Function ratatui_canvas_circle

#[no_mangle]
pub extern "C" fn ratatui_canvas_circle(
    handle: *mut c_void,
    x: f64,
    y: f64,
    radius: f64,
    r: u8,
    g: u8,
    b: u8,
)

Draws a colored circle centered at (x, y) with the given radius.

Coordinates are in data space (see ratatui_canvas_begin).