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1x | /* Copyright 2017 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.
*/
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.getFontType = exports.ProblematicCharRanges = exports.IdentityToUnicodeMap = exports.ToUnicodeMap = exports.FontFlags = exports.Font = exports.ErrorFont = exports.PRIVATE_USE_OFFSET_END = exports.PRIVATE_USE_OFFSET_START = exports.SEAC_ANALYSIS_ENABLED = undefined;
var _util = require('../shared/util');
var _cff_parser = require('./cff_parser');
var _glyphlist = require('./glyphlist');
var _encodings = require('./encodings');
var _standard_fonts = require('./standard_fonts');
var _unicode = require('./unicode');
var _font_renderer = require('./font_renderer');
var _stream = require('./stream');
var _type1_parser = require('./type1_parser');
var PRIVATE_USE_OFFSET_START = 0xE000;
var PRIVATE_USE_OFFSET_END = 0xF8FF;
var SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = false;
var PDF_GLYPH_SPACE_UNITS = 1000;
var SEAC_ANALYSIS_ENABLED = false;
var FontFlags = {
FixedPitch: 1,
Serif: 2,
Symbolic: 4,
Script: 8,
Nonsymbolic: 32,
Italic: 64,
AllCap: 65536,
SmallCap: 131072,
ForceBold: 262144
};
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() {
var cmap = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
this._map = cmap;
}
ToUnicodeMap.prototype = {
get length() {
return this._map.length;
},
forEach: function forEach(callback) {
for (var charCode in this._map) {
callback(charCode, this._map[charCode].charCodeAt(0));
}
},
has: function has(i) {
return this._map[i] !== undefined;
},
get: function get(i) {
return this._map[i];
},
charCodeOf: function charCodeOf(value) {
var map = this._map;
Eif (map.length <= 0x10000) {
return map.indexOf(value);
}
for (var charCode in map) {
if (map[charCode] === value) {
return charCode | 0;
}
}
return -1;
},
amend: function amend(map) {
for (var charCode in map) {
this._map[charCode] = map[charCode];
}
}
};
return 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: function forEach(callback) {
for (var i = this.firstChar, ii = this.lastChar; i <= ii; i++) {
callback(i, i);
}
},
has: function has(i) {
return this.firstChar <= i && i <= this.lastChar;
},
get: function get(i) {
if (this.firstChar <= i && i <= this.lastChar) {
return String.fromCharCode(i);
}
return undefined;
},
charCodeOf: function charCodeOf(v) {
return Number.isInteger(v) && v >= this.firstChar && v <= this.lastChar ? v : -1;
},
amend: function amend(map) {
throw new Error('Should not call amend()');
}
};
return 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 Eif (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);
}
Iif (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, _util.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) {
Iif (tag in this.tables) {
throw new Error('Table ' + tag + ' already exists');
}
this.tables[tag] = data;
}
};
return OpenTypeFileBuilder;
}();
var ProblematicCharRanges = new Int32Array([0x0000, 0x0020, 0x007F, 0x00A1, 0x00AD, 0x00AE, 0x0600, 0x0780, 0x08A0, 0x10A0, 0x1780, 0x1800, 0x1C00, 0x1C50, 0x2000, 0x2010, 0x2011, 0x2012, 0x2028, 0x2030, 0x205F, 0x2070, 0x25CC, 0x25CD, 0x3000, 0x3001, 0x3164, 0x3165, 0xAA60, 0xAA80, 0xD800, 0xE000, 0xFFF0, 0x10000]);
var Font = function FontClosure() {
function Font(name, file, properties) {
var charCode;
this.name = name;
this.loadedName = properties.loadedName;
this.isType3Font = properties.isType3Font;
this.sizes = [];
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;
this.fallbackName = this.isMonospace ? 'monospace' : this.isSerifFont ? 'serif' : 'sans-serif';
this.differences = properties.differences;
