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pylab_examples_Examples 79_stix_fonts_demo. |
H.Kamifuji . |
- stix_fonts_demo.py
この事例は、Windows10_1909 で Python 3.9.0 環境では、動作しません。( ?????? がデグレートしたのか？ )
from __future__ import unicode_literals import os import sys import re import gc import matplotlib.pyplot as plt import numpy as np stests = [ r'$\mathcircled{123} \mathrm{\mathcircled{123}}' r' \mathbf{\mathcircled{123}}$', r'$\mathsf{Sans \Omega} \mathrm{\mathsf{Sans \Omega}}' r' \mathbf{\mathsf{Sans \Omega}}$', r'$\mathtt{Monospace}$', r'$\mathcal{CALLIGRAPHIC}$', r'$\mathbb{Blackboard \pi}$', r'$\mathrm{\mathbb{Blackboard \pi}}$', r'$\mathbf{\mathbb{Blackboard \pi}}$', r'$\mathfrak{Fraktur} \mathbf{\mathfrak{Fraktur}}$', r'$\mathscr{Script}$'] if sys.maxunicode > 0xffff: s = r'Direct Unicode: $\u23ce \mathrm{\ue0f2 \U0001D538}$' def doall(): tests = stests plt.figure(figsize=(8, (len(tests) * 1) + 2)) plt.plot([0, 0], 'r') plt.grid(False) plt.axis([0, 3, -len(tests), 0]) plt.yticks(np.arange(len(tests)) * -1) for i, s in enumerate(tests): plt.text(0.1, -i, s, fontsize=32) plt.savefig('stix_fonts_example') plt.show() if '--latex' in sys.argv: fd = open("stix_fonts_examples.ltx", "w") fd.write("\\documentclass{article}\n") fd.write("\\begin{document}\n") fd.write("\\begin{enumerate}\n") for i, s in enumerate(stests): s = re.sub(r"(?<!\\)\$", "$$", s) fd.write("\\item %s\n" % s) fd.write("\\end{enumerate}\n") fd.write("\\end{document}\n") fd.close() os.system("pdflatex stix_fonts_examples.ltx") else: doall()
- 実行結果( stix_fonts_demo.png )
Python 3.11.2 見直しました。上記のコードでは、下記のエラーが発生します。
stix_fonts_demo.txt
matplotlib 内部のエラーのようです。matplotlib の改修（先祖帰りバグの改修）を待つしかない。
Python 3.11.6 (matplotlib 3.7.1) では、下記のようなエラーがあり、実行できない。
Traceback (most recent call last): File "M:\usr\rehome10\Python\Py-Support\64_pylab_examples_Examples\04_\79_stix_fonts_demo\stix_fonts_demo.py", line 58, in
Python 3.12.0 (matplotlib 3.8.1) では、下記のようなエラーがあり、実行できない。doall() File "M:\usr\rehome10\Python\Py-Support\64_pylab_examples_Examples\04_\79_stix_fonts_demo\stix_fonts_demo.py", line 38, in doall plt.savefig('stix_fonts_example_ux') File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\pyplot.py", line 1023, in savefig res = fig.savefig(*args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\figure.py", line 3343, in savefig self.canvas.print_figure(fname, **kwargs) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backend_bases.py", line 2366, in print_figure result = print_method( ^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backend_bases.py", line 2232, in print_method = functools.wraps(meth)(lambda *args, **kwargs: meth( ^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 509, in print_png self._print_pil(filename_or_obj, "png", pil_kwargs, metadata) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 457, in _print_pil FigureCanvasAgg.draw(self) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 400, in draw self.figure.draw(self.renderer) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 95, in draw_wrapper result = draw(artist, renderer, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\figure.py", line 3140, in draw mimage._draw_list_compositing_images( File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\axes\_base.py", line 3064, in draw mimage._draw_list_compositing_images( File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\image.py", line 131, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 752, in draw bbox, info, descent = self._get_layout(renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 386, in _get_layout w, h, d = _get_text_metrics_with_cache( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 97, in _get_text_metrics_with_cache return _get_text_metrics_with_cache_impl( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\text.py", line 105, in _get_text_metrics_with_cache_impl return renderer_ref().get_text_width_height_descent(text, fontprop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\backends\backend_agg.py", line 230, in get_text_width_height_descent self.mathtext_parser.parse(s, self.dpi, prop) File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\mathtext.py", line 226, in parse return self._parse_cached(s, dpi, prop) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\mathtext.py", line 247, in _parse_cached box = self._parser.parse(s, fontset, fontsize, dpi) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\kamif\AppData\Local\Programs\Python\Python311\Lib\site-packages\matplotlib\_mathtext.py", line 1995, in parse raise ValueError("\n" + ParseException.explain(err, 0)) from None ValueError: \mathcircled{123} \mathrm{\mathcircled{123}} \mathbf{\mathcircled{123}} ^ ParseFatalException: Unknown symbol: \mathcircled, found '\' (at char 0), (line:1, col:1)
