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- /**
- * @licstart The following is the entire license notice for the
- * Javascript code in this page
- *
- * Copyright 2021 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * @licend The above is the entire license notice for the
- * Javascript code in this page
- */
- (function webpackUniversalModuleDefinition(root, factory) {
- if(typeof exports === 'object' && typeof module === 'object')
- module.exports = factory();
- else if(typeof define === 'function' && define.amd)
- define("pdfjs-dist/image_decoders/pdf.image_decoders", [], factory);
- else if(typeof exports === 'object')
- exports["pdfjs-dist/image_decoders/pdf.image_decoders"] = factory();
- else
- root["pdfjs-dist/image_decoders/pdf.image_decoders"] = root.pdfjsImageDecoders = factory();
- })(this, function() {
- return /******/ (() => { // webpackBootstrap
- /******/ var __webpack_modules__ = ([
- /* 0 */,
- /* 1 */
- /***/ ((__unused_webpack_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.createObjectURL = createObjectURL;
- exports.createPromiseCapability = createPromiseCapability;
- exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
- exports.escapeString = escapeString;
- exports.getModificationDate = getModificationDate;
- exports.getVerbosityLevel = getVerbosityLevel;
- exports.info = info;
- exports.isArrayBuffer = isArrayBuffer;
- exports.isArrayEqual = isArrayEqual;
- exports.isAscii = isAscii;
- exports.isBool = isBool;
- exports.isNum = isNum;
- exports.isSameOrigin = isSameOrigin;
- exports.isString = isString;
- exports.objectFromMap = objectFromMap;
- exports.objectSize = objectSize;
- exports.removeNullCharacters = removeNullCharacters;
- exports.setVerbosityLevel = setVerbosityLevel;
- exports.shadow = shadow;
- exports.string32 = string32;
- exports.stringToBytes = stringToBytes;
- exports.stringToPDFString = stringToPDFString;
- exports.stringToUTF16BEString = stringToUTF16BEString;
- exports.stringToUTF8String = stringToUTF8String;
- exports.unreachable = unreachable;
- exports.utf8StringToString = utf8StringToString;
- exports.warn = warn;
- exports.VerbosityLevel = exports.Util = exports.UNSUPPORTED_FEATURES = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.RenderingIntentFlag = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.PageActionEventType = exports.OPS = exports.MissingPDFException = exports.IsLittleEndianCached = exports.IsEvalSupportedCached = exports.InvalidPDFException = exports.ImageKind = exports.IDENTITY_MATRIX = exports.FormatError = exports.FontType = exports.FONT_IDENTITY_MATRIX = exports.DocumentActionEventType = exports.CMapCompressionType = exports.BaseException = exports.AnnotationType = exports.AnnotationStateModelType = exports.AnnotationReviewState = exports.AnnotationReplyType = exports.AnnotationMode = exports.AnnotationMarkedState = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.AnnotationActionEventType = exports.AbortException = void 0;
- __w_pdfjs_require__(2);
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
- function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
- function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }
- function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
- function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
- function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
- function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
- function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
- function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
- function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
- function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
- function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
- function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
- exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
- var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
- exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
- var RenderingIntentFlag = {
- ANY: 0x01,
- DISPLAY: 0x02,
- PRINT: 0x04,
- ANNOTATIONS_FORMS: 0x10,
- ANNOTATIONS_STORAGE: 0x20,
- ANNOTATIONS_DISABLE: 0x40,
- OPLIST: 0x100
- };
- exports.RenderingIntentFlag = RenderingIntentFlag;
- var AnnotationMode = {
- DISABLE: 0,
- ENABLE: 1,
- ENABLE_FORMS: 2,
- ENABLE_STORAGE: 3
- };
- exports.AnnotationMode = AnnotationMode;
- var PermissionFlag = {
- PRINT: 0x04,
- MODIFY_CONTENTS: 0x08,
- COPY: 0x10,
- MODIFY_ANNOTATIONS: 0x20,
- FILL_INTERACTIVE_FORMS: 0x100,
- COPY_FOR_ACCESSIBILITY: 0x200,
- ASSEMBLE: 0x400,
- PRINT_HIGH_QUALITY: 0x800
- };
- exports.PermissionFlag = PermissionFlag;
- var TextRenderingMode = {
- FILL: 0,
- STROKE: 1,
- FILL_STROKE: 2,
- INVISIBLE: 3,
- FILL_ADD_TO_PATH: 4,
- STROKE_ADD_TO_PATH: 5,
- FILL_STROKE_ADD_TO_PATH: 6,
- ADD_TO_PATH: 7,
- FILL_STROKE_MASK: 3,
- ADD_TO_PATH_FLAG: 4
- };
- exports.TextRenderingMode = TextRenderingMode;
- var ImageKind = {
- GRAYSCALE_1BPP: 1,
- RGB_24BPP: 2,
- RGBA_32BPP: 3
- };
- exports.ImageKind = ImageKind;
- var AnnotationType = {
- TEXT: 1,
- LINK: 2,
- FREETEXT: 3,
- LINE: 4,
- SQUARE: 5,
- CIRCLE: 6,
- POLYGON: 7,
- POLYLINE: 8,
- HIGHLIGHT: 9,
- UNDERLINE: 10,
- SQUIGGLY: 11,
- STRIKEOUT: 12,
- STAMP: 13,
- CARET: 14,
- INK: 15,
- POPUP: 16,
- FILEATTACHMENT: 17,
- SOUND: 18,
- MOVIE: 19,
- WIDGET: 20,
- SCREEN: 21,
- PRINTERMARK: 22,
- TRAPNET: 23,
- WATERMARK: 24,
- THREED: 25,
- REDACT: 26
- };
- exports.AnnotationType = AnnotationType;
- var AnnotationStateModelType = {
- MARKED: "Marked",
- REVIEW: "Review"
- };
- exports.AnnotationStateModelType = AnnotationStateModelType;
- var AnnotationMarkedState = {
- MARKED: "Marked",
- UNMARKED: "Unmarked"
- };
- exports.AnnotationMarkedState = AnnotationMarkedState;
- var AnnotationReviewState = {
- ACCEPTED: "Accepted",
- REJECTED: "Rejected",
- CANCELLED: "Cancelled",
- COMPLETED: "Completed",
- NONE: "None"
- };
- exports.AnnotationReviewState = AnnotationReviewState;
- var AnnotationReplyType = {
- GROUP: "Group",
- REPLY: "R"
- };
- exports.AnnotationReplyType = AnnotationReplyType;
- var AnnotationFlag = {
- INVISIBLE: 0x01,
- HIDDEN: 0x02,
- PRINT: 0x04,
- NOZOOM: 0x08,
- NOROTATE: 0x10,
- NOVIEW: 0x20,
- READONLY: 0x40,
- LOCKED: 0x80,
- TOGGLENOVIEW: 0x100,
- LOCKEDCONTENTS: 0x200
- };
- exports.AnnotationFlag = AnnotationFlag;
- var AnnotationFieldFlag = {
- READONLY: 0x0000001,
- REQUIRED: 0x0000002,
- NOEXPORT: 0x0000004,
- MULTILINE: 0x0001000,
- PASSWORD: 0x0002000,
- NOTOGGLETOOFF: 0x0004000,
- RADIO: 0x0008000,
- PUSHBUTTON: 0x0010000,
- COMBO: 0x0020000,
- EDIT: 0x0040000,
- SORT: 0x0080000,
- FILESELECT: 0x0100000,
- MULTISELECT: 0x0200000,
- DONOTSPELLCHECK: 0x0400000,
- DONOTSCROLL: 0x0800000,
- COMB: 0x1000000,
- RICHTEXT: 0x2000000,
- RADIOSINUNISON: 0x2000000,
- COMMITONSELCHANGE: 0x4000000
- };
- exports.AnnotationFieldFlag = AnnotationFieldFlag;
- var AnnotationBorderStyleType = {
- SOLID: 1,
- DASHED: 2,
- BEVELED: 3,
- INSET: 4,
- UNDERLINE: 5
- };
- exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
- var AnnotationActionEventType = {
- E: "Mouse Enter",
- X: "Mouse Exit",
- D: "Mouse Down",
- U: "Mouse Up",
- Fo: "Focus",
- Bl: "Blur",
- PO: "PageOpen",
- PC: "PageClose",
- PV: "PageVisible",
- PI: "PageInvisible",
- K: "Keystroke",
- F: "Format",
- V: "Validate",
- C: "Calculate"
- };
- exports.AnnotationActionEventType = AnnotationActionEventType;
- var DocumentActionEventType = {
- WC: "WillClose",
- WS: "WillSave",
- DS: "DidSave",
- WP: "WillPrint",
- DP: "DidPrint"
- };
- exports.DocumentActionEventType = DocumentActionEventType;
- var PageActionEventType = {
- O: "PageOpen",
- C: "PageClose"
- };
- exports.PageActionEventType = PageActionEventType;
- var StreamType = {
- UNKNOWN: "UNKNOWN",
- FLATE: "FLATE",
- LZW: "LZW",
- DCT: "DCT",
- JPX: "JPX",
- JBIG: "JBIG",
- A85: "A85",
- AHX: "AHX",
- CCF: "CCF",
- RLX: "RLX"
- };
- exports.StreamType = StreamType;
- var FontType = {
- UNKNOWN: "UNKNOWN",
- TYPE1: "TYPE1",
- TYPE1STANDARD: "TYPE1STANDARD",
- TYPE1C: "TYPE1C",
- CIDFONTTYPE0: "CIDFONTTYPE0",
- CIDFONTTYPE0C: "CIDFONTTYPE0C",
- TRUETYPE: "TRUETYPE",
- CIDFONTTYPE2: "CIDFONTTYPE2",
- TYPE3: "TYPE3",
- OPENTYPE: "OPENTYPE",
- TYPE0: "TYPE0",
- MMTYPE1: "MMTYPE1"
- };
- exports.FontType = FontType;
- var VerbosityLevel = {
- ERRORS: 0,
- WARNINGS: 1,
- INFOS: 5
- };
- exports.VerbosityLevel = VerbosityLevel;
- var CMapCompressionType = {
- NONE: 0,
- BINARY: 1,
- STREAM: 2
- };
- exports.CMapCompressionType = CMapCompressionType;
- var OPS = {
- dependency: 1,
- setLineWidth: 2,
- setLineCap: 3,
- setLineJoin: 4,
- setMiterLimit: 5,
- setDash: 6,
- setRenderingIntent: 7,
- setFlatness: 8,
- setGState: 9,
- save: 10,
- restore: 11,
- transform: 12,
- moveTo: 13,
- lineTo: 14,
- curveTo: 15,
- curveTo2: 16,
- curveTo3: 17,
- closePath: 18,
- rectangle: 19,
- stroke: 20,
- closeStroke: 21,
- fill: 22,
- eoFill: 23,
- fillStroke: 24,
- eoFillStroke: 25,
- closeFillStroke: 26,
- closeEOFillStroke: 27,
- endPath: 28,
- clip: 29,
- eoClip: 30,
- beginText: 31,
- endText: 32,
- setCharSpacing: 33,
- setWordSpacing: 34,
- setHScale: 35,
- setLeading: 36,
- setFont: 37,
- setTextRenderingMode: 38,
- setTextRise: 39,
- moveText: 40,
- setLeadingMoveText: 41,
- setTextMatrix: 42,
- nextLine: 43,
- showText: 44,
- showSpacedText: 45,
- nextLineShowText: 46,
- nextLineSetSpacingShowText: 47,
- setCharWidth: 48,
- setCharWidthAndBounds: 49,
- setStrokeColorSpace: 50,
- setFillColorSpace: 51,
- setStrokeColor: 52,
- setStrokeColorN: 53,
- setFillColor: 54,
- setFillColorN: 55,
- setStrokeGray: 56,
- setFillGray: 57,
- setStrokeRGBColor: 58,
- setFillRGBColor: 59,
- setStrokeCMYKColor: 60,
- setFillCMYKColor: 61,
- shadingFill: 62,
- beginInlineImage: 63,
- beginImageData: 64,
- endInlineImage: 65,
- paintXObject: 66,
- markPoint: 67,
- markPointProps: 68,
- beginMarkedContent: 69,
- beginMarkedContentProps: 70,
- endMarkedContent: 71,
- beginCompat: 72,
- endCompat: 73,
- paintFormXObjectBegin: 74,
- paintFormXObjectEnd: 75,
- beginGroup: 76,
- endGroup: 77,
- beginAnnotations: 78,
- endAnnotations: 79,
- beginAnnotation: 80,
- endAnnotation: 81,
- paintJpegXObject: 82,
- paintImageMaskXObject: 83,
- paintImageMaskXObjectGroup: 84,
- paintImageXObject: 85,
- paintInlineImageXObject: 86,
- paintInlineImageXObjectGroup: 87,
- paintImageXObjectRepeat: 88,
- paintImageMaskXObjectRepeat: 89,
- paintSolidColorImageMask: 90,
- constructPath: 91
- };
- exports.OPS = OPS;
- var UNSUPPORTED_FEATURES = {
- unknown: "unknown",
- forms: "forms",
- javaScript: "javaScript",
- signatures: "signatures",
- smask: "smask",
- shadingPattern: "shadingPattern",
- font: "font",
- errorTilingPattern: "errorTilingPattern",
- errorExtGState: "errorExtGState",
- errorXObject: "errorXObject",
- errorFontLoadType3: "errorFontLoadType3",
- errorFontState: "errorFontState",
- errorFontMissing: "errorFontMissing",
- errorFontTranslate: "errorFontTranslate",
- errorColorSpace: "errorColorSpace",
- errorOperatorList: "errorOperatorList",
- errorFontToUnicode: "errorFontToUnicode",
- errorFontLoadNative: "errorFontLoadNative",
- errorFontBuildPath: "errorFontBuildPath",
- errorFontGetPath: "errorFontGetPath",
- errorMarkedContent: "errorMarkedContent",
- errorContentSubStream: "errorContentSubStream"
- };
- exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
- var PasswordResponses = {
- NEED_PASSWORD: 1,
- INCORRECT_PASSWORD: 2
- };
- exports.PasswordResponses = PasswordResponses;
- var verbosity = VerbosityLevel.WARNINGS;
- function setVerbosityLevel(level) {
- if (Number.isInteger(level)) {
- verbosity = level;
- }
- }
- function getVerbosityLevel() {
- return verbosity;
- }
- function info(msg) {
- if (verbosity >= VerbosityLevel.INFOS) {
- console.log("Info: ".concat(msg));
- }
- }
- function warn(msg) {
- if (verbosity >= VerbosityLevel.WARNINGS) {
- console.log("Warning: ".concat(msg));
- }
- }
- function unreachable(msg) {
- throw new Error(msg);
- }
- function assert(cond, msg) {
- if (!cond) {
- unreachable(msg);
- }
- }
- function isSameOrigin(baseUrl, otherUrl) {
- var base;
- try {
- base = new URL(baseUrl);
- if (!base.origin || base.origin === "null") {
- return false;
- }
- } catch (e) {
- return false;
- }
- var 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) {
- var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
- var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
- if (!url) {
- return null;
- }
- try {
- if (options && typeof url === "string") {
- if (options.addDefaultProtocol && url.startsWith("www.")) {
- var dots = url.match(/\./g);
- if (dots && dots.length >= 2) {
- url = "http://".concat(url);
- }
- }
- if (options.tryConvertEncoding) {
- try {
- url = stringToUTF8String(url);
- } catch (ex) {}
- }
- }
- var 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: value,
- enumerable: true,
- configurable: true,
- writable: false
- });
- return value;
- }
- var BaseException = function BaseExceptionClosure() {
- function BaseException(message, name) {
- if (this.constructor === BaseException) {
- unreachable("Cannot initialize BaseException.");
- }
- this.message = message;
- this.name = name;
- }
- BaseException.prototype = new Error();
- BaseException.constructor = BaseException;
- return BaseException;
- }();
- exports.BaseException = BaseException;
- var PasswordException = /*#__PURE__*/function (_BaseException) {
- _inherits(PasswordException, _BaseException);
- var _super = _createSuper(PasswordException);
- function PasswordException(msg, code) {
- var _this;
- _classCallCheck(this, PasswordException);
- _this = _super.call(this, msg, "PasswordException");
- _this.code = code;
- return _this;
- }
- return PasswordException;
- }(BaseException);
- exports.PasswordException = PasswordException;
- var UnknownErrorException = /*#__PURE__*/function (_BaseException2) {
- _inherits(UnknownErrorException, _BaseException2);
- var _super2 = _createSuper(UnknownErrorException);
- function UnknownErrorException(msg, details) {
- var _this2;
- _classCallCheck(this, UnknownErrorException);
- _this2 = _super2.call(this, msg, "UnknownErrorException");
- _this2.details = details;
- return _this2;
- }
- return UnknownErrorException;
- }(BaseException);
- exports.UnknownErrorException = UnknownErrorException;
- var InvalidPDFException = /*#__PURE__*/function (_BaseException3) {
- _inherits(InvalidPDFException, _BaseException3);
- var _super3 = _createSuper(InvalidPDFException);
- function InvalidPDFException(msg) {
- _classCallCheck(this, InvalidPDFException);
- return _super3.call(this, msg, "InvalidPDFException");
- }
- return InvalidPDFException;
- }(BaseException);
- exports.InvalidPDFException = InvalidPDFException;
- var MissingPDFException = /*#__PURE__*/function (_BaseException4) {
- _inherits(MissingPDFException, _BaseException4);
- var _super4 = _createSuper(MissingPDFException);
- function MissingPDFException(msg) {
- _classCallCheck(this, MissingPDFException);
- return _super4.call(this, msg, "MissingPDFException");
- }
- return MissingPDFException;
- }(BaseException);
- exports.MissingPDFException = MissingPDFException;
- var UnexpectedResponseException = /*#__PURE__*/function (_BaseException5) {
- _inherits(UnexpectedResponseException, _BaseException5);
- var _super5 = _createSuper(UnexpectedResponseException);
- function UnexpectedResponseException(msg, status) {
- var _this3;
- _classCallCheck(this, UnexpectedResponseException);
- _this3 = _super5.call(this, msg, "UnexpectedResponseException");
- _this3.status = status;
- return _this3;
- }
- return UnexpectedResponseException;
- }(BaseException);
- exports.UnexpectedResponseException = UnexpectedResponseException;
- var FormatError = /*#__PURE__*/function (_BaseException6) {
- _inherits(FormatError, _BaseException6);
- var _super6 = _createSuper(FormatError);
- function FormatError(msg) {
- _classCallCheck(this, FormatError);
- return _super6.call(this, msg, "FormatError");
- }
- return FormatError;
- }(BaseException);
- exports.FormatError = FormatError;
- var AbortException = /*#__PURE__*/function (_BaseException7) {
- _inherits(AbortException, _BaseException7);
- var _super7 = _createSuper(AbortException);
- function AbortException(msg) {
- _classCallCheck(this, AbortException);
- return _super7.call(this, msg, "AbortException");
- }
- return AbortException;
- }(BaseException);
- exports.AbortException = AbortException;
- var NullCharactersRegExp = /\x00/g;
- function removeNullCharacters(str) {
- if (typeof str !== "string") {
- warn("The argument for removeNullCharacters must be a string.");
- return str;
- }
- return str.replace(NullCharactersRegExp, "");
- }
- function bytesToString(bytes) {
- assert(bytes !== null && _typeof(bytes) === "object" && bytes.length !== undefined, "Invalid argument for bytesToString");
- var length = bytes.length;
- var MAX_ARGUMENT_COUNT = 8192;
- if (length < MAX_ARGUMENT_COUNT) {
- return String.fromCharCode.apply(null, bytes);
- }
- var strBuf = [];
- for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
- var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
- var chunk = bytes.subarray(i, chunkEnd);
- strBuf.push(String.fromCharCode.apply(null, chunk));
- }
- return strBuf.join("");
- }
- function stringToBytes(str) {
- assert(typeof str === "string", "Invalid argument for stringToBytes");
- var length = str.length;
- var bytes = new Uint8Array(length);
- for (var i = 0; i < length; ++i) {
- bytes[i] = str.charCodeAt(i) & 0xff;
- }
- return bytes;
- }
- function arrayByteLength(arr) {
- if (arr.length !== undefined) {
- return arr.length;
- }
- assert(arr.byteLength !== undefined, "arrayByteLength - invalid argument.");
- return arr.byteLength;
- }
- function arraysToBytes(arr) {
- var length = arr.length;
- if (length === 1 && arr[0] instanceof Uint8Array) {
- return arr[0];
- }
- var resultLength = 0;
- for (var i = 0; i < length; i++) {
- resultLength += arrayByteLength(arr[i]);
- }
- var pos = 0;
- var data = new Uint8Array(resultLength);
- for (var _i = 0; _i < length; _i++) {
- var item = arr[_i];
- if (!(item instanceof Uint8Array)) {
- if (typeof item === "string") {
- item = stringToBytes(item);
- } else {
- item = new Uint8Array(item);
- }
- }
- var 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 objectSize(obj) {
- return Object.keys(obj).length;
- }
- function objectFromMap(map) {
- var obj = Object.create(null);
- var _iterator = _createForOfIteratorHelper(map),
- _step;
- try {
- for (_iterator.s(); !(_step = _iterator.n()).done;) {
- var _step$value = _slicedToArray(_step.value, 2),
- key = _step$value[0],
- value = _step$value[1];
- obj[key] = value;
- }
- } catch (err) {
- _iterator.e(err);
- } finally {
- _iterator.f();
- }
- return obj;
- }
- function isLittleEndian() {
- var buffer8 = new Uint8Array(4);
- buffer8[0] = 1;
- var view32 = new Uint32Array(buffer8.buffer, 0, 1);
- return view32[0] === 1;
- }
- var IsLittleEndianCached = {
- get value() {
- return shadow(this, "value", isLittleEndian());
- }
- };
- exports.IsLittleEndianCached = IsLittleEndianCached;
- function isEvalSupported() {
- try {
- new Function("");
- return true;
- } catch (e) {
- return false;
- }
- }
- var IsEvalSupportedCached = {
- get value() {
- return shadow(this, "value", isEvalSupported());
- }
- };
- exports.IsEvalSupportedCached = IsEvalSupportedCached;
- var hexNumbers = _toConsumableArray(Array(256).keys()).map(function (n) {
- return n.toString(16).padStart(2, "0");
- });
- var Util = /*#__PURE__*/function () {
- function Util() {
- _classCallCheck(this, Util);
- }
- _createClass(Util, null, [{
- key: "makeHexColor",
- value: function makeHexColor(r, g, b) {
- return "#".concat(hexNumbers[r]).concat(hexNumbers[g]).concat(hexNumbers[b]);
- }
- }, {
- key: "transform",
- value: function 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]];
- }
- }, {
- key: "applyTransform",
- value: function applyTransform(p, m) {
- var xt = p[0] * m[0] + p[1] * m[2] + m[4];
- var yt = p[0] * m[1] + p[1] * m[3] + m[5];
- return [xt, yt];
- }
- }, {
- key: "applyInverseTransform",
- value: function applyInverseTransform(p, m) {
- var d = m[0] * m[3] - m[1] * m[2];
- var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
- var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
- return [xt, yt];
- }
- }, {
- key: "getAxialAlignedBoundingBox",
- value: function getAxialAlignedBoundingBox(r, m) {
- var p1 = Util.applyTransform(r, m);
- var p2 = Util.applyTransform(r.slice(2, 4), m);
- var p3 = Util.applyTransform([r[0], r[3]], m);
- var p4 = Util.applyTransform([r[2], r[1]], m);
- return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
- }
- }, {
- key: "inverseTransform",
- value: function inverseTransform(m) {
- var d = m[0] * m[3] - m[1] * m[2];
- return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
- }
- }, {
- key: "apply3dTransform",
- value: function 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]];
- }
- }, {
- key: "singularValueDecompose2dScale",
- value: function singularValueDecompose2dScale(m) {
- var transpose = [m[0], m[2], m[1], m[3]];
- var a = m[0] * transpose[0] + m[1] * transpose[2];
- var b = m[0] * transpose[1] + m[1] * transpose[3];
- var c = m[2] * transpose[0] + m[3] * transpose[2];
- var d = m[2] * transpose[1] + m[3] * transpose[3];
- var first = (a + d) / 2;
- var second = Math.sqrt(Math.pow(a + d, 2) - 4 * (a * d - c * b)) / 2;
- var sx = first + second || 1;
- var sy = first - second || 1;
- return [Math.sqrt(sx), Math.sqrt(sy)];
- }
- }, {
- key: "normalizeRect",
- value: function normalizeRect(rect) {
- var r = rect.slice(0);
- if (rect[0] > rect[2]) {
- r[0] = rect[2];
- r[2] = rect[0];
- }
- if (rect[1] > rect[3]) {
- r[1] = rect[3];
- r[3] = rect[1];
- }
- return r;
- }
- }, {
- key: "intersect",
- value: function intersect(rect1, rect2) {
- function compare(a, b) {
- return a - b;
- }
- var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
- var orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
- var 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;
- }
- }]);
- return Util;
- }();
- exports.Util = Util;
- var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
- function stringToPDFString(str) {
- var length = str.length,
- strBuf = [];
- if (str[0] === "\xFE" && str[1] === "\xFF") {
- for (var 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 (var _i2 = 2; _i2 < length; _i2 += 2) {
- strBuf.push(String.fromCharCode(str.charCodeAt(_i2 + 1) << 8 | str.charCodeAt(_i2)));
- }
- } else {
- for (var _i3 = 0; _i3 < length; ++_i3) {
- var code = PDFStringTranslateTable[str.charCodeAt(_i3)];
- strBuf.push(code ? String.fromCharCode(code) : str.charAt(_i3));
- }
- }
- return strBuf.join("");
- }
- function escapeString(str) {
- return str.replace(/([()\\\n\r])/g, function (match) {
- if (match === "\n") {
- return "\\n";
- } else if (match === "\r") {
- return "\\r";
- }
- return "\\".concat(match);
- });
- }
- function isAscii(str) {
- return /^[\x00-\x7F]*$/.test(str);
- }
- function stringToUTF16BEString(str) {
- var buf = ["\xFE\xFF"];
- for (var i = 0, ii = str.length; i < ii; i++) {
- var _char = str.charCodeAt(i);
- buf.push(String.fromCharCode(_char >> 8 & 0xff), String.fromCharCode(_char & 0xff));
- }
- return buf.join("");
- }
- function stringToUTF8String(str) {
- return decodeURIComponent(escape(str));
- }
- function utf8StringToString(str) {
- return unescape(encodeURIComponent(str));
- }
- 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;
- }
- for (var i = 0, ii = arr1.length; i < ii; i++) {
- if (arr1[i] !== arr2[i]) {
- return false;
- }
- }
- return true;
- }
- function getModificationDate() {
- var date = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : new Date();
- var buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
- return buffer.join("");
- }
- function createPromiseCapability() {
- var capability = Object.create(null);
- var isSettled = false;
- Object.defineProperty(capability, "settled", {
- get: function get() {
- return isSettled;
- }
- });
- capability.promise = new Promise(function (resolve, reject) {
- capability.resolve = function (data) {
- isSettled = true;
- resolve(data);
- };
- capability.reject = function (reason) {
- isSettled = true;
- reject(reason);
- };
- });
- return capability;
- }
- function createObjectURL(data) {
- var contentType = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "";
- var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
- if (URL.createObjectURL && !forceDataSchema) {
- return URL.createObjectURL(new Blob([data], {
- type: contentType
- }));
- }
- var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
- var buffer = "data:".concat(contentType, ";base64,");
- for (var i = 0, ii = data.length; i < ii; i += 3) {
- var b1 = data[i] & 0xff;
- var b2 = data[i + 1] & 0xff;
- var b3 = data[i + 2] & 0xff;
- var d1 = b1 >> 2,
- d2 = (b1 & 3) << 4 | b2 >> 4;
- var d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
- var d4 = i + 2 < ii ? b3 & 0x3f : 64;
- buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
- }
- return buffer;
- }
- /***/ }),
- /* 2 */
- /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var _is_node = __w_pdfjs_require__(3);
- if (typeof globalThis === "undefined" || !globalThis._pdfjsCompatibilityChecked) {
- if (typeof globalThis === "undefined" || globalThis.Math !== Math) {
- globalThis = __w_pdfjs_require__(4);
- }
- globalThis._pdfjsCompatibilityChecked = true;
- (function checkNodeBtoa() {
- if (globalThis.btoa || !_is_node.isNodeJS) {
- return;
- }
- globalThis.btoa = function (chars) {
- return Buffer.from(chars, "binary").toString("base64");
- };
- })();
- (function checkNodeAtob() {
- if (globalThis.atob || !_is_node.isNodeJS) {
- return;
- }
- globalThis.atob = function (input) {
- return Buffer.from(input, "base64").toString("binary");
- };
- })();
- (function checkDOMMatrix() {
- if (globalThis.DOMMatrix || !_is_node.isNodeJS) {
- return;
- }
- globalThis.DOMMatrix = __w_pdfjs_require__(57);
- })();
- (function checkObjectFromEntries() {
- if (Object.fromEntries) {
- return;
- }
- __w_pdfjs_require__(58);
- })();
- (function checkPromise() {})();
- (function checkReadableStream() {})();
- }
- /***/ }),
- /* 3 */
- /***/ ((__unused_webpack_module, exports) => {
- "use strict";
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.isNodeJS = void 0;
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- var isNodeJS = (typeof process === "undefined" ? "undefined" : _typeof(process)) === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
- exports.isNodeJS = isNodeJS;
- /***/ }),
- /* 4 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- __w_pdfjs_require__(5);
- module.exports = __w_pdfjs_require__(7);
- /***/ }),
- /* 5 */
- /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var $ = __w_pdfjs_require__(6);
- var global = __w_pdfjs_require__(7);
- $({ global: true }, { globalThis: global });
- /***/ }),
- /* 6 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var getOwnPropertyDescriptor = __w_pdfjs_require__(8).f;
- var createNonEnumerableProperty = __w_pdfjs_require__(37);
- var redefine = __w_pdfjs_require__(40);
- var setGlobal = __w_pdfjs_require__(31);
- var copyConstructorProperties = __w_pdfjs_require__(46);
- var isForced = __w_pdfjs_require__(56);
- module.exports = function (options, source) {
- var TARGET = options.target;
- var GLOBAL = options.global;
- var STATIC = options.stat;
- var FORCED, target, key, targetProperty, sourceProperty, descriptor;
- if (GLOBAL) {
- target = global;
- } else if (STATIC) {
- target = global[TARGET] || setGlobal(TARGET, {});
- } else {
- target = (global[TARGET] || {}).prototype;
- }
- if (target)
- for (key in source) {
- sourceProperty = source[key];
- if (options.noTargetGet) {
- descriptor = getOwnPropertyDescriptor(target, key);
- targetProperty = descriptor && descriptor.value;
- } else
- targetProperty = target[key];
- FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);
- if (!FORCED && targetProperty !== undefined) {
- if (typeof sourceProperty === typeof targetProperty)
- continue;
- copyConstructorProperties(sourceProperty, targetProperty);
- }
- if (options.sham || targetProperty && targetProperty.sham) {
- createNonEnumerableProperty(sourceProperty, 'sham', true);
- }
- redefine(target, key, sourceProperty, options);
- }
- };
- /***/ }),
- /* 7 */
- /***/ ((module) => {
- var check = function (it) {
- return it && it.Math == Math && it;
- };
- module.exports = check(typeof globalThis == 'object' && globalThis) || check(typeof window == 'object' && window) || check(typeof self == 'object' && self) || check(typeof global == 'object' && global) || function () {
- return this;
- }() || Function('return this')();
- /***/ }),
- /* 8 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- var DESCRIPTORS = __w_pdfjs_require__(9);
- var propertyIsEnumerableModule = __w_pdfjs_require__(11);
- var createPropertyDescriptor = __w_pdfjs_require__(12);
- var toIndexedObject = __w_pdfjs_require__(13);
- var toPropertyKey = __w_pdfjs_require__(17);
- var has = __w_pdfjs_require__(32);
- var IE8_DOM_DEFINE = __w_pdfjs_require__(35);
- var $getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
- exports.f = DESCRIPTORS ? $getOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
- O = toIndexedObject(O);
- P = toPropertyKey(P);
- if (IE8_DOM_DEFINE)
- try {
- return $getOwnPropertyDescriptor(O, P);
- } catch (error) {
- }
- if (has(O, P))
- return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
- };
- /***/ }),
- /* 9 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var fails = __w_pdfjs_require__(10);
- module.exports = !fails(function () {
- return Object.defineProperty({}, 1, {
- get: function () {
- return 7;
- }
- })[1] != 7;
- });
- /***/ }),
- /* 10 */
- /***/ ((module) => {
- module.exports = function (exec) {
- try {
- return !!exec();
- } catch (error) {
- return true;
- }
- };
- /***/ }),
- /* 11 */
- /***/ ((__unused_webpack_module, exports) => {
- "use strict";
- var $propertyIsEnumerable = {}.propertyIsEnumerable;
- var getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
- var NASHORN_BUG = getOwnPropertyDescriptor && !$propertyIsEnumerable.call({ 1: 2 }, 1);
- exports.f = NASHORN_BUG ? function propertyIsEnumerable(V) {
- var descriptor = getOwnPropertyDescriptor(this, V);
- return !!descriptor && descriptor.enumerable;
- } : $propertyIsEnumerable;
- /***/ }),
- /* 12 */
- /***/ ((module) => {
- module.exports = function (bitmap, value) {
- return {
- enumerable: !(bitmap & 1),
- configurable: !(bitmap & 2),
- writable: !(bitmap & 4),
- value: value
- };
- };
- /***/ }),
- /* 13 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var IndexedObject = __w_pdfjs_require__(14);
- var requireObjectCoercible = __w_pdfjs_require__(16);
- module.exports = function (it) {
- return IndexedObject(requireObjectCoercible(it));
- };
- /***/ }),
- /* 14 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var fails = __w_pdfjs_require__(10);
- var classof = __w_pdfjs_require__(15);
- var split = ''.split;
- module.exports = fails(function () {
- return !Object('z').propertyIsEnumerable(0);
- }) ? function (it) {
- return classof(it) == 'String' ? split.call(it, '') : Object(it);
- } : Object;
- /***/ }),
- /* 15 */
- /***/ ((module) => {
- var toString = {}.toString;
- module.exports = function (it) {
- return toString.call(it).slice(8, -1);
- };
- /***/ }),
- /* 16 */
- /***/ ((module) => {
- module.exports = function (it) {
- if (it == undefined)
- throw TypeError("Can't call method on " + it);
- return it;
- };
- /***/ }),
- /* 17 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var toPrimitive = __w_pdfjs_require__(18);
- var isSymbol = __w_pdfjs_require__(20);
- module.exports = function (argument) {
- var key = toPrimitive(argument, 'string');
- return isSymbol(key) ? key : String(key);
- };
- /***/ }),
- /* 18 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var isObject = __w_pdfjs_require__(19);
- var isSymbol = __w_pdfjs_require__(20);
- var ordinaryToPrimitive = __w_pdfjs_require__(26);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var TO_PRIMITIVE = wellKnownSymbol('toPrimitive');
- module.exports = function (input, pref) {
- if (!isObject(input) || isSymbol(input))
- return input;
- var exoticToPrim = input[TO_PRIMITIVE];
- var result;
- if (exoticToPrim !== undefined) {
- if (pref === undefined)
- pref = 'default';
- result = exoticToPrim.call(input, pref);
- if (!isObject(result) || isSymbol(result))
- return result;
- throw TypeError("Can't convert object to primitive value");
- }
- if (pref === undefined)
- pref = 'number';
- return ordinaryToPrimitive(input, pref);
- };
- /***/ }),
- /* 19 */
- /***/ ((module) => {
- module.exports = function (it) {
- return typeof it === 'object' ? it !== null : typeof it === 'function';
- };
- /***/ }),
- /* 20 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var getBuiltIn = __w_pdfjs_require__(21);
- var USE_SYMBOL_AS_UID = __w_pdfjs_require__(22);
- module.exports = USE_SYMBOL_AS_UID ? function (it) {
- return typeof it == 'symbol';
- } : function (it) {
- var $Symbol = getBuiltIn('Symbol');
- return typeof $Symbol == 'function' && Object(it) instanceof $Symbol;
- };
- /***/ }),
- /* 21 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var aFunction = function (variable) {
- return typeof variable == 'function' ? variable : undefined;
- };
- module.exports = function (namespace, method) {
- return arguments.length < 2 ? aFunction(global[namespace]) : global[namespace] && global[namespace][method];
- };
- /***/ }),
- /* 22 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var NATIVE_SYMBOL = __w_pdfjs_require__(23);
- module.exports = NATIVE_SYMBOL && !Symbol.sham && typeof Symbol.iterator == 'symbol';
- /***/ }),
- /* 23 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var V8_VERSION = __w_pdfjs_require__(24);
- var fails = __w_pdfjs_require__(10);
- module.exports = !!Object.getOwnPropertySymbols && !fails(function () {
- var symbol = Symbol();
- return !String(symbol) || !(Object(symbol) instanceof Symbol) || !Symbol.sham && V8_VERSION && V8_VERSION < 41;
- });
- /***/ }),
- /* 24 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var userAgent = __w_pdfjs_require__(25);
- var process = global.process;
- var Deno = global.Deno;
- var versions = process && process.versions || Deno && Deno.version;
- var v8 = versions && versions.v8;
- var match, version;
- if (v8) {
- match = v8.split('.');
- version = match[0] < 4 ? 1 : match[0] + match[1];
- } else if (userAgent) {
- match = userAgent.match(/Edge\/(\d+)/);
- if (!match || match[1] >= 74) {
- match = userAgent.match(/Chrome\/(\d+)/);
- if (match)
- version = match[1];
- }
- }
- module.exports = version && +version;
- /***/ }),
- /* 25 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var getBuiltIn = __w_pdfjs_require__(21);
- module.exports = getBuiltIn('navigator', 'userAgent') || '';
- /***/ }),
- /* 26 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var isObject = __w_pdfjs_require__(19);
