https://matsumoto.ed.jp/wp-content/themes/insp_para/framework/js/p…y.pixelentity.simplethumb.js?ver=1561346631

1(function ($) {
2	/*jslint undef: false, browser: true, devel: false, eqeqeq: false, bitwise: false, white: false, plusplus: false, regexp: false, nomen: false */ 
3	/*global jQuery,setTimeout,location,setInterval,YT,clearInterval,clearTimeout,pixelentity */
4	
5	$.pixelentity = $.pixelentity || {version: '1.0.0'};
6	
7	$.pixelentity.peSimpleThumb = {	
8		conf: {
9			api: false
10		} 
11	};
12	
13	function PeSimpleThumb(target, conf) {
14		
15		var img;
16		
17		// init function
18		function start() {
19			img = $("<img/>").attr("src",target.attr("data-src")).fadeTo(0,0);
20			target.append(img);
21			$.pixelentity.preloader.load(img,loaded);
22		}
23		
24		function loaded() {
25			var iw = img[0].naturalWidth || img[0].width || img.width();
26			var ih = img[0].naturalHeight || img[0].height || img.height();
27			var scaler = $.pixelentity.Geom.getScaler("fillmax","center","center",target.width(),target.height(),iw,ih);
28			img.transform(
29				scaler.ratio,
30                parseInt(scaler.offset.w,10),
31				parseInt(scaler.offset.h,10),
32				iw,
33                ih,
34                true,
35				true 
36			);
37			
38			img.fadeTo(500,1);
39			target.addClass("loaded");
40			
41			target = undefined;
42			img = undefined;
43		}
44
45		
46		$.extend(this, {
47			// plublic API
48			destroy: function() {
49				target.data("peSimpleThumb", null);
50				target = undefined;
51			}
52		});
53		
54		// initialize
55		start();
56	}
57	
58	// jQuery plugin implementation
59	$.fn.peSimpleThumb = function(conf) {
60		
61		// return existing instance	
62		var api = this.data("peSimpleThumb");
63		
64		if (api) { 
65			return api; 
66		}
67		
68		conf = $.extend(true, {}, $.pixelentity.peSimpleThumb.conf, conf);
69		
70		// install the plugin for each entry in jQuery object
71		this.each(function() {
72			var el = $(this);
73			api = new PeSimpleThumb(el, conf);
74			el.data("peSimpleThumb", api); 
75		});
76		
77		return conf.api ? api: this;		 
78	};
79	
80}(jQuery));