Curves: Support set origin and apply transform operators

Add support for the Curves object to the "Set Origin" and "Apply Object
Tansform" operators. Also change the automatic handle calculation to
avoid adding Bezier attributes if they don't need to be added.

Differential Revision: https://developer.blender.org/D14526

1 files changed, 4 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/curves_geometry.cc b/source/blender/blenkernel/intern/curves_geometry.cc
index b0a97bb0df8..552d7622932 100644
--- a/source/blender/blenkernel/intern/curves_geometry.cc
+++ b/source/blender/blenkernel/intern/curves_geometry.cc
@@ -772,6 +772,10 @@ void CurvesGeometry::calculate_bezier_auto_handles()
   if (types.is_single() && types.get_internal_single() != CURVE_TYPE_BEZIER) {
     return;
   }
+  if (std::as_const(*this).handle_positions_left().is_empty() ||
+      std::as_const(*this).handle_positions_right().is_empty()) {
+    return;
+  }
   const VArray<bool> cyclic = std::as_const(*this).cyclic();
   const Span<int8_t> types_left = this->handle_types_left();
   const Span<int8_t> types_right = this->handle_types_right();