first commit

node_modules/@pdf-lib/standard-fonts/LICENSE.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 Andrew Dillon
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

node_modules/@pdf-lib/standard-fonts/README.md

@@ -0,0 +1,83 @@
+<h1>
+  standard-fonts
+
+  <br />
+
+  <!-- NPM Version -->
+  <a href="https://www.npmjs.com/package/standard-fonts">
+    <img
+      src="https://img.shields.io/npm/v/@pdf-lib/standard-fonts.svg?style=flat-square"
+      alt="NPM Version"
+    />
+  </a>
+
+  <!-- Prettier Badge -->
+  <a href="https://prettier.io/">
+    <img
+      src="https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square"
+      alt="Prettier Badge"
+    />
+  </a>
+</h1>
+
+> Collection of metrics and encodings for the standard 14 PDF fonts
+
+This project is a fork of [`afm`](https://github.com/chbrown/afm) and was created for use in [`pdf-lib`](https://github.com/Hopding/pdf-lib). This forks exists for two primary reasons:
+
+1. The original project did not include mappings from Unicode to WinAnsi/ZapfDingbats/Symbol encodings.
+2. The font metrics included in the original project were uncompressed (not ideal for usage in `pdf-lib`).
+
+## Usage
+```js
+import { Font, FontNames, Encodings } from '@pdf-lib/standard-fonts';
+
+const codePoint = '∑'.charCodeAt(0);
+
+const glyph = Encodings.Symbol.encodeUnicodeCodePoint(codePoint);
+glyph // => { code: 229, name: 'summation' }
+
+const font = Font.load(FontNames.Symbol);
+const width = font.getWidthOfGlyph(glyph.name);
+width // => 713
+```
+
+## Installation
+### NPM Module
+To install the latest stable version:
+```bash
+# With npm
+npm install --save @pdf-lib/standard-fonts
+
+# With yarn
+yarn add @pdf-lib/standard-fonts
+```
+This assumes you're using [npm](https://www.npmjs.com/) or [yarn](https://yarnpkg.com/lang/en/) as your package manager.
+
+### UMD Module
+You can also download `@pdf-lib/standard-fonts` as a UMD module from [unpkg](https://unpkg.com/#/). The UMD builds have been compiled to ES5, so they should work [in any modern browser](https://caniuse.com/#feat=es5). UMD builds are useful if you aren't using a package manager or module bundler. For example, you can use them directly in the `<script>` tag of an HTML page.
+
+The following builds are available:
+
+* https://unpkg.com/@pdf-lib/standard-fonts/dist/standard-fonts.js
+* https://unpkg.com/@pdf-lib/standard-fonts/dist/standard-fonts.min.js
+
+When using a UMD build, you will have access to a global `window.StandardFonts` variable. This variable contains the classes and enums exported by `@pdf-lib/standard-fonts`. For example:
+
+```javascript
+// NPM module
+import { Font, FontNames, Encodings } from '@pdf-lib/standard-fonts';
+const font = Font.load(FontNames.HelveticaBold);
+const encoding = Encodings.WinAnsi;
+
+// UMD module
+var font = StandardFonts.Font.load(StandardFonts.FontNames.HelveticaBold);
+var encoding = StandardFonts.Encodings.WinAnsi;
+```
+
+## License
+[MIT](https://choosealicense.com/licenses/mit/)
+
+## Original Repo's License
+
+Copyright 2015–2018 Christopher Brown.
+[MIT Licensed](https://chbrown.github.io/licenses/MIT/#2015-2018).

node_modules/@pdf-lib/standard-fonts/es/Courier-Bold.compressed.json

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node_modules/@pdf-lib/standard-fonts/es/Courier-BoldOblique.compressed.json

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node_modules/@pdf-lib/standard-fonts/es/Courier-Oblique.compressed.json

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node_modules/@pdf-lib/standard-fonts/es/Courier.compressed.json

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node_modules/@pdf-lib/standard-fonts/es/Encoding.d.ts

@@ -0,0 +1,24 @@
+declare type EncodingCharCode = number;
+declare type EncodingCharName = string;
+interface UnicodeMappings {
+    [unicodeCodePoint: number]: [EncodingCharCode, EncodingCharName];
+}
+declare type EncodingNames = 'Symbol' | 'ZapfDingbats' | 'WinAnsi';
+declare class Encoding {
+    name: EncodingNames;
+    supportedCodePoints: number[];
+    private unicodeMappings;
+    constructor(name: EncodingNames, unicodeMappings: UnicodeMappings);
+    canEncodeUnicodeCodePoint: (codePoint: number) => boolean;
+    encodeUnicodeCodePoint: (codePoint: number) => {
+        code: number;
+        name: string;
+    };
+}
+export declare type EncodingType = Encoding;
+export declare const Encodings: {
+    Symbol: Encoding;
+    ZapfDingbats: Encoding;
+    WinAnsi: Encoding;
+};
+export {};

node_modules/@pdf-lib/standard-fonts/es/Encoding.js

@@ -0,0 +1,34 @@
+/* tslint:disable max-classes-per-file */
+import { decompressJson, padStart } from './utils';
+import AllEncodingsCompressed from './all-encodings.compressed.json';
+var decompressedEncodings = decompressJson(AllEncodingsCompressed);
+var allUnicodeMappings = JSON.parse(decompressedEncodings);
+var Encoding = /** @class */ (function () {
+    function Encoding(name, unicodeMappings) {
+        var _this = this;
+        this.canEncodeUnicodeCodePoint = function (codePoint) {
+            return codePoint in _this.unicodeMappings;
+        };
+        this.encodeUnicodeCodePoint = function (codePoint) {
+            var mapped = _this.unicodeMappings[codePoint];
+            if (!mapped) {
+                var str = String.fromCharCode(codePoint);
+                var hexCode = "0x" + padStart(codePoint.toString(16), 4, '0');
+                var msg = _this.name + " cannot encode \"" + str + "\" (" + hexCode + ")";
+                throw new Error(msg);
+            }
+            return { code: mapped[0], name: mapped[1] };
+        };
+        this.name = name;
+        this.supportedCodePoints = Object.keys(unicodeMappings)
+            .map(Number)
+            .sort(function (a, b) { return a - b; });
+        this.unicodeMappings = unicodeMappings;
+    }
+    return Encoding;
+}());
+export var Encodings = {
+    Symbol: new Encoding('Symbol', allUnicodeMappings.symbol),
+    ZapfDingbats: new Encoding('ZapfDingbats', allUnicodeMappings.zapfdingbats),
+    WinAnsi: new Encoding('WinAnsi', allUnicodeMappings.win1252),
+};

