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#include "Scene_nef_polyhedron_item.h"
#include <CGAL/Three/CGAL_Lab_io_plugin_interface.h>
#include <CGAL/Three/Three.h>
#include <fstream>
#include <limits>
using namespace CGAL::Three;
class CGAL_Lab_io_nef_plugin :
public QObject,
public CGAL_Lab_io_plugin_interface
{
Q_OBJECT
Q_INTERFACES(CGAL::Three::CGAL_Lab_io_plugin_interface)
Q_PLUGIN_METADATA(IID "com.geometryfactory.CGALLab.PluginInterface/1.0" FILE "nef_io_plugin.json")
public:
QString nameFilters() const override;
QString name() const override { return "io_nef_plugin"; }
bool canLoad(QFileInfo) const override;
QList<Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true) override;
bool canSave(const CGAL::Three::Scene_item*) override;
bool save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>& items) override;
bool isDefaultLoader(const Scene_item* item) const override{
if(qobject_cast<const Scene_nef_polyhedron_item*>(item))
return true;
return false;
}
};
QString CGAL_Lab_io_nef_plugin::nameFilters() const {
return "nef files (*.nef3)";
}
bool CGAL_Lab_io_nef_plugin::canLoad(QFileInfo) const {
return true;
}
QList<Scene_item*> CGAL_Lab_io_nef_plugin::
load(QFileInfo fileinfo, bool& ok, bool add_to_scene) {
//do not try file with extension different from nef3
if (fileinfo.suffix() != "nef3")
{
ok = false;
return QList<Scene_item*>();
}
// Open file
std::ifstream in(fileinfo.filePath().toUtf8());
if(!in) {
std::cerr << "Error! Cannot open file " << (const char*)fileinfo.filePath().toUtf8() << std::endl;
ok = false;
return QList<Scene_item*>();
}
// Try to read .nef3 in a polyhedron
Scene_nef_polyhedron_item* item = new Scene_nef_polyhedron_item();
item->setName(fileinfo.completeBaseName());
if(fileinfo.size() == 0)
{
CGAL::Three::Three::warning( tr("The file you are trying to load is empty."));
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
if(!item->load(in))
{
delete item;
ok = false;
return QList<Scene_item*>();
}
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
bool CGAL_Lab_io_nef_plugin::canSave(const CGAL::Three::Scene_item* item)
{
// This plugin supports polyhedrons and polygon soups
return qobject_cast<const Scene_nef_polyhedron_item*>(item);
}
bool CGAL_Lab_io_nef_plugin::save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>& items)
{
Scene_item* item = items.front();
// This plugin supports polyhedrons and polygon soups
const Scene_nef_polyhedron_item* nef_item =
qobject_cast<const Scene_nef_polyhedron_item*>(item);
if(!nef_item)
return false;
std::ofstream out(fileinfo.filePath().toUtf8());
out.precision (std::numeric_limits<double>::digits10 + 2);
items.pop_front();
return (nef_item && nef_item->save(out));
}
#include "Nef_io_plugin.moc"
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