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_DATA_UPDATE_HH 00027 # define MLN_DATA_UPDATE_HH 00028 00032 00033 # include <mln/core/concept/accumulator.hh> 00034 # include <mln/core/concept/image.hh> 00035 00036 00037 00038 namespace mln 00039 { 00040 00041 namespace data 00042 { 00043 00050 template <typename A, typename I> 00051 mln_result(A) 00052 update(Accumulator<A>& a, const Image<I>& input); 00053 00054 00055 00056 # ifndef MLN_INCLUDE_ONLY 00057 00058 00059 // Tests. 00060 00061 namespace internal 00062 { 00063 00064 template <typename A, typename I> 00065 inline 00066 void 00067 update_tests(Accumulator<A>& a_, const Image<I>& input_) 00068 { 00069 A& a = exact(a_); 00070 const I& input = exact(input_); 00071 mln_precondition(input.is_valid()); 00072 // sizeof(a.take(mln_value(I)())); 00073 00074 (void) a; 00075 (void) input; 00076 } 00077 00078 } // end of namespace internal 00079 00080 00081 00082 // Implementations. 00083 00084 namespace impl 00085 { 00086 00087 namespace generic 00088 { 00089 00096 // 00097 template <typename A, typename I> 00098 inline 00099 mln_result(A) 00100 update(Accumulator<A>& a_, const Image<I>& input_) 00101 { 00102 trace::entering("data::impl::generic::update"); 00103 00104 A& a = exact(a_); 00105 const I& input = exact(input_); 00106 data::internal::update_tests(a, input); 00107 00108 mln_piter(I) p(input.domain()); 00109 for_all(p) 00110 a.take(input(p)); 00111 00112 trace::exiting("data::impl::generic::update"); 00113 return a.to_result(); 00114 } 00115 00116 } // end of namespace mln::data::impl::generic 00117 00118 00125 // 00126 template <typename A, typename I> 00127 inline 00128 mln_result(A) 00129 update_fastest(Accumulator<A>& a_, const Image<I>& input_) 00130 { 00131 trace::entering("data::impl::update_fastest"); 00132 00133 A& a = exact(a_); 00134 const I& input = exact(input_); 00135 data::internal::update_tests(a, input); 00136 00137 mln_pixter(const I) pxl(input); 00138 for_all(pxl) 00139 a.take(pxl.val()); 00140 00141 trace::exiting("data::impl::update_fastest"); 00142 return a.to_result(); 00143 } 00144 00145 00146 } // end of namespace mln::data::impl 00147 00148 00149 00150 // Dispatch. 00151 00152 namespace internal 00153 { 00154 00155 template <typename A, typename I> 00156 inline 00157 mln_result(A) 00158 update_dispatch(trait::image::speed::any, 00159 Accumulator<A>& a, const Image<I>& input) 00160 { 00161 return impl::generic::update(a, input); 00162 } 00163 00164 template <typename A, typename I> 00165 inline 00166 mln_result(A) 00167 update_dispatch(trait::image::speed::fastest, 00168 Accumulator<A>& a, const Image<I>& input) 00169 { 00170 return impl::update_fastest(a, input); 00171 } 00172 00173 template <typename A, typename I> 00174 inline 00175 mln_result(A) 00176 update_dispatch(Accumulator<A>& a, const Image<I>& input) 00177 { 00178 return update_dispatch(mln_trait_image_speed(I)(), 00179 a, input); 00180 } 00181 00182 } // end of namespace internal 00183 00184 00185 00186 // Facades. 00187 00188 template <typename A, typename I> 00189 inline 00190 mln_result(A) 00191 update(Accumulator<A>& a, const Image<I>& input) 00192 { 00193 trace::entering("data::update"); 00194 00195 data::internal::update_tests(a, input); 00196 mln_result(A) r = internal::update_dispatch(a, input); 00197 00198 trace::exiting("data::update"); 00199 return r; 00200 } 00201 00202 # endif // ! MLN_INCLUDE_ONLY 00203 00204 } // end of namespace mln::data 00205 00206 } // end of namespace mln 00207 00208 00209 #endif // ! MLN_DATA_UPDATE_HH