threshold.h

00001 
00002 /***************************************************************************
00003  *  threshold.h - Header of threshold filter
00004  *
00005  *  Created: Tue Jun 07 14:25:53 2005
00006  *  Copyright  2005-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef HAVE_IPP
00025 #error "IPP not installed"
00026 #endif
00027 
00028 #ifndef __FIREVISION_FILTER_THRESHOLD_H_
00029 #define __FIREVISION_FILTER_THRESHOLD_H_
00030 
00031 #include <filters/filter.h>
00032 
00033 namespace firevision {
00034 #if 0 /* just to make Emacs auto-indent happy */
00035 }
00036 #endif
00037 
00038 class FilterThreshold : public Filter
00039 {
00040  public:
00041   FilterThreshold(unsigned char min = 128, unsigned char min_replace =   0,
00042                   unsigned char max = 127, unsigned char max_replace = 255);
00043 
00044   void set_thresholds(unsigned char min, unsigned char min_replace,
00045                       unsigned char max, unsigned char max_replace);
00046 
00047   virtual void apply();
00048 
00049  private:
00050   unsigned char max;
00051   unsigned char min;
00052   unsigned char min_replace;
00053   unsigned char max_replace;
00054 
00055 };
00056 
00057 } // end namespace firevision
00058 
00059 #endif

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