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- /*
- * (c) Copyright 1993, 1994, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (c)(1)(ii) of the Rights in Technical Data and Computer Software
- * clause at DFARS 252.227-7013 and/or in similar or successor
- * clauses in the FAR or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States. Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
- */
- #ifndef TIMEDATE_H
- #define TIMEDATE_H
-
- #include "Point.h"
-
- #include <time.h>
-
- class TimeDate {
- public:
- TimeDate() {};
- TimeDate(int hour, int minute = 0, int second = 0, long usecond = 0);
- TimeDate(struct tm t2) {t = t2;};
-
- TimeDate operator=(TimeDate a);
- TimeDate operator+(TimeDate a);
- TimeDate operator+(struct tm t2);
- TimeDate operator+=(TimeDate a);
- TimeDate operator-(TimeDate a);
- TimeDate operator*(float f);
-
- /* This reads the current clock time and returns itself */
- TimeDate read_time();
-
- void print();
-
- Point sun_direction(float lon = -93, float lat = 45);
- private:
- /* Call this if the time can only have gotten bigger */
- TimeDate correct_bigger();
- /* Call this if the time could have gotten bigger or smaller */
- TimeDate correct_smaller();
-
- struct tm t;
- /* This won't be quite accurate down to microseconds, but should be
- * reasonably close */
- long usec;
- };
-
- #endif
-
-