michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: 
michael@0: class SkSPRITE_CLASSNAME : public SkSpriteBlitter {
michael@0: public:
michael@0:     SkSPRITE_CLASSNAME(const SkBitmap& source SkSPRITE_ARGS)
michael@0:         : SkSpriteBlitter(source) {
michael@0:         SkSPRITE_INIT
michael@0:     }
michael@0: 
michael@0:     virtual void blitRect(int x, int y, int width, int height) {
michael@0:         SkASSERT(width > 0 && height > 0);
michael@0:         int srcX = x - fLeft;
michael@0:         int srcY = y - fTop;
michael@0:         SkSPRITE_DST_TYPE* SK_RESTRICT dst =fDevice->SkSPRITE_DST_GETADDR(x, y);
michael@0:         const SkSPRITE_SRC_TYPE* SK_RESTRICT src =
michael@0:                                       fSource->SkSPRITE_SRC_GETADDR(srcX, srcY);
michael@0:         size_t dstRB = fDevice->rowBytes();
michael@0:         size_t srcRB = fSource->rowBytes();
michael@0: 
michael@0:         SkDEBUGCODE((void)fDevice->SkSPRITE_DST_GETADDR(x + width - 1, y + height - 1);)
michael@0:         SkDEBUGCODE((void)fSource->SkSPRITE_SRC_GETADDR(srcX + width  - 1, srcY + height - 1);)
michael@0: 
michael@0:         SkSPRITE_PREAMBLE((*fSource), srcX, srcY);
michael@0: 
michael@0:         do {
michael@0:             SkSPRITE_DST_TYPE* d = dst;
michael@0:             const SkSPRITE_SRC_TYPE* s = src;
michael@0: #ifdef SkSPRITE_BEGIN_ROW
michael@0:             SkSPRITE_BEGIN_ROW
michael@0: #endif
michael@0: 
michael@0: #ifdef SkSPRITE_ROW_PROC
michael@0:             SkSPRITE_ROW_PROC(d, s, width, x, y);
michael@0: #else
michael@0:             int w = width;
michael@0:             do {
michael@0:                 SkSPRITE_SRC_TYPE sc = *s++;
michael@0:                 SkSPRITE_BLIT_PIXEL(d, sc);
michael@0:                 d += 1;
michael@0:             } while (--w != 0);
michael@0: #endif
michael@0:             dst = (SkSPRITE_DST_TYPE* SK_RESTRICT)((char*)dst + dstRB);
michael@0:             src = (const SkSPRITE_SRC_TYPE* SK_RESTRICT)
michael@0:                                             ((const char*)src + srcRB);
michael@0:             SkSPRITE_NEXT_ROW
michael@0: #ifdef SkSPRITE_ROW_PROC
michael@0:             y += 1;
michael@0: #endif
michael@0:         } while (--height != 0);
michael@0: 
michael@0:         SkSPRITE_POSTAMBLE((*fSource));
michael@0:     }
michael@0: 
michael@0: private:
michael@0:     SkSPRITE_FIELDS
michael@0: };
michael@0: 
michael@0: #undef SkSPRITE_BLIT_PIXEL
michael@0: #undef SkSPRITE_CLASSNAME
michael@0: #undef SkSPRITE_DST_TYPE
michael@0: #undef SkSPRITE_SRC_TYPE
michael@0: #undef SkSPRITE_DST_GETADDR
michael@0: #undef SkSPRITE_SRC_GETADDR
michael@0: #undef SkSPRITE_PREAMBLE
michael@0: #undef SkSPRITE_POSTAMBLE
michael@0: #undef SkSPRITE_ARGS
michael@0: #undef SkSPRITE_FIELDS
michael@0: #undef SkSPRITE_INIT
michael@0: #undef SkSPRITE_NEXT_ROW
michael@0: #undef SkSPRITE_BEGIN_ROW
michael@0: 
michael@0: #ifdef SkSPRITE_ROW_PROC
michael@0:     #undef SkSPRITE_ROW_PROC
michael@0: #endif