Function leptonica_sys::pixColorGrayMasked

pub unsafe extern "C" fn pixColorGrayMasked(
    pixs: *mut PIX,
    pixm: *mut PIX,
    type_: l_int32,
    thresh: l_int32,
    rval: l_int32,
    gval: l_int32,
    bval: l_int32
) -> *mut PIX