[Olena-patches] 1955: Fix threshold testes.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Ugo Jardonnet &lt;jardonnet(a)lrde.epita.fr&gt; Fix threshold testes. * mln/binarization/threshold.hh: Make args more explicit. * tests/binarization/thresholding.cc: Rename as ... * tests/binarization/threshold.cc: ... this. * tests/binarization/Makefile.am: Update makefile rule. mln/binarization/threshold.hh | 6 ++- tests/binarization/Makefile.am | 2 - tests/binarization/threshold.cc | 62 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 67 insertions(+), 3 deletions(-) Index: mln/binarization/threshold.hh --- mln/binarization/threshold.hh (revision 1954) +++ mln/binarization/threshold.hh (working copy) @@ -63,7 +63,7 @@ template <typename I> inline mln_concrete_ch_value(I, bool) - threshold(const Image<I>& input, const mln_value(I) value) + threshold(const Image<I>& input, const mln_value(I) threshold_value) { trace::entering("binarization::threshold"); @@ -73,7 +73,9 @@ mln_concrete_ch_value(I, bool) output(exact(input).domain()); - fun::v2b::threshold< mln_value(I) > f(value); + // FIXME : threshold value should be a percentage. + fun::v2b::threshold< mln_value(I) > f(threshold_value); + output = binarization::binarization(exact(input), f); trace::exiting("binarization::threshold"); Index: tests/binarization/Makefile.am --- tests/binarization/Makefile.am (revision 1954) +++ tests/binarization/Makefile.am (working copy) @@ -5,6 +5,6 @@ check_PROGRAMS = \ thresholding -thresholding_SOURCES = thresholding.cc +threshold_SOURCES = threshold.cc TESTS = $(check_PROGRAMS) Index: tests/binarization/threshold.cc --- tests/binarization/threshold.cc (revision 0) +++ tests/binarization/threshold.cc (revision 0) @@ -0,0 +1,62 @@ +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +/// \file tests/binarization/thresholding.cc +/// \brief Test on mln::binarization::threshold. + +#include <mln/core/image2d.hh> +#include <mln/binarization/threshold.hh> +#include <mln/level/all.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/ppm/load.hh> +#include <mln/io/pbm/save.hh> + +#include "tests/data.hh" + +int main(int argc, char **) +{ + using namespace mln; + using value::int_u8; + + { + image2d<int_u8> lena; + io::pgm::load(lena, MLN_IMG_DIR "lena.pgm"); + + io::pbm::save(binarization::threshold(lena, 50), "out1.pgm"); + } + + { + image2d<int_u8> l; + image2d<int> lena; + io::pgm::load(l, MLN_IMG_DIR "img/lena.pgm"); + + level::paste(l, lena); + + io::pbm::save(binarization::threshold(lena, 50), "out2.pgm"); + } +}