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@@ -0,0 +1,3616 @@
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+/*!
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+ * Cropper.js v1.5.7
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+ * https://fengyuanchen.github.io/cropperjs
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+ *
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+ * Copyright 2015-present Chen Fengyuan
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+ * Released under the MIT license
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+ *
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+ * Date: 2020-05-23T05:23:00.081Z
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+ */
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+
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+(function (global, factory) {
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+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
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+ typeof define === 'function' && define.amd ? define(factory) :
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+ (global = global || self, global.Cropper = factory());
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+}(this, (function () { 'use strict';
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+
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+ function _typeof(obj) {
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+ "@babel/helpers - typeof";
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+
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+ if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
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+ _typeof = function (obj) {
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+ return typeof obj;
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+ };
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+ } else {
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+ _typeof = function (obj) {
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+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
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+ };
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+ }
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+
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+ return _typeof(obj);
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+ }
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+
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+ function _classCallCheck(instance, Constructor) {
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+ if (!(instance instanceof Constructor)) {
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+ throw new TypeError("Cannot call a class as a function");
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+ }
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+ }
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+
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+ function _defineProperties(target, props) {
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+ for (var i = 0; i < props.length; i++) {
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+ var descriptor = props[i];
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+ descriptor.enumerable = descriptor.enumerable || false;
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+ descriptor.configurable = true;
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+ if ("value" in descriptor) descriptor.writable = true;
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+ Object.defineProperty(target, descriptor.key, descriptor);
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+ }
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+ }
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+
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+ function _createClass(Constructor, protoProps, staticProps) {
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+ if (protoProps) _defineProperties(Constructor.prototype, protoProps);
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+ if (staticProps) _defineProperties(Constructor, staticProps);
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+ return Constructor;
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+ }
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+
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+ function _defineProperty(obj, key, value) {
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+ if (key in obj) {
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+ Object.defineProperty(obj, key, {
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+ value: value,
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+ enumerable: true,
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+ configurable: true,
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+ writable: true
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+ });
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+ } else {
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+ obj[key] = value;
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+ }
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+
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+ return obj;
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+ }
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+
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+ function ownKeys(object, enumerableOnly) {
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+ var keys = Object.keys(object);
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+
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+ if (Object.getOwnPropertySymbols) {
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+ var symbols = Object.getOwnPropertySymbols(object);
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+ if (enumerableOnly) symbols = symbols.filter(function (sym) {
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+ return Object.getOwnPropertyDescriptor(object, sym).enumerable;
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+ });
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+ keys.push.apply(keys, symbols);
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+ }
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+
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+ return keys;
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+ }
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+
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+ function _objectSpread2(target) {
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+ for (var i = 1; i < arguments.length; i++) {
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+ var source = arguments[i] != null ? arguments[i] : {};
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+
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+ if (i % 2) {
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+ ownKeys(Object(source), true).forEach(function (key) {
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+ _defineProperty(target, key, source[key]);
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+ });
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+ } else if (Object.getOwnPropertyDescriptors) {
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+ Object.defineProperties(target, Object.getOwnPropertyDescriptors(source));
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+ } else {
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+ ownKeys(Object(source)).forEach(function (key) {
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+ Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key));
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+ });
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+ }
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+ }
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+
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+ return target;
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+ }
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+
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+ function _toConsumableArray(arr) {
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+ return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread();
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+ }
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+
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+ function _arrayWithoutHoles(arr) {
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+ if (Array.isArray(arr)) return _arrayLikeToArray(arr);
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+ }
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+
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+ function _iterableToArray(iter) {
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+ if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter);
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+ }
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+
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+ function _unsupportedIterableToArray(o, minLen) {
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+ if (!o) return;
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+ if (typeof o === "string") return _arrayLikeToArray(o, minLen);
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+ var n = Object.prototype.toString.call(o).slice(8, -1);
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+ if (n === "Object" && o.constructor) n = o.constructor.name;
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+ if (n === "Map" || n === "Set") return Array.from(o);
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+ if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen);
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+ }
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+
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+ function _arrayLikeToArray(arr, len) {
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+ if (len == null || len > arr.length) len = arr.length;
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+
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+ for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
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+
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+ return arr2;
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+ }
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+
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+ function _nonIterableSpread() {
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+ throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.");
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+ }
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+
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+ var IS_BROWSER = typeof window !== 'undefined' && typeof window.document !== 'undefined';
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+ var WINDOW = IS_BROWSER ? window : {};
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+ var IS_TOUCH_DEVICE = IS_BROWSER && WINDOW.document.documentElement ? 'ontouchstart' in WINDOW.document.documentElement : false;
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+ var HAS_POINTER_EVENT = IS_BROWSER ? 'PointerEvent' in WINDOW : false;
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+ var NAMESPACE = 'cropper'; // Actions
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+
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+ var ACTION_ALL = 'all';
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+ var ACTION_CROP = 'crop';
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+ var ACTION_MOVE = 'move';
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+ var ACTION_ZOOM = 'zoom';
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+ var ACTION_EAST = 'e';
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+ var ACTION_WEST = 'w';
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+ var ACTION_SOUTH = 's';
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+ var ACTION_NORTH = 'n';
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+ var ACTION_NORTH_EAST = 'ne';
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+ var ACTION_NORTH_WEST = 'nw';
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+ var ACTION_SOUTH_EAST = 'se';
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+ var ACTION_SOUTH_WEST = 'sw'; // Classes
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+
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+ var CLASS_CROP = "".concat(NAMESPACE, "-crop");
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+ var CLASS_DISABLED = "".concat(NAMESPACE, "-disabled");
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+ var CLASS_HIDDEN = "".concat(NAMESPACE, "-hidden");
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+ var CLASS_HIDE = "".concat(NAMESPACE, "-hide");
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+ var CLASS_INVISIBLE = "".concat(NAMESPACE, "-invisible");
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+ var CLASS_MODAL = "".concat(NAMESPACE, "-modal");
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+ var CLASS_MOVE = "".concat(NAMESPACE, "-move"); // Data keys
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+
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+ var DATA_ACTION = "".concat(NAMESPACE, "Action");
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+ var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes
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+
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+ var DRAG_MODE_CROP = 'crop';
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+ var DRAG_MODE_MOVE = 'move';
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+ var DRAG_MODE_NONE = 'none'; // Events
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+
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+ var EVENT_CROP = 'crop';
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+ var EVENT_CROP_END = 'cropend';
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+ var EVENT_CROP_MOVE = 'cropmove';
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+ var EVENT_CROP_START = 'cropstart';
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+ var EVENT_DBLCLICK = 'dblclick';
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+ var EVENT_TOUCH_START = IS_TOUCH_DEVICE ? 'touchstart' : 'mousedown';
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+ var EVENT_TOUCH_MOVE = IS_TOUCH_DEVICE ? 'touchmove' : 'mousemove';
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+ var EVENT_TOUCH_END = IS_TOUCH_DEVICE ? 'touchend touchcancel' : 'mouseup';
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+ var EVENT_POINTER_DOWN = HAS_POINTER_EVENT ? 'pointerdown' : EVENT_TOUCH_START;
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+ var EVENT_POINTER_MOVE = HAS_POINTER_EVENT ? 'pointermove' : EVENT_TOUCH_MOVE;
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+ var EVENT_POINTER_UP = HAS_POINTER_EVENT ? 'pointerup pointercancel' : EVENT_TOUCH_END;
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+ var EVENT_READY = 'ready';
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+ var EVENT_RESIZE = 'resize';
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+ var EVENT_WHEEL = 'wheel';
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+ var EVENT_ZOOM = 'zoom'; // Mime types
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+
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+ var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps
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+
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+ var REGEXP_ACTIONS = /^e|w|s|n|se|sw|ne|nw|all|crop|move|zoom$/;
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+ var REGEXP_DATA_URL = /^data:/;
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+ var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
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+ var REGEXP_TAG_NAME = /^img|canvas$/i; // Misc
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+
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+ var DEFAULTS = {
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+ // Define the view mode of the cropper
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+ viewMode: 0,
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+ // 0, 1, 2, 3
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+ // Define the dragging mode of the cropper
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+ dragMode: DRAG_MODE_CROP,
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+ // 'crop', 'move' or 'none'
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+ // Define the initial aspect ratio of the crop box
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+ initialAspectRatio: NaN,
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+ // Define the aspect ratio of the crop box
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+ aspectRatio: NaN,
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+ // An object with the previous cropping result data
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+ data: null,
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+ // A selector for adding extra containers to preview
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+ preview: '',
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+ // Re-render the cropper when resize the window
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+ responsive: true,
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+ // Restore the cropped area after resize the window
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+ restore: true,
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+ // Check if the current image is a cross-origin image
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+ checkCrossOrigin: true,
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+ // Check the current image's Exif Orientation information
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+ checkOrientation: true,
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+ // Show the black modal
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+ modal: true,
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+ // Show the dashed lines for guiding
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+ guides: true,
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+ // Show the center indicator for guiding
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+ center: true,
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+ // Show the white modal to highlight the crop box
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+ highlight: true,
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+ // Show the grid background
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+ background: true,
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+ // Enable to crop the image automatically when initialize
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+ autoCrop: true,
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+ // Define the percentage of automatic cropping area when initializes
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+ autoCropArea: 0.8,
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+ // Enable to move the image
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+ movable: true,
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+ // Enable to rotate the image
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+ rotatable: true,
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+ // Enable to scale the image
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+ scalable: true,
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+ // Enable to zoom the image
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+ zoomable: true,
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+ // Enable to zoom the image by dragging touch
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+ zoomOnTouch: true,
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+ // Enable to zoom the image by wheeling mouse
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+ zoomOnWheel: true,
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+ // Define zoom ratio when zoom the image by wheeling mouse
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+ wheelZoomRatio: 0.1,
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+ // Enable to move the crop box
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+ cropBoxMovable: true,
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+ // Enable to resize the crop box
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+ cropBoxResizable: true,
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+ // Toggle drag mode between "crop" and "move" when click twice on the cropper
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+ toggleDragModeOnDblclick: true,
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+ // Size limitation
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+ minCanvasWidth: 0,
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+ minCanvasHeight: 0,
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+ minCropBoxWidth: 0,
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+ minCropBoxHeight: 0,
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+ minContainerWidth: 200,
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+ minContainerHeight: 100,
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+ // Shortcuts of events
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+ ready: null,
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+ cropstart: null,
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+ cropmove: null,
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+ cropend: null,
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+ crop: null,
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+ zoom: null
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+ };
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+
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+ var TEMPLATE = '<div class="cropper-container" touch-action="none">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-cropper-action="e"></span>' + '<span class="cropper-line line-n" data-cropper-action="n"></span>' + '<span class="cropper-line line-w" data-cropper-action="w"></span>' + '<span class="cropper-line line-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-e" data-cropper-action="e"></span>' + '<span class="cropper-point point-n" data-cropper-action="n"></span>' + '<span class="cropper-point point-w" data-cropper-action="w"></span>' + '<span class="cropper-point point-s" data-cropper-action="s"></span>' + '<span class="cropper-point point-ne" data-cropper-action="ne"></span>' + '<span class="cropper-point point-nw" data-cropper-action="nw"></span>' + '<span class="cropper-point point-sw" data-cropper-action="sw"></span>' + '<span class="cropper-point point-se" data-cropper-action="se"></span>' + '</div>' + '</div>';
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+
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+ /**
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+ * Check if the given value is not a number.
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+ */
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+
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+ var isNaN = Number.isNaN || WINDOW.isNaN;
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+ /**
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+ * Check if the given value is a number.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is a number, else `false`.
