Function vips_mask_gaussian_band

pub unsafe extern "C" fn vips_mask_gaussian_band(
    out: *mut *mut VipsImage,
    width: c_int,
    height: c_int,
    frequency_cutoff_x: f64,
    frequency_cutoff_y: f64,
    radius: f64,
    amplitude_cutoff: f64,
    ...
) -> c_int