mirror of
https://github.com/janeczku/calibre-web
synced 2024-08-25 19:16:50 +00:00
9052 lines
302 KiB
JavaScript
Vendored
9052 lines
302 KiB
JavaScript
Vendored
/* Copyright 2012 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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(function (root, factory) {
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'use strict';
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if (typeof define === 'function' && define.amd) {
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define('pdfjs-dist/build/pdf', ['exports'], factory);
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} else if (typeof exports !== 'undefined') {
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factory(exports);
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} else {
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factory(root['pdfjsDistBuildPdf'] = {});
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}
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}(this, function (exports) {
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'use strict';
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var pdfjsVersion = '1.7.225';
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var pdfjsBuild = '17d135f';
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var pdfjsFilePath = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : null;
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var pdfjsLibs = {};
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(function pdfjsWrapper() {
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(function (root, factory) {
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factory(root.pdfjsSharedUtil = {});
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}(this, function (exports) {
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var globalScope = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : this;
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var FONT_IDENTITY_MATRIX = [
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0.001,
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0,
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0,
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0.001,
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0,
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0
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];
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var 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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var 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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var 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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var 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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var 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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var 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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var StreamType = {
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UNKNOWN: 0,
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FLATE: 1,
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LZW: 2,
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DCT: 3,
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JPX: 4,
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JBIG: 5,
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A85: 6,
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AHX: 7,
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CCF: 8,
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RL: 9
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};
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var FontType = {
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UNKNOWN: 0,
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TYPE1: 1,
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TYPE1C: 2,
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CIDFONTTYPE0: 3,
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CIDFONTTYPE0C: 4,
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TRUETYPE: 5,
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CIDFONTTYPE2: 6,
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TYPE3: 7,
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OPENTYPE: 8,
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TYPE0: 9,
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MMTYPE1: 10
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};
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var VERBOSITY_LEVELS = {
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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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var 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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var verbosity = VERBOSITY_LEVELS.warnings;
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function setVerbosityLevel(level) {
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verbosity = level;
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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 >= VERBOSITY_LEVELS.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 >= VERBOSITY_LEVELS.warnings) {
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console.log('Warning: ' + msg);
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}
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}
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function deprecated(details) {
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console.log('Deprecated API usage: ' + details);
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}
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function error(msg) {
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if (verbosity >= VERBOSITY_LEVELS.errors) {
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console.log('Error: ' + msg);
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console.log(backtrace());
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}
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throw new Error(msg);
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}
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function backtrace() {
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try {
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throw new Error();
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} catch (e) {
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return e.stack ? e.stack.split('\n').slice(2).join('\n') : '';
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}
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}
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function assert(cond, msg) {
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if (!cond) {
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error(msg);
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}
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}
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var UNSUPPORTED_FEATURES = {
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unknown: 'unknown',
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forms: 'forms',
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javaScript: 'javaScript',
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smask: 'smask',
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shadingPattern: 'shadingPattern',
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font: 'font'
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};
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function isSameOrigin(baseUrl, otherUrl) {
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try {
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var 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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var 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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function createValidAbsoluteUrl(url, baseUrl) {
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if (!url) {
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return null;
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}
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try {
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var 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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}
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return null;
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}
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function shadow(obj, prop, value) {
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Object.defineProperty(obj, prop, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: false
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});
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return value;
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}
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function getLookupTableFactory(initializer) {
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var lookup;
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return function () {
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if (initializer) {
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lookup = Object.create(null);
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initializer(lookup);
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initializer = null;
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}
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return lookup;
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};
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}
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var PasswordResponses = {
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NEED_PASSWORD: 1,
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INCORRECT_PASSWORD: 2
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};
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var PasswordException = function PasswordExceptionClosure() {
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function PasswordException(msg, code) {
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this.name = 'PasswordException';
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this.message = msg;
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this.code = code;
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}
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PasswordException.prototype = new Error();
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PasswordException.constructor = PasswordException;
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return PasswordException;
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}();
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var UnknownErrorException = function UnknownErrorExceptionClosure() {
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function UnknownErrorException(msg, details) {
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this.name = 'UnknownErrorException';
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this.message = msg;
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this.details = details;
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}
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UnknownErrorException.prototype = new Error();
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UnknownErrorException.constructor = UnknownErrorException;
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return UnknownErrorException;
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}();
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var InvalidPDFException = function InvalidPDFExceptionClosure() {
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function InvalidPDFException(msg) {
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this.name = 'InvalidPDFException';
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this.message = msg;
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}
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InvalidPDFException.prototype = new Error();
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InvalidPDFException.constructor = InvalidPDFException;
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return InvalidPDFException;
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}();
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var MissingPDFException = function MissingPDFExceptionClosure() {
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function MissingPDFException(msg) {
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this.name = 'MissingPDFException';
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this.message = msg;
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}
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MissingPDFException.prototype = new Error();
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MissingPDFException.constructor = MissingPDFException;
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return MissingPDFException;
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}();
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var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
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function UnexpectedResponseException(msg, status) {
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this.name = 'UnexpectedResponseException';
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|
this.message = msg;
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this.status = status;
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}
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UnexpectedResponseException.prototype = new Error();
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UnexpectedResponseException.constructor = UnexpectedResponseException;
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return UnexpectedResponseException;
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}();
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var NotImplementedException = function NotImplementedExceptionClosure() {
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function NotImplementedException(msg) {
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this.message = msg;
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}
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NotImplementedException.prototype = new Error();
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NotImplementedException.prototype.name = 'NotImplementedException';
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NotImplementedException.constructor = NotImplementedException;
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return NotImplementedException;
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}();
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var MissingDataException = function MissingDataExceptionClosure() {
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function MissingDataException(begin, end) {
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this.begin = begin;
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this.end = end;
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this.message = 'Missing data [' + begin + ', ' + end + ')';
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}
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MissingDataException.prototype = new Error();
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MissingDataException.prototype.name = 'MissingDataException';
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MissingDataException.constructor = MissingDataException;
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return MissingDataException;
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|
}();
|
|
var XRefParseException = function XRefParseExceptionClosure() {
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|
function XRefParseException(msg) {
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this.message = msg;
|
|
}
|
|
XRefParseException.prototype = new Error();
|
|
XRefParseException.prototype.name = 'XRefParseException';
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|
XRefParseException.constructor = XRefParseException;
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return XRefParseException;
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}();
|
|
var NullCharactersRegExp = /\x00/g;
|
|
function removeNullCharacters(str) {
|
|
if (typeof str !== 'string') {
|
|
warn('The argument for removeNullCharacters must be a string.');
|
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return str;
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|
}
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return str.replace(NullCharactersRegExp, '');
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|
}
|
|
function bytesToString(bytes) {
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|
assert(bytes !== null && typeof bytes === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
|
|
var length = bytes.length;
|
|
var MAX_ARGUMENT_COUNT = 8192;
|
|
if (length < MAX_ARGUMENT_COUNT) {
|
|
return String.fromCharCode.apply(null, bytes);
|
|
}
|
|
var strBuf = [];
|
|
for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
|
|
var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
|
|
var chunk = bytes.subarray(i, chunkEnd);
|
|
strBuf.push(String.fromCharCode.apply(null, chunk));
|
|
}
|
|
return strBuf.join('');
|
|
}
|
|
function stringToBytes(str) {
|
|
assert(typeof str === 'string', 'Invalid argument for stringToBytes');
|
|
var length = str.length;
|
|
var bytes = new Uint8Array(length);
|
|
for (var i = 0; i < length; ++i) {
|
|
bytes[i] = str.charCodeAt(i) & 0xFF;
|
|
}
|
|
return bytes;
|
|
}
|
|
function arrayByteLength(arr) {
|
|
if (arr.length !== undefined) {
|
|
return arr.length;
|
|
}
|
|
assert(arr.byteLength !== undefined);
|
|
return arr.byteLength;
|
|
}
|
|
function arraysToBytes(arr) {
|
|
if (arr.length === 1 && arr[0] instanceof Uint8Array) {
|
|
return arr[0];
|
|
}
|
|
var resultLength = 0;
|
|
var i, ii = arr.length;
|
|
var item, itemLength;
|
|
for (i = 0; i < ii; i++) {
|
|
item = arr[i];
|
|
itemLength = arrayByteLength(item);
|
|
resultLength += itemLength;
|
|
}
|
|
var pos = 0;
|
|
var data = new Uint8Array(resultLength);
|
|
for (i = 0; i < ii; i++) {
|
|
item = arr[i];
|
|
if (!(item instanceof Uint8Array)) {
|
|
if (typeof item === 'string') {
|
|
item = stringToBytes(item);
|
|
} else {
|
|
item = new Uint8Array(item);
|
|
}
|
|
}
|
|
itemLength = item.byteLength;
|
|
data.set(item, pos);
|
|
pos += itemLength;
|
|
}
|
|
return data;
|
|
}
|
|
function string32(value) {
|
|
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
|
|
}
|
|
function log2(x) {
|
|
var n = 1, i = 0;
|
|
while (x > n) {
|
|
n <<= 1;
|
|
i++;
|
|
}
|
|
return i;
|
|
}
|
|
function readInt8(data, start) {
|
|
return data[start] << 24 >> 24;
|
|
}
|
|
function readUint16(data, offset) {
|
|
return data[offset] << 8 | data[offset + 1];
|
|
}
|
|
function readUint32(data, offset) {
|
|
return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
|
|
}
|
|
function isLittleEndian() {
|
|
var buffer8 = new Uint8Array(2);
|
|
buffer8[0] = 1;
|
|
var buffer16 = new Uint16Array(buffer8.buffer);
|
|
return buffer16[0] === 1;
|
|
}
|
|
function isEvalSupported() {
|
|
try {
|
|
new Function('');
|
|
return true;
|
|
} catch (e) {
|
|
return false;
|
|
}
|
|
}
|
|
var Uint32ArrayView = function Uint32ArrayViewClosure() {
|
|
function Uint32ArrayView(buffer, length) {
|
|
this.buffer = buffer;
|
|
this.byteLength = buffer.length;
|
|
this.length = length === undefined ? this.byteLength >> 2 : length;
|
|
ensureUint32ArrayViewProps(this.length);
|
|
}
|
|
Uint32ArrayView.prototype = Object.create(null);
|
|
var uint32ArrayViewSetters = 0;
|
|
function createUint32ArrayProp(index) {
|
|
return {
|
|
get: function () {
|
|
var buffer = this.buffer, offset = index << 2;
|
|
return (buffer[offset] | buffer[offset + 1] << 8 | buffer[offset + 2] << 16 | buffer[offset + 3] << 24) >>> 0;
|
|
},
|
|
set: function (value) {
|
|
var buffer = this.buffer, offset = index << 2;
|
|
buffer[offset] = value & 255;
|
|
buffer[offset + 1] = value >> 8 & 255;
|
|
buffer[offset + 2] = value >> 16 & 255;
|
|
buffer[offset + 3] = value >>> 24 & 255;
|
|
}
|
|
};
|
|
}
|
|
function ensureUint32ArrayViewProps(length) {
|
|
while (uint32ArrayViewSetters < length) {
|
|
Object.defineProperty(Uint32ArrayView.prototype, uint32ArrayViewSetters, createUint32ArrayProp(uint32ArrayViewSetters));
|
|
uint32ArrayViewSetters++;
|
|
}
|
|
}
|
|
return Uint32ArrayView;
|
|
}();
|
|
exports.Uint32ArrayView = Uint32ArrayView;
|
|
var IDENTITY_MATRIX = [
|
|
1,
|
|
0,
|
|
0,
|
|
1,
|
|
0,
|
|
0
|
|
];
|
|
var Util = function UtilClosure() {
|
|
function Util() {
|
|
}
|
|
var rgbBuf = [
|
|
'rgb(',
|
|
0,
|
|
',',
|
|
0,
|
|
',',
|
|
0,
|
|
')'
|
|
];
|
|
Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
|
|
rgbBuf[1] = r;
|
|
rgbBuf[3] = g;
|
|
rgbBuf[5] = b;
|
|
return rgbBuf.join('');
|
|
};
|
|
Util.transform = function Util_transform(m1, m2) {
|
|
return [
|
|
m1[0] * m2[0] + m1[2] * m2[1],
|
|
m1[1] * m2[0] + m1[3] * m2[1],
|
|
m1[0] * m2[2] + m1[2] * m2[3],
|
|
m1[1] * m2[2] + m1[3] * m2[3],
|
|
m1[0] * m2[4] + m1[2] * m2[5] + m1[4],
|
|
m1[1] * m2[4] + m1[3] * m2[5] + m1[5]
|
|
];
|
|
};
|
|
Util.applyTransform = function Util_applyTransform(p, m) {
|
|
var xt = p[0] * m[0] + p[1] * m[2] + m[4];
|
|
var yt = p[0] * m[1] + p[1] * m[3] + m[5];
|
|
return [
|
|
xt,
|
|
yt
|
|
];
|
|
};
|
|
Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
|
|
var d = m[0] * m[3] - m[1] * m[2];
|
|
var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
|
|
var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
|
|
return [
|
|
xt,
|
|
yt
|
|
];
|
|
};
|
|
Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
|
|
var p1 = Util.applyTransform(r, m);
|
|
var p2 = Util.applyTransform(r.slice(2, 4), m);
|
|
var p3 = Util.applyTransform([
|
|
r[0],
|
|
r[3]
|
|
], m);
|
|
var p4 = Util.applyTransform([
|
|
r[2],
|
|
r[1]
|
|
], m);
|
|
return [
|
|
Math.min(p1[0], p2[0], p3[0], p4[0]),
|
|
Math.min(p1[1], p2[1], p3[1], p4[1]),
|
|
Math.max(p1[0], p2[0], p3[0], p4[0]),
|
|
Math.max(p1[1], p2[1], p3[1], p4[1])
|
|
];
|
|
};
|
|
Util.inverseTransform = function Util_inverseTransform(m) {
|
|
var d = m[0] * m[3] - m[1] * m[2];
|
|
return [
|
|
m[3] / d,
|
|
-m[1] / d,
|
|
-m[2] / d,
|
|
m[0] / d,
|
|
(m[2] * m[5] - m[4] * m[3]) / d,
|
|
(m[4] * m[1] - m[5] * m[0]) / d
|
|
];
|
|
};
|
|
Util.apply3dTransform = function Util_apply3dTransform(m, v) {
|
|
return [
|
|
m[0] * v[0] + m[1] * v[1] + m[2] * v[2],
|
|
m[3] * v[0] + m[4] * v[1] + m[5] * v[2],
|
|
m[6] * v[0] + m[7] * v[1] + m[8] * v[2]
|
|
];
|
|
};
|
|
Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
|
|
var transpose = [
|
|
m[0],
|
|
m[2],
|
|
m[1],
|
|
m[3]
|
|
];
|
|
var a = m[0] * transpose[0] + m[1] * transpose[2];
|
|
var b = m[0] * transpose[1] + m[1] * transpose[3];
|
|
var c = m[2] * transpose[0] + m[3] * transpose[2];
|
|
var d = m[2] * transpose[1] + m[3] * transpose[3];
|
|
var first = (a + d) / 2;
|
|
var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
|
|
var sx = first + second || 1;
|
|
var sy = first - second || 1;
|
|
return [
|
|
Math.sqrt(sx),
|
|
Math.sqrt(sy)
|
|
];
|
|
};
|
|
Util.normalizeRect = function Util_normalizeRect(rect) {
|
|
var r = rect.slice(0);
|
|
if (rect[0] > rect[2]) {
|
|
r[0] = rect[2];
|
|
r[2] = rect[0];
|
|
}
|
|
if (rect[1] > rect[3]) {
|
|
r[1] = rect[3];
|
|
r[3] = rect[1];
|
|
}
|
|
return r;
|
|
};
|
|
Util.intersect = function Util_intersect(rect1, rect2) {
|
|
function compare(a, b) {
|
|
return a - b;
|
|
}
|
|
var orderedX = [
|
|
rect1[0],
|
|
rect1[2],
|
|
rect2[0],
|
|
rect2[2]
|
|
].sort(compare), orderedY = [
|
|
rect1[1],
|
|
rect1[3],
|
|
rect2[1],
|
|
rect2[3]
|
|
].sort(compare), result = [];
|
|
rect1 = Util.normalizeRect(rect1);
|
|
rect2 = Util.normalizeRect(rect2);
|
|
if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
|
|
result[0] = orderedX[1];
|
|
result[2] = orderedX[2];
|
|
} else {
|
|
return false;
|
|
}
|
|
if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
|
|
result[1] = orderedY[1];
|
|
result[3] = orderedY[2];
|
|
} else {
|
|
return false;
|
|
}
|
|
return result;
|
|
};
|
|
Util.sign = function Util_sign(num) {
|
|
return num < 0 ? -1 : 1;
|
|
};
|
|
var ROMAN_NUMBER_MAP = [
|
|
'',
|
|
'C',
|
|
'CC',
|
|
'CCC',
|
|
'CD',
|
|
'D',
|
|
'DC',
|
|
'DCC',
|
|
'DCCC',
|
|
'CM',
|
|
'',
|
|
'X',
|
|
'XX',
|
|
'XXX',
|
|
'XL',
|
|
'L',
|
|
'LX',
|
|
'LXX',
|
|
'LXXX',
|
|
'XC',
|
|
'',
|
|
'I',
|
|
'II',
|
|
'III',
|
|
'IV',
|
|
'V',
|
|
'VI',
|
|
'VII',
|
|
'VIII',
|
|
'IX'
|
|
];
|
|
Util.toRoman = function Util_toRoman(number, lowerCase) {
|
|
assert(isInt(number) && number > 0, 'The number should be a positive integer.');
|
|
var pos, romanBuf = [];
|
|
while (number >= 1000) {
|
|
number -= 1000;
|
|
romanBuf.push('M');
|
|
}
|
|
pos = number / 100 | 0;
|
|
number %= 100;
|
|
romanBuf.push(ROMAN_NUMBER_MAP[pos]);
|
|
pos = number / 10 | 0;
|
|
number %= 10;
|
|
romanBuf.push(ROMAN_NUMBER_MAP[10 + pos]);
|
|
romanBuf.push(ROMAN_NUMBER_MAP[20 + number]);
|
|
var romanStr = romanBuf.join('');
|
|
return lowerCase ? romanStr.toLowerCase() : romanStr;
|
|
};
|
|
Util.appendToArray = function Util_appendToArray(arr1, arr2) {
|
|
Array.prototype.push.apply(arr1, arr2);
|
|
};
|
|
Util.prependToArray = function Util_prependToArray(arr1, arr2) {
|
|
Array.prototype.unshift.apply(arr1, arr2);
|
|
};
|
|
Util.extendObj = function extendObj(obj1, obj2) {
|
|
for (var key in obj2) {
|
|
obj1[key] = obj2[key];
|
|
}
|
|
};
|
|
Util.getInheritableProperty = function Util_getInheritableProperty(dict, name, getArray) {
|
|
while (dict && !dict.has(name)) {
|
|
dict = dict.get('Parent');
|
|
}
|
|
if (!dict) {
|
|
return null;
|
|
}
|
|
return getArray ? dict.getArray(name) : dict.get(name);
|
|
};
|
|
Util.inherit = function Util_inherit(sub, base, prototype) {
|
|
sub.prototype = Object.create(base.prototype);
|
|
sub.prototype.constructor = sub;
|
|
for (var prop in prototype) {
|
|
sub.prototype[prop] = prototype[prop];
|
|
}
|
|
};
|
|
Util.loadScript = function Util_loadScript(src, callback) {
|
|
var script = document.createElement('script');
|
|
var loaded = false;
|
|
script.setAttribute('src', src);
|
|
if (callback) {
|
|
script.onload = function () {
|
|
if (!loaded) {
|
|
callback();
|
|
}
|
|
loaded = true;
|
|
};
|
|
}
|
|
document.getElementsByTagName('head')[0].appendChild(script);
|
|
};
|
|
return Util;
|
|
}();
|
|
var PageViewport = function PageViewportClosure() {
|
|
function PageViewport(viewBox, scale, rotation, offsetX, offsetY, dontFlip) {
|
|
this.viewBox = viewBox;
|
|
this.scale = scale;
|
|
this.rotation = rotation;
|
|
this.offsetX = offsetX;
|
|
this.offsetY = offsetY;
|
|
var centerX = (viewBox[2] + viewBox[0]) / 2;
|
|
var centerY = (viewBox[3] + viewBox[1]) / 2;
|
|
var rotateA, rotateB, rotateC, rotateD;
|
|
rotation = rotation % 360;
|
|
rotation = rotation < 0 ? rotation + 360 : rotation;
|
|
switch (rotation) {
|
|
case 180:
|
|
rotateA = -1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = 1;
|
|
break;
|
|
case 90:
|
|
rotateA = 0;
|
|
rotateB = 1;
|
|
rotateC = 1;
|
|
rotateD = 0;
|
|
break;
|
|
case 270:
|
|
rotateA = 0;
|
|
rotateB = -1;
|
|
rotateC = -1;
|
|
rotateD = 0;
|
|
break;
|
|
default:
|
|
rotateA = 1;
|
|
rotateB = 0;
|
|
rotateC = 0;
|
|
rotateD = -1;
|
|
break;
|
|
}
|
|
if (dontFlip) {
|
|
rotateC = -rotateC;
|
|
rotateD = -rotateD;
|
|
}
|
|
var offsetCanvasX, offsetCanvasY;
|
|
var width, height;
|
|
if (rotateA === 0) {
|
|
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
|
|
width = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
height = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
} else {
|
|
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
|
|
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
|
|
width = Math.abs(viewBox[2] - viewBox[0]) * scale;
|
|
height = Math.abs(viewBox[3] - viewBox[1]) * scale;
|
|
}
|
|
this.transform = [
|
|
rotateA * scale,
|
|
rotateB * scale,
|
|
rotateC * scale,
|
|
rotateD * scale,
|
|
offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY,
|
|
offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY
|
|
];
|
|
this.width = width;
|
|
this.height = height;
|
|
this.fontScale = scale;
|
|
}
|
|
PageViewport.prototype = {
|
|
clone: function PageViewPort_clone(args) {
|
|
args = args || {};
|
|
var scale = 'scale' in args ? args.scale : this.scale;
|
|
var rotation = 'rotation' in args ? args.rotation : this.rotation;
|
|
return new PageViewport(this.viewBox.slice(), scale, rotation, this.offsetX, this.offsetY, args.dontFlip);
|
|
},
|
|
convertToViewportPoint: function PageViewport_convertToViewportPoint(x, y) {
|
|
return Util.applyTransform([
|
|
x,
|
|
y
|
|
], this.transform);
|
|
},
|
|
convertToViewportRectangle: function PageViewport_convertToViewportRectangle(rect) {
|
|
var tl = Util.applyTransform([
|
|
rect[0],
|
|
rect[1]
|
|
], this.transform);
|
|
var br = Util.applyTransform([
|
|
rect[2],
|
|
rect[3]
|
|
], this.transform);
|
|
return [
|
|
tl[0],
|
|
tl[1],
|
|
br[0],
|
|
br[1]
|
|
];
|
|
},
|
|
convertToPdfPoint: function PageViewport_convertToPdfPoint(x, y) {
|
|
return Util.applyInverseTransform([
|
|
x,
|
|
y
|
|
], this.transform);
|
|
}
|
|
};
|
|
return PageViewport;
|
|
}();
|
|
var PDFStringTranslateTable = [
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0x2D8,
|
|
0x2C7,
|
|
0x2C6,
|
|
0x2D9,
|
|
0x2DD,
|
|
0x2DB,
|
|
0x2DA,
|
|
0x2DC,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
0x2022,
|
|
0x2020,
|
|
0x2021,
|
|
0x2026,
|
|
0x2014,
|
|
0x2013,
|
|
0x192,
|
|
0x2044,
|
|
0x2039,
|
|
0x203A,
|
|
0x2212,
|
|
0x2030,
|
|
0x201E,
|
|
0x201C,
|
|
0x201D,
|
|
0x2018,
|
|
0x2019,
|
|
0x201A,
|
|
0x2122,
|
|
0xFB01,
|
|
0xFB02,
|
|
0x141,
|
|
0x152,
|
|
0x160,
|
|
0x178,
|
|
0x17D,
|
|
0x131,
|
|
0x142,
|
|
0x153,
|
|
0x161,
|
|
0x17E,
|
|
0,
|
|
0x20AC
|
|
];
|
|
function stringToPDFString(str) {
|
|
var i, n = str.length, strBuf = [];
|
|
if (str[0] === '\xFE' && str[1] === '\xFF') {
|
|
for (i = 2; i < n; i += 2) {
|
|
strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
|
|
}
|
|
} else {
|
|
for (i = 0; i < n; ++i) {
|
|
var code = PDFStringTranslateTable[str.charCodeAt(i)];
|
|
strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
|
|
}
|
|
}
|
|
return strBuf.join('');
|
|
}
|
|
function stringToUTF8String(str) {
|
|
return decodeURIComponent(escape(str));
|
|
}
|
|
function utf8StringToString(str) {
|
|
return unescape(encodeURIComponent(str));
|
|
}
|
|
function isEmptyObj(obj) {
|
|
for (var key in obj) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
function isBool(v) {
|
|
return typeof v === 'boolean';
|
|
}
|
|
function isInt(v) {
|
|
return typeof v === 'number' && (v | 0) === v;
|
|
}
|
|
function isNum(v) {
|
|
return typeof v === 'number';
|
|
}
|
|
function isString(v) {
|
|
return typeof v === 'string';
|
|
}
|
|
function isArray(v) {
|
|
return v instanceof Array;
|
|
}
|
|
function isArrayBuffer(v) {
|
|
return typeof v === 'object' && v !== null && v.byteLength !== undefined;
|
|
}
|
|
function isSpace(ch) {
|
|
return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
|
|
}
|
|
function createPromiseCapability() {
|
|
var capability = {};
|
|
capability.promise = new Promise(function (resolve, reject) {
|
|
capability.resolve = resolve;
|
|
capability.reject = reject;
|
|
});
|
|
return capability;
|
|
}
|
|
(function PromiseClosure() {
|
|
if (globalScope.Promise) {
|
|
if (typeof globalScope.Promise.all !== 'function') {
|
|
globalScope.Promise.all = function (iterable) {
|
|
var count = 0, results = [], resolve, reject;
|
|
var promise = new globalScope.Promise(function (resolve_, reject_) {
|
|
resolve = resolve_;
|
|
reject = reject_;
|
|
});
|
|
iterable.forEach(function (p, i) {
|
|
count++;
|
|
p.then(function (result) {
|
|
results[i] = result;
|
|
count--;
|
|
if (count === 0) {
|
|
resolve(results);
|
|
}
|
|
}, reject);
|
|
});
|
|
if (count === 0) {
|
|
resolve(results);
|
|
}
|
|
return promise;
|
|
};
|
|
}
|
|
if (typeof globalScope.Promise.resolve !== 'function') {
|
|
globalScope.Promise.resolve = function (value) {
|
|
return new globalScope.Promise(function (resolve) {
|
|
resolve(value);
|
|
});
|
|
};
|
|
}
|
|
if (typeof globalScope.Promise.reject !== 'function') {
|
|
globalScope.Promise.reject = function (reason) {
|
|
return new globalScope.Promise(function (resolve, reject) {
|
|
reject(reason);
|
|
});
|
|
};
|
|
}
|
|
if (typeof globalScope.Promise.prototype.catch !== 'function') {
|
|
globalScope.Promise.prototype.catch = function (onReject) {
|
|
return globalScope.Promise.prototype.then(undefined, onReject);
|
|
};
|
|
}
|
|
return;
|
|
}
|
|
var STATUS_PENDING = 0;
|
|
var STATUS_RESOLVED = 1;
|
|
var STATUS_REJECTED = 2;
|
|
var REJECTION_TIMEOUT = 500;
|
|
var HandlerManager = {
|
|
handlers: [],
|
|
running: false,
|
|
unhandledRejections: [],
|
|
pendingRejectionCheck: false,
|
|
scheduleHandlers: function scheduleHandlers(promise) {
|
|
if (promise._status === STATUS_PENDING) {
|
|
return;
|
|
}
|
|
this.handlers = this.handlers.concat(promise._handlers);
|
|
promise._handlers = [];
|
|
if (this.running) {
|
|
return;
|
|
}
|
|
this.running = true;
|
|
setTimeout(this.runHandlers.bind(this), 0);
|
|
},
|
|
runHandlers: function runHandlers() {
|
|
var RUN_TIMEOUT = 1;
|
|
var timeoutAt = Date.now() + RUN_TIMEOUT;
|
|
while (this.handlers.length > 0) {
|
|
var handler = this.handlers.shift();
|
|
var nextStatus = handler.thisPromise._status;
|
|
var nextValue = handler.thisPromise._value;
|
|
try {
|
|
if (nextStatus === STATUS_RESOLVED) {
|
|
if (typeof handler.onResolve === 'function') {
|
|
nextValue = handler.onResolve(nextValue);
|
|
}
|
|
} else if (typeof handler.onReject === 'function') {
|
|
nextValue = handler.onReject(nextValue);
|
|
nextStatus = STATUS_RESOLVED;
|
|
if (handler.thisPromise._unhandledRejection) {
|
|
this.removeUnhandeledRejection(handler.thisPromise);
|
|
}
|
|
}
|
|
} catch (ex) {
|
|
nextStatus = STATUS_REJECTED;
|
|
nextValue = ex;
|
|
}
|
|
handler.nextPromise._updateStatus(nextStatus, nextValue);
|
|
if (Date.now() >= timeoutAt) {
|
|
break;
|
|
}
|
|
}
|
|
if (this.handlers.length > 0) {
|
|
setTimeout(this.runHandlers.bind(this), 0);
|
|
return;
|
|
}
|
|
this.running = false;
|
|
},
|
|
addUnhandledRejection: function addUnhandledRejection(promise) {
|
|
this.unhandledRejections.push({
|
|
promise: promise,
|
|
time: Date.now()
|
|
});
|
|
this.scheduleRejectionCheck();
|
|
},
|
|
removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
|
|
promise._unhandledRejection = false;
|
|
for (var i = 0; i < this.unhandledRejections.length; i++) {
|
|
if (this.unhandledRejections[i].promise === promise) {
|
|
this.unhandledRejections.splice(i);
|
|
i--;
|
|
}
|
|
}
|
|
},
|
|
scheduleRejectionCheck: function scheduleRejectionCheck() {
|
|
if (this.pendingRejectionCheck) {
|
|
return;
|
|
}
|
|
this.pendingRejectionCheck = true;
|
|
setTimeout(function rejectionCheck() {
|
|
this.pendingRejectionCheck = false;
|
|
var now = Date.now();
|
|
for (var i = 0; i < this.unhandledRejections.length; i++) {
|
|
if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
|
|
var unhandled = this.unhandledRejections[i].promise._value;
|
|
var msg = 'Unhandled rejection: ' + unhandled;
|
|
if (unhandled.stack) {
|
|
msg += '\n' + unhandled.stack;
|
|
}
|
|
warn(msg);
|
|
this.unhandledRejections.splice(i);
|
|
i--;
|
|
}
|
|
}
|
|
if (this.unhandledRejections.length) {
|
|
this.scheduleRejectionCheck();
|
|
}
|
|
}.bind(this), REJECTION_TIMEOUT);
|
|
}
|
|
};
|
|
var Promise = function Promise(resolver) {
|
|
this._status = STATUS_PENDING;
|
|
this._handlers = [];
|
|
try {
|
|
resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
|
|
} catch (e) {
|
|
this._reject(e);
|
|
}
|
|
};
|
|
Promise.all = function Promise_all(promises) {
|
|
var resolveAll, rejectAll;
|
|
var deferred = new Promise(function (resolve, reject) {
|
|
resolveAll = resolve;
|
|
rejectAll = reject;
|
|
});
|
|
var unresolved = promises.length;
|
|
var results = [];
|
|
if (unresolved === 0) {
|
|
resolveAll(results);
|
|
return deferred;
|
|
}
|
|
function reject(reason) {
|
|
if (deferred._status === STATUS_REJECTED) {
|
|
return;
|
|
}
|
|
results = [];
|
|
rejectAll(reason);
|
|
}
|
|
for (var i = 0, ii = promises.length; i < ii; ++i) {
|
|
var promise = promises[i];
|
|
var resolve = function (i) {
|
|
return function (value) {
|
|
if (deferred._status === STATUS_REJECTED) {
|
|
return;
|
|
}
|
|
results[i] = value;
|
|
unresolved--;
|
|
if (unresolved === 0) {
|
|
resolveAll(results);
|
|
}
|
|
};
|
|
}(i);
|
|
if (Promise.isPromise(promise)) {
|
|
promise.then(resolve, reject);
|
|
} else {
|
|
resolve(promise);
|
|
}
|
|
}
|
|
return deferred;
|
|
};
|
|
Promise.isPromise = function Promise_isPromise(value) {
|
|
return value && typeof value.then === 'function';
|
|
};
|
|
Promise.resolve = function Promise_resolve(value) {
|
|
return new Promise(function (resolve) {
|
|
resolve(value);
|
|
});
|
|
};
|
|
Promise.reject = function Promise_reject(reason) {
|
|
return new Promise(function (resolve, reject) {
|
|
reject(reason);
|
|
});
|
|
};
|
|
Promise.prototype = {
|
|
_status: null,
|
|
_value: null,
|
|
_handlers: null,
|
|
_unhandledRejection: null,
|
|
_updateStatus: function Promise__updateStatus(status, value) {
|
|
if (this._status === STATUS_RESOLVED || this._status === STATUS_REJECTED) {
|
|
return;
|
|
}
|
|
if (status === STATUS_RESOLVED && Promise.isPromise(value)) {
|
|
value.then(this._updateStatus.bind(this, STATUS_RESOLVED), this._updateStatus.bind(this, STATUS_REJECTED));
|
|
return;
|
|
}
|
|
this._status = status;
|
|
this._value = value;
|
|
if (status === STATUS_REJECTED && this._handlers.length === 0) {
|
|
this._unhandledRejection = true;
|
|
HandlerManager.addUnhandledRejection(this);
|
|
}
|
|
HandlerManager.scheduleHandlers(this);
|
|
},
|
|
_resolve: function Promise_resolve(value) {
|
|
this._updateStatus(STATUS_RESOLVED, value);
|
|
},
|
|
_reject: function Promise_reject(reason) {
|
|
this._updateStatus(STATUS_REJECTED, reason);
|
|
},
|
|
then: function Promise_then(onResolve, onReject) {
|
|
var nextPromise = new Promise(function (resolve, reject) {
|
|
this.resolve = resolve;
|
|
this.reject = reject;
|
|
});
|
|
this._handlers.push({
|
|
thisPromise: this,
|
|
onResolve: onResolve,
|
|
onReject: onReject,
|
|
nextPromise: nextPromise
|
|
});
|
|
HandlerManager.scheduleHandlers(this);
|
|
return nextPromise;
|
|
},
|
|
catch: function Promise_catch(onReject) {
|
|
return this.then(undefined, onReject);
|
|
}
|
|
};
|
|
globalScope.Promise = Promise;
|
|
}());
|
|
(function WeakMapClosure() {
|
|
if (globalScope.WeakMap) {
|
|
return;
|
|
}
|
|
var id = 0;
|
|
function WeakMap() {
|
|
this.id = '$weakmap' + id++;
|
|
}
|
|
WeakMap.prototype = {
|
|
has: function (obj) {
|
|
return !!Object.getOwnPropertyDescriptor(obj, this.id);
|
|
},
|
|
get: function (obj, defaultValue) {
|
|
return this.has(obj) ? obj[this.id] : defaultValue;
|
|
},
|
|
set: function (obj, value) {
|
|
Object.defineProperty(obj, this.id, {
|
|
value: value,
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
},
|
|
delete: function (obj) {
|
|
delete obj[this.id];
|
|
}
|
|
};
|
|
globalScope.WeakMap = WeakMap;
|
|
}());
|
|
var StatTimer = function StatTimerClosure() {
|
|
function rpad(str, pad, length) {
|
|
while (str.length < length) {
|
|
str += pad;
|
|
}
|
|
return str;
|
|
}
|
|
function StatTimer() {
|
|
this.started = Object.create(null);
|
|
this.times = [];
|
|
this.enabled = true;
|
|
}
|
|
StatTimer.prototype = {
|
|
time: function StatTimer_time(name) {
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
if (name in this.started) {
|
|
warn('Timer is already running for ' + name);
|
|
}
|
|
this.started[name] = Date.now();
|
|
},
|
|
timeEnd: function StatTimer_timeEnd(name) {
|
|
if (!this.enabled) {
|
|
return;
|
|
}
|
|
if (!(name in this.started)) {
|
|
warn('Timer has not been started for ' + name);
|
|
}
|
|
this.times.push({
|
|
'name': name,
|
|
'start': this.started[name],
|
|
'end': Date.now()
|
|
});
|
|
delete this.started[name];
|
|
},
|
|
toString: function StatTimer_toString() {
|
|
var i, ii;
|
|
var times = this.times;
|
|
var out = '';
|
|
var longest = 0;
|
|
for (i = 0, ii = times.length; i < ii; ++i) {
|
|
var name = times[i]['name'];
|
|
if (name.length > longest) {
|
|
longest = name.length;
|
|
}
|
|
}
|
|
for (i = 0, ii = times.length; i < ii; ++i) {
|
|
var span = times[i];
|
|
var duration = span.end - span.start;
|
|
out += rpad(span['name'], ' ', longest) + ' ' + duration + 'ms\n';
|
|
}
|
|
return out;
|
|
}
|
|
};
|
|
return StatTimer;
|
|
}();
|
|
var createBlob = function createBlob(data, contentType) {
|
|
if (typeof Blob !== 'undefined') {
|
|
return new Blob([data], { type: contentType });
|
|
}
|
|
warn('The "Blob" constructor is not supported.');
|
|
};
|
|
var createObjectURL = function createObjectURLClosure() {
|
|
var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
|
|
return function createObjectURL(data, contentType, forceDataSchema) {
|
|
if (!forceDataSchema && typeof URL !== 'undefined' && URL.createObjectURL) {
|
|
var blob = createBlob(data, contentType);
|
|
return URL.createObjectURL(blob);
|
|
}
|
|
var buffer = 'data:' + contentType + ';base64,';
|
|
for (var i = 0, ii = data.length; i < ii; i += 3) {
|
|
var b1 = data[i] & 0xFF;
|
|
var b2 = data[i + 1] & 0xFF;
|
|
var b3 = data[i + 2] & 0xFF;
|
|
var d1 = b1 >> 2, d2 = (b1 & 3) << 4 | b2 >> 4;
|
|
var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
|
|
var d4 = i + 2 < ii ? b3 & 0x3F : 64;
|
|
buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
|
|
}
|
|
return buffer;
|
|
};
|
|
}();
|
|
function MessageHandler(sourceName, targetName, comObj) {
|
|
this.sourceName = sourceName;
|
|
this.targetName = targetName;
|
|
this.comObj = comObj;
|
|
this.callbackIndex = 1;
|
|
this.postMessageTransfers = true;
|
|
var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
|
|
var ah = this.actionHandler = Object.create(null);
|
|
this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
|
|
var data = event.data;
|
|
if (data.targetName !== this.sourceName) {
|
|
return;
|
|
}
|
|
if (data.isReply) {
|
|
var callbackId = data.callbackId;
|
|
if (data.callbackId in callbacksCapabilities) {
|
|
var callback = callbacksCapabilities[callbackId];
|
|
delete callbacksCapabilities[callbackId];
|
|
if ('error' in data) {
|
|
callback.reject(data.error);
|
|
} else {
|
|
callback.resolve(data.data);
|
|
}
|
|
} else {
|
|
error('Cannot resolve callback ' + callbackId);
|
|
}
|
|
} else if (data.action in ah) {
|
|
var action = ah[data.action];
|
|
if (data.callbackId) {
|
|
var sourceName = this.sourceName;
|
|
var targetName = data.sourceName;
|
|
Promise.resolve().then(function () {
|
|
return action[0].call(action[1], data.data);
|
|
}).then(function (result) {
|
|
comObj.postMessage({
|
|
sourceName: sourceName,
|
|
targetName: targetName,
|
|
isReply: true,
|
|
callbackId: data.callbackId,
|
|
data: result
|
|
});
|
|
}, function (reason) {
|
|
if (reason instanceof Error) {
|
|
reason = reason + '';
|
|
}
|
|
comObj.postMessage({
|
|
sourceName: sourceName,
|
|
targetName: targetName,
|
|
isReply: true,
|
|
callbackId: data.callbackId,
|
|
error: reason
|
|
});
|
|
});
|
|
} else {
|
|
action[0].call(action[1], data.data);
|
|
}
|
|
} else {
|
|
error('Unknown action from worker: ' + data.action);
|
|
}
|
|
}.bind(this);
|
|
comObj.addEventListener('message', this._onComObjOnMessage);
|
|
}
|
|
MessageHandler.prototype = {
|
|
on: function messageHandlerOn(actionName, handler, scope) {
|
|
var ah = this.actionHandler;
|
|
if (ah[actionName]) {
|
|
error('There is already an actionName called "' + actionName + '"');
|
|
}
|
|
ah[actionName] = [
|
|
handler,
|
|
scope
|
|
];
|
|
},
|
|
send: function messageHandlerSend(actionName, data, transfers) {
|
|
var message = {
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data: data
|
|
};
|
|
this.postMessage(message, transfers);
|
|
},
|
|
sendWithPromise: function messageHandlerSendWithPromise(actionName, data, transfers) {
|
|
var callbackId = this.callbackIndex++;
|
|
var message = {
|
|
sourceName: this.sourceName,
|
|
targetName: this.targetName,
|
|
action: actionName,
|
|
data: data,
|
|
callbackId: callbackId
|
|
};
|
|
var capability = createPromiseCapability();
|
|
this.callbacksCapabilities[callbackId] = capability;
|
|
try {
|
|
this.postMessage(message, transfers);
|
|
} catch (e) {
|
|
capability.reject(e);
|
|
}
|
|
return capability.promise;
|
|
},
|
|
postMessage: function (message, transfers) {
|
|
if (transfers && this.postMessageTransfers) {
|
|
this.comObj.postMessage(message, transfers);
|
|
} else {
|
|
this.comObj.postMessage(message);
|
|
}
|
|
},
|
|
destroy: function () {
|
|
this.comObj.removeEventListener('message', this._onComObjOnMessage);
|
|
}
|
|
};
|
|
function loadJpegStream(id, imageUrl, objs) {
|
|
var img = new Image();
|
|
img.onload = function loadJpegStream_onloadClosure() {
|
|
objs.resolve(id, img);
|
|
};
|
|
img.onerror = function loadJpegStream_onerrorClosure() {
|
|
objs.resolve(id, null);
|
|
warn('Error during JPEG image loading');
|
|
};
|
|
img.src = imageUrl;
|
|
}
|
|
/* Any copyright is dedicated to the Public Domain.
