SegmentedFontData.h [plain text]
#ifndef SegmentedFontData_h
#define SegmentedFontData_h
#include "FontData.h"
#include <wtf/Vector.h>
namespace WebCore {
class SimpleFontData;
struct FontDataRange {
FontDataRange(UChar32 from, UChar32 to, PassRefPtr<SimpleFontData> fontData)
: m_from(from)
, m_to(to)
, m_fontData(fontData)
{
}
UChar32 from() const { return m_from; }
UChar32 to() const { return m_to; }
PassRefPtr<SimpleFontData> fontData() const { return m_fontData; }
private:
UChar32 m_from;
UChar32 m_to;
RefPtr<SimpleFontData> m_fontData;
};
class SegmentedFontData : public FontData {
public:
static PassRefPtr<SegmentedFontData> create() { return adoptRef(new SegmentedFontData); }
virtual ~SegmentedFontData();
void appendRange(const FontDataRange& range) { m_ranges.append(range); }
unsigned numRanges() const { return m_ranges.size(); }
const FontDataRange& rangeAt(unsigned i) const { return m_ranges[i]; }
#ifndef NDEBUG
virtual String description() const;
#endif
private:
SegmentedFontData() { }
virtual const SimpleFontData* fontDataForCharacter(UChar32) const;
virtual bool containsCharacters(const UChar*, int length) const;
virtual bool isCustomFont() const;
virtual bool isLoading() const;
virtual bool isSegmented() const;
bool containsCharacter(UChar32) const;
Vector<FontDataRange, 1> m_ranges;
};
}
#endif // SegmentedFontData_h