/**
* {@inheritDoc}
*/
public function getCacheEntryIdentifier()
{
$this->__initializer__ && $this->__initializer__->__invoke($this, 'getCacheEntryIdentifier', array());
return parent::getCacheEntryIdentifier();
}
/**
* Get the size of a Flow Resource object that contains an image file.
*
* @param FlowResource $resource
* @return array width and height as keys
* @throws ImageFileException
*/
public function getImageSize(FlowResource $resource)
{
$cacheIdentifier = $resource->getCacheEntryIdentifier();
$imageSize = $this->imageSizeCache->get($cacheIdentifier);
if ($imageSize !== false) {
return $imageSize;
}
// TODO: Special handling for SVG should be refactored at a later point.
if ($resource->getMediaType() === 'image/svg+xml') {
$imageSize = ['width' => null, 'height' => null];
} else {
try {
$imagineImage = $this->imagineService->read($resource->getStream());
$sizeBox = $imagineImage->getSize();
$imageSize = array('width' => $sizeBox->getWidth(), 'height' => $sizeBox->getHeight());
} catch (\Exception $e) {
throw new ImageFileException(sprintf('The given resource was not an image file your choosen driver can open. The original error was: %s', $e->getMessage()), 1336662898);
}
}
$this->imageSizeCache->set($cacheIdentifier, $imageSize);
return $imageSize;
}
