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Fix seac regression.

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This commit is contained in:
Brendan Dahl 2014-04-11 09:55:39 -07:00
parent c88696cf5f
commit b242826d29
4 changed files with 43 additions and 11 deletions
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43
src/core/fonts.js
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@ -2471,7 +2471,8 @@ var Font = (function FontClosure() {
}
return {
toFontChar: toFontChar,
charCodeToGlyphId: newMap
charCodeToGlyphId: newMap,
nextAvailableFontCharCode: nextAvailableFontCharCode
};
}
@ -4046,18 +4047,25 @@ var Font = (function FontClosure() {
this.toFontChar = newMapping.toFontChar;
var numGlyphs = font.numGlyphs;
function getCharCode(charCodeToGlyphId, glyphId, addMap) {
for (var charCode in charCodeToGlyphId) {
if (glyphId === charCodeToGlyphId[charCode]) {
return charCode | 0;
}
}
if (addMap) {
newMapping.charCodeToGlyphId[newMapping.nextAvailableFontCharCode] =
glyphId;
return newMapping.nextAvailableFontCharCode++;
}
return null;
}
var seacs = font.seacs;
var charCode;
if (SEAC_ANALYSIS_ENABLED && seacs && seacs.length) {
var matrix = properties.fontMatrix || FONT_IDENTITY_MATRIX;
var charset = font.getCharset();
var charCodeToGlyphId = mapping;
var toFontChar = newMapping.toFontChar;
var seacMap = Object.create(null);
var glyphIdToCharCode = Object.create(null);
for (charCode in charCodeToGlyphId) {
glyphIdToCharCode[charCodeToGlyphId[charCode]] = charCode | 0;
}
for (var glyphId in seacs) {
glyphId |= 0;
var seac = seacs[glyphId];
@ -4072,10 +4080,23 @@ var Font = (function FontClosure() {
x: seac[0] * matrix[0] + seac[1] * matrix[2] + matrix[4],
y: seac[0] * matrix[1] + seac[1] * matrix[3] + matrix[5]
};
charCode = glyphIdToCharCode[glyphId];
var charCode = getCharCode(mapping, glyphId);
if (charCode === null) {
// There's no point in mapping it if the char code was never mapped
// to begin with.
continue;
}
// Find a fontCharCode that maps to the base and accent glyphs. If one
// doesn't exists, create it.
var charCodeToGlyphId = newMapping.charCodeToGlyphId;
var baseFontCharCode = getCharCode(charCodeToGlyphId, baseGlyphId,
true);
var accentFontCharCode = getCharCode(charCodeToGlyphId, accentGlyphId,
true);
seacMap[charCode] = {
baseFontCharCode: toFontChar[glyphIdToCharCode[baseGlyphId]],
accentFontCharCode: toFontChar[glyphIdToCharCode[accentGlyphId]],
baseFontCharCode: baseFontCharCode,
accentFontCharCode: accentFontCharCode,
accentOffset: accentOffset
};
}