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epilys / gerb

Graphical font editor (GTK + Rust)
GNU General Public License v3.0
322 stars 8 forks source link

Feature Request: importing FontForge files #42

Open szabi opened 1 year ago

szabi commented 1 year ago

Support importing FontForge files would -- as a perspective -- a booster feature for adoption.

epilys commented 1 year ago

Notes:

I found this: https://github.com/fontforge/sfd2ufo/blob/master/Lib/sfd2ufo/__init__.py. There doesn't seem to be any converter from sdf to ufo that doesn't depend on the fontforge python module. This script can be added temporarily with fontforge available as a hard requirement. The Glyphs import script does the same more or less (though I want to bundle its dependencies in the future).

The file format is not small: https://github.com/fontforge/fontforge/blob/master/fontforge/sfd.c

Alternatively writing a converter from scratch in pure python3 or rust might be the best solution. It'd be great to have this in the first stable releases.

jenskutilek commented 1 year ago

FWIW, I've made a barebones FontForge importer for Glyphs with Python: https://github.com/jenskutilek/Glyphs-FontForgeImport/blob/master/FontForge%20Import.glyphsPlugin/Contents/Resources/SFDImport.py

It mainly imports some font info fields and the glyph outlines, because I just wanted to be able to see the design of a font.