I'm using Fontforge to design a typeface, but I have a problem: I cannot draw round circles! :(
I click the circle tool, then draw the circle in the usual fashion (holding down Shift to get a circle, rather than an ellipse) – but as soon as I let go of the left mouse button, the circle changes and wind up looking all irregular, like this:
Background: I'm working by expanding the GNU FreeSans font (a Truetype font) to which I'm adding glyphs for my own writing system. If I open a new project in Fontforge, drawing circles works just fine.
I'm thinking this has something to do with the fact that PostScript fonts use cubic Bézier curves, while Truetype uses quadratic? (Though this is only a guess on my part.)
According to the "Help > About…" menu, I'm using the following version of Fontforge:
git hash: b9149c13e... Version: 00:15 UTC 31-Jul-2017