/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2017 Richard Hughes * * 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, see . * */ #ifndef __GSD_NIGHT_LIGHT_COMMON_H #define __GSD_NIGHT_LIGHT_COMMON_H #include G_BEGIN_DECLS gboolean gsd_night_light_get_sunrise_sunset (GDateTime *dt, gdouble pos_lat, gdouble pos_long, gdouble *sunrise, gdouble *sunset); gdouble gsd_night_light_frac_day_from_dt (GDateTime *dt); gboolean gsd_night_light_frac_day_is_between (gdouble value, gdouble start, gdouble end); G_END_DECLS #endif /* __GSD_NIGHT_LIGHT_COMMON_H */