/**
* Generates the HTML code of the captcha question.
*
* @return string
* @author Reinhard Führicht <*****@*****.**>
*/
public function getCaptcha()
{
require_once t3lib_extMgm::extPath('mathguard') . 'res/ClassMathGuard.php';
$conf = $GLOBALS['TSFE']->tmpl->setup['plugin.']['tx_mathguard.'];
//Set question string
if ($conf['question']) {
$question = $conf['question'];
} else {
$langFile = t3lib_extMgm::extPath('mathguard') . 'res/locallang.xml';
$question = trim($GLOBALS['TSFE']->sL('LLL:' . $langFile . ':mathguard_question'));
}
//Set color of output
if ($conf['color']) {
$color = $conf['color'];
} else {
$color = 'red';
}
return MathGuard::returnQuestion($question, $color);
}
