adg/adg-path-private.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009 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 #ifndef __ADG_PATH_PRIVATE_H__
  22 #define __ADG_PATH_PRIVATE_H__
  23
  24 #include <adg/adg-pair.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 typedef struct _AdgPathPrivate AdgPathPrivate;
  30
  31 typedef enum {
  32     ADG_OPERATOR_NONE,
  33     ADG_OPERATOR_CHAMFER,
  34     ADG_OPERATOR_FILLET
  35 } AdgOperator;
  36
  37 typedef struct {
  38     AdgOperator operator;
  39
  40     union {
  41         struct {
  42             gdouble delta1, delta2;
  43         } chamfer;
  44         struct {
  45             gdouble radius;
  46         } fillet;
  47     } data;
  48
  49 } AdgOperation;
  50
  51 struct _AdgPathPrivate {
  52     gboolean             cp_is_valid;
  53     AdgPair              cp;
  54     GArray              *path;
  55     cairo_path_t         cpml_path;
  56     cairo_path_t         cairo_path;
  57     CpmlPrimitive        last;
  58     AdgOperation         operation;
  59 };
  60
  61 G_END_DECLS
  62
  63
  64 #endif /* __ADG_PATH_PRIVATE_H__ */