InterlaceImageEffect.php in Image Effects 8

Namespace

Drupal\image_effects\Plugin\ImageEffect

File

src/Plugin/ImageEffect/InterlaceImageEffect.php

<?php

namespace Drupal\image_effects\Plugin\ImageEffect;

use Drupal\Core\Image\ImageInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\image\ConfigurableImageEffectBase;

/**
 * Class InterlaceImageEffect.
 *
 * @ImageEffect(
 *   id = "image_effects_interlace",
 *   label = @Translation("Interlace"),
 *   description = @Translation("Specify the type of interlacing scheme.")
 * )
 */
class InterlaceImageEffect extends ConfigurableImageEffectBase implements ContainerFactoryPluginInterface {

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'type' => 'Plane',
    ] + parent::defaultConfiguration();
  }

  /**
   * {@inheritdoc}
   */
  public function getSummary() {
    return [
      '#theme' => 'image_effects_interlace_summary',
      '#data' => $this->configuration,
    ] + parent::getSummary();
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['type'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Interlace type'),
      '#description' => $this
        ->t('Use <strong>Line</strong> or <strong>Plane</strong> to create an interlaced PNG or GIF or progressive JPEG image. <strong>This setting is not relevant for the GD image toolkit.</strong>'),
      '#default_value' => $this->configuration['type'],
      '#required' => TRUE,
      '#options' => [
        'Line' => $this
          ->t('Line'),
        'Plane' => $this
          ->t('Plane'),
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['type'] = $form_state
      ->getValue('type');
  }

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    return $image
      ->apply('interlace', [
      'type' => $this->configuration['type'],
    ]);
  }

}

Classes

Name	Description
InterlaceImageEffect	Class InterlaceImageEffect.