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foreground.cc
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// Copyright (C) 2007, 2008, 2009, 2010 EPITA Research and Development
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// Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#include <mln/core/image/image2d.hh>
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#include <mln/core/var.hh>
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#include <mln/io/pbm/load.hh>
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#include <mln/core/alias/neighb2d.hh>
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#include <mln/data/compare.hh>
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#include <mln/labeling/foreground.hh>
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#include "tests/data.hh"
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int
main()
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{
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using namespace
mln;
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typedef
image2d<bool>
I;
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neighb2d
nbh =
c4
();
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I pic =
io::pbm::load
(MLN_IMG_DIR
"/picasso.pbm"
);
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image2d<unsigned>
out, ref;
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unsigned
n;
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out =
labeling::foreground
(pic, nbh, n);
// Calls the fastest 'video'
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// version.
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mln_assertion(n == 33);
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{
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// Note that labeling::foreground actually is labeling::value
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// which calls canvas::labeling_video and its generic dispatch
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// leads to canvas::impl::generic::labeling.
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labeling::impl::value_functor<I,unsigned> f(pic,
true
);
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unsigned
n_;
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ref = canvas::labeling::impl::generic::labeling(pic, nbh, n_,
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pic.domain(),
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f);
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mln_invariant(n_ == n);
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mln_invariant(ref == out);
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}
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}
tests
labeling
foreground.cc
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