/*!
 * qrcode.vue v1.7.0
 * A Vue component to generate QRCode.
 * © 2017-2019 @scopewu(https://github.com/scopewu)
 * MIT License.
 */
var mode = {
  MODE_NUMBER: 1 << 0,
  MODE_ALPHA_NUM: 1 << 1,
  MODE_8BIT_BYTE: 1 << 2,
  MODE_KANJI: 1 << 3
};

function QR8bitByte(data) {
  this.mode = mode.MODE_8BIT_BYTE;
  this.data = data;
}

QR8bitByte.prototype = {
  getLength: function (buffer) {
    return this.data.length;
  },
  write: function (buffer) {
    for (var i = 0; i < this.data.length; i++) {
      // not JIS ...
      buffer.put(this.data.charCodeAt(i), 8);
    }
  }
};
var _8BitByte = QR8bitByte;

var ErrorCorrectLevel = {
  L: 1,
  M: 0,
  Q: 3,
  H: 2
};

function QRRSBlock(totalCount, dataCount) {
  this.totalCount = totalCount;
  this.dataCount = dataCount;
}

QRRSBlock.RS_BLOCK_TABLE = [// L
// M
// Q
// H
// 1
[1, 26, 19], [1, 26, 16], [1, 26, 13], [1, 26, 9], // 2
[1, 44, 34], [1, 44, 28], [1, 44, 22], [1, 44, 16], // 3
[1, 70, 55], [1, 70, 44], [2, 35, 17], [2, 35, 13], // 4		
[1, 100, 80], [2, 50, 32], [2, 50, 24], [4, 25, 9], // 5
[1, 134, 108], [2, 67, 43], [2, 33, 15, 2, 34, 16], [2, 33, 11, 2, 34, 12], // 6
[2, 86, 68], [4, 43, 27], [4, 43, 19], [4, 43, 15], // 7		
[2, 98, 78], [4, 49, 31], [2, 32, 14, 4, 33, 15], [4, 39, 13, 1, 40, 14], // 8
[2, 121, 97], [2, 60, 38, 2, 61, 39], [4, 40, 18, 2, 41, 19], [4, 40, 14, 2, 41, 15], // 9
[2, 146, 116], [3, 58, 36, 2, 59, 37], [4, 36, 16, 4, 37, 17], [4, 36, 12, 4, 37, 13], // 10		
[2, 86, 68, 2, 87, 69], [4, 69, 43, 1, 70, 44], [6, 43, 19, 2, 44, 20], [6, 43, 15, 2, 44, 16], // 11
[4, 101, 81], [1, 80, 50, 4, 81, 51], [4, 50, 22, 4, 51, 23], [3, 36, 12, 8, 37, 13], // 12
[2, 116, 92, 2, 117, 93], [6, 58, 36, 2, 59, 37], [4, 46, 20, 6, 47, 21], [7, 42, 14, 4, 43, 15], // 13
[4, 133, 107], [8, 59, 37, 1, 60, 38], [8, 44, 20, 4, 45, 21], [12, 33, 11, 4, 34, 12], // 14
[3, 145, 115, 1, 146, 116], [4, 64, 40, 5, 65, 41], [11, 36, 16, 5, 37, 17], [11, 36, 12, 5, 37, 13], // 15
[5, 109, 87, 1, 110, 88], [5, 65, 41, 5, 66, 42], [5, 54, 24, 7, 55, 25], [11, 36, 12], // 16
[5, 122, 98, 1, 123, 99], [7, 73, 45, 3, 74, 46], [15, 43, 19, 2, 44, 20], [3, 45, 15, 13, 46, 16], // 17
[1, 135, 107, 5, 136, 108], [10, 74, 46, 1, 75, 47], [1, 50, 22, 15, 51, 23], [2, 42, 14, 17, 43, 15], // 18
[5, 150, 120, 1, 151, 121], [9, 69, 43, 4, 70, 44], [17, 50, 22, 1, 51, 23], [2, 42, 14, 19, 43, 15], // 19
[3, 141, 113, 4, 142, 114], [3, 70, 44, 11, 71, 45], [17, 47, 21, 4, 48, 22], [9, 39, 13, 16, 40, 14], // 20
[3, 135, 107, 5, 136, 108], [3, 67, 41, 13, 68, 42], [15, 54, 24, 5, 55, 25], [15, 43, 15, 10, 44, 16], // 21
[4, 144, 116, 4, 145, 117], [17, 68, 42], [17, 50, 22, 6, 51, 23], [19, 46, 16, 6, 47, 17], // 22
[2, 139, 111, 7, 140, 112], [17, 74, 46], [7, 54, 24, 16, 55, 25], [34, 37, 13], // 23
[4, 151, 121, 5, 152, 122], [4, 75, 47, 14, 76, 48], [11, 54, 24, 14, 55, 25], [16, 45, 15, 14, 46, 16], // 24
[6, 147, 117, 4, 148, 118], [6, 73, 45, 14, 74, 46], [11, 54, 24, 16, 55, 25], [30, 46, 16, 2, 47, 17], // 25
[8, 132, 106, 4, 133, 107], [8, 75, 47, 13, 76, 48], [7, 54, 24, 22, 55, 25], [22, 45, 15, 13, 46, 16], // 26
[10, 142, 114, 2, 143, 115], [19, 74, 46, 4, 75, 47], [28, 50, 22, 6, 51, 23], [33, 46, 16, 4, 47, 17], // 27
[8, 152, 122, 4, 153, 123], [22, 73, 45, 3, 74, 46], [8, 53, 23, 26, 54, 24], [12, 45, 15, 28, 46, 16], // 28
[3, 147, 117, 10, 148, 118], [3, 73, 45, 23, 74, 46], [4, 54, 24, 31, 55, 25], [11, 45, 15, 31, 46, 16], // 29
[7, 146, 116, 7, 147, 117], [21, 73, 45, 7, 74, 46], [1, 53, 23, 37, 54, 24], [19, 45, 15, 26, 46, 16], // 30
[5, 145, 115, 10, 146, 116], [19, 75, 47, 10, 76, 48], [15, 54, 24, 25, 55, 25], [23, 45, 15, 25, 46, 16], // 31
[13, 145, 115, 3, 146, 116], [2, 74, 46, 29, 75, 47], [42, 54, 24, 1, 55, 25], [23, 45, 15, 28, 46, 16], // 32
[17, 145, 115], [10, 74, 46, 23, 75, 47], [10, 54, 24, 35, 55, 25], [19, 45, 15, 35, 46, 16], // 33
[17, 145, 115, 1, 146, 116], [14, 74, 46, 21, 75, 47], [29, 54, 24, 19, 55, 25], [11, 45, 15, 46, 46, 16], // 34
[13, 145, 115, 6, 146, 116], [14, 74, 46, 23, 75, 47], [44, 54, 24, 7, 55, 25], [59, 46, 16, 1, 47, 17], // 35
[12, 151, 121, 7, 152, 122], [12, 75, 47, 26, 76, 48], [39, 54, 24, 14, 55, 25], [22, 45, 15, 41, 46, 16], // 36
[6, 151, 121, 14, 152, 122], [6, 75, 47, 34, 76, 48], [46, 54, 24, 10, 55, 25], [2, 45, 15, 64, 46, 16], // 37
[17, 152, 122, 4, 153, 123], [29, 74, 46, 14, 75, 47], [49, 54, 24, 10, 55, 25], [24, 45, 15, 46, 46, 16], // 38
[4, 152, 122, 18, 153, 123], [13, 74, 46, 32, 75, 47], [48, 54, 24, 14, 55, 25], [42, 45, 15, 32, 46, 16], // 39
[20, 147, 117, 4, 148, 118], [40, 75, 47, 7, 76, 48], [43, 54, 24, 22, 55, 25], [10, 45, 15, 67, 46, 16], // 40
[19, 148, 118, 6, 149, 119], [18, 75, 47, 31, 76, 48], [34, 54, 24, 34, 55, 25], [20, 45, 15, 61, 46, 16]];

