Fawkes API Fawkes Development Version
nothing.h
1
2/***************************************************************************
3 * nothing.h - Header of a filter that does nothing. Wonderful, isn't it.
4 * Used in FilterFactory to avoid NULL checks
5 *
6 * Created: Fri Jun 17 13:28:21 2005
7 * Copyright 2005-2007 Tim Niemueller [www.niemueller.de]
8 *
9 ****************************************************************************/
10
11/* This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version. A runtime exception applies to
15 * this software (see LICENSE.GPL_WRE file mentioned below for details).
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Library General Public License for more details.
21 *
22 * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
23 */
24
25#ifndef _FIREVISION_FILTER_NOTHING_H_
26#define _FIREVISION_FILTER_NOTHING_H_
27
28#include <fvfilters/filter.h>
29
30namespace firevision {
31
32/** @class FilterNothing <fvfilters/nothing.h>
33 * A filter that does... nothing.
34 * @author Tim Niemueller
35 */
36
37class FilterNothing : public Filter
38{
39public:
40 /** Constructor. */
41 FilterNothing() : Filter("FilterNothing")
42 {
43 }
44
45 virtual void
47 {
48 }
49};
50
51} // end namespace firevision
52
53#endif
A filter that does... nothing.
Definition: nothing.h:38
FilterNothing()
Constructor.
Definition: nothing.h:41
virtual void apply()
Apply the filter.
Definition: nothing.h:46
Filter interface.
Definition: filter.h:33