From 3a6c5a2fbdebc1121de7bd65ddc776e08091d339 Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Wed, 23 Mar 2022 17:29:56 -0400
Subject: [PATCH] Try supporting reuse of path allocation

---
 piker/ui/_curve.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/piker/ui/_curve.py b/piker/ui/_curve.py
index da2e6d23..2aeb60cf 100644
--- a/piker/ui/_curve.py
+++ b/piker/ui/_curve.py
@@ -376,7 +376,6 @@ class FastAppendCurve(pg.PlotCurveItem):
         self.xData = None  ## raw values
         self.yData = None
         self._renderSegmentList = None
-        # self.path = None
         self.fillPath = None
         self._fillPathList = None
         self._mouseShape = None
@@ -389,6 +388,10 @@ class FastAppendCurve(pg.PlotCurveItem):
             self.path.clear()
             self._redraw = True
 
+            # XXX: if not trying to leverage `.reserve()` allocs
+            # then you might as well create a new one..
+            # self.path = None
+
     def disable_cache(self) -> None:
         '''
         Disable the use of the pixel coordinate cache and trigger a geo event.