- module.exports = function (input, pref) {
- var fn, val;
- if (pref === 'string' && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
- return val;
- if (typeof (fn = input.valueOf) == 'function' && !isObject(val = fn.call(input)))
- return val;
- if (pref !== 'string' && typeof (fn = input.toString) == 'function' && !isObject(val = fn.call(input)))
- return val;
- throw TypeError("Can't convert object to primitive value");
- };
- /***/ }),
- /* 27 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var shared = __w_pdfjs_require__(28);
- var has = __w_pdfjs_require__(32);
- var uid = __w_pdfjs_require__(34);
- var NATIVE_SYMBOL = __w_pdfjs_require__(23);
- var USE_SYMBOL_AS_UID = __w_pdfjs_require__(22);
- var WellKnownSymbolsStore = shared('wks');
- var Symbol = global.Symbol;
- var createWellKnownSymbol = USE_SYMBOL_AS_UID ? Symbol : Symbol && Symbol.withoutSetter || uid;
- module.exports = function (name) {
- if (!has(WellKnownSymbolsStore, name) || !(NATIVE_SYMBOL || typeof WellKnownSymbolsStore[name] == 'string')) {
- if (NATIVE_SYMBOL && has(Symbol, name)) {
- WellKnownSymbolsStore[name] = Symbol[name];
- } else {
- WellKnownSymbolsStore[name] = createWellKnownSymbol('Symbol.' + name);
- }
- }
- return WellKnownSymbolsStore[name];
- };
- /***/ }),
- /* 28 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var IS_PURE = __w_pdfjs_require__(29);
- var store = __w_pdfjs_require__(30);
- (module.exports = function (key, value) {
- return store[key] || (store[key] = value !== undefined ? value : {});
- })('versions', []).push({
- version: '3.17.3',
- mode: IS_PURE ? 'pure' : 'global',
- copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
- });
- /***/ }),
- /* 29 */
- /***/ ((module) => {
- module.exports = false;
- /***/ }),
- /* 30 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var setGlobal = __w_pdfjs_require__(31);
- var SHARED = '__core-js_shared__';
- var store = global[SHARED] || setGlobal(SHARED, {});
- module.exports = store;
- /***/ }),
- /* 31 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- module.exports = function (key, value) {
- try {
- Object.defineProperty(global, key, {
- value: value,
- configurable: true,
- writable: true
- });
- } catch (error) {
- global[key] = value;
- }
- return value;
- };
- /***/ }),
- /* 32 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var toObject = __w_pdfjs_require__(33);
- var hasOwnProperty = {}.hasOwnProperty;
- module.exports = Object.hasOwn || function hasOwn(it, key) {
- return hasOwnProperty.call(toObject(it), key);
- };
- /***/ }),
- /* 33 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var requireObjectCoercible = __w_pdfjs_require__(16);
- module.exports = function (argument) {
- return Object(requireObjectCoercible(argument));
- };
- /***/ }),
- /* 34 */
- /***/ ((module) => {
- var id = 0;
- var postfix = Math.random();
- module.exports = function (key) {
- return 'Symbol(' + String(key === undefined ? '' : key) + ')_' + (++id + postfix).toString(36);
- };
- /***/ }),
- /* 35 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var DESCRIPTORS = __w_pdfjs_require__(9);
- var fails = __w_pdfjs_require__(10);
- var createElement = __w_pdfjs_require__(36);
- module.exports = !DESCRIPTORS && !fails(function () {
- return Object.defineProperty(createElement('div'), 'a', {
- get: function () {
- return 7;
- }
- }).a != 7;
- });
- /***/ }),
- /* 36 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var isObject = __w_pdfjs_require__(19);
- var document = global.document;
- var EXISTS = isObject(document) && isObject(document.createElement);
- module.exports = function (it) {
- return EXISTS ? document.createElement(it) : {};
- };
- /***/ }),
- /* 37 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var DESCRIPTORS = __w_pdfjs_require__(9);
- var definePropertyModule = __w_pdfjs_require__(38);
- var createPropertyDescriptor = __w_pdfjs_require__(12);
- module.exports = DESCRIPTORS ? function (object, key, value) {
- return definePropertyModule.f(object, key, createPropertyDescriptor(1, value));
- } : function (object, key, value) {
- object[key] = value;
- return object;
- };
- /***/ }),
- /* 38 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- var DESCRIPTORS = __w_pdfjs_require__(9);
- var IE8_DOM_DEFINE = __w_pdfjs_require__(35);
- var anObject = __w_pdfjs_require__(39);
- var toPropertyKey = __w_pdfjs_require__(17);
- var $defineProperty = Object.defineProperty;
- exports.f = DESCRIPTORS ? $defineProperty : function defineProperty(O, P, Attributes) {
- anObject(O);
- P = toPropertyKey(P);
- anObject(Attributes);
- if (IE8_DOM_DEFINE)
- try {
- return $defineProperty(O, P, Attributes);
- } catch (error) {
- }
- if ('get' in Attributes || 'set' in Attributes)
- throw TypeError('Accessors not supported');
- if ('value' in Attributes)
- O[P] = Attributes.value;
- return O;
- };
- /***/ }),
- /* 39 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var isObject = __w_pdfjs_require__(19);
- module.exports = function (it) {
- if (!isObject(it)) {
- throw TypeError(String(it) + ' is not an object');
- }
- return it;
- };
- /***/ }),
- /* 40 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var createNonEnumerableProperty = __w_pdfjs_require__(37);
- var has = __w_pdfjs_require__(32);
- var setGlobal = __w_pdfjs_require__(31);
- var inspectSource = __w_pdfjs_require__(41);
- var InternalStateModule = __w_pdfjs_require__(42);
- var getInternalState = InternalStateModule.get;
- var enforceInternalState = InternalStateModule.enforce;
- var TEMPLATE = String(String).split('String');
- (module.exports = function (O, key, value, options) {
- var unsafe = options ? !!options.unsafe : false;
- var simple = options ? !!options.enumerable : false;
- var noTargetGet = options ? !!options.noTargetGet : false;
- var state;
- if (typeof value == 'function') {
- if (typeof key == 'string' && !has(value, 'name')) {
- createNonEnumerableProperty(value, 'name', key);
- }
- state = enforceInternalState(value);
- if (!state.source) {
- state.source = TEMPLATE.join(typeof key == 'string' ? key : '');
- }
- }
- if (O === global) {
- if (simple)
- O[key] = value;
- else
- setGlobal(key, value);
- return;
- } else if (!unsafe) {
- delete O[key];
- } else if (!noTargetGet && O[key]) {
- simple = true;
- }
- if (simple)
- O[key] = value;
- else
- createNonEnumerableProperty(O, key, value);
- })(Function.prototype, 'toString', function toString() {
- return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
- });
- /***/ }),
- /* 41 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var store = __w_pdfjs_require__(30);
- var functionToString = Function.toString;
- if (typeof store.inspectSource != 'function') {
- store.inspectSource = function (it) {
- return functionToString.call(it);
- };
- }
- module.exports = store.inspectSource;
- /***/ }),
- /* 42 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var NATIVE_WEAK_MAP = __w_pdfjs_require__(43);
- var global = __w_pdfjs_require__(7);
- var isObject = __w_pdfjs_require__(19);
- var createNonEnumerableProperty = __w_pdfjs_require__(37);
- var objectHas = __w_pdfjs_require__(32);
- var shared = __w_pdfjs_require__(30);
- var sharedKey = __w_pdfjs_require__(44);
- var hiddenKeys = __w_pdfjs_require__(45);
- var OBJECT_ALREADY_INITIALIZED = 'Object already initialized';
- var WeakMap = global.WeakMap;
- var set, get, has;
- var enforce = function (it) {
- return has(it) ? get(it) : set(it, {});
- };
- var getterFor = function (TYPE) {
- return function (it) {
- var state;
- if (!isObject(it) || (state = get(it)).type !== TYPE) {
- throw TypeError('Incompatible receiver, ' + TYPE + ' required');
- }
- return state;
- };
- };
- if (NATIVE_WEAK_MAP || shared.state) {
- var store = shared.state || (shared.state = new WeakMap());
- var wmget = store.get;
- var wmhas = store.has;
- var wmset = store.set;
- set = function (it, metadata) {
- if (wmhas.call(store, it))
- throw new TypeError(OBJECT_ALREADY_INITIALIZED);
- metadata.facade = it;
- wmset.call(store, it, metadata);
- return metadata;
- };
- get = function (it) {
- return wmget.call(store, it) || {};
- };
- has = function (it) {
- return wmhas.call(store, it);
- };
- } else {
- var STATE = sharedKey('state');
- hiddenKeys[STATE] = true;
- set = function (it, metadata) {
- if (objectHas(it, STATE))
- throw new TypeError(OBJECT_ALREADY_INITIALIZED);
- metadata.facade = it;
- createNonEnumerableProperty(it, STATE, metadata);
- return metadata;
- };
- get = function (it) {
- return objectHas(it, STATE) ? it[STATE] : {};
- };
- has = function (it) {
- return objectHas(it, STATE);
- };
- }
- module.exports = {
- set: set,
- get: get,
- has: has,
- enforce: enforce,
- getterFor: getterFor
- };
- /***/ }),
- /* 43 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- var inspectSource = __w_pdfjs_require__(41);
- var WeakMap = global.WeakMap;
- module.exports = typeof WeakMap === 'function' && /native code/.test(inspectSource(WeakMap));
- /***/ }),
- /* 44 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var shared = __w_pdfjs_require__(28);
- var uid = __w_pdfjs_require__(34);
- var keys = shared('keys');
- module.exports = function (key) {
- return keys[key] || (keys[key] = uid(key));
- };
- /***/ }),
- /* 45 */
- /***/ ((module) => {
- module.exports = {};
- /***/ }),
- /* 46 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var has = __w_pdfjs_require__(32);
- var ownKeys = __w_pdfjs_require__(47);
- var getOwnPropertyDescriptorModule = __w_pdfjs_require__(8);
- var definePropertyModule = __w_pdfjs_require__(38);
- module.exports = function (target, source) {
- var keys = ownKeys(source);
- var defineProperty = definePropertyModule.f;
- var getOwnPropertyDescriptor = getOwnPropertyDescriptorModule.f;
- for (var i = 0; i < keys.length; i++) {
- var key = keys[i];
- if (!has(target, key))
- defineProperty(target, key, getOwnPropertyDescriptor(source, key));
- }
- };
- /***/ }),
- /* 47 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var getBuiltIn = __w_pdfjs_require__(21);
- var getOwnPropertyNamesModule = __w_pdfjs_require__(48);
- var getOwnPropertySymbolsModule = __w_pdfjs_require__(55);
- var anObject = __w_pdfjs_require__(39);
- module.exports = getBuiltIn('Reflect', 'ownKeys') || function ownKeys(it) {
- var keys = getOwnPropertyNamesModule.f(anObject(it));
- var getOwnPropertySymbols = getOwnPropertySymbolsModule.f;
- return getOwnPropertySymbols ? keys.concat(getOwnPropertySymbols(it)) : keys;
- };
- /***/ }),
- /* 48 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- var internalObjectKeys = __w_pdfjs_require__(49);
- var enumBugKeys = __w_pdfjs_require__(54);
- var hiddenKeys = enumBugKeys.concat('length', 'prototype');
- exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
- return internalObjectKeys(O, hiddenKeys);
- };
- /***/ }),
- /* 49 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var has = __w_pdfjs_require__(32);
- var toIndexedObject = __w_pdfjs_require__(13);
- var indexOf = __w_pdfjs_require__(50).indexOf;
- var hiddenKeys = __w_pdfjs_require__(45);
- module.exports = function (object, names) {
- var O = toIndexedObject(object);
- var i = 0;
- var result = [];
- var key;
- for (key in O)
- !has(hiddenKeys, key) && has(O, key) && result.push(key);
- while (names.length > i)
- if (has(O, key = names[i++])) {
- ~indexOf(result, key) || result.push(key);
- }
- return result;
- };
- /***/ }),
- /* 50 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var toIndexedObject = __w_pdfjs_require__(13);
- var toLength = __w_pdfjs_require__(51);
- var toAbsoluteIndex = __w_pdfjs_require__(53);
- var createMethod = function (IS_INCLUDES) {
- return function ($this, el, fromIndex) {
- var O = toIndexedObject($this);
- var length = toLength(O.length);
- var index = toAbsoluteIndex(fromIndex, length);
- var value;
- if (IS_INCLUDES && el != el)
- while (length > index) {
- value = O[index++];
- if (value != value)
- return true;
- }
- else
- for (; length > index; index++) {
- if ((IS_INCLUDES || index in O) && O[index] === el)
- return IS_INCLUDES || index || 0;
- }
- return !IS_INCLUDES && -1;
- };
- };
- module.exports = {
- includes: createMethod(true),
- indexOf: createMethod(false)
- };
- /***/ }),
- /* 51 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var toInteger = __w_pdfjs_require__(52);
- var min = Math.min;
- module.exports = function (argument) {
- return argument > 0 ? min(toInteger(argument), 0x1FFFFFFFFFFFFF) : 0;
- };
- /***/ }),
- /* 52 */
- /***/ ((module) => {
- var ceil = Math.ceil;
- var floor = Math.floor;
- module.exports = function (argument) {
- return isNaN(argument = +argument) ? 0 : (argument > 0 ? floor : ceil)(argument);
- };
- /***/ }),
- /* 53 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var toInteger = __w_pdfjs_require__(52);
- var max = Math.max;
- var min = Math.min;
- module.exports = function (index, length) {
- var integer = toInteger(index);
- return integer < 0 ? max(integer + length, 0) : min(integer, length);
- };
- /***/ }),
- /* 54 */
- /***/ ((module) => {
- module.exports = [
- 'constructor',
- 'hasOwnProperty',
- 'isPrototypeOf',
- 'propertyIsEnumerable',
- 'toLocaleString',
- 'toString',
- 'valueOf'
- ];
- /***/ }),
- /* 55 */
- /***/ ((__unused_webpack_module, exports) => {
- exports.f = Object.getOwnPropertySymbols;
- /***/ }),
- /* 56 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var fails = __w_pdfjs_require__(10);
- var replacement = /#|\.prototype\./;
- var isForced = function (feature, detection) {
- var value = data[normalize(feature)];
- return value == POLYFILL ? true : value == NATIVE ? false : typeof detection == 'function' ? fails(detection) : !!detection;
- };
- var normalize = isForced.normalize = function (string) {
- return String(string).replace(replacement, '.').toLowerCase();
- };
- var data = isForced.data = {};
- var NATIVE = isForced.NATIVE = 'N';
- var POLYFILL = isForced.POLYFILL = 'P';
- module.exports = isForced;
- /***/ }),
- /* 57 */
- /***/ ((module, exports, __w_pdfjs_require__) => {
- "use strict";
- var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- (function (global, factory) {
- ( false ? 0 : _typeof(exports)) === 'object' && "object" !== 'undefined' ? module.exports = factory() : true ? !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
- __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
- (__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __w_pdfjs_require__, exports, module)) :
- __WEBPACK_AMD_DEFINE_FACTORY__),
- __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)) : (0);
- })(void 0, function () {
- 'use strict';
- var CSSMatrix = function CSSMatrix() {
- var args = [],
- len = arguments.length;
- while (len--) {
- args[len] = arguments[len];
- }
- this.setIdentity();
- return args && args.length && this.setMatrixValue(args);
- };
- var prototypeAccessors = {
- isIdentity: {
- configurable: true
- },
- is2D: {
- configurable: true
- }
- };
- prototypeAccessors.isIdentity.get = function () {
- var m = this;
- return m.m11 === 1 && m.m12 === 0 && m.m13 === 0 && m.m14 === 0 && m.m21 === 0 && m.m22 === 1 && m.m23 === 0 && m.m24 === 0 && m.m31 === 0 && m.m32 === 0 && m.m33 === 1 && m.m34 === 0 && m.m41 === 0 && m.m42 === 0 && m.m43 === 0 && m.m44 === 1;
- };
- prototypeAccessors.isIdentity.set = function (value) {
- this.isIdentity = value;
- };
- prototypeAccessors.is2D.get = function () {
- var m = this;
- return m.m31 === 0 && m.m32 === 0 && m.m33 === 1 && m.m34 === 0 && m.m43 === 0 && m.m44 === 1;
- };
- prototypeAccessors.is2D.set = function (value) {
- this.is2D = value;
- };
- Object.defineProperties(CSSMatrix.prototype, prototypeAccessors);
- var CSSMatrixProto = CSSMatrix.prototype;
- function Translate(x, y, z) {
- var m = new CSSMatrix();
- m.m41 = x;
- m.e = x;
- m.m42 = y;
- m.f = y;
- m.m43 = z;
- return m;
- }
- function Rotate(rx, ry, rz) {
- var m = new CSSMatrix();
- var radX = rx * Math.PI / 180;
- var radY = ry * Math.PI / 180;
- var radZ = rz * Math.PI / 180;
- var cosx = Math.cos(radX);
- var sinx = -Math.sin(radX);
- var cosy = Math.cos(radY);
- var siny = -Math.sin(radY);
- var cosz = Math.cos(radZ);
- var sinz = -Math.sin(radZ);
- var cycz = cosy * cosz;
- var cysz = -cosy * sinz;
- m.m11 = cycz;
- m.a = cycz;
- m.m12 = cysz;
- m.b = cysz;
- m.m13 = siny;
- var sxsy = sinx * siny * cosz + cosx * sinz;
- m.m21 = sxsy;
- m.c = sxsy;
- var cxcz = cosx * cosz - sinx * siny * sinz;
- m.m22 = cxcz;
- m.d = cxcz;
- m.m23 = -sinx * cosy;
- m.m31 = sinx * sinz - cosx * siny * cosz;
- m.m32 = sinx * cosz + cosx * siny * sinz;
- m.m33 = cosx * cosy;
- return m;
- }
- function RotateAxisAngle(x, y, z, angle) {
- var m = new CSSMatrix();
- var radA = angle * Math.PI / 360;
- var sinA = Math.sin(radA);
- var cosA = Math.cos(radA);
- var sinA2 = sinA * sinA;
- var length = Math.sqrt(x * x + y * y + z * z);
- var X = 0;
- var Y = 0;
- var Z = 1;
- if (length !== 0) {
- X = x / length;
- Y = y / length;
- Z = z / length;
- }
- var x2 = X * X;
- var y2 = Y * Y;
- var z2 = Z * Z;
- var m11 = 1 - 2 * (y2 + z2) * sinA2;
- m.m11 = m11;
- m.a = m11;
- var m12 = 2 * (x * y * sinA2 + z * sinA * cosA);
- m.m12 = m12;
- m.b = m12;
- m.m13 = 2 * (x * z * sinA2 - y * sinA * cosA);
- var m21 = 2 * (y * x * sinA2 - z * sinA * cosA);
- m.m21 = m21;
- m.c = m21;
- var m22 = 1 - 2 * (z2 + x2) * sinA2;
- m.m22 = m22;
- m.d = m22;
- m.m23 = 2 * (y * z * sinA2 + x * sinA * cosA);
- m.m31 = 2 * (z * x * sinA2 + y * sinA * cosA);
- m.m32 = 2 * (z * y * sinA2 - x * sinA * cosA);
- m.m33 = 1 - 2 * (x2 + y2) * sinA2;
- m.m14 = 0;
- m.m24 = 0;
- m.m34 = 0;
- m.m41 = 0;
- m.e = 0;
- m.m42 = 0;
- m.f = 0;
- m.m43 = 0;
- m.m44 = 1;
- return m;
- }
- function Scale(x, y, z) {
- var m = new CSSMatrix();
- m.m11 = x;
- m.a = x;
- m.m22 = y;
- m.d = y;
- m.m33 = z;
- return m;
- }
- function SkewX(angle) {
- var radA = angle * Math.PI / 180;
- var m = new CSSMatrix();
- var t = Math.tan(radA);
- m.m21 = t;
- m.c = t;
- return m;
- }
- function SkewY(angle) {
- var radA = angle * Math.PI / 180;
- var m = new CSSMatrix();
- var t = Math.tan(radA);
- m.m12 = t;
- m.b = t;
- return m;
- }
- function Multiply(m1, m2) {
- var m11 = m2.m11 * m1.m11 + m2.m12 * m1.m21 + m2.m13 * m1.m31 + m2.m14 * m1.m41;
- var m12 = m2.m11 * m1.m12 + m2.m12 * m1.m22 + m2.m13 * m1.m32 + m2.m14 * m1.m42;
- var m13 = m2.m11 * m1.m13 + m2.m12 * m1.m23 + m2.m13 * m1.m33 + m2.m14 * m1.m43;
- var m14 = m2.m11 * m1.m14 + m2.m12 * m1.m24 + m2.m13 * m1.m34 + m2.m14 * m1.m44;
- var m21 = m2.m21 * m1.m11 + m2.m22 * m1.m21 + m2.m23 * m1.m31 + m2.m24 * m1.m41;
- var m22 = m2.m21 * m1.m12 + m2.m22 * m1.m22 + m2.m23 * m1.m32 + m2.m24 * m1.m42;
- var m23 = m2.m21 * m1.m13 + m2.m22 * m1.m23 + m2.m23 * m1.m33 + m2.m24 * m1.m43;
- var m24 = m2.m21 * m1.m14 + m2.m22 * m1.m24 + m2.m23 * m1.m34 + m2.m24 * m1.m44;
- var m31 = m2.m31 * m1.m11 + m2.m32 * m1.m21 + m2.m33 * m1.m31 + m2.m34 * m1.m41;
- var m32 = m2.m31 * m1.m12 + m2.m32 * m1.m22 + m2.m33 * m1.m32 + m2.m34 * m1.m42;
- var m33 = m2.m31 * m1.m13 + m2.m32 * m1.m23 + m2.m33 * m1.m33 + m2.m34 * m1.m43;
- var m34 = m2.m31 * m1.m14 + m2.m32 * m1.m24 + m2.m33 * m1.m34 + m2.m34 * m1.m44;
- var m41 = m2.m41 * m1.m11 + m2.m42 * m1.m21 + m2.m43 * m1.m31 + m2.m44 * m1.m41;
- var m42 = m2.m41 * m1.m12 + m2.m42 * m1.m22 + m2.m43 * m1.m32 + m2.m44 * m1.m42;
- var m43 = m2.m41 * m1.m13 + m2.m42 * m1.m23 + m2.m43 * m1.m33 + m2.m44 * m1.m43;
- var m44 = m2.m41 * m1.m14 + m2.m42 * m1.m24 + m2.m43 * m1.m34 + m2.m44 * m1.m44;
- return new CSSMatrix([m11, m21, m31, m41, m12, m22, m32, m42, m13, m23, m33, m43, m14, m24, m34, m44]);
- }
- function fromMatrix(m) {
- return new CSSMatrix([m.m11, m.m21, m.m31, m.m41, m.m12, m.m22, m.m32, m.m42, m.m13, m.m23, m.m33, m.m43, m.m14, m.m24, m.m34, m.m44]);
- }
- function feedFromArray(m, array) {
- var a = Array.from(array);
- if (a.length === 16) {
- var m11 = a[0];
- var m21 = a[1];
- var m31 = a[2];
- var m41 = a[3];
- var m12 = a[4];
- var m22 = a[5];
- var m32 = a[6];
- var m42 = a[7];
- var m13 = a[8];
- var m23 = a[9];
- var m33 = a[10];
- var m43 = a[11];
- var m14 = a[12];
- var m24 = a[13];
- var m34 = a[14];
- var m44 = a[15];
- m.m11 = m11;
- m.a = m11;
- m.m21 = m21;
- m.c = m21;
- m.m31 = m31;
- m.m41 = m41;
- m.e = m41;
- m.m12 = m12;
- m.b = m12;
- m.m22 = m22;
- m.d = m22;
- m.m32 = m32;
- m.m42 = m42;
- m.f = m42;
- m.m13 = m13;
- m.m23 = m23;
- m.m33 = m33;
- m.m43 = m43;
- m.m14 = m14;
- m.m24 = m24;
- m.m34 = m34;
- m.m44 = m44;
- } else if (a.length === 6) {
- var m11$1 = a[0];
- var m12$1 = a[1];
- var m21$1 = a[2];
- var m22$1 = a[3];
- var m14$1 = a[4];
- var m24$1 = a[5];
- m.m11 = m11$1;
- m.a = m11$1;
- m.m12 = m12$1;
- m.b = m12$1;
- m.m21 = m21$1;
- m.c = m21$1;
- m.m22 = m22$1;
- m.d = m22$1;
- m.m14 = m14$1;
- m.e = m14$1;
- m.m24 = m24$1;
- m.f = m24$1;
- } else {
- throw new TypeError('CSSMatrix: expecting a 6/16 values Array');
- }
- return m;
- }
- function fromArray(a) {
- return feedFromArray(new CSSMatrix(), a);
- }
- CSSMatrixProto.setMatrixValue = function setMatrixValue(source) {
- var m = this;
- if (!source || !source.length) {
- return m;
- }
- if (source.length && typeof source[0] === 'string' && source[0].length) {
- var string = String(source[0]).trim();
- var type = '';
- var values = [];
- if (string === 'none') {
- return m;
- }
- type = string.slice(0, string.indexOf('('));
- values = string.slice(type === 'matrix' ? 7 : 9, -1).split(',').map(function (n) {
- return Math.abs(n) < 1e-6 ? 0 : +n;
- });
- if ([6, 16].indexOf(values.length) > -1) {
- feedFromArray(m, values);
- } else {
- throw new TypeError('CSSMatrix: expecting valid CSS matrix() / matrix3d() syntax');
- }
- } else if (source[0] instanceof CSSMatrix) {
- feedFromArray(m, source[0].toArray());
- } else if (Array.isArray(source[0])) {
- feedFromArray(m, source[0]);
- } else if (Array.isArray(source)) {
- feedFromArray(m, source);
- }
- return m;
- };
- CSSMatrixProto.toString = function toString() {
- var m = this;
- var type = m.is2D ? 'matrix' : 'matrix3d';
- return type + "(" + m.toArray(1).join(',') + ")";
- };
- CSSMatrixProto.toArray = function toArray(transposed) {
- var m = this;
- var result;
- if (m.is2D) {
- result = [m.a, m.b, m.c, m.d, m.e, m.f];
- } else if (transposed) {
- result = [m.m11, m.m12, m.m13, m.m14, m.m21, m.m22, m.m23, m.m24, m.m31, m.m32, m.m33, m.m34, m.m41, m.m42, m.m43, m.m44];
- } else {
- result = [m.m11, m.m21, m.m31, m.m41, m.m12, m.m22, m.m32, m.m42, m.m13, m.m23, m.m33, m.m43, m.m14, m.m24, m.m34, m.m44];
- }
- return result;
- };
- CSSMatrixProto.multiply = function multiply(m2) {
- return Multiply(this, m2);
- };
- CSSMatrixProto.translate = function translate(x, y, z) {
- var X = x;
- var Y = y;
- var Z = z;
- if (Z == null) {
- Z = 0;
- }
- if (Y == null) {
- Y = 0;
- }
- return Multiply(this, Translate(X, Y, Z));
- };
- CSSMatrixProto.scale = function scale(x, y, z) {
- var X = x;
- var Y = y;
- var Z = z;
- if (Y == null) {
- Y = x;
- }
- if (Z == null) {
- Z = x;
- }
- return Multiply(this, Scale(X, Y, Z));
- };
- CSSMatrixProto.rotate = function rotate(rx, ry, rz) {
- var RX = rx;
- var RY = ry;
- var RZ = rz;
- if (RY == null) {
- RY = 0;
- }
- if (RZ == null) {
- RZ = RX;
- RX = 0;
- }
- return Multiply(this, Rotate(RX, RY, RZ));
- };
- CSSMatrixProto.rotateAxisAngle = function rotateAxisAngle(x, y, z, angle) {
- if (arguments.length !== 4) {
- throw new TypeError('CSSMatrix: expecting 4 values');
- }
- return Multiply(this, RotateAxisAngle(x, y, z, angle));
- };
- CSSMatrixProto.skewX = function skewX(angle) {
- return Multiply(this, SkewX(angle));
- };
- CSSMatrixProto.skewY = function skewY(angle) {
- return Multiply(this, SkewY(angle));
- };
- CSSMatrixProto.setIdentity = function setIdentity() {
- var identity = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1];
- return feedFromArray(this, identity);
- };
- CSSMatrixProto.transformPoint = function transformPoint(v) {
- var M = this;
- var m = Translate(v.x, v.y, v.z);
- m.m44 = v.w || 1;
- m = M.multiply(m);
- return {
- x: m.m41,
- y: m.m42,
- z: m.m43,
- w: m.m44
- };
- };
- CSSMatrixProto.transform = function transform(t) {
- var m = this;
- var x = m.m11 * t.x + m.m12 * t.y + m.m13 * t.z + m.m14 * t.w;
- var y = m.m21 * t.x + m.m22 * t.y + m.m23 * t.z + m.m24 * t.w;
- var z = m.m31 * t.x + m.m32 * t.y + m.m33 * t.z + m.m34 * t.w;
- var w = m.m41 * t.x + m.m42 * t.y + m.m43 * t.z + m.m44 * t.w;
- return {
- x: x / w,
- y: y / w,
- z: z / w,
- w: w
- };
- };
- CSSMatrix.Translate = Translate;
- CSSMatrix.Rotate = Rotate;
- CSSMatrix.RotateAxisAngle = RotateAxisAngle;
- CSSMatrix.Scale = Scale;
- CSSMatrix.SkewX = SkewX;
- CSSMatrix.SkewY = SkewY;
- CSSMatrix.Multiply = Multiply;
- CSSMatrix.fromMatrix = fromMatrix;
- CSSMatrix.fromArray = fromArray;
- CSSMatrix.feedFromArray = feedFromArray;
- return CSSMatrix;
- });
- /***/ }),
- /* 58 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- __w_pdfjs_require__(59);
- __w_pdfjs_require__(74);
- var path = __w_pdfjs_require__(85);
- module.exports = path.Object.fromEntries;
- /***/ }),
- /* 59 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var toIndexedObject = __w_pdfjs_require__(13);
- var addToUnscopables = __w_pdfjs_require__(60);
- var Iterators = __w_pdfjs_require__(65);
- var InternalStateModule = __w_pdfjs_require__(42);
- var defineIterator = __w_pdfjs_require__(66);
- var ARRAY_ITERATOR = 'Array Iterator';
- var setInternalState = InternalStateModule.set;
- var getInternalState = InternalStateModule.getterFor(ARRAY_ITERATOR);
- module.exports = defineIterator(Array, 'Array', function (iterated, kind) {
- setInternalState(this, {
- type: ARRAY_ITERATOR,
- target: toIndexedObject(iterated),
- index: 0,
- kind: kind
- });
- }, function () {
- var state = getInternalState(this);
- var target = state.target;
- var kind = state.kind;
- var index = state.index++;
- if (!target || index >= target.length) {
- state.target = undefined;
- return {
- value: undefined,
- done: true
- };
- }
- if (kind == 'keys')
- return {
- value: index,
- done: false
- };
- if (kind == 'values')
- return {
- value: target[index],
- done: false
- };
- return {
- value: [
- index,
- target[index]
- ],
- done: false
- };
- }, 'values');
- Iterators.Arguments = Iterators.Array;
- addToUnscopables('keys');
- addToUnscopables('values');
- addToUnscopables('entries');
- /***/ }),
- /* 60 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var create = __w_pdfjs_require__(61);
- var definePropertyModule = __w_pdfjs_require__(38);
- var UNSCOPABLES = wellKnownSymbol('unscopables');
- var ArrayPrototype = Array.prototype;
- if (ArrayPrototype[UNSCOPABLES] == undefined) {
- definePropertyModule.f(ArrayPrototype, UNSCOPABLES, {
- configurable: true,
- value: create(null)
- });
- }
- module.exports = function (key) {
- ArrayPrototype[UNSCOPABLES][key] = true;
- };
- /***/ }),
- /* 61 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var anObject = __w_pdfjs_require__(39);
- var defineProperties = __w_pdfjs_require__(62);
- var enumBugKeys = __w_pdfjs_require__(54);
- var hiddenKeys = __w_pdfjs_require__(45);
- var html = __w_pdfjs_require__(64);
- var documentCreateElement = __w_pdfjs_require__(36);
- var sharedKey = __w_pdfjs_require__(44);
- var GT = '>';
- var LT = '<';
- var PROTOTYPE = 'prototype';
- var SCRIPT = 'script';
- var IE_PROTO = sharedKey('IE_PROTO');
- var EmptyConstructor = function () {
- };
- var scriptTag = function (content) {
- return LT + SCRIPT + GT + content + LT + '/' + SCRIPT + GT;
- };
- var NullProtoObjectViaActiveX = function (activeXDocument) {
- activeXDocument.write(scriptTag(''));
- activeXDocument.close();
- var temp = activeXDocument.parentWindow.Object;
- activeXDocument = null;
- return temp;
- };
- var NullProtoObjectViaIFrame = function () {
- var iframe = documentCreateElement('iframe');
- var JS = 'java' + SCRIPT + ':';
- var iframeDocument;
- iframe.style.display = 'none';
- html.appendChild(iframe);
- iframe.src = String(JS);
- iframeDocument = iframe.contentWindow.document;
- iframeDocument.open();
- iframeDocument.write(scriptTag('document.F=Object'));
- iframeDocument.close();
- return iframeDocument.F;
- };
- var activeXDocument;
- var NullProtoObject = function () {
- try {
- activeXDocument = new ActiveXObject('htmlfile');
- } catch (error) {
- }
- NullProtoObject = typeof document != 'undefined' ? document.domain && activeXDocument ? NullProtoObjectViaActiveX(activeXDocument) : NullProtoObjectViaIFrame() : NullProtoObjectViaActiveX(activeXDocument);
- var length = enumBugKeys.length;
- while (length--)
- delete NullProtoObject[PROTOTYPE][enumBugKeys[length]];
- return NullProtoObject();
- };
- hiddenKeys[IE_PROTO] = true;
- module.exports = Object.create || function create(O, Properties) {
- var result;
- if (O !== null) {
- EmptyConstructor[PROTOTYPE] = anObject(O);
- result = new EmptyConstructor();
- EmptyConstructor[PROTOTYPE] = null;
- result[IE_PROTO] = O;
- } else
- result = NullProtoObject();
- return Properties === undefined ? result : defineProperties(result, Properties);
- };
- /***/ }),
- /* 62 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var DESCRIPTORS = __w_pdfjs_require__(9);
- var definePropertyModule = __w_pdfjs_require__(38);
- var anObject = __w_pdfjs_require__(39);
- var objectKeys = __w_pdfjs_require__(63);
- module.exports = DESCRIPTORS ? Object.defineProperties : function defineProperties(O, Properties) {
- anObject(O);
- var keys = objectKeys(Properties);
- var length = keys.length;
- var index = 0;
- var key;
- while (length > index)
- definePropertyModule.f(O, key = keys[index++], Properties[key]);
- return O;
- };
- /***/ }),
- /* 63 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var internalObjectKeys = __w_pdfjs_require__(49);
- var enumBugKeys = __w_pdfjs_require__(54);
- module.exports = Object.keys || function keys(O) {
- return internalObjectKeys(O, enumBugKeys);
- };
- /***/ }),
- /* 64 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var getBuiltIn = __w_pdfjs_require__(21);
- module.exports = getBuiltIn('document', 'documentElement');
- /***/ }),
- /* 65 */
- /***/ ((module) => {
- module.exports = {};
- /***/ }),
- /* 66 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var $ = __w_pdfjs_require__(6);
- var createIteratorConstructor = __w_pdfjs_require__(67);
- var getPrototypeOf = __w_pdfjs_require__(69);
- var setPrototypeOf = __w_pdfjs_require__(72);
- var setToStringTag = __w_pdfjs_require__(71);
- var createNonEnumerableProperty = __w_pdfjs_require__(37);
- var redefine = __w_pdfjs_require__(40);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var IS_PURE = __w_pdfjs_require__(29);
- var Iterators = __w_pdfjs_require__(65);
- var IteratorsCore = __w_pdfjs_require__(68);
- var IteratorPrototype = IteratorsCore.IteratorPrototype;
- var BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;
- var ITERATOR = wellKnownSymbol('iterator');
- var KEYS = 'keys';
- var VALUES = 'values';
- var ENTRIES = 'entries';
- var returnThis = function () {
- return this;
- };
- module.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {
- createIteratorConstructor(IteratorConstructor, NAME, next);
- var getIterationMethod = function (KIND) {
- if (KIND === DEFAULT && defaultIterator)
- return defaultIterator;
- if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype)
- return IterablePrototype[KIND];
- switch (KIND) {
- case KEYS:
- return function keys() {
- return new IteratorConstructor(this, KIND);
- };
- case VALUES:
- return function values() {
- return new IteratorConstructor(this, KIND);
- };
- case ENTRIES:
- return function entries() {
- return new IteratorConstructor(this, KIND);
- };
- }
- return function () {
- return new IteratorConstructor(this);
- };
- };
- var TO_STRING_TAG = NAME + ' Iterator';
- var INCORRECT_VALUES_NAME = false;
- var IterablePrototype = Iterable.prototype;
- var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];
- var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);
- var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;
- var CurrentIteratorPrototype, methods, KEY;
- if (anyNativeIterator) {
- CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));
- if (CurrentIteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {
- if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {
- if (setPrototypeOf) {
- setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);
- } else if (typeof CurrentIteratorPrototype[ITERATOR] != 'function') {
- createNonEnumerableProperty(CurrentIteratorPrototype, ITERATOR, returnThis);
- }
- }
- setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);
- if (IS_PURE)
- Iterators[TO_STRING_TAG] = returnThis;
- }
- }
- if (DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {
- INCORRECT_VALUES_NAME = true;
- defaultIterator = function values() {
- return nativeIterator.call(this);
- };
- }
- if ((!IS_PURE || FORCED) && IterablePrototype[ITERATOR] !== defaultIterator) {
- createNonEnumerableProperty(IterablePrototype, ITERATOR, defaultIterator);
- }
- Iterators[NAME] = defaultIterator;
- if (DEFAULT) {
- methods = {
- values: getIterationMethod(VALUES),
- keys: IS_SET ? defaultIterator : getIterationMethod(KEYS),
- entries: getIterationMethod(ENTRIES)
- };
- if (FORCED)
- for (KEY in methods) {
- if (BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME || !(KEY in IterablePrototype)) {
- redefine(IterablePrototype, KEY, methods[KEY]);
- }
- }
- else
- $({
- target: NAME,
- proto: true,
- forced: BUGGY_SAFARI_ITERATORS || INCORRECT_VALUES_NAME
- }, methods);
- }
- return methods;
- };
- /***/ }),
- /* 67 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var IteratorPrototype = __w_pdfjs_require__(68).IteratorPrototype;
- var create = __w_pdfjs_require__(61);
- var createPropertyDescriptor = __w_pdfjs_require__(12);
- var setToStringTag = __w_pdfjs_require__(71);
- var Iterators = __w_pdfjs_require__(65);
- var returnThis = function () {
- return this;
- };
- module.exports = function (IteratorConstructor, NAME, next) {
- var TO_STRING_TAG = NAME + ' Iterator';
- IteratorConstructor.prototype = create(IteratorPrototype, { next: createPropertyDescriptor(1, next) });
- setToStringTag(IteratorConstructor, TO_STRING_TAG, false, true);
- Iterators[TO_STRING_TAG] = returnThis;
- return IteratorConstructor;
- };
- /***/ }),
- /* 68 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var fails = __w_pdfjs_require__(10);
- var create = __w_pdfjs_require__(61);
- var getPrototypeOf = __w_pdfjs_require__(69);
- var createNonEnumerableProperty = __w_pdfjs_require__(37);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var IS_PURE = __w_pdfjs_require__(29);
- var ITERATOR = wellKnownSymbol('iterator');
- var BUGGY_SAFARI_ITERATORS = false;
- var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator;
- if ([].keys) {
- arrayIterator = [].keys();
- if (!('next' in arrayIterator))
- BUGGY_SAFARI_ITERATORS = true;
- else {
- PrototypeOfArrayIteratorPrototype = getPrototypeOf(getPrototypeOf(arrayIterator));
