PHP Entity\ImageStyle类代码示例

 /**
  * {@inheritdoc}
  */
 public function viewElements(FieldItemListInterface $items, $langcode)
 {
     $elements = [];
     $thumb_image_style = $this->getSetting('thumbnail_image_style');
     $popup_image_style = $this->getSetting('popup_image_style');
     $gallery_type = $this->getSetting('gallery_type');
     $files = $this->getEntitiesToView($items, $langcode);
     foreach ($files as $delta => $file) {
         $image_uri = $file->getFileUri();
         $popup_image_path = !empty($popup_image_style) ? ImageStyle::load($popup_image_style)->buildUrl($image_uri) : $image_uri;
         // Depending on the outcome of https://www.drupal.org/node/2622586,
         // Either a class will need to be added to the $url object,
         // Or a custom theme function might be needed to do so.
         // For the time being, 'a' is used as the delegate in magnific-popup.js.
         $url = Url::fromUri(file_create_url($popup_image_path));
         $item = $file->_referringItem;
         $item_attributes = $file->_attributes;
         unset($file->_attributes);
         $item_attributes['class'][] = 'mfp-thumbnail';
         if ($gallery_type === 'first_item' && $delta > 0) {
             $elements[$delta] = ['#theme' => 'image_formatter', '#url' => $url, '#attached' => ['library' => ['magnific_popup/magnific_popup']]];
         } else {
             $elements[$delta] = ['#theme' => 'image_formatter', '#item' => $item, '#item_attributes' => $item_attributes, '#image_style' => $thumb_image_style, '#url' => $url, '#attached' => ['library' => ['magnific_popup/magnific_popup']]];
         }
     }
     return $elements;
 }

 /**
  * {@inheritdoc}
  */
 public function transformDimensions(array &$dimensions, $uri)
 {
     if (!isset($dimensions['width']) || !isset($dimensions['height'])) {
         // We cannot know which preset would be executed and thus cannot know the
         // resulting dimensions, unless both styles return the same dimensions:
         $landscape_dimensions = $portrait_dimensions = $dimensions;
         /* @var ImageStyle $landscape_style */
         $landscape_style = ImageStyle::load($this->configuration['landscape']);
         $landscape_style->transformDimensions($landscape_dimensions, $uri);
         /* @var ImageStyle $portrait_style */
         $portrait_style = ImageStyle::load($this->configuration['portrait']);
         $portrait_style->transformDimensions($portrait_dimensions, $uri);
         if ($landscape_dimensions == $portrait_dimensions) {
             $dimensions = $landscape_dimensions;
         } else {
             $dimensions['width'] = $dimensions['height'] = NULL;
         }
     } else {
         $ratio_adjustment = isset($this->configuration['ratio_adjustment']) ? floatval($this->configuration['ratio_adjustment']) : 1;
         $aspect = $dimensions['width'] / $dimensions['height'];
         $style_name = $aspect * $ratio_adjustment > 1 ? $this->configuration['landscape'] : $this->configuration['portrait'];
         /* @var ImageStyle $style */
         $style = ImageStyle::load($style_name);
         $style->transformDimensions($dimensions, $uri);
     }
 }

 /**
  * Auto Orientation operations test.
  */
 public function doTestAutoOrientOperations()
 {
     $image_factory = $this->container->get('image.factory');
     $test_data = [['test_file' => drupal_get_path('module', 'image_effects') . '/misc/portrait-painting.jpg', 'original_width' => 640, 'original_height' => 480, 'derivative_width' => 200, 'derivative_height' => 267], ['test_file' => drupal_get_path('module', 'simpletest') . '/files/image-test.jpg', 'original_width' => 40, 'original_height' => 20, 'derivative_width' => 200, 'derivative_height' => 100], ['test_file' => drupal_get_path('module', 'simpletest') . '/files/image-1.png', 'original_width' => 360, 'original_height' => 240, 'derivative_width' => 200, 'derivative_height' => 133]];
     foreach ($test_data as $data) {
         // Get expected URIs.
         $original_uri = file_unmanaged_copy($data['test_file'], 'public://', FILE_EXISTS_RENAME);
         $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
         // Test source image dimensions.
         $image = $image_factory->get($original_uri);
         $this->assertEqual($data['original_width'], $image->getWidth());
         $this->assertEqual($data['original_height'], $image->getHeight());
         // Load Image Style and get expected derivative URL.
         $image_style = ImageStyle::load('image_effects_test');
         $url = file_url_transform_relative($image_style->buildUrl($original_uri));
         // Check that ::transformDimensions returns expected dimensions.
         $variables = array('#theme' => 'image_style', '#style_name' => 'image_effects_test', '#uri' => $original_uri, '#width' => $image->getWidth(), '#height' => $image->getHeight());
         $this->assertEqual('<img src="' . $url . '" width="' . $data['derivative_width'] . '" height="' . $data['derivative_height'] . '" alt="" class="image-style-image-effects-test" />', $this->getImageTag($variables));
         // Check that ::applyEffect generates image with expected dimensions.
         $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
         $image = $image_factory->get($generated_uri);
         $this->assertEqual($data['derivative_width'], $image->getWidth());
         $this->assertEqual($data['derivative_height'], $image->getHeight());
     }
 }

