/*

* 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:    Definition of GlxtnImageDecoderFactory

*

*/

#ifndef GLXTNIMAGEDECODERFACTORY_H

#define GLXTNIMAGEDECODERFACTORY_H

#include <e32std.h>

class CImageDecoder;

class RFs;

/**

 * Factory to create appropriate decoder for a given image.

 *

 * @author Dan Rhodes

 * @ingroup glx_thumbnail_creator

 */

class GlxtnImageDecoderFactory

    {

public:

    /**

    * Create a decoder for an image file.  If the file is a JPEG, the function

    * will first try to create a hardware decoder.  If that fails a software

    * decoder will be created.

    * @param aFs File server session.

    * @param aFilename Full path of the file.

    * @return Pointer to image decoder (caller takes ownership).

    */

    static CImageDecoder* NewL( RFs& aFs, const TDesC& aFilename );

    /**

    * Create a decoder for JPEG image data.

    * @param aFs File server session.

    * @param aData Buffer containing the image to be decoded.

    * @return Pointer to image decoder (caller takes ownership).

    */

    static CImageDecoder* NewL( RFs& aFs, const TDesC8& aData );

    /**

        * Create a decoder for an image file.  If the file is a JPEG, the function

        * will first try to create a hardware decoder.  If that fails a software

        * decoder will be created.It also returns the type of decoder used

        * @param aFs File server session.

        * @param aFilename Full path of the file.

        * @param 

        * @return Pointer to image decoder (caller takes ownership).

        */

    static CImageDecoder* NewL( RFs& aFs, const TDesC& aFilename, TBool& aDecoderType );

    };

#endif  // GLXTNIMAGEDECODERFACTORY_H