gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp@97036ab72558 (annotated)
gfx/skia/trunk/src/core/SkProcSpriteBlitter.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | |
| michael@0 | 2 | /* |
| michael@0 | 3 | * Copyright 2006 The Android Open Source Project |
| michael@0 | 4 | * |
| michael@0 | 5 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 6 | * found in the LICENSE file. |
| michael@0 | 7 | */ |
| michael@0 | 8 | |
| michael@0 | 9 | |
| michael@0 | 10 | #if 0 // experimental |
| michael@0 | 11 | |
| michael@0 | 12 | class SkProcSpriteBlitter : public SkSpriteBlitter { |
| michael@0 | 13 | public: |
| michael@0 | 14 | typedef void (*Proc)(void* dst, const void* src, int count, const SkPMColor ctable[]); |
| michael@0 | 15 | |
| michael@0 | 16 | SkProcSpriteBlitter(const SkBitmap& source, Proc proc, unsigned srcShift, unsigned dstShift) |
| michael@0 | 17 | : SkSpriteBlitter(source), fProc(proc), fSrcShift(SkToU8(srcShift)), fDstShift(SkToU8(dstShift)) {} |
| michael@0 | 18 | |
| michael@0 | 19 | virtual void blitRect(int x, int y, int width, int height) |
| michael@0 | 20 | { |
| michael@0 | 21 | size_t dstRB = fDevice.rowBytes(); |
| michael@0 | 22 | size_t srcRB = fSource.rowBytes(); |
| michael@0 | 23 | char* dst = (char*)fDevice.getPixels() + y * dstRB + (x << fDstShift); |
| michael@0 | 24 | const char* src = (const char*)fSource.getPixels() + (y - fTop) * srcRB + ((x - fLeft) << fSrcShift); |
| michael@0 | 25 | Proc proc = fProc; |
| michael@0 | 26 | const SkPMColor* ctable = NULL; |
| michael@0 | 27 | |
| michael@0 | 28 | if fSource.getColorTable()) |
| michael@0 | 29 | ctable = fSource.getColorTable()->lockColors(); |
| michael@0 | 30 | |
| michael@0 | 31 | while (--height >= 0) |
| michael@0 | 32 | { |
| michael@0 | 33 | proc(dst, src, width, ctable); |
| michael@0 | 34 | dst += dstRB; |
| michael@0 | 35 | src += srcRB; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | if fSource.getColorTable()) |
| michael@0 | 39 | fSource.getColorTable()->unlockColors(); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | private: |
| michael@0 | 43 | Proc fProc; |
| michael@0 | 44 | uint8_t fSrcShift, fDstShift; |
| michael@0 | 45 | }; |
| michael@0 | 46 | |
| michael@0 | 47 | #endif |
