/**
* {@inheritdoc}
*/
public function getSize()
{
try {
$i = $this->gmagick->getimageindex();
$this->gmagick->setimageindex(0);
//rewind
$width = $this->gmagick->getimagewidth();
$height = $this->gmagick->getimageheight();
$this->gmagick->setimageindex($i);
} catch (\GmagickException $e) {
throw new RuntimeException('Get size operation failed', $e->getCode(), $e);
}
return new Box($width, $height);
}