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1 /***************************************************************************** 2 * Virtual Mockup for Machine Vision 3 * Copyright (C) 2001-2003 Fabio R. de Miranda, João 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.action; 21 22 23 import camera3d.VcView; 24 25 26 /*** 27 * Action for changing the field of view parameter of a given VcView. 28 * @author Fábio Roberto de Miranda 29 * @version 1.0 30 */ 31 32 public class FieldOfViewAction extends VcViewAction { 33 34 private VcView view; 35 private double value; 36 private double oldValue; 37 38 public FieldOfViewAction(VcView view, double value) { 39 this.view = view; 40 this.value = value; 41 } 42 43 public void doAction(ActionExecutor executor) { 44 oldValue = this.view.getFieldOfView(); 45 this.view.setFieldOfView(value); 46 } 47 48 public void undoAction(ActionExecutor executor) { 49 // added 04/09/2002 50 this.view.setFieldOfView(oldValue); 51 } 52 53 54 }

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