1 #ifndef LIW_BUFFEREXTENSION_H

     2 #define LIW_BUFFEREXTENSION_H/*

     3 * Copyright (c) 2003-2005 Nokia Corporation and/or its subsidiary(-ies).

     4 * All rights reserved.

     5 * This component and the accompanying materials are made available

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

     7 * which accompanies this distribution, and is available

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

     9 *

    10 * Initial Contributors:

    11 * Nokia Corporation - initial contribution.

    12 *

    13 * Contributors:

    14 *

    15 * Description:       Abstract bitmap buffer representation.

    16 *

    17 */

    18 

    19 

    20 

    21 

    22 

    23 

    24 

    25 #include <fbs.h>

    26 

    27 #include "liwvariant.h"

    28 class CFbsBitmap;

    29 

    30 class CLiwBitmapBuffer : public CLiwBuffer

    31 	{

    32 	public:

    33 		/*

    34 		 * The concrete implementation of buffer types should perform equality operation

    35 		 * check. This is a platform specifc extension class to support bitmap

    36 		 * buffer to abstract CFbsBitmap type.

    37 		 

    38 		 *

    39 		 * @return platform specific bitmap representation. By default, this method

    40 		 * returns NULL

    41 		 */

    42 		virtual CFbsBitmap* AsBitmap()

    43 			{

    44 			return NULL;	// return NULL by default

    45 			} 

    46 	};

    47 

    48 /**

    49  	* Abstract file buffer representation.

    50 	*

    51 **/

    52 class CLiwFileBuffer : public CLiwBuffer

    53 {

    54 	public:

    55 		virtual RFile& AsFile() = 0;

    56 };

    57 

    58 #endif