3211 lines
84 KiB
JavaScript
Executable File
3211 lines
84 KiB
JavaScript
Executable File
/*!
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* Cropper v3.1.3
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* https://github.com/fengyuanchen/cropper
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*
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* Copyright (c) 2014-2017 Chen Fengyuan
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* Released under the MIT license
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*
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* Date: 2017-10-21T10:04:29.734Z
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*/
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import $ from 'jquery';
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var WINDOW = typeof window !== 'undefined' ? window : {};
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var NAMESPACE = 'cropper';
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// 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';
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// Classes
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var CLASS_CROP = NAMESPACE + '-crop';
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var CLASS_DISABLED = NAMESPACE + '-disabled';
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var CLASS_HIDDEN = NAMESPACE + '-hidden';
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var CLASS_HIDE = NAMESPACE + '-hide';
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var CLASS_INVISIBLE = NAMESPACE + '-invisible';
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var CLASS_MODAL = NAMESPACE + '-modal';
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var CLASS_MOVE = NAMESPACE + '-move';
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// Data keys
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var DATA_ACTION = 'action';
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var DATA_PREVIEW = 'preview';
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// 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';
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// 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_ERROR = 'error';
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var EVENT_LOAD = 'load';
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var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
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var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
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var EVENT_POINTER_UP = WINDOW.PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
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var EVENT_READY = 'ready';
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var EVENT_RESIZE = 'resize';
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var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
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var EVENT_ZOOM = 'zoom';
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// 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;
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var DEFAULTS = {
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// Define the view mode of the cropper
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viewMode: 0, // 0, 1, 2, 3
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// Define the dragging mode of the cropper
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dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
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// Define the aspect ratio of the crop box
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aspectRatio: NaN,
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// An object with the previous cropping result data
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data: null,
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// A selector for adding extra containers to preview
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preview: '',
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// Re-render the cropper when resize the window
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responsive: true,
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// Restore the cropped area after resize the window
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restore: true,
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// Check if the current image is a cross-origin image
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checkCrossOrigin: true,
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// Check the current image's Exif Orientation information
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checkOrientation: true,
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// Show the black modal
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modal: true,
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// Show the dashed lines for guiding
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guides: true,
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// Show the center indicator for guiding
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center: true,
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// Show the white modal to highlight the crop box
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highlight: true,
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// Show the grid background
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background: true,
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// Enable to crop the image automatically when initialize
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autoCrop: true,
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// Define the percentage of automatic cropping area when initializes
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autoCropArea: 0.8,
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// Enable to move the image
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movable: true,
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// Enable to rotate the image
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rotatable: true,
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// Enable to scale the image
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scalable: true,
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// Enable to zoom the image
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zoomable: true,
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// Enable to zoom the image by dragging touch
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zoomOnTouch: true,
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// Enable to zoom the image by wheeling mouse
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zoomOnWheel: true,
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// Define zoom ratio when zoom the image by wheeling mouse
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wheelZoomRatio: 0.1,
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// Enable to move the crop box
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cropBoxMovable: true,
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// Enable to resize the crop box
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cropBoxResizable: true,
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// Toggle drag mode between "crop" and "move" when click twice on the cropper
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toggleDragModeOnDblclick: true,
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// Size limitation
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minCanvasWidth: 0,
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minCanvasHeight: 0,
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minCropBoxWidth: 0,
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minCropBoxHeight: 0,
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minContainerWidth: 200,
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minContainerHeight: 100,
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// Shortcuts of events
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ready: null,
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cropstart: null,
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cropmove: null,
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cropend: null,
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crop: null,
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zoom: null
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};
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var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>';
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function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
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/**
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* Check if the given value is a string.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is a string, else `false`.
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*/
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function isString(value) {
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return typeof value === 'string';
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}
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/**
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* Check if the given value is not a number.
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*/
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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 undefined.
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* @param {*} value - The value to check.
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* @returns {boolean} Returns `true` if the given value is undefined, else `false`.
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*/
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function isUndefined(value) {
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return typeof value === 'undefined';
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}
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/**
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* Takes a function and returns a new one that will always have a particular context.
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* Custom proxy to avoid jQuery's guid.
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* @param {Function} fn - The target function.
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* @param {Object} context - The new context for the function.
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* @returns {Function} The new function.
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*/
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function proxy(fn, context) {
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for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
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args[_key - 2] = arguments[_key];
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}
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return function () {
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for (var _len2 = arguments.length, args2 = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args2[_key2] = arguments[_key2];
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}
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return fn.apply(context, args.concat(args2));
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};
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}
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/**
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* Get the own enumerable properties of a given object.
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* @param {Object} obj - The target object.
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* @returns {Array} All the own enumerable properties of the given object.
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*/
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var objectKeys = Object.keys || function objectKeys(obj) {
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var keys = [];
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$.each(obj, function (key) {
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keys.push(key);
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});
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return keys;
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};
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var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
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/**
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* Normalize decimal number.
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* Check out {@link http://0.30000000000000004.com/ }
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* @param {number} value - The value to normalize.
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* @param {number} [times=100000000000] - The times for normalizing.
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* @returns {number} Returns the normalized number.
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*/
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function normalizeDecimalNumber(value) {
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var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;
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return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
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}
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var location = WINDOW.location;
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var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
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/**
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* Check if the given URL is a cross origin URL.
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* @param {string} url - The target URL.
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* @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
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*/
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function isCrossOriginURL(url) {
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var parts = url.match(REGEXP_ORIGINS);
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return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
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}
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/**
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* Add timestamp to the given URL.
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* @param {string} url - The target URL.
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* @returns {string} The result URL.
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*/
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function addTimestamp(url) {
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var timestamp = 'timestamp=' + new Date().getTime();
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return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
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}
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/**
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* Get transform values base on the given object.
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* @param {Object} obj - The target object.
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* @returns {string} A string contains transform values.
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*/
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function getTransformValues(_ref) {
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var rotate = _ref.rotate,
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scaleX = _ref.scaleX,
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scaleY = _ref.scaleY,
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translateX = _ref.translateX,
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translateY = _ref.translateY;
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var values = [];
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if (isNumber(translateX) && translateX !== 0) {
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values.push('translateX(' + translateX + 'px)');
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}
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if (isNumber(translateY) && translateY !== 0) {
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values.push('translateY(' + translateY + 'px)');
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}
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// Rotate should come first before scale to match orientation transform
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if (isNumber(rotate) && rotate !== 0) {
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values.push('rotate(' + rotate + 'deg)');
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}
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if (isNumber(scaleX) && scaleX !== 1) {
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values.push('scaleX(' + scaleX + ')');
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}
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if (isNumber(scaleY) && scaleY !== 1) {
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values.push('scaleY(' + scaleY + ')');
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}
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return values.length ? values.join(' ') : 'none';
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}
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var navigator = WINDOW.navigator;
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var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
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/**
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* Get an image's natural sizes.
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* @param {string} image - The target image.
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* @param {Function} callback - The callback function.
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*/
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function getImageNaturalSizes(image, callback) {
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// Modern browsers (except Safari)
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if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
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callback(image.naturalWidth, image.naturalHeight);
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return;
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}
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var newImage = document.createElement('img');
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newImage.onload = function () {
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callback(newImage.width, newImage.height);
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};
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newImage.src = image.src;
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}
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/**
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* Get the max ratio of a group of pointers.
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* @param {string} pointers - The target pointers.
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* @returns {number} The result ratio.
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*/
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function getMaxZoomRatio(pointers) {
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var pointers2 = $.extend({}, pointers);
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var ratios = [];
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$.each(pointers, function (pointerId, pointer) {
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delete pointers2[pointerId];
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$.each(pointers2, function (pointerId2, pointer2) {
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var x1 = Math.abs(pointer.startX - pointer2.startX);
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var y1 = Math.abs(pointer.startY - pointer2.startY);
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var x2 = Math.abs(pointer.endX - pointer2.endX);
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var y2 = Math.abs(pointer.endY - pointer2.endY);
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var z1 = Math.sqrt(x1 * x1 + y1 * y1);
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var z2 = Math.sqrt(x2 * x2 + y2 * y2);
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var ratio = (z2 - z1) / z1;
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ratios.push(ratio);
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});
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});
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ratios.sort(function (a, b) {
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return Math.abs(a) < Math.abs(b);
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});
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return ratios[0];
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}
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/**
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* Get a pointer from an event object.
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* @param {Object} event - The target event object.
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* @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
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* @returns {Object} The result pointer contains start and/or end point coordinates.
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*/
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function getPointer(_ref2, endOnly) {
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var pageX = _ref2.pageX,
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pageY = _ref2.pageY;
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var end = {
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endX: pageX,
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endY: pageY
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};
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if (endOnly) {
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return end;
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}
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return $.extend({
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startX: pageX,
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startY: pageY
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}, end);
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}
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/**
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* Get the center point coordinate of a group of pointers.
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* @param {Object} pointers - The target pointers.
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* @returns {Object} The center point coordinate.
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*/
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function getPointersCenter(pointers) {
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var pageX = 0;
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var pageY = 0;
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var count = 0;
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$.each(pointers, function (pointerId, _ref3) {
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var startX = _ref3.startX,
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startY = _ref3.startY;
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pageX += startX;
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pageY += startY;
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count += 1;
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});
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pageX /= count;
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pageY /= count;
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return {
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pageX: pageX,
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pageY: pageY
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};
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}
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/**
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* Check if the given value is a finite number.
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*/
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var isFinite = Number.isFinite || WINDOW.isFinite;
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/**
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* Get the max sizes in a rectangle under the given aspect ratio.
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* @param {Object} data - The original sizes.
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* @returns {Object} The result sizes.
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*/
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function getContainSizes(_ref4) {
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var aspectRatio = _ref4.aspectRatio,
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height = _ref4.height,
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width = _ref4.width;
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var isValidNumber = function isValidNumber(value) {
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return isFinite(value) && value > 0;
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};
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if (isValidNumber(width) && isValidNumber(height)) {
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if (height * aspectRatio > width) {
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height = width / aspectRatio;
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} else {
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width = height * aspectRatio;
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}
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} else if (isValidNumber(width)) {
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height = width / aspectRatio;
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} else if (isValidNumber(height)) {
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width = height * aspectRatio;
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}
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return {
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width: width,
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height: height
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};
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}
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/**
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* Get the new sizes of a rectangle after rotated.
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* @param {Object} data - The original sizes.
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* @returns {Object} The result sizes.
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*/
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function getRotatedSizes(_ref5) {
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var width = _ref5.width,
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height = _ref5.height,
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degree = _ref5.degree;
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degree = Math.abs(degree);
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if (degree % 180 === 90) {
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return {
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width: height,
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height: width
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};
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}
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var arc = degree % 90 * Math.PI / 180;
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var sinArc = Math.sin(arc);
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var cosArc = Math.cos(arc);
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return {
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width: width * cosArc + height * sinArc,
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height: width * sinArc + height * cosArc
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};
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}
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/**
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* Get a canvas which drew the given image.
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* @param {HTMLImageElement} image - The image for drawing.
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* @param {Object} imageData - The image data.
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* @param {Object} canvasData - The canvas data.
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* @param {Object} options - The options.
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* @returns {HTMLCanvasElement} The result canvas.
