Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2007, 2008, 2009, 2011 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 #ifndef MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH 00028 # define MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH 00029 00033 00034 # include <mln/core/concept/browsing.hh> 00035 # include <mln/core/concept/image.hh> 00036 00037 namespace mln 00038 { 00039 00040 namespace canvas 00041 { 00042 00043 namespace browsing 00044 { 00045 00047 00075 struct hyper_directional_t : public Browsing< hyper_directional_t > 00076 { 00077 // This default constructor is needed for compilation with gcc 00078 // 4.6.0, gcc 4.6.1 and Clang. 00079 hyper_directional_t(); 00080 00081 template <typename F> 00082 void operator()(F& f) const; 00083 }; 00084 00085 extern const hyper_directional_t hyper_directional; 00086 00087 # ifndef MLN_INCLUDE_ONLY 00088 00089 # ifndef MLN_WO_GLOBAL_VARS 00090 00091 const hyper_directional_t hyper_directional; 00092 00093 # endif // ! MLN_WO_GLOBAL_VARS 00094 00095 00096 inline 00097 hyper_directional_t::hyper_directional_t() 00098 { 00099 } 00100 00101 template <typename F> 00102 inline 00103 void 00104 hyper_directional_t::operator()(F& f) const 00105 { 00106 trace::entering("canvas::browsing::hyper_directional"); 00107 mln_precondition(f.dir < f.dim); 00108 typedef typename F::I I; 00109 00110 mln_psite(I) 00111 pmin = f.input.domain().pmin(), 00112 pmax = f.input.domain().pmax(); 00113 00114 f.p = pmin; 00115 00116 f.init(); 00117 00118 do 00119 { 00120 f.next(); 00121 00122 for (int c = F::dim - 1; c >= 0; --c) 00123 { 00124 if (c == int(f.dir)) 00125 continue; 00126 if (f.p[c] != pmax[c]) 00127 { 00128 ++f.p[c]; 00129 break; 00130 } 00131 f.p[c] = pmin[c]; 00132 } 00133 } while (f.p != pmin); 00134 00135 f.final(); 00136 trace::exiting("canvas::browsing::hyper_directional"); 00137 } 00138 00139 # endif // ! MLN_INCLUDE_ONLY 00140 00141 } // end of namespace mln::canvas::browsing 00142 00143 } // end of namespace mln::canvas 00144 00145 } // end of namespace mln 00146 00147 #endif // ! MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH