gecko-dev/gfx/layers/basic/BasicCanvasLayer.h

52 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; 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 GFX_BASICCANVASLAYER_H
#define GFX_BASICCANVASLAYER_H
#include "BasicImplData.h" // for BasicImplData
#include "BasicLayers.h" // for BasicLayerManager
#include "CopyableCanvasLayer.h" // for CopyableCanvasLayer
#include "Layers.h" // for CanvasLayer, etc
#include "nsDebug.h" // for NS_ASSERTION
#include "nsRegion.h" // for nsIntRegion
class gfxContext;
namespace mozilla {
namespace layers {
class BasicCanvasLayer : public CopyableCanvasLayer,
public BasicImplData
{
public:
BasicCanvasLayer(BasicLayerManager* aLayerManager) :
CopyableCanvasLayer(aLayerManager,
static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST()))
{ }
virtual void SetVisibleRegion(const nsIntRegion& aRegion)
{
NS_ASSERTION(BasicManager()->InConstruction(),
"Can only set properties in construction phase");
CanvasLayer::SetVisibleRegion(aRegion);
}
virtual void Paint(gfx::DrawTarget* aDT,
const gfx::Point& aDeviceOffset,
Layer* aMaskLayer) MOZ_OVERRIDE;
protected:
BasicLayerManager* BasicManager()
{
return static_cast<BasicLayerManager*>(mManager);
}
};
}
}
#endif