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+ */
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+
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+ function isNumber(value) {
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+ return typeof value === 'number' && !isNaN(value);
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+ }
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+ /**
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+ * Check if the given value is a positive number.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is a positive number, else `false`.
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+ */
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+
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+ var isPositiveNumber = function isPositiveNumber(value) {
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+ return value > 0 && value < Infinity;
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+ };
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+ /**
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+ * Check if the given value is undefined.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
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+ */
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+
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+ function isUndefined(value) {
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+ return typeof value === 'undefined';
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+ }
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+ /**
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+ * Check if the given value is an object.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is an object, else `false`.
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+ */
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+
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+ function isObject(value) {
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+ return _typeof(value) === 'object' && value !== null;
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+ }
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+ var hasOwnProperty = Object.prototype.hasOwnProperty;
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+ /**
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+ * Check if the given value is a plain object.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
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+ */
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+
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+ function isPlainObject(value) {
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+ if (!isObject(value)) {
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+ return false;
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+ }
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+
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+ try {
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+ var _constructor = value.constructor;
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+ var prototype = _constructor.prototype;
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+ return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
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+ } catch (error) {
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+ return false;
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+ }
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+ }
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+ /**
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+ * Check if the given value is a function.
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+ * @param {*} value - The value to check.
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+ * @returns {boolean} Returns `true` if the given value is a function, else `false`.
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+ */
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+
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+ function isFunction(value) {
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+ return typeof value === 'function';
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+ }
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+ var slice = Array.prototype.slice;
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+ /**
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+ * Convert array-like or iterable object to an array.
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+ * @param {*} value - The value to convert.
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+ * @returns {Array} Returns a new array.
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+ */
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+
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+ function toArray(value) {
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+ return Array.from ? Array.from(value) : slice.call(value);
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+ }
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+ /**
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+ * Iterate the given data.
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+ * @param {*} data - The data to iterate.
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+ * @param {Function} callback - The process function for each element.
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+ * @returns {*} The original data.
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+ */
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+
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+ function forEach(data, callback) {
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+ if (data && isFunction(callback)) {
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+ if (Array.isArray(data) || isNumber(data.length)
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+ /* array-like */
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+ ) {
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+ toArray(data).forEach(function (value, key) {
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+ callback.call(data, value, key, data);
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+ });
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+ } else if (isObject(data)) {
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+ Object.keys(data).forEach(function (key) {
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+ callback.call(data, data[key], key, data);
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+ });
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+ }
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+ }
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+
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+ return data;
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+ }
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+ /**
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+ * Extend the given object.
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+ * @param {*} target - The target object to extend.
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+ * @param {*} args - The rest objects for merging to the target object.
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+ * @returns {Object} The extended object.
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+ */
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+
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|
|
+ var assign = Object.assign || function assign(target) {
|
|
|
+ for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
|
+ args[_key - 1] = arguments[_key];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isObject(target) && args.length > 0) {
|
|
|
+ args.forEach(function (arg) {
|
|
|
+ if (isObject(arg)) {
|
|
|
+ Object.keys(arg).forEach(function (key) {
|
|
|
+ target[key] = arg[key];
|
|
|
+ });
|
|
|
+ }
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ return target;
|
|
|
+ };
|
|
|
+ var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/;
|
|
|
+ /**
|
|
|
+ * Normalize decimal number.
|
|
|
+ * Check out {@link https://0.30000000000000004.com/}
|
|
|
+ * @param {number} value - The value to normalize.
|
|
|
+ * @param {number} [times=100000000000] - The times for normalizing.
|
|
|
+ * @returns {number} Returns the normalized number.
|
|
|
+ */
|
|
|
+
|
|
|
+ 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;
|
|
|
+ forEach(styles, function (value, property) {
|
|
|
+ if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
|
|
|
+ value = "".concat(value, "px");
|
|
|
+ }
|
|
|
+
|
|
|
+ style[property] = value;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Check if the given element has a special class.
|
|
|
+ * @param {Element} element - The element to check.
|
|
|
+ * @param {string} value - The class to search.
|
|
|
+ * @returns {boolean} Returns `true` if the special class was found.
|
|
|
+ */
|
|
|
+
|
|
|
+ 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)) {
|
|
|
+ forEach(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 = "".concat(className, " ").concat(value);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Remove classes from the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} value - The classes to be removed.
|
|
|
+ */
|
|
|
+
|
|
|
+ function removeClass(element, value) {
|
|
|
+ if (!value) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(element.length)) {
|
|
|
+ forEach(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)) {
|
|
|
+ forEach(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_CAMEL_CASE = /([a-z\d])([A-Z])/g;
|
|
|
+ /**
|
|
|
+ * Transform the given string from camelCase to kebab-case
|
|
|
+ * @param {string} value - The value to transform.
|
|
|
+ * @returns {string} The transformed value.
|
|
|
+ */
|
|
|
+
|
|
|
+ function toParamCase(value) {
|
|
|
+ return value.replace(REGEXP_CAMEL_CASE, '$1-$2').toLowerCase();
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get data from the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} name - The data key to get.
|
|
|
+ * @returns {string} The data value.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getData(element, name) {
|
|
|
+ if (isObject(element[name])) {
|
|
|
+ return element[name];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (element.dataset) {
|
|
|
+ return element.dataset[name];
|
|
|
+ }
|
|
|
+
|
|
|
+ return element.getAttribute("data-".concat(toParamCase(name)));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Set data to the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} name - The data key to set.
|
|
|
+ * @param {string} data - The data value.
|
|
|
+ */
|
|
|
+
|
|
|
+ function setData(element, name, data) {
|
|
|
+ if (isObject(data)) {
|
|
|
+ element[name] = data;
|
|
|
+ } else if (element.dataset) {
|
|
|
+ element.dataset[name] = data;
|
|
|
+ } else {
|
|
|
+ element.setAttribute("data-".concat(toParamCase(name)), data);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Remove data from the given element.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @param {string} name - The data key to remove.
|
|
|
+ */
|
|
|
+
|
|
|
+ function removeData(element, name) {
|
|
|
+ if (isObject(element[name])) {
|
|
|
+ try {
|
|
|
+ delete element[name];
|
|
|
+ } catch (error) {
|
|
|
+ element[name] = undefined;
|
|
|
+ }
|
|
|
+ } else if (element.dataset) {
|
|
|
+ // #128 Safari not allows to delete dataset property
|
|
|
+ try {
|
|
|
+ delete element.dataset[name];
|
|
|
+ } catch (error) {
|
|
|
+ element.dataset[name] = undefined;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ element.removeAttribute("data-".concat(toParamCase(name)));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ var REGEXP_SPACES = /\s\s*/;
|
|
|
+
|
|
|
+ var onceSupported = function () {
|
|
|
+ var supported = false;
|
|
|
+
|
|
|
+ if (IS_BROWSER) {
|
|
|
+ var once = false;
|
|
|
+
|
|
|
+ var listener = function listener() {};
|
|
|
+
|
|
|
+ var options = Object.defineProperty({}, 'once', {
|
|
|
+ get: function get() {
|
|
|
+ supported = true;
|
|
|
+ return once;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * This setter can fix a `TypeError` in strict mode
|
|
|
+ * {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Getter_only}
|
|
|
+ * @param {boolean} value - The value to set
|
|
|
+ */
|
|
|
+ set: function set(value) {
|
|
|
+ once = value;
|
|
|
+ }
|
|
|
+ });
|
|
|
+ WINDOW.addEventListener('test', listener, options);
|
|
|
+ WINDOW.removeEventListener('test', listener, options);
|
|
|
+ }
|
|
|
+
|
|
|
+ return supported;
|
|
|
+ }();
|
|
|
+ /**
|
|
|
+ * Remove event listener from the target element.
|
|
|
+ * @param {Element} element - The event target.
|
|
|
+ * @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] : {};
|
|
|
+ var handler = listener;
|
|
|
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
|
|
|
+ if (!onceSupported) {
|
|
|
+ var listeners = element.listeners;
|
|
|
+
|
|
|
+ if (listeners && listeners[event] && listeners[event][listener]) {
|
|
|
+ handler = listeners[event][listener];
|
|
|
+ delete listeners[event][listener];
|
|
|
+
|
|
|
+ if (Object.keys(listeners[event]).length === 0) {
|
|
|
+ delete listeners[event];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (Object.keys(listeners).length === 0) {
|
|
|
+ delete element.listeners;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ element.removeEventListener(event, handler, options);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * 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] : {};
|
|
|
+ var _handler = listener;
|
|
|
+ type.trim().split(REGEXP_SPACES).forEach(function (event) {
|
|
|
+ if (options.once && !onceSupported) {
|
|
|
+ var _element$listeners = element.listeners,
|
|
|
+ listeners = _element$listeners === void 0 ? {} : _element$listeners;
|
|
|
+
|
|
|
+ _handler = function handler() {
|
|
|
+ delete listeners[event][listener];
|
|
|
+ element.removeEventListener(event, _handler, options);
|
|
|
+
|
|
|
+ for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
|
|
|
+ args[_key2] = arguments[_key2];
|
|
|
+ }
|
|
|
+
|
|
|
+ listener.apply(element, args);
|
|
|
+ };
|
|
|
+
|
|
|
+ if (!listeners[event]) {
|
|
|
+ listeners[event] = {};
|
|
|
+ }
|
|
|
+
|
|
|
+ if (listeners[event][listener]) {
|
|
|
+ element.removeEventListener(event, listeners[event][listener], options);
|
|
|
+ }
|
|
|
+
|
|
|
+ listeners[event][listener] = _handler;
|
|
|
+ element.listeners = listeners;
|
|
|
+ }
|
|
|
+
|
|
|
+ element.addEventListener(event, _handler, options);
|
|
|
+ });
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Dispatch event on the target element.
|
|
|
+ * @param {Element} element - The event target.
|
|
|
+ * @param {string} type - The event type(s).
|
|
|
+ * @param {Object} data - The additional event data.
|
|
|
+ * @returns {boolean} Indicate if the event is default prevented or not.
|
|
|
+ */
|
|
|
+
|
|
|
+ function dispatchEvent(element, type, data) {
|
|
|
+ var event; // Event and CustomEvent on IE9-11 are global objects, not constructors
|
|
|
+
|
|
|
+ if (isFunction(Event) && isFunction(CustomEvent)) {
|
|
|
+ event = new CustomEvent(type, {
|
|
|
+ detail: data,
|
|
|
+ bubbles: true,
|
|
|
+ cancelable: true
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ event = document.createEvent('CustomEvent');
|
|
|
+ event.initCustomEvent(type, true, true, data);
|
|
|
+ }
|
|
|
+
|
|
|
+ return element.dispatchEvent(event);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the offset base on the document.
|
|
|
+ * @param {Element} element - The target element.
|
|
|
+ * @returns {Object} The offset data.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getOffset(element) {
|
|
|
+ var box = element.getBoundingClientRect();
|
|
|
+ return {
|
|
|
+ left: box.left + (window.pageXOffset - document.documentElement.clientLeft),
|
|
|
+ top: box.top + (window.pageYOffset - document.documentElement.clientTop)
|
|
|
+ };
|
|
|
+ }
|
|
|
+ var location = WINDOW.location;
|
|
|
+ var REGEXP_ORIGINS = /^(\w+:)\/\/([^:/?#]*):?(\d*)/i;
|
|
|
+ /**
|
|
|
+ * Check if the given URL is a cross origin URL.
|
|
|
+ * @param {string} url - The target URL.
|
|
|
+ * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
|
|
|
+ */
|
|
|
+
|
|
|
+ function isCrossOriginURL(url) {
|
|
|
+ var parts = url.match(REGEXP_ORIGINS);
|
|
|
+ return parts !== null && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Add timestamp to the given URL.
