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User documentation 2.1
An Image Processing Platform
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backdiag2d.hh
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// Copyright (C) 2007, 2008, 2009 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_WIN_BACKDIAG2D_HH
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# define MLN_WIN_BACKDIAG2D_HH
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# include <mln/core/internal/classical_window_base.hh>
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# include <mln/core/alias/dpoint2d.hh>
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namespace
mln
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{
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mln_internal_add_classical_window_trait
(backdiag2d);
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namespace
win
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{
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struct
backdiag2d
:
public
internal::classical_window_base
< dpoint2d, backdiag2d >
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{
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backdiag2d
(
unsigned
length
);
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unsigned
length
()
const
;
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unsigned
delta_
()
const
;
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void
print_
(std::ostream& ostr)
const
;
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protected
:
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unsigned
length_
;
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};
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# ifndef MLN_INCLUDE_ONLY
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inline
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backdiag2d::backdiag2d
(
unsigned
length)
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: length_(length)
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{
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mln_precondition(length % 2 == 1);
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const
def::coord
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dcol =
static_cast<
def::coord
>
(length / 2),
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minus_dcol = static_cast<def::coord>(- dcol);
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for
(
def::coord
col = minus_dcol; col <= dcol; ++col)
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insert
(
dpoint2d
(col, col));
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}
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inline
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unsigned
backdiag2d::length
()
const
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{
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return
length_
;
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}
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inline
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unsigned
backdiag2d::delta_
()
const
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{
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return
length_
/ 2;
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}
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inline
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void
backdiag2d::print_
(std::ostream& ostr)
const
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{
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ostr <<
"[backdiag 2d: length="
<<
length_
<<
']'
;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::win
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}
// end of namespace mln
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#endif // ! MLN_WIN_BACKDIAG2D_HH
mln
win
backdiag2d.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)