1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Class for mapping between twips and device-specific units (pixels).

    15 // 

    16 //

    17 

    18 

    19 #ifndef __DEVICEMAP_H__

    20 #define __DEVICEMAP_H__

    21 

    22 #include <e32std.h>

    23 #include <e32base.h>

    24 

    25 class MWsScreenDevice;

    26 

    27 class CGraphicsDeviceMap : public CBase

    28 	{

    29 public:

    30 	static CGraphicsDeviceMap* NewL(const MWsScreenDevice& aScreenDevice);

    31 	

    32 	TPoint TwipsToPixels(const TPoint& aTwipPoint) const;

    33 	TRect TwipsToPixels(const TRect& aTwipRect) const;

    34 	TPoint PixelsToTwips(const TPoint& aPixelPoint) const;

    35 	TRect PixelsToTwips(const TRect& aPixelRect) const;

    36 	/** Converts a horizontal dimension from twips to pixels.

    37 		

    38 	@param aTwips A horizontal dimension of a device in twips. 

    39 	@return A horizontal dimension of a device in pixels. */

    40 	TInt HorizontalTwipsToPixels(TInt aTwips) const;

    41 

    42 	/** Converts a vertical dimension from twips to pixels.

    43 	

    44 	@param aTwips A vertical dimension of a device in twips. 

    45 	@return A vertical dimension of a device in pixels. */

    46 	TInt VerticalTwipsToPixels(TInt aTwips) const;

    47 

    48 	/** Converts a horizontal dimension from pixels to twips.

    49 	

    50 	@param aPixels A horizontal dimension of a device in pixels. 

    51 	@return A horizontal dimension of a device in twips. */

    52 	TInt HorizontalPixelsToTwips(TInt aPixels) const;

    53 

    54 	/** Converts a vertical dimension from pixels to twips.

    55 		

    56 	@param aPixels A vertical dimension of a device in pixels. 

    57 	@return A vertical dimension of a device in twips. */

    58 	TInt VerticalPixelsToTwips(TInt aPixels) const;

    59 private:

    60 	CGraphicsDeviceMap(const MWsScreenDevice& aScreenDevice);

    61 private:

    62 	const MWsScreenDevice* iScreenDevice;

    63 	};

    64 #endif