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/************************************************************************
*
* Copyright (C) 2020-2024 IRCAD France
* Copyright (C) 2019 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/__/decompose_matrix.hpp"
#include <core/com/signal.hpp>
#include <core/com/signal.hxx>
#define GLM_ENABLE_EXPERIMENTAL
#include <glm/gtx/matrix_decompose.hpp>
#include <glm/gtx/quaternion.hpp>
namespace sight::module::geometry
{
// ----------------------------------------------------------------------------
decompose_matrix::decompose_matrix() noexcept :
filter(m_signals)
{
}
// ----------------------------------------------------------------------------
void decompose_matrix::configuring()
{
}
// ----------------------------------------------------------------------------
void decompose_matrix::starting()
{
}
// ----------------------------------------------------------------------------
void decompose_matrix::stopping()
{
}
// ----------------------------------------------------------------------------
service::connections_t decompose_matrix::auto_connections() const
{
return {{SOURCE_INPUT, data::object::MODIFIED_SIG, service::slots::UPDATE}};
}
// ----------------------------------------------------------------------------
void decompose_matrix::updating()
{
auto matrix = m_source.lock();
SIGHT_ASSERT("input matrix '" << SOURCE_INPUT << "' is not defined", matrix);
glm::dmat4 glm_matrix = sight::geometry::data::to_glm_mat(*matrix);
glm::dvec3 glm_scale {};
glm::dquat orientation {};
glm::dvec3 glm_translation {};
glm::dvec3 skew;
glm::dvec4 perspective;
/// Matrix decomposition
glm::decompose(glm_matrix, glm_scale, orientation, glm_translation, skew, perspective);
glm::dmat4 orientation_mat = glm::toMat4(orientation);
{
auto rotation = m_rotation.lock();
if(rotation)
{
sight::geometry::data::identity(*rotation);
sight::geometry::data::from_glm_mat(*rotation, orientation_mat);
auto rot_sig = rotation->signal<data::object::modified_signal_t>(data::object::MODIFIED_SIG);
rot_sig->async_emit();
}
}
{
auto translation = m_translation.lock();
if(translation)
{
sight::geometry::data::identity(*translation);
for(std::size_t i = 0 ; i < 3 ; ++i)
{
(*translation)(i, 3) = glm_translation[int(i)];
}
auto trans_sig =
translation->signal<data::object::modified_signal_t>(data::object::MODIFIED_SIG);
trans_sig->async_emit();
}
}
auto scale = m_scale.lock();
if(scale)
{
{
sight::geometry::data::identity(*scale);
for(std::size_t i = 0 ; i < 3 ; ++i)
{
for(std::size_t j = 0 ; j < 3 ; j++)
{
if(i == j)
{
(*scale)(i, j) = glm_scale[int(i)];
}
}
}
auto scale_sig = scale->signal<data::object::modified_signal_t>(data::object::MODIFIED_SIG);
scale_sig->async_emit();
}
}
this->signal<signals::computed_t>(signals::COMPUTED)->async_emit();
}
// ----------------------------------------------------------------------------
} // namespace sight::module::geometry
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