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calibre-web/cps/static/js/libs/pdf.mjs

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Update pdf Reader to 4.3.136
2024-06-09 09:59:38 +00:00
/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2023 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
/******/ // The require scope
/******/ var __webpack_require__ = {};
/******/
/************************************************************************/
/******/ /* webpack/runtime/define property getters */
/******/ (() => {
/******/ // define getter functions for harmony exports
/******/ __webpack_require__.d = (exports, definition) => {
/******/ for(var key in definition) {
/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
/******/ }
/******/ }
/******/ };
/******/ })();
/******/
/******/ /* webpack/runtime/hasOwnProperty shorthand */
/******/ (() => {
/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
/******/ })();
/******/
/************************************************************************/
var __webpack_exports__ = globalThis.pdfjsLib = {};
// EXPORTS
__webpack_require__.d(__webpack_exports__, {
AbortException: () => (/* reexport */ AbortException),
AnnotationEditorLayer: () => (/* reexport */ AnnotationEditorLayer),
AnnotationEditorParamsType: () => (/* reexport */ AnnotationEditorParamsType),
AnnotationEditorType: () => (/* reexport */ AnnotationEditorType),
AnnotationEditorUIManager: () => (/* reexport */ AnnotationEditorUIManager),
AnnotationLayer: () => (/* reexport */ AnnotationLayer),
AnnotationMode: () => (/* reexport */ AnnotationMode),
CMapCompressionType: () => (/* reexport */ CMapCompressionType),
ColorPicker: () => (/* reexport */ ColorPicker),
DOMSVGFactory: () => (/* reexport */ DOMSVGFactory),
DrawLayer: () => (/* reexport */ DrawLayer),
FeatureTest: () => (/* reexport */ util_FeatureTest),
GlobalWorkerOptions: () => (/* reexport */ GlobalWorkerOptions),
ImageKind: () => (/* reexport */ util_ImageKind),
InvalidPDFException: () => (/* reexport */ InvalidPDFException),
MissingPDFException: () => (/* reexport */ MissingPDFException),
OPS: () => (/* reexport */ OPS),
Outliner: () => (/* reexport */ Outliner),
PDFDataRangeTransport: () => (/* reexport */ PDFDataRangeTransport),
PDFDateString: () => (/* reexport */ PDFDateString),
PDFWorker: () => (/* reexport */ PDFWorker),
PasswordResponses: () => (/* reexport */ PasswordResponses),
PermissionFlag: () => (/* reexport */ PermissionFlag),
PixelsPerInch: () => (/* reexport */ PixelsPerInch),
RenderingCancelledException: () => (/* reexport */ RenderingCancelledException),
TextLayer: () => (/* reexport */ TextLayer),
UnexpectedResponseException: () => (/* reexport */ UnexpectedResponseException),
Util: () => (/* reexport */ Util),
VerbosityLevel: () => (/* reexport */ VerbosityLevel),
XfaLayer: () => (/* reexport */ XfaLayer),
build: () => (/* reexport */ build),
createValidAbsoluteUrl: () => (/* reexport */ createValidAbsoluteUrl),
fetchData: () => (/* reexport */ fetchData),
getDocument: () => (/* reexport */ getDocument),
getFilenameFromUrl: () => (/* reexport */ getFilenameFromUrl),
getPdfFilenameFromUrl: () => (/* reexport */ getPdfFilenameFromUrl),
getXfaPageViewport: () => (/* reexport */ getXfaPageViewport),
isDataScheme: () => (/* reexport */ isDataScheme),
isPdfFile: () => (/* reexport */ isPdfFile),
noContextMenu: () => (/* reexport */ noContextMenu),
normalizeUnicode: () => (/* reexport */ normalizeUnicode),
renderTextLayer: () => (/* reexport */ renderTextLayer),
setLayerDimensions: () => (/* reexport */ setLayerDimensions),
shadow: () => (/* reexport */ shadow),
updateTextLayer: () => (/* reexport */ updateTextLayer),
version: () => (/* reexport */ version)
});
;// CONCATENATED MODULE: ./src/shared/util.js
const isNodeJS = typeof process === "object" && process + "" === "[object process]" && !process.versions.nw && !(process.versions.electron && process.type && process.type !== "browser");
const IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
const FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
const MAX_IMAGE_SIZE_TO_CACHE = 10e6;
const LINE_FACTOR = 1.35;
const LINE_DESCENT_FACTOR = 0.35;
const BASELINE_FACTOR = LINE_DESCENT_FACTOR / LINE_FACTOR;
const RenderingIntentFlag = {
ANY: 0x01,
DISPLAY: 0x02,
PRINT: 0x04,
SAVE: 0x08,
ANNOTATIONS_FORMS: 0x10,
ANNOTATIONS_STORAGE: 0x20,
ANNOTATIONS_DISABLE: 0x40,
OPLIST: 0x100
};
const AnnotationMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_FORMS: 2,
ENABLE_STORAGE: 3
};
const AnnotationEditorPrefix = "pdfjs_internal_editor_";
const AnnotationEditorType = {
DISABLE: -1,
NONE: 0,
FREETEXT: 3,
HIGHLIGHT: 9,
STAMP: 13,
INK: 15
};
const AnnotationEditorParamsType = {
RESIZE: 1,
CREATE: 2,
FREETEXT_SIZE: 11,
FREETEXT_COLOR: 12,
FREETEXT_OPACITY: 13,
INK_COLOR: 21,
INK_THICKNESS: 22,
INK_OPACITY: 23,
HIGHLIGHT_COLOR: 31,
HIGHLIGHT_DEFAULT_COLOR: 32,
HIGHLIGHT_THICKNESS: 33,
HIGHLIGHT_FREE: 34,
HIGHLIGHT_SHOW_ALL: 35
};
const PermissionFlag = {
PRINT: 0x04,
MODIFY_CONTENTS: 0x08,
COPY: 0x10,
MODIFY_ANNOTATIONS: 0x20,
FILL_INTERACTIVE_FORMS: 0x100,
COPY_FOR_ACCESSIBILITY: 0x200,
ASSEMBLE: 0x400,
PRINT_HIGH_QUALITY: 0x800
};
const TextRenderingMode = {
FILL: 0,
STROKE: 1,
FILL_STROKE: 2,
INVISIBLE: 3,
FILL_ADD_TO_PATH: 4,
STROKE_ADD_TO_PATH: 5,
FILL_STROKE_ADD_TO_PATH: 6,
ADD_TO_PATH: 7,
FILL_STROKE_MASK: 3,
ADD_TO_PATH_FLAG: 4
};
const util_ImageKind = {
GRAYSCALE_1BPP: 1,
RGB_24BPP: 2,
RGBA_32BPP: 3
};
const AnnotationType = {
TEXT: 1,
LINK: 2,
FREETEXT: 3,
LINE: 4,
SQUARE: 5,
CIRCLE: 6,
POLYGON: 7,
POLYLINE: 8,
HIGHLIGHT: 9,
UNDERLINE: 10,
SQUIGGLY: 11,
STRIKEOUT: 12,
STAMP: 13,
CARET: 14,
INK: 15,
POPUP: 16,
FILEATTACHMENT: 17,
SOUND: 18,
MOVIE: 19,
WIDGET: 20,
SCREEN: 21,
PRINTERMARK: 22,
TRAPNET: 23,
WATERMARK: 24,
THREED: 25,
REDACT: 26
};
const AnnotationReplyType = {
GROUP: "Group",
REPLY: "R"
};
const AnnotationFlag = {
INVISIBLE: 0x01,
HIDDEN: 0x02,
PRINT: 0x04,
NOZOOM: 0x08,
NOROTATE: 0x10,
NOVIEW: 0x20,
READONLY: 0x40,
LOCKED: 0x80,
TOGGLENOVIEW: 0x100,
LOCKEDCONTENTS: 0x200
};
const AnnotationFieldFlag = {
READONLY: 0x0000001,
REQUIRED: 0x0000002,
NOEXPORT: 0x0000004,
MULTILINE: 0x0001000,
PASSWORD: 0x0002000,
NOTOGGLETOOFF: 0x0004000,
RADIO: 0x0008000,
PUSHBUTTON: 0x0010000,
COMBO: 0x0020000,
EDIT: 0x0040000,
SORT: 0x0080000,
FILESELECT: 0x0100000,
MULTISELECT: 0x0200000,
DONOTSPELLCHECK: 0x0400000,
DONOTSCROLL: 0x0800000,
COMB: 0x1000000,
RICHTEXT: 0x2000000,
RADIOSINUNISON: 0x2000000,
COMMITONSELCHANGE: 0x4000000
};
const AnnotationBorderStyleType = {
SOLID: 1,
DASHED: 2,
BEVELED: 3,
INSET: 4,
UNDERLINE: 5
};
const AnnotationActionEventType = {
E: "Mouse Enter",
X: "Mouse Exit",
D: "Mouse Down",
U: "Mouse Up",
Fo: "Focus",
Bl: "Blur",
PO: "PageOpen",
PC: "PageClose",
PV: "PageVisible",
PI: "PageInvisible",
K: "Keystroke",
F: "Format",
V: "Validate",
C: "Calculate"
};
const DocumentActionEventType = {
WC: "WillClose",
WS: "WillSave",
DS: "DidSave",
WP: "WillPrint",
DP: "DidPrint"
};
const PageActionEventType = {
O: "PageOpen",
C: "PageClose"
};
const VerbosityLevel = {
ERRORS: 0,
WARNINGS: 1,
INFOS: 5
};
const CMapCompressionType = {
NONE: 0,
BINARY: 1
};
const OPS = {
dependency: 1,
setLineWidth: 2,
setLineCap: 3,
setLineJoin: 4,
setMiterLimit: 5,
setDash: 6,
setRenderingIntent: 7,
setFlatness: 8,
setGState: 9,
save: 10,
restore: 11,
transform: 12,
moveTo: 13,
lineTo: 14,
curveTo: 15,
curveTo2: 16,
curveTo3: 17,
closePath: 18,
rectangle: 19,
stroke: 20,
closeStroke: 21,
fill: 22,
eoFill: 23,
fillStroke: 24,
eoFillStroke: 25,
closeFillStroke: 26,
closeEOFillStroke: 27,
endPath: 28,
clip: 29,
eoClip: 30,
beginText: 31,
endText: 32,
setCharSpacing: 33,
setWordSpacing: 34,
setHScale: 35,
setLeading: 36,
setFont: 37,
setTextRenderingMode: 38,
setTextRise: 39,
moveText: 40,
setLeadingMoveText: 41,
setTextMatrix: 42,
nextLine: 43,
showText: 44,
showSpacedText: 45,
nextLineShowText: 46,
nextLineSetSpacingShowText: 47,
setCharWidth: 48,
setCharWidthAndBounds: 49,
setStrokeColorSpace: 50,
setFillColorSpace: 51,
setStrokeColor: 52,
setStrokeColorN: 53,
setFillColor: 54,
setFillColorN: 55,
setStrokeGray: 56,
setFillGray: 57,
setStrokeRGBColor: 58,
setFillRGBColor: 59,
setStrokeCMYKColor: 60,
setFillCMYKColor: 61,
shadingFill: 62,
beginInlineImage: 63,
beginImageData: 64,
endInlineImage: 65,
paintXObject: 66,
markPoint: 67,
markPointProps: 68,
beginMarkedContent: 69,
beginMarkedContentProps: 70,
endMarkedContent: 71,
beginCompat: 72,
endCompat: 73,
paintFormXObjectBegin: 74,
paintFormXObjectEnd: 75,
beginGroup: 76,
endGroup: 77,
beginAnnotation: 80,
endAnnotation: 81,
paintImageMaskXObject: 83,
paintImageMaskXObjectGroup: 84,
paintImageXObject: 85,
paintInlineImageXObject: 86,
paintInlineImageXObjectGroup: 87,
paintImageXObjectRepeat: 88,
paintImageMaskXObjectRepeat: 89,
paintSolidColorImageMask: 90,
constructPath: 91
};
const PasswordResponses = {
NEED_PASSWORD: 1,
INCORRECT_PASSWORD: 2
};
let verbosity = VerbosityLevel.WARNINGS;
function setVerbosityLevel(level) {
if (Number.isInteger(level)) {
verbosity = level;
}
}
function getVerbosityLevel() {
return verbosity;
}
function info(msg) {
if (verbosity >= VerbosityLevel.INFOS) {
console.log(`Info: ${msg}`);
}
}
function warn(msg) {
if (verbosity >= VerbosityLevel.WARNINGS) {
console.log(`Warning: ${msg}`);
}
}
function unreachable(msg) {
throw new Error(msg);
}
function assert(cond, msg) {
if (!cond) {
unreachable(msg);
}
}
function _isValidProtocol(url) {
switch (url?.protocol) {
case "http:":
case "https:":
case "ftp:":
case "mailto:":
case "tel:":
return true;
default:
return false;
}
}
function createValidAbsoluteUrl(url, baseUrl = null, options = null) {
if (!url) {
return null;
}
try {
if (options && typeof url === "string") {
if (options.addDefaultProtocol && url.startsWith("www.")) {
const dots = url.match(/\./g);
if (dots?.length >= 2) {
url = `http://${url}`;
}
}
if (options.tryConvertEncoding) {
try {
url = stringToUTF8String(url);
} catch {}
}
}
const absoluteUrl = baseUrl ? new URL(url, baseUrl) : new URL(url);
if (_isValidProtocol(absoluteUrl)) {
return absoluteUrl;
}
} catch {}
return null;
}
function shadow(obj, prop, value, nonSerializable = false) {
Object.defineProperty(obj, prop, {
value,
enumerable: !nonSerializable,
configurable: true,
writable: false
});
return value;
}
const BaseException = function BaseExceptionClosure() {
function BaseException(message, name) {
if (this.constructor === BaseException) {
unreachable("Cannot initialize BaseException.");
}
this.message = message;
this.name = name;
}
BaseException.prototype = new Error();
BaseException.constructor = BaseException;
return BaseException;
}();
class PasswordException extends BaseException {
constructor(msg, code) {
super(msg, "PasswordException");
this.code = code;
}
}
class UnknownErrorException extends BaseException {
constructor(msg, details) {
super(msg, "UnknownErrorException");
this.details = details;
}
}
class InvalidPDFException extends BaseException {
constructor(msg) {
super(msg, "InvalidPDFException");
}
}
class MissingPDFException extends BaseException {
constructor(msg) {
super(msg, "MissingPDFException");
}
}
class UnexpectedResponseException extends BaseException {
constructor(msg, status) {
super(msg, "UnexpectedResponseException");
this.status = status;
}
}
class FormatError extends BaseException {
constructor(msg) {
super(msg, "FormatError");
}
}
class AbortException extends BaseException {
constructor(msg) {
super(msg, "AbortException");
}
}
function bytesToString(bytes) {
if (typeof bytes !== "object" || bytes?.length === undefined) {
unreachable("Invalid argument for bytesToString");
}
const length = bytes.length;
const MAX_ARGUMENT_COUNT = 8192;
if (length < MAX_ARGUMENT_COUNT) {
return String.fromCharCode.apply(null, bytes);
}
const strBuf = [];
for (let i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
const chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
const chunk = bytes.subarray(i, chunkEnd);
strBuf.push(String.fromCharCode.apply(null, chunk));
}
return strBuf.join("");
}
function stringToBytes(str) {
if (typeof str !== "string") {
unreachable("Invalid argument for stringToBytes");
}
const length = str.length;
const bytes = new Uint8Array(length);
for (let i = 0; i < length; ++i) {
bytes[i] = str.charCodeAt(i) & 0xff;
}
return bytes;
}
function string32(value) {
return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
}
function objectSize(obj) {
return Object.keys(obj).length;
}
function objectFromMap(map) {
const obj = Object.create(null);
for (const [key, value] of map) {
obj[key] = value;
}
return obj;
}
function isLittleEndian() {
const buffer8 = new Uint8Array(4);
buffer8[0] = 1;
const view32 = new Uint32Array(buffer8.buffer, 0, 1);
return view32[0] === 1;
}
function isEvalSupported() {
try {
new Function("");
return true;
} catch {
return false;
}
}
class util_FeatureTest {
static get isLittleEndian() {
return shadow(this, "isLittleEndian", isLittleEndian());
}
static get isEvalSupported() {
return shadow(this, "isEvalSupported", isEvalSupported());
}
static get isOffscreenCanvasSupported() {
return shadow(this, "isOffscreenCanvasSupported", typeof OffscreenCanvas !== "undefined");
}
static get platform() {
if (typeof navigator !== "undefined" && typeof navigator?.platform === "string") {
return shadow(this, "platform", {
isMac: navigator.platform.includes("Mac")
});
}
return shadow(this, "platform", {
isMac: false
});
}
static get isCSSRoundSupported() {
return shadow(this, "isCSSRoundSupported", globalThis.CSS?.supports?.("width: round(1.5px, 1px)"));
}
}
const hexNumbers = Array.from(Array(256).keys(), n => n.toString(16).padStart(2, "0"));
class Util {
static makeHexColor(r, g, b) {
return `#${hexNumbers[r]}${hexNumbers[g]}${hexNumbers[b]}`;
}
static scaleMinMax(transform, minMax) {
let temp;
if (transform[0]) {
if (transform[0] < 0) {
temp = minMax[0];
minMax[0] = minMax[2];
minMax[2] = temp;
}
minMax[0] *= transform[0];
minMax[2] *= transform[0];
if (transform[3] < 0) {
temp = minMax[1];
minMax[1] = minMax[3];
minMax[3] = temp;
}
minMax[1] *= transform[3];
minMax[3] *= transform[3];
} else {
temp = minMax[0];
minMax[0] = minMax[1];
minMax[1] = temp;
temp = minMax[2];
minMax[2] = minMax[3];
minMax[3] = temp;
if (transform[1] < 0) {
temp = minMax[1];
minMax[1] = minMax[3];
minMax[3] = temp;
}
minMax[1] *= transform[1];
minMax[3] *= transform[1];
if (transform[2] < 0) {
temp = minMax[0];
minMax[0] = minMax[2];
minMax[2] = temp;
}
minMax[0] *= transform[2];
minMax[2] *= transform[2];
}
minMax[0] += transform[4];
minMax[1] += transform[5];
minMax[2] += transform[4];
minMax[3] += transform[5];
}
static transform(m1, m2) {
return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
}
static applyTransform(p, m) {
const xt = p[0] * m[0] + p[1] * m[2] + m[4];
const yt = p[0] * m[1] + p[1] * m[3] + m[5];
return [xt, yt];
}
static applyInverseTransform(p, m) {
const d = m[0] * m[3] - m[1] * m[2];
const xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
const yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
return [xt, yt];
}
static getAxialAlignedBoundingBox(r, m) {
const p1 = this.applyTransform(r, m);
const p2 = this.applyTransform(r.slice(2, 4), m);
const p3 = this.applyTransform([r[0], r[3]], m);
const p4 = this.applyTransform([r[2], r[1]], m);
return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
}
static inverseTransform(m) {
const d = m[0] * m[3] - m[1] * m[2];
return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
}
static singularValueDecompose2dScale(m) {
const transpose = [m[0], m[2], m[1], m[3]];
const a = m[0] * transpose[0] + m[1] * transpose[2];
const b = m[0] * transpose[1] + m[1] * transpose[3];
const c = m[2] * transpose[0] + m[3] * transpose[2];
const d = m[2] * transpose[1] + m[3] * transpose[3];
const first = (a + d) / 2;
const second = Math.sqrt((a + d) ** 2 - 4 * (a * d - c * b)) / 2;
const sx = first + second || 1;
const sy = first - second || 1;
return [Math.sqrt(sx), Math.sqrt(sy)];
}
static normalizeRect(rect) {
const r = rect.slice(0);
if (rect[0] > rect[2]) {
r[0] = rect[2];
r[2] = rect[0];
}
if (rect[1] > rect[3]) {
r[1] = rect[3];
r[3] = rect[1];
}
return r;
}
static intersect(rect1, rect2) {
const xLow = Math.max(Math.min(rect1[0], rect1[2]), Math.min(rect2[0], rect2[2]));
const xHigh = Math.min(Math.max(rect1[0], rect1[2]), Math.max(rect2[0], rect2[2]));
if (xLow > xHigh) {
return null;
}
const yLow = Math.max(Math.min(rect1[1], rect1[3]), Math.min(rect2[1], rect2[3]));
const yHigh = Math.min(Math.max(rect1[1], rect1[3]), Math.max(rect2[1], rect2[3]));
if (yLow > yHigh) {
return null;
}
return [xLow, yLow, xHigh, yHigh];
}
static #getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, t, minMax) {
if (t <= 0 || t >= 1) {
return;
}
const mt = 1 - t;
const tt = t * t;
const ttt = tt * t;
const x = mt * (mt * (mt * x0 + 3 * t * x1) + 3 * tt * x2) + ttt * x3;
const y = mt * (mt * (mt * y0 + 3 * t * y1) + 3 * tt * y2) + ttt * y3;
minMax[0] = Math.min(minMax[0], x);
minMax[1] = Math.min(minMax[1], y);
minMax[2] = Math.max(minMax[2], x);
minMax[3] = Math.max(minMax[3], y);
}
static #getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, a, b, c, minMax) {
if (Math.abs(a) < 1e-12) {
if (Math.abs(b) >= 1e-12) {
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, -c / b, minMax);
}
return;
}
const delta = b ** 2 - 4 * c * a;
if (delta < 0) {
return;
}
const sqrtDelta = Math.sqrt(delta);
const a2 = 2 * a;
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, (-b + sqrtDelta) / a2, minMax);
this.#getExtremumOnCurve(x0, x1, x2, x3, y0, y1, y2, y3, (-b - sqrtDelta) / a2, minMax);
}
static bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
if (minMax) {
minMax[0] = Math.min(minMax[0], x0, x3);
minMax[1] = Math.min(minMax[1], y0, y3);
minMax[2] = Math.max(minMax[2], x0, x3);
minMax[3] = Math.max(minMax[3], y0, y3);
} else {
minMax = [Math.min(x0, x3), Math.min(y0, y3), Math.max(x0, x3), Math.max(y0, y3)];
}
this.#getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, 3 * (-x0 + 3 * (x1 - x2) + x3), 6 * (x0 - 2 * x1 + x2), 3 * (x1 - x0), minMax);
this.#getExtremum(x0, x1, x2, x3, y0, y1, y2, y3, 3 * (-y0 + 3 * (y1 - y2) + y3), 6 * (y0 - 2 * y1 + y2), 3 * (y1 - y0), minMax);
return minMax;
}
}
const PDFStringTranslateTable = (/* unused pure expression or super */ null && ([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2d8, 0x2c7, 0x2c6, 0x2d9, 0x2dd, 0x2db, 0x2da, 0x2dc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018, 0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x141, 0x152, 0x160, 0x178, 0x17d, 0x131, 0x142, 0x153, 0x161, 0x17e, 0, 0x20ac]));
function stringToPDFString(str) {
if (str[0] >= "\xEF") {
let encoding;
if (str[0] === "\xFE" && str[1] === "\xFF") {
encoding = "utf-16be";
if (str.length % 2 === 1) {
str = str.slice(0, -1);
}
} else if (str[0] === "\xFF" && str[1] === "\xFE") {
encoding = "utf-16le";
if (str.length % 2 === 1) {
str = str.slice(0, -1);
}
} else if (str[0] === "\xEF" && str[1] === "\xBB" && str[2] === "\xBF") {
encoding = "utf-8";
}
if (encoding) {
try {
const decoder = new TextDecoder(encoding, {
fatal: true
});
const buffer = stringToBytes(str);
const decoded = decoder.decode(buffer);
if (!decoded.includes("\x1b")) {
return decoded;
}
return decoded.replaceAll(/\x1b[^\x1b]*(?:\x1b|$)/g, "");
} catch (ex) {
warn(`stringToPDFString: "${ex}".`);
}
}
}
const strBuf = [];
for (let i = 0, ii = str.length; i < ii; i++) {
const charCode = str.charCodeAt(i);
if (charCode === 0x1b) {
while (++i < ii && str.charCodeAt(i) !== 0x1b) {}
continue;
}
const code = PDFStringTranslateTable[charCode];
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 isArrayEqual(arr1, arr2) {
if (arr1.length !== arr2.length) {
return false;
}
for (let i = 0, ii = arr1.length; i < ii; i++) {
if (arr1[i] !== arr2[i]) {
return false;
}
}
return true;
}
function getModificationDate(date = new Date()) {
const buffer = [date.getUTCFullYear().toString(), (date.getUTCMonth() + 1).toString().padStart(2, "0"), date.getUTCDate().toString().padStart(2, "0"), date.getUTCHours().toString().padStart(2, "0"), date.getUTCMinutes().toString().padStart(2, "0"), date.getUTCSeconds().toString().padStart(2, "0")];
return buffer.join("");
}
let NormalizeRegex = null;
let NormalizationMap = null;
function normalizeUnicode(str) {
if (!NormalizeRegex) {
NormalizeRegex = /([\u00a0\u00b5\u037e\u0eb3\u2000-\u200a\u202f\u2126\ufb00-\ufb04\ufb06\ufb20-\ufb36\ufb38-\ufb3c\ufb3e\ufb40-\ufb41\ufb43-\ufb44\ufb46-\ufba1\ufba4-\ufba9\ufbae-\ufbb1\ufbd3-\ufbdc\ufbde-\ufbe7\ufbea-\ufbf8\ufbfc-\ufbfd\ufc00-\ufc5d\ufc64-\ufcf1\ufcf5-\ufd3d\ufd88\ufdf4\ufdfa-\ufdfb\ufe71\ufe77\ufe79\ufe7b\ufe7d]+)|(\ufb05+)/gu;
NormalizationMap = new Map([["ſt", "ſt"]]);
}
return str.replaceAll(NormalizeRegex, (_, p1, p2) => p1 ? p1.normalize("NFKC") : NormalizationMap.get(p2));
}
function getUuid() {
if (typeof crypto !== "undefined" && typeof crypto?.randomUUID === "function") {
return crypto.randomUUID();
}
const buf = new Uint8Array(32);
if (typeof crypto !== "undefined" && typeof crypto?.getRandomValues === "function") {
crypto.getRandomValues(buf);
} else {
for (let i = 0; i < 32; i++) {
buf[i] = Math.floor(Math.random() * 255);
}
}
return bytesToString(buf);
}
const AnnotationPrefix = "pdfjs_internal_id_";
const FontRenderOps = {
BEZIER_CURVE_TO: 0,
MOVE_TO: 1,
LINE_TO: 2,
QUADRATIC_CURVE_TO: 3,
RESTORE: 4,
SAVE: 5,
SCALE: 6,
TRANSFORM: 7,
TRANSLATE: 8
};
;// CONCATENATED MODULE: ./src/display/base_factory.js
class BaseFilterFactory {
constructor() {
if (this.constructor === BaseFilterFactory) {
unreachable("Cannot initialize BaseFilterFactory.");
}
}
addFilter(maps) {
return "none";
}
addHCMFilter(fgColor, bgColor) {
return "none";
}
addAlphaFilter(map) {
return "none";
}
addLuminosityFilter(map) {
return "none";
}
addHighlightHCMFilter(filterName, fgColor, bgColor, newFgColor, newBgColor) {
return "none";
}
destroy(keepHCM = false) {}
}
class BaseCanvasFactory {
constructor() {
if (this.constructor === BaseCanvasFactory) {
unreachable("Cannot initialize BaseCanvasFactory.");
}
}
create(width, height) {
if (width <= 0 || height <= 0) {
throw new Error("Invalid canvas size");
}
const canvas = this._createCanvas(width, height);
return {
canvas,
context: canvas.getContext("2d")
};
}
reset(canvasAndContext, width, height) {
if (!canvasAndContext.canvas) {
throw new Error("Canvas is not specified");
}
if (width <= 0 || height <= 0) {
throw new Error("Invalid canvas size");
}
canvasAndContext.canvas.width = width;
canvasAndContext.canvas.height = height;
}
destroy(canvasAndContext) {
if (!canvasAndContext.canvas) {
throw new Error("Canvas is not specified");
}
canvasAndContext.canvas.width = 0;
canvasAndContext.canvas.height = 0;
canvasAndContext.canvas = null;
canvasAndContext.context = null;
}
_createCanvas(width, height) {
unreachable("Abstract method `_createCanvas` called.");
}
}
class BaseCMapReaderFactory {
constructor({
baseUrl = null,
isCompressed = true
}) {
if (this.constructor === BaseCMapReaderFactory) {
unreachable("Cannot initialize BaseCMapReaderFactory.");
}
this.baseUrl = baseUrl;
this.isCompressed = isCompressed;
}
async fetch({
name
}) {
if (!this.baseUrl) {
throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
}
if (!name) {
throw new Error("CMap name must be specified.");
}
const url = this.baseUrl + name + (this.isCompressed ? ".bcmap" : "");
const compressionType = this.isCompressed ? CMapCompressionType.BINARY : CMapCompressionType.NONE;
return this._fetchData(url, compressionType).catch(reason => {
throw new Error(`Unable to load ${this.isCompressed ? "binary " : ""}CMap at: ${url}`);
});
}
_fetchData(url, compressionType) {
unreachable("Abstract method `_fetchData` called.");
}
}
class BaseStandardFontDataFactory {
constructor({
baseUrl = null
}) {
if (this.constructor === BaseStandardFontDataFactory) {
unreachable("Cannot initialize BaseStandardFontDataFactory.");
}
this.baseUrl = baseUrl;
}
async fetch({
filename
}) {
if (!this.baseUrl) {
throw new Error('The standard font "baseUrl" parameter must be specified, ensure that ' + 'the "standardFontDataUrl" API parameter is provided.');
}
if (!filename) {
throw new Error("Font filename must be specified.");
}
const url = `${this.baseUrl}${filename}`;
return this._fetchData(url).catch(reason => {
throw new Error(`Unable to load font data at: ${url}`);
});
}
_fetchData(url) {
unreachable("Abstract method `_fetchData` called.");
}
}
class BaseSVGFactory {
constructor() {
if (this.constructor === BaseSVGFactory) {
unreachable("Cannot initialize BaseSVGFactory.");
}
}
create(width, height, skipDimensions = false) {
if (width <= 0 || height <= 0) {
throw new Error("Invalid SVG dimensions");
}
const svg = this._createSVG("svg:svg");
svg.setAttribute("version", "1.1");
if (!skipDimensions) {
svg.setAttribute("width", `${width}px`);
svg.setAttribute("height", `${height}px`);
}
svg.setAttribute("preserveAspectRatio", "none");
svg.setAttribute("viewBox", `0 0 ${width} ${height}`);
return svg;
}
createElement(type) {
if (typeof type !== "string") {
throw new Error("Invalid SVG element type");
}
return this._createSVG(type);
}
_createSVG(type) {
unreachable("Abstract method `_createSVG` called.");
}
}
;// CONCATENATED MODULE: ./src/display/display_utils.js
const SVG_NS = "http://www.w3.org/2000/svg";
class PixelsPerInch {
static CSS = 96.0;
static PDF = 72.0;
static PDF_TO_CSS_UNITS = this.CSS / this.PDF;
}
class DOMFilterFactory extends BaseFilterFactory {
#_cache;
#_defs;
#docId;
#document;
#_hcmCache;
#id = 0;
constructor({
docId,
ownerDocument = globalThis.document
} = {}) {
super();
this.#docId = docId;
this.#document = ownerDocument;
}
get #cache() {
return this.#_cache ||= new Map();
}
get #hcmCache() {
return this.#_hcmCache ||= new Map();
}
get #defs() {
if (!this.#_defs) {
const div = this.#document.createElement("div");
const {
style
} = div;
style.visibility = "hidden";
style.contain = "strict";
style.width = style.height = 0;
style.position = "absolute";
style.top = style.left = 0;
style.zIndex = -1;
const svg = this.#document.createElementNS(SVG_NS, "svg");
svg.setAttribute("width", 0);
svg.setAttribute("height", 0);
this.#_defs = this.#document.createElementNS(SVG_NS, "defs");
div.append(svg);
svg.append(this.#_defs);
this.#document.body.append(div);
}
return this.#_defs;
}
#createTables(maps) {
if (maps.length === 1) {
const mapR = maps[0];
const buffer = new Array(256);
for (let i = 0; i < 256; i++) {
buffer[i] = mapR[i] / 255;
}
const table = buffer.join(",");
return [table, table, table];
}
const [mapR, mapG, mapB] = maps;
const bufferR = new Array(256);
const bufferG = new Array(256);
const bufferB = new Array(256);
for (let i = 0; i < 256; i++) {
bufferR[i] = mapR[i] / 255;
bufferG[i] = mapG[i] / 255;
bufferB[i] = mapB[i] / 255;
}
return [bufferR.join(","), bufferG.join(","), bufferB.join(",")];
}
addFilter(maps) {
if (!maps) {
return "none";
}
let value = this.#cache.get(maps);
if (value) {
return value;
}
const [tableR, tableG, tableB] = this.#createTables(maps);
const key = maps.length === 1 ? tableR : `${tableR}${tableG}${tableB}`;
value = this.#cache.get(key);
if (value) {
this.#cache.set(maps, value);
return value;
}
const id = `g_${this.#docId}_transfer_map_${this.#id++}`;
const url = `url(#${id})`;
this.#cache.set(maps, url);
this.#cache.set(key, url);
const filter = this.#createFilter(id);
this.#addTransferMapConversion(tableR, tableG, tableB, filter);
return url;
}
addHCMFilter(fgColor, bgColor) {
const key = `${fgColor}-${bgColor}`;
const filterName = "base";
let info = this.#hcmCache.get(filterName);
if (info?.key === key) {
return info.url;
}
if (info) {
info.filter?.remove();
info.key = key;
info.url = "none";
info.filter = null;
} else {
info = {
key,
url: "none",
filter: null
};
this.#hcmCache.set(filterName, info);
}
if (!fgColor || !bgColor) {
return info.url;
}
const fgRGB = this.#getRGB(fgColor);
fgColor = Util.makeHexColor(...fgRGB);
const bgRGB = this.#getRGB(bgColor);
bgColor = Util.makeHexColor(...bgRGB);
this.#defs.style.color = "";
if (fgColor === "#000000" && bgColor === "#ffffff" || fgColor === bgColor) {
return info.url;
}
const map = new Array(256);
for (let i = 0; i <= 255; i++) {
const x = i / 255;
map[i] = x <= 0.03928 ? x / 12.92 : ((x + 0.055) / 1.055) ** 2.4;
}
const table = map.join(",");
const id = `g_${this.#docId}_hcm_filter`;
const filter = info.filter = this.#createFilter(id);
this.#addTransferMapConversion(table, table, table, filter);
this.#addGrayConversion(filter);
const getSteps = (c, n) => {
const start = fgRGB[c] / 255;
const end = bgRGB[c] / 255;
const arr = new Array(n + 1);
for (let i = 0; i <= n; i++) {
arr[i] = start + i / n * (end - start);
}
return arr.join(",");
};
this.#addTransferMapConversion(getSteps(0, 5), getSteps(1, 5), getSteps(2, 5), filter);
info.url = `url(#${id})`;
return info.url;
}
addAlphaFilter(map) {
let value = this.#cache.get(map);
if (value) {
return value;
}
const [tableA] = this.#createTables([map]);
const key = `alpha_${tableA}`;
value = this.#cache.get(key);
if (value) {
this.#cache.set(map, value);
return value;
}
const id = `g_${this.#docId}_alpha_map_${this.#id++}`;
const url = `url(#${id})`;
this.#cache.set(map, url);
this.#cache.set(key, url);
const filter = this.#createFilter(id);
this.#addTransferMapAlphaConversion(tableA, filter);
return url;
}
addLuminosityFilter(map) {
let value = this.#cache.get(map || "luminosity");
if (value) {
return value;
}
let tableA, key;
if (map) {
[tableA] = this.#createTables([map]);
key = `luminosity_${tableA}`;
} else {
key = "luminosity";
}
value = this.#cache.get(key);
if (value) {
this.#cache.set(map, value);
return value;
}
const id = `g_${this.#docId}_luminosity_map_${this.#id++}`;
const url = `url(#${id})`;
this.#cache.set(map, url);
this.#cache.set(key, url);
const filter = this.#createFilter(id);
this.#addLuminosityConversion(filter);
if (map) {
this.#addTransferMapAlphaConversion(tableA, filter);
}
return url;
}
addHighlightHCMFilter(filterName, fgColor, bgColor, newFgColor, newBgColor) {
const key = `${fgColor}-${bgColor}-${newFgColor}-${newBgColor}`;
let info = this.#hcmCache.get(filterName);
if (info?.key === key) {
return info.url;
}
if (info) {
info.filter?.remove();
info.key = key;
info.url = "none";
info.filter = null;
} else {
info = {
key,
url: "none",
filter: null
};
this.#hcmCache.set(filterName, info);
}
if (!fgColor || !bgColor) {
return info.url;
}
const [fgRGB, bgRGB] = [fgColor, bgColor].map(this.#getRGB.bind(this));
let fgGray = Math.round(0.2126 * fgRGB[0] + 0.7152 * fgRGB[1] + 0.0722 * fgRGB[2]);
let bgGray = Math.round(0.2126 * bgRGB[0] + 0.7152 * bgRGB[1] + 0.0722 * bgRGB[2]);
let [newFgRGB, newBgRGB] = [newFgColor, newBgColor].map(this.#getRGB.bind(this));
if (bgGray < fgGray) {
[fgGray, bgGray, newFgRGB, newBgRGB] = [bgGray, fgGray, newBgRGB, newFgRGB];
}
this.#defs.style.color = "";
const getSteps = (fg, bg, n) => {
const arr = new Array(256);
const step = (bgGray - fgGray) / n;
const newStart = fg / 255;
const newStep = (bg - fg) / (255 * n);
let prev = 0;
for (let i = 0; i <= n; i++) {
const k = Math.round(fgGray + i * step);
const value = newStart + i * newStep;
for (let j = prev; j <= k; j++) {
arr[j] = value;
}
prev = k + 1;
}
for (let i = prev; i < 256; i++) {
arr[i] = arr[prev - 1];
}
return arr.join(",");
};
const id = `g_${this.#docId}_hcm_${filterName}_filter`;
const filter = info.filter = this.#createFilter(id);
this.#addGrayConversion(filter);
this.#addTransferMapConversion(getSteps(newFgRGB[0], newBgRGB[0], 5), getSteps(newFgRGB[1], newBgRGB[1], 5), getSteps(newFgRGB[2], newBgRGB[2], 5), filter);
info.url = `url(#${id})`;
return info.url;
}
destroy(keepHCM = false) {
if (keepHCM && this.#hcmCache.size !== 0) {
return;
}
if (this.#_defs) {
this.#_defs.parentNode.parentNode.remove();
this.#_defs = null;
}
if (this.#_cache) {
this.#_cache.clear();
this.#_cache = null;
}
this.#id = 0;
}
#addLuminosityConversion(filter) {
const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix");
feColorMatrix.setAttribute("type", "matrix");
feColorMatrix.setAttribute("values", "0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.3 0.59 0.11 0 0");
filter.append(feColorMatrix);
}
#addGrayConversion(filter) {
const feColorMatrix = this.#document.createElementNS(SVG_NS, "feColorMatrix");
feColorMatrix.setAttribute("type", "matrix");
feColorMatrix.setAttribute("values", "0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0.2126 0.7152 0.0722 0 0 0 0 0 1 0");
filter.append(feColorMatrix);
}
#createFilter(id) {
const filter = this.#document.createElementNS(SVG_NS, "filter");
filter.setAttribute("color-interpolation-filters", "sRGB");
filter.setAttribute("id", id);
this.#defs.append(filter);
return filter;
}
#appendFeFunc(feComponentTransfer, func, table) {
const feFunc = this.#document.createElementNS(SVG_NS, func);
feFunc.setAttribute("type", "discrete");
feFunc.setAttribute("tableValues", table);
feComponentTransfer.append(feFunc);
}
#addTransferMapConversion(rTable, gTable, bTable, filter) {
const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer");
filter.append(feComponentTransfer);
this.#appendFeFunc(feComponentTransfer, "feFuncR", rTable);
this.#appendFeFunc(feComponentTransfer, "feFuncG", gTable);
this.#appendFeFunc(feComponentTransfer, "feFuncB", bTable);
}
#addTransferMapAlphaConversion(aTable, filter) {
const feComponentTransfer = this.#document.createElementNS(SVG_NS, "feComponentTransfer");
filter.append(feComponentTransfer);
this.#appendFeFunc(feComponentTransfer, "feFuncA", aTable);
}
#getRGB(color) {
this.#defs.style.color = color;
return getRGB(getComputedStyle(this.#defs).getPropertyValue("color"));
}
}
class DOMCanvasFactory extends BaseCanvasFactory {
constructor({
ownerDocument = globalThis.document
} = {}) {
super();
this._document = ownerDocument;
}
_createCanvas(width, height) {
const canvas = this._document.createElement("canvas");
canvas.width = width;
canvas.height = height;
return canvas;
}
}
async function fetchData(url, type = "text") {
if (isValidFetchUrl(url, document.baseURI)) {
const response = await fetch(url);
if (!response.ok) {
throw new Error(response.statusText);
}
switch (type) {
case "arraybuffer":
return response.arrayBuffer();
case "blob":
return response.blob();
case "json":
return response.json();
}
return response.text();
}
return new Promise((resolve, reject) => {
const request = new XMLHttpRequest();
request.open("GET", url, true);
request.responseType = type;
request.onreadystatechange = () => {
if (request.readyState !== XMLHttpRequest.DONE) {
return;
}
if (request.status === 200 || request.status === 0) {
switch (type) {
case "arraybuffer":
case "blob":
case "json":
resolve(request.response);
return;
}
resolve(request.responseText);
return;
}
reject(new Error(request.statusText));
};
request.send(null);
});
}
class DOMCMapReaderFactory extends BaseCMapReaderFactory {
_fetchData(url, compressionType) {
return fetchData(url, this.isCompressed ? "arraybuffer" : "text").then(data => ({
cMapData: data instanceof ArrayBuffer ? new Uint8Array(data) : stringToBytes(data),
compressionType
}));
}
}
class DOMStandardFontDataFactory extends BaseStandardFontDataFactory {
_fetchData(url) {
return fetchData(url, "arraybuffer").then(data => new Uint8Array(data));
}
}
class DOMSVGFactory extends BaseSVGFactory {
_createSVG(type) {
return document.createElementNS(SVG_NS, type);
}
}
class PageViewport {
constructor({
viewBox,
scale,
rotation,
offsetX = 0,
offsetY = 0,
dontFlip = false
}) {
this.viewBox = viewBox;
this.scale = scale;
this.rotation = rotation;
this.offsetX = offsetX;
this.offsetY = offsetY;
const centerX = (viewBox[2] + viewBox[0]) / 2;
const centerY = (viewBox[3] + viewBox[1]) / 2;
let rotateA, rotateB, rotateC, rotateD;
rotation %= 360;
if (rotation < 0) {
rotation += 360;
}
switch (rotation) {
case 180:
rotateA = -1;
rotateB = 0;
rotateC = 0;
rotateD = 1;
break;
case 90:
rotateA = 0;
rotateB = 1;
rotateC = 1;
rotateD = 0;
break;
case 270:
rotateA = 0;
rotateB = -1;
rotateC = -1;
rotateD = 0;
break;
case 0:
rotateA = 1;
rotateB = 0;
rotateC = 0;
rotateD = -1;
break;
default:
throw new Error("PageViewport: Invalid rotation, must be a multiple of 90 degrees.");
}
if (dontFlip) {
rotateC = -rotateC;
rotateD = -rotateD;
}
let offsetCanvasX, offsetCanvasY;
let width, height;
if (rotateA === 0) {
offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
width = (viewBox[3] - viewBox[1]) * scale;
height = (viewBox[2] - viewBox[0]) * scale;
} else {
offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
width = (viewBox[2] - viewBox[0]) * scale;
height = (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;
}
get rawDims() {
const {
viewBox
} = this;
return shadow(this, "rawDims", {
pageWidth: viewBox[2] - viewBox[0],
pageHeight: viewBox[3] - viewBox[1],
pageX: viewBox[0],
pageY: viewBox[1]
});
}
clone({
scale = this.scale,
rotation = this.rotation,
offsetX = this.offsetX,
offsetY = this.offsetY,
dontFlip = false
} = {}) {
return new PageViewport({
viewBox: this.viewBox.slice(),
scale,
rotation,
offsetX,
offsetY,
dontFlip
});
}
convertToViewportPoint(x, y) {
return Util.applyTransform([x, y], this.transform);
}
convertToViewportRectangle(rect) {
const topLeft = Util.applyTransform([rect[0], rect[1]], this.transform);
const bottomRight = Util.applyTransform([rect[2], rect[3]], this.transform);
return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
}
convertToPdfPoint(x, y) {
return Util.applyInverseTransform([x, y], this.transform);
}
}
class RenderingCancelledException extends BaseException {
constructor(msg, extraDelay = 0) {
super(msg, "RenderingCancelledException");
this.extraDelay = extraDelay;
}
}
function isDataScheme(url) {
const ii = url.length;
let i = 0;
while (i < ii && url[i].trim() === "") {
i++;
}
return url.substring(i, i + 5).toLowerCase() === "data:";
}
function isPdfFile(filename) {
return typeof filename === "string" && /\.pdf$/i.test(filename);
}
function getFilenameFromUrl(url) {
[url] = url.split(/[#?]/, 1);
return url.substring(url.lastIndexOf("/") + 1);
}
function getPdfFilenameFromUrl(url, defaultFilename = "document.pdf") {
if (typeof url !== "string") {
return defaultFilename;
}
if (isDataScheme(url)) {
warn('getPdfFilenameFromUrl: ignore "data:"-URL for performance reasons.');
return defaultFilename;
}
const reURI = /^(?:(?:[^:]+:)?\/\/[^/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
const reFilename = /[^/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
const splitURI = reURI.exec(url);
let suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
if (suggestedFilename) {
suggestedFilename = suggestedFilename[0];
if (suggestedFilename.includes("%")) {
try {
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
} catch {}
}
}
return suggestedFilename || defaultFilename;
}
class StatTimer {
started = Object.create(null);
times = [];
time(name) {
if (name in this.started) {
warn(`Timer is already running for ${name}`);
}
this.started[name] = Date.now();
}
timeEnd(name) {
if (!(name in this.started)) {
warn(`Timer has not been started for ${name}`);
}
this.times.push({
name,
start: this.started[name],
end: Date.now()
});
delete this.started[name];
}
toString() {
const outBuf = [];
let longest = 0;
for (const {
name
} of this.times) {
longest = Math.max(name.length, longest);
}
for (const {
name,
start,
end
} of this.times) {
outBuf.push(`${name.padEnd(longest)} ${end - start}ms\n`);
}
return outBuf.join("");
}
}
function isValidFetchUrl(url, baseUrl) {
try {
const {
protocol
} = baseUrl ? new URL(url, baseUrl) : new URL(url);
return protocol === "http:" || protocol === "https:";
} catch {
return false;
}
}
function noContextMenu(e) {
e.preventDefault();
}
function deprecated(details) {
console.log("Deprecated API usage: " + details);
}
let pdfDateStringRegex;
class PDFDateString {
static toDateObject(input) {
if (!input || typeof input !== "string") {
return null;
}
pdfDateStringRegex ||= new RegExp("^D:" + "(\\d{4})" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "(\\d{2})?" + "([Z|+|-])?" + "(\\d{2})?" + "'?" + "(\\d{2})?" + "'?");
const matches = pdfDateStringRegex.exec(input);
if (!matches) {
return null;
}
const year = parseInt(matches[1], 10);
let month = parseInt(matches[2], 10);
month = month >= 1 && month <= 12 ? month - 1 : 0;
let day = parseInt(matches[3], 10);
day = day >= 1 && day <= 31 ? day : 1;
let hour = parseInt(matches[4], 10);
hour = hour >= 0 && hour <= 23 ? hour : 0;
let minute = parseInt(matches[5], 10);
minute = minute >= 0 && minute <= 59 ? minute : 0;
let second = parseInt(matches[6], 10);
second = second >= 0 && second <= 59 ? second : 0;
const universalTimeRelation = matches[7] || "Z";
let offsetHour = parseInt(matches[8], 10);
offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
let offsetMinute = parseInt(matches[9], 10) || 0;
offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
if (universalTimeRelation === "-") {
hour += offsetHour;
minute += offsetMinute;
} else if (universalTimeRelation === "+") {
hour -= offsetHour;
minute -= offsetMinute;
}
return new Date(Date.UTC(year, month, day, hour, minute, second));
}
}
function getXfaPageViewport(xfaPage, {
scale = 1,
rotation = 0
}) {
const {
width,
height
} = xfaPage.attributes.style;
const viewBox = [0, 0, parseInt(width), parseInt(height)];
return new PageViewport({
viewBox,
scale,
rotation
});
}
function getRGB(color) {
if (color.startsWith("#")) {
const colorRGB = parseInt(color.slice(1), 16);
return [(colorRGB & 0xff0000) >> 16, (colorRGB & 0x00ff00) >> 8, colorRGB & 0x0000ff];
}
if (color.startsWith("rgb(")) {
return color.slice(4, -1).split(",").map(x => parseInt(x));
}
if (color.startsWith("rgba(")) {
return color.slice(5, -1).split(",").map(x => parseInt(x)).slice(0, 3);
}
warn(`Not a valid color format: "${color}"`);
return [0, 0, 0];
}
function getColorValues(colors) {
const span = document.createElement("span");
span.style.visibility = "hidden";
document.body.append(span);
for (const name of colors.keys()) {
span.style.color = name;
const computedColor = window.getComputedStyle(span).color;
colors.set(name, getRGB(computedColor));
}
span.remove();
}
function getCurrentTransform(ctx) {
const {
a,
b,
c,
d,
e,
f
} = ctx.getTransform();
return [a, b, c, d, e, f];
}
function getCurrentTransformInverse(ctx) {
const {
a,
b,
c,
d,
e,
f
} = ctx.getTransform().invertSelf();
return [a, b, c, d, e, f];
}
function setLayerDimensions(div, viewport, mustFlip = false, mustRotate = true) {
if (viewport instanceof PageViewport) {
const {
pageWidth,
pageHeight
} = viewport.rawDims;
const {
style
} = div;
const useRound = util_FeatureTest.isCSSRoundSupported;
const w = `var(--scale-factor) * ${pageWidth}px`,
h = `var(--scale-factor) * ${pageHeight}px`;
const widthStr = useRound ? `round(${w}, 1px)` : `calc(${w})`,
heightStr = useRound ? `round(${h}, 1px)` : `calc(${h})`;
if (!mustFlip || viewport.rotation % 180 === 0) {
style.width = widthStr;
style.height = heightStr;
} else {
style.width = heightStr;
style.height = widthStr;
}
}
if (mustRotate) {
div.setAttribute("data-main-rotation", viewport.rotation);
}
}
;// CONCATENATED MODULE: ./src/display/editor/toolbar.js
class EditorToolbar {
#toolbar = null;
#colorPicker = null;
#editor;
#buttons = null;
constructor(editor) {
this.#editor = editor;
}
render() {
const editToolbar = this.#toolbar = document.createElement("div");
editToolbar.className = "editToolbar";
editToolbar.setAttribute("role", "toolbar");
editToolbar.addEventListener("contextmenu", noContextMenu);
editToolbar.addEventListener("pointerdown", EditorToolbar.#pointerDown);
const buttons = this.#buttons = document.createElement("div");
buttons.className = "buttons";
editToolbar.append(buttons);
const position = this.#editor.toolbarPosition;
if (position) {
const {
style
} = editToolbar;
const x = this.#editor._uiManager.direction === "ltr" ? 1 - position[0] : position[0];
style.insetInlineEnd = `${100 * x}%`;
style.top = `calc(${100 * position[1]}% + var(--editor-toolbar-vert-offset))`;
}
this.#addDeleteButton();
return editToolbar;
}
static #pointerDown(e) {
e.stopPropagation();
}
#focusIn(e) {
this.#editor._focusEventsAllowed = false;
e.preventDefault();
e.stopPropagation();
}
#focusOut(e) {
this.#editor._focusEventsAllowed = true;
e.preventDefault();
e.stopPropagation();
}
#addListenersToElement(element) {
element.addEventListener("focusin", this.#focusIn.bind(this), {
capture: true
});
element.addEventListener("focusout", this.#focusOut.bind(this), {
capture: true
});
element.addEventListener("contextmenu", noContextMenu);
}
hide() {
this.#toolbar.classList.add("hidden");
this.#colorPicker?.hideDropdown();
}
show() {
this.#toolbar.classList.remove("hidden");
}
#addDeleteButton() {
const button = document.createElement("button");
button.className = "delete";
button.tabIndex = 0;
button.setAttribute("data-l10n-id", `pdfjs-editor-remove-${this.#editor.editorType}-button`);
this.#addListenersToElement(button);
button.addEventListener("click", e => {
this.#editor._uiManager.delete();
});
this.#buttons.append(button);
}
get #divider() {
const divider = document.createElement("div");
divider.className = "divider";
return divider;
}
addAltTextButton(button) {
this.#addListenersToElement(button);
this.#buttons.prepend(button, this.#divider);
}
addColorPicker(colorPicker) {
this.#colorPicker = colorPicker;
const button = colorPicker.renderButton();
this.#addListenersToElement(button);
this.#buttons.prepend(button, this.#divider);
}
remove() {
this.#toolbar.remove();
this.#colorPicker?.destroy();
this.#colorPicker = null;
}
}
class HighlightToolbar {
#buttons = null;
#toolbar = null;
#uiManager;
constructor(uiManager) {
this.#uiManager = uiManager;
}
#render() {
const editToolbar = this.#toolbar = document.createElement("div");
editToolbar.className = "editToolbar";
editToolbar.setAttribute("role", "toolbar");
editToolbar.addEventListener("contextmenu", noContextMenu);
const buttons = this.#buttons = document.createElement("div");
buttons.className = "buttons";
editToolbar.append(buttons);
this.#addHighlightButton();
return editToolbar;
}
#getLastPoint(boxes, isLTR) {
let lastY = 0;
let lastX = 0;
for (const box of boxes) {
const y = box.y + box.height;
if (y < lastY) {
continue;
}
const x = box.x + (isLTR ? box.width : 0);
if (y > lastY) {
lastX = x;
lastY = y;
continue;
}
if (isLTR) {
if (x > lastX) {
lastX = x;
}
} else if (x < lastX) {
lastX = x;
}
}
return [isLTR ? 1 - lastX : lastX, lastY];
}
show(parent, boxes, isLTR) {
const [x, y] = this.#getLastPoint(boxes, isLTR);
const {
style
} = this.#toolbar ||= this.#render();
parent.append(this.#toolbar);
style.insetInlineEnd = `${100 * x}%`;
style.top = `calc(${100 * y}% + var(--editor-toolbar-vert-offset))`;
}
hide() {
this.#toolbar.remove();
}
#addHighlightButton() {
const button = document.createElement("button");
button.className = "highlightButton";
button.tabIndex = 0;
button.setAttribute("data-l10n-id", `pdfjs-highlight-floating-button1`);
const span = document.createElement("span");
button.append(span);
span.className = "visuallyHidden";
span.setAttribute("data-l10n-id", "pdfjs-highlight-floating-button-label");
button.addEventListener("contextmenu", noContextMenu);
button.addEventListener("click", () => {
this.#uiManager.highlightSelection("floating_button");
});
this.#buttons.append(button);
}
}
;// CONCATENATED MODULE: ./src/display/editor/tools.js
function bindEvents(obj, element, names) {
for (const name of names) {
element.addEventListener(name, obj[name].bind(obj));
}
}
function opacityToHex(opacity) {
return Math.round(Math.min(255, Math.max(1, 255 * opacity))).toString(16).padStart(2, "0");
}
class IdManager {
#id = 0;
get id() {
return `${AnnotationEditorPrefix}${this.#id++}`;
}
}
class ImageManager {
#baseId = getUuid();
#id = 0;
#cache = null;
static get _isSVGFittingCanvas() {
const svg = `data:image/svg+xml;charset=UTF-8,<svg viewBox="0 0 1 1" width="1" height="1" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" style="fill:red;"/></svg>`;
const canvas = new OffscreenCanvas(1, 3);
const ctx = canvas.getContext("2d");
const image = new Image();
image.src = svg;
const promise = image.decode().then(() => {
ctx.drawImage(image, 0, 0, 1, 1, 0, 0, 1, 3);
return new Uint32Array(ctx.getImageData(0, 0, 1, 1).data.buffer)[0] === 0;
});
return shadow(this, "_isSVGFittingCanvas", promise);
}
async #get(key, rawData) {
this.#cache ||= new Map();
let data = this.#cache.get(key);
if (data === null) {
return null;
}
if (data?.bitmap) {
data.refCounter += 1;
return data;
}
try {
data ||= {
bitmap: null,
id: `image_${this.#baseId}_${this.#id++}`,
refCounter: 0,
isSvg: false
};
let image;
if (typeof rawData === "string") {
data.url = rawData;
image = await fetchData(rawData, "blob");
} else {
image = data.file = rawData;
}
if (image.type === "image/svg+xml") {
const mustRemoveAspectRatioPromise = ImageManager._isSVGFittingCanvas;
const fileReader = new FileReader();
const imageElement = new Image();
const imagePromise = new Promise((resolve, reject) => {
imageElement.onload = () => {
data.bitmap = imageElement;
data.isSvg = true;
resolve();
};
fileReader.onload = async () => {
const url = data.svgUrl = fileReader.result;
imageElement.src = (await mustRemoveAspectRatioPromise) ? `${url}#svgView(preserveAspectRatio(none))` : url;
};
imageElement.onerror = fileReader.onerror = reject;
});
fileReader.readAsDataURL(image);
await imagePromise;
} else {
data.bitmap = await createImageBitmap(image);
}
data.refCounter = 1;
} catch (e) {
console.error(e);
data = null;
}
this.#cache.set(key, data);
if (data) {
this.#cache.set(data.id, data);
}
return data;
}
async getFromFile(file) {
const {
lastModified,
name,
size,
type
} = file;
return this.#get(`${lastModified}_${name}_${size}_${type}`, file);
}
async getFromUrl(url) {
return this.#get(url, url);
}
async getFromId(id) {
this.#cache ||= new Map();
const data = this.#cache.get(id);
if (!data) {
return null;
}
if (data.bitmap) {
data.refCounter += 1;
return data;
}
if (data.file) {
return this.getFromFile(data.file);
}
return this.getFromUrl(data.url);
}
getSvgUrl(id) {
const data = this.#cache.get(id);
if (!data?.isSvg) {
return null;
}
return data.svgUrl;
}
deleteId(id) {
this.#cache ||= new Map();
const data = this.#cache.get(id);
if (!data) {
return;
}
data.refCounter -= 1;
if (data.refCounter !== 0) {
return;
}
data.bitmap = null;
}
isValidId(id) {
return id.startsWith(`image_${this.#baseId}_`);
}
}
class CommandManager {
#commands = [];
#locked = false;
#maxSize;
#position = -1;
constructor(maxSize = 128) {
this.#maxSize = maxSize;
}
add({
cmd,
undo,
post,
mustExec,
type = NaN,
overwriteIfSameType = false,
keepUndo = false
}) {
if (mustExec) {
cmd();
}
if (this.#locked) {
return;
}
const save = {
cmd,
undo,
post,
type
};
if (this.#position === -1) {
if (this.#commands.length > 0) {
this.#commands.length = 0;
}
this.#position = 0;
this.#commands.push(save);
return;
}
if (overwriteIfSameType && this.#commands[this.#position].type === type) {
if (keepUndo) {
save.undo = this.#commands[this.#position].undo;
}
this.#commands[this.#position] = save;
return;
}
const next = this.#position + 1;
if (next === this.#maxSize) {
this.#commands.splice(0, 1);
} else {
this.#position = next;
if (next < this.#commands.length) {
this.#commands.splice(next);
}
}
this.#commands.push(save);
}
undo() {
if (this.#position === -1) {
return;
}
this.#locked = true;
const {
undo,
post
} = this.#commands[this.#position];
undo();
post?.();
this.#locked = false;
this.#position -= 1;
}
redo() {
if (this.#position < this.#commands.length - 1) {
this.#position += 1;
this.#locked = true;
const {
cmd,
post
} = this.#commands[this.#position];
cmd();
post?.();
this.#locked = false;
}
}
hasSomethingToUndo() {
return this.#position !== -1;
}
hasSomethingToRedo() {
return this.#position < this.#commands.length - 1;
}
destroy() {
this.#commands = null;
}
}
class KeyboardManager {
constructor(callbacks) {
this.buffer = [];
this.callbacks = new Map();
this.allKeys = new Set();
const {
isMac
} = util_FeatureTest.platform;
for (const [keys, callback, options = {}] of callbacks) {
for (const key of keys) {
const isMacKey = key.startsWith("mac+");
if (isMac && isMacKey) {
this.callbacks.set(key.slice(4), {
callback,
options
});
this.allKeys.add(key.split("+").at(-1));
} else if (!isMac && !isMacKey) {
this.callbacks.set(key, {
callback,
options
});
this.allKeys.add(key.split("+").at(-1));
}
}
}
}
#serialize(event) {
if (event.altKey) {
this.buffer.push("alt");
}
if (event.ctrlKey) {
this.buffer.push("ctrl");
}
if (event.metaKey) {
this.buffer.push("meta");
}
if (event.shiftKey) {
this.buffer.push("shift");
}
this.buffer.push(event.key);
const str = this.buffer.join("+");
this.buffer.length = 0;
return str;
}
exec(self, event) {
if (!this.allKeys.has(event.key)) {
return;
}
const info = this.callbacks.get(this.#serialize(event));
if (!info) {
return;
}
const {
callback,
options: {
bubbles = false,
args = [],
checker = null
}
} = info;
if (checker && !checker(self, event)) {
return;
}
callback.bind(self, ...args, event)();
if (!bubbles) {
event.stopPropagation();
event.preventDefault();
}
}
}
class ColorManager {
static _colorsMapping = new Map([["CanvasText", [0, 0, 0]], ["Canvas", [255, 255, 255]]]);
get _colors() {
const colors = new Map([["CanvasText", null], ["Canvas", null]]);
getColorValues(colors);
return shadow(this, "_colors", colors);
}
convert(color) {
const rgb = getRGB(color);
if (!window.matchMedia("(forced-colors: active)").matches) {
return rgb;
}
for (const [name, RGB] of this._colors) {
if (RGB.every((x, i) => x === rgb[i])) {
return ColorManager._colorsMapping.get(name);
}
}
return rgb;
}
getHexCode(name) {
const rgb = this._colors.get(name);
if (!rgb) {
return name;
}
return Util.makeHexColor(...rgb);
}
}
class AnnotationEditorUIManager {
#activeEditor = null;
#allEditors = new Map();
#allLayers = new Map();
#altTextManager = null;
#annotationStorage = null;
#changedExistingAnnotations = null;
#commandManager = new CommandManager();
#currentPageIndex = 0;
#deletedAnnotationsElementIds = new Set();
#draggingEditors = null;
#editorTypes = null;
#editorsToRescale = new Set();
#enableHighlightFloatingButton = false;
#filterFactory = null;
#focusMainContainerTimeoutId = null;
#highlightColors = null;
#highlightWhenShiftUp = false;
#highlightToolbar = null;
#idManager = new IdManager();
#isEnabled = false;
#isWaiting = false;
#lastActiveElement = null;
#mainHighlightColorPicker = null;
#mlManager = null;
#mode = AnnotationEditorType.NONE;
#selectedEditors = new Set();
#selectedTextNode = null;
#pageColors = null;
#showAllStates = null;
#boundBlur = this.blur.bind(this);
#boundFocus = this.focus.bind(this);
#boundCopy = this.copy.bind(this);
#boundCut = this.cut.bind(this);
#boundPaste = this.paste.bind(this);
#boundKeydown = this.keydown.bind(this);
#boundKeyup = this.keyup.bind(this);
#boundOnEditingAction = this.onEditingAction.bind(this);
#boundOnPageChanging = this.onPageChanging.bind(this);
#boundOnScaleChanging = this.onScaleChanging.bind(this);
#boundSelectionChange = this.#selectionChange.bind(this);
#boundOnRotationChanging = this.onRotationChanging.bind(this);
#previousStates = {
isEditing: false,
isEmpty: true,
hasSomethingToUndo: false,
hasSomethingToRedo: false,
hasSelectedEditor: false,
hasSelectedText: false
};
#translation = [0, 0];
#translationTimeoutId = null;
#container = null;
#viewer = null;
static TRANSLATE_SMALL = 1;
static TRANSLATE_BIG = 10;
static get _keyboardManager() {
const proto = AnnotationEditorUIManager.prototype;
const arrowChecker = self => self.#container.contains(document.activeElement) && document.activeElement.tagName !== "BUTTON" && self.hasSomethingToControl();
const textInputChecker = (_self, {
target: el
}) => {
if (el instanceof HTMLInputElement) {
const {
type
} = el;
return type !== "text" && type !== "number";
}
return true;
};
const small = this.TRANSLATE_SMALL;
const big = this.TRANSLATE_BIG;
return shadow(this, "_keyboardManager", new KeyboardManager([[["ctrl+a", "mac+meta+a"], proto.selectAll, {
checker: textInputChecker
}], [["ctrl+z", "mac+meta+z"], proto.undo, {
checker: textInputChecker
}], [["ctrl+y", "ctrl+shift+z", "mac+meta+shift+z", "ctrl+shift+Z", "mac+meta+shift+Z"], proto.redo, {
checker: textInputChecker
}], [["Backspace", "alt+Backspace", "ctrl+Backspace", "shift+Backspace", "mac+Backspace", "mac+alt+Backspace", "mac+ctrl+Backspace", "Delete", "ctrl+Delete", "shift+Delete", "mac+Delete"], proto.delete, {
checker: textInputChecker
}], [["Enter", "mac+Enter"], proto.addNewEditorFromKeyboard, {
checker: (self, {
target: el
}) => !(el instanceof HTMLButtonElement) && self.#container.contains(el) && !self.isEnterHandled
}], [[" ", "mac+ "], proto.addNewEditorFromKeyboard, {
checker: (self, {
target: el
}) => !(el instanceof HTMLButtonElement) && self.#container.contains(document.activeElement)
}], [["Escape", "mac+Escape"], proto.unselectAll], [["ArrowLeft", "mac+ArrowLeft"], proto.translateSelectedEditors, {
args: [-small, 0],
checker: arrowChecker
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto.translateSelectedEditors, {
args: [-big, 0],
checker: arrowChecker
}], [["ArrowRight", "mac+ArrowRight"], proto.translateSelectedEditors, {
args: [small, 0],
checker: arrowChecker
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto.translateSelectedEditors, {
args: [big, 0],
checker: arrowChecker
}], [["ArrowUp", "mac+ArrowUp"], proto.translateSelectedEditors, {
args: [0, -small],
checker: arrowChecker
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto.translateSelectedEditors, {
args: [0, -big],
checker: arrowChecker
}], [["ArrowDown", "mac+ArrowDown"], proto.translateSelectedEditors, {
args: [0, small],
checker: arrowChecker
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto.translateSelectedEditors, {
args: [0, big],
checker: arrowChecker
}]]));
}
constructor(container, viewer, altTextManager, eventBus, pdfDocument, pageColors, highlightColors, enableHighlightFloatingButton, mlManager) {
this.#container = container;
this.#viewer = viewer;
this.#altTextManager = altTextManager;
this._eventBus = eventBus;
this._eventBus._on("editingaction", this.#boundOnEditingAction);
this._eventBus._on("pagechanging", this.#boundOnPageChanging);
this._eventBus._on("scalechanging", this.#boundOnScaleChanging);
this._eventBus._on("rotationchanging", this.#boundOnRotationChanging);
this.#addSelectionListener();
this.#addKeyboardManager();
this.#annotationStorage = pdfDocument.annotationStorage;
this.#filterFactory = pdfDocument.filterFactory;
this.#pageColors = pageColors;
this.#highlightColors = highlightColors || null;
this.#enableHighlightFloatingButton = enableHighlightFloatingButton;
this.#mlManager = mlManager || null;
this.viewParameters = {
realScale: PixelsPerInch.PDF_TO_CSS_UNITS,
rotation: 0
};
this.isShiftKeyDown = false;
}
destroy() {
this.#removeKeyboardManager();
this.#removeFocusManager();
this._eventBus._off("editingaction", this.#boundOnEditingAction);
this._eventBus._off("pagechanging", this.#boundOnPageChanging);
this._eventBus._off("scalechanging", this.#boundOnScaleChanging);
this._eventBus._off("rotationchanging", this.#boundOnRotationChanging);
for (const layer of this.#allLayers.values()) {
layer.destroy();
}
this.#allLayers.clear();
this.#allEditors.clear();
this.#editorsToRescale.clear();
this.#activeEditor = null;
this.#selectedEditors.clear();
this.#commandManager.destroy();
this.#altTextManager?.destroy();
this.#highlightToolbar?.hide();
this.#highlightToolbar = null;
if (this.#focusMainContainerTimeoutId) {
clearTimeout(this.#focusMainContainerTimeoutId);
this.#focusMainContainerTimeoutId = null;
}
if (this.#translationTimeoutId) {
clearTimeout(this.#translationTimeoutId);
this.#translationTimeoutId = null;
}
this.#removeSelectionListener();
}
async mlGuess(data) {
return this.#mlManager?.guess(data) || null;
}
get hasMLManager() {
return !!this.#mlManager;
}
get hcmFilter() {
return shadow(this, "hcmFilter", this.#pageColors ? this.#filterFactory.addHCMFilter(this.#pageColors.foreground, this.#pageColors.background) : "none");
}
get direction() {
return shadow(this, "direction", getComputedStyle(this.#container).direction);
}
get highlightColors() {
return shadow(this, "highlightColors", this.#highlightColors ? new Map(this.#highlightColors.split(",").map(pair => pair.split("=").map(x => x.trim()))) : null);
}
get highlightColorNames() {
return shadow(this, "highlightColorNames", this.highlightColors ? new Map(Array.from(this.highlightColors, e => e.reverse())) : null);
}
setMainHighlightColorPicker(colorPicker) {
this.#mainHighlightColorPicker = colorPicker;
}
editAltText(editor) {
this.#altTextManager?.editAltText(this, editor);
}
onPageChanging({
pageNumber
}) {
this.#currentPageIndex = pageNumber - 1;
}
focusMainContainer() {
this.#container.focus();
}
findParent(x, y) {
for (const layer of this.#allLayers.values()) {
const {
x: layerX,
y: layerY,
width,
height
} = layer.div.getBoundingClientRect();
if (x >= layerX && x <= layerX + width && y >= layerY && y <= layerY + height) {
return layer;
}
}
return null;
}
disableUserSelect(value = false) {
this.#viewer.classList.toggle("noUserSelect", value);
}
addShouldRescale(editor) {
this.#editorsToRescale.add(editor);
}
removeShouldRescale(editor) {
this.#editorsToRescale.delete(editor);
}
onScaleChanging({
scale
}) {
this.commitOrRemove();
this.viewParameters.realScale = scale * PixelsPerInch.PDF_TO_CSS_UNITS;
for (const editor of this.#editorsToRescale) {
editor.onScaleChanging();
}
}
onRotationChanging({
pagesRotation
}) {
this.commitOrRemove();
this.viewParameters.rotation = pagesRotation;
}
#getAnchorElementForSelection({
anchorNode
}) {
return anchorNode.nodeType === Node.TEXT_NODE ? anchorNode.parentElement : anchorNode;
