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We have tests that check how code build on Gtk with Pango and Cairo renders shapes and text.

I can't get font rendering to match between different developers computers and CI.

The font seems to render 1 or 2 pixels higher or lower.

Hinting, and DPI may be setup different between these machines, can I set some environment variables to ensure fonts render at the same size and with the same hinting ?

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    A quick look at git grep getenv in cairo does not find anything interesting. What cairo versions are involved? Cairo recently gained support for subpixel positioning of glyphs. Before that, it rounded glyph positions to integer positions, I think. Besides that, no good ideas right now. Commented Apr 27, 2021 at 13:21
  • Thanks for having a look at this, I'll need to get our examples converted into pycairo and retest, then maybe come to the mailing list (currently, they are in shoebot, which has a few layers before calling pycairo). Commented Apr 29, 2021 at 23:05
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