OrcaSlicer/xs/src/libslic3r/Polyline.hpp

77 lines
2.1 KiB
C++

#ifndef slic3r_Polyline_hpp_
#define slic3r_Polyline_hpp_
#include "libslic3r.h"
#include "Line.hpp"
#include "MultiPoint.hpp"
#include <string>
#include <vector>
namespace Slic3r {
class Polyline;
class ThickPolyline;
typedef std::vector<Polyline> Polylines;
typedef std::vector<ThickPolyline> ThickPolylines;
class Polyline : public MultiPoint {
public:
operator Polylines() const;
operator Line() const;
Point last_point() const;
Point leftmost_point() const;
virtual Lines lines() const;
void clip_end(double distance);
void clip_start(double distance);
void extend_end(double distance);
void extend_start(double distance);
Points equally_spaced_points(double distance) const;
void simplify(double tolerance);
template <class T> void simplify_by_visibility(const T &area);
void split_at(const Point &point, Polyline* p1, Polyline* p2) const;
bool is_straight() const;
std::string wkt() const;
};
extern BoundingBox get_extents(const Polyline &polyline);
extern BoundingBox get_extents(const Polylines &polylines);
inline Lines to_lines(const Polyline &poly)
{
Lines lines;
if (poly.points.size() >= 2) {
lines.reserve(poly.points.size() - 1);
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
}
return lines;
}
inline Lines to_lines(const Polylines &polys)
{
size_t n_lines = 0;
for (size_t i = 0; i < polys.size(); ++ i)
if (polys[i].points.size() > 1)
n_lines += polys[i].points.size() - 1;
Lines lines;
lines.reserve(n_lines);
for (size_t i = 0; i < polys.size(); ++ i) {
const Polyline &poly = polys[i];
for (Points::const_iterator it = poly.points.begin(); it != poly.points.end()-1; ++it)
lines.push_back(Line(*it, *(it + 1)));
}
return lines;
}
class ThickPolyline : public Polyline {
public:
std::vector<coordf_t> width;
std::pair<bool,bool> endpoints;
ThickPolyline() : endpoints(std::make_pair(false, false)) {};
ThickLines thicklines() const;
void reverse();
};
}
#endif