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1 | /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ |
2 | /* | |
3 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
4 | * | |
5ff65f40 | 5 | * Copyright (C) 2013-2014, Rob Norris <rw_norris@hotmail.com> |
e1dde2a6 RN |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
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22 | #ifndef _MAP_UTILS_H |
23 | #define _MAP_UTILS_H | |
24 | ||
e1dde2a6 | 25 | #include <glib.h> |
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26 | #include "mapcoord.h" |
27 | #include "vikcoord.h" | |
e1dde2a6 | 28 | |
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29 | G_BEGIN_DECLS |
30 | ||
e1dde2a6 RN |
31 | /* 1 << (x) is like a 2**(x) */ |
32 | #define VIK_GZ(x) ((1<<(x))) | |
33 | // Not sure what GZ stands for probably Google Zoom | |
34 | ||
35 | gint map_utils_mpp_to_scale ( gdouble mpp ); | |
36 | ||
37 | guint8 map_utils_mpp_to_zoom_level ( gdouble mpp ); | |
38052b77 | 38 | |
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39 | gboolean map_utils_vikcoord_to_iTMS ( const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ); |
40 | ||
41 | void map_utils_iTMS_to_center_vikcoord ( const MapCoord *src, VikCoord *dest ); | |
42 | ||
5ff65f40 RN |
43 | void map_utils_iTMS_to_vikcoord ( const MapCoord *src, VikCoord *dest ); |
44 | ||
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45 | G_BEGIN_DECLS |
46 | ||
47 | #endif |