Function imageproc::drawing::draw_filled_circle

pub fn draw_filled_circle<I>(
    image: &I, 
    center: (i32, i32), 
    radius: i32, 
    color: I::Pixel
) -> Image<I::Pixel> where
    I: GenericImage,
    I::Pixel: 'static, 

Draw as much of a circle and its contents as lies inside the image bounds.