From 151f5a083d4025df88645ee42d9e94d1822af39c Mon Sep 17 00:00:00 2001
From: Antony Lee <anntzer.lee@gmail.com>
Date: Fri, 19 Jun 2020 19:00:40 +0200
Subject: [PATCH] Backport PR #17676: FIX: correctly process the tick label
size
---
lib/matplotlib/axis.py | 2 +-
lib/matplotlib/tests/test_axes.py | 21 ++++++++++++++++++---
2 files changed, 19 insertions(+), 4 deletions(-)
diff --git a/lib/matplotlib/axis.py b/lib/matplotlib/axis.py
index 803643480e48..cfab4ce19c40 100644
--- a/lib/matplotlib/axis.py
+++ b/lib/matplotlib/axis.py
@@ -1340,7 +1340,7 @@ def _get_tick_label_size(self, axis_name):
tick_kw = self._major_tick_kw
size = tick_kw.get('labelsize',
mpl.rcParams[f'{axis_name}tick.labelsize'])
- return mtext.FontProperties(size).get_size_in_points()
+ return mtext.FontProperties(size=size).get_size_in_points()
def _copy_tick_props(self, src, dest):
"""Copy the properties from *src* tick to *dest* tick."""
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
index 2a61b232f463..ed941744754e 100644
--- a/lib/matplotlib/tests/test_axes.py
+++ b/lib/matplotlib/tests/test_axes.py
@@ -21,11 +21,12 @@
import matplotlib as mpl
from matplotlib.testing.decorators import (
image_comparison, check_figures_equal, remove_ticks_and_titles)
-import matplotlib.pyplot as plt
-import matplotlib.markers as mmarkers
-import matplotlib.patches as mpatches
import matplotlib.colors as mcolors
import matplotlib.dates as mdates
+import matplotlib.font_manager as mfont_manager
+import matplotlib.markers as mmarkers
+import matplotlib.patches as mpatches
+import matplotlib.pyplot as plt
import matplotlib.ticker as mticker
import matplotlib.transforms as mtransforms
from numpy.testing import (
@@ -6322,3 +6323,17 @@ def test_autoscale_tiny_sticky():
ax.bar(0, 1e-9)
fig.canvas.draw()
assert ax.get_ylim() == (0, 1.05e-9)
+
+
+@pytest.mark.parametrize('size', [size for size in mfont_manager.font_scalings
+ if size is not None] + [8, 10, 12])
+@pytest.mark.style('default')
+def test_relative_ticklabel_sizes(size):
+ mpl.rcParams['xtick.labelsize'] = size
+ mpl.rcParams['ytick.labelsize'] = size
+ fig, ax = plt.subplots()
+ fig.canvas.draw()
+
+ for name, axis in zip(['x', 'y'], [ax.xaxis, ax.yaxis]):
+ for tick in axis.get_major_ticks():
+ assert tick.label1.get_size() == axis._get_tick_label_size(name)