From aef1bf7f37c83343e941333d9c7e130e90a110ce Mon Sep 17 00:00:00 2001
From: Joseph Lenox <lenox.joseph@gmail.com>
Date: Mon, 30 Apr 2018 22:17:42 -0500
Subject: [PATCH] Ported scaled_points_to_pixel, made Polygon and Polylines
 versions.

---
 src/GUI/Plater/Plate2D.cpp | 10 ++++++++++
 src/GUI/Plater/Plate2D.hpp |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/GUI/Plater/Plate2D.cpp b/src/GUI/Plater/Plate2D.cpp
index e9a906c22..3791b10b8 100644
--- a/src/GUI/Plater/Plate2D.cpp
+++ b/src/GUI/Plater/Plate2D.cpp
@@ -157,6 +157,16 @@ void Plate2D::update_bed_size() {
     assert(this->scaling_factor != 0);
 
 
+std::vector<wxPoint> Plate2D::scaled_points_to_pixel(const Slic3r::Polygon& poly, bool unscale) {
+    return this->scaled_points_to_pixel(Polyline(poly),  unscale);
 }
 
+std::vector<wxPoint> Plate2D::scaled_points_to_pixel(const Slic3r::Polyline& poly, bool unscale) {
+    std::vector<wxPoint> result;
+    for (const auto& pt : poly.points) {
+        const auto tmp {wxPoint(pt.x, pt.y)};
+        result.push_back( (unscale ? unscaled_point_to_pixel(tmp) : tmp) );
+    }
+    return result;
+}
 } } // Namespace Slic3r::GUI
diff --git a/src/GUI/Plater/Plate2D.hpp b/src/GUI/Plater/Plate2D.hpp
index 5bd57e75f..6c7ab3dc8 100644
--- a/src/GUI/Plater/Plate2D.hpp
+++ b/src/GUI/Plater/Plate2D.hpp
@@ -66,7 +66,8 @@ private:
     void set_colors();
 
     /// Convert a scale point array to a pixel polygon suitable for DrawPolygon
-    std::vector<wxPoint> scaled_points_to_pixel(std::vector<wxPoint> points, bool unscale);
+    std::vector<wxPoint> scaled_points_to_pixel(const Slic3r::Polygon& poly, bool unscale);
+    std::vector<wxPoint> scaled_points_to_pixel(const Slic3r::Polyline& poly, bool unscale);
 
     // For a specific point, unscaled it 
     wxPoint unscaled_point_to_pixel(const wxPoint& in) {