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User documentation 2.1
An Image Processing Platform
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connectivity_number_2d.hh
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// Copyright (C) 2011 EPITA Research and Development 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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#ifndef MLN_TOPO_CONNECTIVITY_NUMBER_2D_HH
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# define MLN_TOPO_CONNECTIVITY_NUMBER_2D_HH
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# include <mln/core/concept/image.hh>
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# include <mln/core/alias/neighb2d.hh>
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# include <mln/value/int_u8.hh>
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// FIXME: This file includes the routine mln::connectivity_number_2d,
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// which should be moved into its own file.
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# include <mln/topo/is_simple_2d.hh>
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// FIXME: This implementation used the LUT-based (mask-based)
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// computation of 2D connectivity numbers, which may is fast but may
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// be inexact on the border of an image. We shoud rename these
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// routines with a `_fast' suffix.
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namespace
mln
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{
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namespace
topo
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{
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typedef
mln::value::int_u8
conn_number_t
;
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template
<
typename
I>
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conn_number_t
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connectivity_number_2d_c4
(
const
Image<I>
& ima,
const
mln_psite(I)&
p
,
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bool
ref_val);
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template
<
typename
I>
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conn_number_t
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connectivity_number_2d_c8
(
const
Image<I>
& ima,
const
mln_psite(I)&
p
,
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bool
ref_val);
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
I>
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conn_number_t
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connectivity_number_2d_c4
(
const
Image<I>
& ima,
const
mln_psite(I)&
p
,
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bool
ref_val)
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{
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// Create a copy of mln::c4()'s own neighborhood to avoid
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// thread-unsafe accesses to this neighborhood.
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neighb2d
nbh =
c4
();
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return
connectivity_number_2d
(ima, nbh, p, ref_val);
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}
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template
<
typename
I>
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conn_number_t
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connectivity_number_2d_c8
(
const
Image<I>
& ima,
const
mln_psite(I)&
p
,
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bool
ref_val)
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{
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// Create a copy of mln::c8()'s own neighborhood to avoid
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// thread-unsafe accesses to this neighborhood.
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neighb2d
nbh =
c8
();
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return
connectivity_number_2d
(ima, nbh, p, ref_val);
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}
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# endif // MLN_INCLUDE_ONLY
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}
// end of namespace mln::topo
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}
// end of namespace mln
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#endif // ! MLN_TOPO_CONNECTIVITY_NUMBER_2D_HH
mln
topo
connectivity_number_2d.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)