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Modules/vob/Connection.java

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+/*   
+Vob.java
+ *    
+ *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
+ *
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software 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 README
+ *    file for more details.
+ *
+ */
+/*
+ * Written by Tuomas Lukka
+ */
+package org.gzigzag;
+import java.util.*;
+import java.awt.*;
+
+/** A connection to draw between two vobs.
+ *  This doesn't need to store the vob coordinates, so the same Connection
+ *  object can actually be used to draw many connections.
+ */
+
+public abstract class Vob extends Renderable {
+public static final String rcsid = "$Id: Connection.java,v 1.1 2001/01/20 08:56:19 bfallenstein Exp $";
+
+    /** Render this connection between the given vobs.
+     *  Default: render nothing.
+     */
+    public void render(Graphics g, Vob v1, int x1, int y1,
+				   Vob v2, int x2, int y2) {
+    }
+
+    /** Returns an object telling what was hit.
+     * Default implementation: returns null.
+     * XXX interaction with coords?
+     */
+    public Object hit(Vob v1, Vob v2) { return null; }
+}