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- /**
- * @licstart The following is the entire license notice for the
- * Javascript code in this page
- *
- * Copyright 2020 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
- */
- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.getFontType = getFontType;
- exports.IdentityToUnicodeMap = exports.ToUnicodeMap = exports.FontFlags = exports.Font = exports.ErrorFont = exports.SEAC_ANALYSIS_ENABLED = void 0;
- var _util = require("../shared/util.js");
- var _cff_parser = require("./cff_parser.js");
- var _glyphlist = require("./glyphlist.js");
- var _encodings = require("./encodings.js");
- var _standard_fonts = require("./standard_fonts.js");
- var _unicode = require("./unicode.js");
- var _core_utils = require("./core_utils.js");
- var _font_renderer = require("./font_renderer.js");
- var _cmap = require("./cmap.js");
- var _stream = require("./stream.js");
- var _type1_parser = require("./type1_parser.js");
- const PRIVATE_USE_AREAS = [[0xe000, 0xf8ff], [0x100000, 0x10fffd]];
- var PDF_GLYPH_SPACE_UNITS = 1000;
- var SEAC_ANALYSIS_ENABLED = true;
- exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED;
- const EXPORT_DATA_PROPERTIES = ["ascent", "bbox", "black", "bold", "charProcOperatorList", "composite", "data", "defaultVMetrics", "defaultWidth", "descent", "fallbackName", "fontMatrix", "fontType", "isMonospace", "isSerifFont", "isType3Font", "italic", "loadedName", "mimetype", "missingFile", "name", "remeasure", "subtype", "type", "vertical"];
- const EXPORT_DATA_EXTRA_PROPERTIES = ["cMap", "defaultEncoding", "differences", "isSymbolicFont", "seacMap", "toFontChar", "toUnicode", "vmetrics", "widths"];
- var FontFlags = {
- FixedPitch: 1,
- Serif: 2,
- Symbolic: 4,
- Script: 8,
- Nonsymbolic: 32,
- Italic: 64,
- AllCap: 65536,
- SmallCap: 131072,
- ForceBold: 262144
- };
- exports.FontFlags = FontFlags;
- var MacStandardGlyphOrdering = [".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", "quotesingle", "parenleft", "parenright", "asterisk", "plus", "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less", "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum", "underscore", "grave", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "braceleft", "bar", "braceright", "asciitilde", "Adieresis", "Aring", "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis", "aacute", "agrave", "acircumflex", "adieresis", "atilde", "aring", "ccedilla", "eacute", "egrave", "ecircumflex", "edieresis", "iacute", "igrave", "icircumflex", "idieresis", "ntilde", "oacute", "ograve", "ocircumflex", "odieresis", "otilde", "uacute", "ugrave", "ucircumflex", "udieresis", "dagger", "degree", "cent", "sterling", "section", "bullet", "paragraph", "germandbls", "registered", "copyright", "trademark", "acute", "dieresis", "notequal", "AE", "Oslash", "infinity", "plusminus", "lessequal", "greaterequal", "yen", "mu", "partialdiff", "summation", "product", "pi", "integral", "ordfeminine", "ordmasculine", "Omega", "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", "lozenge", "ydieresis", "Ydieresis", "fraction", "currency", "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl", "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex", "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute", "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex", "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave", "dotlessi", "circumflex", "tilde", "macron", "breve", "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "Lslash", "lslash", "Scaron", "scaron", "Zcaron", "zcaron", "brokenbar", "Eth", "eth", "Yacute", "yacute", "Thorn", "thorn", "minus", "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", "Ccaron", "ccaron", "dcroat"];
- function adjustWidths(properties) {
- if (!properties.fontMatrix) {
- return;
- }
- if (properties.fontMatrix[0] === _util.FONT_IDENTITY_MATRIX[0]) {
- return;
- }
- var scale = 0.001 / properties.fontMatrix[0];
- var glyphsWidths = properties.widths;
- for (var glyph in glyphsWidths) {
- glyphsWidths[glyph] *= scale;
- }
- properties.defaultWidth *= scale;
- }
- function adjustToUnicode(properties, builtInEncoding) {
- if (properties.hasIncludedToUnicodeMap) {
- return;
- }
- if (properties.hasEncoding) {
- return;
- }
- if (builtInEncoding === properties.defaultEncoding) {
- return;
- }
- if (properties.toUnicode instanceof IdentityToUnicodeMap) {
- return;
- }
- var toUnicode = [],
- glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
- for (var charCode in builtInEncoding) {
- var glyphName = builtInEncoding[charCode];
- var unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
- if (unicode !== -1) {
- toUnicode[charCode] = String.fromCharCode(unicode);
- }
- }
- properties.toUnicode.amend(toUnicode);
- }
- function getFontType(type, subtype) {
- switch (type) {
- case "Type1":
- return subtype === "Type1C" ? _util.FontType.TYPE1C : _util.FontType.TYPE1;
- case "CIDFontType0":
- return subtype === "CIDFontType0C" ? _util.FontType.CIDFONTTYPE0C : _util.FontType.CIDFONTTYPE0;
- case "OpenType":
- return _util.FontType.OPENTYPE;
- case "TrueType":
- return _util.FontType.TRUETYPE;
- case "CIDFontType2":
- return _util.FontType.CIDFONTTYPE2;
- case "MMType1":
- return _util.FontType.MMTYPE1;
- case "Type0":
- return _util.FontType.TYPE0;
- default:
- return _util.FontType.UNKNOWN;
- }
- }
- function recoverGlyphName(name, glyphsUnicodeMap) {
- if (glyphsUnicodeMap[name] !== undefined) {
- return name;
- }
- var unicode = (0, _unicode.getUnicodeForGlyph)(name, glyphsUnicodeMap);
- if (unicode !== -1) {
- for (var key in glyphsUnicodeMap) {
- if (glyphsUnicodeMap[key] === unicode) {
- return key;
- }
- }
- }
- (0, _util.info)("Unable to recover a standard glyph name for: " + name);
- return name;
- }
- var Glyph = function GlyphClosure() {
- function Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
- this.fontChar = fontChar;
- this.unicode = unicode;
- this.accent = accent;
- this.width = width;
- this.vmetric = vmetric;
- this.operatorListId = operatorListId;
- this.isSpace = isSpace;
- this.isInFont = isInFont;
- }
- Glyph.prototype.matchesForCache = function (fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont) {
- return this.fontChar === fontChar && this.unicode === unicode && this.accent === accent && this.width === width && this.vmetric === vmetric && this.operatorListId === operatorListId && this.isSpace === isSpace && this.isInFont === isInFont;
- };
- return Glyph;
- }();
- var ToUnicodeMap = function ToUnicodeMapClosure() {
- function ToUnicodeMap(cmap = []) {
- this._map = cmap;
- }
- ToUnicodeMap.prototype = {
- get length() {
- return this._map.length;
- },
- forEach(callback) {
- for (var charCode in this._map) {
- callback(charCode, this._map[charCode].charCodeAt(0));
- }
- },
- has(i) {
- return this._map[i] !== undefined;
- },
- get(i) {
- return this._map[i];
- },
- charCodeOf(value) {
- const map = this._map;
- if (map.length <= 0x10000) {
- return map.indexOf(value);
- }
- for (const charCode in map) {
- if (map[charCode] === value) {
- return charCode | 0;
- }
- }
- return -1;
- },
- amend(map) {
- for (var charCode in map) {
- this._map[charCode] = map[charCode];
- }
- }
- };
- return ToUnicodeMap;
- }();
- exports.ToUnicodeMap = ToUnicodeMap;
- var IdentityToUnicodeMap = function IdentityToUnicodeMapClosure() {
- function IdentityToUnicodeMap(firstChar, lastChar) {
- this.firstChar = firstChar;
- this.lastChar = lastChar;
- }
- IdentityToUnicodeMap.prototype = {
- get length() {
- return this.lastChar + 1 - this.firstChar;
- },
- forEach(callback) {
- for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {
- callback(i, i);
- }
- },
- has(i) {
- return this.firstChar <= i && i <= this.lastChar;
- },
- get(i) {
- if (this.firstChar <= i && i <= this.lastChar) {
- return String.fromCharCode(i);
- }
- return undefined;
- },
- charCodeOf(v) {
- return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar ? v : -1;
- },
- amend(map) {
- (0, _util.unreachable)("Should not call amend()");
- }
- };
- return IdentityToUnicodeMap;
- }();
- exports.IdentityToUnicodeMap = IdentityToUnicodeMap;
- var OpenTypeFileBuilder = function OpenTypeFileBuilderClosure() {
- function writeInt16(dest, offset, num) {
- dest[offset] = num >> 8 & 0xff;
- dest[offset + 1] = num & 0xff;
- }
- function writeInt32(dest, offset, num) {
- dest[offset] = num >> 24 & 0xff;
- dest[offset + 1] = num >> 16 & 0xff;
- dest[offset + 2] = num >> 8 & 0xff;
- dest[offset + 3] = num & 0xff;
- }
- function writeData(dest, offset, data) {
- var i, ii;
- if (data instanceof Uint8Array) {
- dest.set(data, offset);
- } else if (typeof data === "string") {
- for (i = 0, ii = data.length; i < ii; i++) {
- dest[offset++] = data.charCodeAt(i) & 0xff;
- }
- } else {
- for (i = 0, ii = data.length; i < ii; i++) {
- dest[offset++] = data[i] & 0xff;
- }
- }
- }
- function OpenTypeFileBuilder(sfnt) {
- this.sfnt = sfnt;
- this.tables = Object.create(null);
- }
- OpenTypeFileBuilder.getSearchParams = function OpenTypeFileBuilder_getSearchParams(entriesCount, entrySize) {
- var maxPower2 = 1,
- log2 = 0;
- while ((maxPower2 ^ entriesCount) > maxPower2) {
- maxPower2 <<= 1;
- log2++;
- }
- var searchRange = maxPower2 * entrySize;
- return {
- range: searchRange,
- entry: log2,
- rangeShift: entrySize * entriesCount - searchRange
- };
- };
- var OTF_HEADER_SIZE = 12;
- var OTF_TABLE_ENTRY_SIZE = 16;
- OpenTypeFileBuilder.prototype = {
- toArray: function OpenTypeFileBuilder_toArray() {
- var sfnt = this.sfnt;
- var tables = this.tables;
- var tablesNames = Object.keys(tables);
- tablesNames.sort();
- var numTables = tablesNames.length;
- var i, j, jj, table, tableName;
- var offset = OTF_HEADER_SIZE + numTables * OTF_TABLE_ENTRY_SIZE;
- var tableOffsets = [offset];
- for (i = 0; i < numTables; i++) {
- table = tables[tablesNames[i]];
- var paddedLength = (table.length + 3 & ~3) >>> 0;
- offset += paddedLength;
- tableOffsets.push(offset);
- }
- var file = new Uint8Array(offset);
- for (i = 0; i < numTables; i++) {
- table = tables[tablesNames[i]];
- writeData(file, tableOffsets[i], table);
- }
- if (sfnt === "true") {
- sfnt = (0, _util.string32)(0x00010000);
- }
- file[0] = sfnt.charCodeAt(0) & 0xff;
- file[1] = sfnt.charCodeAt(1) & 0xff;
- file[2] = sfnt.charCodeAt(2) & 0xff;
- file[3] = sfnt.charCodeAt(3) & 0xff;
- writeInt16(file, 4, numTables);
- var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);
- writeInt16(file, 6, searchParams.range);
