OpenTypeVerticalData.h [plain text]
#ifndef OpenTypeVerticalData_h
#define OpenTypeVerticalData_h
#if ENABLE(OPENTYPE_VERTICAL)
#include "Glyph.h"
#include <wtf/HashMap.h>
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
class FontPlatformData;
class GlyphPage;
class SimpleFontData;
class OpenTypeVerticalData : public RefCounted<OpenTypeVerticalData> {
public:
static PassRefPtr<OpenTypeVerticalData> create(const FontPlatformData& platformData)
{
return adoptRef(new OpenTypeVerticalData(platformData));
}
bool isOpenType() const { return !m_advanceWidths.isEmpty(); }
bool hasVerticalMetrics() const { return !m_advanceHeights.isEmpty(); }
float advanceHeight(const SimpleFontData*, Glyph) const;
void getVerticalTranslationsForGlyphs(const SimpleFontData*, const Glyph*, size_t, float* outXYArray) const;
void substituteWithVerticalGlyphs(const SimpleFontData*, GlyphPage*, unsigned offset, unsigned length) const;
private:
explicit OpenTypeVerticalData(const FontPlatformData&);
void loadMetrics(const FontPlatformData&);
void loadVerticalGlyphSubstitutions(const FontPlatformData&);
bool hasVORG() const { return !m_vertOriginY.isEmpty(); }
HashMap<Glyph, Glyph> m_verticalGlyphMap;
Vector<uint16_t> m_advanceWidths;
Vector<uint16_t> m_advanceHeights;
Vector<int16_t> m_topSideBearings;
int16_t m_defaultVertOriginY;
HashMap<Glyph, int16_t> m_vertOriginY;
friend class FontCache;
bool m_inFontCache; };
}
#endif // ENABLE(OPENTYPE_VERTICAL)
#endif // OpenTypeVerticalData_h