adg/adg-rotable.h

   1 /* ADG - Automatic Drawing Generation
   2  * Copyright (C) 2007-2008, 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
  21 #ifndef __ADG_ROTABLE_H__
  22 #define __ADG_ROTABLE_H__
  23
  24 #include <adg/adg-point.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 #define ADG_TYPE_ROTABLE            (adg_rotable_get_type())
  30 #define ADG_ROTABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_ROTABLE, AdgRotable))
  31 #define ADG_IS_ROTABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_ROTABLE))
  32 #define ADG_ROTABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE((obj), ADG_TYPE_ROTABLE, AdgRotableIface))
  33
  34 typedef struct _AdgRotable       AdgRotable; /* Dummy typedef */
  35 typedef struct _AdgRotableIface  AdgRotableIface;
  36
  37 struct _AdgRotableIface {
  38     GTypeInterface base_iface;
  39
  40     /* Virtual Table */
  41     gdouble     (*get_angle)                    (AdgRotable     *rotable);
  42     void        (*set_angle)                    (AdgRotable     *rotable,
  43                                                  gdouble         angle);
  44 };
  45
  46
  47 GType           adg_rotable_get_type            (void) G_GNUC_CONST;
  48
  49 gdouble         adg_rotable_get_angle           (AdgRotable     *rotable);
  50 void            adg_rotable_set_angle           (AdgRotable     *rotable,
  51                                                  gdouble         angle);
  52
  53 G_END_DECLS
  54
  55
  56 #endif /* __ADG_ROTABLE_H__ */