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40 lines
1.4 KiB
C++
40 lines
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_DATASOURCESURFACEWRAPPER_H_
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#define MOZILLA_GFX_DATASOURCESURFACEWRAPPER_H_
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#include "2D.h"
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namespace mozilla {
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namespace gfx {
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// Wraps a DataSourceSurface and forwards all methods except for GetType(),
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// from which it always returns SurfaceType::DATA.
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class DataSourceSurfaceWrapper : public DataSourceSurface
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceWrapper, MOZ_OVERRIDE)
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explicit DataSourceSurfaceWrapper(DataSourceSurface *aSurface)
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: mSurface(aSurface)
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{}
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virtual SurfaceType GetType() const MOZ_OVERRIDE { return SurfaceType::DATA; }
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virtual uint8_t *GetData() MOZ_OVERRIDE { return mSurface->GetData(); }
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virtual int32_t Stride() MOZ_OVERRIDE { return mSurface->Stride(); }
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virtual IntSize GetSize() const MOZ_OVERRIDE { return mSurface->GetSize(); }
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virtual SurfaceFormat GetFormat() const MOZ_OVERRIDE { return mSurface->GetFormat(); }
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virtual bool IsValid() const MOZ_OVERRIDE { return mSurface->IsValid(); }
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private:
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RefPtr<DataSourceSurface> mSurface;
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};
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}
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}
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#endif /* MOZILLA_GFX_DATASOURCESURFACEWRAPPER_H_ */
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