|
|
|
+ * @param {string} url - The target URL.
|
|
|
+ * @returns {string} The result URL.
|
|
|
+ */
|
|
|
+
|
|
|
+ function addTimestamp(url) {
|
|
|
+ var timestamp = "timestamp=".concat(new Date().getTime());
|
|
|
+ return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get transforms base on the given object.
|
|
|
+ * @param {Object} obj - The target object.
|
|
|
+ * @returns {string} A string contains transform values.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getTransforms(_ref) {
|
|
|
+ var rotate = _ref.rotate,
|
|
|
+ scaleX = _ref.scaleX,
|
|
|
+ scaleY = _ref.scaleY,
|
|
|
+ translateX = _ref.translateX,
|
|
|
+ translateY = _ref.translateY;
|
|
|
+ var values = [];
|
|
|
+
|
|
|
+ if (isNumber(translateX) && translateX !== 0) {
|
|
|
+ values.push("translateX(".concat(translateX, "px)"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(translateY) && translateY !== 0) {
|
|
|
+ values.push("translateY(".concat(translateY, "px)"));
|
|
|
+ } // Rotate should come first before scale to match orientation transform
|
|
|
+
|
|
|
+
|
|
|
+ if (isNumber(rotate) && rotate !== 0) {
|
|
|
+ values.push("rotate(".concat(rotate, "deg)"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(scaleX) && scaleX !== 1) {
|
|
|
+ values.push("scaleX(".concat(scaleX, ")"));
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(scaleY) && scaleY !== 1) {
|
|
|
+ values.push("scaleY(".concat(scaleY, ")"));
|
|
|
+ }
|
|
|
+
|
|
|
+ var transform = values.length ? values.join(' ') : 'none';
|
|
|
+ return {
|
|
|
+ WebkitTransform: transform,
|
|
|
+ msTransform: transform,
|
|
|
+ transform: transform
|
|
|
+ };
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the max ratio of a group of pointers.
|
|
|
+ * @param {string} pointers - The target pointers.
|
|
|
+ * @returns {number} The result ratio.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getMaxZoomRatio(pointers) {
|
|
|
+ var pointers2 = _objectSpread2({}, pointers);
|
|
|
+
|
|
|
+ var ratios = [];
|
|
|
+ forEach(pointers, function (pointer, pointerId) {
|
|
|
+ delete pointers2[pointerId];
|
|
|
+ forEach(pointers2, function (pointer2) {
|
|
|
+ var x1 = Math.abs(pointer.startX - pointer2.startX);
|
|
|
+ var y1 = Math.abs(pointer.startY - pointer2.startY);
|
|
|
+ var x2 = Math.abs(pointer.endX - pointer2.endX);
|
|
|
+ var y2 = Math.abs(pointer.endY - pointer2.endY);
|
|
|
+ var z1 = Math.sqrt(x1 * x1 + y1 * y1);
|
|
|
+ var z2 = Math.sqrt(x2 * x2 + y2 * y2);
|
|
|
+ var ratio = (z2 - z1) / z1;
|
|
|
+ ratios.push(ratio);
|
|
|
+ });
|
|
|
+ });
|
|
|
+ ratios.sort(function (a, b) {
|
|
|
+ return Math.abs(a) < Math.abs(b);
|
|
|
+ });
|
|
|
+ return ratios[0];
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get a pointer from an event object.
|
|
|
+ * @param {Object} event - The target event object.
|
|
|
+ * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
|
|
|
+ * @returns {Object} The result pointer contains start and/or end point coordinates.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getPointer(_ref2, endOnly) {
|
|
|
+ var pageX = _ref2.pageX,
|
|
|
+ pageY = _ref2.pageY;
|
|
|
+ var end = {
|
|
|
+ endX: pageX,
|
|
|
+ endY: pageY
|
|
|
+ };
|
|
|
+ return endOnly ? end : _objectSpread2({
|
|
|
+ startX: pageX,
|
|
|
+ startY: pageY
|
|
|
+ }, end);
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the center point coordinate of a group of pointers.
|
|
|
+ * @param {Object} pointers - The target pointers.
|
|
|
+ * @returns {Object} The center point coordinate.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getPointersCenter(pointers) {
|
|
|
+ var pageX = 0;
|
|
|
+ var pageY = 0;
|
|
|
+ var count = 0;
|
|
|
+ forEach(pointers, function (_ref3) {
|
|
|
+ var startX = _ref3.startX,
|
|
|
+ startY = _ref3.startY;
|
|
|
+ pageX += startX;
|
|
|
+ pageY += startY;
|
|
|
+ count += 1;
|
|
|
+ });
|
|
|
+ pageX /= count;
|
|
|
+ pageY /= count;
|
|
|
+ return {
|
|
|
+ pageX: pageX,
|
|
|
+ pageY: pageY
|
|
|
+ };
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the max sizes in a rectangle under the given aspect ratio.
|
|
|
+ * @param {Object} data - The original sizes.
|
|
|
+ * @param {string} [type='contain'] - The adjust type.
|
|
|
+ * @returns {Object} The result sizes.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getAdjustedSizes(_ref4) // or 'cover'
|
|
|
+ {
|
|
|
+ var aspectRatio = _ref4.aspectRatio,
|
|
|
+ height = _ref4.height,
|
|
|
+ width = _ref4.width;
|
|
|
+ var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'contain';
|
|
|
+ var isValidWidth = isPositiveNumber(width);
|
|
|
+ var isValidHeight = isPositiveNumber(height);
|
|
|
+
|
|
|
+ if (isValidWidth && isValidHeight) {
|
|
|
+ var adjustedWidth = height * aspectRatio;
|
|
|
+
|
|
|
+ if (type === 'contain' && adjustedWidth > width || type === 'cover' && adjustedWidth < width) {
|
|
|
+ height = width / aspectRatio;
|
|
|
+ } else {
|
|
|
+ width = height * aspectRatio;
|
|
|
+ }
|
|
|
+ } else if (isValidWidth) {
|
|
|
+ height = width / aspectRatio;
|
|
|
+ } else if (isValidHeight) {
|
|
|
+ width = height * aspectRatio;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 imageAspectRatio = _ref6.aspectRatio,
|
|
|
+ imageNaturalWidth = _ref6.naturalWidth,
|
|
|
+ imageNaturalHeight = _ref6.naturalHeight,
|
|
|
+ _ref6$rotate = _ref6.rotate,
|
|
|
+ rotate = _ref6$rotate === void 0 ? 0 : _ref6$rotate,
|
|
|
+ _ref6$scaleX = _ref6.scaleX,
|
|
|
+ scaleX = _ref6$scaleX === void 0 ? 1 : _ref6$scaleX,
|
|
|
+ _ref6$scaleY = _ref6.scaleY,
|
|
|
+ scaleY = _ref6$scaleY === void 0 ? 1 : _ref6$scaleY;
|
|
|
+ var aspectRatio = _ref7.aspectRatio,
|
|
|
+ naturalWidth = _ref7.naturalWidth,
|
|
|
+ naturalHeight = _ref7.naturalHeight;
|
|
|
+ var _ref8$fillColor = _ref8.fillColor,
|
|
|
+ fillColor = _ref8$fillColor === void 0 ? 'transparent' : _ref8$fillColor,
|
|
|
+ _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
|
|
|
+ imageSmoothingEnabled = _ref8$imageSmoothingE === void 0 ? true : _ref8$imageSmoothingE,
|
|
|
+ _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
|
|
|
+ imageSmoothingQuality = _ref8$imageSmoothingQ === void 0 ? 'low' : _ref8$imageSmoothingQ,
|
|
|
+ _ref8$maxWidth = _ref8.maxWidth,
|
|
|
+ maxWidth = _ref8$maxWidth === void 0 ? Infinity : _ref8$maxWidth,
|
|
|
+ _ref8$maxHeight = _ref8.maxHeight,
|
|
|
+ maxHeight = _ref8$maxHeight === void 0 ? Infinity : _ref8$maxHeight,
|
|
|
+ _ref8$minWidth = _ref8.minWidth,
|
|
|
+ minWidth = _ref8$minWidth === void 0 ? 0 : _ref8$minWidth,
|
|
|
+ _ref8$minHeight = _ref8.minHeight,
|
|
|
+ minHeight = _ref8$minHeight === void 0 ? 0 : _ref8$minHeight;
|
|
|
+ var canvas = document.createElement('canvas');
|
|
|
+ var context = canvas.getContext('2d');
|
|
|
+ var maxSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: maxWidth,
|
|
|
+ height: maxHeight
|
|
|
+ });
|
|
|
+ var minSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: minWidth,
|
|
|
+ height: minHeight
|
|
|
+ }, 'cover');
|
|
|
+ var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
|
|
|
+ var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight)); // Note: should always use image's natural sizes for drawing as
|
|
|
+ // imageData.naturalWidth === canvasData.naturalHeight when rotate % 180 === 90
|
|
|
+
|
|
|
+ var destMaxSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: imageAspectRatio,
|
|
|
+ width: maxWidth,
|
|
|
+ height: maxHeight
|
|
|
+ });
|
|
|
+ var destMinSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: imageAspectRatio,
|
|
|
+ width: minWidth,
|
|
|
+ height: minHeight
|
|
|
+ }, 'cover');
|
|
|
+ var destWidth = Math.min(destMaxSizes.width, Math.max(destMinSizes.width, imageNaturalWidth));
|
|
|
+ var destHeight = Math.min(destMaxSizes.height, Math.max(destMinSizes.height, imageNaturalHeight));
|
|
|
+ var params = [-destWidth / 2, -destHeight / 2, destWidth, destHeight];
|
|
|
+ canvas.width = normalizeDecimalNumber(width);
|
|
|
+ canvas.height = normalizeDecimalNumber(height);
|
|
|
+ context.fillStyle = fillColor;
|
|
|
+ context.fillRect(0, 0, width, height);
|
|
|
+ context.save();
|
|
|
+ context.translate(width / 2, height / 2);
|
|
|
+ context.rotate(rotate * Math.PI / 180);
|
|
|
+ context.scale(scaleX, scaleY);
|
|
|
+ context.imageSmoothingEnabled = imageSmoothingEnabled;
|
|
|
+ context.imageSmoothingQuality = imageSmoothingQuality;
|
|
|
+ context.drawImage.apply(context, [image].concat(_toConsumableArray(params.map(function (param) {
|
|
|
+ return Math.floor(normalizeDecimalNumber(param));
|
|
|
+ }))));
|
|
|
+ context.restore();
|
|
|
+ return canvas;
|
|
|
+ }
|
|
|
+ var fromCharCode = String.fromCharCode;
|
|
|
+ /**
|
|
|
+ * Get string from char code in data view.
|
|
|
+ * @param {DataView} dataView - The data view for read.
|
|
|
+ * @param {number} start - The start index.
|
|
|
+ * @param {number} length - The read length.
|
|
|
+ * @returns {string} The read result.
|
|
|
+ */
|
|
|
+
|
|
|
+ function getStringFromCharCode(dataView, start, length) {
|
|
|
+ var str = '';
|
|
|
+ length += start;
|
|
|
+
|
|
|
+ for (var i = start; i < length; i += 1) {
|
|
|
+ str += fromCharCode(dataView.getUint8(i));
|
|
|
+ }
|
|
|
+
|
|
|
+ return str;
|
|
|
+ }
|
|
|
+ var REGEXP_DATA_URL_HEAD = /^data:.*,/;
|
|
|
+ /**
|
|
|
+ * Transform Data URL to array buffer.
|
|
|
+ * @param {string} dataURL - The Data URL to transform.
