diff options
Diffstat (limited to 'library/cropperjs/docs/js/cropper.js')
| -rw-r--r-- | library/cropperjs/docs/js/cropper.js | 6082 |
1 files changed, 2966 insertions, 3116 deletions
diff --git a/library/cropperjs/docs/js/cropper.js b/library/cropperjs/docs/js/cropper.js index 0e837953c..9bed97a52 100644 --- a/library/cropperjs/docs/js/cropper.js +++ b/library/cropperjs/docs/js/cropper.js @@ -1,198 +1,42 @@ /*! - * Cropper.js v1.2.2 - * https://github.com/fengyuanchen/cropperjs + * Cropper.js v1.5.7 + * https://fengyuanchen.github.io/cropperjs * - * Copyright (c) 2015-2018 Chen Fengyuan + * Copyright 2015-present Chen Fengyuan * Released under the MIT license * - * Date: 2018-01-03T13:27:18.062Z + * Date: 2020-05-23T05:23:00.081Z */ (function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global.Cropper = factory()); + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = global || self, global.Cropper = factory()); }(this, (function () { 'use strict'; -var WINDOW = typeof window !== 'undefined' ? window : {}; -var NAMESPACE = 'cropper'; - -// Actions -var ACTION_ALL = 'all'; -var ACTION_CROP = 'crop'; -var ACTION_MOVE = 'move'; -var ACTION_ZOOM = 'zoom'; -var ACTION_EAST = 'e'; -var ACTION_WEST = 'w'; -var ACTION_SOUTH = 's'; -var ACTION_NORTH = 'n'; -var ACTION_NORTH_EAST = 'ne'; -var ACTION_NORTH_WEST = 'nw'; -var ACTION_SOUTH_EAST = 'se'; -var ACTION_SOUTH_WEST = 'sw'; - -// Classes -var CLASS_CROP = NAMESPACE + '-crop'; -var CLASS_DISABLED = NAMESPACE + '-disabled'; -var CLASS_HIDDEN = NAMESPACE + '-hidden'; -var CLASS_HIDE = NAMESPACE + '-hide'; -var CLASS_INVISIBLE = NAMESPACE + '-invisible'; -var CLASS_MODAL = NAMESPACE + '-modal'; -var CLASS_MOVE = NAMESPACE + '-move'; - -// Data keys -var DATA_ACTION = 'action'; -var DATA_PREVIEW = 'preview'; - -// Drag modes -var DRAG_MODE_CROP = 'crop'; -var DRAG_MODE_MOVE = 'move'; -var DRAG_MODE_NONE = 'none'; - -// Events -var EVENT_CROP = 'crop'; -var EVENT_CROP_END = 'cropend'; -var EVENT_CROP_MOVE = 'cropmove'; -var EVENT_CROP_START = 'cropstart'; -var EVENT_DBLCLICK = 'dblclick'; -var EVENT_ERROR = 'error'; -var EVENT_LOAD = 'load'; -var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown'; -var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove'; -var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup'; -var EVENT_READY = 'ready'; -var EVENT_RESIZE = 'resize'; -var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll'; -var EVENT_ZOOM = 'zoom'; - -// RegExps -var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/; -var REGEXP_DATA_URL = /^data:/; -var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/; -var REGEXP_TAG_NAME = /^(img|canvas)$/i; - -var DEFAULTS = { - // Define the view mode of the cropper - viewMode: 0, // 0, 1, 2, 3 - - // Define the dragging mode of the cropper - dragMode: DRAG_MODE_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; -}; - - - - - - - - + function _typeof(obj) { + "@babel/helpers - typeof"; + if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { + _typeof = function (obj) { + return typeof obj; + }; + } else { + _typeof = function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; + }; + } + return _typeof(obj); + } -var classCallCheck = function (instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); + function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } } -}; -var createClass = function () { - function defineProperties(target, props) { + function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; @@ -202,2324 +46,2403 @@ var createClass = function () { } } - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); + function _createClass(Constructor, protoProps, staticProps) { + if (protoProps) _defineProperties(Constructor.prototype, protoProps); + if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; - }; -}(); - - - - - - - - - - - - - - - - - - - + } + function _defineProperty(obj, key, value) { + if (key in obj) { + Object.defineProperty(obj, key, { + value: value, + enumerable: true, + configurable: true, + writable: true + }); + } else { + obj[key] = value; + } + return obj; + } + function ownKeys(object, enumerableOnly) { + var keys = Object.keys(object); + if (Object.getOwnPropertySymbols) { + var symbols = Object.getOwnPropertySymbols(object); + if (enumerableOnly) symbols = symbols.filter(function (sym) { + return Object.getOwnPropertyDescriptor(object, sym).enumerable; + }); + keys.push.apply(keys, symbols); + } + return keys; + } + function _objectSpread2(target) { + for (var i = 1; i < arguments.length; i++) { + var source = arguments[i] != null ? arguments[i] : {}; + if (i % 2) { + ownKeys(Object(source), true).forEach(function (key) { + _defineProperty(target, key, source[key]); + }); + } else if (Object.getOwnPropertyDescriptors) { + Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); + } else { + ownKeys(Object(source)).forEach(function (key) { + Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); + }); + } + } + return target; + } + function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); + } + function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) return _arrayLikeToArray(arr); + } + function _iterableToArray(iter) { + if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); + } + function _unsupportedIterableToArray(o, minLen) { + if (!o) return; + if (typeof o === "string") return _arrayLikeToArray(o, minLen); + var n = Object.prototype.toString.call(o).slice(8, -1); + if (n === "Object" && o.constructor) n = o.constructor.name; + if (n === "Map" || n === "Set") return Array.from(o); + if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); + } + function _arrayLikeToArray(arr, len) { + if (len == null || len > arr.length) len = arr.length; + for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; + return arr2; + } + function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); + } + var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined'; + var WINDOW = IS_BROWSER ? window : {}; + var IS_TOUCH_DEVICE = IS_BROWSER && WINDOW.document.documentElement ? 'ontouchstart' in WINDOW.document.documentElement : false; + var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false; + var NAMESPACE = 'cropper'; // Actions + + var ACTION_ALL = 'all'; + var ACTION_CROP = 'crop'; + var ACTION_MOVE = 'move'; + var ACTION_ZOOM = 'zoom'; + var ACTION_EAST = 'e'; + var ACTION_WEST = 'w'; + var ACTION_SOUTH = 's'; + var ACTION_NORTH = 'n'; + var ACTION_NORTH_EAST = 'ne'; + var ACTION_NORTH_WEST = 'nw'; + var ACTION_SOUTH_EAST = 'se'; + var ACTION_SOUTH_WEST = 'sw'; // Classes + + var CLASS_CROP = "".concat(NAMESPACE, "-crop"); + var CLASS_DISABLED = "".concat(NAMESPACE, "-disabled"); + var CLASS_HIDDEN = "".concat(NAMESPACE, "-hidden"); + var CLASS_HIDE = "".concat(NAMESPACE, "-hide"); + var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible"); + var CLASS_MODAL = "".concat(NAMESPACE, "-modal"); + var CLASS_MOVE = "".concat(NAMESPACE, "-move"); // Data keys + + var DATA_ACTION = "".concat(NAMESPACE, "Action"); + var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes + + var DRAG_MODE_CROP = 'crop'; + var DRAG_MODE_MOVE = 'move'; + var DRAG_MODE_NONE = 'none'; // Events + + var EVENT_CROP = 'crop'; + var EVENT_CROP_END = 'cropend'; + var EVENT_CROP_MOVE = 'cropmove'; + var EVENT_CROP_START = 'cropstart'; + var EVENT_DBLCLICK = 'dblclick'; + var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown'; + var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove'; + var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup'; + var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START; + var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE; + var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END; + var EVENT_READY = 'ready'; + var EVENT_RESIZE = 'resize'; + var EVENT_WHEEL = 'wheel'; + var EVENT_ZOOM = 'zoom'; // Mime types + + var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps + + var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/; + var REGEXP_DATA_URL = /^data:/; + var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/; + var REGEXP_TAG_NAME = /^img|canvas$/i; // Misc + + var DEFAULTS = { + // Define the view mode of the cropper + viewMode: 0, + // 0, 1, 2, 3 + // Define the dragging mode of the cropper + dragMode: DRAG_MODE_CROP, + // 'crop', 'move' or 'none' + // Define the initial aspect ratio of the crop box + initialAspectRatio: NaN, + // 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" touch-action="none">' + '<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-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>'; + /** + * Check if the given value is not a number. + */ + var isNaN = Number.isNaN || WINDOW.isNaN; + /** + * Check if the given value is a number. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a number, else `false`. + */ + function isNumber(value) { + return typeof value === 'number' && !isNaN(value); + } + /** + * Check if the given value is a positive number. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a positive number, else `false`. + */ -var toConsumableArray = function (arr) { - if (Array.isArray(arr)) { - for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; + var isPositiveNumber = function isPositiveNumber(value) { + return value > 0 && value < Infinity; + }; + /** + * Check if the given value is undefined. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is undefined, else `false`. + */ - return arr2; - } else { - return Array.from(arr); + function isUndefined(value) { + return typeof value === 'undefined'; } -}; - -/** - * Check if the given value is not a number. - */ -var isNaN = Number.isNaN || WINDOW.isNaN; + /** + * Check if the given value is an object. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is an object, else `false`. + */ -/** - * Check if the given value is a number. - * @param {*} value - The value to check. - * @returns {boolean} Returns `true` if the given value is a number, else `false`. - */ -function isNumber(value) { - return typeof value === 'number' && !isNaN(value); -} - -/** - * Check if the given value is undefined. - * @param {*} value - The value to check. - * @returns {boolean} Returns `true` if the given value is undefined, else `false`. - */ -function isUndefined(value) { - return typeof value === 'undefined'; -} - -/** - * Check if the given value is an object. - * @param {*} value - The value to check. - * @returns {boolean} Returns `true` if the given value is an object, else `false`. - */ -function isObject(value) { - return (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && value !== null; -} + function isObject(value) { + return _typeof(value) === 'object' && value !== null; + } + var hasOwnProperty = Object.prototype.hasOwnProperty; + /** + * Check if the given value is a plain object. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a plain object, else `false`. + */ -var hasOwnProperty = Object.prototype.hasOwnProperty; + function isPlainObject(value) { + if (!isObject(value)) { + return false; + } -/** - * Check if the given value is a plain object. - * @param {*} value - The value to check. - * @returns {boolean} Returns `true` if the given value is a plain object, else `false`. - */ + try { + var _constructor = value.constructor; + var prototype = _constructor.prototype; + return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf'); + } catch (error) { + return false; + } + } + /** + * Check if the given value is a function. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a function, else `false`. + */ -function isPlainObject(value) { - if (!isObject(value)) { - return false; + function isFunction(value) { + return typeof value === 'function'; } + var slice = Array.prototype.slice; + /** + * Convert array-like or iterable object to an array. + * @param {*} value - The value to convert. + * @returns {Array} Returns a new array. + */ - try { - var _constructor = value.constructor; - var prototype = _constructor.prototype; + function toArray(value) { + return Array.from ? Array.from(value) : slice.call(value); + } + /** + * Iterate the given data. + * @param {*} data - The data to iterate. + * @param {Function} callback - The process function for each element. + * @returns {*} The original data. + */ + function forEach(data, callback) { + if (data && isFunction(callback)) { + if (Array.isArray(data) || isNumber(data.length) + /* array-like */ + ) { + toArray(data).forEach(function (value, key) { + callback.call(data, value, key, data); + }); + } else if (isObject(data)) { + Object.keys(data).forEach(function (key) { + callback.call(data, data[key], key, data); + }); + } + } - return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf'); - } catch (e) { - return false; + return data; } -} - -/** - * Check if the given value is a function. - * @param {*} value - The value to check. - * @returns {boolean} Returns `true` if the given value is a function, else `false`. - */ -function isFunction(value) { - return typeof value === 'function'; -} - -/** - * Iterate the given data. - * @param {*} data - The data to iterate. - * @param {Function} callback - The process function for each element. - * @returns {*} The original data. - */ -function each(data, callback) { - if (data && isFunction(callback)) { - if (Array.isArray(data) || isNumber(data.length) /* array-like */) { - var length = data.length; + /** + * Extend the given object. + * @param {*} target - The target object to extend. + * @param {*} args - The rest objects for merging to the target object. + * @returns {Object} The extended object. + */ - var i = void 0; + var assign = Object.assign || function assign(target) { + for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } - for (i = 0; i < length; i += 1) { - if (callback.call(data, data[i], i, data) === false) { - break; - } + if (isObject(target) && args.length > 0) { + args.forEach(function (arg) { + if (isObject(arg)) { + Object.keys(arg).forEach(function (key) { + target[key] = arg[key]; + }); } - } else if (isObject(data)) { - Object.keys(data).forEach(function (key) { - callback.call(data, data[key], key, data); }); } - } - return data; -} + return target; + }; + var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/; + /** + * Normalize decimal number. + * Check out {@link https://0.30000000000000004.com/} + * @param {number} value - The value to normalize. + * @param {number} [times=100000000000] - The times for normalizing. + * @returns {number} Returns the normalized number. + */ -/** - * Extend the given object. - * @param {*} obj - The object to be extended. - * @param {*} args - The rest objects which will be merged to the first object. - * @returns {Object} The extended object. - */ -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]; + function normalizeDecimalNumber(value) { + var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000; + return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value; } + var REGEXP_SUFFIX = /^width|height|left|top|marginLeft|marginTop$/; + /** + * Apply styles to the given element. + * @param {Element} element - The target element. + * @param {Object} styles - The styles for applying. + */ - if (isObject(obj) && args.length > 0) { - if (Object.assign) { - return Object.assign.apply(Object, [obj].concat(args)); - } - - args.forEach(function (arg) { - if (isObject(arg)) { - Object.keys(arg).forEach(function (key) { - obj[key] = arg[key]; - }); + function setStyle(element, styles) { + var style = element.style; + forEach(styles, function (value, property) { + if (REGEXP_SUFFIX.test(property) && isNumber(value)) { + value = "".concat(value, "px"); } + + style[property] = value; }); } + /** + * Check if the given element has a special class. + * @param {Element} element - The element to check. + * @param {string} value - The class to search. + * @returns {boolean} Returns `true` if the special class was found. + */ - return obj; -} - -/** - * Takes a function and returns a new one that will always have a particular context. - * @param {Function} fn - The target function. - * @param {Object} context - The new context for the function. - * @returns {boolean} The new function. - */ -function proxy(fn, context) { - for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) { - args[_key2 - 2] = arguments[_key2]; + function hasClass(element, value) { + return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1; } + /** + * Add classes to the given element. + * @param {Element} element - The target element. + * @param {string} value - The classes to be added. + */ - return function () { - for (var _len3 = arguments.length, args2 = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { - args2[_key3] = arguments[_key3]; + function addClass(element, value) { + if (!value) { + return; } - return fn.apply(context, args.concat(args2)); - }; -} - -var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i; - -/** - * Normalize decimal number. - * Check out {@link http://0.30000000000000004.com/ } - * @param {number} value - The value to normalize. - * @param {number} [times=100000000000] - The times for normalizing. - * @returns {number} Returns the normalized number. - */ -function normalizeDecimalNumber(value) { - var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000; - - return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value; -} + if (isNumber(element.length)) { + forEach(element, function (elem) { + addClass(elem, value); + }); + return; + } -var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/; + if (element.classList) { + element.classList.add(value); + return; + } -/** - * Apply styles to the given element. - * @param {Element} element - The target element. - * @param {Object} styles - The styles for applying. - */ -function setStyle(element, styles) { - var style = element.style; + var className = element.className.trim(); + if (!className) { + element.className = value; + } else if (className.indexOf(value) < 0) { + element.className = "".concat(className, " ").concat(value); + } + } + /** + * Remove classes from the given element. + * @param {Element} element - The target element. + * @param {string} value - The classes to be removed. + */ - each(styles, function (value, property) { - if (REGEXP_SUFFIX.test(property) && isNumber(value)) { - value += 'px'; + function removeClass(element, value) { + if (!value) { + return; } - style[property] = value; - }); -} + if (isNumber(element.length)) { + forEach(element, function (elem) { + removeClass(elem, value); + }); + return; + } -/** - * Check if the given element has a special class. - * @param {Element} element - The element to check. - * @param {string} value - The class to search. - * @returns {boolean} Returns `true` if the special class was found. - */ -function hasClass(element, value) { - return element.classList ? element.classList.contains(value) : element.className.indexOf(value) > -1; -} - -/** - * Add classes to the given element. - * @param {Element} element - The target element. - * @param {string} value - The classes to be added. - */ -function addClass(element, value) { - if (!value) { - return; - } + if (element.classList) { + element.classList.remove(value); + return; + } - if (isNumber(element.length)) { - each(element, function (elem) { - addClass(elem, value); - }); - return; + if (element.className.indexOf(value) >= 0) { + element.className = element.className.replace(value, ''); + } } + /** + * Add or remove classes from the given element. + * @param {Element} element - The target element. + * @param {string} value - The classes to be toggled. + * @param {boolean} added - Add only. + */ - if (element.classList) { - element.classList.add(value); - return; - } + function toggleClass(element, value, added) { + if (!value) { + return; + } - var className = element.className.trim(); + if (isNumber(element.length)) { + forEach(element, function (elem) { + toggleClass(elem, value, added); + }); + return; + } // IE10-11 doesn't support the second parameter of `classList.toggle` - if (!className) { - element.className = value; - } else if (className.indexOf(value) < 0) { - element.className = className + ' ' + value; - } -} -/** - * Remove classes from the given element. - * @param {Element} element - The target element. - * @param {string} value - The classes to be removed. - */ -function removeClass(element, value) { - if (!value) { - return; + if (added) { + addClass(element, value); + } else { + removeClass(element, value); + } } + var REGEXP_CAMEL_CASE = /([a-z\d])([A-Z])/g; + /** + * Transform the given string from camelCase to kebab-case + * @param {string} value - The value to transform. + * @returns {string} The transformed value. + */ - if (isNumber(element.length)) { - each(element, function (elem) { - removeClass(elem, value); - }); - return; + function toParamCase(value) { + return value.replace(REGEXP_CAMEL_CASE, '$1-$2').toLowerCase(); } + /** + * Get data from the given element. + * @param {Element} element - The target element. + * @param {string} name - The data key to get. + * @returns {string} The data value. + */ - if (element.classList) { - element.classList.remove(value); - return; - } + function getData(element, name) { + if (isObject(element[name])) { + return element[name]; + } - if (element.className.indexOf(value) >= 0) { - element.className = element.className.replace(value, ''); - } -} + if (element.dataset) { + return element.dataset[name]; + } -/** - * Add or remove classes from the given element. - * @param {Element} element - The target element. - * @param {string} value - The classes to be toggled. - * @param {boolean} added - Add only. - */ -function toggleClass(element, value, added) { - if (!value) { - return; + return element.getAttribute("data-".concat(toParamCase(name))); } + /** + * Set data to the given element. + * @param {Element} element - The target element. + * @param {string} name - The data key to set. + * @param {string} data - The data value. + */ - if (isNumber(element.length)) { - each(element, function (elem) { - toggleClass(elem, value, added); - }); - return; + function setData(element, name, data) { + if (isObject(data)) { + element[name] = data; + } else if (element.dataset) { + element.dataset[name] = data; + } else { + element.setAttribute("data-".concat(toParamCase(name)), data); + } } + /** + * Remove data from the given element. + * @param {Element} element - The target element. + * @param {string} name - The data key to remove. + */ - // IE10-11 doesn't support the second parameter of `classList.toggle` - if (added) { - addClass(element, value); - } else { - removeClass(element, value); + function removeData(element, name) { + if (isObject(element[name])) { + try { + delete element[name]; + } catch (error) { + element[name] = undefined; + } + } else if (element.dataset) { + // #128 Safari not allows to delete dataset property + try { + delete element.dataset[name]; + } catch (error) { + element.dataset[name] = undefined; + } + } else { + element.removeAttribute("data-".concat(toParamCase(name))); + } } -} + var REGEXP_SPACES = /\s\s*/; -var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g; + var onceSupported = function () { + var supported = false; -/** - * Hyphenate the given value. - * @param {string} value - The value to hyphenate. - * @returns {string} The hyphenated value. - */ -function hyphenate(value) { - return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase(); -} - -/** - * Get data from the given element. - * @param {Element} element - The target element. - * @param {string} name - The data key to get. - * @returns {string} The data value. - */ -function getData(element, name) { - if (isObject(element[name])) { - return element[name]; - } else if (element.dataset) { - return element.dataset[name]; - } + if (IS_BROWSER) { + var once = false; - return element.getAttribute('data-' + hyphenate(name)); -} + var listener = function listener() {}; -/** - * Set data to the given element. - * @param {Element} element - The target element. - * @param {string} name - The data key to set. - * @param {string} data - The data value. - */ -function setData(element, name, data) { - if (isObject(data)) { - element[name] = data; - } else if (element.dataset) { - element.dataset[name] = data; - } else { - element.setAttribute('data-' + hyphenate(name), data); - } -} + var options = Object.defineProperty({}, 'once', { + get: function get() { + supported = true; + return once; + }, -/** - * Remove data from the given element. - * @param {Element} element - The target element. - * @param {string} name - The data key to remove. - */ -function removeData(element, name) { - if (isObject(element[name])) { - try { - delete element[name]; - } catch (e) { - element[name] = null; - } - } else if (element.dataset) { - // #128 Safari not allows to delete dataset property - try { - delete element.dataset[name]; - } catch (e) { - element.dataset[name] = null; + /** + * This setter can fix a `TypeError` in strict mode + * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only} + * @param {boolean} value - The value to set + */ + set: function set(value) { + once = value; + } + }); + WINDOW.addEventListener('test', listener, options); + WINDOW.removeEventListener('test', listener, options); } - } else { - element.removeAttribute('data-' + hyphenate(name)); - } -} -var REGEXP_SPACES = /\s+/; + return supported; + }(); + /** + * Remove event listener from the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Function} listener - The event listener. + * @param {Object} options - The event options. + */ -/** - * Remove event listener from the target element. - * @param {Element} element - The event target. - * @param {string} type - The event type(s). - * @param {Function} listener - The event listener. - * @param {Object} options - The event options. - */ -function removeListener(element, type, listener) { - var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; - if (!isFunction(listener)) { - return; - } + function removeListener(element, type, listener) { + var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + var handler = listener; + type.trim().split(REGEXP_SPACES).forEach(function (event) { + if (!onceSupported) { + var listeners = element.listeners; + + if (listeners && listeners[event] && listeners[event][listener]) { + handler = listeners[event][listener]; + delete listeners[event][listener]; - var types = type.trim().split(REGEXP_SPACES); + if (Object.keys(listeners[event]).length === 0) { + delete listeners[event]; + } - if (types.length > 1) { - each(types, function (t) { - removeListener(element, t, listener, options); + if (Object.keys(listeners).length === 0) { + delete element.listeners; + } + } + } + + element.removeEventListener(event, handler, options); }); - return; } + /** + * Add event listener to the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Function} listener - The event listener. + * @param {Object} options - The event options. + */ - if (element.removeEventListener) { - element.removeEventListener(type, listener, options); - } else if (element.detachEvent) { - element.detachEvent('on' + type, listener); - } -} - -/** - * Add event listener to the target element. - * @param {Element} element - The event target. - * @param {string} type - The event type(s). - * @param {Function} listener - The event listener. - * @param {Object} options - The event options. - */ -function addListener(element, type, _listener) { - var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + function addListener(element, type, listener) { + var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + var _handler = listener; + type.trim().split(REGEXP_SPACES).forEach(function (event) { + if (options.once && !onceSupported) { + var _element$listeners = element.listeners, + listeners = _element$listeners === void 0 ? {} : _element$listeners; - if (!isFunction(_listener)) { - return; - } + _handler = function handler() { + delete listeners[event][listener]; + element.removeEventListener(event, _handler, options); - var types = type.trim().split(REGEXP_SPACES); + for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { + args[_key2] = arguments[_key2]; + } - if (types.length > 1) { - each(types, function (t) { - addListener(element, t, _listener, options); - }); - return; - } + listener.apply(element, args); + }; - if (options.once) { - var originalListener = _listener; + if (!listeners[event]) { + listeners[event] = {}; + } + + if (listeners[event][listener]) { + element.removeEventListener(event, listeners[event][listener], options); + } - _listener = function listener() { - for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { - args[_key4] = arguments[_key4]; + listeners[event][listener] = _handler; + element.listeners = listeners; } - removeListener(element, type, _listener, options); - return originalListener.apply(element, args); - }; + element.addEventListener(event, _handler, options); + }); } + /** + * Dispatch event on the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Object} data - The additional event data. + * @returns {boolean} Indicate if the event is default prevented or not. + */ - if (element.addEventListener) { - element.addEventListener(type, _listener, options); - } else if (element.attachEvent) { - element.attachEvent('on' + type, _listener); - } -} - -/** - * Dispatch event on the target element. - * @param {Element} element - The event target. - * @param {string} type - The event type(s). - * @param {Object} data - The additional event data. - * @returns {boolean} Indicate if the event is default prevented or not. - */ -function dispatchEvent(element, type, data) { - if (element.dispatchEvent) { - var event = void 0; + function dispatchEvent(element, type, data) { + var event; // Event and CustomEvent on IE9-11 are global objects, not constructors - // 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); + event = new CustomEvent(type, { + detail: data, + bubbles: true, + cancelable: 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); } + /** + * Get the offset base on the document. + * @param {Element} element - The target element. + * @returns {Object} The offset data. + */ - return true; -} - -/** - * Get the offset base on the document. - * @param {Element} element - The target element. - * @returns {Object} The offset data. - */ -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)) - }; -} - -/** - * Empty an element. - * @param {Element} element - The element to empty. - */ -function empty(element) { - while (element.firstChild) { - element.removeChild(element.firstChild); + function getOffset(element) { + var box = element.getBoundingClientRect(); + return { + left: box.left + (window.pageXOffset - document.documentElement.clientLeft), + top: box.top + (window.pageYOffset - document.documentElement.clientTop) + }; } -} + var location = WINDOW.location; + var REGEXP_ORIGINS = /^(\w+:)\/\/([^:/?#]*):?(\d*)/i; + /** + * Check if the given URL is a cross origin URL. + * @param {string} url - The target URL. + * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`. + */ -var location = WINDOW.location; + function isCrossOriginURL(url) { + var parts = url.match(REGEXP_ORIGINS); + return parts !== null && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port); + } + /** + * Add timestamp to the given URL. + * @param {string} url - The target URL. + * @returns {string} The result URL. + */ -var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i; + function addTimestamp(url) { + var timestamp = "timestamp=".concat(new Date().getTime()); + return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp; + } + /** + * Get transforms base on the given object. + * @param {Object} obj - The target object. + * @returns {string} A string contains transform values. + */ -/** - * Check if the given URL is a cross origin URL. - * @param {string} url - The target URL. - * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`. - */ -function isCrossOriginURL(url) { - var parts = url.match(REGEXP_ORIGINS); + function getTransforms(_ref) { + var rotate = _ref.rotate, + scaleX = _ref.scaleX, + scaleY = _ref.scaleY, + translateX = _ref.translateX, + translateY = _ref.translateY; + var values = []; - return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port); -} + if (isNumber(translateX) && translateX !== 0) { + values.push("translateX(".concat(translateX, "px)")); + } -/** - * Add timestamp to the given URL. - * @param {string} url - The target URL. - * @returns {string} The result URL. - */ -function addTimestamp(url) { - var timestamp = 'timestamp=' + new Date().getTime(); + if (isNumber(translateY) && translateY !== 0) { + values.push("translateY(".concat(translateY, "px)")); + } // Rotate should come first before scale to match orientation transform - return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp; -} -/** - * Get transforms base on the given object. - * @param {Object} obj - The target object. - * @returns {string} A string contains transform values. - */ -function getTransforms(_ref) { - var rotate = _ref.rotate, - scaleX = _ref.scaleX, - scaleY = _ref.scaleY, - translateX = _ref.translateX, - translateY = _ref.translateY; + if (isNumber(rotate) && rotate !== 0) { + values.push("rotate(".concat(rotate, "deg)")); + } - var values = []; + if (isNumber(scaleX) && scaleX !== 1) { + values.push("scaleX(".concat(scaleX, ")")); + } - if (isNumber(translateX) && translateX !== 0) { - values.push('translateX(' + translateX + 'px)'); - } + if (isNumber(scaleY) && scaleY !== 1) { + values.push("scaleY(".concat(scaleY, ")")); + } - if (isNumber(translateY) && translateY !== 0) { - values.push('translateY(' + translateY + 'px)'); + var transform = values.length ? values.join(' ') : 'none'; + return { + WebkitTransform: transform, + msTransform: transform, + transform: transform + }; } + /** + * Get the max ratio of a group of pointers. + * @param {string} pointers - The target pointers. + * @returns {number} The result ratio. + */ - // Rotate should come first before scale to match orientation transform - if (isNumber(rotate) && rotate !== 0) { - values.push('rotate(' + rotate + 'deg)'); + function getMaxZoomRatio(pointers) { + var pointers2 = _objectSpread2({}, pointers); + + var ratios = []; + forEach(pointers, function (pointer, pointerId) { + delete pointers2[pointerId]; + forEach(pointers2, function (pointer2) { + var x1 = Math.abs(pointer.startX - pointer2.startX); + var y1 = Math.abs(pointer.startY - pointer2.startY); + var x2 = Math.abs(pointer.endX - pointer2.endX); + var y2 = Math.abs(pointer.endY - pointer2.endY); + var z1 = Math.sqrt(x1 * x1 + y1 * y1); + var z2 = Math.sqrt(x2 * x2 + y2 * y2); + var ratio = (z2 - z1) / z1; + ratios.push(ratio); + }); + }); + ratios.sort(function (a, b) { + return Math.abs(a) < Math.abs(b); + }); + return ratios[0]; } + /** + * Get a pointer from an event object. + * @param {Object} event - The target event object. + * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not. + * @returns {Object} The result pointer contains start and/or end point coordinates. + */ - if (isNumber(scaleX) && scaleX !== 1) { - values.push('scaleX(' + scaleX + ')'); + function getPointer(_ref2, endOnly) { + var pageX = _ref2.pageX, + pageY = _ref2.pageY; + var end = { + endX: pageX, + endY: pageY + }; + return endOnly ? end : _objectSpread2({ + startX: pageX, + startY: pageY + }, end); } + /** + * Get the center point coordinate of a group of pointers. + * @param {Object} pointers - The target pointers. + * @returns {Object} The center point coordinate. + */ - if (isNumber(scaleY) && scaleY !== 1) { - values.push('scaleY(' + scaleY + ')'); + function getPointersCenter(pointers) { + var pageX = 0; + var pageY = 0; + var count = 0; + forEach(pointers, function (_ref3) { + var startX = _ref3.startX, + startY = _ref3.startY; + pageX += startX; + pageY += startY; + count += 1; + }); + pageX /= count; + pageY /= count; + return { + pageX: pageX, + pageY: pageY + }; } + /** + * Get the max sizes in a rectangle under the given aspect ratio. + * @param {Object} data - The original sizes. + * @param {string} [type='contain'] - The adjust type. + * @returns {Object} The result sizes. + */ - var transform = values.length ? values.join(' ') : 'none'; - - return { - WebkitTransform: transform, - msTransform: transform, - transform: transform - }; -} + function getAdjustedSizes(_ref4) // or 'cover' + { + var aspectRatio = _ref4.aspectRatio, + height = _ref4.height, + width = _ref4.width; + var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain'; + var isValidWidth = isPositiveNumber(width); + var isValidHeight = isPositiveNumber(height); -var navigator = WINDOW.navigator; + if (isValidWidth && isValidHeight) { + var adjustedWidth = height * aspectRatio; -var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent); + if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) { + height = width / aspectRatio; + } else { + width = height * aspectRatio; + } + } else if (isValidWidth) { + height = width / aspectRatio; + } else if (isValidHeight) { + width = height * aspectRatio; + } -/** - * Get an image's natural sizes. - * @param {string} image - The target image. - * @param {Function} callback - The callback function. - */ -function getImageNaturalSizes(image, callback) { - // Modern browsers (except Safari) - if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) { - callback(image.naturalWidth, image.naturalHeight); - return; + return { + width: width, + height: height + }; } + /** + * Get the new sizes of a rectangle after rotated. + * @param {Object} data - The original sizes. + * @returns {Object} The result sizes. + */ - var newImage = document.createElement('img'); - var body = document.body || document.documentElement; - - newImage.onload = function () { - callback(newImage.width, newImage.height); + function getRotatedSizes(_ref5) { + var width = _ref5.width, + height = _ref5.height, + degree = _ref5.degree; + degree = Math.abs(degree) % 180; - if (!IS_SAFARI_OR_UIWEBVIEW) { - body.removeChild(newImage); + if (degree === 90) { + return { + width: height, + height: width + }; } - }; - - newImage.src = image.src; - // iOS Safari will convert the image automatically - // with its orientation once append it into DOM (#279) - if (!IS_SAFARI_OR_UIWEBVIEW) { - newImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;'; - body.appendChild(newImage); + var arc = degree % 90 * Math.PI / 180; + var sinArc = Math.sin(arc); + var cosArc = Math.cos(arc); + var newWidth = width * cosArc + height * sinArc; + var newHeight = width * sinArc + height * cosArc; + return degree > 90 ? { + width: newHeight, + height: newWidth + } : { + width: newWidth, + height: newHeight + }; } -} + /** + * Get a canvas which drew the given image. + * @param {HTMLImageElement} image - The image for drawing. + * @param {Object} imageData - The image data. + * @param {Object} canvasData - The canvas data. + * @param {Object} options - The options. + * @returns {HTMLCanvasElement} The result canvas. + */ -/** - * Get the max ratio of a group of pointers. - * @param {string} pointers - The target pointers. - * @returns {number} The result ratio. - */ -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 - pointer2.startX); - var y1 = Math.abs(pointer.startY - pointer2.startY); - var x2 = Math.abs(pointer.endX - pointer2.endX); - var y2 = Math.abs(pointer.endY - pointer2.endY); - var z1 = Math.sqrt(x1 * x1 + y1 * y1); - var z2 = Math.sqrt(x2 * x2 + y2 * y2); - var ratio = (z2 - z1) / z1; - - ratios.push(ratio); + function getSourceCanvas(image, _ref6, _ref7, _ref8) { + var imageAspectRatio = _ref6.aspectRatio, + imageNaturalWidth = _ref6.naturalWidth, + imageNaturalHeight = _ref6.naturalHeight, + _ref6$rotate = _ref6.rotate, + rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate, + _ref6$scaleX = _ref6.scaleX, + scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX, + _ref6$scaleY = _ref6.scaleY, + scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY; + var aspectRatio = _ref7.aspectRatio, + naturalWidth = _ref7.naturalWidth, + naturalHeight = _ref7.naturalHeight; + var _ref8$fillColor = _ref8.fillColor, + fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor, + _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled, + imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE, + _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality, + imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ, + _ref8$maxWidth = _ref8.maxWidth, + maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth, + _ref8$maxHeight = _ref8.maxHeight, + maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight, + _ref8$minWidth = _ref8.minWidth, + minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth, + _ref8$minHeight = _ref8.minHeight, + minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight; + var canvas = document.createElement('canvas'); + var context = canvas.getContext('2d'); + var maxSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: maxWidth, + height: maxHeight }); - }); - - ratios.sort(function (a, b) { - return Math.abs(a) < Math.abs(b); - }); - - return ratios[0]; -} - -/** - * Get a pointer from an event object. - * @param {Object} event - The target event object. - * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not. - * @returns {Object} The result pointer contains start and/or end point coordinates. - */ -function getPointer(_ref2, endOnly) { - var pageX = _ref2.pageX, - pageY = _ref2.pageY; - - var end = { - endX: pageX, - endY: pageY - }; - - if (endOnly) { - return end; + var minSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: minWidth, + height: minHeight + }, 'cover'); + var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth)); + var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); // Note: should always use image's natural sizes for drawing as + // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90 + + var destMaxSizes = getAdjustedSizes({ + aspectRatio: imageAspectRatio, + width: maxWidth, + height: maxHeight + }); + var destMinSizes = getAdjustedSizes({ + aspectRatio: imageAspectRatio, + width: minWidth, + height: minHeight + }, 'cover'); + var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth)); + var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight)); + var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight]; + canvas.width = normalizeDecimalNumber(width); + canvas.height = normalizeDecimalNumber(height); + context.fillStyle = fillColor; + context.fillRect(0, 0, width, height); + context.save(); + context.translate(width / 2, height / 2); + context.rotate(rotate * Math.PI / 180); + context.scale(scaleX, scaleY); + context.imageSmoothingEnabled = imageSmoothingEnabled; + context.imageSmoothingQuality = imageSmoothingQuality; + context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(function (param) { + return Math.floor(normalizeDecimalNumber(param)); + })))); + context.restore(); + return canvas; } + var fromCharCode = String.fromCharCode; + /** + * Get string from char code in data view. + * @param {DataView} dataView - The data view for read. + * @param {number} start - The start index. + * @param {number} length - The read length. + * @returns {string} The read result. + */ - return extend({ - startX: pageX, - startY: pageY - }, end); -} - -/** - * Get the center point coordinate of a group of pointers. - * @param {Object} pointers - The target pointers. - * @returns {Object} The center point coordinate. - */ -function getPointersCenter(pointers) { - var pageX = 0; - var pageY = 0; - var count = 0; - - each(pointers, function (_ref3) { - var startX = _ref3.startX, - startY = _ref3.startY; - - pageX += startX; - pageY += startY; - count += 1; - }); - - pageX /= count; - pageY /= count; - - return { - pageX: pageX, - pageY: pageY - }; -} - -/** - * Check if the given value is a finite number. - */ -var isFinite = Number.isFinite || WINDOW.isFinite; - -/** - * Get the max sizes in a rectangle under the given aspect ratio. - * @param {Object} data - The original sizes. - * @returns {Object} The result sizes. - */ -function getContainSizes(_ref4) { - var aspectRatio = _ref4.aspectRatio, - height = _ref4.height, - width = _ref4.width; - - var isValidNumber = function isValidNumber(value) { - return isFinite(value) && value > 0; - }; + function getStringFromCharCode(dataView, start, length) { + var str = ''; + length += start; - if (isValidNumber(width) && isValidNumber(height)) { - if (height * aspectRatio > width) { - height = width / aspectRatio; - } else { - width = height * aspectRatio; + for (var i = start; i < length; i += 1) { + str += fromCharCode(dataView.getUint8(i)); } - } else if (isValidNumber(width)) { - height = width / aspectRatio; - } else if (isValidNumber(height)) { - width = height * aspectRatio; - } - - return { - width: width, - height: height - }; -} -/** - * Get the new sizes of a rectangle after rotated. - * @param {Object} data - The original sizes. - * @returns {Object} The result sizes. - */ -function getRotatedSizes(_ref5) { - var width = _ref5.width, - height = _ref5.height, - degree = _ref5.degree; - - degree = Math.abs(degree) % 180; + return str; + } + var REGEXP_DATA_URL_HEAD = /^data:.*,/; + /** + * Transform Data URL to array buffer. + * @param {string} dataURL - The Data URL to transform. + * @returns {ArrayBuffer} The result array buffer. + */ - if (degree === 90) { - return { - width: height, - height: width - }; + function dataURLToArrayBuffer(dataURL) { + var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, ''); + var binary = atob(base64); + var arrayBuffer = new ArrayBuffer(binary.length); + var uint8 = new Uint8Array(arrayBuffer); + forEach(uint8, function (value, i) { + uint8[i] = binary.charCodeAt(i); + }); + return arrayBuffer; } + /** + * Transform array buffer to Data URL. + * @param {ArrayBuffer} arrayBuffer - The array buffer to transform. + * @param {string} mimeType - The mime type of the Data URL. + * @returns {string} The result Data URL. + */ - var arc = degree % 90 * Math.PI / 180; - var sinArc = Math.sin(arc); - var cosArc = Math.cos(arc); - var newWidth = width * cosArc + height * sinArc; - var newHeight = width * sinArc + height * cosArc; - - return degree > 90 ? { - width: newHeight, - height: newWidth - } : { - width: newWidth, - height: newHeight - }; -} - -/** - * Get a canvas which drew the given image. - * @param {HTMLImageElement} image - The image for drawing. - * @param {Object} imageData - The image data. - * @param {Object} canvasData - The canvas data. - * @param {Object} options - The options. - * @returns {HTMLCanvasElement} The result canvas. - */ -function getSourceCanvas(image, _ref6, _ref7, _ref8) { - var imageNaturalWidth = _ref6.naturalWidth, - imageNaturalHeight = _ref6.naturalHeight, - _ref6$rotate = _ref6.rotate, - rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate, - _ref6$scaleX = _ref6.scaleX, - scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX, - _ref6$scaleY = _ref6.scaleY, - scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY; - var aspectRatio = _ref7.aspectRatio, - naturalWidth = _ref7.naturalWidth, - naturalHeight = _ref7.naturalHeight; - var _ref8$fillColor = _ref8.fillColor, - fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor, - _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled, - imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE, - _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality, - imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ, - _ref8$maxWidth = _ref8.maxWidth, - maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth, - _ref8$maxHeight = _ref8.maxHeight, - maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight, - _ref8$minWidth = _ref8.minWidth, - minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth, - _ref8$minHeight = _ref8.minHeight, - minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight; - - var canvas = document.createElement('canvas'); - var context = canvas.getContext('2d'); - var maxSizes = getContainSizes({ - aspectRatio: aspectRatio, - width: maxWidth, - height: maxHeight - }); - var minSizes = getContainSizes({ - aspectRatio: aspectRatio, - width: minWidth, - height: minHeight - }); - var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth)); - var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); - var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight]; - - canvas.width = normalizeDecimalNumber(width); - canvas.height = normalizeDecimalNumber(height); - context.fillStyle = fillColor; - context.fillRect(0, 0, width, height); - context.save(); - context.translate(width / 2, height / 2); - context.rotate(rotate * Math.PI / 180); - context.scale(scaleX, scaleY); - context.imageSmoothingEnabled = imageSmoothingEnabled; - context.imageSmoothingQuality = imageSmoothingQuality; - context.drawImage.apply(context, [image].concat(toConsumableArray(params.map(function (param) { - return Math.floor(normalizeDecimalNumber(param)); - })))); - context.restore(); - return canvas; -} - -var fromCharCode = String.fromCharCode; - -/** - * Get string from char code in data view. - * @param {DataView} dataView - The data view for read. - * @param {number} start - The start index. - * @param {number} length - The read length. - * @returns {string} The read result. - */ + function arrayBufferToDataURL(arrayBuffer, mimeType) { + var chunks = []; // Chunk Typed Array for better performance (#435) -function getStringFromCharCode(dataView, start, length) { - var str = ''; - var i = void 0; + var chunkSize = 8192; + var uint8 = new Uint8Array(arrayBuffer); - length += start; + while (uint8.length > 0) { + // XXX: Babel's `toConsumableArray` helper will throw error in IE or Safari 9 + // eslint-disable-next-line prefer-spread + chunks.push(fromCharCode.apply(null, toArray(uint8.subarray(0, chunkSize)))); + uint8 = uint8.subarray(chunkSize); + } - for (i = start; i < length; i += 1) { - str += fromCharCode(dataView.getUint8(i)); + return "data:".concat(mimeType, ";base64,").concat(btoa(chunks.join(''))); } + /** + * Get orientation value from given array buffer. + * @param {ArrayBuffer} arrayBuffer - The array buffer to read. + * @returns {number} The read orientation value. + */ - return str; -} + function resetAndGetOrientation(arrayBuffer) { + var dataView = new DataView(arrayBuffer); + var orientation; // Ignores range error when the image does not have correct Exif information -var REGEXP_DATA_URL_HEAD = /^data:.*,/; + try { + var littleEndian; + var app1Start; + var ifdStart; // Only handle JPEG image (start by 0xFFD8) -/** - * Transform Data URL to array buffer. - * @param {string} dataURL - The Data URL to transform. - * @returns {ArrayBuffer} The result array buffer. - */ -function dataURLToArrayBuffer(dataURL) { - var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, ''); - var binary = atob(base64); - var arrayBuffer = new ArrayBuffer(binary.length); - var uint8 = new Uint8Array(arrayBuffer); - - each(uint8, function (value, i) { - uint8[i] = binary.charCodeAt(i); - }); - - return arrayBuffer; -} - -/** - * Transform array buffer to Data URL. - * @param {ArrayBuffer} arrayBuffer - The array buffer to transform. - * @param {string} mimeType - The mime type of the Data URL. - * @returns {string} The result Data URL. - */ -function arrayBufferToDataURL(arrayBuffer, mimeType) { - var uint8 = new Uint8Array(arrayBuffer); - var data = ''; - - // TypedArray.prototype.forEach is not supported in some browsers. - each(uint8, function (value) { - data += fromCharCode(value); - }); - - return 'data:' + mimeType + ';base64,' + btoa(data); -} - -/** - * Get orientation value from given array buffer. - * @param {ArrayBuffer} arrayBuffer - The array buffer to read. - * @returns {number} The read orientation value. - */ -function getOrientation(arrayBuffer) { - var dataView = new DataView(arrayBuffer); - var orientation = void 0; - var littleEndian = void 0; - var app1Start = void 0; - var ifdStart = void 0; - - // Only handle JPEG image (start by 0xFFD8) - if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) { - var length = dataView.byteLength; - var offset = 2; - - while (offset < length) { - if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) { - app1Start = offset; - break; - } + if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) { + var length = dataView.byteLength; + var offset = 2; - offset += 1; - } - } + while (offset + 1 < length) { + if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) { + app1Start = offset; + break; + } - if (app1Start) { - var exifIDCode = app1Start + 4; - var tiffOffset = app1Start + 10; + offset += 1; + } + } - if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') { - var endianness = dataView.getUint16(tiffOffset); + if (app1Start) { + var exifIDCode = app1Start + 4; + var tiffOffset = app1Start + 10; - littleEndian = endianness === 0x4949; + if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') { + var endianness = dataView.getUint16(tiffOffset); + littleEndian = endianness === 0x4949; - if (littleEndian || endianness === 0x4D4D /* bigEndian */) { - if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) { - var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian); + if (littleEndian || endianness === 0x4D4D + /* bigEndian */ + ) { + if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) { + var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian); - if (firstIFDOffset >= 0x00000008) { - ifdStart = tiffOffset + firstIFDOffset; + if (firstIFDOffset >= 0x00000008) { + ifdStart = tiffOffset + firstIFDOffset; + } + } } - } } - } - } - - if (ifdStart) { - var _length = dataView.getUint16(ifdStart, littleEndian); - var _offset = void 0; - var i = void 0; + } - for (i = 0; i < _length; i += 1) { - _offset = ifdStart + i * 12 + 2; + if (ifdStart) { + var _length = dataView.getUint16(ifdStart, littleEndian); - if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) { - // 8 is the offset of the current tag's value - _offset += 8; + var _offset; - // Get the original orientation value - orientation = dataView.getUint16(_offset, littleEndian); + var i; - // Override the orientation with its default value - dataView.setUint16(_offset, 1, littleEndian); - break; - } - } - } - - return orientation; -} - -/** - * Parse Exif Orientation value. - * @param {number} orientation - The orientation to parse. - * @returns {Object} The parsed result. - */ -function parseOrientation(orientation) { - var rotate = 0; - var scaleX = 1; - var scaleY = 1; - - switch (orientation) { - // Flip horizontal - case 2: - scaleX = -1; - break; - - // Rotate left 180° - case 3: - rotate = -180; - break; - - // Flip vertical - case 4: - scaleY = -1; - break; - - // Flip vertical and rotate right 90° - case 5: - rotate = 90; - scaleY = -1; - break; - - // Rotate right 90° - case 6: - rotate = 90; - break; - - // Flip horizontal and rotate right 90° - case 7: - rotate = 90; - scaleX = -1; - break; - - // Rotate left 90° - case 8: - rotate = -90; - break; - - default: - } + for (i = 0; i < _length; i += 1) { + _offset = ifdStart + i * 12 + 2; - return { - rotate: rotate, - scaleX: scaleX, - scaleY: scaleY - }; -} + if (dataView.getUint16(_offset, littleEndian) === 0x0112 + /* Orientation */ + ) { + // 8 is the offset of the current tag's value + _offset += 8; // Get the original orientation value -var render = { - render: function render() { - this.initContainer(); - this.initCanvas(); - this.initCropBox(); - this.renderCanvas(); + orientation = dataView.getUint16(_offset, littleEndian); // Override the orientation with its default value - if (this.cropped) { - this.renderCropBox(); + dataView.setUint16(_offset, 1, littleEndian); + break; + } + } + } + } catch (error) { + orientation = 1; } - }, - initContainer: function initContainer() { - var element = this.element, - options = this.options, - container = this.container, - cropper = this.cropper; - - addClass(cropper, CLASS_HIDDEN); - removeClass(element, CLASS_HIDDEN); + return orientation; + } + /** + * Parse Exif Orientation value. + * @param {number} orientation - The orientation to parse. + * @returns {Object} The parsed result. + */ - var containerData = { - width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200), - height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100) - }; + function parseOrientation(orientation) { + var rotate = 0; + var scaleX = 1; + var scaleY = 1; - this.containerData = containerData; + switch (orientation) { + // Flip horizontal + case 2: + scaleX = -1; + break; + // Rotate left 180° - setStyle(cropper, { - width: containerData.width, - height: containerData.height - }); + case 3: + rotate = -180; + break; + // Flip vertical - addClass(element, CLASS_HIDDEN); - removeClass(cropper, CLASS_HIDDEN); - }, + case 4: + scaleY = -1; + break; + // Flip vertical and rotate right 90° + case 5: + rotate = 90; + scaleY = -1; + break; + // Rotate right 90° - // Canvas (image wrapper) - initCanvas: function initCanvas() { - var containerData = this.containerData, - imageData = this.imageData; - var viewMode = this.options.viewMode; + case 6: + rotate = 90; + break; + // Flip horizontal and rotate right 90° - var rotated = Math.abs(imageData.rotate) % 180 === 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; + case 7: + rotate = 90; + scaleX = -1; + break; + // Rotate left 90° - 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; + case 8: + rotate = -90; + break; } - var canvasData = { - aspectRatio: aspectRatio, - naturalWidth: naturalWidth, - naturalHeight: naturalHeight, - width: canvasWidth, - height: canvasHeight + return { + rotate: rotate, + scaleX: scaleX, + scaleY: scaleY }; + } - canvasData.left = (containerData.width - canvasWidth) / 2; - canvasData.top = (containerData.height - canvasHeight) / 2; - canvasData.oldLeft = canvasData.left; - canvasData.oldTop = canvasData.top; - - this.canvasData = canvasData; - this.limited = viewMode === 1 || viewMode === 2; - this.limitCanvas(true, true); - this.initialImageData = extend({}, imageData); - this.initialCanvasData = extend({}, canvasData); - }, - limitCanvas: function limitCanvas(sizeLimited, positionLimited) { - var options = this.options, - containerData = this.containerData, - canvasData = this.canvasData, - cropBoxData = this.cropBoxData; - var viewMode = options.viewMode; - var aspectRatio = canvasData.aspectRatio; - - var cropped = this.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); + var render = { + render: function render() { + this.initContainer(); + this.initCanvas(); + this.initCropBox(); + this.renderCanvas(); + if (this.cropped) { + this.renderCropBox(); + } + }, + initContainer: function initContainer() { + var element = this.element, + options = this.options, + container = this.container, + cropper = this.cropper; + addClass(cropper, CLASS_HIDDEN); + removeClass(element, CLASS_HIDDEN); + var containerData = { + width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200), + height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100) + }; + this.containerData = containerData; + setStyle(cropper, { + width: containerData.width, + height: containerData.height + }); + addClass(element, CLASS_HIDDEN); + removeClass(cropper, CLASS_HIDDEN); + }, + // Canvas (image wrapper) + initCanvas: function initCanvas() { + var containerData = this.containerData, + imageData = this.imageData; + var viewMode = this.options.viewMode; + var rotated = Math.abs(imageData.rotate) % 180 === 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) { - 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; - } + canvasWidth = containerData.height * aspectRatio; + } else { + canvasHeight = containerData.width / aspectRatio; } + } else if (viewMode === 3) { + canvasHeight = containerData.width / aspectRatio; + } else { + canvasWidth = containerData.height * aspectRatio; } - var _getContainSizes = getContainSizes({ + var canvasData = { aspectRatio: aspectRatio, - width: minCanvasWidth, - height: minCanvasHeight - }); - - minCanvasWidth = _getContainSizes.width; - minCanvasHeight = _getContainSizes.height; - - - 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 && this.