- if (PrototypeOfArrayIteratorPrototype !== Object.prototype)
- IteratorPrototype = PrototypeOfArrayIteratorPrototype;
- }
- }
- var NEW_ITERATOR_PROTOTYPE = IteratorPrototype == undefined || fails(function () {
- var test = {};
- return IteratorPrototype[ITERATOR].call(test) !== test;
- });
- if (NEW_ITERATOR_PROTOTYPE)
- IteratorPrototype = {};
- else if (IS_PURE)
- IteratorPrototype = create(IteratorPrototype);
- if (typeof IteratorPrototype[ITERATOR] !== 'function') {
- createNonEnumerableProperty(IteratorPrototype, ITERATOR, function () {
- return this;
- });
- }
- module.exports = {
- IteratorPrototype: IteratorPrototype,
- BUGGY_SAFARI_ITERATORS: BUGGY_SAFARI_ITERATORS
- };
- /***/ }),
- /* 69 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var has = __w_pdfjs_require__(32);
- var toObject = __w_pdfjs_require__(33);
- var sharedKey = __w_pdfjs_require__(44);
- var CORRECT_PROTOTYPE_GETTER = __w_pdfjs_require__(70);
- var IE_PROTO = sharedKey('IE_PROTO');
- var ObjectPrototype = Object.prototype;
- module.exports = CORRECT_PROTOTYPE_GETTER ? Object.getPrototypeOf : function (O) {
- O = toObject(O);
- if (has(O, IE_PROTO))
- return O[IE_PROTO];
- if (typeof O.constructor == 'function' && O instanceof O.constructor) {
- return O.constructor.prototype;
- }
- return O instanceof Object ? ObjectPrototype : null;
- };
- /***/ }),
- /* 70 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var fails = __w_pdfjs_require__(10);
- module.exports = !fails(function () {
- function F() {
- }
- F.prototype.constructor = null;
- return Object.getPrototypeOf(new F()) !== F.prototype;
- });
- /***/ }),
- /* 71 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var defineProperty = __w_pdfjs_require__(38).f;
- var has = __w_pdfjs_require__(32);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var TO_STRING_TAG = wellKnownSymbol('toStringTag');
- module.exports = function (it, TAG, STATIC) {
- if (it && !has(it = STATIC ? it : it.prototype, TO_STRING_TAG)) {
- defineProperty(it, TO_STRING_TAG, {
- configurable: true,
- value: TAG
- });
- }
- };
- /***/ }),
- /* 72 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var anObject = __w_pdfjs_require__(39);
- var aPossiblePrototype = __w_pdfjs_require__(73);
- module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
- var CORRECT_SETTER = false;
- var test = {};
- var setter;
- try {
- setter = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;
- setter.call(test, []);
- CORRECT_SETTER = test instanceof Array;
- } catch (error) {
- }
- return function setPrototypeOf(O, proto) {
- anObject(O);
- aPossiblePrototype(proto);
- if (CORRECT_SETTER)
- setter.call(O, proto);
- else
- O.__proto__ = proto;
- return O;
- };
- }() : undefined);
- /***/ }),
- /* 73 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var isObject = __w_pdfjs_require__(19);
- module.exports = function (it) {
- if (!isObject(it) && it !== null) {
- throw TypeError("Can't set " + String(it) + ' as a prototype');
- }
- return it;
- };
- /***/ }),
- /* 74 */
- /***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var $ = __w_pdfjs_require__(6);
- var iterate = __w_pdfjs_require__(75);
- var createProperty = __w_pdfjs_require__(84);
- $({
- target: 'Object',
- stat: true
- }, {
- fromEntries: function fromEntries(iterable) {
- var obj = {};
- iterate(iterable, function (k, v) {
- createProperty(obj, k, v);
- }, { AS_ENTRIES: true });
- return obj;
- }
- });
- /***/ }),
- /* 75 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var anObject = __w_pdfjs_require__(39);
- var isArrayIteratorMethod = __w_pdfjs_require__(76);
- var toLength = __w_pdfjs_require__(51);
- var bind = __w_pdfjs_require__(77);
- var getIterator = __w_pdfjs_require__(79);
- var getIteratorMethod = __w_pdfjs_require__(80);
- var iteratorClose = __w_pdfjs_require__(83);
- var Result = function (stopped, result) {
- this.stopped = stopped;
- this.result = result;
- };
- module.exports = function (iterable, unboundFunction, options) {
- var that = options && options.that;
- var AS_ENTRIES = !!(options && options.AS_ENTRIES);
- var IS_ITERATOR = !!(options && options.IS_ITERATOR);
- var INTERRUPTED = !!(options && options.INTERRUPTED);
- var fn = bind(unboundFunction, that, 1 + AS_ENTRIES + INTERRUPTED);
- var iterator, iterFn, index, length, result, next, step;
- var stop = function (condition) {
- if (iterator)
- iteratorClose(iterator, 'normal', condition);
- return new Result(true, condition);
- };
- var callFn = function (value) {
- if (AS_ENTRIES) {
- anObject(value);
- return INTERRUPTED ? fn(value[0], value[1], stop) : fn(value[0], value[1]);
- }
- return INTERRUPTED ? fn(value, stop) : fn(value);
- };
- if (IS_ITERATOR) {
- iterator = iterable;
- } else {
- iterFn = getIteratorMethod(iterable);
- if (typeof iterFn != 'function')
- throw TypeError('Target is not iterable');
- if (isArrayIteratorMethod(iterFn)) {
- for (index = 0, length = toLength(iterable.length); length > index; index++) {
- result = callFn(iterable[index]);
- if (result && result instanceof Result)
- return result;
- }
- return new Result(false);
- }
- iterator = getIterator(iterable, iterFn);
- }
- next = iterator.next;
- while (!(step = next.call(iterator)).done) {
- try {
- result = callFn(step.value);
- } catch (error) {
- iteratorClose(iterator, 'throw', error);
- }
- if (typeof result == 'object' && result && result instanceof Result)
- return result;
- }
- return new Result(false);
- };
- /***/ }),
- /* 76 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var Iterators = __w_pdfjs_require__(65);
- var ITERATOR = wellKnownSymbol('iterator');
- var ArrayPrototype = Array.prototype;
- module.exports = function (it) {
- return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
- };
- /***/ }),
- /* 77 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var aFunction = __w_pdfjs_require__(78);
- module.exports = function (fn, that, length) {
- aFunction(fn);
- if (that === undefined)
- return fn;
- switch (length) {
- case 0:
- return function () {
- return fn.call(that);
- };
- case 1:
- return function (a) {
- return fn.call(that, a);
- };
- case 2:
- return function (a, b) {
- return fn.call(that, a, b);
- };
- case 3:
- return function (a, b, c) {
- return fn.call(that, a, b, c);
- };
- }
- return function () {
- return fn.apply(that, arguments);
- };
- };
- /***/ }),
- /* 78 */
- /***/ ((module) => {
- module.exports = function (it) {
- if (typeof it != 'function') {
- throw TypeError(String(it) + ' is not a function');
- }
- return it;
- };
- /***/ }),
- /* 79 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var anObject = __w_pdfjs_require__(39);
- var getIteratorMethod = __w_pdfjs_require__(80);
- module.exports = function (it, usingIterator) {
- var iteratorMethod = arguments.length < 2 ? getIteratorMethod(it) : usingIterator;
- if (typeof iteratorMethod != 'function') {
- throw TypeError(String(it) + ' is not iterable');
- }
- return anObject(iteratorMethod.call(it));
- };
- /***/ }),
- /* 80 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var classof = __w_pdfjs_require__(81);
- var Iterators = __w_pdfjs_require__(65);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var ITERATOR = wellKnownSymbol('iterator');
- module.exports = function (it) {
- if (it != undefined)
- return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
- };
- /***/ }),
- /* 81 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var TO_STRING_TAG_SUPPORT = __w_pdfjs_require__(82);
- var classofRaw = __w_pdfjs_require__(15);
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var TO_STRING_TAG = wellKnownSymbol('toStringTag');
- var CORRECT_ARGUMENTS = classofRaw(function () {
- return arguments;
- }()) == 'Arguments';
- var tryGet = function (it, key) {
- try {
- return it[key];
- } catch (error) {
- }
- };
- module.exports = TO_STRING_TAG_SUPPORT ? classofRaw : function (it) {
- var O, tag, result;
- return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (tag = tryGet(O = Object(it), TO_STRING_TAG)) == 'string' ? tag : CORRECT_ARGUMENTS ? classofRaw(O) : (result = classofRaw(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : result;
- };
- /***/ }),
- /* 82 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var wellKnownSymbol = __w_pdfjs_require__(27);
- var TO_STRING_TAG = wellKnownSymbol('toStringTag');
- var test = {};
- test[TO_STRING_TAG] = 'z';
- module.exports = String(test) === '[object z]';
- /***/ }),
- /* 83 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var anObject = __w_pdfjs_require__(39);
- module.exports = function (iterator, kind, value) {
- var innerResult, innerError;
- anObject(iterator);
- try {
- innerResult = iterator['return'];
- if (innerResult === undefined) {
- if (kind === 'throw')
- throw value;
- return value;
- }
- innerResult = innerResult.call(iterator);
- } catch (error) {
- innerError = true;
- innerResult = error;
- }
- if (kind === 'throw')
- throw value;
- if (innerError)
- throw innerResult;
- anObject(innerResult);
- return value;
- };
- /***/ }),
- /* 84 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- var toPropertyKey = __w_pdfjs_require__(17);
- var definePropertyModule = __w_pdfjs_require__(38);
- var createPropertyDescriptor = __w_pdfjs_require__(12);
- module.exports = function (object, key, value) {
- var propertyKey = toPropertyKey(key);
- if (propertyKey in object)
- definePropertyModule.f(object, propertyKey, createPropertyDescriptor(0, value));
- else
- object[propertyKey] = value;
- };
- /***/ }),
- /* 85 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- var global = __w_pdfjs_require__(7);
- module.exports = global;
- /***/ }),
- /* 86 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.Jbig2Image = void 0;
- var _util = __w_pdfjs_require__(1);
- var _core_utils = __w_pdfjs_require__(87);
- var _arithmetic_decoder = __w_pdfjs_require__(92);
- var _ccitt = __w_pdfjs_require__(93);
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
- function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
- function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- var Jbig2Error = /*#__PURE__*/function (_BaseException) {
- _inherits(Jbig2Error, _BaseException);
- var _super = _createSuper(Jbig2Error);
- function Jbig2Error(msg) {
- _classCallCheck(this, Jbig2Error);
- return _super.call(this, "JBIG2 error: ".concat(msg), "Jbig2Error");
- }
- return Jbig2Error;
- }(_util.BaseException);
- var ContextCache = /*#__PURE__*/function () {
- function ContextCache() {
- _classCallCheck(this, ContextCache);
- }
- _createClass(ContextCache, [{
- key: "getContexts",
- value: function getContexts(id) {
- if (id in this) {
- return this[id];
- }
- return this[id] = new Int8Array(1 << 16);
- }
- }]);
- return ContextCache;
- }();
- var DecodingContext = /*#__PURE__*/function () {
- function DecodingContext(data, start, end) {
- _classCallCheck(this, DecodingContext);
- this.data = data;
- this.start = start;
- this.end = end;
- }
- _createClass(DecodingContext, [{
- key: "decoder",
- get: function get() {
- var decoder = new _arithmetic_decoder.ArithmeticDecoder(this.data, this.start, this.end);
- return (0, _util.shadow)(this, "decoder", decoder);
- }
- }, {
- key: "contextCache",
- get: function get() {
- var cache = new ContextCache();
- return (0, _util.shadow)(this, "contextCache", cache);
- }
- }]);
- return DecodingContext;
- }();
- function decodeInteger(contextCache, procedure, decoder) {
- var contexts = contextCache.getContexts(procedure);
- var prev = 1;
- function readBits(length) {
- var v = 0;
- for (var i = 0; i < length; i++) {
- var bit = decoder.readBit(contexts, prev);
- prev = prev < 256 ? prev << 1 | bit : (prev << 1 | bit) & 511 | 256;
- v = v << 1 | bit;
- }
- return v >>> 0;
- }
- var sign = readBits(1);
- var value = readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(1) ? readBits(32) + 4436 : readBits(12) + 340 : readBits(8) + 84 : readBits(6) + 20 : readBits(4) + 4 : readBits(2);
- if (sign === 0) {
- return value;
- } else if (value > 0) {
- return -value;
- }
- return null;
- }
- function decodeIAID(contextCache, decoder, codeLength) {
- var contexts = contextCache.getContexts("IAID");
- var prev = 1;
- for (var i = 0; i < codeLength; i++) {
- var bit = decoder.readBit(contexts, prev);
- prev = prev << 1 | bit;
- }
- if (codeLength < 31) {
- return prev & (1 << codeLength) - 1;
- }
- return prev & 0x7fffffff;
- }
- var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "PatternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
- var CodingTemplates = [[{
- x: -1,
- y: -2
- }, {
- x: 0,
- y: -2
- }, {
- x: 1,
- y: -2
- }, {
- x: -2,
- y: -1
- }, {
- x: -1,
- y: -1
- }, {
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: 2,
- y: -1
- }, {
- x: -4,
- y: 0
- }, {
- x: -3,
- y: 0
- }, {
- x: -2,
- y: 0
- }, {
- x: -1,
- y: 0
- }], [{
- x: -1,
- y: -2
- }, {
- x: 0,
- y: -2
- }, {
- x: 1,
- y: -2
- }, {
- x: 2,
- y: -2
- }, {
- x: -2,
- y: -1
- }, {
- x: -1,
- y: -1
- }, {
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: 2,
- y: -1
- }, {
- x: -3,
- y: 0
- }, {
- x: -2,
- y: 0
- }, {
- x: -1,
- y: 0
- }], [{
- x: -1,
- y: -2
- }, {
- x: 0,
- y: -2
- }, {
- x: 1,
- y: -2
- }, {
- x: -2,
- y: -1
- }, {
- x: -1,
- y: -1
- }, {
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: -2,
- y: 0
- }, {
- x: -1,
- y: 0
- }], [{
- x: -3,
- y: -1
- }, {
- x: -2,
- y: -1
- }, {
- x: -1,
- y: -1
- }, {
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: -4,
- y: 0
- }, {
- x: -3,
- y: 0
- }, {
- x: -2,
- y: 0
- }, {
- x: -1,
- y: 0
- }]];
- var RefinementTemplates = [{
- coding: [{
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: -1,
- y: 0
- }],
- reference: [{
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: -1,
- y: 0
- }, {
- x: 0,
- y: 0
- }, {
- x: 1,
- y: 0
- }, {
- x: -1,
- y: 1
- }, {
- x: 0,
- y: 1
- }, {
- x: 1,
- y: 1
- }]
- }, {
- coding: [{
- x: -1,
- y: -1
- }, {
- x: 0,
- y: -1
- }, {
- x: 1,
- y: -1
- }, {
- x: -1,
- y: 0
- }],
- reference: [{
- x: 0,
- y: -1
- }, {
- x: -1,
- y: 0
- }, {
- x: 0,
- y: 0
- }, {
- x: 1,
- y: 0
- }, {
- x: 0,
- y: 1
- }, {
- x: 1,
- y: 1
- }]
- }];
- var ReusedContexts = [0x9b25, 0x0795, 0x00e5, 0x0195];
- var RefinementReusedContexts = [0x0020, 0x0008];
- function decodeBitmapTemplate0(width, height, decodingContext) {
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts("GB");
- var bitmap = [];
- var contextLabel, i, j, pixel, row, row1, row2;
- var OLD_PIXEL_MASK = 0x7bf7;
- for (i = 0; i < height; i++) {
- row = bitmap[i] = new Uint8Array(width);
- row1 = i < 1 ? row : bitmap[i - 1];
- row2 = i < 2 ? row : bitmap[i - 2];
- contextLabel = row2[0] << 13 | row2[1] << 12 | row2[2] << 11 | row1[0] << 7 | row1[1] << 6 | row1[2] << 5 | row1[3] << 4;
- for (j = 0; j < width; j++) {
- row[j] = pixel = decoder.readBit(contexts, contextLabel);
- contextLabel = (contextLabel & OLD_PIXEL_MASK) << 1 | (j + 3 < width ? row2[j + 3] << 11 : 0) | (j + 4 < width ? row1[j + 4] << 4 : 0) | pixel;
- }
- }
- return bitmap;
- }
- function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at, decodingContext) {
- if (mmr) {
- var input = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
- return decodeMMRBitmap(input, width, height, false);
- }
- if (templateIndex === 0 && !skip && !prediction && at.length === 4 && at[0].x === 3 && at[0].y === -1 && at[1].x === -3 && at[1].y === -1 && at[2].x === 2 && at[2].y === -2 && at[3].x === -2 && at[3].y === -2) {
- return decodeBitmapTemplate0(width, height, decodingContext);
- }
- var useskip = !!skip;
- var template = CodingTemplates[templateIndex].concat(at);
- template.sort(function (a, b) {
- return a.y - b.y || a.x - b.x;
- });
- var templateLength = template.length;
- var templateX = new Int8Array(templateLength);
- var templateY = new Int8Array(templateLength);
- var changingTemplateEntries = [];
- var reuseMask = 0,
- minX = 0,
- maxX = 0,
- minY = 0;
- var c, k;
- for (k = 0; k < templateLength; k++) {
- templateX[k] = template[k].x;
- templateY[k] = template[k].y;
- minX = Math.min(minX, template[k].x);
- maxX = Math.max(maxX, template[k].x);
- minY = Math.min(minY, template[k].y);
- if (k < templateLength - 1 && template[k].y === template[k + 1].y && template[k].x === template[k + 1].x - 1) {
- reuseMask |= 1 << templateLength - 1 - k;
- } else {
- changingTemplateEntries.push(k);
- }
- }
- var changingEntriesLength = changingTemplateEntries.length;
- var changingTemplateX = new Int8Array(changingEntriesLength);
- var changingTemplateY = new Int8Array(changingEntriesLength);
- var changingTemplateBit = new Uint16Array(changingEntriesLength);
- for (c = 0; c < changingEntriesLength; c++) {
- k = changingTemplateEntries[c];
- changingTemplateX[c] = template[k].x;
- changingTemplateY[c] = template[k].y;
- changingTemplateBit[c] = 1 << templateLength - 1 - k;
- }
- var sbb_left = -minX;
- var sbb_top = -minY;
- var sbb_right = width - maxX;
- var pseudoPixelContext = ReusedContexts[templateIndex];
- var row = new Uint8Array(width);
- var bitmap = [];
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts("GB");
- var ltp = 0,
- j,
- i0,
- j0,
- contextLabel = 0,
- bit,
- shift;
- for (var i = 0; i < height; i++) {
- if (prediction) {
- var sltp = decoder.readBit(contexts, pseudoPixelContext);
- ltp ^= sltp;
- if (ltp) {
- bitmap.push(row);
- continue;
- }
- }
- row = new Uint8Array(row);
- bitmap.push(row);
- for (j = 0; j < width; j++) {
- if (useskip && skip[i][j]) {
- row[j] = 0;
- continue;
- }
- if (j >= sbb_left && j < sbb_right && i >= sbb_top) {
- contextLabel = contextLabel << 1 & reuseMask;
- for (k = 0; k < changingEntriesLength; k++) {
- i0 = i + changingTemplateY[k];
- j0 = j + changingTemplateX[k];
- bit = bitmap[i0][j0];
- if (bit) {
- bit = changingTemplateBit[k];
- contextLabel |= bit;
- }
- }
- } else {
- contextLabel = 0;
- shift = templateLength - 1;
- for (k = 0; k < templateLength; k++, shift--) {
- j0 = j + templateX[k];
- if (j0 >= 0 && j0 < width) {
- i0 = i + templateY[k];
- if (i0 >= 0) {
- bit = bitmap[i0][j0];
- if (bit) {
- contextLabel |= bit << shift;
- }
- }
- }
- }
- }
- var pixel = decoder.readBit(contexts, contextLabel);
- row[j] = pixel;
- }
- }
- return bitmap;
- }
- function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
- var codingTemplate = RefinementTemplates[templateIndex].coding;
- if (templateIndex === 0) {
- codingTemplate = codingTemplate.concat([at[0]]);
- }
- var codingTemplateLength = codingTemplate.length;
- var codingTemplateX = new Int32Array(codingTemplateLength);
- var codingTemplateY = new Int32Array(codingTemplateLength);
- var k;
- for (k = 0; k < codingTemplateLength; k++) {
- codingTemplateX[k] = codingTemplate[k].x;
- codingTemplateY[k] = codingTemplate[k].y;
- }
- var referenceTemplate = RefinementTemplates[templateIndex].reference;
- if (templateIndex === 0) {
- referenceTemplate = referenceTemplate.concat([at[1]]);
- }
- var referenceTemplateLength = referenceTemplate.length;
- var referenceTemplateX = new Int32Array(referenceTemplateLength);
- var referenceTemplateY = new Int32Array(referenceTemplateLength);
- for (k = 0; k < referenceTemplateLength; k++) {
- referenceTemplateX[k] = referenceTemplate[k].x;
- referenceTemplateY[k] = referenceTemplate[k].y;
- }
- var referenceWidth = referenceBitmap[0].length;
- var referenceHeight = referenceBitmap.length;
- var pseudoPixelContext = RefinementReusedContexts[templateIndex];
- var bitmap = [];
- var decoder = decodingContext.decoder;
- var contexts = decodingContext.contextCache.getContexts("GR");
- var ltp = 0;
- for (var i = 0; i < height; i++) {
- if (prediction) {
- var sltp = decoder.readBit(contexts, pseudoPixelContext);
- ltp ^= sltp;
- if (ltp) {
- throw new Jbig2Error("prediction is not supported");
- }
- }
- var row = new Uint8Array(width);
- bitmap.push(row);
- for (var j = 0; j < width; j++) {
- var i0 = void 0,
- j0 = void 0;
- var contextLabel = 0;
- for (k = 0; k < codingTemplateLength; k++) {
- i0 = i + codingTemplateY[k];
- j0 = j + codingTemplateX[k];
- if (i0 < 0 || j0 < 0 || j0 >= width) {
- contextLabel <<= 1;
- } else {
- contextLabel = contextLabel << 1 | bitmap[i0][j0];
- }
- }
- for (k = 0; k < referenceTemplateLength; k++) {
- i0 = i + referenceTemplateY[k] - offsetY;
- j0 = j + referenceTemplateX[k] - offsetX;
- if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth) {
- contextLabel <<= 1;
- } else {
- contextLabel = contextLabel << 1 | referenceBitmap[i0][j0];
- }
- }
- var pixel = decoder.readBit(contexts, contextLabel);
- row[j] = pixel;
- }
- }
- return bitmap;
- }
- function decodeSymbolDictionary(huffman, refinement, symbols, numberOfNewSymbols, numberOfExportedSymbols, huffmanTables, templateIndex, at, refinementTemplateIndex, refinementAt, decodingContext, huffmanInput) {
- if (huffman && refinement) {
- throw new Jbig2Error("symbol refinement with Huffman is not supported");
- }
- var newSymbols = [];
- var currentHeight = 0;
- var symbolCodeLength = (0, _core_utils.log2)(symbols.length + numberOfNewSymbols);
- var decoder = decodingContext.decoder;
- var contextCache = decodingContext.contextCache;
- var tableB1, symbolWidths;
- if (huffman) {
- tableB1 = getStandardTable(1);
- symbolWidths = [];
- symbolCodeLength = Math.max(symbolCodeLength, 1);
- }
- while (newSymbols.length < numberOfNewSymbols) {
- var deltaHeight = huffman ? huffmanTables.tableDeltaHeight.decode(huffmanInput) : decodeInteger(contextCache, "IADH", decoder);
- currentHeight += deltaHeight;
- var currentWidth = 0,
- totalWidth = 0;
- var firstSymbol = huffman ? symbolWidths.length : 0;
- while (true) {
- var deltaWidth = huffman ? huffmanTables.tableDeltaWidth.decode(huffmanInput) : decodeInteger(contextCache, "IADW", decoder);
- if (deltaWidth === null) {
- break;
- }
- currentWidth += deltaWidth;
- totalWidth += currentWidth;
- var bitmap = void 0;
- if (refinement) {
- var numberOfInstances = decodeInteger(contextCache, "IAAI", decoder);
- if (numberOfInstances > 1) {
- bitmap = decodeTextRegion(huffman, refinement, currentWidth, currentHeight, 0, numberOfInstances, 1, symbols.concat(newSymbols), symbolCodeLength, 0, 0, 1, 0, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, 0, huffmanInput);
- } else {
- var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
- var rdx = decodeInteger(contextCache, "IARDX", decoder);
- var rdy = decodeInteger(contextCache, "IARDY", decoder);
- var symbol = symbolId < symbols.length ? symbols[symbolId] : newSymbols[symbolId - symbols.length];
- bitmap = decodeRefinement(currentWidth, currentHeight, refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt, decodingContext);
- }
- newSymbols.push(bitmap);
- } else if (huffman) {
- symbolWidths.push(currentWidth);
- } else {
- bitmap = decodeBitmap(false, currentWidth, currentHeight, templateIndex, false, null, at, decodingContext);
- newSymbols.push(bitmap);
- }
- }
- if (huffman && !refinement) {
- var bitmapSize = huffmanTables.tableBitmapSize.decode(huffmanInput);
- huffmanInput.byteAlign();
- var collectiveBitmap = void 0;
- if (bitmapSize === 0) {
- collectiveBitmap = readUncompressedBitmap(huffmanInput, totalWidth, currentHeight);
- } else {
- var originalEnd = huffmanInput.end;
- var bitmapEnd = huffmanInput.position + bitmapSize;
- huffmanInput.end = bitmapEnd;
- collectiveBitmap = decodeMMRBitmap(huffmanInput, totalWidth, currentHeight, false);
- huffmanInput.end = originalEnd;
- huffmanInput.position = bitmapEnd;
- }
- var numberOfSymbolsDecoded = symbolWidths.length;
- if (firstSymbol === numberOfSymbolsDecoded - 1) {
- newSymbols.push(collectiveBitmap);
- } else {
- var _i = void 0,
- y = void 0,
- xMin = 0,
- xMax = void 0,
- bitmapWidth = void 0,
- symbolBitmap = void 0;
- for (_i = firstSymbol; _i < numberOfSymbolsDecoded; _i++) {
- bitmapWidth = symbolWidths[_i];
- xMax = xMin + bitmapWidth;
- symbolBitmap = [];
- for (y = 0; y < currentHeight; y++) {
- symbolBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
- }
- newSymbols.push(symbolBitmap);
- xMin = xMax;
- }
- }
- }
- }
- var exportedSymbols = [],
- flags = [];
- var currentFlag = false,
- i,
- ii;
- var totalSymbolsLength = symbols.length + numberOfNewSymbols;
- while (flags.length < totalSymbolsLength) {
- var runLength = huffman ? tableB1.decode(huffmanInput) : decodeInteger(contextCache, "IAEX", decoder);
- while (runLength--) {
- flags.push(currentFlag);
- }
- currentFlag = !currentFlag;
- }
- for (i = 0, ii = symbols.length; i < ii; i++) {
- if (flags[i]) {
- exportedSymbols.push(symbols[i]);
- }
- }
- for (var j = 0; j < numberOfNewSymbols; i++, j++) {
- if (flags[i]) {
- exportedSymbols.push(newSymbols[j]);
- }
- }
- return exportedSymbols;
- }
- function decodeTextRegion(huffman, refinement, width, height, defaultPixelValue, numberOfSymbolInstances, stripSize, inputSymbols, symbolCodeLength, transposed, dsOffset, referenceCorner, combinationOperator, huffmanTables, refinementTemplateIndex, refinementAt, decodingContext, logStripSize, huffmanInput) {
- if (huffman && refinement) {
- throw new Jbig2Error("refinement with Huffman is not supported");
- }
- var bitmap = [];
- var i, row;
- for (i = 0; i < height; i++) {
- row = new Uint8Array(width);
- if (defaultPixelValue) {
- for (var j = 0; j < width; j++) {
- row[j] = defaultPixelValue;
- }
- }
- bitmap.push(row);
- }
- var decoder = decodingContext.decoder;
- var contextCache = decodingContext.contextCache;
- var stripT = huffman ? -huffmanTables.tableDeltaT.decode(huffmanInput) : -decodeInteger(contextCache, "IADT", decoder);
- var firstS = 0;
- i = 0;
- while (i < numberOfSymbolInstances) {
- var deltaT = huffman ? huffmanTables.tableDeltaT.decode(huffmanInput) : decodeInteger(contextCache, "IADT", decoder);
- stripT += deltaT;
- var deltaFirstS = huffman ? huffmanTables.tableFirstS.decode(huffmanInput) : decodeInteger(contextCache, "IAFS", decoder);
- firstS += deltaFirstS;
- var currentS = firstS;
- do {
- var currentT = 0;
- if (stripSize > 1) {
- currentT = huffman ? huffmanInput.readBits(logStripSize) : decodeInteger(contextCache, "IAIT", decoder);
- }
- var t = stripSize * stripT + currentT;
- var symbolId = huffman ? huffmanTables.symbolIDTable.decode(huffmanInput) : decodeIAID(contextCache, decoder, symbolCodeLength);
- var applyRefinement = refinement && (huffman ? huffmanInput.readBit() : decodeInteger(contextCache, "IARI", decoder));
- var symbolBitmap = inputSymbols[symbolId];
- var symbolWidth = symbolBitmap[0].length;
- var symbolHeight = symbolBitmap.length;
- if (applyRefinement) {
- var rdw = decodeInteger(contextCache, "IARDW", decoder);
- var rdh = decodeInteger(contextCache, "IARDH", decoder);
- var rdx = decodeInteger(contextCache, "IARDX", decoder);
- var rdy = decodeInteger(contextCache, "IARDY", decoder);
- symbolWidth += rdw;
- symbolHeight += rdh;
- symbolBitmap = decodeRefinement(symbolWidth, symbolHeight, refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx, (rdh >> 1) + rdy, false, refinementAt, decodingContext);
- }
- var offsetT = t - (referenceCorner & 1 ? 0 : symbolHeight - 1);
- var offsetS = currentS - (referenceCorner & 2 ? symbolWidth - 1 : 0);
- var s2 = void 0,
- t2 = void 0,
- symbolRow = void 0;
- if (transposed) {
- for (s2 = 0; s2 < symbolHeight; s2++) {
- row = bitmap[offsetS + s2];
- if (!row) {
- continue;
- }
- symbolRow = symbolBitmap[s2];
- var maxWidth = Math.min(width - offsetT, symbolWidth);
- switch (combinationOperator) {
- case 0:
- for (t2 = 0; t2 < maxWidth; t2++) {
- row[offsetT + t2] |= symbolRow[t2];
- }
- break;
- case 2:
- for (t2 = 0; t2 < maxWidth; t2++) {
- row[offsetT + t2] ^= symbolRow[t2];
- }
- break;
- default:
- throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
- }
- }
- currentS += symbolHeight - 1;
- } else {
- for (t2 = 0; t2 < symbolHeight; t2++) {
- row = bitmap[offsetT + t2];
- if (!row) {
- continue;
- }
- symbolRow = symbolBitmap[t2];
- switch (combinationOperator) {
- case 0:
- for (s2 = 0; s2 < symbolWidth; s2++) {
- row[offsetS + s2] |= symbolRow[s2];
- }
- break;
- case 2:
- for (s2 = 0; s2 < symbolWidth; s2++) {
- row[offsetS + s2] ^= symbolRow[s2];
- }
- break;
- default:
- throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
- }
- }
- currentS += symbolWidth - 1;
- }
- i++;
- var deltaS = huffman ? huffmanTables.tableDeltaS.decode(huffmanInput) : decodeInteger(contextCache, "IADS", decoder);
- if (deltaS === null) {
- break;
- }
- currentS += deltaS + dsOffset;
- } while (true);
- }
- return bitmap;
- }
- function decodePatternDictionary(mmr, patternWidth, patternHeight, maxPatternIndex, template, decodingContext) {
- var at = [];
- if (!mmr) {
- at.push({
- x: -patternWidth,
- y: 0
- });
- if (template === 0) {
- at.push({
- x: -3,
- y: -1
- }, {
- x: 2,
- y: -2
- }, {
- x: -2,
- y: -2
- });
- }
- }
- var collectiveWidth = (maxPatternIndex + 1) * patternWidth;
- var collectiveBitmap = decodeBitmap(mmr, collectiveWidth, patternHeight, template, false, null, at, decodingContext);
- var patterns = [];
- for (var i = 0; i <= maxPatternIndex; i++) {
- var patternBitmap = [];
- var xMin = patternWidth * i;
- var xMax = xMin + patternWidth;
- for (var y = 0; y < patternHeight; y++) {
- patternBitmap.push(collectiveBitmap[y].subarray(xMin, xMax));
- }
- patterns.push(patternBitmap);
- }
- return patterns;
- }
- function decodeHalftoneRegion(mmr, patterns, template, regionWidth, regionHeight, defaultPixelValue, enableSkip, combinationOperator, gridWidth, gridHeight, gridOffsetX, gridOffsetY, gridVectorX, gridVectorY, decodingContext) {
- var skip = null;
- if (enableSkip) {
- throw new Jbig2Error("skip is not supported");
- }
- if (combinationOperator !== 0) {
- throw new Jbig2Error("operator \"".concat(combinationOperator, "\" is not supported in halftone region"));
- }
- var regionBitmap = [];
- var i, j, row;
- for (i = 0; i < regionHeight; i++) {
- row = new Uint8Array(regionWidth);
- if (defaultPixelValue) {
- for (j = 0; j < regionWidth; j++) {
- row[j] = defaultPixelValue;
- }
- }
- regionBitmap.push(row);
- }
- var numberOfPatterns = patterns.length;
- var pattern0 = patterns[0];
- var patternWidth = pattern0[0].length,
- patternHeight = pattern0.length;
- var bitsPerValue = (0, _core_utils.log2)(numberOfPatterns);
- var at = [];
- if (!mmr) {
- at.push({
- x: template <= 1 ? 3 : 2,
- y: -1
- });
- if (template === 0) {
- at.push({
- x: -3,
- y: -1
- }, {
- x: 2,
- y: -2
- }, {
- x: -2,
- y: -2
- });
- }
- }
- var grayScaleBitPlanes = [];
- var mmrInput, bitmap;
- if (mmr) {
- mmrInput = new Reader(decodingContext.data, decodingContext.start, decodingContext.end);
- }
- for (i = bitsPerValue - 1; i >= 0; i--) {
- if (mmr) {
- bitmap = decodeMMRBitmap(mmrInput, gridWidth, gridHeight, true);
- } else {
- bitmap = decodeBitmap(false, gridWidth, gridHeight, template, false, skip, at, decodingContext);
- }
- grayScaleBitPlanes[i] = bitmap;
- }
- var mg, ng, bit, patternIndex, patternBitmap, x, y, patternRow, regionRow;
- for (mg = 0; mg < gridHeight; mg++) {
- for (ng = 0; ng < gridWidth; ng++) {
- bit = 0;
- patternIndex = 0;
- for (j = bitsPerValue - 1; j >= 0; j--) {
- bit ^= grayScaleBitPlanes[j][mg][ng];
- patternIndex |= bit << j;
- }
- patternBitmap = patterns[patternIndex];
- x = gridOffsetX + mg * gridVectorY + ng * gridVectorX >> 8;
- y = gridOffsetY + mg * gridVectorX - ng * gridVectorY >> 8;
- if (x >= 0 && x + patternWidth <= regionWidth && y >= 0 && y + patternHeight <= regionHeight) {
- for (i = 0; i < patternHeight; i++) {
- regionRow = regionBitmap[y + i];
- patternRow = patternBitmap[i];
- for (j = 0; j < patternWidth; j++) {
- regionRow[x + j] |= patternRow[j];
- }
- }
- } else {
- var regionX = void 0,
- regionY = void 0;
- for (i = 0; i < patternHeight; i++) {
- regionY = y + i;
- if (regionY < 0 || regionY >= regionHeight) {
- continue;
- }
- regionRow = regionBitmap[regionY];
- patternRow = patternBitmap[i];
- for (j = 0; j < patternWidth; j++) {
- regionX = x + j;
- if (regionX >= 0 && regionX < regionWidth) {
- regionRow[regionX] |= patternRow[j];
- }
- }
- }
- }
- }
- }
- return regionBitmap;
- }
- function readSegmentHeader(data, start) {
- var segmentHeader = {};
- segmentHeader.number = (0, _core_utils.readUint32)(data, start);
- var flags = data[start + 4];
- var segmentType = flags & 0x3f;
- if (!SegmentTypes[segmentType]) {
- throw new Jbig2Error("invalid segment type: " + segmentType);
- }
- segmentHeader.type = segmentType;
- segmentHeader.typeName = SegmentTypes[segmentType];
- segmentHeader.deferredNonRetain = !!(flags & 0x80);
- var pageAssociationFieldSize = !!(flags & 0x40);
- var referredFlags = data[start + 5];
- var referredToCount = referredFlags >> 5 & 7;
- var retainBits = [referredFlags & 31];
- var position = start + 6;
- if (referredFlags === 7) {
- referredToCount = (0, _core_utils.readUint32)(data, position - 1) & 0x1fffffff;
- position += 3;
- var bytes = referredToCount + 7 >> 3;
- retainBits[0] = data[position++];
- while (--bytes > 0) {
- retainBits.push(data[position++]);
- }
- } else if (referredFlags === 5 || referredFlags === 6) {
- throw new Jbig2Error("invalid referred-to flags");
- }
- segmentHeader.retainBits = retainBits;
- var referredToSegmentNumberSize = 4;
- if (segmentHeader.number <= 256) {
- referredToSegmentNumberSize = 1;
- } else if (segmentHeader.number <= 65536) {
- referredToSegmentNumberSize = 2;
- }
- var referredTo = [];
- var i, ii;
- for (i = 0; i < referredToCount; i++) {
- var number = void 0;
- if (referredToSegmentNumberSize === 1) {
- number = data[position];
- } else if (referredToSegmentNumberSize === 2) {
- number = (0, _core_utils.readUint16)(data, position);
- } else {
- number = (0, _core_utils.readUint32)(data, position);
- }
- referredTo.push(number);
- position += referredToSegmentNumberSize;
- }
- segmentHeader.referredTo = referredTo;
- if (!pageAssociationFieldSize) {
- segmentHeader.pageAssociation = data[position++];
- } else {
- segmentHeader.pageAssociation = (0, _core_utils.readUint32)(data, position);
- position += 4;
- }
- segmentHeader.length = (0, _core_utils.readUint32)(data, position);
- position += 4;
- if (segmentHeader.length === 0xffffffff) {
- if (segmentType === 38) {
- var genericRegionInfo = readRegionSegmentInformation(data, position);
- var genericRegionSegmentFlags = data[position + RegionSegmentInformationFieldLength];
- var genericRegionMmr = !!(genericRegionSegmentFlags & 1);
- var searchPatternLength = 6;
- var searchPattern = new Uint8Array(searchPatternLength);
- if (!genericRegionMmr) {
- searchPattern[0] = 0xff;
- searchPattern[1] = 0xac;
- }
- searchPattern[2] = genericRegionInfo.height >>> 24 & 0xff;
- searchPattern[3] = genericRegionInfo.height >> 16 & 0xff;
- searchPattern[4] = genericRegionInfo.height >> 8 & 0xff;
- searchPattern[5] = genericRegionInfo.height & 0xff;
- for (i = position, ii = data.length; i < ii; i++) {
- var j = 0;
- while (j < searchPatternLength && searchPattern[j] === data[i + j]) {
- j++;
- }
- if (j === searchPatternLength) {
- segmentHeader.length = i + searchPatternLength;
- break;
- }
- }
- if (segmentHeader.length === 0xffffffff) {
