/**
* Verifies that the image's info can be read correctly.
* If the src image fails, it tries the error image as the fallback.
*
* @param Transaction $transaction
*
* @throws RuntimeException If both src and error images fail to be read.
*/
protected function verifyInfo(Transaction $transaction)
{
try {
$transaction->getSrcImage()->getInfo();
return;
} catch (IOException $e) {
}
$transaction->setSrcImage($transaction->getErrorImage());
try {
$transaction->getSrcImage()->getInfo();
} catch (IOException $e) {
throw new RuntimeException('There was an error with the thumbnail image requested and additionally the fallback image could not be displayed.', 1, $e);
}
}
