1 /*****************************************************************************
2 * Virtual Mockup for Machine Vision
3 * Copyright (C) 2001-2003 Fabio R. de Miranda, Joćo E. Kogler Jr.,
4 * Carlos S. Santos.
5 * Virtual Mockup for Machine Vision Project funded by SENAC-SP
6 *
7 * Permission is granted to redistribute and/or modify this
8 * software under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License (http://www.gnu.org/copyleft/lesser.html)
16 * for more details.
17 *
18 *****************************************************************************/
19
20 package camera3d;
21
22 import camera3d.event.ViewportEvent;
23
24 /***
25 * Interface that should be implemented by objects interested in getting notified of changes
26 * inside a given viewport.
27 * @author Fabio Roberto de Miranda
28 * @see Viewport
29 */
30 public interface ViewportChangeListener {
31 /***
32 * Method called when a change is made to a viewport.
33 * @param vpe holds information about the change made.
34 */
35 public void viewportChanged(ViewportEvent vpe);
36 }
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