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 CHuiVg10VGImageBinder

    15 *

    16 */

    17 

    18 #ifndef HUIVG10VGIMAGEBINDER_H_

    19 #define HUIVG10VGIMAGEBINDER_H_

    20 

    21 #include <e32base.h>

    22 #include <e32def.h>

    23 #include <VG/openvg.h>

    24 #include <EGL/egl.h>

    25 #include <MVGImageBinder.h>

    26 

    27 // Forward declarations

    28 class CHuiVg10RenderPlugin;

    29 

    30 /**

    31  * Implementation class for MVGImageBinder API.

    32  * 

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

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

    35  */

    36 class CHuiVg10VgImageBinder : public CBase, public MVGImageBinder

    37     {

    38 public:

    39 

    40     /**

    41      * Constructor.

    42      */

    43     static CHuiVg10VgImageBinder* NewL(CHuiVg10RenderPlugin* aRenderPlugin);

    44 

    45     /**

    46      * Destructor.

    47      */

    48     virtual ~CHuiVg10VgImageBinder();

    49 

    50     /**

    51      * From MVGImageBinder, creates a new PBufferFromClientBuffer

    52      * surface from the given parameter (of type VGImage)

    53      * 

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

    55      * @return  Error code

    56      */

    57     TInt BindClientBuffer(TUint aBuffer);

    58 

    59     /**

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

    61      * 

    62      * @return  Error code

    63      */

    64     TInt UnBindClientBuffer();

    65 

    66     

    67 private:    // Methods

    68     

    69     /**

    70     * Constructor.

    71     */

    72    CHuiVg10VgImageBinder(CHuiVg10RenderPlugin* aRenderPlugin);

    73 

    74    /**

    75     * 2nd phase constructor

    76     */

    77    void ConstructL();

    78     

    79    

    80 private:    // Data

    81 

    82     /** NOT Owned! **/

    83     CHuiVg10RenderPlugin* iRenderPlugin;

    84     

    85     EGLSurface iEglPBufferSurface_Client;

    86     EGLSurface iSavedDrawSurface;

    87     EGLSurface iSavedReadSurface;

    88 

    89     EGLContext iContext;

    90     EGLContext iSavedContext;

    91     };

    92 

    93 #endif /* HUIVG10VGIMAGEBINDER_H_ */

    94