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comparison: gfx/2d/Helpers.h
gfx/2d/Helpers.h
- changeset 0
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| -1:000000000000 | 0:99198468018e |
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| 1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef MOZILLA_GFX_2D_HELPERS_H_ | |
| 7 #define MOZILLA_GFX_2D_HELPERS_H_ | |
| 8 | |
| 9 #include "2D.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace gfx { | |
| 13 | |
| 14 class AutoSaveTransform | |
| 15 { | |
| 16 public: | |
| 17 AutoSaveTransform(DrawTarget *aTarget) | |
| 18 : mDrawTarget(aTarget), | |
| 19 mOldTransform(aTarget->GetTransform()) | |
| 20 { | |
| 21 } | |
| 22 ~AutoSaveTransform() | |
| 23 { | |
| 24 mDrawTarget->SetTransform(mOldTransform); | |
| 25 } | |
| 26 | |
| 27 private: | |
| 28 RefPtr<DrawTarget> mDrawTarget; | |
| 29 Matrix mOldTransform; | |
| 30 }; | |
| 31 | |
| 32 } // namespace gfx | |
| 33 } // namespace mozilla | |
| 34 | |
| 35 #endif // MOZILLA_GFX_2D_HELPERS_H_ |
