QR code and Micro QR code encoder in Rust. Documentation.
requires bmp feature
rust
let qr_code = qr_code::QrCode::new(b"Hello").unwrap();
let bmp = qr_code.to_matrix();
bmp.write(std::fs::File::create("test.bmp").unwrap()).unwrap();
Generate this image:
Looks small?
Many context supports rescaling mode specific for pixelated images, for example in html image-rendering: pixelated;
As an alternative see method Bmp::mul and Bmp::add_whitespace
rust
let qr_code = qr_code::QrCode::new(b"Hello").unwrap();
println!("{}", qr_code.to_string(false));
Generates this output:
```text
█▀▀▀▀▀█ ▀▀▀█ █▀▀▀▀▀█
█ ███ █ █ █ ▀ █ ███ █
█ ▀▀▀ █ ██ ▄▀ █ ▀▀▀ █
▀▀▀▀▀▀▀ █ █ ▀ ▀▀▀▀▀▀▀
▀ ▀█▀▀▀ ▄▀ █▄▄█▀▀██ ▄
█▀▀█▀▄▄▀█▄█▄█▀ ██▀
▀▀▀ ▀▀█▀▀ █ █ ▄ ▀
█▀▀▀▀▀█ ▄▀▄▀ ▀ ▄█▄██
█ ███ █ █▄ █▄█▄▄▀▄ ▀
█ ▀▀▀ █ ▀█ ▄█▄█▀▄▄█
▀▀▀▀▀▀▀ ▀▀ ▀ ▀ ▀
```