3087 lines
101 KiB
JavaScript
3087 lines
101 KiB
JavaScript
/*!
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* Cropper v3.0.0
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*/
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layui.define(['jquery'], function (exports) {
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var $ = layui.jquery;
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$ = $ && $.hasOwnProperty('default') ? $['default'] : $;
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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: '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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var REGEXP_DATA_URL_HEAD = /^data:.*,/;
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var REGEXP_USERAGENT = /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i;
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var navigator = typeof window !== 'undefined' ? window.navigator : null;
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var IS_SAFARI_OR_UIWEBVIEW = navigator && REGEXP_USERAGENT.test(navigator.userAgent);
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var fromCharCode = String.fromCharCode;
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function isNumber(n) {
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return typeof n === 'number' && !isNaN(n);
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}
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function isUndefined(n) {
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return typeof n === 'undefined';
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}
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function toArray(obj, offset) {
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var args = [];
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// This is necessary for IE8
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if (isNumber(offset)) {
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args.push(offset);
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}
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return args.slice.apply(obj, args);
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}
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// Custom proxy to avoid jQuery's guid
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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(toArray(args2)));
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};
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}
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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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function isCrossOriginURL(url) {
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var parts = url.match(/^(https?:)\/\/([^:/?#]+):?(\d*)/i);
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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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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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function getImageSize(image, callback) {
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// Modern browsers (ignore Safari, #120 & #509)
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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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// IE8: Don't use `new Image()` here (#319)
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var newImage = document.createElement('img');
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newImage.onload = function load() {
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callback(this.width, this.height);
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};
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newImage.src = image.src;
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}
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function getTransform(options) {
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var transforms = [];
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var translateX = options.translateX;
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var translateY = options.translateY;
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var rotate = options.rotate;
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var scaleX = options.scaleX;
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var scaleY = options.scaleY;
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if (isNumber(translateX) && translateX !== 0) {
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transforms.push('translateX(' + translateX + 'px)');
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}
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if (isNumber(translateY) && translateY !== 0) {
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transforms.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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transforms.push('rotate(' + rotate + 'deg)');
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}
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if (isNumber(scaleX) && scaleX !== 1) {
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transforms.push('scaleX(' + scaleX + ')');
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}
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if (isNumber(scaleY) && scaleY !== 1) {
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transforms.push('scaleY(' + scaleY + ')');
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}
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return transforms.length ? transforms.join(' ') : 'none';
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}
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function getRotatedSizes(data, isReversed) {
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var deg = Math.abs(data.degree) % 180;
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var arc = (deg > 90 ? 180 - deg : deg) * 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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var width = data.width;
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var height = data.height;
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var aspectRatio = data.aspectRatio;
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var newWidth = void 0;
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var newHeight = void 0;
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if (!isReversed) {
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newWidth = width * cosArc + height * sinArc;
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newHeight = width * sinArc + height * cosArc;
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} else {
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newWidth = width / (cosArc + sinArc / aspectRatio);
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newHeight = newWidth / aspectRatio;
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}
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return {
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width: newWidth,
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height: newHeight
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};
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}
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function getSourceCanvas(image, data, options) {
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var canvas = $('<canvas>')[0];
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var context = canvas.getContext('2d');
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var dstX = 0;
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var dstY = 0;
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var dstWidth = data.naturalWidth;
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var dstHeight = data.naturalHeight;
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var rotate = data.rotate;
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var scaleX = data.scaleX;
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var scaleY = data.scaleY;
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var scalable = isNumber(scaleX) && isNumber(scaleY) && (scaleX !== 1 || scaleY !== 1);
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var rotatable = isNumber(rotate) && rotate !== 0;
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var advanced = rotatable || scalable;
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var canvasWidth = dstWidth * Math.abs(scaleX || 1);
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var canvasHeight = dstHeight * Math.abs(scaleY || 1);
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var translateX = void 0;
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var translateY = void 0;
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var rotated = void 0;
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if (scalable) {
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translateX = canvasWidth / 2;
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translateY = canvasHeight / 2;
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}
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if (rotatable) {
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rotated = getRotatedSizes({
