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/* -*- 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/. */
#include "BasicLayersImpl.h" // for FillRectWithMask, etc
#include "Layers.h" // for ColorLayer, etc
#include "BasicImplData.h" // for BasicImplData
#include "BasicLayers.h" // for BasicLayerManager
#include "gfxContext.h" // for gfxContext, etc
#include "gfxRect.h" // for gfxRect
#include "gfx2DGlue.h"
#include "mozilla/mozalloc.h" // for operator new
#include "nsCOMPtr.h" // for already_AddRefed
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for Layer::AddRef, etc
#include "nsRect.h" // for mozilla::gfx::IntRect
#include "nsRegion.h" // for nsIntRegion
#include "mozilla/gfx/PathHelpers.h"
using namespace mozilla::gfx;
namespace mozilla {
namespace layers {
class BasicColorLayer : public ColorLayer, public BasicImplData {
public:
explicit BasicColorLayer(BasicLayerManager* aLayerManager) :
ColorLayer(aLayerManager, static_cast<BasicImplData*>(this))
{
MOZ_COUNT_CTOR(BasicColorLayer);
}
protected:
virtual ~BasicColorLayer()
{
MOZ_COUNT_DTOR(BasicColorLayer);
}
public:
virtual void SetVisibleRegion(const LayerIntRegion& aRegion) override
{
NS_ASSERTION(BasicManager()->InConstruction(),
"Can only set properties in construction phase");
ColorLayer::SetVisibleRegion(aRegion);
}
virtual void Paint(DrawTarget* aDT,
const gfx::Point& aDeviceOffset,
Layer* aMaskLayer) override
{
if (IsHidden()) {
return;
}
Rect snapped(mBounds.x, mBounds.y, mBounds.width, mBounds.height);
MaybeSnapToDevicePixels(snapped, *aDT, true);
// Clip drawing in case we're using (unbounded) operator source.
aDT->PushClipRect(snapped);
FillRectWithMask(aDT, aDeviceOffset, snapped, mColor,
DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
aMaskLayer);
aDT->PopClip();
}
protected:
BasicLayerManager* BasicManager()
{
return static_cast<BasicLayerManager*>(mManager);
}
};
already_AddRefed<ColorLayer>
BasicLayerManager::CreateColorLayer()
{
NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
RefPtr<ColorLayer> layer = new BasicColorLayer(this);
return layer.forget();
}
} // namespace layers
} // namespace mozilla
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