15806 lines
407 KiB
Plaintext
15806 lines
407 KiB
Plaintext
/**
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* @licstart The following is the entire license notice for the
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* Javascript code in this page
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*
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* Copyright 2022 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* Javascript code in this page
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*/
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(function webpackUniversalModuleDefinition(root, factory) {
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if(typeof exports === 'object' && typeof module === 'object')
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module.exports = factory();
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else if(typeof define === 'function' && define.amd)
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define("pdfjs-dist/build/pdf", [], factory);
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else if(typeof exports === 'object')
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exports["pdfjs-dist/build/pdf"] = factory();
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else
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root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
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})(this, function() {
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return /******/ (() => { // webpackBootstrap
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/******/ "use strict";
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/******/ var __webpack_modules__ = ([
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/* 0 */,
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/* 1 */
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/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
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Object.defineProperty(exports, "__esModule", ({
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value: true
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}));
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exports.VerbosityLevel = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.UNSUPPORTED_FEATURES = 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;
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exports.arrayByteLength = arrayByteLength;
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exports.arraysToBytes = arraysToBytes;
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exports.assert = assert;
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exports.bytesToString = bytesToString;
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exports.createPromiseCapability = createPromiseCapability;
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exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
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exports.escapeString = escapeString;
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exports.getModificationDate = getModificationDate;
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exports.getVerbosityLevel = getVerbosityLevel;
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exports.info = info;
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exports.isArrayBuffer = isArrayBuffer;
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exports.isArrayEqual = isArrayEqual;
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exports.isAscii = isAscii;
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exports.isSameOrigin = isSameOrigin;
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exports.objectFromMap = objectFromMap;
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exports.objectSize = objectSize;
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exports.setVerbosityLevel = setVerbosityLevel;
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exports.shadow = shadow;
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exports.string32 = string32;
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exports.stringToBytes = stringToBytes;
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exports.stringToPDFString = stringToPDFString;
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exports.stringToUTF16BEString = stringToUTF16BEString;
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exports.stringToUTF8String = stringToUTF8String;
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exports.unreachable = unreachable;
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exports.utf8StringToString = utf8StringToString;
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exports.warn = warn;
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__w_pdfjs_require__(2);
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const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
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exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
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const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
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exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
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const RenderingIntentFlag = {
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ANY: 0x01,
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DISPLAY: 0x02,
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PRINT: 0x04,
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ANNOTATIONS_FORMS: 0x10,
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ANNOTATIONS_STORAGE: 0x20,
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ANNOTATIONS_DISABLE: 0x40,
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OPLIST: 0x100
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};
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exports.RenderingIntentFlag = RenderingIntentFlag;
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const AnnotationMode = {
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DISABLE: 0,
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ENABLE: 1,
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ENABLE_FORMS: 2,
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ENABLE_STORAGE: 3
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};
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exports.AnnotationMode = AnnotationMode;
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const PermissionFlag = {
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PRINT: 0x04,
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MODIFY_CONTENTS: 0x08,
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COPY: 0x10,
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MODIFY_ANNOTATIONS: 0x20,
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FILL_INTERACTIVE_FORMS: 0x100,
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COPY_FOR_ACCESSIBILITY: 0x200,
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ASSEMBLE: 0x400,
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PRINT_HIGH_QUALITY: 0x800
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};
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exports.PermissionFlag = PermissionFlag;
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const TextRenderingMode = {
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FILL: 0,
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STROKE: 1,
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FILL_STROKE: 2,
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INVISIBLE: 3,
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FILL_ADD_TO_PATH: 4,
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STROKE_ADD_TO_PATH: 5,
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FILL_STROKE_ADD_TO_PATH: 6,
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ADD_TO_PATH: 7,
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FILL_STROKE_MASK: 3,
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ADD_TO_PATH_FLAG: 4
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};
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exports.TextRenderingMode = TextRenderingMode;
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const ImageKind = {
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GRAYSCALE_1BPP: 1,
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RGB_24BPP: 2,
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RGBA_32BPP: 3
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};
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exports.ImageKind = ImageKind;
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const AnnotationType = {
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TEXT: 1,
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LINK: 2,
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FREETEXT: 3,
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LINE: 4,
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SQUARE: 5,
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CIRCLE: 6,
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POLYGON: 7,
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POLYLINE: 8,
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HIGHLIGHT: 9,
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UNDERLINE: 10,
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SQUIGGLY: 11,
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STRIKEOUT: 12,
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STAMP: 13,
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CARET: 14,
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INK: 15,
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POPUP: 16,
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FILEATTACHMENT: 17,
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SOUND: 18,
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MOVIE: 19,
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WIDGET: 20,
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SCREEN: 21,
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PRINTERMARK: 22,
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TRAPNET: 23,
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WATERMARK: 24,
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THREED: 25,
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REDACT: 26
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};
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exports.AnnotationType = AnnotationType;
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const AnnotationStateModelType = {
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MARKED: "Marked",
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REVIEW: "Review"
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};
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exports.AnnotationStateModelType = AnnotationStateModelType;
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const AnnotationMarkedState = {
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MARKED: "Marked",
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UNMARKED: "Unmarked"
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};
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exports.AnnotationMarkedState = AnnotationMarkedState;
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const AnnotationReviewState = {
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ACCEPTED: "Accepted",
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REJECTED: "Rejected",
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CANCELLED: "Cancelled",
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COMPLETED: "Completed",
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NONE: "None"
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};
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exports.AnnotationReviewState = AnnotationReviewState;
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const AnnotationReplyType = {
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GROUP: "Group",
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REPLY: "R"
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};
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exports.AnnotationReplyType = AnnotationReplyType;
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const AnnotationFlag = {
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INVISIBLE: 0x01,
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HIDDEN: 0x02,
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PRINT: 0x04,
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NOZOOM: 0x08,
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NOROTATE: 0x10,
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NOVIEW: 0x20,
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READONLY: 0x40,
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LOCKED: 0x80,
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TOGGLENOVIEW: 0x100,
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LOCKEDCONTENTS: 0x200
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};
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exports.AnnotationFlag = AnnotationFlag;
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const AnnotationFieldFlag = {
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READONLY: 0x0000001,
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REQUIRED: 0x0000002,
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NOEXPORT: 0x0000004,
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MULTILINE: 0x0001000,
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PASSWORD: 0x0002000,
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NOTOGGLETOOFF: 0x0004000,
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RADIO: 0x0008000,
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PUSHBUTTON: 0x0010000,
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COMBO: 0x0020000,
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EDIT: 0x0040000,
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SORT: 0x0080000,
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FILESELECT: 0x0100000,
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MULTISELECT: 0x0200000,
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DONOTSPELLCHECK: 0x0400000,
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DONOTSCROLL: 0x0800000,
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COMB: 0x1000000,
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RICHTEXT: 0x2000000,
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RADIOSINUNISON: 0x2000000,
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COMMITONSELCHANGE: 0x4000000
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};
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exports.AnnotationFieldFlag = AnnotationFieldFlag;
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const AnnotationBorderStyleType = {
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SOLID: 1,
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DASHED: 2,
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BEVELED: 3,
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INSET: 4,
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UNDERLINE: 5
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};
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exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
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const AnnotationActionEventType = {
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E: "Mouse Enter",
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X: "Mouse Exit",
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D: "Mouse Down",
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U: "Mouse Up",
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Fo: "Focus",
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Bl: "Blur",
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PO: "PageOpen",
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PC: "PageClose",
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PV: "PageVisible",
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PI: "PageInvisible",
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K: "Keystroke",
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F: "Format",
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V: "Validate",
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C: "Calculate"
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};
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exports.AnnotationActionEventType = AnnotationActionEventType;
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const DocumentActionEventType = {
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WC: "WillClose",
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WS: "WillSave",
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DS: "DidSave",
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WP: "WillPrint",
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DP: "DidPrint"
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};
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exports.DocumentActionEventType = DocumentActionEventType;
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const PageActionEventType = {
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O: "PageOpen",
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C: "PageClose"
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};
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exports.PageActionEventType = PageActionEventType;
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const StreamType = {
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UNKNOWN: "UNKNOWN",
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FLATE: "FLATE",
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LZW: "LZW",
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DCT: "DCT",
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JPX: "JPX",
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JBIG: "JBIG",
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A85: "A85",
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AHX: "AHX",
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CCF: "CCF",
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RLX: "RLX"
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};
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exports.StreamType = StreamType;
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const FontType = {
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UNKNOWN: "UNKNOWN",
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TYPE1: "TYPE1",
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TYPE1STANDARD: "TYPE1STANDARD",
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TYPE1C: "TYPE1C",
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CIDFONTTYPE0: "CIDFONTTYPE0",
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CIDFONTTYPE0C: "CIDFONTTYPE0C",
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TRUETYPE: "TRUETYPE",
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CIDFONTTYPE2: "CIDFONTTYPE2",
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TYPE3: "TYPE3",
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OPENTYPE: "OPENTYPE",
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TYPE0: "TYPE0",
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MMTYPE1: "MMTYPE1"
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};
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exports.FontType = FontType;
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const VerbosityLevel = {
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ERRORS: 0,
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WARNINGS: 1,
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INFOS: 5
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};
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exports.VerbosityLevel = VerbosityLevel;
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const CMapCompressionType = {
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NONE: 0,
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BINARY: 1,
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STREAM: 2
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};
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exports.CMapCompressionType = CMapCompressionType;
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const OPS = {
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dependency: 1,
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setLineWidth: 2,
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setLineCap: 3,
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setLineJoin: 4,
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setMiterLimit: 5,
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setDash: 6,
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setRenderingIntent: 7,
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setFlatness: 8,
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setGState: 9,
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save: 10,
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restore: 11,
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transform: 12,
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moveTo: 13,
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lineTo: 14,
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curveTo: 15,
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curveTo2: 16,
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curveTo3: 17,
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closePath: 18,
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rectangle: 19,
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stroke: 20,
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closeStroke: 21,
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fill: 22,
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eoFill: 23,
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fillStroke: 24,
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eoFillStroke: 25,
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closeFillStroke: 26,
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closeEOFillStroke: 27,
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endPath: 28,
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clip: 29,
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eoClip: 30,
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beginText: 31,
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endText: 32,
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setCharSpacing: 33,
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setWordSpacing: 34,
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setHScale: 35,
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setLeading: 36,
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setFont: 37,
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setTextRenderingMode: 38,
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setTextRise: 39,
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moveText: 40,
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setLeadingMoveText: 41,
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setTextMatrix: 42,
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nextLine: 43,
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showText: 44,
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showSpacedText: 45,
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nextLineShowText: 46,
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nextLineSetSpacingShowText: 47,
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setCharWidth: 48,
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setCharWidthAndBounds: 49,
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setStrokeColorSpace: 50,
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setFillColorSpace: 51,
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setStrokeColor: 52,
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setStrokeColorN: 53,
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setFillColor: 54,
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setFillColorN: 55,
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setStrokeGray: 56,
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setFillGray: 57,
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setStrokeRGBColor: 58,
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setFillRGBColor: 59,
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setStrokeCMYKColor: 60,
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setFillCMYKColor: 61,
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shadingFill: 62,
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beginInlineImage: 63,
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beginImageData: 64,
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endInlineImage: 65,
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paintXObject: 66,
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markPoint: 67,
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markPointProps: 68,
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beginMarkedContent: 69,
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beginMarkedContentProps: 70,
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endMarkedContent: 71,
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beginCompat: 72,
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endCompat: 73,
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paintFormXObjectBegin: 74,
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paintFormXObjectEnd: 75,
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beginGroup: 76,
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endGroup: 77,
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beginAnnotations: 78,
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endAnnotations: 79,
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beginAnnotation: 80,
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endAnnotation: 81,
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paintJpegXObject: 82,
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paintImageMaskXObject: 83,
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paintImageMaskXObjectGroup: 84,
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paintImageXObject: 85,
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paintInlineImageXObject: 86,
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paintInlineImageXObjectGroup: 87,
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paintImageXObjectRepeat: 88,
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paintImageMaskXObjectRepeat: 89,
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paintSolidColorImageMask: 90,
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constructPath: 91
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};
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exports.OPS = OPS;
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const UNSUPPORTED_FEATURES = {
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unknown: "unknown",
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forms: "forms",
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javaScript: "javaScript",
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signatures: "signatures",
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smask: "smask",
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shadingPattern: "shadingPattern",
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font: "font",
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errorTilingPattern: "errorTilingPattern",
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errorExtGState: "errorExtGState",
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errorXObject: "errorXObject",
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errorFontLoadType3: "errorFontLoadType3",
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errorFontState: "errorFontState",
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errorFontMissing: "errorFontMissing",
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errorFontTranslate: "errorFontTranslate",
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errorColorSpace: "errorColorSpace",
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errorOperatorList: "errorOperatorList",
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errorFontToUnicode: "errorFontToUnicode",
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errorFontLoadNative: "errorFontLoadNative",
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errorFontBuildPath: "errorFontBuildPath",
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errorFontGetPath: "errorFontGetPath",
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errorMarkedContent: "errorMarkedContent",
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errorContentSubStream: "errorContentSubStream"
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};
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exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
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const PasswordResponses = {
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NEED_PASSWORD: 1,
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INCORRECT_PASSWORD: 2
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};
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exports.PasswordResponses = PasswordResponses;
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let verbosity = VerbosityLevel.WARNINGS;
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function setVerbosityLevel(level) {
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if (Number.isInteger(level)) {
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verbosity = level;
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}
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}
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function getVerbosityLevel() {
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return verbosity;
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}
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function info(msg) {
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if (verbosity >= VerbosityLevel.INFOS) {
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console.log(`Info: ${msg}`);
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}
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}
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function warn(msg) {
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if (verbosity >= VerbosityLevel.WARNINGS) {
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console.log(`Warning: ${msg}`);
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}
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}
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function unreachable(msg) {
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throw new Error(msg);
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}
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function assert(cond, msg) {
|
|
if (!cond) {
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unreachable(msg);
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}
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}
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function isSameOrigin(baseUrl, otherUrl) {
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let base;
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try {
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|
base = new URL(baseUrl);
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if (!base.origin || base.origin === "null") {
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return false;
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}
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} catch (e) {
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return false;
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}
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const other = new URL(otherUrl, base);
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return base.origin === other.origin;
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}
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function _isValidProtocol(url) {
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|
if (!url) {
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return false;
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|
}
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|
|
switch (url.protocol) {
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|
case "http:":
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|
case "https:":
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|
case "ftp:":
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|
case "mailto:":
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|
case "tel:":
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return true;
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|
default:
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return false;
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}
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}
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|
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function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
|
|
if (!url) {
|
|
return null;
|
|
}
|
|
|
|
try {
|
|
if (options && typeof url === "string") {
|
|
if (options.addDefaultProtocol && url.startsWith("www.")) {
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|
const dots = url.match(/\./g);
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|
|
if (dots && dots.length >= 2) {
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url = `http://${url}`;
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}
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}
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if (options.tryConvertEncoding) {
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|
try {
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url = stringToUTF8String(url);
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} catch (ex) {}
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}
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}
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const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
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|
|
if (_isValidProtocol(absoluteUrl)) {
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return absoluteUrl;
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}
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} catch (ex) {}
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return null;
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}
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|
|
function shadow(obj, prop, value) {
|
|
Object.defineProperty(obj, prop, {
|
|
value,
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|
enumerable: true,
|
|
configurable: true,
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|
writable: false
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|
});
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|
return value;
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|
}
|
|
|
|
const BaseException = function BaseExceptionClosure() {
|
|
function BaseException(message, name) {
|
|
if (this.constructor === BaseException) {
|
|
unreachable("Cannot initialize BaseException.");
|
|
}
|
|
|
|
this.message = message;
|
|
this.name = name;
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|
}
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|
|
BaseException.prototype = new Error();
|
|
BaseException.constructor = BaseException;
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|
return BaseException;
|
|
}();
|
|
|
|
exports.BaseException = BaseException;
|
|
|
|
class PasswordException extends BaseException {
|
|
constructor(msg, code) {
|
|
super(msg, "PasswordException");
|
|
this.code = code;
|
|
}
|
|
|
|
}
|
|
|
|
exports.PasswordException = PasswordException;
|
|
|
|
class UnknownErrorException extends BaseException {
|
|
constructor(msg, details) {
|
|
super(msg, "UnknownErrorException");
|
|
this.details = details;
|
|
}
|
|
|
|
}
|
|
|
|
exports.UnknownErrorException = UnknownErrorException;
|
|
|
|
class InvalidPDFException extends BaseException {
|
|
constructor(msg) {
|
|
super(msg, "InvalidPDFException");
|
|
}
|
|
|
|
}
|
|
|
|
exports.InvalidPDFException = InvalidPDFException;
|
|
|
|
class MissingPDFException extends BaseException {
|
|
constructor(msg) {
|
|
super(msg, "MissingPDFException");
|
|
}
|
|
|
|
}
|
|
|
|
exports.MissingPDFException = MissingPDFException;
|
|
|
|
class UnexpectedResponseException extends BaseException {
|
|
constructor(msg, status) {
|
|
super(msg, "UnexpectedResponseException");
|
|
this.status = status;
|
|
}
|
|
|
|
}
|
|
|
|
exports.UnexpectedResponseException = UnexpectedResponseException;
|
|
|
|
class FormatError extends BaseException {
|
|
constructor(msg) {
|
|
super(msg, "FormatError");
|
|
}
|
|
|
|
}
|
|
|
|
exports.FormatError = FormatError;
|
|
|
|
class AbortException extends BaseException {
|
|
constructor(msg) {
|
|
super(msg, "AbortException");
|
|
}
|
|
|
|
}
|
|
|
|
exports.AbortException = AbortException;
|
|
|
|
function bytesToString(bytes) {
|
|
if (typeof bytes !== "object" || bytes === null || bytes.length === undefined) {
|
|
unreachable("Invalid argument for bytesToString");
|
|
}
|
|
|
|
const length = bytes.length;
|
|
const MAX_ARGUMENT_COUNT = 8192;
|
|
|
|
if (length < MAX_ARGUMENT_COUNT) {
|
|
return String.fromCharCode.apply(null, bytes);
|
|
}
|
|
|
|
const strBuf = [];
|
|
|
|
for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
|
|
const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
|
|
const chunk = bytes.subarray(i, chunkEnd);
|
|
strBuf.push(String.fromCharCode.apply(null, chunk));
|
|
}
|
|
|
|
return strBuf.join("");
|
|
}
|
|
|
|
function stringToBytes(str) {
|
|
if (typeof str !== "string") {
|
|
unreachable("Invalid argument for stringToBytes");
|
|
}
|
|
|
|
const length = str.length;
|
|
const bytes = new Uint8Array(length);
|
|
|
|
for (let i = 0; i < length; ++i) {
|
|
bytes[i] = str.charCodeAt(i) & 0xff;
|
|
}
|
|
|
|
return bytes;
|
|
}
|
|
|
|
function arrayByteLength(arr) {
|
|
if (arr.length !== undefined) {
|
|
return arr.length;
|
|
}
|
|
|
|
if (arr.byteLength !== undefined) {
|
|
return arr.byteLength;
|
|
}
|
|
|
|
unreachable("Invalid argument for arrayByteLength");
|
|
}
|
|
|
|
function arraysToBytes(arr) {
|
|
const length = arr.length;
|
|
|
|
if (length === 1 && arr[0] instanceof Uint8Array) {
|
|
return arr[0];
|
|
}
|
|
|
|
let resultLength = 0;
|
|
|
|
for (let i = 0; i < length; i++) {
|
|
resultLength += arrayByteLength(arr[i]);
|
|
}
|
|
|
|
let pos = 0;
|
|
const data = new Uint8Array(resultLength);
|
|
|
|
for (let i = 0; i < length; i++) {
|
|
let item = arr[i];
|
|
|
|
if (!(item instanceof Uint8Array)) {
|
|
if (typeof item === "string") {
|
|
item = stringToBytes(item);
|
|
} else {
|
|
item = new Uint8Array(item);
|
|
}
|
|
}
|
|
|
|
const itemLength = item.byteLength;
|
|
data.set(item, pos);
|
|
pos += itemLength;
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
function string32(value) {
|
|
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
|
|
}
|
|
|
|
function objectSize(obj) {
|
|
return Object.keys(obj).length;
|
|
}
|
|
|
|
function objectFromMap(map) {
|
|
const obj = Object.create(null);
|
|
|
|
for (const [key, value] of map) {
|
|
obj[key] = value;
|
|
}
|
|
|
|
return obj;
|
|
}
|
|
|
|
function isLittleEndian() {
|
|
const buffer8 = new Uint8Array(4);
|
|
buffer8[0] = 1;
|
|
const view32 = new Uint32Array(buffer8.buffer, 0, 1);
|
|
return view32[0] === 1;
|
|
}
|
|
|
|
const IsLittleEndianCached = {
|
|
get value() {
|
|
return shadow(this, "value", isLittleEndian());
|
|
}
|
|
|
|
};
|
|
exports.IsLittleEndianCached = IsLittleEndianCached;
|
|
|
|
function isEvalSupported() {
|
|
try {
|
|
new Function("");
|
|
return true;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const IsEvalSupportedCached = {
|
|
get value() {
|
|
return shadow(this, "value", isEvalSupported());
|
|
}
|
|
|
|
};
|
|
exports.IsEvalSupportedCached = IsEvalSupportedCached;
|
|
const hexNumbers = [...Array(256).keys()].map(n => n.toString(16).padStart(2, "0"));
|
|
|
|
class Util {
|
|
static makeHexColor(r, g, b) {
|
|
return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
|
|
}
|
|
|
|
static transform(m1, m2) {
|
|
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
|
|
}
|
|
|
|
static applyTransform(p, m) {
|
|
const xt = p[0] * m[0] + p[1] * m[2] + m[4];
|
|
const yt = p[0] * m[1] + p[1] * m[3] + m[5];
|
|
return [xt, yt];
|
|
}
|
|
|
|
static applyInverseTransform(p, m) {
|
|
const d = m[0] * m[3] - m[1] * m[2];
|
|
const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
|
|
const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
|
|
return [xt, yt];
|
|
}
|
|
|
|
static getAxialAlignedBoundingBox(r, m) {
|
|
const p1 = Util.applyTransform(r, m);
|
|
const p2 = Util.applyTransform(r.slice(2, 4), m);
|
|
const p3 = Util.applyTransform([r[0], r[3]], m);
|
|
const p4 = Util.applyTransform([r[2], r[1]], m);
|
|
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
|
|
}
|
|
|
|
static inverseTransform(m) {
|
|
const d = m[0] * m[3] - m[1] * m[2];
|
|
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
|
|
}
|
|
|
|
static apply3dTransform(m, v) {
|
|
return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
|
|
}
|
|
|
|
static singularValueDecompose2dScale(m) {
|
|
const transpose = [m[0], m[2], m[1], m[3]];
|
|
const a = m[0] * transpose[0] + m[1] * transpose[2];
|
|
const b = m[0] * transpose[1] + m[1] * transpose[3];
|
|
const c = m[2] * transpose[0] + m[3] * transpose[2];
|
|
const d = m[2] * transpose[1] + m[3] * transpose[3];
|
|
const first = (a + d) / 2;
|
|
const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
|
|
const sx = first + second || 1;
|
|
const sy = first - second || 1;
|
|
return [Math.sqrt(sx), Math.sqrt(sy)];
|
|
}
|
|
|
|
static normalizeRect(rect) {
|
|
const r = rect.slice(0);
|
|
|
|
if (rect[0] > rect[2]) {
|
|
r[0] = rect[2];
|
|
r[2] = rect[0];
|
|
}
|
|
|
|
if (rect[1] > rect[3]) {
|
|
r[1] = rect[3];
|
|
r[3] = rect[1];
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static intersect(rect1, rect2) {
|
|
function compare(a, b) {
|
|
return a - b;
|
|
}
|
|
|
|
const orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare);
|
|
const orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare);
|
|
const result = [];
|
|
rect1 = Util.normalizeRect(rect1);
|
|
rect2 = Util.normalizeRect(rect2);
|
|
|
|
if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
|
|
result[0] = orderedX[1];
|
|
result[2] = orderedX[2];
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
|
|
result[1] = orderedY[1];
|
|
result[3] = orderedY[2];
|
|
} else {
|
|
return null;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3) {
|
|
const tvalues = [],
|
|
bounds = [[], []];
|
|
let a, b, c, t, t1, t2, b2ac, sqrtb2ac;
|
|
|
|
for (let i = 0; i < 2; ++i) {
|
|
if (i === 0) {
|
|
b = 6 * x0 - 12 * x1 + 6 * x2;
|
|
a = -3 * x0 + 9 * x1 - 9 * x2 + 3 * x3;
|
|
c = 3 * x1 - 3 * x0;
|
|
} else {
|
|
b = 6 * y0 - 12 * y1 + 6 * y2;
|
|
a = -3 * y0 + 9 * y1 - 9 * y2 + 3 * y3;
|
|
c = 3 * y1 - 3 * y0;
|
|
}
|
|
|
|
if (Math.abs(a) < 1e-12) {
|
|
if (Math.abs(b) < 1e-12) {
|
|
continue;
|
|
}
|
|
|
|
t = -c / b;
|
|
|
|
if (0 < t && t < 1) {
|
|
tvalues.push(t);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
b2ac = b * b - 4 * c * a;
|
|
sqrtb2ac = Math.sqrt(b2ac);
|
|
|
|
if (b2ac < 0) {
|
|
continue;
|
|
}
|
|
|
|
t1 = (-b + sqrtb2ac) / (2 * a);
|
|
|
|
if (0 < t1 && t1 < 1) {
|
|
tvalues.push(t1);
|
|
}
|
|
|
|
t2 = (-b - sqrtb2ac) / (2 * a);
|
|
|
|
if (0 < t2 && t2 < 1) {
|
|
tvalues.push(t2);
|
|
}
|
|
}
|
|
|
|
let j = tvalues.length,
|
|
mt;
|
|
const jlen = j;
|
|
|
|
while (j--) {
|
|
t = tvalues[j];
|
|
mt = 1 - t;
|
|
bounds[0][j] = mt * mt * mt * x0 + 3 * mt * mt * t * x1 + 3 * mt * t * t * x2 + t * t * t * x3;
|
|
bounds[1][j] = mt * mt * mt * y0 + 3 * mt * mt * t * y1 + 3 * mt * t * t * y2 + t * t * t * y3;
|
|
}
|
|
|
|
bounds[0][jlen] = x0;
|
|
bounds[1][jlen] = y0;
|
|
bounds[0][jlen + 1] = x3;
|
|
bounds[1][jlen + 1] = y3;
|
|
bounds[0].length = bounds[1].length = jlen + 2;
|
|
return [Math.min(...bounds[0]), Math.min(...bounds[1]), Math.max(...bounds[0]), Math.max(...bounds[1])];
|
|
}
|
|
|
|
}
|
|
|
|
exports.Util = Util;
|
|
const PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac];
|
|
|
|
function stringToPDFString(str) {
|
|
if (str[0] >= "\xEF") {
|
|
let encoding;
|
|
|
|
if (str[0] === "\xFE" && str[1] === "\xFF") {
|
|
encoding = "utf-16be";
|
|
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
|
|
encoding = "utf-16le";
|
|
} else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
|
|
encoding = "utf-8";
|
|
}
|
|
|
|
if (encoding) {
|
|
try {
|
|
const decoder = new TextDecoder(encoding, {
|
|
fatal: true
|
|
});
|
|
const buffer = stringToBytes(str);
|
|
return decoder.decode(buffer);
|
|
} catch (ex) {
|
|
warn(`stringToPDFString: "${ex}".`);
|
|
}
|
|
}
|
|
}
|
|
|
|
const strBuf = [];
|
|
|
|
for (let i = 0, ii = str.length; i < ii; i++) {
|
|
const code = PDFStringTranslateTable[str.charCodeAt(i)];
|
|
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
|
|
}
|
|
|
|
return strBuf.join("");
|
|
}
|
|
|
|
function escapeString(str) {
|
|
return str.replace(/([()\\\n\r])/g, match => {
|
|
if (match === "\n") {
|
|
return "\\n";
|
|
} else if (match === "\r") {
|
|
return "\\r";
|
|
}
|
|
|
|
return `\\${match}`;
|
|
});
|
|
}
|
|
|
|
function isAscii(str) {
|
|
return /^[\x00-\x7F]*$/.test(str);
|
|
}
|
|
|
|
function stringToUTF16BEString(str) {
|
|
const buf = ["\xFE\xFF"];
|
|
|
|
for (let i = 0, ii = str.length; i < ii; i++) {
|
|
const 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 isArrayBuffer(v) {
|
|
return typeof v === "object" && v !== null && v.byteLength !== undefined;
|
|
}
|
|
|
|
function isArrayEqual(arr1, arr2) {
|
|
if (arr1.length !== arr2.length) {
|
|
return false;
|
|
}
|
|
|
|
for (let i = 0, ii = arr1.length; i < ii; i++) {
|
|
if (arr1[i] !== arr2[i]) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function getModificationDate(date = new Date()) {
|
|
const 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() {
|
|
const capability = Object.create(null);
|
|
let isSettled = false;
|
|
Object.defineProperty(capability, "settled", {
|
|
get() {
|
|
return isSettled;
|
|
}
|
|
|
|
});
|
|
capability.promise = new Promise(function (resolve, reject) {
|
|
capability.resolve = function (data) {
|
|
isSettled = true;
|
|
resolve(data);
|
|
};
|
|
|
|
capability.reject = function (reason) {
|
|
isSettled = true;
|
|
reject(reason);
|
|
};
|
|
});
|
|
return capability;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 2 */
|
|
/***/ ((__unused_webpack_module, __unused_webpack_exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
var _is_node = __w_pdfjs_require__(3);
|
|
|
|
;
|
|
|
|
/***/ }),
|
|
/* 3 */
|
|
/***/ ((__unused_webpack_module, exports) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.isNodeJS = void 0;
|
|
const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
|
|
exports.isNodeJS = isNodeJS;
|
|
|
|
/***/ }),
|
|
/* 4 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.build = exports.RenderTask = exports.PDFWorker = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFDocumentLoadingTask = exports.PDFDataRangeTransport = exports.LoopbackPort = exports.DefaultStandardFontDataFactory = exports.DefaultCanvasFactory = exports.DefaultCMapReaderFactory = void 0;
|
|
exports.getDocument = getDocument;
|
|
exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
|
|
exports.version = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
var _font_loader = __w_pdfjs_require__(7);
|
|
|
|
var _node_utils = __w_pdfjs_require__(8);
|
|
|
|
var _annotation_storage = __w_pdfjs_require__(9);
|
|
|
|
var _canvas = __w_pdfjs_require__(10);
|
|
|
|
var _worker_options = __w_pdfjs_require__(12);
|
|
|
|
var _is_node = __w_pdfjs_require__(3);
|
|
|
|
var _message_handler = __w_pdfjs_require__(13);
|
|
|
|
var _metadata = __w_pdfjs_require__(14);
|
|
|
|
var _optional_content_config = __w_pdfjs_require__(15);
|
|
|
|
var _transport_stream = __w_pdfjs_require__(16);
|
|
|
|
var _xfa_text = __w_pdfjs_require__(17);
|
|
|
|
const DEFAULT_RANGE_CHUNK_SIZE = 65536;
|
|
const RENDERING_CANCELLED_TIMEOUT = 100;
|
|
const DefaultCanvasFactory = _is_node.isNodeJS ? _node_utils.NodeCanvasFactory : _display_utils.DOMCanvasFactory;
|
|
exports.DefaultCanvasFactory = DefaultCanvasFactory;
|
|
const DefaultCMapReaderFactory = _is_node.isNodeJS ? _node_utils.NodeCMapReaderFactory : _display_utils.DOMCMapReaderFactory;
|
|
exports.DefaultCMapReaderFactory = DefaultCMapReaderFactory;
|
|
const DefaultStandardFontDataFactory = _is_node.isNodeJS ? _node_utils.NodeStandardFontDataFactory : _display_utils.DOMStandardFontDataFactory;
|
|
exports.DefaultStandardFontDataFactory = DefaultStandardFontDataFactory;
|
|
let createPDFNetworkStream;
|
|
|
|
function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
|
|
createPDFNetworkStream = pdfNetworkStreamFactory;
|
|
}
|
|
