Add Homecomputer VF fonts

[davelab6]

https://github.com/jenskutilek/homecomputer-fonts

Related to #254 by the same designer

Production notes:

• Robot QA
• Open issues about (stat, winAscent, license, repo structure, clean up)
• Designer has fixed the issues
• New robot QA
• Visual QA
• Package fonts
• Prepare tweet

[jenskutilek]

I've added separate issues for the custom axes: #3697 (BLED), #3699 (SCAN)

[RosaWagner]

@jenskutilek Do want us to have a call so we update each other on the process?

[jenskutilek]

I spent three hours last night trying to "dumb down" the fonts so they fit Google Fonts requirements, but for every reported problem I solve, I keep hitting a new roadblock. I'm slowly getting the feeling that it just isn't worth putting more work into this.

• I had to convert the outlines to cubic even though the original source was drawn with quadratic curves, because otherwise fontmake won't build the static fonts
• I invented new style names for the Bleed and Scan axes, only to have fontbakery complain that they don't fit the WWS requirements (width and weight names really don't apply here)
• Lots more errors and warnings, most of them for things I had a good reason to do this way (vertical metrics, gasp table).

Everything was fine as it was, now I have two repos with lots of duplicated code and still nothing works…

[RosaWagner]

@jenskutilek you don't have to go through this alone. Again, I am happy to have a call to explain the reasons of some requirements, how GF works and which process we apply in which case…

[vv-monsalve]

Considering its historical concept, it was decided to onboard it with Latin Kernel only + Vertical Metrics exception

[jenskutilek]

Recent changes brought up some new issues:

• Variable font instances don't meet Google Fonts requirements jenskutilek/homecomputer-fonts#21
• STAT table crashes font bakery jenskutilek/homecomputer-fonts#22
• Fontbakery reports fails with static font names jenskutilek/homecomputer-fonts#23

[vv-monsalve]

The above issues have been discussed and solved. A new one has emerged:

• FAIL: Check that legacy accents aren't used in composite glyphs. jenskutilek/homecomputer-fonts#30

[simoncozens]

I added another variant font but failed to tell anyone. Carrying on at #6980.

[vv-monsalve]

Hi @simoncozens, I'm aware of the new color font. As said in one of the meetings, we'll onboard the families referenced in this issue first, the "main" B/W fonts, as the colored version was only included recently, and check the main version's performance before adding this one.

The colored will still need the QA and font production job in preparation for a PR, including registering the new custom Axis + changing the "Color" bit in the name. I've assigned it to myself and marked it as Q1-2024.

cc @jenskutilek