equation-admin-template/ltr/plugins/image-crop/cropper.js

Booststrap 4 admin template made by equation

/*!
 * Cropper.js v1.0.0-beta.2
 * https://github.com/fengyuanchen/cropperjs
 *
 * Copyright (c) 2017 Fengyuan Chen
 * Released under the MIT license
 *
 * Date: 2017-02-25T07:36:34.540Z
 */

(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
  typeof define === 'function' && define.amd ? define(factory) :
  (global.Cropper = factory());
}(this, (function () { 'use strict';

var DEFAULTS = {
  // Define the view mode of the cropper
  viewMode: 0, // 0, 1, 2, 3

  // Define the dragging mode of the cropper
  dragMode: 'crop', // 'crop', 'move' or 'none'

  // Define the aspect ratio of the crop box
  aspectRatio: NaN,

  // An object with the previous cropping result data
  data: null,

  // A selector for adding extra containers to preview
  preview: '',

  // Re-render the cropper when resize the window
  responsive: true,

  // Restore the cropped area after resize the window
  restore: true,

  // Check if the current image is a cross-origin image
  checkCrossOrigin: true,

  // Check the current image's Exif Orientation information
  checkOrientation: true,

  // Show the black modal
  modal: true,

  // Show the dashed lines for guiding
  guides: true,

  // Show the center indicator for guiding
  center: true,

  // Show the white modal to highlight the crop box
  highlight: true,

  // Show the grid background
  background: true,

  // Enable to crop the image automatically when initialize
  autoCrop: true,

  // Define the percentage of automatic cropping area when initializes
  autoCropArea: 0.8,

  // Enable to move the image
  movable: true,

  // Enable to rotate the image
  rotatable: true,

  // Enable to scale the image
  scalable: true,

  // Enable to zoom the image
  zoomable: true,

  // Enable to zoom the image by dragging touch
  zoomOnTouch: true,

  // Enable to zoom the image by wheeling mouse
  zoomOnWheel: true,

  // Define zoom ratio when zoom the image by wheeling mouse
  wheelZoomRatio: 0.1,

  // Enable to move the crop box
  cropBoxMovable: true,

  // Enable to resize the crop box
  cropBoxResizable: true,

  // Toggle drag mode between "crop" and "move" when click twice on the cropper
  toggleDragModeOnDblclick: true,

  // Size limitation
  minCanvasWidth: 0,
  minCanvasHeight: 0,
  minCropBoxWidth: 0,
  minCropBoxHeight: 0,
  minContainerWidth: 200,
  minContainerHeight: 100,

  // Shortcuts of events
  ready: null,
  cropstart: null,
  cropmove: null,
  cropend: null,
  crop: null,
  zoom: null
};

var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};











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 set = function set(object, property, value, receiver) {
  var desc = Object.getOwnPropertyDescriptor(object, property);

  if (desc === undefined) {
    var parent = Object.getPrototypeOf(object);

    if (parent !== null) {
      set(parent, property, value, receiver);
    }
  } else if ("value" in desc && desc.writable) {
    desc.value = value;
  } else {
    var setter = desc.set;

    if (setter !== undefined) {
      setter.call(receiver, value);
    }
  }

  return value;
};















var toConsumableArray = function (arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

    return arr2;
  } else {
    return Array.from(arr);
  }
};

// RegExps
var REGEXP_DATA_URL_HEAD = /^data:.*,/;
var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
var REGEXP_SPACES = /\s+/;
var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/;
var REGEXP_TRIM = /^\s+(.*)\s+$/;
var REGEXP_USERAGENT = /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i;

// Utilities
var navigator = typeof window !== 'undefined' ? window.navigator : null;
var IS_SAFARI_OR_UIWEBVIEW = navigator && REGEXP_USERAGENT.test(navigator.userAgent);
var objectProto = Object.prototype;
var toString = objectProto.toString;
var hasOwnProperty = objectProto.hasOwnProperty;
var slice = Array.prototype.slice;
var fromCharCode = String.fromCharCode;

function typeOf(obj) {
  return toString.call(obj).slice(8, -1).toLowerCase();
}

function isNumber(num) {
  return typeof num === 'number' && !isNaN(num);
}

function isUndefined(obj) {
  return typeof obj === 'undefined';
}

function isObject(obj) {
  return (typeof obj === 'undefined' ? 'undefined' : _typeof(obj)) === 'object' && obj !== null;
}

function isPlainObject(obj) {
  if (!isObject(obj)) {
    return false;
  }

  try {
    var _constructor = obj.constructor;
    var prototype = _constructor.prototype;

    return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
  } catch (e) {
    return false;
  }
}

function isFunction(fn) {
  return typeOf(fn) === 'function';
}

function isArray(arr) {
  return Array.isArray ? Array.isArray(arr) : typeOf(arr) === 'array';
}



function trim(str) {
  if (typeof str === 'string') {
    str = str.trim ? str.trim() : str.replace(REGEXP_TRIM, '$1');
  }

  return str;
}

function each(obj, callback) {
  if (obj && isFunction(callback)) {
    var i = void 0;

    if (isArray(obj) || isNumber(obj.length) /* array-like */) {
        var length = obj.length;

        for (i = 0; i < length; i++) {
          if (callback.call(obj, obj[i], i, obj) === false) {
            break;
          }
        }
      } else if (isObject(obj)) {
      Object.keys(obj).forEach(function (key) {
        callback.call(obj, obj[key], key, obj);
      });
    }
  }

