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00026 #ifndef MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH
00027 # define MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH
00028
00032
00033 # include <mln/core/concept/browsing.hh>
00034 # include <mln/core/concept/image.hh>
00035
00036 namespace mln
00037 {
00038
00039 namespace canvas
00040 {
00041
00042 namespace browsing
00043 {
00044
00046
00074 struct hyper_directional_t : public Browsing< hyper_directional_t >
00075 {
00076 template <typename F>
00077 void operator()(F& f) const;
00078 };
00079
00080 extern const hyper_directional_t hyper_directional;
00081
00082 # ifndef MLN_INCLUDE_ONLY
00083
00084 const hyper_directional_t hyper_directional;
00085
00086 template <typename F>
00087 inline
00088 void
00089 hyper_directional_t::operator()(F& f) const
00090 {
00091 trace::entering("canvas::browsing::hyper_directional");
00092 mln_precondition(f.dir < f.dim);
00093 typedef typename F::I I;
00094
00095 mln_psite(I)
00096 pmin = f.input.domain().pmin(),
00097 pmax = f.input.domain().pmax();
00098
00099 f.p = pmin;
00100
00101 f.init();
00102
00103 do
00104 {
00105 f.next();
00106
00107 for (int c = F::dim - 1; c >= 0; --c)
00108 {
00109 if (c == int(f.dir))
00110 continue;
00111 if (f.p[c] != pmax[c])
00112 {
00113 ++f.p[c];
00114 break;
00115 }
00116 f.p[c] = pmin[c];
00117 }
00118 } while (f.p != pmin);
00119
00120 f.final();
00121 trace::exiting("canvas::browsing::hyper_directional");
00122 }
00123
00124 # endif // ! MLN_INCLUDE_ONLY
00125
00126 }
00127
00128 }
00129
00130 }
00131
00132 #endif // ! MLN_CANVAS_BROWSING_HYPER_DIRECTIONAL_HH