00001 // Copyright (C) 2007, 2008, 2009 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/core/var.hh> 00029 #include <mln/io/pbm/load.hh> 00030 #include <mln/core/alias/neighb2d.hh> 00031 #include <mln/data/compare.hh> 00032 #include <mln/labeling/foreground.hh> 00033 00034 #include "tests/data.hh" 00035 00036 00037 int main() 00038 { 00039 using namespace mln; 00040 00041 typedef image2d<bool> I; 00042 neighb2d nbh = c4(); 00043 00044 I pic = io::pbm::load(MLN_IMG_DIR "/picasso.pbm"); 00045 image2d<unsigned> out, ref; 00046 00047 unsigned n; 00048 out = labeling::foreground(pic, nbh, n); // Calls the fastest 'video' 00049 // version. 00050 mln_assertion(n == 33); 00051 00052 { 00053 // Note that labeling::foreground actually is labeling::value 00054 // which calls canvas::labeling_video and its generic dispatch 00055 // leads to canvas::impl::generic::labeling. 00056 00057 labeling::impl::value_functor<I> f(pic, true); 00058 00059 unsigned n_; 00060 ref = canvas::labeling::impl::generic::labeling(pic, nbh, n_, 00061 pic.domain(), 00062 f); 00063 mln_invariant(n_ == n); 00064 mln_invariant(ref == out); 00065 } 00066 00067 }
1.5.6