llqrcode.js

var _aa = {};
_aa._ab = function (f, e) {
  var d = qrcode.width;
  var b = qrcode.height;
  var c = true;
  for (var g = 0; g < e.length && c; g += 2) {
    var a = Math.floor(e[g]);
    var h = Math.floor(e[g + 1]);
    if (a < -1 || a > d || h < -1 || h > b) {
      throw "Error._ab ";
    }
    c = false;
    if (a == -1) {
      e[g] = 0;
      c = true;
    } else {
      if (a == d) {
        e[g] = d - 1;
        c = true;
      }
    }
    if (h == -1) {
      e[g + 1] = 0;
      c = true;
    } else {
      if (h == b) {
        e[g + 1] = b - 1;
        c = true;
      }
    }
  }
  c = true;
  for (var g = e.length - 2; g >= 0 && c; g -= 2) {
    var a = Math.floor(e[g]);
    var h = Math.floor(e[g + 1]);
    if (a < -1 || a > d || h < -1 || h > b) {
      throw "Error._ab ";
    }
    c = false;
    if (a == -1) {
      e[g] = 0;
      c = true;
    } else {
      if (a == d) {
        e[g] = d - 1;
        c = true;
      }
    }
    if (h == -1) {
      e[g + 1] = 0;
      c = true;
    } else {
      if (h == b) {
        e[g + 1] = b - 1;
        c = true;
      }
    }
  }
};
_aa._af = function (b, d, a) {
  var k = new _ac(d);
  var j = new Array(d << 1);
  for (var f = 0; f < d; f++) {
    var g = j.length;
    var i = f + 0.5;
    for (var h = 0; h < g; h += 2) {
      j[h] = (h >> 1) + 0.5;
      j[h + 1] = i;
    }
    a._ad(j);
    _aa._ab(b, j);
    try {
      for (var h = 0; h < g; h += 2) {
        var e = b[Math.floor(j[h]) + qrcode.width * Math.floor(j[h + 1])];
        if (e) {
          k._dq(h >> 1, f);
        }
      }
    } catch (c) {
      throw "Error._ab";
    }
  }
  return k;
};
_aa._ah = function (h, o, l, k, q, p, b, a, f, e, n, m, s, r, d, c, j, i) {
  var g = _ae._ag(l, k, q, p, b, a, f, e, n, m, s, r, d, c, j, i);
  return _aa._af(h, o, g);
};
function _a1(b, a) {
  this.count = b;
  this._fc = a;
  this.__defineGetter__("Count", function () {
    return this.count;
  });
  this.__defineGetter__("_dm", function () {
    return this._fc;
  });
}
function _a2(a, c, b) {
  this._bm = a;
  if (b) {
    this._do = new Array(c, b);
  } else {
    this._do = new Array(c);
  }
  this.__defineGetter__("_bo", function () {
    return this._bm;
  });
  this.__defineGetter__("_dn", function () {
    return this._bm * this._fo;
  });
  this.__defineGetter__("_fo", function () {
    var e = 0;
    for (var d = 0; d < this._do.length; d++) {
      e += this._do[d].length;
    }
    return e;
  });
  this._fb = function () {
    return this._do;
  };
}
function _a3(k, l, h, g, f, e) {
  this._bs = k;
  this._ar = l;
  this._do = new Array(h, g, f, e);
  var j = 0;
  var b = h._bo;
  var a = h._fb();
  for (var d = 0; d < a.length; d++) {
    var c = a[d];
    j += c.Count * (c._dm + b);
  }
  this._br = j;
  this.__defineGetter__("_fd", function () {
    return this._bs;
  });
  this.__defineGetter__("_as", function () {
    return this._ar;
  });
  this.__defineGetter__("_dp", function () {
    return this._br;
  });
  this.__defineGetter__("_cr", function () {
    return 17 + 4 * this._bs;
  });
  this._aq = function () {
    var q = this._cr;
    var o = new _ac(q);
    o._bq(0, 0, 9, 9);
    o._bq(q - 8, 0, 8, 9);
    o._bq(0, q - 8, 9, 8);
    var n = this._ar.length;
    for (var m = 0; m < n; m++) {
      var p = this._ar[m] - 2;
      for (var r = 0; r < n; r++) {
        if ((m == 0 && (r == 0 || r == n - 1)) || (m == n - 1 && r == 0)) {
          continue;
        }
        o._bq(this._ar[r] - 2, p, 5, 5);
      }
    }
    o._bq(6, 9, 1, q - 17);
    o._bq(9, 6, q - 17, 1);
    if (this._bs > 6) {
      o._bq(q - 11, 0, 3, 6);
      o._bq(0, q - 11, 6, 3);
    }
    return o;
  };
  this._bu = function (i) {
    return this._do[i.ordinal()];
  };
}
_a3._bv = new Array(
  31892,
  34236,
  39577,
  42195,
  48118,
  51042,
  55367,
  58893,
  63784,
  68472,
  70749,
  76311,
  79154,
  84390,
  87683,
  92361,
  96236,
  102084,
  102881,
  110507,
  110734,
  117786,
  119615,
  126325,
  127568,
  133589,
  136944,
  141498,
  145311,
  150283,
  152622,
  158308,
  161089,
  167017
);
_a3.VERSIONS = _ay();
_a3._av = function (a) {
  if (a < 1 || a > 40) {
    throw "bad arguments";
  }
  return _a3.VERSIONS[a - 1];
};
_a3._at = function (b) {
  if (b % 4 != 1) {
    throw "Error _at";
  }
  try {
    return _a3._av((b - 17) >> 2);
  } catch (a) {
    throw "Error _av";
  }
};
_a3._aw = function (d) {
  var b = 4294967295;
  var f = 0;
  for (var c = 0; c < _a3._bv.length; c++) {
    var a = _a3._bv[c];
    if (a == d) {
      return this._av(c + 7);
    }
    var e = _ax._gj(d, a);
    if (e < b) {
      f = c + 7;
      b = e;
    }
  }
  if (b <= 3) {
    return this._av(f);
  }
  return null;
};
function _ay() {
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      new _a2(7, new _a1(1, 19)),
      new _a2(10, new _a1(1, 16)),
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  );
}
function _ae(i, f, c, h, e, b, g, d, a) {
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  this.a12 = h;
  this.a13 = g;
  this.a21 = f;
  this.a22 = e;
  this.a23 = d;
  this.a31 = c;
  this.a32 = b;
  this.a33 = a;
  this._ad = function (v) {
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    var z = this.a11;
    var w = this.a12;
    var u = this.a13;
    var q = this.a21;
    var p = this.a22;
    var o = this.a23;
    var m = this.a31;
    var k = this.a32;
    var j = this.a33;
    for (var n = 0; n < s; n += 2) {
      var t = v[n];
      var r = v[n + 1];
      var l = u * t + o * r + j;
      v[n] = (z * t + q * r + m) / l;
      v[n + 1] = (w * t + p * r + k) / l;
    }
  };
  this._fp = function (m, k) {
    var q = m.length;
    for (var l = 0; l < q; l++) {
      var j = m[l];
      var p = k[l];
      var o = this.a13 * j + this.a23 * p + this.a33;
      m[l] = (this.a11 * j + this.a21 * p + this.a31) / o;
      k[l] = (this.a12 * j + this.a22 * p + this.a32) / o;
    }
  };
  this._fr = function () {
    return new _ae(
      this.a22 * this.a33 - this.a23 * this.a32,
      this.a23 * this.a31 - this.a21 * this.a33,
      this.a21 * this.a32 - this.a22 * this.a31,
      this.a13 * this.a32 - this.a12 * this.a33,
      this.a11 * this.a33 - this.a13 * this.a31,
      this.a12 * this.a31 - this.a11 * this.a32,
      this.a12 * this.a23 - this.a13 * this.a22,
      this.a13 * this.a21 - this.a11 * this.a23,
      this.a11 * this.a22 - this.a12 * this.a21
    );
  };
  this.times = function (j) {
    return new _ae(
      this.a11 * j.a11 + this.a21 * j.a12 + this.a31 * j.a13,
      this.a11 * j.a21 + this.a21 * j.a22 + this.a31 * j.a23,
      this.a11 * j.a31 + this.a21 * j.a32 + this.a31 * j.a33,
      this.a12 * j.a11 + this.a22 * j.a12 + this.a32 * j.a13,
      this.a12 * j.a21 + this.a22 * j.a22 + this.a32 * j.a23,
      this.a12 * j.a31 + this.a22 * j.a32 + this.a32 * j.a33,
      this.a13 * j.a11 + this.a23 * j.a12 + this.a33 * j.a13,
      this.a13 * j.a21 + this.a23 * j.a22 + this.a33 * j.a23,
      this.a13 * j.a31 + this.a23 * j.a32 + this.a33 * j.a33
    );
  };
}
_ae._ag = function (p, e, o, d, n, c, m, b, h, q, l, f, a, j, i, r) {
  var g = this._be(p, e, o, d, n, c, m, b);
  var k = this._bf(h, q, l, f, a, j, i, r);
  return k.times(g);
};
_ae._bf = function (d, p, c, m, b, k, a, j) {
  var h = j - k;
  var f = p - m + k - j;
  if (h == 0 && f == 0) {
