JavaFX Variable Font Issue

Question

I am in strife.

I am using a Bahnschrift Variable Font as a font for all of the text & labels of my JavaFX program. However, when I am going to use a variant of the font, the font only appears as the regular variant of the font.

More specifically, the title class doesn't show the Bold Bahnschrift Variant but only shows the Regular Bahnschrift Variant. I am also considering it to be condensed but the program doesn't seem to recognize it; so I am also asking how to make this possible.

For reference, here are the CSS files:

HelpPane.css

@import "standard.css";

.scroll-pane > .viewport, .scroll-pane {
    -fx-background-color: #ffffff22;
    -fx-border-color: #00000000;
}

.title {
    -fx-font-size : 30px;
    -fx-font-weight : bold;
}

.heading1 {
    -fx-font-size : 24px;
}

sample.css

@font-face {
    src: url('file:src/assets/font/Bahnschrift.ttf');
}

.label, .text {
    -fx-font-family: "Bahnschrift";
    -fx-text-fill: #000000;
}

codingClown · Accepted Answer · 2021-04-29 08:27:26Z

2

I think that JavaFX doesn't support variable fonts.

Checking the JavaFX CSS documentation, there are no -fx-font-feature-settings and -fx-font-variable-settings declarations in the documentation, and even appending format("opentype-variations") to the font url declaration can't help either. -fx-font-weight didn't even make a dent.

Even JavaFX's FXML and Java code doesn't give a compromise.

As of the moment, static fonts might as well be recommended.

answered Apr 29, 2021 at 8:27

codingClown

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1 Comment

xeruf Over a year ago

but how does it work for the default fonts?

Anthony · Accepted Answer · 2021-04-28 10:40:20Z

0

Not all fonts have support for multiple font weights. Have you made sure that this is not the case for the font you've chosen?

answered Apr 28, 2021 at 10:40

Anthony

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8 Comments

codingClown Over a year ago

My Variable Bahnschrift Font file has multiple font weights and font spacings: Light, SemiLight, Regular, SemiBold and Bold; (same for the spacings)

codingClown Over a year ago

FYI the font file is from dafontfree.io/bahnschrift-font.

Anthony Over a year ago

Just tried with basic CSS and works as you said. So not a file issue.

codingClown Over a year ago

However, it doesn't work in the JavaFX CSS. Tried using font-feature-settings and even -fx-font-feature-settings and it didn't even work. The -fx-font-weight also doesn't work. I am referring to the JavaFX CSS, not the website CSS.

codingClown Over a year ago

I think I have the same problem as here below: stackoverflow.com/questions/65644527/variable-fonts-in-javafx

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