text: /**
   * Croppr.js
   * https://github.com/jamesssooi/Croppr.js
   * 
   * A JavaScript image cropper that's lightweight, awesome, and has
   * zero dependencies.
   * 
   * (C) 2017 James Ooi. Released under the MIT License.
   */
  
  (function (global, factory) {
  	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  	typeof define === 'function' && define.amd ? define(factory) :
  	(global.Croppr = factory());
  }(this, (function () { 'use strict';
  
  (function () {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];
    for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
      window.requestAnimationFrame = window[vendors[x] + 'RequestAnimationFrame'];
      window.cancelAnimationFrame = window[vendors[x] + 'CancelAnimationFrame'] || window[vendors[x] + 'CancelRequestAnimationFrame'];
    }
    if (!window.requestAnimationFrame) window.requestAnimationFrame = function (callback, element) {
      var currTime = new Date().getTime();
      var timeToCall = Math.max(0, 16 - (currTime - lastTime));
      var id = window.setTimeout(function () {
        callback(currTime + timeToCall);
      }, timeToCall);
      lastTime = currTime + timeToCall;
      return id;
    };
    if (!window.cancelAnimationFrame) window.cancelAnimationFrame = function (id) {
      clearTimeout(id);
    };
  })();
  (function () {
    if (typeof window.CustomEvent === "function") return false;
    function CustomEvent(event, params) {
      params = params || { bubbles: false, cancelable: false, detail: undefined };
      var evt = document.createEvent('CustomEvent');
      evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
      return evt;
    }
    CustomEvent.prototype = window.Event.prototype;
    window.CustomEvent = CustomEvent;
  })();
  (function (window) {
    try {
      new CustomEvent('test');
      return false;
    } catch (e) {}
    function MouseEvent(eventType, params) {
      params = params || { bubbles: false, cancelable: false };
      var mouseEvent = document.createEvent('MouseEvent');
      mouseEvent.initMouseEvent(eventType, params.bubbles, params.cancelable, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
      return mouseEvent;
    }
    MouseEvent.prototype = Event.prototype;
    window.MouseEvent = MouseEvent;
  })(window);
  
  var classCallCheck = function (instance, Constructor) {
    if (!(instance instanceof Constructor)) {
      throw new TypeError("Cannot call a class as a function");
    }
  };
  
  var createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }
  
    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();
  
  
  
  
  
  
  
  var get = function get(object, property, receiver) {
    if (object === null) object = Function.prototype;
    var desc = Object.getOwnPropertyDescriptor(object, property);
  
    if (desc === undefined) {
      var parent = Object.getPrototypeOf(object);
  
      if (parent === null) {
        return undefined;
      } else {
        return get(parent, property, receiver);
      }
    } else if ("value" in desc) {
      return desc.value;
    } else {
      var getter = desc.get;
  
      if (getter === undefined) {
        return undefined;
      }
  
      return getter.call(receiver);
    }
  };
  
  var inherits = function (subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }
  
    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  };
  
  
  
  
  
  
  
  
  
  
  
  var possibleConstructorReturn = function (self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }
  
    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  };
  
  
  
  
  
  var slicedToArray = function () {
    function sliceIterator(arr, i) {
      var _arr = [];
      var _n = true;
      var _d = false;
      var _e = undefined;
  
      try {
        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
          _arr.push(_s.value);
  
          if (i && _arr.length === i) break;
        }
      } catch (err) {
        _d = true;
        _e = err;
      } finally {
        try {
          if (!_n && _i["return"]) _i["return"]();
        } finally {
          if (_d) throw _e;
        }
      }
  
      return _arr;
    }
  
    return function (arr, i) {
      if (Array.isArray(arr)) {
        return arr;
      } else if (Symbol.iterator in Object(arr)) {
        return sliceIterator(arr, i);
      } else {
        throw new TypeError("Invalid attempt to destructure non-iterable instance");
      }
    };
  }();
  
  var Handle =
  /**
   * Creates a new Handle instance.
   * @constructor
   * @param {Array} position The x and y ratio position of the handle
   *      within the crop region. Accepts a value between 0 to 1 in the order
   *      of [X, Y].
   * @param {Array} constraints Define the side of the crop region that
   *      is to be affected by this handle. Accepts a value of 0 or 1 in the
   *      order of [TOP, RIGHT, BOTTOM, LEFT].
   * @param {String} cursor The CSS cursor of this handle.
   * @param {Element} eventBus The element to dispatch events to.
   */
  function Handle(position, constraints, cursor, eventBus) {
    classCallCheck(this, Handle);
    var self = this;
    this.position = position;
    this.constraints = constraints;
    this.cursor = cursor;
    this.eventBus = eventBus;
    this.el = document.createElement('div');
    this.el.className = 'croppr-handle';
    this.el.style.cursor = cursor;
    this.el.addEventListener('mousedown', onMouseDown);
    function onMouseDown(e) {
      e.stopPropagation();
      document.addEventListener('mouseup', onMouseUp);
      document.addEventListener('mousemove', onMouseMove);
      self.eventBus.dispatchEvent(new CustomEvent('handlestart', {
        detail: { handle: self }
      }));
    }
    function onMouseUp(e) {
      e.stopPropagation();
      document.removeEventListener('mouseup', onMouseUp);
      document.removeEventListener('mousemove', onMouseMove);
      self.eventBus.dispatchEvent(new CustomEvent('handleend', {
        detail: { handle: self }
      }));
    }
    function onMouseMove(e) {
      e.stopPropagation();
      self.eventBus.dispatchEvent(new CustomEvent('handlemove', {
        detail: { mouseX: e.clientX, mouseY: e.clientY }
      }));
    }
  };
  
