Ticket #6063: test_resize.cpp

#include <vector>
#include <boost/polygon/polygon.hpp>

using namespace std;

namespace gtl = boost::polygon;

typedef gtl::polygon_data<int> Polygon;
typedef gtl::polygon_traits<Polygon>::point_type Point;

void print(const vector<Polygon>& pset, int layer)
{
  for(unsigned int i=0; i<pset.size(); i++) {
    printf("p %d 0   ", layer);
    for(Polygon::iterator_type j=pset[i].begin(); j!=pset[i].end(); j++) {
      printf(" %d %d", x(*j), y(*j));
    }
    printf("\n");
  }
}

int main()
{
  int const pts[][2] = {
//  {0,0}, {2,0}, {2,2}, {0, 2}, {0, 0}};
//    {-23,-20}, {27, -70}, {-22, -20}, {-22, 5}, {-23, 5}};
    {0,0}, {0,5}, {1, 5}, {1, 0}, {3, -3}};

  std::vector<Polygon::point_type> points;
  for(size_t i = 0; i < 5; ++i)
    points.push_back(Polygon::point_type(pts[i][0], pts[i][1]));

  Polygon polygon;
  polygon.set(points.begin(), points.end());

  typedef std::vector<Polygon> PolygonSet;
  PolygonSet polygonSet;
  polygonSet.push_back(polygon);

  printf("B test\n");
  print(polygonSet, 1);
  boost::polygon::resize(polygonSet, -1);
//  boost::polygon::resize(polygonSet, 1);
  print(polygonSet, 2);
  printf("E\n");

  return 0;
}