adg/adg-arrow.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007,2008,2009,2010  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(__ADG_H__)
  22 #error "Only <adg/adg.h> can be included directly."
  23 #endif
  24
  25
  26 #ifndef __ADG_ARROW_H__
  27 #define __ADG_ARROW_H__
  28
  29 #include <adg/adg-marker.h>
  30
  31
  32 G_BEGIN_DECLS
  33
  34 #define ADG_TYPE_ARROW             (adg_arrow_get_type())
  35 #define ADG_ARROW(obj)             (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_ARROW, AdgArrow))
  36 #define ADG_ARROW_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST((klass), ADG_TYPE_ARROW, AdgArrowClass))
  37 #define ADG_IS_ARROW(obj)          (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_ARROW))
  38 #define ADG_IS_ARROW_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE((klass), ADG_TYPE_ARROW))
  39 #define ADG_ARROW_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS((obj), ADG_TYPE_ARROW, AdgArrowClass))
  40
  41 typedef struct _AdgArrow       AdgArrow;
  42 typedef struct _AdgArrowClass  AdgArrowClass;
  43
  44 struct _AdgArrow {
  45     /*< private >*/
  46     AdgMarker            parent;
  47     gpointer             data;
  48 };
  49
  50 struct _AdgArrowClass {
  51     /*< private >*/
  52     AdgMarkerClass       parent_class;
  53 };
  54
  55
  56 GType           adg_arrow_get_type              (void) G_GNUC_CONST;
  57
  58 void            adg_arrow_set_angle             (AdgArrow       *arrow,
  59                                                  gdouble         angle);
  60 gdouble         adg_arrow_get_angle             (AdgArrow       *arrow);
  61
  62 G_END_DECLS
  63
  64
  65 #endif /* __ADG_ARROW_H__ */