/*

* 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 CHuiVg10VGImageBinder

*

*/

#ifndef HUIVG10VGIMAGEBINDER_H_

#define HUIVG10VGIMAGEBINDER_H_

#include <e32base.h>

#include <e32def.h>

#include <VG/openvg.h>

#include <EGL/egl.h>

#include <MVGImageBinder.h>

// Forward declarations

class CHuiVg10RenderPlugin;

/**

 * Implementation class for MVGImageBinder API.

 * 

 * This class is being used for providing the NVGDecoder the necessary

 * implementation for handling NVG-TLV special case "Group opacity"

 */

class CHuiVg10VgImageBinder : public CBase, public MVGImageBinder

    {

public:

    /**

     * Constructor.

     */

    static CHuiVg10VgImageBinder* NewL(CHuiVg10RenderPlugin* aRenderPlugin);

    /**

     * Destructor.

     */

    virtual ~CHuiVg10VgImageBinder();

    /**

     * From MVGImageBinder, creates a new PBufferFromClientBuffer

     * surface from the given parameter (of type VGImage)

     * 

     * @param   aBuffer A Buffer identifier (VGImage handle), used to create the surface

     * @return  Error code

     */

    TInt BindClientBuffer(TUint aBuffer);

    /**

     * From MVGImageBinder, unbinds the PBufFromCliBuf & restores the previous surface

     * 

     * @return  Error code

     */

    TInt UnBindClientBuffer();

private:    // Methods

    /**

    * Constructor.

    */

   CHuiVg10VgImageBinder(CHuiVg10RenderPlugin* aRenderPlugin);

   /**

    * 2nd phase constructor

    */

   void ConstructL();

private:    // Data

    /** NOT Owned! **/

    CHuiVg10RenderPlugin* iRenderPlugin;

    EGLSurface iEglPBufferSurface_Client;

    EGLSurface iSavedDrawSurface;

    EGLSurface iSavedReadSurface;

    EGLContext iContext;

    EGLContext iSavedContext;

    };

#endif /* HUIVG10VGIMAGEBINDER_H_ */