|
|
|
+ * @returns {ArrayBuffer} The result array buffer.
|
|
|
+ */
|
|
|
+
|
|
|
+ function dataURLToArrayBuffer(dataURL) {
|
|
|
+ var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
|
|
|
+ var binary = atob(base64);
|
|
|
+ var arrayBuffer = new ArrayBuffer(binary.length);
|
|
|
+ var uint8 = new Uint8Array(arrayBuffer);
|
|
|
+ forEach(uint8, function (value, i) {
|
|
|
+ uint8[i] = binary.charCodeAt(i);
|
|
|
+ });
|
|
|
+ return arrayBuffer;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Transform array buffer to Data URL.
|
|
|
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
|
|
|
+ * @param {string} mimeType - The mime type of the Data URL.
|
|
|
+ * @returns {string} The result Data URL.
|
|
|
+ */
|
|
|
+
|
|
|
+ function arrayBufferToDataURL(arrayBuffer, mimeType) {
|
|
|
+ var chunks = []; // Chunk Typed Array for better performance (#435)
|
|
|
+
|
|
|
+ var chunkSize = 8192;
|
|
|
+ var uint8 = new Uint8Array(arrayBuffer);
|
|
|
+
|
|
|
+ while (uint8.length > 0) {
|
|
|
+ // XXX: Babel's `toConsumableArray` helper will throw error in IE or Safari 9
|
|
|
+ // eslint-disable-next-line prefer-spread
|
|
|
+ chunks.push(fromCharCode.apply(null, toArray(uint8.subarray(0, chunkSize))));
|
|
|
+ uint8 = uint8.subarray(chunkSize);
|
|
|
+ }
|
|
|
+
|
|
|
+ return "data:".concat(mimeType, ";base64,").concat(btoa(chunks.join('')));
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get orientation value from given array buffer.
|
|
|
+ * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
|
|
|
+ * @returns {number} The read orientation value.
|
|
|
+ */
|
|
|
+
|
|
|
+ function resetAndGetOrientation(arrayBuffer) {
|
|
|
+ var dataView = new DataView(arrayBuffer);
|
|
|
+ var orientation; // Ignores range error when the image does not have correct Exif information
|
|
|
+
|
|
|
+ try {
|
|
|
+ var littleEndian;
|
|
|
+ var app1Start;
|
|
|
+ var ifdStart; // 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 + 1 < length) {
|
|
|
+ if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
|
|
|
+ app1Start = offset;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+
|
|
|
+ offset += 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (app1Start) {
|
|
|
+ var exifIDCode = app1Start + 4;
|
|
|
+ var tiffOffset = app1Start + 10;
|
|
|
+
|
|
|
+ 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;
|
|
|
+
|
|
|
+ var i;
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } catch (error) {
|
|
|
+ orientation = 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ return orientation;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Parse Exif Orientation value.
|
|
|
+ * @param {number} orientation - The orientation to parse.
|
|
|
+ * @returns {Object} The parsed result.
|
|
|
+ */
|
|
|
+
|
|
|
+ function parseOrientation(orientation) {
|
|
|
+ var rotate = 0;
|
|
|
+ var scaleX = 1;
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 = assign({}, imageData);
|
|
|
+ this.initialCanvasData = assign({}, canvasData);
|
|
|
+ },
|
|
|
+ limitCanvas: function limitCanvas(sizeLimited, positionLimited) {
|
|
|
+ var options = this.options,
|
|
|
+ containerData = this.containerData,
|
|
|
+ canvasData = this.canvasData,
|
|
|
+ cropBoxData = this.cropBoxData;
|
|
|
+ var viewMode = options.viewMode;
|
|
|
+ var aspectRatio = canvasData.aspectRatio;
|
|
|
+ var cropped = this.cropped && cropBoxData;
|
|
|
+
|
|
|
+ if (sizeLimited) {
|
|
|
+ var minCanvasWidth = Number(options.minCanvasWidth) || 0;
|
|
|
+ var minCanvasHeight = Number(options.minCanvasHeight) || 0;
|
|
|
+
|
|
|
+ if (viewMode > 1) {
|
|
|
+ minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
|
|
|
+ minCanvasHeight = Math.max(minCanvasHeight, containerData.height);
|
|
|
+
|
|
|
+ if (viewMode === 3) {
|
|
|
+ if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
|
|
+ minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
|
+ } else {
|
|
|
+ minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else if (viewMode > 0) {
|
|
|
+ if (minCanvasWidth) {
|
|
|
+ minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBoxData.width : 0);
|
|
|
+ } else if (minCanvasHeight) {
|
|
|
+ minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBoxData.height : 0);
|
|
|
+ } else if (cropped) {
|
|
|
+ minCanvasWidth = cropBoxData.width;
|
|
|
+ minCanvasHeight = cropBoxData.height;
|
|
|
+
|
|
|
+ if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
|
|
+ minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
|
+ } else {
|
|
|
+ minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ var _getAdjustedSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: minCanvasWidth,
|
|
|
+ height: minCanvasHeight
|
|
|
+ });
|
|
|
+
|
|
|
+ minCanvasWidth = _getAdjustedSizes.width;
|
|
|
+ minCanvasHeight = _getAdjustedSizes.height;
|
|
|
+ canvasData.minWidth = minCanvasWidth;
|
|
|
+ canvasData.minHeight = minCanvasHeight;
|
|
|
+ canvasData.maxWidth = Infinity;
|
|
|
+ canvasData.maxHeight = Infinity;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (positionLimited) {
|
|
|
+ if (viewMode > (cropped ? 0 : 1)) {
|
|
|
+ var newCanvasLeft = containerData.width - canvasData.width;
|
|
|
+ var newCanvasTop = containerData.height - canvasData.height;
|
|
|
+ canvasData.minLeft = Math.min(0, newCanvasLeft);
|
|
|
+ canvasData.minTop = Math.min(0, newCanvasTop);
|
|
|
+ canvasData.maxLeft = Math.max(0, newCanvasLeft);
|
|
|
+ canvasData.maxTop = Math.max(0, newCanvasTop);
|
|
|
+
|
|
|
+ if (cropped && this.limited) {
|
|
|
+ canvasData.minLeft = Math.min(cropBoxData.left, cropBoxData.left + (cropBoxData.width - canvasData.width));
|
|
|
+ canvasData.minTop = Math.min(cropBoxData.top, cropBoxData.top + (cropBoxData.height - canvasData.height));
|
|
|
+ canvasData.maxLeft = cropBoxData.left;
|
|
|
+ canvasData.maxTop = cropBoxData.top;
|
|
|
+
|
|
|
+ if (viewMode === 2) {
|
|
|
+ if (canvasData.width >= containerData.width) {
|
|
|
+ canvasData.minLeft = Math.min(0, newCanvasLeft);
|
|
|
+ canvasData.maxLeft = Math.max(0, newCanvasLeft);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (canvasData.height >= containerData.height) {
|
|
|
+ canvasData.minTop = Math.min(0, newCanvasTop);
|
|
|
+ canvasData.maxTop = Math.max(0, newCanvasTop);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ canvasData.minLeft = -canvasData.width;
|
|
|
+ canvasData.minTop = -canvasData.height;
|
|
|
+ canvasData.maxLeft = containerData.width;
|
|
|
+ canvasData.maxTop = containerData.height;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ 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, assign({
|
|
|
+ width: canvasData.width,
|
|
|
+ height: canvasData.height
|
|
|
+ }, getTransforms({
|
|
|
+ translateX: canvasData.left,
|
|
|
+ translateY: canvasData.top
|
|
|
+ })));
|
|
|
+ this.renderImage(changed);
|
|
|
+
|
|
|
+ if (this.cropped && this.limited) {
|
|
|
+ this.limitCropBox(true, true);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ renderImage: function renderImage(changed) {
|
|
|
+ var canvasData = this.canvasData,
|
|
|
+ imageData = this.imageData;
|
|
|
+ var width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
|
|
|
+ var height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
|
|
|
+ assign(imageData, {
|
|
|
+ width: width,
|
|
|
+ height: height,
|
|
|
+ left: (canvasData.width - width) / 2,
|
|
|
+ top: (canvasData.height - height) / 2
|
|
|
+ });
|
|
|
+ setStyle(this.image, assign({
|
|
|
+ width: imageData.width,
|
|
|
+ height: imageData.height
|
|
|
+ }, getTransforms(assign({
|
|
|
+ translateX: imageData.left,
|
|
|
+ translateY: imageData.top
|
|
|
+ }, imageData))));
|
|
|
+
|
|
|
+ if (changed) {
|
|
|
+ this.output();
|
|
|
+ }
|
|
|
+ },
|
|
|
+ initCropBox: function initCropBox() {
|
|
|
+ var options = this.options,
|
|
|
+ canvasData = this.canvasData;
|
|
|
+ var aspectRatio = options.aspectRatio || options.initialAspectRatio;
|
|
|
+ var autoCropArea = Number(options.autoCropArea) || 0.8;
|
|
|
+ var cropBoxData = {
|
|
|
+ width: canvasData.width,
|
|
|
+ height: canvasData.height
|
|
|
+ };
|
|
|
+
|
|
|
+ if (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 = assign({}, cropBoxData);
|
|
|
+ },
|
|
|
+ limitCropBox: function limitCropBox(sizeLimited, positionLimited) {
|
|
|
+ var options = this.options,
|
|
|
+ containerData = this.containerData,
|
|
|
+ canvasData = this.canvasData,
|
|
|
+ cropBoxData = this.cropBoxData,
|
|
|
+ limited = this.limited;
|
|
|
+ var aspectRatio = options.aspectRatio;
|
|
|
+
|
|
|
+ if (sizeLimited) {
|
|
|
+ var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
|
|
|
+ var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
|
|
|
+ var maxCropBoxWidth = limited ? Math.min(containerData.width, canvasData.width, canvasData.width + canvasData.left, containerData.width - canvasData.left) : containerData.width;
|
|
|
+ var maxCropBoxHeight = limited ? Math.min(containerData.height, canvasData.height, canvasData.height + canvasData.top, containerData.height - canvasData.top) : containerData.height; // The min/maxCropBoxWidth/Height must be less than container's width/height
|
|
|
+
|
|
|
+ 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, assign({
|
|
|
+ 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();
|
|
|
+ dispatchEvent(this.element, EVENT_CROP, this.getData());
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var preview = {
|
|
|
+ initPreview: function initPreview() {
|
|
|
+ var element = this.element,
|
|
|
+ crossOrigin = this.crossOrigin;
|
|
|
+ var preview = this.options.preview;
|
|
|
+ var url = crossOrigin ? this.crossOriginUrl : this.url;
|
|
|
+ var alt = element.alt || 'The image to preview';
|
|
|
+ var image = document.createElement('img');
|
|
|
+
|
|
|
+ if (crossOrigin) {
|
|
|
+ image.crossOrigin = crossOrigin;
|
|
|
+ }
|
|
|
+
|
|
|
+ image.src = url;
|
|
|
+ image.alt = alt;
|
|
|
+ this.viewBox.appendChild(image);
|
|
|
+ this.viewBoxImage = image;
|
|
|
+
|
|
|
+ if (!preview) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var previews = preview;
|
|
|
+
|
|
|
+ if (typeof preview === 'string') {
|
|
|
+ previews = element.ownerDocument.querySelectorAll(preview);
|
|
|
+ } else if (preview.querySelector) {
|
|
|
+ previews = [preview];
|
|
|
+ }
|
|
|
+
|
|
|
+ this.previews = previews;
|
|
|
+ forEach(previews, function (el) {
|
|
|
+ var img = document.createElement('img'); // Save the original size for recover
|
|
|
+
|
|
|
+ setData(el, DATA_PREVIEW, {
|
|
|
+ width: el.offsetWidth,
|
|
|
+ height: el.offsetHeight,
|
|
|
