Takes a colour in HSV colour space and returns it in RGB space as an XNA Color object. - CSharp System.Drawing

CSharp examples for System.Drawing:Color RGB

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Description

Takes a colour in HSV colour space and returns it in RGB space as an XNA Color object.

Demo Code


using Microsoft.Xna.Framework;
using System;//from   w  ww .  ja  va2s .com

public class Main{
        /// <summary>
        /// Takes a colour in HSV colour space and returns it in RGB space as an XNA Color object.
        /// </summary>
        /// <param name="H">'Hue' between 0 and 360.</param>
        /// <param name="S">'Saturation' between 0 and 1</param>
        /// <param name="V">'Value' between 0 and 1</param>
        /// <returns></returns>
        public static Color getRGB(int H, double S, double V) {
            double dC = (V*S);
            double Hd = ((double)H)/60;
            double dX = (dC * (1 - Math.Abs((Hd % 2) - 1)));//dC * (1 - ((Hd + 1) % 2));

            int C = (int)(dC * 255);
            int X = (int)(dX * 255);

            //Console.WriteLine("H:" + H + " S:" + S + " V:" + V + ", C: " + C + " X:" + X + " Hd:" + Hd);
            
            if(Hd<1) {
                return new Color(C, X, 0);
            } else if (Hd<2) {
                return new Color(X, C, 0);
            } else if (Hd<3) {
                return new Color(0, C, X);
            } else if (Hd<4) {
                return new Color(0, X, C);
            } else if (Hd<5) {
                return new Color(X, 0, C);
            } else if (Hd<6) {
                return new Color(C, 0, X);
            }
            return new Color(0, 0, 0);
        }
}

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