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*/
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function getSourceCanvas(image, _ref6, _ref7, _ref8) {
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var imageNaturalWidth = _ref6.naturalWidth,
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imageNaturalHeight = _ref6.naturalHeight,
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_ref6$rotate = _ref6.rotate,
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rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
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_ref6$scaleX = _ref6.scaleX,
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scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
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_ref6$scaleY = _ref6.scaleY,
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scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
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var aspectRatio = _ref7.aspectRatio,
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naturalWidth = _ref7.naturalWidth,
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naturalHeight = _ref7.naturalHeight;
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var _ref8$fillColor = _ref8.fillColor,
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fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
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_ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
|
|
imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
|
|
_ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
|
|
imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
|
|
_ref8$maxWidth = _ref8.maxWidth,
|
|
maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
|
|
_ref8$maxHeight = _ref8.maxHeight,
|
|
maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
|
|
_ref8$minWidth = _ref8.minWidth,
|
|
minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
|
|
_ref8$minHeight = _ref8.minHeight,
|
|
minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;
|
|
|
|
var maxSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: maxWidth,
|
|
height: maxHeight
|
|
});
|
|
var minSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: minWidth,
|
|
height: minHeight
|
|
});
|
|
var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
|
|
var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
|
|
var canvas = document.createElement('canvas');
|
|
var context = canvas.getContext('2d');
|
|
var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight];
|
|
|
|
canvas.width = normalizeDecimalNumber(width);
|
|
canvas.height = normalizeDecimalNumber(height);
|
|
context.fillStyle = fillColor;
|
|
context.fillRect(0, 0, width, height);
|
|
context.save();
|
|
context.translate(width / 2, height / 2);
|
|
context.rotate(rotate * Math.PI / 180);
|
|
context.scale(scaleX, scaleY);
|
|
context.imageSmoothingEnabled = !!imageSmoothingEnabled;
|
|
context.imageSmoothingQuality = imageSmoothingQuality;
|
|
context.drawImage.apply(context, [image].concat(_toConsumableArray($.map(params, function (param) {
|
|
return Math.floor(normalizeDecimalNumber(param));
|
|
}))));
|
|
context.restore();
|
|
return canvas;
|
|
}
|
|
|
|
var fromCharCode = String.fromCharCode;
|
|
|
|
/**
|
|
* Get string from char code in data view.
|
|
* @param {DataView} dataView - The data view for read.
|
|
* @param {number} start - The start index.
|
|
* @param {number} length - The read length.
|
|
* @returns {string} The read result.
|
|
*/
|
|
|
|
function getStringFromCharCode(dataView, start, length) {
|
|
var str = '';
|
|
var i = void 0;
|
|
|
|
length += start;
|
|
|
|
for (i = start; i < length; i += 1) {
|
|
str += fromCharCode(dataView.getUint8(i));
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
var REGEXP_DATA_URL_HEAD = /^data:.*,/;
|
|
|
|
/**
|
|
* Transform Data URL to array buffer.
|
|
* @param {string} dataURL - The Data URL to transform.
|
|
* @returns {ArrayBuffer} The result array buffer.
|
|
*/
|
|
function dataURLToArrayBuffer(dataURL) {
|
|
var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
|
|
var binary = atob(base64);
|
|
var arrayBuffer = new ArrayBuffer(binary.length);
|
|
var uint8 = new Uint8Array(arrayBuffer);
|
|
|
|
$.each(uint8, function (i) {
|
|
uint8[i] = binary.charCodeAt(i);
|
|
});
|
|
|
|
return arrayBuffer;
|
|
}
|
|
|
|
/**
|
|
* Transform array buffer to Data URL.
|
|
* @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
|
|
* @param {string} mimeType - The mime type of the Data URL.
|
|
* @returns {string} The result Data URL.
|
|
*/
|
|
function arrayBufferToDataURL(arrayBuffer, mimeType) {
|
|
var uint8 = new Uint8Array(arrayBuffer);
|
|
var data = '';
|
|
|
|
// TypedArray.prototype.forEach is not supported in some browsers.
|
|
$.each(uint8, function (i, value) {
|
|
data += fromCharCode(value);
|
|
});
|
|
|
|
return 'data:' + mimeType + ';base64,' + btoa(data);
|
|
}
|
|
|
|
/**
|
|
* Get orientation value from given array buffer.
|
|
* @param {ArrayBuffer} arrayBuffer - The array buffer to read.
|
|
* @returns {number} The read orientation value.
|
|
*/
|
|
function getOrientation(arrayBuffer) {
|
|
var dataView = new DataView(arrayBuffer);
|
|
var orientation = void 0;
|
|
var littleEndian = void 0;
|
|
var app1Start = void 0;
|
|
var ifdStart = void 0;
|
|
|
|
// Only handle JPEG image (start by 0xFFD8)
|
|
if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
|
|
var length = dataView.byteLength;
|
|
var offset = 2;
|
|
|
|
while (offset < length) {
|
|
if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
|
|
app1Start = offset;
|
|
break;
|
|
}
|
|
|
|
offset += 1;
|
|
}
|
|
}
|
|
|
|
if (app1Start) {
|
|
var exifIDCode = app1Start + 4;
|
|
var tiffOffset = app1Start + 10;
|
|
|
|
if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
|
|
var endianness = dataView.getUint16(tiffOffset);
|
|
|
|
littleEndian = endianness === 0x4949;
|
|
|
|
if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
|
|
if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
|
|
var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
|
|
|
|
if (firstIFDOffset >= 0x00000008) {
|
|
ifdStart = tiffOffset + firstIFDOffset;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ifdStart) {
|
|
var _length = dataView.getUint16(ifdStart, littleEndian);
|
|
var _offset = void 0;
|
|
var i = void 0;
|
|
|
|
for (i = 0; i < _length; i += 1) {
|
|
_offset = ifdStart + i * 12 + 2;
|
|
|
|
if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {
|
|
// 8 is the offset of the current tag's value
|
|
_offset += 8;
|
|
|
|
// Get the original orientation value
|
|
orientation = dataView.getUint16(_offset, littleEndian);
|
|
|
|
// Override the orientation with its default value
|
|
dataView.setUint16(_offset, 1, littleEndian);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return orientation;
|
|
}
|
|
|
|
/**
|
|
* Parse Exif Orientation value.
|
|
* @param {number} orientation - The orientation to parse.
|
|
* @returns {Object} The parsed result.
|
|
*/
|
|
function parseOrientation(orientation) {
|
|
var rotate = 0;
|
|
var scaleX = 1;
|
|
var scaleY = 1;
|
|
|
|
switch (orientation) {
|
|
// Flip horizontal
|
|
case 2:
|
|
scaleX = -1;
|
|
break;
|
|
|
|
// Rotate left 180°
|
|
case 3:
|
|
rotate = -180;
|
|
break;
|
|
|
|
// Flip vertical
|
|
case 4:
|
|
scaleY = -1;
|
|
break;
|
|
|
|
// Flip vertical and rotate right 90°
|
|
case 5:
|
|
rotate = 90;
|
|
scaleY = -1;
|
|
break;
|
|
|
|
// Rotate right 90°
|
|
case 6:
|
|
rotate = 90;
|
|
break;
|
|
|
|
// Flip horizontal and rotate right 90°
|
|
case 7:
|
|
rotate = 90;
|
|
scaleX = -1;
|
|
break;
|
|
|
|
// Rotate left 90°
|
|
case 8:
|
|
rotate = -90;
|
|
break;
|
|
|
|
default:
|
|
}
|
|
|
|
return {
|
|
rotate: rotate,
|
|
scaleX: scaleX,
|
|
scaleY: scaleY
|
|
};
|
|
}
|
|
|
|
var render = {
|
|
render: function render() {
|
|
this.initContainer();
|
|
this.initCanvas();
|
|
this.initCropBox();
|
|
this.renderCanvas();
|
|
|
|
if (this.cropped) {
|
|
this.renderCropBox();
|
|
}
|
|
},
|
|
initContainer: function initContainer() {
|
|
var $element = this.$element,
|
|
options = this.options,
|
|
$container = this.$container,
|
|
$cropper = this.$cropper;
|
|
|
|
|
|
$cropper.addClass(CLASS_HIDDEN);
|
|
$element.removeClass(CLASS_HIDDEN);
|
|
|
|
$cropper.css(this.container = {
|
|
width: Math.max($container.width(), Number(options.minContainerWidth) || 200),
|
|
height: Math.max($container.height(), Number(options.minContainerHeight) || 100)
|
|
});
|
|
|
|
$element.addClass(CLASS_HIDDEN);
|
|
$cropper.removeClass(CLASS_HIDDEN);
|
|
},
|
|
|
|
|
|
// Canvas (image wrapper)
|
|
initCanvas: function initCanvas() {
|
|
var container = this.container,
|
|
image = this.image;
|
|
var viewMode = this.options.viewMode;
|
|
|
|
var rotated = Math.abs(image.rotate) % 180 === 90;
|
|
var naturalWidth = rotated ? image.naturalHeight : image.naturalWidth;
|
|
var naturalHeight = rotated ? image.naturalWidth : image.naturalHeight;
|
|
var aspectRatio = naturalWidth / naturalHeight;
|
|
var canvasWidth = container.width;
|
|
var canvasHeight = container.height;
|
|
|
|
if (container.height * aspectRatio > container.width) {
|
|
if (viewMode === 3) {
|
|
canvasWidth = container.height * aspectRatio;
|
|
} else {
|
|
canvasHeight = container.width / aspectRatio;
|
|
}
|
|
} else if (viewMode === 3) {
|
|
canvasHeight = container.width / aspectRatio;
|
|
} else {
|
|
canvasWidth = container.height * aspectRatio;
|
|
}
|
|
|
|
var canvas = {
|
|
aspectRatio: aspectRatio,
|
|
naturalWidth: naturalWidth,
|
|
naturalHeight: naturalHeight,
|
|
width: canvasWidth,
|
|
height: canvasHeight
|
|
};
|
|
|
|
canvas.left = (container.width - canvasWidth) / 2;
|
|
canvas.top = (container.height - canvasHeight) / 2;
|
|
canvas.oldLeft = canvas.left;
|
|
