[Olena-patches] last-svn-commit-424-g6270c8c core/component_set.hh: Add a new internal member valid_comps_image_().

--- scribo/ChangeLog | 5 +++++ scribo/core/component_set.hh | 30 ++++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+), 0 deletions(-) diff --git a/scribo/ChangeLog b/scribo/ChangeLog index 8d151f4..8ae04f3 100644 --- a/scribo/ChangeLog +++ b/scribo/ChangeLog @@ -1,5 +1,10 @@ 2010-08-04 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + * core/component_set.hh: Add a new internal member + valid_comps_image_(). + +2010-08-04 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + * filter/object_groups_with_holes.hh: Fix an invalid mismatch between groups ids and their related component ids and add more comments. diff --git a/scribo/core/component_set.hh b/scribo/core/component_set.hh index ef7ae4e..b8445eb 100644 --- a/scribo/core/component_set.hh +++ b/scribo/core/component_set.hh @@ -43,6 +43,7 @@ # include <mln/accu/shape/bbox.hh> # include <mln/labeling/compute.hh> +# include <mln/labeling/relabel.hh> # include <mln/convert/from_to.hh> @@ -198,6 +199,13 @@ namespace scribo // L& labeled_image_(); + /// Return the underlying labeled image where invalid components + /// have been erased. + /// + /// WARNING: this image is computed on the fly...! + // + mln_concrete(L) valid_comps_image_() const; + /// @} private: @@ -495,6 +503,28 @@ namespace scribo template <typename L> inline + mln_concrete(L) + component_set<L>::valid_comps_image_() const + { + mln::util::array<bool> f(unsigned(this->data_->ncomps_) + 1); + f(0) = true; + + for_all_comps(c, (*this)) + f(c) = (*this)(c).is_valid(); + + mln_value(L) new_ncomps; + mln_concrete(L) + output = mln::labeling::relabel(this->data_->ima_, + this->data_->ncomps_, + new_ncomps, + f); + + return output; + } + + + template <typename L> + inline bool component_set<L>::has_separators() const { -- 1.5.6.5