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#include "SMesh_type.h"
#include "Scene_surface_mesh_item.h"
#include "Scene_polygon_soup_item.h"
#include "Kernel_type.h"
#include "Scene.h"
#include <CGAL/Three/CGAL_Lab_io_plugin_interface.h>
#include <CGAL/Three/Three.h>
#include <CGAL/IO/polygon_soup_io.h>
#include <CGAL/boost/graph/io.h>
#include <CGAL/Polygon_mesh_processing/polygon_soup_to_polygon_mesh.h>
#include <QColor>
#include <QString>
#include <QStringList>
#include <QMainWindow>
#include <QInputDialog>
#include <boost/property_map/function_property_map.hpp>
#include <cstdint>
#include <fstream>
#include <iostream>
#include <limits>
#include <vector>
using namespace CGAL::Three;
class CGAL_Lab_stl_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.IOPluginInterface/1.90" FILE "stl_io_plugin.json")
public:
QString nameFilters() const;
QString name() const { return "stl_plugin"; }
bool canLoad(QFileInfo fileinfo) const;
QList<Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true);
bool canSave(const CGAL::Three::Scene_item*);
bool save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>&);
};
QString CGAL_Lab_stl_plugin::nameFilters() const {
return "STL files (*.stl)";
}
bool CGAL_Lab_stl_plugin::canLoad(QFileInfo) const {
return true;
}
QList<Scene_item*>
CGAL_Lab_stl_plugin::
load(QFileInfo fileinfo, bool& ok, bool add_to_scene){
// Open file
std::ifstream in(fileinfo.filePath().toUtf8(), std::ios::in | std::ios::binary);
if(!in) {
std::cerr << "Error! Cannot open file " << (const char*)fileinfo.filePath().toUtf8() << std::endl;
ok = false;
return QList<Scene_item*>();
}
in.close();
if(fileinfo.size() == 0)
{
CGAL::Three::Three::warning( tr("The file you are trying to load is empty."));
Scene_surface_mesh_item* item = new Scene_surface_mesh_item();
item->setName(fileinfo.completeBaseName());
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
std::vector<EPICK::Point_3> points;
std::vector<std::vector<int> > triangles;
if (!CGAL::IO::read_polygon_soup(fileinfo.filePath().toUtf8().toStdString(), points, triangles))
{
std::cerr << "Error: invalid STL file" << std::endl;
ok = false;
return QList<Scene_item*>();
}
try
{
// Try building a surface_mesh
SMesh* SM = new SMesh();
if (CGAL::Polygon_mesh_processing::is_polygon_soup_a_polygon_mesh(triangles))
{
//auto pmap = boost::make_function_property_map<std::array<double, 3>, Point_3>(
// [](const std::array<double, 3>& a) { return Point_3(a[0], a[1], a[2]); });
CGAL::Polygon_mesh_processing::polygon_soup_to_polygon_mesh(points, triangles, *SM);
}
if(!SM->is_valid() || SM->is_empty()){
std::cerr << "Error: Invalid facegraph" << std::endl;
}
else{
Scene_surface_mesh_item* item = new Scene_surface_mesh_item(SM);
item->setName(fileinfo.completeBaseName());
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
}
catch(...){}
Scene_polygon_soup_item* item = new Scene_polygon_soup_item();
item->setName(fileinfo.completeBaseName());
item->load(points, triangles);
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
bool CGAL_Lab_stl_plugin::canSave(const CGAL::Three::Scene_item* item)
{
return qobject_cast<const Scene_surface_mesh_item*>(item);
}
bool CGAL_Lab_stl_plugin::
save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>& items)
{
Scene_item* item = items.front();
const Scene_surface_mesh_item* sm_item =
qobject_cast<const Scene_surface_mesh_item*>(item);
if(!sm_item)
return false;
QStringList list;
list << tr("Binary");
list << tr("Ascii");
bool ok = false;
QString choice
= QInputDialog::getItem(nullptr, tr("Save STL file"), tr("Format"), list, 0, false, &ok);
if (!ok)
return false;
std::ofstream out(fileinfo.filePath().toUtf8(), std::ios::out | std::ios::binary);
if ( choice == tr("Binary") )
CGAL::IO::set_mode(out, CGAL::IO::BINARY);
else
{
CGAL::IO::set_mode(out, CGAL::IO::ASCII);
out.precision (std::numeric_limits<double>::digits10 + 2);
}
if (sm_item)
{
CGAL::IO::write_STL(out, *sm_item->face_graph());
items.pop_front();
return true;
}
return false;
}
#include "STL_io_plugin.moc"
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