canvas.oldTop = canvas.top;
|
|
|
|
this.canvas = canvas;
|
|
this.limited = viewMode === 1 || viewMode === 2;
|
|
this.limitCanvas(true, true);
|
|
this.initialImage = $.extend({}, image);
|
|
this.initialCanvas = $.extend({}, canvas);
|
|
},
|
|
limitCanvas: function limitCanvas(isSizeLimited, isPositionLimited) {
|
|
var options = this.options,
|
|
container = this.container,
|
|
canvas = this.canvas,
|
|
cropBox = this.cropBox;
|
|
var viewMode = options.viewMode;
|
|
var aspectRatio = canvas.aspectRatio;
|
|
|
|
var cropped = this.cropped && cropBox;
|
|
|
|
if (isSizeLimited) {
|
|
var minCanvasWidth = Number(options.minCanvasWidth) || 0;
|
|
var minCanvasHeight = Number(options.minCanvasHeight) || 0;
|
|
|
|
if (viewMode > 0) {
|
|
if (viewMode > 1) {
|
|
minCanvasWidth = Math.max(minCanvasWidth, container.width);
|
|
minCanvasHeight = Math.max(minCanvasHeight, container.height);
|
|
|
|
if (viewMode === 3) {
|
|
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
|
minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
} else {
|
|
minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
}
|
|
}
|
|
} else if (minCanvasWidth) {
|
|
minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBox.width : 0);
|
|
} else if (minCanvasHeight) {
|
|
minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBox.height : 0);
|
|
} else if (cropped) {
|
|
minCanvasWidth = cropBox.width;
|
|
minCanvasHeight = cropBox.height;
|
|
|
|
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
|
minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
} else {
|
|
minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
}
|
|
}
|
|
}
|
|
|
|
var _getContainSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: minCanvasWidth,
|
|
height: minCanvasHeight
|
|
});
|
|
|
|
minCanvasWidth = _getContainSizes.width;
|
|
minCanvasHeight = _getContainSizes.height;
|
|
|
|
|
|
canvas.minWidth = minCanvasWidth;
|
|
canvas.minHeight = minCanvasHeight;
|
|
canvas.maxWidth = Infinity;
|
|
canvas.maxHeight = Infinity;
|
|
}
|
|
|
|
if (isPositionLimited) {
|
|
if (viewMode > 0) {
|
|
var newCanvasLeft = container.width - canvas.width;
|
|
var newCanvasTop = container.height - canvas.height;
|
|
|
|
canvas.minLeft = Math.min(0, newCanvasLeft);
|
|
canvas.minTop = Math.min(0, newCanvasTop);
|
|
canvas.maxLeft = Math.max(0, newCanvasLeft);
|
|
canvas.maxTop = Math.max(0, newCanvasTop);
|
|
|
|
if (cropped && this.limited) {
|
|
canvas.minLeft = Math.min(cropBox.left, cropBox.left + cropBox.width - canvas.width);
|
|
canvas.minTop = Math.min(cropBox.top, cropBox.top + cropBox.height - canvas.height);
|
|
canvas.maxLeft = cropBox.left;
|
|
canvas.maxTop = cropBox.top;
|
|
|
|
if (viewMode === 2) {
|
|
if (canvas.width >= container.width) {
|
|
canvas.minLeft = Math.min(0, newCanvasLeft);
|
|
canvas.maxLeft = Math.max(0, newCanvasLeft);
|
|
}
|
|
|
|
if (canvas.height >= container.height) {
|
|
canvas.minTop = Math.min(0, newCanvasTop);
|
|
canvas.maxTop = Math.max(0, newCanvasTop);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
canvas.minLeft = -canvas.width;
|
|
canvas.minTop = -canvas.height;
|
|
canvas.maxLeft = container.width;
|
|
canvas.maxTop = container.height;
|
|
}
|
|
}
|
|
},
|
|
renderCanvas: function renderCanvas(changed, transformed) {
|
|
var canvas = this.canvas,
|
|
image = this.image;
|
|
|
|
|
|
if (transformed) {
|
|
var _getRotatedSizes = getRotatedSizes({
|
|
width: image.naturalWidth * Math.abs(image.scaleX || 1),
|
|
height: image.naturalHeight * Math.abs(image.scaleY || 1),
|
|
degree: image.rotate || 0
|
|
}),
|
|
naturalWidth = _getRotatedSizes.width,
|
|
naturalHeight = _getRotatedSizes.height;
|
|
|
|
var width = canvas.width * (naturalWidth / canvas.naturalWidth);
|
|
var height = canvas.height * (naturalHeight / canvas.naturalHeight);
|
|
|
|
canvas.left -= (width - canvas.width) / 2;
|
|
canvas.top -= (height - canvas.height) / 2;
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
canvas.aspectRatio = naturalWidth / naturalHeight;
|
|
canvas.naturalWidth = naturalWidth;
|
|
canvas.naturalHeight = naturalHeight;
|
|
this.limitCanvas(true, false);
|
|
}
|
|
|
|
if (canvas.width > canvas.maxWidth || canvas.width < canvas.minWidth) {
|
|
canvas.left = canvas.oldLeft;
|
|
}
|
|
|
|
if (canvas.height > canvas.maxHeight || canvas.height < canvas.minHeight) {
|
|
canvas.top = canvas.oldTop;
|
|
}
|
|
|
|
canvas.width = Math.min(Math.max(canvas.width, canvas.minWidth), canvas.maxWidth);
|
|
canvas.height = Math.min(Math.max(canvas.height, canvas.minHeight), canvas.maxHeight);
|
|
|
|
this.limitCanvas(false, true);
|
|
|
|
canvas.left = Math.min(Math.max(canvas.left, canvas.minLeft), canvas.maxLeft);
|
|
canvas.top = Math.min(Math.max(canvas.top, canvas.minTop), canvas.maxTop);
|
|
canvas.oldLeft = canvas.left;
|
|
canvas.oldTop = canvas.top;
|
|
|
|
this.$canvas.css({
|
|
width: canvas.width,
|
|
height: canvas.height,
|
|
transform: getTransformValues({
|
|
translateX: canvas.left,
|
|
translateY: canvas.top
|
|
})
|
|
});
|
|
|
|
this.renderImage(changed);
|
|
|
|
if (this.cropped && this.limited) {
|
|
this.limitCropBox(true, true);
|
|
}
|
|
},
|
|
renderImage: function renderImage(changed) {
|
|
var canvas = this.canvas,
|
|
image = this.image;
|
|
|
|
var width = image.naturalWidth * (canvas.width / canvas.naturalWidth);
|
|
var height = image.naturalHeight * (canvas.height / canvas.naturalHeight);
|
|
|
|
$.extend(image, {
|
|
width: width,
|
|
height: height,
|
|
left: (canvas.width - width) / 2,
|
|
top: (canvas.height - height) / 2
|
|
});
|
|
|
|
this.$clone.css({
|
|
width: image.width,
|
|
height: image.height,
|
|
transform: getTransformValues($.extend({
|
|
translateX: image.left,
|
|
translateY: image.top
|
|
}, image))
|
|
});
|
|
|
|
if (changed) {
|
|
this.output();
|
|
}
|
|
},
|
|
initCropBox: function initCropBox() {
|
|
var options = this.options,
|
|
canvas = this.canvas;
|
|
var aspectRatio = options.aspectRatio;
|
|
|
|
var autoCropArea = Number(options.autoCropArea) || 0.8;
|
|
var cropBox = {
|
|
width: canvas.width,
|
|
height: canvas.height
|
|
};
|
|
|
|
if (aspectRatio) {
|
|
if (canvas.height * aspectRatio > canvas.width) {
|
|
cropBox.height = cropBox.width / aspectRatio;
|
|
} else {
|
|
cropBox.width = cropBox.height * aspectRatio;
|
|
}
|
|
}
|
|
|
|
this.cropBox = cropBox;
|
|
this.limitCropBox(true, true);
|
|
|
|
// Initialize auto crop area
|
|
cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
|
|
cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
|
|
|
|
// The width of auto crop area must large than "minWidth", and the height too. (#164)
|
|
cropBox.width = Math.max(cropBox.minWidth, cropBox.width * autoCropArea);
|
|
cropBox.height = Math.max(cropBox.minHeight, cropBox.height * autoCropArea);
|
|
cropBox.left = canvas.left + (canvas.width - cropBox.width) / 2;
|
|
cropBox.top = canvas.top + (canvas.height - cropBox.height) / 2;
|
|
cropBox.oldLeft = cropBox.left;
|
|
cropBox.oldTop = cropBox.top;
|
|
|
|
this.initialCropBox = $.extend({}, cropBox);
|
|
},
|
|
limitCropBox: function limitCropBox(isSizeLimited, isPositionLimited) {
|
|
var options = this.options,
|
|
container = this.container,
|
|
canvas = this.canvas,
|
|
cropBox = this.cropBox,
|
|
limited = this.limited;
|
|
var aspectRatio = options.aspectRatio;
|
|
|
|
|
|
if (isSizeLimited) {
|
|
var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
|
|
var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
|
|
var maxCropBoxWidth = Math.min(container.width, limited ? canvas.width : container.width);
|
|
var maxCropBoxHeight = Math.min(container.height, limited ? canvas.height : container.height);
|
|
|
|
// The min/maxCropBoxWidth/Height must be less than container's width/Height
|
|
minCropBoxWidth = Math.min(minCropBoxWidth, container.width);
|
|
minCropBoxHeight = Math.min(minCropBoxHeight, container.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
|
|
cropBox.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
|
|
cropBox.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
|
|
cropBox.maxWidth = maxCropBoxWidth;
|
|
cropBox.maxHeight = maxCropBoxHeight;
|
|
}
|
|
|
|
if (isPositionLimited) {
|
|
if (limited) {
|
|
cropBox.minLeft = Math.max(0, canvas.left);
|
|
cropBox.minTop = Math.max(0, canvas.top);
|
|
cropBox.maxLeft = Math.min(container.width, canvas.left + canvas.width) - cropBox.width;
|
|
cropBox.maxTop = Math.min(container.height, canvas.top + canvas.height) - cropBox.height;
|
|
} else {
|
|
cropBox.minLeft = 0;
|
|
cropBox.minTop = 0;
|
|
cropBox.maxLeft = container.width - cropBox.width;
|
|
cropBox.maxTop = container.height - cropBox.height;
|
|
}
|
|
}
|
|
},
|
|
renderCropBox: function renderCropBox() {
|
|
var options = this.options,
|
|
container = this.container,
|
|
cropBox = this.cropBox;
|
|
|
|
|
|
if (cropBox.width > cropBox.maxWidth || cropBox.width < cropBox.minWidth) {
|
|
cropBox.left = cropBox.oldLeft;
|
|
}
|
|
|
|
if (cropBox.height > cropBox.maxHeight || cropBox.height < cropBox.minHeight) {
|
|
cropBox.top = cropBox.oldTop;
|
|
}
|
|
|
|
cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
|
|
cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);
|
|
|
|
this.limitCropBox(false, true);
|
|
|
|
cropBox.left = Math.min(Math.max(cropBox.left, cropBox.minLeft), cropBox.maxLeft);
|
|
cropBox.top = Math.min(Math.max(cropBox.top, cropBox.minTop), cropBox.maxTop);
|
|
cropBox.oldLeft = cropBox.left;
|
|
cropBox.oldTop = cropBox.top;
|
|
|
|
if (options.movable && options.cropBoxMovable) {
|
|
// Turn to move the canvas when the crop box is equal to the container
|
|
this.$face.data(DATA_ACTION, cropBox.width >= container.width && cropBox.height >= container.height ? ACTION_MOVE : ACTION_ALL);
|
|
}
|
|
|
|
this.$cropBox.css({
|
|
width: cropBox.width,
|
|
height: cropBox.height,
|
|
transform: getTransformValues({
|
|
