2 * Copyright (C) 2009 Andy Spencer <spenceal@rose-hulman.edu>
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 #define GIS_LEVEL_BACKGROUND -100
25 #define GIS_LEVEL_WORLD 0
26 #define GIS_LEVEL_OVERLAY 100
27 #define GIS_LEVEL_HUD 200
30 #define GIS_TYPE_VIEWER (gis_viewer_get_type())
31 #define GIS_VIEWER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_VIEWER, GisViewer))
32 #define GIS_IS_VIEWER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_VIEWER))
33 #define GIS_VIEWER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_VIEWER, GisViewerClass))
34 #define GIS_IS_VIEWER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_VIEWER))
35 #define GIS_VIEWER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_VIEWER, GisViewerClass))
37 typedef struct _GisViewer GisViewer;
38 typedef struct _GisViewerClass GisViewerClass;
40 typedef gdouble (*GisHeightFunc)(gdouble lat, gdouble lon, gpointer user_data);
43 #include "gis-plugin.h"
44 #include "gis-object.h"
47 GtkDrawingArea parent_instance;
49 /* instance members */
57 struct _GisViewerClass {
58 GtkDrawingAreaClass parent_class;
61 void (*center_position) (GisViewer *viewer,
62 gdouble lat, gdouble lon, gdouble elev);
64 void (*project) (GisViewer *viewer,
65 gdouble lat, gdouble lon, gdouble elev,
66 gdouble *px, gdouble *py, gdouble *pz);
68 void (*clear_height_func)(GisViewer *self);
69 void (*set_height_func) (GisViewer *self, GisTile *tile,
70 GisHeightFunc height_func, gpointer user_data,
73 void (*render_tile) (GisViewer *viewer, GisTile *tile);
74 void (*render_tiles) (GisViewer *viewer, GisTile *root);
76 void (*begin) (GisViewer *viewer);
77 void (*end) (GisViewer *viewer);
79 gpointer (*add) (GisViewer *viewer, GisObject *object,
80 gint level, gboolean sort);
81 void (*remove) (GisViewer *viewer, gpointer ref);
84 GType gis_viewer_get_type(void);
87 GisViewer *gis_viewer_new();
89 void gis_viewer_set_time(GisViewer *viewer, const gchar *time);
90 gchar *gis_viewer_get_time(GisViewer *viewer);
92 void gis_viewer_set_location(GisViewer *viewer, gdouble lat, gdouble lon, gdouble elev);
93 void gis_viewer_get_location(GisViewer *viewer, gdouble *lat, gdouble *lon, gdouble *elev);
94 void gis_viewer_pan (GisViewer *viewer, gdouble lat, gdouble lon, gdouble elev);
95 void gis_viewer_zoom (GisViewer *viewer, gdouble scale);
97 void gis_viewer_set_rotation(GisViewer *viewer, gdouble x, gdouble y, gdouble z);
98 void gis_viewer_get_rotation(GisViewer *viewer, gdouble *x, gdouble *y, gdouble *z);
99 void gis_viewer_rotate (GisViewer *viewer, gdouble x, gdouble y, gdouble z);
101 void gis_viewer_refresh(GisViewer *viewer);
103 void gis_viewer_set_offline(GisViewer *viewer, gboolean offline);
104 gboolean gis_viewer_get_offline(GisViewer *viewer);
106 /* To be implemented by subclasses */
107 void gis_viewer_center_position(GisViewer *viewer,
108 gdouble lat, gdouble lon, gdouble elev);
110 void gis_viewer_project(GisViewer *viewer,
111 gdouble lat, gdouble lon, gdouble elev,
112 gdouble *px, gdouble *py, gdouble *pz);
114 void gis_viewer_clear_height_func(GisViewer *self);
115 void gis_viewer_set_height_func(GisViewer *self, GisTile *tile,
116 GisHeightFunc height_func, gpointer user_data,
119 void gis_viewer_render_tile (GisViewer *viewer, GisTile *tile);
120 void gis_viewer_render_tiles(GisViewer *viewer, GisTile *root);
122 void gis_viewer_begin(GisViewer *viewer);
123 void gis_viewer_end (GisViewer *viewer);
125 gpointer gis_viewer_add(GisViewer *self, GisObject *object,
126 gint level, gboolean sort);
127 void gis_viewer_remove(GisViewer *self, gpointer ref);