titaniumtown/YTBN-Graphing-Software
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selective font inclusion for emojis

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Selectively include fonts for emojis that are used in the interface. This is done instead of including both the entirety of `NotoEmoji-Regular` and `emoji-icon-font`. This now requires the `pyftsubset` utility to be installed (under arch, this can be done with the package `python-fonttools`)

TODO: need to fix github workflows
This commit is contained in:
Simon Gardling
2022-05-17 15:46:47 -04:00
parent 94041774c6
commit 542fd9caba
3 changed files with 92 additions and 5 deletions
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59
build.rs
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@@ -7,10 +7,12 @@ use std::{
};
use epaint::{
text::{FontData, FontDefinitions},
text::{FontData, FontDefinitions, FontTweak},
FontFamily,
};
use run_script::ScriptOptions;
include!(concat!(env!("CARGO_MANIFEST_DIR"), "/src/data.rs"));
fn main() {
@@ -22,15 +24,62 @@ fn main() {
// let font_hack = FontData::from_static(include_bytes!("assets/Hack-Regular.ttf"));
let font_ubuntu_light = FontData::from_static(include_bytes!("assets/Ubuntu-Light.ttf"));
let font_notoemoji = FontData::from_static(include_bytes!("assets/NotoEmoji-Regular.ttf"));
let font_emoji_icon = FontData::from_static(include_bytes!("assets/emoji-icon-font.ttf"));
let new_noto_path = [&env::var("OUT_DIR").unwrap(), "/noto-emoji.ttf"].concat();
let new_emoji_icon_path = [&env::var("OUT_DIR").unwrap(), "/emoji-icon.ttf"].concat();
let (_code, _output, error) = run_script::run(
&format!(
"
pyftsubset {}/assets/NotoEmoji-Regular.ttf --unicodes=U+1F31E,U+1F319,U+2716
mv {}/assets/NotoEmoji-Regular.subset.ttf {}
",
env!("CARGO_MANIFEST_DIR"),
env!("CARGO_MANIFEST_DIR"),
new_noto_path
),
&(vec![]),
&ScriptOptions::new(),
)
.unwrap();
assert_eq!(error, String::new());
let (_code, _output, error) = run_script::run(
&format!(
"
pyftsubset {}/assets/emoji-icon-font.ttf --unicodes=U+2699
mv {}/assets/emoji-icon-font.subset.ttf {}
",
env!("CARGO_MANIFEST_DIR"),
env!("CARGO_MANIFEST_DIR"),
new_emoji_icon_path
),
&(vec![]),
&ScriptOptions::new(),
)
.unwrap();
assert_eq!(error, String::new());
let fonts = FontDefinitions {
font_data: BTreeMap::from([
// ("Hack".to_owned(), font_hack),
("Ubuntu-Light".to_owned(), font_ubuntu_light),
("NotoEmoji-Regular".to_owned(), font_notoemoji),
("emoji-icon-font".to_owned(), font_emoji_icon),
(
"NotoEmoji-Regular".to_owned(),
FontData::from_owned(
std::fs::read(new_noto_path).expect("unable to read noto emoji font"),
),
),
(
"emoji-icon-font".to_owned(),
FontData::from_owned(
std::fs::read(new_emoji_icon_path).expect("unable to read emoji icon font"),
)
.tweak(FontTweak {
scale: 0.8,
y_offset_factor: 0.07,
y_offset: 0.0,
}),
),
]),
families: BTreeMap::from([
(