mmlibs/mmfw/inc/mediaclientvideodisplay.h
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// Copyright (c) 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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#ifndef MEDIACLIENTVIDEODISPLAY_H
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#define MEDIACLIENTVIDEODISPLAY_H
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#include <w32std.h>
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#include <mmf/common/mmfvideosurfacecustomcommands.h>
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class MMMFSurfaceEventHandler;
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class CMediaClientVideoDisplayBody;
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/**
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@publishedPartner
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@released
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The class offers a simple interface to add, remove video display window and supports graphics surfaces.
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It also offers some display handling funcations like video extension, scalling and rotation. 
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This class has one static function through which client can construct, initialise and get 
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pointer of the class.
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*/
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NONSHARABLE_CLASS(CMediaClientVideoDisplay) : public CBase
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	{
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public:
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	IMPORT_C static CMediaClientVideoDisplay* NewL(TInt aDisplayId);
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	IMPORT_C static CMediaClientVideoDisplay* NewL(TInt aDisplayId, const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio);
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	IMPORT_C ~CMediaClientVideoDisplay();
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	IMPORT_C void AddDisplayWindowL(const RWindowBase* aWindow, const TRect& aClipRect, const TRect& aCropRegion,
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							const TRect& aVideoExtent, TReal32 aScaleWidth, TReal32 aScaleHeight,
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							TVideoRotation aRotation, TAutoScaleType aAutoScaleType, TInt aHorizPos, TInt aVertPos, RWindow* aWindow2);
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	IMPORT_C TInt RemoveDisplayWindow(const RWindowBase& aWindow);
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	IMPORT_C TInt SurfaceCreated(const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio, const TRect& aCropRegion);
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	IMPORT_C TInt SurfaceParametersChanged(const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio);
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	IMPORT_C void RemoveSurface();
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	IMPORT_C TInt RedrawWindows(const TRect& aCropRegion);
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	IMPORT_C void SetAutoScaleL(const RWindowBase& aWindow, TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos, const TRect& aCropRegion);
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	IMPORT_C void SetRotationL(const RWindowBase& aWindow, TVideoRotation aRotation, const TRect& aCropRegion);
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	IMPORT_C TVideoRotation RotationL(const RWindowBase& aWindow);
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	IMPORT_C void SetScaleFactorL(const RWindowBase& aWindow, TReal32 aWidthPercentage, TReal32 aHeightPercentage, const TRect& aCropRegion);
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	IMPORT_C void GetScaleFactorL(const RWindowBase& aWindow, TReal32& aWidthPercentage, TReal32& aHeightPercentage);
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	IMPORT_C void SetAutoScaleL(TAutoScaleType aScaleType, TInt aHorizPos, TInt aVertPos, const TRect& aCropRegion);
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	IMPORT_C void SetRotationL(TVideoRotation aRotation, const TRect& aCropRegion);
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	IMPORT_C void SetScaleFactorL(TReal32 aWidthPercentage, TReal32 aHeightPercentage, const TRect& aCropRegion);
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	IMPORT_C void SetWindowClipRectL(const RWindowBase& aWindow, const TRect& aWindowClipRect, const TRect& aCropRegion);
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	IMPORT_C void SetVideoExtentL(const RWindowBase& aWindow, const TRect& aVideoExtent, const TRect& aCropRegion);
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	IMPORT_C void SetExternalDisplaySwitchingL(TBool aControl);
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private:
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	CMediaClientVideoDisplay();
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	void ConstructL(TInt aDisplayId);
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	void ConstructL(TInt aDisplayId, const TSurfaceId& aSurfaceId, const TRect& aCropRect, TVideoAspectRatio aAspectRatio);
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private:
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	CMediaClientVideoDisplayBody* iBody;
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	};
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#endif // MEDIACLIENTVIDEODISPLAY_H
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