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/** https://github.com/datalog/qrcode-svg under MIT license */
'use strict';
function QRCode(r) {
var n, t, o, e, a = [],
f = [],
i = Math.max,
u = Math.min,
h = Math.abs,
v = Math.ceil,
c = /^[0-9]*$/,
s = /^[A-Z0-9 $%*+.\/:-]*$/,
l = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:",
g = [
[-1, 7, 10, 15, 20, 26, 18, 20, 24, 30, 18, 20, 24, 26, 30, 22, 24, 28, 30, 28, 28, 28, 28, 30, 30, 26, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30],
[-1, 10, 16, 26, 18, 24, 16, 18, 22, 22, 26, 30, 22, 22, 24, 24, 28, 28, 26, 26, 26, 26, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28],
[-1, 13, 22, 18, 26, 18, 24, 18, 22, 20, 24, 28, 26, 24, 20, 30, 24, 28, 28, 26, 30, 28, 30, 30, 30, 30, 28, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30],
[-1, 17, 28, 22, 16, 22, 28, 26, 26, 24, 28, 24, 28, 22, 24, 24, 30, 28, 28, 26, 28, 30, 24, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30]
],
d = [
[-1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 4, 6, 6, 6, 6, 7, 8, 8, 9, 9, 10, 12, 12, 12, 13, 14, 15, 16, 17, 18, 19, 19, 20, 21, 22, 24, 25],
[-1, 1, 1, 1, 2, 2, 4, 4, 4, 5, 5, 5, 8, 9, 9, 10, 10, 11, 13, 14, 16, 17, 17, 18, 20, 21, 23, 25, 26, 28, 29, 31, 33, 35, 37, 38, 40, 43, 45, 47, 49],
[-1, 1, 1, 2, 2, 4, 4, 6, 6, 8, 8, 8, 10, 12, 16, 12, 17, 16, 18, 21, 20, 23, 23, 25, 27, 29, 34, 34, 35, 38, 40, 43, 45, 48, 51, 53, 56, 59, 62, 65, 68],
[-1, 1, 1, 2, 4, 4, 4, 5, 6, 8, 8, 11, 11, 16, 16, 18, 16, 19, 21, 25, 25, 25, 34, 30, 32, 35, 37, 40, 42, 45, 48, 51, 54, 57, 60, 63, 66, 70, 74, 77, 81]
],
m = {
L: [0, 1],
M: [1, 0],
Q: [2, 3],
H: [3, 2]
},
p = function(r, n) {
for (var t = 0, o = 8; o--;) t = t << 1 ^ 285 * (t >>> 7) ^ (n >>> o & 1) * r;
return t
},
C = function(r, n) {
for (var t = [], o = r.length, e = o; e;)
for (var a = r[o - e--] ^ t.shift(), f = n.length; f--;) t[f] ^= p(n[f], a);
return t
},
w = function(r) {
for (var n = [function() {
return 0 == (t + o) % 2
}, function() {
return 0 == t % 2
}, function() {
return 0 == o % 3
}, function() {
return 0 == (t + o) % 3
}, function() {
return 0 == ((t / 2 | 0) + (o / 3 | 0)) % 2
}, function() {
return 0 == t * o % 2 + t * o % 3
}, function() {
return 0 == (t * o % 2 + t * o % 3) % 2
}, function() {
return 0 == ((t + o) % 2 + t * o % 3) % 2
}][r], t = e; t--;)
for (var o = e; o--;) f[t][o] || (a[t][o] ^= n())
},
b = function() {
for (var r = function(r, n) {
n[6] || (r += e), n.shift(), n.push(r)
}, n = function(n, o, a) {
return n && (r(o, a), o = 0), r(o += e, a), t(a)
}, t = function(r) {
var n = r[5],
t = n > 0 && r[4] == n && r[3] == 3 * n && r[2] == n && r[1] == n;
return (t && r[6] >= 4 * n && r[0] >= n ? 1 : 0) + (t && r[0] >= 4 * n && r[6] >= n ? 1 : 0)
}, o = 0, f = e * e, i = 0, u = e; u--;) {
for (var c = [0, 0, 0, 0, 0, 0, 0], s = [0, 0, 0, 0, 0, 0, 0], l = !1, g = !1, d = 0, m = 0, p = e; p--;) {
a[u][p] == l ? 5 == ++d ? o += 3 : d > 5 && o++ : (r(d, c), o += 40 * t(c), d = 1, l = a[u][p]), a[p][u] == g ? 5 == ++m ? o += 3 : m > 5 && o++ : (r(m, s), o += 40 * t(s), m = 1, g = a[p][u]);
var C = a[u][p];
C && i++, p && u && C == a[u][p - 1] && C == a[u - 1][p] && C == a[u - 1][p - 1] && (o += 3)
}
o += 40 * n(l, d, c) + 40 * n(g, m, s)
}
