1 /*

     2 * Copyright (c) 2003-2006 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:  JPEG2000 image encoder/decoder plugin entry point.

    15 *

    16 */

    17 

    18 

    19 // INCLUDE FILES

    20 #include <ecom/ecom.h>

    21 #include <ecom/implementationproxy.h>

    22 #include <icl/imageconstruct.h>

    23 #include <icl/icl_uids.hrh>

    24 #include <JP2KUids.hrh>

    25 #include "JP2KFormat.h"

    26 #include "JP2KConvert.h"

    27 

    28 // EXTERNAL DATA STRUCTURES

    29 

    30 // EXTERNAL FUNCTION PROTOTYPES  

    31 

    32 // CONSTANTS

    33 

    34 // MACROS

    35 #ifdef __EABI__

    36 #ifndef IMPLEMENTATION_PROXY_ENTRY

    37 typedef TAny* TProxyNewLPtr;

    38 #define IMPLEMENTATION_PROXY_ENTRY(aUid, aFuncPtr) {{aUid},(TProxyNewLPtr)(aFuncPtr)}

    39 #endif

    40 #endif

    41 

    42 // LOCAL CONSTANTS AND MACROS

    43 

    44 // MODULE DATA STRUCTURES

    45 

    46 // LOCAL FUNCTION PROTOTYPES

    47 

    48 // FORWARD DECLARATIONS

    49 

    50 /**

    51 *  CJp2kDecodeConstruct class.

    52 *  Implement the entry point for creating JPEG2000 decoder.

    53 *

    54 *  @lib ?library

    55 *  @since 2.6

    56 */

    57 class CJp2kDecodeConstruct : public CImageDecodeConstruct

    58 {

    59     public:

    60 

    61         /**

    62         * Two-phased constructor.

    63         */

    64         static CJp2kDecodeConstruct* NewL();

    65 

    66     public:

    67         

    68         /**

    69         * Instantiates JPEG 2000 plug-in.

    70         * @since 2.6

    71         * @param None.

    72         * @return Pointer to instantiated plug-in.

    73         */

    74         CImageDecoderPlugin* NewPluginL() const;

    75 };

    76 

    77 // ============================ MEMBER FUNCTIONS ===============================

    78 

    79 // -----------------------------------------------------------------------------

    80 // CJp2kDecodeConstruct::NewL

    81 // Two-phased constructor.

    82 // -----------------------------------------------------------------------------

    83 //

    84 CJp2kDecodeConstruct* CJp2kDecodeConstruct::NewL()

    85     {

    86     CJp2kDecodeConstruct* self = new ( ELeave ) CJp2kDecodeConstruct;

    87 

    88     CleanupStack::PushL( self );

    89     self->ConstructL();

    90     CleanupStack::Pop( self );

    91 

    92     return self;

    93     }

    94 

    95 // -----------------------------------------------------------------------------

    96 // CJp2kDecodeConstruct::NewPluginL

    97 // Creating a new CJp2kDecodeConstruct object.

    98 // (other items were commented in a header).

    99 // -----------------------------------------------------------------------------

   100 //

   101 CImageDecoderPlugin* CJp2kDecodeConstruct::NewPluginL() const

   102     {

   103     return CJp2kDecoder::NewL();

   104     }

   105 

   106 // -----------------------------------------------------------------------------

   107 // Global implementation uid array

   108 // Define the Implementation UIDs for JP2K decoder.

   109 // (other items were commented in a header).

   110 // -----------------------------------------------------------------------------

   111 //

   112 const TImplementationProxy ImplementationTable[] =

   113 {

   114     // Decoder recognize two different formats

   115     // JP2 file format and JP2 codestream 

   116     IMPLEMENTATION_PROXY_ENTRY( KJ2KDecoderImplementationUidValueFileFormat, 

   117     CJp2kDecodeConstruct::NewL ),

   118     IMPLEMENTATION_PROXY_ENTRY( KJ2KDecoderImplementationUidValueCodeStream, 

   119     CJp2kDecodeConstruct::NewL ),

   120     IMPLEMENTATION_PROXY_ENTRY( KJ2KDecoderImplementationUid, 

   121     CJp2kDecodeConstruct::NewL )

   122 };

   123 

   124 // ========================== OTHER EXPORTED FUNCTIONS =========================

   125 

   126 // -----------------------------------------------------------------------------

   127 // ImplementationGroupProxy Implements proxy interface for ECom

   128 // Exported proxy for instantiation method resolution.

   129 // -----------------------------------------------------------------------------

   130 //

   131 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(  //lint !e714 Used by ECom

   132     TInt& aTableCount ) // Number of tables 

   133     {

   134     aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy );

   135     return ImplementationTable;

   136     }