Ubuntu Platform API  3.0.0
A library helping with tight integration into the Ubuntu platform
velocity_update.h
Go to the documentation of this file.
1 /*
2  * Copyright © 2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License version 3 as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Thomas Voß <thomas.voss@canonical.com>
17  */
18 
19 #ifndef UBUNTU_APPLICATION_LOCATION_VELOCITY_UPDATE_H_
20 #define UBUNTU_APPLICATION_LOCATION_VELOCITY_UPDATE_H_
21 
22 #include <ubuntu/visibility.h>
23 
24 #include <stdbool.h>
25 #include <stdint.h>
26 
27 #ifdef __cplusplus
28 extern "C"
29 {
30 #endif
31 
36  typedef struct UbuntuApplicationLocationVelocityUpdate UALocationVelocityUpdate;
37 
45  UALocationVelocityUpdate *update);
46 
54  UALocationVelocityUpdate *update);
55 
62  UBUNTU_DLL_PUBLIC uint64_t
64  UALocationVelocityUpdate *update);
65 
72  UBUNTU_DLL_PUBLIC double
74  UALocationVelocityUpdate *update);
75 
76 #ifdef __cplusplus
77 }
78 #endif
79 
80 #endif // UBUNTU_APPLICATION_LOCATION_VELOCITY_UPDATE_H_
ua_location_velocity_update_get_timestamp
UBUNTU_DLL_PUBLIC uint64_t ua_location_velocity_update_get_timestamp(UALocationVelocityUpdate *update)
Queries the timestamp of the velocity update.
UALocationVelocityUpdate
struct UbuntuApplicationLocationVelocityUpdate UALocationVelocityUpdate
Opaque type encapsulating a velocity update.
Definition: velocity_update.h:36
visibility.h
UBUNTU_DLL_PUBLIC
#define UBUNTU_DLL_PUBLIC
Definition: visibility.h:26
ua_location_velocity_update_unref
UBUNTU_DLL_PUBLIC void ua_location_velocity_update_unref(UALocationVelocityUpdate *update)
Decrements the reference count of the velocity update instance.
ua_location_velocity_update_get_velocity_in_meters_per_second
UBUNTU_DLL_PUBLIC double ua_location_velocity_update_get_velocity_in_meters_per_second(UALocationVelocityUpdate *update)
Queries the velocity contained in the position update.
ua_location_velocity_update_ref
UBUNTU_DLL_PUBLIC void ua_location_velocity_update_ref(UALocationVelocityUpdate *update)
Increments the reference count of the velocity update instance.