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