cpml/cpml-macros.h

   1 /* CPML - Cairo Path Manipulation Library
   2  * Copyright (C) 2008, Nicola Fontana <ntd at entidi.it>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library 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 GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef __CPML_MACROS_H__
  21 #define __CPML_MACROS_H__
  22
  23 #include <math.h>
  24
  25
  26 #define CPML_DIR_RIGHT   ((double) 0)
  27 #define CPML_DIR_DOWN    M_PI_2
  28 #define CPML_DIR_LEFT    M_PI
  29 #define CPML_DIR_UP      (M_PI_2 * 3)
  30
  31
  32 #endif /* __CPML_MACROS_H__ */