this.widths = properties.widths;
this.defaultWidth = properties.defaultWidth;
this.composite = properties.composite;
this.wideChars = properties.wideChars;
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 = [];
Iif (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;
Iif (this.vertical) {
this.vmetrics = properties.vmetrics;
this.defaultVMetrics = properties.defaultVMetrics;
}
if (!file || file.isEmpty) {
Iif (file) {
(0, _util.warn)('Font file is empty in "' + name + '" (' + this.loadedName + ')');
}
this.fallbackToSystemFont();
return;
}
Iif (subtype === 'Type1C') {
if (type !== 'Type1' && type !== 'MMType1') {
if (isTrueTypeFile(file)) {
subtype = 'TrueType';
} else {
type = 'Type1';
}
} else if (isOpenTypeFile(file)) {
subtype = 'OpenType';
}
}
Iif (subtype === 'CIDFontType0C' && type !== 'CIDFontType0') {
type = 'CIDFontType0';
}
Iif (type === 'CIDFontType0') {
if (isType1File(file)) {
subtype = 'CIDFontType0';
} else if (isOpenTypeFile(file)) {
subtype = 'OpenType';
} else {
subtype = 'CIDFontType0C';
}
}
Iif (subtype === 'OpenType' && type !== 'OpenType') {
type = 'OpenType';
}
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);
Iif (this.isOpenType) {
adjustWidths(properties);
type = 'OpenType';
}
break;
default:
throw new _util.FormatError('Font ' + type + ' is not supported');
}
} catch (e) {
if (!(e instanceof _util.FormatError)) {
throw 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.encoding = properties.baseEncoding;
this.seacMap = properties.seacMap;
this.loading = true;
}
Font.getFontID = function () {
var ID = 1;
return function Font_getFontID() {
return String(ID++);
};
}();
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) {
value = value > 0x7FFF ? 0x7FFF : value < -0x8000 ? -0x8000 : value;
return String.fromCharCode(value >> 8 & 0xff, value & 0xff);
}
function isTrueTypeFile(file) {
var header = file.peekBytes(4);
return (0, _util.readUint32)(header, 0) === 0x00010000;
}
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 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 isProblematicUnicodeLocation(code) {
var i = 0,
j = ProblematicCharRanges.length - 1;
while (i < j) {
var c = i + j + 1 >> 1;
if (code < ProblematicCharRanges[c]) {
j = c - 1;
} else {
i = c;
}
}
return !(i & 1);
}
function adjustMapping(charCodeToGlyphId, properties, missingGlyphs) {
var toUnicode = properties.toUnicode;
var isSymbolic = !!(properties.flags & FontFlags.Symbolic);
var isIdentityUnicode = properties.toUnicode instanceof IdentityToUnicodeMap;
var newMap = Object.create(null);
var toFontChar = [];
var usedFontCharCodes = [];
var nextAvailableFontCharCode = PRIVATE_USE_OFFSET_START;
for (var originalCharCode in charCodeToGlyphId) {
originalCharCode |= 0;
var glyphId = charCodeToGlyphId[originalCharCode];
Iif (missingGlyphs[glyphId]) {
continue;
}
var fontCharCode = originalCharCode;
var hasUnicodeValue = false;
Eif (!isIdentityUnicode && toUnicode.has(originalCharCode)) {
hasUnicodeValue = true;
var unicode = toUnicode.get(fontCharCode);
Eif (unicode.length === 1) {
fontCharCode = unicode.charCodeAt(0);
}
}
if (usedFontCharCodes[fontCharCode] !== undefined || isProblematicUnicodeLocation(fontCharCode) || isSymbolic && !hasUnicodeValue) {
do {
Iif (nextAvailableFontCharCode > PRIVATE_USE_OFFSET_END) {
(0, _util.warn)('Ran out of space in font private use area.');
break;
}
fontCharCode = nextAvailableFontCharCode++;
Iif (SKIP_PRIVATE_USE_RANGE_F000_TO_F01F && fontCharCode === 0xF000) {
fontCharCode = 0xF020;
nextAvailableFontCharCode = fontCharCode + 1;
}
} while (usedFontCharCodes[fontCharCode] !== undefined);
}
newMap[fontCharCode] = glyphId;
toFontChar[originalCharCode] = fontCharCode;
