Source: src/CFps.h

/***************************************************************************
    vim:tabstop=4
                          CFps.h  -  description
                             -------------------
    begin                : Sun Jul 1 2001
    copyright            : (C) 2001 by Francois Biot
    email                : fbiot@free.fr
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef	_CFps_h_
#define	_CFps_h_

#include	

#if TIME_WITH_SYS_TIME
# include 
# include 
#else
# if HAVE_SYS_TIME_H
#  include 
# else
#  include 
# endif
#endif

class	CFps
{
	public:
 		CFps(unsigned long lEchantillonnage=1000);

		operator	float();
		long	operator	++(int)	{	return	mlCurrentFrames++;	}

		bool	IsChanged()
		{
			operator float();
			return	mbIsChanged;
		}

		float	MeanFps();
		long	LastFrames()	{	return	mlLastFrames;	}

		unsigned long	Ticks(struct timeval&) const;
		unsigned long	EllapsedUs(bool bReset=false);	

	private:
		void			Reset();
		long			mlFrames;
		long			mlLastFrames;
		long			mlCurrentFrames;
		struct timeval	mt;
		float			mfLastFps;
		unsigned long	mlLastTicks;
		long			mlInitsec;
		unsigned long	mlEch;
		bool			mbIsChanged;
};

#endif