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width: canvasWidth,
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height: canvasHeight,
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degree: rotate
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});
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canvasWidth = rotated.width;
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canvasHeight = rotated.height;
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translateX = canvasWidth / 2;
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translateY = canvasHeight / 2;
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}
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canvas.width = canvasWidth;
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canvas.height = canvasHeight;
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if (options.fillColor) {
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context.fillStyle = options.fillColor;
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context.fillRect(0, 0, canvasWidth, canvasHeight);
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}
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if (advanced) {
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dstX = -dstWidth / 2;
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dstY = -dstHeight / 2;
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context.save();
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context.translate(translateX, translateY);
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}
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// Rotate should come first before scale as in the "getTransform" function
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if (rotatable) {
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context.rotate(rotate * Math.PI / 180);
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}
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if (scalable) {
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context.scale(scaleX, scaleY);
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}
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context.imageSmoothingEnabled = !!options.imageSmoothingEnabled;
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if (options.imageSmoothingQuality) {
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context.imageSmoothingQuality = options.imageSmoothingQuality;
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}
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context.drawImage(image, Math.floor(dstX), Math.floor(dstY), Math.floor(dstWidth), Math.floor(dstHeight));
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if (advanced) {
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context.restore();
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}
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return canvas;
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}
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function getStringFromCharCode(dataView, start, length) {
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var str = '';
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var i = void 0;
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for (i = start, length += start; i < length; i += 1) {
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str += fromCharCode(dataView.getUint8(i));
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}
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return str;
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}
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function getOrientation(arrayBuffer) {
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var dataView = new DataView(arrayBuffer);
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var length = dataView.byteLength;
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var orientation = void 0;
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var exifIDCode = void 0;
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var tiffOffset = void 0;
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var firstIFDOffset = void 0;
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var littleEndian = void 0;
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var endianness = void 0;
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var app1Start = void 0;
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var ifdStart = void 0;
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var offset = void 0;
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var i = void 0;
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// Only handle JPEG image (start by 0xFFD8)
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if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
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offset = 2;
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while (offset < length) {
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if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
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app1Start = offset;
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break;
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}
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offset += 1;
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}
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}
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if (app1Start) {
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exifIDCode = app1Start + 4;
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tiffOffset = app1Start + 10;
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if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
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endianness = dataView.getUint16(tiffOffset);
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littleEndian = endianness === 0x4949;
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if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
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if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
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firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
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if (firstIFDOffset >= 0x00000008) {
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ifdStart = tiffOffset + firstIFDOffset;
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}
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}
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}
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}
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}
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if (ifdStart) {
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length = dataView.getUint16(ifdStart, littleEndian);
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for (i = 0; i < length; i += 1) {
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offset = ifdStart + i * 12 + 2;
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if (dataView.getUint16(offset, littleEndian) === 0x0112 /* Orientation */) {
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// 8 is the offset of the current tag's value
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offset += 8;
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// Get the original orientation value
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orientation = dataView.getUint16(offset, littleEndian);
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// Override the orientation with its default value for Safari (#120)
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if (IS_SAFARI_OR_UIWEBVIEW) {
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dataView.setUint16(offset, 1, littleEndian);
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}
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break;
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}
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}
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}
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return orientation;
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}
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function dataURLToArrayBuffer(dataURL) {
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var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
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var binary = atob(base64);
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var length = binary.length;
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var arrayBuffer = new ArrayBuffer(length);
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var dataView = new Uint8Array(arrayBuffer);
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var i = void 0;
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for (i = 0; i < length; i += 1) {
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dataView[i] = binary.charCodeAt(i);
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}
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return arrayBuffer;
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}
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// Only available for JPEG image
