From df862f474f43bb650206790c1e4cbab5cfe5650a Mon Sep 17 00:00:00 2001
From: Tom Gillam <tpgillam@googlemail.com>
Date: Sat, 3 Aug 2024 12:13:48 +0100
Subject: [PATCH 1/2] Use optimised form to update datalim given a path

---
 lib/matplotlib/axes/_base.py | 20 +++++---------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index a0e588569465..25ac8c4b2c88 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -2429,18 +2429,6 @@ def _update_patch_limits(self, patch):
         if (isinstance(patch, mpatches.Rectangle) and
                 ((not patch.get_width()) and (not patch.get_height()))):
             return
-        p = patch.get_path()
-        # Get all vertices on the path
-        # Loop through each segment to get extrema for Bezier curve sections
-        vertices = []
-        for curve, code in p.iter_bezier(simplify=False):
-            # Get distance along the curve of any extrema
-            _, dzeros = curve.axis_aligned_extrema()
-            # Calculate vertices of start, end and any extrema in between
-            vertices.append(curve([0, *dzeros, 1]))
-
-        if len(vertices):
-            vertices = np.vstack(vertices)
 
         patch_trf = patch.get_transform()
         updatex, updatey = patch_trf.contains_branch_seperately(self.transData)
@@ -2452,9 +2440,11 @@ def _update_patch_limits(self, patch):
                 updatex = False
             if updatey and patch_trf == self.get_xaxis_transform():
                 updatey = False
-        trf_to_data = patch_trf - self.transData
-        xys = trf_to_data.transform(vertices)
-        self.update_datalim(xys, updatex=updatex, updatey=updatey)
+        self.dataLim.update_from_path(patch.get_path(),
+                                      self.ignore_existing_data_limits,
+                                      updatex=updatex, updatey=updatey)
+        self.ignore_existing_data_limits = False
+
 
     def add_table(self, tab):
         """

From 82afdeb3ba673c3b35d394a82a9f6798f009911b Mon Sep 17 00:00:00 2001
From: Tom Gillam <tpgillam@googlemail.com>
Date: Sat, 3 Aug 2024 12:48:23 +0100
Subject: [PATCH 2/2] Remove extraneous blank line

---
 lib/matplotlib/axes/_base.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
index 25ac8c4b2c88..7c2d8d9f2f01 100644
--- a/lib/matplotlib/axes/_base.py
+++ b/lib/matplotlib/axes/_base.py
@@ -2445,7 +2445,6 @@ def _update_patch_limits(self, patch):
                                       updatex=updatex, updatey=updatey)
         self.ignore_existing_data_limits = False
 
-
     def add_table(self, tab):
         """
         Add a `.Table` to the Axes; return the table.