graphicsdeviceinterface/directgdiadaptation/swsrc/swdirectgdiengine.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:47:50 +0200
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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "swdirectgdiengine.h"
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#include <bitdraworigin.h>
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#include <bitdrawinterfaceid.h>
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/**
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Sets a new pen array
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@param aPenArray The new array.
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*/ 
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void CSwDirectGdiEngine::SetPenArray(TInt* aPenArray)
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	{
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	delete[] iPenArray;
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	iPenArray = aPenArray;
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	}
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/**
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Destroys the current pen array.
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*/ 
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void CSwDirectGdiEngine::ResetPenArray()
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	{
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	delete[] iPenArray;
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	iPenArray = NULL;
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	}
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/**
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Truncates the given rectangle.
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@param aRect The rectangle to truncate.
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 */ 
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void CSwDirectGdiEngine::TruncateRect(TRect& aRect)
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	{
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	TInt width = iDrawDevice->SizeInPixels().iWidth << 4;
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	TInt height = iDrawDevice->SizeInPixels().iHeight << 4;
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	aRect.iTl.iX = Min(aRect.iTl.iX,width);
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	aRect.iTl.iY = Min(aRect.iTl.iY,height);
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	aRect.iBr.iX = Min(aRect.iBr.iX,width);
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	aRect.iBr.iY = Min(aRect.iBr.iY,height);
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	width = (-width);
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	height = (-height);
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	aRect.iTl.iX = Max(aRect.iTl.iX,width);
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	aRect.iTl.iY = Max(aRect.iTl.iY,height);
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	aRect.iBr.iX = Max(aRect.iBr.iX,width);
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	aRect.iBr.iY = Max(aRect.iBr.iY,height);
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	}
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/**
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@see MDirectGdiEngine::GetInterface()
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*/
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TInt CSwDirectGdiEngine::GetInterface(TUid aInterfaceId, TAny*& aInterface)
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	{
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	aInterface = NULL;
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	TInt err = KErrNotSupported;
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	// Extension switch
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	switch (aInterfaceId.iUid)
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		{
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		case KDrawDeviceOriginInterfaceID:
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			{
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			aInterface= (MDrawDeviceOrigin*)this;
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			err=KErrNone;
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			}
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		break;
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		default:;
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		}
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	return err;
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	}
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