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FluorescentCIAAfricanAmerican
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//=========== Copyright Valve Corporation, All rights reserved. ===============//
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//
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// Purpose:
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//=============================================================================//
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#ifndef IMAGESOURCE_H
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#define IMAGESOURCE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "panorama/data/iimagesource.h"
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#include "panorama/controls/panelptr.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/fileio.h"
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#include "tier1/utlmap.h"
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#include "refcount.h"
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#include "../../panorama/uifileresource.h"
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#include "tier1/utldelegate.h"
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namespace panorama
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{
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// Helper to determine byte size of a pixel in a given format
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int GetFormatPixelBytes( EImageFormat format );
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class CMovie;
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class IUIRenderEngine;
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class IUITexture;
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class CImageData;
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// Helper for converting rgba8 to a8 throwing out rgb channels
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void ConvertRGBA8ToA8( CUtlBuffer &bufIn, CUtlBuffer &bufOut, uint32 unWide, uint32 unTall );
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class CImageProxySource;
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class CImageLoaderTask;
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#if defined( SOURCE2_PANORAMA )
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class CLoadFromVTexTask;
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#endif
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enum ESourceFormats
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{
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k_ESourceFormatUnknown,
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k_ESourceFormatTGA,
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k_ESourceFormatPNG,
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k_ESourceFormatJPG,
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k_ESourceFormatRawRGBA,
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k_ESourceFormatGIF,
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k_ESourceFormatVTEX
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};
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class CImageData;
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typedef void (ImageDecodeCallback_t)( bool bSuccess, CImageData *pNewImage, CUtlBuffer *pBufDecoded );
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class CImageDecodeWorkItem
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{
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public:
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CImageDecodeWorkItem( IUIRenderEngine *pRenderEngine, CUtlBuffer &bufDataInMayModify, const char *pchFilePath, int nWide, int nTall, int nResizeWidth, int nResizeHeight,
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EImageFormat formatOut, bool bAllowAnimation, CUtlDelegate< ImageDecodeCallback_t > del );
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~CImageDecodeWorkItem();
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void RunWorkItem();
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void DispatchResult();
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private:
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bool m_bSuccess;
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IUIRenderEngine *m_pSurface;
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CUtlBuffer *m_pBuffer;
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CUtlString m_strFilePath;
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int m_nWide;
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int m_nTall;
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int m_nResizeWidth;
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int m_nResizeHeight;
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EImageFormat m_eFormat;
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bool m_bAllowAnimation;
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CImageData *m_pNewImage;
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CUtlDelegate< ImageDecodeCallback_t > m_Del;
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};
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class CImageDecodeWorkThreadPool;
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class CImageDecodeThread : public CThread
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{
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public:
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CImageDecodeThread( CImageDecodeWorkThreadPool *pParent )
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{
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m_bExit = false;
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m_pParent = pParent;
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}
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~CImageDecodeThread()
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{
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}
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void Stop() { m_bExit = true; }
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virtual int Run() OVERRIDE;
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private:
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volatile bool m_bExit;
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CImageDecodeWorkThreadPool *m_pParent;
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};
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class CImageDecodeWorkThreadPool
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{
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public:
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CImageDecodeWorkThreadPool();
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~CImageDecodeWorkThreadPool();
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// Run frame on main thread
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void RunFrame();
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void AddWorkItem( CImageDecodeWorkItem *pWorkItem );
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private:
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friend class CImageDecodeThread;
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CImageDecodeThread * m_pWorkThreads[1];
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CThreadMutex m_AsyncIoLock;
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CThreadEvent m_ThreadEvent;
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CUtlLinkedList< CImageDecodeWorkItem *, int > m_llAsyncIORequests;
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CUtlLinkedList< CImageDecodeWorkItem *, int > m_llAsyncIOResults;
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};
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//
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// A container of images we have loaded
