gfx/thebes/gfxReusableImageSurfaceWrapper.cpp@b8a032363ba2 (annotated)
gfx/thebes/gfxReusableImageSurfaceWrapper.cpp
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | #include "gfxReusableImageSurfaceWrapper.h" |
| michael@0 | 6 | #include "gfxImageSurface.h" |
| michael@0 | 7 | |
| michael@0 | 8 | gfxReusableImageSurfaceWrapper::gfxReusableImageSurfaceWrapper(gfxImageSurface* aSurface) |
| michael@0 | 9 | : mSurface(aSurface) |
| michael@0 | 10 | { |
| michael@0 | 11 | MOZ_COUNT_CTOR(gfxReusableImageSurfaceWrapper); |
| michael@0 | 12 | } |
| michael@0 | 13 | |
| michael@0 | 14 | gfxReusableImageSurfaceWrapper::~gfxReusableImageSurfaceWrapper() |
| michael@0 | 15 | { |
| michael@0 | 16 | MOZ_COUNT_DTOR(gfxReusableImageSurfaceWrapper); |
| michael@0 | 17 | } |
| michael@0 | 18 | |
| michael@0 | 19 | void |
| michael@0 | 20 | gfxReusableImageSurfaceWrapper::ReadLock() |
| michael@0 | 21 | { |
| michael@0 | 22 | NS_ASSERT_OWNINGTHREAD(gfxReusableImageSurfaceWrapper); |
| michael@0 | 23 | AddRef(); |
| michael@0 | 24 | } |
| michael@0 | 25 | |
| michael@0 | 26 | void |
| michael@0 | 27 | gfxReusableImageSurfaceWrapper::ReadUnlock() |
| michael@0 | 28 | { |
| michael@0 | 29 | Release(); |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | gfxReusableSurfaceWrapper* |
| michael@0 | 33 | gfxReusableImageSurfaceWrapper::GetWritable(gfxImageSurface** aSurface) |
| michael@0 | 34 | { |
| michael@0 | 35 | NS_ASSERT_OWNINGTHREAD(gfxReusableImageSurfaceWrapper); |
| michael@0 | 36 | |
| michael@0 | 37 | if (mRefCnt == 1) { |
| michael@0 | 38 | *aSurface = mSurface; |
| michael@0 | 39 | return this; |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | // Something else is reading the surface, copy it |
| michael@0 | 43 | gfxImageSurface* copySurface = new gfxImageSurface(mSurface->GetSize(), mSurface->Format(), false); |
| michael@0 | 44 | copySurface->CopyFrom(mSurface); |
| michael@0 | 45 | *aSurface = copySurface; |
| michael@0 | 46 | |
| michael@0 | 47 | return new gfxReusableImageSurfaceWrapper(copySurface); |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | const unsigned char* |
| michael@0 | 51 | gfxReusableImageSurfaceWrapper::GetReadOnlyData() const |
| michael@0 | 52 | { |
| michael@0 | 53 | return mSurface->Data(); |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | gfxImageFormat |
| michael@0 | 57 | gfxReusableImageSurfaceWrapper::Format() |
| michael@0 | 58 | { |
| michael@0 | 59 | return mSurface->Format(); |
| michael@0 | 60 | } |
| michael@0 | 61 |
