Mypal/gfx/2d/SourceSurfaceDual.h

48 lines
1.4 KiB
C++

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