sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include "fader.h"
sl@0: 
sl@0: _LIT(CFaderName, "wsfader");
sl@0:     
sl@0: CFader* CFader::CreateL()
sl@0: 	{
sl@0: 	return new(ELeave) CFader;
sl@0: 	}
sl@0: 	
sl@0: void CFader::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& /*aData*/)
sl@0: 	{
sl@0: 	BaseConstructL(aEnv);
sl@0: 	//Default bitgdi fading parameters
sl@0: 	iBlackMap=128;
sl@0: 	iWhiteMap=255;
sl@0: 	}
sl@0: 	
sl@0: CFader::CFader()
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: CFader::~CFader()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: //Default fading plugin simply uses bitgdi to perform fading
sl@0: void CFader::FadeArea(CFbsBitGc* aBitGc,const TRegion * aRegion)
sl@0: 	{
sl@0:   	aBitGc->Reset();
sl@0:   	aBitGc->SetFadingParameters(iBlackMap,iWhiteMap);
sl@0: 	aBitGc->FadeArea(aRegion);
sl@0: 	}
sl@0: 	
sl@0: //Default fading plugin expects two TUint8's describing the black/white map 
sl@0: //as possible fading parameters
sl@0: void CFader::SetFadingParameters(const TDesC8& aData)
sl@0:   	{
sl@0: 	TPckgBuf<TFadingParams> buf;
sl@0: 	buf.Copy(aData);
sl@0: 	TFadingParams parameters = buf();
sl@0: 
sl@0: 	iBlackMap = parameters.blackMap;
sl@0: 	iWhiteMap = parameters.whiteMap;
sl@0:   	}
sl@0: 
sl@0: TAny* CFader::ResolveObjectInterface(TUint aTypeId)
sl@0: 	{
sl@0: 	switch (aTypeId)
sl@0: 		{
sl@0: 		case MWsFader::EWsObjectInterfaceId:
sl@0: 			return static_cast<MWsFader*>(this);
sl@0: 		}
sl@0: 
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: const TDesC& CFader::PluginName() const
sl@0: 	{
sl@0: 	return CFaderName;
sl@0: 	}