  return obj;
}

function extend(obj) {
  for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  if (isObject(obj) && args.length > 0) {
    if (Object.assign) {
      return Object.assign.apply(Object, [obj].concat(args));
    }

    args.forEach(function (arg) {
      if (isObject(arg)) {
        Object.keys(arg).forEach(function (key) {
          obj[key] = arg[key];
        });
      }
    });
  }

  return obj;
}

function proxy(fn, context) {
  for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
    args[_key2 - 2] = arguments[_key2];
  }

  return function () {
    for (var _len3 = arguments.length, args2 = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
      args2[_key3] = arguments[_key3];
    }

    return fn.apply(context, args.concat(args2));
  };
}

function setStyle(element, styles) {
  var style = element.style;

  each(styles, function (value, property) {
    if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
      value += 'px';
    }

    style[property] = value;
  });
}

function hasClass(element, value) {
  return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1;
}

function addClass(element, value) {
  if (!value) {
    return;
  }

  if (isNumber(element.length)) {
    each(element, function (elem) {
      addClass(elem, value);
    });
    return;
  }

  if (element.classList) {
    element.classList.add(value);
    return;
  }

  var className = trim(element.className);

  if (!className) {
    element.className = value;
  } else if (className.indexOf(value) < 0) {
    element.className = className + ' ' + value;
  }
}

function removeClass(element, value) {
  if (!value) {
    return;
  }

  if (isNumber(element.length)) {
    each(element, function (elem) {
      removeClass(elem, value);
    });
    return;
  }

  if (element.classList) {
    element.classList.remove(value);
    return;
  }

  if (element.className.indexOf(value) >= 0) {
    element.className = element.className.replace(value, '');
  }
}

function toggleClass(element, value, added) {
  if (!value) {
    return;
  }

  if (isNumber(element.length)) {
    each(element, function (elem) {
      toggleClass(elem, value, added);
    });
    return;
  }

  // IE10-11 doesn't support the second parameter of `classList.toggle`
  if (added) {
    addClass(element, value);
  } else {
    removeClass(element, value);
  }
}

function hyphenate(str) {
  return str.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
}

function getData$1(element, name) {
  if (isObject(element[name])) {
    return element[name];
  } else if (element.dataset) {
    return element.dataset[name];
  }

  return element.getAttribute('data-' + hyphenate(name));
}

function setData$1(element, name, data) {
  if (isObject(data)) {
    element[name] = data;
  } else if (element.dataset) {
    element.dataset[name] = data;
  } else {
    element.setAttribute('data-' + hyphenate(name), data);
  }
}

function removeData(element, name) {
  if (isObject(element[name])) {
    delete element[name];
  } else if (element.dataset) {
    // #128 Safari not allows to delete dataset property
    try {
      delete element.dataset[name];
    } catch (e) {
      element.dataset[name] = null;
    }
  } else {
    element.removeAttribute('data-' + hyphenate(name));
  }
}

function removeListener(element, type, handler) {
  var types = trim(type).split(REGEXP_SPACES);

  if (types.length > 1) {
    each(types, function (t) {
      removeListener(element, t, handler);
    });
    return;
  }

  if (element.removeEventListener) {
    element.removeEventListener(type, handler, false);
  } else if (element.detachEvent) {
    element.detachEvent('on' + type, handler);
  }
}

function addListener(element, type, _handler, once) {
  var types = trim(type).split(REGEXP_SPACES);
  var originalHandler = _handler;

  if (types.length > 1) {
    each(types, function (t) {
      addListener(element, t, _handler);
    });
    return;
  }

  if (once) {
    _handler = function handler() {
      for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
        args[_key4] = arguments[_key4];
      }

      removeListener(element, type, _handler);

      return originalHandler.apply(element, args);
    };
  }

  if (element.addEventListener) {
    element.addEventListener(type, _handler, false);
  } else if (element.attachEvent) {
    element.attachEvent('on' + type, _handler);
  }
}

function dispatchEvent(element, type, data) {
  if (element.dispatchEvent) {
    var event = void 0;

    // Event and CustomEvent on IE9-11 are global objects, not constructors
    if (isFunction(Event) && isFunction(CustomEvent)) {
      if (isUndefined(data)) {
        event = new Event(type, {
          bubbles: true,
          cancelable: true
        });
      } else {
        event = new CustomEvent(type, {
          detail: data,
          bubbles: true,
          cancelable: true
        });
      }
    } else if (isUndefined(data)) {
      event = document.createEvent('Event');
      event.initEvent(type, true, true);
    } else {
      event = document.createEvent('CustomEvent');
      event.initCustomEvent(type, true, true, data);
    }

    // IE9+
    return element.dispatchEvent(event);
  } else if (element.fireEvent) {
    // IE6-10 (native events only)
    return element.fireEvent('on' + type);
  }

  return true;
}

function getEvent(event) {
  var e = event || window.event;