usedFontCharCodes[fontCharCode] = true;
}
return {
toFontChar: toFontChar,
charCodeToGlyphId: newMap,
nextAvailableFontCharCode: nextAvailableFontCharCode
};
}
function getRanges(glyphs, numGlyphs) {
var codes = [];
for (var charCode in glyphs) {
Iif (glyphs[charCode] >= numGlyphs) {
continue;
}
codes.push({
fontCharCode: charCode | 0,
glyphId: glyphs[charCode]
});
}
Iif (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;
Iif (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) {
Eif (ranges[i][0] <= 0xFFFF) {
break;
}
}
var bmpLength = i + 1;
Iif (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);
}
}
Eif (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 = '';
Iif (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) {
var stream = new _stream.Stream(os2.data);
var version = stream.getUint16();
stream.getBytes(60);
var selection = stream.getUint16();
if (version < 4 && selection & 0x0300) {
return false;
}
var firstChar = stream.getUint16();
var lastChar = stream.getUint16();
if (firstChar > lastChar) {
return false;
}
stream.getBytes(6);
var usWinAscent = stream.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;
Eif (charstrings) {
for (var code in charstrings) {
code |= 0;
if (firstCharIndex > code || !firstCharIndex) {
firstCharIndex = code;
}
Eif (lastCharIndex < code) {
lastCharIndex = code;
}
var position = (0, _unicode.getUnicodeRangeFor)(code);
if (position < 32) {
ulUnicodeRange1 |= 1 << position;
} else Eif (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');
}
}
} 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]));
Iif (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 * Math.pow(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) {
Eif (!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,
encoding: null,
get renderer() {
var renderer = _font_renderer.FontRendererFactory.create(this, SEAC_ANALYSIS_ENABLED);
return (0, _util.shadow)(this, 'renderer', renderer);
},
exportData: function Font_exportData() {
var data = {};
for (var i in this) {
if (this.hasOwnProperty(i)) {
data[i] = this[i];
}
}
return data;
},
fallbackToSystemFont: function Font_fallbackToSystemFont() {
var _this = this;
this.missingFile = true;
var charCode, unicode;
var name = this.name;
var type = this.type;
var subtype = this.subtype;
var fontName = name.replace(/[,_]/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;
Iif (isStandardFont && type === 'CIDFontType2' && this.cidEncoding.indexOf('Identity-') === 0) {
var GlyphMapForStandardFonts = (0, _standard_fonts.getGlyphMapForStandardFonts)();
var map = [];
for (charCode in GlyphMapForStandardFonts) {
map[+charCode] = GlyphMapForStandardFonts[charCode];
}
if (/Arial-?Black/i.test(name)) {
var SupplementalGlyphMapForArialBlack = (0, _standard_fonts.getSupplementalGlyphMapForArialBlack)();
for (charCode in SupplementalGlyphMapForArialBlack) {
map[+charCode] = SupplementalGlyphMapForArialBlack[charCode];
}
} else if (/Calibri/i.test(name)) {
var SupplementalGlyphMapForCalibri = (0, _standard_fonts.getSupplementalGlyphMapForCalibri)();
for (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 Iif (/Symbol/i.test(fontName)) {
this.toFontChar = buildToFontChar(_encodings.SymbolSetEncoding, (0, _glyphlist.getGlyphsUnicode)(), this.differences);
} else Iif (/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 {
var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
this.toUnicode.forEach(function (charCode, unicodeCharCode) {
Eif (!_this.composite) {
var glyphName = _this.differences[charCode] || _this.defaultEncoding[charCode];
unicode = (0, _unicode.getUnicodeForGlyph)(glyphName, glyphsUnicodeMap);
Eif (unicode !== -1) {
