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DoubleBastionAdmin authored on 26/01/2022 20:32:42
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+/** |
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+ * Copyright (C) 2021 Double Bastion LLC |
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+ * |
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+ * This file is part of Roundpin, which is licensed under the |
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+ * GNU Affero General Public License Version 3.0. The license terms |
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+ * are detailed in the "LICENSE.txt" file located in the root directory. |
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+ * |
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+ * The file content from below is identical with that of the |
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+ * original file "croppie.js" released under the MIT License: |
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+ * https://github.com/Foliotek/Croppie/blob/master/LICENSE . |
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+ * The copyright notice for the original content follows: |
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+ */ |
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+/************************* |
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+ * Croppie |
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+ * Copyright 2019 |
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+ * Foliotek |
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+ * Version: 2.6.4 |
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+ *************************/ |
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+(function (root, factory) {
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+ if (typeof define === 'function' && define.amd) {
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+ // AMD. Register as an anonymous module. |
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+ define(factory); |
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+ } else if (typeof exports === 'object' && typeof exports.nodeName !== 'string') {
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+ // CommonJS |
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+ module.exports = factory(); |
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+ } else {
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+ // Browser globals |
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+ root.Croppie = factory(); |
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+ } |
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+}(typeof self !== 'undefined' ? self : this, function () {
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+ |
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+ /* Polyfills */ |
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+ if (typeof Promise !== 'function') {
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+ /*! promise-polyfill 3.1.0 */ |
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+ !function(a){function b(a,b){return function(){a.apply(b,arguments)}}function c(a){if("object"!==typeof this)throw new TypeError("Promises must be constructed via new");if("function"!==typeof a)throw new TypeError("not a function");this._state=null,this._value=null,this._deferreds=[],i(a,b(e,this),b(f,this))}function d(a){var b=this;return null===this._state?void this._deferreds.push(a):void k(function(){var c=b._state?a.onFulfilled:a.onRejected;if(null===c)return void(b._state?a.resolve:a.reject)(b._value);var d;try{d=c(b._value)}catch(e){return void a.reject(e)}a.resolve(d)})}function e(a){try{if(a===this)throw new TypeError("A promise cannot be resolved with itself.");if(a&&("object"===typeof a||"function"===typeof a)){var c=a.then;if("function"===typeof c)return void i(b(c,a),b(e,this),b(f,this))}this._state=!0,this._value=a,g.call(this)}catch(d){f.call(this,d)}}function f(a){this._state=!1,this._value=a,g.call(this)}function g(){for(var a=0,b=this._deferreds.length;b>a;a++)d.call(this,this._deferreds[a]);this._deferreds=null}function h(a,b,c,d){this.onFulfilled="function"===typeof a?a:null,this.onRejected="function"===typeof b?b:null,this.resolve=c,this.reject=d}function i(a,b,c){var d=!1;try{a(function(a){d||(d=!0,b(a))},function(a){d||(d=!0,c(a))})}catch(e){if(d)return;d=!0,c(e)}}var j=setTimeout,k="function"===typeof setImmediate&&setImmediate||function(a){j(a,1)},l=Array.isArray||function(a){return"[object Array]"===Object.prototype.toString.call(a)};c.prototype["catch"]=function(a){return this.then(null,a)},c.prototype.then=function(a,b){var e=this;return new c(function(c,f){d.call(e,new h(a,b,c,f))})},c.all=function(){var a=Array.prototype.slice.call(1===arguments.length&&l(arguments[0])?arguments[0]:arguments);return new c(function(b,c){function d(f,g){try{if(g&&("object"===typeof g||"function"===typeof g)){var h=g.then;if("function"===typeof h)return void h.call(g,function(a){d(f,a)},c)}a[f]=g,0===--e&&b(a)}catch(i){c(i)}}if(0===a.length)return b([]);for(var e=a.length,f=0;f<a.length;f++)d(f,a[f])})},c.resolve=function(a){return a&&"object"===typeof a&&a.constructor===c?a:new c(function(b){b(a)})},c.reject=function(a){return new c(function(b,c){c(a)})},c.race=function(a){return new c(function(b,c){for(var d=0,e=a.length;e>d;d++)a[d].then(b,c)})},c._setImmediateFn=function(a){k=a},"undefined"!==typeof module&&module.exports?module.exports=c:a.Promise||(a.Promise=c)}(this);
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+ } |
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+ |
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+ if ( typeof window.CustomEvent !== "function" ) {
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+ (function(){
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+ function CustomEvent ( event, params ) {
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+ params = params || { bubbles: false, cancelable: false, detail: undefined };
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+ var evt = document.createEvent( 'CustomEvent' ); |
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+ evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail ); |
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+ return evt; |
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+ } |
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+ CustomEvent.prototype = window.Event.prototype; |
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+ window.CustomEvent = CustomEvent; |
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+ }()); |
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+ } |
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+ |
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+ if (!HTMLCanvasElement.prototype.toBlob) {
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+ Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
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+ value: function (callback, type, quality) {
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+ var binStr = atob( this.toDataURL(type, quality).split(',')[1] ),
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+ len = binStr.length, |
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+ arr = new Uint8Array(len); |
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+ |
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+ for (var i=0; i<len; i++ ) {
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+ arr[i] = binStr.charCodeAt(i); |
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+ } |
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+ |
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+ callback( new Blob( [arr], {type: type || 'image/png'} ) );
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+ } |
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+ }); |
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+ } |
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+ /* End Polyfills */ |
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+ |
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+ var cssPrefixes = ['Webkit', 'Moz', 'ms'], |
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+ emptyStyles = document.createElement('div').style,
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+ EXIF_NORM = [1,8,3,6], |
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+ EXIF_FLIP = [2,7,4,5], |
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+ CSS_TRANS_ORG, |
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+ CSS_TRANSFORM, |
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+ CSS_USERSELECT; |
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+ |
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+ function vendorPrefix(prop) {
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+ if (prop in emptyStyles) {
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+ return prop; |
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+ } |
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+ |
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+ var capProp = prop[0].toUpperCase() + prop.slice(1), |
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+ i = cssPrefixes.length; |
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+ |
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+ while (i--) {
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+ prop = cssPrefixes[i] + capProp; |
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+ if (prop in emptyStyles) {
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+ return prop; |
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+ } |
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+ } |
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+ } |
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+ |
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+ CSS_TRANSFORM = vendorPrefix('transform');
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+ CSS_TRANS_ORG = vendorPrefix('transformOrigin');
