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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 /*** 24 * Interface implemented by actions whose execution can be optimized, by the elimination 25 * of repetitive/redundant action pushed into the actionqueue. That is the case when multiple 26 * transformation actions that affect the same object are sequentially generated. 27 * 28 * @author Fábio Roberto de Miranda e Carlos da Silva dos Santos 29 * @version 1.0 30 */ 31 interface OptimizableAction { 32 /*** Returns a flag indicating whether a given action can be eliminated from the action 33 * queue. 34 * @param action 35 * @return true if the VcAction given as input can be eliminated, false otherwise. 36 */ 37 abstract boolean canOptimize(VcAction action); 38 39 /*** Performs optimization. 40 * @param action VcAction to be eliminated 41 * @return true if the VcAction given as input was eliminated, false otherwise. 42 */ 43 abstract boolean optimize(VcAction action); 44 }

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