[Olena-patches] 2091: Add image conversion to p_array.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Ugo Jardonnet &lt;ugo.jardonnet(a)lrde.epita.fr&gt; Add image conversion to p_array. * mln/convert/to_p_array.hh (to_p_array): Add. to_p_array.hh | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) Index: mln/convert/to_p_array.hh --- mln/convert/to_p_array.hh (revision 2091) +++ mln/convert/to_p_array.hh (working copy) @@ -52,6 +52,11 @@ p_array<mln_psite(W)> to_p_array(const Window<W>& win, const mln_psite(W)& p); + /// Convert an image \p img into a p_array. + template <typename I> + p_array<mln_point(I)> + to_p_array(const Image<I>& img); + # ifndef MLN_INCLUDE_ONLY @@ -83,6 +88,23 @@ return v; } + template <typename I> + inline + p_array<mln_point(I)> + to_p_array(const Image<I>& img_) + { + const I& img = exact(img_); + + p_array<mln_point(I)> a; + + mln_piter(I) p(img.domain()); + for_all(p) + if (img(p)) + a.append(p); + + return a; + } + # endif // ! MLN_INCLUDE_ONLY } // end of namespace mln::convert