René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"AnnotationBbox returns weird window_extent?","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n\r\n**Bug summary**\r\n\r\nA TextArea that is placed onto the figure with an AnnotationBbox at the same location as an ax.text returns a different window extent and I can't figure out why that is / how to get the window extent in the same coordinates.\r\n\r\nSame for AnnotationBbox with xycoords=fig.transFigure and fig.text.\r\n\r\n**Code for reproduction**\r\n\r\n```python\r\nimport matplotlib.pyplot as plt\r\nimport matplotlib as mpl\r\nfrom matplotlib.offsetbox import AnnotationBbox, TextArea\r\n\r\nfig, ax = plt.subplots(1, 2, figsize=(6, 4))\r\n\r\nfigtext = fig.text(s='text', x=0.5, y=0.5, ha='center', va='center', color='C1')\r\n\r\ntextarea = TextArea(s='text', textprops={'color': 'None'})\r\nannobox = AnnotationBbox(textarea, xy=(0.5, 0.5),\r\n                         bboxprops={'facecolor': 'lightgrey', 'alpha': 0.5, 'edgecolor': 'none'})\r\nax[0].add_artist(annobox)\r\n\r\naxtext = ax[0].text(s='text', x=0.5, y=0.5, ha='center', va='center', color='C1', zorder=9)\r\n\r\ntextarea2 = TextArea(s='text', textprops={'color': 'None'})\r\nannobox2 = AnnotationBbox(textarea2, xy=(0.5, 0.5), xycoords=fig.transFigure,\r\n                         bboxprops={'facecolor': 'lightgrey', 'alpha': 0.5, 'edgecolor': 'none'})\r\nax[0].add_artist(annobox2)\r\n\r\nplt.show()\r\n\r\nrenderer = fig.canvas.get_renderer()\r\nprint(axtext.get_window_extent(renderer),'\\n',\r\n      annobox.get_window_extent(renderer))\r\n\r\nprint(figtext.get_window_extent(renderer),'\\n',\r\n      annobox2.get_window_extent(renderer))\r\n```\r\n\r\n**Actual outcome**\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n```\r\nBbox(x0=120.27840909090907, y0=139.72, x1=139.90340909090907, y1=149.72) \r\n Bbox(x0=184.5193181818182, y0=247.34000000000003, x1=383.9625, y1=282.34000000000003)\r\n\r\nBbox(x0=206.1875, y0=139.0, x1=225.8125, y1=149.0) \r\n Bbox(x0=356.3375, y0=245.89999999999998, x1=411.9625, y1=280.9)\r\n```\r\n\r\n\u003cimg width=\"380\" alt=\"AnnotationBBox_example\" src=\"https://user-images.githubusercontent.com/34557509/108106404-2f875f80-708e-11eb-84a6-e0965f7ba507.png\"\u003e\r\n\r\n\r\n**Expected outcome**\r\n\r\nI would expect to get the same window_extents returned both times as they show above one another on the plot.\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system: MacOS\r\n  * Matplotlib version 3.3.2\r\n  * Matplotlib backend module://ipykernel.pylab.backend_inline\r\n  * Python version: \r\n  * Jupyter version (if applicable): \r\n  * Other libraries: \r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/znstrider","@type":"Person","name":"znstrider"},"datePublished":"2021-02-16T18:42:30.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/19530/matplotlib/issues/19530"}