text: /* jQuery.qrcode 0.12.0 - http://larsjung.de/jquery-qrcode/ - uses //github.com/kazuhikoarase/qrcode-generator (MIT) */
  (function (qrcode) {
      'use strict';
  
      var $ = jQuery;
  
      // Wrapper for the original QR code generator.
      function QRCode(text, level, version, quiet) {
  
          var qr = qrcode(version, level);
          qr.addData(text);
          qr.make();
  
          quiet = quiet || 0;
  
          var qrModuleCount = qr.getModuleCount();
          var quietModuleCount = qr.getModuleCount() + 2 * quiet;
  
          function isDark(row, col) {
  
              row -= quiet;
              col -= quiet;
  
              if (row < 0 || row >= qrModuleCount || col < 0 || col >= qrModuleCount) {
                  return false;
              }
  
              return qr.isDark(row, col);
          }
  
          var addBlank = function (l, t, r, b) {
  
              var prevIsDark = this.isDark;
              var moduleSize = 1 / quietModuleCount;
  
              this.isDark = function (row, col) {
  
                  var ml = col * moduleSize;
                  var mt = row * moduleSize;
                  var mr = ml + moduleSize;
                  var mb = mt + moduleSize;
  
                  return prevIsDark(row, col) && (l > mr || ml > r || t > mb || mt > b);
              };
          };
  
          this.text = text;
          this.level = level;
          this.version = version;
          this.moduleCount = quietModuleCount;
          this.isDark = isDark;
          this.addBlank = addBlank;
      }
  
      // Check if canvas is available in the browser (as Modernizr does)
      var hasCanvas = (function () {
  
          var elem = document.createElement('canvas');
          return Boolean(elem.getContext && elem.getContext('2d'));
      }());
      var hasArcTo = Object.prototype.toString.call(window.opera) !== '[object Opera]';
  
      // Returns a minimal QR code for the given text starting with version `minVersion`.
      // Returns `undefined` if `text` is too long to be encoded in `maxVersion`.
      function createQRCode(text, level, minVersion, maxVersion, quiet) {
  
          minVersion = Math.max(1, minVersion || 1);
          maxVersion = Math.min(40, maxVersion || 40);
          for (var version = minVersion; version <= maxVersion; version += 1) {
              try {
                  return new QRCode(text, level, version, quiet);
              } catch (err) {}
          }
      }
  
      function drawBackgroundLabel(qr, context, settings) {
  
          var size = settings.size;
          var font = 'bold ' + (settings.mSize * size) + 'px ' + settings.fontname;
          var ctx = $('<canvas/>')[0].getContext('2d');
  
          ctx.font = font;
  
          var w = ctx.measureText(settings.label).width;
          var sh = settings.mSize;
          var sw = w / size;
          var sl = (1 - sw) * settings.mPosX;
          var st = (1 - sh) * settings.mPosY;
          var sr = sl + sw;
          var sb = st + sh;
          var pad = 0.01;
  
          if (settings.mode === 1) {
              // Strip
              qr.addBlank(0, st - pad, size, sb + pad);
          } else {
              // Box
              qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
          }
  
          context.fillStyle = settings.fontcolor;
          context.font = font;
          context.fillText(settings.label, sl * size, st * size + 0.75 * settings.mSize * size);
      }
  
      function drawBackgroundImage(qr, context, settings) {
  
          var size = settings.size;
          var w = settings.image.naturalWidth || 1;
          var h = settings.image.naturalHeight || 1;
          var sh = settings.mSize;
          var sw = sh * w / h;
          var sl = (1 - sw) * settings.mPosX;
          var st = (1 - sh) * settings.mPosY;
          var sr = sl + sw;
          var sb = st + sh;
          var pad = 0.01;
  
          if (settings.mode === 3) {
              // Strip
              qr.addBlank(0, st - pad, size, sb + pad);
          } else {
              // Box
              qr.addBlank(sl - pad, st - pad, sr + pad, sb + pad);
          }
  
          context.drawImage(settings.image, sl * size, st * size, sw * size, sh * size);
      }
  
      function drawBackground(qr, context, settings) {
  
          if ($(settings.background).is('img')) {
              context.drawImage(settings.background, 0, 0, settings.size, settings.size);
          } else if (settings.background) {
              context.fillStyle = settings.background;
              context.fillRect(settings.left, settings.top, settings.size, settings.size);
          }
  
          var mode = settings.mode;
          if (mode === 1 || mode === 2) {
              drawBackgroundLabel(qr, context, settings);
          } else if (mode === 3 || mode === 4) {
              drawBackgroundImage(qr, context, settings);
          }
      }
  
      function drawModuleDefault(qr, context, settings, left, top, width, row, col) {
  
          if (qr.isDark(row, col)) {
              context.rect(left, top, width, width);
          }
      }
  
      function drawModuleRoundedDark(ctx, l, t, r, b, rad, nw, ne, se, sw) {
  
          if (nw) {
              ctx.moveTo(l + rad, t);
          } else {
              ctx.moveTo(l, t);
          }
  
          if (ne) {
              ctx.lineTo(r - rad, t);
              ctx.arcTo(r, t, r, b, rad);
          } else {
              ctx.lineTo(r, t);
          }
  
          if (se) {
              ctx.lineTo(r, b - rad);
              ctx.arcTo(r, b, l, b, rad);
          } else {
              ctx.lineTo(r, b);
          }
  
          if (sw) {
              ctx.lineTo(l + rad, b);
              ctx.arcTo(l, b, l, t, rad);
          } else {
              ctx.lineTo(l, b);
          }
  
          if (nw) {
              ctx.lineTo(l, t + rad);
              ctx.arcTo(l, t, r, t, rad);
          } else {
              ctx.lineTo(l, t);
          }
      }
  
      function drawModuleRoundendLight(ctx, l, t, r, b, rad, nw, ne, se, sw) {
  
          if (nw) {
              ctx.moveTo(l + rad, t);
              ctx.lineTo(l, t);
              ctx.lineTo(l, t + rad);
              ctx.arcTo(l, t, l + rad, t, rad);
          }
  
          if (ne) {
              ctx.moveTo(r - rad, t);
              ctx.lineTo(r, t);
              ctx.lineTo(r, t + rad);
              ctx.arcTo(r, t, r - rad, t, rad);
          }
  
          if (se) {
              ctx.moveTo(r - rad, b);
              ctx.lineTo(r, b);
              ctx.lineTo(r, b - rad);
              ctx.arcTo(r, b, r - rad, b, rad);
          }
  