|
|
function getDocument(src) {
|
|
const task = new PDFDocumentLoadingTask();
|
|
let source;
|
|
|
|
if (typeof src === "string" || src instanceof URL) {
|
|
source = {
|
|
url: src
|
|
};
|
|
} else if ((0, _util.isArrayBuffer)(src)) {
|
|
source = {
|
|
data: src
|
|
};
|
|
} else if (src instanceof PDFDataRangeTransport) {
|
|
source = {
|
|
range: src
|
|
};
|
|
} else {
|
|
if (typeof src !== "object") {
|
|
throw new Error("Invalid parameter in getDocument, " + "need either string, URL, Uint8Array, or parameter object.");
|
|
}
|
|
|
|
if (!src.url && !src.data && !src.range) {
|
|
throw new Error("Invalid parameter object: need either .data, .range or .url");
|
|
}
|
|
|
|
source = src;
|
|
}
|
|
|
|
const params = Object.create(null);
|
|
let rangeTransport = null,
|
|
worker = null;
|
|
|
|
for (const key in source) {
|
|
const value = source[key];
|
|
|
|
switch (key) {
|
|
case "url":
|
|
if (typeof window !== "undefined") {
|
|
try {
|
|
params[key] = new URL(value, window.location).href;
|
|
continue;
|
|
} catch (ex) {
|
|
(0, _util.warn)(`Cannot create valid URL: "${ex}".`);
|
|
}
|
|
} else if (typeof value === "string" || value instanceof URL) {
|
|
params[key] = value.toString();
|
|
continue;
|
|
}
|
|
|
|
throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
|
|
|
|
case "range":
|
|
rangeTransport = value;
|
|
continue;
|
|
|
|
case "worker":
|
|
worker = value;
|
|
continue;
|
|
|
|
case "data":
|
|
if (_is_node.isNodeJS && typeof Buffer !== "undefined" && value instanceof Buffer) {
|
|
params[key] = new Uint8Array(value);
|
|
} else if (value instanceof Uint8Array) {
|
|
break;
|
|
} else if (typeof value === "string") {
|
|
params[key] = (0, _util.stringToBytes)(value);
|
|
} else if (typeof value === "object" && value !== null && !isNaN(value.length)) {
|
|
params[key] = new Uint8Array(value);
|
|
} else if ((0, _util.isArrayBuffer)(value)) {
|
|
params[key] = new Uint8Array(value);
|
|
} else {
|
|
throw new Error("Invalid PDF binary data: either typed array, " + "string, or array-like object is expected in the data property.");
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
params[key] = value;
|
|
}
|
|
|
|
params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
|
|
params.CMapReaderFactory = params.CMapReaderFactory || DefaultCMapReaderFactory;
|
|
params.StandardFontDataFactory = params.StandardFontDataFactory || DefaultStandardFontDataFactory;
|
|
params.ignoreErrors = params.stopAtErrors !== true;
|
|
params.fontExtraProperties = params.fontExtraProperties === true;
|
|
params.pdfBug = params.pdfBug === true;
|
|
params.enableXfa = params.enableXfa === true;
|
|
|
|
if (typeof params.docBaseUrl !== "string" || (0, _display_utils.isDataScheme)(params.docBaseUrl)) {
|
|
params.docBaseUrl = null;
|
|
}
|
|
|
|
if (!Number.isInteger(params.maxImageSize)) {
|
|
params.maxImageSize = -1;
|
|
}
|
|
|
|
if (typeof params.useWorkerFetch !== "boolean") {
|
|
params.useWorkerFetch = params.CMapReaderFactory === _display_utils.DOMCMapReaderFactory && params.StandardFontDataFactory === _display_utils.DOMStandardFontDataFactory;
|
|
}
|
|
|
|
if (typeof params.isEvalSupported !== "boolean") {
|
|
params.isEvalSupported = true;
|
|
}
|
|
|
|
if (typeof params.disableFontFace !== "boolean") {
|
|
params.disableFontFace = _is_node.isNodeJS;
|
|
}
|
|
|
|
if (typeof params.useSystemFonts !== "boolean") {
|
|
params.useSystemFonts = !_is_node.isNodeJS && !params.disableFontFace;
|
|
}
|
|
|
|
if (typeof params.ownerDocument === "undefined") {
|
|
params.ownerDocument = globalThis.document;
|
|
}
|
|
|
|
if (typeof params.disableRange !== "boolean") {
|
|
params.disableRange = false;
|
|
}
|
|
|
|
if (typeof params.disableStream !== "boolean") {
|
|
params.disableStream = false;
|
|
}
|
|
|
|
if (typeof params.disableAutoFetch !== "boolean") {
|
|
params.disableAutoFetch = false;
|
|
}
|
|
|
|
(0, _util.setVerbosityLevel)(params.verbosity);
|
|
|
|
if (!worker) {
|
|
const workerParams = {
|
|
verbosity: params.verbosity,
|
|
port: _worker_options.GlobalWorkerOptions.workerPort
|
|
};
|
|
worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
|
|
task._worker = worker;
|
|
}
|
|
|
|
const docId = task.docId;
|
|
worker.promise.then(function () {
|
|
if (task.destroyed) {
|
|
throw new Error("Loading aborted");
|
|
}
|
|
|
|
const workerIdPromise = _fetchDocument(worker, params, rangeTransport, docId);
|
|
|
|
const networkStreamPromise = new Promise(function (resolve) {
|
|
let networkStream;
|
|
|
|
if (rangeTransport) {
|
|
networkStream = new _transport_stream.PDFDataTransportStream({
|
|
length: params.length,
|
|
initialData: params.initialData,
|
|
progressiveDone: params.progressiveDone,
|
|
contentDispositionFilename: params.contentDispositionFilename,
|
|
disableRange: params.disableRange,
|
|
disableStream: params.disableStream
|
|
}, rangeTransport);
|
|
} else if (!params.data) {
|
|
networkStream = createPDFNetworkStream({
|
|
url: params.url,
|
|
length: params.length,
|
|
httpHeaders: params.httpHeaders,
|
|
withCredentials: params.withCredentials,
|
|
rangeChunkSize: params.rangeChunkSize,
|
|
disableRange: params.disableRange,
|
|
disableStream: params.disableStream
|
|
});
|
|
}
|
|
|
|
resolve(networkStream);
|
|
});
|
|
return Promise.all([workerIdPromise, networkStreamPromise]).then(function ([workerId, networkStream]) {
|
|
if (task.destroyed) {
|
|
throw new Error("Loading aborted");
|
|
}
|
|
|
|
const messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
|
|
const transport = new WorkerTransport(messageHandler, task, networkStream, params);
|
|
task._transport = transport;
|
|
messageHandler.send("Ready", null);
|
|
});
|
|
}).catch(task._capability.reject);
|
|
return task;
|
|
}
|
|
|
|
async function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
|
|
if (worker.destroyed) {
|
|
throw new Error("Worker was destroyed");
|
|
}
|
|
|
|
if (pdfDataRangeTransport) {
|
|
source.length = pdfDataRangeTransport.length;
|
|
source.initialData = pdfDataRangeTransport.initialData;
|
|
source.progressiveDone = pdfDataRangeTransport.progressiveDone;
|
|
source.contentDispositionFilename = pdfDataRangeTransport.contentDispositionFilename;
|
|
}
|
|
|
|
const workerId = await worker.messageHandler.sendWithPromise("GetDocRequest", {
|
|
docId,
|
|
apiVersion: '2.13.216',
|
|
source: {
|
|
data: source.data,
|
|
url: source.url,
|
|
password: source.password,
|
|
disableAutoFetch: source.disableAutoFetch,
|
|
rangeChunkSize: source.rangeChunkSize,
|
|
length: source.length
|
|
},
|
|
maxImageSize: source.maxImageSize,
|
|
disableFontFace: source.disableFontFace,
|
|
docBaseUrl: source.docBaseUrl,
|
|
ignoreErrors: source.ignoreErrors,
|
|
isEvalSupported: source.isEvalSupported,
|
|
fontExtraProperties: source.fontExtraProperties,
|
|
enableXfa: source.enableXfa,
|
|
useSystemFonts: source.useSystemFonts,
|
|
cMapUrl: source.useWorkerFetch ? source.cMapUrl : null,
|
|
standardFontDataUrl: source.useWorkerFetch ? source.standardFontDataUrl : null
|
|
});
|
|
|
|
if (worker.destroyed) {
|
|
throw new Error("Worker was destroyed");
|
|
}
|
|
|
|
return workerId;
|
|
}
|
|
|
|
class PDFDocumentLoadingTask {
|
|
static get idCounters() {
|
|
return (0, _util.shadow)(this, "idCounters", {
|
|
doc: 0
|
|
});
|
|
}
|
|
|
|
constructor() {
|
|
this._capability = (0, _util.createPromiseCapability)();
|
|
this._transport = null;
|
|
this._worker = null;
|
|
this.docId = `d${PDFDocumentLoadingTask.idCounters.doc++}`;
|
|
this.destroyed = false;
|
|
this.onPassword = null;
|
|
this.onProgress = null;
|
|
this.onUnsupportedFeature = null;
|
|
}
|
|
|
|
get promise() {
|
|
return this._capability.promise;
|
|
}
|
|
|
|
async destroy() {
|
|
this.destroyed = true;
|
|
await this._transport?.destroy();
|
|
this._transport = null;
|
|
|
|
if (this._worker) {
|
|
this._worker.destroy();
|
|
|
|
this._worker = null;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDocumentLoadingTask = PDFDocumentLoadingTask;
|
|
|
|
class PDFDataRangeTransport {
|
|
constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
|
|
this.length = length;
|
|
this.initialData = initialData;
|
|
this.progressiveDone = progressiveDone;
|
|
this.contentDispositionFilename = contentDispositionFilename;
|
|
this._rangeListeners = [];
|
|
this._progressListeners = [];
|
|
this._progressiveReadListeners = [];
|
|
this._progressiveDoneListeners = [];
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
|
|
addRangeListener(listener) {
|
|
this._rangeListeners.push(listener);
|
|
}
|
|
|
|
addProgressListener(listener) {
|
|
this._progressListeners.push(listener);
|
|
}
|
|
|
|
addProgressiveReadListener(listener) {
|
|
this._progressiveReadListeners.push(listener);
|
|
}
|
|
|
|
addProgressiveDoneListener(listener) {
|
|
this._progressiveDoneListeners.push(listener);
|
|
}
|
|
|
|
onDataRange(begin, chunk) {
|
|
for (const listener of this._rangeListeners) {
|
|
listener(begin, chunk);
|
|
}
|
|
}
|
|
|
|
onDataProgress(loaded, total) {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressListeners) {
|
|
listener(loaded, total);
|
|
}
|
|
});
|
|
}
|
|
|
|
onDataProgressiveRead(chunk) {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressiveReadListeners) {
|
|
listener(chunk);
|
|
}
|
|
});
|
|
}
|
|
|
|
onDataProgressiveDone() {
|
|
this._readyCapability.promise.then(() => {
|
|
for (const listener of this._progressiveDoneListeners) {
|
|
listener();
|
|
}
|
|
});
|
|
}
|
|
|
|
transportReady() {
|
|
this._readyCapability.resolve();
|
|
}
|
|
|
|
requestDataRange(begin, end) {
|
|
(0, _util.unreachable)("Abstract method PDFDataRangeTransport.requestDataRange");
|
|
}
|
|
|
|
abort() {}
|
|
|
|
}
|
|
|
|
exports.PDFDataRangeTransport = PDFDataRangeTransport;
|
|
|
|
class PDFDocumentProxy {
|
|
constructor(pdfInfo, transport) {
|
|
this._pdfInfo = pdfInfo;
|
|
this._transport = transport;
|
|
Object.defineProperty(this, "fingerprint", {
|
|
get() {
|
|
(0, _display_utils.deprecated)("`PDFDocumentProxy.fingerprint`, " + "please use `PDFDocumentProxy.fingerprints` instead.");
|
|
return this.fingerprints[0];
|
|
}
|
|
|
|
});
|
|
Object.defineProperty(this, "getStats", {
|
|
value: async () => {
|
|
(0, _display_utils.deprecated)("`PDFDocumentProxy.getStats`, " + "please use the `PDFDocumentProxy.stats`-getter instead.");
|
|
return this.stats || {
|
|
streamTypes: {},
|
|
fontTypes: {}
|
|
};
|
|
}
|
|
});
|
|
}
|
|
|
|
get annotationStorage() {
|
|
return this._transport.annotationStorage;
|
|
}
|
|
|
|
get numPages() {
|
|
return this._pdfInfo.numPages;
|
|
}
|
|
|
|
get fingerprints() {
|
|
return this._pdfInfo.fingerprints;
|
|
}
|
|
|
|
get stats() {
|
|
return this._transport.stats;
|
|
}
|
|
|
|
get isPureXfa() {
|
|
return !!this._transport._htmlForXfa;
|
|
}
|
|
|
|
get allXfaHtml() {
|
|
return this._transport._htmlForXfa;
|
|
}
|
|
|
|
getPage(pageNumber) {
|
|
return this._transport.getPage(pageNumber);
|
|
}
|
|
|
|
getPageIndex(ref) {
|
|
return this._transport.getPageIndex(ref);
|
|
}
|
|
|
|
getDestinations() {
|
|
return this._transport.getDestinations();
|
|
}
|
|
|
|
getDestination(id) {
|
|
return this._transport.getDestination(id);
|
|
}
|
|
|
|
getPageLabels() {
|
|
return this._transport.getPageLabels();
|
|
}
|
|
|
|
getPageLayout() {
|
|
return this._transport.getPageLayout();
|
|
}
|
|
|
|
getPageMode() {
|
|
return this._transport.getPageMode();
|
|
}
|
|
|
|
getViewerPreferences() {
|
|
return this._transport.getViewerPreferences();
|
|
}
|
|
|
|
getOpenAction() {
|
|
return this._transport.getOpenAction();
|
|
}
|
|
|
|
getAttachments() {
|
|
return this._transport.getAttachments();
|
|
}
|
|
|
|
getJavaScript() {
|
|
return this._transport.getJavaScript();
|
|
}
|
|
|
|
getJSActions() {
|
|
return this._transport.getDocJSActions();
|
|
}
|
|
|
|
getOutline() {
|
|
return this._transport.getOutline();
|
|
}
|
|
|
|
getOptionalContentConfig() {
|
|
return this._transport.getOptionalContentConfig();
|
|
}
|
|
|
|
getPermissions() {
|
|
return this._transport.getPermissions();
|
|
}
|
|
|
|
getMetadata() {
|
|
return this._transport.getMetadata();
|
|
}
|
|
|
|
getMarkInfo() {
|
|
return this._transport.getMarkInfo();
|
|
}
|
|
|
|
getData() {
|
|
return this._transport.getData();
|
|
}
|
|
|
|
getDownloadInfo() {
|
|
return this._transport.downloadInfoCapability.promise;
|
|
}
|
|
|
|
cleanup(keepLoadedFonts = false) {
|
|
return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
|
|
}
|
|
|
|
destroy() {
|
|
return this.loadingTask.destroy();
|
|
}
|
|
|
|
get loadingParams() {
|
|
return this._transport.loadingParams;
|
|
}
|
|
|
|
get loadingTask() {
|
|
return this._transport.loadingTask;
|
|
}
|
|
|
|
saveDocument() {
|
|
if (this._transport.annotationStorage.size <= 0) {
|
|
(0, _display_utils.deprecated)("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
|
|
}
|
|
|
|
return this._transport.saveDocument();
|
|
}
|
|
|
|
getFieldObjects() {
|
|
return this._transport.getFieldObjects();
|
|
}
|
|
|
|
hasJSActions() {
|
|
return this._transport.hasJSActions();
|
|
}
|
|
|
|
getCalculationOrderIds() {
|
|
return this._transport.getCalculationOrderIds();
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDocumentProxy = PDFDocumentProxy;
|
|
|
|
class PDFPageProxy {
|
|
constructor(pageIndex, pageInfo, transport, ownerDocument, pdfBug = false) {
|
|
this._pageIndex = pageIndex;
|
|
this._pageInfo = pageInfo;
|
|
this._ownerDocument = ownerDocument;
|
|
this._transport = transport;
|
|
this._stats = pdfBug ? new _display_utils.StatTimer() : null;
|
|
this._pdfBug = pdfBug;
|
|
this.commonObjs = transport.commonObjs;
|
|
this.objs = new PDFObjects();
|
|
this.cleanupAfterRender = false;
|
|
this.pendingCleanup = false;
|
|
this._intentStates = new Map();
|
|
this._annotationPromises = new Map();
|
|
this.destroyed = false;
|
|
}
|
|
|
|
get pageNumber() {
|
|
return this._pageIndex + 1;
|
|
}
|
|
|
|
get rotate() {
|
|
return this._pageInfo.rotate;
|
|
}
|
|
|
|
get ref() {
|
|
return this._pageInfo.ref;
|
|
}
|
|
|
|
get userUnit() {
|
|
return this._pageInfo.userUnit;
|
|
}
|
|
|
|
get view() {
|
|
return this._pageInfo.view;
|
|
}
|
|
|
|
getViewport({
|
|
scale,
|
|
rotation = this.rotate,
|
|
offsetX = 0,
|
|
offsetY = 0,
|
|
dontFlip = false
|
|
} = {}) {
|
|
return new _display_utils.PageViewport({
|
|
viewBox: this.view,
|
|
scale,
|
|
rotation,
|
|
offsetX,
|
|
offsetY,
|
|
dontFlip
|
|
});
|
|
}
|
|
|
|
getAnnotations({
|
|
intent = "display"
|
|
} = {}) {
|
|
const intentArgs = this._transport.getRenderingIntent(intent);
|
|
|
|
let promise = this._annotationPromises.get(intentArgs.cacheKey);
|
|
|
|
if (!promise) {
|
|
promise = this._transport.getAnnotations(this._pageIndex, intentArgs.renderingIntent);
|
|
|
|
this._annotationPromises.set(intentArgs.cacheKey, promise);
|
|
|
|
promise = promise.then(annotations => {
|
|
for (const annotation of annotations) {
|
|
if (annotation.titleObj !== undefined) {
|
|
Object.defineProperty(annotation, "title", {
|
|
get() {
|
|
(0, _display_utils.deprecated)("`title`-property on annotation, please use `titleObj` instead.");
|
|
return annotation.titleObj.str;
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
if (annotation.contentsObj !== undefined) {
|
|
Object.defineProperty(annotation, "contents", {
|
|
get() {
|
|
(0, _display_utils.deprecated)("`contents`-property on annotation, please use `contentsObj` instead.");
|
|
return annotation.contentsObj.str;
|
|
}
|
|
|
|
});
|
|
}
|
|
}
|
|
|
|
return annotations;
|
|
});
|
|
}
|
|
|
|
return promise;
|
|
}
|
|
|
|
getJSActions() {
|
|
return this._jsActionsPromise ||= this._transport.getPageJSActions(this._pageIndex);
|
|
}
|
|
|
|
async getXfa() {
|
|
return this._transport._htmlForXfa?.children[this._pageIndex] || null;
|
|
}
|
|
|
|
render({
|
|
canvasContext,
|
|
viewport,
|
|
intent = "display",
|
|
annotationMode = _util.AnnotationMode.ENABLE,
|
|
transform = null,
|
|
imageLayer = null,
|
|
canvasFactory = null,
|
|
background = null,
|
|
optionalContentConfigPromise = null,
|
|
annotationCanvasMap = null
|
|
}) {
|
|
if (arguments[0]?.renderInteractiveForms !== undefined) {
|
|
(0, _display_utils.deprecated)("render no longer accepts the `renderInteractiveForms`-option, " + "please use the `annotationMode`-option instead.");
|
|
|
|
if (arguments[0].renderInteractiveForms === true && annotationMode === _util.AnnotationMode.ENABLE) {
|
|
annotationMode = _util.AnnotationMode.ENABLE_FORMS;
|
|
}
|
|
}
|
|
|
|
if (arguments[0]?.includeAnnotationStorage !== undefined) {
|
|
(0, _display_utils.deprecated)("render no longer accepts the `includeAnnotationStorage`-option, " + "please use the `annotationMode`-option instead.");
|
|
|
|
if (arguments[0].includeAnnotationStorage === true && annotationMode === _util.AnnotationMode.ENABLE) {
|
|
annotationMode = _util.AnnotationMode.ENABLE_STORAGE;
|
|
}
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Overall");
|
|
}
|
|
|
|
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode);
|
|
|
|
this.pendingCleanup = false;
|
|
|
|
if (!optionalContentConfigPromise) {
|
|
optionalContentConfigPromise = this._transport.getOptionalContentConfig();
|
|
}
|
|
|
|
let intentState = this._intentStates.get(intentArgs.cacheKey);
|
|
|
|
if (!intentState) {
|
|
intentState = Object.create(null);
|
|
|
|
this._intentStates.set(intentArgs.cacheKey, intentState);
|
|
}
|
|
|
|
if (intentState.streamReaderCancelTimeout) {
|
|
clearTimeout(intentState.streamReaderCancelTimeout);
|
|
intentState.streamReaderCancelTimeout = null;
|
|
}
|
|
|
|
const canvasFactoryInstance = canvasFactory || new DefaultCanvasFactory({
|
|
ownerDocument: this._ownerDocument
|
|
});
|
|
const intentPrint = !!(intentArgs.renderingIntent & _util.RenderingIntentFlag.PRINT);
|
|
|
|
if (!intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Page Request");
|
|
}
|
|
|
|
this._pumpOperatorList(intentArgs);
|
|
}
|
|
|
|
const complete = error => {
|
|
intentState.renderTasks.delete(internalRenderTask);
|
|
|
|
if (this.cleanupAfterRender || intentPrint) {
|
|
this.pendingCleanup = true;
|
|
}
|
|
|
|
this._tryCleanup();
|
|
|
|
if (error) {
|
|
internalRenderTask.capability.reject(error);
|
|
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason: error instanceof Error ? error : new Error(error)
|
|
});
|
|
} else {
|
|
internalRenderTask.capability.resolve();
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.timeEnd("Rendering");
|
|
|
|
this._stats.timeEnd("Overall");
|
|
}
|
|
};
|
|
|
|
const internalRenderTask = new InternalRenderTask({
|
|
callback: complete,
|
|
params: {
|
|
canvasContext,
|
|
viewport,
|
|
transform,
|
|
imageLayer,
|
|
background
|
|
},
|
|
objs: this.objs,
|
|
commonObjs: this.commonObjs,
|
|
annotationCanvasMap,
|
|
operatorList: intentState.operatorList,
|
|
pageIndex: this._pageIndex,
|
|
canvasFactory: canvasFactoryInstance,
|
|
useRequestAnimationFrame: !intentPrint,
|
|
pdfBug: this._pdfBug
|
|
});
|
|
(intentState.renderTasks ||= new Set()).add(internalRenderTask);
|
|
const renderTask = internalRenderTask.task;
|
|
Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
|
|
if (this.pendingCleanup) {
|
|
complete();
|
|
return;
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Rendering");
|
|
}
|
|
|
|
internalRenderTask.initializeGraphics({
|
|
transparency,
|
|
optionalContentConfig
|
|
});
|
|
internalRenderTask.operatorListChanged();
|
|
}).catch(complete);
|
|
return renderTask;
|
|
}
|
|
|
|
getOperatorList({
|
|
intent = "display",
|
|
annotationMode = _util.AnnotationMode.ENABLE
|
|
} = {}) {
|
|
function operatorListChanged() {
|
|
if (intentState.operatorList.lastChunk) {
|
|
intentState.opListReadCapability.resolve(intentState.operatorList);
|
|
intentState.renderTasks.delete(opListTask);
|
|
}
|
|
}
|
|
|
|
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, true);
|
|
|
|
let intentState = this._intentStates.get(intentArgs.cacheKey);
|
|
|
|
if (!intentState) {
|
|
intentState = Object.create(null);
|
|
|
|
this._intentStates.set(intentArgs.cacheKey, intentState);
|
|
}
|
|
|
|
let opListTask;
|
|
|
|
if (!intentState.opListReadCapability) {
|
|
opListTask = Object.create(null);
|
|
opListTask.operatorListChanged = operatorListChanged;
|
|
intentState.opListReadCapability = (0, _util.createPromiseCapability)();
|
|
(intentState.renderTasks ||= new Set()).add(opListTask);
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
|
|
if (this._stats) {
|
|
this._stats.time("Page Request");
|
|
}
|
|
|
|
this._pumpOperatorList(intentArgs);
|
|
}
|
|
|
|
return intentState.opListReadCapability.promise;
|
|
}
|
|
|
|
streamTextContent({
|
|
disableCombineTextItems = false,
|
|
includeMarkedContent = false
|
|
} = {}) {
|
|
const TEXT_CONTENT_CHUNK_SIZE = 100;
|
|
return this._transport.messageHandler.sendWithStream("GetTextContent", {
|
|
pageIndex: this._pageIndex,
|
|
combineTextItems: disableCombineTextItems !== true,
|
|
includeMarkedContent: includeMarkedContent === true
|
|
}, {
|
|
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
|
|
|
|
size(textContent) {
|
|
return textContent.items.length;
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
getTextContent(params = {}) {
|
|
if (this._transport._htmlForXfa) {
|
|
return this.getXfa().then(xfa => {
|
|
return _xfa_text.XfaText.textContent(xfa);
|
|
});
|
|
}
|
|
|
|
const readableStream = this.streamTextContent(params);
|
|
return new Promise(function (resolve, reject) {
|
|
function pump() {
|
|
reader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
resolve(textContent);
|
|
return;
|
|
}
|
|
|
|
Object.assign(textContent.styles, value.styles);
|
|
textContent.items.push(...value.items);
|
|
pump();
|
|
}, reject);
|
|
}
|
|
|
|
const reader = readableStream.getReader();
|
|
const textContent = {
|
|
items: [],
|
|
styles: Object.create(null)
|
|
};
|
|
pump();
|
|
});
|
|
}
|
|
|
|
getStructTree() {
|
|
return this._structTreePromise ||= this._transport.getStructTree(this._pageIndex);
|
|
}
|
|
|
|
_destroy() {
|
|
this.destroyed = true;
|
|
const waitOn = [];
|
|
|
|
for (const intentState of this._intentStates.values()) {
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason: new Error("Page was destroyed."),
|
|
force: true
|
|
});
|
|
|
|
if (intentState.opListReadCapability) {
|
|
continue;
|
|
}
|
|
|
|
for (const internalRenderTask of intentState.renderTasks) {
|
|
waitOn.push(internalRenderTask.completed);
|
|
internalRenderTask.cancel();
|
|
}
|
|
}
|
|
|
|
this.objs.clear();
|
|
|
|
this._annotationPromises.clear();
|
|
|
|
this._jsActionsPromise = null;
|
|
this._structTreePromise = null;
|
|
this.pendingCleanup = false;
|
|
return Promise.all(waitOn);
|
|
}
|
|
|
|
cleanup(resetStats = false) {
|
|
this.pendingCleanup = true;
|
|
return this._tryCleanup(resetStats);
|
|
}
|
|
|
|
_tryCleanup(resetStats = false) {
|
|
if (!this.pendingCleanup) {
|
|
return false;
|
|
}
|
|
|
|
for (const {
|
|
renderTasks,
|
|
operatorList
|
|
} of this._intentStates.values()) {
|
|
if (renderTasks.size > 0 || !operatorList.lastChunk) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
this._intentStates.clear();
|
|
|
|
this.objs.clear();
|
|
|
|
this._annotationPromises.clear();
|
|
|
|
this._jsActionsPromise = null;
|
|
this._structTreePromise = null;
|
|
|
|
if (resetStats && this._stats) {
|
|
this._stats = new _display_utils.StatTimer();
|
|
}
|
|
|
|
this.pendingCleanup = false;
|
|
return true;
|
|
}
|
|
|
|
_startRenderPage(transparency, cacheKey) {
|
|
const intentState = this._intentStates.get(cacheKey);
|
|
|
|
if (!intentState) {
|
|
return;
|
|
}
|
|
|
|
if (this._stats) {
|
|
this._stats.timeEnd("Page Request");
|
|
}
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.resolve(transparency);
|
|
}
|
|
}
|
|
|
|
_renderPageChunk(operatorListChunk, intentState) {
|
|
for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
|
|
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
|
|
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
|
|
}
|
|
|
|
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
|
|
|
|
for (const internalRenderTask of intentState.renderTasks) {
|
|
internalRenderTask.operatorListChanged();
|
|
}
|
|
|
|
if (operatorListChunk.lastChunk) {
|
|
this._tryCleanup();
|
|
}
|
|
}
|
|
|
|
_pumpOperatorList({
|
|
renderingIntent,
|
|
cacheKey
|
|
}) {
|
|
const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
|
|
pageIndex: this._pageIndex,
|
|
intent: renderingIntent,
|
|
cacheKey,
|
|
annotationStorage: renderingIntent & _util.RenderingIntentFlag.ANNOTATIONS_STORAGE ? this._transport.annotationStorage.serializable : null
|
|
});
|
|
|
|
const reader = readableStream.getReader();
|
|
|
|
const intentState = this._intentStates.get(cacheKey);
|
|
|
|
intentState.streamReader = reader;
|
|
|
|
const pump = () => {
|
|
reader.read().then(({
|
|
value,
|
|
done
|
|
}) => {
|
|
if (done) {
|
|
intentState.streamReader = null;
|
|
return;
|
|
}
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
this._renderPageChunk(value, intentState);
|
|
|
|
pump();
|
|
}, reason => {
|
|
intentState.streamReader = null;
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (intentState.operatorList) {
|
|
intentState.operatorList.lastChunk = true;
|
|
|
|
for (const internalRenderTask of intentState.renderTasks) {
|
|
internalRenderTask.operatorListChanged();
|
|
}
|
|
|
|
this._tryCleanup();
|
|
}
|
|
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.reject(reason);
|
|
} else if (intentState.opListReadCapability) {
|
|
intentState.opListReadCapability.reject(reason);
|
|
} else {
|
|
throw reason;
|
|
}
|
|
});
|
|
};
|
|
|
|
pump();
|
|
}
|
|
|
|
_abortOperatorList({
|
|
intentState,
|
|
reason,
|
|
force = false
|
|
}) {
|
|
if (!intentState.streamReader) {
|
|
return;
|
|
}
|
|
|
|
if (!force) {
|
|
if (intentState.renderTasks.size > 0) {
|
|
return;
|
|
}
|
|
|
|
if (reason instanceof _display_utils.RenderingCancelledException) {
|
|
intentState.streamReaderCancelTimeout = setTimeout(() => {
|
|
this._abortOperatorList({
|
|
intentState,
|
|
reason,
|
|
force: true
|
|
});
|
|
|
|
intentState.streamReaderCancelTimeout = null;
|
|
}, RENDERING_CANCELLED_TIMEOUT);
|
|
return;
|
|
}
|
|
}
|
|
|
|
intentState.streamReader.cancel(new _util.AbortException(reason.message)).catch(() => {});
|
|
intentState.streamReader = null;
|
|
|
|
if (this._transport.destroyed) {
|
|
return;
|
|
}
|
|
|
|
for (const [curCacheKey, curIntentState] of this._intentStates) {
|
|
if (curIntentState === intentState) {
|
|
this._intentStates.delete(curCacheKey);
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
this.cleanup();
|
|
}
|
|
|
|
get stats() {
|
|
return this._stats;
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFPageProxy = PDFPageProxy;
|
|
|
|
class LoopbackPort {
|
|
constructor() {
|
|
this._listeners = [];
|
|
this._deferred = Promise.resolve();
|
|
}
|
|
|
|
postMessage(obj, transfers) {
|
|
const event = {
|
|
data: structuredClone(obj, transfers)
|
|
};
|
|
|
|
this._deferred.then(() => {
|
|
for (const listener of this._listeners) {
|
|
listener.call(this, event);
|
|
}
|
|
});
|
|
}
|
|
|
|
addEventListener(name, listener) {
|
|
this._listeners.push(listener);
|
|
}
|
|
|
|
removeEventListener(name, listener) {
|
|
const i = this._listeners.indexOf(listener);
|
|
|
|
this._listeners.splice(i, 1);
|
|
}
|
|
|
|
terminate() {
|
|
this._listeners.length = 0;
|
|
}
|
|
|
|
}
|
|
|
|
exports.LoopbackPort = LoopbackPort;
|
|
const PDFWorkerUtil = {
|
|
isWorkerDisabled: false,
|
|
fallbackWorkerSrc: null,
|
|
fakeWorkerId: 0
|
|
};
|
|
{
|
|
if (_is_node.isNodeJS && typeof require === "function") {
|
|
PDFWorkerUtil.isWorkerDisabled = true;
|
|
PDFWorkerUtil.fallbackWorkerSrc = "./pdf.worker.js";
|
|
} else if (typeof document === "object") {
|
|
const pdfjsFilePath = document?.currentScript?.src;
|
|
|
|
if (pdfjsFilePath) {
|
|
PDFWorkerUtil.fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, ".worker$1$2");
|
|
}
|
|
}
|
|
|
|
PDFWorkerUtil.createCDNWrapper = function (url) {
|
|
const wrapper = `importScripts("${url}");`;
|
|
return URL.createObjectURL(new Blob([wrapper]));
|
|
};
|
|
}
|
|
|
|
class PDFWorker {
|
|
static get _workerPorts() {
|
|
return (0, _util.shadow)(this, "_workerPorts", new WeakMap());
|
|
}
|
|
|
|
constructor({
|
|
name = null,
|
|
port = null,
|
|
verbosity = (0, _util.getVerbosityLevel)()
|
|
} = {}) {
|
|
if (port && PDFWorker._workerPorts.has(port)) {
|
|
throw new Error("Cannot use more than one PDFWorker per port.");
|
|
}
|
|
|
|
this.name = name;
|
|
this.destroyed = false;
|
|
this.verbosity = verbosity;
|
|
this._readyCapability = (0, _util.createPromiseCapability)();
|
|
this._port = null;
|
|
this._webWorker = null;
|
|
this._messageHandler = null;
|
|
|
|
if (port) {
|
|
PDFWorker._workerPorts.set(port, this);
|
|
|
|
this._initializeFromPort(port);
|
|
|
|
return;
|
|
}
|
|
|
|
this._initialize();
|
|
}
|
|
|
|
get promise() {
|
|
return this._readyCapability.promise;
|
|
}
|
|
|
|
get port() {
|
|
return this._port;
|
|
}
|
|
|
|
get messageHandler() {
|
|
return this._messageHandler;
|
|
}
|
|
|
|
_initializeFromPort(port) {
|
|
this._port = port;
|
|
this._messageHandler = new _message_handler.MessageHandler("main", "worker", port);
|
|
|
|
this._messageHandler.on("ready", function () {});
|
|
|
|
this._readyCapability.resolve();
|
|
}
|
|
|
|
_initialize() {
|
|
if (typeof Worker !== "undefined" && !PDFWorkerUtil.isWorkerDisabled && !PDFWorker._mainThreadWorkerMessageHandler) {
|
|
let workerSrc = PDFWorker.workerSrc;
|
|
|
|
try {
|
|
if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
|
|
workerSrc = PDFWorkerUtil.createCDNWrapper(new URL(workerSrc, window.location).href);
|
|
}
|
|
|
|
const worker = new Worker(workerSrc);
|
|
const messageHandler = new _message_handler.MessageHandler("main", "worker", worker);
|
|
|
|
const terminateEarly = () => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error("Worker was destroyed"));
|
|
} else {
|
|
this._setupFakeWorker();
|
|
}
|
|
};
|
|
|
|
const onWorkerError = () => {
|
|
if (!this._webWorker) {
|
|
terminateEarly();
|
|
}
|
|
};
|
|
|
|
worker.addEventListener("error", onWorkerError);
|
|
messageHandler.on("test", data => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
if (data) {
|
|
this._messageHandler = messageHandler;
|
|
this._port = worker;
|
|
this._webWorker = worker;
|
|
|
|
this._readyCapability.resolve();
|
|
|
|
messageHandler.send("configure", {
|
|
verbosity: this.verbosity
|
|
});
|
|
} else {
|
|
this._setupFakeWorker();
|
|
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
}
|
|
});
|
|
messageHandler.on("ready", data => {
|
|
worker.removeEventListener("error", onWorkerError);
|
|
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
|
|
try {
|
|
sendTest();
|
|
} catch (e) {
|
|
this._setupFakeWorker();
|
|
}
|
|
});
|
|
|
|
const sendTest = () => {
|
|
const testObj = new Uint8Array([255]);
|
|
|
|
try {
|
|
messageHandler.send("test", testObj, [testObj.buffer]);
|
|
} catch (ex) {
|
|
(0, _util.warn)("Cannot use postMessage transfers.");
|
|
testObj[0] = 0;
|
|
messageHandler.send("test", testObj);
|
|
}
|
|
};
|
|
|
|
sendTest();
|
|
return;
|
|
} catch (e) {
|
|
(0, _util.info)("The worker has been disabled.");
|
|
}
|
|
}
|
|
|
|
this._setupFakeWorker();
|
|
}
|
|
|
|
_setupFakeWorker() {
|
|
if (!PDFWorkerUtil.isWorkerDisabled) {
|
|
(0, _util.warn)("Setting up fake worker.");
|
|
PDFWorkerUtil.isWorkerDisabled = true;
|
|
}
|
|
|
|
PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error("Worker was destroyed"));
|
|
|
|
return;
|
|
}
|
|
|
|
const port = new LoopbackPort();
|
|
this._port = port;
|
|
const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;
|
|
const workerHandler = new _message_handler.MessageHandler(id + "_worker", id, port);
|
|
WorkerMessageHandler.setup(workerHandler, port);
|
|
const messageHandler = new _message_handler.MessageHandler(id, id + "_worker", port);
|
|
this._messageHandler = messageHandler;
|
|
|
|
this._readyCapability.resolve();
|
|
|
|
messageHandler.send("configure", {
|
|
verbosity: this.verbosity
|
|
});
|
|
}).catch(reason => {
|
|
this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
|
|
});
|
|
}
|
|
|
|
destroy() {
|
|
this.destroyed = true;
|
|
|
|
if (this._webWorker) {
|
|
this._webWorker.terminate();
|
|
|
|
this._webWorker = null;
|
|
}
|
|
|
|
PDFWorker._workerPorts.delete(this._port);
|
|
|
|
this._port = null;
|
|
|
|
if (this._messageHandler) {
|
|
this._messageHandler.destroy();
|
|
|
|
this._messageHandler = null;
|
|
}
|
|
}
|
|
|
|
static fromPort(params) {
|
|
if (!params?.port) {
|
|
throw new Error("PDFWorker.fromPort - invalid method signature.");
|
|
}
|
|
|
|
if (this._workerPorts.has(params.port)) {
|
|
return this._workerPorts.get(params.port);
|
|
}
|
|
|
|
return new PDFWorker(params);
|
|
}
|
|
|
|
static get workerSrc() {
|
|
if (_worker_options.GlobalWorkerOptions.workerSrc) {
|
|
return _worker_options.GlobalWorkerOptions.workerSrc;
|
|
}
|
|
|
|
if (PDFWorkerUtil.fallbackWorkerSrc !== null) {
|
|
if (!_is_node.isNodeJS) {
|
|
(0, _display_utils.deprecated)('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
|
|
return PDFWorkerUtil.fallbackWorkerSrc;
|
|
}
|
|
|
|
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
|
|
}
|
|
|
|
static get _mainThreadWorkerMessageHandler() {
|
|
try {
|
|
return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
|
|
} catch (ex) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
static get _setupFakeWorkerGlobal() {
|
|
const loader = async () => {
|
|
const mainWorkerMessageHandler = this._mainThreadWorkerMessageHandler;
|
|
|
|
if (mainWorkerMessageHandler) {
|
|
return mainWorkerMessageHandler;
|
|
}
|
|
|
|
if (_is_node.isNodeJS && typeof require === "function") {
|
|
const worker = eval("require")(this.workerSrc);
|
|
return worker.WorkerMessageHandler;
|
|
}
|
|
|
|
await (0, _display_utils.loadScript)(this.workerSrc);
|
|
return window.pdfjsWorker.WorkerMessageHandler;
|
|
};
|
|
|
|
return (0, _util.shadow)(this, "_setupFakeWorkerGlobal", loader());
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFWorker = PDFWorker;
|
|
{
|
|
PDFWorker.getWorkerSrc = function () {
|
|
(0, _display_utils.deprecated)("`PDFWorker.getWorkerSrc()`, please use `PDFWorker.workerSrc` instead.");
|
|
return this.workerSrc;
|
|
};
|
|
}
|
|
|
|
class WorkerTransport {
|
|
#docStats = null;
|
|
#pageCache = new Map();
|
|
#pagePromises = new Map();
|
|
#metadataPromise = null;
|
|
|
|
constructor(messageHandler, loadingTask, networkStream, params) {
|
|
this.messageHandler = messageHandler;
|
|
this.loadingTask = loadingTask;
|
|
this.commonObjs = new PDFObjects();
|
|
this.fontLoader = new _font_loader.FontLoader({
|
|
docId: loadingTask.docId,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
|
|
ownerDocument: params.ownerDocument,
|
|
styleElement: params.styleElement
|
|
});
|
|
this._params = params;
|
|
|
|
if (!params.useWorkerFetch) {
|
|
this.CMapReaderFactory = new params.CMapReaderFactory({
|
|
baseUrl: params.cMapUrl,
|
|
isCompressed: params.cMapPacked
|
|
});
|
|
this.StandardFontDataFactory = new params.StandardFontDataFactory({
|
|
baseUrl: params.standardFontDataUrl
|
|
});
|
|
}
|
|
|
|
this.destroyed = false;
|
|
this.destroyCapability = null;
|
|
this._passwordCapability = null;
|
|
this._networkStream = networkStream;
|
|
this._fullReader = null;
|
|
this._lastProgress = null;
|
|
this.downloadInfoCapability = (0, _util.createPromiseCapability)();
|
|
this.setupMessageHandler();
|
|
}
|
|
|
|
get annotationStorage() {
|
|
return (0, _util.shadow)(this, "annotationStorage", new _annotation_storage.AnnotationStorage());
|
|
}
|
|
|
|
get stats() {
|
|
return this.#docStats;
|
|
}
|
|
|
|
getRenderingIntent(intent, annotationMode = _util.AnnotationMode.ENABLE, isOpList = false) {
|
|
let renderingIntent = _util.RenderingIntentFlag.DISPLAY;
|
|
let lastModified = "";
|
|
|
|
switch (intent) {
|
|
case "any":
|
|
renderingIntent = _util.RenderingIntentFlag.ANY;
|
|
break;
|
|
|
|
case "display":
|
|
break;
|
|
|
|
case "print":
|
|
renderingIntent = _util.RenderingIntentFlag.PRINT;
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`getRenderingIntent - invalid intent: ${intent}`);
|
|
}
|
|
|
|
switch (annotationMode) {
|
|
case _util.AnnotationMode.DISABLE:
|
|
renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_DISABLE;
|
|
break;
|
|
|
|
case _util.AnnotationMode.ENABLE:
|
|
break;
|
|
|
|
case _util.AnnotationMode.ENABLE_FORMS:
|
|
renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_FORMS;
|
|
break;
|
|
|
|
case _util.AnnotationMode.ENABLE_STORAGE:
|
|
renderingIntent += _util.RenderingIntentFlag.ANNOTATIONS_STORAGE;
|
|
lastModified = this.annotationStorage.lastModified;
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`getRenderingIntent - invalid annotationMode: ${annotationMode}`);
|
|
}
|
|
|
|
if (isOpList) {
|
|
renderingIntent += _util.RenderingIntentFlag.OPLIST;
|
|
}
|
|
|
|
return {
|
|
renderingIntent,
|
|
cacheKey: `${renderingIntent}_${lastModified}`
|
|
};
|
|
}
|
|
|
|
destroy() {
|
|
if (this.destroyCapability) {
|
|
return this.destroyCapability.promise;
|
|
}
|
|
|
|
this.destroyed = true;
|
|
this.destroyCapability = (0, _util.createPromiseCapability)();
|
|
|
|
if (this._passwordCapability) {
|
|
this._passwordCapability.reject(new Error("Worker was destroyed during onPassword callback"));
|
|
}
|
|
|
|
const waitOn = [];
|
|
|
|
for (const page of this.#pageCache.values()) {
|
|
waitOn.push(page._destroy());
|
|
}
|
|
|
|
this.#pageCache.clear();
|
|
this.#pagePromises.clear();
|
|
|
|
if (this.hasOwnProperty("annotationStorage")) {
|
|
this.annotationStorage.resetModified();
|
|
}
|
|
|
|
const terminated = this.messageHandler.sendWithPromise("Terminate", null);
|
|
waitOn.push(terminated);
|
|
Promise.all(waitOn).then(() => {
|
|
this.commonObjs.clear();
|
|
this.fontLoader.clear();
|
|
this.#metadataPromise = null;
|
|
this._getFieldObjectsPromise = null;
|
|
this._hasJSActionsPromise = null;
|
|
|
|
if (this._networkStream) {
|
|
this._networkStream.cancelAllRequests(new _util.AbortException("Worker was terminated."));
|
|
}
|
|
|
|
if (this.messageHandler) {
|
|
this.messageHandler.destroy();
|
|
this.messageHandler = null;
|
|
}
|
|
|
|
this.destroyCapability.resolve();
|
|
}, this.destroyCapability.reject);
|
|
return this.destroyCapability.promise;
|
|
}
|
|
|
|
setupMessageHandler() {
|
|
const {
|
|
messageHandler,
|
|
loadingTask
|
|
} = this;
|
|
messageHandler.on("GetReader", (data, sink) => {
|
|
(0, _util.assert)(this._networkStream, "GetReader - no `IPDFStream` instance available.");
|
|
this._fullReader = this._networkStream.getFullReader();
|
|
|
|
this._fullReader.onProgress = evt => {
|
|
this._lastProgress = {
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
};
|
|
};
|
|
|
|
sink.onPull = () => {
|
|
this._fullReader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value), "GetReader - expected an ArrayBuffer.");
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = reason => {
|
|
this._fullReader.cancel(reason);
|
|
|
|
sink.ready.catch(readyReason => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
throw readyReason;
|
|
});
|
|
};
|
|
});
|
|
messageHandler.on("ReaderHeadersReady", data => {
|
|
const headersCapability = (0, _util.createPromiseCapability)();
|
|
const fullReader = this._fullReader;
|
|
fullReader.headersReady.then(() => {
|
|
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
|
|
if (this._lastProgress) {
|
|
loadingTask.onProgress?.(this._lastProgress);
|
|
}
|
|
|
|
fullReader.onProgress = evt => {
|
|
loadingTask.onProgress?.({
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
});
|
|
};
|
|
}
|
|
|
|
headersCapability.resolve({
|
|
isStreamingSupported: fullReader.isStreamingSupported,
|
|
isRangeSupported: fullReader.isRangeSupported,
|
|
contentLength: fullReader.contentLength
|
|
});
|
|
}, headersCapability.reject);
|
|
return headersCapability.promise;
|
|
});
|
|
messageHandler.on("GetRangeReader", (data, sink) => {
|
|
(0, _util.assert)(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
|
|
|
|
const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
|
|
|
|
if (!rangeReader) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
sink.onPull = () => {
|
|
rangeReader.read().then(function ({
|
|
value,
|
|
done
|
|
}) {
|
|
if (done) {
|
|
sink.close();
|
|
return;
|
|
}
|
|
|
|
(0, _util.assert)((0, _util.isArrayBuffer)(value), "GetRangeReader - expected an ArrayBuffer.");
|
|
sink.enqueue(new Uint8Array(value), 1, [value]);
|
|
}).catch(reason => {
|
|
sink.error(reason);
|
|
});
|
|
};
|
|
|
|
sink.onCancel = reason => {
|
|
rangeReader.cancel(reason);
|
|
sink.ready.catch(readyReason => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
throw readyReason;
|
|
});
|
|
};
|
|
});
|
|
messageHandler.on("GetDoc", ({
|
|
pdfInfo
|
|
}) => {
|
|
this._numPages = pdfInfo.numPages;
|
|
this._htmlForXfa = pdfInfo.htmlForXfa;
|
|
delete pdfInfo.htmlForXfa;
|
|
|
|
loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
|
|
});
|
|
messageHandler.on("DocException", function (ex) {
|
|
let reason;
|
|
|
|
switch (ex.name) {
|
|
case "PasswordException":
|
|
reason = new _util.PasswordException(ex.message, ex.code);
|
|
break;
|
|
|
|
case "InvalidPDFException":
|
|
reason = new _util.InvalidPDFException(ex.message);
|
|
break;
|
|
|
|
case "MissingPDFException":
|
|
reason = new _util.MissingPDFException(ex.message);
|
|
break;
|
|
|
|
case "UnexpectedResponseException":
|
|
reason = new _util.UnexpectedResponseException(ex.message, ex.status);
|
|
break;
|
|
|
|
case "UnknownErrorException":
|
|
reason = new _util.UnknownErrorException(ex.message, ex.details);
|
|
break;
|
|
|
|
default:
|
|
(0, _util.unreachable)("DocException - expected a valid Error.");
|
|
}
|
|
|
|
loadingTask._capability.reject(reason);
|
|
});
|
|
messageHandler.on("PasswordRequest", exception => {
|
|
this._passwordCapability = (0, _util.createPromiseCapability)();
|
|
|
|
if (loadingTask.onPassword) {
|
|
const updatePassword = password => {
|
|
if (password instanceof Error) {
|
|
this._passwordCapability.reject(password);
|
|
} else {
|
|
this._passwordCapability.resolve({
|
|
password
|
|
});
|
|
}
|
|
};
|
|
|
|
try {
|
|
loadingTask.onPassword(updatePassword, exception.code);
|
|
} catch (ex) {
|
|
this._passwordCapability.reject(ex);
|
|
}
|
|
} else {
|
|
this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
|
|
}
|
|
|
|
return this._passwordCapability.promise;
|
|
});
|
|
messageHandler.on("DataLoaded", data => {
|
|
loadingTask.onProgress?.({
|
|
loaded: data.length,
|
|
total: data.length
|
|
});
|
|
this.downloadInfoCapability.resolve(data);
|
|
});
|
|
messageHandler.on("StartRenderPage", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
const page = this.#pageCache.get(data.pageIndex);
|
|
|
|
page._startRenderPage(data.transparency, data.cacheKey);
|
|
});
|
|
messageHandler.on("commonobj", ([id, type, exportedData]) => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
if (this.commonObjs.has(id)) {
|
|
return;
|
|
}
|
|
|
|
switch (type) {
|
|
case "Font":
|
|
const params = this._params;
|
|
|
|
if ("error" in exportedData) {
|
|
const exportedError = exportedData.error;
|
|
(0, _util.warn)(`Error during font loading: ${exportedError}`);
|
|
this.commonObjs.resolve(id, exportedError);
|
|
break;
|
|
}
|
|
|
|
let fontRegistry = null;
|
|
|
|
if (params.pdfBug && globalThis.FontInspector?.enabled) {
|
|
fontRegistry = {
|
|
registerFont(font, url) {
|
|
globalThis.FontInspector.fontAdded(font, url);
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
const font = new _font_loader.FontFaceObject(exportedData, {
|
|
isEvalSupported: params.isEvalSupported,
|
|
disableFontFace: params.disableFontFace,
|
|
ignoreErrors: params.ignoreErrors,
|
|
onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
|
|
fontRegistry
|
|
});
|
|
this.fontLoader.bind(font).catch(reason => {
|
|
return messageHandler.sendWithPromise("FontFallback", {
|
|
id
|
|
});
|
|
}).finally(() => {
|
|
if (!params.fontExtraProperties && font.data) {
|
|
font.data = null;
|
|
}
|
|
|
|
this.commonObjs.resolve(id, font);
|
|
});
|
|
break;
|
|
|
|
case "FontPath":
|
|
case "Image":
|
|
this.commonObjs.resolve(id, exportedData);
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Got unknown common object type ${type}`);
|
|
}
|
|
});
|
|
messageHandler.on("obj", ([id, pageIndex, type, imageData]) => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
const pageProxy = this.#pageCache.get(pageIndex);
|
|
|
|
if (pageProxy.objs.has(id)) {
|
|
return;
|
|
}
|
|
|
|
switch (type) {
|
|
case "Image":
|
|
pageProxy.objs.resolve(id, imageData);
|
|
const MAX_IMAGE_SIZE_TO_STORE = 8000000;
|
|
|
|
if (imageData?.data?.length > MAX_IMAGE_SIZE_TO_STORE) {
|
|
pageProxy.cleanupAfterRender = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case "Pattern":
|
|
pageProxy.objs.resolve(id, imageData);
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Got unknown object type ${type}`);
|
|
}
|
|
});
|
|
messageHandler.on("DocProgress", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
loadingTask.onProgress?.({
|
|
loaded: data.loaded,
|
|
total: data.total
|
|
});
|
|
});
|
|
messageHandler.on("DocStats", data => {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
this.#docStats = Object.freeze({
|
|
streamTypes: Object.freeze(data.streamTypes),
|
|
fontTypes: Object.freeze(data.fontTypes)
|
|
});
|
|
});
|
|
messageHandler.on("UnsupportedFeature", this._onUnsupportedFeature.bind(this));
|
|
messageHandler.on("FetchBuiltInCMap", data => {
|
|
if (this.destroyed) {
|
|
return Promise.reject(new Error("Worker was destroyed."));
|
|
}
|
|
|
|
if (!this.CMapReaderFactory) {
|
|
return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter."));
|
|
}
|
|
|
|
return this.CMapReaderFactory.fetch(data);
|
|
});
|
|
messageHandler.on("FetchStandardFontData", data => {
|
|
if (this.destroyed) {
|
|
return Promise.reject(new Error("Worker was destroyed."));
|
|
}
|
|
|
|
if (!this.StandardFontDataFactory) {
|
|
return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter."));
|
|
}
|
|
|
|
return this.StandardFontDataFactory.fetch(data);
|
|
});
|
|
}
|
|
|
|
_onUnsupportedFeature({
|
|
featureId
|
|
}) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
this.loadingTask.onUnsupportedFeature?.(featureId);
|
|
}
|
|
|
|
getData() {
|
|
return this.messageHandler.sendWithPromise("GetData", null);
|
|
}
|
|
|
|
getPage(pageNumber) {
|
|
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
|
|
return Promise.reject(new Error("Invalid page request."));
|
|
}
|
|
|
|
const pageIndex = pageNumber - 1,
|
|
cachedPromise = this.#pagePromises.get(pageIndex);
|
|
|
|
if (cachedPromise) {
|
|
return cachedPromise;
|
|
}
|
|
|
|
const promise = this.messageHandler.sendWithPromise("GetPage", {
|
|
pageIndex
|
|
}).then(pageInfo => {
|
|
if (this.destroyed) {
|
|
throw new Error("Transport destroyed");
|
|
}
|
|
|
|
const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.ownerDocument, this._params.pdfBug);
|
|
this.#pageCache.set(pageIndex, page);
|
|
return page;
|
|
});
|
|
this.#pagePromises.set(pageIndex, promise);
|
|
return promise;
|
|
}
|
|
|
|
getPageIndex(ref) {
|
|
if (typeof ref !== "object" || ref === null || !Number.isInteger(ref.num) || ref.num < 0 || !Number.isInteger(ref.gen) || ref.gen < 0) {
|
|
return Promise.reject(new Error("Invalid pageIndex request."));
|
|
}
|
|
|
|
return this.messageHandler.sendWithPromise("GetPageIndex", {
|
|
num: ref.num,
|
|
gen: ref.gen
|
|
});
|
|
}
|
|
|
|
getAnnotations(pageIndex, intent) {
|
|
return this.messageHandler.sendWithPromise("GetAnnotations", {
|
|
pageIndex,
|
|
intent
|
|
});
|
|
}
|
|
|
|
saveDocument() {
|
|
return this.messageHandler.sendWithPromise("SaveDocument", {
|
|
isPureXfa: !!this._htmlForXfa,
|
|
numPages: this._numPages,
|
|
annotationStorage: this.annotationStorage.serializable,
|
|
filename: this._fullReader?.filename ?? null
|
|
}).finally(() => {
|
|
this.annotationStorage.resetModified();
|
|
});
|
|
}
|
|
|
|
getFieldObjects() {
|
|
return this._getFieldObjectsPromise ||= this.messageHandler.sendWithPromise("GetFieldObjects", null);
|
|
}
|
|
|
|
hasJSActions() {
|
|
return this._hasJSActionsPromise ||= this.messageHandler.sendWithPromise("HasJSActions", null);
|
|
}
|
|
|
|
getCalculationOrderIds() {
|
|
return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null);
|
|
}
|
|
|
|
getDestinations() {
|
|
return this.messageHandler.sendWithPromise("GetDestinations", null);
|
|
}
|
|
|
|
getDestination(id) {
|
|
if (typeof id !== "string") {
|
|
return Promise.reject(new Error("Invalid destination request."));
|
|
}
|
|
|
|
return this.messageHandler.sendWithPromise("GetDestination", {
|
|
id
|
|
});
|
|
}
|
|
|
|
getPageLabels() {
|
|
return this.messageHandler.sendWithPromise("GetPageLabels", null);
|
|
}
|
|
|
|
getPageLayout() {
|
|
return this.messageHandler.sendWithPromise("GetPageLayout", null);
|
|
}
|
|
|
|
getPageMode() {
|
|
return this.messageHandler.sendWithPromise("GetPageMode", null);
|
|
}
|
|
|
|
getViewerPreferences() {
|
|
return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
|
|
}
|
|
|
|
getOpenAction() {
|
|
return this.messageHandler.sendWithPromise("GetOpenAction", null);
|
|
}
|
|
|
|
getAttachments() {
|
|
return this.messageHandler.sendWithPromise("GetAttachments", null);
|
|
}
|
|
|
|
getJavaScript() {
|
|
return this.messageHandler.sendWithPromise("GetJavaScript", null);
|
|
}
|
|
|
|
getDocJSActions() {
|
|
return this.messageHandler.sendWithPromise("GetDocJSActions", null);
|
|
}
|
|
|
|
getPageJSActions(pageIndex) {
|
|
return this.messageHandler.sendWithPromise("GetPageJSActions", {
|
|
pageIndex
|
|
});
|
|
}
|
|
|
|
getStructTree(pageIndex) {
|
|
return this.messageHandler.sendWithPromise("GetStructTree", {
|
|
pageIndex
|
|
});
|
|
}
|
|
|
|
getOutline() {
|
|
return this.messageHandler.sendWithPromise("GetOutline", null);