|
|
* http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
(function checkURLConstructor(scope) {
|
|
var hasWorkingUrl = false;
|
|
try {
|
|
if (typeof URL === 'function' && typeof URL.prototype === 'object' && 'origin' in URL.prototype) {
|
|
var u = new URL('b', 'http://a');
|
|
u.pathname = 'c%20d';
|
|
hasWorkingUrl = u.href === 'http://a/c%20d';
|
|
}
|
|
} catch (e) {
|
|
}
|
|
if (hasWorkingUrl) {
|
|
return;
|
|
}
|
|
var relative = Object.create(null);
|
|
relative['ftp'] = 21;
|
|
relative['file'] = 0;
|
|
relative['gopher'] = 70;
|
|
relative['http'] = 80;
|
|
relative['https'] = 443;
|
|
relative['ws'] = 80;
|
|
relative['wss'] = 443;
|
|
var relativePathDotMapping = Object.create(null);
|
|
relativePathDotMapping['%2e'] = '.';
|
|
relativePathDotMapping['.%2e'] = '..';
|
|
relativePathDotMapping['%2e.'] = '..';
|
|
relativePathDotMapping['%2e%2e'] = '..';
|
|
function isRelativeScheme(scheme) {
|
|
return relative[scheme] !== undefined;
|
|
}
|
|
function invalid() {
|
|
clear.call(this);
|
|
this._isInvalid = true;
|
|
}
|
|
function IDNAToASCII(h) {
|
|
if (h === '') {
|
|
invalid.call(this);
|
|
}
|
|
return h.toLowerCase();
|
|
}
|
|
function percentEscape(c) {
|
|
var unicode = c.charCodeAt(0);
|
|
if (unicode > 0x20 && unicode < 0x7F && [
|
|
0x22,
|
|
0x23,
|
|
0x3C,
|
|
0x3E,
|
|
0x3F,
|
|
0x60
|
|
].indexOf(unicode) === -1) {
|
|
return c;
|
|
}
|
|
return encodeURIComponent(c);
|
|
}
|
|
function percentEscapeQuery(c) {
|
|
var unicode = c.charCodeAt(0);
|
|
if (unicode > 0x20 && unicode < 0x7F && [
|
|
0x22,
|
|
0x23,
|
|
0x3C,
|
|
0x3E,
|
|
0x60
|
|
].indexOf(unicode) === -1) {
|
|
return c;
|
|
}
|
|
return encodeURIComponent(c);
|
|
}
|
|
var EOF, ALPHA = /[a-zA-Z]/, ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
|
|
function parse(input, stateOverride, base) {
|
|
function err(message) {
|
|
errors.push(message);
|
|
}
|
|
var state = stateOverride || 'scheme start', cursor = 0, buffer = '', seenAt = false, seenBracket = false, errors = [];
|
|
loop:
|
|
while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
|
|
var c = input[cursor];
|
|
switch (state) {
|
|
case 'scheme start':
|
|
if (c && ALPHA.test(c)) {
|
|
buffer += c.toLowerCase();
|
|
state = 'scheme';
|
|
} else if (!stateOverride) {
|
|
buffer = '';
|
|
state = 'no scheme';
|
|
continue;
|
|
} else {
|
|
err('Invalid scheme.');
|
|
break loop;
|
|
}
|
|
break;
|
|
case 'scheme':
|
|
if (c && ALPHANUMERIC.test(c)) {
|
|
buffer += c.toLowerCase();
|
|
} else if (c === ':') {
|
|
this._scheme = buffer;
|
|
buffer = '';
|
|
if (stateOverride) {
|
|
break loop;
|
|
}
|
|
if (isRelativeScheme(this._scheme)) {
|
|
this._isRelative = true;
|
|
}
|
|
if (this._scheme === 'file') {
|
|
state = 'relative';
|
|
} else if (this._isRelative && base && base._scheme === this._scheme) {
|
|
state = 'relative or authority';
|
|
} else if (this._isRelative) {
|
|
state = 'authority first slash';
|
|
} else {
|
|
state = 'scheme data';
|
|
}
|
|
} else if (!stateOverride) {
|
|
buffer = '';
|
|
cursor = 0;
|
|
state = 'no scheme';
|
|
continue;
|
|
} else if (EOF === c) {
|
|
break loop;
|
|
} else {
|
|
err('Code point not allowed in scheme: ' + c);
|
|
break loop;
|
|
}
|
|
break;
|
|
case 'scheme data':
|
|
if (c === '?') {
|
|
this._query = '?';
|
|
state = 'query';
|
|
} else if (c === '#') {
|
|
this._fragment = '#';
|
|
state = 'fragment';
|
|
} else {
|
|
if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
|
|
this._schemeData += percentEscape(c);
|
|
}
|
|
}
|
|
break;
|
|
case 'no scheme':
|
|
if (!base || !isRelativeScheme(base._scheme)) {
|
|
err('Missing scheme.');
|
|
invalid.call(this);
|
|
} else {
|
|
state = 'relative';
|
|
continue;
|
|
}
|
|
break;
|
|
case 'relative or authority':
|
|
if (c === '/' && input[cursor + 1] === '/') {
|
|
state = 'authority ignore slashes';
|
|
} else {
|
|
err('Expected /, got: ' + c);
|
|
state = 'relative';
|
|
continue;
|
|
}
|
|
break;
|
|
case 'relative':
|
|
this._isRelative = true;
|
|
if ('file' !== this._scheme) {
|
|
this._scheme = base._scheme;
|
|
}
|
|
if (EOF === c) {
|
|
this._host = base._host;
|
|
this._port = base._port;
|
|
this._path = base._path.slice();
|
|
this._query = base._query;
|
|
this._username = base._username;
|
|
this._password = base._password;
|
|
break loop;
|
|
} else if (c === '/' || c === '\\') {
|
|
if (c === '\\') {
|
|
err('\\ is an invalid code point.');
|
|
}
|
|
state = 'relative slash';
|
|
} else if (c === '?') {
|
|
this._host = base._host;
|
|
this._port = base._port;
|
|
this._path = base._path.slice();
|
|
this._query = '?';
|
|
this._username = base._username;
|
|
this._password = base._password;
|
|
state = 'query';
|
|
} else if (c === '#') {
|
|
this._host = base._host;
|
|
this._port = base._port;
|
|
this._path = base._path.slice();
|
|
this._query = base._query;
|
|
this._fragment = '#';
|
|
this._username = base._username;
|
|
this._password = base._password;
|
|
state = 'fragment';
|
|
} else {
|
|
var nextC = input[cursor + 1];
|
|
var nextNextC = input[cursor + 2];
|
|
if ('file' !== this._scheme || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC && '?' !== nextNextC && '#' !== nextNextC) {
|
|
this._host = base._host;
|
|
this._port = base._port;
|
|
this._username = base._username;
|
|
this._password = base._password;
|
|
this._path = base._path.slice();
|
|
this._path.pop();
|
|
}
|
|
state = 'relative path';
|
|
continue;
|
|
}
|
|
break;
|
|
case 'relative slash':
|
|
if (c === '/' || c === '\\') {
|
|
if (c === '\\') {
|
|
err('\\ is an invalid code point.');
|
|
}
|
|
if (this._scheme === 'file') {
|
|
state = 'file host';
|
|
} else {
|
|
state = 'authority ignore slashes';
|
|
}
|
|
} else {
|
|
if ('file' !== this._scheme) {
|
|
this._host = base._host;
|
|
this._port = base._port;
|
|
this._username = base._username;
|
|
this._password = base._password;
|
|
}
|
|
state = 'relative path';
|
|
continue;
|
|
}
|
|
break;
|
|
case 'authority first slash':
|
|
if (c === '/') {
|
|
state = 'authority second slash';
|
|
} else {
|
|
err('Expected \'/\', got: ' + c);
|
|
state = 'authority ignore slashes';
|
|
continue;
|
|
}
|
|
break;
|
|
case 'authority second slash':
|
|
state = 'authority ignore slashes';
|
|
if ('/' !== c) {
|
|
err('Expected \'/\', got: ' + c);
|
|
continue;
|
|
}
|
|
break;
|
|
case 'authority ignore slashes':
|
|
if ('/' !== c && '\\' !== c) {
|
|
state = 'authority';
|
|
continue;
|
|
} else {
|
|
err('Expected authority, got: ' + c);
|
|
}
|
|
break;
|
|
case 'authority':
|
|
if (c === '@') {
|
|
if (seenAt) {
|
|
err('@ already seen.');
|
|
buffer += '%40';
|
|
}
|
|
seenAt = true;
|
|
for (var i = 0; i < buffer.length; i++) {
|
|
var cp = buffer[i];
|
|
if (cp === '\t' || cp === '\n' || cp === '\r') {
|
|
err('Invalid whitespace in authority.');
|
|
continue;
|
|
}
|
|
if (cp === ':' && this._password === null) {
|
|
this._password = '';
|
|
continue;
|
|
}
|
|
var tempC = percentEscape(cp);
|
|
if (null !== this._password) {
|
|
this._password += tempC;
|
|
} else {
|
|
this._username += tempC;
|
|
}
|
|
}
|
|
buffer = '';
|
|
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
|
|
cursor -= buffer.length;
|
|
buffer = '';
|
|
state = 'host';
|
|
continue;
|
|
} else {
|
|
buffer += c;
|
|
}
|
|
break;
|
|
case 'file host':
|
|
if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
|
|
if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
|
|
state = 'relative path';
|
|
} else if (buffer.length === 0) {
|
|
state = 'relative path start';
|
|
} else {
|
|
this._host = IDNAToASCII.call(this, buffer);
|
|
buffer = '';
|
|
state = 'relative path start';
|
|
}
|
|
continue;
|
|
} else if (c === '\t' || c === '\n' || c === '\r') {
|
|
err('Invalid whitespace in file host.');
|
|
} else {
|
|
buffer += c;
|
|
}
|
|
break;
|
|
case 'host':
|
|
case 'hostname':
|
|
if (c === ':' && !seenBracket) {
|
|
this._host = IDNAToASCII.call(this, buffer);
|
|
buffer = '';
|
|
state = 'port';
|
|
if (stateOverride === 'hostname') {
|
|
break loop;
|
|
}
|
|
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
|
|
this._host = IDNAToASCII.call(this, buffer);
|
|
buffer = '';
|
|
state = 'relative path start';
|
|
if (stateOverride) {
|
|
break loop;
|
|
}
|
|
continue;
|
|
} else if ('\t' !== c && '\n' !== c && '\r' !== c) {
|
|
if (c === '[') {
|
|
seenBracket = true;
|
|
} else if (c === ']') {
|
|
seenBracket = false;
|
|
}
|
|
buffer += c;
|
|
} else {
|
|
err('Invalid code point in host/hostname: ' + c);
|
|
}
|
|
break;
|
|
case 'port':
|
|
if (/[0-9]/.test(c)) {
|
|
buffer += c;
|
|
} else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
|
|
if ('' !== buffer) {
|
|
var temp = parseInt(buffer, 10);
|
|
if (temp !== relative[this._scheme]) {
|
|
this._port = temp + '';
|
|
}
|
|
buffer = '';
|
|
}
|
|
if (stateOverride) {
|
|
break loop;
|
|
}
|
|
state = 'relative path start';
|
|
continue;
|
|
} else if (c === '\t' || c === '\n' || c === '\r') {
|
|
err('Invalid code point in port: ' + c);
|
|
} else {
|
|
invalid.call(this);
|
|
}
|
|
break;
|
|
case 'relative path start':
|
|
if (c === '\\') {
|
|
err('\'\\\' not allowed in path.');
|
|
}
|
|
state = 'relative path';
|
|
if ('/' !== c && '\\' !== c) {
|
|
continue;
|
|
}
|
|
break;
|
|
case 'relative path':
|
|
if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
|
|
if (c === '\\') {
|
|
err('\\ not allowed in relative path.');
|
|
}
|
|
var tmp;
|
|
if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
|
|
buffer = tmp;
|
|
}
|
|
if (buffer === '..') {
|
|
this._path.pop();
|
|
if ('/' !== c && '\\' !== c) {
|
|
this._path.push('');
|
|
}
|
|
} else if (buffer === '.' && '/' !== c && '\\' !== c) {
|
|
this._path.push('');
|
|
} else if ('.' !== buffer) {
|
|
if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
|
|
buffer = buffer[0] + ':';
|
|
}
|
|
this._path.push(buffer);
|
|
}
|
|
buffer = '';
|
|
if (c === '?') {
|
|
this._query = '?';
|
|
state = 'query';
|
|
} else if (c === '#') {
|
|
this._fragment = '#';
|
|
state = 'fragment';
|
|
}
|
|
} else if ('\t' !== c && '\n' !== c && '\r' !== c) {
|
|
buffer += percentEscape(c);
|
|
}
|
|
break;
|
|
case 'query':
|
|
if (!stateOverride && c === '#') {
|
|
this._fragment = '#';
|
|
state = 'fragment';
|
|
} else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
|
|
this._query += percentEscapeQuery(c);
|
|
}
|
|
break;
|
|
case 'fragment':
|
|
if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
|
|
this._fragment += c;
|
|
}
|
|
break;
|
|
}
|
|
cursor++;
|
|
}
|
|
}
|
|
function clear() {
|
|
this._scheme = '';
|
|
this._schemeData = '';
|
|
this._username = '';
|
|
this._password = null;
|
|
this._host = '';
|
|
this._port = '';
|
|
this._path = [];
|
|
this._query = '';
|
|
this._fragment = '';
|
|
this._isInvalid = false;
|
|
this._isRelative = false;
|
|
}
|
|
function JURL(url, base)
|
|
{
|
|
if (base !== undefined && !(base instanceof JURL)) {
|
|
base = new JURL(String(base));
|
|
}
|
|
this._url = url;
|
|
clear.call(this);
|
|
var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
|
|
parse.call(this, input, null, base);
|
|
}
|
|
JURL.prototype = {
|
|
toString: function () {
|
|
return this.href;
|
|
},
|
|
get href() {
|
|
if (this._isInvalid) {
|
|
return this._url;
|
|
}
|
|
var authority = '';
|
|
if ('' !== this._username || null !== this._password) {
|
|
authority = this._username + (null !== this._password ? ':' + this._password : '') + '@';
|
|
}
|
|
return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
|
|
},
|
|
set href(href) {
|
|
clear.call(this);
|
|
parse.call(this, href);
|
|
},
|
|
get protocol() {
|
|
return this._scheme + ':';
|
|
},
|
|
set protocol(protocol) {
|
|
if (this._isInvalid) {
|
|
return;
|
|
}
|
|
parse.call(this, protocol + ':', 'scheme start');
|
|
},
|
|
get host() {
|
|
return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
|
|
},
|
|
set host(host) {
|
|
if (this._isInvalid || !this._isRelative) {
|
|
return;
|
|
}
|
|
parse.call(this, host, 'host');
|
|
},
|
|
get hostname() {
|
|
return this._host;
|
|
},
|
|
set hostname(hostname) {
|
|
if (this._isInvalid || !this._isRelative) {
|
|
return;
|
|
}
|
|
parse.call(this, hostname, 'hostname');
|
|
},
|
|
get port() {
|
|
return this._port;
|
|
},
|
|
set port(port) {
|
|
if (this._isInvalid || !this._isRelative) {
|
|
return;
|
|
}
|
|
parse.call(this, port, 'port');
|
|
},
|
|
get pathname() {
|
|
return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
|
|
},
|
|
set pathname(pathname) {
|
|
if (this._isInvalid || !this._isRelative) {
|
|
return;
|
|
}
|
|
this._path = [];
|
|
parse.call(this, pathname, 'relative path start');
|
|
},
|
|
get search() {
|
|
return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
|
|
},
|
|
set search(search) {
|
|
if (this._isInvalid || !this._isRelative) {
|
|
return;
|
|
}
|
|
this._query = '?';
|
|
if (search[0] === '?') {
|
|
search = search.slice(1);
|
|
}
|
|
parse.call(this, search, 'query');
|
|
},
|
|
get hash() {
|
|
return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
|
|
},
|
|
set hash(hash) {
|
|
if (this._isInvalid) {
|
|
return;
|
|
}
|
|
this._fragment = '#';
|
|
if (hash[0] === '#') {
|
|
hash = hash.slice(1);
|
|
}
|
|
parse.call(this, hash, 'fragment');
|
|
},
|
|
get origin() {
|
|
var host;
|
|
if (this._isInvalid || !this._scheme) {
|
|
return '';
|
|
}
|
|
switch (this._scheme) {
|
|
case 'data':
|
|
case 'file':
|
|
case 'javascript':
|
|
case 'mailto':
|
|
return 'null';
|
|
}
|
|
host = this.host;
|
|
if (!host) {
|
|
return '';
|
|
}
|
|
return this._scheme + '://' + host;
|
|
}
|
|
};
|
|
var OriginalURL = scope.URL;
|
|
if (OriginalURL) {
|
|
JURL.createObjectURL = function (blob) {
|
|
return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
|
|
};
|
|
JURL.revokeObjectURL = function (url) {
|
|
OriginalURL.revokeObjectURL(url);
|
|
};
|
|
}
|
|
scope.URL = JURL;
|
|
}(globalScope));
|
|
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
|
|
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
|
|
exports.OPS = OPS;
|
|
exports.VERBOSITY_LEVELS = VERBOSITY_LEVELS;
|
|
exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
|
|
exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
|
|
exports.AnnotationFieldFlag = AnnotationFieldFlag;
|
|
exports.AnnotationFlag = AnnotationFlag;
|
|
exports.AnnotationType = AnnotationType;
|
|
exports.FontType = FontType;
|
|
exports.ImageKind = ImageKind;
|
|
exports.InvalidPDFException = InvalidPDFException;
|
|
exports.MessageHandler = MessageHandler;
|
|
exports.MissingDataException = MissingDataException;
|
|
exports.MissingPDFException = MissingPDFException;
|
|
exports.NotImplementedException = NotImplementedException;
|
|
exports.PageViewport = PageViewport;
|
|
exports.PasswordException = PasswordException;
|
|
exports.PasswordResponses = PasswordResponses;
|
|
exports.StatTimer = StatTimer;
|
|
exports.StreamType = StreamType;
|
|
exports.TextRenderingMode = TextRenderingMode;
|
|
exports.UnexpectedResponseException = UnexpectedResponseException;
|
|
exports.UnknownErrorException = UnknownErrorException;
|
|
exports.Util = Util;
|
|
exports.XRefParseException = XRefParseException;
|
|
exports.arrayByteLength = arrayByteLength;
|
|
exports.arraysToBytes = arraysToBytes;
|
|
exports.assert = assert;
|
|
exports.bytesToString = bytesToString;
|
|
exports.createBlob = createBlob;
|
|
exports.createPromiseCapability = createPromiseCapability;
|
|
exports.createObjectURL = createObjectURL;
|
|
exports.deprecated = deprecated;
|
|
exports.error = error;
|
|
exports.getLookupTableFactory = getLookupTableFactory;
|
|
exports.getVerbosityLevel = getVerbosityLevel;
|
|
exports.globalScope = globalScope;
|
|
exports.info = info;
|
|
exports.isArray = isArray;
|
|
exports.isArrayBuffer = isArrayBuffer;
|
|
exports.isBool = isBool;
|
|
exports.isEmptyObj = isEmptyObj;
|
|
exports.isInt = isInt;
|
|
exports.isNum = isNum;
|
|
exports.isString = isString;
|
|
exports.isSpace = isSpace;
|
|
exports.isSameOrigin = isSameOrigin;
|
|
exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
|
|
exports.isLittleEndian = isLittleEndian;
|
|
exports.isEvalSupported = isEvalSupported;
|
|
exports.loadJpegStream = loadJpegStream;
|
|
exports.log2 = log2;
|
|
exports.readInt8 = readInt8;
|
|
exports.readUint16 = readUint16;
|
|
exports.readUint32 = readUint32;
|
|
exports.removeNullCharacters = removeNullCharacters;
|
|
exports.setVerbosityLevel = setVerbosityLevel;
|
|
exports.shadow = shadow;
|
|
exports.string32 = string32;
|
|
exports.stringToBytes = stringToBytes;
|
|
exports.stringToPDFString = stringToPDFString;
|
|
exports.stringToUTF8String = stringToUTF8String;
|
|
exports.utf8StringToString = utf8StringToString;
|
|
exports.warn = warn;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayDOMUtils = {}, root.pdfjsSharedUtil);
|
|
}(this, function (exports, sharedUtil) {
|
|
var removeNullCharacters = sharedUtil.removeNullCharacters;
|
|
var warn = sharedUtil.warn;
|
|
var deprecated = sharedUtil.deprecated;
|
|
var createValidAbsoluteUrl = sharedUtil.createValidAbsoluteUrl;
|
|
var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
|
|
var CustomStyle = function CustomStyleClosure() {
|
|
var prefixes = [
|
|
'ms',
|
|
'Moz',
|
|
'Webkit',
|
|
'O'
|
|
];
|
|
var _cache = Object.create(null);
|
|
function CustomStyle() {
|
|
}
|
|
CustomStyle.getProp = function get(propName, element) {
|
|
if (arguments.length === 1 && typeof _cache[propName] === 'string') {
|
|
return _cache[propName];
|
|
}
|
|
element = element || document.documentElement;
|
|
var style = element.style, prefixed, uPropName;
|
|
if (typeof style[propName] === 'string') {
|
|
return _cache[propName] = propName;
|
|
}
|
|
uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
|
|
for (var i = 0, l = prefixes.length; i < l; i++) {
|
|
prefixed = prefixes[i] + uPropName;
|
|
if (typeof style[prefixed] === 'string') {
|
|
return _cache[propName] = prefixed;
|
|
}
|
|
}
|
|
return _cache[propName] = 'undefined';
|
|
};
|
|
CustomStyle.setProp = function set(propName, element, str) {
|
|
var prop = this.getProp(propName);
|
|
if (prop !== 'undefined') {
|
|
element.style[prop] = str;
|
|
}
|
|
};
|
|
return CustomStyle;
|
|
}();
|
|
var hasCanvasTypedArrays;
|
|
hasCanvasTypedArrays = function hasCanvasTypedArrays() {
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = canvas.height = 1;
|
|
var ctx = canvas.getContext('2d');
|
|
var imageData = ctx.createImageData(1, 1);
|
|
return typeof imageData.data.buffer !== 'undefined';
|
|
};
|
|
var LinkTarget = {
|
|
NONE: 0,
|
|
SELF: 1,
|
|
BLANK: 2,
|
|
PARENT: 3,
|
|
TOP: 4
|
|
};
|
|
var LinkTargetStringMap = [
|
|
'',
|
|
'_self',
|
|
'_blank',
|
|
'_parent',
|
|
'_top'
|
|
];
|
|
function addLinkAttributes(link, params) {
|
|
var url = params && params.url;
|
|
link.href = link.title = url ? removeNullCharacters(url) : '';
|
|
if (url) {
|
|
var target = params.target;
|
|
if (typeof target === 'undefined') {
|
|
target = getDefaultSetting('externalLinkTarget');
|
|
}
|
|
link.target = LinkTargetStringMap[target];
|
|
var rel = params.rel;
|
|
if (typeof rel === 'undefined') {
|
|
rel = getDefaultSetting('externalLinkRel');
|
|
}
|
|
link.rel = rel;
|
|
}
|
|
}
|
|
function getFilenameFromUrl(url) {
|
|
var anchor = url.indexOf('#');
|
|
var query = url.indexOf('?');
|
|
var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
|
|
return url.substring(url.lastIndexOf('/', end) + 1, end);
|
|
}
|
|
function getDefaultSetting(id) {
|
|
var globalSettings = sharedUtil.globalScope.PDFJS;
|
|
switch (id) {
|
|
case 'pdfBug':
|
|
return globalSettings ? globalSettings.pdfBug : false;
|
|
case 'disableAutoFetch':
|
|
return globalSettings ? globalSettings.disableAutoFetch : false;
|
|
case 'disableStream':
|
|
return globalSettings ? globalSettings.disableStream : false;
|
|
case 'disableRange':
|
|
return globalSettings ? globalSettings.disableRange : false;
|
|
case 'disableFontFace':
|
|
return globalSettings ? globalSettings.disableFontFace : false;
|
|
case 'disableCreateObjectURL':
|
|
return globalSettings ? globalSettings.disableCreateObjectURL : false;
|
|
case 'disableWebGL':
|
|
return globalSettings ? globalSettings.disableWebGL : true;
|
|
case 'cMapUrl':
|
|
return globalSettings ? globalSettings.cMapUrl : null;
|
|
case 'cMapPacked':
|
|
return globalSettings ? globalSettings.cMapPacked : false;
|
|
case 'postMessageTransfers':
|
|
return globalSettings ? globalSettings.postMessageTransfers : true;
|
|
case 'workerSrc':
|
|
return globalSettings ? globalSettings.workerSrc : null;
|
|
case 'disableWorker':
|
|
return globalSettings ? globalSettings.disableWorker : false;
|
|
case 'maxImageSize':
|
|
return globalSettings ? globalSettings.maxImageSize : -1;
|
|
case 'imageResourcesPath':
|
|
return globalSettings ? globalSettings.imageResourcesPath : '';
|
|
case 'isEvalSupported':
|
|
return globalSettings ? globalSettings.isEvalSupported : true;
|
|
case 'externalLinkTarget':
|
|
if (!globalSettings) {
|
|
return LinkTarget.NONE;
|
|
}
|
|
switch (globalSettings.externalLinkTarget) {
|
|
case LinkTarget.NONE:
|
|
case LinkTarget.SELF:
|
|
case LinkTarget.BLANK:
|
|
case LinkTarget.PARENT:
|
|
case LinkTarget.TOP:
|
|
return globalSettings.externalLinkTarget;
|
|
}
|
|
warn('PDFJS.externalLinkTarget is invalid: ' + globalSettings.externalLinkTarget);
|
|
globalSettings.externalLinkTarget = LinkTarget.NONE;
|
|
return LinkTarget.NONE;
|
|
case 'externalLinkRel':
|
|
return globalSettings ? globalSettings.externalLinkRel : DEFAULT_LINK_REL;
|
|
case 'enableStats':
|
|
return !!(globalSettings && globalSettings.enableStats);
|
|
default:
|
|
throw new Error('Unknown default setting: ' + id);
|
|
}
|
|
}
|
|
function isExternalLinkTargetSet() {
|
|
var externalLinkTarget = getDefaultSetting('externalLinkTarget');
|
|
switch (externalLinkTarget) {
|
|
case LinkTarget.NONE:
|
|
return false;
|
|
case LinkTarget.SELF:
|
|
case LinkTarget.BLANK:
|
|
case LinkTarget.PARENT:
|
|
case LinkTarget.TOP:
|
|
return true;
|
|
}
|
|
}
|
|
function isValidUrl(url, allowRelative) {
|
|
deprecated('isValidUrl(), please use createValidAbsoluteUrl() instead.');
|
|
var baseUrl = allowRelative ? 'http://example.com' : null;
|
|
return createValidAbsoluteUrl(url, baseUrl) !== null;
|
|
}
|
|
exports.CustomStyle = CustomStyle;
|
|
exports.addLinkAttributes = addLinkAttributes;
|
|
exports.isExternalLinkTargetSet = isExternalLinkTargetSet;
|
|
exports.isValidUrl = isValidUrl;
|
|
exports.getFilenameFromUrl = getFilenameFromUrl;
|
|
exports.LinkTarget = LinkTarget;
|
|
exports.hasCanvasTypedArrays = hasCanvasTypedArrays;
|
|
exports.getDefaultSetting = getDefaultSetting;
|
|
exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayFontLoader = {}, root.pdfjsSharedUtil);
|
|
}(this, function (exports, sharedUtil) {
|
|
var assert = sharedUtil.assert;
|
|
var bytesToString = sharedUtil.bytesToString;
|
|
var string32 = sharedUtil.string32;
|
|
var shadow = sharedUtil.shadow;
|
|
var warn = sharedUtil.warn;
|
|
function FontLoader(docId) {
|
|
this.docId = docId;
|
|
this.styleElement = null;
|
|
this.nativeFontFaces = [];
|
|
this.loadTestFontId = 0;
|
|
this.loadingContext = {
|
|
requests: [],
|
|
nextRequestId: 0
|
|
};
|
|
}
|
|
FontLoader.prototype = {
|
|
insertRule: function fontLoaderInsertRule(rule) {
|
|
var styleElement = this.styleElement;
|
|
if (!styleElement) {
|
|
styleElement = this.styleElement = document.createElement('style');
|
|
styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
|
|
document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
|
|
}
|
|
var styleSheet = styleElement.sheet;
|
|
styleSheet.insertRule(rule, styleSheet.cssRules.length);
|
|
},
|
|
clear: function fontLoaderClear() {
|
|
var styleElement = this.styleElement;
|
|
if (styleElement) {
|
|
styleElement.parentNode.removeChild(styleElement);
|
|
styleElement = this.styleElement = null;
|
|
}
|
|
this.nativeFontFaces.forEach(function (nativeFontFace) {
|
|
document.fonts.delete(nativeFontFace);
|
|
});
|
|
this.nativeFontFaces.length = 0;
|
|
}
|
|
};
|
|
var getLoadTestFont = function () {
|
|
return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQAFQ' + 'AABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAAALwA' + 'AAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgAAAAGbm' + 'FtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1AAsD6AAA' + 'AADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD6AAAAAAD6A' + 'ABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACMAooCvAAAAeAA' + 'MQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4DIP84AFoDIQAAAA' + 'AAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAAAAEAAQAAAAEAAAAA' + 'AAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUAAQAAAAEAAAAAAAYAAQ' + 'AAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgABAAMAAQQJAAMAAgABAAMA' + 'AQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABYAAAAAAAAAwAAAAMAAAAcAA' + 'EAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAAAC7////TAAEAAAAAAAABBgAA' + 'AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAA' + 'AAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAAAAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgc' + 'A/gXBIwMAYuL+nz5tQXkD5j3CBLnEQACAQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWF' + 'hYWFhYWFhYAAABAQAADwACAQEEE/t3Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQA' + 'AAAAAAABAAAAAMmJbzEAAAAAzgTjFQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAg' + 'ABAAAAAAAAAAAD6AAAAAAAAA==');
|
|
};
|
|
Object.defineProperty(FontLoader.prototype, 'loadTestFont', {
|
|
get: function () {
|
|
return shadow(this, 'loadTestFont', getLoadTestFont());
|
|
},
|
|
configurable: true
|
|
});
|
|
FontLoader.prototype.addNativeFontFace = function fontLoader_addNativeFontFace(nativeFontFace) {
|
|
this.nativeFontFaces.push(nativeFontFace);
|
|
document.fonts.add(nativeFontFace);
|
|
};
|
|
FontLoader.prototype.bind = function fontLoaderBind(fonts, callback) {
|
|
var rules = [];
|
|
var fontsToLoad = [];
|
|
var fontLoadPromises = [];
|
|
var getNativeFontPromise = function (nativeFontFace) {
|
|
return nativeFontFace.loaded.catch(function (e) {
|
|
warn('Failed to load font "' + nativeFontFace.family + '": ' + e);
|
|
});
|
|
};
|
|
var isFontLoadingAPISupported = FontLoader.isFontLoadingAPISupported && !FontLoader.isSyncFontLoadingSupported;
|
|
for (var i = 0, ii = fonts.length; i < ii; i++) {
|
|
var font = fonts[i];
|
|
if (font.attached || font.loading === false) {
|
|
continue;
|
|
}
|
|
font.attached = true;
|
|
if (isFontLoadingAPISupported) {
|
|
var nativeFontFace = font.createNativeFontFace();
|
|
if (nativeFontFace) {
|
|
this.addNativeFontFace(nativeFontFace);
|
|
fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
|
|
}
|
|
} else {
|
|
var rule = font.createFontFaceRule();
|
|
if (rule) {
|
|
this.insertRule(rule);
|
|
rules.push(rule);
|
|
fontsToLoad.push(font);
|
|
}
|
|
}
|
|
}
|
|
var request = this.queueLoadingCallback(callback);
|
|
if (isFontLoadingAPISupported) {
|
|
Promise.all(fontLoadPromises).then(function () {
|
|
request.complete();
|
|
});
|
|
} else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
|
|
this.prepareFontLoadEvent(rules, fontsToLoad, request);
|
|
} else {
|
|
request.complete();
|
|
}
|
|
};
|
|
FontLoader.prototype.queueLoadingCallback = function FontLoader_queueLoadingCallback(callback) {
|
|
function LoadLoader_completeRequest() {
|
|
assert(!request.end, 'completeRequest() cannot be called twice');
|
|
request.end = Date.now();
|
|
while (context.requests.length > 0 && context.requests[0].end) {
|
|
var otherRequest = context.requests.shift();
|
|
setTimeout(otherRequest.callback, 0);
|
|
}
|
|
}
|
|
var context = this.loadingContext;
|
|
var requestId = 'pdfjs-font-loading-' + context.nextRequestId++;
|
|
var request = {
|
|
id: requestId,
|
|
complete: LoadLoader_completeRequest,
|
|
callback: callback,
|
|
started: Date.now()
|
|
};
|
|
context.requests.push(request);
|
|
return request;
|
|
};
|
|
FontLoader.prototype.prepareFontLoadEvent = function fontLoaderPrepareFontLoadEvent(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) {
|
|
var chunk1 = s.substr(0, offset);
|
|
var chunk2 = s.substr(offset + remove);
|
|
return chunk1 + insert + chunk2;
|
|
}
|
|
var i, ii;
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = 1;
|
|
canvas.height = 1;
|
|
var ctx = canvas.getContext('2d');
|
|
var called = 0;
|
|
function isFontReady(name, callback) {
|
|
called++;
|
|
if (called > 30) {
|
|
warn('Load test font never loaded.');
|
|
callback();
|
|
return;
|
|
}
|
|
ctx.font = '30px ' + name;
|
|
ctx.fillText('.', 0, 20);
|
|
var imageData = ctx.getImageData(0, 0, 1, 1);
|
|
if (imageData.data[3] > 0) {
|
|
callback();
|
|
return;
|
|
}
|
|
setTimeout(isFontReady.bind(null, name, callback));
|
|
}
|
|
var loadTestFontId = 'lt' + Date.now() + this.loadTestFontId++;
|
|
var data = this.loadTestFont;
|
|
var COMMENT_OFFSET = 976;
|
|
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
|
|
var CFF_CHECKSUM_OFFSET = 16;
|
|
var XXXX_VALUE = 0x58585858;
|
|
var checksum = int32(data, CFF_CHECKSUM_OFFSET);
|
|
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
|
|
}
|
|
if (i < loadTestFontId.length) {
|
|
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
|
|
}
|
|
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
|
|
var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
|
|
var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + url + '}';
|
|
this.insertRule(rule);
|
|
var names = [];
|
|
for (i = 0, ii = fonts.length; i < ii; i++) {
|
|
names.push(fonts[i].loadedName);
|
|
}
|
|
names.push(loadTestFontId);
|
|
var div = document.createElement('div');
|
|
div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
|
|
for (i = 0, ii = names.length; i < ii; ++i) {
|
|
var span = document.createElement('span');
|
|
span.textContent = 'Hi';
|
|
span.style.fontFamily = names[i];
|
|
div.appendChild(span);
|
|
}
|
|
document.body.appendChild(div);
|
|
isFontReady(loadTestFontId, function () {
|
|
document.body.removeChild(div);
|
|
request.complete();
|
|
});
|
|
};
|
|
FontLoader.isFontLoadingAPISupported = typeof document !== 'undefined' && !!document.fonts;
|
|
var isSyncFontLoadingSupported = function isSyncFontLoadingSupported() {
|
|
if (typeof navigator === 'undefined') {
|
|
return true;
|
|
}
|
|
var supported = false;
|
|
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
|
|
if (m && m[1] >= 14) {
|
|
supported = true;
|
|
}
|
|
return supported;
|
|
};
|
|
Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
|
|
get: function () {
|
|
return shadow(FontLoader, 'isSyncFontLoadingSupported', isSyncFontLoadingSupported());
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
var IsEvalSupportedCached = {
|
|
get value() {
|
|
return shadow(this, 'value', sharedUtil.isEvalSupported());
|
|
}
|
|
};
|
|
var FontFaceObject = function FontFaceObjectClosure() {
|
|
function FontFaceObject(translatedData, options) {
|
|
this.compiledGlyphs = Object.create(null);
|
|
for (var i in translatedData) {
|
|
this[i] = translatedData[i];
|
|
}
|
|
this.options = options;
|
|
}
|
|
FontFaceObject.prototype = {
|
|
createNativeFontFace: function FontFaceObject_createNativeFontFace() {
|
|
if (!this.data) {
|
|
return null;
|
|
}
|
|
if (this.options.disableFontFace) {
|
|
this.disableFontFace = true;
|
|
return null;
|
|
}
|
|
var nativeFontFace = new FontFace(this.loadedName, this.data, {});
|
|
if (this.options.fontRegistry) {
|
|
this.options.fontRegistry.registerFont(this);
|
|
}
|
|
return nativeFontFace;
|
|
},
|
|
createFontFaceRule: function FontFaceObject_createFontFaceRule() {
|
|
if (!this.data) {
|
|
return null;
|
|
}
|
|
if (this.options.disableFontFace) {
|
|
this.disableFontFace = true;
|
|
return null;
|
|
}
|
|
var data = bytesToString(new Uint8Array(this.data));
|
|
var fontName = this.loadedName;
|
|
var url = 'url(data:' + this.mimetype + ';base64,' + btoa(data) + ');';
|
|
var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
|
|
if (this.options.fontRegistry) {
|
|
this.options.fontRegistry.registerFont(this, url);
|
|
}
|
|
return rule;
|
|
},
|
|
getPathGenerator: function FontFaceObject_getPathGenerator(objs, character) {
|
|
if (!(character in this.compiledGlyphs)) {
|
|
var cmds = objs.get(this.loadedName + '_path_' + character);
|
|
var current, i, len;
|
|
if (this.options.isEvalSupported && IsEvalSupportedCached.value) {
|
|
var args, js = '';
|
|
for (i = 0, len = cmds.length; i < len; i++) {
|
|
current = cmds[i];
|
|
if (current.args !== undefined) {
|
|
args = current.args.join(',');
|
|
} else {
|
|
args = '';
|
|
}
|
|
js += 'c.' + current.cmd + '(' + args + ');\n';
|
|
}
|
|
this.compiledGlyphs[character] = new Function('c', 'size', js);
|
|
} else {
|
|
this.compiledGlyphs[character] = function (c, size) {
|
|
for (i = 0, len = cmds.length; i < len; i++) {
|
|
current = cmds[i];
|
|
if (current.cmd === 'scale') {
|
|
current.args = [
|
|
size,
|
|
-size
|
|
];
|
|
}
|
|
c[current.cmd].apply(c, current.args);
|
|
}
|
|
};
|
|
}
|
|
}
|
|
return this.compiledGlyphs[character];
|
|
}
|
|
};
|
|
return FontFaceObject;
|
|
}();
|
|
exports.FontFaceObject = FontFaceObject;
|
|
exports.FontLoader = FontLoader;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayMetadata = {}, root.pdfjsSharedUtil);
|
|
}(this, function (exports, sharedUtil) {
|
|
var error = sharedUtil.error;
|
|
function fixMetadata(meta) {
|
|
return meta.replace(/>\\376\\377([^<]+)/g, function (all, codes) {
|
|
var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
|
|
return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
|
|
});
|
|