          if (sw) {
              ctx.moveTo(l + rad, b);
              ctx.lineTo(l, b);
              ctx.lineTo(l, b - rad);
              ctx.arcTo(l, b, l + rad, b, rad);
          }
      }
  
      function drawModuleRounded(qr, context, settings, left, top, width, row, col) {
  
          var isDark = qr.isDark;
          var right = left + width;
          var bottom = top + width;
          var radius = settings.radius * width;
          var rowT = row - 1;
          var rowB = row + 1;
          var colL = col - 1;
          var colR = col + 1;
          var center = isDark(row, col);
          var northwest = isDark(rowT, colL);
          var north = isDark(rowT, col);
          var northeast = isDark(rowT, colR);
          var east = isDark(row, colR);
          var southeast = isDark(rowB, colR);
          var south = isDark(rowB, col);
          var southwest = isDark(rowB, colL);
          var west = isDark(row, colL);
  
          if (center) {
              drawModuleRoundedDark(context, left, top, right, bottom, radius, !north && !west, !north && !east, !south && !east, !south && !west);
          } else {
              drawModuleRoundendLight(context, left, top, right, bottom, radius, north && west && northwest, north && east && northeast, south && east && southeast, south && west && southwest);
          }
      }
  
      function drawModules(qr, context, settings) {
  
          var moduleCount = qr.moduleCount;
          var moduleSize = settings.size / moduleCount;
          var fn = drawModuleDefault;
          var row;
          var col;
  
          if (hasArcTo && settings.radius > 0 && settings.radius <= 0.5) {
              fn = drawModuleRounded;
          }
  
          context.beginPath();
          for (row = 0; row < moduleCount; row += 1) {
              for (col = 0; col < moduleCount; col += 1) {
  
                  var l = settings.left + col * moduleSize;
                  var t = settings.top + row * moduleSize;
                  var w = moduleSize;
  
                  fn(qr, context, settings, l, t, w, row, col);
              }
          }
          if ($(settings.fill).is('img')) {
              context.strokeStyle = 'rgba(0,0,0,0.5)';
              context.lineWidth = 2;
              context.stroke();
              var prev = context.globalCompositeOperation;
              context.globalCompositeOperation = 'destination-out';
              context.fill();
              context.globalCompositeOperation = prev;
  
              context.clip();
              context.drawImage(settings.fill, 0, 0, settings.size, settings.size);
              context.restore();
          } else {
              context.fillStyle = settings.fill;
              context.fill();
          }
      }
  
      // Draws QR code to the given `canvas` and returns it.
      function drawOnCanvas(canvas, settings) {
  
          var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
          if (!qr) {
              return null;
          }
  
          var $canvas = $(canvas).data('qrcode', qr);
          var context = $canvas[0].getContext('2d');
  
          drawBackground(qr, context, settings);
          drawModules(qr, context, settings);
  
          return $canvas;
      }
  
      // Returns a `canvas` element representing the QR code for the given settings.
      function createCanvas(settings) {
  
          var $canvas = $('<canvas/>').attr('width', settings.size).attr('height', settings.size);
          return drawOnCanvas($canvas, settings);
      }
  
      // Returns an `image` element representing the QR code for the given settings.
      function createImage(settings) {
          $('#qr').prop('src', createCanvas(settings)[0].toDataURL('image/png'));
      }
  
      // Returns a `div` element representing the QR code for the given settings.
      function createDiv(settings) {
  
          var qr = createQRCode(settings.text, settings.ecLevel, settings.minVersion, settings.maxVersion, settings.quiet);
          if (!qr) {
              return null;
          }
  
          // some shortcuts to improve compression
          var settings_size = settings.size;
          var settings_bgColor = settings.background;
          var math_floor = Math.floor;
  
          var moduleCount = qr.moduleCount;
          var moduleSize = math_floor(settings_size / moduleCount);
          var offset = math_floor(0.5 * (settings_size - moduleSize * moduleCount));
  
          var row;
          var col;
  
          var containerCSS = {
              position: 'relative',
              left: 0,
              top: 0,
              padding: 0,
              margin: 0,
              width: settings_size,
              height: settings_size
          };
          var darkCSS = {
              position: 'absolute',
              padding: 0,
              margin: 0,
              width: moduleSize,
              height: moduleSize,
              'background-color': settings.fill
          };
  
          var $div = $('<div/>').data('qrcode', qr).css(containerCSS);
  
          if (settings_bgColor) {
              $div.css('background-color', settings_bgColor);
          }
  
          for (row = 0; row < moduleCount; row += 1) {
              for (col = 0; col < moduleCount; col += 1) {
                  if (qr.isDark(row, col)) {
                      $('<div/>')
                          .css(darkCSS)
                          .css({
                          left: offset + col * moduleSize,
                          top: offset + row * moduleSize
                      })
                          .appendTo($div);
                  }
              }
          }
  
          return $div;
      }
  
      function createHTML(settings) {
  
          if (hasCanvas && settings.render === 'canvas') {
              return createCanvas(settings);
          } else if (hasCanvas && settings.render === 'image') {
              return createImage(settings);
          }
  
          return createDiv(settings);
      }
  
      // Plugin
      // ======
  
      // Default settings
      // ----------------
      var defaults = {
  
          // render method: `'canvas'`, `'image'` or `'div'`
          render: 'image',
  
          // version range somewhere in 1 .. 40
          minVersion: 1,
          maxVersion: 40,
  
          // error correction level: `'L'`, `'M'`, `'Q'` or `'H'`
          ecLevel: 'L',
  
          // offset in pixel if drawn onto existing canvas
          left: 0,
          top: 0,
  
          // size in pixel
          size: 150,
  
          // code color or image element
          fill: '#000',
  
          // background color or image element, `null` for transparent background
          background: null,
  
          // content
          text: '',
  
          // corner radius relative to module width: 0.0 .. 0.5
          radius: 0.5,
  
          // quiet zone in modules
          quiet: 0,
  
          // modes
          // 0: normal
          // 1: label strip
          // 2: label box
          // 3: image strip
          // 4: image box
          mode: 0,
  
          mSize: 0.1,
          mPosX: 0.5,
          mPosY: 0.5,
  
          label: 'no label',
          fontname: 'sans',
          fontcolor: '#000',
  
          image: null
      };
  
      // Register the plugin
      // -------------------
      $.fn.qrcode = function (options) {
  
          var settings = $.extend({}, defaults, options);
  
          return this.each(function () {
  
              if (this.nodeName.toLowerCase() === 'canvas') {
                  drawOnCanvas(this, settings);
              } else {
                  $(this).append(createHTML(settings));
              }
          });
      };
  }(function () {
  
