gfx/layers/basic/AutoMaskData.h@6474c204b198 (annotated)
gfx/layers/basic/AutoMaskData.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef GFX_AUTOMASKDATA_H_ |
| michael@0 | 7 | #define GFX_AUTOMASKDATA_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | namespace layers { |
| michael@0 | 13 | |
| michael@0 | 14 | /** |
| michael@0 | 15 | * Drawing with a mask requires a mask surface and a transform. |
| michael@0 | 16 | * |
| michael@0 | 17 | * This helper class manages the SourceSurface logic. |
| michael@0 | 18 | */ |
| michael@0 | 19 | class MOZ_STACK_CLASS AutoMoz2DMaskData { |
| michael@0 | 20 | public: |
| michael@0 | 21 | AutoMoz2DMaskData() { } |
| michael@0 | 22 | ~AutoMoz2DMaskData() { } |
| michael@0 | 23 | |
| michael@0 | 24 | void Construct(const gfx::Matrix& aTransform, |
| michael@0 | 25 | gfx::SourceSurface* aSurface) |
| michael@0 | 26 | { |
| michael@0 | 27 | MOZ_ASSERT(!IsConstructed()); |
| michael@0 | 28 | mTransform = aTransform; |
| michael@0 | 29 | mSurface = aSurface; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | gfx::SourceSurface* GetSurface() |
| michael@0 | 33 | { |
| michael@0 | 34 | MOZ_ASSERT(IsConstructed()); |
| michael@0 | 35 | return mSurface.get(); |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | const gfx::Matrix& GetTransform() |
| michael@0 | 39 | { |
| michael@0 | 40 | MOZ_ASSERT(IsConstructed()); |
| michael@0 | 41 | return mTransform; |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | private: |
| michael@0 | 45 | bool IsConstructed() |
| michael@0 | 46 | { |
| michael@0 | 47 | return !!mSurface; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | gfx::Matrix mTransform; |
| michael@0 | 51 | RefPtr<gfx::SourceSurface> mSurface; |
| michael@0 | 52 | |
| michael@0 | 53 | AutoMoz2DMaskData(const AutoMoz2DMaskData&) MOZ_DELETE; |
| michael@0 | 54 | AutoMoz2DMaskData& operator=(const AutoMoz2DMaskData&) MOZ_DELETE; |
| michael@0 | 55 | }; |
| michael@0 | 56 | |
| michael@0 | 57 | } |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | #endif // GFX_AUTOMASKDATA_H_ |
