//! Write a QR PNG for manual testing: `cargo run -p da-http-api --example make-qr -- <out.png> <text>`
fn main() {
    let mut a = std::env::args().skip(1);
    let out = a.next().expect("usage: make-qr <out.png> <text>");
    let text = a.next().expect("usage: make-qr <out.png> <text>");
    let code = qrcode::QrCode::new(text.as_bytes()).unwrap();
    let img = code
        .render::<image::Luma<u8>>()
        .module_dimensions(8, 8)
        .quiet_zone(true)
        .build();
    image::DynamicImage::ImageLuma8(img).save(&out).unwrap();
    println!("wrote {out}");
}