PassRefPtr<Font> Font::createScaledFont(const FontDescription& fontDescription, float scaleFactor) const
{
if (isSVGFont())
return nullptr;
return platformCreateScaledFont(fontDescription, scaleFactor);
}
PassRefPtr<SimpleFontData> SimpleFontData::createScaledFontData(const FontDescription& fontDescription, float scaleFactor) const
{
// FIXME: Support scaled SVG fonts. Given that SVG is scalable in general this should be achievable.
if (isSVGFont())
return nullptr;
return platformCreateScaledFontData(fontDescription, scaleFactor);
}
String Font::description() const
{
if (isSVGFont())
return "[SVG font]";
if (isCustomFont())
return "[custom font]";
return platformData().description();
}
SimpleFontData::~SimpleFontData()
{
if (!isSVGFont())
platformDestroy();
if (isCustomFont())
GlyphPageTreeNode::pruneTreeCustomFontData(this);
else
GlyphPageTreeNode::pruneTreeFontData(this);
}
SVGFontElement* Font::svgFont() const
{
if (!isSVGFont())
return 0;
SVGFontElement* fontElement = 0;
SVGFontFaceElement* fontFaceElement = 0;
if (svgFontAndFontFaceElementForFontData(primaryFont(), fontFaceElement, fontElement))
return fontElement;
return 0;
}
bool Font::applyTransforms(GlyphBufferGlyph* glyphs, GlyphBufferAdvance* advances, size_t glyphCount, TypesettingFeatures typesettingFeatures) const
{
// We need to handle transforms on SVG fonts internally, since they are rendered internally.
ASSERT(!isSVGFont());
#if PLATFORM(COCOA)
CTFontTransformOptions options = (typesettingFeatures & Kerning ? kCTFontTransformApplyPositioning : 0) | (typesettingFeatures & Ligatures ? kCTFontTransformApplyShaping : 0);
return CTFontTransformGlyphs(m_platformData.ctFont(), glyphs, reinterpret_cast<CGSize*>(advances), glyphCount, options);
#else
UNUSED_PARAM(glyphs);
UNUSED_PARAM(advances);
UNUSED_PARAM(glyphCount);
UNUSED_PARAM(typesettingFeatures);
return false;
#endif
}