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_SHIFT_HH 00027 # define MLN_WIN_SHIFT_HH 00028 00032 00033 # include <mln/core/window.hh> 00034 00035 00036 00037 namespace mln 00038 { 00039 00040 namespace win 00041 { 00042 00044 template <typename W> 00045 mln_regular(W) 00046 shift(const Window<W>& win, const mln_dpsite(W)& dp); 00047 00048 00049 # ifndef MLN_INCLUDE_ONLY 00050 00051 namespace impl 00052 { 00053 00054 template <typename W> 00055 inline 00056 mln_regular(W) 00057 shift_(trait::window::definition::unique, 00058 const W& win, const mln_dpsite(W)& dp) 00059 { 00060 mlc_is(mln_trait_window_size(W), 00061 trait::window::size::fixed)::check(); 00062 mln_regular(W) tmp; 00063 unsigned n = win.size(); 00064 for (unsigned i = 0; i < n; ++i) 00065 tmp.insert(win.dp(i) + dp); 00066 return tmp; 00067 } 00068 00069 template <typename W> 00070 inline 00071 mln_regular(W) 00072 shift_(trait::window::definition::multiple, 00073 const W& win, const mln_dpsite(W)& dp) 00074 { 00075 mln_regular(W) tmp(win.function()); 00076 const unsigned nw = win.nwindows(); 00077 for (unsigned w = 0; w < nw; ++w) 00078 tmp.set_window(w, win::shift(win.window(w), dp)); 00079 return tmp; 00080 } 00081 00082 } // end of namespace mln::win::impl 00083 00084 00085 // Facade. 00086 template <typename W> 00087 inline 00088 mln_regular(W) 00089 shift(const Window<W>& win, const mln_dpsite(W)& dp) 00090 { 00091 trace::entering("win::shift"); 00092 00093 mlc_is(mln_trait_window_support(W), 00094 trait::window::support::regular)::check(); 00095 mlc_is_not(mln_trait_window_definition(W), 00096 trait::window::definition::varying)::check(); 00097 00098 mln_regular(W) tmp = impl::shift_(mln_trait_window_definition(W)(), 00099 exact(win), dp); 00100 00101 trace::exiting("win::shift"); 00102 return tmp; 00103 } 00104 00105 # endif // ! MLN_INCLUDE_ONLY 00106 00107 } // end of namespace mln::win 00108 00109 } // end of namespace mln 00110 00111 00112 #endif // ! MLN_WIN_SHIFT_HH