- throw new Jbig2Error("segment end was not found");
- }
- } else {
- throw new Jbig2Error("invalid unknown segment length");
- }
- }
- segmentHeader.headerEnd = position;
- return segmentHeader;
- }
- function readSegments(header, data, start, end) {
- var segments = [];
- var position = start;
- while (position < end) {
- var segmentHeader = readSegmentHeader(data, position);
- position = segmentHeader.headerEnd;
- var segment = {
- header: segmentHeader,
- data: data
- };
- if (!header.randomAccess) {
- segment.start = position;
- position += segmentHeader.length;
- segment.end = position;
- }
- segments.push(segment);
- if (segmentHeader.type === 51) {
- break;
- }
- }
- if (header.randomAccess) {
- for (var i = 0, ii = segments.length; i < ii; i++) {
- segments[i].start = position;
- position += segments[i].header.length;
- segments[i].end = position;
- }
- }
- return segments;
- }
- function readRegionSegmentInformation(data, start) {
- return {
- width: (0, _core_utils.readUint32)(data, start),
- height: (0, _core_utils.readUint32)(data, start + 4),
- x: (0, _core_utils.readUint32)(data, start + 8),
- y: (0, _core_utils.readUint32)(data, start + 12),
- combinationOperator: data[start + 16] & 7
- };
- }
- var RegionSegmentInformationFieldLength = 17;
- function processSegment(segment, visitor) {
- var header = segment.header;
- var data = segment.data,
- end = segment.end;
- var position = segment.start;
- var args, at, i, atLength;
- switch (header.type) {
- case 0:
- var dictionary = {};
- var dictionaryFlags = (0, _core_utils.readUint16)(data, position);
- dictionary.huffman = !!(dictionaryFlags & 1);
- dictionary.refinement = !!(dictionaryFlags & 2);
- dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
- dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
- dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
- dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
- dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
- dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
- dictionary.template = dictionaryFlags >> 10 & 3;
- dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
- position += 2;
- if (!dictionary.huffman) {
- atLength = dictionary.template === 0 ? 4 : 1;
- at = [];
- for (i = 0; i < atLength; i++) {
- at.push({
- x: (0, _core_utils.readInt8)(data, position),
- y: (0, _core_utils.readInt8)(data, position + 1)
- });
- position += 2;
- }
- dictionary.at = at;
- }
- if (dictionary.refinement && !dictionary.refinementTemplate) {
- at = [];
- for (i = 0; i < 2; i++) {
- at.push({
- x: (0, _core_utils.readInt8)(data, position),
- y: (0, _core_utils.readInt8)(data, position + 1)
- });
- position += 2;
- }
- dictionary.refinementAt = at;
- }
- dictionary.numberOfExportedSymbols = (0, _core_utils.readUint32)(data, position);
- position += 4;
- dictionary.numberOfNewSymbols = (0, _core_utils.readUint32)(data, position);
- position += 4;
- args = [dictionary, header.number, header.referredTo, data, position, end];
- break;
- case 6:
- case 7:
- var textRegion = {};
- textRegion.info = readRegionSegmentInformation(data, position);
- position += RegionSegmentInformationFieldLength;
- var textRegionSegmentFlags = (0, _core_utils.readUint16)(data, position);
- position += 2;
- textRegion.huffman = !!(textRegionSegmentFlags & 1);
- textRegion.refinement = !!(textRegionSegmentFlags & 2);
- textRegion.logStripSize = textRegionSegmentFlags >> 2 & 3;
- textRegion.stripSize = 1 << textRegion.logStripSize;
- textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
- textRegion.transposed = !!(textRegionSegmentFlags & 64);
- textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
- textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
- textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
- textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
- if (textRegion.huffman) {
- var textRegionHuffmanFlags = (0, _core_utils.readUint16)(data, position);
- position += 2;
- textRegion.huffmanFS = textRegionHuffmanFlags & 3;
- textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
- textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
- textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
- textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
- textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
- textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
- textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 0x4000);
- }
- if (textRegion.refinement && !textRegion.refinementTemplate) {
- at = [];
- for (i = 0; i < 2; i++) {
- at.push({
- x: (0, _core_utils.readInt8)(data, position),
- y: (0, _core_utils.readInt8)(data, position + 1)
- });
- position += 2;
- }
- textRegion.refinementAt = at;
- }
- textRegion.numberOfSymbolInstances = (0, _core_utils.readUint32)(data, position);
- position += 4;
- args = [textRegion, header.referredTo, data, position, end];
- break;
- case 16:
- var patternDictionary = {};
- var patternDictionaryFlags = data[position++];
- patternDictionary.mmr = !!(patternDictionaryFlags & 1);
- patternDictionary.template = patternDictionaryFlags >> 1 & 3;
- patternDictionary.patternWidth = data[position++];
- patternDictionary.patternHeight = data[position++];
- patternDictionary.maxPatternIndex = (0, _core_utils.readUint32)(data, position);
- position += 4;
- args = [patternDictionary, header.number, data, position, end];
- break;
- case 22:
- case 23:
- var halftoneRegion = {};
- halftoneRegion.info = readRegionSegmentInformation(data, position);
- position += RegionSegmentInformationFieldLength;
- var halftoneRegionFlags = data[position++];
- halftoneRegion.mmr = !!(halftoneRegionFlags & 1);
- halftoneRegion.template = halftoneRegionFlags >> 1 & 3;
- halftoneRegion.enableSkip = !!(halftoneRegionFlags & 8);
- halftoneRegion.combinationOperator = halftoneRegionFlags >> 4 & 7;
- halftoneRegion.defaultPixelValue = halftoneRegionFlags >> 7 & 1;
- halftoneRegion.gridWidth = (0, _core_utils.readUint32)(data, position);
- position += 4;
- halftoneRegion.gridHeight = (0, _core_utils.readUint32)(data, position);
- position += 4;
- halftoneRegion.gridOffsetX = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
- position += 4;
- halftoneRegion.gridOffsetY = (0, _core_utils.readUint32)(data, position) & 0xffffffff;
- position += 4;
- halftoneRegion.gridVectorX = (0, _core_utils.readUint16)(data, position);
- position += 2;
- halftoneRegion.gridVectorY = (0, _core_utils.readUint16)(data, position);
- position += 2;
- args = [halftoneRegion, header.referredTo, data, position, end];
- break;
- case 38:
- case 39:
- var genericRegion = {};
- genericRegion.info = readRegionSegmentInformation(data, position);
- position += RegionSegmentInformationFieldLength;
- var genericRegionSegmentFlags = data[position++];
- genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
- genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
- genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
- if (!genericRegion.mmr) {
- atLength = genericRegion.template === 0 ? 4 : 1;
- at = [];
- for (i = 0; i < atLength; i++) {
- at.push({
- x: (0, _core_utils.readInt8)(data, position),
- y: (0, _core_utils.readInt8)(data, position + 1)
- });
- position += 2;
- }
- genericRegion.at = at;
- }
- args = [genericRegion, data, position, end];
- break;
- case 48:
- var pageInfo = {
- width: (0, _core_utils.readUint32)(data, position),
- height: (0, _core_utils.readUint32)(data, position + 4),
- resolutionX: (0, _core_utils.readUint32)(data, position + 8),
- resolutionY: (0, _core_utils.readUint32)(data, position + 12)
- };
- if (pageInfo.height === 0xffffffff) {
- delete pageInfo.height;
- }
- var pageSegmentFlags = data[position + 16];
- (0, _core_utils.readUint16)(data, position + 17);
- pageInfo.lossless = !!(pageSegmentFlags & 1);
- pageInfo.refinement = !!(pageSegmentFlags & 2);
- pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
- pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
- pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
- pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
- args = [pageInfo];
- break;
- case 49:
- break;
- case 50:
- break;
- case 51:
- break;
- case 53:
- args = [header.number, data, position, end];
- break;
- case 62:
- break;
- default:
- throw new Jbig2Error("segment type ".concat(header.typeName, "(").concat(header.type, ")") + " is not implemented");
- }
- var callbackName = "on" + header.typeName;
- if (callbackName in visitor) {
- visitor[callbackName].apply(visitor, args);
- }
- }
- function processSegments(segments, visitor) {
- for (var i = 0, ii = segments.length; i < ii; i++) {
- processSegment(segments[i], visitor);
- }
- }
- function parseJbig2Chunks(chunks) {
- var visitor = new SimpleSegmentVisitor();
- for (var i = 0, ii = chunks.length; i < ii; i++) {
- var chunk = chunks[i];
- var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
- processSegments(segments, visitor);
- }
- return visitor.buffer;
- }
- function parseJbig2(data) {
- var end = data.length;
- var position = 0;
- if (data[position] !== 0x97 || data[position + 1] !== 0x4a || data[position + 2] !== 0x42 || data[position + 3] !== 0x32 || data[position + 4] !== 0x0d || data[position + 5] !== 0x0a || data[position + 6] !== 0x1a || data[position + 7] !== 0x0a) {
- throw new Jbig2Error("parseJbig2 - invalid header.");
- }
- var header = Object.create(null);
- position += 8;
- var flags = data[position++];
- header.randomAccess = !(flags & 1);
- if (!(flags & 2)) {
- header.numberOfPages = (0, _core_utils.readUint32)(data, position);
- position += 4;
- }
- var segments = readSegments(header, data, position, end);
- var visitor = new SimpleSegmentVisitor();
- processSegments(segments, visitor);
- var _visitor$currentPageI = visitor.currentPageInfo,
- width = _visitor$currentPageI.width,
- height = _visitor$currentPageI.height;
- var bitPacked = visitor.buffer;
- var imgData = new Uint8ClampedArray(width * height);
- var q = 0,
- k = 0;
- for (var i = 0; i < height; i++) {
- var mask = 0,
- buffer = void 0;
- for (var j = 0; j < width; j++) {
- if (!mask) {
- mask = 128;
- buffer = bitPacked[k++];
- }
- imgData[q++] = buffer & mask ? 0 : 255;
- mask >>= 1;
- }
- }
- return {
- imgData: imgData,
- width: width,
- height: height
- };
- }
- var SimpleSegmentVisitor = /*#__PURE__*/function () {
- function SimpleSegmentVisitor() {
- _classCallCheck(this, SimpleSegmentVisitor);
- }
- _createClass(SimpleSegmentVisitor, [{
- key: "onPageInformation",
- value: function onPageInformation(info) {
- this.currentPageInfo = info;
- var rowSize = info.width + 7 >> 3;
- var buffer = new Uint8ClampedArray(rowSize * info.height);
- if (info.defaultPixelValue) {
- for (var i = 0, ii = buffer.length; i < ii; i++) {
- buffer[i] = 0xff;
- }
- }
- this.buffer = buffer;
- }
- }, {
- key: "drawBitmap",
- value: function drawBitmap(regionInfo, bitmap) {
- var pageInfo = this.currentPageInfo;
- var width = regionInfo.width,
- height = regionInfo.height;
- var rowSize = pageInfo.width + 7 >> 3;
- var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
- var buffer = this.buffer;
- var mask0 = 128 >> (regionInfo.x & 7);
- var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
- var i, j, mask, offset;
- switch (combinationOperator) {
- case 0:
- for (i = 0; i < height; i++) {
- mask = mask0;
- offset = offset0;
- for (j = 0; j < width; j++) {
- if (bitmap[i][j]) {
- buffer[offset] |= mask;
- }
- mask >>= 1;
- if (!mask) {
- mask = 128;
- offset++;
- }
- }
- offset0 += rowSize;
- }
- break;
- case 2:
- for (i = 0; i < height; i++) {
- mask = mask0;
- offset = offset0;
- for (j = 0; j < width; j++) {
- if (bitmap[i][j]) {
- buffer[offset] ^= mask;
- }
- mask >>= 1;
- if (!mask) {
- mask = 128;
- offset++;
- }
- }
- offset0 += rowSize;
- }
- break;
- default:
- throw new Jbig2Error("operator ".concat(combinationOperator, " is not supported"));
- }
- }
- }, {
- key: "onImmediateGenericRegion",
- value: function onImmediateGenericRegion(region, data, start, end) {
- var regionInfo = region.info;
- var decodingContext = new DecodingContext(data, start, end);
- var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height, region.template, region.prediction, null, region.at, decodingContext);
- this.drawBitmap(regionInfo, bitmap);
- }
- }, {
- key: "onImmediateLosslessGenericRegion",
- value: function onImmediateLosslessGenericRegion() {
- this.onImmediateGenericRegion.apply(this, arguments);
- }
- }, {
- key: "onSymbolDictionary",
- value: function onSymbolDictionary(dictionary, currentSegment, referredSegments, data, start, end) {
- var huffmanTables, huffmanInput;
- if (dictionary.huffman) {
- huffmanTables = getSymbolDictionaryHuffmanTables(dictionary, referredSegments, this.customTables);
- huffmanInput = new Reader(data, start, end);
- }
- var symbols = this.symbols;
- if (!symbols) {
- this.symbols = symbols = {};
- }
- var inputSymbols = [];
- for (var i = 0, ii = referredSegments.length; i < ii; i++) {
- var referredSymbols = symbols[referredSegments[i]];
- if (referredSymbols) {
- inputSymbols = inputSymbols.concat(referredSymbols);
- }
- }
- var decodingContext = new DecodingContext(data, start, end);
- symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman, dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols, dictionary.numberOfExportedSymbols, huffmanTables, dictionary.template, dictionary.at, dictionary.refinementTemplate, dictionary.refinementAt, decodingContext, huffmanInput);
- }
- }, {
- key: "onImmediateTextRegion",
- value: function onImmediateTextRegion(region, referredSegments, data, start, end) {
- var regionInfo = region.info;
- var huffmanTables, huffmanInput;
- var symbols = this.symbols;
- var inputSymbols = [];
- for (var i = 0, ii = referredSegments.length; i < ii; i++) {
- var referredSymbols = symbols[referredSegments[i]];
- if (referredSymbols) {
- inputSymbols = inputSymbols.concat(referredSymbols);
- }
- }
- var symbolCodeLength = (0, _core_utils.log2)(inputSymbols.length);
- if (region.huffman) {
- huffmanInput = new Reader(data, start, end);
- huffmanTables = getTextRegionHuffmanTables(region, referredSegments, this.customTables, inputSymbols.length, huffmanInput);
- }
- var decodingContext = new DecodingContext(data, start, end);
- var bitmap = decodeTextRegion(region.huffman, region.refinement, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.numberOfSymbolInstances, region.stripSize, inputSymbols, symbolCodeLength, region.transposed, region.dsOffset, region.referenceCorner, region.combinationOperator, huffmanTables, region.refinementTemplate, region.refinementAt, decodingContext, region.logStripSize, huffmanInput);
- this.drawBitmap(regionInfo, bitmap);
- }
- }, {
- key: "onImmediateLosslessTextRegion",
- value: function onImmediateLosslessTextRegion() {
- this.onImmediateTextRegion.apply(this, arguments);
- }
- }, {
- key: "onPatternDictionary",
- value: function onPatternDictionary(dictionary, currentSegment, data, start, end) {
- var patterns = this.patterns;
- if (!patterns) {
- this.patterns = patterns = {};
- }
- var decodingContext = new DecodingContext(data, start, end);
- patterns[currentSegment] = decodePatternDictionary(dictionary.mmr, dictionary.patternWidth, dictionary.patternHeight, dictionary.maxPatternIndex, dictionary.template, decodingContext);
- }
- }, {
- key: "onImmediateHalftoneRegion",
- value: function onImmediateHalftoneRegion(region, referredSegments, data, start, end) {
- var patterns = this.patterns[referredSegments[0]];
- var regionInfo = region.info;
- var decodingContext = new DecodingContext(data, start, end);
- var bitmap = decodeHalftoneRegion(region.mmr, patterns, region.template, regionInfo.width, regionInfo.height, region.defaultPixelValue, region.enableSkip, region.combinationOperator, region.gridWidth, region.gridHeight, region.gridOffsetX, region.gridOffsetY, region.gridVectorX, region.gridVectorY, decodingContext);
- this.drawBitmap(regionInfo, bitmap);
- }
- }, {
- key: "onImmediateLosslessHalftoneRegion",
- value: function onImmediateLosslessHalftoneRegion() {
- this.onImmediateHalftoneRegion.apply(this, arguments);
- }
- }, {
- key: "onTables",
- value: function onTables(currentSegment, data, start, end) {
- var customTables = this.customTables;
- if (!customTables) {
- this.customTables = customTables = {};
- }
- customTables[currentSegment] = decodeTablesSegment(data, start, end);
- }
- }]);
- return SimpleSegmentVisitor;
- }();
- var HuffmanLine = function HuffmanLine(lineData) {
- _classCallCheck(this, HuffmanLine);
- if (lineData.length === 2) {
- this.isOOB = true;
- this.rangeLow = 0;
- this.prefixLength = lineData[0];
- this.rangeLength = 0;
- this.prefixCode = lineData[1];
- this.isLowerRange = false;
- } else {
- this.isOOB = false;
- this.rangeLow = lineData[0];
- this.prefixLength = lineData[1];
- this.rangeLength = lineData[2];
- this.prefixCode = lineData[3];
- this.isLowerRange = lineData[4] === "lower";
- }
- };
- var HuffmanTreeNode = /*#__PURE__*/function () {
- function HuffmanTreeNode(line) {
- _classCallCheck(this, HuffmanTreeNode);
- this.children = [];
- if (line) {
- this.isLeaf = true;
- this.rangeLength = line.rangeLength;
- this.rangeLow = line.rangeLow;
- this.isLowerRange = line.isLowerRange;
- this.isOOB = line.isOOB;
- } else {
- this.isLeaf = false;
- }
- }
- _createClass(HuffmanTreeNode, [{
- key: "buildTree",
- value: function buildTree(line, shift) {
- var bit = line.prefixCode >> shift & 1;
- if (shift <= 0) {
- this.children[bit] = new HuffmanTreeNode(line);
- } else {
- var node = this.children[bit];
- if (!node) {
- this.children[bit] = node = new HuffmanTreeNode(null);
- }
- node.buildTree(line, shift - 1);
- }
- }
- }, {
- key: "decodeNode",
- value: function decodeNode(reader) {
- if (this.isLeaf) {
- if (this.isOOB) {
- return null;
- }
- var htOffset = reader.readBits(this.rangeLength);
- return this.rangeLow + (this.isLowerRange ? -htOffset : htOffset);
- }
- var node = this.children[reader.readBit()];
- if (!node) {
- throw new Jbig2Error("invalid Huffman data");
- }
- return node.decodeNode(reader);
- }
- }]);
- return HuffmanTreeNode;
- }();
- var HuffmanTable = /*#__PURE__*/function () {
- function HuffmanTable(lines, prefixCodesDone) {
- _classCallCheck(this, HuffmanTable);
- if (!prefixCodesDone) {
- this.assignPrefixCodes(lines);
- }
- this.rootNode = new HuffmanTreeNode(null);
- for (var i = 0, ii = lines.length; i < ii; i++) {
- var line = lines[i];
- if (line.prefixLength > 0) {
- this.rootNode.buildTree(line, line.prefixLength - 1);
- }
- }
- }
- _createClass(HuffmanTable, [{
- key: "decode",
- value: function decode(reader) {
- return this.rootNode.decodeNode(reader);
- }
- }, {
- key: "assignPrefixCodes",
- value: function assignPrefixCodes(lines) {
- var linesLength = lines.length;
- var prefixLengthMax = 0;
- for (var i = 0; i < linesLength; i++) {
- prefixLengthMax = Math.max(prefixLengthMax, lines[i].prefixLength);
- }
- var histogram = new Uint32Array(prefixLengthMax + 1);
- for (var _i2 = 0; _i2 < linesLength; _i2++) {
- histogram[lines[_i2].prefixLength]++;
- }
- var currentLength = 1,
- firstCode = 0,
- currentCode,
- currentTemp,
- line;
- histogram[0] = 0;
- while (currentLength <= prefixLengthMax) {
- firstCode = firstCode + histogram[currentLength - 1] << 1;
- currentCode = firstCode;
- currentTemp = 0;
- while (currentTemp < linesLength) {
- line = lines[currentTemp];
- if (line.prefixLength === currentLength) {
- line.prefixCode = currentCode;
- currentCode++;
- }
- currentTemp++;
- }
- currentLength++;
- }
- }
- }]);
- return HuffmanTable;
- }();
- function decodeTablesSegment(data, start, end) {
- var flags = data[start];
- var lowestValue = (0, _core_utils.readUint32)(data, start + 1) & 0xffffffff;
- var highestValue = (0, _core_utils.readUint32)(data, start + 5) & 0xffffffff;
- var reader = new Reader(data, start + 9, end);
- var prefixSizeBits = (flags >> 1 & 7) + 1;
- var rangeSizeBits = (flags >> 4 & 7) + 1;
- var lines = [];
- var prefixLength,
- rangeLength,
- currentRangeLow = lowestValue;
- do {
- prefixLength = reader.readBits(prefixSizeBits);
- rangeLength = reader.readBits(rangeSizeBits);
- lines.push(new HuffmanLine([currentRangeLow, prefixLength, rangeLength, 0]));
- currentRangeLow += 1 << rangeLength;
- } while (currentRangeLow < highestValue);
- prefixLength = reader.readBits(prefixSizeBits);
- lines.push(new HuffmanLine([lowestValue - 1, prefixLength, 32, 0, "lower"]));
- prefixLength = reader.readBits(prefixSizeBits);
- lines.push(new HuffmanLine([highestValue, prefixLength, 32, 0]));
- if (flags & 1) {
- prefixLength = reader.readBits(prefixSizeBits);
- lines.push(new HuffmanLine([prefixLength, 0]));
- }
- return new HuffmanTable(lines, false);
- }
- var standardTablesCache = {};
- function getStandardTable(number) {
- var table = standardTablesCache[number];
- if (table) {
- return table;
- }
- var lines;
- switch (number) {
- case 1:
- lines = [[0, 1, 4, 0x0], [16, 2, 8, 0x2], [272, 3, 16, 0x6], [65808, 3, 32, 0x7]];
- break;
- case 2:
- lines = [[0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [75, 6, 32, 0x3e], [6, 0x3f]];
- break;
- case 3:
- lines = [[-256, 8, 8, 0xfe], [0, 1, 0, 0x0], [1, 2, 0, 0x2], [2, 3, 0, 0x6], [3, 4, 3, 0xe], [11, 5, 6, 0x1e], [-257, 8, 32, 0xff, "lower"], [75, 7, 32, 0x7e], [6, 0x3e]];
- break;
- case 4:
- lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [76, 5, 32, 0x1f]];
- break;
- case 5:
- lines = [[-255, 7, 8, 0x7e], [1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 0, 0x6], [4, 4, 3, 0xe], [12, 5, 6, 0x1e], [-256, 7, 32, 0x7f, "lower"], [76, 6, 32, 0x3e]];
- break;
- case 6:
- lines = [[-2048, 5, 10, 0x1c], [-1024, 4, 9, 0x8], [-512, 4, 8, 0x9], [-256, 4, 7, 0xa], [-128, 5, 6, 0x1d], [-64, 5, 5, 0x1e], [-32, 4, 5, 0xb], [0, 2, 7, 0x0], [128, 3, 7, 0x2], [256, 3, 8, 0x3], [512, 4, 9, 0xc], [1024, 4, 10, 0xd], [-2049, 6, 32, 0x3e, "lower"], [2048, 6, 32, 0x3f]];
- break;
- case 7:
- lines = [[-1024, 4, 9, 0x8], [-512, 3, 8, 0x0], [-256, 4, 7, 0x9], [-128, 5, 6, 0x1a], [-64, 5, 5, 0x1b], [-32, 4, 5, 0xa], [0, 4, 5, 0xb], [32, 5, 5, 0x1c], [64, 5, 6, 0x1d], [128, 4, 7, 0xc], [256, 3, 8, 0x1], [512, 3, 9, 0x2], [1024, 3, 10, 0x3], [-1025, 5, 32, 0x1e, "lower"], [2048, 5, 32, 0x1f]];
- break;
- case 8:
- lines = [[-15, 8, 3, 0xfc], [-7, 9, 1, 0x1fc], [-5, 8, 1, 0xfd], [-3, 9, 0, 0x1fd], [-2, 7, 0, 0x7c], [-1, 4, 0, 0xa], [0, 2, 1, 0x0], [2, 5, 0, 0x1a], [3, 6, 0, 0x3a], [4, 3, 4, 0x4], [20, 6, 1, 0x3b], [22, 4, 4, 0xb], [38, 4, 5, 0xc], [70, 5, 6, 0x1b], [134, 5, 7, 0x1c], [262, 6, 7, 0x3c], [390, 7, 8, 0x7d], [646, 6, 10, 0x3d], [-16, 9, 32, 0x1fe, "lower"], [1670, 9, 32, 0x1ff], [2, 0x1]];
- break;
- case 9:
- lines = [[-31, 8, 4, 0xfc], [-15, 9, 2, 0x1fc], [-11, 8, 2, 0xfd], [-7, 9, 1, 0x1fd], [-5, 7, 1, 0x7c], [-3, 4, 1, 0xa], [-1, 3, 1, 0x2], [1, 3, 1, 0x3], [3, 5, 1, 0x1a], [5, 6, 1, 0x3a], [7, 3, 5, 0x4], [39, 6, 2, 0x3b], [43, 4, 5, 0xb], [75, 4, 6, 0xc], [139, 5, 7, 0x1b], [267, 5, 8, 0x1c], [523, 6, 8, 0x3c], [779, 7, 9, 0x7d], [1291, 6, 11, 0x3d], [-32, 9, 32, 0x1fe, "lower"], [3339, 9, 32, 0x1ff], [2, 0x0]];
- break;
- case 10:
- lines = [[-21, 7, 4, 0x7a], [-5, 8, 0, 0xfc], [-4, 7, 0, 0x7b], [-3, 5, 0, 0x18], [-2, 2, 2, 0x0], [2, 5, 0, 0x19], [3, 6, 0, 0x36], [4, 7, 0, 0x7c], [5, 8, 0, 0xfd], [6, 2, 6, 0x1], [70, 5, 5, 0x1a], [102, 6, 5, 0x37], [134, 6, 6, 0x38], [198, 6, 7, 0x39], [326, 6, 8, 0x3a], [582, 6, 9, 0x3b], [1094, 6, 10, 0x3c], [2118, 7, 11, 0x7d], [-22, 8, 32, 0xfe, "lower"], [4166, 8, 32, 0xff], [2, 0x2]];
- break;
- case 11:
- lines = [[1, 1, 0, 0x0], [2, 2, 1, 0x2], [4, 4, 0, 0xc], [5, 4, 1, 0xd], [7, 5, 1, 0x1c], [9, 5, 2, 0x1d], [13, 6, 2, 0x3c], [17, 7, 2, 0x7a], [21, 7, 3, 0x7b], [29, 7, 4, 0x7c], [45, 7, 5, 0x7d], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
- break;
- case 12:
- lines = [[1, 1, 0, 0x0], [2, 2, 0, 0x2], [3, 3, 1, 0x6], [5, 5, 0, 0x1c], [6, 5, 1, 0x1d], [8, 6, 1, 0x3c], [10, 7, 0, 0x7a], [11, 7, 1, 0x7b], [13, 7, 2, 0x7c], [17, 7, 3, 0x7d], [25, 7, 4, 0x7e], [41, 8, 5, 0xfe], [73, 8, 32, 0xff]];
- break;
- case 13:
- lines = [[1, 1, 0, 0x0], [2, 3, 0, 0x4], [3, 4, 0, 0xc], [4, 5, 0, 0x1c], [5, 4, 1, 0xd], [7, 3, 3, 0x5], [15, 6, 1, 0x3a], [17, 6, 2, 0x3b], [21, 6, 3, 0x3c], [29, 6, 4, 0x3d], [45, 6, 5, 0x3e], [77, 7, 6, 0x7e], [141, 7, 32, 0x7f]];
- break;
- case 14:
- lines = [[-2, 3, 0, 0x4], [-1, 3, 0, 0x5], [0, 1, 0, 0x0], [1, 3, 0, 0x6], [2, 3, 0, 0x7]];
- break;
- case 15:
- lines = [[-24, 7, 4, 0x7c], [-8, 6, 2, 0x3c], [-4, 5, 1, 0x1c], [-2, 4, 0, 0xc], [-1, 3, 0, 0x4], [0, 1, 0, 0x0], [1, 3, 0, 0x5], [2, 4, 0, 0xd], [3, 5, 1, 0x1d], [5, 6, 2, 0x3d], [9, 7, 4, 0x7d], [-25, 7, 32, 0x7e, "lower"], [25, 7, 32, 0x7f]];
- break;
- default:
- throw new Jbig2Error("standard table B.".concat(number, " does not exist"));
- }
- for (var i = 0, ii = lines.length; i < ii; i++) {
- lines[i] = new HuffmanLine(lines[i]);
- }
- table = new HuffmanTable(lines, true);
- standardTablesCache[number] = table;
- return table;
- }
- var Reader = /*#__PURE__*/function () {
- function Reader(data, start, end) {
- _classCallCheck(this, Reader);
- this.data = data;
- this.start = start;
- this.end = end;
- this.position = start;
- this.shift = -1;
- this.currentByte = 0;
- }
- _createClass(Reader, [{
- key: "readBit",
- value: function readBit() {
- if (this.shift < 0) {
- if (this.position >= this.end) {
- throw new Jbig2Error("end of data while reading bit");
- }
- this.currentByte = this.data[this.position++];
- this.shift = 7;
- }
- var bit = this.currentByte >> this.shift & 1;
- this.shift--;
- return bit;
- }
- }, {
- key: "readBits",
- value: function readBits(numBits) {
- var result = 0,
- i;
- for (i = numBits - 1; i >= 0; i--) {
- result |= this.readBit() << i;
- }
- return result;
- }
- }, {
- key: "byteAlign",
- value: function byteAlign() {
- this.shift = -1;
- }
- }, {
- key: "next",
- value: function next() {
- if (this.position >= this.end) {
- return -1;
- }
- return this.data[this.position++];
- }
- }]);
- return Reader;
- }();
- function getCustomHuffmanTable(index, referredTo, customTables) {
- var currentIndex = 0;
- for (var i = 0, ii = referredTo.length; i < ii; i++) {
- var table = customTables[referredTo[i]];
- if (table) {
- if (index === currentIndex) {
- return table;
- }
- currentIndex++;
- }
- }
- throw new Jbig2Error("can't find custom Huffman table");
- }
- function getTextRegionHuffmanTables(textRegion, referredTo, customTables, numberOfSymbols, reader) {
- var codes = [];
- for (var i = 0; i <= 34; i++) {
- var codeLength = reader.readBits(4);
- codes.push(new HuffmanLine([i, codeLength, 0, 0]));
- }
- var runCodesTable = new HuffmanTable(codes, false);
- codes.length = 0;
- for (var _i3 = 0; _i3 < numberOfSymbols;) {
- var _codeLength = runCodesTable.decode(reader);
- if (_codeLength >= 32) {
- var repeatedLength = void 0,
- numberOfRepeats = void 0,
- j = void 0;
- switch (_codeLength) {
- case 32:
- if (_i3 === 0) {
- throw new Jbig2Error("no previous value in symbol ID table");
- }
- numberOfRepeats = reader.readBits(2) + 3;
- repeatedLength = codes[_i3 - 1].prefixLength;
- break;
- case 33:
- numberOfRepeats = reader.readBits(3) + 3;
- repeatedLength = 0;
- break;
- case 34:
- numberOfRepeats = reader.readBits(7) + 11;
- repeatedLength = 0;
- break;
- default:
- throw new Jbig2Error("invalid code length in symbol ID table");
- }
- for (j = 0; j < numberOfRepeats; j++) {
- codes.push(new HuffmanLine([_i3, repeatedLength, 0, 0]));
- _i3++;
- }
- } else {
- codes.push(new HuffmanLine([_i3, _codeLength, 0, 0]));
- _i3++;
- }
- }
- reader.byteAlign();
- var symbolIDTable = new HuffmanTable(codes, false);
- var customIndex = 0,
- tableFirstS,
- tableDeltaS,
- tableDeltaT;
- switch (textRegion.huffmanFS) {
- case 0:
- case 1:
- tableFirstS = getStandardTable(textRegion.huffmanFS + 6);
- break;
- case 3:
- tableFirstS = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- break;
- default:
- throw new Jbig2Error("invalid Huffman FS selector");
- }
- switch (textRegion.huffmanDS) {
- case 0:
- case 1:
- case 2:
- tableDeltaS = getStandardTable(textRegion.huffmanDS + 8);
- break;
- case 3:
- tableDeltaS = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- break;
- default:
- throw new Jbig2Error("invalid Huffman DS selector");
- }
- switch (textRegion.huffmanDT) {
- case 0:
- case 1:
- case 2:
- tableDeltaT = getStandardTable(textRegion.huffmanDT + 11);
- break;
- case 3:
- tableDeltaT = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- break;
- default:
- throw new Jbig2Error("invalid Huffman DT selector");
- }
- if (textRegion.refinement) {
- throw new Jbig2Error("refinement with Huffman is not supported");
- }
- return {
- symbolIDTable: symbolIDTable,
- tableFirstS: tableFirstS,
- tableDeltaS: tableDeltaS,
- tableDeltaT: tableDeltaT
- };
- }
- function getSymbolDictionaryHuffmanTables(dictionary, referredTo, customTables) {
- var customIndex = 0,
- tableDeltaHeight,
- tableDeltaWidth;
- switch (dictionary.huffmanDHSelector) {
- case 0:
- case 1:
- tableDeltaHeight = getStandardTable(dictionary.huffmanDHSelector + 4);
- break;
- case 3:
- tableDeltaHeight = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- break;
- default:
- throw new Jbig2Error("invalid Huffman DH selector");
- }
- switch (dictionary.huffmanDWSelector) {
- case 0:
- case 1:
- tableDeltaWidth = getStandardTable(dictionary.huffmanDWSelector + 2);
- break;
- case 3:
- tableDeltaWidth = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- break;
- default:
- throw new Jbig2Error("invalid Huffman DW selector");
- }
- var tableBitmapSize, tableAggregateInstances;
- if (dictionary.bitmapSizeSelector) {
- tableBitmapSize = getCustomHuffmanTable(customIndex, referredTo, customTables);
- customIndex++;
- } else {
- tableBitmapSize = getStandardTable(1);
- }
- if (dictionary.aggregationInstancesSelector) {
- tableAggregateInstances = getCustomHuffmanTable(customIndex, referredTo, customTables);
- } else {
- tableAggregateInstances = getStandardTable(1);
- }
- return {
- tableDeltaHeight: tableDeltaHeight,
- tableDeltaWidth: tableDeltaWidth,
- tableBitmapSize: tableBitmapSize,
- tableAggregateInstances: tableAggregateInstances
- };
- }
- function readUncompressedBitmap(reader, width, height) {
- var bitmap = [];
- for (var y = 0; y < height; y++) {
- var row = new Uint8Array(width);
- bitmap.push(row);
- for (var x = 0; x < width; x++) {
- row[x] = reader.readBit();
- }
- reader.byteAlign();
- }
- return bitmap;
- }
- function decodeMMRBitmap(input, width, height, endOfBlock) {
- var params = {
- K: -1,
- Columns: width,
- Rows: height,
- BlackIs1: true,
- EndOfBlock: endOfBlock
- };
- var decoder = new _ccitt.CCITTFaxDecoder(input, params);
- var bitmap = [];
- var currentByte,
- eof = false;
- for (var y = 0; y < height; y++) {
- var row = new Uint8Array(width);
- bitmap.push(row);
- var shift = -1;
- for (var x = 0; x < width; x++) {
- if (shift < 0) {
- currentByte = decoder.readNextChar();
- if (currentByte === -1) {
- currentByte = 0;
- eof = true;
- }
- shift = 7;
- }
- row[x] = currentByte >> shift & 1;
- shift--;
- }
- }
- if (endOfBlock && !eof) {
- var lookForEOFLimit = 5;
- for (var i = 0; i < lookForEOFLimit; i++) {
- if (decoder.readNextChar() === -1) {
- break;
- }
- }
- }
- return bitmap;
- }
- var Jbig2Image = /*#__PURE__*/function () {
- function Jbig2Image() {
- _classCallCheck(this, Jbig2Image);
- }
- _createClass(Jbig2Image, [{
- key: "parseChunks",
- value: function parseChunks(chunks) {
- return parseJbig2Chunks(chunks);
- }
- }, {
- key: "parse",
- value: function parse(data) {
- var _parseJbig = parseJbig2(data),
- imgData = _parseJbig.imgData,
- width = _parseJbig.width,
- height = _parseJbig.height;
- this.width = width;
- this.height = height;
- return imgData;
- }
- }]);
- return Jbig2Image;
- }();
- exports.Jbig2Image = Jbig2Image;
- /***/ }),
- /* 87 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.collectActions = collectActions;
- exports.encodeToXmlString = encodeToXmlString;
- exports.escapePDFName = escapePDFName;
- exports.getArrayLookupTableFactory = getArrayLookupTableFactory;
- exports.getInheritableProperty = getInheritableProperty;
- exports.getLookupTableFactory = getLookupTableFactory;
- exports.isWhiteSpace = isWhiteSpace;
- exports.log2 = log2;
- exports.parseXFAPath = parseXFAPath;
- exports.readInt8 = readInt8;
- exports.readUint16 = readUint16;
- exports.readUint32 = readUint32;
- exports.recoverJsURL = recoverJsURL;
- exports.toRomanNumerals = toRomanNumerals;
- exports.validateCSSFont = validateCSSFont;
- exports.XRefParseException = exports.XRefEntryException = exports.ParserEOFException = exports.MissingDataException = void 0;
- var _util = __w_pdfjs_require__(1);
- var _primitives = __w_pdfjs_require__(88);
- function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
- function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
- function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
- function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
- function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- function getLookupTableFactory(initializer) {
- var lookup;
- return function () {
- if (initializer) {
- lookup = Object.create(null);
- initializer(lookup);
- initializer = null;
- }
- return lookup;
- };
- }
- function getArrayLookupTableFactory(initializer) {
- var lookup;
- return function () {
- if (initializer) {
- var arr = initializer();
- initializer = null;
- lookup = Object.create(null);
- for (var i = 0, ii = arr.length; i < ii; i += 2) {
- lookup[arr[i]] = arr[i + 1];
- }
- arr = null;
- }
- return lookup;
- };
- }
- var MissingDataException = /*#__PURE__*/function (_BaseException) {
- _inherits(MissingDataException, _BaseException);
- var _super = _createSuper(MissingDataException);
- function MissingDataException(begin, end) {
- var _this;
- _classCallCheck(this, MissingDataException);
- _this = _super.call(this, "Missing data [".concat(begin, ", ").concat(end, ")"), "MissingDataException");
- _this.begin = begin;
- _this.end = end;
- return _this;
- }
- return MissingDataException;
- }(_util.BaseException);
- exports.MissingDataException = MissingDataException;
- var ParserEOFException = /*#__PURE__*/function (_BaseException2) {
- _inherits(ParserEOFException, _BaseException2);
- var _super2 = _createSuper(ParserEOFException);
- function ParserEOFException(msg) {
- _classCallCheck(this, ParserEOFException);
- return _super2.call(this, msg, "ParserEOFException");
- }
- return ParserEOFException;
- }(_util.BaseException);
- exports.ParserEOFException = ParserEOFException;
- var XRefEntryException = /*#__PURE__*/function (_BaseException3) {
- _inherits(XRefEntryException, _BaseException3);
- var _super3 = _createSuper(XRefEntryException);
- function XRefEntryException(msg) {
- _classCallCheck(this, XRefEntryException);
- return _super3.call(this, msg, "XRefEntryException");
- }
- return XRefEntryException;
- }(_util.BaseException);
- exports.XRefEntryException = XRefEntryException;
