1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef _STREAM_DECODER_IFACE_H

    17 

    18 #define _STREAM_DECODER_IFACE_H

    19 

    20 /** 	@file

    21 	@internalComponent */

    22 

    23 class MImageStreamDecoder;

    24 class MImageStreamDecoderFactory 

    25 	{

    26 public:

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

    28 	virtual void SetDtorKey(TUid aUid)=0;

    29 	virtual void Release()=0;

    30 	};

    31 

    32 class MUniqueChunkDataProvider;

    33 class CImageProcessor;

    34 class CFbsBitmap;

    35 class MImageStreamDecoder 

    36 	{

    37 public:

    38 

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

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

    41 

    42 	virtual void DecodeL()=0;

    43 	virtual void ResetL()=0;

    44 

    45 	virtual const TSize& ImageSize()=0;

    46 

    47 	virtual void Release()=0;

    48 	};

    49 

    50 class MUniqueChunkDataProvider 

    51 	{

    52 public:

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

    54 	};

    55 

    56 #endif // _STREAM_DECODER_IFACE_H