  // Fix target property (IE8)
  if (!e.target) {
    e.target = e.srcElement || document;
  }

  if (!isNumber(e.pageX) && isNumber(e.clientX)) {
    var eventDoc = event.target.ownerDocument || document;
    var doc = eventDoc.documentElement;
    var body = eventDoc.body;

    e.pageX = e.clientX + ((doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0));
    e.pageY = e.clientY + ((doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0));
  }

  return e;
}

function getOffset(element) {
  var doc = document.documentElement;
  var box = element.getBoundingClientRect();

  return {
    left: box.left + ((window.scrollX || doc && doc.scrollLeft || 0) - (doc && doc.clientLeft || 0)),
    top: box.top + ((window.scrollY || doc && doc.scrollTop || 0) - (doc && doc.clientTop || 0))
  };
}

function getByTag(element, tagName) {
  return element.getElementsByTagName(tagName);
}

function getByClass(element, className) {
  return element.getElementsByClassName ? element.getElementsByClassName(className) : element.querySelectorAll('.' + className);
}

function createElement(tagName) {
  return document.createElement(tagName);
}

function appendChild(element, elem) {
  element.appendChild(elem);
}

function removeChild(element) {
  if (element.parentNode) {
    element.parentNode.removeChild(element);
  }
}

function empty(element) {
  while (element.firstChild) {
    element.removeChild(element.firstChild);
  }
}

function isCrossOriginURL(url) {
  var parts = url.match(REGEXP_ORIGINS);

  return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
}

function addTimestamp(url) {
  var timestamp = 'timestamp=' + new Date().getTime();

  return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
}

function getImageSize(image, callback) {
  // Modern browsers (ignore Safari)
  if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
    callback(image.naturalWidth, image.naturalHeight);
    return;
  }

  // IE8: Don't use `new Image()` here
  var newImage = createElement('img');

  newImage.onload = function load() {
    callback(this.width, this.height);
  };

  newImage.src = image.src;
}

function getTransforms(data) {
  var transforms = [];
  var translateX = data.translateX;
  var translateY = data.translateY;
  var rotate = data.rotate;
  var scaleX = data.scaleX;
  var scaleY = data.scaleY;

  if (isNumber(translateX) && translateX !== 0) {
    transforms.push('translateX(' + translateX + 'px)');
  }

  if (isNumber(translateY) && translateY !== 0) {
    transforms.push('translateY(' + translateY + 'px)');
  }

  // Rotate should come first before scale to match orientation transform
  if (isNumber(rotate) && rotate !== 0) {
    transforms.push('rotate(' + rotate + 'deg)');
  }

  if (isNumber(scaleX) && scaleX !== 1) {
    transforms.push('scaleX(' + scaleX + ')');
  }

  if (isNumber(scaleY) && scaleY !== 1) {
    transforms.push('scaleY(' + scaleY + ')');
  }

  var transform = transforms.length ? transforms.join(' ') : 'none';

  return {
    WebkitTransform: transform,
    msTransform: transform,
    transform: transform
  };
}

function getRotatedSizes(data, reversed) {
  var deg = Math.abs(data.degree) % 180;
  var arc = (deg > 90 ? 180 - deg : deg) * Math.PI / 180;
  var sinArc = Math.sin(arc);
  var cosArc = Math.cos(arc);
  var width = data.width;
  var height = data.height;
  var aspectRatio = data.aspectRatio;
  var newWidth = void 0;
  var newHeight = void 0;

  if (!reversed) {
    newWidth = width * cosArc + height * sinArc;
    newHeight = width * sinArc + height * cosArc;
  } else {
    newWidth = width / (cosArc + sinArc / aspectRatio);
    newHeight = newWidth / aspectRatio;
  }

  return {
    width: newWidth,
    height: newHeight
  };
}

function getSourceCanvas(image, data) {
  var canvas = createElement('canvas');
  var context = canvas.getContext('2d');
  var dstX = 0;
  var dstY = 0;
  var dstWidth = data.naturalWidth;
  var dstHeight = data.naturalHeight;
  var rotate = data.rotate;
  var scaleX = data.scaleX;
  var scaleY = data.scaleY;
  var scalable = isNumber(scaleX) && isNumber(scaleY) && (scaleX !== 1 || scaleY !== 1);
  var rotatable = isNumber(rotate) && rotate !== 0;
  var advanced = rotatable || scalable;
  var canvasWidth = dstWidth * Math.abs(scaleX || 1);
  var canvasHeight = dstHeight * Math.abs(scaleY || 1);
  var translateX = void 0;
  var translateY = void 0;
  var rotated = void 0;

  if (scalable) {
    translateX = canvasWidth / 2;
    translateY = canvasHeight / 2;
  }

  if (rotatable) {
    rotated = getRotatedSizes({
      width: canvasWidth,
      height: canvasHeight,
      degree: rotate
    });

    canvasWidth = rotated.width;
    canvasHeight = rotated.height;
    translateX = canvasWidth / 2;
    translateY = canvasHeight / 2;
  }

  canvas.width = canvasWidth;
  canvas.height = canvasHeight;

  if (advanced) {
    dstX = -dstWidth / 2;
    dstY = -dstHeight / 2;

    context.save();
    context.translate(translateX, translateY);
  }

  // Rotate should come first before scale as in the "getTransform" function
  if (rotatable) {
    context.rotate(rotate * Math.PI / 180);
  }

  if (scalable) {
    context.scale(scaleX, scaleY);
  }

  context.drawImage(image, Math.floor(dstX), Math.floor(dstY), Math.floor(dstWidth), Math.floor(dstHeight));

  if (advanced) {
    context.restore();
  }

  return canvas;
}

function getStringFromCharCode(dataView, start, length) {
  var str = '';
  var i = start;

  for (length += start; i < length; i++) {
    str += fromCharCode(dataView.getUint8(i));
  }

  return str;
}

function getOrientation(arrayBuffer) {
  var dataView = new DataView(arrayBuffer);
  var length = dataView.byteLength;
  var orientation = void 0;
  var exifIDCode = void 0;
  var tiffOffset = void 0;
  var firstIFDOffset = void 0;
  var littleEndian = void 0;
  var endianness = void 0;
  var app1Start = void 0;
  var ifdStart = void 0;
  var offset = void 0;
  var i = void 0;

