Method gamma

src/image.rs:231–233

(&self)

    #[inline(always)]
    pub(crate) fn gamma(&self) -> Option<f64> {
        if self.px.gamma > 0. { Some(self.px.gamma) } else { None }
    }

    /// Builds two maps:
    ///    `importance_map` - approximation of areas with high-frequency noise, except straight edges. 1=flat, 0=noisy.