Cleanup of some method signatures and of XS return types

1 files changed, 10 insertions, 7 deletions

diff --git a/xs/src/libslic3r/ExPolygon.cpp b/xs/src/libslic3r/ExPolygon.cpp
index 2c5246aad..9a4215864 100644
--- a/xs/src/libslic3r/ExPolygon.cpp
+++ b/xs/src/libslic3r/ExPolygon.cpp
@@ -167,9 +167,11 @@ ExPolygon::medial_axis(double max_width, double min_width, Polylines* polylines)
     Slic3r::Geometry::MedialAxis ma(max_width, min_width);
     
     // populate list of segments for the Voronoi diagram
-    this->contour.lines(&ma.lines);
-    for (Polygons::const_iterator hole = this->holes.begin(); hole != this->holes.end(); ++hole)
-        hole->lines(&ma.lines);
+    ma.lines = this->contour.lines();
+    for (Polygons::const_iterator hole = this->holes.begin(); hole != this->holes.end(); ++hole) {
+        Lines lines = hole->lines();
+        ma.lines.insert(ma.lines.end(), lines.begin(), lines.end());
+    }
     
     // compute the Voronoi diagram
     ma.build(polylines);
@@ -384,10 +386,11 @@ ExPolygon::triangulate_p2t(Polygons* polygons) const
 Lines
 ExPolygon::lines() const
 {
-    Lines lines;
-    this->contour.lines(&lines);
-    for (Polygons::const_iterator h = this->holes.begin(); h != this->holes.end(); ++h)
-        h->lines(&lines);
+    Lines lines = this->contour.lines();
+    for (Polygons::const_iterator h = this->holes.begin(); h != this->holes.end(); ++h) {
+        Lines hole_lines = h->lines();
+        lines.insert(lines.end(), hole_lines.begin(), hole_lines.end());
+    }
     return lines;
 }