    return new _ae(c - d, b - c, d, m - p, k - m, p, 0, 0, 1);
  } else {
    var q = c - b;
    var o = a - b;
    var l = d - c + b - a;
    var i = m - k;
    var e = q * h - o * i;
    var n = (l * h - o * f) / e;
    var g = (q * f - l * i) / e;
    return new _ae(
      c - d + n * c,
      a - d + g * a,
      d,
      m - p + n * m,
      j - p + g * j,
      p,
      n,
      g,
      1
    );
  }
};
_ae._be = function (f, h, d, g, b, e, a, c) {
  return this._bf(f, h, d, g, b, e, a, c)._fr();
};
function _bg(b, a) {
  this.bits = b;
  this.points = a;
}
function Detector(a) {
  this.image = a;
  this._am = null;
  this._bi = function (m, l, c, b) {
    var d = Math.abs(b - l) > Math.abs(c - m);
    if (d) {
      var r = m;
      m = l;
      l = r;
      r = c;
      c = b;
      b = r;
    }
    var j = Math.abs(c - m);
    var i = Math.abs(b - l);
    var p = -j >> 1;
    var u = l < b ? 1 : -1;
    var f = m < c ? 1 : -1;
    var e = 0;
    for (var h = m, g = l; h != c; h += f) {
      var t = d ? g : h;
      var s = d ? h : g;
      if (e == 1) {
        if (this.image[t + s * qrcode.width]) {
          e++;
        }
      } else {
        if (!this.image[t + s * qrcode.width]) {
          e++;
        }
      }
      if (e == 3) {
        var o = h - m;
        var n = g - l;
        return Math.sqrt(o * o + n * n);
      }
      p += i;
      if (p > 0) {
        if (g == b) {
          break;
        }
        g += u;
        p -= j;
      }
    }
    var k = c - m;
    var q = b - l;
    return Math.sqrt(k * k + q * q);
  };
  this._bh = function (i, g, h, f) {
    var b = this._bi(i, g, h, f);
    var e = 1;
    var d = i - (h - i);
    if (d < 0) {
      e = i / (i - d);
      d = 0;
    } else {
      if (d >= qrcode.width) {
        e = (qrcode.width - 1 - i) / (d - i);
        d = qrcode.width - 1;
      }
    }
    var c = Math.floor(g - (f - g) * e);
    e = 1;
    if (c < 0) {
      e = g / (g - c);
      c = 0;
    } else {
      if (c >= qrcode.height) {
        e = (qrcode.height - 1 - g) / (c - g);
        c = qrcode.height - 1;
      }
    }
    d = Math.floor(i + (d - i) * e);
    b += this._bi(i, g, d, c);
    return b - 1;
  };
  this._bj = function (c, d) {
    var b = this._bh(
      Math.floor(c.X),
      Math.floor(c.Y),
      Math.floor(d.X),
      Math.floor(d.Y)
    );
    var e = this._bh(
      Math.floor(d.X),
      Math.floor(d.Y),
      Math.floor(c.X),
      Math.floor(c.Y)
    );
    if (isNaN(b)) {
      return e / 7;
    }
    if (isNaN(e)) {
      return b / 7;
    }
    return (b + e) / 14;
  };
  this._bk = function (d, c, b) {
    return (this._bj(d, c) + this._bj(d, b)) / 2;
  };
  this.distance = function (d, b) {
    var e = d.X - b.X;
    var c = d.Y - b.Y;
    return Math.sqrt(e * e + c * c);
  };
  this._bx = function (g, f, d, e) {
    var b = Math.round(this.distance(g, f) / e);
    var c = Math.round(this.distance(g, d) / e);
    var h = ((b + c) >> 1) + 7;
    switch (h & 3) {
      case 0:
        h++;
        break;
      case 2:
        h--;
        break;
      case 3:
        throw "Error";
    }
    return h;
  };
  this._bl = function (g, f, d, j) {
    var k = Math.floor(j * g);
    var h = Math.max(0, f - k);
    var i = Math.min(qrcode.width - 1, f + k);
    if (i - h < g * 3) {
      throw "Error";
    }
    var b = Math.max(0, d - k);
    var c = Math.min(qrcode.height - 1, d + k);
    var e = new _ak(this.image, h, b, i - h, c - b, g, this._am);
    return e.find();
  };
  this.createTransform = function (l, h, k, b, g) {
    var j = g - 3.5;
    var i;
    var f;
    var e;
    var c;
    if (b != null) {
      i = b.X;
      f = b.Y;
      e = c = j - 3;
    } else {
      i = h.X - l.X + k.X;
      f = h.Y - l.Y + k.Y;
      e = c = j;
    }
    var d = _ae._ag(
      3.5,
      3.5,
      j,
      3.5,
      e,
      c,
      3.5,
      j,
      l.X,
      l.Y,
      h.X,
      h.Y,
      i,
      f,
      k.X,
      k.Y
    );
    return d;
  };
  this._bz = function (e, b, d) {
    var c = _aa;
    return c._af(e, d, b);
  };
  this._cd = function (q) {
    var j = q._gq;
    var h = q._gs;
    var n = q._gp;
    var d = this._bk(j, h, n);
    if (d < 1) {
      throw "Error";
    }
    var r = this._bx(j, h, n, d);
    var b = _a3._at(r);
    var k = b._cr - 7;
    var l = null;
    if (b._as.length > 0) {
      var f = h.X - j.X + n.X;
      var e = h.Y - j.Y + n.Y;
      var c = 1 - 3 / k;
      var t = Math.floor(j.X + c * (f - j.X));
      var s = Math.floor(j.Y + c * (e - j.Y));
      for (var p = 4; p <= 16; p <<= 1) {
        l = this._bl(d, t, s, p);
        break;
      }
    }
    var g = this.createTransform(j, h, n, l, r);
    var m = this._bz(this.image, g, r);
    var o;
    if (l == null) {
      o = new Array(n, j, h);
    } else {
      o = new Array(n, j, h, l);
    }
    return new _bg(m, o);
  };
  this.detect = function () {
    var b = new _cc()._ce(this.image);
    return this._cd(b);
  };
}
var _ca = 21522;
var _cb = new Array(
  new Array(21522, 0),
  new Array(20773, 1),
  new Array(24188, 2),
  new Array(23371, 3),
  new Array(17913, 4),
  new Array(16590, 5),
  new Array(20375, 6),
  new Array(19104, 7),
  new Array(30660, 8),
  new Array(29427, 9),
  new Array(32170, 10),
  new Array(30877, 11),
  new Array(26159, 12),
  new Array(25368, 13),
  new Array(27713, 14),
  new Array(26998, 15),
  new Array(5769, 16),
  new Array(5054, 17),
  new Array(7399, 18),
  new Array(6608, 19),
  new Array(1890, 20),
  new Array(597, 21),
  new Array(3340, 22),
  new Array(2107, 23),
  new Array(13663, 24),
  new Array(12392, 25),
  new Array(16177, 26),
  new Array(14854, 27),
  new Array(9396, 28),
  new Array(8579, 29),
  new Array(11994, 30),
  new Array(11245, 31)
);
var _ch = new Array(0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4);
function _ax(a) {
  this._cf = _cg.forBits((a >> 3) & 3);
  this._fe = a & 7;
  this.__defineGetter__("_cg", function () {
    return this._cf;
  });
  this.__defineGetter__("_dx", function () {
    return this._fe;
  });
  this.GetHashCode = function () {
    return (this._cf.ordinal() << 3) | this._fe;
  };
  this.Equals = function (c) {
    var b = c;
    return this._cf == b._cf && this._fe == b._fe;
  };
}
_ax._gj = function (d, c) {
  d ^= c;
  return (
    _ch[d & 15] +
    _ch[_ew(d, 4) & 15] +
    _ch[_ew(d, 8) & 15] +
    _ch[_ew(d, 12) & 15] +
    _ch[_ew(d, 16) & 15] +
    _ch[_ew(d, 20) & 15] +
    _ch[_ew(d, 24) & 15] +
    _ch[_ew(d, 28) & 15]
  );
};
_ax._ci = function (a) {
  var b = _ax._cj(a);
  if (b != null) {
    return b;
  }
  return _ax._cj(a ^ _ca);
};
_ax._cj = function (d) {
  var b = 4294967295;
  var a = 0;
  for (var c = 0; c < _cb.length; c++) {
    var g = _cb[c];
    var f = g[0];
    if (f == d) {
      return new _ax(g[1]);
    }
    var e = this._gj(d, f);
    if (e < b) {
      a = g[1];
      b = e;
    }
  }
  if (b <= 3) {
    return new _ax(a);
  }
  return null;
};
function _cg(a, c, b) {
  this._ff = a;
  this.bits = c;
  this.name = b;
  this.__defineGetter__("Bits", function () {
    return this.bits;
  });
  this.__defineGetter__("Name", function () {
    return this.name;
  });
  this.ordinal = function () {
    return this._ff;
  };
}
_cg.forBits = function (a) {
  if (a < 0 || a >= FOR_BITS.length) {
    throw "bad arguments";
  }
  return FOR_BITS[a];
};