  // Only handle JPEG image (start by 0xFFD8)
  if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
    offset = 2;

    while (offset < length) {
      if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
        app1Start = offset;
        break;
      }

      offset++;
    }
  }

  if (app1Start) {
    exifIDCode = app1Start + 4;
    tiffOffset = app1Start + 10;

    if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
      endianness = dataView.getUint16(tiffOffset);
      littleEndian = endianness === 0x4949;

      if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
          if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
            firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);

            if (firstIFDOffset >= 0x00000008) {
              ifdStart = tiffOffset + firstIFDOffset;
            }
          }
        }
    }
  }

  if (ifdStart) {
    length = dataView.getUint16(ifdStart, littleEndian);

    for (i = 0; i < length; i++) {
      offset = ifdStart + i * 12 + 2;

      if (dataView.getUint16(offset, littleEndian) === 0x0112 /* Orientation */) {
          // 8 is the offset of the current tag's value
          offset += 8;

          // Get the original orientation value
          orientation = dataView.getUint16(offset, littleEndian);

          // Override the orientation with its default value for Safari
          if (IS_SAFARI_OR_UIWEBVIEW) {
            dataView.setUint16(offset, 1, littleEndian);
          }

          break;
        }
    }
  }

  return orientation;
}

function dataURLToArrayBuffer(dataURL) {
  var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
  var binary = atob(base64);
  var length = binary.length;
  var arrayBuffer = new ArrayBuffer(length);
  var dataView = new Uint8Array(arrayBuffer);
  var i = void 0;

  for (i = 0; i < length; i++) {
    dataView[i] = binary.charCodeAt(i);
  }

  return arrayBuffer;
}

// Only available for JPEG image
function arrayBufferToDataURL(arrayBuffer) {
  var dataView = new Uint8Array(arrayBuffer);
  var length = dataView.length;
  var base64 = '';
  var i = void 0;

  for (i = 0; i < length; i++) {
    base64 += fromCharCode(dataView[i]);
  }

  return 'data:image/jpeg;base64,' + btoa(base64);
}

var render$1 = {
  render: function render() {
    var self = this;

    self.initContainer();
    self.initCanvas();
    self.initCropBox();

    self.renderCanvas();

    if (self.cropped) {
      self.renderCropBox();
    }
  },
  initContainer: function initContainer() {
    var self = this;
    var options = self.options;
    var element = self.element;
    var container = self.container;
    var cropper = self.cropper;
    var hidden = 'cropper-hidden';
    var containerData = void 0;

    addClass(cropper, hidden);
    removeClass(element, hidden);

    self.containerData = containerData = {
      width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200),
      height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100)
    };

    setStyle(cropper, {
      width: containerData.width,
      height: containerData.height
    });

    addClass(element, hidden);
    removeClass(cropper, hidden);
  },


  // Canvas (image wrapper)
  initCanvas: function initCanvas() {
    var self = this;
    var viewMode = self.options.viewMode;
    var containerData = self.containerData;
    var imageData = self.imageData;
    var rotated = Math.abs(imageData.rotate) === 90;
    var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
    var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
    var aspectRatio = naturalWidth / naturalHeight;
    var canvasWidth = containerData.width;
    var canvasHeight = containerData.height;

    if (containerData.height * aspectRatio > containerData.width) {
      if (viewMode === 3) {
        canvasWidth = containerData.height * aspectRatio;
      } else {
        canvasHeight = containerData.width / aspectRatio;
      }
    } else if (viewMode === 3) {
      canvasHeight = containerData.width / aspectRatio;
    } else {
      canvasWidth = containerData.height * aspectRatio;
    }

    var canvasData = {
      naturalWidth: naturalWidth,
      naturalHeight: naturalHeight,
      aspectRatio: aspectRatio,
      width: canvasWidth,
      height: canvasHeight
    };

    canvasData.oldLeft = canvasData.left = (containerData.width - canvasWidth) / 2;
    canvasData.oldTop = canvasData.top = (containerData.height - canvasHeight) / 2;

    self.canvasData = canvasData;
    self.limited = viewMode === 1 || viewMode === 2;
    self.limitCanvas(true, true);
    self.initialImageData = extend({}, imageData);
    self.initialCanvasData = extend({}, canvasData);
  },
  limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
    var self = this;
    var options = self.options;
    var viewMode = options.viewMode;
    var containerData = self.containerData;
    var canvasData = self.canvasData;
    var aspectRatio = canvasData.aspectRatio;
    var cropBoxData = self.cropBoxData;
    var cropped = self.cropped && cropBoxData;

    if (sizeLimited) {
      var minCanvasWidth = Number(options.minCanvasWidth) || 0;
      var minCanvasHeight = Number(options.minCanvasHeight) || 0;

      if (viewMode > 1) {
        minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
        minCanvasHeight = Math.max(minCanvasHeight, containerData.height);

