Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 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_OPT_VALUE_HH 00027 # define MLN_OPT_VALUE_HH 00028 00032 00033 # include <mln/core/concept/image.hh> 00034 # include <mln/trait/images.hh> 00035 00036 namespace mln 00037 { 00038 00039 namespace opt 00040 { 00041 00042 template <typename I> 00043 inline 00044 mln_rvalue(I) value(const Image<I>& ima); 00045 00046 template <typename I> 00047 inline 00048 mln_lvalue(I) value(Image<I>& ima); 00049 00050 00051 # ifndef MLN_INCLUDE_ONLY 00052 00053 namespace impl 00054 { 00055 00056 template <typename I> 00057 inline 00058 mln_rvalue(I) value_impl(trait::image::category::domain_morpher, 00059 const Image<I>& ima) 00060 { 00061 return value(*exact(ima).delegatee_()); 00062 } 00063 00064 template <typename I> 00065 inline 00066 mln_rvalue(I) value_impl(trait::image::category::any, 00067 const Image<I>& ima) 00068 { 00069 mlc_is(mln_trait_image_value_storage(I), 00070 trait::image::value_storage::singleton)::check(); 00071 return exact(ima).value_(); 00072 } 00073 00074 00075 00076 00077 template <typename I> 00078 inline 00079 mln_lvalue(I) value_impl(trait::image::category::domain_morpher, 00080 Image<I>& ima) 00081 { 00082 return value(*exact(ima).delegatee_()); 00083 } 00084 00085 template <typename I> 00086 inline 00087 mln_lvalue(I) value_impl(trait::image::category::any, 00088 Image<I>& ima) 00089 { 00090 mlc_is(mln_trait_image_value_storage(I), 00091 trait::image::value_storage::singleton)::check(); 00092 return exact(ima).value_(); 00093 } 00094 } 00095 00096 00097 template <typename I> 00098 inline 00099 mln_rvalue(I) value(const Image<I>& ima) 00100 { 00101 return impl::value_impl(mln_trait_image_category(I)(), ima); 00102 } 00103 00104 template <typename I> 00105 inline 00106 mln_lvalue(I) value(Image<I>& ima) 00107 { 00108 return impl::value_impl(mln_trait_image_category(I)(), ima); 00109 } 00110 00111 00112 00113 00114 # endif // ! MLN_INCLUDE_ONLY 00115 00116 } // end of namespace mln::opt 00117 00118 } // end of namespace mln 00119 00120 00121 #endif // ! MLN_OPT_VALUE_HH