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b5f5af0f68
We also want to dump layer tree on the viewer, so we can check the layer tree and layerscope together in the viewer. This can help us resolve more gfx bugs. In this patch, I only add a part of the layer data to the protocol buffer packet, and you can check the .proto file for more information if you want to add more layer data. By the way, as Jeff's suggestion, use auto & MakeUnique<>() to make the UniquePtr initialization more concise.
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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_IMAGELAYER_H
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#define GFX_IMAGELAYER_H
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#include "Layers.h" // for Layer, etc
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#include "GraphicsFilter.h" // for GraphicsFilter
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/gfx/Point.h" // for IntSize
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#include "mozilla/layers/LayersTypes.h"
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#include "nsAutoPtr.h" // for nsRefPtr
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#include "nscore.h" // for nsACString
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namespace mozilla {
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namespace layers {
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class ImageContainer;
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namespace layerscope {
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class LayersPacket;
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}
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/**
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* A Layer which renders an Image.
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*/
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class ImageLayer : public Layer {
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public:
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/**
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* CONSTRUCTION PHASE ONLY
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* Set the ImageContainer. aContainer must have the same layer manager
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* as this layer.
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*/
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virtual void SetContainer(ImageContainer* aContainer);
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/**
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* CONSTRUCTION PHASE ONLY
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* Set the filter used to resample this image if necessary.
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*/
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void SetFilter(GraphicsFilter aFilter)
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{
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if (mFilter != aFilter) {
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MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) Filter", this));
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mFilter = aFilter;
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Mutated();
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}
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}
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/**
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* CONSTRUCTION PHASE ONLY
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* Set the size to scale the image to and the mode at which to scale.
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*/
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void SetScaleToSize(const gfx::IntSize &aSize, ScaleMode aMode)
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{
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if (mScaleToSize != aSize || mScaleMode != aMode) {
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mScaleToSize = aSize;
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mScaleMode = aMode;
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Mutated();
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}
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}
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ImageContainer* GetContainer() { return mContainer; }
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GraphicsFilter GetFilter() { return mFilter; }
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const gfx::IntSize& GetScaleToSize() { return mScaleToSize; }
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ScaleMode GetScaleMode() { return mScaleMode; }
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MOZ_LAYER_DECL_NAME("ImageLayer", TYPE_IMAGE)
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virtual void ComputeEffectiveTransforms(const gfx::Matrix4x4& aTransformToSurface);
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/**
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* if true, the image will only be backed by a single tile texture
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*/
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void SetDisallowBigImage(bool aDisallowBigImage)
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{
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if (mDisallowBigImage != aDisallowBigImage) {
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MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) DisallowBigImage", this));
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mDisallowBigImage = aDisallowBigImage;
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Mutated();
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}
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}
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protected:
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ImageLayer(LayerManager* aManager, void* aImplData);
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~ImageLayer();
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virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix);
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virtual void DumpPacket(layerscope::LayersPacket* aPacket, const void* aParent);
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nsRefPtr<ImageContainer> mContainer;
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GraphicsFilter mFilter;
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gfx::IntSize mScaleToSize;
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ScaleMode mScaleMode;
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bool mDisallowBigImage;
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};
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}
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}
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#endif /* GFX_IMAGELAYER_H */
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