QRRSBlock.getRSBlocks = function (typeNumber, errorCorrectLevel) {
  var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);

  if (rsBlock == undefined) {
    throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);
  }

  var length = rsBlock.length / 3;
  var list = new Array();

  for (var i = 0; i < length; i++) {
    var count = rsBlock[i * 3 + 0];
    var totalCount = rsBlock[i * 3 + 1];
    var dataCount = rsBlock[i * 3 + 2];

    for (var j = 0; j < count; j++) {
      list.push(new QRRSBlock(totalCount, dataCount));
    }
  }

  return list;
};

QRRSBlock.getRsBlockTable = function (typeNumber, errorCorrectLevel) {
  switch (errorCorrectLevel) {
    case ErrorCorrectLevel.L:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];

    case ErrorCorrectLevel.M:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];

    case ErrorCorrectLevel.Q:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];

    case ErrorCorrectLevel.H:
      return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];

    default:
      return undefined;
  }
};

var RSBlock = QRRSBlock;

function QRBitBuffer() {
  this.buffer = new Array();
  this.length = 0;
}

QRBitBuffer.prototype = {
  get: function (index) {
    var bufIndex = Math.floor(index / 8);
    return (this.buffer[bufIndex] >>> 7 - index % 8 & 1) == 1;
  },
  put: function (num, length) {
    for (var i = 0; i < length; i++) {
      this.putBit((num >>> length - i - 1 & 1) == 1);
    }
  },
  getLengthInBits: function () {
    return this.length;
  },
  putBit: function (bit) {
    var bufIndex = Math.floor(this.length / 8);

