diff options
Diffstat (limited to 'library/cropperjs/dist/cropper.common.js')
| -rw-r--r-- | library/cropperjs/dist/cropper.common.js | 2022 |
1 files changed, 936 insertions, 1086 deletions
diff --git a/library/cropperjs/dist/cropper.common.js b/library/cropperjs/dist/cropper.common.js index 38c62e824..84cd77cdd 100644 --- a/library/cropperjs/dist/cropper.common.js +++ b/library/cropperjs/dist/cropper.common.js @@ -1,19 +1,126 @@ /*! - * Cropper.js v1.2.2 - * https://github.com/fengyuanchen/cropperjs + * Cropper.js v1.5.6 + * 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: 2019-10-04T04:33:48.372Z */ 'use strict'; -var WINDOW = typeof window !== 'undefined' ? window : {}; -var NAMESPACE = 'cropper'; +function _typeof(obj) { + 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); +} + +function _classCallCheck(instance, Constructor) { + if (!(instance instanceof Constructor)) { + throw new TypeError("Cannot call a class as a function"); + } +} + +function _defineProperties(target, props) { + for (var i = 0; i < props.length; i++) { + var descriptor = props[i]; + descriptor.enumerable = descriptor.enumerable || false; + descriptor.configurable = true; + if ("value" in descriptor) descriptor.writable = true; + Object.defineProperty(target, descriptor.key, descriptor); + } +} + +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(source, true).forEach(function (key) { + _defineProperty(target, key, source[key]); + }); + } else if (Object.getOwnPropertyDescriptors) { + Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); + } else { + ownKeys(source).forEach(function (key) { + Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); + }); + } + } + + return target; +} + +function _toConsumableArray(arr) { + return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); +} + +function _arrayWithoutHoles(arr) { + if (Array.isArray(arr)) { + for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; + + return arr2; + } +} + +function _iterableToArray(iter) { + if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); +} + +function _nonIterableSpread() { + throw new TypeError("Invalid attempt to spread non-iterable instance"); +} + +var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined'; +var WINDOW = IS_BROWSER ? window : {}; +var IS_TOUCH_DEVICE = IS_BROWSER ? 'ontouchstart' in WINDOW.document.documentElement : false; +var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false; +var NAMESPACE = 'cropper'; // Actions -// Actions var ACTION_ALL = 'all'; var ACTION_CROP = 'crop'; var ACTION_MOVE = 'move'; @@ -25,127 +132,107 @@ 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 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'; +var DRAG_MODE_NONE = 'none'; // Events -// 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_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 mousewheel DOMMouseScroll'; -var EVENT_ZOOM = 'zoom'; +var EVENT_WHEEL = 'wheel'; +var EVENT_ZOOM = 'zoom'; // Mime types + +var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps -// RegExps -var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/; +var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/; var REGEXP_DATA_URL = /^data:/; var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/; -var REGEXP_TAG_NAME = /^(img|canvas)$/i; +var REGEXP_TAG_NAME = /^img|canvas$/i; // Misc +// Inspired by the default width and height of a canvas element. + +var MIN_CONTAINER_WIDTH = 200; +var MIN_CONTAINER_HEIGHT = 100; var DEFAULTS = { // Define the view mode of the cropper - viewMode: 0, // 0, 1, 2, 3 - + viewMode: 0, + // 0, 1, 2, 3 // Define the dragging mode of the cropper - dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none' - + 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, @@ -153,7 +240,6 @@ var DEFAULTS = { minCropBoxHeight: 0, minContainerWidth: 200, minContainerHeight: 100, - // Shortcuts of events ready: null, cropstart: null, @@ -163,132 +249,50 @@ var DEFAULTS = { zoom: null }; -var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>'; - -var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { - return typeof obj; -} : function (obj) { - return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; -}; - - - - - - - - - - - -var classCallCheck = function (instance, Constructor) { - if (!(instance instanceof Constructor)) { - throw new TypeError("Cannot call a class as a function"); - } -}; - -var createClass = function () { - function defineProperties(target, props) { - for (var i = 0; i < props.length; i++) { - var descriptor = props[i]; - descriptor.enumerable = descriptor.enumerable || false; - descriptor.configurable = true; - if ("value" in descriptor) descriptor.writable = true; - Object.defineProperty(target, descriptor.key, descriptor); - } - } - - return function (Constructor, protoProps, staticProps) { - if (protoProps) defineProperties(Constructor.prototype, protoProps); - if (staticProps) defineProperties(Constructor, staticProps); - return Constructor; - }; -}(); - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -var toConsumableArray = function (arr) { - if (Array.isArray(arr)) { - for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i]; - - return arr2; - } else { - return Array.from(arr); - } -}; +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; +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 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`. */ + 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; + 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. @@ -303,41 +307,45 @@ function isPlainObject(value) { try { var _constructor = value.constructor; var prototype = _constructor.prototype; - - return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf'); - } catch (e) { + } 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 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. + */ +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 each(data, callback) { - if (data && isFunction(callback)) { - if (Array.isArray(data) || isNumber(data.length) /* array-like */) { - var length = data.length; - var i = void 0; - - for (i = 0; i < length; i += 1) { - if (callback.call(data, data[i], i, data) === false) { - break; - } - } +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); @@ -347,112 +355,83 @@ function each(data, callback) { return data; } - /** * Extend the given object. - * @param {*} obj - The object to be extended. - * @param {*} args - The rest objects which will be merged to the first object. + * @param {*} target - The target object to extend. + * @param {*} args - The rest objects for merging to the target 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++) { + +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]; } - if (isObject(obj) && args.length > 0) { - if (Object.assign) { - return Object.assign.apply(Object, [obj].concat(args)); - } - + if (isObject(target) && args.length > 0) { args.forEach(function (arg) { if (isObject(arg)) { Object.keys(arg).forEach(function (key) { - obj[key] = arg[key]; + target[key] = arg[key]; }); } }); } - 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]; - } - - return function () { - for (var _len3 = arguments.length, args2 = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { - args2[_key3] = arguments[_key3]; - } - - return fn.apply(context, args.concat(args2)); - }; -} - -var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i; - + return target; +}; +var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/; /** * Normalize decimal number. - * Check out {@link http://0.30000000000000004.com/ } + * 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; } - -var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/; - +var REGEXP_SUFFIX = /^width|height|left|top|marginLeft|marginTop$/; /** * Apply styles to the given element. * @param {Element} element - The target element. * @param {Object} styles - The styles for applying. */ + function setStyle(element, styles) { var style = element.style; - - - each(styles, function (value, property) { + forEach(styles, function (value, property) { if (REGEXP_SUFFIX.test(property) && isNumber(value)) { - value += 'px'; + 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. */ + 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 (isNumber(element.length)) { - each(element, function (elem) { + forEach(element, function (elem) { addClass(elem, value); }); return; @@ -468,22 +447,22 @@ function addClass(element, value) { if (!className) { element.className = value; } else if (className.indexOf(value) < 0) { - element.className = className + ' ' + value; + 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. */ + function removeClass(element, value) { if (!value) { return; } if (isNumber(element.length)) { - each(element, function (elem) { + forEach(element, function (elem) { removeClass(elem, value); }); return; @@ -498,102 +477,131 @@ function removeClass(element, value) { 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. */ + function toggleClass(element, value, added) { if (!value) { return; } if (isNumber(element.length)) { - each(element, function (elem) { + forEach(element, function (elem) { toggleClass(elem, value, added); }); return; - } + } // IE10-11 doesn't support the second parameter of `classList.toggle` + - // IE10-11 doesn't support the second parameter of `classList.toggle` if (added) { addClass(element, value); } else { removeClass(element, value); } } - -var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g; - +var REGEXP_CAMEL_CASE = /([a-z\d])([A-Z])/g; /** - * Hyphenate the given value. - * @param {string} value - The value to hyphenate. - * @returns {string} The hyphenated value. + * Transform the given string from camelCase to kebab-case + * @param {string} value - The value to transform. + * @returns {string} The transformed value. */ -function hyphenate(value) { - return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase(); -} +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. */ + function getData(element, name) { if (isObject(element[name])) { return element[name]; - } else if (element.dataset) { + } + + if (element.dataset) { return element.dataset[name]; } - return element.getAttribute('data-' + hyphenate(name)); + 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. */ + 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); + 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. */ + function removeData(element, name) { if (isObject(element[name])) { try { delete element[name]; - } catch (e) { - element[name] = null; + } catch (error) { + element[name] = undefined; } } else if (element.dataset) { // #128 Safari not allows to delete dataset property try { delete element.dataset[name]; - } catch (e) { - element.dataset[name] = null; + } catch (error) { + element.dataset[name] = undefined; } } else { - element.removeAttribute('data-' + hyphenate(name)); + element.removeAttribute("data-".concat(toParamCase(name))); } } +var REGEXP_SPACES = /\s\s*/; -var REGEXP_SPACES = /\s+/; +var onceSupported = function () { + var supported = false; + if (IS_BROWSER) { + var once = false; + + var listener = function listener() {}; + + var options = Object.defineProperty({}, 'once', { + get: function get() { + supported = true; + return once; + }, + + /** + * 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); + } + + return supported; +}(); /** * Remove event listener from the target element. * @param {Element} element - The event target. @@ -601,29 +609,32 @@ var REGEXP_SPACES = /\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] : {}; + var handler = listener; + type.trim().split(REGEXP_SPACES).forEach(function (event) { + if (!onceSupported) { + var listeners = element.listeners; - if (!isFunction(listener)) { - return; - } + 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); - }); - return; - } + if (Object.keys(listeners).length === 0) { + delete element.listeners; + } + } + } - if (element.removeEventListener) { - element.removeEventListener(type, listener, options); - } else if (element.detachEvent) { - element.detachEvent('on' + type, listener); - } + element.removeEventListener(event, handler, options); + }); } - /** * Add event listener to the target element. * @param {Element} element - The event target. @@ -631,42 +642,41 @@ function removeListener(element, type, listener) { * @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] : {}; - - if (!isFunction(_listener)) { - return; - } - var types = type.trim().split(REGEXP_SPACES); +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; + + _handler = function handler() { + delete listeners[event][listener]; + element.removeEventListener(event, _handler, options); + + 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] = {}; + } - _listener = function listener() { - for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { - args[_key4] = arguments[_key4]; + if (listeners[event][listener]) { + element.removeEventListener(event, listeners[event][listener], options); } - removeListener(element, type, _listener, options); - return originalListener.apply(element, args); - }; - } + listeners[event][listener] = _handler; + element.listeners = listeners; + } - if (element.addEventListener) { - element.addEventListener(type, _listener, options); - } else if (element.attachEvent) { - element.attachEvent('on' + type, _listener); - } + element.addEventListener(event, _handler, options); + }); } - /** * Dispatch event on the target element. * @param {Element} element - The event target. @@ -674,187 +684,113 @@ function addListener(element, type, _listener) { * @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; - - // Event and CustomEvent on IE9-11 are global objects, not constructors - if (isFunction(Event) && isFunction(CustomEvent)) { - if (isUndefined(data)) { - event = new Event(type, { - bubbles: true, - cancelable: true - }); - } else { - event = new CustomEvent(type, { - detail: data, - bubbles: true, - cancelable: true - }); - } - } else if (isUndefined(data)) { - event = document.createEvent('Event'); - event.initEvent(type, true, true); - } else { - event = document.createEvent('CustomEvent'); - event.initCustomEvent(type, true, true, data); - } + var event; // Event and CustomEvent on IE9-11 are global objects, not constructors - // IE9+ - return element.dispatchEvent(event); - } else if (element.fireEvent) { - // IE6-10 (native events only) - return element.fireEvent('on' + type); + if (isFunction(Event) && isFunction(CustomEvent)) { + event = new CustomEvent(type, { + detail: data, + bubbles: true, + cancelable: true + }); + } else { + event = document.createEvent('CustomEvent'); + event.initCustomEvent(type, true, true, data); } - return true; + return element.dispatchEvent(event); } - /** * 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)) + left: box.left + (window.pageXOffset - document.documentElement.clientLeft), + top: box.top + (window.pageYOffset - document.documentElement.clientTop) }; } - -/** - * Empty an element. - * @param {Element} element - The element to empty. - */ -function empty(element) { - while (element.firstChild) { - element.removeChild(element.firstChild); - } -} - var location = WINDOW.location; - -var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i; - +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`. */ + function isCrossOriginURL(url) { var parts = url.match(REGEXP_ORIGINS); - - return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port); + 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. */ -function addTimestamp(url) { - var timestamp = 'timestamp=' + new Date().getTime(); +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. */ + function getTransforms(_ref) { var rotate = _ref.rotate, scaleX = _ref.scaleX, scaleY = _ref.scaleY, translateX = _ref.translateX, translateY = _ref.translateY; - var values = []; if (isNumber(translateX) && translateX !== 0) { - values.push('translateX(' + translateX + 'px)'); + values.push("translateX(".concat(translateX, "px)")); } if (isNumber(translateY) && translateY !== 0) { - values.push('translateY(' + translateY + 'px)'); - } + values.push("translateY(".concat(translateY, "px)")); + } // Rotate should come first before scale to match orientation transform + - // Rotate should come first before scale to match orientation transform if (isNumber(rotate) && rotate !== 0) { - values.push('rotate(' + rotate + 'deg)'); + values.push("rotate(".concat(rotate, "deg)")); } if (isNumber(scaleX) && scaleX !== 1) { - values.push('scaleX(' + scaleX + ')'); + values.push("scaleX(".concat(scaleX, ")")); } if (isNumber(scaleY) && scaleY !