fonts/kobo-font-fix
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Updated README

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Nico Verbruggen
2025-08-22 11:42:52 +02:00
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README.md
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@@ -8,6 +8,10 @@ It generates a renamed font, fixes PANOSE information based on the filename, adj
You can use this to modify or fix your own, legally acquired fonts (assuming you are permitted to do so).
## License
Licensed under the [MIT License](/LICENSE).
## Requirements
Python 3, FontTools, `font-line`.
@@ -54,6 +58,8 @@ By default, the script will:
6. **Kern pairs from the GPOS table are copied to the legacy `kern` table.** This only applies to fonts that have a GPOS table, which is used for kerning in modern fonts.
7. **The `font-line` helper is used to apply a 20% line-height setting.** This generates a new file which is immediately renamed to the desired output format.
The modified fonts are saved in the directory where the original fonts are located.
## Customization
You can customize what the script does. For more information, consult:
@@ -94,6 +100,47 @@ To process all fonts with the "Kobo Fix" preset, simply run:
(In this case, we'll set --line-percent to 0 so the line height changes aren't made, because the fonts in the NV Collection should already have those changes applied.)
The expected output is then:
```
nico@m1ni kobo-font-fix % ./kobofix.py --prefix KF --remove-prefix NV *.ttf --line-percent 0
Processing: NV-Elstob-Bold.ttf
--remove-prefix enabled: using 'Elstob' as the new family name.
Renaming the font to: KF Elstob Bold
PANOSE corrected: bWeight 8->8, bLetterForm 2->2
Kerning: extracted 342467 pairs; wrote 342467 to legacy 'kern' table.
Saved: KF_Elstob-Bold.ttf
Skipping line adjustment step.
Processing: NV-Elstob-BoldItalic.ttf
--remove-prefix enabled: using 'Elstob' as the new family name.
Renaming the font to: KF Elstob Bold Italic
PANOSE corrected: bWeight 8->8, bLetterForm 3->3
Kerning: extracted 300746 pairs; wrote 300746 to legacy 'kern' table.
Saved: KF_Elstob-BoldItalic.ttf
Skipping line adjustment step.
Processing: NV-Elstob-Italic.ttf
--remove-prefix enabled: using 'Elstob' as the new family name.
Renaming the font to: KF Elstob Italic
PANOSE corrected: bWeight 5->5, bLetterForm 3->3
Kerning: extracted 286857 pairs; wrote 286856 to legacy 'kern' table.
Saved: KF_Elstob-Italic.ttf
Skipping line adjustment step.
Processing: NV-Elstob-Regular.ttf
--remove-prefix enabled: using 'Elstob' as the new family name.
Renaming the font to: KF Elstob
PANOSE corrected: bWeight 5->5, bLetterForm 2->2
Kerning: extracted 313998 pairs; wrote 313998 to legacy 'kern' table.
Saved: KF_Elstob-Regular.ttf
Skipping line adjustment step.
==================================================
Processed 4/4 fonts successfully.
```
### Generating NV fonts
Tight spacing, with a custom font family name:
@@ -108,8 +155,4 @@ Relaxed spacing, with a custom font family name:
./kobofix.py --prefix NV --name="Fonty" --line-percent 50 --skip-kobo-kern *.ttf
```
You can play around with `--line-percent` to see what works for you.
## License
Licensed under the [MIT License](/LICENSE).
You can play around with `--line-percent` to see what works for you.