}
highlightSelection(methodOfCreation = "") {
const selection = document.getSelection();
if (!selection || selection.isCollapsed) {
return;
}
const {
anchorNode,
anchorOffset,
focusNode,
focusOffset
} = selection;
const text = selection.toString();
const anchorElement = this.#getAnchorElementForSelection(selection);
const textLayer = anchorElement.closest(".textLayer");
const boxes = this.getSelectionBoxes(textLayer);
if (!boxes) {
return;
}
selection.empty();
if (this.#mode === AnnotationEditorType.NONE) {
this._eventBus.dispatch("showannotationeditorui", {
source: this,
mode: AnnotationEditorType.HIGHLIGHT
});
this.showAllEditors("highlight", true, true);
}
for (const layer of this.#allLayers.values()) {
if (layer.hasTextLayer(textLayer)) {
layer.createAndAddNewEditor({
x: 0,
y: 0
}, false, {
methodOfCreation,
boxes,
anchorNode,
anchorOffset,
focusNode,
focusOffset,
text
});
break;
}
}
}
#displayHighlightToolbar() {
const selection = document.getSelection();
if (!selection || selection.isCollapsed) {
return;
}
const anchorElement = this.#getAnchorElementForSelection(selection);
const textLayer = anchorElement.closest(".textLayer");
const boxes = this.getSelectionBoxes(textLayer);
if (!boxes) {
return;
}
this.#highlightToolbar ||= new HighlightToolbar(this);
this.#highlightToolbar.show(textLayer, boxes, this.direction === "ltr");
}
addToAnnotationStorage(editor) {
if (!editor.isEmpty() && this.#annotationStorage && !this.#annotationStorage.has(editor.id)) {
this.#annotationStorage.setValue(editor.id, editor);
}
}
#selectionChange() {
const selection = document.getSelection();
if (!selection || selection.isCollapsed) {
if (this.#selectedTextNode) {
this.#highlightToolbar?.hide();
this.#selectedTextNode = null;
this.#dispatchUpdateStates({
hasSelectedText: false
});
}
return;
}
const {
anchorNode
} = selection;
if (anchorNode === this.#selectedTextNode) {
return;
}
const anchorElement = this.#getAnchorElementForSelection(selection);
const textLayer = anchorElement.closest(".textLayer");
if (!textLayer) {
if (this.#selectedTextNode) {
this.#highlightToolbar?.hide();
this.#selectedTextNode = null;
this.#dispatchUpdateStates({
hasSelectedText: false
});
}
return;
}
this.#highlightToolbar?.hide();
this.#selectedTextNode = anchorNode;
this.#dispatchUpdateStates({
hasSelectedText: true
});
if (this.#mode !== AnnotationEditorType.HIGHLIGHT && this.#mode !== AnnotationEditorType.NONE) {
return;
}
if (this.#mode === AnnotationEditorType.HIGHLIGHT) {
this.showAllEditors("highlight", true, true);
}
this.#highlightWhenShiftUp = this.isShiftKeyDown;
if (!this.isShiftKeyDown) {
const pointerup = e => {
if (e.type === "pointerup" && e.button !== 0) {
return;
}
window.removeEventListener("pointerup", pointerup);
window.removeEventListener("blur", pointerup);
if (e.type === "pointerup") {
this.#onSelectEnd("main_toolbar");
}
};
window.addEventListener("pointerup", pointerup);
window.addEventListener("blur", pointerup);
}
}
#onSelectEnd(methodOfCreation = "") {
if (this.#mode === AnnotationEditorType.HIGHLIGHT) {
this.highlightSelection(methodOfCreation);
} else if (this.#enableHighlightFloatingButton) {
this.#displayHighlightToolbar();
}
}
#addSelectionListener() {
document.addEventListener("selectionchange", this.#boundSelectionChange);
}
#removeSelectionListener() {
document.removeEventListener("selectionchange", this.#boundSelectionChange);
}
#addFocusManager() {
window.addEventListener("focus", this.#boundFocus);
window.addEventListener("blur", this.#boundBlur);
}
#removeFocusManager() {
window.removeEventListener("focus", this.#boundFocus);
window.removeEventListener("blur", this.#boundBlur);
}
blur() {
this.isShiftKeyDown = false;
if (this.#highlightWhenShiftUp) {
this.#highlightWhenShiftUp = false;
this.#onSelectEnd("main_toolbar");
}
if (!this.hasSelection) {
return;
}
const {
activeElement
} = document;
for (const editor of this.#selectedEditors) {
if (editor.div.contains(activeElement)) {
this.#lastActiveElement = [editor, activeElement];
editor._focusEventsAllowed = false;
break;
}
}
}
focus() {
if (!this.#lastActiveElement) {
return;
}
const [lastEditor, lastActiveElement] = this.#lastActiveElement;
this.#lastActiveElement = null;
lastActiveElement.addEventListener("focusin", () => {
lastEditor._focusEventsAllowed = true;
}, {
once: true
});
lastActiveElement.focus();
}
#addKeyboardManager() {
window.addEventListener("keydown", this.#boundKeydown);
window.addEventListener("keyup", this.#boundKeyup);
}
#removeKeyboardManager() {
window.removeEventListener("keydown", this.#boundKeydown);
window.removeEventListener("keyup", this.#boundKeyup);
}
#addCopyPasteListeners() {
document.addEventListener("copy", this.#boundCopy);
document.addEventListener("cut", this.#boundCut);
document.addEventListener("paste", this.#boundPaste);
}
#removeCopyPasteListeners() {
document.removeEventListener("copy", this.#boundCopy);
document.removeEventListener("cut", this.#boundCut);
document.removeEventListener("paste", this.#boundPaste);
}
addEditListeners() {
this.#addKeyboardManager();
this.#addCopyPasteListeners();
}
removeEditListeners() {
this.#removeKeyboardManager();
this.#removeCopyPasteListeners();
}
copy(event) {
event.preventDefault();
this.#activeEditor?.commitOrRemove();
if (!this.hasSelection) {
return;
}
const editors = [];
for (const editor of this.#selectedEditors) {
const serialized = editor.serialize(true);
if (serialized) {
editors.push(serialized);
}
}
if (editors.length === 0) {
return;
}
event.clipboardData.setData("application/pdfjs", JSON.stringify(editors));
}
cut(event) {
this.copy(event);
this.delete();
}
paste(event) {
event.preventDefault();
const {
clipboardData
} = event;
for (const item of clipboardData.items) {
for (const editorType of this.#editorTypes) {
if (editorType.isHandlingMimeForPasting(item.type)) {
editorType.paste(item, this.currentLayer);
return;
}
}
}
let data = clipboardData.getData("application/pdfjs");
if (!data) {
return;
}
try {
data = JSON.parse(data);
} catch (ex) {
warn(`paste: "${ex.message}".`);
return;
}
if (!Array.isArray(data)) {
return;
}
this.unselectAll();
const layer = this.currentLayer;
try {
const newEditors = [];
for (const editor of data) {
const deserializedEditor = layer.deserialize(editor);
if (!deserializedEditor) {
return;
}
newEditors.push(deserializedEditor);
}
const cmd = () => {
for (const editor of newEditors) {
this.#addEditorToLayer(editor);
}
this.#selectEditors(newEditors);
};
const undo = () => {
for (const editor of newEditors) {
editor.remove();
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
} catch (ex) {
warn(`paste: "${ex.message}".`);
}
}
keydown(event) {
if (!this.isShiftKeyDown && event.key === "Shift") {
this.isShiftKeyDown = true;
}
if (this.#mode !== AnnotationEditorType.NONE && !this.isEditorHandlingKeyboard) {
AnnotationEditorUIManager._keyboardManager.exec(this, event);
}
}
keyup(event) {
if (this.isShiftKeyDown && event.key === "Shift") {
this.isShiftKeyDown = false;
if (this.#highlightWhenShiftUp) {
this.#highlightWhenShiftUp = false;
this.#onSelectEnd("main_toolbar");
}
}
}
onEditingAction({
name
}) {
switch (name) {
case "undo":
case "redo":
case "delete":
case "selectAll":
this[name]();
break;
case "highlightSelection":
this.highlightSelection("context_menu");
break;
}
}
#dispatchUpdateStates(details) {
const hasChanged = Object.entries(details).some(([key, value]) => this.#previousStates[key] !== value);
if (hasChanged) {
this._eventBus.dispatch("annotationeditorstateschanged", {
source: this,
details: Object.assign(this.#previousStates, details)
});
if (this.#mode === AnnotationEditorType.HIGHLIGHT && details.hasSelectedEditor === false) {
this.#dispatchUpdateUI([[AnnotationEditorParamsType.HIGHLIGHT_FREE, true]]);
}
}
}
#dispatchUpdateUI(details) {
this._eventBus.dispatch("annotationeditorparamschanged", {
source: this,
details
});
}
setEditingState(isEditing) {
if (isEditing) {
this.#addFocusManager();
this.#addCopyPasteListeners();
this.#dispatchUpdateStates({
isEditing: this.#mode !== AnnotationEditorType.NONE,
isEmpty: this.#isEmpty(),
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
hasSelectedEditor: false
});
} else {
this.#removeFocusManager();
this.#removeCopyPasteListeners();
this.#dispatchUpdateStates({
isEditing: false
});
this.disableUserSelect(false);
}
}
registerEditorTypes(types) {
if (this.#editorTypes) {
return;
}
this.#editorTypes = types;
for (const editorType of this.#editorTypes) {
this.#dispatchUpdateUI(editorType.defaultPropertiesToUpdate);
}
}
getId() {
return this.#idManager.id;
}
get currentLayer() {
return this.#allLayers.get(this.#currentPageIndex);
}
getLayer(pageIndex) {
return this.#allLayers.get(pageIndex);
}
get currentPageIndex() {
return this.#currentPageIndex;
}
addLayer(layer) {
this.#allLayers.set(layer.pageIndex, layer);
if (this.#isEnabled) {
layer.enable();
} else {
layer.disable();
}
}
removeLayer(layer) {
this.#allLayers.delete(layer.pageIndex);
}
updateMode(mode, editId = null, isFromKeyboard = false) {
if (this.#mode === mode) {
return;
}
this.#mode = mode;
if (mode === AnnotationEditorType.NONE) {
this.setEditingState(false);
this.#disableAll();
return;
}
this.setEditingState(true);
this.#enableAll();
this.unselectAll();
for (const layer of this.#allLayers.values()) {
layer.updateMode(mode);
}
if (!editId && isFromKeyboard) {
this.addNewEditorFromKeyboard();
return;
}
if (!editId) {
return;
}
for (const editor of this.#allEditors.values()) {
if (editor.annotationElementId === editId) {
this.setSelected(editor);
editor.enterInEditMode();
break;
}
}
}
addNewEditorFromKeyboard() {
if (this.currentLayer.canCreateNewEmptyEditor()) {
this.currentLayer.addNewEditor();
}
}
updateToolbar(mode) {
if (mode === this.#mode) {
return;
}
this._eventBus.dispatch("switchannotationeditormode", {
source: this,
mode
});
}
updateParams(type, value) {
if (!this.#editorTypes) {
return;
}
switch (type) {
case AnnotationEditorParamsType.CREATE:
this.currentLayer.addNewEditor();
return;
case AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR:
this.#mainHighlightColorPicker?.updateColor(value);
break;
case AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL:
this._eventBus.dispatch("reporttelemetry", {
source: this,
details: {
type: "editing",
data: {
type: "highlight",
action: "toggle_visibility"
}
}
});
(this.#showAllStates ||= new Map()).set(type, value);
this.showAllEditors("highlight", value);
break;
}
for (const editor of this.#selectedEditors) {
editor.updateParams(type, value);
}
for (const editorType of this.#editorTypes) {
editorType.updateDefaultParams(type, value);
}
}
showAllEditors(type, visible, updateButton = false) {
for (const editor of this.#allEditors.values()) {
if (editor.editorType === type) {
editor.show(visible);
}
}
const state = this.#showAllStates?.get(AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL) ?? true;
if (state !== visible) {
this.#dispatchUpdateUI([[AnnotationEditorParamsType.HIGHLIGHT_SHOW_ALL, visible]]);
}
}
enableWaiting(mustWait = false) {
if (this.#isWaiting === mustWait) {
return;
}
this.#isWaiting = mustWait;
for (const layer of this.#allLayers.values()) {
if (mustWait) {
layer.disableClick();
} else {
layer.enableClick();
}
layer.div.classList.toggle("waiting", mustWait);
}
}
#enableAll() {
if (!this.#isEnabled) {
this.#isEnabled = true;
for (const layer of this.#allLayers.values()) {
layer.enable();
}
for (const editor of this.#allEditors.values()) {
editor.enable();
}
}
}
#disableAll() {
this.unselectAll();
if (this.#isEnabled) {
this.#isEnabled = false;
for (const layer of this.#allLayers.values()) {
layer.disable();
}
for (const editor of this.#allEditors.values()) {
editor.disable();
}
}
}
getEditors(pageIndex) {
const editors = [];
for (const editor of this.#allEditors.values()) {
if (editor.pageIndex === pageIndex) {
editors.push(editor);
}
}
return editors;
}
getEditor(id) {
return this.#allEditors.get(id);
}
addEditor(editor) {
this.#allEditors.set(editor.id, editor);
}
removeEditor(editor) {
if (editor.div.contains(document.activeElement)) {
if (this.#focusMainContainerTimeoutId) {
clearTimeout(this.#focusMainContainerTimeoutId);
}
this.#focusMainContainerTimeoutId = setTimeout(() => {
this.focusMainContainer();
this.#focusMainContainerTimeoutId = null;
}, 0);
}
this.#allEditors.delete(editor.id);
this.unselect(editor);
if (!editor.annotationElementId || !this.#deletedAnnotationsElementIds.has(editor.annotationElementId)) {
this.#annotationStorage?.remove(editor.id);
}
}
addDeletedAnnotationElement(editor) {
this.#deletedAnnotationsElementIds.add(editor.annotationElementId);
this.addChangedExistingAnnotation(editor);
editor.deleted = true;
}
isDeletedAnnotationElement(annotationElementId) {
return this.#deletedAnnotationsElementIds.has(annotationElementId);
}
removeDeletedAnnotationElement(editor) {
this.#deletedAnnotationsElementIds.delete(editor.annotationElementId);
this.removeChangedExistingAnnotation(editor);
editor.deleted = false;
}
#addEditorToLayer(editor) {
const layer = this.#allLayers.get(editor.pageIndex);
if (layer) {
layer.addOrRebuild(editor);
} else {
this.addEditor(editor);
this.addToAnnotationStorage(editor);
}
}
setActiveEditor(editor) {
if (this.#activeEditor === editor) {
return;
}
this.#activeEditor = editor;
if (editor) {
this.#dispatchUpdateUI(editor.propertiesToUpdate);
}
}
get #lastSelectedEditor() {
let ed = null;
for (ed of this.#selectedEditors) {}
return ed;
}
updateUI(editor) {
if (this.#lastSelectedEditor === editor) {
this.#dispatchUpdateUI(editor.propertiesToUpdate);
}
}
toggleSelected(editor) {
if (this.#selectedEditors.has(editor)) {
this.#selectedEditors.delete(editor);
editor.unselect();
this.#dispatchUpdateStates({
hasSelectedEditor: this.hasSelection
});
return;
}
this.#selectedEditors.add(editor);
editor.select();
this.#dispatchUpdateUI(editor.propertiesToUpdate);
this.#dispatchUpdateStates({
hasSelectedEditor: true
});
}
setSelected(editor) {
for (const ed of this.#selectedEditors) {
if (ed !== editor) {
ed.unselect();
}
}
this.#selectedEditors.clear();
this.#selectedEditors.add(editor);
editor.select();
this.#dispatchUpdateUI(editor.propertiesToUpdate);
this.#dispatchUpdateStates({
hasSelectedEditor: true
});
}
isSelected(editor) {
return this.#selectedEditors.has(editor);
}
get firstSelectedEditor() {
return this.#selectedEditors.values().next().value;
}
unselect(editor) {
editor.unselect();
this.#selectedEditors.delete(editor);
this.#dispatchUpdateStates({
hasSelectedEditor: this.hasSelection
});
}
get hasSelection() {
return this.#selectedEditors.size !== 0;
}
get isEnterHandled() {
return this.#selectedEditors.size === 1 && this.firstSelectedEditor.isEnterHandled;
}
undo() {
this.#commandManager.undo();
this.#dispatchUpdateStates({
hasSomethingToUndo: this.#commandManager.hasSomethingToUndo(),
hasSomethingToRedo: true,
isEmpty: this.#isEmpty()
});
}
redo() {
this.#commandManager.redo();
this.#dispatchUpdateStates({
hasSomethingToUndo: true,
hasSomethingToRedo: this.#commandManager.hasSomethingToRedo(),
isEmpty: this.#isEmpty()
});
}
addCommands(params) {
this.#commandManager.add(params);
this.#dispatchUpdateStates({
hasSomethingToUndo: true,
hasSomethingToRedo: false,
isEmpty: this.#isEmpty()
});
}
#isEmpty() {
if (this.#allEditors.size === 0) {
return true;
}
if (this.#allEditors.size === 1) {
for (const editor of this.#allEditors.values()) {
return editor.isEmpty();
}
}
return false;
}
delete() {
this.commitOrRemove();
if (!this.hasSelection) {
return;
}
const editors = [...this.#selectedEditors];
const cmd = () => {
for (const editor of editors) {
editor.remove();
}
};
const undo = () => {
for (const editor of editors) {
this.#addEditorToLayer(editor);
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
}
commitOrRemove() {
this.#activeEditor?.commitOrRemove();
}
hasSomethingToControl() {
return this.#activeEditor || this.hasSelection;
}
#selectEditors(editors) {
for (const editor of this.#selectedEditors) {
editor.unselect();
}
this.#selectedEditors.clear();
for (const editor of editors) {
if (editor.isEmpty()) {
continue;
}
this.#selectedEditors.add(editor);
editor.select();
}
this.#dispatchUpdateStates({
hasSelectedEditor: this.hasSelection
});
}
selectAll() {
for (const editor of this.#selectedEditors) {
editor.commit();
}
this.#selectEditors(this.#allEditors.values());
}
unselectAll() {
if (this.#activeEditor) {
this.#activeEditor.commitOrRemove();
if (this.#mode !== AnnotationEditorType.NONE) {
return;
}
}
if (!this.hasSelection) {
return;
}
for (const editor of this.#selectedEditors) {
editor.unselect();
}
this.#selectedEditors.clear();
this.#dispatchUpdateStates({
hasSelectedEditor: false
});
}
translateSelectedEditors(x, y, noCommit = false) {
if (!noCommit) {
this.commitOrRemove();
}
if (!this.hasSelection) {
return;
}
this.#translation[0] += x;
this.#translation[1] += y;
const [totalX, totalY] = this.#translation;
const editors = [...this.#selectedEditors];
const TIME_TO_WAIT = 1000;
if (this.#translationTimeoutId) {
clearTimeout(this.#translationTimeoutId);
}
this.#translationTimeoutId = setTimeout(() => {
this.#translationTimeoutId = null;
this.#translation[0] = this.#translation[1] = 0;
this.addCommands({
cmd: () => {
for (const editor of editors) {
if (this.#allEditors.has(editor.id)) {
editor.translateInPage(totalX, totalY);
}
}
},
undo: () => {
for (const editor of editors) {
if (this.#allEditors.has(editor.id)) {
editor.translateInPage(-totalX, -totalY);
}
}
},
mustExec: false
});
}, TIME_TO_WAIT);
for (const editor of editors) {
editor.translateInPage(x, y);
}
}
setUpDragSession() {
if (!this.hasSelection) {
return;
}
this.disableUserSelect(true);
this.#draggingEditors = new Map();
for (const editor of this.#selectedEditors) {
this.#draggingEditors.set(editor, {
savedX: editor.x,
savedY: editor.y,
savedPageIndex: editor.pageIndex,
newX: 0,
newY: 0,
newPageIndex: -1
});
}
}
endDragSession() {
if (!this.#draggingEditors) {
return false;
}
this.disableUserSelect(false);
const map = this.#draggingEditors;
this.#draggingEditors = null;
let mustBeAddedInUndoStack = false;
for (const [{
x,
y,
pageIndex
}, value] of map) {
value.newX = x;
value.newY = y;
value.newPageIndex = pageIndex;
mustBeAddedInUndoStack ||= x !== value.savedX || y !== value.savedY || pageIndex !== value.savedPageIndex;
}
if (!mustBeAddedInUndoStack) {
return false;
}
const move = (editor, x, y, pageIndex) => {
if (this.#allEditors.has(editor.id)) {
const parent = this.#allLayers.get(pageIndex);
if (parent) {
editor._setParentAndPosition(parent, x, y);
} else {
editor.pageIndex = pageIndex;
editor.x = x;
editor.y = y;
}
}
};
this.addCommands({
cmd: () => {
for (const [editor, {
newX,
newY,
newPageIndex
}] of map) {
move(editor, newX, newY, newPageIndex);
}
},
undo: () => {
for (const [editor, {
savedX,
savedY,
savedPageIndex
}] of map) {
move(editor, savedX, savedY, savedPageIndex);
}
},
mustExec: true
});
return true;
}
dragSelectedEditors(tx, ty) {
if (!this.#draggingEditors) {
return;
}
for (const editor of this.#draggingEditors.keys()) {
editor.drag(tx, ty);
}
}
rebuild(editor) {
if (editor.parent === null) {
const parent = this.getLayer(editor.pageIndex);
if (parent) {
parent.changeParent(editor);
parent.addOrRebuild(editor);
} else {
this.addEditor(editor);
this.addToAnnotationStorage(editor);
editor.rebuild();
}
} else {
editor.parent.addOrRebuild(editor);
}
}
get isEditorHandlingKeyboard() {
return this.getActive()?.shouldGetKeyboardEvents() || this.#selectedEditors.size === 1 && this.firstSelectedEditor.shouldGetKeyboardEvents();
}
isActive(editor) {
return this.#activeEditor === editor;
}
getActive() {
return this.#activeEditor;
}
getMode() {
return this.#mode;
}
get imageManager() {
return shadow(this, "imageManager", new ImageManager());
}
getSelectionBoxes(textLayer) {
if (!textLayer) {
return null;
}
const selection = document.getSelection();
for (let i = 0, ii = selection.rangeCount; i < ii; i++) {
if (!textLayer.contains(selection.getRangeAt(i).commonAncestorContainer)) {
return null;
}
}
const {
x: layerX,
y: layerY,
width: parentWidth,
height: parentHeight
} = textLayer.getBoundingClientRect();
let rotator;
switch (textLayer.getAttribute("data-main-rotation")) {
case "90":
rotator = (x, y, w, h) => ({
x: (y - layerY) / parentHeight,
y: 1 - (x + w - layerX) / parentWidth,
width: h / parentHeight,
height: w / parentWidth
});
break;
case "180":
rotator = (x, y, w, h) => ({
x: 1 - (x + w - layerX) / parentWidth,
y: 1 - (y + h - layerY) / parentHeight,
width: w / parentWidth,
height: h / parentHeight
});
break;
case "270":
rotator = (x, y, w, h) => ({
x: 1 - (y + h - layerY) / parentHeight,
y: (x - layerX) / parentWidth,
width: h / parentHeight,
height: w / parentWidth
});
break;
default:
rotator = (x, y, w, h) => ({
x: (x - layerX) / parentWidth,
y: (y - layerY) / parentHeight,
width: w / parentWidth,
height: h / parentHeight
});
break;
}
const boxes = [];
for (let i = 0, ii = selection.rangeCount; i < ii; i++) {
const range = selection.getRangeAt(i);
if (range.collapsed) {
continue;
}
for (const {
x,
y,
width,
height
} of range.getClientRects()) {
if (width === 0 || height === 0) {
continue;
}
boxes.push(rotator(x, y, width, height));
}
}
return boxes.length === 0 ? null : boxes;
}
addChangedExistingAnnotation({
annotationElementId,
id
}) {
(this.#changedExistingAnnotations ||= new Map()).set(annotationElementId, id);
}
removeChangedExistingAnnotation({
annotationElementId
}) {
this.#changedExistingAnnotations?.delete(annotationElementId);
}
renderAnnotationElement(annotation) {
const editorId = this.#changedExistingAnnotations?.get(annotation.data.id);
if (!editorId) {
return;
}
const editor = this.#annotationStorage.getRawValue(editorId);
if (!editor) {
return;
}
if (this.#mode === AnnotationEditorType.NONE && !editor.hasBeenModified) {
return;
}
editor.renderAnnotationElement(annotation);
}
}
;// CONCATENATED MODULE: ./src/display/editor/alt_text.js
class AltText {
#altText = "";
#altTextDecorative = false;
#altTextButton = null;
#altTextTooltip = null;
#altTextTooltipTimeout = null;
#altTextWasFromKeyBoard = false;
#editor = null;
static _l10nPromise = null;
constructor(editor) {
this.#editor = editor;
}
static initialize(l10nPromise) {
AltText._l10nPromise ||= l10nPromise;
}
async render() {
const altText = this.#altTextButton = document.createElement("button");
altText.className = "altText";
const msg = await AltText._l10nPromise.get("pdfjs-editor-alt-text-button-label");
altText.textContent = msg;
altText.setAttribute("aria-label", msg);
altText.tabIndex = "0";
altText.addEventListener("contextmenu", noContextMenu);
altText.addEventListener("pointerdown", event => event.stopPropagation());
const onClick = event => {
event.preventDefault();
this.#editor._uiManager.editAltText(this.#editor);
};
altText.addEventListener("click", onClick, {
capture: true
});
altText.addEventListener("keydown", event => {
if (event.target === altText && event.key === "Enter") {
this.#altTextWasFromKeyBoard = true;
onClick(event);
}
});
await this.#setState();
return altText;
}
finish() {
if (!this.#altTextButton) {
return;
}
this.#altTextButton.focus({
focusVisible: this.#altTextWasFromKeyBoard
});
this.#altTextWasFromKeyBoard = false;
}
isEmpty() {
return !this.#altText && !this.#altTextDecorative;
}
get data() {
return {
altText: this.#altText,
decorative: this.#altTextDecorative
};
}
set data({
altText,
decorative
}) {
if (this.#altText === altText && this.#altTextDecorative === decorative) {
return;
}
this.#altText = altText;
this.#altTextDecorative = decorative;
this.#setState();
}
toggle(enabled = false) {
if (!this.#altTextButton) {
return;
}
if (!enabled && this.#altTextTooltipTimeout) {
clearTimeout(this.#altTextTooltipTimeout);
this.#altTextTooltipTimeout = null;
}
this.#altTextButton.disabled = !enabled;
}
destroy() {
this.#altTextButton?.remove();
this.#altTextButton = null;
this.#altTextTooltip = null;
}
async #setState() {
const button = this.#altTextButton;
if (!button) {
return;
}
if (!this.#altText && !this.#altTextDecorative) {
button.classList.remove("done");
this.#altTextTooltip?.remove();
return;
}
button.classList.add("done");
AltText._l10nPromise.get("pdfjs-editor-alt-text-edit-button-label").then(msg => {
button.setAttribute("aria-label", msg);
});
let tooltip = this.#altTextTooltip;
if (!tooltip) {
this.#altTextTooltip = tooltip = document.createElement("span");
tooltip.className = "tooltip";
tooltip.setAttribute("role", "tooltip");
const id = tooltip.id = `alt-text-tooltip-${this.#editor.id}`;
button.setAttribute("aria-describedby", id);
const DELAY_TO_SHOW_TOOLTIP = 100;
button.addEventListener("mouseenter", () => {
this.#altTextTooltipTimeout = setTimeout(() => {
this.#altTextTooltipTimeout = null;
this.#altTextTooltip.classList.add("show");
this.#editor._reportTelemetry({
action: "alt_text_tooltip"
});
}, DELAY_TO_SHOW_TOOLTIP);
});
button.addEventListener("mouseleave", () => {
if (this.#altTextTooltipTimeout) {
clearTimeout(this.#altTextTooltipTimeout);
this.#altTextTooltipTimeout = null;
}
this.#altTextTooltip?.classList.remove("show");
});
}
tooltip.innerText = this.#altTextDecorative ? await AltText._l10nPromise.get("pdfjs-editor-alt-text-decorative-tooltip") : this.#altText;
if (!tooltip.parentNode) {
button.append(tooltip);
}
const element = this.#editor.getImageForAltText();
element?.setAttribute("aria-describedby", tooltip.id);
}
}
;// CONCATENATED MODULE: ./src/display/editor/editor.js
class AnnotationEditor {
#allResizerDivs = null;
#altText = null;
#disabled = false;
#keepAspectRatio = false;
#resizersDiv = null;
#savedDimensions = null;
#boundFocusin = this.focusin.bind(this);
#boundFocusout = this.focusout.bind(this);
#editToolbar = null;
#focusedResizerName = "";
#hasBeenClicked = false;
#initialPosition = null;
#isEditing = false;
#isInEditMode = false;
#isResizerEnabledForKeyboard = false;
#moveInDOMTimeout = null;
#prevDragX = 0;
#prevDragY = 0;
#telemetryTimeouts = null;
_initialOptions = Object.create(null);
_isVisible = true;
_uiManager = null;
_focusEventsAllowed = true;
_l10nPromise = null;
#isDraggable = false;
#zIndex = AnnotationEditor._zIndex++;
static _borderLineWidth = -1;
static _colorManager = new ColorManager();
static _zIndex = 1;
static _telemetryTimeout = 1000;
static get _resizerKeyboardManager() {
const resize = AnnotationEditor.prototype._resizeWithKeyboard;
const small = AnnotationEditorUIManager.TRANSLATE_SMALL;
const big = AnnotationEditorUIManager.TRANSLATE_BIG;
return shadow(this, "_resizerKeyboardManager", new KeyboardManager([[["ArrowLeft", "mac+ArrowLeft"], resize, {
args: [-small, 0]
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], resize, {
args: [-big, 0]
}], [["ArrowRight", "mac+ArrowRight"], resize, {
args: [small, 0]
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], resize, {
args: [big, 0]
}], [["ArrowUp", "mac+ArrowUp"], resize, {
args: [0, -small]
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], resize, {
args: [0, -big]
}], [["ArrowDown", "mac+ArrowDown"], resize, {
args: [0, small]
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], resize, {
args: [0, big]
}], [["Escape", "mac+Escape"], AnnotationEditor.prototype._stopResizingWithKeyboard]]));
}
constructor(parameters) {
if (this.constructor === AnnotationEditor) {
unreachable("Cannot initialize AnnotationEditor.");
}
this.parent = parameters.parent;
this.id = parameters.id;
this.width = this.height = null;
this.pageIndex = parameters.parent.pageIndex;
this.name = parameters.name;
this.div = null;
this._uiManager = parameters.uiManager;
this.annotationElementId = null;
this._willKeepAspectRatio = false;
this._initialOptions.isCentered = parameters.isCentered;
this._structTreeParentId = null;
const {
rotation,
rawDims: {
pageWidth,
pageHeight,
pageX,
pageY
}
} = this.parent.viewport;
this.rotation = rotation;
this.pageRotation = (360 + rotation - this._uiManager.viewParameters.rotation) % 360;
this.pageDimensions = [pageWidth, pageHeight];
this.pageTranslation = [pageX, pageY];
const [width, height] = this.parentDimensions;
this.x = parameters.x / width;
this.y = parameters.y / height;
this.isAttachedToDOM = false;
this.deleted = false;
}
get editorType() {
return Object.getPrototypeOf(this).constructor._type;
}
static get _defaultLineColor() {
return shadow(this, "_defaultLineColor", this._colorManager.getHexCode("CanvasText"));
}
static deleteAnnotationElement(editor) {
const fakeEditor = new FakeEditor({
id: editor.parent.getNextId(),
parent: editor.parent,
uiManager: editor._uiManager
});
fakeEditor.annotationElementId = editor.annotationElementId;
fakeEditor.deleted = true;
fakeEditor._uiManager.addToAnnotationStorage(fakeEditor);
}
static initialize(l10n, _uiManager, options) {
AnnotationEditor._l10nPromise ||= new Map(["pdfjs-editor-alt-text-button-label", "pdfjs-editor-alt-text-edit-button-label", "pdfjs-editor-alt-text-decorative-tooltip", "pdfjs-editor-resizer-label-topLeft", "pdfjs-editor-resizer-label-topMiddle", "pdfjs-editor-resizer-label-topRight", "pdfjs-editor-resizer-label-middleRight", "pdfjs-editor-resizer-label-bottomRight", "pdfjs-editor-resizer-label-bottomMiddle", "pdfjs-editor-resizer-label-bottomLeft", "pdfjs-editor-resizer-label-middleLeft"].map(str => [str, l10n.get(str.replaceAll(/([A-Z])/g, c => `-${c.toLowerCase()}`))]));
if (options?.strings) {
for (const str of options.strings) {
AnnotationEditor._l10nPromise.set(str, l10n.get(str));
}
}
if (AnnotationEditor._borderLineWidth !== -1) {
return;
}
const style = getComputedStyle(document.documentElement);
AnnotationEditor._borderLineWidth = parseFloat(style.getPropertyValue("--outline-width")) || 0;
}
static updateDefaultParams(_type, _value) {}
static get defaultPropertiesToUpdate() {
return [];
}
static isHandlingMimeForPasting(mime) {
return false;
}
static paste(item, parent) {
unreachable("Not implemented");
}
get propertiesToUpdate() {
return [];
}
get _isDraggable() {
return this.#isDraggable;
}
set _isDraggable(value) {
this.#isDraggable = value;
this.div?.classList.toggle("draggable", value);
}
get isEnterHandled() {
return true;
}
center() {
const [pageWidth, pageHeight] = this.pageDimensions;
switch (this.parentRotation) {
case 90:
this.x -= this.height * pageHeight / (pageWidth * 2);
this.y += this.width * pageWidth / (pageHeight * 2);
break;
case 180:
this.x += this.width / 2;
this.y += this.height / 2;
break;
case 270:
this.x += this.height * pageHeight / (pageWidth * 2);
this.y -= this.width * pageWidth / (pageHeight * 2);
break;
default:
this.x -= this.width / 2;
this.y -= this.height / 2;
break;
}
this.fixAndSetPosition();
}
addCommands(params) {
this._uiManager.addCommands(params);
}
get currentLayer() {
return this._uiManager.currentLayer;
}
setInBackground() {
this.div.style.zIndex = 0;
}
setInForeground() {
this.div.style.zIndex = this.#zIndex;
}
setParent(parent) {
if (parent !== null) {
this.pageIndex = parent.pageIndex;
this.pageDimensions = parent.pageDimensions;
} else {
this.#stopResizing();
}
this.parent = parent;
}
focusin(event) {
if (!this._focusEventsAllowed) {
return;
}
if (!this.#hasBeenClicked) {
this.parent.setSelected(this);
} else {
this.#hasBeenClicked = false;
}
}
focusout(event) {
if (!this._focusEventsAllowed) {
return;
}
if (!this.isAttachedToDOM) {
return;
}
const target = event.relatedTarget;
if (target?.closest(`#${this.id}`)) {
return;
}
event.preventDefault();
if (!this.parent?.isMultipleSelection) {
this.commitOrRemove();
}
}
commitOrRemove() {
if (this.isEmpty()) {
this.remove();
} else {
this.commit();
}
}
commit() {
this.addToAnnotationStorage();
}
addToAnnotationStorage() {
this._uiManager.addToAnnotationStorage(this);
}
setAt(x, y, tx, ty) {
const [width, height] = this.parentDimensions;
[tx, ty] = this.screenToPageTranslation(tx, ty);
this.x = (x + tx) / width;
this.y = (y + ty) / height;
this.fixAndSetPosition();
}
#translate([width, height], x, y) {
[x, y] = this.screenToPageTranslation(x, y);
this.x += x / width;
this.y += y / height;
this.fixAndSetPosition();
}
translate(x, y) {
this.#translate(this.parentDimensions, x, y);
}
translateInPage(x, y) {
this.#initialPosition ||= [this.x, this.y];
this.#translate(this.pageDimensions, x, y);
this.div.scrollIntoView({
block: "nearest"
});
}
drag(tx, ty) {
this.#initialPosition ||= [this.x, this.y];
const [parentWidth, parentHeight] = this.parentDimensions;
this.x += tx / parentWidth;
this.y += ty / parentHeight;
if (this.parent && (this.x < 0 || this.x > 1 || this.y < 0 || this.y > 1)) {
const {
x,
y
} = this.div.getBoundingClientRect();
if (this.parent.findNewParent(this, x, y)) {
this.x -= Math.floor(this.x);
this.y -= Math.floor(this.y);
}
}
let {
x,
y
} = this;
const [bx, by] = this.getBaseTranslation();
x += bx;
y += by;
this.div.style.left = `${(100 * x).toFixed(2)}%`;
this.div.style.top = `${(100 * y).toFixed(2)}%`;
this.div.scrollIntoView({
block: "nearest"
});
}
get _hasBeenMoved() {
return !!this.#initialPosition && (this.#initialPosition[0] !== this.x || this.#initialPosition[1] !== this.y);
}
getBaseTranslation() {
const [parentWidth, parentHeight] = this.parentDimensions;
const {
_borderLineWidth
} = AnnotationEditor;
const x = _borderLineWidth / parentWidth;
const y = _borderLineWidth / parentHeight;
switch (this.rotation) {
case 90:
return [-x, y];
case 180:
return [x, y];
case 270:
return [x, -y];
default:
return [-x, -y];
}
}
get _mustFixPosition() {
return true;
}
fixAndSetPosition(rotation = this.rotation) {
const [pageWidth, pageHeight] = this.pageDimensions;
let {
x,
y,
width,
height
} = this;
width *= pageWidth;
height *= pageHeight;
x *= pageWidth;
y *= pageHeight;
if (this._mustFixPosition) {
switch (rotation) {
case 0:
x = Math.max(0, Math.min(pageWidth - width, x));
y = Math.max(0, Math.min(pageHeight - height, y));
break;
case 90:
x = Math.max(0, Math.min(pageWidth - height, x));
y = Math.min(pageHeight, Math.max(width, y));
break;
case 180:
x = Math.min(pageWidth, Math.max(width, x));
y = Math.min(pageHeight, Math.max(height, y));
break;
case 270:
x = Math.min(pageWidth, Math.max(height, x));
y = Math.max(0, Math.min(pageHeight - width, y));
break;
}
}
this.x = x /= pageWidth;
this.y = y /= pageHeight;
const [bx, by] = this.getBaseTranslation();
x += bx;
y += by;
const {
style
} = this.div;
style.left = `${(100 * x).toFixed(2)}%`;
style.top = `${(100 * y).toFixed(2)}%`;
this.moveInDOM();
}
static #rotatePoint(x, y, angle) {
switch (angle) {
case 90:
return [y, -x];
case 180:
return [-x, -y];
case 270:
return [-y, x];
default:
return [x, y];
}
}
screenToPageTranslation(x, y) {
return AnnotationEditor.#rotatePoint(x, y, this.parentRotation);
}
pageTranslationToScreen(x, y) {
return AnnotationEditor.#rotatePoint(x, y, 360 - this.parentRotation);
}
#getRotationMatrix(rotation) {
switch (rotation) {
case 90:
{
const [pageWidth, pageHeight] = this.pageDimensions;
return [0, -pageWidth / pageHeight, pageHeight / pageWidth, 0];
}
case 180:
return [-1, 0, 0, -1];
case 270:
{
const [pageWidth, pageHeight] = this.pageDimensions;
return [0, pageWidth / pageHeight, -pageHeight / pageWidth, 0];
}
default:
return [1, 0, 0, 1];
}
}
get parentScale() {
return this._uiManager.viewParameters.realScale;
}
get parentRotation() {
return (this._uiManager.viewParameters.rotation + this.pageRotation) % 360;
}
get parentDimensions() {
const {
parentScale,
pageDimensions: [pageWidth, pageHeight]
} = this;
const scaledWidth = pageWidth * parentScale;
const scaledHeight = pageHeight * parentScale;
return util_FeatureTest.isCSSRoundSupported ? [Math.round(scaledWidth), Math.round(scaledHeight)] : [scaledWidth, scaledHeight];
}
setDims(width, height) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.div.style.width = `${(100 * width / parentWidth).toFixed(2)}%`;
if (!this.#keepAspectRatio) {
this.div.style.height = `${(100 * height / parentHeight).toFixed(2)}%`;
}
}
fixDims() {
const {
style
} = this.div;
const {
height,
width
} = style;
const widthPercent = width.endsWith("%");
const heightPercent = !this.#keepAspectRatio && height.endsWith("%");
if (widthPercent && heightPercent) {
return;
}
const [parentWidth, parentHeight] = this.parentDimensions;
if (!widthPercent) {
style.width = `${(100 * parseFloat(width) / parentWidth).toFixed(2)}%`;
}
if (!this.#keepAspectRatio && !heightPercent) {
style.height = `${(100 * parseFloat(height) / parentHeight).toFixed(2)}%`;
}
}
getInitialTranslation() {
return [0, 0];
}
#createResizers() {
if (this.#resizersDiv) {
return;
}
this.#resizersDiv = document.createElement("div");
this.#resizersDiv.classList.add("resizers");
const classes = this._willKeepAspectRatio ? ["topLeft", "topRight", "bottomRight", "bottomLeft"] : ["topLeft", "topMiddle", "topRight", "middleRight", "bottomRight", "bottomMiddle", "bottomLeft", "middleLeft"];
for (const name of classes) {
const div = document.createElement("div");
this.#resizersDiv.append(div);
div.classList.add("resizer", name);
div.setAttribute("data-resizer-name", name);
div.addEventListener("pointerdown", this.#resizerPointerdown.bind(this, name));
div.addEventListener("contextmenu", noContextMenu);
div.tabIndex = -1;
}
this.div.prepend(this.#resizersDiv);
}
#resizerPointerdown(name, event) {
event.preventDefault();
const {
isMac
} = util_FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
this.#altText?.toggle(false);
const boundResizerPointermove = this.#resizerPointermove.bind(this, name);
const savedDraggable = this._isDraggable;
this._isDraggable = false;
const pointerMoveOptions = {
passive: true,
capture: true
};
this.parent.togglePointerEvents(false);
window.addEventListener("pointermove", boundResizerPointermove, pointerMoveOptions);
window.addEventListener("contextmenu", noContextMenu);
const savedX = this.x;
const savedY = this.y;
const savedWidth = this.width;
const savedHeight = this.height;
const savedParentCursor = this.parent.div.style.cursor;
const savedCursor = this.div.style.cursor;
this.div.style.cursor = this.parent.div.style.cursor = window.getComputedStyle(event.target).cursor;
const pointerUpCallback = () => {
this.parent.togglePointerEvents(true);
this.#altText?.toggle(true);
this._isDraggable = savedDraggable;
window.removeEventListener("pointerup", pointerUpCallback);
window.removeEventListener("blur", pointerUpCallback);
window.removeEventListener("pointermove", boundResizerPointermove, pointerMoveOptions);
window.removeEventListener("contextmenu", noContextMenu);
this.parent.div.style.cursor = savedParentCursor;
this.div.style.cursor = savedCursor;
this.#addResizeToUndoStack(savedX, savedY, savedWidth, savedHeight);
};
window.addEventListener("pointerup", pointerUpCallback);
window.addEventListener("blur", pointerUpCallback);
}
#addResizeToUndoStack(savedX, savedY, savedWidth, savedHeight) {
const newX = this.x;
const newY = this.y;
const newWidth = this.width;
const newHeight = this.height;
if (newX === savedX && newY === savedY && newWidth === savedWidth && newHeight === savedHeight) {
return;
}
this.addCommands({
cmd: () => {
this.width = newWidth;
this.height = newHeight;
this.x = newX;
this.y = newY;
const [parentWidth, parentHeight] = this.parentDimensions;
this.setDims(parentWidth * newWidth, parentHeight * newHeight);
this.fixAndSetPosition();
},
undo: () => {
this.width = savedWidth;
this.height = savedHeight;
this.x = savedX;
this.y = savedY;
const [parentWidth, parentHeight] = this.parentDimensions;
this.setDims(parentWidth * savedWidth, parentHeight * savedHeight);
this.fixAndSetPosition();
},
mustExec: true
});
}
#resizerPointermove(name, event) {
const [parentWidth, parentHeight] = this.parentDimensions;
const savedX = this.x;
const savedY = this.y;
const savedWidth = this.width;
const savedHeight = this.height;
const minWidth = AnnotationEditor.MIN_SIZE / parentWidth;
const minHeight = AnnotationEditor.MIN_SIZE / parentHeight;
const round = x => Math.round(x * 10000) / 10000;
const rotationMatrix = this.#getRotationMatrix(this.rotation);
const transf = (x, y) => [rotationMatrix[0] * x + rotationMatrix[2] * y, rotationMatrix[1] * x + rotationMatrix[3] * y];
const invRotationMatrix = this.#getRotationMatrix(360 - this.rotation);
const invTransf = (x, y) => [invRotationMatrix[0] * x + invRotationMatrix[2] * y, invRotationMatrix[1] * x + invRotationMatrix[3] * y];
let getPoint;
let getOpposite;
let isDiagonal = false;
let isHorizontal = false;
switch (name) {
case "topLeft":
isDiagonal = true;
getPoint = (w, h) => [0, 0];
getOpposite = (w, h) => [w, h];
break;
case "topMiddle":
getPoint = (w, h) => [w / 2, 0];
getOpposite = (w, h) => [w / 2, h];
break;
case "topRight":
isDiagonal = true;
getPoint = (w, h) => [w, 0];
getOpposite = (w, h) => [0, h];
break;
case "middleRight":
isHorizontal = true;
getPoint = (w, h) => [w, h / 2];
getOpposite = (w, h) => [0, h / 2];
break;
case "bottomRight":
isDiagonal = true;
getPoint = (w, h) => [w, h];
getOpposite = (w, h) => [0, 0];
break;
case "bottomMiddle":
getPoint = (w, h) => [w / 2, h];
getOpposite = (w, h) => [w / 2, 0];
break;
case "bottomLeft":
isDiagonal = true;
getPoint = (w, h) => [0, h];
getOpposite = (w, h) => [w, 0];
break;
case "middleLeft":
isHorizontal = true;
getPoint = (w, h) => [0, h / 2];
getOpposite = (w, h) => [w, h / 2];
break;
}
const point = getPoint(savedWidth, savedHeight);
const oppositePoint = getOpposite(savedWidth, savedHeight);
let transfOppositePoint = transf(...oppositePoint);
const oppositeX = round(savedX + transfOppositePoint[0]);
const oppositeY = round(savedY + transfOppositePoint[1]);
let ratioX = 1;
let ratioY = 1;
let [deltaX, deltaY] = this.screenToPageTranslation(event.movementX, event.movementY);
[deltaX, deltaY] = invTransf(deltaX / parentWidth, deltaY / parentHeight);
if (isDiagonal) {
const oldDiag = Math.hypot(savedWidth, savedHeight);
ratioX = ratioY = Math.max(Math.min(Math.hypot(oppositePoint[0] - point[0] - deltaX, oppositePoint[1] - point[1] - deltaY) / oldDiag, 1 / savedWidth, 1 / savedHeight), minWidth / savedWidth, minHeight / savedHeight);
} else if (isHorizontal) {
ratioX = Math.max(minWidth, Math.min(1, Math.abs(oppositePoint[0] - point[0] - deltaX))) / savedWidth;
} else {
ratioY = Math.max(minHeight, Math.min(1, Math.abs(oppositePoint[1] - point[1] - deltaY))) / savedHeight;
}
const newWidth = round(savedWidth * ratioX);
const newHeight = round(savedHeight * ratioY);
transfOppositePoint = transf(...getOpposite(newWidth, newHeight));
const newX = oppositeX - transfOppositePoint[0];
const newY = oppositeY - transfOppositePoint[1];
this.width = newWidth;
this.height = newHeight;
this.x = newX;
this.y = newY;
this.setDims(parentWidth * newWidth, parentHeight * newHeight);
this.fixAndSetPosition();
}
altTextFinish() {
this.#altText?.finish();
}
async addEditToolbar() {
if (this.#editToolbar || this.#isInEditMode) {
return this.#editToolbar;
}
this.#editToolbar = new EditorToolbar(this);
this.div.append(this.#editToolbar.render());
if (this.#altText) {
this.#editToolbar.addAltTextButton(await this.#altText.render());
}
return this.#editToolbar;
}
removeEditToolbar() {
if (!this.#editToolbar) {
return;
}
this.#editToolbar.remove();
this.#editToolbar = null;
this.#altText?.destroy();
}
getClientDimensions() {
return this.div.getBoundingClientRect();
}
async addAltTextButton() {
if (this.#altText) {
return;
}
AltText.initialize(AnnotationEditor._l10nPromise);
this.#altText = new AltText(this);
await this.addEditToolbar();
}
get altTextData() {
return this.#altText?.data;
}
set altTextData(data) {
if (!this.#altText) {
return;
}
this.#altText.data = data;
}
hasAltText() {
return !this.#altText?.isEmpty();
}
render() {
this.div = document.createElement("div");
this.div.setAttribute("data-editor-rotation", (360 - this.rotation) % 360);
this.div.className = this.name;
this.div.setAttribute("id", this.id);
this.div.tabIndex = this.#disabled ? -1 : 0;
if (!this._isVisible) {
this.div.classList.add("hidden");
}
this.setInForeground();
this.div.addEventListener("focusin", this.#boundFocusin);
this.div.addEventListener("focusout", this.#boundFocusout);
const [parentWidth, parentHeight] = this.parentDimensions;
if (this.parentRotation % 180 !== 0) {
this.div.style.maxWidth = `${(100 * parentHeight / parentWidth).toFixed(2)}%`;
this.div.style.maxHeight = `${(100 * parentWidth / parentHeight).toFixed(2)}%`;
}
const [tx, ty] = this.getInitialTranslation();
this.translate(tx, ty);
bindEvents(this, this.div, ["pointerdown"]);
return this.div;
}
pointerdown(event) {
const {
isMac
} = util_FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
event.preventDefault();
return;
}
this.#hasBeenClicked = true;
if (this._isDraggable) {
this.#setUpDragSession(event);
return;
}
this.#selectOnPointerEvent(event);
}
#selectOnPointerEvent(event) {
const {
isMac
} = util_FeatureTest.platform;
if (event.ctrlKey && !isMac || event.shiftKey || event.metaKey && isMac) {
this.parent.toggleSelected(this);
} else {
this.parent.setSelected(this);
}
}
#setUpDragSession(event) {
const isSelected = this._uiManager.isSelected(this);
this._uiManager.setUpDragSession();
let pointerMoveOptions, pointerMoveCallback;
if (isSelected) {
this.div.classList.add("moving");
pointerMoveOptions = {
passive: true,
capture: true
};
this.#prevDragX = event.clientX;
this.#prevDragY = event.clientY;
pointerMoveCallback = e => {
const {
clientX: x,
clientY: y
} = e;
const [tx, ty] = this.screenToPageTranslation(x - this.#prevDragX, y - this.#prevDragY);
this.#prevDragX = x;
this.#prevDragY = y;
this._uiManager.dragSelectedEditors(tx, ty);
};
window.addEventListener("pointermove", pointerMoveCallback, pointerMoveOptions);
}
const pointerUpCallback = () => {
window.removeEventListener("pointerup", pointerUpCallback);
window.removeEventListener("blur", pointerUpCallback);
if (isSelected) {
this.div.classList.remove("moving");
window.removeEventListener("pointermove", pointerMoveCallback, pointerMoveOptions);
}
this.#hasBeenClicked = false;
if (!this._uiManager.endDragSession()) {
this.#selectOnPointerEvent(event);
}
};
window.addEventListener("pointerup", pointerUpCallback);
window.addEventListener("blur", pointerUpCallback);
}
moveInDOM() {
if (this.#moveInDOMTimeout) {
clearTimeout(this.#moveInDOMTimeout);
}
this.#moveInDOMTimeout = setTimeout(() => {
this.#moveInDOMTimeout = null;
this.parent?.moveEditorInDOM(this);
}, 0);
}
_setParentAndPosition(parent, x, y) {
parent.changeParent(this);
this.x = x;
this.y = y;
this.fixAndSetPosition();
}
getRect(tx, ty, rotation = this.rotation) {
const scale = this.parentScale;
const [pageWidth, pageHeight] = this.pageDimensions;
const [pageX, pageY] = this.pageTranslation;
const shiftX = tx / scale;
const shiftY = ty / scale;
const x = this.x * pageWidth;
const y = this.y * pageHeight;
const width = this.width * pageWidth;
const height = this.height * pageHeight;
switch (rotation) {
case 0:
return [x + shiftX + pageX, pageHeight - y - shiftY - height + pageY, x + shiftX + width + pageX, pageHeight - y - shiftY + pageY];
case 90:
return [x + shiftY + pageX, pageHeight - y + shiftX + pageY, x + shiftY + height + pageX, pageHeight - y + shiftX + width + pageY];
case 180:
return [x - shiftX - width + pageX, pageHeight - y + shiftY + pageY, x - shiftX + pageX, pageHeight - y + shiftY + height + pageY];
case 270:
return [x - shiftY - height + pageX, pageHeight - y - shiftX - width + pageY, x - shiftY + pageX, pageHeight - y - shiftX + pageY];
default:
throw new Error("Invalid rotation");
}
}
getRectInCurrentCoords(rect, pageHeight) {
const [x1, y1, x2, y2] = rect;
const width = x2 - x1;
const height = y2 - y1;
switch (this.rotation) {
case 0:
return [x1, pageHeight - y2, width, height];
case 90:
return [x1, pageHeight - y1, height, width];
case 180:
return [x2, pageHeight - y1, width, height];
case 270:
return [x2, pageHeight - y2, height, width];
default:
throw new Error("Invalid rotation");
}
}
onceAdded() {}
isEmpty() {
return false;
}
enableEditMode() {
this.#isInEditMode = true;
}
disableEditMode() {
this.#isInEditMode = false;
}
isInEditMode() {
return this.#isInEditMode;
}
shouldGetKeyboardEvents() {
return this.#isResizerEnabledForKeyboard;
}
needsToBeRebuilt() {
return this.div && !this.isAttachedToDOM;
}
rebuild() {
this.div?.addEventListener("focusin", this.#boundFocusin);
this.div?.addEventListener("focusout", this.#boundFocusout);
}
rotate(_angle) {}
serialize(isForCopying = false, context = null) {
unreachable("An editor must be serializable");
}
static deserialize(data, parent, uiManager) {
const editor = new this.prototype.constructor({
parent,
id: parent.getNextId(),
uiManager
});
editor.rotation = data.rotation;
const [pageWidth, pageHeight] = editor.pageDimensions;
const [x, y, width, height] = editor.getRectInCurrentCoords(data.rect, pageHeight);
editor.x = x / pageWidth;
editor.y = y / pageHeight;
editor.width = width / pageWidth;
editor.height = height / pageHeight;
return editor;
}
get hasBeenModified() {
return !!this.annotationElementId && (this.deleted || this.serialize() !== null);
}
remove() {
this.div.removeEventListener("focusin", this.#boundFocusin);
this.div.removeEventListener("focusout", this.#boundFocusout);
if (!this.isEmpty()) {
this.commit();
}
if (this.parent) {
this.parent.remove(this);
} else {
this._uiManager.removeEditor(this);
}
if (this.#moveInDOMTimeout) {
clearTimeout(this.#moveInDOMTimeout);
this.#moveInDOMTimeout = null;
}
this.#stopResizing();
this.removeEditToolbar();
if (this.#telemetryTimeouts) {
for (const timeout of this.#telemetryTimeouts.values()) {
clearTimeout(timeout);
}
this.#telemetryTimeouts = null;
}
this.parent = null;
}
get isResizable() {
return false;
}
makeResizable() {
if (this.isResizable) {
this.#createResizers();
this.#resizersDiv.classList.remove("hidden");
bindEvents(this, this.div, ["keydown"]);
}
}
get toolbarPosition() {
return null;
}
keydown(event) {
if (!this.isResizable || event.target !== this.div || event.key !== "Enter") {
return;
}
this._uiManager.setSelected(this);
this.#savedDimensions = {
savedX: this.x,
savedY: this.y,
savedWidth: this.width,
savedHeight: this.height
};
const children = this.#resizersDiv.children;
if (!this.#allResizerDivs) {
this.#allResizerDivs = Array.from(children);
const boundResizerKeydown = this.#resizerKeydown.bind(this);
const boundResizerBlur = this.#resizerBlur.bind(this);
for (const div of this.#allResizerDivs) {
const name = div.getAttribute("data-resizer-name");
div.setAttribute("role", "spinbutton");
div.addEventListener("keydown", boundResizerKeydown);
div.addEventListener("blur", boundResizerBlur);
div.addEventListener("focus", this.#resizerFocus.bind(this, name));
AnnotationEditor._l10nPromise.get(`pdfjs-editor-resizer-label-${name}`).then(msg => div.setAttribute("aria-label", msg));
}
}
const first = this.#allResizerDivs[0];
let firstPosition = 0;
for (const div of children) {
if (div === first) {
break;
}
firstPosition++;
}
const nextFirstPosition = (360 - this.rotation + this.parentRotation) % 360 / 90 * (this.#allResizerDivs.length / 4);
if (nextFirstPosition !== firstPosition) {
if (nextFirstPosition < firstPosition) {
for (let i = 0; i < firstPosition - nextFirstPosition; i++) {
this.#resizersDiv.append(this.#resizersDiv.firstChild);
}
} else if (nextFirstPosition > firstPosition) {
for (let i = 0; i < nextFirstPosition - firstPosition; i++) {
this.#resizersDiv.firstChild.before(this.#resizersDiv.lastChild);
}
}
let i = 0;
for (const child of children) {
const div = this.#allResizerDivs[i++];
const name = div.getAttribute("data-resizer-name");
AnnotationEditor._l10nPromise.get(`pdfjs-editor-resizer-label-${name}`).then(msg => child.setAttribute("aria-label", msg));
}
}
this.#setResizerTabIndex(0);
this.#isResizerEnabledForKeyboard = true;
this.#resizersDiv.firstChild.focus({
focusVisible: true
});
event.preventDefault();
event.stopImmediatePropagation();
}
#resizerKeydown(event) {
AnnotationEditor._resizerKeyboardManager.exec(this, event);
}
#resizerBlur(event) {
if (this.#isResizerEnabledForKeyboard && event.relatedTarget?.parentNode !== this.#resizersDiv) {
this.#stopResizing();
}
}
#resizerFocus(name) {
this.#focusedResizerName = this.#isResizerEnabledForKeyboard ? name : "";
}
#setResizerTabIndex(value) {
if (!this.#allResizerDivs) {
return;
}
for (const div of this.#allResizerDivs) {
div.tabIndex = value;
}
}
_resizeWithKeyboard(x, y) {
if (!this.#isResizerEnabledForKeyboard) {
return;
}
this.#resizerPointermove(this.#focusedResizerName, {
movementX: x,
movementY: y
});
}
#stopResizing() {
this.#isResizerEnabledForKeyboard = false;
this.#setResizerTabIndex(-1);
if (this.#savedDimensions) {
const {
savedX,
savedY,
savedWidth,
savedHeight
} = this.#savedDimensions;
this.#addResizeToUndoStack(savedX, savedY, savedWidth, savedHeight);
this.#savedDimensions = null;
}
}
_stopResizingWithKeyboard() {
this.#stopResizing();
this.div.focus();
}
select() {
this.makeResizable();
this.div?.classList.add("selectedEditor");
if (!this.#editToolbar) {
this.addEditToolbar().then(() => {
if (this.div?.classList.contains("selectedEditor")) {
this.#editToolbar?.show();
}
});
return;
}
this.#editToolbar?.show();
}
unselect() {
this.#resizersDiv?.classList.add("hidden");
this.div?.classList.remove("selectedEditor");
if (this.div?.contains(document.activeElement)) {
this._uiManager.currentLayer.div.focus({
preventScroll: true
});
}
this.#editToolbar?.hide();
}
updateParams(type, value) {}
disableEditing() {}
enableEditing() {}
enterInEditMode() {}
getImageForAltText() {
return null;
}
get contentDiv() {
return this.div;
}
get isEditing() {
return this.#isEditing;
}
set isEditing(value) {
this.#isEditing = value;
if (!this.parent) {
return;
}
if (value) {
this.parent.setSelected(this);
this.parent.setActiveEditor(this);
} else {
this.parent.setActiveEditor(null);
}
}
setAspectRatio(width, height) {
this.#keepAspectRatio = true;
const aspectRatio = width / height;
const {
style
} = this.div;
style.aspectRatio = aspectRatio;
style.height = "auto";
}
static get MIN_SIZE() {
return 16;
}
static canCreateNewEmptyEditor() {
return true;
}
get telemetryInitialData() {
return {
action: "added"
};
}
get telemetryFinalData() {
return null;
}
_reportTelemetry(data, mustWait = false) {
if (mustWait) {
this.#telemetryTimeouts ||= new Map();
const {
action
} = data;
let timeout = this.#telemetryTimeouts.get(action);
if (timeout) {
clearTimeout(timeout);
}
timeout = setTimeout(() => {
this._reportTelemetry(data);
this.#telemetryTimeouts.delete(action);
if (this.#telemetryTimeouts.size === 0) {
this.#telemetryTimeouts = null;
}
}, AnnotationEditor._telemetryTimeout);
this.#telemetryTimeouts.set(action, timeout);
return;
}
data.type ||= this.editorType;
this._uiManager._eventBus.dispatch("reporttelemetry", {
source: this,
details: {
type: "editing",
data
}
});
}
show(visible = this._isVisible) {
this.div.classList.toggle("hidden", !visible);
this._isVisible = visible;
}
enable() {
if (this.div) {
this.div.tabIndex = 0;
}
this.#disabled = false;
}
disable() {
if (this.div) {
this.div.tabIndex = -1;
}
this.#disabled = true;
}
renderAnnotationElement(annotation) {
let content = annotation.container.querySelector(".annotationContent");
if (!content) {
content = document.createElement("div");
content.classList.add("annotationContent", this.editorType);
annotation.container.prepend(content);
} else if (content.nodeName === "CANVAS") {
const canvas = content;
content = document.createElement("div");
content.classList.add("annotationContent", this.editorType);
canvas.before(content);
}
return content;
}
resetAnnotationElement(annotation) {
const {
firstChild
} = annotation.container;
if (firstChild.nodeName === "DIV" && firstChild.classList.contains("annotationContent")) {
firstChild.remove();
}
}
}
class FakeEditor extends AnnotationEditor {
constructor(params) {
super(params);
this.annotationElementId = params.annotationElementId;
this.deleted = true;
}
serialize() {
return {
id: this.annotationElementId,
deleted: true,
pageIndex: this.pageIndex
};
}
}
;// CONCATENATED MODULE: ./src/shared/murmurhash3.js
const SEED = 0xc3d2e1f0;
const MASK_HIGH = 0xffff0000;
const MASK_LOW = 0xffff;
class MurmurHash3_64 {
constructor(seed) {
this.h1 = seed ? seed & 0xffffffff : SEED;
this.h2 = seed ? seed & 0xffffffff : SEED;
}
update(input) {
let data, length;
if (typeof input === "string") {
data = new Uint8Array(input.length * 2);
length = 0;
for (let i = 0, ii = input.length; i < ii; i++) {
const code = input.charCodeAt(i);
if (code <= 0xff) {
data[length++] = code;
} else {
data[length++] = code >>> 8;
data[length++] = code & 0xff;
}
}
} else if (ArrayBuffer.isView(input)) {
data = input.slice();
length = data.byteLength;
} else {
throw new Error("Invalid data format, must be a string or TypedArray.");
}
const blockCounts = length >> 2;
const tailLength = length - blockCounts * 4;
const dataUint32 = new Uint32Array(data.buffer, 0, blockCounts);
let k1 = 0,
k2 = 0;
let h1 = this.h1,
h2 = this.h2;
const C1 = 0xcc9e2d51,
C2 = 0x1b873593;
const C1_LOW = C1 & MASK_LOW,
C2_LOW = C2 & MASK_LOW;
for (let i = 0; i < blockCounts; i++) {
if (i & 1) {
k1 = dataUint32[i];
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
k1 = k1 << 15 | k1 >>> 17;
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
h1 ^= k1;
h1 = h1 << 13 | h1 >>> 19;
h1 = h1 * 5 + 0xe6546b64;
} else {
k2 = dataUint32[i];
k2 = k2 * C1 & MASK_HIGH | k2 * C1_LOW & MASK_LOW;
k2 = k2 << 15 | k2 >>> 17;
k2 = k2 * C2 & MASK_HIGH | k2 * C2_LOW & MASK_LOW;
h2 ^= k2;
h2 = h2 << 13 | h2 >>> 19;
h2 = h2 * 5 + 0xe6546b64;
}
}
k1 = 0;
switch (tailLength) {
case 3:
k1 ^= data[blockCounts * 4 + 2] << 16;
case 2:
k1 ^= data[blockCounts * 4 + 1] << 8;
case 1:
k1 ^= data[blockCounts * 4];
k1 = k1 * C1 & MASK_HIGH | k1 * C1_LOW & MASK_LOW;
k1 = k1 << 15 | k1 >>> 17;
k1 = k1 * C2 & MASK_HIGH | k1 * C2_LOW & MASK_LOW;
if (blockCounts & 1) {
h1 ^= k1;
} else {
h2 ^= k1;
}
}
this.h1 = h1;
this.h2 = h2;
}
hexdigest() {
let h1 = this.h1,
h2 = this.h2;
h1 ^= h2 >>> 1;
h1 = h1 * 0xed558ccd & MASK_HIGH | h1 * 0x8ccd & MASK_LOW;
h2 = h2 * 0xff51afd7 & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xafd7ed55 & MASK_HIGH) >>> 16;
h1 ^= h2 >>> 1;
h1 = h1 * 0x1a85ec53 & MASK_HIGH | h1 * 0xec53 & MASK_LOW;
h2 = h2 * 0xc4ceb9fe & MASK_HIGH | ((h2 << 16 | h1 >>> 16) * 0xb9fe1a85 & MASK_HIGH) >>> 16;
h1 ^= h2 >>> 1;
return (h1 >>> 0).toString(16).padStart(8, "0") + (h2 >>> 0).toString(16).padStart(8, "0");
}
}
;// CONCATENATED MODULE: ./src/display/annotation_storage.js
const SerializableEmpty = Object.freeze({
map: null,
hash: "",
transfer: undefined
});
class AnnotationStorage {
#modified = false;
#storage = new Map();
constructor() {
this.onSetModified = null;
this.onResetModified = null;
this.onAnnotationEditor = null;
}
getValue(key, defaultValue) {
const value = this.#storage.get(key);
if (value === undefined) {
return defaultValue;
}
return Object.assign(defaultValue, value);
}
getRawValue(key) {
return this.#storage.get(key);
}
remove(key) {
this.#storage.delete(key);
if (this.#storage.size === 0) {
this.resetModified();
}
if (typeof this.onAnnotationEditor === "function") {
for (const value of this.#storage.values()) {
if (value instanceof AnnotationEditor) {
return;
}
}
this.onAnnotationEditor(null);
}
}
setValue(key, value) {
const obj = this.#storage.get(key);
let modified = false;
if (obj !== undefined) {
for (const [entry, val] of Object.entries(value)) {
if (obj[entry] !== val) {
modified = true;
obj[entry] = val;
}
}
} else {
modified = true;
this.#storage.set(key, value);
}
if (modified) {
this.#setModified();
}
if (value instanceof AnnotationEditor && typeof this.onAnnotationEditor === "function") {
this.onAnnotationEditor(value.constructor._type);
}
}
has(key) {
return this.#storage.has(key);
}
getAll() {
return this.#storage.size > 0 ? objectFromMap(this.#storage) : null;
}
setAll(obj) {
for (const [key, val] of Object.entries(obj)) {
this.setValue(key, val);
}
}
get size() {
return this.#storage.size;
}
#setModified() {
if (!this.#modified) {
this.#modified = true;
if (typeof this.onSetModified === "function") {
this.onSetModified();
}
}
}
resetModified() {
if (this.#modified) {
this.#modified = false;
if (typeof this.onResetModified === "function") {
this.onResetModified();
}
}
}
get print() {
return new PrintAnnotationStorage(this);
}
get serializable() {
if (this.#storage.size === 0) {
return SerializableEmpty;
}
const map = new Map(),
hash = new MurmurHash3_64(),
transfer = [];
const context = Object.create(null);
let hasBitmap = false;
for (const [key, val] of this.#storage) {
const serialized = val instanceof AnnotationEditor ? val.serialize(false, context) : val;
if (serialized) {
map.set(key, serialized);
hash.update(`${key}:${JSON.stringify(serialized)}`);
hasBitmap ||= !!serialized.bitmap;
}
}
if (hasBitmap) {
for (const value of map.values()) {
if (value.bitmap) {
transfer.push(value.bitmap);
}
}
}
return map.size > 0 ? {
map,
hash: hash.hexdigest(),
transfer
} : SerializableEmpty;
}
get editorStats() {
let stats = null;
const typeToEditor = new Map();
for (const value of this.#storage.values()) {
if (!(value instanceof AnnotationEditor)) {
continue;
}
const editorStats = value.telemetryFinalData;
if (!editorStats) {
continue;
}
const {
type
} = editorStats;
if (!typeToEditor.has(type)) {
typeToEditor.set(type, Object.getPrototypeOf(value).constructor);
}
stats ||= Object.create(null);
const map = stats[type] ||= new Map();
for (const [key, val] of Object.entries(editorStats)) {
if (key === "type") {
continue;
}
let counters = map.get(key);
if (!counters) {
counters = new Map();
map.set(key, counters);
}
const count = counters.get(val) ?? 0;
counters.set(val, count + 1);
}
}
for (const [type, editor] of typeToEditor) {
stats[type] = editor.computeTelemetryFinalData(stats[type]);
}
return stats;
}
}
class PrintAnnotationStorage extends AnnotationStorage {
#serializable;
constructor(parent) {
super();
const {
map,
hash,
transfer
