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::Subpixel: 'static

Return a mutable view into an image