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/************************************************************************
*
* Copyright (C) 2017-2024 IRCAD France
* Copyright (C) 2017-2020 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Sight 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "image_diff_command_test.hpp"
#include <ui/history/image_diff_command.hpp>
#include <utest_data//generator/image.hpp>
// Registers the fixture into the 'registry'
CPPUNIT_TEST_SUITE_REGISTRATION(sight::ui::history::ut::image_diff_command_test);
namespace sight::ui::history::ut
{
//------------------------------------------------------------------------------
void image_diff_command_test::setUp()
{
}
//------------------------------------------------------------------------------
void image_diff_command_test::tearDown()
{
}
//------------------------------------------------------------------------------
void image_diff_command_test::undoredo_test()
{
const data::image::size_t size = {32, 32, 32};
const data::image::spacing_t spacing = {1., 1., 1.};
const data::image::origin_t origin = {0., 0., 0.};
const data::image::orientation_t orientation = {0.36, 0.48, -0.8, -0.8, 0.6, 0.0, 0.48, 0.64, 0.6};
const core::type type = core::type::UINT8;
const enum data::image::pixel_format_t format = data::image::gray_scale;
data::image::sptr image = std::make_shared<data::image>();
utest_data::generator::image::generate_image(image, size, spacing, origin, orientation, type, format);
const auto dump_lock = image->dump_lock();
filter::image::image_diff diff(image->type().size());
std::uint8_t newvalue = 1;
auto* new_buffer_value = reinterpret_cast<data::image::buffer_t*>(&newvalue);
const std::vector<data::image::index_t> indices = {{51, 10, 8, 123, 1098, 23456, 6, 9999}};
// Add 8 elements to the diff. Write new values to the image.
for(std::size_t i = 0 ; i < 8 ; ++i)
{
const data::image::index_t index = indices[i];
const data::image::buffer_t* pix_buf =
reinterpret_cast<data::image::buffer_t*>(image->get_pixel(index));
diff.add_diff(index, pix_buf, new_buffer_value);
image->set_pixel(index, new_buffer_value);
CPPUNIT_ASSERT_EQUAL(i + 1, diff.num_elements());
CPPUNIT_ASSERT_EQUAL(index, diff.get_element_diff_index(i));
}
// Create an imageDiffCommand to test
ui::history::image_diff_command image_diff_command(image, diff);
// Revert diff. Ensure that the image is the same as before (all values equal to zero).
CPPUNIT_ASSERT(image_diff_command.undo());
for(std::size_t it = 0 ; it < image->size_in_bytes() ; ++it)
{
CPPUNIT_ASSERT_EQUAL(std::uint8_t(0), *reinterpret_cast<std::uint8_t*>(image->get_pixel(it)));
}
// Apply diff. Ensure all values are zero except the ones at the selected indices.
CPPUNIT_ASSERT(image_diff_command.redo());
for(std::size_t i = 0 ; i < image->size_in_bytes() ; ++i)
{
// Check if 'i' is an index
auto index_it = std::find(indices.begin(), indices.end(), i);
if(index_it != indices.end())
{
CPPUNIT_ASSERT_EQUAL(newvalue, *reinterpret_cast<std::uint8_t*>(image->get_pixel(i)));
}
else
{
CPPUNIT_ASSERT_EQUAL(std::uint8_t(0), *reinterpret_cast<std::uint8_t*>(image->get_pixel(i)));
}
}
}
//------------------------------------------------------------------------------
void image_diff_command_test::get_size_test()
{
const data::image::size_t size = {32, 32, 32};
const data::image::spacing_t spacing = {1., 1., 1.};
const data::image::origin_t origin = {0., 0., 0.};
const data::image::orientation_t orientation = {0.36, 0.48, -0.8, -0.8, 0.6, 0.0, 0.48, 0.64, 0.6};
const core::type type = core::type::UINT8;
const enum data::image::pixel_format_t format = data::image::gray_scale;
data::image::sptr image = std::make_shared<data::image>();
utest_data::generator::image::generate_image(image, size, spacing, origin, orientation, type, format);
const auto dump_lock = image->dump_lock();
filter::image::image_diff diff(image->type().size() * 64);
std::uint8_t newvalue = 1;
auto* new_buffer_value = reinterpret_cast<data::image::buffer_t*>(&newvalue);
const std::vector<data::image::index_t> indices = {{51, 10, 8, 123, 1098, 23456, 6, 9999}};
// Add 8 elements to the diff. Write new values to the image.
for(std::size_t i = 0 ; i < 8 ; ++i)
{
const data::image::index_t index = indices[i];
const data::image::buffer_t* pix_buf =
reinterpret_cast<data::image::buffer_t*>(image->get_pixel(index));
diff.add_diff(index, pix_buf, new_buffer_value);
image->set_pixel(index, new_buffer_value);
CPPUNIT_ASSERT_EQUAL(std::size_t(i + 1), diff.num_elements());
CPPUNIT_ASSERT_EQUAL(index, diff.get_element_diff_index(i));
}
// Create an imageDiffCommand to test
ui::history::image_diff_command image_diff_command(image, diff);
// Ensure that the real size is at least bigger than the naive sizeof
CPPUNIT_ASSERT(image_diff_command.size() > sizeof(image_diff_command));
// Ensure that the real size is at least bigger than the size of the diff
CPPUNIT_ASSERT(image_diff_command.size() > diff.size());
}
//------------------------------------------------------------------------------
} // namespace sight::ui::history::ut
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