Struct Callback 

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

You can use this to do custom wgpu rendering in an egui app.

Implement CallbackTrait and call Callback::new_paint_callback.

This can be turned into a epaint::PaintCallback and epaint::Shape.

Implementations

impl Callback

pub fn new_paint_callback( rect: Rect, callback: impl CallbackTrait + 'static, ) -> PaintCallback

Creates a new epaint::PaintCallback from a callback trait instance.