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Old 08-20-2022, 07:21 AM   #44
jackie_w
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Posts: 6,252
Karma: 16544692
Join Date: Sep 2009
Location: UK
Device: ClaraHD, Forma, Libra2, Clara2E, LibraCol, PBTouchHD3
Quote:
Originally Posted by SusanReads View Post
Just wondering if I'm doing something wrong or if this patch is no longer working because of Kobo.
Unfortunately, the latter. Kobo made major changes to font handling in fw 4.32.19501. Since then accessing your sideloaded fonts from kobopatch seems to be no longer possible.

You can probably switch between Georgia and Avenir in some patches, and possibly some of the CJK fonts, but that's about the limit of what still works.

For your specific question, the only working method I currently know of to change the Avenir font in the GUI, is to completely replace the built-in Avenir system font with a font of your choice. You can easily use the 'files:' section of kobopatch.yaml to assist with this. However, before you do this you do need to be able to use a font editor (e.g. FontForge or ttfedit) to change the *internal* filename of your chosen font to Avenir Next. The Kobo is then fooled into thinking it's using Avenir when it's actually using your custom font.

Needing to use a font editor is possibly what deters many users from trying this. If you did want to try it please be aware that it will affect the whole GUI, not just headers/footers in a book, so you need to choose the replacement font wisely.
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