adg/adg-translatable.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_TRANSLATABLE_H__
  22 #define __ADG_TRANSLATABLE_H__
  23
  24 #include <adg/adg-point.h>
  25
  26
  27 G_BEGIN_DECLS
  28
  29 #define ADG_TYPE_TRANSLATABLE            (adg_translatable_get_type())
  30 #define ADG_TRANSLATABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj), ADG_TYPE_TRANSLATABLE, AdgTranslatable))
  31 #define ADG_IS_TRANSLATABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj), ADG_TYPE_TRANSLATABLE))
  32 #define ADG_TRANSLATABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE((obj), ADG_TYPE_TRANSLATABLE, AdgTranslatableIface))
  33
  34 typedef struct _AdgTranslatable       AdgTranslatable; /* Dummy typedef */
  35 typedef struct _AdgTranslatableIface  AdgTranslatableIface;
  36
  37 struct _AdgTranslatableIface {
  38     GTypeInterface base_iface;
  39
  40     /* Virtual Table */
  41     void        (*get_origin)                   (AdgTranslatable *translatable,
  42                                                  AdgPoint        *dest);
  43     void        (*set_origin)                   (AdgTranslatable *translatable,
  44                                                  const AdgPoint  *origin);
  45 };
  46
  47
  48 GType           adg_translatable_get_type       (void) G_GNUC_CONST;
  49
  50 void            adg_translatable_get_origin     (AdgTranslatable *translatable,
  51                                                  AdgPoint        *dest);
  52 void            adg_translatable_set_origin     (AdgTranslatable *translatable,
  53                                                  const AdgPoint  *origin);
  54 void            adg_translatable_set_origin_explicit
  55                                                 (AdgTranslatable *translatable,
  56                                                  gdouble          model_x,
  57                                                  gdouble          model_y,
  58                                                  gdouble          paper_x,
  59                                                  gdouble          paper_y);
  60
  61 G_END_DECLS
  62
  63
  64 #endif /* __ADG_TRANSLATABLE_H__ */