unicodeCharCode = unicode;
}
}
_this.toFontChar[charCode] = unicodeCharCode;
});
}
this.loadedName = fontName.split('-')[0];
this.loading = false;
this.fontType = getFontType(type, subtype);
},
checkAndRepair: function Font_checkAndRepair(name, font, properties) {
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: tag,
checksum: checksum,
length: length,
offset: offset,
data: 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 readCmapTable(cmap, font, isSymbolicFont, hasEncoding) {
if (!cmap) {
(0, _util.warn)('No cmap table available.');
return {
platformId: -1,
encodingId: -1,
mappings: [],
hasShortCmap: false
};
}
var segment;
var start = (font.start ? font.start : 0) + cmap.offset;
font.pos = start;
font.getUint16();
var numTables = font.getUint16();
var potentialTable;
var canBreak = false;
for (var i = 0; i < numTables; i++) {
var platformId = font.getUint16();
var encodingId = font.getUint16();
var offset = font.getInt32() >>> 0;
var useTable = false;
if (potentialTable && potentialTable.platformId === platformId && potentialTable.encodingId === encodingId) {
continue;
}
if (platformId === 0 && encodingId === 0) {
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: platformId,
encodingId: encodingId,
offset: offset
};
}
if (canBreak) {
break;
}
}
if (potentialTable) {
font.pos = start + potentialTable.offset;
}
if (!potentialTable || font.peekByte() === -1) {
(0, _util.warn)('Could not find a preferred cmap table.');
return {
platformId: -1,
encodingId: -1,
mappings: [],
hasShortCmap: false
};
}
var format = font.getUint16();
font.getUint16();
font.getUint16();
var hasShortCmap = false;
var mappings = [];
var j, glyphId;
if (format === 0) {
for (j = 0; j < 256; j++) {
var index = font.getByte();
if (!index) {
continue;
}
mappings.push({
charCode: j,
glyphId: index
});
}
hasShortCmap = true;
} else if (format === 4) {
var segCount = font.getUint16() >> 1;
font.getBytes(6);
var segIndex,
segments = [];
for (segIndex = 0; segIndex < segCount; segIndex++) {
segments.push({ end: font.getUint16() });
}
font.getUint16();
for (segIndex = 0; segIndex < segCount; segIndex++) {
segments[segIndex].start = font.getUint16();
}
for (segIndex = 0; segIndex < segCount; segIndex++) {
segments[segIndex].delta = font.getUint16();
}
var offsetsCount = 0;
for (segIndex = 0; segIndex < segCount; segIndex++) {
segment = segments[segIndex];
var rangeOffset = font.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(font.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: glyphId
});
}
}
} else if (format === 6) {
var firstCode = font.getUint16();
var entryCount = font.getUint16();
for (j = 0; j < entryCount; j++) {
glyphId = font.getUint16();
var charCode = firstCode + j;
mappings.push({
charCode: charCode,
glyphId: 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: mappings,
hasShortCmap: hasShortCmap
};
}
function sanitizeMetrics(font, header, metrics, numGlyphs) {
Iif (!header) {
if (metrics) {
metrics.data = null;
}
return;
}
font.pos = (font.start ? font.start : 0) + header.offset;
font.pos += header.length - 2;
var numOfMetrics = font.getUint16();
Iif (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);
Iif (numMissing > 0) {
var entries = new Uint8Array(metrics.length + numMissing * 2);
entries.set(metrics.data);
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++];
Iif (flag & 0xC0) {
glyf[j - 1] = flag & 0x3F;
}
var xyLength = (flag & 2 ? 1 : flag & 16 ? 0 : 2) + (flag & 4 ? 1 : flag & 32 ? 0 : 2);
coordinatesLength += xyLength;
if (flag & 8) {
var repeat = glyf[j++];
i += repeat;
coordinatesLength += repeat * xyLength;
}
}
Iif (coordinatesLength === 0) {
return glyphProfile;
}