var chars = '';
|
|
for (var i = 0; i < bytes.length; i += 2) {
|
|
var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
|
|
chars += code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38 ? String.fromCharCode(code) : '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
|
|
}
|
|
return '>' + chars;
|
|
});
|
|
}
|
|
function Metadata(meta) {
|
|
if (typeof meta === 'string') {
|
|
meta = fixMetadata(meta);
|
|
var parser = new DOMParser();
|
|
meta = parser.parseFromString(meta, 'application/xml');
|
|
} else if (!(meta instanceof Document)) {
|
|
error('Metadata: Invalid metadata object');
|
|
}
|
|
this.metaDocument = meta;
|
|
this.metadata = Object.create(null);
|
|
this.parse();
|
|
}
|
|
Metadata.prototype = {
|
|
parse: function Metadata_parse() {
|
|
var doc = this.metaDocument;
|
|
var rdf = doc.documentElement;
|
|
if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
|
|
rdf = rdf.firstChild;
|
|
while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
|
|
rdf = rdf.nextSibling;
|
|
}
|
|
}
|
|
var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
|
|
if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
|
|
return;
|
|
}
|
|
var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
|
|
for (i = 0, length = children.length; i < length; i++) {
|
|
desc = children[i];
|
|
if (desc.nodeName.toLowerCase() !== 'rdf:description') {
|
|
continue;
|
|
}
|
|
for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
|
|
if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
|
|
entry = desc.childNodes[ii];
|
|
name = entry.nodeName.toLowerCase();
|
|
this.metadata[name] = entry.textContent.trim();
|
|
}
|
|
}
|
|
}
|
|
},
|
|
get: function Metadata_get(name) {
|
|
return this.metadata[name] || null;
|
|
},
|
|
has: function Metadata_has(name) {
|
|
return typeof this.metadata[name] !== 'undefined';
|
|
}
|
|
};
|
|
exports.Metadata = Metadata;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplaySVG = {}, root.pdfjsSharedUtil);
|
|
}(this, function (exports, sharedUtil) {
|
|
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
|
|
var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
|
|
var ImageKind = sharedUtil.ImageKind;
|
|
var OPS = sharedUtil.OPS;
|
|
var Util = sharedUtil.Util;
|
|
var isNum = sharedUtil.isNum;
|
|
var isArray = sharedUtil.isArray;
|
|
var warn = sharedUtil.warn;
|
|
var createObjectURL = sharedUtil.createObjectURL;
|
|
var SVG_DEFAULTS = {
|
|
fontStyle: 'normal',
|
|
fontWeight: 'normal',
|
|
fillColor: '#000000'
|
|
};
|
|
var convertImgDataToPng = function convertImgDataToPngClosure() {
|
|
var PNG_HEADER = new Uint8Array([
|
|
0x89,
|
|
0x50,
|
|
0x4e,
|
|
0x47,
|
|
0x0d,
|
|
0x0a,
|
|
0x1a,
|
|
0x0a
|
|
]);
|
|
var CHUNK_WRAPPER_SIZE = 12;
|
|
var crcTable = new Int32Array(256);
|
|
for (var i = 0; i < 256; i++) {
|
|
var c = i;
|
|
for (var h = 0; h < 8; h++) {
|
|
if (c & 1) {
|
|
c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
|
|
} else {
|
|
c = c >> 1 & 0x7fffffff;
|
|
}
|
|
}
|
|
crcTable[i] = c;
|
|
}
|
|
function crc32(data, start, end) {
|
|
var crc = -1;
|
|
for (var i = start; i < end; i++) {
|
|
var a = (crc ^ data[i]) & 0xff;
|
|
var b = crcTable[a];
|
|
crc = crc >>> 8 ^ b;
|
|
}
|
|
return crc ^ -1;
|
|
}
|
|
function writePngChunk(type, body, data, offset) {
|
|
var p = offset;
|
|
var len = body.length;
|
|
data[p] = len >> 24 & 0xff;
|
|
data[p + 1] = len >> 16 & 0xff;
|
|
data[p + 2] = len >> 8 & 0xff;
|
|
data[p + 3] = len & 0xff;
|
|
p += 4;
|
|
data[p] = type.charCodeAt(0) & 0xff;
|
|
data[p + 1] = type.charCodeAt(1) & 0xff;
|
|
data[p + 2] = type.charCodeAt(2) & 0xff;
|
|
data[p + 3] = type.charCodeAt(3) & 0xff;
|
|
p += 4;
|
|
data.set(body, p);
|
|
p += body.length;
|
|
var crc = crc32(data, offset + 4, p);
|
|
data[p] = crc >> 24 & 0xff;
|
|
data[p + 1] = crc >> 16 & 0xff;
|
|
data[p + 2] = crc >> 8 & 0xff;
|
|
data[p + 3] = crc & 0xff;
|
|
}
|
|
function adler32(data, start, end) {
|
|
var a = 1;
|
|
var b = 0;
|
|
for (var i = start; i < end; ++i) {
|
|
a = (a + (data[i] & 0xff)) % 65521;
|
|
b = (b + a) % 65521;
|
|
}
|
|
return b << 16 | a;
|
|
}
|
|
function encode(imgData, kind, forceDataSchema) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var bitDepth, colorType, lineSize;
|
|
var bytes = imgData.data;
|
|
switch (kind) {
|
|
case ImageKind.GRAYSCALE_1BPP:
|
|
colorType = 0;
|
|
bitDepth = 1;
|
|
lineSize = width + 7 >> 3;
|
|
break;
|
|
case ImageKind.RGB_24BPP:
|
|
colorType = 2;
|
|
bitDepth = 8;
|
|
lineSize = width * 3;
|
|
break;
|
|
case ImageKind.RGBA_32BPP:
|
|
colorType = 6;
|
|
bitDepth = 8;
|
|
lineSize = width * 4;
|
|
break;
|
|
default:
|
|
throw new Error('invalid format');
|
|
}
|
|
var literals = new Uint8Array((1 + lineSize) * height);
|
|
var offsetLiterals = 0, offsetBytes = 0;
|
|
var y, i;
|
|
for (y = 0; y < height; ++y) {
|
|
literals[offsetLiterals++] = 0;
|
|
literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
|
|
offsetBytes += lineSize;
|
|
offsetLiterals += lineSize;
|
|
}
|
|
if (kind === ImageKind.GRAYSCALE_1BPP) {
|
|
offsetLiterals = 0;
|
|
for (y = 0; y < height; y++) {
|
|
offsetLiterals++;
|
|
for (i = 0; i < lineSize; i++) {
|
|
literals[offsetLiterals++] ^= 0xFF;
|
|
}
|
|
}
|
|
}
|
|
var ihdr = new Uint8Array([
|
|
width >> 24 & 0xff,
|
|
width >> 16 & 0xff,
|
|
width >> 8 & 0xff,
|
|
width & 0xff,
|
|
height >> 24 & 0xff,
|
|
height >> 16 & 0xff,
|
|
height >> 8 & 0xff,
|
|
height & 0xff,
|
|
bitDepth,
|
|
colorType,
|
|
0x00,
|
|
0x00,
|
|
0x00
|
|
]);
|
|
var len = literals.length;
|
|
var maxBlockLength = 0xFFFF;
|
|
var deflateBlocks = Math.ceil(len / maxBlockLength);
|
|
var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
|
|
var pi = 0;
|
|
idat[pi++] = 0x78;
|
|
idat[pi++] = 0x9c;
|
|
var 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;
|
|
var 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;
|
|
var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
|
|
var data = new Uint8Array(pngLength);
|
|
var offset = 0;
|
|
data.set(PNG_HEADER, offset);
|
|
offset += PNG_HEADER.length;
|
|
writePngChunk('IHDR', ihdr, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + ihdr.length;
|
|
writePngChunk('IDATA', idat, data, offset);
|
|
offset += CHUNK_WRAPPER_SIZE + idat.length;
|
|
writePngChunk('IEND', new Uint8Array(0), data, offset);
|
|
return createObjectURL(data, 'image/png', forceDataSchema);
|
|
}
|
|
return function convertImgDataToPng(imgData, forceDataSchema) {
|
|
var kind = imgData.kind === undefined ? ImageKind.GRAYSCALE_1BPP : imgData.kind;
|
|
return encode(imgData, kind, forceDataSchema);
|
|
};
|
|
}();
|
|
var SVGExtraState = function SVGExtraStateClosure() {
|
|
function SVGExtraState() {
|
|
this.fontSizeScale = 1;
|
|
this.fontWeight = SVG_DEFAULTS.fontWeight;
|
|
this.fontSize = 0;
|
|
this.textMatrix = IDENTITY_MATRIX;
|
|
this.fontMatrix = FONT_IDENTITY_MATRIX;
|
|
this.leading = 0;
|
|
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 = '';
|
|
}
|
|
SVGExtraState.prototype = {
|
|
clone: function SVGExtraState_clone() {
|
|
return Object.create(this);
|
|
},
|
|
setCurrentPoint: function SVGExtraState_setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
};
|
|
return SVGExtraState;
|
|
}();
|
|
var SVGGraphics = function SVGGraphicsClosure() {
|
|
function opListToTree(opList) {
|
|
var opTree = [];
|
|
var tmp = [];
|
|
var opListLen = opList.length;
|
|
for (var x = 0; x < opListLen; x++) {
|
|
if (opList[x].fn === 'save') {
|
|
opTree.push({
|
|
'fnId': 92,
|
|
'fn': 'group',
|
|
'items': []
|
|
});
|
|
tmp.push(opTree);
|
|
opTree = opTree[opTree.length - 1].items;
|
|
continue;
|
|
}
|
|
if (opList[x].fn === 'restore') {
|
|
opTree = tmp.pop();
|
|
} else {
|
|
opTree.push(opList[x]);
|
|
}
|
|
}
|
|
return opTree;
|
|
}
|
|
function pf(value) {
|
|
if (value === (value | 0)) {
|
|
return value.toString();
|
|
}
|
|
var s = value.toFixed(10);
|
|
var i = s.length - 1;
|
|
if (s[i] !== '0') {
|
|
return s;
|
|
}
|
|
do {
|
|
i--;
|
|
} while (s[i] === '0');
|
|
return s.substr(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]) {
|
|
var a = Math.acos(m[0]) * 180 / Math.PI;
|
|
return 'rotate(' + pf(a) + ')';
|
|
}
|
|
} else {
|
|
if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
|
|
return 'translate(' + pf(m[4]) + ' ' + pf(m[5]) + ')';
|
|
}
|
|
}
|
|
return 'matrix(' + pf(m[0]) + ' ' + pf(m[1]) + ' ' + pf(m[2]) + ' ' + pf(m[3]) + ' ' + pf(m[4]) + ' ' + pf(m[5]) + ')';
|
|
}
|
|
function SVGGraphics(commonObjs, objs, forceDataSchema) {
|
|
this.current = new SVGExtraState();
|
|
this.transformMatrix = IDENTITY_MATRIX;
|
|
this.transformStack = [];
|
|
this.extraStack = [];
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.pendingEOFill = false;
|
|
this.embedFonts = false;
|
|
this.embeddedFonts = Object.create(null);
|
|
this.cssStyle = null;
|
|
this.forceDataSchema = !!forceDataSchema;
|
|
}
|
|
var NS = 'http://www.w3.org/2000/svg';
|
|
var XML_NS = 'http://www.w3.org/XML/1998/namespace';
|
|
var XLINK_NS = 'http://www.w3.org/1999/xlink';
|
|
var LINE_CAP_STYLES = [
|
|
'butt',
|
|
'round',
|
|
'square'
|
|
];
|
|
var LINE_JOIN_STYLES = [
|
|
'miter',
|
|
'round',
|
|
'bevel'
|
|
];
|
|
var clipCount = 0;
|
|
var maskCount = 0;
|
|
SVGGraphics.prototype = {
|
|
save: function SVGGraphics_save() {
|
|
this.transformStack.push(this.transformMatrix);
|
|
var old = this.current;
|
|
this.extraStack.push(old);
|
|
this.current = old.clone();
|
|
},
|
|
restore: function SVGGraphics_restore() {
|
|
this.transformMatrix = this.transformStack.pop();
|
|
this.current = this.extraStack.pop();
|
|
this.tgrp = null;
|
|
},
|
|
group: function SVGGraphics_group(items) {
|
|
this.save();
|
|
this.executeOpTree(items);
|
|
this.restore();
|
|
},
|
|
loadDependencies: function SVGGraphics_loadDependencies(operatorList) {
|
|
var fnArray = operatorList.fnArray;
|
|
var fnArrayLen = fnArray.length;
|
|
var argsArray = operatorList.argsArray;
|
|
var self = this;
|
|
for (var i = 0; i < fnArrayLen; i++) {
|
|
if (OPS.dependency === fnArray[i]) {
|
|
var deps = argsArray[i];
|
|
for (var n = 0, nn = deps.length; n < nn; n++) {
|
|
var obj = deps[n];
|
|
var common = obj.substring(0, 2) === 'g_';
|
|
var promise;
|
|
if (common) {
|
|
promise = new Promise(function (resolve) {
|
|
self.commonObjs.get(obj, resolve);
|
|
});
|
|
} else {
|
|
promise = new Promise(function (resolve) {
|
|
self.objs.get(obj, resolve);
|
|
});
|
|
}
|
|
this.current.dependencies.push(promise);
|
|
}
|
|
}
|
|
}
|
|
return Promise.all(this.current.dependencies);
|
|
},
|
|
transform: function SVGGraphics_transform(a, b, c, d, e, f) {
|
|
var transformMatrix = [
|
|
a,
|
|
b,
|
|
c,
|
|
d,
|
|
e,
|
|
f
|
|
];
|
|
this.transformMatrix = Util.transform(this.transformMatrix, transformMatrix);
|
|
this.tgrp = null;
|
|
},
|
|
getSVG: function SVGGraphics_getSVG(operatorList, viewport) {
|
|
this.viewport = viewport;
|
|
var svgElement = this._initialize(viewport);
|
|
return this.loadDependencies(operatorList).then(function () {
|
|
this.transformMatrix = IDENTITY_MATRIX;
|
|
var opTree = this.convertOpList(operatorList);
|
|
this.executeOpTree(opTree);
|
|
return svgElement;
|
|
}.bind(this));
|
|
},
|
|
convertOpList: function SVGGraphics_convertOpList(operatorList) {
|
|
var argsArray = operatorList.argsArray;
|
|
var fnArray = operatorList.fnArray;
|
|
var fnArrayLen = fnArray.length;
|
|
var REVOPS = [];
|
|
var opList = [];
|
|
for (var op in OPS) {
|
|
REVOPS[OPS[op]] = op;
|
|
}
|
|
for (var x = 0; x < fnArrayLen; x++) {
|
|
var fnId = fnArray[x];
|
|
opList.push({
|
|
'fnId': fnId,
|
|
'fn': REVOPS[fnId],
|
|
'args': argsArray[x]
|
|
});
|
|
}
|
|
return opListToTree(opList);
|
|
},
|
|
executeOpTree: function SVGGraphics_executeOpTree(opTree) {
|
|
var opTreeLen = opTree.length;
|
|
for (var x = 0; x < opTreeLen; x++) {
|
|
var fn = opTree[x].fn;
|
|
var fnId = opTree[x].fnId;
|
|
var args = opTree[x].args;
|
|
switch (fnId | 0) {
|
|
case OPS.beginText:
|
|
this.beginText();
|
|
break;
|
|
case OPS.setLeading:
|
|
this.setLeading(args);
|
|
break;
|
|
case OPS.setLeadingMoveText:
|
|
this.setLeadingMoveText(args[0], args[1]);
|
|
break;
|
|
case OPS.setFont:
|
|
this.setFont(args);
|
|
break;
|
|
case OPS.showText:
|
|
this.showText(args[0]);
|
|
break;
|
|
case OPS.showSpacedText:
|
|
this.showText(args[0]);
|
|
break;
|
|
case OPS.endText:
|
|
this.endText();
|
|
break;
|
|
case OPS.moveText:
|
|
this.moveText(args[0], args[1]);
|
|
break;
|
|
case OPS.setCharSpacing:
|
|
this.setCharSpacing(args[0]);
|
|
break;
|
|
case OPS.setWordSpacing:
|
|
this.setWordSpacing(args[0]);
|
|
break;
|
|
case OPS.setHScale:
|
|
this.setHScale(args[0]);
|
|
break;
|
|
case OPS.setTextMatrix:
|
|
this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
case OPS.setLineWidth:
|
|
this.setLineWidth(args[0]);
|
|
break;
|
|
case OPS.setLineJoin:
|
|
this.setLineJoin(args[0]);
|
|
break;
|
|
case OPS.setLineCap:
|
|
this.setLineCap(args[0]);
|
|
break;
|
|
case OPS.setMiterLimit:
|
|
this.setMiterLimit(args[0]);
|
|
break;
|
|
case OPS.setFillRGBColor:
|
|
this.setFillRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
case OPS.setStrokeRGBColor:
|
|
this.setStrokeRGBColor(args[0], args[1], args[2]);
|
|
break;
|
|
case OPS.setDash:
|
|
this.setDash(args[0], args[1]);
|
|
break;
|
|
case OPS.setGState:
|
|
this.setGState(args[0]);
|
|
break;
|
|
case OPS.fill:
|
|
this.fill();
|
|
break;
|
|
case OPS.eoFill:
|
|
this.eoFill();
|
|
break;
|
|
case OPS.stroke:
|
|
this.stroke();
|
|
break;
|
|
case OPS.fillStroke:
|
|
this.fillStroke();
|
|
break;
|
|
case OPS.eoFillStroke:
|
|
this.eoFillStroke();
|
|
break;
|
|
case OPS.clip:
|
|
this.clip('nonzero');
|
|
break;
|
|
case OPS.eoClip:
|
|
this.clip('evenodd');
|
|
break;
|
|
case OPS.paintSolidColorImageMask:
|
|
this.paintSolidColorImageMask();
|
|
break;
|
|
case OPS.paintJpegXObject:
|
|
this.paintJpegXObject(args[0], args[1], args[2]);
|
|
break;
|
|
case OPS.paintImageXObject:
|
|
this.paintImageXObject(args[0]);
|
|
break;
|
|
case OPS.paintInlineImageXObject:
|
|
this.paintInlineImageXObject(args[0]);
|
|
break;
|
|
case OPS.paintImageMaskXObject:
|
|
this.paintImageMaskXObject(args[0]);
|
|
break;
|
|
case OPS.paintFormXObjectBegin:
|
|
this.paintFormXObjectBegin(args[0], args[1]);
|
|
break;
|
|
case OPS.paintFormXObjectEnd:
|
|
this.paintFormXObjectEnd();
|
|
break;
|
|
case OPS.closePath:
|
|
this.closePath();
|
|
break;
|
|
case OPS.closeStroke:
|
|
this.closeStroke();
|
|
break;
|
|
case OPS.closeFillStroke:
|
|
this.closeFillStroke();
|
|
break;
|
|
case OPS.nextLine:
|
|
this.nextLine();
|
|
break;
|
|
case OPS.transform:
|
|
this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
|
|
break;
|
|
case OPS.constructPath:
|
|
this.constructPath(args[0], args[1]);
|
|
break;
|
|
case OPS.endPath:
|
|
this.endPath();
|
|
break;
|
|
case 92:
|
|
this.group(opTree[x].items);
|
|
break;
|
|
default:
|
|
warn('Unimplemented operator ' + fn);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
setWordSpacing: function SVGGraphics_setWordSpacing(wordSpacing) {
|
|
this.current.wordSpacing = wordSpacing;
|
|
},
|
|
setCharSpacing: function SVGGraphics_setCharSpacing(charSpacing) {
|
|
this.current.charSpacing = charSpacing;
|
|
},
|
|
nextLine: function SVGGraphics_nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
},
|
|
setTextMatrix: function SVGGraphics_setTextMatrix(a, b, c, d, e, f) {
|
|
var current = this.current;
|
|
this.current.textMatrix = this.current.lineMatrix = [
|
|
a,
|
|
b,
|
|
c,
|
|
d,
|
|
e,
|
|
f
|
|
];
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
current.xcoords = [];
|
|
current.tspan = document.createElementNS(NS, 'svg:tspan');
|
|
current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
|
|
current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
|
|
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
|
|
current.txtElement = document.createElementNS(NS, 'svg:text');
|
|
current.txtElement.appendChild(current.tspan);
|
|
},
|
|
beginText: function SVGGraphics_beginText() {
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
this.current.textMatrix = IDENTITY_MATRIX;
|
|
this.current.lineMatrix = IDENTITY_MATRIX;
|
|
this.current.tspan = document.createElementNS(NS, 'svg:tspan');
|
|
this.current.txtElement = document.createElementNS(NS, 'svg:text');
|
|
this.current.txtgrp = document.createElementNS(NS, 'svg:g');
|
|
this.current.xcoords = [];
|
|
},
|
|
moveText: function SVGGraphics_moveText(x, y) {
|
|
var current = this.current;
|
|
this.current.x = this.current.lineX += x;
|
|
this.current.y = this.current.lineY += y;
|
|
current.xcoords = [];
|
|
current.tspan = document.createElementNS(NS, 'svg:tspan');
|
|
current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
|
|
current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
|
|
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
|
|
},
|
|
showText: function SVGGraphics_showText(glyphs) {
|
|
var current = this.current;
|
|
var font = current.font;
|
|
var fontSize = current.fontSize;
|
|
if (fontSize === 0) {
|
|
return;
|
|
}
|
|
var charSpacing = current.charSpacing;
|
|
var wordSpacing = current.wordSpacing;
|
|
var fontDirection = current.fontDirection;
|
|
var textHScale = current.textHScale * fontDirection;
|
|
var glyphsLength = glyphs.length;
|
|
var vertical = font.vertical;
|
|
var widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
var x = 0, i;
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
var glyph = glyphs[i];
|
|
if (glyph === null) {
|
|
x += fontDirection * wordSpacing;
|
|
continue;
|
|
} else if (isNum(glyph)) {
|
|
x += -glyph * fontSize * 0.001;
|
|
continue;
|
|
}
|
|
current.xcoords.push(current.x + x * textHScale);
|
|
var width = glyph.width;
|
|
var character = glyph.fontChar;
|
|
var charWidth = width * widthAdvanceScale + charSpacing * fontDirection;
|
|
x += charWidth;
|
|
current.tspan.textContent += character;
|
|
}
|
|
if (vertical) {
|
|
current.y -= x * textHScale;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
|
|
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
|
|
current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
|
|
current.tspan.setAttributeNS(null, 'font-size', pf(current.fontSize) + 'px');
|
|
if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
|
|
current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
|
|
}
|
|
if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
|
|
current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
|
|
}
|
|
if (current.fillColor !== SVG_DEFAULTS.fillColor) {
|
|
current.tspan.setAttributeNS(null, 'fill', current.fillColor);
|
|
}
|
|
current.txtElement.setAttributeNS(null, 'transform', pm(current.textMatrix) + ' scale(1, -1)');
|
|
current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
|
|
current.txtElement.appendChild(current.tspan);
|
|
current.txtgrp.appendChild(current.txtElement);
|
|
this._ensureTransformGroup().appendChild(current.txtElement);
|
|
},
|
|
setLeadingMoveText: function SVGGraphics_setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
},
|
|
addFontStyle: function SVGGraphics_addFontStyle(fontObj) {
|
|
if (!this.cssStyle) {
|
|
this.cssStyle = document.createElementNS(NS, 'svg:style');
|
|
this.cssStyle.setAttributeNS(null, 'type', 'text/css');
|
|
this.defs.appendChild(this.cssStyle);
|
|
}
|
|
var url = createObjectURL(fontObj.data, fontObj.mimetype, this.forceDataSchema);
|
|
this.cssStyle.textContent += '@font-face { font-family: "' + fontObj.loadedName + '";' + ' src: url(' + url + '); }\n';
|
|
},
|
|
setFont: function SVGGraphics_setFont(details) {
|
|
var current = this.current;
|
|
var fontObj = this.commonObjs.get(details[0]);
|
|
var size = details[1];
|
|
this.current.font = fontObj;
|
|
if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
|
|
this.addFontStyle(fontObj);
|
|
this.embeddedFonts[fontObj.loadedName] = fontObj;
|
|
}
|
|
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
|
|
var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
|
|
var italic = fontObj.italic ? 'italic' : 'normal';
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
current.fontSize = size;
|
|
current.fontFamily = fontObj.loadedName;
|
|
current.fontWeight = bold;
|
|
current.fontStyle = italic;
|
|
current.tspan = document.createElementNS(NS, 'svg:tspan');
|
|
current.tspan.setAttributeNS(null, 'y', pf(-current.y));
|
|
current.xcoords = [];
|
|
},
|
|
endText: function SVGGraphics_endText() {
|
|
},
|
|
setLineWidth: function SVGGraphics_setLineWidth(width) {
|
|
this.current.lineWidth = width;
|
|
},
|
|
setLineCap: function SVGGraphics_setLineCap(style) {
|
|
this.current.lineCap = LINE_CAP_STYLES[style];
|
|
},
|
|
setLineJoin: function SVGGraphics_setLineJoin(style) {
|
|
this.current.lineJoin = LINE_JOIN_STYLES[style];
|
|
},
|
|
setMiterLimit: function SVGGraphics_setMiterLimit(limit) {
|
|
this.current.miterLimit = limit;
|
|
},
|
|
setStrokeRGBColor: function SVGGraphics_setStrokeRGBColor(r, g, b) {
|
|
var color = Util.makeCssRgb(r, g, b);
|
|
this.current.strokeColor = color;
|
|
},
|
|
setFillRGBColor: function SVGGraphics_setFillRGBColor(r, g, b) {
|
|
var color = Util.makeCssRgb(r, g, b);
|
|
this.current.fillColor = color;
|
|
this.current.tspan = document.createElementNS(NS, 'svg:tspan');
|
|
this.current.xcoords = [];
|
|
},
|
|
setDash: function SVGGraphics_setDash(dashArray, dashPhase) {
|
|
this.current.dashArray = dashArray;
|
|
this.current.dashPhase = dashPhase;
|
|
},
|
|
constructPath: function SVGGraphics_constructPath(ops, args) {
|
|
var current = this.current;
|
|
var x = current.x, y = current.y;
|
|
current.path = document.createElementNS(NS, 'svg:path');
|
|
var d = [];
|
|
var opLength = ops.length;
|
|
for (var i = 0, j = 0; i < opLength; i++) {
|
|
switch (ops[i] | 0) {
|
|
case OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
var width = args[j++];
|
|
var height = args[j++];
|
|
var xw = x + width;
|
|
var yh = y + height;
|
|
d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
|
|
break;
|
|
case OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push('M', pf(x), pf(y));
|
|
break;
|
|
case OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
d.push('L', pf(x), pf(y));
|
|
break;
|
|
case OPS.curveTo:
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
|
|
j += 6;
|
|
break;
|
|
case OPS.curveTo2:
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
|
|
j += 4;
|
|
break;
|
|
case OPS.curveTo3:
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
|
|
j += 4;
|
|
break;
|
|
case OPS.closePath:
|
|
d.push('Z');
|
|
break;
|
|
}
|
|
}
|
|
current.path.setAttributeNS(null, 'd', d.join(' '));
|
|
current.path.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
|
|
current.path.setAttributeNS(null, 'stroke-linecap', current.lineCap);
|
|
current.path.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
|
|
current.path.setAttributeNS(null, 'stroke-width', pf(current.lineWidth) + 'px');
|
|
current.path.setAttributeNS(null, 'stroke-dasharray', current.dashArray.map(pf).join(' '));
|
|
current.path.setAttributeNS(null, 'stroke-dashoffset', pf(current.dashPhase) + 'px');
|
|
current.path.setAttributeNS(null, 'fill', 'none');
|
|
this._ensureTransformGroup().appendChild(current.path);
|
|
current.element = current.path;
|
|
current.setCurrentPoint(x, y);
|
|
},
|
|
endPath: function SVGGraphics_endPath() {
|
|
},
|
|
clip: function SVGGraphics_clip(type) {
|
|
var current = this.current;
|
|
var clipId = 'clippath' + clipCount;
|
|
clipCount++;
|
|
var clipPath = document.createElementNS(NS, 'svg:clipPath');
|
|
clipPath.setAttributeNS(null, 'id', clipId);
|
|
clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
|
|
var clipElement = current.element.cloneNode();
|
|
if (type === 'evenodd') {
|
|
clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
|
|
} else {
|
|
clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
|
|
}
|
|
clipPath.appendChild(clipElement);
|
|
this.defs.appendChild(clipPath);
|
|
if (current.activeClipUrl) {
|
|
current.clipGroup = null;
|
|
this.extraStack.forEach(function (prev) {
|
|
prev.clipGroup = null;
|
|
});
|
|
}
|
|
current.activeClipUrl = 'url(#' + clipId + ')';
|
|
this.tgrp = null;
|
|
},
|
|
closePath: function SVGGraphics_closePath() {
|
|
var current = this.current;
|
|
var d = current.path.getAttributeNS(null, 'd');
|
|
d += 'Z';
|
|
current.path.setAttributeNS(null, 'd', d);
|
|
},
|
|
setLeading: function SVGGraphics_setLeading(leading) {
|
|
this.current.leading = -leading;
|
|
},
|
|
setTextRise: function SVGGraphics_setTextRise(textRise) {
|
|
this.current.textRise = textRise;
|
|
},
|
|
setHScale: function SVGGraphics_setHScale(scale) {
|
|
this.current.textHScale = scale / 100;
|
|
},
|
|
setGState: function SVGGraphics_setGState(states) {
|
|
for (var i = 0, ii = states.length; i < ii; i++) {
|
|
var state = states[i];
|
|
var key = state[0];
|
|
var value = state[1];
|
|
switch (key) {
|
|
case 'LW':
|
|
this.setLineWidth(value);
|
|
break;
|
|
case 'LC':
|
|
this.setLineCap(value);
|
|
break;
|
|
case 'LJ':
|
|
this.setLineJoin(value);
|
|
break;
|
|
case 'ML':
|
|
this.setMiterLimit(value);
|
|
break;
|
|
case 'D':
|
|
this.setDash(value[0], value[1]);
|
|
break;
|
|
case 'Font':
|
|
this.setFont(value);
|
|
break;
|
|
default:
|
|
warn('Unimplemented graphic state ' + key);
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
fill: function SVGGraphics_fill() {
|
|
var current = this.current;
|
|
current.element.setAttributeNS(null, 'fill', current.fillColor);
|
|
},
|
|
stroke: function SVGGraphics_stroke() {
|
|
var current = this.current;
|
|
current.element.setAttributeNS(null, 'stroke', current.strokeColor);
|
|
current.element.setAttributeNS(null, 'fill', 'none');
|
|
},
|
|
eoFill: function SVGGraphics_eoFill() {
|
|
var current = this.current;
|
|
current.element.setAttributeNS(null, 'fill', current.fillColor);
|
|
current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
|
|
},
|
|
fillStroke: function SVGGraphics_fillStroke() {
|
|
this.stroke();
|
|
this.fill();
|
|
},
|
|
eoFillStroke: function SVGGraphics_eoFillStroke() {
|
|
this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
|
|
this.fillStroke();
|
|
},
|
|
closeStroke: function SVGGraphics_closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
},
|
|
closeFillStroke: function SVGGraphics_closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
},
|
|
paintSolidColorImageMask: function SVGGraphics_paintSolidColorImageMask() {
|
|
var current = this.current;
|
|
var rect = document.createElementNS(NS, 'svg:rect');
|
|
rect.setAttributeNS(null, 'x', '0');
|
|
rect.setAttributeNS(null, 'y', '0');
|
|
rect.setAttributeNS(null, 'width', '1px');
|
|
rect.setAttributeNS(null, 'height', '1px');
|
|
rect.setAttributeNS(null, 'fill', current.fillColor);
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
},
|
|
paintJpegXObject: function SVGGraphics_paintJpegXObject(objId, w, h) {
|
|
var imgObj = this.objs.get(objId);
|
|
var imgEl = document.createElementNS(NS, 'svg:image');
|
|
imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
|
|
imgEl.setAttributeNS(null, 'width', imgObj.width + 'px');
|
|
imgEl.setAttributeNS(null, 'height', imgObj.height + 'px');
|
|
imgEl.setAttributeNS(null, 'x', '0');
|
|
imgEl.setAttributeNS(null, 'y', pf(-h));
|
|
imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / w) + ' ' + pf(-1 / h) + ')');
|
|
this._ensureTransformGroup().appendChild(imgEl);
|
|
},
|
|
paintImageXObject: function SVGGraphics_paintImageXObject(objId) {
|
|
var imgData = this.objs.get(objId);
|
|
if (!imgData) {
|
|
warn('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
this.paintInlineImageXObject(imgData);
|
|
},
|
|
paintInlineImageXObject: function SVGGraphics_paintInlineImageXObject(imgData, mask) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema);
|
|
var cliprect = document.createElementNS(NS, 'svg:rect');
|
|
cliprect.setAttributeNS(null, 'x', '0');
|
|
cliprect.setAttributeNS(null, 'y', '0');
|
|
cliprect.setAttributeNS(null, 'width', pf(width));
|
|
cliprect.setAttributeNS(null, 'height', pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip('nonzero');
|
|
var imgEl = document.createElementNS(NS, 'svg:image');
|
|
imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
|
|
imgEl.setAttributeNS(null, 'x', '0');
|
|
imgEl.setAttributeNS(null, 'y', pf(-height));
|
|
imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
|
|
imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
|
|
imgEl.setAttributeNS(null, 'transform', 'scale(' + pf(1 / width) + ' ' + pf(-1 / height) + ')');
|
|
if (mask) {
|
|
mask.appendChild(imgEl);
|
|
} else {
|
|
this._ensureTransformGroup().appendChild(imgEl);
|
|
}
|
|
},
|
|
paintImageMaskXObject: function SVGGraphics_paintImageMaskXObject(imgData) {
|
|
var current = this.current;
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var fillColor = current.fillColor;
|
|
current.maskId = 'mask' + maskCount++;
|
|
var mask = document.createElementNS(NS, 'svg:mask');
|
|
mask.setAttributeNS(null, 'id', current.maskId);
|
|
var rect = document.createElementNS(NS, 'svg:rect');
|
|
rect.setAttributeNS(null, 'x', '0');
|
|
rect.setAttributeNS(null, 'y', '0');
|
|
rect.setAttributeNS(null, 'width', pf(width));
|
|
rect.setAttributeNS(null, 'height', pf(height));
|
|
rect.setAttributeNS(null, 'fill', fillColor);
|
|
rect.setAttributeNS(null, 'mask', 'url(#' + current.maskId + ')');
|
|
this.defs.appendChild(mask);
|
|
this._ensureTransformGroup().appendChild(rect);
|
|
this.paintInlineImageXObject(imgData, mask);
|
|
},
|
|
paintFormXObjectBegin: function SVGGraphics_paintFormXObjectBegin(matrix, bbox) {
|
|
if (isArray(matrix) && matrix.length === 6) {
|
|
this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
|
|
}
|
|
if (isArray(bbox) && bbox.length === 4) {
|
|
var width = bbox[2] - bbox[0];
|
|
var height = bbox[3] - bbox[1];
|
|
var cliprect = document.createElementNS(NS, 'svg:rect');
|
|
cliprect.setAttributeNS(null, 'x', bbox[0]);
|
|
cliprect.setAttributeNS(null, 'y', bbox[1]);
|
|
cliprect.setAttributeNS(null, 'width', pf(width));
|
|
cliprect.setAttributeNS(null, 'height', pf(height));
|
|
this.current.element = cliprect;
|
|
this.clip('nonzero');
|
|
this.endPath();
|
|
}
|
|
},
|
|
paintFormXObjectEnd: function SVGGraphics_paintFormXObjectEnd() {
|
|
},
|
|
_initialize: function SVGGraphics_initialize(viewport) {
|
|
var svg = document.createElementNS(NS, 'svg:svg');
|
|
svg.setAttributeNS(null, 'version', '1.1');
|
|
svg.setAttributeNS(null, 'width', viewport.width + 'px');
|
|
svg.setAttributeNS(null, 'height', viewport.height + 'px');
|
|
svg.setAttributeNS(null, 'preserveAspectRatio', 'none');
|
|
svg.setAttributeNS(null, 'viewBox', '0 0 ' + viewport.width + ' ' + viewport.height);
|
|
var definitions = document.createElementNS(NS, 'svg:defs');
|
|
svg.appendChild(definitions);
|
|
this.defs = definitions;
|
|
var rootGroup = document.createElementNS(NS, 'svg:g');
|
|
rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
|
|
svg.appendChild(rootGroup);
|
|
this.svg = rootGroup;
|
|
return svg;
|
|
},
|
|
_ensureClipGroup: function SVGGraphics_ensureClipGroup() {
|
|
if (!this.current.clipGroup) {
|
|
var clipGroup = document.createElementNS(NS, 'svg:g');
|
|
clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
|
|
this.svg.appendChild(clipGroup);
|
|
this.current.clipGroup = clipGroup;
|
|
}
|
|
return this.current.clipGroup;
|
|
},
|
|
_ensureTransformGroup: function SVGGraphics_ensureTransformGroup() {
|
|
if (!this.tgrp) {
|
|
this.tgrp = document.createElementNS(NS, '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;
|
|
}
|
|
};
|
|
return SVGGraphics;
|
|
}();
|
|
exports.SVGGraphics = SVGGraphics;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayAnnotationLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
|
|
}(this, function (exports, sharedUtil, displayDOMUtils) {
|
|
var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
|
|
var AnnotationType = sharedUtil.AnnotationType;
|
|
var Util = sharedUtil.Util;
|
|
var addLinkAttributes = displayDOMUtils.addLinkAttributes;
|
|
var LinkTarget = displayDOMUtils.LinkTarget;
|
|
var getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
|
|
var warn = sharedUtil.warn;
|
|
var CustomStyle = displayDOMUtils.CustomStyle;
|
|
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
|
|
function AnnotationElementFactory() {
|
|
}
|
|
AnnotationElementFactory.prototype = {
|
|
create: function AnnotationElementFactory_create(parameters) {
|
|
var subtype = parameters.data.annotationType;
|
|
switch (subtype) {
|
|
case AnnotationType.LINK:
|
|
return new LinkAnnotationElement(parameters);
|
|
case AnnotationType.TEXT:
|
|
return new TextAnnotationElement(parameters);
|
|
case AnnotationType.WIDGET:
|
|
var fieldType = parameters.data.fieldType;
|
|
switch (fieldType) {
|
|
case 'Tx':
|
|
return new TextWidgetAnnotationElement(parameters);
|
|
case 'Btn':
|
|
if (parameters.data.radioButton) {
|
|
return new RadioButtonWidgetAnnotationElement(parameters);
|
|
} else if (parameters.data.checkBox) {
|
|
return new CheckboxWidgetAnnotationElement(parameters);
|
|
}
|
|
warn('Unimplemented button widget annotation: pushbutton');
|
|
break;
|
|
case 'Ch':
|
|
return new ChoiceWidgetAnnotationElement(parameters);
|
|
}
|
|
return new WidgetAnnotationElement(parameters);
|
|
case AnnotationType.POPUP:
|
|
return new PopupAnnotationElement(parameters);
|
|
case AnnotationType.HIGHLIGHT:
|
|
return new HighlightAnnotationElement(parameters);
|
|
case AnnotationType.UNDERLINE:
|
|
return new UnderlineAnnotationElement(parameters);
|
|
case AnnotationType.SQUIGGLY:
