mirror of https://github.com/axmolengine/axmol.git
91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
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/* libs/graphics/sgl/SkSpriteBlitterTemplate.h
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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class SkSPRITE_CLASSNAME : public SkSpriteBlitter {
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public:
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SkSPRITE_CLASSNAME(const SkBitmap& source SkSPRITE_ARGS)
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: SkSpriteBlitter(source) {
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SkSPRITE_INIT
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}
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virtual void blitRect(int x, int y, int width, int height) {
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SkASSERT(width > 0 && height > 0);
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int srcX = x - fLeft;
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int srcY = y - fTop;
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SkSPRITE_DST_TYPE* SK_RESTRICT dst =fDevice->SkSPRITE_DST_GETADDR(x, y);
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const SkSPRITE_SRC_TYPE* SK_RESTRICT src =
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fSource->SkSPRITE_SRC_GETADDR(srcX, srcY);
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unsigned dstRB = fDevice->rowBytes();
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unsigned srcRB = fSource->rowBytes();
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SkDEBUGCODE((void)fDevice->SkSPRITE_DST_GETADDR(x + width - 1, y + height - 1);)
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SkDEBUGCODE((void)fSource->SkSPRITE_SRC_GETADDR(srcX + width - 1, srcY + height - 1);)
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SkSPRITE_PREAMBLE((*fSource), srcX, srcY);
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do {
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SkSPRITE_DST_TYPE* d = dst;
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const SkSPRITE_SRC_TYPE* s = src;
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#ifdef SkSPRITE_BEGIN_ROW
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SkSPRITE_BEGIN_ROW
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#endif
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#ifdef SkSPRITE_ROW_PROC
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SkSPRITE_ROW_PROC(d, s, width, x, y);
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#else
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int w = width;
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do {
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SkSPRITE_SRC_TYPE sc = *s++;
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SkSPRITE_BLIT_PIXEL(d, sc);
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d += 1;
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} while (--w != 0);
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#endif
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dst = (SkSPRITE_DST_TYPE* SK_RESTRICT)((char*)dst + dstRB);
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src = (const SkSPRITE_SRC_TYPE* SK_RESTRICT)
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((const char*)src + srcRB);
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SkSPRITE_NEXT_ROW
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#ifdef SkSPRITE_ROW_PROC
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y += 1;
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#endif
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} while (--height != 0);
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SkSPRITE_POSTAMBLE((*fSource));
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}
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private:
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SkSPRITE_FIELDS
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};
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#undef SkSPRITE_BLIT_PIXEL
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#undef SkSPRITE_CLASSNAME
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#undef SkSPRITE_DST_TYPE
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#undef SkSPRITE_SRC_TYPE
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#undef SkSPRITE_DST_GETADDR
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#undef SkSPRITE_SRC_GETADDR
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#undef SkSPRITE_PREAMBLE
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#undef SkSPRITE_POSTAMBLE
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#undef SkSPRITE_ARGS
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#undef SkSPRITE_FIELDS
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#undef SkSPRITE_INIT
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#undef SkSPRITE_NEXT_ROW
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#undef SkSPRITE_BEGIN_ROW
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#ifdef SkSPRITE_ROW_PROC
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#undef SkSPRITE_ROW_PROC
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#endif
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