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); + naturalWidth: naturalWidth, + naturalHeight: naturalHeight, + width: canvasWidth, + height: canvasHeight + }; + canvasData.left = (containerData.width - canvasWidth) / 2; + canvasData.top = (containerData.height - canvasHeight) / 2; + canvasData.oldLeft = canvasData.left; + canvasData.oldTop = canvasData.top; + this.canvasData = canvasData; + this.limited = viewMode === 1 || viewMode === 2; + this.limitCanvas(true, true); + this.initialImageData = assign({}, imageData); + this.initialCanvasData = assign({}, canvasData); + }, + limitCanvas: function limitCanvas(sizeLimited, positionLimited) { + var options = this.options, + containerData = this.containerData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + var viewMode = options.viewMode; + var aspectRatio = canvasData.aspectRatio; + var cropped = this.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 (canvasData.height >= containerData.height) { - canvasData.minTop = Math.min(0, newCanvasTop); - canvasData.maxTop = Math.max(0, newCanvasTop); + var _getAdjustedSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: minCanvasWidth, + height: minCanvasHeight + }); + + minCanvasWidth = _getAdjustedSizes.width; + minCanvasHeight = _getAdjustedSizes.height; + canvasData.minWidth = minCanvasWidth; + canvasData.minHeight = minCanvasHeight; + canvasData.maxWidth = Infinity; + canvasData.maxHeight = Infinity; + } + + if (positionLimited) { + if (viewMode > (cropped ? 0 : 1)) { + 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 && this.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; } - } else { - canvasData.minLeft = -canvasData.width; - canvasData.minTop = -canvasData.height; - canvasData.maxLeft = containerData.width; - canvasData.maxTop = containerData.height; } - } - }, - renderCanvas: function renderCanvas(changed, transformed) { - var canvasData = this.canvasData, - imageData = this.imageData; - + }, + renderCanvas: function renderCanvas(changed, transformed) { + var canvasData = this.canvasData, + imageData = this.imageData; - if (transformed) { - var _getRotatedSizes = getRotatedSizes({ - width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1), - height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1), - degree: imageData.rotate || 0 - }), - naturalWidth = _getRotatedSizes.width, - naturalHeight = _getRotatedSizes.height; - - var width = canvasData.width * (naturalWidth / canvasData.naturalWidth); - var height = canvasData.height * (naturalHeight / canvasData.naturalHeight); - - canvasData.left -= (width - canvasData.width) / 2; - canvasData.top -= (height - canvasData.height) / 2; - canvasData.width = width; - canvasData.height = height; - canvasData.aspectRatio = naturalWidth / naturalHeight; - canvasData.naturalWidth = naturalWidth; - canvasData.naturalHeight = naturalHeight; - this.limitCanvas(true, false); - } + if (transformed) { + var _getRotatedSizes = getRotatedSizes({ + width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1), + height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1), + degree: imageData.rotate || 0 + }), + naturalWidth = _getRotatedSizes.width, + naturalHeight = _getRotatedSizes.height; + + var width = canvasData.width * (naturalWidth / canvasData.naturalWidth); + var height = canvasData.height * (naturalHeight / canvasData.naturalHeight); + canvasData.left -= (width - canvasData.width) / 2; + canvasData.top -= (height - canvasData.height) / 2; + canvasData.width = width; + canvasData.height = height; + canvasData.aspectRatio = naturalWidth / naturalHeight; + canvasData.naturalWidth = naturalWidth; + canvasData.naturalHeight = naturalHeight; + this.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); + this.limitCanvas(false, true); + canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft); + canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop); + canvasData.oldLeft = canvasData.left; + canvasData.oldTop = canvasData.top; + setStyle(this.canvas, assign({ + width: canvasData.width, + height: canvasData.height + }, getTransforms({ + translateX: canvasData.left, + translateY: canvasData.top + }))); + this.renderImage(changed); + + if (this.cropped && this.limited) { + this.limitCropBox(true, true); + } + }, + renderImage: function renderImage(changed) { + var canvasData = this.canvasData, + imageData = this.imageData; + var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth); + var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight); + assign(imageData, { + width: width, + height: height, + left: (canvasData.width - width) / 2, + top: (canvasData.height - height) / 2 + }); + setStyle(this.image, assign({ + width: imageData.width, + height: imageData.height + }, getTransforms(assign({ + translateX: imageData.left, + translateY: imageData.top + }, imageData)))); - if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) { - canvasData.left = canvasData.oldLeft; - } + if (changed) { + this.output(); + } + }, + initCropBox: function initCropBox() { + var options = this.options, + canvasData = this.canvasData; + var aspectRatio = options.aspectRatio || options.initialAspectRatio; + var autoCropArea = Number(options.autoCropArea) || 0.8; + var cropBoxData = { + width: canvasData.width, + height: canvasData.height + }; - if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) { - canvasData.top = canvasData.oldTop; - } + if (aspectRatio) { + if (canvasData.height * aspectRatio > canvasData.width) { + cropBoxData.height = cropBoxData.width / aspectRatio; + } else { + cropBoxData.width = cropBoxData.height * aspectRatio; + } + } - canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth); - canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight); + this.cropBoxData = cropBoxData; + this.limitCropBox(true, true); // Initialize auto crop area - this.limitCanvas(false, true); + 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" - canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft); - canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop); - canvasData.oldLeft = canvasData.left; - canvasData.oldTop = canvasData.top; + cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea); + cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea); + cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2; + cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2; + cropBoxData.oldLeft = cropBoxData.left; + cropBoxData.oldTop = cropBoxData.top; + this.initialCropBoxData = assign({}, cropBoxData); + }, + limitCropBox: function limitCropBox(sizeLimited, positionLimited) { + var options = this.options, + containerData = this.containerData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData, + limited = this.limited; + var aspectRatio = options.aspectRatio; - setStyle(this.canvas, extend({ - width: canvasData.width, - height: canvasData.height - }, getTransforms({ - translateX: canvasData.left, - translateY: canvasData.top - }))); + if (sizeLimited) { + var minCropBoxWidth = Number(options.minCropBoxWidth) || 0; + var minCropBoxHeight = Number(options.minCropBoxHeight) || 0; + var maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width; + var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height; // The min/maxCropBoxWidth/Height must be less than container's width/height - this.renderImage(changed); + minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width); + minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height); - if (this.cropped && this.limited) { - this.limitCropBox(true, true); - } - }, - renderImage: function renderImage(changed) { - var canvasData = this.canvasData, - imageData = this.imageData; + 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; + } - var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth); - var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight); + if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) { + maxCropBoxHeight = maxCropBoxWidth / aspectRatio; + } else { + maxCropBoxWidth = maxCropBoxHeight * aspectRatio; + } + } // The minWidth/Height must be less than maxWidth/Height - extend(imageData, { - width: width, - height: height, - left: (canvasData.width - width) / 2, - top: (canvasData.height - height) / 2 - }); - setStyle(this.image, extend({ - width: imageData.width, - height: imageData.height - }, getTransforms(extend({ - translateX: imageData.left, - translateY: imageData.top - }, imageData)))); - - if (changed) { - this.output(); - } - }, - initCropBox: function initCropBox() { - var options = this.options, - canvasData = this.canvasData; - var aspectRatio = options.aspectRatio; - - var autoCropArea = Number(options.autoCropArea) || 0.8; - 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; + cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth); + cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight); + cropBoxData.maxWidth = maxCropBoxWidth; + cropBoxData.maxHeight = maxCropBoxHeight; } - } - - this.cropBoxData = cropBoxData; - this.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.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2; - cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2; - cropBoxData.oldLeft = cropBoxData.left; - cropBoxData.oldTop = cropBoxData.top; - - this.initialCropBoxData = extend({}, cropBoxData); - }, - limitCropBox: function limitCropBox(sizeLimited, positionLimited) { - var options = this.options, - containerData = this.containerData, - canvasData = this.canvasData, - cropBoxData = this.cropBoxData, - limited = this.limited; - var aspectRatio = options.aspectRatio; - - - 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 container's width/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; + 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 { - maxCropBoxWidth = maxCropBoxHeight * aspectRatio; + cropBoxData.minLeft = 0; + cropBoxData.minTop = 0; + cropBoxData.maxLeft = containerData.width - cropBoxData.width; + cropBoxData.maxTop = containerData.height - cropBoxData.height; } } + }, + renderCropBox: function renderCropBox() { + var options = this.options, + containerData = this.containerData, + cropBoxData = this.cropBoxData; - // 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; + if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) { + cropBoxData.left = cropBoxData.oldLeft; } - } - }, - renderCropBox: function renderCropBox() { - var options = this.options, - containerData = this.containerData, - cropBoxData = this.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); - - this.limitCropBox(false, true); - - cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft); - cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop); - cropBoxData.oldLeft = cropBoxData.left; - cropBoxData.oldTop = cropBoxData.top; + if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) { + cropBoxData.top = cropBoxData.oldTop; + } - if (options.movable && options.cropBoxMovable) { - // Turn to move the canvas when the crop box is equal to the container - setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL); - } + cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth); + cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); + this.limitCropBox(false, true); + cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft); + cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop); + cropBoxData.oldLeft = cropBoxData.left; + cropBoxData.oldTop = cropBoxData.top; - setStyle(this.cropBox, extend({ - width: cropBoxData.width, - height: cropBoxData.height - }, getTransforms({ - translateX: cropBoxData.left, - translateY: cropBoxData.top - }))); + if (options.movable && options.cropBoxMovable) { + // Turn to move the canvas when the crop box is equal to the container + setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL); + } - if (this.cropped && this.limited) { - this.limitCanvas(true, true); - } + setStyle(this.cropBox, assign({ + width: cropBoxData.width, + height: cropBoxData.height + }, getTransforms({ + translateX: cropBoxData.left, + translateY: cropBoxData.top + }))); - if (!this.disabled) { - this.output(); - } - }, - output: function output() { - this.preview(); + if (this.cropped && this.limited) { + this.limitCanvas(true, true); + } - if (this.complete) { + if (!this.disabled) { + this.output(); + } + }, + output: function output() { + this.preview(); dispatchEvent(this.element, EVENT_CROP, this.getData()); } - } -}; + }; -var preview = { - initPreview: function initPreview() { - var crossOrigin = this.crossOrigin; - var preview = this.options.preview; + var preview = { + initPreview: function initPreview() { + var element = this.element, + crossOrigin = this.crossOrigin; + var preview = this.options.preview; + var url = crossOrigin ? this.crossOriginUrl : this.url; + var alt = element.alt || 'The image to preview'; + var image = document.createElement('img'); - var url = crossOrigin ? this.crossOriginUrl : this.url; - var image = document.createElement('img'); + if (crossOrigin) { + image.crossOrigin = crossOrigin; + } - if (crossOrigin) { - image.crossOrigin = crossOrigin; - } + image.src = url; + image.alt = alt; + this.viewBox.appendChild(image); + this.viewBoxImage = image; - image.src = url; - this.viewBox.appendChild(image); - this.image2 = image; + if (!preview) { + return; + } - if (!preview) { - return; - } + var previews = preview; + + if (typeof preview === 'string') { + previews = element.ownerDocument.querySelectorAll(preview); + } else if (preview.querySelector) { + previews = [preview]; + } - var previews = preview.querySelector ? [preview] : document.querySelectorAll(preview); + this.previews = previews; + forEach(previews, function (el) { + var img = document.createElement('img'); // Save the original size for recover - this.previews = previews; + setData(el, DATA_PREVIEW, { + width: el.offsetWidth, + height: el.offsetHeight, + html: el.innerHTML + }); - each(previews, function (element) { - var img = document.createElement('img'); + if (crossOrigin) { + img.crossOrigin = crossOrigin; + } - // Save the original size for recover - setData(element, DATA_PREVIEW, { - width: element.offsetWidth, - height: element.offsetHeight, - html: element.innerHTML + img.src = url; + img.alt = alt; + /** + * 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;"'; + el.innerHTML = ''; + el.appendChild(img); }); - - if (crossOrigin) { - img.crossOrigin = crossOrigin; + }, + resetPreview: function resetPreview() { + forEach(this.previews, function (element) { + var data = getData(element, DATA_PREVIEW); + setStyle(element, { + width: data.width, + height: data.height + }); + element.innerHTML = data.html; + removeData(element, DATA_PREVIEW); + }); + }, + preview: function preview() { + var imageData = this.imageData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + var cropBoxWidth = cropBoxData.width, + cropBoxHeight = cropBoxData.height; + var width = imageData.width, + height = imageData.height; + var left = cropBoxData.left - canvasData.left - imageData.left; + var top = cropBoxData.top - canvasData.top - imageData.top; + + if (!this.cropped || this.disabled) { + return; } - img.src = url; + setStyle(this.viewBoxImage, assign({ + width: width, + height: height + }, getTransforms(assign({ + translateX: -left, + translateY: -top + }, imageData)))); + forEach(this.previews, function (element) { + var data = getData(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; + } - /** - * 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;"'; + if (cropBoxHeight && newHeight > originalHeight) { + ratio = originalHeight / cropBoxHeight; + newWidth = cropBoxWidth * ratio; + newHeight = originalHeight; + } - empty(element); - element.appendChild(img); - }); - }, - resetPreview: function resetPreview() { - each(this.previews, function (element) { - var data = getData(element, DATA_PREVIEW); - - setStyle(element, { - width: data.width, - height: data.height + setStyle(element, { + width: newWidth, + height: newHeight + }); + setStyle(element.getElementsByTagName('img')[0], assign({ + width: width * ratio, + height: height * ratio + }, getTransforms(assign({ + translateX: -left * ratio, + translateY: -top * ratio + }, imageData)))); }); - - element.innerHTML = data.html; - removeData(element, DATA_PREVIEW); - }); - }, - preview: function preview() { - var imageData = this.imageData, - canvasData = this.canvasData, - cropBoxData = this.cropBoxData; - var cropBoxWidth = cropBoxData.width, - cropBoxHeight = cropBoxData.height; - var width = imageData.width, - height = imageData.height; - - var left = cropBoxData.left - canvasData.left - imageData.left; - var top = cropBoxData.top - canvasData.top - imageData.top; - - if (!this.cropped || this.disabled) { - return; } + }; - setStyle(this.image2, extend({ - width: width, - height: height - }, getTransforms(extend({ - translateX: -left, - translateY: -top - }, imageData)))); - - each(this.previews, function (element) { - var data = getData(element, DATA_PREVIEW); - var originalWidth = data.width; - var originalHeight = data.height; - var newWidth = originalWidth; - var newHeight = originalHeight; - var ratio = 1; + var events = { + bind: function bind() { + var element = this.element, + options = this.options, + cropper = this.cropper; - if (cropBoxWidth) { - ratio = originalWidth / cropBoxWidth; - newHeight = cropBoxHeight * ratio; + if (isFunction(options.cropstart)) { + addListener(element, EVENT_CROP_START, options.cropstart); } - if (cropBoxHeight && newHeight > originalHeight) { - ratio = originalHeight / cropBoxHeight; - newWidth = cropBoxWidth * ratio; - newHeight = originalHeight; + if (isFunction(options.cropmove)) { + addListener(element, EVENT_CROP_MOVE, options.cropmove); } - setStyle(element, { - width: newWidth, - height: newHeight - }); - - setStyle(element.getElementsByTagName('img')[0], extend({ - width: width * ratio, - height: height * ratio - }, getTransforms(extend({ - translateX: -left * ratio, - translateY: -top * ratio - }, imageData)))); - }); - } -}; - -var events = { - bind: function bind() { - var element = this.element, - options = this.options, - cropper = this.cropper; - - - if (isFunction(options.cropstart)) { - addListener(element, EVENT_CROP_START, options.cropstart); - } + if (isFunction(options.cropend)) { + addListener(element, EVENT_CROP_END, options.cropend); + } - if (isFunction(options.cropmove)) { - addListener(element, EVENT_CROP_MOVE, options.cropmove); - } + if (isFunction(options.crop)) { + addListener(element, EVENT_CROP, options.crop); + } - if (isFunction(options.cropend)) { - addListener(element, EVENT_CROP_END, options.cropend); - } + if (isFunction(options.zoom)) { + addListener(element, EVENT_ZOOM, options.zoom); + } - if (isFunction(options.crop)) { - addListener(element, EVENT_CROP, options.crop); - } + addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this)); - if (isFunction(options.zoom)) { - addListener(element, EVENT_ZOOM, options.zoom); - } + if (options.zoomable && options.zoomOnWheel) { + addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), { + passive: false, + capture: true + }); + } - addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = proxy(this.cropStart, this)); + if (options.toggleDragModeOnDblclick) { + addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this)); + } - if (options.zoomable && options.zoomOnWheel) { - addListener(cropper, EVENT_WHEEL, this.onWheel = proxy(this.wheel, this)); - } + addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this)); + addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this)); - if (options.toggleDragModeOnDblclick) { - addListener(cropper, EVENT_DBLCLICK, this.onDblclick = proxy(this.dblclick, this)); - } + if (options.responsive) { + addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this)); + } + }, + unbind: function unbind() { + var element = this.element, + options = this.options, + cropper = this.cropper; - addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)); - addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, this)); + if (isFunction(options.cropstart)) { + removeListener(element, EVENT_CROP_START, options.cropstart); + } - if (options.responsive) { - addListener(window, EVENT_RESIZE, this.onResize = proxy(this.resize, this)); - } - }, - unbind: function unbind() { - var element = this.element, - options = this.options, - cropper = this.cropper; + 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.cropstart)) { - removeListener(element, EVENT_CROP_START, options.cropstart); - } + if (isFunction(options.crop)) { + removeListener(element, EVENT_CROP, options.crop); + } - if (isFunction(options.cropmove)) { - removeListener(element, EVENT_CROP_MOVE, options.cropmove); - } + if (isFunction(options.zoom)) { + removeListener(element, EVENT_ZOOM, options.zoom); + } - if (isFunction(options.cropend)) { - removeListener(element, EVENT_CROP_END, options.cropend); - } + removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart); - if (isFunction(options.crop)) { - removeListener(element, EVENT_CROP, options.crop); - } + if (options.zoomable && options.zoomOnWheel) { + removeListener(cropper, EVENT_WHEEL, this.onWheel, { + passive: false, + capture: true + }); + } - if (isFunction(options.zoom)) { - removeListener(element, EVENT_ZOOM, options.zoom); - } + if (options.toggleDragModeOnDblclick) { + removeListener(cropper, EVENT_DBLCLICK, this.onDblclick); + } - removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart); + removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove); + removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd); - if (options.zoomable && options.zoomOnWheel) { - removeListener(cropper, EVENT_WHEEL, this.onWheel); + if (options.responsive) { + removeListener(window, EVENT_RESIZE, this.onResize); + } } + }; - if (options.toggleDragModeOnDblclick) { - removeListener(cropper, EVENT_DBLCLICK, this.onDblclick); - } + var handlers = { + resize: function resize() { + if (this.disabled) { + return; + } - removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove); - removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd); + var options = this.options, + container = this.container, + containerData = this.containerData; + var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed - if (options.responsive) { - removeListener(window, EVENT_RESIZE, this.onResize); - } - } -}; + if (ratio !