* mln/morpho/tree/compute_attribute_image.hh: New.
	* mln/morpho/tree/all.hh: Update.
	* mln/morpho/tree/data.hh (function): New typedef.
	(f): New method.
	* mln/canvas/labeling.hh: Fix indentation.
	Add dispatch.
	* tests/morpho/tree/compute_attribute_image.cc: New.
	* tests/morpho/tree/Makefile.am: Update.
	* doc/examples/tuto_bis.cc (main): Fix missing update.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@2953 4aad255d-cdde-0310-9447-f3009e2ae8c0