diff options
Diffstat (limited to 'include/effects/SkTransparentShader.h')
-rw-r--r-- | include/effects/SkTransparentShader.h | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/include/effects/SkTransparentShader.h b/include/effects/SkTransparentShader.h index 7428d442e3..790e5ae9fd 100644 --- a/include/effects/SkTransparentShader.h +++ b/include/effects/SkTransparentShader.h @@ -14,21 +14,31 @@ class SK_API SkTransparentShader : public SkShader { public: SkTransparentShader() {} - virtual uint32_t getFlags() SK_OVERRIDE; - virtual bool setContext(const SkBitmap& device, - const SkPaint& paint, - const SkMatrix& matrix) SK_OVERRIDE; - virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE; - virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE; + virtual SkShader::Context* createContext(const SkBitmap& device, const SkPaint& paint, + const SkMatrix& matrix, void* storage) const + SK_OVERRIDE; + virtual size_t contextSize() const SK_OVERRIDE; + + class TransparentShaderContext : public SkShader::Context { + public: + TransparentShaderContext(const SkTransparentShader& shader, const SkBitmap& device, + const SkPaint& paint, const SkMatrix& matrix); + virtual ~TransparentShaderContext(); + + virtual uint32_t getFlags() const SK_OVERRIDE; + virtual void shadeSpan(int x, int y, SkPMColor[], int count) SK_OVERRIDE; + virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE; + + private: + const SkBitmap* fDevice; + + typedef SkShader::Context INHERITED; + }; SK_TO_STRING_OVERRIDE() SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTransparentShader) private: - // these are a cache from the call to setContext() - const SkBitmap* fDevice; - uint8_t fAlpha; - SkTransparentShader(SkReadBuffer& buffer) : INHERITED(buffer) {} typedef SkShader INHERITED; |