Function contrast

pub fn contrast<I, P, S>(image: &I, contrast: f32) -> ImageBuffer<P, Vec<S>>
where I: GenericImageView<Pixel = P>, P: Pixel<Subpixel = S> + 'static, S: Primitive + 'static,
Available on crate feature dep_image only.
Expand description

Adjust the contrast of the supplied image. contrast is the amount to adjust the contrast by. Negative values decrease the contrast and positive values increase the contrast.

See also contrast_in_place.