diff --git a/core/modules/image/image.admin.inc b/core/modules/image/image.admin.inc
index df68065..89c26a0 100644
--- a/core/modules/image/image.admin.inc
+++ b/core/modules/image/image.admin.inc
@@ -24,239 +24,18 @@ function image_style_list() {
 }
 
 /**
- * Form builder; Edit an image style name and effects order.
+ * Form builder; Add and Edit an image style name and effects order.
  *
- * @param $form_state
- *   An associative array containing the current state of the form.
- * @param $style
- *   An image style array.
- * @ingroup forms
- * @see image_style_form_submit()
+ * @param optional $image_style
+ *   An image style entity.
  */
-function image_style_form($form, &$form_state, $style) {
-  $title = t('Edit style %name', array('%name' => $style->label()));
-  drupal_set_title($title, PASS_THROUGH);
-
-  $form_state['image_style'] = $style;
-  $form['#tree'] = TRUE;
-  $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array();
-
-  // Show the thumbnail preview.
-  $form['preview'] = array(
-    '#type' => 'item',
-    '#title' => t('Preview'),
-    '#markup' => theme('image_style_preview', array('style' => $style)),
-  );
-
-  $form['label'] = array(
-    '#type' => 'textfield',
-    '#title' => t('Administrative label'),
-    '#default_value' => $style->label(),
-    '#required' => TRUE,
-  );
-  $form['name'] = array(
-    '#type' => 'machine_name',
-    '#default_value' => $style->id(),
-    '#machine_name' => array(
-      'exists' => 'image_style_load',
-    ),
-    '#required' => TRUE,
-  );
-
-  // Build the list of existing image effects for this image style.
-  $form['effects'] = array(
-    '#theme' => 'image_style_effects',
-  );
-  if (!empty($style->effects)) {
-    foreach ($style->effects as $key => $effect) {
-      $form['effects'][$key]['#weight'] = isset($form_state['input']['effects']) ? $form_state['input']['effects'][$key]['weight'] : NULL;
-      $form['effects'][$key]['label'] = array(
-        '#markup' => check_plain($effect['label']),
-      );
-      $form['effects'][$key]['summary'] = array(
-        '#markup' => isset($effect['summary theme']) ? theme($effect['summary theme'], array('data' => $effect['data'])) : '',
-      );
-      $form['effects'][$key]['weight'] = array(
-        '#type' => 'weight',
-        '#title' => t('Weight for @title', array('@title' => $effect['label'])),
-        '#title_display' => 'invisible',
-        '#default_value' => $effect['weight'],
-      );
-
-      $links = array();
-      if (isset($effect['form callback'])) {
-        $links['edit'] = array(
-          'title' => t('edit'),
-          'href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key,
-        );
-      }
-      $links['delete'] = array(
-        'title' => t('delete'),
-        'href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key . '/delete',
-      );
-      $form['effects'][$key]['operations'] = array(
-        '#type' => 'operations',
-        '#links' => $links,
-      );
-      $form['effects'][$key]['configure'] = array(
-        '#type' => 'link',
-        '#title' => t('edit'),
-        '#href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key,
-        '#access' => isset($effect['form callback']),
-      );
-      $form['effects'][$key]['remove'] = array(
-        '#type' => 'link',
-        '#title' => t('delete'),
-        '#href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key . '/delete',
-      );
-    }
-  }
-
-  // Build the new image effect addition form and add it to the effect list.
-  $new_effect_options = array();
-  foreach (image_effect_definitions() as $effect => $definition) {
-    $new_effect_options[$effect] = $definition['label'];
-  }
-  $form['effects']['new'] = array(
-    '#tree' => FALSE,
-    '#weight' => isset($form_state['input']['weight']) ? $form_state['input']['weight'] : NULL,
-  );
-  $form['effects']['new']['new'] = array(
-    '#type' => 'select',
-    '#title' => t('Effect'),
-    '#title_display' => 'invisible',
-    '#options' => $new_effect_options,
-    '#empty_option' => t('Select a new effect'),
-  );
-  $form['effects']['new']['weight'] = array(
-    '#type' => 'weight',
-    '#title' => t('Weight for new effect'),
-    '#title_display' => 'invisible',
-    '#default_value' => count($form['effects']) - 1,
-  );
-  $form['effects']['new']['add'] = array(
-    '#type' => 'submit',
-    '#value' => t('Add'),
-    '#validate' => array('image_style_form_add_validate'),
-    '#submit' => array('image_style_form_submit', 'image_style_form_add_submit'),
-  );
+function image_style_form($image_style = NULL) {
 
-  // Show the Override or Submit button for this style.