== 1) { - values.push('scaleY(' + scaleY + ')'); + values.push("scaleY(".concat(scaleY, ")")); } var transform = values.length ? values.join(' ') : 'none'; - return { WebkitTransform: transform, msTransform: transform, transform: transform }; } - -var navigator = WINDOW.navigator; - -var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent); - -/** - * 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; - } - - var newImage = document.createElement('img'); - var body = document.body || document.documentElement; - - newImage.onload = function () { - callback(newImage.width, newImage.height); - - if (!IS_SAFARI_OR_UIWEBVIEW) { - body.removeChild(newImage); - } - }; - - 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); - } -} - /** * 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 = []; + var pointers2 = _objectSpread2({}, pointers); - each(pointers, function (pointer, pointerId) { + var ratios = []; + forEach(pointers, function (pointer, pointerId) { delete pointers2[pointerId]; - - each(pointers2, function (pointer2) { + 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); @@ -862,99 +798,84 @@ function getMaxZoomRatio(pointers) { 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. */ + function getPointer(_ref2, endOnly) { var pageX = _ref2.pageX, pageY = _ref2.pageY; - var end = { endX: pageX, endY: pageY }; - - if (endOnly) { - return end; - } - - return extend({ + 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. */ + function getPointersCenter(pointers) { var pageX = 0; var pageY = 0; var count = 0; - - each(pointers, function (_ref3) { + 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 }; } - -/** - * 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. + * @param {string} [type='contain'] - The adjust type. * @returns {Object} The result sizes. */ -function getContainSizes(_ref4) { + +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 isValidNumber = function isValidNumber(value) { - return isFinite(value) && value > 0; - }; + if (isValidWidth && isValidHeight) { + var adjustedWidth = height * aspectRatio; - if (isValidNumber(width) && isValidNumber(height)) { - if (height * aspectRatio > width) { + if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) { height = width / aspectRatio; } else { width = height * aspectRatio; } - } else if (isValidNumber(width)) { + } else if (isValidWidth) { height = width / aspectRatio; - } else if (isValidNumber(height)) { + } else if (isValidHeight) { width = height * aspectRatio; } @@ -963,17 +884,16 @@ function getContainSizes(_ref4) { 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; if (degree === 90) { @@ -988,7 +908,6 @@ function getRotatedSizes(_ref5) { var cosArc = Math.cos(arc); var newWidth = width * cosArc + height * sinArc; var newHeight = width * sinArc + height * cosArc; - return degree > 90 ? { width: newHeight, height: newWidth @@ -997,7 +916,6 @@ function getRotatedSizes(_ref5) { height: newHeight }; } - /** * Get a canvas which drew the given image. * @param {HTMLImageElement} image - The image for drawing. @@ -1006,49 +924,63 @@ function getRotatedSizes(_ref5) { * @param {Object} options - The options. * @returns {HTMLCanvasElement} The result canvas. */ + function getSourceCanvas(image, _ref6, _ref7, _ref8) { - var imageNaturalWidth = _ref6.naturalWidth, + var imageAspectRatio = _ref6.aspectRatio, + imageNaturalWidth = _ref6.naturalWidth, imageNaturalHeight = _ref6.naturalHeight, _ref6$rotate = _ref6.rotate, - rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate, + rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate, _ref6$scaleX = _ref6.scaleX, - scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX, + scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX, _ref6$scaleY = _ref6.scaleY, - scaleY = _ref6$scaleY === undefined ? 1 : _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$fillColor === undefined ? 'transparent' : _ref8$fillColor, + fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor, _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled, - imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE, + imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE, _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality, - imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ, + imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ, _ref8$maxWidth = _ref8.maxWidth, - maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth, + maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth, _ref8$maxHeight = _ref8.maxHeight, - maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight, + maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight, _ref8$minWidth = _ref8.minWidth, - minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth, + minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth, _ref8$minHeight = _ref8.minHeight, - minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight; - + minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight; var canvas = document.createElement('canvas'); var context = canvas.getContext('2d'); - var maxSizes = getContainSizes({ + var maxSizes = getAdjustedSizes({ aspectRatio: aspectRatio, width: maxWidth, height: maxHeight }); - var minSizes = getContainSizes({ + 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)); - var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight]; + 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; @@ -1059,15 +991,13 @@ function getSourceCanvas(image, _ref6, _ref7, _ref8) { context.scale(scaleX, scaleY); context.imageSmoothingEnabled = imageSmoothingEnabled; context.imageSmoothingQuality = imageSmoothingQuality; - context.drawImage.apply(context, [image].concat(toConsumableArray(params.map(function (param) { + 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. @@ -1078,133 +1008,139 @@ var fromCharCode = String.fromCharCode; function getStringFromCharCode(dataView, start, length) { var str = ''; - var i = void 0; - length += start; - for (i = start; i < length; i += 1) { + for (var i = start; i < length; i += 1) { str += fromCharCode(dataView.getUint8(i)); } 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. */ + 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) { + 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. */ + function arrayBufferToDataURL(arrayBuffer, mimeType) { + var chunks = []; // Chunk Typed Array for better performance (#435) + + var chunkSize = 8192; var uint8 = new Uint8Array(arrayBuffer); - var data = ''; - // TypedArray.prototype.forEach is not supported in some browsers. - each(uint8, function (value) { - data += fromCharCode(value); - }); + 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); + } - return 'data:' + mimeType + ';base64,' + btoa(data); + 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. */ -function getOrientation(arrayBuffer) { + +function resetAndGetOrientation(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; - } + var orientation; // Ignores range error when the image does not have correct Exif information - offset += 1; - } - } + try { + var littleEndian; + var app1Start; + var ifdStart; // Only handle JPEG image (start by 0xFFD8) - if (app1Start) { - var exifIDCode = app1Start + 4; - var tiffOffset = app1Start + 10; + if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) { + var length = dataView.byteLength; + var offset = 2; - if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') { - var endianness = dataView.getUint16(tiffOffset); + while (offset + 1 < length) { + if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) { + app1Start = offset; + break; + } + + offset += 1; + } + } + + 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; + if (ifdStart) { + var _length = dataView.getUint16(ifdStart, littleEndian); - for (i = 0; i < _length; i += 1) { - _offset = ifdStart + i * 12 + 2; + var _offset; - if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) { - // 8 is the offset of the current tag's value - _offset += 8; + var i; - // Get the original orientation value - orientation = dataView.getUint16(_offset, littleEndian); + for (i = 0; i < _length; i += 1) { + _offset = ifdStart + i * 12 + 2; - // Override the orientation with its default value - dataView.setUint16(_offset, 1, littleEndian); - break; - } + if (dataView.getUint16(_offset, littleEndian) === 0x0112 + /* Orientation */ + ) { + // 8 is the offset of the current tag's value + _offset += 8; // Get the original orientation value + + orientation = dataView.getUint16(_offset, littleEndian); // Override the orientation with its default value + + dataView.setUint16(_offset, 1, littleEndian); + break; + } + } } + } catch (error) { + orientation = 1; } 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; @@ -1215,35 +1151,35 @@ function parseOrientation(orientation) { 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; @@ -1274,34 +1210,25 @@ var render = { 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; @@ -1328,17 +1255,15 @@ var render = { 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 = extend({}, imageData); - this.initialCanvasData = extend({}, canvasData); + this.initialImageData = assign({}, imageData); + this.initialCanvasData = assign({}, canvasData); }, limitCanvas: function limitCanvas(sizeLimited, positionLimited) { var options = this.options, @@ -1347,7 +1272,6 @@ var render = { cropBoxData = this.cropBoxData; var viewMode = options.viewMode; var aspectRatio = canvasData.aspectRatio; - var cropped = this.cropped && cropBoxData; if (sizeLimited) { @@ -1382,16 +1306,14 @@ var render = { } } - var _getContainSizes = getContainSizes({ + var _getAdjustedSizes = getAdjustedSizes({ aspectRatio: aspectRatio, width: minCanvasWidth, height: minCanvasHeight }); - minCanvasWidth = _getContainSizes.width; - minCanvasHeight = _getContainSizes.height; - - + minCanvasWidth = _getAdjustedSizes.width; + minCanvasHeight = _getAdjustedSizes.height; canvasData.minWidth = minCanvasWidth; canvasData.minHeight = minCanvasHeight; canvasData.maxWidth = Infinity; @@ -1399,10 +1321,9 @@ var render = { } if (positionLimited) { - if (viewMode) { + 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); @@ -1438,7 +1359,6 @@ var render = { var canvasData = this.canvasData, imageData = this.imageData; - if (transformed) { var _getRotatedSizes = getRotatedSizes({ width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1), @@ -1450,7 +1370,6 @@ var render = { 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; @@ -1471,22 +1390,18 @@ var render = { 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, extend({ + 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) { @@ -1496,20 +1411,18 @@ var render = { 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); - - extend(imageData, { + assign(imageData, { width: width, height: height, left: (canvasData.width - width) / 2, top: (canvasData.height - height) / 2 }); - setStyle(this.image, extend({ + setStyle(this.image, assign({ width: imageData.width, height: imageData.height - }, getTransforms(extend({ + }, getTransforms(assign({ translateX: imageData.left, translateY: imageData.top }, imageData)))); @@ -1521,8 +1434,7 @@ var render = { initCropBox: function initCropBox() { var options = this.options, canvasData = this.canvasData; - var aspectRatio = options.aspectRatio; - + var aspectRatio = options.aspectRatio || options.initialAspectRatio; var autoCropArea = Number(options.autoCropArea) || 0.8; var cropBoxData = { width: canvasData.width, @@ -1538,21 +1450,18 @@ var render = { } this.cropBoxData = cropBoxData; - this.limitCropBox(true, true); + this.limitCropBox(true, true); // Initialize auto crop area - // 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); + cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); // The width/height of auto crop area must large than "minWidth/Height" - // 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); + this.initialCropBoxData = assign({}, cropBoxData); }, limitCropBox: function limitCropBox(sizeLimited, positionLimited) { var options = this.options, @@ -1562,14 +1471,12 @@ var render = { 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); + 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 - // The min/maxCropBoxWidth/Height must be less than container's width/height minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width); minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height); @@ -1591,9 +1498,9 @@ var render = { } else { maxCropBoxWidth = maxCropBoxHeight * aspectRatio; } - } + } // The minWidth/Height must be less than maxWidth/Height + - // The minWidth/Height must be less than maxWidth/Height cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth); cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight); cropBoxData.maxWidth = maxCropBoxWidth; @@ -1619,7 +1526,6 @@ var render = { containerData = this.containerData, cropBoxData = this.cropBoxData; - if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) { cropBoxData.left = cropBoxData.oldLeft; } @@ -1630,9 +1536,7 @@ var render = { 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; @@ -1643,7 +1547,7 @@ var render = { setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL); } - setStyle(this.cropBox, extend({ + setStyle(this.cropBox, assign({ width: cropBoxData.width, height: cropBoxData.height }, getTransforms({ @@ -1661,19 +1565,17 @@ var render = { }, output: function output() { this.preview(); - - if (this.complete) { - dispatchEvent(this.element, EVENT_CROP, this.getData()); - } + dispatchEvent(this.element, EVENT_CROP, this.getData()); } }; var preview = { initPreview: function initPreview() { - var crossOrigin = this.crossOrigin; + 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'); if (crossOrigin) { @@ -1681,25 +1583,30 @@ var preview = { } image.src = url; + image.alt = alt; this.viewBox.appendChild(image); - this.image2 = image; + this.viewBoxImage = image; if (!preview) { return; } - var previews = preview.querySelector ? [preview] : document.querySelectorAll(preview); + var previews = preview; - this.previews = previews; + if (typeof preview === 'string') { + previews = element.ownerDocument.querySelectorAll(preview); + } else if (preview.querySelector) { + previews = [preview]; + } - each(previews, function (element) { - var img = document.createElement('img'); + this.previews = previews; + forEach(previews, function (el) { + var img = document.createElement('img'); // Save the original size for recover - // Save the original size for recover - setData(element, DATA_PREVIEW, { - width: element.offsetWidth, - height: element.offsetHeight, - html: element.innerHTML + setData(el, DATA_PREVIEW, { + width: el.offsetWidth, + height: el.offsetHeight, + html: el.innerHTML }); if (crossOrigin) { @@ -1707,28 +1614,26 @@ var preview = { } 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;"'; - empty(element); - element.appendChild(img); + 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); }); }, resetPreview: function resetPreview() { - each(this.previews, function (element) { + 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); }); @@ -1741,7 +1646,6 @@ var preview = { 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; @@ -1749,15 +1653,14 @@ var preview = { return; } - setStyle(this.image2, extend({ + setStyle(this.viewBoxImage, assign({ width: width, height: height - }, getTransforms(extend({ + }, getTransforms(assign({ translateX: -left, translateY: -top }, imageData)))); - - each(this.previews, function (element) { + forEach(this.previews, function (element) { var data = getData(element, DATA_PREVIEW); var originalWidth = data.width; var originalHeight = data.height; @@ -1780,11 +1683,10 @@ var preview = { width: newWidth, height: newHeight }); - - setStyle(element.getElementsByTagName('img')[0], extend({ + setStyle(element.getElementsByTagName('img')[0], assign({ width: width * ratio, height: height * ratio - }, getTransforms(extend({ + }, getTransforms(assign({ translateX: -left * ratio, translateY: -top * ratio }, imageData)))); @@ -1798,7 +1700,6 @@ var events = { options = this.options, cropper = this.cropper; - if (isFunction(options.cropstart)) { addListener(element, EVENT_CROP_START, options.cropstart); } @@ -1819,21 +1720,24 @@ var events = { addListener(element, EVENT_ZOOM, options.zoom); } - addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = proxy(this.cropStart, this)); + addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = this.cropStart.bind(this)); if (options.zoomable && options.zoomOnWheel) { - addListener(cropper, EVENT_WHEEL, this.onWheel = proxy(this.wheel, this)); + addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), { + passive: false, + capture: true + }); } if (options.toggleDragModeOnDblclick) { - addListener(cropper, EVENT_DBLCLICK, this.onDblclick = proxy(this.dblclick, this)); + addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this)); } - addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)); - addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, 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.responsive) { - addListener(window, EVENT_RESIZE, this.onResize = proxy(this.resize, this)); + addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(this)); } }, unbind: function unbind() { @@ -1841,7 +1745,6 @@ var events = { options = this.options, cropper = this.cropper; - if (isFunction(options.cropstart)) { removeListener(element, EVENT_CROP_START, options.cropstart); } @@ -1865,7 +1768,10 @@ var events = { removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart); if (options.zoomable && options.zoomOnWheel) { - removeListener(cropper, EVENT_WHEEL, this.onWheel); + removeListener(cropper, EVENT_WHEEL, this.onWheel, { + passive: false, + capture: true + }); } if (options.toggleDragModeOnDblclick) { @@ -1886,20 +1792,18 @@ var handlers = { var options = this.options, container = this.container, containerData = this.containerData; - - var minContainerWidth = Number(options.minContainerWidth) || 200; - var minContainerHeight = Number(options.minContainerHeight) || 100; + var minContainerWidth = Number(options.minContainerWidth) || MIN_CONTAINER_WIDTH; + var minContainerHeight = Number(options.minContainerHeight) || MIN_CONTAINER_HEIGHT; if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) { return; } - var ratio = container.offsetWidth / containerData.width; + var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed - // Resize when width changed or height changed if (ratio !