1 /*

     2 * Copyright (c) 2010 Ixonos Plc.

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - Initial contribution

    11 *

    12 * Contributors:

    13 * Ixonos Plc

    14 *

    15 * Description:  

    16 *

    17 */

    18 

    19 

    20 #ifndef __CJPEGSCALE_H__

    21 #define __CJPEGSCALE_H__

    22 

    23 #include <e32base.h>

    24 

    25 class MJpegScaleCallBack

    26 	{

    27 	public:

    28 		virtual ~MJpegScaleCallBack() {}

    29 		virtual void JpegStatusCallBack( TInt aPercentReady );

    30 	};

    31 	

    32 	

    33 	

    34 class CJpegScale

    35 	: public CBase

    36 	{

    37 	public:

    38 		/// Default constructor

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

    40 		CJpegScale( MJpegScaleCallBack* aCallBack = 0 );

    41 		~CJpegScale();

    42 	public:

    43 	

    44 		/// Scales jpeg iSourceName to iTargetName

    45 		/// target size will be of iTargetScale

    46 		/// if iTargetScale = 0 then iTargetSize is used

    47 		/// can leave with common error codes

    48 		/// Only downscaling supported

    49 		void ScaleL();

    50 		

    51 	public:

    52 		TFileName iSourceName;		/// source file name

    53 		TFileName iTargetName;		/// target file name

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

    55 		TSize iTargetSize;			/// target jpeg size in pixels

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

    57 		

    58 	private:

    59 		MJpegScaleCallBack* iCallBack;

    60 		

    61 		

    62 	};

    63 

    64 #endif