1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "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 *

    14 * Description:    Definition of GlxtnImageDecoderFactory

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef GLXTNIMAGEDECODERFACTORY_H

    22 #define GLXTNIMAGEDECODERFACTORY_H

    23 

    24 #include <e32std.h>

    25 

    26 class CImageDecoder;

    27 class RFs;

    28 

    29 /**

    30  * Factory to create appropriate decoder for a given image.

    31  *

    32  * @author Dan Rhodes

    33  * @ingroup glx_thumbnail_creator

    34  */

    35 class GlxtnImageDecoderFactory

    36     {

    37 public:

    38     /**

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

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

    41     * decoder will be created.

    42     * @param aFs File server session.

    43     * @param aFilename Full path of the file.

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

    45     */

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

    47     /**

    48     * Create a decoder for JPEG image data.

    49     * @param aFs File server session.

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

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

    52     */

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

    54     /**

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

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

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

    58         * @param aFs File server session.

    59         * @param aFilename Full path of the file.

    60         * @param 

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

    62         */

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

    64     };

    65 

    66 #endif  // GLXTNIMAGEDECODERFACTORY_H