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Use system fonts for fallback

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This commit is contained in:
Jeremy Soller 2022-10-12 10:28:30 -06:00
parent 59d1b4c38d
commit a3f36c9b76
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GPG key ID: 87F211AF2BE4C2FE
4 changed files with 139 additions and 71 deletions
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48
examples/text/src/main.rs
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@ -6,7 +6,6 @@ use std::{
time::Instant,
};
use text::{
Font,
FontSystem,
TextAction,
TextCursor,
@ -55,30 +54,37 @@ fn main() {
}
}
let mut font_system = FontSystem::new();
let font_system = FontSystem::new();
font_system.add(
Font::new(include_bytes!("../../../res/Fira/FiraSans-Regular.otf"), 0).unwrap()
);
font_system.add(
Font::new(include_bytes!("../../../res/Fira/FiraMono-Regular.otf"), 0).unwrap()
);
let font_matches = font_system.matches(|info| -> bool {
#[cfg(feature = "mono")]
let monospaced = true;
for (font_path, font_data, font_index) in &font_datas {
match Font::new(font_data, *font_index) {
Some(font) => font_system.add(font),
None => {
eprintln!("failed to parse font '{}'", font_path)
}
#[cfg(not(feature = "mono"))]
let monospaced = false;
let matched = {
info.style == fontdb::Style::Normal &&
info.weight == fontdb::Weight::NORMAL &&
info.stretch == fontdb::Stretch::Normal &&
(info.monospaced == monospaced || info.post_script_name.contains("Emoji"))
};
if matched {
println!(
"{:?}: family '{}' postscript name '{}' style {:?} weight {:?} stretch {:?} monospaced {:?}",
info.id,
info.family,
info.post_script_name,
info.style,
info.weight,
info.stretch,
info.monospaced
);
}
}
#[cfg(feature = "mono")]
let font_pattern = &["Mono", "Emoji"];
#[cfg(not(feature = "mono"))]
let font_pattern = &["Sans", "Serif", "Emoji"];
let font_matches = font_system.matches(font_pattern).unwrap();
matched
}).unwrap();
let bg_color = Color::rgb(0x34, 0x34, 0x34);
let font_color = Color::rgb(0xFF, 0xFF, 0xFF);