} = parent.serializable;
const clone = structuredClone(map, transfer ? {
transfer
} : null);
this.#serializable = {
map: clone,
hash,
transfer
};
}
get print() {
unreachable("Should not call PrintAnnotationStorage.print");
}
get serializable() {
return this.#serializable;
}
}
;// CONCATENATED MODULE: ./src/display/font_loader.js
class FontLoader {
#systemFonts = new Set();
constructor({
ownerDocument = globalThis.document,
styleElement = null
}) {
this._document = ownerDocument;
this.nativeFontFaces = new Set();
this.styleElement = null;
this.loadingRequests = [];
this.loadTestFontId = 0;
}
addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.add(nativeFontFace);
this._document.fonts.add(nativeFontFace);
}
removeNativeFontFace(nativeFontFace) {
this.nativeFontFaces.delete(nativeFontFace);
this._document.fonts.delete(nativeFontFace);
}
insertRule(rule) {
if (!this.styleElement) {
this.styleElement = this._document.createElement("style");
this._document.documentElement.getElementsByTagName("head")[0].append(this.styleElement);
}
const styleSheet = this.styleElement.sheet;
styleSheet.insertRule(rule, styleSheet.cssRules.length);
}
clear() {
for (const nativeFontFace of this.nativeFontFaces) {
this._document.fonts.delete(nativeFontFace);
}
this.nativeFontFaces.clear();
this.#systemFonts.clear();
if (this.styleElement) {
this.styleElement.remove();
this.styleElement = null;
}
}
async loadSystemFont({
systemFontInfo: info,
_inspectFont
}) {
if (!info || this.#systemFonts.has(info.loadedName)) {
return;
}
assert(!this.disableFontFace, "loadSystemFont shouldn't be called when `disableFontFace` is set.");
if (this.isFontLoadingAPISupported) {
const {
loadedName,
src,
style
} = info;
const fontFace = new FontFace(loadedName, src, style);
this.addNativeFontFace(fontFace);
try {
await fontFace.load();
this.#systemFonts.add(loadedName);
_inspectFont?.(info);
} catch {
warn(`Cannot load system font: ${info.baseFontName}, installing it could help to improve PDF rendering.`);
this.removeNativeFontFace(fontFace);
}
return;
}
unreachable("Not implemented: loadSystemFont without the Font Loading API.");
}
async bind(font) {
if (font.attached || font.missingFile && !font.systemFontInfo) {
return;
}
font.attached = true;
if (font.systemFontInfo) {
await this.loadSystemFont(font);
return;
}
if (this.isFontLoadingAPISupported) {
const nativeFontFace = font.createNativeFontFace();
if (nativeFontFace) {
this.addNativeFontFace(nativeFontFace);
try {
await nativeFontFace.loaded;
} catch (ex) {
warn(`Failed to load font '${nativeFontFace.family}': '${ex}'.`);
font.disableFontFace = true;
throw ex;
}
}
return;
}
const rule = font.createFontFaceRule();
if (rule) {
this.insertRule(rule);
if (this.isSyncFontLoadingSupported) {
return;
}
await new Promise(resolve => {
const request = this._queueLoadingCallback(resolve);
this._prepareFontLoadEvent(font, request);
});
}
}
get isFontLoadingAPISupported() {
const hasFonts = !!this._document?.fonts;
return shadow(this, "isFontLoadingAPISupported", hasFonts);
}
get isSyncFontLoadingSupported() {
let supported = false;
if (isNodeJS) {
supported = true;
} else if (typeof navigator !== "undefined" && typeof navigator?.userAgent === "string" && /Mozilla\/5.0.*?rv:\d+.*? Gecko/.test(navigator.userAgent)) {
supported = true;
}
return shadow(this, "isSyncFontLoadingSupported", supported);
}
_queueLoadingCallback(callback) {
function completeRequest() {
assert(!request.done, "completeRequest() cannot be called twice.");
request.done = true;
while (loadingRequests.length > 0 && loadingRequests[0].done) {
const otherRequest = loadingRequests.shift();
setTimeout(otherRequest.callback, 0);
}
}
const {
loadingRequests
} = this;
const request = {
done: false,
complete: completeRequest,
callback
};
loadingRequests.push(request);
return request;
}
get _loadTestFont() {
const testFont = atob("T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA" + "FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA" + "ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA" + "AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1" + "AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD" + "6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM" + "AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D" + "IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA" + "AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA" + "AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB" + "AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY" + "AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA" + "AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA" + "AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC" + "AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3" + "Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj" + "FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==");
return shadow(this, "_loadTestFont", testFont);
}
_prepareFontLoadEvent(font, request) {
function int32(data, offset) {
return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
}
function spliceString(s, offset, remove, insert) {
const chunk1 = s.substring(0, offset);
const chunk2 = s.substring(offset + remove);
return chunk1 + insert + chunk2;
}
let i, ii;
const canvas = this._document.createElement("canvas");
canvas.width = 1;
canvas.height = 1;
const ctx = canvas.getContext("2d");
let called = 0;
function isFontReady(name, callback) {
if (++called > 30) {
warn("Load test font never loaded.");
callback();
return;
}
ctx.font = "30px " + name;
ctx.fillText(".", 0, 20);
const imageData = ctx.getImageData(0, 0, 1, 1);
if (imageData.data[3] > 0) {
callback();
return;
}
setTimeout(isFontReady.bind(null, name, callback));
}
const loadTestFontId = `lt${Date.now()}${this.loadTestFontId++}`;
let data = this._loadTestFont;
const COMMENT_OFFSET = 976;
data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
const CFF_CHECKSUM_OFFSET = 16;
const XXXX_VALUE = 0x58585858;
let checksum = int32(data, CFF_CHECKSUM_OFFSET);
for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
}
if (i < loadTestFontId.length) {
checksum = checksum - XXXX_VALUE + int32(loadTestFontId + "XXX", i) | 0;
}
data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, string32(checksum));
const url = `url(data:font/opentype;base64,${btoa(data)});`;
const rule = `@font-face {font-family:"${loadTestFontId}";src:${url}}`;
this.insertRule(rule);
const div = this._document.createElement("div");
div.style.visibility = "hidden";
div.style.width = div.style.height = "10px";
div.style.position = "absolute";
div.style.top = div.style.left = "0px";
for (const name of [font.loadedName, loadTestFontId]) {
const span = this._document.createElement("span");
span.textContent = "Hi";
span.style.fontFamily = name;
div.append(span);
}
this._document.body.append(div);
isFontReady(loadTestFontId, () => {
div.remove();
request.complete();
});
}
}
class FontFaceObject {
constructor(translatedData, {
disableFontFace = false,
inspectFont = null
}) {
this.compiledGlyphs = Object.create(null);
for (const i in translatedData) {
this[i] = translatedData[i];
}
this.disableFontFace = disableFontFace === true;
this._inspectFont = inspectFont;
}
createNativeFontFace() {
if (!this.data || this.disableFontFace) {
return null;
}
let nativeFontFace;
if (!this.cssFontInfo) {
nativeFontFace = new FontFace(this.loadedName, this.data, {});
} else {
const css = {
weight: this.cssFontInfo.fontWeight
};
if (this.cssFontInfo.italicAngle) {
css.style = `oblique ${this.cssFontInfo.italicAngle}deg`;
}
nativeFontFace = new FontFace(this.cssFontInfo.fontFamily, this.data, css);
}
this._inspectFont?.(this);
return nativeFontFace;
}
createFontFaceRule() {
if (!this.data || this.disableFontFace) {
return null;
}
const data = bytesToString(this.data);
const url = `url(data:${this.mimetype};base64,${btoa(data)});`;
let rule;
if (!this.cssFontInfo) {
rule = `@font-face {font-family:"${this.loadedName}";src:${url}}`;
} else {
let css = `font-weight: ${this.cssFontInfo.fontWeight};`;
if (this.cssFontInfo.italicAngle) {
css += `font-style: oblique ${this.cssFontInfo.italicAngle}deg;`;
}
rule = `@font-face {font-family:"${this.cssFontInfo.fontFamily}";${css}src:${url}}`;
}
this._inspectFont?.(this, url);
return rule;
}
getPathGenerator(objs, character) {
if (this.compiledGlyphs[character] !== undefined) {
return this.compiledGlyphs[character];
}
let cmds;
try {
cmds = objs.get(this.loadedName + "_path_" + character);
} catch (ex) {
warn(`getPathGenerator - ignoring character: "${ex}".`);
}
if (!Array.isArray(cmds) || cmds.length === 0) {
return this.compiledGlyphs[character] = function (c, size) {};
}
const commands = [];
for (let i = 0, ii = cmds.length; i < ii;) {
switch (cmds[i++]) {
case FontRenderOps.BEZIER_CURVE_TO:
{
const [a, b, c, d, e, f] = cmds.slice(i, i + 6);
commands.push(ctx => ctx.bezierCurveTo(a, b, c, d, e, f));
i += 6;
}
break;
case FontRenderOps.MOVE_TO:
{
const [a, b] = cmds.slice(i, i + 2);
commands.push(ctx => ctx.moveTo(a, b));
i += 2;
}
break;
case FontRenderOps.LINE_TO:
{
const [a, b] = cmds.slice(i, i + 2);
commands.push(ctx => ctx.lineTo(a, b));
i += 2;
}
break;
case FontRenderOps.QUADRATIC_CURVE_TO:
{
const [a, b, c, d] = cmds.slice(i, i + 4);
commands.push(ctx => ctx.quadraticCurveTo(a, b, c, d));
i += 4;
}
break;
case FontRenderOps.RESTORE:
commands.push(ctx => ctx.restore());
break;
case FontRenderOps.SAVE:
commands.push(ctx => ctx.save());
break;
case FontRenderOps.SCALE:
assert(commands.length === 2, "Scale command is only valid at the third position.");
break;
case FontRenderOps.TRANSFORM:
{
const [a, b, c, d, e, f] = cmds.slice(i, i + 6);
commands.push(ctx => ctx.transform(a, b, c, d, e, f));
i += 6;
}
break;
case FontRenderOps.TRANSLATE:
{
const [a, b] = cmds.slice(i, i + 2);
commands.push(ctx => ctx.translate(a, b));
i += 2;
}
break;
}
}
return this.compiledGlyphs[character] = function glyphDrawer(ctx, size) {
commands[0](ctx);
commands[1](ctx);
ctx.scale(size, -size);
for (let i = 2, ii = commands.length; i < ii; i++) {
commands[i](ctx);
}
};
}
}
;// CONCATENATED MODULE: ./src/display/node_utils.js
if (isNodeJS) {
var packageCapability = Promise.withResolvers();
var packageMap = null;
const loadPackages = async () => {
const fs = await import( /*webpackIgnore: true*/"fs"),
http = await import( /*webpackIgnore: true*/"http"),
https = await import( /*webpackIgnore: true*/"https"),
url = await import( /*webpackIgnore: true*/"url");
let canvas, path2d;
return new Map(Object.entries({
fs,
http,
https,
url,
canvas,
path2d
}));
};
loadPackages().then(map => {
packageMap = map;
packageCapability.resolve();
}, reason => {
warn(`loadPackages: ${reason}`);
packageMap = new Map();
packageCapability.resolve();
});
}
class NodePackages {
static get promise() {
return packageCapability.promise;
}
static get(name) {
return packageMap?.get(name);
}
}
const node_utils_fetchData = function (url) {
const fs = NodePackages.get("fs");
return fs.promises.readFile(url).then(data => new Uint8Array(data));
};
class NodeFilterFactory extends BaseFilterFactory {}
class NodeCanvasFactory extends BaseCanvasFactory {
_createCanvas(width, height) {
const canvas = NodePackages.get("canvas");
return canvas.createCanvas(width, height);
}
}
class NodeCMapReaderFactory extends BaseCMapReaderFactory {
_fetchData(url, compressionType) {
return node_utils_fetchData(url).then(data => ({
cMapData: data,
compressionType
}));
}
}
class NodeStandardFontDataFactory extends BaseStandardFontDataFactory {
_fetchData(url) {
return node_utils_fetchData(url);
}
}
;// CONCATENATED MODULE: ./src/display/pattern_helper.js
const PathType = {
FILL: "Fill",
STROKE: "Stroke",
SHADING: "Shading"
};
function applyBoundingBox(ctx, bbox) {
if (!bbox) {
return;
}
const width = bbox[2] - bbox[0];
const height = bbox[3] - bbox[1];
const region = new Path2D();
region.rect(bbox[0], bbox[1], width, height);
ctx.clip(region);
}
class BaseShadingPattern {
constructor() {
if (this.constructor === BaseShadingPattern) {
unreachable("Cannot initialize BaseShadingPattern.");
}
}
getPattern() {
unreachable("Abstract method `getPattern` called.");
}
}
class RadialAxialShadingPattern extends BaseShadingPattern {
constructor(IR) {
super();
this._type = IR[1];
this._bbox = IR[2];
this._colorStops = IR[3];
this._p0 = IR[4];
this._p1 = IR[5];
this._r0 = IR[6];
this._r1 = IR[7];
this.matrix = null;
}
_createGradient(ctx) {
let grad;
if (this._type === "axial") {
grad = ctx.createLinearGradient(this._p0[0], this._p0[1], this._p1[0], this._p1[1]);
} else if (this._type === "radial") {
grad = ctx.createRadialGradient(this._p0[0], this._p0[1], this._r0, this._p1[0], this._p1[1], this._r1);
}
for (const colorStop of this._colorStops) {
grad.addColorStop(colorStop[0], colorStop[1]);
}
return grad;
}
getPattern(ctx, owner, inverse, pathType) {
let pattern;
if (pathType === PathType.STROKE || pathType === PathType.FILL) {
const ownerBBox = owner.current.getClippedPathBoundingBox(pathType, getCurrentTransform(ctx)) || [0, 0, 0, 0];
const width = Math.ceil(ownerBBox[2] - ownerBBox[0]) || 1;
const height = Math.ceil(ownerBBox[3] - ownerBBox[1]) || 1;
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", width, height, true);
const tmpCtx = tmpCanvas.context;
tmpCtx.clearRect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
tmpCtx.beginPath();
tmpCtx.rect(0, 0, tmpCtx.canvas.width, tmpCtx.canvas.height);
tmpCtx.translate(-ownerBBox[0], -ownerBBox[1]);
inverse = Util.transform(inverse, [1, 0, 0, 1, ownerBBox[0], ownerBBox[1]]);
tmpCtx.transform(...owner.baseTransform);
if (this.matrix) {
tmpCtx.transform(...this.matrix);
}
applyBoundingBox(tmpCtx, this._bbox);
tmpCtx.fillStyle = this._createGradient(tmpCtx);
tmpCtx.fill();
pattern = ctx.createPattern(tmpCanvas.canvas, "no-repeat");
const domMatrix = new DOMMatrix(inverse);
pattern.setTransform(domMatrix);
} else {
applyBoundingBox(ctx, this._bbox);
pattern = this._createGradient(ctx);
}
return pattern;
}
}
function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
const coords = context.coords,
colors = context.colors;
const bytes = data.data,
rowSize = data.width * 4;
let tmp;
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
if (coords[p2 + 1] > coords[p3 + 1]) {
tmp = p2;
p2 = p3;
p3 = tmp;
tmp = c2;
c2 = c3;
c3 = tmp;
}
if (coords[p1 + 1] > coords[p2 + 1]) {
tmp = p1;
p1 = p2;
p2 = tmp;
tmp = c1;
c1 = c2;
c2 = tmp;
}
const x1 = (coords[p1] + context.offsetX) * context.scaleX;
const y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
const x2 = (coords[p2] + context.offsetX) * context.scaleX;
const y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
const x3 = (coords[p3] + context.offsetX) * context.scaleX;
const y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
if (y1 >= y3) {
return;
}
const c1r = colors[c1],
c1g = colors[c1 + 1],
c1b = colors[c1 + 2];
const c2r = colors[c2],
c2g = colors[c2 + 1],
c2b = colors[c2 + 2];
const c3r = colors[c3],
c3g = colors[c3 + 1],
c3b = colors[c3 + 2];
const minY = Math.round(y1),
maxY = Math.round(y3);
let xa, car, cag, cab;
let xb, cbr, cbg, cbb;
for (let y = minY; y <= maxY; y++) {
if (y < y2) {
const k = y < y1 ? 0 : (y1 - y) / (y1 - y2);
xa = x1 - (x1 - x2) * k;
car = c1r - (c1r - c2r) * k;
cag = c1g - (c1g - c2g) * k;
cab = c1b - (c1b - c2b) * k;
} else {
let k;
if (y > y3) {
k = 1;
} else if (y2 === y3) {
k = 0;
} else {
k = (y2 - y) / (y2 - y3);
}
xa = x2 - (x2 - x3) * k;
car = c2r - (c2r - c3r) * k;
cag = c2g - (c2g - c3g) * k;
cab = c2b - (c2b - c3b) * k;
}
let k;
if (y < y1) {
k = 0;
} else if (y > y3) {
k = 1;
} else {
k = (y1 - y) / (y1 - y3);
}
xb = x1 - (x1 - x3) * k;
cbr = c1r - (c1r - c3r) * k;
cbg = c1g - (c1g - c3g) * k;
cbb = c1b - (c1b - c3b) * k;
const x1_ = Math.round(Math.min(xa, xb));
const x2_ = Math.round(Math.max(xa, xb));
let j = rowSize * y + x1_ * 4;
for (let x = x1_; x <= x2_; x++) {
k = (xa - x) / (xa - xb);
if (k < 0) {
k = 0;
} else if (k > 1) {
k = 1;
}
bytes[j++] = car - (car - cbr) * k | 0;
bytes[j++] = cag - (cag - cbg) * k | 0;
bytes[j++] = cab - (cab - cbb) * k | 0;
bytes[j++] = 255;
}
}
}
function drawFigure(data, figure, context) {
const ps = figure.coords;
const cs = figure.colors;
let i, ii;
switch (figure.type) {
case "lattice":
const verticesPerRow = figure.verticesPerRow;
const rows = Math.floor(ps.length / verticesPerRow) - 1;
const cols = verticesPerRow - 1;
for (i = 0; i < rows; i++) {
let q = i * verticesPerRow;
for (let j = 0; j < cols; j++, q++) {
drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
}
}
break;
case "triangles":
for (i = 0, ii = ps.length; i < ii; i += 3) {
drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
}
break;
default:
throw new Error("illegal figure");
}
}
class MeshShadingPattern extends BaseShadingPattern {
constructor(IR) {
super();
this._coords = IR[2];
this._colors = IR[3];
this._figures = IR[4];
this._bounds = IR[5];
this._bbox = IR[7];
this._background = IR[8];
this.matrix = null;
}
_createMeshCanvas(combinedScale, backgroundColor, cachedCanvases) {
const EXPECTED_SCALE = 1.1;
const MAX_PATTERN_SIZE = 3000;
const BORDER_SIZE = 2;
const offsetX = Math.floor(this._bounds[0]);
const offsetY = Math.floor(this._bounds[1]);
const boundsWidth = Math.ceil(this._bounds[2]) - offsetX;
const boundsHeight = Math.ceil(this._bounds[3]) - offsetY;
const width = Math.min(Math.ceil(Math.abs(boundsWidth * combinedScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
const height = Math.min(Math.ceil(Math.abs(boundsHeight * combinedScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
const scaleX = boundsWidth / width;
const scaleY = boundsHeight / height;
const context = {
coords: this._coords,
colors: this._colors,
offsetX: -offsetX,
offsetY: -offsetY,
scaleX: 1 / scaleX,
scaleY: 1 / scaleY
};
const paddedWidth = width + BORDER_SIZE * 2;
const paddedHeight = height + BORDER_SIZE * 2;
const tmpCanvas = cachedCanvases.getCanvas("mesh", paddedWidth, paddedHeight, false);
const tmpCtx = tmpCanvas.context;
const data = tmpCtx.createImageData(width, height);
if (backgroundColor) {
const bytes = data.data;
for (let i = 0, ii = bytes.length; i < ii; i += 4) {
bytes[i] = backgroundColor[0];
bytes[i + 1] = backgroundColor[1];
bytes[i + 2] = backgroundColor[2];
bytes[i + 3] = 255;
}
}
for (const figure of this._figures) {
drawFigure(data, figure, context);
}
tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
const canvas = tmpCanvas.canvas;
return {
canvas,
offsetX: offsetX - BORDER_SIZE * scaleX,
offsetY: offsetY - BORDER_SIZE * scaleY,
scaleX,
scaleY
};
}
getPattern(ctx, owner, inverse, pathType) {
applyBoundingBox(ctx, this._bbox);
let scale;
if (pathType === PathType.SHADING) {
scale = Util.singularValueDecompose2dScale(getCurrentTransform(ctx));
} else {
scale = Util.singularValueDecompose2dScale(owner.baseTransform);
if (this.matrix) {
const matrixScale = Util.singularValueDecompose2dScale(this.matrix);
scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
}
}
const temporaryPatternCanvas = this._createMeshCanvas(scale, pathType === PathType.SHADING ? null : this._background, owner.cachedCanvases);
if (pathType !== PathType.SHADING) {
ctx.setTransform(...owner.baseTransform);
if (this.matrix) {
ctx.transform(...this.matrix);
}
}
ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
return ctx.createPattern(temporaryPatternCanvas.canvas, "no-repeat");
}
}
class DummyShadingPattern extends BaseShadingPattern {
getPattern() {
return "hotpink";
}
}
function getShadingPattern(IR) {
switch (IR[0]) {
case "RadialAxial":
return new RadialAxialShadingPattern(IR);
case "Mesh":
return new MeshShadingPattern(IR);
case "Dummy":
return new DummyShadingPattern();
}
throw new Error(`Unknown IR type: ${IR[0]}`);
}
const PaintType = {
COLORED: 1,
UNCOLORED: 2
};
class TilingPattern {
static MAX_PATTERN_SIZE = 3000;
constructor(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
this.operatorList = IR[2];
this.matrix = IR[3];
this.bbox = IR[4];
this.xstep = IR[5];
this.ystep = IR[6];
this.paintType = IR[7];
this.tilingType = IR[8];
this.color = color;
this.ctx = ctx;
this.canvasGraphicsFactory = canvasGraphicsFactory;
this.baseTransform = baseTransform;
}
createPatternCanvas(owner) {
const operatorList = this.operatorList;
const bbox = this.bbox;
const xstep = this.xstep;
const ystep = this.ystep;
const paintType = this.paintType;
const tilingType = this.tilingType;
const color = this.color;
const canvasGraphicsFactory = this.canvasGraphicsFactory;
info("TilingType: " + tilingType);
const x0 = bbox[0],
y0 = bbox[1],
x1 = bbox[2],
y1 = bbox[3];
const matrixScale = Util.singularValueDecompose2dScale(this.matrix);
const curMatrixScale = Util.singularValueDecompose2dScale(this.baseTransform);
const combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
const dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
const dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
const tmpCanvas = owner.cachedCanvases.getCanvas("pattern", dimx.size, dimy.size, true);
const tmpCtx = tmpCanvas.context;
const graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
graphics.groupLevel = owner.groupLevel;
this.setFillAndStrokeStyleToContext(graphics, paintType, color);
let adjustedX0 = x0;
let adjustedY0 = y0;
let adjustedX1 = x1;
let adjustedY1 = y1;
if (x0 < 0) {
adjustedX0 = 0;
adjustedX1 += Math.abs(x0);
}
if (y0 < 0) {
adjustedY0 = 0;
adjustedY1 += Math.abs(y0);
}
tmpCtx.translate(-(dimx.scale * adjustedX0), -(dimy.scale * adjustedY0));
graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
tmpCtx.save();
this.clipBbox(graphics, adjustedX0, adjustedY0, adjustedX1, adjustedY1);
graphics.baseTransform = getCurrentTransform(graphics.ctx);
graphics.executeOperatorList(operatorList);
graphics.endDrawing();
return {
canvas: tmpCanvas.canvas,
scaleX: dimx.scale,
scaleY: dimy.scale,
offsetX: adjustedX0,
offsetY: adjustedY0
};
}
getSizeAndScale(step, realOutputSize, scale) {
step = Math.abs(step);
const maxSize = Math.max(TilingPattern.MAX_PATTERN_SIZE, realOutputSize);
let size = Math.ceil(step * scale);
if (size >= maxSize) {
size = maxSize;
} else {
scale = size / step;
}
return {
scale,
size
};
}
clipBbox(graphics, x0, y0, x1, y1) {
const bboxWidth = x1 - x0;
const bboxHeight = y1 - y0;
graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
graphics.current.updateRectMinMax(getCurrentTransform(graphics.ctx), [x0, y0, x1, y1]);
graphics.clip();
graphics.endPath();
}
setFillAndStrokeStyleToContext(graphics, paintType, color) {
const context = graphics.ctx,
current = graphics.current;
switch (paintType) {
case PaintType.COLORED:
const ctx = this.ctx;
context.fillStyle = ctx.fillStyle;
context.strokeStyle = ctx.strokeStyle;
current.fillColor = ctx.fillStyle;
current.strokeColor = ctx.strokeStyle;
break;
case PaintType.UNCOLORED:
const cssColor = Util.makeHexColor(color[0], color[1], color[2]);
context.fillStyle = cssColor;
context.strokeStyle = cssColor;
current.fillColor = cssColor;
current.strokeColor = cssColor;
break;
default:
throw new FormatError(`Unsupported paint type: ${paintType}`);
}
}
getPattern(ctx, owner, inverse, pathType) {
let matrix = inverse;
if (pathType !== PathType.SHADING) {
matrix = Util.transform(matrix, owner.baseTransform);
if (this.matrix) {
matrix = Util.transform(matrix, this.matrix);
}
}
const temporaryPatternCanvas = this.createPatternCanvas(owner);
let domMatrix = new DOMMatrix(matrix);
domMatrix = domMatrix.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
domMatrix = domMatrix.scale(1 / temporaryPatternCanvas.scaleX, 1 / temporaryPatternCanvas.scaleY);
const pattern = ctx.createPattern(temporaryPatternCanvas.canvas, "repeat");
pattern.setTransform(domMatrix);
return pattern;
}
}
;// CONCATENATED MODULE: ./src/shared/image_utils.js
function convertToRGBA(params) {
switch (params.kind) {
case ImageKind.GRAYSCALE_1BPP:
return convertBlackAndWhiteToRGBA(params);
case ImageKind.RGB_24BPP:
return convertRGBToRGBA(params);
}
return null;
}
function convertBlackAndWhiteToRGBA({
src,
srcPos = 0,
dest,
width,
height,
nonBlackColor = 0xffffffff,
inverseDecode = false
}) {
const black = util_FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
const [zeroMapping, oneMapping] = inverseDecode ? [nonBlackColor, black] : [black, nonBlackColor];
const widthInSource = width >> 3;
const widthRemainder = width & 7;
const srcLength = src.length;
dest = new Uint32Array(dest.buffer);
let destPos = 0;
for (let i = 0; i < height; i++) {
for (const max = srcPos + widthInSource; srcPos < max; srcPos++) {
const elem = srcPos < srcLength ? src[srcPos] : 255;
dest[destPos++] = elem & 0b10000000 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b1000000 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b100000 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b10000 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b1000 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b100 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b10 ? oneMapping : zeroMapping;
dest[destPos++] = elem & 0b1 ? oneMapping : zeroMapping;
}
if (widthRemainder === 0) {
continue;
}
const elem = srcPos < srcLength ? src[srcPos++] : 255;
for (let j = 0; j < widthRemainder; j++) {
dest[destPos++] = elem & 1 << 7 - j ? oneMapping : zeroMapping;
}
}
return {
srcPos,
destPos
};
}
function convertRGBToRGBA({
src,
srcPos = 0,
dest,
destPos = 0,
width,
height
}) {
let i = 0;
const len32 = src.length >> 2;
const src32 = new Uint32Array(src.buffer, srcPos, len32);
if (FeatureTest.isLittleEndian) {
for (; i < len32 - 2; i += 3, destPos += 4) {
const s1 = src32[i];
const s2 = src32[i + 1];
const s3 = src32[i + 2];
dest[destPos] = s1 | 0xff000000;
dest[destPos + 1] = s1 >>> 24 | s2 << 8 | 0xff000000;
dest[destPos + 2] = s2 >>> 16 | s3 << 16 | 0xff000000;
dest[destPos + 3] = s3 >>> 8 | 0xff000000;
}
for (let j = i * 4, jj = src.length; j < jj; j += 3) {
dest[destPos++] = src[j] | src[j + 1] << 8 | src[j + 2] << 16 | 0xff000000;
}
} else {
for (; i < len32 - 2; i += 3, destPos += 4) {
const s1 = src32[i];
const s2 = src32[i + 1];
const s3 = src32[i + 2];
dest[destPos] = s1 | 0xff;
dest[destPos + 1] = s1 << 24 | s2 >>> 8 | 0xff;
dest[destPos + 2] = s2 << 16 | s3 >>> 16 | 0xff;
dest[destPos + 3] = s3 << 8 | 0xff;
}
for (let j = i * 4, jj = src.length; j < jj; j += 3) {
dest[destPos++] = src[j] << 24 | src[j + 1] << 16 | src[j + 2] << 8 | 0xff;
}
}
return {
srcPos,
destPos
};
}
function grayToRGBA(src, dest) {
if (FeatureTest.isLittleEndian) {
for (let i = 0, ii = src.length; i < ii; i++) {
dest[i] = src[i] * 0x10101 | 0xff000000;
}
} else {
for (let i = 0, ii = src.length; i < ii; i++) {
dest[i] = src[i] * 0x1010100 | 0x000000ff;
}
}
}
;// CONCATENATED MODULE: ./src/display/canvas.js
const MIN_FONT_SIZE = 16;
const MAX_FONT_SIZE = 100;
const EXECUTION_TIME = 15;
const EXECUTION_STEPS = 10;
const MAX_SIZE_TO_COMPILE = 1000;
const FULL_CHUNK_HEIGHT = 16;
function mirrorContextOperations(ctx, destCtx) {
if (ctx._removeMirroring) {
throw new Error("Context is already forwarding operations.");
}
ctx.__originalSave = ctx.save;
ctx.__originalRestore = ctx.restore;
ctx.__originalRotate = ctx.rotate;
ctx.__originalScale = ctx.scale;
ctx.__originalTranslate = ctx.translate;
ctx.__originalTransform = ctx.transform;
ctx.__originalSetTransform = ctx.setTransform;
ctx.__originalResetTransform = ctx.resetTransform;
ctx.__originalClip = ctx.clip;
ctx.__originalMoveTo = ctx.moveTo;
ctx.__originalLineTo = ctx.lineTo;
ctx.__originalBezierCurveTo = ctx.bezierCurveTo;
ctx.__originalRect = ctx.rect;
ctx.__originalClosePath = ctx.closePath;
ctx.__originalBeginPath = ctx.beginPath;
ctx._removeMirroring = () => {
ctx.save = ctx.__originalSave;
ctx.restore = ctx.__originalRestore;
ctx.rotate = ctx.__originalRotate;
ctx.scale = ctx.__originalScale;
ctx.translate = ctx.__originalTranslate;
ctx.transform = ctx.__originalTransform;
ctx.setTransform = ctx.__originalSetTransform;
ctx.resetTransform = ctx.__originalResetTransform;
ctx.clip = ctx.__originalClip;
ctx.moveTo = ctx.__originalMoveTo;
ctx.lineTo = ctx.__originalLineTo;
ctx.bezierCurveTo = ctx.__originalBezierCurveTo;
ctx.rect = ctx.__originalRect;
ctx.closePath = ctx.__originalClosePath;
ctx.beginPath = ctx.__originalBeginPath;
delete ctx._removeMirroring;
};
ctx.save = function ctxSave() {
destCtx.save();
this.__originalSave();
};
ctx.restore = function ctxRestore() {
destCtx.restore();
this.__originalRestore();
};
ctx.translate = function ctxTranslate(x, y) {
destCtx.translate(x, y);
this.__originalTranslate(x, y);
};
ctx.scale = function ctxScale(x, y) {
destCtx.scale(x, y);
this.__originalScale(x, y);
};
ctx.transform = function ctxTransform(a, b, c, d, e, f) {
destCtx.transform(a, b, c, d, e, f);
this.__originalTransform(a, b, c, d, e, f);
};
ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
destCtx.setTransform(a, b, c, d, e, f);
this.__originalSetTransform(a, b, c, d, e, f);
};
ctx.resetTransform = function ctxResetTransform() {
destCtx.resetTransform();
this.__originalResetTransform();
};
ctx.rotate = function ctxRotate(angle) {
destCtx.rotate(angle);
this.__originalRotate(angle);
};
ctx.clip = function ctxRotate(rule) {
destCtx.clip(rule);
this.__originalClip(rule);
};
ctx.moveTo = function (x, y) {
destCtx.moveTo(x, y);
this.__originalMoveTo(x, y);
};
ctx.lineTo = function (x, y) {
destCtx.lineTo(x, y);
this.__originalLineTo(x, y);
};
ctx.bezierCurveTo = function (cp1x, cp1y, cp2x, cp2y, x, y) {
destCtx.bezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
this.__originalBezierCurveTo(cp1x, cp1y, cp2x, cp2y, x, y);
};
ctx.rect = function (x, y, width, height) {
destCtx.rect(x, y, width, height);
this.__originalRect(x, y, width, height);
};
ctx.closePath = function () {
destCtx.closePath();
this.__originalClosePath();
};
ctx.beginPath = function () {
destCtx.beginPath();
this.__originalBeginPath();
};
}
class CachedCanvases {
constructor(canvasFactory) {
this.canvasFactory = canvasFactory;
this.cache = Object.create(null);
}
getCanvas(id, width, height) {
let canvasEntry;
if (this.cache[id] !== undefined) {
canvasEntry = this.cache[id];
this.canvasFactory.reset(canvasEntry, width, height);
} else {
canvasEntry = this.canvasFactory.create(width, height);
this.cache[id] = canvasEntry;
}
return canvasEntry;
}
delete(id) {
delete this.cache[id];
}
clear() {
for (const id in this.cache) {
const canvasEntry = this.cache[id];
this.canvasFactory.destroy(canvasEntry);
delete this.cache[id];
}
}
}
function drawImageAtIntegerCoords(ctx, srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH) {
const [a, b, c, d, tx, ty] = getCurrentTransform(ctx);
if (b === 0 && c === 0) {
const tlX = destX * a + tx;
const rTlX = Math.round(tlX);
const tlY = destY * d + ty;
const rTlY = Math.round(tlY);
const brX = (destX + destW) * a + tx;
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
const brY = (destY + destH) * d + ty;
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
ctx.setTransform(Math.sign(a), 0, 0, Math.sign(d), rTlX, rTlY);
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rWidth, rHeight);
ctx.setTransform(a, b, c, d, tx, ty);
return [rWidth, rHeight];
}
if (a === 0 && d === 0) {
const tlX = destY * c + tx;
const rTlX = Math.round(tlX);
const tlY = destX * b + ty;
const rTlY = Math.round(tlY);
const brX = (destY + destH) * c + tx;
const rWidth = Math.abs(Math.round(brX) - rTlX) || 1;
const brY = (destX + destW) * b + ty;
const rHeight = Math.abs(Math.round(brY) - rTlY) || 1;
ctx.setTransform(0, Math.sign(b), Math.sign(c), 0, rTlX, rTlY);
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, 0, 0, rHeight, rWidth);
ctx.setTransform(a, b, c, d, tx, ty);
return [rHeight, rWidth];
}
ctx.drawImage(srcImg, srcX, srcY, srcW, srcH, destX, destY, destW, destH);
const scaleX = Math.hypot(a, b);
const scaleY = Math.hypot(c, d);
return [scaleX * destW, scaleY * destH];
}
function compileType3Glyph(imgData) {
const {
width,
height
} = imgData;
if (width > MAX_SIZE_TO_COMPILE || height > MAX_SIZE_TO_COMPILE) {
return null;
}
const POINT_TO_PROCESS_LIMIT = 1000;
const POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
const width1 = width + 1;
let points = new Uint8Array(width1 * (height + 1));
let i, j, j0;
const lineSize = width + 7 & ~7;
let data = new Uint8Array(lineSize * height),
pos = 0;
for (const elem of imgData.data) {
let mask = 128;
while (mask > 0) {
data[pos++] = elem & mask ? 0 : 255;
mask >>= 1;
}
}
let count = 0;
pos = 0;
if (data[pos] !== 0) {
points[0] = 1;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j] = data[pos] ? 2 : 1;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j] = 2;
++count;
}
for (i = 1; i < height; i++) {
pos = i * lineSize;
j0 = i * width1;
if (data[pos - lineSize] !== data[pos]) {
points[j0] = data[pos] ? 1 : 8;
++count;
}
let sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
for (j = 1; j < width; j++) {
sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
if (POINT_TYPES[sum]) {
points[j0 + j] = POINT_TYPES[sum];
++count;
}
pos++;
}
if (data[pos - lineSize] !== data[pos]) {
points[j0 + j] = data[pos] ? 2 : 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
}
pos = lineSize * (height - 1);
j0 = i * width1;
if (data[pos] !== 0) {
points[j0] = 8;
++count;
}
for (j = 1; j < width; j++) {
if (data[pos] !== data[pos + 1]) {
points[j0 + j] = data[pos] ? 4 : 8;
++count;
}
pos++;
}
if (data[pos] !== 0) {
points[j0 + j] = 4;
++count;
}
if (count > POINT_TO_PROCESS_LIMIT) {
return null;
}
const steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
const path = new Path2D();
for (i = 0; count && i <= height; i++) {
let p = i * width1;
const end = p + width;
while (p < end && !points[p]) {
p++;
}
if (p === end) {
continue;
}
path.moveTo(p % width1, i);
const p0 = p;
let type = points[p];
do {
const step = steps[type];
do {
p += step;
} while (!points[p]);
const pp = points[p];
if (pp !== 5 && pp !== 10) {
type = pp;
points[p] = 0;
} else {
type = pp & 0x33 * type >> 4;
points[p] &= type >> 2 | type << 2;
}
path.lineTo(p % width1, p / width1 | 0);
if (!points[p]) {
--count;
}
} while (p0 !== p);
--i;
}
data = null;
points = null;
const drawOutline = function (c) {
c.save();
c.scale(1 / width, -1 / height);
c.translate(0, -height);
c.fill(path);
c.beginPath();
c.restore();
};
return drawOutline;
}
class CanvasExtraState {
constructor(width, height) {
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.transferMaps = "none";
this.startNewPathAndClipBox([0, 0, width, height]);
}
clone() {
const clone = Object.create(this);
clone.clipBox = this.clipBox.slice();
return clone;
}
setCurrentPoint(x, y) {
this.x = x;
this.y = y;
}
updatePathMinMax(transform, x, y) {
[x, y] = Util.applyTransform([x, y], transform);
this.minX = Math.min(this.minX, x);
this.minY = Math.min(this.minY, y);
this.maxX = Math.max(this.maxX, x);
this.maxY = Math.max(this.maxY, y);
}
updateRectMinMax(transform, rect) {
const p1 = Util.applyTransform(rect, transform);
const p2 = Util.applyTransform(rect.slice(2), transform);
const p3 = Util.applyTransform([rect[0], rect[3]], transform);
const p4 = Util.applyTransform([rect[2], rect[1]], transform);
this.minX = Math.min(this.minX, p1[0], p2[0], p3[0], p4[0]);
this.minY = Math.min(this.minY, p1[1], p2[1], p3[1], p4[1]);
this.maxX = Math.max(this.maxX, p1[0], p2[0], p3[0], p4[0]);
this.maxY = Math.max(this.maxY, p1[1], p2[1], p3[1], p4[1]);
}
updateScalingPathMinMax(transform, minMax) {
Util.scaleMinMax(transform, minMax);
this.minX = Math.min(this.minX, minMax[0]);
this.minY = Math.min(this.minY, minMax[1]);
this.maxX = Math.max(this.maxX, minMax[2]);
this.maxY = Math.max(this.maxY, minMax[3]);
}
updateCurvePathMinMax(transform, x0, y0, x1, y1, x2, y2, x3, y3, minMax) {
const box = Util.bezierBoundingBox(x0, y0, x1, y1, x2, y2, x3, y3, minMax);
if (minMax) {
return;
}
this.updateRectMinMax(transform, box);
}
getPathBoundingBox(pathType = PathType.FILL, transform = null) {
const box = [this.minX, this.minY, this.maxX, this.maxY];
if (pathType === PathType.STROKE) {
if (!transform) {
unreachable("Stroke bounding box must include transform.");
}
const scale = Util.singularValueDecompose2dScale(transform);
const xStrokePad = scale[0] * this.lineWidth / 2;
const yStrokePad = scale[1] * this.lineWidth / 2;
box[0] -= xStrokePad;
box[1] -= yStrokePad;
box[2] += xStrokePad;
box[3] += yStrokePad;
}
return box;
}
updateClipFromPath() {
const intersect = Util.intersect(this.clipBox, this.getPathBoundingBox());
this.startNewPathAndClipBox(intersect || [0, 0, 0, 0]);
}
isEmptyClip() {
return this.minX === Infinity;
}
startNewPathAndClipBox(box) {
this.clipBox = box;
this.minX = Infinity;
this.minY = Infinity;
this.maxX = 0;
this.maxY = 0;
}
getClippedPathBoundingBox(pathType = PathType.FILL, transform = null) {
return Util.intersect(this.clipBox, this.getPathBoundingBox(pathType, transform));
}
}
function putBinaryImageData(ctx, imgData) {
if (typeof ImageData !== "undefined" && imgData instanceof ImageData) {
ctx.putImageData(imgData, 0, 0);
return;
}
const height = imgData.height,
width = imgData.width;
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
let srcPos = 0,
destPos;
const src = imgData.data;
const dest = chunkImgData.data;
let i, j, thisChunkHeight, elemsInThisChunk;
if (imgData.kind === util_ImageKind.GRAYSCALE_1BPP) {
const srcLength = src.byteLength;
const dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
const dest32DataLength = dest32.length;
const fullSrcDiff = width + 7 >> 3;
const white = 0xffffffff;
const black = util_FeatureTest.isLittleEndian ? 0xff000000 : 0x000000ff;
for (i = 0; i < totalChunks; i++) {
thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
destPos = 0;
for (j = 0; j < thisChunkHeight; j++) {
const srcDiff = srcLength - srcPos;
let k = 0;
const kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
const kEndUnrolled = kEnd & ~7;
let mask = 0;
let srcByte = 0;
for (; k < kEndUnrolled; k += 8) {
srcByte = src[srcPos++];
dest32[destPos++] = srcByte & 128 ? white : black;
dest32[destPos++] = srcByte & 64 ? white : black;
dest32[destPos++] = srcByte & 32 ? white : black;
dest32[destPos++] = srcByte & 16 ? white : black;
dest32[destPos++] = srcByte & 8 ? white : black;
dest32[destPos++] = srcByte & 4 ? white : black;
dest32[destPos++] = srcByte & 2 ? white : black;
dest32[destPos++] = srcByte & 1 ? white : black;
}
for (; k < kEnd; k++) {
if (mask === 0) {
srcByte = src[srcPos++];
mask = 128;
}
dest32[destPos++] = srcByte & mask ? white : black;
mask >>= 1;
}
}
while (destPos < dest32DataLength) {
dest32[destPos++] = 0;
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else if (imgData.kind === util_ImageKind.RGBA_32BPP) {
j = 0;
elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
for (i = 0; i < fullChunks; i++) {
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
srcPos += elemsInThisChunk;
ctx.putImageData(chunkImgData, 0, j);
j += FULL_CHUNK_HEIGHT;
}
if (i < totalChunks) {
elemsInThisChunk = width * partialChunkHeight * 4;
dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
ctx.putImageData(chunkImgData, 0, j);
}
} else if (imgData.kind === util_ImageKind.RGB_24BPP) {
thisChunkHeight = FULL_CHUNK_HEIGHT;
elemsInThisChunk = width * thisChunkHeight;
for (i = 0; i < totalChunks; i++) {
if (i >= fullChunks) {
thisChunkHeight = partialChunkHeight;
elemsInThisChunk = width * thisChunkHeight;
}
destPos = 0;
for (j = elemsInThisChunk; j--;) {
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = src[srcPos++];
dest[destPos++] = 255;
}
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
} else {
throw new Error(`bad image kind: ${imgData.kind}`);
}
}
function putBinaryImageMask(ctx, imgData) {
if (imgData.bitmap) {
ctx.drawImage(imgData.bitmap, 0, 0);
return;
}
const height = imgData.height,
width = imgData.width;
const partialChunkHeight = height % FULL_CHUNK_HEIGHT;
const fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
const totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
const chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
let srcPos = 0;
const src = imgData.data;
const dest = chunkImgData.data;
for (let i = 0; i < totalChunks; i++) {
const thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
({
srcPos
} = convertBlackAndWhiteToRGBA({
src,
srcPos,
dest,
width,
height: thisChunkHeight,
nonBlackColor: 0
}));
ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
}
}
function copyCtxState(sourceCtx, destCtx) {
const properties = ["strokeStyle", "fillStyle", "fillRule", "globalAlpha", "lineWidth", "lineCap", "lineJoin", "miterLimit", "globalCompositeOperation", "font", "filter"];
for (const property of properties) {
if (sourceCtx[property] !== undefined) {
destCtx[property] = sourceCtx[property];
}
}
if (sourceCtx.setLineDash !== undefined) {
destCtx.setLineDash(sourceCtx.getLineDash());
destCtx.lineDashOffset = sourceCtx.lineDashOffset;
}
}
function resetCtxToDefault(ctx) {
ctx.strokeStyle = ctx.fillStyle = "#000000";
ctx.fillRule = "nonzero";
ctx.globalAlpha = 1;
ctx.lineWidth = 1;
ctx.lineCap = "butt";
ctx.lineJoin = "miter";
ctx.miterLimit = 10;
ctx.globalCompositeOperation = "source-over";
ctx.font = "10px sans-serif";
if (ctx.setLineDash !== undefined) {
ctx.setLineDash([]);
ctx.lineDashOffset = 0;
}
if (!isNodeJS) {
const {
filter
} = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
}
}
function getImageSmoothingEnabled(transform, interpolate) {
if (interpolate) {
return true;
}
const scale = Util.singularValueDecompose2dScale(transform);
scale[0] = Math.fround(scale[0]);
scale[1] = Math.fround(scale[1]);
const actualScale = Math.fround((globalThis.devicePixelRatio || 1) * PixelsPerInch.PDF_TO_CSS_UNITS);
return scale[0] <= actualScale && scale[1] <= actualScale;
}
const LINE_CAP_STYLES = ["butt", "round", "square"];
const LINE_JOIN_STYLES = ["miter", "round", "bevel"];
const NORMAL_CLIP = {};
const EO_CLIP = {};
class CanvasGraphics {
constructor(canvasCtx, commonObjs, objs, canvasFactory, filterFactory, {
optionalContentConfig,
markedContentStack = null
}, annotationCanvasMap, pageColors) {
this.ctx = canvasCtx;
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
this.stateStack = [];
this.pendingClip = null;
this.pendingEOFill = false;
this.res = null;
this.xobjs = null;
this.commonObjs = commonObjs;
this.objs = objs;
this.canvasFactory = canvasFactory;
this.filterFactory = filterFactory;
this.groupStack = [];
this.processingType3 = null;
this.baseTransform = null;
this.baseTransformStack = [];
this.groupLevel = 0;
this.smaskStack = [];
this.smaskCounter = 0;
this.tempSMask = null;
this.suspendedCtx = null;
this.contentVisible = true;
this.markedContentStack = markedContentStack || [];
this.optionalContentConfig = optionalContentConfig;
this.cachedCanvases = new CachedCanvases(this.canvasFactory);
this.cachedPatterns = new Map();
this.annotationCanvasMap = annotationCanvasMap;
this.viewportScale = 1;
this.outputScaleX = 1;
this.outputScaleY = 1;
this.pageColors = pageColors;
this._cachedScaleForStroking = [-1, 0];
this._cachedGetSinglePixelWidth = null;
this._cachedBitmapsMap = new Map();
}
getObject(data, fallback = null) {
if (typeof data === "string") {
return data.startsWith("g_") ? this.commonObjs.get(data) : this.objs.get(data);
}
return fallback;
}
beginDrawing({
transform,
viewport,
transparency = false,
background = null
}) {
const width = this.ctx.canvas.width;
const height = this.ctx.canvas.height;
const savedFillStyle = this.ctx.fillStyle;
this.ctx.fillStyle = background || "#ffffff";
this.ctx.fillRect(0, 0, width, height);
this.ctx.fillStyle = savedFillStyle;
if (transparency) {
const transparentCanvas = this.cachedCanvases.getCanvas("transparent", width, height);
this.compositeCtx = this.ctx;
this.transparentCanvas = transparentCanvas.canvas;
this.ctx = transparentCanvas.context;
this.ctx.save();
this.ctx.transform(...getCurrentTransform(this.compositeCtx));
}
this.ctx.save();
resetCtxToDefault(this.ctx);
if (transform) {
this.ctx.transform(...transform);
this.outputScaleX = transform[0];
this.outputScaleY = transform[0];
}
this.ctx.transform(...viewport.transform);
this.viewportScale = viewport.scale;
this.baseTransform = getCurrentTransform(this.ctx);
}
executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
const argsArray = operatorList.argsArray;
const fnArray = operatorList.fnArray;
let i = executionStartIdx || 0;
const argsArrayLen = argsArray.length;
if (argsArrayLen === i) {
return i;
}
const chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === "function";
const endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
let steps = 0;
const commonObjs = this.commonObjs;
const objs = this.objs;
let fnId;
while (true) {
if (stepper !== undefined && i === stepper.nextBreakPoint) {
stepper.breakIt(i, continueCallback);
return i;
}
fnId = fnArray[i];
if (fnId !== OPS.dependency) {
this[fnId].apply(this, argsArray[i]);
} else {
for (const depObjId of argsArray[i]) {
const objsPool = depObjId.startsWith("g_") ? commonObjs : objs;
if (!objsPool.has(depObjId)) {
objsPool.get(depObjId, continueCallback);
return i;
}
}
}
i++;
if (i === argsArrayLen) {
return i;
}
if (chunkOperations && ++steps > EXECUTION_STEPS) {
if (Date.now() > endTime) {
continueCallback();
return i;
}
steps = 0;
}
}
}
#restoreInitialState() {
while (this.stateStack.length || this.inSMaskMode) {
this.restore();
}
this.ctx.restore();
if (this.transparentCanvas) {
this.ctx = this.compositeCtx;
this.ctx.save();
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.drawImage(this.transparentCanvas, 0, 0);
this.ctx.restore();
this.transparentCanvas = null;
}
}
endDrawing() {
this.#restoreInitialState();
this.cachedCanvases.clear();
this.cachedPatterns.clear();
for (const cache of this._cachedBitmapsMap.values()) {
for (const canvas of cache.values()) {
if (typeof HTMLCanvasElement !== "undefined" && canvas instanceof HTMLCanvasElement) {
canvas.width = canvas.height = 0;
}
}
cache.clear();
}
this._cachedBitmapsMap.clear();
this.#drawFilter();
}
#drawFilter() {
if (this.pageColors) {
const hcmFilterId = this.filterFactory.addHCMFilter(this.pageColors.foreground, this.pageColors.background);
if (hcmFilterId !== "none") {
const savedFilter = this.ctx.filter;
this.ctx.filter = hcmFilterId;
this.ctx.drawImage(this.ctx.canvas, 0, 0);
this.ctx.filter = savedFilter;
}
}
}
_scaleImage(img, inverseTransform) {
const width = img.width;
const height = img.height;
let widthScale = Math.max(Math.hypot(inverseTransform[0], inverseTransform[1]), 1);
let heightScale = Math.max(Math.hypot(inverseTransform[2], inverseTransform[3]), 1);
let paintWidth = width,
paintHeight = height;
let tmpCanvasId = "prescale1";
let tmpCanvas, tmpCtx;
while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
let newWidth = paintWidth,
newHeight = paintHeight;
if (widthScale > 2 && paintWidth > 1) {
newWidth = paintWidth >= 16384 ? Math.floor(paintWidth / 2) - 1 || 1 : Math.ceil(paintWidth / 2);
widthScale /= paintWidth / newWidth;
}
if (heightScale > 2 && paintHeight > 1) {
newHeight = paintHeight >= 16384 ? Math.floor(paintHeight / 2) - 1 || 1 : Math.ceil(paintHeight) / 2;
heightScale /= paintHeight / newHeight;
}
tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
tmpCtx = tmpCanvas.context;
tmpCtx.clearRect(0, 0, newWidth, newHeight);
tmpCtx.drawImage(img, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
img = tmpCanvas.canvas;
paintWidth = newWidth;
paintHeight = newHeight;
tmpCanvasId = tmpCanvasId === "prescale1" ? "prescale2" : "prescale1";
}
return {
img,
paintWidth,
paintHeight
};
}
_createMaskCanvas(img) {
const ctx = this.ctx;
const {
width,
height
} = img;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
const currentTransform = getCurrentTransform(ctx);
let cache, cacheKey, scaled, maskCanvas;
if ((img.bitmap || img.data) && img.count > 1) {
const mainKey = img.bitmap || img.data.buffer;
cacheKey = JSON.stringify(isPatternFill ? currentTransform : [currentTransform.slice(0, 4), fillColor]);
cache = this._cachedBitmapsMap.get(mainKey);
if (!cache) {
cache = new Map();
this._cachedBitmapsMap.set(mainKey, cache);
}
const cachedImage = cache.get(cacheKey);
if (cachedImage && !isPatternFill) {
const offsetX = Math.round(Math.min(currentTransform[0], currentTransform[2]) + currentTransform[4]);
const offsetY = Math.round(Math.min(currentTransform[1], currentTransform[3]) + currentTransform[5]);
return {
canvas: cachedImage,
offsetX,
offsetY
};
}
scaled = cachedImage;
}
if (!scaled) {
maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
putBinaryImageMask(maskCanvas.context, img);
}
let maskToCanvas = Util.transform(currentTransform, [1 / width, 0, 0, -1 / height, 0, 0]);
maskToCanvas = Util.transform(maskToCanvas, [1, 0, 0, 1, 0, -height]);
const [minX, minY, maxX, maxY] = Util.getAxialAlignedBoundingBox([0, 0, width, height], maskToCanvas);
const drawnWidth = Math.round(maxX - minX) || 1;
const drawnHeight = Math.round(maxY - minY) || 1;
const fillCanvas = this.cachedCanvases.getCanvas("fillCanvas", drawnWidth, drawnHeight);
const fillCtx = fillCanvas.context;
const offsetX = minX;
const offsetY = minY;
fillCtx.translate(-offsetX, -offsetY);
fillCtx.transform(...maskToCanvas);
if (!scaled) {
scaled = this._scaleImage(maskCanvas.canvas, getCurrentTransformInverse(fillCtx));
scaled = scaled.img;
if (cache && isPatternFill) {
cache.set(cacheKey, scaled);
}
}
fillCtx.imageSmoothingEnabled = getImageSmoothingEnabled(getCurrentTransform(fillCtx), img.interpolate);
drawImageAtIntegerCoords(fillCtx, scaled, 0, 0, scaled.width, scaled.height, 0, 0, width, height);
fillCtx.globalCompositeOperation = "source-in";
const inverse = Util.transform(getCurrentTransformInverse(fillCtx), [1, 0, 0, 1, -offsetX, -offsetY]);
fillCtx.fillStyle = isPatternFill ? fillColor.getPattern(ctx, this, inverse, PathType.FILL) : fillColor;
fillCtx.fillRect(0, 0, width, height);
if (cache && !isPatternFill) {
this.cachedCanvases.delete("fillCanvas");
cache.set(cacheKey, fillCanvas.canvas);
}
return {
canvas: fillCanvas.canvas,
offsetX: Math.round(offsetX),
offsetY: Math.round(offsetY)
};
}
setLineWidth(width) {
if (width !== this.current.lineWidth) {
this._cachedScaleForStroking[0] = -1;
}
this.current.lineWidth = width;
this.ctx.lineWidth = width;
}
setLineCap(style) {
this.ctx.lineCap = LINE_CAP_STYLES[style];
}
setLineJoin(style) {
this.ctx.lineJoin = LINE_JOIN_STYLES[style];
}
setMiterLimit(limit) {
this.ctx.miterLimit = limit;
}
setDash(dashArray, dashPhase) {
const ctx = this.ctx;
if (ctx.setLineDash !== undefined) {
ctx.setLineDash(dashArray);
ctx.lineDashOffset = dashPhase;
}
}
setRenderingIntent(intent) {}
setFlatness(flatness) {}
setGState(states) {
for (const [key, value] of states) {
switch (key) {
case "LW":
this.setLineWidth(value);
break;
case "LC":
this.setLineCap(value);
break;
case "LJ":
this.setLineJoin(value);
break;
case "ML":
this.setMiterLimit(value);
break;
case "D":
this.setDash(value[0], value[1]);
break;
case "RI":
this.setRenderingIntent(value);
break;
case "FL":
this.setFlatness(value);
break;
case "Font":
this.setFont(value[0], value[1]);
break;
case "CA":
this.current.strokeAlpha = value;
break;
case "ca":
this.current.fillAlpha = value;
this.ctx.globalAlpha = value;
break;
case "BM":
this.ctx.globalCompositeOperation = value;
break;
case "SMask":
this.current.activeSMask = value ? this.tempSMask : null;
this.tempSMask = null;
this.checkSMaskState();
break;
case "TR":
this.ctx.filter = this.current.transferMaps = this.filterFactory.addFilter(value);
break;
}
}
}
get inSMaskMode() {
return !!this.suspendedCtx;
}
checkSMaskState() {
const inSMaskMode = this.inSMaskMode;
if (this.current.activeSMask && !inSMaskMode) {
this.beginSMaskMode();
} else if (!this.current.activeSMask && inSMaskMode) {
this.endSMaskMode();
}
}
beginSMaskMode() {
if (this.inSMaskMode) {
throw new Error("beginSMaskMode called while already in smask mode");
}
const drawnWidth = this.ctx.canvas.width;
const drawnHeight = this.ctx.canvas.height;
const cacheId = "smaskGroupAt" + this.groupLevel;
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
this.suspendedCtx = this.ctx;
this.ctx = scratchCanvas.context;
const ctx = this.ctx;
ctx.setTransform(...getCurrentTransform(this.suspendedCtx));
copyCtxState(this.suspendedCtx, ctx);
mirrorContextOperations(ctx, this.suspendedCtx);
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
}
endSMaskMode() {
if (!this.inSMaskMode) {
throw new Error("endSMaskMode called while not in smask mode");
}
this.ctx._removeMirroring();
copyCtxState(this.ctx, this.suspendedCtx);
this.ctx = this.suspendedCtx;
this.suspendedCtx = null;
}
compose(dirtyBox) {
if (!this.current.activeSMask) {
return;
}
if (!dirtyBox) {
dirtyBox = [0, 0, this.ctx.canvas.width, this.ctx.canvas.height];
} else {
dirtyBox[0] = Math.floor(dirtyBox[0]);
dirtyBox[1] = Math.floor(dirtyBox[1]);
dirtyBox[2] = Math.ceil(dirtyBox[2]);
dirtyBox[3] = Math.ceil(dirtyBox[3]);
}
const smask = this.current.activeSMask;
const suspendedCtx = this.suspendedCtx;
this.composeSMask(suspendedCtx, smask, this.ctx, dirtyBox);
this.ctx.save();
this.ctx.setTransform(1, 0, 0, 1, 0, 0);
this.ctx.clearRect(0, 0, this.ctx.canvas.width, this.ctx.canvas.height);
this.ctx.restore();
}
composeSMask(ctx, smask, layerCtx, layerBox) {
const layerOffsetX = layerBox[0];
const layerOffsetY = layerBox[1];
const layerWidth = layerBox[2] - layerOffsetX;
const layerHeight = layerBox[3] - layerOffsetY;
if (layerWidth === 0 || layerHeight === 0) {
return;
}
this.genericComposeSMask(smask.context, layerCtx, layerWidth, layerHeight, smask.subtype, smask.backdrop, smask.transferMap, layerOffsetX, layerOffsetY, smask.offsetX, smask.offsetY);
ctx.save();
ctx.globalAlpha = 1;
ctx.globalCompositeOperation = "source-over";
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.drawImage(layerCtx.canvas, 0, 0);
ctx.restore();
}
genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap, layerOffsetX, layerOffsetY, maskOffsetX, maskOffsetY) {
let maskCanvas = maskCtx.canvas;
let maskX = layerOffsetX - maskOffsetX;
let maskY = layerOffsetY - maskOffsetY;
if (backdrop) {
if (maskX < 0 || maskY < 0 || maskX + width > maskCanvas.width || maskY + height > maskCanvas.height) {
const canvas = this.cachedCanvases.getCanvas("maskExtension", width, height);
const ctx = canvas.context;
ctx.drawImage(maskCanvas, -maskX, -maskY);
if (backdrop.some(c => c !== 0)) {
ctx.globalCompositeOperation = "destination-atop";
ctx.fillStyle = Util.makeHexColor(...backdrop);
ctx.fillRect(0, 0, width, height);
ctx.globalCompositeOperation = "source-over";
}
maskCanvas = canvas.canvas;
maskX = maskY = 0;
} else if (backdrop.some(c => c !== 0)) {
maskCtx.save();
maskCtx.globalAlpha = 1;
maskCtx.setTransform(1, 0, 0, 1, 0, 0);
const clip = new Path2D();
clip.rect(maskX, maskY, width, height);
maskCtx.clip(clip);
maskCtx.globalCompositeOperation = "destination-atop";
maskCtx.fillStyle = Util.makeHexColor(...backdrop);
maskCtx.fillRect(maskX, maskY, width, height);
maskCtx.restore();
}
}
layerCtx.save();
layerCtx.globalAlpha = 1;
layerCtx.setTransform(1, 0, 0, 1, 0, 0);
if (subtype === "Alpha" && transferMap) {
layerCtx.filter = this.filterFactory.addAlphaFilter(transferMap);
} else if (subtype === "Luminosity") {
layerCtx.filter = this.filterFactory.addLuminosityFilter(transferMap);
}
const clip = new Path2D();
clip.rect(layerOffsetX, layerOffsetY, width, height);
layerCtx.clip(clip);
layerCtx.globalCompositeOperation = "destination-in";
layerCtx.drawImage(maskCanvas, maskX, maskY, width, height, layerOffsetX, layerOffsetY, width, height);
layerCtx.restore();
}
save() {
if (this.inSMaskMode) {
copyCtxState(this.ctx, this.suspendedCtx);
this.suspendedCtx.save();
} else {
this.ctx.save();
}
const old = this.current;
this.stateStack.push(old);
this.current = old.clone();
}
restore() {
if (this.stateStack.length === 0 && this.inSMaskMode) {
this.endSMaskMode();
}
if (this.stateStack.length !== 0) {
this.current = this.stateStack.pop();
if (this.inSMaskMode) {
this.suspendedCtx.restore();
copyCtxState(this.suspendedCtx, this.ctx);
} else {
this.ctx.restore();
}
this.checkSMaskState();
this.pendingClip = null;
this._cachedScaleForStroking[0] = -1;
this._cachedGetSinglePixelWidth = null;
}
}
transform(a, b, c, d, e, f) {
this.ctx.transform(a, b, c, d, e, f);
this._cachedScaleForStroking[0] = -1;
this._cachedGetSinglePixelWidth = null;
}
constructPath(ops, args, minMax) {
const ctx = this.ctx;
const current = this.current;
let x = current.x,
y = current.y;
let startX, startY;
const currentTransform = getCurrentTransform(ctx);
const isScalingMatrix = currentTransform[0] === 0 && currentTransform[3] === 0 || currentTransform[1] === 0 && currentTransform[2] === 0;
const minMaxForBezier = isScalingMatrix ? minMax.slice(0) : null;
for (let i = 0, j = 0, ii = ops.length; i < ii; i++) {
switch (ops[i] | 0) {
case OPS.rectangle:
x = args[j++];
y = args[j++];
const width = args[j++];
const height = args[j++];
const xw = x + width;
const yh = y + height;
ctx.moveTo(x, y);
if (width === 0 || height === 0) {
ctx.lineTo(xw, yh);
} else {
ctx.lineTo(xw, y);
ctx.lineTo(xw, yh);
ctx.lineTo(x, yh);
}
if (!isScalingMatrix) {
current.updateRectMinMax(currentTransform, [x, y, xw, yh]);
}
ctx.closePath();
break;
case OPS.moveTo:
x = args[j++];
y = args[j++];
ctx.moveTo(x, y);
if (!isScalingMatrix) {
current.updatePathMinMax(currentTransform, x, y);
}
break;
case OPS.lineTo:
x = args[j++];
y = args[j++];
ctx.lineTo(x, y);
if (!isScalingMatrix) {
current.updatePathMinMax(currentTransform, x, y);
}
break;
case OPS.curveTo:
startX = x;
startY = y;
x = args[j + 4];
y = args[j + 5];
ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], args[j + 2], args[j + 3], x, y, minMaxForBezier);
j += 6;
break;
case OPS.curveTo2:
startX = x;
startY = y;
ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
current.updateCurvePathMinMax(currentTransform, startX, startY, x, y, args[j], args[j + 1], args[j + 2], args[j + 3], minMaxForBezier);
x = args[j + 2];
y = args[j + 3];
j += 4;
break;
case OPS.curveTo3:
startX = x;
startY = y;
x = args[j + 2];
y = args[j + 3];
ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
current.updateCurvePathMinMax(currentTransform, startX, startY, args[j], args[j + 1], x, y, x, y, minMaxForBezier);
j += 4;
break;
case OPS.closePath:
ctx.closePath();
break;
}
}
if (isScalingMatrix) {
current.updateScalingPathMinMax(currentTransform, minMaxForBezier);
}
current.setCurrentPoint(x, y);
}
closePath() {
this.ctx.closePath();
}
stroke(consumePath = true) {
const ctx = this.ctx;
const strokeColor = this.current.strokeColor;
ctx.globalAlpha = this.current.strokeAlpha;
if (this.contentVisible) {
if (typeof strokeColor === "object" && strokeColor?.getPattern) {
ctx.save();
ctx.strokeStyle = strokeColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.STROKE);
this.rescaleAndStroke(false);
ctx.restore();
} else {
this.rescaleAndStroke(true);
}
}
if (consumePath) {
this.consumePath(this.current.getClippedPathBoundingBox());
}
ctx.globalAlpha = this.current.fillAlpha;
}
closeStroke() {
this.closePath();
this.stroke();
}
fill(consumePath = true) {
const ctx = this.ctx;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
let needRestore = false;
if (isPatternFill) {
ctx.save();
ctx.fillStyle = fillColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.FILL);
needRestore = true;
}
const intersect = this.current.getClippedPathBoundingBox();
if (this.contentVisible && intersect !== null) {
if (this.pendingEOFill) {
ctx.fill("evenodd");
this.pendingEOFill = false;
} else {
ctx.fill();
}
}
if (needRestore) {
ctx.restore();
}
if (consumePath) {
this.consumePath(intersect);
}
}
eoFill() {
this.pendingEOFill = true;
this.fill();
}
fillStroke() {
this.fill(false);
this.stroke(false);
this.consumePath();
}
eoFillStroke() {
this.pendingEOFill = true;
this.fillStroke();
}
closeFillStroke() {
this.closePath();
this.fillStroke();
}
closeEOFillStroke() {
this.pendingEOFill = true;
this.closePath();
this.fillStroke();
}
endPath() {
this.consumePath();
}
clip() {
this.pendingClip = NORMAL_CLIP;
}
eoClip() {
this.pendingClip = EO_CLIP;
}
beginText() {
this.current.textMatrix = IDENTITY_MATRIX;
this.current.textMatrixScale = 1;
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
}
endText() {
const paths = this.pendingTextPaths;
const ctx = this.ctx;
if (paths === undefined) {
ctx.beginPath();
return;
}
ctx.save();
ctx.beginPath();
for (const path of paths) {
ctx.setTransform(...path.transform);
ctx.translate(path.x, path.y);
path.addToPath(ctx, path.fontSize);
}
ctx.restore();
ctx.clip();
ctx.beginPath();
delete this.pendingTextPaths;
}
setCharSpacing(spacing) {
this.current.charSpacing = spacing;
}
setWordSpacing(spacing) {
this.current.wordSpacing = spacing;
}
setHScale(scale) {
this.current.textHScale = scale / 100;
}
setLeading(leading) {
this.current.leading = -leading;
}
setFont(fontRefName, size) {
const fontObj = this.commonObjs.get(fontRefName);
const current = this.current;
if (!fontObj) {
throw new Error(`Can't find font for ${fontRefName}`);
}
current.fontMatrix = fontObj.fontMatrix || FONT_IDENTITY_MATRIX;
if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
warn("Invalid font matrix for font " + fontRefName);
}
if (size < 0) {
size = -size;
current.fontDirection = -1;
} else {
current.fontDirection = 1;
}
this.current.font = fontObj;
this.current.fontSize = size;
if (fontObj.isType3Font) {
return;
}
const name = fontObj.loadedName || "sans-serif";
const typeface = fontObj.systemFontInfo?.css || `"${name}", ${fontObj.fallbackName}`;
let bold = "normal";
if (fontObj.black) {
bold = "900";
} else if (fontObj.bold) {
bold = "bold";
}
const italic = fontObj.italic ? "italic" : "normal";
let browserFontSize = size;
if (size < MIN_FONT_SIZE) {
browserFontSize = MIN_FONT_SIZE;
} else if (size > MAX_FONT_SIZE) {
browserFontSize = MAX_FONT_SIZE;
}
this.current.fontSizeScale = size / browserFontSize;
