src/cpml/cpml-utils.h

   1 /* CPML - Cairo Path Manipulation Library
   2  * Copyright (C) 2008,2009,2010  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
  21 #if !defined(__CPML_H__)
  22 #error "Only <cpml/cpml.h> can be included directly."
  23 #endif
  24
  25
  26 #ifndef __CPML_UTILS_H__
  27 #define __CPML_UTILS_H__
  28
  29 /* Required include files */
  30 #include <stdlib.h>
  31 #include <cairo.h>
  32
  33 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4)
  34 #define CPML_GNUC_CONST    __attribute__((__const__))
  35 #else
  36 #define CPML_GNUC_CONST
  37 #endif
  38
  39 CAIRO_BEGIN_DECLS
  40
  41 double          cpml_angle              (double         angle);
  42
  43 CAIRO_END_DECLS
  44
  45
  46 #endif /* __CPML_UTILS_H__ */