      // `qrcode` is the single public function defined by the `QR Code Generator`
      //---------------------------------------------------------------------
      //
      // QR Code Generator for JavaScript
      //
      // Copyright (c) 2009 Kazuhiko Arase
      //
      // URL: http://www.d-project.com/
      //
      // Licensed under the MIT license:
      //  http://www.opensource.org/licenses/mit-license.php
      //
      // The word 'QR Code' is registered trademark of
      // DENSO WAVE INCORPORATED
      //  http://www.denso-wave.com/qrcode/faqpatent-e.html
      //
      //---------------------------------------------------------------------
  
      var qrcode = function() {
  
          //---------------------------------------------------------------------
          // qrcode
          //---------------------------------------------------------------------
  
          /**
         * qrcode
         * @param typeNumber 1 to 40
         * @param errorCorrectLevel 'L','M','Q','H'
         */
          var qrcode = function(typeNumber, errorCorrectLevel) {
  
              var PAD0 = 0xEC;
              var PAD1 = 0x11;
  
              var _typeNumber = typeNumber;
              var _errorCorrectLevel = QRErrorCorrectLevel[errorCorrectLevel];
              var _modules = null;
              var _moduleCount = 0;
              var _dataCache = null;
              var _dataList = new Array();
  
              var _this = {};
  
              var makeImpl = function(test, maskPattern) {
  
                  _moduleCount = _typeNumber * 4 + 17;
                  _modules = function(moduleCount) {
                      var modules = new Array(moduleCount);
                      for (var row = 0; row < moduleCount; row += 1) {
                          modules[row] = new Array(moduleCount);
                          for (var col = 0; col < moduleCount; col += 1) {
                              modules[row][col] = null;
                          }
                      }
                      return modules;
                  }(_moduleCount);
  
                  setupPositionProbePattern(0, 0);
                  setupPositionProbePattern(_moduleCount - 7, 0);
                  setupPositionProbePattern(0, _moduleCount - 7);
                  setupPositionAdjustPattern();
                  setupTimingPattern();
                  setupTypeInfo(test, maskPattern);
  
                  if (_typeNumber >= 7) {
                      setupTypeNumber(test);
                  }
  
                  if (_dataCache == null) {
                      _dataCache = createData(_typeNumber, _errorCorrectLevel, _dataList);
                  }
  
                  mapData(_dataCache, maskPattern);
              };
  
              var setupPositionProbePattern = function(row, col) {
  
                  for (var r = -1; r <= 7; r += 1) {
  
                      if (row + r <= -1 || _moduleCount <= row + r) continue;
  
                      for (var c = -1; c <= 7; c += 1) {
  
                          if (col + c <= -1 || _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) ) {
                              _modules[row + r][col + c] = true;
                          } else {
                              _modules[row + r][col + c] = false;
                          }
                      }
                  }
              };
  
              var getBestMaskPattern = function() {
  
                  var minLostPoint = 0;
                  var pattern = 0;
  
                  for (var i = 0; i < 8; i += 1) {
  
                      makeImpl(true, i);
  
                      var lostPoint = QRUtil.getLostPoint(_this);
  
                      if (i == 0 || minLostPoint > lostPoint) {
                          minLostPoint = lostPoint;
                          pattern = i;
                      }
                  }
  
                  return pattern;
              };
  
              var setupTimingPattern = function() {
  
                  for (var r = 8; r < _moduleCount - 8; r += 1) {
                      if (_modules[r][6] != null) {
                          continue;
                      }
                      _modules[r][6] = (r % 2 == 0);
                  }
  
                  for (var c = 8; c < _moduleCount - 8; c += 1) {
                      if (_modules[6][c] != null) {
                          continue;
                      }
                      _modules[6][c] = (c % 2 == 0);
                  }
              };
  
              var setupPositionAdjustPattern = function() {
  
                  var pos = QRUtil.getPatternPosition(_typeNumber);
  
                  for (var i = 0; i < pos.length; i += 1) {
  
                      for (var j = 0; j < pos.length; j += 1) {
  
                          var row = pos[i];
                          var col = pos[j];
  
                          if (_modules[row][col] != null) {
                              continue;
                          }
  
                          for (var r = -2; r <= 2; r += 1) {
  
                              for (var c = -2; c <= 2; c += 1) {
  
                                  if (r == -2 || r == 2 || c == -2 || c == 2
                                      || (r == 0 && c == 0) ) {
                                      _modules[row + r][col + c] = true;
                                  } else {
                                      _modules[row + r][col + c] = false;
                                  }
                              }
                          }
                      }
                  }
              };
  
              var setupTypeNumber = function(test) {
  
                  var bits = QRUtil.getBCHTypeNumber(_typeNumber);
  
                  for (var i = 0; i < 18; i += 1) {
                      var mod = (!test && ( (bits >> i) & 1) == 1);
                      _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod;
                  }
  
                  for (var i = 0; i < 18; i += 1) {
                      var mod = (!test && ( (bits >> i) & 1) == 1);
                      _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod;
                  }
              };
  
              var setupTypeInfo = function(test, maskPattern) {
  
                  var data = (_errorCorrectLevel << 3) | maskPattern;
                  var bits = QRUtil.getBCHTypeInfo(data);
  
                  // vertical
                  for (var i = 0; i < 15; i += 1) {
  
                      var mod = (!test && ( (bits >> i) & 1) == 1);
  
                      if (i < 6) {
                          _modules[i][8] = mod;
                      } else if (i < 8) {
                          _modules[i + 1][8] = mod;
                      } else {
                          _modules[_moduleCount - 15 + i][8] = mod;
                      }
                  }
  
                  // horizontal
                  for (var i = 0; i < 15; i += 1) {
  
                      var mod = (!test && ( (bits >> i) & 1) == 1);
  
                      if (i < 8) {
                          _modules[8][_moduleCount - i - 1] = mod;
                      } else if (i < 9) {
                          _modules[8][15 - i - 1 + 1] = mod;
                      } else {
                          _modules[8][15 - i - 1] = mod;
                      }
                  }
  
                  // fixed module
                  _modules[_moduleCount - 8][8] = (!test);
              };
  
              var mapData = function(data, maskPattern) {
  
                  var inc = -1;
                  var row = _moduleCount - 1;
                  var bitIndex = 7;
                  var byteIndex = 0;
                  var maskFunc = QRUtil.getMaskFunction(maskPattern);
  
                  for (var col = _moduleCount - 1; col > 0; col -= 2) {
  
                      if (col == 6) col -= 1;
  
                      while (true) {
  
                          for (var c = 0; c < 2; c += 1) {
  
                              if (_modules[row][col - c] == null) {
  
                                  var dark = false;
  
