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/************************************************************************
*
* Copyright (C) 2025 IRCAD France
*
* 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 "get_point.hpp"
#include <data/fiducials_series.hpp>
namespace sight::module::data
{
//------------------------------------------------------------------------------
void get_point::configuring()
{
service::config_t config = this->get_config();
const auto config_out = config.get_child_optional("inout");
SIGHT_THROW_IF("No inout configured, no point to extract", not config_out.has_value());
const auto key_cfg = config_out->equal_range("key");
for(auto it_cfg = key_cfg.first ; it_cfg != key_cfg.second ; ++it_cfg)
{
auto group_cfg = it_cfg->second.get<std::string>("<xmlattr>.group", "");
SIGHT_ASSERT("Missing 'group' attribute to extract point.", !group_cfg.empty());
auto index_cfg = it_cfg->second.get<std::size_t>("<xmlattr>.index", ~0UL);
SIGHT_ASSERT("Missing 'index' attribute to extract point", index_cfg != ~0UL);
m_configuration.push_back({.group = group_cfg, .index = index_cfg});
}
SIGHT_THROW_IF("Configuration empty, no point to extract", m_configuration.empty());
}
//------------------------------------------------------------------------------
void get_point::starting()
{
}
//-----------------------------------------------------------------------------
void get_point::updating()
{
auto image = m_image.lock();
SIGHT_ASSERT("Missing input image", image);
auto fiducials = image->get_fiducials();
std::size_t out_index = 0;
for(const auto& cfg : m_configuration)
{
const auto results = fiducials->query_fiducials(
std::nullopt,
sight::data::fiducials_series::shape::point,
cfg.group
);
SIGHT_THROW_IF("Can not find any group named " << std::quoted(cfg.group), results.empty());
SIGHT_THROW_IF("Index out of bounds", cfg.index >= results.size());
const auto& result = results[cfg.index];
SIGHT_THROW_IF("No contour data for this fiducial", not result.m_contour_data.has_value());
SIGHT_THROW_IF("Contour data does not have exactly 3 coordinates", result.m_contour_data->size() != 3);
auto point = m_points[out_index++].lock();
(*point)[0] = (*result.m_contour_data)[0];
(*point)[1] = (*result.m_contour_data)[1];
(*point)[2] = (*result.m_contour_data)[2];
point->async_emit(sight::data::object::MODIFIED_SIG);
}
}
//-----------------------------------------------------------------------------
void get_point::stopping()
{
}
//-----------------------------------------------------------------------------
} // namespace sight::module::data
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