[Olena-patches] 2997: Add test for big_chess.

https://svn.lrde.epita.fr/svn/oln/trunk/milena/sandbox Index: ChangeLog from Ugo Jardonnet &lt;ugo.jardonnet(a)lrde.epita.fr&gt; Add test for big_chess. * jardonnet/test/big_chess.cc: Here. big_chess.cc | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) Index: jardonnet/test/big_chess.cc --- jardonnet/test/big_chess.cc (revision 0) +++ jardonnet/test/big_chess.cc (revision 0) @@ -0,0 +1,71 @@ + +#include <iostream> + +# include <mln/core/image/sub_image_if.hh> +# include <mln/core/image/image_if.hh> + +#include <mln/debug/println.hh> + +#include <mln/core/image/image2d.hh> +#include <mln/value/int_u8.hh> +#include <mln/io/pgm/load.hh> +#include <mln/level/paste.hh> +#include <mln/io/pgm/save.hh> + +#include <mln/fun/p2b/big_chess.hh> + +using namespace mln; +using namespace mln::value; + +bool usage(int argc, char ** argv) +{ + if (argc != 3) + { + std::cout << argv[0] << " ima1.pgm ima2.pgm" << std::endl; + return false; + } + return true; +} + + +template <typename B> +struct is_ima2_t : Function_p2b< is_ima2_t<B> > +{ + is_ima2_t(const B& box, const unsigned div) + : box(box), div(div) + { + } + + typedef bool result; + bool operator()(const point2d& p) const + { + return !(p.row() / ((box.pmax().row() - 1) / div) % 2) && + !(p.col() / ((box.pmax().row()-1) / div) % 2); + } + + const B& box; + const unsigned div; +}; + +int main(int argc, char ** argv) +{ + if (not usage(argc,argv)) + return 1; + + typedef image2d<int_u8> I; + + I ima1; + I ima2; + io::pgm::load(ima1, argv[1]); + io::pgm::load(ima2, argv[2]); + + fun::p2b::big_chess<box2d> fun(ima1.domain(), 4); + + image_if< I, fun::p2b::big_chess<box2d> > visio = ima1 | fun; + + debug::println(visio); + + level::paste(visio, ima2); + + io::pgm::save(ima2, "out.ppm"); +}