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function arrayBufferToDataURL(arrayBuffer) {
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var dataView = new Uint8Array(arrayBuffer);
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var length = dataView.length;
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var base64 = '';
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var i = void 0;
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for (i = 0; i < length; i += 1) {
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base64 += fromCharCode(dataView[i]);
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}
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return 'data:image/jpeg;base64,' + btoa(base64);
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}
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var render = {
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render: function render() {
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var self = this;
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self.initContainer();
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self.initCanvas();
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self.initCropBox();
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self.renderCanvas();
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if (self.cropped) {
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self.renderCropBox();
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}
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},
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initContainer: function initContainer() {
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var self = this;
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var options = self.options;
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var $this = self.$element;
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var $container = self.$container;
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var $cropper = self.$cropper;
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var hidden = 'cropper-hidden';
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$cropper.addClass(hidden);
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$this.removeClass(hidden);
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$cropper.css(self.container = {
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width: Math.max($container.width(), Number(options.minContainerWidth) || 200),
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height: Math.max($container.height(), Number(options.minContainerHeight) || 100)
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});
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$this.addClass(hidden);
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$cropper.removeClass(hidden);
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},
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// Canvas (image wrapper)
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initCanvas: function initCanvas() {
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var self = this;
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var viewMode = self.options.viewMode;
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var container = self.container;
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var containerWidth = container.width;
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var containerHeight = container.height;
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var image = self.image;
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var imageNaturalWidth = image.naturalWidth;
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var imageNaturalHeight = image.naturalHeight;
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var is90Degree = Math.abs(image.rotate) % 180 === 90;
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var naturalWidth = is90Degree ? imageNaturalHeight : imageNaturalWidth;
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var naturalHeight = is90Degree ? imageNaturalWidth : imageNaturalHeight;
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var aspectRatio = naturalWidth / naturalHeight;
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var canvasWidth = containerWidth;
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var canvasHeight = containerHeight;
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if (containerHeight * aspectRatio > containerWidth) {
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if (viewMode === 3) {
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canvasWidth = containerHeight * aspectRatio;
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} else {
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canvasHeight = containerWidth / aspectRatio;
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}
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} else if (viewMode === 3) {
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canvasHeight = containerWidth / aspectRatio;
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} else {
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canvasWidth = containerHeight * aspectRatio;
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}
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var canvas = {
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naturalWidth: naturalWidth,
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naturalHeight: naturalHeight,
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aspectRatio: aspectRatio,
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width: canvasWidth,
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height: canvasHeight
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};
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canvas.left = (containerWidth - canvasWidth) / 2;
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canvas.top = (containerHeight - canvasHeight) / 2;
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canvas.oldLeft = canvas.left;
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canvas.oldTop = canvas.top;
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self.canvas = canvas;
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self.limited = viewMode === 1 || viewMode === 2;
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self.limitCanvas(true, true);
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self.initialImage = $.extend({}, image);
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self.initialCanvas = $.extend({}, canvas);
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},
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limitCanvas: function limitCanvas(isSizeLimited, isPositionLimited) {
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var self = this;
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var options = self.options;
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var viewMode = options.viewMode;
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var container = self.container;
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var containerWidth = container.width;
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var containerHeight = container.height;
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var canvas = self.canvas;
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var aspectRatio = canvas.aspectRatio;
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var cropBox = self.cropBox;
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var cropped = self.cropped && cropBox;
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if (isSizeLimited) {
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var minCanvasWidth = Number(options.minCanvasWidth) || 0;
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var minCanvasHeight = Number(options.minCanvasHeight) || 0;
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if (viewMode) {
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if (viewMode > 1) {
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minCanvasWidth = Math.max(minCanvasWidth, containerWidth);
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minCanvasHeight = Math.max(minCanvasHeight, containerHeight);
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if (viewMode === 3) {
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if (minCanvasHeight * aspectRatio > minCanvasWidth) {
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minCanvasWidth = minCanvasHeight * aspectRatio;
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} 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (minCanvasWidth && minCanvasHeight) {
|
|
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
|
minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
} else {
|
|
minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
}
|
|
} else if (minCanvasWidth) {
|
|
minCanvasHeight = minCanvasWidth / aspectRatio;
|
|
} else if (minCanvasHeight) {
|
|
minCanvasWidth = minCanvasHeight * aspectRatio;
|
|
}
|
|
|
|
canvas.minWidth = minCanvasWidth;
|
|
canvas.minHeight = minCanvasHeight;
|
|
canvas.maxWidth = Infinity;
|
|
canvas.maxHeight = Infinity;
|
|
}
|
|
|
|
if (isPositionLimited) {
|
|
if (viewMode) {
|
|
var newCanvasLeft = containerWidth - canvas.width;
|
|
