/* 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.CFFCompiler = exports.CFFPrivateDict = exports.CFFTopDict = exports.CFFCharset = exports.CFFIndex = exports.CFFStrings = exports.CFFHeader = exports.CFF = exports.CFFParser = exports.CFFStandardStrings = undefined;
var _util = require('../shared/util');
var _charsets = require('./charsets');
var _encodings = require('./encodings');
var MAX_SUBR_NESTING = 10;
var CFFStandardStrings = ['.notdef', 'space', 'exclam', 'quotedbl', 'numbersign', 'dollar', 'percent', 'ampersand', 'quoteright', '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', 'quoteleft', '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', 'exclamdown', 'cent', 'sterling', 'fraction', 'yen', 'florin', 'section', 'currency', 'quotesingle', 'quotedblleft', 'guillemotleft', 'guilsinglleft', 'guilsinglright', 'fi', 'fl', 'endash', 'dagger', 'daggerdbl', 'periodcentered', 'paragraph', 'bullet', 'quotesinglbase', 'quotedblbase', 'quotedblright', 'guillemotright', 'ellipsis', 'perthousand', 'questiondown', 'grave', 'acute', 'circumflex', 'tilde', 'macron', 'breve', 'dotaccent', 'dieresis', 'ring', 'cedilla', 'hungarumlaut', 'ogonek', 'caron', 'emdash', 'AE', 'ordfeminine', 'Lslash', 'Oslash', 'OE', 'ordmasculine', 'ae', 'dotlessi', 'lslash', 'oslash', 'oe', 'germandbls', 'onesuperior', 'logicalnot', 'mu', 'trademark', 'Eth', 'onehalf', 'plusminus', 'Thorn', 'onequarter', 'divide', 'brokenbar', 'degree', 'thorn', 'threequarters', 'twosuperior', 'registered', 'minus', 'eth', 'multiply', 'threesuperior', 'copyright', 'Aacute', 'Acircumflex', 'Adieresis', 'Agrave', 'Aring', 'Atilde', 'Ccedilla', 'Eacute', 'Ecircumflex', 'Edieresis', 'Egrave', 'Iacute', 'Icircumflex', 'Idieresis', 'Igrave', 'Ntilde', 'Oacute', 'Ocircumflex', 'Odieresis', 'Ograve', 'Otilde', 'Scaron', 'Uacute', 'Ucircumflex', 'Udieresis', 'Ugrave', 'Yacute', 'Ydieresis', 'Zcaron', 'aacute', 'acircumflex', 'adieresis', 'agrave', 'aring', 'atilde', 'ccedilla', 'eacute', 'ecircumflex', 'edieresis', 'egrave', 'iacute', 'icircumflex', 'idieresis', 'igrave', 'ntilde', 'oacute', 'ocircumflex', 'odieresis', 'ograve', 'otilde', 'scaron', 'uacute', 'ucircumflex', 'udieresis', 'ugrave', 'yacute', 'ydieresis', 'zcaron', 'exclamsmall', 'Hungarumlautsmall', 'dollaroldstyle', 'dollarsuperior', 'ampersandsmall', 'Acutesmall', 'parenleftsuperior', 'parenrightsuperior', 'twodotenleader', 'onedotenleader', 'zerooldstyle', 'oneoldstyle', 'twooldstyle', 'threeoldstyle', 'fouroldstyle', 'fiveoldstyle', 'sixoldstyle', 'sevenoldstyle', 'eightoldstyle', 'nineoldstyle', 'commasuperior', 'threequartersemdash', 'periodsuperior', 'questionsmall', 'asuperior', 'bsuperior', 'centsuperior', 'dsuperior', 'esuperior', 'isuperior', 'lsuperior', 'msuperior', 'nsuperior', 'osuperior', 'rsuperior', 'ssuperior', 'tsuperior', 'ff', 'ffi', 'ffl', 'parenleftinferior', 'parenrightinferior', 'Circumflexsmall', 'hyphensuperior', 'Gravesmall', 'Asmall', 'Bsmall', 'Csmall', 'Dsmall', 'Esmall', 'Fsmall', 'Gsmall', 'Hsmall', 'Ismall', 'Jsmall', 'Ksmall', 'Lsmall', 'Msmall', 'Nsmall', 'Osmall', 'Psmall', 'Qsmall', 'Rsmall', 'Ssmall', 'Tsmall', 'Usmall', 'Vsmall', 'Wsmall', 'Xsmall', 'Ysmall', 'Zsmall', 'colonmonetary', 'onefitted', 'rupiah', 'Tildesmall', 'exclamdownsmall', 'centoldstyle', 'Lslashsmall', 'Scaronsmall', 'Zcaronsmall', 'Dieresissmall', 'Brevesmall', 'Caronsmall', 'Dotaccentsmall', 'Macronsmall', 'figuredash', 'hypheninferior', 'Ogoneksmall', 'Ringsmall', 'Cedillasmall', 'questiondownsmall', 'oneeighth', 'threeeighths', 'fiveeighths', 'seveneighths', 'onethird', 'twothirds', 'zerosuperior', 'foursuperior', 'fivesuperior', 'sixsuperior', 'sevensuperior', 'eightsuperior', 'ninesuperior', 'zeroinferior', 'oneinferior', 'twoinferior', 'threeinferior', 'fourinferior', 'fiveinferior', 'sixinferior', 'seveninferior', 'eightinferior', 'nineinferior', 'centinferior', 'dollarinferior', 'periodinferior', 'commainferior', 'Agravesmall', 'Aacutesmall', 'Acircumflexsmall', 'Atildesmall', 'Adieresissmall', 'Aringsmall', 'AEsmall', 'Ccedillasmall', 'Egravesmall', 'Eacutesmall', 'Ecircumflexsmall', 'Edieresissmall', 'Igravesmall', 'Iacutesmall', 'Icircumflexsmall', 'Idieresissmall', 'Ethsmall', 'Ntildesmall', 'Ogravesmall', 'Oacutesmall', 'Ocircumflexsmall', 'Otildesmall', 'Odieresissmall', 'OEsmall', 'Oslashsmall', 'Ugravesmall', 'Uacutesmall', 'Ucircumflexsmall', 'Udieresissmall', 'Yacutesmall', 'Thornsmall', 'Ydieresissmall', '001.000', '001.001', '001.002', '001.003', 'Black', 'Bold', 'Book', 'Light', 'Medium', 'Regular', 'Roman', 'Semibold'];
var CFFParser = function CFFParserClosure() {
var CharstringValidationData = [null, {
id: 'hstem',
min: 2,
stackClearing: true,
stem: true
}, null, {
id: 'vstem',
min: 2,
stackClearing: true,
stem: true
}, {
id: 'vmoveto',
min: 1,
stackClearing: true
}, {
id: 'rlineto',
min: 2,
resetStack: true
}, {
id: 'hlineto',
min: 1,
resetStack: true
}, {
id: 'vlineto',
min: 1,
resetStack: true
}, {
id: 'rrcurveto',
min: 6,
resetStack: true
}, null, {
id: 'callsubr',
min: 1,
undefStack: true
}, {
id: 'return',
min: 0,
undefStack: true
}, null, null, {
id: 'endchar',
min: 0,
stackClearing: true
}, null, null, null, {
id: 'hstemhm',
min: 2,
stackClearing: true,
stem: true
}, {
id: 'hintmask',
min: 0,
stackClearing: true
}, {
id: 'cntrmask',
min: 0,
stackClearing: true
}, {
