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[Bug]: Font-Fallback implemented in 3.6.0 does not work for title or labels #23992

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tinyboxvk opened this issue Sep 24, 2022 · 2 comments
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[Bug]: Font-Fallback implemented in 3.6.0 does not work for title or labels #23992

tinyboxvk opened this issue Sep 24, 2022 · 2 comments
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Community support Users in need of help.

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@tinyboxvk
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tinyboxvk commented Sep 24, 2022 •
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Bug summary

Font-Fallback implemented in #20740 does not work for title or labels.

Code for reproduction

import matplotlib.pyplot as plt


def plot_graph():
    fig, ax = plt.subplots(figsize=(6, 3))
    text = 'There are 倚δΈͺ汉字 πŸ‘ˆπŸ‘‰ in between!'
    plt.rcParams['font.family'] = ['Segoe UI Emoji', 'SimHei']
    plt.figtext(0.3, 0.7, text)
    plt.title(text)
    plt.xlabel(text)
    plt.ylabel(text)
    plt.show()


plot_graph()

Actual outcome

2022-09-23_22-07-35_python

Expected outcome

Title and labels should be displayed correctly like the figtext.

Additional information

No response

Operating system

Windows

Matplotlib Version

3.6.0

Matplotlib Backend

TkAgg

Python version

3.10.7

Jupyter version

No response

Installation

pip
@tinyboxvk tinyboxvk changed the title [Bug]: Font-Fallback implemented in 3.6.0 does not work for title [Bug]: Font-Fallback implemented in 3.6.0 does not work for title or labels Sep 24, 2022
@anzhi0708
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image

Same, macOS 12.3

@QuLogic
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QuLogic commented Sep 24, 2022 

    fig, ax = plt.subplots(figsize=(6, 3))
    text = 'There are 倚δΈͺ汉字 πŸ‘ˆπŸ‘‰ in between!'
    plt.rcParams['font.family'] = ['Segoe UI Emoji', 'SimHei']

That's because you set the rcParam after creating the figure. The same thing would happen to the other text if you put it after figtext as well.

You need to set the rcParam before calling plt.subplots.

@timhoffm timhoffm added the Community support Users in need of help. label Sep 24, 2022
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@QuLogic @timhoffm @tinyboxvk @anzhi0708