1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nonnga/stdplugin/fader.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,75 @@
     1.4 +// Copyright (c) 1995-2009 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 "fader.h"
    1.20 +
    1.21 +_LIT(CFaderName, "wsfader");
    1.22 +    
    1.23 +CFader* CFader::CreateL()
    1.24 +	{
    1.25 +	return new(ELeave) CFader;
    1.26 +	}
    1.27 +	
    1.28 +void CFader::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& /*aData*/)
    1.29 +	{
    1.30 +	BaseConstructL(aEnv);
    1.31 +	//Default bitgdi fading parameters
    1.32 +	iBlackMap=128;
    1.33 +	iWhiteMap=255;
    1.34 +	}
    1.35 +	
    1.36 +CFader::CFader()
    1.37 +	{
    1.38 +	}
    1.39 +	
    1.40 +CFader::~CFader()
    1.41 +	{
    1.42 +	}
    1.43 +
    1.44 +//Default fading plugin simply uses bitgdi to perform fading
    1.45 +void CFader::FadeArea(CFbsBitGc* aBitGc,const TRegion * aRegion)
    1.46 +	{
    1.47 +  	aBitGc->Reset();
    1.48 +  	aBitGc->SetFadingParameters(iBlackMap,iWhiteMap);
    1.49 +	aBitGc->FadeArea(aRegion);
    1.50 +	}
    1.51 +	
    1.52 +//Default fading plugin expects two TUint8's describing the black/white map 
    1.53 +//as possible fading parameters
    1.54 +void CFader::SetFadingParameters(const TDesC8& aData)
    1.55 +  	{
    1.56 +	TPckgBuf<TFadingParams> buf;
    1.57 +	buf.Copy(aData);
    1.58 +	TFadingParams parameters = buf();
    1.59 +
    1.60 +	iBlackMap = parameters.blackMap;
    1.61 +	iWhiteMap = parameters.whiteMap;
    1.62 +  	}
    1.63 +
    1.64 +TAny* CFader::ResolveObjectInterface(TUint aTypeId)
    1.65 +	{
    1.66 +	switch (aTypeId)
    1.67 +		{
    1.68 +		case MWsFader::EWsObjectInterfaceId:
    1.69 +			return static_cast<MWsFader*>(this);
    1.70 +		}
    1.71 +
    1.72 +	return NULL;
    1.73 +	}
    1.74 +
    1.75 +const TDesC& CFader::PluginName() const
    1.76 +	{
    1.77 +	return CFaderName;
    1.78 +	}