|
|
return new SquigglyAnnotationElement(parameters);
|
|
case AnnotationType.STRIKEOUT:
|
|
return new StrikeOutAnnotationElement(parameters);
|
|
case AnnotationType.FILEATTACHMENT:
|
|
return new FileAttachmentAnnotationElement(parameters);
|
|
default:
|
|
return new AnnotationElement(parameters);
|
|
}
|
|
}
|
|
};
|
|
var AnnotationElement = function AnnotationElementClosure() {
|
|
function AnnotationElement(parameters, isRenderable) {
|
|
this.isRenderable = isRenderable || false;
|
|
this.data = parameters.data;
|
|
this.layer = parameters.layer;
|
|
this.page = parameters.page;
|
|
this.viewport = parameters.viewport;
|
|
this.linkService = parameters.linkService;
|
|
this.downloadManager = parameters.downloadManager;
|
|
this.imageResourcesPath = parameters.imageResourcesPath;
|
|
this.renderInteractiveForms = parameters.renderInteractiveForms;
|
|
if (isRenderable) {
|
|
this.container = this._createContainer();
|
|
}
|
|
}
|
|
AnnotationElement.prototype = {
|
|
_createContainer: function AnnotationElement_createContainer() {
|
|
var data = this.data, page = this.page, viewport = this.viewport;
|
|
var container = document.createElement('section');
|
|
var width = data.rect[2] - data.rect[0];
|
|
var height = data.rect[3] - data.rect[1];
|
|
container.setAttribute('data-annotation-id', data.id);
|
|
var rect = Util.normalizeRect([
|
|
data.rect[0],
|
|
page.view[3] - data.rect[1] + page.view[1],
|
|
data.rect[2],
|
|
page.view[3] - data.rect[3] + page.view[1]
|
|
]);
|
|
CustomStyle.setProp('transform', container, 'matrix(' + viewport.transform.join(',') + ')');
|
|
CustomStyle.setProp('transformOrigin', container, -rect[0] + 'px ' + -rect[1] + 'px');
|
|
if (data.borderStyle.width > 0) {
|
|
container.style.borderWidth = data.borderStyle.width + 'px';
|
|
if (data.borderStyle.style !== AnnotationBorderStyleType.UNDERLINE) {
|
|
width = width - 2 * data.borderStyle.width;
|
|
height = height - 2 * data.borderStyle.width;
|
|
}
|
|
var horizontalRadius = data.borderStyle.horizontalCornerRadius;
|
|
var verticalRadius = data.borderStyle.verticalCornerRadius;
|
|
if (horizontalRadius > 0 || verticalRadius > 0) {
|
|
var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
|
|
CustomStyle.setProp('borderRadius', container, radius);
|
|
}
|
|
switch (data.borderStyle.style) {
|
|
case AnnotationBorderStyleType.SOLID:
|
|
container.style.borderStyle = 'solid';
|
|
break;
|
|
case AnnotationBorderStyleType.DASHED:
|
|
container.style.borderStyle = 'dashed';
|
|
break;
|
|
case AnnotationBorderStyleType.BEVELED:
|
|
warn('Unimplemented border style: beveled');
|
|
break;
|
|
case AnnotationBorderStyleType.INSET:
|
|
warn('Unimplemented border style: inset');
|
|
break;
|
|
case AnnotationBorderStyleType.UNDERLINE:
|
|
container.style.borderBottomStyle = 'solid';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (data.color) {
|
|
container.style.borderColor = Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
|
|
} else {
|
|
container.style.borderWidth = 0;
|
|
}
|
|
}
|
|
container.style.left = rect[0] + 'px';
|
|
container.style.top = rect[1] + 'px';
|
|
container.style.width = width + 'px';
|
|
container.style.height = height + 'px';
|
|
return container;
|
|
},
|
|
_createPopup: function AnnotationElement_createPopup(container, trigger, data) {
|
|
if (!trigger) {
|
|
trigger = document.createElement('div');
|
|
trigger.style.height = container.style.height;
|
|
trigger.style.width = container.style.width;
|
|
container.appendChild(trigger);
|
|
}
|
|
var popupElement = new PopupElement({
|
|
container: container,
|
|
trigger: trigger,
|
|
color: data.color,
|
|
title: data.title,
|
|
contents: data.contents,
|
|
hideWrapper: true
|
|
});
|
|
var popup = popupElement.render();
|
|
popup.style.left = container.style.width;
|
|
container.appendChild(popup);
|
|
},
|
|
render: function AnnotationElement_render() {
|
|
throw new Error('Abstract method AnnotationElement.render called');
|
|
}
|
|
};
|
|
return AnnotationElement;
|
|
}();
|
|
var LinkAnnotationElement = function LinkAnnotationElementClosure() {
|
|
function LinkAnnotationElement(parameters) {
|
|
AnnotationElement.call(this, parameters, true);
|
|
}
|
|
Util.inherit(LinkAnnotationElement, AnnotationElement, {
|
|
render: function LinkAnnotationElement_render() {
|
|
this.container.className = 'linkAnnotation';
|
|
var link = document.createElement('a');
|
|
addLinkAttributes(link, {
|
|
url: this.data.url,
|
|
target: this.data.newWindow ? LinkTarget.BLANK : undefined
|
|
});
|
|
if (!this.data.url) {
|
|
if (this.data.action) {
|
|
this._bindNamedAction(link, this.data.action);
|
|
} else {
|
|
this._bindLink(link, this.data.dest);
|
|
}
|
|
}
|
|
this.container.appendChild(link);
|
|
return this.container;
|
|
},
|
|
_bindLink: function LinkAnnotationElement_bindLink(link, destination) {
|
|
var self = this;
|
|
link.href = this.linkService.getDestinationHash(destination);
|
|
link.onclick = function () {
|
|
if (destination) {
|
|
self.linkService.navigateTo(destination);
|
|
}
|
|
return false;
|
|
};
|
|
if (destination) {
|
|
link.className = 'internalLink';
|
|
}
|
|
},
|
|
_bindNamedAction: function LinkAnnotationElement_bindNamedAction(link, action) {
|
|
var self = this;
|
|
link.href = this.linkService.getAnchorUrl('');
|
|
link.onclick = function () {
|
|
self.linkService.executeNamedAction(action);
|
|
return false;
|
|
};
|
|
link.className = 'internalLink';
|
|
}
|
|
});
|
|
return LinkAnnotationElement;
|
|
}();
|
|
var TextAnnotationElement = function TextAnnotationElementClosure() {
|
|
function TextAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(TextAnnotationElement, AnnotationElement, {
|
|
render: function TextAnnotationElement_render() {
|
|
this.container.className = 'textAnnotation';
|
|
var image = document.createElement('img');
|
|
image.style.height = this.container.style.height;
|
|
image.style.width = this.container.style.width;
|
|
image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
|
|
image.alt = '[{{type}} Annotation]';
|
|
image.dataset.l10nId = 'text_annotation_type';
|
|
image.dataset.l10nArgs = JSON.stringify({ type: this.data.name });
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, image, this.data);
|
|
}
|
|
this.container.appendChild(image);
|
|
return this.container;
|
|
}
|
|
});
|
|
return TextAnnotationElement;
|
|
}();
|
|
var WidgetAnnotationElement = function WidgetAnnotationElementClosure() {
|
|
function WidgetAnnotationElement(parameters, isRenderable) {
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(WidgetAnnotationElement, AnnotationElement, {
|
|
render: function WidgetAnnotationElement_render() {
|
|
return this.container;
|
|
}
|
|
});
|
|
return WidgetAnnotationElement;
|
|
}();
|
|
var TextWidgetAnnotationElement = function TextWidgetAnnotationElementClosure() {
|
|
var TEXT_ALIGNMENT = [
|
|
'left',
|
|
'center',
|
|
'right'
|
|
];
|
|
function TextWidgetAnnotationElement(parameters) {
|
|
var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
|
|
WidgetAnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(TextWidgetAnnotationElement, WidgetAnnotationElement, {
|
|
render: function TextWidgetAnnotationElement_render() {
|
|
this.container.className = 'textWidgetAnnotation';
|
|
var element = null;
|
|
if (this.renderInteractiveForms) {
|
|
if (this.data.multiLine) {
|
|
element = document.createElement('textarea');
|
|
element.textContent = this.data.fieldValue;
|
|
} else {
|
|
element = document.createElement('input');
|
|
element.type = 'text';
|
|
element.setAttribute('value', this.data.fieldValue);
|
|
}
|
|
element.disabled = this.data.readOnly;
|
|
if (this.data.maxLen !== null) {
|
|
element.maxLength = this.data.maxLen;
|
|
}
|
|
if (this.data.comb) {
|
|
var fieldWidth = this.data.rect[2] - this.data.rect[0];
|
|
var combWidth = fieldWidth / this.data.maxLen;
|
|
element.classList.add('comb');
|
|
element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
|
|
}
|
|
} else {
|
|
element = document.createElement('div');
|
|
element.textContent = this.data.fieldValue;
|
|
element.style.verticalAlign = 'middle';
|
|
element.style.display = 'table-cell';
|
|
var font = null;
|
|
if (this.data.fontRefName) {
|
|
font = this.page.commonObjs.getData(this.data.fontRefName);
|
|
}
|
|
this._setTextStyle(element, font);
|
|
}
|
|
if (this.data.textAlignment !== null) {
|
|
element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
|
|
}
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
},
|
|
_setTextStyle: function TextWidgetAnnotationElement_setTextStyle(element, font) {
|
|
var style = element.style;
|
|
style.fontSize = this.data.fontSize + 'px';
|
|
style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
|
|
if (!font) {
|
|
return;
|
|
}
|
|
style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
|
|
style.fontStyle = font.italic ? 'italic' : 'normal';
|
|
var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
|
|
var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
|
|
style.fontFamily = fontFamily + fallbackName;
|
|
}
|
|
});
|
|
return TextWidgetAnnotationElement;
|
|
}();
|
|
var CheckboxWidgetAnnotationElement = function CheckboxWidgetAnnotationElementClosure() {
|
|
function CheckboxWidgetAnnotationElement(parameters) {
|
|
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
|
|
}
|
|
Util.inherit(CheckboxWidgetAnnotationElement, WidgetAnnotationElement, {
|
|
render: function CheckboxWidgetAnnotationElement_render() {
|
|
this.container.className = 'buttonWidgetAnnotation checkBox';
|
|
var element = document.createElement('input');
|
|
element.disabled = this.data.readOnly;
|
|
element.type = 'checkbox';
|
|
if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
|
|
element.setAttribute('checked', true);
|
|
}
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
});
|
|
return CheckboxWidgetAnnotationElement;
|
|
}();
|
|
var RadioButtonWidgetAnnotationElement = function RadioButtonWidgetAnnotationElementClosure() {
|
|
function RadioButtonWidgetAnnotationElement(parameters) {
|
|
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
|
|
}
|
|
Util.inherit(RadioButtonWidgetAnnotationElement, WidgetAnnotationElement, {
|
|
render: function RadioButtonWidgetAnnotationElement_render() {
|
|
this.container.className = 'buttonWidgetAnnotation radioButton';
|
|
var element = document.createElement('input');
|
|
element.disabled = this.data.readOnly;
|
|
element.type = 'radio';
|
|
element.name = this.data.fieldName;
|
|
if (this.data.fieldValue === this.data.buttonValue) {
|
|
element.setAttribute('checked', true);
|
|
}
|
|
this.container.appendChild(element);
|
|
return this.container;
|
|
}
|
|
});
|
|
return RadioButtonWidgetAnnotationElement;
|
|
}();
|
|
var ChoiceWidgetAnnotationElement = function ChoiceWidgetAnnotationElementClosure() {
|
|
function ChoiceWidgetAnnotationElement(parameters) {
|
|
WidgetAnnotationElement.call(this, parameters, parameters.renderInteractiveForms);
|
|
}
|
|
Util.inherit(ChoiceWidgetAnnotationElement, WidgetAnnotationElement, {
|
|
render: function ChoiceWidgetAnnotationElement_render() {
|
|
this.container.className = 'choiceWidgetAnnotation';
|
|
var selectElement = document.createElement('select');
|
|
selectElement.disabled = this.data.readOnly;
|
|
if (!this.data.combo) {
|
|
selectElement.size = this.data.options.length;
|
|
if (this.data.multiSelect) {
|
|
selectElement.multiple = true;
|
|
}
|
|
}
|
|
for (var i = 0, ii = this.data.options.length; i < ii; i++) {
|
|
var option = this.data.options[i];
|
|
var optionElement = document.createElement('option');
|
|
optionElement.textContent = option.displayValue;
|
|
optionElement.value = option.exportValue;
|
|
if (this.data.fieldValue.indexOf(option.displayValue) >= 0) {
|
|
optionElement.setAttribute('selected', true);
|
|
}
|
|
selectElement.appendChild(optionElement);
|
|
}
|
|
this.container.appendChild(selectElement);
|
|
return this.container;
|
|
}
|
|
});
|
|
return ChoiceWidgetAnnotationElement;
|
|
}();
|
|
var PopupAnnotationElement = function PopupAnnotationElementClosure() {
|
|
function PopupAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(PopupAnnotationElement, AnnotationElement, {
|
|
render: function PopupAnnotationElement_render() {
|
|
this.container.className = 'popupAnnotation';
|
|
var selector = '[data-annotation-id="' + this.data.parentId + '"]';
|
|
var parentElement = this.layer.querySelector(selector);
|
|
if (!parentElement) {
|
|
return this.container;
|
|
}
|
|
var popup = new PopupElement({
|
|
container: this.container,
|
|
trigger: parentElement,
|
|
color: this.data.color,
|
|
title: this.data.title,
|
|
contents: this.data.contents
|
|
});
|
|
var parentLeft = parseFloat(parentElement.style.left);
|
|
var parentWidth = parseFloat(parentElement.style.width);
|
|
CustomStyle.setProp('transformOrigin', this.container, -(parentLeft + parentWidth) + 'px -' + parentElement.style.top);
|
|
this.container.style.left = parentLeft + parentWidth + 'px';
|
|
this.container.appendChild(popup.render());
|
|
return this.container;
|
|
}
|
|
});
|
|
return PopupAnnotationElement;
|
|
}();
|
|
var PopupElement = function PopupElementClosure() {
|
|
var BACKGROUND_ENLIGHT = 0.7;
|
|
function PopupElement(parameters) {
|
|
this.container = parameters.container;
|
|
this.trigger = parameters.trigger;
|
|
this.color = parameters.color;
|
|
this.title = parameters.title;
|
|
this.contents = parameters.contents;
|
|
this.hideWrapper = parameters.hideWrapper || false;
|
|
this.pinned = false;
|
|
}
|
|
PopupElement.prototype = {
|
|
render: function PopupElement_render() {
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = 'popupWrapper';
|
|
this.hideElement = this.hideWrapper ? wrapper : this.container;
|
|
this.hideElement.setAttribute('hidden', true);
|
|
var popup = document.createElement('div');
|
|
popup.className = 'popup';
|
|
var color = this.color;
|
|
if (color) {
|
|
var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
|
|
var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
|
|
var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
|
|
popup.style.backgroundColor = Util.makeCssRgb(r | 0, g | 0, b | 0);
|
|
}
|
|
var contents = this._formatContents(this.contents);
|
|
var title = document.createElement('h1');
|
|
title.textContent = this.title;
|
|
this.trigger.addEventListener('click', this._toggle.bind(this));
|
|
this.trigger.addEventListener('mouseover', this._show.bind(this, false));
|
|
this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
|
|
popup.addEventListener('click', this._hide.bind(this, true));
|
|
popup.appendChild(title);
|
|
popup.appendChild(contents);
|
|
wrapper.appendChild(popup);
|
|
return wrapper;
|
|
},
|
|
_formatContents: function PopupElement_formatContents(contents) {
|
|
var p = document.createElement('p');
|
|
var lines = contents.split(/(?:\r\n?|\n)/);
|
|
for (var i = 0, ii = lines.length; i < ii; ++i) {
|
|
var line = lines[i];
|
|
p.appendChild(document.createTextNode(line));
|
|
if (i < ii - 1) {
|
|
p.appendChild(document.createElement('br'));
|
|
}
|
|
}
|
|
return p;
|
|
},
|
|
_toggle: function PopupElement_toggle() {
|
|
if (this.pinned) {
|
|
this._hide(true);
|
|
} else {
|
|
this._show(true);
|
|
}
|
|
},
|
|
_show: function PopupElement_show(pin) {
|
|
if (pin) {
|
|
this.pinned = true;
|
|
}
|
|
if (this.hideElement.hasAttribute('hidden')) {
|
|
this.hideElement.removeAttribute('hidden');
|
|
this.container.style.zIndex += 1;
|
|
}
|
|
},
|
|
_hide: function PopupElement_hide(unpin) {
|
|
if (unpin) {
|
|
this.pinned = false;
|
|
}
|
|
if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
|
|
this.hideElement.setAttribute('hidden', true);
|
|
this.container.style.zIndex -= 1;
|
|
}
|
|
}
|
|
};
|
|
return PopupElement;
|
|
}();
|
|
var HighlightAnnotationElement = function HighlightAnnotationElementClosure() {
|
|
function HighlightAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(HighlightAnnotationElement, AnnotationElement, {
|
|
render: function HighlightAnnotationElement_render() {
|
|
this.container.className = 'highlightAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
});
|
|
return HighlightAnnotationElement;
|
|
}();
|
|
var UnderlineAnnotationElement = function UnderlineAnnotationElementClosure() {
|
|
function UnderlineAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(UnderlineAnnotationElement, AnnotationElement, {
|
|
render: function UnderlineAnnotationElement_render() {
|
|
this.container.className = 'underlineAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
});
|
|
return UnderlineAnnotationElement;
|
|
}();
|
|
var SquigglyAnnotationElement = function SquigglyAnnotationElementClosure() {
|
|
function SquigglyAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(SquigglyAnnotationElement, AnnotationElement, {
|
|
render: function SquigglyAnnotationElement_render() {
|
|
this.container.className = 'squigglyAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
});
|
|
return SquigglyAnnotationElement;
|
|
}();
|
|
var StrikeOutAnnotationElement = function StrikeOutAnnotationElementClosure() {
|
|
function StrikeOutAnnotationElement(parameters) {
|
|
var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
|
|
AnnotationElement.call(this, parameters, isRenderable);
|
|
}
|
|
Util.inherit(StrikeOutAnnotationElement, AnnotationElement, {
|
|
render: function StrikeOutAnnotationElement_render() {
|
|
this.container.className = 'strikeoutAnnotation';
|
|
if (!this.data.hasPopup) {
|
|
this._createPopup(this.container, null, this.data);
|
|
}
|
|
return this.container;
|
|
}
|
|
});
|
|
return StrikeOutAnnotationElement;
|
|
}();
|
|
var FileAttachmentAnnotationElement = function FileAttachmentAnnotationElementClosure() {
|
|
function FileAttachmentAnnotationElement(parameters) {
|
|
AnnotationElement.call(this, parameters, true);
|
|
this.filename = getFilenameFromUrl(parameters.data.file.filename);
|
|
this.content = parameters.data.file.content;
|
|
}
|
|
Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
|
|
render: function FileAttachmentAnnotationElement_render() {
|
|
this.container.className = 'fileAttachmentAnnotation';
|
|
var trigger = document.createElement('div');
|
|
trigger.style.height = this.container.style.height;
|
|
trigger.style.width = this.container.style.width;
|
|
trigger.addEventListener('dblclick', this._download.bind(this));
|
|
if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
|
|
this._createPopup(this.container, trigger, this.data);
|
|
}
|
|
this.container.appendChild(trigger);
|
|
return this.container;
|
|
},
|
|
_download: function FileAttachmentAnnotationElement_download() {
|
|
if (!this.downloadManager) {
|
|
warn('Download cannot be started due to unavailable download manager');
|
|
return;
|
|
}
|
|
this.downloadManager.downloadData(this.content, this.filename, '');
|
|
}
|
|
});
|
|
return FileAttachmentAnnotationElement;
|
|
}();
|
|
var AnnotationLayer = function AnnotationLayerClosure() {
|
|
return {
|
|
render: function AnnotationLayer_render(parameters) {
|
|
var annotationElementFactory = new AnnotationElementFactory();
|
|
for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
|
|
var data = parameters.annotations[i];
|
|
if (!data) {
|
|
continue;
|
|
}
|
|
var properties = {
|
|
data: data,
|
|
layer: parameters.div,
|
|
page: parameters.page,
|
|
viewport: parameters.viewport,
|
|
linkService: parameters.linkService,
|
|
downloadManager: parameters.downloadManager,
|
|
imageResourcesPath: parameters.imageResourcesPath || getDefaultSetting('imageResourcesPath'),
|
|
renderInteractiveForms: parameters.renderInteractiveForms || false
|
|
};
|
|
var element = annotationElementFactory.create(properties);
|
|
if (element.isRenderable) {
|
|
parameters.div.appendChild(element.render());
|
|
}
|
|
}
|
|
},
|
|
update: function AnnotationLayer_update(parameters) {
|
|
for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
|
|
var data = parameters.annotations[i];
|
|
var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
|
|
if (element) {
|
|
CustomStyle.setProp('transform', element, 'matrix(' + parameters.viewport.transform.join(',') + ')');
|
|
}
|
|
}
|
|
parameters.div.removeAttribute('hidden');
|
|
}
|
|
};
|
|
}();
|
|
exports.AnnotationLayer = AnnotationLayer;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayTextLayer = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
|
|
}(this, function (exports, sharedUtil, displayDOMUtils) {
|
|
var Util = sharedUtil.Util;
|
|
var createPromiseCapability = sharedUtil.createPromiseCapability;
|
|
var CustomStyle = displayDOMUtils.CustomStyle;
|
|
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
|
|
var renderTextLayer = function renderTextLayerClosure() {
|
|
var MAX_TEXT_DIVS_TO_RENDER = 100000;
|
|
var NonWhitespaceRegexp = /\S/;
|
|
function isAllWhitespace(str) {
|
|
return !NonWhitespaceRegexp.test(str);
|
|
}
|
|
var styleBuf = [
|
|
'left: ',
|
|
0,
|
|
'px; top: ',
|
|
0,
|
|
'px; font-size: ',
|
|
0,
|
|
'px; font-family: ',
|
|
'',
|
|
';'
|
|
];
|
|
function appendText(task, geom, styles) {
|
|
var textDiv = document.createElement('div');
|
|
var textDivProperties = {
|
|
style: null,
|
|
angle: 0,
|
|
canvasWidth: 0,
|
|
isWhitespace: false,
|
|
originalTransform: null,
|
|
paddingBottom: 0,
|
|
paddingLeft: 0,
|
|
paddingRight: 0,
|
|
paddingTop: 0,
|
|
scale: 1
|
|
};
|
|
task._textDivs.push(textDiv);
|
|
if (isAllWhitespace(geom.str)) {
|
|
textDivProperties.isWhitespace = true;
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
return;
|
|
}
|
|
var tx = Util.transform(task._viewport.transform, geom.transform);
|
|
var angle = Math.atan2(tx[1], tx[0]);
|
|
var style = styles[geom.fontName];
|
|
if (style.vertical) {
|
|
angle += Math.PI / 2;
|
|
}
|
|
var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
|
|
var fontAscent = fontHeight;
|
|
if (style.ascent) {
|
|
fontAscent = style.ascent * fontAscent;
|
|
} else if (style.descent) {
|
|
fontAscent = (1 + style.descent) * fontAscent;
|
|
}
|
|
var left;
|
|
var top;
|
|
if (angle === 0) {
|
|
left = tx[4];
|
|
top = tx[5] - fontAscent;
|
|
} else {
|
|
left = tx[4] + fontAscent * Math.sin(angle);
|
|
top = tx[5] - fontAscent * Math.cos(angle);
|
|
}
|
|
styleBuf[1] = left;
|
|
styleBuf[3] = top;
|
|
styleBuf[5] = fontHeight;
|
|
styleBuf[7] = style.fontFamily;
|
|
textDivProperties.style = styleBuf.join('');
|
|
textDiv.setAttribute('style', textDivProperties.style);
|
|
textDiv.textContent = geom.str;
|
|
if (getDefaultSetting('pdfBug')) {
|
|
textDiv.dataset.fontName = geom.fontName;
|
|
}
|
|
if (angle !== 0) {
|
|
textDivProperties.angle = angle * (180 / Math.PI);
|
|
}
|
|
if (geom.str.length > 1) {
|
|
if (style.vertical) {
|
|
textDivProperties.canvasWidth = geom.height * task._viewport.scale;
|
|
} else {
|
|
textDivProperties.canvasWidth = geom.width * task._viewport.scale;
|
|
}
|
|
}
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
if (task._enhanceTextSelection) {
|
|
var angleCos = 1, angleSin = 0;
|
|
if (angle !== 0) {
|
|
angleCos = Math.cos(angle);
|
|
angleSin = Math.sin(angle);
|
|
}
|
|
var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
|
|
var divHeight = fontHeight;
|
|
var m, b;
|
|
if (angle !== 0) {
|
|
m = [
|
|
angleCos,
|
|
angleSin,
|
|
-angleSin,
|
|
angleCos,
|
|
left,
|
|
top
|
|
];
|
|
b = Util.getAxialAlignedBoundingBox([
|
|
0,
|
|
0,
|
|
divWidth,
|
|
divHeight
|
|
], m);
|
|
} else {
|
|
b = [
|
|
left,
|
|
top,
|
|
left + divWidth,
|
|
top + divHeight
|
|
];
|
|
}
|
|
task._bounds.push({
|
|
left: b[0],
|
|
top: b[1],
|
|
right: b[2],
|
|
bottom: b[3],
|
|
div: textDiv,
|
|
size: [
|
|
divWidth,
|
|
divHeight
|
|
],
|
|
m: m
|
|
});
|
|
}
|
|
}
|
|
function render(task) {
|
|
if (task._canceled) {
|
|
return;
|
|
}
|
|
var textLayerFrag = task._container;
|
|
var textDivs = task._textDivs;
|
|
var capability = task._capability;
|
|
var textDivsLength = textDivs.length;
|
|
if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
return;
|
|
}
|
|
var canvas = document.createElement('canvas');
|
|
canvas.mozOpaque = true;
|
|
var ctx = canvas.getContext('2d', { alpha: false });
|
|
var lastFontSize;
|
|
var lastFontFamily;
|
|
for (var i = 0; i < textDivsLength; i++) {
|
|
var textDiv = textDivs[i];
|
|
var textDivProperties = task._textDivProperties.get(textDiv);
|
|
if (textDivProperties.isWhitespace) {
|
|
continue;
|
|
}
|
|
var fontSize = textDiv.style.fontSize;
|
|
var fontFamily = textDiv.style.fontFamily;
|
|
if (fontSize !== lastFontSize || fontFamily !== lastFontFamily) {
|
|
ctx.font = fontSize + ' ' + fontFamily;
|
|
lastFontSize = fontSize;
|
|
lastFontFamily = fontFamily;
|
|
}
|
|
var width = ctx.measureText(textDiv.textContent).width;
|
|
textLayerFrag.appendChild(textDiv);
|
|
var transform = '';
|
|
if (textDivProperties.canvasWidth !== 0 && width > 0) {
|
|
textDivProperties.scale = textDivProperties.canvasWidth / width;
|
|
transform = 'scaleX(' + textDivProperties.scale + ')';
|
|
}
|
|
if (textDivProperties.angle !== 0) {
|
|
transform = 'rotate(' + textDivProperties.angle + 'deg) ' + transform;
|
|
}
|
|
if (transform !== '') {
|
|
textDivProperties.originalTransform = transform;
|
|
CustomStyle.setProp('transform', textDiv, transform);
|
|
}
|
|
task._textDivProperties.set(textDiv, textDivProperties);
|
|
}
|
|
task._renderingDone = true;
|
|
capability.resolve();
|
|
}
|
|
function expand(task) {
|
|
var bounds = task._bounds;
|
|
var viewport = task._viewport;
|
|
var expanded = expandBounds(viewport.width, viewport.height, bounds);
|
|
for (var i = 0; i < expanded.length; i++) {
|
|
var div = bounds[i].div;
|
|
var divProperties = task._textDivProperties.get(div);
|
|
if (divProperties.angle === 0) {
|
|
divProperties.paddingLeft = bounds[i].left - expanded[i].left;
|
|
divProperties.paddingTop = bounds[i].top - expanded[i].top;
|
|
divProperties.paddingRight = expanded[i].right - bounds[i].right;
|
|
divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
|
|
task._textDivProperties.set(div, divProperties);
|
|
continue;
|
|
}
|
|
var e = expanded[i], b = bounds[i];
|
|
var m = b.m, c = m[0], s = m[1];
|
|
var points = [
|
|
[
|
|
0,
|
|
0
|
|
],
|
|
[
|
|
0,
|
|
b.size[1]
|
|
],
|
|
[
|
|
b.size[0],
|
|
0
|
|
],
|
|
b.size
|
|
];
|
|
var ts = new Float64Array(64);
|
|
points.forEach(function (p, i) {
|
|
var t = Util.applyTransform(p, m);
|
|
ts[i + 0] = c && (e.left - t[0]) / c;
|
|
ts[i + 4] = s && (e.top - t[1]) / s;
|
|
ts[i + 8] = c && (e.right - t[0]) / c;
|
|
ts[i + 12] = s && (e.bottom - t[1]) / s;
|
|
ts[i + 16] = s && (e.left - t[0]) / -s;
|
|
ts[i + 20] = c && (e.top - t[1]) / c;
|
|
ts[i + 24] = s && (e.right - t[0]) / -s;
|
|
ts[i + 28] = c && (e.bottom - t[1]) / c;
|
|
ts[i + 32] = c && (e.left - t[0]) / -c;
|
|
ts[i + 36] = s && (e.top - t[1]) / -s;
|
|
ts[i + 40] = c && (e.right - t[0]) / -c;
|
|
ts[i + 44] = s && (e.bottom - t[1]) / -s;
|
|
ts[i + 48] = s && (e.left - t[0]) / s;
|
|
ts[i + 52] = c && (e.top - t[1]) / -c;
|
|
ts[i + 56] = s && (e.right - t[0]) / s;
|
|
ts[i + 60] = c && (e.bottom - t[1]) / -c;
|
|
});
|
|
var findPositiveMin = function (ts, offset, count) {
|
|
var result = 0;
|
|
for (var i = 0; i < count; i++) {
|
|
var t = ts[offset++];
|
|
if (t > 0) {
|
|
result = result ? Math.min(t, result) : t;
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
|
|
divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
|
|
divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
|
|
divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
|
|
divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
|
|
task._textDivProperties.set(div, divProperties);
|
|
}
|
|
}
|
|
function expandBounds(width, height, boxes) {
|
|
var bounds = boxes.map(function (box, i) {
|
|
return {
|
|
x1: box.left,
|
|
y1: box.top,
|
|
x2: box.right,
|
|
y2: box.bottom,
|
|
index: i,
|
|
x1New: undefined,
|
|
x2New: undefined
|
|
};
|
|
});
|
|
expandBoundsLTR(width, bounds);
|
|
var expanded = new Array(boxes.length);
|
|
bounds.forEach(function (b) {
|
|
var i = b.index;
|
|
expanded[i] = {
|
|
left: b.x1New,
|
|
top: 0,
|
|
right: b.x2New,
|
|
bottom: 0
|
|
};
|
|
});
|
|
boxes.map(function (box, i) {
|
|
var e = expanded[i], b = bounds[i];
|
|
b.x1 = box.top;
|
|
b.y1 = width - e.right;
|
|
b.x2 = box.bottom;
|
|
b.y2 = width - e.left;
|
|
b.index = i;
|
|
b.x1New = undefined;
|
|
b.x2New = undefined;
|
|
});
|
|
expandBoundsLTR(height, bounds);
|
|
bounds.forEach(function (b) {
|
|
var i = b.index;
|
|
expanded[i].top = b.x1New;
|
|
expanded[i].bottom = b.x2New;
|
|
});
|
|
return expanded;
|
|
}
|
|
function expandBoundsLTR(width, bounds) {
|
|
bounds.sort(function (a, b) {
|
|
return a.x1 - b.x1 || a.index - b.index;
|
|
});
|
|
var fakeBoundary = {
|
|
x1: -Infinity,
|
|
y1: -Infinity,
|
|
x2: 0,
|
|
y2: Infinity,
|
|
index: -1,
|
|
x1New: 0,
|
|
x2New: 0
|
|
};
|
|
var horizon = [{
|
|
start: -Infinity,
|
|
end: Infinity,
|
|
boundary: fakeBoundary
|
|
}];
|
|
bounds.forEach(function (boundary) {
|
|
var i = 0;
|
|
while (i < horizon.length && horizon[i].end <= boundary.y1) {
|
|
i++;
|
|
}
|
|
var j = horizon.length - 1;
|
|
while (j >= 0 && horizon[j].start >= boundary.y2) {
|
|
j--;
|
|
}
|
|
var horizonPart, affectedBoundary;
|
|
var q, k, maxXNew = -Infinity;
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
var xNew;
|
|
if (affectedBoundary.x2 > boundary.x1) {
|
|
xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
|
|
} else if (affectedBoundary.x2New === undefined) {
|
|
xNew = (affectedBoundary.x2 + boundary.x1) / 2;
|
|
} else {
|
|
xNew = affectedBoundary.x2New;
|
|
}
|
|
if (xNew > maxXNew) {
|
|
maxXNew = xNew;
|
|
}
|
|
}
|
|
boundary.x1New = maxXNew;
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
if (affectedBoundary.x2New === undefined) {
|
|
if (affectedBoundary.x2 > boundary.x1) {
|
|
if (affectedBoundary.index > boundary.index) {
|
|
affectedBoundary.x2New = affectedBoundary.x2;
|
|
}
|
|
} else {
|
|
affectedBoundary.x2New = maxXNew;
|
|
}
|
|
} else if (affectedBoundary.x2New > maxXNew) {
|
|
affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
|
|
}
|
|
}
|
|
var changedHorizon = [], lastBoundary = null;
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
|
|
if (lastBoundary === useBoundary) {
|
|
changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
|
|
} else {
|
|
changedHorizon.push({
|
|
start: horizonPart.start,
|
|
end: horizonPart.end,
|
|
boundary: useBoundary
|
|
});
|
|
lastBoundary = useBoundary;
|
|
}
|
|
}
|
|
if (horizon[i].start < boundary.y1) {
|
|
changedHorizon[0].start = boundary.y1;
|
|
changedHorizon.unshift({
|
|
start: horizon[i].start,
|
|
end: boundary.y1,
|
|
boundary: horizon[i].boundary
|
|
});
|
|
}
|
|
if (boundary.y2 < horizon[j].end) {
|
|
changedHorizon[changedHorizon.length - 1].end = boundary.y2;
|
|
changedHorizon.push({
|
|
start: boundary.y2,
|
|
end: horizon[j].end,
|
|
boundary: horizon[j].boundary
|
|
});
|
|
}
|
|
for (q = i; q <= j; q++) {
|
|
horizonPart = horizon[q];
|
|
affectedBoundary = horizonPart.boundary;
|
|
if (affectedBoundary.x2New !== undefined) {
|
|
continue;
|
|
}
|
|
var used = false;
|
|
for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
|
|
used = horizon[k].boundary === affectedBoundary;
|
|
}
|
|
for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
|
|
used = horizon[k].boundary === affectedBoundary;
|
|
}
|
|
for (k = 0; !used && k < changedHorizon.length; k++) {
|
|
used = changedHorizon[k].boundary === affectedBoundary;
|
|
}
|
|
if (!used) {
|
|
affectedBoundary.x2New = maxXNew;
|
|
}
|
|
}
|
|
Array.prototype.splice.apply(horizon, [
|
|
i,
|
|
j - i + 1
|
|
].concat(changedHorizon));
|
|
});
|
|
horizon.forEach(function (horizonPart) {
|
|
var affectedBoundary = horizonPart.boundary;
|
|
if (affectedBoundary.x2New === undefined) {
|
|
affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
|
|
}
|
|
});
|
|
}
|
|
function TextLayerRenderTask(textContent, container, viewport, textDivs, enhanceTextSelection) {
|
|
this._textContent = textContent;
|
|
this._container = container;
|
|
this._viewport = viewport;
|
|
this._textDivs = textDivs || [];
|
|
this._textDivProperties = new WeakMap();
|
|
this._renderingDone = false;
|
|
this._canceled = false;
|
|
this._capability = createPromiseCapability();
|
|
this._renderTimer = null;
|
|
this._bounds = [];
|
|
this._enhanceTextSelection = !!enhanceTextSelection;
|
|
}
|
|
TextLayerRenderTask.prototype = {
|
|
get promise() {
|
|
return this._capability.promise;
|
|
},
|
|
cancel: function TextLayer_cancel() {
|
|
this._canceled = true;
|
|
if (this._renderTimer !== null) {
|
|
clearTimeout(this._renderTimer);
|
|
this._renderTimer = null;
|
|
}
|
|
this._capability.reject('canceled');
|
|
},
|
|
_render: function TextLayer_render(timeout) {
|
|
var textItems = this._textContent.items;
|
|
var textStyles = this._textContent.styles;
|
|
for (var i = 0, len = textItems.length; i < len; i++) {
|
|
appendText(this, textItems[i], textStyles);
|
|
}
|
|
if (!timeout) {
|
|
render(this);
|
|
} else {
|
|
var self = this;
|
|
this._renderTimer = setTimeout(function () {
|
|
render(self);
|
|
self._renderTimer = null;
|
|
}, timeout);
|
|
}
|
|
},
|
|
expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
|
|
if (!this._enhanceTextSelection || !this._renderingDone) {
|
|
return;
|
|
}
|
|
if (this._bounds !== null) {
|
|
expand(this);
|
|
this._bounds = null;
|
|
}
|
|
for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
|
|
var div = this._textDivs[i];
|
|
var divProperties = this._textDivProperties.get(div);
|
|
if (divProperties.isWhitespace) {
|
|
continue;
|
|
}
|
|
if (expandDivs) {
|
