// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

 // All rights reserved.

 // This component and the accompanying materials are made available

 // under the terms of "Eclipse Public License v1.0"

 // which accompanies this distribution, and is available

 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

 //

 // Initial Contributors:

 // Nokia Corporation - initial contribution.

 //

 // Contributors:

 //

 // Description:

 //

 /**

  @file

  @test

  @internalComponent

 */

 #include "t_testserviceplugin.h"

 #include "t_logfile.h"

 #include <graphics/lookuptable.h>

 _LIT(KTestServicePluginName, "testserviceplugin");

 /**

 Creates a new CTestServicePlugin object

 */ 

 CTestServicePlugin* CTestServicePlugin::CreateL()

 	{

 	return new(ELeave) CTestServicePlugin;

 	}

 /**

 Initialisation phase of two phase construction.

 @param aEnv The environment for a graphic drawer 

 @param aData The data for construction

 */

 void CTestServicePlugin::ConstructL(MWsGraphicDrawerEnvironment& aEnv,const TDesC8& /*aData*/)

 	{

 	BaseConstructL(aEnv);

 	// Delete log file from previous test run

 	CLogFile::DeleteLogFileL();

 	CLogFile* log = CLogFile::NewL();

 	CleanupStack::PushL(log);

 	log->WriteToLogL(_L("testserviceplugin is created."));		

 	CleanupStack::PopAndDestroy(log);

 	//Default in BitGdi was 128 for the blackMap and 255 for the whiteMap

 	//SetFadingParameters shows how the fade color is computed

 	iFadeColor.SetInternal(0x80FFFFFF);

 	}

 /**

 Constructor for CTestServicePlugin

 */

 CTestServicePlugin::CTestServicePlugin() : iLut(PtrTo16BitNormalisationTable())

 	{

 	}

 /**

 Destructor for CTestServicePlugin

 */

 CTestServicePlugin::~CTestServicePlugin()

 	{

 	}

 /**

 Sets the fading parameter

 @param	aFadeColor the fading color

 */

 void CTestServicePlugin::SetFadingParamsL(TUint8 aBlackMap, TUint8 aWhiteMap)

 	{

 	//Situations where blackMap > whiteMap are NOT supported

 	if (aBlackMap > aWhiteMap)

 		{

 		TUint8 oldMap = aBlackMap;

 		aBlackMap = aWhiteMap;

 		aWhiteMap = oldMap;

 		}

 	//CFbsBitGc::FadeArea() does the following per color component:

 	//   dst = dst * (whiteMap - blackMap) + blackMap;

 	//To achieve the same effect using MWsGraphicsContext we draw a rectangle

 	//with specific intensity and alpha values:

 	//   dst = dst * (1 - alpha) + intensity * alpha;

 	//Thus:

 	//   alpha = 1 - whiteMap + blackMap;

 	//   intensity = blackMap / alpha;

 	// alpha = 1 - whiteMap + blackMap;

 	TInt alpha = 255 - aWhiteMap + aBlackMap;

 	// intensity = blackMap / alpha;

 	TInt i = (aBlackMap * iLut[alpha]) >> 8;

 	iFadeColor.SetInternal(i << 16 | i << 8 | i | alpha << 24);

 	CLogFile* log = CLogFile::NewL();

 	CleanupStack::PushL(log);

 	log->WriteToLogL(_L("Fading parameters have been set."));

 	CleanupStack::PopAndDestroy(log);

 	}

 /**

 Gets the fade color parameter

 @return fade color parameter

 */

 TRgb CTestServicePlugin::GetFadeColorL()

 	{

 	CLogFile* log = CLogFile::NewL();

 	CleanupStack::PushL(log);

 	log->WriteToLogL(_L("Returned fade color."));

 	CleanupStack::PopAndDestroy(log);

 	return iFadeColor;

 	}

 /**

 Overides MWsObjectProvider. Resolve an instance of an interface

 @param aTypeId The interface UID.

 @return The pointer to the instance of an interface.

 */

 TAny* CTestServicePlugin::ResolveObjectInterface(TUint aTypeId)

 	{

 	switch (aTypeId)

 		{

 		case EImplUid:

 			return static_cast<CWsPlugin*>(this);

 		}

 	return NULL;

 	}

 /**

 Gets the plugin name

 @return The Plugin name.

 */

 const TDesC& CTestServicePlugin::PluginName() const

 	{

 	return KTestServicePluginName;

 	}