cgal/Polyhedron/demo/Polyhedron/Polyhedron_demo_io_nef_plug...

79 lines
2.0 KiB
C++

#include "Scene_nef_polyhedron_item.h"
#include "Polyhedron_demo_io_plugin_interface.h"
#include <fstream>
class Polyhedron_demo_io_nef_plugin :
public QObject,
public Polyhedron_demo_io_plugin_interface
{
Q_OBJECT
Q_INTERFACES(Polyhedron_demo_io_plugin_interface)
public:
QString nameFilters() const;
QString name() const { return "io_nef_plugin"; }
bool canLoad() const;
Scene_item* load(QFileInfo fileinfo);
bool canSave(const Scene_item*);
bool save(const Scene_item*, QFileInfo fileinfo);
};
QString Polyhedron_demo_io_nef_plugin::nameFilters() const {
return "nef files (*.nef3)";
}
bool Polyhedron_demo_io_nef_plugin::canLoad() const {
return true;
}
Scene_item*
Polyhedron_demo_io_nef_plugin::load(QFileInfo fileinfo) {
//do not try file with extension different from nef3
if (fileinfo.suffix() != "nef3") return 0;
// Open file
std::ifstream in(fileinfo.filePath().toUtf8());
if(!in) {
std::cerr << "Error! Cannot open file " << (const char*)fileinfo.filePath().toUtf8() << std::endl;
return NULL;
}
// Try to read .nef3 in a polyhedron
Scene_nef_polyhedron_item* item = new Scene_nef_polyhedron_item();
item->setName(fileinfo.baseName());
if(!item->load(in))
{
delete item;
return 0;
}
return item;
}
bool Polyhedron_demo_io_nef_plugin::canSave(const Scene_item* item)
{
// This plugin supports polyhedrons and polygon soups
return qobject_cast<const Scene_nef_polyhedron_item*>(item);
}
bool Polyhedron_demo_io_nef_plugin::save(const Scene_item* item, QFileInfo fileinfo)
{
// 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());
return (nef_item && nef_item->save(out));
}
#include <QtPlugin>
Q_EXPORT_PLUGIN2(Polyhedron_demo_io_nef_plugin, Polyhedron_demo_io_nef_plugin)
#include "Polyhedron_demo_io_nef_plugin.moc"