-  $form['actions'] = array('#type' => 'actions');
-  $form['actions']['submit'] = array(
-    '#type' => 'submit',
-    '#value' => t('Update style'),
-  );
-
-  return $form;
-}
-
-/**
- * Validate handler for adding a new image effect to an image style.
- */
-function image_style_form_add_validate($form, &$form_state) {
-  if (!$form_state['values']['new']) {
-    form_error($form['effects']['new']['new'], t('Select an effect to add.'));
+  if (!$image_style) {
+    $image_style = entity_create('image_style', array());
   }
-}
 
-/**
- * Submit handler for adding a new image effect to an image style.
- */
-function image_style_form_add_submit($form, &$form_state) {
-  $style = $form_state['image_style'];
-  // Check if this field has any configuration options.
-  $effect = image_effect_definition_load($form_state['values']['new']);
-
-  // Load the configuration form for this option.
-  if (isset($effect['form callback'])) {
-    $path = 'admin/config/media/image-styles/manage/' . $style->id() . '/add/' . $form_state['values']['new'];
-    $form_state['redirect'] = array($path, array('query' => array('weight' => $form_state['values']['weight'])));
-  }
-  // If there's no form, immediately add the image effect.
-  else {
-    $effect = array(
-      'name' => $effect['name'],
-      'data' => array(),
-      'weight' => $form_state['values']['weight'],
-    );
-    image_effect_save($style, $effect);
-    drupal_set_message(t('The image effect was successfully applied.'));
-  }
-}
-
-/**
- * Submit handler for saving an image style.
- */
-function image_style_form_submit($form, &$form_state) {
-  $style = $form_state['image_style'];
-
-  // Update image effect weights.
-  if (!empty($form_state['values']['effects'])) {
-    foreach ($form_state['values']['effects'] as $ieid => $effect_data) {
-      if (isset($style->effects[$ieid])) {
-        $effect = array(
-          'name' => $style->effects[$ieid]['name'],
-          'data' => $style->effects[$ieid]['data'],
-          'weight' => $effect_data['weight'],
-          'ieid' => $ieid,
-        );
-        $style->effects[$ieid] = $effect;
-      }
-    }
-  }
-
-  $style->set('name', $form_state['values']['name']);
-  $style->set('label', $form_state['values']['label']);
-  $status = $style->save();
-
-  if ($status == SAVED_UPDATED) {
-    drupal_set_message(t('Changes to the style have been saved.'));
-  }
-  $form_state['redirect'] = 'admin/config/media/image-styles/manage/' . $style->id();
-}
-
-/**
- * Form builder; Form for adding a new image style.
- *
- * @ingroup forms
- * @see image_style_add_form_submit()
- */
-function image_style_add_form($form, &$form_state) {
-  $form['label'] = array(
-    '#type' => 'textfield',
-    '#title' => t('Administrative label'),
-    '#default_value' => '',
-    '#required' => TRUE,
-  );
-  $form['name'] = array(
-    '#type' => 'machine_name',
-    '#machine_name' => array(
-      'exists' => 'image_style_load',
-    ),
-    '#default_value' => '',
-    '#required' => TRUE,
-  );
-
-  $form['submit'] = array(
-    '#type' => 'submit',
-    '#value' => t('Create new style'),
-  );
-
-  return $form;
-}
-
-/**
- * Submit handler for adding a new image style.
- */
-function image_style_add_form_submit($form, &$form_state) {
-  $style = entity_create('image_style', array(
-    'name' => $form_state['values']['name'],
-    'label' => $form_state['values']['label'],
-  ));
-  $style->save();
-  drupal_set_message(t('Style %name was created.', array('%name' => $style->label())));
-  $form_state['redirect'] = 'admin/config/media/image-styles/manage/' . $style->id();
+  return entity_get_form($image_style);
 }
 
 /**
diff --git a/core/modules/image/image.module b/core/modules/image/image.module
index d7b02d0..9421d96 100644
--- a/core/modules/image/image.module
+++ b/core/modules/image/image.module
@@ -126,8 +126,7 @@ function image_menu() {
   $items['admin/config/media/image-styles/add'] = array(
     'title' => 'Add style',
     'description' => 'Add a new image style.',
-    'page callback' => 'drupal_get_form',
-    'page arguments' => array('image_style_add_form'),
+    'page callback' => 'image_style_form',
     'access arguments' => array('administer image styles'),
     'type' => MENU_LOCAL_ACTION,
     'weight' => 2,
@@ -138,8 +137,8 @@ function image_menu() {
     'title callback' => 'entity_page_label',
     'title arguments' => array(5),
     'description' => 'Configure an image style.',
-    'page callback' => 'drupal_get_form',
-    'page arguments' => array('image_style_form', 5),
+    'page callback' => 'image_style_form',
+    'page arguments' => array(5),
     'access arguments' => array('administer image styles'),
     'file' => 'image.admin.inc',
   );
diff --git a/core/modules/image/lib/Drupal/image/ImageStyleFormController.php b/core/modules/image/lib/Drupal/image/ImageStyleFormController.php
new file mode 100644
index 0000000..bd26105
--- /dev/null
+++ b/core/modules/image/lib/Drupal/image/ImageStyleFormController.php
@@ -0,0 +1,235 @@
+<?php
+
+/**
+ * @file
+ * Definition of \Drupal\image\ImageStyleFormController.