node_modules/@pdf-lib/standard-fonts/es/Font.d.ts

@@ -0,0 +1,83 @@
+declare const compressedJsonForFontName: {
+    'Courier': string;
+    'Courier-Bold': string;
+    'Courier-Oblique': string;
+    'Courier-BoldOblique': string;
+    'Helvetica': string;
+    'Helvetica-Bold': string;
+    'Helvetica-Oblique': string;
+    'Helvetica-BoldOblique': string;
+    'Times-Roman': string;
+    'Times-Bold': string;
+    'Times-Italic': string;
+    'Times-BoldItalic': string;
+    'Symbol': string;
+    'ZapfDingbats': string;
+};
+export declare enum FontNames {
+    Courier = "Courier",
+    CourierBold = "Courier-Bold",
+    CourierOblique = "Courier-Oblique",
+    CourierBoldOblique = "Courier-BoldOblique",
+    Helvetica = "Helvetica",
+    HelveticaBold = "Helvetica-Bold",
+    HelveticaOblique = "Helvetica-Oblique",
+    HelveticaBoldOblique = "Helvetica-BoldOblique",
+    TimesRoman = "Times-Roman",
+    TimesRomanBold = "Times-Bold",
+    TimesRomanItalic = "Times-Italic",
+    TimesRomanBoldItalic = "Times-BoldItalic",
+    Symbol = "Symbol",
+    ZapfDingbats = "ZapfDingbats"
+}
+export declare type IFontNames = FontNames | keyof typeof compressedJsonForFontName;
+export interface ICharMetrics {
+    /** Decimal value of default character code (-1 if not encoded) */
+    /** Width of character */
+    WX: number;
+    /** Character name (aka Glyph name) */
+    N: string;
+}
+/**
+ * [name_1 name_2 number_x]:
+ *   Name of the first character in the kerning pair followed by the name of the
+ *   second character followed by the kerning amount in the x direction
+ *   (y is zero). The kerning amount is specified in the units of the character
+ *   coordinate system.
+ */
+export declare type IKernPair = [string, string, number];
+export declare class Font {
+    static load: (fontName: IFontNames) => Font;
+    Comment: string;
+    FontName: string;
+    FullName: string;
+    FamilyName: string;
+    Weight: string;
+    CharacterSet: string;
+    Version: string;
+    Notice: string;
+    EncodingScheme: string;
+    ItalicAngle: number;
+    UnderlinePosition: number;
+    UnderlineThickness: number;
+    CapHeight: number | void;
+    XHeight: number | void;
+    Ascender: number | void;
+    Descender: number | void;
+    StdHW: number;
+    StdVW: number;
+    IsFixedPitch: boolean;
+    /**
+     * [llx lly urx ury]:
+     *   Font bounding box where llx, lly, urx, and ury are all numbers.
+     */
+    FontBBox: [number, number, number, number];
+    CharMetrics: ICharMetrics[];
+    KernPairs: IKernPair[];
+    private CharWidths;
+    private KernPairXAmounts;
+    private constructor();
+    getWidthOfGlyph: (glyphName: string) => number | void;
+    getXAxisKerningForPair: (leftGlyphName: string, rightGlyphName: string) => number | void;
+}
+export {};

node_modules/@pdf-lib/standard-fonts/es/Font.js

@@ -0,0 +1,83 @@
+import { decompressJson } from './utils';
+import CourierBoldCompressed from './Courier-Bold.compressed.json';
+import CourierBoldObliqueCompressed from './Courier-BoldOblique.compressed.json';
+import CourierObliqueCompressed from './Courier-Oblique.compressed.json';
+import CourierCompressed from './Courier.compressed.json';
+import HelveticaBoldCompressed from './Helvetica-Bold.compressed.json';
+import HelveticaBoldObliqueCompressed from './Helvetica-BoldOblique.compressed.json';
+import HelveticaObliqueCompressed from './Helvetica-Oblique.compressed.json';
+import HelveticaCompressed from './Helvetica.compressed.json';
+import TimesBoldCompressed from './Times-Bold.compressed.json';
+import TimesBoldItalicCompressed from './Times-BoldItalic.compressed.json';
+import TimesItalicCompressed from './Times-Italic.compressed.json';
+import TimesRomanCompressed from './Times-Roman.compressed.json';
+import SymbolCompressed from './Symbol.compressed.json';
+import ZapfDingbatsCompressed from './ZapfDingbats.compressed.json';
+// prettier-ignore
+var compressedJsonForFontName = {
+    'Courier': CourierCompressed,
+    'Courier-Bold': CourierBoldCompressed,
+    'Courier-Oblique': CourierObliqueCompressed,
+    'Courier-BoldOblique': CourierBoldObliqueCompressed,
+    'Helvetica': HelveticaCompressed,
+    'Helvetica-Bold': HelveticaBoldCompressed,
+    'Helvetica-Oblique': HelveticaObliqueCompressed,
+    'Helvetica-BoldOblique': HelveticaBoldObliqueCompressed,
+    'Times-Roman': TimesRomanCompressed,
+    'Times-Bold': TimesBoldCompressed,
+    'Times-Italic': TimesItalicCompressed,
+    'Times-BoldItalic': TimesBoldItalicCompressed,
+    'Symbol': SymbolCompressed,
+    'ZapfDingbats': ZapfDingbatsCompressed,
+};
+export var FontNames;
+(function (FontNames) {
+    FontNames["Courier"] = "Courier";
+    FontNames["CourierBold"] = "Courier-Bold";
+    FontNames["CourierOblique"] = "Courier-Oblique";
+    FontNames["CourierBoldOblique"] = "Courier-BoldOblique";
+    FontNames["Helvetica"] = "Helvetica";
+    FontNames["HelveticaBold"] = "Helvetica-Bold";
+    FontNames["HelveticaOblique"] = "Helvetica-Oblique";
+    FontNames["HelveticaBoldOblique"] = "Helvetica-BoldOblique";
+    FontNames["TimesRoman"] = "Times-Roman";
+    FontNames["TimesRomanBold"] = "Times-Bold";
+    FontNames["TimesRomanItalic"] = "Times-Italic";
+    FontNames["TimesRomanBoldItalic"] = "Times-BoldItalic";
+    FontNames["Symbol"] = "Symbol";
+    FontNames["ZapfDingbats"] = "ZapfDingbats";
+})(FontNames || (FontNames = {}));
+var fontCache = {};
+var Font = /** @class */ (function () {
+    function Font() {
+        var _this = this;
+        this.getWidthOfGlyph = function (glyphName) {
+            return _this.CharWidths[glyphName];
+        };
+        this.getXAxisKerningForPair = function (leftGlyphName, rightGlyphName) {
+            return (_this.KernPairXAmounts[leftGlyphName] || {})[rightGlyphName];
+        };
+    }
+    Font.load = function (fontName) {
+        var cachedFont = fontCache[fontName];
+        if (cachedFont)
+            return cachedFont;
+        var json = decompressJson(compressedJsonForFontName[fontName]);
+        var font = Object.assign(new Font(), JSON.parse(json));
+        font.CharWidths = font.CharMetrics.reduce(function (acc, metric) {
+            acc[metric.N] = metric.WX;
+            return acc;
+        }, {});
+        font.KernPairXAmounts = font.KernPairs.reduce(function (acc, _a) {
+            var name1 = _a[0], name2 = _a[1], width = _a[2];
+            if (!acc[name1])
+                acc[name1] = {};
+            acc[name1][name2] = width;
+            return acc;
+        }, {});
+        fontCache[fontName] = font;
+        return font;
+    };
+    return Font;
+}());
+export { Font };

node_modules/@pdf-lib/standard-fonts/es/Symbol.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/es/ZapfDingbats.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/es/index.d.ts

