/*

* Copyright (c) 2006 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:  

*	CDCDithering 

*		Dithering by H263 algorithm developed in NMP/Oulu.

*

*/

/*

-----------------------------------------------------------------------------

    DESCRIPTION

    Defines the dithering class.

-----------------------------------------------------------------------------

*/

#ifndef  __DCDithering_H__

#define  __DCDithering_H__

//  INCLUDES

#ifndef   __E32STD_H__

#include  <e32std.h>   // for Fundamental Types

#endif // __E32STD_H__

#ifndef   __E32BASE_H__

#include  <e32base.h>  // for CBase

#endif // __E32BASE_H__

//Class definition

class CDCDithering : public CBase

{

public:

	CDCDithering();					// Constructor

	static CDCDithering* NewL();	// Factory function

	static CDCDithering* NewLC();	// Factory function

	~CDCDithering();				// Destructor

	void ConstructL();				// Second Phase contructor (may leave)

	// Process and store image referenced by aBPtr

	void ProcessL(CFbsBitmap& aBPtr);

private:

	// Limit integer value to byte [0,255]

	static inline TUint8 Limit255(TInt i) {return (TUint8)(i<0?0:(i>255?255:i));}

	// Scan line buffer

	HBufC8*  iScanLineBuffer;

};

#endif // __DCDithering_H__

// End of File

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