Function image::imageops::colorops::grayscale_with_type_alpha

source · [−]

pub fn grayscale_with_type_alpha<NewPixel, I: GenericImageView>(
    image: &I
) -> ImageBuffer<NewPixel, Vec<NewPixel::Subpixel>> where
    NewPixel: Pixel + FromColor<LumaA<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>>,

Expand description

Convert the supplied image to a grayscale image with the specified pixel type. Alpha channel is preserved.