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/* libs/graphics/sgl/SkSpriteBlitterTemplate.h
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
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;
SK_RESTRICT SkSPRITE_DST_TYPE* dst =fDevice->SkSPRITE_DST_GETADDR(x, y);
const SK_RESTRICT SkSPRITE_SRC_TYPE* 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 = (SK_RESTRICT SkSPRITE_DST_TYPE*)((char*)dst + dstRB);
src = (const SK_RESTRICT SkSPRITE_SRC_TYPE*)
((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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