- writeInt16(file, 8, searchParams.entry);
- writeInt16(file, 10, searchParams.rangeShift);
- offset = OTF_HEADER_SIZE;
- for (i = 0; i < numTables; i++) {
- tableName = tablesNames[i];
- file[offset] = tableName.charCodeAt(0) & 0xff;
- file[offset + 1] = tableName.charCodeAt(1) & 0xff;
- file[offset + 2] = tableName.charCodeAt(2) & 0xff;
- file[offset + 3] = tableName.charCodeAt(3) & 0xff;
- var checksum = 0;
- for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {
- var quad = (0, _core_utils.readUint32)(file, j);
- checksum = checksum + quad >>> 0;
- }
- writeInt32(file, offset + 4, checksum);
- writeInt32(file, offset + 8, tableOffsets[i]);
- writeInt32(file, offset + 12, tables[tableName].length);
- offset += OTF_TABLE_ENTRY_SIZE;
- }
- return file;
- },
- addTable: function OpenTypeFileBuilder_addTable(tag, data) {
- if (tag in this.tables) {
- throw new Error("Table " + tag + " already exists");
- }
- this.tables[tag] = data;
- }
- };
- return OpenTypeFileBuilder;
- }();
- var Font = function FontClosure() {
- function Font(name, file, properties) {
- var charCode;
- this.name = name;
- this.loadedName = properties.loadedName;
- this.isType3Font = properties.isType3Font;
- this.missingFile = false;
- this.glyphCache = Object.create(null);
- this.isSerifFont = !!(properties.flags & FontFlags.Serif);
- this.isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
- this.isMonospace = !!(properties.flags & FontFlags.FixedPitch);
- var type = properties.type;
- var subtype = properties.subtype;
- this.type = type;
- this.subtype = subtype;
- let fallbackName = "sans-serif";
- if (this.isMonospace) {
- fallbackName = "monospace";
- } else if (this.isSerifFont) {
- fallbackName = "serif";
- }
- this.fallbackName = fallbackName;
- this.differences = properties.differences;
- this.widths = properties.widths;
- this.defaultWidth = properties.defaultWidth;
- this.composite = properties.composite;
- this.cMap = properties.cMap;
- this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;
- this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;
- this.fontMatrix = properties.fontMatrix;
- this.bbox = properties.bbox;
- this.defaultEncoding = properties.defaultEncoding;
- this.toUnicode = properties.toUnicode;
- this.fallbackToUnicode = properties.fallbackToUnicode || new ToUnicodeMap();
- this.toFontChar = [];
- if (properties.type === "Type3") {
- for (charCode = 0; charCode < 256; charCode++) {
- this.toFontChar[charCode] = this.differences[charCode] || properties.defaultEncoding[charCode];
- }
- this.fontType = _util.FontType.TYPE3;
- return;
- }
- this.cidEncoding = properties.cidEncoding;
- this.vertical = !!properties.vertical;
- if (this.vertical) {
- this.vmetrics = properties.vmetrics;
- this.defaultVMetrics = properties.defaultVMetrics;
- }
- if (!file || file.isEmpty) {
- if (file) {
- (0, _util.warn)('Font file is empty in "' + name + '" (' + this.loadedName + ")");
- }
- this.fallbackToSystemFont();
- return;
- }
- [type, subtype] = getFontFileType(file, properties);
- if (type !== this.type || subtype !== this.subtype) {
- (0, _util.info)("Inconsistent font file Type/SubType, expected: " + `${this.type}/${this.subtype} but found: ${type}/${subtype}.`);
- }
- try {
- var data;
- switch (type) {
- case "MMType1":
- (0, _util.info)("MMType1 font (" + name + "), falling back to Type1.");
- case "Type1":
- case "CIDFontType0":
- this.mimetype = "font/opentype";
- var cff = subtype === "Type1C" || subtype === "CIDFontType0C" ? new CFFFont(file, properties) : new Type1Font(name, file, properties);
- adjustWidths(properties);
- data = this.convert(name, cff, properties);
- break;
- case "OpenType":
- case "TrueType":
- case "CIDFontType2":
- this.mimetype = "font/opentype";
- data = this.checkAndRepair(name, file, properties);
- if (this.isOpenType) {
- adjustWidths(properties);
- type = "OpenType";
- }
- break;
- default:
- throw new _util.FormatError(`Font ${type} is not supported`);
- }
- } catch (e) {
- (0, _util.warn)(e);
- this.fallbackToSystemFont();
- return;
- }
- this.data = data;
- this.fontType = getFontType(type, subtype);
- this.fontMatrix = properties.fontMatrix;
- this.widths = properties.widths;
- this.defaultWidth = properties.defaultWidth;
- this.toUnicode = properties.toUnicode;
- this.seacMap = properties.seacMap;
- }
- function int16(b0, b1) {
- return (b0 << 8) + b1;
- }
- function writeSignedInt16(bytes, index, value) {
- bytes[index + 1] = value;
- bytes[index] = value >>> 8;
- }
- function signedInt16(b0, b1) {
- var value = (b0 << 8) + b1;
- return value & 1 << 15 ? value - 0x10000 : value;
- }
- function int32(b0, b1, b2, b3) {
- return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
- }
- function string16(value) {
- return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
- }
- function safeString16(value) {
- if (value > 0x7fff) {
- value = 0x7fff;
- } else if (value < -0x8000) {
- value = -0x8000;
- }
- return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
- }
- function isTrueTypeFile(file) {
- var header = file.peekBytes(4);
- return (0, _core_utils.readUint32)(header, 0) === 0x00010000 || (0, _util.bytesToString)(header) === "true";
- }
- function isTrueTypeCollectionFile(file) {
- const header = file.peekBytes(4);
- return (0, _util.bytesToString)(header) === "ttcf";
- }
- function isOpenTypeFile(file) {
- var header = file.peekBytes(4);
- return (0, _util.bytesToString)(header) === "OTTO";
- }
- function isType1File(file) {
- var header = file.peekBytes(2);
- if (header[0] === 0x25 && header[1] === 0x21) {
- return true;
- }
- if (header[0] === 0x80 && header[1] === 0x01) {
- return true;
- }
- return false;
- }
- function isCFFFile(file) {
- const header = file.peekBytes(4);
- if (header[0] >= 1 && header[3] >= 1 && header[3] <= 4) {
- return true;
- }
- return false;
- }
- function getFontFileType(file, {
- type,
- subtype,
- composite
- }) {
- let fileType, fileSubtype;
- if (isTrueTypeFile(file) || isTrueTypeCollectionFile(file)) {
- if (composite) {
- fileType = "CIDFontType2";
- } else {
- fileType = "TrueType";
- }
- } else if (isOpenTypeFile(file)) {
- if (composite) {
- fileType = "CIDFontType2";
- } else {
- fileType = "OpenType";
- }
- } else if (isType1File(file)) {
- if (composite) {
- fileType = "CIDFontType0";
- } else {
- fileType = type === "MMType1" ? "MMType1" : "Type1";
- }
- } else if (isCFFFile(file)) {
- if (composite) {
- fileType = "CIDFontType0";
- fileSubtype = "CIDFontType0C";
- } else {
- fileType = type === "MMType1" ? "MMType1" : "Type1";
- fileSubtype = "Type1C";
- }
- } else {
- (0, _util.warn)("getFontFileType: Unable to detect correct font file Type/Subtype.");
- fileType = type;
- fileSubtype = subtype;
- }
- return [fileType, fileSubtype];
- }
- function buildToFontChar(encoding, glyphsUnicodeMap, differences) {
- var toFontChar = [],
- unicode;
- for (var i = 0, ii = encoding.length; i < ii; i++) {
- unicode = (0, _unicode.getUnicodeForGlyph)(encoding[i], glyphsUnicodeMap);
- if (unicode !== -1) {
- toFontChar[i] = unicode;
- }
- }
- for (var charCode in differences) {
- unicode = (0, _unicode.getUnicodeForGlyph)(differences[charCode], glyphsUnicodeMap);
- if (unicode !== -1) {
- toFontChar[+charCode] = unicode;
- }
- }
- return toFontChar;
- }
- function adjustMapping(charCodeToGlyphId, hasGlyph, newGlyphZeroId) {
- var newMap = Object.create(null);
- var toFontChar = [];
- var privateUseAreaIndex = 0;
- var nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
- var privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
- for (var originalCharCode in charCodeToGlyphId) {
- originalCharCode |= 0;
- var glyphId = charCodeToGlyphId[originalCharCode];
- if (!hasGlyph(glyphId)) {
- continue;
- }
- if (nextAvailableFontCharCode > privateUseOffetEnd) {
- privateUseAreaIndex++;
- if (privateUseAreaIndex >= PRIVATE_USE_AREAS.length) {
- (0, _util.warn)("Ran out of space in font private use area.");
- break;
- }
- nextAvailableFontCharCode = PRIVATE_USE_AREAS[privateUseAreaIndex][0];
- privateUseOffetEnd = PRIVATE_USE_AREAS[privateUseAreaIndex][1];
- }
- var fontCharCode = nextAvailableFontCharCode++;
- if (glyphId === 0) {
- glyphId = newGlyphZeroId;
- }
- newMap[fontCharCode] = glyphId;
- toFontChar[originalCharCode] = fontCharCode;
- }
- return {
- toFontChar,
- charCodeToGlyphId: newMap,
- nextAvailableFontCharCode
- };
- }
- function getRanges(glyphs, numGlyphs) {
- var codes = [];
- for (var charCode in glyphs) {
- if (glyphs[charCode] >= numGlyphs) {
- continue;
- }
- codes.push({
- fontCharCode: charCode | 0,
- glyphId: glyphs[charCode]
- });
- }
- if (codes.length === 0) {
- codes.push({
- fontCharCode: 0,
- glyphId: 0
- });
- }
- codes.sort(function fontGetRangesSort(a, b) {
- return a.fontCharCode - b.fontCharCode;
- });
- var ranges = [];
- var length = codes.length;
- for (var n = 0; n < length;) {
- var start = codes[n].fontCharCode;
- var codeIndices = [codes[n].glyphId];
- ++n;
- var end = start;
- while (n < length && end + 1 === codes[n].fontCharCode) {
- codeIndices.push(codes[n].glyphId);
- ++end;
- ++n;
- if (end === 0xffff) {
- break;
- }
- }
- ranges.push([start, end, codeIndices]);
- }
- return ranges;
- }
- function createCmapTable(glyphs, numGlyphs) {
- var ranges = getRanges(glyphs, numGlyphs);
- var numTables = ranges[ranges.length - 1][1] > 0xffff ? 2 : 1;
- var cmap = "\x00\x00" + string16(numTables) + "\x00\x03" + "\x00\x01" + (0, _util.string32)(4 + numTables * 8);
- var i, ii, j, jj;
- for (i = ranges.length - 1; i >= 0; --i) {
- if (ranges[i][0] <= 0xffff) {
- break;
- }
- }
- var bmpLength = i + 1;
- if (ranges[i][0] < 0xffff && ranges[i][1] === 0xffff) {
- ranges[i][1] = 0xfffe;
- }
- var trailingRangesCount = ranges[i][1] < 0xffff ? 1 : 0;
- var segCount = bmpLength + trailingRangesCount;
- var searchParams = OpenTypeFileBuilder.getSearchParams(segCount, 2);
- var startCount = "";
- var endCount = "";
- var idDeltas = "";
- var idRangeOffsets = "";
- var glyphsIds = "";
- var bias = 0;
- var range, start, end, codes;
- for (i = 0, ii = bmpLength; i < ii; i++) {
- range = ranges[i];
- start = range[0];
- end = range[1];
- startCount += string16(start);
- endCount += string16(end);
- codes = range[2];
- var contiguous = true;
- for (j = 1, jj = codes.length; j < jj; ++j) {
- if (codes[j] !== codes[j - 1] + 1) {
- contiguous = false;
- break;
- }
- }
- if (!contiguous) {
- var offset = (segCount - i) * 2 + bias * 2;
- bias += end - start + 1;
- idDeltas += string16(0);
- idRangeOffsets += string16(offset);