|
|
}
|
|
|
|
getOptionalContentConfig() {
|
|
return this.messageHandler.sendWithPromise("GetOptionalContentConfig", null).then(results => {
|
|
return new _optional_content_config.OptionalContentConfig(results);
|
|
});
|
|
}
|
|
|
|
getPermissions() {
|
|
return this.messageHandler.sendWithPromise("GetPermissions", null);
|
|
}
|
|
|
|
getMetadata() {
|
|
return this.#metadataPromise ||= this.messageHandler.sendWithPromise("GetMetadata", null).then(results => {
|
|
return {
|
|
info: results[0],
|
|
metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
|
|
contentDispositionFilename: this._fullReader?.filename ?? null,
|
|
contentLength: this._fullReader?.contentLength ?? null
|
|
};
|
|
});
|
|
}
|
|
|
|
getMarkInfo() {
|
|
return this.messageHandler.sendWithPromise("GetMarkInfo", null);
|
|
}
|
|
|
|
async startCleanup(keepLoadedFonts = false) {
|
|
await this.messageHandler.sendWithPromise("Cleanup", null);
|
|
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
|
|
for (const page of this.#pageCache.values()) {
|
|
const cleanupSuccessful = page.cleanup();
|
|
|
|
if (!cleanupSuccessful) {
|
|
throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
|
|
}
|
|
}
|
|
|
|
this.commonObjs.clear();
|
|
|
|
if (!keepLoadedFonts) {
|
|
this.fontLoader.clear();
|
|
}
|
|
|
|
this.#metadataPromise = null;
|
|
this._getFieldObjectsPromise = null;
|
|
this._hasJSActionsPromise = null;
|
|
}
|
|
|
|
get loadingParams() {
|
|
const params = this._params;
|
|
return (0, _util.shadow)(this, "loadingParams", {
|
|
disableAutoFetch: params.disableAutoFetch,
|
|
enableXfa: params.enableXfa
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
class PDFObjects {
|
|
#objs = Object.create(null);
|
|
|
|
#ensureObj(objId) {
|
|
const obj = this.#objs[objId];
|
|
|
|
if (obj) {
|
|
return obj;
|
|
}
|
|
|
|
return this.#objs[objId] = {
|
|
capability: (0, _util.createPromiseCapability)(),
|
|
data: null
|
|
};
|
|
}
|
|
|
|
get(objId, callback = null) {
|
|
if (callback) {
|
|
const obj = this.#ensureObj(objId);
|
|
obj.capability.promise.then(() => callback(obj.data));
|
|
return null;
|
|
}
|
|
|
|
const obj = this.#objs[objId];
|
|
|
|
if (!obj?.capability.settled) {
|
|
throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
|
|
}
|
|
|
|
return obj.data;
|
|
}
|
|
|
|
has(objId) {
|
|
const obj = this.#objs[objId];
|
|
return obj?.capability.settled || false;
|
|
}
|
|
|
|
resolve(objId, data = null) {
|
|
const obj = this.#ensureObj(objId);
|
|
obj.data = data;
|
|
obj.capability.resolve();
|
|
}
|
|
|
|
clear() {
|
|
this.#objs = Object.create(null);
|
|
}
|
|
|
|
}
|
|
|
|
class RenderTask {
|
|
constructor(internalRenderTask) {
|
|
this._internalRenderTask = internalRenderTask;
|
|
this.onContinue = null;
|
|
}
|
|
|
|
get promise() {
|
|
return this._internalRenderTask.capability.promise;
|
|
}
|
|
|
|
cancel() {
|
|
this._internalRenderTask.cancel();
|
|
}
|
|
|
|
}
|
|
|
|
exports.RenderTask = RenderTask;
|
|
|
|
class InternalRenderTask {
|
|
static get canvasInUse() {
|
|
return (0, _util.shadow)(this, "canvasInUse", new WeakSet());
|
|
}
|
|
|
|
constructor({
|
|
callback,
|
|
params,
|
|
objs,
|
|
commonObjs,
|
|
annotationCanvasMap,
|
|
operatorList,
|
|
pageIndex,
|
|
canvasFactory,
|
|
useRequestAnimationFrame = false,
|
|
pdfBug = false
|
|
}) {
|
|
this.callback = callback;
|
|
this.params = params;
|
|
this.objs = objs;
|
|
this.commonObjs = commonObjs;
|
|
this.annotationCanvasMap = annotationCanvasMap;
|
|
this.operatorListIdx = null;
|
|
this.operatorList = operatorList;
|
|
this._pageIndex = pageIndex;
|
|
this.canvasFactory = canvasFactory;
|
|
this._pdfBug = pdfBug;
|
|
this.running = false;
|
|
this.graphicsReadyCallback = null;
|
|
this.graphicsReady = false;
|
|
this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
|
|
this.cancelled = false;
|
|
this.capability = (0, _util.createPromiseCapability)();
|
|
this.task = new RenderTask(this);
|
|
this._cancelBound = this.cancel.bind(this);
|
|
this._continueBound = this._continue.bind(this);
|
|
this._scheduleNextBound = this._scheduleNext.bind(this);
|
|
this._nextBound = this._next.bind(this);
|
|
this._canvas = params.canvasContext.canvas;
|
|
}
|
|
|
|
get completed() {
|
|
return this.capability.promise.catch(function () {});
|
|
}
|
|
|
|
initializeGraphics({
|
|
transparency = false,
|
|
optionalContentConfig
|
|
}) {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
if (this._canvas) {
|
|
if (InternalRenderTask.canvasInUse.has(this._canvas)) {
|
|
throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
|
|
}
|
|
|
|
InternalRenderTask.canvasInUse.add(this._canvas);
|
|
}
|
|
|
|
if (this._pdfBug && globalThis.StepperManager?.enabled) {
|
|
this.stepper = globalThis.StepperManager.create(this._pageIndex);
|
|
this.stepper.init(this.operatorList);
|
|
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
|
}
|
|
|
|
const {
|
|
canvasContext,
|
|
viewport,
|
|
transform,
|
|
imageLayer,
|
|
background
|
|
} = this.params;
|
|
this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, imageLayer, optionalContentConfig, this.annotationCanvasMap);
|
|
this.gfx.beginDrawing({
|
|
transform,
|
|
viewport,
|
|
transparency,
|
|
background
|
|
});
|
|
this.operatorListIdx = 0;
|
|
this.graphicsReady = true;
|
|
|
|
if (this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback();
|
|
}
|
|
}
|
|
|
|
cancel(error = null) {
|
|
this.running = false;
|
|
this.cancelled = true;
|
|
|
|
if (this.gfx) {
|
|
this.gfx.endDrawing();
|
|
}
|
|
|
|
if (this._canvas) {
|
|
InternalRenderTask.canvasInUse.delete(this._canvas);
|
|
}
|
|
|
|
this.callback(error || new _display_utils.RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, "canvas"));
|
|
}
|
|
|
|
operatorListChanged() {
|
|
if (!this.graphicsReady) {
|
|
if (!this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback = this._continueBound;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (this.stepper) {
|
|
this.stepper.updateOperatorList(this.operatorList);
|
|
}
|
|
|
|
if (this.running) {
|
|
return;
|
|
}
|
|
|
|
this._continue();
|
|
}
|
|
|
|
_continue() {
|
|
this.running = true;
|
|
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
if (this.task.onContinue) {
|
|
this.task.onContinue(this._scheduleNextBound);
|
|
} else {
|
|
this._scheduleNext();
|
|
}
|
|
}
|
|
|
|
_scheduleNext() {
|
|
if (this._useRequestAnimationFrame) {
|
|
window.requestAnimationFrame(() => {
|
|
this._nextBound().catch(this._cancelBound);
|
|
});
|
|
} else {
|
|
Promise.resolve().then(this._nextBound).catch(this._cancelBound);
|
|
}
|
|
}
|
|
|
|
async _next() {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
|
|
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
|
|
|
|
if (this.operatorListIdx === this.operatorList.argsArray.length) {
|
|
this.running = false;
|
|
|
|
if (this.operatorList.lastChunk) {
|
|
this.gfx.endDrawing();
|
|
|
|
if (this._canvas) {
|
|
InternalRenderTask.canvasInUse.delete(this._canvas);
|
|
}
|
|
|
|
this.callback();
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
const version = '2.13.216';
|
|
exports.version = version;
|
|
const build = '399a0ec60';
|
|
exports.build = build;
|
|
|
|
/***/ }),
|
|
/* 5 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.StatTimer = exports.RenderingCancelledException = exports.PixelsPerInch = exports.PageViewport = exports.PDFDateString = exports.DOMStandardFontDataFactory = exports.DOMSVGFactory = exports.DOMCanvasFactory = exports.DOMCMapReaderFactory = void 0;
|
|
exports.deprecated = deprecated;
|
|
exports.getFilenameFromUrl = getFilenameFromUrl;
|
|
exports.getPdfFilenameFromUrl = getPdfFilenameFromUrl;
|
|
exports.getXfaPageViewport = getXfaPageViewport;
|
|
exports.isDataScheme = isDataScheme;
|
|
exports.isPdfFile = isPdfFile;
|
|
exports.isValidFetchUrl = isValidFetchUrl;
|
|
exports.loadScript = loadScript;
|
|
|
|
var _base_factory = __w_pdfjs_require__(6);
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
const SVG_NS = "http://www.w3.org/2000/svg";
|
|
|
|
class PixelsPerInch {
|
|
static CSS = 96.0;
|
|
static PDF = 72.0;
|
|
static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
|
|
}
|
|
|
|
exports.PixelsPerInch = PixelsPerInch;
|
|
|
|
class DOMCanvasFactory extends _base_factory.BaseCanvasFactory {
|
|
constructor({
|
|
ownerDocument = globalThis.document
|
|
} = {}) {
|
|
super();
|
|
this._document = ownerDocument;
|
|
}
|
|
|
|
_createCanvas(width, height) {
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return canvas;
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMCanvasFactory = DOMCanvasFactory;
|
|
|
|
async function fetchData(url, asTypedArray = false) {
|
|
if (isValidFetchUrl(url, document.baseURI)) {
|
|
const response = await fetch(url);
|
|
|
|
if (!response.ok) {
|
|
throw new Error(response.statusText);
|
|
}
|
|
|
|
return asTypedArray ? new Uint8Array(await response.arrayBuffer()) : (0, _util.stringToBytes)(await response.text());
|
|
}
|
|
|
|
return new Promise((resolve, reject) => {
|
|
const request = new XMLHttpRequest();
|
|
request.open("GET", url, true);
|
|
|
|
if (asTypedArray) {
|
|
request.responseType = "arraybuffer";
|
|
}
|
|
|
|
request.onreadystatechange = () => {
|
|
if (request.readyState !== XMLHttpRequest.DONE) {
|
|
return;
|
|
}
|
|
|
|
if (request.status === 200 || request.status === 0) {
|
|
let data;
|
|
|
|
if (asTypedArray && request.response) {
|
|
data = new Uint8Array(request.response);
|
|
} else if (!asTypedArray && request.responseText) {
|
|
data = (0, _util.stringToBytes)(request.responseText);
|
|
}
|
|
|
|
if (data) {
|
|
resolve(data);
|
|
return;
|
|
}
|
|
}
|
|
|
|
reject(new Error(request.statusText));
|
|
};
|
|
|
|
request.send(null);
|
|
});
|
|
}
|
|
|
|
class DOMCMapReaderFactory extends _base_factory.BaseCMapReaderFactory {
|
|
_fetchData(url, compressionType) {
|
|
return fetchData(url, this.isCompressed).then(data => {
|
|
return {
|
|
cMapData: data,
|
|
compressionType
|
|
};
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
|
|
|
|
class DOMStandardFontDataFactory extends _base_factory.BaseStandardFontDataFactory {
|
|
_fetchData(url) {
|
|
return fetchData(url, true);
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMStandardFontDataFactory = DOMStandardFontDataFactory;
|
|
|
|
class DOMSVGFactory extends _base_factory.BaseSVGFactory {
|
|
_createSVG(type) {
|
|
return document.createElementNS(SVG_NS, type);
|
|
}
|
|
|
|
}
|
|
|
|
exports.DOMSVGFactory = DOMSVGFactory;
|
|
|
|
class PageViewport {
|
|
constructor({
|
|
viewBox,
|
|
scale,
|
|
rotation,
|
|
offsetX = 0,
|
|
offsetY = 0,
|
|
dontFlip = false
|
|
}) {
|
|
this.viewBox = viewBox;
|
|
this.scale = scale;
|
|
this.rotation = rotation;
|
|
this.offsetX = offsetX;
|
|
this.offsetY = offsetY;
|
|
const centerX = (viewBox[2] + viewBox[0]) / 2;
|
|
const centerY = (viewBox[3] + viewBox[1]) / 2;
|
|
let rotateA, rotateB, rotateC, rotateD;
|
|
rotation %= 360;
|
|
|
|
if (rotation < 0) {
|
|
rotation += 360;
|
|
}
|
|
|
|
switch (rotation) {
|
|
case 180:
|
|
rotateA = -1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = 1;
|
|
break;
|
|
|
|
case 90:
|
|
rotateA = 0;
|
|
rotateB = 1;
|
|
rotateC = 1;
|
|
rotateD = 0;
|
|
break;
|
|
|
|
case 270:
|
|
rotateA = 0;
|
|
rotateB = -1;
|
|
rotateC = -1;
|
|
rotateD = 0;
|
|
break;
|
|
|
|
case 0:
|
|
rotateA = 1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = -1;
|
|
break;
|
|
|
|
default:
|
|
throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
|
|
}
|
|
|
|
if (dontFlip) {
|
|
rotateC = -rotateC;
|
|
rotateD = -rotateD;
|
|
}
|
|
|
|
let offsetCanvasX, offsetCanvasY;
|
|
let width, height;
|
|
|
|
if (rotateA === 0) {
|
|
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
|
|
width = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
height = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
} else {
|
|
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
|
|
width = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
height = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
}
|
|
|
|
this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
|
|
this.width = width;
|
|
this.height = height;
|
|
}
|
|
|
|
clone({
|
|
scale = this.scale,
|
|
rotation = this.rotation,
|
|
offsetX = this.offsetX,
|
|
offsetY = this.offsetY,
|
|
dontFlip = false
|
|
} = {}) {
|
|
return new PageViewport({
|
|
viewBox: this.viewBox.slice(),
|
|
scale,
|
|
rotation,
|
|
offsetX,
|
|
offsetY,
|
|
dontFlip
|
|
});
|
|
}
|
|
|
|
convertToViewportPoint(x, y) {
|
|
return _util.Util.applyTransform([x, y], this.transform);
|
|
}
|
|
|
|
convertToViewportRectangle(rect) {
|
|
const topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
|
|
|
|
const bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
|
|
|
|
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
|
|
}
|
|
|
|
convertToPdfPoint(x, y) {
|
|
return _util.Util.applyInverseTransform([x, y], this.transform);
|
|
}
|
|
|
|
}
|
|
|
|
exports.PageViewport = PageViewport;
|
|
|
|
class RenderingCancelledException extends _util.BaseException {
|
|
constructor(msg, type) {
|
|
super(msg, "RenderingCancelledException");
|
|
this.type = type;
|
|
}
|
|
|
|
}
|
|
|
|
exports.RenderingCancelledException = RenderingCancelledException;
|
|
|
|
function isDataScheme(url) {
|
|
const ii = url.length;
|
|
let i = 0;
|
|
|
|
while (i < ii && url[i].trim() === "") {
|
|
i++;
|
|
}
|
|
|
|
return url.substring(i, i + 5).toLowerCase() === "data:";
|
|
}
|
|
|
|
function isPdfFile(filename) {
|
|
return typeof filename === "string" && /\.pdf$/i.test(filename);
|
|
}
|
|
|
|
function getFilenameFromUrl(url) {
|
|
const anchor = url.indexOf("#");
|
|
const query = url.indexOf("?");
|
|
const end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
|
|
return url.substring(url.lastIndexOf("/", end) + 1, end);
|
|
}
|
|
|
|
function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
|
|
if (typeof url !== "string") {
|
|
return defaultFilename;
|
|
}
|
|
|
|
if (isDataScheme(url)) {
|
|
(0, _util.warn)('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
|
|
return defaultFilename;
|
|
}
|
|
|
|
const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
|
|
const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
|
|
const splitURI = reURI.exec(url);
|
|
let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
|
|
|
|
if (suggestedFilename) {
|
|
suggestedFilename = suggestedFilename[0];
|
|
|
|
if (suggestedFilename.includes("%")) {
|
|
try {
|
|
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
|
|
} catch (ex) {}
|
|
}
|
|
}
|
|
|
|
return suggestedFilename || defaultFilename;
|
|
}
|
|
|
|
class StatTimer {
|
|
constructor() {
|
|
this.started = Object.create(null);
|
|
this.times = [];
|
|
}
|
|
|
|
time(name) {
|
|
if (name in this.started) {
|
|
(0, _util.warn)(`Timer is already running for ${name}`);
|
|
}
|
|
|
|
this.started[name] = Date.now();
|
|
}
|
|
|
|
timeEnd(name) {
|
|
if (!(name in this.started)) {
|
|
(0, _util.warn)(`Timer has not been started for ${name}`);
|
|
}
|
|
|
|
this.times.push({
|
|
name,
|
|
start: this.started[name],
|
|
end: Date.now()
|
|
});
|
|
delete this.started[name];
|
|
}
|
|
|
|
toString() {
|
|
const outBuf = [];
|
|
let longest = 0;
|
|
|
|
for (const time of this.times) {
|
|
const name = time.name;
|
|
|
|
if (name.length > longest) {
|
|
longest = name.length;
|
|
}
|
|
}
|
|
|
|
for (const time of this.times) {
|
|
const duration = time.end - time.start;
|
|
outBuf.push(`${time.name.padEnd(longest)} ${duration}ms\n`);
|
|
}
|
|
|
|
return outBuf.join("");
|
|
}
|
|
|
|
}
|
|
|
|
exports.StatTimer = StatTimer;
|
|
|
|
function isValidFetchUrl(url, baseUrl) {
|
|
try {
|
|
const {
|
|
protocol
|
|
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
|
|
return protocol === "http:" || protocol === "https:";
|
|
} catch (ex) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function loadScript(src, removeScriptElement = false) {
|
|
return new Promise((resolve, reject) => {
|
|
const script = document.createElement("script");
|
|
script.src = src;
|
|
|
|
script.onload = function (evt) {
|
|
if (removeScriptElement) {
|
|
script.remove();
|
|
}
|
|
|
|
resolve(evt);
|
|
};
|
|
|
|
script.onerror = function () {
|
|
reject(new Error(`Cannot load script at: ${script.src}`));
|
|
};
|
|
|
|
(document.head || document.documentElement).appendChild(script);
|
|
});
|
|
}
|
|
|
|
function deprecated(details) {
|
|
console.log("Deprecated API usage: " + details);
|
|
}
|
|
|
|
let pdfDateStringRegex;
|
|
|
|
class PDFDateString {
|
|
static toDateObject(input) {
|
|
if (!input || typeof input !== "string") {
|
|
return null;
|
|
}
|
|
|
|
if (!pdfDateStringRegex) {
|
|
pdfDateStringRegex = new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
|
|
}
|
|
|
|
const matches = pdfDateStringRegex.exec(input);
|
|
|
|
if (!matches) {
|
|
return null;
|
|
}
|
|
|
|
const year = parseInt(matches[1], 10);
|
|
let month = parseInt(matches[2], 10);
|
|
month = month >= 1 && month <= 12 ? month - 1 : 0;
|
|
let day = parseInt(matches[3], 10);
|
|
day = day >= 1 && day <= 31 ? day : 1;
|
|
let hour = parseInt(matches[4], 10);
|
|
hour = hour >= 0 && hour <= 23 ? hour : 0;
|
|
let minute = parseInt(matches[5], 10);
|
|
minute = minute >= 0 && minute <= 59 ? minute : 0;
|
|
let second = parseInt(matches[6], 10);
|
|
second = second >= 0 && second <= 59 ? second : 0;
|
|
const universalTimeRelation = matches[7] || "Z";
|
|
let offsetHour = parseInt(matches[8], 10);
|
|
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
|
|
let offsetMinute = parseInt(matches[9], 10) || 0;
|
|
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
|
|
|
|
if (universalTimeRelation === "-") {
|
|
hour += offsetHour;
|
|
minute += offsetMinute;
|
|
} else if (universalTimeRelation === "+") {
|
|
hour -= offsetHour;
|
|
minute -= offsetMinute;
|
|
}
|
|
|
|
return new Date(Date.UTC(year, month, day, hour, minute, second));
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDateString = PDFDateString;
|
|
|
|
function getXfaPageViewport(xfaPage, {
|
|
scale = 1,
|
|
rotation = 0
|
|
}) {
|
|
const {
|
|
width,
|
|
height
|
|
} = xfaPage.attributes.style;
|
|
const viewBox = [0, 0, parseInt(width), parseInt(height)];
|
|
return new PageViewport({
|
|
viewBox,
|
|
scale,
|
|
rotation
|
|
});
|
|
}
|
|
|
|
/***/ }),
|
|
/* 6 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.BaseStandardFontDataFactory = exports.BaseSVGFactory = exports.BaseCanvasFactory = exports.BaseCMapReaderFactory = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class BaseCanvasFactory {
|
|
constructor() {
|
|
if (this.constructor === BaseCanvasFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseCanvasFactory.");
|
|
}
|
|
}
|
|
|
|
create(width, height) {
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid canvas size");
|
|
}
|
|
|
|
const canvas = this._createCanvas(width, height);
|
|
|
|
return {
|
|
canvas,
|
|
context: canvas.getContext("2d")
|
|
};
|
|
}
|
|
|
|
reset(canvasAndContext, width, height) {
|
|
if (!canvasAndContext.canvas) {
|
|
throw new Error("Canvas is not specified");
|
|
}
|
|
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid canvas size");
|
|
}
|
|
|
|
canvasAndContext.canvas.width = width;
|
|
canvasAndContext.canvas.height = height;
|
|
}
|
|
|
|
destroy(canvasAndContext) {
|
|
if (!canvasAndContext.canvas) {
|
|
throw new Error("Canvas is not specified");
|
|
}
|
|
|
|
canvasAndContext.canvas.width = 0;
|
|
canvasAndContext.canvas.height = 0;
|
|
canvasAndContext.canvas = null;
|
|
canvasAndContext.context = null;
|
|
}
|
|
|
|
_createCanvas(width, height) {
|
|
(0, _util.unreachable)("Abstract method `_createCanvas` called.");
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseCanvasFactory = BaseCanvasFactory;
|
|
|
|
class BaseCMapReaderFactory {
|
|
constructor({
|
|
baseUrl = null,
|
|
isCompressed = false
|
|
}) {
|
|
if (this.constructor === BaseCMapReaderFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseCMapReaderFactory.");
|
|
}
|
|
|
|
this.baseUrl = baseUrl;
|
|
this.isCompressed = isCompressed;
|
|
}
|
|
|
|
async fetch({
|
|
name
|
|
}) {
|
|
if (!this.baseUrl) {
|
|
throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
|
|
}
|
|
|
|
if (!name) {
|
|
throw new Error("CMap name must be specified.");
|
|
}
|
|
|
|
const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
|
|
const compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
|
|
return this._fetchData(url, compressionType).catch(reason => {
|
|
throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
|
|
});
|
|
}
|
|
|
|
_fetchData(url, compressionType) {
|
|
(0, _util.unreachable)("Abstract method `_fetchData` called.");
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseCMapReaderFactory = BaseCMapReaderFactory;
|
|
|
|
class BaseStandardFontDataFactory {
|
|
constructor({
|
|
baseUrl = null
|
|
}) {
|
|
if (this.constructor === BaseStandardFontDataFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseStandardFontDataFactory.");
|
|
}
|
|
|
|
this.baseUrl = baseUrl;
|
|
}
|
|
|
|
async fetch({
|
|
filename
|
|
}) {
|
|
if (!this.baseUrl) {
|
|
throw new Error('The standard font "baseUrl" parameter must be specified, ensure that ' + 'the "standardFontDataUrl" API parameter is provided.');
|
|
}
|
|
|
|
if (!filename) {
|
|
throw new Error("Font filename must be specified.");
|
|
}
|
|
|
|
const url = `${this.baseUrl}${filename}`;
|
|
return this._fetchData(url).catch(reason => {
|
|
throw new Error(`Unable to load font data at: ${url}`);
|
|
});
|
|
}
|
|
|
|
_fetchData(url) {
|
|
(0, _util.unreachable)("Abstract method `_fetchData` called.");
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseStandardFontDataFactory = BaseStandardFontDataFactory;
|
|
|
|
class BaseSVGFactory {
|
|
constructor() {
|
|
if (this.constructor === BaseSVGFactory) {
|
|
(0, _util.unreachable)("Cannot initialize BaseSVGFactory.");
|
|
}
|
|
}
|
|
|
|
create(width, height) {
|
|
if (width <= 0 || height <= 0) {
|
|
throw new Error("Invalid SVG dimensions");
|
|
}
|
|
|
|
const svg = this._createSVG("svg:svg");
|
|
|
|
svg.setAttribute("version", "1.1");
|
|
svg.setAttribute("width", `${width}px`);
|
|
svg.setAttribute("height", `${height}px`);
|
|
svg.setAttribute("preserveAspectRatio", "none");
|
|
svg.setAttribute("viewBox", `0 0 ${width} ${height}`);
|
|
return svg;
|
|
}
|
|
|
|
createElement(type) {
|
|
if (typeof type !== "string") {
|
|
throw new Error("Invalid SVG element type");
|
|
}
|
|
|
|
return this._createSVG(type);
|
|
}
|
|
|
|
_createSVG(type) {
|
|
(0, _util.unreachable)("Abstract method `_createSVG` called.");
|
|
}
|
|
|
|
}
|
|
|
|
exports.BaseSVGFactory = BaseSVGFactory;
|
|
|
|
/***/ }),
|
|
/* 7 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.FontLoader = exports.FontFaceObject = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class BaseFontLoader {
|
|
constructor({
|
|
docId,
|
|
onUnsupportedFeature,
|
|
ownerDocument = globalThis.document,
|
|
styleElement = null
|
|
}) {
|
|
if (this.constructor === BaseFontLoader) {
|
|
(0, _util.unreachable)("Cannot initialize BaseFontLoader.");
|
|
}
|
|
|
|
this.docId = docId;
|
|
this._onUnsupportedFeature = onUnsupportedFeature;
|
|
this._document = ownerDocument;
|
|
this.nativeFontFaces = [];
|
|
this.styleElement = null;
|
|
}
|
|
|
|
addNativeFontFace(nativeFontFace) {
|
|
this.nativeFontFaces.push(nativeFontFace);
|
|
|
|
this._document.fonts.add(nativeFontFace);
|
|
}
|
|
|
|
insertRule(rule) {
|
|
let styleElement = this.styleElement;
|
|
|
|
if (!styleElement) {
|
|
styleElement = this.styleElement = this._document.createElement("style");
|
|
styleElement.id = `PDFJS_FONT_STYLE_TAG_${this.docId}`;
|
|
|
|
this._document.documentElement.getElementsByTagName("head")[0].appendChild(styleElement);
|
|
}
|
|
|
|
const styleSheet = styleElement.sheet;
|
|
styleSheet.insertRule(rule, styleSheet.cssRules.length);
|
|
}
|
|
|
|
clear() {
|
|
for (const nativeFontFace of this.nativeFontFaces) {
|
|
this._document.fonts.delete(nativeFontFace);
|
|
}
|
|
|
|
this.nativeFontFaces.length = 0;
|
|
|
|
if (this.styleElement) {
|
|
this.styleElement.remove();
|
|
this.styleElement = null;
|
|
}
|
|
}
|
|
|
|
async bind(font) {
|
|
if (font.attached || font.missingFile) {
|
|
return;
|
|
}
|
|
|
|
font.attached = true;
|
|
|
|
if (this.isFontLoadingAPISupported) {
|
|
const nativeFontFace = font.createNativeFontFace();
|
|
|
|
if (nativeFontFace) {
|
|
this.addNativeFontFace(nativeFontFace);
|
|
|
|
try {
|
|
await nativeFontFace.loaded;
|
|
} catch (ex) {
|
|
this._onUnsupportedFeature({
|
|
featureId: _util.UNSUPPORTED_FEATURES.errorFontLoadNative
|
|
});
|
|
|
|
(0, _util.warn)(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
|
|
font.disableFontFace = true;
|
|
throw ex;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const rule = font.createFontFaceRule();
|
|
|
|
if (rule) {
|
|
this.insertRule(rule);
|
|
|
|
if (this.isSyncFontLoadingSupported) {
|
|
return;
|
|
}
|
|
|
|
await new Promise(resolve => {
|
|
const request = this._queueLoadingCallback(resolve);
|
|
|
|
this._prepareFontLoadEvent([rule], [font], request);
|
|
});
|
|
}
|
|
}
|
|
|
|
_queueLoadingCallback(callback) {
|
|
(0, _util.unreachable)("Abstract method `_queueLoadingCallback`.");
|
|
}
|
|
|
|
get isFontLoadingAPISupported() {
|
|
const hasFonts = !!this._document?.fonts;
|
|
return (0, _util.shadow)(this, "isFontLoadingAPISupported", hasFonts);
|
|
}
|
|
|
|
get isSyncFontLoadingSupported() {
|
|
(0, _util.unreachable)("Abstract method `isSyncFontLoadingSupported`.");
|
|
}
|
|
|
|
get _loadTestFont() {
|
|
(0, _util.unreachable)("Abstract method `_loadTestFont`.");
|
|
}
|
|
|
|
_prepareFontLoadEvent(rules, fontsToLoad, request) {
|
|
(0, _util.unreachable)("Abstract method `_prepareFontLoadEvent`.");
|
|
}
|
|
|
|
}
|
|
|
|
let FontLoader;
|
|
exports.FontLoader = FontLoader;
|
|
{
|
|
exports.FontLoader = FontLoader = class GenericFontLoader extends BaseFontLoader {
|
|
constructor(params) {
|
|
super(params);
|
|
this.loadingContext = {
|
|
requests: [],
|
|
nextRequestId: 0
|
|
};
|
|
this.loadTestFontId = 0;
|
|
}
|
|
|
|
get isSyncFontLoadingSupported() {
|
|
let supported = false;
|
|
|
|
if (typeof navigator === "undefined") {
|
|
supported = true;
|
|
} else {
|
|
const m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
|
|
|
|
if (m?.[1] >= 14) {
|
|
supported = true;
|
|
}
|
|
}
|
|
|
|
return (0, _util.shadow)(this, "isSyncFontLoadingSupported", supported);
|
|
}
|
|
|
|
_queueLoadingCallback(callback) {
|
|
function completeRequest() {
|
|
(0, _util.assert)(!request.done, "completeRequest() cannot be called twice.");
|
|
request.done = true;
|
|
|
|
while (context.requests.length > 0 && context.requests[0].done) {
|
|
const otherRequest = context.requests.shift();
|
|
setTimeout(otherRequest.callback, 0);
|
|
}
|
|
}
|
|
|
|
const context = this.loadingContext;
|
|
const request = {
|
|
id: `pdfjs-font-loading-${context.nextRequestId++}`,
|
|
done: false,
|
|
complete: completeRequest,
|
|
callback
|
|
};
|
|
context.requests.push(request);
|
|
return request;
|
|
}
|
|
|
|
get _loadTestFont() {
|
|
const getLoadTestFont = function () {
|
|
return atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
|
|
};
|
|
|
|
return (0, _util.shadow)(this, "_loadTestFont", getLoadTestFont());
|
|
}
|
|
|
|
_prepareFontLoadEvent(rules, fonts, request) {
|
|
function int32(data, offset) {
|
|
return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
|
|
}
|
|
|
|
function spliceString(s, offset, remove, insert) {
|
|
const chunk1 = s.substring(0, offset);
|
|
const chunk2 = s.substring(offset + remove);
|
|
return chunk1 + insert + chunk2;
|
|
}
|
|
|
|
let i, ii;
|
|
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
canvas.width = 1;
|
|
canvas.height = 1;
|
|
const ctx = canvas.getContext("2d");
|
|
let called = 0;
|
|
|
|
function isFontReady(name, callback) {
|
|
called++;
|
|
|
|
if (called > 30) {
|
|
(0, _util.warn)("Load test font never loaded.");
|
|
callback();
|
|
return;
|
|
}
|
|
|
|
ctx.font = "30px " + name;
|
|
ctx.fillText(".", 0, 20);
|
|
const imageData = ctx.getImageData(0, 0, 1, 1);
|
|
|
|
if (imageData.data[3] > 0) {
|
|
callback();
|
|
return;
|
|
}
|
|
|
|
setTimeout(isFontReady.bind(null, name, callback));
|
|
}
|
|
|
|
const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
|
|
let data = this._loadTestFont;
|
|
const COMMENT_OFFSET = 976;
|
|
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
|
|
const CFF_CHECKSUM_OFFSET = 16;
|
|
const XXXX_VALUE = 0x58585858;
|
|
let checksum = int32(data, CFF_CHECKSUM_OFFSET);
|
|
|
|
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
|
|
}
|
|
|
|
if (i < loadTestFontId.length) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
|
|
}
|
|
|
|
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
|
|
const url = `url(data:font/opentype;base64,${btoa(data)});`;
|
|
const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
|
|
this.insertRule(rule);
|
|
const names = [];
|
|
|
|
for (const font of fonts) {
|
|
names.push(font.loadedName);
|
|
}
|
|
|
|
names.push(loadTestFontId);
|
|
|
|
const div = this._document.createElement("div");
|
|
|
|
div.style.visibility = "hidden";
|
|
div.style.width = div.style.height = "10px";
|
|
div.style.position = "absolute";
|
|
div.style.top = div.style.left = "0px";
|
|
|
|
for (const name of names) {
|
|
const span = this._document.createElement("span");
|
|
|
|
span.textContent = "Hi";
|
|
span.style.fontFamily = name;
|
|
div.appendChild(span);
|
|
}
|
|
|
|
this._document.body.appendChild(div);
|
|
|
|
isFontReady(loadTestFontId, () => {
|
|
div.remove();
|
|
request.complete();
|
|
});
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
class FontFaceObject {
|
|
constructor(translatedData, {
|
|
isEvalSupported = true,
|
|
disableFontFace = false,
|
|
ignoreErrors = false,
|
|
onUnsupportedFeature,
|
|
fontRegistry = null
|
|
}) {
|
|
this.compiledGlyphs = Object.create(null);
|
|
|
|
for (const i in translatedData) {
|
|
this[i] = translatedData[i];
|
|
}
|
|
|
|
this.isEvalSupported = isEvalSupported !== false;
|
|
this.disableFontFace = disableFontFace === true;
|
|
this.ignoreErrors = ignoreErrors === true;
|
|
this._onUnsupportedFeature = onUnsupportedFeature;
|
|
this.fontRegistry = fontRegistry;
|
|
}
|
|
|
|
createNativeFontFace() {
|
|
if (!this.data || this.disableFontFace) {
|
|
return null;
|
|
}
|
|
|
|
let nativeFontFace;
|
|
|
|
if (!this.cssFontInfo) {
|
|
nativeFontFace = new FontFace(this.loadedName, this.data, {});
|
|
} else {
|
|
const css = {
|
|
weight: this.cssFontInfo.fontWeight
|
|
};
|
|
|
|
if (this.cssFontInfo.italicAngle) {
|
|
css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
|
|
}
|
|
|
|
nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
|
|
}
|
|
|
|
if (this.fontRegistry) {
|
|
this.fontRegistry.registerFont(this);
|
|
}
|
|
|
|
return nativeFontFace;
|
|
}
|
|
|
|
createFontFaceRule() {
|
|
if (!this.data || this.disableFontFace) {
|
|
return null;
|
|
}
|
|
|
|
const data = (0, _util.bytesToString)(this.data);
|
|
const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
|
|
let rule;
|
|
|
|
if (!this.cssFontInfo) {
|
|
rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
|
|
} else {
|
|
let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
|
|
|
|
if (this.cssFontInfo.italicAngle) {
|
|
css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
|
|
}
|
|
|
|
rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
|
|
}
|
|
|
|
if (this.fontRegistry) {
|
|
this.fontRegistry.registerFont(this, url);
|
|
}
|
|
|
|
return rule;
|
|
}
|
|
|
|
getPathGenerator(objs, character) {
|
|
if (this.compiledGlyphs[character] !== undefined) {
|
|
return this.compiledGlyphs[character];
|
|
}
|
|
|
|
let cmds;
|
|
|
|
try {
|
|
cmds = objs.get(this.loadedName + "_path_" + character);
|
|
} catch (ex) {
|
|
if (!this.ignoreErrors) {
|
|
throw ex;
|
|
}
|
|
|
|
this._onUnsupportedFeature({
|
|
featureId: _util.UNSUPPORTED_FEATURES.errorFontGetPath
|
|
});
|
|
|
|
(0, _util.warn)(`getPathGenerator - ignoring character: "${ex}".`);
|
|
return this.compiledGlyphs[character] = function (c, size) {};
|
|
}
|
|
|
|
if (this.isEvalSupported && _util.IsEvalSupportedCached.value) {
|
|
const jsBuf = [];
|
|
|
|
for (const current of cmds) {
|
|
const args = current.args !== undefined ? current.args.join(",") : "";
|
|
jsBuf.push("c.", current.cmd, "(", args, ");\n");
|
|
}
|
|
|
|
return this.compiledGlyphs[character] = new Function("c", "size", jsBuf.join(""));
|
|
}
|
|
|
|
return this.compiledGlyphs[character] = function (c, size) {
|
|
for (const current of cmds) {
|
|
if (current.cmd === "scale") {
|
|
current.args = [size, -size];
|
|
}
|
|
|
|
c[current.cmd].apply(c, current.args);
|
|
}
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
exports.FontFaceObject = FontFaceObject;
|
|
|
|
/***/ }),
|
|
/* 8 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.NodeStandardFontDataFactory = exports.NodeCanvasFactory = exports.NodeCMapReaderFactory = void 0;
|
|
|
|
var _base_factory = __w_pdfjs_require__(6);
|
|
|
|
var _is_node = __w_pdfjs_require__(3);
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
let NodeCanvasFactory = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: NodeCanvasFactory");
|
|
}
|
|
|
|
};
|
|
exports.NodeCanvasFactory = NodeCanvasFactory;
|
|
let NodeCMapReaderFactory = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: NodeCMapReaderFactory");
|
|
}
|
|
|
|
};
|
|
exports.NodeCMapReaderFactory = NodeCMapReaderFactory;
|
|
let NodeStandardFontDataFactory = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: NodeStandardFontDataFactory");
|
|
}
|
|
|
|
};
|
|
exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory;
|
|
|
|
if (_is_node.isNodeJS) {
|
|
const fetchData = function (url) {
|
|
return new Promise((resolve, reject) => {
|
|
const fs = require("fs");
|
|
|
|
fs.readFile(url, (error, data) => {
|
|
if (error || !data) {
|
|
reject(new Error(error));
|
|
return;
|
|
}
|
|
|
|
resolve(new Uint8Array(data));
|
|
});
|
|
});
|
|
};
|
|
|
|
exports.NodeCanvasFactory = NodeCanvasFactory = class extends _base_factory.BaseCanvasFactory {
|
|
_createCanvas(width, height) {
|
|
const Canvas = require("canvas");
|
|
|
|
return Canvas.createCanvas(width, height);
|
|
}
|
|
|
|
};
|
|
exports.NodeCMapReaderFactory = NodeCMapReaderFactory = class extends _base_factory.BaseCMapReaderFactory {
|
|
_fetchData(url, compressionType) {
|
|
return fetchData(url).then(data => {
|
|
return {
|
|
cMapData: data,
|
|
compressionType
|
|
};
|
|
});
|
|
}
|
|
|
|
};
|
|
exports.NodeStandardFontDataFactory = NodeStandardFontDataFactory = class extends _base_factory.BaseStandardFontDataFactory {
|
|
_fetchData(url) {
|
|
return fetchData(url);
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
/***/ }),
|
|
/* 9 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.AnnotationStorage = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class AnnotationStorage {
|
|
constructor() {
|
|
this._storage = new Map();
|
|
this._timeStamp = Date.now();
|
|
this._modified = false;
|
|
this.onSetModified = null;
|
|
this.onResetModified = null;
|
|
}
|
|
|
|
getValue(key, defaultValue) {
|
|
const value = this._storage.get(key);
|
|
|
|
if (value === undefined) {
|
|
return defaultValue;
|
|
}
|
|
|
|
return Object.assign(defaultValue, value);
|
|
}
|
|
|
|
setValue(key, value) {
|
|
const obj = this._storage.get(key);
|
|
|
|
let modified = false;
|
|
|
|
if (obj !== undefined) {
|
|
for (const [entry, val] of Object.entries(value)) {
|
|
if (obj[entry] !== val) {
|
|
modified = true;
|
|
obj[entry] = val;
|
|
}
|
|
}
|
|
} else {
|
|
modified = true;
|
|
|
|
this._storage.set(key, value);
|
|
}
|
|
|
|
if (modified) {
|
|
this._timeStamp = Date.now();
|
|
|
|
this._setModified();
|
|
}
|
|
}
|
|
|
|
getAll() {
|
|
return this._storage.size > 0 ? (0, _util.objectFromMap)(this._storage) : null;
|
|
}
|
|
|
|
get size() {
|
|
return this._storage.size;
|
|
}
|
|
|
|
_setModified() {
|
|
if (!this._modified) {
|
|
this._modified = true;
|
|
|
|
if (typeof this.onSetModified === "function") {
|
|
this.onSetModified();
|
|
}
|
|
}
|
|
}
|
|
|
|
resetModified() {
|
|
if (this._modified) {
|
|
this._modified = false;
|
|
|
|
if (typeof this.onResetModified === "function") {
|
|
this.onResetModified();
|
|
}
|
|
}
|
|
}
|
|
|
|
get serializable() {
|
|
return this._storage.size > 0 ? this._storage : null;
|
|
}
|
|
|
|
get lastModified() {
|
|
return this._timeStamp.toString();
|
|
}
|
|
|
|
}
|
|
|
|
exports.AnnotationStorage = AnnotationStorage;
|
|
|
|
/***/ }),
|
|
/* 10 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.CanvasGraphics = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _pattern_helper = __w_pdfjs_require__(11);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
const MIN_FONT_SIZE = 16;
|
|
const MAX_FONT_SIZE = 100;
|
|
const MAX_GROUP_SIZE = 4096;
|
|
const EXECUTION_TIME = 15;
|
|
const EXECUTION_STEPS = 10;
|
|
const COMPILE_TYPE3_GLYPHS = true;
|
|
const MAX_SIZE_TO_COMPILE = 1000;
|
|
const FULL_CHUNK_HEIGHT = 16;
|
|
const LINEWIDTH_SCALE_FACTOR = 1.000001;
|
|
|
|
function mirrorContextOperations(ctx, destCtx) {
|
|
if (ctx._removeMirroring) {
|
|
throw new Error("Context is already forwarding operations.");
|
|
}
|
|
|
|
ctx.__originalSave = ctx.save;
|
|
ctx.__originalRestore = ctx.restore;
|
|
ctx.__originalRotate = ctx.rotate;
|
|
ctx.__originalScale = ctx.scale;
|
|
ctx.__originalTranslate = ctx.translate;
|
|
ctx.__originalTransform = ctx.transform;
|
|
ctx.__originalSetTransform = ctx.setTransform;
|
|
ctx.__originalResetTransform = ctx.resetTransform;
|
|
ctx.__originalClip = ctx.clip;
|
|
ctx.__originalMoveTo = ctx.moveTo;
|
|
ctx.__originalLineTo = ctx.lineTo;
|
|
ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
|
|
ctx.__originalRect = ctx.rect;
|
|
ctx.__originalClosePath = ctx.closePath;
|
|
ctx.__originalBeginPath = ctx.beginPath;
|
|
|
|
ctx._removeMirroring = () => {
|
|
ctx.save = ctx.__originalSave;
|
|
ctx.restore = ctx.__originalRestore;
|
|
ctx.rotate = ctx.__originalRotate;
|
|
ctx.scale = ctx.__originalScale;
|
|
ctx.translate = ctx.__originalTranslate;
|
|
ctx.transform = ctx.__originalTransform;
|
|
ctx.setTransform = ctx.__originalSetTransform;
|
|
ctx.resetTransform = ctx.__originalResetTransform;
|
|
ctx.clip = ctx.__originalClip;
|
|
ctx.moveTo = ctx.__originalMoveTo;
|
|
ctx.lineTo = ctx.__originalLineTo;
|
|
ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
|
|
ctx.rect = ctx.__originalRect;
|
|
ctx.closePath = ctx.__originalClosePath;
|
|
ctx.beginPath = ctx.__originalBeginPath;
|
|
delete ctx._removeMirroring;
|
|
};
|
|
|
|
ctx.save = function ctxSave() {
|
|
destCtx.save();
|
|
|
|
this.__originalSave();
|
|
};
|
|
|
|
ctx.restore = function ctxRestore() {
|
|
destCtx.restore();
|
|
|
|
this.__originalRestore();
|
|
};
|
|
|
|
ctx.translate = function ctxTranslate(x, y) {
|
|
destCtx.translate(x, y);
|
|
|
|
this.__originalTranslate(x, y);
|
|
};
|
|
|
|
ctx.scale = function ctxScale(x, y) {
|
|
destCtx.scale(x, y);
|
|
|
|
this.__originalScale(x, y);
|
|
};
|
|
|
|
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
|
|
destCtx.transform(a, b, c, d, e, f);
|
|
|
|
this.__originalTransform(a, b, c, d, e, f);
|
|
};
|
|
|
|
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
|
|
destCtx.setTransform(a, b, c, d, e, f);
|
|
|
|
this.__originalSetTransform(a, b, c, d, e, f);
|
|
};
|
|
|
|
ctx.resetTransform = function ctxResetTransform() {
|
|
destCtx.resetTransform();
|
|
|
|
this.__originalResetTransform();
|
|
};
|
|
|
|
ctx.rotate = function ctxRotate(angle) {
|
|
destCtx.rotate(angle);
|
|
|
|
this.__originalRotate(angle);
|
|
};
|
|
|
|
ctx.clip = function ctxRotate(rule) {
|
|
destCtx.clip(rule);
|
|
|
|
this.__originalClip(rule);
|
|
};
|
|
|
|
ctx.moveTo = function (x, y) {
|
|
destCtx.moveTo(x, y);
|
|
|
|
this.__originalMoveTo(x, y);
|
|
};
|
|
|
|
ctx.lineTo = function (x, y) {
|
|
destCtx.lineTo(x, y);
|
|
|
|
this.__originalLineTo(x, y);
|
|
};
|
|
|
|
ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
|
|
destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
|
|
|
|
this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
|
|
};
|
|
|
|
ctx.rect = function (x, y, width, height) {
|
|
destCtx.rect(x, y, width, height);
|
|
|
|
this.__originalRect(x, y, width, height);
|
|
};
|
|
|
|
ctx.closePath = function () {
|
|
destCtx.closePath();
|
|
|
|
this.__originalClosePath();
|
|
};
|
|
|
|
ctx.beginPath = function () {
|
|
destCtx.beginPath();
|
|
|
|
this.__originalBeginPath();
|
|
};
|
|
}
|
|
|
|
function addContextCurrentTransform(ctx) {
|
|
if (ctx._transformStack) {
|
|
ctx._transformStack = [];
|
|
}
|
|
|
|
if (ctx.mozCurrentTransform) {
|
|
return;
|
|
}
|
|
|
|
ctx._originalSave = ctx.save;
|
|
ctx._originalRestore = ctx.restore;
|
|
ctx._originalRotate = ctx.rotate;
|
|
ctx._originalScale = ctx.scale;
|
|
ctx._originalTranslate = ctx.translate;
|
|
ctx._originalTransform = ctx.transform;
|
|
ctx._originalSetTransform = ctx.setTransform;
|
|
ctx._originalResetTransform = ctx.resetTransform;
|
|
ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
|
|
ctx._transformStack = [];
|
|
|
|
try {
|
|
const desc = Object.getOwnPropertyDescriptor(Object.getPrototypeOf(ctx), "lineWidth");
|
|
ctx._setLineWidth = desc.set;
|
|
ctx._getLineWidth = desc.get;
|
|
Object.defineProperty(ctx, "lineWidth", {
|
|
set: function setLineWidth(width) {
|
|
this._setLineWidth(width * LINEWIDTH_SCALE_FACTOR);
|
|
},
|
|
get: function getLineWidth() {
|
|
return this._getLineWidth();
|
|
}
|
|
});
|
|
} catch (_) {}
|
|
|
|
Object.defineProperty(ctx, "mozCurrentTransform", {
|
|
get: function getCurrentTransform() {
|
|
return this._transformMatrix;
|
|
}
|
|
});
|
|
Object.defineProperty(ctx, "mozCurrentTransformInverse", {
|
|
get: function getCurrentTransformInverse() {
|
|
const [a, b, c, d, e, f] = this._transformMatrix;
|
|
const ad_bc = a * d - b * c;
|
|
const bc_ad = b * c - a * d;
|
|
return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
|
|
}
|
|
});
|
|
|
|
ctx.save = function ctxSave() {
|
|
const old = this._transformMatrix;
|
|
|
|
this._transformStack.push(old);
|
|
|
|
this._transformMatrix = old.slice(0, 6);
|
|
|
|
this._originalSave();
|
|
};
|
|
|
|
ctx.restore = function ctxRestore() {
|
|
if (this._transformStack.length === 0) {
|
|
(0, _util.warn)("Tried to restore a ctx when the stack was already empty.");
|
|
}
|
|
|
|
const prev = this._transformStack.pop();
|
|
|
|
if (prev) {
|
|
this._transformMatrix = prev;
|
|
|
|
this._originalRestore();
|
|
}
|
|
};
|
|
|
|
ctx.translate = function ctxTranslate(x, y) {
|
|
const m = this._transformMatrix;
|
|
m[4] = m[0] * x + m[2] * y + m[4];
|
|
m[5] = m[1] * x + m[3] * y + m[5];
|
|
|
|
this._originalTranslate(x, y);
|
|
};
|
|
|
|
ctx.scale = function ctxScale(x, y) {
|
|
const m = this._transformMatrix;
|
|
m[0] *= x;
|
|
m[1] *= x;
|
|
m[2] *= y;
|
|
m[3] *= y;
|
|
|
|
this._originalScale(x, y);
|
|
};
|
|
|
|
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
|
|
const m = this._transformMatrix;
|
|
this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
|
|
|
|
ctx._originalTransform(a, b, c, d, e, f);
|
|
};
|
|
|
|
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
|
|
this._transformMatrix = [a, b, c, d, e, f];
|
|
|
|
ctx._originalSetTransform(a, b, c, d, e, f);
|
|
};
|
|
|
|
ctx.resetTransform = function ctxResetTransform() {
|
|
this._transformMatrix = [1, 0, 0, 1, 0, 0];
|
|
|
|
ctx._originalResetTransform();
|
|
};
|
|
|
|
ctx.rotate = function ctxRotate(angle) {
|
|
const cosValue = Math.cos(angle);
|
|
const sinValue = Math.sin(angle);
|
|
const m = this._transformMatrix;
|
|
this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
|
|
|
|
this._originalRotate(angle);
|
|
};
|
|
}
|
|
|
|
class CachedCanvases {
|
|
constructor(canvasFactory) {
|
|
this.canvasFactory = canvasFactory;
|
|
this.cache = Object.create(null);
|
|
}
|
|
|
|
getCanvas(id, width, height, trackTransform) {
|
|
let canvasEntry;
|
|
|
|
if (this.cache[id] !== undefined) {
|
|
canvasEntry = this.cache[id];
|
|
this.canvasFactory.reset(canvasEntry, width, height);
|
|
canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
|
|
} else {
|
|
canvasEntry = this.canvasFactory.create(width, height);
|
|
this.cache[id] = canvasEntry;
|
|
}
|
|
|
|
if (trackTransform) {
|
|
addContextCurrentTransform(canvasEntry.context);
|
|
}
|
|
|
|
return canvasEntry;
|
|
}
|
|
|
|
clear() {
|
|
for (const id in this.cache) {
|
|
const canvasEntry = this.cache[id];
|
|
this.canvasFactory.destroy(canvasEntry);
|
|
delete this.cache[id];
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function compileType3Glyph(imgData) {
|
|
const POINT_TO_PROCESS_LIMIT = 1000;
|
|
const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
|
|
const width = imgData.width,
|
|
height = imgData.height,
|
|
width1 = width + 1;
|
|
let i, ii, j, j0;
|
|
const points = new Uint8Array(width1 * (height + 1));
|
|
const lineSize = width + 7 & ~7,
|
|
data0 = imgData.data;
|
|
const data = new Uint8Array(lineSize * height);
|
|
let pos = 0;
|
|
|
|
for (i = 0, ii = data0.length; i < ii; i++) {
|
|
const elem = data0[i];
|
|
let mask = 128;
|
|
|
|
while (mask > 0) {
|
|
data[pos++] = elem & mask ? 0 : 255;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
|
|
let count = 0;
|
|
pos = 0;
|
|
|
|
if (data[pos] !== 0) {
|
|
points[0] = 1;
|
|
++count;
|
|
}
|
|
|
|
for (j = 1; j < width; j++) {
|
|
if (data[pos] !== data[pos + 1]) {
|
|
points[j] = data[pos] ? 2 : 1;
|
|
++count;
|
|
}
|
|
|
|
pos++;
|
|
}
|
|
|
|
if (data[pos] !== 0) {
|
|
points[j] = 2;
|
|
++count;
|
|
}
|
|
|
|
for (i = 1; i < height; i++) {
|
|
pos = i * lineSize;
|
|
j0 = i * width1;
|
|
|
|
if (data[pos - lineSize] !== data[pos]) {
|
|
points[j0] = data[pos] ? 1 : 8;
|
|
++count;
|
|
}
|
|
|
|
let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
|
|
|
|
for (j = 1; j < width; j++) {
|
|
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
|
|
|
|
if (POINT_TYPES[sum]) {
|
|
points[j0 + j] = POINT_TYPES[sum];
|
|
++count;
|
|
}
|
|
|
|
pos++;
|
|
}
|
|
|
|
if (data[pos - lineSize] !== data[pos]) {
|
|
points[j0 + j] = data[pos] ? 2 : 4;
|
|
++count;
|
|
}
|
|
|
|
if (count > POINT_TO_PROCESS_LIMIT) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
pos = lineSize * (height - 1);
|
|
j0 = i * width1;
|
|
|
|
if (data[pos] !== 0) {
|
|
points[j0] = 8;
|
|
++count;
|
|
}
|
|
|
|
for (j = 1; j < width; j++) {
|
|
if (data[pos] !== data[pos + 1]) {
|
|
points[j0 + j] = data[pos] ? 4 : 8;
|
|
++count;
|
|
}
|
|
|
|
pos++;
|
|
}
|
|
|
|
if (data[pos] !== 0) {
|
|
points[j0 + j] = 4;
|
|
++count;
|
|
}
|
|
|
|
if (count > POINT_TO_PROCESS_LIMIT) {
|
|
return null;
|
|
}
|
|
|
|
const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
|
|
const outlines = [];
|
|
|
|
for (i = 0; count && i <= height; i++) {
|
|
let p = i * width1;
|
|
const end = p + width;
|
|
|
|
while (p < end && !points[p]) {
|
|
p++;
|
|
}
|
|
|
|
if (p === end) {
|
|
continue;
|
|
}
|
|
|
|
const coords = [p % width1, i];
|
|
const p0 = p;
|
|
let type = points[p];
|
|
|
|
do {
|
|
const step = steps[type];
|
|
|
|
do {
|
|
p += step;
|
|
} while (!points[p]);
|
|
|
|
const pp = points[p];
|
|
|
|
if (pp !== 5 && pp !== 10) {
|
|
type = pp;
|
|
points[p] = 0;
|
|
} else {
|
|
type = pp & 0x33 * type >> 4;
|
|
points[p] &= type >> 2 | type << 2;
|
|
}
|
|
|
|
coords.push(p % width1, p / width1 | 0);
|
|
|
|
if (!points[p]) {
|
|
--count;
|
|
}
|
|
} while (p0 !== p);
|
|
|
|
outlines.push(coords);
|
|
--i;
|
|
}
|
|
|
|
const drawOutline = function (c) {
|
|
c.save();
|
|
c.scale(1 / width, -1 / height);
|
|
c.translate(0, -height);
|
|
c.beginPath();
|
|
|
|
for (let k = 0, kk = outlines.length; k < kk; k++) {
|
|
const o = outlines[k];
|
|
c.moveTo(o[0], o[1]);
|
|
|
|
for (let l = 2, ll = o.length; l < ll; l += 2) {
|
|
c.lineTo(o[l], o[l + 1]);
|
|
}
|
|
}
|
|
|
|
c.fill();
|
|
c.beginPath();
|
|
c.restore();
|
|
};
|
|
|
|
return drawOutline;
|
|
}
|
|
|
|
class CanvasExtraState {
|
|
constructor(width, height) {
|
|
this.alphaIsShape = false;
|
|
this.fontSize = 0;
|
|
this.fontSizeScale = 1;
|
|
this.textMatrix = _util.IDENTITY_MATRIX;
|
|
this.textMatrixScale = 1;
|
|
this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
|
|
this.leading = 0;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.lineX = 0;
|
|
this.lineY = 0;
|
|
this.charSpacing = 0;
|
|
this.wordSpacing = 0;
|
|
this.textHScale = 1;
|
|
this.textRenderingMode = _util.TextRenderingMode.FILL;
|
|
this.textRise = 0;
|
|
this.fillColor = "#000000";
|
|
this.strokeColor = "#000000";
|
|
this.patternFill = false;
|
|
this.fillAlpha = 1;
|
|
this.strokeAlpha = 1;
|
|
this.lineWidth = 1;
|
|
this.activeSMask = null;
|
|
this.transferMaps = null;
|
|
this.startNewPathAndClipBox([0, 0, width, height]);
|
|
}
|
|
|
|
clone() {
|
|
const clone = Object.create(this);
|
|
clone.clipBox = this.clipBox.slice();
|
|
return clone;
|
|
}
|
|
|
|
setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
updatePathMinMax(transform, x, y) {
|
|
[x, y] = _util.Util.applyTransform([x, y], transform);
|
|
this.minX = Math.min(this.minX, x);
|
|
this.minY = Math.min(this.minY, y);
|
|
this.maxX = Math.max(this.maxX, x);
|
|
this.maxY = Math.max(this.maxY, y);
|
|
}
|
|
|
|
updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3) {
|
|
const box = _util.Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3);
|
|
|
|
this.updatePathMinMax(transform, box[0], box[1]);
|
|
this.updatePathMinMax(transform, box[2], box[3]);
|
|
}
|
|
|
|
getPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
|
|
const box = [this.minX, this.minY, this.maxX, this.maxY];
|
|
|
|
if (pathType === _pattern_helper.PathType.STROKE) {
|
|
if (!transform) {
|
|
(0, _util.unreachable)("Stroke bounding box must include transform.");
|
|
}
|
|
|
|
const scale = _util.Util.singularValueDecompose2dScale(transform);
