26 #include <mln/core/image/image2d.hh>
27 #include <mln/core/alias/window2d.hh>
28 #include <mln/core/site_set/p_if.hh>
29 #include <mln/fun/p2b/chess.hh>
30 #include <mln/data/compare.hh>
32 #include <mln/convert/to_image.hh>
33 #include <mln/convert/to.hh>
51 window2d win_X = convert::to<window2d>(X);