this.ctx.font = `${italic} ${bold} ${browserFontSize}px ${typeface}`;
}
setTextRenderingMode(mode) {
this.current.textRenderingMode = mode;
}
setTextRise(rise) {
this.current.textRise = rise;
}
moveText(x, y) {
this.current.x = this.current.lineX += x;
this.current.y = this.current.lineY += y;
}
setLeadingMoveText(x, y) {
this.setLeading(-y);
this.moveText(x, y);
}
setTextMatrix(a, b, c, d, e, f) {
this.current.textMatrix = [a, b, c, d, e, f];
this.current.textMatrixScale = Math.hypot(a, b);
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
}
nextLine() {
this.moveText(0, this.current.leading);
}
paintChar(character, x, y, patternTransform) {
const ctx = this.ctx;
const current = this.current;
const font = current.font;
const textRenderingMode = current.textRenderingMode;
const fontSize = current.fontSize / current.fontSizeScale;
const fillStrokeMode = textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
const isAddToPathSet = !!(textRenderingMode & TextRenderingMode.ADD_TO_PATH_FLAG);
const patternFill = current.patternFill && !font.missingFile;
let addToPath;
if (font.disableFontFace || isAddToPathSet || patternFill) {
addToPath = font.getPathGenerator(this.commonObjs, character);
}
if (font.disableFontFace || patternFill) {
ctx.save();
ctx.translate(x, y);
ctx.beginPath();
addToPath(ctx, fontSize);
if (patternTransform) {
ctx.setTransform(...patternTransform);
}
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) {
const paths = this.pendingTextPaths ||= [];
paths.push({
transform: getCurrentTransform(ctx),
x,
y,
fontSize,
addToPath
});
}
}
get isFontSubpixelAAEnabled() {
const {
context: ctx
} = this.cachedCanvases.getCanvas("isFontSubpixelAAEnabled", 10, 10);
ctx.scale(1.5, 1);
ctx.fillText("I", 0, 10);
const data = ctx.getImageData(0, 0, 10, 10).data;
let enabled = false;
for (let i = 3; i < data.length; i += 4) {
if (data[i] > 0 && data[i] < 255) {
enabled = true;
break;
}
}
return shadow(this, "isFontSubpixelAAEnabled", enabled);
}
showText(glyphs) {
const current = this.current;
const font = current.font;
if (font.isType3Font) {
return this.showType3Text(glyphs);
}
const fontSize = current.fontSize;
if (fontSize === 0) {
return undefined;
}
const ctx = this.ctx;
const fontSizeScale = current.fontSizeScale;
const charSpacing = current.charSpacing;
const wordSpacing = current.wordSpacing;
const fontDirection = current.fontDirection;
const textHScale = current.textHScale * fontDirection;
const glyphsLength = glyphs.length;
const vertical = font.vertical;
const spacingDir = vertical ? 1 : -1;
const defaultVMetrics = font.defaultVMetrics;
const widthAdvanceScale = fontSize * current.fontMatrix[0];
const simpleFillText = current.textRenderingMode === TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
ctx.save();
ctx.transform(...current.textMatrix);
ctx.translate(current.x, current.y + current.textRise);
if (fontDirection > 0) {
ctx.scale(textHScale, -1);
} else {
ctx.scale(textHScale, 1);
}
let patternTransform;
if (current.patternFill) {
ctx.save();
const pattern = current.fillColor.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.FILL);
patternTransform = getCurrentTransform(ctx);
ctx.restore();
ctx.fillStyle = pattern;
}
let lineWidth = current.lineWidth;
const scale = current.textMatrixScale;
if (scale === 0 || lineWidth === 0) {
const fillStrokeMode = current.textRenderingMode & TextRenderingMode.FILL_STROKE_MASK;
if (fillStrokeMode === TextRenderingMode.STROKE || fillStrokeMode === TextRenderingMode.FILL_STROKE) {
lineWidth = this.getSinglePixelWidth();
}
} else {
lineWidth /= scale;
}
if (fontSizeScale !== 1.0) {
ctx.scale(fontSizeScale, fontSizeScale);
lineWidth /= fontSizeScale;
}
ctx.lineWidth = lineWidth;
if (font.isInvalidPDFjsFont) {
const chars = [];
let width = 0;
for (const glyph of glyphs) {
chars.push(glyph.unicode);
width += glyph.width;
}
ctx.fillText(chars.join(""), 0, 0);
current.x += width * widthAdvanceScale * textHScale;
ctx.restore();
this.compose();
return undefined;
}
let x = 0,
i;
for (i = 0; i < glyphsLength; ++i) {
const glyph = glyphs[i];
if (typeof glyph === "number") {
x += spacingDir * glyph * fontSize / 1000;
continue;
}
let restoreNeeded = false;
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
const character = glyph.fontChar;
const accent = glyph.accent;
let scaledX, scaledY;
let width = glyph.width;
if (vertical) {
const vmetric = glyph.vmetric || defaultVMetrics;
const vx = -(glyph.vmetric ? vmetric[1] : width * 0.5) * widthAdvanceScale;
const vy = vmetric[2] * widthAdvanceScale;
width = vmetric ? -vmetric[0] : width;
scaledX = vx / fontSizeScale;
scaledY = (x + vy) / fontSizeScale;
} else {
scaledX = x / fontSizeScale;
scaledY = 0;
}
if (font.remeasure && width > 0) {
const measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
const characterScaleX = width / measuredWidth;
restoreNeeded = true;
ctx.save();
ctx.scale(characterScaleX, 1);
scaledX /= characterScaleX;
} else if (width !== measuredWidth) {
scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
}
}
if (this.contentVisible && (glyph.isInFont || font.missingFile)) {
if (simpleFillText && !accent) {
ctx.fillText(character, scaledX, scaledY);
} else {
this.paintChar(character, scaledX, scaledY, patternTransform);
if (accent) {
const scaledAccentX = scaledX + fontSize * accent.offset.x / fontSizeScale;
const scaledAccentY = scaledY - fontSize * accent.offset.y / fontSizeScale;
this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
}
}
}
const charWidth = vertical ? width * widthAdvanceScale - spacing * fontDirection : width * widthAdvanceScale + spacing * fontDirection;
x += charWidth;
if (restoreNeeded) {
ctx.restore();
}
}
if (vertical) {
current.y -= x;
} else {
current.x += x * textHScale;
}
ctx.restore();
this.compose();
return undefined;
}
showType3Text(glyphs) {
const ctx = this.ctx;
const current = this.current;
const font = current.font;
const fontSize = current.fontSize;
const fontDirection = current.fontDirection;
const spacingDir = font.vertical ? 1 : -1;
const charSpacing = current.charSpacing;
const wordSpacing = current.wordSpacing;
const textHScale = current.textHScale * fontDirection;
const fontMatrix = current.fontMatrix || FONT_IDENTITY_MATRIX;
const glyphsLength = glyphs.length;
const isTextInvisible = current.textRenderingMode === TextRenderingMode.INVISIBLE;
let i, glyph, width, spacingLength;
if (isTextInvisible || fontSize === 0) {
return;
}
this._cachedScaleForStroking[0] = -1;
this._cachedGetSinglePixelWidth = null;
ctx.save();
ctx.transform(...current.textMatrix);
ctx.translate(current.x, current.y);
ctx.scale(textHScale, fontDirection);
for (i = 0; i < glyphsLength; ++i) {
glyph = glyphs[i];
if (typeof glyph === "number") {
spacingLength = spacingDir * glyph * fontSize / 1000;
this.ctx.translate(spacingLength, 0);
current.x += spacingLength * textHScale;
continue;
}
const spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
const operatorList = font.charProcOperatorList[glyph.operatorListId];
if (!operatorList) {
warn(`Type3 character "${glyph.operatorListId}" is not available.`);
continue;
}
if (this.contentVisible) {
this.processingType3 = glyph;
this.save();
ctx.scale(fontSize, fontSize);
ctx.transform(...fontMatrix);
this.executeOperatorList(operatorList);
this.restore();
}
const 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(xWidth, yWidth) {}
setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
this.ctx.rect(llx, lly, urx - llx, ury - lly);
this.ctx.clip();
this.endPath();
}
getColorN_Pattern(IR) {
let pattern;
if (IR[0] === "TilingPattern") {
const color = IR[1];
const baseTransform = this.baseTransform || getCurrentTransform(this.ctx);
const canvasGraphicsFactory = {
createCanvasGraphics: ctx => new CanvasGraphics(ctx, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, {
optionalContentConfig: this.optionalContentConfig,
markedContentStack: this.markedContentStack
})
};
pattern = new TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
} else {
pattern = this._getPattern(IR[1], IR[2]);
}
return pattern;
}
setStrokeColorN() {
this.current.strokeColor = this.getColorN_Pattern(arguments);
}
setFillColorN() {
this.current.fillColor = this.getColorN_Pattern(arguments);
this.current.patternFill = true;
}
setStrokeRGBColor(r, g, b) {
const color = Util.makeHexColor(r, g, b);
this.ctx.strokeStyle = color;
this.current.strokeColor = color;
}
setFillRGBColor(r, g, b) {
const color = Util.makeHexColor(r, g, b);
this.ctx.fillStyle = color;
this.current.fillColor = color;
this.current.patternFill = false;
}
_getPattern(objId, matrix = null) {
let pattern;
if (this.cachedPatterns.has(objId)) {
pattern = this.cachedPatterns.get(objId);
} else {
pattern = getShadingPattern(this.getObject(objId));
this.cachedPatterns.set(objId, pattern);
}
if (matrix) {
pattern.matrix = matrix;
}
return pattern;
}
shadingFill(objId) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
this.save();
const pattern = this._getPattern(objId);
ctx.fillStyle = pattern.getPattern(ctx, this, getCurrentTransformInverse(ctx), PathType.SHADING);
const inv = getCurrentTransformInverse(ctx);
if (inv) {
const {
width,
height
} = ctx.canvas;
const [x0, y0, x1, y1] = Util.getAxialAlignedBoundingBox([0, 0, width, height], inv);
this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
} else {
this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
}
this.compose(this.current.getClippedPathBoundingBox());
this.restore();
}
beginInlineImage() {
unreachable("Should not call beginInlineImage");
}
beginImageData() {
unreachable("Should not call beginImageData");
}
paintFormXObjectBegin(matrix, bbox) {
if (!this.contentVisible) {
return;
}
this.save();
this.baseTransformStack.push(this.baseTransform);
if (matrix) {
this.transform(...matrix);
}
this.baseTransform = getCurrentTransform(this.ctx);
if (bbox) {
const width = bbox[2] - bbox[0];
const height = bbox[3] - bbox[1];
this.ctx.rect(bbox[0], bbox[1], width, height);
this.current.updateRectMinMax(getCurrentTransform(this.ctx), bbox);
this.clip();
this.endPath();
}
}
paintFormXObjectEnd() {
if (!this.contentVisible) {
return;
}
this.restore();
this.baseTransform = this.baseTransformStack.pop();
}
beginGroup(group) {
if (!this.contentVisible) {
return;
}
this.save();
if (this.inSMaskMode) {
this.endSMaskMode();
this.current.activeSMask = null;
}
const currentCtx = this.ctx;
if (!group.isolated) {
info("TODO: Support non-isolated groups.");
}
if (group.knockout) {
warn("Knockout groups not supported.");
}
const currentTransform = getCurrentTransform(currentCtx);
if (group.matrix) {
currentCtx.transform(...group.matrix);
}
if (!group.bbox) {
throw new Error("Bounding box is required.");
}
let bounds = Util.getAxialAlignedBoundingBox(group.bbox, getCurrentTransform(currentCtx));
const canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
bounds = Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
const offsetX = Math.floor(bounds[0]);
const offsetY = Math.floor(bounds[1]);
const drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
const drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
this.current.startNewPathAndClipBox([0, 0, drawnWidth, drawnHeight]);
let cacheId = "groupAt" + this.groupLevel;
if (group.smask) {
cacheId += "_smask_" + this.smaskCounter++ % 2;
}
const scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight);
const groupCtx = scratchCanvas.context;
groupCtx.translate(-offsetX, -offsetY);
groupCtx.transform(...currentTransform);
if (group.smask) {
this.smaskStack.push({
canvas: scratchCanvas.canvas,
context: groupCtx,
offsetX,
offsetY,
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.save();
}
copyCtxState(currentCtx, groupCtx);
this.ctx = groupCtx;
this.setGState([["BM", "source-over"], ["ca", 1], ["CA", 1]]);
this.groupStack.push(currentCtx);
this.groupLevel++;
}
endGroup(group) {
if (!this.contentVisible) {
return;
}
this.groupLevel--;
const groupCtx = this.ctx;
const ctx = this.groupStack.pop();
this.ctx = ctx;
this.ctx.imageSmoothingEnabled = false;
if (group.smask) {
this.tempSMask = this.smaskStack.pop();
this.restore();
} else {
this.ctx.restore();
const currentMtx = getCurrentTransform(this.ctx);
this.restore();
this.ctx.save();
this.ctx.setTransform(...currentMtx);
const dirtyBox = Util.getAxialAlignedBoundingBox([0, 0, groupCtx.canvas.width, groupCtx.canvas.height], currentMtx);
this.ctx.drawImage(groupCtx.canvas, 0, 0);
this.ctx.restore();
this.compose(dirtyBox);
}
}
beginAnnotation(id, rect, transform, matrix, hasOwnCanvas) {
this.#restoreInitialState();
resetCtxToDefault(this.ctx);
this.ctx.save();
this.save();
if (this.baseTransform) {
this.ctx.setTransform(...this.baseTransform);
}
if (rect) {
const width = rect[2] - rect[0];
const height = rect[3] - rect[1];
if (hasOwnCanvas && this.annotationCanvasMap) {
transform = transform.slice();
transform[4] -= rect[0];
transform[5] -= rect[1];
rect = rect.slice();
rect[0] = rect[1] = 0;
rect[2] = width;
rect[3] = height;
const [scaleX, scaleY] = Util.singularValueDecompose2dScale(getCurrentTransform(this.ctx));
const {
viewportScale
} = this;
const canvasWidth = Math.ceil(width * this.outputScaleX * viewportScale);
const canvasHeight = Math.ceil(height * this.outputScaleY * viewportScale);
this.annotationCanvas = this.canvasFactory.create(canvasWidth, canvasHeight);
const {
canvas,
context
} = this.annotationCanvas;
this.annotationCanvasMap.set(id, canvas);
this.annotationCanvas.savedCtx = this.ctx;
this.ctx = context;
this.ctx.save();
this.ctx.setTransform(scaleX, 0, 0, -scaleY, 0, height * scaleY);
resetCtxToDefault(this.ctx);
} else {
resetCtxToDefault(this.ctx);
this.ctx.rect(rect[0], rect[1], width, height);
this.ctx.clip();
this.endPath();
}
}
this.current = new CanvasExtraState(this.ctx.canvas.width, this.ctx.canvas.height);
this.transform(...transform);
this.transform(...matrix);
}
endAnnotation() {
if (this.annotationCanvas) {
this.ctx.restore();
this.#drawFilter();
this.ctx = this.annotationCanvas.savedCtx;
delete this.annotationCanvas.savedCtx;
delete this.annotationCanvas;
}
}
paintImageMaskXObject(img) {
if (!this.contentVisible) {
return;
}
const count = img.count;
img = this.getObject(img.data, img);
img.count = count;
const ctx = this.ctx;
const glyph = this.processingType3;
if (glyph) {
if (glyph.compiled === undefined) {
glyph.compiled = compileType3Glyph(img);
}
if (glyph.compiled) {
glyph.compiled(ctx);
return;
}
}
const mask = this._createMaskCanvas(img);
const maskCanvas = mask.canvas;
ctx.save();
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.drawImage(maskCanvas, mask.offsetX, mask.offsetY);
ctx.restore();
this.compose();
}
paintImageMaskXObjectRepeat(img, scaleX, skewX = 0, skewY = 0, scaleY, positions) {
if (!this.contentVisible) {
return;
}
img = this.getObject(img.data, img);
const ctx = this.ctx;
ctx.save();
const currentTransform = getCurrentTransform(ctx);
ctx.transform(scaleX, skewX, skewY, scaleY, 0, 0);
const mask = this._createMaskCanvas(img);
ctx.setTransform(1, 0, 0, 1, mask.offsetX - currentTransform[4], mask.offsetY - currentTransform[5]);
for (let i = 0, ii = positions.length; i < ii; i += 2) {
const trans = Util.transform(currentTransform, [scaleX, skewX, skewY, scaleY, positions[i], positions[i + 1]]);
const [x, y] = Util.applyTransform([0, 0], trans);
ctx.drawImage(mask.canvas, x, y);
}
ctx.restore();
this.compose();
}
paintImageMaskXObjectGroup(images) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
const fillColor = this.current.fillColor;
const isPatternFill = this.current.patternFill;
for (const image of images) {
const {
data,
width,
height,
transform
} = image;
const maskCanvas = this.cachedCanvases.getCanvas("maskCanvas", width, height);
const maskCtx = maskCanvas.context;
maskCtx.save();
const img = this.getObject(data, image);
putBinaryImageMask(maskCtx, img);
maskCtx.globalCompositeOperation = "source-in";
maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this, getCurrentTransformInverse(ctx), PathType.FILL) : fillColor;
maskCtx.fillRect(0, 0, width, height);
maskCtx.restore();
ctx.save();
ctx.transform(...transform);
ctx.scale(1, -1);
drawImageAtIntegerCoords(ctx, maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
ctx.restore();
}
this.compose();
}
paintImageXObject(objId) {
if (!this.contentVisible) {
return;
}
const imgData = this.getObject(objId);
if (!imgData) {
warn("Dependent image isn't ready yet");
return;
}
this.paintInlineImageXObject(imgData);
}
paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
if (!this.contentVisible) {
return;
}
const imgData = this.getObject(objId);
if (!imgData) {
warn("Dependent image isn't ready yet");
return;
}
const width = imgData.width;
const height = imgData.height;
const map = [];
for (let i = 0, ii = positions.length; i < ii; i += 2) {
map.push({
transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
x: 0,
y: 0,
w: width,
h: height
});
}
this.paintInlineImageXObjectGroup(imgData, map);
}
applyTransferMapsToCanvas(ctx) {
if (this.current.transferMaps !== "none") {
ctx.filter = this.current.transferMaps;
ctx.drawImage(ctx.canvas, 0, 0);
ctx.filter = "none";
}
return ctx.canvas;
}
applyTransferMapsToBitmap(imgData) {
if (this.current.transferMaps === "none") {
return imgData.bitmap;
}
const {
bitmap,
width,
height
} = imgData;
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
const tmpCtx = tmpCanvas.context;
tmpCtx.filter = this.current.transferMaps;
tmpCtx.drawImage(bitmap, 0, 0);
tmpCtx.filter = "none";
return tmpCanvas.canvas;
}
paintInlineImageXObject(imgData) {
if (!this.contentVisible) {
return;
}
const width = imgData.width;
const height = imgData.height;
const ctx = this.ctx;
this.save();
if (!isNodeJS) {
const {
filter
} = ctx;
if (filter !== "none" && filter !== "") {
ctx.filter = "none";
}
}
ctx.scale(1 / width, -1 / height);
let imgToPaint;
if (imgData.bitmap) {
imgToPaint = this.applyTransferMapsToBitmap(imgData);
} else if (typeof HTMLElement === "function" && imgData instanceof HTMLElement || !imgData.data) {
imgToPaint = imgData;
} else {
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", width, height);
const tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData);
imgToPaint = this.applyTransferMapsToCanvas(tmpCtx);
}
const scaled = this._scaleImage(imgToPaint, getCurrentTransformInverse(ctx));
ctx.imageSmoothingEnabled = getImageSmoothingEnabled(getCurrentTransform(ctx), imgData.interpolate);
drawImageAtIntegerCoords(ctx, scaled.img, 0, 0, scaled.paintWidth, scaled.paintHeight, 0, -height, width, height);
this.compose();
this.restore();
}
paintInlineImageXObjectGroup(imgData, map) {
if (!this.contentVisible) {
return;
}
const ctx = this.ctx;
let imgToPaint;
if (imgData.bitmap) {
imgToPaint = imgData.bitmap;
} else {
const w = imgData.width;
const h = imgData.height;
const tmpCanvas = this.cachedCanvases.getCanvas("inlineImage", w, h);
const tmpCtx = tmpCanvas.context;
putBinaryImageData(tmpCtx, imgData);
imgToPaint = this.applyTransferMapsToCanvas(tmpCtx);
}
for (const entry of map) {
ctx.save();
ctx.transform(...entry.transform);
ctx.scale(1, -1);
drawImageAtIntegerCoords(ctx, imgToPaint, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
ctx.restore();
}
this.compose();
}
paintSolidColorImageMask() {
if (!this.contentVisible) {
return;
}
this.ctx.fillRect(0, 0, 1, 1);
this.compose();
}
markPoint(tag) {}
markPointProps(tag, properties) {}
beginMarkedContent(tag) {
this.markedContentStack.push({
visible: true
});
}
beginMarkedContentProps(tag, properties) {
if (tag === "OC") {
this.markedContentStack.push({
visible: this.optionalContentConfig.isVisible(properties)
});
} else {
this.markedContentStack.push({
visible: true
});
}
this.contentVisible = this.isContentVisible();
}
endMarkedContent() {
this.markedContentStack.pop();
this.contentVisible = this.isContentVisible();
}
beginCompat() {}
endCompat() {}
consumePath(clipBox) {
const isEmpty = this.current.isEmptyClip();
if (this.pendingClip) {
this.current.updateClipFromPath();
}
if (!this.pendingClip) {
this.compose(clipBox);
}
const ctx = this.ctx;
if (this.pendingClip) {
if (!isEmpty) {
if (this.pendingClip === EO_CLIP) {
ctx.clip("evenodd");
} else {
ctx.clip();
}
}
this.pendingClip = null;
}
this.current.startNewPathAndClipBox(this.current.clipBox);
ctx.beginPath();
}
getSinglePixelWidth() {
if (!this._cachedGetSinglePixelWidth) {
const m = getCurrentTransform(this.ctx);
if (m[1] === 0 && m[2] === 0) {
this._cachedGetSinglePixelWidth = 1 / Math.min(Math.abs(m[0]), Math.abs(m[3]));
} else {
const absDet = Math.abs(m[0] * m[3] - m[2] * m[1]);
const normX = Math.hypot(m[0], m[2]);
const normY = Math.hypot(m[1], m[3]);
this._cachedGetSinglePixelWidth = Math.max(normX, normY) / absDet;
}
}
return this._cachedGetSinglePixelWidth;
}
getScaleForStroking() {
if (this._cachedScaleForStroking[0] === -1) {
const {
lineWidth
} = this.current;
const {
a,
b,
c,
d
} = this.ctx.getTransform();
let scaleX, scaleY;
if (b === 0 && c === 0) {
const normX = Math.abs(a);
const normY = Math.abs(d);
if (normX === normY) {
if (lineWidth === 0) {
scaleX = scaleY = 1 / normX;
} else {
const scaledLineWidth = normX * lineWidth;
scaleX = scaleY = scaledLineWidth < 1 ? 1 / scaledLineWidth : 1;
}
} else if (lineWidth === 0) {
scaleX = 1 / normX;
scaleY = 1 / normY;
} else {
const scaledXLineWidth = normX * lineWidth;
const scaledYLineWidth = normY * lineWidth;
scaleX = scaledXLineWidth < 1 ? 1 / scaledXLineWidth : 1;
scaleY = scaledYLineWidth < 1 ? 1 / scaledYLineWidth : 1;
}
} else {
const absDet = Math.abs(a * d - b * c);
const normX = Math.hypot(a, b);
const normY = Math.hypot(c, d);
if (lineWidth === 0) {
scaleX = normY / absDet;
scaleY = normX / absDet;
} else {
const baseArea = lineWidth * absDet;
scaleX = normY > baseArea ? normY / baseArea : 1;
scaleY = normX > baseArea ? normX / baseArea : 1;
}
}
this._cachedScaleForStroking[0] = scaleX;
this._cachedScaleForStroking[1] = scaleY;
}
return this._cachedScaleForStroking;
}
rescaleAndStroke(saveRestore) {
const {
ctx
} = this;
const {
lineWidth
} = this.current;
const [scaleX, scaleY] = this.getScaleForStroking();
ctx.lineWidth = lineWidth || 1;
if (scaleX === 1 && scaleY === 1) {
ctx.stroke();
return;
}
const dashes = ctx.getLineDash();
if (saveRestore) {
ctx.save();
}
ctx.scale(scaleX, scaleY);
if (dashes.length > 0) {
const scale = Math.max(scaleX, scaleY);
ctx.setLineDash(dashes.map(x => x / scale));
ctx.lineDashOffset /= scale;
}
ctx.stroke();
if (saveRestore) {
ctx.restore();
}
}
isContentVisible() {
for (let i = this.markedContentStack.length - 1; i >= 0; i--) {
if (!this.markedContentStack[i].visible) {
return false;
}
}
return true;
}
}
for (const op in OPS) {
if (CanvasGraphics.prototype[op] !== undefined) {
CanvasGraphics.prototype[OPS[op]] = CanvasGraphics.prototype[op];
}
}
;// CONCATENATED MODULE: ./src/display/worker_options.js
class GlobalWorkerOptions {
static #port = null;
static #src = "";
static get workerPort() {
return this.#port;
}
static set workerPort(val) {
if (!(typeof Worker !== "undefined" && val instanceof Worker) && val !== null) {
throw new Error("Invalid `workerPort` type.");
}
this.#port = val;
}
static get workerSrc() {
return this.#src;
}
static set workerSrc(val) {
if (typeof val !== "string") {
throw new Error("Invalid `workerSrc` type.");
}
this.#src = val;
}
}
;// CONCATENATED MODULE: ./src/shared/message_handler.js
const CallbackKind = {
UNKNOWN: 0,
DATA: 1,
ERROR: 2
};
const StreamKind = {
UNKNOWN: 0,
CANCEL: 1,
CANCEL_COMPLETE: 2,
CLOSE: 3,
ENQUEUE: 4,
ERROR: 5,
PULL: 6,
PULL_COMPLETE: 7,
START_COMPLETE: 8
};
function wrapReason(reason) {
if (!(reason instanceof Error || typeof reason === "object" && reason !== null)) {
unreachable('wrapReason: Expected "reason" to be a (possibly cloned) Error.');
}
switch (reason.name) {
case "AbortException":
return new AbortException(reason.message);
case "MissingPDFException":
return new MissingPDFException(reason.message);
case "PasswordException":
return new PasswordException(reason.message, reason.code);
case "UnexpectedResponseException":
return new UnexpectedResponseException(reason.message, reason.status);
case "UnknownErrorException":
return new UnknownErrorException(reason.message, reason.details);
default:
return new UnknownErrorException(reason.message, reason.toString());
}
}
class MessageHandler {
constructor(sourceName, targetName, comObj) {
this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj;
this.callbackId = 1;
this.streamId = 1;
this.streamSinks = Object.create(null);
this.streamControllers = Object.create(null);
this.callbackCapabilities = Object.create(null);
this.actionHandler = Object.create(null);
this._onComObjOnMessage = event => {
const data = event.data;
if (data.targetName !== this.sourceName) {
return;
}
if (data.stream) {
this.#processStreamMessage(data);
return;
}
if (data.callback) {
const callbackId = data.callbackId;
const capability = this.callbackCapabilities[callbackId];
if (!capability) {
throw new Error(`Cannot resolve callback ${callbackId}`);
}
delete this.callbackCapabilities[callbackId];
if (data.callback === CallbackKind.DATA) {
capability.resolve(data.data);
} else if (data.callback === CallbackKind.ERROR) {
capability.reject(wrapReason(data.reason));
} else {
throw new Error("Unexpected callback case");
}
return;
}
const action = this.actionHandler[data.action];
if (!action) {
throw new Error(`Unknown action from worker: ${data.action}`);
}
if (data.callbackId) {
const cbSourceName = this.sourceName;
const cbTargetName = data.sourceName;
new Promise(function (resolve) {
resolve(action(data.data));
}).then(function (result) {
comObj.postMessage({
sourceName: cbSourceName,
targetName: cbTargetName,
callback: CallbackKind.DATA,
callbackId: data.callbackId,
data: result
});
}, function (reason) {
comObj.postMessage({
sourceName: cbSourceName,
targetName: cbTargetName,
callback: CallbackKind.ERROR,
callbackId: data.callbackId,
reason: wrapReason(reason)
});
});
return;
}
if (data.streamId) {
this.#createStreamSink(data);
return;
}
action(data.data);
};
comObj.addEventListener("message", this._onComObjOnMessage);
}
on(actionName, handler) {
const ah = this.actionHandler;
if (ah[actionName]) {
throw new Error(`There is already an actionName called "${actionName}"`);
}
ah[actionName] = handler;
}
send(actionName, data, transfers) {
this.comObj.postMessage({
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName,
data
}, transfers);
}
sendWithPromise(actionName, data, transfers) {
const callbackId = this.callbackId++;
const capability = Promise.withResolvers();
this.callbackCapabilities[callbackId] = capability;
try {
this.comObj.postMessage({
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName,
callbackId,
data
}, transfers);
} catch (ex) {
capability.reject(ex);
}
return capability.promise;
}
sendWithStream(actionName, data, queueingStrategy, transfers) {
const streamId = this.streamId++,
sourceName = this.sourceName,
targetName = this.targetName,
comObj = this.comObj;
return new ReadableStream({
start: controller => {
const startCapability = Promise.withResolvers();
this.streamControllers[streamId] = {
controller,
startCall: startCapability,
pullCall: null,
cancelCall: null,
isClosed: false
};
comObj.postMessage({
sourceName,
targetName,
action: actionName,
streamId,
data,
desiredSize: controller.desiredSize
}, transfers);
return startCapability.promise;
},
pull: controller => {
const pullCapability = Promise.withResolvers();
this.streamControllers[streamId].pullCall = pullCapability;
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.PULL,
streamId,
desiredSize: controller.desiredSize
});
return pullCapability.promise;
},
cancel: reason => {
assert(reason instanceof Error, "cancel must have a valid reason");
const cancelCapability = Promise.withResolvers();
this.streamControllers[streamId].cancelCall = cancelCapability;
this.streamControllers[streamId].isClosed = true;
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.CANCEL,
streamId,
reason: wrapReason(reason)
});
return cancelCapability.promise;
}
}, queueingStrategy);
}
#createStreamSink(data) {
const streamId = data.streamId,
sourceName = this.sourceName,
targetName = data.sourceName,
comObj = this.comObj;
const self = this,
action = this.actionHandler[data.action];
const streamSink = {
enqueue(chunk, size = 1, transfers) {
if (this.isCancelled) {
return;
}
const lastDesiredSize = this.desiredSize;
this.desiredSize -= size;
if (lastDesiredSize > 0 && this.desiredSize <= 0) {
this.sinkCapability = Promise.withResolvers();
this.ready = this.sinkCapability.promise;
}
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.ENQUEUE,
streamId,
chunk
}, transfers);
},
close() {
if (this.isCancelled) {
return;
}
this.isCancelled = true;
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.CLOSE,
streamId
});
delete self.streamSinks[streamId];
},
error(reason) {
assert(reason instanceof Error, "error must have a valid reason");
if (this.isCancelled) {
return;
}
this.isCancelled = true;
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.ERROR,
streamId,
reason: wrapReason(reason)
});
},
sinkCapability: Promise.withResolvers(),
onPull: null,
onCancel: null,
isCancelled: false,
desiredSize: data.desiredSize,
ready: null
};
streamSink.sinkCapability.resolve();
streamSink.ready = streamSink.sinkCapability.promise;
this.streamSinks[streamId] = streamSink;
new Promise(function (resolve) {
resolve(action(data.data, streamSink));
}).then(function () {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.START_COMPLETE,
streamId,
success: true
});
}, function (reason) {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.START_COMPLETE,
streamId,
reason: wrapReason(reason)
});
});
}
#processStreamMessage(data) {
const streamId = data.streamId,
sourceName = this.sourceName,
targetName = data.sourceName,
comObj = this.comObj;
const streamController = this.streamControllers[streamId],
streamSink = this.streamSinks[streamId];
switch (data.stream) {
case StreamKind.START_COMPLETE:
if (data.success) {
streamController.startCall.resolve();
} else {
streamController.startCall.reject(wrapReason(data.reason));
}
break;
case StreamKind.PULL_COMPLETE:
if (data.success) {
streamController.pullCall.resolve();
} else {
streamController.pullCall.reject(wrapReason(data.reason));
}
break;
case StreamKind.PULL:
if (!streamSink) {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.PULL_COMPLETE,
streamId,
success: true
});
break;
}
if (streamSink.desiredSize <= 0 && data.desiredSize > 0) {
streamSink.sinkCapability.resolve();
}
streamSink.desiredSize = data.desiredSize;
new Promise(function (resolve) {
resolve(streamSink.onPull?.());
}).then(function () {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.PULL_COMPLETE,
streamId,
success: true
});
}, function (reason) {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.PULL_COMPLETE,
streamId,
reason: wrapReason(reason)
});
});
break;
case StreamKind.ENQUEUE:
assert(streamController, "enqueue should have stream controller");
if (streamController.isClosed) {
break;
}
streamController.controller.enqueue(data.chunk);
break;
case StreamKind.CLOSE:
assert(streamController, "close should have stream controller");
if (streamController.isClosed) {
break;
}
streamController.isClosed = true;
streamController.controller.close();
this.#deleteStreamController(streamController, streamId);
break;
case StreamKind.ERROR:
assert(streamController, "error should have stream controller");
streamController.controller.error(wrapReason(data.reason));
this.#deleteStreamController(streamController, streamId);
break;
case StreamKind.CANCEL_COMPLETE:
if (data.success) {
streamController.cancelCall.resolve();
} else {
streamController.cancelCall.reject(wrapReason(data.reason));
}
this.#deleteStreamController(streamController, streamId);
break;
case StreamKind.CANCEL:
if (!streamSink) {
break;
}
new Promise(function (resolve) {
resolve(streamSink.onCancel?.(wrapReason(data.reason)));
}).then(function () {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.CANCEL_COMPLETE,
streamId,
success: true
});
}, function (reason) {
comObj.postMessage({
sourceName,
targetName,
stream: StreamKind.CANCEL_COMPLETE,
streamId,
reason: wrapReason(reason)
});
});
streamSink.sinkCapability.reject(wrapReason(data.reason));
streamSink.isCancelled = true;
delete this.streamSinks[streamId];
break;
default:
throw new Error("Unexpected stream case");
}
}
async #deleteStreamController(streamController, streamId) {
await Promise.allSettled([streamController.startCall?.promise, streamController.pullCall?.promise, streamController.cancelCall?.promise]);
delete this.streamControllers[streamId];
}
destroy() {
this.comObj.removeEventListener("message", this._onComObjOnMessage);
}
}
;// CONCATENATED MODULE: ./src/display/metadata.js
class Metadata {
#metadataMap;
#data;
constructor({
parsedData,
rawData
}) {
this.#metadataMap = parsedData;
this.#data = rawData;
}
getRaw() {
return this.#data;
}
get(name) {
return this.#metadataMap.get(name) ?? null;
}
getAll() {
return objectFromMap(this.#metadataMap);
}
has(name) {
return this.#metadataMap.has(name);
}
}
;// CONCATENATED MODULE: ./src/display/optional_content_config.js
const INTERNAL = Symbol("INTERNAL");
class OptionalContentGroup {
#isDisplay = false;
#isPrint = false;
#userSet = false;
#visible = true;
constructor(renderingIntent, {
name,
intent,
usage
}) {
this.#isDisplay = !!(renderingIntent & RenderingIntentFlag.DISPLAY);
this.#isPrint = !!(renderingIntent & RenderingIntentFlag.PRINT);
this.name = name;
this.intent = intent;
this.usage = usage;
}
get visible() {
if (this.#userSet) {
return this.#visible;
}
if (!this.#visible) {
return false;
}
const {
print,
view
} = this.usage;
if (this.#isDisplay) {
return view?.viewState !== "OFF";
} else if (this.#isPrint) {
return print?.printState !== "OFF";
}
return true;
}
_setVisible(internal, visible, userSet = false) {
if (internal !== INTERNAL) {
unreachable("Internal method `_setVisible` called.");
}
this.#userSet = userSet;
this.#visible = visible;
}
}
class OptionalContentConfig {
#cachedGetHash = null;
#groups = new Map();
#initialHash = null;
#order = null;
constructor(data, renderingIntent = RenderingIntentFlag.DISPLAY) {
this.renderingIntent = renderingIntent;
this.name = null;
this.creator = null;
if (data === null) {
return;
}
this.name = data.name;
this.creator = data.creator;
this.#order = data.order;
for (const group of data.groups) {
this.#groups.set(group.id, new OptionalContentGroup(renderingIntent, group));
}
if (data.baseState === "OFF") {
for (const group of this.#groups.values()) {
group._setVisible(INTERNAL, false);
}
}
for (const on of data.on) {
this.#groups.get(on)._setVisible(INTERNAL, true);
}
for (const off of data.off) {
this.#groups.get(off)._setVisible(INTERNAL, false);
}
this.#initialHash = this.getHash();
}
#evaluateVisibilityExpression(array) {
const length = array.length;
if (length < 2) {
return true;
}
const operator = array[0];
for (let i = 1; i < length; i++) {
const element = array[i];
let state;
if (Array.isArray(element)) {
state = this.#evaluateVisibilityExpression(element);
} else if (this.#groups.has(element)) {
state = this.#groups.get(element).visible;
} else {
warn(`Optional content group not found: ${element}`);
return true;
}
switch (operator) {
case "And":
if (!state) {
return false;
}
break;
case "Or":
if (state) {
return true;
}
break;
case "Not":
return !state;
default:
return true;
}
}
return operator === "And";
}
isVisible(group) {
if (this.#groups.size === 0) {
return true;
}
if (!group) {
info("Optional content group not defined.");
return true;
}
if (group.type === "OCG") {
if (!this.#groups.has(group.id)) {
warn(`Optional content group not found: ${group.id}`);
return true;
}
return this.#groups.get(group.id).visible;
} else if (group.type === "OCMD") {
if (group.expression) {
return this.#evaluateVisibilityExpression(group.expression);
}
if (!group.policy || group.policy === "AnyOn") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
warn(`Optional content group not found: ${id}`);
return true;
}
if (this.#groups.get(id).visible) {
return true;
}
}
return false;
} else if (group.policy === "AllOn") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
warn(`Optional content group not found: ${id}`);
return true;
}
if (!this.#groups.get(id).visible) {
return false;
}
}
return true;
} else if (group.policy === "AnyOff") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
warn(`Optional content group not found: ${id}`);
return true;
}
if (!this.#groups.get(id).visible) {
return true;
}
}
return false;
} else if (group.policy === "AllOff") {
for (const id of group.ids) {
if (!this.#groups.has(id)) {
warn(`Optional content group not found: ${id}`);
return true;
}
if (this.#groups.get(id).visible) {
return false;
}
}
return true;
}
warn(`Unknown optional content policy ${group.policy}.`);
return true;
}
warn(`Unknown group type ${group.type}.`);
return true;
}
setVisibility(id, visible = true) {
const group = this.#groups.get(id);
if (!group) {
warn(`Optional content group not found: ${id}`);
return;
}
group._setVisible(INTERNAL, !!visible, true);
this.#cachedGetHash = null;
}
setOCGState({
state,
preserveRB
}) {
let operator;
for (const elem of state) {
switch (elem) {
case "ON":
case "OFF":
case "Toggle":
operator = elem;
continue;
}
const group = this.#groups.get(elem);
if (!group) {
continue;
}
switch (operator) {
case "ON":
group._setVisible(INTERNAL, true);
break;
case "OFF":
group._setVisible(INTERNAL, false);
break;
case "Toggle":
group._setVisible(INTERNAL, !group.visible);
break;
}
}
this.#cachedGetHash = null;
}
get hasInitialVisibility() {
return this.#initialHash === null || this.getHash() === this.#initialHash;
}
getOrder() {
if (!this.#groups.size) {
return null;
}
if (this.#order) {
return this.#order.slice();
}
return [...this.#groups.keys()];
}
getGroups() {
return this.#groups.size > 0 ? objectFromMap(this.#groups) : null;
}
getGroup(id) {
return this.#groups.get(id) || null;
}
getHash() {
if (this.#cachedGetHash !== null) {
return this.#cachedGetHash;
}
const hash = new MurmurHash3_64();
for (const [id, group] of this.#groups) {
hash.update(`${id}:${group.visible}`);
}
return this.#cachedGetHash = hash.hexdigest();
}
}
;// CONCATENATED MODULE: ./src/display/transport_stream.js
class PDFDataTransportStream {
constructor(pdfDataRangeTransport, {
disableRange = false,
disableStream = false
}) {
assert(pdfDataRangeTransport, 'PDFDataTransportStream - missing required "pdfDataRangeTransport" argument.');
const {
length,
initialData,
progressiveDone,
contentDispositionFilename
} = pdfDataRangeTransport;
this._queuedChunks = [];
this._progressiveDone = progressiveDone;
this._contentDispositionFilename = contentDispositionFilename;
if (initialData?.length > 0) {
const buffer = initialData instanceof Uint8Array && initialData.byteLength === initialData.buffer.byteLength ? initialData.buffer : new Uint8Array(initialData).buffer;
this._queuedChunks.push(buffer);
}
this._pdfDataRangeTransport = pdfDataRangeTransport;
this._isStreamingSupported = !disableStream;
this._isRangeSupported = !disableRange;
this._contentLength = length;
this._fullRequestReader = null;
this._rangeReaders = [];
pdfDataRangeTransport.addRangeListener((begin, chunk) => {
this._onReceiveData({
begin,
chunk
});
});
pdfDataRangeTransport.addProgressListener((loaded, total) => {
this._onProgress({
loaded,
total
});
});
pdfDataRangeTransport.addProgressiveReadListener(chunk => {
this._onReceiveData({
chunk
});
});
pdfDataRangeTransport.addProgressiveDoneListener(() => {
this._onProgressiveDone();
});
pdfDataRangeTransport.transportReady();
}
_onReceiveData({
begin,
chunk
}) {
const buffer = chunk instanceof Uint8Array && chunk.byteLength === chunk.buffer.byteLength ? chunk.buffer : new Uint8Array(chunk).buffer;
if (begin === undefined) {
if (this._fullRequestReader) {
this._fullRequestReader._enqueue(buffer);
} else {
this._queuedChunks.push(buffer);
}
} else {
const found = this._rangeReaders.some(function (rangeReader) {
if (rangeReader._begin !== begin) {
return false;
}
rangeReader._enqueue(buffer);
return true;
});
assert(found, "_onReceiveData - no `PDFDataTransportStreamRangeReader` instance found.");
}
}
get _progressiveDataLength() {
return this._fullRequestReader?._loaded ?? 0;
}
_onProgress(evt) {
if (evt.total === undefined) {
this._rangeReaders[0]?.onProgress?.({
loaded: evt.loaded
});
} else {
this._fullRequestReader?.onProgress?.({
loaded: evt.loaded,
total: evt.total
});
}
}
_onProgressiveDone() {
this._fullRequestReader?.progressiveDone();
this._progressiveDone = true;
}
_removeRangeReader(reader) {
const i = this._rangeReaders.indexOf(reader);
if (i >= 0) {
this._rangeReaders.splice(i, 1);
}
}
getFullReader() {
assert(!this._fullRequestReader, "PDFDataTransportStream.getFullReader can only be called once.");
const queuedChunks = this._queuedChunks;
this._queuedChunks = null;
return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone, this._contentDispositionFilename);
}
getRangeReader(begin, end) {
if (end <= this._progressiveDataLength) {
return null;
}
const reader = new PDFDataTransportStreamRangeReader(this, begin, end);
this._pdfDataRangeTransport.requestDataRange(begin, end);
this._rangeReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeReaders.slice(0)) {
reader.cancel(reason);
}
this._pdfDataRangeTransport.abort();
}
}
class PDFDataTransportStreamReader {
constructor(stream, queuedChunks, progressiveDone = false, contentDispositionFilename = null) {
this._stream = stream;
this._done = progressiveDone || false;
this._filename = isPdfFile(contentDispositionFilename) ? contentDispositionFilename : null;
this._queuedChunks = queuedChunks || [];
this._loaded = 0;
for (const chunk of this._queuedChunks) {
this._loaded += chunk.byteLength;
}
this._requests = [];
this._headersReady = Promise.resolve();
stream._fullRequestReader = this;
this.onProgress = null;
}
_enqueue(chunk) {
if (this._done) {
return;
}
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: chunk,
done: false
});
} else {
this._queuedChunks.push(chunk);
}
this._loaded += chunk.byteLength;
}
get headersReady() {
return this._headersReady;
}
get filename() {
return this._filename;
}
get isRangeSupported() {
return this._stream._isRangeSupported;
}
get isStreamingSupported() {
return this._stream._isStreamingSupported;
}
get contentLength() {
return this._stream._contentLength;
}
async read() {
if (this._queuedChunks.length > 0) {
const chunk = this._queuedChunks.shift();
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = Promise.withResolvers();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
progressiveDone() {
if (this._done) {
return;
}
this._done = true;
}
}
class PDFDataTransportStreamRangeReader {
constructor(stream, begin, end) {
this._stream = stream;
this._begin = begin;
this._end = end;
this._queuedChunk = null;
this._requests = [];
this._done = false;
this.onProgress = null;
}
_enqueue(chunk) {
if (this._done) {
return;
}
if (this._requests.length === 0) {
this._queuedChunk = chunk;
} else {
const requestsCapability = this._requests.shift();
requestsCapability.resolve({
value: chunk,
done: false
});
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
this._done = true;
this._stream._removeRangeReader(this);
}
get isStreamingSupported() {
return false;
}
async read() {
if (this._queuedChunk) {
const chunk = this._queuedChunk;
this._queuedChunk = null;
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = Promise.withResolvers();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
this._stream._removeRangeReader(this);
}
}
;// CONCATENATED MODULE: ./src/display/content_disposition.js
function getFilenameFromContentDispositionHeader(contentDisposition) {
let needsEncodingFixup = true;
let tmp = toParamRegExp("filename\\*", "i").exec(contentDisposition);
if (tmp) {
tmp = tmp[1];
let filename = rfc2616unquote(tmp);
filename = unescape(filename);
filename = rfc5987decode(filename);
filename = rfc2047decode(filename);
return fixupEncoding(filename);
}
tmp = rfc2231getparam(contentDisposition);
if (tmp) {
const filename = rfc2047decode(tmp);
return fixupEncoding(filename);
}
tmp = toParamRegExp("filename", "i").exec(contentDisposition);
if (tmp) {
tmp = tmp[1];
let filename = rfc2616unquote(tmp);
filename = rfc2047decode(filename);
return fixupEncoding(filename);
}
function toParamRegExp(attributePattern, flags) {
return new RegExp("(?:^|;)\\s*" + attributePattern + "\\s*=\\s*" + "(" + '[^";\\s][^;\\s]*' + "|" + '"(?:[^"\\\\]|\\\\"?)+"?' + ")", flags);
}
function textdecode(encoding, value) {
if (encoding) {
if (!/^[\x00-\xFF]+$/.test(value)) {
return value;
}
try {
const decoder = new TextDecoder(encoding, {
fatal: true
});
const buffer = stringToBytes(value);
value = decoder.decode(buffer);
needsEncodingFixup = false;
} catch {}
}
return value;
}
function fixupEncoding(value) {
if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
value = textdecode("utf-8", value);
if (needsEncodingFixup) {
value = textdecode("iso-8859-1", value);
}
}
return value;
}
function rfc2231getparam(contentDispositionStr) {
const matches = [];
let match;
const iter = toParamRegExp("filename\\*((?!0\\d)\\d+)(\\*?)", "ig");
while ((match = iter.exec(contentDispositionStr)) !== null) {
let [, n, quot, part] = match;
n = parseInt(n, 10);
if (n in matches) {
if (n === 0) {
break;
}
continue;
}
matches[n] = [quot, part];
}
const parts = [];
for (let n = 0; n < matches.length; ++n) {
if (!(n in matches)) {
break;
}
let [quot, part] = matches[n];
part = rfc2616unquote(part);
if (quot) {
part = unescape(part);
if (n === 0) {
part = rfc5987decode(part);
}
}
parts.push(part);
}
return parts.join("");
}
function rfc2616unquote(value) {
if (value.startsWith('"')) {
const parts = value.slice(1).split('\\"');
for (let i = 0; i < parts.length; ++i) {
const quotindex = parts[i].indexOf('"');
if (quotindex !== -1) {
parts[i] = parts[i].slice(0, quotindex);
parts.length = i + 1;
}
parts[i] = parts[i].replaceAll(/\\(.)/g, "$1");
}
value = parts.join('"');
}
return value;
}
function rfc5987decode(extvalue) {
const encodingend = extvalue.indexOf("'");
if (encodingend === -1) {
return extvalue;
}
const encoding = extvalue.slice(0, encodingend);
const langvalue = extvalue.slice(encodingend + 1);
const value = langvalue.replace(/^[^']*'/, "");
return textdecode(encoding, value);
}
function rfc2047decode(value) {
if (!value.startsWith("=?") || /[\x00-\x19\x80-\xff]/.test(value)) {
return value;
}
return value.replaceAll(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (matches, charset, encoding, text) {
if (encoding === "q" || encoding === "Q") {
text = text.replaceAll("_", " ");
text = text.replaceAll(/=([0-9a-fA-F]{2})/g, function (match, hex) {
return String.fromCharCode(parseInt(hex, 16));
});
return textdecode(charset, text);
}
try {
text = atob(text);
} catch {}
return textdecode(charset, text);
});
}
return "";
}
;// CONCATENATED MODULE: ./src/display/network_utils.js
function validateRangeRequestCapabilities({
getResponseHeader,
isHttp,
rangeChunkSize,
disableRange
}) {
const returnValues = {
allowRangeRequests: false,
suggestedLength: undefined
};
const length = parseInt(getResponseHeader("Content-Length"), 10);
if (!Number.isInteger(length)) {
return returnValues;
}
returnValues.suggestedLength = length;
if (length <= 2 * rangeChunkSize) {
return returnValues;
}
if (disableRange || !isHttp) {
return returnValues;
}
if (getResponseHeader("Accept-Ranges") !== "bytes") {
return returnValues;
}
const contentEncoding = getResponseHeader("Content-Encoding") || "identity";
if (contentEncoding !== "identity") {
return returnValues;
}
returnValues.allowRangeRequests = true;
return returnValues;
}
function extractFilenameFromHeader(getResponseHeader) {
const contentDisposition = getResponseHeader("Content-Disposition");
if (contentDisposition) {
let filename = getFilenameFromContentDispositionHeader(contentDisposition);
if (filename.includes("%")) {
try {
filename = decodeURIComponent(filename);
} catch {}
}
if (isPdfFile(filename)) {
return filename;
}
}
return null;
}
function createResponseStatusError(status, url) {
if (status === 404 || status === 0 && url.startsWith("file:")) {
return new MissingPDFException('Missing PDF "' + url + '".');
}
return new UnexpectedResponseException(`Unexpected server response (${status}) while retrieving PDF "${url}".`, status);
}
function validateResponseStatus(status) {
return status === 200 || status === 206;
}
;// CONCATENATED MODULE: ./src/display/fetch_stream.js
function createFetchOptions(headers, withCredentials, abortController) {
return {
method: "GET",
headers,
signal: abortController.signal,
mode: "cors",
credentials: withCredentials ? "include" : "same-origin",
redirect: "follow"
};
}
function createHeaders(httpHeaders) {
const headers = new Headers();
for (const property in httpHeaders) {
const value = httpHeaders[property];
if (value === undefined) {
continue;
}
headers.append(property, value);
}
return headers;
}
function getArrayBuffer(val) {
if (val instanceof Uint8Array) {
return val.buffer;
}
if (val instanceof ArrayBuffer) {
return val;
}
warn(`getArrayBuffer - unexpected data format: ${val}`);
return new Uint8Array(val).buffer;
}
class PDFFetchStream {
constructor(source) {
this.source = source;
this.isHttp = /^https?:/i.test(source.url);
this.httpHeaders = this.isHttp && source.httpHeaders || {};
this._fullRequestReader = null;
this._rangeRequestReaders = [];
}
get _progressiveDataLength() {
return this._fullRequestReader?._loaded ?? 0;
}
getFullReader() {
assert(!this._fullRequestReader, "PDFFetchStream.getFullReader can only be called once.");
this._fullRequestReader = new PDFFetchStreamReader(this);
return this._fullRequestReader;
}
getRangeReader(begin, end) {
if (end <= this._progressiveDataLength) {
return null;
}
const reader = new PDFFetchStreamRangeReader(this, begin, end);
this._rangeRequestReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
class PDFFetchStreamReader {
constructor(stream) {
this._stream = stream;
this._reader = null;
this._loaded = 0;
this._filename = null;
const source = stream.source;
this._withCredentials = source.withCredentials || false;
this._contentLength = source.length;
this._headersCapability = Promise.withResolvers();
this._disableRange = source.disableRange || false;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._abortController = new AbortController();
this._isStreamingSupported = !source.disableStream;
this._isRangeSupported = !source.disableRange;
this._headers = createHeaders(this._stream.httpHeaders);
const url = source.url;
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
if (!validateResponseStatus(response.status)) {
throw createResponseStatusError(response.status, url);
}
this._reader = response.body.getReader();
this._headersCapability.resolve();
const getResponseHeader = name => response.headers.get(name);
const {
allowRangeRequests,
suggestedLength
} = validateRangeRequestCapabilities({
getResponseHeader,
isHttp: this._stream.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
this._isRangeSupported = allowRangeRequests;
this._contentLength = suggestedLength || this._contentLength;
this._filename = extractFilenameFromHeader(getResponseHeader);
if (!this._isStreamingSupported && this._isRangeSupported) {
this.cancel(new AbortException("Streaming is disabled."));
}
}).catch(this._headersCapability.reject);
this.onProgress = null;
}
get headersReady() {
return this._headersCapability.promise;
}
get filename() {
return this._filename;
}
get contentLength() {
return this._contentLength;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._headersCapability.promise;
const {
value,
done
} = await this._reader.read();
if (done) {
return {
value,
done
};
}
this._loaded += value.byteLength;
this.onProgress?.({
loaded: this._loaded,
total: this._contentLength
});
return {
value: getArrayBuffer(value),
done: false
};
}
cancel(reason) {
this._reader?.cancel(reason);
this._abortController.abort();
}
}
class PDFFetchStreamRangeReader {
constructor(stream, begin, end) {
this._stream = stream;
this._reader = null;
this._loaded = 0;
const source = stream.source;
this._withCredentials = source.withCredentials || false;
this._readCapability = Promise.withResolvers();
this._isStreamingSupported = !source.disableStream;
this._abortController = new AbortController();
this._headers = createHeaders(this._stream.httpHeaders);
this._headers.append("Range", `bytes=${begin}-${end - 1}`);
const url = source.url;
fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(response => {
if (!validateResponseStatus(response.status)) {
throw createResponseStatusError(response.status, url);
}
this._readCapability.resolve();
this._reader = response.body.getReader();
}).catch(this._readCapability.reject);
this.onProgress = null;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
const {
value,
done
} = await this._reader.read();
if (done) {
return {
value,
done
};
}
this._loaded += value.byteLength;
this.onProgress?.({
loaded: this._loaded
});
return {
value: getArrayBuffer(value),
done: false
};
}
cancel(reason) {
this._reader?.cancel(reason);
this._abortController.abort();
}
}
;// CONCATENATED MODULE: ./src/display/network.js
const OK_RESPONSE = 200;
const PARTIAL_CONTENT_RESPONSE = 206;
function network_getArrayBuffer(xhr) {
const data = xhr.response;
if (typeof data !== "string") {
return data;
}
return stringToBytes(data).buffer;
}
class NetworkManager {
constructor(url, args = {}) {
this.url = url;
this.isHttp = /^https?:/i.test(url);
this.httpHeaders = this.isHttp && args.httpHeaders || Object.create(null);
this.withCredentials = args.withCredentials || false;
this.currXhrId = 0;
this.pendingRequests = Object.create(null);
}
requestRange(begin, end, listeners) {
const args = {
begin,
end
};
for (const prop in listeners) {
args[prop] = listeners[prop];
}
return this.request(args);
}
requestFull(listeners) {
return this.request(listeners);
}
request(args) {
const xhr = new XMLHttpRequest();
const xhrId = this.currXhrId++;
const pendingRequest = this.pendingRequests[xhrId] = {
xhr
};
xhr.open("GET", this.url);
xhr.withCredentials = this.withCredentials;
for (const property in this.httpHeaders) {
const value = this.httpHeaders[property];
if (value === undefined) {
continue;
}
xhr.setRequestHeader(property, value);
}
if (this.isHttp && "begin" in args && "end" in args) {
xhr.setRequestHeader("Range", `bytes=${args.begin}-${args.end - 1}`);
pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
} else {
pendingRequest.expectedStatus = OK_RESPONSE;
}
xhr.responseType = "arraybuffer";
if (args.onError) {
xhr.onerror = function (evt) {
args.onError(xhr.status);
};
}
xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
xhr.onprogress = this.onProgress.bind(this, xhrId);
pendingRequest.onHeadersReceived = args.onHeadersReceived;
pendingRequest.onDone = args.onDone;
pendingRequest.onError = args.onError;
pendingRequest.onProgress = args.onProgress;
xhr.send(null);
return xhrId;
}
onProgress(xhrId, evt) {
const pendingRequest = this.pendingRequests[xhrId];
if (!pendingRequest) {
return;
}
pendingRequest.onProgress?.(evt);
}
onStateChange(xhrId, evt) {
const pendingRequest = this.pendingRequests[xhrId];
if (!pendingRequest) {
return;
}
const xhr = pendingRequest.xhr;
if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
pendingRequest.onHeadersReceived();
delete pendingRequest.onHeadersReceived;
}
if (xhr.readyState !== 4) {
return;
}
if (!(xhrId in this.pendingRequests)) {
return;
}
delete this.pendingRequests[xhrId];
if (xhr.status === 0 && this.isHttp) {
pendingRequest.onError?.(xhr.status);
return;
}
const xhrStatus = xhr.status || OK_RESPONSE;
const ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
pendingRequest.onError?.(xhr.status);
return;
}
const chunk = network_getArrayBuffer(xhr);
if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
const rangeHeader = xhr.getResponseHeader("Content-Range");
const matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
pendingRequest.onDone({
begin: parseInt(matches[1], 10),
chunk
});
} else if (chunk) {
pendingRequest.onDone({
begin: 0,
chunk
});
} else {
pendingRequest.onError?.(xhr.status);
}
}
getRequestXhr(xhrId) {
return this.pendingRequests[xhrId].xhr;
}
isPendingRequest(xhrId) {
return xhrId in this.pendingRequests;
}
abortRequest(xhrId) {
const xhr = this.pendingRequests[xhrId].xhr;
delete this.pendingRequests[xhrId];
xhr.abort();
}
}
class PDFNetworkStream {
constructor(source) {
this._source = source;
this._manager = new NetworkManager(source.url, {
httpHeaders: source.httpHeaders,
withCredentials: source.withCredentials
});
this._rangeChunkSize = source.rangeChunkSize;
this._fullRequestReader = null;
this._rangeRequestReaders = [];
}
_onRangeRequestReaderClosed(reader) {
const i = this._rangeRequestReaders.indexOf(reader);
if (i >= 0) {
this._rangeRequestReaders.splice(i, 1);
}
}
getFullReader() {
assert(!this._fullRequestReader, "PDFNetworkStream.getFullReader can only be called once.");
this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
return this._fullRequestReader;
}
getRangeReader(begin, end) {
const reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
this._rangeRequestReaders.push(reader);
return reader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
class PDFNetworkStreamFullRequestReader {
constructor(manager, source) {
this._manager = manager;
const args = {
onHeadersReceived: this._onHeadersReceived.bind(this),
onDone: this._onDone.bind(this),
onError: this._onError.bind(this),
onProgress: this._onProgress.bind(this)
};
this._url = source.url;
this._fullRequestId = manager.requestFull(args);
this._headersReceivedCapability = Promise.withResolvers();
this._disableRange = source.disableRange || false;
this._contentLength = source.length;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._isStreamingSupported = false;
this._isRangeSupported = false;
this._cachedChunks = [];
this._requests = [];
this._done = false;
this._storedError = undefined;
this._filename = null;
this.onProgress = null;
}
_onHeadersReceived() {
const fullRequestXhrId = this._fullRequestId;
const fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
const getResponseHeader = name => fullRequestXhr.getResponseHeader(name);
const {
allowRangeRequests,
suggestedLength
} = validateRangeRequestCapabilities({
getResponseHeader,
isHttp: this._manager.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
if (allowRangeRequests) {
this._isRangeSupported = true;
}
this._contentLength = suggestedLength || this._contentLength;
this._filename = extractFilenameFromHeader(getResponseHeader);
if (this._isRangeSupported) {
this._manager.abortRequest(fullRequestXhrId);
}
this._headersReceivedCapability.resolve();
}
_onDone(data) {
if (data) {
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: data.chunk,
done: false
});
} else {
this._cachedChunks.push(data.chunk);
}
}
this._done = true;
if (this._cachedChunks.length > 0) {
return;
}
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
}
_onError(status) {
this._storedError = createResponseStatusError(status, this._url);
this._headersReceivedCapability.reject(this._storedError);
for (const requestCapability of this._requests) {
requestCapability.reject(this._storedError);
}
this._requests.length = 0;
this._cachedChunks.length = 0;
}
_onProgress(evt) {
this.onProgress?.({
loaded: evt.loaded,
total: evt.lengthComputable ? evt.total : this._contentLength
});
}
get filename() {
return this._filename;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
get contentLength() {
return this._contentLength;
}
get headersReady() {
return this._headersReceivedCapability.promise;
}
async read() {
if (this._storedError) {
throw this._storedError;
}
if (this._cachedChunks.length > 0) {
const chunk = this._cachedChunks.shift();
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = Promise.withResolvers();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
this._headersReceivedCapability.reject(reason);
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
if (this._manager.isPendingRequest(this._fullRequestId)) {
this._manager.abortRequest(this._fullRequestId);
}
this._fullRequestReader = null;
}
}
class PDFNetworkStreamRangeRequestReader {
constructor(manager, begin, end) {
this._manager = manager;
const args = {
onDone: this._onDone.bind(this),
onError: this._onError.bind(this),
onProgress: this._onProgress.bind(this)
};
this._url = manager.url;
this._requestId = manager.requestRange(begin, end, args);
this._requests = [];
this._queuedChunk = null;
this._done = false;
this._storedError = undefined;
this.onProgress = null;
this.onClosed = null;
}
_close() {
this.onClosed?.(this);
}
_onDone(data) {
const chunk = data.chunk;
if (this._requests.length > 0) {
const requestCapability = this._requests.shift();
requestCapability.resolve({
value: chunk,
done: false
});
} else {
this._queuedChunk = chunk;
}
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
this._close();
}
_onError(status) {
this._storedError = createResponseStatusError(status, this._url);
for (const requestCapability of this._requests) {
requestCapability.reject(this._storedError);
}
this._requests.length = 0;
this._queuedChunk = null;
}
_onProgress(evt) {
if (!this.isStreamingSupported) {
this.onProgress?.({
loaded: evt.loaded
});
}
}
get isStreamingSupported() {
return false;
}
async read() {
if (this._storedError) {
throw this._storedError;
}
if (this._queuedChunk !== null) {
const chunk = this._queuedChunk;
this._queuedChunk = null;
return {
value: chunk,
done: false
};
}
if (this._done) {
return {
value: undefined,
done: true
};
}
const requestCapability = Promise.withResolvers();
this._requests.push(requestCapability);
return requestCapability.promise;
}
cancel(reason) {
this._done = true;
for (const requestCapability of this._requests) {