  var Box = function () {
    /**
     * Creates a new Box instance.
     * @constructor
     * @param {Number} x1
     * @param {Number} y1
     * @param {Number} x2
     * @param {Number} y2
     */
    function Box(x1, y1, x2, y2) {
      classCallCheck(this, Box);
      this.x1 = x1;
      this.y1 = y1;
      this.x2 = x2;
      this.y2 = y2;
    }
    /**
     * Sets the new dimensions of the box.
     * @param {Number} x1
     * @param {Number} y1
     * @param {Number} x2
     * @param {Number} y2
     */
    createClass(Box, [{
      key: 'set',
      value: function set$$1() {
        var x1 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        var y1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        var x2 = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
        var y2 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
        this.x1 = x1 == null ? this.x1 : x1;
        this.y1 = y1 == null ? this.y1 : y1;
        this.x2 = x2 == null ? this.x2 : x2;
        this.y2 = y2 == null ? this.y2 : y2;
        return this;
      }
      /**
       * Calculates the width of the box.
       * @returns {Number}
       */
    }, {
      key: 'width',
      value: function width() {
        return Math.abs(this.x2 - this.x1);
      }
      /**
       * Calculates the height of the box.
       * @returns {Number}
       */
    }, {
      key: 'height',
      value: function height() {
        return Math.abs(this.y2 - this.y1);
      }
      /**
       * Resizes the box to a new size.
       * @param {Number} newWidth
       * @param {Number} newHeight
       * @param {Array} [origin] The origin point to resize from.
       *      Defaults to [0, 0] (top left).
       */
    }, {
      key: 'resize',
      value: function resize(newWidth, newHeight) {
        var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [0, 0];
        var fromX = this.x1 + this.width() * origin[0];
        var fromY = this.y1 + this.height() * origin[1];
        this.x1 = fromX - newWidth * origin[0];
        this.y1 = fromY - newHeight * origin[1];
        this.x2 = this.x1 + newWidth;
        this.y2 = this.y1 + newHeight;
        return this;
      }
      /**
       * Scale the box by a factor.
       * @param {Number} factor
       * @param {Array} [origin] The origin point to resize from.
       *      Defaults to [0, 0] (top left).
       */
    }, {
      key: 'scale',
      value: function scale(factor) {
        var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [0, 0];
        var newWidth = this.width() * factor;
        var newHeight = this.height() * factor;
        this.resize(newWidth, newHeight, origin);
        return this;
      }
    }, {
      key: 'move',
      value: function move() {
        var x = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        var width = this.width();
        var height = this.height();
        x = x === null ? this.x1 : x;
        y = y === null ? this.y1 : y;
        this.x1 = x;
        this.y1 = y;
        this.x2 = x + width;
        this.y2 = y + height;
        return this;
      }
      /**
       * Get relative x and y coordinates of a given point within the box.
       * @param {Array} point The x and y ratio position within the box.
       * @returns {Array} The x and y coordinates [x, y].
       */
    }, {
      key: 'getRelativePoint',
      value: function getRelativePoint() {
        var point = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [0, 0];
        var x = this.width() * point[0];
        var y = this.height() * point[1];
        return [x, y];
      }
      /**
       * Get absolute x and y coordinates of a given point within the box.
       * @param {Array} point The x and y ratio position within the box.
       * @returns {Array} The x and y coordinates [x, y].
       */
    }, {
      key: 'getAbsolutePoint',
      value: function getAbsolutePoint() {
        var point = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [0, 0];
        var x = this.x1 + this.width() * point[0];
        var y = this.y1 + this.height() * point[1];
        return [x, y];
      }
      /**
       * Constrain the box to a fixed ratio.
       * @param {Number} ratio
       * @param {Array} [origin] The origin point to resize from.
       *     Defaults to [0, 0] (top left).
       * @param {String} [grow] The axis to grow to maintain the ratio.
       *     Defaults to 'height'.
       */
    }, {
      key: 'constrainToRatio',
      value: function constrainToRatio(ratio) {
        var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [0, 0];
        var grow = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'height';
        if (ratio === null) {
          return;
        }
        var width = this.width();
        var height = this.height();
        switch (grow) {
          case 'height':
            this.resize(this.width(), this.width() * ratio, origin);
            break;
          case 'width':
            this.resize(this.height() * 1 / ratio, this.height(), origin);
            break;
          default:
            this.resize(this.width(), this.width() * ratio, origin);
        }
        return this;
      }
      /**
       * Constrain the box within a boundary.
       * @param {Number} boundaryWidth
       * @param {Number} boundaryHeight
       * @param {Array} [origin] The origin point to resize from.
       *     Defaults to [0, 0] (top left).
       */
    }, {
      key: 'constrainToBoundary',
      value: function constrainToBoundary(boundaryWidth, boundaryHeight) {
        var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [0, 0];
        var _getAbsolutePoint = this.getAbsolutePoint(origin),
            _getAbsolutePoint2 = slicedToArray(_getAbsolutePoint, 2),
            originX = _getAbsolutePoint2[0],
            originY = _getAbsolutePoint2[1];
        var maxIfLeft = originX;
        var maxIfTop = originY;
        var maxIfRight = boundaryWidth - originX;
        var maxIfBottom = boundaryHeight - originY;
        var directionX = -2 * origin[0] + 1;
        var directionY = -2 * origin[1] + 1;
        var maxWidth = null,
            maxHeight = null;
        switch (directionX) {
          case -1:
            maxWidth = maxIfLeft;break;
          case 0:
            maxWidth = Math.min(maxIfLeft, maxIfRight) * 2;break;
          case +1:
            maxWidth = maxIfRight;break;
        }
        switch (directionY) {
          case -1:
            maxHeight = maxIfTop;break;
          case 0:
            maxHeight = Math.min(maxIfTop, maxIfBottom) * 2;break;
          case +1:
            maxHeight = maxIfBottom;break;
        }
        if (this.width() > maxWidth) {
          var factor = maxWidth / this.width();
          this.scale(factor, origin);
        }
        if (this.height() > maxHeight) {
          var _factor = maxHeight / this.height();
          this.scale(_factor, origin);
        }
        return this;
      }
      /**
       * Constrain the box to a maximum/minimum size.
       * @param {Number} [maxWidth]
       * @param {Number} [maxHeight]
       * @param {Number} [minWidth]
       * @param {Number} [minHeight]
       * @param {Array} [origin] The origin point to resize from.
       *     Defaults to [0, 0] (top left).
       * @param {Number} [ratio] Ratio to maintain.
       */
    }, {
      key: 'constrainToSize',
      value: function constrainToSize() {
        var maxWidth = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        var maxHeight = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        var minWidth = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
        var minHeight = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
        var origin = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [0, 0];
        var ratio = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : null;
        if (ratio) {
          if (ratio > 1) {
            maxWidth = maxHeight * 1 / ratio;
            minHeight = minHeight * ratio;
          } else if (ratio < 1) {
            maxHeight = maxWidth * ratio;
            minWidth = minHeight * 1 / ratio;
          }
        }
        if (maxWidth && this.width() > maxWidth) {
          var newWidth = maxWidth,
              newHeight = ratio === null ? this.height() : maxHeight;
          this.resize(newWidth, newHeight, origin);
        }
        if (maxHeight && this.height() > maxHeight) {
          var _newWidth = ratio === null ? this.width() : maxWidth,
              _newHeight = maxHeight;
          this.resize(_newWidth, _newHeight, origin);
        }
        if (minWidth && this.width() < minWidth) {
          var _newWidth2 = minWidth,
              _newHeight2 = ratio === null ? this.height() : minHeight;
          this.resize(_newWidth2, _newHeight2, origin);
        }
        if (minHeight && this.height() < minHeight) {
          var _newWidth3 = ratio === null ? this.width() : minWidth,
              _newHeight3 = minHeight;
          this.resize(_newWidth3, _newHeight3, origin);
        }
        return this;
      }
    }]);
    return Box;
  }();
  
