cgal/Polyhedron/demo/Polyhedron/Polyhedron_demo_xyz_plugin.cpp

81 lines
2.2 KiB
C++

#include "Scene_points_with_normal_item.h"
#include "Scene_polyhedron_item.h"
#include "Scene_polygon_soup_item.h"
#include "Polyhedron_type.h"
#include "Kernel_type.h"
#include "Polyhedron_demo_io_plugin_interface.h"
#include <fstream>
class Polyhedron_demo_xyz_plugin :
public QObject,
public Polyhedron_demo_io_plugin_interface
{
Q_OBJECT
Q_INTERFACES(Polyhedron_demo_io_plugin_interface)
public:
QString name() const { return "xyz_plugin"; }
QString nameFilters() const { return "XYZ as Point Set (*.xyz);;Point Set with Normal (*.pwn)"; }
bool canLoad() const;
Scene_item* load(QFileInfo fileinfo);
bool canSave(const Scene_item*);
bool save(const Scene_item*, QFileInfo fileinfo);
};
bool Polyhedron_demo_xyz_plugin::canLoad() const {
return true;
}
Scene_item*
Polyhedron_demo_xyz_plugin::load(QFileInfo fileinfo)
{
// Open file
std::ifstream in(fileinfo.filePath().toUtf8().data());
if(!in) {
std::cerr << "Error! Cannot open file " << fileinfo.filePath().toStdString() << std::endl;
return NULL;
}
// Read .xyz in a point set
Scene_points_with_normal_item* point_set_item = new Scene_points_with_normal_item;
point_set_item->setName(fileinfo.completeBaseName());
if(!point_set_item->read_xyz_point_set(in)) {
delete point_set_item;
return NULL;
}
return point_set_item;
}
bool Polyhedron_demo_xyz_plugin::canSave(const Scene_item* item)
{
// This plugin supports point sets
return qobject_cast<const Scene_points_with_normal_item*>(item);
}
bool Polyhedron_demo_xyz_plugin::save(const Scene_item* item, QFileInfo fileinfo)
{
// Check extension (quietly)
std::string extension = fileinfo.suffix().toUtf8().data();
if (extension != "xyz" && extension != "XYZ" &&
extension != "pwn" && extension != "PWN")
return false;
// This plugin supports point sets
const Scene_points_with_normal_item* point_set_item =
qobject_cast<const Scene_points_with_normal_item*>(item);
if(!point_set_item)
return false;
// Save point set as .xyz
std::ofstream out(fileinfo.filePath().toUtf8().data());
return point_set_item->write_xyz_point_set(out);
}
#include <QtPlugin>
Q_EXPORT_PLUGIN2(Polyhedron_demo_xyz_plugin, Polyhedron_demo_xyz_plugin)
#include "Polyhedron_demo_xyz_plugin.moc"