// aerOS — QR code visual. Deterministic module grid w/ finder patterns (hi-fi placeholder). Exports to window.
function QRCode({ value = '', size = 160, fg = '#0f172a', bg = '#ffffff', quiet = true, logo }) {
const N = 29;
// deterministic pattern from string
let h = 2166136261;
for (let i = 0; i < value.length; i++) { h ^= value.charCodeAt(i); h = Math.imul(h, 16777619); }
const rng = (i) => { let x = Math.sin((h % 100000) + i * 12.9898) * 43758.5453; return x - Math.floor(x); };
const isFinder = (r, c) => {
const inBox = (br, bc) => r >= br && r < br + 7 && c >= bc && c < bc + 7;
return inBox(0, 0) || inBox(0, N - 7) || inBox(N - 7, 0);
};
const finderDark = (r, c) => {
const box = (br, bc) => {
const rr = r - br, cc = c - bc;
if (rr < 0 || rr > 6 || cc < 0 || cc > 6) return null;
const edge = rr === 0 || rr === 6 || cc === 0 || cc === 6;
const core = rr >= 2 && rr <= 4 && cc >= 2 && cc <= 4;
return edge || core;
};
return box(0, 0) ?? box(0, N - 7) ?? box(N - 7, 0);
};
const cells = [];
const cw = 100 / N;
for (let r = 0; r < N; r++) {
for (let c = 0; c < N; c++) {
let dark;
if (isFinder(r, c)) { dark = finderDark(r, c); if (dark == null) dark = false; }
else if (r < 8 && c < 8) dark = false;
else if (r < 8 && c >= N - 8) dark = false;
else if (r >= N - 8 && c < 8) dark = false;
else dark = rng(r * N + c) > 0.52;
if (dark) cells.push();
}
}
const pad = quiet ? 8 : 0;
return (
);
}
window.QRCode = QRCode;