    if (this.buffer.length <= bufIndex) {
      this.buffer.push(0);
    }

    if (bit) {
      this.buffer[bufIndex] |= 0x80 >>> this.length % 8;
    }

    this.length++;
  }
};
var BitBuffer = QRBitBuffer;

var QRMath = {
  glog: function (n) {
    if (n < 1) {
      throw new Error("glog(" + n + ")");
    }

    return QRMath.LOG_TABLE[n];
  },
  gexp: function (n) {
    while (n < 0) {
      n += 255;
    }

    while (n >= 256) {
      n -= 255;
    }

    return QRMath.EXP_TABLE[n];
  },
  EXP_TABLE: new Array(256),
  LOG_TABLE: new Array(256)
};

for (var i = 0; i < 8; i++) {
  QRMath.EXP_TABLE[i] = 1 << i;
}

for (var i = 8; i < 256; i++) {
  QRMath.EXP_TABLE[i] = QRMath.EXP_TABLE[i - 4] ^ QRMath.EXP_TABLE[i - 5] ^ QRMath.EXP_TABLE[i - 6] ^ QRMath.EXP_TABLE[i - 8];
}

for (var i = 0; i < 255; i++) {
  QRMath.LOG_TABLE[QRMath.EXP_TABLE[i]] = i;
}

var math = QRMath;

function QRPolynomial(num, shift) {
  if (num.length == undefined) {
    throw new Error(num.length + "/" + shift);
  }

  var offset = 0;

  while (offset < num.length && num[offset] == 0) {
    offset++;
  }

  this.num = new Array(num.length - offset + shift);

  for (var i = 0; i < num.length - offset; i++) {
    this.num[i] = num[i + offset];
  }
}

QRPolynomial.prototype = {
  get: function (index) {
    return this.num[index];
  },
  getLength: function () {
    return this.num.length;
  },
  multiply: function (e) {
    var num = new Array(this.getLength() + e.getLength() - 1);

    for (var i = 0; i < this.getLength(); i++) {
      for (var j = 0; j < e.getLength(); j++) {
        num[i + j] ^= math.gexp(math.glog(this.get(i)) + math.glog(e.get(j)));
      }
    }

    return new QRPolynomial(num, 0);
  },
  mod: function (e) {
    if (this.getLength() - e.getLength() < 0) {
      return this;
    }

    var ratio = math.glog(this.get(0)) - math.glog(e.get(0));
    var num = new Array(this.getLength());

    for (var i = 0; i < this.getLength(); i++) {
      num[i] = this.get(i);
    }

    for (var i = 0; i < e.getLength(); i++) {
      num[i] ^= math.gexp(math.glog(e.get(i)) + ratio);
    } // recursive call


    return new QRPolynomial(num, 0).mod(e);
  }
};
var Polynomial = QRPolynomial;

var QRMaskPattern = {
  PATTERN000: 0,
  PATTERN001: 1,
  PATTERN010: 2,
  PATTERN011: 3,
  PATTERN100: 4,
  PATTERN101: 5,
  PATTERN110: 6,
  PATTERN111: 7
};
var QRUtil = {
  PATTERN_POSITION_TABLE: [[], [6, 18], [6, 22], [6, 26], [6, 30], [6, 34], [6, 22, 38], [6, 24, 42], [6, 26, 46], [6, 28, 50], [6, 30, 54], [6, 32, 58], [6, 34, 62], [6, 26, 46, 66], [6, 26, 48, 70], [6, 26, 50, 74], [6, 30, 54, 78], [6, 30, 56, 82], [6, 30, 58, 86], [6, 34, 62, 90], [6, 28, 50, 72, 94], [6, 26, 50, 74, 98], [6, 30, 54, 78, 102], [6, 28, 54, 80, 106], [6, 32, 58, 84, 110], [6, 30, 58, 86, 114], [6, 34, 62, 90, 118], [6, 26, 50, 74, 98, 122], [6, 30, 54, 78, 102, 126], [6, 26, 52, 78, 104, 130], [6, 30, 56, 82, 108, 134], [6, 34, 60, 86, 112, 138], [6, 30, 58, 86, 114, 142], [6, 34, 62, 90, 118, 146], [6, 30, 54, 78, 102, 126, 150], [6, 24, 50, 76, 102, 128, 154], [6, 28, 54, 80, 106, 132, 158], [6, 32, 58, 84, 110, 136, 162], [6, 26, 54, 82, 110, 138, 166], [6, 30, 58, 86, 114, 142, 170]],
  G15: 1 << 10 | 1 << 8 | 1 << 5 | 1 << 4 | 1 << 2 | 1 << 1 | 1 << 0,
  G18: 1 << 12 | 1 << 11 | 1 << 10 | 1 << 9 | 1 << 8 | 1 << 5 | 1 << 2 | 1 << 0,
  G15_MASK: 1 << 14 | 1 << 12 | 1 << 10 | 1 << 4 | 1 << 1,
  getBCHTypeInfo: function (data) {
    var d = data << 10;

