# Showcase

The full XWUIBarcodeEAN2 range on one screen: the strict two-digit payload, how the value modulo 4 picks the L and G parity pattern, bar geometry (module width, height, quiet zone), and every knob on the human-readable digit line.

It closes with a magazine corner block and a live re-encode driven by `setData()`. Bars stay black on white because scanner contrast is a hard requirement, so the canvas ink is deliberately not themed.