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 <cmath> 00027 00028 #include <mln/win/hline2d.hh> 00029 #include <mln/convert/to_image.hh> 00030 #include <mln/debug/println.hh> 00031 00032 00033 int main() 00034 { 00035 using namespace mln; 00036 00037 const unsigned l = 5; 00038 win::hline2d hline(l); 00039 00040 mln_assertion(hline.delta() == 2); 00041 00042 for (def::coord x = -5; x <= 5; ++x) 00043 for (def::coord y = -5; y <= 5; ++y) 00044 { 00045 mln_assertion((std::abs(x) <= 2 && std::abs(y) <= 2) || 00046 ! hline.has(dpoint2d(x, y))); 00047 mln_assertion((x == 0) == (hline.has(dpoint2d(x, y))) || 00048 std::abs(y) > 2); 00049 } 00050 00051 debug::println(convert::to_image(hline)); 00052 }