- var XRefParseException = /*#__PURE__*/function (_BaseException4) {
- _inherits(XRefParseException, _BaseException4);
- var _super4 = _createSuper(XRefParseException);
- function XRefParseException(msg) {
- _classCallCheck(this, XRefParseException);
- return _super4.call(this, msg, "XRefParseException");
- }
- return XRefParseException;
- }(_util.BaseException);
- exports.XRefParseException = XRefParseException;
- function getInheritableProperty(_ref) {
- var dict = _ref.dict,
- key = _ref.key,
- _ref$getArray = _ref.getArray,
- getArray = _ref$getArray === void 0 ? false : _ref$getArray,
- _ref$stopWhenFound = _ref.stopWhenFound,
- stopWhenFound = _ref$stopWhenFound === void 0 ? true : _ref$stopWhenFound;
- var values;
- var visited = new _primitives.RefSet();
- while (dict instanceof _primitives.Dict && !(dict.objId && visited.has(dict.objId))) {
- if (dict.objId) {
- visited.put(dict.objId);
- }
- var value = getArray ? dict.getArray(key) : dict.get(key);
- if (value !== undefined) {
- if (stopWhenFound) {
- return value;
- }
- if (!values) {
- values = [];
- }
- values.push(value);
- }
- dict = dict.get("Parent");
- }
- return values;
- }
- var ROMAN_NUMBER_MAP = ["", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM", "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC", "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"];
- function toRomanNumerals(number) {
- var lowerCase = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
- (0, _util.assert)(Number.isInteger(number) && number > 0, "The number should be a positive integer.");
- var romanBuf = [];
- var pos;
- while (number >= 1000) {
- number -= 1000;
- romanBuf.push("M");
- }
- pos = number / 100 | 0;
- number %= 100;
- romanBuf.push(ROMAN_NUMBER_MAP[pos]);
- pos = number / 10 | 0;
- number %= 10;
- romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
- romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
- var romanStr = romanBuf.join("");
- return lowerCase ? romanStr.toLowerCase() : romanStr;
- }
- function log2(x) {
- if (x <= 0) {
- return 0;
- }
- return Math.ceil(Math.log2(x));
- }
- function readInt8(data, offset) {
- return data[offset] << 24 >> 24;
- }
- function readUint16(data, offset) {
- return data[offset] << 8 | data[offset + 1];
- }
- function readUint32(data, offset) {
- return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
- }
- function isWhiteSpace(ch) {
- return ch === 0x20 || ch === 0x09 || ch === 0x0d || ch === 0x0a;
- }
- function parseXFAPath(path) {
- var positionPattern = /(.+)\[(\d+)\]$/;
- return path.split(".").map(function (component) {
- var m = component.match(positionPattern);
- if (m) {
- return {
- name: m[1],
- pos: parseInt(m[2], 10)
- };
- }
- return {
- name: component,
- pos: 0
- };
- });
- }
- function escapePDFName(str) {
- var buffer = [];
- var start = 0;
- for (var i = 0, ii = str.length; i < ii; i++) {
- var _char = str.charCodeAt(i);
- if (_char < 0x21 || _char > 0x7e || _char === 0x23 || _char === 0x28 || _char === 0x29 || _char === 0x3c || _char === 0x3e || _char === 0x5b || _char === 0x5d || _char === 0x7b || _char === 0x7d || _char === 0x2f || _char === 0x25) {
- if (start < i) {
- buffer.push(str.substring(start, i));
- }
- buffer.push("#".concat(_char.toString(16)));
- start = i + 1;
- }
- }
- if (buffer.length === 0) {
- return str;
- }
- if (start < str.length) {
- buffer.push(str.substring(start, str.length));
- }
- return buffer.join("");
- }
- function _collectJS(entry, xref, list, parents) {
- if (!entry) {
- return;
- }
- var parent = null;
- if ((0, _primitives.isRef)(entry)) {
- if (parents.has(entry)) {
- return;
- }
- parent = entry;
- parents.put(parent);
- entry = xref.fetch(entry);
- }
- if (Array.isArray(entry)) {
- var _iterator = _createForOfIteratorHelper(entry),
- _step;
- try {
- for (_iterator.s(); !(_step = _iterator.n()).done;) {
- var element = _step.value;
- _collectJS(element, xref, list, parents);
- }
- } catch (err) {
- _iterator.e(err);
- } finally {
- _iterator.f();
- }
- } else if (entry instanceof _primitives.Dict) {
- if ((0, _primitives.isName)(entry.get("S"), "JavaScript") && entry.has("JS")) {
- var js = entry.get("JS");
- var code;
- if ((0, _primitives.isStream)(js)) {
- code = js.getString();
- } else {
- code = js;
- }
- code = (0, _util.stringToPDFString)(code);
- if (code) {
- list.push(code);
- }
- }
- _collectJS(entry.getRaw("Next"), xref, list, parents);
- }
- if (parent) {
- parents.remove(parent);
- }
- }
- function collectActions(xref, dict, eventType) {
- var actions = Object.create(null);
- var additionalActionsDicts = getInheritableProperty({
- dict: dict,
- key: "AA",
- stopWhenFound: false
- });
- if (additionalActionsDicts) {
- for (var i = additionalActionsDicts.length - 1; i >= 0; i--) {
- var additionalActions = additionalActionsDicts[i];
- if (!(additionalActions instanceof _primitives.Dict)) {
- continue;
- }
- var _iterator2 = _createForOfIteratorHelper(additionalActions.getKeys()),
- _step2;
- try {
- for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
- var key = _step2.value;
- var action = eventType[key];
- if (!action) {
- continue;
- }
- var actionDict = additionalActions.getRaw(key);
- var parents = new _primitives.RefSet();
- var list = [];
- _collectJS(actionDict, xref, list, parents);
- if (list.length > 0) {
- actions[action] = list;
- }
- }
- } catch (err) {
- _iterator2.e(err);
- } finally {
- _iterator2.f();
- }
- }
- }
- if (dict.has("A")) {
- var _actionDict = dict.get("A");
- var _parents = new _primitives.RefSet();
- var _list = [];
- _collectJS(_actionDict, xref, _list, _parents);
- if (_list.length > 0) {
- actions.Action = _list;
- }
- }
- return (0, _util.objectSize)(actions) > 0 ? actions : null;
- }
- var XMLEntities = {
- 0x3c: "<",
- 0x3e: ">",
- 0x26: "&",
- 0x22: """,
- 0x27: "'"
- };
- function encodeToXmlString(str) {
- var buffer = [];
- var start = 0;
- for (var i = 0, ii = str.length; i < ii; i++) {
- var _char2 = str.codePointAt(i);
- if (0x20 <= _char2 && _char2 <= 0x7e) {
- var entity = XMLEntities[_char2];
- if (entity) {
- if (start < i) {
- buffer.push(str.substring(start, i));
- }
- buffer.push(entity);
- start = i + 1;
- }
- } else {
- if (start < i) {
- buffer.push(str.substring(start, i));
- }
- buffer.push("&#x".concat(_char2.toString(16).toUpperCase(), ";"));
- if (_char2 > 0xd7ff && (_char2 < 0xe000 || _char2 > 0xfffd)) {
- i++;
- }
- start = i + 1;
- }
- }
- if (buffer.length === 0) {
- return str;
- }
- if (start < str.length) {
- buffer.push(str.substring(start, str.length));
- }
- return buffer.join("");
- }
- function validateCSSFont(cssFontInfo) {
- var DEFAULT_CSS_FONT_OBLIQUE = "14";
- var DEFAULT_CSS_FONT_WEIGHT = "400";
- var CSS_FONT_WEIGHT_VALUES = new Set(["100", "200", "300", "400", "500", "600", "700", "800", "900", "1000", "normal", "bold", "bolder", "lighter"]);
- var fontFamily = cssFontInfo.fontFamily,
- fontWeight = cssFontInfo.fontWeight,
- italicAngle = cssFontInfo.italicAngle;
- if (/^".*"$/.test(fontFamily)) {
- if (/[^\\]"/.test(fontFamily.slice(1, fontFamily.length - 1))) {
- (0, _util.warn)("XFA - FontFamily contains some unescaped \": ".concat(fontFamily, "."));
- return false;
- }
- } else if (/^'.*'$/.test(fontFamily)) {
- if (/[^\\]'/.test(fontFamily.slice(1, fontFamily.length - 1))) {
- (0, _util.warn)("XFA - FontFamily contains some unescaped ': ".concat(fontFamily, "."));
- return false;
- }
- } else {
- var _iterator3 = _createForOfIteratorHelper(fontFamily.split(/[ \t]+/)),
- _step3;
- try {
- for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
- var ident = _step3.value;
- if (/^(\d|(-(\d|-)))/.test(ident) || !/^[\w-\\]+$/.test(ident)) {
- (0, _util.warn)("XFA - FontFamily contains some invalid <custom-ident>: ".concat(fontFamily, "."));
- return false;
- }
- }
- } catch (err) {
- _iterator3.e(err);
- } finally {
- _iterator3.f();
- }
- }
- var weight = fontWeight ? fontWeight.toString() : "";
- cssFontInfo.fontWeight = CSS_FONT_WEIGHT_VALUES.has(weight) ? weight : DEFAULT_CSS_FONT_WEIGHT;
- var angle = parseFloat(italicAngle);
- cssFontInfo.italicAngle = isNaN(angle) || angle < -90 || angle > 90 ? DEFAULT_CSS_FONT_OBLIQUE : italicAngle.toString();
- return true;
- }
- function recoverJsURL(str) {
- var URL_OPEN_METHODS = ["app.launchURL", "window.open", "xfa.host.gotoURL"];
- var regex = new RegExp("^\\s*(" + URL_OPEN_METHODS.join("|").split(".").join("\\.") + ")\\((?:'|\")([^'\"]*)(?:'|\")(?:,\\s*(\\w+)\\)|\\))", "i");
- var jsUrl = regex.exec(str);
- if (jsUrl && jsUrl[2]) {
- var url = jsUrl[2];
- var newWindow = false;
- if (jsUrl[3] === "true" && jsUrl[1] === "app.launchURL") {
- newWindow = true;
- }
- return {
- url: url,
- newWindow: newWindow
- };
- }
- return null;
- }
- /***/ }),
- /* 88 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.clearPrimitiveCaches = clearPrimitiveCaches;
- exports.isCmd = isCmd;
- exports.isDict = isDict;
- exports.isName = isName;
- exports.isRef = isRef;
- exports.isRefsEqual = isRefsEqual;
- exports.isStream = isStream;
- exports.RefSetCache = exports.RefSet = exports.Ref = exports.Name = exports.EOF = exports.Dict = exports.Cmd = void 0;
- var _regenerator = _interopRequireDefault(__w_pdfjs_require__(89));
- var _util = __w_pdfjs_require__(1);
- var _base_stream = __w_pdfjs_require__(91);
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
- function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
- function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
- function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
- function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
- function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e2) { throw _e2; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e3) { didErr = true; err = _e3; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
- function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
- function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
- function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
- function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- var EOF = Symbol("EOF");
- exports.EOF = EOF;
- var Name = function NameClosure() {
- var nameCache = Object.create(null);
- var Name = /*#__PURE__*/function () {
- function Name(name) {
- _classCallCheck(this, Name);
- this.name = name;
- }
- _createClass(Name, null, [{
- key: "get",
- value: function get(name) {
- var nameValue = nameCache[name];
- return nameValue ? nameValue : nameCache[name] = new Name(name);
- }
- }, {
- key: "_clearCache",
- value: function _clearCache() {
- nameCache = Object.create(null);
- }
- }]);
- return Name;
- }();
- return Name;
- }();
- exports.Name = Name;
- var Cmd = function CmdClosure() {
- var cmdCache = Object.create(null);
- var Cmd = /*#__PURE__*/function () {
- function Cmd(cmd) {
- _classCallCheck(this, Cmd);
- this.cmd = cmd;
- }
- _createClass(Cmd, null, [{
- key: "get",
- value: function get(cmd) {
- var cmdValue = cmdCache[cmd];
- return cmdValue ? cmdValue : cmdCache[cmd] = new Cmd(cmd);
- }
- }, {
- key: "_clearCache",
- value: function _clearCache() {
- cmdCache = Object.create(null);
- }
- }]);
- return Cmd;
- }();
- return Cmd;
- }();
- exports.Cmd = Cmd;
- var nonSerializable = function nonSerializableClosure() {
- return nonSerializable;
- };
- var Dict = /*#__PURE__*/function () {
- function Dict() {
- var xref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
- _classCallCheck(this, Dict);
- this._map = Object.create(null);
- this.xref = xref;
- this.objId = null;
- this.suppressEncryption = false;
- this.__nonSerializable__ = nonSerializable;
- }
- _createClass(Dict, [{
- key: "assignXref",
- value: function assignXref(newXref) {
- this.xref = newXref;
- }
- }, {
- key: "size",
- get: function get() {
- return Object.keys(this._map).length;
- }
- }, {
- key: "get",
- value: function get(key1, key2, key3) {
- var value = this._map[key1];
- if (value === undefined && key2 !== undefined) {
- value = this._map[key2];
- if (value === undefined && key3 !== undefined) {
- value = this._map[key3];
- }
- }
- if (value instanceof Ref && this.xref) {
- return this.xref.fetch(value, this.suppressEncryption);
- }
- return value;
- }
- }, {
- key: "getAsync",
- value: function () {
- var _getAsync = _asyncToGenerator( /*#__PURE__*/_regenerator["default"].mark(function _callee(key1, key2, key3) {
- var value;
- return _regenerator["default"].wrap(function _callee$(_context) {
- while (1) {
- switch (_context.prev = _context.next) {
- case 0:
- value = this._map[key1];
- if (value === undefined && key2 !== undefined) {
- value = this._map[key2];
- if (value === undefined && key3 !== undefined) {
- value = this._map[key3];
- }
- }
- if (!(value instanceof Ref && this.xref)) {
- _context.next = 4;
- break;
- }
- return _context.abrupt("return", this.xref.fetchAsync(value, this.suppressEncryption));
- case 4:
- return _context.abrupt("return", value);
- case 5:
- case "end":
- return _context.stop();
- }
- }
- }, _callee, this);
- }));
- function getAsync(_x, _x2, _x3) {
- return _getAsync.apply(this, arguments);
- }
- return getAsync;
- }()
- }, {
- key: "getArray",
- value: function getArray(key1, key2, key3) {
- var value = this._map[key1];
- if (value === undefined && key2 !== undefined) {
- value = this._map[key2];
- if (value === undefined && key3 !== undefined) {
- value = this._map[key3];
- }
- }
- if (value instanceof Ref && this.xref) {
- value = this.xref.fetch(value, this.suppressEncryption);
- }
- if (Array.isArray(value)) {
- value = value.slice();
- for (var i = 0, ii = value.length; i < ii; i++) {
- if (value[i] instanceof Ref && this.xref) {
- value[i] = this.xref.fetch(value[i], this.suppressEncryption);
- }
- }
- }
- return value;
- }
- }, {
- key: "getRaw",
- value: function getRaw(key) {
- return this._map[key];
- }
- }, {
- key: "getKeys",
- value: function getKeys() {
- return Object.keys(this._map);
- }
- }, {
- key: "getRawValues",
- value: function getRawValues() {
- return Object.values(this._map);
- }
- }, {
- key: "set",
- value: function set(key, value) {
- this._map[key] = value;
- }
- }, {
- key: "has",
- value: function has(key) {
- return this._map[key] !== undefined;
- }
- }, {
- key: "forEach",
- value: function forEach(callback) {
- for (var key in this._map) {
- callback(key, this.get(key));
- }
- }
- }], [{
- key: "empty",
- get: function get() {
- var emptyDict = new Dict(null);
- emptyDict.set = function (key, value) {
- (0, _util.unreachable)("Should not call `set` on the empty dictionary.");
- };
- return (0, _util.shadow)(this, "empty", emptyDict);
- }
- }, {
- key: "merge",
- value: function merge(_ref) {
- var xref = _ref.xref,
- dictArray = _ref.dictArray,
- _ref$mergeSubDicts = _ref.mergeSubDicts,
- mergeSubDicts = _ref$mergeSubDicts === void 0 ? false : _ref$mergeSubDicts;
- var mergedDict = new Dict(xref),
- properties = new Map();
- var _iterator = _createForOfIteratorHelper(dictArray),
- _step;
- try {
- for (_iterator.s(); !(_step = _iterator.n()).done;) {
- var dict = _step.value;
- if (!(dict instanceof Dict)) {
- continue;
- }
- for (var _i = 0, _Object$entries = Object.entries(dict._map); _i < _Object$entries.length; _i++) {
- var _Object$entries$_i = _slicedToArray(_Object$entries[_i], 2),
- key = _Object$entries$_i[0],
- value = _Object$entries$_i[1];
- var property = properties.get(key);
- if (property === undefined) {
- property = [];
- properties.set(key, property);
- } else if (!mergeSubDicts || !(value instanceof Dict)) {
- continue;
- }
- property.push(value);
- }
- }
- } catch (err) {
- _iterator.e(err);
- } finally {
- _iterator.f();
- }
- var _iterator2 = _createForOfIteratorHelper(properties),
- _step2;
- try {
- for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
- var _step2$value = _slicedToArray(_step2.value, 2),
- name = _step2$value[0],
- values = _step2$value[1];
- if (values.length === 1 || !(values[0] instanceof Dict)) {
- mergedDict._map[name] = values[0];
- continue;
- }
- var subDict = new Dict(xref);
- var _iterator3 = _createForOfIteratorHelper(values),
- _step3;
- try {
- for (_iterator3.s(); !(_step3 = _iterator3.n()).done;) {
- var _dict = _step3.value;
- for (var _i2 = 0, _Object$entries2 = Object.entries(_dict._map); _i2 < _Object$entries2.length; _i2++) {
- var _Object$entries2$_i = _slicedToArray(_Object$entries2[_i2], 2),
- _key = _Object$entries2$_i[0],
- _value = _Object$entries2$_i[1];
- if (subDict._map[_key] === undefined) {
- subDict._map[_key] = _value;
- }
- }
- }
- } catch (err) {
- _iterator3.e(err);
- } finally {
- _iterator3.f();
- }
- if (subDict.size > 0) {
- mergedDict._map[name] = subDict;
- }
- }
- } catch (err) {
- _iterator2.e(err);
- } finally {
- _iterator2.f();
- }
- properties.clear();
- return mergedDict.size > 0 ? mergedDict : Dict.empty;
- }
- }]);
- return Dict;
- }();
- exports.Dict = Dict;
- var Ref = function RefClosure() {
- var refCache = Object.create(null);
- var Ref = /*#__PURE__*/function () {
- function Ref(num, gen) {
- _classCallCheck(this, Ref);
- this.num = num;
- this.gen = gen;
- }
- _createClass(Ref, [{
- key: "toString",
- value: function toString() {
- if (this.gen === 0) {
- return "".concat(this.num, "R");
- }
- return "".concat(this.num, "R").concat(this.gen);
- }
- }], [{
- key: "get",
- value: function get(num, gen) {
- var key = gen === 0 ? "".concat(num, "R") : "".concat(num, "R").concat(gen);
- var refValue = refCache[key];
- return refValue ? refValue : refCache[key] = new Ref(num, gen);
- }
- }, {
- key: "_clearCache",
- value: function _clearCache() {
- refCache = Object.create(null);
- }
- }]);
- return Ref;
- }();
- return Ref;
- }();
- exports.Ref = Ref;
- var RefSet = /*#__PURE__*/function () {
- function RefSet() {
- var parent = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
- _classCallCheck(this, RefSet);
- this._set = new Set(parent && parent._set);
- }
- _createClass(RefSet, [{
- key: "has",
- value: function has(ref) {
- return this._set.has(ref.toString());
- }
- }, {
- key: "put",
- value: function put(ref) {
- this._set.add(ref.toString());
- }
- }, {
- key: "remove",
- value: function remove(ref) {
- this._set["delete"](ref.toString());
- }
- }, {
- key: "forEach",
- value: function forEach(callback) {
- var _iterator4 = _createForOfIteratorHelper(this._set.values()),
- _step4;
- try {
- for (_iterator4.s(); !(_step4 = _iterator4.n()).done;) {
- var ref = _step4.value;
- callback(ref);
- }
- } catch (err) {
- _iterator4.e(err);
- } finally {
- _iterator4.f();
- }
- }
- }, {
- key: "clear",
- value: function clear() {
- this._set.clear();
- }
- }]);
- return RefSet;
- }();
- exports.RefSet = RefSet;
- var RefSetCache = /*#__PURE__*/function () {
- function RefSetCache() {
- _classCallCheck(this, RefSetCache);
- this._map = new Map();
- }
- _createClass(RefSetCache, [{
- key: "size",
- get: function get() {
- return this._map.size;
- }
- }, {
- key: "get",
- value: function get(ref) {
- return this._map.get(ref.toString());
- }
- }, {
- key: "has",
- value: function has(ref) {
- return this._map.has(ref.toString());
- }
- }, {
- key: "put",
- value: function put(ref, obj) {
- this._map.set(ref.toString(), obj);
- }
- }, {
- key: "putAlias",
- value: function putAlias(ref, aliasRef) {
- this._map.set(ref.toString(), this.get(aliasRef));
- }
- }, {
- key: "forEach",
- value: function forEach(callback) {
- var _iterator5 = _createForOfIteratorHelper(this._map.values()),
- _step5;
- try {
- for (_iterator5.s(); !(_step5 = _iterator5.n()).done;) {
- var value = _step5.value;
- callback(value);
- }
- } catch (err) {
- _iterator5.e(err);
- } finally {
- _iterator5.f();
- }
- }
- }, {
- key: "clear",
- value: function clear() {
- this._map.clear();
- }
- }]);
- return RefSetCache;
- }();
- exports.RefSetCache = RefSetCache;
- function isName(v, name) {
- return v instanceof Name && (name === undefined || v.name === name);
- }
- function isCmd(v, cmd) {
- return v instanceof Cmd && (cmd === undefined || v.cmd === cmd);
- }
- function isDict(v, type) {
- return v instanceof Dict && (type === undefined || isName(v.get("Type"), type));
- }
- function isRef(v) {
- return v instanceof Ref;
- }
- function isRefsEqual(v1, v2) {
- return v1.num === v2.num && v1.gen === v2.gen;
- }
- function isStream(v) {
- return v instanceof _base_stream.BaseStream;
- }
- function clearPrimitiveCaches() {
- Cmd._clearCache();
- Name._clearCache();
- Ref._clearCache();
- }
- /***/ }),
- /* 89 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- module.exports = __w_pdfjs_require__(90);
- /***/ }),
- /* 90 */
- /***/ ((module, __unused_webpack_exports, __w_pdfjs_require__) => {
- "use strict";
- /* module decorator */ module = __w_pdfjs_require__.nmd(module);
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- var runtime = function (exports) {
- "use strict";
- var Op = Object.prototype;
- var hasOwn = Op.hasOwnProperty;
- var undefined;
- var $Symbol = typeof Symbol === "function" ? Symbol : {};
- var iteratorSymbol = $Symbol.iterator || "@@iterator";
- var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
- var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
- function define(obj, key, value) {
- Object.defineProperty(obj, key, {
- value: value,
- enumerable: true,
- configurable: true,
- writable: true
- });
- return obj[key];
- }
- try {
- define({}, "");
- } catch (err) {
- define = function define(obj, key, value) {
- return obj[key] = value;
- };
- }
- function wrap(innerFn, outerFn, self, tryLocsList) {
- var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
- var generator = Object.create(protoGenerator.prototype);
- var context = new Context(tryLocsList || []);
- generator._invoke = makeInvokeMethod(innerFn, self, context);
- return generator;
- }
- exports.wrap = wrap;
- function tryCatch(fn, obj, arg) {
- try {
- return {
- type: "normal",
- arg: fn.call(obj, arg)
- };
- } catch (err) {
- return {
- type: "throw",
- arg: err
- };
- }
- }
- var GenStateSuspendedStart = "suspendedStart";
- var GenStateSuspendedYield = "suspendedYield";
- var GenStateExecuting = "executing";
- var GenStateCompleted = "completed";
- var ContinueSentinel = {};
- function Generator() {}
- function GeneratorFunction() {}
- function GeneratorFunctionPrototype() {}
- var IteratorPrototype = {};
- define(IteratorPrototype, iteratorSymbol, function () {
- return this;
- });
- var getProto = Object.getPrototypeOf;
- var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
- if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
- IteratorPrototype = NativeIteratorPrototype;
- }
- var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
- GeneratorFunction.prototype = GeneratorFunctionPrototype;
- define(Gp, "constructor", GeneratorFunctionPrototype);
- define(GeneratorFunctionPrototype, "constructor", GeneratorFunction);
- GeneratorFunction.displayName = define(GeneratorFunctionPrototype, toStringTagSymbol, "GeneratorFunction");
- function defineIteratorMethods(prototype) {
- ["next", "throw", "return"].forEach(function (method) {
- define(prototype, method, function (arg) {
- return this._invoke(method, arg);
- });
- });
- }
- exports.isGeneratorFunction = function (genFun) {
- var ctor = typeof genFun === "function" && genFun.constructor;
- return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
- };
- exports.mark = function (genFun) {
- if (Object.setPrototypeOf) {
- Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
- } else {
- genFun.__proto__ = GeneratorFunctionPrototype;
- define(genFun, toStringTagSymbol, "GeneratorFunction");
- }
- genFun.prototype = Object.create(Gp);
- return genFun;
- };
- exports.awrap = function (arg) {
- return {
- __await: arg
- };
- };
- function AsyncIterator(generator, PromiseImpl) {
- function invoke(method, arg, resolve, reject) {
- var record = tryCatch(generator[method], generator, arg);
- if (record.type === "throw") {
- reject(record.arg);
- } else {
- var result = record.arg;
- var value = result.value;
- if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
- return PromiseImpl.resolve(value.__await).then(function (value) {
- invoke("next", value, resolve, reject);
- }, function (err) {
- invoke("throw", err, resolve, reject);
- });
- }
- return PromiseImpl.resolve(value).then(function (unwrapped) {
- result.value = unwrapped;
- resolve(result);
- }, function (error) {
- return invoke("throw", error, resolve, reject);
- });
- }
- }
- var previousPromise;
- function enqueue(method, arg) {
- function callInvokeWithMethodAndArg() {
- return new PromiseImpl(function (resolve, reject) {
- invoke(method, arg, resolve, reject);
- });
- }
- return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
- }
- this._invoke = enqueue;
- }
- defineIteratorMethods(AsyncIterator.prototype);
- define(AsyncIterator.prototype, asyncIteratorSymbol, function () {
- return this;
- });
- exports.AsyncIterator = AsyncIterator;
- exports.async = function (innerFn, outerFn, self, tryLocsList, PromiseImpl) {
- if (PromiseImpl === void 0) PromiseImpl = Promise;
- var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList), PromiseImpl);
- return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
- return result.done ? result.value : iter.next();
- });
- };
- function makeInvokeMethod(innerFn, self, context) {
- var state = GenStateSuspendedStart;
- return function invoke(method, arg) {
- if (state === GenStateExecuting) {
- throw new Error("Generator is already running");
- }
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- /* 91 */
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- (0, _util.unreachable)("Cannot initialize BaseStream.");
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- }
- _createClass(BaseStream, [{
- key: "length",
- get: function get() {
- (0, _util.unreachable)("Abstract getter `length` accessed");
- }
- }, {
- key: "isEmpty",
- get: function get() {
- (0, _util.unreachable)("Abstract getter `isEmpty` accessed");
- }
- }, {
- key: "isDataLoaded",
- get: function get() {
- return (0, _util.shadow)(this, "isDataLoaded", true);
- }
- }, {
- key: "getByte",
- value: function getByte() {
- (0, _util.unreachable)("Abstract method `getByte` called");
- }
- }, {
- key: "getBytes",
- value: function getBytes(length) {
- var forceClamped = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
- (0, _util.unreachable)("Abstract method `getBytes` called");
- }
- }, {
- key: "peekByte",
- value: function peekByte() {
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- if (peekedByte !== -1) {
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- }
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- }
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- key: "peekBytes",
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- var bytes = this.getBytes(length, forceClamped);
- this.pos -= bytes.length;
- return bytes;
- }
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- }
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- key: "getByteRange",
- value: function getByteRange(begin, end) {
- (0, _util.unreachable)("Abstract method `getByteRange` called");
- }
- }, {
- key: "getString",
- value: function getString(length) {
- return (0, _util.bytesToString)(this.getBytes(length, false));
- }
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- key: "skip",
- value: function skip(n) {
- this.pos += n || 1;
- }
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- key: "reset",
- value: function reset() {
- (0, _util.unreachable)("Abstract method `reset` called");
- }
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- (0, _util.unreachable)("Abstract method `moveStart` called");
- }
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- key: "makeSubStream",
- value: function makeSubStream(start, length) {
- var dict = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
- (0, _util.unreachable)("Abstract method `makeSubStream` called");
- }
- }, {
- key: "getBaseStreams",
- value: function getBaseStreams() {
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- return BaseStream;
- }();
- exports.BaseStream = BaseStream;
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- /* 92 */
- /***/ ((__unused_webpack_module, exports) => {
- "use strict";
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.ArithmeticDecoder = void 0;
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- var QeTable = [{
- qe: 0x5601,
- nmps: 1,
- nlps: 1,
- switchFlag: 1
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- }
- _createClass(ArithmeticDecoder, [{
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- this.bp = bp;
- }
- } else {
- bp++;
- this.clow += bp < this.dataEnd ? data[bp] << 8 : 0xff00;
- this.ct = 8;
- this.bp = bp;
- }
- if (this.clow > 0xffff) {
- this.chigh += this.clow >> 16;
- this.clow &= 0xffff;
- }
- }
- }, {
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- value: function readBit(contexts, pos) {
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- var qeIcx = qeTableIcx.qe;
- var d;
- var a = this.a - qeIcx;
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- if (a < qeIcx) {
- a = qeIcx;
- d = cx_mps;
- cx_index = qeTableIcx.nmps;
- } else {
- a = qeIcx;
- d = 1 ^ cx_mps;
- if (qeTableIcx.switchFlag === 1) {
- cx_mps = d;
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- cx_index = qeTableIcx.nlps;
- }
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- this.chigh -= qeIcx;
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- return cx_mps;
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- d = 1 ^ cx_mps;
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- cx_mps = d;
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- cx_index = qeTableIcx.nlps;
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- cx_index = qeTableIcx.nmps;
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- do {
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- this.clow = this.clow << 1 & 0xffff;
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- /***/ }),
- /* 93 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.CCITTFaxDecoder = void 0;
- var _util = __w_pdfjs_require__(1);
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- var ccittEOL = -2;
- var ccittEOF = -1;
- var twoDimPass = 0;
- var twoDimHoriz = 1;
- var twoDimVert0 = 2;
- var twoDimVertR1 = 3;
- var twoDimVertL1 = 4;
- var twoDimVertR2 = 5;
- var twoDimVertL2 = 6;
- var twoDimVertR3 = 7;
- var twoDimVertL3 = 8;
- var twoDimTable = [[-1, -1], [-1, -1], [7, twoDimVertL3], [7, twoDimVertR3], [6, twoDimVertL2], [6, twoDimVertL2], [6, twoDimVertR2], [6, twoDimVertR2], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [4, twoDimPass], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimHoriz], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertL1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [3, twoDimVertR1], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0], [1, twoDimVert0]];
- var whiteTable1 = [[-1, -1], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [12, 1984], [12, 2048], [12, 2112], [12, 2176], [12, 2240], [12, 2304], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [12, 2368], [12, 2432], [12, 2496], [12, 2560]];
- var whiteTable2 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [8, 29], [8, 29], [8, 30], [8, 30], [8, 45], [8, 45], [8, 46], [8, 46], [7, 22], [7, 22], [7, 22], [7, 22], [7, 23], [7, 23], [7, 23], [7, 23], [8, 47], [8, 47], [8, 48], [8, 48], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [6, 13], [7, 20], [7, 20], [7, 20], [7, 20], [8, 33], [8, 33], [8, 34], [8, 34], [8, 35], [8, 35], [8, 36], [8, 36], [8, 37], [8, 37], [8, 38], [8, 38], [7, 19], [7, 19], [7, 19], [7, 19], [8, 31], [8, 31], [8, 32], [8, 32], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 1], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [6, 12], [8, 53], [8, 53], [8, 54], [8, 54], [7, 26], [7, 26], [7, 26], [7, 26], [8, 39], [8, 39], [8, 40], [8, 40], [8, 41], [8, 41], [8, 42], [8, 42], [8, 43], [8, 43], [8, 44], [8, 44], [7, 21], [7, 21], [7, 21], [7, 21], [7, 28], [7, 28], [7, 28], [7, 28], [8, 61], [8, 61], [8, 62], [8, 62], [8, 63], [8, 63], [8, 0], [8, 0], [8, 320], [8, 320], [8, 384], [8, 384], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 10], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [5, 11], [7, 27], [7, 27], [7, 27], [7, 27], [8, 59], [8, 59], [8, 60], [8, 60], [9, 1472], [9, 1536], [9, 1600], [9, 1728], [7, 18], [7, 18], [7, 18], [7, 18], [7, 24], [7, 24], [7, 24], [7, 24], [8, 49], [8, 49], [8, 50], [8, 50], [8, 51], [8, 51], [8, 52], [8, 52], [7, 25], [7, 25], [7, 25], [7, 25], [8, 55], [8, 55], [8, 56], [8, 56], [8, 57], [8, 57], [8, 58], [8, 58], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 192], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [6, 1664], [8, 448], [8, 448], [8, 512], [8, 512], [9, 704], [9, 768], [8, 640], [8, 640], [8, 576], [8, 576], [9, 832], [9, 896], [9, 960], [9, 1024], [9, 1088], [9, 1152], [9, 1216], [9, 1280], [9, 1344], [9, 1408], [7, 256], [7, 256], [7, 256], [7, 256], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 2], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [4, 3], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 128], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 8], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [5, 9], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 16], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [6, 17], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 4], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [4, 5], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 14], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [6, 15], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [5, 64], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 6], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7], [4, 7]];
- var blackTable1 = [[-1, -1], [-1, -1], [12, ccittEOL], [12, ccittEOL], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [-1, -1], [11, 1792], [11, 1792], [11, 1792], [11, 1792], [12, 1984], [12, 1984], [12, 2048], [12, 2048], [12, 2112], [12, 2112], [12, 2176], [12, 2176], [12, 2240], [12, 2240], [12, 2304], [12, 2304], [11, 1856], [11, 1856], [11, 1856], [11, 1856], [11, 1920], [11, 1920], [11, 1920], [11, 1920], [12, 2368], [12, 2368], [12, 2432], [12, 2432], [12, 2496], [12, 2496], [12, 2560], [12, 2560], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [10, 18], [12, 52], [12, 52], [13, 640], [13, 704], [13, 768], [13, 832], [12, 55], [12, 55], [12, 56], [12, 56], [13, 1280], [13, 1344], [13, 1408], [13, 1472], [12, 59], [12, 59], [12, 60], [12, 60], [13, 1536], [13, 1600], [11, 24], [11, 24], [11, 24], [11, 24], [11, 25], [11, 25], [11, 25], [11, 25], [13, 1664], [13, 1728], [12, 320], [12, 320], [12, 384], [12, 384], [12, 448], [12, 448], [13, 512], [13, 576], [12, 53], [12, 53], [12, 54], [12, 54], [13, 896], [13, 960], [13, 1024], [13, 1088], [13, 1152], [13, 1216], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64], [10, 64]];