requestCapability.resolve({
value: undefined,
done: true
});
}
this._requests.length = 0;
if (this._manager.isPendingRequest(this._requestId)) {
this._manager.abortRequest(this._requestId);
}
this._close();
}
}
;// CONCATENATED MODULE: ./src/display/node_stream.js
const fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
function parseUrl(sourceUrl) {
const url = NodePackages.get("url");
const parsedUrl = url.parse(sourceUrl);
if (parsedUrl.protocol === "file:" || parsedUrl.host) {
return parsedUrl;
}
if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
return url.parse(`file:///${sourceUrl}`);
}
if (!parsedUrl.host) {
parsedUrl.protocol = "file:";
}
return parsedUrl;
}
class PDFNodeStream {
constructor(source) {
this.source = source;
this.url = parseUrl(source.url);
this.isHttp = this.url.protocol === "http:" || this.url.protocol === "https:";
this.isFsUrl = this.url.protocol === "file:";
this.httpHeaders = this.isHttp && source.httpHeaders || {};
this._fullRequestReader = null;
this._rangeRequestReaders = [];
}
get _progressiveDataLength() {
return this._fullRequestReader?._loaded ?? 0;
}
getFullReader() {
assert(!this._fullRequestReader, "PDFNodeStream.getFullReader can only be called once.");
this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
return this._fullRequestReader;
}
getRangeReader(start, end) {
if (end <= this._progressiveDataLength) {
return null;
}
const rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
this._rangeRequestReaders.push(rangeReader);
return rangeReader;
}
cancelAllRequests(reason) {
this._fullRequestReader?.cancel(reason);
for (const reader of this._rangeRequestReaders.slice(0)) {
reader.cancel(reason);
}
}
}
class BaseFullReader {
constructor(stream) {
this._url = stream.url;
this._done = false;
this._storedError = null;
this.onProgress = null;
const source = stream.source;
this._contentLength = source.length;
this._loaded = 0;
this._filename = null;
this._disableRange = source.disableRange || false;
this._rangeChunkSize = source.rangeChunkSize;
if (!this._rangeChunkSize && !this._disableRange) {
this._disableRange = true;
}
this._isStreamingSupported = !source.disableStream;
this._isRangeSupported = !source.disableRange;
this._readableStream = null;
this._readCapability = Promise.withResolvers();
this._headersCapability = Promise.withResolvers();
}
get headersReady() {
return this._headersCapability.promise;
}
get filename() {
return this._filename;
}
get contentLength() {
return this._contentLength;
}
get isRangeSupported() {
return this._isRangeSupported;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
if (this._done) {
return {
value: undefined,
done: true
};
}
if (this._storedError) {
throw this._storedError;
}
const chunk = this._readableStream.read();
if (chunk === null) {
this._readCapability = Promise.withResolvers();
return this.read();
}
this._loaded += chunk.length;
this.onProgress?.({
loaded: this._loaded,
total: this._contentLength
});
const buffer = new Uint8Array(chunk).buffer;
return {
value: buffer,
done: false
};
}
cancel(reason) {
if (!this._readableStream) {
this._error(reason);
return;
}
this._readableStream.destroy(reason);
}
_error(reason) {
this._storedError = reason;
this._readCapability.resolve();
}
_setReadableStream(readableStream) {
this._readableStream = readableStream;
readableStream.on("readable", () => {
this._readCapability.resolve();
});
readableStream.on("end", () => {
readableStream.destroy();
this._done = true;
this._readCapability.resolve();
});
readableStream.on("error", reason => {
this._error(reason);
});
if (!this._isStreamingSupported && this._isRangeSupported) {
this._error(new AbortException("streaming is disabled"));
}
if (this._storedError) {
this._readableStream.destroy(this._storedError);
}
}
}
class BaseRangeReader {
constructor(stream) {
this._url = stream.url;
this._done = false;
this._storedError = null;
this.onProgress = null;
this._loaded = 0;
this._readableStream = null;
this._readCapability = Promise.withResolvers();
const source = stream.source;
this._isStreamingSupported = !source.disableStream;
}
get isStreamingSupported() {
return this._isStreamingSupported;
}
async read() {
await this._readCapability.promise;
if (this._done) {
return {
value: undefined,
done: true
};
}
if (this._storedError) {
throw this._storedError;
}
const chunk = this._readableStream.read();
if (chunk === null) {
this._readCapability = Promise.withResolvers();
return this.read();
}
this._loaded += chunk.length;
this.onProgress?.({
loaded: this._loaded
});
const buffer = new Uint8Array(chunk).buffer;
return {
value: buffer,
done: false
};
}
cancel(reason) {
if (!this._readableStream) {
this._error(reason);
return;
}
this._readableStream.destroy(reason);
}
_error(reason) {
this._storedError = reason;
this._readCapability.resolve();
}
_setReadableStream(readableStream) {
this._readableStream = readableStream;
readableStream.on("readable", () => {
this._readCapability.resolve();
});
readableStream.on("end", () => {
readableStream.destroy();
this._done = true;
this._readCapability.resolve();
});
readableStream.on("error", reason => {
this._error(reason);
});
if (this._storedError) {
this._readableStream.destroy(this._storedError);
}
}
}
function createRequestOptions(parsedUrl, headers) {
return {
protocol: parsedUrl.protocol,
auth: parsedUrl.auth,
host: parsedUrl.hostname,
port: parsedUrl.port,
path: parsedUrl.path,
method: "GET",
headers
};
}
class PDFNodeStreamFullReader extends BaseFullReader {
constructor(stream) {
super(stream);
const handleResponse = response => {
if (response.statusCode === 404) {
const error = new MissingPDFException(`Missing PDF "${this._url}".`);
this._storedError = error;
this._headersCapability.reject(error);
return;
}
this._headersCapability.resolve();
this._setReadableStream(response);
const getResponseHeader = name => this._readableStream.headers[name.toLowerCase()];
const {
allowRangeRequests,
suggestedLength
} = validateRangeRequestCapabilities({
getResponseHeader,
isHttp: stream.isHttp,
rangeChunkSize: this._rangeChunkSize,
disableRange: this._disableRange
});
this._isRangeSupported = allowRangeRequests;
this._contentLength = suggestedLength || this._contentLength;
this._filename = extractFilenameFromHeader(getResponseHeader);
};
this._request = null;
if (this._url.protocol === "http:") {
const http = NodePackages.get("http");
this._request = http.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
} else {
const https = NodePackages.get("https");
this._request = https.request(createRequestOptions(this._url, stream.httpHeaders), handleResponse);
}
this._request.on("error", reason => {
this._storedError = reason;
this._headersCapability.reject(reason);
});
this._request.end();
}
}
class PDFNodeStreamRangeReader extends BaseRangeReader {
constructor(stream, start, end) {
super(stream);
this._httpHeaders = {};
for (const property in stream.httpHeaders) {
const value = stream.httpHeaders[property];
if (value === undefined) {
continue;
}
this._httpHeaders[property] = value;
}
this._httpHeaders.Range = `bytes=${start}-${end - 1}`;
const handleResponse = response => {
if (response.statusCode === 404) {
const error = new MissingPDFException(`Missing PDF "${this._url}".`);
this._storedError = error;
return;
}
this._setReadableStream(response);
};
this._request = null;
if (this._url.protocol === "http:") {
const http = NodePackages.get("http");
this._request = http.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
} else {
const https = NodePackages.get("https");
this._request = https.request(createRequestOptions(this._url, this._httpHeaders), handleResponse);
}
this._request.on("error", reason => {
this._storedError = reason;
});
this._request.end();
}
}
class PDFNodeStreamFsFullReader extends BaseFullReader {
constructor(stream) {
super(stream);
let path = decodeURIComponent(this._url.path);
if (fileUriRegex.test(this._url.href)) {
path = path.replace(/^\//, "");
}
const fs = NodePackages.get("fs");
fs.promises.lstat(path).then(stat => {
this._contentLength = stat.size;
this._setReadableStream(fs.createReadStream(path));
this._headersCapability.resolve();
}, error => {
if (error.code === "ENOENT") {
error = new MissingPDFException(`Missing PDF "${path}".`);
}
this._storedError = error;
this._headersCapability.reject(error);
});
}
}
class PDFNodeStreamFsRangeReader extends BaseRangeReader {
constructor(stream, start, end) {
super(stream);
let path = decodeURIComponent(this._url.path);
if (fileUriRegex.test(this._url.href)) {
path = path.replace(/^\//, "");
}
const fs = NodePackages.get("fs");
this._setReadableStream(fs.createReadStream(path, {
start,
end: end - 1
}));
}
}
;// CONCATENATED MODULE: ./src/display/text_layer.js
const MAX_TEXT_DIVS_TO_RENDER = 100000;
const DEFAULT_FONT_SIZE = 30;
const DEFAULT_FONT_ASCENT = 0.8;
class TextLayer {
#capability = Promise.withResolvers();
#container = null;
#disableProcessItems = false;
#fontInspectorEnabled = !!globalThis.FontInspector?.enabled;
#lang = null;
#layoutTextParams = null;
#pageHeight = 0;
#pageWidth = 0;
#reader = null;
#rootContainer = null;
#rotation = 0;
#scale = 0;
#styleCache = Object.create(null);
#textContentItemsStr = [];
#textContentSource = null;
#textDivs = [];
#textDivProperties = new WeakMap();
#transform = null;
static #ascentCache = new Map();
static #canvasContexts = new Map();
static #pendingTextLayers = new Set();
constructor({
textContentSource,
container,
viewport
}) {
if (textContentSource instanceof ReadableStream) {
this.#textContentSource = textContentSource;
} else if (typeof textContentSource === "object") {
this.#textContentSource = new ReadableStream({
start(controller) {
controller.enqueue(textContentSource);
controller.close();
}
});
} else {
throw new Error('No "textContentSource" parameter specified.');
}
this.#container = this.#rootContainer = container;
this.#scale = viewport.scale * (globalThis.devicePixelRatio || 1);
this.#rotation = viewport.rotation;
this.#layoutTextParams = {
prevFontSize: null,
prevFontFamily: null,
div: null,
properties: null,
ctx: null
};
const {
pageWidth,
pageHeight,
pageX,
pageY
} = viewport.rawDims;
this.#transform = [1, 0, 0, -1, -pageX, pageY + pageHeight];
this.#pageWidth = pageWidth;
this.#pageHeight = pageHeight;
setLayerDimensions(container, viewport);
this.#capability.promise.catch(() => {}).then(() => {
TextLayer.#pendingTextLayers.delete(this);
this.#layoutTextParams = null;
this.#styleCache = null;
});
}
render() {
const pump = () => {
this.#reader.read().then(({
value,
done
}) => {
if (done) {
this.#capability.resolve();
return;
}
this.#lang ??= value.lang;
Object.assign(this.#styleCache, value.styles);
this.#processItems(value.items);
pump();
}, this.#capability.reject);
};
this.#reader = this.#textContentSource.getReader();
TextLayer.#pendingTextLayers.add(this);
pump();
return this.#capability.promise;
}
update({
viewport,
onBefore = null
}) {
const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
const rotation = viewport.rotation;
if (rotation !== this.#rotation) {
onBefore?.();
this.#rotation = rotation;
setLayerDimensions(this.#rootContainer, {
rotation
});
}
if (scale !== this.#scale) {
onBefore?.();
this.#scale = scale;
const params = {
prevFontSize: null,
prevFontFamily: null,
div: null,
properties: null,
ctx: TextLayer.#getCtx(this.#lang)
};
for (const div of this.#textDivs) {
params.properties = this.#textDivProperties.get(div);
params.div = div;
this.#layout(params);
}
}
}
cancel() {
const abortEx = new AbortException("TextLayer task cancelled.");
this.#reader?.cancel(abortEx).catch(() => {});
this.#reader = null;
this.#capability.reject(abortEx);
}
get textDivs() {
return this.#textDivs;
}
get textContentItemsStr() {
return this.#textContentItemsStr;
}
#processItems(items) {
if (this.#disableProcessItems) {
return;
}
this.#layoutTextParams.ctx ||= TextLayer.#getCtx(this.#lang);
const textDivs = this.#textDivs,
textContentItemsStr = this.#textContentItemsStr;
for (const item of items) {
if (textDivs.length > MAX_TEXT_DIVS_TO_RENDER) {
warn("Ignoring additional textDivs for performance reasons.");
this.#disableProcessItems = true;
return;
}
if (item.str === undefined) {
if (item.type === "beginMarkedContentProps" || item.type === "beginMarkedContent") {
const parent = this.#container;
this.#container = document.createElement("span");
this.#container.classList.add("markedContent");
if (item.id !== null) {
this.#container.setAttribute("id", `${item.id}`);
}
parent.append(this.#container);
} else if (item.type === "endMarkedContent") {
this.#container = this.#container.parentNode;
}
continue;
}
textContentItemsStr.push(item.str);
this.#appendText(item);
}
}
#appendText(geom) {
const textDiv = document.createElement("span");
const textDivProperties = {
angle: 0,
canvasWidth: 0,
hasText: geom.str !== "",
hasEOL: geom.hasEOL,
fontSize: 0
};
this.#textDivs.push(textDiv);
const tx = Util.transform(this.#transform, geom.transform);
let angle = Math.atan2(tx[1], tx[0]);
const style = this.#styleCache[geom.fontName];
if (style.vertical) {
angle += Math.PI / 2;
}
const fontFamily = this.#fontInspectorEnabled && style.fontSubstitution || style.fontFamily;
const fontHeight = Math.hypot(tx[2], tx[3]);
const fontAscent = fontHeight * TextLayer.#getAscent(fontFamily, this.#lang);
let left, top;
if (angle === 0) {
left = tx[4];
top = tx[5] - fontAscent;
} else {
left = tx[4] + fontAscent * Math.sin(angle);
top = tx[5] - fontAscent * Math.cos(angle);
}
const scaleFactorStr = "calc(var(--scale-factor)*";
const divStyle = textDiv.style;
if (this.#container === this.#rootContainer) {
divStyle.left = `${(100 * left / this.#pageWidth).toFixed(2)}%`;
divStyle.top = `${(100 * top / this.#pageHeight).toFixed(2)}%`;
} else {
divStyle.left = `${scaleFactorStr}${left.toFixed(2)}px)`;
divStyle.top = `${scaleFactorStr}${top.toFixed(2)}px)`;
}
divStyle.fontSize = `${scaleFactorStr}${fontHeight.toFixed(2)}px)`;
divStyle.fontFamily = fontFamily;
textDivProperties.fontSize = fontHeight;
textDiv.setAttribute("role", "presentation");
textDiv.textContent = geom.str;
textDiv.dir = geom.dir;
if (this.#fontInspectorEnabled) {
textDiv.dataset.fontName = style.fontSubstitutionLoadedName || geom.fontName;
}
if (angle !== 0) {
textDivProperties.angle = angle * (180 / Math.PI);
}
let shouldScaleText = false;
if (geom.str.length > 1) {
shouldScaleText = true;
} else if (geom.str !== " " && geom.transform[0] !== geom.transform[3]) {
const absScaleX = Math.abs(geom.transform[0]),
absScaleY = Math.abs(geom.transform[3]);
if (absScaleX !== absScaleY && Math.max(absScaleX, absScaleY) / Math.min(absScaleX, absScaleY) > 1.5) {
shouldScaleText = true;
}
}
if (shouldScaleText) {
textDivProperties.canvasWidth = style.vertical ? geom.height : geom.width;
}
this.#textDivProperties.set(textDiv, textDivProperties);
this.#layoutTextParams.div = textDiv;
this.#layoutTextParams.properties = textDivProperties;
this.#layout(this.#layoutTextParams);
if (textDivProperties.hasText) {
this.#container.append(textDiv);
}
if (textDivProperties.hasEOL) {
const br = document.createElement("br");
br.setAttribute("role", "presentation");
this.#container.append(br);
}
}
#layout(params) {
const {
div,
properties,
ctx,
prevFontSize,
prevFontFamily
} = params;
const {
style
} = div;
let transform = "";
if (properties.canvasWidth !== 0 && properties.hasText) {
const {
fontFamily
} = style;
const {
canvasWidth,
fontSize
} = properties;
if (prevFontSize !== fontSize || prevFontFamily !== fontFamily) {
ctx.font = `${fontSize * this.#scale}px ${fontFamily}`;
params.prevFontSize = fontSize;
params.prevFontFamily = fontFamily;
}
const {
width
} = ctx.measureText(div.textContent);
if (width > 0) {
transform = `scaleX(${canvasWidth * this.#scale / width})`;
}
}
if (properties.angle !== 0) {
transform = `rotate(${properties.angle}deg) ${transform}`;
}
if (transform.length > 0) {
style.transform = transform;
}
}
static cleanup() {
if (this.#pendingTextLayers.size > 0) {
return;
}
this.#ascentCache.clear();
for (const {
canvas
} of this.#canvasContexts.values()) {
canvas.remove();
}
this.#canvasContexts.clear();
}
static #getCtx(lang = null) {
let canvasContext = this.#canvasContexts.get(lang ||= "");
if (!canvasContext) {
const canvas = document.createElement("canvas");
canvas.className = "hiddenCanvasElement";
canvas.lang = lang;
document.body.append(canvas);
canvasContext = canvas.getContext("2d", {
alpha: false
});
this.#canvasContexts.set(lang, canvasContext);
}
return canvasContext;
}
static #getAscent(fontFamily, lang) {
const cachedAscent = this.#ascentCache.get(fontFamily);
if (cachedAscent) {
return cachedAscent;
}
const ctx = this.#getCtx(lang);
const savedFont = ctx.font;
ctx.canvas.width = ctx.canvas.height = DEFAULT_FONT_SIZE;
ctx.font = `${DEFAULT_FONT_SIZE}px ${fontFamily}`;
const metrics = ctx.measureText("");
let ascent = metrics.fontBoundingBoxAscent;
let descent = Math.abs(metrics.fontBoundingBoxDescent);
if (ascent) {
const ratio = ascent / (ascent + descent);
this.#ascentCache.set(fontFamily, ratio);
ctx.canvas.width = ctx.canvas.height = 0;
ctx.font = savedFont;
return ratio;
}
ctx.strokeStyle = "red";
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
ctx.strokeText("g", 0, 0);
let pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
descent = 0;
for (let i = pixels.length - 1 - 3; i >= 0; i -= 4) {
if (pixels[i] > 0) {
descent = Math.ceil(i / 4 / DEFAULT_FONT_SIZE);
break;
}
}
ctx.clearRect(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE);
ctx.strokeText("A", 0, DEFAULT_FONT_SIZE);
pixels = ctx.getImageData(0, 0, DEFAULT_FONT_SIZE, DEFAULT_FONT_SIZE).data;
ascent = 0;
for (let i = 0, ii = pixels.length; i < ii; i += 4) {
if (pixels[i] > 0) {
ascent = DEFAULT_FONT_SIZE - Math.floor(i / 4 / DEFAULT_FONT_SIZE);
break;
}
}
ctx.canvas.width = ctx.canvas.height = 0;
ctx.font = savedFont;
const ratio = ascent ? ascent / (ascent + descent) : DEFAULT_FONT_ASCENT;
this.#ascentCache.set(fontFamily, ratio);
return ratio;
}
}
function renderTextLayer() {
deprecated("`renderTextLayer`, please use `TextLayer` instead.");
const {
textContentSource,
container,
viewport,
...rest
} = arguments[0];
const restKeys = Object.keys(rest);
if (restKeys.length > 0) {
warn("Ignoring `renderTextLayer` parameters: " + restKeys.join(", "));
}
const textLayer = new TextLayer({
textContentSource,
container,
viewport
});
const {
textDivs,
textContentItemsStr
} = textLayer;
const promise = textLayer.render();
return {
promise,
textDivs,
textContentItemsStr
};
}
function updateTextLayer() {
deprecated("`updateTextLayer`, please use `TextLayer` instead.");
}
;// CONCATENATED MODULE: ./src/display/xfa_text.js
class XfaText {
static textContent(xfa) {
const items = [];
const output = {
items,
styles: Object.create(null)
};
function walk(node) {
if (!node) {
return;
}
let str = null;
const name = node.name;
if (name === "#text") {
str = node.value;
} else if (!XfaText.shouldBuildText(name)) {
return;
} else if (node?.attributes?.textContent) {
str = node.attributes.textContent;
} else if (node.value) {
str = node.value;
}
if (str !== null) {
items.push({
str
});
}
if (!node.children) {
return;
}
for (const child of node.children) {
walk(child);
}
}
walk(xfa);
return output;
}
static shouldBuildText(name) {
return !(name === "textarea" || name === "input" || name === "option" || name === "select");
}
}
;// CONCATENATED MODULE: ./src/display/api.js
const DEFAULT_RANGE_CHUNK_SIZE = 65536;
const RENDERING_CANCELLED_TIMEOUT = 100;
const DELAYED_CLEANUP_TIMEOUT = 5000;
const DefaultCanvasFactory = isNodeJS ? NodeCanvasFactory : DOMCanvasFactory;
const DefaultCMapReaderFactory = isNodeJS ? NodeCMapReaderFactory : DOMCMapReaderFactory;
const DefaultFilterFactory = isNodeJS ? NodeFilterFactory : DOMFilterFactory;
const DefaultStandardFontDataFactory = isNodeJS ? NodeStandardFontDataFactory : DOMStandardFontDataFactory;
function getDocument(src) {
if (typeof src === "string" || src instanceof URL) {
src = {
url: src
};
} else if (src instanceof ArrayBuffer || ArrayBuffer.isView(src)) {
src = {
data: src
};
}
if (typeof src !== "object") {
throw new Error("Invalid parameter in getDocument, need parameter object.");
}
if (!src.url && !src.data && !src.range) {
throw new Error("Invalid parameter object: need either .data, .range or .url");
}
const task = new PDFDocumentLoadingTask();
const {
docId
} = task;
const url = src.url ? getUrlProp(src.url) : null;
const data = src.data ? getDataProp(src.data) : null;
const httpHeaders = src.httpHeaders || null;
const withCredentials = src.withCredentials === true;
const password = src.password ?? null;
const rangeTransport = src.range instanceof PDFDataRangeTransport ? src.range : null;
const rangeChunkSize = Number.isInteger(src.rangeChunkSize) && src.rangeChunkSize > 0 ? src.rangeChunkSize : DEFAULT_RANGE_CHUNK_SIZE;
let worker = src.worker instanceof PDFWorker ? src.worker : null;
const verbosity = src.verbosity;
const docBaseUrl = typeof src.docBaseUrl === "string" && !isDataScheme(src.docBaseUrl) ? src.docBaseUrl : null;
const cMapUrl = typeof src.cMapUrl === "string" ? src.cMapUrl : null;
const cMapPacked = src.cMapPacked !== false;
const CMapReaderFactory = src.CMapReaderFactory || DefaultCMapReaderFactory;
const standardFontDataUrl = typeof src.standardFontDataUrl === "string" ? src.standardFontDataUrl : null;
const StandardFontDataFactory = src.StandardFontDataFactory || DefaultStandardFontDataFactory;
const ignoreErrors = src.stopAtErrors !== true;
const maxImageSize = Number.isInteger(src.maxImageSize) && src.maxImageSize > -1 ? src.maxImageSize : -1;
const isEvalSupported = src.isEvalSupported !== false;
const isOffscreenCanvasSupported = typeof src.isOffscreenCanvasSupported === "boolean" ? src.isOffscreenCanvasSupported : !isNodeJS;
const canvasMaxAreaInBytes = Number.isInteger(src.canvasMaxAreaInBytes) ? src.canvasMaxAreaInBytes : -1;
const disableFontFace = typeof src.disableFontFace === "boolean" ? src.disableFontFace : isNodeJS;
const fontExtraProperties = src.fontExtraProperties === true;
const enableXfa = src.enableXfa === true;
const ownerDocument = src.ownerDocument || globalThis.document;
const disableRange = src.disableRange === true;
const disableStream = src.disableStream === true;
const disableAutoFetch = src.disableAutoFetch === true;
const pdfBug = src.pdfBug === true;
const length = rangeTransport ? rangeTransport.length : src.length ?? NaN;
const useSystemFonts = typeof src.useSystemFonts === "boolean" ? src.useSystemFonts : !isNodeJS && !disableFontFace;
const useWorkerFetch = typeof src.useWorkerFetch === "boolean" ? src.useWorkerFetch : CMapReaderFactory === DOMCMapReaderFactory && StandardFontDataFactory === DOMStandardFontDataFactory && cMapUrl && standardFontDataUrl && isValidFetchUrl(cMapUrl, document.baseURI) && isValidFetchUrl(standardFontDataUrl, document.baseURI);
const canvasFactory = src.canvasFactory || new DefaultCanvasFactory({
ownerDocument
});
const filterFactory = src.filterFactory || new DefaultFilterFactory({
docId,
ownerDocument
});
const styleElement = null;
setVerbosityLevel(verbosity);
const transportFactory = {
canvasFactory,
filterFactory
};
if (!useWorkerFetch) {
transportFactory.cMapReaderFactory = new CMapReaderFactory({
baseUrl: cMapUrl,
isCompressed: cMapPacked
});
transportFactory.standardFontDataFactory = new StandardFontDataFactory({
baseUrl: standardFontDataUrl
});
}
if (!worker) {
const workerParams = {
verbosity,
port: GlobalWorkerOptions.workerPort
};
worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
task._worker = worker;
}
const docParams = {
docId,
apiVersion: "4.3.136",
data,
password,
disableAutoFetch,
rangeChunkSize,
length,
docBaseUrl,
enableXfa,
evaluatorOptions: {
maxImageSize,
disableFontFace,
ignoreErrors,
isEvalSupported,
isOffscreenCanvasSupported,
canvasMaxAreaInBytes,
fontExtraProperties,
useSystemFonts,
cMapUrl: useWorkerFetch ? cMapUrl : null,
standardFontDataUrl: useWorkerFetch ? standardFontDataUrl : null
}
};
const transportParams = {
disableFontFace,
fontExtraProperties,
ownerDocument,
pdfBug,
styleElement,
loadingParams: {
disableAutoFetch,
enableXfa
}
};
worker.promise.then(function () {
if (task.destroyed) {
throw new Error("Loading aborted");
}
if (worker.destroyed) {
throw new Error("Worker was destroyed");
}
const workerIdPromise = worker.messageHandler.sendWithPromise("GetDocRequest", docParams, data ? [data.buffer] : null);
let networkStream;
if (rangeTransport) {
networkStream = new PDFDataTransportStream(rangeTransport, {
disableRange,
disableStream
});
} else if (!data) {
const createPDFNetworkStream = params => {
if (isNodeJS) {
const isFetchSupported = function () {
return typeof fetch !== "undefined" && typeof Response !== "undefined" && "body" in Response.prototype;
};
return isFetchSupported() && isValidFetchUrl(params.url) ? new PDFFetchStream(params) : new PDFNodeStream(params);
}
return isValidFetchUrl(params.url) ? new PDFFetchStream(params) : new PDFNetworkStream(params);
};
networkStream = createPDFNetworkStream({
url,
length,
httpHeaders,
withCredentials,
rangeChunkSize,
disableRange,
disableStream
});
}
return workerIdPromise.then(workerId => {
if (task.destroyed) {
throw new Error("Loading aborted");
}
if (worker.destroyed) {
throw new Error("Worker was destroyed");
}
const messageHandler = new MessageHandler(docId, workerId, worker.port);
const transport = new WorkerTransport(messageHandler, task, networkStream, transportParams, transportFactory);
task._transport = transport;
messageHandler.send("Ready", null);
});
}).catch(task._capability.reject);
return task;
}
function getUrlProp(val) {
if (val instanceof URL) {
return val.href;
}
try {
return new URL(val, window.location).href;
} catch {
if (isNodeJS && typeof val === "string") {
return val;
}
}
throw new Error("Invalid PDF url data: " + "either string or URL-object is expected in the url property.");
}
function getDataProp(val) {
if (isNodeJS && typeof Buffer !== "undefined" && val instanceof Buffer) {
throw new Error("Please provide binary data as `Uint8Array`, rather than `Buffer`.");
}
if (val instanceof Uint8Array && val.byteLength === val.buffer.byteLength) {
return val;
}
if (typeof val === "string") {
return stringToBytes(val);
}
if (val instanceof ArrayBuffer || ArrayBuffer.isView(val) || typeof val === "object" && !isNaN(val?.length)) {
return new Uint8Array(val);
}
throw new Error("Invalid PDF binary data: either TypedArray, " + "string, or array-like object is expected in the data property.");
}
function isRefProxy(ref) {
return typeof ref === "object" && Number.isInteger(ref?.num) && ref.num >= 0 && Number.isInteger(ref?.gen) && ref.gen >= 0;
}
class PDFDocumentLoadingTask {
static #docId = 0;
constructor() {
this._capability = Promise.withResolvers();
this._transport = null;
this._worker = null;
this.docId = `d${PDFDocumentLoadingTask.#docId++}`;
this.destroyed = false;
this.onPassword = null;
this.onProgress = null;
}
get promise() {
return this._capability.promise;
}
async destroy() {
this.destroyed = true;
try {
if (this._worker?.port) {
this._worker._pendingDestroy = true;
}
await this._transport?.destroy();
} catch (ex) {
if (this._worker?.port) {
delete this._worker._pendingDestroy;
}
throw ex;
}
this._transport = null;
if (this._worker) {
this._worker.destroy();
this._worker = null;
}
}
}
class PDFDataRangeTransport {
constructor(length, initialData, progressiveDone = false, contentDispositionFilename = null) {
this.length = length;
this.initialData = initialData;
this.progressiveDone = progressiveDone;
this.contentDispositionFilename = contentDispositionFilename;
this._rangeListeners = [];
this._progressListeners = [];
this._progressiveReadListeners = [];
this._progressiveDoneListeners = [];
this._readyCapability = Promise.withResolvers();
}
addRangeListener(listener) {
this._rangeListeners.push(listener);
}
addProgressListener(listener) {
this._progressListeners.push(listener);
}
addProgressiveReadListener(listener) {
this._progressiveReadListeners.push(listener);
}
addProgressiveDoneListener(listener) {
this._progressiveDoneListeners.push(listener);
}
onDataRange(begin, chunk) {
for (const listener of this._rangeListeners) {
listener(begin, chunk);
}
}
onDataProgress(loaded, total) {
this._readyCapability.promise.then(() => {
for (const listener of this._progressListeners) {
listener(loaded, total);
}
});
}
onDataProgressiveRead(chunk) {
this._readyCapability.promise.then(() => {
for (const listener of this._progressiveReadListeners) {
listener(chunk);
}
});
}
onDataProgressiveDone() {
this._readyCapability.promise.then(() => {
for (const listener of this._progressiveDoneListeners) {
listener();
}
});
}
transportReady() {
this._readyCapability.resolve();
}
requestDataRange(begin, end) {
unreachable("Abstract method PDFDataRangeTransport.requestDataRange");
}
abort() {}
}
class PDFDocumentProxy {
constructor(pdfInfo, transport) {
this._pdfInfo = pdfInfo;
this._transport = transport;
}
get annotationStorage() {
return this._transport.annotationStorage;
}
get filterFactory() {
return this._transport.filterFactory;
}
get numPages() {
return this._pdfInfo.numPages;
}
get fingerprints() {
return this._pdfInfo.fingerprints;
}
get isPureXfa() {
return shadow(this, "isPureXfa", !!this._transport._htmlForXfa);
}
get allXfaHtml() {
return this._transport._htmlForXfa;
}
getPage(pageNumber) {
return this._transport.getPage(pageNumber);
}
getPageIndex(ref) {
return this._transport.getPageIndex(ref);
}
getDestinations() {
return this._transport.getDestinations();
}
getDestination(id) {
return this._transport.getDestination(id);
}
getPageLabels() {
return this._transport.getPageLabels();
}
getPageLayout() {
return this._transport.getPageLayout();
}
getPageMode() {
return this._transport.getPageMode();
}
getViewerPreferences() {
return this._transport.getViewerPreferences();
}
getOpenAction() {
return this._transport.getOpenAction();
}
getAttachments() {
return this._transport.getAttachments();
}
getJSActions() {
return this._transport.getDocJSActions();
}
getOutline() {
return this._transport.getOutline();
}
getOptionalContentConfig({
intent = "display"
} = {}) {
const {
renderingIntent
} = this._transport.getRenderingIntent(intent);
return this._transport.getOptionalContentConfig(renderingIntent);
}
getPermissions() {
return this._transport.getPermissions();
}
getMetadata() {
return this._transport.getMetadata();
}
getMarkInfo() {
return this._transport.getMarkInfo();
}
getData() {
return this._transport.getData();
}
saveDocument() {
return this._transport.saveDocument();
}
getDownloadInfo() {
return this._transport.downloadInfoCapability.promise;
}
cleanup(keepLoadedFonts = false) {
return this._transport.startCleanup(keepLoadedFonts || this.isPureXfa);
}
destroy() {
return this.loadingTask.destroy();
}
cachedPageNumber(ref) {
return this._transport.cachedPageNumber(ref);
}
get loadingParams() {
return this._transport.loadingParams;
}
get loadingTask() {
return this._transport.loadingTask;
}
getFieldObjects() {
return this._transport.getFieldObjects();
}
hasJSActions() {
return this._transport.hasJSActions();
}
getCalculationOrderIds() {
return this._transport.getCalculationOrderIds();
}
}
class PDFPageProxy {
#delayedCleanupTimeout = null;
#pendingCleanup = false;
constructor(pageIndex, pageInfo, transport, pdfBug = false) {
this._pageIndex = pageIndex;
this._pageInfo = pageInfo;
this._transport = transport;
this._stats = pdfBug ? new StatTimer() : null;
this._pdfBug = pdfBug;
this.commonObjs = transport.commonObjs;
this.objs = new PDFObjects();
this._maybeCleanupAfterRender = false;
this._intentStates = new Map();
this.destroyed = false;
}
get pageNumber() {
return this._pageIndex + 1;
}
get rotate() {
return this._pageInfo.rotate;
}
get ref() {
return this._pageInfo.ref;
}
get userUnit() {
return this._pageInfo.userUnit;
}
get view() {
return this._pageInfo.view;
}
getViewport({
scale,
rotation = this.rotate,
offsetX = 0,
offsetY = 0,
dontFlip = false
} = {}) {
return new PageViewport({
viewBox: this.view,
scale,
rotation,
offsetX,
offsetY,
dontFlip
});
}
getAnnotations({
intent = "display"
} = {}) {
const {
renderingIntent
} = this._transport.getRenderingIntent(intent);
return this._transport.getAnnotations(this._pageIndex, renderingIntent);
}
getJSActions() {
return this._transport.getPageJSActions(this._pageIndex);
}
get filterFactory() {
return this._transport.filterFactory;
}
get isPureXfa() {
return shadow(this, "isPureXfa", !!this._transport._htmlForXfa);
}
async getXfa() {
return this._transport._htmlForXfa?.children[this._pageIndex] || null;
}
render({
canvasContext,
viewport,
intent = "display",
annotationMode = AnnotationMode.ENABLE,
transform = null,
background = null,
optionalContentConfigPromise = null,
annotationCanvasMap = null,
pageColors = null,
printAnnotationStorage = null
}) {
this._stats?.time("Overall");
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage);
const {
renderingIntent,
cacheKey
} = intentArgs;
this.#pendingCleanup = false;
this.#abortDelayedCleanup();
optionalContentConfigPromise ||= this._transport.getOptionalContentConfig(renderingIntent);
let intentState = this._intentStates.get(cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(cacheKey, intentState);
}
if (intentState.streamReaderCancelTimeout) {
clearTimeout(intentState.streamReaderCancelTimeout);
intentState.streamReaderCancelTimeout = null;
}
const intentPrint = !!(renderingIntent & RenderingIntentFlag.PRINT);
if (!intentState.displayReadyCapability) {
intentState.displayReadyCapability = Promise.withResolvers();
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false,
separateAnnots: null
};
this._stats?.time("Page Request");
this._pumpOperatorList(intentArgs);
}
const complete = error => {
intentState.renderTasks.delete(internalRenderTask);
if (this._maybeCleanupAfterRender || intentPrint) {
this.#pendingCleanup = true;
}
this.#tryCleanup(!intentPrint);
if (error) {
internalRenderTask.capability.reject(error);
this._abortOperatorList({
intentState,
reason: error instanceof Error ? error : new Error(error)
});
} else {
internalRenderTask.capability.resolve();
}
if (this._stats) {
this._stats.timeEnd("Rendering");
this._stats.timeEnd("Overall");
if (globalThis.Stats?.enabled) {
globalThis.Stats.add(this.pageNumber, this._stats);
}
}
};
const internalRenderTask = new InternalRenderTask({
callback: complete,
params: {
canvasContext,
viewport,
transform,
background
},
objs: this.objs,
commonObjs: this.commonObjs,
annotationCanvasMap,
operatorList: intentState.operatorList,
pageIndex: this._pageIndex,
canvasFactory: this._transport.canvasFactory,
filterFactory: this._transport.filterFactory,
useRequestAnimationFrame: !intentPrint,
pdfBug: this._pdfBug,
pageColors
});
(intentState.renderTasks ||= new Set()).add(internalRenderTask);
const renderTask = internalRenderTask.task;
Promise.all([intentState.displayReadyCapability.promise, optionalContentConfigPromise]).then(([transparency, optionalContentConfig]) => {
if (this.destroyed) {
complete();
return;
}
this._stats?.time("Rendering");
if (!(optionalContentConfig.renderingIntent & renderingIntent)) {
throw new Error("Must use the same `intent`-argument when calling the `PDFPageProxy.render` " + "and `PDFDocumentProxy.getOptionalContentConfig` methods.");
}
internalRenderTask.initializeGraphics({
transparency,
optionalContentConfig
});
internalRenderTask.operatorListChanged();
}).catch(complete);
return renderTask;
}
getOperatorList({
intent = "display",
annotationMode = AnnotationMode.ENABLE,
printAnnotationStorage = null
} = {}) {
function operatorListChanged() {
if (intentState.operatorList.lastChunk) {
intentState.opListReadCapability.resolve(intentState.operatorList);
intentState.renderTasks.delete(opListTask);
}
}
const intentArgs = this._transport.getRenderingIntent(intent, annotationMode, printAnnotationStorage, true);
let intentState = this._intentStates.get(intentArgs.cacheKey);
if (!intentState) {
intentState = Object.create(null);
this._intentStates.set(intentArgs.cacheKey, intentState);
}
let opListTask;
if (!intentState.opListReadCapability) {
opListTask = Object.create(null);
opListTask.operatorListChanged = operatorListChanged;
intentState.opListReadCapability = Promise.withResolvers();
(intentState.renderTasks ||= new Set()).add(opListTask);
intentState.operatorList = {
fnArray: [],
argsArray: [],
lastChunk: false,
separateAnnots: null
};
this._stats?.time("Page Request");
this._pumpOperatorList(intentArgs);
}
return intentState.opListReadCapability.promise;
}
streamTextContent({
includeMarkedContent = false,
disableNormalization = false
} = {}) {
const TEXT_CONTENT_CHUNK_SIZE = 100;
return this._transport.messageHandler.sendWithStream("GetTextContent", {
pageIndex: this._pageIndex,
includeMarkedContent: includeMarkedContent === true,
disableNormalization: disableNormalization === true
}, {
highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
size(textContent) {
return textContent.items.length;
}
});
}
getTextContent(params = {}) {
if (this._transport._htmlForXfa) {
return this.getXfa().then(xfa => XfaText.textContent(xfa));
}
const readableStream = this.streamTextContent(params);
return new Promise(function (resolve, reject) {
function pump() {
reader.read().then(function ({
value,
done
}) {
if (done) {
resolve(textContent);
return;
}
textContent.lang ??= value.lang;
Object.assign(textContent.styles, value.styles);
textContent.items.push(...value.items);
pump();
}, reject);
}
const reader = readableStream.getReader();
const textContent = {
items: [],
styles: Object.create(null),
lang: null
};
pump();
});
}
getStructTree() {
return this._transport.getStructTree(this._pageIndex);
}
_destroy() {
this.destroyed = true;
const waitOn = [];
for (const intentState of this._intentStates.values()) {
this._abortOperatorList({
intentState,
reason: new Error("Page was destroyed."),
force: true
});
if (intentState.opListReadCapability) {
continue;
}
for (const internalRenderTask of intentState.renderTasks) {
waitOn.push(internalRenderTask.completed);
internalRenderTask.cancel();
}
}
this.objs.clear();
this.#pendingCleanup = false;
this.#abortDelayedCleanup();
return Promise.all(waitOn);
}
cleanup(resetStats = false) {
this.#pendingCleanup = true;
const success = this.#tryCleanup(false);
if (resetStats && success) {
this._stats &&= new StatTimer();
}
return success;
}
#tryCleanup(delayed = false) {
this.#abortDelayedCleanup();
if (!this.#pendingCleanup || this.destroyed) {
return false;
}
if (delayed) {
this.#delayedCleanupTimeout = setTimeout(() => {
this.#delayedCleanupTimeout = null;
this.#tryCleanup(false);
}, DELAYED_CLEANUP_TIMEOUT);
return false;
}
for (const {
renderTasks,
operatorList
} of this._intentStates.values()) {
if (renderTasks.size > 0 || !operatorList.lastChunk) {
return false;
}
}
this._intentStates.clear();
this.objs.clear();
this.#pendingCleanup = false;
return true;
}
#abortDelayedCleanup() {
if (this.#delayedCleanupTimeout) {
clearTimeout(this.#delayedCleanupTimeout);
this.#delayedCleanupTimeout = null;
}
}
_startRenderPage(transparency, cacheKey) {
const intentState = this._intentStates.get(cacheKey);
if (!intentState) {
return;
}
this._stats?.timeEnd("Page Request");
intentState.displayReadyCapability?.resolve(transparency);
}
_renderPageChunk(operatorListChunk, intentState) {
for (let i = 0, ii = operatorListChunk.length; i < ii; i++) {
intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
}
intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
intentState.operatorList.separateAnnots = operatorListChunk.separateAnnots;
for (const internalRenderTask of intentState.renderTasks) {
internalRenderTask.operatorListChanged();
}
if (operatorListChunk.lastChunk) {
this.#tryCleanup(true);
}
}
_pumpOperatorList({
renderingIntent,
cacheKey,
annotationStorageSerializable
}) {
const {
map,
transfer
} = annotationStorageSerializable;
const readableStream = this._transport.messageHandler.sendWithStream("GetOperatorList", {
pageIndex: this._pageIndex,
intent: renderingIntent,
cacheKey,
annotationStorage: map
}, transfer);
const reader = readableStream.getReader();
const intentState = this._intentStates.get(cacheKey);
intentState.streamReader = reader;
const pump = () => {
reader.read().then(({
value,
done
}) => {
if (done) {
intentState.streamReader = null;
return;
}
if (this._transport.destroyed) {
return;
}
this._renderPageChunk(value, intentState);
pump();
}, reason => {
intentState.streamReader = null;
if (this._transport.destroyed) {
return;
}
if (intentState.operatorList) {
intentState.operatorList.lastChunk = true;
for (const internalRenderTask of intentState.renderTasks) {
internalRenderTask.operatorListChanged();
}
this.#tryCleanup(true);
}
if (intentState.displayReadyCapability) {
intentState.displayReadyCapability.reject(reason);
} else if (intentState.opListReadCapability) {
intentState.opListReadCapability.reject(reason);
} else {
throw reason;
}
});
};
pump();
}
_abortOperatorList({
intentState,
reason,
force = false
}) {
if (!intentState.streamReader) {
return;
}
if (intentState.streamReaderCancelTimeout) {
clearTimeout(intentState.streamReaderCancelTimeout);
intentState.streamReaderCancelTimeout = null;
}
if (!force) {
if (intentState.renderTasks.size > 0) {
return;
}
if (reason instanceof RenderingCancelledException) {
let delay = RENDERING_CANCELLED_TIMEOUT;
if (reason.extraDelay > 0 && reason.extraDelay < 1000) {
delay += reason.extraDelay;
}
intentState.streamReaderCancelTimeout = setTimeout(() => {
intentState.streamReaderCancelTimeout = null;
this._abortOperatorList({
intentState,
reason,
force: true
});
}, delay);
return;
}
}
intentState.streamReader.cancel(new AbortException(reason.message)).catch(() => {});
intentState.streamReader = null;
if (this._transport.destroyed) {
return;
}
for (const [curCacheKey, curIntentState] of this._intentStates) {
if (curIntentState === intentState) {
this._intentStates.delete(curCacheKey);
break;
}
}
this.cleanup();
}
get stats() {
return this._stats;
}
}
class LoopbackPort {
#listeners = new Set();
#deferred = Promise.resolve();
postMessage(obj, transfer) {
const event = {
data: structuredClone(obj, transfer ? {
transfer
} : null)
};
this.#deferred.then(() => {
for (const listener of this.#listeners) {
listener.call(this, event);
}
});
}
addEventListener(name, listener) {
this.#listeners.add(listener);
}
removeEventListener(name, listener) {
this.#listeners.delete(listener);
}
terminate() {
this.#listeners.clear();
}
}
const PDFWorkerUtil = {
isWorkerDisabled: false,
fakeWorkerId: 0
};
{
if (isNodeJS) {
PDFWorkerUtil.isWorkerDisabled = true;
GlobalWorkerOptions.workerSrc ||= "./pdf.worker.mjs";
}
PDFWorkerUtil.isSameOrigin = function (baseUrl, otherUrl) {
let base;
try {
base = new URL(baseUrl);
if (!base.origin || base.origin === "null") {
return false;
}
} catch {
return false;
}
const other = new URL(otherUrl, base);
return base.origin === other.origin;
};
PDFWorkerUtil.createCDNWrapper = function (url) {
const wrapper = `await import("${url}");`;
return URL.createObjectURL(new Blob([wrapper], {
type: "text/javascript"
}));
};
}
class PDFWorker {
static #workerPorts;
constructor({
name = null,
port = null,
verbosity = getVerbosityLevel()
} = {}) {
this.name = name;
this.destroyed = false;
this.verbosity = verbosity;
this._readyCapability = Promise.withResolvers();
this._port = null;
this._webWorker = null;
this._messageHandler = null;
if (port) {
if (PDFWorker.#workerPorts?.has(port)) {
throw new Error("Cannot use more than one PDFWorker per port.");
}
(PDFWorker.#workerPorts ||= new WeakMap()).set(port, this);
this._initializeFromPort(port);
return;
}
this._initialize();
}
get promise() {
if (isNodeJS) {
return Promise.all([NodePackages.promise, this._readyCapability.promise]);
}
return this._readyCapability.promise;
}
get port() {
return this._port;
}
get messageHandler() {
return this._messageHandler;
}
_initializeFromPort(port) {
this._port = port;
this._messageHandler = new MessageHandler("main", "worker", port);
this._messageHandler.on("ready", function () {});
this._readyCapability.resolve();
this._messageHandler.send("configure", {
verbosity: this.verbosity
});
}
_initialize() {
if (!PDFWorkerUtil.isWorkerDisabled && !PDFWorker.#mainThreadWorkerMessageHandler) {
let {
workerSrc
} = PDFWorker;
try {
if (!PDFWorkerUtil.isSameOrigin(window.location.href, workerSrc)) {
workerSrc = PDFWorkerUtil.createCDNWrapper(new URL(workerSrc, window.location).href);
}
const worker = new Worker(workerSrc, {
type: "module"
});
const messageHandler = new MessageHandler("main", "worker", worker);
const terminateEarly = () => {
worker.removeEventListener("error", onWorkerError);
messageHandler.destroy();
worker.terminate();
if (this.destroyed) {
this._readyCapability.reject(new Error("Worker was destroyed"));
} else {
this._setupFakeWorker();
}
};
const onWorkerError = () => {
if (!this._webWorker) {
terminateEarly();
}
};
worker.addEventListener("error", onWorkerError);
messageHandler.on("test", data => {
worker.removeEventListener("error", onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
if (data) {
this._messageHandler = messageHandler;
this._port = worker;
this._webWorker = worker;
this._readyCapability.resolve();
messageHandler.send("configure", {
verbosity: this.verbosity
});
} else {
this._setupFakeWorker();
messageHandler.destroy();
worker.terminate();
}
});
messageHandler.on("ready", data => {
worker.removeEventListener("error", onWorkerError);
if (this.destroyed) {
terminateEarly();
return;
}
try {
sendTest();
} catch {
this._setupFakeWorker();
}
});
const sendTest = () => {
const testObj = new Uint8Array();
messageHandler.send("test", testObj, [testObj.buffer]);
};
sendTest();
return;
} catch {
info("The worker has been disabled.");
}
}
this._setupFakeWorker();
}
_setupFakeWorker() {
if (!PDFWorkerUtil.isWorkerDisabled) {
warn("Setting up fake worker.");
PDFWorkerUtil.isWorkerDisabled = true;
}
PDFWorker._setupFakeWorkerGlobal.then(WorkerMessageHandler => {
if (this.destroyed) {
this._readyCapability.reject(new Error("Worker was destroyed"));
return;
}
const port = new LoopbackPort();
this._port = port;
const id = `fake${PDFWorkerUtil.fakeWorkerId++}`;
const workerHandler = new MessageHandler(id + "_worker", id, port);
WorkerMessageHandler.setup(workerHandler, port);
const messageHandler = new MessageHandler(id, id + "_worker", port);
this._messageHandler = messageHandler;
this._readyCapability.resolve();
messageHandler.send("configure", {
verbosity: this.verbosity
});
}).catch(reason => {
this._readyCapability.reject(new Error(`Setting up fake worker failed: "${reason.message}".`));
});
}
destroy() {
this.destroyed = true;
if (this._webWorker) {
this._webWorker.terminate();
this._webWorker = null;
}
PDFWorker.#workerPorts?.delete(this._port);
this._port = null;
if (this._messageHandler) {
this._messageHandler.destroy();
this._messageHandler = null;
}
}
static fromPort(params) {
if (!params?.port) {
throw new Error("PDFWorker.fromPort - invalid method signature.");
}
const cachedPort = this.#workerPorts?.get(params.port);
if (cachedPort) {
if (cachedPort._pendingDestroy) {
throw new Error("PDFWorker.fromPort - the worker is being destroyed.\n" + "Please remember to await `PDFDocumentLoadingTask.destroy()`-calls.");
}
return cachedPort;
}
return new PDFWorker(params);
}
static get workerSrc() {
if (GlobalWorkerOptions.workerSrc) {
return GlobalWorkerOptions.workerSrc;
}
throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
}
static get #mainThreadWorkerMessageHandler() {
try {
return globalThis.pdfjsWorker?.WorkerMessageHandler || null;
} catch {
return null;
}
}
static get _setupFakeWorkerGlobal() {
const loader = async () => {
if (this.#mainThreadWorkerMessageHandler) {
return this.#mainThreadWorkerMessageHandler;
}
const worker = await import( /*webpackIgnore: true*/this.workerSrc);
return worker.WorkerMessageHandler;
};
return shadow(this, "_setupFakeWorkerGlobal", loader());
}
}
class WorkerTransport {
#methodPromises = new Map();
#pageCache = new Map();
#pagePromises = new Map();
#pageRefCache = new Map();
#passwordCapability = null;
constructor(messageHandler, loadingTask, networkStream, params, factory) {
this.messageHandler = messageHandler;
this.loadingTask = loadingTask;
this.commonObjs = new PDFObjects();
this.fontLoader = new FontLoader({
ownerDocument: params.ownerDocument,
styleElement: params.styleElement
});
this.loadingParams = params.loadingParams;
this._params = params;
this.canvasFactory = factory.canvasFactory;
this.filterFactory = factory.filterFactory;
this.cMapReaderFactory = factory.cMapReaderFactory;
this.standardFontDataFactory = factory.standardFontDataFactory;
this.destroyed = false;
this.destroyCapability = null;
this._networkStream = networkStream;
this._fullReader = null;
this._lastProgress = null;
this.downloadInfoCapability = Promise.withResolvers();
this.setupMessageHandler();
}
#cacheSimpleMethod(name, data = null) {
const cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise(name, data);
this.#methodPromises.set(name, promise);
return promise;
}
get annotationStorage() {
return shadow(this, "annotationStorage", new AnnotationStorage());
}
getRenderingIntent(intent, annotationMode = AnnotationMode.ENABLE, printAnnotationStorage = null, isOpList = false) {
let renderingIntent = RenderingIntentFlag.DISPLAY;
let annotationStorageSerializable = SerializableEmpty;
switch (intent) {
case "any":
renderingIntent = RenderingIntentFlag.ANY;
break;
case "display":
break;
case "print":
renderingIntent = RenderingIntentFlag.PRINT;
break;
default:
warn(`getRenderingIntent - invalid intent: ${intent}`);
}
switch (annotationMode) {
case AnnotationMode.DISABLE:
renderingIntent += RenderingIntentFlag.ANNOTATIONS_DISABLE;
break;
case AnnotationMode.ENABLE:
break;
case AnnotationMode.ENABLE_FORMS:
renderingIntent += RenderingIntentFlag.ANNOTATIONS_FORMS;
break;
case AnnotationMode.ENABLE_STORAGE:
renderingIntent += RenderingIntentFlag.ANNOTATIONS_STORAGE;
const annotationStorage = renderingIntent & RenderingIntentFlag.PRINT && printAnnotationStorage instanceof PrintAnnotationStorage ? printAnnotationStorage : this.annotationStorage;
annotationStorageSerializable = annotationStorage.serializable;
break;
default:
warn(`getRenderingIntent - invalid annotationMode: ${annotationMode}`);
}
if (isOpList) {
renderingIntent += RenderingIntentFlag.OPLIST;
}
return {
renderingIntent,
cacheKey: `${renderingIntent}_${annotationStorageSerializable.hash}`,
annotationStorageSerializable
};
}
destroy() {
if (this.destroyCapability) {
return this.destroyCapability.promise;
}
this.destroyed = true;
this.destroyCapability = Promise.withResolvers();
this.#passwordCapability?.reject(new Error("Worker was destroyed during onPassword callback"));
const waitOn = [];
for (const page of this.#pageCache.values()) {
waitOn.push(page._destroy());
}
this.#pageCache.clear();
this.#pagePromises.clear();
this.#pageRefCache.clear();
if (this.hasOwnProperty("annotationStorage")) {
this.annotationStorage.resetModified();
}
const terminated = this.messageHandler.sendWithPromise("Terminate", null);
waitOn.push(terminated);
Promise.all(waitOn).then(() => {
this.commonObjs.clear();
this.fontLoader.clear();
this.#methodPromises.clear();
this.filterFactory.destroy();
TextLayer.cleanup();
this._networkStream?.cancelAllRequests(new AbortException("Worker was terminated."));
if (this.messageHandler) {
this.messageHandler.destroy();
this.messageHandler = null;
}
this.destroyCapability.resolve();
}, this.destroyCapability.reject);
return this.destroyCapability.promise;
}
setupMessageHandler() {
const {
messageHandler,
loadingTask
} = this;
messageHandler.on("GetReader", (data, sink) => {
assert(this._networkStream, "GetReader - no `IPDFStream` instance available.");
this._fullReader = this._networkStream.getFullReader();
this._fullReader.onProgress = evt => {
this._lastProgress = {
loaded: evt.loaded,
total: evt.total
};
};
sink.onPull = () => {
this._fullReader.read().then(function ({
value,
done
}) {
if (done) {
sink.close();
return;
}
assert(value instanceof ArrayBuffer, "GetReader - expected an ArrayBuffer.");
sink.enqueue(new Uint8Array(value), 1, [value]);
}).catch(reason => {
sink.error(reason);
});
};
sink.onCancel = reason => {
this._fullReader.cancel(reason);
sink.ready.catch(readyReason => {
if (this.destroyed) {
return;
}
throw readyReason;
});
};
});
messageHandler.on("ReaderHeadersReady", data => {
const headersCapability = Promise.withResolvers();
const fullReader = this._fullReader;
fullReader.headersReady.then(() => {
if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
if (this._lastProgress) {
loadingTask.onProgress?.(this._lastProgress);
}
fullReader.onProgress = evt => {
loadingTask.onProgress?.({
loaded: evt.loaded,
total: evt.total
});
};
}
headersCapability.resolve({
isStreamingSupported: fullReader.isStreamingSupported,
isRangeSupported: fullReader.isRangeSupported,
contentLength: fullReader.contentLength
});
}, headersCapability.reject);
return headersCapability.promise;
});
messageHandler.on("GetRangeReader", (data, sink) => {
assert(this._networkStream, "GetRangeReader - no `IPDFStream` instance available.");
const rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
if (!rangeReader) {
sink.close();
return;
}
sink.onPull = () => {
rangeReader.read().then(function ({
value,
done
}) {
if (done) {
sink.close();
return;
}
assert(value instanceof ArrayBuffer, "GetRangeReader - expected an ArrayBuffer.");
sink.enqueue(new Uint8Array(value), 1, [value]);
}).catch(reason => {
sink.error(reason);
});
};
sink.onCancel = reason => {
rangeReader.cancel(reason);
sink.ready.catch(readyReason => {
if (this.destroyed) {
return;
}
throw readyReason;
});
};
});
messageHandler.on("GetDoc", ({
pdfInfo
}) => {
this._numPages = pdfInfo.numPages;
this._htmlForXfa = pdfInfo.htmlForXfa;
delete pdfInfo.htmlForXfa;
loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
});
messageHandler.on("DocException", function (ex) {
let reason;
switch (ex.name) {
case "PasswordException":
reason = new PasswordException(ex.message, ex.code);
break;
case "InvalidPDFException":
reason = new InvalidPDFException(ex.message);
break;
case "MissingPDFException":
reason = new MissingPDFException(ex.message);
break;
case "UnexpectedResponseException":
reason = new UnexpectedResponseException(ex.message, ex.status);
break;
case "UnknownErrorException":
reason = new UnknownErrorException(ex.message, ex.details);
break;
default:
unreachable("DocException - expected a valid Error.");
}
loadingTask._capability.reject(reason);
});
messageHandler.on("PasswordRequest", exception => {
this.#passwordCapability = Promise.withResolvers();
if (loadingTask.onPassword) {
const updatePassword = password => {
if (password instanceof Error) {
this.#passwordCapability.reject(password);
} else {
this.#passwordCapability.resolve({
password
});
}
};
try {
loadingTask.onPassword(updatePassword, exception.code);
} catch (ex) {
this.#passwordCapability.reject(ex);
}
} else {
this.#passwordCapability.reject(new PasswordException(exception.message, exception.code));
}
return this.#passwordCapability.promise;
});
messageHandler.on("DataLoaded", data => {
loadingTask.onProgress?.({
loaded: data.length,
total: data.length
});
this.downloadInfoCapability.resolve(data);
});
messageHandler.on("StartRenderPage", data => {
if (this.destroyed) {
return;
}
const page = this.#pageCache.get(data.pageIndex);
page._startRenderPage(data.transparency, data.cacheKey);
});
messageHandler.on("commonobj", ([id, type, exportedData]) => {
if (this.destroyed) {
return null;
}
if (this.commonObjs.has(id)) {
return null;
}
switch (type) {
case "Font":
const {
disableFontFace,
fontExtraProperties,
pdfBug
} = this._params;
if ("error" in exportedData) {
const exportedError = exportedData.error;
warn(`Error during font loading: ${exportedError}`);
this.commonObjs.resolve(id, exportedError);
break;
}
const inspectFont = pdfBug && globalThis.FontInspector?.enabled ? (font, url) => globalThis.FontInspector.fontAdded(font, url) : null;
const font = new FontFaceObject(exportedData, {
disableFontFace,
inspectFont
});
this.fontLoader.bind(font).catch(() => messageHandler.sendWithPromise("FontFallback", {
id
})).finally(() => {
if (!fontExtraProperties && font.data) {
font.data = null;
}
this.commonObjs.resolve(id, font);
});
break;
case "CopyLocalImage":
const {
imageRef
} = exportedData;
assert(imageRef, "The imageRef must be defined.");
for (const pageProxy of this.#pageCache.values()) {
for (const [, data] of pageProxy.objs) {
if (data?.ref !== imageRef) {
continue;
}
if (!data.dataLen) {
return null;
}
this.commonObjs.resolve(id, structuredClone(data));
return data.dataLen;
}
}
break;
case "FontPath":
case "Image":
case "Pattern":
this.commonObjs.resolve(id, exportedData);
break;
default:
throw new Error(`Got unknown common object type ${type}`);
}
return null;
});
messageHandler.on("obj", ([id, pageIndex, type, imageData]) => {
if (this.destroyed) {
return;
}
const pageProxy = this.#pageCache.get(pageIndex);
if (pageProxy.objs.has(id)) {
return;
}
if (pageProxy._intentStates.size === 0) {
imageData?.bitmap?.close();
return;
}
switch (type) {
case "Image":
pageProxy.objs.resolve(id, imageData);
if (imageData?.dataLen > MAX_IMAGE_SIZE_TO_CACHE) {
pageProxy._maybeCleanupAfterRender = true;
}
break;
case "Pattern":
pageProxy.objs.resolve(id, imageData);
break;
default:
throw new Error(`Got unknown object type ${type}`);
}
});
messageHandler.on("DocProgress", data => {
if (this.destroyed) {
return;
}
loadingTask.onProgress?.({
loaded: data.loaded,
total: data.total
});
});
messageHandler.on("FetchBuiltInCMap", data => {
if (this.destroyed) {
return Promise.reject(new Error("Worker was destroyed."));
}
if (!this.cMapReaderFactory) {
return Promise.reject(new Error("CMapReaderFactory not initialized, see the `useWorkerFetch` parameter."));
}
return this.cMapReaderFactory.fetch(data);
});
messageHandler.on("FetchStandardFontData", data => {
if (this.destroyed) {
return Promise.reject(new Error("Worker was destroyed."));
}
if (!this.standardFontDataFactory) {
return Promise.reject(new Error("StandardFontDataFactory not initialized, see the `useWorkerFetch` parameter."));
}
return this.standardFontDataFactory.fetch(data);
});
}
getData() {
return this.messageHandler.sendWithPromise("GetData", null);
}
saveDocument() {
if (this.annotationStorage.size <= 0) {
warn("saveDocument called while `annotationStorage` is empty, " + "please use the getData-method instead.");
}
const {
map,
transfer
} = this.annotationStorage.serializable;
return this.messageHandler.sendWithPromise("SaveDocument", {
isPureXfa: !!this._htmlForXfa,
numPages: this._numPages,
annotationStorage: map,
filename: this._fullReader?.filename ?? null
}, transfer).finally(() => {
this.annotationStorage.resetModified();
});
}
getPage(pageNumber) {
if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
return Promise.reject(new Error("Invalid page request."));
}
const pageIndex = pageNumber - 1,
cachedPromise = this.#pagePromises.get(pageIndex);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise("GetPage", {
pageIndex
}).then(pageInfo => {
if (this.destroyed) {
throw new Error("Transport destroyed");
}
if (pageInfo.refStr) {
this.#pageRefCache.set(pageInfo.refStr, pageNumber);
}
const page = new PDFPageProxy(pageIndex, pageInfo, this, this._params.pdfBug);
this.#pageCache.set(pageIndex, page);
return page;
});
this.#pagePromises.set(pageIndex, promise);
return promise;
}
getPageIndex(ref) {
if (!isRefProxy(ref)) {
return Promise.reject(new Error("Invalid pageIndex request."));
}
return this.messageHandler.sendWithPromise("GetPageIndex", {
num: ref.num,
gen: ref.gen
});
}
getAnnotations(pageIndex, intent) {
return this.messageHandler.sendWithPromise("GetAnnotations", {
pageIndex,
intent
});
}
getFieldObjects() {
return this.#cacheSimpleMethod("GetFieldObjects");
}
hasJSActions() {
return this.#cacheSimpleMethod("HasJSActions");
}
getCalculationOrderIds() {
return this.messageHandler.sendWithPromise("GetCalculationOrderIds", null);
}
getDestinations() {
return this.messageHandler.sendWithPromise("GetDestinations", null);
}
getDestination(id) {
if (typeof id !== "string") {
return Promise.reject(new Error("Invalid destination request."));
}
return this.messageHandler.sendWithPromise("GetDestination", {
id
});
}
getPageLabels() {
return this.messageHandler.sendWithPromise("GetPageLabels", null);
}
getPageLayout() {
return this.messageHandler.sendWithPromise("GetPageLayout", null);
}
getPageMode() {
return this.messageHandler.sendWithPromise("GetPageMode", null);
}
getViewerPreferences() {
return this.messageHandler.sendWithPromise("GetViewerPreferences", null);
}
getOpenAction() {
return this.messageHandler.sendWithPromise("GetOpenAction", null);
}
getAttachments() {
return this.messageHandler.sendWithPromise("GetAttachments", null);
}
getDocJSActions() {
return this.#cacheSimpleMethod("GetDocJSActions");
}
getPageJSActions(pageIndex) {
return this.messageHandler.sendWithPromise("GetPageJSActions", {
pageIndex
});
}
getStructTree(pageIndex) {
return this.messageHandler.sendWithPromise("GetStructTree", {
pageIndex
});
}
getOutline() {
return this.messageHandler.sendWithPromise("GetOutline", null);
}
getOptionalContentConfig(renderingIntent) {
return this.#cacheSimpleMethod("GetOptionalContentConfig").then(data => new OptionalContentConfig(data, renderingIntent));
}
getPermissions() {
return this.messageHandler.sendWithPromise("GetPermissions", null);
}
getMetadata() {
const name = "GetMetadata",
cachedPromise = this.#methodPromises.get(name);
if (cachedPromise) {
return cachedPromise;
}
const promise = this.messageHandler.sendWithPromise(name, null).then(results => ({
info: results[0],
