C++ (Cpp) VI::x Examples

Example #1

File: PolygonTest.cpp Project: Asuzer/cgal

void test_update_operations(const ListPolygon& p,
                            const vector<Point>& pvec)
{
  // test update functions
  ListPolygon q = p;
  VectorPolygon pgn(p.vertices_begin(), p.vertices_end());
  q.reverse_orientation();
  cout << "p after reversing orientation: " << q << endl;

  assert(p==p);
  assert(!(p==q));

  typedef ListPolygon::Vertex_iterator VI;
  typedef ListPolygon::Vertex_circulator VC;
  q=p;
  VI middle = q.vertices_begin();
  ++middle;
  q.set(middle, *middle);

  // test update operations
  q.push_back(Point(2,3));
  q.push_back(Point(middle->x(), middle->y()));

  VC c = q.vertices_circulator();
  q.set(c, *middle);
  q.insert(c, Point(2,3)); 
  q.erase(q.vertices_circulator());

  pgn.push_back(Point(pgn.vertices_begin()->x(), 3));
  pgn.set(pgn.vertices_begin(), Point(pgn.vertices_begin()->x(), 3));

  q.insert(q.vertices_begin(), pvec.begin() + 3, pvec.begin() + 7);

  q.insert(q.vertices_circulator(), pvec.begin() + 3, pvec.begin() + 7);

  q.clear();
}