var glyphDataLength = j + coordinatesLength;
Iif (glyphDataLength > glyf.length) {
return glyphProfile;
}
Iif (!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;
}
Iif (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]);
Iif (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]);
Iif (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;
Eif (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 locaData = loca.data;
var locaDataSize = itemSize * (1 + numGlyphs);
Iif (locaData.length !== locaDataSize) {
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 startOffset = itemDecode(locaData, 0);
var writeOffset = 0;
var missingGlyphs = Object.create(null);
itemEncode(locaData, 0, writeOffset);
var i, j;
var locaCount = dupFirstEntry ? numGlyphs - 1 : numGlyphs;
for (i = 0, j = itemSize; i < locaCount; i++, j += itemSize) {
var endOffset = itemDecode(locaData, j);
Iif (endOffset > oldGlyfDataLength && (oldGlyfDataLength + 3 & ~3) === endOffset) {
endOffset = oldGlyfDataLength;
}
Iif (endOffset > oldGlyfDataLength) {
startOffset = endOffset;
}
var glyphProfile = sanitizeGlyph(oldGlyfData, startOffset, 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);
startOffset = endOffset;
}
Iif (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 < numGlyphs; i++, j += itemSize) {
itemEncode(locaData, j, simpleGlyph.length);
}
glyf.data = simpleGlyph;
} else Iif (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: missingGlyphs,
maxSizeOfInstructions: maxSizeOfInstructions
};
}
function readPostScriptTable(post, properties, 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.getBytes(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 (properties.defaultEncoding) {
glyphNames = properties.defaultEncoding;
}
break;
}
properties.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++];
Iif (inFDEF || inELSE) {
i += n;
} else {
for (j = 0; j < n; j++) {
stack.push(data[i++]);
}
}
} else if (op === 0x41) {
n = data[i++];
Iif (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) {
Eif (!inFDEF && !inELSE) {
funcId = stack[stack.length - 1];
ttContext.functionsUsed[funcId] = true;
if (funcId in ttContext.functionsStackDeltas) {
stack.length += ttContext.functionsStackDeltas[funcId];
} else Eif (funcId in ttContext.functionsDefined && functionsCalled.indexOf(funcId) < 0) {
callstack.push({
data: data,
i: i,
stackTop: stack.length - 1
});
functionsCalled.push(funcId);
pc = ttContext.functionsDefined[funcId];
Iif (!pc) {
(0, _util.warn)('TT: CALL non-existent function');
ttContext.hintsValid = false;
return;
}
data = pc.data;
i = pc.i;
}
}
} else if (op === 0x2C && !tooComplexToFollowFunctions) {
Iif (inFDEF || inELSE) {
(0, _util.warn)('TT: nested FDEFs not allowed');
tooComplexToFollowFunctions = true;
}
inFDEF = true;
lastDeff = i;
funcId = stack.pop();
ttContext.functionsDefined[funcId] = {
data: data,
i: i
};
} else if (op === 0x2D) {
if (inFDEF) {
inFDEF = false;
lastEndf = i;
} else {
pc = callstack.pop();
Iif (!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 Iif (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) {
Iif (!inFDEF && !inELSE) {
var offset = stack[stack.length - 1];
if (offset > 0) {
i += offset - 1;
}
}
}
if (!inFDEF && !inELSE) {
var stackDelta = op <= 0x8E ? TTOpsStackDeltas[op] : op >= 0xC0 && op <= 0xDF ? -1 : op >= 0xE0 ? -2 : 0;
Iif (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];
Iif (i > data.length) {
content.push(new Uint8Array(i - data.length));
}
Iif (lastDeff > lastEndf) {
(0, _util.warn)('TT: complementing a missing function tail');
content.push(new Uint8Array([0x22, 0x2D]));
}
foldTTTable(table, content);
}
function checkInvalidFunctions(ttContext, maxFunctionDefs) {
