public function newImage(NHttpUploadedFile &$image, $size)
 {
     if ($image->isOk()) {
         $fileName = rand(0, 9999) . '-' . NString::webalize($image->getName(), '.');
         $filePath = WWW_DIR . "/data/" . $fileName;
         $image = NImage::fromFile($image->getTemporaryFile())->resize($size[0], $size[1]);
         //$image->sharpen();
         $image->save($filePath, 90);
         $image = $fileName;
         return TRUE;
     } else {
         return FALSE;
     }
 }