| |
| /* |
| * Copyright 2006 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #ifndef SkBitmapProcShader_DEFINED |
| #define SkBitmapProcShader_DEFINED |
| |
| #include "SkShader.h" |
| #include "SkBitmapProcState.h" |
| |
| class SkBitmapProcShader : public SkShader { |
| public: |
| SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty); |
| |
| // overrides from SkShader |
| virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&); |
| virtual uint32_t getFlags() { return fFlags; } |
| virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count); |
| virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count); |
| virtual void beginSession(); |
| virtual void endSession(); |
| virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*, |
| SkScalar* twoPointRadialParams) const; |
| |
| static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); |
| |
| static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
| return SkNEW_ARGS(SkBitmapProcShader, (buffer)); |
| } |
| |
| // override from flattenable |
| virtual bool toDumpString(SkString* str) const; |
| |
| protected: |
| SkBitmapProcShader(SkFlattenableReadBuffer& ); |
| virtual void flatten(SkFlattenableWriteBuffer& ); |
| virtual Factory getFactory() { return CreateProc; } |
| |
| SkBitmap fRawBitmap; // experimental for RLE encoding |
| SkBitmapProcState fState; |
| uint32_t fFlags; |
| |
| private: |
| typedef SkShader INHERITED; |
| }; |
| |
| #endif |