Fawkes API Fawkes Development Version

opening.cpp

00001 
00002 /***************************************************************************
00003  *  opening.cpp - implementation of morphological opening filter
00004  *
00005  *  Created: Mon Jun 05 14:00:46 2006
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 #include <filters/morphology/opening.h>
00025 
00026 #include <filters/morphology/dilation.h>
00027 #include <filters/morphology/erosion.h>
00028 
00029 #include <cstddef>
00030 
00031 namespace firevision {
00032 #if 0 /* just to make Emacs auto-indent happy */
00033 }
00034 #endif
00035 
00036 /** @class FilterOpening <filters/morphology/opening.h>
00037  * Morphological opening.
00038  *
00039  * @author Tim Niemueller
00040  */
00041 
00042 
00043 /** Constructor. */
00044 FilterOpening::FilterOpening()
00045   : MorphologicalFilter("Morphological Opening")
00046 {
00047   dilate = new FilterDilation();
00048   erode  = new FilterErosion();
00049 }
00050 
00051 
00052 /** Destructor. */
00053 FilterOpening::~FilterOpening()
00054 {
00055   delete dilate;
00056   delete erode;
00057 }
00058 
00059 
00060 void
00061 FilterOpening::set_src_buffer(unsigned char *buf, ROI *roi,
00062                               orientation_t ori, unsigned int buffer_num)
00063 {
00064   Filter::set_src_buffer(buf, roi, ori, buffer_num);
00065   erode->set_src_buffer( buf, roi, ori, buffer_num );
00066 }
00067 
00068 
00069 void
00070 FilterOpening::set_src_buffer(unsigned char *buf, ROI *roi, unsigned int buffer_num)
00071 {
00072   Filter::set_src_buffer(buf, roi, buffer_num);
00073   erode->set_src_buffer( buf, roi, buffer_num );
00074 }
00075 
00076 
00077 void
00078 FilterOpening::set_dst_buffer(unsigned char *buf, ROI *roi)
00079 {
00080   Filter::set_dst_buffer(buf, roi);
00081   erode->set_dst_buffer( buf, roi );
00082   dilate->set_src_buffer( buf, roi );
00083 }
00084 
00085 
00086 void
00087 FilterOpening::set_structuring_element(unsigned char *se,
00088                                        unsigned int se_width, unsigned int se_height,
00089                                        unsigned int se_anchor_x, unsigned int se_anchor_y)
00090 {
00091   MorphologicalFilter::set_structuring_element(se, se_width, se_height, se_anchor_x, se_anchor_y);
00092   dilate->set_structuring_element(se, se_width, se_height, se_anchor_x, se_anchor_y);
00093   erode->set_structuring_element(se, se_width, se_height, se_anchor_x, se_anchor_y);
00094 }
00095 
00096 
00097 void
00098 FilterOpening::apply()
00099 {
00100   erode->apply();
00101   dilate->apply();
00102 }
00103 
00104 } // end namespace firevision
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