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//
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class CImageResourceManager : public IUIImageManager
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{
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public:
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CImageResourceManager( IUIRenderEngine *pSurface );
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~CImageResourceManager();
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virtual void Shutdown();
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virtual IImageSource *LoadImageFromURL( const IUIPanel *pPanel, const char *pchResourceURLDefault, const char *pchResourceURL, bool bPrioritizeLoad, EImageFormat imgFormatOut, int32 nResizeWidth = panorama::k_ResizeNone, int32 nResizeHeight = panorama::k_ResizeNone, bool bAllowAnimation = true );
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virtual IImageSource *LoadImageFileFromMemory( const IUIPanel *pPanel, const char *pchResourceURLDefault, const CUtlBuffer &bufFile, int nResizeWidth = panorama::k_ResizeNone, int nResizeHeight = panorama::k_ResizeNone, bool bAllowAnimation = true );
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virtual IImageSource *LoadImageFromMemory( const IUIPanel *pPanel, const char *pchResourceURLDefault, const CUtlBuffer &bufRGBA, int nWide, int nTall, EImageFormat imgFormatIn = k_EImageFormatR8G8B8A8, int nResizeWidth = panorama::k_ResizeNone, int nResizeHeight = panorama::k_ResizeNone, bool bAllowAnimation = true );
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virtual CUtlString GetPchImageSourcePath( IImageSource *pImageSource ) OVERRIDE;
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virtual void ReloadChangedFile( const char *pchFile ) OVERRIDE;
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virtual void ReloadChangedImage( IImageSource *pImageToReload ) OVERRIDE;
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bool OnImageUnreferenced( CImageProxySource *pImage );
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void RunFrame();
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void QueueImageDecodeWorkItem( CImageDecodeWorkItem *pWorkItem );
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#ifdef DBGFLAG_VALIDATE
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virtual void Validate( CValidator &validator, const tchar *pchName );
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#endif
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private:
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IImageSource *LoadImageInternal( const IUIPanel *pPanel, CFileResource &fileResourceDefault, CFileResource &fileResource, bool bPrioritizeLoad, EImageFormat imgFormatOut, int32 nResizeWidth, int32 nResizeHeight, bool bAllowAnimation );
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CImageProxySource *GetDefaultImage( CFileResource &fileDefault, EImageFormat imgFormatOut, bool bAllowAnimation );
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friend class CLoadFileURLTask;
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friend class CLoadFileLocalTask;
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friend class CImageLoaderTask;
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#if defined( SOURCE2_PANORAMA )
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friend class CLoadFromVTexTask;
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#endif
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// Internally adds image to our tracking maps
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void AddImageToManager( CFileResource &resource, CImageProxySource *pImageProxy, int32 nResizeWidth, int32 nResizeHeight, bool bAllowAnimation );
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bool RemoveImageFromManager( IImageSource *pImage );
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// Loads a resource, returns vector index
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bool OnImageLoaded( CFileResource & resource, CImageData *pImage, int32 nResizeWidth, int32 nResizeHeight, bool bAllowAnimation );
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bool OnFailedImageLoad( CFileResource & resource, int32 nResizeWidth, int32 nResizeHeight, bool bAllowAnimation );
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void AddLoad( CFileResource &resource, EImageFormat eFormat, bool bPrioritizeLoad, int32 nResizeWidth, int32 nResizeHeight, bool bAllowAnimation );
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// Synchronous load only used for initial global default image
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bool LoadLocalFileSynchronous( CFileResource &resource, EImageFormat eFormat, bool bAllowAnimation );
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#if defined( SOURCE2_PANORAMA )
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bool FixupFileResourceToCompiledImage( CFileResource &fileResource );
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#endif
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struct UrlImageKey_t
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{
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CFileResource fileResource;
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int32 nTargetWidth;
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int32 nTargetHeight;
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bool bAllowAnimation;
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// Sort on size only
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bool operator <( const UrlImageKey_t &l ) const
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{
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if ( nTargetWidth < l.nTargetWidth )
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return true;
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else if ( nTargetWidth > l.nTargetWidth )
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return false;
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if ( nTargetHeight < l.nTargetHeight )
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return true;
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else if ( nTargetHeight > l.nTargetHeight )
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return false;
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if ( bAllowAnimation && !l.bAllowAnimation )
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return true;
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else if ( !bAllowAnimation && l.bAllowAnimation )
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return false;
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return fileResource < l.fileResource;
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}
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};
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CUtlMap< UrlImageKey_t, CImageProxySource *, int, CDefLess< UrlImageKey_t > > m_mapImagesByURL;
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CUtlMap< IImageSource *, UrlImageKey_t, int, CDefLess< IImageSource *> > m_mapAllImages;
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CUtlVector< CImageLoaderTask * > m_vecLoaderTasksToStart;
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CUtlRBTree< CImageLoaderTask *, int, CDefLess< CImageLoaderTask * > > m_treeLoadTasks;
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IUIRenderEngine *m_pSurface;
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CImageDecodeWorkThreadPool *m_pImageDecodePool;
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bool m_bInited;
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};
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} // namespace panorama
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#endif // IMAGESOURCE_H
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