@@ -0,0 +1,2 @@
+export * from './Font';
+export * from './Encoding';

node_modules/@pdf-lib/standard-fonts/es/index.js

@@ -0,0 +1,2 @@
+export * from './Font';
+export * from './Encoding';

node_modules/@pdf-lib/standard-fonts/es/utils.d.ts

@@ -0,0 +1,3 @@
+export declare const decodeFromBase64: (base64: string) => Uint8Array;
+export declare const decompressJson: (compressedJson: string) => string;
+export declare const padStart: (value: string, length: number, padChar: string) => string;

node_modules/@pdf-lib/standard-fonts/es/utils.js

@@ -0,0 +1,62 @@
+/*
+ * The `chars`, `lookup`, and `decodeFromBase64` members of this file are
+ * licensed under the following:
+ *
+ *     base64-arraybuffer
+ *     https://github.com/niklasvh/base64-arraybuffer
+ *
+ *     Copyright (c) 2012 Niklas von Hertzen
+ *     Licensed under the MIT license.
+ *
+ */
+import pako from 'pako';
+var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+// Use a lookup table to find the index.
+var lookup = new Uint8Array(256);
+for (var i = 0; i < chars.length; i++) {
+    lookup[chars.charCodeAt(i)] = i;
+}
+export var decodeFromBase64 = function (base64) {
+    var bufferLength = base64.length * 0.75;
+    var len = base64.length;
+    var i;
+    var p = 0;
+    var encoded1;
+    var encoded2;
+    var encoded3;
+    var encoded4;
+    if (base64[base64.length - 1] === '=') {
+        bufferLength--;
+        if (base64[base64.length - 2] === '=') {
+            bufferLength--;
+        }
+    }
+    var bytes = new Uint8Array(bufferLength);
+    for (i = 0; i < len; i += 4) {
+        encoded1 = lookup[base64.charCodeAt(i)];
+        encoded2 = lookup[base64.charCodeAt(i + 1)];
+        encoded3 = lookup[base64.charCodeAt(i + 2)];
+        encoded4 = lookup[base64.charCodeAt(i + 3)];
+        bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+        bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+        bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+    }
+    return bytes;
+};
+var arrayToString = function (array) {
+    var str = '';
+    for (var i = 0; i < array.length; i++) {
+        str += String.fromCharCode(array[i]);
+    }
+    return str;
+};
+export var decompressJson = function (compressedJson) {
+    return arrayToString(pako.inflate(decodeFromBase64(compressedJson)));
+};
+export var padStart = function (value, length, padChar) {
+    var padding = '';
+    for (var idx = 0, len = length - value.length; idx < len; idx++) {
+        padding += padChar;
+    }
+    return padding + value;
+};

node_modules/@pdf-lib/standard-fonts/lib/Courier-Bold.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/lib/Courier-BoldOblique.compressed.json

@@ -0,0 +1 @@
+"eJyFWdtyGjkQ/RVqnnarcAo7vuE3jEnCxgEvGDtxKg9iRgxaa0ZEF9s4lX/fnrGdTVZ9lBcKTmvU96PW8C0bmqqStc9OsqsPwYlSdnaPDvb6naP+3v5+1s3emNpPRCVpwdAEq6TdOTW6mC61+hpksyBo/euCTrOg89MKUSm9/XUNwddSletGcbOcfo+90Cof1KWmdTu7e4S4N+pBFhfK5+vsxNsgu9lwLazIvbRz2Tw7evCyLmQxM5Won809PTUP2cnnnYOj7s7eQa97fNjvHvd2v3SzBS21WtXywjjllakbRb3eT4LLtcpva+lcdkJPZlfSunZZ1uu9ftXr9UjFxHiVP7my2drGh84f+Z+d3f5xv0uf/V77udt+vm4/jzqDwixlZ751XlauM65zYzfGCi+LV53OQOvOrNnHdWbSSXtHKOkZ0apC1eU8X8s2dO0mcy/qQtjiRUoLh2Lz7jmWB4cUto8vv/Zf97vZwOVNhGx2crhHP8/kj987uxShbO6Ld9fZyfF++/WKvu72Dp/i/EF6q3IKxedv2fVH2qAJ1YQscRtBEfje/R8sH3Itqhj/Ggx5utSxpA7VsglxWceywmgtbIxvpM2bio0EoiKRo/AAC9pcMfsJK2stV0gEHhOu2dHdMk/p4GI0p0YTMbzebtaS8Z5cUYbxxGnh1jH8KK2JUVMzWfL3zEq/tpJZu6JuZVB1x6x16oEB5R3nneRjWivO4Nxow+zhZKWASDcNHCv9GgRTg6WV1IiMm8ReriWJOPeM7YMYOo2hYQydxdAoht7E0NsYehdD4xj6K4bex9B5DH2IoUkMTWPoIob+jqFZDM1j6DKGFjF0FUPXMfQxhj7F0E0MLekQupWep40lyUCfPj8HOSVXKlc2DwyLhoa1HZ0cTIu0/MYbw3DOkukxhn+ZDmK4gGkohuViSMXQPzHE0CvTwky0mK5laG/DhDKGGG5g6IWJfYihuxi6jyGGSbcM6fP1BQphyR2m7fpUNXqlC3jUF+aeiTN/OjfHpW4GlriEmoGO5dktd3astLGKPQ/ALnmwdIznTADbtnGqHTnh1MJHswyKJJUBFNCI241/IwahXzHdsWIKnyY5lmYKUZbckfaEs6PY08DR5E5ayfQ+zUKitGLDkRpdASTjxX/hXQqXiHBaCkL0IwFALrVWG6eYRiVP/doENCk+Hfp8aVMAuNFH5MFzg0vL5CstmXYGfVWJ3HI1vLSSU1wYL3K+3wq6ZUnWf8t2YS4LCig3oYa6FDZUWgRGjSlpyGRYOhesH7LiC3bAjDzGFiua8fih8BwcsFOE8woqIrmgWQ2Cj3czWzLdqYFeg3Bmd2pNusVSyTNJG+N8SlB+AhRNSGdUgtR9whYU6k5x1fwJWDZIdYYADy1SD23BQ669dqEekaktF3yfLHAYBGqGBbAuoAdGWMkZEQR3/0g6mr+8qmBUIcrJQR0IPi6TpAEa1Shg1MvkbkO0G2DVUYInHXDTQUJUQLs2j7IuGcEMqHibdDIkmyQlHKCUWmBIDn29SUTucm0ss9kUaZ+BuM0BXgBrF0hB4CuzfbfhQjvgMDPRFJTgAOGAVqugvdpoZswMwMFL4CCNWl4JXagVc7vaYmqYAD0qVSyjZJklTh0syoEdNaJBlNAJCNAYbNS8eaOBgXv9trTmVtbsHcjKUjkw9b4FyR6nGCVQV/NXkRGoKQscMigyN+CBGxCx55dc4BXYyDMTyhCSgk7ylkejHzwdkWCAxodEVYIAP6LWQLqnKCPo6EGZckgzdmKaHEuAh2dSeyZXnidpf28SjIhNq5hXGgpYZNJz5giFvgATTsvjVMCWCpkxbZ6oV74i3yfr+BwkzltRyEpYxnKZYIUxiNIYFc45sJqCthaaORmamwlocJOqqBpMTYvf5A/ERyKHSsCl5NBzVrmk8kGYJ1M3TVteEEtw/3YYkKIhMCJANi9UzqXhDGxkk95MQH4MwGfpsk5KB2DPAeRofuaagn0eEx0yQqc90n2bdAUMAuNkKwATfPpyY8om37Xh3o9gLg1YRFuhf6vSF1ruIH8ETtXJrSjk+IRQqMdHofkf8ks3ey9tfSGUbf49/vL9XxrnGMA="

