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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkGradientShaderPriv_DEFINED | 8 #ifndef SkGradientShaderPriv_DEFINED |
9 #define SkGradientShaderPriv_DEFINED | 9 #define SkGradientShaderPriv_DEFINED |
10 | 10 |
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87 Descriptor() { | 87 Descriptor() { |
88 sk_bzero(this, sizeof(*this)); | 88 sk_bzero(this, sizeof(*this)); |
89 fTileMode = SkShader::kClamp_TileMode; | 89 fTileMode = SkShader::kClamp_TileMode; |
90 } | 90 } |
91 | 91 |
92 const SkColor* fColors; | 92 const SkColor* fColors; |
93 const SkScalar* fPos; | 93 const SkScalar* fPos; |
94 int fCount; | 94 int fCount; |
95 SkShader::TileMode fTileMode; | 95 SkShader::TileMode fTileMode; |
96 SkUnitMapper* fMapper; | 96 SkUnitMapper* fMapper; |
97 uint32_t fFlags; | 97 uint32_t fGradFlags; |
98 }; | 98 }; |
99 | 99 |
100 public: | 100 public: |
101 SkGradientShaderBase(const Descriptor& desc); | 101 SkGradientShaderBase(const Descriptor& desc); |
102 virtual ~SkGradientShaderBase(); | 102 virtual ~SkGradientShaderBase(); |
103 | 103 |
104 virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&) SK
_OVERRIDE; | 104 virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&) SK
_OVERRIDE; |
105 virtual uint32_t getFlags() SK_OVERRIDE { return fFlags; } | 105 virtual uint32_t getFlags() SK_OVERRIDE { return fFlags; } |
106 virtual bool isOpaque() const SK_OVERRIDE; | 106 virtual bool isOpaque() const SK_OVERRIDE; |
107 | 107 |
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132 kTwo_GpuColorType, | 132 kTwo_GpuColorType, |
133 kThree_GpuColorType, // Symmetric three color | 133 kThree_GpuColorType, // Symmetric three color |
134 kTexture_GpuColorType | 134 kTexture_GpuColorType |
135 }; | 135 }; |
136 | 136 |
137 // Determines and returns the gradient is a two color gradient, symmetric th
ree color gradient | 137 // Determines and returns the gradient is a two color gradient, symmetric th
ree color gradient |
138 // or other (texture gradient). If it is two or symmetric three color, the c
olors array will | 138 // or other (texture gradient). If it is two or symmetric three color, the c
olors array will |
139 // also be filled with the gradient colors | 139 // also be filled with the gradient colors |
140 GpuColorType getGpuColorType(SkColor colors[3]) const; | 140 GpuColorType getGpuColorType(SkColor colors[3]) const; |
141 | 141 |
142 uint32_t getFlags() const { return fGradFlags; } | 142 uint32_t getGradFlags() const { return fGradFlags; } |
143 | 143 |
144 protected: | 144 protected: |
145 SkGradientShaderBase(SkReadBuffer& ); | 145 SkGradientShaderBase(SkReadBuffer& ); |
146 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 146 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
147 SK_TO_STRING_OVERRIDE() | 147 SK_TO_STRING_OVERRIDE() |
148 | 148 |
149 SkUnitMapper* fMapper; | 149 SkUnitMapper* fMapper; |
150 SkMatrix fPtsToUnit; // set by subclass | 150 SkMatrix fPtsToUnit; // set by subclass |
151 SkMatrix fDstToIndex; | 151 SkMatrix fDstToIndex; |
152 SkMatrix::MapXYProc fDstToIndexProc; | 152 SkMatrix::MapXYProc fDstToIndexProc; |
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399 GrGLUniformManager::UniformHandle fColorStartUni; | 399 GrGLUniformManager::UniformHandle fColorStartUni; |
400 GrGLUniformManager::UniformHandle fColorMidUni; | 400 GrGLUniformManager::UniformHandle fColorMidUni; |
401 GrGLUniformManager::UniformHandle fColorEndUni; | 401 GrGLUniformManager::UniformHandle fColorEndUni; |
402 | 402 |
403 typedef GrGLEffect INHERITED; | 403 typedef GrGLEffect INHERITED; |
404 }; | 404 }; |
405 | 405 |
406 #endif | 406 #endif |
407 | 407 |
408 #endif | 408 #endif |
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