public function directCustomImageCallable(PageInfo $pageInfo, RouteParams $routeInfo, \Auryn\Injector $injector, $params)
{
App::setupCategoryExample($routeInfo);
$imageFunction = CategoryInfo::getCustomImageFunctionName($pageInfo);
global $imageType;
ob_start();
$injector->execute($imageFunction);
if ($imageType == null) {
ob_end_clean();
throw new \Exception("imageType not set, can't cache image correctly.");
}
$imageData = ob_get_contents();
ob_end_clean();
$simpleNameWithExtension = $pageInfo->getSimpleName($params) . '.' . $imageType;
return new BlobBody($simpleNameWithExtension, $imageData, "image/" . $imageType);
}
