gecko-dev/gfx/2d/SourceSurfaceDual.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_SOURCESURFACEDUAL_H_
#define MOZILLA_GFX_SOURCESURFACEDUAL_H_
#include "2D.h"
namespace mozilla {
namespace gfx {
class DualSurface;
class DualPattern;
class SourceSurfaceDual : public SourceSurface
{
public:
SourceSurfaceDual(DrawTarget *aDTA, DrawTarget *aDTB)
: mA(aDTA->Snapshot())
, mB(aDTB->Snapshot())
{ }
virtual SurfaceType GetType() const { return SURFACE_DUAL_DT; }
virtual IntSize GetSize() const { return mA->GetSize(); }
virtual SurfaceFormat GetFormat() const { return mA->GetFormat(); }
/* Readback from this surface type is not supported! */
virtual TemporaryRef<DataSourceSurface> GetDataSurface() { return NULL; }
private:
friend class DualSurface;
friend class DualPattern;
RefPtr<SourceSurface> mA;
RefPtr<SourceSurface> mB;
};
}
}
#endif /* MOZILLA_GFX_SOURCESURFACEDUAL_H_ */