Function image::imageops::crop

pub fn crop<I: GenericImage + 'static>(
    image: &mut I, 
    x: u32, 
    y: u32, 
    width: u32, 
    height: u32
) -> SubImage<I> where
    I::Pixel: 'static,
    <I::Pixel as Pixel>::Subpixel: 'static, 

Return a mutable view into an image