var L = new _cg(0, 1, "L");
var M = new _cg(1, 0, "M");
var Q = new _cg(2, 3, "Q");
var H = new _cg(3, 2, "H");
var FOR_BITS = new Array(M, L, H, Q);
function _ac(d, a) {
  if (!a) {
    a = d;
  }
  if (d < 1 || a < 1) {
    throw "Both dimensions must be greater than 0";
  }
  this.width = d;
  this.height = a;
  var c = d >> 5;
  if ((d & 31) != 0) {
    c++;
  }
  this.rowSize = c;
  this.bits = new Array(c * a);
  for (var b = 0; b < this.bits.length; b++) {
    this.bits[b] = 0;
  }
  this.__defineGetter__("Width", function () {
    return this.width;
  });
  this.__defineGetter__("Height", function () {
    return this.height;
  });
  this.__defineGetter__("Dimension", function () {
    if (this.width != this.height) {
      throw "Can't call getDimension() on a non-square matrix";
    }
    return this.width;
  });
  this._ds = function (e, g) {
    var f = g * this.rowSize + (e >> 5);
    return (_ew(this.bits[f], e & 31) & 1) != 0;
  };
  this._dq = function (e, g) {
    var f = g * this.rowSize + (e >> 5);
    this.bits[f] |= 1 << (e & 31);
  };
  this.flip = function (e, g) {
    var f = g * this.rowSize + (e >> 5);
    this.bits[f] ^= 1 << (e & 31);
  };
  this.clear = function () {
    var e = this.bits.length;
    for (var f = 0; f < e; f++) {
      this.bits[f] = 0;
    }
  };
  this._bq = function (g, j, f, m) {
    if (j < 0 || g < 0) {
      throw "Left and top must be nonnegative";
    }
    if (m < 1 || f < 1) {
      throw "Height and width must be at least 1";
    }
    var l = g + f;
    var e = j + m;
    if (e > this.height || l > this.width) {
      throw "The region must fit inside the matrix";
    }
    for (var i = j; i < e; i++) {
      var h = i * this.rowSize;
      for (var k = g; k < l; k++) {
        this.bits[h + (k >> 5)] |= 1 << (k & 31);
      }
    }
  };
}
function _dl(a, b) {
  this._dv = a;
  this._dw = b;
  this.__defineGetter__("_du", function () {
    return this._dv;
  });
  this.__defineGetter__("Codewords", function () {
    return this._dw;
  });
}
_dl._gn = function (c, h, r) {
  if (c.length != h._dp) {
    throw "bad arguments";
  }
  var k = h._bu(r);
  var e = 0;
  var d = k._fb();
  for (var q = 0; q < d.length; q++) {
    e += d[q].Count;
  }
  var l = new Array(e);
  var n = 0;
  for (var o = 0; o < d.length; o++) {
    var f = d[o];
    for (var q = 0; q < f.Count; q++) {
      var m = f._dm;
      var s = k._bo + m;
      l[n++] = new _dl(m, new Array(s));
    }
  }
  var t = l[0]._dw.length;
  var b = l.length - 1;
  while (b >= 0) {
    var v = l[b]._dw.length;
    if (v == t) {
      break;
    }
    b--;
  }
  b++;
  var g = t - k._bo;
  var a = 0;
  for (var q = 0; q < g; q++) {
    for (var o = 0; o < n; o++) {
      l[o]._dw[q] = c[a++];
    }
  }
  for (var o = b; o < n; o++) {
    l[o]._dw[g] = c[a++];
  }
  var p = l[0]._dw.length;
  for (var q = g; q < p; q++) {
    for (var o = 0; o < n; o++) {
      var u = o < b ? q : q + 1;
      l[o]._dw[u] = c[a++];
    }
  }
  return l;
};
function _cl(a) {
  var b = a.Dimension;
  if (b < 21 || (b & 3) != 1) {
    throw "Error _cl";
  }
  this._au = a;
  this._cp = null;
  this._co = null;
  this._dk = function (d, c, e) {
    return this._au._ds(d, c) ? (e << 1) | 1 : e << 1;
  };
  this._cm = function () {
    if (this._co != null) {
      return this._co;
    }
    var g = 0;
    for (var e = 0; e < 6; e++) {
      g = this._dk(e, 8, g);
    }
    g = this._dk(7, 8, g);
    g = this._dk(8, 8, g);
    g = this._dk(8, 7, g);
    for (var c = 5; c >= 0; c--) {
      g = this._dk(8, c, g);
    }
    this._co = _ax._ci(g);
    if (this._co != null) {
      return this._co;
    }
    var f = this._au.Dimension;
    g = 0;
    var d = f - 8;
    for (var e = f - 1; e >= d; e--) {
      g = this._dk(e, 8, g);
    }
    for (var c = f - 7; c < f; c++) {
      g = this._dk(8, c, g);
    }
    this._co = _ax._ci(g);
    if (this._co != null) {
      return this._co;
    }
    throw "Error _cm";
  };
  this._cq = function () {
    if (this._cp != null) {
      return this._cp;
    }
    var h = this._au.Dimension;
    var f = (h - 17) >> 2;
    if (f <= 6) {
      return _a3._av(f);
    }
    var g = 0;
    var e = h - 11;
    for (var c = 5; c >= 0; c--) {
      for (var d = h - 9; d >= e; d--) {
        g = this._dk(d, c, g);
      }
    }
    this._cp = _a3._aw(g);
    if (this._cp != null && this._cp._cr == h) {
      return this._cp;
    }
    g = 0;
    for (var d = 5; d >= 0; d--) {
      for (var c = h - 9; c >= e; c--) {
        g = this._dk(d, c, g);
      }
    }
    this._cp = _a3._aw(g);
    if (this._cp != null && this._cp._cr == h) {
      return this._cp;
    }
    throw "Error _cq";
  };
  this._gk = function () {
    var q = this._cm();
    var o = this._cq();
    var c = _dx._gl(q._dx);
    var f = this._au.Dimension;
    c._dj(this._au, f);
    var k = o._aq();
    var n = true;
    var r = new Array(o._dp);
    var m = 0;
    var p = 0;
    var h = 0;
    for (var e = f - 1; e > 0; e -= 2) {
      if (e == 6) {
        e--;
      }
      for (var l = 0; l < f; l++) {
        var g = n ? f - 1 - l : l;
        for (var d = 0; d < 2; d++) {
          if (!k._ds(e - d, g)) {
            h++;
            p <<= 1;
            if (this._au._ds(e - d, g)) {
              p |= 1;
            }
            if (h == 8) {
              r[m++] = p;
              h = 0;
              p = 0;
            }
          }
        }
      }
      n ^= true;
    }
    if (m != o._dp) {
      throw "Error _gk";
    }
    return r;
  };
}
var _dx = {};
_dx._gl = function (a) {
  if (a < 0 || a > 7) {
    throw "bad arguments";
  }
  return _dx._dy[a];
};
function _fg() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return ((b + a) & 1) == 0;
  };
}
function _fh() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return (b & 1) == 0;
  };
}
function _fi() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return a % 3 == 0;
  };
}
function _fj() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return (b + a) % 3 == 0;
  };
}
function _fk() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return ((_ew(b, 1) + a / 3) & 1) == 0;
  };
}
function _fl() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (c, b) {
    var a = c * b;
    return (a & 1) + (a % 3) == 0;
  };
}
function _fm() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (c, b) {
    var a = c * b;
    return (((a & 1) + (a % 3)) & 1) == 0;
  };
}
function _fn() {
  this._dj = function (c, d) {
    for (var b = 0; b < d; b++) {
      for (var a = 0; a < d; a++) {
        if (this._fw(b, a)) {
          c.flip(a, b);
        }
      }
    }
  };
  this._fw = function (b, a) {
    return ((((b + a) & 1) + ((b * a) % 3)) & 1) == 0;
  };
}
_dx._dy = new Array(
  new _fg(),
  new _fh(),
  new _fi(),
  new _fj(),
  new _fk(),
  new _fl(),
  new _fm(),
  new _fn()
);
function _db(a) {
  this._fa = a;
  this.decode = function (j, f) {
    var c = new _bp(this._fa, j);
    var p = new Array(f);
    for (var g = 0; g < p.length; g++) {
      p[g] = 0;
    }
    var m = false;
    var d = true;
    for (var g = 0; g < f; g++) {
      var q = c.evaluateAt(this._fa.exp(m ? g + 1 : g));
      p[p.length - 1 - g] = q;
      if (q != 0) {
        d = false;
      }
    }
    if (d) {
      return;
    }
    var b = new _bp(this._fa, p);
    var l = this._eb(this._fa._ba(f, 1), b, f);
