cpml/cpml-path.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_PATH_H__
  21 #define __CPML_PATH_H__
  22
  23 #include <cpml/cpml-pair.h>
  24
  25 #define CPML_LAST       0
  26 #define CPML_FIRST      1
  27
  28
  29 CAIRO_BEGIN_DECLS
  30
  31
  32 typedef struct _CpmlPath CpmlPath;
  33
  34 struct _CpmlPath {
  35         cairo_path_t     cairo_path;
  36         CpmlPair         org;
  37 };
  38
  39
  40 cairo_bool_t    cpml_path_from_cairo            (CpmlPath *path,
  41                                                  const cairo_path_t *src,
  42                                                  cairo_t *cr);
  43 cairo_bool_t    cpml_path_from_cairo_explicit   (CpmlPath *path,
  44                                                  const cairo_path_t *src,
  45                                                  const CpmlPair *org);
  46 CpmlPath *      cpml_path_copy                  (CpmlPath *path,
  47                                                  const CpmlPath *src);
  48 cairo_bool_t    cpml_segment_from_path          (CpmlPath *segment,
  49                                                  const CpmlPath *path,
  50                                                  int index);
  51 cairo_bool_t    cpml_primitive_from_path        (CpmlPath *primitive,
  52                                                  const CpmlPath *path,
  53                                                  int index);
  54 cairo_bool_t    cpml_primitive_get_pair         (const CpmlPath *primitive,
  55                                                  CpmlPair *pair, int index);
  56 cairo_bool_t    cpml_primitive_set_pair         (CpmlPath *primitive,
  57                                                  const CpmlPair *pair,
  58                                                  int index);
  59 cairo_bool_t    cpml_primitive_get_point        (const CpmlPath *primitive,
  60                                                  CpmlPair *point, double pos);
  61 cairo_bool_t    cpml_primitive_reverse          (CpmlPath *primitive);
  62
  63
  64 CAIRO_END_DECLS
  65
  66
  67 #endif /* __CPML_PATH_H__ */