- for (j = 0, jj = codes.length; j < jj; ++j) {
- glyphsIds += string16(codes[j]);
- }
- } else {
- var startCode = codes[0];
- idDeltas += string16(startCode - start & 0xffff);
- idRangeOffsets += string16(0);
- }
- }
- if (trailingRangesCount > 0) {
- endCount += "\xFF\xFF";
- startCount += "\xFF\xFF";
- idDeltas += "\x00\x01";
- idRangeOffsets += "\x00\x00";
- }
- var format314 = "\x00\x00" + string16(2 * segCount) + string16(searchParams.range) + string16(searchParams.entry) + string16(searchParams.rangeShift) + endCount + "\x00\x00" + startCount + idDeltas + idRangeOffsets + glyphsIds;
- var format31012 = "";
- var header31012 = "";
- if (numTables > 1) {
- cmap += "\x00\x03" + "\x00\x0A" + (0, _util.string32)(4 + numTables * 8 + 4 + format314.length);
- format31012 = "";
- for (i = 0, ii = ranges.length; i < ii; i++) {
- range = ranges[i];
- start = range[0];
- codes = range[2];
- var code = codes[0];
- for (j = 1, jj = codes.length; j < jj; ++j) {
- if (codes[j] !== codes[j - 1] + 1) {
- end = range[0] + j - 1;
- format31012 += (0, _util.string32)(start) + (0, _util.string32)(end) + (0, _util.string32)(code);
- start = end + 1;
- code = codes[j];
- }
- }
- format31012 += (0, _util.string32)(start) + (0, _util.string32)(range[1]) + (0, _util.string32)(code);
- }
- header31012 = "\x00\x0C" + "\x00\x00" + (0, _util.string32)(format31012.length + 16) + "\x00\x00\x00\x00" + (0, _util.string32)(format31012.length / 12);
- }
- return cmap + "\x00\x04" + string16(format314.length + 4) + format314 + header31012 + format31012;
- }
- function validateOS2Table(os2, file) {
- file.pos = (file.start || 0) + os2.offset;
- var version = file.getUint16();
- file.skip(60);
- var selection = file.getUint16();
- if (version < 4 && selection & 0x0300) {
- return false;
- }
- var firstChar = file.getUint16();
- var lastChar = file.getUint16();
- if (firstChar > lastChar) {
- return false;
- }
- file.skip(6);
- var usWinAscent = file.getUint16();
- if (usWinAscent === 0) {
- return false;
- }
- os2.data[8] = os2.data[9] = 0;
- return true;
- }
- function createOS2Table(properties, charstrings, override) {
- override = override || {
- unitsPerEm: 0,
- yMax: 0,
- yMin: 0,
- ascent: 0,
- descent: 0
- };
- var ulUnicodeRange1 = 0;
- var ulUnicodeRange2 = 0;
- var ulUnicodeRange3 = 0;
- var ulUnicodeRange4 = 0;
- var firstCharIndex = null;
- var lastCharIndex = 0;
- if (charstrings) {
- for (var code in charstrings) {
- code |= 0;
- if (firstCharIndex > code || !firstCharIndex) {
- firstCharIndex = code;
- }
- if (lastCharIndex < code) {
- lastCharIndex = code;
- }
- var position = (0, _unicode.getUnicodeRangeFor)(code);
- if (position < 32) {
- ulUnicodeRange1 |= 1 << position;
- } else if (position < 64) {
- ulUnicodeRange2 |= 1 << position - 32;
- } else if (position < 96) {
- ulUnicodeRange3 |= 1 << position - 64;
- } else if (position < 123) {
- ulUnicodeRange4 |= 1 << position - 96;
- } else {
- throw new _util.FormatError("Unicode ranges Bits > 123 are reserved for internal usage");
- }
- }
- if (lastCharIndex > 0xffff) {
- lastCharIndex = 0xffff;
- }
- } else {
- firstCharIndex = 0;
- lastCharIndex = 255;
- }
- var bbox = properties.bbox || [0, 0, 0, 0];
- var unitsPerEm = override.unitsPerEm || 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
- var scale = properties.ascentScaled ? 1.0 : unitsPerEm / PDF_GLYPH_SPACE_UNITS;
- var typoAscent = override.ascent || Math.round(scale * (properties.ascent || bbox[3]));
- var typoDescent = override.descent || Math.round(scale * (properties.descent || bbox[1]));
- if (typoDescent > 0 && properties.descent > 0 && bbox[1] < 0) {
- typoDescent = -typoDescent;
- }
- var winAscent = override.yMax || typoAscent;
- var winDescent = -override.yMin || -typoDescent;
- return "\x00\x03" + "\x02\x24" + "\x01\xF4" + "\x00\x05" + "\x00\x00" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x00\x8C" + "\x02\x8A" + "\x02\xBB" + "\x00\x00" + "\x01\xDF" + "\x00\x31" + "\x01\x02" + "\x00\x00" + "\x00\x00\x06" + String.fromCharCode(properties.fixedPitch ? 0x09 : 0x00) + "\x00\x00\x00\x00\x00\x00" + (0, _util.string32)(ulUnicodeRange1) + (0, _util.string32)(ulUnicodeRange2) + (0, _util.string32)(ulUnicodeRange3) + (0, _util.string32)(ulUnicodeRange4) + "\x2A\x32\x31\x2A" + string16(properties.italicAngle ? 1 : 0) + string16(firstCharIndex || properties.firstChar) + string16(lastCharIndex || properties.lastChar) + string16(typoAscent) + string16(typoDescent) + "\x00\x64" + string16(winAscent) + string16(winDescent) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + string16(properties.xHeight) + string16(properties.capHeight) + string16(0) + string16(firstCharIndex || properties.firstChar) + "\x00\x03";
- }
- function createPostTable(properties) {
- var angle = Math.floor(properties.italicAngle * 2 ** 16);
- return "\x00\x03\x00\x00" + (0, _util.string32)(angle) + "\x00\x00" + "\x00\x00" + (0, _util.string32)(properties.fixedPitch) + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00" + "\x00\x00\x00\x00";
- }
- function createNameTable(name, proto) {
- if (!proto) {
- proto = [[], []];
- }
- var strings = [proto[0][0] || "Original licence", proto[0][1] || name, proto[0][2] || "Unknown", proto[0][3] || "uniqueID", proto[0][4] || name, proto[0][5] || "Version 0.11", proto[0][6] || "", proto[0][7] || "Unknown", proto[0][8] || "Unknown", proto[0][9] || "Unknown"];
- var stringsUnicode = [];
- var i, ii, j, jj, str;
- for (i = 0, ii = strings.length; i < ii; i++) {
- str = proto[1][i] || strings[i];
- var strBufUnicode = [];
- for (j = 0, jj = str.length; j < jj; j++) {
- strBufUnicode.push(string16(str.charCodeAt(j)));
- }
- stringsUnicode.push(strBufUnicode.join(""));
- }
- var names = [strings, stringsUnicode];
- var platforms = ["\x00\x01", "\x00\x03"];
- var encodings = ["\x00\x00", "\x00\x01"];
- var languages = ["\x00\x00", "\x04\x09"];
- var namesRecordCount = strings.length * platforms.length;
- var nameTable = "\x00\x00" + string16(namesRecordCount) + string16(namesRecordCount * 12 + 6);
- var strOffset = 0;
- for (i = 0, ii = platforms.length; i < ii; i++) {
- var strs = names[i];
- for (j = 0, jj = strs.length; j < jj; j++) {
- str = strs[j];
- var nameRecord = platforms[i] + encodings[i] + languages[i] + string16(j) + string16(str.length) + string16(strOffset);
- nameTable += nameRecord;
- strOffset += str.length;
- }
- }
- nameTable += strings.join("") + stringsUnicode.join("");
- return nameTable;
- }
- Font.prototype = {
- name: null,
- font: null,
- mimetype: null,
- disableFontFace: false,
- get renderer() {
- var renderer = _font_renderer.FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);
- return (0, _util.shadow)(this, "renderer", renderer);
- },
- exportData(extraProperties = false) {
- const exportDataProperties = extraProperties ? [...EXPORT_DATA_PROPERTIES, ...EXPORT_DATA_EXTRA_PROPERTIES] : EXPORT_DATA_PROPERTIES;
- const data = Object.create(null);
- let property, value;
- for (property of exportDataProperties) {
- value = this[property];
- if (value !== undefined) {
- data[property] = value;
- }
- }
- return data;
- },
- fallbackToSystemFont: function Font_fallbackToSystemFont() {
- this.missingFile = true;
- var name = this.name;
- var type = this.type;
- var subtype = this.subtype;
- let fontName = name.replace(/[,_]/g, "-").replace(/\s/g, "");
- var stdFontMap = (0, _standard_fonts.getStdFontMap)(),
- nonStdFontMap = (0, _standard_fonts.getNonStdFontMap)();
- var isStandardFont = !!stdFontMap[fontName] || !!(nonStdFontMap[fontName] && stdFontMap[nonStdFontMap[fontName]]);
- fontName = stdFontMap[fontName] || nonStdFontMap[fontName] || fontName;
- this.bold = fontName.search(/bold/gi) !== -1;
- this.italic = fontName.search(/oblique/gi) !== -1 || fontName.search(/italic/gi) !== -1;
- this.black = name.search(/Black/g) !== -1;
- this.remeasure = Object.keys(this.widths).length > 0;
- if (isStandardFont && type === "CIDFontType2" && this.cidEncoding.startsWith("Identity-")) {
- const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
- const map = [];
- for (const charCode in GlyphMapForStandardFonts) {
- map[+charCode] = GlyphMapForStandardFonts[charCode];
- }
- if (/Arial-?Black/i.test(name)) {
- var SupplementalGlyphMapForArialBlack = (0, _standard_fonts.getSupplementalGlyphMapForArialBlack)();
- for (const charCode in SupplementalGlyphMapForArialBlack) {
- map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];
- }
- } else if (/Calibri/i.test(name)) {
- const SupplementalGlyphMapForCalibri = (0, _standard_fonts.getSupplementalGlyphMapForCalibri)();
- for (const charCode in SupplementalGlyphMapForCalibri) {
- map[+charCode] = SupplementalGlyphMapForCalibri[charCode];
- }
- }
- var isIdentityUnicode = this.toUnicode instanceof IdentityToUnicodeMap;
- if (!isIdentityUnicode) {
- this.toUnicode.forEach(function (charCode, unicodeCharCode) {
- map[+charCode] = unicodeCharCode;
- });
- }
- this.toFontChar = map;
- this.toUnicode = new ToUnicodeMap(map);
- } else if (/Symbol/i.test(fontName)) {
- this.toFontChar = buildToFontChar(_encodings.SymbolSetEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
- } else if (/Dingbats/i.test(fontName)) {
- if (/Wingdings/i.test(name)) {
- (0, _util.warn)("Non-embedded Wingdings font, falling back to ZapfDingbats.");
- }
- this.toFontChar = buildToFontChar(_encodings.ZapfDingbatsEncoding, (0, _glyphlist.getDingbatsGlyphsUnicode)(), this.differences);
- } else if (isStandardFont) {
- this.toFontChar = buildToFontChar(this.defaultEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
- } else {
- const glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
- const map = [];
- this.toUnicode.forEach((charCode, unicodeCharCode) => {
- if (!this.composite) {
- var glyphName = this.differences[charCode] || this.defaultEncoding[charCode];
- const unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
- if (unicode !== -1) {
- unicodeCharCode = unicode;
- }
- }
- map[+charCode] = unicodeCharCode;
- });
- if (this.composite && this.toUnicode instanceof IdentityToUnicodeMap) {
- if (/Verdana/i.test(name)) {
- const GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
- for (const charCode in GlyphMapForStandardFonts) {
- map[+charCode] = GlyphMapForStandardFonts[charCode];
- }
- }
- }
- this.toFontChar = map;
- }
- this.loadedName = fontName.split("-")[0];
- this.fontType = getFontType(type, subtype);
- },
- checkAndRepair: function Font_checkAndRepair(name, font, properties) {
