Function leptess::capi::pixMakeRangeMaskHV

pub unsafe extern "C" fn pixMakeRangeMaskHV(
    pixs: *mut Pix, 
    huecenter: i32, 
    huehw: i32, 
    valcenter: i32, 
    valhw: i32, 
    regionflag: i32
) -> *mut Pix