translateX: cropBox.left,
|
|
translateY: cropBox.top
|
|
})
|
|
});
|
|
|
|
if (this.cropped && this.limited) {
|
|
this.limitCanvas(true, true);
|
|
}
|
|
|
|
if (!this.disabled) {
|
|
this.output();
|
|
}
|
|
},
|
|
output: function output() {
|
|
this.preview();
|
|
|
|
if (this.completed) {
|
|
this.trigger(EVENT_CROP, this.getData());
|
|
}
|
|
}
|
|
};
|
|
|
|
var preview = {
|
|
initPreview: function initPreview() {
|
|
var crossOrigin = this.crossOrigin;
|
|
|
|
var url = crossOrigin ? this.crossOriginUrl : this.url;
|
|
var image = document.createElement('img');
|
|
|
|
if (crossOrigin) {
|
|
image.crossOrigin = crossOrigin;
|
|
}
|
|
|
|
image.src = url;
|
|
|
|
var $clone2 = $(image);
|
|
|
|
this.$preview = $(this.options.preview);
|
|
this.$clone2 = $clone2;
|
|
this.$viewBox.html($clone2);
|
|
this.$preview.each(function (i, element) {
|
|
var $element = $(element);
|
|
var img = document.createElement('img');
|
|
|
|
// Save the original size for recover
|
|
$element.data(DATA_PREVIEW, {
|
|
width: $element.width(),
|
|
height: $element.height(),
|
|
html: $element.html()
|
|
});
|
|
|
|
if (crossOrigin) {
|
|
img.crossOrigin = crossOrigin;
|
|
}
|
|
|
|
img.src = url;
|
|
|
|
/**
|
|
* Override img element styles
|
|
* Add `display:block` to avoid margin top issue
|
|
* Add `height:auto` to override `height` attribute on IE8
|
|
* (Occur only when margin-top <= -height)
|
|
*/
|
|
img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';
|
|
|
|
$element.html(img);
|
|
});
|
|
},
|
|
resetPreview: function resetPreview() {
|
|
this.$preview.each(function (i, element) {
|
|
var $element = $(element);
|
|
var data = $element.data(DATA_PREVIEW);
|
|
|
|
$element.css({
|
|
width: data.width,
|
|
height: data.height
|
|
}).html(data.html).removeData(DATA_PREVIEW);
|
|
});
|
|
},
|
|
preview: function preview() {
|
|
var image = this.image,
|
|
canvas = this.canvas,
|
|
cropBox = this.cropBox;
|
|
var cropBoxWidth = cropBox.width,
|
|
cropBoxHeight = cropBox.height;
|
|
var width = image.width,
|
|
height = image.height;
|
|
|
|
var left = cropBox.left - canvas.left - image.left;
|
|
var top = cropBox.top - canvas.top - image.top;
|
|
|
|
if (!this.cropped || this.disabled) {
|
|
return;
|
|
}
|
|
|
|
this.$clone2.css({
|
|
width: width,
|
|
height: height,
|
|
transform: getTransformValues($.extend({
|
|
translateX: -left,
|
|
translateY: -top
|
|
}, image))
|
|
});
|
|
|
|
this.$preview.each(function (i, element) {
|
|
var $element = $(element);
|
|
var data = $element.data(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;
|
|
}
|
|
|
|
$element.css({
|
|
width: newWidth,
|
|
height: newHeight
|
|
}).find('img').css({
|
|
width: width * ratio,
|
|
height: height * ratio,
|
|
transform: getTransformValues($.extend({
|
|
translateX: -left * ratio,
|
|
translateY: -top * ratio
|
|
}, image))
|
|
});
|
|
});
|
|
}
|
|
};
|
|
|
|
var events = {
|
|
bind: function bind() {
|
|
var $element = this.$element,
|
|
options = this.options,
|
|
$cropper = this.$cropper;
|
|
|
|
|
|
if ($.isFunction(options.cropstart)) {
|
|
$element.on(EVENT_CROP_START, options.cropstart);
|
|
}
|
|
|
|
if ($.isFunction(options.cropmove)) {
|
|
$element.on(EVENT_CROP_MOVE, options.cropmove);
|
|
}
|
|
|
|
if ($.isFunction(options.cropend)) {
|
|
$element.on(EVENT_CROP_END, options.cropend);
|
|
}
|
|
|
|
if ($.isFunction(options.crop)) {
|
|
$element.on(EVENT_CROP, options.crop);
|
|
}
|
|
|
|
if ($.isFunction(options.zoom)) {
|
|
$element.on(EVENT_ZOOM, options.zoom);
|
|
}
|
|
|
|
$cropper.on(EVENT_POINTER_DOWN, proxy(this.cropStart, this));
|
|
|
|
if (options.zoomable && options.zoomOnWheel) {
|
|
$cropper.on(EVENT_WHEEL, proxy(this.wheel, this));
|
|
}
|
|
|
|
if (options.toggleDragModeOnDblclick) {
|
|
$cropper.on(EVENT_DBLCLICK, proxy(this.dblclick, this));
|
|
}
|
|
|
|
$(document).on(EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)).on(EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, this));
|
|
|
|
if (options.responsive) {
|
|
$(window).on(EVENT_RESIZE, this.onResize = proxy(this.resize, this));
|
|
}
|
|
},
|
|
unbind: function unbind() {
|
|
var $element = this.$element,
|
|
options = this.options,
|
|
$cropper = this.$cropper;
|
|
|
|
|
|
if ($.isFunction(options.cropstart)) {
|
|
$element.off(EVENT_CROP_START, options.cropstart);
|
|
}
|
|
|
|
if ($.isFunction(options.cropmove)) {
|
|
$element.off(EVENT_CROP_MOVE, options.cropmove);
|
|
}
|
|
|
|
if ($.isFunction(options.cropend)) {
|
|
$element.off(EVENT_CROP_END, options.cropend);
|
|
}
|
|
|
|
if ($.isFunction(options.crop)) {
|
|
$element.off(EVENT_CROP, options.crop);
|
|
}
|
|
|
|
if ($.isFunction(options.zoom)) {
|
|
$element.off(EVENT_ZOOM, options.zoom);
|
|
}
|
|
|
|
$cropper.off(EVENT_POINTER_DOWN, this.cropStart);
|
|
|
|
if (options.zoomable && options.zoomOnWheel) {
|
|
$cropper.off(EVENT_WHEEL, this.wheel);
|
|
}
|
|
|
|
if (options.toggleDragModeOnDblclick) {
|
|
$cropper.off(EVENT_DBLCLICK, this.dblclick);
|
|
}
|
|
|
|
$(document).off(EVENT_POINTER_MOVE, this.onCropMove).off(EVENT_POINTER_UP, this.onCropEnd);
|
|
|
|
if (options.responsive) {
|
|
$(window).off(EVENT_RESIZE, this.onResize);
|
|
}
|
|
}
|
|
};
|
|
|
|
var handlers = {
|
|
resize: function resize() {
|
|
var options = this.options,
|
|
$container = this.$container,
|
|
container = this.container;
|
|
|
|
var minContainerWidth = Number(options.minContainerWidth) || 200;
|
|
var minContainerHeight = Number(options.minContainerHeight) || 100;
|
|
|
|
if (this.disabled || container.width <= minContainerWidth || container.height <= minContainerHeight) {
|
|
return;
|
|
}
|
|
|
|
var ratio = $container.width() / container.width;
|
|
|
|
// Resize when width changed or height changed
|
|
if (ratio !== 1 || $container.height() !== container.height) {
|
|
var canvasData = void 0;
|
|
var cropBoxData = void 0;
|
|
|
|
if (options.restore) {
|
|
canvasData = this.getCanvasData();
|
|
cropBoxData = this.getCropBoxData();
|
|
}
|
|
|
|
this.render();
|
|
|
|
if (options.restore) {
|
|
this.setCanvasData($.each(canvasData, function (i, n) {
|
|
canvasData[i] = n * ratio;
|
|
}));
|
|
this.setCropBoxData($.each(cropBoxData, function (i, n) {
|
|
cropBoxData[i] = n * ratio;
|
|
}));
|
|
}
|
|
}
|
|
},
|
|
dblclick: function dblclick() {
|
|
if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
|
|
return;
|
|
}
|
|
|
|
this.setDragMode(this.$dragBox.hasClass(CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
|
|
},
|
|
wheel: function wheel(event) {
|
|
var _this = this;
|
|
|
|
var e = event.originalEvent || event;
|
|
var ratio = Number(this.options.wheelZoomRatio) || 0.1;
|
|
|
|
if (this.disabled) {
|
|
return;
|
|
}
|
|
|
|
event.preventDefault();
|
|
|
|
// Limit wheel speed to prevent zoom too fast
|
|
if (this.wheeling) {
|
|
return;
|
|
}
|
|
|
|
this.wheeling = true;
|
|
|
|
setTimeout(function () {
|
|
_this.wheeling = false;
|
|
}, 50);
|
|
|
|
var delta = 1;
|
|
|
|
if (e.deltaY) {
|
|
delta = e.deltaY > 0 ? 1 : -1;
|
|
} else if (e.wheelDelta) {
|
|
delta = -e.wheelDelta / 120;
|
|
} else if (e.detail) {
|
|
delta = e.detail > 0 ? 1 : -1;
|
|
}
|
|
|
|
this.zoom(-delta * ratio, event);
|
|
},
|
|
cropStart: function cropStart(e) {
|
|
if (this.disabled) {
|
|
return;
|
|
}
|
|
|
|
var options = this.options,
|
|
pointers = this.pointers;
|
|
var originalEvent = e.originalEvent;
|
|
|
|
var action = void 0;
|
|
|
|
if (originalEvent && originalEvent.changedTouches) {
|
|
// Handle touch event
|
|
$.each(originalEvent.changedTouches, function (i, touch) {
|
|
pointers[touch.identifier] = getPointer(touch);
|
|
});
|
|
} else {
|
|
// Handle mouse event and pointer event
|
|
pointers[originalEvent && originalEvent.pointerId || 0] = getPointer(originalEvent || e);
|
|
}
|
|
|
|
if (objectKeys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
|
|
action = ACTION_ZOOM;
|
|
} else {
|
|
action = $(e.target).data(DATA_ACTION);
|
|
}
|
|
|
|
if (!REGEXP_ACTIONS.test(action)) {
|
|
return;
|
|
}
|
|
|
|
if (this.trigger(EVENT_CROP_START, {
|
|
originalEvent: originalEvent,
|
|
action: action
|
|
}).isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
this.action = action;
|
|
this.cropping = false;
|
|
|
|
if (action === ACTION_CROP) {
|
|
this.cropping = true;
|
|
this.$dragBox.addClass(CLASS_MODAL);
|
|
}
|
|
},
|
|
cropMove: function cropMove(e) {
|
|
var action = this.action;
|
|
|
|
|
|
if (this.disabled || !action) {
|
|
return;
|
|
}
|
|
|
|
var pointers = this.pointers;
|
|
var originalEvent = e.originalEvent;
|
|
|
|
|
|
e.preventDefault();
|
|
|
|
if (this.trigger(EVENT_CROP_MOVE, {
|
|
originalEvent: originalEvent,
|
|
action: action
|
|
}).isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
if (originalEvent && originalEvent.changedTouches) {
|
|
$.each(originalEvent.changedTouches, function (i, touch) {
|
|
$.extend(pointers[touch.identifier], getPointer(touch, true));
|
|
});
|
|
} else {
|
|
$.extend(pointers[originalEvent && originalEvent.pointerId || 0], getPointer(originalEvent || e, true));
|
|
}
|
|
|
|
this.change(e);
|
|
},
|
|
cropEnd: function cropEnd(e) {
|
|
if (this.disabled) {
|
|
return;
|
|
}
|
|
|
|
var action = this.action;
|
|
var pointers = this.pointers;
|
|
var originalEvent = e.originalEvent;
|
|
|
|
|
|
if (originalEvent && originalEvent.changedTouches) {
|
|
$.each(originalEvent.changedTouches, function (i, touch) {
|
|
delete pointers[touch.identifier];
|
|
});
|
|
} else {
|
|
delete pointers[originalEvent && originalEvent.pointerId || 0];
|
|
}
|
|
|
|
if (!action) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
if (!objectKeys(pointers).length) {
|
|
this.action = '';
|
|
}
|
|
|
|
if (this.cropping) {
|
|
this.cropping = false;
|
|
this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
|
|
}
|
|
|
|
this.trigger(EVENT_CROP_END, {
|
|
originalEvent: originalEvent,
|
|
action: action
|
|
