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Commit9a9fce5

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Merge pull request#28300 from rcomer/empty-titles
Faster title alignment
2 parents2834da1 +1dfc773 commit9a9fce5

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2 files changed

+30
-11
lines changed

2 files changed

+30
-11
lines changed

‎lib/matplotlib/axes/_base.py

Lines changed: 18 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -2985,6 +2985,10 @@ def _update_title_position(self, renderer):
29852985

29862986
titles= (self.title,self._left_title,self._right_title)
29872987

2988+
ifnotany(title.get_text()fortitleintitles):
2989+
# If the titles are all empty, there is no need to update their positions.
2990+
return
2991+
29882992
# Need to check all our twins too, aligned axes, and all the children
29892993
# as well.
29902994
axs=set()
@@ -2996,21 +3000,24 @@ def _update_title_position(self, renderer):
29963000
locator=ax.get_axes_locator()
29973001
ax.apply_aspect(locator(self,renderer)iflocatorelseNone)
29983002

3003+
top=-np.inf
3004+
foraxinaxs:
3005+
bb=None
3006+
xticklabel_top=any(tick.label2.get_visible()fortickin
3007+
[ax.xaxis.majorTicks[0],ax.xaxis.minorTicks[0]])
3008+
if (xticklabel_toporax.xaxis.get_label_position()=='top'):
3009+
bb=ax.xaxis.get_tightbbox(renderer)
3010+
ifbbisNone:
3011+
# Extent of the outline for colorbars, of the axes otherwise.
3012+
bb=ax.spines.get("outline",ax).get_window_extent()
3013+
top=max(top,bb.ymax)
3014+
29993015
fortitleintitles:
30003016
x,_=title.get_position()
30013017
# need to start again in case of window resizing
30023018
title.set_position((x,1.0))
3003-
top=-np.inf
3004-
foraxinaxs:
3005-
bb=None
3006-
if (ax.xaxis.get_ticks_position()in ['top','unknown']
3007-
orax.xaxis.get_label_position()=='top'):
3008-
bb=ax.xaxis.get_tightbbox(renderer)
3009-
ifbbisNone:
3010-
# Extent of the outline for colorbars, of the axes otherwise.
3011-
bb=ax.spines.get("outline",ax).get_window_extent()
3012-
top=max(top,bb.ymax)
3013-
iftitle.get_text():
3019+
iftitle.get_text():
3020+
foraxinaxs:
30143021
ax.yaxis.get_tightbbox(renderer)# update offsetText
30153022
ifax.yaxis.offsetText.get_text():
30163023
bb=ax.yaxis.offsetText.get_tightbbox(renderer)

‎lib/matplotlib/tests/test_axes.py

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -7118,6 +7118,18 @@ def test_title_no_move_off_page():
71187118
asserttt.get_position()[1]==1.0
71197119

71207120

7121+
deftest_title_inset_ax():
7122+
# Title should be above any child axes
7123+
mpl.rcParams['axes.titley']=None
7124+
fig,ax=plt.subplots()
7125+
ax.set_title('Title')
7126+
fig.draw_without_rendering()
7127+
assertax.title.get_position()[1]==1
7128+
ax.inset_axes([0,1,1,0.1])
7129+
fig.draw_without_rendering()
7130+
assertax.title.get_position()[1]==1.1
7131+
7132+
71217133
deftest_offset_label_color():
71227134
# Tests issue 6440
71237135
fig,ax=plt.subplots()

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