michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #ifndef SkSpriteBlitter_DEFINED
michael@0: #define SkSpriteBlitter_DEFINED
michael@0: 
michael@0: #include "SkBitmap.h"
michael@0: #include "SkBitmapProcShader.h"
michael@0: #include "SkBlitter.h"
michael@0: #include "SkShader.h"
michael@0: #include "SkSmallAllocator.h"
michael@0: 
michael@0: class SkPaint;
michael@0: 
michael@0: class SkSpriteBlitter : public SkBlitter {
michael@0: public:
michael@0:             SkSpriteBlitter(const SkBitmap& source);
michael@0:     virtual ~SkSpriteBlitter();
michael@0: 
michael@0:     virtual void setup(const SkBitmap& device, int left, int top,
michael@0:                        const SkPaint& paint);
michael@0: 
michael@0:     // overrides
michael@0: #ifdef SK_DEBUG
michael@0:     virtual void    blitH(int x, int y, int width);
michael@0:     virtual void    blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]);
michael@0:     virtual void    blitV(int x, int y, int height, SkAlpha alpha);
michael@0:     virtual void    blitMask(const SkMask&, const SkIRect& clip);
michael@0: #endif
michael@0: 
michael@0:     static SkSpriteBlitter* ChooseD16(const SkBitmap& source, const SkPaint&,
michael@0:                                       SkTBlitterAllocator*);
michael@0:     static SkSpriteBlitter* ChooseD32(const SkBitmap& source, const SkPaint&,
michael@0:                                       SkTBlitterAllocator*);
michael@0: 
michael@0: protected:
michael@0:     const SkBitmap* fDevice;
michael@0:     const SkBitmap* fSource;
michael@0:     int             fLeft, fTop;
michael@0:     const SkPaint*  fPaint;
michael@0: };
michael@0: 
michael@0: #endif