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