Fawkes API  Fawkes Development Version
threshold.h
1 
2 /***************************************************************************
3  * threshold.h - Header of threshold filter
4  *
5  * Created: Tue Jun 07 14:25:53 2005
6  * Copyright 2005-2012 Tim Niemueller [www.niemueller.de]
7  ****************************************************************************/
8 
9 /* This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version. A runtime exception applies to
13  * this software (see LICENSE.GPL_WRE file mentioned below for details).
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Library General Public License for more details.
19  *
20  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
21  */
22 
23 #ifndef _FIREVISION_FILTER_THRESHOLD_H_
24 #define _FIREVISION_FILTER_THRESHOLD_H_
25 
26 #if !(defined(HAVE_IPP) || defined(HAVE_OPENCV))
27 # error "Neither IPP nor OpenCV installed"
28 #endif
29 
30 #include <fvfilters/filter.h>
31 
32 namespace firevision {
33 
34 class FilterThreshold : public Filter
35 {
36 public:
37  FilterThreshold(unsigned char min = 128,
38  unsigned char min_replace = 0,
39  unsigned char max = 127,
40  unsigned char max_replace = 255);
41 
42  void set_thresholds(unsigned char min,
43  unsigned char min_replace,
44  unsigned char max,
45  unsigned char max_replace);
46 
47  virtual void apply();
48 
49 private:
50  unsigned char max;
51  unsigned char min;
52  unsigned char min_replace;
53  unsigned char max_replace;
54 };
55 
56 } // end namespace firevision
57 
58 #endif
Threshold filter.
Definition: threshold.h:35
void set_thresholds(unsigned char min, unsigned char min_replace, unsigned char max, unsigned char max_replace)
Set new thresholds.
Definition: threshold.cpp:79
virtual void apply()
Apply the filter.
Definition: threshold.cpp:91
FilterThreshold(unsigned char min=128, unsigned char min_replace=0, unsigned char max=127, unsigned char max_replace=255)
Constructor.
Definition: threshold.cpp:55
Filter interface.
Definition: filter.h:33