- const VALID_TABLES = ["OS/2", "cmap", "head", "hhea", "hmtx", "maxp", "name", "post", "loca", "glyf", "fpgm", "prep", "cvt ", "CFF "];
- function readTables(file, numTables) {
- const tables = Object.create(null);
- tables["OS/2"] = null;
- tables.cmap = null;
- tables.head = null;
- tables.hhea = null;
- tables.hmtx = null;
- tables.maxp = null;
- tables.name = null;
- tables.post = null;
- for (let i = 0; i < numTables; i++) {
- const table = readTableEntry(file);
- if (!VALID_TABLES.includes(table.tag)) {
- continue;
- }
- if (table.length === 0) {
- continue;
- }
- tables[table.tag] = table;
- }
- return tables;
- }
- function readTableEntry(file) {
- var tag = (0, _util.bytesToString)(file.getBytes(4));
- var checksum = file.getInt32() >>> 0;
- var offset = file.getInt32() >>> 0;
- var length = file.getInt32() >>> 0;
- var previousPosition = file.pos;
- file.pos = file.start ? file.start : 0;
- file.skip(offset);
- var data = file.getBytes(length);
- file.pos = previousPosition;
- if (tag === "head") {
- data[8] = data[9] = data[10] = data[11] = 0;
- data[17] |= 0x20;
- }
- return {
- tag,
- checksum,
- length,
- offset,
- data
- };
- }
- function readOpenTypeHeader(ttf) {
- return {
- version: (0, _util.bytesToString)(ttf.getBytes(4)),
- numTables: ttf.getUint16(),
- searchRange: ttf.getUint16(),
- entrySelector: ttf.getUint16(),
- rangeShift: ttf.getUint16()
- };
- }
- function readTrueTypeCollectionHeader(ttc) {
- const ttcTag = (0, _util.bytesToString)(ttc.getBytes(4));
- (0, _util.assert)(ttcTag === "ttcf", "Must be a TrueType Collection font.");
- const majorVersion = ttc.getUint16();
- const minorVersion = ttc.getUint16();
- const numFonts = ttc.getInt32() >>> 0;
- const offsetTable = [];
- for (let i = 0; i < numFonts; i++) {
- offsetTable.push(ttc.getInt32() >>> 0);
- }
- const header = {
- ttcTag,
- majorVersion,
- minorVersion,
- numFonts,
- offsetTable
- };
- switch (majorVersion) {
- case 1:
- return header;
- case 2:
- header.dsigTag = ttc.getInt32() >>> 0;
- header.dsigLength = ttc.getInt32() >>> 0;
- header.dsigOffset = ttc.getInt32() >>> 0;
- return header;
- }
- throw new _util.FormatError(`Invalid TrueType Collection majorVersion: ${majorVersion}.`);
- }
- function readTrueTypeCollectionData(ttc, fontName) {
- const {
- numFonts,
- offsetTable
- } = readTrueTypeCollectionHeader(ttc);
- for (let i = 0; i < numFonts; i++) {
- ttc.pos = (ttc.start || 0) + offsetTable[i];
- const potentialHeader = readOpenTypeHeader(ttc);
- const potentialTables = readTables(ttc, potentialHeader.numTables);
- if (!potentialTables.name) {
- throw new _util.FormatError('TrueType Collection font must contain a "name" table.');
- }
- const nameTable = readNameTable(potentialTables.name);
- for (let j = 0, jj = nameTable.length; j < jj; j++) {
- for (let k = 0, kk = nameTable[j].length; k < kk; k++) {
- const nameEntry = nameTable[j][k];
- if (nameEntry && nameEntry.replace(/\s/g, "") === fontName) {
- return {
- header: potentialHeader,
- tables: potentialTables
- };
- }
- }
- }
- }
- throw new _util.FormatError(`TrueType Collection does not contain "${fontName}" font.`);
- }
- function readCmapTable(cmap, file, isSymbolicFont, hasEncoding) {
- if (!cmap) {
- (0, _util.warn)("No cmap table available.");
- return {
- platformId: -1,
- encodingId: -1,
- mappings: [],
- hasShortCmap: false
- };
- }
- var segment;
- var start = (file.start ? file.start : 0) + cmap.offset;
- file.pos = start;
- file.skip(2);
- var numTables = file.getUint16();
- var potentialTable;
- var canBreak = false;
- for (var i = 0; i < numTables; i++) {
- var platformId = file.getUint16();
- var encodingId = file.getUint16();
- var offset = file.getInt32() >>> 0;
- var useTable = false;
- if (potentialTable && potentialTable.platformId === platformId && potentialTable.encodingId === encodingId) {
- continue;
- }
- if (platformId === 0 && (encodingId === 0 || encodingId === 1 || encodingId === 3)) {
- useTable = true;
- } else if (platformId === 1 && encodingId === 0) {
- useTable = true;
- } else if (platformId === 3 && encodingId === 1 && (hasEncoding || !potentialTable)) {
- useTable = true;
- if (!isSymbolicFont) {
- canBreak = true;
- }
- } else if (isSymbolicFont && platformId === 3 && encodingId === 0) {
- useTable = true;
- canBreak = true;
- }
- if (useTable) {
- potentialTable = {
- platformId,
- encodingId,
- offset
- };
- }
- if (canBreak) {
- break;
- }
- }
- if (potentialTable) {
- file.pos = start + potentialTable.offset;
- }
- if (!potentialTable || file.peekByte() === -1) {
- (0, _util.warn)("Could not find a preferred cmap table.");
- return {
- platformId: -1,
- encodingId: -1,
- mappings: [],
- hasShortCmap: false
- };
- }
- var format = file.getUint16();
- file.skip(2 + 2);
- var hasShortCmap = false;
- var mappings = [];
- var j, glyphId;
- if (format === 0) {
- for (j = 0; j < 256; j++) {
- var index = file.getByte();
- if (!index) {
- continue;
- }
- mappings.push({
- charCode: j,
- glyphId: index
- });
- }
- hasShortCmap = true;
- } else if (format === 4) {
- var segCount = file.getUint16() >> 1;
- file.skip(6);
- var segIndex,
- segments = [];
- for (segIndex = 0; segIndex < segCount; segIndex++) {
- segments.push({
- end: file.getUint16()
- });
- }
- file.skip(2);
- for (segIndex = 0; segIndex < segCount; segIndex++) {
- segments[segIndex].start = file.getUint16();
- }
- for (segIndex = 0; segIndex < segCount; segIndex++) {
- segments[segIndex].delta = file.getUint16();
- }
- var offsetsCount = 0;
- for (segIndex = 0; segIndex < segCount; segIndex++) {
- segment = segments[segIndex];
- var rangeOffset = file.getUint16();
- if (!rangeOffset) {
- segment.offsetIndex = -1;
- continue;
- }
- var offsetIndex = (rangeOffset >> 1) - (segCount - segIndex);
- segment.offsetIndex = offsetIndex;
- offsetsCount = Math.max(offsetsCount, offsetIndex + segment.end - segment.start + 1);
- }
- var offsets = [];
- for (j = 0; j < offsetsCount; j++) {
- offsets.push(file.getUint16());
- }
- for (segIndex = 0; segIndex < segCount; segIndex++) {
- segment = segments[segIndex];
- start = segment.start;
- var end = segment.end;
- var delta = segment.delta;
- offsetIndex = segment.offsetIndex;
- for (j = start; j <= end; j++) {
- if (j === 0xffff) {
- continue;
- }
- glyphId = offsetIndex < 0 ? j : offsets[offsetIndex + j - start];
- glyphId = glyphId + delta & 0xffff;
- mappings.push({
- charCode: j,
- glyphId
- });
- }
- }
- } else if (format === 6) {
- var firstCode = file.getUint16();
- var entryCount = file.getUint16();
- for (j = 0; j < entryCount; j++) {
- glyphId = file.getUint16();
- var charCode = firstCode + j;
- mappings.push({
- charCode,
- glyphId
- });
- }
- } else {
- (0, _util.warn)("cmap table has unsupported format: " + format);
- return {
- platformId: -1,
- encodingId: -1,
- mappings: [],
- hasShortCmap: false
- };
- }
- mappings.sort(function (a, b) {
- return a.charCode - b.charCode;
- });
- for (i = 1; i < mappings.length; i++) {
- if (mappings[i - 1].charCode === mappings[i].charCode) {
- mappings.splice(i, 1);
- i--;
- }
- }
- return {
- platformId: potentialTable.platformId,
- encodingId: potentialTable.encodingId,
- mappings,
- hasShortCmap
- };
- }
- function sanitizeMetrics(file, header, metrics, numGlyphs, dupFirstEntry) {
- if (!header) {
- if (metrics) {
- metrics.data = null;
- }
- return;
- }
- file.pos = (file.start ? file.start : 0) + header.offset;
- file.pos += 4;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 2;
- file.pos += 8;
- file.pos += 2;
- var numOfMetrics = file.getUint16();
- if (numOfMetrics > numGlyphs) {
- (0, _util.info)("The numOfMetrics (" + numOfMetrics + ") should not be " + "greater than the numGlyphs (" + numGlyphs + ")");
- numOfMetrics = numGlyphs;
- header.data[34] = (numOfMetrics & 0xff00) >> 8;
- header.data[35] = numOfMetrics & 0x00ff;
- }
- var numOfSidebearings = numGlyphs - numOfMetrics;
- var numMissing = numOfSidebearings - (metrics.length - numOfMetrics * 4 >> 1);
- if (numMissing > 0) {
- var entries = new Uint8Array(metrics.length + numMissing * 2);
- entries.set(metrics.data);
- if (dupFirstEntry) {
- entries[metrics.length] = metrics.data[2];
- entries[metrics.length + 1] = metrics.data[3];
- }
- metrics.data = entries;
- }
- }
- function sanitizeGlyph(source, sourceStart, sourceEnd, dest, destStart, hintsValid) {
- var glyphProfile = {
- length: 0,
- sizeOfInstructions: 0
- };
- if (sourceEnd - sourceStart <= 12) {
- return glyphProfile;
- }
- var glyf = source.subarray(sourceStart, sourceEnd);
- var contoursCount = signedInt16(glyf[0], glyf[1]);
- if (contoursCount < 0) {
- contoursCount = -1;
- writeSignedInt16(glyf, 0, contoursCount);
- dest.set(glyf, destStart);
- glyphProfile.length = glyf.length;
- return glyphProfile;
- }
- var i,
- j = 10,
- flagsCount = 0;
- for (i = 0; i < contoursCount; i++) {
- var endPoint = glyf[j] << 8 | glyf[j + 1];
- flagsCount = endPoint + 1;
- j += 2;
- }
- var instructionsStart = j;
- var instructionsLength = glyf[j] << 8 | glyf[j + 1];
- glyphProfile.sizeOfInstructions = instructionsLength;
- j += 2 + instructionsLength;
- var instructionsEnd = j;
- var coordinatesLength = 0;
- for (i = 0; i < flagsCount; i++) {
- var flag = glyf[j++];
- if (flag & 0xc0) {
- glyf[j - 1] = flag & 0x3f;
- }
- let xLength = 2;
- if (flag & 2) {
- xLength = 1;
- } else if (flag & 16) {
- xLength = 0;
- }
- let yLength = 2;
- if (flag & 4) {
- yLength = 1;
- } else if (flag & 32) {
- yLength = 0;
- }
- const xyLength = xLength + yLength;
- coordinatesLength += xyLength;
- if (flag & 8) {
- var repeat = glyf[j++];
- i += repeat;
- coordinatesLength += repeat * xyLength;
- }
- }
- if (coordinatesLength === 0) {
- return glyphProfile;
- }
- var glyphDataLength = j + coordinatesLength;
- if (glyphDataLength > glyf.length) {
- return glyphProfile;
- }
- if (!hintsValid && instructionsLength > 0) {
- dest.set(glyf.subarray(0, instructionsStart), destStart);
- dest.set([0, 0], destStart + instructionsStart);
- dest.set(glyf.subarray(instructionsEnd, glyphDataLength), destStart + instructionsStart + 2);
- glyphDataLength -= instructionsLength;
- if (glyf.length - glyphDataLength > 3) {
- glyphDataLength = glyphDataLength + 3 & ~3;
- }
- glyphProfile.length = glyphDataLength;
- return glyphProfile;
- }
- if (glyf.length - glyphDataLength > 3) {
- glyphDataLength = glyphDataLength + 3 & ~3;
- dest.set(glyf.subarray(0, glyphDataLength), destStart);
- glyphProfile.length = glyphDataLength;
- return glyphProfile;
- }
- dest.set(glyf, destStart);
- glyphProfile.length = glyf.length;
- return glyphProfile;
- }