  /**
   * Binds an element's touch events to be simulated as mouse events.
   * @param {Element} element
   */
  function enableTouch(element) {
    element.addEventListener('touchstart', simulateMouseEvent);
    element.addEventListener('touchend', simulateMouseEvent);
    element.addEventListener('touchmove', simulateMouseEvent);
  }
  /**
   * Translates a touch event to a mouse event.
   * @param {Event} e
   */
  function simulateMouseEvent(e) {
    e.preventDefault();
    var touch = e.changedTouches[0];
    var eventMap = {
      'touchstart': 'mousedown',
      'touchmove': 'mousemove',
      'touchend': 'mouseup'
    };
    touch.target.dispatchEvent(new MouseEvent(eventMap[e.type], {
      bubbles: true,
      cancelable: true,
      view: window,
      clientX: touch.clientX,
      clientY: touch.clientY,
      screenX: touch.screenX,
      screenY: touch.screenY
    }));
  }
  
  /**
   * Define a list of handles to create.
   *
   * @property {Array} position - The x and y ratio position of the handle within
   *      the crop region. Accepts a value between 0 to 1 in the order of [X, Y].
   * @property {Array} constraints - Define the side of the crop region that is to
   *      be affected by this handle. Accepts a value of 0 or 1 in the order of
   *      [TOP, RIGHT, BOTTOM, LEFT].
   * @property {String} cursor - The CSS cursor of this handle.
   */
  var HANDLES = [{ position: [0.0, 0.0], constraints: [1, 0, 0, 1], cursor: 'nw-resize' }, { position: [0.5, 0.0], constraints: [1, 0, 0, 0], cursor: 'n-resize' }, { position: [1.0, 0.0], constraints: [1, 1, 0, 0], cursor: 'ne-resize' }, { position: [1.0, 0.5], constraints: [0, 1, 0, 0], cursor: 'e-resize' }, { position: [1.0, 1.0], constraints: [0, 1, 1, 0], cursor: 'se-resize' }, { position: [0.5, 1.0], constraints: [0, 0, 1, 0], cursor: 's-resize' }, { position: [0.0, 1.0], constraints: [0, 0, 1, 1], cursor: 'sw-resize' }, { position: [0.0, 0.5], constraints: [0, 0, 0, 1], cursor: 'w-resize' }];
  var CropprCore = function () {
    function CropprCore(element, options) {
      var _this = this;
      var deferred = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      classCallCheck(this, CropprCore);
      this.options = CropprCore.parseOptions(options || {});
      if (!element.nodeName) {
        element = document.querySelector(element);
        if (element == null) {
          throw 'Unable to find element.';
        }
      }
      if (!element.getAttribute('src')) {
        throw 'Image src not provided.';
      }
      this._initialized = false;
      this._restore = {
        parent: element.parentNode,
        element: element
      };if (!deferred) {
        if (element.width === 0 || element.height === 0) {
          element.onload = function () {
            _this.initialize(element);
          };
        } else {
          this.initialize(element);
        }
      }
    }
    createClass(CropprCore, [{
      key: 'initialize',
      value: function initialize(element) {
        this.createDOM(element);
        this.options.convertToPixels(this.cropperEl);
        this.attachHandlerEvents();
        this.attachRegionEvents();
        this.attachOverlayEvents();
        this.box = this.initializeBox(this.options);
        this.redraw();
        this._initialized = true;
        if (this.options.onInitialize !== null) {
          this.options.onInitialize(this);
        }
      }
    }, {
      key: 'createDOM',
      value: function createDOM(targetEl) {
        this.containerEl = document.createElement('div');
        this.containerEl.className = 'croppr-container';
        this.eventBus = this.containerEl;
        enableTouch(this.containerEl);
        this.cropperEl = document.createElement('div');
        this.cropperEl.className = 'croppr';
        this.imageEl = document.createElement('img');
        this.imageEl.setAttribute('src', targetEl.getAttribute('src'));
        this.imageEl.setAttribute('alt', targetEl.getAttribute('alt'));
        this.imageEl.className = 'croppr-image';
        this.imageClippedEl = this.imageEl.cloneNode();
        this.imageClippedEl.className = 'croppr-imageClipped';
        this.regionEl = document.createElement('div');
        this.regionEl.className = 'croppr-region';
        this.overlayEl = document.createElement('div');
        this.overlayEl.className = 'croppr-overlay';
        var handleContainerEl = document.createElement('div');
        handleContainerEl.className = 'croppr-handleContainer';
        this.handles = [];
        for (var i = 0; i < HANDLES.length; i++) {
          var handle = new Handle(HANDLES[i].position, HANDLES[i].constraints, HANDLES[i].cursor, this.eventBus);
          this.handles.push(handle);
