Milena (Olena)
User documentation 2.0a Id
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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_WIN_RECTANGLE2D_HH 00027 # define MLN_WIN_RECTANGLE2D_HH 00028 00034 00035 # include <mln/core/internal/classical_window_base.hh> 00036 # include <mln/core/alias/dpoint2d.hh> 00037 # include <mln/core/def/coord.hh> 00038 00039 00040 namespace mln 00041 { 00042 00043 mln_internal_add_classical_window_trait(rectangle2d); 00044 00045 00046 namespace win 00047 { 00048 00064 struct rectangle2d : public internal::classical_window_base< dpoint2d, rectangle2d > 00065 { 00073 rectangle2d(unsigned height, unsigned width); 00074 00075 00077 unsigned height() const; 00078 00080 unsigned width() const; 00081 00083 unsigned area() const; 00084 00088 unsigned delta_() const; 00089 00090 00092 const std::vector<dpoint2d>& std_vector() const; 00093 00094 void print_(std::ostream& ostr) const; 00095 00096 protected: 00097 00098 unsigned height_, width_; 00099 }; 00100 00101 00102 00103 # ifndef MLN_INCLUDE_ONLY 00104 00105 inline 00106 rectangle2d::rectangle2d(unsigned height, unsigned width) 00107 : height_(height), 00108 width_(width) 00109 { 00110 mln_precondition(height % 2 == 1 && width % 2 == 1); 00111 const def::coord drow = (def::coord) (height / 2); 00112 const def::coord dcol = (def::coord) (width / 2); 00113 00114 for (def::coord row = (def::coord) -drow; row <= drow; ++row) 00115 for (def::coord col = (def::coord) -dcol; col <= dcol; ++col) 00116 this->insert(dpoint2d(row, col)); 00117 } 00118 00119 inline 00120 unsigned rectangle2d::height() const 00121 { 00122 return height_; 00123 } 00124 00125 inline 00126 unsigned rectangle2d::width() const 00127 { 00128 return width_; 00129 } 00130 00131 inline 00132 unsigned rectangle2d::area() const 00133 { 00134 return width_ * height_; 00135 } 00136 00137 inline 00138 unsigned rectangle2d::delta_() const 00139 { 00140 return width_ > height_ ? width_ / 2 : height_ / 2; 00141 } 00142 00143 inline 00144 const std::vector<dpoint2d>& 00145 rectangle2d::std_vector() const 00146 { 00147 return win_.std_vector(); 00148 } 00149 00150 inline 00151 void 00152 rectangle2d::print_(std::ostream& ostr) const 00153 { 00154 ostr << "[rectangle2d: width=" << width_ << ", height=" << height_ << ']'; 00155 } 00156 00157 # endif // ! MLN_INCLUDE_ONLY 00158 00159 } // end of namespace mln::win 00160 00161 } // end of namespace mln 00162 00163 00164 00165 // When rectangle2d is involved, one surely also wants: 00166 # include <mln/win/hline2d.hh> 00167 # include <mln/win/vline2d.hh> 00168 00169 00170 #endif // ! MLN_WIN_RECTANGLE2D_HH