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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_COORD_H
#define NAVIT_COORD_H
#include <stdio.h>
#include "projection.h"
/*! A integer mercator coordinate */
struct coord {
int x; /*!< X-Value */
int y; /*!< Y-Value */
};
/*! A integer mercator coordinate carrying its projection */
struct pcoord {
enum projection pro;
int x; /*!< X-Value */
int y; /*!< Y-Value */
};
struct coord_rect {
struct coord lu;
struct coord rl;
};
//! A double mercator coordinate
struct coord_d {
double x; /*!< X-Value */
double y; /*!< Y-Value */
};
//! A WGS84 coordinate
struct coord_geo {
double lng; /*!< Longitude */
double lat; /*!< Latitude */
};
//! A cartesian coordinate
struct coord_geo_cart {
double x; /*!< X-Value */
double y; /*!< Y-Value */
double z; /*!< Z-Value */
};
enum projection;
struct coord * coord_get(unsigned char **p);
struct coord * coord_new(int x, int y);
void coord_destroy(struct coord *c);
int coord_parse(const char *c_str, enum projection pro, struct coord *c_ret);
void coord_print(enum projection pro, struct coord *c, FILE *out);
struct coord_rect * coord_rect_new(struct coord *lu, struct coord *rl);
void coord_rect_destroy(struct coord_rect *r);
int coord_rect_overlap(struct coord_rect *r1, struct coord_rect *r2);
int coord_rect_contains(struct coord_rect *r, struct coord *c);
void coord_rect_extend(struct coord_rect *r, struct coord *c);
#endif
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