});
|
|
}
|
|
};
|
|
|
|
var change = {
|
|
change: function change(e) {
|
|
var options = this.options,
|
|
pointers = this.pointers,
|
|
container = this.container,
|
|
canvas = this.canvas,
|
|
cropBox = this.cropBox;
|
|
var action = this.action;
|
|
var aspectRatio = options.aspectRatio;
|
|
var left = cropBox.left,
|
|
top = cropBox.top,
|
|
width = cropBox.width,
|
|
height = cropBox.height;
|
|
|
|
var right = left + width;
|
|
var bottom = top + height;
|
|
var minLeft = 0;
|
|
var minTop = 0;
|
|
var maxWidth = container.width;
|
|
var maxHeight = container.height;
|
|
var renderable = true;
|
|
var offset = void 0;
|
|
|
|
// Locking aspect ratio in "free mode" by holding shift key (#259)
|
|
if (!aspectRatio && e.shiftKey) {
|
|
aspectRatio = width && height ? width / height : 1;
|
|
}
|
|
|
|
if (this.limited) {
|
|
minLeft = cropBox.minLeft;
|
|
minTop = cropBox.minTop;
|
|
|
|
maxWidth = minLeft + Math.min(container.width, canvas.width, canvas.left + canvas.width);
|
|
maxHeight = minTop + Math.min(container.height, canvas.height, canvas.top + canvas.height);
|
|
}
|
|
|
|
var pointer = pointers[objectKeys(pointers)[0]];
|
|
var range = {
|
|
x: pointer.endX - pointer.startX,
|
|
y: pointer.endY - pointer.startY
|
|
};
|
|
var check = function check(side) {
|
|
switch (side) {
|
|
case ACTION_EAST:
|
|
if (right + range.x > maxWidth) {
|
|
range.x = maxWidth - right;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_WEST:
|
|
if (left + range.x < minLeft) {
|
|
range.x = minLeft - left;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_NORTH:
|
|
if (top + range.y < minTop) {
|
|
range.y = minTop - top;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_SOUTH:
|
|
if (bottom + range.y > maxHeight) {
|
|
range.y = maxHeight - bottom;
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
}
|
|
};
|
|
|
|
switch (action) {
|
|
// Move crop box
|
|
case ACTION_ALL:
|
|
left += range.x;
|
|
top += range.y;
|
|
break;
|
|
|
|
// Resize crop box
|
|
case ACTION_EAST:
|
|
if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_EAST);
|
|
width += range.x;
|
|
|
|
if (aspectRatio) {
|
|
height = width / aspectRatio;
|
|
top -= range.x / aspectRatio / 2;
|
|
}
|
|
|
|
if (width < 0) {
|
|
action = ACTION_WEST;
|
|
width = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_NORTH:
|
|
if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_NORTH);
|
|
height -= range.y;
|
|
top += range.y;
|
|
|
|
if (aspectRatio) {
|
|
width = height * aspectRatio;
|
|
left += range.y * aspectRatio / 2;
|
|
}
|
|
|
|
if (height < 0) {
|
|
action = ACTION_SOUTH;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_WEST:
|
|
if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_WEST);
|
|
width -= range.x;
|
|
left += range.x;
|
|
|
|
if (aspectRatio) {
|
|
height = width / aspectRatio;
|
|
top += range.x / aspectRatio / 2;
|
|
}
|
|
|
|
if (width < 0) {
|
|
action = ACTION_EAST;
|
|
width = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_SOUTH:
|
|
if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_SOUTH);
|
|
height += range.y;
|
|
|
|
if (aspectRatio) {
|
|
width = height * aspectRatio;
|
|
left -= range.y * aspectRatio / 2;
|
|
}
|
|
|
|
if (height < 0) {
|
|
action = ACTION_NORTH;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_NORTH_EAST:
|
|
if (aspectRatio) {
|
|
if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_NORTH);
|
|
height -= range.y;
|
|
top += range.y;
|
|
width = height * aspectRatio;
|
|
} else {
|
|
check(ACTION_NORTH);
|
|
check(ACTION_EAST);
|
|
|
|
if (range.x >= 0) {
|
|
if (right < maxWidth) {
|
|
width += range.x;
|
|
} else if (range.y <= 0 && top <= minTop) {
|
|
renderable = false;
|
|
}
|
|
} else {
|
|
width += range.x;
|
|
}
|
|
|
|
if (range.y <= 0) {
|
|
if (top > minTop) {
|
|
height -= range.y;
|
|
top += range.y;
|
|
}
|
|
} else {
|
|
height -= range.y;
|
|
top += range.y;
|
|
}
|
|
}
|
|
|
|
if (width < 0 && height < 0) {
|
|
action = ACTION_SOUTH_WEST;
|
|
height = 0;
|
|
width = 0;
|
|
} else if (width < 0) {
|
|
action = ACTION_NORTH_WEST;
|
|
width = 0;
|
|
} else if (height < 0) {
|
|
action = ACTION_SOUTH_EAST;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_NORTH_WEST:
|
|
if (aspectRatio) {
|
|
if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_NORTH);
|
|
height -= range.y;
|
|
top += range.y;
|
|
width = height * aspectRatio;
|
|
left += range.y * aspectRatio;
|
|
} else {
|
|
check(ACTION_NORTH);
|
|
check(ACTION_WEST);
|
|
|
|
if (range.x <= 0) {
|
|
if (left > minLeft) {
|
|
width -= range.x;
|
|
left += range.x;
|
|
} else if (range.y <= 0 && top <= minTop) {
|
|
renderable = false;
|
|
}
|
|
} else {
|
|
width -= range.x;
|
|
left += range.x;
|
|
}
|
|
|
|
if (range.y <= 0) {
|
|
if (top > minTop) {
|
|
height -= range.y;
|
|
top += range.y;
|
|
}
|
|
} else {
|
|
height -= range.y;
|
|
top += range.y;
|
|
}
|
|
}
|
|
|
|
if (width < 0 && height < 0) {
|
|
action = ACTION_SOUTH_EAST;
|
|
height = 0;
|
|
width = 0;
|
|
} else if (width < 0) {
|
|
action = ACTION_NORTH_EAST;
|
|
width = 0;
|
|
} else if (height < 0) {
|
|
action = ACTION_SOUTH_WEST;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_SOUTH_WEST:
|
|
if (aspectRatio) {
|
|
if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_WEST);
|
|
width -= range.x;
|
|
left += range.x;
|
|
height = width / aspectRatio;
|
|
} else {
|
|
check(ACTION_SOUTH);
|
|
check(ACTION_WEST);
|
|
|
|
if (range.x <= 0) {
|
|
if (left > minLeft) {
|
|
width -= range.x;
|
|
left += range.x;
|
|
} else if (range.y >= 0 && bottom >= maxHeight) {
|
|
renderable = false;
|
|
}
|
|
} else {
|
|
width -= range.x;
|
|
left += range.x;
|
|
}
|
|
|
|
if (range.y >= 0) {
|
|
if (bottom < maxHeight) {
|
|
height += range.y;
|
|
}
|
|
} else {
|
|
height += range.y;
|
|
}
|
|
}
|
|
|
|
if (width < 0 && height < 0) {
|
|
action = ACTION_NORTH_EAST;
|
|
height = 0;
|
|
width = 0;
|
|
} else if (width < 0) {
|
|
action = ACTION_SOUTH_EAST;
|
|
width = 0;
|
|
} else if (height < 0) {
|
|
action = ACTION_NORTH_WEST;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
case ACTION_SOUTH_EAST:
|
|
if (aspectRatio) {
|
|
if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
check(ACTION_EAST);
|
|
width += range.x;
|
|
height = width / aspectRatio;
|
|
} else {
|
|
check(ACTION_SOUTH);
|
|
check(ACTION_EAST);
|
|
|
|
if (range.x >= 0) {
|
|
if (right < maxWidth) {
|
|
width += range.x;
|
|
} else if (range.y >= 0 && bottom >= maxHeight) {
|
|
renderable = false;
|
|
}
|
|
} else {
|
|
width += range.x;
|
|
}
|
|
|
|
if (range.y >= 0) {
|
|
if (bottom < maxHeight) {
|
|
height += range.y;
|
|
}
|
|
} else {
|
|
height += range.y;
|
|
}
|
|
}
|
|
|
|
if (width < 0 && height < 0) {
|
|
action = ACTION_NORTH_WEST;
|
|
height = 0;
|
|
width = 0;
|
|
} else if (width < 0) {
|
|
action = ACTION_SOUTH_WEST;
|
|
width = 0;
|
|
} else if (height < 0) {
|
|
action = ACTION_NORTH_EAST;
|
|
height = 0;
|
|
}
|
|
|
|
break;
|
|
|
|
// Move canvas
|
|
case ACTION_MOVE:
|
|
this.move(range.x, range.y);
|
|
renderable = false;
|
|
break;
|
|
|
|
// Zoom canvas
|
|
case ACTION_ZOOM:
|
|
this.zoom(getMaxZoomRatio(pointers), e.originalEvent);
|
|
renderable = false;
|
|
break;
|
|
|
|
// Create crop box
|
|
case ACTION_CROP:
|
|
if (!range.x || !range.y) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
offset = this.$cropper.offset();
|
|
left = pointer.startX - offset.left;
|
|
top = pointer.startY - offset.top;
|
|
width = cropBox.minWidth;
|
|
height = cropBox.minHeight;
|
|
|
|
if (range.x > 0) {
|
|
action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
|
|
} else if (range.x < 0) {
|
|
left -= width;
|
|
action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
|
|
}
|
|
|
|
if (range.y < 0) {
|
|
top -= height;
|
|
}
|
|
|
|
// Show the crop box if is hidden
|
|
if (!this.cropped) {
|
|
this.$cropBox.removeClass(CLASS_HIDDEN);
|
|
this.cropped = true;
|
|
|
|
if (this.limited) {
|
|
this.limitCropBox(true, true);
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
}
|
|
|
|
if (renderable) {
|
|
cropBox.width = width;
|
|
cropBox.height = height;
|
|
cropBox.left = left;
|
|
cropBox.top = top;
|
|
this.action = action;
|
|
this.renderCropBox();
|
|
}
|
|
|
|
// Override
|
|
$.each(pointers, function (i, p) {
|
|
p.startX = p.endX;
|
|
p.startY = p.endY;
|
|
});
|
|
}
|
|
};
|
|
|
|
function _toConsumableArray$1(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
|
|
|
|
var methods = {
|
|
// Show the crop box manually
|
|
crop: function crop() {
|
|
if (!this.ready || this.disabled) {
|
|
return;
|
|
}
|
|
|
|
if (!this.cropped) {
|
|
this.cropped = true;
|
|
this.limitCropBox(true, true);
|
|
|
|
if (this.options.modal) {
|
|
this.$dragBox.addClass(CLASS_MODAL);
|
|
}
|
|
|
|
this.$cropBox.removeClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
this.setCropBoxData(this.initialCropBox);
|
|
},
|
|
|
|
|
|
// Reset the image and crop box to their initial states
|
|
reset: function reset() {
|
|
if (!this.ready || this.disabled) {
|
|
return;
|
|
}
|
|
|
|
this.image = $.extend({}, this.initialImage);
|
|
this.canvas = $.extend({}, this.initialCanvas);
|
|
this.cropBox = $.extend({}, this.initialCropBox);
|
|
this.renderCanvas();
|
|
|
|
if (this.cropped) {
|
|
this.renderCropBox();
|
|
}
|
|
},
|
|
|
|
|
|
// Clear the crop box
|
|
clear: function clear() {
|
|
if (!this.cropped || this.disabled) {
|
|
return;
|
|
}
|
|
|
|
$.extend(this.cropBox, {
|
|
left: 0,
|
|
top: 0,
|
|
width: 0,
|
|
height: 0
|
|
});
|
|
|
|
this.cropped = false;
|
|
this.renderCropBox();
|
|
this.limitCanvas(true, true);
|
|
|
|
// Render canvas after crop box rendered
|
|
this.renderCanvas();
|
|
this.$dragBox.removeClass(CLASS_MODAL);
|
|
this.$cropBox.addClass(CLASS_HIDDEN);
|
|
},
|
|
|
|
|
|
/**
|
|
* Replace the image's src and rebuild the cropper
|
|
* @param {string} url - The new URL.
