Color Difference : Color « 2D Graphics GUI « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JDK 6
25.JNDI LDAP
26.JPA
27.JSP
28.JSTL
29.Language Basics
30.Network Protocol
31.PDF RTF
32.Reflection
33.Regular Expressions
34.Scripting
35.Security
36.Servlets
37.Spring
38.Swing Components
39.Swing JFC
40.SWT JFace Eclipse
41.Threads
42.Tiny Application
43.Velocity
44.Web Services SOA
45.XML
Java » 2D Graphics GUI » ColorScreenshots 
Color Difference
        
 


import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import javax.swing.Timer;

/*
 * ColorDifference.java
 *
 * Created on May 3, 2007, 7:12 AM
 *
 * Copyright (c) 2007, 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 the TimingFramework project 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.
 */

/**
 
 @author Chet
 */
public class ColorDifference extends JComponent implements ActionListener {

  private Color largeRectColors[] Color.BLACK, new Color(333) };

  private Color smallRectColors[] Color.BLACK, Color.WHITE };

  private int colorIndex = 0;

  private static int FADE_X = 0;

  private static int BLANK_X = 0;

  /** Creates a new instance of ColorDifference */
  public ColorDifference() {
    Timer timer = new Timer(1000this);
    timer.start();
    setPreferredSize(new Dimension(300200));
  }

  /**
   * Displays our component with the animating colors of the areas on the left
   * and right, separated by an area of white in the middle
   */
  @Override
  protected void paintComponent(Graphics g) {
    int fadeX = 0;
    int blankX = getWidth() 3;
    int bigRectW = getWidth() 3;

    // Fill left-side rectangle with current animating color
    g.setColor(largeRectColors[colorIndex]);
    g.fillRect(00, bigRectW, getHeight());

    // Fill middle area with white
    g.setColor(Color.WHITE);
    g.fillRect(bigRectW, 0, bigRectW, getHeight());

    // Fill right-side rectangle with black, with a white square
    // in the middle
    int bigRectX = * bigRectW;
    int smallRectW = 4;
    int smallRectH = 4;
    int smallRectX = bigRectX + (bigRectW / 2(smallRectW / 2);
    int smallRectY = (getHeight() 2(smallRectH / 2);
    g.setColor(Color.BLACK);
    g.fillRect(* getWidth() 30, getWidth() 3, getHeight());
    g.setColor(smallRectColors[colorIndex]);
    g.fillRect(smallRectX, smallRectY, smallRectW, smallRectH);
  }

  /**
   * Handles Timer events by toggling the colorIndex used to fill the left-side
   * rectangle
   */
  public void actionPerformed(ActionEvent ae) {
    colorIndex++;
    colorIndex = colorIndex % 2;
    repaint();
  }

  private static void createAndShowGUI() {
    JFrame f = new JFrame("Color Difference");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(300200);
    ColorDifference component = new ColorDifference();
    f.add(component);
    f.pack();
    f.setVisible(true);
  }

  /**
   @param args
   *          the command line arguments
   */
  public static void main(String[] args) {
    Runnable doCreateAndShowGUI = new Runnable() {
      public void run() {
        createAndShowGUI();
      }
    };
    SwingUtilities.invokeLater(doCreateAndShowGUI);
  }
}

 

   
    
    
    
    
    
    
    
  
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.Rainbow ColorRainbow Color
4.XOR colorXOR color
5.Color Gradient
6.Common color utilities
7.Drawing with Color
8.Color fading animation
9.140 colors - defined for X Window System listed in O'Reilly html pocket reference 87pp
10.Color Util
11.Color Factory
12.An efficient color quantization algorithm
13.Utility for checking colors given either hexa or natural language string descriptions.
14.Derives a color by adding the specified offsets to the base color's hue, saturation, and brightness values
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.
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.