[−][src]Function purrmitive::imageops::brighten
pub fn brighten<I, P, S>(
image: &I,
value: i32
) -> ImageBuffer<P, Vec<S, Global>> where
P: Pixel<Subpixel = S> + 'static,
S: Primitive + 'static,
I: GenericImageView<Pixel = P>,
Brighten the supplied image.
value
is the amount to brighten each pixel by.
Negative values decrease the brightness and positive values increase it.