overlayimageicon.java

OSGI这是一个中间件,与UPNP齐名,是用于移植到嵌入式平台之上

/*
 * Copyright (c) 2003, KNOPFLERFISH project
 * 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 KNOPFLERFISH 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.
 */

package org.knopflerfish.bundle.desktop.swing;

import org.osgi.framework.*;

import javax.swing.table.*;
import javax.swing.*;
import javax.swing.event.*;

import java.awt.event.*;
import java.awt.Container;
import java.awt.Color;
import java.awt.GridLayout;
import java.awt.Component;
import java.awt.Point;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.datatransfer.*;
import java.awt.dnd.*;

import java.util.List;
import java.util.Dictionary;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.Iterator;
import java.io.*;
import java.net.URL;


public class OverlayImageIcon extends ImageIcon {

  ImageIcon overlay = null;

  public OverlayImageIcon(URL url) {
    this(url, null);
  }

  public OverlayImageIcon(URL url, URL overlayURL) {
    super(url);
    if(overlayURL != null) {
      overlay = new ImageIcon(overlayURL);
    }
  }
  

  public void paintIcon(Component c,
			Graphics g,
			int x,
			int y) {
    super.paintIcon(c, g, x, y);

    if(overlay != null) {
      overlay.paintIcon(c, g, x, y);
    }
  }
}