sl@0: // Copyright (c) 2008-2009 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: /**
sl@0:  @file
sl@0:  @test
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #include "t_testserviceplugin.h"
sl@0: #include "t_logfile.h"
sl@0: #include <graphics/lookuptable.h>
sl@0: 
sl@0: _LIT(KTestServicePluginName, "testserviceplugin");
sl@0: /**
sl@0: Creates a new CTestServicePlugin object
sl@0: */ 
sl@0: CTestServicePlugin* CTestServicePlugin::CreateL()
sl@0: 	{
sl@0: 	return new(ELeave) CTestServicePlugin;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Initialisation phase of two phase construction.
sl@0: @param aEnv The environment for a graphic drawer 
sl@0: @param aData The data for construction
sl@0: */
sl@0: void CTestServicePlugin::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& /*aData*/)
sl@0: 	{
sl@0: 	BaseConstructL(aEnv);
sl@0: 	
sl@0: 	// Delete log file from previous test run
sl@0: 	CLogFile::DeleteLogFileL();
sl@0: 	
sl@0: 	CLogFile* log = CLogFile::NewL();
sl@0: 	CleanupStack::PushL(log);
sl@0: 	log->WriteToLogL(_L("testserviceplugin is created."));		
sl@0: 	CleanupStack::PopAndDestroy(log);
sl@0: 	//Default in BitGdi was 128 for the blackMap and 255 for the whiteMap
sl@0: 	//SetFadingParameters shows how the fade color is computed
sl@0: 	iFadeColor.SetInternal(0x80FFFFFF);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Constructor for CTestServicePlugin
sl@0: */
sl@0: CTestServicePlugin::CTestServicePlugin() : iLut(PtrTo16BitNormalisationTable())
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Destructor for CTestServicePlugin
sl@0: */
sl@0: CTestServicePlugin::~CTestServicePlugin()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Sets the fading parameter
sl@0: @param	aFadeColor the fading color
sl@0: */
sl@0: void CTestServicePlugin::SetFadingParamsL(TUint8 aBlackMap, TUint8 aWhiteMap)
sl@0: 	{
sl@0: 	//Situations where blackMap > whiteMap are NOT supported
sl@0: 	if (aBlackMap > aWhiteMap)
sl@0: 		{
sl@0: 		TUint8 oldMap = aBlackMap;
sl@0: 		aBlackMap = aWhiteMap;
sl@0: 		aWhiteMap = oldMap;
sl@0: 		}
sl@0: 	
sl@0: 	//CFbsBitGc::FadeArea() does the following per color component:
sl@0: 	//   dst = dst * (whiteMap - blackMap) + blackMap;
sl@0: 
sl@0: 	//To achieve the same effect using MWsGraphicsContext we draw a rectangle
sl@0: 	//with specific intensity and alpha values:
sl@0: 	//   dst = dst * (1 - alpha) + intensity * alpha;
sl@0: 	//Thus:
sl@0: 	//   alpha = 1 - whiteMap + blackMap;
sl@0: 	//   intensity = blackMap / alpha;
sl@0: 
sl@0: 	// alpha = 1 - whiteMap + blackMap;
sl@0: 	TInt alpha = 255 - aWhiteMap + aBlackMap;
sl@0: 	// intensity = blackMap / alpha;
sl@0: 	TInt i = (aBlackMap * iLut[alpha]) >> 8;
sl@0: 
sl@0: 	iFadeColor.SetInternal(i << 16 | i << 8 | i | alpha << 24);
sl@0: 
sl@0: 	CLogFile* log = CLogFile::NewL();
sl@0: 	CleanupStack::PushL(log);
sl@0: 	log->WriteToLogL(_L("Fading parameters have been set."));
sl@0: 	CleanupStack::PopAndDestroy(log);
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Gets the fade color parameter
sl@0: @return fade color parameter
sl@0: */
sl@0: TRgb CTestServicePlugin::GetFadeColorL()
sl@0: 	{
sl@0: 	CLogFile* log = CLogFile::NewL();
sl@0: 	CleanupStack::PushL(log);
sl@0: 	log->WriteToLogL(_L("Returned fade color."));
sl@0: 	CleanupStack::PopAndDestroy(log);
sl@0: 	return iFadeColor;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Overides MWsObjectProvider. Resolve an instance of an interface
sl@0: @param aTypeId The interface UID.
sl@0: @return The pointer to the instance of an interface.
sl@0: */
sl@0: TAny* CTestServicePlugin::ResolveObjectInterface(TUint aTypeId)
sl@0: 	{
sl@0: 	switch (aTypeId)
sl@0: 		{
sl@0: 		case EImplUid:
sl@0: 			return static_cast<CWsPlugin*>(this);
sl@0: 		}
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: /**
sl@0: Gets the plugin name
sl@0: @return The Plugin name.
sl@0: */
sl@0: const TDesC& CTestServicePlugin::PluginName() const
sl@0: 	{
sl@0: 	return KTestServicePluginName;
sl@0: 	}