template_preprocess_image_style_preview(&$variables) Prepares variables for image style preview templates

template_preprocess_image_widget(&$variables) Prepares variables for image widget templates.

public ImageStyleInterface::createDerivative($original_uri

public ImageStyleInterface::getName()

public ImageFactory::setToolkitId($toolkit_id) Sets

public ImageStyle::buildUrl($path, $clean_urls = NULL)

public ImageStyle::postSave(EntityStorageInterface $storage, $update

public ImageStyle::buildUri($uri) Returns

public ImageInterface::createNew($width, $height, $extension = 'png'

public ImageStyleDeleteForm::form(array $form, FormStateInterface