gfx/2d/Helpers.h@97036ab72558 (annotated)
gfx/2d/Helpers.h
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 | /* -*- Mode: C++; tab-width: 20; 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 MOZILLA_GFX_2D_HELPERS_H_ |
| michael@0 | 7 | #define MOZILLA_GFX_2D_HELPERS_H_ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "2D.h" |
| michael@0 | 10 | |
| michael@0 | 11 | namespace mozilla { |
| michael@0 | 12 | namespace gfx { |
| michael@0 | 13 | |
| michael@0 | 14 | class AutoSaveTransform |
| michael@0 | 15 | { |
| michael@0 | 16 | public: |
| michael@0 | 17 | AutoSaveTransform(DrawTarget *aTarget) |
| michael@0 | 18 | : mDrawTarget(aTarget), |
| michael@0 | 19 | mOldTransform(aTarget->GetTransform()) |
| michael@0 | 20 | { |
| michael@0 | 21 | } |
| michael@0 | 22 | ~AutoSaveTransform() |
| michael@0 | 23 | { |
| michael@0 | 24 | mDrawTarget->SetTransform(mOldTransform); |
| michael@0 | 25 | } |
| michael@0 | 26 | |
| michael@0 | 27 | private: |
| michael@0 | 28 | RefPtr<DrawTarget> mDrawTarget; |
| michael@0 | 29 | Matrix mOldTransform; |
| michael@0 | 30 | }; |
| michael@0 | 31 | |
| michael@0 | 32 | } // namespace gfx |
| michael@0 | 33 | } // namespace mozilla |
| michael@0 | 34 | |
| michael@0 | 35 | #endif // MOZILLA_GFX_2D_HELPERS_H_ |
