WIP: Generating offset curves with properly rounded corners from

a Voronoi diagram. Curve extraction is based on the OpenVoronoi implementation.

src/libslic3r/CMakeLists.txt

@@ -188,6 +188,8 @@ add_library(libslic3r STATIC
     Time.cpp
     Time.hpp
     MTUtils.hpp
+    VoronoiOffset.cpp
+    VoronoiOffset.hpp
     Zipper.hpp
     Zipper.cpp
     MinAreaBoundingBox.hpp