 /**
  * {@inheritdoc}
  */
 public function viewElements(FieldItemListInterface $items, $langcode)
 {
     $elements = array();
     $files = $this->getEntitiesToView($items, $langcode);
     // Early opt-out if the field is empty.
     if (empty($files)) {
         return $elements;
     }
     $image_style_setting = $this->getSetting('image_style');
     // Determine if Image style is required.
     $image_style = NULL;
     if (!empty($image_style_setting)) {
         $image_style = entity_load('image_style', $image_style_setting);
     }
     foreach ($files as $delta => $file) {
         $image_uri = $file->getFileUri();
         // Get image style URL
         if ($image_style) {
             $image_uri = ImageStyle::load($image_style->getName())->buildUrl($image_uri);
         } else {
             // Get absolute path for original image
             $image_uri = $file->url();
         }
         $elements[$delta] = array('#markup' => $image_uri);
     }
     return $elements;
 }

 /**
  * Color Shift operations test.
  */
 public function doTestColorshiftOperations()
 {
     $image_factory = $this->container->get('image.factory');
     // Test on the PNG test image.
     $test_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     // Test data.
     $test_data = ['#FF0000' => [$this->red, $this->yellow, $this->transparent, $this->fuchsia], '#00FF00' => [$this->yellow, $this->green, $this->transparent, $this->cyan], '#0000FF' => [$this->fuchsia, $this->cyan, $this->transparent, $this->blue], '#929BEF' => [[255, 155, 239, 0], [146, 255, 239, 0], $this->transparent, [146, 155, 255, 0]]];
     foreach ($test_data as $key => $colors) {
         // Add Color Shift effect to the test image style.
         $effect = ['id' => 'image_effects_color_shift', 'data' => ['RGB][hex' => $key]];
         $uuid = $this->addEffectToTestStyle($effect);
         // Load Image Style.
         $image_style = ImageStyle::load('image_effects_test');
         // Check that ::applyEffect generates image with expected color shift.
         $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
         $image = $image_factory->get($generated_uri, 'gd');
         $this->assertTrue($this->colorsAreEqual($colors[0], $this->getPixelColor($image, 0, 0)));
         $this->assertTrue($this->colorsAreEqual($colors[1], $this->getPixelColor($image, 39, 0)));
         $this->assertTrue($this->colorsAreEqual($colors[2], $this->getPixelColor($image, 0, 19)));
         $this->assertTrue($this->colorsAreEqual($colors[3], $this->getPixelColor($image, 39, 19)));
         // Remove effect.
         $uuid = $this->removeEffectFromTestStyle($uuid);
     }
 }

