/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   Definition of CHuiCanvasRenderBuffer

*

*/

#ifndef __HUICANVASRENDERBUFFER_H__

#define __HUICANVASRENDERBUFFER_H__

#include <e32base.h>

/* Forward declarations. */    

class CHuiRenderPlugin;

class CHuiCanvasRenderBuffer : public CBase

    {

public:

	/**

	 * Constructor.

	 */

	IMPORT_C CHuiCanvasRenderBuffer();

	/**

	 * Destructor.

	 */ 

	IMPORT_C ~CHuiCanvasRenderBuffer();

    /**

     * Initializes render buffer.

     */

	IMPORT_C virtual void InitializeL(const TSize& aSize);

    /**

     * Releases render buffer resources.

     */

	IMPORT_C virtual void UnInitialize();

    /**

     * Binds as render target.

     */ 

	IMPORT_C virtual void Bind();

    /**

     * Unbinds as from being the active render target.

     */ 

    IMPORT_C virtual void UnBind();

    /**

     * Returns size in pixels.

     */ 

    IMPORT_C TSize Size() const;

    /**

     * Is buffer initilized or not

     */ 

    IMPORT_C TBool IsInitialized() const;

    /**

     * Copies content from the given buffer

     */ 

    IMPORT_C virtual void Copy(const CHuiCanvasRenderBuffer& aSourceBuffer);

    /**

     * Copies content from the active surface.

     */ 

    IMPORT_C virtual void Copy(TPoint aPoint);    

protected:

    TSize iSize;

    TBool iInitialized;

    };

#endif