| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2007 The Android Open Source Project | 2 * Copyright 2007 The Android Open Source Project |
| 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 SkColorShader_DEFINED | 8 #ifndef SkColorShader_DEFINED |
| 9 #define SkColorShader_DEFINED | 9 #define SkColorShader_DEFINED |
| 10 | 10 |
| 11 #include "SkShader.h" | 11 #include "SkShader.h" |
| 12 | 12 |
| 13 /** \class SkColorShader | 13 /** \class SkColorShader |
| 14 A Shader that represents a single color. In general, this effect can be | 14 A Shader that represents a single color. In general, this effect can be |
| 15 accomplished by just using the color field on the paint, but if an | 15 accomplished by just using the color field on the paint, but if an |
| 16 actual shader object is needed, this provides that feature. | 16 actual shader object is needed, this provides that feature. |
| 17 */ | 17 */ |
| 18 class SK_API SkColorShader : public SkShader { | 18 class SK_API SkColorShader : public SkShader { |
| 19 public: | 19 public: |
| 20 /** Create a ColorShader that ignores the color in the paint, and uses the | 20 /** Create a ColorShader that ignores the color in the paint, and uses the |
| 21 specified color. Note: like all shaders, at draw time the paint's alpha | 21 specified color. Note: like all shaders, at draw time the paint's alpha |
| 22 will be respected, and is applied to the specified color. | 22 will be respected, and is applied to the specified color. |
| 23 */ | 23 */ |
| 24 explicit SkColorShader(SkColor c); | 24 explicit SkColorShader(SkColor c); |
| 25 | 25 |
| 26 virtual bool isOpaque() const SK_OVERRIDE; | 26 bool isOpaque() const SK_OVERRIDE; |
| 27 | 27 |
| 28 virtual size_t contextSize() const SK_OVERRIDE { | 28 size_t contextSize() const SK_OVERRIDE { |
| 29 return sizeof(ColorShaderContext); | 29 return sizeof(ColorShaderContext); |
| 30 } | 30 } |
| 31 | 31 |
| 32 class ColorShaderContext : public SkShader::Context { | 32 class ColorShaderContext : public SkShader::Context { |
| 33 public: | 33 public: |
| 34 ColorShaderContext(const SkColorShader& shader, const ContextRec&); | 34 ColorShaderContext(const SkColorShader& shader, const ContextRec&); |
| 35 | 35 |
| 36 virtual uint32_t getFlags() const SK_OVERRIDE; | 36 uint32_t getFlags() const SK_OVERRIDE; |
| 37 virtual uint8_t getSpan16Alpha() const SK_OVERRIDE; | 37 uint8_t getSpan16Alpha() const SK_OVERRIDE; |
| 38 virtual void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVE
RRIDE; | 38 void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE; |
| 39 virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OV
ERRIDE; | 39 void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE; |
| 40 virtual void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK
_OVERRIDE; | 40 void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK_OVERRID
E; |
| 41 | 41 |
| 42 private: | 42 private: |
| 43 SkPMColor fPMColor; | 43 SkPMColor fPMColor; |
| 44 uint32_t fFlags; | 44 uint32_t fFlags; |
| 45 uint16_t fColor16; | 45 uint16_t fColor16; |
| 46 | 46 |
| 47 typedef SkShader::Context INHERITED; | 47 typedef SkShader::Context INHERITED; |
| 48 }; | 48 }; |
| 49 | 49 |
| 50 // we return false for this, use asAGradient | 50 // we return false for this, use asAGradient |
| 51 virtual BitmapType asABitmap(SkBitmap* outTexture, | 51 virtual BitmapType asABitmap(SkBitmap* outTexture, |
| 52 SkMatrix* outMatrix, | 52 SkMatrix* outMatrix, |
| 53 TileMode xy[2]) const SK_OVERRIDE; | 53 TileMode xy[2]) const SK_OVERRIDE; |
| 54 | 54 |
| 55 virtual GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; | 55 GradientType asAGradient(GradientInfo* info) const SK_OVERRIDE; |
| 56 | 56 |
| 57 virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&
viewM, | 57 virtual bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&
viewM, |
| 58 const SkMatrix*, GrColor*, | 58 const SkMatrix*, GrColor*, |
| 59 GrFragmentProcessor**) const SK_OVERRIDE; | 59 GrFragmentProcessor**) const SK_OVERRIDE; |
| 60 | 60 |
| 61 SK_TO_STRING_OVERRIDE() | 61 SK_TO_STRING_OVERRIDE() |
| 62 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorShader) | 62 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkColorShader) |
| 63 | 63 |
| 64 protected: | 64 protected: |
| 65 SkColorShader(SkReadBuffer&); | 65 SkColorShader(SkReadBuffer&); |
| 66 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 66 void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| 67 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_
OVERRIDE; | 67 Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE
; |
| 68 virtual bool onAsLuminanceColor(SkColor* lum) const SK_OVERRIDE { | 68 bool onAsLuminanceColor(SkColor* lum) const SK_OVERRIDE { |
| 69 *lum = fColor; | 69 *lum = fColor; |
| 70 return true; | 70 return true; |
| 71 } | 71 } |
| 72 | 72 |
| 73 private: | 73 private: |
| 74 SkColor fColor; | 74 SkColor fColor; |
| 75 | 75 |
| 76 typedef SkShader INHERITED; | 76 typedef SkShader INHERITED; |
| 77 }; | 77 }; |
| 78 | 78 |
| 79 #endif | 79 #endif |
| OLD | NEW |