1 /*

     2 * Copyright (c) 2006-2007 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 CHuiCanvasRenderBuffer

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __HUICANVASRENDERBUFFER_H__

    21 #define __HUICANVASRENDERBUFFER_H__

    22 

    23 

    24 #include <e32base.h>

    25     

    26 /* Forward declarations. */    

    27 class CHuiRenderPlugin;

    28 

    29 class CHuiCanvasRenderBuffer : public CBase

    30     {

    31 public:

    32 

    33 	/**

    34 	 * Constructor.

    35 	 */

    36 	IMPORT_C CHuiCanvasRenderBuffer();

    37 

    38 	/**

    39 	 * Destructor.

    40 	 */ 

    41 	IMPORT_C ~CHuiCanvasRenderBuffer();

    42     

    43     /**

    44      * Initializes render buffer.

    45      */

    46 	IMPORT_C virtual void InitializeL(const TSize& aSize);

    47     

    48     /**

    49      * Releases render buffer resources.

    50      */

    51 	IMPORT_C virtual void UnInitialize();

    52 	

    53     /**

    54      * Binds as render target.

    55      */ 

    56 	IMPORT_C virtual void Bind();

    57 

    58     /**

    59      * Unbinds as from being the active render target.

    60      */ 

    61     IMPORT_C virtual void UnBind();

    62 

    63     /**

    64      * Returns size in pixels.

    65      */ 

    66     IMPORT_C TSize Size() const;

    67     

    68     /**

    69      * Is buffer initilized or not

    70      */ 

    71     IMPORT_C TBool IsInitialized() const;

    72     

    73     /**

    74      * Copies content from the given buffer

    75      */ 

    76     IMPORT_C virtual void Copy(const CHuiCanvasRenderBuffer& aSourceBuffer);

    77     

    78     /**

    79      * Copies content from the active surface.

    80      */ 

    81     IMPORT_C virtual void Copy(TPoint aPoint);    

    82     

    83 protected:

    84     

    85     TSize iSize;

    86     TBool iInitialized;

    87  

    88     };

    89 

    90 #endif        

    91