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+ CSS_USERSELECT = vendorPrefix('userSelect');
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+ |
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+ function getExifOffset(ornt, rotate) {
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+ var arr = EXIF_NORM.indexOf(ornt) > -1 ? EXIF_NORM : EXIF_FLIP, |
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+ index = arr.indexOf(ornt), |
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+ offset = (rotate / 90) % arr.length;// 180 = 2%4 = 2 shift exif by 2 indexes |
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+ |
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+ return arr[(arr.length + index + (offset % arr.length)) % arr.length]; |
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+ } |
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+ |
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+ // Credits to : Andrew Dupont - http://andrewdupont.net/2009/08/28/deep-extending-objects-in-javascript/ |
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+ function deepExtend(destination, source) {
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+ destination = destination || {};
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+ for (var property in source) {
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+ if (source[property] && source[property].constructor && source[property].constructor === Object) {
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+ destination[property] = destination[property] || {};
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+ deepExtend(destination[property], source[property]); |
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+ } else {
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+ destination[property] = source[property]; |
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+ } |
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+ } |
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+ return destination; |
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+ } |
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+ |
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+ function clone(object) {
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+ return deepExtend({}, object);
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+ } |
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+ |
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+ function debounce(func, wait, immediate) {
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+ var timeout; |
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+ return function () {
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+ var context = this, args = arguments; |
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+ var later = function () {
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+ timeout = null; |
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+ if (!immediate) func.apply(context, args); |
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+ }; |
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+ var callNow = immediate && !timeout; |
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+ clearTimeout(timeout); |
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+ timeout = setTimeout(later, wait); |
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+ if (callNow) func.apply(context, args); |
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+ }; |
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+ } |
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+ |
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+ function dispatchChange(element) {
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+ if ("createEvent" in document) {
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+ var evt = document.createEvent("HTMLEvents");
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+ evt.initEvent("change", false, true);
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+ element.dispatchEvent(evt); |
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+ } |
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+ else {
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+ element.fireEvent("onchange");
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+ } |
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+ } |
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+ |
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+ //http://jsperf.com/vanilla-css |
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+ function css(el, styles, val) {
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+ if (typeof (styles) === 'string') {
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+ var tmp = styles; |
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+ styles = {};
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+ styles[tmp] = val; |
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+ } |
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+ |
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+ for (var prop in styles) {
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+ el.style[prop] = styles[prop]; |
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+ } |
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+ } |
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+ |
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+ function addClass(el, c) {
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+ if (el.classList) {
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+ el.classList.add(c); |
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+ } |
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+ else {
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+ el.className += ' ' + c; |
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+ } |
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+ } |
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+ |
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+ function removeClass(el, c) {
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+ if (el.classList) {
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+ el.classList.remove(c); |
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+ } |
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+ else {
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+ el.className = el.className.replace(c, ''); |
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+ } |
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+ } |
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+ |
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+ function setAttributes(el, attrs) {
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+ for (var key in attrs) {
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+ el.setAttribute(key, attrs[key]); |
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+ } |
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+ } |
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+ |
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+ function num(v) {
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+ return parseInt(v, 10); |
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+ } |
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+ |
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+ /* Utilities */ |
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+ function loadImage(src, doExif) {
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+ var img = new Image(); |
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+ img.style.opacity = '0'; |
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+ return new Promise(function (resolve, reject) {
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+ function _resolve() {
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+ img.style.opacity = '1'; |
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+ setTimeout(function () {
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+ resolve(img); |
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+ }, 1); |
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+ } |
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+ |
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+ img.removeAttribute('crossOrigin');
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+ if (src.match(/^https?:\/\/|^\/\//)) {
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+ img.setAttribute('crossOrigin', 'anonymous');
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+ } |
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+ |
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+ img.onload = function () {
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+ if (doExif) {
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+ EXIF.getData(img, function () {
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+ _resolve(); |
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+ }); |
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+ } |
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+ else {
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+ _resolve(); |
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+ } |
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+ }; |
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+ img.onerror = function (ev) {
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+ img.style.opacity = 1; |
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+ setTimeout(function () {
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+ reject(ev); |
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+ }, 1); |
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+ }; |
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+ img.src = src; |
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+ }); |
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+ } |
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+ |
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+ function naturalImageDimensions(img, ornt) {
