2 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
4 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #ifndef _VIKING_MAPSLAYER_H
23 #define _VIKING_MAPSLAYER_H
27 #include "vikviewport.h"
30 #define VIK_MAPS_LAYER_TYPE (vik_maps_layer_get_type ())
31 #define VIK_MAPS_LAYER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), VIK_MAPS_LAYER_TYPE, VikMapsLayer))
32 #define VIK_MAPS_LAYER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), VIK_MAPS_LAYER_TYPE, VikMapsLayerClass))
33 #define IS_VIK_MAPS_LAYER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), VIK_MAPS_LAYER_TYPE))
34 #define IS_VIK_MAPS_LAYER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), VIK_MAPS_LAYER_TYPE))
36 typedef struct _VikMapsLayerClass VikMapsLayerClass
;
37 struct _VikMapsLayerClass
39 VikLayerClass object_class
;
42 GType
vik_maps_layer_get_type ();
44 typedef struct _VikMapsLayer VikMapsLayer
;
51 gboolean (*coord_to_mapcoord
) ( const VikCoord
*src
, gdouble xzoom
, gdouble yzoom
, MapCoord
*dest
);
52 void (*mapcoord_to_center_coord
) ( MapCoord
*src
, VikCoord
*dest
);
53 int (*download
) ( MapCoord
*src
, const gchar
*dest_fn
);
54 /* TODO: constant size (yay!) */
55 } VikMapsLayer_MapType
;
57 void maps_layer_register_type ( const char *label
, guint id
, VikMapsLayer_MapType
*map_type
);
58 void maps_layer_download_section_without_redraw ( VikMapsLayer
*vml
, VikViewport
*vvp
, VikCoord
*ul
, VikCoord
*br
, gdouble zoom
);
59 gint
vik_maps_layer_get_map_type(VikMapsLayer
*vml
);
60 gchar
*vik_maps_layer_get_map_label(VikMapsLayer
*vml
);