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comparison skins/larry/svggradient.php @ 0:4681f974d28b

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vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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-1:000000000000 0:4681f974d28b
1 <?php
2
3 /**
4 * Render SVG gradients for IE 9
5 *
6 * Copyright (c) 2012, The Roundcube Dev Team
7 *
8 * The contents are subject to the Creative Commons Attribution-ShareAlike
9 * License. It is allowed to copy, distribute, transmit and to adapt the work
10 * by keeping credits to the original autors in the README file.
11 * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
12 */
13
14 ini_set('error_reporting', E_ALL &~ (E_NOTICE | E_STRICT));
15
16 header('Content-Type: image/svg+xml');
17 header("Expires: ".gmdate("D, d M Y H:i:s", time()+864000)." GMT");
18 header("Cache-Control: max-age=864000");
19 header("Pragma: ");
20
21 $svg_stops = '';
22 $color_stops = explode(';', preg_replace('/[^a-f0-9,;%]/i', '', $_GET['c']));
23 $gradient_coords = !empty($_GET['h']) ? 'x1="0%" y1="0%" x2="100%" y2="0%"' : 'x1="0%" y1="0%" x2="0%" y2="100%"';
24 $last = count($color_stops) - 1;
25 foreach ($color_stops as $i => $stop) {
26 list($color, $offset) = explode(',', $stop);
27 if ($offset)
28 $offset = intval($offset);
29 else
30 $offset = $i == $last ? 100 : 0;
31
32 $svg_stops .= '<stop offset="' . $offset . '%" stop-color="#' . $color . '" stop-opacity="1"/>';
33 }
34
35 ?>
36 <svg xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none" version="1.0" width="100%" height="100%">
37 <defs>
38 <linearGradient id="LG1" <?php echo $gradient_coords; ?> spreadMethod="pad">
39 <?php echo $svg_stops; ?>
40 </linearGradient>
41 </defs>
42 <rect width="100%" height="100%" style="fill:url(#LG1);"/>
43 </svg>