00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #include <mln/core/image/image2d.hh> 00027 #include <mln/core/alias/neighb2d.hh> 00028 #include <mln/value/int_u8.hh> 00029 #include <mln/io/pgm/load.hh> 00030 00031 #include <mln/accu/math/count.hh> 00032 #include <mln/accu/compute.hh> 00033 #include <mln/labeling/value.hh> 00034 #include <mln/data/paste.hh> 00035 #include <mln/pw/all.hh> 00036 #include <mln/core/image/dmorph/image_if.hh> 00037 00038 #include <mln/debug/println.hh> 00039 00040 #include "tests/data.hh" 00041 00042 00043 int main() 00044 { 00045 using namespace mln; 00046 using value::int_u8; 00047 00048 image2d<int_u8> lena = io::pgm::load<int_u8>(MLN_IMG_DIR "/tiny.pgm"); 00049 image2d<bool> lvl(lena.domain()); 00050 00051 unsigned n, npixels = 0; 00052 for (unsigned l = 0; l <= 255; ++l) 00053 { 00054 image2d<unsigned> labels = labeling::value(lena, l, c4(), n); 00055 unsigned npix = 00056 accu::compute(accu::meta::math::count(), 00057 labels | (pw::value(labels) != pw::cst(0u))); 00058 npixels += npix; 00059 } 00060 mln_assertion(npixels == lena.nsites()); 00061 }
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