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