[Bf-blender-cvs] [18302f3dfa5] gpencil-new-data-proposal: Fix: `strokes_as_curves()` can return null curves

[Hans Goudey]

Commit: 18302f3dfa5fb5e3299c8609cbf4425467048322
Author: Hans Goudey
Date:   Mon Dec 12 13:08:01 2022 -0600
Branches: gpencil-new-data-proposal
https://developer.blender.org/rB18302f3dfa5fb5e3299c8609cbf4425467048322

Fix: `strokes_as_curves()` can return null curves

===================================================================

M	source/blender/blenkernel/intern/gpencil_new_proposal.cc

===================================================================

diff --git a/source/blender/blenkernel/intern/gpencil_new_proposal.cc b/source/blender/blenkernel/intern/gpencil_new_proposal.cc
index 551e0bd58fe..5f91d050f6b 100644
--- a/source/blender/blenkernel/intern/gpencil_new_proposal.cc
+++ b/source/blender/blenkernel/intern/gpencil_new_proposal.cc
@@ -164,11 +164,15 @@ bool GPFrame::operator==(const GPFrame &other) const
 
 CurvesGeometry &GPFrame::strokes_as_curves()
 {
+  if (!this->strokes) {
+    this->strokes = MEM_new<CurvesGeometry>(__func__);
+  }
   return CurvesGeometry::wrap(*this->strokes);
 }
 
 const CurvesGeometry &GPFrame::strokes_as_curves() const
 {
+  BLI_assert(this->strokes != nullptr);
   return CurvesGeometry::wrap(*this->strokes);
 }
 
@@ -206,9 +210,6 @@ Vector<GPStroke> GPFrame::strokes_for_write()
 
 GPStroke GPFrame::add_new_stroke(int new_points_num)
 {
-  if (this->strokes == nullptr) {
-    this->strokes = MEM_new<CurvesGeometry>(__func__);
-  }
   CurvesGeometry &strokes = this->strokes_as_curves();
   int orig_last_offset = strokes.offsets().last();
 
@@ -667,4 +668,4 @@ void GPData::update_frames_array()
   this->runtime->frames_index_range_cache.clear();
 }
 
-}  // namespace blender::bke
\ No newline at end of file
+}  // namespace blender::bke