public ImageInterface::apply($operation, array $arguments = array())

public ImageEffectBase::getDerivativeExtension($extension)

public ImageStyleInterface::transformDimensions(array &$dimensions

public ImageFactory::__construct(ImageToolkitManager $toolkit_manager)

Controller for image style addition forms. Hierarchy class \Drupal\Core\Form\

public ImageInterface::desaturate() Converts

Default theme implementation to display a preview of an image style. Available variables: style_id:

protected ImageStyle::fileUriScheme($uri)

public ImageStyleEditForm::effectValidate($form, FormStateInterface

public ImageInterface::getToolkitId() Returns