|
var transform = '', padding = '';
|
|
if (divProperties.scale !== 1) {
|
|
transform = 'scaleX(' + divProperties.scale + ')';
|
|
}
|
|
if (divProperties.angle !== 0) {
|
|
transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
|
|
}
|
|
if (divProperties.paddingLeft !== 0) {
|
|
padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
|
|
transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
|
|
}
|
|
if (divProperties.paddingTop !== 0) {
|
|
padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
|
|
transform += ' translateY(' + -divProperties.paddingTop + 'px)';
|
|
}
|
|
if (divProperties.paddingRight !== 0) {
|
|
padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
|
|
}
|
|
if (divProperties.paddingBottom !== 0) {
|
|
padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
|
|
}
|
|
if (padding !== '') {
|
|
div.setAttribute('style', divProperties.style + padding);
|
|
}
|
|
if (transform !== '') {
|
|
CustomStyle.setProp('transform', div, transform);
|
|
}
|
|
} else {
|
|
div.style.padding = 0;
|
|
CustomStyle.setProp('transform', div, divProperties.originalTransform || '');
|
|
}
|
|
}
|
|
}
|
|
};
|
|
function renderTextLayer(renderParameters) {
|
|
var task = new TextLayerRenderTask(renderParameters.textContent, renderParameters.container, renderParameters.viewport, renderParameters.textDivs, renderParameters.enhanceTextSelection);
|
|
task._render(renderParameters.timeout);
|
|
return task;
|
|
}
|
|
return renderTextLayer;
|
|
}();
|
|
exports.renderTextLayer = renderTextLayer;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayWebGL = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils);
|
|
}(this, function (exports, sharedUtil, displayDOMUtils) {
|
|
var shadow = sharedUtil.shadow;
|
|
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
|
|
var WebGLUtils = function WebGLUtilsClosure() {
|
|
function loadShader(gl, code, shaderType) {
|
|
var shader = gl.createShader(shaderType);
|
|
gl.shaderSource(shader, code);
|
|
gl.compileShader(shader);
|
|
var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
|
|
if (!compiled) {
|
|
var errorMsg = gl.getShaderInfoLog(shader);
|
|
throw new Error('Error during shader compilation: ' + errorMsg);
|
|
}
|
|
return shader;
|
|
}
|
|
function createVertexShader(gl, code) {
|
|
return loadShader(gl, code, gl.VERTEX_SHADER);
|
|
}
|
|
function createFragmentShader(gl, code) {
|
|
return loadShader(gl, code, gl.FRAGMENT_SHADER);
|
|
}
|
|
function createProgram(gl, shaders) {
|
|
var program = gl.createProgram();
|
|
for (var i = 0, ii = shaders.length; i < ii; ++i) {
|
|
gl.attachShader(program, shaders[i]);
|
|
}
|
|
gl.linkProgram(program);
|
|
var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
|
|
if (!linked) {
|
|
var errorMsg = gl.getProgramInfoLog(program);
|
|
throw new Error('Error during program linking: ' + errorMsg);
|
|
}
|
|
return program;
|
|
}
|
|
function createTexture(gl, image, textureId) {
|
|
gl.activeTexture(textureId);
|
|
var texture = gl.createTexture();
|
|
gl.bindTexture(gl.TEXTURE_2D, texture);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
|
|
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
|
|
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
|
return texture;
|
|
}
|
|
var currentGL, currentCanvas;
|
|
function generateGL() {
|
|
if (currentGL) {
|
|
return;
|
|
}
|
|
currentCanvas = document.createElement('canvas');
|
|
currentGL = currentCanvas.getContext('webgl', { premultipliedalpha: false });
|
|
}
|
|
var smaskVertexShaderCode = '\
|
|
attribute vec2 a_position; \
|
|
attribute vec2 a_texCoord; \
|
|
\
|
|
uniform vec2 u_resolution; \
|
|
\
|
|
varying vec2 v_texCoord; \
|
|
\
|
|
void main() { \
|
|
vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0; \
|
|
gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
|
|
\
|
|
v_texCoord = a_texCoord; \
|
|
} ';
|
|
var smaskFragmentShaderCode = '\
|
|
precision mediump float; \
|
|
\
|
|
uniform vec4 u_backdrop; \
|
|
uniform int u_subtype; \
|
|
uniform sampler2D u_image; \
|
|
uniform sampler2D u_mask; \
|
|
\
|
|
varying vec2 v_texCoord; \
|
|
\
|
|
void main() { \
|
|
vec4 imageColor = texture2D(u_image, v_texCoord); \
|
|
vec4 maskColor = texture2D(u_mask, v_texCoord); \
|
|
if (u_backdrop.a > 0.0) { \
|
|
maskColor.rgb = maskColor.rgb * maskColor.a + \
|
|
u_backdrop.rgb * (1.0 - maskColor.a); \
|
|
} \
|
|
float lum; \
|
|
if (u_subtype == 0) { \
|
|
lum = maskColor.a; \
|
|
} else { \
|
|
lum = maskColor.r * 0.3 + maskColor.g * 0.59 + \
|
|
maskColor.b * 0.11; \
|
|
} \
|
|
imageColor.a *= lum; \
|
|
imageColor.rgb *= imageColor.a; \
|
|
gl_FragColor = imageColor; \
|
|
} ';
|
|
var smaskCache = null;
|
|
function initSmaskGL() {
|
|
var canvas, gl;
|
|
generateGL();
|
|
canvas = currentCanvas;
|
|
currentCanvas = null;
|
|
gl = currentGL;
|
|
currentGL = null;
|
|
var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
|
|
var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
|
|
var program = createProgram(gl, [
|
|
vertexShader,
|
|
fragmentShader
|
|
]);
|
|
gl.useProgram(program);
|
|
var cache = {};
|
|
cache.gl = gl;
|
|
cache.canvas = canvas;
|
|
cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
|
|
cache.positionLocation = gl.getAttribLocation(program, 'a_position');
|
|
cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
|
|
cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
|
|
var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
|
|
var texLayerLocation = gl.getUniformLocation(program, 'u_image');
|
|
var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
|
|
var texCoordBuffer = gl.createBuffer();
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
|
|
0.0,
|
|
0.0,
|
|
1.0,
|
|
0.0,
|
|
0.0,
|
|
1.0,
|
|
0.0,
|
|
1.0,
|
|
1.0,
|
|
0.0,
|
|
1.0,
|
|
1.0
|
|
]), gl.STATIC_DRAW);
|
|
gl.enableVertexAttribArray(texCoordLocation);
|
|
gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
|
|
gl.uniform1i(texLayerLocation, 0);
|
|
gl.uniform1i(texMaskLocation, 1);
|
|
smaskCache = cache;
|
|
}
|
|
function composeSMask(layer, mask, properties) {
|
|
var width = layer.width, height = layer.height;
|
|
if (!smaskCache) {
|
|
initSmaskGL();
|
|
}
|
|
var cache = smaskCache, canvas = cache.canvas, gl = cache.gl;
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
|
|
gl.uniform2f(cache.resolutionLocation, width, height);
|
|
if (properties.backdrop) {
|
|
gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
|
|
} else {
|
|
gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
|
|
}
|
|
gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
|
|
var texture = createTexture(gl, layer, gl.TEXTURE0);
|
|
var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
|
|
var buffer = gl.createBuffer();
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
|
|
0,
|
|
0,
|
|
width,
|
|
0,
|
|
0,
|
|
height,
|
|
0,
|
|
height,
|
|
width,
|
|
0,
|
|
width,
|
|
height
|
|
]), gl.STATIC_DRAW);
|
|
gl.enableVertexAttribArray(cache.positionLocation);
|
|
gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
|
|
gl.clearColor(0, 0, 0, 0);
|
|
gl.enable(gl.BLEND);
|
|
gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
gl.drawArrays(gl.TRIANGLES, 0, 6);
|
|
gl.flush();
|
|
gl.deleteTexture(texture);
|
|
gl.deleteTexture(maskTexture);
|
|
gl.deleteBuffer(buffer);
|
|
return canvas;
|
|
}
|
|
var figuresVertexShaderCode = '\
|
|
attribute vec2 a_position; \
|
|
attribute vec3 a_color; \
|
|
\
|
|
uniform vec2 u_resolution; \
|
|
uniform vec2 u_scale; \
|
|
uniform vec2 u_offset; \
|
|
\
|
|
varying vec4 v_color; \
|
|
\
|
|
void main() { \
|
|
vec2 position = (a_position + u_offset) * u_scale; \
|
|
vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0; \
|
|
gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1); \
|
|
\
|
|
v_color = vec4(a_color / 255.0, 1.0); \
|
|
} ';
|
|
var figuresFragmentShaderCode = '\
|
|
precision mediump float; \
|
|
\
|
|
varying vec4 v_color; \
|
|
\
|
|
void main() { \
|
|
gl_FragColor = v_color; \
|
|
} ';
|
|
var figuresCache = null;
|
|
function initFiguresGL() {
|
|
var canvas, gl;
|
|
generateGL();
|
|
canvas = currentCanvas;
|
|
currentCanvas = null;
|
|
gl = currentGL;
|
|
currentGL = null;
|
|
var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
|
|
var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
|
|
var program = createProgram(gl, [
|
|
vertexShader,
|
|
fragmentShader
|
|
]);
|
|
gl.useProgram(program);
|
|
var cache = {};
|
|
cache.gl = gl;
|
|
cache.canvas = canvas;
|
|
cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
|
|
cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
|
|
cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
|
|
cache.positionLocation = gl.getAttribLocation(program, 'a_position');
|
|
cache.colorLocation = gl.getAttribLocation(program, 'a_color');
|
|
figuresCache = cache;
|
|
}
|
|
function drawFigures(width, height, backgroundColor, figures, context) {
|
|
if (!figuresCache) {
|
|
initFiguresGL();
|
|
}
|
|
var cache = figuresCache, canvas = cache.canvas, gl = cache.gl;
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
|
|
gl.uniform2f(cache.resolutionLocation, width, height);
|
|
var count = 0;
|
|
var i, ii, rows;
|
|
for (i = 0, ii = figures.length; i < ii; i++) {
|
|
switch (figures[i].type) {
|
|
case 'lattice':
|
|
rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
|
|
count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
|
|
break;
|
|
case 'triangles':
|
|
count += figures[i].coords.length;
|
|
break;
|
|
}
|
|
}
|
|
var coords = new Float32Array(count * 2);
|
|
var colors = new Uint8Array(count * 3);
|
|
var coordsMap = context.coords, colorsMap = context.colors;
|
|
var pIndex = 0, cIndex = 0;
|
|
for (i = 0, ii = figures.length; i < ii; i++) {
|
|
var figure = figures[i], ps = figure.coords, cs = figure.colors;
|
|
switch (figure.type) {
|
|
case 'lattice':
|
|
var cols = figure.verticesPerRow;
|
|
rows = ps.length / cols | 0;
|
|
for (var row = 1; row < rows; row++) {
|
|
var offset = row * cols + 1;
|
|
for (var col = 1; col < cols; col++, offset++) {
|
|
coords[pIndex] = coordsMap[ps[offset - cols - 1]];
|
|
coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
|
|
coords[pIndex + 2] = coordsMap[ps[offset - cols]];
|
|
coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
|
|
coords[pIndex + 4] = coordsMap[ps[offset - 1]];
|
|
coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
|
|
colors[cIndex] = colorsMap[cs[offset - cols - 1]];
|
|
colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
|
|
colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
|
|
colors[cIndex + 3] = colorsMap[cs[offset - cols]];
|
|
colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
|
|
colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
|
|
colors[cIndex + 6] = colorsMap[cs[offset - 1]];
|
|
colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
|
|
colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
|
|
coords[pIndex + 6] = coords[pIndex + 2];
|
|
coords[pIndex + 7] = coords[pIndex + 3];
|
|
coords[pIndex + 8] = coords[pIndex + 4];
|
|
coords[pIndex + 9] = coords[pIndex + 5];
|
|
coords[pIndex + 10] = coordsMap[ps[offset]];
|
|
coords[pIndex + 11] = coordsMap[ps[offset] + 1];
|
|
colors[cIndex + 9] = colors[cIndex + 3];
|
|
colors[cIndex + 10] = colors[cIndex + 4];
|
|
colors[cIndex + 11] = colors[cIndex + 5];
|
|
colors[cIndex + 12] = colors[cIndex + 6];
|
|
colors[cIndex + 13] = colors[cIndex + 7];
|
|
colors[cIndex + 14] = colors[cIndex + 8];
|
|
colors[cIndex + 15] = colorsMap[cs[offset]];
|
|
colors[cIndex + 16] = colorsMap[cs[offset] + 1];
|
|
colors[cIndex + 17] = colorsMap[cs[offset] + 2];
|
|
pIndex += 12;
|
|
cIndex += 18;
|
|
}
|
|
}
|
|
break;
|
|
case 'triangles':
|
|
for (var j = 0, jj = ps.length; j < jj; j++) {
|
|
coords[pIndex] = coordsMap[ps[j]];
|
|
coords[pIndex + 1] = coordsMap[ps[j] + 1];
|
|
colors[cIndex] = colorsMap[cs[j]];
|
|
colors[cIndex + 1] = colorsMap[cs[j] + 1];
|
|
colors[cIndex + 2] = colorsMap[cs[j] + 2];
|
|
pIndex += 2;
|
|
cIndex += 3;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (backgroundColor) {
|
|
gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
|
|
} else {
|
|
gl.clearColor(0, 0, 0, 0);
|
|
}
|
|
gl.clear(gl.COLOR_BUFFER_BIT);
|
|
var coordsBuffer = gl.createBuffer();
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
|
|
gl.enableVertexAttribArray(cache.positionLocation);
|
|
gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
|
|
var colorsBuffer = gl.createBuffer();
|
|
gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
|
|
gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
|
|
gl.enableVertexAttribArray(cache.colorLocation);
|
|
gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
|
|
gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
|
|
gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
|
|
gl.drawArrays(gl.TRIANGLES, 0, count);
|
|
gl.flush();
|
|
gl.deleteBuffer(coordsBuffer);
|
|
gl.deleteBuffer(colorsBuffer);
|
|
return canvas;
|
|
}
|
|
function cleanup() {
|
|
if (smaskCache && smaskCache.canvas) {
|
|
smaskCache.canvas.width = 0;
|
|
smaskCache.canvas.height = 0;
|
|
}
|
|
if (figuresCache && figuresCache.canvas) {
|
|
figuresCache.canvas.width = 0;
|
|
figuresCache.canvas.height = 0;
|
|
}
|
|
smaskCache = null;
|
|
figuresCache = null;
|
|
}
|
|
return {
|
|
get isEnabled() {
|
|
if (getDefaultSetting('disableWebGL')) {
|
|
return false;
|
|
}
|
|
var enabled = false;
|
|
try {
|
|
generateGL();
|
|
enabled = !!currentGL;
|
|
} catch (e) {
|
|
}
|
|
return shadow(this, 'isEnabled', enabled);
|
|
},
|
|
composeSMask: composeSMask,
|
|
drawFigures: drawFigures,
|
|
clear: cleanup
|
|
};
|
|
}();
|
|
exports.WebGLUtils = WebGLUtils;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayPatternHelper = {}, root.pdfjsSharedUtil, root.pdfjsDisplayWebGL);
|
|
}(this, function (exports, sharedUtil, displayWebGL) {
|
|
var Util = sharedUtil.Util;
|
|
var info = sharedUtil.info;
|
|
var isArray = sharedUtil.isArray;
|
|
var error = sharedUtil.error;
|
|
var WebGLUtils = displayWebGL.WebGLUtils;
|
|
var ShadingIRs = {};
|
|
ShadingIRs.RadialAxial = {
|
|
fromIR: function RadialAxial_fromIR(raw) {
|
|
var type = raw[1];
|
|
var colorStops = raw[2];
|
|
var p0 = raw[3];
|
|
var p1 = raw[4];
|
|
var r0 = raw[5];
|
|
var r1 = raw[6];
|
|
return {
|
|
type: 'Pattern',
|
|
getPattern: function RadialAxial_getPattern(ctx) {
|
|
var grad;
|
|
if (type === 'axial') {
|
|
grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
|
|
} else if (type === 'radial') {
|
|
grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
|
|
}
|
|
for (var i = 0, ii = colorStops.length; i < ii; ++i) {
|
|
var c = colorStops[i];
|
|
grad.addColorStop(c[0], c[1]);
|
|
}
|
|
return grad;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
var createMeshCanvas = function createMeshCanvasClosure() {
|
|
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
|
|
var coords = context.coords, colors = context.colors;
|
|
var bytes = data.data, rowSize = data.width * 4;
|
|
var tmp;
|
|
if (coords[p1 + 1] > coords[p2 + 1]) {
|
|
tmp = p1;
|
|
p1 = p2;
|
|
p2 = tmp;
|
|
tmp = c1;
|
|
c1 = c2;
|
|
c2 = tmp;
|
|
}
|
|
if (coords[p2 + 1] > coords[p3 + 1]) {
|
|
tmp = p2;
|
|
p2 = p3;
|
|
p3 = tmp;
|
|
tmp = c2;
|
|
c2 = c3;
|
|
c3 = tmp;
|
|
}
|
|
if (coords[p1 + 1] > coords[p2 + 1]) {
|
|
tmp = p1;
|
|
p1 = p2;
|
|
p2 = tmp;
|
|
tmp = c1;
|
|
c1 = c2;
|
|
c2 = tmp;
|
|
}
|
|
var x1 = (coords[p1] + context.offsetX) * context.scaleX;
|
|
var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
|
|
var x2 = (coords[p2] + context.offsetX) * context.scaleX;
|
|
var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
|
|
var x3 = (coords[p3] + context.offsetX) * context.scaleX;
|
|
var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
|
|
if (y1 >= y3) {
|
|
return;
|
|
}
|
|
var c1r = colors[c1], c1g = colors[c1 + 1], c1b = colors[c1 + 2];
|
|
var c2r = colors[c2], c2g = colors[c2 + 1], c2b = colors[c2 + 2];
|
|
var c3r = colors[c3], c3g = colors[c3 + 1], c3b = colors[c3 + 2];
|
|
var minY = Math.round(y1), maxY = Math.round(y3);
|
|
var xa, car, cag, cab;
|
|
var xb, cbr, cbg, cbb;
|
|
var k;
|
|
for (var y = minY; y <= maxY; y++) {
|
|
if (y < y2) {
|
|
k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
|
|
xa = x1 - (x1 - x2) * k;
|
|
car = c1r - (c1r - c2r) * k;
|
|
cag = c1g - (c1g - c2g) * k;
|
|
cab = c1b - (c1b - c2b) * k;
|
|
} else {
|
|
k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
|
|
xa = x2 - (x2 - x3) * k;
|
|
car = c2r - (c2r - c3r) * k;
|
|
cag = c2g - (c2g - c3g) * k;
|
|
cab = c2b - (c2b - c3b) * k;
|
|
}
|
|
k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
|
|
xb = x1 - (x1 - x3) * k;
|
|
cbr = c1r - (c1r - c3r) * k;
|
|
cbg = c1g - (c1g - c3g) * k;
|
|
cbb = c1b - (c1b - c3b) * k;
|
|
var x1_ = Math.round(Math.min(xa, xb));
|
|
var x2_ = Math.round(Math.max(xa, xb));
|
|
var j = rowSize * y + x1_ * 4;
|
|
for (var x = x1_; x <= x2_; x++) {
|
|
k = (xa - x) / (xa - xb);
|
|
k = k < 0 ? 0 : k > 1 ? 1 : k;
|
|
bytes[j++] = car - (car - cbr) * k | 0;
|
|
bytes[j++] = cag - (cag - cbg) * k | 0;
|
|
bytes[j++] = cab - (cab - cbb) * k | 0;
|
|
bytes[j++] = 255;
|
|
}
|
|
}
|
|
}
|
|
function drawFigure(data, figure, context) {
|
|
var ps = figure.coords;
|
|
var cs = figure.colors;
|
|
var i, ii;
|
|
switch (figure.type) {
|
|
case 'lattice':
|
|
var verticesPerRow = figure.verticesPerRow;
|
|
var rows = Math.floor(ps.length / verticesPerRow) - 1;
|
|
var cols = verticesPerRow - 1;
|
|
for (i = 0; i < rows; i++) {
|
|
var q = i * verticesPerRow;
|
|
for (var j = 0; j < cols; j++, q++) {
|
|
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
|
|
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
|
|
}
|
|
}
|
|
break;
|
|
case 'triangles':
|
|
for (i = 0, ii = ps.length; i < ii; i += 3) {
|
|
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
|
|
}
|
|
break;
|
|
default:
|
|
error('illigal figure');
|
|
break;
|
|
}
|
|
}
|
|
function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases) {
|
|
var EXPECTED_SCALE = 1.1;
|
|
var MAX_PATTERN_SIZE = 3000;
|
|
var BORDER_SIZE = 2;
|
|
var offsetX = Math.floor(bounds[0]);
|
|
var offsetY = Math.floor(bounds[1]);
|
|
var boundsWidth = Math.ceil(bounds[2]) - offsetX;
|
|
var boundsHeight = Math.ceil(bounds[3]) - offsetY;
|
|
var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
|
|
var scaleX = boundsWidth / width;
|
|
var scaleY = boundsHeight / height;
|
|
var context = {
|
|
coords: coords,
|
|
colors: colors,
|
|
offsetX: -offsetX,
|
|
offsetY: -offsetY,
|
|
scaleX: 1 / scaleX,
|
|
scaleY: 1 / scaleY
|
|
};
|
|
var paddedWidth = width + BORDER_SIZE * 2;
|
|
var paddedHeight = height + BORDER_SIZE * 2;
|
|
var canvas, tmpCanvas, i, ii;
|
|
if (WebGLUtils.isEnabled) {
|
|
canvas = WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
|
|
tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
|
|
tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
|
|
canvas = tmpCanvas.canvas;
|
|
} else {
|
|
tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
|
|
var tmpCtx = tmpCanvas.context;
|
|
var data = tmpCtx.createImageData(width, height);
|
|
if (backgroundColor) {
|
|
var bytes = data.data;
|
|
for (i = 0, ii = bytes.length; i < ii; i += 4) {
|
|
bytes[i] = backgroundColor[0];
|
|
bytes[i + 1] = backgroundColor[1];
|
|
bytes[i + 2] = backgroundColor[2];
|
|
bytes[i + 3] = 255;
|
|
}
|
|
}
|
|
for (i = 0; i < figures.length; i++) {
|
|
drawFigure(data, figures[i], context);
|
|
}
|
|
tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
|
|
canvas = tmpCanvas.canvas;
|
|
}
|
|
return {
|
|
canvas: canvas,
|
|
offsetX: offsetX - BORDER_SIZE * scaleX,
|
|
offsetY: offsetY - BORDER_SIZE * scaleY,
|
|
scaleX: scaleX,
|
|
scaleY: scaleY
|
|
};
|
|
}
|
|
return createMeshCanvas;
|
|
}();
|
|
ShadingIRs.Mesh = {
|
|
fromIR: function Mesh_fromIR(raw) {
|
|
var coords = raw[2];
|
|
var colors = raw[3];
|
|
var figures = raw[4];
|
|
var bounds = raw[5];
|
|
var matrix = raw[6];
|
|
var background = raw[8];
|
|
return {
|
|
type: 'Pattern',
|
|
getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
|
|
var scale;
|
|
if (shadingFill) {
|
|
scale = Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
|
|
} else {
|
|
scale = Util.singularValueDecompose2dScale(owner.baseTransform);
|
|
if (matrix) {
|
|
var matrixScale = Util.singularValueDecompose2dScale(matrix);
|
|
scale = [
|
|
scale[0] * matrixScale[0],
|
|
scale[1] * matrixScale[1]
|
|
];
|
|
}
|
|
}
|
|
var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases);
|
|
if (!shadingFill) {
|
|
ctx.setTransform.apply(ctx, owner.baseTransform);
|
|
if (matrix) {
|
|
ctx.transform.apply(ctx, matrix);
|
|
}
|
|
}
|
|
ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
|
|
ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
|
|
return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
|
|
}
|
|
};
|
|
}
|
|
};
|
|
ShadingIRs.Dummy = {
|
|
fromIR: function Dummy_fromIR() {
|
|
return {
|
|
type: 'Pattern',
|
|
getPattern: function Dummy_fromIR_getPattern() {
|
|
return 'hotpink';
|
|
}
|
|
};
|
|
}
|
|
};
|
|
function getShadingPatternFromIR(raw) {
|
|
var shadingIR = ShadingIRs[raw[0]];
|
|
if (!shadingIR) {
|
|
error('Unknown IR type: ' + raw[0]);
|
|
}
|
|
return shadingIR.fromIR(raw);
|
|
}
|
|
var TilingPattern = function TilingPatternClosure() {
|
|
var PaintType = {
|
|
COLORED: 1,
|
|
UNCOLORED: 2
|
|
};
|
|
var MAX_PATTERN_SIZE = 3000;
|
|
function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
|
|
this.operatorList = IR[2];
|
|
this.matrix = IR[3] || [
|
|
1,
|
|
0,
|
|
0,
|
|
1,
|
|
0,
|
|
0
|
|
];
|
|
this.bbox = IR[4];
|
|
this.xstep = IR[5];
|
|
this.ystep = IR[6];
|
|
this.paintType = IR[7];
|
|
this.tilingType = IR[8];
|
|
this.color = color;
|
|
this.canvasGraphicsFactory = canvasGraphicsFactory;
|
|
this.baseTransform = baseTransform;
|
|
this.type = 'Pattern';
|
|
this.ctx = ctx;
|
|
}
|
|
TilingPattern.prototype = {
|
|
createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
|
|
var operatorList = this.operatorList;
|
|
var bbox = this.bbox;
|
|
var xstep = this.xstep;
|
|
var ystep = this.ystep;
|
|
var paintType = this.paintType;
|
|
var tilingType = this.tilingType;
|
|
var color = this.color;
|
|
var canvasGraphicsFactory = this.canvasGraphicsFactory;
|
|
info('TilingType: ' + tilingType);
|
|
var x0 = bbox[0], y0 = bbox[1], x1 = bbox[2], y1 = bbox[3];
|
|
var topLeft = [
|
|
x0,
|
|
y0
|
|
];
|
|
var botRight = [
|
|
x0 + xstep,
|
|
y0 + ystep
|
|
];
|
|
var width = botRight[0] - topLeft[0];
|
|
var height = botRight[1] - topLeft[1];
|
|
var matrixScale = Util.singularValueDecompose2dScale(this.matrix);
|
|
var curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
|
|
var combinedScale = [
|
|
matrixScale[0] * curMatrixScale[0],
|
|
matrixScale[1] * curMatrixScale[1]
|
|
];
|
|
width = Math.min(Math.ceil(Math.abs(width * combinedScale[0])), MAX_PATTERN_SIZE);
|
|
height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])), MAX_PATTERN_SIZE);
|
|
var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', width, height, true);
|
|
var tmpCtx = tmpCanvas.context;
|
|
var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
|
|
graphics.groupLevel = owner.groupLevel;
|
|
this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
|
|
this.setScale(width, height, xstep, ystep);
|
|
this.transformToScale(graphics);
|
|
var tmpTranslate = [
|
|
1,
|
|
0,
|
|
0,
|
|
1,
|
|
-topLeft[0],
|
|
-topLeft[1]
|
|
];
|
|
graphics.transform.apply(graphics, tmpTranslate);
|
|
this.clipBbox(graphics, bbox, x0, y0, x1, y1);
|
|
graphics.executeOperatorList(operatorList);
|
|
return tmpCanvas.canvas;
|
|
},
|
|
setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
|
|
this.scale = [
|
|
width / xstep,
|
|
height / ystep
|
|
];
|
|
},
|
|
transformToScale: function TilingPattern_transformToScale(graphics) {
|
|
var scale = this.scale;
|
|
var tmpScale = [
|
|
scale[0],
|
|
0,
|
|
0,
|
|
scale[1],
|
|
0,
|
|
0
|
|
];
|
|
graphics.transform.apply(graphics, tmpScale);
|
|
},
|
|
scaleToContext: function TilingPattern_scaleToContext() {
|
|
var scale = this.scale;
|
|
this.ctx.scale(1 / scale[0], 1 / scale[1]);
|
|
},
|
|
clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
|
|
if (bbox && isArray(bbox) && bbox.length === 4) {
|
|
var bboxWidth = x1 - x0;
|
|
var bboxHeight = y1 - y0;
|
|
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
|
|
graphics.clip();
|
|
graphics.endPath();
|
|
}
|
|
},
|
|
setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(context, paintType, color) {
|
|
switch (paintType) {
|
|
case PaintType.COLORED:
|
|
var ctx = this.ctx;
|
|
context.fillStyle = ctx.fillStyle;
|
|
context.strokeStyle = ctx.strokeStyle;
|
|
break;
|
|
case PaintType.UNCOLORED:
|
|
var cssColor = Util.makeCssRgb(color[0], color[1], color[2]);
|
|
context.fillStyle = cssColor;
|
|
context.strokeStyle = cssColor;
|
|
break;
|
|
default:
|
|
error('Unsupported paint type: ' + paintType);
|
|
}
|
|
},
|
|
getPattern: function TilingPattern_getPattern(ctx, owner) {
|
|
var temporaryPatternCanvas = this.createPatternCanvas(owner);
|
|
ctx = this.ctx;
|
|
ctx.setTransform.apply(ctx, this.baseTransform);
|
|
ctx.transform.apply(ctx, this.matrix);
|
|
this.scaleToContext();
|
|
return ctx.createPattern(temporaryPatternCanvas, 'repeat');
|
|
}
|
|
};
|
|
return TilingPattern;
|
|
}();
|
|
exports.getShadingPatternFromIR = getShadingPatternFromIR;
|
|
exports.TilingPattern = TilingPattern;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayCanvas = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayPatternHelper, root.pdfjsDisplayWebGL);
|
|
}(this, function (exports, sharedUtil, displayDOMUtils, displayPatternHelper, displayWebGL) {
|
|
var FONT_IDENTITY_MATRIX = sharedUtil.FONT_IDENTITY_MATRIX;
|
|
var IDENTITY_MATRIX = sharedUtil.IDENTITY_MATRIX;
|
|
var ImageKind = sharedUtil.ImageKind;
|
|
var OPS = sharedUtil.OPS;
|
|
var TextRenderingMode = sharedUtil.TextRenderingMode;
|
|
var Uint32ArrayView = sharedUtil.Uint32ArrayView;
|
|
var Util = sharedUtil.Util;
|
|
var assert = sharedUtil.assert;
|
|
var info = sharedUtil.info;
|
|
var isNum = sharedUtil.isNum;
|
|
var isArray = sharedUtil.isArray;
|
|
var isLittleEndian = sharedUtil.isLittleEndian;
|
|
var error = sharedUtil.error;
|
|
var shadow = sharedUtil.shadow;
|
|
var warn = sharedUtil.warn;
|
|
var TilingPattern = displayPatternHelper.TilingPattern;
|
|
var getShadingPatternFromIR = displayPatternHelper.getShadingPatternFromIR;
|
|
var WebGLUtils = displayWebGL.WebGLUtils;
|
|
var hasCanvasTypedArrays = displayDOMUtils.hasCanvasTypedArrays;
|
|
var MIN_FONT_SIZE = 16;
|
|
var MAX_FONT_SIZE = 100;
|
|
var MAX_GROUP_SIZE = 4096;
|
|
var MIN_WIDTH_FACTOR = 0.65;
|
|
var COMPILE_TYPE3_GLYPHS = true;
|
|
var MAX_SIZE_TO_COMPILE = 1000;
|
|
var FULL_CHUNK_HEIGHT = 16;
|
|
var HasCanvasTypedArraysCached = {
|
|
get value() {
|
|
return shadow(HasCanvasTypedArraysCached, 'value', hasCanvasTypedArrays());
|
|
}
|
|
};
|
|
var IsLittleEndianCached = {
|
|
get value() {
|
|
return shadow(IsLittleEndianCached, 'value', isLittleEndian());
|
|
}
|
|
};
|
|
function createScratchCanvas(width, height) {
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
return canvas;
|
|
}
|
|
function addContextCurrentTransform(ctx) {
|
|
if (!ctx.mozCurrentTransform) {
|
|
ctx._originalSave = ctx.save;
|
|
ctx._originalRestore = ctx.restore;
|
|
ctx._originalRotate = ctx.rotate;
|
|
ctx._originalScale = ctx.scale;
|
|
ctx._originalTranslate = ctx.translate;
|
|
ctx._originalTransform = ctx.transform;
|
|
ctx._originalSetTransform = ctx.setTransform;
|
|
ctx._transformMatrix = ctx._transformMatrix || [
|
|
1,
|
|
0,
|
|
0,
|
|
1,
|
|
0,
|
|
0
|
|
];
|
|
ctx._transformStack = [];
|
|
Object.defineProperty(ctx, 'mozCurrentTransform', {
|
|
get: function getCurrentTransform() {
|
|
return this._transformMatrix;
|
|
}
|
|
});
|
|
Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
|
|
get: function getCurrentTransformInverse() {
|
|
var m = this._transformMatrix;
|
|
var a = m[0], b = m[1], c = m[2], d = m[3], e = m[4], f = m[5];
|
|
var ad_bc = a * d - b * c;
|
|
var bc_ad = b * c - a * d;
|
|
return [
|
|
d / ad_bc,
|
|
b / bc_ad,
|
|
c / bc_ad,
|
|
a / ad_bc,
|
|
(d * e - c * f) / bc_ad,
|
|
(b * e - a * f) / ad_bc
|
|
];
|
|
}
|
|
});
|
|
ctx.save = function ctxSave() {
|
|
var old = this._transformMatrix;
|
|
this._transformStack.push(old);
|
|
this._transformMatrix = old.slice(0, 6);
|
|
this._originalSave();
|
|
};
|
|
ctx.restore = function ctxRestore() {
|
|
var prev = this._transformStack.pop();
|
|
if (prev) {
|
|
this._transformMatrix = prev;
|
|
this._originalRestore();
|
|
}
|
|
};
|
|
ctx.translate = function ctxTranslate(x, y) {
|
|
var m = this._transformMatrix;
|
|
m[4] = m[0] * x + m[2] * y + m[4];
|
|
m[5] = m[1] * x + m[3] * y + m[5];
|
|
this._originalTranslate(x, y);
|
|
};
|
|
ctx.scale = function ctxScale(x, y) {
|
|
var m = this._transformMatrix;
|
|
m[0] = m[0] * x;
|
|
m[1] = m[1] * x;
|
|
m[2] = m[2] * y;
|
|
m[3] = m[3] * y;
|
|
this._originalScale(x, y);
|
|
};
|
|
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
|
|
var m = this._transformMatrix;
|
|
this._transformMatrix = [
|
|
m[0] * a + m[2] * b,
|
|
m[1] * a + m[3] * b,
|
|
m[0] * c + m[2] * d,
|
|
m[1] * c + m[3] * d,
|
|
m[0] * e + m[2] * f + m[4],
|
|
m[1] * e + m[3] * f + m[5]
|
|
];
|
|
ctx._originalTransform(a, b, c, d, e, f);
|
|
};
|
|
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
|
|
this._transformMatrix = [
|
|
a,
|
|
b,
|
|
c,
|
|
d,
|
|
e,
|
|
f
|
|
];
|
|
ctx._originalSetTransform(a, b, c, d, e, f);
|
|
};
|
|
ctx.rotate = function ctxRotate(angle) {
|
|
var cosValue = Math.cos(angle);
|
|
var sinValue = Math.sin(angle);
|
|
var m = this._transformMatrix;
|
|
this._transformMatrix = [
|
|
m[0] * cosValue + m[2] * sinValue,
|
|
m[1] * cosValue + m[3] * sinValue,
|
|
m[0] * -sinValue + m[2] * cosValue,
|
|
m[1] * -sinValue + m[3] * cosValue,
|
|
m[4],
|
|
m[5]
|
|
];
|
|
this._originalRotate(angle);
|
|
};
|
|
}
|
|
}
|
|
var CachedCanvases = function CachedCanvasesClosure() {
|
|
function CachedCanvases() {
|
|
this.cache = Object.create(null);
|
|
}
|
|
CachedCanvases.prototype = {
|
|
getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
|
|
var canvasEntry;
|
|
if (this.cache[id] !== undefined) {
|
|
canvasEntry = this.cache[id];
|
|
canvasEntry.canvas.width = width;
|
|
canvasEntry.canvas.height = height;
|
|
canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
|
|
} else {
|
|
var canvas = createScratchCanvas(width, height);
|
|
var ctx = canvas.getContext('2d');
|
|
if (trackTransform) {
|
|
addContextCurrentTransform(ctx);
|
|
}
|
|
this.cache[id] = canvasEntry = {
|
|
canvas: canvas,
|
|
context: ctx
|
|
};
|
|
}
|
|
return canvasEntry;
|
|
},
|
|
clear: function () {
|
|
for (var id in this.cache) {
|
|
var canvasEntry = this.cache[id];
|
|
canvasEntry.canvas.width = 0;
|
|
canvasEntry.canvas.height = 0;
|
|
delete this.cache[id];
|
|
}
|
|
}
|
|
};
|
|
return CachedCanvases;
|
|
}();
|
|
function compileType3Glyph(imgData) {
|
|
var POINT_TO_PROCESS_LIMIT = 1000;
|
|
var width = imgData.width, height = imgData.height;
|
|
var i, j, j0, width1 = width + 1;
|
|
var points = new Uint8Array(width1 * (height + 1));
|
|
var POINT_TYPES = new Uint8Array([
|
|
0,
|
|
2,
|
|
4,
|
|
0,
|
|
1,
|
|
0,
|
|
5,
|
|
4,
|
|
8,
|
|
10,
|
|
0,
|
|
8,
|
|
0,
|
|
2,
|
|
1,
|
|
0
|
|
]);
|
|
var lineSize = width + 7 & ~7, data0 = imgData.data;
|
|
var data = new Uint8Array(lineSize * height), pos = 0, ii;
|
|
for (i = 0, ii = data0.length; i < ii; i++) {
|
|
var mask = 128, elem = data0[i];
|
|
while (mask > 0) {
|
|
data[pos++] = elem & mask ? 0 : 255;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
var count = 0;
|
|
pos = 0;
|
|
if (data[pos] !== 0) {
|
|
points[0] = 1;
|
|
++count;
|
|
}
|
|
for (j = 1; j < width; j++) {
|
|
if (data[pos] !== data[pos + 1]) {
|
|
points[j] = data[pos] ? 2 : 1;
|
|
++count;
|
|
}
|
|
pos++;
|
|
}
|
|
if (data[pos] !== 0) {
|
|
points[j] = 2;
|
|
++count;
|
|
}
|
|
for (i = 1; i < height; i++) {
|
|
pos = i * lineSize;
|
|
j0 = i * width1;
|
|
if (data[pos - lineSize] !== data[pos]) {
|
|
points[j0] = data[pos] ? 1 : 8;
|
|
++count;
|
|
}
|
|
var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
|
|
for (j = 1; j < width; j++) {
|
|
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
|
|
if (POINT_TYPES[sum]) {
|
|
points[j0 + j] = POINT_TYPES[sum];
|
|
++count;
|
|
}
|
|
pos++;
|
|
}
|
|
if (data[pos - lineSize] !== data[pos]) {
|
|
points[j0 + j] = data[pos] ? 2 : 4;
|
|
++count;
|
|
}
|
|
if (count > POINT_TO_PROCESS_LIMIT) {
|
|
return null;
|
|
}
|
|
}
|
|
pos = lineSize * (height - 1);
|
|
j0 = i * width1;
|
|
if (data[pos] !== 0) {
|
|
points[j0] = 8;
|
|
++count;
|
|
}
|
|
for (j = 1; j < width; j++) {
|
|
if (data[pos] !== data[pos + 1]) {
|
|
points[j0 + j] = data[pos] ? 4 : 8;
|
|
++count;
|
|
}
|
|
pos++;
|
|
}
|
|
if (data[pos] !== 0) {
|
|
points[j0 + j] = 4;
|
|
++count;
|
|
}
|
|
if (count > POINT_TO_PROCESS_LIMIT) {
|
|
return null;
|
|
}
|
|
var steps = new Int32Array([
|
|
0,
|
|
width1,
|
|
-1,
|
|
0,
|
|
-width1,
|
|
0,
|
|
0,
|
|
0,
|
|
1
|
|
]);
|
|
var outlines = [];
|
|
for (i = 0; count && i <= height; i++) {
|
|
var p = i * width1;
|
|
var end = p + width;
|
|
while (p < end && !points[p]) {
|
|
p++;
|
|
}
|
|
if (p === end) {
|
|
continue;
|
|
}
|
|
var coords = [
|
|
p % width1,
|
|
i
|
|
];
|
|
var type = points[p], p0 = p, pp;
|
|
do {
|
|
var step = steps[type];
|
|
do {
|
|
p += step;
|
|
} while (!points[p]);
|
|
pp = points[p];
|
|
if (pp !== 5 && pp !== 10) {
|
|
type = pp;
|
|
points[p] = 0;
