Fawkes API
Fawkes Development Version
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00001 00002 /*************************************************************************** 00003 * nothing.h - Header of a filter that does nothing. Wonderful, isn't it. 00004 * Used in FilterFactory to avoid NULL checks 00005 * 00006 * Created: Fri Jun 17 13:28:21 2005 00007 * Copyright 2005-2007 Tim Niemueller [www.niemueller.de] 00008 * 00009 ****************************************************************************/ 00010 00011 /* This program is free software; you can redistribute it and/or modify 00012 * it under the terms of the GNU General Public License as published by 00013 * the Free Software Foundation; either version 2 of the License, or 00014 * (at your option) any later version. A runtime exception applies to 00015 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00016 * 00017 * This program is distributed in the hope that it will be useful, 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00020 * GNU Library General Public License for more details. 00021 * 00022 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00023 */ 00024 00025 #ifndef __FIREVISION_FILTER_NOTHING_H_ 00026 #define __FIREVISION_FILTER_NOTHING_H_ 00027 00028 #include <fvfilters/filter.h> 00029 00030 namespace firevision { 00031 #if 0 /* just to make Emacs auto-indent happy */ 00032 } 00033 #endif 00034 00035 /** @class FilterNothing <fvfilters/nothing.h> 00036 * A filter that does... nothing. 00037 * @author Tim Niemueller 00038 */ 00039 00040 class FilterNothing : public Filter 00041 { 00042 public: 00043 /** Constructor. */ 00044 FilterNothing() : Filter("FilterNothing") {} 00045 00046 virtual void apply() {} 00047 }; 00048 00049 } // end namespace firevision 00050 00051 #endif