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dpoint2d.hh
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development
2 // Laboratory (LRDE)
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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 
45 
46 
47 } // end of namespace mln
48 
49 
50 # include <mln/core/alias/point2d.hh>
51 
52 namespace mln
53 {
54 
57 
58  extern const dpoint2d up;
59  extern const dpoint2d down;
60  extern const dpoint2d left;
61  extern const dpoint2d right;
62 
63  extern const dpoint2d up_left;
64  extern const dpoint2d up_right;
65  extern const dpoint2d down_left;
66  extern const dpoint2d down_right;
67 
69 
70 
71 
72 # ifndef MLN_INCLUDE_ONLY
73 
74 # ifndef MLN_WO_GLOBAL_VARS
75 
76  const dpoint2d up = dpoint2d( -1, 0 );
77  const dpoint2d down = dpoint2d( +1, 0 );
78  const dpoint2d left = dpoint2d( 0, -1 );
79  const dpoint2d right = dpoint2d( 0, +1 );
80 
81  const dpoint2d up_left = dpoint2d( -1, -1 );
82  const dpoint2d up_right = dpoint2d( -1, +1 );
83  const dpoint2d down_left = dpoint2d( +1, -1 );
84  const dpoint2d down_right = dpoint2d( +1, +1 );
85 
86 # endif // !MLN_WO_GLOBAL_VARS
87 
88 # endif // ! MLN_INCLUDE_ONLY
89 
90 
91 } // end of namespace mln
92 
93 
94 #endif // ! MLN_CORE_ALIAS_DPOINT2D_HH