Name: gsC80088 Date: 11/19/98


Attempting to get an image of a component by
calling printAll() with a Graphics retrieved from
an off screen image throws a nasty.
Not verified yet on a single processor machine.
Not observed on Solaris.

import java.awt.*;

/**
 * Code illustrating printAll bug.
 */
public class bugPanel extends Panel
{
    void doPrint ()
    {
        { // get an image of our component
            Dimension size = getSize ();
            Image image = createImage (size.width, size.height);
            Graphics g = image.getGraphics ();
            printAll (g);
            g.dispose ();
        }
    }

    public static void main (String[] args)
    {
        Frame f = new Frame ("printAll bug");
bugPanel bp = new bugPanel ();
bp.add (new Button ("Hello"));
        f.add ("Center", bp);
        f.setSize (100, 100);
        f.setVisible (true);
        bp.doPrint ();

        f.addWindowListener (
            new java.awt.event.WindowAdapter ()
            {
                public void windowClosing (java.awt.event.WindowEvent e)
                {
                    System.exit (0);
                }
            });
    }
}
  
Exception in thread "main" java.lang.ClassCastException: sun.awt.image.BufferedImageGraphics2D
        at sun.awt.windows.WComponentPeer.print(WComponentPeer.java:93)
        at sun.awt.windows.WCanvasPeer.print(WCanvasPeer.java:47)
        at sun.awt.windows.WPanelPeer.print(WPanelPeer.java:24)
        at java.awt.Component.printAll(Component.java:1738)
        at bugPanel.doPrint(bugPanel.java:14)
        at bugPanel.main(bugPanel.java:27)
(Review ID: 38385)
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