 /**
  * Tests embedded users on node pages.
  */
 function testPictureOnNodeComment()
 {
     $this->drupalLogin($this->webUser);
     // Save a new picture.
     $image = current($this->drupalGetTestFiles('image'));
     $file = $this->saveUserPicture($image);
     $node = $this->drupalCreateNode(array('type' => 'article'));
     // Enable user pictures on nodes.
     $this->config('system.theme.global')->set('features.node_user_picture', TRUE)->save();
     $image_style_id = $this->config('core.entity_view_display.user.user.compact')->get('content.user_picture.settings.image_style');
     $style = ImageStyle::load($image_style_id);
     $image_url = $style->buildUrl($file->getfileUri());
     $alt_text = 'Profile picture for user ' . $this->webUser->getUsername();
     // Verify that the image is displayed on the node page.
     $this->drupalGet('node/' . $node->id());
     $elements = $this->cssSelect('.node__meta .field--name-user-picture img[alt="' . $alt_text . '"][src="' . $image_url . '"]');
     $this->assertEqual(count($elements), 1, 'User picture with alt text found on node page.');
     // Enable user pictures on comments, instead of nodes.
     $this->config('system.theme.global')->set('features.node_user_picture', FALSE)->set('features.comment_user_picture', TRUE)->save();
     $edit = array('comment_body[0][value]' => $this->randomString());
     $this->drupalPostForm('comment/reply/node/' . $node->id() . '/comment', $edit, t('Save'));
     $elements = $this->cssSelect('.comment__meta .field--name-user-picture img[alt="' . $alt_text . '"][src="' . $image_url . '"]');
     $this->assertEqual(count($elements), 1, 'User picture with alt text found on the comment.');
     // Disable user pictures on comments and nodes.
     $this->config('system.theme.global')->set('features.node_user_picture', FALSE)->set('features.comment_user_picture', FALSE)->save();
     $this->drupalGet('node/' . $node->id());
     $this->assertNoRaw(file_uri_target($file->getFileUri()), 'User picture not found on node and comment.');
 }

 /**
  * {@inheritdoc}
  */
 public function build()
 {
     $query = \Drupal::entityQuery('node')->condition('status', 1)->condition('type', 'team_member')->sort('field_order', 'ASC');
     $nids = $query->execute();
     $nodes = node_load_multiple($nids);
     //$nodes = entity_load_multiple('node', $nids);
     $ind = 1;
     $output = '<div class="tabbable tabs-left tabcordion">
             <ul class="nav nav-tabs">';
     foreach ($nodes as $node) {
         $class = $ind == 1 ? 'active' : '';
         $output .= '<li class="' . $class . '"><a data-target="#team_member_tab' . $ind . '" data-toggle="tab">' . $node->title->value . '<span>' . $node->get('field_designation')->value . '</span></a></li>';
         $ind++;
     }
     $ind = 1;
     $output .= '</ul>
         <div class="tab-content">';
     foreach ($nodes as $node) {
         $class = $ind == 1 ? 'active' : '';
         if (is_object($node->field_image->entity)) {
             $path = $node->field_image->entity->getFileUri();
             $url = ImageStyle::load('person_picture')->buildUrl($path);
             $tab_content_html = '<div class="row"><div class="col-md-3"><img src="' . $url . '" alt=""></div><div class="col-md-9">' . $node->get('body')->value . '</div> </div>';
         } else {
             $tab_content_html = '<div>' . $node->get('body')->value . '</div>';
         }
         $output .= '<div class="tab-pane ' . $class . '" id="team_member_tab' . $ind . '"> ' . $tab_content_html . ' </div>';
         $ind++;
     }
     $output .= '</div>
       </div>';
     return array('#type' => 'markup', '#markup' => $output, '#attached' => array('library' => array('barney_river_utilities/tabcordion', 'barney_river_utilities/tabcordion_hook')));
 }