                                  if (byteIndex < data.length) {
                                      dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1);
                                  }
  
                                  var mask = maskFunc(row, col - c);
  
                                  if (mask) {
                                      dark = !dark;
                                  }
  
                                  _modules[row][col - c] = dark;
                                  bitIndex -= 1;
  
                                  if (bitIndex == -1) {
                                      byteIndex += 1;
                                      bitIndex = 7;
                                  }
                              }
                          }
  
                          row += inc;
  
                          if (row < 0 || _moduleCount <= row) {
                              row -= inc;
                              inc = -inc;
                              break;
                          }
                      }
                  }
              };
  
              var 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 += 1) {
  
                      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 += 1) {
                          dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset];
                      }
                      offset += dcCount;
  
                      var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount);
                      var rawPoly = qrPolynomial(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 += 1) {
                          var modIndex = i + modPoly.getLength() - ecdata[r].length;
                          ecdata[r][i] = (modIndex >= 0)? modPoly.getAt(modIndex) : 0;
                      }
                  }
  
                  var totalCodeCount = 0;
                  for (var i = 0; i < rsBlocks.length; i += 1) {
                      totalCodeCount += rsBlocks[i].totalCount;
                  }
  
                  var data = new Array(totalCodeCount);
                  var index = 0;
  
                  for (var i = 0; i < maxDcCount; i += 1) {
                      for (var r = 0; r < rsBlocks.length; r += 1) {
                          if (i < dcdata[r].length) {
                              data[index] = dcdata[r][i];
                              index += 1;
                          }
                      }
                  }
  
                  for (var i = 0; i < maxEcCount; i += 1) {
                      for (var r = 0; r < rsBlocks.length; r += 1) {
                          if (i < ecdata[r].length) {
                              data[index] = ecdata[r][i];
                              index += 1;
                          }
                      }
                  }
  
                  return data;
              };
  
              var createData = function(typeNumber, errorCorrectLevel, dataList) {
  
                  var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectLevel);
  
                  var buffer = qrBitBuffer();
  
                  for (var i = 0; i < dataList.length; i += 1) {
                      var data = dataList[i];
                      buffer.put(data.getMode(), 4);
                      buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) );
                      data.write(buffer);
                  }
  
                  // calc num max data.
                  var totalDataCount = 0;
                  for (var i = 0; i < rsBlocks.length; i += 1) {
                      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(PAD0, 8);
  
                      if (buffer.getLengthInBits() >= totalDataCount * 8) {
                          break;
                      }
                      buffer.put(PAD1, 8);
                  }
  
                  return createBytes(buffer, rsBlocks);
              };
  
              _this.addData = function(data) {
                  var newData = qr8BitByte(data);
                  _dataList.push(newData);
                  _dataCache = null;
              };
  
              _this.isDark = function(row, col) {
                  if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) {
                      throw new Error(row + ',' + col);
                  }
                  return _modules[row][col];
              };
  
              _this.getModuleCount = function() {
                  return _moduleCount;
              };
  
              _this.make = function() {
                  makeImpl(false, getBestMaskPattern() );
              };
  
              _this.createTableTag = function(cellSize, margin) {
  
                  cellSize = cellSize || 2;
                  margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
  
                  var qrHtml = '';
  
                  qrHtml += '<table style="';
                  qrHtml += ' border-width: 0px; border-style: none;';
                  qrHtml += ' border-collapse: collapse;';
                  qrHtml += ' padding: 0px; margin: ' + margin + 'px;';
                  qrHtml += '">';
                  qrHtml += '<tbody>';
  
                  for (var r = 0; r < _this.getModuleCount(); r += 1) {
  
                      qrHtml += '<tr>';
  
                      for (var c = 0; c < _this.getModuleCount(); c += 1) {
                          qrHtml += '<td style="';
                          qrHtml += ' border-width: 0px; border-style: none;';
                          qrHtml += ' border-collapse: collapse;';
                          qrHtml += ' padding: 0px; margin: 0px;';
                          qrHtml += ' width: ' + cellSize + 'px;';
                          qrHtml += ' height: ' + cellSize + 'px;';
                          qrHtml += ' background-color: ';
                          qrHtml += _this.isDark(r, c)? '#000000' : '#ffffff';
                          qrHtml += ';';
                          qrHtml += '"/>';
                      }
  
                      qrHtml += '</tr>';
                  }
  
                  qrHtml += '</tbody>';
                  qrHtml += '</table>';
  
                  return qrHtml;
              };
  
              _this.createImgTag = function(cellSize, margin) {
  
                  cellSize = cellSize || 2;
                  margin = (typeof margin == 'undefined')? cellSize * 4 : margin;
  
                  var size = _this.getModuleCount() * cellSize + margin * 2;
                  var min = margin;
                  var max = size - margin;
  
                  return createImgTag(size, size, function(x, y) {
                      if (min <= x && x < max && min <= y && y < max) {
                          var c = Math.floor( (x - min) / cellSize);
                          var r = Math.floor( (y - min) / cellSize);
                          return _this.isDark(r, c)? 0 : 1;
                      } else {
                          return 1;
                      }
                  } );
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // qrcode.stringToBytes
          //---------------------------------------------------------------------
  
          qrcode.stringToBytes = function(s) {
              var bytes = new Array();
              for (var i = 0; i < s.length; i += 1) {
                  var c = s.charCodeAt(i);
                  bytes.push(c & 0xff);
              }
              return bytes;
          };
  
          //---------------------------------------------------------------------
          // qrcode.createStringToBytes
          //---------------------------------------------------------------------
  
          /**
         * @param unicodeData base64 string of byte array.
         * [16bit Unicode],[16bit Bytes], ...
         * @param numChars
         */
          qrcode.createStringToBytes = function(unicodeData, numChars) {
  
              // create conversion map.
  
