[Feature Request] Add alternate font subdirectory option

[ryanvidal]

Currently, all font directories have to be placed in the root directory, which can create a lot of clutter.

I would like to be able to organize the font files into a fonts subdirectory (like tracks are).

The two paths I see for this are creating a config preprocessor define for the font base directory or just having a hardcoded search path for EITHER "/" or "/fonts/".

I've tested a local change to the "list_fonts" command that forces it to look in the subdirectory and it seems to work fine. I'm happy to contribute a pull request against this issue as well!

[profezzorn]

Putting fonts in "/fonts/" already works, however, I guess you want to be able to select the front using edit mode, or the ProffieOS workbench?

I wouldn't be against having a define that specifies a list of directories which will be searched for fonts. Something like:

#define FONT_SEARCH_PATH "/;/fonts/;/ProffieOS/Fonts/"

However, putting the fonts in "/fonts/" will add two reads, or ~0.6ms each time you open a file. That's usually fine, unless you have many fonts, alt-directories, sub-sub-files, and other things that also use up open time. Once you're up to ~5ms, you start get audio glitches. I just want to point out that there are some (minor) drawbacks to doing this, so the default should still be "/".