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contrast.cc

00001 // Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development
00002 // Laboratory (LRDE)
00003 //
00004 // This file is part of Olena.
00005 //
00006 // Olena is free software: you can redistribute it and/or modify it under
00007 // the terms of the GNU General Public License as published by the Free
00008 // Software Foundation, version 2 of the License.
00009 //
00010 // Olena is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU General Public License
00016 // along with Olena.  If not, see <http://www.gnu.org/licenses/>.
00017 //
00018 // As a special exception, you may use this file as part of a free
00019 // software project without restriction.  Specifically, if other files
00020 // instantiate templates or use macros or inline functions from this
00021 // file, or you compile this file and link it with other files to produce
00022 // an executable, this file does not by itself cause the resulting
00023 // executable to be covered by the GNU General Public License.  This
00024 // exception does not however invalidate any other reasons why the
00025 // executable file might be covered by the GNU General Public License.
00026 
00027 #include <mln/core/image/image2d.hh>
00028 #include <mln/win/rectangle2d.hh>
00029 
00030 #include <mln/io/pgm/load.hh>
00031 #include <mln/io/pgm/save.hh>
00032 
00033 #include <mln/value/int_u8.hh>
00034 #include <mln/value/int_s.hh>
00035 
00036 #include <mln/morpho/contrast.hh>
00037 
00038 #include "tests/data.hh"
00039 
00040 
00041 int main()
00042 {
00043   using namespace mln;
00044   using value::int_u8;
00045 
00046   win::rectangle2d rect(3, 3);
00047   border::thickness = 1;
00048 
00049   image2d<int_u8> lena;
00050   io::pgm::load(lena, MLN_IMG_DIR "/tiny.pgm");
00051   /* FIXME: Have dilation take the border into account (as erosion
00052      does), and fill it with min_value(V), sot that the post-condition
00053      in opening works.  */
00054   image2d<int_u8> out = morpho::contrast(lena, rect);
00055   io::pgm::save(out, "constrast-out.pgm");
00056 
00057   {
00058     // Self-duality test.
00059     // FIXME: Likewise.
00060     image2d<int_u8> out_ =
00061       morpho::complementation( morpho::contrast( morpho::complementation(lena),
00062                                                  rect )
00063                                );
00064     mln_assertion(out_ == out);
00065   }
00066 
00067 }

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