    while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15) >= 0) {
      d ^= QRUtil.G15 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G15);
    }

    return (data << 10 | d) ^ QRUtil.G15_MASK;
  },
  getBCHTypeNumber: function (data) {
    var d = data << 12;

    while (QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18) >= 0) {
      d ^= QRUtil.G18 << QRUtil.getBCHDigit(d) - QRUtil.getBCHDigit(QRUtil.G18);
    }

    return data << 12 | d;
  },
  getBCHDigit: function (data) {
    var digit = 0;

    while (data != 0) {
      digit++;
      data >>>= 1;
    }

    return digit;
  },
  getPatternPosition: function (typeNumber) {
    return QRUtil.PATTERN_POSITION_TABLE[typeNumber - 1];
  },
  getMask: function (maskPattern, i, j) {
    switch (maskPattern) {
      case QRMaskPattern.PATTERN000:
        return (i + j) % 2 == 0;

      case QRMaskPattern.PATTERN001:
        return i % 2 == 0;

      case QRMaskPattern.PATTERN010:
        return j % 3 == 0;

      case QRMaskPattern.PATTERN011:
        return (i + j) % 3 == 0;

      case QRMaskPattern.PATTERN100:
        return (Math.floor(i / 2) + Math.floor(j / 3)) % 2 == 0;

      case QRMaskPattern.PATTERN101:
        return i * j % 2 + i * j % 3 == 0;

      case QRMaskPattern.PATTERN110:
        return (i * j % 2 + i * j % 3) % 2 == 0;

      case QRMaskPattern.PATTERN111:
        return (i * j % 3 + (i + j) % 2) % 2 == 0;

      default:
        throw new Error("bad maskPattern:" + maskPattern);
    }
  },
  getErrorCorrectPolynomial: function (errorCorrectLength) {
    var a = new Polynomial([1], 0);

    for (var i = 0; i < errorCorrectLength; i++) {
      a = a.multiply(new Polynomial([1, math.gexp(i)], 0));
    }

    return a;
  },
  getLengthInBits: function (mode$1, type) {
    if (1 <= type && type < 10) {
      // 1 - 9
      switch (mode$1) {
        case mode.MODE_NUMBER:
          return 10;

        case mode.MODE_ALPHA_NUM:
          return 9;

        case mode.MODE_8BIT_BYTE:
          return 8;

        case mode.MODE_KANJI:
          return 8;

        default:
          throw new Error("mode:" + mode$1);
      }
    } else if (type < 27) {
      // 10 - 26
      switch (mode$1) {
        case mode.MODE_NUMBER:
          return 12;

        case mode.MODE_ALPHA_NUM:
          return 11;

        case mode.MODE_8BIT_BYTE:
          return 16;

        case mode.MODE_KANJI:
          return 10;

        default:
          throw new Error("mode:" + mode$1);
      }
    } else if (type < 41) {
      // 27 - 40
      switch (mode$1) {
        case mode.MODE_NUMBER:
          return 14;

        case mode.MODE_ALPHA_NUM:
          return 13;

        case mode.MODE_8BIT_BYTE:
          return 16;

        case mode.MODE_KANJI:
          return 12;

        default:
          throw new Error("mode:" + mode$1);
      }
    } else {
      throw new Error("type:" + type);
    }
  },
  getLostPoint: function (qrCode) {
    var moduleCount = qrCode.getModuleCount();
    var lostPoint = 0; // LEVEL1

    for (var row = 0; row < moduleCount; row++) {
      for (var col = 0; col < moduleCount; col++) {
        var sameCount = 0;
        var dark = qrCode.isDark(row, col);

        for (var r = -1; r <= 1; r++) {
          if (row + r < 0 || moduleCount <= row + r) {
            continue;
          }

          for (var c = -1; c <= 1; c++) {
            if (col + c < 0 || moduleCount <= col + c) {
              continue;
            }

            if (r == 0 && c == 0) {
              continue;
            }

            if (dark == qrCode.isDark(row + r, col + c)) {
              sameCount++;
            }
          }
        }

        if (sameCount > 5) {
          lostPoint += 3 + sameCount - 5;
        }
      }
    } // LEVEL2


    for (var row = 0; row < moduleCount - 1; row++) {
      for (var col = 0; col < moduleCount - 1; col++) {
        var count = 0;
        if (qrCode.isDark(row, col)) count++;
        if (qrCode.isDark(row + 1, col)) count++;
        if (qrCode.isDark(row, col + 1)) count++;
        if (qrCode.isDark(row + 1, col + 1)) count++;

        if (count == 0 || count == 4) {
          lostPoint += 3;
        }
      }
    } // LEVEL3


