The Tor Browser / file comparison
comparison: gfx/thebes/gfxReusableImageSurfaceWrapper.cpp
gfx/thebes/gfxReusableImageSurfaceWrapper.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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replaced
| -1:000000000000 | 0:503778de5ff5 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "gfxReusableImageSurfaceWrapper.h" | |
| 6 #include "gfxImageSurface.h" | |
| 7 | |
| 8 gfxReusableImageSurfaceWrapper::gfxReusableImageSurfaceWrapper(gfxImageSurface* aSurface) | |
| 9 : mSurface(aSurface) | |
| 10 { | |
| 11 MOZ_COUNT_CTOR(gfxReusableImageSurfaceWrapper); | |
| 12 } | |
| 13 | |
| 14 gfxReusableImageSurfaceWrapper::~gfxReusableImageSurfaceWrapper() | |
| 15 { | |
| 16 MOZ_COUNT_DTOR(gfxReusableImageSurfaceWrapper); | |
| 17 } | |
| 18 | |
| 19 void | |
| 20 gfxReusableImageSurfaceWrapper::ReadLock() | |
| 21 { | |
| 22 NS_ASSERT_OWNINGTHREAD(gfxReusableImageSurfaceWrapper); | |
| 23 AddRef(); | |
| 24 } | |
| 25 | |
| 26 void | |
| 27 gfxReusableImageSurfaceWrapper::ReadUnlock() | |
| 28 { | |
| 29 Release(); | |
| 30 } | |
| 31 | |
| 32 gfxReusableSurfaceWrapper* | |
| 33 gfxReusableImageSurfaceWrapper::GetWritable(gfxImageSurface** aSurface) | |
| 34 { | |
| 35 NS_ASSERT_OWNINGTHREAD(gfxReusableImageSurfaceWrapper); | |
| 36 | |
| 37 if (mRefCnt == 1) { | |
| 38 *aSurface = mSurface; | |
| 39 return this; | |
| 40 } | |
| 41 | |
| 42 // Something else is reading the surface, copy it | |
| 43 gfxImageSurface* copySurface = new gfxImageSurface(mSurface->GetSize(), mSurface->Format(), false); | |
| 44 copySurface->CopyFrom(mSurface); | |
| 45 *aSurface = copySurface; | |
| 46 | |
| 47 return new gfxReusableImageSurfaceWrapper(copySurface); | |
| 48 } | |
| 49 | |
| 50 const unsigned char* | |
| 51 gfxReusableImageSurfaceWrapper::GetReadOnlyData() const | |
| 52 { | |
| 53 return mSurface->Data(); | |
| 54 } | |
| 55 | |
| 56 gfxImageFormat | |
| 57 gfxReusableImageSurfaceWrapper::Format() | |
| 58 { | |
| 59 return mSurface->Format(); | |
| 60 } | |
| 61 |