 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state, $grouping = NULL)
 {
     // Load logo image.
     $rendered_image = NULL;
     if (!empty($grouping->logo_fid)) {
         $file = File::load($grouping->logo_fid);
         if ($file) {
             $logo_url = ImageStyle::load('ea_groupings_200x200')->buildUrl($file->getFileUri());
             $image_array = array('#theme' => 'image', '#uri' => $logo_url, '#alt' => $this->t('Logo for @grouping', array('@grouping' => $grouping->title)), '#title' => $this->t('@grouping', array('@grouping' => $grouping->title)));
             $rendered_image = \Drupal::service('renderer')->render($image_array);
         }
     }
     // Construct form.
     $form = array();
     $form['gid'] = array('#type' => 'value', '#value' => $grouping->gid);
     $form['add'] = array('#type' => 'fieldset', '#description' => $this->t('Update grouping'), '#title' => $this->t('Edit grouping'));
     $form['add']['title'] = array('#type' => 'textfield', '#title' => $this->t('Title'), '#description' => $this->t('Title of grouping'), '#size' => 20, '#maxlength' => 20, '#required' => FALSE, '#default_value' => $grouping->title);
     $form['add']['description'] = array('#type' => 'textarea', '#title' => $this->t('Description'), '#description' => $this->t('A short description of the grouping'), '#required' => FALSE, '#default_value' => $grouping->description);
     $form['add']['logo'] = array('#type' => 'markup', '#markup' => $rendered_image);
     $form['add']['logo_fid'] = array('#title' => $this->t('Update logo'), '#type' => 'managed_file', '#description' => $this->t('Upload a logo for the grouping'), '#default_value' => NULL, '#upload_location' => 'public://logos/');
     $form['add']['time_zone'] = array('#title' => $this->t('Timezone'), '#type' => 'select', '#description' => $this->t('Select a time zone for the grouping'), '#options' => _ea_groupings_get_time_zones(), '#default_value' => $grouping->time_zone);
     $form['add']['parent_gid'] = array('#type' => 'select', '#description' => $this->t('Select a parent grouping'), '#options' => _ea_groupings_get_groupings_list(FALSE, $grouping->gid), '#disabled' => _ea_groupings_is_parent($grouping->gid), '#default_value' => $grouping->parent_gid);
     $form['add']['submit'] = array('#type' => 'submit', '#name' => 'add_group', '#value' => $this->t('Update grouping'), '#weight' => 100);
     $form['add']['old_title'] = array('#type' => 'value', '#value' => $grouping->title);
     $form['add']['old_logo_fid'] = array('#type' => 'value', '#value' => $grouping->logo_fid);
     $form['add']['old_parent_gid'] = array('#type' => 'value', '#value' => $grouping->parent_gid);
     return $form;
 }

 /**
  * Watermark operations test.
  */
 public function doTestWatermarkOperations()
 {
     $image_factory = $this->container->get('image.factory');
     $test_file = drupal_get_path('module', 'simpletest') . '/files/image-1.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     $watermark_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $watermark_uri = file_unmanaged_copy($watermark_file, 'public://', FILE_EXISTS_RENAME);
     $effect = ['id' => 'image_effects_watermark', 'data' => ['placement' => 'left-top', 'x_offset' => 1, 'y_offset' => 1, 'opacity' => 100, 'watermark_image' => $watermark_uri]];
     $uuid = $this->addEffectToTestStyle($effect);
     // Load Image Style.
     $image_style = ImageStyle::load('image_effects_test');
     // Check that ::applyEffect generates image with expected watermark.
     $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
     $image = $image_factory->get($generated_uri, 'gd');
     $watermark = $image_factory->get($watermark_uri, 'gd');
     $this->assertFalse($this->colorsAreEqual($this->getPixelColor($watermark, 0, 0), $this->getPixelColor($image, 0, 0)));
     $this->assertTrue($this->colorsAreEqual($this->getPixelColor($watermark, 0, 0), $this->getPixelColor($image, 1, 1)));
     $this->assertTrue($this->colorsAreEqual($this->getPixelColor($watermark, 0, 1), $this->getPixelColor($image, 1, 2)));
     $this->assertTrue($this->colorsAreEqual($this->getPixelColor($watermark, 0, 3), $this->getPixelColor($image, 1, 4)));
     // Remove effect.
     $this->removeEffectFromTestStyle($uuid);
     // Test for watermark PNG image with full transparency set, 100% opacity
     // watermark.
     $test_file = drupal_get_path('module', 'image_effects') . '/tests/images/fuchsia.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     $watermark_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $watermark_uri = file_unmanaged_copy($watermark_file, 'public://', FILE_EXISTS_RENAME);
     $effect = ['id' => 'image_effects_watermark', 'data' => ['placement' => 'left-top', 'x_offset' => 0, 'y_offset' => 0, 'opacity' => 100, 'watermark_image' => $watermark_uri]];
     $uuid = $this->addEffectToTestStyle($effect);
     // Load Image Style.
     $image_style = ImageStyle::load('image_effects_test');
     // Check that ::applyEffect generates image with expected transparency.
     $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
     $image = $image_factory->get($generated_uri, 'gd');
     $this->assertTrue($this->colorsAreEqual($this->getPixelColor($image, 0, 19), $this->fuchsia));
     // Remove effect.
     $this->removeEffectFromTestStyle($uuid);
     // Test for watermark PNG image with full transparency set, 50% opacity
     // watermark.
     $test_file = drupal_get_path('module', 'image_effects') . '/tests/images/fuchsia.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     $watermark_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $watermark_uri = file_unmanaged_copy($watermark_file, 'public://', FILE_EXISTS_RENAME);
     $effect = ['id' => 'image_effects_watermark', 'data' => ['placement' => 'left-top', 'x_offset' => 0, 'y_offset' => 0, 'opacity' => 50, 'watermark_image' => $watermark_uri]];
     $uuid = $this->addEffectToTestStyle($effect);
     // Load Image Style.
     $image_style = ImageStyle::load('image_effects_test');
     // Check that ::applyEffect generates image with expected alpha.
     $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
     $image = $image_factory->get($generated_uri, 'gd');
     $this->assertTrue($this->colorsAreEqual($this->getPixelColor($image, 0, 19), $this->fuchsia));
     // GD and ImageMagick return slightly different colors, use the
     // ::colorsAreClose method.
     $this->assertTrue($this->colorsAreClose($this->getPixelColor($image, 39, 0), [127, 127, 127, 0]));
     // Remove effect.
     $this->removeEffectFromTestStyle($uuid);
 }

