Converts CMYK to RGB - CSharp System.Drawing

CSharp examples for System.Drawing:Color Convert

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Description

Converts CMYK to RGB

Demo Code


using System.Drawing;
using System;/*from   w  w  w.ja v  a 2  s .  c  o m*/

public class Main{
        /// <summary>
      /// Converts CMYK to RGB
      /// </summary>
      /// <param name="_cmyk">A color to convert</param>
      /// <returns>A Color object</returns>
      public static Color CMYK_to_RGB(CMYK _cmyk)
      {
         int red, green, blue;

         red =   Round(255 - (255 * _cmyk.C));
         green =   Round(255 - (255 * _cmyk.M));
         blue =   Round(255 - (255 * _cmyk.Y));

         return Color.FromArgb(red, green, blue);
      }
        /// <summary>
      /// Custom rounding function.
      /// </summary>
      /// <param name="val">Value to round</param>
      /// <returns>Rounded value</returns>
      private static int Round(double val)
      {
         int ret_val = (int)val;
         
         int temp = (int)(val * 100);

         if ( (temp % 100) >= 50 )
            ret_val += 1;

         return ret_val;
      }
}

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