pub fn copy_plane<Conn>(
conn: &Conn,
src_drawable: Drawable,
dst_drawable: Drawable,
gc: Gcontext,
src_x: i16,
src_y: i16,
dst_x: i16,
dst_y: i16,
width: u16,
height: u16,
bit_plane: u32,
) -> Result<VoidCookie<'_, Conn>, ConnectionError>where
Conn: RequestConnection + ?Sized,