var newCanvasTop = containerHeight - 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 && self.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 >= containerWidth) {
|
|
canvas.minLeft = Math.min(0, newCanvasLeft);
|
|
canvas.maxLeft = Math.max(0, newCanvasLeft);
|
|
}
|
|
|
|
if (canvas.height >= containerHeight) {
|
|
canvas.minTop = Math.min(0, newCanvasTop);
|
|
canvas.maxTop = Math.max(0, newCanvasTop);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
canvas.minLeft = -canvas.width;
|
|
canvas.minTop = -canvas.height;
|
|
canvas.maxLeft = containerWidth;
|
|
canvas.maxTop = containerHeight;
|
|
}
|
|
}
|
|
},
|
|
renderCanvas: function renderCanvas(isChanged) {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
var image = self.image;
|
|
var rotate = image.rotate;
|
|
var naturalWidth = image.naturalWidth;
|
|
var naturalHeight = image.naturalHeight;
|
|
|
|
if (self.rotated) {
|
|
self.rotated = false;
|
|
|
|
// Computes rotated sizes with image sizes
|
|
var rotated = getRotatedSizes({
|
|
width: image.width,
|
|
height: image.height,
|
|
degree: rotate
|
|
});
|
|
var aspectRatio = rotated.width / rotated.height;
|
|
var isSquareImage = image.aspectRatio === 1;
|
|
|
|
if (isSquareImage || aspectRatio !== canvas.aspectRatio) {
|
|
canvas.left -= (rotated.width - canvas.width) / 2;
|
|
canvas.top -= (rotated.height - canvas.height) / 2;
|
|
canvas.width = rotated.width;
|
|
canvas.height = rotated.height;
|
|
canvas.aspectRatio = aspectRatio;
|
|
canvas.naturalWidth = naturalWidth;
|
|
canvas.naturalHeight = naturalHeight;
|
|
|
|
// Computes rotated sizes with natural image sizes
|
|
if (isSquareImage && rotate % 90 || rotate % 180) {
|
|
var rotated2 = getRotatedSizes({
|
|
width: naturalWidth,
|
|
height: naturalHeight,
|
|
degree: rotate
|
|
});
|
|
|
|
canvas.naturalWidth = rotated2.width;
|
|
canvas.naturalHeight = rotated2.height;
|
|
}
|
|
|
|
self.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);
|
|
|
|
self.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;
|
|
|
|
self.$canvas.css({
|
|
width: canvas.width,
|
|
height: canvas.height,
|
|
transform: getTransform({
|
|
translateX: canvas.left,
|
|
translateY: canvas.top
|
|
})
|
|
});
|
|
|
|
self.renderImage();
|
|
|
|
if (self.cropped && self.limited) {
|
|
self.limitCropBox(true, true);
|
|
}
|
|
|
|
if (isChanged) {
|
|
self.output();
|
|
}
|
|
},
|
|
renderImage: function renderImage(isChanged) {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
var image = self.image;
|
|
var reversed = void 0;
|
|
|
|
if (image.rotate) {
|
|
reversed = getRotatedSizes({
|
|
width: canvas.width,
|
|
height: canvas.height,
|
|
degree: image.rotate,
|
|
aspectRatio: image.aspectRatio
|
|
}, true);
|
|
}
|
|
|
|
$.extend(image, reversed ? {
|
|
width: reversed.width,
|
|
height: reversed.height,
|
|
left: (canvas.width - reversed.width) / 2,
|
|
top: (canvas.height - reversed.height) / 2
|
|
} : {
|
|
width: canvas.width,
|
|
height: canvas.height,
|
|
left: 0,
|
|
top: 0
|
|
});
|
|
|
|
self.$clone.css({
|
|
width: image.width,
|
|
height: image.height,
|
|
transform: getTransform($.extend({
|
|
translateX: image.left,
|
|
translateY: image.top
|
|
}, image))
|
|
});
|
|
|
|
if (isChanged) {
|
|
self.output();
|
|
}
|
|
},
|
|
initCropBox: function initCropBox() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var canvas = self.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;
|
|
}
|
|
}
|
|
|
|
self.cropBox = cropBox;
|
|
self.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;
|
|
|
|
self.initialCropBox = $.extend({}, cropBox);
|
|
},
|
|
limitCropBox: function limitCropBox(isSizeLimited, isPositionLimited) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var aspectRatio = options.aspectRatio;
|
|
var container = self.container;
|
|
var containerWidth = container.width;
|
|
var containerHeight = container.height;
|
|
var canvas = self.canvas;
|
|
var cropBox = self.cropBox;
|
|
var limited = self.limited;
|
|
|
|
if (isSizeLimited) {
|
|
var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
|
|
var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
|
|
var maxCropBoxWidth = Math.min(containerWidth, limited ? canvas.width : containerWidth);
|
|
var maxCropBoxHeight = Math.min(containerHeight, limited ? canvas.height : containerHeight);
|
|
|
|
// The min/maxCropBoxWidth/Height must be less than containerWidth/Height
|
|
minCropBoxWidth = Math.min(minCropBoxWidth, containerWidth);
|
|
minCropBoxHeight = Math.min(minCropBoxHeight, containerHeight);
|
|
|
|
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(containerWidth, canvas.left + canvas.width) - cropBox.width;
|
|
cropBox.maxTop = Math.min(containerHeight, canvas.top + canvas.height) - cropBox.height;
|
|
} else {
|
|
cropBox.minLeft = 0;
|
|
cropBox.minTop = 0;
|
|
cropBox.maxLeft = containerWidth - cropBox.width;
|
|
cropBox.maxTop = containerHeight - cropBox.height;
|
|
}
|
|
}
|
|
},
|
|
renderCropBox: function renderCropBox() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var container = self.container;
|
|
var containerWidth = container.width;
|
|
var containerHeight = container.height;
|
|
var cropBox = self.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);
|
|
|
|
self.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
|
|
self.$face.data('action', cropBox.width === containerWidth && cropBox.height === containerHeight ? 'move' : 'all');
|
|
}
|
|
|
|
self.$cropBox.css({
|
|
width: cropBox.width,
|
|
height: cropBox.height,
|
|
transform: getTransform({
|
|
translateX: cropBox.left,
|
|
translateY: cropBox.top
|
|
})
|
|
});
|
|
|
|
if (self.cropped && self.limited) {
|
|
self.limitCanvas(true, true);
|
|
}
|
|
|
|
if (!self.disabled) {
|
|
self.output();
|
|
}
|
|
},
|
|
output: function output() {
|
|
var self = this;
|
|
|
|
self.preview();
|
|
|
|
if (self.completed) {
|
|
self.trigger('crop', self.getData());
|
|
}
|
|
}
|
|
};
|
|
|
|
var DATA_PREVIEW = 'preview';
|
|
|
|
var preview = {
|
|
initPreview: function initPreview() {
|
|
var self = this;
|
|
var crossOrigin = self.crossOrigin;
|
|
var url = crossOrigin ? self.crossOriginUrl : self.url;
|
|
var image = document.createElement('img');
|
|
|
|
if (crossOrigin) {
|
|
image.crossOrigin = crossOrigin;
|
|
}
|
|
|
|
image.src = url;
|
|
|
|
var $clone2 = $(image);
|
|
|
|
self.$preview = $(self.options.preview);
|
|
self.$clone2 = $clone2;
|
|
self.$viewBox.html($clone2);
|
|
self.$preview.each(function (i, element) {
|
|
var $this = $(element);
|
|
var img = document.createElement('img');
|
|
|
|
// Save the original size for recover
|
|
$this.data(DATA_PREVIEW, {
|
|
width: $this.width(),
|
|
height: $this.height(),
|
|
html: $this.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;"';
|
|
|
|
$this.html(img);
|
|
});
|
|
},
|
|
resetPreview: function resetPreview() {
|
|
this.$preview.each(function (i, element) {
|
|
var $this = $(element);
|
|
var data = $this.data(DATA_PREVIEW);
|
|
|
|
$this.css({
|
|
width: data.width,
|
|
height: data.height
|
|
}).html(data.html).removeData(DATA_PREVIEW);
|
|
});
|
|
},
|
|
preview: function preview() {
|
|
var self = this;
|
|
var image = self.image;
|
|
var canvas = self.canvas;
|
|
var cropBox = self.cropBox;
|
|
var cropBoxWidth = cropBox.width;
|
|
var cropBoxHeight = cropBox.height;
|
|
var width = image.width;
|
|
var height = image.height;
|
|
var left = cropBox.left - canvas.left - image.left;
|
|
var top = cropBox.top - canvas.top - image.top;
|
|
|
|
if (!self.cropped || self.disabled) {
|
|
return;
|
|
}
|
|
|
|
self.$clone2.css({
|
|
width: width,
|
|
height: height,
|
|
transform: getTransform($.extend({
|
|
translateX: -left,
|
|
translateY: -top
|
|
}, image))
|
|
});
|
|
|
|
self.$preview.each(function (i, element) {
|
|
var $this = $(element);
|
|
var data = $this.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;
|
|
}
|
|
|
|
$this.css({
|
|
width: newWidth,
|
|
height: newHeight
|
|
}).find('img').css({
|
|
width: width * ratio,
|
|
height: height * ratio,
|
|
transform: getTransform($.extend({
|
|
translateX: -left * ratio,
|
|
translateY: -top * ratio
|
|
}, image))
|
|
});
|
|
});
|
|
}
|
|
};
|
|
|
|
// Globals
|
|
var PointerEvent = typeof window !== 'undefined' ? window.PointerEvent : null;
|
|
|
|
// Events
|
|
var EVENT_POINTER_DOWN = PointerEvent ? 'pointerdown' : 'touchstart mousedown';
|
|
var EVENT_POINTER_MOVE = PointerEvent ? 'pointermove' : 'touchmove mousemove';
|
|
var EVENT_POINTER_UP = PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
|
|
var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
|
|
var EVENT_DBLCLICK = 'dblclick';
|
|
var EVENT_RESIZE = 'resize';
|
|
var EVENT_CROP_START = 'cropstart';
|
|
var EVENT_CROP_MOVE = 'cropmove';
|
|
var EVENT_CROP_END = 'cropend';
|
|
var EVENT_CROP = 'crop';
|
|
var EVENT_ZOOM = 'zoom';
|
|
|
|
var events = {
|
|
bind: function bind() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var $this = self.$element;
|
|
var $cropper = self.$cropper;
|
|
|
|
if ($.isFunction(options.cropstart)) {
|
|
$this.on(EVENT_CROP_START, options.cropstart);
|
|
}
|
|
|
|
if ($.isFunction(options.cropmove)) {
|
|
$this.on(EVENT_CROP_MOVE, options.cropmove);
|
|
}
|
|
|
|
if ($.isFunction(options.cropend)) {
|
|
$this.on(EVENT_CROP_END, options.cropend);
|
|
}
|
|
|
|
if ($.isFunction(options.crop)) {
|
|
$this.on(EVENT_CROP, options.crop);
|
|
}
|
|
|
|
if ($.isFunction(options.zoom)) {
|
|
$this.on(EVENT_ZOOM, options.zoom);
|
|
}
|
|
|
|
$cropper.on(EVENT_POINTER_DOWN, proxy(self.cropStart, this));
