Function plot_interface::dependency::image::imageops::grayscale

pub fn grayscale<I>(
    image: &I
) -> ImageBuffer<Luma<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>, Vec<<<I as GenericImageView>::Pixel as Pixel>::Subpixel, Global>> where
    I: GenericImageView, 

Convert the supplied image to grayscale. Alpha channel is discarded.