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diff --git a/web/core/modules/image/src/Form/ImageEffectAddForm.php b/web/core/modules/image/src/Form/ImageEffectAddForm.php
new file mode 100644
index 000000000..ce304511b
--- /dev/null
+++ b/web/core/modules/image/src/Form/ImageEffectAddForm.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace Drupal\image\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\image\ImageEffectManager;
+use Drupal\image\ImageStyleInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides an add form for image effects.
+ */
+class ImageEffectAddForm extends ImageEffectFormBase {
+
+  /**
+   * The image effect manager.
+   *
+   * @var \Drupal\image\ImageEffectManager
+   */
+  protected $effectManager;
+
+  /**
+   * Constructs a new ImageEffectAddForm.
+   *
+   * @param \Drupal\image\ImageEffectManager $effect_manager
+   *   The image effect manager.
+   */
+  public function __construct(ImageEffectManager $effect_manager) {
+    $this->effectManager = $effect_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('plugin.manager.image.effect')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, ImageStyleInterface $image_style = NULL, $image_effect = NULL) {
+    $form = parent::buildForm($form, $form_state, $image_style, $image_effect);
+
+    $form['#title'] = $this->t('Add %label effect', ['%label' => $this->imageEffect->label()]);
+    $form['actions']['submit']['#value'] = $this->t('Add effect');
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function prepareImageEffect($image_effect) {
+    $image_effect = $this->effectManager->createInstance($image_effect);
+    // Set the initial weight so this effect comes last.
+    $image_effect->setWeight(count($this->imageStyle->getEffects()));
+    return $image_effect;
+  }
+
+}