metadata: results[1] ? new Metadata(results[1]) : null,
contentDispositionFilename: this._fullReader?.filename ?? null,
contentLength: this._fullReader?.contentLength ?? null
}));
this.#methodPromises.set(name, promise);
return promise;
}
getMarkInfo() {
return this.messageHandler.sendWithPromise("GetMarkInfo", null);
}
async startCleanup(keepLoadedFonts = false) {
if (this.destroyed) {
return;
}
await this.messageHandler.sendWithPromise("Cleanup", null);
for (const page of this.#pageCache.values()) {
const cleanupSuccessful = page.cleanup();
if (!cleanupSuccessful) {
throw new Error(`startCleanup: Page ${page.pageNumber} is currently rendering.`);
}
}
this.commonObjs.clear();
if (!keepLoadedFonts) {
this.fontLoader.clear();
}
this.#methodPromises.clear();
this.filterFactory.destroy(true);
TextLayer.cleanup();
}
cachedPageNumber(ref) {
if (!isRefProxy(ref)) {
return null;
}
const refStr = ref.gen === 0 ? `${ref.num}R` : `${ref.num}R${ref.gen}`;
return this.#pageRefCache.get(refStr) ?? null;
}
}
const INITIAL_DATA = Symbol("INITIAL_DATA");
class PDFObjects {
#objs = Object.create(null);
#ensureObj(objId) {
return this.#objs[objId] ||= {
...Promise.withResolvers(),
data: INITIAL_DATA
};
}
get(objId, callback = null) {
if (callback) {
const obj = this.#ensureObj(objId);
obj.promise.then(() => callback(obj.data));
return null;
}
const obj = this.#objs[objId];
if (!obj || obj.data === INITIAL_DATA) {
throw new Error(`Requesting object that isn't resolved yet ${objId}.`);
}
return obj.data;
}
has(objId) {
const obj = this.#objs[objId];
return !!obj && obj.data !== INITIAL_DATA;
}
resolve(objId, data = null) {
const obj = this.#ensureObj(objId);
obj.data = data;
obj.resolve();
}
clear() {
for (const objId in this.#objs) {
const {
data
} = this.#objs[objId];
data?.bitmap?.close();
}
this.#objs = Object.create(null);
}
*[Symbol.iterator]() {
for (const objId in this.#objs) {
const {
data
} = this.#objs[objId];
if (data === INITIAL_DATA) {
continue;
}
yield [objId, data];
}
}
}
class RenderTask {
#internalRenderTask = null;
constructor(internalRenderTask) {
this.#internalRenderTask = internalRenderTask;
this.onContinue = null;
}
get promise() {
return this.#internalRenderTask.capability.promise;
}
cancel(extraDelay = 0) {
this.#internalRenderTask.cancel(null, extraDelay);
}
get separateAnnots() {
const {
separateAnnots
} = this.#internalRenderTask.operatorList;
if (!separateAnnots) {
return false;
}
const {
annotationCanvasMap
} = this.#internalRenderTask;
return separateAnnots.form || separateAnnots.canvas && annotationCanvasMap?.size > 0;
}
}
class InternalRenderTask {
static #canvasInUse = new WeakSet();
constructor({
callback,
params,
objs,
commonObjs,
annotationCanvasMap,
operatorList,
pageIndex,
canvasFactory,
filterFactory,
useRequestAnimationFrame = false,
pdfBug = false,
pageColors = null
}) {
this.callback = callback;
this.params = params;
this.objs = objs;
this.commonObjs = commonObjs;
this.annotationCanvasMap = annotationCanvasMap;
this.operatorListIdx = null;
this.operatorList = operatorList;
this._pageIndex = pageIndex;
this.canvasFactory = canvasFactory;
this.filterFactory = filterFactory;
this._pdfBug = pdfBug;
this.pageColors = pageColors;
this.running = false;
this.graphicsReadyCallback = null;
this.graphicsReady = false;
this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== "undefined";
this.cancelled = false;
this.capability = Promise.withResolvers();
this.task = new RenderTask(this);
this._cancelBound = this.cancel.bind(this);
this._continueBound = this._continue.bind(this);
this._scheduleNextBound = this._scheduleNext.bind(this);
this._nextBound = this._next.bind(this);
this._canvas = params.canvasContext.canvas;
}
get completed() {
return this.capability.promise.catch(function () {});
}
initializeGraphics({
transparency = false,
optionalContentConfig
}) {
if (this.cancelled) {
return;
}
if (this._canvas) {
if (InternalRenderTask.#canvasInUse.has(this._canvas)) {
throw new Error("Cannot use the same canvas during multiple render() operations. " + "Use different canvas or ensure previous operations were " + "cancelled or completed.");
}
InternalRenderTask.#canvasInUse.add(this._canvas);
}
if (this._pdfBug && globalThis.StepperManager?.enabled) {
this.stepper = globalThis.StepperManager.create(this._pageIndex);
this.stepper.init(this.operatorList);
this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
}
const {
canvasContext,
viewport,
transform,
background
} = this.params;
this.gfx = new CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.filterFactory, {
optionalContentConfig
}, this.annotationCanvasMap, this.pageColors);
this.gfx.beginDrawing({
transform,
viewport,
transparency,
background
});
this.operatorListIdx = 0;
this.graphicsReady = true;
this.graphicsReadyCallback?.();
}
cancel(error = null, extraDelay = 0) {
this.running = false;
this.cancelled = true;
this.gfx?.endDrawing();
InternalRenderTask.#canvasInUse.delete(this._canvas);
this.callback(error || new RenderingCancelledException(`Rendering cancelled, page ${this._pageIndex + 1}`, extraDelay));
}
operatorListChanged() {
if (!this.graphicsReady) {
this.graphicsReadyCallback ||= this._continueBound;
return;
}
this.stepper?.updateOperatorList(this.operatorList);
if (this.running) {
return;
}
this._continue();
}
_continue() {
this.running = true;
if (this.cancelled) {
return;
}
if (this.task.onContinue) {
this.task.onContinue(this._scheduleNextBound);
} else {
this._scheduleNext();
}
}
_scheduleNext() {
if (this._useRequestAnimationFrame) {
window.requestAnimationFrame(() => {
this._nextBound().catch(this._cancelBound);
});
} else {
Promise.resolve().then(this._nextBound).catch(this._cancelBound);
}
}
async _next() {
if (this.cancelled) {
return;
}
this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
if (this.operatorListIdx === this.operatorList.argsArray.length) {
this.running = false;
if (this.operatorList.lastChunk) {
this.gfx.endDrawing();
InternalRenderTask.#canvasInUse.delete(this._canvas);
this.callback();
}
}
}
}
const version = "4.3.136";
const build = "0cec64437";
;// CONCATENATED MODULE: ./src/shared/scripting_utils.js
function makeColorComp(n) {
return Math.floor(Math.max(0, Math.min(1, n)) * 255).toString(16).padStart(2, "0");
}
function scaleAndClamp(x) {
return Math.max(0, Math.min(255, 255 * x));
}
class ColorConverters {
static CMYK_G([c, y, m, k]) {
return ["G", 1 - Math.min(1, 0.3 * c + 0.59 * m + 0.11 * y + k)];
}
static G_CMYK([g]) {
return ["CMYK", 0, 0, 0, 1 - g];
}
static G_RGB([g]) {
return ["RGB", g, g, g];
}
static G_rgb([g]) {
g = scaleAndClamp(g);
return [g, g, g];
}
static G_HTML([g]) {
const G = makeColorComp(g);
return `#${G}${G}${G}`;
}
static RGB_G([r, g, b]) {
return ["G", 0.3 * r + 0.59 * g + 0.11 * b];
}
static RGB_rgb(color) {
return color.map(scaleAndClamp);
}
static RGB_HTML(color) {
return `#${color.map(makeColorComp).join("")}`;
}
static T_HTML() {
return "#00000000";
}
static T_rgb() {
return [null];
}
static CMYK_RGB([c, y, m, k]) {
return ["RGB", 1 - Math.min(1, c + k), 1 - Math.min(1, m + k), 1 - Math.min(1, y + k)];
}
static CMYK_rgb([c, y, m, k]) {
return [scaleAndClamp(1 - Math.min(1, c + k)), scaleAndClamp(1 - Math.min(1, m + k)), scaleAndClamp(1 - Math.min(1, y + k))];
}
static CMYK_HTML(components) {
const rgb = this.CMYK_RGB(components).slice(1);
return this.RGB_HTML(rgb);
}
static RGB_CMYK([r, g, b]) {
const c = 1 - r;
const m = 1 - g;
const y = 1 - b;
const k = Math.min(c, m, y);
return ["CMYK", c, m, y, k];
}
}
;// CONCATENATED MODULE: ./src/display/xfa_layer.js
class XfaLayer {
static setupStorage(html, id, element, storage, intent) {
const storedData = storage.getValue(id, {
value: null
});
switch (element.name) {
case "textarea":
if (storedData.value !== null) {
html.textContent = storedData.value;
}
if (intent === "print") {
break;
}
html.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
});
break;
case "input":
if (element.attributes.type === "radio" || element.attributes.type === "checkbox") {
if (storedData.value === element.attributes.xfaOn) {
html.setAttribute("checked", true);
} else if (storedData.value === element.attributes.xfaOff) {
html.removeAttribute("checked");
}
if (intent === "print") {
break;
}
html.addEventListener("change", event => {
storage.setValue(id, {
value: event.target.checked ? event.target.getAttribute("xfaOn") : event.target.getAttribute("xfaOff")
});
});
} else {
if (storedData.value !== null) {
html.setAttribute("value", storedData.value);
}
if (intent === "print") {
break;
}
html.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
});
}
break;
case "select":
if (storedData.value !== null) {
html.setAttribute("value", storedData.value);
for (const option of element.children) {
if (option.attributes.value === storedData.value) {
option.attributes.selected = true;
} else if (option.attributes.hasOwnProperty("selected")) {
delete option.attributes.selected;
}
}
}
html.addEventListener("input", event => {
const options = event.target.options;
const value = options.selectedIndex === -1 ? "" : options[options.selectedIndex].value;
storage.setValue(id, {
value
});
});
break;
}
}
static setAttributes({
html,
element,
storage = null,
intent,
linkService
}) {
const {
attributes
} = element;
const isHTMLAnchorElement = html instanceof HTMLAnchorElement;
if (attributes.type === "radio") {
attributes.name = `${attributes.name}-${intent}`;
}
for (const [key, value] of Object.entries(attributes)) {
if (value === null || value === undefined) {
continue;
}
switch (key) {
case "class":
if (value.length) {
html.setAttribute(key, value.join(" "));
}
break;
case "dataId":
break;
case "id":
html.setAttribute("data-element-id", value);
break;
case "style":
Object.assign(html.style, value);
break;
case "textContent":
html.textContent = value;
break;
default:
if (!isHTMLAnchorElement || key !== "href" && key !== "newWindow") {
html.setAttribute(key, value);
}
}
}
if (isHTMLAnchorElement) {
linkService.addLinkAttributes(html, attributes.href, attributes.newWindow);
}
if (storage && attributes.dataId) {
this.setupStorage(html, attributes.dataId, element, storage);
}
}
static render(parameters) {
const storage = parameters.annotationStorage;
const linkService = parameters.linkService;
const root = parameters.xfaHtml;
const intent = parameters.intent || "display";
const rootHtml = document.createElement(root.name);
if (root.attributes) {
this.setAttributes({
html: rootHtml,
element: root,
intent,
linkService
});
}
const isNotForRichText = intent !== "richText";
const rootDiv = parameters.div;
rootDiv.append(rootHtml);
if (parameters.viewport) {
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
rootDiv.style.transform = transform;
}
if (isNotForRichText) {
rootDiv.setAttribute("class", "xfaLayer xfaFont");
}
const textDivs = [];
if (root.children.length === 0) {
if (root.value) {
const node = document.createTextNode(root.value);
rootHtml.append(node);
if (isNotForRichText && XfaText.shouldBuildText(root.name)) {
textDivs.push(node);
}
}
return {
textDivs
};
}
const stack = [[root, -1, rootHtml]];
while (stack.length > 0) {
const [parent, i, html] = stack.at(-1);
if (i + 1 === parent.children.length) {
stack.pop();
continue;
}
const child = parent.children[++stack.at(-1)[1]];
if (child === null) {
continue;
}
const {
name
} = child;
if (name === "#text") {
const node = document.createTextNode(child.value);
textDivs.push(node);
html.append(node);
continue;
}
const childHtml = child?.attributes?.xmlns ? document.createElementNS(child.attributes.xmlns, name) : document.createElement(name);
html.append(childHtml);
if (child.attributes) {
this.setAttributes({
html: childHtml,
element: child,
storage,
intent,
linkService
});
}
if (child.children?.length > 0) {
stack.push([child, -1, childHtml]);
} else if (child.value) {
const node = document.createTextNode(child.value);
if (isNotForRichText && XfaText.shouldBuildText(name)) {
textDivs.push(node);
}
childHtml.append(node);
}
}
for (const el of rootDiv.querySelectorAll(".xfaNonInteractive input, .xfaNonInteractive textarea")) {
el.setAttribute("readOnly", true);
}
return {
textDivs
};
}
static update(parameters) {
const transform = `matrix(${parameters.viewport.transform.join(",")})`;
parameters.div.style.transform = transform;
parameters.div.hidden = false;
}
}
;// CONCATENATED MODULE: ./src/display/annotation_layer.js
const DEFAULT_TAB_INDEX = 1000;
const annotation_layer_DEFAULT_FONT_SIZE = 9;
const GetElementsByNameSet = new WeakSet();
function getRectDims(rect) {
return {
width: rect[2] - rect[0],
height: rect[3] - rect[1]
};
}
class AnnotationElementFactory {
static create(parameters) {
const subtype = parameters.data.annotationType;
switch (subtype) {
case AnnotationType.LINK:
return new LinkAnnotationElement(parameters);
case AnnotationType.TEXT:
return new TextAnnotationElement(parameters);
case AnnotationType.WIDGET:
const fieldType = parameters.data.fieldType;
switch (fieldType) {
case "Tx":
return new TextWidgetAnnotationElement(parameters);
case "Btn":
if (parameters.data.radioButton) {
return new RadioButtonWidgetAnnotationElement(parameters);
} else if (parameters.data.checkBox) {
return new CheckboxWidgetAnnotationElement(parameters);
}
return new PushButtonWidgetAnnotationElement(parameters);
case "Ch":
return new ChoiceWidgetAnnotationElement(parameters);
case "Sig":
return new SignatureWidgetAnnotationElement(parameters);
}
return new WidgetAnnotationElement(parameters);
case AnnotationType.POPUP:
return new PopupAnnotationElement(parameters);
case AnnotationType.FREETEXT:
return new FreeTextAnnotationElement(parameters);
case AnnotationType.LINE:
return new LineAnnotationElement(parameters);
case AnnotationType.SQUARE:
return new SquareAnnotationElement(parameters);
case AnnotationType.CIRCLE:
return new CircleAnnotationElement(parameters);
case AnnotationType.POLYLINE:
return new PolylineAnnotationElement(parameters);
case AnnotationType.CARET:
return new CaretAnnotationElement(parameters);
case AnnotationType.INK:
return new InkAnnotationElement(parameters);
case AnnotationType.POLYGON:
return new PolygonAnnotationElement(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.STAMP:
return new StampAnnotationElement(parameters);
case AnnotationType.FILEATTACHMENT:
return new FileAttachmentAnnotationElement(parameters);
default:
return new AnnotationElement(parameters);
}
}
}
class AnnotationElement {
#updates = null;
#hasBorder = false;
#popupElement = null;
constructor(parameters, {
isRenderable = false,
ignoreBorder = false,
createQuadrilaterals = false
} = {}) {
this.isRenderable = isRenderable;
this.data = parameters.data;
this.layer = parameters.layer;
this.linkService = parameters.linkService;
this.downloadManager = parameters.downloadManager;
this.imageResourcesPath = parameters.imageResourcesPath;
this.renderForms = parameters.renderForms;
this.svgFactory = parameters.svgFactory;
this.annotationStorage = parameters.annotationStorage;
this.enableScripting = parameters.enableScripting;
this.hasJSActions = parameters.hasJSActions;
this._fieldObjects = parameters.fieldObjects;
this.parent = parameters.parent;
if (isRenderable) {
this.container = this._createContainer(ignoreBorder);
}
if (createQuadrilaterals) {
this._createQuadrilaterals();
}
}
static _hasPopupData({
titleObj,
contentsObj,
richText
}) {
return !!(titleObj?.str || contentsObj?.str || richText?.str);
}
get hasPopupData() {
return AnnotationElement._hasPopupData(this.data);
}
updateEdited(params) {
if (!this.container) {
return;
}
this.#updates ||= {
rect: this.data.rect.slice(0)
};
const {
rect
} = params;
if (rect) {
this.#setRectEdited(rect);
}
this.#popupElement?.popup.updateEdited(params);
}
resetEdited() {
if (!this.#updates) {
return;
}
this.#setRectEdited(this.#updates.rect);
this.#popupElement?.popup.resetEdited();
this.#updates = null;
}
#setRectEdited(rect) {
const {
container: {
style
},
data: {
rect: currentRect,
rotation
},
parent: {
viewport: {
rawDims: {
pageWidth,
pageHeight,
pageX,
pageY
}
}
}
} = this;
currentRect?.splice(0, 4, ...rect);
const {
width,
height
} = getRectDims(rect);
style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
style.top = `${100 * (pageHeight - rect[3] + pageY) / pageHeight}%`;
if (rotation === 0) {
style.width = `${100 * width / pageWidth}%`;
style.height = `${100 * height / pageHeight}%`;
} else {
this.setRotation(rotation);
}
}
_createContainer(ignoreBorder) {
const {
data,
parent: {
page,
viewport
}
} = this;
const container = document.createElement("section");
container.setAttribute("data-annotation-id", data.id);
if (!(this instanceof WidgetAnnotationElement)) {
container.tabIndex = DEFAULT_TAB_INDEX;
}
const {
style
} = container;
style.zIndex = this.parent.zIndex++;
if (data.popupRef) {
container.setAttribute("aria-haspopup", "dialog");
}
if (data.alternativeText) {
container.title = data.alternativeText;
}
if (data.noRotate) {
container.classList.add("norotate");
}
if (!data.rect || this instanceof PopupAnnotationElement) {
const {
rotation
} = data;
if (!data.hasOwnCanvas && rotation !== 0) {
this.setRotation(rotation, container);
}
return container;
}
const {
width,
height
} = getRectDims(data.rect);
if (!ignoreBorder && data.borderStyle.width > 0) {
style.borderWidth = `${data.borderStyle.width}px`;
const horizontalRadius = data.borderStyle.horizontalCornerRadius;
const verticalRadius = data.borderStyle.verticalCornerRadius;
if (horizontalRadius > 0 || verticalRadius > 0) {
const radius = `calc(${horizontalRadius}px * var(--scale-factor)) / calc(${verticalRadius}px * var(--scale-factor))`;
style.borderRadius = radius;
} else if (this instanceof RadioButtonWidgetAnnotationElement) {
const radius = `calc(${width}px * var(--scale-factor)) / calc(${height}px * var(--scale-factor))`;
style.borderRadius = radius;
}
switch (data.borderStyle.style) {
case AnnotationBorderStyleType.SOLID:
style.borderStyle = "solid";
break;
case AnnotationBorderStyleType.DASHED:
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:
style.borderBottomStyle = "solid";
break;
default:
break;
}
const borderColor = data.borderColor || null;
if (borderColor) {
this.#hasBorder = true;
style.borderColor = Util.makeHexColor(borderColor[0] | 0, borderColor[1] | 0, borderColor[2] | 0);
} else {
style.borderWidth = 0;
}
}
const 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]]);
const {
pageWidth,
pageHeight,
pageX,
pageY
} = viewport.rawDims;
style.left = `${100 * (rect[0] - pageX) / pageWidth}%`;
style.top = `${100 * (rect[1] - pageY) / pageHeight}%`;
const {
rotation
} = data;
if (data.hasOwnCanvas || rotation === 0) {
style.width = `${100 * width / pageWidth}%`;
style.height = `${100 * height / pageHeight}%`;
} else {
this.setRotation(rotation, container);
}
return container;
}
setRotation(angle, container = this.container) {
if (!this.data.rect) {
return;
}
const {
pageWidth,
pageHeight
} = this.parent.viewport.rawDims;
const {
width,
height
} = getRectDims(this.data.rect);
let elementWidth, elementHeight;
if (angle % 180 === 0) {
elementWidth = 100 * width / pageWidth;
elementHeight = 100 * height / pageHeight;
} else {
elementWidth = 100 * height / pageWidth;
elementHeight = 100 * width / pageHeight;
}
container.style.width = `${elementWidth}%`;
container.style.height = `${elementHeight}%`;
container.setAttribute("data-main-rotation", (360 - angle) % 360);
}
get _commonActions() {
const setColor = (jsName, styleName, event) => {
const color = event.detail[jsName];
const colorType = color[0];
const colorArray = color.slice(1);
event.target.style[styleName] = ColorConverters[`${colorType}_HTML`](colorArray);
this.annotationStorage.setValue(this.data.id, {
[styleName]: ColorConverters[`${colorType}_rgb`](colorArray)
});
};
return shadow(this, "_commonActions", {
display: event => {
const {
display
} = event.detail;
const hidden = display % 2 === 1;
this.container.style.visibility = hidden ? "hidden" : "visible";
this.annotationStorage.setValue(this.data.id, {
noView: hidden,
noPrint: display === 1 || display === 2
});
},
print: event => {
this.annotationStorage.setValue(this.data.id, {
noPrint: !event.detail.print
});
},
hidden: event => {
const {
hidden
} = event.detail;
this.container.style.visibility = hidden ? "hidden" : "visible";
this.annotationStorage.setValue(this.data.id, {
noPrint: hidden,
noView: hidden
});
},
focus: event => {
setTimeout(() => event.target.focus({
preventScroll: false
}), 0);
},
userName: event => {
event.target.title = event.detail.userName;
},
readonly: event => {
event.target.disabled = event.detail.readonly;
},
required: event => {
this._setRequired(event.target, event.detail.required);
},
bgColor: event => {
setColor("bgColor", "backgroundColor", event);
},
fillColor: event => {
setColor("fillColor", "backgroundColor", event);
},
fgColor: event => {
setColor("fgColor", "color", event);
},
textColor: event => {
setColor("textColor", "color", event);
},
borderColor: event => {
setColor("borderColor", "borderColor", event);
},
strokeColor: event => {
setColor("strokeColor", "borderColor", event);
},
rotation: event => {
const angle = event.detail.rotation;
this.setRotation(angle);
this.annotationStorage.setValue(this.data.id, {
rotation: angle
});
}
});
}
_dispatchEventFromSandbox(actions, jsEvent) {
const commonActions = this._commonActions;
for (const name of Object.keys(jsEvent.detail)) {
const action = actions[name] || commonActions[name];
action?.(jsEvent);
}
}
_setDefaultPropertiesFromJS(element) {
if (!this.enableScripting) {
return;
}
const storedData = this.annotationStorage.getRawValue(this.data.id);
if (!storedData) {
return;
}
const commonActions = this._commonActions;
for (const [actionName, detail] of Object.entries(storedData)) {
const action = commonActions[actionName];
if (action) {
const eventProxy = {
detail: {
[actionName]: detail
},
target: element
};
action(eventProxy);
delete storedData[actionName];
}
}
}
_createQuadrilaterals() {
if (!this.container) {
return;
}
const {
quadPoints
} = this.data;
if (!quadPoints) {
return;
}
const [rectBlX, rectBlY, rectTrX, rectTrY] = this.data.rect;
if (quadPoints.length === 1) {
const [, {
x: trX,
y: trY
}, {
x: blX,
y: blY
}] = quadPoints[0];
if (rectTrX === trX && rectTrY === trY && rectBlX === blX && rectBlY === blY) {
return;
}
}
const {
style
} = this.container;
let svgBuffer;
if (this.#hasBorder) {
const {
borderColor,
borderWidth
} = style;
style.borderWidth = 0;
svgBuffer = ["url('data:image/svg+xml;utf8,", `<svg xmlns="http://www.w3.org/2000/svg"`, ` preserveAspectRatio="none" viewBox="0 0 1 1">`, `<g fill="transparent" stroke="${borderColor}" stroke-width="${borderWidth}">`];
this.container.classList.add("hasBorder");
}
const width = rectTrX - rectBlX;
const height = rectTrY - rectBlY;
const {
svgFactory
} = this;
const svg = svgFactory.createElement("svg");
svg.classList.add("quadrilateralsContainer");
svg.setAttribute("width", 0);
svg.setAttribute("height", 0);
const defs = svgFactory.createElement("defs");
svg.append(defs);
const clipPath = svgFactory.createElement("clipPath");
const id = `clippath_${this.data.id}`;
clipPath.setAttribute("id", id);
clipPath.setAttribute("clipPathUnits", "objectBoundingBox");
defs.append(clipPath);
for (const [, {
x: trX,
y: trY
}, {
x: blX,
y: blY
}] of quadPoints) {
const rect = svgFactory.createElement("rect");
const x = (blX - rectBlX) / width;
const y = (rectTrY - trY) / height;
const rectWidth = (trX - blX) / width;
const rectHeight = (trY - blY) / height;
rect.setAttribute("x", x);
rect.setAttribute("y", y);
rect.setAttribute("width", rectWidth);
rect.setAttribute("height", rectHeight);
clipPath.append(rect);
svgBuffer?.push(`<rect vector-effect="non-scaling-stroke" x="${x}" y="${y}" width="${rectWidth}" height="${rectHeight}"/>`);
}
if (this.#hasBorder) {
svgBuffer.push(`</g></svg>')`);
style.backgroundImage = svgBuffer.join("");
}
this.container.append(svg);
this.container.style.clipPath = `url(#${id})`;
}
_createPopup() {
const {
container,
data
} = this;
container.setAttribute("aria-haspopup", "dialog");
const popup = this.#popupElement = new PopupAnnotationElement({
data: {
color: data.color,
titleObj: data.titleObj,
modificationDate: data.modificationDate,
contentsObj: data.contentsObj,
richText: data.richText,
parentRect: data.rect,
borderStyle: 0,
id: `popup_${data.id}`,
rotation: data.rotation
},
parent: this.parent,
elements: [this]
});
this.parent.div.append(popup.render());
}
render() {
unreachable("Abstract method `AnnotationElement.render` called");
}
_getElementsByName(name, skipId = null) {
const fields = [];
if (this._fieldObjects) {
const fieldObj = this._fieldObjects[name];
if (fieldObj) {
for (const {
page,
id,
exportValues
} of fieldObj) {
if (page === -1) {
continue;
}
if (id === skipId) {
continue;
}
const exportValue = typeof exportValues === "string" ? exportValues : null;
const domElement = document.querySelector(`[data-element-id="${id}"]`);
if (domElement && !GetElementsByNameSet.has(domElement)) {
warn(`_getElementsByName - element not allowed: ${id}`);
continue;
}
fields.push({
id,
exportValue,
domElement
});
}
}
return fields;
}
for (const domElement of document.getElementsByName(name)) {
const {
exportValue
} = domElement;
const id = domElement.getAttribute("data-element-id");
if (id === skipId) {
continue;
}
if (!GetElementsByNameSet.has(domElement)) {
continue;
}
fields.push({
id,
exportValue,
domElement
});
}
return fields;
}
show() {
if (this.container) {
this.container.hidden = false;
}
this.popup?.maybeShow();
}
hide() {
if (this.container) {
this.container.hidden = true;
}
this.popup?.forceHide();
}
getElementsToTriggerPopup() {
return this.container;
}
addHighlightArea() {
const triggers = this.getElementsToTriggerPopup();
if (Array.isArray(triggers)) {
for (const element of triggers) {
element.classList.add("highlightArea");
}
} else {
triggers.classList.add("highlightArea");
}
}
get _isEditable() {
return false;
}
_editOnDoubleClick() {
if (!this._isEditable) {
return;
}
const {
annotationEditorType: mode,
data: {
id: editId
}
} = this;
this.container.addEventListener("dblclick", () => {
this.linkService.eventBus?.dispatch("switchannotationeditormode", {
source: this,
mode,
editId
});
});
}
}
class LinkAnnotationElement extends AnnotationElement {
constructor(parameters, options = null) {
super(parameters, {
isRenderable: true,
ignoreBorder: !!options?.ignoreBorder,
createQuadrilaterals: true
});
this.isTooltipOnly = parameters.data.isTooltipOnly;
}
render() {
const {
data,
linkService
} = this;
const link = document.createElement("a");
link.setAttribute("data-element-id", data.id);
let isBound = false;
if (data.url) {
linkService.addLinkAttributes(link, data.url, data.newWindow);
isBound = true;
} else if (data.action) {
this._bindNamedAction(link, data.action);
isBound = true;
} else if (data.attachment) {
this.#bindAttachment(link, data.attachment, data.attachmentDest);
isBound = true;
} else if (data.setOCGState) {
this.#bindSetOCGState(link, data.setOCGState);
isBound = true;
} else if (data.dest) {
this._bindLink(link, data.dest);
isBound = true;
} else {
if (data.actions && (data.actions.Action || data.actions["Mouse Up"] || data.actions["Mouse Down"]) && this.enableScripting && this.hasJSActions) {
this._bindJSAction(link, data);
isBound = true;
}
if (data.resetForm) {
this._bindResetFormAction(link, data.resetForm);
isBound = true;
} else if (this.isTooltipOnly && !isBound) {
this._bindLink(link, "");
isBound = true;
}
}
this.container.classList.add("linkAnnotation");
if (isBound) {
this.container.append(link);
}
return this.container;
}
#setInternalLink() {
this.container.setAttribute("data-internal-link", "");
}
_bindLink(link, destination) {
link.href = this.linkService.getDestinationHash(destination);
link.onclick = () => {
if (destination) {
this.linkService.goToDestination(destination);
}
return false;
};
if (destination || destination === "") {
this.#setInternalLink();
}
}
_bindNamedAction(link, action) {
link.href = this.linkService.getAnchorUrl("");
link.onclick = () => {
this.linkService.executeNamedAction(action);
return false;
};
this.#setInternalLink();
}
#bindAttachment(link, attachment, dest = null) {
link.href = this.linkService.getAnchorUrl("");
if (attachment.description) {
link.title = attachment.description;
}
link.onclick = () => {
this.downloadManager?.openOrDownloadData(attachment.content, attachment.filename, dest);
return false;
};
this.#setInternalLink();
}
#bindSetOCGState(link, action) {
link.href = this.linkService.getAnchorUrl("");
link.onclick = () => {
this.linkService.executeSetOCGState(action);
return false;
};
this.#setInternalLink();
}
_bindJSAction(link, data) {
link.href = this.linkService.getAnchorUrl("");
const map = new Map([["Action", "onclick"], ["Mouse Up", "onmouseup"], ["Mouse Down", "onmousedown"]]);
for (const name of Object.keys(data.actions)) {
const jsName = map.get(name);
if (!jsName) {
continue;
}
link[jsName] = () => {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: data.id,
name
}
});
return false;
};
}
if (!link.onclick) {
link.onclick = () => false;
}
this.#setInternalLink();
}
_bindResetFormAction(link, resetForm) {
const otherClickAction = link.onclick;
if (!otherClickAction) {
link.href = this.linkService.getAnchorUrl("");
}
this.#setInternalLink();
if (!this._fieldObjects) {
warn(`_bindResetFormAction - "resetForm" action not supported, ` + "ensure that the `fieldObjects` parameter is provided.");
if (!otherClickAction) {
link.onclick = () => false;
}
return;
}
link.onclick = () => {
otherClickAction?.();
const {
fields: resetFormFields,
refs: resetFormRefs,
include
} = resetForm;
const allFields = [];
if (resetFormFields.length !== 0 || resetFormRefs.length !== 0) {
const fieldIds = new Set(resetFormRefs);
for (const fieldName of resetFormFields) {
const fields = this._fieldObjects[fieldName] || [];
for (const {
id
} of fields) {
fieldIds.add(id);
}
}
for (const fields of Object.values(this._fieldObjects)) {
for (const field of fields) {
if (fieldIds.has(field.id) === include) {
allFields.push(field);
}
}
}
} else {
for (const fields of Object.values(this._fieldObjects)) {
allFields.push(...fields);
}
}
const storage = this.annotationStorage;
const allIds = [];
for (const field of allFields) {
const {
id
} = field;
allIds.push(id);
switch (field.type) {
case "text":
{
const value = field.defaultValue || "";
storage.setValue(id, {
value
});
break;
}
case "checkbox":
case "radiobutton":
{
const value = field.defaultValue === field.exportValues;
storage.setValue(id, {
value
});
break;
}
case "combobox":
case "listbox":
{
const value = field.defaultValue || "";
storage.setValue(id, {
value
});
break;
}
default:
continue;
}
const domElement = document.querySelector(`[data-element-id="${id}"]`);
if (!domElement) {
continue;
} else if (!GetElementsByNameSet.has(domElement)) {
warn(`_bindResetFormAction - element not allowed: ${id}`);
continue;
}
domElement.dispatchEvent(new Event("resetform"));
}
if (this.enableScripting) {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: "app",
ids: allIds,
name: "ResetForm"
}
});
}
return false;
};
}
}
class TextAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true
});
}
render() {
this.container.classList.add("textAnnotation");
const image = document.createElement("img");
image.src = this.imageResourcesPath + "annotation-" + this.data.name.toLowerCase() + ".svg";
image.setAttribute("data-l10n-id", "pdfjs-text-annotation-type");
image.setAttribute("data-l10n-args", JSON.stringify({
type: this.data.name
}));
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this.container.append(image);
return this.container;
}
}
class WidgetAnnotationElement extends AnnotationElement {
render() {
return this.container;
}
showElementAndHideCanvas(element) {
if (this.data.hasOwnCanvas) {
if (element.previousSibling?.nodeName === "CANVAS") {
element.previousSibling.hidden = true;
}
element.hidden = false;
}
}
_getKeyModifier(event) {
return util_FeatureTest.platform.isMac ? event.metaKey : event.ctrlKey;
}
_setEventListener(element, elementData, baseName, eventName, valueGetter) {
if (baseName.includes("mouse")) {
element.addEventListener(baseName, event => {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: this.data.id,
name: eventName,
value: valueGetter(event),
shift: event.shiftKey,
modifier: this._getKeyModifier(event)
}
});
});
} else {
element.addEventListener(baseName, event => {
if (baseName === "blur") {
if (!elementData.focused || !event.relatedTarget) {
return;
}
elementData.focused = false;
} else if (baseName === "focus") {
if (elementData.focused) {
return;
}
elementData.focused = true;
}
if (!valueGetter) {
return;
}
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id: this.data.id,
name: eventName,
value: valueGetter(event)
}
});
});
}
}
_setEventListeners(element, elementData, names, getter) {
for (const [baseName, eventName] of names) {
if (eventName === "Action" || this.data.actions?.[eventName]) {
if (eventName === "Focus" || eventName === "Blur") {
elementData ||= {
focused: false
};
}
this._setEventListener(element, elementData, baseName, eventName, getter);
if (eventName === "Focus" && !this.data.actions?.Blur) {
this._setEventListener(element, elementData, "blur", "Blur", null);
} else if (eventName === "Blur" && !this.data.actions?.Focus) {
this._setEventListener(element, elementData, "focus", "Focus", null);
}
}
}
}
_setBackgroundColor(element) {
const color = this.data.backgroundColor || null;
element.style.backgroundColor = color === null ? "transparent" : Util.makeHexColor(color[0], color[1], color[2]);
}
_setTextStyle(element) {
const TEXT_ALIGNMENT = ["left", "center", "right"];
const {
fontColor
} = this.data.defaultAppearanceData;
const fontSize = this.data.defaultAppearanceData.fontSize || annotation_layer_DEFAULT_FONT_SIZE;
const style = element.style;
let computedFontSize;
const BORDER_SIZE = 2;
const roundToOneDecimal = x => Math.round(10 * x) / 10;
if (this.data.multiLine) {
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
const numberOfLines = Math.round(height / (LINE_FACTOR * fontSize)) || 1;
const lineHeight = height / numberOfLines;
computedFontSize = Math.min(fontSize, roundToOneDecimal(lineHeight / LINE_FACTOR));
} else {
const height = Math.abs(this.data.rect[3] - this.data.rect[1] - BORDER_SIZE);
computedFontSize = Math.min(fontSize, roundToOneDecimal(height / LINE_FACTOR));
}
style.fontSize = `calc(${computedFontSize}px * var(--scale-factor))`;
style.color = Util.makeHexColor(fontColor[0], fontColor[1], fontColor[2]);
if (this.data.textAlignment !== null) {
style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
}
}
_setRequired(element, isRequired) {
if (isRequired) {
element.setAttribute("required", true);
} else {
element.removeAttribute("required");
}
element.setAttribute("aria-required", isRequired);
}
}
class TextWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
const isRenderable = parameters.renderForms || parameters.data.hasOwnCanvas || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
super(parameters, {
isRenderable
});
}
setPropertyOnSiblings(base, key, value, keyInStorage) {
const storage = this.annotationStorage;
for (const element of this._getElementsByName(base.name, base.id)) {
if (element.domElement) {
element.domElement[key] = value;
}
storage.setValue(element.id, {
[keyInStorage]: value
});
}
}
render() {
const storage = this.annotationStorage;
const id = this.data.id;
this.container.classList.add("textWidgetAnnotation");
let element = null;
if (this.renderForms) {
const storedData = storage.getValue(id, {
value: this.data.fieldValue
});
let textContent = storedData.value || "";
const maxLen = storage.getValue(id, {
charLimit: this.data.maxLen
}).charLimit;
if (maxLen && textContent.length > maxLen) {
textContent = textContent.slice(0, maxLen);
}
let fieldFormattedValues = storedData.formattedValue || this.data.textContent?.join("\n") || null;
if (fieldFormattedValues && this.data.comb) {
fieldFormattedValues = fieldFormattedValues.replaceAll(/\s+/g, "");
}
const elementData = {
userValue: textContent,
formattedValue: fieldFormattedValues,
lastCommittedValue: null,
commitKey: 1,
focused: false
};
if (this.data.multiLine) {
element = document.createElement("textarea");
element.textContent = fieldFormattedValues ?? textContent;
if (this.data.doNotScroll) {
element.style.overflowY = "hidden";
}
} else {
element = document.createElement("input");
element.type = "text";
element.setAttribute("value", fieldFormattedValues ?? textContent);
if (this.data.doNotScroll) {
element.style.overflowX = "hidden";
}
}
if (this.data.hasOwnCanvas) {
element.hidden = true;
}
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = this.data.readOnly;
element.name = this.data.fieldName;
element.tabIndex = DEFAULT_TAB_INDEX;
this._setRequired(element, this.data.required);
if (maxLen) {
element.maxLength = maxLen;
}
element.addEventListener("input", event => {
storage.setValue(id, {
value: event.target.value
});
this.setPropertyOnSiblings(element, "value", event.target.value, "value");
elementData.formattedValue = null;
});
element.addEventListener("resetform", event => {
const defaultValue = this.data.defaultFieldValue ?? "";
element.value = elementData.userValue = defaultValue;
elementData.formattedValue = null;
});
let blurListener = event => {
const {
formattedValue
} = elementData;
if (formattedValue !== null && formattedValue !== undefined) {
event.target.value = formattedValue;
}
event.target.scrollLeft = 0;
};
if (this.enableScripting && this.hasJSActions) {
element.addEventListener("focus", event => {
if (elementData.focused) {
return;
}
const {
target
} = event;
if (elementData.userValue) {
target.value = elementData.userValue;
}
elementData.lastCommittedValue = target.value;
elementData.commitKey = 1;
if (!this.data.actions?.Focus) {
elementData.focused = true;
}
});
element.addEventListener("updatefromsandbox", jsEvent => {
this.showElementAndHideCanvas(jsEvent.target);
const actions = {
value(event) {
elementData.userValue = event.detail.value ?? "";
storage.setValue(id, {
value: elementData.userValue.toString()
});
event.target.value = elementData.userValue;
},
formattedValue(event) {
const {
formattedValue
} = event.detail;
elementData.formattedValue = formattedValue;
if (formattedValue !== null && formattedValue !== undefined && event.target !== document.activeElement) {
event.target.value = formattedValue;
}
storage.setValue(id, {
formattedValue
});
},
selRange(event) {
event.target.setSelectionRange(...event.detail.selRange);
},
charLimit: event => {
const {
charLimit
} = event.detail;
const {
target
} = event;
if (charLimit === 0) {
target.removeAttribute("maxLength");
return;
}
target.setAttribute("maxLength", charLimit);
let value = elementData.userValue;
if (!value || value.length <= charLimit) {
return;
}
value = value.slice(0, charLimit);
target.value = elementData.userValue = value;
storage.setValue(id, {
value
});
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey: 1,
selStart: target.selectionStart,
selEnd: target.selectionEnd
}
});
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
element.addEventListener("keydown", event => {
elementData.commitKey = 1;
let commitKey = -1;
if (event.key === "Escape") {
commitKey = 0;
} else if (event.key === "Enter" && !this.data.multiLine) {
commitKey = 2;
} else if (event.key === "Tab") {
elementData.commitKey = 3;
}
if (commitKey === -1) {
return;
}
const {
value
} = event.target;
if (elementData.lastCommittedValue === value) {
return;
}
elementData.lastCommittedValue = value;
elementData.userValue = value;
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey,
selStart: event.target.selectionStart,
selEnd: event.target.selectionEnd
}
});
});
const _blurListener = blurListener;
blurListener = null;
element.addEventListener("blur", event => {
if (!elementData.focused || !event.relatedTarget) {
return;
}
if (!this.data.actions?.Blur) {
elementData.focused = false;
}
const {
value
} = event.target;
elementData.userValue = value;
if (elementData.lastCommittedValue !== value) {
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
willCommit: true,
commitKey: elementData.commitKey,
selStart: event.target.selectionStart,
selEnd: event.target.selectionEnd
}
});
}
_blurListener(event);
});
if (this.data.actions?.Keystroke) {
element.addEventListener("beforeinput", event => {
elementData.lastCommittedValue = null;
const {
data,
target
} = event;
const {
value,
selectionStart,
selectionEnd
} = target;
let selStart = selectionStart,
selEnd = selectionEnd;
switch (event.inputType) {
case "deleteWordBackward":
{
const match = value.substring(0, selectionStart).match(/\w*[^\w]*$/);
if (match) {
selStart -= match[0].length;
}
break;
}
case "deleteWordForward":
{
const match = value.substring(selectionStart).match(/^[^\w]*\w*/);
if (match) {
selEnd += match[0].length;
}
break;
}
case "deleteContentBackward":
if (selectionStart === selectionEnd) {
selStart -= 1;
}
break;
case "deleteContentForward":
if (selectionStart === selectionEnd) {
selEnd += 1;
}
break;
}
event.preventDefault();
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value,
change: data || "",
willCommit: false,
selStart,
selEnd
}
});
});
}
this._setEventListeners(element, elementData, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.value);
}
if (blurListener) {
element.addEventListener("blur", blurListener);
}
if (this.data.comb) {
const fieldWidth = this.data.rect[2] - this.data.rect[0];
const combWidth = fieldWidth / maxLen;
element.classList.add("comb");
element.style.letterSpacing = `calc(${combWidth}px * var(--scale-factor) - 1ch)`;
}
} else {
element = document.createElement("div");
element.textContent = this.data.fieldValue;
element.style.verticalAlign = "middle";
element.style.display = "table-cell";
if (this.data.hasOwnCanvas) {
element.hidden = true;
}
}
this._setTextStyle(element);
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class SignatureWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: !!parameters.data.hasOwnCanvas
});
}
}
class CheckboxWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
const storage = this.annotationStorage;
const data = this.data;
const id = data.id;
let value = storage.getValue(id, {
value: data.exportValue === data.fieldValue
}).value;
if (typeof value === "string") {
value = value !== "Off";
storage.setValue(id, {
value
});
}
this.container.classList.add("buttonWidgetAnnotation", "checkBox");
const element = document.createElement("input");
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = data.readOnly;
this._setRequired(element, this.data.required);
element.type = "checkbox";
element.name = data.fieldName;
if (value) {
element.setAttribute("checked", true);
}
element.setAttribute("exportValue", data.exportValue);
element.tabIndex = DEFAULT_TAB_INDEX;
element.addEventListener("change", event => {
const {
name,
checked
} = event.target;
for (const checkbox of this._getElementsByName(name, id)) {
const curChecked = checked && checkbox.exportValue === data.exportValue;
if (checkbox.domElement) {
checkbox.domElement.checked = curChecked;
}
storage.setValue(checkbox.id, {
value: curChecked
});
}
storage.setValue(id, {
value: checked
});
});
element.addEventListener("resetform", event => {
const defaultValue = data.defaultFieldValue || "Off";
event.target.checked = defaultValue === data.exportValue;
});
if (this.enableScripting && this.hasJSActions) {
element.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value(event) {
event.target.checked = event.detail.value !== "Off";
storage.setValue(id, {
value: event.target.checked
});
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
}
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class RadioButtonWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
this.container.classList.add("buttonWidgetAnnotation", "radioButton");
const storage = this.annotationStorage;
const data = this.data;
const id = data.id;
let value = storage.getValue(id, {
value: data.fieldValue === data.buttonValue
}).value;
if (typeof value === "string") {
value = value !== data.buttonValue;
storage.setValue(id, {
value
});
}
if (value) {
for (const radio of this._getElementsByName(data.fieldName, id)) {
storage.setValue(radio.id, {
value: false
});
}
}
const element = document.createElement("input");
GetElementsByNameSet.add(element);
element.setAttribute("data-element-id", id);
element.disabled = data.readOnly;
this._setRequired(element, this.data.required);
element.type = "radio";
element.name = data.fieldName;
if (value) {
element.setAttribute("checked", true);
}
element.tabIndex = DEFAULT_TAB_INDEX;
element.addEventListener("change", event => {
const {
name,
checked
} = event.target;
for (const radio of this._getElementsByName(name, id)) {
storage.setValue(radio.id, {
value: false
});
}
storage.setValue(id, {
value: checked
});
});
element.addEventListener("resetform", event => {
const defaultValue = data.defaultFieldValue;
event.target.checked = defaultValue !== null && defaultValue !== undefined && defaultValue === data.buttonValue;
});
if (this.enableScripting && this.hasJSActions) {
const pdfButtonValue = data.buttonValue;
element.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value: event => {
const checked = pdfButtonValue === event.detail.value;
for (const radio of this._getElementsByName(event.target.name)) {
const curChecked = checked && radio.id === id;
if (radio.domElement) {
radio.domElement.checked = curChecked;
}
storage.setValue(radio.id, {
value: curChecked
});
}
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
this._setEventListeners(element, null, [["change", "Validate"], ["change", "Action"], ["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"]], event => event.target.checked);
}
this._setBackgroundColor(element);
this._setDefaultPropertiesFromJS(element);
this.container.append(element);
return this.container;
}
}
class PushButtonWidgetAnnotationElement extends LinkAnnotationElement {
constructor(parameters) {
super(parameters, {
ignoreBorder: parameters.data.hasAppearance
});
}
render() {
const container = super.render();
container.classList.add("buttonWidgetAnnotation", "pushButton");
const linkElement = container.lastChild;
if (this.enableScripting && this.hasJSActions && linkElement) {
this._setDefaultPropertiesFromJS(linkElement);
linkElement.addEventListener("updatefromsandbox", jsEvent => {
this._dispatchEventFromSandbox({}, jsEvent);
});
}
return container;
}
}
class ChoiceWidgetAnnotationElement extends WidgetAnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: parameters.renderForms
});
}
render() {
this.container.classList.add("choiceWidgetAnnotation");
const storage = this.annotationStorage;
const id = this.data.id;
const storedData = storage.getValue(id, {
value: this.data.fieldValue
});
const selectElement = document.createElement("select");
GetElementsByNameSet.add(selectElement);
selectElement.setAttribute("data-element-id", id);
selectElement.disabled = this.data.readOnly;
this._setRequired(selectElement, this.data.required);
selectElement.name = this.data.fieldName;
selectElement.tabIndex = DEFAULT_TAB_INDEX;
let addAnEmptyEntry = this.data.combo && this.data.options.length > 0;
if (!this.data.combo) {
selectElement.size = this.data.options.length;
if (this.data.multiSelect) {
selectElement.multiple = true;
}
}
selectElement.addEventListener("resetform", event => {
const defaultValue = this.data.defaultFieldValue;
for (const option of selectElement.options) {
option.selected = option.value === defaultValue;
}
});
for (const option of this.data.options) {
const optionElement = document.createElement("option");
optionElement.textContent = option.displayValue;
optionElement.value = option.exportValue;
if (storedData.value.includes(option.exportValue)) {
optionElement.setAttribute("selected", true);
addAnEmptyEntry = false;
}
selectElement.append(optionElement);
}
let removeEmptyEntry = null;
if (addAnEmptyEntry) {
const noneOptionElement = document.createElement("option");
noneOptionElement.value = " ";
noneOptionElement.setAttribute("hidden", true);
noneOptionElement.setAttribute("selected", true);
selectElement.prepend(noneOptionElement);
removeEmptyEntry = () => {
noneOptionElement.remove();
selectElement.removeEventListener("input", removeEmptyEntry);
removeEmptyEntry = null;
};
selectElement.addEventListener("input", removeEmptyEntry);
}
const getValue = isExport => {
const name = isExport ? "value" : "textContent";
const {
options,
multiple
} = selectElement;
if (!multiple) {
return options.selectedIndex === -1 ? null : options[options.selectedIndex][name];
}
return Array.prototype.filter.call(options, option => option.selected).map(option => option[name]);
};
let selectedValues = getValue(false);
const getItems = event => {
const options = event.target.options;
return Array.prototype.map.call(options, option => ({
displayValue: option.textContent,
exportValue: option.value
}));
};
if (this.enableScripting && this.hasJSActions) {
selectElement.addEventListener("updatefromsandbox", jsEvent => {
const actions = {
value(event) {
removeEmptyEntry?.();
const value = event.detail.value;
const values = new Set(Array.isArray(value) ? value : [value]);
for (const option of selectElement.options) {
option.selected = values.has(option.value);
}
storage.setValue(id, {
value: getValue(true)
});
selectedValues = getValue(false);
},
multipleSelection(event) {
selectElement.multiple = true;
},
remove(event) {
const options = selectElement.options;
const index = event.detail.remove;
options[index].selected = false;
selectElement.remove(index);
if (options.length > 0) {
const i = Array.prototype.findIndex.call(options, option => option.selected);
if (i === -1) {
options[0].selected = true;
}
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
clear(event) {
while (selectElement.length !== 0) {
selectElement.remove(0);
}
storage.setValue(id, {
value: null,
items: []
});
selectedValues = getValue(false);
},
insert(event) {
const {
index,
displayValue,
exportValue
} = event.detail.insert;
const selectChild = selectElement.children[index];
const optionElement = document.createElement("option");
optionElement.textContent = displayValue;
optionElement.value = exportValue;
if (selectChild) {
selectChild.before(optionElement);
} else {
selectElement.append(optionElement);
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
items(event) {
const {
items
} = event.detail;
while (selectElement.length !== 0) {
selectElement.remove(0);
}
for (const item of items) {
const {
displayValue,
exportValue
} = item;
const optionElement = document.createElement("option");
optionElement.textContent = displayValue;
optionElement.value = exportValue;
selectElement.append(optionElement);
}
if (selectElement.options.length > 0) {
selectElement.options[0].selected = true;
}
storage.setValue(id, {
value: getValue(true),
items: getItems(event)
});
selectedValues = getValue(false);
},
indices(event) {
const indices = new Set(event.detail.indices);
for (const option of event.target.options) {
option.selected = indices.has(option.index);
}
storage.setValue(id, {
value: getValue(true)
});
selectedValues = getValue(false);
},
editable(event) {
event.target.disabled = !event.detail.editable;
}
};
this._dispatchEventFromSandbox(actions, jsEvent);
});
selectElement.addEventListener("input", event => {
const exportValue = getValue(true);
const change = getValue(false);
storage.setValue(id, {
value: exportValue
});
event.preventDefault();
this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
source: this,
detail: {
id,
name: "Keystroke",
value: selectedValues,
change,
changeEx: exportValue,
willCommit: false,
commitKey: 1,
keyDown: false
}
});
});
this._setEventListeners(selectElement, null, [["focus", "Focus"], ["blur", "Blur"], ["mousedown", "Mouse Down"], ["mouseenter", "Mouse Enter"], ["mouseleave", "Mouse Exit"], ["mouseup", "Mouse Up"], ["input", "Action"], ["input", "Validate"]], event => event.target.value);
} else {
selectElement.addEventListener("input", function (event) {
storage.setValue(id, {
value: getValue(true)
});
});
}
if (this.data.combo) {
this._setTextStyle(selectElement);
} else {}
this._setBackgroundColor(selectElement);
this._setDefaultPropertiesFromJS(selectElement);
this.container.append(selectElement);
return this.container;
}
}
class PopupAnnotationElement extends AnnotationElement {
constructor(parameters) {
const {
data,
elements
} = parameters;
super(parameters, {
isRenderable: AnnotationElement._hasPopupData(data)
});
this.elements = elements;
this.popup = null;
}
render() {
this.container.classList.add("popupAnnotation");
const popup = this.popup = new PopupElement({
container: this.container,
color: this.data.color,
titleObj: this.data.titleObj,
modificationDate: this.data.modificationDate,
contentsObj: this.data.contentsObj,
richText: this.data.richText,
rect: this.data.rect,
parentRect: this.data.parentRect || null,
parent: this.parent,
elements: this.elements,
open: this.data.open
});
const elementIds = [];
for (const element of this.elements) {
element.popup = popup;
elementIds.push(element.data.id);
element.addHighlightArea();
}
this.container.setAttribute("aria-controls", elementIds.map(id => `${AnnotationPrefix}${id}`).join(","));
return this.container;
}
}
class PopupElement {
#boundKeyDown = this.#keyDown.bind(this);
#boundHide = this.#hide.bind(this);
#boundShow = this.#show.bind(this);
#boundToggle = this.#toggle.bind(this);
#color = null;
#container = null;
#contentsObj = null;
#dateObj = null;
#elements = null;
#parent = null;
#parentRect = null;
#pinned = false;
#popup = null;
#position = null;
#rect = null;
#richText = null;
#titleObj = null;
#updates = null;
#wasVisible = false;
constructor({
container,
color,
elements,
titleObj,
modificationDate,
contentsObj,
richText,
parent,
rect,
parentRect,
open
}) {
this.#container = container;
this.#titleObj = titleObj;
this.#contentsObj = contentsObj;
this.#richText = richText;
this.#parent = parent;
this.#color = color;
this.#rect = rect;
this.#parentRect = parentRect;
this.#elements = elements;
this.#dateObj = PDFDateString.toDateObject(modificationDate);
this.trigger = elements.flatMap(e => e.getElementsToTriggerPopup());
for (const element of this.trigger) {
element.addEventListener("click", this.#boundToggle);
element.addEventListener("mouseenter", this.#boundShow);
element.addEventListener("mouseleave", this.#boundHide);
element.classList.add("popupTriggerArea");
}
for (const element of elements) {
element.container?.addEventListener("keydown", this.#boundKeyDown);
}
this.#container.hidden = true;
if (open) {
this.#toggle();
}
}
render() {
if (this.#popup) {
return;
}
const popup = this.#popup = document.createElement("div");
popup.className = "popup";
if (this.#color) {
const baseColor = popup.style.outlineColor = Util.makeHexColor(...this.#color);
if (CSS.supports("background-color", "color-mix(in srgb, red 30%, white)")) {
popup.style.backgroundColor = `color-mix(in srgb, ${baseColor} 30%, white)`;
} else {
const BACKGROUND_ENLIGHT = 0.7;
popup.style.backgroundColor = Util.makeHexColor(...this.#color.map(c => Math.floor(BACKGROUND_ENLIGHT * (255 - c) + c)));
}
}
const header = document.createElement("span");
header.className = "header";
const title = document.createElement("h1");
header.append(title);
({
dir: title.dir,
str: title.textContent
} = this.#titleObj);
popup.append(header);
if (this.#dateObj) {
const modificationDate = document.createElement("span");
modificationDate.classList.add("popupDate");
modificationDate.setAttribute("data-l10n-id", "pdfjs-annotation-date-string");
modificationDate.setAttribute("data-l10n-args", JSON.stringify({
date: this.#dateObj.toLocaleDateString(),
time: this.#dateObj.toLocaleTimeString()
}));
header.append(modificationDate);
}
const html = this.#html;
if (html) {
XfaLayer.render({
xfaHtml: html,
intent: "richText",
div: popup
});
popup.lastChild.classList.add("richText", "popupContent");
} else {
const contents = this._formatContents(this.#contentsObj);
popup.append(contents);
}
this.#container.append(popup);
}
get #html() {
const richText = this.#richText;
const contentsObj = this.#contentsObj;
if (richText?.str && (!contentsObj?.str || contentsObj.str === richText.str)) {
return this.#richText.html || null;
}
return null;
}
get #fontSize() {
return this.#html?.attributes?.style?.fontSize || 0;
}
get #fontColor() {
return this.#html?.attributes?.style?.color || null;
}
#makePopupContent(text) {
const popupLines = [];
const popupContent = {
str: text,
html: {
name: "div",
attributes: {
dir: "auto"
},
children: [{
name: "p",
children: popupLines
}]
}
};
const lineAttributes = {
style: {
color: this.#fontColor,
fontSize: this.#fontSize ? `calc(${this.#fontSize}px * var(--scale-factor))` : ""
}
};
for (const line of text.split("\n")) {
popupLines.push({
name: "span",
value: line,
attributes: lineAttributes
});
}
return popupContent;
}
_formatContents({
str,
dir
}) {
const p = document.createElement("p");
p.classList.add("popupContent");
p.dir = dir;
const lines = str.split(/(?:\r\n?|\n)/);
for (let i = 0, ii = lines.length; i < ii; ++i) {
const line = lines[i];
p.append(document.createTextNode(line));
if (i < ii - 1) {
p.append(document.createElement("br"));
}
}
return p;
}
#keyDown(event) {
if (event.altKey || event.shiftKey || event.ctrlKey || event.metaKey) {
return;
}
if (event.key === "Enter" || event.key === "Escape" && this.#pinned) {
this.#toggle();
}
}
updateEdited({
rect,
popupContent
}) {
this.#updates ||= {
contentsObj: this.#contentsObj,
richText: this.#richText
};
if (rect) {
this.#position = null;
}
if (popupContent) {
this.#richText = this.#makePopupContent(popupContent);
this.#contentsObj = null;
}
this.#popup?.remove();
this.#popup = null;
}
resetEdited() {
if (!this.#updates) {
return;
}
({
contentsObj: this.#contentsObj,
richText: this.#richText
} = this.#updates);
this.#updates = null;
this.#popup?.remove();
this.#popup = null;
this.#position = null;
}
#setPosition() {
if (this.#position !== null) {
return;
}
const {
page: {
view
},
viewport: {
rawDims: {
pageWidth,
pageHeight,
pageX,
pageY
}
}
} = this.#parent;
let useParentRect = !!this.#parentRect;
let rect = useParentRect ? this.#parentRect : this.#rect;
for (const element of this.#elements) {
if (!rect || Util.intersect(element.data.rect, rect) !== null) {
rect = element.data.rect;
useParentRect = true;
break;
}
}
const normalizedRect = Util.normalizeRect([rect[0], view[3] - rect[1] + view[1], rect[2], view[3] - rect[3] + view[1]]);
const HORIZONTAL_SPACE_AFTER_ANNOTATION = 5;
const parentWidth = useParentRect ? rect[2] - rect[0] + HORIZONTAL_SPACE_AFTER_ANNOTATION : 0;
const popupLeft = normalizedRect[0] + parentWidth;
const popupTop = normalizedRect[1];
this.#position = [100 * (popupLeft - pageX) / pageWidth, 100 * (popupTop - pageY) / pageHeight];
const {
style
} = this.#container;
style.left = `${this.#position[0]}%`;
style.top = `${this.#position[1]}%`;
}
#toggle() {
this.#pinned = !this.#pinned;
if (this.#pinned) {
this.#show();
this.#container.addEventListener("click", this.#boundToggle);
this.#container.addEventListener("keydown", this.#boundKeyDown);
} else {
this.#hide();
this.#container.removeEventListener("click", this.#boundToggle);
this.#container.removeEventListener("keydown", this.#boundKeyDown);
}
}
#show() {
if (!this.#popup) {
this.render();
}
if (!this.isVisible) {
this.#setPosition();
this.#container.hidden = false;
this.#container.style.zIndex = parseInt(this.#container.style.zIndex) + 1000;
} else if (this.#pinned) {
this.#container.classList.add("focused");
}
}
#hide() {
this.#container.classList.remove("focused");
if (this.#pinned || !this.isVisible) {
return;
}
this.#container.hidden = true;
this.#container.style.zIndex = parseInt(this.#container.style.zIndex) - 1000;
}
forceHide() {
this.#wasVisible = this.isVisible;
if (!this.#wasVisible) {
return;
}
this.#container.hidden = true;
}
maybeShow() {
if (!this.#wasVisible) {
return;
}
if (!this.#popup) {
this.#show();
}
this.#wasVisible = false;
this.#container.hidden = false;
}
get isVisible() {
return this.#container.hidden === false;
}
}
class FreeTextAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
this.textContent = parameters.data.textContent;
this.textPosition = parameters.data.textPosition;
this.annotationEditorType = AnnotationEditorType.FREETEXT;
}
render() {
this.container.classList.add("freeTextAnnotation");
if (this.textContent) {
const content = document.createElement("div");
content.classList.add("annotationTextContent");
content.setAttribute("role", "comment");
for (const line of this.textContent) {
const lineSpan = document.createElement("span");
lineSpan.textContent = line;
content.append(lineSpan);
}
this.container.append(content);
}
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this._editOnDoubleClick();
return this.container;
}
get _isEditable() {
return this.data.hasOwnCanvas;
}
}
class LineAnnotationElement extends AnnotationElement {
#line = null;
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
}
render() {
this.container.classList.add("lineAnnotation");
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const line = this.#line = this.svgFactory.createElement("svg:line");
line.setAttribute("x1", data.rect[2] - data.lineCoordinates[0]);
line.setAttribute("y1", data.rect[3] - data.lineCoordinates[1]);
line.setAttribute("x2", data.rect[2] - data.lineCoordinates[2]);
line.setAttribute("y2", data.rect[3] - data.lineCoordinates[3]);
line.setAttribute("stroke-width", data.borderStyle.width || 1);
line.setAttribute("stroke", "transparent");
line.setAttribute("fill", "transparent");
svg.append(line);
this.container.append(svg);
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
getElementsToTriggerPopup() {