    for (var row = 0; row < moduleCount; row++) {
      for (var col = 0; col < moduleCount - 6; col++) {
        if (qrCode.isDark(row, col) && !qrCode.isDark(row, col + 1) && qrCode.isDark(row, col + 2) && qrCode.isDark(row, col + 3) && qrCode.isDark(row, col + 4) && !qrCode.isDark(row, col + 5) && qrCode.isDark(row, col + 6)) {
          lostPoint += 40;
        }
      }
    }

    for (var col = 0; col < moduleCount; col++) {
      for (var row = 0; row < moduleCount - 6; row++) {
        if (qrCode.isDark(row, col) && !qrCode.isDark(row + 1, col) && qrCode.isDark(row + 2, col) && qrCode.isDark(row + 3, col) && qrCode.isDark(row + 4, col) && !qrCode.isDark(row + 5, col) && qrCode.isDark(row + 6, col)) {
          lostPoint += 40;
        }
      }
    } // LEVEL4


    var darkCount = 0;

    for (var col = 0; col < moduleCount; col++) {
      for (var row = 0; row < moduleCount; row++) {
        if (qrCode.isDark(row, col)) {
          darkCount++;
        }
      }
    }

    var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
    lostPoint += ratio * 10;
    return lostPoint;
  }
};
var util = QRUtil;

function QRCode(typeNumber, errorCorrectLevel) {
  this.typeNumber = typeNumber;
  this.errorCorrectLevel = errorCorrectLevel;
  this.modules = null;
  this.moduleCount = 0;
  this.dataCache = null;
  this.dataList = [];
} // for client side minification


var proto = QRCode.prototype;

proto.addData = function (data) {
  var newData = new _8BitByte(data);
  this.dataList.push(newData);
  this.dataCache = null;
};

proto.isDark = function (row, col) {
  if (row < 0 || this.moduleCount <= row || col < 0 || this.moduleCount <= col) {
    throw new Error(row + "," + col);
  }

  return this.modules[row][col];
};

proto.getModuleCount = function () {
  return this.moduleCount;
};

proto.make = function () {
  // Calculate automatically typeNumber if provided is < 1
  if (this.typeNumber < 1) {
    var typeNumber = 1;

    for (typeNumber = 1; typeNumber < 40; typeNumber++) {
      var rsBlocks = RSBlock.getRSBlocks(typeNumber, this.errorCorrectLevel);
      var buffer = new BitBuffer();
      var totalDataCount = 0;

      for (var i = 0; i < rsBlocks.length; i++) {
        totalDataCount += rsBlocks[i].dataCount;
      }

      for (var i = 0; i < this.dataList.length; i++) {
        var data = this.dataList[i];
        buffer.put(data.mode, 4);
        buffer.put(data.getLength(), util.getLengthInBits(data.mode, typeNumber));
        data.write(buffer);
      }

      if (buffer.getLengthInBits() <= totalDataCount * 8) break;
    }

    this.typeNumber = typeNumber;
  }

  this.makeImpl(false, this.getBestMaskPattern());
};

proto.makeImpl = function (test, maskPattern) {
  this.moduleCount = this.typeNumber * 4 + 17;
  this.modules = new Array(this.moduleCount);

  for (var row = 0; row < this.moduleCount; row++) {
    this.modules[row] = new Array(this.moduleCount);

    for (var col = 0; col < this.moduleCount; col++) {
      this.modules[row][col] = null; //(col + row) % 3;
    }
  }

  this.setupPositionProbePattern(0, 0);
  this.setupPositionProbePattern(this.moduleCount - 7, 0);
  this.setupPositionProbePattern(0, this.moduleCount - 7);
  this.setupPositionAdjustPattern();
  this.setupTimingPattern();
  this.setupTypeInfo(test, maskPattern);

  if (this.typeNumber >= 7) {
    this.setupTypeNumber(test);
  }

  if (this.dataCache == null) {
    this.dataCache = QRCode.createData(this.typeNumber, this.errorCorrectLevel, this.dataList);
  }

  this.mapData(this.dataCache, maskPattern);
};

proto.setupPositionProbePattern = function (row, col) {
  for (var r = -1; r <= 7; r++) {
    if (row + r <= -1 || this.moduleCount <= row + r) continue;

    for (var c = -1; c <= 7; c++) {
      if (col + c <= -1 || this.moduleCount <= col + c) continue;

      if (0 <= r && r <= 6 && (c == 0 || c == 6) || 0 <= c && c <= 6 && (r == 0 || r == 6) || 2 <= r && r <= 4 && 2 <= c && c <= 4) {
        this.modules[row + r][col + c] = true;
      } else {
        this.modules[row + r][col + c] = false;
      }
    }
  }
};

proto.getBestMaskPattern = function () {
  var minLostPoint = 0;
  var pattern = 0;

  for (var i = 0; i < 8; i++) {
    this.makeImpl(true, i);
    var lostPoint = util.getLostPoint(this);

    if (i == 0 || minLostPoint > lostPoint) {
      minLostPoint = lostPoint;
      pattern = i;
    }
  }