|
|
|
|
if (options.zoomable && options.zoomOnWheel) {
|
|
$cropper.on(EVENT_WHEEL, proxy(self.wheel, this));
|
|
}
|
|
|
|
if (options.toggleDragModeOnDblclick) {
|
|
$cropper.on(EVENT_DBLCLICK, proxy(self.dblclick, this));
|
|
}
|
|
|
|
$(document).on(EVENT_POINTER_MOVE, self.onCropMove = proxy(self.cropMove, this)).on(EVENT_POINTER_UP, self.onCropEnd = proxy(self.cropEnd, this));
|
|
|
|
if (options.responsive) {
|
|
$(window).on(EVENT_RESIZE, self.onResize = proxy(self.resize, this));
|
|
}
|
|
},
|
|
unbind: function unbind() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var $this = self.$element;
|
|
var $cropper = self.$cropper;
|
|
|
|
if ($.isFunction(options.cropstart)) {
|
|
$this.off(EVENT_CROP_START, options.cropstart);
|
|
}
|
|
|
|
if ($.isFunction(options.cropmove)) {
|
|
$this.off(EVENT_CROP_MOVE, options.cropmove);
|
|
}
|
|
|
|
if ($.isFunction(options.cropend)) {
|
|
$this.off(EVENT_CROP_END, options.cropend);
|
|
}
|
|
|
|
if ($.isFunction(options.crop)) {
|
|
$this.off(EVENT_CROP, options.crop);
|
|
}
|
|
|
|
if ($.isFunction(options.zoom)) {
|
|
$this.off(EVENT_ZOOM, options.zoom);
|
|
}
|
|
|
|
$cropper.off(EVENT_POINTER_DOWN, self.cropStart);
|
|
|
|
if (options.zoomable && options.zoomOnWheel) {
|
|
$cropper.off(EVENT_WHEEL, self.wheel);
|
|
}
|
|
|
|
if (options.toggleDragModeOnDblclick) {
|
|
$cropper.off(EVENT_DBLCLICK, self.dblclick);
|
|
}
|
|
|
|
$(document).off(EVENT_POINTER_MOVE, self.onCropMove).off(EVENT_POINTER_UP, self.onCropEnd);
|
|
|
|
if (options.responsive) {
|
|
$(window).off(EVENT_RESIZE, self.onResize);
|
|
}
|
|
}
|
|
};
|
|
|
|
var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
|
|
|
|
function getPointer(_ref, endOnly) {
|
|
var pageX = _ref.pageX,
|
|
pageY = _ref.pageY;
|
|
|
|
var end = {
|
|
endX: pageX,
|
|
endY: pageY
|
|
};
|
|
|
|
if (endOnly) {
|
|
return end;
|
|
}
|
|
|
|
return $.extend({
|
|
startX: pageX,
|
|
startY: pageY
|
|
}, end);
|
|
}
|
|
|
|
var handlers = {
|
|
resize: function resize() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var $container = self.$container;
|
|
var container = self.container;
|
|
var minContainerWidth = Number(options.minContainerWidth) || 200;
|
|
var minContainerHeight = Number(options.minContainerHeight) || 100;
|
|
|
|
if (self.disabled || container.width === minContainerWidth || container.height === minContainerHeight) {
|
|
return;
|
|
}
|
|
|
|
var ratio = $container.width() / container.width;
|
|
|
|
// Resize when width changed or height changed
|
|
if (ratio !== 1 || $container.height() !== container.height) {
|
|
var canvasData = void 0;
|
|
var cropBoxData = void 0;
|
|
|
|
if (options.restore) {
|
|
canvasData = self.getCanvasData();
|
|
cropBoxData = self.getCropBoxData();
|
|
}
|
|
|
|
self.render();
|
|
|
|
if (options.restore) {
|
|
self.setCanvasData($.each(canvasData, function (i, n) {
|
|
canvasData[i] = n * ratio;
|
|
}));
|
|
self.setCropBoxData($.each(cropBoxData, function (i, n) {
|
|
cropBoxData[i] = n * ratio;
|
|
}));
|
|
}
|
|
}
|
|
},
|
|
dblclick: function dblclick() {
|
|
var self = this;
|
|
|
|
if (self.disabled || self.options.dragMode === 'none') {
|
|
return;
|
|
}
|
|
|
|
self.setDragMode(self.$dragBox.hasClass('cropper-crop') ? 'move' : 'crop');
|
|
},
|
|
wheel: function wheel(event) {
|
|
var self = this;
|
|
var e = event.originalEvent || event;
|
|
var ratio = Number(self.options.wheelZoomRatio) || 0.1;
|
|
|
|
if (self.disabled) {
|
|
return;
|
|
}
|
|
|
|
event.preventDefault();
|
|
|
|
// Limit wheel speed to prevent zoom too fast
|
|
if (self.wheeling) {
|
|
return;
|
|
}
|
|
|
|
self.wheeling = true;
|
|
|
|
setTimeout(function () {
|
|
self.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;
|
|
}
|
|
|
|
self.zoom(-delta * ratio, event);
|
|
},
|
|
cropStart: function cropStart(e) {
|
|
var self = this;
|
|
|
|
if (self.disabled) {
|
|
return;
|
|
}
|
|
|
|
var options = self.options;
|
|
var pointers = self.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 = 'zoom';
|
|
} else {
|
|
action = $(e.target).data('action');
|
|
}
|
|
|
|
if (!REGEXP_ACTIONS.test(action)) {
|
|
return;
|
|
}
|
|
|
|
if (self.trigger('cropstart', {
|
|
originalEvent: originalEvent,
|
|
action: action
|
|
}).isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
self.action = action;
|
|
self.cropping = false;
|
|
|
|
if (action === 'crop') {
|
|
self.cropping = true;
|
|
self.$dragBox.addClass('cropper-modal');
|
|
}
|
|
},
|
|
cropMove: function cropMove(e) {
|
|
var self = this;
|
|
var action = self.action;
|
|
|
|
if (self.disabled || !action) {
|
|
return;
|
|
}
|
|
|
|
var pointers = self.pointers;
|
|
var originalEvent = e.originalEvent;
|
|
|
|
e.preventDefault();
|
|
|
|
if (self.trigger('cropmove', {
|
|
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));
|
|
}
|
|
|
|
self.change(e);
|
|
},
|
|
cropEnd: function cropEnd(e) {
|
|
var self = this;
|
|
|
|
if (self.disabled) {
|
|
return;
|
|
}
|
|
|
|
var action = self.action;
|
|
var pointers = self.pointers;
|
|
var originalEvent = e.originalEvent;
|
|
|
|
if (originalEvent && originalEvent.changedTouches) {
|
|
$.each(originalEvent.changedTouches, function (i, touch) {
|
|
delete pointers[touch.identifier];
|
|
});
|
|
} else {
|
|
delete pointers[originalEvent && originalEvent.pointerId || 0];
|
|
}
|
|
|
|
if (!action) {
|
|
return;
|
|
}
|
|
|
|
e.preventDefault();
|
|
|
|
if (!objectKeys(pointers).length) {
|
|
self.action = '';
|
|
}
|
|
|
|
if (self.cropping) {
|
|
self.cropping = false;
|
|
self.$dragBox.toggleClass('cropper-modal', self.cropped && self.options.modal);
|
|
}
|
|
|
|
self.trigger('cropend', {
|
|
originalEvent: originalEvent,
|
|
action: action
|
|
});
|
|
}
|
|
};
|
|
|
|
// Actions
|
|
var ACTION_EAST = 'e';
|
|
var ACTION_WEST = 'w';
|
|
var ACTION_SOUTH = 's';
|
|
var ACTION_NORTH = 'n';
|
|
var ACTION_SOUTH_EAST = 'se';
|
|
var ACTION_SOUTH_WEST = 'sw';
|
|
var ACTION_NORTH_EAST = 'ne';
|
|
var ACTION_NORTH_WEST = 'nw';
|
|
|
|
function getMaxZoomRatio(pointers) {
|
|
var pointers2 = $.extend({}, pointers);
|
|
var ratios = [];
|
|
|
|
$.each(pointers, function (pointerId, pointer) {
|
|
delete pointers2[pointerId];
|
|
|
|
$.each(pointers2, function (pointerId2, pointer2) {
|
|
var x1 = Math.abs(pointer.startX - pointer2.startX);
|
|
var y1 = Math.abs(pointer.startY - pointer2.startY);
|
|
var x2 = Math.abs(pointer.endX - pointer2.endX);
|
|
var y2 = Math.abs(pointer.endY - pointer2.endY);
|
|
var z1 = Math.sqrt(x1 * x1 + y1 * y1);
|
|
var z2 = Math.sqrt(x2 * x2 + y2 * y2);
|
|
var ratio = (z2 - z1) / z1;
|
|
|
|
ratios.push(ratio);
|
|
});
|
|
});
|
|
|
|
ratios.sort(function (a, b) {
|
|
return Math.abs(a) < Math.abs(b);
|
|
});
|
|
|
|
return ratios[0];
|
|
}
|
|
|
|
var change = {
|
|
change: function change(e) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var pointers = self.pointers;
|
|
var pointer = pointers[objectKeys(pointers)[0]];
|
|
var container = self.container;
|
|
var canvas = self.canvas;
|
|
var cropBox = self.cropBox;
|
|
var action = self.action;
|
|
var aspectRatio = options.aspectRatio;
|
|
var width = cropBox.width;
|
|
var height = cropBox.height;
|
|
var left = cropBox.left;
|
|
var top = cropBox.top;
|
|
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 (self.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 range = {
|
|
x: pointer.endX - pointer.startX,
|
|
y: pointer.endY - pointer.startY
|
|
};
|
|
|
|
switch (action) {
|
|
// Move crop box
|
|
case '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;
|
|
}
|
|
|
|
if (right + range.x > maxWidth) {
|
|
range.x = maxWidth - right;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (top + range.y < minTop) {
|
|
range.y = minTop - top;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (left + range.x < minLeft) {
|
|
range.x = minLeft - left;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (bottom + range.y > maxHeight) {
|
|
range.y = maxHeight - bottom;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
height -= range.y;
|
|
top += range.y;
|
|
width = height * aspectRatio;
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
height -= range.y;
|
|
top += range.y;
|
|
width = height * aspectRatio;
|
|
left += range.y * aspectRatio;
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
width -= range.x;
|
|
left += range.x;
|
|
height = width / aspectRatio;
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
width += range.x;
|
|
height = width / aspectRatio;
|
|
} else {
|
|
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 'move':
|
|
self.move(range.x, range.y);
|
|
renderable = false;
|
|
break;
|
|
|
|
// Zoom canvas
|
|
case 'zoom':
|
|
self.zoom(getMaxZoomRatio(pointers), e.originalEvent);
|
|
renderable = false;
|
|
break;
|
|
|
|
// Create crop box
|
|
case 'crop':
|
|
if (!range.x || !range.y) {
|
|
renderable = false;
|
|
break;
|
|
}
|
|
|
|
offset = self.$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 (!self.cropped) {
|
|
self.$cropBox.removeClass('cropper-hidden');
|
|
self.cropped = true;
|
|
|
|
if (self.limited) {
|
|
self.limitCropBox(true, true);
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
}
|
|
|
|
if (renderable) {
|
|
cropBox.width = width;
|
|
cropBox.height = height;
|
|
cropBox.left = left;
|
|
cropBox.top = top;
|
|
self.action = action;
|
|
self.renderCropBox();
|
|
}
|
|
|
|
// Override
|
|
$.each(pointers, function (i, p) {
|
|
p.startX = p.endX;
|
|
p.startY = p.endY;
