adg/adg-positionable.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_POSITIONABLE_H__
  22 #define __ADG_POSITIONABLE_H__
  23
  24 #include <adg/adg-point.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 #define ADG_TYPE_POSITIONABLE            (adg_positionable_get_type())
  30 #define ADG_POSITIONABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_POSITIONABLE, AdgPositionable))
  31 #define ADG_IS_POSITIONABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_POSITIONABLE))
  32 #define ADG_POSITIONABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE((obj), ADG_TYPE_POSITIONABLE, AdgPositionableIface))
  33
  34 typedef struct _AdgPositionable       AdgPositionable; /* Dummy typedef */
  35 typedef struct _AdgPositionableIface  AdgPositionableIface;
  36
  37 struct _AdgPositionableIface {
  38     GTypeInterface base_iface;
  39
  40     /* Virtual Table */
  41     AdgPoint *  (*org)                          (AdgPositionable *positionable);
  42 };
  43
  44
  45 GType           adg_positionable_get_type       (void) G_GNUC_CONST;
  46
  47 const AdgPoint *adg_positionable_get_org        (AdgPositionable *positionable);
  48 void            adg_positionable_set_org        (AdgPositionable *positionable,
  49                                                  const AdgPoint  *org);
  50 void            adg_positionable_set_org_explicit
  51                                                 (AdgPositionable *positionable,
  52                                                  gdouble          model_x,
  53                                                  gdouble          model_y,
  54                                                  gdouble          paper_x,
  55                                                  gdouble          paper_y);
  56
  57 G_END_DECLS
  58
  59
  60 #endif /* __ADG_POSITIONABLE_H__ */