OLD | NEW |
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 SkPerlinNoiseShader2_DEFINED | 8 #ifndef SkPerlinNoiseShader2_DEFINED |
9 #define SkPerlinNoiseShader2_DEFINED | 9 #define SkPerlinNoiseShader2_DEFINED |
10 | 10 |
(...skipping 74 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
85 | 85 |
86 | 86 |
87 size_t contextSize() const override; | 87 size_t contextSize() const override; |
88 | 88 |
89 class PerlinNoiseShaderContext : public SkShader::Context { | 89 class PerlinNoiseShaderContext : public SkShader::Context { |
90 public: | 90 public: |
91 PerlinNoiseShaderContext(const SkPerlinNoiseShader2& shader, const Conte
xtRec&); | 91 PerlinNoiseShaderContext(const SkPerlinNoiseShader2& shader, const Conte
xtRec&); |
92 virtual ~PerlinNoiseShaderContext(); | 92 virtual ~PerlinNoiseShaderContext(); |
93 | 93 |
94 void shadeSpan(int x, int y, SkPMColor[], int count) override; | 94 void shadeSpan(int x, int y, SkPMColor[], int count) override; |
95 void shadeSpan16(int x, int y, uint16_t[], int count) override; | |
96 | 95 |
97 private: | 96 private: |
98 SkPMColor shade(const SkPoint& point, StitchData& stitchData) const; | 97 SkPMColor shade(const SkPoint& point, StitchData& stitchData) const; |
99 SkScalar calculateTurbulenceValueForPoint( | 98 SkScalar calculateTurbulenceValueForPoint( |
100 int channel, | 99 int channel, |
101 StitchData& stitchData, const SkPoint& point) const; | 100 StitchData& stitchData, const SkPoint& point) const; |
102 SkScalar calculateImprovedNoiseValueForPoint(int channel, const SkPoint&
point) const; | 101 SkScalar calculateImprovedNoiseValueForPoint(int channel, const SkPoint&
point) const; |
103 SkScalar noise2D(int channel, | 102 SkScalar noise2D(int channel, |
104 const StitchData& stitchData, const SkPoint& noiseVecto
r) const; | 103 const StitchData& stitchData, const SkPoint& noiseVecto
r) const; |
105 | 104 |
(...skipping 26 matching lines...) Expand all Loading... |
132 const SkScalar fBaseFrequencyY; | 131 const SkScalar fBaseFrequencyY; |
133 const int fNumOctaves; | 132 const int fNumOctaves; |
134 const SkScalar fSeed; | 133 const SkScalar fSeed; |
135 const SkISize fTileSize; | 134 const SkISize fTileSize; |
136 const bool fStitchTiles; | 135 const bool fStitchTiles; |
137 | 136 |
138 typedef SkShader INHERITED; | 137 typedef SkShader INHERITED; |
139 }; | 138 }; |
140 | 139 |
141 #endif | 140 #endif |
OLD | NEW |