  return pattern;
};

proto.createMovieClip = function (target_mc, instance_name, depth) {
  var qr_mc = target_mc.createEmptyMovieClip(instance_name, depth);
  var cs = 1;
  this.make();

  for (var row = 0; row < this.modules.length; row++) {
    var y = row * cs;

    for (var col = 0; col < this.modules[row].length; col++) {
      var x = col * cs;
      var dark = this.modules[row][col];

      if (dark) {
        qr_mc.beginFill(0, 100);
        qr_mc.moveTo(x, y);
        qr_mc.lineTo(x + cs, y);
        qr_mc.lineTo(x + cs, y + cs);
        qr_mc.lineTo(x, y + cs);
        qr_mc.endFill();
      }
    }
  }

  return qr_mc;
};

proto.setupTimingPattern = function () {
  for (var r = 8; r < this.moduleCount - 8; r++) {
    if (this.modules[r][6] != null) {
      continue;
    }

    this.modules[r][6] = r % 2 == 0;
  }

  for (var c = 8; c < this.moduleCount - 8; c++) {
    if (this.modules[6][c] != null) {
      continue;
    }

    this.modules[6][c] = c % 2 == 0;
  }
};

proto.setupPositionAdjustPattern = function () {
  var pos = util.getPatternPosition(this.typeNumber);

  for (var i = 0; i < pos.length; i++) {
    for (var j = 0; j < pos.length; j++) {
      var row = pos[i];
      var col = pos[j];

      if (this.modules[row][col] != null) {
        continue;
      }

      for (var r = -2; r <= 2; r++) {
        for (var c = -2; c <= 2; c++) {
          if (r == -2 || r == 2 || c == -2 || c == 2 || r == 0 && c == 0) {
            this.modules[row + r][col + c] = true;
          } else {
            this.modules[row + r][col + c] = false;
          }
        }
      }
    }
  }
};

proto.setupTypeNumber = function (test) {
  var bits = util.getBCHTypeNumber(this.typeNumber);

  for (var i = 0; i < 18; i++) {
    var mod = !test && (bits >> i & 1) == 1;
    this.modules[Math.floor(i / 3)][i % 3 + this.moduleCount - 8 - 3] = mod;
  }

  for (var i = 0; i < 18; i++) {
    var mod = !test && (bits >> i & 1) == 1;
    this.modules[i % 3 + this.moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
  }
};

proto.setupTypeInfo = function (test, maskPattern) {
  var data = this.errorCorrectLevel << 3 | maskPattern;
  var bits = util.getBCHTypeInfo(data); // vertical		

  for (var i = 0; i < 15; i++) {
    var mod = !test && (bits >> i & 1) == 1;

    if (i < 6) {
      this.modules[i][8] = mod;
    } else if (i < 8) {
      this.modules[i + 1][8] = mod;
    } else {
      this.modules[this.moduleCount - 15 + i][8] = mod;
    }
  } // horizontal


  for (var i = 0; i < 15; i++) {
    var mod = !test && (bits >> i & 1) == 1;

    if (i < 8) {
      this.modules[8][this.moduleCount - i - 1] = mod;
    } else if (i < 9) {
      this.modules[8][15 - i - 1 + 1] = mod;
    } else {
      this.modules[8][15 - i - 1] = mod;
    }
  } // fixed module


  this.modules[this.moduleCount - 8][8] = !test;
};

proto.mapData = function (data, maskPattern) {
  var inc = -1;
  var row = this.moduleCount - 1;
  var bitIndex = 7;
  var byteIndex = 0;

  for (var col = this.moduleCount - 1; col > 0; col -= 2) {
    if (col == 6) col--;

    while (true) {
      for (var c = 0; c < 2; c++) {
        if (this.modules[row][col - c] == null) {
          var dark = false;

          if (byteIndex < data.length) {
            dark = (data[byteIndex] >>> bitIndex & 1) == 1;
          }

          var mask = util.getMask(maskPattern, row, col - c);

          if (mask) {
            dark = !dark;
          }

          this.modules[row][col - c] = dark;
          bitIndex--;

          if (bitIndex == -1) {
            byteIndex++;
            bitIndex = 7;
          }
        }
      }

      row += inc;

      if (row < 0 || this.moduleCount <= row) {
        row -= inc;
        inc = -inc;
        break;
      }
    }
  }
};

QRCode.PAD0 = 0xEC;
QRCode.PAD1 = 0x11;

QRCode.createData = function (typeNumber, errorCorrectLevel, dataList) {
  var rsBlocks = RSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
  var buffer = new BitBuffer();

  for (var i = 0; i < dataList.length; i++) {
    var data = dataList[i];
    buffer.put(data.mode, 4);
    buffer.put(data.getLength(), util.getLengthInBits(data.mode, typeNumber));
    data.write(buffer);
  } // calc num max data.