node_modules/@pdf-lib/standard-fonts/lib/Courier-Oblique.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/lib/Courier.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/lib/Encoding.d.ts

@@ -0,0 +1,24 @@
+declare type EncodingCharCode = number;
+declare type EncodingCharName = string;
+interface UnicodeMappings {
+    [unicodeCodePoint: number]: [EncodingCharCode, EncodingCharName];
+}
+declare type EncodingNames = 'Symbol' | 'ZapfDingbats' | 'WinAnsi';
+declare class Encoding {
+    name: EncodingNames;
+    supportedCodePoints: number[];
+    private unicodeMappings;
+    constructor(name: EncodingNames, unicodeMappings: UnicodeMappings);
+    canEncodeUnicodeCodePoint: (codePoint: number) => boolean;
+    encodeUnicodeCodePoint: (codePoint: number) => {
+        code: number;
+        name: string;
+    };
+}
+export declare type EncodingType = Encoding;
+export declare const Encodings: {
+    Symbol: Encoding;
+    ZapfDingbats: Encoding;
+    WinAnsi: Encoding;
+};
+export {};

node_modules/@pdf-lib/standard-fonts/lib/Encoding.js

@@ -0,0 +1,39 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+/* tslint:disable max-classes-per-file */
+var utils_1 = require("./utils");
+var all_encodings_compressed_json_1 = __importDefault(require("./all-encodings.compressed.json"));
+var decompressedEncodings = utils_1.decompressJson(all_encodings_compressed_json_1.default);
+var allUnicodeMappings = JSON.parse(decompressedEncodings);
+var Encoding = /** @class */ (function () {
+    function Encoding(name, unicodeMappings) {
+        var _this = this;
+        this.canEncodeUnicodeCodePoint = function (codePoint) {
+            return codePoint in _this.unicodeMappings;
+        };
+        this.encodeUnicodeCodePoint = function (codePoint) {
+            var mapped = _this.unicodeMappings[codePoint];
+            if (!mapped) {
+                var str = String.fromCharCode(codePoint);
+                var hexCode = "0x" + utils_1.padStart(codePoint.toString(16), 4, '0');
+                var msg = _this.name + " cannot encode \"" + str + "\" (" + hexCode + ")";
+                throw new Error(msg);
+            }
+            return { code: mapped[0], name: mapped[1] };
+        };
+        this.name = name;
+        this.supportedCodePoints = Object.keys(unicodeMappings)
+            .map(Number)
+            .sort(function (a, b) { return a - b; });
+        this.unicodeMappings = unicodeMappings;
+    }
+    return Encoding;
+}());
+exports.Encodings = {
+    Symbol: new Encoding('Symbol', allUnicodeMappings.symbol),
+    ZapfDingbats: new Encoding('ZapfDingbats', allUnicodeMappings.zapfdingbats),
+    WinAnsi: new Encoding('WinAnsi', allUnicodeMappings.win1252),
+};

node_modules/@pdf-lib/standard-fonts/lib/Font.d.ts

@@ -0,0 +1,83 @@
+declare const compressedJsonForFontName: {
+    'Courier': string;
+    'Courier-Bold': string;
+    'Courier-Oblique': string;
+    'Courier-BoldOblique': string;
+    'Helvetica': string;
+    'Helvetica-Bold': string;
+    'Helvetica-Oblique': string;
+    'Helvetica-BoldOblique': string;
+    'Times-Roman': string;
+    'Times-Bold': string;
+    'Times-Italic': string;
+    'Times-BoldItalic': string;
+    'Symbol': string;
+    'ZapfDingbats': string;
+};
+export declare enum FontNames {
+    Courier = "Courier",
+    CourierBold = "Courier-Bold",
+    CourierOblique = "Courier-Oblique",
+    CourierBoldOblique = "Courier-BoldOblique",
+    Helvetica = "Helvetica",
+    HelveticaBold = "Helvetica-Bold",
+    HelveticaOblique = "Helvetica-Oblique",
+    HelveticaBoldOblique = "Helvetica-BoldOblique",
+    TimesRoman = "Times-Roman",
+    TimesRomanBold = "Times-Bold",
+    TimesRomanItalic = "Times-Italic",
+    TimesRomanBoldItalic = "Times-BoldItalic",
+    Symbol = "Symbol",
+    ZapfDingbats = "ZapfDingbats"
+}
+export declare type IFontNames = FontNames | keyof typeof compressedJsonForFontName;
+export interface ICharMetrics {
+    /** Decimal value of default character code (-1 if not encoded) */
+    /** Width of character */
+    WX: number;
+    /** Character name (aka Glyph name) */
+    N: string;
+}
+/**
+ * [name_1 name_2 number_x]:
+ *   Name of the first character in the kerning pair followed by the name of the
+ *   second character followed by the kerning amount in the x direction
+ *   (y is zero). The kerning amount is specified in the units of the character
+ *   coordinate system.
+ */
+export declare type IKernPair = [string, string, number];
+export declare class Font {
+    static load: (fontName: IFontNames) => Font;
+    Comment: string;
+    FontName: string;
+    FullName: string;
+    FamilyName: string;
+    Weight: string;
+    CharacterSet: string;
+    Version: string;
+    Notice: string;
+    EncodingScheme: string;
+    ItalicAngle: number;
+    UnderlinePosition: number;
+    UnderlineThickness: number;
+    CapHeight: number | void;
+    XHeight: number | void;
+    Ascender: number | void;
+    Descender: number | void;
+    StdHW: number;
+    StdVW: number;
+    IsFixedPitch: boolean;
+    /**
+     * [llx lly urx ury]:
+     *   Font bounding box where llx, lly, urx, and ury are all numbers.
+     */
+    FontBBox: [number, number, number, number];
+    CharMetrics: ICharMetrics[];
+    KernPairs: IKernPair[];
+    private CharWidths;
+    private KernPairXAmounts;
+    private constructor();
+    getWidthOfGlyph: (glyphName: string) => number | void;
+    getXAxisKerningForPair: (leftGlyphName: string, rightGlyphName: string) => number | void;
+}
+export {};

