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https://gitlab.winehq.org/wine/wine-gecko.git
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80 lines
2.7 KiB
C++
80 lines
2.7 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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#include "BasicLayersImpl.h" // for FillWithMask, etc
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#include "Layers.h" // for ColorLayer, etc
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#include "BasicImplData.h" // for BasicImplData
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#include "BasicLayers.h" // for BasicLayerManager
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#include "gfxContext.h" // for gfxContext, etc
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#include "gfxRect.h" // for gfxRect
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#include "mozilla/mozalloc.h" // for operator new
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#include "nsAutoPtr.h" // for nsRefPtr
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "nsDebug.h" // for NS_ASSERTION
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#include "nsISupportsImpl.h" // for Layer::AddRef, etc
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#include "nsRect.h" // for nsIntRect
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#include "nsRegion.h" // for nsIntRegion
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
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using namespace mozilla::gfx;
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namespace mozilla {
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namespace layers {
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class BasicColorLayer : public ColorLayer, public BasicImplData {
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public:
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BasicColorLayer(BasicLayerManager* aLayerManager) :
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ColorLayer(aLayerManager,
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static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST()))
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{
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MOZ_COUNT_CTOR(BasicColorLayer);
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}
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virtual ~BasicColorLayer()
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{
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MOZ_COUNT_DTOR(BasicColorLayer);
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}
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virtual void SetVisibleRegion(const nsIntRegion& aRegion)
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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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ColorLayer::SetVisibleRegion(aRegion);
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}
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virtual void Paint(gfxContext* aContext, Layer* aMaskLayer)
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{
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if (IsHidden())
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return;
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gfxContextAutoSaveRestore contextSR(aContext);
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gfxContext::GraphicsOperator mixBlendMode = GetEffectiveMixBlendMode();
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AutoSetOperator setOptimizedOperator(aContext, mixBlendMode != gfxContext::OPERATOR_OVER ? mixBlendMode : GetOperator());
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aContext->SetColor(mColor);
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nsIntRect bounds = GetBounds();
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aContext->NewPath();
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aContext->SnappedRectangle(gfxRect(bounds.x, bounds.y, bounds.width, bounds.height));
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FillWithMask(aContext, GetEffectiveOpacity(), aMaskLayer);
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}
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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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already_AddRefed<ColorLayer>
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BasicLayerManager::CreateColorLayer()
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{
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NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
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nsRefPtr<ColorLayer> layer = new BasicColorLayer(this);
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return layer.forget();
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}
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}
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}
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