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Merge pull request #2047 from yurydelendik/font-linux

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Fixes fonts on linux
This commit is contained in:
Brendan Dahl 2012-08-29 12:35:25 -07:00
commit 33f7e86171
2 changed files with 17 additions and 3 deletions
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18
src/fonts.js
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@ -2938,6 +2938,7 @@ var Font = (function FontClosure() {
}
this.toFontChar = toFontChar;
}
var unitsPerEm = properties.unitsPerEm || 1000; // defaulting to 1000
var fields = {
// PostScript Font Program
@ -2958,7 +2959,7 @@ var Font = (function FontClosure() {
'\x00\x00\x00\x00' + // checksumAdjustement
'\x5F\x0F\x3C\xF5' + // magicNumber
'\x00\x00' + // Flags
'\x03\xE8' + // unitsPerEM (defaulting to 1000)
safeString16(unitsPerEm) + // unitsPerEM
'\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date
'\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date
'\x00\x00' + // xMin
@ -4413,6 +4414,19 @@ var CFFParser = (function CFFParserClosure() {
var charStringOffset = topDict.getByName('CharStrings');
cff.charStrings = this.parseCharStrings(charStringOffset);
var fontMatrix = topDict.getByName('FontMatrix');
if (fontMatrix) {
// estimating unitsPerEM for the font
properties.unitsPerEm = 1 / fontMatrix[0];
}
var fontBBox = topDict.getByName('FontBBox');
if (fontBBox) {
// adjusting ascent/descent
properties.ascent = fontBBox[3];
properties.descent = fontBBox[1];
}
var charset, encoding;
if (cff.isCIDFont) {
var fdArrayIndex = this.parseIndex(topDict.getByName('FDArray')).obj;
@ -4486,7 +4500,7 @@ var CFFParser = (function CFFParserClosure() {
return parseFloatOperand(pos);
} else if (value === 28) {
value = dict[pos++];
value = (value << 8) | dict[pos++];
value = ((value << 24) | (dict[pos++] << 16)) >> 16;
return value;
} else if (value === 29) {
value = dict[pos++];