|
|
|
|
const xStrokePad = scale[0] * this.lineWidth / 2;
|
|
const yStrokePad = scale[1] * this.lineWidth / 2;
|
|
box[0] -= xStrokePad;
|
|
box[1] -= yStrokePad;
|
|
box[2] += xStrokePad;
|
|
box[3] += yStrokePad;
|
|
}
|
|
|
|
return box;
|
|
}
|
|
|
|
updateClipFromPath() {
|
|
const intersect = _util.Util.intersect(this.clipBox, this.getPathBoundingBox());
|
|
|
|
this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
|
|
}
|
|
|
|
startNewPathAndClipBox(box) {
|
|
this.clipBox = box;
|
|
this.minX = Infinity;
|
|
this.minY = Infinity;
|
|
this.maxX = 0;
|
|
this.maxY = 0;
|
|
}
|
|
|
|
getClippedPathBoundingBox(pathType = _pattern_helper.PathType.FILL, transform = null) {
|
|
return _util.Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
|
|
}
|
|
|
|
}
|
|
|
|
function putBinaryImageData(ctx, imgData, transferMaps = null) {
|
|
if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
|
|
ctx.putImageData(imgData, 0, 0);
|
|
return;
|
|
}
|
|
|
|
const height = imgData.height,
|
|
width = imgData.width;
|
|
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
let srcPos = 0,
|
|
destPos;
|
|
const src = imgData.data;
|
|
const dest = chunkImgData.data;
|
|
let i, j, thisChunkHeight, elemsInThisChunk;
|
|
let transferMapRed, transferMapGreen, transferMapBlue, transferMapGray;
|
|
|
|
if (transferMaps) {
|
|
switch (transferMaps.length) {
|
|
case 1:
|
|
transferMapRed = transferMaps[0];
|
|
transferMapGreen = transferMaps[0];
|
|
transferMapBlue = transferMaps[0];
|
|
transferMapGray = transferMaps[0];
|
|
break;
|
|
|
|
case 4:
|
|
transferMapRed = transferMaps[0];
|
|
transferMapGreen = transferMaps[1];
|
|
transferMapBlue = transferMaps[2];
|
|
transferMapGray = transferMaps[3];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
|
|
const srcLength = src.byteLength;
|
|
const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
|
|
const dest32DataLength = dest32.length;
|
|
const fullSrcDiff = width + 7 >> 3;
|
|
let white = 0xffffffff;
|
|
let black = _util.IsLittleEndianCached.value ? 0xff000000 : 0x000000ff;
|
|
|
|
if (transferMapGray) {
|
|
if (transferMapGray[0] === 0xff && transferMapGray[0xff] === 0) {
|
|
[white, black] = [black, white];
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < totalChunks; i++) {
|
|
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
destPos = 0;
|
|
|
|
for (j = 0; j < thisChunkHeight; j++) {
|
|
const srcDiff = srcLength - srcPos;
|
|
let k = 0;
|
|
const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
|
|
const kEndUnrolled = kEnd & ~7;
|
|
let mask = 0;
|
|
let srcByte = 0;
|
|
|
|
for (; k < kEndUnrolled; k += 8) {
|
|
srcByte = src[srcPos++];
|
|
dest32[destPos++] = srcByte & 128 ? white : black;
|
|
dest32[destPos++] = srcByte & 64 ? white : black;
|
|
dest32[destPos++] = srcByte & 32 ? white : black;
|
|
dest32[destPos++] = srcByte & 16 ? white : black;
|
|
dest32[destPos++] = srcByte & 8 ? white : black;
|
|
dest32[destPos++] = srcByte & 4 ? white : black;
|
|
dest32[destPos++] = srcByte & 2 ? white : black;
|
|
dest32[destPos++] = srcByte & 1 ? white : black;
|
|
}
|
|
|
|
for (; k < kEnd; k++) {
|
|
if (mask === 0) {
|
|
srcByte = src[srcPos++];
|
|
mask = 128;
|
|
}
|
|
|
|
dest32[destPos++] = srcByte & mask ? white : black;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
|
|
while (destPos < dest32DataLength) {
|
|
dest32[destPos++] = 0;
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
|
|
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
|
|
j = 0;
|
|
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
|
|
|
|
for (i = 0; i < fullChunks; i++) {
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
srcPos += elemsInThisChunk;
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < elemsInThisChunk; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
j += FULL_CHUNK_HEIGHT;
|
|
}
|
|
|
|
if (i < totalChunks) {
|
|
elemsInThisChunk = width * partialChunkHeight * 4;
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < elemsInThisChunk; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
}
|
|
} else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
|
|
const hasTransferMaps = !!(transferMapRed || transferMapGreen || transferMapBlue);
|
|
thisChunkHeight = FULL_CHUNK_HEIGHT;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
|
|
for (i = 0; i < totalChunks; i++) {
|
|
if (i >= fullChunks) {
|
|
thisChunkHeight = partialChunkHeight;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
}
|
|
|
|
destPos = 0;
|
|
|
|
for (j = elemsInThisChunk; j--;) {
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = 255;
|
|
}
|
|
|
|
if (hasTransferMaps) {
|
|
for (let k = 0; k < destPos; k += 4) {
|
|
if (transferMapRed) {
|
|
dest[k + 0] = transferMapRed[dest[k + 0]];
|
|
}
|
|
|
|
if (transferMapGreen) {
|
|
dest[k + 1] = transferMapGreen[dest[k + 1]];
|
|
}
|
|
|
|
if (transferMapBlue) {
|
|
dest[k + 2] = transferMapBlue[dest[k + 2]];
|
|
}
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else {
|
|
throw new Error(`bad image kind: ${imgData.kind}`);
|
|
}
|
|
}
|
|
|
|
function putBinaryImageMask(ctx, imgData) {
|
|
const height = imgData.height,
|
|
width = imgData.width;
|
|
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
let srcPos = 0;
|
|
const src = imgData.data;
|
|
const dest = chunkImgData.data;
|
|
|
|
for (let i = 0; i < totalChunks; i++) {
|
|
const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
let destPos = 3;
|
|
|
|
for (let j = 0; j < thisChunkHeight; j++) {
|
|
let elem,
|
|
mask = 0;
|
|
|
|
for (let k = 0; k < width; k++) {
|
|
if (!mask) {
|
|
elem = src[srcPos++];
|
|
mask = 128;
|
|
}
|
|
|
|
dest[destPos] = elem & mask ? 0 : 255;
|
|
destPos += 4;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
}
|
|
|
|
function copyCtxState(sourceCtx, destCtx) {
|
|
const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font"];
|
|
|
|
for (let i = 0, ii = properties.length; i < ii; i++) {
|
|
const property = properties[i];
|
|
|
|
if (sourceCtx[property] !== undefined) {
|
|
destCtx[property] = sourceCtx[property];
|
|
}
|
|
}
|
|
|
|
if (sourceCtx.setLineDash !== undefined) {
|
|
destCtx.setLineDash(sourceCtx.getLineDash());
|
|
destCtx.lineDashOffset = sourceCtx.lineDashOffset;
|
|
}
|
|
}
|
|
|
|
function resetCtxToDefault(ctx) {
|
|
ctx.strokeStyle = "#000000";
|
|
ctx.fillStyle = "#000000";
|
|
ctx.fillRule = "nonzero";
|
|
ctx.globalAlpha = 1;
|
|
ctx.lineWidth = 1;
|
|
ctx.lineCap = "butt";
|
|
ctx.lineJoin = "miter";
|
|
ctx.miterLimit = 10;
|
|
ctx.globalCompositeOperation = "source-over";
|
|
ctx.font = "10px sans-serif";
|
|
|
|
if (ctx.setLineDash !== undefined) {
|
|
ctx.setLineDash([]);
|
|
ctx.lineDashOffset = 0;
|
|
}
|
|
}
|
|
|
|
function composeSMaskBackdrop(bytes, r0, g0, b0) {
|
|
const length = bytes.length;
|
|
|
|
for (let i = 3; i < length; i += 4) {
|
|
const alpha = bytes[i];
|
|
|
|
if (alpha === 0) {
|
|
bytes[i - 3] = r0;
|
|
bytes[i - 2] = g0;
|
|
bytes[i - 1] = b0;
|
|
} else if (alpha < 255) {
|
|
const alpha_ = 255 - alpha;
|
|
bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
|
|
bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
|
|
bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
function composeSMaskAlpha(maskData, layerData, transferMap) {
|
|
const length = maskData.length;
|
|
const scale = 1 / 255;
|
|
|
|
for (let i = 3; i < length; i += 4) {
|
|
const alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
|
|
layerData[i] = layerData[i] * alpha * scale | 0;
|
|
}
|
|
}
|
|
|
|
function composeSMaskLuminosity(maskData, layerData, transferMap) {
|
|
const length = maskData.length;
|
|
|
|
for (let i = 3; i < length; i += 4) {
|
|
const y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
|
|
layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
|
|
}
|
|
}
|
|
|
|
function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
|
|
const hasBackdrop = !!backdrop;
|
|
const r0 = hasBackdrop ? backdrop[0] : 0;
|
|
const g0 = hasBackdrop ? backdrop[1] : 0;
|
|
const b0 = hasBackdrop ? backdrop[2] : 0;
|
|
let composeFn;
|
|
|
|
if (subtype === "Luminosity") {
|
|
composeFn = composeSMaskLuminosity;
|
|
} else {
|
|
composeFn = composeSMaskAlpha;
|
|
}
|
|
|
|
const PIXELS_TO_PROCESS = 1048576;
|
|
const chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
|
|
|
|
for (let row = 0; row < height; row += chunkSize) {
|
|
const chunkHeight = Math.min(chunkSize, height - row);
|
|
const maskData = maskCtx.getImageData(layerOffsetX - maskOffsetX, row + (layerOffsetY - maskOffsetY), width, chunkHeight);
|
|
const layerData = layerCtx.getImageData(layerOffsetX, row + layerOffsetY, width, chunkHeight);
|
|
|
|
if (hasBackdrop) {
|
|
composeSMaskBackdrop(maskData.data, r0, g0, b0);
|
|
}
|
|
|
|
composeFn(maskData.data, layerData.data, transferMap);
|
|
layerCtx.putImageData(layerData, layerOffsetX, row + layerOffsetY);
|
|
}
|
|
}
|
|
|
|
function composeSMask(ctx, smask, layerCtx, layerBox) {
|
|
const layerOffsetX = layerBox[0];
|
|
const layerOffsetY = layerBox[1];
|
|
const layerWidth = layerBox[2] - layerOffsetX;
|
|
const layerHeight = layerBox[3] - layerOffsetY;
|
|
|
|
if (layerWidth === 0 || layerHeight === 0) {
|
|
return;
|
|
}
|
|
|
|
genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
|
|
ctx.save();
|
|
ctx.globalAlpha = 1;
|
|
ctx.globalCompositeOperation = "source-over";
|
|
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
ctx.drawImage(layerCtx.canvas, 0, 0);
|
|
ctx.restore();
|
|
}
|
|
|
|
function getImageSmoothingEnabled(transform, interpolate) {
|
|
const scale = _util.Util.singularValueDecompose2dScale(transform);
|
|
|
|
scale[0] = Math.fround(scale[0]);
|
|
scale[1] = Math.fround(scale[1]);
|
|
const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * _display_utils.PixelsPerInch.PDF_TO_CSS_UNITS);
|
|
|
|
if (interpolate !== undefined) {
|
|
return interpolate;
|
|
} else if (scale[0] <= actualScale || scale[1] <= actualScale) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const LINE_CAP_STYLES = ["butt", "round", "square"];
|
|
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
|
|
const NORMAL_CLIP = {};
|
|
const EO_CLIP = {};
|
|
|
|
class CanvasGraphics {
|
|
constructor(canvasCtx, commonObjs, objs, canvasFactory, imageLayer, optionalContentConfig, annotationCanvasMap) {
|
|
this.ctx = canvasCtx;
|
|
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
|
|
this.stateStack = [];
|
|
this.pendingClip = null;
|
|
this.pendingEOFill = false;
|
|
this.res = null;
|
|
this.xobjs = null;
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.canvasFactory = canvasFactory;
|
|
this.imageLayer = imageLayer;
|
|
this.groupStack = [];
|
|
this.processingType3 = null;
|
|
this.baseTransform = null;
|
|
this.baseTransformStack = [];
|
|
this.groupLevel = 0;
|
|
this.smaskStack = [];
|
|
this.smaskCounter = 0;
|
|
this.tempSMask = null;
|
|
this.suspendedCtx = null;
|
|
this.contentVisible = true;
|
|
this.markedContentStack = [];
|
|
this.optionalContentConfig = optionalContentConfig;
|
|
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
|
|
this.cachedPatterns = new Map();
|
|
this.annotationCanvasMap = annotationCanvasMap;
|
|
this.viewportScale = 1;
|
|
this.outputScaleX = 1;
|
|
this.outputScaleY = 1;
|
|
|
|
if (canvasCtx) {
|
|
addContextCurrentTransform(canvasCtx);
|
|
}
|
|
|
|
this._cachedGetSinglePixelWidth = null;
|
|
}
|
|
|
|
beginDrawing({
|
|
transform,
|
|
viewport,
|
|
transparency = false,
|
|
background = null
|
|
}) {
|
|
const width = this.ctx.canvas.width;
|
|
const height = this.ctx.canvas.height;
|
|
this.ctx.save();
|
|
this.ctx.fillStyle = background || "rgb(255, 255, 255)";
|
|
this.ctx.fillRect(0, 0, width, height);
|
|
this.ctx.restore();
|
|
|
|
if (transparency) {
|
|
const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height, true);
|
|
this.compositeCtx = this.ctx;
|
|
this.transparentCanvas = transparentCanvas.canvas;
|
|
this.ctx = transparentCanvas.context;
|
|
this.ctx.save();
|
|
this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
|
|
}
|
|
|
|
this.ctx.save();
|
|
resetCtxToDefault(this.ctx);
|
|
|
|
if (transform) {
|
|
this.ctx.transform.apply(this.ctx, transform);
|
|
this.outputScaleX = transform[0];
|
|
this.outputScaleY = transform[0];
|
|
}
|
|
|
|
this.ctx.transform.apply(this.ctx, viewport.transform);
|
|
this.viewportScale = viewport.scale;
|
|
this.baseTransform = this.ctx.mozCurrentTransform.slice();
|
|
this._combinedScaleFactor = Math.hypot(this.baseTransform[0], this.baseTransform[2]);
|
|
|
|
if (this.imageLayer) {
|
|
this.imageLayer.beginLayout();
|
|
}
|
|
}
|
|
|
|
executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
|
|
const argsArray = operatorList.argsArray;
|
|
const fnArray = operatorList.fnArray;
|
|
let i = executionStartIdx || 0;
|
|
const argsArrayLen = argsArray.length;
|
|
|
|
if (argsArrayLen === i) {
|
|
return i;
|
|
}
|
|
|
|
const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
|
|
const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
|
|
let steps = 0;
|
|
const commonObjs = this.commonObjs;
|
|
const objs = this.objs;
|
|
let fnId;
|
|
|
|
while (true) {
|
|
if (stepper !== undefined && i === stepper.nextBreakPoint) {
|
|
stepper.breakIt(i, continueCallback);
|
|
return i;
|
|
}
|
|
|
|
fnId = fnArray[i];
|
|
|
|
if (fnId !== _util.OPS.dependency) {
|
|
this[fnId].apply(this, argsArray[i]);
|
|
} else {
|
|
for (const depObjId of argsArray[i]) {
|
|
const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
|
|
|
|
if (!objsPool.has(depObjId)) {
|
|
objsPool.get(depObjId, continueCallback);
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
|
|
i++;
|
|
|
|
if (i === argsArrayLen) {
|
|
return i;
|
|
}
|
|
|
|
if (chunkOperations && ++steps > EXECUTION_STEPS) {
|
|
if (Date.now() > endTime) {
|
|
continueCallback();
|
|
return i;
|
|
}
|
|
|
|
steps = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
endDrawing() {
|
|
while (this.stateStack.length || this.inSMaskMode) {
|
|
this.restore();
|
|
}
|
|
|
|
this.ctx.restore();
|
|
|
|
if (this.transparentCanvas) {
|
|
this.ctx = this.compositeCtx;
|
|
this.ctx.save();
|
|
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
this.ctx.drawImage(this.transparentCanvas, 0, 0);
|
|
this.ctx.restore();
|
|
this.transparentCanvas = null;
|
|
}
|
|
|
|
this.cachedCanvases.clear();
|
|
this.cachedPatterns.clear();
|
|
|
|
if (this.imageLayer) {
|
|
this.imageLayer.endLayout();
|
|
}
|
|
}
|
|
|
|
_scaleImage(img, inverseTransform) {
|
|
const width = img.width;
|
|
const height = img.height;
|
|
let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
|
|
let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
|
|
let paintWidth = width,
|
|
paintHeight = height;
|
|
let tmpCanvasId = "prescale1";
|
|
let tmpCanvas, tmpCtx;
|
|
|
|
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
|
|
let newWidth = paintWidth,
|
|
newHeight = paintHeight;
|
|
|
|
if (widthScale > 2 && paintWidth > 1) {
|
|
newWidth = Math.ceil(paintWidth / 2);
|
|
widthScale /= paintWidth / newWidth;
|
|
}
|
|
|
|
if (heightScale > 2 && paintHeight > 1) {
|
|
newHeight = Math.ceil(paintHeight / 2);
|
|
heightScale /= paintHeight / newHeight;
|
|
}
|
|
|
|
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
|
|
tmpCtx = tmpCanvas.context;
|
|
tmpCtx.clearRect(0, 0, newWidth, newHeight);
|
|
tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
|
|
img = tmpCanvas.canvas;
|
|
paintWidth = newWidth;
|
|
paintHeight = newHeight;
|
|
tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
|
|
}
|
|
|
|
return {
|
|
img,
|
|
paintWidth,
|
|
paintHeight
|
|
};
|
|
}
|
|
|
|
_createMaskCanvas(img) {
|
|
const ctx = this.ctx;
|
|
const width = img.width,
|
|
height = img.height;
|
|
const fillColor = this.current.fillColor;
|
|
const isPatternFill = this.current.patternFill;
|
|
const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
|
|
const maskCtx = maskCanvas.context;
|
|
putBinaryImageMask(maskCtx, img);
|
|
const objToCanvas = ctx.mozCurrentTransform;
|
|
|
|
let maskToCanvas = _util.Util.transform(objToCanvas, [1 / width, 0, 0, -1 / height, 0, 0]);
|
|
|
|
maskToCanvas = _util.Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
|
|
|
|
const cord1 = _util.Util.applyTransform([0, 0], maskToCanvas);
|
|
|
|
const cord2 = _util.Util.applyTransform([width, height], maskToCanvas);
|
|
|
|
const rect = _util.Util.normalizeRect([cord1[0], cord1[1], cord2[0], cord2[1]]);
|
|
|
|
const drawnWidth = Math.ceil(rect[2] - rect[0]);
|
|
const drawnHeight = Math.ceil(rect[3] - rect[1]);
|
|
const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight, true);
|
|
const fillCtx = fillCanvas.context;
|
|
const offsetX = Math.min(cord1[0], cord2[0]);
|
|
const offsetY = Math.min(cord1[1], cord2[1]);
|
|
fillCtx.translate(-offsetX, -offsetY);
|
|
fillCtx.transform.apply(fillCtx, maskToCanvas);
|
|
|
|
const scaled = this._scaleImage(maskCanvas.canvas, fillCtx.mozCurrentTransformInverse);
|
|
|
|
fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled(fillCtx.mozCurrentTransform, img.interpolate);
|
|
fillCtx.drawImage(scaled.img, 0, 0, scaled.img.width, scaled.img.height, 0, 0, width, height);
|
|
fillCtx.globalCompositeOperation = "source-in";
|
|
|
|
const inverse = _util.Util.transform(fillCtx.mozCurrentTransformInverse, [1, 0, 0, 1, -offsetX, -offsetY]);
|
|
|
|
fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, _pattern_helper.PathType.FILL) : fillColor;
|
|
fillCtx.fillRect(0, 0, width, height);
|
|
return {
|
|
canvas: fillCanvas.canvas,
|
|
offsetX: Math.round(offsetX),
|
|
offsetY: Math.round(offsetY)
|
|
};
|
|
}
|
|
|
|
setLineWidth(width) {
|
|
this.current.lineWidth = width;
|
|
this.ctx.lineWidth = width;
|
|
}
|
|
|
|
setLineCap(style) {
|
|
this.ctx.lineCap = LINE_CAP_STYLES[style];
|
|
}
|
|
|
|
setLineJoin(style) {
|
|
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
|
|
}
|
|
|
|
setMiterLimit(limit) {
|
|
this.ctx.miterLimit = limit;
|
|
}
|
|
|
|
setDash(dashArray, dashPhase) {
|
|
const ctx = this.ctx;
|
|
|
|
if (ctx.setLineDash !== undefined) {
|
|
ctx.setLineDash(dashArray);
|
|
ctx.lineDashOffset = dashPhase;
|
|
}
|
|
}
|
|
|
|
setRenderingIntent(intent) {}
|
|
|
|
setFlatness(flatness) {}
|
|
|
|
setGState(states) {
|
|
for (let i = 0, ii = states.length; i < ii; i++) {
|
|
const state = states[i];
|
|
const key = state[0];
|
|
const value = state[1];
|
|
|
|
switch (key) {
|
|
case "LW":
|
|
this.setLineWidth(value);
|
|
break;
|
|
|
|
case "LC":
|
|
this.setLineCap(value);
|
|
break;
|
|
|
|
case "LJ":
|
|
this.setLineJoin(value);
|
|
break;
|
|
|
|
case "ML":
|
|
this.setMiterLimit(value);
|
|
break;
|
|
|
|
case "D":
|
|
this.setDash(value[0], value[1]);
|
|
break;
|
|
|
|
case "RI":
|
|
this.setRenderingIntent(value);
|
|
break;
|
|
|
|
case "FL":
|
|
this.setFlatness(value);
|
|
break;
|
|
|
|
case "Font":
|
|
this.setFont(value[0], value[1]);
|
|
break;
|
|
|
|
case "CA":
|
|
this.current.strokeAlpha = state[1];
|
|
break;
|
|
|
|
case "ca":
|
|
this.current.fillAlpha = state[1];
|
|
this.ctx.globalAlpha = state[1];
|
|
break;
|
|
|
|
case "BM":
|
|
this.ctx.globalCompositeOperation = value;
|
|
break;
|
|
|
|
case "SMask":
|
|
this.current.activeSMask = value ? this.tempSMask : null;
|
|
this.tempSMask = null;
|
|
this.checkSMaskState();
|
|
break;
|
|
|
|
case "TR":
|
|
this.current.transferMaps = value;
|
|
}
|
|
}
|
|
}
|
|
|
|
get inSMaskMode() {
|
|
return !!this.suspendedCtx;
|
|
}
|
|
|
|
checkSMaskState() {
|
|
const inSMaskMode = this.inSMaskMode;
|
|
|
|
if (this.current.activeSMask && !inSMaskMode) {
|
|
this.beginSMaskMode();
|
|
} else if (!this.current.activeSMask && inSMaskMode) {
|
|
this.endSMaskMode();
|
|
}
|
|
}
|
|
|
|
beginSMaskMode() {
|
|
if (this.inSMaskMode) {
|
|
throw new Error("beginSMaskMode called while already in smask mode");
|
|
}
|
|
|
|
const drawnWidth = this.ctx.canvas.width;
|
|
const drawnHeight = this.ctx.canvas.height;
|
|
const cacheId = "smaskGroupAt" + this.groupLevel;
|
|
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
this.suspendedCtx = this.ctx;
|
|
this.ctx = scratchCanvas.context;
|
|
const ctx = this.ctx;
|
|
ctx.setTransform.apply(ctx, this.suspendedCtx.mozCurrentTransform);
|
|
copyCtxState(this.suspendedCtx, ctx);
|
|
mirrorContextOperations(ctx, this.suspendedCtx);
|
|
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
|
|
}
|
|
|
|
endSMaskMode() {
|
|
if (!this.inSMaskMode) {
|
|
throw new Error("endSMaskMode called while not in smask mode");
|
|
}
|
|
|
|
this.ctx._removeMirroring();
|
|
|
|
copyCtxState(this.ctx, this.suspendedCtx);
|
|
this.ctx = this.suspendedCtx;
|
|
this.suspendedCtx = null;
|
|
}
|
|
|
|
compose(dirtyBox) {
|
|
if (!this.current.activeSMask) {
|
|
return;
|
|
}
|
|
|
|
if (!dirtyBox) {
|
|
dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
|
|
} else {
|
|
dirtyBox[0] = Math.floor(dirtyBox[0]);
|
|
dirtyBox[1] = Math.floor(dirtyBox[1]);
|
|
dirtyBox[2] = Math.ceil(dirtyBox[2]);
|
|
dirtyBox[3] = Math.ceil(dirtyBox[3]);
|
|
}
|
|
|
|
const smask = this.current.activeSMask;
|
|
const suspendedCtx = this.suspendedCtx;
|
|
composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
|
|
this.ctx.save();
|
|
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
|
|
this.ctx.restore();
|
|
}
|
|
|
|
save() {
|
|
if (this.inSMaskMode) {
|
|
copyCtxState(this.ctx, this.suspendedCtx);
|
|
this.suspendedCtx.save();
|
|
} else {
|
|
this.ctx.save();
|
|
}
|
|
|
|
const old = this.current;
|
|
this.stateStack.push(old);
|
|
this.current = old.clone();
|
|
}
|
|
|
|
restore() {
|
|
if (this.stateStack.length === 0 && this.inSMaskMode) {
|
|
this.endSMaskMode();
|
|
}
|
|
|
|
if (this.stateStack.length !== 0) {
|
|
this.current = this.stateStack.pop();
|
|
|
|
if (this.inSMaskMode) {
|
|
this.suspendedCtx.restore();
|
|
copyCtxState(this.suspendedCtx, this.ctx);
|
|
} else {
|
|
this.ctx.restore();
|
|
}
|
|
|
|
this.checkSMaskState();
|
|
this.pendingClip = null;
|
|
this._cachedGetSinglePixelWidth = null;
|
|
}
|
|
}
|
|
|
|
transform(a, b, c, d, e, f) {
|
|
this.ctx.transform(a, b, c, d, e, f);
|
|
this._cachedGetSinglePixelWidth = null;
|
|
}
|
|
|
|
constructPath(ops, args) {
|
|
const ctx = this.ctx;
|
|
const current = this.current;
|
|
let x = current.x,
|
|
y = current.y;
|
|
let startX, startY;
|
|
|
|
for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
|
|
switch (ops[i] | 0) {
|
|
case _util.OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
const width = args[j++];
|
|
const height = args[j++];
|
|
const xw = x + width;
|
|
const yh = y + height;
|
|
ctx.moveTo(x, y);
|
|
|
|
if (width === 0 || height === 0) {
|
|
ctx.lineTo(xw, yh);
|
|
} else {
|
|
ctx.lineTo(xw, y);
|
|
ctx.lineTo(xw, yh);
|
|
ctx.lineTo(x, yh);
|
|
}
|
|
|
|
current.updatePathMinMax(ctx.mozCurrentTransform, x, y);
|
|
current.updatePathMinMax(ctx.mozCurrentTransform, xw, yh);
|
|
ctx.closePath();
|
|
break;
|
|
|
|
case _util.OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.moveTo(x, y);
|
|
current.updatePathMinMax(ctx.mozCurrentTransform, x, y);
|
|
break;
|
|
|
|
case _util.OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.lineTo(x, y);
|
|
current.updatePathMinMax(ctx.mozCurrentTransform, x, y);
|
|
break;
|
|
|
|
case _util.OPS.curveTo:
|
|
startX = x;
|
|
startY = y;
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
|
|
current.updateCurvePathMinMax(ctx.mozCurrentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
|
|
j += 6;
|
|
break;
|
|
|
|
case _util.OPS.curveTo2:
|
|
startX = x;
|
|
startY = y;
|
|
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
|
|
current.updateCurvePathMinMax(ctx.mozCurrentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.curveTo3:
|
|
startX = x;
|
|
startY = y;
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
|
|
current.updateCurvePathMinMax(ctx.mozCurrentTransform, startX, startY, args[j], args[j + 1], x, y, x, y);
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
ctx.closePath();
|
|
break;
|
|
}
|
|
}
|
|
|
|
current.setCurrentPoint(x, y);
|
|
}
|
|
|
|
closePath() {
|
|
this.ctx.closePath();
|
|
}
|
|
|
|
stroke(consumePath) {
|
|
consumePath = typeof consumePath !== "undefined" ? consumePath : true;
|
|
const ctx = this.ctx;
|
|
const strokeColor = this.current.strokeColor;
|
|
ctx.globalAlpha = this.current.strokeAlpha;
|
|
|
|
if (this.contentVisible) {
|
|
if (typeof strokeColor === "object" && strokeColor?.getPattern) {
|
|
const lineWidth = this.getSinglePixelWidth();
|
|
ctx.save();
|
|
ctx.strokeStyle = strokeColor.getPattern(ctx, this, ctx.mozCurrentTransformInverse, _pattern_helper.PathType.STROKE);
|
|
ctx.lineWidth = Math.max(lineWidth, this.current.lineWidth);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
} else {
|
|
const lineWidth = this.getSinglePixelWidth();
|
|
|
|
if (lineWidth < 0 && -lineWidth >= this.current.lineWidth) {
|
|
ctx.save();
|
|
ctx.resetTransform();
|
|
ctx.lineWidth = Math.floor(this._combinedScaleFactor);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
} else {
|
|
ctx.lineWidth = Math.max(lineWidth, this.current.lineWidth);
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (consumePath) {
|
|
this.consumePath(this.current.getClippedPathBoundingBox());
|
|
}
|
|
|
|
ctx.globalAlpha = this.current.fillAlpha;
|
|
}
|
|
|
|
closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
}
|
|
|
|
fill(consumePath) {
|
|
consumePath = typeof consumePath !== "undefined" ? consumePath : true;
|
|
const ctx = this.ctx;
|
|
const fillColor = this.current.fillColor;
|
|
const isPatternFill = this.current.patternFill;
|
|
let needRestore = false;
|
|
|
|
if (isPatternFill) {
|
|
ctx.save();
|
|
ctx.fillStyle = fillColor.getPattern(ctx, this, ctx.mozCurrentTransformInverse, _pattern_helper.PathType.FILL);
|
|
needRestore = true;
|
|
}
|
|
|
|
const intersect = this.current.getClippedPathBoundingBox();
|
|
|
|
if (this.contentVisible && intersect !== null) {
|
|
if (this.pendingEOFill) {
|
|
ctx.fill("evenodd");
|
|
this.pendingEOFill = false;
|
|
} else {
|
|
ctx.fill();
|
|
}
|
|
}
|
|
|
|
if (needRestore) {
|
|
ctx.restore();
|
|
}
|
|
|
|
if (consumePath) {
|
|
this.consumePath(intersect);
|
|
}
|
|
}
|
|
|
|
eoFill() {
|
|
this.pendingEOFill = true;
|
|
this.fill();
|
|
}
|
|
|
|
fillStroke() {
|
|
this.fill(false);
|
|
this.stroke(false);
|
|
this.consumePath();
|
|
}
|
|
|
|
eoFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeEOFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.closePath();
|
|
this.fillStroke();
|
|
}
|
|
|
|
endPath() {
|
|
this.consumePath();
|
|
}
|
|
|
|
clip() {
|
|
this.pendingClip = NORMAL_CLIP;
|
|
}
|
|
|
|
eoClip() {
|
|
this.pendingClip = EO_CLIP;
|
|
}
|
|
|
|
beginText() {
|
|
this.current.textMatrix = _util.IDENTITY_MATRIX;
|
|
this.current.textMatrixScale = 1;
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
}
|
|
|
|
endText() {
|
|
const paths = this.pendingTextPaths;
|
|
const ctx = this.ctx;
|
|
|
|
if (paths === undefined) {
|
|
ctx.beginPath();
|
|
return;
|
|
}
|
|
|
|
ctx.save();
|
|
ctx.beginPath();
|
|
|
|
for (let i = 0; i < paths.length; i++) {
|
|
const path = paths[i];
|
|
ctx.setTransform.apply(ctx, path.transform);
|
|
ctx.translate(path.x, path.y);
|
|
path.addToPath(ctx, path.fontSize);
|
|
}
|
|
|
|
ctx.restore();
|
|
ctx.clip();
|
|
ctx.beginPath();
|
|
delete this.pendingTextPaths;
|
|
}
|
|
|
|
setCharSpacing(spacing) {
|
|
this.current.charSpacing = spacing;
|
|
}
|
|
|
|
setWordSpacing(spacing) {
|
|
this.current.wordSpacing = spacing;
|
|
}
|
|
|
|
setHScale(scale) {
|
|
this.current.textHScale = scale / 100;
|
|
}
|
|
|
|
setLeading(leading) {
|
|
this.current.leading = -leading;
|
|
}
|
|
|
|
setFont(fontRefName, size) {
|
|
const fontObj = this.commonObjs.get(fontRefName);
|
|
const current = this.current;
|
|
|
|
if (!fontObj) {
|
|
throw new Error(`Can't find font for ${fontRefName}`);
|
|
}
|
|
|
|
current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
|
|
|
|
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
|
|
(0, _util.warn)("Invalid font matrix for font " + fontRefName);
|
|
}
|
|
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
|
|
this.current.font = fontObj;
|
|
this.current.fontSize = size;
|
|
|
|
if (fontObj.isType3Font) {
|
|
return;
|
|
}
|
|
|
|
const name = fontObj.loadedName || "sans-serif";
|
|
let bold = "normal";
|
|
|
|
if (fontObj.black) {
|
|
bold = "900";
|
|
} else if (fontObj.bold) {
|
|
bold = "bold";
|
|
}
|
|
|
|
const italic = fontObj.italic ? "italic" : "normal";
|
|
const typeface = `"${name}", ${fontObj.fallbackName}`;
|
|
let browserFontSize = size;
|
|
|
|
if (size < MIN_FONT_SIZE) {
|
|
browserFontSize = MIN_FONT_SIZE;
|
|
} else if (size > MAX_FONT_SIZE) {
|
|
browserFontSize = MAX_FONT_SIZE;
|
|
}
|
|
|
|
this.current.fontSizeScale = size / browserFontSize;
|
|
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
|
|
}
|
|
|
|
setTextRenderingMode(mode) {
|
|
this.current.textRenderingMode = mode;
|
|
}
|
|
|
|
setTextRise(rise) {
|
|
this.current.textRise = rise;
|
|
}
|
|
|
|
moveText(x, y) {
|
|
this.current.x = this.current.lineX += x;
|
|
this.current.y = this.current.lineY += y;
|
|
}
|
|
|
|
setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
}
|
|
|
|
setTextMatrix(a, b, c, d, e, f) {
|
|
this.current.textMatrix = [a, b, c, d, e, f];
|
|
this.current.textMatrixScale = Math.hypot(a, b);
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
}
|
|
|
|
nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
}
|
|
|
|
paintChar(character, x, y, patternTransform, resetLineWidthToOne) {
|
|
const ctx = this.ctx;
|
|
const current = this.current;
|
|
const font = current.font;
|
|
const textRenderingMode = current.textRenderingMode;
|
|
const fontSize = current.fontSize / current.fontSizeScale;
|
|
const fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
|
|
const isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
|
|
const patternFill = current.patternFill && !font.missingFile;
|
|
let addToPath;
|
|
|
|
if (font.disableFontFace || isAddToPathSet || patternFill) {
|
|
addToPath = font.getPathGenerator(this.commonObjs, character);
|
|
}
|
|
|
|
if (font.disableFontFace || patternFill) {
|
|
ctx.save();
|
|
ctx.translate(x, y);
|
|
ctx.beginPath();
|
|
addToPath(ctx, fontSize);
|
|
|
|
if (patternTransform) {
|
|
ctx.setTransform.apply(ctx, patternTransform);
|
|
}
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
ctx.fill();
|
|
}
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
if (resetLineWidthToOne) {
|
|
ctx.resetTransform();
|
|
ctx.lineWidth = Math.floor(this._combinedScaleFactor);
|
|
}
|
|
|
|
ctx.stroke();
|
|
}
|
|
|
|
ctx.restore();
|
|
} else {
|
|
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
ctx.fillText(character, x, y);
|
|
}
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
if (resetLineWidthToOne) {
|
|
ctx.save();
|
|
ctx.moveTo(x, y);
|
|
ctx.resetTransform();
|
|
ctx.lineWidth = Math.floor(this._combinedScaleFactor);
|
|
ctx.strokeText(character, 0, 0);
|
|
ctx.restore();
|
|
} else {
|
|
ctx.strokeText(character, x, y);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isAddToPathSet) {
|
|
const paths = this.pendingTextPaths || (this.pendingTextPaths = []);
|
|
paths.push({
|
|
transform: ctx.mozCurrentTransform,
|
|
x,
|
|
y,
|
|
fontSize,
|
|
addToPath
|
|
});
|
|
}
|
|
}
|
|
|
|
get isFontSubpixelAAEnabled() {
|
|
const {
|
|
context: ctx
|
|
} = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
|
|
ctx.scale(1.5, 1);
|
|
ctx.fillText("I", 0, 10);
|
|
const data = ctx.getImageData(0, 0, 10, 10).data;
|
|
let enabled = false;
|
|
|
|
for (let i = 3; i < data.length; i += 4) {
|
|
if (data[i] > 0 && data[i] < 255) {
|
|
enabled = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (0, _util.shadow)(this, "isFontSubpixelAAEnabled", enabled);
|
|
}
|
|
|
|
showText(glyphs) {
|
|
const current = this.current;
|
|
const font = current.font;
|
|
|
|
if (font.isType3Font) {
|
|
return this.showType3Text(glyphs);
|
|
}
|
|
|
|
const fontSize = current.fontSize;
|
|
|
|
if (fontSize === 0) {
|
|
return undefined;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
const fontSizeScale = current.fontSizeScale;
|
|
const charSpacing = current.charSpacing;
|
|
const wordSpacing = current.wordSpacing;
|
|
const fontDirection = current.fontDirection;
|
|
const textHScale = current.textHScale * fontDirection;
|
|
const glyphsLength = glyphs.length;
|
|
const vertical = font.vertical;
|
|
const spacingDir = vertical ? 1 : -1;
|
|
const defaultVMetrics = font.defaultVMetrics;
|
|
const widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
const simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, current.textMatrix);
|
|
ctx.translate(current.x, current.y + current.textRise);
|
|
|
|
if (fontDirection > 0) {
|
|
ctx.scale(textHScale, -1);
|
|
} else {
|
|
ctx.scale(textHScale, 1);
|
|
}
|
|
|
|
let patternTransform;
|
|
|
|
if (current.patternFill) {
|
|
ctx.save();
|
|
const pattern = current.fillColor.getPattern(ctx, this, ctx.mozCurrentTransformInverse, _pattern_helper.PathType.FILL);
|
|
patternTransform = ctx.mozCurrentTransform;
|
|
ctx.restore();
|
|
ctx.fillStyle = pattern;
|
|
}
|
|
|
|
let lineWidth = current.lineWidth;
|
|
let resetLineWidthToOne = false;
|
|
const scale = current.textMatrixScale;
|
|
|
|
if (scale === 0 || lineWidth === 0) {
|
|
const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
this._cachedGetSinglePixelWidth = null;
|
|
lineWidth = this.getSinglePixelWidth();
|
|
resetLineWidthToOne = lineWidth < 0;
|
|
}
|
|
} else {
|
|
lineWidth /= scale;
|
|
}
|
|
|
|
if (fontSizeScale !== 1.0) {
|
|
ctx.scale(fontSizeScale, fontSizeScale);
|
|
lineWidth /= fontSizeScale;
|
|
}
|
|
|
|
ctx.lineWidth = lineWidth;
|
|
let x = 0,
|
|
i;
|
|
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
const glyph = glyphs[i];
|
|
|
|
if (typeof glyph === "number") {
|
|
x += spacingDir * glyph * fontSize / 1000;
|
|
continue;
|
|
}
|
|
|
|
let restoreNeeded = false;
|
|
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
const character = glyph.fontChar;
|
|
const accent = glyph.accent;
|
|
let scaledX, scaledY;
|
|
let width = glyph.width;
|
|
|
|
if (vertical) {
|
|
const vmetric = glyph.vmetric || defaultVMetrics;
|
|
const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
|
|
const vy = vmetric[2] * widthAdvanceScale;
|
|
width = vmetric ? -vmetric[0] : width;
|
|
scaledX = vx / fontSizeScale;
|
|
scaledY = (x + vy) / fontSizeScale;
|
|
} else {
|
|
scaledX = x / fontSizeScale;
|
|
scaledY = 0;
|
|
}
|
|
|
|
if (font.remeasure && width > 0) {
|
|
const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
|
|
|
|
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
|
|
const characterScaleX = width / measuredWidth;
|
|
restoreNeeded = true;
|
|
ctx.save();
|
|
ctx.scale(characterScaleX, 1);
|
|
scaledX /= characterScaleX;
|
|
} else if (width !== measuredWidth) {
|
|
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
|
|
}
|
|
}
|
|
|
|
if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
|
|
if (simpleFillText && !accent) {
|
|
ctx.fillText(character, scaledX, scaledY);
|
|
} else {
|
|
this.paintChar(character, scaledX, scaledY, patternTransform, resetLineWidthToOne);
|
|
|
|
if (accent) {
|
|
const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
|
|
const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
|
|
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform, resetLineWidthToOne);
|
|
}
|
|
}
|
|
}
|
|
|
|
let charWidth;
|
|
|
|
if (vertical) {
|
|
charWidth = width * widthAdvanceScale - spacing * fontDirection;
|
|
} else {
|
|
charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
}
|
|
|
|
x += charWidth;
|
|
|
|
if (restoreNeeded) {
|
|
ctx.restore();
|
|
}
|
|
}
|
|
|
|
if (vertical) {
|
|
current.y -= x;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
|
|
ctx.restore();
|
|
this.compose();
|
|
return undefined;
|
|
}
|
|
|
|
showType3Text(glyphs) {
|
|
const ctx = this.ctx;
|
|
const current = this.current;
|
|
const font = current.font;
|
|
const fontSize = current.fontSize;
|
|
const fontDirection = current.fontDirection;
|
|
const spacingDir = font.vertical ? 1 : -1;
|
|
const charSpacing = current.charSpacing;
|
|
const wordSpacing = current.wordSpacing;
|
|
const textHScale = current.textHScale * fontDirection;
|
|
const fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
|
|
const glyphsLength = glyphs.length;
|
|
const isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
|
|
let i, glyph, width, spacingLength;
|
|
|
|
if (isTextInvisible || fontSize === 0) {
|
|
return;
|
|
}
|
|
|
|
this._cachedGetSinglePixelWidth = null;
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, current.textMatrix);
|
|
ctx.translate(current.x, current.y);
|
|
ctx.scale(textHScale, fontDirection);
|
|
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
glyph = glyphs[i];
|
|
|
|
if (typeof glyph === "number") {
|
|
spacingLength = spacingDir * glyph * fontSize / 1000;
|
|
this.ctx.translate(spacingLength, 0);
|
|
current.x += spacingLength * textHScale;
|
|
continue;
|
|
}
|
|
|
|
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
const operatorList = font.charProcOperatorList[glyph.operatorListId];
|
|
|
|
if (!operatorList) {
|
|
(0, _util.warn)(`Type3 character "${glyph.operatorListId}" is not available.`);
|
|
continue;
|
|
}
|
|
|
|
if (this.contentVisible) {
|
|
this.processingType3 = glyph;
|
|
this.save();
|
|
ctx.scale(fontSize, fontSize);
|
|
ctx.transform.apply(ctx, fontMatrix);
|
|
this.executeOperatorList(operatorList);
|
|
this.restore();
|
|
}
|
|
|
|
const transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
|
|
|
|
width = transformed[0] * fontSize + spacing;
|
|
ctx.translate(width, 0);
|
|
current.x += width * textHScale;
|
|
}
|
|
|
|
ctx.restore();
|
|
this.processingType3 = null;
|
|
}
|
|
|
|
setCharWidth(xWidth, yWidth) {}
|
|
|
|
setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
|
|
this.ctx.rect(llx, lly, urx - llx, ury - lly);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
|
|
getColorN_Pattern(IR) {
|
|
let pattern;
|
|
|
|
if (IR[0] === "TilingPattern") {
|
|
const color = IR[1];
|
|
const baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
|
|
const canvasGraphicsFactory = {
|
|
createCanvasGraphics: ctx => {
|
|
return new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory);
|
|
}
|
|
};
|
|
pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
|
|
} else {
|
|
pattern = this._getPattern(IR[1], IR[2]);
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
|
|
setStrokeColorN() {
|
|
this.current.strokeColor = this.getColorN_Pattern(arguments);
|
|
}
|
|
|
|
setFillColorN() {
|
|
this.current.fillColor = this.getColorN_Pattern(arguments);
|
|
this.current.patternFill = true;
|
|
}
|
|
|
|
setStrokeRGBColor(r, g, b) {
|
|
const color = _util.Util.makeHexColor(r, g, b);
|
|
|
|
this.ctx.strokeStyle = color;
|
|
this.current.strokeColor = color;
|
|
}
|
|
|
|
setFillRGBColor(r, g, b) {
|
|
const color = _util.Util.makeHexColor(r, g, b);
|
|
|
|
this.ctx.fillStyle = color;
|
|
this.current.fillColor = color;
|
|
this.current.patternFill = false;
|
|
}
|
|
|
|
_getPattern(objId, matrix = null) {
|
|
let pattern;
|
|
|
|
if (this.cachedPatterns.has(objId)) {
|
|
pattern = this.cachedPatterns.get(objId);
|
|
} else {
|
|
pattern = (0, _pattern_helper.getShadingPattern)(this.objs.get(objId));
|
|
this.cachedPatterns.set(objId, pattern);
|
|
}
|
|
|
|
if (matrix) {
|
|
pattern.matrix = matrix;
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
|
|
shadingFill(objId) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
this.save();
|
|
|
|
const pattern = this._getPattern(objId);
|
|
|
|
ctx.fillStyle = pattern.getPattern(ctx, this, ctx.mozCurrentTransformInverse, _pattern_helper.PathType.SHADING);
|
|
const inv = ctx.mozCurrentTransformInverse;
|
|
|
|
if (inv) {
|
|
const canvas = ctx.canvas;
|
|
const width = canvas.width;
|
|
const height = canvas.height;
|
|
|
|
const bl = _util.Util.applyTransform([0, 0], inv);
|
|
|
|
const br = _util.Util.applyTransform([0, height], inv);
|
|
|
|
const ul = _util.Util.applyTransform([width, 0], inv);
|
|
|
|
const ur = _util.Util.applyTransform([width, height], inv);
|
|
|
|
const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
|
|
const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
|
|
const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
|
|
const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
|
|
this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
|
|
} else {
|
|
this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
|
|
}
|
|
|
|
this.compose(this.current.getClippedPathBoundingBox());
|
|
this.restore();
|
|
}
|
|
|
|
beginInlineImage() {
|
|
(0, _util.unreachable)("Should not call beginInlineImage");
|
|
}
|
|
|
|
beginImageData() {
|
|
(0, _util.unreachable)("Should not call beginImageData");
|
|
}
|
|
|
|
paintFormXObjectBegin(matrix, bbox) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.save();
|
|
this.baseTransformStack.push(this.baseTransform);
|
|
|
|
if (Array.isArray(matrix) && matrix.length === 6) {
|
|
this.transform.apply(this, matrix);
|
|
}
|
|
|
|
this.baseTransform = this.ctx.mozCurrentTransform;
|
|
|
|
if (bbox) {
|
|
const width = bbox[2] - bbox[0];
|
|
const height = bbox[3] - bbox[1];
|
|
this.ctx.rect(bbox[0], bbox[1], width, height);
|
|
this.current.updatePathMinMax(this.ctx.mozCurrentTransform, bbox[0], bbox[1]);
|
|
this.current.updatePathMinMax(this.ctx.mozCurrentTransform, bbox[2], bbox[3]);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
paintFormXObjectEnd() {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.restore();
|
|
this.baseTransform = this.baseTransformStack.pop();
|
|
}
|
|
|
|
beginGroup(group) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.save();
|
|
|
|
if (this.inSMaskMode) {
|
|
this.endSMaskMode();
|
|
this.current.activeSMask = null;
|
|
}
|
|
|
|
const currentCtx = this.ctx;
|
|
|
|
if (!group.isolated) {
|
|
(0, _util.info)("TODO: Support non-isolated groups.");
|
|
}
|
|
|
|
if (group.knockout) {
|
|
(0, _util.warn)("Knockout groups not supported.");
|
|
}
|
|
|
|
const currentTransform = currentCtx.mozCurrentTransform;
|
|
|
|
if (group.matrix) {
|
|
currentCtx.transform.apply(currentCtx, group.matrix);
|
|
}
|
|
|
|
if (!group.bbox) {
|
|
throw new Error("Bounding box is required.");
|
|
}
|
|
|
|
let bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
|
|
|
|
const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
|
|
bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
|
|
const offsetX = Math.floor(bounds[0]);
|
|
const offsetY = Math.floor(bounds[1]);
|
|
let drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
|
|
let drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
|
|
let scaleX = 1,
|
|
scaleY = 1;
|
|
|
|
if (drawnWidth > MAX_GROUP_SIZE) {
|
|
scaleX = drawnWidth / MAX_GROUP_SIZE;
|
|
drawnWidth = MAX_GROUP_SIZE;
|
|
}
|
|
|
|
if (drawnHeight > MAX_GROUP_SIZE) {
|
|
scaleY = drawnHeight / MAX_GROUP_SIZE;
|
|
drawnHeight = MAX_GROUP_SIZE;
|
|
}
|
|
|
|
this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
|
|
let cacheId = "groupAt" + this.groupLevel;
|
|
|
|
if (group.smask) {
|
|
cacheId += "_smask_" + this.smaskCounter++ % 2;
|
|
}
|
|
|
|
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
const groupCtx = scratchCanvas.context;
|
|
groupCtx.scale(1 / scaleX, 1 / scaleY);
|
|
groupCtx.translate(-offsetX, -offsetY);
|
|
groupCtx.transform.apply(groupCtx, currentTransform);
|
|
|
|
if (group.smask) {
|
|
this.smaskStack.push({
|
|
canvas: scratchCanvas.canvas,
|
|
context: groupCtx,
|
|
offsetX,
|
|
offsetY,
|
|
scaleX,
|
|
scaleY,
|
|
subtype: group.smask.subtype,
|
|
backdrop: group.smask.backdrop,
|
|
transferMap: group.smask.transferMap || null,
|
|
startTransformInverse: null
|
|
});
|
|
} else {
|
|
currentCtx.setTransform(1, 0, 0, 1, 0, 0);
|
|
currentCtx.translate(offsetX, offsetY);
|
|
currentCtx.scale(scaleX, scaleY);
|
|
currentCtx.save();
|
|
}
|
|
|
|
copyCtxState(currentCtx, groupCtx);
|
|
this.ctx = groupCtx;
|
|
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
|
|
this.groupStack.push(currentCtx);
|
|
this.groupLevel++;
|
|
}
|
|
|
|
endGroup(group) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.groupLevel--;
|
|
const groupCtx = this.ctx;
|
|
const ctx = this.groupStack.pop();
|
|
this.ctx = ctx;
|
|
this.ctx.imageSmoothingEnabled = false;
|
|
|
|
if (group.smask) {
|
|
this.tempSMask = this.smaskStack.pop();
|
|
this.restore();
|
|
} else {
|
|
this.ctx.restore();
|
|
const currentMtx = this.ctx.mozCurrentTransform;
|
|
this.restore();
|
|
this.ctx.save();
|
|
this.ctx.setTransform.apply(this.ctx, currentMtx);
|
|
|
|
const dirtyBox = _util.Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
|
|
|
|
this.ctx.drawImage(groupCtx.canvas, 0, 0);
|
|
this.ctx.restore();
|
|
this.compose(dirtyBox);
|
|
}
|
|
}
|
|
|
|
beginAnnotations() {
|
|
this.save();
|
|
|
|
if (this.baseTransform) {
|
|
this.ctx.setTransform.apply(this.ctx, this.baseTransform);
|
|
}
|
|
}
|
|
|
|
endAnnotations() {
|
|
this.restore();
|
|
}
|
|
|
|
beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
|
|
this.save();
|
|
|
|
if (Array.isArray(rect) && rect.length === 4) {
|
|
const width = rect[2] - rect[0];
|
|
const height = rect[3] - rect[1];
|
|
|
|
if (hasOwnCanvas && this.annotationCanvasMap) {
|
|
transform = transform.slice();
|
|
transform[4] -= rect[0];
|
|
transform[5] -= rect[1];
|
|
rect = rect.slice();
|
|
rect[0] = rect[1] = 0;
|
|
rect[2] = width;
|
|
rect[3] = height;
|
|
|
|
const [scaleX, scaleY] = _util.Util.singularValueDecompose2dScale(this.ctx.mozCurrentTransform);
|
|
|
|
const {
|
|
viewportScale
|
|
} = this;
|
|
const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
|
|
const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
|
|
this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
|
|
const {
|
|
canvas,
|
|
context
|
|
} = this.annotationCanvas;
|
|
canvas.style.width = `calc(${width}px * var(--viewport-scale-factor))`;
|
|
canvas.style.height = `calc(${height}px * var(--viewport-scale-factor))`;
|
|
this.annotationCanvasMap.set(id, canvas);
|
|
this.annotationCanvas.savedCtx = this.ctx;
|
|
this.ctx = context;
|
|
this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
|
|
addContextCurrentTransform(this.ctx);
|
|
resetCtxToDefault(this.ctx);
|
|
} else {
|
|
resetCtxToDefault(this.ctx);
|
|
this.ctx.rect(rect[0], rect[1], width, height);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
|
|
this.transform.apply(this, transform);
|
|
this.transform.apply(this, matrix);
|
|
}
|
|
|
|
endAnnotation() {
|
|
if (this.annotationCanvas) {
|
|
this.ctx = this.annotationCanvas.savedCtx;
|
|
delete this.annotationCanvas.savedCtx;
|
|
delete this.annotationCanvas;
|
|
}
|
|
|
|
this.restore();
|
|
}
|
|
|
|
paintImageMaskXObject(img) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
const width = img.width,
|
|
height = img.height;
|
|
const glyph = this.processingType3;
|
|
|
|
if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
|
|
if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
|
|
glyph.compiled = compileType3Glyph({
|
|
data: img.data,
|
|
width,
|
|
height
|
|
});
|
|
} else {
|
|
glyph.compiled = null;
|
|
}
|
|
}
|
|
|
|
if (glyph?.compiled) {
|
|
glyph.compiled(ctx);
|
|
return;
|
|
}
|
|
|
|
const mask = this._createMaskCanvas(img);
|
|
|
|
const maskCanvas = mask.canvas;
|
|
ctx.save();
|
|
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
|
|
ctx.restore();
|
|
this.compose();
|
|
}
|
|
|
|
paintImageMaskXObjectRepeat(imgData, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
ctx.save();
|
|
const currentTransform = ctx.mozCurrentTransform;
|
|
ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
|
|
|
|
const mask = this._createMaskCanvas(imgData);
|
|
|
|
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
|
|
for (let i = 0, ii = positions.length; i < ii; i += 2) {
|
|
const trans = _util.Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
|
|
|
|
const [x, y] = _util.Util.applyTransform([0, 0], trans);
|
|
|
|
ctx.drawImage(mask.canvas, x, y);
|
|
}
|
|
|
|
ctx.restore();
|
|
this.compose();
|
|
}
|
|
|
|
paintImageMaskXObjectGroup(images) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
const fillColor = this.current.fillColor;
|
|
const isPatternFill = this.current.patternFill;
|
|
|
|
for (let i = 0, ii = images.length; i < ii; i++) {
|
|
const image = images[i];
|
|
const width = image.width,
|
|
height = image.height;
|
|
const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
|
|
const maskCtx = maskCanvas.context;
|
|
maskCtx.save();
|
|
putBinaryImageMask(maskCtx, image);
|
|
maskCtx.globalCompositeOperation = "source-in";
|
|
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, ctx.mozCurrentTransformInverse, _pattern_helper.PathType.FILL) : fillColor;
|
|
maskCtx.fillRect(0, 0, width, height);
|
|
maskCtx.restore();
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, image.transform);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
|
|
ctx.restore();
|
|
}
|
|
|
|
this.compose();
|
|
}
|
|
|
|
paintImageXObject(objId) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)("Dependent image isn't ready yet");
|
|
return;
|
|
}
|
|
|
|
this.paintInlineImageXObject(imgData);
|
|
}
|
|
|
|
paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)("Dependent image isn't ready yet");
|
|
return;
|
|
}
|
|
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const map = [];
|
|
|
|
for (let i = 0, ii = positions.length; i < ii; i += 2) {
|
|
map.push({
|
|
transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
|
|
x: 0,
|
|
y: 0,
|
|
w: width,
|
|
h: height
|
|
});
|
|
}
|
|
|
|
this.paintInlineImageXObjectGroup(imgData, map);
|
|
}
|
|
|
|
paintInlineImageXObject(imgData) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const ctx = this.ctx;
|
|
this.save();
|
|
ctx.scale(1 / width, -1 / height);
|
|
let imgToPaint;
|
|
|
|
