// Copyright (c) 2004-2009 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 EXIFTRANSFORM_H

#define EXIFTRANSFORM_H

#include "exifreaderwriter.h" // For MExifMetadata declaration

// CExifTransform - provides specialisation of CExifReaderWriter for use within the 

// Jpeg Exif transform plugin

class CExifTransform : public CExifReaderWriter

	{	

public:

	static CExifTransform* NewL(const TUint8* aData = NULL, const TUint aApp1Size = 0);

	~CExifTransform();

	// Functions not derived from MExifMetadata.

	TInt CreateExifChunk(HBufC8*& aExifChunk);

	void CheckUpdateMandatoryTagsL();

	TBool CheckImageSizeTags();

	void UpdateImageSizeTagsL(const TSize &aSize);

private: // functions

	CExifTransform();

	void ConstructL(const TUint8* aData, const TUint aApp1Size);

	virtual void SetIfd1L();

	void CreateExifHeaderL(HBufC8*& aBuffer);

	};

#endif // EXIFTRANSFORM_H