node_modules/@pdf-lib/standard-fonts/lib/Font.js

@@ -0,0 +1,88 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+var utils_1 = require("./utils");
+var Courier_Bold_compressed_json_1 = __importDefault(require("./Courier-Bold.compressed.json"));
+var Courier_BoldOblique_compressed_json_1 = __importDefault(require("./Courier-BoldOblique.compressed.json"));
+var Courier_Oblique_compressed_json_1 = __importDefault(require("./Courier-Oblique.compressed.json"));
+var Courier_compressed_json_1 = __importDefault(require("./Courier.compressed.json"));
+var Helvetica_Bold_compressed_json_1 = __importDefault(require("./Helvetica-Bold.compressed.json"));
+var Helvetica_BoldOblique_compressed_json_1 = __importDefault(require("./Helvetica-BoldOblique.compressed.json"));
+var Helvetica_Oblique_compressed_json_1 = __importDefault(require("./Helvetica-Oblique.compressed.json"));
+var Helvetica_compressed_json_1 = __importDefault(require("./Helvetica.compressed.json"));
+var Times_Bold_compressed_json_1 = __importDefault(require("./Times-Bold.compressed.json"));
+var Times_BoldItalic_compressed_json_1 = __importDefault(require("./Times-BoldItalic.compressed.json"));
+var Times_Italic_compressed_json_1 = __importDefault(require("./Times-Italic.compressed.json"));
+var Times_Roman_compressed_json_1 = __importDefault(require("./Times-Roman.compressed.json"));
+var Symbol_compressed_json_1 = __importDefault(require("./Symbol.compressed.json"));
+var ZapfDingbats_compressed_json_1 = __importDefault(require("./ZapfDingbats.compressed.json"));
+// prettier-ignore
+var compressedJsonForFontName = {
+    'Courier': Courier_compressed_json_1.default,
+    'Courier-Bold': Courier_Bold_compressed_json_1.default,
+    'Courier-Oblique': Courier_Oblique_compressed_json_1.default,
+    'Courier-BoldOblique': Courier_BoldOblique_compressed_json_1.default,
+    'Helvetica': Helvetica_compressed_json_1.default,
+    'Helvetica-Bold': Helvetica_Bold_compressed_json_1.default,
+    'Helvetica-Oblique': Helvetica_Oblique_compressed_json_1.default,
+    'Helvetica-BoldOblique': Helvetica_BoldOblique_compressed_json_1.default,
+    'Times-Roman': Times_Roman_compressed_json_1.default,
+    'Times-Bold': Times_Bold_compressed_json_1.default,
+    'Times-Italic': Times_Italic_compressed_json_1.default,
+    'Times-BoldItalic': Times_BoldItalic_compressed_json_1.default,
+    'Symbol': Symbol_compressed_json_1.default,
+    'ZapfDingbats': ZapfDingbats_compressed_json_1.default,
+};
+var FontNames;
+(function (FontNames) {
+    FontNames["Courier"] = "Courier";
+    FontNames["CourierBold"] = "Courier-Bold";
+    FontNames["CourierOblique"] = "Courier-Oblique";
+    FontNames["CourierBoldOblique"] = "Courier-BoldOblique";
+    FontNames["Helvetica"] = "Helvetica";
+    FontNames["HelveticaBold"] = "Helvetica-Bold";
+    FontNames["HelveticaOblique"] = "Helvetica-Oblique";
+    FontNames["HelveticaBoldOblique"] = "Helvetica-BoldOblique";
+    FontNames["TimesRoman"] = "Times-Roman";
+    FontNames["TimesRomanBold"] = "Times-Bold";
+    FontNames["TimesRomanItalic"] = "Times-Italic";
+    FontNames["TimesRomanBoldItalic"] = "Times-BoldItalic";
+    FontNames["Symbol"] = "Symbol";
+    FontNames["ZapfDingbats"] = "ZapfDingbats";
+})(FontNames = exports.FontNames || (exports.FontNames = {}));
+var fontCache = {};
+var Font = /** @class */ (function () {
+    function Font() {
+        var _this = this;
+        this.getWidthOfGlyph = function (glyphName) {
+            return _this.CharWidths[glyphName];
+        };
+        this.getXAxisKerningForPair = function (leftGlyphName, rightGlyphName) {
+            return (_this.KernPairXAmounts[leftGlyphName] || {})[rightGlyphName];
+        };
+    }
+    Font.load = function (fontName) {
+        var cachedFont = fontCache[fontName];
+        if (cachedFont)
+            return cachedFont;
+        var json = utils_1.decompressJson(compressedJsonForFontName[fontName]);
+        var font = Object.assign(new Font(), JSON.parse(json));
+        font.CharWidths = font.CharMetrics.reduce(function (acc, metric) {
+            acc[metric.N] = metric.WX;
+            return acc;
+        }, {});
+        font.KernPairXAmounts = font.KernPairs.reduce(function (acc, _a) {
+            var name1 = _a[0], name2 = _a[1], width = _a[2];
+            if (!acc[name1])
+                acc[name1] = {};
+            acc[name1][name2] = width;
+            return acc;
+        }, {});
+        fontCache[fontName] = font;
+        return font;
+    };
+    return Font;
+}());
+exports.Font = Font;

node_modules/@pdf-lib/standard-fonts/lib/Symbol.compressed.json

@@ -0,0 +1 @@
+"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"