return this.#line;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
}
class SquareAnnotationElement extends AnnotationElement {
#square = null;
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
}
render() {
this.container.classList.add("squareAnnotation");
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const borderWidth = data.borderStyle.width;
const square = this.#square = this.svgFactory.createElement("svg:rect");
square.setAttribute("x", borderWidth / 2);
square.setAttribute("y", borderWidth / 2);
square.setAttribute("width", width - borderWidth);
square.setAttribute("height", height - borderWidth);
square.setAttribute("stroke-width", borderWidth || 1);
square.setAttribute("stroke", "transparent");
square.setAttribute("fill", "transparent");
svg.append(square);
this.container.append(svg);
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
getElementsToTriggerPopup() {
return this.#square;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
}
class CircleAnnotationElement extends AnnotationElement {
#circle = null;
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
}
render() {
this.container.classList.add("circleAnnotation");
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
const borderWidth = data.borderStyle.width;
const circle = this.#circle = this.svgFactory.createElement("svg:ellipse");
circle.setAttribute("cx", width / 2);
circle.setAttribute("cy", height / 2);
circle.setAttribute("rx", width / 2 - borderWidth / 2);
circle.setAttribute("ry", height / 2 - borderWidth / 2);
circle.setAttribute("stroke-width", borderWidth || 1);
circle.setAttribute("stroke", "transparent");
circle.setAttribute("fill", "transparent");
svg.append(circle);
this.container.append(svg);
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
getElementsToTriggerPopup() {
return this.#circle;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
}
class PolylineAnnotationElement extends AnnotationElement {
#polyline = null;
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
this.containerClassName = "polylineAnnotation";
this.svgElementName = "svg:polyline";
}
render() {
this.container.classList.add(this.containerClassName);
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
let points = [];
for (const coordinate of data.vertices) {
const x = coordinate.x - data.rect[0];
const y = data.rect[3] - coordinate.y;
points.push(x + "," + y);
}
points = points.join(" ");
const polyline = this.#polyline = this.svgFactory.createElement(this.svgElementName);
polyline.setAttribute("points", points);
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
polyline.setAttribute("stroke", "transparent");
polyline.setAttribute("fill", "transparent");
svg.append(polyline);
this.container.append(svg);
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
getElementsToTriggerPopup() {
return this.#polyline;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
}
class PolygonAnnotationElement extends PolylineAnnotationElement {
constructor(parameters) {
super(parameters);
this.containerClassName = "polygonAnnotation";
this.svgElementName = "svg:polygon";
}
}
class CaretAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
}
render() {
this.container.classList.add("caretAnnotation");
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
}
class InkAnnotationElement extends AnnotationElement {
#polylines = [];
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
this.containerClassName = "inkAnnotation";
this.svgElementName = "svg:polyline";
this.annotationEditorType = AnnotationEditorType.INK;
}
render() {
this.container.classList.add(this.containerClassName);
const data = this.data;
const {
width,
height
} = getRectDims(data.rect);
const svg = this.svgFactory.create(width, height, true);
for (const inkList of data.inkLists) {
let points = [];
for (const coordinate of inkList) {
const x = coordinate.x - data.rect[0];
const y = data.rect[3] - coordinate.y;
points.push(`${x},${y}`);
}
points = points.join(" ");
const polyline = this.svgFactory.createElement(this.svgElementName);
this.#polylines.push(polyline);
polyline.setAttribute("points", points);
polyline.setAttribute("stroke-width", data.borderStyle.width || 1);
polyline.setAttribute("stroke", "transparent");
polyline.setAttribute("fill", "transparent");
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
}
svg.append(polyline);
}
this.container.append(svg);
return this.container;
}
getElementsToTriggerPopup() {
return this.#polylines;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
}
class HighlightAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this.container.classList.add("highlightAnnotation");
return this.container;
}
}
class UnderlineAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this.container.classList.add("underlineAnnotation");
return this.container;
}
}
class SquigglyAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this.container.classList.add("squigglyAnnotation");
return this.container;
}
}
class StrikeOutAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true,
createQuadrilaterals: true
});
}
render() {
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
this.container.classList.add("strikeoutAnnotation");
return this.container;
}
}
class StampAnnotationElement extends AnnotationElement {
constructor(parameters) {
super(parameters, {
isRenderable: true,
ignoreBorder: true
});
}
render() {
this.container.classList.add("stampAnnotation");
if (!this.data.popupRef && this.hasPopupData) {
this._createPopup();
}
return this.container;
}
}
class FileAttachmentAnnotationElement extends AnnotationElement {
#trigger = null;
constructor(parameters) {
super(parameters, {
isRenderable: true
});
const {
file
} = this.data;
this.filename = file.filename;
this.content = file.content;
this.linkService.eventBus?.dispatch("fileattachmentannotation", {
source: this,
...file
});
}
render() {
this.container.classList.add("fileAttachmentAnnotation");
const {
container,
data
} = this;
let trigger;
if (data.hasAppearance || data.fillAlpha === 0) {
trigger = document.createElement("div");
} else {
trigger = document.createElement("img");
trigger.src = `${this.imageResourcesPath}annotation-${/paperclip/i.test(data.name) ? "paperclip" : "pushpin"}.svg`;
if (data.fillAlpha && data.fillAlpha < 1) {
trigger.style = `filter: opacity(${Math.round(data.fillAlpha * 100)}%);`;
}
}
trigger.addEventListener("dblclick", this.#download.bind(this));
this.#trigger = trigger;
const {
isMac
} = util_FeatureTest.platform;
container.addEventListener("keydown", evt => {
if (evt.key === "Enter" && (isMac ? evt.metaKey : evt.ctrlKey)) {
this.#download();
}
});
if (!data.popupRef && this.hasPopupData) {
this._createPopup();
} else {
trigger.classList.add("popupTriggerArea");
}
container.append(trigger);
return container;
}
getElementsToTriggerPopup() {
return this.#trigger;
}
addHighlightArea() {
this.container.classList.add("highlightArea");
}
#download() {
this.downloadManager?.openOrDownloadData(this.content, this.filename);
}
}
class AnnotationLayer {
#accessibilityManager = null;
#annotationCanvasMap = null;
#editableAnnotations = new Map();
constructor({
div,
accessibilityManager,
annotationCanvasMap,
annotationEditorUIManager,
page,
viewport
}) {
this.div = div;
this.#accessibilityManager = accessibilityManager;
this.#annotationCanvasMap = annotationCanvasMap;
this.page = page;
this.viewport = viewport;
this.zIndex = 0;
this._annotationEditorUIManager = annotationEditorUIManager;
}
#appendElement(element, id) {
const contentElement = element.firstChild || element;
contentElement.id = `${AnnotationPrefix}${id}`;
this.div.append(element);
this.#accessibilityManager?.moveElementInDOM(this.div, element, contentElement, false);
}
async render(params) {
const {
annotations
} = params;
const layer = this.div;
setLayerDimensions(layer, this.viewport);
const popupToElements = new Map();
const elementParams = {
data: null,
layer,
linkService: params.linkService,
downloadManager: params.downloadManager,
imageResourcesPath: params.imageResourcesPath || "",
renderForms: params.renderForms !== false,
svgFactory: new DOMSVGFactory(),
annotationStorage: params.annotationStorage || new AnnotationStorage(),
enableScripting: params.enableScripting === true,
hasJSActions: params.hasJSActions,
fieldObjects: params.fieldObjects,
parent: this,
elements: null
};
for (const data of annotations) {
if (data.noHTML) {
continue;
}
const isPopupAnnotation = data.annotationType === AnnotationType.POPUP;
if (!isPopupAnnotation) {
const {
width,
height
} = getRectDims(data.rect);
if (width <= 0 || height <= 0) {
continue;
}
} else {
const elements = popupToElements.get(data.id);
if (!elements) {
continue;
}
elementParams.elements = elements;
}
elementParams.data = data;
const element = AnnotationElementFactory.create(elementParams);
if (!element.isRenderable) {
continue;
}
if (!isPopupAnnotation && data.popupRef) {
const elements = popupToElements.get(data.popupRef);
if (!elements) {
popupToElements.set(data.popupRef, [element]);
} else {
elements.push(element);
}
}
const rendered = element.render();
if (data.hidden) {
rendered.style.visibility = "hidden";
}
this.#appendElement(rendered, data.id);
if (element.annotationEditorType > 0) {
this.#editableAnnotations.set(element.data.id, element);
this._annotationEditorUIManager?.renderAnnotationElement(element);
}
}
this.#setAnnotationCanvasMap();
}
update({
viewport
}) {
const layer = this.div;
this.viewport = viewport;
setLayerDimensions(layer, {
rotation: viewport.rotation
});
this.#setAnnotationCanvasMap();
layer.hidden = false;
}
#setAnnotationCanvasMap() {
if (!this.#annotationCanvasMap) {
return;
}
const layer = this.div;
for (const [id, canvas] of this.#annotationCanvasMap) {
const element = layer.querySelector(`[data-annotation-id="${id}"]`);
if (!element) {
continue;
}
canvas.className = "annotationContent";
const {
firstChild
} = element;
if (!firstChild) {
element.append(canvas);
} else if (firstChild.nodeName === "CANVAS") {
firstChild.replaceWith(canvas);
} else if (!firstChild.classList.contains("annotationContent")) {
firstChild.before(canvas);
} else {
firstChild.after(canvas);
}
}
this.#annotationCanvasMap.clear();
}
getEditableAnnotations() {
return Array.from(this.#editableAnnotations.values());
}
getEditableAnnotation(id) {
return this.#editableAnnotations.get(id);
}
}
;// CONCATENATED MODULE: ./src/display/editor/freetext.js
const EOL_PATTERN = /\r\n?|\n/g;
class FreeTextEditor extends AnnotationEditor {
#boundEditorDivBlur = this.editorDivBlur.bind(this);
#boundEditorDivFocus = this.editorDivFocus.bind(this);
#boundEditorDivInput = this.editorDivInput.bind(this);
#boundEditorDivKeydown = this.editorDivKeydown.bind(this);
#boundEditorDivPaste = this.editorDivPaste.bind(this);
#color;
#content = "";
#editorDivId = `${this.id}-editor`;
#fontSize;
#initialData = null;
static _freeTextDefaultContent = "";
static _internalPadding = 0;
static _defaultColor = null;
static _defaultFontSize = 10;
static get _keyboardManager() {
const proto = FreeTextEditor.prototype;
const arrowChecker = self => self.isEmpty();
const small = AnnotationEditorUIManager.TRANSLATE_SMALL;
const big = AnnotationEditorUIManager.TRANSLATE_BIG;
return shadow(this, "_keyboardManager", new KeyboardManager([[["ctrl+s", "mac+meta+s", "ctrl+p", "mac+meta+p"], proto.commitOrRemove, {
bubbles: true
}], [["ctrl+Enter", "mac+meta+Enter", "Escape", "mac+Escape"], proto.commitOrRemove], [["ArrowLeft", "mac+ArrowLeft"], proto._translateEmpty, {
args: [-small, 0],
checker: arrowChecker
}], [["ctrl+ArrowLeft", "mac+shift+ArrowLeft"], proto._translateEmpty, {
args: [-big, 0],
checker: arrowChecker
}], [["ArrowRight", "mac+ArrowRight"], proto._translateEmpty, {
args: [small, 0],
checker: arrowChecker
}], [["ctrl+ArrowRight", "mac+shift+ArrowRight"], proto._translateEmpty, {
args: [big, 0],
checker: arrowChecker
}], [["ArrowUp", "mac+ArrowUp"], proto._translateEmpty, {
args: [0, -small],
checker: arrowChecker
}], [["ctrl+ArrowUp", "mac+shift+ArrowUp"], proto._translateEmpty, {
args: [0, -big],
checker: arrowChecker
}], [["ArrowDown", "mac+ArrowDown"], proto._translateEmpty, {
args: [0, small],
checker: arrowChecker
}], [["ctrl+ArrowDown", "mac+shift+ArrowDown"], proto._translateEmpty, {
args: [0, big],
checker: arrowChecker
}]]));
}
static _type = "freetext";
static _editorType = AnnotationEditorType.FREETEXT;
constructor(params) {
super({
...params,
name: "freeTextEditor"
});
this.#color = params.color || FreeTextEditor._defaultColor || AnnotationEditor._defaultLineColor;
this.#fontSize = params.fontSize || FreeTextEditor._defaultFontSize;
}
static initialize(l10n, uiManager) {
AnnotationEditor.initialize(l10n, uiManager, {
strings: ["pdfjs-free-text-default-content"]
});
const style = getComputedStyle(document.documentElement);
this._internalPadding = parseFloat(style.getPropertyValue("--freetext-padding"));
}
static updateDefaultParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.FREETEXT_SIZE:
FreeTextEditor._defaultFontSize = value;
break;
case AnnotationEditorParamsType.FREETEXT_COLOR:
FreeTextEditor._defaultColor = value;
break;
}
}
updateParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.FREETEXT_SIZE:
this.#updateFontSize(value);
break;
case AnnotationEditorParamsType.FREETEXT_COLOR:
this.#updateColor(value);
break;
}
}
static get defaultPropertiesToUpdate() {
return [[AnnotationEditorParamsType.FREETEXT_SIZE, FreeTextEditor._defaultFontSize], [AnnotationEditorParamsType.FREETEXT_COLOR, FreeTextEditor._defaultColor || AnnotationEditor._defaultLineColor]];
}
get propertiesToUpdate() {
return [[AnnotationEditorParamsType.FREETEXT_SIZE, this.#fontSize], [AnnotationEditorParamsType.FREETEXT_COLOR, this.#color]];
}
#updateFontSize(fontSize) {
const setFontsize = size => {
this.editorDiv.style.fontSize = `calc(${size}px * var(--scale-factor))`;
this.translate(0, -(size - this.#fontSize) * this.parentScale);
this.#fontSize = size;
this.#setEditorDimensions();
};
const savedFontsize = this.#fontSize;
this.addCommands({
cmd: setFontsize.bind(this, fontSize),
undo: setFontsize.bind(this, savedFontsize),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.FREETEXT_SIZE,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateColor(color) {
const setColor = col => {
this.#color = this.editorDiv.style.color = col;
};
const savedColor = this.#color;
this.addCommands({
cmd: setColor.bind(this, color),
undo: setColor.bind(this, savedColor),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.FREETEXT_COLOR,
overwriteIfSameType: true,
keepUndo: true
});
}
_translateEmpty(x, y) {
this._uiManager.translateSelectedEditors(x, y, true);
}
getInitialTranslation() {
const scale = this.parentScale;
return [-FreeTextEditor._internalPadding * scale, -(FreeTextEditor._internalPadding + this.#fontSize) * scale];
}
rebuild() {
if (!this.parent) {
return;
}
super.rebuild();
if (this.div === null) {
return;
}
if (!this.isAttachedToDOM) {
this.parent.add(this);
}
}
enableEditMode() {
if (this.isInEditMode()) {
return;
}
this.parent.setEditingState(false);
this.parent.updateToolbar(AnnotationEditorType.FREETEXT);
super.enableEditMode();
this.overlayDiv.classList.remove("enabled");
this.editorDiv.contentEditable = true;
this._isDraggable = false;
this.div.removeAttribute("aria-activedescendant");
this.editorDiv.addEventListener("keydown", this.#boundEditorDivKeydown);
this.editorDiv.addEventListener("focus", this.#boundEditorDivFocus);
this.editorDiv.addEventListener("blur", this.#boundEditorDivBlur);
this.editorDiv.addEventListener("input", this.#boundEditorDivInput);
this.editorDiv.addEventListener("paste", this.#boundEditorDivPaste);
}
disableEditMode() {
if (!this.isInEditMode()) {
return;
}
this.parent.setEditingState(true);
super.disableEditMode();
this.overlayDiv.classList.add("enabled");
this.editorDiv.contentEditable = false;
this.div.setAttribute("aria-activedescendant", this.#editorDivId);
this._isDraggable = true;
this.editorDiv.removeEventListener("keydown", this.#boundEditorDivKeydown);
this.editorDiv.removeEventListener("focus", this.#boundEditorDivFocus);
this.editorDiv.removeEventListener("blur", this.#boundEditorDivBlur);
this.editorDiv.removeEventListener("input", this.#boundEditorDivInput);
this.editorDiv.removeEventListener("paste", this.#boundEditorDivPaste);
this.div.focus({
preventScroll: true
});
this.isEditing = false;
this.parent.div.classList.add("freetextEditing");
}
focusin(event) {
if (!this._focusEventsAllowed) {
return;
}
super.focusin(event);
if (event.target !== this.editorDiv) {
this.editorDiv.focus();
}
}
onceAdded() {
if (this.width) {
return;
}
this.enableEditMode();
this.editorDiv.focus();
if (this._initialOptions?.isCentered) {
this.center();
}
this._initialOptions = null;
}
isEmpty() {
return !this.editorDiv || this.editorDiv.innerText.trim() === "";
}
remove() {
this.isEditing = false;
if (this.parent) {
this.parent.setEditingState(true);
this.parent.div.classList.add("freetextEditing");
}
super.remove();
}
#extractText() {
const buffer = [];
this.editorDiv.normalize();
for (const child of this.editorDiv.childNodes) {
buffer.push(FreeTextEditor.#getNodeContent(child));
}
return buffer.join("\n");
}
#setEditorDimensions() {
const [parentWidth, parentHeight] = this.parentDimensions;
let rect;
if (this.isAttachedToDOM) {
rect = this.div.getBoundingClientRect();
} else {
const {
currentLayer,
div
} = this;
const savedDisplay = div.style.display;
const savedVisibility = div.classList.contains("hidden");
div.classList.remove("hidden");
div.style.display = "hidden";
currentLayer.div.append(this.div);
rect = div.getBoundingClientRect();
div.remove();
div.style.display = savedDisplay;
div.classList.toggle("hidden", savedVisibility);
}
if (this.rotation % 180 === this.parentRotation % 180) {
this.width = rect.width / parentWidth;
this.height = rect.height / parentHeight;
} else {
this.width = rect.height / parentWidth;
this.height = rect.width / parentHeight;
}
this.fixAndSetPosition();
}
commit() {
if (!this.isInEditMode()) {
return;
}
super.commit();
this.disableEditMode();
const savedText = this.#content;
const newText = this.#content = this.#extractText().trimEnd();
if (savedText === newText) {
return;
}
const setText = text => {
this.#content = text;
if (!text) {
this.remove();
return;
}
this.#setContent();
this._uiManager.rebuild(this);
this.#setEditorDimensions();
};
this.addCommands({
cmd: () => {
setText(newText);
},
undo: () => {
setText(savedText);
},
mustExec: false
});
this.#setEditorDimensions();
}
shouldGetKeyboardEvents() {
return this.isInEditMode();
}
enterInEditMode() {
this.enableEditMode();
this.editorDiv.focus();
}
dblclick(event) {
this.enterInEditMode();
}
keydown(event) {
if (event.target === this.div && event.key === "Enter") {
this.enterInEditMode();
event.preventDefault();
}
}
editorDivKeydown(event) {
FreeTextEditor._keyboardManager.exec(this, event);
}
editorDivFocus(event) {
this.isEditing = true;
}
editorDivBlur(event) {
this.isEditing = false;
}
editorDivInput(event) {
this.parent.div.classList.toggle("freetextEditing", this.isEmpty());
}
disableEditing() {
this.editorDiv.setAttribute("role", "comment");
this.editorDiv.removeAttribute("aria-multiline");
}
enableEditing() {
this.editorDiv.setAttribute("role", "textbox");
this.editorDiv.setAttribute("aria-multiline", true);
}
render() {
if (this.div) {
return this.div;
}
let baseX, baseY;
if (this.width) {
baseX = this.x;
baseY = this.y;
}
super.render();
this.editorDiv = document.createElement("div");
this.editorDiv.className = "internal";
this.editorDiv.setAttribute("id", this.#editorDivId);
this.editorDiv.setAttribute("data-l10n-id", "pdfjs-free-text");
this.enableEditing();
AnnotationEditor._l10nPromise.get("pdfjs-free-text-default-content").then(msg => this.editorDiv?.setAttribute("default-content", msg));
this.editorDiv.contentEditable = true;
const {
style
} = this.editorDiv;
style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
style.color = this.#color;
this.div.append(this.editorDiv);
this.overlayDiv = document.createElement("div");
this.overlayDiv.classList.add("overlay", "enabled");
this.div.append(this.overlayDiv);
bindEvents(this, this.div, ["dblclick", "keydown"]);
if (this.width) {
const [parentWidth, parentHeight] = this.parentDimensions;
if (this.annotationElementId) {
const {
position
} = this.#initialData;
let [tx, ty] = this.getInitialTranslation();
[tx, ty] = this.pageTranslationToScreen(tx, ty);
const [pageWidth, pageHeight] = this.pageDimensions;
const [pageX, pageY] = this.pageTranslation;
let posX, posY;
switch (this.rotation) {
case 0:
posX = baseX + (position[0] - pageX) / pageWidth;
posY = baseY + this.height - (position[1] - pageY) / pageHeight;
break;
case 90:
posX = baseX + (position[0] - pageX) / pageWidth;
posY = baseY - (position[1] - pageY) / pageHeight;
[tx, ty] = [ty, -tx];
break;
case 180:
posX = baseX - this.width + (position[0] - pageX) / pageWidth;
posY = baseY - (position[1] - pageY) / pageHeight;
[tx, ty] = [-tx, -ty];
break;
case 270:
posX = baseX + (position[0] - pageX - this.height * pageHeight) / pageWidth;
posY = baseY + (position[1] - pageY - this.width * pageWidth) / pageHeight;
[tx, ty] = [-ty, tx];
break;
}
this.setAt(posX * parentWidth, posY * parentHeight, tx, ty);
} else {
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
}
this.#setContent();
this._isDraggable = true;
this.editorDiv.contentEditable = false;
} else {
this._isDraggable = false;
this.editorDiv.contentEditable = true;
}
return this.div;
}
static #getNodeContent(node) {
return (node.nodeType === Node.TEXT_NODE ? node.nodeValue : node.innerText).replaceAll(EOL_PATTERN, "");
}
editorDivPaste(event) {
const clipboardData = event.clipboardData || window.clipboardData;
const {
types
} = clipboardData;
if (types.length === 1 && types[0] === "text/plain") {
return;
}
event.preventDefault();
const paste = FreeTextEditor.#deserializeContent(clipboardData.getData("text") || "").replaceAll(EOL_PATTERN, "\n");
if (!paste) {
return;
}
const selection = window.getSelection();
if (!selection.rangeCount) {
return;
}
this.editorDiv.normalize();
selection.deleteFromDocument();
const range = selection.getRangeAt(0);
if (!paste.includes("\n")) {
range.insertNode(document.createTextNode(paste));
this.editorDiv.normalize();
selection.collapseToStart();
return;
}
const {
startContainer,
startOffset
} = range;
const bufferBefore = [];
const bufferAfter = [];
if (startContainer.nodeType === Node.TEXT_NODE) {
const parent = startContainer.parentElement;
bufferAfter.push(startContainer.nodeValue.slice(startOffset).replaceAll(EOL_PATTERN, ""));
if (parent !== this.editorDiv) {
let buffer = bufferBefore;
for (const child of this.editorDiv.childNodes) {
if (child === parent) {
buffer = bufferAfter;
continue;
}
buffer.push(FreeTextEditor.#getNodeContent(child));
}
}
bufferBefore.push(startContainer.nodeValue.slice(0, startOffset).replaceAll(EOL_PATTERN, ""));
} else if (startContainer === this.editorDiv) {
let buffer = bufferBefore;
let i = 0;
for (const child of this.editorDiv.childNodes) {
if (i++ === startOffset) {
buffer = bufferAfter;
}
buffer.push(FreeTextEditor.#getNodeContent(child));
}
}
this.#content = `${bufferBefore.join("\n")}${paste}${bufferAfter.join("\n")}`;
this.#setContent();
const newRange = new Range();
let beforeLength = bufferBefore.reduce((acc, line) => acc + line.length, 0);
for (const {
firstChild
} of this.editorDiv.childNodes) {
if (firstChild.nodeType === Node.TEXT_NODE) {
const length = firstChild.nodeValue.length;
if (beforeLength <= length) {
newRange.setStart(firstChild, beforeLength);
newRange.setEnd(firstChild, beforeLength);
break;
}
beforeLength -= length;
}
}
selection.removeAllRanges();
selection.addRange(newRange);
}
#setContent() {
this.editorDiv.replaceChildren();
if (!this.#content) {
return;
}
for (const line of this.#content.split("\n")) {
const div = document.createElement("div");
div.append(line ? document.createTextNode(line) : document.createElement("br"));
this.editorDiv.append(div);
}
}
#serializeContent() {
return this.#content.replaceAll("\xa0", " ");
}
static #deserializeContent(content) {
return content.replaceAll(" ", "\xa0");
}
get contentDiv() {
return this.editorDiv;
}
static deserialize(data, parent, uiManager) {
let initialData = null;
if (data instanceof FreeTextAnnotationElement) {
const {
data: {
defaultAppearanceData: {
fontSize,
fontColor
},
rect,
rotation,
id
},
textContent,
textPosition,
parent: {
page: {
pageNumber
}
}
} = data;
if (!textContent || textContent.length === 0) {
return null;
}
initialData = data = {
annotationType: AnnotationEditorType.FREETEXT,
color: Array.from(fontColor),
fontSize,
value: textContent.join("\n"),
position: textPosition,
pageIndex: pageNumber - 1,
rect: rect.slice(0),
rotation,
id,
deleted: false
};
}
const editor = super.deserialize(data, parent, uiManager);
editor.#fontSize = data.fontSize;
editor.#color = Util.makeHexColor(...data.color);
editor.#content = FreeTextEditor.#deserializeContent(data.value);
editor.annotationElementId = data.id || null;
editor.#initialData = initialData;
return editor;
}
serialize(isForCopying = false) {
if (this.isEmpty()) {
return null;
}
if (this.deleted) {
return {
pageIndex: this.pageIndex,
id: this.annotationElementId,
deleted: true
};
}
const padding = FreeTextEditor._internalPadding * this.parentScale;
const rect = this.getRect(padding, padding);
const color = AnnotationEditor._colorManager.convert(this.isAttachedToDOM ? getComputedStyle(this.editorDiv).color : this.#color);
const serialized = {
annotationType: AnnotationEditorType.FREETEXT,
color,
fontSize: this.#fontSize,
value: this.#serializeContent(),
pageIndex: this.pageIndex,
rect,
rotation: this.rotation,
structTreeParentId: this._structTreeParentId
};
if (isForCopying) {
return serialized;
}
if (this.annotationElementId && !this.#hasElementChanged(serialized)) {
return null;
}
serialized.id = this.annotationElementId;
return serialized;
}
#hasElementChanged(serialized) {
const {
value,
fontSize,
color,
pageIndex
} = this.#initialData;
return this._hasBeenMoved || serialized.value !== value || serialized.fontSize !== fontSize || serialized.color.some((c, i) => c !== color[i]) || serialized.pageIndex !== pageIndex;
}
renderAnnotationElement(annotation) {
const content = super.renderAnnotationElement(annotation);
if (this.deleted) {
return content;
}
const {
style
} = content;
style.fontSize = `calc(${this.#fontSize}px * var(--scale-factor))`;
style.color = this.#color;
content.replaceChildren();
for (const line of this.#content.split("\n")) {
const div = document.createElement("div");
div.append(line ? document.createTextNode(line) : document.createElement("br"));
content.append(div);
}
const padding = FreeTextEditor._internalPadding * this.parentScale;
annotation.updateEdited({
rect: this.getRect(padding, padding),
popupContent: this.#content
});
return content;
}
resetAnnotationElement(annotation) {
super.resetAnnotationElement(annotation);
annotation.resetEdited();
}
}
;// CONCATENATED MODULE: ./src/display/editor/outliner.js
class Outliner {
#box;
#verticalEdges = [];
#intervals = [];
constructor(boxes, borderWidth = 0, innerMargin = 0, isLTR = true) {
let minX = Infinity;
let maxX = -Infinity;
let minY = Infinity;
let maxY = -Infinity;
const NUMBER_OF_DIGITS = 4;
const EPSILON = 10 ** -NUMBER_OF_DIGITS;
for (const {
x,
y,
width,
height
} of boxes) {
const x1 = Math.floor((x - borderWidth) / EPSILON) * EPSILON;
const x2 = Math.ceil((x + width + borderWidth) / EPSILON) * EPSILON;
const y1 = Math.floor((y - borderWidth) / EPSILON) * EPSILON;
const y2 = Math.ceil((y + height + borderWidth) / EPSILON) * EPSILON;
const left = [x1, y1, y2, true];
const right = [x2, y1, y2, false];
this.#verticalEdges.push(left, right);
minX = Math.min(minX, x1);
maxX = Math.max(maxX, x2);
minY = Math.min(minY, y1);
maxY = Math.max(maxY, y2);
}
const bboxWidth = maxX - minX + 2 * innerMargin;
const bboxHeight = maxY - minY + 2 * innerMargin;
const shiftedMinX = minX - innerMargin;
const shiftedMinY = minY - innerMargin;
const lastEdge = this.#verticalEdges.at(isLTR ? -1 : -2);
const lastPoint = [lastEdge[0], lastEdge[2]];
for (const edge of this.#verticalEdges) {
const [x, y1, y2] = edge;
edge[0] = (x - shiftedMinX) / bboxWidth;
edge[1] = (y1 - shiftedMinY) / bboxHeight;
edge[2] = (y2 - shiftedMinY) / bboxHeight;
}
this.#box = {
x: shiftedMinX,
y: shiftedMinY,
width: bboxWidth,
height: bboxHeight,
lastPoint
};
}
getOutlines() {
this.#verticalEdges.sort((a, b) => a[0] - b[0] || a[1] - b[1] || a[2] - b[2]);
const outlineVerticalEdges = [];
for (const edge of this.#verticalEdges) {
if (edge[3]) {
outlineVerticalEdges.push(...this.#breakEdge(edge));
this.#insert(edge);
} else {
this.#remove(edge);
outlineVerticalEdges.push(...this.#breakEdge(edge));
}
}
return this.#getOutlines(outlineVerticalEdges);
}
#getOutlines(outlineVerticalEdges) {
const edges = [];
const allEdges = new Set();
for (const edge of outlineVerticalEdges) {
const [x, y1, y2] = edge;
edges.push([x, y1, edge], [x, y2, edge]);
}
edges.sort((a, b) => a[1] - b[1] || a[0] - b[0]);
for (let i = 0, ii = edges.length; i < ii; i += 2) {
const edge1 = edges[i][2];
const edge2 = edges[i + 1][2];
edge1.push(edge2);
edge2.push(edge1);
allEdges.add(edge1);
allEdges.add(edge2);
}
const outlines = [];
let outline;
while (allEdges.size > 0) {
const edge = allEdges.values().next().value;
let [x, y1, y2, edge1, edge2] = edge;
allEdges.delete(edge);
let lastPointX = x;
let lastPointY = y1;
outline = [x, y2];
outlines.push(outline);
while (true) {
let e;
if (allEdges.has(edge1)) {
e = edge1;
} else if (allEdges.has(edge2)) {
e = edge2;
} else {
break;
}
allEdges.delete(e);
[x, y1, y2, edge1, edge2] = e;
if (lastPointX !== x) {
outline.push(lastPointX, lastPointY, x, lastPointY === y1 ? y1 : y2);
lastPointX = x;
}
lastPointY = lastPointY === y1 ? y2 : y1;
}
outline.push(lastPointX, lastPointY);
}
return new HighlightOutline(outlines, this.#box);
}
#binarySearch(y) {
const array = this.#intervals;
let start = 0;
let end = array.length - 1;
while (start <= end) {
const middle = start + end >> 1;
const y1 = array[middle][0];
if (y1 === y) {
return middle;
}
if (y1 < y) {
start = middle + 1;
} else {
end = middle - 1;
}
}
return end + 1;
}
#insert([, y1, y2]) {
const index = this.#binarySearch(y1);
this.#intervals.splice(index, 0, [y1, y2]);
}
#remove([, y1, y2]) {
const index = this.#binarySearch(y1);
for (let i = index; i < this.#intervals.length; i++) {
const [start, end] = this.#intervals[i];
if (start !== y1) {
break;
}
if (start === y1 && end === y2) {
this.#intervals.splice(i, 1);
return;
}
}
for (let i = index - 1; i >= 0; i--) {
const [start, end] = this.#intervals[i];
if (start !== y1) {
break;
}
if (start === y1 && end === y2) {
this.#intervals.splice(i, 1);
return;
}
}
}
#breakEdge(edge) {
const [x, y1, y2] = edge;
const results = [[x, y1, y2]];
const index = this.#binarySearch(y2);
for (let i = 0; i < index; i++) {
const [start, end] = this.#intervals[i];
for (let j = 0, jj = results.length; j < jj; j++) {
const [, y3, y4] = results[j];
if (end <= y3 || y4 <= start) {
continue;
}
if (y3 >= start) {
if (y4 > end) {
results[j][1] = end;
} else {
if (jj === 1) {
return [];
}
results.splice(j, 1);
j--;
jj--;
}
continue;
}
results[j][2] = start;
if (y4 > end) {
results.push([x, end, y4]);
}
}
}
return results;
}
}
class Outline {
toSVGPath() {
throw new Error("Abstract method `toSVGPath` must be implemented.");
}
get box() {
throw new Error("Abstract getter `box` must be implemented.");
}
serialize(_bbox, _rotation) {
throw new Error("Abstract method `serialize` must be implemented.");
}
get free() {
return this instanceof FreeHighlightOutline;
}
}
class HighlightOutline extends Outline {
#box;
#outlines;
constructor(outlines, box) {
super();
this.#outlines = outlines;
this.#box = box;
}
toSVGPath() {
const buffer = [];
for (const polygon of this.#outlines) {
let [prevX, prevY] = polygon;
buffer.push(`M${prevX} ${prevY}`);
for (let i = 2; i < polygon.length; i += 2) {
const x = polygon[i];
const y = polygon[i + 1];
if (x === prevX) {
buffer.push(`V${y}`);
prevY = y;
} else if (y === prevY) {
buffer.push(`H${x}`);
prevX = x;
}
}
buffer.push("Z");
}
return buffer.join(" ");
}
serialize([blX, blY, trX, trY], _rotation) {
const outlines = [];
const width = trX - blX;
const height = trY - blY;
for (const outline of this.#outlines) {
const points = new Array(outline.length);
for (let i = 0; i < outline.length; i += 2) {
points[i] = blX + outline[i] * width;
points[i + 1] = trY - outline[i + 1] * height;
}
outlines.push(points);
}
return outlines;
}
get box() {
return this.#box;
}
}
class FreeOutliner {
#box;
#bottom = [];
#innerMargin;
#isLTR;
#top = [];
#last = new Float64Array(18);
#lastX;
#lastY;
#min;
#min_dist;
#scaleFactor;
#thickness;
#points = [];
static #MIN_DIST = 8;
static #MIN_DIFF = 2;
static #MIN = FreeOutliner.#MIN_DIST + FreeOutliner.#MIN_DIFF;
constructor({
x,
y
}, box, scaleFactor, thickness, isLTR, innerMargin = 0) {
this.#box = box;
this.#thickness = thickness * scaleFactor;
this.#isLTR = isLTR;
this.#last.set([NaN, NaN, NaN, NaN, x, y], 6);
this.#innerMargin = innerMargin;
this.#min_dist = FreeOutliner.#MIN_DIST * scaleFactor;
this.#min = FreeOutliner.#MIN * scaleFactor;
this.#scaleFactor = scaleFactor;
this.#points.push(x, y);
}
get free() {
return true;
}
isEmpty() {
return isNaN(this.#last[8]);
}
#getLastCoords() {
const lastTop = this.#last.subarray(4, 6);
const lastBottom = this.#last.subarray(16, 18);
const [x, y, width, height] = this.#box;
return [(this.#lastX + (lastTop[0] - lastBottom[0]) / 2 - x) / width, (this.#lastY + (lastTop[1] - lastBottom[1]) / 2 - y) / height, (this.#lastX + (lastBottom[0] - lastTop[0]) / 2 - x) / width, (this.#lastY + (lastBottom[1] - lastTop[1]) / 2 - y) / height];
}
add({
x,
y
}) {
this.#lastX = x;
this.#lastY = y;
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
let [x1, y1, x2, y2] = this.#last.subarray(8, 12);
const diffX = x - x2;
const diffY = y - y2;
const d = Math.hypot(diffX, diffY);
if (d < this.#min) {
return false;
}
const diffD = d - this.#min_dist;
const K = diffD / d;
const shiftX = K * diffX;
const shiftY = K * diffY;
let x0 = x1;
let y0 = y1;
x1 = x2;
y1 = y2;
x2 += shiftX;
y2 += shiftY;
this.#points?.push(x, y);
const nX = -shiftY / diffD;
const nY = shiftX / diffD;
const thX = nX * this.#thickness;
const thY = nY * this.#thickness;
this.#last.set(this.#last.subarray(2, 8), 0);
this.#last.set([x2 + thX, y2 + thY], 4);
this.#last.set(this.#last.subarray(14, 18), 12);
this.#last.set([x2 - thX, y2 - thY], 16);
if (isNaN(this.#last[6])) {
if (this.#top.length === 0) {
this.#last.set([x1 + thX, y1 + thY], 2);
this.#top.push(NaN, NaN, NaN, NaN, (x1 + thX - layerX) / layerWidth, (y1 + thY - layerY) / layerHeight);
this.#last.set([x1 - thX, y1 - thY], 14);
this.#bottom.push(NaN, NaN, NaN, NaN, (x1 - thX - layerX) / layerWidth, (y1 - thY - layerY) / layerHeight);
}
this.#last.set([x0, y0, x1, y1, x2, y2], 6);
return !this.isEmpty();
}
this.#last.set([x0, y0, x1, y1, x2, y2], 6);
const angle = Math.abs(Math.atan2(y0 - y1, x0 - x1) - Math.atan2(shiftY, shiftX));
if (angle < Math.PI / 2) {
[x1, y1, x2, y2] = this.#last.subarray(2, 6);
this.#top.push(NaN, NaN, NaN, NaN, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
[x1, y1, x0, y0] = this.#last.subarray(14, 18);
this.#bottom.push(NaN, NaN, NaN, NaN, ((x0 + x1) / 2 - layerX) / layerWidth, ((y0 + y1) / 2 - layerY) / layerHeight);
return true;
}
[x0, y0, x1, y1, x2, y2] = this.#last.subarray(0, 6);
this.#top.push(((x0 + 5 * x1) / 6 - layerX) / layerWidth, ((y0 + 5 * y1) / 6 - layerY) / layerHeight, ((5 * x1 + x2) / 6 - layerX) / layerWidth, ((5 * y1 + y2) / 6 - layerY) / layerHeight, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
[x2, y2, x1, y1, x0, y0] = this.#last.subarray(12, 18);
this.#bottom.push(((x0 + 5 * x1) / 6 - layerX) / layerWidth, ((y0 + 5 * y1) / 6 - layerY) / layerHeight, ((5 * x1 + x2) / 6 - layerX) / layerWidth, ((5 * y1 + y2) / 6 - layerY) / layerHeight, ((x1 + x2) / 2 - layerX) / layerWidth, ((y1 + y2) / 2 - layerY) / layerHeight);
return true;
}
toSVGPath() {
if (this.isEmpty()) {
return "";
}
const top = this.#top;
const bottom = this.#bottom;
const lastTop = this.#last.subarray(4, 6);
const lastBottom = this.#last.subarray(16, 18);
const [x, y, width, height] = this.#box;
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
if (isNaN(this.#last[6]) && !this.isEmpty()) {
return `M${(this.#last[2] - x) / width} ${(this.#last[3] - y) / height} L${(this.#last[4] - x) / width} ${(this.#last[5] - y) / height} L${lastTopX} ${lastTopY} L${lastBottomX} ${lastBottomY} L${(this.#last[16] - x) / width} ${(this.#last[17] - y) / height} L${(this.#last[14] - x) / width} ${(this.#last[15] - y) / height} Z`;
}
const buffer = [];
buffer.push(`M${top[4]} ${top[5]}`);
for (let i = 6; i < top.length; i += 6) {
if (isNaN(top[i])) {
buffer.push(`L${top[i + 4]} ${top[i + 5]}`);
} else {
buffer.push(`C${top[i]} ${top[i + 1]} ${top[i + 2]} ${top[i + 3]} ${top[i + 4]} ${top[i + 5]}`);
}
}
buffer.push(`L${(lastTop[0] - x) / width} ${(lastTop[1] - y) / height} L${lastTopX} ${lastTopY} L${lastBottomX} ${lastBottomY} L${(lastBottom[0] - x) / width} ${(lastBottom[1] - y) / height}`);
for (let i = bottom.length - 6; i >= 6; i -= 6) {
if (isNaN(bottom[i])) {
buffer.push(`L${bottom[i + 4]} ${bottom[i + 5]}`);
} else {
buffer.push(`C${bottom[i]} ${bottom[i + 1]} ${bottom[i + 2]} ${bottom[i + 3]} ${bottom[i + 4]} ${bottom[i + 5]}`);
}
}
buffer.push(`L${bottom[4]} ${bottom[5]} Z`);
return buffer.join(" ");
}
getOutlines() {
const top = this.#top;
const bottom = this.#bottom;
const last = this.#last;
const lastTop = last.subarray(4, 6);
const lastBottom = last.subarray(16, 18);
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
const points = new Float64Array((this.#points?.length ?? 0) + 2);
for (let i = 0, ii = points.length - 2; i < ii; i += 2) {
points[i] = (this.#points[i] - layerX) / layerWidth;
points[i + 1] = (this.#points[i + 1] - layerY) / layerHeight;
}
points[points.length - 2] = (this.#lastX - layerX) / layerWidth;
points[points.length - 1] = (this.#lastY - layerY) / layerHeight;
const [lastTopX, lastTopY, lastBottomX, lastBottomY] = this.#getLastCoords();
if (isNaN(last[6]) && !this.isEmpty()) {
const outline = new Float64Array(36);
outline.set([NaN, NaN, NaN, NaN, (last[2] - layerX) / layerWidth, (last[3] - layerY) / layerHeight, NaN, NaN, NaN, NaN, (last[4] - layerX) / layerWidth, (last[5] - layerY) / layerHeight, NaN, NaN, NaN, NaN, lastTopX, lastTopY, NaN, NaN, NaN, NaN, lastBottomX, lastBottomY, NaN, NaN, NaN, NaN, (last[16] - layerX) / layerWidth, (last[17] - layerY) / layerHeight, NaN, NaN, NaN, NaN, (last[14] - layerX) / layerWidth, (last[15] - layerY) / layerHeight], 0);
return new FreeHighlightOutline(outline, points, this.#box, this.#scaleFactor, this.#innerMargin, this.#isLTR);
}
const outline = new Float64Array(this.#top.length + 24 + this.#bottom.length);
let N = top.length;
for (let i = 0; i < N; i += 2) {
if (isNaN(top[i])) {
outline[i] = outline[i + 1] = NaN;
continue;
}
outline[i] = top[i];
outline[i + 1] = top[i + 1];
}
outline.set([NaN, NaN, NaN, NaN, (lastTop[0] - layerX) / layerWidth, (lastTop[1] - layerY) / layerHeight, NaN, NaN, NaN, NaN, lastTopX, lastTopY, NaN, NaN, NaN, NaN, lastBottomX, lastBottomY, NaN, NaN, NaN, NaN, (lastBottom[0] - layerX) / layerWidth, (lastBottom[1] - layerY) / layerHeight], N);
N += 24;
for (let i = bottom.length - 6; i >= 6; i -= 6) {
for (let j = 0; j < 6; j += 2) {
if (isNaN(bottom[i + j])) {
outline[N] = outline[N + 1] = NaN;
N += 2;
continue;
}
outline[N] = bottom[i + j];
outline[N + 1] = bottom[i + j + 1];
N += 2;
}
}
outline.set([NaN, NaN, NaN, NaN, bottom[4], bottom[5]], N);
return new FreeHighlightOutline(outline, points, this.#box, this.#scaleFactor, this.#innerMargin, this.#isLTR);
}
}
class FreeHighlightOutline extends Outline {
#box;
#bbox = null;
#innerMargin;
#isLTR;
#points;
#scaleFactor;
#outline;
constructor(outline, points, box, scaleFactor, innerMargin, isLTR) {
super();
this.#outline = outline;
this.#points = points;
this.#box = box;
this.#scaleFactor = scaleFactor;
this.#innerMargin = innerMargin;
this.#isLTR = isLTR;
this.#computeMinMax(isLTR);
const {
x,
y,
width,
height
} = this.#bbox;
for (let i = 0, ii = outline.length; i < ii; i += 2) {
outline[i] = (outline[i] - x) / width;
outline[i + 1] = (outline[i + 1] - y) / height;
}
for (let i = 0, ii = points.length; i < ii; i += 2) {
points[i] = (points[i] - x) / width;
points[i + 1] = (points[i + 1] - y) / height;
}
}
toSVGPath() {
const buffer = [`M${this.#outline[4]} ${this.#outline[5]}`];
for (let i = 6, ii = this.#outline.length; i < ii; i += 6) {
if (isNaN(this.#outline[i])) {
buffer.push(`L${this.#outline[i + 4]} ${this.#outline[i + 5]}`);
continue;
}
buffer.push(`C${this.#outline[i]} ${this.#outline[i + 1]} ${this.#outline[i + 2]} ${this.#outline[i + 3]} ${this.#outline[i + 4]} ${this.#outline[i + 5]}`);
}
buffer.push("Z");
return buffer.join(" ");
}
serialize([blX, blY, trX, trY], rotation) {
const width = trX - blX;
const height = trY - blY;
let outline;
let points;
switch (rotation) {
case 0:
outline = this.#rescale(this.#outline, blX, trY, width, -height);
points = this.#rescale(this.#points, blX, trY, width, -height);
break;
case 90:
outline = this.#rescaleAndSwap(this.#outline, blX, blY, width, height);
points = this.#rescaleAndSwap(this.#points, blX, blY, width, height);
break;
case 180:
outline = this.#rescale(this.#outline, trX, blY, -width, height);
points = this.#rescale(this.#points, trX, blY, -width, height);
break;
case 270:
outline = this.#rescaleAndSwap(this.#outline, trX, trY, -width, -height);
points = this.#rescaleAndSwap(this.#points, trX, trY, -width, -height);
break;
}
return {
outline: Array.from(outline),
points: [Array.from(points)]
};
}
#rescale(src, tx, ty, sx, sy) {
const dest = new Float64Array(src.length);
for (let i = 0, ii = src.length; i < ii; i += 2) {
dest[i] = tx + src[i] * sx;
dest[i + 1] = ty + src[i + 1] * sy;
}
return dest;
}
#rescaleAndSwap(src, tx, ty, sx, sy) {
const dest = new Float64Array(src.length);
for (let i = 0, ii = src.length; i < ii; i += 2) {
dest[i] = tx + src[i + 1] * sx;
dest[i + 1] = ty + src[i] * sy;
}
return dest;
}
#computeMinMax(isLTR) {
const outline = this.#outline;
let lastX = outline[4];
let lastY = outline[5];
let minX = lastX;
let minY = lastY;
let maxX = lastX;
let maxY = lastY;
let lastPointX = lastX;
let lastPointY = lastY;
const ltrCallback = isLTR ? Math.max : Math.min;
for (let i = 6, ii = outline.length; i < ii; i += 6) {
if (isNaN(outline[i])) {
minX = Math.min(minX, outline[i + 4]);
minY = Math.min(minY, outline[i + 5]);
maxX = Math.max(maxX, outline[i + 4]);
maxY = Math.max(maxY, outline[i + 5]);
if (lastPointY < outline[i + 5]) {
lastPointX = outline[i + 4];
lastPointY = outline[i + 5];
} else if (lastPointY === outline[i + 5]) {
lastPointX = ltrCallback(lastPointX, outline[i + 4]);
}
} else {
const bbox = Util.bezierBoundingBox(lastX, lastY, ...outline.slice(i, i + 6));
minX = Math.min(minX, bbox[0]);
minY = Math.min(minY, bbox[1]);
maxX = Math.max(maxX, bbox[2]);
maxY = Math.max(maxY, bbox[3]);
if (lastPointY < bbox[3]) {
lastPointX = bbox[2];
lastPointY = bbox[3];
} else if (lastPointY === bbox[3]) {
lastPointX = ltrCallback(lastPointX, bbox[2]);
}
}
lastX = outline[i + 4];
lastY = outline[i + 5];
}
const x = minX - this.#innerMargin,
y = minY - this.#innerMargin,
width = maxX - minX + 2 * this.#innerMargin,
height = maxY - minY + 2 * this.#innerMargin;
this.#bbox = {
x,
y,
width,
height,
lastPoint: [lastPointX, lastPointY]
};
}
get box() {
return this.#bbox;
}
getNewOutline(thickness, innerMargin) {
const {
x,
y,
width,
height
} = this.#bbox;
const [layerX, layerY, layerWidth, layerHeight] = this.#box;
const sx = width * layerWidth;
const sy = height * layerHeight;
const tx = x * layerWidth + layerX;
const ty = y * layerHeight + layerY;
const outliner = new FreeOutliner({
x: this.#points[0] * sx + tx,
y: this.#points[1] * sy + ty
}, this.#box, this.#scaleFactor, thickness, this.#isLTR, innerMargin ?? this.#innerMargin);
for (let i = 2; i < this.#points.length; i += 2) {
outliner.add({
x: this.#points[i] * sx + tx,
y: this.#points[i + 1] * sy + ty
});
}
return outliner.getOutlines();
}
}
;// CONCATENATED MODULE: ./src/display/editor/color_picker.js
class ColorPicker {
#boundKeyDown = this.#keyDown.bind(this);
#boundPointerDown = this.#pointerDown.bind(this);
#button = null;
#buttonSwatch = null;
#defaultColor;
#dropdown = null;
#dropdownWasFromKeyboard = false;
#isMainColorPicker = false;
#editor = null;
#eventBus;
#uiManager = null;
#type;
static get _keyboardManager() {
return shadow(this, "_keyboardManager", new KeyboardManager([[["Escape", "mac+Escape"], ColorPicker.prototype._hideDropdownFromKeyboard], [[" ", "mac+ "], ColorPicker.prototype._colorSelectFromKeyboard], [["ArrowDown", "ArrowRight", "mac+ArrowDown", "mac+ArrowRight"], ColorPicker.prototype._moveToNext], [["ArrowUp", "ArrowLeft", "mac+ArrowUp", "mac+ArrowLeft"], ColorPicker.prototype._moveToPrevious], [["Home", "mac+Home"], ColorPicker.prototype._moveToBeginning], [["End", "mac+End"], ColorPicker.prototype._moveToEnd]]));
}
constructor({
editor = null,
uiManager = null
}) {
if (editor) {
this.#isMainColorPicker = false;
this.#type = AnnotationEditorParamsType.HIGHLIGHT_COLOR;
this.#editor = editor;
} else {
this.#isMainColorPicker = true;
this.#type = AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR;
}
this.#uiManager = editor?._uiManager || uiManager;
this.#eventBus = this.#uiManager._eventBus;
this.#defaultColor = editor?.color || this.#uiManager?.highlightColors.values().next().value || "#FFFF98";
}
renderButton() {
const button = this.#button = document.createElement("button");
button.className = "colorPicker";
button.tabIndex = "0";
button.setAttribute("data-l10n-id", "pdfjs-editor-colorpicker-button");
button.setAttribute("aria-haspopup", true);
button.addEventListener("click", this.#openDropdown.bind(this));
button.addEventListener("keydown", this.#boundKeyDown);
const swatch = this.#buttonSwatch = document.createElement("span");
swatch.className = "swatch";
swatch.setAttribute("aria-hidden", true);
swatch.style.backgroundColor = this.#defaultColor;
button.append(swatch);
return button;
}
renderMainDropdown() {
const dropdown = this.#dropdown = this.#getDropdownRoot();
dropdown.setAttribute("aria-orientation", "horizontal");
dropdown.setAttribute("aria-labelledby", "highlightColorPickerLabel");
return dropdown;
}
#getDropdownRoot() {
const div = document.createElement("div");
div.addEventListener("contextmenu", noContextMenu);
div.className = "dropdown";
div.role = "listbox";
div.setAttribute("aria-multiselectable", false);
div.setAttribute("aria-orientation", "vertical");
div.setAttribute("data-l10n-id", "pdfjs-editor-colorpicker-dropdown");
for (const [name, color] of this.#uiManager.highlightColors) {
const button = document.createElement("button");
button.tabIndex = "0";
button.role = "option";
button.setAttribute("data-color", color);
button.title = name;
button.setAttribute("data-l10n-id", `pdfjs-editor-colorpicker-${name}`);
const swatch = document.createElement("span");
button.append(swatch);
swatch.className = "swatch";
swatch.style.backgroundColor = color;
button.setAttribute("aria-selected", color === this.#defaultColor);
button.addEventListener("click", this.#colorSelect.bind(this, color));
div.append(button);
}
div.addEventListener("keydown", this.#boundKeyDown);
return div;
}
#colorSelect(color, event) {
event.stopPropagation();
this.#eventBus.dispatch("switchannotationeditorparams", {
source: this,
type: this.#type,
value: color
});
}
_colorSelectFromKeyboard(event) {
if (event.target === this.#button) {
this.#openDropdown(event);
return;
}
const color = event.target.getAttribute("data-color");
if (!color) {
return;
}
this.#colorSelect(color, event);
}
_moveToNext(event) {
if (!this.#isDropdownVisible) {
this.#openDropdown(event);
return;
}
if (event.target === this.#button) {
this.#dropdown.firstChild?.focus();
return;
}
event.target.nextSibling?.focus();
}
_moveToPrevious(event) {
if (event.target === this.#dropdown?.firstChild || event.target === this.#button) {
if (this.#isDropdownVisible) {
this._hideDropdownFromKeyboard();
}
return;
}
if (!this.#isDropdownVisible) {
this.#openDropdown(event);
}
event.target.previousSibling?.focus();
}
_moveToBeginning(event) {
if (!this.#isDropdownVisible) {
this.#openDropdown(event);
return;
}
this.#dropdown.firstChild?.focus();
}
_moveToEnd(event) {
if (!this.#isDropdownVisible) {
this.#openDropdown(event);
return;
}
this.#dropdown.lastChild?.focus();
}
#keyDown(event) {
ColorPicker._keyboardManager.exec(this, event);
}
#openDropdown(event) {
if (this.#isDropdownVisible) {
this.hideDropdown();
return;
}
this.#dropdownWasFromKeyboard = event.detail === 0;
window.addEventListener("pointerdown", this.#boundPointerDown);
if (this.#dropdown) {
this.#dropdown.classList.remove("hidden");
return;
}
const root = this.#dropdown = this.#getDropdownRoot();
this.#button.append(root);
}
#pointerDown(event) {
if (this.#dropdown?.contains(event.target)) {
return;
}
this.hideDropdown();
}
hideDropdown() {
this.#dropdown?.classList.add("hidden");
window.removeEventListener("pointerdown", this.#boundPointerDown);
}
get #isDropdownVisible() {
return this.#dropdown && !this.#dropdown.classList.contains("hidden");
}
_hideDropdownFromKeyboard() {
if (this.#isMainColorPicker) {
return;
}
if (!this.#isDropdownVisible) {
this.#editor?.unselect();
return;
}
this.hideDropdown();
this.#button.focus({
preventScroll: true,
focusVisible: this.#dropdownWasFromKeyboard
});
}
updateColor(color) {
if (this.#buttonSwatch) {
this.#buttonSwatch.style.backgroundColor = color;
}
if (!this.#dropdown) {
return;
}
const i = this.#uiManager.highlightColors.values();
for (const child of this.#dropdown.children) {
child.setAttribute("aria-selected", i.next().value === color);
}
}
destroy() {
this.#button?.remove();
this.#button = null;
this.#buttonSwatch = null;
this.#dropdown?.remove();
this.#dropdown = null;
}
}
;// CONCATENATED MODULE: ./src/display/editor/highlight.js
class HighlightEditor extends AnnotationEditor {
#anchorNode = null;
#anchorOffset = 0;
#boxes;
#clipPathId = null;
#colorPicker = null;
#focusOutlines = null;
#focusNode = null;
#focusOffset = 0;
#highlightDiv = null;
#highlightOutlines = null;
#id = null;
#isFreeHighlight = false;
#boundKeydown = this.#keydown.bind(this);
#lastPoint = null;
#opacity;
#outlineId = null;
#text = "";
#thickness;
#methodOfCreation = "";
static _defaultColor = null;
static _defaultOpacity = 1;
static _defaultThickness = 12;
static _l10nPromise;
static _type = "highlight";
static _editorType = AnnotationEditorType.HIGHLIGHT;
static _freeHighlightId = -1;
static _freeHighlight = null;
static _freeHighlightClipId = "";
static get _keyboardManager() {
const proto = HighlightEditor.prototype;
return shadow(this, "_keyboardManager", new KeyboardManager([[["ArrowLeft", "mac+ArrowLeft"], proto._moveCaret, {
args: [0]
}], [["ArrowRight", "mac+ArrowRight"], proto._moveCaret, {
args: [1]
}], [["ArrowUp", "mac+ArrowUp"], proto._moveCaret, {
args: [2]
}], [["ArrowDown", "mac+ArrowDown"], proto._moveCaret, {
args: [3]
}]]));
}
constructor(params) {
super({
...params,
name: "highlightEditor"
});
this.color = params.color || HighlightEditor._defaultColor;
this.#thickness = params.thickness || HighlightEditor._defaultThickness;
this.#opacity = params.opacity || HighlightEditor._defaultOpacity;
this.#boxes = params.boxes || null;
this.#methodOfCreation = params.methodOfCreation || "";
this.#text = params.text || "";
this._isDraggable = false;
if (params.highlightId > -1) {
this.#isFreeHighlight = true;
this.#createFreeOutlines(params);
this.#addToDrawLayer();
} else {
this.#anchorNode = params.anchorNode;
this.#anchorOffset = params.anchorOffset;
this.#focusNode = params.focusNode;
this.#focusOffset = params.focusOffset;
this.#createOutlines();
this.#addToDrawLayer();
this.rotate(this.rotation);
}
}
get telemetryInitialData() {
return {
action: "added",
type: this.#isFreeHighlight ? "free_highlight" : "highlight",
color: this._uiManager.highlightColorNames.get(this.color),
thickness: this.#thickness,
methodOfCreation: this.#methodOfCreation
};
}
get telemetryFinalData() {
return {
type: "highlight",
color: this._uiManager.highlightColorNames.get(this.color)
};
}
static computeTelemetryFinalData(data) {
return {
numberOfColors: data.get("color").size
};
}
#createOutlines() {
const outliner = new Outliner(this.#boxes, 0.001);
this.#highlightOutlines = outliner.getOutlines();
({
x: this.x,
y: this.y,
width: this.width,
height: this.height
} = this.#highlightOutlines.box);
const outlinerForOutline = new Outliner(this.#boxes, 0.0025, 0.001, this._uiManager.direction === "ltr");
this.#focusOutlines = outlinerForOutline.getOutlines();
const {
lastPoint
} = this.#focusOutlines.box;
this.#lastPoint = [(lastPoint[0] - this.x) / this.width, (lastPoint[1] - this.y) / this.height];
}
#createFreeOutlines({
highlightOutlines,
highlightId,
clipPathId
}) {
this.#highlightOutlines = highlightOutlines;
const extraThickness = 1.5;
this.#focusOutlines = highlightOutlines.getNewOutline(this.#thickness / 2 + extraThickness, 0.0025);
if (highlightId >= 0) {
this.#id = highlightId;
this.#clipPathId = clipPathId;
this.parent.drawLayer.finalizeLine(highlightId, highlightOutlines);
this.#outlineId = this.parent.drawLayer.highlightOutline(this.#focusOutlines);
} else if (this.parent) {
const angle = this.parent.viewport.rotation;
this.parent.drawLayer.updateLine(this.#id, highlightOutlines);
this.parent.drawLayer.updateBox(this.#id, HighlightEditor.#rotateBbox(this.#highlightOutlines.box, (angle - this.rotation + 360) % 360));
this.parent.drawLayer.updateLine(this.#outlineId, this.#focusOutlines);
this.parent.drawLayer.updateBox(this.#outlineId, HighlightEditor.#rotateBbox(this.#focusOutlines.box, angle));
}
const {
x,
y,
width,
height
} = highlightOutlines.box;
switch (this.rotation) {
case 0:
this.x = x;
this.y = y;
this.width = width;
this.height = height;
break;
case 90:
{
const [pageWidth, pageHeight] = this.parentDimensions;
this.x = y;
this.y = 1 - x;
this.width = width * pageHeight / pageWidth;
this.height = height * pageWidth / pageHeight;
break;
}
case 180:
this.x = 1 - x;
this.y = 1 - y;
this.width = width;
this.height = height;
break;
case 270:
{
const [pageWidth, pageHeight] = this.parentDimensions;
this.x = 1 - y;
this.y = x;
this.width = width * pageHeight / pageWidth;
this.height = height * pageWidth / pageHeight;
break;
}
}
const {
lastPoint
} = this.#focusOutlines.box;
this.#lastPoint = [(lastPoint[0] - x) / width, (lastPoint[1] - y) / height];
}
static initialize(l10n, uiManager) {
AnnotationEditor.initialize(l10n, uiManager);
HighlightEditor._defaultColor ||= uiManager.highlightColors?.values().next().value || "#fff066";
}
static updateDefaultParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR:
HighlightEditor._defaultColor = value;
break;
case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
HighlightEditor._defaultThickness = value;
break;
}
}
translateInPage(x, y) {}
get toolbarPosition() {
return this.#lastPoint;
}
updateParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.HIGHLIGHT_COLOR:
this.#updateColor(value);
break;
case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS:
this.#updateThickness(value);
break;
}
}
static get defaultPropertiesToUpdate() {
return [[AnnotationEditorParamsType.HIGHLIGHT_DEFAULT_COLOR, HighlightEditor._defaultColor], [AnnotationEditorParamsType.HIGHLIGHT_THICKNESS, HighlightEditor._defaultThickness]];
}
get propertiesToUpdate() {
return [[AnnotationEditorParamsType.HIGHLIGHT_COLOR, this.color || HighlightEditor._defaultColor], [AnnotationEditorParamsType.HIGHLIGHT_THICKNESS, this.#thickness || HighlightEditor._defaultThickness], [AnnotationEditorParamsType.HIGHLIGHT_FREE, this.#isFreeHighlight]];
}
#updateColor(color) {
const setColor = col => {
this.color = col;
this.parent?.drawLayer.changeColor(this.#id, col);
this.#colorPicker?.updateColor(col);
};
const savedColor = this.color;
this.addCommands({
cmd: setColor.bind(this, color),
undo: setColor.bind(this, savedColor),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.HIGHLIGHT_COLOR,
overwriteIfSameType: true,
keepUndo: true
});
this._reportTelemetry({
action: "color_changed",
color: this._uiManager.highlightColorNames.get(color)
}, true);
}
#updateThickness(thickness) {
const savedThickness = this.#thickness;
const setThickness = th => {
this.#thickness = th;
this.#changeThickness(th);
};
this.addCommands({
cmd: setThickness.bind(this, thickness),
undo: setThickness.bind(this, savedThickness),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.INK_THICKNESS,
overwriteIfSameType: true,
keepUndo: true
});
this._reportTelemetry({
action: "thickness_changed",
thickness
}, true);
}
async addEditToolbar() {
const toolbar = await super.addEditToolbar();
if (!toolbar) {
return null;
}
if (this._uiManager.highlightColors) {
this.#colorPicker = new ColorPicker({
editor: this
});
toolbar.addColorPicker(this.#colorPicker);
}
return toolbar;
}
disableEditing() {
super.disableEditing();
this.div.classList.toggle("disabled", true);
}
enableEditing() {
super.enableEditing();
this.div.classList.toggle("disabled", false);
}
fixAndSetPosition() {
return super.fixAndSetPosition(this.#getRotation());
}
getBaseTranslation() {
return [0, 0];
}
getRect(tx, ty) {
return super.getRect(tx, ty, this.#getRotation());
}
onceAdded() {
this.parent.addUndoableEditor(this);
this.div.focus();
}
remove() {
this.#cleanDrawLayer();
this._reportTelemetry({
action: "deleted"
});
super.remove();
}
rebuild() {
if (!this.parent) {
return;
}
super.rebuild();
if (this.div === null) {
return;
}
this.#addToDrawLayer();
if (!this.isAttachedToDOM) {
this.parent.add(this);
}
}
setParent(parent) {
let mustBeSelected = false;
if (this.parent && !parent) {
this.#cleanDrawLayer();
} else if (parent) {
this.#addToDrawLayer(parent);
mustBeSelected = !this.parent && this.div?.classList.contains("selectedEditor");
}
super.setParent(parent);
this.show(this._isVisible);
if (mustBeSelected) {
this.select();
}
}
#changeThickness(thickness) {
if (!this.#isFreeHighlight) {
return;
}
this.#createFreeOutlines({
highlightOutlines: this.#highlightOutlines.getNewOutline(thickness / 2)
});
this.fixAndSetPosition();
const [parentWidth, parentHeight] = this.parentDimensions;
this.setDims(this.width * parentWidth, this.height * parentHeight);
}
#cleanDrawLayer() {
if (this.#id === null || !this.parent) {
return;
}
this.parent.drawLayer.remove(this.#id);
this.#id = null;
this.parent.drawLayer.remove(this.#outlineId);
this.#outlineId = null;
}
#addToDrawLayer(parent = this.parent) {
if (this.#id !== null) {
return;
}
({
id: this.#id,
clipPathId: this.#clipPathId
} = parent.drawLayer.highlight(this.#highlightOutlines, this.color, this.#opacity));
this.#outlineId = parent.drawLayer.highlightOutline(this.#focusOutlines);
if (this.#highlightDiv) {
this.#highlightDiv.style.clipPath = this.#clipPathId;
}
}
static #rotateBbox({
x,
y,
width,
height
}, angle) {
switch (angle) {
case 90:
return {
x: 1 - y - height,
y: x,
width: height,
height: width
};
case 180:
return {
x: 1 - x - width,
y: 1 - y - height,
width,
height
};
case 270:
return {
x: y,
y: 1 - x - width,
width: height,
height: width
};
}
return {
x,
y,
width,
height
};
}
rotate(angle) {
const {
drawLayer
} = this.parent;
let box;
if (this.#isFreeHighlight) {
angle = (angle - this.rotation + 360) % 360;
box = HighlightEditor.#rotateBbox(this.#highlightOutlines.box, angle);
} else {
box = HighlightEditor.#rotateBbox(this, angle);
}
drawLayer.rotate(this.#id, angle);
drawLayer.rotate(this.#outlineId, angle);
drawLayer.updateBox(this.#id, box);
drawLayer.updateBox(this.#outlineId, HighlightEditor.#rotateBbox(this.#focusOutlines.box, angle));
}
render() {
if (this.div) {
return this.div;
}
const div = super.render();
if (this.#text) {
div.setAttribute("aria-label", this.#text);
div.setAttribute("role", "mark");
}
if (this.#isFreeHighlight) {
div.classList.add("free");
} else {
this.div.addEventListener("keydown", this.#boundKeydown);
}
const highlightDiv = this.#highlightDiv = document.createElement("div");
div.append(highlightDiv);
highlightDiv.setAttribute("aria-hidden", "true");
highlightDiv.className = "internal";
highlightDiv.style.clipPath = this.#clipPathId;
const [parentWidth, parentHeight] = this.parentDimensions;
this.setDims(this.width * parentWidth, this.height * parentHeight);
bindEvents(this, this.#highlightDiv, ["pointerover", "pointerleave"]);
this.enableEditing();
return div;
}
pointerover() {
this.parent.drawLayer.addClass(this.#outlineId, "hovered");
}
pointerleave() {
this.parent.drawLayer.removeClass(this.#outlineId, "hovered");
}
#keydown(event) {
HighlightEditor._keyboardManager.exec(this, event);
}
_moveCaret(direction) {
this.parent.unselect(this);
switch (direction) {
case 0:
case 2:
this.#setCaret(true);
break;
case 1:
case 3:
this.#setCaret(false);
break;
}
}
#setCaret(start) {
if (!this.#anchorNode) {
return;
}
const selection = window.getSelection();
if (start) {
selection.setPosition(this.#anchorNode, this.#anchorOffset);
} else {
selection.setPosition(this.#focusNode, this.#focusOffset);
}
}
select() {
super.select();
if (!this.#outlineId) {
return;
}
this.parent?.drawLayer.removeClass(this.#outlineId, "hovered");
this.parent?.drawLayer.addClass(this.#outlineId, "selected");
}
unselect() {
super.unselect();
if (!this.#outlineId) {
return;
}
this.parent?.drawLayer.removeClass(this.#outlineId, "selected");
if (!this.#isFreeHighlight) {
this.#setCaret(false);
}
}
get _mustFixPosition() {