|
|
} else {
|
|
type = pp & 0x33 * type >> 4;
|
|
points[p] &= type >> 2 | type << 2;
|
|
}
|
|
coords.push(p % width1);
|
|
coords.push(p / width1 | 0);
|
|
--count;
|
|
} while (p0 !== p);
|
|
outlines.push(coords);
|
|
--i;
|
|
}
|
|
var drawOutline = function (c) {
|
|
c.save();
|
|
c.scale(1 / width, -1 / height);
|
|
c.translate(0, -height);
|
|
c.beginPath();
|
|
for (var i = 0, ii = outlines.length; i < ii; i++) {
|
|
var o = outlines[i];
|
|
c.moveTo(o[0], o[1]);
|
|
for (var j = 2, jj = o.length; j < jj; j += 2) {
|
|
c.lineTo(o[j], o[j + 1]);
|
|
}
|
|
}
|
|
c.fill();
|
|
c.beginPath();
|
|
c.restore();
|
|
};
|
|
return drawOutline;
|
|
}
|
|
var CanvasExtraState = function CanvasExtraStateClosure() {
|
|
function CanvasExtraState(old) {
|
|
this.alphaIsShape = false;
|
|
this.fontSize = 0;
|
|
this.fontSizeScale = 1;
|
|
this.textMatrix = IDENTITY_MATRIX;
|
|
this.textMatrixScale = 1;
|
|
this.fontMatrix = 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 = TextRenderingMode.FILL;
|
|
this.textRise = 0;
|
|
this.fillColor = '#000000';
|
|
this.strokeColor = '#000000';
|
|
this.patternFill = false;
|
|
this.fillAlpha = 1;
|
|
this.strokeAlpha = 1;
|
|
this.lineWidth = 1;
|
|
this.activeSMask = null;
|
|
this.resumeSMaskCtx = null;
|
|
this.old = old;
|
|
}
|
|
CanvasExtraState.prototype = {
|
|
clone: function CanvasExtraState_clone() {
|
|
return Object.create(this);
|
|
},
|
|
setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
};
|
|
return CanvasExtraState;
|
|
}();
|
|
var CanvasGraphics = function CanvasGraphicsClosure() {
|
|
var EXECUTION_TIME = 15;
|
|
var EXECUTION_STEPS = 10;
|
|
function CanvasGraphics(canvasCtx, commonObjs, objs, imageLayer) {
|
|
this.ctx = canvasCtx;
|
|
this.current = new CanvasExtraState();
|
|
this.stateStack = [];
|
|
this.pendingClip = null;
|
|
this.pendingEOFill = false;
|
|
this.res = null;
|
|
this.xobjs = null;
|
|
this.commonObjs = commonObjs;
|
|
this.objs = objs;
|
|
this.imageLayer = imageLayer;
|
|
this.groupStack = [];
|
|
this.processingType3 = null;
|
|
this.baseTransform = null;
|
|
this.baseTransformStack = [];
|
|
this.groupLevel = 0;
|
|
this.smaskStack = [];
|
|
this.smaskCounter = 0;
|
|
this.tempSMask = null;
|
|
this.cachedCanvases = new CachedCanvases();
|
|
if (canvasCtx) {
|
|
addContextCurrentTransform(canvasCtx);
|
|
}
|
|
this.cachedGetSinglePixelWidth = null;
|
|
}
|
|
function putBinaryImageData(ctx, imgData) {
|
|
if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
|
|
ctx.putImageData(imgData, 0, 0);
|
|
return;
|
|
}
|
|
var height = imgData.height, width = imgData.width;
|
|
var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
var srcPos = 0, destPos;
|
|
var src = imgData.data;
|
|
var dest = chunkImgData.data;
|
|
var i, j, thisChunkHeight, elemsInThisChunk;
|
|
if (imgData.kind === ImageKind.GRAYSCALE_1BPP) {
|
|
var srcLength = src.byteLength;
|
|
var dest32 = HasCanvasTypedArraysCached.value ? new Uint32Array(dest.buffer) : new Uint32ArrayView(dest);
|
|
var dest32DataLength = dest32.length;
|
|
var fullSrcDiff = width + 7 >> 3;
|
|
var white = 0xFFFFFFFF;
|
|
var black = IsLittleEndianCached.value || !HasCanvasTypedArraysCached.value ? 0xFF000000 : 0x000000FF;
|
|
for (i = 0; i < totalChunks; i++) {
|
|
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
destPos = 0;
|
|
for (j = 0; j < thisChunkHeight; j++) {
|
|
var srcDiff = srcLength - srcPos;
|
|
var k = 0;
|
|
var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
|
|
var kEndUnrolled = kEnd & ~7;
|
|
var mask = 0;
|
|
var srcByte = 0;
|
|
for (; k < kEndUnrolled; k += 8) {
|
|
srcByte = src[srcPos++];
|
|
dest32[destPos++] = srcByte & 128 ? white : black;
|
|
dest32[destPos++] = srcByte & 64 ? white : black;
|
|
dest32[destPos++] = srcByte & 32 ? white : black;
|
|
dest32[destPos++] = srcByte & 16 ? white : black;
|
|
dest32[destPos++] = srcByte & 8 ? white : black;
|
|
dest32[destPos++] = srcByte & 4 ? white : black;
|
|
dest32[destPos++] = srcByte & 2 ? white : black;
|
|
dest32[destPos++] = srcByte & 1 ? white : black;
|
|
}
|
|
for (; k < kEnd; k++) {
|
|
if (mask === 0) {
|
|
srcByte = src[srcPos++];
|
|
mask = 128;
|
|
}
|
|
dest32[destPos++] = srcByte & mask ? white : black;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
while (destPos < dest32DataLength) {
|
|
dest32[destPos++] = 0;
|
|
}
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else if (imgData.kind === ImageKind.RGBA_32BPP) {
|
|
j = 0;
|
|
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
|
|
for (i = 0; i < fullChunks; i++) {
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
srcPos += elemsInThisChunk;
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
j += FULL_CHUNK_HEIGHT;
|
|
}
|
|
if (i < totalChunks) {
|
|
elemsInThisChunk = width * partialChunkHeight * 4;
|
|
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
|
|
ctx.putImageData(chunkImgData, 0, j);
|
|
}
|
|
} else if (imgData.kind === ImageKind.RGB_24BPP) {
|
|
thisChunkHeight = FULL_CHUNK_HEIGHT;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
for (i = 0; i < totalChunks; i++) {
|
|
if (i >= fullChunks) {
|
|
thisChunkHeight = partialChunkHeight;
|
|
elemsInThisChunk = width * thisChunkHeight;
|
|
}
|
|
destPos = 0;
|
|
for (j = elemsInThisChunk; j--;) {
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = src[srcPos++];
|
|
dest[destPos++] = 255;
|
|
}
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
} else {
|
|
error('bad image kind: ' + imgData.kind);
|
|
}
|
|
}
|
|
function putBinaryImageMask(ctx, imgData) {
|
|
var height = imgData.height, width = imgData.width;
|
|
var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
|
|
var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
|
|
var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
|
|
var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
|
|
var srcPos = 0;
|
|
var src = imgData.data;
|
|
var dest = chunkImgData.data;
|
|
for (var i = 0; i < totalChunks; i++) {
|
|
var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
|
|
var destPos = 3;
|
|
for (var j = 0; j < thisChunkHeight; j++) {
|
|
var mask = 0;
|
|
for (var k = 0; k < width; k++) {
|
|
if (!mask) {
|
|
var elem = src[srcPos++];
|
|
mask = 128;
|
|
}
|
|
dest[destPos] = elem & mask ? 0 : 255;
|
|
destPos += 4;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
|
|
}
|
|
}
|
|
function copyCtxState(sourceCtx, destCtx) {
|
|
var properties = [
|
|
'strokeStyle',
|
|
'fillStyle',
|
|
'fillRule',
|
|
'globalAlpha',
|
|
'lineWidth',
|
|
'lineCap',
|
|
'lineJoin',
|
|
'miterLimit',
|
|
'globalCompositeOperation',
|
|
'font'
|
|
];
|
|
for (var i = 0, ii = properties.length; i < ii; i++) {
|
|
var property = properties[i];
|
|
if (sourceCtx[property] !== undefined) {
|
|
destCtx[property] = sourceCtx[property];
|
|
}
|
|
}
|
|
if (sourceCtx.setLineDash !== undefined) {
|
|
destCtx.setLineDash(sourceCtx.getLineDash());
|
|
destCtx.lineDashOffset = sourceCtx.lineDashOffset;
|
|
}
|
|
}
|
|
function composeSMaskBackdrop(bytes, r0, g0, b0) {
|
|
var length = bytes.length;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var alpha = bytes[i];
|
|
if (alpha === 0) {
|
|
bytes[i - 3] = r0;
|
|
bytes[i - 2] = g0;
|
|
bytes[i - 1] = b0;
|
|
} else if (alpha < 255) {
|
|
var alpha_ = 255 - alpha;
|
|
bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
|
|
bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
|
|
bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
|
|
}
|
|
}
|
|
}
|
|
function composeSMaskAlpha(maskData, layerData, transferMap) {
|
|
var length = maskData.length;
|
|
var scale = 1 / 255;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
|
|
layerData[i] = layerData[i] * alpha * scale | 0;
|
|
}
|
|
}
|
|
function composeSMaskLuminosity(maskData, layerData, transferMap) {
|
|
var length = maskData.length;
|
|
for (var i = 3; i < length; i += 4) {
|
|
var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
|
|
layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
|
|
}
|
|
}
|
|
function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
|
|
var hasBackdrop = !!backdrop;
|
|
var r0 = hasBackdrop ? backdrop[0] : 0;
|
|
var g0 = hasBackdrop ? backdrop[1] : 0;
|
|
var b0 = hasBackdrop ? backdrop[2] : 0;
|
|
var composeFn;
|
|
if (subtype === 'Luminosity') {
|
|
composeFn = composeSMaskLuminosity;
|
|
} else {
|
|
composeFn = composeSMaskAlpha;
|
|
}
|
|
var PIXELS_TO_PROCESS = 1048576;
|
|
var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
|
|
for (var row = 0; row < height; row += chunkSize) {
|
|
var chunkHeight = Math.min(chunkSize, height - row);
|
|
var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
|
|
var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
|
|
if (hasBackdrop) {
|
|
composeSMaskBackdrop(maskData.data, r0, g0, b0);
|
|
}
|
|
composeFn(maskData.data, layerData.data, transferMap);
|
|
maskCtx.putImageData(layerData, 0, row);
|
|
}
|
|
}
|
|
function composeSMask(ctx, smask, layerCtx) {
|
|
var mask = smask.canvas;
|
|
var maskCtx = smask.context;
|
|
ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
|
|
var backdrop = smask.backdrop || null;
|
|
if (!smask.transferMap && WebGLUtils.isEnabled) {
|
|
var composed = WebGLUtils.composeSMask(layerCtx.canvas, mask, {
|
|
subtype: smask.subtype,
|
|
backdrop: backdrop
|
|
});
|
|
ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
ctx.drawImage(composed, smask.offsetX, smask.offsetY);
|
|
return;
|
|
}
|
|
genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
|
|
ctx.drawImage(mask, 0, 0);
|
|
}
|
|
var LINE_CAP_STYLES = [
|
|
'butt',
|
|
'round',
|
|
'square'
|
|
];
|
|
var LINE_JOIN_STYLES = [
|
|
'miter',
|
|
'round',
|
|
'bevel'
|
|
];
|
|
var NORMAL_CLIP = {};
|
|
var EO_CLIP = {};
|
|
CanvasGraphics.prototype = {
|
|
beginDrawing: function CanvasGraphics_beginDrawing(transform, viewport, transparency) {
|
|
var width = this.ctx.canvas.width;
|
|
var height = this.ctx.canvas.height;
|
|
this.ctx.save();
|
|
this.ctx.fillStyle = 'rgb(255, 255, 255)';
|
|
this.ctx.fillRect(0, 0, width, height);
|
|
this.ctx.restore();
|
|
if (transparency) {
|
|
var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
|
|
this.compositeCtx = this.ctx;
|
|
this.transparentCanvas = transparentCanvas.canvas;
|
|
this.ctx = transparentCanvas.context;
|
|
this.ctx.save();
|
|
this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
|
|
}
|
|
this.ctx.save();
|
|
if (transform) {
|
|
this.ctx.transform.apply(this.ctx, transform);
|
|
}
|
|
this.ctx.transform.apply(this.ctx, viewport.transform);
|
|
this.baseTransform = this.ctx.mozCurrentTransform.slice();
|
|
if (this.imageLayer) {
|
|
this.imageLayer.beginLayout();
|
|
}
|
|
},
|
|
executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
|
|
var argsArray = operatorList.argsArray;
|
|
var fnArray = operatorList.fnArray;
|
|
var i = executionStartIdx || 0;
|
|
var argsArrayLen = argsArray.length;
|
|
if (argsArrayLen === i) {
|
|
return i;
|
|
}
|
|
var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
|
|
var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
|
|
var steps = 0;
|
|
var commonObjs = this.commonObjs;
|
|
var objs = this.objs;
|
|
var fnId;
|
|
while (true) {
|
|
if (stepper !== undefined && i === stepper.nextBreakPoint) {
|
|
stepper.breakIt(i, continueCallback);
|
|
return i;
|
|
}
|
|
fnId = fnArray[i];
|
|
if (fnId !== OPS.dependency) {
|
|
this[fnId].apply(this, argsArray[i]);
|
|
} else {
|
|
var deps = argsArray[i];
|
|
for (var n = 0, nn = deps.length; n < nn; n++) {
|
|
var depObjId = deps[n];
|
|
var common = depObjId[0] === 'g' && depObjId[1] === '_';
|
|
var objsPool = common ? commonObjs : objs;
|
|
if (!objsPool.isResolved(depObjId)) {
|
|
objsPool.get(depObjId, continueCallback);
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
i++;
|
|
if (i === argsArrayLen) {
|
|
return i;
|
|
}
|
|
if (chunkOperations && ++steps > EXECUTION_STEPS) {
|
|
if (Date.now() > endTime) {
|
|
continueCallback();
|
|
return i;
|
|
}
|
|
steps = 0;
|
|
}
|
|
}
|
|
},
|
|
endDrawing: function CanvasGraphics_endDrawing() {
|
|
if (this.current.activeSMask !== null) {
|
|
this.endSMaskGroup();
|
|
}
|
|
this.ctx.restore();
|
|
if (this.transparentCanvas) {
|
|
this.ctx = this.compositeCtx;
|
|
this.ctx.save();
|
|
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
|
|
this.ctx.drawImage(this.transparentCanvas, 0, 0);
|
|
this.ctx.restore();
|
|
this.transparentCanvas = null;
|
|
}
|
|
this.cachedCanvases.clear();
|
|
WebGLUtils.clear();
|
|
if (this.imageLayer) {
|
|
this.imageLayer.endLayout();
|
|
}
|
|
},
|
|
setLineWidth: function CanvasGraphics_setLineWidth(width) {
|
|
this.current.lineWidth = width;
|
|
this.ctx.lineWidth = width;
|
|
},
|
|
setLineCap: function CanvasGraphics_setLineCap(style) {
|
|
this.ctx.lineCap = LINE_CAP_STYLES[style];
|
|
},
|
|
setLineJoin: function CanvasGraphics_setLineJoin(style) {
|
|
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
|
|
},
|
|
setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
|
|
this.ctx.miterLimit = limit;
|
|
},
|
|
setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
|
|
var ctx = this.ctx;
|
|
if (ctx.setLineDash !== undefined) {
|
|
ctx.setLineDash(dashArray);
|
|
ctx.lineDashOffset = dashPhase;
|
|
}
|
|
},
|
|
setRenderingIntent: function CanvasGraphics_setRenderingIntent(intent) {
|
|
},
|
|
setFlatness: function CanvasGraphics_setFlatness(flatness) {
|
|
},
|
|
setGState: function CanvasGraphics_setGState(states) {
|
|
for (var i = 0, ii = states.length; i < ii; i++) {
|
|
var state = states[i];
|
|
var key = state[0];
|
|
var value = state[1];
|
|
switch (key) {
|
|
case 'LW':
|
|
this.setLineWidth(value);
|
|
break;
|
|
case 'LC':
|
|
this.setLineCap(value);
|
|
break;
|
|
case 'LJ':
|
|
this.setLineJoin(value);
|
|
break;
|
|
case 'ML':
|
|
this.setMiterLimit(value);
|
|
break;
|
|
case 'D':
|
|
this.setDash(value[0], value[1]);
|
|
break;
|
|
case 'RI':
|
|
this.setRenderingIntent(value);
|
|
break;
|
|
case 'FL':
|
|
this.setFlatness(value);
|
|
break;
|
|
case 'Font':
|
|
this.setFont(value[0], value[1]);
|
|
break;
|
|
case 'CA':
|
|
this.current.strokeAlpha = state[1];
|
|
break;
|
|
case 'ca':
|
|
this.current.fillAlpha = state[1];
|
|
this.ctx.globalAlpha = state[1];
|
|
break;
|
|
case 'BM':
|
|
if (value && value.name && value.name !== 'Normal') {
|
|
var mode = value.name.replace(/([A-Z])/g, function (c) {
|
|
return '-' + c.toLowerCase();
|
|
}).substring(1);
|
|
this.ctx.globalCompositeOperation = mode;
|
|
if (this.ctx.globalCompositeOperation !== mode) {
|
|
warn('globalCompositeOperation "' + mode + '" is not supported');
|
|
}
|
|
} else {
|
|
this.ctx.globalCompositeOperation = 'source-over';
|
|
}
|
|
break;
|
|
case 'SMask':
|
|
if (this.current.activeSMask) {
|
|
if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
|
|
this.suspendSMaskGroup();
|
|
} else {
|
|
this.endSMaskGroup();
|
|
}
|
|
}
|
|
this.current.activeSMask = value ? this.tempSMask : null;
|
|
if (this.current.activeSMask) {
|
|
this.beginSMaskGroup();
|
|
}
|
|
this.tempSMask = null;
|
|
break;
|
|
}
|
|
}
|
|
},
|
|
beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
|
|
var activeSMask = this.current.activeSMask;
|
|
var drawnWidth = activeSMask.canvas.width;
|
|
var drawnHeight = activeSMask.canvas.height;
|
|
var cacheId = 'smaskGroupAt' + this.groupLevel;
|
|
var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
var currentCtx = this.ctx;
|
|
var currentTransform = currentCtx.mozCurrentTransform;
|
|
this.ctx.save();
|
|
var groupCtx = scratchCanvas.context;
|
|
groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
|
|
groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
|
|
groupCtx.transform.apply(groupCtx, currentTransform);
|
|
activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
|
|
copyCtxState(currentCtx, groupCtx);
|
|
this.ctx = groupCtx;
|
|
this.setGState([
|
|
[
|
|
'BM',
|
|
'Normal'
|
|
],
|
|
[
|
|
'ca',
|
|
1
|
|
],
|
|
[
|
|
'CA',
|
|
1
|
|
]
|
|
]);
|
|
this.groupStack.push(currentCtx);
|
|
this.groupLevel++;
|
|
},
|
|
suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
|
|
var groupCtx = this.ctx;
|
|
this.groupLevel--;
|
|
this.ctx = this.groupStack.pop();
|
|
composeSMask(this.ctx, this.current.activeSMask, groupCtx);
|
|
this.ctx.restore();
|
|
this.ctx.save();
|
|
copyCtxState(groupCtx, this.ctx);
|
|
this.current.resumeSMaskCtx = groupCtx;
|
|
var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
|
|
this.ctx.transform.apply(this.ctx, deltaTransform);
|
|
groupCtx.save();
|
|
groupCtx.setTransform(1, 0, 0, 1, 0, 0);
|
|
groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
|
|
groupCtx.restore();
|
|
},
|
|
resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
|
|
var groupCtx = this.current.resumeSMaskCtx;
|
|
var currentCtx = this.ctx;
|
|
this.ctx = groupCtx;
|
|
this.groupStack.push(currentCtx);
|
|
this.groupLevel++;
|
|
},
|
|
endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
|
|
var groupCtx = this.ctx;
|
|
this.groupLevel--;
|
|
this.ctx = this.groupStack.pop();
|
|
composeSMask(this.ctx, this.current.activeSMask, groupCtx);
|
|
this.ctx.restore();
|
|
copyCtxState(groupCtx, this.ctx);
|
|
var deltaTransform = Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
|
|
this.ctx.transform.apply(this.ctx, deltaTransform);
|
|
},
|
|
save: function CanvasGraphics_save() {
|
|
this.ctx.save();
|
|
var old = this.current;
|
|
this.stateStack.push(old);
|
|
this.current = old.clone();
|
|
this.current.resumeSMaskCtx = null;
|
|
},
|
|
restore: function CanvasGraphics_restore() {
|
|
if (this.current.resumeSMaskCtx) {
|
|
this.resumeSMaskGroup();
|
|
}
|
|
if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
|
|
this.endSMaskGroup();
|
|
}
|
|
if (this.stateStack.length !== 0) {
|
|
this.current = this.stateStack.pop();
|
|
this.ctx.restore();
|
|
this.pendingClip = null;
|
|
this.cachedGetSinglePixelWidth = null;
|
|
}
|
|
},
|
|
transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
|
|
this.ctx.transform(a, b, c, d, e, f);
|
|
this.cachedGetSinglePixelWidth = null;
|
|
},
|
|
constructPath: function CanvasGraphics_constructPath(ops, args) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var x = current.x, y = current.y;
|
|
for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
|
|
switch (ops[i] | 0) {
|
|
case OPS.rectangle:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
var width = args[j++];
|
|
var height = args[j++];
|
|
if (width === 0) {
|
|
width = this.getSinglePixelWidth();
|
|
}
|
|
if (height === 0) {
|
|
height = this.getSinglePixelWidth();
|
|
}
|
|
var xw = x + width;
|
|
var yh = y + height;
|
|
this.ctx.moveTo(x, y);
|
|
this.ctx.lineTo(xw, y);
|
|
this.ctx.lineTo(xw, yh);
|
|
this.ctx.lineTo(x, yh);
|
|
this.ctx.lineTo(x, y);
|
|
this.ctx.closePath();
|
|
break;
|
|
case OPS.moveTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.moveTo(x, y);
|
|
break;
|
|
case OPS.lineTo:
|
|
x = args[j++];
|
|
y = args[j++];
|
|
ctx.lineTo(x, y);
|
|
break;
|
|
case OPS.curveTo:
|
|
x = args[j + 4];
|
|
y = args[j + 5];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
|
|
j += 6;
|
|
break;
|
|
case OPS.curveTo2:
|
|
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
j += 4;
|
|
break;
|
|
case OPS.curveTo3:
|
|
x = args[j + 2];
|
|
y = args[j + 3];
|
|
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
|
|
j += 4;
|
|
break;
|
|
case OPS.closePath:
|
|
ctx.closePath();
|
|
break;
|
|
}
|
|
}
|
|
current.setCurrentPoint(x, y);
|
|
},
|
|
closePath: function CanvasGraphics_closePath() {
|
|
this.ctx.closePath();
|
|
},
|
|
stroke: function CanvasGraphics_stroke(consumePath) {
|
|
consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
|
|
var ctx = this.ctx;
|
|
var strokeColor = this.current.strokeColor;
|
|
ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
|
|
ctx.globalAlpha = this.current.strokeAlpha;
|
|
if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
|
|
ctx.save();
|
|
ctx.strokeStyle = strokeColor.getPattern(ctx, this);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
} else {
|
|
ctx.stroke();
|
|
}
|
|
if (consumePath) {
|
|
this.consumePath();
|
|
}
|
|
ctx.globalAlpha = this.current.fillAlpha;
|
|
},
|
|
closeStroke: function CanvasGraphics_closeStroke() {
|
|
this.closePath();
|
|
this.stroke();
|
|
},
|
|
fill: function CanvasGraphics_fill(consumePath) {
|
|
consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
|
|
var ctx = this.ctx;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var needRestore = false;
|
|
if (isPatternFill) {
|
|
ctx.save();
|
|
if (this.baseTransform) {
|
|
ctx.setTransform.apply(ctx, this.baseTransform);
|
|
}
|
|
ctx.fillStyle = fillColor.getPattern(ctx, this);
|
|
needRestore = true;
|
|
}
|
|
if (this.pendingEOFill) {
|
|
if (ctx.mozFillRule !== undefined) {
|
|
ctx.mozFillRule = 'evenodd';
|
|
ctx.fill();
|
|
ctx.mozFillRule = 'nonzero';
|
|
} else {
|
|
ctx.fill('evenodd');
|
|
}
|
|
this.pendingEOFill = false;
|
|
} else {
|
|
ctx.fill();
|
|
}
|
|
if (needRestore) {
|
|
ctx.restore();
|
|
}
|
|
if (consumePath) {
|
|
this.consumePath();
|
|
}
|
|
},
|
|
eoFill: function CanvasGraphics_eoFill() {
|
|
this.pendingEOFill = true;
|
|
this.fill();
|
|
},
|
|
fillStroke: function CanvasGraphics_fillStroke() {
|
|
this.fill(false);
|
|
this.stroke(false);
|
|
this.consumePath();
|
|
},
|
|
eoFillStroke: function CanvasGraphics_eoFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.fillStroke();
|
|
},
|
|
closeFillStroke: function CanvasGraphics_closeFillStroke() {
|
|
this.closePath();
|
|
this.fillStroke();
|
|
},
|
|
closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
|
|
this.pendingEOFill = true;
|
|
this.closePath();
|
|
this.fillStroke();
|
|
},
|
|
endPath: function CanvasGraphics_endPath() {
|
|
this.consumePath();
|
|
},
|
|
clip: function CanvasGraphics_clip() {
|
|
this.pendingClip = NORMAL_CLIP;
|
|
},
|
|
eoClip: function CanvasGraphics_eoClip() {
|
|
this.pendingClip = EO_CLIP;
|
|
},
|
|
beginText: function CanvasGraphics_beginText() {
|
|
this.current.textMatrix = IDENTITY_MATRIX;
|
|
this.current.textMatrixScale = 1;
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
},
|
|
endText: function CanvasGraphics_endText() {
|
|
var paths = this.pendingTextPaths;
|
|
var ctx = this.ctx;
|
|
if (paths === undefined) {
|
|
ctx.beginPath();
|
|
return;
|
|
}
|
|
ctx.save();
|
|
ctx.beginPath();
|
|
for (var i = 0; i < paths.length; i++) {
|
|
var path = paths[i];
|
|
ctx.setTransform.apply(ctx, path.transform);
|
|
ctx.translate(path.x, path.y);
|
|
path.addToPath(ctx, path.fontSize);
|
|
}
|
|
ctx.restore();
|
|
ctx.clip();
|
|
ctx.beginPath();
|
|
delete this.pendingTextPaths;
|
|
},
|
|
setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
|
|
this.current.charSpacing = spacing;
|
|
},
|
|
setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
|
|
this.current.wordSpacing = spacing;
|
|
},
|
|
setHScale: function CanvasGraphics_setHScale(scale) {
|
|
this.current.textHScale = scale / 100;
|
|
},
|
|
setLeading: function CanvasGraphics_setLeading(leading) {
|
|
this.current.leading = -leading;
|
|
},
|
|
setFont: function CanvasGraphics_setFont(fontRefName, size) {
|
|
var fontObj = this.commonObjs.get(fontRefName);
|
|
var current = this.current;
|
|
if (!fontObj) {
|
|
error('Can\'t find font for ' + fontRefName);
|
|
}
|
|
current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : FONT_IDENTITY_MATRIX;
|
|
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
|
|
warn('Invalid font matrix for font ' + fontRefName);
|
|
}
|
|
if (size < 0) {
|
|
size = -size;
|
|
current.fontDirection = -1;
|
|
} else {
|
|
current.fontDirection = 1;
|
|
}
|
|
this.current.font = fontObj;
|
|
this.current.fontSize = size;
|
|
if (fontObj.isType3Font) {
|
|
return;
|
|
}
|
|
var name = fontObj.loadedName || 'sans-serif';
|
|
var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
|
|
var italic = fontObj.italic ? 'italic' : 'normal';
|
|
var typeface = '"' + name + '", ' + fontObj.fallbackName;
|
|
var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
|
|
this.current.fontSizeScale = size / browserFontSize;
|
|
var rule = italic + ' ' + bold + ' ' + browserFontSize + 'px ' + typeface;
|
|
this.ctx.font = rule;
|
|
},
|
|
setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
|
|
this.current.textRenderingMode = mode;
|
|
},
|
|
setTextRise: function CanvasGraphics_setTextRise(rise) {
|
|
this.current.textRise = rise;
|
|
},
|
|
moveText: function CanvasGraphics_moveText(x, y) {
|
|
this.current.x = this.current.lineX += x;
|
|
this.current.y = this.current.lineY += y;
|
|
},
|
|
setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
|
|
this.setLeading(-y);
|
|
this.moveText(x, y);
|
|
},
|
|
setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
|
|
this.current.textMatrix = [
|
|
a,
|
|
b,
|
|
c,
|
|
d,
|
|
e,
|
|
f
|
|
];
|
|
this.current.textMatrixScale = Math.sqrt(a * a + b * b);
|
|
this.current.x = this.current.lineX = 0;
|
|
this.current.y = this.current.lineY = 0;
|
|
},
|
|
nextLine: function CanvasGraphics_nextLine() {
|
|
this.moveText(0, this.current.leading);
|
|
},
|
|
paintChar: function CanvasGraphics_paintChar(character, x, y) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var font = current.font;
|
|
var textRenderingMode = current.textRenderingMode;
|
|
var fontSize = current.fontSize / current.fontSizeScale;
|
|
var fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
|
|
var isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
|
|
var addToPath;
|
|
if (font.disableFontFace || isAddToPathSet) {
|
|
addToPath = font.getPathGenerator(this.commonObjs, character);
|
|
}
|
|
if (font.disableFontFace) {
|
|
ctx.save();
|
|
ctx.translate(x, y);
|
|
ctx.beginPath();
|
|
addToPath(ctx, fontSize);
|
|
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
|
ctx.fill();
|
|
}
|
|
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
|
ctx.stroke();
|
|
}
|
|
ctx.restore();
|
|
} else {
|
|
if (fillStrokeMode === TextRenderingMode.FILL || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
|
ctx.fillText(character, x, y);
|
|
}
|
|
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
|
ctx.strokeText(character, x, y);
|
|
}
|
|
}
|
|
if (isAddToPathSet) {
|
|
var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
|
|
paths.push({
|
|
transform: ctx.mozCurrentTransform,
|
|
x: x,
|
|
y: y,
|
|
fontSize: fontSize,
|
|
addToPath: addToPath
|
|
});
|
|
}
|
|
},
|
|
get isFontSubpixelAAEnabled() {
|
|
var ctx = document.createElement('canvas').getContext('2d');
|
|
ctx.scale(1.5, 1);
|
|
ctx.fillText('I', 0, 10);
|
|
var data = ctx.getImageData(0, 0, 10, 10).data;
|
|
var enabled = false;
|
|
for (var i = 3; i < data.length; i += 4) {
|
|
if (data[i] > 0 && data[i] < 255) {
|
|
enabled = true;
|
|
break;
|
|
}
|
|
}
|
|
return shadow(this, 'isFontSubpixelAAEnabled', enabled);
|
|
},
|
|
showText: function CanvasGraphics_showText(glyphs) {
|
|
var current = this.current;
|
|
var font = current.font;
|
|
if (font.isType3Font) {
|
|
return this.showType3Text(glyphs);
|
|
}
|
|
var fontSize = current.fontSize;
|
|
if (fontSize === 0) {
|
|
return;
|
|
}
|
|
var ctx = this.ctx;
|
|
var fontSizeScale = current.fontSizeScale;
|
|
var charSpacing = current.charSpacing;
|
|
var wordSpacing = current.wordSpacing;
|
|
var fontDirection = current.fontDirection;
|
|
var textHScale = current.textHScale * fontDirection;
|
|
var glyphsLength = glyphs.length;
|
|
var vertical = font.vertical;
|
|
var spacingDir = vertical ? 1 : -1;
|
|
var defaultVMetrics = font.defaultVMetrics;
|
|
var widthAdvanceScale = fontSize * current.fontMatrix[0];
|
|
var simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace;
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, current.textMatrix);
|
|
ctx.translate(current.x, current.y + current.textRise);
|
|
if (current.patternFill) {
|
|
ctx.fillStyle = current.fillColor.getPattern(ctx, this);
|
|
}
|
|
if (fontDirection > 0) {
|
|
ctx.scale(textHScale, -1);
|
|
} else {
|
|
ctx.scale(textHScale, 1);
|
|
}
|
|
var lineWidth = current.lineWidth;
|
|
var scale = current.textMatrixScale;
|
|
if (scale === 0 || lineWidth === 0) {
|
|
var fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
|
|
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
|
|
this.cachedGetSinglePixelWidth = null;
|
|
lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
|
|
}
|
|
} else {
|
|
lineWidth /= scale;
|
|
}
|
|
if (fontSizeScale !== 1.0) {
|
|
ctx.scale(fontSizeScale, fontSizeScale);
|
|
lineWidth /= fontSizeScale;
|
|
}
|
|
ctx.lineWidth = lineWidth;
|
|
var x = 0, i;
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
var glyph = glyphs[i];
|
|
if (isNum(glyph)) {
|
|
x += spacingDir * glyph * fontSize / 1000;
|
|
continue;
|
|
}
|
|
var restoreNeeded = false;
|
|
var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
var character = glyph.fontChar;
|
|
var accent = glyph.accent;
|
|
var scaledX, scaledY, scaledAccentX, scaledAccentY;
|
|
var width = glyph.width;
|
|
if (vertical) {
|
|
var vmetric, vx, vy;
|
|
vmetric = glyph.vmetric || defaultVMetrics;
|
|
vx = glyph.vmetric ? vmetric[1] : width * 0.5;
|
|
vx = -vx * widthAdvanceScale;
|
|
vy = vmetric[2] * widthAdvanceScale;
|
|
width = vmetric ? -vmetric[0] : width;
|
|
scaledX = vx / fontSizeScale;
|
|
scaledY = (x + vy) / fontSizeScale;
|
|
} else {
|
|
scaledX = x / fontSizeScale;
|
|
scaledY = 0;
|
|
}
|
|
if (font.remeasure && width > 0) {
|
|
var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
|
|
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
|
|
var characterScaleX = width / measuredWidth;
|
|
restoreNeeded = true;
|
|
ctx.save();
|
|
ctx.scale(characterScaleX, 1);
|
|
scaledX /= characterScaleX;
|
|
} else if (width !== measuredWidth) {
|
|
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
|
|
}
|
|
}
|
|
if (glyph.isInFont || font.missingFile) {
|
|
if (simpleFillText && !accent) {
|
|
ctx.fillText(character, scaledX, scaledY);
|
|
} else {
|
|
this.paintChar(character, scaledX, scaledY);
|
|
if (accent) {
|
|
scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
|
|
scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
|
|
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY);
|
|
}
|
|
}
|
|
}
|
|
var charWidth = width * widthAdvanceScale + spacing * fontDirection;
|
|
x += charWidth;
|
|
if (restoreNeeded) {
|
|
ctx.restore();
|
|
}
|
|
}
|
|
if (vertical) {
|
|
current.y -= x * textHScale;
|
|
} else {
|
|
current.x += x * textHScale;
|
|
}
|
|
ctx.restore();
|
|
},
|
|
showType3Text: function CanvasGraphics_showType3Text(glyphs) {
|
|
var ctx = this.ctx;
|
|
var current = this.current;
|
|
var font = current.font;
|
|
var fontSize = current.fontSize;
|
|
var fontDirection = current.fontDirection;
|
|
var spacingDir = font.vertical ? 1 : -1;
|
|
var charSpacing = current.charSpacing;
|
|
var wordSpacing = current.wordSpacing;
|
|
var textHScale = current.textHScale * fontDirection;
|
|
var fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
|
|
var glyphsLength = glyphs.length;
|
|
var isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
|
|
var i, glyph, width, spacingLength;
|
|
if (isTextInvisible || fontSize === 0) {
|
|
return;
|
|
}
|
|
this.cachedGetSinglePixelWidth = null;
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, current.textMatrix);
|
|
ctx.translate(current.x, current.y);
|
|
ctx.scale(textHScale, fontDirection);
|
|
for (i = 0; i < glyphsLength; ++i) {
|
|
glyph = glyphs[i];
|
|
if (isNum(glyph)) {
|
|
spacingLength = spacingDir * glyph * fontSize / 1000;
|
|
this.ctx.translate(spacingLength, 0);
|
|
current.x += spacingLength * textHScale;
|
|
continue;
|
|
}
|
|
var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
|
|
var operatorList = font.charProcOperatorList[glyph.operatorListId];
|
|
if (!operatorList) {
|
|
warn('Type3 character \"' + glyph.operatorListId + '\" is not available');
|
|
continue;
|
|
}
|
|
this.processingType3 = glyph;
|
|
this.save();
|
|
ctx.scale(fontSize, fontSize);
|
|
ctx.transform.apply(ctx, fontMatrix);
|
|
this.executeOperatorList(operatorList);
|
|
this.restore();
|
|
var transformed = Util.applyTransform([
|
|
glyph.width,
|
|
0
|
|
], fontMatrix);
|
|
width = transformed[0] * fontSize + spacing;
|
|
ctx.translate(width, 0);
|
|
current.x += width * textHScale;
|
|
}
|
|
ctx.restore();
|
|
this.processingType3 = null;
|
|
},
|
|
setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {
|
|
},
|
|
setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
|
|
this.ctx.rect(llx, lly, urx - llx, ury - lly);
|
|
this.clip();
|
|
this.endPath();
|
|
},
|
|
getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
|
|
var pattern;
|
|
if (IR[0] === 'TilingPattern') {
|
|
var color = IR[1];
|
|
var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
|
|
var self = this;
|
|
var canvasGraphicsFactory = {
|
|
createCanvasGraphics: function (ctx) {
|
|
return new CanvasGraphics(ctx, self.commonObjs, self.objs);
|
|
}
|
|
};
|
|
pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
|
|
} else {
|
|
pattern = getShadingPatternFromIR(IR);
|
|
}
|
|
return pattern;
|
|
},
|
|
setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
|
|
this.current.strokeColor = this.getColorN_Pattern(arguments);
|
|
},
|
|
setFillColorN: function CanvasGraphics_setFillColorN() {
|
|
this.current.fillColor = this.getColorN_Pattern(arguments);
|
|
this.current.patternFill = true;
|
|
},
|
|
setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
|
|
var color = Util.makeCssRgb(r, g, b);
|
|
this.ctx.strokeStyle = color;
|
|
this.current.strokeColor = color;
|
|
},
|
|
setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
