cosmic::iced_winit::graphics::image::image_rs::imageops

Function grayscale_alpha

source 
pub fn grayscale_alpha<I>(
    image: &I,
) -> ImageBuffer<LumaA<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>, Vec<<<I as GenericImageView>::Pixel as Pixel>::Subpixel>>
where
    I: GenericImageView,
Expand description

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