|
|
* @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
|
|
*/
|
|
replace: function replace(url, onlyColorChanged) {
|
|
if (!this.disabled && url) {
|
|
if (this.isImg) {
|
|
this.$element.attr('src', url);
|
|
}
|
|
|
|
if (onlyColorChanged) {
|
|
this.url = url;
|
|
this.$clone.attr('src', url);
|
|
|
|
if (this.ready) {
|
|
this.$preview.find('img').add(this.$clone2).attr('src', url);
|
|
}
|
|
} else {
|
|
if (this.isImg) {
|
|
this.replaced = true;
|
|
}
|
|
|
|
// Clear previous data
|
|
this.options.data = null;
|
|
this.load(url);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
// Enable (unfreeze) the cropper
|
|
enable: function enable() {
|
|
if (this.ready) {
|
|
this.disabled = false;
|
|
this.$cropper.removeClass(CLASS_DISABLED);
|
|
}
|
|
},
|
|
|
|
|
|
// Disable (freeze) the cropper
|
|
disable: function disable() {
|
|
if (this.ready) {
|
|
this.disabled = true;
|
|
this.$cropper.addClass(CLASS_DISABLED);
|
|
}
|
|
},
|
|
|
|
|
|
// Destroy the cropper and remove the instance from the image
|
|
destroy: function destroy() {
|
|
var $element = this.$element;
|
|
|
|
|
|
if (this.loaded) {
|
|
if (this.isImg && this.replaced) {
|
|
$element.attr('src', this.originalUrl);
|
|
}
|
|
|
|
this.unbuild();
|
|
$element.removeClass(CLASS_HIDDEN);
|
|
} else if (this.isImg) {
|
|
$element.off(EVENT_LOAD, this.start);
|
|
} else if (this.$clone) {
|
|
this.$clone.remove();
|
|
}
|
|
|
|
$element.removeData(NAMESPACE);
|
|
},
|
|
|
|
|
|
/**
|
|
* Move the canvas with relative offsets
|
|
* @param {number} offsetX - The relative offset distance on the x-axis.
|
|
* @param {number} offsetY - The relative offset distance on the y-axis.
|
|
*/
|
|
move: function move(offsetX, offsetY) {
|
|
var _canvas = this.canvas,
|
|
left = _canvas.left,
|
|
top = _canvas.top;
|
|
|
|
|
|
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.
|
|
*/
|
|
moveTo: function moveTo(x, y) {
|
|
var canvas = this.canvas;
|
|
|
|
var changed = false;
|
|
|
|
// If "y" is not present, its default value is "x"
|
|
if (isUndefined(y)) {
|
|
y = x;
|
|
}
|
|
|
|
x = Number(x);
|
|
y = Number(y);
|
|
|
|
if (this.ready && !this.disabled && this.options.movable) {
|
|
if (isNumber(x)) {
|
|
canvas.left = x;
|
|
changed = true;
|
|
}
|
|
|
|
if (isNumber(y)) {
|
|
canvas.top = y;
|
|
changed = true;
|
|
}
|
|
|
|
if (changed) {
|
|
this.renderCanvas(true);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Zoom the canvas with a relative ratio
|
|
* @param {Number} ratio - The target ratio.
|
|
* @param {Event} _event - The related event if any.
|
|
*/
|
|
zoom: function zoom(ratio, _event) {
|
|
var canvas = this.canvas;
|
|
|
|
|
|
ratio = Number(ratio);
|
|
|
|
if (ratio < 0) {
|
|
ratio = 1 / (1 - ratio);
|
|
} else {
|
|
ratio = 1 + ratio;
|
|
}
|
|
|
|
this.zoomTo(canvas.width * ratio / canvas.naturalWidth, _event);
|
|
},
|
|
|
|
|
|
/**
|
|
* Zoom the canvas to an absolute ratio
|
|
* @param {number} ratio - The target ratio.
|
|
* @param {Event} _event - The related event if any.
|
|
*/
|
|
zoomTo: function zoomTo(ratio, _event) {
|
|
var options = this.options,
|
|
pointers = this.pointers,
|
|
canvas = this.canvas;
|
|
var width = canvas.width,
|
|
height = canvas.height,
|
|
naturalWidth = canvas.naturalWidth,
|
|
naturalHeight = canvas.naturalHeight;
|
|
|
|
|
|
ratio = Number(ratio);
|
|
|
|
if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
|
|
var newWidth = naturalWidth * ratio;
|
|
var newHeight = naturalHeight * ratio;
|
|
var originalEvent = void 0;
|
|
|
|
if (_event) {
|
|
originalEvent = _event.originalEvent;
|
|
}
|
|
|
|
if (this.trigger(EVENT_ZOOM, {
|
|
originalEvent: originalEvent,
|
|
oldRatio: width / naturalWidth,
|
|
ratio: newWidth / naturalWidth
|
|
}).isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
if (originalEvent) {
|
|
var offset = this.$cropper.offset();
|
|
var center = pointers && objectKeys(pointers).length ? getPointersCenter(pointers) : {
|
|
pageX: _event.pageX || originalEvent.pageX || 0,
|
|
pageY: _event.pageY || originalEvent.pageY || 0
|
|
};
|
|
|
|
// Zoom from the triggering point of the event
|
|
canvas.left -= (newWidth - width) * ((center.pageX - offset.left - canvas.left) / width);
|
|
canvas.top -= (newHeight - height) * ((center.pageY - offset.top - canvas.top) / height);
|
|
} else {
|
|
// Zoom from the center of the canvas
|
|
canvas.left -= (newWidth - width) / 2;
|
|
canvas.top -= (newHeight - height) / 2;
|
|
}
|
|
|
|
canvas.width = newWidth;
|
|
canvas.height = newHeight;
|
|
this.renderCanvas(true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Rotate the canvas with a relative degree
|
|
* @param {number} degree - The rotate degree.
|
|
*/
|
|
rotate: function rotate(degree) {
|
|
this.rotateTo((this.image.rotate || 0) + Number(degree));
|
|
},
|
|
|
|
|
|
/**
|
|
* Rotate the canvas to an absolute degree
|
|
* @param {number} degree - The rotate degree.
|
|
*/
|
|
rotateTo: function rotateTo(degree) {
|
|
degree = Number(degree);
|
|
|
|
if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
|
|
this.image.rotate = degree % 360;
|
|
this.renderCanvas(true, true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Scale the image on the x-axis.
|
|
* @param {number} scaleX - The scale ratio on the x-axis.
|
|
*/
|
|
scaleX: function scaleX(_scaleX) {
|
|
var scaleY = this.image.scaleY;
|
|
|
|
|
|
this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
|
|
},
|
|
|
|
|
|
/**
|
|
* Scale the image on the y-axis.
|
|
* @param {number} scaleY - The scale ratio on the y-axis.
|
|
*/
|
|
scaleY: function scaleY(_scaleY) {
|
|
var scaleX = this.image.scaleX;
|
|
|
|
|
|
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.
|
|
*/
|
|
scale: function scale(scaleX) {
|
|
var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
|
|
var image = this.image;
|
|
|
|
var transformed = false;
|
|
|
|
scaleX = Number(scaleX);
|
|
scaleY = Number(scaleY);
|
|
|
|
if (this.ready && !this.disabled && this.options.scalable) {
|
|
if (isNumber(scaleX)) {
|
|
image.scaleX = scaleX;
|
|
transformed = true;
|
|
}
|
|
|
|
if (isNumber(scaleY)) {
|
|
image.scaleY = scaleY;
|
|
transformed = true;
|
|
}
|
|
|
|
if (transformed) {
|
|
this.renderCanvas(true, true);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* 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,
|
|
image = this.image,
|
|
canvas = this.canvas,
|
|
cropBox = this.cropBox;
|
|
|
|
var data = void 0;
|
|
|
|
if (this.ready && this.cropped) {
|
|
data = {
|
|
x: cropBox.left - canvas.left,
|
|
y: cropBox.top - canvas.top,
|
|
width: cropBox.width,
|
|
height: cropBox.height
|
|
};
|
|
|
|
var ratio = image.width / image.naturalWidth;
|
|
|
|
$.each(data, function (i, n) {
|
|
n /= ratio;
|
|
data[i] = rounded ? Math.round(n) : n;
|
|
});
|
|
} else {
|
|
data = {
|
|
x: 0,
|
|
y: 0,
|
|
width: 0,
|
|
height: 0
|
|
};
|
|
}
|
|
|
|
if (options.rotatable) {
|
|
data.rotate = image.rotate || 0;
|
|
}
|
|
|
|
if (options.scalable) {
|
|
data.scaleX = image.scaleX || 1;
|
|
data.scaleY = image.scaleY || 1;
|
|
}
|
|
|
|
return data;
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the cropped area position and size with new data
|
|
* @param {Object} data - The new data.
|
|
*/
|
|
setData: function setData(data) {
|
|
var options = this.options,
|
|
image = this.image,
|
|
canvas = this.canvas;
|
|
|
|
var cropBoxData = {};
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(this.element);
|
|
}
|
|
|
|
if (this.ready && !this.disabled && $.isPlainObject(data)) {
|
|
var transformed = false;
|
|
|
|
if (options.rotatable) {
|
|
if (isNumber(data.rotate) && data.rotate !== image.rotate) {
|
|
image.rotate = data.rotate;
|
|
transformed = true;
|
|
}
|
|
}
|
|
|
|
if (options.scalable) {
|
|
if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
|
|
image.scaleX = data.scaleX;
|
|
transformed = true;
|
|
}
|
|
|
|
if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
|
|
image.scaleY = data.scaleY;
|
|
transformed = true;
|
|
}
|
|
}
|
|
|
|
if (transformed) {
|
|
this.renderCanvas(true, true);
|
|
}
|
|
|
|
var ratio = image.width / image.naturalWidth;
|
|
|
|
if (isNumber(data.x)) {
|
|
cropBoxData.left = data.x * ratio + canvas.left;
|
|
}
|
|
|
|
if (isNumber(data.y)) {
|
|
cropBoxData.top = data.y * ratio + canvas.top;
|
|
}
|
|
|
|
if (isNumber(data.width)) {
|
|
cropBoxData.width = data.width * ratio;
|
|
}
|
|
|
|
if (isNumber(data.height)) {
|
|
cropBoxData.height = data.height * ratio;
|
|
}
|
|
|
|
this.setCropBoxData(cropBoxData);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the container size data.
