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#ifndef slic3r_BridgeDetector_hpp_
#define slic3r_BridgeDetector_hpp_
#include "libslic3r.h"
#include "ExPolygon.hpp"
#include "ExPolygonCollection.hpp"
#include <string>
namespace Slic3r {
class BridgeDetector {
public:
// The non-grown hole.
ExPolygon expolygon;
// Lower slices, all regions.
ExPolygonCollection lower_slices;
// Scaled extrusion width of the infill.
double extrusion_width;
// Angle resolution for the brute force search of the best bridging angle.
double resolution;
// The final optimal angle.
double angle;
BridgeDetector(const ExPolygon &_expolygon, const ExPolygonCollection &_lower_slices, coord_t _extrusion_width);
bool detect_angle();
void coverage(double angle, Polygons* coverage) const;
Polygons coverage(double angle = -1) const;
void unsupported_edges(double angle, Polylines* unsupported) const;
Polylines unsupported_edges(double angle = -1) const;
private:
// Open lines representing the supporting edges.
Polylines _edges;
// Closed polygons representing the supporting areas.
ExPolygons _anchors;
};
}
#endif
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