#ifndef GlyphBuffer_h
#define GlyphBuffer_h
#include "FloatSize.h"
#if PLATFORM(CG)
#include <CoreGraphics/CoreGraphics.h>
#elif PLATFORM(CAIRO)
#include <cairo.h>
#endif
#include <wtf/Vector.h>
namespace WebCore {
typedef unsigned short Glyph;
class SimpleFontData;
#if PLATFORM(CG)
typedef Glyph GlyphBufferGlyph;
typedef CGSize GlyphBufferAdvance;
#elif PLATFORM(CAIRO)
typedef cairo_glyph_t GlyphBufferGlyph;
typedef FloatSize GlyphBufferAdvance;
#elif PLATFORM(WX)
typedef Glyph GlyphBufferGlyph;
typedef FloatSize GlyphBufferAdvance;
#elif PLATFORM(QT)
typedef unsigned short GlyphBufferGlyph;
typedef FloatSize GlyphBufferAdvance;
#endif
class GlyphBuffer {
public:
bool isEmpty() const { return m_fontData.isEmpty(); }
int size() const { return m_fontData.size(); }
void clear()
{
m_fontData.clear();
m_glyphs.clear();
m_advances.clear();
#if PLATFORM(WIN)
m_offsets.clear();
#endif
}
GlyphBufferGlyph* glyphs(int from) { return m_glyphs.data() + from; }
GlyphBufferAdvance* advances(int from) { return m_advances.data() + from; }
const GlyphBufferGlyph* glyphs(int from) const { return m_glyphs.data() + from; }
const GlyphBufferAdvance* advances(int from) const { return m_advances.data() + from; }
const SimpleFontData* fontDataAt(int index) const { return m_fontData[index]; }
void swap(int index1, int index2)
{
const SimpleFontData* f = m_fontData[index1];
m_fontData[index1] = m_fontData[index2];
m_fontData[index2] = f;
GlyphBufferGlyph g = m_glyphs[index1];
m_glyphs[index1] = m_glyphs[index2];
m_glyphs[index2] = g;
GlyphBufferAdvance s = m_advances[index1];
m_advances[index1] = m_advances[index2];
m_advances[index2] = s;
#if PLATFORM(WIN)
FloatSize offset = m_offsets[index1];
m_offsets[index1] = m_offsets[index2];
m_offsets[index2] = offset;
#endif
}
Glyph glyphAt(int index) const
{
#if PLATFORM(CG) || PLATFORM(QT) || PLATFORM(WX)
return m_glyphs[index];
#elif PLATFORM(CAIRO)
return m_glyphs[index].index;
#endif
}
float advanceAt(int index) const
{
#if PLATFORM(CG)
return m_advances[index].width;
#elif PLATFORM(CAIRO) || PLATFORM(QT) || PLATFORM(WX)
return m_advances[index].width();
#endif
}
FloatSize offsetAt(int index) const
{
#if PLATFORM(WIN)
return m_offsets[index];
#else
return FloatSize();
#endif
}
void add(Glyph glyph, const SimpleFontData* font, float width, const FloatSize* offset = 0)
{
m_fontData.append(font);
#if PLATFORM(CG)
m_glyphs.append(glyph);
CGSize advance;
advance.width = width;
advance.height = 0;
m_advances.append(advance);
#elif PLATFORM(CAIRO)
cairo_glyph_t cairoGlyph;
cairoGlyph.index = glyph;
m_glyphs.append(cairoGlyph);
m_advances.append(FloatSize(width, 0));
#elif PLATFORM(QT) || PLATFORM(WX)
m_glyphs.append(glyph);
m_advances.append(FloatSize(width, 0));
#endif
#if PLATFORM(WIN)
if (offset)
m_offsets.append(*offset);
else
m_offsets.append(FloatSize());
#endif
}
private:
Vector<const SimpleFontData*, 2048> m_fontData;
Vector<GlyphBufferGlyph, 2048> m_glyphs;
Vector<GlyphBufferAdvance, 2048> m_advances;
#if PLATFORM(WIN)
Vector<FloatSize, 2048> m_offsets;
#endif
};
}
#endif