if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
|
|
imgToPaint = imgData;
|
|
} else {
|
|
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
|
|
const tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
|
|
imgToPaint = tmpCanvas.canvas;
|
|
}
|
|
|
|
const scaled = this._scaleImage(imgToPaint, ctx.mozCurrentTransformInverse);
|
|
|
|
ctx.imageSmoothingEnabled = getImageSmoothingEnabled(ctx.mozCurrentTransform, imgData.interpolate);
|
|
ctx.drawImage(scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
|
|
|
|
if (this.imageLayer) {
|
|
const position = this.getCanvasPosition(0, -height);
|
|
this.imageLayer.appendImage({
|
|
imgData,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: width / ctx.mozCurrentTransformInverse[0],
|
|
height: height / ctx.mozCurrentTransformInverse[3]
|
|
});
|
|
}
|
|
|
|
this.compose();
|
|
this.restore();
|
|
}
|
|
|
|
paintInlineImageXObjectGroup(imgData, map) {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
const w = imgData.width;
|
|
const h = imgData.height;
|
|
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
|
|
const tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData, this.current.transferMaps);
|
|
|
|
for (let i = 0, ii = map.length; i < ii; i++) {
|
|
const entry = map[i];
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, entry.transform);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
|
|
|
|
if (this.imageLayer) {
|
|
const position = this.getCanvasPosition(entry.x, entry.y);
|
|
this.imageLayer.appendImage({
|
|
imgData,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: w,
|
|
height: h
|
|
});
|
|
}
|
|
|
|
ctx.restore();
|
|
}
|
|
|
|
this.compose();
|
|
}
|
|
|
|
paintSolidColorImageMask() {
|
|
if (!this.contentVisible) {
|
|
return;
|
|
}
|
|
|
|
this.ctx.fillRect(0, 0, 1, 1);
|
|
this.compose();
|
|
}
|
|
|
|
markPoint(tag) {}
|
|
|
|
markPointProps(tag, properties) {}
|
|
|
|
beginMarkedContent(tag) {
|
|
this.markedContentStack.push({
|
|
visible: true
|
|
});
|
|
}
|
|
|
|
beginMarkedContentProps(tag, properties) {
|
|
if (tag === "OC") {
|
|
this.markedContentStack.push({
|
|
visible: this.optionalContentConfig.isVisible(properties)
|
|
});
|
|
} else {
|
|
this.markedContentStack.push({
|
|
visible: true
|
|
});
|
|
}
|
|
|
|
this.contentVisible = this.isContentVisible();
|
|
}
|
|
|
|
endMarkedContent() {
|
|
this.markedContentStack.pop();
|
|
this.contentVisible = this.isContentVisible();
|
|
}
|
|
|
|
beginCompat() {}
|
|
|
|
endCompat() {}
|
|
|
|
consumePath(clipBox) {
|
|
if (this.pendingClip) {
|
|
this.current.updateClipFromPath();
|
|
}
|
|
|
|
if (!this.pendingClip) {
|
|
this.compose(clipBox);
|
|
}
|
|
|
|
const ctx = this.ctx;
|
|
|
|
if (this.pendingClip) {
|
|
if (this.pendingClip === EO_CLIP) {
|
|
ctx.clip("evenodd");
|
|
} else {
|
|
ctx.clip();
|
|
}
|
|
|
|
this.pendingClip = null;
|
|
}
|
|
|
|
this.current.startNewPathAndClipBox(this.current.clipBox);
|
|
ctx.beginPath();
|
|
}
|
|
|
|
getSinglePixelWidth() {
|
|
if (this._cachedGetSinglePixelWidth === null) {
|
|
const m = this.ctx.mozCurrentTransform;
|
|
const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
|
|
const sqNorm1 = m[0] ** 2 + m[2] ** 2;
|
|
const sqNorm2 = m[1] ** 2 + m[3] ** 2;
|
|
const pixelHeight = Math.sqrt(Math.max(sqNorm1, sqNorm2)) / absDet;
|
|
|
|
if (sqNorm1 !== sqNorm2 && this._combinedScaleFactor * pixelHeight > 1) {
|
|
this._cachedGetSinglePixelWidth = -(this._combinedScaleFactor * pixelHeight);
|
|
} else if (absDet > Number.EPSILON) {
|
|
this._cachedGetSinglePixelWidth = pixelHeight;
|
|
} else {
|
|
this._cachedGetSinglePixelWidth = 1;
|
|
}
|
|
}
|
|
|
|
return this._cachedGetSinglePixelWidth;
|
|
}
|
|
|
|
getCanvasPosition(x, y) {
|
|
const transform = this.ctx.mozCurrentTransform;
|
|
return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
|
|
}
|
|
|
|
isContentVisible() {
|
|
for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
|
|
if (!this.markedContentStack[i].visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|
|
|
|
exports.CanvasGraphics = CanvasGraphics;
|
|
|
|
for (const op in _util.OPS) {
|
|
if (CanvasGraphics.prototype[op] !== undefined) {
|
|
CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
|
|
}
|
|
}
|
|
|
|
/***/ }),
|
|
/* 11 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.TilingPattern = exports.PathType = void 0;
|
|
exports.getShadingPattern = getShadingPattern;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
const PathType = {
|
|
FILL: "Fill",
|
|
STROKE: "Stroke",
|
|
SHADING: "Shading"
|
|
};
|
|
exports.PathType = PathType;
|
|
|
|
function applyBoundingBox(ctx, bbox) {
|
|
if (!bbox || typeof Path2D === "undefined") {
|
|
return;
|
|
}
|
|
|
|
const width = bbox[2] - bbox[0];
|
|
const height = bbox[3] - bbox[1];
|
|
const region = new Path2D();
|
|
region.rect(bbox[0], bbox[1], width, height);
|
|
ctx.clip(region);
|
|
}
|
|
|
|
class BaseShadingPattern {
|
|
constructor() {
|
|
if (this.constructor === BaseShadingPattern) {
|
|
(0, _util.unreachable)("Cannot initialize BaseShadingPattern.");
|
|
}
|
|
}
|
|
|
|
getPattern() {
|
|
(0, _util.unreachable)("Abstract method `getPattern` called.");
|
|
}
|
|
|
|
}
|
|
|
|
class RadialAxialShadingPattern extends BaseShadingPattern {
|
|
constructor(IR) {
|
|
super();
|
|
this._type = IR[1];
|
|
this._bbox = IR[2];
|
|
this._colorStops = IR[3];
|
|
this._p0 = IR[4];
|
|
this._p1 = IR[5];
|
|
this._r0 = IR[6];
|
|
this._r1 = IR[7];
|
|
this.matrix = null;
|
|
}
|
|
|
|
_createGradient(ctx) {
|
|
let grad;
|
|
|
|
if (this._type === "axial") {
|
|
grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
|
|
} else if (this._type === "radial") {
|
|
grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
|
|
}
|
|
|
|
for (const colorStop of this._colorStops) {
|
|
grad.addColorStop(colorStop[0], colorStop[1]);
|
|
}
|
|
|
|
return grad;
|
|
}
|
|
|
|
getPattern(ctx, owner, inverse, pathType) {
|
|
let pattern;
|
|
|
|
if (pathType === PathType.STROKE || pathType === PathType.FILL) {
|
|
const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, ctx.mozCurrentTransform) || [0, 0, 0, 0];
|
|
const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
|
|
const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
|
|
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height, true);
|
|
const tmpCtx = tmpCanvas.context;
|
|
tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
|
|
tmpCtx.beginPath();
|
|
tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
|
|
tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
|
|
inverse = _util.Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
|
|
tmpCtx.transform.apply(tmpCtx, owner.baseTransform);
|
|
|
|
if (this.matrix) {
|
|
tmpCtx.transform.apply(tmpCtx, this.matrix);
|
|
}
|
|
|
|
applyBoundingBox(tmpCtx, this._bbox);
|
|
tmpCtx.fillStyle = this._createGradient(tmpCtx);
|
|
tmpCtx.fill();
|
|
pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
|
|
const domMatrix = new DOMMatrix(inverse);
|
|
|
|
try {
|
|
pattern.setTransform(domMatrix);
|
|
} catch (ex) {
|
|
(0, _util.warn)(`RadialAxialShadingPattern.getPattern: "${ex?.message}".`);
|
|
}
|
|
} else {
|
|
applyBoundingBox(ctx, this._bbox);
|
|
pattern = this._createGradient(ctx);
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
|
|
}
|
|
|
|
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
|
|
const coords = context.coords,
|
|
colors = context.colors;
|
|
const bytes = data.data,
|
|
rowSize = data.width * 4;
|
|
let tmp;
|
|
|
|
if (coords[p1 + 1] > coords[p2 + 1]) {
|
|
tmp = p1;
|
|
p1 = p2;
|
|
p2 = tmp;
|
|
tmp = c1;
|
|
c1 = c2;
|
|
c2 = tmp;
|
|
}
|
|
|
|
if (coords[p2 + 1] > coords[p3 + 1]) {
|
|
tmp = p2;
|
|
p2 = p3;
|
|
p3 = tmp;
|
|
tmp = c2;
|
|
c2 = c3;
|
|
c3 = tmp;
|
|
}
|
|
|
|
if (coords[p1 + 1] > coords[p2 + 1]) {
|
|
tmp = p1;
|
|
p1 = p2;
|
|
p2 = tmp;
|
|
tmp = c1;
|
|
c1 = c2;
|
|
c2 = tmp;
|
|
}
|
|
|
|
const x1 = (coords[p1] + context.offsetX) * context.scaleX;
|
|
const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
|
|
const x2 = (coords[p2] + context.offsetX) * context.scaleX;
|
|
const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
|
|
const x3 = (coords[p3] + context.offsetX) * context.scaleX;
|
|
const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
|
|
|
|
if (y1 >= y3) {
|
|
return;
|
|
}
|
|
|
|
const c1r = colors[c1],
|
|
c1g = colors[c1 + 1],
|
|
c1b = colors[c1 + 2];
|
|
const c2r = colors[c2],
|
|
c2g = colors[c2 + 1],
|
|
c2b = colors[c2 + 2];
|
|
const c3r = colors[c3],
|
|
c3g = colors[c3 + 1],
|
|
c3b = colors[c3 + 2];
|
|
const minY = Math.round(y1),
|
|
maxY = Math.round(y3);
|
|
let xa, car, cag, cab;
|
|
let xb, cbr, cbg, cbb;
|
|
|
|
for (let y = minY; y <= maxY; y++) {
|
|
if (y < y2) {
|
|
let k;
|
|
|
|
if (y < y1) {
|
|
k = 0;
|
|
} else {
|
|
k = (y1 - y) / (y1 - y2);
|
|
}
|
|
|
|
xa = x1 - (x1 - x2) * k;
|
|
car = c1r - (c1r - c2r) * k;
|
|
cag = c1g - (c1g - c2g) * k;
|
|
cab = c1b - (c1b - c2b) * k;
|
|
} else {
|
|
let k;
|
|
|
|
if (y > y3) {
|
|
k = 1;
|
|
} else if (y2 === y3) {
|
|
k = 0;
|
|
} else {
|
|
k = (y2 - y) / (y2 - y3);
|
|
}
|
|
|
|
xa = x2 - (x2 - x3) * k;
|
|
car = c2r - (c2r - c3r) * k;
|
|
cag = c2g - (c2g - c3g) * k;
|
|
cab = c2b - (c2b - c3b) * k;
|
|
}
|
|
|
|
let k;
|
|
|
|
if (y < y1) {
|
|
k = 0;
|
|
} else if (y > y3) {
|
|
k = 1;
|
|
} else {
|
|
k = (y1 - y) / (y1 - y3);
|
|
}
|
|
|
|
xb = x1 - (x1 - x3) * k;
|
|
cbr = c1r - (c1r - c3r) * k;
|
|
cbg = c1g - (c1g - c3g) * k;
|
|
cbb = c1b - (c1b - c3b) * k;
|
|
const x1_ = Math.round(Math.min(xa, xb));
|
|
const x2_ = Math.round(Math.max(xa, xb));
|
|
let j = rowSize * y + x1_ * 4;
|
|
|
|
for (let x = x1_; x <= x2_; x++) {
|
|
k = (xa - x) / (xa - xb);
|
|
|
|
if (k < 0) {
|
|
k = 0;
|
|
} else if (k > 1) {
|
|
k = 1;
|
|
}
|
|
|
|
bytes[j++] = car - (car - cbr) * k | 0;
|
|
bytes[j++] = cag - (cag - cbg) * k | 0;
|
|
bytes[j++] = cab - (cab - cbb) * k | 0;
|
|
bytes[j++] = 255;
|
|
}
|
|
}
|
|
}
|
|
|
|
function drawFigure(data, figure, context) {
|
|
const ps = figure.coords;
|
|
const cs = figure.colors;
|
|
let i, ii;
|
|
|
|
switch (figure.type) {
|
|
case "lattice":
|
|
const verticesPerRow = figure.verticesPerRow;
|
|
const rows = Math.floor(ps.length / verticesPerRow) - 1;
|
|
const cols = verticesPerRow - 1;
|
|
|
|
for (i = 0; i < rows; i++) {
|
|
let q = i * verticesPerRow;
|
|
|
|
for (let j = 0; j < cols; j++, q++) {
|
|
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
|
|
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case "triangles":
|
|
for (i = 0, ii = ps.length; i < ii; i += 3) {
|
|
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
throw new Error("illegal figure");
|
|
}
|
|
}
|
|
|
|
class MeshShadingPattern extends BaseShadingPattern {
|
|
constructor(IR) {
|
|
super();
|
|
this._coords = IR[2];
|
|
this._colors = IR[3];
|
|
this._figures = IR[4];
|
|
this._bounds = IR[5];
|
|
this._bbox = IR[7];
|
|
this._background = IR[8];
|
|
this.matrix = null;
|
|
}
|
|
|
|
_createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
|
|
const EXPECTED_SCALE = 1.1;
|
|
const MAX_PATTERN_SIZE = 3000;
|
|
const BORDER_SIZE = 2;
|
|
const offsetX = Math.floor(this._bounds[0]);
|
|
const offsetY = Math.floor(this._bounds[1]);
|
|
const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
|
|
const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
|
|
const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
const scaleX = boundsWidth / width;
|
|
const scaleY = boundsHeight / height;
|
|
const context = {
|
|
coords: this._coords,
|
|
colors: this._colors,
|
|
offsetX: -offsetX,
|
|
offsetY: -offsetY,
|
|
scaleX: 1 / scaleX,
|
|
scaleY: 1 / scaleY
|
|
};
|
|
const paddedWidth = width + BORDER_SIZE * 2;
|
|
const paddedHeight = height + BORDER_SIZE * 2;
|
|
const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
|
|
const tmpCtx = tmpCanvas.context;
|
|
const data = tmpCtx.createImageData(width, height);
|
|
|
|
if (backgroundColor) {
|
|
const bytes = data.data;
|
|
|
|
for (let i = 0, ii = bytes.length; i < ii; i += 4) {
|
|
bytes[i] = backgroundColor[0];
|
|
bytes[i + 1] = backgroundColor[1];
|
|
bytes[i + 2] = backgroundColor[2];
|
|
bytes[i + 3] = 255;
|
|
}
|
|
}
|
|
|
|
for (const figure of this._figures) {
|
|
drawFigure(data, figure, context);
|
|
}
|
|
|
|
tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
|
|
const canvas = tmpCanvas.canvas;
|
|
return {
|
|
canvas,
|
|
offsetX: offsetX - BORDER_SIZE * scaleX,
|
|
offsetY: offsetY - BORDER_SIZE * scaleY,
|
|
scaleX,
|
|
scaleY
|
|
};
|
|
}
|
|
|
|
getPattern(ctx, owner, inverse, pathType) {
|
|
applyBoundingBox(ctx, this._bbox);
|
|
let scale;
|
|
|
|
if (pathType === PathType.SHADING) {
|
|
scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
|
|
} else {
|
|
scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
|
|
|
|
if (this.matrix) {
|
|
const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
|
|
|
|
scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
|
|
}
|
|
}
|
|
|
|
const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
|
|
|
|
if (pathType !== PathType.SHADING) {
|
|
ctx.setTransform.apply(ctx, owner.baseTransform);
|
|
|
|
if (this.matrix) {
|
|
ctx.transform.apply(ctx, this.matrix);
|
|
}
|
|
}
|
|
|
|
ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
|
|
ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
|
|
return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
|
|
}
|
|
|
|
}
|
|
|
|
class DummyShadingPattern extends BaseShadingPattern {
|
|
getPattern() {
|
|
return "hotpink";
|
|
}
|
|
|
|
}
|
|
|
|
function getShadingPattern(IR) {
|
|
switch (IR[0]) {
|
|
case "RadialAxial":
|
|
return new RadialAxialShadingPattern(IR);
|
|
|
|
case "Mesh":
|
|
return new MeshShadingPattern(IR);
|
|
|
|
case "Dummy":
|
|
return new DummyShadingPattern();
|
|
}
|
|
|
|
throw new Error(`Unknown IR type: ${IR[0]}`);
|
|
}
|
|
|
|
const PaintType = {
|
|
COLORED: 1,
|
|
UNCOLORED: 2
|
|
};
|
|
|
|
class TilingPattern {
|
|
static get MAX_PATTERN_SIZE() {
|
|
return (0, _util.shadow)(this, "MAX_PATTERN_SIZE", 3000);
|
|
}
|
|
|
|
constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
|
|
this.operatorList = IR[2];
|
|
this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
|
|
this.bbox = IR[4];
|
|
this.xstep = IR[5];
|
|
this.ystep = IR[6];
|
|
this.paintType = IR[7];
|
|
this.tilingType = IR[8];
|
|
this.color = color;
|
|
this.ctx = ctx;
|
|
this.canvasGraphicsFactory = canvasGraphicsFactory;
|
|
this.baseTransform = baseTransform;
|
|
}
|
|
|
|
createPatternCanvas(owner) {
|
|
const operatorList = this.operatorList;
|
|
const bbox = this.bbox;
|
|
const xstep = this.xstep;
|
|
const ystep = this.ystep;
|
|
const paintType = this.paintType;
|
|
const tilingType = this.tilingType;
|
|
const color = this.color;
|
|
const canvasGraphicsFactory = this.canvasGraphicsFactory;
|
|
(0, _util.info)("TilingType: " + tilingType);
|
|
const x0 = bbox[0],
|
|
y0 = bbox[1],
|
|
x1 = bbox[2],
|
|
y1 = bbox[3];
|
|
|
|
const matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
|
|
|
|
const curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
|
|
|
|
const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
|
|
const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
|
|
const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
|
|
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
|
|
const tmpCtx = tmpCanvas.context;
|
|
const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
|
|
graphics.groupLevel = owner.groupLevel;
|
|
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
|
|
let adjustedX0 = x0;
|
|
let adjustedY0 = y0;
|
|
let adjustedX1 = x1;
|
|
let adjustedY1 = y1;
|
|
|
|
if (x0 < 0) {
|
|
adjustedX0 = 0;
|
|
adjustedX1 += Math.abs(x0);
|
|
}
|
|
|
|
if (y0 < 0) {
|
|
adjustedY0 = 0;
|
|
adjustedY1 += Math.abs(y0);
|
|
}
|
|
|
|
tmpCtx.translate(-(dimx.scale * adjustedX0), -(dimy.scale * adjustedY0));
|
|
graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
|
|
tmpCtx.save();
|
|
this.clipBbox(graphics, adjustedX0, adjustedY0, adjustedX1, adjustedY1);
|
|
graphics.baseTransform = graphics.ctx.mozCurrentTransform.slice();
|
|
graphics.executeOperatorList(operatorList);
|
|
graphics.endDrawing();
|
|
return {
|
|
canvas: tmpCanvas.canvas,
|
|
scaleX: dimx.scale,
|
|
scaleY: dimy.scale,
|
|
offsetX: adjustedX0,
|
|
offsetY: adjustedY0
|
|
};
|
|
}
|
|
|
|
getSizeAndScale(step, realOutputSize, scale) {
|
|
step = Math.abs(step);
|
|
const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
|
|
let size = Math.ceil(step * scale);
|
|
|
|
if (size >= maxSize) {
|
|
size = maxSize;
|
|
} else {
|
|
scale = size / step;
|
|
}
|
|
|
|
return {
|
|
scale,
|
|
size
|
|
};
|
|
}
|
|
|
|
clipBbox(graphics, x0, y0, x1, y1) {
|
|
const bboxWidth = x1 - x0;
|
|
const bboxHeight = y1 - y0;
|
|
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
|
|
graphics.clip();
|
|
graphics.endPath();
|
|
}
|
|
|
|
setFillAndStrokeStyleToContext(graphics, paintType, color) {
|
|
const context = graphics.ctx,
|
|
current = graphics.current;
|
|
|
|
switch (paintType) {
|
|
case PaintType.COLORED:
|
|
const ctx = this.ctx;
|
|
context.fillStyle = ctx.fillStyle;
|
|
context.strokeStyle = ctx.strokeStyle;
|
|
current.fillColor = ctx.fillStyle;
|
|
current.strokeColor = ctx.strokeStyle;
|
|
break;
|
|
|
|
case PaintType.UNCOLORED:
|
|
const cssColor = _util.Util.makeHexColor(color[0], color[1], color[2]);
|
|
|
|
context.fillStyle = cssColor;
|
|
context.strokeStyle = cssColor;
|
|
current.fillColor = cssColor;
|
|
current.strokeColor = cssColor;
|
|
break;
|
|
|
|
default:
|
|
throw new _util.FormatError(`Unsupported paint type: ${paintType}`);
|
|
}
|
|
}
|
|
|
|
getPattern(ctx, owner, inverse, pathType) {
|
|
let matrix = inverse;
|
|
|
|
if (pathType !== PathType.SHADING) {
|
|
matrix = _util.Util.transform(matrix, owner.baseTransform);
|
|
|
|
if (this.matrix) {
|
|
matrix = _util.Util.transform(matrix, this.matrix);
|
|
}
|
|
}
|
|
|
|
const temporaryPatternCanvas = this.createPatternCanvas(owner);
|
|
let domMatrix = new DOMMatrix(matrix);
|
|
domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
|
|
domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
|
|
const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
|
|
|
|
try {
|
|
pattern.setTransform(domMatrix);
|
|
} catch (ex) {
|
|
(0, _util.warn)(`TilingPattern.getPattern: "${ex?.message}".`);
|
|
}
|
|
|
|
return pattern;
|
|
}
|
|
|
|
}
|
|
|
|
exports.TilingPattern = TilingPattern;
|
|
|
|
/***/ }),
|
|
/* 12 */
|
|
/***/ ((__unused_webpack_module, exports) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.GlobalWorkerOptions = void 0;
|
|
const GlobalWorkerOptions = Object.create(null);
|
|
exports.GlobalWorkerOptions = GlobalWorkerOptions;
|
|
GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
|
|
GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? "" : GlobalWorkerOptions.workerSrc;
|
|
|
|
/***/ }),
|
|
/* 13 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.MessageHandler = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
const CallbackKind = {
|
|
UNKNOWN: 0,
|
|
DATA: 1,
|
|
ERROR: 2
|
|
};
|
|
const StreamKind = {
|
|
UNKNOWN: 0,
|
|
CANCEL: 1,
|
|
CANCEL_COMPLETE: 2,
|
|
CLOSE: 3,
|
|
ENQUEUE: 4,
|
|
ERROR: 5,
|
|
PULL: 6,
|
|
PULL_COMPLETE: 7,
|
|
START_COMPLETE: 8
|
|
};
|
|
|
|
function wrapReason(reason) {
|
|
if (!(reason instanceof Error || typeof reason === "object" && reason !== null)) {
|
|
(0, _util.unreachable)('wrapReason: Expected "reason" to be a (possibly cloned) Error.');
|
|
}
|
|
|
|
switch (reason.name) {
|
|
case "AbortException":
|
|
return new _util.AbortException(reason.message);
|
|
|
|
case "MissingPDFException":
|
|
return new _util.MissingPDFException(reason.message);
|
|
|
|
case "PasswordException":
|
|
return new _util.PasswordException(reason.message, reason.code);
|
|
|
|
case "UnexpectedResponseException":
|
|
return new _util.UnexpectedResponseException(reason.message, reason.status);
|
|
|
|
case "UnknownErrorException":
|
|
return new _util.UnknownErrorException(reason.message, reason.details);
|
|
|
|
default:
|
|
return new _util.UnknownErrorException(reason.message, reason.toString());
|
|
}
|
|
}
|
|
|
|
class MessageHandler {
|
|
constructor(sourceName, targetName, comObj) {
|
|
this.sourceName = sourceName;
|
|
this.targetName = targetName;
|
|
this.comObj = comObj;
|
|
this.callbackId = 1;
|
|
this.streamId = 1;
|
|
this.streamSinks = Object.create(null);
|
|
this.streamControllers = Object.create(null);
|
|
this.callbackCapabilities = Object.create(null);
|
|
this.actionHandler = Object.create(null);
|
|
|
|
this._onComObjOnMessage = event => {
|
|
const data = event.data;
|
|
|
|
if (data.targetName !== this.sourceName) {
|
|
return;
|
|
}
|
|
|
|
if (data.stream) {
|
|
this._processStreamMessage(data);
|
|
|
|
return;
|
|
}
|
|
|
|
if (data.callback) {
|
|
const callbackId = data.callbackId;
|
|
const capability = this.callbackCapabilities[callbackId];
|
|
|
|
if (!capability) {
|
|
throw new Error(`Cannot resolve callback ${callbackId}`);
|
|
}
|
|
|
|
delete this.callbackCapabilities[callbackId];
|
|
|
|
if (data.callback === CallbackKind.DATA) {
|
|
capability.resolve(data.data);
|
|
} else if (data.callback === CallbackKind.ERROR) {
|
|
capability.reject(wrapReason(data.reason));
|
|
} else {
|
|
throw new Error("Unexpected callback case");
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
const action = this.actionHandler[data.action];
|
|
|
|
if (!action) {
|
|
throw new Error(`Unknown action from worker: ${data.action}`);
|
|
}
|
|
|
|
if (data.callbackId) {
|
|
const cbSourceName = this.sourceName;
|
|
const cbTargetName = data.sourceName;
|
|
new Promise(function (resolve) {
|
|
resolve(action(data.data));
|
|
}).then(function (result) {
|
|
comObj.postMessage({
|
|
sourceName: cbSourceName,
|
|
targetName: cbTargetName,
|
|
callback: CallbackKind.DATA,
|
|
callbackId: data.callbackId,
|
|
data: result
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName: cbSourceName,
|
|
targetName: cbTargetName,
|
|
callback: CallbackKind.ERROR,
|
|
callbackId: data.callbackId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (data.streamId) {
|
|
this._createStreamSink(data);
|
|
|
|
return;
|
|
}
|
|
|
|
action(data.data);
|
|
};
|
|
|
|
comObj.addEventListener("message", this._onComObjOnMessage);
|
|
}
|
|
|
|
on(actionName, handler) {
|
|
const ah = this.actionHandler;
|
|
|
|
if (ah[actionName]) {
|
|
throw new Error(`There is already an actionName called "${actionName}"`);
|
|
}
|
|
|
|
ah[actionName] = handler;
|
|
}
|
|
|
|
send(actionName, data, transfers) {
|
|
this.comObj.postMessage({
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data
|
|
}, transfers);
|
|
}
|
|
|
|
sendWithPromise(actionName, data, transfers) {
|
|
const callbackId = this.callbackId++;
|
|
const capability = (0, _util.createPromiseCapability)();
|
|
this.callbackCapabilities[callbackId] = capability;
|
|
|
|
try {
|
|
this.comObj.postMessage({
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
callbackId,
|
|
data
|
|
}, transfers);
|
|
} catch (ex) {
|
|
capability.reject(ex);
|
|
}
|
|
|
|
return capability.promise;
|
|
}
|
|
|
|
sendWithStream(actionName, data, queueingStrategy, transfers) {
|
|
const streamId = this.streamId++,
|
|
sourceName = this.sourceName,
|
|
targetName = this.targetName,
|
|
comObj = this.comObj;
|
|
return new ReadableStream({
|
|
start: controller => {
|
|
const startCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId] = {
|
|
controller,
|
|
startCall: startCapability,
|
|
pullCall: null,
|
|
cancelCall: null,
|
|
isClosed: false
|
|
};
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
action: actionName,
|
|
streamId,
|
|
data,
|
|
desiredSize: controller.desiredSize
|
|
}, transfers);
|
|
return startCapability.promise;
|
|
},
|
|
pull: controller => {
|
|
const pullCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].pullCall = pullCapability;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL,
|
|
streamId,
|
|
desiredSize: controller.desiredSize
|
|
});
|
|
return pullCapability.promise;
|
|
},
|
|
cancel: reason => {
|
|
(0, _util.assert)(reason instanceof Error, "cancel must have a valid reason");
|
|
const cancelCapability = (0, _util.createPromiseCapability)();
|
|
this.streamControllers[streamId].cancelCall = cancelCapability;
|
|
this.streamControllers[streamId].isClosed = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
return cancelCapability.promise;
|
|
}
|
|
}, queueingStrategy);
|
|
}
|
|
|
|
_createStreamSink(data) {
|
|
const streamId = data.streamId,
|
|
sourceName = this.sourceName,
|
|
targetName = data.sourceName,
|
|
comObj = this.comObj;
|
|
const self = this,
|
|
action = this.actionHandler[data.action];
|
|
const streamSink = {
|
|
enqueue(chunk, size = 1, transfers) {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
const lastDesiredSize = this.desiredSize;
|
|
this.desiredSize -= size;
|
|
|
|
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
|
|
this.sinkCapability = (0, _util.createPromiseCapability)();
|
|
this.ready = this.sinkCapability.promise;
|
|
}
|
|
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.ENQUEUE,
|
|
streamId,
|
|
chunk
|
|
}, transfers);
|
|
},
|
|
|
|
close() {
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
this.isCancelled = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CLOSE,
|
|
streamId
|
|
});
|
|
delete self.streamSinks[streamId];
|
|
},
|
|
|
|
error(reason) {
|
|
(0, _util.assert)(reason instanceof Error, "error must have a valid reason");
|
|
|
|
if (this.isCancelled) {
|
|
return;
|
|
}
|
|
|
|
this.isCancelled = true;
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.ERROR,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
},
|
|
|
|
sinkCapability: (0, _util.createPromiseCapability)(),
|
|
onPull: null,
|
|
onCancel: null,
|
|
isCancelled: false,
|
|
desiredSize: data.desiredSize,
|
|
ready: null
|
|
};
|
|
streamSink.sinkCapability.resolve();
|
|
streamSink.ready = streamSink.sinkCapability.promise;
|
|
this.streamSinks[streamId] = streamSink;
|
|
new Promise(function (resolve) {
|
|
resolve(action(data.data, streamSink));
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.START_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.START_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
}
|
|
|
|
_processStreamMessage(data) {
|
|
const streamId = data.streamId,
|
|
sourceName = this.sourceName,
|
|
targetName = data.sourceName,
|
|
comObj = this.comObj;
|
|
const streamController = this.streamControllers[streamId],
|
|
streamSink = this.streamSinks[streamId];
|
|
|
|
switch (data.stream) {
|
|
case StreamKind.START_COMPLETE:
|
|
if (data.success) {
|
|
streamController.startCall.resolve();
|
|
} else {
|
|
streamController.startCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
break;
|
|
|
|
case StreamKind.PULL_COMPLETE:
|
|
if (data.success) {
|
|
streamController.pullCall.resolve();
|
|
} else {
|
|
streamController.pullCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
break;
|
|
|
|
case StreamKind.PULL:
|
|
if (!streamSink) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
break;
|
|
}
|
|
|
|
if (streamSink.desiredSize <= 0 && data.desiredSize > 0) {
|
|
streamSink.sinkCapability.resolve();
|
|
}
|
|
|
|
streamSink.desiredSize = data.desiredSize;
|
|
new Promise(function (resolve) {
|
|
resolve(streamSink.onPull && streamSink.onPull());
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.PULL_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
break;
|
|
|
|
case StreamKind.ENQUEUE:
|
|
(0, _util.assert)(streamController, "enqueue should have stream controller");
|
|
|
|
if (streamController.isClosed) {
|
|
break;
|
|
}
|
|
|
|
streamController.controller.enqueue(data.chunk);
|
|
break;
|
|
|
|
case StreamKind.CLOSE:
|
|
(0, _util.assert)(streamController, "close should have stream controller");
|
|
|
|
if (streamController.isClosed) {
|
|
break;
|
|
}
|
|
|
|
streamController.isClosed = true;
|
|
streamController.controller.close();
|
|
|
|
this._deleteStreamController(streamController, streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.ERROR:
|
|
(0, _util.assert)(streamController, "error should have stream controller");
|
|
streamController.controller.error(wrapReason(data.reason));
|
|
|
|
this._deleteStreamController(streamController, streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.CANCEL_COMPLETE:
|
|
if (data.success) {
|
|
streamController.cancelCall.resolve();
|
|
} else {
|
|
streamController.cancelCall.reject(wrapReason(data.reason));
|
|
}
|
|
|
|
this._deleteStreamController(streamController, streamId);
|
|
|
|
break;
|
|
|
|
case StreamKind.CANCEL:
|
|
if (!streamSink) {
|
|
break;
|
|
}
|
|
|
|
new Promise(function (resolve) {
|
|
resolve(streamSink.onCancel && streamSink.onCancel(wrapReason(data.reason)));
|
|
}).then(function () {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL_COMPLETE,
|
|
streamId,
|
|
success: true
|
|
});
|
|
}, function (reason) {
|
|
comObj.postMessage({
|
|
sourceName,
|
|
targetName,
|
|
stream: StreamKind.CANCEL_COMPLETE,
|
|
streamId,
|
|
reason: wrapReason(reason)
|
|
});
|
|
});
|
|
streamSink.sinkCapability.reject(wrapReason(data.reason));
|
|
streamSink.isCancelled = true;
|
|
delete this.streamSinks[streamId];
|
|
break;
|
|
|
|
default:
|
|
throw new Error("Unexpected stream case");
|
|
}
|
|
}
|
|
|
|
async _deleteStreamController(streamController, streamId) {
|
|
await Promise.allSettled([streamController.startCall && streamController.startCall.promise, streamController.pullCall && streamController.pullCall.promise, streamController.cancelCall && streamController.cancelCall.promise]);
|
|
delete this.streamControllers[streamId];
|
|
}
|
|
|
|
destroy() {
|
|
this.comObj.removeEventListener("message", this._onComObjOnMessage);
|
|
}
|
|
|
|
}
|
|
|
|
exports.MessageHandler = MessageHandler;
|
|
|
|
/***/ }),
|
|
/* 14 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.Metadata = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class Metadata {
|
|
#metadataMap;
|
|
#data;
|
|
|
|
constructor({
|
|
parsedData,
|
|
rawData
|
|
}) {
|
|
this.#metadataMap = parsedData;
|
|
this.#data = rawData;
|
|
}
|
|
|
|
getRaw() {
|
|
return this.#data;
|
|
}
|
|
|
|
get(name) {
|
|
return this.#metadataMap.get(name) ?? null;
|
|
}
|
|
|
|
getAll() {
|
|
return (0, _util.objectFromMap)(this.#metadataMap);
|
|
}
|
|
|
|
has(name) {
|
|
return this.#metadataMap.has(name);
|
|
}
|
|
|
|
}
|
|
|
|
exports.Metadata = Metadata;
|
|
|
|
/***/ }),
|
|
/* 15 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.OptionalContentConfig = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
class OptionalContentGroup {
|
|
constructor(name, intent) {
|
|
this.visible = true;
|
|
this.name = name;
|
|
this.intent = intent;
|
|
}
|
|
|
|
}
|
|
|
|
class OptionalContentConfig {
|
|
constructor(data) {
|
|
this.name = null;
|
|
this.creator = null;
|
|
this._order = null;
|
|
this._groups = new Map();
|
|
|
|
if (data === null) {
|
|
return;
|
|
}
|
|
|
|
this.name = data.name;
|
|
this.creator = data.creator;
|
|
this._order = data.order;
|
|
|
|
for (const group of data.groups) {
|
|
this._groups.set(group.id, new OptionalContentGroup(group.name, group.intent));
|
|
}
|
|
|
|
if (data.baseState === "OFF") {
|
|
for (const group of this._groups) {
|
|
group.visible = false;
|
|
}
|
|
}
|
|
|
|
for (const on of data.on) {
|
|
this._groups.get(on).visible = true;
|
|
}
|
|
|
|
for (const off of data.off) {
|
|
this._groups.get(off).visible = false;
|
|
}
|
|
}
|
|
|
|
_evaluateVisibilityExpression(array) {
|
|
const length = array.length;
|
|
|
|
if (length < 2) {
|
|
return true;
|
|
}
|
|
|
|
const operator = array[0];
|
|
|
|
for (let i = 1; i < length; i++) {
|
|
const element = array[i];
|
|
let state;
|
|
|
|
if (Array.isArray(element)) {
|
|
state = this._evaluateVisibilityExpression(element);
|
|
} else if (this._groups.has(element)) {
|
|
state = this._groups.get(element).visible;
|
|
} else {
|
|
(0, _util.warn)(`Optional content group not found: ${element}`);
|
|
return true;
|
|
}
|
|
|
|
switch (operator) {
|
|
case "And":
|
|
if (!state) {
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case "Or":
|
|
if (state) {
|
|
return true;
|
|
}
|
|
|
|
break;
|
|
|
|
case "Not":
|
|
return !state;
|
|
|
|
default:
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return operator === "And";
|
|
}
|
|
|
|
isVisible(group) {
|
|
if (this._groups.size === 0) {
|
|
return true;
|
|
}
|
|
|
|
if (!group) {
|
|
(0, _util.warn)("Optional content group not defined.");
|
|
return true;
|
|
}
|
|
|
|
if (group.type === "OCG") {
|
|
if (!this._groups.has(group.id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${group.id}`);
|
|
return true;
|
|
}
|
|
|
|
return this._groups.get(group.id).visible;
|
|
} else if (group.type === "OCMD") {
|
|
if (group.expression) {
|
|
return this._evaluateVisibilityExpression(group.expression);
|
|
}
|
|
|
|
if (!group.policy || group.policy === "AnyOn") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (this._groups.get(id).visible) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} else if (group.policy === "AllOn") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (!this._groups.get(id).visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
} else if (group.policy === "AnyOff") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (!this._groups.get(id).visible) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
} else if (group.policy === "AllOff") {
|
|
for (const id of group.ids) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return true;
|
|
}
|
|
|
|
if (this._groups.get(id).visible) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
(0, _util.warn)(`Unknown optional content policy ${group.policy}.`);
|
|
return true;
|
|
}
|
|
|
|
(0, _util.warn)(`Unknown group type ${group.type}.`);
|
|
return true;
|
|
}
|
|
|
|
setVisibility(id, visible = true) {
|
|
if (!this._groups.has(id)) {
|
|
(0, _util.warn)(`Optional content group not found: ${id}`);
|
|
return;
|
|
}
|
|
|
|
this._groups.get(id).visible = !!visible;
|
|
}
|
|
|
|
getOrder() {
|
|
if (!this._groups.size) {
|
|
return null;
|
|
}
|
|
|
|
if (this._order) {
|
|
return this._order.slice();
|
|
}
|
|
|
|
return Array.from(this._groups.keys());
|
|
}
|
|
|
|
getGroups() {
|
|
return this._groups.size > 0 ? (0, _util.objectFromMap)(this._groups) : null;
|
|
}
|
|
|
|
getGroup(id) {
|
|
return this._groups.get(id) || null;
|
|
}
|
|
|
|
}
|
|
|
|
exports.OptionalContentConfig = OptionalContentConfig;
|
|
|
|
/***/ }),
|
|
/* 16 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.PDFDataTransportStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
class PDFDataTransportStream {
|
|
constructor(params, pdfDataRangeTransport) {
|
|
(0, _util.assert)(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
|
|
this._queuedChunks = [];
|
|
this._progressiveDone = params.progressiveDone || false;
|
|
this._contentDispositionFilename = params.contentDispositionFilename || null;
|
|
const initialData = params.initialData;
|
|
|
|
if (initialData?.length > 0) {
|
|
const buffer = new Uint8Array(initialData).buffer;
|
|
|
|
this._queuedChunks.push(buffer);
|
|
}
|
|
|
|
this._pdfDataRangeTransport = pdfDataRangeTransport;
|
|
this._isStreamingSupported = !params.disableStream;
|
|
this._isRangeSupported = !params.disableRange;
|
|
this._contentLength = params.length;
|
|
this._fullRequestReader = null;
|
|
this._rangeReaders = [];
|
|
|
|
this._pdfDataRangeTransport.addRangeListener((begin, chunk) => {
|
|
this._onReceiveData({
|
|
begin,
|
|
chunk
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressListener((loaded, total) => {
|
|
this._onProgress({
|
|
loaded,
|
|
total
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressiveReadListener(chunk => {
|
|
this._onReceiveData({
|
|
chunk
|
|
});
|
|
});
|
|
|
|
this._pdfDataRangeTransport.addProgressiveDoneListener(() => {
|
|
this._onProgressiveDone();
|
|
});
|
|
|
|
this._pdfDataRangeTransport.transportReady();
|
|
}
|
|
|
|
_onReceiveData(args) {
|
|
const buffer = new Uint8Array(args.chunk).buffer;
|
|
|
|
if (args.begin === undefined) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader._enqueue(buffer);
|
|
} else {
|
|
this._queuedChunks.push(buffer);
|
|
}
|
|
} else {
|
|
const found = this._rangeReaders.some(function (rangeReader) {
|
|
if (rangeReader._begin !== args.begin) {
|
|
return false;
|
|
}
|
|
|
|
rangeReader._enqueue(buffer);
|
|
|
|
return true;
|
|
});
|
|
|
|
(0, _util.assert)(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
|
|
}
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader?._loaded ?? 0;
|
|
}
|
|
|
|
_onProgress(evt) {
|
|
if (evt.total === undefined) {
|
|
const firstReader = this._rangeReaders[0];
|
|
|
|
if (firstReader?.onProgress) {
|
|
firstReader.onProgress({
|
|
loaded: evt.loaded
|
|
});
|
|
}
|
|
} else {
|
|
const fullReader = this._fullRequestReader;
|
|
|
|
if (fullReader?.onProgress) {
|
|
fullReader.onProgress({
|
|
loaded: evt.loaded,
|
|
total: evt.total
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
_onProgressiveDone() {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.progressiveDone();
|
|
}
|
|
|
|
this._progressiveDone = true;
|
|
}
|
|
|
|
_removeRangeReader(reader) {
|
|
const i = this._rangeReaders.indexOf(reader);
|
|
|
|
if (i >= 0) {
|
|
this._rangeReaders.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
|
|
const queuedChunks = this._queuedChunks;
|
|
this._queuedChunks = null;
|
|
return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
|
|
|
|
this._pdfDataRangeTransport.requestDataRange(begin, end);
|
|
|
|
this._rangeReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
for (const reader of this._rangeReaders.slice(0)) {
|
|
reader.cancel(reason);
|
|
}
|
|
|
|
this._pdfDataRangeTransport.abort();
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFDataTransportStream = PDFDataTransportStream;
|
|
|
|
class PDFDataTransportStreamReader {
|
|
constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
|
|
this._stream = stream;
|
|
this._done = progressiveDone || false;
|
|
this._filename = (0, _display_utils.isPdfFile)(contentDispositionFilename) ? contentDispositionFilename : null;
|
|
this._queuedChunks = queuedChunks || [];
|
|
this._loaded = 0;
|
|
|
|
for (const chunk of this._queuedChunks) {
|
|
this._loaded += chunk.byteLength;
|
|
}
|
|
|
|
this._requests = [];
|
|
this._headersReady = Promise.resolve();
|
|
stream._fullRequestReader = this;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._queuedChunks.push(chunk);
|
|
}
|
|
|
|
this._loaded += chunk.byteLength;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersReady;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._stream._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._stream._isStreamingSupported;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._stream._contentLength;
|
|
}
|
|
|
|
async read() {
|
|
if (this._queuedChunks.length > 0) {
|
|
const chunk = this._queuedChunks.shift();
|
|
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
}
|
|
|
|
progressiveDone() {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
this._done = true;
|
|
}
|
|
|
|
}
|
|
|
|
class PDFDataTransportStreamRangeReader {
|
|
constructor(stream, begin, end) {
|
|
this._stream = stream;
|
|
this._begin = begin;
|
|
this._end = end;
|
|
this._queuedChunk = null;
|
|
this._requests = [];
|
|
this._done = false;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_enqueue(chunk) {
|
|
if (this._done) {
|
|
return;
|
|
}
|
|
|
|
if (this._requests.length === 0) {
|
|
this._queuedChunk = chunk;
|
|
} else {
|
|
const requestsCapability = this._requests.shift();
|
|
|
|
requestsCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
this._stream._removeRangeReader(this);
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return false;
|
|
}
|
|
|
|
async read() {
|
|
if (this._queuedChunk) {
|
|
const chunk = this._queuedChunk;
|
|
this._queuedChunk = null;
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
|
|
this._stream._removeRangeReader(this);
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 17 */
|
|
/***/ ((__unused_webpack_module, exports) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.XfaText = void 0;
|
|
|
|
class XfaText {
|
|
static textContent(xfa) {
|
|
const items = [];
|
|
const output = {
|
|
items,
|
|
styles: Object.create(null)
|
|
};
|
|
|
|
function walk(node) {
|
|
if (!node) {
|
|
return;
|
|
}
|
|
|
|
let str = null;
|
|
const name = node.name;
|
|
|
|
if (name === "#text") {
|
|
str = node.value;
|
|
} else if (!XfaText.shouldBuildText(name)) {
|
|
return;
|
|
} else if (node?.attributes?.textContent) {
|
|
str = node.attributes.textContent;
|
|
} else if (node.value) {
|
|
str = node.value;
|
|
}
|
|
|
|
if (str !== null) {
|
|
items.push({
|
|
str
|
|
});
|
|
}
|
|
|
|
if (!node.children) {
|
|
return;
|
|
}
|
|
|
|
for (const child of node.children) {
|
|
walk(child);
|
|
}
|
|
}
|
|
|
|
walk(xfa);
|
|
return output;
|
|
}
|
|
|
|
static shouldBuildText(name) {
|
|
return !(name === "textarea" || name === "input" || name === "option" || name === "select");
|
|
}
|
|
|
|
}
|
|
|
|
exports.XfaText = XfaText;
|
|
|
|
/***/ }),
|
|
/* 18 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.AnnotationLayer = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
var _annotation_storage = __w_pdfjs_require__(9);
|
|
|
|
var _scripting_utils = __w_pdfjs_require__(19);
|
|
|
|
var _xfa_layer = __w_pdfjs_require__(20);
|
|
|
|
const DEFAULT_TAB_INDEX = 1000;
|
|
const GetElementsByNameSet = new WeakSet();
|
|
|
|
function getRectDims(rect) {
|
|
return {
|
|
width: rect[2] - rect[0],
|
|
height: rect[3] - rect[1]
|
|
};
|
|
}
|
|
|
|
class AnnotationElementFactory {
|
|
static create(parameters) {
|
|
const subtype = parameters.data.annotationType;
|
|
|
|
switch (subtype) {
|
|
case _util.AnnotationType.LINK:
|
|
return new LinkAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.TEXT:
|
|
return new TextAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.WIDGET:
|
|
const fieldType = parameters.data.fieldType;
|
|
|
|
switch (fieldType) {
|
|
case "Tx":
|
|
return new TextWidgetAnnotationElement(parameters);
|
|
|
|
case "Btn":
|
|
if (parameters.data.radioButton) {
|
|
return new RadioButtonWidgetAnnotationElement(parameters);
|
|
} else if (parameters.data.checkBox) {
|
|
return new CheckboxWidgetAnnotationElement(parameters);
|
|
}
|
|
|
|
return new PushButtonWidgetAnnotationElement(parameters);
|
|
|
|
case "Ch":
|
|
return new ChoiceWidgetAnnotationElement(parameters);
|
|
}
|
|
|
|
return new WidgetAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POPUP:
|
|
return new PopupAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.FREETEXT:
|
|
return new FreeTextAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.LINE:
|
|
return new LineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.SQUARE:
|
|
return new SquareAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.CIRCLE:
|
|
return new CircleAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POLYLINE:
|
|
return new PolylineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.CARET:
|
|
return new CaretAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.INK:
|
|
return new InkAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.POLYGON:
|
|
return new PolygonAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.HIGHLIGHT:
|
|
return new HighlightAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.UNDERLINE:
|
|
return new UnderlineAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.SQUIGGLY:
|
|
return new SquigglyAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.STRIKEOUT:
|
|
return new StrikeOutAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.STAMP:
|
|
return new StampAnnotationElement(parameters);
|
|
|
|
case _util.AnnotationType.FILEATTACHMENT:
|
|
return new FileAttachmentAnnotationElement(parameters);
|
|
|
|
default:
|
|
return new AnnotationElement(parameters);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class AnnotationElement {
|
|
constructor(parameters, {
|
|
isRenderable = false,
|
|
ignoreBorder = false,
|
|
createQuadrilaterals = false
|
|
} = {}) {
|
|
this.isRenderable = isRenderable;
|
|
this.data = parameters.data;
|
|
this.layer = parameters.layer;
|
|
this.page = parameters.page;
|
|
this.viewport = parameters.viewport;
|
|
this.linkService = parameters.linkService;
|
|
this.downloadManager = parameters.downloadManager;
|
|
this.imageResourcesPath = parameters.imageResourcesPath;
|
|
this.renderForms = parameters.renderForms;
|
|
this.svgFactory = parameters.svgFactory;
|
|
this.annotationStorage = parameters.annotationStorage;
|
|
this.enableScripting = parameters.enableScripting;
|
|
this.hasJSActions = parameters.hasJSActions;
|
|
this._fieldObjects = parameters.fieldObjects;
|
|
this._mouseState = parameters.mouseState;
|
|
|
|
if (isRenderable) {
|
|
this.container = this._createContainer(ignoreBorder);
|
|
}
|
|
|
|
if (createQuadrilaterals) {
|
|
this.quadrilaterals = this._createQuadrilaterals(ignoreBorder);
|
|
}
|
|
}
|
|
|
|
_createContainer(ignoreBorder = false) {
|
|
const data = this.data,
|
|
page = this.page,
|
|
viewport = this.viewport;
|
|
const container = document.createElement("section");
|
|
let {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
container.setAttribute("data-annotation-id", data.id);
|
|
|
|
const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
|
|
|
|
if (data.hasOwnCanvas) {
|
|
const transform = viewport.transform.slice();
|
|
|
|
const [scaleX, scaleY] = _util.Util.singularValueDecompose2dScale(transform);
|
|
|
|
width = Math.ceil(width * scaleX);
|
|
height = Math.ceil(height * scaleY);
|
|
rect[0] *= scaleX;
|
|
rect[1] *= scaleY;
|
|
|
|
for (let i = 0; i < 4; i++) {
|
|
transform[i] = Math.sign(transform[i]);
|
|
}
|
|
|
|
container.style.transform = `matrix(${transform.join(",")})`;
|
|
} else {
|
|
container.style.transform = `matrix(${viewport.transform.join(",")})`;
|
|
}
|
|
|
|
container.style.transformOrigin = `${-rect[0]}px ${-rect[1]}px`;
|
|
|
|
if (!ignoreBorder && data.borderStyle.width > 0) {
|
|
container.style.borderWidth = `${data.borderStyle.width}px`;
|
|
|
|
if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
|
|
width -= 2 * data.borderStyle.width;
|
|
height -= 2 * data.borderStyle.width;
|
|
}
|
|
|
|
const horizontalRadius = data.borderStyle.horizontalCornerRadius;
|
|
const verticalRadius = data.borderStyle.verticalCornerRadius;
|
|
|
|
if (horizontalRadius > 0 || verticalRadius > 0) {
|
|
const radius = `${horizontalRadius}px / ${verticalRadius}px`;
|
|
container.style.borderRadius = radius;
|
|
}
|
|
|
|
switch (data.borderStyle.style) {
|
|
case _util.AnnotationBorderStyleType.SOLID:
|
|
container.style.borderStyle = "solid";
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.DASHED:
|
|
container.style.borderStyle = "dashed";
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.BEVELED:
|
|
(0, _util.warn)("Unimplemented border style: beveled");
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.INSET:
|
|
(0, _util.warn)("Unimplemented border style: inset");
|
|
break;
|
|
|
|
case _util.AnnotationBorderStyleType.UNDERLINE:
|
|
container.style.borderBottomStyle = "solid";
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
const borderColor = data.borderColor || data.color || null;
|
|
|
|
if (borderColor) {
|
|
container.style.borderColor = _util.Util.makeHexColor(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
|
|
} else {
|
|
container.style.borderWidth = 0;
|
|
}
|
|
}
|
|
|
|
container.style.left = `${rect[0]}px`;
|
|
container.style.top = `${rect[1]}px`;
|
|
|
|
if (data.hasOwnCanvas) {
|
|
container.style.width = container.style.height = "auto";
|
|
} else {
|
|
container.style.width = `${width}px`;
|
|
container.style.height = `${height}px`;
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
_createQuadrilaterals(ignoreBorder = false) {
|
|
if (!this.data.quadPoints) {
|
|
return null;
|
|
}
|
|
|
|
const quadrilaterals = [];
|
|
const savedRect = this.data.rect;
|
|
|
|
for (const quadPoint of this.data.quadPoints) {
|
|
this.data.rect = [quadPoint[2].x, quadPoint[2].y, quadPoint[1].x, quadPoint[1].y];
|
|
quadrilaterals.push(this._createContainer(ignoreBorder));
|
|
}
|
|
|
|
this.data.rect = savedRect;
|
|
return quadrilaterals;
|
|
}
|
|
|
|
_createPopup(trigger, data) {
|
|
let container = this.container;
|
|
|
|
if (this.quadrilaterals) {
|
|
trigger = trigger || this.quadrilaterals;
|
|
container = this.quadrilaterals[0];
|
|
}
|
|
|
|
if (!trigger) {
|
|
trigger = document.createElement("div");
|
|
trigger.style.height = container.style.height;
|
|
trigger.style.width = container.style.width;
|
|
container.appendChild(trigger);
|
|
}
|
|
|
|
const popupElement = new PopupElement({
|
|
container,
|
|
trigger,
|
|
color: data.color,
|
|
titleObj: data.titleObj,
|
|
modificationDate: data.modificationDate,
|
|
contentsObj: data.contentsObj,
|
|
richText: data.richText,
|
|
hideWrapper: true
|
|
});
|
|
const popup = popupElement.render();
|
|
popup.style.left = container.style.width;
|
|
container.appendChild(popup);
|
|
}
|
|
|
|
_renderQuadrilaterals(className) {
|
|
for (const quadrilateral of this.quadrilaterals) {
|
|
quadrilateral.className = className;
|
|
}
|
|
|
|
return this.quadrilaterals;
|
|
}
|
|
|
|
render() {
|
|
(0, _util.unreachable)("Abstract method `AnnotationElement.render` called");
|
|
}
|
|
|
|
_getElementsByName(name, skipId = null) {
|
|
const fields = [];
|
|
|
|
if (this._fieldObjects) {
|
|
const fieldObj = this._fieldObjects[name];
|
|
|
|
if (fieldObj) {
|
|
for (const {
|
|
page,
|
|
id,
|
|
exportValues
|
|
} of fieldObj) {
|
|
if (page === -1) {
|
|
continue;
|
|
}
|
|
|
|
if (id === skipId) {
|
|
continue;
|
|
}
|
|
|
|
const exportValue = typeof exportValues === "string" ? exportValues : null;
