CSSSegmentedFontFace* CSSFontSelector::getFontFace(const FontDescription& fontDescription, const AtomicString& family) { HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >* familyFontFaces = m_fontFaces.get(family); if (!familyFontFaces || familyFontFaces->isEmpty()) return 0; OwnPtr<HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > >& segmentedFontFaceCache = m_fonts.add(family, nullptr).iterator->value; if (!segmentedFontFaceCache) segmentedFontFaceCache = adoptPtr(new HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >); FontTraitsMask traitsMask = fontDescription.traitsMask(); RefPtr<CSSSegmentedFontFace>& face = segmentedFontFaceCache->add(traitsMask, 0).iterator->value; if (!face) { for (HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >::const_iterator i = familyFontFaces->begin(); i != familyFontFaces->end(); ++i) { CSSSegmentedFontFace* candidate = i->value.get(); unsigned candidateTraitsMask = candidate->traitsMask(); if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask)) continue; if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask)) continue; #if ENABLE(SVG_FONTS) // For SVG Fonts that specify that they only support the "normal" variant, we will assume they are incapable // of small-caps synthesis and just ignore the font face as a candidate. if (candidate->hasSVGFontFaceSource() && (traitsMask & FontVariantSmallCapsMask) && !(candidateTraitsMask & FontVariantSmallCapsMask)) continue; #endif if (!face || compareFontFaces(candidate, face.get(), traitsMask)) face = candidate; } if (Vector<RefPtr<CSSSegmentedFontFace> >* familyLocallyInstalledFontFaces = m_locallyInstalledFontFaces.get(family)) { unsigned numLocallyInstalledFontFaces = familyLocallyInstalledFontFaces->size(); for (unsigned i = 0; i < numLocallyInstalledFontFaces; ++i) { CSSSegmentedFontFace* candidate = familyLocallyInstalledFontFaces->at(i).get(); unsigned candidateTraitsMask = candidate->traitsMask(); if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask)) continue; if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask)) continue; if (!face || compareFontFaces(candidate, face.get(), traitsMask)) face = candidate; } } } return face.get(); }