== 1 || container.offsetHeight !== containerData.height) { + var canvasData; + var cropBoxData; -var handlers = { - resize: function resize() { - var options = this.options, - container = this.container, - containerData = this.containerData; + if (options.restore) { + canvasData = this.getCanvasData(); + cropBoxData = this.getCropBoxData(); + } - var minContainerWidth = Number(options.minContainerWidth) || 200; - var minContainerHeight = Number(options.minContainerHeight) || 100; + this.render(); - if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) { - return; - } + if (options.restore) { + this.setCanvasData(forEach(canvasData, function (n, i) { + canvasData[i] = n * ratio; + })); + this.setCropBoxData(forEach(cropBoxData, function (n, i) { + cropBoxData[i] = n * ratio; + })); + } + } + }, + dblclick: function dblclick() { + if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) { + return; + } - var ratio = container.offsetWidth / containerData.width; + this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP); + }, + wheel: function wheel(event) { + var _this = this; - // Resize when width changed or height changed - if (ratio !== 1 || container.offsetHeight !== containerData.height) { - var canvasData = void 0; - var cropBoxData = void 0; + var ratio = Number(this.options.wheelZoomRatio) || 0.1; + var delta = 1; - if (options.restore) { - canvasData = this.getCanvasData(); - cropBoxData = this.getCropBoxData(); + if (this.disabled) { + return; } - this.render(); + event.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21) - if (options.restore) { - this.setCanvasData(each(canvasData, function (n, i) { - canvasData[i] = n * ratio; - })); - this.setCropBoxData(each(cropBoxData, function (n, i) { - cropBoxData[i] = n * ratio; - })); + if (this.wheeling) { + return; } - } - }, - dblclick: function dblclick() { - if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) { - return; - } - - this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP); - }, - wheel: function wheel(e) { - var _this = this; - var ratio = Number(this.options.wheelZoomRatio) || 0.1; - var delta = 1; + this.wheeling = true; + setTimeout(function () { + _this.wheeling = false; + }, 50); - if (this.disabled) { - return; - } + if (event.deltaY) { + delta = event.deltaY > 0 ? 1 : -1; + } else if (event.wheelDelta) { + delta = -event.wheelDelta / 120; + } else if (event.detail) { + delta = event.detail > 0 ? 1 : -1; + } - e.preventDefault(); + this.zoom(-delta * ratio, event); + }, + cropStart: function cropStart(event) { + var buttons = event.buttons, + button = event.button; - // Limit wheel speed to prevent zoom too fast (#21) - if (this.wheeling) { - return; - } + if (this.disabled // Handle mouse event and pointer event and ignore touch event + || (event.type === 'mousedown' || event.type === 'pointerdown' && event.pointerType === 'mouse') && ( // No primary button (Usually the left button) + isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0 // Open context menu + || event.ctrlKey)) { + return; + } - this.wheeling = true; + var options = this.options, + pointers = this.pointers; + var action; - setTimeout(function () { - _this.wheeling = false; - }, 50); + if (event.changedTouches) { + // Handle touch event + forEach(event.changedTouches, function (touch) { + pointers[touch.identifier] = getPointer(touch); + }); + } else { + // Handle mouse event and pointer event + pointers[event.pointerId || 0] = getPointer(event); + } - 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; - } + if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) { + action = ACTION_ZOOM; + } else { + action = getData(event.target, DATA_ACTION); + } - this.zoom(-delta * ratio, e); - }, - cropStart: function cropStart(e) { - if (this.disabled) { - return; - } + if (!REGEXP_ACTIONS.test(action)) { + return; + } - var options = this.options, - pointers = this.pointers; + if (dispatchEvent(this.element, EVENT_CROP_START, { + originalEvent: event, + action: action + }) === false) { + return; + } // This line is required for preventing page zooming in iOS browsers - 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); - } + event.preventDefault(); + this.action = action; + this.cropping = false; - if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) { - action = ACTION_ZOOM; - } else { - action = getData(e.target, DATA_ACTION); - } + if (action === ACTION_CROP) { + this.cropping = true; + addClass(this.dragBox, CLASS_MODAL); + } + }, + cropMove: function cropMove(event) { + var action = this.action; - if (!REGEXP_ACTIONS.test(action)) { - return; - } + if (this.disabled || !action) { + return; + } - if (dispatchEvent(this.element, EVENT_CROP_START, { - originalEvent: e, - action: action - }) === false) { - return; - } + var pointers = this.pointers; + event.preventDefault(); - e.preventDefault(); + if (dispatchEvent(this.element, EVENT_CROP_MOVE, { + originalEvent: event, + action: action + }) === false) { + return; + } - this.action = action; - this.cropping = false; + if (event.changedTouches) { + forEach(event.changedTouches, function (touch) { + // The first parameter should not be undefined (#432) + assign(pointers[touch.identifier] || {}, getPointer(touch, true)); + }); + } else { + assign(pointers[event.pointerId || 0] || {}, getPointer(event, true)); + } - if (action === ACTION_CROP) { - this.cropping = true; - addClass(this.dragBox, CLASS_MODAL); - } - }, - cropMove: function cropMove(e) { - var action = this.action; + this.change(event); + }, + cropEnd: function cropEnd(event) { + if (this.disabled) { + return; + } + var action = this.action, + pointers = this.pointers; - if (this.disabled || !action) { - return; - } + if (event.changedTouches) { + forEach(event.changedTouches, function (touch) { + delete pointers[touch.identifier]; + }); + } else { + delete pointers[event.pointerId || 0]; + } - var pointers = this.pointers; + if (!action) { + return; + } + event.preventDefault(); - e.preventDefault(); + if (!Object.keys(pointers).length) { + this.action = ''; + } - if (dispatchEvent(this.element, EVENT_CROP_MOVE, { - originalEvent: e, - action: action - }) === false) { - return; - } + if (this.cropping) { + this.cropping = false; + toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal); + } - if (e.changedTouches) { - each(e.changedTouches, function (touch) { - extend(pointers[touch.identifier], getPointer(touch, true)); + dispatchEvent(this.element, EVENT_CROP_END, { + originalEvent: event, + action: action }); - } else { - extend(pointers[e.pointerId || 0], getPointer(e, true)); - } - - this.change(e); - }, - cropEnd: function cropEnd(e) { - if (this.disabled) { - return; } + }; - var action = this.action, - pointers = this.pointers; + var change = { + change: function change(event) { + var options = this.options, + canvasData = this.canvasData, + containerData = this.containerData, + cropBoxData = this.cropBoxData, + pointers = this.pointers; + var action = this.action; + var aspectRatio = options.aspectRatio; + var left = cropBoxData.left, + top = cropBoxData.top, + width = cropBoxData.width, + height = cropBoxData.height; + var right = left + width; + var bottom = top + height; + var minLeft = 0; + var minTop = 0; + var maxWidth = containerData.width; + var maxHeight = containerData.height; + var renderable = true; + var offset; // Locking aspect ratio in "free mode" by holding shift key + + if (!aspectRatio && event.shiftKey) { + aspectRatio = width && height ? width / height : 1; + } + + if (this.limited) { + minLeft = cropBoxData.minLeft; + minTop = cropBoxData.minTop; + maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width); + maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height); + } + + var pointer = pointers[Object.keys(pointers)[0]]; + var range = { + x: pointer.endX - pointer.startX, + y: pointer.endY - pointer.startY + }; + var check = function check(side) { + switch (side) { + case ACTION_EAST: + if (right + range.x > maxWidth) { + range.x = maxWidth - right; + } - if (e.changedTouches) { - each(e.changedTouches, function (touch) { - delete pointers[touch.identifier]; - }); - } else { - delete pointers[e.pointerId || 0]; - } + break; - if (!action) { - return; - } + case ACTION_WEST: + if (left + range.x < minLeft) { + range.x = minLeft - left; + } - e.preventDefault(); + break; - if (!Object.keys(pointers).length) { - this.action = ''; - } + case ACTION_NORTH: + if (top + range.y < minTop) { + range.y = minTop - top; + } - if (this.cropping) { - this.cropping = false; - toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal); - } + break; - dispatchEvent(this.element, EVENT_CROP_END, { - originalEvent: e, - action: action - }); - } -}; - -var change = { - change: function change(e) { - var options = this.options, - canvasData = this.canvasData, - containerData = this.containerData, - cropBoxData = this.cropBoxData, - pointers = this.pointers; - var action = this.action; - var aspectRatio = options.aspectRatio; - var left = cropBoxData.left, - top = cropBoxData.top, - width = cropBoxData.width, - height = cropBoxData.height; - - var right = left + width; - var bottom = top + height; - var minLeft = 0; - var minTop = 0; - var maxWidth = containerData.width; - var maxHeight = containerData.height; - var renderable = true; - var offset = void 0; - - // Locking aspect ratio in "free mode" by holding shift key - if (!aspectRatio && e.shiftKey) { - aspectRatio = width && height ? width / height : 1; - } + case ACTION_SOUTH: + if (bottom + range.y > maxHeight) { + range.y = maxHeight - bottom; + } - if (this.limited) { - minLeft = cropBoxData.minLeft; - minTop = cropBoxData.minTop; + break; + } + }; - maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width); - maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height); - } + switch (action) { + // Move crop box + case ACTION_ALL: + left += range.x; + top += range.y; + break; + // Resize crop box - var pointer = pointers[Object.keys(pointers)[0]]; - var range = { - x: pointer.endX - pointer.startX, - y: pointer.endY - pointer.startY - }; - var check = function check(side) { - switch (side) { case ACTION_EAST: - if (right + range.x > maxWidth) { - range.x = maxWidth - right; + if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) { + renderable = false; + break; } - break; + check(ACTION_EAST); + width += range.x; - case ACTION_WEST: - if (left + range.x < minLeft) { - range.x = minLeft - left; + if (width < 0) { + action = ACTION_WEST; + width = -width; + left -= width; } - break; - - case ACTION_NORTH: - if (top + range.y < minTop) { - range.y = minTop - top; + if (aspectRatio) { + height = width / aspectRatio; + top += (cropBoxData.height - height) / 2; } break; - case ACTION_SOUTH: - if (bottom + range.y > maxHeight) { - range.y = maxHeight - bottom; + case ACTION_NORTH: + if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) { + renderable = false; + break; } - break; - - default: - } - }; - - switch (action) { - // Move crop box - case ACTION_ALL: - left += range.x; - top += range.y; - break; - - // Resize crop box - case ACTION_EAST: - if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) { - renderable = false; - break; - } - - check(ACTION_EAST); - width += range.x; - - if (aspectRatio) { - height = width / aspectRatio; - top -= range.x / aspectRatio / 2; - } - - if (width < 0) { - action = ACTION_WEST; - width = 0; - } - - break; - - case ACTION_NORTH: - if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) { - renderable = false; - break; - } - - check(ACTION_NORTH); - height -= range.y; - top += range.y; - - if (aspectRatio) { - width = height * aspectRatio; - left += range.y * aspectRatio / 2; - } + check(ACTION_NORTH); + height -= range.y; + top += range.y; - if (height < 0) { - action = ACTION_SOUTH; - height = 0; - } + if (height < 0) { + action = ACTION_SOUTH; + height = -height; + top -= height; + } - break; + if (aspectRatio) { + width = height * aspectRatio; + left += (cropBoxData.width - width) / 2; + } - case ACTION_WEST: - if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) { - renderable = false; break; - } - check(ACTION_WEST); - width -= range.x; - left += range.x; + case ACTION_WEST: + if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) { + renderable = false; + break; + } - if (aspectRatio) { - height = width / aspectRatio; - top += range.x / aspectRatio / 2; - } + check(ACTION_WEST); + width -= range.x; + left += range.x; - if (width < 0) { - action = ACTION_EAST; - width = 0; - } + if (width < 0) { + action = ACTION_EAST; + width = -width; + left -= width; + } - break; + if (aspectRatio) { + height = width / aspectRatio; + top += (cropBoxData.height - height) / 2; + } - case ACTION_SOUTH: - if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) { - renderable = false; break; - } - - check(ACTION_SOUTH); - height += range.y; - if (aspectRatio) { - width = height * aspectRatio; - left -= range.y * aspectRatio / 2; - } + case ACTION_SOUTH: + if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) { + renderable = false; + break; + } - if (height < 0) { - action = ACTION_NORTH; - height = 0; - } + check(ACTION_SOUTH); + height += range.y; - break; + if (height < 0) { + action = ACTION_NORTH; + height = -height; + top -= height; + } - case ACTION_NORTH_EAST: - if (aspectRatio) { - if (range.y <= 0 && (top <= minTop || right >= maxWidth)) { - renderable = false; - break; + if (aspectRatio) { + width = height * aspectRatio; + left += (cropBoxData.width - width) / 2; } - check(ACTION_NORTH); - height -= range.y; - top += range.y; - width = height * aspectRatio; - } else { - check(ACTION_NORTH); - check(ACTION_EAST); + break; - if (range.x >= 0) { - if (right < maxWidth) { - width += range.x; - } else if (range.y <= 0 && top <= minTop) { + case ACTION_NORTH_EAST: + if (aspectRatio) { + if (range.y <= 0 && (top <= minTop || right >= maxWidth)) { renderable = false; + break; } + + check(ACTION_NORTH); + height -= range.y; + top += range.y; + width = height * aspectRatio; } else { - width += range.x; - } + check(ACTION_NORTH); + check(ACTION_EAST); + + if (range.x >= 0) { + if (right < maxWidth) { + width += range.x; + } else if (range.y <= 0 && top <= minTop) { + renderable = false; + } + } else { + width += range.x; + } - if (range.y <= 0) { - if (top > minTop) { + if (range.y <= 0) { + if (top > minTop) { + height -= range.y; + top += range.y; + } + } else { height -= range.y; top += range.y; } - } else { - height -= range.y; - top += range.y; } - } - if (width < 0 && height < 0) { - action = ACTION_SOUTH_WEST; - height = 0; - width = 0; - } else if (width < 0) { - action = ACTION_NORTH_WEST; - width = 0; - } else if (height < 0) { - action = ACTION_SOUTH_EAST; - height = 0; - } - - break; - - case ACTION_NORTH_WEST: - if (aspectRatio) { - if (range.y <= 0 && (top <= minTop || left <= minLeft)) { - renderable = false; - break; + if (width < 0 && height < 0) { + action = ACTION_SOUTH_WEST; + height = -height; + width = -width; + top -= height; + left -= width; + } else if (width < 0) { + action = ACTION_NORTH_WEST; + width = -width; + left -= width; + } else if (height < 0) { + action = ACTION_SOUTH_EAST; + height = -height; + top -= height; } - check(ACTION_NORTH); - height -= range.y; - top += range.y; - width = height * aspectRatio; - left += range.y * aspectRatio; - } else { - check(ACTION_NORTH); - check(ACTION_WEST); + break; - if (range.x <= 0) { - if (left > minLeft) { - width -= range.x; - left += range.x; - } else if (range.y <= 0 && top <= minTop) { + case ACTION_NORTH_WEST: + if (aspectRatio) { + if (range.y <= 0 && (top <= minTop || left <= minLeft)) { renderable = false; + break; } + + check(ACTION_NORTH); + height -= range.y; + top += range.y; + width = height * aspectRatio; + left += cropBoxData.width - width; } else { - width -= range.x; - left += range.x; - } + check(ACTION_NORTH); + check(ACTION_WEST); + + if (range.x <= 0) { + if (left > minLeft) { + width -= range.x; + left += range.x; + } else if (range.y <= 0 && top <= minTop) { + renderable = false; + } + } else { + width -= range.x; + left += range.x; + } - if (range.y <= 0) { - if (top > minTop) { + if (range.y <= 0) { + if (top > minTop) { + height -= range.y; + top += range.y; + } + } else { height -= range.y; top += range.y; } - } else { - height -= range.y; - top += range.y; } - } - - if (width < 0 && height < 0) { - action = ACTION_SOUTH_EAST; - height = 0; - width = 0; - } else if (width < 0) { - action = ACTION_NORTH_EAST; - width = 0; - } else if (height < 0) { - action = ACTION_SOUTH_WEST; - height = 0; - } - break; - - case ACTION_SOUTH_WEST: - if (aspectRatio) { - if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) { - renderable = false; - break; + if (width < 0 && height < 0) { + action = ACTION_SOUTH_EAST; + height = -height; + width = -width; + top -= height; + left -= width; + } else if (width < 0) { + action = ACTION_NORTH_EAST; + width = -width; + left -= width; + } else if (height < 0) { + action = ACTION_SOUTH_WEST; + height = -height; + top -= height; } - check(ACTION_WEST); - width -= range.x; - left += range.x; - height = width / aspectRatio; - } else { - check(ACTION_SOUTH); - check(ACTION_WEST); + break; - if (range.x <= 0) { - if (left > minLeft) { - width -= range.x; - left += range.x; - } else if (range.y >= 0 && bottom >= maxHeight) { + case ACTION_SOUTH_WEST: + if (aspectRatio) { + if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) { renderable = false; + break; } - } else { + + check(ACTION_WEST); width -= range.x; left += range.x; - } + height = width / aspectRatio; + } else { + check(ACTION_SOUTH); + check(ACTION_WEST); + + if (range.x <= 0) { + if (left > minLeft) { + width -= range.x; + left += range.x; + } else if (range.y >= 0 && bottom >= maxHeight) { + renderable = false; + } + } else { + width -= range.x; + left += range.x; + } - if (range.y >= 0) { - if (bottom < maxHeight) { + if (range.y >= 0) { + if (bottom < maxHeight) { + height += range.y; + } + } else { height += range.y; } - } else { - height += range.y; } - } - - if (width < 0 && height < 0) { - action = ACTION_NORTH_EAST; - height = 0; - width = 0; - } else if (width < 0) { - action = ACTION_SOUTH_EAST; - width = 0; - } else if (height < 0) { - action = ACTION_NORTH_WEST; - height = 0; - } - break; - - case ACTION_SOUTH_EAST: - if (aspectRatio) { - if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) { - renderable = false; - break; + if (width < 0 && height < 0) { + action = ACTION_NORTH_EAST; + height = -height; + width = -width; + top -= height; + left -= width; + } else if (width < 0) { + action = ACTION_SOUTH_EAST; + width = -width; + left -= width; + } else if (height < 0) { + action = ACTION_NORTH_WEST; + height = -height; + top -= height; } - check(ACTION_EAST); - width += range.x; - height = width / aspectRatio; - } else { - check(ACTION_SOUTH); - check(ACTION_EAST); + break; - if (range.x >= 0) { - if (right < maxWidth) { - width += range.x; - } else if (range.y >= 0 && bottom >= maxHeight) { + case ACTION_SOUTH_EAST: + if (aspectRatio) { + if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) { renderable = false; + break; } - } else { + + check(ACTION_EAST); width += range.x; - } + height = width / aspectRatio; + } else { + check(ACTION_SOUTH); + check(ACTION_EAST); + + if (range.x >= 0) { + if (right < maxWidth) { + width += range.x; + } else if (range.y >= 0 && bottom >= maxHeight) { + renderable = false; + } + } else { + width += range.x; + } - if (range.y >= 0) { - if (bottom < maxHeight) { + if (range.y >= 0) { + if (bottom < maxHeight) { + height += range.y; + } + } else { height += range.y; } - } else { - height += range.y; } - } - - if (width < 0 && height < 0) { - action = ACTION_NORTH_WEST; - height = 0; - width = 0; - } else if (width < 0) { - action = ACTION_SOUTH_WEST; - width = 0; - } else if (height < 0) { - action = ACTION_NORTH_EAST; - height = 0; - } - break; + if (width < 0 && height < 0) { + action = ACTION_NORTH_WEST; + height = -height; + width = -width; + top -= height; + left -= width; + } else if (width < 0) { + action = ACTION_SOUTH_WEST; + width = -width; + left -= width; + } else if (height < 0) { + action = ACTION_NORTH_EAST; + height = -height; + top -= height; + } - // Move canvas - case ACTION_MOVE: - this.move(range.x, range.y); - renderable = false; - break; + break; + // Move canvas - // Zoom canvas - case ACTION_ZOOM: - this.zoom(getMaxZoomRatio(pointers), e); - renderable = false; - break; + case ACTION_MOVE: + this.move(range.x, range.y); + renderable = false; + break; + // Zoom canvas - // Create crop box - case ACTION_CROP: - if (!range.x || !range.y) { + case ACTION_ZOOM: + this.zoom(getMaxZoomRatio(pointers), event); renderable = false; break; - } + // Create crop box - offset = getOffset(this.cropper); - left = pointer.startX - offset.left; - top = pointer.startY - offset.top; - width = cropBoxData.minWidth; - height = cropBoxData.minHeight; + case ACTION_CROP: + if (!range.x || !range.y) { + renderable = false; + break; + } - if (range.x > 0) { - action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST; - } else if (range.x < 0) { - left -= width; - action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST; - } + offset = getOffset(this.cropper); + left = pointer.startX - offset.left; + top = pointer.startY - offset.top; + width = cropBoxData.minWidth; + height = cropBoxData.minHeight; + + if (range.x > 0) { + action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST; + } else if (range.x < 0) { + left -= width; + action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST; + } - if (range.y < 0) { - top -= height; - } + if (range.y < 0) { + top -= height; + } // Show the crop box if is hidden - // Show the crop box if is hidden - if (!this.cropped) { - removeClass(this.cropBox, CLASS_HIDDEN); - this.cropped = true; - if (this.limited) { - this.limitCropBox(true, true); + if (!this.cropped) { + removeClass(this.cropBox, CLASS_HIDDEN); + this.cropped = true; + + if (this.limited) { + this.limitCropBox(true, true); + } } - } - break; + break; + } - default: - } + if (renderable) { + cropBoxData.width = width; + cropBoxData.height = height; + cropBoxData.left = left; + cropBoxData.top = top; + this.action = action; + this.renderCropBox(); + } // Override - if (renderable) { - cropBoxData.width = width; - cropBoxData.height = height; - cropBoxData.left = left; - cropBoxData.top = top; - this.action = action; - this.renderCropBox(); - } - // Override - each(pointers, function (p) { - p.startX = p.endX; - p.startY = p.endY; - }); - } -}; + forEach(pointers, function (p) { + p.startX = p.endX; + p.startY = p.endY; + }); + } + }; -var methods = { - // Show the crop box manually - crop: function crop() { - if (this.ready && !this.disabled) { - if (!this.cropped) { + var methods = { + // Show the crop box manually + crop: function crop() { + if (this.ready && !this.cropped && !this.disabled) { this.cropped = true; this.limitCropBox(true, true); @@ -2528,1164 +2451,1099 @@ var methods = { } removeClass(this.cropBox, CLASS_HIDDEN); + this.setCropBoxData(this.initialCropBoxData); } - this.setCropBoxData(this.initialCropBoxData); - } - - return this; - }, - + return this; + }, + // Reset the image and crop box to their initial states + reset: function reset() { + if (this.ready && !this.disabled) { + this.imageData = assign({}, this.initialImageData); + this.canvasData = assign({}, this.initialCanvasData); + this.cropBoxData = assign({}, this.initialCropBoxData); + this.renderCanvas(); - // Reset the image and crop box to their initial states - reset: function reset() { - if (this.ready && !this.disabled) { - this.imageData = extend({}, this.initialImageData); - this.canvasData = extend({}, this.initialCanvasData); - this.cropBoxData = extend({}, this.initialCropBoxData); - this.renderCanvas(); - - if (this.cropped) { - this.renderCropBox(); + if (this.cropped) { + this.renderCropBox(); + } } - } - - return this; - }, - - - // Clear the crop box - clear: function clear() { - if (this.cropped && !this.disabled) { - extend(this.cropBoxData, { - left: 0, - top: 0, - width: 0, - height: 0 - }); - - this.cropped = false; - this.renderCropBox(); - this.limitCanvas(true, true); - - // Render canvas after crop box rendered - this.renderCanvas(); - removeClass(this.dragBox, CLASS_MODAL); - addClass(this.cropBox, CLASS_HIDDEN); - } - - return this; - }, + return this; + }, + // Clear the crop box + clear: function clear() { + if (this.cropped && !this.disabled) { + assign(this.cropBoxData, { + left: 0, + top: 0, + width: 0, + height: 0 + }); + this.cropped = false; + this.renderCropBox(); + this.limitCanvas(true, true); // Render canvas after crop box rendered - /** - * Replace the image's src and rebuild the cropper - * @param {string} url - The new URL. - * @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color. - * @returns {Object} this - */ - replace: function replace(url) { - var onlyColorChanged = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; - - if (!this.disabled && url) { - if (this.isImg) { - this.element.src = url; + this.renderCanvas(); + removeClass(this.dragBox, CLASS_MODAL); + addClass(this.cropBox, CLASS_HIDDEN); } - if (onlyColorChanged) { - this.url = url; - this.image.src = url; + return this; + }, - if (this.ready) { - this.image2.src = url; + /** + * Replace the image's src and rebuild the cropper + * @param {string} url - The new URL. + * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one. + * @returns {Cropper} this + */ + replace: function replace(url) { + var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; - each(this.previews, function (element) { - element.getElementsByTagName('img')[0].src = url; - }); - } - } else { + if (!this.disabled && url) { if (this.isImg) { - this.replaced = true; + this.element.src = url; } - // Clear previous data - this.options.data = null; - this.load(url); - } - } - - return this; - }, - - - // Enable (unfreeze) the cropper - enable: function enable() { - if (this.ready) { - this.disabled = false; - removeClass(this.cropper, CLASS_DISABLED); - } - - return this; - }, - - - // Disable (freeze) the cropper - disable: function disable() { - if (this.ready) { - this.disabled = true; - addClass(this.cropper, CLASS_DISABLED); - } - - return this; - }, + if (hasSameSize) { + this.url = url; + this.image.src = url; + if (this.ready) { + this.viewBoxImage.src = url; + forEach(this.previews, function (element) { + element.getElementsByTagName('img')[0].src = url; + }); + } + } else { + if (this.isImg) { + this.replaced = true; + } - // Destroy the cropper and remove the instance from the image - destroy: function destroy() { - var element = this.element, - image = this.image; - - - if (this.loaded) { - if (this.isImg && this.replaced) { - element.src = this.originalUrl; - } - - this.unbuild(); - removeClass(element, CLASS_HIDDEN); - } else if (this.isImg) { - removeListener(element, EVENT_LOAD, this.onStart); - } else if (image) { - image.parentNode.removeChild(image); - } - - removeData(element, NAMESPACE); - - return this; - }, - - - /** - * Move the canvas with relative offsets - * @param {number} offsetX - The relative offset distance on the x-axis. - * @param {number} offsetY - The relative offset distance on the y-axis. - * @returns {Object} this - */ - move: function move(offsetX, offsetY) { - var _canvasData = this.canvasData, - left = _canvasData.left, - top = _canvasData.top; - - - return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY)); - }, - - - /** - * Move the canvas to an absolute point - * @param {number} x - The x-axis coordinate. - * @param {number} [y=x] - The y-axis coordinate. - * @returns {Object} this - */ - moveTo: function moveTo(x) { - var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x; - var canvasData = this.canvasData; - - var changed = false; - - x = Number(x); - y = Number(y); - - if (this.ready && !this.disabled && this.options.movable) { - if (isNumber(x)) { - canvasData.left = x; - changed = true; + this.options.data = null; + this.uncreate(); + this.load(url); + } } - if (isNumber(y)) { - canvasData.top = y; - changed = true; + return this; + }, + // Enable (unfreeze) the cropper + enable: function enable() { + if (this.ready && this.disabled) { + this.disabled = false; + removeClass(this.cropper, CLASS_DISABLED); } - if (changed) { - this.renderCanvas(true); + return this; + }, + // Disable (freeze) the cropper + disable: function disable() { + if (this.ready && !this.disabled) { + this.disabled = true; + addClass(this.cropper, CLASS_DISABLED); } - } - - return this; - }, - - - /** - * Zoom the canvas with a relative ratio - * @param {number} ratio - The target ratio. - * @param {Event} _originalEvent - The original event if any. - * @returns {Object} this - */ - zoom: function zoom(ratio, _originalEvent) { - var canvasData = this.canvasData; - - - ratio = Number(ratio); - - if (ratio < 0) { - ratio = 1 / (1 - ratio); - } else { - ratio = 1 + ratio; - } - - return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent); - }, + return this; + }, - /** - * Zoom the canvas to an absolute ratio - * @param {number} ratio - The target ratio. - * @param {Object} pivot - The zoom pivot point coordinate. - * @param {Event} _originalEvent - The original event if any. - * @returns {Object} this - */ - zoomTo: function zoomTo(ratio, pivot, _originalEvent) { - var options = this.options, - canvasData = this.canvasData; - var width = canvasData.width, - height = canvasData.height, - naturalWidth = canvasData.naturalWidth, - naturalHeight = canvasData.naturalHeight; - - - ratio = Number(ratio); - - if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) { - var newWidth = naturalWidth * ratio; - var newHeight = naturalHeight * ratio; + /** + * Destroy the cropper and remove the instance from the image + * @returns {Cropper} this + */ + destroy: function destroy() { + var element = this.element; - if (dispatchEvent(this.element, EVENT_ZOOM, { - originalEvent: _originalEvent, - oldRatio: width / naturalWidth, - ratio: newWidth / naturalWidth - }) === false) { + if (!element[NAMESPACE]) { return this; } - if (_originalEvent) { - var pointers = this.pointers; - - var offset = getOffset(this.cropper); - var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : { - pageX: _originalEvent.pageX, - pageY: _originalEvent.pageY - }; + element[NAMESPACE] = undefined; - // Zoom from the triggering point of the event - canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width); - canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height); - } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) { - canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width); - canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height); - } else { - // Zoom from the center of the canvas - canvasData.left -= (newWidth - width) / 2; - canvasData.top -= (newHeight - height) / 2; + if (this.isImg && this.replaced) { + element.src = this.originalUrl; } - canvasData.width = newWidth; - canvasData.height = newHeight; - this.renderCanvas(true); - } - - return this; - }, - - - /** - * Rotate the canvas with a relative degree - * @param {number} degree - The rotate degree. - * @returns {Object} this - */ - rotate: function rotate(degree) { - return this.rotateTo((this.imageData.rotate || 0) + Number(degree)); - }, - - - /** - * Rotate the canvas to an absolute degree - * @param {number} degree - The rotate degree. - * @returns {Object} this - */ - rotateTo: function rotateTo(degree) { - degree = Number(degree); - - if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) { - this.imageData.rotate = degree % 360; - this.renderCanvas(true, true); - } - - return this; - }, + this.uncreate(); + return this; + }, + /** + * Move the canvas with relative offsets + * @param {number} offsetX - The relative offset distance on the x-axis. + * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis. + * @returns {Cropper} this + */ + move: function move(offsetX) { + var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX; + var _this$canvasData = this.canvasData, + left = _this$canvasData.left, + top = _this$canvasData.top; + return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY)); + }, - /** - * Scale the image on the x-axis. - * @param {number} scaleX - The scale ratio on the x-axis. - * @returns {Object} this - */ - scaleX: function scaleX(_scaleX) { - var scaleY = this.imageData.scaleY; + /** + * Move the canvas to an absolute point + * @param {number} x - The x-axis coordinate. + * @param {number} [y=x] - The y-axis coordinate. + * @returns {Cropper} this + */ + moveTo: function moveTo(x) { + var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x; + var canvasData = this.canvasData; + var changed = false; + x = Number(x); + y = Number(y); + + if (this.ready && !this.disabled && this.options.movable) { + if (isNumber(x)) { + canvasData.left = x; + changed = true; + } + if (isNumber(y)) { + canvasData.top = y; + changed = true; + } - return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1); - }, + if (changed) { + this.renderCanvas(true); + } + } + return this; + }, - /** - * Scale the image on the y-axis. - * @param {number} scaleY - The scale ratio on the y-axis. - * @returns {Object} this - */ - scaleY: function scaleY(_scaleY) { - var scaleX = this.imageData.scaleX; + /** + * Zoom the canvas with a relative ratio + * @param {number} ratio - The target ratio. + * @param {Event} _originalEvent - The original event if any. + * @returns {Cropper} this + */ + zoom: function zoom(ratio, _originalEvent) { + var canvasData = this.canvasData; + ratio = Number(ratio); + if (ratio < 0) { + ratio = 1 / (1 - ratio); + } else { + ratio = 1 + ratio; + } - return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY); - }, + return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent); + }, + /** + * Zoom the canvas to an absolute ratio + * @param {number} ratio - The target ratio. + * @param {Object} pivot - The zoom pivot point coordinate. + * @param {Event} _originalEvent - The original event if any. + * @returns {Cropper} this + */ + zoomTo: function zoomTo(ratio, pivot, _originalEvent) { + var options = this.options, + canvasData = this.canvasData; + var width = canvasData.width, + height = canvasData.height, + naturalWidth = canvasData.naturalWidth, + naturalHeight = canvasData.naturalHeight; + ratio = Number(ratio); + + if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) { + var newWidth = naturalWidth * ratio; + var newHeight = naturalHeight * ratio; + + if (dispatchEvent(this.element, EVENT_ZOOM, { + ratio: ratio, + oldRatio: width / naturalWidth, + originalEvent: _originalEvent + }) === false) { + return this; + } - /** - * Scale the image - * @param {number} scaleX - The scale ratio on the x-axis. - * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis. - * @returns {Object} this - */ - scale: function scale(scaleX) { - var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX; - var imageData = this.imageData; + if (_originalEvent) { + var pointers = this.pointers; + var offset = getOffset(this.cropper); + var center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : { + pageX: _originalEvent.pageX, + pageY: _originalEvent.pageY + }; // Zoom from the triggering point of the event + + canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width); + canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height); + } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) { + canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width); + canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height); + } else { + // Zoom from the center of the canvas + canvasData.left -= (newWidth - width) / 2; + canvasData.top -= (newHeight - height) / 2; + } - var transformed = false; + canvasData.width = newWidth; + canvasData.height = newHeight; + this.renderCanvas(true); + } - scaleX = Number(scaleX); - scaleY = Number(scaleY); + return this; + }, - if (this.ready && !this.disabled && this.options.scalable) { - if (isNumber(scaleX)) { - imageData.scaleX = scaleX; - transformed = true; - } + /** + * Rotate the canvas with a relative degree + * @param {number} degree - The rotate degree. + * @returns {Cropper} this + */ + rotate: function rotate(degree) { + return this.rotateTo((this.imageData.rotate || 0) + Number(degree)); + }, - if (isNumber(scaleY)) { - imageData.scaleY = scaleY; - transformed = true; - } + /** + * Rotate the canvas to an absolute degree + * @param {number} degree - The rotate degree. + * @returns {Cropper} this + */ + rotateTo: function rotateTo(degree) { + degree = Number(degree); - if (transformed) { + if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) { + this.imageData.rotate = degree % 360; this.renderCanvas(true, true); } - } - - return this; - }, - - - /** - * Get the cropped area position and size data (base on the original image) - * @param {boolean} [rounded=false] - Indicate if round the data values or not. - * @returns {Object} The result cropped data. - */ - getData: function getData$$1() { - var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; - var options = this.options, - imageData = this.imageData, - canvasData = this.canvasData, - cropBoxData = this.cropBoxData; - - var data = void 0; - - if (this.ready && this.cropped) { - data = { - x: cropBoxData.left - canvasData.left, - y: cropBoxData.top - canvasData.top, - width: cropBoxData.width, - height: cropBoxData.height - }; - - var ratio = imageData.width / imageData.naturalWidth; - - each(data, function (n, i) { - n /= ratio; - data[i] = rounded ? Math.round(n) : n; - }); - } else { - data = { - x: 0, - y: 0, - width: 0, - height: 0 - }; - } - - if (options.rotatable) { - data.rotate = imageData.rotate || 0; - } - - if (options.scalable) { - data.scaleX = imageData.scaleX || 1; - data.scaleY = imageData.scaleY || 1; - } - return data; - }, - - - /** - * Set the cropped area position and size with new data - * @param {Object} data - The new data. - * @returns {Object} this - */ - setData: function setData$$1(data) { - var options = this.options, - imageData = this.imageData, - canvasData = this.canvasData; + return this; + }, - var cropBoxData = {}; + /** + * Scale the image on the x-axis. + * @param {number} scaleX - The scale ratio on the x-axis. + * @returns {Cropper} this + */ + scaleX: function scaleX(_scaleX) { + var scaleY = this.imageData.scaleY; + return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1); + }, - if (isFunction(data)) { - data = data.call(this.element); - } + /** + * Scale the image on the y-axis. + * @param {number} scaleY - The scale ratio on the y-axis. + * @returns {Cropper} this + */ + scaleY: function scaleY(_scaleY) { + var scaleX = this.imageData.scaleX; + return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY); + }, - if (this.ready && !this.disabled && isPlainObject(data)) { + /** + * Scale the image + * @param {number} scaleX - The scale ratio on the x-axis. + * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis. + * @returns {Cropper} this + */ + scale: function scale(scaleX) { + var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX; + var imageData = this.imageData; var transformed = false; + scaleX = Number(scaleX); + scaleY = Number(scaleY); - if (options.rotatable) { - if (isNumber(data.rotate) && data.rotate !