- var blackTable2 = [[8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [8, 13], [11, 23], [11, 23], [12, 50], [12, 51], [12, 44], [12, 45], [12, 46], [12, 47], [12, 57], [12, 58], [12, 61], [12, 256], [10, 16], [10, 16], [10, 16], [10, 16], [10, 17], [10, 17], [10, 17], [10, 17], [12, 48], [12, 49], [12, 62], [12, 63], [12, 30], [12, 31], [12, 32], [12, 33], [12, 40], [12, 41], [11, 22], [11, 22], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [8, 14], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 10], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [7, 11], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [9, 15], [12, 128], [12, 192], [12, 26], [12, 27], [12, 28], [12, 29], [11, 19], [11, 19], [11, 20], [11, 20], [12, 34], [12, 35], [12, 36], [12, 37], [12, 38], [12, 39], [11, 21], [11, 21], [12, 42], [12, 43], [10, 0], [10, 0], [10, 0], [10, 0], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12], [7, 12]];
- var blackTable3 = [[-1, -1], [-1, -1], [-1, -1], [-1, -1], [6, 9], [6, 8], [5, 7], [5, 7], [4, 6], [4, 6], [4, 6], [4, 6], [4, 5], [4, 5], [4, 5], [4, 5], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 1], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [3, 4], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 3], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2], [2, 2]];
- var CCITTFaxDecoder = /*#__PURE__*/function () {
- function CCITTFaxDecoder(source) {
- var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- _classCallCheck(this, CCITTFaxDecoder);
- if (!source || typeof source.next !== "function") {
- throw new Error('CCITTFaxDecoder - invalid "source" parameter.');
- }
- this.source = source;
- this.eof = false;
- this.encoding = options.K || 0;
- this.eoline = options.EndOfLine || false;
- this.byteAlign = options.EncodedByteAlign || false;
- this.columns = options.Columns || 1728;
- this.rows = options.Rows || 0;
- var eoblock = options.EndOfBlock;
- if (eoblock === null || eoblock === undefined) {
- eoblock = true;
- }
- this.eoblock = eoblock;
- this.black = options.BlackIs1 || false;
- this.codingLine = new Uint32Array(this.columns + 1);
- this.refLine = new Uint32Array(this.columns + 2);
- this.codingLine[0] = this.columns;
- this.codingPos = 0;
- this.row = 0;
- this.nextLine2D = this.encoding < 0;
- this.inputBits = 0;
- this.inputBuf = 0;
- this.outputBits = 0;
- this.rowsDone = false;
- var code1;
- while ((code1 = this._lookBits(12)) === 0) {
- this._eatBits(1);
- }
- if (code1 === 1) {
- this._eatBits(12);
- }
- if (this.encoding > 0) {
- this.nextLine2D = !this._lookBits(1);
- this._eatBits(1);
- }
- }
- _createClass(CCITTFaxDecoder, [{
- key: "readNextChar",
- value: function readNextChar() {
- if (this.eof) {
- return -1;
- }
- var refLine = this.refLine;
- var codingLine = this.codingLine;
- var columns = this.columns;
- var refPos, blackPixels, bits, i;
- if (this.outputBits === 0) {
- if (this.rowsDone) {
- this.eof = true;
- }
- if (this.eof) {
- return -1;
- }
- this.err = false;
- var code1, code2, code3;
- if (this.nextLine2D) {
- for (i = 0; codingLine[i] < columns; ++i) {
- refLine[i] = codingLine[i];
- }
- refLine[i++] = columns;
- refLine[i] = columns;
- codingLine[0] = 0;
- this.codingPos = 0;
- refPos = 0;
- blackPixels = 0;
- while (codingLine[this.codingPos] < columns) {
- code1 = this._getTwoDimCode();
- switch (code1) {
- case twoDimPass:
- this._addPixels(refLine[refPos + 1], blackPixels);
- if (refLine[refPos + 1] < columns) {
- refPos += 2;
- }
- break;
- case twoDimHoriz:
- code1 = code2 = 0;
- if (blackPixels) {
- do {
- code1 += code3 = this._getBlackCode();
- } while (code3 >= 64);
- do {
- code2 += code3 = this._getWhiteCode();
- } while (code3 >= 64);
- } else {
- do {
- code1 += code3 = this._getWhiteCode();
- } while (code3 >= 64);
- do {
- code2 += code3 = this._getBlackCode();
- } while (code3 >= 64);
- }
- this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
- if (codingLine[this.codingPos] < columns) {
- this._addPixels(codingLine[this.codingPos] + code2, blackPixels ^ 1);
- }
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- break;
- case twoDimVertR3:
- this._addPixels(refLine[refPos] + 3, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- ++refPos;
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVertR2:
- this._addPixels(refLine[refPos] + 2, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- ++refPos;
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVertR1:
- this._addPixels(refLine[refPos] + 1, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- ++refPos;
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVert0:
- this._addPixels(refLine[refPos], blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- ++refPos;
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVertL3:
- this._addPixelsNeg(refLine[refPos] - 3, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- if (refPos > 0) {
- --refPos;
- } else {
- ++refPos;
- }
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVertL2:
- this._addPixelsNeg(refLine[refPos] - 2, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- if (refPos > 0) {
- --refPos;
- } else {
- ++refPos;
- }
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case twoDimVertL1:
- this._addPixelsNeg(refLine[refPos] - 1, blackPixels);
- blackPixels ^= 1;
- if (codingLine[this.codingPos] < columns) {
- if (refPos > 0) {
- --refPos;
- } else {
- ++refPos;
- }
- while (refLine[refPos] <= codingLine[this.codingPos] && refLine[refPos] < columns) {
- refPos += 2;
- }
- }
- break;
- case ccittEOF:
- this._addPixels(columns, 0);
- this.eof = true;
- break;
- default:
- (0, _util.info)("bad 2d code");
- this._addPixels(columns, 0);
- this.err = true;
- }
- }
- } else {
- codingLine[0] = 0;
- this.codingPos = 0;
- blackPixels = 0;
- while (codingLine[this.codingPos] < columns) {
- code1 = 0;
- if (blackPixels) {
- do {
- code1 += code3 = this._getBlackCode();
- } while (code3 >= 64);
- } else {
- do {
- code1 += code3 = this._getWhiteCode();
- } while (code3 >= 64);
- }
- this._addPixels(codingLine[this.codingPos] + code1, blackPixels);
- blackPixels ^= 1;
- }
- }
- var gotEOL = false;
- if (this.byteAlign) {
- this.inputBits &= ~7;
- }
- if (!this.eoblock && this.row === this.rows - 1) {
- this.rowsDone = true;
- } else {
- code1 = this._lookBits(12);
- if (this.eoline) {
- while (code1 !== ccittEOF && code1 !== 1) {
- this._eatBits(1);
- code1 = this._lookBits(12);
- }
- } else {
- while (code1 === 0) {
- this._eatBits(1);
- code1 = this._lookBits(12);
- }
- }
- if (code1 === 1) {
- this._eatBits(12);
- gotEOL = true;
- } else if (code1 === ccittEOF) {
- this.eof = true;
- }
- }
- if (!this.eof && this.encoding > 0 && !this.rowsDone) {
- this.nextLine2D = !this._lookBits(1);
- this._eatBits(1);
- }
- if (this.eoblock && gotEOL && this.byteAlign) {
- code1 = this._lookBits(12);
- if (code1 === 1) {
- this._eatBits(12);
- if (this.encoding > 0) {
- this._lookBits(1);
- this._eatBits(1);
- }
- if (this.encoding >= 0) {
- for (i = 0; i < 4; ++i) {
- code1 = this._lookBits(12);
- if (code1 !== 1) {
- (0, _util.info)("bad rtc code: " + code1);
- }
- this._eatBits(12);
- if (this.encoding > 0) {
- this._lookBits(1);
- this._eatBits(1);
- }
- }
- }
- this.eof = true;
- }
- } else if (this.err && this.eoline) {
- while (true) {
- code1 = this._lookBits(13);
- if (code1 === ccittEOF) {
- this.eof = true;
- return -1;
- }
- if (code1 >> 1 === 1) {
- break;
- }
- this._eatBits(1);
- }
- this._eatBits(12);
- if (this.encoding > 0) {
- this._eatBits(1);
- this.nextLine2D = !(code1 & 1);
- }
- }
- if (codingLine[0] > 0) {
- this.outputBits = codingLine[this.codingPos = 0];
- } else {
- this.outputBits = codingLine[this.codingPos = 1];
- }
- this.row++;
- }
- var c;
- if (this.outputBits >= 8) {
- c = this.codingPos & 1 ? 0 : 0xff;
- this.outputBits -= 8;
- if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
- this.codingPos++;
- this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
- }
- } else {
- bits = 8;
- c = 0;
- do {
- if (this.outputBits > bits) {
- c <<= bits;
- if (!(this.codingPos & 1)) {
- c |= 0xff >> 8 - bits;
- }
- this.outputBits -= bits;
- bits = 0;
- } else {
- c <<= this.outputBits;
- if (!(this.codingPos & 1)) {
- c |= 0xff >> 8 - this.outputBits;
- }
- bits -= this.outputBits;
- this.outputBits = 0;
- if (codingLine[this.codingPos] < columns) {
- this.codingPos++;
- this.outputBits = codingLine[this.codingPos] - codingLine[this.codingPos - 1];
- } else if (bits > 0) {
- c <<= bits;
- bits = 0;
- }
- }
- } while (bits);
- }
- if (this.black) {
- c ^= 0xff;
- }
- return c;
- }
- }, {
- key: "_addPixels",
- value: function _addPixels(a1, blackPixels) {
- var codingLine = this.codingLine;
- var codingPos = this.codingPos;
- if (a1 > codingLine[codingPos]) {
- if (a1 > this.columns) {
- (0, _util.info)("row is wrong length");
- this.err = true;
- a1 = this.columns;
- }
- if (codingPos & 1 ^ blackPixels) {
- ++codingPos;
- }
- codingLine[codingPos] = a1;
- }
- this.codingPos = codingPos;
- }
- }, {
- key: "_addPixelsNeg",
- value: function _addPixelsNeg(a1, blackPixels) {
- var codingLine = this.codingLine;
- var codingPos = this.codingPos;
- if (a1 > codingLine[codingPos]) {
- if (a1 > this.columns) {
- (0, _util.info)("row is wrong length");
- this.err = true;
- a1 = this.columns;
- }
- if (codingPos & 1 ^ blackPixels) {
- ++codingPos;
- }
- codingLine[codingPos] = a1;
- } else if (a1 < codingLine[codingPos]) {
- if (a1 < 0) {
- (0, _util.info)("invalid code");
- this.err = true;
- a1 = 0;
- }
- while (codingPos > 0 && a1 < codingLine[codingPos - 1]) {
- --codingPos;
- }
- codingLine[codingPos] = a1;
- }
- this.codingPos = codingPos;
- }
- }, {
- key: "_findTableCode",
- value: function _findTableCode(start, end, table, limit) {
- var limitValue = limit || 0;
- for (var i = start; i <= end; ++i) {
- var code = this._lookBits(i);
- if (code === ccittEOF) {
- return [true, 1, false];
- }
- if (i < end) {
- code <<= end - i;
- }
- if (!limitValue || code >= limitValue) {
- var p = table[code - limitValue];
- if (p[0] === i) {
- this._eatBits(i);
- return [true, p[1], true];
- }
- }
- }
- return [false, 0, false];
- }
- }, {
- key: "_getTwoDimCode",
- value: function _getTwoDimCode() {
- var code = 0;
- var p;
- if (this.eoblock) {
- code = this._lookBits(7);
- p = twoDimTable[code];
- if (p && p[0] > 0) {
- this._eatBits(p[0]);
- return p[1];
- }
- } else {
- var result = this._findTableCode(1, 7, twoDimTable);
- if (result[0] && result[2]) {
- return result[1];
- }
- }
- (0, _util.info)("Bad two dim code");
- return ccittEOF;
- }
- }, {
- key: "_getWhiteCode",
- value: function _getWhiteCode() {
- var code = 0;
- var p;
- if (this.eoblock) {
- code = this._lookBits(12);
- if (code === ccittEOF) {
- return 1;
- }
- if (code >> 5 === 0) {
- p = whiteTable1[code];
- } else {
- p = whiteTable2[code >> 3];
- }
- if (p[0] > 0) {
- this._eatBits(p[0]);
- return p[1];
- }
- } else {
- var result = this._findTableCode(1, 9, whiteTable2);
- if (result[0]) {
- return result[1];
- }
- result = this._findTableCode(11, 12, whiteTable1);
- if (result[0]) {
- return result[1];
- }
- }
- (0, _util.info)("bad white code");
- this._eatBits(1);
- return 1;
- }
- }, {
- key: "_getBlackCode",
- value: function _getBlackCode() {
- var code, p;
- if (this.eoblock) {
- code = this._lookBits(13);
- if (code === ccittEOF) {
- return 1;
- }
- if (code >> 7 === 0) {
- p = blackTable1[code];
- } else if (code >> 9 === 0 && code >> 7 !== 0) {
- p = blackTable2[(code >> 1) - 64];
- } else {
- p = blackTable3[code >> 7];
- }
- if (p[0] > 0) {
- this._eatBits(p[0]);
- return p[1];
- }
- } else {
- var result = this._findTableCode(2, 6, blackTable3);
- if (result[0]) {
- return result[1];
- }
- result = this._findTableCode(7, 12, blackTable2, 64);
- if (result[0]) {
- return result[1];
- }
- result = this._findTableCode(10, 13, blackTable1);
- if (result[0]) {
- return result[1];
- }
- }
- (0, _util.info)("bad black code");
- this._eatBits(1);
- return 1;
- }
- }, {
- key: "_lookBits",
- value: function _lookBits(n) {
- var c;
- while (this.inputBits < n) {
- if ((c = this.source.next()) === -1) {
- if (this.inputBits === 0) {
- return ccittEOF;
- }
- return this.inputBuf << n - this.inputBits & 0xffff >> 16 - n;
- }
- this.inputBuf = this.inputBuf << 8 | c;
- this.inputBits += 8;
- }
- return this.inputBuf >> this.inputBits - n & 0xffff >> 16 - n;
- }
- }, {
- key: "_eatBits",
- value: function _eatBits(n) {
- if ((this.inputBits -= n) < 0) {
- this.inputBits = 0;
- }
- }
- }]);
- return CCITTFaxDecoder;
- }();
- exports.CCITTFaxDecoder = CCITTFaxDecoder;
- /***/ }),
- /* 94 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.JpegImage = void 0;
- var _util = __w_pdfjs_require__(1);
- var _core_utils = __w_pdfjs_require__(87);
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
- function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
- function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- var JpegError = /*#__PURE__*/function (_BaseException) {
- _inherits(JpegError, _BaseException);
- var _super = _createSuper(JpegError);
- function JpegError(msg) {
- _classCallCheck(this, JpegError);
- return _super.call(this, "JPEG error: ".concat(msg), "JpegError");
- }
- return JpegError;
- }(_util.BaseException);
- var DNLMarkerError = /*#__PURE__*/function (_BaseException2) {
- _inherits(DNLMarkerError, _BaseException2);
- var _super2 = _createSuper(DNLMarkerError);
- function DNLMarkerError(message, scanLines) {
- var _this;
- _classCallCheck(this, DNLMarkerError);
- _this = _super2.call(this, message, "DNLMarkerError");
- _this.scanLines = scanLines;
- return _this;
- }
- return DNLMarkerError;
- }(_util.BaseException);
- var EOIMarkerError = /*#__PURE__*/function (_BaseException3) {
- _inherits(EOIMarkerError, _BaseException3);
- var _super3 = _createSuper(EOIMarkerError);
- function EOIMarkerError(msg) {
- _classCallCheck(this, EOIMarkerError);
- return _super3.call(this, msg, "EOIMarkerError");
- }
- return EOIMarkerError;
- }(_util.BaseException);
- var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
- var dctCos1 = 4017;
- var dctSin1 = 799;
- var dctCos3 = 3406;
- var dctSin3 = 2276;
- var dctCos6 = 1567;
- var dctSin6 = 3784;
- var dctSqrt2 = 5793;
- var dctSqrt1d2 = 2896;
- function buildHuffmanTable(codeLengths, values) {
- var k = 0,
- i,
- j,
- length = 16;
- while (length > 0 && !codeLengths[length - 1]) {
- length--;
- }
- var code = [{
- children: [],
- index: 0
- }];
- var p = code[0],
- q;
- for (i = 0; i < length; i++) {
- for (j = 0; j < codeLengths[i]; j++) {
- p = code.pop();
- p.children[p.index] = values[k];
- while (p.index > 0) {
- p = code.pop();
- }
- p.index++;
- code.push(p);
- while (code.length <= i) {
- code.push(q = {
- children: [],
- index: 0
- });
- p.children[p.index] = q.children;
- p = q;
- }
- k++;
- }
- if (i + 1 < length) {
- code.push(q = {
- children: [],
- index: 0
- });
- p.children[p.index] = q.children;
- p = q;
- }
- }
- return code[0].children;
- }
- function getBlockBufferOffset(component, row, col) {
- return 64 * ((component.blocksPerLine + 1) * row + col);
- }
- function decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successivePrev, successive) {
- var parseDNLMarker = arguments.length > 9 && arguments[9] !== undefined ? arguments[9] : false;
- var mcusPerLine = frame.mcusPerLine;
- var progressive = frame.progressive;
- var startOffset = offset;
- var bitsData = 0,
- bitsCount = 0;
- function readBit() {
- if (bitsCount > 0) {
- bitsCount--;
- return bitsData >> bitsCount & 1;
- }
- bitsData = data[offset++];
- if (bitsData === 0xff) {
- var nextByte = data[offset++];
- if (nextByte) {
- if (nextByte === 0xdc && parseDNLMarker) {
- offset += 2;
- var scanLines = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- if (scanLines > 0 && scanLines !== frame.scanLines) {
- throw new DNLMarkerError("Found DNL marker (0xFFDC) while parsing scan data", scanLines);
- }
- } else if (nextByte === 0xd9) {
- if (parseDNLMarker) {
- var maybeScanLines = blockRow * (frame.precision === 8 ? 8 : 0);
- if (maybeScanLines > 0 && Math.round(frame.scanLines / maybeScanLines) >= 10) {
- throw new DNLMarkerError("Found EOI marker (0xFFD9) while parsing scan data, " + "possibly caused by incorrect `scanLines` parameter", maybeScanLines);
- }
- }
- throw new EOIMarkerError("Found EOI marker (0xFFD9) while parsing scan data");
- }
- throw new JpegError("unexpected marker ".concat((bitsData << 8 | nextByte).toString(16)));
- }
- }
- bitsCount = 7;
- return bitsData >>> 7;
- }
- function decodeHuffman(tree) {
- var node = tree;
- while (true) {
- node = node[readBit()];
- switch (_typeof(node)) {
- case "number":
- return node;
- case "object":
- continue;
- }
- throw new JpegError("invalid huffman sequence");
- }
- }
- function receive(length) {
- var n = 0;
- while (length > 0) {
- n = n << 1 | readBit();
- length--;
- }
- return n;
- }
- function receiveAndExtend(length) {
- if (length === 1) {
- return readBit() === 1 ? 1 : -1;
- }
- var n = receive(length);
- if (n >= 1 << length - 1) {
- return n;
- }
- return n + (-1 << length) + 1;
- }
- function decodeBaseline(component, blockOffset) {
- var t = decodeHuffman(component.huffmanTableDC);
- var diff = t === 0 ? 0 : receiveAndExtend(t);
- component.blockData[blockOffset] = component.pred += diff;
- var k = 1;
- while (k < 64) {
- var rs = decodeHuffman(component.huffmanTableAC);
- var s = rs & 15,
- r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- break;
- }
- k += 16;
- continue;
- }
- k += r;
- var z = dctZigZag[k];
- component.blockData[blockOffset + z] = receiveAndExtend(s);
- k++;
- }
- }
- function decodeDCFirst(component, blockOffset) {
- var t = decodeHuffman(component.huffmanTableDC);
- var diff = t === 0 ? 0 : receiveAndExtend(t) << successive;
- component.blockData[blockOffset] = component.pred += diff;
- }
- function decodeDCSuccessive(component, blockOffset) {
- component.blockData[blockOffset] |= readBit() << successive;
- }
- var eobrun = 0;
- function decodeACFirst(component, blockOffset) {
- if (eobrun > 0) {
- eobrun--;
- return;
- }
- var k = spectralStart;
- var e = spectralEnd;
- while (k <= e) {
- var rs = decodeHuffman(component.huffmanTableAC);
- var s = rs & 15,
- r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- eobrun = receive(r) + (1 << r) - 1;
- break;
- }
- k += 16;
- continue;
- }
- k += r;
- var z = dctZigZag[k];
- component.blockData[blockOffset + z] = receiveAndExtend(s) * (1 << successive);
- k++;
- }
- }
- var successiveACState = 0,
- successiveACNextValue;
- function decodeACSuccessive(component, blockOffset) {
- var k = spectralStart;
- var e = spectralEnd;
- var r = 0;
- var s;
- var rs;
- while (k <= e) {
- var offsetZ = blockOffset + dctZigZag[k];
- var sign = component.blockData[offsetZ] < 0 ? -1 : 1;
- switch (successiveACState) {
- case 0:
- rs = decodeHuffman(component.huffmanTableAC);
- s = rs & 15;
- r = rs >> 4;
- if (s === 0) {
- if (r < 15) {
- eobrun = receive(r) + (1 << r);
- successiveACState = 4;
- } else {
- r = 16;
- successiveACState = 1;
- }
- } else {
- if (s !== 1) {
- throw new JpegError("invalid ACn encoding");
- }
- successiveACNextValue = receiveAndExtend(s);
- successiveACState = r ? 2 : 3;
- }
- continue;
- case 1:
- case 2:
- if (component.blockData[offsetZ]) {
- component.blockData[offsetZ] += sign * (readBit() << successive);
- } else {
- r--;
- if (r === 0) {
- successiveACState = successiveACState === 2 ? 3 : 0;
- }
- }
- break;
- case 3:
- if (component.blockData[offsetZ]) {
- component.blockData[offsetZ] += sign * (readBit() << successive);
- } else {
- component.blockData[offsetZ] = successiveACNextValue << successive;
- successiveACState = 0;
- }
- break;
- case 4:
- if (component.blockData[offsetZ]) {
- component.blockData[offsetZ] += sign * (readBit() << successive);
- }
- break;
- }
- k++;
- }
- if (successiveACState === 4) {
- eobrun--;
- if (eobrun === 0) {
- successiveACState = 0;
- }
- }
- }
- var blockRow = 0;
- function decodeMcu(component, decode, mcu, row, col) {
- var mcuRow = mcu / mcusPerLine | 0;
- var mcuCol = mcu % mcusPerLine;
- blockRow = mcuRow * component.v + row;
- var blockCol = mcuCol * component.h + col;
- var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
- decode(component, blockOffset);
- }
- function decodeBlock(component, decode, mcu) {
- blockRow = mcu / component.blocksPerLine | 0;
- var blockCol = mcu % component.blocksPerLine;
- var blockOffset = getBlockBufferOffset(component, blockRow, blockCol);
- decode(component, blockOffset);
- }
- var componentsLength = components.length;
- var component, i, j, k, n;
- var decodeFn;
- if (progressive) {
- if (spectralStart === 0) {
- decodeFn = successivePrev === 0 ? decodeDCFirst : decodeDCSuccessive;
- } else {
- decodeFn = successivePrev === 0 ? decodeACFirst : decodeACSuccessive;
- }
- } else {
- decodeFn = decodeBaseline;
- }
- var mcu = 0,
- fileMarker;
- var mcuExpected;
- if (componentsLength === 1) {
- mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
- } else {
- mcuExpected = mcusPerLine * frame.mcusPerColumn;
- }
- var h, v;
- while (mcu <= mcuExpected) {
- var mcuToRead = resetInterval ? Math.min(mcuExpected - mcu, resetInterval) : mcuExpected;
- if (mcuToRead > 0) {
- for (i = 0; i < componentsLength; i++) {
- components[i].pred = 0;
- }
- eobrun = 0;
- if (componentsLength === 1) {
- component = components[0];
- for (n = 0; n < mcuToRead; n++) {
- decodeBlock(component, decodeFn, mcu);
- mcu++;
- }
- } else {
- for (n = 0; n < mcuToRead; n++) {
- for (i = 0; i < componentsLength; i++) {
- component = components[i];
- h = component.h;
- v = component.v;
- for (j = 0; j < v; j++) {
- for (k = 0; k < h; k++) {
- decodeMcu(component, decodeFn, mcu, j, k);
- }
- }
- }
- mcu++;
- }
- }
- }
- bitsCount = 0;
- fileMarker = findNextFileMarker(data, offset);
- if (!fileMarker) {
- break;
- }
- if (fileMarker.invalid) {
- var partialMsg = mcuToRead > 0 ? "unexpected" : "excessive";
- (0, _util.warn)("decodeScan - ".concat(partialMsg, " MCU data, current marker is: ").concat(fileMarker.invalid));
- offset = fileMarker.offset;
- }
- if (fileMarker.marker >= 0xffd0 && fileMarker.marker <= 0xffd7) {
- offset += 2;
- } else {
- break;
- }
- }
- return offset - startOffset;
- }
- function quantizeAndInverse(component, blockBufferOffset, p) {
- var qt = component.quantizationTable,
- blockData = component.blockData;
- var v0, v1, v2, v3, v4, v5, v6, v7;
- var p0, p1, p2, p3, p4, p5, p6, p7;
- var t;
- if (!qt) {
- throw new JpegError("missing required Quantization Table.");
- }
- for (var row = 0; row < 64; row += 8) {
- p0 = blockData[blockBufferOffset + row];
- p1 = blockData[blockBufferOffset + row + 1];
- p2 = blockData[blockBufferOffset + row + 2];
- p3 = blockData[blockBufferOffset + row + 3];
- p4 = blockData[blockBufferOffset + row + 4];
- p5 = blockData[blockBufferOffset + row + 5];
- p6 = blockData[blockBufferOffset + row + 6];
- p7 = blockData[blockBufferOffset + row + 7];
- p0 *= qt[row];
- if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
- t = dctSqrt2 * p0 + 512 >> 10;
- p[row] = t;
- p[row + 1] = t;
- p[row + 2] = t;
- p[row + 3] = t;
- p[row + 4] = t;
- p[row + 5] = t;
- p[row + 6] = t;
- p[row + 7] = t;
- continue;
- }
- p1 *= qt[row + 1];
- p2 *= qt[row + 2];
- p3 *= qt[row + 3];
- p4 *= qt[row + 4];
- p5 *= qt[row + 5];
- p6 *= qt[row + 6];
- p7 *= qt[row + 7];
- v0 = dctSqrt2 * p0 + 128 >> 8;
- v1 = dctSqrt2 * p4 + 128 >> 8;
- v2 = p2;
- v3 = p6;
- v4 = dctSqrt1d2 * (p1 - p7) + 128 >> 8;
- v7 = dctSqrt1d2 * (p1 + p7) + 128 >> 8;
- v5 = p3 << 4;
- v6 = p5 << 4;
- v0 = v0 + v1 + 1 >> 1;
- v1 = v0 - v1;
- t = v2 * dctSin6 + v3 * dctCos6 + 128 >> 8;
- v2 = v2 * dctCos6 - v3 * dctSin6 + 128 >> 8;
- v3 = t;
- v4 = v4 + v6 + 1 >> 1;
- v6 = v4 - v6;
- v7 = v7 + v5 + 1 >> 1;
- v5 = v7 - v5;
- v0 = v0 + v3 + 1 >> 1;
- v3 = v0 - v3;
- v1 = v1 + v2 + 1 >> 1;
- v2 = v1 - v2;
- t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
- v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
- v7 = t;
- t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
- v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
- v6 = t;
- p[row] = v0 + v7;
- p[row + 7] = v0 - v7;
- p[row + 1] = v1 + v6;
- p[row + 6] = v1 - v6;
- p[row + 2] = v2 + v5;
- p[row + 5] = v2 - v5;
- p[row + 3] = v3 + v4;
- p[row + 4] = v3 - v4;
- }
- for (var col = 0; col < 8; ++col) {
- p0 = p[col];
- p1 = p[col + 8];
- p2 = p[col + 16];
- p3 = p[col + 24];
- p4 = p[col + 32];
- p5 = p[col + 40];
- p6 = p[col + 48];
- p7 = p[col + 56];
- if ((p1 | p2 | p3 | p4 | p5 | p6 | p7) === 0) {
- t = dctSqrt2 * p0 + 8192 >> 14;
- if (t < -2040) {
- t = 0;
- } else if (t >= 2024) {
- t = 255;
- } else {
- t = t + 2056 >> 4;
- }
- blockData[blockBufferOffset + col] = t;
- blockData[blockBufferOffset + col + 8] = t;
- blockData[blockBufferOffset + col + 16] = t;
- blockData[blockBufferOffset + col + 24] = t;
- blockData[blockBufferOffset + col + 32] = t;
- blockData[blockBufferOffset + col + 40] = t;
- blockData[blockBufferOffset + col + 48] = t;
- blockData[blockBufferOffset + col + 56] = t;
- continue;
- }
- v0 = dctSqrt2 * p0 + 2048 >> 12;
- v1 = dctSqrt2 * p4 + 2048 >> 12;
- v2 = p2;
- v3 = p6;
- v4 = dctSqrt1d2 * (p1 - p7) + 2048 >> 12;
- v7 = dctSqrt1d2 * (p1 + p7) + 2048 >> 12;
- v5 = p3;
- v6 = p5;
- v0 = (v0 + v1 + 1 >> 1) + 4112;
- v1 = v0 - v1;
- t = v2 * dctSin6 + v3 * dctCos6 + 2048 >> 12;
- v2 = v2 * dctCos6 - v3 * dctSin6 + 2048 >> 12;
- v3 = t;
- v4 = v4 + v6 + 1 >> 1;
- v6 = v4 - v6;
- v7 = v7 + v5 + 1 >> 1;
- v5 = v7 - v5;
- v0 = v0 + v3 + 1 >> 1;
- v3 = v0 - v3;
- v1 = v1 + v2 + 1 >> 1;
- v2 = v1 - v2;
- t = v4 * dctSin3 + v7 * dctCos3 + 2048 >> 12;
- v4 = v4 * dctCos3 - v7 * dctSin3 + 2048 >> 12;
- v7 = t;
- t = v5 * dctSin1 + v6 * dctCos1 + 2048 >> 12;
- v5 = v5 * dctCos1 - v6 * dctSin1 + 2048 >> 12;
- v6 = t;
- p0 = v0 + v7;
- p7 = v0 - v7;
- p1 = v1 + v6;
- p6 = v1 - v6;
- p2 = v2 + v5;
- p5 = v2 - v5;
- p3 = v3 + v4;
- p4 = v3 - v4;
- if (p0 < 16) {
- p0 = 0;
- } else if (p0 >= 4080) {
- p0 = 255;
- } else {
- p0 >>= 4;
- }
- if (p1 < 16) {
- p1 = 0;
- } else if (p1 >= 4080) {
- p1 = 255;
- } else {
- p1 >>= 4;
- }
- if (p2 < 16) {
- p2 = 0;
- } else if (p2 >= 4080) {
- p2 = 255;
- } else {
- p2 >>= 4;
- }
- if (p3 < 16) {
- p3 = 0;
- } else if (p3 >= 4080) {
- p3 = 255;
- } else {
- p3 >>= 4;
- }
- if (p4 < 16) {
- p4 = 0;
- } else if (p4 >= 4080) {
- p4 = 255;
- } else {
- p4 >>= 4;
- }
- if (p5 < 16) {
- p5 = 0;
- } else if (p5 >= 4080) {
- p5 = 255;
- } else {
- p5 >>= 4;
- }
- if (p6 < 16) {
- p6 = 0;
- } else if (p6 >= 4080) {
- p6 = 255;
- } else {
- p6 >>= 4;
- }
- if (p7 < 16) {
- p7 = 0;
- } else if (p7 >= 4080) {
- p7 = 255;
- } else {
- p7 >>= 4;
- }
- blockData[blockBufferOffset + col] = p0;
- blockData[blockBufferOffset + col + 8] = p1;
- blockData[blockBufferOffset + col + 16] = p2;
- blockData[blockBufferOffset + col + 24] = p3;
- blockData[blockBufferOffset + col + 32] = p4;
- blockData[blockBufferOffset + col + 40] = p5;
- blockData[blockBufferOffset + col + 48] = p6;
- blockData[blockBufferOffset + col + 56] = p7;
- }
- }
- function buildComponentData(frame, component) {
- var blocksPerLine = component.blocksPerLine;
- var blocksPerColumn = component.blocksPerColumn;
- var computationBuffer = new Int16Array(64);
- for (var blockRow = 0; blockRow < blocksPerColumn; blockRow++) {
- for (var blockCol = 0; blockCol < blocksPerLine; blockCol++) {
- var offset = getBlockBufferOffset(component, blockRow, blockCol);
- quantizeAndInverse(component, offset, computationBuffer);
- }
- }
- return component.blockData;
- }
- function findNextFileMarker(data, currentPos) {
- var startPos = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentPos;
- var maxPos = data.length - 1;
- var newPos = startPos < currentPos ? startPos : currentPos;
- if (currentPos >= maxPos) {
- return null;
- }
- var currentMarker = (0, _core_utils.readUint16)(data, currentPos);
- if (currentMarker >= 0xffc0 && currentMarker <= 0xfffe) {
- return {
- invalid: null,
- marker: currentMarker,
- offset: currentPos
- };
- }
- var newMarker = (0, _core_utils.readUint16)(data, newPos);
- while (!(newMarker >= 0xffc0 && newMarker <= 0xfffe)) {
- if (++newPos >= maxPos) {
- return null;
- }
- newMarker = (0, _core_utils.readUint16)(data, newPos);
- }
- return {
- invalid: currentMarker.toString(16),
- marker: newMarker,
- offset: newPos
- };
- }
- var JpegImage = /*#__PURE__*/function () {
- function JpegImage() {
- var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
- _ref$decodeTransform = _ref.decodeTransform,
- decodeTransform = _ref$decodeTransform === void 0 ? null : _ref$decodeTransform,
- _ref$colorTransform = _ref.colorTransform,
- colorTransform = _ref$colorTransform === void 0 ? -1 : _ref$colorTransform;
- _classCallCheck(this, JpegImage);
- this._decodeTransform = decodeTransform;
- this._colorTransform = colorTransform;
- }
- _createClass(JpegImage, [{
- key: "parse",
- value: function parse(data) {
- var _ref2 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
- _ref2$dnlScanLines = _ref2.dnlScanLines,
- dnlScanLines = _ref2$dnlScanLines === void 0 ? null : _ref2$dnlScanLines;
- function readDataBlock() {
- var length = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- var endOffset = offset + length - 2;
- var fileMarker = findNextFileMarker(data, endOffset, offset);
- if (fileMarker && fileMarker.invalid) {
- (0, _util.warn)("readDataBlock - incorrect length, current marker is: " + fileMarker.invalid);
- endOffset = fileMarker.offset;
- }
- var array = data.subarray(offset, endOffset);
- offset += array.length;
- return array;
- }
- function prepareComponents(frame) {
- var mcusPerLine = Math.ceil(frame.samplesPerLine / 8 / frame.maxH);
- var mcusPerColumn = Math.ceil(frame.scanLines / 8 / frame.maxV);
- for (var i = 0, ii = frame.components.length; i < ii; i++) {
- var component = frame.components[i];
- var blocksPerLine = Math.ceil(Math.ceil(frame.samplesPerLine / 8) * component.h / frame.maxH);
- var blocksPerColumn = Math.ceil(Math.ceil(frame.scanLines / 8) * component.v / frame.maxV);
- var blocksPerLineForMcu = mcusPerLine * component.h;
- var blocksPerColumnForMcu = mcusPerColumn * component.v;
- var blocksBufferSize = 64 * blocksPerColumnForMcu * (blocksPerLineForMcu + 1);
- component.blockData = new Int16Array(blocksBufferSize);
- component.blocksPerLine = blocksPerLine;
- component.blocksPerColumn = blocksPerColumn;
- }
- frame.mcusPerLine = mcusPerLine;
- frame.mcusPerColumn = mcusPerColumn;
- }
- var offset = 0;
- var jfif = null;
- var adobe = null;
- var frame, resetInterval;
- var numSOSMarkers = 0;
- var quantizationTables = [];
- var huffmanTablesAC = [],
- huffmanTablesDC = [];
- var fileMarker = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- if (fileMarker !== 0xffd8) {
- throw new JpegError("SOI not found");
- }
- fileMarker = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- markerLoop: while (fileMarker !== 0xffd9) {
- var i = void 0,
- j = void 0,
- l = void 0;
- switch (fileMarker) {
- case 0xffe0:
- case 0xffe1:
- case 0xffe2:
- case 0xffe3:
- case 0xffe4:
- case 0xffe5:
- case 0xffe6:
- case 0xffe7:
- case 0xffe8:
- case 0xffe9:
- case 0xffea:
- case 0xffeb:
- case 0xffec:
- case 0xffed:
- case 0xffee:
- case 0xffef:
- case 0xfffe:
- var appData = readDataBlock();
- if (fileMarker === 0xffe0) {
- if (appData[0] === 0x4a && appData[1] === 0x46 && appData[2] === 0x49 && appData[3] === 0x46 && appData[4] === 0) {
- jfif = {
- version: {
- major: appData[5],
- minor: appData[6]
- },
- densityUnits: appData[7],
- xDensity: appData[8] << 8 | appData[9],
- yDensity: appData[10] << 8 | appData[11],
- thumbWidth: appData[12],
- thumbHeight: appData[13],
- thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
- };
- }
- }
- if (fileMarker === 0xffee) {
- if (appData[0] === 0x41 && appData[1] === 0x64 && appData[2] === 0x6f && appData[3] === 0x62 && appData[4] === 0x65) {
- adobe = {
- version: appData[5] << 8 | appData[6],
- flags0: appData[7] << 8 | appData[8],
- flags1: appData[9] << 8 | appData[10],
- transformCode: appData[11]
- };
- }
- }
- break;
- case 0xffdb:
- var quantizationTablesLength = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- var quantizationTablesEnd = quantizationTablesLength + offset - 2;
- var z = void 0;
- while (offset < quantizationTablesEnd) {
- var quantizationTableSpec = data[offset++];
- var tableData = new Uint16Array(64);
- if (quantizationTableSpec >> 4 === 0) {
- for (j = 0; j < 64; j++) {
- z = dctZigZag[j];
- tableData[z] = data[offset++];
- }
- } else if (quantizationTableSpec >> 4 === 1) {
- for (j = 0; j < 64; j++) {
- z = dctZigZag[j];
- tableData[z] = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- }
- } else {
- throw new JpegError("DQT - invalid table spec");
- }
- quantizationTables[quantizationTableSpec & 15] = tableData;
- }
- break;
- case 0xffc0:
- case 0xffc1:
- case 0xffc2:
- if (frame) {
- throw new JpegError("Only single frame JPEGs supported");
- }
- offset += 2;
- frame = {};
- frame.extended = fileMarker === 0xffc1;
- frame.progressive = fileMarker === 0xffc2;
- frame.precision = data[offset++];
- var sofScanLines = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- frame.scanLines = dnlScanLines || sofScanLines;
- frame.samplesPerLine = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- frame.components = [];
- frame.componentIds = {};
- var componentsCount = data[offset++];
- var maxH = 0,
- maxV = 0;
- for (i = 0; i < componentsCount; i++) {
- var componentId = data[offset];
- var h = data[offset + 1] >> 4;
- var v = data[offset + 1] & 15;
- if (maxH < h) {
- maxH = h;
- }
- if (maxV < v) {
- maxV = v;
- }
- var qId = data[offset + 2];
- l = frame.components.push({
- h: h,
- v: v,
- quantizationId: qId,
- quantizationTable: null
- });
- frame.componentIds[componentId] = l - 1;
- offset += 3;
- }
- frame.maxH = maxH;
- frame.maxV = maxV;
- prepareComponents(frame);
- break;
- case 0xffc4:
- var huffmanLength = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- for (i = 2; i < huffmanLength;) {
- var huffmanTableSpec = data[offset++];
- var codeLengths = new Uint8Array(16);
- var codeLengthSum = 0;
- for (j = 0; j < 16; j++, offset++) {
- codeLengthSum += codeLengths[j] = data[offset];
- }
- var huffmanValues = new Uint8Array(codeLengthSum);
- for (j = 0; j < codeLengthSum; j++, offset++) {
- huffmanValues[j] = data[offset];
- }
- i += 17 + codeLengthSum;
- (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
- }
- break;
- case 0xffdd:
- offset += 2;
- resetInterval = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- break;
- case 0xffda:
- var parseDNLMarker = ++numSOSMarkers === 1 && !dnlScanLines;
- offset += 2;
- var selectorsCount = data[offset++],
- components = [];
- for (i = 0; i < selectorsCount; i++) {
- var index = data[offset++];
- var componentIndex = frame.componentIds[index];
- var component = frame.components[componentIndex];
- component.index = index;
- var tableSpec = data[offset++];
- component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