|
|
const domElement = document.getElementById(id);
|
|
|
|
if (domElement && !GetElementsByNameSet.has(domElement)) {
|
|
(0, _util.warn)(`_getElementsByName - element not allowed: ${id}`);
|
|
continue;
|
|
}
|
|
|
|
fields.push({
|
|
id,
|
|
exportValue,
|
|
domElement
|
|
});
|
|
}
|
|
}
|
|
|
|
return fields;
|
|
}
|
|
|
|
for (const domElement of document.getElementsByName(name)) {
|
|
const {
|
|
id,
|
|
exportValue
|
|
} = domElement;
|
|
|
|
if (id === skipId) {
|
|
continue;
|
|
}
|
|
|
|
if (!GetElementsByNameSet.has(domElement)) {
|
|
continue;
|
|
}
|
|
|
|
fields.push({
|
|
id,
|
|
exportValue,
|
|
domElement
|
|
});
|
|
}
|
|
|
|
return fields;
|
|
}
|
|
|
|
static get platform() {
|
|
const platform = typeof navigator !== "undefined" ? navigator.platform : "";
|
|
return (0, _util.shadow)(this, "platform", {
|
|
isWin: platform.includes("Win"),
|
|
isMac: platform.includes("Mac")
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
class LinkAnnotationElement extends AnnotationElement {
|
|
constructor(parameters, options = null) {
|
|
const isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action || parameters.data.isTooltipOnly || parameters.data.resetForm || parameters.data.actions && (parameters.data.actions.Action || parameters.data.actions["Mouse Up"] || parameters.data.actions["Mouse Down"]));
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: !!options?.ignoreBorder,
|
|
createQuadrilaterals: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const {
|
|
data,
|
|
linkService
|
|
} = this;
|
|
const link = document.createElement("a");
|
|
|
|
if (data.url) {
|
|
if (!linkService.addLinkAttributes) {
|
|
(0, _util.warn)("LinkAnnotationElement.render - missing `addLinkAttributes`-method on the `linkService`-instance.");
|
|
}
|
|
|
|
linkService.addLinkAttributes?.(link, data.url, data.newWindow);
|
|
} else if (data.action) {
|
|
this._bindNamedAction(link, data.action);
|
|
} else if (data.dest) {
|
|
this._bindLink(link, data.dest);
|
|
} else {
|
|
let hasClickAction = false;
|
|
|
|
if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
|
|
hasClickAction = true;
|
|
|
|
this._bindJSAction(link, data);
|
|
}
|
|
|
|
if (data.resetForm) {
|
|
this._bindResetFormAction(link, data.resetForm);
|
|
} else if (!hasClickAction) {
|
|
this._bindLink(link, "");
|
|
}
|
|
}
|
|
|
|
if (this.quadrilaterals) {
|
|
return this._renderQuadrilaterals("linkAnnotation").map((quadrilateral, index) => {
|
|
const linkElement = index === 0 ? link : link.cloneNode();
|
|
quadrilateral.appendChild(linkElement);
|
|
return quadrilateral;
|
|
});
|
|
}
|
|
|
|
this.container.className = "linkAnnotation";
|
|
this.container.appendChild(link);
|
|
return this.container;
|
|
}
|
|
|
|
_bindLink(link, destination) {
|
|
link.href = this.linkService.getDestinationHash(destination);
|
|
|
|
link.onclick = () => {
|
|
if (destination) {
|
|
this.linkService.goToDestination(destination);
|
|
}
|
|
|
|
return false;
|
|
};
|
|
|
|
if (destination || destination === "") {
|
|
link.className = "internalLink";
|
|
}
|
|
}
|
|
|
|
_bindNamedAction(link, action) {
|
|
link.href = this.linkService.getAnchorUrl("");
|
|
|
|
link.onclick = () => {
|
|
this.linkService.executeNamedAction(action);
|
|
return false;
|
|
};
|
|
|
|
link.className = "internalLink";
|
|
}
|
|
|
|
_bindJSAction(link, data) {
|
|
link.href = this.linkService.getAnchorUrl("");
|
|
const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
|
|
|
|
for (const name of Object.keys(data.actions)) {
|
|
const jsName = map.get(name);
|
|
|
|
if (!jsName) {
|
|
continue;
|
|
}
|
|
|
|
link[jsName] = () => {
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id: data.id,
|
|
name
|
|
}
|
|
});
|
|
return false;
|
|
};
|
|
}
|
|
|
|
if (!link.onclick) {
|
|
link.onclick = () => false;
|
|
}
|
|
|
|
link.className = "internalLink";
|
|
}
|
|
|
|
_bindResetFormAction(link, resetForm) {
|
|
const otherClickAction = link.onclick;
|
|
|
|
if (!otherClickAction) {
|
|
link.href = this.linkService.getAnchorUrl("");
|
|
}
|
|
|
|
link.className = "internalLink";
|
|
|
|
if (!this._fieldObjects) {
|
|
(0, _util.warn)(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
|
|
|
|
if (!otherClickAction) {
|
|
link.onclick = () => false;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
link.onclick = () => {
|
|
if (otherClickAction) {
|
|
otherClickAction();
|
|
}
|
|
|
|
const {
|
|
fields: resetFormFields,
|
|
refs: resetFormRefs,
|
|
include
|
|
} = resetForm;
|
|
const allFields = [];
|
|
|
|
if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
|
|
const fieldIds = new Set(resetFormRefs);
|
|
|
|
for (const fieldName of resetFormFields) {
|
|
const fields = this._fieldObjects[fieldName] || [];
|
|
|
|
for (const {
|
|
id
|
|
} of fields) {
|
|
fieldIds.add(id);
|
|
}
|
|
}
|
|
|
|
for (const fields of Object.values(this._fieldObjects)) {
|
|
for (const field of fields) {
|
|
if (fieldIds.has(field.id) === include) {
|
|
allFields.push(field);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
for (const fields of Object.values(this._fieldObjects)) {
|
|
allFields.push(...fields);
|
|
}
|
|
}
|
|
|
|
const storage = this.annotationStorage;
|
|
const allIds = [];
|
|
|
|
for (const field of allFields) {
|
|
const {
|
|
id
|
|
} = field;
|
|
allIds.push(id);
|
|
|
|
switch (field.type) {
|
|
case "text":
|
|
{
|
|
const value = field.defaultValue || "";
|
|
storage.setValue(id, {
|
|
value,
|
|
valueAsString: value
|
|
});
|
|
break;
|
|
}
|
|
|
|
case "checkbox":
|
|
case "radiobutton":
|
|
{
|
|
const value = field.defaultValue === field.exportValues;
|
|
storage.setValue(id, {
|
|
value
|
|
});
|
|
break;
|
|
}
|
|
|
|
case "combobox":
|
|
case "listbox":
|
|
{
|
|
const value = field.defaultValue || "";
|
|
storage.setValue(id, {
|
|
value
|
|
});
|
|
break;
|
|
}
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
const domElement = document.getElementById(id);
|
|
|
|
if (!domElement || !GetElementsByNameSet.has(domElement)) {
|
|
continue;
|
|
}
|
|
|
|
domElement.dispatchEvent(new Event("resetform"));
|
|
}
|
|
|
|
if (this.enableScripting) {
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id: "app",
|
|
ids: allIds,
|
|
name: "ResetForm"
|
|
}
|
|
});
|
|
}
|
|
|
|
return false;
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
class TextAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "textAnnotation";
|
|
const image = document.createElement("img");
|
|
image.style.height = this.container.style.height;
|
|
image.style.width = this.container.style.width;
|
|
image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
|
|
image.alt = "[{{type}} Annotation]";
|
|
image.dataset.l10nId = "text_annotation_type";
|
|
image.dataset.l10nArgs = JSON.stringify({
|
|
type: this.data.name
|
|
});
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(image, this.data);
|
|
}
|
|
|
|
this.container.appendChild(image);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class WidgetAnnotationElement extends AnnotationElement {
|
|
render() {
|
|
if (this.data.alternativeText) {
|
|
this.container.title = this.data.alternativeText;
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
_getKeyModifier(event) {
|
|
const {
|
|
isWin,
|
|
isMac
|
|
} = AnnotationElement.platform;
|
|
return isWin && event.ctrlKey || isMac && event.metaKey;
|
|
}
|
|
|
|
_setEventListener(element, baseName, eventName, valueGetter) {
|
|
if (baseName.includes("mouse")) {
|
|
element.addEventListener(baseName, event => {
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id: this.data.id,
|
|
name: eventName,
|
|
value: valueGetter(event),
|
|
shift: event.shiftKey,
|
|
modifier: this._getKeyModifier(event)
|
|
}
|
|
});
|
|
});
|
|
} else {
|
|
element.addEventListener(baseName, event => {
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id: this.data.id,
|
|
name: eventName,
|
|
value: valueGetter(event)
|
|
}
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
_setEventListeners(element, names, getter) {
|
|
for (const [baseName, eventName] of names) {
|
|
if (eventName === "Action" || this.data.actions?.[eventName]) {
|
|
this._setEventListener(element, baseName, eventName, getter);
|
|
}
|
|
}
|
|
}
|
|
|
|
_setBackgroundColor(element) {
|
|
const color = this.data.backgroundColor || null;
|
|
element.style.backgroundColor = color === null ? "transparent" : _util.Util.makeHexColor(color[0], color[1], color[2]);
|
|
}
|
|
|
|
_dispatchEventFromSandbox(actions, jsEvent) {
|
|
const setColor = (jsName, styleName, event) => {
|
|
const color = event.detail[jsName];
|
|
event.target.style[styleName] = _scripting_utils.ColorConverters[`${color[0]}_HTML`](color.slice(1));
|
|
};
|
|
|
|
const commonActions = {
|
|
display: event => {
|
|
const hidden = event.detail.display % 2 === 1;
|
|
event.target.style.visibility = hidden ? "hidden" : "visible";
|
|
this.annotationStorage.setValue(this.data.id, {
|
|
hidden,
|
|
print: event.detail.display === 0 || event.detail.display === 3
|
|
});
|
|
},
|
|
print: event => {
|
|
this.annotationStorage.setValue(this.data.id, {
|
|
print: event.detail.print
|
|
});
|
|
},
|
|
hidden: event => {
|
|
event.target.style.visibility = event.detail.hidden ? "hidden" : "visible";
|
|
this.annotationStorage.setValue(this.data.id, {
|
|
hidden: event.detail.hidden
|
|
});
|
|
},
|
|
focus: event => {
|
|
setTimeout(() => event.target.focus({
|
|
preventScroll: false
|
|
}), 0);
|
|
},
|
|
userName: event => {
|
|
event.target.title = event.detail.userName;
|
|
},
|
|
readonly: event => {
|
|
if (event.detail.readonly) {
|
|
event.target.setAttribute("readonly", "");
|
|
} else {
|
|
event.target.removeAttribute("readonly");
|
|
}
|
|
},
|
|
required: event => {
|
|
if (event.detail.required) {
|
|
event.target.setAttribute("required", "");
|
|
} else {
|
|
event.target.removeAttribute("required");
|
|
}
|
|
},
|
|
bgColor: event => {
|
|
setColor("bgColor", "backgroundColor", event);
|
|
},
|
|
fillColor: event => {
|
|
setColor("fillColor", "backgroundColor", event);
|
|
},
|
|
fgColor: event => {
|
|
setColor("fgColor", "color", event);
|
|
},
|
|
textColor: event => {
|
|
setColor("textColor", "color", event);
|
|
},
|
|
borderColor: event => {
|
|
setColor("borderColor", "borderColor", event);
|
|
},
|
|
strokeColor: event => {
|
|
setColor("strokeColor", "borderColor", event);
|
|
}
|
|
};
|
|
|
|
for (const name of Object.keys(jsEvent.detail)) {
|
|
const action = actions[name] || commonActions[name];
|
|
|
|
if (action) {
|
|
action(jsEvent);
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class TextWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = parameters.renderForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
|
|
super(parameters, {
|
|
isRenderable
|
|
});
|
|
}
|
|
|
|
setPropertyOnSiblings(base, key, value, keyInStorage) {
|
|
const storage = this.annotationStorage;
|
|
|
|
for (const element of this._getElementsByName(base.name, base.id)) {
|
|
if (element.domElement) {
|
|
element.domElement[key] = value;
|
|
}
|
|
|
|
storage.setValue(element.id, {
|
|
[keyInStorage]: value
|
|
});
|
|
}
|
|
}
|
|
|
|
render() {
|
|
const storage = this.annotationStorage;
|
|
const id = this.data.id;
|
|
this.container.className = "textWidgetAnnotation";
|
|
let element = null;
|
|
|
|
if (this.renderForms) {
|
|
const storedData = storage.getValue(id, {
|
|
value: this.data.fieldValue,
|
|
valueAsString: this.data.fieldValue
|
|
});
|
|
const textContent = storedData.valueAsString || storedData.value || "";
|
|
const elementData = {
|
|
userValue: null,
|
|
formattedValue: null
|
|
};
|
|
|
|
if (this.data.multiLine) {
|
|
element = document.createElement("textarea");
|
|
element.textContent = textContent;
|
|
} else {
|
|
element = document.createElement("input");
|
|
element.type = "text";
|
|
element.setAttribute("value", textContent);
|
|
}
|
|
|
|
GetElementsByNameSet.add(element);
|
|
element.disabled = this.data.readOnly;
|
|
element.name = this.data.fieldName;
|
|
element.tabIndex = DEFAULT_TAB_INDEX;
|
|
elementData.userValue = textContent;
|
|
element.setAttribute("id", id);
|
|
element.addEventListener("input", event => {
|
|
storage.setValue(id, {
|
|
value: event.target.value
|
|
});
|
|
this.setPropertyOnSiblings(element, "value", event.target.value, "value");
|
|
});
|
|
element.addEventListener("resetform", event => {
|
|
const defaultValue = this.data.defaultFieldValue || "";
|
|
element.value = elementData.userValue = defaultValue;
|
|
delete elementData.formattedValue;
|
|
});
|
|
|
|
let blurListener = event => {
|
|
if (elementData.formattedValue) {
|
|
event.target.value = elementData.formattedValue;
|
|
}
|
|
|
|
event.target.scrollLeft = 0;
|
|
};
|
|
|
|
if (this.enableScripting && this.hasJSActions) {
|
|
element.addEventListener("focus", event => {
|
|
if (elementData.userValue) {
|
|
event.target.value = elementData.userValue;
|
|
}
|
|
});
|
|
element.addEventListener("updatefromsandbox", jsEvent => {
|
|
const actions = {
|
|
value(event) {
|
|
elementData.userValue = event.detail.value || "";
|
|
storage.setValue(id, {
|
|
value: elementData.userValue.toString()
|
|
});
|
|
|
|
if (!elementData.formattedValue) {
|
|
event.target.value = elementData.userValue;
|
|
}
|
|
},
|
|
|
|
valueAsString(event) {
|
|
elementData.formattedValue = event.detail.valueAsString || "";
|
|
|
|
if (event.target !== document.activeElement) {
|
|
event.target.value = elementData.formattedValue;
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
formattedValue: elementData.formattedValue
|
|
});
|
|
},
|
|
|
|
selRange(event) {
|
|
const [selStart, selEnd] = event.detail.selRange;
|
|
|
|
if (selStart >= 0 && selEnd < event.target.value.length) {
|
|
event.target.setSelectionRange(selStart, selEnd);
|
|
}
|
|
}
|
|
|
|
};
|
|
|
|
this._dispatchEventFromSandbox(actions, jsEvent);
|
|
});
|
|
element.addEventListener("keydown", event => {
|
|
let commitKey = -1;
|
|
|
|
if (event.key === "Escape") {
|
|
commitKey = 0;
|
|
} else if (event.key === "Enter") {
|
|
commitKey = 2;
|
|
} else if (event.key === "Tab") {
|
|
commitKey = 3;
|
|
}
|
|
|
|
if (commitKey === -1) {
|
|
return;
|
|
}
|
|
|
|
elementData.userValue = event.target.value;
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id,
|
|
name: "Keystroke",
|
|
value: event.target.value,
|
|
willCommit: true,
|
|
commitKey,
|
|
selStart: event.target.selectionStart,
|
|
selEnd: event.target.selectionEnd
|
|
}
|
|
});
|
|
});
|
|
const _blurListener = blurListener;
|
|
blurListener = null;
|
|
element.addEventListener("blur", event => {
|
|
elementData.userValue = event.target.value;
|
|
|
|
if (this._mouseState.isDown) {
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id,
|
|
name: "Keystroke",
|
|
value: event.target.value,
|
|
willCommit: true,
|
|
commitKey: 1,
|
|
selStart: event.target.selectionStart,
|
|
selEnd: event.target.selectionEnd
|
|
}
|
|
});
|
|
}
|
|
|
|
_blurListener(event);
|
|
});
|
|
|
|
if (this.data.actions?.Keystroke) {
|
|
element.addEventListener("beforeinput", event => {
|
|
elementData.formattedValue = "";
|
|
const {
|
|
data,
|
|
target
|
|
} = event;
|
|
const {
|
|
value,
|
|
selectionStart,
|
|
selectionEnd
|
|
} = target;
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id,
|
|
name: "Keystroke",
|
|
value,
|
|
change: data,
|
|
willCommit: false,
|
|
selStart: selectionStart,
|
|
selEnd: selectionEnd
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
this._setEventListeners(element, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
|
|
}
|
|
|
|
if (blurListener) {
|
|
element.addEventListener("blur", blurListener);
|
|
}
|
|
|
|
if (this.data.maxLen !== null) {
|
|
element.maxLength = this.data.maxLen;
|
|
}
|
|
|
|
if (this.data.comb) {
|
|
const fieldWidth = this.data.rect[2] - this.data.rect[0];
|
|
const combWidth = fieldWidth / this.data.maxLen;
|
|
element.classList.add("comb");
|
|
element.style.letterSpacing = `calc(${combWidth}px - 1ch)`;
|
|
}
|
|
} else {
|
|
element = document.createElement("div");
|
|
element.textContent = this.data.fieldValue;
|
|
element.style.verticalAlign = "middle";
|
|
element.style.display = "table-cell";
|
|
}
|
|
|
|
this._setTextStyle(element);
|
|
|
|
this._setBackgroundColor(element);
|
|
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
_setTextStyle(element) {
|
|
const TEXT_ALIGNMENT = ["left", "center", "right"];
|
|
const {
|
|
fontSize,
|
|
fontColor
|
|
} = this.data.defaultAppearanceData;
|
|
const style = element.style;
|
|
|
|
if (fontSize) {
|
|
style.fontSize = `${fontSize}px`;
|
|
}
|
|
|
|
style.color = _util.Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
|
|
|
|
if (this.data.textAlignment !== null) {
|
|
style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, {
|
|
isRenderable: parameters.renderForms
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const storage = this.annotationStorage;
|
|
const data = this.data;
|
|
const id = data.id;
|
|
let value = storage.getValue(id, {
|
|
value: data.exportValue === data.fieldValue
|
|
}).value;
|
|
|
|
if (typeof value === "string") {
|
|
value = value !== "Off";
|
|
storage.setValue(id, {
|
|
value
|
|
});
|
|
}
|
|
|
|
this.container.className = "buttonWidgetAnnotation checkBox";
|
|
const element = document.createElement("input");
|
|
GetElementsByNameSet.add(element);
|
|
element.disabled = data.readOnly;
|
|
element.type = "checkbox";
|
|
element.name = data.fieldName;
|
|
|
|
if (value) {
|
|
element.setAttribute("checked", true);
|
|
}
|
|
|
|
element.setAttribute("id", id);
|
|
element.setAttribute("exportValue", data.exportValue);
|
|
element.tabIndex = DEFAULT_TAB_INDEX;
|
|
element.addEventListener("change", event => {
|
|
const {
|
|
name,
|
|
checked
|
|
} = event.target;
|
|
|
|
for (const checkbox of this._getElementsByName(name, id)) {
|
|
const curChecked = checked && checkbox.exportValue === data.exportValue;
|
|
|
|
if (checkbox.domElement) {
|
|
checkbox.domElement.checked = curChecked;
|
|
}
|
|
|
|
storage.setValue(checkbox.id, {
|
|
value: curChecked
|
|
});
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: checked
|
|
});
|
|
});
|
|
element.addEventListener("resetform", event => {
|
|
const defaultValue = data.defaultFieldValue || "Off";
|
|
event.target.checked = defaultValue === data.exportValue;
|
|
});
|
|
|
|
if (this.enableScripting && this.hasJSActions) {
|
|
element.addEventListener("updatefromsandbox", jsEvent => {
|
|
const actions = {
|
|
value(event) {
|
|
event.target.checked = event.detail.value !== "Off";
|
|
storage.setValue(id, {
|
|
value: event.target.checked
|
|
});
|
|
}
|
|
|
|
};
|
|
|
|
this._dispatchEventFromSandbox(actions, jsEvent);
|
|
});
|
|
|
|
this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
|
|
}
|
|
|
|
this._setBackgroundColor(element);
|
|
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, {
|
|
isRenderable: parameters.renderForms
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "buttonWidgetAnnotation radioButton";
|
|
const storage = this.annotationStorage;
|
|
const data = this.data;
|
|
const id = data.id;
|
|
let value = storage.getValue(id, {
|
|
value: data.fieldValue === data.buttonValue
|
|
}).value;
|
|
|
|
if (typeof value === "string") {
|
|
value = value !== data.buttonValue;
|
|
storage.setValue(id, {
|
|
value
|
|
});
|
|
}
|
|
|
|
const element = document.createElement("input");
|
|
GetElementsByNameSet.add(element);
|
|
element.disabled = data.readOnly;
|
|
element.type = "radio";
|
|
element.name = data.fieldName;
|
|
|
|
if (value) {
|
|
element.setAttribute("checked", true);
|
|
}
|
|
|
|
element.setAttribute("id", id);
|
|
element.tabIndex = DEFAULT_TAB_INDEX;
|
|
element.addEventListener("change", event => {
|
|
const {
|
|
name,
|
|
checked
|
|
} = event.target;
|
|
|
|
for (const radio of this._getElementsByName(name, id)) {
|
|
storage.setValue(radio.id, {
|
|
value: false
|
|
});
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: checked
|
|
});
|
|
});
|
|
element.addEventListener("resetform", event => {
|
|
const defaultValue = data.defaultFieldValue;
|
|
event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
|
|
});
|
|
|
|
if (this.enableScripting && this.hasJSActions) {
|
|
const pdfButtonValue = data.buttonValue;
|
|
element.addEventListener("updatefromsandbox", jsEvent => {
|
|
const actions = {
|
|
value: event => {
|
|
const checked = pdfButtonValue === event.detail.value;
|
|
|
|
for (const radio of this._getElementsByName(event.target.name)) {
|
|
const curChecked = checked && radio.id === id;
|
|
|
|
if (radio.domElement) {
|
|
radio.domElement.checked = curChecked;
|
|
}
|
|
|
|
storage.setValue(radio.id, {
|
|
value: curChecked
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
this._dispatchEventFromSandbox(actions, jsEvent);
|
|
});
|
|
|
|
this._setEventListeners(element, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
|
|
}
|
|
|
|
this._setBackgroundColor(element);
|
|
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, {
|
|
ignoreBorder: parameters.data.hasAppearance
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const container = super.render();
|
|
container.className = "buttonWidgetAnnotation pushButton";
|
|
|
|
if (this.data.alternativeText) {
|
|
container.title = this.data.alternativeText;
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
}
|
|
|
|
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, {
|
|
isRenderable: parameters.renderForms
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "choiceWidgetAnnotation";
|
|
const storage = this.annotationStorage;
|
|
const id = this.data.id;
|
|
storage.getValue(id, {
|
|
value: this.data.fieldValue.length > 0 ? this.data.fieldValue[0] : undefined
|
|
});
|
|
let {
|
|
fontSize
|
|
} = this.data.defaultAppearanceData;
|
|
|
|
if (!fontSize) {
|
|
fontSize = 9;
|
|
}
|
|
|
|
const fontSizeStyle = `calc(${fontSize}px * var(--zoom-factor))`;
|
|
const selectElement = document.createElement("select");
|
|
GetElementsByNameSet.add(selectElement);
|
|
selectElement.disabled = this.data.readOnly;
|
|
selectElement.name = this.data.fieldName;
|
|
selectElement.setAttribute("id", id);
|
|
selectElement.tabIndex = DEFAULT_TAB_INDEX;
|
|
selectElement.style.fontSize = `${fontSize}px`;
|
|
|
|
if (!this.data.combo) {
|
|
selectElement.size = this.data.options.length;
|
|
|
|
if (this.data.multiSelect) {
|
|
selectElement.multiple = true;
|
|
}
|
|
}
|
|
|
|
selectElement.addEventListener("resetform", event => {
|
|
const defaultValue = this.data.defaultFieldValue;
|
|
|
|
for (const option of selectElement.options) {
|
|
option.selected = option.value === defaultValue;
|
|
}
|
|
});
|
|
|
|
for (const option of this.data.options) {
|
|
const optionElement = document.createElement("option");
|
|
optionElement.textContent = option.displayValue;
|
|
optionElement.value = option.exportValue;
|
|
|
|
if (this.data.combo) {
|
|
optionElement.style.fontSize = fontSizeStyle;
|
|
}
|
|
|
|
if (this.data.fieldValue.includes(option.exportValue)) {
|
|
optionElement.setAttribute("selected", true);
|
|
}
|
|
|
|
selectElement.appendChild(optionElement);
|
|
}
|
|
|
|
const getValue = (event, isExport) => {
|
|
const name = isExport ? "value" : "textContent";
|
|
const options = event.target.options;
|
|
|
|
if (!event.target.multiple) {
|
|
return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
|
|
}
|
|
|
|
return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
|
|
};
|
|
|
|
const getItems = event => {
|
|
const options = event.target.options;
|
|
return Array.prototype.map.call(options, option => {
|
|
return {
|
|
displayValue: option.textContent,
|
|
exportValue: option.value
|
|
};
|
|
});
|
|
};
|
|
|
|
if (this.enableScripting && this.hasJSActions) {
|
|
selectElement.addEventListener("updatefromsandbox", jsEvent => {
|
|
const actions = {
|
|
value(event) {
|
|
const value = event.detail.value;
|
|
const values = new Set(Array.isArray(value) ? value : [value]);
|
|
|
|
for (const option of selectElement.options) {
|
|
option.selected = values.has(option.value);
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: getValue(event, true)
|
|
});
|
|
},
|
|
|
|
multipleSelection(event) {
|
|
selectElement.multiple = true;
|
|
},
|
|
|
|
remove(event) {
|
|
const options = selectElement.options;
|
|
const index = event.detail.remove;
|
|
options[index].selected = false;
|
|
selectElement.remove(index);
|
|
|
|
if (options.length > 0) {
|
|
const i = Array.prototype.findIndex.call(options, option => option.selected);
|
|
|
|
if (i === -1) {
|
|
options[0].selected = true;
|
|
}
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: getValue(event, true),
|
|
items: getItems(event)
|
|
});
|
|
},
|
|
|
|
clear(event) {
|
|
while (selectElement.length !== 0) {
|
|
selectElement.remove(0);
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: null,
|
|
items: []
|
|
});
|
|
},
|
|
|
|
insert(event) {
|
|
const {
|
|
index,
|
|
displayValue,
|
|
exportValue
|
|
} = event.detail.insert;
|
|
const optionElement = document.createElement("option");
|
|
optionElement.textContent = displayValue;
|
|
optionElement.value = exportValue;
|
|
selectElement.insertBefore(optionElement, selectElement.children[index]);
|
|
storage.setValue(id, {
|
|
value: getValue(event, true),
|
|
items: getItems(event)
|
|
});
|
|
},
|
|
|
|
items(event) {
|
|
const {
|
|
items
|
|
} = event.detail;
|
|
|
|
while (selectElement.length !== 0) {
|
|
selectElement.remove(0);
|
|
}
|
|
|
|
for (const item of items) {
|
|
const {
|
|
displayValue,
|
|
exportValue
|
|
} = item;
|
|
const optionElement = document.createElement("option");
|
|
optionElement.textContent = displayValue;
|
|
optionElement.value = exportValue;
|
|
selectElement.appendChild(optionElement);
|
|
}
|
|
|
|
if (selectElement.options.length > 0) {
|
|
selectElement.options[0].selected = true;
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: getValue(event, true),
|
|
items: getItems(event)
|
|
});
|
|
},
|
|
|
|
indices(event) {
|
|
const indices = new Set(event.detail.indices);
|
|
|
|
for (const option of event.target.options) {
|
|
option.selected = indices.has(option.index);
|
|
}
|
|
|
|
storage.setValue(id, {
|
|
value: getValue(event, true)
|
|
});
|
|
},
|
|
|
|
editable(event) {
|
|
event.target.disabled = !event.detail.editable;
|
|
}
|
|
|
|
};
|
|
|
|
this._dispatchEventFromSandbox(actions, jsEvent);
|
|
});
|
|
selectElement.addEventListener("input", event => {
|
|
const exportValue = getValue(event, true);
|
|
const value = getValue(event, false);
|
|
storage.setValue(id, {
|
|
value: exportValue
|
|
});
|
|
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
|
|
source: this,
|
|
detail: {
|
|
id,
|
|
name: "Keystroke",
|
|
value,
|
|
changeEx: exportValue,
|
|
willCommit: true,
|
|
commitKey: 1,
|
|
keyDown: false
|
|
}
|
|
});
|
|
});
|
|
|
|
this._setEventListeners(selectElement, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"]], event => event.target.checked);
|
|
} else {
|
|
selectElement.addEventListener("input", function (event) {
|
|
storage.setValue(id, {
|
|
value: getValue(event)
|
|
});
|
|
});
|
|
}
|
|
|
|
this._setBackgroundColor(selectElement);
|
|
|
|
this.container.appendChild(selectElement);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PopupAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable
|
|
});
|
|
}
|
|
|
|
render() {
|
|
const IGNORE_TYPES = ["Line", "Square", "Circle", "PolyLine", "Polygon", "Ink"];
|
|
this.container.className = "popupAnnotation";
|
|
|
|
if (IGNORE_TYPES.includes(this.data.parentType)) {
|
|
return this.container;
|
|
}
|
|
|
|
const selector = `[data-annotation-id="${this.data.parentId}"]`;
|
|
const parentElements = this.layer.querySelectorAll(selector);
|
|
|
|
if (parentElements.length === 0) {
|
|
return this.container;
|
|
}
|
|
|
|
const popup = new PopupElement({
|
|
container: this.container,
|
|
trigger: Array.from(parentElements),
|
|
color: this.data.color,
|
|
titleObj: this.data.titleObj,
|
|
modificationDate: this.data.modificationDate,
|
|
contentsObj: this.data.contentsObj,
|
|
richText: this.data.richText
|
|
});
|
|
const page = this.page;
|
|
|
|
const rect = _util.Util.normalizeRect([this.data.parentRect[0], page.view[3] - this.data.parentRect[1] + page.view[1], this.data.parentRect[2], page.view[3] - this.data.parentRect[3] + page.view[1]]);
|
|
|
|
const popupLeft = rect[0] + this.data.parentRect[2] - this.data.parentRect[0];
|
|
const popupTop = rect[1];
|
|
this.container.style.transformOrigin = `${-popupLeft}px ${-popupTop}px`;
|
|
this.container.style.left = `${popupLeft}px`;
|
|
this.container.style.top = `${popupTop}px`;
|
|
this.container.appendChild(popup.render());
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PopupElement {
|
|
constructor(parameters) {
|
|
this.container = parameters.container;
|
|
this.trigger = parameters.trigger;
|
|
this.color = parameters.color;
|
|
this.titleObj = parameters.titleObj;
|
|
this.modificationDate = parameters.modificationDate;
|
|
this.contentsObj = parameters.contentsObj;
|
|
this.richText = parameters.richText;
|
|
this.hideWrapper = parameters.hideWrapper || false;
|
|
this.pinned = false;
|
|
}
|
|
|
|
render() {
|
|
const BACKGROUND_ENLIGHT = 0.7;
|
|
const wrapper = document.createElement("div");
|
|
wrapper.className = "popupWrapper";
|
|
this.hideElement = this.hideWrapper ? wrapper : this.container;
|
|
this.hideElement.hidden = true;
|
|
const popup = document.createElement("div");
|
|
popup.className = "popup";
|
|
const color = this.color;
|
|
|
|
if (color) {
|
|
const r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
|
|
const g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
|
|
const b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
|
|
popup.style.backgroundColor = _util.Util.makeHexColor(r | 0, g | 0, b | 0);
|
|
}
|
|
|
|
const title = document.createElement("h1");
|
|
title.dir = this.titleObj.dir;
|
|
title.textContent = this.titleObj.str;
|
|
popup.appendChild(title);
|
|
|
|
const dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
|
|
|
|
if (dateObject) {
|
|
const modificationDate = document.createElement("span");
|
|
modificationDate.className = "popupDate";
|
|
modificationDate.textContent = "{{date}}, {{time}}";
|
|
modificationDate.dataset.l10nId = "annotation_date_string";
|
|
modificationDate.dataset.l10nArgs = JSON.stringify({
|
|
date: dateObject.toLocaleDateString(),
|
|
time: dateObject.toLocaleTimeString()
|
|
});
|
|
popup.appendChild(modificationDate);
|
|
}
|
|
|
|
if (this.richText?.str && (!this.contentsObj?.str || this.contentsObj.str === this.richText.str)) {
|
|
_xfa_layer.XfaLayer.render({
|
|
xfaHtml: this.richText.html,
|
|
intent: "richText",
|
|
div: popup
|
|
});
|
|
|
|
popup.lastChild.className = "richText popupContent";
|
|
} else {
|
|
const contents = this._formatContents(this.contentsObj);
|
|
|
|
popup.appendChild(contents);
|
|
}
|
|
|
|
if (!Array.isArray(this.trigger)) {
|
|
this.trigger = [this.trigger];
|
|
}
|
|
|
|
for (const element of this.trigger) {
|
|
element.addEventListener("click", this._toggle.bind(this));
|
|
element.addEventListener("mouseover", this._show.bind(this, false));
|
|
element.addEventListener("mouseout", this._hide.bind(this, false));
|
|
}
|
|
|
|
popup.addEventListener("click", this._hide.bind(this, true));
|
|
wrapper.appendChild(popup);
|
|
return wrapper;
|
|
}
|
|
|
|
_formatContents({
|
|
str,
|
|
dir
|
|
}) {
|
|
const p = document.createElement("p");
|
|
p.className = "popupContent";
|
|
p.dir = dir;
|
|
const lines = str.split(/(?:\r\n?|\n)/);
|
|
|
|
for (let i = 0, ii = lines.length; i < ii; ++i) {
|
|
const line = lines[i];
|
|
p.appendChild(document.createTextNode(line));
|
|
|
|
if (i < ii - 1) {
|
|
p.appendChild(document.createElement("br"));
|
|
}
|
|
}
|
|
|
|
return p;
|
|
}
|
|
|
|
_toggle() {
|
|
if (this.pinned) {
|
|
this._hide(true);
|
|
} else {
|
|
this._show(true);
|
|
}
|
|
}
|
|
|
|
_show(pin = false) {
|
|
if (pin) {
|
|
this.pinned = true;
|
|
}
|
|
|
|
if (this.hideElement.hidden) {
|
|
this.hideElement.hidden = false;
|
|
this.container.style.zIndex += 1;
|
|
}
|
|
}
|
|
|
|
_hide(unpin = true) {
|
|
if (unpin) {
|
|
this.pinned = false;
|
|
}
|
|
|
|
if (!this.hideElement.hidden && !this.pinned) {
|
|
this.hideElement.hidden = true;
|
|
this.container.style.zIndex -= 1;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class FreeTextAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "freeTextAnnotation";
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class LineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "lineAnnotation";
|
|
const data = this.data;
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
const svg = this.svgFactory.create(width, height);
|
|
const line = this.svgFactory.createElement("svg:line");
|
|
line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
|
|
line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
|
|
line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
|
|
line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
|
|
line.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
line.setAttribute("stroke", "transparent");
|
|
line.setAttribute("fill", "transparent");
|
|
svg.appendChild(line);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(line, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class SquareAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "squareAnnotation";
|
|
const data = this.data;
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
const svg = this.svgFactory.create(width, height);
|
|
const borderWidth = data.borderStyle.width;
|
|
const square = this.svgFactory.createElement("svg:rect");
|
|
square.setAttribute("x", borderWidth / 2);
|
|
square.setAttribute("y", borderWidth / 2);
|
|
square.setAttribute("width", width - borderWidth);
|
|
square.setAttribute("height", height - borderWidth);
|
|
square.setAttribute("stroke-width", borderWidth || 1);
|
|
square.setAttribute("stroke", "transparent");
|
|
square.setAttribute("fill", "transparent");
|
|
svg.appendChild(square);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(square, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class CircleAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "circleAnnotation";
|
|
const data = this.data;
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
const svg = this.svgFactory.create(width, height);
|
|
const borderWidth = data.borderStyle.width;
|
|
const circle = this.svgFactory.createElement("svg:ellipse");
|
|
circle.setAttribute("cx", width / 2);
|
|
circle.setAttribute("cy", height / 2);
|
|
circle.setAttribute("rx", width / 2 - borderWidth / 2);
|
|
circle.setAttribute("ry", height / 2 - borderWidth / 2);
|
|
circle.setAttribute("stroke-width", borderWidth || 1);
|
|
circle.setAttribute("stroke", "transparent");
|
|
circle.setAttribute("fill", "transparent");
|
|
svg.appendChild(circle);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(circle, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PolylineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
this.containerClassName = "polylineAnnotation";
|
|
this.svgElementName = "svg:polyline";
|
|
}
|
|
|
|
render() {
|
|
this.container.className = this.containerClassName;
|
|
const data = this.data;
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
const svg = this.svgFactory.create(width, height);
|
|
let points = [];
|
|
|
|
for (const coordinate of data.vertices) {
|
|
const x = coordinate.x - data.rect[0];
|
|
const y = data.rect[3] - coordinate.y;
|
|
points.push(x + "," + y);
|
|
}
|
|
|
|
points = points.join(" ");
|
|
const polyline = this.svgFactory.createElement(this.svgElementName);
|
|
polyline.setAttribute("points", points);
|
|
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
polyline.setAttribute("stroke", "transparent");
|
|
polyline.setAttribute("fill", "transparent");
|
|
svg.appendChild(polyline);
|
|
this.container.append(svg);
|
|
|
|
this._createPopup(polyline, data);
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class PolygonAnnotationElement extends PolylineAnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters);
|
|
this.containerClassName = "polygonAnnotation";
|
|
this.svgElementName = "svg:polygon";
|
|
}
|
|
|
|
}
|
|
|
|
class CaretAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "caretAnnotation";
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class InkAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
this.containerClassName = "inkAnnotation";
|
|
this.svgElementName = "svg:polyline";
|
|
}
|
|
|
|
render() {
|
|
this.container.className = this.containerClassName;
|
|
const data = this.data;
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
const svg = this.svgFactory.create(width, height);
|
|
|
|
for (const inkList of data.inkLists) {
|
|
let points = [];
|
|
|
|
for (const coordinate of inkList) {
|
|
const x = coordinate.x - data.rect[0];
|
|
const y = data.rect[3] - coordinate.y;
|
|
points.push(`${x},${y}`);
|
|
}
|
|
|
|
points = points.join(" ");
|
|
const polyline = this.svgFactory.createElement(this.svgElementName);
|
|
polyline.setAttribute("points", points);
|
|
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
|
|
polyline.setAttribute("stroke", "transparent");
|
|
polyline.setAttribute("fill", "transparent");
|
|
|
|
this._createPopup(polyline, data);
|
|
|
|
svg.appendChild(polyline);
|
|
}
|
|
|
|
this.container.append(svg);
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class HighlightAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true,
|
|
createQuadrilaterals: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
if (this.quadrilaterals) {
|
|
return this._renderQuadrilaterals("highlightAnnotation");
|
|
}
|
|
|
|
this.container.className = "highlightAnnotation";
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class UnderlineAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true,
|
|
createQuadrilaterals: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
if (this.quadrilaterals) {
|
|
return this._renderQuadrilaterals("underlineAnnotation");
|
|
}
|
|
|
|
this.container.className = "underlineAnnotation";
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class SquigglyAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true,
|
|
createQuadrilaterals: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
if (this.quadrilaterals) {
|
|
return this._renderQuadrilaterals("squigglyAnnotation");
|
|
}
|
|
|
|
this.container.className = "squigglyAnnotation";
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class StrikeOutAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true,
|
|
createQuadrilaterals: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
if (this.quadrilaterals) {
|
|
return this._renderQuadrilaterals("strikeoutAnnotation");
|
|
}
|
|
|
|
this.container.className = "strikeoutAnnotation";
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class StampAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
const isRenderable = !!(parameters.data.hasPopup || parameters.data.titleObj?.str || parameters.data.contentsObj?.str || parameters.data.richText?.str);
|
|
super(parameters, {
|
|
isRenderable,
|
|
ignoreBorder: true
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "stampAnnotation";
|
|
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(null, this.data);
|
|
}
|
|
|
|
return this.container;
|
|
}
|
|
|
|
}
|
|
|
|
class FileAttachmentAnnotationElement extends AnnotationElement {
|
|
constructor(parameters) {
|
|
super(parameters, {
|
|
isRenderable: true
|
|
});
|
|
const {
|
|
filename,
|
|
content
|
|
} = this.data.file;
|
|
this.filename = (0, _display_utils.getFilenameFromUrl)(filename);
|
|
this.content = content;
|
|
this.linkService.eventBus?.dispatch("fileattachmentannotation", {
|
|
source: this,
|
|
id: (0, _util.stringToPDFString)(filename),
|
|
filename,
|
|
content
|
|
});
|
|
}
|
|
|
|
render() {
|
|
this.container.className = "fileAttachmentAnnotation";
|
|
const trigger = document.createElement("div");
|
|
trigger.style.height = this.container.style.height;
|
|
trigger.style.width = this.container.style.width;
|
|
trigger.addEventListener("dblclick", this._download.bind(this));
|
|
|
|
if (!this.data.hasPopup && (this.data.titleObj?.str || this.data.contentsObj?.str || this.data.richText)) {
|
|
this._createPopup(trigger, this.data);
|
|
}
|
|
|
|
this.container.appendChild(trigger);
|
|
return this.container;
|
|
}
|
|
|
|
_download() {
|
|
this.downloadManager?.openOrDownloadData(this.container, this.content, this.filename);
|
|
}
|
|
|
|
}
|
|
|
|
class AnnotationLayer {
|
|
static render(parameters) {
|
|
const sortedAnnotations = [],
|
|
popupAnnotations = [];
|
|
|
|
for (const data of parameters.annotations) {
|
|
if (!data) {
|
|
continue;
|
|
}
|
|
|
|
const {
|
|
width,
|
|
height
|
|
} = getRectDims(data.rect);
|
|
|
|
if (width <= 0 || height <= 0) {
|
|
continue;
|
|
}
|
|
|
|
if (data.annotationType === _util.AnnotationType.POPUP) {
|
|
popupAnnotations.push(data);
|
|
continue;
|
|
}
|
|
|
|
sortedAnnotations.push(data);
|
|
}
|
|
|
|
if (popupAnnotations.length) {
|
|
sortedAnnotations.push(...popupAnnotations);
|
|
}
|
|
|
|
const div = parameters.div;
|
|
|
|
for (const data of sortedAnnotations) {
|
|
const element = AnnotationElementFactory.create({
|
|
data,
|
|
layer: div,
|
|
page: parameters.page,
|
|
viewport: parameters.viewport,
|
|
linkService: parameters.linkService,
|
|
downloadManager: parameters.downloadManager,
|
|
imageResourcesPath: parameters.imageResourcesPath || "",
|
|
renderForms: parameters.renderForms !== false,
|
|
svgFactory: new _display_utils.DOMSVGFactory(),
|
|
annotationStorage: parameters.annotationStorage || new _annotation_storage.AnnotationStorage(),
|
|
enableScripting: parameters.enableScripting,
|
|
hasJSActions: parameters.hasJSActions,
|
|
fieldObjects: parameters.fieldObjects,
|
|
mouseState: parameters.mouseState || {
|
|
isDown: false
|
|
}
|
|
});
|
|
|
|
if (element.isRenderable) {
|
|
const rendered = element.render();
|
|
|
|
if (data.hidden) {
|
|
rendered.style.visibility = "hidden";
|
|
}
|
|
|
|
if (Array.isArray(rendered)) {
|
|
for (const renderedElement of rendered) {
|
|
div.appendChild(renderedElement);
|
|
}
|
|
} else {
|
|
if (element instanceof PopupAnnotationElement) {
|
|
div.prepend(rendered);
|
|
} else {
|
|
div.appendChild(rendered);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.#setAnnotationCanvasMap(div, parameters.annotationCanvasMap);
|
|
}
|
|
|
|
static update(parameters) {
|
|
const {
|
|
page,
|
|
viewport,
|
|
annotations,
|
|
annotationCanvasMap,
|
|
div
|
|
} = parameters;
|
|
const transform = viewport.transform;
|
|
const matrix = `matrix(${transform.join(",")})`;
|
|
let scale, ownMatrix;
|
|
|
|
for (const data of annotations) {
|
|
const elements = div.querySelectorAll(`[data-annotation-id="${data.id}"]`);
|
|
|
|
if (elements) {
|
|
for (const element of elements) {
|
|
if (data.hasOwnCanvas) {
|
|
const rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
|
|
|
|
if (!ownMatrix) {
|
|
scale = Math.abs(transform[0] || transform[1]);
|
|
const ownTransform = transform.slice();
|
|
|
|
for (let i = 0; i < 4; i++) {
|
|
ownTransform[i] = Math.sign(ownTransform[i]);
|
|
}
|
|
|
|
ownMatrix = `matrix(${ownTransform.join(",")})`;
|
|
}
|
|
|
|
const left = rect[0] * scale;
|
|
const top = rect[1] * scale;
|
|
element.style.left = `${left}px`;
|
|
element.style.top = `${top}px`;
|
|
element.style.transformOrigin = `${-left}px ${-top}px`;
|
|
element.style.transform = ownMatrix;
|
|
} else {
|
|
element.style.transform = matrix;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.#setAnnotationCanvasMap(div, annotationCanvasMap);
|
|
div.hidden = false;
|
|
}
|
|
|
|
static #setAnnotationCanvasMap(div, annotationCanvasMap) {
|
|
if (!annotationCanvasMap) {
|
|
return;
|
|
}
|
|
|
|
for (const [id, canvas] of annotationCanvasMap) {
|
|
const element = div.querySelector(`[data-annotation-id="${id}"]`);
|
|
|
|
if (!element) {
|
|
continue;
|
|
}
|
|
|
|
const {
|
|
firstChild
|
|
} = element;
|
|
|
|
if (firstChild.nodeName === "CANVAS") {
|
|
element.replaceChild(canvas, firstChild);
|
|
} else {
|
|
element.insertBefore(canvas, firstChild);
|
|
}
|
|
}
|
|
|
|
annotationCanvasMap.clear();
|
|
}
|
|
|
|
}
|
|
|
|
exports.AnnotationLayer = AnnotationLayer;
|
|
|
|
/***/ }),
|
|
/* 19 */
|
|
/***/ ((__unused_webpack_module, exports) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.ColorConverters = void 0;
|
|
|
|
function makeColorComp(n) {
|
|
return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
|
|
}
|
|
|
|
class ColorConverters {
|
|
static CMYK_G([c, y, m, k]) {
|
|
return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
|
|
}
|
|
|
|
static G_CMYK([g]) {
|
|
return ["CMYK", 0, 0, 0, 1 - g];
|
|
}
|
|
|
|
static G_RGB([g]) {
|
|
return ["RGB", g, g, g];
|
|
}
|
|
|
|
static G_HTML([g]) {
|
|
const G = makeColorComp(g);
|
|
return `#${G}${G}${G}`;
|
|
}
|
|
|
|
static RGB_G([r, g, b]) {
|
|
return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
|
|
}
|
|
|
|
static RGB_HTML([r, g, b]) {
|
|
const R = makeColorComp(r);
|
|
const G = makeColorComp(g);
|
|
const B = makeColorComp(b);
|
|
return `#${R}${G}${B}`;
|
|
}
|
|
|
|
static T_HTML() {
|
|
return "#00000000";
|
|
}
|
|
|
|
static CMYK_RGB([c, y, m, k]) {
|
|
return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)];
|
|
}
|
|
|
|
static CMYK_HTML(components) {
|
|
return this.RGB_HTML(this.CMYK_RGB(components));
|
|
}
|
|
|
|
static RGB_CMYK([r, g, b]) {
|
|
const c = 1 - r;
|
|
const m = 1 - g;
|
|
const y = 1 - b;
|
|
const k = Math.min(c, m, y);
|
|
return ["CMYK", c, m, y, k];
|
|
}
|
|
|
|
}
|
|
|
|
exports.ColorConverters = ColorConverters;
|
|
|
|
/***/ }),
|
|
/* 20 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.XfaLayer = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _xfa_text = __w_pdfjs_require__(17);
|
|
|
|
class XfaLayer {
|
|
static setupStorage(html, id, element, storage, intent) {
|
|
const storedData = storage.getValue(id, {
|
|
value: null
|
|
});
|
|
|
|
switch (element.name) {
|
|
case "textarea":
|
|
if (storedData.value !== null) {
|
|
html.textContent = storedData.value;
|
|
}
|
|
|
|
if (intent === "print") {
|
|
break;
|
|
}
|
|
|
|
html.addEventListener("input", event => {
|
|
storage.setValue(id, {
|
|
value: event.target.value
|
|
});
|
|
});
|
|
break;
|
|
|
|
case "input":
|
|
if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
|
|
if (storedData.value === element.attributes.xfaOn) {
|
|
html.setAttribute("checked", true);
|
|
} else if (storedData.value === element.attributes.xfaOff) {
|
|
html.removeAttribute("checked");
|
|
}
|
|
|
|
if (intent === "print") {
|
|
break;
|
|
}
|
|
|
|
html.addEventListener("change", event => {
|
|
storage.setValue(id, {
|
|
value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
|
|
});
|
|
});
|
|
} else {
|
|
if (storedData.value !== null) {
|
|
html.setAttribute("value", storedData.value);
|
|
}
|
|
|
|
if (intent === "print") {
|
|
break;
|
|
}
|
|
|
|
html.addEventListener("input", event => {
|
|
storage.setValue(id, {
|
|
value: event.target.value
|
|
});
|
|
});
|
|
}
|
|
|
|
break;
|
|
|
|
case "select":
|
|
if (storedData.value !== null) {
|
|
for (const option of element.children) {
|
|
if (option.attributes.value === storedData.value) {
|
|
option.attributes.selected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
html.addEventListener("input", event => {
|
|
const options = event.target.options;
|
|
const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
|
|
storage.setValue(id, {
|
|
value
|
|
});
|
|
});
|
|
break;
|
|
}
|
|
}
|
|
|
|
static setAttributes({
|
|
html,
|
|
element,
|
|
storage = null,
|
|
intent,
|
|
linkService
|
|
}) {
|
|
const {
|
|
attributes
|
|
} = element;
|
|
const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
|
|
|
|
if (attributes.type === "radio") {
|
|
attributes.name = `${attributes.name}-${intent}`;
|
|
}
|
|
|
|
for (const [key, value] of Object.entries(attributes)) {
|
|
if (value === null || value === undefined || key === "dataId") {
|
|
continue;
|
|
}
|
|
|
|
if (key !== "style") {
|
|
if (key === "textContent") {
|
|
html.textContent = value;
|
|
} else if (key === "class") {
|
|
if (value.length) {
|
|
html.setAttribute(key, value.join(" "));
|
|
}
|
|
} else {
|
|
if (isHTMLAnchorElement && (key === "href" || key === "newWindow")) {
|
|
continue;
|
|
}
|
|
|
|
html.setAttribute(key, value);
|
|
}
|
|
} else {
|
|
Object.assign(html.style, value);
|
|
}
|
|
}
|
|
|
|
if (isHTMLAnchorElement) {
|
|
if (!linkService.addLinkAttributes) {
|
|
(0, _util.warn)("XfaLayer.setAttribute - missing `addLinkAttributes`-method on the `linkService`-instance.");
|
|
}
|
|
|
|
linkService.addLinkAttributes?.(html, attributes.href, attributes.newWindow);
|
|
}
|
|
|
|
if (storage && attributes.dataId) {
|
|
this.setupStorage(html, attributes.dataId, element, storage);
|
|
}
|
|
}
|
|
|
|
static render(parameters) {
|
|
const storage = parameters.annotationStorage;
|
|
const linkService = parameters.linkService;
|
|
const root = parameters.xfaHtml;
|
|
const intent = parameters.intent || "display";
|
|
const rootHtml = document.createElement(root.name);
|
|
|
|
if (root.attributes) {
|
|
this.setAttributes({
|
|
html: rootHtml,
|
|
element: root,
|
|
intent,
|
|
linkService
|
|
});
|
|
}
|
|
|
|
const stack = [[root, -1, rootHtml]];
|
|
const rootDiv = parameters.div;
|
|
rootDiv.appendChild(rootHtml);
|
|
|
|
if (parameters.viewport) {
|
|
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
|
|
rootDiv.style.transform = transform;
|
|
}
|
|
|
|
if (intent !== "richText") {
|
|
rootDiv.setAttribute("class", "xfaLayer xfaFont");
|
|
}
|
|
|
|
const textDivs = [];
|
|
|
|
while (stack.length > 0) {
|
|
const [parent, i, html] = stack[stack.length - 1];
|
|
|
|
if (i + 1 === parent.children.length) {
|
|
stack.pop();
|
|
continue;
|
|
}
|
|
|
|