Iif (ttContext.tooComplexToFollowFunctions) {
return;
}
Iif (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++) {
Iif (j > maxFunctionDefs) {
(0, _util.warn)('TT: invalid function id: ' + j);
ttContext.hintsValid = false;
return;
}
Iif (ttContext.functionsUsed[j] && !ttContext.functionsDefined[j]) {
(0, _util.warn)('TT: undefined function: ' + j);
ttContext.hintsValid = false;
return;
}
}
}
function foldTTTable(table, content) {
Iif (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
};
Eif (fpgm) {
sanitizeTTProgram(fpgm, ttContext);
}
Eif (prep) {
sanitizeTTProgram(prep, ttContext);
}
Eif (fpgm) {
checkInvalidFunctions(ttContext, maxFunctionDefs);
}
Iif (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()));
var VALID_TABLES = ['OS/2', 'cmap', 'head', 'hhea', 'hmtx', 'maxp', 'name', 'post', 'loca', 'glyf', 'fpgm', 'prep', 'cvt ', 'CFF '];
var header = readOpenTypeHeader(font);
var numTables = header.numTables;
var cff, cffFile;
var 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;
var table;
for (var i = 0; i < numTables; i++) {
table = readTableEntry(font);
Iif (VALID_TABLES.indexOf(table.tag) < 0) {
continue;
}
Iif (table.length === 0) {
continue;
}
tables[table.tag] = table;
}
var isTrueType = !tables['CFF '];
Iif (!isTrueType) {
if (header.version === 'OTTO' && !(properties.composite && properties.cidToGidMap) || !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 {
Iif (!tables['loca']) {
throw new _util.FormatError('Required "loca" table is not found');
}
Iif (!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;
}
Iif (!tables['maxp']) {
throw new _util.FormatError('Required "maxp" table is not found');
}
font.pos = (font.start || 0) + tables['maxp'].offset;
var version = font.getInt32();
var numGlyphs = font.getUint16();
var maxFunctionDefs = 0;
var maxSizeOfInstructions = 0;
Eif (version >= 0x00010000 && tables['maxp'].length >= 22) {
font.pos += 8;
var maxZones = font.getUint16();
Iif (maxZones > 2) {
tables['maxp'].data[14] = 0;
tables['maxp'].data[15] = 2;
}
font.pos += 4;
maxFunctionDefs = font.getUint16();
font.pos += 6;
maxSizeOfInstructions = font.getUint16();
}
var dupFirstEntry = false;
Iif (properties.type === 'CIDFontType2' && properties.toUnicode && properties.toUnicode.get(0) > '\0') {
dupFirstEntry = true;
numGlyphs++;
tables['maxp'].data[4] = numGlyphs >> 8;
tables['maxp'].data[5] = numGlyphs & 255;
}
var hintsValid = sanitizeTTPrograms(tables['fpgm'], tables['prep'], tables['cvt '], maxFunctionDefs);
Iif (!hintsValid) {
delete tables['fpgm'];
delete tables['prep'];
delete tables['cvt '];
}
sanitizeMetrics(font, tables['hhea'], tables['hmtx'], numGlyphs);
Iif (!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);
Eif (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;
Eif (version >= 0x00010000 && tables['maxp'].length >= 22) {
tables['maxp'].data[26] = glyphsInfo.maxSizeOfInstructions >> 8;
tables['maxp'].data[27] = glyphsInfo.maxSizeOfInstructions & 255;
}
}
Iif (!tables['hhea']) {
throw new _util.FormatError('Required "hhea" table is not found');
}
Iif (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;
Iif (tables['post']) {
var valid = readPostScriptTable(tables['post'], properties, numGlyphs);
if (!valid) {
tables['post'] = null;
}
}
var charCodeToGlyphId = [],
charCode;
function hasGlyph(glyphId) {
return !missingGlyphs[glyphId];
}
Eif (properties.composite) {
var cidToGidMap = properties.cidToGidMap || [];
var isCidToGidMapEmpty = cidToGidMap.length === 0;
properties.cMap.forEach(function (charCode, cid) {
Iif (cid > 0xffff) {
throw new _util.FormatError('Max size of CID is 65,535');
}
var glyphId = -1;
Iif (isCidToGidMapEmpty) {
glyphId = cid;
