1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #ifndef SkBitmapProcShader_DEFINED 11 #define SkBitmapProcShader_DEFINED 12 13 #include "SkShader.h" 14 #include "SkBitmapProcState.h" 15 16 class SkBitmapProcShader : public SkShader { 17 public: 18 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty); 19 20 // overrides from SkShader 21 virtual bool isOpaque() const SK_OVERRIDE; 22 virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&) SK_OVERRIDE; 23 virtual void endContext() SK_OVERRIDE; getFlags()24 virtual uint32_t getFlags() SK_OVERRIDE { return fFlags; } 25 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 26 virtual ShadeProc asAShadeProc(void** ctx) SK_OVERRIDE; 27 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE; 28 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERRIDE; 29 30 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); 31 32 SK_DEVELOPER_TO_STRING() 33 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) 34 35 #if SK_SUPPORT_GPU 36 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE; 37 #endif 38 39 protected: 40 SkBitmapProcShader(SkFlattenableReadBuffer& ); 41 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; 42 43 SkBitmap fRawBitmap; // experimental for RLE encoding 44 SkBitmapProcState fState; 45 uint32_t fFlags; 46 47 private: 48 typedef SkShader INHERITED; 49 }; 50 51 #endif 52