Make it possible to display non ASCII even on Linux console

[kachick]

No kmscon as written in #660, the Linux console displays Japanese file names as Tofu.

https://wiki.archlinux.org/title/Fbterm
https://salsa.debian.org/debian/fbterm/-/tree/master
https://qiita.com/Pseudonym/items/12e447557a5234bb265b
https://github.com/ruo91/jfbterm

[kachick]

How about using bdf fonts or converting ttf to bdf and psf?

M+ BITMAP FONTS

coz-m/MPLUS_FONTS#47
https://github.com/coz-m/MPLUS_FONTS/blob/c47fd4ff0a604d1517625a0f3d67e6d64e12d585/obsolete/mplus_bitmap_fonts-2.2.4.tar.gz
https://ja.osdn.net/projects/mplus-fonts/releases/p880
https://www.ipsj.or.jp/magazine/9faeag000000zezt-att/IPSJ-MGN601108.pdf
https://codeberg.org/50aec97c/mplus_bitmap_fonts
https://www.xmisao.com/2013/08/17/mplus-unicode-font.html

Converting

NixOS/nixpkgs#9576
https://www.reddit.com/r/linuxquestions/comments/7st7hz/any_way_to_convert_ttf_files_to_psf_files/
https://github.com/NixOS/nixpkgs/blob/b521675c515be29b61d78194db97563c380a7574/pkgs/data/fonts/gohufont/default.nix#L29
https://qiita.com/chimorium/items/bf94293b38080583b8e6

[kachick]

Viewing https://github.com/emurenMRz/bdf_view for largest size of https://github.com/coz-m/MPLUS_FONTS/blob/c47fd4ff0a604d1517625a0f3d67e6d64e12d585/obsolete/mplus_bitmap_fonts-2.2.4.tar.gz mplus_j12r.bdf, it is much little 🤔

[kachick]

http://jikasei.me/font/kh-dotfont/
https://devforum.play.date/t/japanese-pixel-fonts-with-kanji-support/1807/5

ビットマップ風
これらはすべて TrueType 形式

Not actual Bitmap Font... 😢

[kachick]

😮

https://github.com/ners/trilby/blob/7dd41d0704ebf75f8f705da066184f5ed6168441/modules/overlays/termify.nix#L3-L7
https://github.com/ners/trilby/blob/7dd41d0704ebf75f8f705da066184f5ed6168441/modules/profiles/console.nix#L4-L8

[kachick]

👁️

https://wiki.archlinux.jp/index.php/%E3%83%95%E3%82%A9%E3%83%B3%E3%83%88#.E3.83.93.E3.83.83.E3.83.88.E3.83.9E.E3.83.83.E3.83.97

Unifont – 8×16、16×16 (Unicode のカバー率が最も高いフォント) (bdf-unifontAUR)

https://unifoundry.com/unifont/index.html

PSF: A specialized PSF 1 console frame buffer font consisting of 512 glyphs for use with APL, A Programming Language, in console mode (single-user mode on GNU/Linux, etc.), mainly to support GNU APL: Unifont-APL8x16-15.1.05.psf.gz (4 kbytes)

[kachick]

https://wiki.osdev.org/PC_Screen_Font

The other advantage is that PSF fonts can store the whole UNICODE character set, although consolefonts have maximum 512 glyphs usually.

Ah... I didn't know, this looks like a PSF restriction...?

So converting cannot resolve this problem. And if I want to completely avoid Tofu, I should remove non English and emojis...

[kachick]

https://manpages.ubuntu.com/manpages/trusty/man1/bdf2psf.1.html

They also have to have either 256 or 512 glyphs.

[kachick]

😢

[kachick]

k12x8 - https://littlelimit.net/k12x8.htm # Actually using MPlus font license in https://littlelimit.net/font.htm#license
東雲フォント - http://openlab.ring.gr.jp/efont/shinonome/, https://www.mgo-tec.com/blog-entry-ssd1306-shinonome.html