const child = parent.children[++stack[stack.length - 1][1]];
|
|
|
|
if (child === null) {
|
|
continue;
|
|
}
|
|
|
|
const {
|
|
name
|
|
} = child;
|
|
|
|
if (name === "#text") {
|
|
const node = document.createTextNode(child.value);
|
|
textDivs.push(node);
|
|
html.appendChild(node);
|
|
continue;
|
|
}
|
|
|
|
let childHtml;
|
|
|
|
if (child?.attributes?.xmlns) {
|
|
childHtml = document.createElementNS(child.attributes.xmlns, name);
|
|
} else {
|
|
childHtml = document.createElement(name);
|
|
}
|
|
|
|
html.appendChild(childHtml);
|
|
|
|
if (child.attributes) {
|
|
this.setAttributes({
|
|
html: childHtml,
|
|
element: child,
|
|
storage,
|
|
intent,
|
|
linkService
|
|
});
|
|
}
|
|
|
|
if (child.children && child.children.length > 0) {
|
|
stack.push([child, -1, childHtml]);
|
|
} else if (child.value) {
|
|
const node = document.createTextNode(child.value);
|
|
|
|
if (_xfa_text.XfaText.shouldBuildText(name)) {
|
|
textDivs.push(node);
|
|
}
|
|
|
|
childHtml.appendChild(node);
|
|
}
|
|
}
|
|
|
|
for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
|
|
el.setAttribute("readOnly", true);
|
|
}
|
|
|
|
return {
|
|
textDivs
|
|
};
|
|
}
|
|
|
|
static update(parameters) {
|
|
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
|
|
parameters.div.style.transform = transform;
|
|
parameters.div.hidden = false;
|
|
}
|
|
|
|
}
|
|
|
|
exports.XfaLayer = XfaLayer;
|
|
|
|
/***/ }),
|
|
/* 21 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.renderTextLayer = renderTextLayer;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
const MAX_TEXT_DIVS_TO_RENDER = 100000;
|
|
const DEFAULT_FONT_SIZE = 30;
|
|
const DEFAULT_FONT_ASCENT = 0.8;
|
|
const ascentCache = new Map();
|
|
const AllWhitespaceRegexp = /^\s+$/g;
|
|
|
|
function getAscent(fontFamily, ctx) {
|
|
const cachedAscent = ascentCache.get(fontFamily);
|
|
|
|
if (cachedAscent) {
|
|
return cachedAscent;
|
|
}
|
|
|
|
ctx.save();
|
|
ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`;
|
|
const metrics = ctx.measureText("");
|
|
let ascent = metrics.fontBoundingBoxAscent;
|
|
let descent = Math.abs(metrics.fontBoundingBoxDescent);
|
|
|
|
if (ascent) {
|
|
ctx.restore();
|
|
const ratio = ascent / (ascent + descent);
|
|
ascentCache.set(fontFamily, ratio);
|
|
return ratio;
|
|
}
|
|
|
|
ctx.strokeStyle = "red";
|
|
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
|
|
ctx.strokeText("g", 0, 0);
|
|
let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
|
|
descent = 0;
|
|
|
|
for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
|
|
if (pixels[i] > 0) {
|
|
descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
|
|
ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
|
|
pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
|
|
ascent = 0;
|
|
|
|
for (let i = 0, ii = pixels.length; i < ii; i += 4) {
|
|
if (pixels[i] > 0) {
|
|
ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ctx.restore();
|
|
|
|
if (ascent) {
|
|
const ratio = ascent / (ascent + descent);
|
|
ascentCache.set(fontFamily, ratio);
|
|
return ratio;
|
|
}
|
|
|
|
ascentCache.set(fontFamily, DEFAULT_FONT_ASCENT);
|
|
return DEFAULT_FONT_ASCENT;
|
|
}
|
|
|
|
function appendText(task, geom, styles, ctx) {
|
|
const textDiv = document.createElement("span");
|
|
const textDivProperties = task._enhanceTextSelection ? {
|
|
angle: 0,
|
|
canvasWidth: 0,
|
|
hasText: geom.str !== "",
|
|
hasEOL: geom.hasEOL,
|
|
originalTransform: null,
|
|
paddingBottom: 0,
|
|
paddingLeft: 0,
|
|
paddingRight: 0,
|
|
paddingTop: 0,
|
|
scale: 1
|
|
} : {
|
|
angle: 0,
|
|
canvasWidth: 0,
|
|
hasText: geom.str !== "",
|
|
hasEOL: geom.hasEOL
|
|
};
|
|
|
|
task._textDivs.push(textDiv);
|
|
|
|
const tx = _util.Util.transform(task._viewport.transform, geom.transform);
|
|
|
|
let angle = Math.atan2(tx[1], tx[0]);
|
|
const style = styles[geom.fontName];
|
|
|
|
if (style.vertical) {
|
|
angle += Math.PI / 2;
|
|
}
|
|
|
|
const fontHeight = Math.hypot(tx[2], tx[3]);
|
|
const fontAscent = fontHeight * getAscent(style.fontFamily, ctx);
|
|
let left, top;
|
|
|
|
if (angle === 0) {
|
|
left = tx[4];
|
|
top = tx[5] - fontAscent;
|
|
} else {
|
|
left = tx[4] + fontAscent * Math.sin(angle);
|
|
top = tx[5] - fontAscent * Math.cos(angle);
|
|
}
|
|
|
|
textDiv.style.left = `${left}px`;
|
|
textDiv.style.top = `${top}px`;
|
|
textDiv.style.fontSize = `${fontHeight}px`;
|
|
textDiv.style.fontFamily = style.fontFamily;
|
|
textDiv.setAttribute("role", "presentation");
|
|
textDiv.textContent = geom.str;
|
|
textDiv.dir = geom.dir;
|
|
|
|
if (task._fontInspectorEnabled) {
|
|
textDiv.dataset.fontName = geom.fontName;
|
|
}
|
|
|
|
if (angle !== 0) {
|
|
textDivProperties.angle = angle * (180 / Math.PI);
|
|
}
|
|
|
|
let shouldScaleText = false;
|
|
|
|
if (geom.str.length > 1 || task._enhanceTextSelection && AllWhitespaceRegexp.test(geom.str)) {
|
|
shouldScaleText = true;
|
|
} else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
|
|
const absScaleX = Math.abs(geom.transform[0]),
|
|
absScaleY = Math.abs(geom.transform[3]);
|
|
|
|
if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
|
|
shouldScaleText = true;
|
|
}
|
|
}
|
|
|
|
if (shouldScaleText) {
|
|
if (style.vertical) {
|
|
textDivProperties.canvasWidth = geom.height * task._viewport.scale;
|
|
} else {
|
|
textDivProperties.canvasWidth = geom.width * task._viewport.scale;
|
|
}
|
|
}
|
|
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
|
|
if (task._textContentStream) {
|
|
task._layoutText(textDiv);
|
|
}
|
|
|
|
if (task._enhanceTextSelection && textDivProperties.hasText) {
|
|
let angleCos = 1,
|
|
angleSin = 0;
|
|
|
|
if (angle !== 0) {
|
|
angleCos = Math.cos(angle);
|
|
angleSin = Math.sin(angle);
|
|
}
|
|
|
|
const divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
|
|
const divHeight = fontHeight;
|
|
let m, b;
|
|
|
|
if (angle !== 0) {
|
|
m = [angleCos, angleSin, -angleSin, angleCos, left, top];
|
|
b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
|
|
} else {
|
|
b = [left, top, left + divWidth, top + divHeight];
|
|
}
|
|
|
|
task._bounds.push({
|
|
left: b[0],
|
|
top: b[1],
|
|
right: b[2],
|
|
bottom: b[3],
|
|
div: textDiv,
|
|
size: [divWidth, divHeight],
|
|
m
|
|
});
|
|
}
|
|
}
|
|
|
|
function render(task) {
|
|
if (task._canceled) {
|
|
return;
|
|
}
|
|
|
|
const textDivs = task._textDivs;
|
|
const capability = task._capability;
|
|
const textDivsLength = textDivs.length;
|
|
|
|
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
return;
|
|
}
|
|
|
|
if (!task._textContentStream) {
|
|
for (let i = 0; i < textDivsLength; i++) {
|
|
task._layoutText(textDivs[i]);
|
|
}
|
|
}
|
|
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
}
|
|
|
|
function findPositiveMin(ts, offset, count) {
|
|
let result = 0;
|
|
|
|
for (let i = 0; i < count; i++) {
|
|
const t = ts[offset++];
|
|
|
|
if (t > 0) {
|
|
result = result ? Math.min(t, result) : t;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
function expand(task) {
|
|
const bounds = task._bounds;
|
|
const viewport = task._viewport;
|
|
const expanded = expandBounds(viewport.width, viewport.height, bounds);
|
|
|
|
for (let i = 0; i < expanded.length; i++) {
|
|
const div = bounds[i].div;
|
|
|
|
const divProperties = task._textDivProperties.get(div);
|
|
|
|
if (divProperties.angle === 0) {
|
|
divProperties.paddingLeft = bounds[i].left - expanded[i].left;
|
|
divProperties.paddingTop = bounds[i].top - expanded[i].top;
|
|
divProperties.paddingRight = expanded[i].right - bounds[i].right;
|
|
divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
|
|
|
|
task._textDivProperties.set(div, divProperties);
|
|
|
|
continue;
|
|
}
|
|
|
|
const e = expanded[i],
|
|
b = bounds[i];
|
|
const m = b.m,
|
|
c = m[0],
|
|
s = m[1];
|
|
const points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
|
|
const ts = new Float64Array(64);
|
|
|
|
for (let j = 0, jj = points.length; j < jj; j++) {
|
|
const t = _util.Util.applyTransform(points[j], m);
|
|
|
|
ts[j + 0] = c && (e.left - t[0]) / c;
|
|
ts[j + 4] = s && (e.top - t[1]) / s;
|
|
ts[j + 8] = c && (e.right - t[0]) / c;
|
|
ts[j + 12] = s && (e.bottom - t[1]) / s;
|
|
ts[j + 16] = s && (e.left - t[0]) / -s;
|
|
ts[j + 20] = c && (e.top - t[1]) / c;
|
|
ts[j + 24] = s && (e.right - t[0]) / -s;
|
|
ts[j + 28] = c && (e.bottom - t[1]) / c;
|
|
ts[j + 32] = c && (e.left - t[0]) / -c;
|
|
ts[j + 36] = s && (e.top - t[1]) / -s;
|
|
ts[j + 40] = c && (e.right - t[0]) / -c;
|
|
ts[j + 44] = s && (e.bottom - t[1]) / -s;
|
|
ts[j + 48] = s && (e.left - t[0]) / s;
|
|
ts[j + 52] = c && (e.top - t[1]) / -c;
|
|
ts[j + 56] = s && (e.right - t[0]) / s;
|
|
ts[j + 60] = c && (e.bottom - t[1]) / -c;
|
|
}
|
|
|
|
const boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
|
|
divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
|
|
divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
|
|
divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
|
|
divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
|
|
|
|
task._textDivProperties.set(div, divProperties);
|
|
}
|
|
}
|
|
|
|
function expandBounds(width, height, boxes) {
|
|
const bounds = boxes.map(function (box, i) {
|
|
return {
|
|
x1: box.left,
|
|
y1: box.top,
|
|
x2: box.right,
|
|
y2: box.bottom,
|
|
index: i,
|
|
x1New: undefined,
|
|
x2New: undefined
|
|
};
|
|
});
|
|
expandBoundsLTR(width, bounds);
|
|
const expanded = new Array(boxes.length);
|
|
|
|
for (const b of bounds) {
|
|
const i = b.index;
|
|
expanded[i] = {
|
|
left: b.x1New,
|
|
top: 0,
|
|
right: b.x2New,
|
|
bottom: 0
|
|
};
|
|
}
|
|
|
|
boxes.map(function (box, i) {
|
|
const e = expanded[i],
|
|
b = bounds[i];
|
|
b.x1 = box.top;
|
|
b.y1 = width - e.right;
|
|
b.x2 = box.bottom;
|
|
b.y2 = width - e.left;
|
|
b.index = i;
|
|
b.x1New = undefined;
|
|
b.x2New = undefined;
|
|
});
|
|
expandBoundsLTR(height, bounds);
|
|
|
|
for (const b of bounds) {
|
|
const i = b.index;
|
|
expanded[i].top = b.x1New;
|
|
expanded[i].bottom = b.x2New;
|
|
}
|
|
|
|
return expanded;
|
|
}
|
|
|
|
function expandBoundsLTR(width, bounds) {
|
|
bounds.sort(function (a, b) {
|
|
return a.x1 - b.x1 || a.index - b.index;
|
|
});
|
|
const fakeBoundary = {
|
|
x1: -Infinity,
|
|
y1: -Infinity,
|
|
x2: 0,
|
|
y2: Infinity,
|
|
index: -1,
|
|
x1New: 0,
|
|
x2New: 0
|
|
};
|
|
const horizon = [{
|
|
start: -Infinity,
|
|
end: Infinity,
|
|
boundary: fakeBoundary
|
|
}];
|
|
|
|
for (const boundary of bounds) {
|
|
let i = 0;
|
|
|
|
while (i < horizon.length && horizon[i].end <= boundary.y1) {
|
|
i++;
|
|
}
|
|
|
|
let j = horizon.length - 1;
|
|
|
|
while (j >= 0 && horizon[j].start >= boundary.y2) {
|
|
j--;
|
|
}
|
|
|
|
let horizonPart, affectedBoundary;
|
|
let q,
|
|
k,
|
|
maxXNew = -Infinity;
|
|
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
let xNew;
|
|
|
|
if (affectedBoundary.x2 > boundary.x1) {
|
|
xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
|
|
} else if (affectedBoundary.x2New === undefined) {
|
|
xNew = (affectedBoundary.x2 + boundary.x1) / 2;
|
|
} else {
|
|
xNew = affectedBoundary.x2New;
|
|
}
|
|
|
|
if (xNew > maxXNew) {
|
|
maxXNew = xNew;
|
|
}
|
|
}
|
|
|
|
boundary.x1New = maxXNew;
|
|
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
|
|
if (affectedBoundary.x2New === undefined) {
|
|
if (affectedBoundary.x2 > boundary.x1) {
|
|
if (affectedBoundary.index > boundary.index) {
|
|
affectedBoundary.x2New = affectedBoundary.x2;
|
|
}
|
|
} else {
|
|
affectedBoundary.x2New = maxXNew;
|
|
}
|
|
} else if (affectedBoundary.x2New > maxXNew) {
|
|
affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
|
|
}
|
|
}
|
|
|
|
const changedHorizon = [];
|
|
let lastBoundary = null;
|
|
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
const useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
|
|
|
|
if (lastBoundary === useBoundary) {
|
|
changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
|
|
} else {
|
|
changedHorizon.push({
|
|
start: horizonPart.start,
|
|
end: horizonPart.end,
|
|
boundary: useBoundary
|
|
});
|
|
lastBoundary = useBoundary;
|
|
}
|
|
}
|
|
|
|
if (horizon[i].start < boundary.y1) {
|
|
changedHorizon[0].start = boundary.y1;
|
|
changedHorizon.unshift({
|
|
start: horizon[i].start,
|
|
end: boundary.y1,
|
|
boundary: horizon[i].boundary
|
|
});
|
|
}
|
|
|
|
if (boundary.y2 < horizon[j].end) {
|
|
changedHorizon[changedHorizon.length - 1].end = boundary.y2;
|
|
changedHorizon.push({
|
|
start: boundary.y2,
|
|
end: horizon[j].end,
|
|
boundary: horizon[j].boundary
|
|
});
|
|
}
|
|
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
|
|
if (affectedBoundary.x2New !== undefined) {
|
|
continue;
|
|
}
|
|
|
|
let used = false;
|
|
|
|
for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
|
|
used = horizon[k].boundary === affectedBoundary;
|
|
}
|
|
|
|
for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
|
|
used = horizon[k].boundary === affectedBoundary;
|
|
}
|
|
|
|
for (k = 0; !used && k < changedHorizon.length; k++) {
|
|
used = changedHorizon[k].boundary === affectedBoundary;
|
|
}
|
|
|
|
if (!used) {
|
|
affectedBoundary.x2New = maxXNew;
|
|
}
|
|
}
|
|
|
|
Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
|
|
}
|
|
|
|
for (const horizonPart of horizon) {
|
|
const affectedBoundary = horizonPart.boundary;
|
|
|
|
if (affectedBoundary.x2New === undefined) {
|
|
affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
|
|
}
|
|
}
|
|
}
|
|
|
|
class TextLayerRenderTask {
|
|
constructor({
|
|
textContent,
|
|
textContentStream,
|
|
container,
|
|
viewport,
|
|
textDivs,
|
|
textContentItemsStr,
|
|
enhanceTextSelection
|
|
}) {
|
|
this._textContent = textContent;
|
|
this._textContentStream = textContentStream;
|
|
this._container = container;
|
|
this._document = container.ownerDocument;
|
|
this._viewport = viewport;
|
|
this._textDivs = textDivs || [];
|
|
this._textContentItemsStr = textContentItemsStr || [];
|
|
this._enhanceTextSelection = !!enhanceTextSelection;
|
|
this._fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
|
|
this._reader = null;
|
|
this._layoutTextLastFontSize = null;
|
|
this._layoutTextLastFontFamily = null;
|
|
this._layoutTextCtx = null;
|
|
this._textDivProperties = new WeakMap();
|
|
this._renderingDone = false;
|
|
this._canceled = false;
|
|
this._capability = (0, _util.createPromiseCapability)();
|
|
this._renderTimer = null;
|
|
this._bounds = [];
|
|
|
|
this._capability.promise.finally(() => {
|
|
if (!this._enhanceTextSelection) {
|
|
this._textDivProperties = null;
|
|
}
|
|
|
|
if (this._layoutTextCtx) {
|
|
this._layoutTextCtx.canvas.width = 0;
|
|
this._layoutTextCtx.canvas.height = 0;
|
|
this._layoutTextCtx = null;
|
|
}
|
|
}).catch(() => {});
|
|
}
|
|
|
|
get promise() {
|
|
return this._capability.promise;
|
|
}
|
|
|
|
cancel() {
|
|
this._canceled = true;
|
|
|
|
if (this._reader) {
|
|
this._reader.cancel(new _util.AbortException("TextLayer task cancelled.")).catch(() => {});
|
|
|
|
this._reader = null;
|
|
}
|
|
|
|
if (this._renderTimer !== null) {
|
|
clearTimeout(this._renderTimer);
|
|
this._renderTimer = null;
|
|
}
|
|
|
|
this._capability.reject(new Error("TextLayer task cancelled."));
|
|
}
|
|
|
|
_processItems(items, styleCache) {
|
|
for (let i = 0, len = items.length; i < len; i++) {
|
|
if (items[i].str === undefined) {
|
|
if (items[i].type === "beginMarkedContentProps" || items[i].type === "beginMarkedContent") {
|
|
const parent = this._container;
|
|
this._container = document.createElement("span");
|
|
|
|
this._container.classList.add("markedContent");
|
|
|
|
if (items[i].id !== null) {
|
|
this._container.setAttribute("id", `${items[i].id}`);
|
|
}
|
|
|
|
parent.appendChild(this._container);
|
|
} else if (items[i].type === "endMarkedContent") {
|
|
this._container = this._container.parentNode;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
this._textContentItemsStr.push(items[i].str);
|
|
|
|
appendText(this, items[i], styleCache, this._layoutTextCtx);
|
|
}
|
|
}
|
|
|
|
_layoutText(textDiv) {
|
|
const textDivProperties = this._textDivProperties.get(textDiv);
|
|
|
|
let transform = "";
|
|
|
|
if (textDivProperties.canvasWidth !== 0 && textDivProperties.hasText) {
|
|
const {
|
|
fontSize,
|
|
fontFamily
|
|
} = textDiv.style;
|
|
|
|
if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
|
|
this._layoutTextCtx.font = `${fontSize} ${fontFamily}`;
|
|
this._layoutTextLastFontSize = fontSize;
|
|
this._layoutTextLastFontFamily = fontFamily;
|
|
}
|
|
|
|
const {
|
|
width
|
|
} = this._layoutTextCtx.measureText(textDiv.textContent);
|
|
|
|
if (width > 0) {
|
|
const scale = textDivProperties.canvasWidth / width;
|
|
|
|
if (this._enhanceTextSelection) {
|
|
textDivProperties.scale = scale;
|
|
}
|
|
|
|
transform = `scaleX(${scale})`;
|
|
}
|
|
}
|
|
|
|
if (textDivProperties.angle !== 0) {
|
|
transform = `rotate(${textDivProperties.angle}deg) ${transform}`;
|
|
}
|
|
|
|
if (transform.length > 0) {
|
|
if (this._enhanceTextSelection) {
|
|
textDivProperties.originalTransform = transform;
|
|
}
|
|
|
|
textDiv.style.transform = transform;
|
|
}
|
|
|
|
if (textDivProperties.hasText) {
|
|
this._container.appendChild(textDiv);
|
|
}
|
|
|
|
if (textDivProperties.hasEOL) {
|
|
const br = document.createElement("br");
|
|
br.setAttribute("role", "presentation");
|
|
|
|
this._container.appendChild(br);
|
|
}
|
|
}
|
|
|
|
_render(timeout = 0) {
|
|
const capability = (0, _util.createPromiseCapability)();
|
|
let styleCache = Object.create(null);
|
|
|
|
const canvas = this._document.createElement("canvas");
|
|
|
|
canvas.height = canvas.width = DEFAULT_FONT_SIZE;
|
|
canvas.mozOpaque = true;
|
|
this._layoutTextCtx = canvas.getContext("2d", {
|
|
alpha: false
|
|
});
|
|
|
|
if (this._textContent) {
|
|
const textItems = this._textContent.items;
|
|
const textStyles = this._textContent.styles;
|
|
|
|
this._processItems(textItems, textStyles);
|
|
|
|
capability.resolve();
|
|
} else if (this._textContentStream) {
|
|
const pump = () => {
|
|
this._reader.read().then(({
|
|
value,
|
|
done
|
|
}) => {
|
|
if (done) {
|
|
capability.resolve();
|
|
return;
|
|
}
|
|
|
|
Object.assign(styleCache, value.styles);
|
|
|
|
this._processItems(value.items, styleCache);
|
|
|
|
pump();
|
|
}, capability.reject);
|
|
};
|
|
|
|
this._reader = this._textContentStream.getReader();
|
|
pump();
|
|
} else {
|
|
throw new Error('Neither "textContent" nor "textContentStream" parameters specified.');
|
|
}
|
|
|
|
capability.promise.then(() => {
|
|
styleCache = null;
|
|
|
|
if (!timeout) {
|
|
render(this);
|
|
} else {
|
|
this._renderTimer = setTimeout(() => {
|
|
render(this);
|
|
this._renderTimer = null;
|
|
}, timeout);
|
|
}
|
|
}, this._capability.reject);
|
|
}
|
|
|
|
expandTextDivs(expandDivs = false) {
|
|
if (!this._enhanceTextSelection || !this._renderingDone) {
|
|
return;
|
|
}
|
|
|
|
if (this._bounds !== null) {
|
|
expand(this);
|
|
this._bounds = null;
|
|
}
|
|
|
|
const transformBuf = [],
|
|
paddingBuf = [];
|
|
|
|
for (let i = 0, ii = this._textDivs.length; i < ii; i++) {
|
|
const div = this._textDivs[i];
|
|
|
|
const divProps = this._textDivProperties.get(div);
|
|
|
|
if (!divProps.hasText) {
|
|
continue;
|
|
}
|
|
|
|
if (expandDivs) {
|
|
transformBuf.length = 0;
|
|
paddingBuf.length = 0;
|
|
|
|
if (divProps.originalTransform) {
|
|
transformBuf.push(divProps.originalTransform);
|
|
}
|
|
|
|
if (divProps.paddingTop > 0) {
|
|
paddingBuf.push(`${divProps.paddingTop}px`);
|
|
transformBuf.push(`translateY(${-divProps.paddingTop}px)`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingRight > 0) {
|
|
paddingBuf.push(`${divProps.paddingRight / divProps.scale}px`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingBottom > 0) {
|
|
paddingBuf.push(`${divProps.paddingBottom}px`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
if (divProps.paddingLeft > 0) {
|
|
paddingBuf.push(`${divProps.paddingLeft / divProps.scale}px`);
|
|
transformBuf.push(`translateX(${-divProps.paddingLeft / divProps.scale}px)`);
|
|
} else {
|
|
paddingBuf.push(0);
|
|
}
|
|
|
|
div.style.padding = paddingBuf.join(" ");
|
|
|
|
if (transformBuf.length) {
|
|
div.style.transform = transformBuf.join(" ");
|
|
}
|
|
} else {
|
|
div.style.padding = null;
|
|
div.style.transform = divProps.originalTransform;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function renderTextLayer(renderParameters) {
|
|
const task = new TextLayerRenderTask({
|
|
textContent: renderParameters.textContent,
|
|
textContentStream: renderParameters.textContentStream,
|
|
container: renderParameters.container,
|
|
viewport: renderParameters.viewport,
|
|
textDivs: renderParameters.textDivs,
|
|
textContentItemsStr: renderParameters.textContentItemsStr,
|
|
enhanceTextSelection: renderParameters.enhanceTextSelection
|
|
});
|
|
|
|
task._render(renderParameters.timeout);
|
|
|
|
return task;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 22 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.SVGGraphics = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
var _is_node = __w_pdfjs_require__(3);
|
|
|
|
let SVGGraphics = class {
|
|
constructor() {
|
|
(0, _util.unreachable)("Not implemented: SVGGraphics");
|
|
}
|
|
|
|
};
|
|
exports.SVGGraphics = SVGGraphics;
|
|
{
|
|
const SVG_DEFAULTS = {
|
|
fontStyle: "normal",
|
|
fontWeight: "normal",
|
|
fillColor: "#000000"
|
|
};
|
|
const XML_NS = "http://www.w3.org/XML/1998/namespace";
|
|
const XLINK_NS = "http://www.w3.org/1999/xlink";
|
|
const LINE_CAP_STYLES = ["butt", "round", "square"];
|
|
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
|
|
|
|
const createObjectURL = function (data, contentType = "", forceDataSchema = false) {
|
|
if (URL.createObjectURL && typeof Blob !== "undefined" && !forceDataSchema) {
|
|
return URL.createObjectURL(new Blob([data], {
|
|
type: contentType
|
|
}));
|
|
}
|
|
|
|
const digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
|
|
let buffer = `data:${contentType};base64,`;
|
|
|
|
for (let i = 0, ii = data.length; i < ii; i += 3) {
|
|
const b1 = data[i] & 0xff;
|
|
const b2 = data[i + 1] & 0xff;
|
|
const b3 = data[i + 2] & 0xff;
|
|
const d1 = b1 >> 2,
|
|
d2 = (b1 & 3) << 4 | b2 >> 4;
|
|
const d3 = i + 1 < ii ? (b2 & 0xf) << 2 | b3 >> 6 : 64;
|
|
const d4 = i + 2 < ii ? b3 & 0x3f : 64;
|
|
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
|
|
}
|
|
|
|
return buffer;
|
|
};
|
|
|
|
const convertImgDataToPng = function () {
|
|
const PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
|
|
const CHUNK_WRAPPER_SIZE = 12;
|
|
const crcTable = new Int32Array(256);
|
|
|
|
for (let i = 0; i < 256; i++) {
|
|
let c = i;
|
|
|
|
for (let h = 0; h < 8; h++) {
|
|
if (c & 1) {
|
|
c = 0xedb88320 ^ c >> 1 & 0x7fffffff;
|
|
} else {
|
|
c = c >> 1 & 0x7fffffff;
|
|
}
|
|
}
|
|
|
|
crcTable[i] = c;
|
|
}
|
|
|
|
function crc32(data, start, end) {
|
|
let crc = -1;
|
|
|
|
for (let i = start; i < end; i++) {
|
|
const a = (crc ^ data[i]) & 0xff;
|
|
const b = crcTable[a];
|
|
crc = crc >>> 8 ^ b;
|
|
}
|
|
|
|
return crc ^ -1;
|
|
}
|
|
|
|
function writePngChunk(type, body, data, offset) {
|
|
let p = offset;
|
|
const len = body.length;
|
|
data[p] = len >> 24 & 0xff;
|
|
data[p + 1] = len >> 16 & 0xff;
|
|
data[p + 2] = len >> 8 & 0xff;
|
|
data[p + 3] = len & 0xff;
|
|
p += 4;
|
|
data[p] = type.charCodeAt(0) & 0xff;
|
|
data[p + 1] = type.charCodeAt(1) & 0xff;
|
|
data[p + 2] = type.charCodeAt(2) & 0xff;
|
|
data[p + 3] = type.charCodeAt(3) & 0xff;
|
|
p += 4;
|
|
data.set(body, p);
|
|
p += body.length;
|
|
const crc = crc32(data, offset + 4, p);
|
|
data[p] = crc >> 24 & 0xff;
|
|
data[p + 1] = crc >> 16 & 0xff;
|
|
data[p + 2] = crc >> 8 & 0xff;
|
|
data[p + 3] = crc & 0xff;
|
|
}
|
|
|
|
function adler32(data, start, end) {
|
|
let a = 1;
|
|
let b = 0;
|
|
|
|
for (let i = start; i < end; ++i) {
|
|
a = (a + (data[i] & 0xff)) % 65521;
|
|
b = (b + a) % 65521;
|
|
}
|
|
|
|
return b << 16 | a;
|
|
}
|
|
|
|
function deflateSync(literals) {
|
|
if (!_is_node.isNodeJS) {
|
|
return deflateSyncUncompressed(literals);
|
|
}
|
|
|
|
try {
|
|
let input;
|
|
|
|
if (parseInt(process.versions.node) >= 8) {
|
|
input = literals;
|
|
} else {
|
|
input = Buffer.from(literals);
|
|
}
|
|
|
|
const output = require("zlib").deflateSync(input, {
|
|
level: 9
|
|
});
|
|
|
|
return output instanceof Uint8Array ? output : new Uint8Array(output);
|
|
} catch (e) {
|
|
(0, _util.warn)("Not compressing PNG because zlib.deflateSync is unavailable: " + e);
|
|
}
|
|
|
|
return deflateSyncUncompressed(literals);
|
|
}
|
|
|
|
function deflateSyncUncompressed(literals) {
|
|
let len = literals.length;
|
|
const maxBlockLength = 0xffff;
|
|
const deflateBlocks = Math.ceil(len / maxBlockLength);
|
|
const idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
|
|
let pi = 0;
|
|
idat[pi++] = 0x78;
|
|
idat[pi++] = 0x9c;
|
|
let pos = 0;
|
|
|
|
while (len > maxBlockLength) {
|
|
idat[pi++] = 0x00;
|
|
idat[pi++] = 0xff;
|
|
idat[pi++] = 0xff;
|
|
idat[pi++] = 0x00;
|
|
idat[pi++] = 0x00;
|
|
idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
|
|
pi += maxBlockLength;
|
|
pos += maxBlockLength;
|
|
len -= maxBlockLength;
|
|
}
|
|
|
|
idat[pi++] = 0x01;
|
|
idat[pi++] = len & 0xff;
|
|
idat[pi++] = len >> 8 & 0xff;
|
|
idat[pi++] = ~len & 0xffff & 0xff;
|
|
idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
|
|
idat.set(literals.subarray(pos), pi);
|
|
pi += literals.length - pos;
|
|
const adler = adler32(literals, 0, literals.length);
|
|
idat[pi++] = adler >> 24 & 0xff;
|
|
idat[pi++] = adler >> 16 & 0xff;
|
|
idat[pi++] = adler >> 8 & 0xff;
|
|
idat[pi++] = adler & 0xff;
|
|
return idat;
|
|
}
|
|
|
|
function encode(imgData, kind, forceDataSchema, isMask) {
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
let bitDepth, colorType, lineSize;
|
|
const bytes = imgData.data;
|
|
|
|
switch (kind) {
|
|
case _util.ImageKind.GRAYSCALE_1BPP:
|
|
colorType = 0;
|
|
bitDepth = 1;
|
|
lineSize = width + 7 >> 3;
|
|
break;
|
|
|
|
case _util.ImageKind.RGB_24BPP:
|
|
colorType = 2;
|
|
bitDepth = 8;
|
|
lineSize = width * 3;
|
|
break;
|
|
|
|
case _util.ImageKind.RGBA_32BPP:
|
|
colorType = 6;
|
|
bitDepth = 8;
|
|
lineSize = width * 4;
|
|
break;
|
|
|
|
default:
|
|
throw new Error("invalid format");
|
|
}
|
|
|
|
const literals = new Uint8Array((1 + lineSize) * height);
|
|
let offsetLiterals = 0,
|
|
offsetBytes = 0;
|
|
|
|
for (let y = 0; y < height; ++y) {
|
|
literals[offsetLiterals++] = 0;
|
|
literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
|
|
offsetBytes += lineSize;
|
|
offsetLiterals += lineSize;
|
|
}
|
|
|
|
if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
|
|
offsetLiterals = 0;
|
|
|
|
for (let y = 0; y < height; y++) {
|
|
offsetLiterals++;
|
|
|
|
for (let i = 0; i < lineSize; i++) {
|
|
literals[offsetLiterals++] ^= 0xff;
|
|
}
|
|
}
|
|
}
|
|
|
|
const ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
|
|
const idat = deflateSync(literals);
|
|
const pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
|
|
const data = new Uint8Array(pngLength);
|
|
let offset = 0;
|
|
data.set(PNG_HEADER, offset);
|
|
offset += PNG_HEADER.length;
|
|
writePngChunk("IHDR", ihdr, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + ihdr.length;
|
|
writePngChunk("IDATA", idat, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + idat.length;
|
|
writePngChunk("IEND", new Uint8Array(0), data, offset);
|
|
return createObjectURL(data, "image/png", forceDataSchema);
|
|
}
|
|
|
|
return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
|
|
const kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
|
|
return encode(imgData, kind, forceDataSchema, isMask);
|
|
};
|
|
}();
|
|
|
|
class SVGExtraState {
|
|
constructor() {
|
|
this.fontSizeScale = 1;
|
|
this.fontWeight = SVG_DEFAULTS.fontWeight;
|
|
this.fontSize = 0;
|
|
this.textMatrix = _util.IDENTITY_MATRIX;
|
|
this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
|
|
this.leading = 0;
|
|
this.textRenderingMode = _util.TextRenderingMode.FILL;
|
|
this.textMatrixScale = 1;
|
|
this.x = 0;
|
|
this.y = 0;
|
|
this.lineX = 0;
|
|
this.lineY = 0;
|
|
this.charSpacing = 0;
|
|
this.wordSpacing = 0;
|
|
this.textHScale = 1;
|
|
this.textRise = 0;
|
|
this.fillColor = SVG_DEFAULTS.fillColor;
|
|
this.strokeColor = "#000000";
|
|
this.fillAlpha = 1;
|
|
this.strokeAlpha = 1;
|
|
this.lineWidth = 1;
|
|
this.lineJoin = "";
|
|
this.lineCap = "";
|
|
this.miterLimit = 0;
|
|
this.dashArray = [];
|
|
this.dashPhase = 0;
|
|
this.dependencies = [];
|
|
this.activeClipUrl = null;
|
|
this.clipGroup = null;
|
|
this.maskId = "";
|
|
}
|
|
|
|
clone() {
|
|
return Object.create(this);
|
|
}
|
|
|
|
setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
}
|
|
|
|
function opListToTree(opList) {
|
|
let opTree = [];
|
|
const tmp = [];
|
|
|
|
for (const opListElement of opList) {
|
|
if (opListElement.fn === "save") {
|
|
opTree.push({
|
|
fnId: 92,
|
|
fn: "group",
|
|
items: []
|
|
});
|
|
tmp.push(opTree);
|
|
opTree = opTree[opTree.length - 1].items;
|
|
continue;
|
|
}
|
|
|
|
if (opListElement.fn === "restore") {
|
|
opTree = tmp.pop();
|
|
} else {
|
|
opTree.push(opListElement);
|
|
}
|
|
}
|
|
|
|
return opTree;
|
|
}
|
|
|
|
function pf(value) {
|
|
if (Number.isInteger(value)) {
|
|
return value.toString();
|
|
}
|
|
|
|
const s = value.toFixed(10);
|
|
let i = s.length - 1;
|
|
|
|
if (s[i] !== "0") {
|
|
return s;
|
|
}
|
|
|
|
do {
|
|
i--;
|
|
} while (s[i] === "0");
|
|
|
|
return s.substring(0, s[i] === "." ? i : i + 1);
|
|
}
|
|
|
|
function pm(m) {
|
|
if (m[4] === 0 && m[5] === 0) {
|
|
if (m[1] === 0 && m[2] === 0) {
|
|
if (m[0] === 1 && m[3] === 1) {
|
|
return "";
|
|
}
|
|
|
|
return `scale(${pf(m[0])} ${pf(m[3])})`;
|
|
}
|
|
|
|
if (m[0] === m[3] && m[1] === -m[2]) {
|
|
const a = Math.acos(m[0]) * 180 / Math.PI;
|
|
return `rotate(${pf(a)})`;
|
|
}
|
|
} else {
|
|
if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
|
|
return `translate(${pf(m[4])} ${pf(m[5])})`;
|
|
}
|
|
}
|
|
|
|
return `matrix(${pf(m[0])} ${pf(m[1])} ${pf(m[2])} ${pf(m[3])} ${pf(m[4])} ` + `${pf(m[5])})`;
|
|
}
|
|
|
|
let clipCount = 0;
|
|
let maskCount = 0;
|
|
let shadingCount = 0;
|
|
exports.SVGGraphics = SVGGraphics = class {
|
|
constructor(commonObjs, objs, forceDataSchema = false) {
|
|
this.svgFactory = new _display_utils.DOMSVGFactory();
|
|
this.current = new SVGExtraState();
|
|
this.transformMatrix = _util.IDENTITY_MATRIX;
|
|
this.transformStack = [];
|
|
this.extraStack = [];
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.pendingClip = null;
|
|
this.pendingEOFill = false;
|
|
this.embedFonts = false;
|
|
this.embeddedFonts = Object.create(null);
|
|
this.cssStyle = null;
|
|
this.forceDataSchema = !!forceDataSchema;
|
|
this._operatorIdMapping = [];
|
|
|
|
for (const op in _util.OPS) {
|
|
this._operatorIdMapping[_util.OPS[op]] = op;
|
|
}
|
|
}
|
|
|
|
save() {
|
|
this.transformStack.push(this.transformMatrix);
|
|
const old = this.current;
|
|
this.extraStack.push(old);
|
|
this.current = old.clone();
|
|
}
|
|
|
|
restore() {
|
|
this.transformMatrix = this.transformStack.pop();
|
|
this.current = this.extraStack.pop();
|
|
this.pendingClip = null;
|
|
this.tgrp = null;
|
|
}
|
|
|
|
group(items) {
|
|
this.save();
|
|
this.executeOpTree(items);
|
|
this.restore();
|
|
}
|
|
|
|
loadDependencies(operatorList) {
|
|
const fnArray = operatorList.fnArray;
|
|
const argsArray = operatorList.argsArray;
|
|
|
|
for (let i = 0, ii = fnArray.length; i < ii; i++) {
|
|
if (fnArray[i] !== _util.OPS.dependency) {
|
|
continue;
|
|
}
|
|
|
|
for (const obj of argsArray[i]) {
|
|
const objsPool = obj.startsWith("g_") ? this.commonObjs : this.objs;
|
|
const promise = new Promise(resolve => {
|
|
objsPool.get(obj, resolve);
|
|
});
|
|
this.current.dependencies.push(promise);
|
|
}
|
|
}
|
|
|
|
return Promise.all(this.current.dependencies);
|
|
}
|
|
|
|
transform(a, b, c, d, e, f) {
|
|
const transformMatrix = [a, b, c, d, e, f];
|
|
this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
|
|
this.tgrp = null;
|
|
}
|
|
|
|
getSVG(operatorList, viewport) {
|
|
this.viewport = viewport;
|
|
|
|
const svgElement = this._initialize(viewport);
|
|
|
|
return this.loadDependencies(operatorList).then(() => {
|
|
this.transformMatrix = _util.IDENTITY_MATRIX;
|
|
this.executeOpTree(this.convertOpList(operatorList));
|
|
return svgElement;
|
|
});
|
|
}
|
|
|
|
convertOpList(operatorList) {
|
|
const operatorIdMapping = this._operatorIdMapping;
|
|
const argsArray = operatorList.argsArray;
|
|
const fnArray = operatorList.fnArray;
|
|
const opList = [];
|
|
|
|
for (let i = 0, ii = fnArray.length; i < ii; i++) {
|
|
const fnId = fnArray[i];
|
|
opList.push({
|
|
fnId,
|
|
fn: operatorIdMapping[fnId],
|
|
args: argsArray[i]
|
|
});
|
|
}
|
|
|
|
return opListToTree(opList);
|
|
}
|
|
|
|
executeOpTree(opTree) {
|
|
for (const opTreeElement of opTree) {
|
|
const fn = opTreeElement.fn;
|
|
const fnId = opTreeElement.fnId;
|
|
const args = opTreeElement.args;
|
|
|
|
switch (fnId | 0) {
|
|
case _util.OPS.beginText:
|
|
this.beginText();
|
|
break;
|
|
|
|
case _util.OPS.dependency:
|
|
break;
|
|
|
|
case _util.OPS.setLeading:
|
|
this.setLeading(args);
|
|
break;
|
|
|
|
case _util.OPS.setLeadingMoveText:
|
|
this.setLeadingMoveText(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setFont:
|
|
this.setFont(args);
|
|
break;
|
|
|
|
case _util.OPS.showText:
|
|
this.showText(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.showSpacedText:
|
|
this.showText(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.endText:
|
|
this.endText();
|
|
break;
|
|
|
|
case _util.OPS.moveText:
|
|
this.moveText(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setCharSpacing:
|
|
this.setCharSpacing(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setWordSpacing:
|
|
this.setWordSpacing(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setHScale:
|
|
this.setHScale(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setTextMatrix:
|
|
this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
|
|
case _util.OPS.setTextRise:
|
|
this.setTextRise(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setTextRenderingMode:
|
|
this.setTextRenderingMode(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineWidth:
|
|
this.setLineWidth(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineJoin:
|
|
this.setLineJoin(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setLineCap:
|
|
this.setLineCap(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setMiterLimit:
|
|
this.setMiterLimit(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setFillRGBColor:
|
|
this.setFillRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
|
|
case _util.OPS.setStrokeRGBColor:
|
|
this.setStrokeRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
|
|
case _util.OPS.setStrokeColorN:
|
|
this.setStrokeColorN(args);
|
|
break;
|
|
|
|
case _util.OPS.setFillColorN:
|
|
this.setFillColorN(args);
|
|
break;
|
|
|
|
case _util.OPS.shadingFill:
|
|
this.shadingFill(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setDash:
|
|
this.setDash(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.setRenderingIntent:
|
|
this.setRenderingIntent(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setFlatness:
|
|
this.setFlatness(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.setGState:
|
|
this.setGState(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.fill:
|
|
this.fill();
|
|
break;
|
|
|
|
case _util.OPS.eoFill:
|
|
this.eoFill();
|
|
break;
|
|
|
|
case _util.OPS.stroke:
|
|
this.stroke();
|
|
break;
|
|
|
|
case _util.OPS.fillStroke:
|
|
this.fillStroke();
|
|
break;
|
|
|
|
case _util.OPS.eoFillStroke:
|
|
this.eoFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.clip:
|
|
this.clip("nonzero");
|
|
break;
|
|
|
|
case _util.OPS.eoClip:
|
|
this.clip("evenodd");
|
|
break;
|
|
|
|
case _util.OPS.paintSolidColorImageMask:
|
|
this.paintSolidColorImageMask();
|
|
break;
|
|
|
|
case _util.OPS.paintImageXObject:
|
|
this.paintImageXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintInlineImageXObject:
|
|
this.paintInlineImageXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintImageMaskXObject:
|
|
this.paintImageMaskXObject(args[0]);
|
|
break;
|
|
|
|
case _util.OPS.paintFormXObjectBegin:
|
|
this.paintFormXObjectBegin(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.paintFormXObjectEnd:
|
|
this.paintFormXObjectEnd();
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
this.closePath();
|
|
break;
|
|
|
|
case _util.OPS.closeStroke:
|
|
this.closeStroke();
|
|
break;
|
|
|
|
case _util.OPS.closeFillStroke:
|
|
this.closeFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.closeEOFillStroke:
|
|
this.closeEOFillStroke();
|
|
break;
|
|
|
|
case _util.OPS.nextLine:
|
|
this.nextLine();
|
|
break;
|
|
|
|
case _util.OPS.transform:
|
|
this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
|
|
case _util.OPS.constructPath:
|
|
this.constructPath(args[0], args[1]);
|
|
break;
|
|
|
|
case _util.OPS.endPath:
|
|
this.endPath();
|
|
break;
|
|
|
|
case 92:
|
|
this.group(opTreeElement.items);
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`Unimplemented operator ${fn}`);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
setWordSpacing(wordSpacing) {
|
|
this.current.wordSpacing = wordSpacing;
|
|
}
|
|
|
|
setCharSpacing(charSpacing) {
|
|
this.current.charSpacing = charSpacing;
|
|
}
|
|
|
|
nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
}
|
|
|
|
setTextMatrix(a, b, c, d, e, f) {
|
|
const current = this.current;
|
|
current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
|
|
current.textMatrixScale = Math.hypot(a, b);
|
|
current.x = current.lineX = 0;
|
|
current.y = current.lineY = 0;
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
current.txtElement = this.svgFactory.createElement("svg:text");
|
|
current.txtElement.appendChild(current.tspan);
|
|
}
|
|
|
|
beginText() {
|
|
const current = this.current;
|
|
current.x = current.lineX = 0;
|
|
current.y = current.lineY = 0;
|
|
current.textMatrix = _util.IDENTITY_MATRIX;
|
|
current.lineMatrix = _util.IDENTITY_MATRIX;
|
|
current.textMatrixScale = 1;
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.txtElement = this.svgFactory.createElement("svg:text");
|
|
current.txtgrp = this.svgFactory.createElement("svg:g");
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
}
|
|
|
|
moveText(x, y) {
|
|
const current = this.current;
|
|
current.x = current.lineX += x;
|
|
current.y = current.lineY += y;
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
}
|
|
|
|
showText(glyphs) {
|
|
const current = this.current;
|
|
const font = current.font;
|
|
const fontSize = current.fontSize;
|
|
|
|
if (fontSize === 0) {
|
|
return;
|
|
}
|
|
|
|
const fontSizeScale = current.fontSizeScale;
|
|
const charSpacing = current.charSpacing;
|
|
const wordSpacing = current.wordSpacing;
|
|
const fontDirection = current.fontDirection;
|
|
const textHScale = current.textHScale * fontDirection;
|
|
const vertical = font.vertical;
|
|
const spacingDir = vertical ? 1 : -1;
|
|
const defaultVMetrics = font.defaultVMetrics;
|
|
const widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
let x = 0;
|
|
|
|
for (const glyph of glyphs) {
|
|
if (glyph === null) {
|
|
x += fontDirection * wordSpacing;
|
|
continue;
|
|
} else if (typeof glyph === "number") {
|
|
x += spacingDir * glyph * fontSize / 1000;
|
|
continue;
|
|
}
|
|
|
|
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
const character = glyph.fontChar;
|
|
let scaledX, scaledY;
|
|
let width = glyph.width;
|
|
|
|
if (vertical) {
|
|
let vx;
|
|
const vmetric = glyph.vmetric || defaultVMetrics;
|
|
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
|
|
vx = -vx * widthAdvanceScale;
|
|
const vy = vmetric[2] * widthAdvanceScale;
|
|
width = vmetric ? -vmetric[0] : width;
|
|
scaledX = vx / fontSizeScale;
|
|
scaledY = (x + vy) / fontSizeScale;
|
|
} else {
|
|
scaledX = x / fontSizeScale;
|
|
scaledY = 0;
|
|
}
|
|
|
|
if (glyph.isInFont || font.missingFile) {
|
|
current.xcoords.push(current.x + scaledX);
|
|
|
|
if (vertical) {
|
|
current.ycoords.push(-current.y + scaledY);
|
|
}
|
|
|
|
current.tspan.textContent += character;
|
|
} else {}
|
|
|
|
let charWidth;
|
|
|
|
if (vertical) {
|
|
charWidth = width * widthAdvanceScale - spacing * fontDirection;
|
|
} else {
|
|
charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
}
|
|
|
|
x += charWidth;
|
|
}
|
|
|
|
current.tspan.setAttributeNS(null, "x", current.xcoords.map(pf).join(" "));
|
|
|
|
if (vertical) {
|
|
current.tspan.setAttributeNS(null, "y", current.ycoords.map(pf).join(" "));
|
|
} else {
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
}
|
|
|
|
if (vertical) {
|
|
current.y -= x;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
|
|
current.tspan.setAttributeNS(null, "font-family", current.fontFamily);
|
|
current.tspan.setAttributeNS(null, "font-size", `${pf(current.fontSize)}px`);
|
|
|
|
if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
|
|
current.tspan.setAttributeNS(null, "font-style", current.fontStyle);
|
|
}
|
|
|
|
if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
|
|
current.tspan.setAttributeNS(null, "font-weight", current.fontWeight);
|
|
}
|
|
|
|
const fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
if (current.fillColor !== SVG_DEFAULTS.fillColor) {
|
|
current.tspan.setAttributeNS(null, "fill", current.fillColor);
|
|
}
|
|
|
|
if (current.fillAlpha < 1) {
|
|
current.tspan.setAttributeNS(null, "fill-opacity", current.fillAlpha);
|
|
}
|
|
} else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
|
|
current.tspan.setAttributeNS(null, "fill", "transparent");
|
|
} else {
|
|
current.tspan.setAttributeNS(null, "fill", "none");
|
|
}
|
|
|
|
if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
|
|
const lineWidthScale = 1 / (current.textMatrixScale || 1);
|
|
|
|
this._setStrokeAttributes(current.tspan, lineWidthScale);
|
|
}
|
|
|
|
let textMatrix = current.textMatrix;
|
|
|
|
if (current.textRise !== 0) {
|
|
textMatrix = textMatrix.slice();
|
|
textMatrix[5] += current.textRise;
|
|
}
|
|
|
|
current.txtElement.setAttributeNS(null, "transform", `${pm(textMatrix)} scale(${pf(textHScale)}, -1)`);
|
|
current.txtElement.setAttributeNS(XML_NS, "xml:space", "preserve");
|
|
current.txtElement.appendChild(current.tspan);
|
|
current.txtgrp.appendChild(current.txtElement);
|
|
|
|
this._ensureTransformGroup().appendChild(current.txtElement);
|
|
}
|
|
|
|
setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
}
|
|
|
|
addFontStyle(fontObj) {
|
|
if (!fontObj.data) {
|
|
throw new Error("addFontStyle: No font data available, " + 'ensure that the "fontExtraProperties" API parameter is set.');
|
|
}
|
|
|
|
if (!this.cssStyle) {
|
|
this.cssStyle = this.svgFactory.createElement("svg:style");
|
|
this.cssStyle.setAttributeNS(null, "type", "text/css");
|
|
this.defs.appendChild(this.cssStyle);
|
|
}
|
|
|
|
const url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
|
|
this.cssStyle.textContent += `@font-face { font-family: "${fontObj.loadedName}";` + ` src: url(${url}); }\n`;
|
|
}
|
|
|
|
setFont(details) {
|
|
const current = this.current;
|
|
const fontObj = this.commonObjs.get(details[0]);
|
|
let size = details[1];
|
|
current.font = fontObj;
|
|
|
|
if (this.embedFonts && !fontObj.missingFile && !this.embeddedFonts[fontObj.loadedName]) {
|
|
this.addFontStyle(fontObj);
|
|
this.embeddedFonts[fontObj.loadedName] = fontObj;
|
|
}
|
|
|
|
current.fontMatrix = fontObj.fontMatrix || _util.FONT_IDENTITY_MATRIX;
|
|
let bold = "normal";
|
|
|
|
if (fontObj.black) {
|
|
bold = "900";
|
|
} else if (fontObj.bold) {
|
|
bold = "bold";
|
|
}
|
|
|
|
const italic = fontObj.italic ? "italic" : "normal";
|
|
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
|
|
current.fontSize = size;
|
|
current.fontFamily = fontObj.loadedName;
|
|
current.fontWeight = bold;
|
|
current.fontStyle = italic;
|
|
current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
current.tspan.setAttributeNS(null, "y", pf(-current.y));
|
|
current.xcoords = [];
|
|
current.ycoords = [];
|
|
}
|
|
|
|
endText() {
|
|
const current = this.current;
|
|
|
|
if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement?.hasChildNodes()) {
|
|
current.element = current.txtElement;
|
|
this.clip("nonzero");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
setLineWidth(width) {
|
|
if (width > 0) {
|
|
this.current.lineWidth = width;
|
|
}
|
|
}
|
|
|
|
setLineCap(style) {
|
|
this.current.lineCap = LINE_CAP_STYLES[style];
|
|
}
|
|
|
|
setLineJoin(style) {
|
|
this.current.lineJoin = LINE_JOIN_STYLES[style];
|
|
}
|
|
|
|
setMiterLimit(limit) {
|
|
this.current.miterLimit = limit;
|
|
}
|
|
|
|
setStrokeAlpha(strokeAlpha) {
|
|
this.current.strokeAlpha = strokeAlpha;
|
|
}
|
|
|
|
setStrokeRGBColor(r, g, b) {
|
|
this.current.strokeColor = _util.Util.makeHexColor(r, g, b);
|
|
}
|
|
|
|
setFillAlpha(fillAlpha) {
|
|
this.current.fillAlpha = fillAlpha;
|
|
}
|
|
|
|
setFillRGBColor(r, g, b) {
|
|
this.current.fillColor = _util.Util.makeHexColor(r, g, b);
|
|
this.current.tspan = this.svgFactory.createElement("svg:tspan");
|
|
this.current.xcoords = [];
|
|
this.current.ycoords = [];
|
|
}
|
|
|
|
setStrokeColorN(args) {
|
|
this.current.strokeColor = this._makeColorN_Pattern(args);
|
|
}
|
|
|
|
setFillColorN(args) {
|
|
this.current.fillColor = this._makeColorN_Pattern(args);
|
|
}
|
|
|
|
shadingFill(args) {
|
|
const width = this.viewport.width;
|
|
const height = this.viewport.height;
|
|
|
|
const inv = _util.Util.inverseTransform(this.transformMatrix);
|
|
|
|
const bl = _util.Util.applyTransform([0, 0], inv);
|
|
|
|
const br = _util.Util.applyTransform([0, height], inv);
|
|
|
|
const ul = _util.Util.applyTransform([width, 0], inv);
|
|
|
|
const ur = _util.Util.applyTransform([width, height], inv);
|
|
|
|
const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
|
|
const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
|
|
const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
|
|
const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", x0);
|
|
rect.setAttributeNS(null, "y", y0);
|
|
rect.setAttributeNS(null, "width", x1 - x0);
|
|
rect.setAttributeNS(null, "height", y1 - y0);
|
|
rect.setAttributeNS(null, "fill", this._makeShadingPattern(args));
|
|
|
|
if (this.current.fillAlpha < 1) {
|
|
rect.setAttributeNS(null, "fill-opacity", this.current.fillAlpha);
|
|
}
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
}
|
|
|
|
_makeColorN_Pattern(args) {
|
|
if (args[0] === "TilingPattern") {
|
|
return this._makeTilingPattern(args);
|
|
}
|
|
|
|
return this._makeShadingPattern(args);
|
|
}
|
|
|
|
_makeTilingPattern(args) {
|
|
const color = args[1];
|
|
const operatorList = args[2];
|
|
const matrix = args[3] || _util.IDENTITY_MATRIX;
|
|
const [x0, y0, x1, y1] = args[4];
|
|
const xstep = args[5];
|
|
const ystep = args[6];
|
|
const paintType = args[7];
|
|
const tilingId = `shading${shadingCount++}`;
|
|
|
|
const [tx0, ty0, tx1, ty1] = _util.Util.normalizeRect([..._util.Util.applyTransform([x0, y0], matrix), ..._util.Util.applyTransform([x1, y1], matrix)]);
|
|
|
|
const [xscale, yscale] = _util.Util.singularValueDecompose2dScale(matrix);
|
|
|
|
const txstep = xstep * xscale;
|
|
const tystep = ystep * yscale;
|
|
const tiling = this.svgFactory.createElement("svg:pattern");
|
|
tiling.setAttributeNS(null, "id", tilingId);
|
|
tiling.setAttributeNS(null, "patternUnits", "userSpaceOnUse");
|
|
tiling.setAttributeNS(null, "width", txstep);
|
|
tiling.setAttributeNS(null, "height", tystep);
|
|
tiling.setAttributeNS(null, "x", `${tx0}`);
|
|
tiling.setAttributeNS(null, "y", `${ty0}`);
|
|
const svg = this.svg;
|
|
const transformMatrix = this.transformMatrix;
|
|
const fillColor = this.current.fillColor;
|
|
const strokeColor = this.current.strokeColor;
|
|
const bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
|
|
this.svg = bbox;
|
|
this.transformMatrix = matrix;
|
|
|
|
if (paintType === 2) {
|
|
const cssColor = _util.Util.makeHexColor(...color);
|
|
|
|
this.current.fillColor = cssColor;
|
|
this.current.strokeColor = cssColor;
|
|
}
|
|
|
|
this.executeOpTree(this.convertOpList(operatorList));
|
|
this.svg = svg;
|
|
this.transformMatrix = transformMatrix;
|
|
this.current.fillColor = fillColor;
|
|
this.current.strokeColor = strokeColor;
|
|
tiling.appendChild(bbox.childNodes[0]);
|
|
this.defs.appendChild(tiling);
|
|
return `url(#${tilingId})`;
|
|
}
|
|
|
|
_makeShadingPattern(args) {
|
|
if (typeof args === "string") {
|
|
args = this.objs.get(args);
|
|
}
|
|
|
|
switch (args[0]) {
|
|
case "RadialAxial":
|
|
const shadingId = `shading${shadingCount++}`;
|
|
const colorStops = args[3];
|
|
let gradient;
|
|
|
|
switch (args[1]) {
|
|
case "axial":
|
|
const point0 = args[4];
|
|
const point1 = args[5];
|
|
gradient = this.svgFactory.createElement("svg:linearGradient");
|
|
gradient.setAttributeNS(null, "id", shadingId);
|
|
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
|
|
gradient.setAttributeNS(null, "x1", point0[0]);
|
|
gradient.setAttributeNS(null, "y1", point0[1]);
|
|
gradient.setAttributeNS(null, "x2", point1[0]);
|
|
gradient.setAttributeNS(null, "y2", point1[1]);
|
|
break;
|
|
|
|
case "radial":
|
|
const focalPoint = args[4];
|
|
const circlePoint = args[5];
|
|
const focalRadius = args[6];
|
|
const circleRadius = args[7];
|
|
gradient = this.svgFactory.createElement("svg:radialGradient");
|
|
gradient.setAttributeNS(null, "id", shadingId);
|
|
gradient.setAttributeNS(null, "gradientUnits", "userSpaceOnUse");
|
|
gradient.setAttributeNS(null, "cx", circlePoint[0]);
|
|
gradient.setAttributeNS(null, "cy", circlePoint[1]);
|
|
gradient.setAttributeNS(null, "r", circleRadius);
|
|
gradient.setAttributeNS(null, "fx", focalPoint[0]);
|
|
gradient.setAttributeNS(null, "fy", focalPoint[1]);
|
|
