/*

* Copyright (c) 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:  Declaration of CCamBuffer class.

*                Temporary own implementation of MCameraBuffer. 

*                

*

*/

#ifndef C_CAM_BUFFER_H

#define C_CAM_BUFFER_H

#include <e32base.h> // CBase

#include <ecam.h>    // MCameraBuffer

class CFbsBitmap;

class CCamBuffer : public CBase, 

                   public MCameraBuffer

  {

  // =======================================================

  public:

    static CCamBuffer* NewL( const CFbsBitmap& aBitmap, 

                                   HBufC8*     aData );

    static CCamBuffer* NewLC( const CFbsBitmap& aBitmap, 

                                    HBufC8*     aData );

    static CCamBuffer* NewL( CFbsBitmap* aBitmap, 

                             HBufC8*     aData );

    static CCamBuffer* NewLC( CFbsBitmap* aBitmap, 

                              HBufC8*     aData );

  // from MCameraBuffer

  public:

    virtual TInt NumFrames();

    virtual TDesC8* DataL( TInt aFrameIndex );

    virtual CFbsBitmap& BitmapL( TInt aFrameIndex );

    virtual RChunk& ChunkL();

    virtual TInt ChunkOffsetL( TInt aFrameIndex );

    virtual TInt FrameSize( TInt aFrameIndex );

    virtual void Release();

  // new methods

  public:

  protected:

  private:

    void ConstructL( const CFbsBitmap& aBitmap, 

                           HBufC8*     aData );

    void ConstructL( CFbsBitmap* aBitmap, 

                     HBufC8*     aData );

    CCamBuffer();

    ~CCamBuffer(); /** private to force use of Release() */

  // =======================================================

  // Data

  public:

    // Defined in MCameraBuffer

    //     TInt iIndexOfFirstFrameInBuffer;

    //     TTimeIntervalMicroSeconds iElapsedTime;

  protected:

  private:

    CFbsBitmap* iBitmap;

    HBufC8*     iImageData;

    RChunk      iChunk; // Needed to reference

    TBool iOwnBitmap;

    TBool iOwnData;

  // =======================================================

  };  

#endif // C_CAM_BUFFER_H

// end of file