[−][src]Function photon_rs::colour_spaces::lighten_hsv
pub fn lighten_hsv(img: &mut PhotonImage, level: f32)
Lighten an image by a specified amount in the HSV colour space.
Arguments
img
- A PhotonImage.level
- Float value from 0 to 1 representing the level to which to lighten the image by. Thelevel
must be from 0 to 1 in floating-point,f32
format. Lightening by 80% would be represented by alevel
of 0.8
Example
// For example to lighten an image by 10% in the HSV colour space: use photon::color_spaces::lighten_hsv; // Open the image. A PhotonImage is returned. let img: PhotonImage = open_image("images/flowers.PNG"); lighten_hsv(&mut img, 0.1);