1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/devicemap.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,74 @@
     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 +//
    1.18 +
    1.19 +#include "devicemap.h"
    1.20 +#include <graphics/wsscreendevice.h>
    1.21 +
    1.22 +CGraphicsDeviceMap* CGraphicsDeviceMap::NewL(const MWsScreenDevice& aScreenDevice)
    1.23 +	{
    1.24 +	return new(ELeave) CGraphicsDeviceMap(aScreenDevice);
    1.25 +	}
    1.26 +
    1.27 +CGraphicsDeviceMap::CGraphicsDeviceMap(const MWsScreenDevice& aScreenDevice) : iScreenDevice(&aScreenDevice)
    1.28 +	{
    1.29 +	}
    1.30 +
    1.31 +TInt CGraphicsDeviceMap::HorizontalTwipsToPixels(TInt aTwips) const
    1.32 +	{
    1.33 +	TInt htp = iScreenDevice->SizeInTwips().iWidth;	//horizontal twips	
    1.34 +	TInt htptp = (htp * 1000)/ iScreenDevice->SizeInPixels().iWidth; //horizontal twips per thousand pixels
    1.35 +	return (1000 * aTwips + (htptp >> 1)) / htptp;
    1.36 +	}
    1.37 +
    1.38 +TInt CGraphicsDeviceMap::VerticalTwipsToPixels(TInt aTwips) const
    1.39 +	{
    1.40 +	TInt vtp = iScreenDevice->SizeInTwips().iHeight;	//vertical twips	
    1.41 +	TInt vtptp = (vtp * 1000)/ iScreenDevice->SizeInPixels().iHeight; //vertical twips per thousand pixels
    1.42 +	return (1000 * aTwips + (vtptp >> 1)) / vtptp;
    1.43 +	}
    1.44 +
    1.45 +TInt CGraphicsDeviceMap::HorizontalPixelsToTwips(TInt aPixels) const
    1.46 +	{
    1.47 +	TInt htp = iScreenDevice->SizeInTwips().iWidth;	//horizontal twips	
    1.48 +	TInt htptp = (htp * 1000)/ iScreenDevice->SizeInPixels().iWidth; //horizontal twips per thousand pixels
    1.49 +	return (htptp * aPixels + 500) / 1000;
    1.50 +	}
    1.51 +
    1.52 +TInt CGraphicsDeviceMap::VerticalPixelsToTwips(TInt aPixels) const
    1.53 +	{
    1.54 +	TInt vtp = iScreenDevice->SizeInTwips().iHeight;	//vertical twips	
    1.55 +	TInt vtptp = (vtp * 1000)/ iScreenDevice->SizeInPixels().iHeight; //vertical twips per thousand pixels
    1.56 +	return (vtptp * aPixels + 500) / 1000;
    1.57 +	}
    1.58 +
    1.59 +TPoint CGraphicsDeviceMap::TwipsToPixels(const TPoint& aTwipPoint) const
    1.60 +	{
    1.61 +	return TPoint(HorizontalTwipsToPixels(aTwipPoint.iX),VerticalTwipsToPixels(aTwipPoint.iY));
    1.62 +	}
    1.63 +
    1.64 +TRect CGraphicsDeviceMap::TwipsToPixels(const TRect& aTwipRect) const
    1.65 +	{
    1.66 +	return TRect(TwipsToPixels(aTwipRect.iTl),TwipsToPixels(aTwipRect.iBr));
    1.67 +	}
    1.68 +
    1.69 +TPoint CGraphicsDeviceMap::PixelsToTwips(const TPoint& aPixelPoint) const
    1.70 +	{
    1.71 +	return TPoint(HorizontalPixelsToTwips(aPixelPoint.iX),VerticalPixelsToTwips(aPixelPoint.iY));
    1.72 +	}
    1.73 +
    1.74 +TRect CGraphicsDeviceMap::PixelsToTwips(const TRect& aPixelRect) const
    1.75 +	{
    1.76 +	return TRect(PixelsToTwips(aPixelRect.iTl),PixelsToTwips(aPixelRect.iBr));
    1.77 +	}