| commit | author | age | ||
| d5fedc | 1 | <?php |
| T | 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 | ||
| 2c0d03 | 14 | ini_set('error_reporting', E_ALL &~ (E_NOTICE | E_STRICT)); |
| AM | 15 | |
| d5fedc | 16 | header('Content-Type: image/svg+xml'); |
| T | 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'])); | |
| be72a0 | 23 | $gradient_coords = !empty($_GET['h']) ? 'x1="0%" y1="0%" x2="100%" y2="0%"' : 'x1="0%" y1="0%" x2="0%" y2="100%"'; |
| d5fedc | 24 | $last = count($color_stops) - 1; |
| T | 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> | |
| be72a0 | 38 | <linearGradient id="LG1" <?php echo $gradient_coords; ?> spreadMethod="pad"> |
| d5fedc | 39 | <?php echo $svg_stops; ?> |
| T | 40 | </linearGradient> |
| 41 | </defs> | |
| 42 | <rect width="100%" height="100%" style="fill:url(#LG1);"/> | |
| 43 | </svg> | |
