public ImageEffectBase::transformDimensions(array &$dimensions

public Image::createNew($width, $height, $extension = 'png', $transparent_color = '#ffffff')

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

public ImageStyleListBuilder::render()

public DenyPrivateImageStyle

Controller for image style edit form. Hierarchy class \Drupal\Core\Form\

public ImageStyleFlushForm::getDescription()

public ImageStyleDeleteForm::submitForm(array &$form

public ImageStyleEditForm::save(array $form, FormStateInterface

public ImageEffectBase::__construct(array $configuration, $plugin_id