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