|
|
});
|
|
}
|
|
};
|
|
|
|
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); } }
|
|
|
|
function getPointersCenter(pointers) {
|
|
var pageX = 0;
|
|
var pageY = 0;
|
|
var count = 0;
|
|
|
|
$.each(pointers, function (i, _ref) {
|
|
var startX = _ref.startX,
|
|
startY = _ref.startY;
|
|
|
|
pageX += startX;
|
|
pageY += startY;
|
|
count += 1;
|
|
});
|
|
|
|
pageX /= count;
|
|
pageY /= count;
|
|
|
|
return {
|
|
pageX: pageX,
|
|
pageY: pageY
|
|
};
|
|
}
|
|
|
|
var methods = {
|
|
// Show the crop box manually
|
|
crop: function crop() {
|
|
var self = this;
|
|
|
|
if (!self.ready || self.disabled) {
|
|
return;
|
|
}
|
|
|
|
if (!self.cropped) {
|
|
self.cropped = true;
|
|
self.limitCropBox(true, true);
|
|
|
|
if (self.options.modal) {
|
|
self.$dragBox.addClass('cropper-modal');
|
|
}
|
|
|
|
self.$cropBox.removeClass('cropper-hidden');
|
|
}
|
|
|
|
self.setCropBoxData(self.initialCropBox);
|
|
},
|
|
|
|
|
|
// Reset the image and crop box to their initial states
|
|
reset: function reset() {
|
|
var self = this;
|
|
|
|
if (!self.ready || self.disabled) {
|
|
return;
|
|
}
|
|
|
|
self.image = $.extend({}, self.initialImage);
|
|
self.canvas = $.extend({}, self.initialCanvas);
|
|
self.cropBox = $.extend({}, self.initialCropBox);
|
|
|
|
self.renderCanvas();
|
|
|
|
if (self.cropped) {
|
|
self.renderCropBox();
|
|
}
|
|
},
|
|
|
|
|
|
// Clear the crop box
|
|
clear: function clear() {
|
|
var self = this;
|
|
|
|
if (!self.cropped || self.disabled) {
|
|
return;
|
|
}
|
|
|
|
$.extend(self.cropBox, {
|
|
left: 0,
|
|
top: 0,
|
|
width: 0,
|
|
height: 0
|
|
});
|
|
|
|
self.cropped = false;
|
|
self.renderCropBox();
|
|
|
|
self.limitCanvas(true, true);
|
|
|
|
// Render canvas after crop box rendered
|
|
self.renderCanvas();
|
|
|
|
self.$dragBox.removeClass('cropper-modal');
|
|
self.$cropBox.addClass('cropper-hidden');
|
|
},
|
|
|
|
|
|
/**
|
|
* Replace the image's src and rebuild the cropper
|
|
*
|
|
* @param {String} url
|
|
* @param {Boolean} onlyColorChanged (optional)
|
|
*/
|
|
replace: function replace(url, onlyColorChanged) {
|
|
var self = this;
|
|
|
|
if (!self.disabled && url) {
|
|
if (self.isImg) {
|
|
self.$element.attr('src', url);
|
|
}
|
|
|
|
if (onlyColorChanged) {
|
|
self.url = url;
|
|
self.$clone.attr('src', url);
|
|
|
|
if (self.ready) {
|
|
self.$preview.find('img').add(self.$clone2).attr('src', url);
|
|
}
|
|
} else {
|
|
if (self.isImg) {
|
|
self.replaced = true;
|
|
}
|
|
|
|
// Clear previous data
|
|
self.options.data = null;
|
|
self.load(url);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
// Enable (unfreeze) the cropper
|
|
enable: function enable() {
|
|
var self = this;
|
|
|
|
if (self.ready) {
|
|
self.disabled = false;
|
|
self.$cropper.removeClass('cropper-disabled');
|
|
}
|
|
},
|
|
|
|
|
|
// Disable (freeze) the cropper
|
|
disable: function disable() {
|
|
var self = this;
|
|
|
|
if (self.ready) {
|
|
self.disabled = true;
|
|
self.$cropper.addClass('cropper-disabled');
|
|
}
|
|
},
|
|
|
|
|
|
// Destroy the cropper and remove the instance from the image
|
|
destroy: function destroy() {
|
|
var self = this;
|
|
var $this = self.$element;
|
|
|
|
if (self.loaded) {
|
|
if (self.isImg && self.replaced) {
|
|
$this.attr('src', self.originalUrl);
|
|
}
|
|
|
|
self.unbuild();
|
|
$this.removeClass('cropper-hidden');
|
|
} else if (self.isImg) {
|
|
$this.off('load', self.start);
|
|
} else if (self.$clone) {
|
|
self.$clone.remove();
|
|
}
|
|
|
|
$this.removeData('cropper');
|
|
},
|
|
|
|
|
|
/**
|
|
* Move the canvas with relative offsets
|
|
*
|
|
* @param {Number} offsetX
|
|
* @param {Number} offsetY (optional)
|
|
*/
|
|
move: function move(offsetX, offsetY) {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
|
|
self.moveTo(isUndefined(offsetX) ? offsetX : canvas.left + Number(offsetX), isUndefined(offsetY) ? offsetY : canvas.top + Number(offsetY));
|
|
},
|
|
|
|
|
|
/**
|
|
* Move the canvas to an absolute point
|
|
*
|
|
* @param {Number} x
|
|
* @param {Number} y (optional)
|
|
*/
|
|
moveTo: function moveTo(x, y) {
|
|
var self = this;
|
|
var canvas = self.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 (self.ready && !self.disabled && self.options.movable) {
|
|
if (isNumber(x)) {
|
|
canvas.left = x;
|
|
changed = true;
|
|
}
|
|
|
|
if (isNumber(y)) {
|
|
canvas.top = y;
|
|
changed = true;
|
|
}
|
|
|
|
if (changed) {
|
|
self.renderCanvas(true);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Zoom the canvas with a relative ratio
|
|
*
|
|
* @param {Number} ratio
|
|
* @param {jQuery Event} _event (private)
|
|
*/
|
|
zoom: function zoom(ratio, _event) {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
|
|
ratio = Number(ratio);
|
|
|
|
if (ratio < 0) {
|
|
ratio = 1 / (1 - ratio);
|
|
} else {
|
|
ratio = 1 + ratio;
|
|
}
|
|
|
|
self.zoomTo(canvas.width * ratio / canvas.naturalWidth, _event);
|
|
},
|
|
|
|
|
|
/**
|
|
* Zoom the canvas to an absolute ratio
|
|
*
|
|
* @param {Number} ratio
|
|
* @param {jQuery Event} _event (private)
|
|
*/
|
|
zoomTo: function zoomTo(ratio, _event) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var pointers = self.pointers;
|
|
var canvas = self.canvas;
|
|
var width = canvas.width;
|
|
var height = canvas.height;
|
|
var naturalWidth = canvas.naturalWidth;
|
|
var naturalHeight = canvas.naturalHeight;
|
|
|
|
ratio = Number(ratio);
|
|
|
|
if (ratio >= 0 && self.ready && !self.disabled && options.zoomable) {
|
|
var newWidth = naturalWidth * ratio;
|
|
var newHeight = naturalHeight * ratio;
|
|
var originalEvent = void 0;
|
|
|
|
if (_event) {
|
|
originalEvent = _event.originalEvent;
|
|
}
|
|
|
|
if (self.trigger('zoom', {
|
|
originalEvent: originalEvent,
|
|
oldRatio: width / naturalWidth,
|
|
ratio: newWidth / naturalWidth
|
|
}).isDefaultPrevented()) {
|
|
return;
|
|
}
|
|
|
|
if (originalEvent) {
|
|
var offset = self.$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;
|
|
self.renderCanvas(true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Rotate the canvas with a relative degree
|
|
*
|
|
* @param {Number} degree
|
|
*/
|
|
rotate: function rotate(degree) {
|
|
var self = this;
|
|
|
|
self.rotateTo((self.image.rotate || 0) + Number(degree));
|
|
},
|
|
|
|
|
|
/**
|
|
* Rotate the canvas to an absolute degree
|
|
* https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#rotate()
|
|
*
|
|
* @param {Number} degree
|
|
*/
|
|
rotateTo: function rotateTo(degree) {
|
|
var self = this;
|
|
|
|
degree = Number(degree);
|
|
|
|
if (isNumber(degree) && self.ready && !self.disabled && self.options.rotatable) {
|
|
self.image.rotate = degree % 360;
|
|
self.rotated = true;
|
|
self.renderCanvas(true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Scale the image
|
|
* https://developer.mozilla.org/en-US/docs/Web/CSS/transform-function#scale()
|
|
*
|
|
* @param {Number} scaleX
|
|
* @param {Number} scaleY (optional)
|
|
*/
|
|
scale: function scale(scaleX, scaleY) {
|
|
var self = this;
|
|
var image = self.image;
|
|
var changed = false;
|
|
|
|
// If "scaleY" is not present, its default value is "scaleX"
|
|
if (isUndefined(scaleY)) {
|
|
scaleY = scaleX;
|
|
}
|
|
|
|
scaleX = Number(scaleX);
|
|
scaleY = Number(scaleY);
|
|
|
|
if (self.ready && !self.disabled && self.options.scalable) {
|
|
if (isNumber(scaleX)) {
|
|
image.scaleX = scaleX;
|
|
changed = true;
|
|
}
|
|
|
|
if (isNumber(scaleY)) {
|
|
image.scaleY = scaleY;
|
|
changed = true;
|
|
}
|
|
|
|
if (changed) {
|
|
self.renderImage(true);
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Scale the abscissa of the image
|
|
*
|
|
* @param {Number} scaleX
|
|
*/
|
|
scaleX: function scaleX(_scaleX) {
|
|
var self = this;
|
|
var scaleY = self.image.scaleY;
|
|
|
|
self.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
|
|
},
|
|
|
|
|
|
/**
|
|
* Scale the ordinate of the image
|
|
*
|
|
* @param {Number} scaleY
|
|
*/
|
|
scaleY: function scaleY(_scaleY) {
|
|
var self = this;
|
|
var scaleX = self.image.scaleX;
|
|
|
|
self.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the cropped area position and size data (base on the original image)
|
|
*
|
|
* @param {Boolean} isRounded (optional)
|
|
* @return {Object} data
|
|
*/
|
|
getData: function getData(isRounded) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var image = self.image;
|
|
var canvas = self.canvas;
|
|
var cropBox = self.cropBox;
|
|
var ratio = void 0;
|
|
var data = void 0;
|
|
|
|
if (self.ready && self.cropped) {
|
|
data = {
|
|
x: cropBox.left - canvas.left,
|
|
y: cropBox.top - canvas.top,
|
|
width: cropBox.width,
|
|
height: cropBox.height
|
|
};
|
|
|
|
ratio = image.width / image.naturalWidth;
|
|
|
|
$.each(data, function (i, n) {
|
|
n /= ratio;
|
|
data[i] = isRounded ? Math.round(n) : n;
|
|
});
|
|
} else {
|
|
data = {
|
|
x: 0,
|
|
y: 0,
|
|
width: 0,
|
|
height: 0
|
|
};
|
|
}
|
|
|
|
if (options.rotatable) {
|
|
data.rotate = image.rotate || 0;
|
|
}
|
|
|
|
if (options.scalable) {
|
|
data.scaleX = image.scaleX || 1;
|
|
data.scaleY = image.scaleY || 1;
|
|
}
|
|
|
|
return data;
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the cropped area position and size with new data
|
|
*
|
|
* @param {Object} data
|
|
*/
|
|
setData: function setData(data) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var image = self.image;
|
|
var canvas = self.canvas;
|
|
var cropBoxData = {};
|
|
var rotated = void 0;
|
|
var isScaled = void 0;
|
|
