/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description:  

*

*/

#ifndef __CJPEGSCALE_H__

#define __CJPEGSCALE_H__

#include <e32base.h>

class MJpegScaleCallBack

	{

	public:

		virtual ~MJpegScaleCallBack() {}

		virtual void JpegStatusCallBack( TInt aPercentReady );

	};

class CJpegScale

	: public CBase

	{

	public:

		/// Default constructor

		/// @param aCallBack status callback, tells conversion status percentage. Not mandatory

		CJpegScale( MJpegScaleCallBack* aCallBack = 0 );

		~CJpegScale();

	public:

		/// Scales jpeg iSourceName to iTargetName

		/// target size will be of iTargetScale

		/// if iTargetScale = 0 then iTargetSize is used

		/// can leave with common error codes

		/// Only downscaling supported

		void ScaleL();

	public:

		TFileName iSourceName;		/// source file name

		TFileName iTargetName;		/// target file name

		TReal iTargetScale;			/// target jpeg scale, 1.0 = 1:1 , if 0.0 then iTargetSize used instead

		TSize iTargetSize;			/// target jpeg size in pixels

		TInt iQuality;				/// target jpeg quality 0..100 default 95

	private:

		MJpegScaleCallBack* iCallBack;

	};

#endif