GWT color class : Utility « GWT « 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 Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Java » GWT » UtilityScreenshots 
GWT color class
 

/*
 * Copyright 2006 Robert Hanson <iamroberthanson AT gmail.com>
 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 
 *    http://www.apache.org/licenses/LICENSE-2.0
 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gwtwidgets.client.style;

/**
 * This class is under consideration for removal,
 * if you have an opion please comment on http://gwtwidgets.blogspot.com.
 */
public class Color
{
    public final static Color WHITE = new Color(255255255);
    public final static Color LIGHT_GRAY = new Color(192192192);
    public final static Color GRAY = new Color(128128128);
    public final static Color DARK_GRAY = new Color(646464);
    public final static Color BLACK = new Color(000);
    public final static Color RED = new Color(25500);
    public final static Color PINK = new Color(255175175);
    public final static Color ORANGE = new Color(2552000);
    public final static Color YELLOW = new Color(2552550);
    public final static Color GREEN = new Color(02550);
    public final static Color MAGENTA = new Color(2550255);
    public final static Color CYAN = new Color(0255255);
    public final static Color BLUE = new Color(00255);
    public static final Color NONE = new Color("");
    
    private int r, g, b;
    
    // only for special cases, like no color, or maybe named colors
    private String colorText = null;

    private Color (String colorText) {
        this.colorText = colorText;
    }

    public Color (int r, int g, int b)
    {
        this.r = r;
        this.g = g;
        this.b = b;
    }

    public int getRed ()
    {
        return r;
    }

    public int getGreen ()
    {
        return g;
    }

    public int getBlue ()
    {
        return b;
    }

    public String getHexValue ()
    {
        if (colorText != null) {
            return colorText;
        }

        return "#"
            + pad(Integer.toHexString(r))
            + pad(Integer.toHexString(g))
            + pad(Integer.toHexString(b));
    }

    private String pad (String in)
    {
        if (in.length() == 0) {
            return "00";
        }
        if (in.length() == 1) {
            return "0" + in;
        }
        return in;
    }

    public String toString ()
    {
        if (colorText != null) {
            return colorText;
        }
        return "red=" + r + ", green=" + g + ", blue=" + b;
    }
}


           
         
  
Related examples in the same category
1.Use reflection to generate the async interface from the Service interface as per GWT standard
2.Array Utils for client side GWT
3.A simple number formatting/ parsing class
4.GWT window utility
5.Implement java.util.regex.Pattern with Javascript RegExp object
6.DOM related helper methods (Smart GWT)
7.Formatting functions for GWT client side (Ext GWT)
8.Helper class to decode and encode objects to and from Json (Ext GWT)
9.String util for GWT client side (Smart GWT)
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.