Ichthyostega
6bdf0e2cdc
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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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TIME.hpp - unified representation of a time point, including conversion functions
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Copyright (C) CinelerraCV
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2007, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef CINELERRA_TIME_H
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#define CINELERRA_TIME_H
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#include <boost/operators.hpp>
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namespace cinelerra
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{
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/**
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* denotes a temporal position (time point), based on timeline start.
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*
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* @todo currently (9/07) this is a dummy implementation to find out
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* what interface the Proc layer needs. Cehteh has already written
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* elaborate timehandling functions in the backend and the goal
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* is for class Time to be just a thin wrapper!
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*/
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class Time : boost::totally_ordered<Time>
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{
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long dummy;
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public:
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Time(long dum=0) : dummy(dum) {}
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operator long () { return dummy; }
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bool operator< (const Time& ot) const { return dummy < ot.dummy; }
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bool operator== (const Time& ot) const { return dummy == ot.dummy; }
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static const Time MAX ;
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static const Time MIN ;
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};
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} // namespace cinelerra
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#endif
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