        if (viewMode === 3) {
          if (minCanvasHeight * aspectRatio > minCanvasWidth) {
            minCanvasWidth = minCanvasHeight * aspectRatio;
          } else {
            minCanvasHeight = minCanvasWidth / aspectRatio;
          }
        }
      } else if (viewMode > 0) {
        if (minCanvasWidth) {
          minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
        } else if (minCanvasHeight) {
          minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
        } else if (cropped) {
          minCanvasWidth = cropBoxData.width;
          minCanvasHeight = cropBoxData.height;

          if (minCanvasHeight * aspectRatio > minCanvasWidth) {
            minCanvasWidth = minCanvasHeight * aspectRatio;
          } else {
            minCanvasHeight = minCanvasWidth / aspectRatio;
          }
        }
      }

      if (minCanvasWidth && minCanvasHeight) {
        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
          minCanvasHeight = minCanvasWidth / aspectRatio;
        } else {
          minCanvasWidth = minCanvasHeight * aspectRatio;
        }
      } else if (minCanvasWidth) {
        minCanvasHeight = minCanvasWidth / aspectRatio;
      } else if (minCanvasHeight) {
        minCanvasWidth = minCanvasHeight * aspectRatio;
      }

      canvasData.minWidth = minCanvasWidth;
      canvasData.minHeight = minCanvasHeight;
      canvasData.maxWidth = Infinity;
      canvasData.maxHeight = Infinity;
    }

    if (positionLimited) {
      if (viewMode) {
        var newCanvasLeft = containerData.width - canvasData.width;
        var newCanvasTop = containerData.height - canvasData.height;

        canvasData.minLeft = Math.min(0, newCanvasLeft);
        canvasData.minTop = Math.min(0, newCanvasTop);
        canvasData.maxLeft = Math.max(0, newCanvasLeft);
        canvasData.maxTop = Math.max(0, newCanvasTop);

        if (cropped && self.limited) {
          canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
          canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
          canvasData.maxLeft = cropBoxData.left;
          canvasData.maxTop = cropBoxData.top;

          if (viewMode === 2) {
            if (canvasData.width >= containerData.width) {
              canvasData.minLeft = Math.min(0, newCanvasLeft);
              canvasData.maxLeft = Math.max(0, newCanvasLeft);
            }

            if (canvasData.height >= containerData.height) {
              canvasData.minTop = Math.min(0, newCanvasTop);
              canvasData.maxTop = Math.max(0, newCanvasTop);
            }
          }
        }
      } else {
        canvasData.minLeft = -canvasData.width;
        canvasData.minTop = -canvasData.height;
        canvasData.maxLeft = containerData.width;
        canvasData.maxTop = containerData.height;
      }
    }
  },
  renderCanvas: function renderCanvas(changed) {
    var self = this;
    var canvasData = self.canvasData;
    var imageData = self.imageData;
    var rotate = imageData.rotate;

    if (self.rotated) {
      self.rotated = false;

      // Computes rotated sizes with image sizes
      var rotatedData = getRotatedSizes({
        width: imageData.width,
        height: imageData.height,
        degree: rotate
      });
      var aspectRatio = rotatedData.width / rotatedData.height;
      var isSquareImage = imageData.aspectRatio === 1;

      if (isSquareImage || aspectRatio !== canvasData.aspectRatio) {
        canvasData.left -= (rotatedData.width - canvasData.width) / 2;
        canvasData.top -= (rotatedData.height - canvasData.height) / 2;
        canvasData.width = rotatedData.width;
        canvasData.height = rotatedData.height;
        canvasData.aspectRatio = aspectRatio;
        canvasData.naturalWidth = imageData.naturalWidth;
        canvasData.naturalHeight = imageData.naturalHeight;

        // Computes rotated sizes with natural image sizes
        if (isSquareImage && rotate % 90 || rotate % 180) {
          var rotatedData2 = getRotatedSizes({
            width: imageData.naturalWidth,
            height: imageData.naturalHeight,
            degree: rotate
          });

          canvasData.naturalWidth = rotatedData2.width;
          canvasData.naturalHeight = rotatedData2.height;
        }

        self.limitCanvas(true, false);
      }
    }

    if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) {
      canvasData.left = canvasData.oldLeft;
    }

    if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) {
      canvasData.top = canvasData.oldTop;
    }

    canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
    canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);

    self.limitCanvas(false, true);

    canvasData.oldLeft = canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft);
    canvasData.oldTop = canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop);

    setStyle(self.canvas, extend({
      width: canvasData.width,
      height: canvasData.height
    }, getTransforms({
      translateX: canvasData.left,
      translateY: canvasData.top
    })));

    self.renderImage();

    if (self.cropped && self.limited) {
      self.limitCropBox(true, true);
    }

    if (changed) {
      self.output();
    }
  },
  renderImage: function renderImage(changed) {
    var self = this;
    var canvasData = self.canvasData;
    var imageData = self.imageData;
    var newImageData = void 0;
    var reversedData = void 0;
    var reversedWidth = void 0;
    var reversedHeight = void 0;

    if (imageData.rotate) {
      reversedData = getRotatedSizes({
        width: canvasData.width,
        height: canvasData.height,
        degree: imageData.rotate,
        aspectRatio: imageData.aspectRatio
      }, true);

      reversedWidth = reversedData.width;
      reversedHeight = reversedData.height;

      newImageData = {
        width: reversedWidth,
        height: reversedHeight,
        left: (canvasData.width - reversedWidth) / 2,
        top: (canvasData.height - reversedHeight) / 2
      };
    }

    extend(imageData, newImageData || {
      width: canvasData.width,
      height: canvasData.height,
      left: 0,
      top: 0
    });

