// 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 __WMFCONVERT_H__

#define __WMFCONVERT_H__

#include "icl/ImagePlugin.h"

#include "WMFCodec.h"

#include <w32std.h>

// Decoder.

class CWmfReadCodec;

class CWmfDecoder : public CImageDecoderPlugin

	{

public:

	enum TWmfSubType

		{

		EWmfUnknownSubType, EWmfStdSubType, EWmfApmSubType, EWmfClpSubType

		};

public:

 	static CWmfDecoder* NewL();

 	static CWmfDecoder* NewStdL();

 	static CWmfDecoder* NewApmL();

 	static CWmfDecoder* NewClpL();

	virtual ~CWmfDecoder();

	virtual void ImageType(TInt aFrameNumber, TUid& aImageType, TUid& aImageSubType) const;

	CFrameInfoStrings* FrameInfoStringsL(RFs& aFs, TInt aFrameNumber);

	void EnableMaskGeneration();

protected:

	void Cleanup();

private:

	CWmfDecoder(TWmfSubType aWmfSubType);

	void ReadFormatL();

	void ScanDataL();

	void ProcessWmfApmHeaderL(const TUint16* aData, TRect& aFrameCoords, TSize& aOverallSize, TSize& aFrameSize);

	void ProcessWmfClpHeaderL(const TUint16* aData, TRect& aFrameCoords, TSize& aOverallSize, TSize& aFrameSize);

	void CheckDeviceL();

	TSize FindSetWindowExtL();

private:

	CFbsScreenDevice* iDevice;

	TInt iWordsExpected;

	TBool iMaskGenerationEnabled;

	TWmfSubType iWmfSubType;

	TBool iRFbsSessionIsOurs;

	};

#endif // __WMFCONVERT_H__