node_modules/@pdf-lib/standard-fonts/lib/ZapfDingbats.compressed.json

@@ -0,0 +1 @@
+"eJxtmNtu20YQhl+F4FULyMGeD7pz3AY1ChtG7NpFA18w1NomIlECSRcxgrx7SVk7+wOdG8H5OJydf2Z2d5gf9cV+t0v9VK/r+6vXsXlOlbHe28paq229qj/t++m62aXZ4J/m8PRb1z9/baZxefK63Z6eXN5dVMvTCh83u277xr/6kLrnl2XNq7TpXnczuZyabdee98/b2VzM/x4/dd/T5qab2pd6PQ2vaVVfvDRD005puE3Lu7eH1HbN9hTjx4/77/X6y5lcnUmjVzHIVVDicVX/1W/SsO36dLMfu6nb9/X6TAoBD+5euvZbn8axXtuZ36dhPJrVQqgPQoh5hev91LWLkIv94W1Ygq9+aX+tZAx2tfz64284/sblN/rqfLP/mqrbt3FKu7G67Nv9cNgPzZQ2H6rz7bb6vLgZq89pTMO/M/xfEqturJpqSM/d7GJIm2oamk3aNcO3av80O5xh3yyKmm1193ZIT02bqovTKjP+MAf++7zsZvZ3276kYyWWXB0z99S18/PbafPHQ71W4fjn/fxnFO+ZvkrT0LVzTr78qB/+nk38bHM9exgP8zr1z9U7jt6840YW5uSJKcZOCaBBnKgm5mU8MVNYyMwWFvO7Ukagkmgg6sDWQ5yFFqjzUrLEaQ3BEmiwNsMSaZS0vgWfOkPHWQowNeTUc0kumnxZvsgPxlGai6VTGUqAVCTQ6QkWnc77DKEiLktSUBJKqHIQZ86d8gCpHYoiEzMsb1ubYy8vW50DChB5ZhGqrijD0EqUIeiaEHIfCg5Kpuu0ApiToaGPSY0uaQsyr65L2oKi1yFt1PLaQ3lzfXTgXodGoJYzglndSLDMPg1sTPJpQJHJigw0QrGERqD9YhyTOgONQDUyuF1zaxuokc/BW2ztXCMrGZ9WMW1oQZHIXWNBkSCfRZEL5BMUiZw6CzVSFCfUSGZFNjIldoKDkonTKQiJIGzWmFd3BizJJ9SINoLDriOfUCOZS+zg+KGD1qGiLNMLxtJD1/ns00ON6EzyUCM6vbxhoBKaqbG3DFQCNiL1iHccBPV0DHhQH/JW8EW90dkyFKGywCJU0WkVSvSGeiSUODWFFD0HYdPQVoiRgfPMA+/nnRgiAyNYSjpWNQcNSMrtFCUH4ZIRpSCWocFCSuhCEY6hoUClc0WC52BJlCYYLQdhN+hygRRRlo5BKRRLS6oihSqh+ZzzRGG1Mo4Iz1LoP0qsxDGFzk0JE42ji0jCPejomJKCuwil4m5CiRMEUMVSzVLDUstSx1Juc0oVWMpqY295qVltmtWmWW2a1aZZbZrVplltmtWmWW2G1WZYbYbVZlhthtVmWG2G1WZYbYbVZlhtltVmWW2W1WZZbZbVZlltltVmWW2W1QYjQCh7E2aAQHeGhCFgPoNoy8KNb2wxBhmGKBxoUZXlLGsLI6AsftEDHV0wIURVbANLcTKlGGBIKPOAxCmhePCKUwFzAmpDFRQvjA9R06Hq8TONvshgKDCuRAZTXigUxjxNFfKRo3CLhnIJBMFRvMZpqpNBMlQJzGT5WFQMVQI/AikPMIhEU1aDjqJvQwmjSHB05cC9jbYwc5UtAHNLhDw41ha+lEqF4JaH3gmB61SYcqInxTDmQK8v08vjqv4zDf1N0w3Lf4A8/vwPpfK11w=="

node_modules/@pdf-lib/standard-fonts/lib/index.d.ts

@@ -0,0 +1,2 @@
+export * from './Font';
+export * from './Encoding';

node_modules/@pdf-lib/standard-fonts/lib/index.js

@@ -0,0 +1,7 @@
+"use strict";
+function __export(m) {
+    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
+}
+Object.defineProperty(exports, "__esModule", { value: true });
+__export(require("./Font"));
+__export(require("./Encoding"));

node_modules/@pdf-lib/standard-fonts/lib/utils.d.ts

@@ -0,0 +1,3 @@
+export declare const decodeFromBase64: (base64: string) => Uint8Array;
+export declare const decompressJson: (compressedJson: string) => string;
+export declare const padStart: (value: string, length: number, padChar: string) => string;

node_modules/@pdf-lib/standard-fonts/lib/utils.js

@@ -0,0 +1,67 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+/*
+ * The `chars`, `lookup`, and `decodeFromBase64` members of this file are
+ * licensed under the following:
+ *
+ *     base64-arraybuffer
+ *     https://github.com/niklasvh/base64-arraybuffer
+ *
+ *     Copyright (c) 2012 Niklas von Hertzen
+ *     Licensed under the MIT license.
+ *
+ */
+var pako_1 = __importDefault(require("pako"));
+var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
+// Use a lookup table to find the index.
+var lookup = new Uint8Array(256);
+for (var i = 0; i < chars.length; i++) {
+    lookup[chars.charCodeAt(i)] = i;
+}
+exports.decodeFromBase64 = function (base64) {
+    var bufferLength = base64.length * 0.75;
+    var len = base64.length;
+    var i;
+    var p = 0;
+    var encoded1;
+    var encoded2;
+    var encoded3;
+    var encoded4;
+    if (base64[base64.length - 1] === '=') {
+        bufferLength--;
+        if (base64[base64.length - 2] === '=') {
+            bufferLength--;
+        }
+    }
+    var bytes = new Uint8Array(bufferLength);
+    for (i = 0; i < len; i += 4) {
+        encoded1 = lookup[base64.charCodeAt(i)];
+        encoded2 = lookup[base64.charCodeAt(i + 1)];
+        encoded3 = lookup[base64.charCodeAt(i + 2)];
+        encoded4 = lookup[base64.charCodeAt(i + 3)];
+        bytes[p++] = (encoded1 << 2) | (encoded2 >> 4);
+        bytes[p++] = ((encoded2 & 15) << 4) | (encoded3 >> 2);
+        bytes[p++] = ((encoded3 & 3) << 6) | (encoded4 & 63);
+    }
+    return bytes;
+};
+var arrayToString = function (array) {
+    var str = '';
+    for (var i = 0; i < array.length; i++) {
+        str += String.fromCharCode(array[i]);
+    }
+    return str;
+};
+exports.decompressJson = function (compressedJson) {
+    return arrayToString(pako_1.default.inflate(exports.decodeFromBase64(compressedJson)));
+};
+exports.padStart = function (value, length, padChar) {
+    var padding = '';
+    for (var idx = 0, len = length - value.length; idx < len; idx++) {
+        padding += padChar;
+    }
+    return padding + value;
+};

