| /* libs/graphics/sgl/SkCoreBlitters.h |
| ** |
| ** Copyright 2006, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef SkCoreBlitters_DEFINED |
| #define SkCoreBlitters_DEFINED |
| |
| #include "SkBlitter.h" |
| #include "SkBlitRow.h" |
| |
| class SkRasterBlitter : public SkBlitter { |
| public: |
| SkRasterBlitter(const SkBitmap& device) : fDevice(device) {} |
| |
| protected: |
| const SkBitmap& fDevice; |
| |
| private: |
| typedef SkBlitter INHERITED; |
| }; |
| |
| class SkShaderBlitter : public SkRasterBlitter { |
| public: |
| SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); |
| virtual ~SkShaderBlitter(); |
| |
| protected: |
| SkShader* fShader; |
| |
| private: |
| // illegal |
| SkShaderBlitter& operator=(const SkShaderBlitter&); |
| |
| typedef SkRasterBlitter INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class SkA8_Blitter : public SkRasterBlitter { |
| public: |
| SkA8_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| virtual void blitRect(int x, int y, int width, int height); |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| |
| private: |
| unsigned fSrcA; |
| |
| // illegal |
| SkA8_Blitter& operator=(const SkA8_Blitter&); |
| |
| typedef SkRasterBlitter INHERITED; |
| }; |
| |
| class SkA8_Shader_Blitter : public SkShaderBlitter { |
| public: |
| SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual ~SkA8_Shader_Blitter(); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| |
| private: |
| SkXfermode* fXfermode; |
| SkPMColor* fBuffer; |
| uint8_t* fAAExpand; |
| |
| // illegal |
| SkA8_Shader_Blitter& operator=(const SkA8_Shader_Blitter&); |
| |
| typedef SkShaderBlitter INHERITED; |
| }; |
| |
| //////////////////////////////////////////////////////////////// |
| |
| class SkARGB32_Blitter : public SkRasterBlitter { |
| public: |
| SkARGB32_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| virtual void blitRect(int x, int y, int width, int height); |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| |
| protected: |
| SkColor fPMColor; |
| |
| private: |
| unsigned fSrcA, fSrcR, fSrcG, fSrcB; |
| |
| // illegal |
| SkARGB32_Blitter& operator=(const SkARGB32_Blitter&); |
| |
| typedef SkRasterBlitter INHERITED; |
| }; |
| |
| class SkARGB32_Black_Blitter : public SkARGB32_Blitter { |
| public: |
| SkARGB32_Black_Blitter(const SkBitmap& device, const SkPaint& paint) |
| : SkARGB32_Blitter(device, paint) {} |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| private: |
| typedef SkARGB32_Blitter INHERITED; |
| }; |
| |
| class SkARGB32_Opaque_Blitter : public SkARGB32_Blitter { |
| public: |
| SkARGB32_Opaque_Blitter(const SkBitmap& device, const SkPaint& paint) |
| : SkARGB32_Blitter(device, paint) { SkASSERT(paint.getAlpha() == 0xFF); } |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| |
| private: |
| typedef SkARGB32_Blitter INHERITED; |
| }; |
| |
| class SkARGB32_Shader_Blitter : public SkShaderBlitter { |
| public: |
| SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual ~SkARGB32_Shader_Blitter(); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| private: |
| SkXfermode* fXfermode; |
| SkPMColor* fBuffer; |
| |
| // illegal |
| SkARGB32_Shader_Blitter& operator=(const SkARGB32_Shader_Blitter&); |
| |
| typedef SkShaderBlitter INHERITED; |
| }; |
| |
| //////////////////////////////////////////////////////////////// |
| |
| class SkRGB16_Blitter : public SkRasterBlitter { |
| public: |
| SkRGB16_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| virtual void blitV(int x, int y, int height, SkAlpha alpha); |
| virtual void blitRect(int x, int y, int width, int height); |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| virtual const SkBitmap* justAnOpaqueColor(uint32_t*); |
| |
| private: |
| SkPMColor fSrcColor32; |
| unsigned fScale; |
| uint16_t fColor16; // already scaled by fScale |
| uint16_t fRawColor16; // unscaled |
| uint16_t fRawDither16; // unscaled |
| SkBool8 fDoDither; |
| |
| // illegal |
| SkRGB16_Blitter& operator=(const SkRGB16_Blitter&); |
| |
| typedef SkRasterBlitter INHERITED; |
| }; |
| |
| class SkRGB16_Black_Blitter : public SkRGB16_Blitter { |
| public: |
| SkRGB16_Black_Blitter(const SkBitmap& device, const SkPaint& paint); |
| |
| virtual void blitMask(const SkMask&, const SkIRect&); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| private: |
| typedef SkRGB16_Blitter INHERITED; |
| }; |
| |
| class SkRGB16_Shader_Blitter : public SkShaderBlitter { |
| public: |
| SkRGB16_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual ~SkRGB16_Shader_Blitter(); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| protected: |
| SkPMColor* fBuffer; |
| SkBlitRow::Proc fOpaqueProc; |
| SkBlitRow::Proc fAlphaProc; |
| |
| private: |
| // illegal |
| SkRGB16_Shader_Blitter& operator=(const SkRGB16_Shader_Blitter&); |
| |
| typedef SkShaderBlitter INHERITED; |
| }; |
| |
| // used only if the shader can perform shadSpan16 |
| class SkRGB16_Shader16_Blitter : public SkRGB16_Shader_Blitter { |
| public: |
| SkRGB16_Shader16_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| private: |
| typedef SkRGB16_Shader_Blitter INHERITED; |
| }; |
| |
| class SkRGB16_Shader_Xfermode_Blitter : public SkShaderBlitter { |
| public: |
| SkRGB16_Shader_Xfermode_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual ~SkRGB16_Shader_Xfermode_Blitter(); |
| virtual void blitH(int x, int y, int width); |
| virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); |
| |
| private: |
| SkXfermode* fXfermode; |
| SkPMColor* fBuffer; |
| uint8_t* fAAExpand; |
| |
| // illegal |
| SkRGB16_Shader_Xfermode_Blitter& operator=(const SkRGB16_Shader_Xfermode_Blitter&); |
| |
| typedef SkShaderBlitter INHERITED; |
| }; |
| |
| ///////////////////////////////////////////////////////////////////////////// |
| |
| class SkA1_Blitter : public SkRasterBlitter { |
| public: |
| SkA1_Blitter(const SkBitmap& device, const SkPaint& paint); |
| virtual void blitH(int x, int y, int width); |
| |
| private: |
| uint8_t fSrcA; |
| |
| // illegal |
| SkA1_Blitter& operator=(const SkA1_Blitter&); |
| |
| typedef SkRasterBlitter INHERITED; |
| }; |
| |
| |
| extern SkBlitter* SkBlitter_ChooseD4444(const SkBitmap& device, |
| const SkPaint& paint, |
| void* storage, size_t storageSize); |
| |
| #endif |
| |