id: 'rmoveto',
min: 2,
stackClearing: true
}, {
id: 'hmoveto',
min: 1,
stackClearing: true
}, {
id: 'vstemhm',
min: 2,
stackClearing: true,
stem: true
}, {
id: 'rcurveline',
min: 8,
resetStack: true
}, {
id: 'rlinecurve',
min: 8,
resetStack: true
}, {
id: 'vvcurveto',
min: 4,
resetStack: true
}, {
id: 'hhcurveto',
min: 4,
resetStack: true
}, null, {
id: 'callgsubr',
min: 1,
undefStack: true
}, {
id: 'vhcurveto',
min: 4,
resetStack: true
}, {
id: 'hvcurveto',
min: 4,
resetStack: true
}];
var CharstringValidationData12 = [null, null, null, {
id: 'and',
min: 2,
stackDelta: -1
}, {
id: 'or',
min: 2,
stackDelta: -1
}, {
id: 'not',
min: 1,
stackDelta: 0
}, null, null, null, {
id: 'abs',
min: 1,
stackDelta: 0
}, {
id: 'add',
min: 2,
stackDelta: -1,
stackFn: function stack_div(stack, index) {
stack[index - 2] = stack[index - 2] + stack[index - 1];
}
}, {
id: 'sub',
min: 2,
stackDelta: -1,
stackFn: function stack_div(stack, index) {
stack[index - 2] = stack[index - 2] - stack[index - 1];
}
}, {
id: 'div',
min: 2,
stackDelta: -1,
stackFn: function stack_div(stack, index) {
stack[index - 2] = stack[index - 2] / stack[index - 1];
}
}, null, {
id: 'neg',
min: 1,
stackDelta: 0,
stackFn: function stack_div(stack, index) {
stack[index - 1] = -stack[index - 1];
}
}, {
id: 'eq',
min: 2,
stackDelta: -1
}, null, null, {
id: 'drop',
min: 1,
stackDelta: -1
}, null, {
id: 'put',
min: 2,
stackDelta: -2
}, {
id: 'get',
min: 1,
stackDelta: 0
}, {
id: 'ifelse',
min: 4,
stackDelta: -3
}, {
id: 'random',
min: 0,
stackDelta: 1
}, {
id: 'mul',
min: 2,
stackDelta: -1,
stackFn: function stack_div(stack, index) {
stack[index - 2] = stack[index - 2] * stack[index - 1];
}
}, null, {
id: 'sqrt',
min: 1,
stackDelta: 0
}, {
id: 'dup',
min: 1,
stackDelta: 1
}, {
id: 'exch',
min: 2,
stackDelta: 0
}, {
id: 'index',
min: 2,
stackDelta: 0
}, {
id: 'roll',
min: 3,
stackDelta: -2
}, null, null, null, {
id: 'hflex',
min: 7,
resetStack: true
}, {
id: 'flex',
min: 13,
resetStack: true
}, {
id: 'hflex1',
min: 9,
resetStack: true
}, {
id: 'flex1',
min: 11,
resetStack: true
}];
function CFFParser(file, properties, seacAnalysisEnabled) {
this.bytes = file.getBytes();
this.properties = properties;
this.seacAnalysisEnabled = !!seacAnalysisEnabled;
}
CFFParser.prototype = {
parse: function CFFParser_parse() {
var properties = this.properties;
var cff = new CFF();
this.cff = cff;
var header = this.parseHeader();
var nameIndex = this.parseIndex(header.endPos);
var topDictIndex = this.parseIndex(nameIndex.endPos);
var stringIndex = this.parseIndex(topDictIndex.endPos);
var globalSubrIndex = this.parseIndex(stringIndex.endPos);
var topDictParsed = this.parseDict(topDictIndex.obj.get(0));
var topDict = this.createDict(CFFTopDict, topDictParsed, cff.strings);
cff.header = header.obj;
cff.names = this.parseNameIndex(nameIndex.obj);
cff.strings = this.parseStringIndex(stringIndex.obj);
cff.topDict = topDict;
cff.globalSubrIndex = globalSubrIndex.obj;
this.parsePrivateDict(cff.topDict);
cff.isCIDFont = topDict.hasName('ROS');
var charStringOffset = topDict.getByName('CharStrings');
var charStringIndex = this.parseIndex(charStringOffset).obj;
var fontMatrix = topDict.getByName('FontMatrix');
if (fontMatrix) {
properties.fontMatrix = fontMatrix;
}
var fontBBox = topDict.getByName('FontBBox');
if (fontBBox) {
properties.ascent = Math.max(fontBBox[3], fontBBox[1]);
properties.descent = Math.min(fontBBox[1], fontBBox[3]);
properties.ascentScaled = true;
}
var charset, encoding;
if (cff.isCIDFont) {
var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj;
for (var i = 0, ii = fdArrayIndex.count; i < ii; ++i) {
var dictRaw = fdArrayIndex.get(i);
var fontDict = this.createDict(CFFTopDict, this.parseDict(dictRaw), cff.strings);
this.parsePrivateDict(fontDict);
cff.fdArray.push(fontDict);
}
encoding = null;
charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, true);
cff.fdSelect = this.parseFDSelect(topDict.getByName('FDSelect'), charStringIndex.count);
} else {
charset = this.parseCharsets(topDict.getByName('charset'), charStringIndex.count, cff.strings, false);
encoding = this.parseEncoding(topDict.getByName('Encoding'), properties, cff.strings, charset.charset);
}
cff.charset = charset;
cff.encoding = encoding;
var charStringsAndSeacs = this.parseCharStrings({
charStrings: charStringIndex,
localSubrIndex: topDict.privateDict.subrsIndex,
globalSubrIndex: globalSubrIndex.obj,
fdSelect: cff.fdSelect,
fdArray: cff.fdArray,
privateDict: topDict.privateDict
});
cff.charStrings = charStringsAndSeacs.charStrings;
cff.seacs = charStringsAndSeacs.seacs;
cff.widths = charStringsAndSeacs.widths;
return cff;
},
parseHeader: function CFFParser_parseHeader() {
var bytes = this.bytes;
var bytesLength = bytes.length;
var offset = 0;
while (offset < bytesLength && bytes[offset] !== 1) {
++offset;
}
if (offset >= bytesLength) {
throw new _util.FormatError('Invalid CFF header');
}
if (offset !== 0) {
(0, _util.info)('cff data is shifted');
bytes = bytes.subarray(offset);
this.bytes = bytes;
}
var major = bytes[0];
var minor = bytes[1];
var hdrSize = bytes[2];
var offSize = bytes[3];
var header = new CFFHeader(major, minor, hdrSize, offSize);
return {
obj: header,
endPos: hdrSize
};
},
parseDict: function CFFParser_parseDict(dict) {
var pos = 0;
function parseOperand() {
var value = dict[pos++];
if (value === 30) {
