René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[Bug]: `multialignment='right'` in `ax.text()` with `path_effects` breaks when using LaTeX package `\\usepackage[T1]{fontenc}`","articleBody":"### Bug summary\r\n\r\nWhen I plot a multiline text using `ax.text()` with `path_effects` under TeX environment with package `\\usepackage[T1]{fontenc}` the multiline coalignment to right breaks.\r\n\r\n### Code for reproduction\r\n\r\n```Python\r\nimport matplotlib\r\nprint(matplotlib.__version__)\r\nimport matplotlib.pyplot as plt\r\nfrom matplotlib import rc_context, patheffects as path_effects\r\nprint(matplotlib.get_backend())\r\n\r\nwith rc_context({'text.usetex': True, 'font.family': 'serif', 'font.serif':'cm',\r\n                 'text.latex.preamble': r'\\usepackage[T1]{fontenc}'\r\n                 }):\r\n    fig, ax = plt.subplots(layout='constrained')\r\n    text1 = ax.text(0, 0.95, r'\\textbf{aaaaaaaaaaaaaaa}'\r\n            \"\\n\" + r'\\textbf{{\\quad\\textsc{aaaaaa}}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='left',linespacing=1.2,ma='left',\r\n            color='green', )\r\n    \r\n    text2 = ax.text(0, 0.8, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='left',linespacing=1.2,ma='right',\r\n            color='red', path_effects=[path_effects.Stroke(linewidth=1.2, foreground='black'),\r\n                                path_effects.Normal()])\r\n    \r\n    text3 = ax.text(1, 0.95, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='right',linespacing=1.2,ma='right',\r\n            color='red',)\r\n    \r\n    text4 = ax.text(1, 0.8, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='right',linespacing=1.2,ma='right',\r\n            color='red', path_effects=[path_effects.Stroke(linewidth=1.2, foreground='black'),\r\n                                path_effects.Normal()])\r\n    \r\n    ax.set_title(r'With \\textbackslash usepackage[T1]\\{fontenc\\}')\r\n\r\n    plt.show()\r\n\r\nwith rc_context({'text.usetex': True, 'font.family': 'serif', 'font.serif':'cm',\r\n                 }):\r\n    fig, ax = plt.subplots(layout='constrained')\r\n    text1 = ax.text(0, 0.95, r'\\textbf{aaaaaaaaaaaaaaa}'\r\n            \"\\n\" + r'\\textbf{{\\quad\\textsc{aaaaaa}}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='left',linespacing=1.2,ma='left',\r\n            color='green', )\r\n    \r\n    text2 = ax.text(0, 0.8, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='left',linespacing=1.2,ma='right',\r\n            color='red', path_effects=[path_effects.Stroke(linewidth=1.2, foreground='black'),\r\n                                path_effects.Normal()])\r\n    \r\n    text3 = ax.text(1, 0.95, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='right',linespacing=1.2,ma='right',\r\n            color='red',)\r\n    \r\n    text4 = ax.text(1, 0.8, r'\\textbf{aa}'\r\n            \"\\n\" + r'\\textbf{{aaaaaaaaaaaaaaa}}',\r\n            transform=ax.transAxes, fontsize=12, va='top', ha='right',linespacing=1.2,ma='right',\r\n            color='red', path_effects=[path_effects.Stroke(linewidth=1.2, foreground='black'),\r\n                                path_effects.Normal()])\r\n    \r\n    ax.set_title(r'Without \\textbackslash usepackage[T1]\\{fontenc\\}')\r\n\r\n    plt.show()\r\n```\r\n\r\n\r\n### Actual outcome\r\n\r\nThe `ma='right'` breaks for the bottom two texts with `path_effects`. \r\n![image](https://github.com/user-attachments/assets/57073cf1-1144-4dab-aa7f-2c0325ab4bc2)\r\n\r\n\r\n### Expected outcome\r\n\r\nI would expect something similar without `\\usepackage[T1]{fontenc}` below, but somehow I really want to include it because it provides some additional support, for example, nesting `\\textsc{}` in `\\textbf{}`.\r\n![image](https://github.com/user-attachments/assets/37c19e4b-450f-47c7-8511-284cf0784b2d)\r\n\r\n### Additional information\r\n\r\n_No response_\r\n\r\n### Operating system\r\n\r\nWSL 2.2.4.0/Ubuntu 22.04.3 LTS\r\n\r\n### Matplotlib Version\r\n\r\n3.9.1\r\n\r\n### Matplotlib Backend\r\n\r\nqtagg\r\n\r\n### Python version\r\n\r\n3.12.2\r\n\r\n### Jupyter version\r\n\r\n_No response_\r\n\r\n### Installation\r\n\r\nNone","author":{"url":"https://github.com/yjzhu-solar","@type":"Person","name":"yjzhu-solar"},"datePublished":"2024-08-07T15:36:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/28675/matplotlib/issues/28675"}