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Rest of the path chaining has been replaced with the new algorithm.

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PolylineCollection.cpp/hpp was removed, use Polylines instead.
Various first_point() / last_point() now return references, not copies.
This commit is contained in:
bubnikv 2019-09-27 18:17:21 +02:00
parent 4b35ebe6e5
commit 331c187b39
29 changed files with 266 additions and 364 deletions
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25
src/libslic3r/Polygon.hpp
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@ -13,13 +13,14 @@ namespace Slic3r {
class Polygon;
typedef std::vector<Polygon> Polygons;
class Polygon : public MultiPoint {
class Polygon : public MultiPoint
{
public:
operator Polygons() const;
operator Polyline() const;
Point& operator[](Points::size_type idx);
const Point& operator[](Points::size_type idx) const;
operator Polygons() const { Polygons pp; pp.push_back(*this); return pp; }
operator Polyline() const { return this->split_at_first_point(); }
Point& operator[](Points::size_type idx) { return this->points[idx]; }
const Point& operator[](Points::size_type idx) const { return this->points[idx]; }
Polygon() {}
explicit Polygon(const Points &points): MultiPoint(points) {}
Polygon(const Polygon &other) : MultiPoint(other.points) {}
@ -34,20 +35,24 @@ public:
Polygon& operator=(const Polygon &other) { points = other.points; return *this; }
Polygon& operator=(Polygon &&other) { points = std::move(other.points); return *this; }
Point last_point() const;
// last point == first point for polygons
const Point& last_point() const override { return this->points.front(); }
virtual Lines lines() const;
Polyline split_at_vertex(const Point &point) const;
// Split a closed polygon into an open polyline, with the split point duplicated at both ends.
Polyline split_at_index(int index) const;
// Split a closed polygon into an open polyline, with the split point duplicated at both ends.
Polyline split_at_first_point() const;
Points equally_spaced_points(double distance) const;
Polyline split_at_first_point() const { return this->split_at_index(0); }
Points equally_spaced_points(double distance) const { return this->split_at_first_point().equally_spaced_points(distance); }
double area() const;
bool is_counter_clockwise() const;
bool is_clockwise() const;
bool make_counter_clockwise();
bool make_clockwise();
bool is_valid() const;
bool is_valid() const { return this->points.size() >= 3; }
// Does an unoriented polygon contain a point?
// Tested by counting intersections along a horizontal line.
bool contains(const Point &point) const;