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osm-gps-map integration
| 1 | /* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4 -*- */ |
| 2 | /* vim:set et sw=4 ts=4 cino=t0,(0: */ |
| 3 | /* |
| 4 | * converter.h |
| 5 | * Copyright (C) Marcus Bauer 2008 <marcus.bauer@gmail.com> |
| 6 | * Copyright (C) John Stowers 2009 <john.stowers@gmail.com> |
| 7 | * |
| 8 | * Contributions by |
| 9 | * Everaldo Canuto 2009 <everaldo.canuto@gmail.com> |
| 10 | * |
| 11 | * osm-gps-map.c is free software: you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License as published by the |
| 13 | * Free Software Foundation, either version 3 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * osm-gps-map.c is distributed in the hope that it will be useful, but |
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| 19 | * See the GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License along |
| 22 | * with this program. If not, see <http://www.gnu.org/licenses/>. |
| 23 | */ |
| 24 | |
| 25 | float |
| 26 | deg2rad(float deg); |
| 27 | |
| 28 | float |
| 29 | rad2deg(float rad); |
| 30 | |
| 31 | int |
| 32 | lat2pixel( int zoom, |
| 33 | float lat); |
| 34 | |
| 35 | int |
| 36 | lon2pixel( int zoom, |
| 37 | float lon); |
| 38 | |
| 39 | float |
| 40 | pixel2lon( float zoom, |
| 41 | int pixel_x); |
| 42 | |
| 43 | float |
| 44 | pixel2lat( float zoom, |
| 45 | int pixel_y); |