+ html: el.innerHTML
|
|
|
+ });
|
|
|
+
|
|
|
+ if (crossOrigin) {
|
|
|
+ img.crossOrigin = crossOrigin;
|
|
|
+ }
|
|
|
+
|
|
|
+ img.src = url;
|
|
|
+ img.alt = alt;
|
|
|
+ /**
|
|
|
+ * Override img element styles
|
|
|
+ * Add `display:block` to avoid margin top issue
|
|
|
+ * Add `height:auto` to override `height` attribute on IE8
|
|
|
+ * (Occur only when margin-top <= -height)
|
|
|
+ */
|
|
|
+
|
|
|
+ img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
|
|
|
+ el.innerHTML = '';
|
|
|
+ el.appendChild(img);
|
|
|
+ });
|
|
|
+ },
|
|
|
+ resetPreview: function resetPreview() {
|
|
|
+ forEach(this.previews, function (element) {
|
|
|
+ var data = getData(element, DATA_PREVIEW);
|
|
|
+ setStyle(element, {
|
|
|
+ width: data.width,
|
|
|
+ height: data.height
|
|
|
+ });
|
|
|
+ element.innerHTML = data.html;
|
|
|
+ removeData(element, DATA_PREVIEW);
|
|
|
+ });
|
|
|
+ },
|
|
|
+ preview: function preview() {
|
|
|
+ var imageData = this.imageData,
|
|
|
+ canvasData = this.canvasData,
|
|
|
+ cropBoxData = this.cropBoxData;
|
|
|
+ var cropBoxWidth = cropBoxData.width,
|
|
|
+ cropBoxHeight = cropBoxData.height;
|
|
|
+ var width = imageData.width,
|
|
|
+ height = imageData.height;
|
|
|
+ var left = cropBoxData.left - canvasData.left - imageData.left;
|
|
|
+ var top = cropBoxData.top - canvasData.top - imageData.top;
|
|
|
+
|
|
|
+ if (!this.cropped || this.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ setStyle(this.viewBoxImage, assign({
|
|
|
+ width: width,
|
|
|
+ height: height
|
|
|
+ }, getTransforms(assign({
|
|
|
+ translateX: -left,
|
|
|
+ translateY: -top
|
|
|
+ }, imageData))));
|
|
|
+ forEach(this.previews, function (element) {
|
|
|
+ var data = getData(element, DATA_PREVIEW);
|
|
|
+ var originalWidth = data.width;
|
|
|
+ var originalHeight = data.height;
|
|
|
+ var newWidth = originalWidth;
|
|
|
+ var newHeight = originalHeight;
|
|
|
+ var ratio = 1;
|
|
|
+
|
|
|
+ if (cropBoxWidth) {
|
|
|
+ ratio = originalWidth / cropBoxWidth;
|
|
|
+ newHeight = cropBoxHeight * ratio;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (cropBoxHeight && newHeight > originalHeight) {
|
|
|
+ ratio = originalHeight / cropBoxHeight;
|
|
|
+ newWidth = cropBoxWidth * ratio;
|
|
|
+ newHeight = originalHeight;
|
|
|
+ }
|
|
|
+
|
|
|
+ setStyle(element, {
|
|
|
+ width: newWidth,
|
|
|
+ height: newHeight
|
|
|
+ });
|
|
|
+ setStyle(element.getElementsByTagName('img')[0], assign({
|
|
|
+ width: width * ratio,
|
|
|
+ height: height * ratio
|
|
|
+ }, getTransforms(assign({
|
|
|
+ translateX: -left * ratio,
|
|
|
+ translateY: -top * ratio
|
|
|
+ }, imageData))));
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ 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 = this.cropStart.bind(this));
|
|
|
+
|
|
|
+ if (options.zoomable && options.zoomOnWheel) {
|
|
|
+ addListener(cropper, EVENT_WHEEL, this.onWheel = this.wheel.bind(this), {
|
|
|
+ passive: false,
|
|
|
+ capture: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.toggleDragModeOnDblclick) {
|
|
|
+ addListener(cropper, EVENT_DBLCLICK, this.onDblclick = this.dblclick.bind(this));
|
|
|
+ }
|
|
|
+
|
|
|
+ addListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove = this.cropMove.bind(this));
|
|
|
+ addListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd = this.cropEnd.bind(this));
|
|
|
+
|
|
|
+ if (options.responsive) {
|
|
|
+ addListener(window, EVENT_RESIZE, this.onResize = this.resize.bind(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, {
|
|
|
+ passive: false,
|
|
|
+ capture: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ 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() {
|
|
|
+ if (this.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ container = this.container,
|
|
|
+ containerData = this.containerData;
|
|
|
+ var ratio = container.offsetWidth / containerData.width; // Resize when width changed or height changed
|
|
|
+
|
|
|
+ if (ratio !== 1 || container.offsetHeight !== containerData.height) {
|
|
|
+ var canvasData;
|
|
|
+ var cropBoxData;
|
|
|
+
|
|
|
+ if (options.restore) {
|
|
|
+ canvasData = this.getCanvasData();
|
|
|
+ cropBoxData = this.getCropBoxData();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.render();
|
|
|
+
|
|
|
+ if (options.restore) {
|
|
|
+ this.setCanvasData(forEach(canvasData, function (n, i) {
|
|
|
+ canvasData[i] = n * ratio;
|
|
|
+ }));
|
|
|
+ this.setCropBoxData(forEach(cropBoxData, function (n, i) {
|
|
|
+ cropBoxData[i] = n * ratio;
|
|
|
+ }));
|
|
|
+ }
|
|
|
+ }
|
|
|
+ },
|
|
|
+ dblclick: function dblclick() {
|
|
|
+ if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
|
|
|
+ },
|
|
|
+ wheel: function wheel(event) {
|
|
|
+ var _this = this;
|
|
|
+
|
|
|
+ var ratio = Number(this.options.wheelZoomRatio) || 0.1;
|
|
|
+ var delta = 1;
|
|
|
+
|
|
|
+ if (this.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ event.preventDefault(); // Limit wheel speed to prevent zoom too fast (#21)
|
|
|
+
|
|
|
+ if (this.wheeling) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.wheeling = true;
|
|
|
+ setTimeout(function () {
|
|
|
+ _this.wheeling = false;
|
|
|
+ }, 50);
|
|
|
+
|
|
|
+ if (event.deltaY) {
|
|
|
+ delta = event.deltaY > 0 ? 1 : -1;
|
|
|
+ } else if (event.wheelDelta) {
|
|
|
+ delta = -event.wheelDelta / 120;
|
|
|
+ } else if (event.detail) {
|
|
|
+ delta = event.detail > 0 ? 1 : -1;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.zoom(-delta * ratio, event);
|
|
|
+ },
|
|
|
+ cropStart: function cropStart(event) {
|
|
|
+ var buttons = event.buttons,
|
|
|
+ button = event.button;
|
|
|
+
|
|
|
+ if (this.disabled // Handle mouse event and pointer event and ignore touch event
|
|
|
+ || (event.type === 'mousedown' || event.type === 'pointerdown' && event.pointerType === 'mouse') && ( // No primary button (Usually the left button)
|
|
|
+ isNumber(buttons) && buttons !== 1 || isNumber(button) && button !== 0 // Open context menu
|
|
|
+ || event.ctrlKey)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options,
|
|
|
+ pointers = this.pointers;
|
|
|
+ var action;
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ // Handle touch event
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ pointers[touch.identifier] = getPointer(touch);
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ // Handle mouse event and pointer event
|
|
|
+ pointers[event.pointerId || 0] = getPointer(event);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
|
|
|
+ action = ACTION_ZOOM;
|
|
|
+ } else {
|
|
|
+ action = getData(event.target, DATA_ACTION);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!REGEXP_ACTIONS.test(action)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (dispatchEvent(this.element, EVENT_CROP_START, {
|
|
|
+ originalEvent: event,
|
|
|
+ action: action
|
|
|
+ }) === false) {
|
|
|
+ return;
|
|
|
+ } // This line is required for preventing page zooming in iOS browsers
|
|
|
+
|
|
|
+
|
|
|
+ event.preventDefault();
|
|
|
+ this.action = action;
|
|
|
+ this.cropping = false;
|
|
|
+
|
|
|
+ if (action === ACTION_CROP) {
|
|
|
+ this.cropping = true;
|
|
|
+ addClass(this.dragBox, CLASS_MODAL);
|
|
|
+ }
|
|
|
+ },
|
|
|
+ cropMove: function cropMove(event) {
|
|
|
+ var action = this.action;
|
|
|
+
|
|
|
+ if (this.disabled || !action) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var pointers = this.pointers;
|
|
|
+ event.preventDefault();
|
|
|
+
|
|
|
+ if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
|
|
|
+ originalEvent: event,
|
|
|
+ action: action
|
|
|
+ }) === false) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ // The first parameter should not be undefined (#432)
|
|
|
+ assign(pointers[touch.identifier] || {}, getPointer(touch, true));
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ assign(pointers[event.pointerId || 0] || {}, getPointer(event, true));
|
|
|
+ }
|
|
|
+
|
|
|
+ this.change(event);
|
|
|
+ },
|
|
|
+ cropEnd: function cropEnd(event) {
|
|
|
+ if (this.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var action = this.action,
|
|
|
+ pointers = this.pointers;
|
|
|
+
|
|
|
+ if (event.changedTouches) {
|
|
|
+ forEach(event.changedTouches, function (touch) {
|
|
|
+ delete pointers[touch.identifier];
|
|
|
+ });
|
|
|
+ } else {
|
|
|
+ delete pointers[event.pointerId || 0];
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!action) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ event.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: event,
|
|
|
+ action: action
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var change = {
|
|
|
+ change: function change(event) {
|
|
|
+ var options = this.options,
|
|
|
+ canvasData = this.canvasData,
|
|
|
+ containerData = this.containerData,
|
|
|
+ cropBoxData = this.cropBoxData,
|
|
|
+ pointers = this.pointers;
|
|
|
+ var action = this.action;
|
|
|
+ var aspectRatio = options.aspectRatio;
|
|
|
+ var left = cropBoxData.left,
|
|
|
+ top = cropBoxData.top,
|
|
|
+ width = cropBoxData.width,
|
|
|
+ height = cropBoxData.height;
|
|
|
+ var right = left + width;
|
|
|
+ var bottom = top + height;
|
|
|
+ var minLeft = 0;
|
|
|
+ var minTop = 0;
|
|
|
+ var maxWidth = containerData.width;
|
|
|
+ var maxHeight = containerData.height;
|
|
|
+ var renderable = true;
|
|
|
+ var offset; // Locking aspect ratio in "free mode" by holding shift key
|
|
|
+
|
|
|
+ if (!aspectRatio && event.shiftKey) {
|
|
|
+ aspectRatio = width && height ? width / height : 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (this.limited) {
|
|
|
+ minLeft = cropBoxData.minLeft;
|
|
|
+ minTop = cropBoxData.minTop;
|
|
|
+ maxWidth = minLeft + Math.min(containerData.width, canvasData.width, canvasData.left + canvasData.width);
|
|
|
+ maxHeight = minTop + Math.min(containerData.height, canvasData.height, canvasData.top + canvasData.height);
|
|
|
+ }
|
|
|
+
|
|
|
+ var pointer = pointers[Object.keys(pointers)[0]];
|
|
|
+ var range = {
|
|
|
+ x: pointer.endX - pointer.startX,
|
|
|
+ y: pointer.endY - pointer.startY
|
|
|
+ };
|
|
|
+
|
|
|
+ var check = function check(side) {
|
|
|
+ switch (side) {
|
|
|
+ case ACTION_EAST:
|
|
|
+ if (right + range.x > maxWidth) {
|
|
|
+ range.x = maxWidth - right;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ 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 (width < 0) {
|
|
|
+ action = ACTION_WEST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (aspectRatio) {
|
|
|
+ height = width / aspectRatio;
|
|
|
+ top += (cropBoxData.height - height) / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 (height < 0) {
