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00027 #ifndef MLN_CORE_ALIAS_DPOINT2D_HH
00028 # define MLN_CORE_ALIAS_DPOINT2D_HH
00029
00034
00035 # include <mln/core/dpoint.hh>
00036 # include <mln/core/def/coord.hh>
00037
00038
00039 namespace mln
00040 {
00041
00044 typedef dpoint<mln::grid::square, mln::def::coord> dpoint2d;
00045
00046
00047 }
00048
00049
00050 # include <mln/core/alias/point2d.hh>
00051
00052 namespace mln
00053 {
00054
00057
00058 extern const dpoint2d up;
00059 extern const dpoint2d down;
00060 extern const dpoint2d left;
00061 extern const dpoint2d right;
00062
00063 extern const dpoint2d up_left;
00064 extern const dpoint2d up_right;
00065 extern const dpoint2d down_left;
00066 extern const dpoint2d down_right;
00067
00069
00070
00071
00072 # ifndef MLN_INCLUDE_ONLY
00073
00074 # ifndef MLN_WO_GLOBAL_VARS
00075
00076 const dpoint2d up = dpoint2d( -1, 0 );
00077 const dpoint2d down = dpoint2d( +1, 0 );
00078 const dpoint2d left = dpoint2d( 0, -1 );
00079 const dpoint2d right = dpoint2d( 0, +1 );
00080
00081 const dpoint2d up_left = dpoint2d( -1, -1 );
00082 const dpoint2d up_right = dpoint2d( -1, +1 );
00083 const dpoint2d down_left = dpoint2d( +1, -1 );
00084 const dpoint2d down_right = dpoint2d( +1, +1 );
00085
00086 # endif // !MLN_WO_GLOBAL_VARS
00087
00088 # endif // ! MLN_INCLUDE_ONLY
00089
00090
00091 }
00092
00093
00094 #endif // ! MLN_CORE_ALIAS_DPOINT2D_HH