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Diffstat (limited to 'library/cropperjs/dist/cropper.js')
| -rw-r--r-- | library/cropperjs/dist/cropper.js | 3766 |
1 files changed, 3766 insertions, 0 deletions
diff --git a/library/cropperjs/dist/cropper.js b/library/cropperjs/dist/cropper.js new file mode 100644 index 000000000..0e837953c --- /dev/null +++ b/library/cropperjs/dist/cropper.js @@ -0,0 +1,3766 @@ +/*! + * Cropper.js v1.2.2 + * https://github.com/fengyuanchen/cropperjs + * + * Copyright (c) 2015-2018 Chen Fengyuan + * Released under the MIT license + * + * Date: 2018-01-03T13:27:18.062Z + */ + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.Cropper = factory()); +}(this, (function () { 'use strict'; + +var WINDOW = typeof window !== 'undefined' ? window : {}; +var NAMESPACE = 'cropper'; + +// Actions +var ACTION_ALL = 'all'; +var ACTION_CROP = 'crop'; +var ACTION_MOVE = 'move'; +var ACTION_ZOOM = 'zoom'; +var ACTION_EAST = 'e'; +var ACTION_WEST = 'w'; +var ACTION_SOUTH = 's'; +var ACTION_NORTH = 'n'; +var ACTION_NORTH_EAST = 'ne'; +var ACTION_NORTH_WEST = 'nw'; +var ACTION_SOUTH_EAST = 'se'; +var ACTION_SOUTH_WEST = 'sw'; + +// Classes +var CLASS_CROP = NAMESPACE + '-crop'; +var CLASS_DISABLED = NAMESPACE + '-disabled'; +var CLASS_HIDDEN = NAMESPACE + '-hidden'; +var CLASS_HIDE = NAMESPACE + '-hide'; +var CLASS_INVISIBLE = NAMESPACE + '-invisible'; +var CLASS_MODAL = NAMESPACE + '-modal'; +var CLASS_MOVE = NAMESPACE + '-move'; + +// Data keys +var DATA_ACTION = 'action'; +var DATA_PREVIEW = 'preview'; + +// Drag modes +var DRAG_MODE_CROP = 'crop'; +var DRAG_MODE_MOVE = 'move'; +var DRAG_MODE_NONE = 'none'; + +// Events +var EVENT_CROP = 'crop'; +var EVENT_CROP_END = 'cropend'; +var EVENT_CROP_MOVE = 'cropmove'; +var EVENT_CROP_START = 'cropstart'; +var EVENT_DBLCLICK = 'dblclick'; +var EVENT_ERROR = 'error'; +var EVENT_LOAD = 'load'; +var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown'; +var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove'; +var EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup'; +var EVENT_READY = 'ready'; +var EVENT_RESIZE = 'resize'; +var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll'; +var EVENT_ZOOM = 'zoom'; + +// RegExps +var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/; +var REGEXP_DATA_URL = /^data:/; +var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/; +var REGEXP_TAG_NAME = /^(img|canvas)$/i; + +var DEFAULTS = { + // Define the view mode of the cropper + viewMode: 0, // 0, 1, 2, 3 + + // Define the dragging mode of the cropper + dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none' + + // Define the aspect ratio of the crop box + aspectRatio: NaN, + + // An object with the previous cropping result data + data: null, + + // A selector for adding extra containers to preview + preview: '', + + // Re-render the cropper when resize the window + responsive: true, + + // Restore the cropped area after resize the window + restore: true, + + // Check if the current image is a cross-origin image + checkCrossOrigin: true, + + // Check the current image's Exif Orientation information + checkOrientation: true, + + // Show the black modal + modal: true, + + // Show the dashed lines for guiding + guides: true, + + // Show the center indicator for guiding + center: true, + + // Show the white modal to highlight the crop box + highlight: true, + + // Show the grid background + background: true, + + // Enable to crop the image automatically when initialize + autoCrop: true, + + // Define the percentage of automatic cropping area when initializes + autoCropArea: 0.8, + + // Enable to move the image + movable: true, + + // Enable to rotate the image + rotatable: true, + + // Enable to scale the image + scalable: true, + + // Enable to zoom the image + zoomable: true, + + // Enable to zoom the image by dragging touch + zoomOnTouch: true, + + // Enable to zoom the image by wheeling mouse + zoomOnWheel: true, + + // Define zoom ratio when zoom the image by wheeling mouse + wheelZoomRatio: 0.1, + + // Enable to move the crop box + cropBoxMovable: true, + + // Enable to resize the crop box + cropBoxResizable: true, + + // Toggle drag mode between "crop" and "move" when click twice on the cropper + toggleDragModeOnDblclick: true, + + // Size limitation + minCanvasWidth: 0, + minCanvasHeight: 0, + minCropBoxWidth: 0, + minCropBoxHeight: 0, + minContainerWidth: 200, + minContainerHeight: 100, + + // Shortcuts of events + ready: null, + cropstart: null, + cropmove: null, + cropend: null, + crop: null, + zoom: null +}; + +var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>'; + +var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { + return typeof obj; +} : function (obj) { + return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; +}; + + + + + + + + + + + +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); + } +}; + +/** + * Check if the given value is not a number. + */ +var isNaN = Number.isNaN || WINDOW.isNaN; + +/** + * Check if the given value is a number. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a number, else `false`. + */ +function isNumber(value) { + return typeof value === 'number' && !isNaN(value); +} + +/** + * Check if the given value is 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; +} + +var hasOwnProperty = Object.prototype.hasOwnProperty; + +/** + * Check if the given value is a plain object. + * @param {*} value - The value to check. + * @returns {boolean} Returns `true` if the given value is a plain object, else `false`. + */ + +function isPlainObject(value) { + if (!isObject(value)) { + return false; + } + + try { + var _constructor = value.constructor; + var prototype = _constructor.prototype; + + + return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf'); + } catch (e) { + 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'; +} + +/** + * 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; + } + } + } else if (isObject(data)) { + Object.keys(data).forEach(function (key) { + callback.call(data, data[key], key, data); + }); + } + } + + 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. + * @returns {Object} The extended object. + */ +function extend(obj) { + for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { + args[_key - 1] = arguments[_key]; + } + + if (isObject(obj) && args.length > 0) { + if (Object.assign) { + return Object.assign.apply(Object, [obj].concat(args)); + } + + args.forEach(function (arg) { + if (isObject(arg)) { + Object.keys(arg).forEach(function (key) { + obj[key] = arg[key]; + }); + } + }); + } + + return obj; +} + +/** + * 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*$/i; + +/** + * Normalize decimal number. + * Check out {@link http://0.30000000000000004.com/ } + * @param {number} value - The value to normalize. + * @param {number} [times=100000000000] - The times for normalizing. + * @returns {number} Returns the normalized number. + */ +function normalizeDecimalNumber(value) { + var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000; + + return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value; +} + +var REGEXP_SUFFIX = /^(width|height|left|top|marginLeft|marginTop)$/; + +/** + * 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) { + if (REGEXP_SUFFIX.test(property) && isNumber(value)) { + 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) { + addClass(elem, value); + }); + return; + } + + if (element.classList) { + element.classList.add(value); + return; + } + + var className = element.className.trim(); + + if (!className) { + element.className = value; + } else if (className.indexOf(value) < 0) { + element.className = className + ' ' + value; + } +} + +/** + * Remove classes from the given element. + * @param {Element} element - The target element. + * @param {string} value - The classes to be removed. + */ +function removeClass(element, value) { + if (!value) { + return; + } + + if (isNumber(element.length)) { + each(element, function (elem) { + removeClass(elem, value); + }); + return; + } + + if (element.classList) { + element.classList.remove(value); + return; + } + + if (element.className.indexOf(value) >= 0) { + element.className = element.className.replace(value, ''); + } +} + +/** + * 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) { + toggleClass(elem, value, added); + }); + return; + } + + // IE10-11 doesn't support the second parameter of `classList.toggle` + if (added) { + addClass(element, value); + } else { + removeClass(element, value); + } +} + +var REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g; + +/** + * Hyphenate the given value. + * @param {string} value - The value to hyphenate. + * @returns {string} The hyphenated value. + */ +function hyphenate(value) { + return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase(); +} + +/** + * Get data from the given element. + * @param {Element} element - The target element. + * @param {string} name - The data key to get. + * @returns {string} The data value. + */ +function getData(element, name) { + if (isObject(element[name])) { + return element[name]; + } else if (element.dataset) { + return element.dataset[name]; + } + + return element.getAttribute('data-' + hyphenate(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); + } +} + +/** + * Remove data from the given element. + * @param {Element} element - The target element. + * @param {string} name - The data key to remove. + */ +function removeData(element, name) { + if (isObject(element[name])) { + try { + delete element[name]; + } catch (e) { + element[name] = null; + } + } else if (element.dataset) { + // #128 Safari not allows to delete dataset property + try { + delete element.dataset[name]; + } catch (e) { + element.dataset[name] = null; + } + } else { + element.removeAttribute('data-' + hyphenate(name)); + } +} + +var REGEXP_SPACES = /\s+/; + +/** + * Remove event listener from the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Function} listener - The event listener. + * @param {Object} options - The event options. + */ +function removeListener(element, type, listener) { + var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + + if (!isFunction(listener)) { + return; + } + + var types = type.trim().split(REGEXP_SPACES); + + if (types.length > 1) { + each(types, function (t) { + removeListener(element, t, listener, options); + }); + return; + } + + if (element.removeEventListener) { + element.removeEventListener(type, listener, options); + } else if (element.detachEvent) { + element.detachEvent('on' + type, listener); + } +} + +/** + * Add event listener to the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Function} listener - The event listener. + * @param {Object} options - The event options. + */ +function addListener(element, type, _listener) { + var options = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {}; + + if (!isFunction(_listener)) { + return; + } + + var types = type.trim().split(REGEXP_SPACES); + + if (types.length > 1) { + each(types, function (t) { + addListener(element, t, _listener, options); + }); + return; + } + + if (options.once) { + var originalListener = _listener; + + _listener = function listener() { + for (var _len4 = arguments.length, args = Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { + args[_key4] = arguments[_key4]; + } + + removeListener(element, type, _listener, options); + return originalListener.apply(element, args); + }; + } + + if (element.addEventListener) { + element.addEventListener(type, _listener, options); + } else if (element.attachEvent) { + element.attachEvent('on' + type, _listener); + } +} + +/** + * Dispatch event on the target element. + * @param {Element} element - The event target. + * @param {string} type - The event type(s). + * @param {Object} data - The additional event data. + * @returns {boolean} Indicate if the event is default prevented or not. + */ +function dispatchEvent(element, type, data) { + if (element.dispatchEvent) { + var event = void 0; + + // Event and CustomEvent on IE9-11 are global objects, not constructors + if (isFunction(Event) && isFunction(CustomEvent)) { + if (isUndefined(data)) { + event = new Event(type, { + bubbles: true, + cancelable: true + }); + } else { + event = new CustomEvent(type, { + detail: data, + bubbles: true, + cancelable: true + }); + } + } else if (isUndefined(data)) { + event = document.createEvent('Event'); + event.initEvent(type, true, true); + } else { + event = document.createEvent('CustomEvent'); + event.initCustomEvent(type, true, true, data); + } + + // IE9+ + return element.dispatchEvent(event); + } else if (element.fireEvent) { + // IE6-10 (native events only) + return element.fireEvent('on' + type); + } + + return true; +} + +/** + * Get the offset base on the document. + * @param {Element} element - The target element. + * @returns {Object} The offset data. + */ +function getOffset(element) { + var doc = document.documentElement; + var box = element.getBoundingClientRect(); + + return { + left: box.left + ((window.scrollX || doc && doc.scrollLeft || 0) - (doc && doc.clientLeft || 0)), + top: box.top + ((window.scrollY || doc && doc.scrollTop || 0) - (doc && doc.clientTop || 0)) + }; +} + +/** + * Empty an element. + * @param {Element} element - The element to empty. + */ +function empty(element) { + while (element.firstChild) { + element.removeChild(element.firstChild); + } +} + +var location = WINDOW.location; + +var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\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); +} + +/** + * 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(); + + 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)'); + } + + if (isNumber(translateY) && translateY !== 0) { + values.push('translateY(' + translateY + 'px)'); + } + + // Rotate should come first before scale to match orientation transform + if (isNumber(rotate) && rotate !== 0) { + values.push('rotate(' + rotate + 'deg)'); + } + + if (isNumber(scaleX) && scaleX !== 1) { + values.push('scaleX(' + scaleX + ')'); + } + + if (isNumber(scaleY) && scaleY !== 1) { + values.push('scaleY(' + 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 = []; + + each(pointers, function (pointer, pointerId) { + delete pointers2[pointerId]; + + each(pointers2, function (pointer2) { + var x1 = Math.abs(pointer.startX - pointer2.startX); + var y1 = Math.abs(pointer.startY - pointer2.startY); + var x2 = Math.abs(pointer.endX - pointer2.endX); + var y2 = Math.abs(pointer.endY - pointer2.endY); + var z1 = Math.sqrt(x1 * x1 + y1 * y1); + var z2 = Math.sqrt(x2 * x2 + y2 * y2); + var ratio = (z2 - z1) / z1; + + ratios.push(ratio); + }); + }); + + 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({ + startX: pageX, + startY: pageY + }, end); +} + +/** + * Get the center point coordinate of a group of pointers. + * @param {Object} pointers - The target pointers. + * @returns {Object} The center point coordinate. + */ +function getPointersCenter(pointers) { + var pageX = 0; + var pageY = 0; + var count = 0; + + each(pointers, function (_ref3) { + var startX = _ref3.startX, + startY = _ref3.startY; + + pageX += startX; + pageY += startY; + count += 1; + }); + + pageX /= count; + pageY /= count; + + return { + pageX: pageX, + pageY: pageY + }; +} + +/** + * Check if the given value is a finite number. + */ +var isFinite = Number.isFinite || WINDOW.isFinite; + +/** + * Get the max sizes in a rectangle under the given aspect ratio. + * @param {Object} data - The original sizes. + * @returns {Object} The result sizes. + */ +function getContainSizes(_ref4) { + var aspectRatio = _ref4.aspectRatio, + height = _ref4.height, + width = _ref4.width; + + var isValidNumber = function isValidNumber(value) { + return isFinite(value) && value > 0; + }; + + if (isValidNumber(width) && isValidNumber(height)) { + if (height * aspectRatio > width) { + height = width / aspectRatio; + } else { + width = height * aspectRatio; + } + } else if (isValidNumber(width)) { + height = width / aspectRatio; + } else if (isValidNumber(height)) { + width = height * aspectRatio; + } + + return { + width: width, + height: height + }; +} + +/** + * Get the new sizes of a rectangle after rotated. + * @param {Object} data - The original sizes. + * @returns {Object} The result sizes. + */ +function getRotatedSizes(_ref5) { + var width = _ref5.width, + height = _ref5.height, + degree = _ref5.degree; + + degree = Math.abs(degree) % 180; + + if (degree === 90) { + return { + width: height, + height: width + }; + } + + var arc = degree % 90 * Math.PI / 180; + var sinArc = Math.sin(arc); + var cosArc = Math.cos(arc); + var newWidth = width * cosArc + height * sinArc; + var newHeight = width * sinArc + height * cosArc; + + return degree > 90 ? { + width: newHeight, + height: newWidth + } : { + width: newWidth, + height: newHeight + }; +} + +/** + * Get a canvas which drew the given image. + * @param {HTMLImageElement} image - The image for drawing. + * @param {Object} imageData - The image data. + * @param {Object} canvasData - The canvas data. + * @param {Object} options - The options. + * @returns {HTMLCanvasElement} The result canvas. + */ +function getSourceCanvas(image, _ref6, _ref7, _ref8) { + var imageNaturalWidth = _ref6.naturalWidth, + imageNaturalHeight = _ref6.naturalHeight, + _ref6$rotate = _ref6.rotate, + rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate, + _ref6$scaleX = _ref6.scaleX, + scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX, + _ref6$scaleY = _ref6.scaleY, + scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY; + var aspectRatio = _ref7.aspectRatio, + naturalWidth = _ref7.naturalWidth, + naturalHeight = _ref7.naturalHeight; + var _ref8$fillColor = _ref8.fillColor, + fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor, + _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled, + imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE, + _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality, + imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ, + _ref8$maxWidth = _ref8.maxWidth, + maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth, + _ref8$maxHeight = _ref8.maxHeight, + maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight, + _ref8$minWidth = _ref8.minWidth, + minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth, + _ref8$minHeight = _ref8.minHeight, + minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight; + + var canvas = document.createElement('canvas'); + var context = canvas.getContext('2d'); + var maxSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: maxWidth, + height: maxHeight + }); + var minSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: minWidth, + height: minHeight + }); + var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth)); + var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); + var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight]; + + canvas.width = normalizeDecimalNumber(width); + canvas.height = normalizeDecimalNumber(height); + context.fillStyle = fillColor; + context.fillRect(0, 0, width, height); + context.save(); + context.translate(width / 2, height / 2); + context.rotate(rotate * Math.PI / 