<?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. * * $Id$ */ 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'])); $last = count($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" x1="0%" y1="0%" x2="0%" y2="100%" spreadMethod="pad"> <?php echo $svg_stops; ?> </linearGradient> </defs> <rect width="100%" height="100%" style="fill:url(#LG1);"/> </svg>