|
|
var color = Util.makeCssRgb(r, g, b);
|
|
this.ctx.fillStyle = color;
|
|
this.current.fillColor = color;
|
|
this.current.patternFill = false;
|
|
},
|
|
shadingFill: function CanvasGraphics_shadingFill(patternIR) {
|
|
var ctx = this.ctx;
|
|
this.save();
|
|
var pattern = getShadingPatternFromIR(patternIR);
|
|
ctx.fillStyle = pattern.getPattern(ctx, this, true);
|
|
var inv = ctx.mozCurrentTransformInverse;
|
|
if (inv) {
|
|
var canvas = ctx.canvas;
|
|
var width = canvas.width;
|
|
var height = canvas.height;
|
|
var bl = Util.applyTransform([
|
|
0,
|
|
0
|
|
], inv);
|
|
var br = Util.applyTransform([
|
|
0,
|
|
height
|
|
], inv);
|
|
var ul = Util.applyTransform([
|
|
width,
|
|
0
|
|
], inv);
|
|
var ur = Util.applyTransform([
|
|
width,
|
|
height
|
|
], inv);
|
|
var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
|
|
var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
|
|
var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
|
|
var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
|
|
this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
|
|
} else {
|
|
this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
|
|
}
|
|
this.restore();
|
|
},
|
|
beginInlineImage: function CanvasGraphics_beginInlineImage() {
|
|
error('Should not call beginInlineImage');
|
|
},
|
|
beginImageData: function CanvasGraphics_beginImageData() {
|
|
error('Should not call beginImageData');
|
|
},
|
|
paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
|
|
this.save();
|
|
this.baseTransformStack.push(this.baseTransform);
|
|
if (isArray(matrix) && matrix.length === 6) {
|
|
this.transform.apply(this, matrix);
|
|
}
|
|
this.baseTransform = this.ctx.mozCurrentTransform;
|
|
if (isArray(bbox) && bbox.length === 4) {
|
|
var width = bbox[2] - bbox[0];
|
|
var height = bbox[3] - bbox[1];
|
|
this.ctx.rect(bbox[0], bbox[1], width, height);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
},
|
|
paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
|
|
this.restore();
|
|
this.baseTransform = this.baseTransformStack.pop();
|
|
},
|
|
beginGroup: function CanvasGraphics_beginGroup(group) {
|
|
this.save();
|
|
var currentCtx = this.ctx;
|
|
if (!group.isolated) {
|
|
info('TODO: Support non-isolated groups.');
|
|
}
|
|
if (group.knockout) {
|
|
warn('Knockout groups not supported.');
|
|
}
|
|
var currentTransform = currentCtx.mozCurrentTransform;
|
|
if (group.matrix) {
|
|
currentCtx.transform.apply(currentCtx, group.matrix);
|
|
}
|
|
assert(group.bbox, 'Bounding box is required.');
|
|
var bounds = Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
|
|
var canvasBounds = [
|
|
0,
|
|
0,
|
|
currentCtx.canvas.width,
|
|
currentCtx.canvas.height
|
|
];
|
|
bounds = Util.intersect(bounds, canvasBounds) || [
|
|
0,
|
|
0,
|
|
0,
|
|
0
|
|
];
|
|
var offsetX = Math.floor(bounds[0]);
|
|
var offsetY = Math.floor(bounds[1]);
|
|
var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
|
|
var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
|
|
var scaleX = 1, scaleY = 1;
|
|
if (drawnWidth > MAX_GROUP_SIZE) {
|
|
scaleX = drawnWidth / MAX_GROUP_SIZE;
|
|
drawnWidth = MAX_GROUP_SIZE;
|
|
}
|
|
if (drawnHeight > MAX_GROUP_SIZE) {
|
|
scaleY = drawnHeight / MAX_GROUP_SIZE;
|
|
drawnHeight = MAX_GROUP_SIZE;
|
|
}
|
|
var cacheId = 'groupAt' + this.groupLevel;
|
|
if (group.smask) {
|
|
cacheId += '_smask_' + this.smaskCounter++ % 2;
|
|
}
|
|
var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
|
|
var groupCtx = scratchCanvas.context;
|
|
groupCtx.scale(1 / scaleX, 1 / scaleY);
|
|
groupCtx.translate(-offsetX, -offsetY);
|
|
groupCtx.transform.apply(groupCtx, currentTransform);
|
|
if (group.smask) {
|
|
this.smaskStack.push({
|
|
canvas: scratchCanvas.canvas,
|
|
context: groupCtx,
|
|
offsetX: offsetX,
|
|
offsetY: offsetY,
|
|
scaleX: scaleX,
|
|
scaleY: scaleY,
|
|
subtype: group.smask.subtype,
|
|
backdrop: group.smask.backdrop,
|
|
transferMap: group.smask.transferMap || null,
|
|
startTransformInverse: null
|
|
});
|
|
} else
|
|
{
|
|
currentCtx.setTransform(1, 0, 0, 1, 0, 0);
|
|
currentCtx.translate(offsetX, offsetY);
|
|
currentCtx.scale(scaleX, scaleY);
|
|
}
|
|
copyCtxState(currentCtx, groupCtx);
|
|
this.ctx = groupCtx;
|
|
this.setGState([
|
|
[
|
|
'BM',
|
|
'Normal'
|
|
],
|
|
[
|
|
'ca',
|
|
1
|
|
],
|
|
[
|
|
'CA',
|
|
1
|
|
]
|
|
]);
|
|
this.groupStack.push(currentCtx);
|
|
this.groupLevel++;
|
|
this.current.activeSMask = null;
|
|
},
|
|
endGroup: function CanvasGraphics_endGroup(group) {
|
|
this.groupLevel--;
|
|
var groupCtx = this.ctx;
|
|
this.ctx = this.groupStack.pop();
|
|
if (this.ctx.imageSmoothingEnabled !== undefined) {
|
|
this.ctx.imageSmoothingEnabled = false;
|
|
} else {
|
|
this.ctx.mozImageSmoothingEnabled = false;
|
|
}
|
|
if (group.smask) {
|
|
this.tempSMask = this.smaskStack.pop();
|
|
} else {
|
|
this.ctx.drawImage(groupCtx.canvas, 0, 0);
|
|
}
|
|
this.restore();
|
|
},
|
|
beginAnnotations: function CanvasGraphics_beginAnnotations() {
|
|
this.save();
|
|
this.current = new CanvasExtraState();
|
|
if (this.baseTransform) {
|
|
this.ctx.setTransform.apply(this.ctx, this.baseTransform);
|
|
}
|
|
},
|
|
endAnnotations: function CanvasGraphics_endAnnotations() {
|
|
this.restore();
|
|
},
|
|
beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
|
|
this.save();
|
|
if (isArray(rect) && rect.length === 4) {
|
|
var width = rect[2] - rect[0];
|
|
var height = rect[3] - rect[1];
|
|
this.ctx.rect(rect[0], rect[1], width, height);
|
|
this.clip();
|
|
this.endPath();
|
|
}
|
|
this.transform.apply(this, transform);
|
|
this.transform.apply(this, matrix);
|
|
},
|
|
endAnnotation: function CanvasGraphics_endAnnotation() {
|
|
this.restore();
|
|
},
|
|
paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
|
|
var domImage = this.objs.get(objId);
|
|
if (!domImage) {
|
|
warn('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
this.save();
|
|
var ctx = this.ctx;
|
|
ctx.scale(1 / w, -1 / h);
|
|
ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
|
|
if (this.imageLayer) {
|
|
var currentTransform = ctx.mozCurrentTransformInverse;
|
|
var position = this.getCanvasPosition(0, 0);
|
|
this.imageLayer.appendImage({
|
|
objId: objId,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: w / currentTransform[0],
|
|
height: h / currentTransform[3]
|
|
});
|
|
}
|
|
this.restore();
|
|
},
|
|
paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
|
|
var ctx = this.ctx;
|
|
var width = img.width, height = img.height;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var glyph = this.processingType3;
|
|
if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
|
|
if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
|
|
glyph.compiled = compileType3Glyph({
|
|
data: img.data,
|
|
width: width,
|
|
height: height
|
|
});
|
|
} else {
|
|
glyph.compiled = null;
|
|
}
|
|
}
|
|
if (glyph && glyph.compiled) {
|
|
glyph.compiled(ctx);
|
|
return;
|
|
}
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var maskCtx = maskCanvas.context;
|
|
maskCtx.save();
|
|
putBinaryImageMask(maskCtx, img);
|
|
maskCtx.globalCompositeOperation = 'source-in';
|
|
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
|
|
maskCtx.fillRect(0, 0, width, height);
|
|
maskCtx.restore();
|
|
this.paintInlineImageXObject(maskCanvas.canvas);
|
|
},
|
|
paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var maskCtx = maskCanvas.context;
|
|
maskCtx.save();
|
|
putBinaryImageMask(maskCtx, imgData);
|
|
maskCtx.globalCompositeOperation = 'source-in';
|
|
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
|
|
maskCtx.fillRect(0, 0, width, height);
|
|
maskCtx.restore();
|
|
var ctx = this.ctx;
|
|
for (var i = 0, ii = positions.length; i < ii; i += 2) {
|
|
ctx.save();
|
|
ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
|
|
ctx.restore();
|
|
}
|
|
},
|
|
paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
|
|
var ctx = this.ctx;
|
|
var fillColor = this.current.fillColor;
|
|
var isPatternFill = this.current.patternFill;
|
|
for (var i = 0, ii = images.length; i < ii; i++) {
|
|
var image = images[i];
|
|
var width = image.width, height = image.height;
|
|
var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
|
|
var maskCtx = maskCanvas.context;
|
|
maskCtx.save();
|
|
putBinaryImageMask(maskCtx, image);
|
|
maskCtx.globalCompositeOperation = 'source-in';
|
|
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
|
|
maskCtx.fillRect(0, 0, width, height);
|
|
maskCtx.restore();
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, image.transform);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
|
|
ctx.restore();
|
|
}
|
|
},
|
|
paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
|
|
var imgData = this.objs.get(objId);
|
|
if (!imgData) {
|
|
warn('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
this.paintInlineImageXObject(imgData);
|
|
},
|
|
paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
|
|
var imgData = this.objs.get(objId);
|
|
if (!imgData) {
|
|
warn('Dependent image isn\'t ready yet');
|
|
return;
|
|
}
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var map = [];
|
|
for (var i = 0, ii = positions.length; i < ii; i += 2) {
|
|
map.push({
|
|
transform: [
|
|
scaleX,
|
|
0,
|
|
0,
|
|
scaleY,
|
|
positions[i],
|
|
positions[i + 1]
|
|
],
|
|
x: 0,
|
|
y: 0,
|
|
w: width,
|
|
h: height
|
|
});
|
|
}
|
|
this.paintInlineImageXObjectGroup(imgData, map);
|
|
},
|
|
paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
|
|
var width = imgData.width;
|
|
var height = imgData.height;
|
|
var ctx = this.ctx;
|
|
this.save();
|
|
ctx.scale(1 / width, -1 / height);
|
|
var currentTransform = ctx.mozCurrentTransformInverse;
|
|
var a = currentTransform[0], b = currentTransform[1];
|
|
var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
|
|
var c = currentTransform[2], d = currentTransform[3];
|
|
var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
|
|
var imgToPaint, tmpCanvas;
|
|
if (imgData instanceof HTMLElement || !imgData.data) {
|
|
imgToPaint = imgData;
|
|
} else {
|
|
tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
|
|
var tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData);
|
|
imgToPaint = tmpCanvas.canvas;
|
|
}
|
|
var paintWidth = width, paintHeight = height;
|
|
var tmpCanvasId = 'prescale1';
|
|
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
|
|
var newWidth = paintWidth, newHeight = paintHeight;
|
|
if (widthScale > 2 && paintWidth > 1) {
|
|
newWidth = Math.ceil(paintWidth / 2);
|
|
widthScale /= paintWidth / newWidth;
|
|
}
|
|
if (heightScale > 2 && paintHeight > 1) {
|
|
newHeight = Math.ceil(paintHeight / 2);
|
|
heightScale /= paintHeight / newHeight;
|
|
}
|
|
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
|
|
tmpCtx = tmpCanvas.context;
|
|
tmpCtx.clearRect(0, 0, newWidth, newHeight);
|
|
tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
|
|
imgToPaint = tmpCanvas.canvas;
|
|
paintWidth = newWidth;
|
|
paintHeight = newHeight;
|
|
tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
|
|
}
|
|
ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
|
|
if (this.imageLayer) {
|
|
var position = this.getCanvasPosition(0, -height);
|
|
this.imageLayer.appendImage({
|
|
imgData: imgData,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: width / currentTransform[0],
|
|
height: height / currentTransform[3]
|
|
});
|
|
}
|
|
this.restore();
|
|
},
|
|
paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
|
|
var ctx = this.ctx;
|
|
var w = imgData.width;
|
|
var h = imgData.height;
|
|
var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
|
|
var tmpCtx = tmpCanvas.context;
|
|
putBinaryImageData(tmpCtx, imgData);
|
|
for (var i = 0, ii = map.length; i < ii; i++) {
|
|
var entry = map[i];
|
|
ctx.save();
|
|
ctx.transform.apply(ctx, entry.transform);
|
|
ctx.scale(1, -1);
|
|
ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
|
|
if (this.imageLayer) {
|
|
var position = this.getCanvasPosition(entry.x, entry.y);
|
|
this.imageLayer.appendImage({
|
|
imgData: imgData,
|
|
left: position[0],
|
|
top: position[1],
|
|
width: w,
|
|
height: h
|
|
});
|
|
}
|
|
ctx.restore();
|
|
}
|
|
},
|
|
paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
|
|
this.ctx.fillRect(0, 0, 1, 1);
|
|
},
|
|
paintXObject: function CanvasGraphics_paintXObject() {
|
|
warn('Unsupported \'paintXObject\' command.');
|
|
},
|
|
markPoint: function CanvasGraphics_markPoint(tag) {
|
|
},
|
|
markPointProps: function CanvasGraphics_markPointProps(tag, properties) {
|
|
},
|
|
beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {
|
|
},
|
|
beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {
|
|
},
|
|
endMarkedContent: function CanvasGraphics_endMarkedContent() {
|
|
},
|
|
beginCompat: function CanvasGraphics_beginCompat() {
|
|
},
|
|
endCompat: function CanvasGraphics_endCompat() {
|
|
},
|
|
consumePath: function CanvasGraphics_consumePath() {
|
|
var ctx = this.ctx;
|
|
if (this.pendingClip) {
|
|
if (this.pendingClip === EO_CLIP) {
|
|
if (ctx.mozFillRule !== undefined) {
|
|
ctx.mozFillRule = 'evenodd';
|
|
ctx.clip();
|
|
ctx.mozFillRule = 'nonzero';
|
|
} else {
|
|
ctx.clip('evenodd');
|
|
}
|
|
} else {
|
|
ctx.clip();
|
|
}
|
|
this.pendingClip = null;
|
|
}
|
|
ctx.beginPath();
|
|
},
|
|
getSinglePixelWidth: function CanvasGraphics_getSinglePixelWidth(scale) {
|
|
if (this.cachedGetSinglePixelWidth === null) {
|
|
this.ctx.save();
|
|
var inverse = this.ctx.mozCurrentTransformInverse;
|
|
this.ctx.restore();
|
|
this.cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
|
|
}
|
|
return this.cachedGetSinglePixelWidth;
|
|
},
|
|
getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
|
|
var transform = this.ctx.mozCurrentTransform;
|
|
return [
|
|
transform[0] * x + transform[2] * y + transform[4],
|
|
transform[1] * x + transform[3] * y + transform[5]
|
|
];
|
|
}
|
|
};
|
|
for (var op in OPS) {
|
|
CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
|
|
}
|
|
return CanvasGraphics;
|
|
}();
|
|
exports.CanvasGraphics = CanvasGraphics;
|
|
exports.createScratchCanvas = createScratchCanvas;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayAPI = {}, root.pdfjsSharedUtil, root.pdfjsDisplayFontLoader, root.pdfjsDisplayCanvas, root.pdfjsDisplayMetadata, root.pdfjsDisplayDOMUtils);
|
|
}(this, function (exports, sharedUtil, displayFontLoader, displayCanvas, displayMetadata, displayDOMUtils, amdRequire) {
|
|
var InvalidPDFException = sharedUtil.InvalidPDFException;
|
|
var MessageHandler = sharedUtil.MessageHandler;
|
|
var MissingPDFException = sharedUtil.MissingPDFException;
|
|
var PageViewport = sharedUtil.PageViewport;
|
|
var PasswordResponses = sharedUtil.PasswordResponses;
|
|
var PasswordException = sharedUtil.PasswordException;
|
|
var StatTimer = sharedUtil.StatTimer;
|
|
var UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
|
|
var UnknownErrorException = sharedUtil.UnknownErrorException;
|
|
var Util = sharedUtil.Util;
|
|
var createPromiseCapability = sharedUtil.createPromiseCapability;
|
|
var error = sharedUtil.error;
|
|
var deprecated = sharedUtil.deprecated;
|
|
var getVerbosityLevel = sharedUtil.getVerbosityLevel;
|
|
var info = sharedUtil.info;
|
|
var isInt = sharedUtil.isInt;
|
|
var isArray = sharedUtil.isArray;
|
|
var isArrayBuffer = sharedUtil.isArrayBuffer;
|
|
var isSameOrigin = sharedUtil.isSameOrigin;
|
|
var loadJpegStream = sharedUtil.loadJpegStream;
|
|
var stringToBytes = sharedUtil.stringToBytes;
|
|
var globalScope = sharedUtil.globalScope;
|
|
var warn = sharedUtil.warn;
|
|
var FontFaceObject = displayFontLoader.FontFaceObject;
|
|
var FontLoader = displayFontLoader.FontLoader;
|
|
var CanvasGraphics = displayCanvas.CanvasGraphics;
|
|
var createScratchCanvas = displayCanvas.createScratchCanvas;
|
|
var Metadata = displayMetadata.Metadata;
|
|
var getDefaultSetting = displayDOMUtils.getDefaultSetting;
|
|
var DEFAULT_RANGE_CHUNK_SIZE = 65536;
|
|
var isWorkerDisabled = false;
|
|
var workerSrc;
|
|
var isPostMessageTransfersDisabled = false;
|
|
var fakeWorkerFilesLoader = null;
|
|
var useRequireEnsure = false;
|
|
if (typeof window === 'undefined') {
|
|
isWorkerDisabled = true;
|
|
if (typeof require.ensure === 'undefined') {
|
|
require.ensure = require('node-ensure');
|
|
}
|
|
useRequireEnsure = true;
|
|
}
|
|
if (typeof __webpack_require__ !== 'undefined') {
|
|
useRequireEnsure = true;
|
|
}
|
|
if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
|
|
workerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
|
|
}
|
|
var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
|
|
fakeWorkerFilesLoader = useRequireEnsure ? function (callback) {
|
|
require.ensure([], function () {
|
|
var worker = require('./pdf.worker.js');
|
|
callback(worker.WorkerMessageHandler);
|
|
});
|
|
} : dynamicLoaderSupported ? function (callback) {
|
|
requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
|
|
callback(worker.WorkerMessageHandler);
|
|
});
|
|
} : null;
|
|
function getDocument(src, pdfDataRangeTransport, passwordCallback, progressCallback) {
|
|
var task = new PDFDocumentLoadingTask();
|
|
if (arguments.length > 1) {
|
|
deprecated('getDocument is called with pdfDataRangeTransport, ' + 'passwordCallback or progressCallback argument');
|
|
}
|
|
if (pdfDataRangeTransport) {
|
|
if (!(pdfDataRangeTransport instanceof PDFDataRangeTransport)) {
|
|
pdfDataRangeTransport = Object.create(pdfDataRangeTransport);
|
|
pdfDataRangeTransport.length = src.length;
|
|
pdfDataRangeTransport.initialData = src.initialData;
|
|
if (!pdfDataRangeTransport.abort) {
|
|
pdfDataRangeTransport.abort = function () {
|
|
};
|
|
}
|
|
}
|
|
src = Object.create(src);
|
|
src.range = pdfDataRangeTransport;
|
|
}
|
|
task.onPassword = passwordCallback || null;
|
|
task.onProgress = progressCallback || null;
|
|
var source;
|
|
if (typeof src === 'string') {
|
|
source = { url: src };
|
|
} else if (isArrayBuffer(src)) {
|
|
source = { data: src };
|
|
} else if (src instanceof PDFDataRangeTransport) {
|
|
source = { range: src };
|
|
} else {
|
|
if (typeof src !== 'object') {
|
|
error('Invalid parameter in getDocument, need either Uint8Array, ' + 'string or a parameter object');
|
|
}
|
|
if (!src.url && !src.data && !src.range) {
|
|
error('Invalid parameter object: need either .data, .range or .url');
|
|
}
|
|
source = src;
|
|
}
|
|
var params = {};
|
|
var rangeTransport = null;
|
|
var worker = null;
|
|
for (var key in source) {
|
|
if (key === 'url' && typeof window !== 'undefined') {
|
|
params[key] = new URL(source[key], window.location).href;
|
|
continue;
|
|
} else if (key === 'range') {
|
|
rangeTransport = source[key];
|
|
continue;
|
|
} else if (key === 'worker') {
|
|
worker = source[key];
|
|
continue;
|
|
} else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
|
|
var pdfBytes = source[key];
|
|
if (typeof pdfBytes === 'string') {
|
|
params[key] = stringToBytes(pdfBytes);
|
|
} else if (typeof pdfBytes === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
|
|
params[key] = new Uint8Array(pdfBytes);
|
|
} else if (isArrayBuffer(pdfBytes)) {
|
|
params[key] = new Uint8Array(pdfBytes);
|
|
} else {
|
|
error('Invalid PDF binary data: either typed array, string or ' + 'array-like object is expected in the data property.');
|
|
}
|
|
continue;
|
|
}
|
|
params[key] = source[key];
|
|
}
|
|
params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
|
|
if (!worker) {
|
|
worker = new PDFWorker();
|
|
task._worker = worker;
|
|
}
|
|
var docId = task.docId;
|
|
worker.promise.then(function () {
|
|
if (task.destroyed) {
|
|
throw new Error('Loading aborted');
|
|
}
|
|
return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
|
|
if (task.destroyed) {
|
|
throw new Error('Loading aborted');
|
|
}
|
|
var messageHandler = new MessageHandler(docId, workerId, worker.port);
|
|
var transport = new WorkerTransport(messageHandler, task, rangeTransport);
|
|
task._transport = transport;
|
|
messageHandler.send('Ready', null);
|
|
});
|
|
}).catch(task._capability.reject);
|
|
return task;
|
|
}
|
|
function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
|
|
if (worker.destroyed) {
|
|
return Promise.reject(new Error('Worker was destroyed'));
|
|
}
|
|
source.disableAutoFetch = getDefaultSetting('disableAutoFetch');
|
|
source.disableStream = getDefaultSetting('disableStream');
|
|
source.chunkedViewerLoading = !!pdfDataRangeTransport;
|
|
if (pdfDataRangeTransport) {
|
|
source.length = pdfDataRangeTransport.length;
|
|
source.initialData = pdfDataRangeTransport.initialData;
|
|
}
|
|
return worker.messageHandler.sendWithPromise('GetDocRequest', {
|
|
docId: docId,
|
|
source: source,
|
|
disableRange: getDefaultSetting('disableRange'),
|
|
maxImageSize: getDefaultSetting('maxImageSize'),
|
|
cMapUrl: getDefaultSetting('cMapUrl'),
|
|
cMapPacked: getDefaultSetting('cMapPacked'),
|
|
disableFontFace: getDefaultSetting('disableFontFace'),
|
|
disableCreateObjectURL: getDefaultSetting('disableCreateObjectURL'),
|
|
postMessageTransfers: getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled,
|
|
docBaseUrl: source.docBaseUrl
|
|
}).then(function (workerId) {
|
|
if (worker.destroyed) {
|
|
throw new Error('Worker was destroyed');
|
|
}
|
|
return workerId;
|
|
});
|
|
}
|
|
var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
|
|
var nextDocumentId = 0;
|
|
function PDFDocumentLoadingTask() {
|
|
this._capability = createPromiseCapability();
|
|
this._transport = null;
|
|
this._worker = null;
|
|
this.docId = 'd' + nextDocumentId++;
|
|
this.destroyed = false;
|
|
this.onPassword = null;
|
|
this.onProgress = null;
|
|
this.onUnsupportedFeature = null;
|
|
}
|
|
PDFDocumentLoadingTask.prototype = {
|
|
get promise() {
|
|
return this._capability.promise;
|
|
},
|
|
destroy: function () {
|
|
this.destroyed = true;
|
|
var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
|
|
return transportDestroyed.then(function () {
|
|
this._transport = null;
|
|
if (this._worker) {
|
|
this._worker.destroy();
|
|
this._worker = null;
|
|
}
|
|
}.bind(this));
|
|
},
|
|
then: function PDFDocumentLoadingTask_then(onFulfilled, onRejected) {
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
};
|
|
return PDFDocumentLoadingTask;
|
|
}();
|
|
var PDFDataRangeTransport = function pdfDataRangeTransportClosure() {
|
|
function PDFDataRangeTransport(length, initialData) {
|
|
this.length = length;
|
|
this.initialData = initialData;
|
|
this._rangeListeners = [];
|
|
this._progressListeners = [];
|
|
this._progressiveReadListeners = [];
|
|
this._readyCapability = createPromiseCapability();
|
|
}
|
|
PDFDataRangeTransport.prototype = {
|
|
addRangeListener: function PDFDataRangeTransport_addRangeListener(listener) {
|
|
this._rangeListeners.push(listener);
|
|
},
|
|
addProgressListener: function PDFDataRangeTransport_addProgressListener(listener) {
|
|
this._progressListeners.push(listener);
|
|
},
|
|
addProgressiveReadListener: function PDFDataRangeTransport_addProgressiveReadListener(listener) {
|
|
this._progressiveReadListeners.push(listener);
|
|
},
|
|
onDataRange: function PDFDataRangeTransport_onDataRange(begin, chunk) {
|
|
var listeners = this._rangeListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](begin, chunk);
|
|
}
|
|
},
|
|
onDataProgress: function PDFDataRangeTransport_onDataProgress(loaded) {
|
|
this._readyCapability.promise.then(function () {
|
|
var listeners = this._progressListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](loaded);
|
|
}
|
|
}.bind(this));
|
|
},
|
|
onDataProgressiveRead: function PDFDataRangeTransport_onDataProgress(chunk) {
|
|
this._readyCapability.promise.then(function () {
|
|
var listeners = this._progressiveReadListeners;
|
|
for (var i = 0, n = listeners.length; i < n; ++i) {
|
|
listeners[i](chunk);
|
|
}
|
|
}.bind(this));
|
|
},
|
|
transportReady: function PDFDataRangeTransport_transportReady() {
|
|
this._readyCapability.resolve();
|
|
},
|
|
requestDataRange: function PDFDataRangeTransport_requestDataRange(begin, end) {
|
|
throw new Error('Abstract method PDFDataRangeTransport.requestDataRange');
|
|
},
|
|
abort: function PDFDataRangeTransport_abort() {
|
|
}
|
|
};
|
|
return PDFDataRangeTransport;
|
|
}();
|
|
var PDFDocumentProxy = function PDFDocumentProxyClosure() {
|
|
function PDFDocumentProxy(pdfInfo, transport, loadingTask) {
|
|
this.pdfInfo = pdfInfo;
|
|
this.transport = transport;
|
|
this.loadingTask = loadingTask;
|
|
}
|
|
PDFDocumentProxy.prototype = {
|
|
get numPages() {
|
|
return this.pdfInfo.numPages;
|
|
},
|
|
get fingerprint() {
|
|
return this.pdfInfo.fingerprint;
|
|
},
|
|
getPage: function PDFDocumentProxy_getPage(pageNumber) {
|
|
return this.transport.getPage(pageNumber);
|
|
},
|
|
getPageIndex: function PDFDocumentProxy_getPageIndex(ref) {
|
|
return this.transport.getPageIndex(ref);
|
|
},
|
|
getDestinations: function PDFDocumentProxy_getDestinations() {
|
|
return this.transport.getDestinations();
|
|
},
|
|
getDestination: function PDFDocumentProxy_getDestination(id) {
|
|
return this.transport.getDestination(id);
|
|
},
|
|
getPageLabels: function PDFDocumentProxy_getPageLabels() {
|
|
return this.transport.getPageLabels();
|
|
},
|
|
getAttachments: function PDFDocumentProxy_getAttachments() {
|
|
return this.transport.getAttachments();
|
|
},
|
|
getJavaScript: function PDFDocumentProxy_getJavaScript() {
|
|
return this.transport.getJavaScript();
|
|
},
|
|
getOutline: function PDFDocumentProxy_getOutline() {
|
|
return this.transport.getOutline();
|
|
},
|
|
getMetadata: function PDFDocumentProxy_getMetadata() {
|
|
return this.transport.getMetadata();
|
|
},
|
|
getData: function PDFDocumentProxy_getData() {
|
|
return this.transport.getData();
|
|
},
|
|
getDownloadInfo: function PDFDocumentProxy_getDownloadInfo() {
|
|
return this.transport.downloadInfoCapability.promise;
|
|
},
|
|
getStats: function PDFDocumentProxy_getStats() {
|
|
return this.transport.getStats();
|
|
},
|
|
cleanup: function PDFDocumentProxy_cleanup() {
|
|
this.transport.startCleanup();
|
|
},
|
|
destroy: function PDFDocumentProxy_destroy() {
|
|
return this.loadingTask.destroy();
|
|
}
|
|
};
|
|
return PDFDocumentProxy;
|
|
}();
|
|
var PDFPageProxy = function PDFPageProxyClosure() {
|
|
function PDFPageProxy(pageIndex, pageInfo, transport) {
|
|
this.pageIndex = pageIndex;
|
|
this.pageInfo = pageInfo;
|
|
this.transport = transport;
|
|
this.stats = new StatTimer();
|
|
this.stats.enabled = getDefaultSetting('enableStats');
|
|
this.commonObjs = transport.commonObjs;
|
|
this.objs = new PDFObjects();
|
|
this.cleanupAfterRender = false;
|
|
this.pendingCleanup = false;
|
|
this.intentStates = Object.create(null);
|
|
this.destroyed = false;
|
|
}
|
|
PDFPageProxy.prototype = {
|
|
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: function PDFPageProxy_getViewport(scale, rotate) {
|
|
if (arguments.length < 2) {
|
|
rotate = this.rotate;
|
|
}
|
|
return new PageViewport(this.view, scale, rotate, 0, 0);
|
|
},
|
|
getAnnotations: function PDFPageProxy_getAnnotations(params) {
|
|
var intent = params && params.intent || null;
|
|
if (!this.annotationsPromise || this.annotationsIntent !== intent) {
|
|
this.annotationsPromise = this.transport.getAnnotations(this.pageIndex, intent);
|
|
this.annotationsIntent = intent;
|
|
}
|
|
return this.annotationsPromise;
|
|
},
|
|
render: function PDFPageProxy_render(params) {
|
|
var stats = this.stats;
|
|
stats.time('Overall');
|
|
this.pendingCleanup = false;
|
|
var renderingIntent = params.intent === 'print' ? 'print' : 'display';
|
|
var renderInteractiveForms = params.renderInteractiveForms === true ? true : false;
|
|
if (!this.intentStates[renderingIntent]) {
|
|
this.intentStates[renderingIntent] = Object.create(null);
|
|
}
|
|
var intentState = this.intentStates[renderingIntent];
|
|
if (!intentState.displayReadyCapability) {
|
|
intentState.receivingOperatorList = true;
|
|
intentState.displayReadyCapability = createPromiseCapability();
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
this.stats.time('Page Request');
|
|
this.transport.messageHandler.send('RenderPageRequest', {
|
|
pageIndex: this.pageNumber - 1,
|
|
intent: renderingIntent,
|
|
renderInteractiveForms: renderInteractiveForms
|
|
});
|
|
}
|
|
var internalRenderTask = new InternalRenderTask(complete, params, this.objs, this.commonObjs, intentState.operatorList, this.pageNumber);
|
|
internalRenderTask.useRequestAnimationFrame = renderingIntent !== 'print';
|
|
if (!intentState.renderTasks) {
|
|
intentState.renderTasks = [];
|
|
}
|
|
intentState.renderTasks.push(internalRenderTask);
|
|
var renderTask = internalRenderTask.task;
|
|
if (params.continueCallback) {
|
|
deprecated('render is used with continueCallback parameter');
|
|
renderTask.onContinue = params.continueCallback;
|
|
}
|
|
var self = this;
|
|
intentState.displayReadyCapability.promise.then(function pageDisplayReadyPromise(transparency) {
|
|
if (self.pendingCleanup) {
|
|
complete();
|
|
return;
|
|
}
|
|
stats.time('Rendering');
|
|
internalRenderTask.initializeGraphics(transparency);
|
|
internalRenderTask.operatorListChanged();
|
|
}, function pageDisplayReadPromiseError(reason) {
|
|
complete(reason);
|
|
});
|
|
function complete(error) {
|
|
var i = intentState.renderTasks.indexOf(internalRenderTask);
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
if (self.cleanupAfterRender) {
|
|
self.pendingCleanup = true;
|
|
}
|
|
self._tryCleanup();
|
|
if (error) {
|
|
internalRenderTask.capability.reject(error);
|
|
} else {
|
|
internalRenderTask.capability.resolve();
|
|
}
|
|
stats.timeEnd('Rendering');
|
|
stats.timeEnd('Overall');
|
|
}
|
|
return renderTask;
|
|
},
|
|
getOperatorList: function PDFPageProxy_getOperatorList() {
|
|
function operatorListChanged() {
|
|
if (intentState.operatorList.lastChunk) {
|
|
intentState.opListReadCapability.resolve(intentState.operatorList);
|
|
var i = intentState.renderTasks.indexOf(opListTask);
|
|
if (i >= 0) {
|
|
intentState.renderTasks.splice(i, 1);
|
|
}
|
|
}
|
|
}
|
|
var renderingIntent = 'oplist';
|
|
if (!this.intentStates[renderingIntent]) {
|
|
this.intentStates[renderingIntent] = Object.create(null);
|
|
}
|
|
var intentState = this.intentStates[renderingIntent];
|
|
var opListTask;
|
|
if (!intentState.opListReadCapability) {
|
|
opListTask = {};
|
|
opListTask.operatorListChanged = operatorListChanged;
|
|
intentState.receivingOperatorList = true;
|
|
intentState.opListReadCapability = createPromiseCapability();
|
|
intentState.renderTasks = [];
|
|
intentState.renderTasks.push(opListTask);
|
|
intentState.operatorList = {
|
|
fnArray: [],
|
|
argsArray: [],
|
|
lastChunk: false
|
|
};
|
|
this.transport.messageHandler.send('RenderPageRequest', {
|
|
pageIndex: this.pageIndex,
|
|
intent: renderingIntent
|
|
});
|
|
}
|
|
return intentState.opListReadCapability.promise;
|
|
},
|
|
getTextContent: function PDFPageProxy_getTextContent(params) {
|
|
return this.transport.messageHandler.sendWithPromise('GetTextContent', {
|
|
pageIndex: this.pageNumber - 1,
|
|
normalizeWhitespace: params && params.normalizeWhitespace === true ? true : false,
|
|
combineTextItems: params && params.disableCombineTextItems === true ? false : true
|
|
});
|
|
},
|
|
_destroy: function PDFPageProxy_destroy() {
|
|
this.destroyed = true;
|
|
this.transport.pageCache[this.pageIndex] = null;
|
|
var waitOn = [];
|
|
Object.keys(this.intentStates).forEach(function (intent) {
|
|
if (intent === 'oplist') {
|
|
return;
|
|
}
|
|
var intentState = this.intentStates[intent];
|
|
intentState.renderTasks.forEach(function (renderTask) {
|
|
var renderCompleted = renderTask.capability.promise.catch(function () {
|
|
});
|
|
waitOn.push(renderCompleted);
|
|
renderTask.cancel();
|
|
});
|
|
}, this);
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
this.pendingCleanup = false;
|
|
return Promise.all(waitOn);
|
|
},
|
|
destroy: function () {
|
|
deprecated('page destroy method, use cleanup() instead');
|
|
this.cleanup();
|
|
},
|
|
cleanup: function PDFPageProxy_cleanup() {
|
|
this.pendingCleanup = true;
|
|
this._tryCleanup();
|
|
},
|
|
_tryCleanup: function PDFPageProxy_tryCleanup() {
|
|
if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
|
|
var intentState = this.intentStates[intent];
|
|
return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
|
|
}, this)) {
|
|
return;
|
|
}
|
|
Object.keys(this.intentStates).forEach(function (intent) {
|
|
delete this.intentStates[intent];
|
|
}, this);
|
|
this.objs.clear();
|
|
this.annotationsPromise = null;
|
|
this.pendingCleanup = false;
|
|
},
|
|
_startRenderPage: function PDFPageProxy_startRenderPage(transparency, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.resolve(transparency);
|
|
}
|
|
},
|
|
_renderPageChunk: function PDFPageProxy_renderPageChunk(operatorListChunk, intent) {
|
|
var intentState = this.intentStates[intent];
|
|
var i, ii;
|
|
for (i = 0, ii = operatorListChunk.length; i < ii; i++) {
|
|
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
|
|
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
|
|
}
|
|
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
|
|
for (i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
if (operatorListChunk.lastChunk) {
|
|
intentState.receivingOperatorList = false;
|
|
this._tryCleanup();
|
|
}
|
|
}
|
|
};
|
|
return PDFPageProxy;
|
|
}();
|
|
var PDFWorker = function PDFWorkerClosure() {
|
|
var nextFakeWorkerId = 0;
|
|
function getWorkerSrc() {
|
|
if (typeof workerSrc !== 'undefined') {
|
|
return workerSrc;
|
|
}
|
|
if (getDefaultSetting('workerSrc')) {
|
|
return getDefaultSetting('workerSrc');
