Implement Chinese font loading with NotoSansSC

src/font.rs

@@ -1 +1,18 @@
-pub fn setup_fonts(_ctx: &eframe::egui::Context) {}
+pub fn setup_fonts(ctx: &eframe::egui::Context) {
+    let mut fonts = eframe::egui::FontDefinitions::default();
+
+    let font_data = include_bytes!("../fonts/NotoSansSC-Regular.ttf");
+    fonts.font_data.insert(
+        "NotoSansSC".to_string(),
+        eframe::egui::FontData::from_static(font_data).into(),
+    );
+
+    if let Some(proportional) = fonts.families.get_mut(&eframe::egui::FontFamily::Proportional) {
+        proportional.insert(0, "NotoSansSC".to_string());
+    }
+    if let Some(monospace) = fonts.families.get_mut(&eframe::egui::FontFamily::Monospace) {
+        monospace.insert(0, "NotoSansSC".to_string());
+    }
+
+    ctx.set_fonts(fonts);
+}