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bug 871453 - part 3 - support font-synthesis options through the fontconfig backend. r=jdaggett

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This commit is contained in:
Jonathan Kew 2014-06-19 08:09:00 +01:00
parent 288baa3a79
commit e1b7eb2df1
1 changed files with 20 additions and 0 deletions
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20
gfx/thebes/gfxPangoFonts.cpp
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@ -1740,6 +1740,26 @@ gfxFcFont::GetOrMakeFont(FcPattern *aRequestedPattern, FcPattern *aFontPattern,
{
nsAutoRef<FcPattern> renderPattern
(FcFontRenderPrepare(nullptr, aRequestedPattern, aFontPattern));
// If synthetic bold/italic is not allowed by the style, adjust the
// resulting pattern to match the actual properties of the font.
if (!aFontStyle->allowSyntheticWeight) {
int weight;
if (FcPatternGetInteger(aFontPattern, FC_WEIGHT, 0,
&weight) == FcResultMatch) {
FcPatternDel(renderPattern, FC_WEIGHT);
FcPatternAddInteger(renderPattern, FC_WEIGHT, weight);
}
}
if (!aFontStyle->allowSyntheticStyle) {
int slant;
if (FcPatternGetInteger(aFontPattern, FC_SLANT, 0,
&slant) == FcResultMatch) {
FcPatternDel(renderPattern, FC_SLANT);
FcPatternAddInteger(renderPattern, FC_SLANT, slant);
}
}
cairo_font_face_t *face =
cairo_ft_font_face_create_for_pattern(renderPattern);