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 SkSpriteBlitter_DEFINED
11#define SkSpriteBlitter_DEFINED
12
13#include "SkBitmap.h"
14#include "SkBitmapProcShader.h"
15#include "SkBlitter.h"
16#include "SkShader.h"
17#include "SkSmallAllocator.h"
18
19class SkPaint;
20
21class SkSpriteBlitter : public SkBlitter {
22public:
23            SkSpriteBlitter(const SkBitmap& source);
24    virtual ~SkSpriteBlitter();
25
26    virtual void setup(const SkBitmap& device, int left, int top,
27                       const SkPaint& paint);
28
29    // overrides
30#ifdef SK_DEBUG
31    virtual void    blitH(int x, int y, int width);
32    virtual void    blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]);
33    virtual void    blitV(int x, int y, int height, SkAlpha alpha);
34    virtual void    blitMask(const SkMask&, const SkIRect& clip);
35#endif
36
37    static SkSpriteBlitter* ChooseD16(const SkBitmap& source, const SkPaint&,
38                                      SkTBlitterAllocator*);
39    static SkSpriteBlitter* ChooseD32(const SkBitmap& source, const SkPaint&,
40                                      SkTBlitterAllocator*);
41
42protected:
43    const SkBitmap* fDevice;
44    const SkBitmap* fSource;
45    int             fLeft, fTop;
46    const SkPaint*  fPaint;
47};
48
49#endif
50