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+ var w = img.naturalWidth; |
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+ var h = img.naturalHeight; |
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+ var orient = ornt || getExifOrientation(img); |
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+ if (orient && orient >= 5) {
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+ var x= w; |
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+ w = h; |
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+ h = x; |
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+ } |
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+ return { width: w, height: h };
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+ } |
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+ |
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+ /* CSS Transform Prototype */ |
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+ var TRANSLATE_OPTS = {
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+ 'translate3d': {
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+ suffix: ', 0px' |
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+ }, |
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+ 'translate': {
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+ suffix: '' |
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+ } |
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+ }; |
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+ var Transform = function (x, y, scale) {
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+ this.x = parseFloat(x); |
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+ this.y = parseFloat(y); |
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+ this.scale = parseFloat(scale); |
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+ }; |
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+ |
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+ Transform.parse = function (v) {
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+ if (v.style) {
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+ return Transform.parse(v.style[CSS_TRANSFORM]); |
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+ } |
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+ else if (v.indexOf('matrix') > -1 || v.indexOf('none') > -1) {
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+ return Transform.fromMatrix(v); |
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+ } |
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+ else {
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+ return Transform.fromString(v); |
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+ } |
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+ }; |
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+ |
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+ Transform.fromMatrix = function (v) {
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+ var vals = v.substring(7).split(',');
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+ if (!vals.length || v === 'none') {
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+ vals = [1, 0, 0, 1, 0, 0]; |
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+ } |
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+ |
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+ return new Transform(num(vals[4]), num(vals[5]), parseFloat(vals[0])); |
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+ }; |
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+ |
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+ Transform.fromString = function (v) {
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+ var values = v.split(') '),
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+ translate = values[0].substring(Croppie.globals.translate.length + 1).split(','),
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+ scale = values.length > 1 ? values[1].substring(6) : 1, |
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+ x = translate.length > 1 ? translate[0] : 0, |
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+ y = translate.length > 1 ? translate[1] : 0; |
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+ |
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+ return new Transform(x, y, scale); |
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+ }; |
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+ |
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+ Transform.prototype.toString = function () {
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+ var suffix = TRANSLATE_OPTS[Croppie.globals.translate].suffix || ''; |
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+ return Croppie.globals.translate + '(' + this.x + 'px, ' + this.y + 'px' + suffix + ') scale(' + this.scale + ')';
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+ }; |
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+ |
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+ var TransformOrigin = function (el) {
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+ if (!el || !el.style[CSS_TRANS_ORG]) {
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+ this.x = 0; |
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+ this.y = 0; |
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+ return; |
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+ } |
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+ var css = el.style[CSS_TRANS_ORG].split(' ');
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+ this.x = parseFloat(css[0]); |
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+ this.y = parseFloat(css[1]); |
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+ }; |
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+ |
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+ TransformOrigin.prototype.toString = function () {
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+ return this.x + 'px ' + this.y + 'px'; |
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+ }; |
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+ |
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+ function getExifOrientation (img) {
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+ return img.exifdata && img.exifdata.Orientation ? num(img.exifdata.Orientation) : 1; |
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| 306 |
+ } |
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+ |
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+ function drawCanvas(canvas, img, orientation) {
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+ var width = img.width, |
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+ height = img.height, |
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+ ctx = canvas.getContext('2d');
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+ |
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+ canvas.width = img.width; |
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+ canvas.height = img.height; |
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+ |
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+ ctx.save(); |
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+ switch (orientation) {
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+ case 2: |
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+ ctx.translate(width, 0); |
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+ ctx.scale(-1, 1); |
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+ break; |
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+ |
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+ case 3: |
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+ ctx.translate(width, height); |
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+ ctx.rotate(180*Math.PI/180); |
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+ break; |
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+ |
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+ case 4: |
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+ ctx.translate(0, height); |
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+ ctx.scale(1, -1); |
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+ break; |
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+ |
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+ case 5: |
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+ canvas.width = height; |
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+ canvas.height = width; |
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+ ctx.rotate(90*Math.PI/180); |
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+ ctx.scale(1, -1); |
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+ break; |
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+ |
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| 340 |
+ case 6: |
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+ canvas.width = height; |
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+ canvas.height = width; |
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+ ctx.rotate(90*Math.PI/180); |
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+ ctx.translate(0, -height); |
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+ break; |
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+ |
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| 347 |
+ case 7: |
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+ canvas.width = height; |
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+ canvas.height = width; |
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+ ctx.rotate(-90*Math.PI/180); |
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+ ctx.translate(-width, height); |
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+ ctx.scale(1, -1); |
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+ break; |
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+ |
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+ case 8: |
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+ canvas.width = height; |
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+ canvas.height = width; |
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+ ctx.translate(0, width); |
