зеркало из https://github.com/mozilla/gecko-dev.git
49 строки
1.5 KiB
C++
49 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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 GFX_BASICCANVASLAYER_H
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#define GFX_BASICCANVASLAYER_H
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#include "BasicImplData.h" // for BasicImplData
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#include "BasicLayers.h" // for BasicLayerManager
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#include "CopyableCanvasLayer.h" // for CopyableCanvasLayer
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#include "Layers.h" // for CanvasLayer, etc
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#include "nsDebug.h" // for NS_ASSERTION
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#include "nsRegion.h" // for nsIntRegion
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namespace mozilla {
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namespace layers {
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class BasicCanvasLayer : public CopyableCanvasLayer,
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public BasicImplData
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{
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public:
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explicit BasicCanvasLayer(BasicLayerManager* aLayerManager) :
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CopyableCanvasLayer(aLayerManager, static_cast<BasicImplData*>(this))
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{ }
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virtual void SetVisibleRegion(const LayerIntRegion& aRegion) override
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{
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NS_ASSERTION(BasicManager()->InConstruction(),
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"Can only set properties in construction phase");
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CanvasLayer::SetVisibleRegion(aRegion);
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}
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virtual void Paint(gfx::DrawTarget* aDT,
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const gfx::Point& aDeviceOffset,
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Layer* aMaskLayer) override;
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protected:
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BasicLayerManager* BasicManager()
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{
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return static_cast<BasicLayerManager*>(mManager);
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}
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};
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} // namespace layers
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} // namespace mozilla
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#endif
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