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#ifndef slic3r_ExPolygonCollection_hpp_
#define slic3r_ExPolygonCollection_hpp_
#include "libslic3r.h"
#include "ExPolygon.hpp"
#include "Line.hpp"
#include "Polyline.hpp"
namespace Slic3r {
class ExPolygonCollection;
typedef std::vector<ExPolygonCollection> ExPolygonCollections;
class ExPolygonCollection
{
public:
ExPolygons expolygons;
ExPolygonCollection() {};
ExPolygonCollection(const ExPolygon &expolygon);
ExPolygonCollection(const ExPolygons &expolygons) : expolygons(expolygons) {};
operator Points() const;
operator Polygons() const;
operator ExPolygons&();
void scale(double factor);
void translate(double x, double y);
void rotate(double angle, const Point ¢er);
template <class T> bool contains(const T &item) const;
bool contains_b(const Point &point) const;
void simplify(double tolerance);
Polygon convex_hull() const;
Lines lines() const;
Polygons contours() const;
void append(const ExPolygons &expolygons);
};
extern BoundingBox get_extents(const ExPolygonCollection &expolygon);
}
#endif
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