The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp
gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:055df826cf7a |
|---|---|
| 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(); | |
| 40 } | |
| 41 | |
| 42 private: | |
| 43 Proc fProc; | |
| 44 uint8_t fSrcShift, fDstShift; | |
| 45 }; | |
| 46 | |
| 47 #endif |