|
|
* @returns {Object} The result container data.
|
|
*/
|
|
getContainerData: function getContainerData() {
|
|
return this.ready ? $.extend({}, this.container) : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the image position and size data.
|
|
* @returns {Object} The result image data.
|
|
*/
|
|
getImageData: function getImageData() {
|
|
return this.loaded ? $.extend({}, this.image) : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the canvas position and size data.
|
|
* @returns {Object} The result canvas data.
|
|
*/
|
|
getCanvasData: function getCanvasData() {
|
|
var canvas = this.canvas;
|
|
|
|
var data = {};
|
|
|
|
if (this.ready) {
|
|
$.each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (i, n) {
|
|
data[n] = canvas[n];
|
|
});
|
|
}
|
|
|
|
return data;
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the canvas position and size with new data.
|
|
* @param {Object} data - The new canvas data.
|
|
*/
|
|
setCanvasData: function setCanvasData(data) {
|
|
var canvas = this.canvas;
|
|
var aspectRatio = canvas.aspectRatio;
|
|
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(this.$element);
|
|
}
|
|
|
|
if (this.ready && !this.disabled && $.isPlainObject(data)) {
|
|
if (isNumber(data.left)) {
|
|
canvas.left = data.left;
|
|
}
|
|
|
|
if (isNumber(data.top)) {
|
|
canvas.top = data.top;
|
|
}
|
|
|
|
if (isNumber(data.width)) {
|
|
canvas.width = data.width;
|
|
canvas.height = data.width / aspectRatio;
|
|
} else if (isNumber(data.height)) {
|
|
canvas.height = data.height;
|
|
canvas.width = data.height * aspectRatio;
|
|
}
|
|
|
|
this.renderCanvas(true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the crop box position and size data.
|
|
* @returns {Object} The result crop box data.
|
|
*/
|
|
getCropBoxData: function getCropBoxData() {
|
|
var cropBox = this.cropBox;
|
|
|
|
|
|
return this.ready && this.cropped ? {
|
|
left: cropBox.left,
|
|
top: cropBox.top,
|
|
width: cropBox.width,
|
|
height: cropBox.height
|
|
} : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the crop box position and size with new data.
|
|
* @param {Object} data - The new crop box data.
|
|
*/
|
|
setCropBoxData: function setCropBoxData(data) {
|
|
var cropBox = this.cropBox;
|
|
var aspectRatio = this.options.aspectRatio;
|
|
|
|
var widthChanged = void 0;
|
|
var heightChanged = void 0;
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(this.$element);
|
|
}
|
|
|
|
if (this.ready && this.cropped && !this.disabled && $.isPlainObject(data)) {
|
|
if (isNumber(data.left)) {
|
|
cropBox.left = data.left;
|
|
}
|
|
|
|
if (isNumber(data.top)) {
|
|
cropBox.top = data.top;
|
|
}
|
|
|
|
if (isNumber(data.width) && data.width !== cropBox.width) {
|
|
widthChanged = true;
|
|
cropBox.width = data.width;
|
|
}
|
|
|
|
if (isNumber(data.height) && data.height !== cropBox.height) {
|
|
heightChanged = true;
|
|
cropBox.height = data.height;
|
|
}
|
|
|
|
if (aspectRatio) {
|
|
if (widthChanged) {
|
|
cropBox.height = cropBox.width / aspectRatio;
|
|
} else if (heightChanged) {
|
|
cropBox.width = cropBox.height * aspectRatio;
|
|
}
|
|
}
|
|
|
|
this.renderCropBox();
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get a canvas drawn the cropped image.
|
|
* @param {Object} [options={}] - The config options.
|
|
* @returns {HTMLCanvasElement} - The result canvas.
|
|
*/
|
|
getCroppedCanvas: function getCroppedCanvas() {
|
|
var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
|
|
|
|
if (!this.ready || !window.HTMLCanvasElement) {
|
|
return null;
|
|
}
|
|
|
|
var canvasData = this.canvas;
|
|
|
|
var source = getSourceCanvas(this.$clone[0], this.image, canvasData, options);
|
|
|
|
// Returns the source canvas if it is not cropped.
|
|
if (!this.cropped) {
|
|
return source;
|
|
}
|
|
|
|
var _getData = this.getData(),
|
|
x = _getData.x,
|
|
y = _getData.y,
|
|
initialWidth = _getData.width,
|
|
initialHeight = _getData.height;
|
|
|
|
var aspectRatio = initialWidth / initialHeight;
|
|
var maxSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: options.maxWidth || Infinity,
|
|
height: options.maxHeight || Infinity
|
|
});
|
|
var minSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: options.minWidth || 0,
|
|
height: options.minHeight || 0
|
|
});
|
|
|
|
var _getContainSizes = getContainSizes({
|
|
aspectRatio: aspectRatio,
|
|
width: options.width || initialWidth,
|
|
height: options.height || initialHeight
|
|
}),
|
|
width = _getContainSizes.width,
|
|
height = _getContainSizes.height;
|
|
|
|
width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
|
|
height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
|
|
|
|
var canvas = document.createElement('canvas');
|
|
var context = canvas.getContext('2d');
|
|
|
|
canvas.width = normalizeDecimalNumber(width);
|
|
canvas.height = normalizeDecimalNumber(height);
|
|
context.fillStyle = options.fillColor || 'transparent';
|
|
context.fillRect(0, 0, width, height);
|
|
|
|
var _options$imageSmoothi = options.imageSmoothingEnabled,
|
|
imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi,
|
|
imageSmoothingQuality = options.imageSmoothingQuality;
|
|
|
|
|
|
context.imageSmoothingEnabled = imageSmoothingEnabled;
|
|
|
|
if (imageSmoothingQuality) {
|
|
context.imageSmoothingQuality = imageSmoothingQuality;
|
|
}
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
|
|
var sourceWidth = source.width;
|
|
var sourceHeight = source.height;
|
|
|
|
// Source canvas parameters
|
|
var srcX = x;
|
|
var srcY = y;
|
|
var srcWidth = void 0;
|
|
var srcHeight = void 0;
|
|
|
|
// Destination canvas parameters
|
|
var dstX = void 0;
|
|
var dstY = void 0;
|
|
var dstWidth = void 0;
|
|
var dstHeight = void 0;
|
|
|
|
if (srcX <= -initialWidth || srcX > sourceWidth) {
|
|
srcX = 0;
|
|
srcWidth = 0;
|
|
dstX = 0;
|
|
dstWidth = 0;
|
|
} else if (srcX <= 0) {
|
|
dstX = -srcX;
|
|
srcX = 0;
|
|
srcWidth = Math.min(sourceWidth, initialWidth + srcX);
|
|
dstWidth = srcWidth;
|
|
} else if (srcX <= sourceWidth) {
|
|
dstX = 0;
|
|
srcWidth = Math.min(initialWidth, sourceWidth - srcX);
|
|
dstWidth = srcWidth;
|
|
}
|
|
|
|
if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
|
|
srcY = 0;
|
|
srcHeight = 0;
|
|
dstY = 0;
|
|
dstHeight = 0;
|
|
} else if (srcY <= 0) {
|
|
dstY = -srcY;
|
|
srcY = 0;
|
|
srcHeight = Math.min(sourceHeight, initialHeight + srcY);
|
|
dstHeight = srcHeight;
|
|
} else if (srcY <= sourceHeight) {
|
|
dstY = 0;
|
|
srcHeight = Math.min(initialHeight, sourceHeight - srcY);
|
|
dstHeight = srcHeight;
|
|
}
|
|
|
|
// All the numerical parameters should be integer for `drawImage`
|
|
// https://github.com/fengyuanchen/cropper/issues/476
|
|
var params = [srcX, srcY, srcWidth, srcHeight];
|
|
|
|
// Avoid "IndexSizeError"
|
|
if (dstWidth > 0 && dstHeight > 0) {
|
|
var scale = width / initialWidth;
|
|
|
|
params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
|
|
}
|
|
|
|
context.drawImage.apply(context, [source].concat(_toConsumableArray$1($.map(params, function (param) {
|
|
return Math.floor(normalizeDecimalNumber(param));
|
|
}))));
|
|
return canvas;
|
|
},
|
|
|
|
|
|
/**
|
|
* Change the aspect ratio of the crop box.
|
|
* @param {number} aspectRatio - The new aspect ratio.
|
|
*/
|
|
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();
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Change the drag mode.
|
|
* @param {string} mode - The new drag mode.
|
|
*/
|
|
setDragMode: function setDragMode(mode) {
|
|
var options = this.options;
|
|
|
|
var croppable = void 0;
|
|
var movable = void 0;
|
|
|
|
if (this.loaded && !this.disabled) {
|
|
croppable = mode === DRAG_MODE_CROP;
|
|
movable = options.movable && mode === DRAG_MODE_MOVE;
|
|
mode = croppable || movable ? mode : DRAG_MODE_NONE;
|
|
|
|
this.$dragBox.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
|
|
|
|
if (!options.cropBoxMovable) {
|
|
// Sync drag mode to crop box when it is not movable(#300)
|
|
this.$face.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
|
|
|
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
|
|
|
|
var Cropper = function () {
|
|
/**
|
|
* Create a new Cropper.
|
|
* @param {Element} element - The target element for cropping.
|
|
* @param {Object} [options={}] - The configuration options.
