// 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:

//

#ifndef _STREAM_DECODER_IFACE_H

#define _STREAM_DECODER_IFACE_H

/** 	@file

	@internalComponent */

class MImageStreamDecoder;

class MImageStreamDecoderFactory 

	{

public:

	virtual void CreatePngDecoderL(MImageStreamDecoder*& aPtr)=0;

	virtual void SetDtorKey(TUid aUid)=0;

	virtual void Release()=0;

	};

class MUniqueChunkDataProvider;

class CImageProcessor;

class CFbsBitmap;

class MImageStreamDecoder 

	{

public:

	virtual void InitL(CImageProcessor& aImageProcessor, CImageProcessor* aMaskProcessor, CFbsBitmap* aDestination, 

						const TPtrC8& aData, MUniqueChunkDataProvider& aProvider)=0;

	virtual void DecodeL()=0;

	virtual void ResetL()=0;

	virtual const TSize& ImageSize()=0;

	virtual void Release()=0;

	};

class MUniqueChunkDataProvider 

	{

public:

   virtual TInt GetChunkData(const TText8* aChunkId, const TUint8*& aPalettePtr, TInt& aSizeInBites)=0;

	};

#endif // _STREAM_DECODER_IFACE_H