} else if (cidToGidMap[cid] !== undefined) {
glyphId = cidToGidMap[cid];
}
if (glyphId >= 0 && glyphId < numGlyphs && hasGlyph(glyphId)) {
charCodeToGlyphId[charCode] = glyphId;
}
});
Iif (dupFirstEntry && (isCidToGidMapEmpty || !charCodeToGlyphId[0])) {
charCodeToGlyphId[0] = numGlyphs - 1;
}
} 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;
if (properties.hasEncoding && (cmapPlatformId === 3 && cmapEncodingId === 1 || cmapPlatformId === 1 && cmapEncodingId === 0) || cmapPlatformId === -1 && cmapEncodingId === -1 && !!(0, _encodings.getEncoding)(properties.baseEncodingName)) {
var baseEncoding = [];
if (properties.baseEncodingName === 'MacRomanEncoding' || properties.baseEncodingName === 'WinAnsiEncoding') {
baseEncoding = (0, _encodings.getEncoding)(properties.baseEncodingName);
}
var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
for (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);
}
var found = false;
for (i = 0; i < cmapMappingsLength; ++i) {
if (cmapMappings[i].charCode !== unicodeOrCharCode) {
continue;
}
charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
found = true;
break;
}
if (!found && properties.glyphNames) {
var glyphId = properties.glyphNames.indexOf(glyphName);
if (glyphId === -1 && standardGlyphName !== glyphName) {
glyphId = properties.glyphNames.indexOf(standardGlyphName);
}
if (glyphId > 0 && hasGlyph(glyphId)) {
charCodeToGlyphId[charCode] = glyphId;
}
}
}
} else if (cmapPlatformId === 0 && cmapEncodingId === 0) {
for (i = 0; i < cmapMappingsLength; ++i) {
charCodeToGlyphId[cmapMappings[i].charCode] = cmapMappings[i].glyphId;
}
} else {
for (i = 0; i < cmapMappingsLength; ++i) {
charCode = cmapMappings[i].charCode;
if (cmapPlatformId === 3 && charCode >= 0xF000 && charCode <= 0xF0FF) {
charCode &= 0xFF;
}
charCodeToGlyphId[charCode] = cmapMappings[i].glyphId;
}
}
}
Iif (charCodeToGlyphId.length === 0) {
charCodeToGlyphId[0] = 0;
}
var newMapping = adjustMapping(charCodeToGlyphId, properties, missingGlyphs);
this.toFontChar = newMapping.toFontChar;
tables['cmap'] = {
tag: 'cmap',
data: createCmapTable(newMapping.charCodeToGlyphId, numGlyphs)
};
Eif (!tables['OS/2'] || !validateOS2Table(tables['OS/2'])) {
tables['OS/2'] = {
tag: 'OS/2',
data: createOS2Table(properties, newMapping.charCodeToGlyphId, metricsOverride)
};
}
Eif (!tables['post']) {
tables['post'] = {
tag: 'post',
data: createPostTable(properties)
};
}
Iif (!isTrueType) {
try {
cffFile = new _stream.Stream(tables['CFF '].data);
var parser = new _cff_parser.CFFParser(cffFile, properties, SEAC_ANALYSIS_ENABLED);
cff = parser.parse();
var compiler = new _cff_parser.CFFCompiler(cff);
tables['CFF '].data = compiler.compile();
} catch (e) {
(0, _util.warn)('Failed to compile font ' + properties.loadedName);
}
}
Eif (!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);
}
var mapping = font.getGlyphMapping(properties);
var newMapping = adjustMapping(mapping, properties, Object.create(null));
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 (var 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: baseFontCharCode,
accentFontCharCode: accentFontCharCode,
accentOffset: 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 (var 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() {
if ('_shadowWidth' in this) {
return this._shadowWidth;
}
var possibleSpaceReplacements = ['space', 'minus', 'one', 'i', 'I'];
var width;
for (var i = 0, ii = possibleSpaceReplacements.length; i < ii; i++) {
var glyphName = possibleSpaceReplacements[i];
Iif (glyphName in this.widths) {
width = this.widths[glyphName];
break;
}
var glyphsUnicodeMap = (0, _glyphlist.getGlyphsUnicode)();
var glyphUnicode = glyphsUnicodeMap[glyphName];