return parseFloatOperand();
} else if (value === 28) {
value = dict[pos++];
value = (value << 24 | dict[pos++] << 16) >> 16;
return value;
} else if (value === 29) {
value = dict[pos++];
value = value << 8 | dict[pos++];
value = value << 8 | dict[pos++];
value = value << 8 | dict[pos++];
return value;
} else if (value >= 32 && value <= 246) {
return value - 139;
} else if (value >= 247 && value <= 250) {
return (value - 247) * 256 + dict[pos++] + 108;
} else if (value >= 251 && value <= 254) {
return -((value - 251) * 256) - dict[pos++] - 108;
}
(0, _util.warn)('CFFParser_parseDict: "' + value + '" is a reserved command.');
return NaN;
}
function parseFloatOperand() {
var str = '';
var eof = 15;
var lookup = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', 'E', 'E-', null, '-'];
var length = dict.length;
while (pos < length) {
var b = dict[pos++];
var b1 = b >> 4;
var b2 = b & 15;
if (b1 === eof) {
break;
}
str += lookup[b1];
if (b2 === eof) {
break;
}
str += lookup[b2];
}
return parseFloat(str);
}
var operands = [];
var entries = [];
pos = 0;
var end = dict.length;
while (pos < end) {
var b = dict[pos];
if (b <= 21) {
if (b === 12) {
b = b << 8 | dict[++pos];
}
entries.push([b, operands]);
operands = [];
++pos;
} else {
operands.push(parseOperand());
}
}
return entries;
},
parseIndex: function CFFParser_parseIndex(pos) {
var cffIndex = new CFFIndex();
var bytes = this.bytes;
var count = bytes[pos++] << 8 | bytes[pos++];
var offsets = [];
var end = pos;
var i, ii;
if (count !== 0) {
var offsetSize = bytes[pos++];
var startPos = pos + (count + 1) * offsetSize - 1;
for (i = 0, ii = count + 1; i < ii; ++i) {
var offset = 0;
for (var j = 0; j < offsetSize; ++j) {
offset <<= 8;
offset += bytes[pos++];
}
offsets.push(startPos + offset);
}
end = offsets[count];
}
for (i = 0, ii = offsets.length - 1; i < ii; ++i) {
var offsetStart = offsets[i];
var offsetEnd = offsets[i + 1];
cffIndex.add(bytes.subarray(offsetStart, offsetEnd));
}
return {
obj: cffIndex,
endPos: end
};
},
parseNameIndex: function CFFParser_parseNameIndex(index) {
var names = [];
for (var i = 0, ii = index.count; i < ii; ++i) {
var name = index.get(i);
names.push((0, _util.bytesToString)(name));
}
return names;
},
parseStringIndex: function CFFParser_parseStringIndex(index) {
var strings = new CFFStrings();
for (var i = 0, ii = index.count; i < ii; ++i) {
var data = index.get(i);
strings.add((0, _util.bytesToString)(data));
}
return strings;
},
createDict: function CFFParser_createDict(Type, dict, strings) {
var cffDict = new Type(strings);
for (var i = 0, ii = dict.length; i < ii; ++i) {
var pair = dict[i];
var key = pair[0];
var value = pair[1];
cffDict.setByKey(key, value);
}
return cffDict;
},
parseCharString: function CFFParser_parseCharString(state, data, localSubrIndex, globalSubrIndex) {
if (!data || state.callDepth > MAX_SUBR_NESTING) {
return false;
}
var stackSize = state.stackSize;
var stack = state.stack;
var length = data.length;
for (var j = 0; j < length;) {
var value = data[j++];
var validationCommand = null;
if (value === 12) {
var q = data[j++];
if (q === 0) {
data[j - 2] = 139;
data[j - 1] = 22;
stackSize = 0;
} else {
validationCommand = CharstringValidationData12[q];
}
} else if (value === 28) {
stack[stackSize] = (data[j] << 24 | data[j + 1] << 16) >> 16;
j += 2;
stackSize++;
} else if (value === 14) {
if (stackSize >= 4) {
stackSize -= 4;
if (this.seacAnalysisEnabled) {
state.seac = stack.slice(stackSize, stackSize + 4);
return false;
}
}
validationCommand = CharstringValidationData[value];
} else if (value >= 32 && value <= 246) {
stack[stackSize] = value - 139;
stackSize++;
} else if (value >= 247 && value <= 254) {
stack[stackSize] = value < 251 ? (value - 247 << 8) + data[j] + 108 : -(value - 251 << 8) - data[j] - 108;
j++;
stackSize++;
} else if (value === 255) {
stack[stackSize] = (data[j] << 24 | data[j + 1] << 16 | data[j + 2] << 8 | data[j + 3]) / 65536;
j += 4;
stackSize++;
} else if (value === 19 || value === 20) {
state.hints += stackSize >> 1;
j += state.hints + 7 >> 3;
stackSize %= 2;
validationCommand = CharstringValidationData[value];
} else if (value === 10 || value === 29) {
var subrsIndex;
if (value === 10) {
subrsIndex = localSubrIndex;
} else {
subrsIndex = globalSubrIndex;
}
if (!subrsIndex) {
validationCommand = CharstringValidationData[value];
(0, _util.warn)('Missing subrsIndex for ' + validationCommand.id);
return false;
}
var bias = 32768;
if (subrsIndex.count < 1240) {
bias = 107;
} else if (subrsIndex.count < 33900) {
bias = 1131;
}
var subrNumber = stack[--stackSize] + bias;
if (subrNumber < 0 || subrNumber >= subrsIndex.count || isNaN(subrNumber)) {
validationCommand = CharstringValidationData[value];
(0, _util.warn)('Out of bounds subrIndex for ' + validationCommand.id);
return false;
}
state.stackSize = stackSize;
state.callDepth++;
var valid = this.parseCharString(state, subrsIndex.get(subrNumber), localSubrIndex, globalSubrIndex);
if (!valid) {
return false;
}
state.callDepth--;
stackSize = state.stackSize;
continue;
} else if (value === 11) {
state.stackSize = stackSize;
return true;
} else {
validationCommand = CharstringValidationData[value];
}
if (validationCommand) {
if (validationCommand.stem) {
state.hints += stackSize >> 1;
}
if ('min' in validationCommand) {
if (!state.undefStack && stackSize < validationCommand.min) {
