pub fn index_colors<Pix, Map>(
image: &ImageBuffer<Pix, Vec<u8>>,
color_map: &Map
) -> ImageBuffer<Luma<u8>, Vec<u8>> where
Map: ColorMap<Color = Pix> + ?Sized,
Pix: Pixel<Subpixel = u8> + 'static, Expand description
Reduces the colors using the supplied color_map and returns an image of the indices