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dpoint2d.hh
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26 
27 #ifndef MLN_CORE_ALIAS_DPOINT2D_HH
28 # define MLN_CORE_ALIAS_DPOINT2D_HH
29 
34 
35 # include <mln/core/dpoint.hh>
36 # include <mln/core/def/coord.hh>
37 
38 
39 namespace mln
40 {
41 
65 
66  typedef dpoint<mln::grid::square, mln::def::coord> dpoint2d;
68 
69 
70 } // end of namespace mln
71 
72 
73 # include <mln/core/alias/point2d.hh>
74 
75 namespace mln
76 {
77 
79  extern const dpoint2d up;
81  extern const dpoint2d down;
83  extern const dpoint2d left;
85  extern const dpoint2d right;
86 
88  extern const dpoint2d up_left;
90  extern const dpoint2d up_right;
92  extern const dpoint2d down_left;
94  extern const dpoint2d down_right;
95 
96 
97 
98 # ifndef MLN_INCLUDE_ONLY
99 
100 # ifndef MLN_WO_GLOBAL_VARS
101 
102  const dpoint2d up = dpoint2d( -1, 0 );
103  const dpoint2d down = dpoint2d( +1, 0 );
104  const dpoint2d left = dpoint2d( 0, -1 );
105  const dpoint2d right = dpoint2d( 0, +1 );
106 
107  const dpoint2d up_left = dpoint2d( -1, -1 );
108  const dpoint2d up_right = dpoint2d( -1, +1 );
109  const dpoint2d down_left = dpoint2d( +1, -1 );
110  const dpoint2d down_right = dpoint2d( +1, +1 );
111 
112 # endif // !MLN_WO_GLOBAL_VARS
113 
114 # endif // ! MLN_INCLUDE_ONLY
115 
116 
117 } // end of namespace mln
118 
119 
120 #endif // ! MLN_CORE_ALIAS_DPOINT2D_HH