(0, _util.warn)('Not enough parameters for ' + validationCommand.id + '; actual: ' + stackSize + ', expected: ' + validationCommand.min);
return false;
}
}
if (state.firstStackClearing && validationCommand.stackClearing) {
state.firstStackClearing = false;
stackSize -= validationCommand.min;
if (stackSize >= 2 && validationCommand.stem) {
stackSize %= 2;
} else if (stackSize > 1) {
(0, _util.warn)('Found too many parameters for stack-clearing command');
}
if (stackSize > 0 && stack[stackSize - 1] >= 0) {
state.width = stack[stackSize - 1];
}
}
if ('stackDelta' in validationCommand) {
if ('stackFn' in validationCommand) {
validationCommand.stackFn(stack, stackSize);
}
stackSize += validationCommand.stackDelta;
} else if (validationCommand.stackClearing) {
stackSize = 0;
} else if (validationCommand.resetStack) {
stackSize = 0;
state.undefStack = false;
} else if (validationCommand.undefStack) {
stackSize = 0;
state.undefStack = true;
state.firstStackClearing = false;
}
}
}
state.stackSize = stackSize;
return true;
},
parseCharStrings: function parseCharStrings(_ref) {
var charStrings = _ref.charStrings,
localSubrIndex = _ref.localSubrIndex,
globalSubrIndex = _ref.globalSubrIndex,
fdSelect = _ref.fdSelect,
fdArray = _ref.fdArray,
privateDict = _ref.privateDict;
var seacs = [];
var widths = [];
var count = charStrings.count;
for (var i = 0; i < count; i++) {
var charstring = charStrings.get(i);
var state = {
callDepth: 0,
stackSize: 0,
stack: [],
undefStack: true,
hints: 0,
firstStackClearing: true,
seac: null,
width: null
};
var valid = true;
var localSubrToUse = null;
var privateDictToUse = privateDict;
if (fdSelect && fdArray.length) {
var fdIndex = fdSelect.getFDIndex(i);
if (fdIndex === -1) {
(0, _util.warn)('Glyph index is not in fd select.');
valid = false;
}
if (fdIndex >= fdArray.length) {
(0, _util.warn)('Invalid fd index for glyph index.');
valid = false;
}
if (valid) {
privateDictToUse = fdArray[fdIndex].privateDict;
localSubrToUse = privateDictToUse.subrsIndex;
}
} else if (localSubrIndex) {
localSubrToUse = localSubrIndex;
}
if (valid) {
valid = this.parseCharString(state, charstring, localSubrToUse, globalSubrIndex);
}
if (state.width !== null) {
var nominalWidth = privateDictToUse.getByName('nominalWidthX');
widths[i] = nominalWidth + state.width;
} else {
var defaultWidth = privateDictToUse.getByName('defaultWidthX');
widths[i] = defaultWidth;
}
if (state.seac !== null) {
seacs[i] = state.seac;
}
if (!valid) {
charStrings.set(i, new Uint8Array([14]));
}
}
return {
charStrings: charStrings,
seacs: seacs,
widths: widths
};
},
emptyPrivateDictionary: function CFFParser_emptyPrivateDictionary(parentDict) {
var privateDict = this.createDict(CFFPrivateDict, [], parentDict.strings);
parentDict.setByKey(18, [0, 0]);
parentDict.privateDict = privateDict;
},
parsePrivateDict: function CFFParser_parsePrivateDict(parentDict) {
if (!parentDict.hasName('Private')) {
this.emptyPrivateDictionary(parentDict);
return;
}
var privateOffset = parentDict.getByName('Private');
if (!Array.isArray(privateOffset) || privateOffset.length !== 2) {
parentDict.removeByName('Private');
return;
}
var size = privateOffset[0];
var offset = privateOffset[1];
if (size === 0 || offset >= this.bytes.length) {
this.emptyPrivateDictionary(parentDict);
return;
}
var privateDictEnd = offset + size;
var dictData = this.bytes.subarray(offset, privateDictEnd);
var dict = this.parseDict(dictData);
var privateDict = this.createDict(CFFPrivateDict, dict, parentDict.strings);
parentDict.privateDict = privateDict;
if (!privateDict.getByName('Subrs')) {
return;
}
var subrsOffset = privateDict.getByName('Subrs');
var relativeOffset = offset + subrsOffset;
if (subrsOffset === 0 || relativeOffset >= this.bytes.length) {
this.emptyPrivateDictionary(parentDict);
return;
}
var subrsIndex = this.parseIndex(relativeOffset);
privateDict.subrsIndex = subrsIndex.obj;
},
parseCharsets: function CFFParser_parseCharsets(pos, length, strings, cid) {
if (pos === 0) {
return new CFFCharset(true, CFFCharsetPredefinedTypes.ISO_ADOBE, _charsets.ISOAdobeCharset);
} else if (pos === 1) {
return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT, _charsets.ExpertCharset);
} else if (pos === 2) {
return new CFFCharset(true, CFFCharsetPredefinedTypes.EXPERT_SUBSET, _charsets.ExpertSubsetCharset);
}
var bytes = this.bytes;
var start = pos;
var format = bytes[pos++];
var charset = ['.notdef'];
var id, count, i;
length -= 1;
switch (format) {
case 0:
for (i = 0; i < length; i++) {
id = bytes[pos++] << 8 | bytes[pos++];
charset.push(cid ? id : strings.get(id));
}
break;
case 1:
while (charset.length <= length) {
id = bytes[pos++] << 8 | bytes[pos++];
count = bytes[pos++];
for (i = 0; i <= count; i++) {
charset.push(cid ? id++ : strings.get(id++));
}
}
break;
case 2:
while (charset.length <= length) {
id = bytes[pos++] << 8 | bytes[pos++];
count = bytes[pos++] << 8 | bytes[pos++];
for (i = 0; i <= count; i++) {
charset.push(cid ? id++ : strings.get(id++));
}
}
break;
default:
throw new _util.FormatError('Unknown charset format');
}
var end = pos;
var raw = bytes.subarray(start, end);
return new CFFCharset(false, format, charset, raw);
},
parseEncoding: function CFFParser_parseEncoding(pos, properties, strings, charset) {
var encoding = Object.create(null);
var bytes = this.bytes;
