Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 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 #ifndef MLN_WIN_DIFF_HH 00027 # define MLN_WIN_DIFF_HH 00028 00032 00033 # include <mln/trait/op/minus.hh> 00034 # include <mln/core/window.hh> 00035 # include <mln/core/neighb.hh> 00036 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace win 00043 { 00044 00047 // 00048 template <typename W1, typename W2> 00049 mln_regular(W1) 00050 diff(const Window<W1>& win1, const Window<W2>& win2); 00051 00052 00055 // 00056 template <typename N1, typename N2> 00057 neighb<mln_deduce(N1, window, regular)> 00058 diff(const Neighborhood<N1>& nbh1, const Neighborhood<N2>& nbh2); 00059 00060 } // end of namespace mln::win 00061 00062 00066 // 00067 template <typename W1, typename W2> 00068 mln_regular(W1) 00069 operator-(const Window<W1>& win1, const Window<W2>& win2); 00070 00073 // 00074 template <typename N1, typename N2> 00075 neighb<mln_deduce(N1, window, regular)> 00076 operator-(const Neighborhood<N1>& nbh1, const Neighborhood<N2>& nbh2); 00077 00078 00079 namespace trait 00080 { 00081 00082 template <typename W1, typename W2> 00083 struct set_binary_< op::minus, mln::Window, W1, mln::Window, W2 > 00084 { 00085 typedef mln_regular(W1) ret; 00086 }; 00087 00088 00089 template <typename N1, typename N2> 00090 struct set_binary_< op::minus, mln::Neighborhood, N1, mln::Neighborhood, N2 > 00091 { 00092 typedef mln::neighb<mln_deduce(N1, window, regular)> ret; 00093 }; 00094 00095 } // end of namespace mln::trait 00096 00097 00098 00099 # ifndef MLN_INCLUDE_ONLY 00100 00101 namespace win 00102 { 00103 00104 template <typename W1, typename W2> 00105 inline 00106 mln_regular(W1) 00107 diff(const Window<W1>& win1_, const Window<W2>& win2_) 00108 { 00109 trace::entering("win::diff"); 00110 00111 mln_is_simple_window(W1)::check(); 00112 mln_is_simple_window(W2)::check(); 00113 00114 const W1& win1 = exact(win1_); 00115 const W2& win2 = exact(win2_); 00116 mln_regular(W1) tmp; 00117 00118 const unsigned n = win1.size(); 00119 for (unsigned i = 0; i < n; ++i) 00120 { 00121 if (win2.has(win1.dp(i))) 00122 continue; 00123 tmp.insert(win1.dp(i)); 00124 } 00125 00126 trace::exiting("win::diff"); 00127 return tmp; 00128 } 00129 00130 template <typename N1, typename N2> 00131 neighb<mln_deduce(N1, window, regular)> 00132 diff(const Neighborhood<N1>& nbh1, const Neighborhood<N2>& nbh2) 00133 { 00134 typedef mln_deduce(N1, window, regular) W1; 00135 W1 win = diff(exact(nbh1).win(), exact(nbh2).win()); 00136 neighb<W1> tmp(win); 00137 return tmp; 00138 } 00139 00140 } // end of namespace mln::win 00141 00142 00143 // Operators. 00144 00145 template <typename W1, typename W2> 00146 inline 00147 mln_regular(W1) 00148 operator-(const Window<W1>& win1, const Window<W2>& win2) 00149 { 00150 return win::diff(win1, win2); 00151 } 00152 00153 template <typename N1, typename N2> 00154 neighb<mln_deduce(N1, window, regular)> 00155 operator-(const Neighborhood<N1>& nbh1, const Neighborhood<N2>& nbh2) 00156 { 00157 return win::diff(nbh1, nbh2); 00158 } 00159 00160 # endif // ! MLN_INCLUDE_ONLY 00161 00162 } // end of namespace mln 00163 00164 00165 #endif // ! MLN_WIN_DIFF_HH