    setStyle(self.image, extend({
      width: imageData.width,
      height: imageData.height
    }, getTransforms(extend({
      translateX: imageData.left,
      translateY: imageData.top
    }, imageData))));

    if (changed) {
      self.output();
    }
  },
  initCropBox: function initCropBox() {
    var self = this;
    var options = self.options;
    var aspectRatio = options.aspectRatio;
    var autoCropArea = Number(options.autoCropArea) || 0.8;
    var canvasData = self.canvasData;
    var cropBoxData = {
      width: canvasData.width,
      height: canvasData.height
    };

    if (aspectRatio) {
      if (canvasData.height * aspectRatio > canvasData.width) {
        cropBoxData.height = cropBoxData.width / aspectRatio;
      } else {
        cropBoxData.width = cropBoxData.height * aspectRatio;
      }
    }

    self.cropBoxData = cropBoxData;
    self.limitCropBox(true, true);

    // Initialize auto crop area
    cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
    cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);

    // The width/height of auto crop area must large than "minWidth/Height"
    cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea);
    cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea);
    cropBoxData.oldLeft = cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2;
    cropBoxData.oldTop = cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2;

    self.initialCropBoxData = extend({}, cropBoxData);
  },
  limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
    var self = this;
    var options = self.options;
    var aspectRatio = options.aspectRatio;
    var containerData = self.containerData;
    var canvasData = self.canvasData;
    var cropBoxData = self.cropBoxData;
    var limited = self.limited;

    if (sizeLimited) {
      var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
      var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
      var maxCropBoxWidth = Math.min(containerData.width, limited ? canvasData.width : containerData.width);
      var maxCropBoxHeight = Math.min(containerData.height, limited ? canvasData.height : containerData.height);

      // The min/maxCropBoxWidth/Height must be less than containerWidth/Height
      minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
      minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);

      if (aspectRatio) {
        if (minCropBoxWidth && minCropBoxHeight) {
          if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
            minCropBoxHeight = minCropBoxWidth / aspectRatio;
          } else {
            minCropBoxWidth = minCropBoxHeight * aspectRatio;
          }
        } else if (minCropBoxWidth) {
          minCropBoxHeight = minCropBoxWidth / aspectRatio;
        } else if (minCropBoxHeight) {
          minCropBoxWidth = minCropBoxHeight * aspectRatio;
        }

        if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
          maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
        } else {
          maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
        }
      }

      // The minWidth/Height must be less than maxWidth/Height
      cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
      cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
      cropBoxData.maxWidth = maxCropBoxWidth;
      cropBoxData.maxHeight = maxCropBoxHeight;
    }

    if (positionLimited) {
      if (limited) {
        cropBoxData.minLeft = Math.max(0, canvasData.left);
        cropBoxData.minTop = Math.max(0, canvasData.top);
        cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width;
        cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height;
      } else {
        cropBoxData.minLeft = 0;
        cropBoxData.minTop = 0;
        cropBoxData.maxLeft = containerData.width - cropBoxData.width;
        cropBoxData.maxTop = containerData.height - cropBoxData.height;
      }
    }
  },
  renderCropBox: function renderCropBox() {
    var self = this;
    var options = self.options;
    var containerData = self.containerData;
    var cropBoxData = self.cropBoxData;

    if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) {
      cropBoxData.left = cropBoxData.oldLeft;
    }

    if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) {
      cropBoxData.top = cropBoxData.oldTop;
    }

    cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth);
    cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight);

    self.limitCropBox(false, true);

    cropBoxData.oldLeft = cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft);
    cropBoxData.oldTop = cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop);

    if (options.movable && options.cropBoxMovable) {
      // Turn to move the canvas when the crop box is equal to the container
      setData$1(self.face, 'action', cropBoxData.width === containerData.width && cropBoxData.height === containerData.height ? 'move' : 'all');
    }

    setStyle(self.cropBox, extend({
      width: cropBoxData.width,
      height: cropBoxData.height
    }, getTransforms({
      translateX: cropBoxData.left,
      translateY: cropBoxData.top
    })));

    if (self.cropped && self.limited) {
      self.limitCanvas(true, true);
    }

    if (!self.disabled) {
      self.output();
    }
  },
  output: function output() {
    var self = this;

    self.preview();

    if (self.complete) {
      dispatchEvent(self.element, 'crop', self.getData());
    }
  }
};

var DATA_PREVIEW = 'preview';

var preview$1 = {
  initPreview: function initPreview() {
    var self = this;
    var preview = self.options.preview;
    var image = createElement('img');
    var crossOrigin = self.crossOrigin;
    var url = crossOrigin ? self.crossOriginUrl : self.url;

    if (crossOrigin) {
      image.crossOrigin = crossOrigin;
    }

    image.src = url;
    appendChild(self.viewBox, image);
    self.image2 = image;

    if (!preview) {
      return;
    }

    var previews = preview.querySelector ? [preview] : document.querySelectorAll(preview);

    self.previews = previews;

    each(previews, function (element) {
      var img = createElement('img');

      // Save the original size for recover
      setData$1(element, DATA_PREVIEW, {
        width: element.offsetWidth,
        height: element.offsetHeight,
        html: element.innerHTML
      });

      if (crossOrigin) {
        img.crossOrigin = crossOrigin;
      }

      img.src = url;

