00001 // Copyright (C) 2001, 2002, 2003, 2004 EPITA Research and Development Laboratory 00002 // 00003 // This file is part of the Olena Library. This library is free 00004 // software; you can redistribute it and/or modify it under the terms 00005 // of the GNU General Public License version 2 as published by the 00006 // Free Software Foundation. 00007 // 00008 // This library is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00011 // General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this library; see the file COPYING. If not, write to 00015 // the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00016 // Boston, MA 02110-1301, USA. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software library 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 00022 // produce an executable, this file does not by itself cause the 00023 // resulting executable to be covered by the GNU General Public 00024 // License. This exception does not however invalidate any other 00025 // reasons why the executable file might be covered by the GNU General 00026 // Public License. 00027 00028 #ifndef OLENA_CORE_DPOINT2D_HH 00029 # define OLENA_CORE_DPOINT2D_HH 00030 00031 # include <oln/core/coord.hh> 00032 # include <oln/core/abstract/dpoint.hh> 00033 # include <iostream> 00034 00035 namespace oln { 00036 00037 // fwd decl 00038 class point2d; 00039 class dpoint2d; 00040 00041 00042 00048 template<> 00049 struct dpoint_traits<dpoint2d>: public 00050 dpoint_traits<abstract::dpoint<dpoint2d> > 00051 { 00052 enum { dim = 2 }; 00053 typedef point2d point_type; 00054 }; 00055 00068 class dpoint2d : public abstract::dpoint< dpoint2d > 00069 { 00070 00071 public: 00072 00073 typedef abstract::dpoint< dpoint2d > super_type; 00074 00075 friend class abstract::dpoint< dpoint2d >; 00076 00077 dpoint2d(); 00078 00080 00081 dpoint2d(coord row, coord col); 00082 00084 explicit dpoint2d(const point2d& p); 00085 00087 00088 coord 00089 row() const; 00090 00092 00093 coord& 00094 row(); 00095 00097 00098 coord 00099 col() const; 00100 00102 00103 coord& 00104 col(); 00105 00106 static std::string 00107 name() 00108 { 00109 return "dpoint2d"; 00110 } 00111 00112 protected: 00113 00114 00119 dpoint2d 00120 plus_dp(const dpoint2d& dp) const; 00121 00126 dpoint2d 00127 minus() const; 00128 00129 00134 dpoint2d 00135 minus_dp(const dpoint2d& dp) const; 00136 00141 dpoint2d& 00142 plus_assign_dp(const dpoint2d& dp); 00143 00148 dpoint2d& 00149 minus_assign_dp(const dpoint2d& dp); 00150 00151 }; 00152 00153 namespace internal 00154 { 00160 template<> 00161 struct default_less<dpoint2d> : 00162 public default_less<dpoint2d::super_type> 00163 {}; 00164 } // end of internal 00165 00166 } // end of oln 00167 00169 00170 inline std::ostream& 00171 operator<<(std::ostream& o, const oln::dpoint2d& dp); 00172 00173 # include <oln/core/dpoint2d.hxx> 00174 00175 #endif // OLENA_CORE_DPOINT2D_HH