          handleContainerEl.appendChild(handle.el);
        }
        this.cropperEl.appendChild(this.imageEl);
        this.cropperEl.appendChild(this.imageClippedEl);
        this.cropperEl.appendChild(this.regionEl);
        this.cropperEl.appendChild(this.overlayEl);
        this.cropperEl.appendChild(handleContainerEl);
        this.containerEl.appendChild(this.cropperEl);
        targetEl.parentElement.replaceChild(this.containerEl, targetEl);
      }
      /**
       * Changes the image src.
       * @param {String} src
       */
    }, {
      key: 'setImage',
      value: function setImage(src) {
        var _this2 = this;
        this.imageEl.onload = function () {
          _this2.box = _this2.initializeBox(_this2.options);
          _this2.redraw();
        };
        this.imageEl.src = src;
        this.imageClippedEl.src = src;
        return this;
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        this._restore.parent.replaceChild(this._restore.element, this.containerEl);
      }
      /**
       * Create a new box region with a set of options.
       * @param {Object} opts The options.
       * @returns {Box}
       */
    }, {
      key: 'initializeBox',
      value: function initializeBox(opts) {
        var width = opts.startSize.width;
        var height = opts.startSize.height;
        var box = new Box(0, 0, width, height);
        box.constrainToRatio(opts.aspectRatio, [0.5, 0.5]);
        var min = opts.minSize;
        var max = opts.maxSize;
        box.constrainToSize(max.width, max.height, min.width, min.height, [0.5, 0.5], opts.aspectRatio);
        var parentWidth = this.cropperEl.offsetWidth;
        var parentHeight = this.cropperEl.offsetHeight;
        box.constrainToBoundary(parentWidth, parentHeight, [0.5, 0.5]);
        var x = this.cropperEl.offsetWidth / 2 - box.width() / 2;
        var y = this.cropperEl.offsetHeight / 2 - box.height() / 2;
        box.move(x, y);
        return box;
      }
    }, {
      key: 'redraw',
      value: function redraw() {
        var _this3 = this;
        var width = Math.round(this.box.width()),
            height = Math.round(this.box.height()),
            x1 = Math.round(this.box.x1),
            y1 = Math.round(this.box.y1),
            x2 = Math.round(this.box.x2),
            y2 = Math.round(this.box.y2);
        window.requestAnimationFrame(function () {
          _this3.regionEl.style.transform = 'translate(' + x1 + 'px, ' + y1 + 'px)';
          _this3.regionEl.style.width = width + 'px';
          _this3.regionEl.style.height = height + 'px';
          _this3.imageClippedEl.style.clip = 'rect(' + y1 + 'px, ' + x2 + 'px, ' + y2 + 'px, ' + x1 + 'px)';
          var center = _this3.box.getAbsolutePoint([.5, .5]);
          var xSign = center[0] - _this3.cropperEl.offsetWidth / 2 >> 31;
          var ySign = center[1] - _this3.cropperEl.offsetHeight / 2 >> 31;
          var quadrant = (xSign ^ ySign) + ySign + ySign + 4;
          var foregroundHandleIndex = -2 * quadrant + 8;
          for (var i = 0; i < _this3.handles.length; i++) {
            var handle = _this3.handles[i];
            var handleWidth = handle.el.offsetWidth;
            var handleHeight = handle.el.offsetHeight;
            var left = x1 + width * handle.position[0] - handleWidth / 2;
            var top = y1 + height * handle.position[1] - handleHeight / 2;
            handle.el.style.transform = 'translate(' + Math.round(left) + 'px, ' + Math.round(top) + 'px)';
            handle.el.style.zIndex = foregroundHandleIndex == i ? 5 : 4;
          }
        });
      }
    }, {
      key: 'attachHandlerEvents',
      value: function attachHandlerEvents() {
        var eventBus = this.eventBus;
        eventBus.addEventListener('handlestart', this.onHandleMoveStart.bind(this));
        eventBus.addEventListener('handlemove', this.onHandleMoveMoving.bind(this));
        eventBus.addEventListener('handleend', this.onHandleMoveEnd.bind(this));
      }
    }, {
      key: 'attachRegionEvents',
      value: function attachRegionEvents() {
        var eventBus = this.eventBus;
        var self = this;
        this.regionEl.addEventListener('mousedown', onMouseDown);
        eventBus.addEventListener('regionstart', this.onRegionMoveStart.bind(this));
        eventBus.addEventListener('regionmove', this.onRegionMoveMoving.bind(this));
        eventBus.addEventListener('regionend', this.onRegionMoveEnd.bind(this));
        function onMouseDown(e) {
          e.stopPropagation();
          document.addEventListener('mouseup', onMouseUp);
          document.addEventListener('mousemove', onMouseMove);
          eventBus.dispatchEvent(new CustomEvent('regionstart', {