 /**
  * Contrast operations test.
  */
 public function doTestContrastOperations()
 {
     $image_factory = $this->container->get('image.factory');
     $image_toolkit_id = $image_factory->getToolkitId();
     // Test on the PNG test image.
     $test_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     // Test data.
     $test_data = ['0' => [$this->red, $this->green, $this->transparent, $this->blue], '-50' => [$image_toolkit_id === 'imagemagick' ? array(180, 75, 75, 0) : array(159, 95, 95, 0), $image_toolkit_id === 'imagemagick' ? array(75, 180, 75, 0) : array(95, 159, 95, 0), $this->transparent, $image_toolkit_id === 'imagemagick' ? array(75, 75, 180, 0) : array(95, 95, 159, 0)], '-100' => [$image_toolkit_id === 'imagemagick' ? array(128, 128, 128, 0) : array(127, 127, 127, 0), $image_toolkit_id === 'imagemagick' ? array(128, 128, 128, 0) : array(127, 127, 127, 0), $this->transparent, $image_toolkit_id === 'imagemagick' ? array(128, 128, 128, 0) : array(127, 127, 127, 0)], '50' => [array(255, 0, 0, 0), array(0, 255, 0, 0), $this->transparent, array(0, 0, 255, 0)], '100' => [array(255, 0, 0, 0), array(0, 255, 0, 0), $this->transparent, array(0, 0, 255, 0)]];
     foreach ($test_data as $key => $colors) {
         // Add contrast effect to the test image style.
         $effect = ['id' => 'image_effects_contrast', 'data' => ['level' => $key]];
         $uuid = $this->addEffectToTestStyle($effect);
         // Load Image Style.
         $image_style = ImageStyle::load('image_effects_test');
         // Check that ::applyEffect generates image with expected contrast.
         $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
         $image = $image_factory->get($generated_uri, 'gd');
         $this->assertTrue($this->colorsAreEqual($colors[0], $this->getPixelColor($image, 0, 0)));
         $this->assertTrue($this->colorsAreEqual($colors[1], $this->getPixelColor($image, 39, 0)));
         $this->assertTrue($this->colorsAreEqual($colors[2], $this->getPixelColor($image, 0, 19)));
         $this->assertTrue($this->colorsAreEqual($colors[3], $this->getPixelColor($image, 39, 19)));
         // Remove effect.
         $uuid = $this->removeEffectFromTestStyle($uuid);
     }
 }

 /**
  * {@inheritdoc}
  */
 protected function setUp()
 {
     parent::setUp();
     $this->fileSystem = $this->container->get('file_system');
     $this->config('system.file')->set('default_scheme', 'public')->save();
     $this->imageStyle = ImageStyle::create(['name' => 'test']);
     $this->imageStyle->save();
 }

 /**
  * {@inheritdoc}
  */
 protected function setUp()
 {
     parent::setUp();
     $this->style = ImageStyle::create(['name' => 'style_foo', 'label' => $this->randomString()]);
     $this->style->save();
     $this->replacementStyle = ImageStyle::create(['name' => 'style_bar', 'label' => $this->randomString()]);
     $this->replacementStyle->save();
     $this->entityTypeManager = \Drupal::entityTypeManager();
 }

