Function image::imageops::colorops::dither

pub fn dither<Pix, Map>(image: &mut ImageBuffer<Pix, Vec<u8>>, color_map: &Map) where Map: ColorMap<Color=Pix>, Pix: Pixel<Subpixel=u8> + 'static

Reduces the colors of the image using the supplied color_map while applying Floyd-Steinberg dithering to improve the visual conception