/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis
 * Copyright (c) Leipzig, Madrid 1999-2017 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/internal/plugintester.hh>

#include <mia/core/datapool.hh>
#include <mia/2d/transformfactory.hh>
#include <mia/2d/transformio.hh>
#include <mia/2d/filter/transform.hh>


using namespace transform_2dimage_filter;
using namespace mia;

struct TransformFixture {

       TransformFixture();
       P2DImage src;
       C2DBounds size;

       static const float src_image_init[];
       static const float test_image_init[];

};



BOOST_FIXTURE_TEST_CASE( test_2dfilter_transform, TransformFixture )
{
       auto t = BOOST_TEST_create_from_plugin<C2DTransformFilterPluginFactory>("transform:file=transform.@");
       auto transformed = t->filter(src);
       const C2DFImage& r = dynamic_cast<const C2DFImage&>(*transformed);
       BOOST_REQUIRE(r.get_size() == size);
       const float *itest = test_image_init;
       auto ir = r.begin();

       for (size_t y = 0; y < size.y; ++y)
              for (size_t x = 0; x < size.x; ++x, ++ir, ++itest)
                     BOOST_CHECK_EQUAL(*ir, *itest);
}

TransformFixture::TransformFixture():
       size(10, 9)
{
       src.reset((new C2DFImage(size, src_image_init)));
       auto transform_factory = produce_2dtransform_factory("translate:imgkernel=[bspline:d=0]");
       auto transform = transform_factory->create(size);
       auto params = transform->get_parameters();
       params[0] =  1;
       params[1] =  2;
       transform->set_parameters(params);
       save_transform("transform.@", *transform);
}


const float TransformFixture::src_image_init[10 * 9] = {

       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 10, 30, 30, 0, 0, 0,
       0, 0, 0, 0, 50, 50, 50, 0, 0, 0,
       0, 0, 0, 0, 50, 50, 50, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

const float TransformFixture::test_image_init[] = {
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 10, 30, 30, 0, 0,
       0, 0, 0, 0, 0, 50, 50, 50, 0, 0,
       0, 0, 0, 0, 0, 50, 50, 50, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
