Java HSL Color Convert hsl2rgb(double h, double s, double l)

Description

hslrgb

License

Open Source License

Declaration

public static int[] hsl2rgb(double h, double s, double l) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    public static int[] hsl2rgb(double h, double s, double l) {
        //h *= 360.0;

        double r, g, b;

        if (s <= 0) {
            r = g = b = l;/*w ww .  j ava2 s.c o m*/
        } else {
            double q = l < 0.5 ? l * (1 + s) : l + s - l * s;
            double p = 2 * l - q;
            r = hue2rgb(p, q, h + 1 / 3.0);
            g = hue2rgb(p, q, h);
            b = hue2rgb(p, q, h - 1 / 3.0);
        }

        return new int[] { (int) Math.round(r * 255), (int) Math.round(g * 255), (int) Math.round(b * 255) };
    }

    protected static double hue2rgb(double p, double q, double t) {
        if (t < 0)
            t += 1;
        if (t > 1)
            t -= 1;
        if (t < 1 / 6.0)
            return p + (q - p) * 6 * t;
        if (t < 1 / 2.0)
            return q;
        if (t < 2 / 3.0)
            return p + (q - p) * (2 / 3.0 - t) * 6;
        return p;
    }
}

Related

1. findHue(Color color)
2. hsl2hex(int[] hsl)
3. hsl2rgb(float h, float s, float l)
4. hsl2rgb(int[] hsl)
5. hsla_hue(double h, double m1, double m2)
6. hslToHsb(float[] inputHsl)