From 4860d63b01aa2dea64fba63ef15d353a1e82c7bf Mon Sep 17 00:00:00 2001
From: Joseph Lenox <lenox.joseph@gmail.com>
Date: Sat, 5 May 2018 16:10:43 -0500
Subject: [PATCH] Add static method to create scaled Polygons from Pointf
 arrays.

---
 xs/src/libslic3r/Polygon.cpp | 11 +++++++++++
 xs/src/libslic3r/Polygon.hpp |  2 ++
 2 files changed, 13 insertions(+)

diff --git a/xs/src/libslic3r/Polygon.cpp b/xs/src/libslic3r/Polygon.cpp
index b14b7d0fa..d809294f1 100644
--- a/xs/src/libslic3r/Polygon.cpp
+++ b/xs/src/libslic3r/Polygon.cpp
@@ -293,4 +293,15 @@ Polygon::convex_points(double angle) const
     return convex;
 }
 
+Polygon Polygon::new_scale(const Pointfs& p) {
+    Points scaled_p;
+    for (auto i : p) {
+        // scale each individual point and append to a new array
+        scaled_p.push_back(scale_(i.x), scale_(i.y));
+    }
+    return Slic3r::Polygon(scaled_p);
+};
+
+
+
 }
diff --git a/xs/src/libslic3r/Polygon.hpp b/xs/src/libslic3r/Polygon.hpp
index b1576ad27..1534de40c 100644
--- a/xs/src/libslic3r/Polygon.hpp
+++ b/xs/src/libslic3r/Polygon.hpp
@@ -48,6 +48,8 @@ class Polygon : public MultiPoint {
     std::string wkt() const;
     Points concave_points(double angle = PI) const;
     Points convex_points(double angle = PI) const;
+
+    static Polygon new_scale(const Pointfs& p);
 };
 
 inline Polygons