return o += 10 * (v(h(20 * i - 10 * f) / f) - 1)
},
A = function(r, n, t) {
for (; n--;) t.push(r >>> n & 1)
},
M = function(r, n) {
return r.numBitsCharCount[(n + 7) / 17 | 0]
},
B = function(r, n) {
return 0 != (r >>> n & 1)
},
x = function(r, n) {
for (var t = 0, o = r.length; o--;) {
var e = r[o],
a = M(e, n);
if (1 << a <= e.numChars) return 1 / 0;
t += 4 + a + e.bitData.length
}
return t
},
D = function(r) {
if (r < 1 || r > 40) throw "Version number out of range";
var n = (16 * r + 128) * r + 64;
if (r >= 2) {
var t = r / 7 | 2;
n -= (25 * t - 10) * t - 55, r >= 7 && (n -= 36)
}
return n
},
I = function(r, n) {
for (var t = 2; - 2 <= t; t--)
for (var o = 2; - 2 <= o; o--) E(r + o, n + t, 1 != i(h(o), h(t)))
},
H = function(r, n) {
for (var t = 4; - 4 <= t; t--)
for (var o = 4; - 4 <= o; o--) {
var a = i(h(o), h(t)),
f = r + o,
u = n + t;
0 <= f && f < e && 0 <= u && u < e && E(f, u, 2 != a && 4 != a)
}
},
$ = function(r) {
for (var n = t[1] << 3 | r, o = n, a = 10; a--;) o = o << 1 ^ 1335 * (o >>> 9);
var f = 21522 ^ (n << 10 | o);
if (f >>> 15 != 0) throw "Assertion error";
for (a = 0; a <= 5; a++) E(8, a, B(f, a));
E(8, 7, B(f, 6)), E(8, 8, B(f, 7)), E(7, 8, B(f, 8));
for (a = 9; a < 15; a++) E(14 - a, 8, B(f, a));
for (a = 0; a < 8; a++) E(e - 1 - a, 8, B(f, a));
for (a = 8; a < 15; a++) E(8, e - 15 + a, B(f, a));
E(8, e - 8, 1)
},
O = function() {
for (var r = e; r--;) E(6, r, 0 == r % 2), E(r, 6, 0 == r % 2);
for (var t = function() {
var r = [];
if (n > 1)
for (var t = 2 + (n / 7 | 0), o = 32 == n ? 26 : 2 * v((e - 13) / (2 * t - 2)); t--;) r[t] = t * o + 6;
return r
}(), o = r = t.length; o--;)
for (var a = r; a--;) 0 == a && 0 == o || 0 == a && o == r - 1 || a == r - 1 && 0 == o || I(t[a], t[o]);
H(3, 3), H(e - 4, 3), H(3, e - 4), $(0),
function() {
if (!(7 > n)) {
for (var r = n, t = 12; t--;) r = r << 1 ^ 7973 * (r >>> 11);
var o = n << 12 | r;
if (t = 18, o >>> 18 != 0) throw "Assertion error";
for (; t--;) {
var a = e - 11 + t % 3,
f = t / 3 | 0,
i = B(o, t);
E(a, f, i), E(f, a, i)
}
}
}()
},
Q = function(r) {
if (r.length != V(n, t)) throw "Invalid argument";
for (var o = d[t[0]][n], e = g[t[0]][n], a = D(n) / 8 | 0, f = o - a % o, i = a / o | 0, u = [], h = function(r) {
var n = 1,
t = [];
t[r - 1] = 1;
for (var o = 0; o < r; o++) {
for (var e = 0; e < r; e++) t[e] = p(t[e], n) ^ t[e + 1];
n = p(n, 2)
}
return t
}(e), v = 0, c = 0; v < o; v++) {
var s = r.slice(c, c + i - e + (v < f ? 0 : 1));
c += s.length;
var l = C(s, h);
v < f && s.push(0), u.push(s.concat(l))
}
var m = [];
for (v = 0; v < u[0].length; v++)
for (var w = 0; w < u.length; w++)(v != i - e || w >= f) && m.push(u[w][v]);
return m
},
S = function(r) {
for (var n = [], t = (r = encodeURI(r), 0); t < r.length; t++) "%" != r.charAt(t) ? n.push(r.charCodeAt(t)) : (n.push(parseInt(r.substr(t + 1, 2), 16)), t += 2);
return n
},
V = function(r, n) {
return (D(r) / 8 | 0) - g[n[0]][r] * d[n[0]][r]
},
E = function(r, n, t) {
a[n][r] = t ? 1 : 0, f[n][r] = 1
},
R = function(r) {
for (var n = [], t = 0, o = r; t < o.length; t++) {
var e = o[t];
A(e, 8, n)
}
return {
modeBits: 4,
numBitsCharCount: [8, 16, 16],
numChars: r.length,
bitData: n
}
},
Z = function(r) {
if (!c.test(r)) throw "String contains non-numeric characters";