var charcode = 0;
if (this.composite) {
Eif (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;
this._shadowWidth = width;
return 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];
var unicode = this.toUnicode.get(charcode) || this.fallbackToUnicode.get(charcode) || charcode;
Iif (typeof unicode === 'number') {
unicode = String.fromCharCode(unicode);
}
var isInFont = charcode in this.toFontChar;
fontCharCode = this.toFontChar[charcode] || charcode;
if (this.missingFile) {
fontCharCode = (0, _unicode.mapSpecialUnicodeValues)(fontCharCode);
}
Iif (this.isType3Font) {
operatorListId = fontCharCode;
}
var accent = null;
Iif (this.seacMap && this.seacMap[charcode]) {
isInFont = true;
var seac = this.seacMap[charcode];
fontCharCode = seac.baseFontCharCode;
accent = {
fontChar: String.fromCharCode(seac.accentFontCharCode),
offset: seac.accentOffset
};
}
var fontChar = String.fromCharCode(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;
}
};
return Font;
}();
var ErrorFont = function ErrorFontClosure() {
function ErrorFont(error) {
this.error = error;
this.loadedName = 'g_font_error';
this.loading = false;
}
ErrorFont.prototype = {
charsToGlyphs: function ErrorFont_charsToGlyphs() {
return [];
},
exportData: function ErrorFont_exportData() {
return { error: this.error };
}
};
return 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, _util.isSpace)(streamBytes[i])) {
i++;
}
found = true;
break;
}
i++;
}
return {
found: 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 _util.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();
for (var info in data.properties) {
properties[info] = data.properties[info];
}
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;
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);
},
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 = [0];
var i, ii;
for (i = 0; i < count; i++) {
var index = _cff_parser.CFFStandardStrings.indexOf(charstrings[i].glyphName);
if (index === -1) {
index = 0;
}
charsetArray.push(index >> 8 & 0xff, index & 0xff);
}
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++) {
var glyph = glyphs[i];
if (glyph.length === 0) {
charStringsIndex.add([0x8B, 0x0E]);
continue;
}
charStringsIndex.add(glyph);
}
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();
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);
if (cff.isCIDFont) {
for (glyphId = 0; glyphId < charsets.length; glyphId++) {
var cid = charsets[glyphId];
var charCode = properties.cMap.charCodeOf(cid);
charCodeToGlyphId[charCode] = glyphId;
}
} else {
for (glyphId = 0; glyphId < cff.charStrings.count; glyphId++) {
charCodeToGlyphId[glyphId] = glyphId;
}
}
return charCodeToGlyphId;
}
var encoding = cff.encoding ? cff.encoding.encoding : null;
charCodeToGlyphId = type1FontGlyphMapping(properties, encoding, charsets);
return charCodeToGlyphId;
}
};
return CFFFont;
}();
(function checkSeacSupport() {
Iif (typeof navigator !== 'undefined' && /Windows/.test(navigator.userAgent)) {
exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED = true;
}
})();
(function checkChromeWindows() {
Iif (typeof navigator !== 'undefined' && /Windows.*Chrome/.test(navigator.userAgent)) {
SKIP_PRIVATE_USE_RANGE_F000_TO_F01F = true;
}
})();
exports.SEAC_ANALYSIS_ENABLED = SEAC_ANALYSIS_ENABLED;
exports.PRIVATE_USE_OFFSET_START = PRIVATE_USE_OFFSET_START;
exports.PRIVATE_USE_OFFSET_END = PRIVATE_USE_OFFSET_END;
exports.ErrorFont = ErrorFont;
exports.Font = Font;
exports.FontFlags = FontFlags;
exports.ToUnicodeMap = ToUnicodeMap;
exports.IdentityToUnicodeMap = IdentityToUnicodeMap;
exports.ProblematicCharRanges = ProblematicCharRanges;
exports.getFontType = getFontType; |