In case anyone out there wants to change the colors in my Megabase OpenType-SVG color fonts, here’s a quick demo where I dig into the guts of the font file with FontTools TTX and mess with the color values. 🎨🎥🍿youtube.com/watch?v=_mywly…

The latest FontTools release has a nice feature courtesy of some work Khaled Hosny was doing for us: now subset OTL table contents by language system tags. github.com/fonttools/font…

The power of FontTools Pens is all about protocol: it's a standardized collection of methods with standardized call signatures. Any object that implements the pen protocol can be used by any code that writes to pens. Any code that writes to pens can be used with any pen.

God. As a professional font developer with nearly 30 years of experoence, I love FontTools and #Python. That is all. Python Software Foundation

Revolver Type Foundry f = TTFont(path/to/font.ttf) for table in f["cmap"].tables: # chr(97) == "a" table.cmap[97] = "s" AFAIK you have to set a glyph for a unicode and not a unicode for a glyph.

We are looking for a font engineer. typotheque.com/blog/job_openi…

This is a gist of FontTools-based utilites & extension libraries. Ones I know about, anyway. gist.github.com/n8willis/49355…

FontTools 4.38.0 is out! Thanks to Ryan Behdad, the instancer can now change a variable font's axis default value, e.g. you have 2 masters Thin+Black and want a Regular in between, or wish to restrict min/max to a range that doesn't include the old default github.com/fonttools/font…

New @fonttools 4.45.0 is a `pip install --upgrade fonttools` away from you! It contains my work on generating PDF/HTML from the `varLib.interpolatable` tool. Check out the sample output: github.com/behdad/google-…

FontTools 4.52.x is out with lots of interesting CFF goodies: - Partial and static instancing of CFF2 variable fonts. - Two new modules and command-lines: cffLib.CFFToCFF2 and cffLib.CFF2ToCFF for conversions between CFF and CFF2. Check it out: github.com/fonttools/font…

I'd like to share with you the "State of Text Rendering 2024", a survey of the Free & Open Source fonts & text rendering landscape advancements since 2009. behdad.org/text2024/ HarfBuzz حرف‌باز FontTools Google Fonts

I posted some notes about what we have been doing this quarter re font technology at behdad.org/fonts2024q4 #opentype HarfBuzz حرف‌باز FontTools

"2025Q1 Fonts Quarterly" is out: what I worked on in font technology (mostly HarfBuzz) land this past quarter: docs.google.com/document/d/1RU… cc HarfBuzz حرف‌باز FontTools

Increasingly think this might be the most important chart in the world right now