            detail: { mouseX: e.clientX, mouseY: e.clientY }
          }));
        }
        function onMouseMove(e) {
          e.stopPropagation();
          eventBus.dispatchEvent(new CustomEvent('regionmove', {
            detail: { mouseX: e.clientX, mouseY: e.clientY }
          }));
        }
        function onMouseUp(e) {
          e.stopPropagation();
          document.removeEventListener('mouseup', onMouseUp);
          document.removeEventListener('mousemove', onMouseMove);
          eventBus.dispatchEvent(new CustomEvent('regionend', {
            detail: { mouseX: e.clientX, mouseY: e.clientY }
          }));
        }
      }
    }, {
      key: 'attachOverlayEvents',
      value: function attachOverlayEvents() {
        var SOUTHEAST_HANDLE_IDX = 4;
        var self = this;
        var tmpBox = null;
        this.overlayEl.addEventListener('mousedown', onMouseDown);
        function onMouseDown(e) {
          e.stopPropagation();
          document.addEventListener('mouseup', onMouseUp);
          document.addEventListener('mousemove', onMouseMove);
          var container = self.cropperEl.getBoundingClientRect();
          var mouseX = e.clientX - container.left;
          var mouseY = e.clientY - container.top;
          tmpBox = self.box;
          self.box = new Box(mouseX, mouseY, mouseX + 1, mouseY + 1);
          self.eventBus.dispatchEvent(new CustomEvent('handlestart', {
            detail: { handle: self.handles[SOUTHEAST_HANDLE_IDX] }
          }));
        }
        function onMouseMove(e) {
          e.stopPropagation();
          self.eventBus.dispatchEvent(new CustomEvent('handlemove', {
            detail: { mouseX: e.clientX, mouseY: e.clientY }
          }));
        }
        function onMouseUp(e) {
          e.stopPropagation();
          document.removeEventListener('mouseup', onMouseUp);
          document.removeEventListener('mousemove', onMouseMove);
          if (self.box.width() === 1 && self.box.height() === 1) {
            self.box = tmpBox;
            return;
          }
          self.eventBus.dispatchEvent(new CustomEvent('handleend', {
            detail: { mouseX: e.clientX, mouseY: e.clientY }
          }));
        }
      }
    }, {
      key: 'onHandleMoveStart',
      value: function onHandleMoveStart(e) {
        var handle = e.detail.handle;
        var originPoint = [1 - handle.position[0], 1 - handle.position[1]];
        var _box$getAbsolutePoint = this.box.getAbsolutePoint(originPoint),
            _box$getAbsolutePoint2 = slicedToArray(_box$getAbsolutePoint, 2),
            originX = _box$getAbsolutePoint2[0],
            originY = _box$getAbsolutePoint2[1];
        this.activeHandle = { handle: handle, originPoint: originPoint, originX: originX, originY: originY
        };if (this.options.onCropStart !== null) {
          this.options.onCropStart(this.getValue());
        }
      }
    }, {
      key: 'onHandleMoveMoving',
      value: function onHandleMoveMoving(e) {
        var _e$detail = e.detail,
            mouseX = _e$detail.mouseX,
            mouseY = _e$detail.mouseY;
        var container = this.cropperEl.getBoundingClientRect();
        mouseX = mouseX - container.left;
        mouseY = mouseY - container.top;
        if (mouseX < 0) {
          mouseX = 0;
        } else if (mouseX > container.width) {
          mouseX = container.width;
        }
        if (mouseY < 0) {
          mouseY = 0;
        } else if (mouseY > container.height) {
          mouseY = container.height;
        }
        var origin = this.activeHandle.originPoint.slice();
        var originX = this.activeHandle.originX;
        var originY = this.activeHandle.originY;
        var handle = this.activeHandle.handle;
        var TOP_MOVABLE = handle.constraints[0] === 1;
        var RIGHT_MOVABLE = handle.constraints[1] === 1;
        var BOTTOM_MOVABLE = handle.constraints[2] === 1;
        var LEFT_MOVABLE = handle.constraints[3] === 1;
        var MULTI_AXIS = (LEFT_MOVABLE || RIGHT_MOVABLE) && (TOP_MOVABLE || BOTTOM_MOVABLE);
        var x1 = LEFT_MOVABLE || RIGHT_MOVABLE ? originX : this.box.x1;
        var x2 = LEFT_MOVABLE || RIGHT_MOVABLE ? originX : this.box.x2;
        var y1 = TOP_MOVABLE || BOTTOM_MOVABLE ? originY : this.box.y1;
        var y2 = TOP_MOVABLE || BOTTOM_MOVABLE ? originY : this.box.y2;
        x1 = LEFT_MOVABLE ? mouseX : x1;
        x2 = RIGHT_MOVABLE ? mouseX : x2;
        y1 = TOP_MOVABLE ? mouseY : y1;
        y2 = BOTTOM_MOVABLE ? mouseY : y2;
        var isFlippedX = false,
            isFlippedY = false;
        if (LEFT_MOVABLE || RIGHT_MOVABLE) {
          isFlippedX = LEFT_MOVABLE ? mouseX > originX : mouseX < originX;
        }
        if (TOP_MOVABLE || BOTTOM_MOVABLE) {
