LUMIERA.clone/src/common/lumitime.hpp

60 lines
1.8 KiB
C++

/*
LUMITIME.hpp - unified representation of a time point, including conversion functions
Copyright (C) Lumiera.org
2008, Hermann Vosseler <Ichthyostega@web.de>
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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef LUMIERA_LUMITIME_H
#define LUMIERA_LUMITIME_H
#include <boost/operators.hpp>
namespace lumiera
{
/**
* denotes a temporal position (time point), based on timeline start.
*
* @todo currently (9/07) this is a dummy implementation to find out
* what interface the Proc layer needs. Cehteh has already written
* elaborate timehandling functions in the backend and the goal
* is for class Time to be just a thin wrapper!
*/
class Time : boost::totally_ordered<Time>
{
long dummy;
public:
Time(long dum=0) : dummy(dum) {}
operator long () { return dummy; }
bool operator< (const Time& ot) const { return dummy < ot.dummy; }
bool operator== (const Time& ot) const { return dummy == ot.dummy; }
static const Time MAX ;
static const Time MIN ;
};
} // namespace lumiera
#endif