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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 final : public DataSourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceWrapper, override)
explicit DataSourceSurfaceWrapper(DataSourceSurface* aSurface)
: mSurface(aSurface) {}
bool Equals(SourceSurface* aOther, bool aSymmetric = true) override {
return DataSourceSurface::Equals(aOther, aSymmetric) ||
mSurface->Equals(aOther, aSymmetric);
}
SurfaceType GetType() const override { return SurfaceType::DATA; }
uint8_t* GetData() override { return mSurface->GetData(); }
int32_t Stride() override { return mSurface->Stride(); }
IntSize GetSize() const override { return mSurface->GetSize(); }
SurfaceFormat GetFormat() const override { return mSurface->GetFormat(); }
bool IsValid() const override { return mSurface->IsValid(); }
bool Map(MapType aType, MappedSurface* aMappedSurface) override {
return mSurface->Map(aType, aMappedSurface);
}
void Unmap() override { mSurface->Unmap(); }
private:
RefPtr<DataSourceSurface> mSurface;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_DATASOURCESURFACEWRAPPER_H_ */