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+ ctx.rotate(-90*Math.PI/180); |
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+ break; |
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+ } |
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+ ctx.drawImage(img, 0,0, width, height); |
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+ ctx.restore(); |
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| 364 |
+ } |
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| 365 |
+ |
|
| 366 |
+ /* Private Methods */ |
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| 367 |
+ function _create() {
|
|
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+ var self = this, |
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+ contClass = 'croppie-container', |
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| 370 |
+ customViewportClass = self.options.viewport.type ? 'cr-vp-' + self.options.viewport.type : null, |
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| 371 |
+ boundary, img, viewport, overlay, bw, bh; |
|
| 372 |
+ |
|
| 373 |
+ self.options.useCanvas = self.options.enableOrientation || _hasExif.call(self); |
|
| 374 |
+ // Properties on class |
|
| 375 |
+ self.data = {};
|
|
| 376 |
+ self.elements = {};
|
|
| 377 |
+ |
|
| 378 |
+ boundary = self.elements.boundary = document.createElement('div');
|
|
| 379 |
+ viewport = self.elements.viewport = document.createElement('div');
|
|
| 380 |
+ img = self.elements.img = document.createElement('img');
|
|
| 381 |
+ overlay = self.elements.overlay = document.createElement('div');
|
|
| 382 |
+ |
|
| 383 |
+ if (self.options.useCanvas) {
|
|
| 384 |
+ self.elements.canvas = document.createElement('canvas');
|
|
| 385 |
+ self.elements.preview = self.elements.canvas; |
|
| 386 |
+ } |
|
| 387 |
+ else {
|
|
| 388 |
+ self.elements.preview = img; |
|
| 389 |
+ } |
|
| 390 |
+ |
|
| 391 |
+ addClass(boundary, 'cr-boundary'); |
|
| 392 |
+ boundary.setAttribute('aria-dropeffect', 'none');
|
|
| 393 |
+ bw = self.options.boundary.width; |
|
| 394 |
+ bh = self.options.boundary.height; |
|
| 395 |
+ css(boundary, {
|
|
| 396 |
+ width: (bw + (isNaN(bw) ? '' : 'px')), |
|
| 397 |
+ height: (bh + (isNaN(bh) ? '' : 'px')) |
|
| 398 |
+ }); |
|
| 399 |
+ |
|
| 400 |
+ addClass(viewport, 'cr-viewport'); |
|
| 401 |
+ if (customViewportClass) {
|
|
| 402 |
+ addClass(viewport, customViewportClass); |
|
| 403 |
+ } |
|
| 404 |
+ css(viewport, {
|
|
| 405 |
+ width: self.options.viewport.width + 'px', |
|
| 406 |
+ height: self.options.viewport.height + 'px' |
|
| 407 |
+ }); |
|
| 408 |
+ viewport.setAttribute('tabindex', 0);
|
|
| 409 |
+ |
|
| 410 |
+ addClass(self.elements.preview, 'cr-image'); |
|
| 411 |
+ setAttributes(self.elements.preview, { 'alt': 'preview', 'aria-grabbed': 'false' });
|
|
| 412 |
+ addClass(overlay, 'cr-overlay'); |
|
| 413 |
+ |
|
| 414 |
+ self.element.appendChild(boundary); |
|
| 415 |
+ boundary.appendChild(self.elements.preview); |
|
| 416 |
+ boundary.appendChild(viewport); |
|
| 417 |
+ boundary.appendChild(overlay); |
|
| 418 |
+ |
|
| 419 |
+ addClass(self.element, contClass); |
|
| 420 |
+ if (self.options.customClass) {
|
|
| 421 |
+ addClass(self.element, self.options.customClass); |
|
| 422 |
+ } |
|
| 423 |
+ |
|
| 424 |
+ _initDraggable.call(this); |
|
| 425 |
+ |
|
| 426 |
+ if (self.options.enableZoom) {
|
|
| 427 |
+ _initializeZoom.call(self); |
|
| 428 |
+ } |
|
| 429 |
+ |
|
| 430 |
+ // if (self.options.enableOrientation) {
|
|
| 431 |
+ // _initRotationControls.call(self); |
|
| 432 |
+ // } |
|
| 433 |
+ |
|
| 434 |
+ if (self.options.enableResize) {
|
|
| 435 |
+ _initializeResize.call(self); |
|
| 436 |
+ } |
|
| 437 |
+ } |
|
| 438 |
+ |
|
| 439 |
+ // function _initRotationControls () {
|
|
| 440 |
+ // var self = this, |
|
| 441 |
+ // wrap, btnLeft, btnRight, iLeft, iRight; |
|
| 442 |
+ |
|
| 443 |
+ // wrap = document.createElement('div');
|
|
| 444 |
+ // self.elements.orientationBtnLeft = btnLeft = document.createElement('button');
|
|
| 445 |
+ // self.elements.orientationBtnRight = btnRight = document.createElement('button');
|
|
| 446 |
+ |
|
| 447 |
+ // wrap.appendChild(btnLeft); |
|
| 448 |
+ // wrap.appendChild(btnRight); |
|
| 449 |
+ |
|
| 450 |
+ // iLeft = document.createElement('i');
|
|
| 451 |
+ // iRight = document.createElement('i');
|
|
| 452 |
+ // btnLeft.appendChild(iLeft); |
|
| 453 |
+ // btnRight.appendChild(iRight); |
|
| 454 |
+ |
|
| 455 |
+ // addClass(wrap, 'cr-rotate-controls'); |
|
| 456 |
+ // addClass(btnLeft, 'cr-rotate-l'); |
|
| 457 |
+ // addClass(btnRight, 'cr-rotate-r'); |
|
| 458 |
+ |
|
| 459 |
+ // self.elements.boundary.appendChild(wrap); |
|
| 460 |
+ |
|
| 461 |
+ // btnLeft.addEventListener('click', function () {
|
|
| 462 |
+ // self.rotate(-90); |
|
| 463 |
+ // }); |
|
| 464 |
+ // btnRight.addEventListener('click', function () {
|
|
| 465 |
+ // self.rotate(90); |
|
| 466 |
+ // }); |
|
| 467 |
+ // } |
|
| 468 |
+ |
|
| 469 |
+ function _hasExif() {
|
|
| 470 |
+ return this.options.enableExif && window.EXIF; |
|
| 471 |
+ } |
|
| 472 |
+ |
|
| 473 |
+ function _initializeResize () {
|
|
| 474 |
+ var self = this; |
|
| 475 |
+ var wrap = document.createElement('div');
|
|
| 476 |
+ var isDragging = false; |
|
| 477 |
+ var direction; |
|
| 478 |
+ var originalX; |
|
| 479 |
+ var originalY; |
|
| 480 |
+ var minSize = 50; |
|
| 481 |
+ var maxWidth; |
|
| 482 |
+ var maxHeight; |
|
| 483 |
+ var vr; |
|
| 484 |
+ var hr; |
|
| 485 |
+ |
|
| 486 |
+ addClass(wrap, 'cr-resizer'); |
|
| 487 |
+ css(wrap, {
|
|
| 488 |
+ width: this.options.viewport.width + 'px', |
|
| 489 |
+ height: this.options.viewport.height + 'px' |
|
| 490 |
+ }); |
|
| 491 |
+ |
|
| 492 |
+ if (this.options.resizeControls.height) {
|
|
| 493 |
+ vr = document.createElement('div');
|
|
| 494 |
+ addClass(vr, 'cr-resizer-vertical'); |
|
| 495 |
+ wrap.appendChild(vr); |
|
| 496 |
+ } |
|
| 497 |
+ |
|
| 498 |
+ if (this.options.resizeControls.width) {
|
|
| 499 |
+ hr = document.createElement('div');
|
|
| 500 |
+ addClass(hr, 'cr-resizer-horisontal'); |
|
| 501 |
+ wrap.appendChild(hr); |
|
| 502 |
+ } |
|
| 503 |
+ |
|
| 504 |
+ function mouseDown(ev) {
|
|
| 505 |
+ if (ev.button !== undefined && ev.button !== 0) return; |
|
| 506 |
+ |
|
| 507 |
+ ev.preventDefault(); |
|
| 508 |
+ if (isDragging) {
|
|
| 509 |
+ return; |
|
| 510 |
+ } |
|
| 511 |
+ |
|
| 512 |
+ var overlayRect = self.elements.overlay.getBoundingClientRect(); |
|
| 513 |
+ |
|
| 514 |
+ isDragging = true; |
|
| 515 |
+ originalX = ev.pageX; |
|
| 516 |
+ originalY = ev.pageY; |
|
| 517 |
+ direction = ev.currentTarget.className.indexOf('vertical') !== -1 ? 'v' : 'h';
|
|
| 518 |
+ maxWidth = overlayRect.width; |
|
| 519 |
+ maxHeight = overlayRect.height; |
|
| 520 |
+ |
|
| 521 |
+ if (ev.touches) {
|
|
| 522 |
+ var touches = ev.touches[0]; |
|
| 523 |
+ originalX = touches.pageX; |
|
| 524 |
+ originalY = touches.pageY; |
|
| 525 |
+ } |
|
| 526 |
+ |
|
| 527 |
+ window.addEventListener('mousemove', mouseMove);
|
|
| 528 |
+ window.addEventListener('touchmove', mouseMove);
|
|
| 529 |
+ window.addEventListener('mouseup', mouseUp);
|
|
| 530 |
+ window.addEventListener('touchend', mouseUp);
|
|
| 531 |
+ document.body.style[CSS_USERSELECT] = 'none'; |
|
| 532 |
+ } |
|
| 533 |
+ |
|
| 534 |
+ function mouseMove(ev) {
|
|
| 535 |
+ var pageX = ev.pageX; |
|
| 536 |
+ var pageY = ev.pageY; |
|
| 537 |
+ |
|
| 538 |
+ ev.preventDefault(); |
|
| 539 |
+ |
|
| 540 |
+ if (ev.touches) {
|
|
| 541 |
+ var touches = ev.touches[0]; |
|
| 542 |
+ pageX = touches.pageX; |
|
| 543 |
+ pageY = touches.pageY; |
|
| 544 |
+ } |
|
| 545 |
+ |
|
| 546 |
+ var deltaX = pageX - originalX; |
|
| 547 |
+ var deltaY = pageY - originalY; |
|
| 548 |
+ var newHeight = self.options.viewport.height + deltaY; |
|
| 549 |
+ var newWidth = self.options.viewport.width + deltaX; |
|
| 550 |
+ |
|
| 551 |
+ if (direction === 'v' && newHeight >= minSize && newHeight <= maxHeight) {
|
|
| 552 |
+ css(wrap, {
|
|
| 553 |
+ height: newHeight + 'px' |
|
| 554 |
+ }); |
|
| 555 |
+ |
|
| 556 |
+ self.options.boundary.height += deltaY; |
|
| 557 |
+ css(self.elements.boundary, {
|
|
| 558 |
+ height: self.options.boundary.height + 'px' |
|
| 559 |
+ }); |
|
| 560 |
+ |
|
| 561 |
+ self.options.viewport.height += deltaY; |
|
| 562 |
+ css(self.elements.viewport, {
|
|
| 563 |
+ height: self.options.viewport.height + 'px' |
|
| 564 |
+ }); |
|
| 565 |
+ } |
|
| 566 |
+ else if (direction === 'h' && newWidth >= minSize && newWidth <= maxWidth) {
|
|
| 567 |
+ css(wrap, {
|
|
| 568 |
+ width: newWidth + 'px' |
|
| 569 |
+ }); |
|
| 570 |
+ |
|
| 571 |
+ self.options.boundary.width += deltaX; |
|
| 572 |
+ css(self.elements.boundary, {
|
|
| 573 |
+ width: self.options.boundary.width + 'px' |
|
| 574 |
+ }); |
|
| 575 |
+ |
|
| 576 |
+ self.options.viewport.width += deltaX; |
|
| 577 |
+ css(self.elements.viewport, {
|
|
| 578 |
+ width: self.options.viewport.width + 'px' |
|
| 579 |
+ }); |
|
| 580 |
+ } |
|
| 581 |
+ |
|
| 582 |
+ _updateOverlay.call(self); |
|
| 583 |
+ _updateZoomLimits.call(self); |
|
| 584 |
+ _updateCenterPoint.call(self); |
|
| 585 |
+ _triggerUpdate.call(self); |
|
| 586 |
+ originalY = pageY; |
|
| 587 |
+ originalX = pageX; |
|
| 588 |
+ } |
|
| 589 |
+ |
|
| 590 |
+ function mouseUp() {
|
|
| 591 |
+ isDragging = false; |
|
| 592 |
+ window.removeEventListener('mousemove', mouseMove);
|
|
| 593 |
+ window.removeEventListener('touchmove', mouseMove);
|
|
| 594 |
+ window.removeEventListener('mouseup', mouseUp);
|
|
| 595 |
+ window.removeEventListener('touchend', mouseUp);
|
|
| 596 |
+ document.body.style[CSS_USERSELECT] = ''; |
|
| 597 |
+ } |
|
| 598 |
+ |
|
| 599 |
+ if (vr) {
|
|
| 600 |
+ vr.addEventListener('mousedown', mouseDown);
|
|
| 601 |
+ vr.addEventListener('touchstart', mouseDown);
|
|
| 602 |
+ } |
|
| 603 |
+ |
|
| 604 |
+ if (hr) {
|
|
| 605 |
+ hr.addEventListener('mousedown', mouseDown);
|
|
| 606 |
+ hr.addEventListener('touchstart', mouseDown);
|
|
| 607 |
+ } |
|
| 608 |
+ |
|
| 609 |