== imageData.rotate) { - imageData.rotate = data.rotate; + if (this.ready && !this.disabled && this.options.scalable) { + if (isNumber(scaleX)) { + imageData.scaleX = scaleX; transformed = true; } - } - if (options.scalable) { - if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) { - imageData.scaleX = data.scaleX; + if (isNumber(scaleY)) { + imageData.scaleY = scaleY; transformed = true; } - if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) { - imageData.scaleY = data.scaleY; - transformed = true; + if (transformed) { + this.renderCanvas(true, true); } } - if (transformed) { - this.renderCanvas(true, true); - } + return this; + }, - var ratio = imageData.width / imageData.naturalWidth; - - if (isNumber(data.x)) { - cropBoxData.left = data.x * ratio + canvasData.left; - } + /** + * Get the cropped area position and size data (base on the original image) + * @param {boolean} [rounded=false] - Indicate if round the data values or not. + * @returns {Object} The result cropped data. + */ + getData: function getData() { + var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + var options = this.options, + imageData = this.imageData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + var data; + + if (this.ready && this.cropped) { + data = { + x: cropBoxData.left - canvasData.left, + y: cropBoxData.top - canvasData.top, + width: cropBoxData.width, + height: cropBoxData.height + }; + var ratio = imageData.width / imageData.naturalWidth; + forEach(data, function (n, i) { + data[i] = n / ratio; + }); - if (isNumber(data.y)) { - cropBoxData.top = data.y * ratio + canvasData.top; + if (rounded) { + // In case rounding off leads to extra 1px in right or bottom border + // we should round the top-left corner and the dimension (#343). + var bottom = Math.round(data.y + data.height); + var right = Math.round(data.x + data.width); + data.x = Math.round(data.x); + data.y = Math.round(data.y); + data.width = right - data.x; + data.height = bottom - data.y; + } + } else { + data = { + x: 0, + y: 0, + width: 0, + height: 0 + }; } - if (isNumber(data.width)) { - cropBoxData.width = data.width * ratio; + if (options.rotatable) { + data.rotate = imageData.rotate || 0; } - if (isNumber(data.height)) { - cropBoxData.height = data.height * ratio; + if (options.scalable) { + data.scaleX = imageData.scaleX || 1; + data.scaleY = imageData.scaleY || 1; } - this.setCropBoxData(cropBoxData); - } - - return this; - }, - - - /** - * Get the container size data. - * @returns {Object} The result container data. - */ - getContainerData: function getContainerData() { - return this.ready ? extend({}, this.containerData) : {}; - }, - + return data; + }, - /** - * Get the image position and size data. - * @returns {Object} The result image data. - */ - getImageData: function getImageData() { - return this.loaded ? extend({}, this.imageData) : {}; - }, + /** + * Set the cropped area position and size with new data + * @param {Object} data - The new data. + * @returns {Cropper} this + */ + setData: function setData(data) { + var options = this.options, + imageData = this.imageData, + canvasData = this.canvasData; + var cropBoxData = {}; + if (this.ready && !this.disabled && isPlainObject(data)) { + var transformed = false; - /** - * Get the canvas position and size data. - * @returns {Object} The result canvas data. - */ - getCanvasData: function getCanvasData() { - var canvasData = this.canvasData; - - var data = {}; + if (options.rotatable) { + if (isNumber(data.rotate) && data.rotate !== imageData.rotate) { + imageData.rotate = data.rotate; + transformed = true; + } + } - if (this.ready) { - each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) { - data[n] = canvasData[n]; - }); - } + if (options.scalable) { + if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) { + imageData.scaleX = data.scaleX; + transformed = true; + } - return data; - }, + if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) { + imageData.scaleY = data.scaleY; + transformed = true; + } + } + if (transformed) { + this.renderCanvas(true, true); + } - /** - * Set the canvas position and size with new data. - * @param {Object} data - The new canvas data. - * @returns {Object} this - */ - setCanvasData: function setCanvasData(data) { - var canvasData = this.canvasData; - var aspectRatio = canvasData.aspectRatio; + var ratio = imageData.width / imageData.naturalWidth; + if (isNumber(data.x)) { + cropBoxData.left = data.x * ratio + canvasData.left; + } - if (isFunction(data)) { - data = data.call(this.element); - } + if (isNumber(data.y)) { + cropBoxData.top = data.y * ratio + canvasData.top; + } - if (this.ready && !this.disabled && isPlainObject(data)) { - if (isNumber(data.left)) { - canvasData.left = data.left; - } + if (isNumber(data.width)) { + cropBoxData.width = data.width * ratio; + } - if (isNumber(data.top)) { - canvasData.top = data.top; - } + if (isNumber(data.height)) { + cropBoxData.height = data.height * ratio; + } - if (isNumber(data.width)) { - canvasData.width = data.width; - canvasData.height = data.width / aspectRatio; - } else if (isNumber(data.height)) { - canvasData.height = data.height; - canvasData.width = data.height * aspectRatio; + this.setCropBoxData(cropBoxData); } - this.renderCanvas(true); - } - - return this; - }, + return this; + }, + /** + * Get the container size data. + * @returns {Object} The result container data. + */ + getContainerData: function getContainerData() { + return this.ready ? assign({}, this.containerData) : {}; + }, - /** - * Get the crop box position and size data. - * @returns {Object} The result crop box data. - */ - getCropBoxData: function getCropBoxData() { - var cropBoxData = this.cropBoxData; + /** + * Get the image position and size data. + * @returns {Object} The result image data. + */ + getImageData: function getImageData() { + return this.sized ? assign({}, this.imageData) : {}; + }, - var data = void 0; + /** + * Get the canvas position and size data. + * @returns {Object} The result canvas data. + */ + getCanvasData: function getCanvasData() { + var canvasData = this.canvasData; + var data = {}; - if (this.ready && this.cropped) { - data = { - left: cropBoxData.left, - top: cropBoxData.top, - width: cropBoxData.width, - height: cropBoxData.height - }; - } + if (this.ready) { + forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) { + data[n] = canvasData[n]; + }); + } - return data || {}; - }, + return data; + }, + /** + * Set the canvas position and size with new data. + * @param {Object} data - The new canvas data. + * @returns {Cropper} this + */ + setCanvasData: function setCanvasData(data) { + var canvasData = this.canvasData; + var aspectRatio = canvasData.aspectRatio; - /** - * Set the crop box position and size with new data. - * @param {Object} data - The new crop box data. - * @returns {Object} this - */ - setCropBoxData: function setCropBoxData(data) { - var cropBoxData = this.cropBoxData; - var aspectRatio = this.options.aspectRatio; + if (this.ready && !this.disabled && isPlainObject(data)) { + if (isNumber(data.left)) { + canvasData.left = data.left; + } - var widthChanged = void 0; - var heightChanged = void 0; + if (isNumber(data.top)) { + canvasData.top = data.top; + } - if (isFunction(data)) { - data = data.call(this.element); - } + if (isNumber(data.width)) { + canvasData.width = data.width; + canvasData.height = data.width / aspectRatio; + } else if (isNumber(data.height)) { + canvasData.height = data.height; + canvasData.width = data.height * aspectRatio; + } - if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) { - if (isNumber(data.left)) { - cropBoxData.left = data.left; + this.renderCanvas(true); } - if (isNumber(data.top)) { - cropBoxData.top = data.top; - } + return this; + }, - if (isNumber(data.width) && data.width !== cropBoxData.width) { - widthChanged = true; - cropBoxData.width = data.width; + /** + * Get the crop box position and size data. + * @returns {Object} The result crop box data. + */ + getCropBoxData: function getCropBoxData() { + var cropBoxData = this.cropBoxData; + var data; + + if (this.ready && this.cropped) { + data = { + left: cropBoxData.left, + top: cropBoxData.top, + width: cropBoxData.width, + height: cropBoxData.height + }; } - if (isNumber(data.height) && data.height !== cropBoxData.height) { - heightChanged = true; - cropBoxData.height = data.height; - } + return data || {}; + }, - if (aspectRatio) { - if (widthChanged) { - cropBoxData.height = cropBoxData.width / aspectRatio; - } else if (heightChanged) { - cropBoxData.width = cropBoxData.height * aspectRatio; + /** + * Set the crop box position and size with new data. + * @param {Object} data - The new crop box data. + * @returns {Cropper} this + */ + setCropBoxData: function setCropBoxData(data) { + var cropBoxData = this.cropBoxData; + var aspectRatio = this.options.aspectRatio; + var widthChanged; + var heightChanged; + + if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) { + if (isNumber(data.left)) { + cropBoxData.left = data.left; } - } - - this.renderCropBox(); - } - - return this; - }, + if (isNumber(data.top)) { + cropBoxData.top = data.top; + } - /** - * Get a canvas drawn the cropped image. - * @param {Object} [options={}] - The config options. - * @returns {HTMLCanvasElement} - The result canvas. - */ - getCroppedCanvas: function getCroppedCanvas() { - var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - - if (!this.ready || !window.HTMLCanvasElement) { - return null; - } - - var canvasData = this.canvasData; - - var source = getSourceCanvas(this.image, this.imageData, canvasData, options); - - // Returns the source canvas if it is not cropped. - if (!this.cropped) { - return source; - } - - var _getData = this.getData(), - x = _getData.x, - y = _getData.y, - initialWidth = _getData.width, - initialHeight = _getData.height; - - var aspectRatio = initialWidth / initialHeight; - var maxSizes = getContainSizes({ - aspectRatio: aspectRatio, - width: options.maxWidth || Infinity, - height: options.maxHeight || Infinity - }); - var minSizes = getContainSizes({ - aspectRatio: aspectRatio, - width: options.minWidth || 0, - height: options.minHeight || 0 - }); - - var _getContainSizes = getContainSizes({ - aspectRatio: aspectRatio, - width: options.width || initialWidth, - height: options.height || initialHeight - }), - width = _getContainSizes.width, - height = _getContainSizes.height; - - width = Math.min(maxSizes.width, Math.max(minSizes.width, width)); - height = Math.min(maxSizes.height, Math.max(minSizes.height, height)); - - var canvas = document.createElement('canvas'); - var context = canvas.getContext('2d'); - - canvas.width = normalizeDecimalNumber(width); - canvas.height = normalizeDecimalNumber(height); - - context.fillStyle = options.fillColor || 'transparent'; - context.fillRect(0, 0, width, height); + if (isNumber(data.width) && data.width !== cropBoxData.width) { + widthChanged = true; + cropBoxData.width = data.width; + } - var _options$imageSmoothi = options.imageSmoothingEnabled, - imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi, - imageSmoothingQuality = options.imageSmoothingQuality; + if (isNumber(data.height) && data.height !== cropBoxData.height) { + heightChanged = true; + cropBoxData.height = data.height; + } + if (aspectRatio) { + if (widthChanged) { + cropBoxData.height = cropBoxData.width / aspectRatio; + } else if (heightChanged) { + cropBoxData.width = cropBoxData.height * aspectRatio; + } + } - context.imageSmoothingEnabled = imageSmoothingEnabled; + this.renderCropBox(); + } - if (imageSmoothingQuality) { - context.imageSmoothingQuality = imageSmoothingQuality; - } + return this; + }, - // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage - var sourceWidth = source.width; - var sourceHeight = source.height; - - // Source canvas parameters - var srcX = x; - var srcY = y; - var srcWidth = void 0; - var srcHeight = void 0; - - // Destination canvas parameters - var dstX = void 0; - var dstY = void 0; - var dstWidth = void 0; - var dstHeight = void 0; - - if (srcX <= -initialWidth || srcX > sourceWidth) { - srcX = 0; - srcWidth = 0; - dstX = 0; - dstWidth = 0; - } else if (srcX <= 0) { - dstX = -srcX; - srcX = 0; - srcWidth = Math.min(sourceWidth, initialWidth + srcX); - dstWidth = srcWidth; - } else if (srcX <= sourceWidth) { - dstX = 0; - srcWidth = Math.min(initialWidth, sourceWidth - srcX); - dstWidth = srcWidth; - } + /** + * Get a canvas drawn the cropped image. + * @param {Object} [options={}] - The config options. + * @returns {HTMLCanvasElement} - The result canvas. + */ + getCroppedCanvas: function getCroppedCanvas() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; - if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) { - srcY = 0; - srcHeight = 0; - dstY = 0; - dstHeight = 0; - } else if (srcY <= 0) { - dstY = -srcY; - srcY = 0; - srcHeight = Math.min(sourceHeight, initialHeight + srcY); - dstHeight = srcHeight; - } else if (srcY <= sourceHeight) { - dstY = 0; - srcHeight = Math.min(initialHeight, sourceHeight - srcY); - dstHeight = srcHeight; - } + if (!this.ready || !window.HTMLCanvasElement) { + return null; + } - // All the numerical parameters should be integer for `drawImage` - // https://github.com/fengyuanchen/cropper/issues/476 - var params = [srcX, srcY, srcWidth, srcHeight]; + var canvasData = this.canvasData; + var source = getSourceCanvas(this.image, this.imageData, canvasData, options); // Returns the source canvas if it is not cropped. - // Avoid "IndexSizeError" - if (dstWidth > 0 && dstHeight > 0) { - var scale = width / initialWidth; + if (!this.cropped) { + return source; + } - params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale); - } + var _this$getData = this.getData(), + initialX = _this$getData.x, + initialY = _this$getData.y, + initialWidth = _this$getData.width, + initialHeight = _this$getData.height; - context.drawImage.apply(context, [source].concat(toConsumableArray(params.map(function (param) { - return Math.floor(normalizeDecimalNumber(param)); - })))); + var ratio = source.width / Math.floor(canvasData.naturalWidth); - return canvas; - }, + if (ratio !== 1) { + initialX *= ratio; + initialY *= ratio; + initialWidth *= ratio; + initialHeight *= ratio; + } + var aspectRatio = initialWidth / initialHeight; + var maxSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: options.maxWidth || Infinity, + height: options.maxHeight || Infinity + }); + var minSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: options.minWidth || 0, + height: options.minHeight || 0 + }, 'cover'); - /** - * Change the aspect ratio of the crop box. - * @param {number} aspectRatio - The new aspect ratio. - * @returns {Object} this - */ - setAspectRatio: function setAspectRatio(aspectRatio) { - var options = this.options; + var _getAdjustedSizes = getAdjustedSizes({ + aspectRatio: aspectRatio, + width: options.width || (ratio !== 1 ? source.width : initialWidth), + height: options.height || (ratio !== 1 ? source.height : initialHeight) + }), + width = _getAdjustedSizes.width, + height = _getAdjustedSizes.height; + + width = Math.min(maxSizes.width, Math.max(minSizes.width, width)); + height = Math.min(maxSizes.height, Math.max(minSizes.height, height)); + var canvas = document.createElement('canvas'); + var context = canvas.getContext('2d'); + canvas.width = normalizeDecimalNumber(width); + canvas.height = normalizeDecimalNumber(height); + context.fillStyle = options.fillColor || 'transparent'; + context.fillRect(0, 0, width, height); + var _options$imageSmoothi = options.imageSmoothingEnabled, + imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi, + imageSmoothingQuality = options.imageSmoothingQuality; + context.imageSmoothingEnabled = imageSmoothingEnabled; + + if (imageSmoothingQuality) { + context.imageSmoothingQuality = imageSmoothingQuality; + } // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage + + + var sourceWidth = source.width; + var sourceHeight = source.height; // Source canvas parameters + + var srcX = initialX; + var srcY = initialY; + var srcWidth; + var srcHeight; // Destination canvas parameters + + var dstX; + var dstY; + var dstWidth; + var dstHeight; + + if (srcX <= -initialWidth || srcX > sourceWidth) { + srcX = 0; + srcWidth = 0; + dstX = 0; + dstWidth = 0; + } else if (srcX <= 0) { + dstX = -srcX; + srcX = 0; + srcWidth = Math.min(sourceWidth, initialWidth + srcX); + dstWidth = srcWidth; + } else if (srcX <= sourceWidth) { + dstX = 0; + srcWidth = Math.min(initialWidth, sourceWidth - srcX); + dstWidth = srcWidth; + } + + if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) { + srcY = 0; + srcHeight = 0; + dstY = 0; + dstHeight = 0; + } else if (srcY <= 0) { + dstY = -srcY; + srcY = 0; + srcHeight = Math.min(sourceHeight, initialHeight + srcY); + dstHeight = srcHeight; + } else if (srcY <= sourceHeight) { + dstY = 0; + srcHeight = Math.min(initialHeight, sourceHeight - srcY); + dstHeight = srcHeight; + } + + var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError" + + if (dstWidth > 0 && dstHeight > 0) { + var scale = width / initialWidth; + params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale); + } // All the numerical parameters should be integer for `drawImage` + // https://github.com/fengyuanchen/cropper/issues/476 + + + context.drawImage.apply(context, [source].concat(_toConsumableArray(params.map(function (param) { + return Math.floor(normalizeDecimalNumber(param)); + })))); + return canvas; + }, + /** + * Change the aspect ratio of the crop box. + * @param {number} aspectRatio - The new aspect ratio. + * @returns {Cropper} this + */ + setAspectRatio: function setAspectRatio(aspectRatio) { + var options = this.options; - if (!this.disabled && !isUndefined(aspectRatio)) { - // 0 -> NaN - options.aspectRatio = Math.max(0, aspectRatio) || NaN; + if (!this.disabled && !isUndefined(aspectRatio)) { + // 0 -> NaN + options.aspectRatio = Math.max(0, aspectRatio) || NaN; - if (this.ready) { - this.initCropBox(); + if (this.ready) { + this.initCropBox(); - if (this.cropped) { - this.renderCropBox(); + if (this.cropped) { + this.renderCropBox(); + } } } - } - - return this; - }, - - - /** - * Change the drag mode. - * @param {string} mode - The new drag mode. - * @returns {Object} this - */ - setDragMode: function setDragMode(mode) { - var options = this.options, - dragBox = this.dragBox, - face = this.face; - - if (this.loaded && !this.disabled) { - var croppable = mode === DRAG_MODE_CROP; - var movable = options.movable && mode === DRAG_MODE_MOVE; + return this; + }, - mode = croppable || movable ? mode : DRAG_MODE_NONE; - - setData(dragBox, DATA_ACTION, mode); - toggleClass(dragBox, CLASS_CROP, croppable); - toggleClass(dragBox, CLASS_MOVE, movable); - - if (!options.cropBoxMovable) { - // Sync drag mode to crop box when it is not movable - setData(face, DATA_ACTION, mode); - toggleClass(face, CLASS_CROP, croppable); - toggleClass(face, CLASS_MOVE, movable); + /** + * Change the drag mode. + * @param {string} mode - The new drag mode. + * @returns {Cropper} this + */ + setDragMode: function setDragMode(mode) { + var options = this.options, + dragBox = this.dragBox, + face = this.face; + + if (this.ready && !this.disabled) { + var croppable = mode === DRAG_MODE_CROP; + var movable = options.movable && mode === DRAG_MODE_MOVE; + mode = croppable || movable ? mode : DRAG_MODE_NONE; + options.dragMode = mode; + setData(dragBox, DATA_ACTION, mode); + toggleClass(dragBox, CLASS_CROP, croppable); + toggleClass(dragBox, CLASS_MOVE, movable); + + if (!options.cropBoxMovable) { + // Sync drag mode to crop box when it is not movable + setData(face, DATA_ACTION, mode); + toggleClass(face, CLASS_CROP, croppable); + toggleClass(face, CLASS_MOVE, movable); + } } - } - - return this; - } -}; - -var AnotherCropper = WINDOW.Cropper; - -var Cropper = function () { - /** - * Create a new Cropper. - * @param {Element} element - The target element for cropping. - * @param {Object} [options={}] - The configuration options. - */ - function Cropper(element) { - var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - classCallCheck(this, Cropper); - if (!element || !REGEXP_TAG_NAME.test(element.tagName)) { - throw new Error('The first argument is required and must be an <img> or <canvas> element.'); + return this; } + }; - this.element = element; - this.options = extend({}, DEFAULTS, isPlainObject(options) && options); - this.complete = false; - this.cropped = false; - this.disabled = false; - this.isImg = false; - this.limited = false; - this.loaded = false; - this.ready = false; - this.replaced = false; - this.wheeling = false; - this.originalUrl = ''; - this.canvasData = null; - this.cropBoxData = null; - this.previews = null; - this.pointers = {}; - this.init(); - } + var AnotherCropper = WINDOW.Cropper; - createClass(Cropper, [{ - key: 'init', - value: function init() { - var element = this.element; + var Cropper = /*#__PURE__*/function () { + /** + * Create a new Cropper. + * @param {Element} element - The target element for cropping. + * @param {Object} [options={}] - The configuration options. + */ + function Cropper(element) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - var tagName = element.tagName.toLowerCase(); - var url = void 0; + _classCallCheck(this, Cropper); - if (getData(element, NAMESPACE)) { - return; + if (!element || !REGEXP_TAG_NAME.test(element.tagName)) { + throw new Error('The first argument is required and must be an <img> or <canvas> element.'); } - setData(element, NAMESPACE, this); - - if (tagName === 'img') { - this.isImg = true; + this.element = element; + this.options = assign({}, DEFAULTS, isPlainObject(options) && options); + this.cropped = false; + this.disabled = false; + this.pointers = {}; + this.ready = false; + this.reloading = false; + this.replaced = false; + this.sized = false; + this.sizing = false; + this.init(); + } - // e.g.: "img/picture.jpg" - url = element.getAttribute('src') || ''; - this.originalUrl = url; + _createClass(Cropper, [{ + key: "init", + value: function init() { + var element = this.element; + var tagName = element.tagName.toLowerCase(); + var url; - // Stop when it's a blank image - if (!url) { + if (element[NAMESPACE]) { return; } - // e.g.: "http://example.com/img/picture.jpg" - url = element.src; - } else if (tagName === 'canvas' && window.HTMLCanvasElement) { - url = element.toDataURL(); - } + element[NAMESPACE] = this; - this.load(url); - } - }, { - key: 'load', - value: function load(url) { - var _this = this; + if (tagName === 'img') { + this.isImg = true; // e.g.: "img/picture.jpg" - if (!url) { - return; - } + url = element.getAttribute('src') || ''; + this.originalUrl = url; // Stop when it's a blank image - this.url = url; - this.imageData = {}; + if (!url) { + return; + } // e.g.: "https://example.com/img/picture.jpg" - var element = this.element, - options = this.options; + url = element.src; + } else if (tagName === 'canvas' && window.HTMLCanvasElement) { + url = element.toDataURL(); + } - if (!options.checkOrientation || !window.ArrayBuffer) { - this.clone(); - return; + this.load(url); } + }, { + key: "load", + value: function load(url) { + var _this = this; - // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari - if (REGEXP_DATA_URL.test(url)) { - if (REGEXP_DATA_URL_JPEG.test(url)) { - this.read(dataURLToArrayBuffer(url)); - } else { - this.clone(); + if (!url) { + return; } - return; - } + this.url = url; + this.imageData = {}; + var element = this.element, + options = this.options; - var xhr = new XMLHttpRequest(); + if (!options.rotatable && !options.scalable) { + options.checkOrientation = false; + } // Only IE10+ supports Typed Arrays - xhr.onerror = function () { - _this.clone(); - }; - xhr.onload = function () { - _this.read(xhr.response); - }; + if (!options.checkOrientation || !window.ArrayBuffer) { + this.clone(); + return; + } // Detect the mime type of the image directly if it is a Data URL - if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) { - url = addTimestamp(url); - } - xhr.open('get', url); - xhr.responseType = 'arraybuffer'; - xhr.withCredentials = element.crossOrigin === 'use-credentials'; - xhr.send(); - } - }, { - key: 'read', - value: function read(arrayBuffer) { - var options = this.options, - imageData = this.imageData; + if (REGEXP_DATA_URL.test(url)) { + // Read ArrayBuffer from Data URL of JPEG images directly for better performance + if (REGEXP_DATA_URL_JPEG.test(url)) { + this.read(dataURLToArrayBuffer(url)); + } else { + // Only a JPEG image may contains Exif Orientation information, + // the rest types of Data URLs are not necessary to check orientation at all. + this.clone(); + } - var orientation = getOrientation(arrayBuffer); - var rotate = 0; - var scaleX = 1; - var scaleY = 1; + return; + } // 1. Detect the mime type of the image by a XMLHttpRequest. + // 2. Load the image as ArrayBuffer for reading orientation if its a JPEG image. + + + var xhr = new XMLHttpRequest(); + var clone = this.clone.bind(this); + this.reloading = true; + this.xhr = xhr; // 1. Cross origin requests are only supported for protocol schemes: + // http, https, data, chrome, chrome-extension. + // 2. Access to XMLHttpRequest from a Data URL will be blocked by CORS policy + // in some browsers as IE11 and Safari. + + xhr.onabort = clone; + xhr.onerror = clone; + xhr.ontimeout = clone; + + xhr.onprogress = function () { + // Abort the request directly if it not a JPEG image for better performance + if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) { + xhr.abort(); + } + }; - if (orientation > 1) { - this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg'); + xhr.onload = function () { + _this.read(xhr.response); + }; - var _parseOrientation = parseOrientation(orientation); + xhr.onloadend = function () { + _this.reloading = false; + _this.xhr = null; + }; // Bust cache when there is a "crossOrigin" property to avoid browser cache error - rotate = _parseOrientation.rotate; - scaleX = _parseOrientation.scaleX; - scaleY = _parseOrientation.scaleY; - } - if (options.rotatable) { - imageData.rotate = rotate; - } + if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) { + url = addTimestamp(url); + } - if (options.scalable) { - imageData.scaleX = scaleX; - imageData.scaleY = scaleY; + xhr.open('GET', url); + xhr.responseType = 'arraybuffer'; + xhr.withCredentials = element.crossOrigin === 'use-credentials'; + xhr.send(); } + }, { + key: "read", + value: function read(arrayBuffer) { + var options = this.options, + imageData = this.imageData; // Reset the orientation value to its default value 1 + // as some iOS browsers will render image with its orientation - this.clone(); - } - }, { - key: 'clone', - value: function clone() { - var element = this.element, - url = this.url; + var orientation = resetAndGetOrientation(arrayBuffer); + var rotate = 0; + var scaleX = 1; + var scaleY = 1; - var crossOrigin = void 0; - var crossOriginUrl = void 0; + if (orientation > 1) { + // Generate a new URL which has the default orientation value + this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG); - if (this.options.checkCrossOrigin && isCrossOriginURL(url)) { - crossOrigin = element.crossOrigin; + var _parseOrientation = parseOrientation(orientation); - - if (crossOrigin) { - crossOriginUrl = url; - } else { - crossOrigin = 'anonymous'; - - // Bust cache when there is not a "crossOrigin" property - crossOriginUrl = addTimestamp(url); + rotate = _parseOrientation.rotate; + scaleX = _parseOrientation.scaleX; + scaleY = _parseOrientation.scaleY; } - } - this.crossOrigin = crossOrigin; - this.crossOriginUrl = crossOriginUrl; + if (options.rotatable) { + imageData.rotate = rotate; + } - var image = document.createElement('img'); + if (options.scalable) { + imageData.scaleX = scaleX; + imageData.scaleY = scaleY; + } - if (crossOrigin) { - image.crossOrigin = crossOrigin; + this.clone(); } + }, { + key: "clone", + value: function clone() { + var element = this.element, + url = this.url; + var crossOrigin = element.crossOrigin; + var crossOriginUrl = url; - image.src = crossOriginUrl || url; - - var start = proxy(this.start, this); - var stop = proxy(this.stop, this); + if (this.options.checkCrossOrigin && isCrossOriginURL(url)) { + if (!crossOrigin) { + crossOrigin = 'anonymous'; + } // Bust cache when there is not a "crossOrigin" property (#519) - this.image = image; - this.onStart = start; - this.onStop = stop; - if (this.isImg) { - if (element.complete) { - this.start(); - } else { - addListener(element, EVENT_LOAD, start); + crossOriginUrl = addTimestamp(url); } - } else { - addListener(image, EVENT_LOAD, start); - addListener(image, EVENT_ERROR, stop); - addClass(image, CLASS_HIDE); - element.parentNode.insertBefore(image, element.nextSibling); - } - } - }, { - key: 'start', - value: function start(event) { - var _this2 = this; - - var image = this.isImg ? this.element : this.image; - - if (event) { - removeListener(image, EVENT_LOAD, this.onStart); - removeListener(image, EVENT_ERROR, this.onStop); - } - - getImageNaturalSizes(image, function (naturalWidth, naturalHeight) { - extend(_this2.imageData, { - naturalWidth: naturalWidth, - naturalHeight: naturalHeight, - aspectRatio: naturalWidth / naturalHeight - }); - _this2.loaded = true; - _this2.build(); - }); - } - }, { - key: 'stop', - value: function stop() { - var image = this.image; + this.crossOrigin = crossOrigin; + this.crossOriginUrl = crossOriginUrl; + var image = document.createElement('img'); - removeListener(image, EVENT_LOAD, this.onStart); - removeListener(image, EVENT_ERROR, this.onStop); - image.parentNode.removeChild(image); - this.image = null; - } - }, { - key: 'build', - value: function build() { - var _this3 = this; + if (crossOrigin) { + image.crossOrigin = crossOrigin; + } - if (!this.loaded) { - return; + image.src = crossOriginUrl || url; + image.alt = element.alt || 'The image to crop'; + this.image = image; + image.onload = this.start.bind(this); + image.onerror = this.stop.bind(this); + addClass(image, CLASS_HIDE); + element.parentNode.insertBefore(image, element.nextSibling); } + }, { + key: "start", + value: function start() { + var _this2 = this; - // Unbuild first when replace - if (this.ready) { - this.unbuild(); - } + var image = this.image; + image.onload = null; + image.onerror = null; + this.sizing = true; // Match all browsers that use WebKit as the layout engine in iOS devices, + // such as Safari for iOS, Chrome for iOS, and in-app browsers. - var element = this.element, - options = this.options, - image = this.image; + var isIOSWebKit = WINDOW.navigator && /(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(WINDOW.navigator.userAgent); - // Create cropper elements + var done = function done(naturalWidth, naturalHeight) { + assign(_this2.imageData, { + naturalWidth: naturalWidth, + naturalHeight: naturalHeight, + aspectRatio: naturalWidth / naturalHeight + }); + _this2.sizing = false; + _this2.sized = true; - var container = element.parentNode; - var template = document.createElement('div'); + _this2.build(); + }; // Most modern browsers (excepts iOS WebKit) - template.innerHTML = TEMPLATE; - var cropper = template.querySelector('.' + NAMESPACE + '-container'); - var canvas = cropper.querySelector('.' + NAMESPACE + '-canvas'); - var dragBox = cropper.querySelector('.' + NAMESPACE + '-drag-box'); - var cropBox = cropper.querySelector('.' + NAMESPACE + '-crop-box'); - var face = cropBox.querySelector('.' + NAMESPACE + '-face'); + if (image.naturalWidth && !isIOSWebKit) { + done(image.naturalWidth, image.naturalHeight); + return; + } - this.container = container; - this.cropper = cropper; - this.canvas = canvas; - this.dragBox = dragBox; - this.cropBox = cropBox; - this.viewBox = cropper.querySelector('.' + NAMESPACE + '-view-box'); - this.face = face; + var sizingImage = document.createElement('img'); + var body = document.body || document.documentElement; + this.sizingImage = sizingImage; - canvas.appendChild(image); + sizingImage.onload = function () { + done(sizingImage.width, sizingImage.height); - // Hide the original image - addClass(element, CLASS_HIDDEN); + if (!isIOSWebKit) { + body.removeChild(sizingImage); + } + }; - // Inserts the cropper after to the current image - container.insertBefore(cropper, element.nextSibling); + sizingImage.src = image.src; // iOS WebKit will convert the image automatically + // with its orientation once append it into DOM (#279) - // Show the image if is hidden - if (!this.isImg) { - removeClass(image, CLASS_HIDE); + if (!isIOSWebKit) { + sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;'; + body.appendChild(sizingImage); + } } + }, { + key: "stop", + value: function stop() { + var image = this.image; + image.onload = null; + image.onerror = null; + image.parentNode.removeChild(image); + this.image = null; + } + }, { + key: "build", + value: function build() { + if (!this.sized || this.ready) { + return; + } - this.initPreview(); - this.bind(); + var element = this.element, + options = this.options, + image = this.image; // Create cropper elements + + var container = element.parentNode; + var template = document.createElement('div'); + template.innerHTML = TEMPLATE; + var cropper = template.querySelector(".".concat(NAMESPACE, "-container")); + var canvas = cropper.querySelector(".".concat(NAMESPACE, "-canvas")); + var dragBox = cropper.querySelector(".".concat(NAMESPACE, "-drag-box")); + var cropBox = cropper.querySelector(".".concat(NAMESPACE, "-crop-box")); + var face = cropBox.querySelector(".".concat(NAMESPACE, "-face")); + this.container = container; + this.cropper = cropper; + this.canvas = canvas; + this.dragBox = dragBox; + this.cropBox = cropBox; + this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box")); + this.face = face; + canvas.appendChild(image); // Hide the original image + + addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image + + container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden + + if (!this.isImg) { + removeClass(image, CLASS_HIDE); + } - options.aspectRatio = Math.max(0, options.aspectRatio) || NaN; - options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0; + this.initPreview(); + this.bind(); + options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN; + options.aspectRatio = Math.max(0, options.aspectRatio) || NaN; + options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0; + addClass(cropBox, CLASS_HIDDEN); - this.cropped = options.autoCrop; + if (!options.guides) { + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN); + } - if (options.autoCrop) { - if (options.modal) { - addClass(dragBox, CLASS_MODAL); + if (!options.center) { + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN); } - } else { - addClass(cropBox, CLASS_HIDDEN); - } - if (!options.guides) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-dashed'), CLASS_HIDDEN); - } + if (options.background) { + addClass(cropper, "".concat(NAMESPACE, "-bg")); + } - if (!options.center) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-center'), CLASS_HIDDEN); - } + if (!options.highlight) { + addClass(face, CLASS_INVISIBLE); + } - if (options.background) { - addClass(cropper, NAMESPACE + '-bg'); - } + if (options.cropBoxMovable) { + addClass(face, CLASS_MOVE); + setData(face, DATA_ACTION, ACTION_ALL); + } - if (!options.highlight) { - addClass(face, CLASS_INVISIBLE); - } + if (!options.cropBoxResizable) { + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-line")), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN); + } - if (options.cropBoxMovable) { - addClass(face, CLASS_MOVE); - setData(face, DATA_ACTION, ACTION_ALL); - } + this.render(); + this.ready = true; + this.setDragMode(options.dragMode); - if (!options.cropBoxResizable) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-line'), CLASS_HIDDEN); - addClass(cropBox.getElementsByClassName(NAMESPACE + '-point'), CLASS_HIDDEN); - } + if (options.autoCrop) { + this.crop(); + } - this.setDragMode(options.dragMode); - this.render(); - this.ready = true; - this.setData(options.data); + this.setData(options.data); - // Call the "ready" option asynchronously to keep "image.cropper" is defined - this.completing = setTimeout(function () { if (isFunction(options.ready)) { addListener(element, EVENT_READY, options.ready, { once: true @@ -3693,74 +3551,66 @@ var Cropper = function () { } dispatchEvent(element, EVENT_READY); - dispatchEvent(element, EVENT_CROP, _this3.getData()); - - _this3.complete = true; - }, 0); - } - }, { - key: 'unbuild', - value: function unbuild() { - if (!this.ready) { - return; } + }, { + key: "unbuild", + value: function unbuild() { + if (!this.ready) { + return; + } - if (!this.complete) { - clearTimeout(this.completing); + this.ready = false; + this.unbind(); + this.resetPreview(); + this.cropper.parentNode.removeChild(this.cropper); + removeClass(this.element, CLASS_HIDDEN); + } + }, { + key: "uncreate", + value: function uncreate() { + if (this.ready) { + this.unbuild(); + this.ready = false; + this.cropped = false; + } else if (this.sizing) { + this.sizingImage.onload = null; + this.sizing = false; + this.sized = false; + } else if (this.reloading) { + this.xhr.onabort = null; + this.xhr.abort(); + } else if (this.image) { + this.stop(); + } } + /** + * Get the no conflict cropper class. + * @returns {Cropper} The cropper class. + */ - this.ready = false; - this.complete = false; - this.initialImageData = null; - - // Clear `initialCanvasData` is necessary when replace - this.initialCanvasData = null; - this.initialCropBoxData = null; - this.containerData = null; - this.canvasData = null; - - // Clear `cropBoxData` is necessary when replace - this.cropBoxData = null; - this.unbind(); - this.resetPreview(); - this.previews = null; - this.viewBox = null; - this.cropBox = null; - this.dragBox = null; - this.canvas = null; - this.container = null; - this.cropper.parentNode.removeChild(this.cropper); - this.cropper = null; - } + }], [{ + key: "noConflict", + value: function noConflict() { + window.Cropper = AnotherCropper; + return Cropper; + } + /** + * Change the default options. + * @param {Object} options - The new default options. + */ - /** - * Get the no conflict cropper class. - * @returns {Cropper} The cropper class. - */ + }, { + key: "setDefaults", + value: function setDefaults(options) { + assign(DEFAULTS, isPlainObject(options) && options); + } + }]); - }], [{ - key: 'noConflict', - value: function noConflict() { - window.Cropper = AnotherCropper; - return Cropper; - } + return Cropper; + }(); - /** - * Change the default options. - * @param {Object} options - The new default options. - */ + assign(Cropper.prototype, render, preview, events, handlers, change, methods); - }, { - key: 'setDefaults', - value: function setDefaults(options) { - extend(DEFAULTS, isPlainObject(options) && options); - } - }]); return Cropper; -}(); - -extend(Cropper.prototype, render, preview, events, handlers, change, methods); - -return Cropper; }))); |