gfx/2d/SourceSurfaceDual.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/2d/SourceSurfaceDual.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,43 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 +  * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +     
     1.9 +#ifndef MOZILLA_GFX_SOURCESURFACEDUAL_H_
    1.10 +#define MOZILLA_GFX_SOURCESURFACEDUAL_H_
    1.11 +     
    1.12 +#include "2D.h"
    1.13 +     
    1.14 +namespace mozilla {
    1.15 +namespace gfx {
    1.16 +
    1.17 +class DualSurface;
    1.18 +class DualPattern;
    1.19 +
    1.20 +class SourceSurfaceDual : public SourceSurface
    1.21 +{
    1.22 +public:
    1.23 +  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceDual)
    1.24 +  SourceSurfaceDual(DrawTarget *aDTA, DrawTarget *aDTB)
    1.25 +    : mA(aDTA->Snapshot())
    1.26 +    , mB(aDTB->Snapshot())
    1.27 +  { }
    1.28 +
    1.29 +  virtual SurfaceType GetType() const { return SurfaceType::DUAL_DT; }
    1.30 +  virtual IntSize GetSize() const { return mA->GetSize(); }
    1.31 +  virtual SurfaceFormat GetFormat() const { return mA->GetFormat(); }
    1.32 +
    1.33 +  /* Readback from this surface type is not supported! */
    1.34 +  virtual TemporaryRef<DataSourceSurface> GetDataSurface() { return nullptr; }
    1.35 +private:
    1.36 +  friend class DualSurface;
    1.37 +  friend class DualPattern;
    1.38 +
    1.39 +  RefPtr<SourceSurface> mA;
    1.40 +  RefPtr<SourceSurface> mB;
    1.41 +};
    1.42 +
    1.43 +}
    1.44 +}
    1.45 +
    1.46 +#endif /* MOZILLA_GFX_SOURCESURFACEDUAL_H_ */

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