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_IO_DUMP_SAVE_HH 00027 # define MLN_IO_DUMP_SAVE_HH 00028 00034 00035 # include <iostream> 00036 # include <fstream> 00037 00038 # include <mln/core/concept/image.hh> 00039 # include <mln/core/box_runstart_piter.hh> 00040 # include <mln/core/pixel.hh> 00041 # include <mln/data/memcpy_.hh> 00042 # include <mln/trait/value_.hh> 00043 00044 00045 namespace mln 00046 { 00047 00048 namespace io 00049 { 00050 00051 namespace dump 00052 { 00053 00058 // 00059 template <typename I> 00060 void save(const Image<I>& ima_, const std::string& filename); 00061 00062 00063 00064 # ifndef MLN_INCLUDE_ONLY 00065 00066 00067 namespace internal 00068 { 00069 00070 template <typename I> 00071 inline 00072 void save_header(const I& ima, 00073 std::ofstream& file) 00074 { 00075 // Milena's file type 00076 file << "milena/dump" << std::endl; 00077 00078 // Dimension 00079 typedef mln_site(I) P; 00080 file << P::dim << std::endl; 00081 00082 // Image size. 00083 typedef algebra::vec<P::dim, unsigned> vec_t; 00084 vec_t size = ima.domain().pmax() - ima.domain().pmin(); 00085 for (unsigned i = 0; i < P::dim - 1; ++i) 00086 file << size[i] + 1 << " "; 00087 file << size[P::dim - 1] + 1 << std::endl; 00088 00089 // Value type name 00090 // WARNING: value type name limited to 255 characters... 00091 file << mln_trait_value_name(mln_value(I)) << std::endl; 00092 00093 // Empty line - may be used for a new information. 00094 file << std::endl; 00095 00096 // Empty line - may be used for a new information. 00097 file << std::endl; 00098 00099 // Pmin 00100 mln_site(I) p = ima.domain().pmin(); 00101 file.write((char*) (&p), sizeof (P)); 00102 00103 // Pmax 00104 p = ima.domain().pmax(); 00105 file.write((char*) (&p), sizeof (P)); 00106 } 00107 00108 00109 template <typename I> 00110 inline 00111 void save_data(I& ima, std::ofstream& file) 00112 { 00113 // Handle padding. 00114 unsigned data_size = sizeof (mln_value(I)) + sizeof (mln_value(I)) % 2; 00115 00116 mln_box_runstart_piter(I) p(ima.domain()); 00117 for_all(p) 00118 { 00119 pixel<I> src(ima, p); 00120 file.write((char*) (&src.val()), p.run_length() * data_size); 00121 } 00122 } 00123 00124 } // end of namespace mln::io::dump::internal 00125 00126 00127 00128 // Facade 00129 00130 template <typename I> 00131 void save(const Image<I>& ima_, const std::string& filename) 00132 { 00133 trace::entering("mln::io::dump::save"); 00134 00135 const I& ima = exact(ima_); 00136 00137 std::ofstream file(filename.c_str()); 00138 if (! file) 00139 { 00140 std::cerr << "error: cannot open file '" << filename << "'!"; 00141 abort(); 00142 } 00143 00144 internal::save_header(ima, file); 00145 internal::save_data(ima, file); 00146 00147 00148 file.close(); 00149 00150 trace::exiting("mln::io::dump::save"); 00151 } 00152 00153 00154 # endif // ! MLN_INCLUDE_ONLY 00155 00156 } // end of namespace mln::io::dump 00157 00158 } // end of namespace mln::io 00159 00160 } // end of namespace mln 00161 00162 #endif // ! MLN_IO_DUMP_SAVE_HH