зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
4.2 KiB
C++
135 строки
4.2 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 MOZILLA_GFX_IMAGEHOST_H
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#define MOZILLA_GFX_IMAGEHOST_H
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#include <stdio.h> // for FILE
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#include "CompositableHost.h" // for CompositableHost
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#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
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#include "mozilla/RefPtr.h" // for RefPtr
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#include "mozilla/gfx/Point.h" // for Point
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#include "mozilla/gfx/Rect.h" // for Rect
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#include "mozilla/gfx/Types.h" // for Filter
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#include "mozilla/layers/CompositorTypes.h" // for TextureInfo, etc
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
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#include "mozilla/layers/LayersTypes.h" // for LayerRenderState, etc
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#include "mozilla/layers/TextureHost.h" // for TextureHost, etc
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#include "mozilla/mozalloc.h" // for operator delete
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "nsRect.h" // for nsIntRect
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#include "nscore.h" // for nsACString
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class nsIntRegion;
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namespace mozilla {
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namespace gfx {
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class Matrix4x4;
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}
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namespace layers {
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class Compositor;
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class ISurfaceAllocator;
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struct EffectChain;
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/**
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* ImageHost. Works with ImageClientSingle and ImageClientBuffered
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*/
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class ImageHost : public CompositableHost
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{
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public:
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explicit ImageHost(const TextureInfo& aTextureInfo);
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~ImageHost();
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virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
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virtual void Composite(EffectChain& aEffectChain,
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float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const gfx::Filter& aFilter,
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const gfx::Rect& aClipRect,
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const nsIntRegion* aVisibleRegion = nullptr) MOZ_OVERRIDE;
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virtual void UseTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
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virtual void RemoveTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
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virtual TextureHost* GetAsTextureHost() MOZ_OVERRIDE;
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virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
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virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
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{
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mPictureRect = aPictureRect;
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mHasPictureRect = true;
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}
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virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
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virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix);
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#ifdef MOZ_DUMP_PAINTING
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virtual void Dump(std::stringstream& aStream,
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const char* aPrefix = "",
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bool aDumpHtml = false) MOZ_OVERRIDE;
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virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
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#endif
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virtual bool Lock() MOZ_OVERRIDE;
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virtual void Unlock() MOZ_OVERRIDE;
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virtual TemporaryRef<NewTextureSource> GetTextureSource();
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virtual TemporaryRef<TexturedEffect> GenEffect(const gfx::Filter& aFilter) MOZ_OVERRIDE;
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protected:
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RefPtr<TextureHost> mFrontBuffer;
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nsIntRect mPictureRect;
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bool mHasPictureRect;
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bool mLocked;
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};
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#ifdef MOZ_WIDGET_GONK
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/**
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* ImageHostOverlay works with ImageClientOverlay
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*/
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class ImageHostOverlay : public CompositableHost {
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public:
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ImageHostOverlay(const TextureInfo& aTextureInfo);
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~ImageHostOverlay();
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virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
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virtual void Composite(EffectChain& aEffectChain,
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float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const gfx::Filter& aFilter,
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const gfx::Rect& aClipRect,
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const nsIntRegion* aVisibleRegion = nullptr) MOZ_OVERRIDE;
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virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
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virtual void UseOverlaySource(OverlaySource aOverlay) MOZ_OVERRIDE;
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virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
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{
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mPictureRect = aPictureRect;
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mHasPictureRect = true;
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}
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virtual void PrintInfo(std::stringstream& aStream, const char* aPrefix);
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protected:
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nsIntRect mPictureRect;
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bool mHasPictureRect;
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OverlaySource mOverlay;
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};
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#endif
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}
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}
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#endif
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