Struct PreparedAnimation 

pub struct PreparedAnimation { /* private fields */ }

A preprocessed animation that can be rendered repeatedly.

Expression resolution, support analysis, and image-asset preparation are performed once and then reused across multiple frames.

Implementations

impl PreparedAnimation

pub fn render_gif( &self, config: GifRenderConfig, ) -> Result<Vec<u8>, RasterlottieError>

Available on crate feature gif only.

Renders the prepared animation as a GIF.

Errors

Returns an error when the prepared animation cannot be encoded as a GIF.

impl PreparedAnimation

pub const fn animation(&self) -> &Animation

Returns the preprocessed animation model.

impl PreparedAnimation

pub fn render_frame( &self, frame: f32, config: RenderConfig, ) -> Result<RasterFrame, RasterlottieError>

Renders one frame while reusing the stored preprocessing results.

Errors

Returns an error when the frame cannot be rasterized with the prepared assets.

pub fn new_scratch_pixmap(&self) -> Result<Pixmap, RasterlottieError>

Allocates a scratch pixmap that matches the animation’s native canvas size.

Errors

Returns an error when the native canvas size is invalid.

pub fn new_scratch_pixmap_for_config( &self, config: RenderConfig, ) -> Result<Pixmap, RasterlottieError>

Allocates a scratch pixmap sized for config.

Errors

Returns an error when config produces an invalid output canvas size.

pub fn render_frame_into_pixmap( &self, frame: f32, config: RenderConfig, pixmap: &mut Pixmap, ) -> Result<(), RasterlottieError>

Renders a frame directly into an existing pixmap.

Errors

Returns an error when the pixmap size does not match config or the frame cannot be rasterized.

Trait Implementations

impl Debug for PreparedAnimation

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

Formats the value using the given formatter.