 /**
  * {@inheritdoc}
  */
 public function renderThumbnail($image_style, $link_url)
 {
     $this->downloadThumbnail();
     $output = ['#theme' => 'image', '#uri' => !empty($image_style) ? ImageStyle::load($image_style)->buildUrl($this->getLocalThumbnailUri()) : $this->getLocalThumbnailUri()];
     if ($link_url) {
         $output = ['#type' => 'link', '#title' => $output, '#url' => $link_url];
     }
     return $output;
 }

 /**
  * Tests the dependency between ImageStyle and entity display components.
  */
 public function testEntityDisplayDependency()
 {
     // Create two image styles.
     /** @var \Drupal\image\ImageStyleInterface $style */
     $style = ImageStyle::create(['name' => 'main_style']);
     $style->save();
     /** @var \Drupal\image\ImageStyleInterface $replacement */
     $replacement = ImageStyle::create(['name' => 'replacement_style']);
     $replacement->save();
     // Create a node-type, named 'note'.
     $node_type = NodeType::create(['type' => 'note']);
     $node_type->save();
     // Create an image field and attach it to the 'note' node-type.
     FieldStorageConfig::create(['entity_type' => 'node', 'field_name' => 'sticker', 'type' => 'image'])->save();
     FieldConfig::create(['entity_type' => 'node', 'field_name' => 'sticker', 'bundle' => 'note'])->save();
     // Create the default entity view display and set the 'sticker' field to use
     // the 'main_style' images style in formatter.
     /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display */
     $view_display = EntityViewDisplay::create(['targetEntityType' => 'node', 'bundle' => 'note', 'mode' => 'default', 'status' => TRUE])->setComponent('sticker', ['settings' => ['image_style' => 'main_style']]);
     $view_display->save();
     // Create the default entity form display and set the 'sticker' field to use
     // the 'main_style' images style in the widget.
     /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display */
     $form_display = EntityFormDisplay::create(['targetEntityType' => 'node', 'bundle' => 'note', 'mode' => 'default', 'status' => TRUE])->setComponent('sticker', ['settings' => ['preview_image_style' => 'main_style']]);
     $form_display->save();
     // Check that the entity displays exists before dependency removal.
     $this->assertNotNull(EntityViewDisplay::load($view_display->id()));
     $this->assertNotNull(EntityFormDisplay::load($form_display->id()));
     // Delete the 'main_style' image style. Before that, emulate the UI process
     // of selecting a replacement style by setting the replacement image style
     // ID in the image style storage.
     /** @var \Drupal\image\ImageStyleStorageInterface $storage */
     $storage = $this->container->get('entity.manager')->getStorage($style->getEntityTypeId());
     $storage->setReplacementId('main_style', 'replacement_style');
     $style->delete();
     // Check that the entity displays exists after dependency removal.
     $this->assertNotNull($view_display = EntityViewDisplay::load($view_display->id()));
     $this->assertNotNull($form_display = EntityFormDisplay::load($form_display->id()));
     // Check that the 'sticker' formatter component exists in both displays.
     $this->assertNotNull($formatter = $view_display->getComponent('sticker'));
     $this->assertNotNull($widget = $form_display->getComponent('sticker'));
     // Check that both displays are using now 'replacement_style' for images.
     $this->assertSame('replacement_style', $formatter['settings']['image_style']);
     $this->assertSame('replacement_style', $widget['settings']['preview_image_style']);
     // Delete the 'replacement_style' without setting a replacement image style.
     $replacement->delete();
     // The entity view and form displays exists after dependency removal.
     $this->assertNotNull($view_display = EntityViewDisplay::load($view_display->id()));
     $this->assertNotNull($form_display = EntityFormDisplay::load($form_display->id()));
     // The 'sticker' formatter component should be hidden in view display.
     $this->assertNull($view_display->getComponent('sticker'));
     $this->assertTrue($view_display->get('hidden')['sticker']);
     // The 'sticker' widget component should be active in form displays, but the
     // image preview should be disabled.
     $this->assertNotNull($widget = $form_display->getComponent('sticker'));
     $this->assertSame('', $widget['settings']['preview_image_style']);
 }

