gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp@deefc01c0e14
gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
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 */
10 #if 0 // experimental
12 class SkProcSpriteBlitter : public SkSpriteBlitter {
13 public:
14 typedef void (*Proc)(void* dst, const void* src, int count, const SkPMColor ctable[]);
16 SkProcSpriteBlitter(const SkBitmap& source, Proc proc, unsigned srcShift, unsigned dstShift)
17 : SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDstShift(SkToU8(dstShift)) {}
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;
28 if fSource.getColorTable())
29 ctable = fSource.getColorTable()->lockColors();
31 while (--height >= 0)
32 {
33 proc(dst, src, width, ctable);
34 dst += dstRB;
35 src += srcRB;
36 }
38 if fSource.getColorTable())
39 fSource.getColorTable()->unlockColors();
40 }
42 private:
43 Proc fProc;
44 uint8_t fSrcShift, fDstShift;
45 };
47 #endif