var ratio = void 0;
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(self.element);
|
|
}
|
|
|
|
if (self.ready && !self.disabled && $.isPlainObject(data)) {
|
|
if (options.rotatable) {
|
|
if (isNumber(data.rotate) && data.rotate !== image.rotate) {
|
|
image.rotate = data.rotate;
|
|
rotated = true;
|
|
self.rotated = rotated;
|
|
}
|
|
}
|
|
|
|
if (options.scalable) {
|
|
if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
|
|
image.scaleX = data.scaleX;
|
|
isScaled = true;
|
|
}
|
|
|
|
if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
|
|
image.scaleY = data.scaleY;
|
|
isScaled = true;
|
|
}
|
|
}
|
|
|
|
if (rotated) {
|
|
self.renderCanvas();
|
|
} else if (isScaled) {
|
|
self.renderImage();
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
self.setCropBoxData(cropBoxData);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the container size data
|
|
*
|
|
* @return {Object} data
|
|
*/
|
|
getContainerData: function getContainerData() {
|
|
return this.ready ? this.container : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the image position and size data
|
|
*
|
|
* @return {Object} data
|
|
*/
|
|
getImageData: function getImageData() {
|
|
return this.loaded ? this.image : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the canvas position and size data
|
|
*
|
|
* @return {Object} data
|
|
*/
|
|
getCanvasData: function getCanvasData() {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
var data = {};
|
|
|
|
if (self.ready) {
|
|
$.each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (i, n) {
|
|
data[n] = canvas[n];
|
|
});
|
|
}
|
|
|
|
return data;
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the canvas position and size with new data
|
|
*
|
|
* @param {Object} data
|
|
*/
|
|
setCanvasData: function setCanvasData(data) {
|
|
var self = this;
|
|
var canvas = self.canvas;
|
|
var aspectRatio = canvas.aspectRatio;
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(self.$element);
|
|
}
|
|
|
|
if (self.ready && !self.disabled && $.isPlainObject(data)) {
|
|
if (isNumber(data.left)) {
|
|
canvas.left = data.left;
|
|
}
|
|
|
|
if (isNumber(data.top)) {
|
|
canvas.top = data.top;
|
|
}
|
|
|
|
if (isNumber(data.width)) {
|
|
canvas.width = data.width;
|
|
canvas.height = data.width / aspectRatio;
|
|
} else if (isNumber(data.height)) {
|
|
canvas.height = data.height;
|
|
canvas.width = data.height * aspectRatio;
|
|
}
|
|
|
|
self.renderCanvas(true);
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get the crop box position and size data
|
|
*
|
|
* @return {Object} data
|
|
*/
|
|
getCropBoxData: function getCropBoxData() {
|
|
var self = this;
|
|
var cropBox = self.cropBox;
|
|
|
|
return self.ready && self.cropped ? {
|
|
left: cropBox.left,
|
|
top: cropBox.top,
|
|
width: cropBox.width,
|
|
height: cropBox.height
|
|
} : {};
|
|
},
|
|
|
|
|
|
/**
|
|
* Set the crop box position and size with new data
|
|
*
|
|
* @param {Object} data
|
|
*/
|
|
setCropBoxData: function setCropBoxData(data) {
|
|
var self = this;
|
|
var cropBox = self.cropBox;
|
|
var aspectRatio = self.options.aspectRatio;
|
|
var widthChanged = void 0;
|
|
var heightChanged = void 0;
|
|
|
|
if ($.isFunction(data)) {
|
|
data = data.call(self.$element);
|
|
}
|
|
|
|
if (self.ready && self.cropped && !self.disabled && $.isPlainObject(data)) {
|
|
if (isNumber(data.left)) {
|
|
cropBox.left = data.left;
|
|
}
|
|
|
|
if (isNumber(data.top)) {
|
|
cropBox.top = data.top;
|
|
}
|
|
|
|
if (isNumber(data.width) && data.width !== cropBox.width) {
|
|
widthChanged = true;
|
|
cropBox.width = data.width;
|
|
}
|
|
|
|
if (isNumber(data.height) && data.height !== cropBox.height) {
|
|
heightChanged = true;
|
|
cropBox.height = data.height;
|
|
}
|
|
|
|
if (aspectRatio) {
|
|
if (widthChanged) {
|
|
cropBox.height = cropBox.width / aspectRatio;
|
|
} else if (heightChanged) {
|
|
cropBox.width = cropBox.height * aspectRatio;
|
|
}
|
|
}
|
|
|
|
self.renderCropBox();
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Get a canvas drawn the cropped image
|
|
*
|
|
* @param {Object} options (optional)
|
|
* @return {HTMLCanvasElement} canvas
|
|
*/
|
|
getCroppedCanvas: function getCroppedCanvas(options) {
|
|
var self = this;
|
|
|
|
if (!self.ready || !window.HTMLCanvasElement) {
|
|
return null;
|
|
}
|
|
|
|
if (!$.isPlainObject(options)) {
|
|
options = {};
|
|
}
|
|
|
|
if (!self.cropped) {
|
|
return getSourceCanvas(self.$clone[0], self.image, options);
|
|
}
|
|
|
|
var data = self.getData();
|
|
var originalWidth = data.width;
|
|
var originalHeight = data.height;
|
|
var aspectRatio = originalWidth / originalHeight;
|
|
var scaledWidth = void 0;
|
|
var scaledHeight = void 0;
|
|
var scaledRatio = void 0;
|
|
|
|
if ($.isPlainObject(options)) {
|
|
scaledWidth = options.width;
|
|
scaledHeight = options.height;
|
|
|
|
if (scaledWidth) {
|
|
scaledHeight = scaledWidth / aspectRatio;
|
|
scaledRatio = scaledWidth / originalWidth;
|
|
} else if (scaledHeight) {
|
|
scaledWidth = scaledHeight * aspectRatio;
|
|
scaledRatio = scaledHeight / originalHeight;
|
|
}
|
|
}
|
|
|
|
// The canvas element will use `Math.Math.floor` on a float number, so Math.floor first
|
|
var canvasWidth = Math.floor(scaledWidth || originalWidth);
|
|
var canvasHeight = Math.floor(scaledHeight || originalHeight);
|
|
|
|
var canvas = $('<canvas>')[0];
|
|
var context = canvas.getContext('2d');
|
|
|
|
canvas.width = canvasWidth;
|
|
canvas.height = canvasHeight;
|
|
|
|
if (options.fillColor) {
|
|
context.fillStyle = options.fillColor;
|
|
context.fillRect(0, 0, canvasWidth, canvasHeight);
|
|
}
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
|
|
var parameters = function () {
|
|
var source = getSourceCanvas(self.$clone[0], self.image, options);
|
|
var sourceWidth = source.width;
|
|
var sourceHeight = source.height;
|
|
var canvasData = self.canvas;
|
|
var params = [source];
|
|
|
|
// Source canvas
|
|
var srcX = data.x + canvasData.naturalWidth * (Math.abs(data.scaleX || 1) - 1) / 2;
|
|
var srcY = data.y + canvasData.naturalHeight * (Math.abs(data.scaleY || 1) - 1) / 2;
|
|
var srcWidth = void 0;
|
|
var srcHeight = void 0;
|
|
|
|
// Destination canvas
|
|
var dstX = void 0;
|
|
var dstY = void 0;
|
|
var dstWidth = void 0;
|
|
var dstHeight = void 0;
|
|
|
|
if (srcX <= -originalWidth || srcX > sourceWidth) {
|
|
srcX = 0;
|
|
srcWidth = 0;
|
|
dstX = 0;
|
|
dstWidth = 0;
|
|
} else if (srcX <= 0) {
|
|
dstX = -srcX;
|
|
srcX = 0;
|
|
dstWidth = Math.min(sourceWidth, originalWidth + srcX);
|
|
srcWidth = dstWidth;
|
|
} else if (srcX <= sourceWidth) {
|
|
dstX = 0;
|
|
dstWidth = Math.min(originalWidth, sourceWidth - srcX);
|
|
srcWidth = dstWidth;
|
|
}
|
|
|
|
if (srcWidth <= 0 || srcY <= -originalHeight || srcY > sourceHeight) {
|
|
srcY = 0;
|
|
srcHeight = 0;
|
|
dstY = 0;
|
|
dstHeight = 0;
|
|
} else if (srcY <= 0) {
|
|
dstY = -srcY;
|
|
srcY = 0;
|
|
dstHeight = Math.min(sourceHeight, originalHeight + srcY);
|
|
srcHeight = dstHeight;
|
|
} else if (srcY <= sourceHeight) {
|
|
dstY = 0;
|
|
dstHeight = Math.min(originalHeight, sourceHeight - srcY);
|
|
srcHeight = dstHeight;
|
|
}
|
|
|
|
// All the numerical parameters should be integer for `drawImage` (#476)
|
|
params.push(Math.floor(srcX), Math.floor(srcY), Math.floor(srcWidth), Math.floor(srcHeight));
|
|
|
|
// Scale destination sizes
|
|
if (scaledRatio) {
|
|
dstX *= scaledRatio;
|
|
dstY *= scaledRatio;
|
|
dstWidth *= scaledRatio;
|
|
dstHeight *= scaledRatio;
|
|
}
|
|
|
|
// Avoid "IndexSizeError" in IE and Firefox
|
|
if (dstWidth > 0 && dstHeight > 0) {
|
|
params.push(Math.floor(dstX), Math.floor(dstY), Math.floor(dstWidth), Math.floor(dstHeight));
|
|
}
|
|
|
|
return params;
|
|
}();
|
|
|
|
context.imageSmoothingEnabled = !!options.imageSmoothingEnabled;
|
|
|
|
if (options.imageSmoothingQuality) {
|
|
context.imageSmoothingQuality = options.imageSmoothingQuality;
|
|
}
|
|
|
|
context.drawImage.apply(context, _toConsumableArray(parameters));
|
|
|
|
return canvas;
|
|
},
|
|
|
|
|
|
/**
|
|
* Change the aspect ratio of the crop box
|
|
*
|
|
* @param {Number} aspectRatio
|
|
*/
|
|
setAspectRatio: function setAspectRatio(aspectRatio) {
|
|
var self = this;
|
|
var options = self.options;
|
|
|
|
if (!self.disabled && !isUndefined(aspectRatio)) {
|
|
// 0 -> NaN
|
|
options.aspectRatio = Math.max(0, aspectRatio) || NaN;
|
|
|
|
if (self.ready) {
|
|
self.initCropBox();
|
|
|
|
if (self.cropped) {
|
|
self.renderCropBox();
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
|
|
/**
|
|
* Change the drag mode
|
|
*
|
|
* @param {String} mode (optional)
|
|
*/
|
|
setDragMode: function setDragMode(mode) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var croppable = void 0;
|
|
var movable = void 0;
|
|
|
|
if (self.loaded && !self.disabled) {
|
|
croppable = mode === 'crop';
|
|
movable = options.movable && mode === 'move';
|
|
mode = croppable || movable ? mode : 'none';
|
|
|
|
self.$dragBox.data('action', mode).toggleClass('cropper-crop', croppable).toggleClass('cropper-move', movable);
|
|
|
|
if (!options.cropBoxMovable) {
|
|
// Sync drag mode to crop box when it is not movable(#300)
|
|
self.$face.data('action', mode).toggleClass('cropper-crop', croppable).toggleClass('cropper-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 CLASS_HIDDEN = 'cropper-hidden';
|
|
var REGEXP_DATA_URL = /^data:/;
|
|
var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
|
|
|
|
