| /* plot, unix plot file to graphics device translators. |
| Copyright (C) 1989 Free Software Foundation, Inc. |
| |
| plot is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY. No author or distributor accepts responsibility to |
| anyone for the consequences of using it or for whether it serves any |
| particular purpose or works at all, unless he says so in writing. |
| Refer to the GNU General Public License for full details. |
| |
| Everyone is granted permission to copy, modify and redistribute plot, |
| but only under the conditions described in the GNU General Public |
| License. A copy of this license is supposed to have been given to you |
| along with plot so you can know your rights and responsibilities. It |
| should be in a file named COPYING. Among other things, the copyright |
| notice and this notice must be preserved on all copies. */ |
| |
| |
| /* This file is the arc routine, which is an extension to the plot |
| library. It rotates subsequent labels to the given angle in degress |
| from the horizontal */ |
| |
| #include <math.h> |
| #include "libplot.h" |
| #include "extern.h" |
| |
| float text_rotation=0.0; |
| |
| int rotate (int w, int h, int angle) |
| { |
| text_rotation = angle * M_PI / 180.0; |
| return 0; |
| } |