      /**
       * Override img element styles
       * Add `display:block` to avoid margin top issue
       * Add `height:auto` to override `height` attribute on IE8
       * (Occur only when margin-top <= -height)
       */

      img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';

      empty(element);
      appendChild(element, img);
    });
  },
  resetPreview: function resetPreview() {
    each(this.previews, function (element) {
      var data = getData$1(element, DATA_PREVIEW);

      setStyle(element, {
        width: data.width,
        height: data.height
      });

      element.innerHTML = data.html;
      removeData(element, DATA_PREVIEW);
    });
  },
  preview: function preview() {
    var self = this;
    var imageData = self.imageData;
    var canvasData = self.canvasData;
    var cropBoxData = self.cropBoxData;
    var cropBoxWidth = cropBoxData.width;
    var cropBoxHeight = cropBoxData.height;
    var width = imageData.width;
    var height = imageData.height;
    var left = cropBoxData.left - canvasData.left - imageData.left;
    var top = cropBoxData.top - canvasData.top - imageData.top;

    if (!self.cropped || self.disabled) {
      return;
    }

    setStyle(self.image2, extend({
      width: width,
      height: height
    }, getTransforms(extend({
      translateX: -left,
      translateY: -top
    }, imageData))));

    each(self.previews, function (element) {
      var data = getData$1(element, DATA_PREVIEW);
      var originalWidth = data.width;
      var originalHeight = data.height;
      var newWidth = originalWidth;
      var newHeight = originalHeight;
      var ratio = 1;

      if (cropBoxWidth) {
        ratio = originalWidth / cropBoxWidth;
        newHeight = cropBoxHeight * ratio;
      }

      if (cropBoxHeight && newHeight > originalHeight) {
        ratio = originalHeight / cropBoxHeight;
        newWidth = cropBoxWidth * ratio;
        newHeight = originalHeight;
      }

      setStyle(element, {
        width: newWidth,
        height: newHeight
      });

      setStyle(getByTag(element, 'img')[0], extend({
        width: width * ratio,
        height: height * ratio
      }, getTransforms(extend({
        translateX: -left * ratio,
        translateY: -top * ratio
      }, imageData))));
    });
  }
};

// Globals
var PointerEvent = typeof window !== 'undefined' ? window.PointerEvent : null;

// Events
var EVENT_MOUSE_DOWN = PointerEvent ? 'pointerdown' : 'touchstart mousedown';
var EVENT_MOUSE_MOVE = PointerEvent ? 'pointermove' : 'touchmove mousemove';
var EVENT_MOUSE_UP = PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
var EVENT_DBLCLICK = 'dblclick';
var EVENT_RESIZE = 'resize';
var EVENT_CROP_START = 'cropstart';
var EVENT_CROP_MOVE = 'cropmove';
var EVENT_CROP_END = 'cropend';
var EVENT_CROP$1 = 'crop';
var EVENT_ZOOM = 'zoom';

var events = {
  bind: function bind() {
    var self = this;
    var options = self.options;
    var element = self.element;
    var cropper = self.cropper;

    if (isFunction(options.cropstart)) {
      addListener(element, EVENT_CROP_START, options.cropstart);
    }

    if (isFunction(options.cropmove)) {
      addListener(element, EVENT_CROP_MOVE, options.cropmove);
    }

    if (isFunction(options.cropend)) {
      addListener(element, EVENT_CROP_END, options.cropend);
    }

    if (isFunction(options.crop)) {
      addListener(element, EVENT_CROP$1, options.crop);
    }

    if (isFunction(options.zoom)) {
      addListener(element, EVENT_ZOOM, options.zoom);
    }

    addListener(cropper, EVENT_MOUSE_DOWN, self.onCropStart = proxy(self.cropStart, self));

    if (options.zoomable && options.zoomOnWheel) {
      addListener(cropper, EVENT_WHEEL, self.onWheel = proxy(self.wheel, self));
    }

    if (options.toggleDragModeOnDblclick) {
      addListener(cropper, EVENT_DBLCLICK, self.onDblclick = proxy(self.dblclick, self));
    }

    addListener(document, EVENT_MOUSE_MOVE, self.onCropMove = proxy(self.cropMove, self));
    addListener(document, EVENT_MOUSE_UP, self.onCropEnd = proxy(self.cropEnd, self));

    if (options.responsive) {
      addListener(window, EVENT_RESIZE, self.onResize = proxy(self.resize, self));
    }
  },
  unbind: function unbind() {
    var self = this;
    var options = self.options;
    var element = self.element;
    var cropper = self.cropper;

    if (isFunction(options.cropstart)) {
      removeListener(element, EVENT_CROP_START, options.cropstart);
    }

    if (isFunction(options.cropmove)) {
      removeListener(element, EVENT_CROP_MOVE, options.cropmove);
    }

    if (isFunction(options.cropend)) {
      removeListener(element, EVENT_CROP_END, options.cropend);
    }

    if (isFunction(options.crop)) {
      removeListener(element, EVENT_CROP$1, options.crop);
    }

    if (isFunction(options.zoom)) {
      removeListener(element, EVENT_ZOOM, options.zoom);
    }

    removeListener(cropper, EVENT_MOUSE_DOWN, self.onCropStart);

    if (options.zoomable && options.zoomOnWheel) {
      removeListener(cropper, EVENT_WHEEL, self.onWheel);
    }

    if (options.toggleDragModeOnDblclick) {
      removeListener(cropper, EVENT_DBLCLICK, self.onDblclick);
    }

    removeListener(document, EVENT_MOUSE_MOVE, self.onCropMove);
    removeListener(document, EVENT_MOUSE_UP, self.onCropEnd);

    if (options.responsive) {
      removeListener(window, EVENT_RESIZE, self.onResize);
    }
  }
};

var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;

function getPointer(_ref, endOnly) {
  var pageX = _ref.pageX,
      pageY = _ref.pageY;

  var end = {
    endX: pageX,
    endY: pageY
  };

  if (endOnly) {
    return end;
  }

  return extend({
    startX: pageX,
    startY: pageY
  }, end);
}

var handlers = {
  resize: function resize() {
    var self = this;
    var restore = self.options.restore;
    var container = self.container;
    var containerData = self.containerData;

