/**
* Transforms an Image with some resizing information into an ETag.
*
* @param ImageInterface $image Image
* @param string $height Height
* @param string $width Width
* @param string $type Type of resizing
*
* @return string ETag generated
*/
public function transform(ImageInterface $image, $height, $width, $type)
{
return sha1($image->getId() . '.' . $image->getUpdatedAt()->getTimestamp() . '.' . $height . '.' . $width . '.' . $type);
}
/**
* Return route of image
*
* @param ImageInterface $imageMedia Imagemedia element
* @param bool $absoluteUrl If the url generated shoud be absolute
*
* @return string image route
*/
public function viewImage(ImageInterface $imageMedia, $absoluteUrl = false)
{
$this->prepareRouterContext();
$routeReferenceType = $this->getReferenceType($absoluteUrl);
$generatedRoute = $this->router->generate($this->imageViewControllerRouteName, ['id' => (int) $imageMedia->getId(), '_format' => $imageMedia->getExtension()], $routeReferenceType);
$this->fixRouterContext();
return $generatedRoute;
}
/**
* Return route of image
*
* @param ImageInterface $imageMedia Imagemedia element
*
* @return string image route
*/
public function viewImage(ImageInterface $imageMedia)
{
return $this->router->generate($this->imageViewControllerRouteName, array('id' => (int) $imageMedia->getId()), true);
}