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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2020 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/vti_image_writer.hpp"
#include "io/vtk/helper/vtk_lambda_command.hpp"
#include "io/vtk/vtk.hpp"
#include <core/base.hpp>
#include <core/progress/monitor.hpp>
#include <core/progress/observer.hpp>
#include <vtkImageData.h>
#include <vtkSmartPointer.h>
#include <vtkXMLImageDataWriter.h>
#include <vtkZLibDataCompressor.h>
namespace sight::io::vtk
{
//------------------------------------------------------------------------------
void vti_image_writer::write(sight::core::progress::observer::sptr _progress)
{
using helper::vtk_lambda_command;
assert(!m_object.expired());
assert(m_object.lock());
data::image::csptr p_image = get_concrete_object();
vtkSmartPointer<vtkXMLImageDataWriter> writer = vtkSmartPointer<vtkXMLImageDataWriter>::New();
vtkSmartPointer<vtkImageData> vtk_image = vtkSmartPointer<vtkImageData>::New();
io::vtk::to_vtk_image(p_image, vtk_image);
writer->SetInputData(vtk_image);
writer->SetFileName(this->get_file().string().c_str());
writer->SetDataModeToAppended();
vtkSmartPointer<vtkZLibDataCompressor> compressor = vtkSmartPointer<vtkZLibDataCompressor>::New();
compressor->SetCompressionLevel(1);
writer->SetCompressor(compressor);
writer->EncodeAppendedDataOff();
vtkSmartPointer<vtk_lambda_command> progress_callback;
progress_callback = vtkSmartPointer<vtk_lambda_command>::New();
progress_callback->set_callback(
[&_progress](vtkObject* _caller, std::uint64_t, void*)
{
auto* filter = static_cast<vtkXMLImageDataWriter*>(_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->Write();
}
//------------------------------------------------------------------------------
std::string vti_image_writer::extension() const
{
return ".vti";
}
} // namespace sight::io::vtk
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