          isFlippedY = TOP_MOVABLE ? mouseY > originY : mouseY < originY;
        }
        if (isFlippedX) {
          var tmp = x1;x1 = x2;x2 = tmp;
          origin[0] = 1 - origin[0];
        }
        if (isFlippedY) {
          var _tmp = y1;y1 = y2;y2 = _tmp;
          origin[1] = 1 - origin[1];
        }
        var box = new Box(x1, y1, x2, y2);
        if (this.options.aspectRatio) {
          var ratio = this.options.aspectRatio;
          var isVerticalMovement = false;
          if (MULTI_AXIS) {
            isVerticalMovement = mouseY > box.y1 + ratio * box.width() || mouseY < box.y2 - ratio * box.width();
          } else if (TOP_MOVABLE || BOTTOM_MOVABLE) {
            isVerticalMovement = true;
          }
          var ratioMode = isVerticalMovement ? 'width' : 'height';
          box.constrainToRatio(ratio, origin, ratioMode);
        }
        var min = this.options.minSize;
        var max = this.options.maxSize;
        box.constrainToSize(max.width, max.height, min.width, min.height, origin, this.options.aspectRatio);
        var parentWidth = this.cropperEl.offsetWidth;
        var parentHeight = this.cropperEl.offsetHeight;
        box.constrainToBoundary(parentWidth, parentHeight, origin);
        this.box = box;
        this.redraw();
        if (this.options.onCropMove !== null) {
          this.options.onCropMove(this.getValue());
        }
      }
    }, {
      key: 'onHandleMoveEnd',
      value: function onHandleMoveEnd(e) {
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
      }
    }, {
      key: 'onRegionMoveStart',
      value: function onRegionMoveStart(e) {
        var _e$detail2 = e.detail,
            mouseX = _e$detail2.mouseX,
            mouseY = _e$detail2.mouseY;
        var container = this.cropperEl.getBoundingClientRect();
        mouseX = mouseX - container.left;
        mouseY = mouseY - container.top;
        this.currentMove = {
          offsetX: mouseX - this.box.x1,
          offsetY: mouseY - this.box.y1
        };if (this.options.onCropStart !== null) {
          this.options.onCropStart(this.getValue());
        }
      }
    }, {
      key: 'onRegionMoveMoving',
      value: function onRegionMoveMoving(e) {
        var _e$detail3 = e.detail,
            mouseX = _e$detail3.mouseX,
            mouseY = _e$detail3.mouseY;
        var _currentMove = this.currentMove,
            offsetX = _currentMove.offsetX,
            offsetY = _currentMove.offsetY;
        var container = this.cropperEl.getBoundingClientRect();
        mouseX = mouseX - container.left;
        mouseY = mouseY - container.top;
        this.box.move(mouseX - offsetX, mouseY - offsetY);
        if (this.box.x1 < 0) {
          this.box.move(0, null);
        }
        if (this.box.x2 > container.width) {
          this.box.move(container.width - this.box.width(), null);
        }
        if (this.box.y1 < 0) {
          this.box.move(null, 0);
        }
        if (this.box.y2 > container.height) {
          this.box.move(null, container.height - this.box.height());
        }
        this.redraw();
        if (this.options.onCropMove !== null) {
          this.options.onCropMove(this.getValue());
        }
      }
    }, {
      key: 'onRegionMoveEnd',
      value: function onRegionMoveEnd(e) {
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
      }
    }, {
      key: 'getValue',
      value: function getValue() {
        var mode = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
        if (mode === null) {
          mode = this.options.returnMode;
        }
        if (mode == 'real') {
          var actualWidth = this.imageEl.naturalWidth;
          var actualHeight = this.imageEl.naturalHeight;
          var _imageEl$getBoundingC = this.imageEl.getBoundingClientRect(),
              elementWidth = _imageEl$getBoundingC.width,
              elementHeight = _imageEl$getBoundingC.height;
          var factorX = actualWidth / elementWidth;
          var factorY = actualHeight / elementHeight;
          return {
            x: Math.round(this.box.x1 * factorX),
            y: Math.round(this.box.y1 * factorY),
            width: Math.round(this.box.width() * factorX),
            height: Math.round(this.box.height() * factorY)
          };
        } else if (mode == 'ratio') {
          var _imageEl$getBoundingC2 = this.imageEl.getBoundingClientRect(),
              _elementWidth = _imageEl$getBoundingC2.width,
              _elementHeight = _imageEl$getBoundingC2.height;
          return {
            x: round(this.box.x1 / _elementWidth, 3),
            y: round(this.box.y1 / _elementHeight, 3),
            width: round(this.box.width() / _elementWidth, 3),