- function sanitizeHead(head, numGlyphs, locaLength) {
- var data = head.data;
- var version = int32(data[0], data[1], data[2], data[3]);
- if (version >> 16 !== 1) {
- (0, _util.info)("Attempting to fix invalid version in head table: " + version);
- data[0] = 0;
- data[1] = 1;
- data[2] = 0;
- data[3] = 0;
- }
- var indexToLocFormat = int16(data[50], data[51]);
- if (indexToLocFormat < 0 || indexToLocFormat > 1) {
- (0, _util.info)("Attempting to fix invalid indexToLocFormat in head table: " + indexToLocFormat);
- var numGlyphsPlusOne = numGlyphs + 1;
- if (locaLength === numGlyphsPlusOne << 1) {
- data[50] = 0;
- data[51] = 0;
- } else if (locaLength === numGlyphsPlusOne << 2) {
- data[50] = 0;
- data[51] = 1;
- } else {
- throw new _util.FormatError("Could not fix indexToLocFormat: " + indexToLocFormat);
- }
- }
- }
- function sanitizeGlyphLocations(loca, glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions) {
- var itemSize, itemDecode, itemEncode;
- if (isGlyphLocationsLong) {
- itemSize = 4;
- itemDecode = function fontItemDecodeLong(data, offset) {
- return data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3];
- };
- itemEncode = function fontItemEncodeLong(data, offset, value) {
- data[offset] = value >>> 24 & 0xff;
- data[offset + 1] = value >> 16 & 0xff;
- data[offset + 2] = value >> 8 & 0xff;
- data[offset + 3] = value & 0xff;
- };
- } else {
- itemSize = 2;
- itemDecode = function fontItemDecode(data, offset) {
- return data[offset] << 9 | data[offset + 1] << 1;
- };
- itemEncode = function fontItemEncode(data, offset, value) {
- data[offset] = value >> 9 & 0xff;
- data[offset + 1] = value >> 1 & 0xff;
- };
- }
- var numGlyphsOut = dupFirstEntry ? numGlyphs + 1 : numGlyphs;
- var locaDataSize = itemSize * (1 + numGlyphsOut);
- var locaData = new Uint8Array(locaDataSize);
- locaData.set(loca.data.subarray(0, locaDataSize));
- loca.data = locaData;
- var oldGlyfData = glyf.data;
- var oldGlyfDataLength = oldGlyfData.length;
- var newGlyfData = new Uint8Array(oldGlyfDataLength);
- var i, j;
- const locaEntries = [];
- for (i = 0, j = 0; i < numGlyphs + 1; i++, j += itemSize) {
- let offset = itemDecode(locaData, j);
- if (offset > oldGlyfDataLength) {
- offset = oldGlyfDataLength;
- }
- locaEntries.push({
- index: i,
- offset,
- endOffset: 0
- });
- }
- locaEntries.sort((a, b) => {
- return a.offset - b.offset;
- });
- for (i = 0; i < numGlyphs; i++) {
- locaEntries[i].endOffset = locaEntries[i + 1].offset;
- }
- locaEntries.sort((a, b) => {
- return a.index - b.index;
- });
- var missingGlyphs = Object.create(null);
- var writeOffset = 0;
- itemEncode(locaData, 0, writeOffset);
- for (i = 0, j = itemSize; i < numGlyphs; i++, j += itemSize) {
- var glyphProfile = sanitizeGlyph(oldGlyfData, locaEntries[i].offset, locaEntries[i].endOffset, newGlyfData, writeOffset, hintsValid);
- var newLength = glyphProfile.length;
- if (newLength === 0) {
- missingGlyphs[i] = true;
- }
- if (glyphProfile.sizeOfInstructions > maxSizeOfInstructions) {
- maxSizeOfInstructions = glyphProfile.sizeOfInstructions;
- }
- writeOffset += newLength;
- itemEncode(locaData, j, writeOffset);
- }
- if (writeOffset === 0) {
- var simpleGlyph = new Uint8Array([0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 0]);
- for (i = 0, j = itemSize; i < numGlyphsOut; i++, j += itemSize) {
- itemEncode(locaData, j, simpleGlyph.length);
- }
- glyf.data = simpleGlyph;
- } else if (dupFirstEntry) {
- var firstEntryLength = itemDecode(locaData, itemSize);
- if (newGlyfData.length > firstEntryLength + writeOffset) {
- glyf.data = newGlyfData.subarray(0, firstEntryLength + writeOffset);
- } else {
- glyf.data = new Uint8Array(firstEntryLength + writeOffset);
- glyf.data.set(newGlyfData.subarray(0, writeOffset));
- }
- glyf.data.set(newGlyfData.subarray(0, firstEntryLength), writeOffset);
- itemEncode(loca.data, locaData.length - itemSize, writeOffset + firstEntryLength);
- } else {
- glyf.data = newGlyfData.subarray(0, writeOffset);
- }
- return {
- missingGlyphs,
- maxSizeOfInstructions
- };
- }
- function readPostScriptTable(post, propertiesObj, maxpNumGlyphs) {
- var start = (font.start ? font.start : 0) + post.offset;
- font.pos = start;
- var length = post.length,
- end = start + length;
- var version = font.getInt32();
- font.skip(28);
- var glyphNames;
- var valid = true;
- var i;
- switch (version) {
- case 0x00010000:
- glyphNames = MacStandardGlyphOrdering;
- break;
- case 0x00020000:
- var numGlyphs = font.getUint16();
- if (numGlyphs !== maxpNumGlyphs) {
- valid = false;
- break;
- }
- var glyphNameIndexes = [];
- for (i = 0; i < numGlyphs; ++i) {
- var index = font.getUint16();
- if (index >= 32768) {
- valid = false;
- break;
- }
- glyphNameIndexes.push(index);
- }
- if (!valid) {
- break;
- }
- var customNames = [];
- var strBuf = [];
- while (font.pos < end) {
- var stringLength = font.getByte();
- strBuf.length = stringLength;
- for (i = 0; i < stringLength; ++i) {
- strBuf[i] = String.fromCharCode(font.getByte());
- }
- customNames.push(strBuf.join(""));
- }
- glyphNames = [];
- for (i = 0; i < numGlyphs; ++i) {
- var j = glyphNameIndexes[i];
- if (j < 258) {
- glyphNames.push(MacStandardGlyphOrdering[j]);
- continue;
- }
- glyphNames.push(customNames[j - 258]);
- }
- break;
- case 0x00030000:
- break;
- default:
- (0, _util.warn)("Unknown/unsupported post table version " + version);
- valid = false;
- if (propertiesObj.defaultEncoding) {
- glyphNames = propertiesObj.defaultEncoding;
- }
- break;
- }
- propertiesObj.glyphNames = glyphNames;
- return valid;
- }
- function readNameTable(nameTable) {
- var start = (font.start ? font.start : 0) + nameTable.offset;
- font.pos = start;
- var names = [[], []];
- var length = nameTable.length,
- end = start + length;
- var format = font.getUint16();
- var FORMAT_0_HEADER_LENGTH = 6;
- if (format !== 0 || length < FORMAT_0_HEADER_LENGTH) {
- return names;
- }
- var numRecords = font.getUint16();
- var stringsStart = font.getUint16();
- var records = [];
- var NAME_RECORD_LENGTH = 12;
- var i, ii;
- for (i = 0; i < numRecords && font.pos + NAME_RECORD_LENGTH <= end; i++) {
- var r = {
- platform: font.getUint16(),
- encoding: font.getUint16(),
- language: font.getUint16(),
- name: font.getUint16(),
- length: font.getUint16(),
- offset: font.getUint16()
- };
- if (r.platform === 1 && r.encoding === 0 && r.language === 0 || r.platform === 3 && r.encoding === 1 && r.language === 0x409) {
- records.push(r);
- }
- }
- for (i = 0, ii = records.length; i < ii; i++) {
- var record = records[i];
- if (record.length <= 0) {
- continue;
- }
- var pos = start + stringsStart + record.offset;
- if (pos + record.length > end) {
- continue;
- }
- font.pos = pos;
- var nameIndex = record.name;
- if (record.encoding) {
- var str = "";
- for (var j = 0, jj = record.length; j < jj; j += 2) {
- str += String.fromCharCode(font.getUint16());
- }
- names[1][nameIndex] = str;
- } else {
- names[0][nameIndex] = (0, _util.bytesToString)(font.getBytes(record.length));
- }
- }
- return names;
- }
- var TTOpsStackDeltas = [0, 0, 0, 0, 0, 0, 0, 0, -2, -2, -2, -2, 0, 0, -2, -5, -1, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, -1, -1, 1, -1, -999, 0, 1, 0, -1, -2, 0, -1, -2, -1, -1, 0, -1, -1, 0, 0, -999, -999, -1, -1, -1, -1, -2, -999, -2, -2, -999, 0, -2, -2, 0, 0, -2, 0, -2, 0, 0, 0, -2, -1, -1, 1, 1, 0, 0, -1, -1, -1, -1, -1, -1, -1, 0, 0, -1, 0, -1, -1, 0, -999, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -2, -999, -999, -999, -999, -999, -1, -1, -2, -2, 0, 0, 0, 0, -1, -1, -999, -2, -2, 0, 0, -1, -2, -2, 0, 0, 0, -1, -1, -1, -2];
- function sanitizeTTProgram(table, ttContext) {
- var data = table.data;
- var i = 0,
- j,
- n,
- b,
- funcId,
- pc,
- lastEndf = 0,
- lastDeff = 0;
- var stack = [];
- var callstack = [];
- var functionsCalled = [];
- var tooComplexToFollowFunctions = ttContext.tooComplexToFollowFunctions;
- var inFDEF = false,
- ifLevel = 0,
- inELSE = 0;
- for (var ii = data.length; i < ii;) {
- var op = data[i++];
- if (op === 0x40) {
- n = data[i++];
- if (inFDEF || inELSE) {
- i += n;
- } else {
- for (j = 0; j < n; j++) {
- stack.push(data[i++]);
- }
- }
- } else if (op === 0x41) {
- n = data[i++];
- if (inFDEF || inELSE) {
- i += n * 2;
- } else {
- for (j = 0; j < n; j++) {
- b = data[i++];
- stack.push(b << 8 | data[i++]);
- }
- }
- } else if ((op & 0xf8) === 0xb0) {
- n = op - 0xb0 + 1;
- if (inFDEF || inELSE) {
- i += n;
- } else {
- for (j = 0; j < n; j++) {
- stack.push(data[i++]);
- }
- }
- } else if ((op & 0xf8) === 0xb8) {
- n = op - 0xb8 + 1;
- if (inFDEF || inELSE) {
- i += n * 2;
- } else {
- for (j = 0; j < n; j++) {
- b = data[i++];
- stack.push(b << 8 | data[i++]);
- }
- }
- } else if (op === 0x2b && !tooComplexToFollowFunctions) {
- if (!inFDEF && !inELSE) {
- funcId = stack[stack.length - 1];
- if (isNaN(funcId)) {
- (0, _util.info)("TT: CALL empty stack (or invalid entry).");
- } else {
- ttContext.functionsUsed[funcId] = true;
- if (funcId in ttContext.functionsStackDeltas) {
- const newStackLength = stack.length + ttContext.functionsStackDeltas[funcId];
- if (newStackLength < 0) {
- (0, _util.warn)("TT: CALL invalid functions stack delta.");
- ttContext.hintsValid = false;
- return;
- }
- stack.length = newStackLength;
- } else if (funcId in ttContext.functionsDefined && !functionsCalled.includes(funcId)) {
- callstack.push({
- data,
- i,
- stackTop: stack.length - 1
- });
- functionsCalled.push(funcId);
- pc = ttContext.functionsDefined[funcId];
- if (!pc) {
- (0, _util.warn)("TT: CALL non-existent function");
- ttContext.hintsValid = false;
- return;
- }
- data = pc.data;
- i = pc.i;
- }
- }
- }
- } else if (op === 0x2c && !tooComplexToFollowFunctions) {
- if (inFDEF || inELSE) {
- (0, _util.warn)("TT: nested FDEFs not allowed");
- tooComplexToFollowFunctions = true;
- }
- inFDEF = true;
- lastDeff = i;
- funcId = stack.pop();
- ttContext.functionsDefined[funcId] = {
- data,
- i
- };
- } else if (op === 0x2d) {
- if (inFDEF) {
- inFDEF = false;
- lastEndf = i;
- } else {
- pc = callstack.pop();
- if (!pc) {
- (0, _util.warn)("TT: ENDF bad stack");
- ttContext.hintsValid = false;
- return;
- }
- funcId = functionsCalled.pop();
- data = pc.data;
- i = pc.i;
- ttContext.functionsStackDeltas[funcId] = stack.length - pc.stackTop;
- }
- } else if (op === 0x89) {
- if (inFDEF || inELSE) {
- (0, _util.warn)("TT: nested IDEFs not allowed");
- tooComplexToFollowFunctions = true;
- }
- inFDEF = true;
- lastDeff = i;
- } else if (op === 0x58) {
- ++ifLevel;
