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/************************************************************************
*
* Copyright (C) 2020-2024 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/ply_mesh_reader.hpp"
#include "io/vtk/helper/mesh.hpp"
#include "io/vtk/helper/vtk_lambda_command.hpp"
#include <core/base.hpp>
#include <core/jobs/base.hpp>
#include <core/jobs/observer.hpp>
#include <vtkPLYReader.h>
#include <vtkPolyData.h>
#include <vtkSmartPointer.h>
namespace sight::io::vtk
{
//------------------------------------------------------------------------------
ply_mesh_reader::ply_mesh_reader() :
m_job(std::make_shared<core::jobs::observer>("PLY Mesh reader"))
{
}
//------------------------------------------------------------------------------
ply_mesh_reader::~ply_mesh_reader()
= default;
//------------------------------------------------------------------------------
void ply_mesh_reader::read()
{
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::sptr p_mesh = get_concrete_object();
using helper::vtk_lambda_command;
vtkSmartPointer<vtkPLYReader> reader = vtkSmartPointer<vtkPLYReader>::New();
reader->SetFileName(this->get_file().string().c_str());
vtkSmartPointer<vtk_lambda_command> progress_callback;
progress_callback = vtkSmartPointer<vtk_lambda_command>::New();
progress_callback->set_callback(
[&](vtkObject* _caller, std::uint64_t, void*)
{
auto* const filter = static_cast<vtkPLYReader*>(_caller);
m_job->done_work(static_cast<std::uint64_t>(filter->GetProgress() * 100.));
});
reader->AddObserver(vtkCommand::ProgressEvent, progress_callback);
m_job->add_simple_cancel_hook([&]{reader->AbortExecuteOn();});
reader->Update();
vtkDataObject* obj = reader->GetOutput();
vtkPolyData* mesh = vtkPolyData::SafeDownCast(obj);
SIGHT_THROW_IF("PlyMeshReader cannot read VTK Mesh file : " << this->get_file().string(), !mesh);
io::vtk::helper::mesh::from_vtk_mesh(mesh, p_mesh);
m_job->finish();
}
//------------------------------------------------------------------------------
std::string ply_mesh_reader::extension() const
{
return ".ply";
}
//------------------------------------------------------------------------------
core::jobs::base::sptr ply_mesh_reader::get_job() const
{
return m_job;
}
//------------------------------------------------------------------------------
} // namespace sight::io::vtk
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