Milena (Olena)
User documentation 2.0a Id
|
00001 // Copyright (C) 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_WORLD_INTER_PIXEL_DIM2_MAKE_EDGE_IMAGE_HH 00027 # define MLN_WORLD_INTER_PIXEL_DIM2_MAKE_EDGE_IMAGE_HH 00028 00032 00033 # include <mln/core/image/dmorph/extension_ima.hh> 00034 # include <mln/core/image/dmorph/image_if.hh> 00035 00036 # include <mln/core/routine/extend.hh> 00037 00038 # include <mln/world/inter_pixel/neighb2d.hh> 00039 # include <mln/world/inter_pixel/dim2/is_edge.hh> 00040 # include <mln/data/fill.hh> 00041 00042 namespace mln 00043 { 00044 00045 namespace world 00046 { 00047 00048 namespace inter_pixel 00049 { 00050 00051 namespace dim2 00052 { 00053 00054 template <typename I, typename F> 00055 mln_concrete(I) 00056 make_edge_image(const Image<I>& input_, const Function_vv2v<F>& f_) 00057 { 00058 trace::entering("world::inter_pixel::dim2::make_edge_image"); 00059 00060 const I& input = exact(input_); 00061 const F& f = exact(f_); 00062 mln_precondition(input.is_valid()); 00063 00064 typedef image_if<const image2d<value::int_u<8u> >, 00065 world::inter_pixel::dim2::is_edge> edges_t; 00066 edges_t edges = input | is_edge(); 00067 typedef extension_ima<const edges_t,const I> edges_ext_t; 00068 edges_ext_t edges_ext = extend(edges, input); 00069 00070 mln_piter(edges_ext_t) p(edges_ext.domain()); 00071 dbl_neighb2d nbh = e2v(); 00072 mln_niter(dbl_neighb2d) n(nbh, p); 00073 mln_value(I) vs[2]; 00074 00075 mln_concrete(I) output; 00076 initialize(output, input); 00077 data::fill(output, literal::zero); 00078 00079 for_all(p) 00080 { 00081 unsigned i = 0; 00082 for_all(n) 00083 { 00084 mln_assertion(i < 2); 00085 vs[i++] = input(n); 00086 } 00087 output(p) = f(vs[0], vs[1]); 00088 } 00089 00090 trace::exiting("world::inter_pixel::dim2::make_edge_image"); 00091 return output; 00092 } 00093 00094 } // end of namespace mln::world::inter_pixel::dim2 00095 00096 } // end of namespace mln::world::inter_pixel 00097 00098 } // end of namespace mln::world 00099 00100 } // end of namespace mln 00101 00102 #endif // ! MLN_WORLD_INTER_PIXEL_DIM2_MAKE_EDGE_IMAGE_HH