// Copyright (c) 2005-2009 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:

// This feature is documented in ICL_Design_EXIF.doc

// 

//

/**

 @file

 @publishedAll

 @released

*/

#ifndef ICLEXIFIMAGEFRAME_H

#define ICLEXIFIMAGEFRAME_H

#include <imageconversion.h>

#include <icl/imageplugin.h>

#include <iclexif.h>

#include "imageframe.h"

/**

This class provides access to an extension of the EXIF JPEG decoder that supports

decoding of JPEG images held either in files or in descriptors to a destination of type CImageFrame.

This is an addition to the features provided by CJPEGExifDecoder.

*/

class CJPEGImageFrameDecoder : public CJPEGExifDecoder

	{

public:

	IMPORT_C static CJPEGImageFrameDecoder* NewL();

	IMPORT_C ~CJPEGImageFrameDecoder();

	IMPORT_C void ConvertFrame(TRequestStatus* aRequestStatus, CImageFrame& aDestFrame);

	IMPORT_C void ConvertFrame(TRequestStatus* aRequestStatus, CImageFrame& aDestFrame, TInt aFrameNumber);

	IMPORT_C void ContinueConvertFrame(TRequestStatus* aRequestStatus);

	IMPORT_C TBool RecommendedBufferSize(TUid aFormatCode, TInt& bufferSize);

	IMPORT_C TBool RecommendedBufferSize(TInt& bufferSize);

protected:

	IMPORT_C CJPEGImageFrameDecoder();

	};

/**

This class provides access to an extension of the EXIF JPEG encoder that supports

encoding JPEG images from a source of type CImageFrame to either a file or a descriptor. 

This is an addition to the features provided by CJPEGExifEncoder.

*/

class CJPEGImageFrameEncoder : public CJPEGExifEncoder

	{

public:

	IMPORT_C static CJPEGImageFrameEncoder* NewL();

	IMPORT_C ~CJPEGImageFrameEncoder();

	IMPORT_C void ConvertFrame(TRequestStatus* aRequestStatus, const CImageFrame& aSrcFrame);

	IMPORT_C void ConvertFrame(TRequestStatus* aRequestStatus, const CImageFrame& aSrcFrame, const CFrameImageData* aFrameImageData);

protected:

	IMPORT_C CJPEGImageFrameEncoder();

	};

/**

This is the plugin API for Image Converter Library decoder plugins relating to CImageFrames.

It is an extension of the ICL EXIF decoder plugin which provides a container for specific

data required to decode a JPEG file or descriptor to a destination of type CImageFrame.

*/

class CJPEGImageFrameDecoderPlugin : public CJPEGExifDecoderPlugin

	{

public:

	IMPORT_C ~CJPEGImageFrameDecoderPlugin();

	IMPORT_C CImageFrame& DstImageFrame();

	IMPORT_C TInt FrameNumber() const;

	IMPORT_C TUid FormatCode() const;

	IMPORT_C void SetRecommendedBufferSize(TInt aBufferSize);

	void SetConvertParameters(CImageFrame& aDestFrame, TInt aFrameNumber);

	void SetFormatCode(TUid aFormatCode);

	TInt RecommendedBufferSize();

protected:

	IMPORT_C CJPEGImageFrameDecoderPlugin();

private:

	// reserved for future expansion

	IMPORT_C virtual void Reserved1();

	IMPORT_C virtual void Reserved2();

	IMPORT_C virtual void Reserved3();

private:

	CImageFrame* iDstImageFrame;

	TInt iFrameNumber;

	TUid iFormatCode;		

	TInt iRecommendedBufferSize;

	TAny* iReserved;

	};

/**

This is the plugin API for Image Converter Library encoder plugins relating to CImageFrames. 

It is an extension of the ICL EXIF encoder plugin which provides a container for specific

data required to encode image data from a source of type CImageFrame to a JPEG file or descriptor.

*/

class CJPEGImageFrameEncoderPlugin : public CJPEGExifEncoderPlugin

	{

public:

	IMPORT_C ~CJPEGImageFrameEncoderPlugin();

	IMPORT_C const CImageFrame& SrcImageFrame() const;

	IMPORT_C const CFrameImageData& FrameImageData() const;

	void SetConvertParameters(const CImageFrame& aSrcFrame, const CFrameImageData* aFrameImageData);

protected:

	IMPORT_C CJPEGImageFrameEncoderPlugin();

private:

	// reserved for future expansion

	IMPORT_C virtual void Reserved1();

	IMPORT_C virtual void Reserved2();

	IMPORT_C virtual void Reserved3();

private:

	const CImageFrame* iSrcImageFrame;

	const CFrameImageData* iFrameImageData;

	TAny* iReserved;

	};

#endif // ICLEXIFIMAGEFRAME_H