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/************************************************************************
*
* Copyright (C) 2020-2025 IRCAD France
* Copyright (C) 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 "io/vtk/obj_mesh_writer.hpp"
#include "io/vtk/helper/mesh.hpp"
#include "io/vtk/helper/vtk_lambda_command.hpp"
#include <core/base.hpp>
#include <core/progress/monitor.hpp>
#include <core/progress/observer.hpp>
#include <data/material.hpp>
#include <data/mesh.hpp>
#include <vtkOBJWriter.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
#include <cstdint>
namespace sight::io::vtk
{
//------------------------------------------------------------------------------
void obj_mesh_writer::write(sight::core::progress::observer::sptr _progress)
{
SIGHT_ASSERT("Object pointer expired", !m_object.expired());
[[maybe_unused]] const auto object_lock = m_object.lock();
SIGHT_ASSERT("Object Lock null.", object_lock);
const data::mesh::csptr mesh = get_concrete_object();
vtkSmartPointer<vtkOBJWriter> writer = vtkSmartPointer<vtkOBJWriter>::New();
vtkSmartPointer<vtkPolyData> vtk_mesh = vtkSmartPointer<vtkPolyData>::New();
sight::io::vtk::helper::mesh::to_vtk_mesh(mesh, vtk_mesh);
writer->SetInputData(vtk_mesh);
writer->SetFileName(this->get_file().string().c_str());
vtkSmartPointer<helper::vtk_lambda_command> progress_callback;
progress_callback = vtkSmartPointer<helper::vtk_lambda_command>::New();
progress_callback->set_callback(
[&](vtkObject* _caller, std::uint64_t, void*)
{
auto* filter = static_cast<vtkOBJWriter*>(_caller);
_progress->done_work(static_cast<std::uint64_t>(filter->GetProgress() * 100.));
});
writer->AddObserver(vtkCommand::ProgressEvent, progress_callback);
_progress->add_cancel_hook([&]{writer->AbortExecuteOn();});
writer->Update();
}
//------------------------------------------------------------------------------
std::string obj_mesh_writer::extension() const
{
return ".obj";
}
//------------------------------------------------------------------------------
} // namespace sight::io::vtk
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