From 284827cc77ab46660380827e1242db692049e187 Mon Sep 17 00:00:00 2001
From: Kyle Sunden <git@ksunden.space>
Date: Fri, 10 Feb 2023 13:43:42 -0600
Subject: [PATCH] Fix displacement of colorbar for eps with bbox_inches='tight'

Co-authored-by: Antony Lee <anntzer.lee@gmail.com>

Closes #25176
---
 lib/matplotlib/backends/backend_ps.py         |   5 +-
 .../test_backend_ps/colorbar_shift.eps        | 897 ++++++++++++++++++
 lib/matplotlib/tests/test_backend_ps.py       |  10 +
 3 files changed, 910 insertions(+), 2 deletions(-)
 create mode 100644 lib/matplotlib/tests/baseline_images/test_backend_ps/colorbar_shift.eps

diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
index a7168591430b..eb18d18d660d 100644
--- a/lib/matplotlib/backends/backend_ps.py
+++ b/lib/matplotlib/backends/backend_ps.py
@@ -825,7 +825,7 @@ def get_default_filetype(self):
     def _print_ps(
             self, fmt, outfile, *,
             metadata=None, papertype=None, orientation='portrait',
-            **kwargs):
+            bbox_inches_restore=None, **kwargs):
 
         dpi = self.figure.dpi
         self.figure.dpi = 72  # Override the dpi kwarg
@@ -860,7 +860,8 @@ def _print_ps(
                    if mpl.rcParams['text.usetex'] else
                    self._print_figure)
         printer(fmt, outfile, dpi=dpi, dsc_comments=dsc_comments,
-                orientation=orientation, papertype=papertype, **kwargs)
+                orientation=orientation, papertype=papertype,
+                bbox_inches_restore=bbox_inches_restore, **kwargs)
 
     def _print_figure(
             self, fmt, outfile, *,
diff --git a/lib/matplotlib/tests/baseline_images/test_backend_ps/colorbar_shift.eps b/lib/matplotlib/tests/baseline_images/test_backend_ps/colorbar_shift.eps
new file mode 100644
index 000000000000..b88e23a33c42
--- /dev/null
+++ b/lib/matplotlib/tests/baseline_images/test_backend_ps/colorbar_shift.eps
@@ -0,0 +1,897 @@
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+
+end
+showpage
diff --git a/lib/matplotlib/tests/test_backend_ps.py b/lib/matplotlib/tests/test_backend_ps.py
index b3e933a89a25..57d1172126f8 100644
--- a/lib/matplotlib/tests/test_backend_ps.py
+++ b/lib/matplotlib/tests/test_backend_ps.py
@@ -15,6 +15,7 @@
 from matplotlib.testing.decorators import check_figures_equal, image_comparison
 import matplotlib as mpl
 import matplotlib.collections as mcollections
+import matplotlib.colors as mcolors
 import matplotlib.pyplot as plt
 
 
@@ -327,3 +328,12 @@ def test_path_collection():
                                      facecolors='yellow', offsets=offsets)
     ax.add_collection(pc)
     ax.set_xlim(0, 1)
+
+
+@image_comparison(["colorbar_shift.eps"], savefig_kwarg={"bbox_inches": "tight"},
+                  style="mpl20")
+def test_colorbar_shift(tmp_path):
+    cmap = mcolors.ListedColormap(["r", "g", "b"])
+    norm = mcolors.BoundaryNorm([-1, -0.5, 0.5, 1], cmap.N)
+    plt.scatter([0, 1], [1, 1], c=[0, 1], cmap=cmap, norm=norm)
+    plt.colorbar()