+ */
+
+namespace Drupal\image;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityFormController;
+
+/**
+ * Base form controller for image style edit forms.
+ */
+class ImageStyleFormController extends EntityFormController {
+
+  /**
+   * Overrides \Drupal\Core\Entity\EntityFormController::form().
+   */
+  public function form(array $form, array &$form_state, EntityInterface $style) {
+    $form = parent::form($form, $form_state, $style);
+
+    $form['label'] = array(
+      '#type' => 'textfield',
+      '#title' => $style->IsNew() ? t('Administrative label') : t('Image style name'),
+      '#default_value' => $style->label,
+      '#required' => TRUE,
+      '#weight' => 20,
+    );
+    $form['name'] = array(
+      '#type' => 'machine_name',
+      '#machine_name' => array(
+        'exists' => 'image_style_load',
+      ),
+      '#default_value' => $style->name,
+      '#required' => TRUE,
+      '#weight' => 30,
+    );
+
+    if (!$style->IsNew()) {
+
+      $form_state['image_style'] = $style;
+      $form['#tree'] = TRUE;
+      $form['#attached']['css'][drupal_get_path('module', 'image') . '/image.admin.css'] = array();
+
+      // Show the thumbnail preview.
+      $form['preview'] = array(
+        '#type' => 'item',
+        '#title' => t('Preview'),
+        '#markup' => theme('image_style_preview', array('style' => $style)),
+        '#weight' => 10,
+      );
+
+      // Build the list of existing image effects for this image style.
+      $form['effects'] = array(
+        '#theme' => 'image_style_effects',
+        '#weight' => 40,
+      );
+
+      if (!empty($style->effects)) {
+        foreach ($style->effects as $key => $effect) {
+          $form['effects'][$key]['#weight'] = isset($form_state['input']['effects']) ? $form_state['input']['effects'][$key]['weight'] : NULL;
+          $form['effects'][$key]['label'] = array(
+            '#markup' => check_plain($effect['label']),
+          );
+          $form['effects'][$key]['name'] = array(
+            '#type' => 'value',
+            '#value' => $effect['name'],
+          );
+          $form['effects'][$key]['data'] = array(
+            '#type' => 'value',
+            '#value' => $effect['data'],
+          );
+          $form['effects'][$key]['summary'] = array(
+            '#markup' => isset($effect['summary theme']) ? theme($effect['summary theme'], array('data' => $effect['data'])) : '',
+          );
+          $form['effects'][$key]['weight'] = array(
+            '#type' => 'weight',
+            '#title' => t('Weight for @title', array('@title' => $effect['label'])),
+            '#title_display' => 'invisible',
+            '#default_value' => $effect['weight'],
+          );
+
+          $links = array();
+          if (isset($effect['form callback'])) {
+            $links['edit'] = array(
+              'title' => t('edit'),
+              'href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key,
+            );
+          }
+          $links['delete'] = array(
+            'title' => t('delete'),
+            'href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key . '/delete',
+          );
+          $form['effects'][$key]['operations'] = array(
+            '#type' => 'operations',
+            '#links' => $links,
+          );
+          $form['effects'][$key]['configure'] = array(
+            '#type' => 'link',
+            '#title' => t('edit'),
+            '#href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key,
+            '#access' => isset($effect['form callback']),
+          );
+          $form['effects'][$key]['remove'] = array(
+            '#type' => 'link',
+            '#title' => t('delete'),
+            '#href' => 'admin/config/media/image-styles/manage/' . $style->id() . '/effects/' . $key . '/delete',
+          );
+        }
+      }
+
+      // Build the new image effect addition form and add it to the effect list.
