* --uifont default

Requested default UI font, "TakaoPGothic"
Actual UI font will be "Noto Sans CJK JP"

Appearance: Good

* --uifont "DejaVu Sans"

Requested UI font described by "DejaVu Sans"
Actual UI font will be "DejaVu Sans"

Appearance: Good

* --uifont GJGothickPNSubset

Requested UI font described by "GJGothickPNSubset"
Actual UI font will be "Noto Sans CJK JP"

Appearance: Good
Tux Paint seems not be able to find a font GJGothicPNSubset(ja.ttf) included in the package.

* --uifont default

Requested default UI font, "TakaoPGothic"
Actual UI font will be "ＭＳ ゴシック"

Appearance: Bad
"ＭＳ ゴシック (MS Gothic) is a standard Japanese font on Windows. But it looks no good with Tux Paint."

* --uifont "DejaVu Sans"

Requested UI font described by "DejaVu Sans"
Actual UI font will be "DejaVu Sans"

Appearance: Bad
Tux Paint says that it is "DejaVu Sans" but it must be "ＭＳ ゴシック (MS Gothic) actually."

* --uifont "GJGothicPNSubset"

Requested UI font described by "GJGothicPNSubset"
Actual UI font will be "GJGothicPNSubset"

Appearance: Good
On Windows, Tux Paint can find a font GJGothicPNSubset(ja.ttf) included in the package."