Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.Color;

public class Main {
    public static int HSLtoRGB(float[] hsl) {
        final float h = hsl[0];
        final float s = hsl[1];
        final float l = hsl[2];

        final float c = (1f - Math.abs(2 * l - 1f)) * s;
        final float m = l - 0.5f * c;
        final float x = c * (1f - Math.abs((h / 60f % 2f) - 1f));

        final int hueSegment = (int) h / 60;

        int r = 0, g = 0, b = 0;

        switch (hueSegment) {
        case 0:
            r = Math.round(255 * (c + m));
            g = Math.round(255 * (x + m));
            b = Math.round(255 * m);
            break;
        case 1:
            r = Math.round(255 * (x + m));
            g = Math.round(255 * (c + m));
            b = Math.round(255 * m);
            break;
        case 2:
            r = Math.round(255 * m);
            g = Math.round(255 * (c + m));
            b = Math.round(255 * (x + m));
            break;
        case 3:
            r = Math.round(255 * m);
            g = Math.round(255 * (x + m));
            b = Math.round(255 * (c + m));
            break;
        case 4:
            r = Math.round(255 * (x + m));
            g = Math.round(255 * m);
            b = Math.round(255 * (c + m));
            break;
        case 5:
        case 6:
            r = Math.round(255 * (c + m));
            g = Math.round(255 * m);
            b = Math.round(255 * (x + m));
            break;
        }

        r = Math.max(0, Math.min(255, r));
        g = Math.max(0, Math.min(255, g));
        b = Math.max(0, Math.min(255, b));

        return Color.rgb(r, g, b);
    }
}