michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef MOZILLA_GFX_IMAGEHOST_H
michael@0: #define MOZILLA_GFX_IMAGEHOST_H
michael@0: 
michael@0: #include <stdio.h>                      // for FILE
michael@0: #include "CompositableHost.h"           // for CompositableHost
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/RefPtr.h"             // for RefPtr
michael@0: #include "mozilla/gfx/Point.h"          // for Point
michael@0: #include "mozilla/gfx/Rect.h"           // for Rect
michael@0: #include "mozilla/gfx/Types.h"          // for Filter
michael@0: #include "mozilla/layers/CompositorTypes.h"  // for TextureInfo, etc
michael@0: #include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor
michael@0: #include "mozilla/layers/LayersTypes.h"  // for LayerRenderState, etc
michael@0: #include "mozilla/layers/TextureHost.h"  // for TextureHost, etc
michael@0: #include "mozilla/mozalloc.h"           // for operator delete
michael@0: #include "nsCOMPtr.h"                   // for already_AddRefed
michael@0: #include "nsRect.h"                     // for nsIntRect
michael@0: #include "nscore.h"                     // for nsACString
michael@0: 
michael@0: class nsIntRegion;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace gfx {
michael@0: class Matrix4x4;
michael@0: }
michael@0: namespace layers {
michael@0: 
michael@0: class Compositor;
michael@0: class ISurfaceAllocator;
michael@0: struct EffectChain;
michael@0: 
michael@0: /**
michael@0:  * ImageHost. Works with ImageClientSingle and ImageClientBuffered
michael@0:  */
michael@0: class ImageHost : public CompositableHost
michael@0: {
michael@0: public:
michael@0:   ImageHost(const TextureInfo& aTextureInfo);
michael@0:   ~ImageHost();
michael@0: 
michael@0:   virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
michael@0: 
michael@0:   virtual void Composite(EffectChain& aEffectChain,
michael@0:                          float aOpacity,
michael@0:                          const gfx::Matrix4x4& aTransform,
michael@0:                          const gfx::Filter& aFilter,
michael@0:                          const gfx::Rect& aClipRect,
michael@0:                          const nsIntRegion* aVisibleRegion = nullptr,
michael@0:                          TiledLayerProperties* aLayerProperties = nullptr) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void UseTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void RemoveTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual TextureHost* GetAsTextureHost() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
michael@0:   {
michael@0:     mPictureRect = aPictureRect;
michael@0:     mHasPictureRect = true;
michael@0:   }
michael@0: 
michael@0:   virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void PrintInfo(nsACString& aTo, const char* aPrefix);
michael@0: 
michael@0: #ifdef MOZ_DUMP_PAINTING
michael@0:   virtual void Dump(FILE* aFile = nullptr,
michael@0:                     const char* aPrefix = "",
michael@0:                     bool aDumpHtml = false) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
michael@0: #endif
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   RefPtr<TextureHost> mFrontBuffer;
michael@0:   nsIntRect mPictureRect;
michael@0:   bool mHasPictureRect;
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif