/** * @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; }();