    var o = l[0];
    var n = l[1];
    var k = this._ey(o);
    var e = this._di(n, k, m);
    for (var g = 0; g < k.length; g++) {
      var h = j.length - 1 - this._fa.log(k[g]);
      if (h < 0) {
        throw "ReedSolomonException Bad error location";
      }
      j[h] = _az._bd(j[h], e[g]);
    }
  };
  this._eb = function (z, y, f) {
    if (z._ec < y._ec) {
      var w = z;
      z = y;
      y = w;
    }
    var B = z;
    var k = y;
    var o = this._fa.One;
    var j = this._fa.Zero;
    var e = this._fa.Zero;
    var i = this._fa.One;
    while (k._ec >= Math.floor(f / 2)) {
      var x = B;
      var g = o;
      var v = e;
      B = k;
      o = j;
      e = i;
      if (B.Zero) {
        throw "r_{i-1} was zero";
      }
      k = x;
      var m = this._fa.Zero;
      var p = B._ex(B._ec);
      var h = this._fa.inverse(p);
      while (k._ec >= B._ec && !k.Zero) {
        var c = k._ec - B._ec;
        var A = this._fa.multiply(k._ex(k._ec), h);
        m = m._bd(this._fa._ba(c, A));
        k = k._bd(B._dc(c, A));
      }
      j = m.multiply1(o)._bd(g);
      i = m.multiply1(e)._bd(v);
    }
    var u = i._ex(0);
    if (u == 0) {
      throw "ReedSolomonException sigmaTilde(0) was zero";
    }
    var d = this._fa.inverse(u);
    var n = i.multiply2(d);
    var l = k.multiply2(d);
    return new Array(n, l);
  };
  this._ey = function (f) {
    var g = f._ec;
    if (g == 1) {
      return new Array(f._ex(1));
    }
    var b = new Array(g);
    var d = 0;
    for (var c = 1; c < 256 && d < g; c++) {
      if (f.evaluateAt(c) == 0) {
        b[d] = this._fa.inverse(c);
        d++;
      }
    }
    if (d != g) {
      throw "Error locator degree does not match number of roots";
    }
    return b;
  };
  this._di = function (f, h, g) {
    var k = h.length;
    var l = new Array(k);
    for (var e = 0; e < k; e++) {
      var b = this._fa.inverse(h[e]);
      var c = 1;
      for (var d = 0; d < k; d++) {
        if (e != d) {
          c = this._fa.multiply(c, _az._bd(1, this._fa.multiply(h[d], b)));
        }
      }
      l[e] = this._fa.multiply(f.evaluateAt(b), this._fa.inverse(c));
      if (g) {
        l[e] = this._fa.multiply(l[e], b);
      }
    }
    return l;
  };
}
function _bp(f, e) {
  if (e == null || e.length == 0) {
    throw "bad arguments";
  }
  this._fa = f;
  var c = e.length;
  if (c > 1 && e[0] == 0) {
    var d = 1;
    while (d < c && e[d] == 0) {
      d++;
    }
    if (d == c) {
      this._dd = f.Zero._dd;
    } else {
      this._dd = new Array(c - d);
      for (var b = 0; b < this._dd.length; b++) {
        this._dd[b] = 0;
      }
      for (var a = 0; a < this._dd.length; a++) {
        this._dd[a] = e[d + a];
      }
    }
  } else {
    this._dd = e;
  }
  this.__defineGetter__("Zero", function () {
    return this._dd[0] == 0;
  });
  this.__defineGetter__("_ec", function () {
    return this._dd.length - 1;
  });
  this.__defineGetter__("Coefficients", function () {
    return this._dd;
  });
  this._ex = function (g) {
    return this._dd[this._dd.length - 1 - g];
  };
  this.evaluateAt = function (h) {
    if (h == 0) {
      return this._ex(0);
    }
    var l = this._dd.length;
    if (h == 1) {
      var g = 0;
      for (var k = 0; k < l; k++) {
        g = _az._bd(g, this._dd[k]);
      }
      return g;
    }
    var j = this._dd[0];
    for (var k = 1; k < l; k++) {
      j = _az._bd(this._fa.multiply(h, j), this._dd[k]);
    }
    return j;
  };
  this._bd = function (g) {
    if (this._fa != g._fa) {
      throw "GF256Polys do not have same _az _fa";
    }
    if (this.Zero) {
      return g;
    }
    if (g.Zero) {
      return this;
    }
    var o = this._dd;
    var n = g._dd;
    if (o.length > n.length) {
      var j = o;
      o = n;
      n = j;
    }
    var h = new Array(n.length);
    var k = n.length - o.length;
    for (var m = 0; m < k; m++) {
      h[m] = n[m];
    }
    for (var l = k; l < n.length; l++) {
      h[l] = _az._bd(o[l - k], n[l]);
    }
    return new _bp(f, h);
  };
  this.multiply1 = function (o) {
    if (this._fa != o._fa) {
      throw "GF256Polys do not have same _az _fa";
    }
    if (this.Zero || o.Zero) {
      return this._fa.Zero;
    }
    var q = this._dd;
    var g = q.length;
    var l = o._dd;
    var n = l.length;
    var p = new Array(g + n - 1);
    for (var m = 0; m < g; m++) {
      var h = q[m];
      for (var k = 0; k < n; k++) {
        p[m + k] = _az._bd(p[m + k], this._fa.multiply(h, l[k]));
      }
    }
    return new _bp(this._fa, p);
  };
  this.multiply2 = function (g) {
    if (g == 0) {
      return this._fa.Zero;
    }
    if (g == 1) {
      return this;
    }
    var j = this._dd.length;
    var k = new Array(j);
    for (var h = 0; h < j; h++) {
      k[h] = this._fa.multiply(this._dd[h], g);
    }
    return new _bp(this._fa, k);
  };
  this._dc = function (l, g) {
    if (l < 0) {
      throw "bad arguments";
    }
    if (g == 0) {
      return this._fa.Zero;
    }
    var j = this._dd.length;
    var k = new Array(j + l);
    for (var h = 0; h < k.length; h++) {
      k[h] = 0;
    }
    for (var h = 0; h < j; h++) {
      k[h] = this._fa.multiply(this._dd[h], g);
    }
    return new _bp(this._fa, k);
  };
  this.divide = function (l) {
    if (this._fa != l._fa) {
      throw "GF256Polys do not have same _az _fa";
    }
    if (l.Zero) {
      throw "Divide by 0";
    }
    var j = this._fa.Zero;
    var o = this;
    var g = l._ex(l._ec);
    var n = this._fa.inverse(g);
    while (o._ec >= l._ec && !o.Zero) {
      var m = o._ec - l._ec;
      var h = this._fa.multiply(o._ex(o._ec), n);
      var i = l._dc(m, h);
      var k = this._fa._ba(m, h);
      j = j._bd(k);
      o = o._bd(i);
    }
    return new Array(j, o);
  };
}
function _az(b) {
  this._gh = new Array(256);
  this._gi = new Array(256);
  var a = 1;
  for (var e = 0; e < 256; e++) {
    this._gh[e] = a;
    a <<= 1;
    if (a >= 256) {
      a ^= b;
    }
  }
  for (var e = 0; e < 255; e++) {
    this._gi[this._gh[e]] = e;
  }
  var d = new Array(1);
  d[0] = 0;
  this.zero = new _bp(this, new Array(d));
  var c = new Array(1);
  c[0] = 1;
  this.one = new _bp(this, new Array(c));
  this.__defineGetter__("Zero", function () {
    return this.zero;
  });
  this.__defineGetter__("One", function () {
    return this.one;
  });
  this._ba = function (j, f) {
    if (j < 0) {
      throw "bad arguments";
    }
    if (f == 0) {
      return this.zero;
    }
    var h = new Array(j + 1);
    for (var g = 0; g < h.length; g++) {
      h[g] = 0;
    }
    h[0] = f;
    return new _bp(this, h);
  };
  this.exp = function (f) {
    return this._gh[f];
  };
  this.log = function (f) {
    if (f == 0) {
      throw "bad arguments";
    }
    return this._gi[f];
  };
  this.inverse = function (f) {
    if (f == 0) {
      throw "System.ArithmeticException";
    }
    return this._gh[255 - this._gi[f]];
  };
  this.multiply = function (g, f) {
    if (g == 0 || f == 0) {
      return 0;
    }
    if (g == 1) {
      return f;
    }
    if (f == 1) {
      return g;
    }
    return this._gh[(this._gi[g] + this._gi[f]) % 255];
  };
}
_az._bb = new _az(285);
_az._bc = new _az(301);
_az._bd = function (d, c) {
  return d ^ c;
};
var Decoder = {};
Decoder.rsDecoder = new _db(_az._bb);
Decoder.correctErrors = function (g, b) {
  var d = g.length;
