https://xn--80adjabqi4abc0aderk5d9d.xn--p1acf/wp-content/themes/clinico_2/js/retina_1.3.0.js?ver=1

1/*!
2 * Retina.js v1.3.0
3 *
4 * Copyright 2014 Imulus, LLC
5 * Released under the MIT license
6 *
7 * Retina.js is an open source script that makes it easy to serve
8 * high-resolution images to devices with retina displays.
9 */
10
11var retina = {};
12retina.root = (typeof exports === 'undefined' ? window : exports);
13retina.config = {
14        // An option to choose a suffix for 2x images
15        retinaImageSuffix : '@2x',
16
17        // Ensure Content-Type is an image before trying to load @2x image
18        // https://github.com/imulus/retinajs/pull/45)
19        check_mime_type: true,
20
21        // Resize high-resolution images to original image's pixel dimensions
22        // https://github.com/imulus/retinajs/issues/8
23        force_original_dimensions: true
24    };
25retina.config.retinaImagePattern = new RegExp( retina.config.retinaImageSuffix + "." );
26
27(function() {
28    function Retina() {}
29
30    window.retina.root.Retina = Retina;
31
32    Retina.configure = function(options) {
33        if (options === null) {
34            options = {};
35        }
36
37        for (var prop in options) {
38            if (options.hasOwnProperty(prop)) {
39                window.retina.config[prop] = options[prop];
40            }
41        }
42    };
43
44    Retina.init = function(context) {
45        if (context === null) {
46            context = window.retina.root;
47        }
48
49        var existing_onload = context.onload || function(){};
50
51        context.onload = function() {
52            var images = document.getElementsByTagName('img'), retinaImages = [], i, image;
53            for (i = 0; i < images.length; i += 1) {
54                image = images[i];
55                if ( !retina.config.retinaImagePattern.test(image.getAttribute("src")) ){
56                    if (!!!image.getAttributeNode('data-no-retina')) {
57                        retinaImages.push(new RetinaImage(image));
58                    }
59                }
60            }
61            existing_onload();
62        };
63    };
64
65    Retina.isRetina = function(){
66        var mediaQuery = '(-webkit-min-device-pixel-ratio: 1.5), (min--moz-device-pixel-ratio: 1.5), (-o-min-device-pixel-ratio: 3/2), (min-resolution: 1.5dppx)';
67
68        if (window.retina.root.devicePixelRatio > 1) {
69            return true;
70        }
71
72        if (window.retina.root.matchMedia && window.retina.root.matchMedia(mediaQuery).matches) {
73            return true;
74        }
75
76        return false;
77    };
78
79
80    var regexMatch = /\.\w+$/;
81    function suffixReplace (match) {
82        return window.retina.config.retinaImageSuffix + match;
83    }
84
85    function RetinaImagePath(path, at_2x_path) {
86        this.path = path || '';
87        if (typeof at_2x_path !== 'undefined' && at_2x_path !== null) {
88            this.at_2x_path = at_2x_path;
89            this.perform_check = false;
90        } else {
91            if (undefined !== document.createElement) {
92                var locationObject = document.createElement('a');
93                locationObject.href = this.path;
94                locationObject.pathname = locationObject.pathname.replace(regexMatch, suffixReplace);
95                this.at_2x_path = locationObject.href;
96            } else {
97                var parts = this.path.split('?');
98                parts[0] = parts[0].replace(regexMatch, suffixReplace);
99                this.at_2x_path = parts.join('?');
100            }
101            this.perform_check = true;
102        }
103    }
104
105    window.retina.root.RetinaImagePath = RetinaImagePath;
106
107    RetinaImagePath.confirmed_paths = [];
108
109    RetinaImagePath.prototype.is_external = function() {
110        return !!(this.path.match(/^https?\:/i) && !this.path.match('//' + document.domain) );
111    };
112
113    RetinaImagePath.prototype.check_2x_variant = function(callback) {
114        var http, that = this;
115        if (this.is_external()) {
116            return callback(false);
117        } else if (!this.perform_check && typeof this.at_2x_path !== 'undefined' && this.at_2x_path !== null) {
118            return callback(true);
119        } else if (this.at_2x_path in RetinaImagePath.confirmed_paths) {
120            return callback(true);
121        } else {
122            http = new XMLHttpRequest();
123            http.open('HEAD', this.at_2x_path);
124            http.onreadystatechange = function() {
125                if (http.readyState !== 4) {
126                    return callback(false);
127                }
128
129                if (http.status >= 200 && http.status <= 399) {

130                    if (window.retina.config.check_mime_type) {
131                        var type = http.getResponseHeader('Content-Type');
132                        if (type === null || !type.match(/^image/i)) {
133                            return callback(false);
134                        }
135                    }
136
137                    RetinaImagePath.confirmed_paths.push(that.at_2x_path);
138                    return callback(true);
139                } else {
140                    return callback(false);
141                }
142            };
143            http.send();
144        }
145    };
146
147
148    function RetinaImage(el) {
149        this.el = el;
150        this.path = new RetinaImagePath(this.el.getAttribute('src'), this.el.getAttribute('data-at2x'));
151        var that = this;
152        this.path.check_2x_variant(function(hasVariant) {
153            if (hasVariant) {
154                that.swap();
155            }
156        });
157    }
158
159    window.retina.root.RetinaImage = RetinaImage;
160
161    RetinaImage.prototype.swap = function(path) {
162        if (typeof path === 'undefined') {
163            path = this.path.at_2x_path;
164        }
165
166        var that = this;
167        function load() {
168            var width = that.el.offsetWidth;
169            var height = that.el.offsetHeight;
170            if ( !that.el.complete || !width || !height ) {
171                setTimeout(load, 5);
172            } else {
173                if (window.retina.config.force_original_dimensions) {
174                    that.el.setAttribute('width', width);
175                    that.el.setAttribute('height', height);
176                }
177
178                that.el.setAttribute('src', path);
179            }
180        }
181        load();
182    };
183
184
185    if (Retina.isRetina()) {
186        Retina.init(window.retina.root);
187    }
188})();