    // Check `container` is necessary for IE8
    if (self.disabled || !containerData) {
      return;
    }

    var ratio = container.offsetWidth / containerData.width;
    var canvasData = void 0;
    var cropBoxData = void 0;

    // Resize when width changed or height changed
    if (ratio !== 1 || container.offsetHeight !== containerData.height) {
      if (restore) {
        canvasData = self.getCanvasData();
        cropBoxData = self.getCropBoxData();
      }

      self.render();

      if (restore) {
        self.setCanvasData(each(canvasData, function (n, i) {
          canvasData[i] = n * ratio;
        }));
        self.setCropBoxData(each(cropBoxData, function (n, i) {
          cropBoxData[i] = n * ratio;
        }));
      }
    }
  },
  dblclick: function dblclick() {
    var self = this;

    if (self.disabled) {
      return;
    }

    self.setDragMode(hasClass(self.dragBox, 'cropper-crop') ? 'move' : 'crop');
  },
  wheel: function wheel(event) {
    var self = this;
    var e = getEvent(event);
    var ratio = Number(self.options.wheelZoomRatio) || 0.1;
    var delta = 1;

    if (self.disabled) {
      return;
    }

    e.preventDefault();

    // Limit wheel speed to prevent zoom too fast (#21)
    if (self.wheeling) {
      return;
    }

    self.wheeling = true;

    setTimeout(function () {
      self.wheeling = false;
    }, 50);

    if (e.deltaY) {
      delta = e.deltaY > 0 ? 1 : -1;
    } else if (e.wheelDelta) {
      delta = -e.wheelDelta / 120;
    } else if (e.detail) {
      delta = e.detail > 0 ? 1 : -1;
    }

    self.zoom(-delta * ratio, e);
  },
  cropStart: function cropStart(event) {
    var self = this;

    if (self.disabled) {
      return;
    }

    var options = self.options;
    var pointers = self.pointers;
    var e = getEvent(event);
    var action = void 0;

    if (e.changedTouches) {
      // Handle touch event
      each(e.changedTouches, function (touch) {
        pointers[touch.identifier] = getPointer(touch);
      });
    } else {
      // Handle mouse event and pointer event
      pointers[e.pointerId || 0] = getPointer(e);
    }

    if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
      action = 'zoom';
    } else {
      action = getData$1(e.target, 'action');
    }

    if (REGEXP_ACTIONS.test(action)) {
      if (dispatchEvent(self.element, 'cropstart', {
        originalEvent: e,
        action: action
      }) === false) {
        return;
      }

      e.preventDefault();

      self.action = action;
      self.cropping = false;

      if (action === 'crop') {
        self.cropping = true;
        addClass(self.dragBox, 'cropper-modal');
      }
    }
  },
  cropMove: function cropMove(event) {
    var self = this;
    var action = self.action;

    if (self.disabled || !action) {
      return;
    }

    var pointers = self.pointers;
    var e = getEvent(event);

    e.preventDefault();

    if (dispatchEvent(self.element, 'cropmove', {
      originalEvent: e,
      action: action
    }) === false) {
      return;
    }

    if (e.changedTouches) {
      each(e.changedTouches, function (touch) {
        extend(pointers[touch.identifier], getPointer(touch, true));
      });
    } else {
      extend(pointers[e.pointerId || 0], getPointer(e, true));
    }

    self.change(e);
  },
  cropEnd: function cropEnd(event) {
    var self = this;
    var action = self.action;

    if (self.disabled || !action) {
      return;
    }

    var pointers = self.pointers;
    var e = getEvent(event);

    e.preventDefault();

    if (e.changedTouches) {
      each(e.changedTouches, function (touch) {
        delete pointers[touch.identifier];
      });
    } else {
      delete pointers[e.pointerId || 0];
    }

    if (!Object.keys(pointers).length) {
      self.action = '';
    }

    if (self.cropping) {
      self.cropping = false;
      toggleClass(self.dragBox, 'cropper-modal', self.cropped && this.options.modal);
    }

    dispatchEvent(self.element, 'cropend', {
      originalEvent: e,
      action: action
    });
  }
};

// Actions
var ACTION_EAST = 'e';
var ACTION_WEST = 'w';
var ACTION_SOUTH = 's';
var ACTION_NORTH = 'n';
var ACTION_SOUTH_EAST = 'se';
var ACTION_SOUTH_WEST = 'sw';
var ACTION_NORTH_EAST = 'ne';
var ACTION_NORTH_WEST = 'nw';

function getMaxZoomRatio(pointers) {
  var pointers2 = extend({}, pointers);
  var ratios = [];

  each(pointers, function (pointer, pointerId) {
    delete pointers2[pointerId];

    each(pointers2, function (pointer2) {
      var x1 = Math.abs(pointer.startX - pointer