  var f = new Array(d);
  for (var e = 0; e < d; e++) {
    f[e] = g[e] & 255;
  }
  var a = g.length - b;
  try {
    Decoder.rsDecoder.decode(f, a);
  } catch (c) {
    throw c;
  }
  for (var e = 0; e < b; e++) {
    g[e] = f[e];
  }
};
Decoder.decode = function (q) {
  var b = new _cl(q);
  var o = b._cq();
  var c = b._cm()._cg;
  var p = b._gk();
  var a = _dl._gn(p, o, c);
  var f = 0;
  for (var k = 0; k < a.length; k++) {
    f += a[k]._du;
  }
  var e = new Array(f);
  var n = 0;
  for (var h = 0; h < a.length; h++) {
    var m = a[h];
    var d = m.Codewords;
    var g = m._du;
    Decoder.correctErrors(d, g);
    for (var k = 0; k < g; k++) {
      e[n++] = d[k];
    }
  }
  var l = new QRCodeDataBlockReader(e, o._fd, c.Bits);
  return l;
};
var qrcode = {};
qrcode.imagedata = null;
qrcode.width = 0;
qrcode.height = 0;
qrcode.qrCodeSymbol = null;
qrcode.debug = false;
qrcode.maxImgSize = 1024 * 1024;
qrcode._eo = [
  [10, 9, 8, 8],
  [12, 11, 16, 10],
  [14, 13, 16, 12],
];
qrcode.callback = null;
qrcode.vidSuccess = function (a) {
  qrcode.localstream = a;
  if (qrcode.webkit) {
    qrcode.video.src = window.webkitURL.createObjectURL(a);
  } else {
    if (qrcode.moz) {
      qrcode.video.mozSrcObject = a;
      qrcode.video.play();
    } else {
      qrcode.video.src = a;
    }
  }
  qrcode.gUM = true;
  qrcode.canvas_qr2 = document.createElement("canvas");
  qrcode.canvas_qr2.id = "qr-canvas";
  qrcode.qrcontext2 = qrcode.canvas_qr2.getContext("2d");
  qrcode.canvas_qr2.width = qrcode.video.videoWidth;
  qrcode.canvas_qr2.height = qrcode.video.videoHeight;
  setTimeout(qrcode.captureToCanvas, 500);
};
qrcode.vidError = function (a) {
  qrcode.gUM = false;
  return;
};
qrcode.captureToCanvas = function () {
  if (qrcode.gUM) {
    try {
      if (qrcode.video.videoWidth == 0) {
        setTimeout(qrcode.captureToCanvas, 500);
        return;
      } else {
        qrcode.canvas_qr2.width = qrcode.video.videoWidth;
        qrcode.canvas_qr2.height = qrcode.video.videoHeight;
      }
      qrcode.qrcontext2.drawImage(qrcode.video, 0, 0);
      try {
        qrcode.decode();
      } catch (a) {
        console.log(a);
        setTimeout(qrcode.captureToCanvas, 500);
      }
    } catch (a) {
      console.log(a);
      setTimeout(qrcode.captureToCanvas, 500);
    }
  }
};
qrcode.setWebcam = function (c) {
  var d = navigator;
  qrcode.video = document.getElementById(c);
  var a = true;
  if (navigator.mediaDevices && navigator.mediaDevices.enumerateDevices) {
    try {
      navigator.mediaDevices.enumerateDevices().then(function (e) {
        e.forEach(function (f) {
          console.log("deb1");
          if (f.kind === "videoinput") {
            if (f.label.toLowerCase().search("back") > -1) {
              a = [{ sourceId: f.deviceId }];
            }
          }
          console.log(f.kind + ": " + f.label + " id = " + f.deviceId);
        });
      });
    } catch (b) {
      console.log(b);
    }
  } else {
    console.log("no navigator.mediaDevices.enumerateDevices");
  }
  if (d.getUserMedia) {
    d.getUserMedia(
      { video: a, audio: false },
      qrcode.vidSuccess,
      qrcode.vidError
    );
  } else {
    if (d.webkitGetUserMedia) {
      qrcode.webkit = true;
      d.webkitGetUserMedia(
        { video: a, audio: false },
        qrcode.vidSuccess,
        qrcode.vidError
      );
    } else {
      if (d.mozGetUserMedia) {
        qrcode.moz = true;
        d.mozGetUserMedia(
          { video: a, audio: false },
          qrcode.vidSuccess,
          qrcode.vidError
        );
      }
    }
  }
};
qrcode.decode = function (d) {
  if (arguments.length == 0) {
    if (qrcode.canvas_qr2) {
      var b = qrcode.canvas_qr2;
      var a = qrcode.qrcontext2;
    } else {
      var b = document.getElementById("qr-canvas");
      var a = b.getContext("2d");
    }
    qrcode.width = b.width;
    qrcode.height = b.height;
    qrcode.imagedata = a.getImageData(0, 0, qrcode.width, qrcode.height);
    qrcode.result = qrcode.process(a);
    if (qrcode.callback != null) {
      qrcode.callback(qrcode.result);
    }
    return qrcode.result;
  } else {
    var c = new Image();
    c.crossOrigin = "Anonymous";
    c.onload = function () {
      var g = document.getElementById("out-canvas");
      if (g != null) {
        var j = g.getContext("2d");
        j.clearRect(0, 0, 320, 240);
        j.drawImage(c, 0, 0, 320, 240);
      }
      var i = document.createElement("canvas");
      var h = i.getContext("2d");
      var f = c.height;
      var l = c.width;
      if (c.width * c.height > qrcode.maxImgSize) {
        var k = c.width / c.height;
        f = Math.sqrt(qrcode.maxImgSize / k);
        l = k * f;
      }
      i.width = l;
      i.height = f;
      h.drawImage(c, 0, 0, i.width, i.height);
      qrcode.width = i.width;
      qrcode.height = i.height;
      try {
        qrcode.imagedata = h.getImageData(0, 0, i.width, i.height);
      } catch (m) {
        qrcode.result =
          "Cross domain image reading not supported in your browser! Save it to your computer then drag and drop the file!";
        if (qrcode.callback != null) {
          qrcode.callback(qrcode.result);
        }
        return;
      }
      try {
        qrcode.result = qrcode.process(h);
      } catch (m) {
        console.log(m);
        qrcode.result = "error decoding QR Code";
      }
      if (qrcode.callback != null) {
        qrcode.callback(qrcode.result);
      }
    };
    c.onerror = function () {
      if (qrcode.callback != null) {
        qrcode.callback("Failed to load the image");
      }
    };
    c.src = d;
  }
};
qrcode.isUrl = function (a) {
  var b =
    /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
  return b.test(a);
};
qrcode.decode_url = function (b) {
  var d = "";
  try {
    d = escape(b);
  } catch (c) {
    console.log(c);
    d = b;
  }
  var a = "";
  try {
    a = decodeURIComponent(d);
  } catch (c) {
    console.log(c);
    a = d;
  }
  return a;
};
qrcode.decode_utf8 = function (a) {
  if (qrcode.isUrl(a)) {
    return qrcode.decode_url(a);
  } else {
    return a;
  }
};
qrcode.process = function (q) {
  var a = new Date().getTime();
  var c = qrcode.grayScaleToBitmap(qrcode.grayscale());
  if (qrcode.debug) {
    for (var m = 0; m < qrcode.height; m++) {
      for (var n = 0; n < qrcode.width; n++) {
        var o = n * 4 + m * qrcode.width * 4;
        qrcode.imagedata.data[o] = c[n + m * qrcode.width] ? 0 : 0;
        qrcode.imagedata.data[o + 1] = c[n + m * qrcode.width] ? 0 : 0;
        qrcode.imagedata.data[o + 2] = c[n + m * qrcode.width] ? 255 : 0;
      }
    }
    q.putImageData(qrcode.imagedata, 0, 0);
  }
  var h = new Detector(c);
  var p = h.detect();
  if (qrcode.debug) {
    for (var m = 0; m < p.bits.Height; m++) {
      for (var n = 0; n < p.bits.Width; n++) {
        var o = n * 4 * 2 + m * 2 * qrcode.width * 4;
        qrcode.imagedata.data[o] = p.bits._ds(n, m) ? 0 : 0;
        qrcode.imagedata.data[o + 1] = p.bits._ds(n, m) ? 0 : 0;
        qrcode.imagedata.data[o + 2] = p.bits._ds(n, m) ? 255 : 0;
      }
    }
    q.putImageData(qrcode.imagedata, 0, 0);
  }
  var k = Decoder.decode(p.bits);
  var g = k.DataByte;
  var l = "";
  for (var f = 0; f < g.length; f++) {
    for (var e = 0; e < g[f].length; e++) {
      l += String.fromCharCode(g[f][e]);
    }
  }
  var d = new Date().getTime();
