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36 lines
800 B
C++
36 lines
800 B
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_2D_HELPERS_H_
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#define MOZILLA_GFX_2D_HELPERS_H_
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#include "2D.h"
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namespace mozilla {
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namespace gfx {
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class AutoSaveTransform
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{
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public:
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explicit AutoSaveTransform(DrawTarget *aTarget)
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: mDrawTarget(aTarget),
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mOldTransform(aTarget->GetTransform())
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{
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}
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~AutoSaveTransform()
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{
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mDrawTarget->SetTransform(mOldTransform);
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}
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private:
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RefPtr<DrawTarget> mDrawTarget;
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Matrix mOldTransform;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif // MOZILLA_GFX_2D_HELPERS_H_
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