var predefined = false;
var format, i, ii;
var raw = null;
function readSupplement() {
var supplementsCount = bytes[pos++];
for (i = 0; i < supplementsCount; i++) {
var code = bytes[pos++];
var sid = (bytes[pos++] << 8) + (bytes[pos++] & 0xff);
encoding[code] = charset.indexOf(strings.get(sid));
}
}
if (pos === 0 || pos === 1) {
predefined = true;
format = pos;
var baseEncoding = pos ? _encodings.ExpertEncoding : _encodings.StandardEncoding;
for (i = 0, ii = charset.length; i < ii; i++) {
var index = baseEncoding.indexOf(charset[i]);
if (index !== -1) {
encoding[index] = i;
}
}
} else {
var dataStart = pos;
format = bytes[pos++];
switch (format & 0x7f) {
case 0:
var glyphsCount = bytes[pos++];
for (i = 1; i <= glyphsCount; i++) {
encoding[bytes[pos++]] = i;
}
break;
case 1:
var rangesCount = bytes[pos++];
var gid = 1;
for (i = 0; i < rangesCount; i++) {
var start = bytes[pos++];
var left = bytes[pos++];
for (var j = start; j <= start + left; j++) {
encoding[j] = gid++;
}
}
break;
default:
throw new _util.FormatError('Unknown encoding format: ' + format + ' in CFF');
}
var dataEnd = pos;
if (format & 0x80) {
bytes[dataStart] &= 0x7f;
readSupplement();
}
raw = bytes.subarray(dataStart, dataEnd);
}
format = format & 0x7f;
return new CFFEncoding(predefined, format, encoding, raw);
},
parseFDSelect: function CFFParser_parseFDSelect(pos, length) {
var start = pos;
var bytes = this.bytes;
var format = bytes[pos++];
var fdSelect = [],
rawBytes;
var i,
invalidFirstGID = false;
switch (format) {
case 0:
for (i = 0; i < length; ++i) {
var id = bytes[pos++];
fdSelect.push(id);
}
rawBytes = bytes.subarray(start, pos);
break;
case 3:
var rangesCount = bytes[pos++] << 8 | bytes[pos++];
for (i = 0; i < rangesCount; ++i) {
var first = bytes[pos++] << 8 | bytes[pos++];
if (i === 0 && first !== 0) {
(0, _util.warn)('parseFDSelect: The first range must have a first GID of 0' + ' -- trying to recover.');
invalidFirstGID = true;
first = 0;
}
var fdIndex = bytes[pos++];
var next = bytes[pos] << 8 | bytes[pos + 1];
for (var j = first; j < next; ++j) {
fdSelect.push(fdIndex);
}
}
pos += 2;
rawBytes = bytes.subarray(start, pos);
if (invalidFirstGID) {
rawBytes[3] = rawBytes[4] = 0;
}
break;
default:
throw new _util.FormatError('parseFDSelect: Unknown format "' + format + '".');
}
if (fdSelect.length !== length) {
throw new _util.FormatError('parseFDSelect: Invalid font data.');
}
return new CFFFDSelect(fdSelect, rawBytes);
}
};
return CFFParser;
}();
var CFF = function CFFClosure() {
function CFF() {
this.header = null;
this.names = [];
this.topDict = null;
this.strings = new CFFStrings();
this.globalSubrIndex = null;
this.encoding = null;
this.charset = null;
this.charStrings = null;
this.fdArray = [];
this.fdSelect = null;
this.isCIDFont = false;
}
return CFF;
}();
var CFFHeader = function CFFHeaderClosure() {
function CFFHeader(major, minor, hdrSize, offSize) {
this.major = major;
this.minor = minor;
this.hdrSize = hdrSize;
this.offSize = offSize;
}
return CFFHeader;
}();
var CFFStrings = function CFFStringsClosure() {
function CFFStrings() {
this.strings = [];
}
CFFStrings.prototype = {
get: function CFFStrings_get(index) {
if (index >= 0 && index <= 390) {
return CFFStandardStrings[index];
}
if (index - 391 <= this.strings.length) {
return this.strings[index - 391];
}
return CFFStandardStrings[0];
},
add: function CFFStrings_add(value) {
this.strings.push(value);
},
get count() {
return this.strings.length;
}
};
return CFFStrings;
}();
var CFFIndex = function CFFIndexClosure() {
function CFFIndex() {
this.objects = [];
this.length = 0;
}
CFFIndex.prototype = {
add: function CFFIndex_add(data) {
this.length += data.length;
this.objects.push(data);
},
set: function CFFIndex_set(index, data) {
this.length += data.length - this.objects[index].length;
this.objects[index] = data;
},
get: function CFFIndex_get(index) {
return this.objects[index];
},
get count() {
return this.objects.length;
}
};
return CFFIndex;
}();
var CFFDict = function CFFDictClosure() {
function CFFDict(tables, strings) {
this.keyToNameMap = tables.keyToNameMap;
this.nameToKeyMap = tables.nameToKeyMap;
this.defaults = tables.defaults;
this.types = tables.types;
this.opcodes = tables.opcodes;
this.order = tables.order;
this.strings = strings;
this.values = Object.create(null);
}
CFFDict.prototype = {
setByKey: function CFFDict_setByKey(key, value) {
if (!(key in this.keyToNameMap)) {
return false;
}
var valueLength = value.length;
if (valueLength === 0) {
return true;
}
for (var i = 0; i < valueLength; i++) {
if (isNaN(value[i])) {
(0, _util.warn)('Invalid CFFDict value: "' + value + '" for key "' + key + '".');
return true;
}
}
var type = this.types[key];
if (type === 'num' || type === 'sid' || type === 'offset') {
value = value[0];
}
this.values[key] = value;
return true;
},
setByName: function CFFDict_setByName(name, value) {
if (!(name in this.nameToKeyMap)) {
throw new _util.FormatError('Invalid dictionary name "' + name + '"');
}
this.values[this.nameToKeyMap[name]] = value;
},
hasName: function CFFDict_hasName(name) {
return this.nameToKeyMap[name] in this.values;
},
getByName: function CFFDict_getByName(name) {
if (!(name in this.nameToKeyMap)) {
throw new _util.FormatError('Invalid dictionary name ' + name + '"');
}
var key = this.nameToKeyMap[name];
if (!(key in this.values)) {