- } else if (op === 0x1b) {
- inELSE = ifLevel;
- } else if (op === 0x59) {
- if (inELSE === ifLevel) {
- inELSE = 0;
- }
- --ifLevel;
- } else if (op === 0x1c) {
- if (!inFDEF && !inELSE) {
- var offset = stack[stack.length - 1];
- if (offset > 0) {
- i += offset - 1;
- }
- }
- }
- if (!inFDEF && !inELSE) {
- let stackDelta = 0;
- if (op <= 0x8e) {
- stackDelta = TTOpsStackDeltas[op];
- } else if (op >= 0xc0 && op <= 0xdf) {
- stackDelta = -1;
- } else if (op >= 0xe0) {
- stackDelta = -2;
- }
- if (op >= 0x71 && op <= 0x75) {
- n = stack.pop();
- if (!isNaN(n)) {
- stackDelta = -n * 2;
- }
- }
- while (stackDelta < 0 && stack.length > 0) {
- stack.pop();
- stackDelta++;
- }
- while (stackDelta > 0) {
- stack.push(NaN);
- stackDelta--;
- }
- }
- }
- ttContext.tooComplexToFollowFunctions = tooComplexToFollowFunctions;
- var content = [data];
- if (i > data.length) {
- content.push(new Uint8Array(i - data.length));
- }
- if (lastDeff > lastEndf) {
- (0, _util.warn)("TT: complementing a missing function tail");
- content.push(new Uint8Array([0x22, 0x2d]));
- }
- foldTTTable(table, content);
- }
- function checkInvalidFunctions(ttContext, maxFunctionDefs) {
- if (ttContext.tooComplexToFollowFunctions) {
- return;
- }
- if (ttContext.functionsDefined.length > maxFunctionDefs) {
- (0, _util.warn)("TT: more functions defined than expected");
- ttContext.hintsValid = false;
- return;
- }
- for (var j = 0, jj = ttContext.functionsUsed.length; j < jj; j++) {
- if (j > maxFunctionDefs) {
- (0, _util.warn)("TT: invalid function id: " + j);
- ttContext.hintsValid = false;
- return;
- }
- if (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {
- (0, _util.warn)("TT: undefined function: " + j);
- ttContext.hintsValid = false;
- return;
- }
- }
- }
- function foldTTTable(table, content) {
- if (content.length > 1) {
- var newLength = 0;
- var j, jj;
- for (j = 0, jj = content.length; j < jj; j++) {
- newLength += content[j].length;
- }
- newLength = newLength + 3 & ~3;
- var result = new Uint8Array(newLength);
- var pos = 0;
- for (j = 0, jj = content.length; j < jj; j++) {
- result.set(content[j], pos);
- pos += content[j].length;
- }
- table.data = result;
- table.length = newLength;
- }
- }
- function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {
- var ttContext = {
- functionsDefined: [],
- functionsUsed: [],
- functionsStackDeltas: [],
- tooComplexToFollowFunctions: false,
- hintsValid: true
- };
- if (fpgm) {
- sanitizeTTProgram(fpgm, ttContext);
- }
- if (prep) {
- sanitizeTTProgram(prep, ttContext);
- }
- if (fpgm) {
- checkInvalidFunctions(ttContext, maxFunctionDefs);
- }
- if (cvt && cvt.length & 1) {
- var cvtData = new Uint8Array(cvt.length + 1);
- cvtData.set(cvt.data);
- cvt.data = cvtData;
- }
- return ttContext.hintsValid;
- }
- font = new _stream.Stream(new Uint8Array(font.getBytes()));
- let header, tables;
- if (isTrueTypeCollectionFile(font)) {
- const ttcData = readTrueTypeCollectionData(font, this.name);
- header = ttcData.header;
- tables = ttcData.tables;
- } else {
- header = readOpenTypeHeader(font);
- tables = readTables(font, header.numTables);
- }
- let cff, cffFile;
- var isTrueType = !tables["CFF "];
- if (!isTrueType) {
- const isComposite = properties.composite && ((properties.cidToGidMap || []).length > 0 || !(properties.cMap instanceof _cmap.IdentityCMap));
- if (header.version === "OTTO" && !isComposite || !tables.head || !tables.hhea || !tables.maxp || !tables.post) {
- cffFile = new _stream.Stream(tables["CFF "].data);
- cff = new CFFFont(cffFile, properties);
- adjustWidths(properties);
- return this.convert(name, cff, properties);
- }
- delete tables.glyf;
- delete tables.loca;
- delete tables.fpgm;
- delete tables.prep;
- delete tables["cvt "];
- this.isOpenType = true;
- } else {
- if (!tables.loca) {
- throw new _util.FormatError('Required "loca" table is not found');
- }
- if (!tables.glyf) {
- (0, _util.warn)('Required "glyf" table is not found -- trying to recover.');
- tables.glyf = {
- tag: "glyf",
- data: new Uint8Array(0)
- };
- }
- this.isOpenType = false;
- }
- if (!tables.maxp) {
- throw new _util.FormatError('Required "maxp" table is not found');
- }
- font.pos = (font.start || 0) + tables.maxp.offset;
- var version = font.getInt32();
- const numGlyphs = font.getUint16();
- let numGlyphsOut = numGlyphs + 1;
- let dupFirstEntry = true;
- if (numGlyphsOut > 0xffff) {
- dupFirstEntry = false;
- numGlyphsOut = numGlyphs;
- (0, _util.warn)("Not enough space in glyfs to duplicate first glyph.");
- }
- var maxFunctionDefs = 0;
- var maxSizeOfInstructions = 0;
- if (version >= 0x00010000 && tables.maxp.length >= 22) {
- font.pos += 8;
- var maxZones = font.getUint16();
- if (maxZones > 2) {
- tables.maxp.data[14] = 0;
- tables.maxp.data[15] = 2;
- }
- font.pos += 4;
- maxFunctionDefs = font.getUint16();
- font.pos += 4;
- maxSizeOfInstructions = font.getUint16();
- }
- tables.maxp.data[4] = numGlyphsOut >> 8;
- tables.maxp.data[5] = numGlyphsOut & 255;
- var hintsValid = sanitizeTTPrograms(tables.fpgm, tables.prep, tables["cvt "], maxFunctionDefs);
- if (!hintsValid) {
- delete tables.fpgm;
- delete tables.prep;
- delete tables["cvt "];
- }
- sanitizeMetrics(font, tables.hhea, tables.hmtx, numGlyphsOut, dupFirstEntry);
- if (!tables.head) {
- throw new _util.FormatError('Required "head" table is not found');
- }
- sanitizeHead(tables.head, numGlyphs, isTrueType ? tables.loca.length : 0);
- var missingGlyphs = Object.create(null);
- if (isTrueType) {
- var isGlyphLocationsLong = int16(tables.head.data[50], tables.head.data[51]);
- var glyphsInfo = sanitizeGlyphLocations(tables.loca, tables.glyf, numGlyphs, isGlyphLocationsLong, hintsValid, dupFirstEntry, maxSizeOfInstructions);
- missingGlyphs = glyphsInfo.missingGlyphs;
- if (version >= 0x00010000 && tables.maxp.length >= 22) {
- tables.maxp.data[26] = glyphsInfo.maxSizeOfInstructions >> 8;
- tables.maxp.data[27] = glyphsInfo.maxSizeOfInstructions & 255;
- }
- }
- if (!tables.hhea) {
- throw new _util.FormatError('Required "hhea" table is not found');
- }
- if (tables.hhea.data[10] === 0 && tables.hhea.data[11] === 0) {
- tables.hhea.data[10] = 0xff;
- tables.hhea.data[11] = 0xff;
- }
- var metricsOverride = {
- unitsPerEm: int16(tables.head.data[18], tables.head.data[19]),
- yMax: int16(tables.head.data[42], tables.head.data[43]),
- yMin: signedInt16(tables.head.data[38], tables.head.data[39]),
- ascent: int16(tables.hhea.data[4], tables.hhea.data[5]),
- descent: signedInt16(tables.hhea.data[6], tables.hhea.data[7])
- };
- this.ascent = metricsOverride.ascent / metricsOverride.unitsPerEm;
- this.descent = metricsOverride.descent / metricsOverride.unitsPerEm;
- if (tables.post) {
- readPostScriptTable(tables.post, properties, numGlyphs);
- }
- tables.post = {
- tag: "post",
- data: createPostTable(properties)
- };
- const charCodeToGlyphId = [];
- function hasGlyph(glyphId) {
- return !missingGlyphs[glyphId];
- }
- if (properties.composite) {
- var cidToGidMap = properties.cidToGidMap || [];
- var isCidToGidMapEmpty = cidToGidMap.length === 0;
- properties.cMap.forEach(function (charCode, cid) {
- if (cid > 0xffff) {
- throw new _util.FormatError("Max size of CID is 65,535");
- }
- var glyphId = -1;
- if (isCidToGidMapEmpty) {
- glyphId = cid;
- } else if (cidToGidMap[cid] !== undefined) {
- glyphId = cidToGidMap[cid];
- }
- if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {
- charCodeToGlyphId[charCode] = glyphId;
- }
- });
- } else {
- var cmapTable = readCmapTable(tables.cmap, font, this.isSymbolicFont, properties.hasEncoding);
- var cmapPlatformId = cmapTable.platformId;
- var cmapEncodingId = cmapTable.encodingId;
- var cmapMappings = cmapTable.mappings;
- var cmapMappingsLength = cmapMappings.length;
- let baseEncoding = [];
- if (properties.hasEncoding && (properties.baseEncodingName === "MacRomanEncoding" || properties.baseEncodingName === "WinAnsiEncoding")) {
- baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
- }
- if (properties.hasEncoding && !this.isSymbolicFont && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0)) {
- var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
- for (let charCode = 0; charCode < 256; charCode++) {
- var glyphName, standardGlyphName;
- if (this.differences && charCode in this.differences) {
- glyphName = this.differences[charCode];
- } else if (charCode in baseEncoding && baseEncoding[charCode] !== "") {
- glyphName = baseEncoding[charCode];
- } else {
- glyphName = _encodings.StandardEncoding[charCode];
- }
- if (!glyphName) {
- continue;
- }
- standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
- var unicodeOrCharCode;
- if (cmapPlatformId === 3 && cmapEncodingId === 1) {
- unicodeOrCharCode = glyphsUnicodeMap[standardGlyphName];
- } else if (cmapPlatformId === 1 && cmapEncodingId === 0) {
- unicodeOrCharCode = _encodings.MacRomanEncoding.indexOf(standardGlyphName);
- }
- for (let i = 0; i < cmapMappingsLength; ++i) {
- if (cmapMappings[i].charCode !== unicodeOrCharCode) {
- continue;
- }
- charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
- break;
- }
- }
- } else if (cmapPlatformId === 0) {
- for (let i = 0; i < cmapMappingsLength; ++i) {
- charCodeToGlyphId[cmapMappings[i].charCode] = cmapMappings[i].glyphId;
- }
- } else {
- for (let i = 0; i < cmapMappingsLength; ++i) {
- let charCode = cmapMappings[i].charCode;
- if (cmapPlatformId === 3 && charCode >= 0xf000 && charCode <= 0xf0ff) {
- charCode &= 0xff;
- }
- charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
- }
- }
- if (properties.glyphNames && baseEncoding.length) {
- for (let i = 0; i < 256; ++i) {
- if (charCodeToGlyphId[i] === undefined && baseEncoding[i]) {
- glyphName = baseEncoding[i];
- const glyphId = properties.glyphNames.indexOf(glyphName);
- if (glyphId > 0 && hasGlyph(glyphId)) {
- charCodeToGlyphId[i] = glyphId;
- }
- }
- }
- }
- }
- if (charCodeToGlyphId.length === 0) {
- charCodeToGlyphId[0] = 0;
- }
- let glyphZeroId = numGlyphsOut - 1;
- if (!dupFirstEntry) {
- glyphZeroId = 0;
- }
- var newMapping = adjustMapping(charCodeToGlyphId, hasGlyph, glyphZeroId);
- this.toFontChar = newMapping.toFontChar;
- tables.cmap = {
- tag: "cmap",
- data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphsOut)
- };
- if (!tables["OS/2"] || !validateOS2Table(tables["OS/2"], font)) {
- tables["OS/2"] = {
- tag: "OS/2",
- data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride)
- };
- }
- if (!isTrueType) {
- try {
- cffFile = new _stream.Stream(tables["CFF "].data);