              var unicodeMap = function() {
  
                  var bin = base64DecodeInputStream(unicodeData);
                  var read = function() {
                      var b = bin.read();
                      if (b == -1) throw new Error();
                      return b;
                  };
  
                  var count = 0;
                  var unicodeMap = {};
                  while (true) {
                      var b0 = bin.read();
                      if (b0 == -1) break;
                      var b1 = read();
                      var b2 = read();
                      var b3 = read();
                      var k = String.fromCharCode( (b0 << 8) | b1);
                      var v = (b2 << 8) | b3;
                      unicodeMap[k] = v;
                      count += 1;
                  }
                  if (count != numChars) {
                      throw new Error(count + ' != ' + numChars);
                  }
  
                  return unicodeMap;
              }();
  
              var unknownChar = '?'.charCodeAt(0);
  
              return function(s) {
                  var bytes = new Array();
                  for (var i = 0; i < s.length; i += 1) {
                      var c = s.charCodeAt(i);
                      if (c < 128) {
                          bytes.push(c);
                      } else {
                          var b = unicodeMap[s.charAt(i)];
                          if (typeof b == 'number') {
                              if ( (b & 0xff) == b) {
                                  // 1byte
                                  bytes.push(b);
                              } else {
                                  // 2bytes
                                  bytes.push(b >>> 8);
                                  bytes.push(b & 0xff);
                              }
                          } else {
                              bytes.push(unknownChar);
                          }
                      }
                  }
                  return bytes;
              };
          };
  
          //---------------------------------------------------------------------
          // QRMode
          //---------------------------------------------------------------------
  
          var QRMode = {
              MODE_NUMBER :    1 << 0,
              MODE_ALPHA_NUM : 1 << 1,
              MODE_8BIT_BYTE : 1 << 2,
              MODE_KANJI :     1 << 3
          };
  
          //---------------------------------------------------------------------
          // QRErrorCorrectLevel
          //---------------------------------------------------------------------
  
          var QRErrorCorrectLevel = {
              L : 1,
              M : 0,
              Q : 3,
              H : 2
          };
  
          //---------------------------------------------------------------------
          // QRMaskPattern
          //---------------------------------------------------------------------
  
          var QRMaskPattern = {
              PATTERN000 : 0,
              PATTERN001 : 1,
              PATTERN010 : 2,
              PATTERN011 : 3,
              PATTERN100 : 4,
              PATTERN101 : 5,
              PATTERN110 : 6,
              PATTERN111 : 7
          };
  
          //---------------------------------------------------------------------
          // QRUtil
          //---------------------------------------------------------------------
  
          var QRUtil = function() {
  
              var 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]
              ];
              var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0);
              var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0);
              var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1);
  
              var _this = {};
  
              var getBCHDigit = function(data) {
                  var digit = 0;
                  while (data != 0) {
                      digit += 1;
                      data >>>= 1;
                  }
                  return digit;
              };
  
              _this.getBCHTypeInfo = function(data) {
                  var d = data << 10;
                  while (getBCHDigit(d) - getBCHDigit(G15) >= 0) {
                      d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) );
                  }
                  return ( (data << 10) | d) ^ G15_MASK;
              };
  
              _this.getBCHTypeNumber = function(data) {
                  var d = data << 12;
                  while (getBCHDigit(d) - getBCHDigit(G18) >= 0) {
                      d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) );
                  }
                  return (data << 12) | d;
              };
  
              _this.getPatternPosition = function(typeNumber) {
                  return PATTERN_POSITION_TABLE[typeNumber - 1];
              };
  
              _this.getMaskFunction = function(maskPattern) {
  
                  switch (maskPattern) {
  
                      case QRMaskPattern.PATTERN000 :
                          return function(i, j) { return (i + j) % 2 == 0; };
                      case QRMaskPattern.PATTERN001 :
                          return function(i, j) { return i % 2 == 0; };
                      case QRMaskPattern.PATTERN010 :
                          return function(i, j) { return j % 3 == 0; };
                      case QRMaskPattern.PATTERN011 :
                          return function(i, j) { return (i + j) % 3 == 0; };
                      case QRMaskPattern.PATTERN100 :
                          return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; };
                      case QRMaskPattern.PATTERN101 :
                          return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; };
                      case QRMaskPattern.PATTERN110 :
                          return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; };
                      case QRMaskPattern.PATTERN111 :
                          return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; };
  
                      default :
                          throw new Error('bad maskPattern:' + maskPattern);
                                     }
              };
  
              _this.getErrorCorrectPolynomial = function(errorCorrectLength) {
                  var a = qrPolynomial([1], 0);
                  for (var i = 0; i < errorCorrectLength; i += 1) {
                      a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) );
                  }
                  return a;
              };
  
              _this.getLengthInBits = function(mode, type) {
  
                  if (1 <= type && type < 10) {
  
                      // 1 - 9
  
                      switch(mode) {
                          case QRMode.MODE_NUMBER    : return 10;
                          case QRMode.MODE_ALPHA_NUM : return 9;
                          case QRMode.MODE_8BIT_BYTE : return 8;
                          case QRMode.MODE_KANJI     : return 8;
                          default :
                              throw new Error('mode:' + mode);
                                 }
  
                  } else if (type < 27) {
  
                      // 10 - 26
  
                      switch(mode) {
                          case QRMode.MODE_NUMBER    : return 12;
                          case QRMode.MODE_ALPHA_NUM : return 11;
                          case QRMode.MODE_8BIT_BYTE : return 16;
                          case QRMode.MODE_KANJI     : return 10;
                          default :
                              throw new Error('mode:' + mode);
                                 }
  
                  } else if (type < 41) {
  
                      // 27 - 40
  
                      switch(mode) {
                          case QRMode.MODE_NUMBER    : return 14;
                          case QRMode.MODE_ALPHA_NUM : return 13;
                          case QRMode.MODE_8BIT_BYTE : return 16;
                          case QRMode.MODE_KANJI     : return 12;
                          default :
                              throw new Error('mode:' + mode);
                                 }
  
                  } else {
                      throw new Error('type:' + type);
                  }
              };
  
              _this.getLostPoint = function(qrcode) {
  
                  var moduleCount = qrcode.getModuleCount();
  
                  var lostPoint = 0;
  
                  // LEVEL1
  
                  for (var row = 0; row < moduleCount; row += 1) {
                      for (var col = 0; col < moduleCount; col += 1) {
  
                          var sameCount = 0;
                          var dark = qrcode.isDark(row, col);
  
                          for (var r = -1; r <= 1; r += 1) {
  
                              if (row + r < 0 || moduleCount <= row + r) {
                                  continue;
                              }
  
                              for (var c = -1; c <= 1; c += 1) {
  
                                  if (col + c < 0 || moduleCount <= col + c) {
                                      continue;
                                  }
  
                                  if (r == 0 && c == 0) {
                                      continue;
                                  }
  
                                  if (dark == qrcode.isDark(row + r, col + c) ) {
                                      sameCount += 1;
                                  }
                              }
                          }
  
