Easy 2 Steps — Barcode.Rust (C++ WASM Engine)

// Step 1: Create barcode
let qr = QR::new("png");
// Step 2: Draw!
let b64 = qr.draw(code, 300)?;

// Step 1: Create barcode (SVG mode)
let qr = QR::new("svg");
// Step 2: Draw!
let svg = qr.draw(code, 300)?;