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:    Implementation of GlxtnImageDecoderFactory

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #include "glxtnimagedecoderfactory.h"

    22 

    23 #include <glxtracer.h>

    24 #include <IclExtJpegApi.h>  // For CExtJpegDecoder

    25 

    26 // ---------------------------------------------------------------------------

    27 // NewL

    28 // ---------------------------------------------------------------------------

    29 //

    30 CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs,

    31                                                 const TDesC& aFilename )

    32     {

    33     TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    34     CImageDecoder* decoder = NULL;

    35     TBool aIsExtDecoderUsed = EFalse;

    36     decoder = GlxtnImageDecoderFactory::NewL(aFs, aFilename, aIsExtDecoderUsed);

    37     return decoder;

    38     }

    39 // ---------------------------------------------------------------------------

    40 // NewL

    41 // ---------------------------------------------------------------------------

    42 //

    43 CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs,

    44                                                 const TDesC& aFilename, TBool& aIsExtDecoderUsed )

    45     {

    46     TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    47     CImageDecoder* decoder = NULL;

    48     aIsExtDecoderUsed = ETrue; //setting decoder type to CExtJpegDecoder

    49     // Use extended JPEG decoder

    50     TRAPD( err, decoder = CExtJpegDecoder::FileNewL(

    51                 CExtJpegDecoder::EHwImplementation, aFs, aFilename, CImageDecoder::EOptionNone ) );

    52     if ( KErrNone != err )

    53         {

    54         TRAP(err,decoder = CExtJpegDecoder::FileNewL(

    55                 CExtJpegDecoder::ESwImplementation, aFs, aFilename, CImageDecoder::EOptionNone ) );

    56         if ( KErrNone != err )

    57             {

    58             // Not a JPEG - use standard decoder

    59             decoder = CImageDecoder::FileNewL( aFs, aFilename, CImageDecoder::EOptionNone );

    60             aIsExtDecoderUsed = EFalse;

    61             }

    62         }

    63 

    64     return decoder;

    65     }

    66 // ---------------------------------------------------------------------------

    67 // NewL

    68 // ---------------------------------------------------------------------------

    69 //

    70 CImageDecoder* GlxtnImageDecoderFactory::NewL( RFs& aFs, const TDesC8& aData )

    71     {

    72     TRACER("CImageDecoder* GlxtnImageDecoderFactory::NewL()");

    73     CImageDecoder* decoder = NULL;

    74 

    75     TRAPD( err, decoder = CExtJpegDecoder::DataNewL(

    76                         CExtJpegDecoder::EHwImplementation, aFs, aData ) );

    77     if ( KErrNone != err )

    78         {

    79         TRAP(err, decoder = CExtJpegDecoder::DataNewL(

    80                         CExtJpegDecoder::ESwImplementation, aFs, aData ) );

    81         if ( KErrNone != err )

    82             {

    83             // Not a JPEG - use standard decoder

    84             decoder = CImageDecoder::DataNewL( aFs, aData, CImageDecoder::EOptionNone );

    85             }

    86         }

    87 

    88     return decoder;

    89     }