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3624 lines
105 KiB
3624 lines
105 KiB
2 years ago
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/*!
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* Cropper.js v1.5.12
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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: 2021-06-12T08:00:17.411Z
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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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if (Object.getOwnPropertySymbols) {
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var symbols = Object.getOwnPropertySymbols(object);
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if (enumerableOnly) {
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symbols = symbols.filter(function (sym) {
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return Object.getOwnPropertyDescriptor(object, sym).enumerable;
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});
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}
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keys.push.apply(keys, symbols);
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}
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return keys;
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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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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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return target;
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}
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function _typeof(obj) {
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"@babel/helpers - typeof";
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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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return _typeof(obj);
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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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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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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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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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return obj;
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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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function _arrayWithoutHoles(arr) {
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if (Array.isArray(arr)) return _arrayLikeToArray(arr);
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}
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function _iterableToArray(iter) {
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if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter);
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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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function _arrayLikeToArray(arr, len) {
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if (len == null || len > arr.length) len = arr.length;
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for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i];
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return arr2;
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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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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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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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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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var DATA_ACTION = "".concat(NAMESPACE, "Action");
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var DATA_PREVIEW = "".concat(NAMESPACE, "Preview"); // Drag modes
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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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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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var MIME_TYPE_JPEG = 'image/jpeg'; // RegExps
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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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// Inspired by the default width and height of a canvas element.
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var MIN_CONTAINER_WIDTH = 200;
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var MIN_CONTAINER_HEIGHT = 100;
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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: MIN_CONTAINER_WIDTH,
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minContainerHeight: MIN_CONTAINER_HEIGHT,
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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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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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* Check if the given value is not a number.
|
||
|
|
*/
|
||
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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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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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var isPositiveNumber = function isPositiveNumber(value) {
|
||
|
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return value > 0 && value < Infinity;
|
||
|
|
};
|
||
|
|
/**
|
||
|
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* Check if the given value is undefined.
|
||
|
|
* @param {*} value - The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if the given value is undefined, else `false`.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function isUndefined(value) {
|
||
|
|
return typeof value === 'undefined';
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Check if the given value is an object.
|
||
|
|
* @param {*} value - The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if the given value is an object, else `false`.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function isObject(value) {
|
||
|
|
return _typeof(value) === 'object' && value !== null;
|
||
|
|
}
|
||
|
|
var hasOwnProperty = Object.prototype.hasOwnProperty;
|
||
|
|
/**
|
||
|
|
* Check if the given value is a plain object.
|
||
|
|
* @param {*} value - The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
|
||
|
|
*/
|
||
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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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try {
|
||
|
|
var _constructor = value.constructor;
|
||
|
|
var prototype = _constructor.prototype;
|
||
|
|
return _constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
|
||
|
|
} catch (error) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Check if the given value is a function.
|
||
|
|
* @param {*} value - The value to check.
|
||
|
|
* @returns {boolean} Returns `true` if the given value is a function, else `false`.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function isFunction(value) {
|
||
|
|
return typeof value === 'function';
|
||
|
|
}
|
||
|
|
var slice = Array.prototype.slice;
|
||
|
|
/**
|
||
|
|
* Convert array-like or iterable object to an array.
|
||
|
|
* @param {*} value - The value to convert.
|
||
|
|
* @returns {Array} Returns a new array.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function toArray(value) {
|
||
|
|
return Array.from ? Array.from(value) : slice.call(value);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Iterate the given data.
|
||
|
|
* @param {*} data - The data to iterate.
|
||
|
|
* @param {Function} callback - The process function for each element.
|
||
|
|
* @returns {*} The original data.
|
||
|
|
*/
|
||
|
|
|
||
|
|
function forEach(data, callback) {
|
||
|
|
if (data && isFunction(callback)) {
|
||
|
|
if (Array.isArray(data) || isNumber(data.length)
|
||
|
|
/* array-like */
|
||
|
|
) {
|
||
|
|
toArray(data).forEach(function (value, key) {
|
||
|
|
callback.call(data, value, key, data);
|
||
|
|
});
|
||
|
|
} else if (isObject(data)) {
|
||
|
|
Object.keys(data).forEach(function (key) {
|
||
|
|
callback.call(data, data[key], key, data);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Extend the given object.
|
||
|
|
* @param {*} target - The target object to extend.
|
||
|
|
* @param {*} args - The rest objects for merging to the target object.
|
||
|
|
* @returns {Object} The extended object.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var 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 maxRatio = 0;
|
||
|
|
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;
|
||
|
|
|
||
|
|
if (Math.abs(ratio) > Math.abs(maxRatio)) {
|
||
|
|
maxRatio = ratio;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
return maxRatio;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* 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;
|
||
|
|
var minWidth = Number(options.minContainerWidth);
|
||
|
|
var minHeight = Number(options.minContainerHeight);
|
||
|
|
addClass(cropper, CLASS_HIDDEN);
|
||
|
|
removeClass(element, CLASS_HIDDEN);
|
||
|
|
var containerData = {
|
||
|
|
width: Math.max(container.offsetWidth, minWidth >= 0 ? minWidth : MIN_CONTAINER_WIDTH),
|
||
|
|
height: Math.max(container.offsetHeight, minHeight >= 0 ? minHeight : MIN_CONTAINER_HEIGHT)
|
||
|
|
};
|
||
|
|
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
|
||
|
|
};
|
||
|
|
this.canvasData = canvasData;
|
||
|
|
this.limited = viewMode === 1 || viewMode === 2;
|
||
|
|
this.limitCanvas(true, true);
|
||
|
|
canvasData.width = Math.min(Math.max(canvasData.width, canvasData.minWidth), canvasData.maxWidth);
|
||
|
|
canvasData.height = Math.min(Math.max(canvasData.height, canvasData.minHeight), canvasData.maxHeight);
|
||
|
|
canvasData.left = (containerData.width - canvasData.width) / 2;
|
||
|
|
canvasData.top = (containerData.height - canvasData.height) / 2;
|
||
|
|
canvasData.oldLeft = canvasData.left;
|
||
|
|
canvasData.oldTop = canvasData.top;
|
||
|
|
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 ratioX = container.offsetWidth / containerData.width;
|
||
|
|
var ratioY = container.offsetHeight / containerData.height;
|
||
|
|
var ratio = Math.abs(ratioX - 1) > Math.abs(ratioY - 1) ? ratioX : ratioY; // Resize when width changed or height changed
|
||
|
|
|
||
|
|
if (ratio !== 1) {
|
||
|
|
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);
|
||
|
|
} // The third parameter is required for avoiding side-effect (#682)
|
||
|
|
|
||
|
|
|
||
|
|
xhr.open('GET', url, true);
|
||
|
|
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.initialImageData = assign({}, _this2.imageData);
|
||
|
|
_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);
|
||
|
|
|
||
|
|
export default Cropper;
|