            height: round(this.box.height() / _elementHeight, 3)
          };
        } else if (mode == 'raw') {
          return {
            x: Math.round(this.box.x1),
            y: Math.round(this.box.y1),
            width: Math.round(this.box.width()),
            height: Math.round(this.box.height())
          };
        }
      }
    }], [{
      key: 'parseOptions',
      value: function parseOptions(opts) {
        var defaults$$1 = {
          aspectRatio: null,
          maxSize: { width: null, height: null },
          minSize: { width: null, height: null },
          startSize: { width: 100, height: 100, unit: '%' },
          returnMode: 'real',
          onInitialize: null,
          onCropStart: null,
          onCropMove: null,
          onCropEnd: null
        };var aspectRatio = null;
        if (opts.aspectRatio !== undefined) {
          if (typeof opts.aspectRatio === 'number') {
            aspectRatio = opts.aspectRatio;
          } else if (opts.aspectRatio instanceof Array) {
            aspectRatio = opts.aspectRatio[1] / opts.aspectRatio[0];
          }
        }
        var maxSize = null;
        if (opts.maxSize !== undefined && opts.maxSize !== null) {
          maxSize = {
            width: opts.maxSize[0] || null,
            height: opts.maxSize[1] || null,
            unit: opts.maxSize[2] || 'px'
          };
        }
        var minSize = null;
        if (opts.minSize !== undefined && opts.minSize !== null) {
          minSize = {
            width: opts.minSize[0] || null,
            height: opts.minSize[1] || null,
            unit: opts.minSize[2] || 'px'
          };
        }
        var startSize = null;
        if (opts.startSize !== undefined && opts.startSize !== null) {
          startSize = {
            width: opts.startSize[0] || null,
            height: opts.startSize[1] || null,
            unit: opts.startSize[2] || '%'
          };
        }
        var onInitialize = null;
        if (typeof opts.onInitialize === 'function') {
          onInitialize = opts.onInitialize;
        }
        var onCropStart = null;
        if (typeof opts.onCropStart === 'function') {
          onCropStart = opts.onCropStart;
        }
        var onCropEnd = null;
        if (typeof opts.onCropEnd === 'function') {
          onCropEnd = opts.onCropEnd;
        }
        var onCropMove = null;
        if (typeof opts.onUpdate === 'function') {
          console.warn('Croppr.js: `onUpdate` is deprecated and will be removed in the next major release. Please use `onCropMove` or `onCropEnd` instead.');
          onCropMove = opts.onUpdate;
        }
        if (typeof opts.onCropMove === 'function') {
          onCropMove = opts.onCropMove;
        }
        var returnMode = null;
        if (opts.returnMode !== undefined) {
          var s = opts.returnMode.toLowerCase();
          if (['real', 'ratio', 'raw'].indexOf(s) === -1) {
            throw "Invalid return mode.";
          }
          returnMode = s;
        }
        var convertToPixels = function convertToPixels(container) {
          var width = container.offsetWidth;
          var height = container.offsetHeight;
          var sizeKeys = ['maxSize', 'minSize', 'startSize'];
          for (var i = 0; i < sizeKeys.length; i++) {
            var key = sizeKeys[i];
            if (this[key] !== null) {
              if (this[key].unit == '%') {
                if (this[key].width !== null) {
                  this[key].width = this[key].width / 100 * width;
                }
                if (this[key].height !== null) {
                  this[key].height = this[key].height / 100 * height;
                }
              }
              delete this[key].unit;
            }
          }
        };
        var defaultValue = function defaultValue(v, d) {
          return v !== null ? v : d;
        };
        return {
          aspectRatio: defaultValue(aspectRatio, defaults$$1.aspectRatio),
          maxSize: defaultValue(maxSize, defaults$$1.maxSize),
          minSize: defaultValue(minSize, defaults$$1.minSize),
          startSize: defaultValue(startSize, defaults$$1.startSize),
          returnMode: defaultValue(returnMode, defaults$$1.returnMode),
          onInitialize: defaultValue(onInitialize, defaults$$1.onInitialize),
          onCropStart: defaultValue(onCropStart, defaults$$1.onCropStart),
          onCropMove: defaultValue(onCropMove, defaults$$1.onCropMove),
          onCropEnd: defaultValue(onCropEnd, defaults$$1.onCropEnd),
          convertToPixels: convertToPixels
        };
      }
    }]);
    return CropprCore;
  }();
  function round(value, decimals) {
    return Number(Math.round(value + 'e' + decimals) + 'e-' + decimals);
  }
  
