Milena (Olena)
User documentation 2.0a Id
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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 #ifndef MLN_CANVAS_CHAMFER_HH 00027 # define MLN_CANVAS_CHAMFER_HH 00028 00034 # include <mln/core/internal/image_morpher.hh> 00035 # include <mln/win/sym.hh> 00036 00037 namespace mln 00038 { 00039 namespace canvas 00040 { 00041 00046 template <typename F> 00047 struct chamfer 00048 { 00049 typedef typename F::I I; 00050 typedef typename F::W W; 00051 typedef mln_psite(I) point; 00052 00053 F& f; 00054 00055 chamfer(F& f); 00056 00057 void run(); 00058 }; 00059 00060 # ifndef MLN_INCLUDE_ONLY 00061 00062 template<typename F> 00063 inline 00064 chamfer<F>::chamfer(F& f) 00065 : f(f) 00066 { 00067 run(); 00068 } 00069 00070 template<typename F> 00071 inline 00072 void 00073 chamfer<F>::run() 00074 { 00075 00077 { 00078 f.init(); 00079 } 00080 00082 { 00083 mln_fwd_piter(I) p(f.input.domain()); 00084 mln_qiter(W) q(f.win, p); 00085 00086 for_all(p) if (f.handles (p)) 00087 for_all(q) if (f.input.domain().has(q)) 00088 if (f.output(q) != f.max 00089 && f.output(q) + q.w() < f.output(p)) 00090 f.output(p) = f.output(q) + q.w(); 00091 } 00092 00094 { 00095 W w_win_b = win::sym(f.win); 00096 00097 mln_bkd_piter(I) p(f.input.domain()); 00098 mln_qiter(W) q(w_win_b, p); 00099 00100 for_all(p) if (f.handles (p)) 00101 for_all(q) if (f.input.domain().has(q)) 00102 if (f.output(q) != f.max 00103 && f.output(q) + q.w() < f.output(p)) 00104 f.output(p) = f.output(q) + q.w(); 00105 f.status = true; 00106 } 00107 } 00108 00109 # endif // ! MLN_INCLUDE_ONLY 00110 00111 } // end of mln::canvas 00112 00113 } // end of mln 00114 00115 #endif // ! MLN_CANVAS_CHAMFER_HH