#include <QApplication>
#include <QTime>
#include "MainWindow.h"
#include "Scene.h"
#include "Polyhedron_type.h"
#include <CGAL/convex_hull_3.h>


void MainWindow::on_actionConvexHull_triggered()
{
  if(onePolygonIsSelected())
  {
    // wait cursor
    QApplication::setOverrideCursor(Qt::WaitCursor);

    QTime time;
    time.start();
    std::cout << "Convex hull...";

    // get active polyhedron
    int index = getSelectedPolygonIndex();
    Polyhedron* pMesh = scene->polyhedron(index);

    // add convex hull as new polyhedron
    Polyhedron *pConvex_hull = new Polyhedron;
    CGAL::convex_hull_3(pMesh->points_begin(),pMesh->points_end(),*pConvex_hull);
    std::cout << "ok (" << time.elapsed() << " ms)" << std::endl;

    scene->addPolyhedron(pConvex_hull,
      tr("%1 (convex hull)").arg(scene->polyhedronName(index)),
      Qt::magenta,
      scene->isPolyhedronActivated(index),
      scene->polyhedronRenderingMode(index));


    // default cursor
    QApplication::restoreOverrideCursor();
  }
}