  var Croppr$1 = function (_CropprCore) {
    inherits(Croppr, _CropprCore);
    /**
     * @constructor
     * Calls the CropprCore's constructor.
     */
    function Croppr(element, options) {
      var _deferred = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      classCallCheck(this, Croppr);
      return possibleConstructorReturn(this, (Croppr.__proto__ || Object.getPrototypeOf(Croppr)).call(this, element, options, _deferred));
    }
    /**
     * Gets the value of the crop region.
     * @param {String} [mode] Which mode of calculation to use: 'real', 'ratio' or
     *      'raw'.
     */
    createClass(Croppr, [{
      key: 'getValue',
      value: function getValue(mode) {
        return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'getValue', this).call(this, mode);
      }
      /**
       * Changes the image src.
       * @param {String} src
       */
    }, {
      key: 'setImage',
      value: function setImage(src) {
        return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'setImage', this).call(this, src);
      }
    }, {
      key: 'destroy',
      value: function destroy() {
        return get(Croppr.prototype.__proto__ || Object.getPrototypeOf(Croppr.prototype), 'destroy', this).call(this);
      }
      /**
       * Moves the crop region to a specified coordinate.
       * @param {Number} x
       * @param {Number} y
       */
    }, {
      key: 'moveTo',
      value: function moveTo(x, y) {
        this.box.move(x, y);
        this.redraw();
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
        return this;
      }
      /**
       * Resizes the crop region to a specified width and height.
       * @param {Number} width
       * @param {Number} height
       * @param {Array} origin The origin point to resize from.
       *      Defaults to [0.5, 0.5] (center).
       */
    }, {
      key: 'resizeTo',
      value: function resizeTo(width, height) {
        var origin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [.5, .5];
        this.box.resize(width, height, origin);
        this.redraw();
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
        return this;
      }
      /**
       * Scale the crop region by a factor.
       * @param {Number} factor
       * @param {Array} origin The origin point to resize from.
       *      Defaults to [0.5, 0.5] (center).
       */
    }, {
      key: 'scaleBy',
      value: function scaleBy(factor) {
        var origin = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [.5, .5];
        this.box.scale(factor, origin);
        this.redraw();
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
        return this;
      }
    }, {
      key: 'reset',
      value: function reset() {
        this.box = this.initializeBox(this.options);
        this.redraw();
        if (this.options.onCropEnd !== null) {
          this.options.onCropEnd(this.getValue());
        }
        return this;
      }
      /**
       * Resizes crop region to new setting.
       * @param Object - new options
       */
    }, {
      key: 'setValue',
      value: function setValue(_ref) {
        var x = _ref.x,
            y = _ref.y,
            width = _ref.width,
            height = _ref.height;
        this.resizeTo(width, height).moveTo(x, y);
        return this;
      }
    }]);
    return Croppr;
  }(CropprCore);
  
  return Croppr$1;
  
  })));
  