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/************************************************************************
*
* Copyright (C) 2014-2025 IRCAD France
* Copyright (C) 2014-2018 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 "module/geometry/__/switch_matrices.hpp"
#include <core/com/signal.hxx>
#include <core/com/slots.hxx>
#include <geometry/data/matrix4.hpp>
namespace sight::module::geometry
{
// ----------------------------------------------------------------------------
switch_matrices::switch_matrices() noexcept
{
new_slot(slots::SWITCH, &switch_matrices::switch_matrix, this);
}
// ----------------------------------------------------------------------------
void switch_matrices::configuring()
{
}
// ----------------------------------------------------------------------------
void switch_matrices::starting()
{
this->updating();
}
// ----------------------------------------------------------------------------
void switch_matrices::stopping()
{
}
// ----------------------------------------------------------------------------
service::connections_t switch_matrices::auto_connections() const
{
return {
{m_current_index, data::object::MODIFIED_SIG, service::slots::UPDATE},
{m_matrix, data::object::MODIFIED_SIG, service::slots::UPDATE}
};
}
// ----------------------------------------------------------------------------
void switch_matrices::updating()
{
auto matrix = m_output.lock();
auto current_index = static_cast<std::size_t>(*m_current_index);
SIGHT_ASSERT("Requested matrix index doesn't exists.", current_index < m_matrix.size());
auto desired_matrix = m_matrix[current_index].lock();
matrix->shallow_copy(desired_matrix.get_shared());
matrix->async_emit(this, data::object::MODIFIED_SIG);
}
// ----------------------------------------------------------------------------
void switch_matrices::switch_matrix()
{
{
auto current_index = m_current_index.lock();
*current_index = *current_index + 1;
if(static_cast<std::size_t>(*current_index) >= m_matrix.size())
{
*current_index = 0;
}
}
this->updating();
}
// ----------------------------------------------------------------------------
} // namespace sight::module::geometry
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