Struct lottie2webp::Animation

pub struct Animation(_);

A lottie animation.

Implementations

impl Animation

pub fn from_file<P>(path: P) -> Option<Animation> where
    P: AsRef<Path>, 

Read a lottie animation from file. This file needs to be in JSON format; if you want to read telegram’s tgs files, you need to decompress them first.

pub fn from_data<P>(
    data: String,
    key: String,
    resource_path: P
) -> Option<Animation> where
    P: AsRef<Path>, 

Read a file from memory. External resources are resolved relative to resource_path.

pub fn size(&self) -> Size

Return the default viewport size of this animation.

pub fn duration(&self) -> f64

Return the total duration of this animation in seconds.

pub fn totalframe(&self) -> usize

Return the total number of frames in this animation.

pub fn framerate(&self) -> f64

Return the default framerate of this animation.

pub fn frame_at_pos(&self, pos: f32) -> usize

Maps position to frame number and returns it.

pub fn render(&mut self, frame_num: usize, surface: &mut Surface)

Render the contents of a frame onto the surface.

Trait Implementations

impl Debug for Animation

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

Formats the value using the given formatter.

impl Drop for Animation

fn drop(&mut self)

Executes the destructor for this type.