diff options
Diffstat (limited to 'libs/graphics/sgl/SkSpriteBlitterTemplate.h')
| -rw-r--r-- | libs/graphics/sgl/SkSpriteBlitterTemplate.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/libs/graphics/sgl/SkSpriteBlitterTemplate.h b/libs/graphics/sgl/SkSpriteBlitterTemplate.h new file mode 100644 index 0000000000..23d2fbf872 --- /dev/null +++ b/libs/graphics/sgl/SkSpriteBlitterTemplate.h @@ -0,0 +1,60 @@ + +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* dst = fDevice->SkSPRITE_DST_GETADDR(x, y); + const 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 + int w = width; + do { + SkSPRITE_SRC_TYPE sc = *s++; + SkSPRITE_BLIT_PIXEL(d, sc); + d += 1; + } while (--w != 0); + dst = (SkSPRITE_DST_TYPE*)((char*)dst + dstRB); + src = (const SkSPRITE_SRC_TYPE*)((const char*)src + srcRB); + SkSPRITE_NEXT_ROW + } 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 + |