The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/basic/BasicColorLayer.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,83 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "BasicLayersImpl.h"            // for FillRectWithMask, etc
    1.10 +#include "Layers.h"                     // for ColorLayer, etc
    1.11 +#include "BasicImplData.h"              // for BasicImplData
    1.12 +#include "BasicLayers.h"                // for BasicLayerManager
    1.13 +#include "gfxContext.h"                 // for gfxContext, etc
    1.14 +#include "gfxRect.h"                    // for gfxRect
    1.15 +#include "gfx2DGlue.h"
    1.16 +#include "mozilla/mozalloc.h"           // for operator new
    1.17 +#include "nsAutoPtr.h"                  // for nsRefPtr
    1.18 +#include "nsCOMPtr.h"                   // for already_AddRefed
    1.19 +#include "nsDebug.h"                    // for NS_ASSERTION
    1.20 +#include "nsISupportsImpl.h"            // for Layer::AddRef, etc
    1.21 +#include "nsRect.h"                     // for nsIntRect
    1.22 +#include "nsRegion.h"                   // for nsIntRegion
    1.23 +#include "mozilla/gfx/PathHelpers.h"
    1.24 +
    1.25 +using namespace mozilla::gfx;
    1.26 +
    1.27 +namespace mozilla {
    1.28 +namespace layers {
    1.29 +
    1.30 +class BasicColorLayer : public ColorLayer, public BasicImplData {
    1.31 +public:
    1.32 +  BasicColorLayer(BasicLayerManager* aLayerManager) :
    1.33 +    ColorLayer(aLayerManager,
    1.34 +               static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST()))
    1.35 +  {
    1.36 +    MOZ_COUNT_CTOR(BasicColorLayer);
    1.37 +  }
    1.38 +  virtual ~BasicColorLayer()
    1.39 +  {
    1.40 +    MOZ_COUNT_DTOR(BasicColorLayer);
    1.41 +  }
    1.42 +
    1.43 +  virtual void SetVisibleRegion(const nsIntRegion& aRegion)
    1.44 +  {
    1.45 +    NS_ASSERTION(BasicManager()->InConstruction(),
    1.46 +                 "Can only set properties in construction phase");
    1.47 +    ColorLayer::SetVisibleRegion(aRegion);
    1.48 +  }
    1.49 +
    1.50 +  virtual void Paint(DrawTarget* aDT,
    1.51 +                     const gfx::Point& aDeviceOffset,
    1.52 +                     Layer* aMaskLayer) MOZ_OVERRIDE
    1.53 +  {
    1.54 +    if (IsHidden()) {
    1.55 +      return;
    1.56 +    }
    1.57 +
    1.58 +    Rect snapped(mBounds.x, mBounds.y, mBounds.width, mBounds.height);
    1.59 +    if (UserToDevicePixelSnapped(snapped, aDT->GetTransform())) {
    1.60 +      Matrix mat = aDT->GetTransform();
    1.61 +      mat.Invert();
    1.62 +      snapped = mat.TransformBounds(snapped);
    1.63 +    }
    1.64 +
    1.65 +    FillRectWithMask(aDT, aDeviceOffset, snapped, ToColor(mColor),
    1.66 +                     DrawOptions(GetEffectiveOpacity(), GetEffectiveOperator(this)),
    1.67 +                     aMaskLayer);
    1.68 +  }
    1.69 +
    1.70 +protected:
    1.71 +  BasicLayerManager* BasicManager()
    1.72 +  {
    1.73 +    return static_cast<BasicLayerManager*>(mManager);
    1.74 +  }
    1.75 +};
    1.76 +
    1.77 +already_AddRefed<ColorLayer>
    1.78 +BasicLayerManager::CreateColorLayer()
    1.79 +{
    1.80 +  NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
    1.81 +  nsRefPtr<ColorLayer> layer = new BasicColorLayer(this);
    1.82 +  return layer.forget();
    1.83 +}
    1.84 +
    1.85 +}
    1.86 +}