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Merge pull request #2581 from brendandahl/fix-cid

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Fix normalized CID fonts for direct write 6.1.
This commit is contained in:
Yury Delendik 2013-01-25 06:23:17 -08:00
commit 9a58bc9aba
1 changed files with 23 additions and 32 deletions
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src/fonts.js
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@ -5366,7 +5366,7 @@ var CFFFont = (function CFFFontClosure() {
this.properties = properties;
var parser = new CFFParser(file, properties);
var cff = parser.parse(true);
var cff = parser.parse();
var compiler = new CFFCompiler(cff);
this.readExtra(cff);
try {
@ -5531,7 +5531,7 @@ var CFFParser = (function CFFParserClosure() {
this.properties = properties;
}
CFFParser.prototype = {
parse: function CFFParser_parse(normalizeCIDData) {
parse: function CFFParser_parse() {
var properties = this.properties;
var cff = new CFF();
this.cff = cff;
@ -5599,30 +5599,6 @@ var CFFParser = (function CFFParserClosure() {
cff.charset = charset;
cff.encoding = encoding;
if (!cff.isCIDFont || !normalizeCIDData)
return cff;
// DirectWrite does not like CID fonts data. Trying to convert/flatten
// the font data and remove CID properties.
if (cff.fdArray.length !== 1) {
warn('Unable to normalize CID font in CFF data -- using font as is');
return cff;
}
var fontDict = cff.fdArray[0];
// Make the sanitizer happy and remove anything that is only for CID
// fonts.
fontDict.setByKey(17, topDict.getByName('CharStrings'));
fontDict.removeByName('CIDFontVersion');
fontDict.removeByName('CIDFontRevision');
fontDict.removeByName('CIDFontType');
fontDict.removeByName('CIDCount');
fontDict.removeByName('UIDBase');
cff.topDict = fontDict;
cff.isCIDFont = false;
delete cff.fdArray;
delete cff.fdSelect;
return cff;
},
parseHeader: function CFFParser_parseHeader() {
@ -6253,9 +6229,12 @@ var CFFTopDict = (function CFFTopDictClosure() {
[[12, 33], 'CIDFontType', 'num', 0],
[[12, 34], 'CIDCount', 'num', 8720],
[[12, 35], 'UIDBase', 'num', null],
[[12, 36], 'FDArray', 'offset', null],
// XXX: CID Fonts on DirectWrite 6.1 only seem to work if FDSelect comes
// before FDArray.
[[12, 37], 'FDSelect', 'offset', null],
[[12, 38], 'FontName', 'sid', null]];
[[12, 36], 'FDArray', 'offset', null],
[[12, 38], 'FontName', 'sid', null]
];
var tables = null;
function CFFTopDict(strings) {
if (tables === null)
@ -6426,7 +6405,9 @@ var CFFCompiler = (function CFFCompilerClosure() {
var nameIndex = this.compileNameIndex(cff.names);
output.add(nameIndex);
var compiled = this.compileTopDicts([cff.topDict], output.length);
var compiled = this.compileTopDicts([cff.topDict],
output.length,
cff.isCIDFont);
output.add(compiled.output);
var topDictTracker = compiled.trackers[0];
@ -6469,8 +6450,9 @@ var CFFCompiler = (function CFFCompilerClosure() {
topDictTracker.setEntryLocation('FDSelect', [output.length], output);
var fdSelect = this.compileFDSelect(cff.fdSelect.raw);
output.add(fdSelect);
var compiled = this.compileTopDicts(cff.fdArray, output.length);
// It is unclear if the sub font dictionary can have CID related
// dictionary keys, but the sanitizer doesn't like them so remove them.
var compiled = this.compileTopDicts(cff.fdArray, output.length, true);
topDictTracker.setEntryLocation('FDArray', [output.length], output);
output.add(compiled.output);
var fontDictTrackers = compiled.trackers;
@ -6545,11 +6527,20 @@ var CFFCompiler = (function CFFCompilerClosure() {
nameIndex.add(stringToArray(names[i]));
return this.compileIndex(nameIndex);
},
compileTopDicts: function CFFCompiler_compileTopDicts(dicts, length) {
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);