Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2008, 2009, 2010, 2011 EPITA Research and Development 00002 // Laboratory (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #ifndef MLN_IO_FLD_MAX_COMPONENTS_HH 00028 # define MLN_IO_FLD_MAX_COMPONENTS_HH 00029 00034 00035 # include <mln/algebra/vec.hh> 00036 # include <mln/value/rgb.hh> 00037 # include <mln/io/fld/header.hh> 00038 00039 namespace mln 00040 { 00041 00042 namespace io 00043 { 00044 00045 namespace fld 00046 { 00047 00048 template <typename V> 00049 inline 00050 unsigned max_component(const V&); 00051 00052 template <unsigned n, typename V> 00053 inline 00054 unsigned max_component(const algebra::vec<n, V>& v); 00055 00056 template <unsigned n> 00057 inline 00058 unsigned max_component(const value::rgb<n>&); 00059 00060 inline 00061 unsigned max_component(const fld::data_type::E& t); 00062 00063 # ifndef MLN_INCLUDE_ONLY 00064 00065 template <typename V> 00066 inline 00067 unsigned max_component(const V&) 00068 { 00069 return unsigned(mln_max(V)); 00070 } 00071 00072 00073 template <unsigned n, typename V> 00074 inline 00075 unsigned max_component(const algebra::vec<n, V>& v) 00076 { 00077 (void) v; 00078 return unsigned(mln_max(V)); 00079 } 00080 00081 template <unsigned n> 00082 inline 00083 unsigned max_component(const value::rgb<n>&) 00084 { 00085 return mln_max(mln::value::int_u<n>); 00086 } 00087 00088 inline 00089 unsigned max_component(const fld::data_type::E& t) 00090 { 00091 switch (t) 00092 { 00093 case data_type::BYTE: return mln_max(unsigned char); 00094 case data_type::SHORT: return mln_max(unsigned short); 00095 case data_type::INTEGER: return mln_max(unsigned); 00096 case data_type::FLOAT: return unsigned(mln_max(float)); 00097 case data_type::DOUBLE: return unsigned(mln_max(double)); 00098 default: return 0; 00099 } 00100 } 00101 00102 # endif // ! MLN_INCLUDE_ONLY 00103 } 00104 00105 } 00106 00107 } 00108 00109 #endif // !MLN_IO_FLD_MAX_COMPONENTS_HH