notedeck

One damus client to rule them all
git clone git://jb55.com/notedeck
Log | Files | Refs | README | LICENSE

fonts.rs (4134B)

      1 use egui::{FontData, FontDefinitions, FontTweak};
      2 use std::collections::BTreeMap;
      3 use tracing::debug;
      4 
      5 pub enum NamedFontFamily {
      6     Medium,
      7     Bold,
      8 }
      9 
     10 impl NamedFontFamily {
     11     pub fn as_str(&mut self) -> &'static str {
     12         match self {
     13             Self::Bold => "bold",
     14             Self::Medium => "medium",
     15         }
     16     }
     17 
     18     pub fn as_family(&mut self) -> egui::FontFamily {
     19         egui::FontFamily::Name(self.as_str().into())
     20     }
     21 }
     22 
     23 // Use gossip's approach to font loading. This includes japanese fonts
     24 // for rending stuff from japanese users.
     25 pub fn setup_fonts(ctx: &egui::Context) {
     26     let mut font_data: BTreeMap<String, FontData> = BTreeMap::new();
     27     let mut families = BTreeMap::new();
     28 
     29     font_data.insert(
     30         "Onest".to_owned(),
     31         FontData::from_static(include_bytes!(
     32             "../assets/fonts/onest/OnestRegular1602-hint.ttf"
     33         )),
     34     );
     35 
     36     font_data.insert(
     37         "OnestMedium".to_owned(),
     38         FontData::from_static(include_bytes!(
     39             "../assets/fonts/onest/OnestMedium1602-hint.ttf"
     40         )),
     41     );
     42 
     43     font_data.insert(
     44         "DejaVuSans".to_owned(),
     45         FontData::from_static(include_bytes!("../assets/fonts/DejaVuSansSansEmoji.ttf")),
     46     );
     47 
     48     font_data.insert(
     49         "OnestBold".to_owned(),
     50         FontData::from_static(include_bytes!(
     51             "../assets/fonts/onest/OnestBold1602-hint.ttf"
     52         )),
     53     );
     54 
     55     /*
     56     font_data.insert(
     57         "DejaVuSansBold".to_owned(),
     58         FontData::from_static(include_bytes!(
     59             "../assets/fonts/DejaVuSans-Bold-SansEmoji.ttf"
     60         )),
     61     );
     62 
     63     font_data.insert(
     64         "DejaVuSans".to_owned(),
     65         FontData::from_static(include_bytes!("../assets/fonts/DejaVuSansSansEmoji.ttf")),
     66     );
     67     font_data.insert(
     68         "DejaVuSansBold".to_owned(),
     69         FontData::from_static(include_bytes!(
     70             "../assets/fonts/DejaVuSans-Bold-SansEmoji.ttf"
     71         )),
     72     );
     73     */
     74 
     75     font_data.insert(
     76         "Inconsolata".to_owned(),
     77         FontData::from_static(include_bytes!("../assets/fonts/Inconsolata-Regular.ttf")).tweak(
     78             FontTweak {
     79                 scale: 1.22,            // This font is smaller than DejaVuSans
     80                 y_offset_factor: -0.18, // and too low
     81                 y_offset: 0.0,
     82                 baseline_offset_factor: 0.0,
     83             },
     84         ),
     85     );
     86 
     87     font_data.insert(
     88         "NotoSansCJK".to_owned(),
     89         FontData::from_static(include_bytes!("../assets/fonts/NotoSansCJK-Regular.ttc")),
     90     );
     91 
     92     font_data.insert(
     93         "NotoSansThai".to_owned(),
     94         FontData::from_static(include_bytes!("../assets/fonts/NotoSansThai-Regular.ttf")),
     95     );
     96 
     97     // Some good looking emojis. Use as first priority:
     98     font_data.insert(
     99         "NotoEmoji".to_owned(),
    100         FontData::from_static(include_bytes!("../assets/fonts/NotoEmoji-Regular.ttf")).tweak(
    101             FontTweak {
    102                 scale: 1.1, // make them a touch larger
    103                 y_offset_factor: 0.0,
    104                 y_offset: 0.0,
    105                 baseline_offset_factor: 0.0,
    106             },
    107         ),
    108     );
    109 
    110     let base_fonts = vec![
    111         "DejaVuSans".to_owned(),
    112         "NotoEmoji".to_owned(),
    113         "NotoSansCJK".to_owned(),
    114         "NotoSansThai".to_owned(),
    115     ];
    116 
    117     let mut proportional = vec!["Onest".to_owned()];
    118     proportional.extend(base_fonts.clone());
    119 
    120     let mut medium = vec!["OnestMedium".to_owned()];
    121     medium.extend(base_fonts.clone());
    122 
    123     let mut mono = vec!["Inconsolata".to_owned()];
    124     mono.extend(base_fonts.clone());
    125 
    126     let mut bold = vec!["OnestBold".to_owned()];
    127     bold.extend(base_fonts);
    128 
    129     families.insert(egui::FontFamily::Proportional, proportional);
    130     families.insert(egui::FontFamily::Monospace, mono);
    131     families.insert(
    132         egui::FontFamily::Name(NamedFontFamily::Medium.as_str().into()),
    133         medium,
    134     );
    135     families.insert(
    136         egui::FontFamily::Name(NamedFontFamily::Bold.as_str().into()),
    137         bold,
    138     );
    139 
    140     debug!("fonts: {:?}", families);
    141 
    142     let defs = FontDefinitions {
    143         font_data,
    144         families,
    145     };
    146 
    147     ctx.set_fonts(defs);
    148 }