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_CORE_CONCEPT_GENERALIZED_PIXEL_HH 00027 # define MLN_CORE_CONCEPT_GENERALIZED_PIXEL_HH 00028 00032 00033 # include <mln/core/concept/object.hh> 00034 # include <mln/core/internal/force_exact.hh> 00035 # include <mln/core/trait/qlf_value.hh> 00036 00037 00038 namespace mln 00039 { 00040 00052 template <typename E> 00053 struct Generalized_Pixel 00054 { 00055 /* 00056 typedef value; 00057 typedef rvalue; 00058 typedef image; // is const or not 00059 00060 rvalue val() const; 00061 image& ima() const; 00062 mln_qlf_value(image)** address_() const; 00063 */ 00064 00065 operator unsigned() const // FIXME: Change to std::size_t 00066 { 00067 const E& it_ = internal::force_exact<E>(*this); 00068 return & it_.val() - & it_.ima().buffer()[0]; 00069 } 00070 00071 protected: 00072 Generalized_Pixel(); 00073 }; 00074 00075 00076 # ifndef MLN_INCLUDE_ONLY 00077 00078 template <typename E> 00079 inline 00080 Generalized_Pixel<E>::Generalized_Pixel() 00081 { 00082 typedef mln_value(E) value; 00083 typedef mln_rvalue(E) rvalue; 00084 00085 rvalue (E::*m1)() const = & E::val; 00086 m1 = 0; 00087 00088 typedef mln_image(E) image; 00089 // FIXME: check "without &" 00090 image& (E::*m2)() const = & E::ima; 00091 m2 = 0; 00092 00093 mln_qlf_value(image)** (E::*m3)() const = & E::address_; 00094 m3 = 0; 00095 } 00096 00097 # endif // ! MLN_INCLUDE_ONLY 00098 00099 } // end of namespace mln 00100 00101 00102 #endif // ! MLN_CORE_CONCEPT_GENERALIZED_PIXEL_HH
1.7.1