|
|
}
|
|
if (pdfjsFilePath) {
|
|
return pdfjsFilePath.replace(/\.js$/i, '.worker.js');
|
|
}
|
|
error('No PDFJS.workerSrc specified');
|
|
}
|
|
var fakeWorkerFilesLoadedCapability;
|
|
function setupFakeWorkerGlobal() {
|
|
var WorkerMessageHandler;
|
|
if (fakeWorkerFilesLoadedCapability) {
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
fakeWorkerFilesLoadedCapability = createPromiseCapability();
|
|
var loader = fakeWorkerFilesLoader || function (callback) {
|
|
Util.loadScript(getWorkerSrc(), function () {
|
|
callback(window.pdfjsDistBuildPdfWorker.WorkerMessageHandler);
|
|
});
|
|
};
|
|
loader(fakeWorkerFilesLoadedCapability.resolve);
|
|
return fakeWorkerFilesLoadedCapability.promise;
|
|
}
|
|
function FakeWorkerPort(defer) {
|
|
this._listeners = [];
|
|
this._defer = defer;
|
|
this._deferred = Promise.resolve(undefined);
|
|
}
|
|
FakeWorkerPort.prototype = {
|
|
postMessage: function (obj, transfers) {
|
|
function cloneValue(value) {
|
|
if (typeof value !== 'object' || value === null) {
|
|
return value;
|
|
}
|
|
if (cloned.has(value)) {
|
|
return cloned.get(value);
|
|
}
|
|
var result;
|
|
var buffer;
|
|
if ((buffer = value.buffer) && isArrayBuffer(buffer)) {
|
|
var transferable = transfers && transfers.indexOf(buffer) >= 0;
|
|
if (value === buffer) {
|
|
result = value;
|
|
} else if (transferable) {
|
|
result = new value.constructor(buffer, value.byteOffset, value.byteLength);
|
|
} else {
|
|
result = new value.constructor(value);
|
|
}
|
|
cloned.set(value, result);
|
|
return result;
|
|
}
|
|
result = isArray(value) ? [] : {};
|
|
cloned.set(value, result);
|
|
for (var i in value) {
|
|
var desc, p = value;
|
|
while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
|
|
p = Object.getPrototypeOf(p);
|
|
}
|
|
if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
|
|
continue;
|
|
}
|
|
result[i] = cloneValue(desc.value);
|
|
}
|
|
return result;
|
|
}
|
|
if (!this._defer) {
|
|
this._listeners.forEach(function (listener) {
|
|
listener.call(this, { data: obj });
|
|
}, this);
|
|
return;
|
|
}
|
|
var cloned = new WeakMap();
|
|
var e = { data: cloneValue(obj) };
|
|
this._deferred.then(function () {
|
|
this._listeners.forEach(function (listener) {
|
|
listener.call(this, e);
|
|
}, this);
|
|
}.bind(this));
|
|
},
|
|
addEventListener: function (name, listener) {
|
|
this._listeners.push(listener);
|
|
},
|
|
removeEventListener: function (name, listener) {
|
|
var i = this._listeners.indexOf(listener);
|
|
this._listeners.splice(i, 1);
|
|
},
|
|
terminate: function () {
|
|
this._listeners = [];
|
|
}
|
|
};
|
|
function createCDNWrapper(url) {
|
|
var wrapper = 'importScripts(\'' + url + '\');';
|
|
return URL.createObjectURL(new Blob([wrapper]));
|
|
}
|
|
function PDFWorker(name) {
|
|
this.name = name;
|
|
this.destroyed = false;
|
|
this._readyCapability = createPromiseCapability();
|
|
this._port = null;
|
|
this._webWorker = null;
|
|
this._messageHandler = null;
|
|
this._initialize();
|
|
}
|
|
PDFWorker.prototype = {
|
|
get promise() {
|
|
return this._readyCapability.promise;
|
|
},
|
|
get port() {
|
|
return this._port;
|
|
},
|
|
get messageHandler() {
|
|
return this._messageHandler;
|
|
},
|
|
_initialize: function PDFWorker_initialize() {
|
|
if (!isWorkerDisabled && !getDefaultSetting('disableWorker') && typeof Worker !== 'undefined') {
|
|
var workerSrc = getWorkerSrc();
|
|
try {
|
|
if (!isSameOrigin(window.location.href, workerSrc)) {
|
|
workerSrc = createCDNWrapper(new URL(workerSrc, window.location).href);
|
|
}
|
|
var worker = new Worker(workerSrc);
|
|
var messageHandler = new MessageHandler('main', 'worker', worker);
|
|
var terminateEarly = function () {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error('Worker was destroyed'));
|
|
} else {
|
|
this._setupFakeWorker();
|
|
}
|
|
}.bind(this);
|
|
var onWorkerError = function (event) {
|
|
if (!this._webWorker) {
|
|
terminateEarly();
|
|
}
|
|
}.bind(this);
|
|
worker.addEventListener('error', onWorkerError);
|
|
messageHandler.on('test', function PDFWorker_test(data) {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
var supportTypedArray = data && data.supportTypedArray;
|
|
if (supportTypedArray) {
|
|
this._messageHandler = messageHandler;
|
|
this._port = worker;
|
|
this._webWorker = worker;
|
|
if (!data.supportTransfers) {
|
|
isPostMessageTransfersDisabled = true;
|
|
}
|
|
this._readyCapability.resolve();
|
|
messageHandler.send('configure', { verbosity: getVerbosityLevel() });
|
|
} else {
|
|
this._setupFakeWorker();
|
|
messageHandler.destroy();
|
|
worker.terminate();
|
|
}
|
|
}.bind(this));
|
|
messageHandler.on('console_log', function (data) {
|
|
console.log.apply(console, data);
|
|
});
|
|
messageHandler.on('console_error', function (data) {
|
|
console.error.apply(console, data);
|
|
});
|
|
messageHandler.on('ready', function (data) {
|
|
worker.removeEventListener('error', onWorkerError);
|
|
if (this.destroyed) {
|
|
terminateEarly();
|
|
return;
|
|
}
|
|
try {
|
|
sendTest();
|
|
} catch (e) {
|
|
this._setupFakeWorker();
|
|
}
|
|
}.bind(this));
|
|
var sendTest = function () {
|
|
var postMessageTransfers = getDefaultSetting('postMessageTransfers') && !isPostMessageTransfersDisabled;
|
|
var testObj = new Uint8Array([postMessageTransfers ? 255 : 0]);
|
|
try {
|
|
messageHandler.send('test', testObj, [testObj.buffer]);
|
|
} catch (ex) {
|
|
info('Cannot use postMessage transfers');
|
|
testObj[0] = 0;
|
|
messageHandler.send('test', testObj);
|
|
}
|
|
};
|
|
sendTest();
|
|
return;
|
|
} catch (e) {
|
|
info('The worker has been disabled.');
|
|
}
|
|
}
|
|
this._setupFakeWorker();
|
|
},
|
|
_setupFakeWorker: function PDFWorker_setupFakeWorker() {
|
|
if (!isWorkerDisabled && !getDefaultSetting('disableWorker')) {
|
|
warn('Setting up fake worker.');
|
|
isWorkerDisabled = true;
|
|
}
|
|
setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
|
|
if (this.destroyed) {
|
|
this._readyCapability.reject(new Error('Worker was destroyed'));
|
|
return;
|
|
}
|
|
var isTypedArraysPresent = Uint8Array !== Float32Array;
|
|
var port = new FakeWorkerPort(isTypedArraysPresent);
|
|
this._port = port;
|
|
var id = 'fake' + nextFakeWorkerId++;
|
|
var workerHandler = new MessageHandler(id + '_worker', id, port);
|
|
WorkerMessageHandler.setup(workerHandler, port);
|
|
var messageHandler = new MessageHandler(id, id + '_worker', port);
|
|
this._messageHandler = messageHandler;
|
|
this._readyCapability.resolve();
|
|
}.bind(this));
|
|
},
|
|
destroy: function PDFWorker_destroy() {
|
|
this.destroyed = true;
|
|
if (this._webWorker) {
|
|
this._webWorker.terminate();
|
|
this._webWorker = null;
|
|
}
|
|
this._port = null;
|
|
if (this._messageHandler) {
|
|
this._messageHandler.destroy();
|
|
this._messageHandler = null;
|
|
}
|
|
}
|
|
};
|
|
return PDFWorker;
|
|
}();
|
|
var WorkerTransport = function WorkerTransportClosure() {
|
|
function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
|
|
this.messageHandler = messageHandler;
|
|
this.loadingTask = loadingTask;
|
|
this.pdfDataRangeTransport = pdfDataRangeTransport;
|
|
this.commonObjs = new PDFObjects();
|
|
this.fontLoader = new FontLoader(loadingTask.docId);
|
|
this.destroyed = false;
|
|
this.destroyCapability = null;
|
|
this._passwordCapability = null;
|
|
this.pageCache = [];
|
|
this.pagePromises = [];
|
|
this.downloadInfoCapability = createPromiseCapability();
|
|
this.setupMessageHandler();
|
|
}
|
|
WorkerTransport.prototype = {
|
|
destroy: function WorkerTransport_destroy() {
|
|
if (this.destroyCapability) {
|
|
return this.destroyCapability.promise;
|
|
}
|
|
this.destroyed = true;
|
|
this.destroyCapability = createPromiseCapability();
|
|
if (this._passwordCapability) {
|
|
this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
|
|
}
|
|
var waitOn = [];
|
|
this.pageCache.forEach(function (page) {
|
|
if (page) {
|
|
waitOn.push(page._destroy());
|
|
}
|
|
});
|
|
this.pageCache = [];
|
|
this.pagePromises = [];
|
|
var self = this;
|
|
var terminated = this.messageHandler.sendWithPromise('Terminate', null);
|
|
waitOn.push(terminated);
|
|
Promise.all(waitOn).then(function () {
|
|
self.fontLoader.clear();
|
|
if (self.pdfDataRangeTransport) {
|
|
self.pdfDataRangeTransport.abort();
|
|
self.pdfDataRangeTransport = null;
|
|
}
|
|
if (self.messageHandler) {
|
|
self.messageHandler.destroy();
|
|
self.messageHandler = null;
|
|
}
|
|
self.destroyCapability.resolve();
|
|
}, this.destroyCapability.reject);
|
|
return this.destroyCapability.promise;
|
|
},
|
|
setupMessageHandler: function WorkerTransport_setupMessageHandler() {
|
|
var messageHandler = this.messageHandler;
|
|
var loadingTask = this.loadingTask;
|
|
var pdfDataRangeTransport = this.pdfDataRangeTransport;
|
|
if (pdfDataRangeTransport) {
|
|
pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
|
|
messageHandler.send('OnDataRange', {
|
|
begin: begin,
|
|
chunk: chunk
|
|
});
|
|
});
|
|
pdfDataRangeTransport.addProgressListener(function (loaded) {
|
|
messageHandler.send('OnDataProgress', { loaded: loaded });
|
|
});
|
|
pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
|
|
messageHandler.send('OnDataRange', { chunk: chunk });
|
|
});
|
|
messageHandler.on('RequestDataRange', function transportDataRange(data) {
|
|
pdfDataRangeTransport.requestDataRange(data.begin, data.end);
|
|
}, this);
|
|
}
|
|
messageHandler.on('GetDoc', function transportDoc(data) {
|
|
var pdfInfo = data.pdfInfo;
|
|
this.numPages = data.pdfInfo.numPages;
|
|
var loadingTask = this.loadingTask;
|
|
var pdfDocument = new PDFDocumentProxy(pdfInfo, this, loadingTask);
|
|
this.pdfDocument = pdfDocument;
|
|
loadingTask._capability.resolve(pdfDocument);
|
|
}, this);
|
|
messageHandler.on('PasswordRequest', function transportPasswordRequest(exception) {
|
|
this._passwordCapability = createPromiseCapability();
|
|
if (loadingTask.onPassword) {
|
|
var updatePassword = function (password) {
|
|
this._passwordCapability.resolve({ password: password });
|
|
}.bind(this);
|
|
loadingTask.onPassword(updatePassword, exception.code);
|
|
} else {
|
|
this._passwordCapability.reject(new PasswordException(exception.message, exception.code));
|
|
}
|
|
return this._passwordCapability.promise;
|
|
}, this);
|
|
messageHandler.on('PasswordException', function transportPasswordException(exception) {
|
|
loadingTask._capability.reject(new PasswordException(exception.message, exception.code));
|
|
}, this);
|
|
messageHandler.on('InvalidPDF', function transportInvalidPDF(exception) {
|
|
this.loadingTask._capability.reject(new InvalidPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('MissingPDF', function transportMissingPDF(exception) {
|
|
this.loadingTask._capability.reject(new MissingPDFException(exception.message));
|
|
}, this);
|
|
messageHandler.on('UnexpectedResponse', function transportUnexpectedResponse(exception) {
|
|
this.loadingTask._capability.reject(new UnexpectedResponseException(exception.message, exception.status));
|
|
}, this);
|
|
messageHandler.on('UnknownError', function transportUnknownError(exception) {
|
|
this.loadingTask._capability.reject(new UnknownErrorException(exception.message, exception.details));
|
|
}, this);
|
|
messageHandler.on('DataLoaded', function transportPage(data) {
|
|
this.downloadInfoCapability.resolve(data);
|
|
}, this);
|
|
messageHandler.on('PDFManagerReady', function transportPage(data) {
|
|
if (this.pdfDataRangeTransport) {
|
|
this.pdfDataRangeTransport.transportReady();
|
|
}
|
|
}, this);
|
|
messageHandler.on('StartRenderPage', function transportRender(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var page = this.pageCache[data.pageIndex];
|
|
page.stats.timeEnd('Page Request');
|
|
page._startRenderPage(data.transparency, data.intent);
|
|
}, this);
|
|
messageHandler.on('RenderPageChunk', function transportRender(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var page = this.pageCache[data.pageIndex];
|
|
page._renderPageChunk(data.operatorList, data.intent);
|
|
}, this);
|
|
messageHandler.on('commonobj', function transportObj(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var id = data[0];
|
|
var type = data[1];
|
|
if (this.commonObjs.hasData(id)) {
|
|
return;
|
|
}
|
|
switch (type) {
|
|
case 'Font':
|
|
var exportedData = data[2];
|
|
if ('error' in exportedData) {
|
|
var exportedError = exportedData.error;
|
|
warn('Error during font loading: ' + exportedError);
|
|
this.commonObjs.resolve(id, exportedError);
|
|
break;
|
|
}
|
|
var fontRegistry = null;
|
|
if (getDefaultSetting('pdfBug') && globalScope.FontInspector && globalScope['FontInspector'].enabled) {
|
|
fontRegistry = {
|
|
registerFont: function (font, url) {
|
|
globalScope['FontInspector'].fontAdded(font, url);
|
|
}
|
|
};
|
|
}
|
|
var font = new FontFaceObject(exportedData, {
|
|
isEvalSuported: getDefaultSetting('isEvalSupported'),
|
|
disableFontFace: getDefaultSetting('disableFontFace'),
|
|
fontRegistry: fontRegistry
|
|
});
|
|
this.fontLoader.bind([font], function fontReady(fontObjs) {
|
|
this.commonObjs.resolve(id, font);
|
|
}.bind(this));
|
|
break;
|
|
case 'FontPath':
|
|
this.commonObjs.resolve(id, data[2]);
|
|
break;
|
|
default:
|
|
error('Got unknown common object type ' + type);
|
|
}
|
|
}, this);
|
|
messageHandler.on('obj', function transportObj(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var id = data[0];
|
|
var pageIndex = data[1];
|
|
var type = data[2];
|
|
var pageProxy = this.pageCache[pageIndex];
|
|
var imageData;
|
|
if (pageProxy.objs.hasData(id)) {
|
|
return;
|
|
}
|
|
switch (type) {
|
|
case 'JpegStream':
|
|
imageData = data[3];
|
|
loadJpegStream(id, imageData, pageProxy.objs);
|
|
break;
|
|
case 'Image':
|
|
imageData = data[3];
|
|
pageProxy.objs.resolve(id, imageData);
|
|
var MAX_IMAGE_SIZE_TO_STORE = 8000000;
|
|
if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
|
|
pageProxy.cleanupAfterRender = true;
|
|
}
|
|
break;
|
|
default:
|
|
error('Got unknown object type ' + type);
|
|
}
|
|
}, this);
|
|
messageHandler.on('DocProgress', function transportDocProgress(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var loadingTask = this.loadingTask;
|
|
if (loadingTask.onProgress) {
|
|
loadingTask.onProgress({
|
|
loaded: data.loaded,
|
|
total: data.total
|
|
});
|
|
}
|
|
}, this);
|
|
messageHandler.on('PageError', function transportError(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var page = this.pageCache[data.pageNum - 1];
|
|
var intentState = page.intentStates[data.intent];
|
|
if (intentState.displayReadyCapability) {
|
|
intentState.displayReadyCapability.reject(data.error);
|
|
} else {
|
|
error(data.error);
|
|
}
|
|
if (intentState.operatorList) {
|
|
intentState.operatorList.lastChunk = true;
|
|
for (var i = 0; i < intentState.renderTasks.length; i++) {
|
|
intentState.renderTasks[i].operatorListChanged();
|
|
}
|
|
}
|
|
}, this);
|
|
messageHandler.on('UnsupportedFeature', function transportUnsupportedFeature(data) {
|
|
if (this.destroyed) {
|
|
return;
|
|
}
|
|
var featureId = data.featureId;
|
|
var loadingTask = this.loadingTask;
|
|
if (loadingTask.onUnsupportedFeature) {
|
|
loadingTask.onUnsupportedFeature(featureId);
|
|
}
|
|
_UnsupportedManager.notify(featureId);
|
|
}, this);
|
|
messageHandler.on('JpegDecode', function (data) {
|
|
if (this.destroyed) {
|
|
return Promise.reject(new Error('Worker was destroyed'));
|
|
}
|
|
var imageUrl = data[0];
|
|
var components = data[1];
|
|
if (components !== 3 && components !== 1) {
|
|
return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
|
|
}
|
|
return new Promise(function (resolve, reject) {
|
|
var img = new Image();
|
|
img.onload = function () {
|
|
var width = img.width;
|
|
var height = img.height;
|
|
var size = width * height;
|
|
var rgbaLength = size * 4;
|
|
var buf = new Uint8Array(size * components);
|
|
var tmpCanvas = createScratchCanvas(width, height);
|
|
var tmpCtx = tmpCanvas.getContext('2d');
|
|
tmpCtx.drawImage(img, 0, 0);
|
|
var data = tmpCtx.getImageData(0, 0, width, height).data;
|
|
var i, j;
|
|
if (components === 3) {
|
|
for (i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
|
|
buf[j] = data[i];
|
|
buf[j + 1] = data[i + 1];
|
|
buf[j + 2] = data[i + 2];
|
|
}
|
|
} else if (components === 1) {
|
|
for (i = 0, j = 0; i < rgbaLength; i += 4, j++) {
|
|
buf[j] = data[i];
|
|
}
|
|
}
|
|
resolve({
|
|
data: buf,
|
|
width: width,
|
|
height: height
|
|
});
|
|
};
|
|
img.onerror = function () {
|
|
reject(new Error('JpegDecode failed to load image'));
|
|
};
|
|
img.src = imageUrl;
|
|
});
|
|
}, this);
|
|
},
|
|
getData: function WorkerTransport_getData() {
|
|
return this.messageHandler.sendWithPromise('GetData', null);
|
|
},
|
|
getPage: function WorkerTransport_getPage(pageNumber, capability) {
|
|
if (!isInt(pageNumber) || pageNumber <= 0 || pageNumber > this.numPages) {
|
|
return Promise.reject(new Error('Invalid page request'));
|
|
}
|
|
var pageIndex = pageNumber - 1;
|
|
if (pageIndex in this.pagePromises) {
|
|
return this.pagePromises[pageIndex];
|
|
}
|
|
var promise = this.messageHandler.sendWithPromise('GetPage', { pageIndex: pageIndex }).then(function (pageInfo) {
|
|
if (this.destroyed) {
|
|
throw new Error('Transport destroyed');
|
|
}
|
|
var page = new PDFPageProxy(pageIndex, pageInfo, this);
|
|
this.pageCache[pageIndex] = page;
|
|
return page;
|
|
}.bind(this));
|
|
this.pagePromises[pageIndex] = promise;
|
|
return promise;
|
|
},
|
|
getPageIndex: function WorkerTransport_getPageIndexByRef(ref) {
|
|
return this.messageHandler.sendWithPromise('GetPageIndex', { ref: ref }).catch(function (reason) {
|
|
return Promise.reject(new Error(reason));
|
|
});
|
|
},
|
|
getAnnotations: function WorkerTransport_getAnnotations(pageIndex, intent) {
|
|
return this.messageHandler.sendWithPromise('GetAnnotations', {
|
|
pageIndex: pageIndex,
|
|
intent: intent
|
|
});
|
|
},
|
|
getDestinations: function WorkerTransport_getDestinations() {
|
|
return this.messageHandler.sendWithPromise('GetDestinations', null);
|
|
},
|
|
getDestination: function WorkerTransport_getDestination(id) {
|
|
return this.messageHandler.sendWithPromise('GetDestination', { id: id });
|
|
},
|
|
getPageLabels: function WorkerTransport_getPageLabels() {
|
|
return this.messageHandler.sendWithPromise('GetPageLabels', null);
|
|
},
|
|
getAttachments: function WorkerTransport_getAttachments() {
|
|
return this.messageHandler.sendWithPromise('GetAttachments', null);
|
|
},
|
|
getJavaScript: function WorkerTransport_getJavaScript() {
|
|
return this.messageHandler.sendWithPromise('GetJavaScript', null);
|
|
},
|
|
getOutline: function WorkerTransport_getOutline() {
|
|
return this.messageHandler.sendWithPromise('GetOutline', null);
|
|
},
|
|
getMetadata: function WorkerTransport_getMetadata() {
|
|
return this.messageHandler.sendWithPromise('GetMetadata', null).then(function transportMetadata(results) {
|
|
return {
|
|
info: results[0],
|
|
metadata: results[1] ? new Metadata(results[1]) : null
|
|
};
|
|
});
|
|
},
|
|
getStats: function WorkerTransport_getStats() {
|
|
return this.messageHandler.sendWithPromise('GetStats', null);
|
|
},
|
|
startCleanup: function WorkerTransport_startCleanup() {
|
|
this.messageHandler.sendWithPromise('Cleanup', null).then(function endCleanup() {
|
|
for (var i = 0, ii = this.pageCache.length; i < ii; i++) {
|
|
var page = this.pageCache[i];
|
|
if (page) {
|
|
page.cleanup();
|
|
}
|
|
}
|
|
this.commonObjs.clear();
|
|
this.fontLoader.clear();
|
|
}.bind(this));
|
|
}
|
|
};
|
|
return WorkerTransport;
|
|
}();
|
|
var PDFObjects = function PDFObjectsClosure() {
|
|
function PDFObjects() {
|
|
this.objs = Object.create(null);
|
|
}
|
|
PDFObjects.prototype = {
|
|
ensureObj: function PDFObjects_ensureObj(objId) {
|
|
if (this.objs[objId]) {
|
|
return this.objs[objId];
|
|
}
|
|
var obj = {
|
|
capability: createPromiseCapability(),
|
|
data: null,
|
|
resolved: false
|
|
};
|
|
this.objs[objId] = obj;
|
|
return obj;
|
|
},
|
|
get: function PDFObjects_get(objId, callback) {
|
|
if (callback) {
|
|
this.ensureObj(objId).capability.promise.then(callback);
|
|
return null;
|
|
}
|
|
var obj = this.objs[objId];
|
|
if (!obj || !obj.resolved) {
|
|
error('Requesting object that isn\'t resolved yet ' + objId);
|
|
}
|
|
return obj.data;
|
|
},
|
|
resolve: function PDFObjects_resolve(objId, data) {
|
|
var obj = this.ensureObj(objId);
|
|
obj.resolved = true;
|
|
obj.data = data;
|
|
obj.capability.resolve(data);
|
|
},
|
|
isResolved: function PDFObjects_isResolved(objId) {
|
|
var objs = this.objs;
|
|
if (!objs[objId]) {
|
|
return false;
|
|
}
|
|
return objs[objId].resolved;
|
|
},
|
|
hasData: function PDFObjects_hasData(objId) {
|
|
return this.isResolved(objId);
|
|
},
|
|
getData: function PDFObjects_getData(objId) {
|
|
var objs = this.objs;
|
|
if (!objs[objId] || !objs[objId].resolved) {
|
|
return null;
|
|
}
|
|
return objs[objId].data;
|
|
},
|
|
clear: function PDFObjects_clear() {
|
|
this.objs = Object.create(null);
|
|
}
|
|
};
|
|
return PDFObjects;
|
|
}();
|
|
var RenderTask = function RenderTaskClosure() {
|
|
function RenderTask(internalRenderTask) {
|
|
this._internalRenderTask = internalRenderTask;
|
|
this.onContinue = null;
|
|
}
|
|
RenderTask.prototype = {
|
|
get promise() {
|
|
return this._internalRenderTask.capability.promise;
|
|
},
|
|
cancel: function RenderTask_cancel() {
|
|
this._internalRenderTask.cancel();
|
|
},
|
|
then: function RenderTask_then(onFulfilled, onRejected) {
|
|
return this.promise.then.apply(this.promise, arguments);
|
|
}
|
|
};
|
|
return RenderTask;
|
|
}();
|
|
var InternalRenderTask = function InternalRenderTaskClosure() {
|
|
function InternalRenderTask(callback, params, objs, commonObjs, operatorList, pageNumber) {
|
|
this.callback = callback;
|
|
this.params = params;
|
|
this.objs = objs;
|
|
this.commonObjs = commonObjs;
|
|
this.operatorListIdx = null;
|
|
this.operatorList = operatorList;
|
|
this.pageNumber = pageNumber;
|
|
this.running = false;
|
|
this.graphicsReadyCallback = null;
|
|
this.graphicsReady = false;
|
|
this.useRequestAnimationFrame = false;
|
|
this.cancelled = false;
|
|
this.capability = createPromiseCapability();
|
|
this.task = new RenderTask(this);
|
|
this._continueBound = this._continue.bind(this);
|
|
this._scheduleNextBound = this._scheduleNext.bind(this);
|
|
this._nextBound = this._next.bind(this);
|
|
}
|
|
InternalRenderTask.prototype = {
|
|
initializeGraphics: function InternalRenderTask_initializeGraphics(transparency) {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
if (getDefaultSetting('pdfBug') && globalScope.StepperManager && globalScope.StepperManager.enabled) {
|
|
this.stepper = globalScope.StepperManager.create(this.pageNumber - 1);
|
|
this.stepper.init(this.operatorList);
|
|
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
|
|
}
|
|
var params = this.params;
|
|
this.gfx = new CanvasGraphics(params.canvasContext, this.commonObjs, this.objs, params.imageLayer);
|
|
this.gfx.beginDrawing(params.transform, params.viewport, transparency);
|
|
this.operatorListIdx = 0;
|
|
this.graphicsReady = true;
|
|
if (this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback();
|
|
}
|
|
},
|
|
cancel: function InternalRenderTask_cancel() {
|
|
this.running = false;
|
|
this.cancelled = true;
|
|
this.callback('cancelled');
|
|
},
|
|
operatorListChanged: function InternalRenderTask_operatorListChanged() {
|
|
if (!this.graphicsReady) {
|
|
if (!this.graphicsReadyCallback) {
|
|
this.graphicsReadyCallback = this._continueBound;
|
|
}
|
|
return;
|
|
}
|
|
if (this.stepper) {
|
|
this.stepper.updateOperatorList(this.operatorList);
|
|
}
|
|
if (this.running) {
|
|
return;
|
|
}
|
|
this._continue();
|
|
},
|
|
_continue: function InternalRenderTask__continue() {
|
|
this.running = true;
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
if (this.task.onContinue) {
|
|
this.task.onContinue(this._scheduleNextBound);
|
|
} else {
|
|
this._scheduleNext();
|
|
}
|
|
},
|
|
_scheduleNext: function InternalRenderTask__scheduleNext() {
|
|
if (this.useRequestAnimationFrame && typeof window !== 'undefined') {
|
|
window.requestAnimationFrame(this._nextBound);
|
|
} else {
|
|
Promise.resolve(undefined).then(this._nextBound);
|
|
}
|
|
},
|
|
_next: function InternalRenderTask__next() {
|
|
if (this.cancelled) {
|
|
return;
|
|
}
|
|
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
|
|
if (this.operatorListIdx === this.operatorList.argsArray.length) {
|
|
this.running = false;
|
|
if (this.operatorList.lastChunk) {
|
|
this.gfx.endDrawing();
|
|
this.callback();
|
|
}
|
|
}
|
|
}
|
|
};
|
|
return InternalRenderTask;
|
|
}();
|
|
var _UnsupportedManager = function UnsupportedManagerClosure() {
|
|
var listeners = [];
|
|
return {
|
|
listen: function (cb) {
|
|
deprecated('Global UnsupportedManager.listen is used: ' + ' use PDFDocumentLoadingTask.onUnsupportedFeature instead');
|
|
listeners.push(cb);
|
|
},
|
|
notify: function (featureId) {
|
|
for (var i = 0, ii = listeners.length; i < ii; i++) {
|
|
listeners[i](featureId);
|
|
}
|
|
}
|
|
};
|
|
}();
|
|
if (typeof pdfjsVersion !== 'undefined') {
|
|
exports.version = pdfjsVersion;
|
|
}
|
|
if (typeof pdfjsBuild !== 'undefined') {
|
|
exports.build = pdfjsBuild;
|
|
}
|
|
exports.getDocument = getDocument;
|
|
exports.PDFDataRangeTransport = PDFDataRangeTransport;
|
|
exports.PDFWorker = PDFWorker;
|
|
exports.PDFDocumentProxy = PDFDocumentProxy;
|
|
exports.PDFPageProxy = PDFPageProxy;
|
|
exports._UnsupportedManager = _UnsupportedManager;
|
|
}));
|
|
(function (root, factory) {
|
|
factory(root.pdfjsDisplayGlobal = {}, root.pdfjsSharedUtil, root.pdfjsDisplayDOMUtils, root.pdfjsDisplayAPI, root.pdfjsDisplayAnnotationLayer, root.pdfjsDisplayTextLayer, root.pdfjsDisplayMetadata, root.pdfjsDisplaySVG);
|
|
}(this, function (exports, sharedUtil, displayDOMUtils, displayAPI, displayAnnotationLayer, displayTextLayer, displayMetadata, displaySVG) {
|
|
var globalScope = sharedUtil.globalScope;
|
|
var deprecated = sharedUtil.deprecated;
|
|
var warn = sharedUtil.warn;
|
|
var LinkTarget = displayDOMUtils.LinkTarget;
|
|
var DEFAULT_LINK_REL = displayDOMUtils.DEFAULT_LINK_REL;
|
|
var isWorker = typeof window === 'undefined';
|
|
if (!globalScope.PDFJS) {
|
|
globalScope.PDFJS = {};
|
|
}
|
|
var PDFJS = globalScope.PDFJS;
|
|
if (typeof pdfjsVersion !== 'undefined') {
|
|
PDFJS.version = pdfjsVersion;
|
|
}
|
|
if (typeof pdfjsBuild !== 'undefined') {
|
|
PDFJS.build = pdfjsBuild;
|
|
}
|
|
PDFJS.pdfBug = false;
|
|
if (PDFJS.verbosity !== undefined) {
|
|
sharedUtil.setVerbosityLevel(PDFJS.verbosity);
|
|
}
|
|
delete PDFJS.verbosity;
|
|
Object.defineProperty(PDFJS, 'verbosity', {
|
|
get: function () {
|
|
return sharedUtil.getVerbosityLevel();
|
|
},
|
|
set: function (level) {
|
|
sharedUtil.setVerbosityLevel(level);
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
PDFJS.VERBOSITY_LEVELS = sharedUtil.VERBOSITY_LEVELS;
|
|
PDFJS.OPS = sharedUtil.OPS;
|
|
PDFJS.UNSUPPORTED_FEATURES = sharedUtil.UNSUPPORTED_FEATURES;
|
|
PDFJS.isValidUrl = displayDOMUtils.isValidUrl;
|
|
PDFJS.shadow = sharedUtil.shadow;
|
|
PDFJS.createBlob = sharedUtil.createBlob;
|
|
PDFJS.createObjectURL = function PDFJS_createObjectURL(data, contentType) {
|
|
return sharedUtil.createObjectURL(data, contentType, PDFJS.disableCreateObjectURL);
|
|
};
|
|
Object.defineProperty(PDFJS, 'isLittleEndian', {
|
|
configurable: true,
|
|
get: function PDFJS_isLittleEndian() {
|
|
var value = sharedUtil.isLittleEndian();
|
|
return sharedUtil.shadow(PDFJS, 'isLittleEndian', value);
|
|
}
|
|
});
|
|
PDFJS.removeNullCharacters = sharedUtil.removeNullCharacters;
|
|
PDFJS.PasswordResponses = sharedUtil.PasswordResponses;
|
|
PDFJS.PasswordException = sharedUtil.PasswordException;
|
|
PDFJS.UnknownErrorException = sharedUtil.UnknownErrorException;
|
|
PDFJS.InvalidPDFException = sharedUtil.InvalidPDFException;
|
|
PDFJS.MissingPDFException = sharedUtil.MissingPDFException;
|
|
PDFJS.UnexpectedResponseException = sharedUtil.UnexpectedResponseException;
|
|
PDFJS.Util = sharedUtil.Util;
|
|
PDFJS.PageViewport = sharedUtil.PageViewport;
|
|
PDFJS.createPromiseCapability = sharedUtil.createPromiseCapability;
|
|
PDFJS.maxImageSize = PDFJS.maxImageSize === undefined ? -1 : PDFJS.maxImageSize;
|
|
PDFJS.cMapUrl = PDFJS.cMapUrl === undefined ? null : PDFJS.cMapUrl;
|
|
PDFJS.cMapPacked = PDFJS.cMapPacked === undefined ? false : PDFJS.cMapPacked;
|
|
PDFJS.disableFontFace = PDFJS.disableFontFace === undefined ? false : PDFJS.disableFontFace;
|
|
PDFJS.imageResourcesPath = PDFJS.imageResourcesPath === undefined ? '' : PDFJS.imageResourcesPath;
|
|
PDFJS.disableWorker = PDFJS.disableWorker === undefined ? false : PDFJS.disableWorker;
|
|
PDFJS.workerSrc = PDFJS.workerSrc === undefined ? null : PDFJS.workerSrc;
|
|
PDFJS.disableRange = PDFJS.disableRange === undefined ? false : PDFJS.disableRange;
|
|
PDFJS.disableStream = PDFJS.disableStream === undefined ? false : PDFJS.disableStream;
|
|
PDFJS.disableAutoFetch = PDFJS.disableAutoFetch === undefined ? false : PDFJS.disableAutoFetch;
|
|
PDFJS.pdfBug = PDFJS.pdfBug === undefined ? false : PDFJS.pdfBug;
|
|
PDFJS.postMessageTransfers = PDFJS.postMessageTransfers === undefined ? true : PDFJS.postMessageTransfers;
|
|
PDFJS.disableCreateObjectURL = PDFJS.disableCreateObjectURL === undefined ? false : PDFJS.disableCreateObjectURL;
|
|
PDFJS.disableWebGL = PDFJS.disableWebGL === undefined ? true : PDFJS.disableWebGL;
|
|
PDFJS.externalLinkTarget = PDFJS.externalLinkTarget === undefined ? LinkTarget.NONE : PDFJS.externalLinkTarget;
|
|
PDFJS.externalLinkRel = PDFJS.externalLinkRel === undefined ? DEFAULT_LINK_REL : PDFJS.externalLinkRel;
|
|
PDFJS.isEvalSupported = PDFJS.isEvalSupported === undefined ? true : PDFJS.isEvalSupported;
|
|
var savedOpenExternalLinksInNewWindow = PDFJS.openExternalLinksInNewWindow;
|
|
delete PDFJS.openExternalLinksInNewWindow;
|
|
Object.defineProperty(PDFJS, 'openExternalLinksInNewWindow', {
|
|
get: function () {
|
|
return PDFJS.externalLinkTarget === LinkTarget.BLANK;
|
|
},
|
|
set: function (value) {
|
|
if (value) {
|
|
deprecated('PDFJS.openExternalLinksInNewWindow, please use ' + '"PDFJS.externalLinkTarget = PDFJS.LinkTarget.BLANK" instead.');
|
|
}
|
|
if (PDFJS.externalLinkTarget !== LinkTarget.NONE) {
|
|
warn('PDFJS.externalLinkTarget is already initialized');
|
|
return;
|
|
}
|
|
PDFJS.externalLinkTarget = value ? LinkTarget.BLANK : LinkTarget.NONE;
|
|
},
|
|
enumerable: true,
|
|
configurable: true
|
|
});
|
|
if (savedOpenExternalLinksInNewWindow) {
|
|
PDFJS.openExternalLinksInNewWindow = savedOpenExternalLinksInNewWindow;
|
|
}
|
|
PDFJS.getDocument = displayAPI.getDocument;
|
|
PDFJS.PDFDataRangeTransport = displayAPI.PDFDataRangeTransport;
|
|
PDFJS.PDFWorker = displayAPI.PDFWorker;
|
|
Object.defineProperty(PDFJS, 'hasCanvasTypedArrays', {
|
|
configurable: true,
|
|
get: function PDFJS_hasCanvasTypedArrays() {
|
|
var value = displayDOMUtils.hasCanvasTypedArrays();
|
|
return sharedUtil.shadow(PDFJS, 'hasCanvasTypedArrays', value);
|
|
}
|
|
});
|
|
PDFJS.CustomStyle = displayDOMUtils.CustomStyle;
|
|
PDFJS.LinkTarget = LinkTarget;
|
|
PDFJS.addLinkAttributes = displayDOMUtils.addLinkAttributes;
|
|
PDFJS.getFilenameFromUrl = displayDOMUtils.getFilenameFromUrl;
|
|
PDFJS.isExternalLinkTargetSet = displayDOMUtils.isExternalLinkTargetSet;
|
|
PDFJS.AnnotationLayer = displayAnnotationLayer.AnnotationLayer;
|
|
PDFJS.renderTextLayer = displayTextLayer.renderTextLayer;
|
|
PDFJS.Metadata = displayMetadata.Metadata;
|
|
PDFJS.SVGGraphics = displaySVG.SVGGraphics;
|
|
PDFJS.UnsupportedManager = displayAPI._UnsupportedManager;
|
|
exports.globalScope = globalScope;
|
|
exports.isWorker = isWorker;
|
|
exports.PDFJS = globalScope.PDFJS;
|
|
}));
|
|
}.call(pdfjsLibs));
|
|
exports.PDFJS = pdfjsLibs.pdfjsDisplayGlobal.PDFJS;
|
|
exports.build = pdfjsLibs.pdfjsDisplayAPI.build;
|
|
exports.version = pdfjsLibs.pdfjsDisplayAPI.version;
|
|
exports.getDocument = pdfjsLibs.pdfjsDisplayAPI.getDocument;
|
|
exports.PDFDataRangeTransport = pdfjsLibs.pdfjsDisplayAPI.PDFDataRangeTransport;
|
|
exports.PDFWorker = pdfjsLibs.pdfjsDisplayAPI.PDFWorker;
|
|
exports.renderTextLayer = pdfjsLibs.pdfjsDisplayTextLayer.renderTextLayer;
|
|
exports.AnnotationLayer = pdfjsLibs.pdfjsDisplayAnnotationLayer.AnnotationLayer;
|
|
exports.CustomStyle = pdfjsLibs.pdfjsDisplayDOMUtils.CustomStyle;
|
|
exports.PasswordResponses = pdfjsLibs.pdfjsSharedUtil.PasswordResponses;
|
|
exports.InvalidPDFException = pdfjsLibs.pdfjsSharedUtil.InvalidPDFException;
|
|
exports.MissingPDFException = pdfjsLibs.pdfjsSharedUtil.MissingPDFException;
|
|
exports.SVGGraphics = pdfjsLibs.pdfjsDisplaySVG.SVGGraphics;
|
|
exports.UnexpectedResponseException = pdfjsLibs.pdfjsSharedUtil.UnexpectedResponseException;
|
|
exports.OPS = pdfjsLibs.pdfjsSharedUtil.OPS;
|
|
exports.UNSUPPORTED_FEATURES = pdfjsLibs.pdfjsSharedUtil.UNSUPPORTED_FEATURES;
|
|
exports.isValidUrl = pdfjsLibs.pdfjsDisplayDOMUtils.isValidUrl;
|
|
exports.createValidAbsoluteUrl = pdfjsLibs.pdfjsSharedUtil.createValidAbsoluteUrl;
|
|
exports.createObjectURL = pdfjsLibs.pdfjsSharedUtil.createObjectURL;
|
|
exports.removeNullCharacters = pdfjsLibs.pdfjsSharedUtil.removeNullCharacters;
|
|
exports.shadow = pdfjsLibs.pdfjsSharedUtil.shadow;
|
|
exports.createBlob = pdfjsLibs.pdfjsSharedUtil.createBlob;
|
|
exports.getFilenameFromUrl = pdfjsLibs.pdfjsDisplayDOMUtils.getFilenameFromUrl;
|
|
exports.addLinkAttributes = pdfjsLibs.pdfjsDisplayDOMUtils.addLinkAttributes;
|
|
})); |