|
|
|
+ action = ACTION_SOUTH;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (aspectRatio) {
|
|
|
+ width = height * aspectRatio;
|
|
|
+ left += (cropBoxData.width - width) / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 (width < 0) {
|
|
|
+ action = ACTION_EAST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (aspectRatio) {
|
|
|
+ height = width / aspectRatio;
|
|
|
+ top += (cropBoxData.height - height) / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 (height < 0) {
|
|
|
+ action = ACTION_NORTH;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (aspectRatio) {
|
|
|
+ width = height * aspectRatio;
|
|
|
+ left += (cropBoxData.width - width) / 2;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 = -height;
|
|
|
+ width = -width;
|
|
|
+ top -= height;
|
|
|
+ left -= width;
|
|
|
+ } else if (width < 0) {
|
|
|
+ action = ACTION_NORTH_WEST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ } else if (height < 0) {
|
|
|
+ action = ACTION_SOUTH_EAST;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 += cropBoxData.width - width;
|
|
|
+ } 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 = -height;
|
|
|
+ width = -width;
|
|
|
+ top -= height;
|
|
|
+ left -= width;
|
|
|
+ } else if (width < 0) {
|
|
|
+ action = ACTION_NORTH_EAST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ } else if (height < 0) {
|
|
|
+ action = ACTION_SOUTH_WEST;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 = -height;
|
|
|
+ width = -width;
|
|
|
+ top -= height;
|
|
|
+ left -= width;
|
|
|
+ } else if (width < 0) {
|
|
|
+ action = ACTION_SOUTH_EAST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ } else if (height < 0) {
|
|
|
+ action = ACTION_NORTH_WEST;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 = -height;
|
|
|
+ width = -width;
|
|
|
+ top -= height;
|
|
|
+ left -= width;
|
|
|
+ } else if (width < 0) {
|
|
|
+ action = ACTION_SOUTH_WEST;
|
|
|
+ width = -width;
|
|
|
+ left -= width;
|
|
|
+ } else if (height < 0) {
|
|
|
+ action = ACTION_NORTH_EAST;
|
|
|
+ height = -height;
|
|
|
+ top -= height;
|
|
|
+ }
|
|
|
+
|
|
|
+ break;
|
|
|
+ // Move canvas
|
|
|
+
|
|
|
+ case ACTION_MOVE:
|
|
|
+ this.move(range.x, range.y);
|
|
|
+ renderable = false;
|
|
|
+ break;
|
|
|
+ // Zoom canvas
|
|
|
+
|
|
|
+ case ACTION_ZOOM:
|
|
|
+ this.zoom(getMaxZoomRatio(pointers), event);
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (renderable) {
|
|
|
+ cropBoxData.width = width;
|
|
|
+ cropBoxData.height = height;
|
|
|
+ cropBoxData.left = left;
|
|
|
+ cropBoxData.top = top;
|
|
|
+ this.action = action;
|
|
|
+ this.renderCropBox();
|
|
|
+ } // Override
|
|
|
+
|
|
|
+
|
|
|
+ forEach(pointers, function (p) {
|
|
|
+ p.startX = p.endX;
|
|
|
+ p.startY = p.endY;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var methods = {
|
|
|
+ // Show the crop box manually
|
|
|
+ crop: function crop() {
|
|
|
+ if (this.ready && !this.cropped && !this.disabled) {
|
|
|
+ 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 = assign({}, this.initialImageData);
|
|
|
+ this.canvasData = assign({}, this.initialCanvasData);
|
|
|
+ this.cropBoxData = assign({}, this.initialCropBoxData);
|
|
|
+ this.renderCanvas();
|
|
|
+
|
|
|
+ if (this.cropped) {
|
|
|
+ this.renderCropBox();
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Clear the crop box
|
|
|
+ clear: function clear() {
|
|
|
+ if (this.cropped && !this.disabled) {
|
|
|
+ assign(this.cropBoxData, {
|
|
|
+ left: 0,
|
|
|
+ top: 0,
|
|
|
+ width: 0,
|
|
|
+ height: 0
|
|
|
+ });
|
|
|
+ this.cropped = false;
|
|
|
+ this.renderCropBox();
|
|
|
+ this.limitCanvas(true, true); // Render canvas after crop box rendered
|
|
|
+
|
|
|
+ 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} [hasSameSize] - Indicate if the new image has the same size as the old one.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ replace: function replace(url) {
|
|
|
+ var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
|
|
|
+
|
|
|
+ if (!this.disabled && url) {
|
|
|
+ if (this.isImg) {
|
|
|
+ this.element.src = url;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (hasSameSize) {
|
|
|
+ this.url = url;
|
|
|
+ this.image.src = url;
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ this.viewBoxImage.src = url;
|
|
|
+ forEach(this.previews, function (element) {
|
|
|
+ element.getElementsByTagName('img')[0].src = url;
|
|
|
+ });
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ if (this.isImg) {
|
|
|
+ this.replaced = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.options.data = null;
|
|
|
+ this.uncreate();
|
|
|
+ this.load(url);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Enable (unfreeze) the cropper
|
|
|
+ enable: function enable() {
|
|
|
+ if (this.ready && this.disabled) {
|
|
|
+ this.disabled = false;
|
|
|
+ removeClass(this.cropper, CLASS_DISABLED);
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+ // Disable (freeze) the cropper
|
|
|
+ disable: function disable() {
|
|
|
+ if (this.ready && !this.disabled) {
|
|
|
+ this.disabled = true;
|
|
|
+ addClass(this.cropper, CLASS_DISABLED);
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Destroy the cropper and remove the instance from the image
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ destroy: function destroy() {
|
|
|
+ var element = this.element;
|
|
|
+
|
|
|
+ if (!element[NAMESPACE]) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ element[NAMESPACE] = undefined;
|
|
|
+
|
|
|
+ if (this.isImg && this.replaced) {
|
|
|
+ element.src = this.originalUrl;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.uncreate();
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Move the canvas with relative offsets
|
|
|
+ * @param {number} offsetX - The relative offset distance on the x-axis.
|
|
|
+ * @param {number} [offsetY=offsetX] - The relative offset distance on the y-axis.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ move: function move(offsetX) {
|
|
|
+ var offsetY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : offsetX;
|
|
|
+ var _this$canvasData = this.canvasData,
|
|
|
+ left = _this$canvasData.left,
|
|
|
+ top = _this$canvasData.top;
|
|
|
+ return this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Move the canvas to an absolute point
|
|
|
+ * @param {number} x - The x-axis coordinate.
|
|
|
+ * @param {number} [y=x] - The y-axis coordinate.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ moveTo: function moveTo(x) {
|
|
|
+ var y = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : x;
|
|
|
+ var canvasData = this.canvasData;
|
|
|
+ var changed = false;
|
|
|
+ x = Number(x);
|
|
|
+ y = Number(y);
|
|
|
+
|
|
|
+ if (this.ready && !this.disabled && this.options.movable) {
|
|
|
+ if (isNumber(x)) {
|
|
|
+ canvasData.left = x;
|
|
|
+ changed = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (isNumber(y)) {
|
|
|
+ canvasData.top = y;
|
|
|
+ changed = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 {Cropper} this
|
|
|
+ */
|
|
|
+ zoom: function zoom(ratio, _originalEvent) {
|
|
|
+ var canvasData = this.canvasData;
|
|
|
+ ratio = Number(ratio);
|
|
|
+
|
|
|
+ if (ratio < 0) {
|
|
|
+ ratio = 1 / (1 - ratio);
|
|
|
+ } else {
|
|
|
+ ratio = 1 + ratio;
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.zoomTo(canvasData.width * ratio / canvasData.naturalWidth, null, _originalEvent);
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Zoom the canvas to an absolute ratio
|
|
|
+ * @param {number} ratio - The target ratio.
|
|
|
+ * @param {Object} pivot - The zoom pivot point coordinate.
|
|
|
+ * @param {Event} _originalEvent - The original event if any.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ zoomTo: function zoomTo(ratio, pivot, _originalEvent) {
|
|
|
+ var options = this.options,
|
|
|
+ canvasData = this.canvasData;
|
|
|
+ var width = canvasData.width,
|
|
|
+ height = canvasData.height,
|
|
|
+ naturalWidth = canvasData.naturalWidth,
|
|
|
+ naturalHeight = canvasData.naturalHeight;
|
|
|
+ ratio = Number(ratio);
|
|
|
+
|
|
|
+ if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
|
|
|
+ var newWidth = naturalWidth * ratio;
|
|
|
+ var newHeight = naturalHeight * ratio;
|
|
|
+
|
|
|
+ if (dispatchEvent(this.element, EVENT_ZOOM, {
|
|
|
+ ratio: ratio,
|
|
|
+ oldRatio: width / naturalWidth,
|
|
|
+ originalEvent: _originalEvent
|
|
|
+ }) === false) {
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 {Cropper} this
|
|
|
+ */
|
|
|
+ rotate: function rotate(degree) {
|
|
|
+ return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Rotate the canvas to an absolute degree
|
|
|
+ * @param {number} degree - The rotate degree.
|
|
|
+ * @returns {Cropper} 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 {Cropper} this
|
|
|
+ */
|
|
|
+ scaleX: function scaleX(_scaleX) {
|
|
|
+ var scaleY = this.imageData.scaleY;
|
|
|
+ return this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Scale the image on the y-axis.
|
|
|
+ * @param {number} scaleY - The scale ratio on the y-axis.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ scaleY: function scaleY(_scaleY) {
|
|
|
+ var scaleX = this.imageData.scaleX;
|
|
|
+ return this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Scale the image
|
|
|
+ * @param {number} scaleX - The scale ratio on the x-axis.
|
|
|
+ * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ scale: function scale(scaleX) {
|
|
|
+ var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
|
|
|
+ var imageData = this.imageData;
|
|
|
+ var transformed = false;
|
|
|
+ scaleX = Number(scaleX);
|
|
|
+ scaleY = Number(scaleY);
|
|
|
+
|
|
|
+ if (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() {
|
|
|
+ var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
|
|
|
+ var options = this.options,
|
|
|
+ imageData = this.imageData,
|
|
|
+ canvasData = this.canvasData,
|
|
|
+ cropBoxData = this.cropBoxData;
|
|
|
+ var data;
|
|
|
+
|
|
|
+ if (this.ready && this.cropped) {
|
|
|
+ data = {
|
|
|
+ x: cropBoxData.left - canvasData.left,
|
|
|
+ y: cropBoxData.top - canvasData.top,
|
|
|
+ width: cropBoxData.width,
|
|
|
+ height: cropBoxData.height
|
|
|
+ };
|
|
|
+ var ratio = imageData.width / imageData.naturalWidth;
|
|
|
+ forEach(data, function (n, i) {
|
|
|
+ data[i] = n / ratio;
|
|
|
+ });
|
|
|
+
|
|
|
+ if (rounded) {
|
|
|
+ // In case rounding off leads to extra 1px in right or bottom border
|
|
|
+ // we should round the top-left corner and the dimension (#343).