gradient.setAttributeNS(null, "fr", focalRadius);
|
|
break;
|
|
|
|
default:
|
|
throw new Error(`Unknown RadialAxial type: ${args[1]}`);
|
|
}
|
|
|
|
for (const colorStop of colorStops) {
|
|
const stop = this.svgFactory.createElement("svg:stop");
|
|
stop.setAttributeNS(null, "offset", colorStop[0]);
|
|
stop.setAttributeNS(null, "stop-color", colorStop[1]);
|
|
gradient.appendChild(stop);
|
|
}
|
|
|
|
this.defs.appendChild(gradient);
|
|
return `url(#${shadingId})`;
|
|
|
|
case "Mesh":
|
|
(0, _util.warn)("Unimplemented pattern Mesh");
|
|
return null;
|
|
|
|
case "Dummy":
|
|
return "hotpink";
|
|
|
|
default:
|
|
throw new Error(`Unknown IR type: ${args[0]}`);
|
|
}
|
|
}
|
|
|
|
setDash(dashArray, dashPhase) {
|
|
this.current.dashArray = dashArray;
|
|
this.current.dashPhase = dashPhase;
|
|
}
|
|
|
|
constructPath(ops, args) {
|
|
const current = this.current;
|
|
let x = current.x,
|
|
y = current.y;
|
|
let d = [];
|
|
let j = 0;
|
|
|
|
for (const op of ops) {
|
|
switch (op | 0) {
|
|
case _util.OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
const width = args[j++];
|
|
const height = args[j++];
|
|
const xw = x + width;
|
|
const yh = y + height;
|
|
d.push("M", pf(x), pf(y), "L", pf(xw), pf(y), "L", pf(xw), pf(yh), "L", pf(x), pf(yh), "Z");
|
|
break;
|
|
|
|
case _util.OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push("M", pf(x), pf(y));
|
|
break;
|
|
|
|
case _util.OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push("L", pf(x), pf(y));
|
|
break;
|
|
|
|
case _util.OPS.curveTo:
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
d.push("C", pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
|
|
j += 6;
|
|
break;
|
|
|
|
case _util.OPS.curveTo2:
|
|
d.push("C", pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.curveTo3:
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
d.push("C", pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
|
|
j += 4;
|
|
break;
|
|
|
|
case _util.OPS.closePath:
|
|
d.push("Z");
|
|
break;
|
|
}
|
|
}
|
|
|
|
d = d.join(" ");
|
|
|
|
if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
|
|
d = current.path.getAttributeNS(null, "d") + d;
|
|
} else {
|
|
current.path = this.svgFactory.createElement("svg:path");
|
|
|
|
this._ensureTransformGroup().appendChild(current.path);
|
|
}
|
|
|
|
current.path.setAttributeNS(null, "d", d);
|
|
current.path.setAttributeNS(null, "fill", "none");
|
|
current.element = current.path;
|
|
current.setCurrentPoint(x, y);
|
|
}
|
|
|
|
endPath() {
|
|
const current = this.current;
|
|
current.path = null;
|
|
|
|
if (!this.pendingClip) {
|
|
return;
|
|
}
|
|
|
|
if (!current.element) {
|
|
this.pendingClip = null;
|
|
return;
|
|
}
|
|
|
|
const clipId = `clippath${clipCount++}`;
|
|
const clipPath = this.svgFactory.createElement("svg:clipPath");
|
|
clipPath.setAttributeNS(null, "id", clipId);
|
|
clipPath.setAttributeNS(null, "transform", pm(this.transformMatrix));
|
|
const clipElement = current.element.cloneNode(true);
|
|
|
|
if (this.pendingClip === "evenodd") {
|
|
clipElement.setAttributeNS(null, "clip-rule", "evenodd");
|
|
} else {
|
|
clipElement.setAttributeNS(null, "clip-rule", "nonzero");
|
|
}
|
|
|
|
this.pendingClip = null;
|
|
clipPath.appendChild(clipElement);
|
|
this.defs.appendChild(clipPath);
|
|
|
|
if (current.activeClipUrl) {
|
|
current.clipGroup = null;
|
|
|
|
for (const prev of this.extraStack) {
|
|
prev.clipGroup = null;
|
|
}
|
|
|
|
clipPath.setAttributeNS(null, "clip-path", current.activeClipUrl);
|
|
}
|
|
|
|
current.activeClipUrl = `url(#${clipId})`;
|
|
this.tgrp = null;
|
|
}
|
|
|
|
clip(type) {
|
|
this.pendingClip = type;
|
|
}
|
|
|
|
closePath() {
|
|
const current = this.current;
|
|
|
|
if (current.path) {
|
|
const d = `${current.path.getAttributeNS(null, "d")}Z`;
|
|
current.path.setAttributeNS(null, "d", d);
|
|
}
|
|
}
|
|
|
|
setLeading(leading) {
|
|
this.current.leading = -leading;
|
|
}
|
|
|
|
setTextRise(textRise) {
|
|
this.current.textRise = textRise;
|
|
}
|
|
|
|
setTextRenderingMode(textRenderingMode) {
|
|
this.current.textRenderingMode = textRenderingMode;
|
|
}
|
|
|
|
setHScale(scale) {
|
|
this.current.textHScale = scale / 100;
|
|
}
|
|
|
|
setRenderingIntent(intent) {}
|
|
|
|
setFlatness(flatness) {}
|
|
|
|
setGState(states) {
|
|
for (const [key, value] of states) {
|
|
switch (key) {
|
|
case "LW":
|
|
this.setLineWidth(value);
|
|
break;
|
|
|
|
case "LC":
|
|
this.setLineCap(value);
|
|
break;
|
|
|
|
case "LJ":
|
|
this.setLineJoin(value);
|
|
break;
|
|
|
|
case "ML":
|
|
this.setMiterLimit(value);
|
|
break;
|
|
|
|
case "D":
|
|
this.setDash(value[0], value[1]);
|
|
break;
|
|
|
|
case "RI":
|
|
this.setRenderingIntent(value);
|
|
break;
|
|
|
|
case "FL":
|
|
this.setFlatness(value);
|
|
break;
|
|
|
|
case "Font":
|
|
this.setFont(value);
|
|
break;
|
|
|
|
case "CA":
|
|
this.setStrokeAlpha(value);
|
|
break;
|
|
|
|
case "ca":
|
|
this.setFillAlpha(value);
|
|
break;
|
|
|
|
default:
|
|
(0, _util.warn)(`Unimplemented graphic state operator ${key}`);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
fill() {
|
|
const current = this.current;
|
|
|
|
if (current.element) {
|
|
current.element.setAttributeNS(null, "fill", current.fillColor);
|
|
current.element.setAttributeNS(null, "fill-opacity", current.fillAlpha);
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
stroke() {
|
|
const current = this.current;
|
|
|
|
if (current.element) {
|
|
this._setStrokeAttributes(current.element);
|
|
|
|
current.element.setAttributeNS(null, "fill", "none");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
_setStrokeAttributes(element, lineWidthScale = 1) {
|
|
const current = this.current;
|
|
let dashArray = current.dashArray;
|
|
|
|
if (lineWidthScale !== 1 && dashArray.length > 0) {
|
|
dashArray = dashArray.map(function (value) {
|
|
return lineWidthScale * value;
|
|
});
|
|
}
|
|
|
|
element.setAttributeNS(null, "stroke", current.strokeColor);
|
|
element.setAttributeNS(null, "stroke-opacity", current.strokeAlpha);
|
|
element.setAttributeNS(null, "stroke-miterlimit", pf(current.miterLimit));
|
|
element.setAttributeNS(null, "stroke-linecap", current.lineCap);
|
|
element.setAttributeNS(null, "stroke-linejoin", current.lineJoin);
|
|
element.setAttributeNS(null, "stroke-width", pf(lineWidthScale * current.lineWidth) + "px");
|
|
element.setAttributeNS(null, "stroke-dasharray", dashArray.map(pf).join(" "));
|
|
element.setAttributeNS(null, "stroke-dashoffset", pf(lineWidthScale * current.dashPhase) + "px");
|
|
}
|
|
|
|
eoFill() {
|
|
if (this.current.element) {
|
|
this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
|
|
}
|
|
|
|
this.fill();
|
|
}
|
|
|
|
fillStroke() {
|
|
this.stroke();
|
|
this.fill();
|
|
}
|
|
|
|
eoFillStroke() {
|
|
if (this.current.element) {
|
|
this.current.element.setAttributeNS(null, "fill-rule", "evenodd");
|
|
}
|
|
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
}
|
|
|
|
closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
}
|
|
|
|
closeEOFillStroke() {
|
|
this.closePath();
|
|
this.eoFillStroke();
|
|
}
|
|
|
|
paintSolidColorImageMask() {
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", "0");
|
|
rect.setAttributeNS(null, "y", "0");
|
|
rect.setAttributeNS(null, "width", "1px");
|
|
rect.setAttributeNS(null, "height", "1px");
|
|
rect.setAttributeNS(null, "fill", this.current.fillColor);
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
}
|
|
|
|
paintImageXObject(objId) {
|
|
const imgData = objId.startsWith("g_") ? this.commonObjs.get(objId) : this.objs.get(objId);
|
|
|
|
if (!imgData) {
|
|
(0, _util.warn)(`Dependent image with object ID ${objId} is not ready yet`);
|
|
return;
|
|
}
|
|
|
|
this.paintInlineImageXObject(imgData);
|
|
}
|
|
|
|
paintInlineImageXObject(imgData, mask) {
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
|
|
const cliprect = this.svgFactory.createElement("svg:rect");
|
|
cliprect.setAttributeNS(null, "x", "0");
|
|
cliprect.setAttributeNS(null, "y", "0");
|
|
cliprect.setAttributeNS(null, "width", pf(width));
|
|
cliprect.setAttributeNS(null, "height", pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip("nonzero");
|
|
const imgEl = this.svgFactory.createElement("svg:image");
|
|
imgEl.setAttributeNS(XLINK_NS, "xlink:href", imgSrc);
|
|
imgEl.setAttributeNS(null, "x", "0");
|
|
imgEl.setAttributeNS(null, "y", pf(-height));
|
|
imgEl.setAttributeNS(null, "width", pf(width) + "px");
|
|
imgEl.setAttributeNS(null, "height", pf(height) + "px");
|
|
imgEl.setAttributeNS(null, "transform", `scale(${pf(1 / width)} ${pf(-1 / height)})`);
|
|
|
|
if (mask) {
|
|
mask.appendChild(imgEl);
|
|
} else {
|
|
this._ensureTransformGroup().appendChild(imgEl);
|
|
}
|
|
}
|
|
|
|
paintImageMaskXObject(imgData) {
|
|
const current = this.current;
|
|
const width = imgData.width;
|
|
const height = imgData.height;
|
|
const fillColor = current.fillColor;
|
|
current.maskId = `mask${maskCount++}`;
|
|
const mask = this.svgFactory.createElement("svg:mask");
|
|
mask.setAttributeNS(null, "id", current.maskId);
|
|
const rect = this.svgFactory.createElement("svg:rect");
|
|
rect.setAttributeNS(null, "x", "0");
|
|
rect.setAttributeNS(null, "y", "0");
|
|
rect.setAttributeNS(null, "width", pf(width));
|
|
rect.setAttributeNS(null, "height", pf(height));
|
|
rect.setAttributeNS(null, "fill", fillColor);
|
|
rect.setAttributeNS(null, "mask", `url(#${current.maskId})`);
|
|
this.defs.appendChild(mask);
|
|
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
|
|
this.paintInlineImageXObject(imgData, mask);
|
|
}
|
|
|
|
paintFormXObjectBegin(matrix, bbox) {
|
|
if (Array.isArray(matrix) && matrix.length === 6) {
|
|
this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
|
|
}
|
|
|
|
if (bbox) {
|
|
const width = bbox[2] - bbox[0];
|
|
const height = bbox[3] - bbox[1];
|
|
const cliprect = this.svgFactory.createElement("svg:rect");
|
|
cliprect.setAttributeNS(null, "x", bbox[0]);
|
|
cliprect.setAttributeNS(null, "y", bbox[1]);
|
|
cliprect.setAttributeNS(null, "width", pf(width));
|
|
cliprect.setAttributeNS(null, "height", pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip("nonzero");
|
|
this.endPath();
|
|
}
|
|
}
|
|
|
|
paintFormXObjectEnd() {}
|
|
|
|
_initialize(viewport) {
|
|
const svg = this.svgFactory.create(viewport.width, viewport.height);
|
|
const definitions = this.svgFactory.createElement("svg:defs");
|
|
svg.appendChild(definitions);
|
|
this.defs = definitions;
|
|
const rootGroup = this.svgFactory.createElement("svg:g");
|
|
rootGroup.setAttributeNS(null, "transform", pm(viewport.transform));
|
|
svg.appendChild(rootGroup);
|
|
this.svg = rootGroup;
|
|
return svg;
|
|
}
|
|
|
|
_ensureClipGroup() {
|
|
if (!this.current.clipGroup) {
|
|
const clipGroup = this.svgFactory.createElement("svg:g");
|
|
clipGroup.setAttributeNS(null, "clip-path", this.current.activeClipUrl);
|
|
this.svg.appendChild(clipGroup);
|
|
this.current.clipGroup = clipGroup;
|
|
}
|
|
|
|
return this.current.clipGroup;
|
|
}
|
|
|
|
_ensureTransformGroup() {
|
|
if (!this.tgrp) {
|
|
this.tgrp = this.svgFactory.createElement("svg:g");
|
|
this.tgrp.setAttributeNS(null, "transform", pm(this.transformMatrix));
|
|
|
|
if (this.current.activeClipUrl) {
|
|
this._ensureClipGroup().appendChild(this.tgrp);
|
|
} else {
|
|
this.svg.appendChild(this.tgrp);
|
|
}
|
|
}
|
|
|
|
return this.tgrp;
|
|
}
|
|
|
|
};
|
|
}
|
|
|
|
/***/ }),
|
|
/* 23 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.PDFNodeStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _network_utils = __w_pdfjs_require__(24);
|
|
|
|
;
|
|
|
|
const fs = require("fs");
|
|
|
|
const http = require("http");
|
|
|
|
const https = require("https");
|
|
|
|
const url = require("url");
|
|
|
|
const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
|
|
|
|
function parseUrl(sourceUrl) {
|
|
const parsedUrl = url.parse(sourceUrl);
|
|
|
|
if (parsedUrl.protocol === "file:" || parsedUrl.host) {
|
|
return parsedUrl;
|
|
}
|
|
|
|
if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
|
|
return url.parse(`file:///${sourceUrl}`);
|
|
}
|
|
|
|
if (!parsedUrl.host) {
|
|
parsedUrl.protocol = "file:";
|
|
}
|
|
|
|
return parsedUrl;
|
|
}
|
|
|
|
class PDFNodeStream {
|
|
constructor(source) {
|
|
this.source = source;
|
|
this.url = parseUrl(source.url);
|
|
this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
|
|
this.isFsUrl = this.url.protocol === "file:";
|
|
this.httpHeaders = this.isHttp && source.httpHeaders || {};
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader?._loaded ?? 0;
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(start, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
|
|
|
|
this._rangeRequestReaders.push(rangeReader);
|
|
|
|
return rangeReader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
for (const reader of this._rangeRequestReaders.slice(0)) {
|
|
reader.cancel(reason);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFNodeStream = PDFNodeStream;
|
|
|
|
class BaseFullReader {
|
|
constructor(stream) {
|
|
this._url = stream.url;
|
|
this._done = false;
|
|
this._storedError = null;
|
|
this.onProgress = null;
|
|
const source = stream.source;
|
|
this._contentLength = source.length;
|
|
this._loaded = 0;
|
|
this._filename = null;
|
|
this._disableRange = source.disableRange || false;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
this._isStreamingSupported = !source.disableStream;
|
|
this._isRangeSupported = !source.disableRange;
|
|
this._readableStream = null;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
this._headersCapability = (0, _util.createPromiseCapability)();
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersCapability.promise;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
const chunk = this._readableStream.read();
|
|
|
|
if (chunk === null) {
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
return this.read();
|
|
}
|
|
|
|
this._loaded += chunk.length;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded,
|
|
total: this._contentLength
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(chunk).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (!this._readableStream) {
|
|
this._error(reason);
|
|
|
|
return;
|
|
}
|
|
|
|
this._readableStream.destroy(reason);
|
|
}
|
|
|
|
_error(reason) {
|
|
this._storedError = reason;
|
|
|
|
this._readCapability.resolve();
|
|
}
|
|
|
|
_setReadableStream(readableStream) {
|
|
this._readableStream = readableStream;
|
|
readableStream.on("readable", () => {
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("end", () => {
|
|
readableStream.destroy();
|
|
this._done = true;
|
|
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("error", reason => {
|
|
this._error(reason);
|
|
});
|
|
|
|
if (!this._isStreamingSupported && this._isRangeSupported) {
|
|
this._error(new _util.AbortException("streaming is disabled"));
|
|
}
|
|
|
|
if (this._storedError) {
|
|
this._readableStream.destroy(this._storedError);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class BaseRangeReader {
|
|
constructor(stream) {
|
|
this._url = stream.url;
|
|
this._done = false;
|
|
this._storedError = null;
|
|
this.onProgress = null;
|
|
this._loaded = 0;
|
|
this._readableStream = null;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
const source = stream.source;
|
|
this._isStreamingSupported = !source.disableStream;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
const chunk = this._readableStream.read();
|
|
|
|
if (chunk === null) {
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
return this.read();
|
|
}
|
|
|
|
this._loaded += chunk.length;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(chunk).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (!this._readableStream) {
|
|
this._error(reason);
|
|
|
|
return;
|
|
}
|
|
|
|
this._readableStream.destroy(reason);
|
|
}
|
|
|
|
_error(reason) {
|
|
this._storedError = reason;
|
|
|
|
this._readCapability.resolve();
|
|
}
|
|
|
|
_setReadableStream(readableStream) {
|
|
this._readableStream = readableStream;
|
|
readableStream.on("readable", () => {
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("end", () => {
|
|
readableStream.destroy();
|
|
this._done = true;
|
|
|
|
this._readCapability.resolve();
|
|
});
|
|
readableStream.on("error", reason => {
|
|
this._error(reason);
|
|
});
|
|
|
|
if (this._storedError) {
|
|
this._readableStream.destroy(this._storedError);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
function createRequestOptions(parsedUrl, headers) {
|
|
return {
|
|
protocol: parsedUrl.protocol,
|
|
auth: parsedUrl.auth,
|
|
host: parsedUrl.hostname,
|
|
port: parsedUrl.port,
|
|
path: parsedUrl.path,
|
|
method: "GET",
|
|
headers
|
|
};
|
|
}
|
|
|
|
class PDFNodeStreamFullReader extends BaseFullReader {
|
|
constructor(stream) {
|
|
super(stream);
|
|
|
|
const handleResponse = response => {
|
|
if (response.statusCode === 404) {
|
|
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
|
|
this._storedError = error;
|
|
|
|
this._headersCapability.reject(error);
|
|
|
|
return;
|
|
}
|
|
|
|
this._headersCapability.resolve();
|
|
|
|
this._setReadableStream(response);
|
|
|
|
const getResponseHeader = name => {
|
|
return this._readableStream.headers[name.toLowerCase()];
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: stream.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
this._isRangeSupported = allowRangeRequests;
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
};
|
|
|
|
this._request = null;
|
|
|
|
if (this._url.protocol === "http:") {
|
|
this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
|
|
} else {
|
|
this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
|
|
}
|
|
|
|
this._request.on("error", reason => {
|
|
this._storedError = reason;
|
|
|
|
this._headersCapability.reject(reason);
|
|
});
|
|
|
|
this._request.end();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamRangeReader extends BaseRangeReader {
|
|
constructor(stream, start, end) {
|
|
super(stream);
|
|
this._httpHeaders = {};
|
|
|
|
for (const property in stream.httpHeaders) {
|
|
const value = stream.httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
this._httpHeaders[property] = value;
|
|
}
|
|
|
|
this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
|
|
|
|
const handleResponse = response => {
|
|
if (response.statusCode === 404) {
|
|
const error = new _util.MissingPDFException(`Missing PDF "${this._url}".`);
|
|
this._storedError = error;
|
|
return;
|
|
}
|
|
|
|
this._setReadableStream(response);
|
|
};
|
|
|
|
this._request = null;
|
|
|
|
if (this._url.protocol === "http:") {
|
|
this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
|
|
} else {
|
|
this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
|
|
}
|
|
|
|
this._request.on("error", reason => {
|
|
this._storedError = reason;
|
|
});
|
|
|
|
this._request.end();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamFsFullReader extends BaseFullReader {
|
|
constructor(stream) {
|
|
super(stream);
|
|
let path = decodeURIComponent(this._url.path);
|
|
|
|
if (fileUriRegex.test(this._url.href)) {
|
|
path = path.replace(/^\//, "");
|
|
}
|
|
|
|
fs.lstat(path, (error, stat) => {
|
|
if (error) {
|
|
if (error.code === "ENOENT") {
|
|
error = new _util.MissingPDFException(`Missing PDF "${path}".`);
|
|
}
|
|
|
|
this._storedError = error;
|
|
|
|
this._headersCapability.reject(error);
|
|
|
|
return;
|
|
}
|
|
|
|
this._contentLength = stat.size;
|
|
|
|
this._setReadableStream(fs.createReadStream(path));
|
|
|
|
this._headersCapability.resolve();
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNodeStreamFsRangeReader extends BaseRangeReader {
|
|
constructor(stream, start, end) {
|
|
super(stream);
|
|
let path = decodeURIComponent(this._url.path);
|
|
|
|
if (fileUriRegex.test(this._url.href)) {
|
|
path = path.replace(/^\//, "");
|
|
}
|
|
|
|
this._setReadableStream(fs.createReadStream(path, {
|
|
start,
|
|
end: end - 1
|
|
}));
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 24 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.createResponseStatusError = createResponseStatusError;
|
|
exports.extractFilenameFromHeader = extractFilenameFromHeader;
|
|
exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
|
|
exports.validateResponseStatus = validateResponseStatus;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _content_disposition = __w_pdfjs_require__(25);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
function validateRangeRequestCapabilities({
|
|
getResponseHeader,
|
|
isHttp,
|
|
rangeChunkSize,
|
|
disableRange
|
|
}) {
|
|
(0, _util.assert)(rangeChunkSize > 0, "Range chunk size must be larger than zero");
|
|
const returnValues = {
|
|
allowRangeRequests: false,
|
|
suggestedLength: undefined
|
|
};
|
|
const length = parseInt(getResponseHeader("Content-Length"), 10);
|
|
|
|
if (!Number.isInteger(length)) {
|
|
return returnValues;
|
|
}
|
|
|
|
returnValues.suggestedLength = length;
|
|
|
|
if (length <= 2 * rangeChunkSize) {
|
|
return returnValues;
|
|
}
|
|
|
|
if (disableRange || !isHttp) {
|
|
return returnValues;
|
|
}
|
|
|
|
if (getResponseHeader("Accept-Ranges") !== "bytes") {
|
|
return returnValues;
|
|
}
|
|
|
|
const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
|
|
|
|
if (contentEncoding !== "identity") {
|
|
return returnValues;
|
|
}
|
|
|
|
returnValues.allowRangeRequests = true;
|
|
return returnValues;
|
|
}
|
|
|
|
function extractFilenameFromHeader(getResponseHeader) {
|
|
const contentDisposition = getResponseHeader("Content-Disposition");
|
|
|
|
if (contentDisposition) {
|
|
let filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
|
|
|
|
if (filename.includes("%")) {
|
|
try {
|
|
filename = decodeURIComponent(filename);
|
|
} catch (ex) {}
|
|
}
|
|
|
|
if ((0, _display_utils.isPdfFile)(filename)) {
|
|
return filename;
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
function createResponseStatusError(status, url) {
|
|
if (status === 404 || status === 0 && url.startsWith("file:")) {
|
|
return new _util.MissingPDFException('Missing PDF "' + url + '".');
|
|
}
|
|
|
|
return new _util.UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
|
|
}
|
|
|
|
function validateResponseStatus(status) {
|
|
return status === 200 || status === 206;
|
|
}
|
|
|
|
/***/ }),
|
|
/* 25 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
function getFilenameFromContentDispositionHeader(contentDisposition) {
|
|
let needsEncodingFixup = true;
|
|
let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
|
|
|
|
if (tmp) {
|
|
tmp = tmp[1];
|
|
let filename = rfc2616unquote(tmp);
|
|
filename = unescape(filename);
|
|
filename = rfc5987decode(filename);
|
|
filename = rfc2047decode(filename);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
tmp = rfc2231getparam(contentDisposition);
|
|
|
|
if (tmp) {
|
|
const filename = rfc2047decode(tmp);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
tmp = toParamRegExp("filename", "i").exec(contentDisposition);
|
|
|
|
if (tmp) {
|
|
tmp = tmp[1];
|
|
let filename = rfc2616unquote(tmp);
|
|
filename = rfc2047decode(filename);
|
|
return fixupEncoding(filename);
|
|
}
|
|
|
|
function toParamRegExp(attributePattern, flags) {
|
|
return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
|
|
}
|
|
|
|
function textdecode(encoding, value) {
|
|
if (encoding) {
|
|
if (!/^[\x00-\xFF]+$/.test(value)) {
|
|
return value;
|
|
}
|
|
|
|
try {
|
|
const decoder = new TextDecoder(encoding, {
|
|
fatal: true
|
|
});
|
|
const buffer = (0, _util.stringToBytes)(value);
|
|
value = decoder.decode(buffer);
|
|
needsEncodingFixup = false;
|
|
} catch (e) {}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function fixupEncoding(value) {
|
|
if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
|
|
value = textdecode("utf-8", value);
|
|
|
|
if (needsEncodingFixup) {
|
|
value = textdecode("iso-8859-1", value);
|
|
}
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function rfc2231getparam(contentDispositionStr) {
|
|
const matches = [];
|
|
let match;
|
|
const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
|
|
|
|
while ((match = iter.exec(contentDispositionStr)) !== null) {
|
|
let [, n, quot, part] = match;
|
|
n = parseInt(n, 10);
|
|
|
|
if (n in matches) {
|
|
if (n === 0) {
|
|
break;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
matches[n] = [quot, part];
|
|
}
|
|
|
|
const parts = [];
|
|
|
|
for (let n = 0; n < matches.length; ++n) {
|
|
if (!(n in matches)) {
|
|
break;
|
|
}
|
|
|
|
let [quot, part] = matches[n];
|
|
part = rfc2616unquote(part);
|
|
|
|
if (quot) {
|
|
part = unescape(part);
|
|
|
|
if (n === 0) {
|
|
part = rfc5987decode(part);
|
|
}
|
|
}
|
|
|
|
parts.push(part);
|
|
}
|
|
|
|
return parts.join("");
|
|
}
|
|
|
|
function rfc2616unquote(value) {
|
|
if (value.startsWith('"')) {
|
|
const parts = value.slice(1).split('\\"');
|
|
|
|
for (let i = 0; i < parts.length; ++i) {
|
|
const quotindex = parts[i].indexOf('"');
|
|
|
|
if (quotindex !== -1) {
|
|
parts[i] = parts[i].slice(0, quotindex);
|
|
parts.length = i + 1;
|
|
}
|
|
|
|
parts[i] = parts[i].replace(/\\(.)/g, "$1");
|
|
}
|
|
|
|
value = parts.join('"');
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function rfc5987decode(extvalue) {
|
|
const encodingend = extvalue.indexOf("'");
|
|
|
|
if (encodingend === -1) {
|
|
return extvalue;
|
|
}
|
|
|
|
const encoding = extvalue.slice(0, encodingend);
|
|
const langvalue = extvalue.slice(encodingend + 1);
|
|
const value = langvalue.replace(/^[^']*'/, "");
|
|
return textdecode(encoding, value);
|
|
}
|
|
|
|
function rfc2047decode(value) {
|
|
if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
|
|
return value;
|
|
}
|
|
|
|
return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
|
|
if (encoding === "q" || encoding === "Q") {
|
|
text = text.replace(/_/g, " ");
|
|
text = text.replace(/=([0-9a-fA-F]{2})/g, function (match, hex) {
|
|
return String.fromCharCode(parseInt(hex, 16));
|
|
});
|
|
return textdecode(charset, text);
|
|
}
|
|
|
|
try {
|
|
text = atob(text);
|
|
} catch (e) {}
|
|
|
|
return textdecode(charset, text);
|
|
});
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
/***/ }),
|
|
/* 26 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.PDFNetworkStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _network_utils = __w_pdfjs_require__(24);
|
|
|
|
;
|
|
const OK_RESPONSE = 200;
|
|
const PARTIAL_CONTENT_RESPONSE = 206;
|
|
|
|
function getArrayBuffer(xhr) {
|
|
const data = xhr.response;
|
|
|
|
if (typeof data !== "string") {
|
|
return data;
|
|
}
|
|
|
|
const array = (0, _util.stringToBytes)(data);
|
|
return array.buffer;
|
|
}
|
|
|
|
class NetworkManager {
|
|
constructor(url, args = {}) {
|
|
this.url = url;
|
|
this.isHttp = /^https?:/i.test(url);
|
|
this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null);
|
|
this.withCredentials = args.withCredentials || false;
|
|
|
|
this.getXhr = args.getXhr || function NetworkManager_getXhr() {
|
|
return new XMLHttpRequest();
|
|
};
|
|
|
|
this.currXhrId = 0;
|
|
this.pendingRequests = Object.create(null);
|
|
}
|
|
|
|
requestRange(begin, end, listeners) {
|
|
const args = {
|
|
begin,
|
|
end
|
|
};
|
|
|
|
for (const prop in listeners) {
|
|
args[prop] = listeners[prop];
|
|
}
|
|
|
|
return this.request(args);
|
|
}
|
|
|
|
requestFull(listeners) {
|
|
return this.request(listeners);
|
|
}
|
|
|
|
request(args) {
|
|
const xhr = this.getXhr();
|
|
const xhrId = this.currXhrId++;
|
|
const pendingRequest = this.pendingRequests[xhrId] = {
|
|
xhr
|
|
};
|
|
xhr.open("GET", this.url);
|
|
xhr.withCredentials = this.withCredentials;
|
|
|
|
for (const property in this.httpHeaders) {
|
|
const value = this.httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
xhr.setRequestHeader(property, value);
|
|
}
|
|
|
|
if (this.isHttp && "begin" in args && "end" in args) {
|
|
xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
|
|
pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
|
|
} else {
|
|
pendingRequest.expectedStatus = OK_RESPONSE;
|
|
}
|
|
|
|
xhr.responseType = "arraybuffer";
|
|
|
|
if (args.onError) {
|
|
xhr.onerror = function (evt) {
|
|
args.onError(xhr.status);
|
|
};
|
|
}
|
|
|
|
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
|
|
xhr.onprogress = this.onProgress.bind(this, xhrId);
|
|
pendingRequest.onHeadersReceived = args.onHeadersReceived;
|
|
pendingRequest.onDone = args.onDone;
|
|
pendingRequest.onError = args.onError;
|
|
pendingRequest.onProgress = args.onProgress;
|
|
xhr.send(null);
|
|
return xhrId;
|
|
}
|
|
|
|
onProgress(xhrId, evt) {
|
|
const pendingRequest = this.pendingRequests[xhrId];
|
|
|
|
if (!pendingRequest) {
|
|
return;
|
|
}
|
|
|
|
pendingRequest.onProgress?.(evt);
|
|
}
|
|
|
|
onStateChange(xhrId, evt) {
|
|
const pendingRequest = this.pendingRequests[xhrId];
|
|
|
|
if (!pendingRequest) {
|
|
return;
|
|
}
|
|
|
|
const xhr = pendingRequest.xhr;
|
|
|
|
if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
|
|
pendingRequest.onHeadersReceived();
|
|
delete pendingRequest.onHeadersReceived;
|
|
}
|
|
|
|
if (xhr.readyState !== 4) {
|
|
return;
|
|
}
|
|
|
|
if (!(xhrId in this.pendingRequests)) {
|
|
return;
|
|
}
|
|
|
|
delete this.pendingRequests[xhrId];
|
|
|
|
if (xhr.status === 0 && this.isHttp) {
|
|
pendingRequest.onError?.(xhr.status);
|
|
return;
|
|
}
|
|
|
|
const xhrStatus = xhr.status || OK_RESPONSE;
|
|
const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
|
|
|
|
if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
|
|
pendingRequest.onError?.(xhr.status);
|
|
return;
|
|
}
|
|
|
|
const chunk = getArrayBuffer(xhr);
|
|
|
|
if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
|
|
const rangeHeader = xhr.getResponseHeader("Content-Range");
|
|
const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
|
|
pendingRequest.onDone({
|
|
begin: parseInt(matches[1], 10),
|
|
chunk
|
|
});
|
|
} else if (chunk) {
|
|
pendingRequest.onDone({
|
|
begin: 0,
|
|
chunk
|
|
});
|
|
} else {
|
|
pendingRequest.onError?.(xhr.status);
|
|
}
|
|
}
|
|
|
|
getRequestXhr(xhrId) {
|
|
return this.pendingRequests[xhrId].xhr;
|
|
}
|
|
|
|
isPendingRequest(xhrId) {
|
|
return xhrId in this.pendingRequests;
|
|
}
|
|
|
|
abortRequest(xhrId) {
|
|
const xhr = this.pendingRequests[xhrId].xhr;
|
|
delete this.pendingRequests[xhrId];
|
|
xhr.abort();
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNetworkStream {
|
|
constructor(source) {
|
|
this._source = source;
|
|
this._manager = new NetworkManager(source.url, {
|
|
httpHeaders: source.httpHeaders,
|
|
withCredentials: source.withCredentials
|
|
});
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
_onRangeRequestReaderClosed(reader) {
|
|
const i = this._rangeRequestReaders.indexOf(reader);
|
|
|
|
if (i >= 0) {
|
|
this._rangeRequestReaders.splice(i, 1);
|
|
}
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
|
|
reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
|
|
|
|
this._rangeRequestReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
this._fullRequestReader?.cancel(reason);
|
|
|
|
for (const reader of this._rangeRequestReaders.slice(0)) {
|
|
reader.cancel(reason);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFNetworkStream = PDFNetworkStream;
|
|
|
|
class PDFNetworkStreamFullRequestReader {
|
|
constructor(manager, source) {
|
|
this._manager = manager;
|
|
const args = {
|
|
onHeadersReceived: this._onHeadersReceived.bind(this),
|
|
onDone: this._onDone.bind(this),
|
|
onError: this._onError.bind(this),
|
|
onProgress: this._onProgress.bind(this)
|
|
};
|
|
this._url = source.url;
|
|
this._fullRequestId = manager.requestFull(args);
|
|
this._headersReceivedCapability = (0, _util.createPromiseCapability)();
|
|
this._disableRange = source.disableRange || false;
|
|
this._contentLength = source.length;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
this._isStreamingSupported = false;
|
|
this._isRangeSupported = false;
|
|
this._cachedChunks = [];
|
|
this._requests = [];
|
|
this._done = false;
|
|
this._storedError = undefined;
|
|
this._filename = null;
|
|
this.onProgress = null;
|
|
}
|
|
|
|
_onHeadersReceived() {
|
|
const fullRequestXhrId = this._fullRequestId;
|
|
|
|
const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
|
|
|
|
const getResponseHeader = name => {
|
|
return fullRequestXhr.getResponseHeader(name);
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: this._manager.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
|
|
if (allowRangeRequests) {
|
|
this._isRangeSupported = true;
|
|
}
|
|
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
|
|
if (this._isRangeSupported) {
|
|
this._manager.abortRequest(fullRequestXhrId);
|
|
}
|
|
|
|
this._headersReceivedCapability.resolve();
|
|
}
|
|
|
|
_onDone(data) {
|
|
if (data) {
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: data.chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._cachedChunks.push(data.chunk);
|
|
}
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
if (this._cachedChunks.length > 0) {
|
|
return;
|
|
}
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
}
|
|
|
|
_onError(status) {
|
|
this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
|
|
|
|
this._headersReceivedCapability.reject(this._storedError);
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.reject(this._storedError);
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
this._cachedChunks.length = 0;
|
|
}
|
|
|
|
_onProgress(evt) {
|
|
this.onProgress?.({
|
|
loaded: evt.loaded,
|
|
total: evt.lengthComputable ? evt.total : this._contentLength
|
|
});
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersReceivedCapability.promise;
|
|
}
|
|
|
|
async read() {
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
if (this._cachedChunks.length > 0) {
|
|
const chunk = this._cachedChunks.shift();
|
|
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
this._headersReceivedCapability.reject(reason);
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
|
|
if (this._manager.isPendingRequest(this._fullRequestId)) {
|
|
this._manager.abortRequest(this._fullRequestId);
|
|
}
|
|
|
|
this._fullRequestReader = null;
|
|
}
|
|
|
|
}
|
|
|
|
class PDFNetworkStreamRangeRequestReader {
|
|
constructor(manager, begin, end) {
|
|
this._manager = manager;
|
|
const args = {
|
|
onDone: this._onDone.bind(this),
|
|
onError: this._onError.bind(this),
|
|
onProgress: this._onProgress.bind(this)
|
|
};
|
|
this._url = manager.url;
|
|
this._requestId = manager.requestRange(begin, end, args);
|
|
this._requests = [];
|
|
this._queuedChunk = null;
|
|
this._done = false;
|
|
this._storedError = undefined;
|
|
this.onProgress = null;
|
|
this.onClosed = null;
|
|
}
|
|
|
|
_close() {
|
|
this.onClosed?.(this);
|
|
}
|
|
|
|
_onDone(data) {
|
|
const chunk = data.chunk;
|
|
|
|
if (this._requests.length > 0) {
|
|
const requestCapability = this._requests.shift();
|
|
|
|
requestCapability.resolve({
|
|
value: chunk,
|
|
done: false
|
|
});
|
|
} else {
|
|
this._queuedChunk = chunk;
|
|
}
|
|
|
|
this._done = true;
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
|
|
this._close();
|
|
}
|
|
|
|
_onError(status) {
|
|
this._storedError = (0, _network_utils.createResponseStatusError)(status, this._url);
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.reject(this._storedError);
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
this._queuedChunk = null;
|
|
}
|
|
|
|
_onProgress(evt) {
|
|
if (!this.isStreamingSupported) {
|
|
this.onProgress?.({
|
|
loaded: evt.loaded
|
|
});
|
|
}
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return false;
|
|
}
|
|
|
|
async read() {
|
|
if (this._storedError) {
|
|
throw this._storedError;
|
|
}
|
|
|
|
if (this._queuedChunk !== null) {
|
|
const chunk = this._queuedChunk;
|
|
this._queuedChunk = null;
|
|
return {
|
|
value: chunk,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
if (this._done) {
|
|
return {
|
|
value: undefined,
|
|
done: true
|
|
};
|
|
}
|
|
|
|
const requestCapability = (0, _util.createPromiseCapability)();
|
|
|
|
this._requests.push(requestCapability);
|
|
|
|
return requestCapability.promise;
|
|
}
|
|
|
|
cancel(reason) {
|
|
this._done = true;
|
|
|
|
for (const requestCapability of this._requests) {
|
|
requestCapability.resolve({
|
|
value: undefined,
|
|
done: true
|
|
});
|
|
}
|
|
|
|
this._requests.length = 0;
|
|
|
|
if (this._manager.isPendingRequest(this._requestId)) {
|
|
this._manager.abortRequest(this._requestId);
|
|
}
|
|
|
|
this._close();
|
|
}
|
|
|
|
}
|
|
|
|
/***/ }),
|
|
/* 27 */
|
|
/***/ ((__unused_webpack_module, exports, __w_pdfjs_require__) => {
|
|
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
exports.PDFFetchStream = void 0;
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _network_utils = __w_pdfjs_require__(24);
|
|
|
|
;
|
|
|
|
function createFetchOptions(headers, withCredentials, abortController) {
|
|
return {
|
|
method: "GET",
|
|
headers,
|
|
signal: abortController?.signal,
|
|
mode: "cors",
|
|
credentials: withCredentials ? "include" : "same-origin",
|
|
redirect: "follow"
|
|
};
|
|
}
|
|
|
|
function createHeaders(httpHeaders) {
|
|
const headers = new Headers();
|
|
|
|
for (const property in httpHeaders) {
|
|
const value = httpHeaders[property];
|
|
|
|
if (typeof value === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
headers.append(property, value);
|
|
}
|
|
|
|
return headers;
|
|
}
|
|
|
|
class PDFFetchStream {
|
|
constructor(source) {
|
|
this.source = source;
|
|
this.isHttp = /^https?:/i.test(source.url);
|
|
this.httpHeaders = this.isHttp && source.httpHeaders || {};
|
|
this._fullRequestReader = null;
|
|
this._rangeRequestReaders = [];
|
|
}
|
|
|
|
get _progressiveDataLength() {
|
|
return this._fullRequestReader?._loaded ?? 0;
|
|
}
|
|
|
|
getFullReader() {
|
|
(0, _util.assert)(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
|
|
this._fullRequestReader = new PDFFetchStreamReader(this);
|
|
return this._fullRequestReader;
|
|
}
|
|
|
|
getRangeReader(begin, end) {
|
|
if (end <= this._progressiveDataLength) {
|
|
return null;
|
|
}
|
|
|
|
const reader = new PDFFetchStreamRangeReader(this, begin, end);
|
|
|
|
this._rangeRequestReaders.push(reader);
|
|
|
|
return reader;
|
|
}
|
|
|
|
cancelAllRequests(reason) {
|
|
if (this._fullRequestReader) {
|
|
this._fullRequestReader.cancel(reason);
|
|
}
|
|
|
|
for (const reader of this._rangeRequestReaders.slice(0)) {
|
|
reader.cancel(reason);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
exports.PDFFetchStream = PDFFetchStream;
|
|
|
|
class PDFFetchStreamReader {
|
|
constructor(stream) {
|
|
this._stream = stream;
|
|
this._reader = null;
|
|
this._loaded = 0;
|
|
this._filename = null;
|
|
const source = stream.source;
|
|
this._withCredentials = source.withCredentials || false;
|
|
this._contentLength = source.length;
|
|
this._headersCapability = (0, _util.createPromiseCapability)();
|
|
this._disableRange = source.disableRange || false;
|
|
this._rangeChunkSize = source.rangeChunkSize;
|
|
|
|
if (!this._rangeChunkSize && !this._disableRange) {
|
|
this._disableRange = true;
|
|
}
|
|
|
|
if (typeof AbortController !== "undefined") {
|
|
this._abortController = new AbortController();
|
|
}
|
|
|
|
this._isStreamingSupported = !source.disableStream;
|
|
this._isRangeSupported = !source.disableRange;
|
|
this._headers = createHeaders(this._stream.httpHeaders);
|
|
const url = source.url;
|
|
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
|
|
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
|
|
throw (0, _network_utils.createResponseStatusError)(response.status, url);
|
|
}
|
|
|
|
this._reader = response.body.getReader();
|
|
|
|
this._headersCapability.resolve();
|
|
|
|
const getResponseHeader = name => {
|
|
return response.headers.get(name);
|
|
};
|
|
|
|
const {
|
|
allowRangeRequests,
|
|
suggestedLength
|
|
} = (0, _network_utils.validateRangeRequestCapabilities)({
|
|
getResponseHeader,
|
|
isHttp: this._stream.isHttp,
|
|
rangeChunkSize: this._rangeChunkSize,
|
|
disableRange: this._disableRange
|
|
});
|
|
this._isRangeSupported = allowRangeRequests;
|
|
this._contentLength = suggestedLength || this._contentLength;
|
|
this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
|
|
|
|
if (!this._isStreamingSupported && this._isRangeSupported) {
|
|
this.cancel(new _util.AbortException("Streaming is disabled."));
|
|
}
|
|
}).catch(this._headersCapability.reject);
|
|
this.onProgress = null;
|
|
}
|
|
|
|
get headersReady() {
|
|
return this._headersCapability.promise;
|
|
}
|
|
|
|
get filename() {
|
|
return this._filename;
|
|
}
|
|
|
|
get contentLength() {
|
|
return this._contentLength;
|
|
}
|
|
|
|
get isRangeSupported() {
|
|
return this._isRangeSupported;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._headersCapability.promise;
|
|
const {
|
|
value,
|
|
done
|
|
} = await this._reader.read();
|
|
|
|
if (done) {
|
|
return {
|
|
value,
|
|
done
|
|
};
|
|
}
|
|
|
|
this._loaded += value.byteLength;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded,
|
|
total: this._contentLength
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(value).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (this._reader) {
|
|
this._reader.cancel(reason);
|
|
}
|
|
|
|
if (this._abortController) {
|
|
this._abortController.abort();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
class PDFFetchStreamRangeReader {
|
|
constructor(stream, begin, end) {
|
|
this._stream = stream;
|
|
this._reader = null;
|
|
this._loaded = 0;
|
|
const source = stream.source;
|
|
this._withCredentials = source.withCredentials || false;
|
|
this._readCapability = (0, _util.createPromiseCapability)();
|
|
this._isStreamingSupported = !source.disableStream;
|
|
|
|
if (typeof AbortController !== "undefined") {
|
|
this._abortController = new AbortController();
|
|
}
|
|
|
|
this._headers = createHeaders(this._stream.httpHeaders);
|
|
|
|
this._headers.append("Range", `bytes=${begin}-${end - 1}`);
|
|
|
|
const url = source.url;
|
|
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
|
|
if (!(0, _network_utils.validateResponseStatus)(response.status)) {
|
|
throw (0, _network_utils.createResponseStatusError)(response.status, url);
|
|
}
|
|
|
|
this._readCapability.resolve();
|
|
|
|
this._reader = response.body.getReader();
|
|
}).catch(this._readCapability.reject);
|
|
this.onProgress = null;
|
|
}
|
|
|
|
get isStreamingSupported() {
|
|
return this._isStreamingSupported;
|
|
}
|
|
|
|
async read() {
|
|
await this._readCapability.promise;
|
|
const {
|
|
value,
|
|
done
|
|
} = await this._reader.read();
|
|
|
|
if (done) {
|
|
return {
|
|
value,
|
|
done
|
|
};
|
|
}
|
|
|
|
this._loaded += value.byteLength;
|
|
|
|
if (this.onProgress) {
|
|
this.onProgress({
|
|
loaded: this._loaded
|
|
});
|
|
}
|
|
|
|
const buffer = new Uint8Array(value).buffer;
|
|
return {
|
|
value: buffer,
|
|
done: false
|
|
};
|
|
}
|
|
|
|
cancel(reason) {
|
|
if (this._reader) {
|
|
this._reader.cancel(reason);
|
|
}
|
|
|
|
if (this._abortController) {
|
|
this._abortController.abort();
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/***/ })
|
|
/******/ ]);
|
|
/************************************************************************/
|
|
/******/ // 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] = {
|
|
/******/ // no module.id needed
|
|
/******/ // no module.loaded needed
|
|
/******/ exports: {}
|
|
/******/ };
|
|
/******/
|
|
/******/ // Execute the module function
|
|
/******/ __webpack_modules__[moduleId](module, module.exports, __w_pdfjs_require__);
|
|
/******/
|
|
/******/ // Return the exports of the module
|
|
/******/ return module.exports;
|
|
/******/ }
|
|
/******/
|
|
/************************************************************************/
|
|
var __webpack_exports__ = {};
|
|
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
|
|
(() => {
|
|
var exports = __webpack_exports__;
|
|
|
|
|
|
Object.defineProperty(exports, "__esModule", ({
|
|
value: true
|
|
}));
|
|
Object.defineProperty(exports, "AnnotationLayer", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _annotation_layer.AnnotationLayer;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "AnnotationMode", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.AnnotationMode;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "CMapCompressionType", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.CMapCompressionType;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "GlobalWorkerOptions", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _worker_options.GlobalWorkerOptions;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "InvalidPDFException", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.InvalidPDFException;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "LoopbackPort", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.LoopbackPort;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "MissingPDFException", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.MissingPDFException;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "OPS", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.OPS;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PDFDataRangeTransport", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.PDFDataRangeTransport;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PDFDateString", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.PDFDateString;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PDFWorker", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.PDFWorker;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PasswordResponses", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.PasswordResponses;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PermissionFlag", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.PermissionFlag;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "PixelsPerInch", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.PixelsPerInch;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "RenderingCancelledException", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.RenderingCancelledException;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "SVGGraphics", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _svg.SVGGraphics;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "UNSUPPORTED_FEATURES", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.UNSUPPORTED_FEATURES;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "UnexpectedResponseException", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.UnexpectedResponseException;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "Util", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.Util;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "VerbosityLevel", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.VerbosityLevel;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "XfaLayer", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _xfa_layer.XfaLayer;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "build", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.build;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "createPromiseCapability", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.createPromiseCapability;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "createValidAbsoluteUrl", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.createValidAbsoluteUrl;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "getDocument", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.getDocument;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "getFilenameFromUrl", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.getFilenameFromUrl;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "getPdfFilenameFromUrl", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.getPdfFilenameFromUrl;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "getXfaPageViewport", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.getXfaPageViewport;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "isPdfFile", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.isPdfFile;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "loadScript", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _display_utils.loadScript;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "renderTextLayer", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _text_layer.renderTextLayer;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "shadow", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _util.shadow;
|
|
}
|
|
}));
|
|
Object.defineProperty(exports, "version", ({
|
|
enumerable: true,
|
|
get: function () {
|
|
return _api.version;
|
|
}
|
|
}));
|
|
|
|
var _util = __w_pdfjs_require__(1);
|
|
|
|
var _api = __w_pdfjs_require__(4);
|
|
|
|
var _display_utils = __w_pdfjs_require__(5);
|
|
|
|
var _annotation_layer = __w_pdfjs_require__(18);
|
|
|
|
var _worker_options = __w_pdfjs_require__(12);
|
|
|
|
var _is_node = __w_pdfjs_require__(3);
|
|
|
|
var _text_layer = __w_pdfjs_require__(21);
|
|
|
|
var _svg = __w_pdfjs_require__(22);
|
|
|
|
var _xfa_layer = __w_pdfjs_require__(20);
|
|
|
|
const pdfjsVersion = '2.13.216';
|
|
const pdfjsBuild = '399a0ec60';
|
|
{
|
|
if (_is_node.isNodeJS) {
|
|
const {
|
|
PDFNodeStream
|
|
} = __w_pdfjs_require__(23);
|
|
|
|
(0, _api.setPDFNetworkStreamFactory)(params => {
|
|
return new PDFNodeStream(params);
|
|
});
|
|
} else {
|
|
const {
|
|
PDFNetworkStream
|
|
} = __w_pdfjs_require__(26);
|
|
|
|
const {
|
|
PDFFetchStream
|
|
} = __w_pdfjs_require__(27);
|
|
|
|
(0, _api.setPDFNetworkStreamFactory)(params => {
|
|
if ((0, _display_utils.isValidFetchUrl)(params.url)) {
|
|
return new PDFFetchStream(params);
|
|
}
|
|
|
|
return new PDFNetworkStream(params);
|
|
});
|
|
}
|
|
}
|
|
})();
|
|
|
|
/******/ return __webpack_exports__;
|
|
/******/ })()
|
|
;
|
|
});
|
|
//# sourceMappingURL=pdf.js.map |