  var totalDataCount = 0;

  for (var i = 0; i < rsBlocks.length; i++) {
    totalDataCount += rsBlocks[i].dataCount;
  }

  if (buffer.getLengthInBits() > totalDataCount * 8) {
    throw new Error("code length overflow. (" + buffer.getLengthInBits() + ">" + totalDataCount * 8 + ")");
  } // end code


  if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) {
    buffer.put(0, 4);
  } // padding


  while (buffer.getLengthInBits() % 8 != 0) {
    buffer.putBit(false);
  } // padding


  while (true) {
    if (buffer.getLengthInBits() >= totalDataCount * 8) {
      break;
    }

    buffer.put(QRCode.PAD0, 8);

    if (buffer.getLengthInBits() >= totalDataCount * 8) {
      break;
    }

    buffer.put(QRCode.PAD1, 8);
  }

  return QRCode.createBytes(buffer, rsBlocks);
};

QRCode.createBytes = function (buffer, rsBlocks) {
  var offset = 0;
  var maxDcCount = 0;
  var maxEcCount = 0;
  var dcdata = new Array(rsBlocks.length);
  var ecdata = new Array(rsBlocks.length);

  for (var r = 0; r < rsBlocks.length; r++) {
    var dcCount = rsBlocks[r].dataCount;
    var ecCount = rsBlocks[r].totalCount - dcCount;
    maxDcCount = Math.max(maxDcCount, dcCount);
    maxEcCount = Math.max(maxEcCount, ecCount);
    dcdata[r] = new Array(dcCount);

    for (var i = 0; i < dcdata[r].length; i++) {
      dcdata[r][i] = 0xff & buffer.buffer[i + offset];
    }

    offset += dcCount;
    var rsPoly = util.getErrorCorrectPolynomial(ecCount);
    var rawPoly = new Polynomial(dcdata[r], rsPoly.getLength() - 1);
    var modPoly = rawPoly.mod(rsPoly);
    ecdata[r] = new Array(rsPoly.getLength() - 1);

    for (var i = 0; i < ecdata[r].length; i++) {
      var modIndex = i + modPoly.getLength() - ecdata[r].length;
      ecdata[r][i] = modIndex >= 0 ? modPoly.get(modIndex) : 0;
    }
  }

  var totalCodeCount = 0;

  for (var i = 0; i < rsBlocks.length; i++) {
    totalCodeCount += rsBlocks[i].totalCount;
  }

  var data = new Array(totalCodeCount);
  var index = 0;

  for (var i = 0; i < maxDcCount; i++) {
    for (var r = 0; r < rsBlocks.length; r++) {
      if (i < dcdata[r].length) {
        data[index++] = dcdata[r][i];
      }
    }
  }

  for (var i = 0; i < maxEcCount; i++) {
    for (var r = 0; r < rsBlocks.length; r++) {
      if (i < ecdata[r].length) {
        data[index++] = ecdata[r][i];
      }
    }
  }

  return data;
};

var QRCode_1 = QRCode;

/**
 * Encode UTF16 to UTF8.
 * See: http://jonisalonen.com/2012/from-utf-16-to-utf-8-in-javascript/
 * @param str {string}
 * @returns {string}
 */

function toUTF8String(str) {
  var utf8Str = '';

  for (var i = 0; i < str.length; i++) {
    var charCode = str.charCodeAt(i);

    if (charCode < 0x0080) {
      utf8Str += String.fromCharCode(charCode);
    } else if (charCode < 0x0800) {
      utf8Str += String.fromCharCode(0xc0 | charCode >> 6);
      utf8Str += String.fromCharCode(0x80 | charCode & 0x3f);
    } else if (charCode < 0xd800 || charCode >= 0xe000) {
      utf8Str += String.fromCharCode(0xe0 | charCode >> 12);
      utf8Str += String.fromCharCode(0x80 | charCode >> 6 & 0x3f);
      utf8Str += String.fromCharCode(0x80 | charCode & 0x3f);
    } else {
      // surrogate pair
      i++; // UTF-16 encodes 0x10000-0x10FFFF by
      // subtracting 0x10000 and splitting the
      // 20 bits of 0x0-0xFFFFF into two halves

      charCode = 0x10000 + ((charCode & 0x3ff) << 10 | str.charCodeAt(i) & 0x3ff);
      utf8Str += String.fromCharCode(0xf0 | charCode >> 18);
      utf8Str += String.fromCharCode(0x80 | charCode >> 12 & 0x3f);
      utf8Str += String.fromCharCode(0x80 | charCode >> 6 & 0x3f);
      utf8Str += String.fromCharCode(0x80 | charCode & 0x3f);
    }
  }