  var b = d - a;
  console.log(b);
  return qrcode.decode_utf8(l);
};
qrcode.getPixel = function (b, d) {
  if (qrcode.width < b) {
    throw "point error";
  }
  if (qrcode.height < d) {
    throw "point error";
  }
  var a = b * 4 + d * qrcode.width * 4;
  var c =
    (qrcode.imagedata.data[a] * 33 +
      qrcode.imagedata.data[a + 1] * 34 +
      qrcode.imagedata.data[a + 2] * 33) /
    100;
  return c;
};
qrcode.binarize = function (d) {
  var c = new Array(qrcode.width * qrcode.height);
  for (var e = 0; e < qrcode.height; e++) {
    for (var b = 0; b < qrcode.width; b++) {
      var a = qrcode.getPixel(b, e);
      c[b + e * qrcode.width] = a <= d ? true : false;
    }
  }
  return c;
};
qrcode._em = function (d) {
  var c = 4;
  var k = Math.floor(qrcode.width / c);
  var j = Math.floor(qrcode.height / c);
  var f = new Array(c);
  for (var g = 0; g < c; g++) {
    f[g] = new Array(c);
    for (var e = 0; e < c; e++) {
      f[g][e] = new Array(0, 0);
    }
  }
  for (var o = 0; o < c; o++) {
    for (var a = 0; a < c; a++) {
      f[a][o][0] = 255;
      for (var l = 0; l < j; l++) {
        for (var n = 0; n < k; n++) {
          var h = d[k * a + n + (j * o + l) * qrcode.width];
          if (h < f[a][o][0]) {
            f[a][o][0] = h;
          }
          if (h > f[a][o][1]) {
            f[a][o][1] = h;
          }
        }
      }
    }
  }
  var m = new Array(c);
  for (var b = 0; b < c; b++) {
    m[b] = new Array(c);
  }
  for (var o = 0; o < c; o++) {
    for (var a = 0; a < c; a++) {
      m[a][o] = Math.floor((f[a][o][0] + f[a][o][1]) / 2);
    }
  }
  return m;
};
qrcode.grayScaleToBitmap = function (f) {
  var k = qrcode._em(f);
  var b = k.length;
  var e = Math.floor(qrcode.width / b);
  var d = Math.floor(qrcode.height / b);
  var h = new ArrayBuffer(qrcode.width * qrcode.height);
  var c = new Uint8Array(h);
  for (var j = 0; j < b; j++) {
    for (var a = 0; a < b; a++) {
      for (var g = 0; g < d; g++) {
        for (var i = 0; i < e; i++) {
          c[e * a + i + (d * j + g) * qrcode.width] =
            f[e * a + i + (d * j + g) * qrcode.width] < k[a][j] ? true : false;
        }
      }
    }
  }
  return c;
};
qrcode.grayscale = function () {
  var e = new ArrayBuffer(qrcode.width * qrcode.height);
  var c = new Uint8Array(e);
  for (var d = 0; d < qrcode.height; d++) {
    for (var b = 0; b < qrcode.width; b++) {
      var a = qrcode.getPixel(b, d);
      c[b + d * qrcode.width] = a;
    }
  }
  return c;
};
function _ew(a, b) {
  if (a >= 0) {
    return a >> b;
  } else {
    return (a >> b) + (2 << ~b);
  }
}
var _gf = 3;
var _eh = 57;
var _el = 8;
var _eg = 2;
qrcode._er = function (c) {
  function b(m, k) {
    var n = m.X - k.X;
    var l = m.Y - k.Y;
    return Math.sqrt(n * n + l * l);
  }
  function d(k, o, n) {
    var m = o.x;
    var l = o.y;
    return (n.x - m) * (k.y - l) - (n.y - l) * (k.x - m);
  }
  var i = b(c[0], c[1]);
  var f = b(c[1], c[2]);
  var e = b(c[0], c[2]);
  var a, j, h;
  if (f >= i && f >= e) {
    j = c[0];
    a = c[1];
    h = c[2];
  } else {
    if (e >= f && e >= i) {
      j = c[1];
      a = c[0];
      h = c[2];
    } else {
      j = c[2];
      a = c[0];
      h = c[1];
    }
  }
  if (d(a, j, h) < 0) {
    var g = a;
    a = h;
    h = g;
  }
  c[0] = a;
  c[1] = j;
  c[2] = h;
};
function _cz(c, a, b) {
  this.x = c;
  this.y = a;
  this.count = 1;
  this._aj = b;
  this.__defineGetter__("_ei", function () {
    return this._aj;
  });
  this.__defineGetter__("Count", function () {
    return this.count;
  });
  this.__defineGetter__("X", function () {
    return this.x;
  });
  this.__defineGetter__("Y", function () {
    return this.y;
  });
  this._ek = function () {
    this.count++;
  };
  this._ev = function (f, e, d) {
    if (Math.abs(e - this.y) <= f && Math.abs(d - this.x) <= f) {
      var g = Math.abs(f - this._aj);
      return g <= 1 || g / this._aj <= 1;
    }
    return false;
  };
}
function _es(a) {
  this._go = a[0];
  this._gu = a[1];
  this._gr = a[2];
  this.__defineGetter__("_gp", function () {
    return this._go;
  });
  this.__defineGetter__("_gq", function () {
    return this._gu;
  });
  this.__defineGetter__("_gs", function () {
    return this._gr;
  });
}
function _cc() {
  this.image = null;
  this._cv = [];
  this._ge = false;
  this._al = new Array(0, 0, 0, 0, 0);
  this._am = null;
  this.__defineGetter__("_da", function () {
    this._al[0] = 0;
    this._al[1] = 0;
    this._al[2] = 0;
    this._al[3] = 0;
    this._al[4] = 0;
    return this._al;
  });
  this._ao = function (f) {
    var b = 0;
    for (var d = 0; d < 5; d++) {
      var e = f[d];
      if (e == 0) {
        return false;
      }
      b += e;
    }
    if (b < 7) {
      return false;
    }
    var c = Math.floor((b << _el) / 7);
    var a = Math.floor(c / 2);
    return (
      Math.abs(c - (f[0] << _el)) < a &&
      Math.abs(c - (f[1] << _el)) < a &&
      Math.abs(3 * c - (f[2] << _el)) < 3 * a &&
      Math.abs(c - (f[3] << _el)) < a &&
      Math.abs(c - (f[4] << _el)) < a
    );
  };
  this._an = function (b, a) {
    return a - b[4] - b[3] - b[2] / 2;
  };
  this._ap = function (a, j, d, g) {
    var c = this.image;
    var h = qrcode.height;
    var b = this._da;
    var f = a;
    while (f >= 0 && c[j + f * qrcode.width]) {
      b[2]++;
      f--;
    }
    if (f < 0) {
      return NaN;
    }
    while (f >= 0 && !c[j + f * qrcode.width] && b[1] <= d) {
      b[1]++;
      f--;
    }
    if (f < 0 || b[1] > d) {
      return NaN;
    }
    while (f >= 0 && c[j + f * qrcode.width] && b[0] <= d) {
      b[0]++;
      f--;
    }
    if (b[0] > d) {
      return NaN;
    }
    f = a + 1;
    while (f < h && c[j + f * qrcode.width]) {
      b[2]++;
      f++;
    }
    if (f == h) {
      return NaN;
    }
    while (f < h && !c[j + f * qrcode.width] && b[3] < d) {
      b[3]++;
      f++;
    }
    if (f == h || b[3] >= d) {
      return NaN;
    }
    while (f < h && c[j + f * qrcode.width] && b[4] < d) {
      b[4]++;
      f++;
    }
    if (b[4] >= d) {
      return NaN;
    }
    var e = b[0] + b[1] + b[2] + b[3] + b[4];
    if (5 * Math.abs(e - g) >= 2 * g) {
      return NaN;
    }
    return this._ao(b) ? this._an(b, f) : NaN;
  };
  this._ej = function (b, a, e, h) {
    var d = this.image;
    var i = qrcode.width;
    var c = this._da;
    var g = b;
    while (g >= 0 && d[g + a * qrcode.width]) {
      c[2]++;
      g--;
    }
    if (g < 0) {
      return NaN;
    }
    while (g >= 0 && !d[g + a * qrcode.width] && c[1] <= e) {
      c[1]++;
      g--;
    }
    if (g < 0 || c[1] > e) {
      return NaN;
    }
    while (g >= 0 && d[g + a * qrcode.width] && c[0] <= e) {
      c[0]++;
      g--;
    }
    if (c[0] > e) {
      return NaN;
    }
    g = b + 1;
    while (g < i && d[g + a * qrcode.width]) {
      c[2]++;
      g++;
    }
    if (g == i) {
      return NaN;
    }
    while (g < i && !d[g + a * qrcode.width] && c[3] < e) {
      c[3]++;
      g++;
    }
    if (g == i || c[3] >= e) {
      return NaN;
    }
    while (g < i && d[g + a * qrcode.width] && c[4] < e) {
      c[4]++;
      g++;
    }
    if (c[4] >= e) {
      return NaN;
    }
    var f = c[0] + c[1] + c[2] + c[3] + c[4];
    if (5 * Math.abs(f - h) >= h) {
      return NaN;
    }
    return this._ao(c) ? this._an(c, g) : NaN;
  };
  this._cu = function (c, f, e) {
