1 files changed, 28 insertions, 0 deletions
diff --git a/xs/src/libslic3r/Surface.cpp b/xs/src/libslic3r/Surface.cpp
index 4d2234e4d..5df2dd99a 100644
--- a/xs/src/libslic3r/Surface.cpp
+++ b/xs/src/libslic3r/Surface.cpp
@@ -1,3 +1,4 @@
+#include "BoundingBox.hpp"
 #include "Surface.hpp"
 
 namespace Slic3r {
@@ -54,4 +55,31 @@ Surface::is_bridge() const
         || this->surface_type == stInternalBridge;
 }
 
+BoundingBox get_extents(const Surface &surface)
+{
+    return get_extents(surface.expolygon.contour);
+}
+
+BoundingBox get_extents(const Surfaces &surfaces)
+{
+    BoundingBox bbox;
+    if (! surfaces.empty()) {
+        bbox = get_extents(surfaces.front());
+        for (size_t i = 1; i < surfaces.size(); ++ i)
+            bbox.merge(get_extents(surfaces[i]));
+    }
+    return bbox;
+}
+
+BoundingBox get_extents(const SurfacesPtr &surfaces)
+{
+    BoundingBox bbox;
+    if (! surfaces.empty()) {
+        bbox = get_extents(*surfaces.front());
+        for (size_t i = 1; i < surfaces.size(); ++ i)
+            bbox.merge(get_extents(*surfaces[i]));
+    }
+    return bbox;
+}
+
 }