https://amici-london.com/wp-content/plugins/the-pack-addon/assets/…?ver=c33e67e9d27636b617b6d912ecba7fde

1/*
2	jQuery flexImages v1.0.4
3    Copyright (c) 2014 Simon Steinberger / Pixabay
4    GitHub: https://github.com/Pixabay/jQuery-flexImages
5	License: http://www.opensource.org/licenses/mit-license.php
6*/
7
8(function ($) {
9    $.fn.flexImages = function (options) {
10        var o = $.extend({container: '.item', object: 'img', rowHeight: 180, maxRows: 0, truncate: 0}, options);
11        return this.each(function () {
12            var grid = $(this), containers = $(grid).find(o.container), items = [], t = new Date().getTime(),
13                s = window.getComputedStyle ? getComputedStyle(containers[0], null) : containers[0].currentStyle;
14            o.margin = (parseInt(s.marginLeft) || 0) + (parseInt(s.marginRight) || 0) + (Math.round(parseFloat(s.borderLeftWidth)) || 0) + (Math.round(parseFloat(s.borderRightWidth)) || 0);
15            for (j = 0; j < containers.length; j++) {
16                var c = containers[j],
17                    w = parseInt(c.getAttribute('data-w')),
18                    norm_w = w * (o.rowHeight / parseInt(c.getAttribute('data-h'))), // normalized width
19                    obj = $(c).find(o.object);
20                items.push([c, w, norm_w, obj, obj.data('src')]);
21            }
22            makeGrid(grid, items, o);
23            $(window).off('resize.flexImages' + grid.data('flex-t'));
24            $(window).on('resize.flexImages' + t, function () {
25                makeGrid(grid, items, o);
26            });
27            grid.data('flex-t', t)
28        });
29    }
30
31    function makeGrid(grid, items, o, noresize) {
32        var x, new_w, ratio = 1, rows = 1, max_w = grid.width() - 2, row = [], row_width = 0, row_h = o.rowHeight;
33        if (!max_w) max_w = grid.width() - 2; // IE < 8 bug
34
35        // define inside makeGrid to access variables in scope
36        function _helper(lastRow) {
37            if (o.maxRows && rows > o.maxRows || o.truncate && lastRow && rows > 1) row[x][0].style.display = 'none';
38            else {
39                if (row[x][4]) {
40                    row[x][3].attr('src', row[x][4]);
41                    row[x][4] = '';
42                }
43                row[x][0].style.width = new_w + 'px';
44                row[x][0].style.height = row_h + 'px';
45                row[x][0].style.display = 'block';
46            }
47        }
48
49        for (i = 0; i < items.length; i++) {
50            row.push(items[i]);
51            row_width += items[i][2] + o.margin;
52            if (row_width >= max_w) {
53                var margins_in_row = row.length * o.margin;
54                ratio = (max_w - margins_in_row) / (row_width - margins_in_row), row_h = Math.ceil(o.rowHeight * ratio), exact_w = 0, new_w;
55                for (x = 0; x < row.length; x++) {
56                    new_w = Math.ceil(row[x][2] * ratio);
57                    exact_w += new_w + o.margin;
58                    if (exact_w > max_w) new_w -= exact_w - max_w;
59                    _helper();
60                }
61                // reset for next row
62                row = [], row_width = 0;
63                rows++;
64            }
65        }
66        // layout last row - match height of last row to previous row
67        for (x = 0; x < row.length; x++) {
68            new_w = Math.floor(row[x][2] * ratio), h = Math.floor(o.rowHeight * ratio);
69            _helper(true);
70        }
71
72        // scroll bars added or removed during rendering new layout?
73        if (!noresize && max_w != grid.width()) makeGrid(grid, items, o, true);
74    }
75}(jQuery));