Struct LottieAnimation 

pub struct LottieAnimation(/* private fields */);

A Lottie animation. Cloning is cheap, and it can be drawn at any moment.

use ravenrs_lottie::Animation;

let json = br#"{"v":"5.5.7","fr":30,"ip":0,"op":30,"w":100,"h":100,"layers":[]}"#;
let animation = Animation::from_json(json).expect("a Lottie");
assert_eq!(animation.duration(), 1.0);
assert!(animation.paths_at(0.5, 1.0).is_empty());

Implementations

impl Animation

pub fn from_json(bytes: &[u8]) -> Result<Animation, LottieError>

Reads the JSON of a Lottie file.

pub fn width(&self) -> f32

The width of its composition.

pub fn height(&self) -> f32

The height of its composition.

pub fn duration(&self) -> f64

How long it runs, in seconds.

pub fn frame_rate(&self) -> f32

Its frames per second, which only says how it was authored: it can be drawn at any moment in between.

pub fn unsupported(&self) -> Vec<String>

What the file asks for that is not drawn as asked, in words a person reads. Empty when nothing is missing.

pub fn paths_at(&self, seconds: f64, scale: f32) -> Vec<PathFill>

The shapes to draw at this moment, in painter’s order and in the coordinates of the composition. scale is how many device pixels a unit will take: curves that become straight pieces, as in a stroke, are cut finely enough for it.

Trait Implementations

impl Clone for Animation

fn clone(&self) -> Animation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Animation

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

Formats the value using the given formatter.