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/*
* 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.
*/
#if 0 // experimental
class SkProcSpriteBlitter : public SkSpriteBlitter {
public:
typedef void (*Proc)(void* dst, const void* src, int count, const SkPMColor ctable[]);
SkProcSpriteBlitter(const SkBitmap& source, Proc proc, unsigned srcShift, unsigned dstShift)
: SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDstShift(SkToU8(dstShift)) {}
virtual void blitRect(int x, int y, int width, int height)
{
size_t dstRB = fDevice.rowBytes();
size_t srcRB = fSource.rowBytes();
char* dst = (char*)fDevice.getPixels() + y * dstRB + (x << fDstShift);
const char* src = (const char*)fSource.getPixels() + (y - fTop) * srcRB + ((x - fLeft) << fSrcShift);
Proc proc = fProc;
const SkPMColor* ctable = NULL;
if fSource.getColorTable())
ctable = fSource.getColorTable()->lockColors();
while (--height >= 0)
{
proc(dst, src, width, ctable);
dst += dstRB;
src += srcRB;
}
if fSource.getColorTable())
fSource.getColorTable()->unlockColors();
}
private:
Proc fProc;
uint8_t fSrcShift, fDstShift;
};
#endif
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