sl@0: // Copyright (c) 2008-2009 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: // Class for mapping between twips and device-specific units (pixels).
sl@0: // 
sl@0: //
sl@0: 
sl@0: 
sl@0: #ifndef __DEVICEMAP_H__
sl@0: #define __DEVICEMAP_H__
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include <e32base.h>
sl@0: 
sl@0: class MWsScreenDevice;
sl@0: 
sl@0: class CGraphicsDeviceMap : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	static CGraphicsDeviceMap* NewL(const MWsScreenDevice& aScreenDevice);
sl@0: 	
sl@0: 	TPoint TwipsToPixels(const TPoint& aTwipPoint) const;
sl@0: 	TRect TwipsToPixels(const TRect& aTwipRect) const;
sl@0: 	TPoint PixelsToTwips(const TPoint& aPixelPoint) const;
sl@0: 	TRect PixelsToTwips(const TRect& aPixelRect) const;
sl@0: 	/** Converts a horizontal dimension from twips to pixels.
sl@0: 		
sl@0: 	@param aTwips A horizontal dimension of a device in twips. 
sl@0: 	@return A horizontal dimension of a device in pixels. */
sl@0: 	TInt HorizontalTwipsToPixels(TInt aTwips) const;
sl@0: 
sl@0: 	/** Converts a vertical dimension from twips to pixels.
sl@0: 	
sl@0: 	@param aTwips A vertical dimension of a device in twips. 
sl@0: 	@return A vertical dimension of a device in pixels. */
sl@0: 	TInt VerticalTwipsToPixels(TInt aTwips) const;
sl@0: 
sl@0: 	/** Converts a horizontal dimension from pixels to twips.
sl@0: 	
sl@0: 	@param aPixels A horizontal dimension of a device in pixels. 
sl@0: 	@return A horizontal dimension of a device in twips. */
sl@0: 	TInt HorizontalPixelsToTwips(TInt aPixels) const;
sl@0: 
sl@0: 	/** Converts a vertical dimension from pixels to twips.
sl@0: 		
sl@0: 	@param aPixels A vertical dimension of a device in pixels. 
sl@0: 	@return A vertical dimension of a device in twips. */
sl@0: 	TInt VerticalPixelsToTwips(TInt aPixels) const;
sl@0: private:
sl@0: 	CGraphicsDeviceMap(const MWsScreenDevice& aScreenDevice);
sl@0: private:
sl@0: 	const MWsScreenDevice* iScreenDevice;
sl@0: 	};
sl@0: #endif