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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, un
signed dstShift) | |
17 : SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDs
tShift(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 << fDstShi
ft); | |
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()->readColors(); | |
30 | |
31 while (--height >= 0) | |
32 { | |
33 proc(dst, src, width, ctable); | |
34 dst += dstRB; | |
35 src += srcRB; | |
36 } | |
37 } | |
38 | |
39 private: | |
40 Proc fProc; | |
41 uint8_t fSrcShift, fDstShift; | |
42 }; | |
43 | |
44 #endif | |
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