generate Rainbow Color - Java 2D Graphics

Java examples for 2D Graphics:Color Blend

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Description

generate Rainbow Color

Demo Code


//package com.java2s;
import java.awt.*;

public class Main {
    public static Color generateRainbow(int number, int total) {
        int gr = Math.abs(128 - number * 255 / total);
        int re = 255 - number * 255 / total;
        int bl = number * 255 / total;
        try {//from  w  w w  .ja  v  a  2 s.c o  m
            return new Color(re, gr, bl);
        } catch (IllegalArgumentException e) {
            return Color.BLACK;
        }
    }
}

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