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_VIEWER_H__
19 #define __GIS_VIEWER_H__
22 #include <glib-object.h>
24 /* Rendering levels */
25 #define GIS_LEVEL_BACKGROUND -100
26 #define GIS_LEVEL_WORLD 0
27 #define GIS_LEVEL_OVERLAY 100
28 #define GIS_LEVEL_HUD 200
31 #define GIS_TYPE_VIEWER (gis_viewer_get_type())
32 #define GIS_VIEWER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_VIEWER, GisViewer))
33 #define GIS_IS_VIEWER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_VIEWER))
34 #define GIS_VIEWER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_VIEWER, GisViewerClass))
35 #define GIS_IS_VIEWER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_VIEWER))
36 #define GIS_VIEWER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_VIEWER, GisViewerClass))
38 typedef struct _GisViewer GisViewer;
39 typedef struct _GisViewerClass GisViewerClass;
41 typedef gdouble (*GisHeightFunc)(gdouble lat, gdouble lon, gpointer user_data);
43 #include "gis-plugin.h"
44 #include "gis-prefs.h"
45 #include "objects/gis-object.h"
46 #include "objects/gis-tile.h"
49 GtkDrawingArea parent_instance;
51 /* instance members */
61 gdouble drag_x, drag_y;
64 struct _GisViewerClass {
65 GtkDrawingAreaClass parent_class;
68 void (*center_position) (GisViewer *viewer,
69 gdouble lat, gdouble lon, gdouble elev);
71 void (*project) (GisViewer *viewer,
72 gdouble lat, gdouble lon, gdouble elev,
73 gdouble *px, gdouble *py, gdouble *pz);
75 void (*clear_height_func)(GisViewer *viewer);
76 void (*set_height_func) (GisViewer *viewer, GisTile *tile,
77 GisHeightFunc height_func, gpointer user_data,
80 gpointer (*add) (GisViewer *viewer, GisObject *object,
81 gint level, gboolean sort);
82 GisObject *(*remove) (GisViewer *viewer, gpointer ref);
85 GType gis_viewer_get_type(void);
88 void gis_viewer_setup(GisViewer *viewer, GisPlugins *plugins, GisPrefs *prefs);
90 void gis_viewer_set_time(GisViewer *viewer, const gchar *time);
91 gchar *gis_viewer_get_time(GisViewer *viewer);
93 void gis_viewer_set_location(GisViewer *viewer, gdouble lat, gdouble lon, gdouble elev);
94 void gis_viewer_get_location(GisViewer *viewer, gdouble *lat, gdouble *lon, gdouble *elev);
95 void gis_viewer_pan(GisViewer *viewer, gdouble forward, gdouble sideways, gdouble up);
96 void gis_viewer_zoom(GisViewer *viewer, gdouble scale);
98 void gis_viewer_set_rotation(GisViewer *viewer, gdouble x, gdouble y, gdouble z);
99 void gis_viewer_get_rotation(GisViewer *viewer, gdouble *x, gdouble *y, gdouble *z);
100 void gis_viewer_rotate (GisViewer *viewer, gdouble x, gdouble y, gdouble z);
102 void gis_viewer_refresh(GisViewer *viewer);
104 void gis_viewer_set_offline(GisViewer *viewer, gboolean offline);
105 gboolean gis_viewer_get_offline(GisViewer *viewer);
107 /* To be implemented by subclasses */
108 void gis_viewer_center_position(GisViewer *viewer,
109 gdouble lat, gdouble lon, gdouble elev);
111 void gis_viewer_project(GisViewer *viewer,
112 gdouble lat, gdouble lon, gdouble elev,
113 gdouble *px, gdouble *py, gdouble *pz);
115 void gis_viewer_clear_height_func(GisViewer *viewer);
116 void gis_viewer_set_height_func(GisViewer *viewer, GisTile *tile,
117 GisHeightFunc height_func, gpointer user_data,
120 gpointer gis_viewer_add(GisViewer *viewer, GisObject *object,
121 gint level, gboolean sort);
122 GisObject *gis_viewer_remove(GisViewer *viewer, gpointer ref);