1 2 /* 3 * Copyright 2006 The Android Open Source Project 4 * 5 * Use of this source code is governed by a BSD-style license that can be 6 * found in the LICENSE file. 7 */ 8 9 10 #if 0 // experimental 11 12 class SkProcSpriteBlitter : public SkSpriteBlitter { 13 public: 14 typedef void (*Proc)(void* dst, const void* src, int count, const SkPMColor ctable[]); 15 16 SkProcSpriteBlitter(const SkBitmap& source, Proc proc, unsigned srcShift, unsigned dstShift) 17 : SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDstShift(SkToU8(dstShift)) {} 18 19 virtual void blitRect(int x, int y, int width, int height) 20 { 21 size_t dstRB = fDevice.rowBytes(); 22 size_t srcRB = fSource.rowBytes(); 23 char* dst = (char*)fDevice.getPixels() + y * dstRB + (x << fDstShift); 24 const char* src = (const char*)fSource.getPixels() + (y - fTop) * srcRB + ((x - fLeft) << fSrcShift); 25 Proc proc = fProc; 26 const SkPMColor* ctable = NULL; 27 28 if fSource.getColorTable()) 29 ctable = fSource.getColorTable()->lockColors(); 30 31 while (--height >= 0) 32 { 33 proc(dst, src, width, ctable); 34 dst += dstRB; 35 src += srcRB; 36 } 37 38 if fSource.getColorTable()) 39 fSource.getColorTable()->unlockColors(false); 40 } 41 42 private: 43 Proc fProc; 44 uint8_t fSrcShift, fDstShift; 45 }; 46 47 #endif 48