== 1 || container.offsetHeight !== containerData.height) { - var canvasData = void 0; - var cropBoxData = void 0; + var canvasData; + var cropBoxData; if (options.restore) { canvasData = this.getCanvasData(); @@ -1909,10 +1813,10 @@ var handlers = { this.render(); if (options.restore) { - this.setCanvasData(each(canvasData, function (n, i) { + this.setCanvasData(forEach(canvasData, function (n, i) { canvasData[i] = n * ratio; })); - this.setCropBoxData(each(cropBoxData, function (n, i) { + this.setCropBoxData(forEach(cropBoxData, function (n, i) { cropBoxData[i] = n * ratio; })); } @@ -1925,7 +1829,7 @@ var handlers = { this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP); }, - wheel: function wheel(e) { + wheel: function wheel(event) { var _this = this; var ratio = Number(this.options.wheelZoomRatio) || 0.1; @@ -1935,53 +1839,56 @@ var handlers = { return; } - e.preventDefault(); + event.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21) - // Limit wheel speed to prevent zoom too fast (#21) if (this.wheeling) { return; } this.wheeling = true; - setTimeout(function () { _this.wheeling = false; }, 50); - if (e.deltaY) { - delta = e.deltaY > 0 ? 1 : -1; - } else if (e.wheelDelta) { - delta = -e.wheelDelta / 120; - } else if (e.detail) { - delta = e.detail > 0 ? 1 : -1; + 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; } - this.zoom(-delta * ratio, e); + this.zoom(-delta * ratio, event); }, - cropStart: function cropStart(e) { - if (this.disabled) { + cropStart: function cropStart(event) { + var buttons = event.buttons, + button = event.button; + + 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; } var options = this.options, pointers = this.pointers; + var action; - var action = void 0; - - if (e.changedTouches) { + if (event.changedTouches) { // Handle touch event - each(e.changedTouches, function (touch) { + forEach(event.changedTouches, function (touch) { pointers[touch.identifier] = getPointer(touch); }); } else { // Handle mouse event and pointer event - pointers[e.pointerId || 0] = getPointer(e); + pointers[event.pointerId || 0] = getPointer(event); } if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) { action = ACTION_ZOOM; } else { - action = getData(e.target, DATA_ACTION); + action = getData(event.target, DATA_ACTION); } if (!REGEXP_ACTIONS.test(action)) { @@ -1989,14 +1896,14 @@ var handlers = { } if (dispatchEvent(this.element, EVENT_CROP_START, { - originalEvent: e, + originalEvent: event, action: action }) === false) { return; - } + } // This line is required for preventing page zooming in iOS browsers - e.preventDefault(); + event.preventDefault(); this.action = action; this.cropping = false; @@ -2005,37 +1912,35 @@ var handlers = { addClass(this.dragBox, CLASS_MODAL); } }, - cropMove: function cropMove(e) { + cropMove: function cropMove(event) { var action = this.action; - if (this.disabled || !action) { return; } var pointers = this.pointers; - - - e.preventDefault(); + event.preventDefault(); if (dispatchEvent(this.element, EVENT_CROP_MOVE, { - originalEvent: e, + originalEvent: event, action: action }) === false) { return; } - if (e.changedTouches) { - each(e.changedTouches, function (touch) { - extend(pointers[touch.identifier], getPointer(touch, true)); + if (event.changedTouches) { + forEach(event.changedTouches, function (touch) { + // The first parameter should not be undefined (#432) + assign(pointers[touch.identifier] || {}, getPointer(touch, true)); }); } else { - extend(pointers[e.pointerId || 0], getPointer(e, true)); + assign(pointers[event.pointerId || 0] || {}, getPointer(event, true)); } - this.change(e); + this.change(event); }, - cropEnd: function cropEnd(e) { + cropEnd: function cropEnd(event) { if (this.disabled) { return; } @@ -2043,20 +1948,19 @@ var handlers = { var action = this.action, pointers = this.pointers; - - if (e.changedTouches) { - each(e.changedTouches, function (touch) { + if (event.changedTouches) { + forEach(event.changedTouches, function (touch) { delete pointers[touch.identifier]; }); } else { - delete pointers[e.pointerId || 0]; + delete pointers[event.pointerId || 0]; } if (!action) { return; } - e.preventDefault(); + event.preventDefault(); if (!Object.keys(pointers).length) { this.action = ''; @@ -2068,14 +1972,14 @@ var handlers = { } dispatchEvent(this.element, EVENT_CROP_END, { - originalEvent: e, + originalEvent: event, action: action }); } }; var change = { - change: function change(e) { + change: function change(event) { var options = this.options, canvasData = this.canvasData, containerData = this.containerData, @@ -2087,7 +1991,6 @@ var change = { top = cropBoxData.top, width = cropBoxData.width, height = cropBoxData.height; - var right = left + width; var bottom = top + height; var minLeft = 0; @@ -2095,17 +1998,15 @@ var change = { var maxWidth = containerData.width; var maxHeight = containerData.height; var renderable = true; - var offset = void 0; + var offset; // Locking aspect ratio in "free mode" by holding shift key - // Locking aspect ratio in "free mode" by holding shift key - if (!aspectRatio && e.shiftKey) { + 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); } @@ -2115,6 +2016,7 @@ var change = { x: pointer.endX - pointer.startX, y: pointer.endY - pointer.startY }; + var check = function check(side) { switch (side) { case ACTION_EAST: @@ -2155,8 +2057,8 @@ var change = { 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; @@ -2166,14 +2068,15 @@ var change = { check(ACTION_EAST); width += range.x; - if (aspectRatio) { - height = width / aspectRatio; - top -= range.x / aspectRatio / 2; - } - if (width < 0) { action = ACTION_WEST; - width = 0; + width = -width; + left -= width; + } + + if (aspectRatio) { + height = width / aspectRatio; + top += (cropBoxData.height - height) / 2; } break; @@ -2188,14 +2091,15 @@ var change = { height -= range.y; top += range.y; - if (aspectRatio) { - width = height * aspectRatio; - left += range.y * aspectRatio / 2; - } - if (height < 0) { action = ACTION_SOUTH; - height = 0; + height = -height; + top -= height; + } + + if (aspectRatio) { + width = height * aspectRatio; + left += (cropBoxData.width - width) / 2; } break; @@ -2210,14 +2114,15 @@ var change = { width -= range.x; left += range.x; - if (aspectRatio) { - height = width / aspectRatio; - top += range.x / aspectRatio / 2; - } - if (width < 0) { action = ACTION_EAST; - width = 0; + width = -width; + left -= width; + } + + if (aspectRatio) { + height = width / aspectRatio; + top += (cropBoxData.height - height) / 2; } break; @@ -2231,14 +2136,15 @@ var change = { check(ACTION_SOUTH); height += range.y; - if (aspectRatio) { - width = height * aspectRatio; - left -= range.y * aspectRatio / 2; - } - if (height < 0) { action = ACTION_NORTH; - height = 0; + height = -height; + top -= height; + } + + if (aspectRatio) { + width = height * aspectRatio; + left += (cropBoxData.width - width) / 2; } break; @@ -2281,14 +2187,18 @@ var change = { if (width < 0 && height < 0) { action = ACTION_SOUTH_WEST; - height = 0; - width = 0; + height = -height; + width = -width; + top -= height; + left -= width; } else if (width < 0) { action = ACTION_NORTH_WEST; - width = 0; + width = -width; + left -= width; } else if (height < 0) { action = ACTION_SOUTH_EAST; - height = 0; + height = -height; + top -= height; } break; @@ -2304,7 +2214,7 @@ var change = { height -= range.y; top += range.y; width = height * aspectRatio; - left += range.y * aspectRatio; + left += cropBoxData.width - width; } else { check(ACTION_NORTH); check(ACTION_WEST); @@ -2334,14 +2244,18 @@ var change = { if (width < 0 && height < 0) { action = ACTION_SOUTH_EAST; - height = 0; - width = 0; + height = -height; + width = -width; + top -= height; + left -= width; } else if (width < 0) { action = ACTION_NORTH_EAST; - width = 0; + width = -width; + left -= width; } else if (height < 0) { action = ACTION_SOUTH_WEST; - height = 0; + height = -height; + top -= height; } break; @@ -2384,14 +2298,18 @@ var change = { if (width < 0 && height < 0) { action = ACTION_NORTH_EAST; - height = 0; - width = 0; + height = -height; + width = -width; + top -= height; + left -= width; } else if (width < 0) { action = ACTION_SOUTH_EAST; - width = 0; + width = -width; + left -= width; } else if (height < 0) { action = ACTION_NORTH_WEST; - height = 0; + height = -height; + top -= height; } break; @@ -2431,31 +2349,35 @@ var change = { if (width < 0 && height < 0) { action = ACTION_NORTH_WEST; - height = 0; - width = 0; + height = -height; + width = -width; + top -= height; + left -= width; } else if (width < 0) { action = ACTION_SOUTH_WEST; - width = 0; + width = -width; + left -= width; } else if (height < 0) { action = ACTION_NORTH_EAST; - height = 0; + height = -height; + top -= height; } break; - // Move canvas + case ACTION_MOVE: this.move(range.x, range.y); renderable = false; break; - // Zoom canvas + case ACTION_ZOOM: - this.zoom(getMaxZoomRatio(pointers), e); + this.zoom(getMaxZoomRatio(pointers), event); renderable = false; break; - // Create crop box + case ACTION_CROP: if (!range.x || !range.y) { renderable = false; @@ -2477,9 +2399,9 @@ var change = { 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; @@ -2501,10 +2423,10 @@ var change = { cropBoxData.top = top; this.action = action; this.renderCropBox(); - } + } // Override + - // Override - each(pointers, function (p) { + forEach(pointers, function (p) { p.startX = p.endX; p.startY = p.endY; }); @@ -2514,31 +2436,26 @@ var change = { var methods = { // Show the crop box manually crop: function crop() { - if (this.ready && !this.disabled) { - if (!this.cropped) { - this.cropped = true; - this.limitCropBox(true, true); - - if (this.options.modal) { - addClass(this.dragBox, CLASS_MODAL); - } + if (this.ready && !this.cropped && !this.disabled) { + this.cropped = true; + this.limitCropBox(true, true); - removeClass(this.cropBox, CLASS_HIDDEN); + if (this.options.modal) { + addClass(this.dragBox, CLASS_MODAL); } + removeClass(this.cropBox, CLASS_HIDDEN); this.setCropBoxData(this.initialCropBoxData); } return this; }, - - // 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.imageData = assign({}, this.initialImageData); + this.canvasData = assign({}, this.initialCanvasData); + this.cropBoxData = assign({}, this.initialCropBoxData); this.renderCanvas(); if (this.cropped) { @@ -2548,23 +2465,19 @@ var methods = { return this; }, - - // Clear the crop box clear: function clear() { if (this.cropped && !this.disabled) { - extend(this.cropBoxData, { + assign(this.cropBoxData, { left: 0, top: 0, width: 0, height: 0 }); - this.cropped = false; this.renderCropBox(); - this.limitCanvas(true, true); + this.limitCanvas(true, true); // Render canvas after crop box rendered - // Render canvas after crop box rendered this.renderCanvas(); removeClass(this.dragBox, CLASS_MODAL); addClass(this.cropBox, CLASS_HIDDEN); @@ -2573,29 +2486,27 @@ var methods = { return this; }, - /** * 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 + * @param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one. + * @returns {Cropper} this */ replace: function replace(url) { - var onlyColorChanged = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; if (!this.disabled && url) { if (this.isImg) { this.element.src = url; } - if (onlyColorChanged) { + if (hasSameSize) { this.url = url; this.image.src = url; if (this.ready) { - this.image2.src = url; - - each(this.previews, function (element) { + this.viewBoxImage.src = url; + forEach(this.previews, function (element) { element.getElementsByTagName('img')[0].src = url; }); } @@ -2604,30 +2515,26 @@ var methods = { this.replaced = true; } - // Clear previous data this.options.data = null; + this.uncreate(); this.load(url); } } return this; }, - - // Enable (unfreeze) the cropper enable: function enable() { - if (this.ready) { + if (this.ready && this.disabled) { this.disabled = false; removeClass(this.cropper, CLASS_DISABLED); } return this; }, - - // Disable (freeze) the cropper disable: function disable() { - if (this.ready) { + if (this.ready && !this.disabled) { this.disabled = true; addClass(this.cropper, CLASS_DISABLED); } @@ -2635,60 +2542,51 @@ var methods = { return this; }, - - // Destroy the cropper and remove the instance from the image + /** + * Destroy the cropper and remove the instance from the image + * @returns {Cropper} this + */ destroy: function destroy() { - var element = this.element, - image = this.image; + var element = this.element; + if (!element[NAMESPACE]) { + return this; + } - if (this.loaded) { - if (this.isImg && this.replaced) { - element.src = this.originalUrl; - } + element[NAMESPACE] = undefined; - this.unbuild(); - removeClass(element, CLASS_HIDDEN); - } else if (this.isImg) { - removeListener(element, EVENT_LOAD, this.onStart); - } else if (image) { - image.parentNode.removeChild(image); + if (this.isImg && this.replaced) { + element.src = this.originalUrl; } - removeData(element, NAMESPACE); - + this.uncreate(); 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 + * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis. + * @returns {Cropper} this */ - move: function move(offsetX, offsetY) { - var _canvasData = this.canvasData, - left = _canvasData.left, - top = _canvasData.top; - - + 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)); }, - /** * 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 + * @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); @@ -2711,17 +2609,14 @@ var methods = { 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 + * @returns {Cropper} this */ zoom: function zoom(ratio, _originalEvent) { var canvasData = this.canvasData; - - ratio = Number(ratio); if (ratio < 0) { @@ -2733,13 +2628,12 @@ var methods = { 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 {Object} this + * @returns {Cropper} this */ zoomTo: function zoomTo(ratio, pivot, _originalEvent) { var options = this.options, @@ -2748,8 +2642,6 @@ var methods = { height = canvasData.height, naturalWidth = canvasData.naturalWidth, naturalHeight = canvasData.naturalHeight; - - ratio = Number(ratio); if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) { @@ -2757,23 +2649,21 @@ var methods = { var newHeight = naturalHeight * ratio; if (dispatchEvent(this.element, EVENT_ZOOM, { - originalEvent: _originalEvent, + ratio: ratio, oldRatio: width / naturalWidth, - ratio: newWidth / naturalWidth + originalEvent: _originalEvent }) === false) { 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 - }; + }; // Zoom from the triggering point of the event - // 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)) { @@ -2793,21 +2683,19 @@ var methods = { return this; }, - /** * Rotate the canvas with a relative degree * @param {number} degree - The rotate degree. - * @returns {Object} this + * @returns {Cropper} 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 + * @returns {Cropper} this */ rotateTo: function rotateTo(degree) { degree = Number(degree); @@ -2820,45 +2708,36 @@ var methods = { return this; }, - /** * Scale the image on the x-axis. * @param {number} scaleX - The scale ratio on the x-axis. - * @returns {Object} this + * @returns {Cropper} this */ scaleX: function scaleX(_scaleX) { var scaleY = this.imageData.scaleY; - - return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1); }, - /** * Scale the image on the y-axis. * @param {number} scaleY - The scale ratio on the y-axis. - * @returns {Object} this + * @returns {Cropper} this */ scaleY: function scaleY(_scaleY) { var scaleX = this.imageData.scaleX; - - return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY); }, - /** * 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 + * @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); @@ -2881,20 +2760,18 @@ var methods = { 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$$1() { + getData: function getData() { var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; var options = this.options, imageData = this.imageData, canvasData = this.canvasData, cropBoxData = this.cropBoxData; - - var data = void 0; + var data; if (this.ready && this.cropped) { data = { @@ -2903,13 +2780,21 @@ var methods = { width: cropBoxData.width, height: cropBoxData.height }; - var ratio = imageData.width / imageData.naturalWidth; - - each(data, function (n, i) { - n /= ratio; - data[i] = rounded ? Math.round(n) : n; + forEach(data, function (n, i) { + data[i] = n / ratio; }); + + if (rounded) { + // In case rounding off leads to extra 1px in right or bottom border + // we should round the top-left corner and the dimension (#343). + var bottom = Math.round(data.y + data.height); + var right = Math.round(data.x + data.width); + data.x = Math.round(data.x); + data.y = Math.round(data.y); + data.width = right - data.x; + data.height = bottom - data.y; + } } else { data = { x: 0, @@ -2931,23 +2816,17 @@ var methods = { return data; }, - /** * Set the cropped area position and size with new data * @param {Object} data - The new data. - * @returns {Object} this + * @returns {Cropper} this */ - setData: function setData$$1(data) { + setData: function setData(data) { var options = this.options, imageData = this.imageData, canvasData = this.canvasData; - var cropBoxData = {}; - if (isFunction(data)) { - data = data.call(this.element); - } - if (this.ready && !this.disabled && isPlainObject(data)) { var transformed = false; @@ -2998,36 +2877,32 @@ var methods = { return this; }, - /** * Get the container size data. * @returns {Object} The result container data. */ getContainerData: function getContainerData() { - return this.ready ? extend({}, this.containerData) : {}; + return this.ready ? assign({}, this.containerData) : {}; }, - /** * Get the image position and size data. * @returns {Object} The result image data. */ getImageData: function getImageData() { - return this.loaded ? extend({}, this.imageData) : {}; + return this.sized ? assign({}, this.imageData) : {}; }, - /** * 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) { - each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) { + forEach(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (n) { data[n] = canvasData[n]; }); } @@ -3035,21 +2910,15 @@ var methods = { return data; }, - /** * Set the canvas position and size with new data. * @param {Object} data - The new canvas data. - * @returns {Object} this + * @returns {Cropper} this */ setCanvasData: function setCanvasData(data) { var canvasData = this.canvasData; var aspectRatio = canvasData.aspectRatio; - - if (isFunction(data)) { - data = data.call(this.element); - } - if (this.ready && !this.disabled && isPlainObject(data)) { if (isNumber(data.left)) { canvasData.left = data.left; @@ -3073,15 +2942,13 @@ var methods = { return this; }, - /** * Get the crop box position and size data. * @returns {Object} The result crop box data. */ getCropBoxData: function getCropBoxData() { var cropBoxData = this.cropBoxData; - - var data = void 0; + var data; if (this.ready && this.cropped) { data = { @@ -3095,22 +2962,16 @@ var methods = { return data || {}; }, - /** * Set the crop box position and size with new data. * @param {Object} data - The new crop box data. - * @returns {Object} this + * @returns {Cropper} this */ setCropBoxData: function setCropBoxData(data) { var cropBoxData = this.cropBoxData; var aspectRatio = this.options.aspectRatio; - - var widthChanged = void 0; - var heightChanged = void 0; - - if (isFunction(data)) { - data = data.call(this.element); - } + var widthChanged; + var heightChanged; if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) { if (isNumber(data.left)) { @@ -3145,7 +3006,6 @@ var methods = { return this; }, - /** * Get a canvas drawn the cropped image. * @param {Object} [options={}] - The config options. @@ -3159,78 +3019,77 @@ var methods = { } var canvasData = this.canvasData; + var source = getSourceCanvas(this.image, this.imageData, canvasData, options); // Returns the source canvas if it is not cropped. - 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 _this$getData = this.getData(), + initialX = _this$getData.x, + initialY = _this$getData.y, + initialWidth = _this$getData.width, + initialHeight = _this$getData.height; + + var ratio = source.width / Math.floor(canvasData.naturalWidth); + + if (ratio !== 1) { + initialX *= ratio; + initialY *= ratio; + initialWidth *= ratio; + initialHeight *= ratio; + } var aspectRatio = initialWidth / initialHeight; - var maxSizes = getContainSizes({ + var maxSizes = getAdjustedSizes({ aspectRatio: aspectRatio, width: options.maxWidth || Infinity, height: options.maxHeight || Infinity }); - var minSizes = getContainSizes({ + var minSizes = getAdjustedSizes({ aspectRatio: aspectRatio, width: options.minWidth || 0, height: options.minHeight || 0 - }); + }, 'cover'); - var _getContainSizes = getContainSizes({ + var _getAdjustedSizes = getAdjustedSizes({ aspectRatio: aspectRatio, - width: options.width || initialWidth, - height: options.height || initialHeight + width: options.width || (ratio !== 1 ? source.width : initialWidth), + height: options.height || (ratio !== 1 ? source.height : initialHeight) }), - width = _getContainSizes.width, - height = _getContainSizes.height; + width = _getAdjustedSizes.width, + height = _getAdjustedSizes.height; width = Math.min(maxSizes.width, Math.max(minSizes.width, width)); height = Math.min(maxSizes.height, Math.max(minSizes.height, height)); - var canvas = document.createElement('canvas'); var context = canvas.getContext('2d'); - canvas.width = normalizeDecimalNumber(width); canvas.height = normalizeDecimalNumber(height); - context.fillStyle = options.fillColor || 'transparent'; context.fillRect(0, 0, width, height); - var _options$imageSmoothi = options.imageSmoothingEnabled, - imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi, + 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 + - // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage var sourceWidth = source.width; - var sourceHeight = source.height; + var sourceHeight = source.height; // Source canvas parameters - // Source canvas parameters - var srcX = x; - var srcY = y; - var srcWidth = void 0; - var srcHeight = void 0; + var srcX = initialX; + var srcY = initialY; + var srcWidth; + var srcHeight; // Destination canvas parameters - // Destination canvas parameters - var dstX = void 0; - var dstY = void 0; - var dstWidth = void 0; - var dstHeight = void 0; + var dstX; + var dstY; + var dstWidth; + var dstHeight; if (srcX <= -initialWidth || srcX > sourceWidth) { srcX = 0; @@ -3264,34 +3123,29 @@ var methods = { dstHeight = srcHeight; } - // All the numerical parameters should be integer for `drawImage` - // https://github.com/fengyuanchen/cropper/issues/476 - var params = [srcX, srcY, srcWidth, srcHeight]; + var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError" - // 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) { + + 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 {Object} this + * @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; @@ -3308,24 +3162,21 @@ var methods = { return this; }, - /** * Change the drag mode. * @param {string} mode - The new drag mode. - * @returns {Object} this + * @returns {Cropper} this */ setDragMode: function setDragMode(mode) { var options = this.options, dragBox = this.dragBox, face = this.face; - - if (this.loaded && !this.disabled) { + 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); @@ -3344,7 +3195,9 @@ var methods = { var AnotherCropper = WINDOW.Cropper; -var Cropper = function () { +var Cropper = +/*#__PURE__*/ +function () { /** * Create a new Cropper. * @param {Element} element - The target element for cropping. @@ -3352,58 +3205,50 @@ var Cropper = function () { */ function Cropper(element) { var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; - classCallCheck(this, Cropper); + + _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.'); } this.element = element; - this.options = extend({}, DEFAULTS, isPlainObject(options) && options); - this.complete = false; + this.options = assign({}, DEFAULTS, isPlainObject(options) && options); this.cropped = false; this.disabled = false; - this.isImg = false; - this.limited = false; - this.loaded = false; + this.pointers = {}; this.ready = false; + this.reloading = false; this.replaced = false; - this.wheeling = false; - this.originalUrl = ''; - this.canvasData = null; - this.cropBoxData = null; - this.previews = null; - this.pointers = {}; + this.sized = false; + this.sizing = false; this.init(); } - createClass(Cropper, [{ - key: 'init', + _createClass(Cropper, [{ + key: "init", value: function init() { var element = this.element; - var tagName = element.tagName.toLowerCase(); - var url = void 0; + var url; - if (getData(element, NAMESPACE)) { + if (element[NAMESPACE]) { return; } - setData(element, NAMESPACE, this); + element[NAMESPACE] = this; if (tagName === 'img') { - this.isImg = true; + this.isImg = true; // e.g.: "img/picture.jpg" - // e.g.: "img/picture.jpg" url = element.getAttribute('src') || ''; - this.originalUrl = url; + this.originalUrl = url; // Stop when it's a blank image - // Stop when it's a blank image if (!url) { return; - } + } // e.g.: "http://example.com/img/picture.jpg" + - // e.g.: "http://example.com/img/picture.jpg" url = element.src; } else if (tagName === 'canvas' && window.HTMLCanvasElement) { url = element.toDataURL(); @@ -3412,7 +3257,7 @@ var Cropper = function () { this.load(url); } }, { - key: 'load', + key: "load", value: function load(url) { var _this = this; @@ -3422,59 +3267,88 @@ var Cropper = function () { this.url = url; this.imageData = {}; - var element = this.element, options = this.options; + if (!options.rotatable && !options.scalable) { + options.checkOrientation = false; + } // Only IE10+ supports Typed Arrays + if (!options.checkOrientation || !window.ArrayBuffer) { this.clone(); return; - } + } // Detect the mime type of the image directly if it is a Data URL + - // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari 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(); } 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(); - xhr.onerror = function () { - _this.clone(); + 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(); + } }; xhr.onload = function () { _this.read(xhr.response); }; + xhr.onloadend = function () { + _this.reloading = false; + _this.xhr = null; + }; // Bust cache when there is a "crossOrigin" property to avoid browser cache error + + if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) { url = addTimestamp(url); } - xhr.open('get', url); + xhr.open('GET', url); xhr.responseType = 'arraybuffer'; xhr.withCredentials = element.crossOrigin === 'use-credentials'; xhr.send(); } }, { - key: 'read', + key: "read", value: function read(arrayBuffer) { var options = this.options, - imageData = this.imageData; + imageData = this.imageData; // Reset the orientation value to its default value 1 + // as some iOS browsers will render image with its orientation - var orientation = getOrientation(arrayBuffer); + var orientation = resetAndGetOrientation(arrayBuffer); var rotate = 0; var scaleX = 1; var scaleY = 1; if (orientation > 1) { - this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg'); + // Generate a new URL which has the default orientation value + this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_JPEG); var _parseOrientation = parseOrientation(orientation); @@ -3495,31 +3369,24 @@ var Cropper = function () { this.clone(); } }, { - key: 'clone', + key: "clone", value: function clone() { var element = this.element, url = this.url; - - var crossOrigin = void 0; - var crossOriginUrl = void 0; + var crossOrigin = element.crossOrigin; + var crossOriginUrl = url; if (this.options.checkCrossOrigin && isCrossOriginURL(url)) { - crossOrigin = element.crossOrigin; - - - if (crossOrigin) { - crossOriginUrl = url; - } else { + if (!crossOrigin) { crossOrigin = 'anonymous'; + } // Bust cache when there is not a "crossOrigin" property (#519) - // Bust cache when there is not a "crossOrigin" property - crossOriginUrl = addTimestamp(url); - } + + crossOriginUrl = addTimestamp(url); } this.crossOrigin = crossOrigin; this.crossOriginUrl = crossOriginUrl; - var image = document.createElement('img'); if (crossOrigin) { @@ -3527,138 +3394,126 @@ var Cropper = function () { } image.src = crossOriginUrl || url; - - var start = proxy(this.start, this); - var stop = proxy(this.stop, this); - + image.alt = element.alt || 'The image to crop'; this.image = image; - this.onStart = start; - this.onStop = stop; - - if (this.isImg) { - if (element.complete) { - this.start(); - } else { - addListener(element, EVENT_LOAD, start); - } - } else { - addListener(image, EVENT_LOAD, start); - addListener(image, EVENT_ERROR, stop); - addClass(image, CLASS_HIDE); - element.parentNode.insertBefore(image, element.nextSibling); - } + 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(event) { + key: "start", + value: function start() { var _this2 = this; - var image = this.isImg ? this.element : this.image; + 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. - if (event) { - removeListener(image, EVENT_LOAD, this.onStart); - removeListener(image, EVENT_ERROR, this.onStop); - } + var isIOSWebKit = WINDOW.navigator && /(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(WINDOW.navigator.userAgent); - getImageNaturalSizes(image, function (naturalWidth, naturalHeight) { - extend(_this2.imageData, { + var done = function done(naturalWidth, naturalHeight) { + assign(_this2.imageData, { naturalWidth: naturalWidth, naturalHeight: naturalHeight, aspectRatio: naturalWidth / naturalHeight }); - _this2.loaded = true; + _this2.sizing = false; + _this2.sized = true; + _this2.build(); - }); + }; // Most modern browsers (excepts iOS WebKit) + + + if (image.naturalWidth && !isIOSWebKit) { + done(image.naturalWidth, image.naturalHeight); + return; + } + + var sizingImage = document.createElement('img'); + var body = document.body || document.documentElement; + this.sizingImage = sizingImage; + + sizingImage.onload = function () { + done(sizingImage.width, sizingImage.height); + + if (!isIOSWebKit) { + body.removeChild(sizingImage); + } + }; + + sizingImage.src = image.src; // iOS WebKit will convert the image automatically + // with its orientation once append it into DOM (#279) + + 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', + key: "stop", value: function stop() { var image = this.image; - - - removeListener(image, EVENT_LOAD, this.onStart); - removeListener(image, EVENT_ERROR, this.onStop); + image.onload = null; + image.onerror = null; image.parentNode.removeChild(image); this.image = null; } }, { - key: 'build', + key: "build", value: function build() { - var _this3 = this; - - if (!this.loaded) { + if (!this.sized || this.ready) { return; } - // Unbuild first when replace - if (this.ready) { - this.unbuild(); - } - var element = this.element, options = this.options, - image = this.image; - - // Create cropper elements + image = this.image; // Create cropper elements var container = element.parentNode; var template = document.createElement('div'); - 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'); - + 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('.' + NAMESPACE + '-view-box'); + this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box")); this.face = face; + canvas.appendChild(image); // Hide the original image - canvas.appendChild(image); - - // Hide the original image - addClass(element, CLASS_HIDDEN); + addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image - // Inserts the cropper after to the current image - container.insertBefore(cropper, element.nextSibling); + container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden - // Show the image if is hidden if (!this.isImg) { removeClass(image, CLASS_HIDE); } 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; - - this.cropped = options.autoCrop; - - if (options.autoCrop) { - if (options.modal) { - addClass(dragBox, CLASS_MODAL); - } - } else { - addClass(cropBox, CLASS_HIDDEN); - } + addClass(cropBox, CLASS_HIDDEN); if (!options.guides) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-dashed'), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN); } if (!options.center) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-center'), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN); } if (options.background) { - addClass(cropper, NAMESPACE + '-bg'); + addClass(cropper, "".concat(NAMESPACE, "-bg")); } if (!options.highlight) { @@ -3671,90 +3526,85 @@ var Cropper = function () { } if (!options.cropBoxResizable) { - addClass(cropBox.getElementsByClassName(NAMESPACE + '-line'), CLASS_HIDDEN); - addClass(cropBox.getElementsByClassName(NAMESPACE + '-point'), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-line")), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN); } - this.setDragMode(options.dragMode); this.render(); this.ready = true; - this.setData(options.data); + this.setDragMode(options.dragMode); - // 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 - }); - } + if (options.autoCrop) { + this.crop(); + } - dispatchEvent(element, EVENT_READY); - dispatchEvent(element, EVENT_CROP, _this3.getData()); + this.setData(options.data); - _this3.complete = true; - }, 0); + if (isFunction(options.ready)) { + addListener(element, EVENT_READY, options.ready, { + once: true + }); + } + + dispatchEvent(element, EVENT_READY); } }, { - key: 'unbuild', + key: "unbuild", value: function unbuild() { if (!this.ready) { return; } - if (!this.complete) { - clearTimeout(this.completing); - } - 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; + 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. */ }], [{ - key: 'noConflict', + key: "noConflict", value: function noConflict() { window.Cropper = AnotherCropper; return Cropper; } - /** * Change the default options. * @param {Object} options - The new default options. */ }, { - key: 'setDefaults', + key: "setDefaults", value: function setDefaults(options) { - extend(DEFAULTS, isPlainObject(options) && options); + assign(DEFAULTS, isPlainObject(options) && options); } }]); + return Cropper; }(); -extend(Cropper.prototype, render, preview, events, handlers, change, methods); +assign(Cropper.prototype, render, preview, events, handlers, change, methods); module.exports = Cropper; |