1 files changed, 17 insertions, 0 deletions
diff --git a/xs/src/libslic3r/Polyline.cpp b/xs/src/libslic3r/Polyline.cpp
index baa2bbf5d..08717b57c 100644
--- a/xs/src/libslic3r/Polyline.cpp
+++ b/xs/src/libslic3r/Polyline.cpp
@@ -1,3 +1,4 @@
+#include "BoundingBox.hpp"
 #include "Polyline.hpp"
 #include "ExPolygon.hpp"
 #include "ExPolygonCollection.hpp"
@@ -220,6 +221,22 @@ Polyline::wkt() const
     return wkt.str();
 }
 
+BoundingBox get_extents(const Polyline &polyline)
+{
+    return polyline.bounding_box();
+}
+
+BoundingBox get_extents(const Polylines &polylines)
+{
+    BoundingBox bb;
+    if (! polylines.empty()) {
+        bb = polylines.front().bounding_box();
+        for (size_t i = 1; i < polylines.size(); ++ i)
+            bb.merge(polylines[i]);
+    }
+    return bb;
+}
+
 ThickLines
 ThickPolyline::thicklines() const
 {