node_modules/@pdf-lib/standard-fonts/package.json

@@ -0,0 +1,55 @@
+{
+  "name": "@pdf-lib/standard-fonts",
+  "version": "1.0.0",
+  "description": "Metrics for the Standard 14 PDF fonts and their encodings",
+  "main": "lib/index.js",
+  "unpkg": "dist/standard-fonts.min.js",
+  "module": "es/index.js",
+  "types": "lib/index.d.ts",
+  "scripts": {
+    "make": "node Makefile.js",
+    "lint": "node Makefile.js lint",
+    "clean": "node Makefile.js clean",
+    "typecheck": "tsc --noEmit",
+    "afmToJson": "node Makefile.js afmToJson",
+    "encodingsToJson": "node Makefile.js encodingsToJson",
+    "releaseNext": "node Makefile.js releaseNext",
+    "releaseLatest": "node Makefile.js releaseLatest"
+  },
+  "repository": "https://github.com/Hopding/standard-fonts.git",
+  "keywords": [
+    "afm",
+    "adobe",
+    "font",
+    "metrics",
+    "ascii",
+    "pdf"
+  ],
+  "author": "Andrew Dillon <andrew.dillon.j@gmail.com>",
+  "contributors": [
+    "Christopher Brown <io@henrian.com> (http://henrian.com)"
+  ],
+  "license": "MIT",
+  "homepage": "https://github.com/Hopding/standard-fonts",
+  "dependencies": {
+    "pako": "^1.0.6"
+  },
+  "devDependencies": {
+    "@types/mz": "^0.0.32",
+    "@types/node": "^10.5.1",
+    "@types/pako": "^1.0.0",
+    "base64-arraybuffer": "^0.1.5",
+    "mz": "^2.7.0",
+    "prettier": "^1.15.3",
+    "rollup": "^0.68.2",
+    "rollup-plugin-commonjs": "^9.2.0",
+    "rollup-plugin-json": "^3.1.0",
+    "rollup-plugin-node-resolve": "^4.0.0",
+    "rollup-plugin-terser": "^3.0.0",
+    "shelljs": "^0.8.3",
+    "ts-node": "^7.0.1",
+    "tslint": "^5.12.0",
+    "tslint-config-prettier": "^1.17.0",
+    "typescript": "^2.9.2"
+  }
+}

node_modules/@pdf-lib/upng/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2017 Photopea
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

node_modules/@pdf-lib/upng/README.md

@@ -0,0 +1,143 @@
+<h1>
+  upng
+
+  <br />
+
+  <!-- NPM Version -->
+  <a href="https://www.npmjs.com/package/@pdf-lib/upng">
+    <img
+      src="https://img.shields.io/npm/v/png-ts.svg?style=flat-square"
+      alt="NPM Version"
+    />
+  </a>
+</h1>
+
+> A small, fast and advanced PNG / APNG encoder and decoder
+
+This project is a fork of [`UPNG.js`](https://github.com/photopea/UPNG.js) and was created for use in [`pdf-lib`](https://github.com/Hopding/pdf-lib). The maintainer of the original repo does not publish it to NPM. That is the primary purpose of this fork. In addition, an `index.d.ts` file has been added (copied directly from [`@types/upng-js`](https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/upng-js/index.d.ts)) to makes TypeScript definitions available without requiring additional packages to be installed.
+
+## Example of `UPNG.toRGBA8`
+```javascript
+// Import the UPNG class
+import UPNG from '@pdf-lib/upng';
+
+// Create a UPNG object
+const pngImage = UPNG.decode(/* Uint8Array containing bytes of PNG image */);
+
+// `pixels` is a 1D array (in rgba order) of decoded pixel data
+const pixels = pngImage.UPNG.toRGBA8();
+```
+
+## Installation
+### NPM Module
+To install the latest stable version:
+```bash
+# With npm
+npm install --save @pdf-lib/upng
+
+# With yarn
+yarn add @pdf-lib/upng
+```
+This assumes you're using [npm](https://www.npmjs.com/) or [yarn](https://yarnpkg.com/lang/en/) as your package manager.
+
+### UMD Module
+You can also download `@pdf-lib/upng` as a UMD module from [unpkg](https://unpkg.com/#/). The UMD builds have been compiled to ES5, so they should work [in any modern browser](https://caniuse.com/#feat=es5). UMD builds are useful if you aren't using a package manager or module bundler. For example, you can use them directly in the `<script>` tag of an HTML page.
+
+The following builds are available:
+
+* https://unpkg.com/@pdf-lib/upng/dist/UPNG.js
+* https://unpkg.com/@pdf-lib/upng/dist/UPNG.min.js
+
+When using a UMD build, you will have access to a global `window.UPNG` variable. This variable contains the `UPNG` class exported by `@pdf-lib/upng`. For example:
+
+```javascript
+// NPM module
+import UPNG from '@pdf-lib/upng';
+const pngImage = UPNG.decode(/* ... */)
+
+// UMD module
+var pngImage = window.UPNG.decode(/* ... */)
+```
+
+
+## Encoder
+
+UPNG.js supports APNG and the interface expects "frames". Regular PNG is just a single-frame animation (single-item array).
+
+#### `UPNG.encode(imgs, w, h, cnum, [dels])`
+* `imgs`: array of frames. A frame is an ArrayBuffer containing the pixel data (RGBA, 8 bits per channel)
+* `w`, `h` : width and height of the image
+* `cnum`: number of colors in the result;  0: all colors (lossless PNG)
+* `dels`: array of millisecond delays for each frame (only when 2 or more frames)
+* returns an ArrayBuffer with binary data of a PNG file
+
+UPNG.js can do a lossy minification of PNG files, similar to [TinyPNG](https://tinypng.com/) and other tools. It performed quantization with [k-means algorithm](https://en.wikipedia.org/wiki/K-means_clustering) in the past, but now we use [K-d trees](https://en.wikipedia.org/wiki/K-d_tree).
+
+Lossy compression is allowed by the last parameter `cnum`. Set it to zero for a lossless compression, or write the number of allowed colors in the image. Smaller values produce smaller files. **Or just use 0 for lossless / 256 for lossy.**
+
+    // Read RGBA from canvas and encode with UPNG
+    var dta = ctx.getImageData(0,0,200,300).data;  // ctx is Context2D of a Canvas
+    //  dta = new Uint8Array(200 * 300 * 4);       // or generate pixels manually
+    var png = UPNG.encode([dta.buffer], 200, 300, 0);   console.log(new Uint8Array(png));
+
+#### `UPNG.encodeLL(imgs, w, h, cc, ac, depth, [dels])` - low-level encode
+* `imgs`: array of frames. A frame is an ArrayBuffer containing the pixel data (corresponding to following parameters)
+* `w`, `h` : width and height of the image
+* `cc`, `ac`: number of color channels (1 or 3) and alpha channels (0 or 1)
+* `depth`: bit depth of pixel data (1, 2, 4, 8, 16)
+* `dels`: array of millisecond delays for each frame (only when 2 or more frames)
+* returns an ArrayBuffer with binary data of a PNG file
+
+This function does not do any optimizations, it just stores what you give it. There are two cases when it is useful:
+* saving 16-bit colors (note, that PNG is big-endian, unlike Uint16Array in JS)
+* your image is too large, and "expanding" to 8-bit RGBA would use too much memory (e.g. 4-bit grayscale 50,000 x 50,000 = 1.25 GB, 8-bit RGBA would be 10 GB)
+
+## Decoder
+
+Supports all color types (including Grayscale and Palettes), all channel depths (1, 2, 4, 8, 16), interlaced images etc. Opens PNGs which other libraries can not open (tested with [PngSuite](http://www.schaik.com/pngsuite/)).
+
+#### `UPNG.decode(buffer)`
+* `buffer`: ArrayBuffer containing the PNG file
+* returns an image object with following properties:
+* * `width`: the width of the image
+* * `height`: the height of the image
+* * `depth`: number of bits per channel
+* * `ctype`: color type of the file (Truecolor, Grayscale, Palette ...)
+* * `frames`: additional info about frames (frame delays etc.)
+* * `tabs`: additional chunks of the PNG file
+* * `data`: pixel data of the image
+
+PNG files may have a various number of channels and a various color depth. The interpretation of `data` depends on the current color type and color depth (see the [PNG specification](https://www.w3.org/TR/PNG/)).
+
+#### `UPNG.toRGBA8(img)`
+* `img`: PNG image object (returned by UPNG.decode())
+* returns an array of frames. A frame is ArrayBuffer of the image in RGBA format, 8 bits per channel.
+
+### Example
+    var img  = UPNG.decode(buff);        // put ArrayBuffer of the PNG file into UPNG.decode
+    var rgba = UPNG.toRGBA8(img)[0];     // UPNG.toRGBA8 returns array of frames, size: width * height * 4 bytes.
+
+PNG format uses the Inflate algorithm. Right now, UPNG.js calls [Pako.js](https://github.com/nodeca/pako) for the Inflate and Deflate method.
+
+## Quantizer
+
+UPNG.js contains a very good Quantizer of 4-component 8-bit vectors (i.e. pixels). It can be used to generate nice color palettes (e.g. Photopea uses UPNG.js to make palettes for GIF images).
+
+Quantization consists of two important steps: Finding a nice palette and Finding the closest color in the palette for each sample (non-trivial for large palettes). UPNG perfroms both steps.
+
+    var res  = UPNG.quantize(data, psize);
+
+* `data`: ArrayBuffer of samples (byte length is a multiple of four)
+* `psize` : Palette size (how many colors you want to have)
+
+The result object "res" has following properties:
+
+* `abuf`: ArrayBuffer corresponding to `data`, where colors are remapped by a palette
+* `inds`: Uint8Array : the index of a color for each sample (only when `psize`<=256)
+* `plte`: Array : the Palette - a list of colors, `plte[i].est.q` and `plte[i].est.rgba` is the color value
+
+### FAQ
+
+- To get one common palette for multiple images (e.g. frames of the animation), concatenate them into one array `data`.
+- When working with less than four components, set the remaining components to a constant value (e.g. to zero)
+- When working with transparency, premultiply color components by transparency (otherwise, rgba(1,1,1,0) would be closer to rgba(1,1,1,1) than to rgba(0,0,0,0) - transparent mapped to white instead of transparent)

