/*

* Copyright (c) 2010 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: 

*

*/

#ifndef __GIFANIMATOR_H__

#define __GIFANIMATOR_H__

#include <e32std.h>

#include <e32base.h>

#include "sgengine.h"

class CImageEncoder;

class MDialogCallback

    {

public:

    virtual void DialogDismissedL( TInt aButtonId ) = 0;

    };

class CGifAnimator : public CBase 

	{

public:

	static int CreateGifAnimation(const TDesC& aFileName, TSize aDimensions, CVideoFrameArray* aVideoFrameArray, EngineWrapper& aEngineWrapper);

	~CGifAnimator();

private:

    CGifAnimator();

    void StartL(const TDesC& aFileName, const TSize& aDimensions, CVideoFrameArray* aVideoFrameArray, EngineWrapper& aEngineWrapper);

    void WriteHeaderL(const TSize& aDimensions);

    void WriteGraphicControlL(const TVideoFrame& aFrame);

    void WriteImageDescriptorL(const TVideoFrame& aFrame);

    CFbsBitmap* GetBitmapLC(TVideoFrame& aFrame, const TSize& aDimensions);

    void WriteRasterDataL(CFbsBitmap* aBitmap);

    void WriteFooterL();

    void FinishL();

    void WriteInt8L(TInt aValue);

    void WriteInt16L(TInt aValue);

private:

    RFs                         iFs;

    RFile                       iOutFile;

	CImageEncoder*              iImageEncoder;

	HBufC8*                     iGIFImageData;

    };

#endif // __GIFANIMATOR_H__