2 * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program 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
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 #ifndef __GIS_OBJECT_H__
19 #define __GIS_OBJECT_H__
22 #include <glib-object.h>
26 #define GIS_TYPE_OBJECT (gis_object_get_type())
27 #define GIS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_OBJECT, GisObject))
28 #define GIS_IS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_OBJECT))
29 #define GIS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_OBJECT, GisObjectClass))
30 #define GIS_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_OBJECT))
31 #define GIS_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_OBJECT, GisObjectClass))
33 typedef struct _GisObject GisObject;
34 typedef struct _GisObjectClass GisObjectClass;
37 GObject parent_instance;
43 #include "gis-opengl.h"
44 struct _GisObjectClass {
45 GObjectClass parent_class;
47 /* Move some of these to GObject? */
48 void (*draw) (GisObject *object, GisOpenGL *opengl);
51 GType gis_object_get_type(void);
53 /* Implemented by sub-classes */
54 void gis_object_draw(GisObject *object, GisOpenGL *opengl);
58 * @object: The #GisObject to get the center of
60 * Get the #GisPoint representing the center of an object
62 * Returns: the center point
64 #define gis_object_center(object) \
65 (&GIS_OBJECT(object)->center)