node_modules/@pdf-lib/upng/index.d.ts

@@ -0,0 +1,88 @@
+// ------------------------------------------- //
+//                                             //
+// Copied from: https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/upng-js/index.d.ts
+//                                             //
+// ------------------------------------------- //
+
+// Type definitions for upng-js 2.1
+// Project: https://github.com/photopea/UPNG.js
+// Definitions by: York Yao <https://github.com/plantain-00>, Sophie Kirschner <https://github.com/pineapplemachine>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface ImageFrameRect {
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+}
+
+export interface ImageFrame {
+  rect: ImageFrameRect;
+  delay: number;
+  dispose: number;
+  blend: number;
+}
+
+export interface ImageTabACTL {
+  num_frames: number;
+  num_plays: number;
+}
+
+export interface ImageTabText {
+  [key: string]: string;
+}
+
+export interface ImageTabs {
+  acTL?: ImageTabACTL;
+  pHYs?: number[];
+  cHRM?: number[];
+  tEXt?: ImageTabText;
+  iTXt?: ImageTabText;
+  PLTE?: number[];
+  hIST?: number[];
+  tRNS?: number | number[]; // Depends on ctype
+  gAMA?: number;
+  sRGB?: number;
+  bKGD?: number | number[]; // Depends on ctype
+}
+
+export interface Image {
+  width: number;
+  height: number;
+  depth: number;
+  ctype: number;
+  frames: ImageFrame[];
+  tabs: ImageTabs;
+  data: ArrayBuffer;
+}
+
+export interface QuantizeResult {
+  abuf: ArrayBuffer;
+  inds: Uint8Array;
+  // Type is complicated and I am too lazy to work it out right now, sorry!
+  plte: any[];
+}
+
+export function encode(
+  imgs: ArrayBuffer[],
+  w: number,
+  h: number,
+  cnum: number,
+  dels?: number[],
+): ArrayBuffer;
+
+export function encodeLL(
+  imgs: ArrayBuffer[],
+  w: number,
+  h: number,
+  cc: number,
+  ac: number,
+  depth: number,
+  dels?: number[],
+): ArrayBuffer;
+
+export function decode(buffer: ArrayBuffer): Image;
+
+export function toRGBA8(out: Image): ArrayBuffer[];
+
+export function quantize(data: ArrayBuffer, psize: number): QuantizeResult;

node_modules/@pdf-lib/upng/package.json

@@ -0,0 +1,54 @@
+{
+  "name": "@pdf-lib/upng",
+  "license": "MIT",
+  "version": "1.0.1",
+  "description": "Small, fast and advanced PNG / APNG encoder and decoder",
+  "main": "cjs/UPNG.js",
+  "unpkg": "dist/UPNG.min.js",
+  "module": "UPNG.js",
+  "types": "index.d.ts",
+  "files": [
+    "cjs/",
+    "dist/",
+    "UPNG.js",
+    "index.d.ts",
+    "LICENSE.md",
+    "package.json",
+    "README.md",
+    "yarn.lock"
+  ],
+  "scripts": {
+    "build": "yarn build:cjs && yarn build:umd && yarn build:umd:min",
+    "build:cjs": "babel --plugins @babel/plugin-transform-modules-commonjs --out-dir cjs UPNG.js",
+    "build:umd": "rollup --config rollup.config.js --file dist/UPNG.js",
+    "build:umd:min": "rollup --config rollup.config.js --file dist/UPNG.min.js --environment MINIFY"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Hopding/upng"
+  },
+  "author": "photopea (https://github.com/photopea)",
+  "contributors": [
+    "Andrew Dillon (https://github.com/Hopding)",
+    "Scimonster (https://github.com/Scimonster)"
+  ],
+  "bugs": "https://github.com/Hopding/upng/issues",
+  "keywords": [
+    "png",
+    "apng",
+    "image",
+    "conversion"
+  ],
+  "dependencies": {
+    "pako": "^1.0.10"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.8.4",
+    "@babel/core": "^7.8.4",
+    "@babel/plugin-transform-modules-commonjs": "^7.8.3",
+    "@rollup/plugin-commonjs": "^11.0.0",
+    "@rollup/plugin-node-resolve": "^7.1.1",
+    "rollup": "^1.31.1",
+    "rollup-plugin-terser": "^5.1.3"
+  }
+}