function RotateImageEffect::validateConfigurationForm

Overrides ConfigurableImageEffectBase::validateConfigurationForm

File

core/modules/image/src/Plugin/ImageEffect/RotateImageEffect.php, line 117

Class

RotateImageEffect

Rotates an image resource.

Namespace

Code

public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
  if (!$form_state->isValueEmpty('bgcolor') && !Color::validateHex($form_state->getValue('bgcolor'))) {
    $form_state->setErrorByName('bgcolor', $this->t('Background color must be a hexadecimal color value.'));
  }
}