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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef NAVIT_NAVIGATION_H
#define NAVIT_NAVIGATION_H
#define FEET_PER_METER 3.2808399
#define FEET_PER_MILE 5280
#define METERS_PER_MILE 1609
#ifdef __cplusplus
extern "C" {
#endif
/* prototypes */
enum attr_type;
enum item_type;
struct attr;
struct attr_iter;
struct callback;
struct map;
struct navigation;
struct route;
int navigation_get_attr(struct navigation *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter);
int navigation_set_attr(struct navigation *this_, struct attr *attr);
struct navigation *navigation_new(struct attr *parent, struct attr **attrs);
int navigation_set_announce(struct navigation *this_, enum item_type type, int *level);
void navigation_destroy(struct navigation *this_);
int navigation_register_callback(struct navigation *this_, enum attr_type type, struct callback *cb);
void navigation_unregister_callback(struct navigation *this_, enum attr_type type, struct callback *cb);
struct map *navigation_get_map(struct navigation *this_);
void navigation_set_route(struct navigation *this_, struct route *route);
void navigation_init(void);
/* end of prototypes */
#ifdef __cplusplus
}
#endif
#endif
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