180); + context.scale(scaleX, scaleY); + context.imageSmoothingEnabled = imageSmoothingEnabled; + context.imageSmoothingQuality = imageSmoothingQuality; + context.drawImage.apply(context, [image].concat(toConsumableArray(params.map(function (param) { + return Math.floor(normalizeDecimalNumber(param)); + })))); + context.restore(); + return canvas; +} + +var fromCharCode = String.fromCharCode; + +/** + * Get string from char code in data view. + * @param {DataView} dataView - The data view for read. + * @param {number} start - The start index. + * @param {number} length - The read length. + * @returns {string} The read result. + */ + +function getStringFromCharCode(dataView, start, length) { + var str = ''; + var i = void 0; + + length += start; + + for (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) { + uint8[i] = binary.charCodeAt(i); + }); + + return arrayBuffer; +} + +/** + * Transform array buffer to Data URL. + * @param {ArrayBuffer} arrayBuffer - The array buffer to transform. + * @param {string} mimeType - The mime type of the Data URL. + * @returns {string} The result Data URL. + */ +function arrayBufferToDataURL(arrayBuffer, mimeType) { + var uint8 = new Uint8Array(arrayBuffer); + var data = ''; + + // TypedArray.prototype.forEach is not supported in some browsers. + each(uint8, function (value) { + data += fromCharCode(value); + }); + + return 'data:' + mimeType + ';base64,' + btoa(data); +} + +/** + * Get orientation value from given array buffer. + * @param {ArrayBuffer} arrayBuffer - The array buffer to read. + * @returns {number} The read orientation value. + */ +function getOrientation(arrayBuffer) { + var dataView = new DataView(arrayBuffer); + var orientation = void 0; + var littleEndian = void 0; + var app1Start = void 0; + var ifdStart = void 0; + + // Only handle JPEG image (start by 0xFFD8) + if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) { + var length = dataView.byteLength; + var offset = 2; + + while (offset < length) { + if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) { + app1Start = offset; + break; + } + + offset += 1; + } + } + + if (app1Start) { + var exifIDCode = app1Start + 4; + var tiffOffset = app1Start + 10; + + 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 (firstIFDOffset >= 0x00000008) { + ifdStart = tiffOffset + firstIFDOffset; + } + } + } + } + } + + if (ifdStart) { + var _length = dataView.getUint16(ifdStart, littleEndian); + var _offset = void 0; + var i = void 0; + + for (i = 0; i < _length; i += 1) { + _offset = ifdStart + i * 12 + 2; + + if (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; + } + } + } + + return orientation; +} + +/** + * Parse Exif Orientation value. + * @param {number} orientation - The orientation to parse. + * @returns {Object} The parsed result. + */ +function parseOrientation(orientation) { + var rotate = 0; + var scaleX = 1; + var scaleY = 1; + + switch (orientation) { + // Flip horizontal + case 2: + scaleX = -1; + break; + + // Rotate left 180° + case 3: + rotate = -180; + break; + + // Flip vertical + case 4: + scaleY = -1; + break; + + // Flip vertical and rotate right 90° + case 5: + rotate = 90; + scaleY = -1; + break; + + // Rotate right 90° + case 6: + rotate = 90; + break; + + // Flip horizontal and rotate right 90° + case 7: + rotate = 90; + scaleX = -1; + break; + + // Rotate left 90° + case 8: + rotate = -90; + break; + + default: + } + + return { + rotate: rotate, + scaleX: scaleX, + scaleY: scaleY + }; +} + +var render = { + render: function render() { + this.initContainer(); + this.initCanvas(); + this.initCropBox(); + this.renderCanvas(); + + if (this.cropped) { + this.renderCropBox(); + } + }, + initContainer: function initContainer() { + var element = this.element, + options = this.options, + container = this.container, + cropper = this.cropper; + + + addClass(cropper, CLASS_HIDDEN); + removeClass(element, CLASS_HIDDEN); + + var containerData = { + width: Math.max(container.offsetWidth, Number(options.minContainerWidth) || 200), + height: Math.max(container.offsetHeight, Number(options.minContainerHeight) || 100) + }; + + this.containerData = containerData; + + setStyle(cropper, { + width: containerData.width, + height: containerData.height + }); + + addClass(element, CLASS_HIDDEN); + removeClass(cropper, CLASS_HIDDEN); + }, + + + // Canvas (image wrapper) + initCanvas: function initCanvas() { + var containerData = this.containerData, + imageData = this.imageData; + var viewMode = this.options.viewMode; + + var rotated = Math.abs(imageData.rotate) % 180 === 90; + var naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth; + var naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight; + var aspectRatio = naturalWidth / naturalHeight; + var canvasWidth = containerData.width; + var canvasHeight = containerData.height; + + if (containerData.height * aspectRatio > containerData.width) { + if (viewMode === 3) { + canvasWidth = containerData.height * aspectRatio; + } else { + canvasHeight = containerData.width / aspectRatio; + } + } else if (viewMode === 3) { + canvasHeight = containerData.width / aspectRatio; + } else { + canvasWidth = containerData.height * aspectRatio; + } + + var canvasData = { + aspectRatio: aspectRatio, + naturalWidth: naturalWidth, + naturalHeight: naturalHeight, + width: canvasWidth, + height: canvasHeight + }; + + canvasData.left = (containerData.width - canvasWidth) / 2; + canvasData.top = (containerData.height - canvasHeight) / 2; + canvasData.oldLeft = canvasData.left; + canvasData.oldTop = canvasData.top; + + this.canvasData = canvasData; + this.limited = viewMode === 1 || viewMode === 2; + this.limitCanvas(true, true); + this.initialImageData = extend({}, imageData); + this.initialCanvasData = extend({}, canvasData); + }, + limitCanvas: function limitCanvas(sizeLimited, positionLimited) { + var options = this.options, + containerData = this.containerData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + var viewMode = options.viewMode; + var aspectRatio = canvasData.aspectRatio; + + var cropped = this.cropped && cropBoxData; + + if (sizeLimited) { + var minCanvasWidth = Number(options.minCanvasWidth) || 0; + var minCanvasHeight = Number(options.minCanvasHeight) || 0; + + if (viewMode > 1) { + minCanvasWidth = Math.max(minCanvasWidth, containerData.width); + minCanvasHeight = Math.max(minCanvasHeight, containerData.height); + + if (viewMode === 3) { + if (minCanvasHeight * aspectRatio > minCanvasWidth) { + minCanvasWidth = minCanvasHeight * aspectRatio; + } else { + minCanvasHeight = minCanvasWidth / aspectRatio; + } + } + } else if (viewMode > 0) { + if (minCanvasWidth) { + minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0); + } else if (minCanvasHeight) { + minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0); + } else if (cropped) { + minCanvasWidth = cropBoxData.width; + minCanvasHeight = cropBoxData.height; + + if (minCanvasHeight * aspectRatio > minCanvasWidth) { + minCanvasWidth = minCanvasHeight * aspectRatio; + } else { + minCanvasHeight = minCanvasWidth / aspectRatio; + } + } + } + + var _getContainSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: minCanvasWidth, + height: minCanvasHeight + }); + + minCanvasWidth = _getContainSizes.width; + minCanvasHeight = _getContainSizes.height; + + + canvasData.minWidth = minCanvasWidth; + canvasData.minHeight = minCanvasHeight; + canvasData.maxWidth = Infinity; + canvasData.maxHeight = Infinity; + } + + if (positionLimited) { + if (viewMode) { + var newCanvasLeft = containerData.width - canvasData.width; + var newCanvasTop = containerData.height - canvasData.height; + + canvasData.minLeft = Math.min(0, newCanvasLeft); + canvasData.minTop = Math.min(0, newCanvasTop); + canvasData.maxLeft = Math.max(0, newCanvasLeft); + canvasData.maxTop = Math.max(0, newCanvasTop); + + if (cropped && this.limited) { + canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width)); + canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height)); + canvasData.maxLeft = cropBoxData.left; + canvasData.maxTop = cropBoxData.top; + + if (viewMode === 2) { + if (canvasData.width >= containerData.width) { + canvasData.minLeft = Math.min(0, newCanvasLeft); + canvasData.maxLeft = Math.max(0, newCanvasLeft); + } + + if (canvasData.height >= containerData.height) { + canvasData.minTop = Math.min(0, newCanvasTop); + canvasData.maxTop = Math.max(0, newCanvasTop); + } + } + } + } else { + canvasData.minLeft = -canvasData.width; + canvasData.minTop = -canvasData.height; + canvasData.maxLeft = containerData.width; + canvasData.maxTop = containerData.height; + } + } + }, + renderCanvas: function renderCanvas(changed, transformed) { + var canvasData = this.canvasData, + imageData = this.imageData; + + + if (transformed) { + var _getRotatedSizes = getRotatedSizes({ + width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1), + height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1), + degree: imageData.rotate || 0 + }), + naturalWidth = _getRotatedSizes.width, + naturalHeight = _getRotatedSizes.height; + + var width = canvasData.width * (naturalWidth / canvasData.naturalWidth); + var height = canvasData.height * (naturalHeight / canvasData.naturalHeight); + + canvasData.left -= (width - canvasData.width) / 2; + canvasData.top -= (height - canvasData.height) / 2; + canvasData.width = width; + canvasData.height = height; + canvasData.aspectRatio = naturalWidth / naturalHeight; + canvasData.naturalWidth = naturalWidth; + canvasData.naturalHeight = naturalHeight; + this.limitCanvas(true, false); + } + + if (canvasData.width > canvasData.maxWidth || canvasData.width < canvasData.minWidth) { + canvasData.left = canvasData.oldLeft; + } + + if (canvasData.height > canvasData.maxHeight || canvasData.height < canvasData.minHeight) { + canvasData.top = canvasData.oldTop; + } + + canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth); + canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight); + + this.limitCanvas(false, true); + + canvasData.left = Math.min(Math.max(canvasData.left, canvasData.minLeft), canvasData.maxLeft); + canvasData.top = Math.min(Math.max(canvasData.top, canvasData.minTop), canvasData.maxTop); + canvasData.oldLeft = canvasData.left; + canvasData.oldTop = canvasData.top; + + setStyle(this.canvas, extend({ + width: canvasData.width, + height: canvasData.height + }, getTransforms({ + translateX: canvasData.left, + translateY: canvasData.top + }))); + + this.renderImage(changed); + + if (this.cropped && this.limited) { + this.limitCropBox(true, true); + } + }, + renderImage: function renderImage(changed) { + var canvasData = this.canvasData, + imageData = this.imageData; + + var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth); + var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight); + + extend(imageData, { + width: width, + height: height, + left: (canvasData.width - width) / 2, + top: (canvasData.height - height) / 2 + }); + setStyle(this.image, extend({ + width: imageData.width, + height: imageData.height + }, getTransforms(extend({ + translateX: imageData.left, + translateY: imageData.top + }, imageData)))); + + if (changed) { + this.output(); + } + }, + initCropBox: function initCropBox() { + var options = this.options, + canvasData = this.canvasData; + var aspectRatio = options.aspectRatio; + + var autoCropArea = Number(options.autoCropArea) || 0.8; + var cropBoxData = { + width: canvasData.width, + height: canvasData.height + }; + + if (aspectRatio) { + if (canvasData.height * aspectRatio > canvasData.width) { + cropBoxData.height = cropBoxData.width / aspectRatio; + } else { + cropBoxData.width = cropBoxData.height * aspectRatio; + } + } + + this.cropBoxData = cropBoxData; + this.limitCropBox(true, true); + + // Initialize auto crop area + cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth); + cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); + + // The width/height of auto crop area must large than "minWidth/Height" + cropBoxData.width = Math.max(cropBoxData.minWidth, cropBoxData.width * autoCropArea); + cropBoxData.height = Math.max(cropBoxData.minHeight, cropBoxData.height * autoCropArea); + cropBoxData.left = canvasData.left + (canvasData.width - cropBoxData.width) / 2; + cropBoxData.top = canvasData.top + (canvasData.height - cropBoxData.height) / 2; + cropBoxData.oldLeft = cropBoxData.left; + cropBoxData.oldTop = cropBoxData.top; + + this.initialCropBoxData = extend({}, cropBoxData); + }, + limitCropBox: function limitCropBox(sizeLimited, positionLimited) { + var options = this.options, + containerData = this.containerData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData, + limited = this.limited; + var aspectRatio = options.aspectRatio; + + + if (sizeLimited) { + var minCropBoxWidth = Number(options.minCropBoxWidth) || 0; + var minCropBoxHeight = Number(options.minCropBoxHeight) || 0; + var maxCropBoxWidth = Math.min(containerData.width, limited ? canvasData.width : containerData.width); + var maxCropBoxHeight = Math.min(containerData.height, limited ? canvasData.height : containerData.height); + + // The min/maxCropBoxWidth/Height must be less than container's width/height + minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width); + minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height); + + if (aspectRatio) { + if (minCropBoxWidth && minCropBoxHeight) { + if (minCropBoxHeight * aspectRatio > minCropBoxWidth) { + minCropBoxHeight = minCropBoxWidth / aspectRatio; + } else { + minCropBoxWidth = minCropBoxHeight * aspectRatio; + } + } else if (minCropBoxWidth) { + minCropBoxHeight = minCropBoxWidth / aspectRatio; + } else if (minCropBoxHeight) { + minCropBoxWidth = minCropBoxHeight * aspectRatio; + } + + if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) { + maxCropBoxHeight = maxCropBoxWidth / aspectRatio; + } else { + maxCropBoxWidth = maxCropBoxHeight * aspectRatio; + } + } + + // The minWidth/Height must be less than maxWidth/Height + cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth); + cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight); + cropBoxData.maxWidth = maxCropBoxWidth; + cropBoxData.maxHeight = maxCropBoxHeight; + } + + if (positionLimited) { + if (limited) { + cropBoxData.minLeft = Math.max(0, canvasData.left); + cropBoxData.minTop = Math.max(0, canvasData.top); + cropBoxData.maxLeft = Math.min(containerData.width, canvasData.left + canvasData.width) - cropBoxData.width; + cropBoxData.maxTop = Math.min(containerData.height, canvasData.top + canvasData.height) - cropBoxData.height; + } else { + cropBoxData.minLeft = 0; + cropBoxData.minTop = 0; + cropBoxData.maxLeft = containerData.width - cropBoxData.width; + cropBoxData.maxTop = containerData.height - cropBoxData.height; + } + } + }, + renderCropBox: function renderCropBox() { + var options = this.options, + containerData = this.containerData, + cropBoxData = this.cropBoxData; + + + if (cropBoxData.width > cropBoxData.maxWidth || cropBoxData.width < cropBoxData.minWidth) { + cropBoxData.left = cropBoxData.oldLeft; + } + + if (cropBoxData.height > cropBoxData.maxHeight || cropBoxData.height < cropBoxData.minHeight) { + cropBoxData.top = cropBoxData.oldTop; + } + + cropBoxData.width = Math.min(Math.max(cropBoxData.width, cropBoxData.minWidth), cropBoxData.maxWidth); + cropBoxData.height = Math.min(Math.max(cropBoxData.height, cropBoxData.minHeight), cropBoxData.maxHeight); + + this.limitCropBox(false, true); + + cropBoxData.left = Math.min(Math.max(cropBoxData.left, cropBoxData.minLeft), cropBoxData.maxLeft); + cropBoxData.top = Math.min(Math.max(cropBoxData.top, cropBoxData.minTop), cropBoxData.maxTop); + cropBoxData.oldLeft = cropBoxData.left; + cropBoxData.oldTop = cropBoxData.top; + + if (options.movable && options.cropBoxMovable) { + // Turn to move the canvas when the crop box is equal to the container + setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width && cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL); + } + + setStyle(this.cropBox, extend({ + width: cropBoxData.width, + height: cropBoxData.height + }, getTransforms({ + translateX: cropBoxData.left, + translateY: cropBoxData.top + }))); + + if (this.cropped && this.limited) { + this.limitCanvas(true, true); + } + + if (!this.disabled) { + this.output(); + } + }, + output: function output() { + this.preview(); + + if (this.complete) { + dispatchEvent(this.element, EVENT_CROP, this.getData()); + } + } +}; + +var preview = { + initPreview: function initPreview() { + var crossOrigin = this.crossOrigin; + var preview = this.options.preview; + + var url = crossOrigin ? this.crossOriginUrl : this.url; + var image = document.createElement('img'); + + if (crossOrigin) { + image.crossOrigin = crossOrigin; + } + + image.src = url; + this.viewBox.appendChild(image); + this.image2 = image; + + if (!preview) { + return; + } + + var previews = preview.querySelector ? [preview] : document.querySelectorAll(preview); + + this.previews = previews; + + each(previews, function (element) { + var img = document.createElement('img'); + + // Save the original size for recover + setData(element, DATA_PREVIEW, { + width: element.offsetWidth, + height: element.offsetHeight, + html: element.innerHTML + }); + + if (crossOrigin) { + img.crossOrigin = crossOrigin; + } + + img.src = url; + + /** + * Override img element styles + * Add `display:block` to avoid margin top issue + * Add `height:auto` to override `height` attribute on IE8 + * (Occur only when margin-top <= -height) + */ + img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"'; + + empty(element); + element.appendChild(img); + }); + }, + resetPreview: function resetPreview() { + each(this.previews, function (element) { + var data = getData(element, DATA_PREVIEW); + + setStyle(element, { + width: data.width, + height: data.height + }); + + element.innerHTML = data.html; + removeData(element, DATA_PREVIEW); + }); + }, + preview: function preview() { + var imageData = this.imageData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + var cropBoxWidth = cropBoxData.width, + cropBoxHeight = cropBoxData.height; + var width = imageData.width, + height = imageData.height; + + var left = cropBoxData.left - canvasData.left - imageData.left; + var top = cropBoxData.top - canvasData.top - imageData.top; + + if (!this.cropped || this.disabled) { + return; + } + + setStyle(this.image2, extend({ + width: width, + height: height + }, getTransforms(extend({ + translateX: -left, + translateY: -top + }, imageData)))); + + each(this.previews, function (element) { + var data = getData(element, DATA_PREVIEW); + var originalWidth = data.width; + var originalHeight = data.height; + var newWidth = originalWidth; + var newHeight = originalHeight; + var ratio = 1; + + if (cropBoxWidth) { + ratio = originalWidth / cropBoxWidth; + newHeight = cropBoxHeight * ratio; + } + + if (cropBoxHeight && newHeight > originalHeight) { + ratio = originalHeight / cropBoxHeight; + newWidth = cropBoxWidth * ratio; + newHeight = originalHeight; + } + + setStyle(element, { + width: newWidth, + height: newHeight + }); + + setStyle(element.getElementsByTagName('img')[0], extend({ + width: width * ratio, + height: height * ratio + }, getTransforms(extend({ + translateX: -left * ratio, + translateY: -top * ratio + }, imageData)))); + }); + } +}; + +var events = { + bind: function bind() { + var element = this.element, + options = this.options, + cropper = this.cropper; + + + if (isFunction(options.cropstart)) { + addListener(element, EVENT_CROP_START, options.cropstart); + } + + if (isFunction(options.cropmove)) { + addListener(element, EVENT_CROP_MOVE, options.cropmove); + } + + if (isFunction(options.cropend)) { + addListener(element, EVENT_CROP_END, options.cropend); + } + + if (isFunction(options.crop)) { + addListener(element, EVENT_CROP, options.crop); + } + + if (isFunction(options.zoom)) { + addListener(element, EVENT_ZOOM, options.zoom); + } + + addListener(cropper, EVENT_POINTER_DOWN, this.onCropStart = proxy(this.cropStart, this)); + + if (options.zoomable && options.zoomOnWheel) { + addListener(cropper, EVENT_WHEEL, this.onWheel = proxy(this.wheel, this)); + } + + if (options.toggleDragModeOnDblclick) { + addListener(cropper, EVENT_DBLCLICK, this.onDblclick = proxy(this.dblclick, 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)); + + if (options.responsive) { + addListener(window, EVENT_RESIZE, this.onResize = proxy(this.resize, this)); + } + }, + unbind: function unbind() { + var element = this.element, + options = this.options, + cropper = this.cropper; + + + if (isFunction(options.cropstart)) { + removeListener(element, EVENT_CROP_START, options.cropstart); + } + + if (isFunction(options.cropmove)) { + removeListener(element, EVENT_CROP_MOVE, options.cropmove); + } + + if (isFunction(options.cropend)) { + removeListener(element, EVENT_CROP_END, options.cropend); + } + + if (isFunction(options.crop)) { + removeListener(element, EVENT_CROP, options.crop); + } + + if (isFunction(options.zoom)) { + removeListener(element, EVENT_ZOOM, options.zoom); + } + + removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart); + + if (options.zoomable && options.zoomOnWheel) { + removeListener(cropper, EVENT_WHEEL, this.onWheel); + } + + if (options.toggleDragModeOnDblclick) { + removeListener(cropper, EVENT_DBLCLICK, this.onDblclick); + } + + removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove); + removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd); + + if (options.responsive) { + removeListener(window, EVENT_RESIZE, this.onResize); + } + } +}; + +var handlers = { + resize: function resize() { + var options = this.options, + container = this.container, + containerData = this.containerData; + + var minContainerWidth = Number(options.minContainerWidth) || 200; + var minContainerHeight = Number(options.minContainerHeight) || 100; + + if (this.disabled || containerData.width <= minContainerWidth || containerData.height <= minContainerHeight) { + return; + } + + var ratio = container.offsetWidth / containerData.width; + + // Resize when width changed or height changed + if (ratio !== 1 || container.offsetHeight !== containerData.height) { + var canvasData = void 0; + var cropBoxData = void 0; + + if (options.restore) { + canvasData = this.getCanvasData(); + cropBoxData = this.getCropBoxData(); + } + + this.render(); + + if (options.restore) { + this.setCanvasData(each(canvasData, function (n, i) { + canvasData[i] = n * ratio; + })); + this.setCropBoxData(each(cropBoxData, function (n, i) { + cropBoxData[i] = n * ratio; + })); + } + } + }, + dblclick: function dblclick() { + if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) { + return; + } + + this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP); + }, + wheel: function wheel(e) { + var _this = this; + + var ratio = Number(this.options.wheelZoomRatio) || 0.1; + var delta = 1; + + if (this.disabled) { + return; + } + + e.preventDefault(); + + // 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; + } + + this.zoom(-delta * ratio, e); + }, + cropStart: function cropStart(e) { + if (this.disabled) { + return; + } + + var options = this.options, + pointers = this.pointers; + + var action = void 0; + + if (e.changedTouches) { + // Handle touch event + each(e.changedTouches, function (touch) { + pointers[touch.identifier] = getPointer(touch); + }); + } else { + // Handle mouse event and pointer event + pointers[e.pointerId || 0] = getPointer(e); + } + + if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) { + action = ACTION_ZOOM; + } else { + action = getData(e.target, DATA_ACTION); + } + + if (!REGEXP_ACTIONS.test(action)) { + return; + } + + if (dispatchEvent(this.element, EVENT_CROP_START, { + originalEvent: e, + action: action + }) === false) { + return; + } + + e.preventDefault(); + + this.action = action; + this.cropping = false; + + if (action === ACTION_CROP) { + this.cropping = true; + addClass(this.dragBox, CLASS_MODAL); + } + }, + cropMove: function cropMove(e) { + var action = this.action; + + + if (this.disabled || !action) { + return; + } + + var pointers = this.pointers; + + + e.preventDefault(); + + if (dispatchEvent(this.element, EVENT_CROP_MOVE, { + originalEvent: e, + action: action + }) === false) { + return; + } + + if (e.changedTouches) { + each(e.changedTouches, function (touch) { + extend(pointers[touch.identifier], getPointer(touch, true)); + }); + } else { + extend(pointers[e.pointerId || 0], getPointer(e, true)); + } + + this.change(e); + }, + cropEnd: function cropEnd(e) { + if (this.disabled) { + return; + } + + var action = this.action, + pointers = this.pointers; + + + if (e.changedTouches) { + each(e.changedTouches, function (touch) { + delete pointers[touch.identifier]; + }); + } else { + delete pointers[e.pointerId || 0]; + } + + if (!action) { + return; + } + + e.preventDefault(); + + if (!Object.keys(pointers).length) { + this.action = ''; + } + + if (this.cropping) { + this.cropping = false; + toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal); + } + + dispatchEvent(this.element, EVENT_CROP_END, { + originalEvent: e, + action: action + }); + } +}; + +var change = { + change: function change(e) { + var options = this.options, + canvasData = this.canvasData, + containerData = this.containerData, + cropBoxData = this.cropBoxData, + pointers = this.pointers; + var action = this.action; + var aspectRatio = options.aspectRatio; + var left = cropBoxData.left, + top = cropBoxData.top, + width = cropBoxData.width, + height = cropBoxData.height; + + var right = left + width; + var bottom = top + height; + var minLeft = 0; + var minTop = 0; + var maxWidth = containerData.width; + var maxHeight = containerData.height; + var renderable = true; + var offset = void 0; + + // Locking aspect ratio in "free mode" by holding shift key + if (!aspectRatio && e.shiftKey) { + aspectRatio = width && height ? width / height : 1; + } + + if (this.limited) { + minLeft = cropBoxData.minLeft; + minTop = cropBoxData.minTop; + + maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width); + maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height); + } + + var pointer = pointers[Object.keys(pointers)[0]]; + var range = { + x: pointer.endX - pointer.startX, + y: pointer.endY - pointer.startY + }; + var check = function check(side) { + switch (side) { + case ACTION_EAST: + if (right + range.x > maxWidth) { + range.x = maxWidth - right; + } + + break; + + case ACTION_WEST: + if (left + range.x < minLeft) { + range.x = minLeft - left; + } + + break; + + case ACTION_NORTH: + if (top + range.y < minTop) { + range.y = minTop - top; + } + + break; + + case ACTION_SOUTH: + if (bottom + range.y > maxHeight) { + range.y = maxHeight - bottom; + } + + break; + + default: + } + }; + + switch (action) { + // Move crop box + case ACTION_ALL: + left += range.x; + top += range.y; + break; + + // Resize crop box + case ACTION_EAST: + if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) { + renderable = false; + break; + } + + check(ACTION_EAST); + width += range.x; + + if (aspectRatio) { + height = width / aspectRatio; + top -= range.x / aspectRatio / 2; + } + + if (width < 0) { + action = ACTION_WEST; + width = 0; + } + + break; + + case ACTION_NORTH: + if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) { + renderable = false; + break; + } + + check(ACTION_NORTH); + height -= range.y; + top += range.y; + + if (aspectRatio) { + width = height * aspectRatio; + left += range.y * aspectRatio / 2; + } + + if (height < 0) { + action = ACTION_SOUTH; + height = 0; + } + + break; + + case ACTION_WEST: + if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) { + renderable = false; + break; + } + + check(ACTION_WEST); + width -= range.x; + left += range.x; + + if (aspectRatio) { + height = width / aspectRatio; + top += range.x / aspectRatio / 2; + } + + if (width < 0) { + action = ACTION_EAST; + width = 0; + } + + break; + + case ACTION_SOUTH: + if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) { + renderable = false; + break; + } + + check(ACTION_SOUTH); + height += range.y; + + if (aspectRatio) { + width = height * aspectRatio; + left -= range.y * aspectRatio / 2; + } + + if (height < 0) { + action = ACTION_NORTH; + height = 0; + } + + break; + + case ACTION_NORTH_EAST: + if (aspectRatio) { + if (range.y <= 0 && (top <= minTop || right >= maxWidth)) { + renderable = false; + break; + } + + check(ACTION_NORTH); + height -= range.y; + top += range.y; + width = height * aspectRatio; + } else { + check(ACTION_NORTH); + check(ACTION_EAST); + + if (range.x >= 0) { + if (right < maxWidth) { + width += range.x; + } else if (range.y <= 0 && top <= minTop) { + renderable = false; + } + } else { + width += range.x; + } + + if (range.y <= 0) { + if (top > minTop) { + height -= range.y; + top += range.y; + } + } else { + height -= range.y; + top += range.y; + } + } + + if (width < 0 && height < 0) { + action = ACTION_SOUTH_WEST; + height = 0; + width = 0; + } else if (width < 0) { + action = ACTION_NORTH_WEST; + width = 0; + } else if (height < 0) { + action = ACTION_SOUTH_EAST; + height = 0; + } + + break; + + case ACTION_NORTH_WEST: + if (aspectRatio) { + if (range.y <= 0 && (top <= minTop || left <= minLeft)) { + renderable = false; + break; + } + + check(ACTION_NORTH); + height -= range.y; + top += range.y; + width = height * aspectRatio; + left += range.y * aspectRatio; + } else { + check(ACTION_NORTH); + check(ACTION_WEST); + + if (range.x <= 0) { + if (left > minLeft) { + width -= range.x; + left += range.x; + } else if (range.y <= 0 && top <= minTop) { + renderable = false; + } + } else { + width -= range.x; + left += range.x; + } + + if (range.y <= 0) { + if (top > minTop) { + height -= range.y; + top += range.y; + } + } else { + height -= range.y; + top += range.y; + } + } + + if (width < 0 && height < 0) { + action = ACTION_SOUTH_EAST; + height = 0; + width = 0; + } else if (width < 0) { + action = ACTION_NORTH_EAST; + width = 0; + } else if (height < 0) { + action = ACTION_SOUTH_WEST; + height = 0; + } + + break; + + case ACTION_SOUTH_WEST: + if (aspectRatio) { + if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) { + renderable = false; + break; + } + + check(ACTION_WEST); + width -= range.x; + left += range.x; + height = width / aspectRatio; + } else { + check(ACTION_SOUTH); + check(ACTION_WEST); + + if (range.x <= 0) { + if (left > minLeft) { + width -= range.x; + left += range.x; + } else if (range.y >= 0 && bottom >= maxHeight) { + renderable = false; + } + } else { + width -= range.x; + left += range.x; + } + + if (range.y >= 0) { + if (bottom < maxHeight) { + height += range.y; + } + } else { + height += range.y; + } + } + + if (width < 0 && height < 0) { + action = ACTION_NORTH_EAST; + height = 0; + width = 0; + } else if (width < 0) { + action = ACTION_SOUTH_EAST; + width = 0; + } else if (height < 0) { + action = ACTION_NORTH_WEST; + height = 0; + } + + break; + + case ACTION_SOUTH_EAST: + if (aspectRatio) { + if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) { + renderable = false; + break; + } + + check(ACTION_EAST); + width += range.x; + height = width / aspectRatio; + } else { + check(ACTION_SOUTH); + check(ACTION_EAST); + + if (range.x >= 0) { + if (right < maxWidth) { + width += range.x; + } else if (range.y >= 0 && bottom >= maxHeight) { + renderable = false; + } + } else { + width += range.x; + } + + if (range.y >= 0) { + if (bottom < maxHeight) { + height += range.y; + } + } else { + height += range.y; + } + } + + if (width < 0 && height < 0) { + action = ACTION_NORTH_WEST; + height = 0; + width = 0; + } else if (width < 0) { + action = ACTION_SOUTH_WEST; + width = 0; + } else if (height < 0) { + action = ACTION_NORTH_EAST; + height = 0; + } + + break; + + // Move canvas + case ACTION_MOVE: + this.move(range.x, range.y); + renderable = false; + break; + + // Zoom canvas + case ACTION_ZOOM: + this.zoom(getMaxZoomRatio(pointers), e); + renderable = false; + break; + + // Create crop box + case ACTION_CROP: + if (!range.x || !range.y) { + renderable = false; + break; + } + + offset = getOffset(this.cropper); + left = pointer.startX - offset.left; + top = pointer.startY - offset.top; + width = cropBoxData.minWidth; + height = cropBoxData.minHeight; + + if (range.x > 0) { + action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST; + } else if (range.x < 0) { + left -= width; + action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST; + } + + if (range.y < 0) { + top -= height; + } + + // Show the crop box if is hidden + if (!this.cropped) { + removeClass(this.cropBox, CLASS_HIDDEN); + this.cropped = true; + + if (this.limited) { + this.limitCropBox(true, true); + } + } + + break; + + default: + } + + if (renderable) { + cropBoxData.width = width; + cropBoxData.height = height; + cropBoxData.left = left; + cropBoxData.top = top; + this.action = action; + this.renderCropBox(); + } + + // Override + each(pointers, function (p) { + p.startX = p.endX; + p.startY = p.endY; + }); + } +}; + +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); + } + + 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.renderCanvas(); + + if (this.cropped) { + this.renderCropBox(); + } + } + + return this; + }, + + + // Clear the crop box + clear: function clear() { + if (this.cropped && !this.disabled) { + extend(this.cropBoxData, { + left: 0, + top: 0, + width: 0, + height: 0 + }); + + this.cropped = false; + this.renderCropBox(); + this.limitCanvas(true, true); + + // Render canvas after crop box rendered + this.renderCanvas(); + removeClass(this.dragBox, CLASS_MODAL); + addClass(this.cropBox, CLASS_HIDDEN); + } + + return this; + }, + + + /** + * Replace the image's src and rebuild the cropper + * @param {string} url - The new URL. + * @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color. + * @returns {Object} this + */ + replace: function replace(url) { + var onlyColorChanged = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false; + + if (!this.disabled && url) { + if (this.isImg) { + this.element.src = url; + } + + if (onlyColorChanged) { + this.url = url; + this.image.src = url; + + if (this.ready) { + this.image2.src = url; + + each(this.previews, function (element) { + element.getElementsByTagName('img')[0].src = url; + }); + } + } else { + if (this.isImg) { + this.replaced = true; + } + + // Clear previous data + this.options.data = null; + this.load(url); + } + } + + return this; + }, + + + // Enable (unfreeze) the cropper + enable: function enable() { + if (this.ready) { + this.disabled = false; + removeClass(this.cropper, CLASS_DISABLED); + } + + return this; + }, + + + // Disable (freeze) the cropper + disable: function disable() { + if (this.ready) { + this.disabled = true; + addClass(this.cropper, CLASS_DISABLED); + } + + return this; + }, + + + // Destroy the cropper and remove the instance from the image + destroy: function destroy() { + var element = this.element, + image = this.image; + + + if (this.loaded) { + if (this.isImg && this.replaced) { + element.src = this.originalUrl; + } + + this.unbuild(); + removeClass(element, CLASS_HIDDEN); + } else if (this.isImg) { + removeListener(element, EVENT_LOAD, this.onStart); + } else if (image) { + image.parentNode.removeChild(image); + } + + removeData(element, NAMESPACE); + + return this; + }, + + + /** + * Move the canvas with relative offsets + * @param {number} offsetX - The relative offset distance on the x-axis. + * @param {number} offsetY - The relative offset distance on the y-axis. + * @returns {Object} this + */ + move: function move(offsetX, offsetY) { + var _canvasData = this.canvasData, + left = _canvasData.left, + top = _canvasData.top; + + + return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY)); + }, + + + /** + * Move the canvas to an absolute point + * @param {number} x - The x-axis coordinate. + * @param {number} [y=x] - The y-axis coordinate. + * @returns {Object} this + */ + moveTo: function moveTo(x) { + var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x; + var canvasData = this.canvasData; + + var changed = false; + + x = Number(x); + y = Number(y); + + if (this.ready && !this.disabled && this.options.movable) { + if (isNumber(x)) { + canvasData.left = x; + changed = true; + } + + if (isNumber(y)) { + canvasData.top = y; + changed = true; + } + + if (changed) { + this.renderCanvas(true); + } + } + + return this; + }, + + + /** + * Zoom the canvas with a relative ratio + * @param {number} ratio - The target ratio. + * @param {Event} _originalEvent - The original event if any. + * @returns {Object} this + */ + zoom: function zoom(ratio, _originalEvent) { + var canvasData = this.canvasData; + + + ratio = Number(ratio); + + if (ratio < 0) { + ratio = 1 / (1 - ratio); + } else { + ratio = 1 + ratio; + } + + return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent); + }, + + + /** + * Zoom the canvas to an absolute ratio + * @param {number} ratio - The target ratio. + * @param {Object} pivot - The zoom pivot point coordinate. + * @param {Event} _originalEvent - The original event if any. + * @returns {Object} this + */ + zoomTo: function zoomTo(ratio, pivot, _originalEvent) { + var options = this.options, + canvasData = this.canvasData; + var width = canvasData.width, + height = canvasData.height, + naturalWidth = canvasData.naturalWidth, + naturalHeight = canvasData.naturalHeight; + + + ratio = Number(ratio); + + if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) { + var newWidth = naturalWidth * ratio; + var newHeight = naturalHeight * ratio; + + if (dispatchEvent(this.element, EVENT_ZOOM, { + originalEvent: _originalEvent, + oldRatio: width / naturalWidth, + ratio: newWidth / naturalWidth + }) === 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 + canvasData.left -= (newWidth - width) * ((center.pageX - offset.left - canvasData.left) / width); + canvasData.top -= (newHeight - height) * ((center.pageY - offset.top - canvasData.top) / height); + } else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) { + canvasData.left -= (newWidth - width) * ((pivot.x - canvasData.left) / width); + canvasData.top -= (newHeight - height) * ((pivot.y - canvasData.top) / height); + } else { + // Zoom from the center of the canvas + canvasData.left -= (newWidth - width) / 2; + canvasData.top -= (newHeight - height) / 2; + } + + canvasData.width = newWidth; + canvasData.height = newHeight; + this.renderCanvas(true); + } + + return this; + }, + + + /** + * Rotate the canvas with a relative degree + * @param {number} degree - The rotate degree. + * @returns {Object} this + */ + rotate: function rotate(degree) { + return this.rotateTo((this.imageData.rotate || 0) + Number(degree)); + }, + + + /** + * Rotate the canvas to an absolute degree + * @param {number} degree - The rotate degree. + * @returns {Object} this + */ + rotateTo: function rotateTo(degree) { + degree = Number(degree); + + if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) { + this.imageData.rotate = degree % 360; + this.renderCanvas(true, true); + } + + return this; + }, + + + /** + * Scale the image on the x-axis. + * @param {number} scaleX - The scale ratio on the x-axis. + * @returns {Object} this + */ + scaleX: function scaleX(_scaleX) { + var scaleY = this.imageData.scaleY; + + + 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 + */ + 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 + */ + scale: function scale(scaleX) { + var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX; + var imageData = this.imageData; + + var transformed = false; + + scaleX = Number(scaleX); + scaleY = Number(scaleY); + + if (this.ready && !this.disabled && this.options.scalable) { + if (isNumber(scaleX)) { + imageData.scaleX = scaleX; + transformed = true; + } + + if (isNumber(scaleY)) { + imageData.scaleY = scaleY; + transformed = true; + } + + if (transformed) { + this.renderCanvas(true, true); + } + } + + return this; + }, + + + /** + * Get the cropped area position and size data (base on the original image) + * @param {boolean} [rounded=false] - Indicate if round the data values or not. + * @returns {Object} The result cropped data. + */ + getData: function getData$$1() { + var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false; + var options = this.options, + imageData = this.imageData, + canvasData = this.canvasData, + cropBoxData = this.cropBoxData; + + var data = void 0; + + if (this.ready && this.cropped) { + data = { + x: cropBoxData.left - canvasData.left, + y: cropBoxData.top - canvasData.top, + width: cropBoxData.width, + height: cropBoxData.height + }; + + var ratio = imageData.width / imageData.naturalWidth; + + each(data, function (n, i) { + n /= ratio; + data[i] = rounded ? Math.round(n) : n; + }); + } else { + data = { + x: 0, + y: 0, + width: 0, + height: 0 + }; + } + + if (options.rotatable) { + data.rotate = imageData.rotate || 0; + } + + if (options.scalable) { + data.scaleX = imageData.scaleX || 1; + data.scaleY = imageData.scaleY || 1; + } + + return data; + }, + + + /** + * Set the cropped area position and size with new data + * @param {Object} data - The new data. + * @returns {Object} this + */ + setData: function setData$$1(data) { + var options = this.options, + imageData = this.imageData, + canvasData = this.canvasData; + + var cropBoxData = {}; + + if (isFunction(data)) { + data = data.call(this.element); + } + + if (this.ready && !this.disabled && isPlainObject(data)) { + var transformed = false; + + if (options.rotatable) { + if (isNumber(data.rotate) && data.rotate !== imageData.rotate) { + imageData.rotate = data.rotate; + transformed = true; + } + } + + if (options.scalable) { + if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) { + imageData.scaleX = data.scaleX; + transformed = true; + } + + if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) { + imageData.scaleY = data.scaleY; + transformed = true; + } + } + + if (transformed) { + this.renderCanvas(true, true); + } + + var ratio = imageData.width / imageData.naturalWidth; + + if (isNumber(data.x)) { + cropBoxData.left = data.x * ratio + canvasData.left; + } + + if (isNumber(data.y)) { + cropBoxData.top = data.y * ratio + canvasData.top; + } + + if (isNumber(data.width)) { + cropBoxData.width = data.width * ratio; + } + + if (isNumber(data.height)) { + cropBoxData.height = data.height * ratio; + } + + this.setCropBoxData(cropBoxData); + } + + return this; + }, + + + /** + * Get the container size data. + * @returns {Object} The result container data. + */ + getContainerData: function getContainerData() { + return this.ready ? extend({}, this.containerData) : {}; + }, + + + /** + * Get the image position and size data. + * @returns {Object} The result image data. + */ + getImageData: function getImageData() { + return this.loaded ? extend({}, 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) { + data[n] = canvasData[n]; + }); + } + + return data; + }, + + + /** + * Set the canvas position and size with new data. + * @param {Object} data - The new canvas data. + * @returns {Object} this + */ + setCanvasData: function setCanvasData(data) { + var canvasData = this.canvasData; + var aspectRatio = canvasData.aspectRatio; + + + if (isFunction(data)) { + data = data.call(this.element); + } + + if (this.ready && !this.disabled && isPlainObject(data)) { + if (isNumber(data.left)) { + canvasData.left = data.left; + } + + if (isNumber(data.top)) { + canvasData.top = data.top; + } + + if (isNumber(data.width)) { + canvasData.width = data.width; + canvasData.height = data.width / aspectRatio; + } else if (isNumber(data.height)) { + canvasData.height = data.height; + canvasData.width = data.height * aspectRatio; + } + + this.renderCanvas(true); + } + + 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; + + if (this.ready && this.cropped) { + data = { + left: cropBoxData.left, + top: cropBoxData.top, + width: cropBoxData.width, + height: cropBoxData.height + }; + } + + return data || {}; + }, + + + /** + * Set the crop box position and size with new data. + * @param {Object} data - The new crop box data. + * @returns {Object} this + */ + setCropBoxData: function setCropBoxData(data) { + var cropBoxData = this.cropBoxData; + var aspectRatio = this.options.aspectRatio; + + var widthChanged = void 0; + var heightChanged = void 0; + + if (isFunction(data)) { + data = data.call(this.element); + } + + if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) { + if (isNumber(data.left)) { + cropBoxData.left = data.left; + } + + if (isNumber(data.top)) { + cropBoxData.top = data.top; + } + + if (isNumber(data.width) && data.width !== cropBoxData.width) { + widthChanged = true; + cropBoxData.width = data.width; + } + + if (isNumber(data.height) && data.height !== cropBoxData.height) { + heightChanged = true; + cropBoxData.height = data.height; + } + + if (aspectRatio) { + if (widthChanged) { + cropBoxData.height = cropBoxData.width / aspectRatio; + } else if (heightChanged) { + cropBoxData.width = cropBoxData.height * aspectRatio; + } + } + + this.renderCropBox(); + } + + return this; + }, + + + /** + * Get a canvas drawn the cropped image. + * @param {Object} [options={}] - The config options. + * @returns {HTMLCanvasElement} - The result canvas. + */ + getCroppedCanvas: function getCroppedCanvas() { + var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {}; + + if (!this.ready || !window.HTMLCanvasElement) { + return null; + } + + var canvasData = this.canvasData; + + var source = getSourceCanvas(this.image, this.imageData, canvasData, options); + + // Returns the source canvas if it is not cropped. + if (!this.cropped) { + return source; + } + + var _getData = this.getData(), + x = _getData.x, + y = _getData.y, + initialWidth = _getData.width, + initialHeight = _getData.height; + + var aspectRatio = initialWidth / initialHeight; + var maxSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: options.maxWidth || Infinity, + height: options.maxHeight || Infinity + }); + var minSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: options.minWidth || 0, + height: options.minHeight || 0 + }); + + var _getContainSizes = getContainSizes({ + aspectRatio: aspectRatio, + width: options.width || initialWidth, + height: options.height || initialHeight + }), + width = _getContainSizes.width, + height = _getContainSizes.height; + + width = Math.min(maxSizes.width, Math.max(minSizes.width, width)); + height = Math.min(maxSizes.height, Math.max(minSizes.height, height)); + + var canvas = document.createElement('canvas'); + var context = canvas.getContext('2d'); + + canvas.width = normalizeDecimalNumber(width); + canvas.height = normalizeDecimalNumber(height); + + context.fillStyle = options.fillColor || 'transparent'; + context.fillRect(0, 0, width, height); + + var _options$imageSmoothi = options.imageSmoothingEnabled, + imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi, + imageSmoothingQuality = options.imageSmoothingQuality; + + + context.imageSmoothingEnabled = imageSmoothingEnabled; + + if (imageSmoothingQuality) { + context.imageSmoothingQuality = imageSmoothingQuality; + } + + // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage + var sourceWidth = source.width; + var sourceHeight = source.height; + + // Source canvas parameters + var srcX = x; + var srcY = y; + var srcWidth = void 0; + var srcHeight = void 0; + + // Destination canvas parameters + var dstX = void 0; + var dstY = void 0; + var dstWidth = void 0; + var dstHeight = void 0; + + if (srcX <= -initialWidth || srcX > sourceWidth) { + srcX = 0; + srcWidth = 0; + dstX = 0; + dstWidth = 0; + } else if (srcX <= 0) { + dstX = -srcX; + srcX = 0; + srcWidth = Math.min(sourceWidth, initialWidth + srcX); + dstWidth = srcWidth; + } else if (srcX <= sourceWidth) { + dstX = 0; + srcWidth = Math.min(initialWidth, sourceWidth - srcX); + dstWidth = srcWidth; + } + + if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) { + srcY = 0; + srcHeight = 0; + dstY = 0; + dstHeight = 0; + } else if (srcY <= 