- component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
- components.push(component);
- }
- var spectralStart = data[offset++],
- spectralEnd = data[offset++],
- successiveApproximation = data[offset++];
- try {
- var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15, parseDNLMarker);
- offset += processed;
- } catch (ex) {
- if (ex instanceof DNLMarkerError) {
- (0, _util.warn)("".concat(ex.message, " -- attempting to re-parse the JPEG image."));
- return this.parse(data, {
- dnlScanLines: ex.scanLines
- });
- } else if (ex instanceof EOIMarkerError) {
- (0, _util.warn)("".concat(ex.message, " -- ignoring the rest of the image data."));
- break markerLoop;
- }
- throw ex;
- }
- break;
- case 0xffdc:
- offset += 4;
- break;
- case 0xffff:
- if (data[offset] !== 0xff) {
- offset--;
- }
- break;
- default:
- var nextFileMarker = findNextFileMarker(data, offset - 2, offset - 3);
- if (nextFileMarker && nextFileMarker.invalid) {
- (0, _util.warn)("JpegImage.parse - unexpected data, current marker is: " + nextFileMarker.invalid);
- offset = nextFileMarker.offset;
- break;
- }
- if (!nextFileMarker || offset >= data.length - 1) {
- (0, _util.warn)("JpegImage.parse - reached the end of the image data " + "without finding an EOI marker (0xFFD9).");
- break markerLoop;
- }
- throw new JpegError("JpegImage.parse - unknown marker: " + fileMarker.toString(16));
- }
- fileMarker = (0, _core_utils.readUint16)(data, offset);
- offset += 2;
- }
- this.width = frame.samplesPerLine;
- this.height = frame.scanLines;
- this.jfif = jfif;
- this.adobe = adobe;
- this.components = [];
- for (var _i = 0, ii = frame.components.length; _i < ii; _i++) {
- var _component = frame.components[_i];
- var quantizationTable = quantizationTables[_component.quantizationId];
- if (quantizationTable) {
- _component.quantizationTable = quantizationTable;
- }
- this.components.push({
- index: _component.index,
- output: buildComponentData(frame, _component),
- scaleX: _component.h / frame.maxH,
- scaleY: _component.v / frame.maxV,
- blocksPerLine: _component.blocksPerLine,
- blocksPerColumn: _component.blocksPerColumn
- });
- }
- this.numComponents = this.components.length;
- return undefined;
- }
- }, {
- key: "_getLinearizedBlockData",
- value: function _getLinearizedBlockData(width, height) {
- var isSourcePDF = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
- var scaleX = this.width / width,
- scaleY = this.height / height;
- var component, componentScaleX, componentScaleY, blocksPerScanline;
- var x, y, i, j, k;
- var index;
- var offset = 0;
- var output;
- var numComponents = this.components.length;
- var dataLength = width * height * numComponents;
- var data = new Uint8ClampedArray(dataLength);
- var xScaleBlockOffset = new Uint32Array(width);
- var mask3LSB = 0xfffffff8;
- var lastComponentScaleX;
- for (i = 0; i < numComponents; i++) {
- component = this.components[i];
- componentScaleX = component.scaleX * scaleX;
- componentScaleY = component.scaleY * scaleY;
- offset = i;
- output = component.output;
- blocksPerScanline = component.blocksPerLine + 1 << 3;
- if (componentScaleX !== lastComponentScaleX) {
- for (x = 0; x < width; x++) {
- j = 0 | x * componentScaleX;
- xScaleBlockOffset[x] = (j & mask3LSB) << 3 | j & 7;
- }
- lastComponentScaleX = componentScaleX;
- }
- for (y = 0; y < height; y++) {
- j = 0 | y * componentScaleY;
- index = blocksPerScanline * (j & mask3LSB) | (j & 7) << 3;
- for (x = 0; x < width; x++) {
- data[offset] = output[index + xScaleBlockOffset[x]];
- offset += numComponents;
- }
- }
- }
- var transform = this._decodeTransform;
- if (!isSourcePDF && numComponents === 4 && !transform) {
- transform = new Int32Array([-256, 255, -256, 255, -256, 255, -256, 255]);
- }
- if (transform) {
- for (i = 0; i < dataLength;) {
- for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
- data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
- }
- }
- }
- return data;
- }
- }, {
- key: "_isColorConversionNeeded",
- get: function get() {
- if (this.adobe) {
- return !!this.adobe.transformCode;
- }
- if (this.numComponents === 3) {
- if (this._colorTransform === 0) {
- return false;
- } else if (this.components[0].index === 0x52 && this.components[1].index === 0x47 && this.components[2].index === 0x42) {
- return false;
- }
- return true;
- }
- if (this._colorTransform === 1) {
- return true;
- }
- return false;
- }
- }, {
- key: "_convertYccToRgb",
- value: function _convertYccToRgb(data) {
- var Y, Cb, Cr;
- for (var i = 0, length = data.length; i < length; i += 3) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- data[i] = Y - 179.456 + 1.402 * Cr;
- data[i + 1] = Y + 135.459 - 0.344 * Cb - 0.714 * Cr;
- data[i + 2] = Y - 226.816 + 1.772 * Cb;
- }
- return data;
- }
- }, {
- key: "_convertYcckToRgb",
- value: function _convertYcckToRgb(data) {
- var Y, Cb, Cr, k;
- var offset = 0;
- for (var i = 0, length = data.length; i < length; i += 4) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- k = data[i + 3];
- data[offset++] = -122.67195406894 + Cb * (-6.60635669420364e-5 * Cb + 0.000437130475926232 * Cr - 5.4080610064599e-5 * Y + 0.00048449797120281 * k - 0.154362151871126) + Cr * (-0.000957964378445773 * Cr + 0.000817076911346625 * Y - 0.00477271405408747 * k + 1.53380253221734) + Y * (0.000961250184130688 * Y - 0.00266257332283933 * k + 0.48357088451265) + k * (-0.000336197177618394 * k + 0.484791561490776);
- data[offset++] = 107.268039397724 + Cb * (2.19927104525741e-5 * Cb - 0.000640992018297945 * Cr + 0.000659397001245577 * Y + 0.000426105652938837 * k - 0.176491792462875) + Cr * (-0.000778269941513683 * Cr + 0.00130872261408275 * Y + 0.000770482631801132 * k - 0.151051492775562) + Y * (0.00126935368114843 * Y - 0.00265090189010898 * k + 0.25802910206845) + k * (-0.000318913117588328 * k - 0.213742400323665);
- data[offset++] = -20.810012546947 + Cb * (-0.000570115196973677 * Cb - 2.63409051004589e-5 * Cr + 0.0020741088115012 * Y - 0.00288260236853442 * k + 0.814272968359295) + Cr * (-1.53496057440975e-5 * Cr - 0.000132689043961446 * Y + 0.000560833691242812 * k - 0.195152027534049) + Y * (0.00174418132927582 * Y - 0.00255243321439347 * k + 0.116935020465145) + k * (-0.000343531996510555 * k + 0.24165260232407);
- }
- return data.subarray(0, offset);
- }
- }, {
- key: "_convertYcckToCmyk",
- value: function _convertYcckToCmyk(data) {
- var Y, Cb, Cr;
- for (var i = 0, length = data.length; i < length; i += 4) {
- Y = data[i];
- Cb = data[i + 1];
- Cr = data[i + 2];
- data[i] = 434.456 - Y - 1.402 * Cr;
- data[i + 1] = 119.541 - Y + 0.344 * Cb + 0.714 * Cr;
- data[i + 2] = 481.816 - Y - 1.772 * Cb;
- }
- return data;
- }
- }, {
- key: "_convertCmykToRgb",
- value: function _convertCmykToRgb(data) {
- var c, m, y, k;
- var offset = 0;
- for (var i = 0, length = data.length; i < length; i += 4) {
- c = data[i];
- m = data[i + 1];
- y = data[i + 2];
- k = data[i + 3];
- data[offset++] = 255 + c * (-0.00006747147073602441 * c + 0.0008379262121013727 * m + 0.0002894718188643294 * y + 0.003264231057537806 * k - 1.1185611867203937) + m * (0.000026374107616089405 * m - 0.00008626949158638572 * y - 0.0002748769067499491 * k - 0.02155688794978967) + y * (-0.00003878099212869363 * y - 0.0003267808279485286 * k + 0.0686742238595345) - k * (0.0003361971776183937 * k + 0.7430659151342254);
- data[offset++] = 255 + c * (0.00013596372813588848 * c + 0.000924537132573585 * m + 0.00010567359618683593 * y + 0.0004791864687436512 * k - 0.3109689587515875) + m * (-0.00023545346108370344 * m + 0.0002702845253534714 * y + 0.0020200308977307156 * k - 0.7488052167015494) + y * (0.00006834815998235662 * y + 0.00015168452363460973 * k - 0.09751927774728933) - k * (0.00031891311758832814 * k + 0.7364883807733168);
- data[offset++] = 255 + c * (0.000013598650411385307 * c + 0.00012423956175490851 * m + 0.0004751985097583589 * y - 0.0000036729317476630422 * k - 0.05562186980264034) + m * (0.00016141380598724676 * m + 0.0009692239130725186 * y + 0.0007782692450036253 * k - 0.44015232367526463) + y * (5.068882914068769e-7 * y + 0.0017778369011375071 * k - 0.7591454649749609) - k * (0.0003435319965105553 * k + 0.7063770186160144);
- }
- return data.subarray(0, offset);
- }
- }, {
- key: "getData",
- value: function getData(_ref3) {
- var width = _ref3.width,
- height = _ref3.height,
- _ref3$forceRGB = _ref3.forceRGB,
- forceRGB = _ref3$forceRGB === void 0 ? false : _ref3$forceRGB,
- _ref3$isSourcePDF = _ref3.isSourcePDF,
- isSourcePDF = _ref3$isSourcePDF === void 0 ? false : _ref3$isSourcePDF;
- if (this.numComponents > 4) {
- throw new JpegError("Unsupported color mode");
- }
- var data = this._getLinearizedBlockData(width, height, isSourcePDF);
- if (this.numComponents === 1 && forceRGB) {
- var dataLength = data.length;
- var rgbData = new Uint8ClampedArray(dataLength * 3);
- var offset = 0;
- for (var i = 0; i < dataLength; i++) {
- var grayColor = data[i];
- rgbData[offset++] = grayColor;
- rgbData[offset++] = grayColor;
- rgbData[offset++] = grayColor;
- }
- return rgbData;
- } else if (this.numComponents === 3 && this._isColorConversionNeeded) {
- return this._convertYccToRgb(data);
- } else if (this.numComponents === 4) {
- if (this._isColorConversionNeeded) {
- if (forceRGB) {
- return this._convertYcckToRgb(data);
- }
- return this._convertYcckToCmyk(data);
- } else if (forceRGB) {
- return this._convertCmykToRgb(data);
- }
- }
- return data;
- }
- }]);
- return JpegImage;
- }();
- exports.JpegImage = JpegImage;
- /***/ }),
- /* 95 */
- /***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
- "use strict";
- function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- exports.JpxImage = void 0;
- var _util = __w_pdfjs_require__(1);
- var _core_utils = __w_pdfjs_require__(87);
- var _arithmetic_decoder = __w_pdfjs_require__(92);
- function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
- function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
- function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
- function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
- function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
- function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
- function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
- function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
- var JpxError = /*#__PURE__*/function (_BaseException) {
- _inherits(JpxError, _BaseException);
- var _super = _createSuper(JpxError);
- function JpxError(msg) {
- _classCallCheck(this, JpxError);
- return _super.call(this, "JPX error: ".concat(msg), "JpxError");
- }
- return JpxError;
- }(_util.BaseException);
- var SubbandsGainLog2 = {
- LL: 0,
- LH: 1,
- HL: 1,
- HH: 2
- };
- var JpxImage = /*#__PURE__*/function () {
- function JpxImage() {
- _classCallCheck(this, JpxImage);
- this.failOnCorruptedImage = false;
- }
- _createClass(JpxImage, [{
- key: "parse",
- value: function parse(data) {
- var head = (0, _core_utils.readUint16)(data, 0);
- if (head === 0xff4f) {
- this.parseCodestream(data, 0, data.length);
- return;
- }
- var length = data.length;
- var position = 0;
- while (position < length) {
- var headerSize = 8;
- var lbox = (0, _core_utils.readUint32)(data, position);
- var tbox = (0, _core_utils.readUint32)(data, position + 4);
- position += headerSize;
- if (lbox === 1) {
- lbox = (0, _core_utils.readUint32)(data, position) * 4294967296 + (0, _core_utils.readUint32)(data, position + 4);
- position += 8;
- headerSize += 8;
- }
- if (lbox === 0) {
- lbox = length - position + headerSize;
- }
- if (lbox < headerSize) {
- throw new JpxError("Invalid box field size");
- }
- var dataLength = lbox - headerSize;
- var jumpDataLength = true;
- switch (tbox) {
- case 0x6a703268:
- jumpDataLength = false;
- break;
- case 0x636f6c72:
- var method = data[position];
- if (method === 1) {
- var colorspace = (0, _core_utils.readUint32)(data, position + 3);
- switch (colorspace) {
- case 16:
- case 17:
- case 18:
- break;
- default:
- (0, _util.warn)("Unknown colorspace " + colorspace);
- break;
- }
- } else if (method === 2) {
- (0, _util.info)("ICC profile not supported");
- }
- break;
- case 0x6a703263:
- this.parseCodestream(data, position, position + dataLength);
- break;
- case 0x6a502020:
- if ((0, _core_utils.readUint32)(data, position) !== 0x0d0a870a) {
- (0, _util.warn)("Invalid JP2 signature");
- }
- break;
- case 0x6a501a1a:
- case 0x66747970:
- case 0x72726571:
- case 0x72657320:
- case 0x69686472:
- break;
- default:
- var headerType = String.fromCharCode(tbox >> 24 & 0xff, tbox >> 16 & 0xff, tbox >> 8 & 0xff, tbox & 0xff);
- (0, _util.warn)("Unsupported header type ".concat(tbox, " (").concat(headerType, ")."));
- break;
- }
- if (jumpDataLength) {
- position += dataLength;
- }
- }
- }
- }, {
- key: "parseImageProperties",
- value: function parseImageProperties(stream) {
- var newByte = stream.getByte();
- while (newByte >= 0) {
- var oldByte = newByte;
- newByte = stream.getByte();
- var code = oldByte << 8 | newByte;
- if (code === 0xff51) {
- stream.skip(4);
- var Xsiz = stream.getInt32() >>> 0;
- var Ysiz = stream.getInt32() >>> 0;
- var XOsiz = stream.getInt32() >>> 0;
- var YOsiz = stream.getInt32() >>> 0;
- stream.skip(16);
- var Csiz = stream.getUint16();
- this.width = Xsiz - XOsiz;
- this.height = Ysiz - YOsiz;
- this.componentsCount = Csiz;
- this.bitsPerComponent = 8;
- return;
- }
- }
- throw new JpxError("No size marker found in JPX stream");
- }
- }, {
- key: "parseCodestream",
- value: function parseCodestream(data, start, end) {
- var context = {};
- var doNotRecover = false;
- try {
- var position = start;
- while (position + 1 < end) {
- var code = (0, _core_utils.readUint16)(data, position);
- position += 2;
- var length = 0,
- j = void 0,
- sqcd = void 0,
- spqcds = void 0,
- spqcdSize = void 0,
- scalarExpounded = void 0,
- tile = void 0;
- switch (code) {
- case 0xff4f:
- context.mainHeader = true;
- break;
- case 0xffd9:
- break;
- case 0xff51:
- length = (0, _core_utils.readUint16)(data, position);
- var siz = {};
- siz.Xsiz = (0, _core_utils.readUint32)(data, position + 4);
- siz.Ysiz = (0, _core_utils.readUint32)(data, position + 8);
- siz.XOsiz = (0, _core_utils.readUint32)(data, position + 12);
- siz.YOsiz = (0, _core_utils.readUint32)(data, position + 16);
- siz.XTsiz = (0, _core_utils.readUint32)(data, position + 20);
- siz.YTsiz = (0, _core_utils.readUint32)(data, position + 24);
- siz.XTOsiz = (0, _core_utils.readUint32)(data, position + 28);
- siz.YTOsiz = (0, _core_utils.readUint32)(data, position + 32);
- var componentsCount = (0, _core_utils.readUint16)(data, position + 36);
- siz.Csiz = componentsCount;
- var components = [];
- j = position + 38;
- for (var i = 0; i < componentsCount; i++) {
- var component = {
- precision: (data[j] & 0x7f) + 1,
- isSigned: !!(data[j] & 0x80),
- XRsiz: data[j + 1],
- YRsiz: data[j + 2]
- };
- j += 3;
- calculateComponentDimensions(component, siz);
- components.push(component);
- }
- context.SIZ = siz;
- context.components = components;
- calculateTileGrids(context, components);
- context.QCC = [];
- context.COC = [];
- break;
- case 0xff5c:
- length = (0, _core_utils.readUint16)(data, position);
- var qcd = {};
- j = position + 2;
- sqcd = data[j++];
- switch (sqcd & 0x1f) {
- case 0:
- spqcdSize = 8;
- scalarExpounded = true;
- break;
- case 1:
- spqcdSize = 16;
- scalarExpounded = false;
- break;
- case 2:
- spqcdSize = 16;
- scalarExpounded = true;
- break;
- default:
- throw new Error("Invalid SQcd value " + sqcd);
- }
- qcd.noQuantization = spqcdSize === 8;
- qcd.scalarExpounded = scalarExpounded;
- qcd.guardBits = sqcd >> 5;
- spqcds = [];
- while (j < length + position) {
- var spqcd = {};
- if (spqcdSize === 8) {
- spqcd.epsilon = data[j++] >> 3;
- spqcd.mu = 0;
- } else {
- spqcd.epsilon = data[j] >> 3;
- spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
- j += 2;
- }
- spqcds.push(spqcd);
- }
- qcd.SPqcds = spqcds;
- if (context.mainHeader) {
- context.QCD = qcd;
- } else {
- context.currentTile.QCD = qcd;
- context.currentTile.QCC = [];
- }
- break;
- case 0xff5d:
- length = (0, _core_utils.readUint16)(data, position);
- var qcc = {};
- j = position + 2;
- var cqcc = void 0;
- if (context.SIZ.Csiz < 257) {
- cqcc = data[j++];
- } else {
- cqcc = (0, _core_utils.readUint16)(data, j);
- j += 2;
- }
- sqcd = data[j++];
- switch (sqcd & 0x1f) {
- case 0:
- spqcdSize = 8;
- scalarExpounded = true;
- break;
- case 1:
- spqcdSize = 16;
- scalarExpounded = false;
- break;
- case 2:
- spqcdSize = 16;
- scalarExpounded = true;
- break;
- default:
- throw new Error("Invalid SQcd value " + sqcd);
- }
- qcc.noQuantization = spqcdSize === 8;
- qcc.scalarExpounded = scalarExpounded;
- qcc.guardBits = sqcd >> 5;
- spqcds = [];
- while (j < length + position) {
- var _spqcd = {};
- if (spqcdSize === 8) {
- _spqcd.epsilon = data[j++] >> 3;
- _spqcd.mu = 0;
- } else {
- _spqcd.epsilon = data[j] >> 3;
- _spqcd.mu = (data[j] & 0x7) << 8 | data[j + 1];
- j += 2;
- }
- spqcds.push(_spqcd);
- }
- qcc.SPqcds = spqcds;
- if (context.mainHeader) {
- context.QCC[cqcc] = qcc;
- } else {
- context.currentTile.QCC[cqcc] = qcc;
- }
- break;
- case 0xff52:
- length = (0, _core_utils.readUint16)(data, position);
- var cod = {};
- j = position + 2;
- var scod = data[j++];
- cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
- cod.sopMarkerUsed = !!(scod & 2);
- cod.ephMarkerUsed = !!(scod & 4);
- cod.progressionOrder = data[j++];
- cod.layersCount = (0, _core_utils.readUint16)(data, j);
- j += 2;
- cod.multipleComponentTransform = data[j++];
- cod.decompositionLevelsCount = data[j++];
- cod.xcb = (data[j++] & 0xf) + 2;
- cod.ycb = (data[j++] & 0xf) + 2;
- var blockStyle = data[j++];
- cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
- cod.resetContextProbabilities = !!(blockStyle & 2);
- cod.terminationOnEachCodingPass = !!(blockStyle & 4);
- cod.verticallyStripe = !!(blockStyle & 8);
- cod.predictableTermination = !!(blockStyle & 16);
- cod.segmentationSymbolUsed = !!(blockStyle & 32);
- cod.reversibleTransformation = data[j++];
- if (cod.entropyCoderWithCustomPrecincts) {
- var precinctsSizes = [];
- while (j < length + position) {
- var precinctsSize = data[j++];
- precinctsSizes.push({
- PPx: precinctsSize & 0xf,
- PPy: precinctsSize >> 4
- });
- }
- cod.precinctsSizes = precinctsSizes;
- }
- var unsupported = [];
- if (cod.selectiveArithmeticCodingBypass) {
- unsupported.push("selectiveArithmeticCodingBypass");
- }
- if (cod.resetContextProbabilities) {
- unsupported.push("resetContextProbabilities");
- }
- if (cod.terminationOnEachCodingPass) {
- unsupported.push("terminationOnEachCodingPass");
- }
- if (cod.verticallyStripe) {
- unsupported.push("verticallyStripe");
- }
- if (cod.predictableTermination) {
- unsupported.push("predictableTermination");
- }
- if (unsupported.length > 0) {
- doNotRecover = true;
- (0, _util.warn)("JPX: Unsupported COD options (".concat(unsupported.join(", "), ")."));
- }
- if (context.mainHeader) {
- context.COD = cod;
- } else {
- context.currentTile.COD = cod;
- context.currentTile.COC = [];
- }
- break;
- case 0xff90:
- length = (0, _core_utils.readUint16)(data, position);
- tile = {};
- tile.index = (0, _core_utils.readUint16)(data, position + 2);
- tile.length = (0, _core_utils.readUint32)(data, position + 4);
- tile.dataEnd = tile.length + position - 2;
- tile.partIndex = data[position + 8];
- tile.partsCount = data[position + 9];
- context.mainHeader = false;
- if (tile.partIndex === 0) {
- tile.COD = context.COD;
- tile.COC = context.COC.slice(0);
- tile.QCD = context.QCD;
- tile.QCC = context.QCC.slice(0);
- }
- context.currentTile = tile;
- break;
- case 0xff93:
- tile = context.currentTile;
- if (tile.partIndex === 0) {
- initializeTile(context, tile.index);
- buildPackets(context);
- }
- length = tile.dataEnd - position;
- parseTilePackets(context, data, position, length);
- break;
- case 0xff53:
- (0, _util.warn)("JPX: Codestream code 0xFF53 (COC) is not implemented.");
- case 0xff55:
- case 0xff57:
- case 0xff58:
- case 0xff64:
- length = (0, _core_utils.readUint16)(data, position);
- break;
- default:
- throw new Error("Unknown codestream code: " + code.toString(16));
- }
- position += length;
- }
- } catch (e) {
- if (doNotRecover || this.failOnCorruptedImage) {
- throw new JpxError(e.message);
- } else {
- (0, _util.warn)("JPX: Trying to recover from: \"".concat(e.message, "\"."));
- }
- }
- this.tiles = transformComponents(context);
- this.width = context.SIZ.Xsiz - context.SIZ.XOsiz;
- this.height = context.SIZ.Ysiz - context.SIZ.YOsiz;
- this.componentsCount = context.SIZ.Csiz;
- }
- }]);
- return JpxImage;
- }();
- exports.JpxImage = JpxImage;
- function calculateComponentDimensions(component, siz) {
- component.x0 = Math.ceil(siz.XOsiz / component.XRsiz);
- component.x1 = Math.ceil(siz.Xsiz / component.XRsiz);
- component.y0 = Math.ceil(siz.YOsiz / component.YRsiz);
- component.y1 = Math.ceil(siz.Ysiz / component.YRsiz);
- component.width = component.x1 - component.x0;
- component.height = component.y1 - component.y0;
- }
- function calculateTileGrids(context, components) {
- var siz = context.SIZ;
- var tiles = [];
- var tile;
- var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
- var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
- for (var q = 0; q < numYtiles; q++) {
- for (var p = 0; p < numXtiles; p++) {
- tile = {};
- tile.tx0 = Math.max(siz.XTOsiz + p * siz.XTsiz, siz.XOsiz);
- tile.ty0 = Math.max(siz.YTOsiz + q * siz.YTsiz, siz.YOsiz);
- tile.tx1 = Math.min(siz.XTOsiz + (p + 1) * siz.XTsiz, siz.Xsiz);
- tile.ty1 = Math.min(siz.YTOsiz + (q + 1) * siz.YTsiz, siz.Ysiz);
- tile.width = tile.tx1 - tile.tx0;
- tile.height = tile.ty1 - tile.ty0;
- tile.components = [];
- tiles.push(tile);
- }
- }
- context.tiles = tiles;
- var componentsCount = siz.Csiz;
- for (var i = 0, ii = componentsCount; i < ii; i++) {
- var component = components[i];
- for (var j = 0, jj = tiles.length; j < jj; j++) {
- var tileComponent = {};
- tile = tiles[j];
- tileComponent.tcx0 = Math.ceil(tile.tx0 / component.XRsiz);
- tileComponent.tcy0 = Math.ceil(tile.ty0 / component.YRsiz);
- tileComponent.tcx1 = Math.ceil(tile.tx1 / component.XRsiz);
- tileComponent.tcy1 = Math.ceil(tile.ty1 / component.YRsiz);
- tileComponent.width = tileComponent.tcx1 - tileComponent.tcx0;
- tileComponent.height = tileComponent.tcy1 - tileComponent.tcy0;
- tile.components[i] = tileComponent;
- }
- }
- }
- function getBlocksDimensions(context, component, r) {
- var codOrCoc = component.codingStyleParameters;
- var result = {};
- if (!codOrCoc.entropyCoderWithCustomPrecincts) {
- result.PPx = 15;
- result.PPy = 15;
- } else {
- result.PPx = codOrCoc.precinctsSizes[r].PPx;
- result.PPy = codOrCoc.precinctsSizes[r].PPy;
- }
- result.xcb_ = r > 0 ? Math.min(codOrCoc.xcb, result.PPx - 1) : Math.min(codOrCoc.xcb, result.PPx);
- result.ycb_ = r > 0 ? Math.min(codOrCoc.ycb, result.PPy - 1) : Math.min(codOrCoc.ycb, result.PPy);
- return result;
- }
- function buildPrecincts(context, resolution, dimensions) {
- var precinctWidth = 1 << dimensions.PPx;
- var precinctHeight = 1 << dimensions.PPy;
- var isZeroRes = resolution.resLevel === 0;
- var precinctWidthInSubband = 1 << dimensions.PPx + (isZeroRes ? 0 : -1);
- var precinctHeightInSubband = 1 << dimensions.PPy + (isZeroRes ? 0 : -1);
- var numprecinctswide = resolution.trx1 > resolution.trx0 ? Math.ceil(resolution.trx1 / precinctWidth) - Math.floor(resolution.trx0 / precinctWidth) : 0;
- var numprecinctshigh = resolution.try1 > resolution.try0 ? Math.ceil(resolution.try1 / precinctHeight) - Math.floor(resolution.try0 / precinctHeight) : 0;
- var numprecincts = numprecinctswide * numprecinctshigh;
- resolution.precinctParameters = {
- precinctWidth: precinctWidth,
- precinctHeight: precinctHeight,
- numprecinctswide: numprecinctswide,
- numprecinctshigh: numprecinctshigh,
- numprecincts: numprecincts,
- precinctWidthInSubband: precinctWidthInSubband,
- precinctHeightInSubband: precinctHeightInSubband
- };
- }
- function buildCodeblocks(context, subband, dimensions) {
- var xcb_ = dimensions.xcb_;
- var ycb_ = dimensions.ycb_;
- var codeblockWidth = 1 << xcb_;
- var codeblockHeight = 1 << ycb_;
- var cbx0 = subband.tbx0 >> xcb_;
- var cby0 = subband.tby0 >> ycb_;
- var cbx1 = subband.tbx1 + codeblockWidth - 1 >> xcb_;
- var cby1 = subband.tby1 + codeblockHeight - 1 >> ycb_;
- var precinctParameters = subband.resolution.precinctParameters;
- var codeblocks = [];
- var precincts = [];
- var i, j, codeblock, precinctNumber;
- for (j = cby0; j < cby1; j++) {
- for (i = cbx0; i < cbx1; i++) {
- codeblock = {
- cbx: i,
- cby: j,
- tbx0: codeblockWidth * i,
- tby0: codeblockHeight * j,
- tbx1: codeblockWidth * (i + 1),
- tby1: codeblockHeight * (j + 1)
- };
- codeblock.tbx0_ = Math.max(subband.tbx0, codeblock.tbx0);
- codeblock.tby0_ = Math.max(subband.tby0, codeblock.tby0);
- codeblock.tbx1_ = Math.min(subband.tbx1, codeblock.tbx1);
- codeblock.tby1_ = Math.min(subband.tby1, codeblock.tby1);
- var pi = Math.floor((codeblock.tbx0_ - subband.tbx0) / precinctParameters.precinctWidthInSubband);
- var pj = Math.floor((codeblock.tby0_ - subband.tby0) / precinctParameters.precinctHeightInSubband);
- precinctNumber = pi + pj * precinctParameters.numprecinctswide;
- codeblock.precinctNumber = precinctNumber;
- codeblock.subbandType = subband.type;
- codeblock.Lblock = 3;
- if (codeblock.tbx1_ <= codeblock.tbx0_ || codeblock.tby1_ <= codeblock.tby0_) {
- continue;
- }
- codeblocks.push(codeblock);
- var precinct = precincts[precinctNumber];
- if (precinct !== undefined) {
- if (i < precinct.cbxMin) {
- precinct.cbxMin = i;
- } else if (i > precinct.cbxMax) {
- precinct.cbxMax = i;
- }
- if (j < precinct.cbyMin) {
- precinct.cbxMin = j;
- } else if (j > precinct.cbyMax) {
- precinct.cbyMax = j;
- }
- } else {
- precincts[precinctNumber] = precinct = {
- cbxMin: i,
- cbyMin: j,
- cbxMax: i,
- cbyMax: j
- };
- }
- codeblock.precinct = precinct;
- }
- }
- subband.codeblockParameters = {
- codeblockWidth: xcb_,
- codeblockHeight: ycb_,
- numcodeblockwide: cbx1 - cbx0 + 1,
- numcodeblockhigh: cby1 - cby0 + 1
- };
- subband.codeblocks = codeblocks;
- subband.precincts = precincts;
- }
- function createPacket(resolution, precinctNumber, layerNumber) {
- var precinctCodeblocks = [];
- var subbands = resolution.subbands;
- for (var i = 0, ii = subbands.length; i < ii; i++) {
- var subband = subbands[i];
- var codeblocks = subband.codeblocks;
- for (var j = 0, jj = codeblocks.length; j < jj; j++) {
- var codeblock = codeblocks[j];
- if (codeblock.precinctNumber !== precinctNumber) {
- continue;
- }
- precinctCodeblocks.push(codeblock);
- }
- }
- return {
- layerNumber: layerNumber,
- codeblocks: precinctCodeblocks
- };
- }
- function LayerResolutionComponentPositionIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var maxDecompositionLevelsCount = 0;
- for (var q = 0; q < componentsCount; q++) {
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
- }
- var l = 0,
- r = 0,
- i = 0,
- k = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- for (; l < layersCount; l++) {
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; i < componentsCount; i++) {
- var component = tile.components[i];
- if (r > component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- for (; k < numprecincts;) {
- var packet = createPacket(resolution, k, l);
- k++;
- return packet;
- }
- k = 0;
- }
- i = 0;
- }
- r = 0;
- }
- throw new JpxError("Out of packets");
- };
- }
- function ResolutionLayerComponentPositionIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var maxDecompositionLevelsCount = 0;
- for (var q = 0; q < componentsCount; q++) {
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
- }
- var r = 0,
- l = 0,
- i = 0,
- k = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; l < layersCount; l++) {
- for (; i < componentsCount; i++) {
- var component = tile.components[i];
- if (r > component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- for (; k < numprecincts;) {
- var packet = createPacket(resolution, k, l);
- k++;
- return packet;
- }
- k = 0;
- }
- i = 0;
- }
- l = 0;
- }
- throw new JpxError("Out of packets");
- };
- }
- function ResolutionPositionComponentLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var l, r, c, p;
- var maxDecompositionLevelsCount = 0;
- for (c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, component.codingStyleParameters.decompositionLevelsCount);
- }
- var maxNumPrecinctsInLevel = new Int32Array(maxDecompositionLevelsCount + 1);
- for (r = 0; r <= maxDecompositionLevelsCount; ++r) {
- var maxNumPrecincts = 0;
- for (c = 0; c < componentsCount; ++c) {
- var resolutions = tile.components[c].resolutions;
- if (r < resolutions.length) {
- maxNumPrecincts = Math.max(maxNumPrecincts, resolutions[r].precinctParameters.numprecincts);
- }
- }
- maxNumPrecinctsInLevel[r] = maxNumPrecincts;
- }
- l = 0;
- r = 0;
- c = 0;
- p = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- for (; r <= maxDecompositionLevelsCount; r++) {
- for (; p < maxNumPrecinctsInLevel[r]; p++) {
- for (; c < componentsCount; c++) {
- var _component = tile.components[c];
- if (r > _component.codingStyleParameters.decompositionLevelsCount) {
- continue;
- }
- var resolution = _component.resolutions[r];
- var numprecincts = resolution.precinctParameters.numprecincts;
- if (p >= numprecincts) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, p, l);
- l++;
- return packet;
- }
- l = 0;
- }
- c = 0;
- }
- p = 0;
- }
- throw new JpxError("Out of packets");
- };
- }
- function PositionComponentResolutionLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var precinctsSizes = getPrecinctSizesInImageScale(tile);
- var precinctsIterationSizes = precinctsSizes;
- var l = 0,
- r = 0,
- c = 0,
- px = 0,
- py = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- for (; py < precinctsIterationSizes.maxNumHigh; py++) {
- for (; px < precinctsIterationSizes.maxNumWide; px++) {
- for (; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- for (; r <= decompositionLevelsCount; r++) {
- var resolution = component.resolutions[r];
- var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
- var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
- if (k === null) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, k, l);
- l++;
- return packet;
- }
- l = 0;
- }
- r = 0;
- }
- c = 0;
- }
- px = 0;
- }
- throw new JpxError("Out of packets");
- };
- }
- function ComponentPositionResolutionLayerIterator(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var layersCount = tile.codingStyleDefaultParameters.layersCount;
- var componentsCount = siz.Csiz;
- var precinctsSizes = getPrecinctSizesInImageScale(tile);
- var l = 0,
- r = 0,
- c = 0,
- px = 0,
- py = 0;
- this.nextPacket = function JpxImage_nextPacket() {
- for (; c < componentsCount; ++c) {
- var component = tile.components[c];
- var precinctsIterationSizes = precinctsSizes.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- for (; py < precinctsIterationSizes.maxNumHigh; py++) {
- for (; px < precinctsIterationSizes.maxNumWide; px++) {
- for (; r <= decompositionLevelsCount; r++) {
- var resolution = component.resolutions[r];
- var sizeInImageScale = precinctsIterationSizes.resolutions[r];
- var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
- if (k === null) {
- continue;
- }
- for (; l < layersCount;) {
- var packet = createPacket(resolution, k, l);
- l++;
- return packet;
- }
- l = 0;
- }
- r = 0;
- }
- px = 0;
- }
- py = 0;
- }
- throw new JpxError("Out of packets");
- };
- }
- function getPrecinctIndexIfExist(pxIndex, pyIndex, sizeInImageScale, precinctIterationSizes, resolution) {
- var posX = pxIndex * precinctIterationSizes.minWidth;
- var posY = pyIndex * precinctIterationSizes.minHeight;
- if (posX % sizeInImageScale.width !== 0 || posY % sizeInImageScale.height !== 0) {
- return null;
- }
- var startPrecinctRowIndex = posY / sizeInImageScale.width * resolution.precinctParameters.numprecinctswide;
- return posX / sizeInImageScale.height + startPrecinctRowIndex;
- }
- function getPrecinctSizesInImageScale(tile) {
- var componentsCount = tile.components.length;
- var minWidth = Number.MAX_VALUE;
- var minHeight = Number.MAX_VALUE;
- var maxNumWide = 0;
- var maxNumHigh = 0;
- var sizePerComponent = new Array(componentsCount);
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- var sizePerResolution = new Array(decompositionLevelsCount + 1);
- var minWidthCurrentComponent = Number.MAX_VALUE;
- var minHeightCurrentComponent = Number.MAX_VALUE;
- var maxNumWideCurrentComponent = 0;
- var maxNumHighCurrentComponent = 0;
- var scale = 1;
- for (var r = decompositionLevelsCount; r >= 0; --r) {
- var resolution = component.resolutions[r];
- var widthCurrentResolution = scale * resolution.precinctParameters.precinctWidth;
- var heightCurrentResolution = scale * resolution.precinctParameters.precinctHeight;
- minWidthCurrentComponent = Math.min(minWidthCurrentComponent, widthCurrentResolution);
- minHeightCurrentComponent = Math.min(minHeightCurrentComponent, heightCurrentResolution);
- maxNumWideCurrentComponent = Math.max(maxNumWideCurrentComponent, resolution.precinctParameters.numprecinctswide);
- maxNumHighCurrentComponent = Math.max(maxNumHighCurrentComponent, resolution.precinctParameters.numprecinctshigh);
- sizePerResolution[r] = {
- width: widthCurrentResolution,
- height: heightCurrentResolution
- };
- scale <<= 1;
- }
- minWidth = Math.min(minWidth, minWidthCurrentComponent);
- minHeight = Math.min(minHeight, minHeightCurrentComponent);
- maxNumWide = Math.max(maxNumWide, maxNumWideCurrentComponent);
- maxNumHigh = Math.max(maxNumHigh, maxNumHighCurrentComponent);
- sizePerComponent[c] = {
- resolutions: sizePerResolution,
- minWidth: minWidthCurrentComponent,
- minHeight: minHeightCurrentComponent,
- maxNumWide: maxNumWideCurrentComponent,
- maxNumHigh: maxNumHighCurrentComponent
- };
- }
- return {
- components: sizePerComponent,
- minWidth: minWidth,
- minHeight: minHeight,
- maxNumWide: maxNumWide,
- maxNumHigh: maxNumHigh
- };
- }
- function buildPackets(context) {
- var siz = context.SIZ;
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var componentsCount = siz.Csiz;
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
- var resolutions = [];
- var subbands = [];
- for (var r = 0; r <= decompositionLevelsCount; r++) {
- var blocksDimensions = getBlocksDimensions(context, component, r);
- var resolution = {};
- var scale = 1 << decompositionLevelsCount - r;
- resolution.trx0 = Math.ceil(component.tcx0 / scale);
- resolution.try0 = Math.ceil(component.tcy0 / scale);
- resolution.trx1 = Math.ceil(component.tcx1 / scale);
- resolution.try1 = Math.ceil(component.tcy1 / scale);
- resolution.resLevel = r;
- buildPrecincts(context, resolution, blocksDimensions);
- resolutions.push(resolution);
- var subband = void 0;
- if (r === 0) {
- subband = {};
- subband.type = "LL";
- subband.tbx0 = Math.ceil(component.tcx0 / scale);
