// 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:

//

#include "ExifEncoder.h"

#include "ExifTagDescriptions.h"

#include "ExifTagHelper.h"

CExifEncoder* CExifEncoder::NewL(TBool aEncodeThumbnail)

	{

	CExifEncoder* self = new (ELeave) CExifEncoder(aEncodeThumbnail);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CExifEncoder::CExifEncoder(TBool aEncodeThumbnail)

	{

	iEncodeThumbnail = aEncodeThumbnail;

	}

CExifEncoder::~CExifEncoder()

	{

	delete iExifData;

	}

void CExifEncoder::SetIfd1L()

	{

	User::LeaveIfError(KErrNotSupported);

	}

TInt CExifEncoder::GetParam8(TUint /*aTag*/, TUint /*aIfd*/, HBufC8*& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetParam16(TUint /*aTag*/, TUint /*aIfd*/, HBufC16*& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetIntegerParam(TUint /*aTag*/, TUint /*aIfd*/, TInt& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetRationalParam(TUint /*aTag*/, TUint /*aIfd*/, TInt& /*aNumerator*/, TInt& /*aDenominator*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetShortParam(TUint /*aTag*/, TUint /*aIfd*/, TUint16& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetIntegerArrayParam(TUint /*aTag*/, TUint /*aIfd*/, CArrayFix<TInt>& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetShortArrayParam(TUint /*aTag*/, TUint /*aIfd*/, CArrayFix<TUint16>& /*aParam*/) const

	{

	return KErrNotSupported;

	}

TInt CExifEncoder::GetRationalArrayParam(TUint /*aTag*/, TUint /*aIfd*/, CArrayFix<TRational>& /*aParam*/) const

	{

	return KErrNotSupported;

	}

void CExifEncoder::ConstructL()

	{

    InitializeIfdsL(EFalse,ETrue);

	}

void CExifEncoder::SetEnableThumbnailL(TBool aEnable)

	{

	if (aEnable == iEncodeThumbnail)

		{

		return;

		}

	if (aEnable)

		{

		CIfd1* ifd = CIfd1::NewLC();

		iIfds.AppendL(ifd);

		CleanupStack::Pop(ifd);

		}

	else

		{

		int index;

		if (FindIfdIndex(EFirst, index))

			{

			delete iIfds[index];

			iIfds.Remove(index);

			}

		}

	iEncodeThumbnail = aEnable;	

	}

//	Creates the Exif Header proper, i.e. by pulling together all the appropriate data held in the IFD's.

TPtrC8 CExifEncoder::CreateExifHeaderL()

	{

	if(iExifData != NULL)

		{

		delete iExifData;

		iExifData = NULL;

		}

	iExifData = CreateExifHeaderBaseL();

	return TPtrC8(iExifData->Ptr(), iExifData->Length());

	}

TInt CExifEncoder::ThumbnailLengthOffset()

	{

	if(!iEncodeThumbnail)

		{

		return KErrNotSupported;

		}

	TUint offset = 0;

	TInt err = GetThumbnailLengthOffsetBase(offset);

	if (err!=KErrNone)

		{

		return err;

		}

	return offset;

	}

TInt CExifEncoder::ExifLengthOffset()

	{

	return KOffsetToApp1Size;

	}