/**
* Shows a monster id avatar.
*
* @param array eventdata the data given by the event
*
* @return boolean true, if Avatar was found and added to the comment buffer
*/
function fetchMonster(&$eventData)
{
require_once dirname(__FILE__) . '/monsterid/monsterid.php';
$seed = md5($eventData['author']) . $eventData['email_md5'] . md5($eventData['url']);
$default = $this->getDefaultImageConfiguration();
$size = $default['size'];
// Save monster image
@mkdir($this->getCacheDirectory());
$cache_file = $this->getCacheFilePath($eventData);
$this->log("Caching monster avatar: " . $cache_file);
if (build_monster($cache_file, $seed, $size)) {
$this->log("Success caching monster.");
$this->avatarConfiguration['mime-type'] = "image/png";
$this->show($cache_file);
} else {
if ($this->supportDefaultAvatar()) {
$this->fetchDefault();
}
}
return true;
}
<?php
/**
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <*****@*****.**>
*/
build_monster($_REQUEST['seed'], $_REQUEST['size']);
/**
* Generates a monster for the given seed
* GDlib is required!
*/
function build_monster($seed = '', $size = '')
{
// create 16 byte hash from seed
$hash = md5($seed);
// calculate part values from seed
$parts = array('legs' => _get_monster_part(substr($hash, 0, 2), 1, 5), 'hair' => _get_monster_part(substr($hash, 2, 2), 1, 5), 'arms' => _get_monster_part(substr($hash, 4, 2), 1, 5), 'body' => _get_monster_part(substr($hash, 6, 2), 1, 15), 'eyes' => _get_monster_part(substr($hash, 8, 2), 1, 15), 'mouth' => _get_monster_part(substr($hash, 10, 2), 1, 10));
// create background
$monster = @imagecreatetruecolor(120, 120) or die("GD image create failed");
$white = imagecolorallocate($monster, 255, 255, 255);
imagefill($monster, 0, 0, $white);
// add parts
foreach ($parts as $part => $num) {
$file = dirname(__FILE__) . '/parts/' . $part . '_' . $num . '.png';
$im = @imagecreatefrompng($file);
if (!$im) {
die('Failed to load ' . $file);
}
imageSaveAlpha($im, true);
imagecopy($monster, $im, 0, 0, 0, 0, 120, 120);
imagedestroy($im);