var Cropper = function () {
|
|
function Cropper(element, options) {
|
|
_classCallCheck(this, Cropper);
|
|
|
|
var self = this;
|
|
|
|
self.$element = $(element);
|
|
self.options = $.extend({}, DEFAULTS, $.isPlainObject(options) && options);
|
|
self.loaded = false;
|
|
self.ready = false;
|
|
self.completed = false;
|
|
self.rotated = false;
|
|
self.cropped = false;
|
|
self.disabled = false;
|
|
self.replaced = false;
|
|
self.limited = false;
|
|
self.wheeling = false;
|
|
self.isImg = false;
|
|
self.originalUrl = '';
|
|
self.canvas = null;
|
|
self.cropBox = null;
|
|
self.pointers = {};
|
|
self.init();
|
|
}
|
|
|
|
_createClass(Cropper, [{
|
|
key: 'init',
|
|
value: function init() {
|
|
var self = this;
|
|
var $this = self.$element;
|
|
var url = void 0;
|
|
|
|
if ($this.is('img')) {
|
|
self.isImg = true;
|
|
|
|
// Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
|
|
url = $this.attr('src');
|
|
self.originalUrl = url;
|
|
|
|
// Stop when it's a blank image
|
|
if (!url) {
|
|
return;
|
|
}
|
|
|
|
// Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
|
|
url = $this.prop('src');
|
|
} else if ($this.is('canvas') && window.HTMLCanvasElement) {
|
|
url = $this[0].toDataURL();
|
|
}
|
|
|
|
self.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 self = this;
|
|
var options = self.options;
|
|
var $this = self.$element;
|
|
|
|
if (!url) {
|
|
return;
|
|
}
|
|
|
|
self.url = url;
|
|
self.image = {};
|
|
|
|
if (!options.checkOrientation || !window.ArrayBuffer) {
|
|
self.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)) {
|
|
self.read(dataURLToArrayBuffer(url));
|
|
} else {
|
|
self.clone();
|
|
}
|
|
return;
|
|
}
|
|
|
|
var xhr = new XMLHttpRequest();
|
|
|
|
xhr.onerror = $.proxy(function () {
|
|
self.clone();
|
|
}, this);
|
|
|
|
xhr.onload = function load() {
|
|
self.read(this.response);
|
|
};
|
|
|
|
if (options.checkCrossOrigin && isCrossOriginURL(url) && $this.prop('crossOrigin')) {
|
|
url = addTimestamp(url);
|
|
}
|
|
|
|
xhr.open('get', url);
|
|
xhr.responseType = 'arraybuffer';
|
|
xhr.withCredentials = $this.prop('crossOrigin') === 'use-credentials';
|
|
xhr.send();
|
|
}
|
|
}, {
|
|
key: 'read',
|
|
value: function read(arrayBuffer) {
|
|
var self = this;
|
|
var options = self.options;
|
|
var orientation = getOrientation(arrayBuffer);
|
|
var image = self.image;
|
|
var rotate = 0;
|
|
var scaleX = 1;
|
|
var scaleY = 1;
|
|
|
|
if (orientation > 1) {
|
|
self.url = arrayBufferToDataURL(arrayBuffer);
|
|
|
|
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 + rotate right 90°
|
|
case 5:
|
|
rotate = 90;
|
|
scaleY = -1;
|
|
break;
|
|
|
|
// rotate right 90°
|
|
case 6:
|
|
rotate = 90;
|
|
break;
|
|
|
|
// flip horizontal + rotate right 90°
|
|
case 7:
|
|
rotate = 90;
|
|
scaleX = -1;
|
|
break;
|
|
|
|
// rotate left 90°
|
|
case 8:
|
|
rotate = -90;
|
|
break;
|
|
|
|
default:
|
|
}
|
|
}
|
|
|
|
if (options.rotatable) {
|
|
image.rotate = rotate;
|
|
}
|
|
|
|
if (options.scalable) {
|
|
image.scaleX = scaleX;
|
|
image.scaleY = scaleY;
|
|
}
|
|
|
|
self.clone();
|
|
}
|
|
}, {
|
|
key: 'clone',
|
|
value: function clone() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var $this = self.$element;
|
|
var url = self.url;
|
|
var crossOrigin = '';
|
|
var crossOriginUrl = void 0;
|
|
|
|
if (options.checkCrossOrigin && isCrossOriginURL(url)) {
|
|
crossOrigin = $this.prop('crossOrigin');
|
|
|
|
if (crossOrigin) {
|
|
crossOriginUrl = url;
|
|
} else {
|
|
crossOrigin = 'anonymous';
|
|
|
|
// Bust cache (#148) when there is not a "crossOrigin" property
|
|
crossOriginUrl = addTimestamp(url);
|
|
}
|
|
}
|
|
|
|
self.crossOrigin = crossOrigin;
|
|
self.crossOriginUrl = crossOriginUrl;
|
|
|
|
var image = document.createElement('img');
|
|
|
|
if (crossOrigin) {
|
|
image.crossOrigin = crossOrigin;
|
|
}
|
|
|
|
image.src = crossOriginUrl || url;
|
|
|
|
var $clone = $(image);
|
|
|
|
self.$clone = $clone;
|
|
|
|
if (self.isImg) {
|
|
if ($this[0].complete) {
|
|
self.start();
|
|
} else {
|
|
$this.one('load', $.proxy(self.start, this));
|
|
}
|
|
} else {
|
|
$clone.one('load', $.proxy(self.start, this)).one('error', $.proxy(self.stop, this)).addClass('cropper-hide').insertAfter($this);
|
|
}
|
|
}
|
|
}, {
|
|
key: 'start',
|
|
value: function start() {
|
|
var self = this;
|
|
var $clone = self.$clone;
|
|
var $image = self.$element;
|
|
|
|
if (!self.isImg) {
|
|
$clone.off('error', self.stop);
|
|
$image = $clone;
|
|
}
|
|
|
|
getImageSize($image[0], function (naturalWidth, naturalHeight) {
|
|
$.extend(self.image, {
|
|
naturalWidth: naturalWidth,
|
|
naturalHeight: naturalHeight,
|
|
aspectRatio: naturalWidth / naturalHeight
|
|
});
|
|
|
|
self.loaded = true;
|
|
self.build();
|
|
});
|
|
}
|
|
}, {
|
|
key: 'stop',
|
|
value: function stop() {
|
|
var self = this;
|
|
|
|
self.$clone.remove();
|
|
self.$clone = null;
|
|
}
|
|
}, {
|
|
key: 'build',
|
|
value: function build() {
|
|
var self = this;
|
|
var options = self.options;
|
|
var $this = self.$element;
|
|
var $clone = self.$clone;
|
|
|
|
if (!self.loaded) {
|
|
return;
|
|
}
|
|
|
|
// Unbuild first when replace
|
|
if (self.ready) {
|
|
self.unbuild();
|
|
}
|
|
|
|
var $cropper = $(TEMPLATE);
|
|
var $cropBox = $cropper.find('.cropper-crop-box');
|
|
var $face = $cropBox.find('.cropper-face');
|
|
|
|
// Create cropper elements
|
|
self.$container = $this.parent();
|
|
self.$cropper = $cropper;
|
|
self.$canvas = $cropper.find('.cropper-canvas').append($clone);
|
|
self.$dragBox = $cropper.find('.cropper-drag-box');
|
|
self.$cropBox = $cropBox;
|
|
self.$viewBox = $cropper.find('.cropper-view-box');
|
|
self.$face = $face;
|
|
|
|
// Hide the original image
|
|
$this.addClass(CLASS_HIDDEN).after($cropper);
|
|
|
|
// Show the clone image if is hidden
|
|
if (!self.isImg) {
|
|
$clone.removeClass('cropper-hide');
|
|
}
|
|
|
|
self.initPreview();
|
|
self.bind();
|
|
|
|
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
|
|
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
|
|
|
|
self.cropped = options.autoCrop;
|
|
|
|
if (options.autoCrop) {
|
|
if (options.modal) {
|
|
self.$dragBox.addClass('cropper-modal');
|
|
}
|
|
} else {
|
|
$cropBox.addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (!options.guides) {
|
|
$cropBox.find('.cropper-dashed').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (!options.center) {
|
|
$cropBox.find('.cropper-center').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
if (options.cropBoxMovable) {
|
|
$face.addClass('cropper-move').data('action', 'all');
|
|
}
|
|
|
|
if (!options.highlight) {
|
|
$face.addClass('cropper-invisible');
|
|
}
|
|
|
|
if (options.background) {
|
|
$cropper.addClass('cropper-bg');
|
|
}
|
|
|
|
if (!options.cropBoxResizable) {
|
|
$cropBox.find('.cropper-line, .cropper-point').addClass(CLASS_HIDDEN);
|
|
}
|
|
|
|
self.setDragMode(options.dragMode);
|
|
self.render();
|
|
self.ready = true;
|
|
self.setData(options.data);
|
|
|
|
// Trigger the ready event asynchronously to keep `data('cropper')` is defined
|
|
self.completing = setTimeout(function () {
|
|
if ($.isFunction(options.ready)) {
|
|
$this.one('ready', options.ready);
|
|
}
|
|
|
|
self.trigger('ready');
|
|
self.trigger('crop', self.getData());
|
|
self.completed = true;
|
|
}, 0);
|
|
}
|
|
}, {
|
|
key: 'unbuild',
|
|
value: function unbuild() {
|
|
var self = this;
|
|
|
|
if (!self.ready) {
|
|
return;
|
|
}
|
|
|
|
if (!self.completed) {
|
|
clearTimeout(self.completing);
|
|
}
|
|
|
|
self.ready = false;
|
|
self.completed = false;
|
|
self.initialImage = null;
|
|
|
|
// Clear `initialCanvas` is necessary when replace
|
|
self.initialCanvas = null;
|
|
self.initialCropBox = null;
|
|
self.container = null;
|
|
self.canvas = null;
|
|
|
|
// Clear `cropBox` is necessary when replace
|
|
self.cropBox = null;
|
|
self.unbind();
|
|
|
|
self.resetPreview();
|
|
self.$preview = null;
|
|
|
|
self.$viewBox = null;
|
|
self.$cropBox = null;
|
|
self.$dragBox = null;
|
|
self.$canvas = null;
|
|
self.$container = null;
|
|
|
|
self.$cropper.remove();
|
|
self.$cropper = null;
|
|
}
|
|
}], [{
|
|
key: 'setDefaults',
|
|
value: function setDefaults(options) {
|
|
$.extend(DEFAULTS, $.isPlainObject(options) && options);
|
|
}
|
|
}]);
|
|
|
|
return Cropper;
|
|
}();
|
|
|
|
$.extend(Cropper.prototype, render);
|
|
$.extend(Cropper.prototype, preview);
|
|
$.extend(Cropper.prototype, events);
|
|
$.extend(Cropper.prototype, handlers);
|
|
$.extend(Cropper.prototype, change);
|
|
$.extend(Cropper.prototype, methods);
|
|
|
|
var NAMESPACE = 'cropper';
|
|
var OtherCropper = $.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 $this = $(element);
|
|
var data = $this.data(NAMESPACE);
|
|
|
|
if (!data) {
|
|
if (/destroy/.test(option)) {
|
|
return;
|
|
}
|
|
|
|
var options = $.extend({}, $this.data(), $.isPlainObject(option) && option);
|
|
$this.data(NAMESPACE, data = new Cropper(element, options));
|
|
}
|
|
|
|
if (typeof option === 'string') {
|
|
var fn = data[option];
|
|
|
|
if ($.isFunction(fn)) {
|
|
result = fn.apply(data, args);
|
|
}
|
|
}
|
|
});
|
|
|
|
return typeof result !== 'undefined' ? result : this;
|
|
};
|
|
|
|
$.fn.cropper.Constructor = Cropper;
|
|
$.fn.cropper.setDefaults = Cropper.setDefaults;
|
|
|
|
// No conflict
|
|
$.fn.cropper.noConflict = function noConflict() {
|
|
$.fn.cropper = OtherCropper;
|
|
return this;
|
|
};
|
|
|
|
exports('cropper', $.fn.cropper);
|
|
}); |