    var d = c[0] + c[1] + c[2] + c[3] + c[4];
    var n = this._an(c, e);
    var b = this._ap(f, Math.floor(n), c[2], d);
    if (!isNaN(b)) {
      n = this._ej(Math.floor(n), Math.floor(b), c[2], d);
      if (!isNaN(n)) {
        var l = d / 7;
        var m = false;
        var h = this._cv.length;
        for (var g = 0; g < h; g++) {
          var a = this._cv[g];
          if (a._ev(l, b, n)) {
            a._ek();
            m = true;
            break;
          }
        }
        if (!m) {
          var k = new _cz(n, b, l);
          this._cv.push(k);
          if (this._am != null) {
            this._am._ep(k);
          }
        }
        return true;
      }
    }
    return false;
  };
  this._ee = function () {
    var h = this._cv.length;
    if (h < 3) {
      throw "Couldn't find enough finder patterns (found " + h + ")";
    }
    if (h > 3) {
      var b = 0;
      var j = 0;
      for (var d = 0; d < h; d++) {
        var g = this._cv[d]._ei;
        b += g;
        j += g * g;
      }
      var a = b / h;
      this._cv.sort(function (m, l) {
        var k = Math.abs(l._ei - a);
        var i = Math.abs(m._ei - a);
        if (k < i) {
          return -1;
        } else {
          if (k == i) {
            return 0;
          } else {
            return 1;
          }
        }
      });
      var e = Math.sqrt(j / h - a * a);
      var c = Math.max(0.2 * a, e);
      for (var d = this._cv.length - 1; d >= 0; d--) {
        var f = this._cv[d];
        if (Math.abs(f._ei - a) > c) {
          this._cv.splice(d, 1);
        }
      }
    }
    if (this._cv.length > 3) {
      this._cv.sort(function (k, i) {
        if (k.count > i.count) {
          return -1;
        }
        if (k.count < i.count) {
          return 1;
        }
        return 0;
      });
    }
    return new Array(this._cv[0], this._cv[1], this._cv[2]);
  };
  this._eq = function () {
    var b = this._cv.length;
    if (b <= 1) {
      return 0;
    }
    var c = null;
    for (var d = 0; d < b; d++) {
      var a = this._cv[d];
      if (a.Count >= _eg) {
        if (c == null) {
          c = a;
        } else {
          this._ge = true;
          return Math.floor((Math.abs(c.X - a.X) - Math.abs(c.Y - a.Y)) / 2);
        }
      }
    }
    return 0;
  };
  this._cx = function () {
    var g = 0;
    var c = 0;
    var a = this._cv.length;
    for (var d = 0; d < a; d++) {
      var f = this._cv[d];
      if (f.Count >= _eg) {
        g++;
        c += f._ei;
      }
    }
    if (g < 3) {
      return false;
    }
    var e = c / a;
    var b = 0;
    for (var d = 0; d < a; d++) {
      f = this._cv[d];
      b += Math.abs(f._ei - e);
    }
    return b <= 0.05 * c;
  };
  this._ce = function (e) {
    var o = false;
    this.image = e;
    var n = qrcode.height;
    var k = qrcode.width;
    var a = Math.floor((3 * n) / (4 * _eh));
    if (a < _gf || o) {
      a = _gf;
    }
    var g = false;
    var d = new Array(5);
    for (var h = a - 1; h < n && !g; h += a) {
      d[0] = 0;
      d[1] = 0;
      d[2] = 0;
      d[3] = 0;
      d[4] = 0;
      var b = 0;
      for (var f = 0; f < k; f++) {
        if (e[f + h * qrcode.width]) {
          if ((b & 1) == 1) {
            b++;
          }
          d[b]++;
        } else {
          if ((b & 1) == 0) {
            if (b == 4) {
              if (this._ao(d)) {
                var c = this._cu(d, h, f);
                if (c) {
                  a = 2;
                  if (this._ge) {
                    g = this._cx();
                  } else {
                    var m = this._eq();
                    if (m > d[2]) {
                      h += m - d[2] - a;
                      f = k - 1;
                    }
                  }
                } else {
                  do {
                    f++;
                  } while (f < k && !e[f + h * qrcode.width]);
                  f--;
                }
                b = 0;
                d[0] = 0;
                d[1] = 0;
                d[2] = 0;
                d[3] = 0;
                d[4] = 0;
              } else {
                d[0] = d[2];
                d[1] = d[3];
                d[2] = d[4];
                d[3] = 1;
                d[4] = 0;
                b = 3;
              }
            } else {
              d[++b]++;
            }
          } else {
            d[b]++;
          }
        }
      }
      if (this._ao(d)) {
        var c = this._cu(d, h, k);
        if (c) {
          a = d[0];
          if (this._ge) {
            g = this._cx();
          }
        }
      }
    }
    var l = this._ee();
    qrcode._er(l);
    return new _es(l);
  };
}
function _ai(c, a, b) {
  this.x = c;
  this.y = a;
  this.count = 1;
  this._aj = b;
  this.__defineGetter__("_ei", function () {
    return this._aj;
  });
  this.__defineGetter__("Count", function () {
    return this.count;
  });
  this.__defineGetter__("X", function () {
    return Math.floor(this.x);
  });
  this.__defineGetter__("Y", function () {
    return Math.floor(this.y);
  });
  this._ek = function () {
    this.count++;
  };
  this._ev = function (f, e, d) {
    if (Math.abs(e - this.y) <= f && Math.abs(d - this.x) <= f) {
      var g = Math.abs(f - this._aj);
      return g <= 1 || g / this._aj <= 1;
    }
    return false;
  };
}
function _ak(g, c, b, f, a, e, d) {
  this.image = g;
  this._cv = new Array();
  this.startX = c;
  this.startY = b;
  this.width = f;
  this.height = a;
  this._ef = e;
  this._al = new Array(0, 0, 0);
  this._am = d;
  this._an = function (i, h) {
    return h - i[2] - i[1] / 2;
  };
  this._ao = function (l) {
    var k = this._ef;
    var h = k / 2;
    for (var j = 0; j < 3; j++) {
      if (Math.abs(k - l[j]) >= h) {
        return false;
      }
    }
    return true;
  };
  this._ap = function (h, q, l, o) {
    var k = this.image;
    var p = qrcode.height;
    var j = this._al;
    j[0] = 0;
    j[1] = 0;
    j[2] = 0;
    var n = h;
    while (n >= 0 && k[q + n * qrcode.width] && j[1] <= l) {
      j[1]++;
      n--;
    }
    if (n < 0 || j[1] > l) {
      return NaN;
    }
    while (n >= 0 && !k[q + n * qrcode.width] && j[0] <= l) {
      j[0]++;
      n--;
    }
    if (j[0] > l) {
      return NaN;
    }
    n = h + 1;
    while (n < p && k[q + n * qrcode.width] && j[1] <= l) {
      j[1]++;
      n++;
    }
    if (n == p || j[1] > l) {
      return NaN;
    }
    while (n < p && !k[q + n * qrcode.width] && j[2] <= l) {
      j[2]++;
      n++;
    }
    if (j[2] > l) {
      return NaN;
    }
    var m = j[0] + j[1] + j[2];
    if (5 * Math.abs(m - o) >= 2 * o) {
      return NaN;
    }
    return this._ao(j) ? this._an(j, n) : NaN;
  };
  this._cu = function (l, o, n) {
    var m = l[0] + l[1] + l[2];
    var t = this._an(l, n);
    var k = this._ap(o, Math.floor(t), 2 * l[1], m);
    if (!isNaN(k)) {
      var s = (l[0] + l[1] + l[2]) / 3;
      var q = this._cv.length;
      for (var p = 0; p < q; p++) {
        var h = this._cv[p];
        if (h._ev(s, k, t)) {
          return new _ai(t, k, s);
        }
      }
      var r = new _ai(t, k, s);
      this._cv.push(r);
      if (this._am != null) {
        this._am._ep(r);
      }
    }
    return null;
  };
  this.find = function () {
    var p = this.startX;
    var s = this.height;
    var q = p + f;
    var r = b + (s >> 1);