return this.defaults[key];
}
return this.values[key];
},
removeByName: function CFFDict_removeByName(name) {
delete this.values[this.nameToKeyMap[name]];
}
};
CFFDict.createTables = function CFFDict_createTables(layout) {
var tables = {
keyToNameMap: {},
nameToKeyMap: {},
defaults: {},
types: {},
opcodes: {},
order: []
};
for (var i = 0, ii = layout.length; i < ii; ++i) {
var entry = layout[i];
var key = Array.isArray(entry[0]) ? (entry[0][0] << 8) + entry[0][1] : entry[0];
tables.keyToNameMap[key] = entry[1];
tables.nameToKeyMap[entry[1]] = key;
tables.types[key] = entry[2];
tables.defaults[key] = entry[3];
tables.opcodes[key] = Array.isArray(entry[0]) ? entry[0] : [entry[0]];
tables.order.push(key);
}
return tables;
};
return CFFDict;
}();
var CFFTopDict = function CFFTopDictClosure() {
var layout = [[[12, 30], 'ROS', ['sid', 'sid', 'num'], null], [[12, 20], 'SyntheticBase', 'num', null], [0, 'version', 'sid', null], [1, 'Notice', 'sid', null], [[12, 0], 'Copyright', 'sid', null], [2, 'FullName', 'sid', null], [3, 'FamilyName', 'sid', null], [4, 'Weight', 'sid', null], [[12, 1], 'isFixedPitch', 'num', 0], [[12, 2], 'ItalicAngle', 'num', 0], [[12, 3], 'UnderlinePosition', 'num', -100], [[12, 4], 'UnderlineThickness', 'num', 50], [[12, 5], 'PaintType', 'num', 0], [[12, 6], 'CharstringType', 'num', 2], [[12, 7], 'FontMatrix', ['num', 'num', 'num', 'num', 'num', 'num'], [0.001, 0, 0, 0.001, 0, 0]], [13, 'UniqueID', 'num', null], [5, 'FontBBox', ['num', 'num', 'num', 'num'], [0, 0, 0, 0]], [[12, 8], 'StrokeWidth', 'num', 0], [14, 'XUID', 'array', null], [15, 'charset', 'offset', 0], [16, 'Encoding', 'offset', 0], [17, 'CharStrings', 'offset', 0], [18, 'Private', ['offset', 'offset'], null], [[12, 21], 'PostScript', 'sid', null], [[12, 22], 'BaseFontName', 'sid', null], [[12, 23], 'BaseFontBlend', 'delta', null], [[12, 31], 'CIDFontVersion', 'num', 0], [[12, 32], 'CIDFontRevision', 'num', 0], [[12, 33], 'CIDFontType', 'num', 0], [[12, 34], 'CIDCount', 'num', 8720], [[12, 35], 'UIDBase', 'num', null], [[12, 37], 'FDSelect', 'offset', null], [[12, 36], 'FDArray', 'offset', null], [[12, 38], 'FontName', 'sid', null]];
var tables = null;
function CFFTopDict(strings) {
if (tables === null) {
tables = CFFDict.createTables(layout);
}
CFFDict.call(this, tables, strings);
this.privateDict = null;
}
CFFTopDict.prototype = Object.create(CFFDict.prototype);
return CFFTopDict;
}();
var CFFPrivateDict = function CFFPrivateDictClosure() {
var layout = [[6, 'BlueValues', 'delta', null], [7, 'OtherBlues', 'delta', null], [8, 'FamilyBlues', 'delta', null], [9, 'FamilyOtherBlues', 'delta', null], [[12, 9], 'BlueScale', 'num', 0.039625], [[12, 10], 'BlueShift', 'num', 7], [[12, 11], 'BlueFuzz', 'num', 1], [10, 'StdHW', 'num', null], [11, 'StdVW', 'num', null], [[12, 12], 'StemSnapH', 'delta', null], [[12, 13], 'StemSnapV', 'delta', null], [[12, 14], 'ForceBold', 'num', 0], [[12, 17], 'LanguageGroup', 'num', 0], [[12, 18], 'ExpansionFactor', 'num', 0.06], [[12, 19], 'initialRandomSeed', 'num', 0], [20, 'defaultWidthX', 'num', 0], [21, 'nominalWidthX', 'num', 0], [19, 'Subrs', 'offset', null]];
var tables = null;
function CFFPrivateDict(strings) {
if (tables === null) {
tables = CFFDict.createTables(layout);
}
CFFDict.call(this, tables, strings);
this.subrsIndex = null;
}
CFFPrivateDict.prototype = Object.create(CFFDict.prototype);
return CFFPrivateDict;
}();
var CFFCharsetPredefinedTypes = {
ISO_ADOBE: 0,
EXPERT: 1,
EXPERT_SUBSET: 2
};
var CFFCharset = function CFFCharsetClosure() {
function CFFCharset(predefined, format, charset, raw) {
this.predefined = predefined;
this.format = format;
this.charset = charset;
this.raw = raw;
}
return CFFCharset;
}();
var CFFEncoding = function CFFEncodingClosure() {
function CFFEncoding(predefined, format, encoding, raw) {
this.predefined = predefined;
this.format = format;
this.encoding = encoding;
this.raw = raw;
}
return CFFEncoding;
}();
var CFFFDSelect = function CFFFDSelectClosure() {
function CFFFDSelect(fdSelect, raw) {
this.fdSelect = fdSelect;
this.raw = raw;
}
CFFFDSelect.prototype = {
getFDIndex: function CFFFDSelect_get(glyphIndex) {
if (glyphIndex < 0 || glyphIndex >= this.fdSelect.length) {
return -1;
}
return this.fdSelect[glyphIndex];
}
};
return CFFFDSelect;
}();
var CFFOffsetTracker = function CFFOffsetTrackerClosure() {
function CFFOffsetTracker() {
this.offsets = Object.create(null);
}
CFFOffsetTracker.prototype = {
isTracking: function CFFOffsetTracker_isTracking(key) {
return key in this.offsets;
},
track: function CFFOffsetTracker_track(key, location) {
if (key in this.offsets) {
throw new _util.FormatError('Already tracking location of ' + key);
}
this.offsets[key] = location;
},
offset: function CFFOffsetTracker_offset(value) {
for (var key in this.offsets) {
this.offsets[key] += value;
}
},
setEntryLocation: function CFFOffsetTracker_setEntryLocation(key, values, output) {
if (!(key in this.offsets)) {
throw new _util.FormatError('Not tracking location of ' + key);
}
var data = output.data;
var dataOffset = this.offsets[key];
var size = 5;
for (var i = 0, ii = values.length; i < ii; ++i) {
var offset0 = i * size + dataOffset;
var offset1 = offset0 + 1;
var offset2 = offset0 + 2;
var offset3 = offset0 + 3;
var offset4 = offset0 + 4;
