// Copyright (c) 2002-2009 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:

// BitmapScaling.cpp

// 

//

#include "BitmapTransformsBody.h"

#include "BitmapTransformsMain.h"

#include "BitmapTransforms.h"

#include <bitmtrans/bitmtransplugin.h>

#include <bitmtrans/bitmtransuids.hrh>

#include <ecom/ecom.h>

#include <mm/mmpluginutils.h>

/*

*The function NewL constructs a CBitmapScalerBody

*

*@return CBitmapScalerBody* 

*/

CBitmapScalerBody* CBitmapScalerBody::NewL()

	{

	CBitmapScalerBody* self = new(ELeave) CBitmapScalerBody();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

/*

*

*CBitmapScalerBody()

*Constructor for this class. 

*/

CBitmapScalerBody::CBitmapScalerBody()

	{

	}

/*

*

*ConstructL()

*Performs second phase of construction.

*/

void CBitmapScalerBody::ConstructL()

	{

	TUid interfaceUid = {KUidBitmapScalerPlugin};

	iPlugin = 

		static_cast<MBitmapScalerPlugin*>

			(MmPluginUtils::CreateImplementationL(interfaceUid, iDestructorKey, KBitmTransPluginMatchString, KRomOnlyResolverUid));

	}

/*

*

*~CBitmapScalerBody

*This is the destructor for the CBitmapScalerBody 

*and is resposible for deallocating all resources 

*allocated by the CBitmapScalerBody.

*/

CBitmapScalerBody::~CBitmapScalerBody()

	{

	delete iPlugin;

	REComSession::DestroyedImplementation(iDestructorKey);

	REComSession::FinalClose();

	}

/*

 *

 * Begins the bitmap re-scaling operation.

 *

 * The scaling factor is based on the relative sizes of the source

 * and target bitmaps. The operation is asynchronous. When it is

 * complete, successfully or otherwise, the TRequestStatus &

 * aStatus is set, passing the state of the operation.

 *

 * @param     TRequestStatus* aRequestStatus

 *

 * @param     "CFbsBitmap& aSrcBitmap"

 *            The bitmap to be re-scaled.

 * @param     "CFbsBitmap& aTgtBitmap"

 *            The target location for the re-scaled bitmap.

 * @param     "TBool aMaintainAspectRatio = ETrue"

 *            ETrue  - the aspect ratio is retained;

 *            this is the default. The same scaling factor is

 *            applied in both the horizontal and vertical

 *            directions. This is the smaller of the horizontal

 *            scaling factor and the vertical scaling factor.

 *             EFalse  - the aspect ratio need not be

 *            retained.

 *

 *

 */

void CBitmapScalerBody::Scale(TRequestStatus* aRequestStatus,

							  CFbsBitmap& aSrcBitmap,

							  CFbsBitmap& aTgtBitmap,

							  TBool aMaintainAspectRatio)

	{

	iPlugin->Scale(aRequestStatus, aSrcBitmap, aTgtBitmap, aMaintainAspectRatio);

	}

/*

*

* CustomCommand

* @param aUid

* @param aParam

* @return 'TInt' an error code indicating success or failure of the 

* command

*

*/

TInt CBitmapScalerBody::CustomCommand(TUid aUid, TAny* aParam)

	{

	return iPlugin->CustomCommand(aUid, aParam);

	}