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#ifndef slic3r_ExtrusionEntity_hpp_
#define slic3r_ExtrusionEntity_hpp_
#include <myinit.h>
#include "Polygon.hpp"
#include "Polyline.hpp"
namespace Slic3r {
class ExPolygonCollection;
class ExtrusionEntityCollection;
class Extruder;
/* Each ExtrusionRole value identifies a distinct set of { extruder, speed } */
enum ExtrusionRole {
erPerimeter,
erExternalPerimeter,
erOverhangPerimeter,
erInternalInfill,
erSolidInfill,
erTopSolidInfill,
erBridgeInfill,
erGapFill,
erSkirt,
erSupportMaterial,
erSupportMaterialInterface,
};
/* Special flags describing loop */
enum ExtrusionLoopRole {
elrDefault,
elrExternalPerimeter,
elrContourInternalPerimeter,
};
class ExtrusionEntity
{
public:
virtual ExtrusionEntity* clone() const = 0;
virtual ~ExtrusionEntity() {};
virtual void reverse() = 0;
virtual Point first_point() const = 0;
virtual Point last_point() const = 0;
};
typedef std::vector<ExtrusionEntity*> ExtrusionEntitiesPtr;
class ExtrusionPath : public ExtrusionEntity
{
public:
Polyline polyline;
ExtrusionRole role;
double mm3_per_mm; // mm^3 of plastic per mm of linear head motion
float width;
float height;
ExtrusionPath(ExtrusionRole role) : role(role), mm3_per_mm(-1), width(-1), height(-1) {};
ExtrusionPath* clone() const;
void reverse();
Point first_point() const;
Point last_point() const;
void intersect_expolygons(const ExPolygonCollection &collection, ExtrusionEntityCollection* retval) const;
void subtract_expolygons(const ExPolygonCollection &collection, ExtrusionEntityCollection* retval) const;
void clip_end(double distance);
void simplify(double tolerance);
double length() const;
bool is_perimeter() const;
bool is_fill() const;
bool is_bridge() const;
std::string gcode(Extruder* extruder, double e, double F,
double xofs, double yofs, std::string extrusion_axis,
std::string gcode_line_suffix) const;
private:
void _inflate_collection(const Polylines &polylines, ExtrusionEntityCollection* collection) const;
};
typedef std::vector<ExtrusionPath> ExtrusionPaths;
class ExtrusionLoop : public ExtrusionEntity
{
public:
ExtrusionPaths paths;
ExtrusionLoopRole role;
ExtrusionLoop(ExtrusionLoopRole role = elrDefault) : role(role) {};
operator Polygon() const;
ExtrusionLoop* clone() const;
bool make_clockwise();
bool make_counter_clockwise();
void reverse();
Point first_point() const;
Point last_point() const;
void polygon(Polygon* polygon) const;
double length() const;
void split_at_vertex(const Point &point);
void split_at(const Point &point);
void clip_end(double distance, ExtrusionPaths* paths) const;
bool has_overhang_point(const Point &point) const;
};
}
#endif
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