1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,47 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2006 The Android Open Source Project
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#if 0 // experimental
1.14 +
1.15 +class SkProcSpriteBlitter : public SkSpriteBlitter {
1.16 +public:
1.17 + typedef void (*Proc)(void* dst, const void* src, int count, const SkPMColor ctable[]);
1.18 +
1.19 + SkProcSpriteBlitter(const SkBitmap& source, Proc proc, unsigned srcShift, unsigned dstShift)
1.20 + : SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDstShift(SkToU8(dstShift)) {}
1.21 +
1.22 + virtual void blitRect(int x, int y, int width, int height)
1.23 + {
1.24 + size_t dstRB = fDevice.rowBytes();
1.25 + size_t srcRB = fSource.rowBytes();
1.26 + char* dst = (char*)fDevice.getPixels() + y * dstRB + (x << fDstShift);
1.27 + const char* src = (const char*)fSource.getPixels() + (y - fTop) * srcRB + ((x - fLeft) << fSrcShift);
1.28 + Proc proc = fProc;
1.29 + const SkPMColor* ctable = NULL;
1.30 +
1.31 + if fSource.getColorTable())
1.32 + ctable = fSource.getColorTable()->lockColors();
1.33 +
1.34 + while (--height >= 0)
1.35 + {
1.36 + proc(dst, src, width, ctable);
1.37 + dst += dstRB;
1.38 + src += srcRB;
1.39 + }
1.40 +
1.41 + if fSource.getColorTable())
1.42 + fSource.getColorTable()->unlockColors();
1.43 + }
1.44 +
1.45 +private:
1.46 + Proc fProc;
1.47 + uint8_t fSrcShift, fDstShift;
1.48 +};
1.49 +
1.50 +#endif
