src/core/SkSpriteBlitter.h

/*
 * 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 SkSpriteBlitter_DEFINED
#define SkSpriteBlitter_DEFINED

#include "SkBitmap.h"
#include "SkBitmapProcShader.h"
#include "SkBlitter.h"
#include "SkShader.h"
#include "SkSmallAllocator.h"

class SkPaint;

class SkSpriteBlitter : public SkBlitter {
public:
    SkSpriteBlitter(const SkPixmap& source);

    virtual void setup(const SkBitmap& device, int left, int top, const SkPaint&);

#ifdef SK_DEBUG
    void blitH(int x, int y, int width) override;
    void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]) override;
    void blitV(int x, int y, int height, SkAlpha alpha) override;
    void blitMask(const SkMask&, const SkIRect& clip) override;
#endif

    static SkSpriteBlitter* ChooseD16(const SkPixmap& source, const SkPaint&, SkTBlitterAllocator*);
    static SkSpriteBlitter* ChooseD32(const SkPixmap& source, const SkPaint&, SkTBlitterAllocator*);

protected:
    const SkBitmap* fDevice;
    const SkPixmap  fSource;
    int             fLeft, fTop;
    const SkPaint*  fPaint;
};

#endif