GeezerVison

PR summary

If a backend doesn't implement draw_text, then we fall back to this implementation that draws paths. It was previously missing support for font features and languages.

Unfortunately, there is currently no way to test this, as all our internal renderers override draw_text, and not using it would produce completely different images due to paths rendering differently than FreeType's images.

You can manually test this by renaming RendererAgg.draw_text and then running, e.g., pytest lib/matplotlib/tests/test_text.py -k 'language or feature'

I put together a test that does exactly that using monkey patching to ensure we use the fallback path.

AI Disclosure

None

PR checklist

• [n/a] "closes #0000" is in the body of the PR description to link the related issue
• new and changed code is tested
• [n/a] Plotting related features are demonstrated in an example
• [n/a] New Features and API Changes are noted with a directive and release note
• [n/a] Documentation complies with general and docstring guidelines