- subband.tby0 = Math.ceil(component.tcy0 / scale);
- subband.tbx1 = Math.ceil(component.tcx1 / scale);
- subband.tby1 = Math.ceil(component.tcy1 / scale);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolution.subbands = [subband];
- } else {
- var bscale = 1 << decompositionLevelsCount - r + 1;
- var resolutionSubbands = [];
- subband = {};
- subband.type = "HL";
- subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
- subband.tby0 = Math.ceil(component.tcy0 / bscale);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
- subband.tby1 = Math.ceil(component.tcy1 / bscale);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- subband = {};
- subband.type = "LH";
- subband.tbx0 = Math.ceil(component.tcx0 / bscale);
- subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale);
- subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- subband = {};
- subband.type = "HH";
- subband.tbx0 = Math.ceil(component.tcx0 / bscale - 0.5);
- subband.tby0 = Math.ceil(component.tcy0 / bscale - 0.5);
- subband.tbx1 = Math.ceil(component.tcx1 / bscale - 0.5);
- subband.tby1 = Math.ceil(component.tcy1 / bscale - 0.5);
- subband.resolution = resolution;
- buildCodeblocks(context, subband, blocksDimensions);
- subbands.push(subband);
- resolutionSubbands.push(subband);
- resolution.subbands = resolutionSubbands;
- }
- }
- component.resolutions = resolutions;
- component.subbands = subbands;
- }
- var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
- switch (progressionOrder) {
- case 0:
- tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
- break;
- case 1:
- tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
- break;
- case 2:
- tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
- break;
- case 3:
- tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
- break;
- case 4:
- tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
- break;
- default:
- throw new JpxError("Unsupported progression order ".concat(progressionOrder));
- }
- }
- function parseTilePackets(context, data, offset, dataLength) {
- var position = 0;
- var buffer,
- bufferSize = 0,
- skipNextBit = false;
- function readBits(count) {
- while (bufferSize < count) {
- var b = data[offset + position];
- position++;
- if (skipNextBit) {
- buffer = buffer << 7 | b;
- bufferSize += 7;
- skipNextBit = false;
- } else {
- buffer = buffer << 8 | b;
- bufferSize += 8;
- }
- if (b === 0xff) {
- skipNextBit = true;
- }
- }
- bufferSize -= count;
- return buffer >>> bufferSize & (1 << count) - 1;
- }
- function skipMarkerIfEqual(value) {
- if (data[offset + position - 1] === 0xff && data[offset + position] === value) {
- skipBytes(1);
- return true;
- } else if (data[offset + position] === 0xff && data[offset + position + 1] === value) {
- skipBytes(2);
- return true;
- }
- return false;
- }
- function skipBytes(count) {
- position += count;
- }
- function alignToByte() {
- bufferSize = 0;
- if (skipNextBit) {
- position++;
- skipNextBit = false;
- }
- }
- function readCodingpasses() {
- if (readBits(1) === 0) {
- return 1;
- }
- if (readBits(1) === 0) {
- return 2;
- }
- var value = readBits(2);
- if (value < 3) {
- return value + 3;
- }
- value = readBits(5);
- if (value < 31) {
- return value + 6;
- }
- value = readBits(7);
- return value + 37;
- }
- var tileIndex = context.currentTile.index;
- var tile = context.tiles[tileIndex];
- var sopMarkerUsed = context.COD.sopMarkerUsed;
- var ephMarkerUsed = context.COD.ephMarkerUsed;
- var packetsIterator = tile.packetsIterator;
- while (position < dataLength) {
- alignToByte();
- if (sopMarkerUsed && skipMarkerIfEqual(0x91)) {
- skipBytes(4);
- }
- var packet = packetsIterator.nextPacket();
- if (!readBits(1)) {
- continue;
- }
- var layerNumber = packet.layerNumber,
- queue = [];
- var codeblock = void 0;
- for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
- codeblock = packet.codeblocks[i];
- var precinct = codeblock.precinct;
- var codeblockColumn = codeblock.cbx - precinct.cbxMin;
- var codeblockRow = codeblock.cby - precinct.cbyMin;
- var codeblockIncluded = false;
- var firstTimeInclusion = false;
- var valueReady = void 0,
- zeroBitPlanesTree = void 0;
- if (codeblock.included !== undefined) {
- codeblockIncluded = !!readBits(1);
- } else {
- precinct = codeblock.precinct;
- var inclusionTree = void 0;
- if (precinct.inclusionTree !== undefined) {
- inclusionTree = precinct.inclusionTree;
- } else {
- var width = precinct.cbxMax - precinct.cbxMin + 1;
- var height = precinct.cbyMax - precinct.cbyMin + 1;
- inclusionTree = new InclusionTree(width, height, layerNumber);
- zeroBitPlanesTree = new TagTree(width, height);
- precinct.inclusionTree = inclusionTree;
- precinct.zeroBitPlanesTree = zeroBitPlanesTree;
- for (var l = 0; l < layerNumber; l++) {
- if (readBits(1) !== 0) {
- throw new JpxError("Invalid tag tree");
- }
- }
- }
- if (inclusionTree.reset(codeblockColumn, codeblockRow, layerNumber)) {
- while (true) {
- if (readBits(1)) {
- valueReady = !inclusionTree.nextLevel();
- if (valueReady) {
- codeblock.included = true;
- codeblockIncluded = firstTimeInclusion = true;
- break;
- }
- } else {
- inclusionTree.incrementValue(layerNumber);
- break;
- }
- }
- }
- }
- if (!codeblockIncluded) {
- continue;
- }
- if (firstTimeInclusion) {
- zeroBitPlanesTree = precinct.zeroBitPlanesTree;
- zeroBitPlanesTree.reset(codeblockColumn, codeblockRow);
- while (true) {
- if (readBits(1)) {
- valueReady = !zeroBitPlanesTree.nextLevel();
- if (valueReady) {
- break;
- }
- } else {
- zeroBitPlanesTree.incrementValue();
- }
- }
- codeblock.zeroBitPlanes = zeroBitPlanesTree.value;
- }
- var codingpasses = readCodingpasses();
- while (readBits(1)) {
- codeblock.Lblock++;
- }
- var codingpassesLog2 = (0, _core_utils.log2)(codingpasses);
- var bits = (codingpasses < 1 << codingpassesLog2 ? codingpassesLog2 - 1 : codingpassesLog2) + codeblock.Lblock;
- var codedDataLength = readBits(bits);
- queue.push({
- codeblock: codeblock,
- codingpasses: codingpasses,
- dataLength: codedDataLength
- });
- }
- alignToByte();
- if (ephMarkerUsed) {
- skipMarkerIfEqual(0x92);
- }
- while (queue.length > 0) {
- var packetItem = queue.shift();
- codeblock = packetItem.codeblock;
- if (codeblock.data === undefined) {
- codeblock.data = [];
- }
- codeblock.data.push({
- data: data,
- start: offset + position,
- end: offset + position + packetItem.dataLength,
- codingpasses: packetItem.codingpasses
- });
- position += packetItem.dataLength;
- }
- }
- return position;
- }
- function copyCoefficients(coefficients, levelWidth, levelHeight, subband, delta, mb, reversible, segmentationSymbolUsed) {
- var x0 = subband.tbx0;
- var y0 = subband.tby0;
- var width = subband.tbx1 - subband.tbx0;
- var codeblocks = subband.codeblocks;
- var right = subband.type.charAt(0) === "H" ? 1 : 0;
- var bottom = subband.type.charAt(1) === "H" ? levelWidth : 0;
- for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
- var codeblock = codeblocks[i];
- var blockWidth = codeblock.tbx1_ - codeblock.tbx0_;
- var blockHeight = codeblock.tby1_ - codeblock.tby0_;
- if (blockWidth === 0 || blockHeight === 0) {
- continue;
- }
- if (codeblock.data === undefined) {
- continue;
- }
- var bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
- var currentCodingpassType = 2;
- var data = codeblock.data;
- var totalLength = 0,
- codingpasses = 0;
- var j = void 0,
- jj = void 0,
- dataItem = void 0;
- for (j = 0, jj = data.length; j < jj; j++) {
- dataItem = data[j];
- totalLength += dataItem.end - dataItem.start;
- codingpasses += dataItem.codingpasses;
- }
- var encodedData = new Uint8Array(totalLength);
- var position = 0;
- for (j = 0, jj = data.length; j < jj; j++) {
- dataItem = data[j];
- var chunk = dataItem.data.subarray(dataItem.start, dataItem.end);
- encodedData.set(chunk, position);
- position += chunk.length;
- }
- var decoder = new _arithmetic_decoder.ArithmeticDecoder(encodedData, 0, totalLength);
- bitModel.setDecoder(decoder);
- for (j = 0; j < codingpasses; j++) {
- switch (currentCodingpassType) {
- case 0:
- bitModel.runSignificancePropagationPass();
- break;
- case 1:
- bitModel.runMagnitudeRefinementPass();
- break;
- case 2:
- bitModel.runCleanupPass();
- if (segmentationSymbolUsed) {
- bitModel.checkSegmentationSymbol();
- }
- break;
- }
- currentCodingpassType = (currentCodingpassType + 1) % 3;
- }
- var offset = codeblock.tbx0_ - x0 + (codeblock.tby0_ - y0) * width;
- var sign = bitModel.coefficentsSign;
- var magnitude = bitModel.coefficentsMagnitude;
- var bitsDecoded = bitModel.bitsDecoded;
- var magnitudeCorrection = reversible ? 0 : 0.5;
- var k = void 0,
- n = void 0,
- nb = void 0;
- position = 0;
- var interleave = subband.type !== "LL";
- for (j = 0; j < blockHeight; j++) {
- var row = offset / width | 0;
- var levelOffset = 2 * row * (levelWidth - width) + right + bottom;
- for (k = 0; k < blockWidth; k++) {
- n = magnitude[position];
- if (n !== 0) {
- n = (n + magnitudeCorrection) * delta;
- if (sign[position] !== 0) {
- n = -n;
- }
- nb = bitsDecoded[position];
- var pos = interleave ? levelOffset + (offset << 1) : offset;
- if (reversible && nb >= mb) {
- coefficients[pos] = n;
- } else {
- coefficients[pos] = n * (1 << mb - nb);
- }
- }
- offset++;
- position++;
- }
- offset += width - blockWidth;
- }
- }
- }
- function transformTile(context, tile, c) {
- var component = tile.components[c];
- var codingStyleParameters = component.codingStyleParameters;
- var quantizationParameters = component.quantizationParameters;
- var decompositionLevelsCount = codingStyleParameters.decompositionLevelsCount;
- var spqcds = quantizationParameters.SPqcds;
- var scalarExpounded = quantizationParameters.scalarExpounded;
- var guardBits = quantizationParameters.guardBits;
- var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
- var precision = context.components[c].precision;
- var reversible = codingStyleParameters.reversibleTransformation;
- var transform = reversible ? new ReversibleTransform() : new IrreversibleTransform();
- var subbandCoefficients = [];
- var b = 0;
- for (var i = 0; i <= decompositionLevelsCount; i++) {
- var resolution = component.resolutions[i];
- var width = resolution.trx1 - resolution.trx0;
- var height = resolution.try1 - resolution.try0;
- var coefficients = new Float32Array(width * height);
- for (var j = 0, jj = resolution.subbands.length; j < jj; j++) {
- var mu = void 0,
- epsilon = void 0;
- if (!scalarExpounded) {
- mu = spqcds[0].mu;
- epsilon = spqcds[0].epsilon + (i > 0 ? 1 - i : 0);
- } else {
- mu = spqcds[b].mu;
- epsilon = spqcds[b].epsilon;
- b++;
- }
- var subband = resolution.subbands[j];
- var gainLog2 = SubbandsGainLog2[subband.type];
- var delta = reversible ? 1 : Math.pow(2, precision + gainLog2 - epsilon) * (1 + mu / 2048);
- var mb = guardBits + epsilon - 1;
- copyCoefficients(coefficients, width, height, subband, delta, mb, reversible, segmentationSymbolUsed);
- }
- subbandCoefficients.push({
- width: width,
- height: height,
- items: coefficients
- });
- }
- var result = transform.calculate(subbandCoefficients, component.tcx0, component.tcy0);
- return {
- left: component.tcx0,
- top: component.tcy0,
- width: result.width,
- height: result.height,
- items: result.items
- };
- }
- function transformComponents(context) {
- var siz = context.SIZ;
- var components = context.components;
- var componentsCount = siz.Csiz;
- var resultImages = [];
- for (var i = 0, ii = context.tiles.length; i < ii; i++) {
- var tile = context.tiles[i];
- var transformedTiles = [];
- for (var c = 0; c < componentsCount; c++) {
- transformedTiles[c] = transformTile(context, tile, c);
- }
- var tile0 = transformedTiles[0];
- var out = new Uint8ClampedArray(tile0.items.length * componentsCount);
- var result = {
- left: tile0.left,
- top: tile0.top,
- width: tile0.width,
- height: tile0.height,
- items: out
- };
- var shift = void 0,
- offset = void 0;
- var pos = 0,
- j = void 0,
- jj = void 0,
- y0 = void 0,
- y1 = void 0,
- y2 = void 0;
- if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
- var fourComponents = componentsCount === 4;
- var y0items = transformedTiles[0].items;
- var y1items = transformedTiles[1].items;
- var y2items = transformedTiles[2].items;
- var y3items = fourComponents ? transformedTiles[3].items : null;
- shift = components[0].precision - 8;
- offset = (128 << shift) + 0.5;
- var component0 = tile.components[0];
- var alpha01 = componentsCount - 3;
- jj = y0items.length;
- if (!component0.codingStyleParameters.reversibleTransformation) {
- for (j = 0; j < jj; j++, pos += alpha01) {
- y0 = y0items[j] + offset;
- y1 = y1items[j];
- y2 = y2items[j];
- out[pos++] = y0 + 1.402 * y2 >> shift;
- out[pos++] = y0 - 0.34413 * y1 - 0.71414 * y2 >> shift;
- out[pos++] = y0 + 1.772 * y1 >> shift;
- }
- } else {
- for (j = 0; j < jj; j++, pos += alpha01) {
- y0 = y0items[j] + offset;
- y1 = y1items[j];
- y2 = y2items[j];
- var g = y0 - (y2 + y1 >> 2);
- out[pos++] = g + y2 >> shift;
- out[pos++] = g >> shift;
- out[pos++] = g + y1 >> shift;
- }
- }
- if (fourComponents) {
- for (j = 0, pos = 3; j < jj; j++, pos += 4) {
- out[pos] = y3items[j] + offset >> shift;
- }
- }
- } else {
- for (var _c = 0; _c < componentsCount; _c++) {
- var items = transformedTiles[_c].items;
- shift = components[_c].precision - 8;
- offset = (128 << shift) + 0.5;
- for (pos = _c, j = 0, jj = items.length; j < jj; j++) {
- out[pos] = items[j] + offset >> shift;
- pos += componentsCount;
- }
- }
- }
- resultImages.push(result);
- }
- return resultImages;
- }
- function initializeTile(context, tileIndex) {
- var siz = context.SIZ;
- var componentsCount = siz.Csiz;
- var tile = context.tiles[tileIndex];
- for (var c = 0; c < componentsCount; c++) {
- var component = tile.components[c];
- var qcdOrQcc = context.currentTile.QCC[c] !== undefined ? context.currentTile.QCC[c] : context.currentTile.QCD;
- component.quantizationParameters = qcdOrQcc;
- var codOrCoc = context.currentTile.COC[c] !== undefined ? context.currentTile.COC[c] : context.currentTile.COD;
- component.codingStyleParameters = codOrCoc;
- }
- tile.codingStyleDefaultParameters = context.currentTile.COD;
- }
- var TagTree = /*#__PURE__*/function () {
- function TagTree(width, height) {
- _classCallCheck(this, TagTree);
- var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
- this.levels = [];
- for (var i = 0; i < levelsLength; i++) {
- var level = {
- width: width,
- height: height,
- items: []
- };
- this.levels.push(level);
- width = Math.ceil(width / 2);
- height = Math.ceil(height / 2);
- }
- }
- _createClass(TagTree, [{
- key: "reset",
- value: function reset(i, j) {
- var currentLevel = 0,
- value = 0,
- level;
- while (currentLevel < this.levels.length) {
- level = this.levels[currentLevel];
- var index = i + j * level.width;
- if (level.items[index] !== undefined) {
- value = level.items[index];
- break;
- }
- level.index = index;
- i >>= 1;
- j >>= 1;
- currentLevel++;
- }
- currentLevel--;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- this.currentLevel = currentLevel;
- delete this.value;
- }
- }, {
- key: "incrementValue",
- value: function incrementValue() {
- var level = this.levels[this.currentLevel];
- level.items[level.index]++;
- }
- }, {
- key: "nextLevel",
- value: function nextLevel() {
- var currentLevel = this.currentLevel;
- var level = this.levels[currentLevel];
- var value = level.items[level.index];
- currentLevel--;
- if (currentLevel < 0) {
- this.value = value;
- return false;
- }
- this.currentLevel = currentLevel;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- return true;
- }
- }]);
- return TagTree;
- }();
- var InclusionTree = /*#__PURE__*/function () {
- function InclusionTree(width, height, defaultValue) {
- _classCallCheck(this, InclusionTree);
- var levelsLength = (0, _core_utils.log2)(Math.max(width, height)) + 1;
- this.levels = [];
- for (var i = 0; i < levelsLength; i++) {
- var items = new Uint8Array(width * height);
- for (var j = 0, jj = items.length; j < jj; j++) {
- items[j] = defaultValue;
- }
- var level = {
- width: width,
- height: height,
- items: items
- };
- this.levels.push(level);
- width = Math.ceil(width / 2);
- height = Math.ceil(height / 2);
- }
- }
- _createClass(InclusionTree, [{
- key: "reset",
- value: function reset(i, j, stopValue) {
- var currentLevel = 0;
- while (currentLevel < this.levels.length) {
- var level = this.levels[currentLevel];
- var index = i + j * level.width;
- level.index = index;
- var value = level.items[index];
- if (value === 0xff) {
- break;
- }
- if (value > stopValue) {
- this.currentLevel = currentLevel;
- this.propagateValues();
- return false;
- }
- i >>= 1;
- j >>= 1;
- currentLevel++;
- }
- this.currentLevel = currentLevel - 1;
- return true;
- }
- }, {
- key: "incrementValue",
- value: function incrementValue(stopValue) {
- var level = this.levels[this.currentLevel];
- level.items[level.index] = stopValue + 1;
- this.propagateValues();
- }
- }, {
- key: "propagateValues",
- value: function propagateValues() {
- var levelIndex = this.currentLevel;
- var level = this.levels[levelIndex];
- var currentValue = level.items[level.index];
- while (--levelIndex >= 0) {
- level = this.levels[levelIndex];
- level.items[level.index] = currentValue;
- }
- }
- }, {
- key: "nextLevel",
- value: function nextLevel() {
- var currentLevel = this.currentLevel;
- var level = this.levels[currentLevel];
- var value = level.items[level.index];
- level.items[level.index] = 0xff;
- currentLevel--;
- if (currentLevel < 0) {
- return false;
- }
- this.currentLevel = currentLevel;
- level = this.levels[currentLevel];
- level.items[level.index] = value;
- return true;
- }
- }]);
- return InclusionTree;
- }();
- var BitModel = function BitModelClosure() {
- var UNIFORM_CONTEXT = 17;
- var RUNLENGTH_CONTEXT = 18;
- var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
- var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
- var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
- var BitModel = /*#__PURE__*/function () {
- function BitModel(width, height, subband, zeroBitPlanes, mb) {
- _classCallCheck(this, BitModel);
- this.width = width;
- this.height = height;
- var contextLabelTable;
- if (subband === "HH") {
- contextLabelTable = HHContextLabel;
- } else if (subband === "HL") {
- contextLabelTable = HLContextLabel;
- } else {
- contextLabelTable = LLAndLHContextsLabel;
- }
- this.contextLabelTable = contextLabelTable;
- var coefficientCount = width * height;
- this.neighborsSignificance = new Uint8Array(coefficientCount);
- this.coefficentsSign = new Uint8Array(coefficientCount);
- var coefficentsMagnitude;
- if (mb > 14) {
- coefficentsMagnitude = new Uint32Array(coefficientCount);
- } else if (mb > 6) {
- coefficentsMagnitude = new Uint16Array(coefficientCount);
- } else {
- coefficentsMagnitude = new Uint8Array(coefficientCount);
- }
- this.coefficentsMagnitude = coefficentsMagnitude;
- this.processingFlags = new Uint8Array(coefficientCount);
- var bitsDecoded = new Uint8Array(coefficientCount);
- if (zeroBitPlanes !== 0) {
- for (var i = 0; i < coefficientCount; i++) {
- bitsDecoded[i] = zeroBitPlanes;
- }
- }
- this.bitsDecoded = bitsDecoded;
- this.reset();
- }
- _createClass(BitModel, [{
- key: "setDecoder",
- value: function setDecoder(decoder) {
- this.decoder = decoder;
- }
- }, {
- key: "reset",
- value: function reset() {
- this.contexts = new Int8Array(19);
- this.contexts[0] = 4 << 1 | 0;
- this.contexts[UNIFORM_CONTEXT] = 46 << 1 | 0;
- this.contexts[RUNLENGTH_CONTEXT] = 3 << 1 | 0;
- }
- }, {
- key: "setNeighborsSignificance",
- value: function setNeighborsSignificance(row, column, index) {
- var neighborsSignificance = this.neighborsSignificance;
- var width = this.width,
- height = this.height;
- var left = column > 0;
- var right = column + 1 < width;
- var i;
- if (row > 0) {
- i = index - width;
- if (left) {
- neighborsSignificance[i - 1] += 0x10;
- }
- if (right) {
- neighborsSignificance[i + 1] += 0x10;
- }
- neighborsSignificance[i] += 0x04;
- }
- if (row + 1 < height) {
- i = index + width;
- if (left) {
- neighborsSignificance[i - 1] += 0x10;
- }
- if (right) {
- neighborsSignificance[i + 1] += 0x10;
- }
- neighborsSignificance[i] += 0x04;
- }
- if (left) {
- neighborsSignificance[index - 1] += 0x01;
- }
- if (right) {
- neighborsSignificance[index + 1] += 0x01;
- }
- neighborsSignificance[index] |= 0x80;
- }
- }, {
- key: "runSignificancePropagationPass",
- value: function runSignificancePropagationPass() {
- var decoder = this.decoder;
- var width = this.width,
- height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var neighborsSignificance = this.neighborsSignificance;
- var processingFlags = this.processingFlags;
- var contexts = this.contexts;
- var labels = this.contextLabelTable;
- var bitsDecoded = this.bitsDecoded;
- var processedInverseMask = ~1;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- for (var i0 = 0; i0 < height; i0 += 4) {
- for (var j = 0; j < width; j++) {
- var index = i0 * width + j;
- for (var i1 = 0; i1 < 4; i1++, index += width) {
- var i = i0 + i1;
- if (i >= height) {
- break;
- }
- processingFlags[index] &= processedInverseMask;
- if (coefficentsMagnitude[index] || !neighborsSignificance[index]) {
- continue;
- }
- var contextLabel = labels[neighborsSignificance[index]];
- var decision = decoder.readBit(contexts, contextLabel);
- if (decision) {
- var sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- }
- bitsDecoded[index]++;
- processingFlags[index] |= processedMask;
- }
- }
- }
- }
- }, {
- key: "decodeSignBit",
- value: function decodeSignBit(row, column, index) {
- var width = this.width,
- height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var contribution, sign0, sign1, significance1;
- var contextLabel, decoded;
- significance1 = column > 0 && coefficentsMagnitude[index - 1] !== 0;
- if (column + 1 < width && coefficentsMagnitude[index + 1] !== 0) {
- sign1 = coefficentsSign[index + 1];
- if (significance1) {
- sign0 = coefficentsSign[index - 1];
- contribution = 1 - sign1 - sign0;
- } else {
- contribution = 1 - sign1 - sign1;
- }
- } else if (significance1) {
- sign0 = coefficentsSign[index - 1];
- contribution = 1 - sign0 - sign0;
- } else {
- contribution = 0;
- }
- var horizontalContribution = 3 * contribution;
- significance1 = row > 0 && coefficentsMagnitude[index - width] !== 0;
- if (row + 1 < height && coefficentsMagnitude[index + width] !== 0) {
- sign1 = coefficentsSign[index + width];
- if (significance1) {
- sign0 = coefficentsSign[index - width];
- contribution = 1 - sign1 - sign0 + horizontalContribution;
- } else {
- contribution = 1 - sign1 - sign1 + horizontalContribution;
- }
- } else if (significance1) {
- sign0 = coefficentsSign[index - width];
- contribution = 1 - sign0 - sign0 + horizontalContribution;
- } else {
- contribution = horizontalContribution;
- }
- if (contribution >= 0) {
- contextLabel = 9 + contribution;
- decoded = this.decoder.readBit(this.contexts, contextLabel);
- } else {
- contextLabel = 9 - contribution;
- decoded = this.decoder.readBit(this.contexts, contextLabel) ^ 1;
- }
- return decoded;
- }
- }, {
- key: "runMagnitudeRefinementPass",
- value: function runMagnitudeRefinementPass() {
- var decoder = this.decoder;
- var width = this.width,
- height = this.height;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var neighborsSignificance = this.neighborsSignificance;
- var contexts = this.contexts;
- var bitsDecoded = this.bitsDecoded;
- var processingFlags = this.processingFlags;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- var length = width * height;
- var width4 = width * 4;
- for (var index0 = 0, indexNext; index0 < length; index0 = indexNext) {
- indexNext = Math.min(length, index0 + width4);
- for (var j = 0; j < width; j++) {
- for (var index = index0 + j; index < indexNext; index += width) {
- if (!coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
- continue;
- }
- var contextLabel = 16;
- if ((processingFlags[index] & firstMagnitudeBitMask) !== 0) {
- processingFlags[index] ^= firstMagnitudeBitMask;
- var significance = neighborsSignificance[index] & 127;
- contextLabel = significance === 0 ? 15 : 14;
- }
- var bit = decoder.readBit(contexts, contextLabel);
- coefficentsMagnitude[index] = coefficentsMagnitude[index] << 1 | bit;
- bitsDecoded[index]++;
- processingFlags[index] |= processedMask;
- }
- }
- }
- }
- }, {
- key: "runCleanupPass",
- value: function runCleanupPass() {
- var decoder = this.decoder;
- var width = this.width,
- height = this.height;
- var neighborsSignificance = this.neighborsSignificance;
- var coefficentsMagnitude = this.coefficentsMagnitude;
- var coefficentsSign = this.coefficentsSign;
- var contexts = this.contexts;
- var labels = this.contextLabelTable;
- var bitsDecoded = this.bitsDecoded;
- var processingFlags = this.processingFlags;
- var processedMask = 1;
- var firstMagnitudeBitMask = 2;
- var oneRowDown = width;
- var twoRowsDown = width * 2;
- var threeRowsDown = width * 3;
- var iNext;
- for (var i0 = 0; i0 < height; i0 = iNext) {
- iNext = Math.min(i0 + 4, height);
- var indexBase = i0 * width;
- var checkAllEmpty = i0 + 3 < height;
- for (var j = 0; j < width; j++) {
- var index0 = indexBase + j;
- var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
- var i1 = 0,
- index = index0;
- var i = i0,
- sign = void 0;
- if (allEmpty) {
- var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
- if (!hasSignificantCoefficent) {
- bitsDecoded[index0]++;
- bitsDecoded[index0 + oneRowDown]++;
- bitsDecoded[index0 + twoRowsDown]++;
- bitsDecoded[index0 + threeRowsDown]++;
- continue;
- }
- i1 = decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
- if (i1 !== 0) {
- i = i0 + i1;
- index += i1 * width;
- }
- sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- index = index0;
- for (var i2 = i0; i2 <= i; i2++, index += width) {
- bitsDecoded[index]++;
- }
- i1++;
- }
- for (i = i0 + i1; i < iNext; i++, index += width) {
- if (coefficentsMagnitude[index] || (processingFlags[index] & processedMask) !== 0) {
- continue;
- }
- var contextLabel = labels[neighborsSignificance[index]];
- var decision = decoder.readBit(contexts, contextLabel);
- if (decision === 1) {
- sign = this.decodeSignBit(i, j, index);
- coefficentsSign[index] = sign;
- coefficentsMagnitude[index] = 1;
- this.setNeighborsSignificance(i, j, index);
- processingFlags[index] |= firstMagnitudeBitMask;
- }
- bitsDecoded[index]++;
- }
- }
- }
- }
- }, {
- key: "checkSegmentationSymbol",
- value: function checkSegmentationSymbol() {
- var decoder = this.decoder;
- var contexts = this.contexts;
- var symbol = decoder.readBit(contexts, UNIFORM_CONTEXT) << 3 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 2 | decoder.readBit(contexts, UNIFORM_CONTEXT) << 1 | decoder.readBit(contexts, UNIFORM_CONTEXT);
- if (symbol !== 0xa) {
- throw new JpxError("Invalid segmentation symbol");
- }
- }
- }]);
- return BitModel;
- }();
- return BitModel;
- }();
- var Transform = /*#__PURE__*/function () {
- function Transform() {
- _classCallCheck(this, Transform);
- if (this.constructor === Transform) {
- (0, _util.unreachable)("Cannot initialize Transform.");
- }
- }
- _createClass(Transform, [{
- key: "calculate",
- value: function calculate(subbands, u0, v0) {
- var ll = subbands[0];
- for (var i = 1, ii = subbands.length; i < ii; i++) {
- ll = this.iterate(ll, subbands[i], u0, v0);
- }
- return ll;
- }
- }, {
- key: "extend",
- value: function extend(buffer, offset, size) {
- var i1 = offset - 1,
- j1 = offset + 1;
- var i2 = offset + size - 2,
- j2 = offset + size;
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1--] = buffer[j1++];
- buffer[j2++] = buffer[i2--];
- buffer[i1] = buffer[j1];
- buffer[j2] = buffer[i2];
- }
- }, {
- key: "filter",
- value: function filter(x, offset, length) {
- (0, _util.unreachable)("Abstract method `filter` called");
- }
- }, {
- key: "iterate",
- value: function iterate(ll, hl_lh_hh, u0, v0) {
- var llWidth = ll.width,
- llHeight = ll.height;
- var llItems = ll.items;
- var width = hl_lh_hh.width;
- var height = hl_lh_hh.height;
- var items = hl_lh_hh.items;
- var i, j, k, l, u, v;
- for (k = 0, i = 0; i < llHeight; i++) {
- l = i * 2 * width;
- for (j = 0; j < llWidth; j++, k++, l += 2) {
- items[l] = llItems[k];
- }
- }
- llItems = ll.items = null;
- var bufferPadding = 4;
- var rowBuffer = new Float32Array(width + 2 * bufferPadding);
- if (width === 1) {
- if ((u0 & 1) !== 0) {
- for (v = 0, k = 0; v < height; v++, k += width) {
- items[k] *= 0.5;
- }
- }
- } else {
- for (v = 0, k = 0; v < height; v++, k += width) {
- rowBuffer.set(items.subarray(k, k + width), bufferPadding);
- this.extend(rowBuffer, bufferPadding, width);
- this.filter(rowBuffer, bufferPadding, width);
- items.set(rowBuffer.subarray(bufferPadding, bufferPadding + width), k);
- }
- }
- var numBuffers = 16;
- var colBuffers = [];
- for (i = 0; i < numBuffers; i++) {
- colBuffers.push(new Float32Array(height + 2 * bufferPadding));
- }
- var b,
- currentBuffer = 0;
- ll = bufferPadding + height;
- if (height === 1) {
- if ((v0 & 1) !== 0) {
- for (u = 0; u < width; u++) {
- items[u] *= 0.5;
- }
- }
- } else {
- for (u = 0; u < width; u++) {
- if (currentBuffer === 0) {
- numBuffers = Math.min(width - u, numBuffers);
- for (k = u, l = bufferPadding; l < ll; k += width, l++) {
- for (b = 0; b < numBuffers; b++) {
- colBuffers[b][l] = items[k + b];
- }
- }
- currentBuffer = numBuffers;
- }
- currentBuffer--;
- var buffer = colBuffers[currentBuffer];
- this.extend(buffer, bufferPadding, height);
- this.filter(buffer, bufferPadding, height);
- if (currentBuffer === 0) {
- k = u - numBuffers + 1;
- for (l = bufferPadding; l < ll; k += width, l++) {
- for (b = 0; b < numBuffers; b++) {
- items[k + b] = colBuffers[b][l];
- }
- }
- }
- }
- }
- return {
- width: width,
- height: height,
- items: items
- };
- }
- }]);
- return Transform;
- }();
- var IrreversibleTransform = /*#__PURE__*/function (_Transform) {
- _inherits(IrreversibleTransform, _Transform);
- var _super2 = _createSuper(IrreversibleTransform);
- function IrreversibleTransform() {
- _classCallCheck(this, IrreversibleTransform);
- return _super2.apply(this, arguments);
- }
- _createClass(IrreversibleTransform, [{
- key: "filter",
- value: function filter(x, offset, length) {
- var len = length >> 1;
- offset |= 0;
- var j, n, current, next;
- var alpha = -1.586134342059924;
- var beta = -0.052980118572961;
- var gamma = 0.882911075530934;
- var delta = 0.443506852043971;
- var K = 1.230174104914001;
- var K_ = 1 / K;
- j = offset - 3;
- for (n = len + 4; n--; j += 2) {
- x[j] *= K_;
- }
- j = offset - 2;
- current = delta * x[j - 1];
- for (n = len + 3; n--; j += 2) {
- next = delta * x[j + 1];
- x[j] = K * x[j] - current - next;
- if (n--) {
- j += 2;
- current = delta * x[j + 1];
- x[j] = K * x[j] - current - next;
- } else {
- break;
- }
- }
- j = offset - 1;
- current = gamma * x[j - 1];
- for (n = len + 2; n--; j += 2) {
- next = gamma * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = gamma * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- j = offset;
- current = beta * x[j - 1];
- for (n = len + 1; n--; j += 2) {
- next = beta * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = beta * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- if (len !== 0) {
- j = offset + 1;
- current = alpha * x[j - 1];
- for (n = len; n--; j += 2) {
- next = alpha * x[j + 1];
- x[j] -= current + next;
- if (n--) {
- j += 2;
- current = alpha * x[j + 1];
- x[j] -= current + next;
- } else {
- break;
- }
- }
- }
- }
- }]);
- return IrreversibleTransform;
- }(Transform);
- var ReversibleTransform = /*#__PURE__*/function (_Transform2) {
- _inherits(ReversibleTransform, _Transform2);
- var _super3 = _createSuper(ReversibleTransform);
- function ReversibleTransform() {
- _classCallCheck(this, ReversibleTransform);
- return _super3.apply(this, arguments);
- }
- _createClass(ReversibleTransform, [{
- key: "filter",
- value: function filter(x, offset, length) {
- var len = length >> 1;
- offset |= 0;
- var j, n;
- for (j = offset, n = len + 1; n--; j += 2) {
- x[j] -= x[j - 1] + x[j + 1] + 2 >> 2;
- }
- for (j = offset + 1, n = len; n--; j += 2) {
- x[j] += x[j - 1] + x[j + 1] >> 1;
- }
- }
- }]);
- return ReversibleTransform;
- }(Transform);
- /***/ })
- /******/ ]);
- /************************************************************************/
- /******/ // The module cache
- /******/ var __webpack_module_cache__ = {};
- /******/
- /******/ // The require function
- /******/ function __w_pdfjs_require__(moduleId) {
- /******/ // Check if module is in cache
- /******/ var cachedModule = __webpack_module_cache__[moduleId];
- /******/ if (cachedModule !== undefined) {
- /******/ return cachedModule.exports;
- /******/ }
- /******/ // Create a new module (and put it into the cache)
- /******/ var module = __webpack_module_cache__[moduleId] = {
- /******/ id: moduleId,
- /******/ loaded: false,
- /******/ exports: {}
- /******/ };
- /******/
- /******/ // Execute the module function
- /******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
- /******/
- /******/ // Flag the module as loaded
- /******/ module.loaded = true;
- /******/
- /******/ // Return the exports of the module
- /******/ return module.exports;
- /******/ }
- /******/
- /************************************************************************/
- /******/ /* webpack/runtime/node module decorator */
- /******/ (() => {
- /******/ __w_pdfjs_require__.nmd = (module) => {
- /******/ module.paths = [];
- /******/ if (!module.children) module.children = [];
- /******/ return module;
- /******/ };
- /******/ })();
- /******/
- /************************************************************************/
- var __webpack_exports__ = {};
- // This entry need to be wrapped in an IIFE because it need to be in strict mode.
- (() => {
- "use strict";
- var exports = __webpack_exports__;
- Object.defineProperty(exports, "__esModule", ({
- value: true
- }));
- Object.defineProperty(exports, "getVerbosityLevel", ({
- enumerable: true,
- get: function get() {
- return _util.getVerbosityLevel;
- }
- }));
- Object.defineProperty(exports, "setVerbosityLevel", ({
- enumerable: true,
- get: function get() {
- return _util.setVerbosityLevel;
- }
- }));
- Object.defineProperty(exports, "Jbig2Image", ({
- enumerable: true,
- get: function get() {
- return _jbig.Jbig2Image;
- }
- }));
- Object.defineProperty(exports, "JpegImage", ({
- enumerable: true,
- get: function get() {
- return _jpg.JpegImage;
- }
- }));
- Object.defineProperty(exports, "JpxImage", ({
- enumerable: true,
- get: function get() {
- return _jpx.JpxImage;
- }
- }));
- var _util = __w_pdfjs_require__(1);
- var _jbig = __w_pdfjs_require__(86);
- var _jpg = __w_pdfjs_require__(94);
- var _jpx = __w_pdfjs_require__(95);
- var pdfjsVersion = '2.11.338';
- var pdfjsBuild = 'dedff3c98';
- })();
- /******/ return __webpack_exports__;
- /******/ })()
- ;
- });
- //# sourceMappingURL=pdf.image_decoders.js.map
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