gistfile1.txt

<?php

try {
	$imageSize = getimagesize('resource://' . $this->resource->getResourcePointer()->getHash());
	if ($imageSize === FALSE) {
		throw new \TYPO3\Media\Exception('The given resource was not a valid image file');
	}
	$this->width = (integer)$imageSize[0];
	$this->height = (integer)$imageSize[1];
	$this->type = (integer)$imageSize[2];
} catch(\TYPO3\Media\Domain\Model\Exception\InvalidImageContentException $exception) {
	throw new \TYPO3\Media\Exception($exception->getMessage(), $exception->getCode());
}


?>