00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026 #ifndef MLN_WORLD_INTER_PIXEL_NEIGHB2D_HH
00027 # define MLN_WORLD_INTER_PIXEL_NEIGHB2D_HH
00028
00031
00032 # include <mln/core/alias/neighb2d.hh>
00033 # include <mln/make/double_neighb2d.hh>
00034 # include <mln/world/inter_pixel/dim2/is_row_odd.hh>
00035
00036
00037 namespace mln
00038 {
00039
00040 namespace world
00041 {
00042
00043 namespace inter_pixel
00044 {
00045
00047 typedef win::multiple<window2d, dim2::is_row_odd> dbl_window2d;
00048
00050 typedef neighb< dbl_window2d > dbl_neighb2d;
00051
00052
00054 const neighb2d& v2v();
00055
00057 const neighb2d& v2e();
00058
00060 const dbl_neighb2d& e2v();
00061
00063 const dbl_neighb2d& e2e();
00064
00065
00066
00067 # ifndef MLN_INCLUDE_ONLY
00068
00069 const neighb2d& v2v()
00070 {
00071 static neighb2d it;
00072 if (it.size() == 0)
00073 {
00074 static const bool vals[] = { 0, 0, 1, 0, 0,
00075 0, 0, 0, 0, 0,
00076 1, 0, 0, 0, 1,
00077 0, 0, 0, 0, 0,
00078 0, 0, 1, 0, 0 };
00079 convert::from_to(vals, it);
00080 }
00081 return it;
00082 }
00083
00084 const neighb2d& v2e()
00085 {
00086 return c4();
00087 }
00088
00089 const dbl_neighb2d& e2v()
00090 {
00091 static const bool e2v_h[] = { 0, 1, 0,
00092 0, 0, 0,
00093 0, 1, 0 };
00094
00095 static const bool e2v_v[] = { 0, 0, 0,
00096 1, 0, 1,
00097 0, 0, 0 };
00098
00099 static dbl_neighb2d nbh =
00100 make::double_neighb2d(dim2::is_row_odd(), e2v_h, e2v_v);
00101 return nbh;
00102 }
00103
00104
00105
00106 const dbl_neighb2d& e2e()
00107 {
00108 static const bool e2e_h[] = { 0, 0, 1, 0, 0,
00109 0, 1, 0, 1, 0,
00110 0, 0, 0, 0, 0,
00111 0, 1, 0, 1, 0,
00112 0, 0, 1, 0, 0 };
00113
00114 static const bool e2e_v[] = { 0, 0, 0, 0, 0,
00115 0, 1, 0, 1, 0,
00116 1, 0, 0, 0, 1,
00117 0, 1, 0, 1, 0,
00118 0, 0, 0, 0, 0 };
00119
00120 static dbl_neighb2d nbh =
00121 make::double_neighb2d(dim2::is_row_odd(), e2e_h, e2e_v);
00122 return nbh;
00123 }
00124
00125 # endif // ! MLN_INCLUDE_ONLY
00126
00127
00128 }
00129
00130 }
00131
00132 }
00133
00134 #endif // ! MLN_WORLD_INTER_PIXEL_NEIGHB2D_HH