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

// All rights reserved.

// This component and the accompanying materials are made available

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

// which accompanies this distribution, and is available

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

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "devicemap.h"

#include <graphics/wsscreendevice.h>

CGraphicsDeviceMap* CGraphicsDeviceMap::NewL(const MWsScreenDevice& aScreenDevice)

	{

	return new(ELeave) CGraphicsDeviceMap(aScreenDevice);

	}

CGraphicsDeviceMap::CGraphicsDeviceMap(const MWsScreenDevice& aScreenDevice) : iScreenDevice(&aScreenDevice)

	{

	}

TInt CGraphicsDeviceMap::HorizontalTwipsToPixels(TInt aTwips) const

	{

	TInt htp = iScreenDevice->SizeInTwips().iWidth;	//horizontal twips	

	TInt htptp = (htp * 1000)/ iScreenDevice->SizeInPixels().iWidth; //horizontal twips per thousand pixels

	return (1000 * aTwips + (htptp >> 1)) / htptp;

	}

TInt CGraphicsDeviceMap::VerticalTwipsToPixels(TInt aTwips) const

	{

	TInt vtp = iScreenDevice->SizeInTwips().iHeight;	//vertical twips	

	TInt vtptp = (vtp * 1000)/ iScreenDevice->SizeInPixels().iHeight; //vertical twips per thousand pixels

	return (1000 * aTwips + (vtptp >> 1)) / vtptp;

	}

TInt CGraphicsDeviceMap::HorizontalPixelsToTwips(TInt aPixels) const

	{

	TInt htp = iScreenDevice->SizeInTwips().iWidth;	//horizontal twips	

	TInt htptp = (htp * 1000)/ iScreenDevice->SizeInPixels().iWidth; //horizontal twips per thousand pixels

	return (htptp * aPixels + 500) / 1000;

	}

TInt CGraphicsDeviceMap::VerticalPixelsToTwips(TInt aPixels) const

	{

	TInt vtp = iScreenDevice->SizeInTwips().iHeight;	//vertical twips	

	TInt vtptp = (vtp * 1000)/ iScreenDevice->SizeInPixels().iHeight; //vertical twips per thousand pixels

	return (vtptp * aPixels + 500) / 1000;

	}

TPoint CGraphicsDeviceMap::TwipsToPixels(const TPoint& aTwipPoint) const

	{

	return TPoint(HorizontalTwipsToPixels(aTwipPoint.iX),VerticalTwipsToPixels(aTwipPoint.iY));

	}

TRect CGraphicsDeviceMap::TwipsToPixels(const TRect& aTwipRect) const

	{

	return TRect(TwipsToPixels(aTwipRect.iTl),TwipsToPixels(aTwipRect.iBr));

	}

TPoint CGraphicsDeviceMap::PixelsToTwips(const TPoint& aPixelPoint) const

	{

	return TPoint(HorizontalPixelsToTwips(aPixelPoint.iX),VerticalPixelsToTwips(aPixelPoint.iY));

	}

TRect CGraphicsDeviceMap::PixelsToTwips(const TRect& aPixelRect) const

	{

	return TRect(PixelsToTwips(aPixelRect.iTl),PixelsToTwips(aPixelRect.iBr));

	}