ImageStyle.php

<?php

/**
 * @file
 * Definition of Drupal\image\Plugin\Core\Entity\ImageStyle.
 */
namespace Drupal\image\Plugin\Core\Entity;

use Drupal\Core\Config\Entity\ConfigEntityBase;
use Drupal\Core\Annotation\Plugin;
use Drupal\Core\Annotation\Translation;

/**
 * Defines an image style configuration entity.
 *
 * @Plugin(
 *   id = "image_style",
 *   label = @Translation("Image style"),
 *   module = "image",
 *   controller_class = "Drupal\Core\Config\Entity\ConfigStorageController",
 *   uri_callback = "image_style_uri",
 *   config_prefix = "image.style",
 *   entity_keys = {
 *     "id" = "name",
 *     "label" = "label",
 *     "uuid" = "uuid"
 *   }
 * )
 */
class ImageStyle extends ConfigEntityBase {

  /**
   * The name of the image style.
   *
   * @var string
   */
  public $name;

  /**
   * The image style label.
   *
   * @var string
   */
  public $label;

  /**
   * The array of image effects for this image style.
   *
   * @var string
   */
  public $effects;

  /**
   * Overrides Drupal\Core\Entity\Entity::id().
   */
  public function id() {
    return $this->name;
  }

}