blob: fc7735db7ac5e8a4b3a2c3e880873909a41ceaaa [file] [log] [blame]
/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrTextContext_DEFINED
#define GrTextContext_DEFINED
#include "GrContext.h"
#include "GrGlyph.h"
#include "GrPaint.h"
struct GrGpuTextVertex;
class GrContext;
class GrTextStrike;
class GrFontScaler;
class GrDrawTarget;
class GrTextContext {
public:
GrTextContext(GrContext*, const GrPaint&);
~GrTextContext();
void drawPackedGlyph(GrGlyph::PackedID, GrFixed left, GrFixed top,
GrFontScaler*);
void flush(); // optional; automatically called by destructor
private:
GrPaint fPaint;
GrVertexLayout fVertexLayout;
GrContext* fContext;
GrDrawTarget* fDrawTarget;
GrFontScaler* fScaler;
GrTextStrike* fStrike;
inline void flushGlyphs();
void setupDrawTarget();
enum {
kMinRequestedGlyphs = 1,
kDefaultRequestedGlyphs = 64,
kMinRequestedVerts = kMinRequestedGlyphs * 4,
kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
};
GrGpuTextVertex* fVertices;
int32_t fMaxVertices;
GrTexture* fCurrTexture;
int fCurrVertex;
GrIRect fClipRect;
GrContext::AutoMatrix fAutoMatrix;
};
#endif