sl@0: // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #if !defined(__OFFSCREENBITMAP_H__)
sl@0: #define __OFFSCREENBITMAP_H__
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <e32base.h>
sl@0: #include <gdi.h>
sl@0: 
sl@0: #include <Graphics/WSGRAPHICDRAWERINTERFACE.H>
sl@0: 
sl@0: class CFbsBitmapDevice;
sl@0: class CWsClientWindow;
sl@0: class CWsWindow;
sl@0: class CWsWindowBase;
sl@0: class CWsClient;
sl@0: class CScreen;
sl@0: class DWsBitmap;
sl@0: 
sl@0: #if defined(__WINS__) && defined(_DEBUG)
sl@0: class CDebugOsbWin;
sl@0: #endif
sl@0: 
sl@0: class CWsOffScreenBitmap : public CBase, public MWsBackBuffer
sl@0: 	{
sl@0: public: // Construction / Destruction
sl@0: 	static CWsOffScreenBitmap* NewL(CScreen* aScreen);
sl@0: 	~CWsOffScreenBitmap();
sl@0: protected:
sl@0: 	CWsOffScreenBitmap(CScreen* aScreen);
sl@0: 	void ConstructL();
sl@0: public: // Bitmap
sl@0: 	TInt DisplayModeChanged(TBool aSwapWidthAndHeight);
sl@0: 	void UpdateGc(const TBool aSwapWidthAndHeight);
sl@0: public:
sl@0: 	CFbsBitmap* Bitmap();
sl@0: 	CFbsDevice* BitmapDevice();
sl@0: 	
sl@0: public: // implementing MWsObjectProvider
sl@0: 	TAny* ResolveObjectInterface(TUint aTypeId);
sl@0: 	
sl@0: public: // implementing MWsBackBuffer
sl@0: 	CFbsBitmap* GetBitmap();
sl@0: 	CFbsBitGc* GetBitGc();
sl@0: 	CFbsBitGc* GetBitGcCurrent();
sl@0: 	TInt SetBitGc(CFbsBitGc* aBitGc);
sl@0: 	TInt RedirectTo(MWsBackBuffer* aTarget);
sl@0: 	void SetObserver(MWsFlickerFreeBufferObserver* aObserver);
sl@0: 	MWsFlickerFreeBufferObserver* Observer();
sl@0: #if defined(__WINS__) && defined(_DEBUG)
sl@0: 	void Update();
sl@0: #endif	
sl@0: 
sl@0: protected:	// Data
sl@0: 	CFbsBitGc* iBitmapGc;
sl@0: 	CFbsBitmap* iBitmap;
sl@0: 	CFbsBitmapDevice* iBitmapDevice;
sl@0: 	CScreen* iScreen;
sl@0: 	
sl@0: private:	// Data
sl@0: #if defined(__WINS__) && defined(_DEBUG)
sl@0: 	CDebugOsbWin* iOsbWin;
sl@0: #endif
sl@0: 
sl@0: private:	// Data
sl@0: 	// used by MWsBackBuffer to redirect OSB output
sl@0: 	CFbsBitGc* iRedirectGc;
sl@0: 	MWsBackBuffer* iRedirectBuffer;
sl@0: 	MWsFlickerFreeBufferObserver* iObserver;
sl@0: 	};
sl@0: 
sl@0: #endif // __OFFSCREENBITMAP__