// Copyright (c) 1999-2009 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 __ICOCODEC_H__

#define __ICOCODEC_H__

#include <bitdev.h>

#include <icl/imageprocessor.h>

#include <icl/imagecodec.h>

#include "ICOConvert.h"

// Ico Read codec.

class CIcoReadCodec : public CImageMaskProcessorReadCodec

	{

public:

	// From CImageReadCodec

	virtual void InitFrameL(TFrameInfo& aFrameInfo, CFrameImageData& aFrameImageData, TBool aDisableErrorDiffusion, CFbsBitmap& aDestination, CFbsBitmap* aDestinationMask);

	~CIcoReadCodec();

	static CIcoReadCodec* NewL(TInt aIconHeadersToProcess);

private:

	CIcoReadCodec(TInt aIconHeadersToProcess);

protected:

	// from CImageReadCodec

	virtual void InitFrameHeader(TFrameInfo& aFrameSettings, CFrameImageData& aFrameImageData);

	TFrameState ProcessFrameHeaderL(TBufPtr8& aData);

	TFrameState ProcessFrameL(TBufPtr8& aSrc);

	// New

	void DoProcessL();

	void WritePixels(TInt aNumPixels,TBool aUpdatePos = ETrue);

protected:

	TInt iImageDataBytes;

	TInt iIconHeadersToProcess;

	TFrameInfo* iFrameInfo;

	TBool iNewFrame;

	TRgb iPalette[256];

	TUint8* iDataPtr;

	TUint8* iDataPtrLimit;

	TInt iBmpBytesExpected;

	TInt iMaskBytesExpected;

	};

#endif // __ICOCODEC_H__