Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 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/labeling/relabel.hh> 00029 #include <mln/value/label_16.hh> 00030 00031 00032 struct not_to_remove : public mln::Function_v2b< not_to_remove > 00033 { 00034 bool operator()(const mln::value::label_16& l) const 00035 { 00036 return l < mln::value::label_16(3); 00037 } 00038 }; 00039 00040 00041 bool is_valid(const mln::value::label_16& l) 00042 { 00043 return l == 0u|| l == 1u || l == 2u; 00044 } 00045 00046 00047 00048 int main() 00049 { 00050 using namespace mln; 00051 using value::label_16; 00052 00053 label_16 vals[6][5] = { 00054 {0, 1, 1, 0, 0}, 00055 {0, 1, 1, 4, 0}, 00056 {0, 0, 0, 0, 0}, 00057 {2, 2, 0, 3, 0}, 00058 {2, 5, 3, 3, 3}, 00059 {2, 5, 5, 0, 0} 00060 }; 00061 00062 image2d<label_16> lbl = make::image(vals); 00063 label_16 nlabels = 5; 00064 00065 00066 { 00067 label_16 new_nlabels; 00068 image2d<label_16> lbl2 = labeling::relabel(lbl, 00069 nlabels, 00070 new_nlabels, 00071 not_to_remove()); 00072 mln_assertion(new_nlabels == 2u); 00073 mln_piter_(image2d<label_16>) p(lbl2.domain()); 00074 for_all(p) 00075 mln_assertion(is_valid(lbl2(p))); 00076 } 00077 00078 { 00079 labeling::relabel_inplace(lbl, 00080 nlabels, 00081 not_to_remove()); 00082 mln_piter_(image2d<label_16>) p(lbl.domain()); 00083 for_all(p) 00084 mln_assertion(is_valid(lbl(p))); 00085 } 00086 }