0) { + dstY = -srcY; + srcY = 0; + srcHeight = Math.min(sourceHeight, initialHeight + srcY); + dstHeight = srcHeight; + } else if (srcY <= sourceHeight) { + dstY = 0; + srcHeight = Math.min(initialHeight, sourceHeight - srcY); + dstHeight = srcHeight; + } + + // All the numerical parameters should be integer for `drawImage` + // https://github.com/fengyuanchen/cropper/issues/476 + var params = [srcX, srcY, srcWidth, srcHeight]; + + // Avoid "IndexSizeError" + if (dstWidth > 0 && dstHeight > 0) { + var scale = width / initialWidth; + + params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale); + } + + 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 + */ + setAspectRatio: function setAspectRatio(aspectRatio) { + var options = this.options; + + + if (!this.disabled && !isUndefined(aspectRatio)) { + // 0 -> NaN + options.aspectRatio = Math.max(0, aspectRatio) || NaN; + + if (this.ready) { + this.initCropBox(); + + if (this.cropped) { + this.renderCropBox(); + } + } + } + + return this; + }, + + + /** + * Change the drag mode. + * @param {string} mode - The new drag mode. + * @returns {Object} this + */ + setDragMode: function setDragMode(mode) { + var options = this.options, + dragBox = this.dragBox, + face = this.face; + + + if (this.loaded && !this.disabled) { + var croppable = mode === DRAG_MODE_CROP; + var movable = options.movable && mode === DRAG_MODE_MOVE; + + mode = croppable || movable ? mode : DRAG_MODE_NONE; + + setData(dragBox, DATA_ACTION, mode); + toggleClass(dragBox, CLASS_CROP, croppable); + toggleClass(dragBox, CLASS_MOVE, movable); + + if (!options.cropBoxMovable) { + // Sync drag mode to crop box when it is not movable + setData(face, DATA_ACTION, mode); + toggleClass(face, CLASS_CROP, croppable); + toggleClass(face, CLASS_MOVE, movable); + } + } + + return this; + } +}; + +var AnotherCropper = WINDOW.Cropper; + +var Cropper = function () { + /** + * Create a new Cropper. + * @param {Element} element - The target element for cropping. + * @param {Object} [options={}] - The configuration options. + */ + function Cropper(element) { + var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; + classCallCheck(this, Cropper); + + if (!element || !REGEXP_TAG_NAME.test(element.tagName)) { + throw new Error('The first argument is required and must be an <img> or <canvas> element.'); + } + + this.element = element; + this.options = extend({}, DEFAULTS, isPlainObject(options) && options); + this.complete = false; + this.cropped = false; + this.disabled = false; + this.isImg = false; + this.limited = false; + this.loaded = false; + this.ready = false; + this.replaced = false; + this.wheeling = false; + this.originalUrl = ''; + this.canvasData = null; + this.cropBoxData = null; + this.previews = null; + this.pointers = {}; + this.init(); + } + + createClass(Cropper, [{ + key: 'init', + value: function init() { + var element = this.element; + + var tagName = element.tagName.toLowerCase(); + var url = void 0; + + if (getData(element, NAMESPACE)) { + return; + } + + setData(element, NAMESPACE, this); + + if (tagName === 'img') { + this.isImg = true; + + // e.g.: "img/picture.jpg" + url = element.getAttribute('src') || ''; + this.originalUrl = url; + + // Stop when it's a blank image + if (!url) { + return; + } + + // e.g.: "http://example.com/img/picture.jpg" + url = element.src; + } else if (tagName === 'canvas' && window.HTMLCanvasElement) { + url = element.toDataURL(); + } + + this.load(url); + } + }, { + key: 'load', + value: function load(url) { + var _this = this; + + if (!url) { + return; + } + + this.url = url; + this.imageData = {}; + + var element = this.element, + options = this.options; + + + if (!options.checkOrientation || !window.ArrayBuffer) { + this.clone(); + return; + } + + // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari + if (REGEXP_DATA_URL.test(url)) { + if (REGEXP_DATA_URL_JPEG.test(url)) { + this.read(dataURLToArrayBuffer(url)); + } else { + this.clone(); + } + + return; + } + + var xhr = new XMLHttpRequest(); + + xhr.onerror = function () { + _this.clone(); + }; + + xhr.onload = function () { + _this.read(xhr.response); + }; + + if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) { + url = addTimestamp(url); + } + + xhr.open('get', url); + xhr.responseType = 'arraybuffer'; + xhr.withCredentials = element.crossOrigin === 'use-credentials'; + xhr.send(); + } + }, { + key: 'read', + value: function read(arrayBuffer) { + var options = this.options, + imageData = this.imageData; + + var orientation = getOrientation(arrayBuffer); + var rotate = 0; + var scaleX = 1; + var scaleY = 1; + + if (orientation > 1) { + this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg'); + + var _parseOrientation = parseOrientation(orientation); + + rotate = _parseOrientation.rotate; + scaleX = _parseOrientation.scaleX; + scaleY = _parseOrientation.scaleY; + } + + if (options.rotatable) { + imageData.rotate = rotate; + } + + if (options.scalable) { + imageData.scaleX = scaleX; + imageData.scaleY = scaleY; + } + + this.clone(); + } + }, { + key: 'clone', + value: function clone() { + var element = this.element, + url = this.url; + + var crossOrigin = void 0; + var crossOriginUrl = void 0; + + if (this.options.checkCrossOrigin && isCrossOriginURL(url)) { + crossOrigin = element.crossOrigin; + + + if (crossOrigin) { + crossOriginUrl = url; + } else { + crossOrigin = 'anonymous'; + + // Bust cache when there is not a "crossOrigin" property + crossOriginUrl = addTimestamp(url); + } + } + + this.crossOrigin = crossOrigin; + this.crossOriginUrl = crossOriginUrl; + + var image = document.createElement('img'); + + if (crossOrigin) { + image.crossOrigin = crossOrigin; + } + + image.src = crossOriginUrl || url; + + var start = proxy(this.start, this); + var stop = proxy(this.stop, this); + + 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); + } + } + }, { + key: 'start', + value: function start(event) { + var _this2 = this; + + var image = this.isImg ? this.element : this.image; + + if (event) { + removeListener(image, EVENT_LOAD, this.onStart); + removeListener(image, EVENT_ERROR, this.onStop); + } + + getImageNaturalSizes(image, function (naturalWidth, naturalHeight) { + extend(_this2.imageData, { + naturalWidth: naturalWidth, + naturalHeight: naturalHeight, + aspectRatio: naturalWidth / naturalHeight + }); + _this2.loaded = true; + _this2.build(); + }); + } + }, { + key: 'stop', + value: function stop() { + var image = this.image; + + + removeListener(image, EVENT_LOAD, this.onStart); + removeListener(image, EVENT_ERROR, this.onStop); + image.parentNode.removeChild(image); + this.image = null; + } + }, { + key: 'build', + value: function build() { + var _this3 = this; + + if (!this.loaded) { + return; + } + + // Unbuild first when replace + if (this.ready) { + this.unbuild(); + } + + var element = this.element, + options = this.options, + image = this.image; + + // Create cropper elements + + var container = element.parentNode; + var template = document.createElement('div'); + + template.innerHTML = TEMPLATE; + + var cropper = template.querySelector('.' + 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'); + + this.container = container; + this.cropper = cropper; + this.canvas = canvas; + this.dragBox = dragBox; + this.cropBox = cropBox; + this.viewBox = cropper.querySelector('.' + NAMESPACE + '-view-box'); + this.face = face; + + canvas.appendChild(image); + + // Hide the original image + addClass(element, CLASS_HIDDEN); + + // Inserts the cropper after to the current image + container.insertBefore(cropper, element.nextSibling); + + // Show the image if is hidden + if (!this.isImg) { + removeClass(image, CLASS_HIDE); + } + + this.initPreview(); + this.bind(); + + 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); + } + + if (!options.guides) { + addClass(cropBox.getElementsByClassName(NAMESPACE + '-dashed'), CLASS_HIDDEN); + } + + if (!options.center) { + addClass(cropBox.getElementsByClassName(NAMESPACE + '-center'), CLASS_HIDDEN); + } + + if (options.background) { + addClass(cropper, NAMESPACE + '-bg'); + } + + if (!options.highlight) { + addClass(face, CLASS_INVISIBLE); + } + + if (options.cropBoxMovable) { + addClass(face, CLASS_MOVE); + setData(face, DATA_ACTION, ACTION_ALL); + } + + if (!options.cropBoxResizable) { + addClass(cropBox.getElementsByClassName(NAMESPACE + '-line'), CLASS_HIDDEN); + addClass(cropBox.getElementsByClassName(NAMESPACE + '-point'), CLASS_HIDDEN); + } + + this.setDragMode(options.dragMode); + this.render(); + this.ready = true; + this.setData(options.data); + + // Call the "ready" option asynchronously to keep "image.cropper" is defined + this.completing = setTimeout(function () { + if (isFunction(options.ready)) { + addListener(element, EVENT_READY, options.ready, { + once: true + }); + } + + dispatchEvent(element, EVENT_READY); + dispatchEvent(element, EVENT_CROP, _this3.getData()); + + _this3.complete = true; + }, 0); + } + }, { + 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; + } + + /** + * Get the no conflict cropper class. + * @returns {Cropper} The cropper class. + */ + + }], [{ + key: 'noConflict', + value: function noConflict() { + window.Cropper = AnotherCropper; + return Cropper; + } + + /** + * Change the default options. + * @param {Object} options - The new default options. + */ + + }, { + key: 'setDefaults', + value: function setDefaults(options) { + extend(DEFAULTS, isPlainObject(options) && options); + } + }]); + return Cropper; +}(); + +extend(Cropper.prototype, render, preview, events, handlers, change, methods); + +return Cropper; + +}))); |