1 /****************************************************************************
2 * Familia Lignum - Genealogical program *
3 * Copyright (C) 2011-2012 Rafał Długołęcki <rafal@dlugolecki.net.pl> *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; version 2 of the License. *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
14 * You should have received a copy of the GNU General Public License along *
15 * with this program; if not, write to the Free Software Foundation, Inc., *
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
18 ****************************************************************************/
20 #ifndef _FAMILIA_MATH_YEARLINE_H
21 #define _FAMILIA_MATH_YEARLINE_H
26 * @file math/yearline.h
27 * @brief Code for calculating year->position conversion.
32 * Return normalized year, which is used as a point value on the Y axis.
34 * This function is used as a common place for converting date years to global
35 * Y coords. If there will be a change in displaying height position, it will be
36 * changed in this function.
38 * @param dv Date for which to convert to the Y position.
39 * @return GLOBAL coordinate for Y axis for the given date.
41 int convert_date_to_height(struct date_value *dv);
45 #endif /* _FAMILIA_MATH_YEARLINE_H */