 /**
  * Set canvas operations test.
  */
 public function doTestSetCanvasOperations()
 {
     $image_factory = $this->container->get('image.factory');
     $test_file = drupal_get_path('module', 'simpletest') . '/files/image-test.png';
     $original_uri = file_unmanaged_copy($test_file, 'public://', FILE_EXISTS_RENAME);
     $generated_uri = 'public://styles/image_effects_test/public/' . \Drupal::service('file_system')->basename($original_uri);
     // Test EXACT size canvas.
     $effect = ['id' => 'image_effects_set_canvas', 'data' => ['canvas_size' => 'exact', 'canvas_color][container][transparent' => FALSE, 'canvas_color][container][hex' => '#FF00FF', 'canvas_color][container][opacity' => 100, 'exact][width' => '200%', 'exact][height' => '200%']];
     $uuid = $this->addEffectToTestStyle($effect);
     // Load Image Style.
     $image_style = ImageStyle::load('image_effects_test');
     // Check that ::transformDimensions returns expected dimensions.
     $image = $image_factory->get($original_uri);
     $this->assertEqual(40, $image->getWidth());
     $this->assertEqual(20, $image->getHeight());
     $url = file_url_transform_relative($image_style->buildUrl($original_uri));
     $variables = array('#theme' => 'image_style', '#style_name' => 'image_effects_test', '#uri' => $original_uri, '#width' => $image->getWidth(), '#height' => $image->getHeight());
     $this->assertEqual('<img src="' . $url . '" width="80" height="40" alt="" class="image-style-image-effects-test" />', $this->getImageTag($variables));
     // Check that ::applyEffect generates image with expected canvas.
     $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
     $image = $image_factory->get($generated_uri, 'gd');
     $this->assertEqual(80, $image->getWidth());
     $this->assertEqual(40, $image->getHeight());
     $this->assertTrue($this->colorsAreEqual($this->fuchsia, $this->getPixelColor($image, 0, 0)));
     $this->assertTrue($this->colorsAreEqual($this->fuchsia, $this->getPixelColor($image, 79, 0)));
     $this->assertTrue($this->colorsAreEqual($this->fuchsia, $this->getPixelColor($image, 0, 39)));
     $this->assertTrue($this->colorsAreEqual($this->fuchsia, $this->getPixelColor($image, 79, 39)));
     // Remove effect.
     $this->removeEffectFromTestStyle($uuid);
     // Test RELATIVE size canvas.
     $effect = ['id' => 'image_effects_set_canvas', 'data' => ['canvas_size' => 'relative', 'canvas_color][container][transparent' => FALSE, 'canvas_color][container][hex' => '#FFFF00', 'canvas_color][container][opacity' => 100, 'relative][right' => 10, 'relative][left' => 20, 'relative][top' => 30, 'relative][bottom' => 40]];
     $uuid = $this->addEffectToTestStyle($effect);
     // Load Image Style.
     $image_style = ImageStyle::load('image_effects_test');
     // Check that ::transformDimensions returns expected dimensions.
     $image = $image_factory->get($original_uri);
     $this->assertEqual(40, $image->getWidth());
     $this->assertEqual(20, $image->getHeight());
     $url = file_url_transform_relative($image_style->buildUrl($original_uri));
     $variables = array('#theme' => 'image_style', '#style_name' => 'image_effects_test', '#uri' => $original_uri, '#width' => $image->getWidth(), '#height' => $image->getHeight());
     $this->assertEqual('<img src="' . $url . '" width="70" height="90" alt="" class="image-style-image-effects-test" />', $this->getImageTag($variables));
     // Check that ::applyEffect generates image with expected canvas.
     $image_style->createDerivative($original_uri, $image_style->buildUri($original_uri));
     $image = $image_factory->get($generated_uri, 'gd');
     $this->assertEqual(70, $image->getWidth());
     $this->assertEqual(90, $image->getHeight());
     $this->assertTrue($this->colorsAreEqual($this->yellow, $this->getPixelColor($image, 0, 0)));
     $this->assertTrue($this->colorsAreEqual($this->yellow, $this->getPixelColor($image, 69, 0)));
     $this->assertTrue($this->colorsAreEqual($this->yellow, $this->getPixelColor($image, 0, 89)));
     $this->assertTrue($this->colorsAreEqual($this->yellow, $this->getPixelColor($image, 69, 89)));
     // Remove effect.
     $this->removeEffectFromTestStyle($uuid);
 }