|
|
|
+ var bottom = Math.round(data.y + data.height);
|
|
|
+ var right = Math.round(data.x + data.width);
|
|
|
+ data.x = Math.round(data.x);
|
|
|
+ data.y = Math.round(data.y);
|
|
|
+ data.width = right - data.x;
|
|
|
+ data.height = bottom - data.y;
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ data = {
|
|
|
+ x: 0,
|
|
|
+ y: 0,
|
|
|
+ width: 0,
|
|
|
+ height: 0
|
|
|
+ };
|
|
|
+ }
|
|
|
+
|
|
|
+ if (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 {Cropper} this
|
|
|
+ */
|
|
|
+ setData: function setData(data) {
|
|
|
+ var options = this.options,
|
|
|
+ imageData = this.imageData,
|
|
|
+ canvasData = this.canvasData;
|
|
|
+ var cropBoxData = {};
|
|
|
+
|
|
|
+ if (this.ready && !this.disabled && isPlainObject(data)) {
|
|
|
+ var transformed = false;
|
|
|
+
|
|
|
+ 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 ? assign({}, this.containerData) : {};
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get the image position and size data.
|
|
|
+ * @returns {Object} The result image data.
|
|
|
+ */
|
|
|
+ getImageData: function getImageData() {
|
|
|
+ return this.sized ? assign({}, this.imageData) : {};
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Get the canvas position and size data.
|
|
|
+ * @returns {Object} The result canvas data.
|
|
|
+ */
|
|
|
+ getCanvasData: function getCanvasData() {
|
|
|
+ var canvasData = this.canvasData;
|
|
|
+ var data = {};
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ forEach(['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 {Cropper} this
|
|
|
+ */
|
|
|
+ setCanvasData: function setCanvasData(data) {
|
|
|
+ var canvasData = this.canvasData;
|
|
|
+ var aspectRatio = canvasData.aspectRatio;
|
|
|
+
|
|
|
+ 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;
|
|
|
+
|
|
|
+ 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 {Cropper} this
|
|
|
+ */
|
|
|
+ setCropBoxData: function setCropBoxData(data) {
|
|
|
+ var cropBoxData = this.cropBoxData;
|
|
|
+ var aspectRatio = this.options.aspectRatio;
|
|
|
+ var widthChanged;
|
|
|
+ var heightChanged;
|
|
|
+
|
|
|
+ if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
|
|
|
+ if (isNumber(data.left)) {
|
|
|
+ cropBoxData.left = data.left;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 _this$getData = this.getData(),
|
|
|
+ initialX = _this$getData.x,
|
|
|
+ initialY = _this$getData.y,
|
|
|
+ initialWidth = _this$getData.width,
|
|
|
+ initialHeight = _this$getData.height;
|
|
|
+
|
|
|
+ var ratio = source.width / Math.floor(canvasData.naturalWidth);
|
|
|
+
|
|
|
+ if (ratio !== 1) {
|
|
|
+ initialX *= ratio;
|
|
|
+ initialY *= ratio;
|
|
|
+ initialWidth *= ratio;
|
|
|
+ initialHeight *= ratio;
|
|
|
+ }
|
|
|
+
|
|
|
+ var aspectRatio = initialWidth / initialHeight;
|
|
|
+ var maxSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: options.maxWidth || Infinity,
|
|
|
+ height: options.maxHeight || Infinity
|
|
|
+ });
|
|
|
+ var minSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: options.minWidth || 0,
|
|
|
+ height: options.minHeight || 0
|
|
|
+ }, 'cover');
|
|
|
+
|
|
|
+ var _getAdjustedSizes = getAdjustedSizes({
|
|
|
+ aspectRatio: aspectRatio,
|
|
|
+ width: options.width || (ratio !== 1 ? source.width : initialWidth),
|
|
|
+ height: options.height || (ratio !== 1 ? source.height : initialHeight)
|
|
|
+ }),
|
|
|
+ width = _getAdjustedSizes.width,
|
|
|
+ height = _getAdjustedSizes.height;
|
|
|
+
|
|
|
+ width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
|
|
|
+ height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
|
|
|
+ var canvas = document.createElement('canvas');
|
|
|
+ var context = canvas.getContext('2d');
|
|
|
+ canvas.width = normalizeDecimalNumber(width);
|
|
|
+ canvas.height = normalizeDecimalNumber(height);
|
|
|
+ context.fillStyle = options.fillColor || 'transparent';
|
|
|
+ context.fillRect(0, 0, width, height);
|
|
|
+ var _options$imageSmoothi = options.imageSmoothingEnabled,
|
|
|
+ imageSmoothingEnabled = _options$imageSmoothi === void 0 ? true : _options$imageSmoothi,
|
|
|
+ imageSmoothingQuality = options.imageSmoothingQuality;
|
|
|
+ context.imageSmoothingEnabled = imageSmoothingEnabled;
|
|
|
+
|
|
|
+ if (imageSmoothingQuality) {
|
|
|
+ context.imageSmoothingQuality = imageSmoothingQuality;
|
|
|
+ } // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
|
|
|
+
|
|
|
+
|
|
|
+ var sourceWidth = source.width;
|
|
|
+ var sourceHeight = source.height; // Source canvas parameters
|
|
|
+
|
|
|
+ var srcX = initialX;
|
|
|
+ var srcY = initialY;
|
|
|
+ var srcWidth;
|
|
|
+ var srcHeight; // Destination canvas parameters
|
|
|
+
|
|
|
+ var dstX;
|
|
|
+ var dstY;
|
|
|
+ var dstWidth;
|
|
|
+ var dstHeight;
|
|
|
+
|
|
|
+ if (srcX <= -initialWidth || srcX > sourceWidth) {
|
|
|
+ srcX = 0;
|
|
|
+ srcWidth = 0;
|
|
|
+ dstX = 0;
|
|
|
+ dstWidth = 0;
|
|
|
+ } else if (srcX <= 0) {
|
|
|
+ dstX = -srcX;
|
|
|
+ srcX = 0;
|
|
|
+ srcWidth = Math.min(sourceWidth, initialWidth + srcX);
|
|
|
+ dstWidth = srcWidth;
|
|
|
+ } else if (srcX <= sourceWidth) {
|
|
|
+ dstX = 0;
|
|
|
+ srcWidth = Math.min(initialWidth, sourceWidth - srcX);
|
|
|
+ dstWidth = srcWidth;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
|
|
|
+ srcY = 0;
|
|
|
+ srcHeight = 0;
|
|
|
+ dstY = 0;
|
|
|
+ dstHeight = 0;
|
|
|
+ } else if (srcY <= 0) {
|
|
|
+ dstY = -srcY;
|
|
|
+ srcY = 0;
|
|
|
+ srcHeight = Math.min(sourceHeight, initialHeight + srcY);
|
|
|
+ dstHeight = srcHeight;
|
|
|
+ } else if (srcY <= sourceHeight) {
|
|
|
+ dstY = 0;
|
|
|
+ srcHeight = Math.min(initialHeight, sourceHeight - srcY);
|
|
|
+ dstHeight = srcHeight;
|
|
|
+ }
|
|
|
+
|
|
|
+ var params = [srcX, srcY, srcWidth, srcHeight]; // Avoid "IndexSizeError"
|
|
|
+
|
|
|
+ if (dstWidth > 0 && dstHeight > 0) {
|
|
|
+ var scale = width / initialWidth;
|
|
|
+ params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
|
|
|
+ } // All the numerical parameters should be integer for `drawImage`
|
|
|
+ // https://github.com/fengyuanchen/cropper/issues/476
|
|
|
+
|
|
|
+
|
|
|
+ context.drawImage.apply(context, [source].concat(_toConsumableArray(params.map(function (param) {
|
|
|
+ return Math.floor(normalizeDecimalNumber(param));
|
|
|
+ }))));
|
|
|
+ return canvas;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Change the aspect ratio of the crop box.
|
|
|
+ * @param {number} aspectRatio - The new aspect ratio.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ setAspectRatio: function setAspectRatio(aspectRatio) {
|
|
|
+ var options = this.options;
|
|
|
+
|
|
|
+ if (!this.disabled && !isUndefined(aspectRatio)) {
|
|
|
+ // 0 -> NaN
|
|
|
+ options.aspectRatio = Math.max(0, aspectRatio) || NaN;
|
|
|
+
|
|
|
+ if (this.ready) {
|
|
|
+ this.initCropBox();
|
|
|
+
|
|
|
+ if (this.cropped) {
|
|
|
+ this.renderCropBox();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ },
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Change the drag mode.
|
|
|
+ * @param {string} mode - The new drag mode.
|
|
|
+ * @returns {Cropper} this
|
|
|
+ */
|
|
|
+ setDragMode: function setDragMode(mode) {
|
|
|
+ var options = this.options,
|
|
|
+ dragBox = this.dragBox,
|
|
|
+ face = this.face;
|
|
|
+
|
|
|
+ if (this.ready && !this.disabled) {
|
|
|
+ var croppable = mode === DRAG_MODE_CROP;
|
|
|
+ var movable = options.movable && mode === DRAG_MODE_MOVE;
|
|
|
+ mode = croppable || movable ? mode : DRAG_MODE_NONE;
|
|
|
+ options.dragMode = mode;
|
|
|
+ setData(dragBox, DATA_ACTION, mode);
|
|
|
+ toggleClass(dragBox, CLASS_CROP, croppable);
|
|
|
+ toggleClass(dragBox, CLASS_MOVE, movable);
|
|
|
+
|
|
|
+ if (!options.cropBoxMovable) {
|
|
|
+ // Sync drag mode to crop box when it is not movable
|
|
|
+ setData(face, DATA_ACTION, mode);
|
|
|
+ toggleClass(face, CLASS_CROP, croppable);
|
|
|
+ toggleClass(face, CLASS_MOVE, movable);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return this;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ var AnotherCropper = WINDOW.Cropper;
|
|
|
+
|
|
|
+ var Cropper = /*#__PURE__*/function () {
|
|
|
+ /**
|
|
|
+ * Create a new Cropper.
|
|
|
+ * @param {Element} element - The target element for cropping.
|
|
|
+ * @param {Object} [options={}] - The configuration options.
|
|
|
+ */
|
|
|
+ function Cropper(element) {
|
|
|
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
|
|
|
+
|
|
|
+ _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 = assign({}, DEFAULTS, isPlainObject(options) && options);
|
|
|
+ this.cropped = false;
|
|
|
+ this.disabled = false;
|
|
|
+ this.pointers = {};
|
|
|
+ this.ready = false;
|
|
|
+ this.reloading = false;
|
|
|
+ this.replaced = false;
|
|
|
+ this.sized = false;
|
|
|
+ this.sizing = false;
|
|
|
+ this.init();
|
|
|
+ }
|
|
|
+
|
|
|
+ _createClass(Cropper, [{
|
|
|
+ key: "init",
|
|
|
+ value: function init() {
|
|
|
+ var element = this.element;
|
|
|
+ var tagName = element.tagName.toLowerCase();
|
|
|
+ var url;
|
|
|
+
|
|
|
+ if (element[NAMESPACE]) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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.: "https://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.rotatable && !options.scalable) {
|
|
|
+ options.checkOrientation = false;
|
|
|
+ } // Only IE10+ supports Typed Arrays
|
|
|
+
|
|
|
+
|
|
|
+ if (!options.checkOrientation || !window.ArrayBuffer) {
|
|
|
+ this.clone();
|
|
|
+ return;
|
|
|
+ } // Detect the mime type of the image directly if it is a Data URL
|
|
|
+
|
|
|
+
|
|
|
+ if (REGEXP_DATA_URL.test(url)) {
|
|
|
+ // Read ArrayBuffer from Data URL of JPEG images directly for better performance
|
|
|
+ if (REGEXP_DATA_URL_JPEG.test(url)) {
|
|
|
+ this.read(dataURLToArrayBuffer(url));
|
|
|
+ } else {
|
|
|
+ // Only a JPEG image may contains Exif Orientation information,
|
|
|
+ // the rest types of Data URLs are not necessary to check orientation at all.
