/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *
 *  RawTherapee 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 3 of the License, or
 *  (at your option) any later version.
 * 
 *  RawTherapee is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef _MYTIME_
#define _MYTIME_

#ifdef WIN32
#include <windows.h>
#elif defined __APPLE__
#include <sys/time.h>
#else
#include <ctime>
#endif 

class MyTime {

	public:
#ifndef WIN32
        timespec t;
#else
        LONGLONG t;
        LONGLONG baseFrequency;
        MyTime(){
    		LARGE_INTEGER ulf;
    		QueryPerformanceFrequency(&ulf);
    		baseFrequency = ulf.QuadPart;
    		QueryPerformanceCounter(&ulf);
    		t = ulf.QuadPart;
        }
#endif

	void set () {
#ifdef WIN32
		LARGE_INTEGER ulf;
		QueryPerformanceCounter(&ulf);
		t = ulf.QuadPart;
#elif defined __APPLE__
   struct timeval tv;
   gettimeofday(&tv, NULL);
   t.tv_sec = tv.tv_sec;
   t.tv_nsec = tv.tv_usec*1000;
#else
   clock_gettime (CLOCK_REALTIME, &t); 
#endif 	
}

	int etime (MyTime a) {
#ifndef WIN32
		return (t.tv_sec-a.t.tv_sec)*1000000 + (t.tv_nsec-a.t.tv_nsec)/1000;
#else
		return (t - a.t)*1000/(baseFrequency/1000);
#endif
	}
};


#endif