+      $new_effect_options = array();
+      foreach (image_effect_definitions() as $effect => $definition) {
+        $new_effect_options[$effect] = $definition['label'];
+      }
+      $form['effects']['new'] = array(
+        '#tree' => FALSE,
+        '#weight' => isset($form_state['input']['weight']) ? $form_state['input']['weight'] : NULL,
+      );
+      $form['effects']['new']['new'] = array(
+        '#type' => 'select',
+        '#title' => t('Effect'),
+        '#title_display' => 'invisible',
+        '#options' => $new_effect_options,
+        '#empty_option' => t('Select a new effect'),
+      );
+      $form['effects']['new']['weight'] = array(
+        '#type' => 'weight',
+        '#title' => t('Weight for new effect'),
+        '#title_display' => 'invisible',
+        '#default_value' => count($form['effects']) - 1,
+      );
+      $form['effects']['new']['add'] = array(
+        '#type' => 'submit',
+        '#value' => t('Add'),
+        '#validate' => array(array($this, 'effectValidate')),
+        '#submit' => array(array($this, 'effectSave')),
+      );
+
+    }
+
+    return $form;
+  }
+
+  /**
+   * Validate handler.
+   */
+  public function effectValidate($form, &$form_state) {
+    if (!$form_state['values']['new']) {
+      form_error($form['effects']['new']['new'], t('Select an effect to add.'));
+    }
+  }
+
+  /**
+   * Submit handler.
+   */
+  public function effectSave($form, &$form_state) {
+    $style = $this->getEntity($form_state);
+
+    // Update image effect weights.
+    if (!empty($form_state['values']['effects'])) {
+      foreach ($form_state['values']['effects'] as $ieid => $effect_data) {
+        if (isset($style->effects[$ieid])) {
+          $effect = array(
+            'name' => $style->effects[$ieid]['name'],
+            'data' => $style->effects[$ieid]['data'],
+            'weight' => $effect_data['weight'],
+            'ieid' => $ieid,
+          );
+          $style->effects[$ieid] = $effect;
+        }
+      }
+    }
+
+    // Check if this field has any configuration options.
+    $effect = image_effect_definition_load($form_state['values']['new']);
+
+    // Load the configuration form for this option.
+    if (isset($effect['form callback'])) {
+      $path = 'admin/config/media/image-styles/manage/' . $style->id() . '/add/' . $form_state['values']['new'];
+      $form_state['redirect'] = array($path, array('query' => array('weight' => $form_state['values']['weight'])));
+    }
+    // If there's no form, immediately add the image effect.
+    else {
+      $effect = array(
+        'name' => $effect['name'],
+        'data' => array(),
+        'weight' => $form_state['values']['weight'],
+      );
+      image_effect_save($style, $effect);
+      drupal_set_message(t('The image effect was successfully applied.'));
+    }
+  }
+
+  /**
+   * Overrides \Drupal\Core\Entity\EntityFormController::save().
+   */
+  public function save(array $form, array &$form_state) {
+    $style = $this->getEntity($form_state);
+    $style->set('id', $form_state['values']['name']);
+
+    $status = $style->save();
+
+    if ($status == SAVED_UPDATED) {
+      drupal_set_message(t('Changes to the style have been saved.'));
+    }
+    else {
+      drupal_set_message(t('Style %label was created.', array('%label' => $style->label)));
+    }
+
+    $form_state['redirect'] = 'admin/config/media/image-styles/manage/' . $style->id();
+  }
+
+  /**
+   * Returns an array of supported actions for the current entity form.
+   */
+  public function actions(array $form, array &$form_state) {
+    $actions = parent::actions($form, $form_state);
+
+    if ($this->getEntity($form_state)->IsNew()) {
+      $actions['submit']['#value'] = t('Create new style');
+    }
+    else {
+      $actions['submit']['#value'] = t('Update style');
+    }
+
+    unset($actions['delete']);
+
+    return $actions;
+  }
+
+}
diff --git a/core/modules/image/lib/Drupal/image/Plugin/Core/Entity/ImageStyle.php b/core/modules/image/lib/Drupal/image/Plugin/Core/Entity/ImageStyle.php
index d820050..93c36b9 100644
--- a/core/modules/image/lib/Drupal/image/Plugin/Core/Entity/ImageStyle.php
+++ b/core/modules/image/lib/Drupal/image/Plugin/Core/Entity/ImageStyle.php
@@ -19,6 +19,9 @@
  *   label = @Translation("Image style"),
  *   module = "image",
  *   controller_class = "Drupal\image\ImageStyleStorageController",
+ *   form_controller_class = {
+ *     "default" = "Drupal\image\ImageStyleFormController"
+ *   },
  *   uri_callback = "image_style_entity_uri",
  *   config_prefix = "image.style",
  *   entity_keys = {