  return utf8Str;
}

function generatePath(modules) {
  var margin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  var ops = [];
  modules.forEach(function (row, y) {
    var start = null;
    row.forEach(function (cell, x) {
      if (!cell && start !== null) {
        // M0 0h7v1H0z injects the space with the move and drops the comma,
        // saving a char per operation
        ops.push("M".concat(start + margin, " ").concat(y + margin, "h").concat(x - start, "v1H").concat(start + margin, "z"));
        start = null;
        return;
      } // end of row, clean up or skip


      if (x === row.length - 1) {
        if (!cell) {
          // We would have closed the op above already so this can only mean
          // 2+ light modules in a row.
          return;
        }

        if (start === null) {
          // Just a single dark module.
          ops.push("M".concat(x + margin, ",").concat(y + margin, " h1v1H").concat(x + margin, "z"));
        } else {
          // Otherwise finish the current line.
          ops.push("M".concat(start + margin, ",").concat(y + margin, " h").concat(x + 1 - start, "v1H").concat(start + margin, "z"));
        }

        return;
      }

      if (cell && start === null) {
        start = x;
      }
    });
  });
  return ops.join('');
} // @vue/component


var QrcodeVue = {
  props: {
    value: {
      type: String,
      required: true,
      default: ''
    },
    className: {
      type: String,
      default: ''
    },
    size: {
      type: [Number, String],
      default: 100,
      validator: function validator(s) {
        return isNaN(Number(s)) !== true;
      }
    },
    level: {
      type: String,
      default: 'L',
      validator: function validator(l) {
        return ['L', 'Q', 'M', 'H'].indexOf(l) > -1;
      }
    },
    background: {
      type: String,
      default: '#fff'
    },
    foreground: {
      type: String,
      default: '#000'
    },
    renderAs: {
      type: String,
      required: false,
      default: 'canvas',
      validator: function validator(as) {
        return ['canvas', 'svg'].indexOf(as) > -1;
      }
    }
  },
  data: function data() {
    return {
      numCells: 0,
      fgPath: ''
    };
  },
  updated: function updated() {
    this.render();
  },
  mounted: function mounted() {
    this.render();
  },
  methods: {
    render: function render() {
      var value = this.value,
          size = this.size,
          level = this.level,
          background = this.background,
          foreground = this.foreground,
          renderAs = this.renderAs;

      var _size = size >>> 0; // size to number
      // We'll use type===-1 to force QRCode to automatically pick the best type


      var qrCode = new QRCode_1(-1, ErrorCorrectLevel[level]);
      qrCode.addData(toUTF8String(value));
      qrCode.make();
      var cells = qrCode.modules;
      var tileW = _size / cells.length;
      var tileH = _size / cells.length;
      var scale = window.devicePixelRatio || 1;

      if (renderAs === 'svg') {
        this.numCells = cells.length; // Drawing strategy: instead of a rect per module, we're going to create a
        // single path for the dark modules and layer that on top of a light rect,
        // for a total of 2 DOM nodes. We pay a bit more in string concat but that's
        // way faster than DOM ops.
        // For level 1, 441 nodes -> 2
        // For level 40, 31329 -> 2

        this.fgPath = generatePath(cells);
      } else {
        var canvas = this.$refs['qrcode-vue'];
        var ctx = canvas.getContext('2d');
        canvas.height = canvas.width = _size * scale;
        ctx.scale(scale, scale);
        cells.forEach(function (row, rdx) {
          row.forEach(function (cell, cdx) {
            ctx.fillStyle = cell ? foreground : background;
            var w = Math.ceil((cdx + 1) * tileW) - Math.floor(cdx * tileW);
            var h = Math.ceil((rdx + 1) * tileH) - Math.floor(rdx * tileH);
            ctx.fillRect(Math.round(cdx * tileW), Math.round(rdx * tileH), w, h);
          });
        });
      }
    }
  },
  render: function render(createElement) {
    var className = this.className,
        value = this.value,
        level = this.level,
        background = this.background,
        foreground = this.foreground,
        size = this.size,
        renderAs = this.renderAs,
        numCells = this.numCells,
        fgPath = this.fgPath;
    return createElement('div', {
      class: this.class || className,
      attrs: {
        value: value,
        level: level,
        background: background,
        foreground: foreground
      }
    }, [renderAs === 'svg' ? createElement('svg', {
      attrs: {
        height: size,
        width: size,
        shapeRendering: 'crispEdges',
        viewBox: "0 0 ".concat(numCells, " ").concat(numCells)
      },
      style: {
        width: size + 'px',
        height: size + 'px'
      }
    }, [createElement('path', {
      attrs: {
        fill: background,
        d: "M0,0 h".concat(numCells, "v").concat(numCells, "H0z")
      }
    }), createElement('path', {
      attrs: {
        fill: foreground,
        d: fgPath
      }
    })]) : createElement('canvas', {
      attrs: {
        height: size,
        width: size
      },
      style: {
        width: size + 'px',
        height: size + 'px'
      },
      ref: 'qrcode-vue'
    }, [])]);
  }
};

export default QrcodeVue;