Java HSV Color to HSB hsvToRgb(int hue, int saturation, int value)

Description

Converts the hue, saturation and value color model to the red, green and blue color model

License

Apache License

Parameter

Parameter	Description
hue	- A positive integer, which, modulo 360, will represent the hue of the color
saturation	- An integer between 0 and 100
value	- An integer between 0 and 100

Declaration

public static int hsvToRgb(int hue, int saturation, int value) 

Method Source Code

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

public class Main {
    /**//from w  ww  .j  a v a2s.co m
     * Converts the hue, saturation and value color model to the red, green and
     * blue color model
     * 
     * @param hue
     *            - A positive integer, which, modulo 360, will represent the
     *            hue of the color
     * @param saturation
     *            - An integer between 0 and 100
     * @param value
     *            - An integer between 0 and 100
     * @return
     */
    public static int hsvToRgb(int hue, int saturation, int value) {
        // Source: en.wikipedia.org/wiki/HSL_and_HSV#Converting_to_RGB#From_HSV
        hue %= 360;
        float s = (float) saturation / 100;
        float v = (float) value / 100;
        float c = v * s;
        float h = (float) hue / 60;
        float x = c * (1 - Math.abs(h % 2 - 1));
        float r, g, b;
        switch (hue / 60) {
        case 0:
            r = c;
            g = x;
            b = 0;
            break;
        case 1:
            r = x;
            g = c;
            b = 0;
            break;
        case 2:
            r = 0;
            g = c;
            b = x;
            break;
        case 3:
            r = 0;
            g = x;
            b = c;
            break;
        case 4:
            r = x;
            g = 0;
            b = c;
            break;
        case 5:
            r = c;
            g = 0;
            b = x;
            break;
        default:
            return 0;
        }
        float m = v - c;
        return ((int) ((r + m) * 255) << 16) | ((int) ((g + m) * 255) << 8) | ((int) ((b + m) * 255));
    }
}

Related

1. hsvToRGB(float hue, float saturation, float value)
2. hsvToRgb(float hue, float saturation, float value)
3. hsvToRGB(float p_181758_0_, float p_181758_1_, float p_181758_2_)
4. HSVToRGB(float... hsv)
5. HSVtoRGB(float[] hsv, float[] rgb)