Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 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_IO_PNM_SAVE_HEADER_HH 00027 # define MLN_IO_PNM_SAVE_HEADER_HH 00028 00032 00033 # include <iostream> 00034 # include <fstream> 00035 00036 # include <mln/io/pnm/max_component.hh> 00037 00038 # include <mln/value/rgb.hh> 00039 # include <mln/geom/nrows.hh> 00040 # include <mln/geom/ncols.hh> 00041 00042 00043 namespace mln 00044 { 00045 00046 namespace io 00047 { 00048 00049 # ifndef MLN_INCLUDE_ONLY 00050 00051 namespace pnm 00052 { 00053 00054 template <typename V> 00055 inline 00056 void save_max_val(V&, std::ofstream& file) 00057 { 00058 file << max_component(V()) << std::endl; 00059 } 00060 00061 inline 00062 void save_max_val(bool&, std::ofstream&) 00063 { 00064 } 00065 00066 template <typename I> 00067 inline 00068 void save_header(char type, 00069 const I& ima, const std::string& filename, 00070 std::ofstream& file) 00071 { 00072 if (! file) 00073 { 00074 std::cerr << "error: cannot open file '" << filename 00075 << "'!"; 00076 abort(); 00077 } 00078 file << "P" << type << std::endl; 00079 file << "# Generated by Milena 1.0 http://olena.lrde.epita.fr" << std::endl; 00080 file << "# EPITA Research and Development Laboratory (LRDE)" << std::endl; 00081 // We have a two-line comment because xv is buggy for some 00082 // tiny binary images and their workaround is to have such a 00083 // two-line comment... 00084 file << geom::ncols(ima) << ' ' << geom::nrows(ima) << std::endl; 00085 00086 mln_value(I) i; 00087 save_max_val(i, file); 00088 } 00089 00090 } // end of namespace mln::io::pnm 00091 00092 00093 # endif // ! MLN_INCLUDE_ONLY 00094 00095 } // end of namespace mln::io 00096 00097 } // end of namespace mln 00098 00099 00100 #endif // ! MLN_IO_PNM_SAVE_HEADER_HH