|
|
|
+ this.clone();
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ } // 1. Detect the mime type of the image by a XMLHttpRequest.
|
|
|
+ // 2. Load the image as ArrayBuffer for reading orientation if its a JPEG image.
|
|
|
+
|
|
|
+
|
|
|
+ var xhr = new XMLHttpRequest();
|
|
|
+ var clone = this.clone.bind(this);
|
|
|
+ this.reloading = true;
|
|
|
+ this.xhr = xhr; // 1. Cross origin requests are only supported for protocol schemes:
|
|
|
+ // http, https, data, chrome, chrome-extension.
|
|
|
+ // 2. Access to XMLHttpRequest from a Data URL will be blocked by CORS policy
|
|
|
+ // in some browsers as IE11 and Safari.
|
|
|
+
|
|
|
+ xhr.onabort = clone;
|
|
|
+ xhr.onerror = clone;
|
|
|
+ xhr.ontimeout = clone;
|
|
|
+
|
|
|
+ xhr.onprogress = function () {
|
|
|
+ // Abort the request directly if it not a JPEG image for better performance
|
|
|
+ if (xhr.getResponseHeader('content-type') !== MIME_TYPE_JPEG) {
|
|
|
+ xhr.abort();
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ xhr.onload = function () {
|
|
|
+ _this.read(xhr.response);
|
|
|
+ };
|
|
|
+
|
|
|
+ xhr.onloadend = function () {
|
|
|
+ _this.reloading = false;
|
|
|
+ _this.xhr = null;
|
|
|
+ }; // Bust cache when there is a "crossOrigin" property to avoid browser cache error
|
|
|
+
|
|
|
+
|
|
|
+ if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {
|
|
|
+ url = addTimestamp(url);
|
|
|
+ }
|
|
|
+
|
|
|
+ xhr.open('GET', url);
|
|
|
+ xhr.responseType = 'arraybuffer';
|
|
|
+ xhr.withCredentials = element.crossOrigin === 'use-credentials';
|
|
|
+ xhr.send();
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "read",
|
|
|
+ value: function read(arrayBuffer) {
|
|
|
+ var options = this.options,
|
|
|
+ imageData = this.imageData; // Reset the orientation value to its default value 1
|
|
|
+ // as some iOS browsers will render image with its orientation
|
|
|
+
|
|
|
+ var orientation = resetAndGetOrientation(arrayBuffer);
|
|
|
+ var rotate = 0;
|
|
|
+ var scaleX = 1;
|
|
|
+ var scaleY = 1;
|
|
|
+
|
|
|
+ if (orientation > 1) {
|
|
|
+ // Generate a new URL which has the default orientation value
|
|
|
+ this.url = arrayBufferToDataURL(arrayBuffer, MIME_TYPE_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 = element.crossOrigin;
|
|
|
+ var crossOriginUrl = url;
|
|
|
+
|
|
|
+ if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
|
|
|
+ if (!crossOrigin) {
|
|
|
+ crossOrigin = 'anonymous';
|
|
|
+ } // Bust cache when there is not a "crossOrigin" property (#519)
|
|
|
+
|
|
|
+
|
|
|
+ crossOriginUrl = addTimestamp(url);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.crossOrigin = crossOrigin;
|
|
|
+ this.crossOriginUrl = crossOriginUrl;
|
|
|
+ var image = document.createElement('img');
|
|
|
+
|
|
|
+ if (crossOrigin) {
|
|
|
+ image.crossOrigin = crossOrigin;
|
|
|
+ }
|
|
|
+
|
|
|
+ image.src = crossOriginUrl || url;
|
|
|
+ image.alt = element.alt || 'The image to crop';
|
|
|
+ this.image = image;
|
|
|
+ image.onload = this.start.bind(this);
|
|
|
+ image.onerror = this.stop.bind(this);
|
|
|
+ addClass(image, CLASS_HIDE);
|
|
|
+ element.parentNode.insertBefore(image, element.nextSibling);
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "start",
|
|
|
+ value: function start() {
|
|
|
+ var _this2 = this;
|
|
|
+
|
|
|
+ var image = this.image;
|
|
|
+ image.onload = null;
|
|
|
+ image.onerror = null;
|
|
|
+ this.sizing = true; // Match all browsers that use WebKit as the layout engine in iOS devices,
|
|
|
+ // such as Safari for iOS, Chrome for iOS, and in-app browsers.
|
|
|
+
|
|
|
+ var isIOSWebKit = WINDOW.navigator && /(?:iPad|iPhone|iPod).*?AppleWebKit/i.test(WINDOW.navigator.userAgent);
|
|
|
+
|
|
|
+ var done = function done(naturalWidth, naturalHeight) {
|
|
|
+ assign(_this2.imageData, {
|
|
|
+ naturalWidth: naturalWidth,
|
|
|
+ naturalHeight: naturalHeight,
|
|
|
+ aspectRatio: naturalWidth / naturalHeight
|
|
|
+ });
|
|
|
+ _this2.sizing = false;
|
|
|
+ _this2.sized = true;
|
|
|
+
|
|
|
+ _this2.build();
|
|
|
+ }; // Most modern browsers (excepts iOS WebKit)
|
|
|
+
|
|
|
+
|
|
|
+ if (image.naturalWidth && !isIOSWebKit) {
|
|
|
+ done(image.naturalWidth, image.naturalHeight);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var sizingImage = document.createElement('img');
|
|
|
+ var body = document.body || document.documentElement;
|
|
|
+ this.sizingImage = sizingImage;
|
|
|
+
|
|
|
+ sizingImage.onload = function () {
|
|
|
+ done(sizingImage.width, sizingImage.height);
|
|
|
+
|
|
|
+ if (!isIOSWebKit) {
|
|
|
+ body.removeChild(sizingImage);
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ sizingImage.src = image.src; // iOS WebKit will convert the image automatically
|
|
|
+ // with its orientation once append it into DOM (#279)
|
|
|
+
|
|
|
+ if (!isIOSWebKit) {
|
|
|
+ sizingImage.style.cssText = 'left:0;' + 'max-height:none!important;' + 'max-width:none!important;' + 'min-height:0!important;' + 'min-width:0!important;' + 'opacity:0;' + 'position:absolute;' + 'top:0;' + 'z-index:-1;';
|
|
|
+ body.appendChild(sizingImage);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "stop",
|
|
|
+ value: function stop() {
|
|
|
+ var image = this.image;
|
|
|
+ image.onload = null;
|
|
|
+ image.onerror = null;
|
|
|
+ image.parentNode.removeChild(image);
|
|
|
+ this.image = null;
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "build",
|
|
|
+ value: function build() {
|
|
|
+ if (!this.sized || this.ready) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ var element = this.element,
|
|
|
+ options = this.options,
|
|
|
+ image = this.image; // Create cropper elements
|
|
|
+
|
|
|
+ var container = element.parentNode;
|
|
|
+ var template = document.createElement('div');
|
|
|
+ template.innerHTML = TEMPLATE;
|
|
|
+ var cropper = template.querySelector(".".concat(NAMESPACE, "-container"));
|
|
|
+ var canvas = cropper.querySelector(".".concat(NAMESPACE, "-canvas"));
|
|
|
+ var dragBox = cropper.querySelector(".".concat(NAMESPACE, "-drag-box"));
|
|
|
+ var cropBox = cropper.querySelector(".".concat(NAMESPACE, "-crop-box"));
|
|
|
+ var face = cropBox.querySelector(".".concat(NAMESPACE, "-face"));
|
|
|
+ this.container = container;
|
|
|
+ this.cropper = cropper;
|
|
|
+ this.canvas = canvas;
|
|
|
+ this.dragBox = dragBox;
|
|
|
+ this.cropBox = cropBox;
|
|
|
+ this.viewBox = cropper.querySelector(".".concat(NAMESPACE, "-view-box"));
|
|
|
+ this.face = face;
|
|
|
+ canvas.appendChild(image); // Hide the original image
|
|
|
+
|
|
|
+ addClass(element, CLASS_HIDDEN); // Inserts the cropper after to the current image
|
|
|
+
|
|
|
+ container.insertBefore(cropper, element.nextSibling); // Show the image if is hidden
|
|
|
+
|
|
|
+ if (!this.isImg) {
|
|
|
+ removeClass(image, CLASS_HIDE);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.initPreview();
|
|
|
+ this.bind();
|
|
|
+ options.initialAspectRatio = Math.max(0, options.initialAspectRatio) || NaN;
|
|
|
+ options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
|
|
|
+ options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
|
|
|
+ addClass(cropBox, CLASS_HIDDEN);
|
|
|
+
|
|
|
+ if (!options.guides) {
|
|
|
+ addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-dashed")), CLASS_HIDDEN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!options.center) {
|
|
|
+ addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-center")), CLASS_HIDDEN);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (options.background) {
|
|
|
+ addClass(cropper, "".concat(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("".concat(NAMESPACE, "-line")), CLASS_HIDDEN);
|
|
|
+ addClass(cropBox.getElementsByClassName("".concat(NAMESPACE, "-point")), CLASS_HIDDEN);
|
|
|
+ }
|
|
|
+
|
|
|
+ this.render();
|
|
|
+ this.ready = true;
|
|
|
+ this.setDragMode(options.dragMode);
|
|
|
+
|
|
|
+ if (options.autoCrop) {
|
|
|
+ this.crop();
|
|
|
+ }
|
|
|
+
|
|
|
+ this.setData(options.data);
|
|
|
+
|
|
|
+ if (isFunction(options.ready)) {
|
|
|
+ addListener(element, EVENT_READY, options.ready, {
|
|
|
+ once: true
|
|
|
+ });
|
|
|
+ }
|
|
|
+
|
|
|
+ dispatchEvent(element, EVENT_READY);
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "unbuild",
|
|
|
+ value: function unbuild() {
|
|
|
+ if (!this.ready) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ this.ready = false;
|
|
|
+ this.unbind();
|
|
|
+ this.resetPreview();
|
|
|
+ this.cropper.parentNode.removeChild(this.cropper);
|
|
|
+ removeClass(this.element, CLASS_HIDDEN);
|
|
|
+ }
|
|
|
+ }, {
|
|
|
+ key: "uncreate",
|
|
|
+ value: function uncreate() {
|
|
|
+ if (this.ready) {
|
|
|
+ this.unbuild();
|
|
|
+ this.ready = false;
|
|
|
+ this.cropped = false;
|
|
|
+ } else if (this.sizing) {
|
|
|
+ this.sizingImage.onload = null;
|
|
|
+ this.sizing = false;
|
|
|
+ this.sized = false;
|
|
|
+ } else if (this.reloading) {
|
|
|
+ this.xhr.onabort = null;
|
|
|
+ this.xhr.abort();
|
|
|
+ } else if (this.image) {
|
|
|
+ this.stop();
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Get the no conflict cropper class.
|
|
|
+ * @returns {Cropper} The cropper class.
|
|
|
+ */
|
|
|
+
|
|
|
+ }], [{
|
|
|
+ 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) {
|
|
|
+ assign(DEFAULTS, isPlainObject(options) && options);
|
|
|
+ }
|
|
|
+ }]);
|
|
|
+
|
|
|
+ return Cropper;
|
|
|
+ }();
|
|
|
+
|
|
|
+ assign(Cropper.prototype, render, preview, events, handlers, change, methods);
|
|
|
+
|
|
|
+ return Cropper;
|
|
|
+
|
|
|
+})));
|
RuoYi