+ this.elements.boundary.appendChild(wrap); |
|
| 610 |
+ } |
|
| 611 |
+ |
|
| 612 |
+ function _setZoomerVal(v) {
|
|
| 613 |
+ if (this.options.enableZoom) {
|
|
| 614 |
+ var z = this.elements.zoomer, |
|
| 615 |
+ val = fix(v, 4); |
|
| 616 |
+ |
|
| 617 |
+ z.value = Math.max(parseFloat(z.min), Math.min(parseFloat(z.max), val)).toString(); |
|
| 618 |
+ } |
|
| 619 |
+ } |
|
| 620 |
+ |
|
| 621 |
+ function _initializeZoom() {
|
|
| 622 |
+ var self = this, |
|
| 623 |
+ wrap = self.elements.zoomerWrap = document.createElement('div'),
|
|
| 624 |
+ zoomer = self.elements.zoomer = document.createElement('input');
|
|
| 625 |
+ |
|
| 626 |
+ addClass(wrap, 'cr-slider-wrap'); |
|
| 627 |
+ addClass(zoomer, 'cr-slider'); |
|
| 628 |
+ zoomer.type = 'range'; |
|
| 629 |
+ zoomer.step = '0.0001'; |
|
| 630 |
+ zoomer.value = '1'; |
|
| 631 |
+ zoomer.style.display = self.options.showZoomer ? '' : 'none'; |
|
| 632 |
+ zoomer.setAttribute('aria-label', 'zoom');
|
|
| 633 |
+ |
|
| 634 |
+ self.element.appendChild(wrap); |
|
| 635 |
+ wrap.appendChild(zoomer); |
|
| 636 |
+ |
|
| 637 |
+ self._currentZoom = 1; |
|
| 638 |
+ |
|
| 639 |
+ function change() {
|
|
| 640 |
+ _onZoom.call(self, {
|
|
| 641 |
+ value: parseFloat(zoomer.value), |
|
| 642 |
+ origin: new TransformOrigin(self.elements.preview), |
|
| 643 |
+ viewportRect: self.elements.viewport.getBoundingClientRect(), |
|
| 644 |
+ transform: Transform.parse(self.elements.preview) |
|
| 645 |
+ }); |
|
| 646 |
+ } |
|
| 647 |
+ |
|
| 648 |
+ function scroll(ev) {
|
|
| 649 |
+ var delta, targetZoom; |
|
| 650 |
+ |
|
| 651 |
+ if(self.options.mouseWheelZoom === 'ctrl' && ev.ctrlKey !== true){
|
|
| 652 |
+ return 0; |
|
| 653 |
+ } else if (ev.wheelDelta) {
|
|
| 654 |
+ delta = ev.wheelDelta / 1200; //wheelDelta min: -120 max: 120 // max x 10 x 2 |
|
| 655 |
+ } else if (ev.deltaY) {
|
|
| 656 |
+ delta = ev.deltaY / 1060; //deltaY min: -53 max: 53 // max x 10 x 2 |
|
| 657 |
+ } else if (ev.detail) {
|
|
| 658 |
+ delta = ev.detail / -60; //delta min: -3 max: 3 // max x 10 x 2 |
|
| 659 |
+ } else {
|
|
| 660 |
+ delta = 0; |
|
| 661 |
+ } |
|
| 662 |
+ |
|
| 663 |
+ targetZoom = self._currentZoom + (delta * self._currentZoom); |
|
| 664 |
+ |
|
| 665 |
+ ev.preventDefault(); |
|
| 666 |
+ _setZoomerVal.call(self, targetZoom); |
|
| 667 |
+ change.call(self); |
|
| 668 |
+ } |
|
| 669 |
+ |
|
| 670 |
+ self.elements.zoomer.addEventListener('input', change);// this is being fired twice on keypress
|
|
| 671 |
+ self.elements.zoomer.addEventListener('change', change);
|
|
| 672 |
+ |
|
| 673 |
+ if (self.options.mouseWheelZoom) {
|
|
| 674 |
+ self.elements.boundary.addEventListener('mousewheel', scroll);
|
|
| 675 |
+ self.elements.boundary.addEventListener('DOMMouseScroll', scroll);
|
|
| 676 |
+ } |
|
| 677 |
+ } |
|
| 678 |
+ |
|
| 679 |
+ function _onZoom(ui) {
|
|
| 680 |
+ var self = this, |
|
| 681 |
+ transform = ui ? ui.transform : Transform.parse(self.elements.preview), |
|
| 682 |
+ vpRect = ui ? ui.viewportRect : self.elements.viewport.getBoundingClientRect(), |
|
| 683 |
+ origin = ui ? ui.origin : new TransformOrigin(self.elements.preview); |
|
| 684 |
+ |
|
| 685 |
+ function applyCss() {
|
|
| 686 |
+ var transCss = {};
|
|
| 687 |
+ transCss[CSS_TRANSFORM] = transform.toString(); |
|
| 688 |
+ transCss[CSS_TRANS_ORG] = origin.toString(); |
|
| 689 |
+ css(self.elements.preview, transCss); |
|
| 690 |
+ } |
|
| 691 |
+ |
|
| 692 |
+ self._currentZoom = ui ? ui.value : self._currentZoom; |
|
| 693 |
+ transform.scale = self._currentZoom; |
|
| 694 |
+ self.elements.zoomer.setAttribute('aria-valuenow', self._currentZoom);
|
|
| 695 |
+ applyCss(); |
|
| 696 |
+ |
|
| 697 |
+ if (self.options.enforceBoundary) {
|
|
| 698 |
+ var boundaries = _getVirtualBoundaries.call(self, vpRect), |
|
| 699 |
+ transBoundaries = boundaries.translate, |
|
| 700 |
+ oBoundaries = boundaries.origin; |
|
| 701 |
+ |
|
| 702 |
+ if (transform.x >= transBoundaries.maxX) {
|
|
| 703 |
+ origin.x = oBoundaries.minX; |
|
| 704 |
+ transform.x = transBoundaries.maxX; |
|
| 705 |
+ } |
|
| 706 |
+ |
|
| 707 |
+ if (transform.x <= transBoundaries.minX) {
|
|
| 708 |
+ origin.x = oBoundaries.maxX; |
|
| 709 |
+ transform.x = transBoundaries.minX; |
|
| 710 |
+ } |
|
| 711 |
+ |
|
| 712 |
+ if (transform.y >= transBoundaries.maxY) {
|
|
| 713 |
+ origin.y = oBoundaries.minY; |
|
| 714 |
+ transform.y = transBoundaries.maxY; |
|
| 715 |
+ } |
|
| 716 |
+ |
|
| 717 |
+ if (transform.y <= transBoundaries.minY) {
|
|
| 718 |
+ origin.y = oBoundaries.maxY; |
|
| 719 |
+ transform.y = transBoundaries.minY; |
|
| 720 |
+ } |
|
| 721 |
+ } |
|
| 722 |
+ applyCss(); |
|
| 723 |
+ _debouncedOverlay.call(self); |
|
| 724 |
+ _triggerUpdate.call(self); |
|
| 725 |
+ } |
|
| 726 |
+ |
|
| 727 |
+ function _getVirtualBoundaries(viewport) {
|
|
| 728 |
+ var self = this, |
|
| 729 |
+ scale = self._currentZoom, |
|
| 730 |
+ vpWidth = viewport.width, |
|
| 731 |
+ vpHeight = viewport.height, |
|
| 732 |
+ centerFromBoundaryX = self.elements.boundary.clientWidth / 2, |
|
| 733 |
+ centerFromBoundaryY = self.elements.boundary.clientHeight / 2, |
|
| 734 |
+ imgRect = self.elements.preview.getBoundingClientRect(), |
|
| 735 |
+ curImgWidth = imgRect.width, |
|
| 736 |
+ curImgHeight = imgRect.height, |
|
| 737 |
+ halfWidth = vpWidth / 2, |
|
| 738 |
+ halfHeight = vpHeight / 2; |
|
| 739 |
+ |
|
| 740 |
+ var maxX = ((halfWidth / scale) - centerFromBoundaryX) * -1; |
|
| 741 |
+ var minX = maxX - ((curImgWidth * (1 / scale)) - (vpWidth * (1 / scale))); |
|
| 742 |
+ |
|
| 743 |
+ var maxY = ((halfHeight / scale) - centerFromBoundaryY) * -1; |
|
| 744 |
+ var minY = maxY - ((curImgHeight * (1 / scale)) - (vpHeight * (1 / scale))); |
|
| 745 |
+ |
|
| 746 |
+ var originMinX = (1 / scale) * halfWidth; |
|
| 747 |
+ var originMaxX = (curImgWidth * (1 / scale)) - originMinX; |
|
| 748 |
+ |
|
| 749 |
+ var originMinY = (1 / scale) * halfHeight; |
|
| 750 |
+ var originMaxY = (curImgHeight * (1 / scale)) - originMinY; |
|
| 751 |
+ |
|
| 752 |
+ return {
|
|
| 753 |
+ translate: {
|
|
| 754 |
+ maxX: maxX, |
|
| 755 |
+ minX: minX, |
|
| 756 |
+ maxY: maxY, |
|
| 757 |
+ minY: minY |
|
| 758 |
+ }, |
|
| 759 |
+ origin: {
|
|
| 760 |
+ maxX: originMaxX, |
|
| 761 |
+ minX: originMinX, |
|
| 762 |
+ maxY: originMaxY, |
|
| 763 |
+ minY: originMinY |
|
| 764 |
+ } |
|
| 765 |
+ }; |
|
| 766 |
+ } |
|
| 767 |
+ |
|
| 768 |
+ function _updateCenterPoint(rotate) {
|
|
| 769 |
+ var self = this, |
|
| 770 |
+ scale = self._currentZoom, |
|
| 771 |
+ data = self.elements.preview.getBoundingClientRect(), |
|
| 772 |
+ vpData = self.elements.viewport.getBoundingClientRect(), |
|
| 773 |
+ transform = Transform.parse(self.elements.preview.style[CSS_TRANSFORM]), |
|
| 774 |
+ pc = new TransformOrigin(self.elements.preview), |
|
| 775 |
+ top = (vpData.top - data.top) + (vpData.height / 2), |
|
| 776 |
+ left = (vpData.left - data.left) + (vpData.width / 2), |
|
| 777 |
+ center = {},
|
|
| 778 |
+ adj = {};
|
|
| 779 |
+ |
|
| 780 |
+ if (rotate) {
|
|
| 781 |
+ var cx = pc.x; |
|
| 782 |
+ var cy = pc.y; |
|
| 783 |
+ var tx = transform.x; |
|
| 784 |
+ var ty = transform.y; |
|
| 785 |
+ |
|
| 786 |
+ center.y = cx; |
|
| 787 |
+ center.x = cy; |
|
| 788 |
+ transform.y = tx; |
|
| 789 |
+ transform.x = ty; |
|
| 790 |
+ } |
|
| 791 |
+ else {
|
|
| 792 |
+ center.y = top / scale; |
|
| 793 |
+ center.x = left / scale; |
|
| 794 |
+ |
|
| 795 |
+ adj.y = (center.y - pc.y) * (1 - scale); |
|
| 796 |
+ adj.x = (center.x - pc.x) * (1 - scale); |
|
| 797 |
+ |
|
| 798 |
+ transform.x -= adj.x; |
|
| 799 |
+ transform.y -= adj.y; |
|
| 800 |
+ } |
|
| 801 |
+ |
|
| 802 |
+ var newCss = {};
|
|
| 803 |
+ newCss[CSS_TRANS_ORG] = center.x + 'px ' + center.y + 'px'; |
|
| 804 |
+ newCss[CSS_TRANSFORM] = transform.toString(); |
|
| 805 |
+ css(self.elements.preview, newCss); |
|
| 806 |
+ } |
|
| 807 |
+ |
|
| 808 |
+ function _initDraggable() {
|
|
| 809 |
+ var self = this, |
|
| 810 |
+ isDragging = false, |
|
| 811 |
+ originalX, |
|
| 812 |
+ originalY, |
|
| 813 |
+ originalDistance, |
|
| 814 |
+ vpRect, |
|
| 815 |
+ transform; |
|
| 816 |
+ |
|
| 817 |
+ function assignTransformCoordinates(deltaX, deltaY) {
|
|
| 818 |
+ var imgRect = self.elements.preview.getBoundingClientRect(), |
|
| 819 |
+ top = transform.y + deltaY, |
|
| 820 |
+ left = transform.x + deltaX; |
|
| 821 |
+ |
|
| 822 |
+ if (self.options.enforceBoundary) {
|
|
| 823 |
+ if (vpRect.top > imgRect.top + deltaY && vpRect.bottom < imgRect.bottom + deltaY) {
|
|
| 824 |
+ transform.y = top; |
|
| 825 |
+ } |
|
| 826 |
+ |
|
| 827 |
+ if (vpRect.left > imgRect.left + deltaX && vpRect.right < imgRect.right + deltaX) {
|
|
| 828 |
+ transform.x = left; |
|
| 829 |
+ } |
|
| 830 |
+ } |
|
| 831 |
+ else {
|
|
| 832 |
+ transform.y = top; |
|
| 833 |
+ transform.x = left; |
|
| 834 |
+ } |
|
| 835 |
+ } |
|
| 836 |
+ |
|
| 837 |
+ function toggleGrabState(isDragging) {
|
|
| 838 |
+ self.elements.preview.setAttribute('aria-grabbed', isDragging);
|
|
| 839 |
+ self.elements.boundary.setAttribute('aria-dropeffect', isDragging? 'move': 'none');
|
|
| 840 |
+ } |
|
| 841 |
+ |
|
| 842 |
+ function keyDown(ev) {
|
|
| 843 |
+ var LEFT_ARROW = 37, |
|
| 844 |
+ UP_ARROW = 38, |
|
| 845 |
+ RIGHT_ARROW = 39, |
|
| 846 |
+ DOWN_ARROW = 40; |
|
| 847 |
+ |
|
| 848 |
+ if (ev.shiftKey && (ev.keyCode === UP_ARROW || ev.keyCode === DOWN_ARROW)) {
|
|
| 849 |
+ var zoom; |
|
| 850 |
+ if (ev.keyCode === UP_ARROW) {
|
|
| 851 |
+ zoom = parseFloat(self.elements.zoomer.value) + parseFloat(self.elements.zoomer.step) |
|
| 852 |
+ } |
|
| 853 |
+ else {
|
|
| 854 |
+ zoom = parseFloat(self.elements.zoomer.value) - parseFloat(self.elements.zoomer.step) |
|
| 855 |
+ } |
|
| 856 |
+ self.setZoom(zoom); |
|
| 857 |
+ } |
|
| 858 |
+ else if (self.options.enableKeyMovement && (ev.keyCode >= 37 && ev.keyCode <= 40)) {
|
|
| 859 |
+ ev.preventDefault(); |
|
| 860 |
+ var movement = parseKeyDown(ev.keyCode); |
|
| 861 |
+ |
|
| 862 |
+ transform = Transform.parse(self.elements.preview); |
|
| 863 |
+ document.body.style[CSS_USERSELECT] = 'none'; |