return !this.#isFreeHighlight;
}
show(visible = this._isVisible) {
super.show(visible);
if (this.parent) {
this.parent.drawLayer.show(this.#id, visible);
this.parent.drawLayer.show(this.#outlineId, visible);
}
}
#getRotation() {
return this.#isFreeHighlight ? this.rotation : 0;
}
#serializeBoxes() {
if (this.#isFreeHighlight) {
return null;
}
const [pageWidth, pageHeight] = this.pageDimensions;
const boxes = this.#boxes;
const quadPoints = new Array(boxes.length * 8);
let i = 0;
for (const {
x,
y,
width,
height
} of boxes) {
const sx = x * pageWidth;
const sy = (1 - y - height) * pageHeight;
quadPoints[i] = quadPoints[i + 4] = sx;
quadPoints[i + 1] = quadPoints[i + 3] = sy;
quadPoints[i + 2] = quadPoints[i + 6] = sx + width * pageWidth;
quadPoints[i + 5] = quadPoints[i + 7] = sy + height * pageHeight;
i += 8;
}
return quadPoints;
}
#serializeOutlines(rect) {
return this.#highlightOutlines.serialize(rect, this.#getRotation());
}
static startHighlighting(parent, isLTR, {
target: textLayer,
x,
y
}) {
const {
x: layerX,
y: layerY,
width: parentWidth,
height: parentHeight
} = textLayer.getBoundingClientRect();
const pointerMove = e => {
this.#highlightMove(parent, e);
};
const pointerDownOptions = {
capture: true,
passive: false
};
const pointerDown = e => {
e.preventDefault();
e.stopPropagation();
};
const pointerUpCallback = e => {
textLayer.removeEventListener("pointermove", pointerMove);
window.removeEventListener("blur", pointerUpCallback);
window.removeEventListener("pointerup", pointerUpCallback);
window.removeEventListener("pointerdown", pointerDown, pointerDownOptions);
window.removeEventListener("contextmenu", noContextMenu);
this.#endHighlight(parent, e);
};
window.addEventListener("blur", pointerUpCallback);
window.addEventListener("pointerup", pointerUpCallback);
window.addEventListener("pointerdown", pointerDown, pointerDownOptions);
window.addEventListener("contextmenu", noContextMenu);
textLayer.addEventListener("pointermove", pointerMove);
this._freeHighlight = new FreeOutliner({
x,
y
}, [layerX, layerY, parentWidth, parentHeight], parent.scale, this._defaultThickness / 2, isLTR, 0.001);
({
id: this._freeHighlightId,
clipPathId: this._freeHighlightClipId
} = parent.drawLayer.highlight(this._freeHighlight, this._defaultColor, this._defaultOpacity, true));
}
static #highlightMove(parent, event) {
if (this._freeHighlight.add(event)) {
parent.drawLayer.updatePath(this._freeHighlightId, this._freeHighlight);
}
}
static #endHighlight(parent, event) {
if (!this._freeHighlight.isEmpty()) {
parent.createAndAddNewEditor(event, false, {
highlightId: this._freeHighlightId,
highlightOutlines: this._freeHighlight.getOutlines(),
clipPathId: this._freeHighlightClipId,
methodOfCreation: "main_toolbar"
});
} else {
parent.drawLayer.removeFreeHighlight(this._freeHighlightId);
}
this._freeHighlightId = -1;
this._freeHighlight = null;
this._freeHighlightClipId = "";
}
static deserialize(data, parent, uiManager) {
const editor = super.deserialize(data, parent, uiManager);
const {
rect: [blX, blY, trX, trY],
color,
quadPoints
} = data;
editor.color = Util.makeHexColor(...color);
editor.#opacity = data.opacity;
const [pageWidth, pageHeight] = editor.pageDimensions;
editor.width = (trX - blX) / pageWidth;
editor.height = (trY - blY) / pageHeight;
const boxes = editor.#boxes = [];
for (let i = 0; i < quadPoints.length; i += 8) {
boxes.push({
x: (quadPoints[4] - trX) / pageWidth,
y: (trY - (1 - quadPoints[i + 5])) / pageHeight,
width: (quadPoints[i + 2] - quadPoints[i]) / pageWidth,
height: (quadPoints[i + 5] - quadPoints[i + 1]) / pageHeight
});
}
editor.#createOutlines();
return editor;
}
serialize(isForCopying = false) {
if (this.isEmpty() || isForCopying) {
return null;
}
const rect = this.getRect(0, 0);
const color = AnnotationEditor._colorManager.convert(this.color);
return {
annotationType: AnnotationEditorType.HIGHLIGHT,
color,
opacity: this.#opacity,
thickness: this.#thickness,
quadPoints: this.#serializeBoxes(),
outlines: this.#serializeOutlines(rect),
pageIndex: this.pageIndex,
rect,
rotation: this.#getRotation(),
structTreeParentId: this._structTreeParentId
};
}
static canCreateNewEmptyEditor() {
return false;
}
}
;// CONCATENATED MODULE: ./src/display/editor/ink.js
class InkEditor extends AnnotationEditor {
#baseHeight = 0;
#baseWidth = 0;
#boundCanvasPointermove = this.canvasPointermove.bind(this);
#boundCanvasPointerleave = this.canvasPointerleave.bind(this);
#boundCanvasPointerup = this.canvasPointerup.bind(this);
#boundCanvasPointerdown = this.canvasPointerdown.bind(this);
#canvasContextMenuTimeoutId = null;
#currentPath2D = new Path2D();
#disableEditing = false;
#hasSomethingToDraw = false;
#isCanvasInitialized = false;
#observer = null;
#realWidth = 0;
#realHeight = 0;
#requestFrameCallback = null;
static _defaultColor = null;
static _defaultOpacity = 1;
static _defaultThickness = 1;
static _type = "ink";
static _editorType = AnnotationEditorType.INK;
constructor(params) {
super({
...params,
name: "inkEditor"
});
this.color = params.color || null;
this.thickness = params.thickness || null;
this.opacity = params.opacity || null;
this.paths = [];
this.bezierPath2D = [];
this.allRawPaths = [];
this.currentPath = [];
this.scaleFactor = 1;
this.translationX = this.translationY = 0;
this.x = 0;
this.y = 0;
this._willKeepAspectRatio = true;
}
static initialize(l10n, uiManager) {
AnnotationEditor.initialize(l10n, uiManager);
}
static updateDefaultParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.INK_THICKNESS:
InkEditor._defaultThickness = value;
break;
case AnnotationEditorParamsType.INK_COLOR:
InkEditor._defaultColor = value;
break;
case AnnotationEditorParamsType.INK_OPACITY:
InkEditor._defaultOpacity = value / 100;
break;
}
}
updateParams(type, value) {
switch (type) {
case AnnotationEditorParamsType.INK_THICKNESS:
this.#updateThickness(value);
break;
case AnnotationEditorParamsType.INK_COLOR:
this.#updateColor(value);
break;
case AnnotationEditorParamsType.INK_OPACITY:
this.#updateOpacity(value);
break;
}
}
static get defaultPropertiesToUpdate() {
return [[AnnotationEditorParamsType.INK_THICKNESS, InkEditor._defaultThickness], [AnnotationEditorParamsType.INK_COLOR, InkEditor._defaultColor || AnnotationEditor._defaultLineColor], [AnnotationEditorParamsType.INK_OPACITY, Math.round(InkEditor._defaultOpacity * 100)]];
}
get propertiesToUpdate() {
return [[AnnotationEditorParamsType.INK_THICKNESS, this.thickness || InkEditor._defaultThickness], [AnnotationEditorParamsType.INK_COLOR, this.color || InkEditor._defaultColor || AnnotationEditor._defaultLineColor], [AnnotationEditorParamsType.INK_OPACITY, Math.round(100 * (this.opacity ?? InkEditor._defaultOpacity))]];
}
#updateThickness(thickness) {
const setThickness = th => {
this.thickness = th;
this.#fitToContent();
};
const savedThickness = this.thickness;
this.addCommands({
cmd: setThickness.bind(this, thickness),
undo: setThickness.bind(this, savedThickness),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.INK_THICKNESS,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateColor(color) {
const setColor = col => {
this.color = col;
this.#redraw();
};
const savedColor = this.color;
this.addCommands({
cmd: setColor.bind(this, color),
undo: setColor.bind(this, savedColor),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.INK_COLOR,
overwriteIfSameType: true,
keepUndo: true
});
}
#updateOpacity(opacity) {
const setOpacity = op => {
this.opacity = op;
this.#redraw();
};
opacity /= 100;
const savedOpacity = this.opacity;
this.addCommands({
cmd: setOpacity.bind(this, opacity),
undo: setOpacity.bind(this, savedOpacity),
post: this._uiManager.updateUI.bind(this._uiManager, this),
mustExec: true,
type: AnnotationEditorParamsType.INK_OPACITY,
overwriteIfSameType: true,
keepUndo: true
});
}
rebuild() {
if (!this.parent) {
return;
}
super.rebuild();
if (this.div === null) {
return;
}
if (!this.canvas) {
this.#createCanvas();
this.#createObserver();
}
if (!this.isAttachedToDOM) {
this.parent.add(this);
this.#setCanvasDims();
}
this.#fitToContent();
}
remove() {
if (this.canvas === null) {
return;
}
if (!this.isEmpty()) {
this.commit();
}
this.canvas.width = this.canvas.height = 0;
this.canvas.remove();
this.canvas = null;
if (this.#canvasContextMenuTimeoutId) {
clearTimeout(this.#canvasContextMenuTimeoutId);
this.#canvasContextMenuTimeoutId = null;
}
this.#observer.disconnect();
this.#observer = null;
super.remove();
}
setParent(parent) {
if (!this.parent && parent) {
this._uiManager.removeShouldRescale(this);
} else if (this.parent && parent === null) {
this._uiManager.addShouldRescale(this);
}
super.setParent(parent);
}
onScaleChanging() {
const [parentWidth, parentHeight] = this.parentDimensions;
const width = this.width * parentWidth;
const height = this.height * parentHeight;
this.setDimensions(width, height);
}
enableEditMode() {
if (this.#disableEditing || this.canvas === null) {
return;
}
super.enableEditMode();
this._isDraggable = false;
this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown);
}
disableEditMode() {
if (!this.isInEditMode() || this.canvas === null) {
return;
}
super.disableEditMode();
this._isDraggable = !this.isEmpty();
this.div.classList.remove("editing");
this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown);
}
onceAdded() {
this._isDraggable = !this.isEmpty();
}
isEmpty() {
return this.paths.length === 0 || this.paths.length === 1 && this.paths[0].length === 0;
}
#getInitialBBox() {
const {
parentRotation,
parentDimensions: [width, height]
} = this;
switch (parentRotation) {
case 90:
return [0, height, height, width];
case 180:
return [width, height, width, height];
case 270:
return [width, 0, height, width];
default:
return [0, 0, width, height];
}
}
#setStroke() {
const {
ctx,
color,
opacity,
thickness,
parentScale,
scaleFactor
} = this;
ctx.lineWidth = thickness * parentScale / scaleFactor;
ctx.lineCap = "round";
ctx.lineJoin = "round";
ctx.miterLimit = 10;
ctx.strokeStyle = `${color}${opacityToHex(opacity)}`;
}
#startDrawing(x, y) {
this.canvas.addEventListener("contextmenu", noContextMenu);
this.canvas.addEventListener("pointerleave", this.#boundCanvasPointerleave);
this.canvas.addEventListener("pointermove", this.#boundCanvasPointermove);
this.canvas.addEventListener("pointerup", this.#boundCanvasPointerup);
this.canvas.removeEventListener("pointerdown", this.#boundCanvasPointerdown);
this.isEditing = true;
if (!this.#isCanvasInitialized) {
this.#isCanvasInitialized = true;
this.#setCanvasDims();
this.thickness ||= InkEditor._defaultThickness;
this.color ||= InkEditor._defaultColor || AnnotationEditor._defaultLineColor;
this.opacity ??= InkEditor._defaultOpacity;
}
this.currentPath.push([x, y]);
this.#hasSomethingToDraw = false;
this.#setStroke();
this.#requestFrameCallback = () => {
this.#drawPoints();
if (this.#requestFrameCallback) {
window.requestAnimationFrame(this.#requestFrameCallback);
}
};
window.requestAnimationFrame(this.#requestFrameCallback);
}
#draw(x, y) {
const [lastX, lastY] = this.currentPath.at(-1);
if (this.currentPath.length > 1 && x === lastX && y === lastY) {
return;
}
const currentPath = this.currentPath;
let path2D = this.#currentPath2D;
currentPath.push([x, y]);
this.#hasSomethingToDraw = true;
if (currentPath.length <= 2) {
path2D.moveTo(...currentPath[0]);
path2D.lineTo(x, y);
return;
}
if (currentPath.length === 3) {
this.#currentPath2D = path2D = new Path2D();
path2D.moveTo(...currentPath[0]);
}
this.#makeBezierCurve(path2D, ...currentPath.at(-3), ...currentPath.at(-2), x, y);
}
#endPath() {
if (this.currentPath.length === 0) {
return;
}
const lastPoint = this.currentPath.at(-1);
this.#currentPath2D.lineTo(...lastPoint);
}
#stopDrawing(x, y) {
this.#requestFrameCallback = null;
x = Math.min(Math.max(x, 0), this.canvas.width);
y = Math.min(Math.max(y, 0), this.canvas.height);
this.#draw(x, y);
this.#endPath();
let bezier;
if (this.currentPath.length !== 1) {
bezier = this.#generateBezierPoints();
} else {
const xy = [x, y];
bezier = [[xy, xy.slice(), xy.slice(), xy]];
}
const path2D = this.#currentPath2D;
const currentPath = this.currentPath;
this.currentPath = [];
this.#currentPath2D = new Path2D();
const cmd = () => {
this.allRawPaths.push(currentPath);
this.paths.push(bezier);
this.bezierPath2D.push(path2D);
this._uiManager.rebuild(this);
};
const undo = () => {
this.allRawPaths.pop();
this.paths.pop();
this.bezierPath2D.pop();
if (this.paths.length === 0) {
this.remove();
} else {
if (!this.canvas) {
this.#createCanvas();
this.#createObserver();
}
this.#fitToContent();
}
};
this.addCommands({
cmd,
undo,
mustExec: true
});
}
#drawPoints() {
if (!this.#hasSomethingToDraw) {
return;
}
this.#hasSomethingToDraw = false;
const thickness = Math.ceil(this.thickness * this.parentScale);
const lastPoints = this.currentPath.slice(-3);
const x = lastPoints.map(xy => xy[0]);
const y = lastPoints.map(xy => xy[1]);
const xMin = Math.min(...x) - thickness;
const xMax = Math.max(...x) + thickness;
const yMin = Math.min(...y) - thickness;
const yMax = Math.max(...y) + thickness;
const {
ctx
} = this;
ctx.save();
ctx.clearRect(0, 0, this.canvas.width, this.canvas.height);
for (const path of this.bezierPath2D) {
ctx.stroke(path);
}
ctx.stroke(this.#currentPath2D);
ctx.restore();
}
#makeBezierCurve(path2D, x0, y0, x1, y1, x2, y2) {
const prevX = (x0 + x1) / 2;
const prevY = (y0 + y1) / 2;
const x3 = (x1 + x2) / 2;
const y3 = (y1 + y2) / 2;
path2D.bezierCurveTo(prevX + 2 * (x1 - prevX) / 3, prevY + 2 * (y1 - prevY) / 3, x3 + 2 * (x1 - x3) / 3, y3 + 2 * (y1 - y3) / 3, x3, y3);
}
#generateBezierPoints() {
const path = this.currentPath;
if (path.length <= 2) {
return [[path[0], path[0], path.at(-1), path.at(-1)]];
}
const bezierPoints = [];
let i;
let [x0, y0] = path[0];
for (i = 1; i < path.length - 2; i++) {
const [x1, y1] = path[i];
const [x2, y2] = path[i + 1];
const x3 = (x1 + x2) / 2;
const y3 = (y1 + y2) / 2;
const control1 = [x0 + 2 * (x1 - x0) / 3, y0 + 2 * (y1 - y0) / 3];
const control2 = [x3 + 2 * (x1 - x3) / 3, y3 + 2 * (y1 - y3) / 3];
bezierPoints.push([[x0, y0], control1, control2, [x3, y3]]);
[x0, y0] = [x3, y3];
}
const [x1, y1] = path[i];
const [x2, y2] = path[i + 1];
const control1 = [x0 + 2 * (x1 - x0) / 3, y0 + 2 * (y1 - y0) / 3];
const control2 = [x2 + 2 * (x1 - x2) / 3, y2 + 2 * (y1 - y2) / 3];
bezierPoints.push([[x0, y0], control1, control2, [x2, y2]]);
return bezierPoints;
}
#redraw() {
if (this.isEmpty()) {
this.#updateTransform();
return;
}
this.#setStroke();
const {
canvas,
ctx
} = this;
ctx.setTransform(1, 0, 0, 1, 0, 0);
ctx.clearRect(0, 0, canvas.width, canvas.height);
this.#updateTransform();
for (const path of this.bezierPath2D) {
ctx.stroke(path);
}
}
commit() {
if (this.#disableEditing) {
return;
}
super.commit();
this.isEditing = false;
this.disableEditMode();
this.setInForeground();
this.#disableEditing = true;
this.div.classList.add("disabled");
this.#fitToContent(true);
this.select();
this.parent.addInkEditorIfNeeded(true);
this.moveInDOM();
this.div.focus({
preventScroll: true
});
}
focusin(event) {
if (!this._focusEventsAllowed) {
return;
}
super.focusin(event);
this.enableEditMode();
}
canvasPointerdown(event) {
if (event.button !== 0 || !this.isInEditMode() || this.#disableEditing) {
return;
}
this.setInForeground();
event.preventDefault();
if (!this.div.contains(document.activeElement)) {
this.div.focus({
preventScroll: true
});
}
this.#startDrawing(event.offsetX, event.offsetY);
}
canvasPointermove(event) {
event.preventDefault();
this.#draw(event.offsetX, event.offsetY);
}
canvasPointerup(event) {
event.preventDefault();
this.#endDrawing(event);
}
canvasPointerleave(event) {
this.#endDrawing(event);
}
#endDrawing(event) {
this.canvas.removeEventListener("pointerleave", this.#boundCanvasPointerleave);
this.canvas.removeEventListener("pointermove", this.#boundCanvasPointermove);
this.canvas.removeEventListener("pointerup", this.#boundCanvasPointerup);
this.canvas.addEventListener("pointerdown", this.#boundCanvasPointerdown);
if (this.#canvasContextMenuTimeoutId) {
clearTimeout(this.#canvasContextMenuTimeoutId);
}
this.#canvasContextMenuTimeoutId = setTimeout(() => {
this.#canvasContextMenuTimeoutId = null;
this.canvas.removeEventListener("contextmenu", noContextMenu);
}, 10);
this.#stopDrawing(event.offsetX, event.offsetY);
this.addToAnnotationStorage();
this.setInBackground();
}
#createCanvas() {
this.canvas = document.createElement("canvas");
this.canvas.width = this.canvas.height = 0;
this.canvas.className = "inkEditorCanvas";
this.canvas.setAttribute("data-l10n-id", "pdfjs-ink-canvas");
this.div.append(this.canvas);
this.ctx = this.canvas.getContext("2d");
}
#createObserver() {
this.#observer = new ResizeObserver(entries => {
const rect = entries[0].contentRect;
if (rect.width && rect.height) {
this.setDimensions(rect.width, rect.height);
}
});
this.#observer.observe(this.div);
}
get isResizable() {
return !this.isEmpty() && this.#disableEditing;
}
render() {
if (this.div) {
return this.div;
}
let baseX, baseY;
if (this.width) {
baseX = this.x;
baseY = this.y;
}
super.render();
this.div.setAttribute("data-l10n-id", "pdfjs-ink");
const [x, y, w, h] = this.#getInitialBBox();
this.setAt(x, y, 0, 0);
this.setDims(w, h);
this.#createCanvas();
if (this.width) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.setAspectRatio(this.width * parentWidth, this.height * parentHeight);
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
this.#isCanvasInitialized = true;
this.#setCanvasDims();
this.setDims(this.width * parentWidth, this.height * parentHeight);
this.#redraw();
this.div.classList.add("disabled");
} else {
this.div.classList.add("editing");
this.enableEditMode();
}
this.#createObserver();
return this.div;
}
#setCanvasDims() {
if (!this.#isCanvasInitialized) {
return;
}
const [parentWidth, parentHeight] = this.parentDimensions;
this.canvas.width = Math.ceil(this.width * parentWidth);
this.canvas.height = Math.ceil(this.height * parentHeight);
this.#updateTransform();
}
setDimensions(width, height) {
const roundedWidth = Math.round(width);
const roundedHeight = Math.round(height);
if (this.#realWidth === roundedWidth && this.#realHeight === roundedHeight) {
return;
}
this.#realWidth = roundedWidth;
this.#realHeight = roundedHeight;
this.canvas.style.visibility = "hidden";
const [parentWidth, parentHeight] = this.parentDimensions;
this.width = width / parentWidth;
this.height = height / parentHeight;
this.fixAndSetPosition();
if (this.#disableEditing) {
this.#setScaleFactor(width, height);
}
this.#setCanvasDims();
this.#redraw();
this.canvas.style.visibility = "visible";
this.fixDims();
}
#setScaleFactor(width, height) {
const padding = this.#getPadding();
const scaleFactorW = (width - padding) / this.#baseWidth;
const scaleFactorH = (height - padding) / this.#baseHeight;
this.scaleFactor = Math.min(scaleFactorW, scaleFactorH);
}
#updateTransform() {
const padding = this.#getPadding() / 2;
this.ctx.setTransform(this.scaleFactor, 0, 0, this.scaleFactor, this.translationX * this.scaleFactor + padding, this.translationY * this.scaleFactor + padding);
}
static #buildPath2D(bezier) {
const path2D = new Path2D();
for (let i = 0, ii = bezier.length; i < ii; i++) {
const [first, control1, control2, second] = bezier[i];
if (i === 0) {
path2D.moveTo(...first);
}
path2D.bezierCurveTo(control1[0], control1[1], control2[0], control2[1], second[0], second[1]);
}
return path2D;
}
static #toPDFCoordinates(points, rect, rotation) {
const [blX, blY, trX, trY] = rect;
switch (rotation) {
case 0:
for (let i = 0, ii = points.length; i < ii; i += 2) {
points[i] += blX;
points[i + 1] = trY - points[i + 1];
}
break;
case 90:
for (let i = 0, ii = points.length; i < ii; i += 2) {
const x = points[i];
points[i] = points[i + 1] + blX;
points[i + 1] = x + blY;
}
break;
case 180:
for (let i = 0, ii = points.length; i < ii; i += 2) {
points[i] = trX - points[i];
points[i + 1] += blY;
}
break;
case 270:
for (let i = 0, ii = points.length; i < ii; i += 2) {
const x = points[i];
points[i] = trX - points[i + 1];
points[i + 1] = trY - x;
}
break;
default:
throw new Error("Invalid rotation");
}
return points;
}
static #fromPDFCoordinates(points, rect, rotation) {
const [blX, blY, trX, trY] = rect;
switch (rotation) {
case 0:
for (let i = 0, ii = points.length; i < ii; i += 2) {
points[i] -= blX;
points[i + 1] = trY - points[i + 1];
}
break;
case 90:
for (let i = 0, ii = points.length; i < ii; i += 2) {
const x = points[i];
points[i] = points[i + 1] - blY;
points[i + 1] = x - blX;
}
break;
case 180:
for (let i = 0, ii = points.length; i < ii; i += 2) {
points[i] = trX - points[i];
points[i + 1] -= blY;
}
break;
case 270:
for (let i = 0, ii = points.length; i < ii; i += 2) {
const x = points[i];
points[i] = trY - points[i + 1];
points[i + 1] = trX - x;
}
break;
default:
throw new Error("Invalid rotation");
}
return points;
}
#serializePaths(s, tx, ty, rect) {
const paths = [];
const padding = this.thickness / 2;
const shiftX = s * tx + padding;
const shiftY = s * ty + padding;
for (const bezier of this.paths) {
const buffer = [];
const points = [];
for (let j = 0, jj = bezier.length; j < jj; j++) {
const [first, control1, control2, second] = bezier[j];
if (first[0] === second[0] && first[1] === second[1] && jj === 1) {
const p0 = s * first[0] + shiftX;
const p1 = s * first[1] + shiftY;
buffer.push(p0, p1);
points.push(p0, p1);
break;
}
const p10 = s * first[0] + shiftX;
const p11 = s * first[1] + shiftY;
const p20 = s * control1[0] + shiftX;
const p21 = s * control1[1] + shiftY;
const p30 = s * control2[0] + shiftX;
const p31 = s * control2[1] + shiftY;
const p40 = s * second[0] + shiftX;
const p41 = s * second[1] + shiftY;
if (j === 0) {
buffer.push(p10, p11);
points.push(p10, p11);
}
buffer.push(p20, p21, p30, p31, p40, p41);
points.push(p20, p21);
if (j === jj - 1) {
points.push(p40, p41);
}
}
paths.push({
bezier: InkEditor.#toPDFCoordinates(buffer, rect, this.rotation),
points: InkEditor.#toPDFCoordinates(points, rect, this.rotation)
});
}
return paths;
}
#getBbox() {
let xMin = Infinity;
let xMax = -Infinity;
let yMin = Infinity;
let yMax = -Infinity;
for (const path of this.paths) {
for (const [first, control1, control2, second] of path) {
const bbox = Util.bezierBoundingBox(...first, ...control1, ...control2, ...second);
xMin = Math.min(xMin, bbox[0]);
yMin = Math.min(yMin, bbox[1]);
xMax = Math.max(xMax, bbox[2]);
yMax = Math.max(yMax, bbox[3]);
}
}
return [xMin, yMin, xMax, yMax];
}
#getPadding() {
return this.#disableEditing ? Math.ceil(this.thickness * this.parentScale) : 0;
}
#fitToContent(firstTime = false) {
if (this.isEmpty()) {
return;
}
if (!this.#disableEditing) {
this.#redraw();
return;
}
const bbox = this.#getBbox();
const padding = this.#getPadding();
this.#baseWidth = Math.max(AnnotationEditor.MIN_SIZE, bbox[2] - bbox[0]);
this.#baseHeight = Math.max(AnnotationEditor.MIN_SIZE, bbox[3] - bbox[1]);
const width = Math.ceil(padding + this.#baseWidth * this.scaleFactor);
const height = Math.ceil(padding + this.#baseHeight * this.scaleFactor);
const [parentWidth, parentHeight] = this.parentDimensions;
this.width = width / parentWidth;
this.height = height / parentHeight;
this.setAspectRatio(width, height);
const prevTranslationX = this.translationX;
const prevTranslationY = this.translationY;
this.translationX = -bbox[0];
this.translationY = -bbox[1];
this.#setCanvasDims();
this.#redraw();
this.#realWidth = width;
this.#realHeight = height;
this.setDims(width, height);
const unscaledPadding = firstTime ? padding / this.scaleFactor / 2 : 0;
this.translate(prevTranslationX - this.translationX - unscaledPadding, prevTranslationY - this.translationY - unscaledPadding);
}
static deserialize(data, parent, uiManager) {
if (data instanceof InkAnnotationElement) {
return null;
}
const editor = super.deserialize(data, parent, uiManager);
editor.thickness = data.thickness;
editor.color = Util.makeHexColor(...data.color);
editor.opacity = data.opacity;
const [pageWidth, pageHeight] = editor.pageDimensions;
const width = editor.width * pageWidth;
const height = editor.height * pageHeight;
const scaleFactor = editor.parentScale;
const padding = data.thickness / 2;
editor.#disableEditing = true;
editor.#realWidth = Math.round(width);
editor.#realHeight = Math.round(height);
const {
paths,
rect,
rotation
} = data;
for (let {
bezier
} of paths) {
bezier = InkEditor.#fromPDFCoordinates(bezier, rect, rotation);
const path = [];
editor.paths.push(path);
let p0 = scaleFactor * (bezier[0] - padding);
let p1 = scaleFactor * (bezier[1] - padding);
for (let i = 2, ii = bezier.length; i < ii; i += 6) {
const p10 = scaleFactor * (bezier[i] - padding);
const p11 = scaleFactor * (bezier[i + 1] - padding);
const p20 = scaleFactor * (bezier[i + 2] - padding);
const p21 = scaleFactor * (bezier[i + 3] - padding);
const p30 = scaleFactor * (bezier[i + 4] - padding);
const p31 = scaleFactor * (bezier[i + 5] - padding);
path.push([[p0, p1], [p10, p11], [p20, p21], [p30, p31]]);
p0 = p30;
p1 = p31;
}
const path2D = this.#buildPath2D(path);
editor.bezierPath2D.push(path2D);
}
const bbox = editor.#getBbox();
editor.#baseWidth = Math.max(AnnotationEditor.MIN_SIZE, bbox[2] - bbox[0]);
editor.#baseHeight = Math.max(AnnotationEditor.MIN_SIZE, bbox[3] - bbox[1]);
editor.#setScaleFactor(width, height);
return editor;
}
serialize() {
if (this.isEmpty()) {
return null;
}
const rect = this.getRect(0, 0);
const color = AnnotationEditor._colorManager.convert(this.ctx.strokeStyle);
return {
annotationType: AnnotationEditorType.INK,
color,
thickness: this.thickness,
opacity: this.opacity,
paths: this.#serializePaths(this.scaleFactor / this.parentScale, this.translationX, this.translationY, rect),
pageIndex: this.pageIndex,
rect,
rotation: this.rotation,
structTreeParentId: this._structTreeParentId
};
}
}
;// CONCATENATED MODULE: ./src/display/editor/stamp.js
class StampEditor extends AnnotationEditor {
#bitmap = null;
#bitmapId = null;
#bitmapPromise = null;
#bitmapUrl = null;
#bitmapFile = null;
#bitmapFileName = "";
#canvas = null;
#observer = null;
#resizeTimeoutId = null;
#isSvg = false;
#hasBeenAddedInUndoStack = false;
static _type = "stamp";
static _editorType = AnnotationEditorType.STAMP;
constructor(params) {
super({
...params,
name: "stampEditor"
});
this.#bitmapUrl = params.bitmapUrl;
this.#bitmapFile = params.bitmapFile;
}
static initialize(l10n, uiManager) {
AnnotationEditor.initialize(l10n, uiManager);
}
static get supportedTypes() {
const types = ["apng", "avif", "bmp", "gif", "jpeg", "png", "svg+xml", "webp", "x-icon"];
return shadow(this, "supportedTypes", types.map(type => `image/${type}`));
}
static get supportedTypesStr() {
return shadow(this, "supportedTypesStr", this.supportedTypes.join(","));
}
static isHandlingMimeForPasting(mime) {
return this.supportedTypes.includes(mime);
}
static paste(item, parent) {
parent.pasteEditor(AnnotationEditorType.STAMP, {
bitmapFile: item.getAsFile()
});
}
#getBitmapFetched(data, fromId = false) {
if (!data) {
this.remove();
return;
}
this.#bitmap = data.bitmap;
if (!fromId) {
this.#bitmapId = data.id;
this.#isSvg = data.isSvg;
}
if (data.file) {
this.#bitmapFileName = data.file.name;
}
this.#createCanvas();
}
#getBitmapDone() {
this.#bitmapPromise = null;
this._uiManager.enableWaiting(false);
if (this.#canvas) {
this.div.focus();
}
}
#getBitmap() {
if (this.#bitmapId) {
this._uiManager.enableWaiting(true);
this._uiManager.imageManager.getFromId(this.#bitmapId).then(data => this.#getBitmapFetched(data, true)).finally(() => this.#getBitmapDone());
return;
}
if (this.#bitmapUrl) {
const url = this.#bitmapUrl;
this.#bitmapUrl = null;
this._uiManager.enableWaiting(true);
this.#bitmapPromise = this._uiManager.imageManager.getFromUrl(url).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone());
return;
}
if (this.#bitmapFile) {
const file = this.#bitmapFile;
this.#bitmapFile = null;
this._uiManager.enableWaiting(true);
this.#bitmapPromise = this._uiManager.imageManager.getFromFile(file).then(data => this.#getBitmapFetched(data)).finally(() => this.#getBitmapDone());
return;
}
const input = document.createElement("input");
input.type = "file";
input.accept = StampEditor.supportedTypesStr;
this.#bitmapPromise = new Promise(resolve => {
input.addEventListener("change", async () => {
if (!input.files || input.files.length === 0) {
this.remove();
} else {
this._uiManager.enableWaiting(true);
const data = await this._uiManager.imageManager.getFromFile(input.files[0]);
this.#getBitmapFetched(data);
}
resolve();
});
input.addEventListener("cancel", () => {
this.remove();
resolve();
});
}).finally(() => this.#getBitmapDone());
input.click();
}
remove() {
if (this.#bitmapId) {
this.#bitmap = null;
this._uiManager.imageManager.deleteId(this.#bitmapId);
this.#canvas?.remove();
this.#canvas = null;
this.#observer?.disconnect();
this.#observer = null;
if (this.#resizeTimeoutId) {
clearTimeout(this.#resizeTimeoutId);
this.#resizeTimeoutId = null;
}
}
super.remove();
}
rebuild() {
if (!this.parent) {
if (this.#bitmapId) {
this.#getBitmap();
}
return;
}
super.rebuild();
if (this.div === null) {
return;
}
if (this.#bitmapId && this.#canvas === null) {
this.#getBitmap();
}
if (!this.isAttachedToDOM) {
this.parent.add(this);
}
}
onceAdded() {
this._isDraggable = true;
this.div.focus();
}
isEmpty() {
return !(this.#bitmapPromise || this.#bitmap || this.#bitmapUrl || this.#bitmapFile || this.#bitmapId);
}
get isResizable() {
return true;
}
render() {
if (this.div) {
return this.div;
}
let baseX, baseY;
if (this.width) {
baseX = this.x;
baseY = this.y;
}
super.render();
this.div.hidden = true;
this.addAltTextButton();
if (this.#bitmap) {
this.#createCanvas();
} else {
this.#getBitmap();
}
if (this.width) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.setAt(baseX * parentWidth, baseY * parentHeight, this.width * parentWidth, this.height * parentHeight);
}
return this.div;
}
#createCanvas() {
const {
div
} = this;
let {
width,
height
} = this.#bitmap;
const [pageWidth, pageHeight] = this.pageDimensions;
const MAX_RATIO = 0.75;
if (this.width) {
width = this.width * pageWidth;
height = this.height * pageHeight;
} else if (width > MAX_RATIO * pageWidth || height > MAX_RATIO * pageHeight) {
const factor = Math.min(MAX_RATIO * pageWidth / width, MAX_RATIO * pageHeight / height);
width *= factor;
height *= factor;
}
const [parentWidth, parentHeight] = this.parentDimensions;
this.setDims(width * parentWidth / pageWidth, height * parentHeight / pageHeight);
this._uiManager.enableWaiting(false);
const canvas = this.#canvas = document.createElement("canvas");
div.append(canvas);
div.hidden = false;
this.#drawBitmap(width, height);
this.#createObserver();
if (!this.#hasBeenAddedInUndoStack) {
this.parent.addUndoableEditor(this);
this.#hasBeenAddedInUndoStack = true;
}
this._reportTelemetry({
action: "inserted_image"
});
if (this.#bitmapFileName) {
canvas.setAttribute("aria-label", this.#bitmapFileName);
}
}
#setDimensions(width, height) {
const [parentWidth, parentHeight] = this.parentDimensions;
this.width = width / parentWidth;
this.height = height / parentHeight;
this.setDims(width, height);
if (this._initialOptions?.isCentered) {
this.center();
} else {
this.fixAndSetPosition();
}
this._initialOptions = null;
if (this.#resizeTimeoutId !== null) {
clearTimeout(this.#resizeTimeoutId);
}
const TIME_TO_WAIT = 200;
this.#resizeTimeoutId = setTimeout(() => {
this.#resizeTimeoutId = null;
this.#drawBitmap(width, height);
}, TIME_TO_WAIT);
}
#scaleBitmap(width, height) {
const {
width: bitmapWidth,
height: bitmapHeight
} = this.#bitmap;
let newWidth = bitmapWidth;
let newHeight = bitmapHeight;
let bitmap = this.#bitmap;
while (newWidth > 2 * width || newHeight > 2 * height) {
const prevWidth = newWidth;
const prevHeight = newHeight;
if (newWidth > 2 * width) {
newWidth = newWidth >= 16384 ? Math.floor(newWidth / 2) - 1 : Math.ceil(newWidth / 2);
}
if (newHeight > 2 * height) {
newHeight = newHeight >= 16384 ? Math.floor(newHeight / 2) - 1 : Math.ceil(newHeight / 2);
}
const offscreen = new OffscreenCanvas(newWidth, newHeight);
const ctx = offscreen.getContext("2d");
ctx.drawImage(bitmap, 0, 0, prevWidth, prevHeight, 0, 0, newWidth, newHeight);
bitmap = offscreen.transferToImageBitmap();
}
return bitmap;
}
#drawBitmap(width, height) {
width = Math.ceil(width);
height = Math.ceil(height);
const canvas = this.#canvas;
if (!canvas || canvas.width === width && canvas.height === height) {
return;
}
canvas.width = width;
canvas.height = height;
const bitmap = this.#isSvg ? this.#bitmap : this.#scaleBitmap(width, height);
if (this._uiManager.hasMLManager && !this.hasAltText()) {
const offscreen = new OffscreenCanvas(width, height);
const ctx = offscreen.getContext("2d");
ctx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, width, height);
this._uiManager.mlGuess({
service: "image-to-text",
request: {
data: ctx.getImageData(0, 0, width, height).data,
width,
height,
channels: 4
}
}).then(response => {
const altText = response?.output || "";
if (this.parent && altText && !this.hasAltText()) {
this.altTextData = {
altText,
decorative: false
};
}
});
}
const ctx = canvas.getContext("2d");
ctx.filter = this._uiManager.hcmFilter;
ctx.drawImage(bitmap, 0, 0, bitmap.width, bitmap.height, 0, 0, width, height);
}
getImageForAltText() {
return this.#canvas;
}
#serializeBitmap(toUrl) {
if (toUrl) {
if (this.#isSvg) {
const url = this._uiManager.imageManager.getSvgUrl(this.#bitmapId);
if (url) {
return url;
}
}
const canvas = document.createElement("canvas");
({
width: canvas.width,
height: canvas.height
} = this.#bitmap);
const ctx = canvas.getContext("2d");
ctx.drawImage(this.#bitmap, 0, 0);
return canvas.toDataURL();
}
if (this.#isSvg) {
const [pageWidth, pageHeight] = this.pageDimensions;
const width = Math.round(this.width * pageWidth * PixelsPerInch.PDF_TO_CSS_UNITS);
const height = Math.round(this.height * pageHeight * PixelsPerInch.PDF_TO_CSS_UNITS);
const offscreen = new OffscreenCanvas(width, height);
const ctx = offscreen.getContext("2d");
ctx.drawImage(this.#bitmap, 0, 0, this.#bitmap.width, this.#bitmap.height, 0, 0, width, height);
return offscreen.transferToImageBitmap();
}
return structuredClone(this.#bitmap);
}
#createObserver() {
this.#observer = new ResizeObserver(entries => {
const rect = entries[0].contentRect;
if (rect.width && rect.height) {
this.#setDimensions(rect.width, rect.height);
}
});
this.#observer.observe(this.div);
}
static deserialize(data, parent, uiManager) {
if (data instanceof StampAnnotationElement) {
return null;
}
const editor = super.deserialize(data, parent, uiManager);
const {
rect,
bitmapUrl,
bitmapId,
isSvg,
accessibilityData
} = data;
if (bitmapId && uiManager.imageManager.isValidId(bitmapId)) {
editor.#bitmapId = bitmapId;
} else {
editor.#bitmapUrl = bitmapUrl;
}
editor.#isSvg = isSvg;
const [parentWidth, parentHeight] = editor.pageDimensions;
editor.width = (rect[2] - rect[0]) / parentWidth;
editor.height = (rect[3] - rect[1]) / parentHeight;
if (accessibilityData) {
editor.altTextData = accessibilityData;
}
return editor;
}
serialize(isForCopying = false, context = null) {
if (this.isEmpty()) {
return null;
}
const serialized = {
annotationType: AnnotationEditorType.STAMP,
bitmapId: this.#bitmapId,
pageIndex: this.pageIndex,
rect: this.getRect(0, 0),
rotation: this.rotation,
isSvg: this.#isSvg,
structTreeParentId: this._structTreeParentId
};
if (isForCopying) {
serialized.bitmapUrl = this.#serializeBitmap(true);
serialized.accessibilityData = this.altTextData;
return serialized;
}
const {
decorative,
altText
} = this.altTextData;
if (!decorative && altText) {
serialized.accessibilityData = {
type: "Figure",
alt: altText
};
}
if (context === null) {
return serialized;
}
context.stamps ||= new Map();
const area = this.#isSvg ? (serialized.rect[2] - serialized.rect[0]) * (serialized.rect[3] - serialized.rect[1]) : null;
if (!context.stamps.has(this.#bitmapId)) {
context.stamps.set(this.#bitmapId, {
area,
serialized
});
serialized.bitmap = this.#serializeBitmap(false);
} else if (this.#isSvg) {
const prevData = context.stamps.get(this.#bitmapId);
if (area > prevData.area) {
prevData.area = area;
prevData.serialized.bitmap.close();
prevData.serialized.bitmap = this.#serializeBitmap(false);
}
}
return serialized;
}
}
;// CONCATENATED MODULE: ./src/display/editor/annotation_editor_layer.js
class AnnotationEditorLayer {
#accessibilityManager;
#allowClick = false;
#annotationLayer = null;
#boundPointerup = null;
#boundPointerdown = null;
#boundTextLayerPointerDown = null;
#editorFocusTimeoutId = null;
#editors = new Map();
#hadPointerDown = false;
#isCleaningUp = false;
#isDisabling = false;
#textLayer = null;
#uiManager;
static _initialized = false;
static #editorTypes = new Map([FreeTextEditor, InkEditor, StampEditor, HighlightEditor].map(type => [type._editorType, type]));
constructor({
uiManager,
pageIndex,
div,
accessibilityManager,
annotationLayer,
drawLayer,
textLayer,
viewport,
l10n
}) {
const editorTypes = [...AnnotationEditorLayer.#editorTypes.values()];
if (!AnnotationEditorLayer._initialized) {
AnnotationEditorLayer._initialized = true;
for (const editorType of editorTypes) {
editorType.initialize(l10n, uiManager);
}
}
uiManager.registerEditorTypes(editorTypes);
this.#uiManager = uiManager;
this.pageIndex = pageIndex;
this.div = div;
this.#accessibilityManager = accessibilityManager;
this.#annotationLayer = annotationLayer;
this.viewport = viewport;
this.#textLayer = textLayer;
this.drawLayer = drawLayer;
this.#uiManager.addLayer(this);
}
get isEmpty() {
return this.#editors.size === 0;
}
get isInvisible() {
return this.isEmpty && this.#uiManager.getMode() === AnnotationEditorType.NONE;
}
updateToolbar(mode) {
this.#uiManager.updateToolbar(mode);
}
updateMode(mode = this.#uiManager.getMode()) {
this.#cleanup();
switch (mode) {
case AnnotationEditorType.NONE:
this.disableTextSelection();
this.togglePointerEvents(false);
this.toggleAnnotationLayerPointerEvents(true);
this.disableClick();
return;
case AnnotationEditorType.INK:
this.addInkEditorIfNeeded(false);
this.disableTextSelection();
this.togglePointerEvents(true);
this.disableClick();
break;
case AnnotationEditorType.HIGHLIGHT:
this.enableTextSelection();
this.togglePointerEvents(false);
this.disableClick();
break;
default:
this.disableTextSelection();
this.togglePointerEvents(true);
this.enableClick();
}
this.toggleAnnotationLayerPointerEvents(false);
const {
classList
} = this.div;
for (const editorType of AnnotationEditorLayer.#editorTypes.values()) {
classList.toggle(`${editorType._type}Editing`, mode === editorType._editorType);
}
this.div.hidden = false;
}
hasTextLayer(textLayer) {
return textLayer === this.#textLayer?.div;
}
addInkEditorIfNeeded(isCommitting) {
if (this.#uiManager.getMode() !== AnnotationEditorType.INK) {
return;
}
if (!isCommitting) {
for (const editor of this.#editors.values()) {
if (editor.isEmpty()) {
editor.setInBackground();
return;
}
}
}
const editor = this.createAndAddNewEditor({
offsetX: 0,
offsetY: 0
}, false);
editor.setInBackground();
}
setEditingState(isEditing) {
this.#uiManager.setEditingState(isEditing);
}
addCommands(params) {
this.#uiManager.addCommands(params);
}
togglePointerEvents(enabled = false) {
this.div.classList.toggle("disabled", !enabled);
}
toggleAnnotationLayerPointerEvents(enabled = false) {
this.#annotationLayer?.div.classList.toggle("disabled", !enabled);
}
enable() {
this.div.tabIndex = 0;
this.togglePointerEvents(true);
const annotationElementIds = new Set();
for (const editor of this.#editors.values()) {
editor.enableEditing();
editor.show(true);
if (editor.annotationElementId) {
this.#uiManager.removeChangedExistingAnnotation(editor);
annotationElementIds.add(editor.annotationElementId);
}
}
if (!this.#annotationLayer) {
return;
}
const editables = this.#annotationLayer.getEditableAnnotations();
for (const editable of editables) {
editable.hide();
if (this.#uiManager.isDeletedAnnotationElement(editable.data.id)) {
continue;
}
if (annotationElementIds.has(editable.data.id)) {
continue;
}
const editor = this.deserialize(editable);
if (!editor) {
continue;
}
this.addOrRebuild(editor);
editor.enableEditing();
}
}
disable() {
this.#isDisabling = true;
this.div.tabIndex = -1;
this.togglePointerEvents(false);
const changedAnnotations = new Map();
const resetAnnotations = new Map();
for (const editor of this.#editors.values()) {
editor.disableEditing();
if (!editor.annotationElementId) {
continue;
}
if (editor.serialize() !== null) {
changedAnnotations.set(editor.annotationElementId, editor);
continue;
} else {
resetAnnotations.set(editor.annotationElementId, editor);
}
this.getEditableAnnotation(editor.annotationElementId)?.show();
editor.remove();
}
if (this.#annotationLayer) {
const editables = this.#annotationLayer.getEditableAnnotations();
for (const editable of editables) {
const {
id
} = editable.data;
if (this.#uiManager.isDeletedAnnotationElement(id)) {
continue;
}
let editor = resetAnnotations.get(id);
if (editor) {
editor.resetAnnotationElement(editable);
editor.show(false);
editable.show();
continue;
}
editor = changedAnnotations.get(id);
if (editor) {
this.#uiManager.addChangedExistingAnnotation(editor);
editor.renderAnnotationElement(editable);
editor.show(false);
}
editable.show();
}
}
this.#cleanup();
if (this.isEmpty) {
this.div.hidden = true;
}
const {
classList
} = this.div;
for (const editorType of AnnotationEditorLayer.#editorTypes.values()) {
classList.remove(`${editorType._type}Editing`);
}
this.disableTextSelection();
this.toggleAnnotationLayerPointerEvents(true);
this.#isDisabling = false;
}
getEditableAnnotation(id) {
return this.#annotationLayer?.getEditableAnnotation(id) || null;
}
setActiveEditor(editor) {
const currentActive = this.#uiManager.getActive();
if (currentActive === editor) {
return;
}
this.#uiManager.setActiveEditor(editor);
}
enableTextSelection() {
this.div.tabIndex = -1;
if (this.#textLayer?.div && !this.#boundTextLayerPointerDown) {
this.#boundTextLayerPointerDown = this.#textLayerPointerDown.bind(this);
this.#textLayer.div.addEventListener("pointerdown", this.#boundTextLayerPointerDown);
this.#textLayer.div.classList.add("highlighting");
}
}
disableTextSelection() {
this.div.tabIndex = 0;
if (this.#textLayer?.div && this.#boundTextLayerPointerDown) {
this.#textLayer.div.removeEventListener("pointerdown", this.#boundTextLayerPointerDown);
this.#boundTextLayerPointerDown = null;
this.#textLayer.div.classList.remove("highlighting");
}
}
#textLayerPointerDown(event) {
this.#uiManager.unselectAll();
if (event.target === this.#textLayer.div) {
const {
isMac
} = util_FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
this.#uiManager.showAllEditors("highlight", true, true);
this.#textLayer.div.classList.add("free");
HighlightEditor.startHighlighting(this, this.#uiManager.direction === "ltr", event);
this.#textLayer.div.addEventListener("pointerup", () => {
this.#textLayer.div.classList.remove("free");
}, {
once: true
});
event.preventDefault();
}
}
enableClick() {
if (this.#boundPointerdown) {
return;
}
this.#boundPointerdown = this.pointerdown.bind(this);
this.#boundPointerup = this.pointerup.bind(this);
this.div.addEventListener("pointerdown", this.#boundPointerdown);
this.div.addEventListener("pointerup", this.#boundPointerup);
}
disableClick() {
if (!this.#boundPointerdown) {
return;
}
this.div.removeEventListener("pointerdown", this.#boundPointerdown);
this.div.removeEventListener("pointerup", this.#boundPointerup);
this.#boundPointerdown = null;
this.#boundPointerup = null;
}
attach(editor) {
this.#editors.set(editor.id, editor);
const {
annotationElementId
} = editor;
if (annotationElementId && this.#uiManager.isDeletedAnnotationElement(annotationElementId)) {
this.#uiManager.removeDeletedAnnotationElement(editor);
}
}
detach(editor) {
this.#editors.delete(editor.id);
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
if (!this.#isDisabling && editor.annotationElementId) {
this.#uiManager.addDeletedAnnotationElement(editor);
}
}
remove(editor) {
this.detach(editor);
this.#uiManager.removeEditor(editor);
editor.div.remove();
editor.isAttachedToDOM = false;
if (!this.#isCleaningUp) {
this.addInkEditorIfNeeded(false);
}
}
changeParent(editor) {
if (editor.parent === this) {
return;
}
if (editor.parent && editor.annotationElementId) {
this.#uiManager.addDeletedAnnotationElement(editor.annotationElementId);
AnnotationEditor.deleteAnnotationElement(editor);
editor.annotationElementId = null;
}
this.attach(editor);
editor.parent?.detach(editor);
editor.setParent(this);
if (editor.div && editor.isAttachedToDOM) {
editor.div.remove();
this.div.append(editor.div);
}
}
add(editor) {
if (editor.parent === this && editor.isAttachedToDOM) {
return;
}
this.changeParent(editor);
this.#uiManager.addEditor(editor);
this.attach(editor);
if (!editor.isAttachedToDOM) {
const div = editor.render();
this.div.append(div);
editor.isAttachedToDOM = true;
}
editor.fixAndSetPosition();
editor.onceAdded();
this.#uiManager.addToAnnotationStorage(editor);
editor._reportTelemetry(editor.telemetryInitialData);
}
moveEditorInDOM(editor) {
if (!editor.isAttachedToDOM) {
return;
}
const {
activeElement
} = document;
if (editor.div.contains(activeElement) && !this.#editorFocusTimeoutId) {
editor._focusEventsAllowed = false;
this.#editorFocusTimeoutId = setTimeout(() => {
this.#editorFocusTimeoutId = null;
if (!editor.div.contains(document.activeElement)) {
editor.div.addEventListener("focusin", () => {
editor._focusEventsAllowed = true;
}, {
once: true
});
activeElement.focus();
} else {
editor._focusEventsAllowed = true;
}
}, 0);
}
editor._structTreeParentId = this.#accessibilityManager?.moveElementInDOM(this.div, editor.div, editor.contentDiv, true);
}
addOrRebuild(editor) {
if (editor.needsToBeRebuilt()) {
editor.parent ||= this;
editor.rebuild();
editor.show();
} else {
this.add(editor);
}
}
addUndoableEditor(editor) {
const cmd = () => editor._uiManager.rebuild(editor);
const undo = () => {
editor.remove();
};
this.addCommands({
cmd,
undo,
mustExec: false
});
}
getNextId() {
return this.#uiManager.getId();
}
get #currentEditorType() {
return AnnotationEditorLayer.#editorTypes.get(this.#uiManager.getMode());
}
#createNewEditor(params) {
const editorType = this.#currentEditorType;
return editorType ? new editorType.prototype.constructor(params) : null;
}
canCreateNewEmptyEditor() {
return this.#currentEditorType?.canCreateNewEmptyEditor();
}
pasteEditor(mode, params) {
this.#uiManager.updateToolbar(mode);
this.#uiManager.updateMode(mode);
const {
offsetX,
offsetY
} = this.#getCenterPoint();
const id = this.getNextId();
const editor = this.#createNewEditor({
parent: this,
id,
x: offsetX,
y: offsetY,
uiManager: this.#uiManager,
isCentered: true,
...params
});
if (editor) {
this.add(editor);
}
}
deserialize(data) {
return AnnotationEditorLayer.#editorTypes.get(data.annotationType ?? data.annotationEditorType)?.deserialize(data, this, this.#uiManager) || null;
}
createAndAddNewEditor(event, isCentered, data = {}) {
const id = this.getNextId();
const editor = this.#createNewEditor({
parent: this,
id,
x: event.offsetX,
y: event.offsetY,
uiManager: this.#uiManager,
isCentered,
...data
});
if (editor) {
this.add(editor);
}
return editor;
}
#getCenterPoint() {
const {
x,
y,
width,
height
} = this.div.getBoundingClientRect();
const tlX = Math.max(0, x);
const tlY = Math.max(0, y);
const brX = Math.min(window.innerWidth, x + width);
const brY = Math.min(window.innerHeight, y + height);
const centerX = (tlX + brX) / 2 - x;
const centerY = (tlY + brY) / 2 - y;
const [offsetX, offsetY] = this.viewport.rotation % 180 === 0 ? [centerX, centerY] : [centerY, centerX];
return {
offsetX,
offsetY
};
}
addNewEditor() {
this.createAndAddNewEditor(this.#getCenterPoint(), true);
}
setSelected(editor) {
this.#uiManager.setSelected(editor);
}
toggleSelected(editor) {
this.#uiManager.toggleSelected(editor);
}
isSelected(editor) {
return this.#uiManager.isSelected(editor);
}
unselect(editor) {
this.#uiManager.unselect(editor);
}
pointerup(event) {
const {
isMac
} = util_FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
if (event.target !== this.div) {
return;
}
if (!this.#hadPointerDown) {
return;
}
this.#hadPointerDown = false;
if (!this.#allowClick) {
this.#allowClick = true;
return;
}
if (this.#uiManager.getMode() === AnnotationEditorType.STAMP) {
this.#uiManager.unselectAll();
return;
}
this.createAndAddNewEditor(event, false);
}
pointerdown(event) {
if (this.#uiManager.getMode() === AnnotationEditorType.HIGHLIGHT) {
this.enableTextSelection();
}
if (this.#hadPointerDown) {
this.#hadPointerDown = false;
return;
}
const {
isMac
} = util_FeatureTest.platform;
if (event.button !== 0 || event.ctrlKey && isMac) {
return;
}
if (event.target !== this.div) {
return;
}
this.#hadPointerDown = true;
const editor = this.#uiManager.getActive();
this.#allowClick = !editor || editor.isEmpty();
}
findNewParent(editor, x, y) {
const layer = this.#uiManager.findParent(x, y);
if (layer === null || layer === this) {
return false;
}
layer.changeParent(editor);
return true;
}
destroy() {
if (this.#uiManager.getActive()?.parent === this) {
this.#uiManager.commitOrRemove();
this.#uiManager.setActiveEditor(null);
}
if (this.#editorFocusTimeoutId) {
clearTimeout(this.#editorFocusTimeoutId);
this.#editorFocusTimeoutId = null;
}
for (const editor of this.#editors.values()) {
this.#accessibilityManager?.removePointerInTextLayer(editor.contentDiv);
editor.setParent(null);
editor.isAttachedToDOM = false;
editor.div.remove();
}
this.div = null;
this.#editors.clear();
this.#uiManager.removeLayer(this);
}
#cleanup() {
this.#isCleaningUp = true;
for (const editor of this.#editors.values()) {
if (editor.isEmpty()) {
editor.remove();
}
}
this.#isCleaningUp = false;
}
render({
viewport
}) {
this.viewport = viewport;
setLayerDimensions(this.div, viewport);
for (const editor of this.#uiManager.getEditors(this.pageIndex)) {
this.add(editor);
editor.rebuild();
}
this.updateMode();
}
update({
viewport
}) {
this.#uiManager.commitOrRemove();
this.#cleanup();
const oldRotation = this.viewport.rotation;
const rotation = viewport.rotation;
this.viewport = viewport;
setLayerDimensions(this.div, {
rotation
});
if (oldRotation !== rotation) {
for (const editor of this.#editors.values()) {
editor.rotate(rotation);
}
}
this.addInkEditorIfNeeded(false);
}
get pageDimensions() {
const {
pageWidth,
pageHeight
} = this.viewport.rawDims;
return [pageWidth, pageHeight];
}
get scale() {
return this.#uiManager.viewParameters.realScale;
}
}
;// CONCATENATED MODULE: ./src/display/draw_layer.js
class DrawLayer {
#parent = null;
#id = 0;
#mapping = new Map();
#toUpdate = new Map();
constructor({
pageIndex
}) {
this.pageIndex = pageIndex;
}
setParent(parent) {
if (!this.#parent) {
this.#parent = parent;
return;
}
if (this.#parent !== parent) {
if (this.#mapping.size > 0) {
for (const root of this.#mapping.values()) {
root.remove();
parent.append(root);
}
}
this.#parent = parent;
}
}
static get _svgFactory() {
return shadow(this, "_svgFactory", new DOMSVGFactory());
}
static #setBox(element, {
x = 0,
y = 0,
width = 1,
height = 1
} = {}) {
const {
style
} = element;
style.top = `${100 * y}%`;
style.left = `${100 * x}%`;
style.width = `${100 * width}%`;
style.height = `${100 * height}%`;
}
#createSVG(box) {
const svg = DrawLayer._svgFactory.create(1, 1, true);
this.#parent.append(svg);
svg.setAttribute("aria-hidden", true);
DrawLayer.#setBox(svg, box);
return svg;
}
#createClipPath(defs, pathId) {
const clipPath = DrawLayer._svgFactory.createElement("clipPath");
defs.append(clipPath);
const clipPathId = `clip_${pathId}`;
clipPath.setAttribute("id", clipPathId);
clipPath.setAttribute("clipPathUnits", "objectBoundingBox");
const clipPathUse = DrawLayer._svgFactory.createElement("use");
clipPath.append(clipPathUse);
clipPathUse.setAttribute("href", `#${pathId}`);
clipPathUse.classList.add("clip");
return clipPathId;
}
highlight(outlines, color, opacity, isPathUpdatable = false) {
const id = this.#id++;
const root = this.#createSVG(outlines.box);
root.classList.add("highlight");
if (outlines.free) {
root.classList.add("free");
}
const defs = DrawLayer._svgFactory.createElement("defs");
root.append(defs);
const path = DrawLayer._svgFactory.createElement("path");
defs.append(path);
const pathId = `path_p${this.pageIndex}_${id}`;
path.setAttribute("id", pathId);
path.setAttribute("d", outlines.toSVGPath());
if (isPathUpdatable) {
this.#toUpdate.set(id, path);
}
const clipPathId = this.#createClipPath(defs, pathId);
const use = DrawLayer._svgFactory.createElement("use");
root.append(use);
root.setAttribute("fill", color);
root.setAttribute("fill-opacity", opacity);
use.setAttribute("href", `#${pathId}`);
this.#mapping.set(id, root);
return {
id,
clipPathId: `url(#${clipPathId})`
};
}
highlightOutline(outlines) {
const id = this.#id++;
const root = this.#createSVG(outlines.box);
root.classList.add("highlightOutline");
const defs = DrawLayer._svgFactory.createElement("defs");
root.append(defs);
const path = DrawLayer._svgFactory.createElement("path");
defs.append(path);
const pathId = `path_p${this.pageIndex}_${id}`;
path.setAttribute("id", pathId);
path.setAttribute("d", outlines.toSVGPath());
path.setAttribute("vector-effect", "non-scaling-stroke");
let maskId;
if (outlines.free) {
root.classList.add("free");
const mask = DrawLayer._svgFactory.createElement("mask");
defs.append(mask);
maskId = `mask_p${this.pageIndex}_${id}`;
mask.setAttribute("id", maskId);
mask.setAttribute("maskUnits", "objectBoundingBox");
const rect = DrawLayer._svgFactory.createElement("rect");
mask.append(rect);
rect.setAttribute("width", "1");
rect.setAttribute("height", "1");
rect.setAttribute("fill", "white");
const use = DrawLayer._svgFactory.createElement("use");
mask.append(use);
use.setAttribute("href", `#${pathId}`);
use.setAttribute("stroke", "none");
use.setAttribute("fill", "black");
use.setAttribute("fill-rule", "nonzero");
use.classList.add("mask");
}
const use1 = DrawLayer._svgFactory.createElement("use");
root.append(use1);
use1.setAttribute("href", `#${pathId}`);
if (maskId) {
use1.setAttribute("mask", `url(#${maskId})`);
}
const use2 = use1.cloneNode();
root.append(use2);
use1.classList.add("mainOutline");
use2.classList.add("secondaryOutline");
this.#mapping.set(id, root);
return id;
}
finalizeLine(id, line) {
const path = this.#toUpdate.get(id);
this.#toUpdate.delete(id);
this.updateBox(id, line.box);
path.setAttribute("d", line.toSVGPath());
}
updateLine(id, line) {
const root = this.#mapping.get(id);
const defs = root.firstChild;
const path = defs.firstChild;
path.setAttribute("d", line.toSVGPath());
}
removeFreeHighlight(id) {
this.remove(id);
this.#toUpdate.delete(id);
}
updatePath(id, line) {
this.#toUpdate.get(id).setAttribute("d", line.toSVGPath());
}
updateBox(id, box) {
DrawLayer.#setBox(this.#mapping.get(id), box);
}
show(id, visible) {
this.#mapping.get(id).classList.toggle("hidden", !visible);
}
rotate(id, angle) {
this.#mapping.get(id).setAttribute("data-main-rotation", angle);
}
changeColor(id, color) {
this.#mapping.get(id).setAttribute("fill", color);
}
changeOpacity(id, opacity) {
this.#mapping.get(id).setAttribute("fill-opacity", opacity);
}
addClass(id, className) {
this.#mapping.get(id).classList.add(className);
}
removeClass(id, className) {
this.#mapping.get(id).classList.remove(className);
}
remove(id) {
if (this.#parent === null) {
return;
}
this.#mapping.get(id).remove();
this.#mapping.delete(id);
}
destroy() {
this.#parent = null;
for (const root of this.#mapping.values()) {
root.remove();
}
this.#mapping.clear();
}
}
;// CONCATENATED MODULE: ./src/pdf.js
const pdfjsVersion = "4.3.136";
const pdfjsBuild = "0cec64437";
var __webpack_exports__AbortException = __webpack_exports__.AbortException;
var __webpack_exports__AnnotationEditorLayer = __webpack_exports__.AnnotationEditorLayer;
var __webpack_exports__AnnotationEditorParamsType = __webpack_exports__.AnnotationEditorParamsType;
var __webpack_exports__AnnotationEditorType = __webpack_exports__.AnnotationEditorType;
var __webpack_exports__AnnotationEditorUIManager = __webpack_exports__.AnnotationEditorUIManager;
var __webpack_exports__AnnotationLayer = __webpack_exports__.AnnotationLayer;
var __webpack_exports__AnnotationMode = __webpack_exports__.AnnotationMode;
var __webpack_exports__CMapCompressionType = __webpack_exports__.CMapCompressionType;
var __webpack_exports__ColorPicker = __webpack_exports__.ColorPicker;
var __webpack_exports__DOMSVGFactory = __webpack_exports__.DOMSVGFactory;
var __webpack_exports__DrawLayer = __webpack_exports__.DrawLayer;
var __webpack_exports__FeatureTest = __webpack_exports__.FeatureTest;
var __webpack_exports__GlobalWorkerOptions = __webpack_exports__.GlobalWorkerOptions;
var __webpack_exports__ImageKind = __webpack_exports__.ImageKind;
var __webpack_exports__InvalidPDFException = __webpack_exports__.InvalidPDFException;
var __webpack_exports__MissingPDFException = __webpack_exports__.MissingPDFException;
var __webpack_exports__OPS = __webpack_exports__.OPS;
var __webpack_exports__Outliner = __webpack_exports__.Outliner;
var __webpack_exports__PDFDataRangeTransport = __webpack_exports__.PDFDataRangeTransport;
var __webpack_exports__PDFDateString = __webpack_exports__.PDFDateString;
var __webpack_exports__PDFWorker = __webpack_exports__.PDFWorker;
var __webpack_exports__PasswordResponses = __webpack_exports__.PasswordResponses;
var __webpack_exports__PermissionFlag = __webpack_exports__.PermissionFlag;
var __webpack_exports__PixelsPerInch = __webpack_exports__.PixelsPerInch;
var __webpack_exports__RenderingCancelledException = __webpack_exports__.RenderingCancelledException;
var __webpack_exports__TextLayer = __webpack_exports__.TextLayer;
var __webpack_exports__UnexpectedResponseException = __webpack_exports__.UnexpectedResponseException;
var __webpack_exports__Util = __webpack_exports__.Util;
var __webpack_exports__VerbosityLevel = __webpack_exports__.VerbosityLevel;
var __webpack_exports__XfaLayer = __webpack_exports__.XfaLayer;
var __webpack_exports__build = __webpack_exports__.build;
var __webpack_exports__createValidAbsoluteUrl = __webpack_exports__.createValidAbsoluteUrl;
var __webpack_exports__fetchData = __webpack_exports__.fetchData;
var __webpack_exports__getDocument = __webpack_exports__.getDocument;
var __webpack_exports__getFilenameFromUrl = __webpack_exports__.getFilenameFromUrl;
var __webpack_exports__getPdfFilenameFromUrl = __webpack_exports__.getPdfFilenameFromUrl;
var __webpack_exports__getXfaPageViewport = __webpack_exports__.getXfaPageViewport;
var __webpack_exports__isDataScheme = __webpack_exports__.isDataScheme;
var __webpack_exports__isPdfFile = __webpack_exports__.isPdfFile;
var __webpack_exports__noContextMenu = __webpack_exports__.noContextMenu;
var __webpack_exports__normalizeUnicode = __webpack_exports__.normalizeUnicode;
var __webpack_exports__renderTextLayer = __webpack_exports__.renderTextLayer;
var __webpack_exports__setLayerDimensions = __webpack_exports__.setLayerDimensions;
var __webpack_exports__shadow = __webpack_exports__.shadow;
var __webpack_exports__updateTextLayer = __webpack_exports__.updateTextLayer;
var __webpack_exports__version = __webpack_exports__.version;
export { __webpack_exports__AbortException as AbortException, __webpack_exports__AnnotationEditorLayer as AnnotationEditorLayer, __webpack_exports__AnnotationEditorParamsType as AnnotationEditorParamsType, __webpack_exports__AnnotationEditorType as AnnotationEditorType, __webpack_exports__AnnotationEditorUIManager as AnnotationEditorUIManager, __webpack_exports__AnnotationLayer as AnnotationLayer, __webpack_exports__AnnotationMode as AnnotationMode, __webpack_exports__CMapCompressionType as CMapCompressionType, __webpack_exports__ColorPicker as ColorPicker, __webpack_exports__DOMSVGFactory as DOMSVGFactory, __webpack_exports__DrawLayer as DrawLayer, __webpack_exports__FeatureTest as FeatureTest, __webpack_exports__GlobalWorkerOptions as GlobalWorkerOptions, __webpack_exports__ImageKind as ImageKind, __webpack_exports__InvalidPDFException as InvalidPDFException, __webpack_exports__MissingPDFException as MissingPDFException, __webpack_exports__OPS as OPS, __webpack_exports__Outliner as Outliner, __webpack_exports__PDFDataRangeTransport as PDFDataRangeTransport, __webpack_exports__PDFDateString as PDFDateString, __webpack_exports__PDFWorker as PDFWorker, __webpack_exports__PasswordResponses as PasswordResponses, __webpack_exports__PermissionFlag as PermissionFlag, __webpack_exports__PixelsPerInch as PixelsPerInch, __webpack_exports__RenderingCancelledException as RenderingCancelledException, __webpack_exports__TextLayer as TextLayer, __webpack_exports__UnexpectedResponseException as UnexpectedResponseException, __webpack_exports__Util as Util, __webpack_exports__VerbosityLevel as VerbosityLevel, __webpack_exports__XfaLayer as XfaLayer, __webpack_exports__build as build, __webpack_exports__createValidAbsoluteUrl as createValidAbsoluteUrl, __webpack_exports__fetchData as fetchData, __webpack_exports__getDocument as getDocument, __webpack_exports__getFilenameFromUrl as getFilenameFromUrl, __webpack_exports__getPdfFilenameFromUrl as getPdfFilenameFromUrl, __webpack_exports__getXfaPageViewport as getXfaPageViewport, __webpack_exports__isDataScheme as isDataScheme, __webpack_exports__isPdfFile as isPdfFile, __webpack_exports__noContextMenu as noContextMenu, __webpack_exports__normalizeUnicode as normalizeUnicode, __webpack_exports__renderTextLayer as renderTextLayer, __webpack_exports__setLayerDimensions as setLayerDimensions, __webpack_exports__shadow as shadow, __webpack_exports__updateTextLayer as updateTextLayer, __webpack_exports__version as version };
//# sourceMappingURL=pdf.mjs.map
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