi++] = 0x78; + idat[pi++] = 0x9c; + let pos = 0; + + while (len > maxBlockLength) { + idat[pi++] = 0x00; + idat[pi++] = 0xff; + idat[pi++] = 0xff; + idat[pi++] = 0x00; + idat[pi++] = 0x00; + idat.set(literals.subarray(pos, pos + maxBlockLength), pi); + pi += maxBlockLength; + pos += maxBlockLength; + len -= maxBlockLength; + } + + idat[pi++] = 0x01; + idat[pi++] = len & 0xff; + idat[pi++] = len >> 8 & 0xff; + idat[pi++] = ~len & 0xffff & 0xff; + idat[pi++] = (~len & 0xffff) >> 8 & 0xff; + idat.set(literals.subarray(pos), pi); + pi += literals.length - pos; + const adler = adler32(literals, 0, literals.length); + idat[pi++] = adler >> 24 & 0xff; + idat[pi++] = adler >> 16 & 0xff; + idat[pi++] = adler >> 8 & 0xff; + idat[pi++] = adler & 0xff; + return idat; + } + + function encode(imgData, kind, forceDataSchema, isMask) { + const width = imgData.width; + const height = imgData.height; + let bitDepth, colorType, lineSize; + const bytes = imgData.data; + + switch (kind) { + case _util.ImageKind.GRAYSCALE_1BPP: + colorType = 0; + bitDepth = 1; + lineSize = width + 7 >> 3; + break; + + case _util.ImageKind.RGB_24BPP: + colorType = 2; + bitDepth = 8; + lineSize = width * 3; + break; + + case _util.ImageKind.RGBA_32BPP: + colorType = 6; + bitDepth = 8; + lineSize = width * 4; + break; + + default: + throw new Error("invalid format"); + } + + const literals = new Uint8Array((1 + lineSize) * height); + let offsetLiterals = 0, + offsetBytes = 0; + + for (let y = 0; y < height; ++y) { + literals[offsetLiterals++] = 0; + literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals); + offsetBytes += lineSize; + offsetLiterals += lineSize; + } + + if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) { + offsetLiterals = 0; + + for (let y = 0; y < height; y++) { + offsetLiterals++; + + for (let i = 0; i < lineSize; i++) { + literals[offsetLiterals++] ^= 0xff; + } + } + } + + const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]); + const idat = deflateSync(literals); + const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length; + const data = new Uint8Array(pngLength); + let offset = 0; + data.set(PNG_HEADER, offset); + offset += PNG_HEADER.length; + writePngChunk("IHDR", ihdr, data, offset); + offset += CHUNK_WRAPPER_SIZE + ihdr.length; + writePngChunk("IDATA", idat, data, offset); + offset += CHUNK_WRAPPER_SIZE + idat.length; + writePngChunk("IEND", new Uint8Array(0), data, offset); + return (0, _util.createObjectURL)(data, "image/png", forceDataSchema); + } + + return function convertImgDataToPng(imgData, forceDataSchema, isMask) { + const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind; + return encode(imgData, kind, forceDataSchema, isMask); + }; + }(); + + class SVGExtraState { + constructor() { + this.fontSizeScale = 1; + this.fontWeight = SVG_DEFAULTS.fontWeight; + this.fontSize = 0; + this.textMatrix = _util.IDENTITY_MATRIX; + this.fontMatrix = _util.FONT_IDENTITY_MATRIX; + this.leading = 0; + this.textRenderingMode = _util.TextRenderingMode.FILL; + this.textMatrixScale = 1; + this.x = 0; + this.y = 0; + this.lineX = 0; + this.lineY = 0; + this.charSpacing = 0; + this.wordSpacing = 0; + this.textHScale = 1; + this.textRise = 0; + this.fillColor = SVG_DEFAULTS.fillColor; + this.strokeColor = "#000000"; + this.fillAlpha = 1; + this.strokeAlpha = 1; + this.lineWidth = 1; + this.lineJoin = ""; + this.lineCap = ""; + this.miterLimit = 0; + this.dashArray = []; + this.dashPhase = 0; + this.dependencies = []; + this.activeClipUrl = null; + this.clipGroup = null; + this.maskId = ""; + } + + clone() { + return Object.create(this); + } + + setCurrentPoint(x, y) { + this.x = x; + this.y = y; + } + + } + + function opListToTree(opList) { + let opTree = []; + const tmp = []; + + for (const opListElement of opList) { + if (opListElement.fn === "save") { + opTree.push({ + fnId: 92, + fn: "group", + items: [] + }); + tmp.push(opTree); + opTree = opTree[opTree.length - 1].items; + continue; + } + + if (opListElement.fn === "restore") { + opTree = tmp.pop(); + } else { + opTree.push(opListElement); + } + } + + return opTree; + } + + function pf(value) { + if (Number.isInteger(value)) { + return value.toString(); + } + + const s = value.toFixed(10); + let i = s.length - 1; + + if (s[i] !== "0") { + return s; + } + + do { + i--; + } while (s[i] === "0"); + + return s.substring(0, s[i] === "." ? i : i + 1); + } + + function pm(m) { + if (m[4] === 0 && m[5] === 0) { + if (m[1] === 0 && m[2] === 0) { + if (m[0] === 1 && m[3] === 1) { + return ""; + } + + return `scale(${pf(m[0])} ${pf(m[3])})`; + } + + if (m[0] === m[3] && m[1] === -m[2]) { + const a = Math.acos(m[0]) * 180 / Math.PI; + return `rotate(${pf(a)})`; + } + } else { + if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) { + return `translate(${pf(m[4])} ${pf(m[5])})`; + } + } + + return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`; + } + + let clipCount = 0; + let maskCount = 0; + let shadingCount = 0; + exports.SVGGraphics = SVGGraphics = class SVGGraphics { + constructor(commonObjs, objs, forceDataSchema) { + this.svgFactory = new _display_utils.DOMSVGFactory(); + this.current = new SVGExtraState(); + this.transformMatrix = _util.IDENTITY_MATRIX; + this.transformStack = []; + this.extraStack = []; + this.commonObjs = commonObjs; + this.objs = objs; + this.pendingClip = null; + this.pendingEOFill = false; + this.embedFonts = false; + this.embeddedFonts = Object.create(null); + this.cssStyle = null; + this.forceDataSchema = !!forceDataSchema; + this._operatorIdMapping = []; + + for (const op in _util.OPS) { + this._operatorIdMapping[_util.OPS[op]] = op; + } + } + + save() { + this.transformStack.push(this.transformMatrix); + const old = this.current; + this.extraStack.push(old); + this.current = old.clone(); + } + + restore() { + this.transformMatrix = this.transformStack.pop(); + this.current = this.extraStack.pop(); + this.pendingClip = null; + this.tgrp = null; + } + + group(items) { + this.save(); + this.executeOpTree(items); + this.restore(); + } + + loadDependencies(operatorList) { + const fnArray = operatorList.fnArray; + const argsArray = operatorList.argsArray; + + for (let i = 0, ii = fnArray.length; i < ii; i++) { + if (fnArray[i] !== _util.OPS.dependency) { + continue; + } + + for (const obj of argsArray[i]) { + const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs; + const promise = new Promise(resolve => { + objsPool.get(obj, resolve); + }); + this.current.dependencies.push(promise); + } + } + + return Promise.all(this.current.dependencies); + } + + transform(a, b, c, d, e, f) { + const transformMatrix = [a, b, c, d, e, f]; + this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix); + this.tgrp = null; + } + + getSVG(operatorList, viewport) { + this.viewport = viewport; + + const svgElement = this._initialize(viewport); + + return this.loadDependencies(operatorList).then(() => { + this.transformMatrix = _util.IDENTITY_MATRIX; + this.executeOpTree(this.convertOpList(operatorList)); + return svgElement; + }); + } + + convertOpList(operatorList) { + const operatorIdMapping = this._operatorIdMapping; + const argsArray = operatorList.argsArray; + const fnArray = operatorList.fnArray; + const opList = []; + + for (let i = 0, ii = fnArray.length; i < ii; i++) { + const fnId = fnArray[i]; + opList.push({ + fnId, + fn: operatorIdMapping[fnId], + args: argsArray[i] + }); + } + + return opListToTree(opList); + } + + executeOpTree(opTree) { + for (const opTreeElement of opTree) { + const fn = opTreeElement.fn; + const fnId = opTreeElement.fnId; + const args = opTreeElement.args; + + switch (fnId | 0) { + case _util.OPS.beginText: + this.beginText(); + break; + + case _util.OPS.dependency: + break; + + case _util.OPS.setLeading: + this.setLeading(args); + break; + + case _util.OPS.setLeadingMoveText: + this.setLeadingMoveText(args[0], args[1]); + break; + + case _util.OPS.setFont: + this.setFont(args); + break; + + case _util.OPS.showText: + this.showText(args[0]); + break; + + case _util.OPS.showSpacedText: + this.showText(args[0]); + break; + + case _util.OPS.endText: + this.endText(); + break; + + case _util.OPS.moveText: + this.moveText(args[0], args[1]); + break; + + case _util.OPS.setCharSpacing: + this.setCharSpacing(args[0]); + break; + + case _util.OPS.setWordSpacing: + this.setWordSpacing(args[0]); + break; + + case _util.OPS.setHScale: + this.setHScale(args[0]); + break; + + case _util.OPS.setTextMatrix: + this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + + case _util.OPS.setTextRise: + this.setTextRise(args[0]); + break; + + case _util.OPS.setTextRenderingMode: + this.setTextRenderingMode(args[0]); + break; + + case _util.OPS.setLineWidth: + this.setLineWidth(args[0]); + break; + + case _util.OPS.setLineJoin: + this.setLineJoin(args[0]); + break; + + case _util.OPS.setLineCap: + this.setLineCap(args[0]); + break; + + case _util.OPS.setMiterLimit: + this.setMiterLimit(args[0]); + break; + + case _util.OPS.setFillRGBColor: + this.setFillRGBColor(args[0], args[1], args[2]); + break; + + case _util.OPS.setStrokeRGBColor: + this.setStrokeRGBColor(args[0], args[1], args[2]); + break; + + case _util.OPS.setStrokeColorN: + this.setStrokeColorN(args); + break; + + case _util.OPS.setFillColorN: + this.setFillColorN(args); + break; + + case _util.OPS.shadingFill: + this.shadingFill(args[0]); + break; + + case _util.OPS.setDash: + this.setDash(args[0], args[1]); + break; + + case _util.OPS.setRenderingIntent: + this.setRenderingIntent(args[0]); + break; + + case _util.OPS.setFlatness: + this.setFlatness(args[0]); + break; + + case _util.OPS.setGState: + this.setGState(args[0]); + break; + + case _util.OPS.fill: + this.fill(); + break; + + case _util.OPS.eoFill: + this.eoFill(); + break; + + case _util.OPS.stroke: + this.stroke(); + break; + + case _util.OPS.fillStroke: + this.fillStroke(); + break; + + case _util.OPS.eoFillStroke: + this.eoFillStroke(); + break; + + case _util.OPS.clip: + this.clip("nonzero"); + break; + + case _util.OPS.eoClip: + this.clip("evenodd"); + break; + + case _util.OPS.paintSolidColorImageMask: + this.paintSolidColorImageMask(); + break; + + case _util.OPS.paintJpegXObject: + this.paintJpegXObject(args[0], args[1], args[2]); + break; + + case _util.OPS.paintImageXObject: + this.paintImageXObject(args[0]); + break; + + case _util.OPS.paintInlineImageXObject: + this.paintInlineImageXObject(args[0]); + break; + + case _util.OPS.paintImageMaskXObject: + this.paintImageMaskXObject(args[0]); + break; + + case _util.OPS.paintFormXObjectBegin: + this.paintFormXObjectBegin(args[0], args[1]); + break; + + case _util.OPS.paintFormXObjectEnd: + this.paintFormXObjectEnd(); + break; + + case _util.OPS.closePath: + this.closePath(); + break; + + case _util.OPS.closeStroke: + this.closeStroke(); + break; + + case _util.OPS.closeFillStroke: + this.closeFillStroke(); + break; + + case _util.OPS.closeEOFillStroke: + this.closeEOFillStroke(); + break; + + case _util.OPS.nextLine: + this.nextLine(); + break; + + case _util.OPS.transform: + this.transform(args[0], args[1], args[2], args[3], args[4], args[5]); + break; + + case _util.OPS.constructPath: + this.constructPath(args[0], args[1]); + break; + + case _util.OPS.endPath: + this.endPath(); + break; + + case 92: + this.group(opTreeElement.items); + break; + + default: + (0, _util.warn)(`Unimplemented operator ${fn}`); + break; + } + } + } + + setWordSpacing(wordSpacing) { + this.current.wordSpacing = wordSpacing; + } + + setCharSpacing(charSpacing) { + this.current.charSpacing = charSpacing; + } + + nextLine() { + this.moveText(0, this.current.leading); + } + + setTextMatrix(a, b, c, d, e, f) { + const current = this.current; + current.textMatrix = current.lineMatrix = [a, b, c, d, e, f]; + current.textMatrixScale = Math.sqrt(a * a + b * b); + current.x = current.lineX = 0; + current.y = current.lineY = 0; + current.xcoords = []; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + current.txtElement = this.svgFactory.createElement("svg:text"); + current.txtElement.appendChild(current.tspan); + } + + beginText() { + const current = this.current; + current.x = current.lineX = 0; + current.y = current.lineY = 0; + current.textMatrix = _util.IDENTITY_MATRIX; + current.lineMatrix = _util.IDENTITY_MATRIX; + current.textMatrixScale = 1; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.txtElement = this.svgFactory.createElement("svg:text"); + current.txtgrp = this.svgFactory.createElement("svg:g"); + current.xcoords = []; + } + + moveText(x, y) { + const current = this.current; + current.x = current.lineX += x; + current.y = current.lineY += y; + current.xcoords = []; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + } + + showText(glyphs) { + const current = this.current; + const font = current.font; + const fontSize = current.fontSize; + + if (fontSize === 0) { + return; + } + + const charSpacing = current.charSpacing; + const wordSpacing = current.wordSpacing; + const fontDirection = current.fontDirection; + const textHScale = current.textHScale * fontDirection; + const vertical = font.vertical; + const widthAdvanceScale = fontSize * current.fontMatrix[0]; + let x = 0; + + for (const glyph of glyphs) { + if (glyph === null) { + x += fontDirection * wordSpacing; + continue; + } else if ((0, _util.isNum)(glyph)) { + x += -glyph * fontSize * 0.001; + continue; + } + + const width = glyph.width; + const character = glyph.fontChar; + const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing; + const charWidth = width * widthAdvanceScale + spacing * fontDirection; + + if (!glyph.isInFont && !font.missingFile) { + x += charWidth; + continue; + } + + current.xcoords.push(current.x + x); + current.tspan.textContent += character; + x += charWidth; + } + + if (vertical) { + current.y -= x * textHScale; + } else { + current.x += x * textHScale; + } + + current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" ")); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + current.tspan.setAttributeNS(null, "font-family", current.fontFamily); + current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`); + + if (current.fontStyle !== SVG_DEFAULTS.fontStyle) { + current.tspan.setAttributeNS(null, "font-style", current.fontStyle); + } + + if (current.fontWeight !== SVG_DEFAULTS.fontWeight) { + current.tspan.setAttributeNS(null, "font-weight", current.fontWeight); + } + + const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK; + + if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + if (current.fillColor !== SVG_DEFAULTS.fillColor) { + current.tspan.setAttributeNS(null, "fill", current.fillColor); + } + + if (current.fillAlpha < 1) { + current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha); + } + } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) { + current.tspan.setAttributeNS(null, "fill", "transparent"); + } else { + current.tspan.setAttributeNS(null, "fill", "none"); + } + + if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) { + const lineWidthScale = 1 / (current.textMatrixScale || 1); + + this._setStrokeAttributes(current.tspan, lineWidthScale); + } + + let textMatrix = current.textMatrix; + + if (current.textRise !