Derives a color by adding the specified offsets to the base color's hue, saturation, and brightness values : Color « 2D Graphics GUI « Java






Derives a color by adding the specified offsets to the base color's hue, saturation, and brightness values

       

/*
 * Copyright 2007-2008 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.awt.Color;
/**
*
* @author aim
*/
public class Utils {
  /**
   * Derives a color by adding the specified offsets to the base color's 
   * hue, saturation, and brightness values.   The resulting hue, saturation,
   * and brightness values will be contrained to be between 0 and 1.
   * @param base the color to which the HSV offsets will be added
   * @param dH the offset for hue
   * @param dS the offset for saturation
   * @param dB the offset for brightness
   * @return Color with modified HSV values
   */
  public static Color deriveColorHSB(Color base, float dH, float dS, float dB) {
      float hsb[] = Color.RGBtoHSB(
              base.getRed(), base.getGreen(), base.getBlue(), null);

      hsb[0] += dH;
      hsb[1] += dS;
      hsb[2] += dB;
      return Color.getHSBColor(
              hsb[0] < 0? 0 : (hsb[0] > 1? 1 : hsb[0]),
              hsb[1] < 0? 0 : (hsb[1] > 1? 1 : hsb[1]),
              hsb[2] < 0? 0 : (hsb[2] > 1? 1 : hsb[2]));
                                             
  }
}

   
    
    
    
    
    
    
  








Related examples in the same category

1.Color class is used to work with colors in Java 2D
2.Color Utilities: common color operations
3.Color Difference
4.Rainbow ColorRainbow Color
5.XOR colorXOR color
6.Color Gradient
7.Common color utilities
8.Drawing with Color
9.Color fading animation
10.140 colors - defined for X Window System listed in O'Reilly html pocket reference 87pp
11.Color Util
12.Color Factory
13.An efficient color quantization algorithm
14.Utility for checking colors given either hexa or natural language string descriptions.
15.Map colors into names and vice versa.
16.Converts a given string into a color.
17.If the color is equal to one of the defined constant colors, that name is returned instead.
18.Converts the String representation of a color to an actual Color object.
19.Returns blue-yellow-red color scale
20.Returns green-yellow-red-black color scale
21.Returns black-red-yellow-green color scale
22.Returns color based on 0-9 scale ranging from green to yellow
23.Returns color based on 0-9 scale ranging from yellow to red
24.Returns color based on 0-9 scale ranging from black to green
25.Returns n-dimensional array of colors for given nx3 integer array of RGB values
26.Web color enum
27.Utility class for managing resources such as colors, fonts, images, etc.
28.Make a color transparent
29.Return a Color object given a string representation of it
30.Return a string representation of a color
31.Serializes a color to its HTML markup (e.g. "#ff0000" for red)
32.Parses a java.awt.Color from an HTML color string in the form '#RRGGBB' where RR, GG, and BB are the red, green, and blue bytes in hexadecimal form
33.Performs a somewhat subjective analysis of a color to determine how dark it looks to a user
34.Lightens a color by a given amount
35.Darkens a color by a given amount
36.Blend two colors
37.Utility for working with natively-ordered integer-packed RGBA-format colours.
38.HSV to RGB
39.A widget to manipulate an RGBA colour.