themes/svg_gradient.php

   1 <?php
   2 /**
   3  * Theme based generator for SVG gradient.
   4  *
   5  * @package PhpMyAdmin-theme
   6  */
   7 header('Content-Type: image/svg+xml');
   8 header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');
   9
  10 function get_color($get_name, $default)
  11 {
  12     // get color from GET args, only alphanumeric chcracters
  13     $opts = array('options' => array('regexp' => '/^[a-z0-9]+$/i'));
  14     $color = filter_input(INPUT_GET, $get_name, FILTER_VALIDATE_REGEXP, $opts);
  15     if (preg_match('/^[a-f0-9]{6}$/', $color)) {
  16         return '#' . $color;
  17     }
  18     return $color ? $color : $default;
  19 }
  20 ?>
  21 <?php echo '<?xml version="1.0" ?>' ?>
  22 <svg xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none" version="1.0" width="100%" height="100%">
  23     <defs>
  24         <linearGradient id="linear-gradient" x1="0%" y1="0%" x2="0%" y2="100%">
  25             <stop offset="0%" stop-color="<?php echo get_color('from', 'white') ?>" stop-opacity="1" />
  26             <stop offset="100%" stop-color="<?php echo get_color('to', 'black') ?>" stop-opacity="1" />
  27         </linearGradient>
  28     </defs>
  29     <rect width="100%" height="100%" style="fill:url(#linear-gradient);" />
  30 </svg>