Enum rich_sdl2_rust::event::touch::gesture::GestureEvent

#[non_exhaustive]
pub enum GestureEvent {
    Multi {
        timestamp: u32,
        delta_theta: f32,
        delta_dist: f32,
        x: f32,
        y: f32,
        num_fingers: u16,
    },
    Dollar {
        timestamp: u32,
        touch: TouchDevice,
        gesture: Gesture,
        num_fingers: u32,
        error: f32,
        x: f32,
        y: f32,
    },
    DollarRecord {
        touch: TouchDevice,
        gesture: Gesture,
    },
}

An event on recognized a gesture

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

Multi

Fields

timestamp: u32

When this event occurred.

delta_theta: f32

The rotating amount of fingers on the gesture.

delta_dist: f32

The distance difference among fingers on the gesture.

x: f32

The normalized x coord of the center on the gesture.

y: f32

The normalized y coord of the center on the gesture.

num_fingers: u16

The numbers of fingers on the gesture.

The gesture was multi touches.

Dollar

Fields

timestamp: u32

When this event occurred.

touch: TouchDevice

The touch device the gesture detected.

gesture: Gesture

The id of the nearest gesture.

num_fingers: u32

The numbers of fingers on the gesture.

error: f32

The error from the template.

x: f32

The normalized x coord of the center on the gesture.

y: f32

The normalized y coord of the center on the gesture.

The gesture was recognized by $1.

DollarRecord

Fields

touch: TouchDevice

The touch device the gesture detected.

gesture: Gesture

The id of the nearest gesture.

The gesture was recorded for $1.

Trait Implementations

impl Clone for GestureEvent

fn clone(&self) -> GestureEvent

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GestureEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<SDL_DollarGestureEvent> for GestureEvent

fn from(raw: SDL_DollarGestureEvent) -> Self

Converts to this type from the input type.

impl From<SDL_MultiGestureEvent> for GestureEvent

fn from(raw: SDL_MultiGestureEvent) -> Self

Converts to this type from the input type.