                          if (sameCount > 5) {
                              lostPoint += (3 + sameCount - 5);
                          }
                      }
                  };
  
                  // LEVEL2
  
                  for (var row = 0; row < moduleCount - 1; row += 1) {
                      for (var col = 0; col < moduleCount - 1; col += 1) {
                          var count = 0;
                          if (qrcode.isDark(row, col) ) count += 1;
                          if (qrcode.isDark(row + 1, col) ) count += 1;
                          if (qrcode.isDark(row, col + 1) ) count += 1;
                          if (qrcode.isDark(row + 1, col + 1) ) count += 1;
                          if (count == 0 || count == 4) {
                              lostPoint += 3;
                          }
                      }
                  }
  
                  // LEVEL3
  
                  for (var row = 0; row < moduleCount; row += 1) {
                      for (var col = 0; col < moduleCount - 6; col += 1) {
                          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 += 1) {
                      for (var row = 0; row < moduleCount - 6; row += 1) {
                          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 += 1) {
                      for (var row = 0; row < moduleCount; row += 1) {
                          if (qrcode.isDark(row, col) ) {
                              darkCount += 1;
                          }
                      }
                  }
  
                  var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5;
                  lostPoint += ratio * 10;
  
                  return lostPoint;
              };
  
              return _this;
          }();
  
          //---------------------------------------------------------------------
          // QRMath
          //---------------------------------------------------------------------
  
          var QRMath = function() {
  
              var EXP_TABLE = new Array(256);
              var LOG_TABLE = new Array(256);
  
              // initialize tables
              for (var i = 0; i < 8; i += 1) {
                  EXP_TABLE[i] = 1 << i;
              }
              for (var i = 8; i < 256; i += 1) {
                  EXP_TABLE[i] = EXP_TABLE[i - 4]
                  ^ EXP_TABLE[i - 5]
                  ^ EXP_TABLE[i - 6]
                  ^ EXP_TABLE[i - 8];
              }
              for (var i = 0; i < 255; i += 1) {
                  LOG_TABLE[EXP_TABLE[i] ] = i;
              }
  
              var _this = {};
  
              _this.glog = function(n) {
  
                  if (n < 1) {
                      throw new Error('glog(' + n + ')');
                  }
  
                  return LOG_TABLE[n];
              };
  
              _this.gexp = function(n) {
  
                  while (n < 0) {
                      n += 255;
                  }
  
                  while (n >= 256) {
                      n -= 255;
                  }
  
                  return EXP_TABLE[n];
              };
  
              return _this;
          }();
  
          //---------------------------------------------------------------------
          // qrPolynomial
          //---------------------------------------------------------------------
  
          function qrPolynomial(num, shift) {
  
              if (typeof num.length == 'undefined') {
                  throw new Error(num.length + '/' + shift);
              }
  
              var _num = function() {
                  var offset = 0;
                  while (offset < num.length && num[offset] == 0) {
                      offset += 1;
                  }
                  var _num = new Array(num.length - offset + shift);
                  for (var i = 0; i < num.length - offset; i += 1) {
                      _num[i] = num[i + offset];
                  }
                  return _num;
              }();
  
              var _this = {};
  
              _this.getAt = function(index) {
                  return _num[index];
              };
  
              _this.getLength = function() {
                  return _num.length;
              };
  
              _this.multiply = function(e) {
  
                  var num = new Array(_this.getLength() + e.getLength() - 1);
  
                  for (var i = 0; i < _this.getLength(); i += 1) {
                      for (var j = 0; j < e.getLength(); j += 1) {
                          num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i) ) + QRMath.glog(e.getAt(j) ) );
                      }
                  }
  
                  return qrPolynomial(num, 0);
              };
  
              _this.mod = function(e) {
  
                  if (_this.getLength() - e.getLength() < 0) {
                      return _this;
                  }
  
                  var ratio = QRMath.glog(_this.getAt(0) ) - QRMath.glog(e.getAt(0) );
  
                  var num = new Array(_this.getLength() );
                  for (var i = 0; i < _this.getLength(); i += 1) {
                      num[i] = _this.getAt(i);
                  }
  
                  for (var i = 0; i < e.getLength(); i += 1) {
                      num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i) ) + ratio);
                  }
  
                  // recursive call
                  return qrPolynomial(num, 0).mod(e);
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // QRRSBlock
          //---------------------------------------------------------------------
  
          var QRRSBlock = function() {
  
              var 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, 7, 37, 13],
  
                  // 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]
              ];
  
              var qrRSBlock = function(totalCount, dataCount) {
                  var _this = {};
                  _this.totalCount = totalCount;
                  _this.dataCount = dataCount;
                  return _this;
              };
  
              var _this = {};
  
              var getRsBlockTable = function(typeNumber, errorCorrectLevel) {
  
                  switch(errorCorrectLevel) {
                      case QRErrorCorrectLevel.L :
                          return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];
                      case QRErrorCorrectLevel.M :
                          return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];
                      case QRErrorCorrectLevel.Q :
                          return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];
                      case QRErrorCorrectLevel.H :
                          return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];
                      default :
                          return undefined;
                                          }
              };
  
              _this.getRSBlocks = function(typeNumber, errorCorrectLevel) {
  
                  var rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel);
  
                  if (typeof 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 += 1) {
  
                      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 += 1) {
                          list.push(qrRSBlock(totalCount, dataCount) );
                      }
                  }
  
                  return list;
              };
  
              return _this;
          }();
  
          //---------------------------------------------------------------------
          // qrBitBuffer
          //---------------------------------------------------------------------
  
          var qrBitBuffer = function() {
  
              var _buffer = new Array();
              var _length = 0;
  
              var _this = {};
  
              _this.getBuffer = function() {
                  return _buffer;
              };
  
              _this.getAt = function(index) {
                  var bufIndex = Math.floor(index / 8);
                  return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1;
              };
  
              _this.put = function(num, length) {
                  for (var i = 0; i < length; i += 1) {
                      _this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1);
                  }
              };
  
              _this.getLengthInBits = function() {
                  return _length;
              };
  
              _this.putBit = function(bit) {
  
                  var bufIndex = Math.floor(_length / 8);
                  if (_buffer.length <= bufIndex) {
                      _buffer.push(0);
                  }
  
                  if (bit) {
                      _buffer[bufIndex] |= (0x80 >>> (_length % 8) );
                  }
  
                  _length += 1;
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // qr8BitByte
          //---------------------------------------------------------------------
  
          var qr8BitByte = function(data) {
  
              var _mode = QRMode.MODE_8BIT_BYTE;
              var _data = data;
              var _bytes = qrcode.stringToBytes(data);
  
              var _this = {};
  
