Darkens a color by a given amount : Color « 2D Graphics GUI « Java






Darkens a color by a given amount

   
/*
 * ColorUtils.java Created Nov 17, 2010 by Andrew Butler, PSL
 */
//package prisms.util;

import java.awt.Color;

/** A set of tools for analyzing and manipulating colors */
public class ColorUtils
{

  /**
   * Darkens a color by a given amount
   * 
   * @param color The color to darken
   * @param amount The amount to darken the color. 0 will leave the color unchanged; 1 will make
   *        the color completely black
   * @return The stained color
   */
  public static Color stain(Color color, float amount)
  {
    int red = (int) ((color.getRed() * (1 - amount) / 255) * 255);
    int green = (int) ((color.getGreen() * (1 - amount) / 255) * 255);
    int blue = (int) ((color.getBlue() * (1 - amount) / 255) * 255);
    return new Color(red, green, blue);
  }
}

   
    
    
  








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