From 9a76ce5b66d14e3f536fff4e79faa3a20f4b166c Mon Sep 17 00:00:00 2001
From: jan <jan@orange.mpxd.net>
Date: Sun, 8 Mar 2026 22:41:11 -0700
Subject: [PATCH] [Path] cap_extensions=None should mean [0, 0] when using
 custom extensions

---
 masque/shapes/path.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/masque/shapes/path.py b/masque/shapes/path.py
index 9c31561..d4c7b24 100644
--- a/masque/shapes/path.py
+++ b/masque/shapes/path.py
@@ -88,10 +88,10 @@ class Path(Shape):
     def cap(self, val: PathCap) -> None:
         self._cap = PathCap(val)
         if self.cap != PathCap.SquareCustom:
-            self.cap_extensions = None
-        elif self.cap_extensions is None:
+            self._cap_extensions = None
+        elif self._cap_extensions is None:
             # just got set to SquareCustom
-            self.cap_extensions = numpy.zeros(2)
+            self._cap_extensions = numpy.zeros(2)
 
     # cap_extensions property
     @property
@@ -218,9 +218,12 @@ class Path(Shape):
             self.vertices = vertices
             self.repetition = repetition
             self.annotations = annotations
+            self._cap = cap
+            if cap == PathCap.SquareCustom and cap_extensions is None:
+                self._cap_extensions = numpy.zeros(2)
+            else:
+                self.cap_extensions = cap_extensions
             self.width = width
-            self.cap = cap
-            self.cap_extensions = cap_extensions
         if rotation:
             self.rotate(rotation)
         if numpy.any(offset):