              _this.getMode = function() {
                  return _mode;
              };
  
              _this.getLength = function(buffer) {
                  return _bytes.length;
              };
  
              _this.write = function(buffer) {
                  for (var i = 0; i < _bytes.length; i += 1) {
                      buffer.put(_bytes[i], 8);
                  }
              };
  
              return _this;
          };
  
          //=====================================================================
          // GIF Support etc.
          //
  
          //---------------------------------------------------------------------
          // byteArrayOutputStream
          //---------------------------------------------------------------------
  
          var byteArrayOutputStream = function() {
  
              var _bytes = new Array();
  
              var _this = {};
  
              _this.writeByte = function(b) {
                  _bytes.push(b & 0xff);
              };
  
              _this.writeShort = function(i) {
                  _this.writeByte(i);
                  _this.writeByte(i >>> 8);
              };
  
              _this.writeBytes = function(b, off, len) {
                  off = off || 0;
                  len = len || b.length;
                  for (var i = 0; i < len; i += 1) {
                      _this.writeByte(b[i + off]);
                  }
              };
  
              _this.writeString = function(s) {
                  for (var i = 0; i < s.length; i += 1) {
                      _this.writeByte(s.charCodeAt(i) );
                  }
              };
  
              _this.toByteArray = function() {
                  return _bytes;
              };
  
              _this.toString = function() {
                  var s = '';
                  s += '[';
                  for (var i = 0; i < _bytes.length; i += 1) {
                      if (i > 0) {
                          s += ',';
                      }
                      s += _bytes[i];
                  }
                  s += ']';
                  return s;
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // base64EncodeOutputStream
          //---------------------------------------------------------------------
  
          var base64EncodeOutputStream = function() {
  
              var _buffer = 0;
              var _buflen = 0;
              var _length = 0;
              var _base64 = '';
  
              var _this = {};
  
              var writeEncoded = function(b) {
                  _base64 += String.fromCharCode(encode(b & 0x3f) );
              };
  
              var encode = function(n) {
                  if (n < 0) {
                      // error.
                  } else if (n < 26) {
                      return 0x41 + n;
                  } else if (n < 52) {
                      return 0x61 + (n - 26);
                  } else if (n < 62) {
                      return 0x30 + (n - 52);
                  } else if (n == 62) {
                      return 0x2b;
                  } else if (n == 63) {
                      return 0x2f;
                  }
                  throw new Error('n:' + n);
              };
  
              _this.writeByte = function(n) {
  
                  _buffer = (_buffer << 8) | (n & 0xff);
                  _buflen += 8;
                  _length += 1;
  
                  while (_buflen >= 6) {
                      writeEncoded(_buffer >>> (_buflen - 6) );
                      _buflen -= 6;
                  }
              };
  
              _this.flush = function() {
  
                  if (_buflen > 0) {
                      writeEncoded(_buffer << (6 - _buflen) );
                      _buffer = 0;
                      _buflen = 0;
                  }
  
                  if (_length % 3 != 0) {
                      // padding
                      var padlen = 3 - _length % 3;
                      for (var i = 0; i < padlen; i += 1) {
                          _base64 += '=';
                      }
                  }
              };
  
              _this.toString = function() {
                  return _base64;
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // base64DecodeInputStream
          //---------------------------------------------------------------------
  
          var base64DecodeInputStream = function(str) {
  
              var _str = str;
              var _pos = 0;
              var _buffer = 0;
              var _buflen = 0;
  
              var _this = {};
  
              _this.read = function() {
  
                  while (_buflen < 8) {
  
                      if (_pos >= _str.length) {
                          if (_buflen == 0) {
                              return -1;
                          }
                          throw new Error('unexpected end of file./' + _buflen);
                      }
  
                      var c = _str.charAt(_pos);
                      _pos += 1;
  
                      if (c == '=') {
                          _buflen = 0;
                          return -1;
                      } else if (c.match(/^\s$/) ) {
                          // ignore if whitespace.
                          continue;
                      }
  
                      _buffer = (_buffer << 6) | decode(c.charCodeAt(0) );
                      _buflen += 6;
                  }
  
                  var n = (_buffer >>> (_buflen - 8) ) & 0xff;
                  _buflen -= 8;
                  return n;
              };
  
              var decode = function(c) {
                  if (0x41 <= c && c <= 0x5a) {
                      return c - 0x41;
                  } else if (0x61 <= c && c <= 0x7a) {
                      return c - 0x61 + 26;
                  } else if (0x30 <= c && c <= 0x39) {
                      return c - 0x30 + 52;
                  } else if (c == 0x2b) {
                      return 62;
                  } else if (c == 0x2f) {
                      return 63;
                  } else {
                      throw new Error('c:' + c);
                  }
              };
  
              return _this;
          };
  
          //---------------------------------------------------------------------
          // gifImage (B/W)
          //---------------------------------------------------------------------
  
          var gifImage = function(width, height) {
  
              var _width = width;
              var _height = height;
              var _data = new Array(width * height);
  
              var _this = {};
  
              _this.setPixel = function(x, y, pixel) {
                  _data[y * _width + x] = pixel;
              };
  
              _this.write = function(out) {
  
                  //---------------------------------
                  // GIF Signature
  
                  out.writeString('GIF87a');
  
                  //---------------------------------
                  // Screen Descriptor
  
                  out.writeShort(_width);
                  out.writeShort(_height);
  
                  out.writeByte(0x80); // 2bit
                  out.writeByte(0);
                  out.writeByte(0);
  
                  //---------------------------------
                  // Global Color Map
  
                  // black
                  out.writeByte(0x00);
                  out.writeByte(0x00);
                  out.writeByte(0x00);
  
                  // white
                  out.writeByte(0xff);
                  out.writeByte(0xff);
                  out.writeByte(0xff);
  
                  //---------------------------------
                  // Image Descriptor
  
                  out.writeString(',');
                  out.writeShort(0);
                  out.writeShort(0);
                  out.writeShort(_width);
                  out.writeShort(_height);
                  out.writeByte(0);
  
                  //---------------------------------
                  // Local Color Map
  
                  //---------------------------------
                  // Raster Data
  
                  var lzwMinCodeSize = 2;
                  var raster = getLZWRaster(lzwMinCodeSize);
  
                  out.writeByte(lzwMinCodeSize);
  
                  var offset = 0;
  
                  while (raster.length - offset > 255) {
                      out.writeByte(255);
                      out.writeBytes(raster, offset, 255);
                      offset += 255;
                  }
  
                  out.writeByte(raster.length - offset);
                  out.writeBytes(raster, offset, raster.length - offset);
                  out.writeByte(0x00);
  
