/**
* @service
* @anonym
*
* @param $name
*/
public function getImage(Gpf_Rpc_Params $params)
{
$form = new Gpf_Rpc_Form($params);
$lenght = self::TEXT_LENGTH;
if (strlen($form->getFieldValue('length'))) {
$lenght = $form->getFieldValue('length');
}
$text = $this->generateText($lenght);
Gpf_Session::getInstance()->setVar(self::SESSION_PREFIX . $form->getFieldValue('name'), $text);
$captchaGenerator = new Gpf_Common_Captcha_ImageGenerator($text);
$height = 50;
$width = self::TEXT_LENGTH * 30;
if (strlen($params->get('height'))) {
$height = $params->get('height');
}
if (strlen($params->get('width'))) {
$height = $params->get('width');
}
$captchaGenerator->setSize($width, $height);
return $captchaGenerator;
}
private static function loadFonts()
{
if (self::$fonts !== null) {
return;
}
$directory = dirname(__FILE__) . '/font/';
self::$fonts = array();
foreach (new Gpf_Io_DirectoryIterator($directory, '.ttf') as $fullName => $file) {
self::$fonts[$fullName] = $fullName;
}
}
