shumate/shumate-location.h
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|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (C) 2011-2013 Jiri Techet <techet@gmail.com> | ||
| 3 | * Copyright (C) 2019 Marcus Lundblad <ml@update.uu.se> | ||
| 4 | * | ||
| 5 | * This library is free software; you can redistribute it and/or | ||
| 6 | * modify it under the terms of the GNU Lesser General Public | ||
| 7 | * License as published by the Free Software Foundation; either | ||
| 8 | * version 2.1 of the License, or (at your option) any later version. | ||
| 9 | * | ||
| 10 | * This library is distributed in the hope that it will be useful, | ||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 13 | * Lesser General Public License for more details. | ||
| 14 | * | ||
| 15 | * You should have received a copy of the GNU Lesser General Public | ||
| 16 | * License along with this library; if not, write to the Free Software | ||
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 18 | */ | ||
| 19 | |||
| 20 | #if !defined (__SHUMATE_SHUMATE_H_INSIDE__) && !defined (SHUMATE_COMPILATION) | ||
| 21 | #error "Only <shumate/shumate.h> can be included directly." | ||
| 22 | #endif | ||
| 23 | |||
| 24 | #ifndef __SHUMATE_LOCATION_H__ | ||
| 25 | #define __SHUMATE_LOCATION_H__ | ||
| 26 | |||
| 27 | #include <glib-object.h> | ||
| 28 | #include <shumate/shumate-version.h> | ||
| 29 | |||
| 30 | G_BEGIN_DECLS | ||
| 31 | |||
| 32 | /** | ||
| 33 | * SHUMATE_MIN_LATITUDE: (value -85.0511287798) | ||
| 34 | * | ||
| 35 | * The minimal possible latitude value. | ||
| 36 | */ | ||
| 37 | #define SHUMATE_MIN_LATITUDE (-85.0511287798) | ||
| 38 | |||
| 39 | /** | ||
| 40 | * SHUMATE_MAX_LATITUDE: (value 85.0511287798) | ||
| 41 | * | ||
| 42 | * The maximal possible latitude value. | ||
| 43 | */ | ||
| 44 | #define SHUMATE_MAX_LATITUDE (85.0511287798) | ||
| 45 | |||
| 46 | /** | ||
| 47 | * SHUMATE_MIN_LONGITUDE: (value -180.0) | ||
| 48 | * | ||
| 49 | * The minimal possible longitude value. | ||
| 50 | */ | ||
| 51 | #define SHUMATE_MIN_LONGITUDE (-180.0) | ||
| 52 | |||
| 53 | /** | ||
| 54 | * SHUMATE_MAX_LONGITUDE: (value 180.0) | ||
| 55 | * | ||
| 56 | * The maximal possible longitude value. | ||
| 57 | */ | ||
| 58 | #define SHUMATE_MAX_LONGITUDE (180.0) | ||
| 59 | |||
| 60 | #define SHUMATE_TYPE_LOCATION (shumate_location_get_type ()) | ||
| 61 |
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42 | G_DECLARE_INTERFACE (ShumateLocation, shumate_location, SHUMATE, LOCATION, GObject) |
| 62 | |||
| 63 | /** | ||
| 64 | * ShumateLocationInterface: | ||
| 65 | * @get_latitude: virtual function for obtaining latitude. | ||
| 66 | * @get_longitude: virtual function for obtaining longitude. | ||
| 67 | * @set_location: virtual function for setting position. | ||
| 68 | * | ||
| 69 | * An interface common to objects having latitude and longitude. | ||
| 70 | */ | ||
| 71 | struct _ShumateLocationInterface | ||
| 72 | { | ||
| 73 | /*< private >*/ | ||
| 74 | GTypeInterface g_iface; | ||
| 75 | |||
| 76 | /*< public >*/ | ||
| 77 | double (*get_latitude)(ShumateLocation *location); | ||
| 78 | double (*get_longitude)(ShumateLocation *location); | ||
| 79 | void (*set_location)(ShumateLocation *location, | ||
| 80 | double latitude, | ||
| 81 | double longitude); | ||
| 82 | }; | ||
| 83 | |||
| 84 | void shumate_location_set_location (ShumateLocation *location, | ||
| 85 | double latitude, | ||
| 86 | double longitude); | ||
| 87 | double shumate_location_get_latitude (ShumateLocation *location); | ||
| 88 | double shumate_location_get_longitude (ShumateLocation *location); | ||
| 89 | SHUMATE_AVAILABLE_IN_1_2 | ||
| 90 | double shumate_location_distance (ShumateLocation *self, ShumateLocation *other); | ||
| 91 | |||
| 92 | G_END_DECLS | ||
| 93 | |||
| 94 | #endif /* __SHUMATE_LOCATION_H__ */ | ||
| 95 |