зеркало из https://github.com/mozilla/gecko-dev.git
60 строки
1.6 KiB
C++
60 строки
1.6 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_SOURCESURFACEDUAL_H_
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#define MOZILLA_GFX_SOURCESURFACEDUAL_H_
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#include "2D.h"
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namespace mozilla {
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namespace gfx {
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class DualSurface;
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class DualPattern;
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class SourceSurfaceDual : public SourceSurface
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceDual, override)
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SourceSurfaceDual(DrawTarget *aDTA, DrawTarget *aDTB)
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: mA(aDTA->Snapshot())
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, mB(aDTB->Snapshot())
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{ }
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virtual SurfaceType GetType() const override { return SurfaceType::DUAL_DT; }
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virtual IntSize GetSize() const override { return mA->GetSize(); }
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virtual SurfaceFormat GetFormat() const override { return mA->GetFormat(); }
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// TODO: This is probably wrong as this was originally only
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// used for debugging purposes, but now has legacy relying on
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// giving the first type only.
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virtual already_AddRefed<DataSourceSurface> GetDataSurface() override {
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return mA->GetDataSurface();
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}
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SourceSurface* GetFirstSurface() {
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MOZ_ASSERT(mA->GetType() == mB->GetType());
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return mA;
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}
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bool SameSurfaceTypes() {
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return mA->GetType() == mB->GetType();
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}
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private:
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friend class DualSurface;
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friend class DualPattern;
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RefPtr<SourceSurface> mA;
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RefPtr<SourceSurface> mB;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SOURCESURFACEDUAL_H_ */
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