1 files changed, 16 insertions, 11 deletions

diff --git a/xs/src/libslic3r/Polyline.hpp b/xs/src/libslic3r/Polyline.hpp
index b64743d84..0c934e074 100644
--- a/xs/src/libslic3r/Polyline.hpp
+++ b/xs/src/libslic3r/Polyline.hpp
@@ -19,14 +19,15 @@ public:
     Polyline() {};
     Polyline(const Polyline &other) : MultiPoint(other.points) {}
     Polyline(Polyline &&other) : MultiPoint(std::move(other.points)) {}
+    Polyline(std::initializer_list<Point> list) : MultiPoint(list) {}
+    explicit Polyline(const Point &p1, const Point &p2) { points.reserve(2); points.emplace_back(p1); points.emplace_back(p2); }
     Polyline& operator=(const Polyline &other) { points = other.points; return *this; }
     Polyline& operator=(Polyline &&other) { points = std::move(other.points); return *this; }
-	static Polyline new_scale(std::vector<Pointf> points) {
+	static Polyline new_scale(const std::vector<Vec2d> &points) {
 		Polyline pl;
-		Points int_points;
-		for (auto pt : points)
-			int_points.push_back(Point::new_scale(pt.x, pt.y));
-		pl.append(int_points);
+		pl.points.reserve(points.size());
+		for (const Vec2d &pt : points)
+			pl.points.emplace_back(Point::new_scale(pt(0), pt(1)));
 		return pl;
     }
     
@@ -71,7 +72,6 @@ public:
     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);
@@ -129,12 +129,17 @@ inline void polylines_append(Polylines &dst, Polylines &&src)
 bool remove_degenerate(Polylines &polylines);
 
 class ThickPolyline : public Polyline {
-    public:
-    std::vector<coordf_t> width;
-    std::pair<bool,bool> endpoints;
-    ThickPolyline() : endpoints(std::make_pair(false, false)) {};
+public:
+    ThickPolyline() : endpoints(std::make_pair(false, false)) {}
     ThickLines thicklines() const;
-    void reverse();
+    void reverse() {
+        Polyline::reverse();
+        std::reverse(this->width.begin(), this->width.end());
+        std::swap(this->endpoints.first, this->endpoints.second);
+    }
+
+    std::vector<coordf_t> width;
+    std::pair<bool,bool>  endpoints;
 };
 
 class Polyline3 : public MultiPoint3