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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkBlitter_DEFINED | 10 #ifndef SkBlitter_DEFINED |
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54 */ | 54 */ |
55 virtual const SkBitmap* justAnOpaqueColor(uint32_t* value); | 55 virtual const SkBitmap* justAnOpaqueColor(uint32_t* value); |
56 | 56 |
57 /** | 57 /** |
58 * Special method just to identify the null blitter, which is returned | 58 * Special method just to identify the null blitter, which is returned |
59 * from Choose() if the request cannot be fulfilled. Default impl | 59 * from Choose() if the request cannot be fulfilled. Default impl |
60 * returns false. | 60 * returns false. |
61 */ | 61 */ |
62 virtual bool isNullBlitter() const; | 62 virtual bool isNullBlitter() const; |
63 | 63 |
| 64 /** |
| 65 * Special methods for SkShaderBlitter. On all other classes this is a no-o
p. |
| 66 */ |
| 67 virtual bool resetShaderContext(const SkBitmap& device, const SkPaint& paint
, |
| 68 const SkMatrix& matrix); |
| 69 virtual SkShader::Context* getShaderContext() const; |
| 70 |
64 ///@name non-virtual helpers | 71 ///@name non-virtual helpers |
65 void blitMaskRegion(const SkMask& mask, const SkRegion& clip); | 72 void blitMaskRegion(const SkMask& mask, const SkRegion& clip); |
66 void blitRectRegion(const SkIRect& rect, const SkRegion& clip); | 73 void blitRectRegion(const SkIRect& rect, const SkRegion& clip); |
67 void blitRegion(const SkRegion& clip); | 74 void blitRegion(const SkRegion& clip); |
68 ///@} | 75 ///@} |
69 | 76 |
70 /** @name Factories | 77 /** @name Factories |
71 Return the correct blitter to use given the specified context. | 78 Return the correct blitter to use given the specified context. |
72 */ | 79 */ |
73 static SkBlitter* Choose(const SkBitmap& device, | 80 static SkBlitter* Choose(const SkBitmap& device, |
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163 SkBlitter* apply(SkBlitter* blitter, const SkRegion* clip, | 170 SkBlitter* apply(SkBlitter* blitter, const SkRegion* clip, |
164 const SkIRect* bounds = NULL); | 171 const SkIRect* bounds = NULL); |
165 | 172 |
166 private: | 173 private: |
167 SkNullBlitter fNullBlitter; | 174 SkNullBlitter fNullBlitter; |
168 SkRectClipBlitter fRectBlitter; | 175 SkRectClipBlitter fRectBlitter; |
169 SkRgnClipBlitter fRgnBlitter; | 176 SkRgnClipBlitter fRgnBlitter; |
170 }; | 177 }; |
171 | 178 |
172 #endif | 179 #endif |
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