if (data[offset0] !== 0x1d || data[offset1] !== 0 || data[offset2] !== 0 || data[offset3] !== 0 || data[offset4] !== 0) {
throw new _util.FormatError('writing to an offset that is not empty');
}
var value = values[i];
data[offset0] = 0x1d;
data[offset1] = value >> 24 & 0xFF;
data[offset2] = value >> 16 & 0xFF;
data[offset3] = value >> 8 & 0xFF;
data[offset4] = value & 0xFF;
}
}
};
return CFFOffsetTracker;
}();
var CFFCompiler = function CFFCompilerClosure() {
function CFFCompiler(cff) {
this.cff = cff;
}
CFFCompiler.prototype = {
compile: function CFFCompiler_compile() {
var cff = this.cff;
var output = {
data: [],
length: 0,
add: function CFFCompiler_add(data) {
this.data = this.data.concat(data);
this.length = this.data.length;
}
};
var header = this.compileHeader(cff.header);
output.add(header);
var nameIndex = this.compileNameIndex(cff.names);
output.add(nameIndex);
if (cff.isCIDFont) {
if (cff.topDict.hasName('FontMatrix')) {
var base = cff.topDict.getByName('FontMatrix');
cff.topDict.removeByName('FontMatrix');
for (var i = 0, ii = cff.fdArray.length; i < ii; i++) {
var subDict = cff.fdArray[i];
var matrix = base.slice(0);
if (subDict.hasName('FontMatrix')) {
matrix = _util.Util.transform(matrix, subDict.getByName('FontMatrix'));
}
subDict.setByName('FontMatrix', matrix);
}
}
}
var compiled = this.compileTopDicts([cff.topDict], output.length, cff.isCIDFont);
output.add(compiled.output);
var topDictTracker = compiled.trackers[0];
var stringIndex = this.compileStringIndex(cff.strings.strings);
output.add(stringIndex);
var globalSubrIndex = this.compileIndex(cff.globalSubrIndex);
output.add(globalSubrIndex);
if (cff.encoding && cff.topDict.hasName('Encoding')) {
if (cff.encoding.predefined) {
topDictTracker.setEntryLocation('Encoding', [cff.encoding.format], output);
} else {
var encoding = this.compileEncoding(cff.encoding);
topDictTracker.setEntryLocation('Encoding', [output.length], output);
output.add(encoding);
}
}
if (cff.charset && cff.topDict.hasName('charset')) {
if (cff.charset.predefined) {
topDictTracker.setEntryLocation('charset', [cff.charset.format], output);
} else {
var charset = this.compileCharset(cff.charset);
topDictTracker.setEntryLocation('charset', [output.length], output);
output.add(charset);
}
}
var charStrings = this.compileCharStrings(cff.charStrings);
topDictTracker.setEntryLocation('CharStrings', [output.length], output);
output.add(charStrings);
if (cff.isCIDFont) {
topDictTracker.setEntryLocation('FDSelect', [output.length], output);
var fdSelect = this.compileFDSelect(cff.fdSelect.raw);
output.add(fdSelect);
compiled = this.compileTopDicts(cff.fdArray, output.length, true);
topDictTracker.setEntryLocation('FDArray', [output.length], output);
output.add(compiled.output);
var fontDictTrackers = compiled.trackers;
this.compilePrivateDicts(cff.fdArray, fontDictTrackers, output);
}
this.compilePrivateDicts([cff.topDict], [topDictTracker], output);
output.add([0]);
return output.data;
},
encodeNumber: function CFFCompiler_encodeNumber(value) {
if (parseFloat(value) === parseInt(value, 10) && !isNaN(value)) {
return this.encodeInteger(value);
}
return this.encodeFloat(value);
},
encodeFloat: function CFFCompiler_encodeFloat(num) {
var value = num.toString();
var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value);
if (m) {
var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length));
value = (Math.round(num * epsilon) / epsilon).toString();
}
var nibbles = '';
var i, ii;
for (i = 0, ii = value.length; i < ii; ++i) {
var a = value[i];
if (a === 'e') {
nibbles += value[++i] === '-' ? 'c' : 'b';
} else if (a === '.') {
nibbles += 'a';
} else if (a === '-') {
nibbles += 'e';
} else {
nibbles += a;
}
}
nibbles += nibbles.length & 1 ? 'f' : 'ff';
var out = [30];
for (i = 0, ii = nibbles.length; i < ii; i += 2) {
out.push(parseInt(nibbles.substr(i, 2), 16));
}
return out;
},
encodeInteger: function CFFCompiler_encodeInteger(value) {
var code;
if (value >= -107 && value <= 107) {
code = [value + 139];
} else if (value >= 108 && value <= 1131) {
value = value - 108;
code = [(value >> 8) + 247, value & 0xFF];
} else if (value >= -1131 && value <= -108) {
value = -value - 108;
code = [(value >> 8) + 251, value & 0xFF];
} else if (value >= -32768 && value <= 32767) {
code = [0x1c, value >> 8 & 0xFF, value & 0xFF];
} else {
code = [0x1d, value >> 24 & 0xFF, value >> 16 & 0xFF, value >> 8 & 0xFF, value & 0xFF];
}
return code;
},
compileHeader: function CFFCompiler_compileHeader(header) {
return [header.major, header.minor, header.hdrSize, header.offSize];
},
compileNameIndex: function CFFCompiler_compileNameIndex(names) {
var nameIndex = new CFFIndex();
for (var i = 0, ii = names.length; i < ii; ++i) {
var name = names[i];
var length = Math.min(name.length, 127);
var sanitizedName = new Array(length);
for (var j = 0; j < length; j++) {
var char = name[j];
if (char < '!' || char > '~' || char === '[' || char === ']' || char === '(' || char === ')' || char === '{' || char === '}' || char === '<' || char === '>' || char === '/' || char === '%') {
char = '_';
}
sanitizedName[j] = char;
}
sanitizedName = sanitizedName.join('');
if (sanitizedName === '') {
sanitizedName = 'Bad_Font_Name';
}
nameIndex.add((0, _util.stringToBytes)(sanitizedName));
}
return this.compileIndex(nameIndex);
},
compileTopDicts: function CFFCompiler_compileTopDicts(dicts, length, removeCidKeys) {
