Get the closest ConsoleColor to the RGB values - CSharp System.Drawing

CSharp examples for System.Drawing:Color RGB

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Description

Get the closest ConsoleColor to the RGB values

Demo Code


using System.Threading.Tasks;
using System.Text;
using System.Linq;
using System.Collections.Generic;
using System;/* w  w w.  j  ava 2 s .  c  o m*/

public class Main{
        /// <summary>
        /// Get the closest ConsoleColor to the RGB values
        /// </summary>
        /// <param name="r"></param>
        /// <param name="g"></param>
        /// <param name="b"></param>
        /// <returns></returns>
        public static ConsoleColor ClosestConsoleColor(byte r, byte g, byte b)
        {
            ConsoleColor ret = 0;
            double rr = r, gg = g, bb = b, delta = double.MaxValue;

            foreach (ConsoleColor cc in Enum.GetValues(typeof(ConsoleColor)))
            {
                var n = Enum.GetName(typeof(ConsoleColor), cc);
                var c = System.Drawing.Color.FromName(n == "DarkYellow" ? "Orange" : n); // bug fix
                var t = Math.Pow(c.R - rr, 2.0) + Math.Pow(c.G - gg, 2.0) + Math.Pow(c.B - bb, 2.0);
                if (t == 0.0)
                    return cc;
                if (t < delta)
                {
                    delta = t;
                    ret = cc;
                }
            }
            return ret;
        }
}

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