2 * Copyright 2013 Google Inc.
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
8 #ifndef GrBitmapTextContext_DEFINED
9 #define GrBitmapTextContext_DEFINED
11 #include "GrTextContext.h"
16 * This class implements GrTextContext using standard bitmap fonts
18 class GrBitmapTextContext : public GrTextContext {
20 GrBitmapTextContext(GrContext*, const SkDeviceProperties&);
21 virtual ~GrBitmapTextContext();
23 virtual void drawText(const GrPaint&, const SkPaint&, const char text[], size_t byteLength,
24 SkScalar x, SkScalar y) SK_OVERRIDE;
25 virtual void drawPosText(const GrPaint&, const SkPaint&,
26 const char text[], size_t byteLength,
27 const SkScalar pos[], SkScalar constY,
28 int scalarsPerPosition) SK_OVERRIDE;
30 virtual bool canDraw(const SkPaint& paint) SK_OVERRIDE;
33 GrTextStrike* fStrike;
35 void init(const GrPaint&, const SkPaint&);
36 void drawPackedGlyph(GrGlyph::PackedID, SkFixed left, SkFixed top, GrFontScaler*);
37 void flushGlyphs(); // automatically called by destructor
41 kMinRequestedGlyphs = 1,
42 kDefaultRequestedGlyphs = 64,
43 kMinRequestedVerts = kMinRequestedGlyphs * 4,
44 kDefaultRequestedVerts = kDefaultRequestedGlyphs * 4,
49 GrTexture* fCurrTexture;
50 SkAutoTUnref<GrEffect> fCachedEffect;
51 // Used to check whether fCachedEffect is still valid.
52 uint32_t fEffectTextureUniqueID;