1 files changed, 138 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/activation/viewers/ImageViewer.java b/gcc-4.4.3/libjava/classpath/gnu/javax/activation/viewers/ImageViewer.java
new file mode 100644
index 000000000..829f40cbf
--- /dev/null
+++ b/gcc-4.4.3/libjava/classpath/gnu/javax/activation/viewers/ImageViewer.java
@@ -0,0 +1,138 @@
+/* ImageViewer.java -- Simple image display component.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.javax.activation.viewers;
+
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Image;
+import java.awt.Graphics;
+import java.awt.MediaTracker;
+import java.awt.Toolkit;
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.io.IOException;
+
+import javax.activation.CommandObject;
+import javax.activation.DataHandler;
+
+/**
+ * Simple image display component.
+ *
+ * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
+ * @version 1.0.2
+ */
+public class ImageViewer extends Component
+  implements CommandObject
+{
+
+  private Image image;
+
+  /**
+   * Returns the preferred size for this component (the image size).
+   */
+  public Dimension getPreferredSize()
+    {
+      Dimension ps = new Dimension(0, 0);
+      if (image != null)
+        {
+          ps.width = image.getWidth(this);
+          ps.height = image.getHeight(this);
+        }
+      return ps;
+    }
+
+  public void setCommandContext(String verb, DataHandler dh)
+    throws IOException
+  {
+    // Read image into a byte array
+    InputStream in = dh.getInputStream();
+    ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+    byte[] buf = new byte[4096];
+    for (int len = in.read(buf); len != -1; len = in.read(buf))
+      bytes.write(buf, 0, len);
+    in.close();
+    // Create and prepare the image
+    Toolkit toolkit = getToolkit();
+    Image img = toolkit.createImage(bytes.toByteArray());
+    try
+      {
+        MediaTracker tracker = new MediaTracker(this);
+        tracker.addImage(img, 0);
+        tracker.waitForID(0);
+      }
+    catch (InterruptedException e)
+      {
+      }
+    toolkit.prepareImage(img, -1, -1, this);
+  }
+
+  /**
+   * Image bits arrive.
+   */
+  public boolean imageUpdate(Image image, int flags, int x, int y,
+                             int width, int height)
+  {
+    if ((flags & ALLBITS) != 0)
+      {
+        this.image = image;
+        invalidate();
+        repaint();
+        return false;
+      }
+    return ((flags & ERROR) == 0);
+  }
+
+  /**
+   * Scale the image into this component's bounds.
+   */
+  public void paint(Graphics g)
+  {
+    if (image != null)
+      {
+        Dimension is = new Dimension(image.getWidth(this),
+                                     image.getHeight(this));
+        if (is.width > -1 && is.height > -1)
+          {
+            Dimension cs = getSize();
+            g.drawImage(image, 0, 0, cs.width, cs.height, 
+                        0, 0, is.width, is.height, this);
+          }
+      }
+  }
+
+}