Function flip_horizontal_in
fn flip_horizontal_in<I, Container>(image: &I, destination: &mut ImageBuffer<<I as >::Pixel, Container>) -> ImageResult<()>
where
I: GenericImageView,
<I as >::Pixel: 'static,
Container: DerefMut<Target = [<<I as >::Pixel as Pixel>::Subpixel]>
Flip an image horizontally and put the result into the destination ImageBuffer.