                  //---------------------------------
                  // GIF Terminator
                  out.writeString(';');
              };
  
              var bitOutputStream = function(out) {
  
                  var _out = out;
                  var _bitLength = 0;
                  var _bitBuffer = 0;
  
                  var _this = {};
  
                  _this.write = function(data, length) {
  
                      if ( (data >>> length) != 0) {
                          throw new Error('length over');
                      }
  
                      while (_bitLength + length >= 8) {
                          _out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) );
                          length -= (8 - _bitLength);
                          data >>>= (8 - _bitLength);
                          _bitBuffer = 0;
                          _bitLength = 0;
                      }
  
                      _bitBuffer = (data << _bitLength) | _bitBuffer;
                      _bitLength = _bitLength + length;
                  };
  
                  _this.flush = function() {
                      if (_bitLength > 0) {
                          _out.writeByte(_bitBuffer);
                      }
                  };
  
                  return _this;
              };
  
              var getLZWRaster = function(lzwMinCodeSize) {
  
                  var clearCode = 1 << lzwMinCodeSize;
                  var endCode = (1 << lzwMinCodeSize) + 1;
                  var bitLength = lzwMinCodeSize + 1;
  
                  // Setup LZWTable
                  var table = lzwTable();
  
                  for (var i = 0; i < clearCode; i += 1) {
                      table.add(String.fromCharCode(i) );
                  }
                  table.add(String.fromCharCode(clearCode) );
                  table.add(String.fromCharCode(endCode) );
  
                  var byteOut = byteArrayOutputStream();
                  var bitOut = bitOutputStream(byteOut);
  
                  // clear code
                  bitOut.write(clearCode, bitLength);
  
                  var dataIndex = 0;
  
                  var s = String.fromCharCode(_data[dataIndex]);
                  dataIndex += 1;
  
                  while (dataIndex < _data.length) {
  
                      var c = String.fromCharCode(_data[dataIndex]);
                      dataIndex += 1;
  
                      if (table.contains(s + c) ) {
  
                          s = s + c;
  
                      } else {
  
                          bitOut.write(table.indexOf(s), bitLength);
  
                          if (table.size() < 0xfff) {
  
                              if (table.size() == (1 << bitLength) ) {
                                  bitLength += 1;
                              }
  
                              table.add(s + c);
                          }
  
                          s = c;
                      }
                  }
  
                  bitOut.write(table.indexOf(s), bitLength);
  
                  // end code
                  bitOut.write(endCode, bitLength);
  
                  bitOut.flush();
  
                  return byteOut.toByteArray();
              };
  
              var lzwTable = function() {
  
                  var _map = {};
                  var _size = 0;
  
                  var _this = {};
  
                  _this.add = function(key) {
                      if (_this.contains(key) ) {
                          throw new Error('dup key:' + key);
                      }
                      _map[key] = _size;
                      _size += 1;
                  };
  
                  _this.size = function() {
                      return _size;
                  };
  
                  _this.indexOf = function(key) {
                      return _map[key];
                  };
  
                  _this.contains = function(key) {
                      return typeof _map[key] != 'undefined';
                  };
  
                  return _this;
              };
  
              return _this;
          };
  
          var createImgTag = function(width, height, getPixel, alt) {
  
              var gif = gifImage(width, height);
              for (var y = 0; y < height; y += 1) {
                  for (var x = 0; x < width; x += 1) {
                      gif.setPixel(x, y, getPixel(x, y) );
                  }
              }
  
              var b = byteArrayOutputStream();
              gif.write(b);
  
              var base64 = base64EncodeOutputStream();
              var bytes = b.toByteArray();
              for (var i = 0; i < bytes.length; i += 1) {
                  base64.writeByte(bytes[i]);
              }
              base64.flush();
  
              var img = '';
              img += '<img';
              img += '\u0020src="';
              img += 'data:image/gif;base64,';
              img += base64;
              img += '"';
              img += '\u0020width="';
              img += width;
              img += '"';
              img += '\u0020height="';
              img += height;
              img += '"';
              if (alt) {
                  img += '\u0020alt="';
                  img += alt;
                  img += '"';
              }
              img += '/>';
  
              return img;
          };
  
          //---------------------------------------------------------------------
          // returns qrcode function.
  
          return qrcode;
      }();
  
      (function (factory) {
          if (typeof define === 'function' && define.amd) {
              define([], factory);
          } else if (typeof exports === 'object') {
              module.exports = factory();
          }
      }(function () {
          return qrcode;
      }));
      //---------------------------------------------------------------------
      //
      // QR Code Generator for JavaScript UTF8 Support (optional)
      //
      // Copyright (c) 2011 Kazuhiko Arase
      //
      // URL: http://www.d-project.com/
      //
      // Licensed under the MIT license:
      //  http://www.opensource.org/licenses/mit-license.php
      //
      // The word 'QR Code' is registered trademark of
      // DENSO WAVE INCORPORATED
      //  http://www.denso-wave.com/qrcode/faqpatent-e.html
      //
      //---------------------------------------------------------------------
  
      !function(qrcode) {
  
          //---------------------------------------------------------------------
          // overwrite qrcode.stringToBytes
          //---------------------------------------------------------------------
  
          qrcode.stringToBytes = function(s) {
              // http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array
              function toUTF8Array(str) {
                  var utf8 = [];
                  for (var i=0; i < str.length; i++) {
                      var charcode = str.charCodeAt(i);
                      if (charcode < 0x80) utf8.push(charcode);
                      else if (charcode < 0x800) {
                          utf8.push(0xc0 | (charcode >> 6),
                                    0x80 | (charcode & 0x3f));
                      }
                      else if (charcode < 0xd800 || charcode >= 0xe000) {
                          utf8.push(0xe0 | (charcode >> 12),
                                    0x80 | ((charcode>>6) & 0x3f),
                                    0x80 | (charcode & 0x3f));
                      }
                      // surrogate pair
                      else {
                          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));
                          utf8.push(0xf0 | (charcode >>18),
                                    0x80 | ((charcode>>12) & 0x3f),
                                    0x80 | ((charcode>>6) & 0x3f),
                                    0x80 | (charcode & 0x3f));
                      }
                  }
                  return utf8;
              }
              return toUTF8Array(s);
          };
  
      }(qrcode);
  
      return qrcode;
  }()));
  