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Olena
User documentation 2.1
An Image Processing Platform
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rotate_90.cc
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// Copyright (C) 2010, 2013 EPITA Research and Development Laboratory
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// (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/value/rgb8.hh>
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#include <mln/io/magick/load.hh>
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#include <mln/io/ppm/save.hh>
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#include <mln/util/timer.hh>
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#include <scribo/debug/usage.hh>
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#include <scribo/preprocessing/rotate_90.hh>
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const
char
*args_desc[][2] =
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{
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{
"input.*"
,
"An image."
},
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{
"output.ppm"
,
"A rotated image."
},
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{
"positive"
,
"if set to 1, performs a +90 rotation; -90 otherwise. "
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"(default: 0)"
},
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{0, 0}
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};
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int
main(
int
argc,
char
*argv[])
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{
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using namespace
mln;
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if
(argc != 3 && argc != 4)
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return
scribo::debug::usage
(argv,
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"Fast +90/-90 rotation"
,
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"input.* output.ppm <positive>"
,
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args_desc);
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typedef
image2d<value::rgb8>
I;
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I ima;
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io::magick::load
(ima, argv[1]);
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bool
positive
=
false
;
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if
(argc >= 4)
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positive
= (atoi(argv[3]) != 0);
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mln::util::timer
t;
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t.
start
();
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image2d<value::rgb8>
out =
scribo::preprocessing::rotate_90
(ima, positive);
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t.stop();
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std::cout << t << std::endl;
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io::ppm::save
(out, argv[2]);
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}
scribo
src
preprocessing
rotate_90.cc
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)