libjava/javax/swing/ImageIcon.java

   1 /* ImageIcon.java --
   2    Copyright (C) 2002, 2004  Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 package javax.swing;
  39
  40 import java.awt.Component;
  41 import java.awt.Graphics;
  42 import java.awt.Image;
  43 import java.awt.Toolkit;
  44 import java.awt.image.ImageObserver;
  45 import java.io.Serializable;
  46 import java.net.URL;
  47
  48
  49 public class ImageIcon
  50   implements Icon, Serializable
  51 {
  52   private static final long serialVersionUID = 532615968316031794L;
  53   Image image;
  54   String description;
  55   ImageObserver observer;
  56
  57   public ImageIcon()
  58   {
  59   }
  60
  61   public ImageIcon(String file)
  62   {
  63     this(file, file);
  64   }
  65
  66   public ImageIcon(String file, String description)
  67   {
  68     this(Toolkit.getDefaultToolkit().getImage(file), description);
  69   }
  70
  71   public ImageIcon(byte[] imageData)
  72   {
  73     this(imageData, null);
  74   }
  75
  76   public ImageIcon(byte[] imageData, String description)
  77   {
  78     this(Toolkit.getDefaultToolkit().createImage(imageData), description);
  79   }
  80
  81   public ImageIcon(URL url)
  82   {
  83     this(url, null);
  84   }
  85
  86   public ImageIcon(URL url, String description)
  87   {
  88     this(Toolkit.getDefaultToolkit().getImage(url), description);
  89   }
  90
  91   public ImageIcon(Image image)
  92   {
  93     this(image, null);
  94   }
  95
  96   public ImageIcon(Image image, String description)
  97   {
  98     this.image = Toolkit.getDefaultToolkit().createImage(image.getSource());
  99     this.description = description;
 100   }
 101
 102   public ImageObserver getImageObserver()
 103   {
 104     return observer;
 105   }
 106
 107   public void setImageObserver(ImageObserver newObserver)
 108   {
 109     observer = newObserver;
 110   }
 111
 112   public Image getImage()
 113   {
 114     return image;
 115   }
 116
 117   public void setImage(Image image)
 118   {
 119     this.image = Toolkit.getDefaultToolkit().createImage(image.getSource());
 120   }
 121
 122   public String getDescription()
 123   {
 124     return description;
 125   }
 126
 127   public void setDescription(String description)
 128   {
 129     this.description = description;
 130   }
 131
 132   public int getIconHeight()
 133   {
 134     return image.getHeight(observer);
 135   }
 136
 137   public int getIconWidth()
 138   {
 139     return image.getWidth(observer);
 140   }
 141
 142   public void paintIcon(Component c, Graphics g, int x, int y)
 143   {
 144     g.drawImage(image, x, y, observer != null ? observer : c);
 145   }
 146 }