Function vips_sys::im_lab_morph

pub unsafe extern "C" fn im_lab_morph(
    in_: *mut VipsImage, 
    out: *mut VipsImage, 
    mask: *mut DOUBLEMASK, 
    L_offset: f64, 
    L_scale: f64, 
    a_scale: f64, 
    b_scale: f64
) -> c_int