for (var n = [], t = 0; t < r.length;) {
var o = u(r.length - t, 3);
A(parseInt(r.substr(t, o), 10), 3 * o + 1, n), t += o
}
return {
modeBits: 1,
numBitsCharCount: [10, 12, 14],
numChars: r.length,
bitData: n
}
},
z = function(r) {
if (!s.test(r)) throw "String contains unencodable characters in alphanumeric mode";
var n, t = [];
for (n = 0; n + 2 <= r.length; n += 2) {
var o = 45 * l.indexOf(r.charAt(n));
o += l.indexOf(r.charAt(n + 1)), A(o, 11, t)
}
return n < r.length && A(l.indexOf(r.charAt(n)), 6, t), {
modeBits: 2,
numBitsCharCount: [9, 11, 13],
numChars: r.length,
bitData: t
}
},
L = function(r, n, t, o) {
var e = function(r) {
return "" == r ? [] : c.test(r) ? [Z(r)] : s.test(r) ? [z(r)] : [R(S(r))]
}(r);
return U(e, n, t, o)
},
N = function(r, i, u, h) {
t = i, o = h;
for (var v = e = 4 * (n = r) + 17; v--;) a[v] = [], f[v] = [];
if (O(), function(r) {
for (var n = 0, t = 1, o = e - 1, i = o; i > 0; i -= 2) {
6 == i && --i;
for (var u = 0 > (t = -t) ? o : 0, h = 0; h < e; ++h) {
for (var v = i; v > i - 2; --v) f[u][v] || (a[u][v] = B(r[n >>> 3], 7 - (7 & n)), ++n);
u += t
}
}
}(Q(u)), 0 > o) {
var c = 1e9;
for (v = 8; v--;) {
w(v), $(v);
var s = b();
c > s && (c = s, o = v), w(v)
}
}
w(o), $(o), f = []
},
U = function(r, n, t, o, e, a) {
if (void 0 === e && (e = 1), void 0 === a && (a = 40), void 0 === o && (o = -1), void 0 === t && (t = !0), !(1 <= e && e <= a && a <= 40) || o < -1 || o > 7) throw "Invalid value";
for (var f = [], i = 236, h = [], v = e;;) {
var c = x(r, v);
if (c <= 8 * V(v, n)) break;
if (v >= a) throw "Data too long";
v++
}
if (t)
for (var s = (l = [m.H, m.Q, m.M]).length; s--;) c <= 8 * V(v, l[s]) && (n = l[s]);
for (var l = 0; l < r.length; l++) {
var g = r[l];
A(g.modeBits, 4, f), A(g.numChars, M(g, v), f);
for (var d = 0, p = g.bitData; d < p.length; d++) f.push(p[d])
}
if (f.length != c) throw "Assertion error";
var C = 8 * V(v, n);
if (f.length > C) throw "Assertion error";
if (A(0, u(4, C - f.length), f), A(0, (8 - f.length % 8) % 8, f), f.length % 8 != 0) throw "Assertion error";
for (; f.length < C;) A(i, 8, f), i ^= 253;
for (s = f.length; s--;) h[s >>> 3] |= f[s] << 7 - (7 & s);
return N(v, n, h, o)
};
return function() {
function n(r) {
return /^#[0-9a-f]{3}(?:[0-9a-f]{3})?$/i.test(r)
}
function t(r, n) {
for (var t in r = document.createElementNS(s, r), n || {}) r.setAttribute(t, n[t]);
return r
}
var o, f, i, u, v, c, s = "http://www.w3.org/2000/svg",
l = "",
g = "string" == typeof r ? {
msg: r
} : r || {},
d = g.pal || ["#000"],
p = h(g.dim) || 256,
C = [1, 0, 0, 1, c = (c = h(g.pad)) > -1 ? c : 4, c],
w = n(w = d[0]) ? w : "#000",
b = n(b = d[1]) ? b : 0,
A = g.vrb ? 0 : 1;
for (L(g.msg || "", m[g.ecl] || m.M, 0 == g.ecb ? 0 : 1, g.mtx), v = e + 2 * c, i = e; i--;)
for (u = 0, f = e; f--;) a[i][f] && (A ? (u++, a[i][f - 1] || (l += "M" + f + "," + i + "h" + u + "v1h-" + u + "v-1z", u = 0)) : l += "M" + f + "," + i + "h1v1h-1v-1z");
return o = t("svg", {
viewBox: [0, 0, v, v].join(" "),
width: p,
height: p,
fill: w,
"shape-rendering": "crispEdges",
xmlns: s,
version: "1.1"
}), b && o.appendChild(t("path", {
fill: b,
d: "M0,0V" + v + "H" + v + "V0H0Z"
})), o.appendChild(t("path", {
transform: "matrix(" + C + ")",
d: l
})), o
}()
} |