1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/devicemap.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,64 @@
     1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Class for mapping between twips and device-specific units (pixels).
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +
    1.22 +#ifndef __DEVICEMAP_H__
    1.23 +#define __DEVICEMAP_H__
    1.24 +
    1.25 +#include <e32std.h>
    1.26 +#include <e32base.h>
    1.27 +
    1.28 +class MWsScreenDevice;
    1.29 +
    1.30 +class CGraphicsDeviceMap : public CBase
    1.31 +	{
    1.32 +public:
    1.33 +	static CGraphicsDeviceMap* NewL(const MWsScreenDevice& aScreenDevice);
    1.34 +	
    1.35 +	TPoint TwipsToPixels(const TPoint& aTwipPoint) const;
    1.36 +	TRect TwipsToPixels(const TRect& aTwipRect) const;
    1.37 +	TPoint PixelsToTwips(const TPoint& aPixelPoint) const;
    1.38 +	TRect PixelsToTwips(const TRect& aPixelRect) const;
    1.39 +	/** Converts a horizontal dimension from twips to pixels.
    1.40 +		
    1.41 +	@param aTwips A horizontal dimension of a device in twips. 
    1.42 +	@return A horizontal dimension of a device in pixels. */
    1.43 +	TInt HorizontalTwipsToPixels(TInt aTwips) const;
    1.44 +
    1.45 +	/** Converts a vertical dimension from twips to pixels.
    1.46 +	
    1.47 +	@param aTwips A vertical dimension of a device in twips. 
    1.48 +	@return A vertical dimension of a device in pixels. */
    1.49 +	TInt VerticalTwipsToPixels(TInt aTwips) const;
    1.50 +
    1.51 +	/** Converts a horizontal dimension from pixels to twips.
    1.52 +	
    1.53 +	@param aPixels A horizontal dimension of a device in pixels. 
    1.54 +	@return A horizontal dimension of a device in twips. */
    1.55 +	TInt HorizontalPixelsToTwips(TInt aPixels) const;
    1.56 +
    1.57 +	/** Converts a vertical dimension from pixels to twips.
    1.58 +		
    1.59 +	@param aPixels A vertical dimension of a device in pixels. 
    1.60 +	@return A vertical dimension of a device in twips. */
    1.61 +	TInt VerticalPixelsToTwips(TInt aPixels) const;
    1.62 +private:
    1.63 +	CGraphicsDeviceMap(const MWsScreenDevice& aScreenDevice);
    1.64 +private:
    1.65 +	const MWsScreenDevice* iScreenDevice;
    1.66 +	};
    1.67 +#endif