    var m = new Array(0, 0, 0);
    for (var k = 0; k < s; k++) {
      var o = r + ((k & 1) == 0 ? (k + 1) >> 1 : -((k + 1) >> 1));
      m[0] = 0;
      m[1] = 0;
      m[2] = 0;
      var n = p;
      while (n < q && !g[n + qrcode.width * o]) {
        n++;
      }
      var h = 0;
      while (n < q) {
        if (g[n + o * qrcode.width]) {
          if (h == 1) {
            m[h]++;
          } else {
            if (h == 2) {
              if (this._ao(m)) {
                var l = this._cu(m, o, n);
                if (l != null) {
                  return l;
                }
              }
              m[0] = m[2];
              m[1] = 1;
              m[2] = 0;
              h = 1;
            } else {
              m[++h]++;
            }
          }
        } else {
          if (h == 1) {
            h++;
          }
          m[h]++;
        }
        n++;
      }
      if (this._ao(m)) {
        var l = this._cu(m, o, q);
        if (l != null) {
          return l;
        }
      }
    }
    if (!(this._cv.length == 0)) {
      return this._cv[0];
    }
    throw "Couldn't find enough alignment patterns";
  };
}
function QRCodeDataBlockReader(c, a, b) {
  this._ed = 0;
  this._cw = 7;
  this.dataLength = 0;
  this.blocks = c;
  this._en = b;
  if (a <= 9) {
    this.dataLengthMode = 0;
  } else {
    if (a >= 10 && a <= 26) {
      this.dataLengthMode = 1;
    } else {
      if (a >= 27 && a <= 40) {
        this.dataLengthMode = 2;
      }
    }
  }
  this._gd = function (f) {
    var k = 0;
    if (f < this._cw + 1) {
      var m = 0;
      for (var e = 0; e < f; e++) {
        m += 1 << e;
      }
      m <<= this._cw - f + 1;
      k = (this.blocks[this._ed] & m) >> (this._cw - f + 1);
      this._cw -= f;
      return k;
    } else {
      if (f < this._cw + 1 + 8) {
        var j = 0;
        for (var e = 0; e < this._cw + 1; e++) {
          j += 1 << e;
        }
        k = (this.blocks[this._ed] & j) << (f - (this._cw + 1));
        this._ed++;
        k += this.blocks[this._ed] >> (8 - (f - (this._cw + 1)));
        this._cw = this._cw - (f % 8);
        if (this._cw < 0) {
          this._cw = 8 + this._cw;
        }
        return k;
      } else {
        if (f < this._cw + 1 + 16) {
          var j = 0;
          var h = 0;
          for (var e = 0; e < this._cw + 1; e++) {
            j += 1 << e;
          }
          var g = (this.blocks[this._ed] & j) << (f - (this._cw + 1));
          this._ed++;
          var d = this.blocks[this._ed] << (f - (this._cw + 1 + 8));
          this._ed++;
          for (var e = 0; e < f - (this._cw + 1 + 8); e++) {
            h += 1 << e;
          }
          h <<= 8 - (f - (this._cw + 1 + 8));
          var l = (this.blocks[this._ed] & h) >> (8 - (f - (this._cw + 1 + 8)));
          k = g + d + l;
          this._cw = this._cw - ((f - 8) % 8);
          if (this._cw < 0) {
            this._cw = 8 + this._cw;
          }
          return k;
        } else {
          return 0;
        }
      }
    }
  };
  this.NextMode = function () {
    if (this._ed > this.blocks.length - this._en - 2) {
      return 0;
    } else {
      return this._gd(4);
    }
  };
  this.getDataLength = function (d) {
    var e = 0;
    while (true) {
      if (d >> e == 1) {
        break;
      }
      e++;
    }
    return this._gd(qrcode._eo[this.dataLengthMode][e]);
  };
  this.getRomanAndFigureString = function (h) {
    var f = h;
    var g = 0;
    var j = "";
    var d = new Array(
      "0",
      "1",
      "2",
      "3",
      "4",
      "5",
      "6",
      "7",
      "8",
      "9",
      "A",
      "B",
      "C",
      "D",
      "E",
      "F",
      "G",
      "H",
      "I",
      "J",
      "K",
      "L",
      "M",
      "N",
      "O",
      "P",
      "Q",
      "R",
      "S",
      "T",
      "U",
      "V",
      "W",
      "X",
      "Y",
      "Z",
      " ",
      "$",
      "%",
      "*",
      "+",
      "-",
      ".",
      "/",
      ":"
    );
    do {
      if (f > 1) {
        g = this._gd(11);
        var i = Math.floor(g / 45);
        var e = g % 45;
        j += d[i];
        j += d[e];
        f -= 2;
      } else {
        if (f == 1) {
          g = this._gd(6);
          j += d[g];
          f -= 1;
        }
      }
    } while (f > 0);
    return j;
  };
  this.getFigureString = function (f) {
    var d = f;
    var e = 0;
    var g = "";
    do {
      if (d >= 3) {
        e = this._gd(10);
        if (e < 100) {
          g += "0";
        }
        if (e < 10) {
          g += "0";
        }
        d -= 3;
      } else {
        if (d == 2) {
          e = this._gd(7);
          if (e < 10) {
            g += "0";
          }
          d -= 2;
        } else {
          if (d == 1) {
            e = this._gd(4);
            d -= 1;
          }
        }
      }
      g += e;
    } while (d > 0);
    return g;
  };
  this.get8bitByteArray = function (g) {
    var e = g;
    var f = 0;
    var d = new Array();
    do {
      f = this._gd(8);
      d.push(f);
      e--;
    } while (e > 0);
    return d;
  };
  this.getKanjiString = function (j) {
    var g = j;
    var i = 0;
    var h = "";
    do {
      i = this._gd(13);
      var e = i % 192;
      var f = i / 192;
      var k = (f << 8) + e;
      var d = 0;
      if (k + 33088 <= 40956) {
        d = k + 33088;
      } else {
        d = k + 49472;
      }
      h += String.fromCharCode(d);
      g--;
    } while (g > 0);
    return h;
  };
  this.parseECIValue = function () {
    var f = 0;
    var e = this._gd(8);
    if ((e & 128) == 0) {
      f = e & 127;
    }
    if ((e & 192) == 128) {
      var d = this._gd(8);
      f = ((e & 63) << 8) | d;
    }
    if ((e & 224) == 192) {
      var g = this._gd(8);
      f = ((e & 31) << 16) | g;
    }
    return f;
  };
  this.__defineGetter__("DataByte", function () {
    var h = new Array();
    var e = 1;
    var f = 2;
    var d = 4;
    var n = 7;
    var p = 8;
    do {
      var l = this.NextMode();
      if (l == 0) {
        if (h.length > 0) {
          break;
        } else {
          throw "Empty data block";
        }
      }
      if (l != e && l != f && l != d && l != p && l != n) {
        throw (
          "Invalid mode: " +
          l +
          " in (block:" +
          this._ed +
          " bit:" +
          this._cw +
          ")"
        );
      }
      if (l == n) {
        var o = this.parseECIValue();
      } else {
        var g = this.getDataLength(l);
        if (g < 1) {
          throw "Invalid data length: " + g;
        }
        switch (l) {
          case e:
            var m = this.getFigureString(g);
            var k = new Array(m.length);
            for (var i = 0; i < m.length; i++) {
              k[i] = m.charCodeAt(i);
            }
            h.push(k);
            break;
          case f:
            var m = this.getRomanAndFigureString(g);
            var k = new Array(m.length);
            for (var i = 0; i < m.length; i++) {
              k[i] = m.charCodeAt(i);
            }
            h.push(k);
            break;
          case d:
            var o = this.get8bitByteArray(g);
            h.push(o);
            break;
          case p:
            var m = this.getKanjiString(g);
            h.push(m);
            break;
        }
      }
    } while (true);
    return h;
  });
}