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

vanilla 1.3.3 distro, I hope
author Charlie Root
date Thu, 04 Jan 2018 15:52:31 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/larry/svggradient.php	Thu Jan 04 15:52:31 2018 -0500
@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Render SVG gradients for IE 9
+ *
+ * Copyright (c) 2012, The Roundcube Dev Team
+ *
+ * The contents are subject to the Creative Commons Attribution-ShareAlike
+ * License. It is allowed to copy, distribute, transmit and to adapt the work
+ * by keeping credits to the original autors in the README file.
+ * See http://creativecommons.org/licenses/by-sa/3.0/ for details.
+ */
+
+ini_set('error_reporting', E_ALL &~ (E_NOTICE | E_STRICT));
+
+header('Content-Type: image/svg+xml');
+header("Expires: ".gmdate("D, d M Y H:i:s", time()+864000)." GMT");
+header("Cache-Control: max-age=864000");
+header("Pragma: ");
+
+$svg_stops = '';
+$color_stops = explode(';', preg_replace('/[^a-f0-9,;%]/i', '', $_GET['c']));
+$gradient_coords = !empty($_GET['h']) ? 'x1="0%" y1="0%" x2="100%" y2="0%"' : 'x1="0%" y1="0%" x2="0%" y2="100%"';
+$last = count($color_stops) - 1;
+foreach ($color_stops as $i => $stop) {
+	list($color, $offset) = explode(',', $stop);
+	if ($offset)
+		$offset = intval($offset);
+	else
+		$offset = $i == $last ? 100 : 0;
+
+	$svg_stops .= '<stop offset="' . $offset . '%" stop-color="#' . $color . '" stop-opacity="1"/>';
+}
+
+?>
+<svg xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none" version="1.0" width="100%" height="100%">
+<defs>
+  <linearGradient id="LG1" <?php echo $gradient_coords; ?> spreadMethod="pad">
+    <?php echo $svg_stops; ?>
+  </linearGradient>
+</defs>
+<rect width="100%" height="100%" style="fill:url(#LG1);"/>
+</svg>