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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrDistanceFieldTextContext_DEFINED | 8 #ifndef GrDistanceFieldTextContext_DEFINED |
9 #define GrDistanceFieldTextContext_DEFINED | 9 #define GrDistanceFieldTextContext_DEFINED |
10 | 10 |
11 #include "GrTextContext.h" | 11 #include "GrTextContext.h" |
12 | 12 |
13 class GrTextStrike; | 13 class GrTextStrike; |
14 | 14 |
15 /* | 15 /* |
16 * This class implements GrTextContext using distance field fonts | 16 * This class implements GrTextContext using distance field fonts |
17 */ | 17 */ |
18 class GrDistanceFieldTextContext : public GrTextContext { | 18 class GrDistanceFieldTextContext : public GrTextContext { |
19 public: | 19 public: |
20 GrDistanceFieldTextContext(GrContext*, const SkDeviceProperties&, bool enabl
e); | 20 GrDistanceFieldTextContext(GrContext*, const SkDeviceProperties&, bool enabl
e); |
21 virtual ~GrDistanceFieldTextContext(); | 21 virtual ~GrDistanceFieldTextContext(); |
22 | 22 |
23 virtual void drawText(const GrPaint&, const SkPaint&, const char text[], siz
e_t byteLength, | 23 virtual void drawText(const GrPaint&, const SkPaint&, const char text[], siz
e_t byteLength, |
24 SkScalar x, SkScalar y) SK_OVERRIDE; | 24 SkScalar x, SkScalar y) SK_OVERRIDE; |
25 virtual void drawPosText(const GrPaint&, const SkPaint&, | 25 virtual void drawPosText(const GrPaint&, const SkPaint&, |
26 const char text[], size_t byteLength, | 26 const char text[], size_t byteLength, |
27 const SkScalar pos[], int scalarsPerPosition, | 27 const SkScalar pos[], SkScalar constY, |
28 const SkPoint& offset) SK_OVERRIDE; | 28 int scalarsPerPosition) SK_OVERRIDE; |
29 | 29 |
30 virtual bool canDraw(const SkPaint& paint) SK_OVERRIDE; | 30 virtual bool canDraw(const SkPaint& paint) SK_OVERRIDE; |
31 | 31 |
32 private: | 32 private: |
33 GrTextStrike* fStrike; | 33 GrTextStrike* fStrike; |
34 SkScalar fTextRatio; | 34 SkScalar fTextRatio; |
35 bool fUseLCDText; | 35 bool fUseLCDText; |
36 bool fEnableDFRendering; | 36 bool fEnableDFRendering; |
37 SkAutoTUnref<GrEffect> fCachedEffect; | 37 SkAutoTUnref<GrEffect> fCachedEffect; |
38 // Used to check whether fCachedEffect is still valid. | 38 // Used to check whether fCachedEffect is still valid. |
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55 }; | 55 }; |
56 | 56 |
57 void* fVertices; | 57 void* fVertices; |
58 int32_t fMaxVertices; | 58 int32_t fMaxVertices; |
59 GrTexture* fCurrTexture; | 59 GrTexture* fCurrTexture; |
60 int fCurrVertex; | 60 int fCurrVertex; |
61 SkRect fVertexBounds; | 61 SkRect fVertexBounds; |
62 }; | 62 }; |
63 | 63 |
64 #endif | 64 #endif |
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