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/* -*- mia-c++ -*-
*
* This file is part of MIA - a toolbox for medical image analysis
* Copyright (c) Leipzig, Madrid 1999-2016 Gert Wollny
*
* MIA is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 MIA; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include <mia/core.hh>
#include <mia/2d.hh>
#include <mia/2d/transformio.hh>
NS_MIA_USE
using namespace boost;
using namespace std;
const SProgramDescription g_description = {
{pdi_group, "Registration, Comparison, and Transformation of 2D images"},
{pdi_short, "Transform a 2D image."},
{pdi_description, "This program is used to deform a 2D image using a given transformation."},
{pdi_example_descr, "Transform an image input.png by the transfromation stored in trans.v "
"by using linear interpolation and zero boundary conditions and store the result in output.png"},
{pdi_example_code, "-i input.png -t trans.v -o output.png -p bspline:d=1 -b zero"},
};
int do_main(int argc, char **argv)
{
CCmdOptionList options(g_description);
string src_filename;
string out_filename;
string trans_filename;
string interpolator_kernel;
string interpolator_bc("mirror");
const auto& imageio = C2DImageIOPluginHandler::instance();
options.add(make_opt( src_filename, "in-file", 'i', "input image", CCmdOptionFlags::required_input, &imageio));
options.add(make_opt( out_filename, "out-file", 'o', "output image", CCmdOptionFlags::required_output, &imageio));
options.add(make_opt( trans_filename, "transformation", 't', "transformation file name",
CCmdOptionFlags::required_input, &C2DTransformationIOPluginHandler::instance()));
options.add(make_opt( interpolator_kernel, "interpolator", 'p', "override the interpolator provided by the transformation"));
options.add(make_opt( interpolator_bc, "boundary", 'b', "override the boundary conditions provided by the transformation."
" This is only used if the interpolator is overridden."));
if (options.parse(argc, argv) != CCmdOptionList::hr_no)
return EXIT_SUCCESS;
auto source = imageio.load(src_filename);
auto transformation = C2DTransformationIOPluginHandler::instance().load(trans_filename);
if (!source || source->size() < 1) {
cerr << "no image found in " << src_filename << "\n";
return EXIT_FAILURE;
}
if (!transformation) {
cerr << "no transformation field found in " << trans_filename << "\n";
return EXIT_FAILURE;
}
if (!interpolator_kernel.empty()) {
cvdebug() << "override the interpolator by '"
<< interpolator_kernel << "' and boundary conditions '"
<< interpolator_bc << "'\n";
C2DInterpolatorFactory ipf(interpolator_kernel, interpolator_bc);
transformation->set_interpolator_factory(ipf);
}
for (auto i = source->begin(); i != source->end(); ++i)
*i = (*transformation)(**i);
if ( !imageio.save(out_filename, *source) ){
string not_save = ("unable to save result to ") + out_filename;
throw runtime_error(not_save);
};
return EXIT_SUCCESS;
}
#include <mia/internal/main.hh>
MIA_MAIN(do_main);
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