var fontDictTrackers = [];
var fdArrayIndex = new CFFIndex();
for (var i = 0, ii = dicts.length; i < ii; ++i) {
var fontDict = dicts[i];
if (removeCidKeys) {
fontDict.removeByName('CIDFontVersion');
fontDict.removeByName('CIDFontRevision');
fontDict.removeByName('CIDFontType');
fontDict.removeByName('CIDCount');
fontDict.removeByName('UIDBase');
}
var fontDictTracker = new CFFOffsetTracker();
var fontDictData = this.compileDict(fontDict, fontDictTracker);
fontDictTrackers.push(fontDictTracker);
fdArrayIndex.add(fontDictData);
fontDictTracker.offset(length);
}
fdArrayIndex = this.compileIndex(fdArrayIndex, fontDictTrackers);
return {
trackers: fontDictTrackers,
output: fdArrayIndex
};
},
compilePrivateDicts: function CFFCompiler_compilePrivateDicts(dicts, trackers, output) {
for (var i = 0, ii = dicts.length; i < ii; ++i) {
var fontDict = dicts[i];
var privateDict = fontDict.privateDict;
if (!privateDict || !fontDict.hasName('Private')) {
throw new _util.FormatError('There must be a private dictionary.');
}
var privateDictTracker = new CFFOffsetTracker();
var privateDictData = this.compileDict(privateDict, privateDictTracker);
var outputLength = output.length;
privateDictTracker.offset(outputLength);
if (!privateDictData.length) {
outputLength = 0;
}
trackers[i].setEntryLocation('Private', [privateDictData.length, outputLength], output);
output.add(privateDictData);
if (privateDict.subrsIndex && privateDict.hasName('Subrs')) {
var subrs = this.compileIndex(privateDict.subrsIndex);
privateDictTracker.setEntryLocation('Subrs', [privateDictData.length], output);
output.add(subrs);
}
}
},
compileDict: function CFFCompiler_compileDict(dict, offsetTracker) {
var out = [];
var order = dict.order;
for (var i = 0; i < order.length; ++i) {
var key = order[i];
if (!(key in dict.values)) {
continue;
}
var values = dict.values[key];
var types = dict.types[key];
if (!Array.isArray(types)) {
types = [types];
}
if (!Array.isArray(values)) {
values = [values];
}
if (values.length === 0) {
continue;
}
for (var j = 0, jj = types.length; j < jj; ++j) {
var type = types[j];
var value = values[j];
switch (type) {
case 'num':
case 'sid':
out = out.concat(this.encodeNumber(value));
break;
case 'offset':
var name = dict.keyToNameMap[key];
if (!offsetTracker.isTracking(name)) {
offsetTracker.track(name, out.length);
}
out = out.concat([0x1d, 0, 0, 0, 0]);
break;
case 'array':
case 'delta':
out = out.concat(this.encodeNumber(value));
for (var k = 1, kk = values.length; k < kk; ++k) {
out = out.concat(this.encodeNumber(values[k]));
}
break;
default:
throw new _util.FormatError('Unknown data type of ' + type);
}
}
out = out.concat(dict.opcodes[key]);
}
return out;
},
compileStringIndex: function CFFCompiler_compileStringIndex(strings) {
var stringIndex = new CFFIndex();
for (var i = 0, ii = strings.length; i < ii; ++i) {
stringIndex.add((0, _util.stringToBytes)(strings[i]));
}
return this.compileIndex(stringIndex);
},
compileGlobalSubrIndex: function CFFCompiler_compileGlobalSubrIndex() {
var globalSubrIndex = this.cff.globalSubrIndex;
this.out.writeByteArray(this.compileIndex(globalSubrIndex));
},
compileCharStrings: function CFFCompiler_compileCharStrings(charStrings) {
return this.compileIndex(charStrings);
},
compileCharset: function CFFCompiler_compileCharset(charset) {
return this.compileTypedArray(charset.raw);
},
compileEncoding: function CFFCompiler_compileEncoding(encoding) {
return this.compileTypedArray(encoding.raw);
},
compileFDSelect: function CFFCompiler_compileFDSelect(fdSelect) {
return this.compileTypedArray(fdSelect);
},
compileTypedArray: function CFFCompiler_compileTypedArray(data) {
var out = [];
for (var i = 0, ii = data.length; i < ii; ++i) {
out[i] = data[i];
}
return out;
},
compileIndex: function CFFCompiler_compileIndex(index, trackers) {
trackers = trackers || [];
var objects = index.objects;
var count = objects.length;
if (count === 0) {
return [0, 0, 0];
}
var data = [count >> 8 & 0xFF, count & 0xff];
var lastOffset = 1,
i;
for (i = 0; i < count; ++i) {
lastOffset += objects[i].length;
}
var offsetSize;
if (lastOffset < 0x100) {
offsetSize = 1;
} else if (lastOffset < 0x10000) {
offsetSize = 2;
} else if (lastOffset < 0x1000000) {
offsetSize = 3;
} else {
offsetSize = 4;
}
data.push(offsetSize);
var relativeOffset = 1;
for (i = 0; i < count + 1; i++) {
if (offsetSize === 1) {
data.push(relativeOffset & 0xFF);
} else if (offsetSize === 2) {
data.push(relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
} else if (offsetSize === 3) {
data.push(relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
} else {
data.push(relativeOffset >>> 24 & 0xFF, relativeOffset >> 16 & 0xFF, relativeOffset >> 8 & 0xFF, relativeOffset & 0xFF);
}
if (objects[i]) {
relativeOffset += objects[i].length;
}
}
for (i = 0; i < count; i++) {
if (trackers[i]) {
trackers[i].offset(data.length);
}
for (var j = 0, jj = objects[i].length; j < jj; j++) {
data.push(objects[i][j]);
}
}
return data;
}
};
return CFFCompiler;
}();
exports.CFFStandardStrings = CFFStandardStrings;
exports.CFFParser = CFFParser;
exports.CFF = CFF;
exports.CFFHeader = CFFHeader;
exports.CFFStrings = CFFStrings;
exports.CFFIndex = CFFIndex;
exports.CFFCharset = CFFCharset;
exports.CFFTopDict = CFFTopDict;
exports.CFFPrivateDict = CFFPrivateDict;
exports.CFFCompiler = CFFCompiler;