cgal/Polyhedron/demo/Polyhedron/Plugins/IO/Surf_io_plugin.cpp

114 lines
3.7 KiB
C++

#include "Scene_surface_mesh_item.h"
#include <QMainWindow>
#include <QObject>
#include <CGAL/Three/Polyhedron_demo_io_plugin_interface.h>
#include <CGAL/Three/Scene_group_item.h>
#include <CGAL/Three/Three.h>
#include <CGAL/IO/read_surf_trianglemesh.h>
#include <CGAL/Bbox_3.h>
#include <CGAL/array.h>
#include "Color_map.h"
#include <fstream>
#include <boost/container/flat_set.hpp>
using namespace CGAL::Three;
class Surf_io_plugin:
public QObject,
public Polyhedron_demo_io_plugin_interface
{
Q_OBJECT
Q_INTERFACES(CGAL::Three::Polyhedron_demo_io_plugin_interface)
Q_PLUGIN_METADATA(IID "com.geometryfactory.PolyhedronDemo.IOPluginInterface/1.90" FILE "surf_io_plugin.json")
public:
QString name() const { return "surf_io_plugin"; }
QString nameFilters() const { return "Amira files (*.surf)"; }
bool canLoad(QFileInfo) const{ return true; }
template<class FaceGraphItem>
CGAL::Three::Scene_item* actual_load(QFileInfo fileinfo);
QList<Scene_item*> load(QFileInfo fileinfo, bool& ok, bool add_to_scene=true);
bool canSave(const CGAL::Three::Scene_item*) { return false; }
bool save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>& ) { return false; }
};
QList<Scene_item*>
Surf_io_plugin::
load(QFileInfo fileinfo, bool& ok, bool add_to_scene)
{
Scene_item* item =
actual_load<Scene_surface_mesh_item>(fileinfo);
if(item)
{
ok = true;
if(add_to_scene)
CGAL::Three::Three::scene()->addItem(item);
return QList<Scene_item*>()<<item;
}
else
{
ok = false;
return QList<Scene_item*>();
}
}
template< class FaceGraphItem>
CGAL::Three::Scene_item* Surf_io_plugin::actual_load(QFileInfo fileinfo)
{
typedef typename FaceGraphItem::Face_graph FaceGraph;
typedef typename boost::property_traits<
typename boost::property_map<FaceGraph, boost::vertex_point_t>::type
>::value_type Point_3;
// 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;
}
if(fileinfo.size() == 0)
{
CGAL::Three::Three::warning( tr("The file you are trying to load is empty."));
Scene_group_item* item =
new Scene_group_item(fileinfo.completeBaseName());
return item;
}
std::vector<FaceGraph> patches;
std::vector<MaterialData> material_data;
CGAL::Bbox_3 grid_box;
std::array<unsigned int, 3> grid_size = {{1, 1, 1}};
boost::container::flat_set<Point_3> duplicated_points;
read_surf(in, patches, material_data, grid_box, grid_size
, std::inserter(duplicated_points, duplicated_points.end()));
for(std::size_t i=0; i<material_data.size(); ++i)
{
std::cout<<"The patch #"<<i<<":\n -inner region : material's id = "<<material_data[i].innerRegion.first<<" material's name = "
<<material_data[i].innerRegion.second<<"\n -outer region: material's id = "<<material_data[i].outerRegion.first<<" material's name = "
<<material_data[i].outerRegion.second<<std::endl;
}
if (!duplicated_points.empty())
std::cout << duplicated_points.size() << " points have been duplicated." << std::endl;
std::vector<QColor> colors_;
compute_color_map(QColor(100, 100, 255), static_cast<unsigned>(patches.size()),
std::back_inserter(colors_));
Scene_group_item* group = new Scene_group_item(fileinfo.completeBaseName());
for(std::size_t i=0; i<patches.size(); ++i)
{
FaceGraphItem *patch = new FaceGraphItem(patches[i]);
patch->setName(QString("Patch #%1").arg(i));
patch->setColor(colors_[i]);
CGAL::Three::Three::scene()->addItem(patch);
CGAL::Three::Three::scene()->changeGroup(patch, group);
}
return group;
}
#include "Surf_io_plugin.moc"