|
|
*/
|
|
function Cropper(element) {
|
|
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
|
|
|
|
_classCallCheck(this, Cropper);
|
|
|
|
if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
|
|
throw new Error('The first argument is required and must be an <img> or <canvas> element.');
|
|
}
|
|
|
|
this.element = element;
|
|
this.$element = $(element);
|
|
this.options = $.extend({}, DEFAULTS, $.isPlainObject(options) && options);
|
|
this.completed = false;
|
|
this.cropped = false;
|
|
this.disabled = false;
|
|
this.isImg = false;
|
|
this.limited = false;
|
|
this.loaded = false;
|
|
this.ready = false;
|
|
this.replaced = false;
|
|
this.wheeling = false;
|
|
this.originalUrl = '';
|
|
this.canvas = null;
|
|
this.cropBox = null;
|
|
this.pointers = {};
|
|
this.init();
|
|
}
|
|
|
|
_createClass(Cropper, [{
|
|
key: 'init',
|
|
value: function init() {
|
|
var $element = this.$element;
|
|
|
|
var url = void 0;
|
|
|
|
if ($element.is('img')) {
|
|
this.isImg = true;
|
|
|
|
// Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
|
|
url = $element.attr('src') || '';
|
|
this.originalUrl = url;
|
|
|
|
// Stop when it's a blank image
|
|
if (!url) {
|
|
return;
|
|
}
|
|
|
|
// Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
|
|
url = $element.prop('src');
|
|
} else if ($element.is('canvas') && window.HTMLCanvasElement) {
|
|
url = $element[0].toDataURL();
|
|
}
|
|
|
|
this.load(url);
|
|
}
|
|
|
|
// A shortcut for triggering custom events
|
|
|
|
}, {
|
|
key: 'trigger',
|
|
value: function trigger(type, data) {
|
|
var e = $.Event(type, data);
|
|
|
|
this.$element.trigger(e);
|
|
|
|
return e;
|
|
}
|
|
}, {
|
|
key: 'load',
|
|
value: function load(url) {
|
|
var _this = this;
|
|
|
|
if (!url) {
|
|
return;
|
|
}
|
|
|
|
this.url = url;
|
|
this.image = {};
|
|
|
|
var $element = this.$element,
|
|
options = this.options;
|
|
|
|
|
|
if (!options.checkOrientation || !window.ArrayBuffer) {
|
|
this.clone();
|
|
return;
|
|
}
|
|
|
|
// XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari
|
|
if (REGEXP_DATA_URL.test(url)) {
|
|
if (REGEXP_DATA_URL_JPEG.test(url)) {
|
|
this.read(dataURLToArrayBuffer(url));
|
|
} else {
|
|
this.clone();
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
var xhr = new XMLHttpRequest();
|
|
|
|
xhr.onerror = function () {
|
|
_this.clone();
|
|
};
|
|
|
|
xhr.onload = function () {
|
|
_this.read(xhr.response);
|
|
};
|
|
|
|
if (options.checkCrossOrigin && isCrossOriginURL(url) && $element.prop('crossOrigin')) {
|
|
url = addTimestamp(url);
|
|
}
|
|
|
|
xhr.open('get', url);
|
|
xhr.responseType = 'arraybuffer';
|
|
xhr.withCredentials = $element.prop('crossOrigin') === 'use-credentials';
|
|
xhr.send();
|
|
}
|
|
}, {
|
|
key: 'read',
|
|
value: function read(arrayBuffer) {
|
|
var options = this.options,
|
|
image = this.image;
|
|
|
|
var orientation = getOrientation(arrayBuffer);
|
|
var rotate = 0;
|
|
var scaleX = 1;
|
|
var scaleY = 1;
|
|
|
|
if (orientation > 1) {
|
|
this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');
|
|
|
|
var _parseOrientation = parseOrientation(orientation);
|
|
|
|
rotate = _parseOrientation.rotate;
|
|
scaleX = _parseOrientation.scaleX;
|
|
scaleY = _parseOrientation.scaleY;
|
|
}
|
|
|
|
if (options.rotatable) {
|
|
image.rotate = rotate;
|
|
}
|
|
|
|
if (options.scalable) {
|
|
image.scaleX = scaleX;
|
|
image.scaleY = scaleY;
|
|
}
|
|
|
|
this.clone();
|
|
}
|
|
}, {
|
|
key: 'clone',
|
|
value: function clone() {
|
|
var $element = this.$element,
|
|
options = this.options,
|
|
url = this.url;
|
|
|
|
var crossOrigin = '';
|
|
var crossOriginUrl = void 0;
|
|
|
|
if (options.checkCrossOrigin && isCrossOriginURL(url)) {
|
|
crossOrigin = $element.prop('crossOrigin');
|
|
|
|
if (crossOrigin) {
|
|
crossOriginUrl = url;
|
|
} else {
|
|
crossOrigin = 'anonymous';
|
|
|
|
// Bust cache (#148) when there is not a "crossOrigin" property
|
|
crossOriginUrl = addTimestamp(url);
|
|
}
|
|
}
|
|
|
|
this.crossOrigin = crossOrigin;
|
|
this.crossOriginUrl = crossOriginUrl;
|
|
|
|
var image = document.createElement('img');
|
|
|
|
if (crossOrigin) {
|
|
image.crossOrigin = crossOrigin;
|
|
}
|
|
|
|
image.src = crossOriginUrl || url;
|
|
|
|
var $clone = $(image);
|
|
|
|
this.$clone = $clone;
|
|
|
|
if (this.isImg) {
|
|
if (this.element.complete) {
|
|
this.start();
|
|
} else {
|
|
$element.one(EVENT_LOAD, $.proxy(this.start, this));
|
|
}
|
|
} else {
|
|
$clone.one(EVENT_LOAD, $.proxy(this.start, this)).one(EVENT_ERROR, $.proxy(this.stop, this)).addClass(CLASS_HIDE).insertAfter($element);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'start',
|
|
value: function start() {
|
|
var _this2 = this;
|
|
|
|
var $clone = this.$clone;
|
|
|
|
var $image = this.$element;
|
|
|
|
if (!this.isImg) {
|
|
$clone.off(EVENT_ERROR, this.stop);
|
|
$image = $clone;
|
|
}
|
|
|
|
getImageNaturalSizes($image[0], function (naturalWidth, naturalHeight) {
|
|
$.extend(_this2.image, {
|
|
naturalWidth: naturalWidth,
|
|
naturalHeight: naturalHeight,
|
|
aspectRatio: naturalWidth / naturalHeight
|
|
});
|
|
|
|
_this2.loaded = true;
|
|
_this2.build();
|
|
});
|
|
}
|
|
}, {
|
|
key: 'stop',
|
|
value: function stop() {
|
|
this.$clone.remove();
|
|
this.$clone = null;
|
|
}
|
|
}, {
|
|
key: 'build',
|
|
value: function build() {
|
|
var _this3 = this;
|
|
|
|
if (!this.loaded) {
|
|
return;
|
|
}
|
|
|
|
// Unbuild first when replace
|
|
if (this.ready) {
|
|
this.unbuild();
|
|
}
|
|
|
|
var $element = this.$element,
|
|
options = this.options,
|
|
$clone = this.$clone;
|
|
|
|
var $cropper = $(TEMPLATE);
|
|
var $cropBox = $cropper.find('.' + NAMESPACE + '-crop-box');
|
|
var $face = $cropBox.find('.' + NAMESPACE + '-face');
|
|
|
|
// Create cropper elements
|
|
this.$container = $element.parent();
|
|
this.$cropper = $cropper;
|
|
this.$canvas = $cropper.find('.' + NAMESPACE + '-canvas').append($clone);
|
|
this.$dragBox = $cropper.find('.' + NAMESPACE + '-drag-box');
|
|
this.$cropBox = $cropBox;
|
|
this.$viewBox = $cropper.find('.' + NAMESPACE + '-view-box');
|
|
this.$face = $face;
|
|
|
|
// Hide the original image
|
|
$element.addClass(CLASS_HIDDEN).after($cropper);
|
|
|
|
// Show the clone image if is hidden
|
|
if (!this.isImg) {
|
|
$clone.removeClass(CLASS_HIDE);
|
|
}
|
|
|
|
this.initPreview();
|
|
this.bind();
|
|
|
|
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
|
|
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
|
|
|
|
this.cropped = options.autoCrop;
|
|
|
|
if (options.autoCrop) {
|
|
if (options.modal) {
|
|
this.$dragBox.addClass(CLASS_MODAL);
|
|
}
|
|
} else {
|
|
$cropBox.addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (!options.guides) {
|
|
$cropBox.find('.' + NAMESPACE + '-dashed').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (!options.center) {
|
|
$cropBox.find('.' + NAMESPACE + '-center').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (options.cropBoxMovable) {
|
|
$face.addClass(CLASS_MOVE).data(DATA_ACTION, ACTION_ALL);
|
|
}
|
|
|
|
if (!options.highlight) {
|
|
$face.addClass(CLASS_INVISIBLE);
|
|
}
|
|
|
|
if (options.background) {
|
|
$cropper.addClass(NAMESPACE + '-bg');
|
|
}
|
|
|
|
if (!options.cropBoxResizable) {
|
|
$cropBox.find('.' + NAMESPACE + '-line,.' + NAMESPACE + '-point').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
this.setDragMode(options.dragMode);
|
|
this.render();
|
|
this.ready = true;
|
|
this.setData(options.data);
|
|
|
|
// Trigger the ready event asynchronously to keep `data('cropper')` is defined
|
|
this.completing = setTimeout(function () {
|
|
if ($.isFunction(options.ready)) {
|
|
$element.one(EVENT_READY, options.ready);
|
|
}
|
|
|
|
_this3.trigger(EVENT_READY);
|
|
_this3.trigger(EVENT_CROP, _this3.getData());
|
|
_this3.completed = true;
|
|
}, 0);
|
|
}
|
|
}, {
|
|
key: 'unbuild',
|
|
value: function unbuild() {
|
|
if (!this.ready) {
|
|
return;
|
|
}
|
|
|
|
if (!this.completed) {
|
|
clearTimeout(this.completing);
|
|
}
|
|
|
|
this.ready = false;
|
|
this.completed = false;
|
|
this.initialImage = null;
|
|
|
|
// Clear `initialCanvas` is necessary when replace
|
|
this.initialCanvas = null;
|
|
this.initialCropBox = null;
|
|
this.container = null;
|
|
this.canvas = null;
|
|
|
|
// Clear `cropBox` is necessary when replace
|
|
this.cropBox = null;
|
|
this.unbind();
|
|
|
|
this.resetPreview();
|
|
this.$preview = null;
|
|
|
|
this.$viewBox = null;
|
|
this.$cropBox = null;
|
|
this.$dragBox = null;
|
|
this.$canvas = null;
|
|
this.$container = null;
|
|
|
|
this.$cropper.remove();
|
|
this.$cropper = null;
|
|
}
|
|
|
|
/**
|
|
* Change the default options.
|
|
* @param {Object} options - The new default options.
|
|
*/
|
|
|
|
}], [{
|
|
key: 'setDefaults',
|
|
value: function setDefaults(options) {
|
|
$.extend(DEFAULTS, $.isPlainObject(options) && options);
|
|
}
|
|
}]);
|
|
|
|
return Cropper;
|
|
}();
|
|
|
|
if ($.extend) {
|
|
$.extend(Cropper.prototype, render, preview, events, handlers, change, methods);
|
|
}
|
|
|
|
if ($.fn) {
|
|
var AnotherCropper = $.fn.cropper;
|
|
|
|
$.fn.cropper = function jQueryCropper(option) {
|
|
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
|
|
args[_key - 1] = arguments[_key];
|
|
}
|
|
|
|
var result = void 0;
|
|
|
|
this.each(function (i, element) {
|
|
var $element = $(element);
|
|
var data = $element.data(NAMESPACE);
|
|
|
|
if (!data) {
|
|
if (/destroy/.test(option)) {
|
|
return;
|
|
}
|
|
|
|
var options = $.extend({}, $element.data(), $.isPlainObject(option) && option);
|
|
|
|
data = new Cropper(element, options);
|
|
$element.data(NAMESPACE, data);
|
|
}
|
|
|
|
if (isString(option)) {
|
|
var fn = data[option];
|
|
|
|
if ($.isFunction(fn)) {
|
|
result = fn.apply(data, args);
|
|
}
|
|
}
|
|
});
|
|
|
|
return isUndefined(result) ? this : result;
|
|
};
|
|
|
|
$.fn.cropper.Constructor = Cropper;
|
|
$.fn.cropper.setDefaults = Cropper.setDefaults;
|
|
$.fn.cropper.noConflict = function noConflict() {
|
|
$.fn.cropper = AnotherCropper;
|
|
return this;
|
|
};
|
|
}
|