Traceback (most recent call last): File "E:\______\stix_fonts_demo.py", line 58, in
Python 3.11.6 (matplotlib 3.7.1) 及び Python 3.12.0 (matplotlib 3.8.1) で、見直し中、新しいサンプル(text-labels-and-annotations-stix-fonts-demo-py) を見つけ、下記のコードで、正常に実行できました。doall() File "E:\______\stix_fonts_demo.py", line 38, in doall plt.savefig('stix_fonts_example_ux') File "C:\Program Files\Python312\Lib\site-packages\matplotlib\pyplot.py", line 1119, in savefig res = fig.savefig(*args, **kwargs) # type: ignore[func-returns-value] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\figure.py", line 3390, in savefig self.canvas.print_figure(fname, **kwargs) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 2193, in print_figure result = print_method( ^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 2043, in print_method = functools.wraps(meth)(lambda *args, **kwargs: meth( ^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 497, in print_png self._print_pil(filename_or_obj, "png", pil_kwargs, metadata) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 445, in _print_pil FigureCanvasAgg.draw(self) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 388, in draw self.figure.draw(self.renderer) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 95, in draw_wrapper result = draw(artist, renderer, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\figure.py", line 3154, in draw mimage._draw_list_compositing_images( File "C:\Program Files\Python312\Lib\site-packages\matplotlib\image.py", line 132, in _draw_list_compositing_images a.draw(renderer) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axes\_base.py", line 3070, in draw mimage._draw_list_compositing_images( File "C:\Program Files\Python312\Lib\site-packages\matplotlib\image.py", line 132, in _draw_list_compositing_images a.draw(renderer) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 748, in draw bbox, info, descent = self._get_layout(renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 381, in _get_layout w, h, d = _get_text_metrics_with_cache( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 69, in _get_text_metrics_with_cache return _get_text_metrics_with_cache_impl( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 77, in _get_text_metrics_with_cache_impl return renderer_ref().get_text_width_height_descent(text, fontprop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 217, in get_text_width_height_descent self.mathtext_parser.parse(s, self.dpi, prop) File "C:\Program Files\Python312\Lib\site-packages\matplotlib\mathtext.py", line 79, in parse return self._parse_cached(s, dpi, prop, antialiased) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\mathtext.py", line 100, in _parse_cached box = self._parser.parse(s, fontset, fontsize, dpi) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Program Files\Python312\Lib\site-packages\matplotlib\_mathtext.py", line 2165, in parse raise ValueError("\n" + ParseException.explain(err, 0)) from None ValueError: \mathcircled{123} \mathrm{\mathcircled{123}} \mathbf{\mathcircled{123}} ^ ParseFatalException: Unknown symbol: \mathcircled, found '\' (at char 0), (line:1, col:1)
""" ========== STIX Fonts ========== Demonstration of `STIX Fonts
Python 3.11.6 (matplotlib 3.7.1) 及び Python 3.12.0 (matplotlib 3.8.1) 共に、正常実行です。
- 参照ページ
pylab_examples_Examples code: stix_fonts_demo.py
text-labels-and-annotations-stix-fonts-demo-py
- リリースノート
- 2023/12/05 Ver=1.04 Python 3.12.0 (matplotlib 3.8.1)で確認
- 2023/12/05 Ver=1.04 Python 3.11.6 (matplotlib 3.7.1)で確認
- 2023/04/04 Ver=1.03 Python 3.11.2 で確認
- 2020/11/01 Ver=1.01 Python 3.7.8 で確認
- 2018/12/04 Ver=1.01 初版リリース
- 関連ページ