зеркало из https://github.com/mozilla/gecko-dev.git
48 строки
1.4 KiB
C++
48 строки
1.4 KiB
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_SOURCESURFACEDUAL_H_
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#define MOZILLA_GFX_SOURCESURFACEDUAL_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 DualSurface;
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class DualPattern;
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class SourceSurfaceDual : public SourceSurface
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceDual)
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SourceSurfaceDual(DrawTarget *aDTA, DrawTarget *aDTB)
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: mA(aDTA->Snapshot())
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, mB(aDTB->Snapshot())
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{ }
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virtual SurfaceType GetType() const { return SurfaceType::DUAL_DT; }
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virtual IntSize GetSize() const { return mA->GetSize(); }
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virtual SurfaceFormat GetFormat() const { return mA->GetFormat(); }
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// This is implemented for debugging purposes only (used by dumping
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// client-side textures for paint dumps), for which we don't care about
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// component alpha, so we just use the first of the two surfaces.
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virtual already_AddRefed<DataSourceSurface> GetDataSurface() {
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return mA->GetDataSurface();
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}
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private:
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friend class DualSurface;
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friend class DualPattern;
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RefPtr<SourceSurface> mA;
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RefPtr<SourceSurface> mB;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SOURCESURFACEDUAL_H_ */
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