- var parser = new _cff_parser.CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED);
- cff = parser.parse();
- cff.duplicateFirstGlyph();
- var compiler = new _cff_parser.CFFCompiler(cff);
- tables["CFF "].data = compiler.compile();
- } catch (e) {
- (0, _util.warn)("Failed to compile font " + properties.loadedName);
- }
- }
- if (!tables.name) {
- tables.name = {
- tag: "name",
- data: createNameTable(this.name)
- };
- } else {
- var namePrototype = readNameTable(tables.name);
- tables.name.data = createNameTable(name, namePrototype);
- }
- var builder = new OpenTypeFileBuilder(header.version);
- for (var tableTag in tables) {
- builder.addTable(tableTag, tables[tableTag].data);
- }
- return builder.toArray();
- },
- convert: function Font_convert(fontName, font, properties) {
- properties.fixedPitch = false;
- if (properties.builtInEncoding) {
- adjustToUnicode(properties, properties.builtInEncoding);
- }
- let glyphZeroId = 1;
- if (font instanceof CFFFont) {
- glyphZeroId = font.numGlyphs - 1;
- }
- var mapping = font.getGlyphMapping(properties);
- var newMapping = adjustMapping(mapping, font.hasGlyphId.bind(font), glyphZeroId);
- this.toFontChar = newMapping.toFontChar;
- var numGlyphs = font.numGlyphs;
- function getCharCodes(charCodeToGlyphId, glyphId) {
- var charCodes = null;
- for (var charCode in charCodeToGlyphId) {
- if (glyphId === charCodeToGlyphId[charCode]) {
- if (!charCodes) {
- charCodes = [];
- }
- charCodes.push(charCode | 0);
- }
- }
- return charCodes;
- }
- function createCharCode(charCodeToGlyphId, glyphId) {
- for (var charCode in charCodeToGlyphId) {
- if (glyphId === charCodeToGlyphId[charCode]) {
- return charCode | 0;
- }
- }
- newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] = glyphId;
- return newMapping.nextAvailableFontCharCode++;
- }
- var seacs = font.seacs;
- if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {
- var matrix = properties.fontMatrix || _util.FONT_IDENTITY_MATRIX;
- var charset = font.getCharset();
- var seacMap = Object.create(null);
- for (var glyphId in seacs) {
- glyphId |= 0;
- var seac = seacs[glyphId];
- var baseGlyphName = _encodings.StandardEncoding[seac[2]];
- var accentGlyphName = _encodings.StandardEncoding[seac[3]];
- var baseGlyphId = charset.indexOf(baseGlyphName);
- var accentGlyphId = charset.indexOf(accentGlyphName);
- if (baseGlyphId < 0 || accentGlyphId < 0) {
- continue;
- }
- var accentOffset = {
- x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],
- y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5]
- };
- var charCodes = getCharCodes(mapping, glyphId);
- if (!charCodes) {
- continue;
- }
- for (let i = 0, ii = charCodes.length; i < ii; i++) {
- var charCode = charCodes[i];
- var charCodeToGlyphId = newMapping.charCodeToGlyphId;
- var baseFontCharCode = createCharCode(charCodeToGlyphId, baseGlyphId);
- var accentFontCharCode = createCharCode(charCodeToGlyphId, accentGlyphId);
- seacMap[charCode] = {
- baseFontCharCode,
- accentFontCharCode,
- accentOffset
- };
- }
- }
- properties.seacMap = seacMap;
- }
- var unitsPerEm = 1 / (properties.fontMatrix || _util.FONT_IDENTITY_MATRIX)[0];
- var builder = new OpenTypeFileBuilder("\x4F\x54\x54\x4F");
- builder.addTable("CFF ", font.data);
- builder.addTable("OS/2", createOS2Table(properties, newMapping.charCodeToGlyphId));
- builder.addTable("cmap", createCmapTable(newMapping.charCodeToGlyphId, numGlyphs));
- builder.addTable("head", "\x00\x01\x00\x00" + "\x00\x00\x10\x00" + "\x00\x00\x00\x00" + "\x5F\x0F\x3C\xF5" + "\x00\x00" + safeString16(unitsPerEm) + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00\x00\x00\x9e\x0b\x7e\x27" + "\x00\x00" + safeString16(properties.descent) + "\x0F\xFF" + safeString16(properties.ascent) + string16(properties.italicAngle ? 2 : 0) + "\x00\x11" + "\x00\x00" + "\x00\x00" + "\x00\x00");
- builder.addTable("hhea", "\x00\x01\x00\x00" + safeString16(properties.ascent) + safeString16(properties.descent) + "\x00\x00" + "\xFF\xFF" + "\x00\x00" + "\x00\x00" + "\x00\x00" + safeString16(properties.capHeight) + safeString16(Math.tan(properties.italicAngle) * properties.xHeight) + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + "\x00\x00" + string16(numGlyphs));
- builder.addTable("hmtx", function fontFieldsHmtx() {
- var charstrings = font.charstrings;
- var cffWidths = font.cff ? font.cff.widths : null;
- var hmtx = "\x00\x00\x00\x00";
- for (let i = 1, ii = numGlyphs; i < ii; i++) {
- var width = 0;
- if (charstrings) {
- var charstring = charstrings[i - 1];
- width = "width" in charstring ? charstring.width : 0;
- } else if (cffWidths) {
- width = Math.ceil(cffWidths[i] || 0);
- }
- hmtx += string16(width) + string16(0);
- }
- return hmtx;
- }());
- builder.addTable("maxp", "\x00\x00\x50\x00" + string16(numGlyphs));
- builder.addTable("name", createNameTable(fontName));
- builder.addTable("post", createPostTable(properties));
- return builder.toArray();
- },
- get spaceWidth() {
- var possibleSpaceReplacements = ["space", "minus", "one", "i", "I"];
- var width;
- for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
- var glyphName = possibleSpaceReplacements[i];
- if (glyphName in this.widths) {
- width = this.widths[glyphName];
- break;
- }
- var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
- var glyphUnicode = glyphsUnicodeMap[glyphName];
- var charcode = 0;
- if (this.composite && this.cMap.contains(glyphUnicode)) {
- charcode = this.cMap.lookup(glyphUnicode);
- }
- if (!charcode && this.toUnicode) {
- charcode = this.toUnicode.charCodeOf(glyphUnicode);
- }
- if (charcode <= 0) {
- charcode = glyphUnicode;
- }
- width = this.widths[charcode];
- if (width) {
- break;
- }
- }
- width = width || this.defaultWidth;
- return (0, _util.shadow)(this, "spaceWidth", width);
- },
- charToGlyph: function Font_charToGlyph(charcode, isSpace) {
- var fontCharCode, width, operatorListId;
- var widthCode = charcode;
- if (this.cMap && this.cMap.contains(charcode)) {
- widthCode = this.cMap.lookup(charcode);
- }
- width = this.widths[widthCode];
- width = (0, _util.isNum)(width) ? width : this.defaultWidth;
- var vmetric = this.vmetrics && this.vmetrics[widthCode];
- let unicode = this.toUnicode.get(charcode) || this.fallbackToUnicode.get(charcode) || charcode;
- if (typeof unicode === "number") {
- unicode = String.fromCharCode(unicode);
- }
- var isInFont = (charcode in this.toFontChar);
- fontCharCode = this.toFontChar[charcode] || charcode;
- if (this.missingFile) {
- const glyphName = this.differences[charcode] || this.defaultEncoding[charcode];
- if ((glyphName === ".notdef" || glyphName === "") && this.type === "Type1") {
- fontCharCode = 0x20;
- }
- fontCharCode = (0, _unicode.mapSpecialUnicodeValues)(fontCharCode);
- }
- if (this.isType3Font) {
- operatorListId = fontCharCode;
- }
- var accent = null;
- if (this.seacMap && this.seacMap[charcode]) {
- isInFont = true;
- var seac = this.seacMap[charcode];
- fontCharCode = seac.baseFontCharCode;
- accent = {
- fontChar: String.fromCodePoint(seac.accentFontCharCode),
- offset: seac.accentOffset
- };
- }
- let fontChar = "";
- if (typeof fontCharCode === "number") {
- if (fontCharCode <= 0x10ffff) {
- fontChar = String.fromCodePoint(fontCharCode);
- } else {
- (0, _util.warn)(`charToGlyph - invalid fontCharCode: ${fontCharCode}`);
- }
- }
- var glyph = this.glyphCache[charcode];
- if (!glyph || !glyph.matchesForCache(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont)) {
- glyph = new Glyph(fontChar, unicode, accent, width, vmetric, operatorListId, isSpace, isInFont);
- this.glyphCache[charcode] = glyph;
- }
- return glyph;
- },
- charsToGlyphs: function Font_charsToGlyphs(chars) {
- var charsCache = this.charsCache;
- var glyphs, glyph, charcode;
- if (charsCache) {
- glyphs = charsCache[chars];
- if (glyphs) {
- return glyphs;
- }
- }
- if (!charsCache) {
- charsCache = this.charsCache = Object.create(null);
- }
- glyphs = [];
- var charsCacheKey = chars;
- var i = 0,
- ii;
- if (this.cMap) {
- var c = Object.create(null);
- while (i < chars.length) {
- this.cMap.readCharCode(chars, i, c);
- charcode = c.charcode;
- var length = c.length;
- i += length;
- var isSpace = length === 1 && chars.charCodeAt(i - 1) === 0x20;
- glyph = this.charToGlyph(charcode, isSpace);
- glyphs.push(glyph);
- }
- } else {
- for (i = 0, ii = chars.length; i < ii; ++i) {
- charcode = chars.charCodeAt(i);
- glyph = this.charToGlyph(charcode, charcode === 0x20);
- glyphs.push(glyph);
- }
- }
- return charsCache[charsCacheKey] = glyphs;
- },
- get glyphCacheValues() {
- return Object.values(this.glyphCache);
- }
- };
- return Font;
- }();
- exports.Font = Font;
- var ErrorFont = function ErrorFontClosure() {
- function ErrorFont(error) {
- this.error = error;
- this.loadedName = "g_font_error";
- this.missingFile = true;
- }
- ErrorFont.prototype = {
- charsToGlyphs: function ErrorFont_charsToGlyphs() {
- return [];
- },
- exportData(extraProperties = false) {
- return {
- error: this.error
- };
- }
- };
- return ErrorFont;
- }();
- exports.ErrorFont = ErrorFont;
- function type1FontGlyphMapping(properties, builtInEncoding, glyphNames) {
- var charCodeToGlyphId = Object.create(null);
- var glyphId, charCode, baseEncoding;
- var isSymbolicFont = !!(properties.flags & FontFlags.Symbolic);
- if (properties.baseEncodingName) {
- baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
- for (charCode = 0; charCode < baseEncoding.length; charCode++) {
- glyphId = glyphNames.indexOf(baseEncoding[charCode]);
- if (glyphId >= 0) {
- charCodeToGlyphId[charCode] = glyphId;
- } else {
- charCodeToGlyphId[charCode] = 0;
- }
- }
- } else if (isSymbolicFont) {
- for (charCode in builtInEncoding) {
- charCodeToGlyphId[charCode] = builtInEncoding[charCode];
- }
- } else {
- baseEncoding = _encodings.StandardEncoding;
- for (charCode = 0; charCode < baseEncoding.length; charCode++) {
- glyphId = glyphNames.indexOf(baseEncoding[charCode]);
- if (glyphId >= 0) {
- charCodeToGlyphId[charCode] = glyphId;
- } else {
- charCodeToGlyphId[charCode] = 0;
- }
- }
- }
- var differences = properties.differences,
- glyphsUnicodeMap;
- if (differences) {
- for (charCode in differences) {
- var glyphName = differences[charCode];
- glyphId = glyphNames.indexOf(glyphName);
- if (glyphId === -1) {
- if (!glyphsUnicodeMap) {
- glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
- }
- var standardGlyphName = recoverGlyphName(glyphName, glyphsUnicodeMap);
- if (standardGlyphName !== glyphName) {
- glyphId = glyphNames.indexOf(standardGlyphName);
- }
- }
