Function raster::filter::brightness

pub fn brightness(src: &mut Image, factor: f32) -> RasterResult<()>

Apply brightness.

A brightness of < 0.0 will darken the image and brightness of > 1.0 will lighten it.

Examples

use raster::filter;

let mut image = raster::open("tests/in/sample.jpg").unwrap();
filter::brightness(&mut image, 1.5).unwrap();
raster::save(&image, "tests/out/test_filter_brightness.jpg").unwrap();

Before

After