src/cpml/cpml-arc.h

   1 /* CPML - Cairo Path Manipulation Library
   2  * Copyright (C) 2007-2021  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_ARC_H__
  27 #define __CPML_ARC_H__
  28
  29
  30 CAIRO_BEGIN_DECLS
  31
  32 int             cpml_arc_info           (const CpmlPrimitive    *arc,
  33                                          CpmlPair               *center,
  34                                          double                 *r,
  35                                          double                 *start,
  36                                          double                 *end);
  37 void            cpml_arc_to_cairo       (const CpmlPrimitive    *arc,
  38                                          cairo_t                *cr);
  39 void            cpml_arc_to_curves      (const CpmlPrimitive    *arc,
  40                                          CpmlSegment            *segment,
  41                                          size_t                  n_curves);
  42
  43 CAIRO_END_DECLS
  44
  45
  46 #endif /* __CPML_ARC_H__ */