accelerometer/
orientation.rs

1//! Orientation tracking for accelerometer-equipped devices.
2
3mod tracker;
4
5pub use self::tracker::Tracker;
6
7/// Device orientation as computed from accelerometer data
8#[derive(Copy, Clone, Debug, Eq, PartialEq)]
9pub enum Orientation {
10    /// Unable to determine the orientation from current data
11    Unknown,
12
13    /// Device is in portrait mode in whatever way is considered "up"
14    PortraitUp,
15
16    /// Device is in portrait mode in whatever way is considered "down"
17    PortraitDown,
18
19    /// Device is in landscape mode in whatever way is considered "up"
20    LandscapeUp,
21
22    /// Device is in landscape mode in whatever way is considered "down"
23    LandscapeDown,
24
25    /// Device is parallel to the ground, facing up
26    FaceUp,
27
28    /// Device is parallel to the ground, facing down
29    FaceDown,
30}
31
32impl Orientation {
33    /// Is this orientation considered to be flat?
34    pub fn is_flat(self) -> bool {
35        match self {
36            Orientation::FaceUp | Orientation::FaceDown => true,
37            _ => false,
38        }
39    }
40
41    /// Is the device in a landscape orientation?
42    pub fn is_landscape(self) -> bool {
43        match self {
44            Orientation::LandscapeUp | Orientation::LandscapeDown => true,
45            _ => false,
46        }
47    }
48
49    /// Is the device in a portrait orientation?
50    pub fn is_portrait(self) -> bool {
51        match self {
52            Orientation::PortraitUp | Orientation::PortraitDown => true,
53            _ => false,
54        }
55    }
56}
accelerometer/orientation.rs

accelerometer/
orientation.rs