- if (glyphId >= 0) {
- charCodeToGlyphId[charCode] = glyphId;
- } else {
- charCodeToGlyphId[charCode] = 0;
- }
- }
- }
- return charCodeToGlyphId;
- }
- var Type1Font = function Type1FontClosure() {
- function findBlock(streamBytes, signature, startIndex) {
- var streamBytesLength = streamBytes.length;
- var signatureLength = signature.length;
- var scanLength = streamBytesLength - signatureLength;
- var i = startIndex,
- j,
- found = false;
- while (i < scanLength) {
- j = 0;
- while (j < signatureLength && streamBytes[i + j] === signature[j]) {
- j++;
- }
- if (j >= signatureLength) {
- i += j;
- while (i < streamBytesLength && (0, _core_utils.isWhiteSpace)(streamBytes[i])) {
- i++;
- }
- found = true;
- break;
- }
- i++;
- }
- return {
- found,
- length: i
- };
- }
- function getHeaderBlock(stream, suggestedLength) {
- var EEXEC_SIGNATURE = [0x65, 0x65, 0x78, 0x65, 0x63];
- var streamStartPos = stream.pos;
- var headerBytes, headerBytesLength, block;
- try {
- headerBytes = stream.getBytes(suggestedLength);
- headerBytesLength = headerBytes.length;
- } catch (ex) {
- if (ex instanceof _core_utils.MissingDataException) {
- throw ex;
- }
- }
- if (headerBytesLength === suggestedLength) {
- block = findBlock(headerBytes, EEXEC_SIGNATURE, suggestedLength - 2 * EEXEC_SIGNATURE.length);
- if (block.found && block.length === suggestedLength) {
- return {
- stream: new _stream.Stream(headerBytes),
- length: suggestedLength
- };
- }
- }
- (0, _util.warn)('Invalid "Length1" property in Type1 font -- trying to recover.');
- stream.pos = streamStartPos;
- var SCAN_BLOCK_LENGTH = 2048;
- var actualLength;
- while (true) {
- var scanBytes = stream.peekBytes(SCAN_BLOCK_LENGTH);
- block = findBlock(scanBytes, EEXEC_SIGNATURE, 0);
- if (block.length === 0) {
- break;
- }
- stream.pos += block.length;
- if (block.found) {
- actualLength = stream.pos - streamStartPos;
- break;
- }
- }
- stream.pos = streamStartPos;
- if (actualLength) {
- return {
- stream: new _stream.Stream(stream.getBytes(actualLength)),
- length: actualLength
- };
- }
- (0, _util.warn)('Unable to recover "Length1" property in Type1 font -- using as is.');
- return {
- stream: new _stream.Stream(stream.getBytes(suggestedLength)),
- length: suggestedLength
- };
- }
- function getEexecBlock(stream, suggestedLength) {
- var eexecBytes = stream.getBytes();
- return {
- stream: new _stream.Stream(eexecBytes),
- length: eexecBytes.length
- };
- }
- function Type1Font(name, file, properties) {
- var PFB_HEADER_SIZE = 6;
- var headerBlockLength = properties.length1;
- var eexecBlockLength = properties.length2;
- var pfbHeader = file.peekBytes(PFB_HEADER_SIZE);
- var pfbHeaderPresent = pfbHeader[0] === 0x80 && pfbHeader[1] === 0x01;
- if (pfbHeaderPresent) {
- file.skip(PFB_HEADER_SIZE);
- headerBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
- }
- var headerBlock = getHeaderBlock(file, headerBlockLength);
- var headerBlockParser = new _type1_parser.Type1Parser(headerBlock.stream, false, SEAC_ANALYSIS_ENABLED);
- headerBlockParser.extractFontHeader(properties);
- if (pfbHeaderPresent) {
- pfbHeader = file.getBytes(PFB_HEADER_SIZE);
- eexecBlockLength = pfbHeader[5] << 24 | pfbHeader[4] << 16 | pfbHeader[3] << 8 | pfbHeader[2];
- }
- var eexecBlock = getEexecBlock(file, eexecBlockLength);
- var eexecBlockParser = new _type1_parser.Type1Parser(eexecBlock.stream, true, SEAC_ANALYSIS_ENABLED);
- var data = eexecBlockParser.extractFontProgram(properties);
- for (const key in data.properties) {
- properties[key] = data.properties[key];
- }
- var charstrings = data.charstrings;
- var type2Charstrings = this.getType2Charstrings(charstrings);
- var subrs = this.getType2Subrs(data.subrs);
- this.charstrings = charstrings;
- this.data = this.wrap(name, type2Charstrings, this.charstrings, subrs, properties);
- this.seacs = this.getSeacs(data.charstrings);
- }
- Type1Font.prototype = {
- get numGlyphs() {
- return this.charstrings.length + 1;
- },
- getCharset: function Type1Font_getCharset() {
- var charset = [".notdef"];
- var charstrings = this.charstrings;
- for (var glyphId = 0; glyphId < charstrings.length; glyphId++) {
- charset.push(charstrings[glyphId].glyphName);
- }
- return charset;
- },
- getGlyphMapping: function Type1Font_getGlyphMapping(properties) {
- var charstrings = this.charstrings;
- if (properties.composite) {
- const charCodeToGlyphId = Object.create(null);
- for (let glyphId = 0, charstringsLen = charstrings.length; glyphId < charstringsLen; glyphId++) {
- const charCode = properties.cMap.charCodeOf(glyphId);
- charCodeToGlyphId[charCode] = glyphId + 1;
- }
- return charCodeToGlyphId;
- }
- var glyphNames = [".notdef"],
- glyphId;
- for (glyphId = 0; glyphId < charstrings.length; glyphId++) {
- glyphNames.push(charstrings[glyphId].glyphName);
- }
- var encoding = properties.builtInEncoding;
- if (encoding) {
- var builtInEncoding = Object.create(null);
- for (var charCode in encoding) {
- glyphId = glyphNames.indexOf(encoding[charCode]);
- if (glyphId >= 0) {
- builtInEncoding[charCode] = glyphId;
- }
- }
- }
- return type1FontGlyphMapping(properties, builtInEncoding, glyphNames);
- },
- hasGlyphId: function Type1Font_hasGlyphID(id) {
- if (id < 0 || id >= this.numGlyphs) {
- return false;
- }
- if (id === 0) {
- return true;
- }
- var glyph = this.charstrings[id - 1];
- return glyph.charstring.length > 0;
- },
- getSeacs: function Type1Font_getSeacs(charstrings) {
- var i, ii;
- var seacMap = [];
- for (i = 0, ii = charstrings.length; i < ii; i++) {
- var charstring = charstrings[i];
- if (charstring.seac) {
- seacMap[i + 1] = charstring.seac;
- }
- }
- return seacMap;
- },
- getType2Charstrings: function Type1Font_getType2Charstrings(type1Charstrings) {
- var type2Charstrings = [];
- for (var i = 0, ii = type1Charstrings.length; i < ii; i++) {
- type2Charstrings.push(type1Charstrings[i].charstring);
- }
- return type2Charstrings;
- },
- getType2Subrs: function Type1Font_getType2Subrs(type1Subrs) {
- var bias = 0;
- var count = type1Subrs.length;
- if (count < 1133) {
- bias = 107;
- } else if (count < 33769) {
- bias = 1131;
- } else {
- bias = 32768;
- }
- var type2Subrs = [];
- var i;
- for (i = 0; i < bias; i++) {
- type2Subrs.push([0x0b]);
- }
- for (i = 0; i < count; i++) {
- type2Subrs.push(type1Subrs[i]);
- }
- return type2Subrs;
- },
- wrap: function Type1Font_wrap(name, glyphs, charstrings, subrs, properties) {
- var cff = new _cff_parser.CFF();
- cff.header = new _cff_parser.CFFHeader(1, 0, 4, 4);
- cff.names = [name];
- var topDict = new _cff_parser.CFFTopDict();
- topDict.setByName("version", 391);
- topDict.setByName("Notice", 392);
- topDict.setByName("FullName", 393);
- topDict.setByName("FamilyName", 394);
- topDict.setByName("Weight", 395);
- topDict.setByName("Encoding", null);
- topDict.setByName("FontMatrix", properties.fontMatrix);
- topDict.setByName("FontBBox", properties.bbox);
- topDict.setByName("charset", null);
- topDict.setByName("CharStrings", null);
- topDict.setByName("Private", null);
- cff.topDict = topDict;
- var strings = new _cff_parser.CFFStrings();
- strings.add("Version 0.11");
- strings.add("See original notice");
- strings.add(name);
- strings.add(name);
- strings.add("Medium");
- cff.strings = strings;
- cff.globalSubrIndex = new _cff_parser.CFFIndex();
- var count = glyphs.length;
- var charsetArray = [".notdef"];
- var i, ii;
- for (i = 0; i < count; i++) {
- const glyphName = charstrings[i].glyphName;
- const index = _cff_parser.CFFStandardStrings.indexOf(glyphName);
- if (index === -1) {
- strings.add(glyphName);
- }
- charsetArray.push(glyphName);
- }
- cff.charset = new _cff_parser.CFFCharset(false, 0, charsetArray);
- var charStringsIndex = new _cff_parser.CFFIndex();
- charStringsIndex.add([0x8b, 0x0e]);
- for (i = 0; i < count; i++) {
- charStringsIndex.add(glyphs[i]);
- }
- cff.charStrings = charStringsIndex;
- var privateDict = new _cff_parser.CFFPrivateDict();
- privateDict.setByName("Subrs", null);
- var fields = ["BlueValues", "OtherBlues", "FamilyBlues", "FamilyOtherBlues", "StemSnapH", "StemSnapV", "BlueShift", "BlueFuzz", "BlueScale", "LanguageGroup", "ExpansionFactor", "ForceBold", "StdHW", "StdVW"];
- for (i = 0, ii = fields.length; i < ii; i++) {
- var field = fields[i];
- if (!(field in properties.privateData)) {
- continue;
- }
- var value = properties.privateData[field];
- if (Array.isArray(value)) {
- for (var j = value.length - 1; j > 0; j--) {
- value[j] -= value[j - 1];
- }
- }
- privateDict.setByName(field, value);
- }
- cff.topDict.privateDict = privateDict;
- var subrIndex = new _cff_parser.CFFIndex();
- for (i = 0, ii = subrs.length; i < ii; i++) {
- subrIndex.add(subrs[i]);
- }
- privateDict.subrsIndex = subrIndex;
- var compiler = new _cff_parser.CFFCompiler(cff);
- return compiler.compile();
- }
- };
- return Type1Font;
- }();
- var CFFFont = function CFFFontClosure() {
- function CFFFont(file, properties) {
- this.properties = properties;
- var parser = new _cff_parser.CFFParser(file, properties, SEAC_ANALYSIS_ENABLED);
- this.cff = parser.parse();
- this.cff.duplicateFirstGlyph();
- var compiler = new _cff_parser.CFFCompiler(this.cff);
- this.seacs = this.cff.seacs;
- try {
- this.data = compiler.compile();
- } catch (e) {
- (0, _util.warn)("Failed to compile font " + properties.loadedName);
- this.data = file;
- }
- }
- CFFFont.prototype = {
- get numGlyphs() {
- return this.cff.charStrings.count;
- },
- getCharset: function CFFFont_getCharset() {
- return this.cff.charset.charset;
- },
- getGlyphMapping: function CFFFont_getGlyphMapping() {
- var cff = this.cff;
- var properties = this.properties;
- var charsets = cff.charset.charset;
- var charCodeToGlyphId;
- var glyphId;
- if (properties.composite) {
- charCodeToGlyphId = Object.create(null);
- let charCode;
- if (cff.isCIDFont) {
- for (glyphId = 0; glyphId < charsets.length; glyphId++) {
- var cid = charsets[glyphId];
- charCode = properties.cMap.charCodeOf(cid);
- charCodeToGlyphId[charCode] = glyphId;
- }
- } else {
- for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
- charCode = properties.cMap.charCodeOf(glyphId);
- charCodeToGlyphId[charCode] = glyphId;
- }
- }
- return charCodeToGlyphId;
- }
- var encoding = cff.encoding ? cff.encoding.encoding : null;
- charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);
- return charCodeToGlyphId;
- },
- hasGlyphId: function CFFFont_hasGlyphID(id) {
- return this.cff.hasGlyphId(id);
- }
- };
- return CFFFont;
- }();
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