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to_qimage.cc

00001 // Copyright (C) 2010 EPITA Research and Development Laboratory (LRDE)
00002 //
00003 // This file is part of Olena.
00004 //
00005 // Olena is free software: you can redistribute it and/or modify it under
00006 // the terms of the GNU General Public License as published by the Free
00007 // Software Foundation, version 2 of the License.
00008 //
00009 // Olena is distributed in the hope that it will be useful,
00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012 // General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with Olena.  If not, see <http://www.gnu.org/licenses/>.
00016 //
00017 // As a special exception, you may use this file as part of a free
00018 // software project without restriction.  Specifically, if other files
00019 // instantiate templates or use macros or inline functions from this
00020 // file, or you compile this file and link it with other files to produce
00021 // an executable, this file does not by itself cause the resulting
00022 // executable to be covered by the GNU General Public License.  This
00023 // exception does not however invalidate any other reasons why the
00024 // executable file might be covered by the GNU General Public License.
00025 
00029 
00030 #include <QtGui/QtGui>
00031 #include <QColor>
00032 
00033 #include "tests/data.hh"
00034 
00035 #include <mln/core/image/image2d.hh>
00036 #include <mln/value/rgb8.hh>
00037 #include <mln/value/int_u8.hh>
00038 #include <mln/io/ppm/load.hh>
00039 #include <mln/io/pgm/load.hh>
00040 #include <mln/data/convert.hh>
00041 
00042 #include <mln/convert/to_qimage.hh>
00043 
00044 
00045 int main()
00046 {
00047   using namespace mln;
00048 
00049   {
00050     image2d<value::int_u8> input;
00051     io::pgm::load(input, MLN_IMG_DIR "/picasso.pgm");
00052     QImage test = convert::to_qimage(input);
00053     QImage refpix(MLN_IMG_DIR "/picasso.pgm");
00054 
00055     // Do NOT use operator== since it compares the raw buffer and
00056     // padding data is not initialized by Qt...
00057     for (int row = 0; row < test.height(); ++row)
00058       for (int col = 0; col < test.width(); ++col)
00059         mln_assertion(refpix.pixel(col, row) == test.pixel(col, row));
00060   }
00061 
00062   {
00063     image2d<value::rgb8> input;
00064     io::ppm::load(input, MLN_IMG_DIR "/picasso.ppm");
00065     QImage test = convert::to_qimage(input);
00066     QImage refpix(MLN_IMG_DIR "/picasso.ppm");
00067 
00068     test = test.convertToFormat(refpix.format());
00069 
00070     // Do NOT use operator== since it compares the raw buffer and
00071     // padding data is not initialized by Qt...
00072     for (int row = 0; row < test.height(); ++row)
00073       for (int col = 0; col < test.width(); ++col)
00074         mln_assertion(refpix.pixel(col, row) == test.pixel(col, row));
00075   }
00076 }

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