Well, you could write a library now, which would draw a font with setPixel. There's an outstanding issue in GitHub for an Image class which might make it faster though: https://github.com/espruino/Espruino/issues/198
It's hard about the Vector font - I could try using a font that was less bold I guess. As it is, it's just drawing polygons, so I don't think I could easily tweak the widths.
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Well, you could write a library now, which would draw a font with setPixel. There's an outstanding issue in GitHub for an Image class which might make it faster though: https://github.com/espruino/Espruino/issues/198
It's hard about the Vector font - I could try using a font that was less bold I guess. As it is, it's just drawing polygons, so I don't think I could easily tweak the widths.