egui 예제

[그라목손]

https://github.com/emilk/egui

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release

use eframe::egui;

fn main() {
    // Log to stdout (if you run with `RUST_LOG=debug`).
    tracing_subscriber::fmt::init();

    let options = eframe::NativeOptions {
        initial_window_size: Some((320.0, 150.0).into()),
        ..eframe::NativeOptions::default()
    };
    eframe::run_native(
        "My egui App",
        options,
        Box::new(|_cc| Box::new(MyApp::default())),
    );
}

struct MyApp {
    name: String,
    age: u32,
}

impl Default for MyApp {
    fn default() -> Self {
        Self {
            name: "닷넷데브".to_owned(),
            age: 42,
        }
    }
}

fn setup_custom_fonts(ctx: &egui::Context) {
    // Start with the default fonts (we will be adding to them rather than replacing them).
    let mut fonts = egui::FontDefinitions::default();

    // Install my own font (maybe supporting non-latin characters).
    // .ttf and .otf files supported.
    fonts.font_data.insert(
        "my_font".to_owned(),
        egui::FontData::from_static(include_bytes!(
            "C:\\Windows\\fonts\\Malgun.ttf"
        )),
    );

    // Put my font first (highest priority) for proportional text:
    fonts
        .families
        .entry(egui::FontFamily::Proportional)
        .or_default()
        .insert(0, "my_font".to_owned());

    // Put my font as last fallback for monospace:
    fonts
        .families
        .entry(egui::FontFamily::Monospace)
        .or_default()
        .push("my_font".to_owned());

    // Tell egui to use these fonts:
    ctx.set_fonts(fonts);
}

impl eframe::App for MyApp {
    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
        setup_custom_fonts(ctx);
        egui::CentralPanel::default().show(ctx, |ui| {
            ui.heading("My egui Application");
            ui.horizontal(|ui| {
                ui.label("너의 이름은: ");
                ui.text_edit_singleline(&mut self.name);
            });
            ui.add(egui::Slider::new(&mut self.age, 0..=120).text("age"));
            if ui.button("Click each year").clicked() {
                self.age += 1;
            }
            ui.label(format!("Hello '{}', age {}", self.name, self.age));
        });
    }
}

한글 폰트 설정해서 출력은 되지만 입력은 안 되는 문제가 있어요
바이너리 크기도 16MB나 되는군요