[Olena-patches] 4004: Add a directory for demos and a 1st demo.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Thierry Geraud &lt;thierry.geraud(a)lrde.epita.fr&gt; Add a directory for demos and a 1st demo. * mln/core/alias/neighb2d.hh (c6_2d): New. * mln/make/double_neighb2d.hh: Fix sig. * demos: New directory. * demos/genericity: New directory. * demos/genericity/neighborhood.cc: New. demos/genericity/neighborhood.cc | 99 +++++++++++++++++++++++++++++++++++++++ mln/core/alias/neighb2d.hh | 25 +++++++++ mln/make/double_neighb2d.hh | 9 +-- 3 files changed, 127 insertions(+), 6 deletions(-) Index: mln/core/alias/neighb2d.hh --- mln/core/alias/neighb2d.hh (revision 4003) +++ mln/core/alias/neighb2d.hh (working copy) @@ -31,16 +31,17 @@ /// \file mln/core/alias/neighb2d.hh /// -/// Definition of the mln::neighb2d alias and of some classical +/// \brief Definition of the mln::neighb2d alias and of some classical /// 2D neighborhoods. /// /// \todo Add symmetry and non-centering tests in conversion. - # include <cmath> # include <mln/core/alias/window2d.hh> # include <mln/core/neighb.hh> # include <mln/convert/from_to.hh> +# include <mln/make/double_neighb2d.hh> +# include <mln/fun/p2b/chess.hh> namespace mln @@ -122,6 +123,8 @@ + + namespace convert { @@ -199,6 +202,24 @@ } + inline + neighb< win::multiple<window2d, fun::p2b::chess> > + c6_2d() + { + bool vert[] = { 1, 1, 0, + 1, 0, 1, + 0, 1, 1 }; + + bool hori[] = { 0, 1, 1, + 1, 0, 1, + 1, 1, 0 }; + + return make::double_neighb2d(fun::p2b::chess(), + vert, + hori); + } + + namespace convert { Index: mln/make/double_neighb2d.hh --- mln/make/double_neighb2d.hh (revision 4003) +++ mln/make/double_neighb2d.hh (working copy) @@ -1,4 +1,5 @@ -// Copyright (C) 2008 EPITA Research and Development Laboratory (LRDE) +// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory +// (LRDE) // // This file is part of the Milena Library. This library is free // software; you can redistribute it and/or modify it under the terms @@ -30,7 +31,7 @@ /// \file mln/make/double_neighb2d.hh /// -/// Routine to create a double neighborhood. +/// \brief Routine to create a double neighborhood. /// /// \todo Add overload with 'when_*' being Neighborhood<N>... @@ -54,7 +55,7 @@ template <typename F, unsigned St, unsigned Sf> neighb< win::multiple<window2d, F> > - double_neighb2d(F test, + double_neighb2d(const F& test, bool const (&when_true) [St], bool const (&when_false)[Sf]); @@ -79,7 +80,7 @@ template <typename F, unsigned St, unsigned Sf> inline neighb< win::multiple<window2d, F> > - double_neighb2d(F test, + double_neighb2d(const F& test, bool const (&when_true) [St], bool const (&when_false)[Sf]) { Index: demos/genericity/neighborhood.cc --- demos/genericity/neighborhood.cc (revision 0) +++ demos/genericity/neighborhood.cc (revision 0) @@ -0,0 +1,99 @@ +// Copyright (C) 2009 EPITA Research and Development Laboratory (LRDE) +// +// This file is part of the Milena 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 demos/genericity/neighborhood.cc +/// +/// Test on mln::labeling::blobs. + +#include <mln/core/image/image2d.hh> +#include <mln/io/pbm/load.hh> +#include <mln/labeling/blobs.hh> +#include <mln/labeling/colorize.hh> +#include <mln/labeling/flat_zones.hh> +#include <mln/value/rgb8.hh> +#include <mln/io/ppm/save.hh> + +#include <mln/core/alias/neighb2d.hh> +#include <mln/make/dual_neighb.hh> +#include <mln/make/double_neighb2d.hh> +#include <mln/debug/println.hh> + +#include "../../tests/data.hh" + + +template <typename N> +void run(const mln::image2d<bool>& pic, + const N& nbh, + const std::string& filename) +{ + using namespace mln; + using value::rgb8; + unsigned n; + image2d<unsigned> lab = labeling::blobs(pic, nbh, n); + image2d<rgb8> out = labeling::colorize(rgb8(), lab, n); + io::ppm::save(out, filename); +} + + +int main() +{ + using namespace mln; + + image2d<bool> pic = io::pbm::load(MLN_IMG_DIR "/small.pbm"); + + run(pic, c4(), "c4.ppm"); + run(pic, c8(), "c8.ppm"); + + run(pic, c6_2d(), "c6.ppm"); + + { + bool vert[] = { 0, 1, 0, + 0, 0, 0, + 0, 1, 0 }; + + bool hori[] = { 0, 0, 0, + 1, 0, 1, + 0, 0, 0 }; + run(pic, + make::double_neighb2d(fun::p2b::chess(), vert, hori), + "cmy.ppm"); + } + + { + using value::rgb8; + unsigned n; + image2d<unsigned> lab; + lab = labeling::flat_zones(pic, + make::dual_neighb(pic, + c4(), // object + c8()), // background + n); + image2d<rgb8> out = labeling::colorize(rgb8(), lab, n); + io::ppm::save(out, "cdual48.ppm"); + } + +}