== 0) { + textMatrix = textMatrix.slice(); + textMatrix[5] += current.textRise; + } + + current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`); + current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve"); + current.txtElement.appendChild(current.tspan); + current.txtgrp.appendChild(current.txtElement); + + this._ensureTransformGroup().appendChild(current.txtElement); + } + + setLeadingMoveText(x, y) { + this.setLeading(-y); + this.moveText(x, y); + } + + addFontStyle(fontObj) { + if (!this.cssStyle) { + this.cssStyle = this.svgFactory.createElement("svg:style"); + this.cssStyle.setAttributeNS(null, "type", "text/css"); + this.defs.appendChild(this.cssStyle); + } + + const url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema); + this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`; + } + + setFont(details) { + const current = this.current; + const fontObj = this.commonObjs.get(details[0]); + let size = details[1]; + current.font = fontObj; + + if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) { + this.addFontStyle(fontObj); + this.embeddedFonts[fontObj.loadedName] = fontObj; + } + + current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX; + let bold = "normal"; + + if (fontObj.black) { + bold = "900"; + } else if (fontObj.bold) { + bold = "bold"; + } + + const italic = fontObj.italic ? "italic" : "normal"; + + if (size < 0) { + size = -size; + current.fontDirection = -1; + } else { + current.fontDirection = 1; + } + + current.fontSize = size; + current.fontFamily = fontObj.loadedName; + current.fontWeight = bold; + current.fontStyle = italic; + current.tspan = this.svgFactory.createElement("svg:tspan"); + current.tspan.setAttributeNS(null, "y", pf(-current.y)); + current.xcoords = []; + } + + endText() { + const current = this.current; + + if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) { + current.element = current.txtElement; + this.clip("nonzero"); + this.endPath(); + } + } + + setLineWidth(width) { + if (width > 0) { + this.current.lineWidth = width; + } + } + + setLineCap(style) { + this.current.lineCap = LINE_CAP_STYLES[style]; + } + + setLineJoin(style) { + this.current.lineJoin = LINE_JOIN_STYLES[style]; + } + + setMiterLimit(limit) { + this.current.miterLimit = limit; + } + + setStrokeAlpha(strokeAlpha) { + this.current.strokeAlpha = strokeAlpha; + } + + setStrokeRGBColor(r, g, b) { + this.current.strokeColor = _util.Util.makeCssRgb(r, g, b); + } + + setFillAlpha(fillAlpha) { + this.current.fillAlpha = fillAlpha; + } + + setFillRGBColor(r, g, b) { + this.current.fillColor = _util.Util.makeCssRgb(r, g, b); + this.current.tspan = this.svgFactory.createElement("svg:tspan"); + this.current.xcoords = []; + } + + setStrokeColorN(args) { + this.current.strokeColor = this._makeColorN_Pattern(args); + } + + setFillColorN(args) { + this.current.fillColor = this._makeColorN_Pattern(args); + } + + shadingFill(args) { + const width = this.viewport.width; + const height = this.viewport.height; + + const inv = _util.Util.inverseTransform(this.transformMatrix); + + const bl = _util.Util.applyTransform([0, 0], inv); + + const br = _util.Util.applyTransform([0, height], inv); + + const ul = _util.Util.applyTransform([width, 0], inv); + + const ur = _util.Util.applyTransform([width, height], inv); + + const x0 = Math.min(bl[0], br[0], ul[0], ur[0]); + const y0 = Math.min(bl[1], br[1], ul[1], ur[1]); + const x1 = Math.max(bl[0], br[0], ul[0], ur[0]); + const y1 = Math.max(bl[1], br[1], ul[1], ur[1]); + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", x0); + rect.setAttributeNS(null, "y", y0); + rect.setAttributeNS(null, "width", x1 - x0); + rect.setAttributeNS(null, "height", y1 - y0); + rect.setAttributeNS(null, "fill", this._makeShadingPattern(args)); + + this._ensureTransformGroup().appendChild(rect); + } + + _makeColorN_Pattern(args) { + if (args[0] === "TilingPattern") { + return this._makeTilingPattern(args); + } + + return this._makeShadingPattern(args); + } + + _makeTilingPattern(args) { + const color = args[1]; + const operatorList = args[2]; + const matrix = args[3] || _util.IDENTITY_MATRIX; + const [x0, y0, x1, y1] = args[4]; + const xstep = args[5]; + const ystep = args[6]; + const paintType = args[7]; + const tilingId = `shading${shadingCount++}`; + + const [tx0, ty0] = _util.Util.applyTransform([x0, y0], matrix); + + const [tx1, ty1] = _util.Util.applyTransform([x1, y1], matrix); + + const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix); + + const txstep = xstep * xscale; + const tystep = ystep * yscale; + const tiling = this.svgFactory.createElement("svg:pattern"); + tiling.setAttributeNS(null, "id", tilingId); + tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse"); + tiling.setAttributeNS(null, "width", txstep); + tiling.setAttributeNS(null, "height", tystep); + tiling.setAttributeNS(null, "x", `${tx0}`); + tiling.setAttributeNS(null, "y", `${ty0}`); + const svg = this.svg; + const transformMatrix = this.transformMatrix; + const fillColor = this.current.fillColor; + const strokeColor = this.current.strokeColor; + const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0); + this.svg = bbox; + this.transformMatrix = matrix; + + if (paintType === 2) { + const cssColor = _util.Util.makeCssRgb(...color); + + this.current.fillColor = cssColor; + this.current.strokeColor = cssColor; + } + + this.executeOpTree(this.convertOpList(operatorList)); + this.svg = svg; + this.transformMatrix = transformMatrix; + this.current.fillColor = fillColor; + this.current.strokeColor = strokeColor; + tiling.appendChild(bbox.childNodes[0]); + this.defs.appendChild(tiling); + return `url(#${tilingId})`; + } + + _makeShadingPattern(args) { + switch (args[0]) { + case "RadialAxial": + const shadingId = `shading${shadingCount++}`; + const colorStops = args[3]; + let gradient; + + switch (args[1]) { + case "axial": + const point0 = args[4]; + const point1 = args[5]; + gradient = this.svgFactory.createElement("svg:linearGradient"); + gradient.setAttributeNS(null, "id", shadingId); + gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); + gradient.setAttributeNS(null, "x1", point0[0]); + gradient.setAttributeNS(null, "y1", point0[1]); + gradient.setAttributeNS(null, "x2", point1[0]); + gradient.setAttributeNS(null, "y2", point1[1]); + break; + + case "radial": + const focalPoint = args[4]; + const circlePoint = args[5]; + const focalRadius = args[6]; + const circleRadius = args[7]; + gradient = this.svgFactory.createElement("svg:radialGradient"); + gradient.setAttributeNS(null, "id", shadingId); + gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse"); + gradient.setAttributeNS(null, "cx", circlePoint[0]); + gradient.setAttributeNS(null, "cy", circlePoint[1]); + gradient.setAttributeNS(null, "r", circleRadius); + gradient.setAttributeNS(null, "fx", focalPoint[0]); + gradient.setAttributeNS(null, "fy", focalPoint[1]); + gradient.setAttributeNS(null, "fr", focalRadius); + break; + + default: + throw new Error(`Unknown RadialAxial type: ${args[1]}`); + } + + for (const colorStop of colorStops) { + const stop = this.svgFactory.createElement("svg:stop"); + stop.setAttributeNS(null, "offset", colorStop[0]); + stop.setAttributeNS(null, "stop-color", colorStop[1]); + gradient.appendChild(stop); + } + + this.defs.appendChild(gradient); + return `url(#${shadingId})`; + + case "Mesh": + (0, _util.warn)("Unimplemented pattern Mesh"); + return null; + + case "Dummy": + return "hotpink"; + + default: + throw new Error(`Unknown IR type: ${args[0]}`); + } + } + + setDash(dashArray, dashPhase) { + this.current.dashArray = dashArray; + this.current.dashPhase = dashPhase; + } + + constructPath(ops, args) { + const current = this.current; + let x = current.x, + y = current.y; + let d = []; + let j = 0; + + for (const op of ops) { + switch (op | 0) { + case _util.OPS.rectangle: + x = args[j++]; + y = args[j++]; + const width = args[j++]; + const height = args[j++]; + const xw = x + width; + const yh = y + height; + d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z"); + break; + + case _util.OPS.moveTo: + x = args[j++]; + y = args[j++]; + d.push("M", pf(x), pf(y)); + break; + + case _util.OPS.lineTo: + x = args[j++]; + y = args[j++]; + d.push("L", pf(x), pf(y)); + break; + + case _util.OPS.curveTo: + x = args[j + 4]; + y = args[j + 5]; + d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y)); + j += 6; + break; + + case _util.OPS.curveTo2: + d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3])); + x = args[j + 2]; + y = args[j + 3]; + j += 4; + break; + + case _util.OPS.curveTo3: + x = args[j + 2]; + y = args[j + 3]; + d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y)); + j += 4; + break; + + case _util.OPS.closePath: + d.push("Z"); + break; + } + } + + d = d.join(" "); + + if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) { + d = current.path.getAttributeNS(null, "d") + d; + } else { + current.path = this.svgFactory.createElement("svg:path"); + + this._ensureTransformGroup().appendChild(current.path); + } + + current.path.setAttributeNS(null, "d", d); + current.path.setAttributeNS(null, "fill", "none"); + current.element = current.path; + current.setCurrentPoint(x, y); + } + + endPath() { + const current = this.current; + current.path = null; + + if (!this.pendingClip) { + return; + } + + if (!current.element) { + this.pendingClip = null; + return; + } + + const clipId = `clippath${clipCount++}`; + const clipPath = this.svgFactory.createElement("svg:clipPath"); + clipPath.setAttributeNS(null, "id", clipId); + clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix)); + const clipElement = current.element.cloneNode(true); + + if (this.pendingClip === "evenodd") { + clipElement.setAttributeNS(null, "clip-rule", "evenodd"); + } else { + clipElement.setAttributeNS(null, "clip-rule", "nonzero"); + } + + this.pendingClip = null; + clipPath.appendChild(clipElement); + this.defs.appendChild(clipPath); + + if (current.activeClipUrl) { + current.clipGroup = null; + this.extraStack.forEach(function (prev) { + prev.clipGroup = null; + }); + clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl); + } + + current.activeClipUrl = `url(#${clipId})`; + this.tgrp = null; + } + + clip(type) { + this.pendingClip = type; + } + + closePath() { + const current = this.current; + + if (current.path) { + const d = `${current.path.getAttributeNS(null, "d")}Z`; + current.path.setAttributeNS(null, "d", d); + } + } + + setLeading(leading) { + this.current.leading = -leading; + } + + setTextRise(textRise) { + this.current.textRise = textRise; + } + + setTextRenderingMode(textRenderingMode) { + this.current.textRenderingMode = textRenderingMode; + } + + setHScale(scale) { + this.current.textHScale = scale / 100; + } + + setRenderingIntent(intent) {} + + setFlatness(flatness) {} + + setGState(states) { + for (const [key, value] of states) { + switch (key) { + case "LW": + this.setLineWidth(value); + break; + + case "LC": + this.setLineCap(value); + break; + + case "LJ": + this.setLineJoin(value); + break; + + case "ML": + this.setMiterLimit(value); + break; + + case "D": + this.setDash(value[0], value[1]); + break; + + case "RI": + this.setRenderingIntent(value); + break; + + case "FL": + this.setFlatness(value); + break; + + case "Font": + this.setFont(value); + break; + + case "CA": + this.setStrokeAlpha(value); + break; + + case "ca": + this.setFillAlpha(value); + break; + + default: + (0, _util.warn)(`Unimplemented graphic state operator ${key}`); + break; + } + } + } + + fill() { + const current = this.current; + + if (current.element) { + current.element.setAttributeNS(null, "fill", current.fillColor); + current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha); + this.endPath(); + } + } + + stroke() { + const current = this.current; + + if (current.element) { + this._setStrokeAttributes(current.element); + + current.element.setAttributeNS(null, "fill", "none"); + this.endPath(); + } + } + + _setStrokeAttributes(element, lineWidthScale = 1) { + const current = this.current; + let dashArray = current.dashArray; + + if (lineWidthScale !== 1 && dashArray.length > 0) { + dashArray = dashArray.map(function (value) { + return lineWidthScale * value; + }); + } + + element.setAttributeNS(null, "stroke", current.strokeColor); + element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha); + element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit)); + element.setAttributeNS(null, "stroke-linecap", current.lineCap); + element.setAttributeNS(null, "stroke-linejoin", current.lineJoin); + element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px"); + element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" ")); + element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px"); + } + + eoFill() { + if (this.current.element) { + this.current.element.setAttributeNS(null, "fill-rule", "evenodd"); + } + + this.fill(); + } + + fillStroke() { + this.stroke(); + this.fill(); + } + + eoFillStroke() { + if (this.current.element) { + this.current.element.setAttributeNS(null, "fill-rule", "evenodd"); + } + + this.fillStroke(); + } + + closeStroke() { + this.closePath(); + this.stroke(); + } + + closeFillStroke() { + this.closePath(); + this.fillStroke(); + } + + closeEOFillStroke() { + this.closePath(); + this.eoFillStroke(); + } + + paintSolidColorImageMask() { + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", "0"); + rect.setAttributeNS(null, "y", "0"); + rect.setAttributeNS(null, "width", "1px"); + rect.setAttributeNS(null, "height", "1px"); + rect.setAttributeNS(null, "fill", this.current.fillColor); + + this._ensureTransformGroup().appendChild(rect); + } + + paintJpegXObject(objId, w, h) { + const imgObj = this.objs.get(objId); + const imgEl = this.svgFactory.createElement("svg:image"); + imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgObj.src); + imgEl.setAttributeNS(null, "width", pf(w)); + imgEl.setAttributeNS(null, "height", pf(h)); + imgEl.setAttributeNS(null, "x", "0"); + imgEl.setAttributeNS(null, "y", pf(-h)); + imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / w)} ${pf(-1 / h)})`); + + this._ensureTransformGroup().appendChild(imgEl); + } + + paintImageXObject(objId) { + const imgData = this.objs.get(objId); + + if (!imgData) { + (0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`); + return; + } + + this.paintInlineImageXObject(imgData); + } + + paintInlineImageXObject(imgData, mask) { + const width = imgData.width; + const height = imgData.height; + const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask); + const cliprect = this.svgFactory.createElement("svg:rect"); + cliprect.setAttributeNS(null, "x", "0"); + cliprect.setAttributeNS(null, "y", "0"); + cliprect.setAttributeNS(null, "width", pf(width)); + cliprect.setAttributeNS(null, "height", pf(height)); + this.current.element = cliprect; + this.clip("nonzero"); + const imgEl = this.svgFactory.createElement("svg:image"); + imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc); + imgEl.setAttributeNS(null, "x", "0"); + imgEl.setAttributeNS(null, "y", pf(-height)); + imgEl.setAttributeNS(null, "width", pf(width) + "px"); + imgEl.setAttributeNS(null, "height", pf(height) + "px"); + imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`); + + if (mask) { + mask.appendChild(imgEl); + } else { + this._ensureTransformGroup().appendChild(imgEl); + } + } + + paintImageMaskXObject(imgData) { + const current = this.current; + const width = imgData.width; + const height = imgData.height; + const fillColor = current.fillColor; + current.maskId = `mask${maskCount++}`; + const mask = this.svgFactory.createElement("svg:mask"); + mask.setAttributeNS(null, "id", current.maskId); + const rect = this.svgFactory.createElement("svg:rect"); + rect.setAttributeNS(null, "x", "0"); + rect.setAttributeNS(null, "y", "0"); + rect.setAttributeNS(null, "width", pf(width)); + rect.setAttributeNS(null, "height", pf(height)); + rect.setAttributeNS(null, "fill", fillColor); + rect.setAttributeNS(null, "mask", `url(#${current.maskId})`); + this.defs.appendChild(mask); + + this._ensureTransformGroup().appendChild(rect); + + this.paintInlineImageXObject(imgData, mask); + } + + paintFormXObjectBegin(matrix, bbox) { + if (Array.isArray(matrix) && matrix.length === 6) { + this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); + } + + if (bbox) { + const width = bbox[2] - bbox[0]; + const height = bbox[3] - bbox[1]; + const cliprect = this.svgFactory.createElement("svg:rect"); + cliprect.setAttributeNS(null, "x", bbox[0]); + cliprect.setAttributeNS(null, "y", bbox[1]); + cliprect.setAttributeNS(null, "width", pf(width)); + cliprect.setAttributeNS(null, "height", pf(height)); + this.current.element = cliprect; + this.clip("nonzero"); + this.endPath(); + } + } + + paintFormXObjectEnd() {} + + _initialize(viewport) { + const svg = this.svgFactory.create(viewport.width, viewport.height); + const definitions = this.svgFactory.createElement("svg:defs"); + svg.appendChild(definitions); + this.defs = definitions; + const rootGroup = this.svgFactory.createElement("svg:g"); + rootGroup.setAttributeNS(null, "transform", pm(viewport.transform)); + svg.appendChild(rootGroup); + this.svg = rootGroup; + return svg; + } + + _ensureClipGroup() { + if (!this.current.clipGroup) { + const clipGroup = this.svgFactory.createElement("svg:g"); + clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl); + this.svg.appendChild(clipGroup); + this.current.clipGroup = clipGroup; + } + + return this.current.clipGroup; + } + + _ensureTransformGroup() { + if (!this.tgrp) { + this.tgrp = this.svgFactory.createElement("svg:g"); + this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix)); + + if (this.current.activeClipUrl) { + this._ensureClipGroup().appendChild(this.tgrp); + } else { + this.svg.appendChild(this.tgrp); + } + } + + return this.tgrp; + } + + }; +} + +/***/ }), +/* 19 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFNodeStream = void 0; + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(20); + +const fs = require("fs"); + +const http = require("http"); + +const https = require("https"); + +const url = require("url"); + +const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//; + +function parseUrl(sourceUrl) { + const parsedUrl = url.parse(sourceUrl); + + if (parsedUrl.protocol === "file:" || parsedUrl.host) { + return parsedUrl; + } + + if (/^[a-z]:[/\\]/i.test(sourceUrl)) { + return url.parse(`file:///${sourceUrl}`); + } + + if (!parsedUrl.host) { + parsedUrl.protocol = "file:"; + } + + return parsedUrl; +} + +class PDFNodeStream { + constructor(source) { + this.source = source; + this.url = parseUrl(source.url); + this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:"; + this.isFsUrl = this.url.protocol === "file:"; + this.httpHeaders = this.isHttp && source.httpHeaders || {}; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + get _progressiveDataLength() { + return this._fullRequestReader ? this._fullRequestReader._loaded : 0; + } + + getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this); + return this._fullRequestReader; + } + + getRangeReader(start, end) { + if (end <= this._progressiveDataLength) { + return null; + } + + const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end); + + this._rangeRequestReaders.push(rangeReader); + + return rangeReader; + } + + cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + + const readers = this._rangeRequestReaders.slice(0); + + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } + +} + +exports.PDFNodeStream = PDFNodeStream; + +class BaseFullReader { + constructor(stream) { + this._url = stream.url; + this._done = false; + this._storedError = null; + this.onProgress = null; + const source = stream.source; + this._contentLength = source.length; + this._loaded = 0; + this._filename = null; + this._disableRange = source.disableRange || false; + this._rangeChunkSize = source.rangeChunkSize; + + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + + this._isStreamingSupported = !source.disableStream; + this._isRangeSupported = !source.disableRange; + this._readableStream = null; + this._readCapability = (0, _util.createPromiseCapability)(); + this._headersCapability = (0, _util.createPromiseCapability)(); + } + + get headersReady() { + return this._headersCapability.promise; + } + + get filename() { + return this._filename; + } + + get contentLength() { + return this._contentLength; + } + + get isRangeSupported() { + return this._isRangeSupported; + } + + get isStreamingSupported() { + return this._isStreamingSupported; + } + + async read() { + await this._readCapability.promise; + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + if (this._storedError) { + throw this._storedError; + } + + const chunk = this._readableStream.read(); + + if (chunk === null) { + this._readCapability = (0, _util.createPromiseCapability)(); + return this.read(); + } + + this._loaded += chunk.length; + + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded, + total: this._contentLength + }); + } + + const buffer = new Uint8Array(chunk).buffer; + return { + value: buffer, + done: false + }; + } + + cancel(reason) { + if (!this._readableStream) { + this._error(reason); + + return; + } + + this._readableStream.destroy(reason); + } + + _error(reason) { + this._storedError = reason; + + this._readCapability.resolve(); + } + + _setReadableStream(readableStream) { + this._readableStream = readableStream; + readableStream.on("readable", () => { + this._readCapability.resolve(); + }); + readableStream.on("end", () => { + readableStream.destroy(); + this._done = true; + + this._readCapability.resolve(); + }); + readableStream.on("error", reason => { + this._error(reason); + }); + + if (!this._isStreamingSupported && this._isRangeSupported) { + this._error(new _util.AbortException("streaming is disabled")); + } + + if (this._storedError) { + this._readableStream.destroy(this._storedError); + } + } + +} + +class BaseRangeReader { + constructor(stream) { + this._url = stream.url; + this._done = false; + this._storedError = null; + this.onProgress = null; + this._loaded = 0; + this._readableStream = null; + this._readCapability = (0, _util.createPromiseCapability)(); + const source = stream.source; + this._isStreamingSupported = !source.disableStream; + } + + get isStreamingSupported() { + return this._isStreamingSupported; + } + + async read() { + await this._readCapability.promise; + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + if (this._storedError) { + throw this._storedError; + } + + const chunk = this._readableStream.read(); + + if (chunk === null) { + this._readCapability = (0, _util.createPromiseCapability)(); + return this.read(); + } + + this._loaded += chunk.length; + + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded + }); + } + + const buffer = new Uint8Array(chunk).buffer; + return { + value: buffer, + done: false + }; + } + + cancel(reason) { + if (!this._readableStream) { + this._error(reason); + + return; + } + + this._readableStream.destroy(reason); + } + + _error(reason) { + this._storedError = reason; + + this._readCapability.resolve(); + } + + _setReadableStream(readableStream) { + this._readableStream = readableStream; + readableStream.on("readable", () => { + this._readCapability.resolve(); + }); + readableStream.on("end", () => { + readableStream.destroy(); + this._done = true; + + this._readCapability.resolve(); + }); + readableStream.on("error", reason => { + this._error(reason); + }); + + if (this._storedError) { + this._readableStream.destroy(this._storedError); + } + } + +} + +function createRequestOptions(url, headers) { + return { + protocol: url.protocol, + auth: url.auth, + host: url.hostname, + port: url.port, + path: url.path, + method: "GET", + headers + }; +} + +class PDFNodeStreamFullReader extends BaseFullReader { + constructor(stream) { + super(stream); + + const handleResponse = response => { + if (response.statusCode === 404) { + const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); + this._storedError = error; + + this._headersCapability.reject(error); + + return; + } + + this._headersCapability.resolve(); + + this._setReadableStream(response); + + const getResponseHeader = name => { + return this._readableStream.headers[name.toLowerCase()]; + }; + + const { + allowRangeRequests, + suggestedLength + } = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader, + isHttp: stream.