|
| 864 |
+ vpRect = self.elements.viewport.getBoundingClientRect(); |
|
| 865 |
+ keyMove(movement); |
|
| 866 |
+ } |
|
| 867 |
+ |
|
| 868 |
+ function parseKeyDown(key) {
|
|
| 869 |
+ switch (key) {
|
|
| 870 |
+ case LEFT_ARROW: |
|
| 871 |
+ return [1, 0]; |
|
| 872 |
+ case UP_ARROW: |
|
| 873 |
+ return [0, 1]; |
|
| 874 |
+ case RIGHT_ARROW: |
|
| 875 |
+ return [-1, 0]; |
|
| 876 |
+ case DOWN_ARROW: |
|
| 877 |
+ return [0, -1]; |
|
| 878 |
+ } |
|
| 879 |
+ } |
|
| 880 |
+ } |
|
| 881 |
+ |
|
| 882 |
+ function keyMove(movement) {
|
|
| 883 |
+ var deltaX = movement[0], |
|
| 884 |
+ deltaY = movement[1], |
|
| 885 |
+ newCss = {};
|
|
| 886 |
+ |
|
| 887 |
+ assignTransformCoordinates(deltaX, deltaY); |
|
| 888 |
+ |
|
| 889 |
+ newCss[CSS_TRANSFORM] = transform.toString(); |
|
| 890 |
+ css(self.elements.preview, newCss); |
|
| 891 |
+ _updateOverlay.call(self); |
|
| 892 |
+ document.body.style[CSS_USERSELECT] = ''; |
|
| 893 |
+ _updateCenterPoint.call(self); |
|
| 894 |
+ _triggerUpdate.call(self); |
|
| 895 |
+ originalDistance = 0; |
|
| 896 |
+ } |
|
| 897 |
+ |
|
| 898 |
+ function mouseDown(ev) {
|
|
| 899 |
+ if (ev.button !== undefined && ev.button !== 0) return; |
|
| 900 |
+ |
|
| 901 |
+ ev.preventDefault(); |
|
| 902 |
+ if (isDragging) return; |
|
| 903 |
+ isDragging = true; |
|
| 904 |
+ originalX = ev.pageX; |
|
| 905 |
+ originalY = ev.pageY; |
|
| 906 |
+ |
|
| 907 |
+ if (ev.touches) {
|
|
| 908 |
+ var touches = ev.touches[0]; |
|
| 909 |
+ originalX = touches.pageX; |
|
| 910 |
+ originalY = touches.pageY; |
|
| 911 |
+ } |
|
| 912 |
+ toggleGrabState(isDragging); |
|
| 913 |
+ transform = Transform.parse(self.elements.preview); |
|
| 914 |
+ window.addEventListener('mousemove', mouseMove);
|
|
| 915 |
+ window.addEventListener('touchmove', mouseMove);
|
|
| 916 |
+ window.addEventListener('mouseup', mouseUp);
|
|
| 917 |
+ window.addEventListener('touchend', mouseUp);
|
|
| 918 |
+ document.body.style[CSS_USERSELECT] = 'none'; |
|
| 919 |
+ vpRect = self.elements.viewport.getBoundingClientRect(); |
|
| 920 |
+ } |
|
| 921 |
+ |
|
| 922 |
+ function mouseMove(ev) {
|
|
| 923 |
+ ev.preventDefault(); |
|
| 924 |
+ var pageX = ev.pageX, |
|
| 925 |
+ pageY = ev.pageY; |
|
| 926 |
+ |
|
| 927 |
+ if (ev.touches) {
|
|
| 928 |
+ var touches = ev.touches[0]; |
|
| 929 |
+ pageX = touches.pageX; |
|
| 930 |
+ pageY = touches.pageY; |
|
| 931 |
+ } |
|
| 932 |
+ |
|
| 933 |
+ var deltaX = pageX - originalX, |
|
| 934 |
+ deltaY = pageY - originalY, |
|
| 935 |
+ newCss = {};
|
|
| 936 |
+ |
|
| 937 |
+ if (ev.type === 'touchmove') {
|
|
| 938 |
+ if (ev.touches.length > 1) {
|
|
| 939 |
+ var touch1 = ev.touches[0]; |
|
| 940 |
+ var touch2 = ev.touches[1]; |
|
| 941 |
+ var dist = Math.sqrt((touch1.pageX - touch2.pageX) * (touch1.pageX - touch2.pageX) + (touch1.pageY - touch2.pageY) * (touch1.pageY - touch2.pageY)); |
|
| 942 |
+ |
|
| 943 |
+ if (!originalDistance) {
|
|
| 944 |
+ originalDistance = dist / self._currentZoom; |
|
| 945 |
+ } |
|
| 946 |
+ |
|
| 947 |
+ var scale = dist / originalDistance; |
|
| 948 |
+ |
|
| 949 |
+ _setZoomerVal.call(self, scale); |
|
| 950 |
+ dispatchChange(self.elements.zoomer); |
|
| 951 |
+ return; |
|
| 952 |
+ } |
|
| 953 |
+ } |
|
| 954 |
+ |
|
| 955 |
+ assignTransformCoordinates(deltaX, deltaY); |
|
| 956 |
+ |
|
| 957 |
+ newCss[CSS_TRANSFORM] = transform.toString(); |
|
| 958 |
+ css(self.elements.preview, newCss); |
|
| 959 |
+ _updateOverlay.call(self); |
|
| 960 |
+ originalY = pageY; |
|
| 961 |
+ originalX = pageX; |
|
| 962 |
+ } |
|
| 963 |
+ |
|
| 964 |
+ function mouseUp() {
|
|
| 965 |
+ isDragging = false; |
|
| 966 |
+ toggleGrabState(isDragging); |
|
| 967 |
+ window.removeEventListener('mousemove', mouseMove);
|
|
| 968 |
+ window.removeEventListener('touchmove', mouseMove);
|
|
| 969 |
+ window.removeEventListener('mouseup', mouseUp);
|
|
| 970 |
+ window.removeEventListener('touchend', mouseUp);
|
|
| 971 |
+ document.body.style[CSS_USERSELECT] = ''; |
|
| 972 |
+ _updateCenterPoint.call(self); |
|
| 973 |
+ _triggerUpdate.call(self); |
|
| 974 |
+ originalDistance = 0; |
|
| 975 |
+ } |
|
| 976 |
+ |
|
| 977 |
+ self.elements.overlay.addEventListener('mousedown', mouseDown);
|
|
| 978 |
+ self.elements.viewport.addEventListener('keydown', keyDown);
|
|
| 979 |
+ self.elements.overlay.addEventListener('touchstart', mouseDown);
|
|
| 980 |
+ } |
|
| 981 |
+ |
|
| 982 |
+ function _updateOverlay() {
|
|
| 983 |
+ if (!this.elements) return; // since this is debounced, it can be fired after destroy |
|
| 984 |
+ var self = this, |
|
| 985 |
+ boundRect = self.elements.boundary.getBoundingClientRect(), |
|
| 986 |
+ imgData = self.elements.preview.getBoundingClientRect(); |
|
| 987 |
+ |
|
| 988 |
+ css(self.elements.overlay, {
|
|
| 989 |
+ width: imgData.width + 'px', |
|
| 990 |
+ height: imgData.height + 'px', |
|
| 991 |
+ top: (imgData.top - boundRect.top) + 'px', |
|
| 992 |
+ left: (imgData.left - boundRect.left) + 'px' |
|
| 993 |
+ }); |
|
| 994 |
+ } |
|
| 995 |
+ var _debouncedOverlay = debounce(_updateOverlay, 500); |
|
| 996 |
+ |
|
| 997 |
+ function _triggerUpdate() {
|
|
| 998 |
+ var self = this, |
|
| 999 |
+ data = self.get(); |
|
| 1000 |
+ |
|
| 1001 |
+ if (!_isVisible.call(self)) {
|
|
| 1002 |
+ return; |
|
| 1003 |
+ } |
|
| 1004 |
+ |
|
| 1005 |
+ self.options.update.call(self, data); |
|
| 1006 |
+ if (self.$ && typeof Prototype === 'undefined') {
|
|
| 1007 |
+ self.$(self.element).trigger('update.croppie', data);
|
|
| 1008 |
+ } |
|
| 1009 |
+ else {
|
|
| 1010 |
+ var ev; |
|
| 1011 |
+ if (window.CustomEvent) {
|
|
| 1012 |
+ ev = new CustomEvent('update', { detail: data });
|
|
| 1013 |
+ } else {
|
|
| 1014 |
+ ev = document.createEvent('CustomEvent');
|
|
| 1015 |
+ ev.initCustomEvent('update', true, true, data);
|
|
| 1016 |
+ } |
|
| 1017 |
+ |
|
| 1018 |
+ self.element.dispatchEvent(ev); |
|
| 1019 |
+ } |
|
| 1020 |
+ } |
|
| 1021 |
+ |
|
| 1022 |
+ function _isVisible() {
|
|
| 1023 |
+ return this.elements.preview.offsetHeight > 0 && this.elements.preview.offsetWidth > 0; |
|
| 1024 |
+ } |
|
| 1025 |
+ |
|
| 1026 |
+ function _updatePropertiesFromImage() {
|
|
| 1027 |
+ var self = this, |
|
| 1028 |
+ initialZoom = 1, |
|
| 1029 |
+ cssReset = {},
|
|
| 1030 |
+ img = self.elements.preview, |
|
| 1031 |
+ imgData, |
|
| 1032 |
+ transformReset = new Transform(0, 0, initialZoom), |
|
| 1033 |
+ originReset = new TransformOrigin(), |
|
| 1034 |
+ isVisible = _isVisible.call(self); |
|
| 1035 |
+ |
|
| 1036 |
+ if (!isVisible || self.data.bound) {// if the croppie isn't visible or it doesn't need binding
|
|
| 1037 |
+ return; |
|
| 1038 |
+ } |
|
| 1039 |
+ |
|
| 1040 |
+ self.data.bound = true; |
|
| 1041 |
+ cssReset[CSS_TRANSFORM] = transformReset.toString(); |
|
| 1042 |
+ cssReset[CSS_TRANS_ORG] = originReset.toString(); |
|
| 1043 |
+ cssReset['opacity'] = 1; |
|
| 1044 |
+ css(img, cssReset); |
|
| 1045 |
+ |
|
| 1046 |
+ imgData = self.elements.preview.getBoundingClientRect(); |
|
| 1047 |
+ |
|
| 1048 |
+ self._originalImageWidth = imgData.width; |
|
| 1049 |
+ self._originalImageHeight = imgData.height; |
|
| 1050 |
+ self.data.orientation = getExifOrientation(self.elements.img); |
|
| 1051 |
+ |
|
| 1052 |
+ if (self.options.enableZoom) {
|
|
| 1053 |
+ _updateZoomLimits.call(self, true); |
|
| 1054 |
+ } |
|
| 1055 |
+ else {
|
|
| 1056 |
+ self._currentZoom = initialZoom; |
|
| 1057 |
+ } |
|
| 1058 |
+ |
|
| 1059 |
+ transformReset.scale = self._currentZoom; |
|
| 1060 |
+ cssReset[CSS_TRANSFORM] = transformReset.toString(); |
|
| 1061 |
+ css(img, cssReset); |
|
| 1062 |
+ |
|
| 1063 |
+ if (self.data.points.length) {
|
|
| 1064 |
+ _bindPoints.call(self, self.data.points); |
|
| 1065 |
+ } |
|
| 1066 |
+ else {
|
|
| 1067 |
+ _centerImage.call(self); |
|
| 1068 |
+ } |
|
| 1069 |
+ |
|
| 1070 |
+ _updateCenterPoint.call(self); |
|
| 1071 |
+ _updateOverlay.call(self); |
|
| 1072 |
+ } |
|
| 1073 |
+ |
|
| 1074 |
+ function _updateZoomLimits (initial) {
|
|
| 1075 |
+ var self = this, |
|
| 1076 |
+ minZoom = Math.max(self.options.minZoom, 0) || 0, |
|
| 1077 |
+ maxZoom = self.options.maxZoom || 1.5, |
|
| 1078 |
+ initialZoom, |
|
| 1079 |
+ defaultInitialZoom, |
|
| 1080 |
+ zoomer = self.elements.zoomer, |
|
| 1081 |
+ scale = parseFloat(zoomer.value), |
|
| 1082 |
+ boundaryData = self.elements.boundary.getBoundingClientRect(), |
|
| 1083 |
+ imgData = naturalImageDimensions(self.elements.img, self.data.orientation), |
|
| 1084 |
+ vpData = self.elements.viewport.getBoundingClientRect(), |
|
| 1085 |
+ minW, |
|
| 1086 |
+ minH; |
|
| 1087 |
+ if (self.options.enforceBoundary) {
|
|
| 1088 |
+ minW = vpData.width / imgData.width; |
|
| 1089 |
+ minH = vpData.height / imgData.height; |
|
| 1090 |
+ minZoom = Math.max(minW, minH); |
|
| 1091 |
+ } |
|
| 1092 |
+ |
|
| 1093 |
+ if (minZoom >= maxZoom) {
|
|
| 1094 |
+ maxZoom = minZoom + 1; |
|
| 1095 |
+ } |
|
| 1096 |
+ |
|
| 1097 |
+ zoomer.min = fix(minZoom, 4); |
|
| 1098 |
+ zoomer.max = fix(maxZoom, 4); |
|
| 1099 |
+ |
|
| 1100 |
+ if (!initial && (scale < zoomer.min || scale > zoomer.max)) {
|
|
| 1101 |
+ _setZoomerVal.call(self, scale < zoomer.min ? zoomer.min : zoomer.max); |
|
| 1102 |
+ } |
|
| 1103 |
+ else if (initial) {
|
|
| 1104 |
+ defaultInitialZoom = Math.max((boundaryData.width / imgData.width), (boundaryData.height / imgData.height)); |
|
| 1105 |
+ initialZoom = self.data.boundZoom !== null ? self.data.boundZoom : defaultInitialZoom; |
|
| 1106 |
+ _setZoomerVal.call(self, initialZoom); |
|
| 1107 |
+ } |
|
| 1108 |
+ |
|
| 1109 |
+ dispatchChange(zoomer); |
|
| 1110 |
+ } |
|
| 1111 |
+ |
|
| 1112 |
+ function _bindPoints(points) {
|
|
| 1113 |
+ if (points.length !== 4) {
|
|
| 1114 |
+ throw "Croppie - Invalid number of points supplied: " + points; |
|
| 1115 |
+ } |
|
| 1116 |
+ var self = this, |
|
| 1117 |
+ pointsWidth = points[2] - points[0], |
|
| 1118 |
+ // pointsHeight = points[3] - points[1], |
|
| 1119 |
+ vpData = self.elements.viewport.getBoundingClientRect(), |
|
| 1120 |
+ boundRect = self.elements.boundary.getBoundingClientRect(), |
