Function grayscale
pub fn grayscale<I>(
image: &I,
) -> ImageBuffer<Luma<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>, Vec<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>>where
I: GenericImageView,
Available on crate feature
dep_image
only.Expand description
Convert the supplied image to grayscale. Alpha channel is discarded.