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }); + this._isRangeSupported = allowRangeRequests; + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + }; + + this._request = null; + + if (this._url.protocol === "http:") { + this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); + } else { + this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse); + } + + this._request.on("error", reason => { + this._storedError = reason; + + this._headersCapability.reject(reason); + }); + + this._request.end(); + } + +} + +class PDFNodeStreamRangeReader extends BaseRangeReader { + constructor(stream, start, end) { + super(stream); + this._httpHeaders = {}; + + for (const property in stream.httpHeaders) { + const value = stream.httpHeaders[property]; + + if (typeof value === "undefined") { + continue; + } + + this._httpHeaders[property] = value; + } + + this._httpHeaders["Range"] = `bytes=${start}-${end - 1}`; + + const handleResponse = response => { + if (response.statusCode === 404) { + const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`); + this._storedError = error; + return; + } + + this._setReadableStream(response); + }; + + this._request = null; + + if (this._url.protocol === "http:") { + this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); + } else { + this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse); + } + + this._request.on("error", reason => { + this._storedError = reason; + }); + + this._request.end(); + } + +} + +class PDFNodeStreamFsFullReader extends BaseFullReader { + constructor(stream) { + super(stream); + let path = decodeURIComponent(this._url.path); + + if (fileUriRegex.test(this._url.href)) { + path = path.replace(/^\//, ""); + } + + fs.lstat(path, (error, stat) => { + if (error) { + if (error.code === "ENOENT") { + error = new _util.MissingPDFException(`Missing PDF "${path}".`); + } + + this._storedError = error; + + this._headersCapability.reject(error); + + return; + } + + this._contentLength = stat.size; + + this._setReadableStream(fs.createReadStream(path)); + + this._headersCapability.resolve(); + }); + } + +} + +class PDFNodeStreamFsRangeReader extends BaseRangeReader { + constructor(stream, start, end) { + super(stream); + let path = decodeURIComponent(this._url.path); + + if (fileUriRegex.test(this._url.href)) { + path = path.replace(/^\//, ""); + } + + this._setReadableStream(fs.createReadStream(path, { + start, + end: end - 1 + })); + } + +} + +/***/ }), +/* 20 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.createResponseStatusError = createResponseStatusError; +exports.extractFilenameFromHeader = extractFilenameFromHeader; +exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities; +exports.validateResponseStatus = validateResponseStatus; + +var _util = __w_pdfjs_require__(1); + +var _content_disposition = __w_pdfjs_require__(21); + +function validateRangeRequestCapabilities({ + getResponseHeader, + isHttp, + rangeChunkSize, + disableRange +}) { + (0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero"); + const returnValues = { + allowRangeRequests: false, + suggestedLength: undefined + }; + const length = parseInt(getResponseHeader("Content-Length"), 10); + + if (!Number.isInteger(length)) { + return returnValues; + } + + returnValues.suggestedLength = length; + + if (length <= 2 * rangeChunkSize) { + return returnValues; + } + + if (disableRange || !isHttp) { + return returnValues; + } + + if (getResponseHeader("Accept-Ranges") !== "bytes") { + return returnValues; + } + + const contentEncoding = getResponseHeader("Content-Encoding") || "identity"; + + if (contentEncoding !== "identity") { + return returnValues; + } + + returnValues.allowRangeRequests = true; + return returnValues; +} + +function extractFilenameFromHeader(getResponseHeader) { + const contentDisposition = getResponseHeader("Content-Disposition"); + + if (contentDisposition) { + let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition); + + if (filename.includes("%")) { + try { + filename = decodeURIComponent(filename); + } catch (ex) {} + } + + if (/\.pdf$/i.test(filename)) { + return filename; + } + } + + return null; +} + +function createResponseStatusError(status, url) { + if (status === 404 || status === 0 && url.startsWith("file:")) { + return new _util.MissingPDFException('Missing PDF "' + url + '".'); + } + + return new _util.UnexpectedResponseException("Unexpected server response (" + status + ') while retrieving PDF "' + url + '".', status); +} + +function validateResponseStatus(status) { + return status === 200 || status === 206; +} + +/***/ }), +/* 21 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader; + +function getFilenameFromContentDispositionHeader(contentDisposition) { + let needsEncodingFixup = true; + let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition); + + if (tmp) { + tmp = tmp[1]; + let filename = rfc2616unquote(tmp); + filename = unescape(filename); + filename = rfc5987decode(filename); + filename = rfc2047decode(filename); + return fixupEncoding(filename); + } + + tmp = rfc2231getparam(contentDisposition); + + if (tmp) { + const filename = rfc2047decode(tmp); + return fixupEncoding(filename); + } + + tmp = toParamRegExp("filename", "i").exec(contentDisposition); + + if (tmp) { + tmp = tmp[1]; + let filename = rfc2616unquote(tmp); + filename = rfc2047decode(filename); + return fixupEncoding(filename); + } + + function toParamRegExp(attributePattern, flags) { + return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags); + } + + function textdecode(encoding, value) { + if (encoding) { + if (!/^[\x00-\xFF]+$/.test(value)) { + return value; + } + + try { + const decoder = new TextDecoder(encoding, { + fatal: true + }); + const bytes = Array.from(value, function (ch) { + return ch.charCodeAt(0) & 0xff; + }); + value = decoder.decode(new Uint8Array(bytes)); + needsEncodingFixup = false; + } catch (e) { + if (/^utf-?8$/i.test(encoding)) { + try { + value = decodeURIComponent(escape(value)); + needsEncodingFixup = false; + } catch (err) {} + } + } + } + + return value; + } + + function fixupEncoding(value) { + if (needsEncodingFixup && /[\x80-\xff]/.test(value)) { + value = textdecode("utf-8", value); + + if (needsEncodingFixup) { + value = textdecode("iso-8859-1", value); + } + } + + return value; + } + + function rfc2231getparam(contentDisposition) { + const matches = []; + let match; + const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig"); + + while ((match = iter.exec(contentDisposition)) !== null) { + let [, n, quot, part] = match; + n = parseInt(n, 10); + + if (n in matches) { + if (n === 0) { + break; + } + + continue; + } + + matches[n] = [quot, part]; + } + + const parts = []; + + for (let n = 0; n < matches.length; ++n) { + if (!(n in matches)) { + break; + } + + let [quot, part] = matches[n]; + part = rfc2616unquote(part); + + if (quot) { + part = unescape(part); + + if (n === 0) { + part = rfc5987decode(part); + } + } + + parts.push(part); + } + + return parts.join(""); + } + + function rfc2616unquote(value) { + if (value.startsWith('"')) { + const parts = value.slice(1).split('\\"'); + + for (let i = 0; i < parts.length; ++i) { + const quotindex = parts[i].indexOf('"'); + + if (quotindex !== -1) { + parts[i] = parts[i].slice(0, quotindex); + parts.length = i + 1; + } + + parts[i] = parts[i].replace(/\\(.)/g, "$1"); + } + + value = parts.join('"'); + } + + return value; + } + + function rfc5987decode(extvalue) { + const encodingend = extvalue.indexOf("'"); + + if (encodingend === -1) { + return extvalue; + } + + const encoding = extvalue.slice(0, encodingend); + const langvalue = extvalue.slice(encodingend + 1); + const value = langvalue.replace(/^[^']*'/, ""); + return textdecode(encoding, value); + } + + function rfc2047decode(value) { + if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) { + return value; + } + + return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (_, charset, encoding, text) { + if (encoding === "q" || encoding === "Q") { + text = text.replace(/_/g, " "); + text = text.replace(/=([0-9a-fA-F]{2})/g, function (_, hex) { + return String.fromCharCode(parseInt(hex, 16)); + }); + return textdecode(charset, text); + } + + try { + text = atob(text); + } catch (e) {} + + return textdecode(charset, text); + }); + } + + return ""; +} + +/***/ }), +/* 22 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFNetworkStream = void 0; + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(20); + +; +const OK_RESPONSE = 200; +const PARTIAL_CONTENT_RESPONSE = 206; + +function getArrayBuffer(xhr) { + const data = xhr.response; + + if (typeof data !