|
| 1121 |
+ vpOffset = {
|
|
| 1122 |
+ left: vpData.left - boundRect.left, |
|
| 1123 |
+ top: vpData.top - boundRect.top |
|
| 1124 |
+ }, |
|
| 1125 |
+ scale = vpData.width / pointsWidth, |
|
| 1126 |
+ originTop = points[1], |
|
| 1127 |
+ originLeft = points[0], |
|
| 1128 |
+ transformTop = (-1 * points[1]) + vpOffset.top, |
|
| 1129 |
+ transformLeft = (-1 * points[0]) + vpOffset.left, |
|
| 1130 |
+ newCss = {};
|
|
| 1131 |
+ |
|
| 1132 |
+ newCss[CSS_TRANS_ORG] = originLeft + 'px ' + originTop + 'px'; |
|
| 1133 |
+ newCss[CSS_TRANSFORM] = new Transform(transformLeft, transformTop, scale).toString(); |
|
| 1134 |
+ css(self.elements.preview, newCss); |
|
| 1135 |
+ |
|
| 1136 |
+ _setZoomerVal.call(self, scale); |
|
| 1137 |
+ self._currentZoom = scale; |
|
| 1138 |
+ } |
|
| 1139 |
+ |
|
| 1140 |
+ function _centerImage() {
|
|
| 1141 |
+ var self = this, |
|
| 1142 |
+ imgDim = self.elements.preview.getBoundingClientRect(), |
|
| 1143 |
+ vpDim = self.elements.viewport.getBoundingClientRect(), |
|
| 1144 |
+ boundDim = self.elements.boundary.getBoundingClientRect(), |
|
| 1145 |
+ vpLeft = vpDim.left - boundDim.left, |
|
| 1146 |
+ vpTop = vpDim.top - boundDim.top, |
|
| 1147 |
+ w = vpLeft - ((imgDim.width - vpDim.width) / 2), |
|
| 1148 |
+ h = vpTop - ((imgDim.height - vpDim.height) / 2), |
|
| 1149 |
+ transform = new Transform(w, h, self._currentZoom); |
|
| 1150 |
+ |
|
| 1151 |
+ css(self.elements.preview, CSS_TRANSFORM, transform.toString()); |
|
| 1152 |
+ } |
|
| 1153 |
+ |
|
| 1154 |
+ function _transferImageToCanvas(customOrientation) {
|
|
| 1155 |
+ var self = this, |
|
| 1156 |
+ canvas = self.elements.canvas, |
|
| 1157 |
+ img = self.elements.img, |
|
| 1158 |
+ ctx = canvas.getContext('2d');
|
|
| 1159 |
+ |
|
| 1160 |
+ ctx.clearRect(0, 0, canvas.width, canvas.height); |
|
| 1161 |
+ canvas.width = img.width; |
|
| 1162 |
+ canvas.height = img.height; |
|
| 1163 |
+ |
|
| 1164 |
+ var orientation = self.options.enableOrientation && customOrientation || getExifOrientation(img); |
|
| 1165 |
+ drawCanvas(canvas, img, orientation); |
|
| 1166 |
+ } |
|
| 1167 |
+ |
|
| 1168 |
+ function _getCanvas(data) {
|
|
| 1169 |
+ var self = this, |
|
| 1170 |
+ points = data.points, |
|
| 1171 |
+ left = num(points[0]), |
|
| 1172 |
+ top = num(points[1]), |
|
| 1173 |
+ right = num(points[2]), |
|
| 1174 |
+ bottom = num(points[3]), |
|
| 1175 |
+ width = right-left, |
|
| 1176 |
+ height = bottom-top, |
|
| 1177 |
+ circle = data.circle, |
|
| 1178 |
+ canvas = document.createElement('canvas'),
|
|
| 1179 |
+ ctx = canvas.getContext('2d'),
|
|
| 1180 |
+ startX = 0, |
|
| 1181 |
+ startY = 0, |
|
| 1182 |
+ canvasWidth = data.outputWidth || width, |
|
| 1183 |
+ canvasHeight = data.outputHeight || height; |
|
| 1184 |
+ |
|
| 1185 |
+ canvas.width = canvasWidth; |
|
| 1186 |
+ canvas.height = canvasHeight; |
|
| 1187 |
+ |
|
| 1188 |
+ if (data.backgroundColor) {
|
|
| 1189 |
+ ctx.fillStyle = data.backgroundColor; |
|
| 1190 |
+ ctx.fillRect(0, 0, canvasWidth, canvasHeight); |
|
| 1191 |
+ } |
|
| 1192 |
+ |
|
| 1193 |
+ // By default assume we're going to draw the entire |
|
| 1194 |
+ // source image onto the destination canvas. |
|
| 1195 |
+ var sx = left, |
|
| 1196 |
+ sy = top, |
|
| 1197 |
+ sWidth = width, |
|
| 1198 |
+ sHeight = height, |
|
| 1199 |
+ dx = 0, |
|
| 1200 |
+ dy = 0, |
|
| 1201 |
+ dWidth = canvasWidth, |
|
| 1202 |
+ dHeight = canvasHeight; |
|
| 1203 |
+ |
|
| 1204 |
+ // |
|
| 1205 |
+ // Do not go outside of the original image's bounds along the x-axis. |
|
| 1206 |
+ // Handle translations when projecting onto the destination canvas. |
|
| 1207 |
+ // |
|
| 1208 |
+ |
|
| 1209 |
+ // The smallest possible source x-position is 0. |
|
| 1210 |
+ if (left < 0) {
|
|
| 1211 |
+ sx = 0; |
|
| 1212 |
+ dx = (Math.abs(left) / width) * canvasWidth; |
|
| 1213 |
+ } |
|
| 1214 |
+ |
|
| 1215 |
+ // The largest possible source width is the original image's width. |
|
| 1216 |
+ if (sWidth + sx > self._originalImageWidth) {
|
|
| 1217 |
+ sWidth = self._originalImageWidth - sx; |
|
| 1218 |
+ dWidth = (sWidth / width) * canvasWidth; |
|
| 1219 |
+ } |
|
| 1220 |
+ |
|
| 1221 |
+ // |
|
| 1222 |
+ // Do not go outside of the original image's bounds along the y-axis. |
|
| 1223 |
+ // |
|
| 1224 |
+ |
|
| 1225 |
+ // The smallest possible source y-position is 0. |
|
| 1226 |
+ if (top < 0) {
|
|
| 1227 |
+ sy = 0; |
|
| 1228 |
+ dy = (Math.abs(top) / height) * canvasHeight; |
|
| 1229 |
+ } |
|
| 1230 |
+ |
|
| 1231 |
+ // The largest possible source height is the original image's height. |
|
| 1232 |
+ if (sHeight + sy > self._originalImageHeight) {
|
|
| 1233 |
+ sHeight = self._originalImageHeight - sy; |
|
| 1234 |
+ dHeight = (sHeight / height) * canvasHeight; |
|
| 1235 |
+ } |
|
| 1236 |
+ |
|
| 1237 |
+ // console.table({ left, right, top, bottom, canvasWidth, canvasHeight, width, height, startX, startY, circle, sx, sy, dx, dy, sWidth, sHeight, dWidth, dHeight });
|
|
| 1238 |
+ |
|
| 1239 |
+ ctx.drawImage(this.elements.preview, sx, sy, sWidth, sHeight, dx, dy, dWidth, dHeight); |
|
| 1240 |
+ if (circle) {
|
|
| 1241 |
+ ctx.fillStyle = '#fff'; |
|
| 1242 |
+ ctx.globalCompositeOperation = 'destination-in'; |
|
| 1243 |
+ ctx.beginPath(); |
|
| 1244 |
+ ctx.arc(canvas.width / 2, canvas.height / 2, canvas.width / 2, 0, Math.PI * 2, true); |
|
| 1245 |
+ ctx.closePath(); |
|
| 1246 |
+ ctx.fill(); |
|
| 1247 |
+ } |
|
| 1248 |
+ return canvas; |
|
| 1249 |
+ } |
|
| 1250 |
+ |
|
| 1251 |
+ function _getHtmlResult(data) {
|
|
| 1252 |
+ var points = data.points, |
|
| 1253 |
+ div = document.createElement('div'),
|
|
| 1254 |
+ img = document.createElement('img'),
|
|
| 1255 |
+ width = points[2] - points[0], |
|
| 1256 |
+ height = points[3] - points[1]; |
|
| 1257 |
+ |
|
| 1258 |
+ addClass(div, 'croppie-result'); |
|
| 1259 |
+ div.appendChild(img); |
|
| 1260 |
+ css(img, {
|
|
| 1261 |
+ left: (-1 * points[0]) + 'px', |
|
| 1262 |
+ top: (-1 * points[1]) + 'px' |
|
| 1263 |
+ }); |
|
| 1264 |
+ img.src = data.url; |
|
| 1265 |
+ css(div, {
|
|
| 1266 |
+ width: width + 'px', |
|
| 1267 |
+ height: height + 'px' |
|
| 1268 |
+ }); |
|
| 1269 |
+ |
|
| 1270 |
+ return div; |
|
| 1271 |
+ } |
|
| 1272 |
+ |
|
| 1273 |
+ function _getBase64Result(data) {
|
|
| 1274 |
+ return _getCanvas.call(this, data).toDataURL(data.format, data.quality); |
|
| 1275 |
+ } |
|
| 1276 |
+ |
|
| 1277 |
+ function _getBlobResult(data) {
|
|
| 1278 |
+ var self = this; |
|
| 1279 |
+ return new Promise(function (resolve) {
|
|
| 1280 |
+ _getCanvas.call(self, data).toBlob(function (blob) {
|
|
| 1281 |
+ resolve(blob); |
|
| 1282 |
+ }, data.format, data.quality); |
|
| 1283 |
+ }); |
|
| 1284 |
+ } |
|
| 1285 |
+ |
|
| 1286 |
+ function _replaceImage(img) {
|
|
| 1287 |
+ if (this.elements.img.parentNode) {
|
|
| 1288 |
+ Array.prototype.forEach.call(this.elements.img.classList, function(c) { img.classList.add(c); });
|
|
| 1289 |
+ this.elements.img.parentNode.replaceChild(img, this.elements.img); |
|
| 1290 |
+ this.elements.preview = img; // if the img is attached to the DOM, they're not using the canvas |
|
| 1291 |
+ } |
|
| 1292 |
+ this.elements.img = img; |
|
| 1293 |
+ } |
|
| 1294 |
+ |
|
| 1295 |
+ function _bind(options, cb) {
|
|
| 1296 |
+ var self = this, |
|
| 1297 |
+ url, |
|
| 1298 |
+ points = [], |
|
| 1299 |
+ zoom = null, |
|
| 1300 |
+ hasExif = _hasExif.call(self); |
|
| 1301 |
+ |
|
| 1302 |
+ if (typeof (options) === 'string') {
|
|
| 1303 |
+ url = options; |
|
| 1304 |
+ options = {};
|
|
| 1305 |
+ } |
|
| 1306 |
+ else if (Array.isArray(options)) {
|
|
| 1307 |
+ points = options.slice(); |
|
| 1308 |
+ } |
|
| 1309 |
+ else if (typeof (options) === 'undefined' && self.data.url) { //refreshing
|
|
| 1310 |
+ _updatePropertiesFromImage.call(self); |
|
| 1311 |
+ _triggerUpdate.call(self); |
|
| 1312 |
+ return null; |
|
| 1313 |
+ } |
|
| 1314 |
+ else {
|
|
| 1315 |
+ url = options.url; |
|
| 1316 |
+ points = options.points || []; |
|
| 1317 |
+ zoom = typeof(options.zoom) === 'undefined' ? null : options.zoom; |
|
| 1318 |
+ } |
|
| 1319 |
+ |
|
| 1320 |
+ self.data.bound = false; |
|
| 1321 |
+ self.data.url = url || self.data.url; |
|
| 1322 |
+ self.data.boundZoom = zoom; |
|
| 1323 |
+ |
|
| 1324 |
+ return loadImage(url, hasExif).then(function (img) {
|
|
| 1325 |
+ _replaceImage.call(self, img); |
|
| 1326 |
+ if (!points.length) {
|
|
| 1327 |
+ var natDim = naturalImageDimensions(img); |
|
| 1328 |
+ var rect = self.elements.viewport.getBoundingClientRect(); |
|
| 1329 |
+ var aspectRatio = rect.width / rect.height; |
|
| 1330 |
+ var imgAspectRatio = natDim.width / natDim.height; |
|
| 1331 |
+ var width, height; |
|
| 1332 |
+ |
|
| 1333 |
+ if (imgAspectRatio > aspectRatio) {
|
|
| 1334 |
+ height = natDim.height; |
|
| 1335 |
+ width = height * aspectRatio; |
|
| 1336 |
+ } |
|
| 1337 |
+ else {
|
|
| 1338 |
+ width = natDim.width; |
|
| 1339 |
+ height = natDim.height / aspectRatio; |
|
| 1340 |
+ } |
|
| 1341 |
+ |
|
| 1342 |
+ var x0 = (natDim.width - width) / 2; |
|
| 1343 |
+ var y0 = (natDim.height - height) / 2; |
|
| 1344 |
+ var x1 = x0 + width; |
|
| 1345 |
+ var y1 = y0 + height; |
|
| 1346 |
+ self.data.points = [x0, y0, x1, y1]; |
|
| 1347 |
+ } |
|
| 1348 |
+ else if (self.options.relative) {
|
|
| 1349 |
+ points = [ |
|
| 1350 |
+ points[0] * img.naturalWidth / 100, |
|
| 1351 |
+ points[1] * img.naturalHeight / 100, |
|
| 1352 |
+ points[2] * img.naturalWidth / 100, |
|
| 1353 |
+ points[3] * img.naturalHeight / 100 |
|
| 1354 |
+ ]; |
|
| 1355 |
+ } |
|
| 1356 |
+ |
|
| 1357 |
+ self.data.points = points.map(function (p) {
|
|
| 1358 |
+ return parseFloat(p); |
|
| 1359 |
+ }); |
|
| 1360 |
+ if (self.options.useCanvas) {
|
|
| 1361 |
+ _transferImageToCanvas.call(self, options.orientation); |
|
| 1362 |
+ } |
|
| 1363 |
+ _updatePropertiesFromImage.call(self); |
|
| 1364 |
+ _triggerUpdate.call(self); |
|
| 1365 |
+ cb && cb(); |
|
| 1366 |
+ }); |
|
| 1367 |
+ } |
|
| 1368 |
+ |
|
| 1369 |
+ function fix(v, decimalPoints) {
|
|
| 1370 |
+ return parseFloat(v).toFixed(decimalPoints || 0); |
