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H3Canvas3D.java
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H3Canvas3D.java
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//
// The Walrus Graph Visualization Tool.
// Copyright (C) 2000,2001,2002 The Regents of the University of California.
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// ######END_HEADER######
//
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.util.Observer;
import java.util.Observable;
import javax.media.j3d.*;
import javax.vecmath.*;
public class H3Canvas3D
extends Canvas3D
{
public H3Canvas3D(GraphicsConfiguration config)
{
super(config);
}
public void addPaintObserver(Observer o)
{
m_observable.addObserver(o);
}
public void removePaintObserver(Observer o)
{
m_observable.deleteObserver(o);
}
public void paint(Graphics g)
{
super.paint(g);
m_observable.notifyPaintObservers();
}
//=======================================================================
private PaintObservable m_observable = new PaintObservable();
private class PaintObservable extends Observable
{
public PaintObservable()
{
super();
}
public void notifyPaintObservers()
{
setChanged();
notifyObservers();
}
}
}