== "string") { + return data; + } + + const array = (0, _util.stringToBytes)(data); + return array.buffer; +} + +class NetworkManager { + constructor(url, args) { + this.url = url; + args = args || {}; + this.isHttp = /^https?:/i.test(url); + this.httpHeaders = this.isHttp && args.httpHeaders || {}; + this.withCredentials = args.withCredentials || false; + + this.getXhr = args.getXhr || function NetworkManager_getXhr() { + return new XMLHttpRequest(); + }; + + this.currXhrId = 0; + this.pendingRequests = Object.create(null); + } + + requestRange(begin, end, listeners) { + const args = { + begin, + end + }; + + for (const prop in listeners) { + args[prop] = listeners[prop]; + } + + return this.request(args); + } + + requestFull(listeners) { + return this.request(listeners); + } + + request(args) { + const xhr = this.getXhr(); + const xhrId = this.currXhrId++; + const pendingRequest = this.pendingRequests[xhrId] = { + xhr + }; + xhr.open("GET", this.url); + xhr.withCredentials = this.withCredentials; + + for (const property in this.httpHeaders) { + const value = this.httpHeaders[property]; + + if (typeof value === "undefined") { + continue; + } + + xhr.setRequestHeader(property, value); + } + + if (this.isHttp && "begin" in args && "end" in args) { + xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`); + pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE; + } else { + pendingRequest.expectedStatus = OK_RESPONSE; + } + + xhr.responseType = "arraybuffer"; + + if (args.onError) { + xhr.onerror = function (evt) { + args.onError(xhr.status); + }; + } + + xhr.onreadystatechange = this.onStateChange.bind(this, xhrId); + xhr.onprogress = this.onProgress.bind(this, xhrId); + pendingRequest.onHeadersReceived = args.onHeadersReceived; + pendingRequest.onDone = args.onDone; + pendingRequest.onError = args.onError; + pendingRequest.onProgress = args.onProgress; + xhr.send(null); + return xhrId; + } + + onProgress(xhrId, evt) { + const pendingRequest = this.pendingRequests[xhrId]; + + if (!pendingRequest) { + return; + } + + if (pendingRequest.onProgress) { + pendingRequest.onProgress(evt); + } + } + + onStateChange(xhrId, evt) { + const pendingRequest = this.pendingRequests[xhrId]; + + if (!pendingRequest) { + return; + } + + const xhr = pendingRequest.xhr; + + if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) { + pendingRequest.onHeadersReceived(); + delete pendingRequest.onHeadersReceived; + } + + if (xhr.readyState !== 4) { + return; + } + + if (!(xhrId in this.pendingRequests)) { + return; + } + + delete this.pendingRequests[xhrId]; + + if (xhr.status === 0 && this.isHttp) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + + return; + } + + const xhrStatus = xhr.status || OK_RESPONSE; + const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE; + + if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) { + if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + + return; + } + + const chunk = getArrayBuffer(xhr); + + if (xhrStatus === PARTIAL_CONTENT_RESPONSE) { + const rangeHeader = xhr.getResponseHeader("Content-Range"); + const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader); + pendingRequest.onDone({ + begin: parseInt(matches[1], 10), + chunk + }); + } else if (chunk) { + pendingRequest.onDone({ + begin: 0, + chunk + }); + } else if (pendingRequest.onError) { + pendingRequest.onError(xhr.status); + } + } + + hasPendingRequests() { + for (const xhrId in this.pendingRequests) { + return true; + } + + return false; + } + + getRequestXhr(xhrId) { + return this.pendingRequests[xhrId].xhr; + } + + isPendingRequest(xhrId) { + return xhrId in this.pendingRequests; + } + + abortAllRequests() { + for (const xhrId in this.pendingRequests) { + this.abortRequest(xhrId | 0); + } + } + + abortRequest(xhrId) { + const xhr = this.pendingRequests[xhrId].xhr; + delete this.pendingRequests[xhrId]; + xhr.abort(); + } + +} + +class PDFNetworkStream { + constructor(source) { + this._source = source; + this._manager = new NetworkManager(source.url, { + httpHeaders: source.httpHeaders, + withCredentials: source.withCredentials + }); + this._rangeChunkSize = source.rangeChunkSize; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + _onRangeRequestReaderClosed(reader) { + const i = this._rangeRequestReaders.indexOf(reader); + + if (i >= 0) { + this._rangeRequestReaders.splice(i, 1); + } + } + + getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source); + return this._fullRequestReader; + } + + getRangeReader(begin, end) { + const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end); + reader.onClosed = this._onRangeRequestReaderClosed.bind(this); + + this._rangeRequestReaders.push(reader); + + return reader; + } + + cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + + const readers = this._rangeRequestReaders.slice(0); + + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } + +} + +exports.PDFNetworkStream = PDFNetworkStream; + +class PDFNetworkStreamFullRequestReader { + constructor(manager, source) { + this._manager = manager; + const args = { + onHeadersReceived: this._onHeadersReceived.bind(this), + onDone: this._onDone.bind(this), + onError: this._onError.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._url = source.url; + this._fullRequestId = manager.requestFull(args); + this._headersReceivedCapability = (0, _util.createPromiseCapability)(); + this._disableRange = source.disableRange || false; + this._contentLength = source.length; + this._rangeChunkSize = source.rangeChunkSize; + + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + + this._isStreamingSupported = false; + this._isRangeSupported = false; + this._cachedChunks = []; + this._requests = []; + this._done = false; + this._storedError = undefined; + this._filename = null; + this.onProgress = null; + } + + _onHeadersReceived() { + const fullRequestXhrId = this._fullRequestId; + + const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId); + + const getResponseHeader = name => { + return fullRequestXhr.getResponseHeader(name); + }; + + const { + allowRangeRequests, + suggestedLength + } = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader, + isHttp: this._manager.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }); + + if (allowRangeRequests) { + this._isRangeSupported = true; + } + + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + + if (this._isRangeSupported) { + this._manager.abortRequest(fullRequestXhrId); + } + + this._headersReceivedCapability.resolve(); + } + + _onDone(args) { + if (args) { + if (this._requests.length > 0) { + const requestCapability = this._requests.shift(); + + requestCapability.resolve({ + value: args.chunk, + done: false + }); + } else { + this._cachedChunks.push(args.chunk); + } + } + + this._done = true; + + if (this._cachedChunks.length > 0) { + return; + } + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + } + + _onError(status) { + const url = this._url; + const exception = (0, _network_utils.createResponseStatusError)(status, url); + this._storedError = exception; + + this._headersReceivedCapability.reject(exception); + + this._requests.forEach(function (requestCapability) { + requestCapability.reject(exception); + }); + + this._requests = []; + this._cachedChunks = []; + } + + _onProgress(data) { + if (this.onProgress) { + this.onProgress({ + loaded: data.loaded, + total: data.lengthComputable ? data.total : this._contentLength + }); + } + } + + get filename() { + return this._filename; + } + + get isRangeSupported() { + return this._isRangeSupported; + } + + get isStreamingSupported() { + return this._isStreamingSupported; + } + + get contentLength() { + return this._contentLength; + } + + get headersReady() { + return this._headersReceivedCapability.promise; + } + + async read() { + if (this._storedError) { + throw this._storedError; + } + + if (this._cachedChunks.length > 0) { + const chunk = this._cachedChunks.shift(); + + return { + value: chunk, + done: false + }; + } + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + const requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + + return requestCapability.promise; + } + + cancel(reason) { + this._done = true; + + this._headersReceivedCapability.reject(reason); + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + + if (this._manager.isPendingRequest(this._fullRequestId)) { + this._manager.abortRequest(this._fullRequestId); + } + + this._fullRequestReader = null; + } + +} + +class PDFNetworkStreamRangeRequestReader { + constructor(manager, begin, end) { + this._manager = manager; + const args = { + onDone: this._onDone.bind(this), + onProgress: this._onProgress.bind(this) + }; + this._requestId = manager.requestRange(begin, end, args); + this._requests = []; + this._queuedChunk = null; + this._done = false; + this.onProgress = null; + this.onClosed = null; + } + + _close() { + if (this.onClosed) { + this.onClosed(this); + } + } + + _onDone(data) { + const chunk = data.chunk; + + if (this._requests.length > 0) { + const requestCapability = this._requests.shift(); + + requestCapability.resolve({ + value: chunk, + done: false + }); + } else { + this._queuedChunk = chunk; + } + + this._done = true; + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + + this._close(); + } + + _onProgress(evt) { + if (!this.isStreamingSupported && this.onProgress) { + this.onProgress({ + loaded: evt.loaded + }); + } + } + + get isStreamingSupported() { + return false; + } + + async read() { + if (this._queuedChunk !== null) { + const chunk = this._queuedChunk; + this._queuedChunk = null; + return { + value: chunk, + done: false + }; + } + + if (this._done) { + return { + value: undefined, + done: true + }; + } + + const requestCapability = (0, _util.createPromiseCapability)(); + + this._requests.push(requestCapability); + + return requestCapability.promise; + } + + cancel(reason) { + this._done = true; + + this._requests.forEach(function (requestCapability) { + requestCapability.resolve({ + value: undefined, + done: true + }); + }); + + this._requests = []; + + if (this._manager.isPendingRequest(this._requestId)) { + this._manager.abortRequest(this._requestId); + } + + this._close(); + } + +} + +/***/ }), +/* 23 */ +/***/ (function(module, exports, __w_pdfjs_require__) { + +"use strict"; + + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.PDFFetchStream = void 0; + +var _util = __w_pdfjs_require__(1); + +var _network_utils = __w_pdfjs_require__(20); + +function createFetchOptions(headers, withCredentials, abortController) { + return { + method: "GET", + headers, + signal: abortController && abortController.signal, + mode: "cors", + credentials: withCredentials ? "include" : "same-origin", + redirect: "follow" + }; +} + +function createHeaders(httpHeaders) { + const headers = new Headers(); + + for (const property in httpHeaders) { + const value = httpHeaders[property]; + + if (typeof value === "undefined") { + continue; + } + + headers.append(property, value); + } + + return headers; +} + +class PDFFetchStream { + constructor(source) { + this.source = source; + this.isHttp = /^https?:/i.test(source.url); + this.httpHeaders = this.isHttp && source.httpHeaders || {}; + this._fullRequestReader = null; + this._rangeRequestReaders = []; + } + + get _progressiveDataLength() { + return this._fullRequestReader ? this._fullRequestReader._loaded : 0; + } + + getFullReader() { + (0, _util.assert)(!this._fullRequestReader); + this._fullRequestReader = new PDFFetchStreamReader(this); + return this._fullRequestReader; + } + + getRangeReader(begin, end) { + if (end <= this._progressiveDataLength) { + return null; + } + + const reader = new PDFFetchStreamRangeReader(this, begin, end); + + this._rangeRequestReaders.push(reader); + + return reader; + } + + cancelAllRequests(reason) { + if (this._fullRequestReader) { + this._fullRequestReader.cancel(reason); + } + + const readers = this._rangeRequestReaders.slice(0); + + readers.forEach(function (reader) { + reader.cancel(reason); + }); + } + +} + +exports.PDFFetchStream = PDFFetchStream; + +class PDFFetchStreamReader { + constructor(stream) { + this._stream = stream; + this._reader = null; + this._loaded = 0; + this._filename = null; + const source = stream.source; + this._withCredentials = source.withCredentials || false; + this._contentLength = source.length; + this._headersCapability = (0, _util.createPromiseCapability)(); + this._disableRange = source.disableRange || false; + this._rangeChunkSize = source.rangeChunkSize; + + if (!this._rangeChunkSize && !this._disableRange) { + this._disableRange = true; + } + + if (typeof AbortController !== "undefined") { + this._abortController = new AbortController(); + } + + this._isStreamingSupported = !source.disableStream; + this._isRangeSupported = !source.disableRange; + this._headers = createHeaders(this._stream.httpHeaders); + const url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); + } + + this._reader = response.body.getReader(); + + this._headersCapability.resolve(); + + const getResponseHeader = name => { + return response.headers.get(name); + }; + + const { + allowRangeRequests, + suggestedLength + } = (0, _network_utils.validateRangeRequestCapabilities)({ + getResponseHeader, + isHttp: this._stream.isHttp, + rangeChunkSize: this._rangeChunkSize, + disableRange: this._disableRange + }); + this._isRangeSupported = allowRangeRequests; + this._contentLength = suggestedLength || this._contentLength; + this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader); + + if (!this._isStreamingSupported && this._isRangeSupported) { + this.cancel(new _util.AbortException("Streaming is disabled.")); + } + }).catch(this._headersCapability.reject); + this.onProgress = null; + } + + get headersReady() { + return this._headersCapability.promise; + } + + get filename() { + return this._filename; + } + + get contentLength() { + return this._contentLength; + } + + get isRangeSupported() { + return this._isRangeSupported; + } + + get isStreamingSupported() { + return this._isStreamingSupported; + } + + async read() { + await this._headersCapability.promise; + const { + value, + done + } = await this._reader.read(); + + if (done) { + return { + value, + done + }; + } + + this._loaded += value.byteLength; + + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded, + total: this._contentLength + }); + } + + const buffer = new Uint8Array(value).buffer; + return { + value: buffer, + done: false + }; + } + + cancel(reason) { + if (this._reader) { + this._reader.cancel(reason); + } + + if (this._abortController) { + this._abortController.abort(); + } + } + +} + +class PDFFetchStreamRangeReader { + constructor(stream, begin, end) { + this._stream = stream; + this._reader = null; + this._loaded = 0; + const source = stream.source; + this._withCredentials = source.withCredentials || false; + this._readCapability = (0, _util.createPromiseCapability)(); + this._isStreamingSupported = !source.disableStream; + + if (typeof AbortController !== "undefined") { + this._abortController = new AbortController(); + } + + this._headers = createHeaders(this._stream.httpHeaders); + + this._headers.append("Range", `bytes=${begin}-${end - 1}`); + + const url = source.url; + fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => { + if (!(0, _network_utils.validateResponseStatus)(response.status)) { + throw (0, _network_utils.createResponseStatusError)(response.status, url); + } + + this._readCapability.resolve(); + + this._reader = response.body.getReader(); + }); + this.onProgress = null; + } + + get isStreamingSupported() { + return this._isStreamingSupported; + } + + async read() { + await this._readCapability.promise; + const { + value, + done + } = await this._reader.read(); + + if (done) { + return { + value, + done + }; + } + + this._loaded += value.byteLength; + + if (this.onProgress) { + this.onProgress({ + loaded: this._loaded + }); + } + + const buffer = new Uint8Array(value).buffer; + return { + value: buffer, + done: false + }; + } + + cancel(reason) { + if (this._reader) { + this._reader.cancel(reason); + } + + if (this._abortController) { + this._abortController.abort(); + } + } + +} + +/***/ }) +/******/ ]); +}); +//# sourceMappingURL=pdf.js.map