|
| 1371 |
+ } |
|
| 1372 |
+ |
|
| 1373 |
+ function _get() {
|
|
| 1374 |
+ var self = this, |
|
| 1375 |
+ imgData = self.elements.preview.getBoundingClientRect(), |
|
| 1376 |
+ vpData = self.elements.viewport.getBoundingClientRect(), |
|
| 1377 |
+ x1 = vpData.left - imgData.left, |
|
| 1378 |
+ y1 = vpData.top - imgData.top, |
|
| 1379 |
+ widthDiff = (vpData.width - self.elements.viewport.offsetWidth) / 2, //border |
|
| 1380 |
+ heightDiff = (vpData.height - self.elements.viewport.offsetHeight) / 2, |
|
| 1381 |
+ x2 = x1 + self.elements.viewport.offsetWidth + widthDiff, |
|
| 1382 |
+ y2 = y1 + self.elements.viewport.offsetHeight + heightDiff, |
|
| 1383 |
+ scale = self._currentZoom; |
|
| 1384 |
+ |
|
| 1385 |
+ if (scale === Infinity || isNaN(scale)) {
|
|
| 1386 |
+ scale = 1; |
|
| 1387 |
+ } |
|
| 1388 |
+ |
|
| 1389 |
+ var max = self.options.enforceBoundary ? 0 : Number.NEGATIVE_INFINITY; |
|
| 1390 |
+ x1 = Math.max(max, x1 / scale); |
|
| 1391 |
+ y1 = Math.max(max, y1 / scale); |
|
| 1392 |
+ x2 = Math.max(max, x2 / scale); |
|
| 1393 |
+ y2 = Math.max(max, y2 / scale); |
|
| 1394 |
+ |
|
| 1395 |
+ return {
|
|
| 1396 |
+ points: [fix(x1), fix(y1), fix(x2), fix(y2)], |
|
| 1397 |
+ zoom: scale, |
|
| 1398 |
+ orientation: self.data.orientation |
|
| 1399 |
+ }; |
|
| 1400 |
+ } |
|
| 1401 |
+ |
|
| 1402 |
+ var RESULT_DEFAULTS = {
|
|
| 1403 |
+ type: 'canvas', |
|
| 1404 |
+ format: 'png', |
|
| 1405 |
+ quality: 1 |
|
| 1406 |
+ }, |
|
| 1407 |
+ RESULT_FORMATS = ['jpeg', 'webp', 'png']; |
|
| 1408 |
+ |
|
| 1409 |
+ function _result(options) {
|
|
| 1410 |
+ var self = this, |
|
| 1411 |
+ data = _get.call(self), |
|
| 1412 |
+ opts = deepExtend(clone(RESULT_DEFAULTS), clone(options)), |
|
| 1413 |
+ resultType = (typeof (options) === 'string' ? options : (opts.type || 'base64')), |
|
| 1414 |
+ size = opts.size || 'viewport', |
|
| 1415 |
+ format = opts.format, |
|
| 1416 |
+ quality = opts.quality, |
|
| 1417 |
+ backgroundColor = opts.backgroundColor, |
|
| 1418 |
+ circle = typeof opts.circle === 'boolean' ? opts.circle : (self.options.viewport.type === 'circle'), |
|
| 1419 |
+ vpRect = self.elements.viewport.getBoundingClientRect(), |
|
| 1420 |
+ ratio = vpRect.width / vpRect.height, |
|
| 1421 |
+ prom; |
|
| 1422 |
+ |
|
| 1423 |
+ if (size === 'viewport') {
|
|
| 1424 |
+ data.outputWidth = vpRect.width; |
|
| 1425 |
+ data.outputHeight = vpRect.height; |
|
| 1426 |
+ } else if (typeof size === 'object') {
|
|
| 1427 |
+ if (size.width && size.height) {
|
|
| 1428 |
+ data.outputWidth = size.width; |
|
| 1429 |
+ data.outputHeight = size.height; |
|
| 1430 |
+ } else if (size.width) {
|
|
| 1431 |
+ data.outputWidth = size.width; |
|
| 1432 |
+ data.outputHeight = size.width / ratio; |
|
| 1433 |
+ } else if (size.height) {
|
|
| 1434 |
+ data.outputWidth = size.height * ratio; |
|
| 1435 |
+ data.outputHeight = size.height; |
|
| 1436 |
+ } |
|
| 1437 |
+ } |
|
| 1438 |
+ |
|
| 1439 |
+ if (RESULT_FORMATS.indexOf(format) > -1) {
|
|
| 1440 |
+ data.format = 'image/' + format; |
|
| 1441 |
+ data.quality = quality; |
|
| 1442 |
+ } |
|
| 1443 |
+ |
|
| 1444 |
+ data.circle = circle; |
|
| 1445 |
+ data.url = self.data.url; |
|
| 1446 |
+ data.backgroundColor = backgroundColor; |
|
| 1447 |
+ |
|
| 1448 |
+ prom = new Promise(function (resolve) {
|
|
| 1449 |
+ switch(resultType.toLowerCase()) |
|
| 1450 |
+ {
|
|
| 1451 |
+ case 'rawcanvas': |
|
| 1452 |
+ resolve(_getCanvas.call(self, data)); |
|
| 1453 |
+ break; |
|
| 1454 |
+ case 'canvas': |
|
| 1455 |
+ case 'base64': |
|
| 1456 |
+ resolve(_getBase64Result.call(self, data)); |
|
| 1457 |
+ break; |
|
| 1458 |
+ case 'blob': |
|
| 1459 |
+ _getBlobResult.call(self, data).then(resolve); |
|
| 1460 |
+ break; |
|
| 1461 |
+ default: |
|
| 1462 |
+ resolve(_getHtmlResult.call(self, data)); |
|
| 1463 |
+ break; |
|
| 1464 |
+ } |
|
| 1465 |
+ }); |
|
| 1466 |
+ return prom; |
|
| 1467 |
+ } |
|
| 1468 |
+ |
|
| 1469 |
+ function _refresh() {
|
|
| 1470 |
+ _updatePropertiesFromImage.call(this); |
|
| 1471 |
+ } |
|
| 1472 |
+ |
|
| 1473 |
+ function _rotate(deg) {
|
|
| 1474 |
+ if (!this.options.useCanvas || !this.options.enableOrientation) {
|
|
| 1475 |
+ throw 'Croppie: Cannot rotate without enableOrientation && EXIF.js included'; |
|
| 1476 |
+ } |
|
| 1477 |
+ |
|
| 1478 |
+ var self = this, |
|
| 1479 |
+ canvas = self.elements.canvas; |
|
| 1480 |
+ |
|
| 1481 |
+ self.data.orientation = getExifOffset(self.data.orientation, deg); |
|
| 1482 |
+ drawCanvas(canvas, self.elements.img, self.data.orientation); |
|
| 1483 |
+ _updateCenterPoint.call(self, true); |
|
| 1484 |
+ _updateZoomLimits.call(self); |
|
| 1485 |
+ } |
|
| 1486 |
+ |
|
| 1487 |
+ function _destroy() {
|
|
| 1488 |
+ var self = this; |
|
| 1489 |
+ self.element.removeChild(self.elements.boundary); |
|
| 1490 |
+ removeClass(self.element, 'croppie-container'); |
|
| 1491 |
+ if (self.options.enableZoom) {
|
|
| 1492 |
+ self.element.removeChild(self.elements.zoomerWrap); |
|
| 1493 |
+ } |
|
| 1494 |
+ delete self.elements; |
|
| 1495 |
+ } |
|
| 1496 |
+ |
|
| 1497 |
+ if (window.jQuery) {
|
|
| 1498 |
+ var $ = window.jQuery; |
|
| 1499 |
+ $.fn.croppie = function (opts) {
|
|
| 1500 |
+ var ot = typeof opts; |
|
| 1501 |
+ |
|
| 1502 |
+ if (ot === 'string') {
|
|
| 1503 |
+ var args = Array.prototype.slice.call(arguments, 1); |
|
| 1504 |
+ var singleInst = $(this).data('croppie');
|
|
| 1505 |
+ |
|
| 1506 |
+ if (opts === 'get') {
|
|
| 1507 |
+ return singleInst.get(); |
|
| 1508 |
+ } |
|
| 1509 |
+ else if (opts === 'result') {
|
|
| 1510 |
+ return singleInst.result.apply(singleInst, args); |
|
| 1511 |
+ } |
|
| 1512 |
+ else if (opts === 'bind') {
|
|
| 1513 |
+ return singleInst.bind.apply(singleInst, args); |
|
| 1514 |
+ } |
|
| 1515 |
+ |
|
| 1516 |
+ return this.each(function () {
|
|
| 1517 |
+ var i = $(this).data('croppie');
|
|
| 1518 |
+ if (!i) return; |
|
| 1519 |
+ |
|
| 1520 |
+ var method = i[opts]; |
|
| 1521 |
+ if ($.isFunction(method)) {
|
|
| 1522 |
+ method.apply(i, args); |
|
| 1523 |
+ if (opts === 'destroy') {
|
|
| 1524 |
+ $(this).removeData('croppie');
|
|
| 1525 |
+ } |
|
| 1526 |
+ } |
|
| 1527 |
+ else {
|
|
| 1528 |
+ throw 'Croppie ' + opts + ' method not found'; |
|
| 1529 |
+ } |
|
| 1530 |
+ }); |
|
| 1531 |
+ } |
|
| 1532 |
+ else {
|
|
| 1533 |
+ return this.each(function () {
|
|
| 1534 |
+ var i = new Croppie(this, opts); |
|
| 1535 |
+ i.$ = $; |
|
| 1536 |
+ $(this).data('croppie', i);
|
|
| 1537 |
+ }); |
|
| 1538 |
+ } |
|
| 1539 |
+ }; |
|
| 1540 |
+ } |
|
| 1541 |
+ |
|
| 1542 |
+ function Croppie(element, opts) {
|
|
| 1543 |
+ if (element.className.indexOf('croppie-container') > -1) {
|
|
| 1544 |
+ throw new Error("Croppie: Can't initialize croppie more than once");
|
|
| 1545 |
+ } |
|
| 1546 |
+ this.element = element; |
|
| 1547 |
+ this.options = deepExtend(clone(Croppie.defaults), opts); |
|
| 1548 |
+ |
|
| 1549 |
+ if (this.element.tagName.toLowerCase() === 'img') {
|
|
| 1550 |
+ var origImage = this.element; |
|
| 1551 |
+ addClass(origImage, 'cr-original-image'); |
|
| 1552 |
+ setAttributes(origImage, {'aria-hidden' : 'true', 'alt' : '' });
|
|
| 1553 |
+ var replacementDiv = document.createElement('div');
|
|
| 1554 |
+ this.element.parentNode.appendChild(replacementDiv); |
|
| 1555 |
+ replacementDiv.appendChild(origImage); |
|
| 1556 |
+ this.element = replacementDiv; |
|
| 1557 |
+ this.options.url = this.options.url || origImage.src; |
|
| 1558 |
+ } |
|
| 1559 |
+ |
|
| 1560 |
+ _create.call(this); |
|
| 1561 |
+ if (this.options.url) {
|
|
| 1562 |
+ var bindOpts = {
|
|
| 1563 |
+ url: this.options.url, |
|
| 1564 |
+ points: this.options.points |
|
| 1565 |
+ }; |
|
| 1566 |
+ delete this.options['url']; |
|
| 1567 |
+ delete this.options['points']; |
|
| 1568 |
+ _bind.call(this, bindOpts); |
|
| 1569 |
+ } |
|
| 1570 |
+ } |
|
| 1571 |
+ |
|
| 1572 |
+ Croppie.defaults = {
|
|
| 1573 |
+ viewport: {
|
|
| 1574 |
+ width: 100, |
|
| 1575 |
+ height: 100, |
|
| 1576 |
+ type: 'square' |
|
| 1577 |
+ }, |
|
| 1578 |
+ boundary: { },
|
|
| 1579 |
+ orientationControls: {
|
|
| 1580 |
+ enabled: true, |
|
| 1581 |
+ leftClass: '', |
|
| 1582 |
+ rightClass: '' |
|
| 1583 |
+ }, |
|
| 1584 |
+ resizeControls: {
|
|
| 1585 |
+ width: true, |
|
| 1586 |
+ height: true |
|
| 1587 |
+ }, |
|
| 1588 |
+ customClass: '', |
|
| 1589 |
+ showZoomer: true, |
|
| 1590 |
+ enableZoom: true, |
|
| 1591 |
+ enableResize: false, |
|
| 1592 |
+ mouseWheelZoom: true, |
|
| 1593 |
+ enableExif: false, |
|
| 1594 |
+ enforceBoundary: true, |
|
| 1595 |
+ enableOrientation: false, |
|
| 1596 |
+ enableKeyMovement: true, |
|
| 1597 |
+ update: function () { }
|
|
| 1598 |
+ }; |
|
| 1599 |
+ |
|
| 1600 |
+ Croppie.globals = {
|
|
| 1601 |
+ translate: 'translate3d' |
|
| 1602 |
+ }; |
|
| 1603 |
+ |
|
| 1604 |
+ deepExtend(Croppie.prototype, {
|
|
| 1605 |
+ bind: function (options, cb) {
|
|
| 1606 |
+ return _bind.call(this, options, cb); |
|
| 1607 |
+ }, |
|
| 1608 |
+ get: function () {
|
|
| 1609 |
+ var data = _get.call(this); |
|
| 1610 |
+ var points = data.points; |
|
| 1611 |
+ if (this.options.relative) {
|
|
| 1612 |
+ points[0] /= this.elements.img.naturalWidth / 100; |
|
| 1613 |
+ points[1] /= this.elements.img.naturalHeight / 100; |
|
| 1614 |
+ points[2] /= this.elements.img.naturalWidth / 100; |
|
| 1615 |
+ points[3] /= this.elements.img.naturalHeight / 100; |
|
| 1616 |
+ } |
|
| 1617 |
+ return data; |
|
| 1618 |
+ }, |
|
| 1619 |
+ result: function (type) {
|
|
| 1620 |
+ return _result.call(this, type); |
|
| 1621 |
+ }, |
|
| 1622 |
+ refresh: function () {
|
|
| 1623 |
+ return _refresh.call(this); |
|
| 1624 |
+ }, |
|
| 1625 |
+ setZoom: function (v) {
|
|
| 1626 |
+ _setZoomerVal.call(this, v); |
|
| 1627 |
+ dispatchChange(this.elements.zoomer); |
|
| 1628 |
+ }, |
|
| 1629 |
+ rotate: function (deg) {
|
|
| 1630 |
+ _rotate.call(this, deg); |
|
| 1631 |
+ }, |
|
| 1632 |
+ destroy: function () {
|
|
| 1633 |
+ return _destroy.call(this); |
|
| 1634 |
+ } |
|
| 1635 |
+ }); |
|
| 1636 |
+ return Croppie; |
|
| 1637 |
+})); |