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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.
*/
class SkSPRITE_CLASSNAME : public SkSpriteBlitter {
public:
SkSPRITE_CLASSNAME(const SkBitmap& source SkSPRITE_ARGS)
: SkSpriteBlitter(source) {
SkSPRITE_INIT
}
virtual void blitRect(int x, int y, int width, int height) {
SkASSERT(width > 0 && height > 0);
int srcX = x - fLeft;
int srcY = y - fTop;
SkSPRITE_DST_TYPE* SK_RESTRICT dst =fDevice->SkSPRITE_DST_GETADDR(x, y);
const SkSPRITE_SRC_TYPE* SK_RESTRICT src =
fSource->SkSPRITE_SRC_GETADDR(srcX, srcY);
unsigned dstRB = fDevice->rowBytes();
unsigned srcRB = fSource->rowBytes();
SkDEBUGCODE((void)fDevice->SkSPRITE_DST_GETADDR(x + width - 1, y + height - 1);)
SkDEBUGCODE((void)fSource->SkSPRITE_SRC_GETADDR(srcX + width - 1, srcY + height - 1);)
SkSPRITE_PREAMBLE((*fSource), srcX, srcY);
do {
SkSPRITE_DST_TYPE* d = dst;
const SkSPRITE_SRC_TYPE* s = src;
#ifdef SkSPRITE_BEGIN_ROW
SkSPRITE_BEGIN_ROW
#endif
#ifdef SkSPRITE_ROW_PROC
SkSPRITE_ROW_PROC(d, s, width, x, y);
#else
int w = width;
do {
SkSPRITE_SRC_TYPE sc = *s++;
SkSPRITE_BLIT_PIXEL(d, sc);
d += 1;
} while (--w != 0);
#endif
dst = (SkSPRITE_DST_TYPE* SK_RESTRICT)((char*)dst + dstRB);
src = (const SkSPRITE_SRC_TYPE* SK_RESTRICT)
((const char*)src + srcRB);
SkSPRITE_NEXT_ROW
#ifdef SkSPRITE_ROW_PROC
y += 1;
#endif
} while (--height != 0);
SkSPRITE_POSTAMBLE((*fSource));
}
private:
SkSPRITE_FIELDS
};
#undef SkSPRITE_BLIT_PIXEL
#undef SkSPRITE_CLASSNAME
#undef SkSPRITE_DST_TYPE
#undef SkSPRITE_SRC_TYPE
#undef SkSPRITE_DST_GETADDR
#undef SkSPRITE_SRC_GETADDR
#undef SkSPRITE_PREAMBLE
#undef SkSPRITE_POSTAMBLE
#undef SkSPRITE_ARGS
#undef SkSPRITE_FIELDS
#undef SkSPRITE_INIT
#undef SkSPRITE_NEXT_ROW
#undef SkSPRITE_BEGIN_ROW
#ifdef SkSPRITE_ROW_PROC
#undef SkSPRITE_ROW_PROC
#endif
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