ImageFilterEffect.php in Image effect kit 8

Contains \Drupal\iek\Plugin\ImageEffect\ImageFilterEffect.

Namespace

Drupal\iek\Plugin\ImageEffect

File

src/Plugin/ImageEffect/ImageFilterEffect.php

<?php

/**
 * @file
 * Contains \Drupal\iek\Plugin\ImageEffect\ImageFilterEffect.
 */
namespace Drupal\iek\Plugin\ImageEffect;

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

/**
 * IEK - Filter.
 *
 * @ImageEffect(
 *   id = "iek_image_filter",
 *   label = @Translation("IEK - Filter"),
 *   description = @Translation("Apply a filter to an image.")
 * )
 */
class ImageFilterEffect extends ConfigurableImageEffectBase {

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    if (!$image
      ->apply('iek_image_filter', $this->configuration)) {
      $this->logger
        ->error('IEK - Filter failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', [
        '%toolkit' => $image
          ->getToolkitId(),
        '%path' => $image
          ->getSource(),
        '%mimetype' => $image
          ->getMimeType(),
        '%dimensions' => $image
          ->getWidth() . 'x' . $image
          ->getHeight(),
      ]);
      return FALSE;
    }
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function transformDimensions(array &$dimensions, $uri) {
    $dimensions['filter_name'] = $this->configuration['filter_name'];
    $dimensions['repeat'] = $this->configuration['repeat'];
    $dimensions['arg1'] = $this->configuration['arg1'];
    $dimensions['arg2'] = $this->configuration['arg2'];
    $dimensions['arg3'] = $this->configuration['arg3'];
    $dimensions['arg4'] = $this->configuration['arg4'];
  }

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

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'filter_name' => '',
      'repeat' => 1,
      'arg1' => 0,
      'arg2' => 0,
      'arg3' => 0,
      'arg4' => 0,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $filters = iek_get_image_filters();
    $int127 = [];
    $int255 = [];
    for ($i = 0; $i <= 255; $i++) {
      if ($i <= 127) {
        $int127[$i] = $i;
      }
      $int255[$i] = $i;
    }
    $form['filter_name'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Filter name'),
      '#default_value' => $this->configuration['filter_name'],
      '#options' => $filters,
      '#required' => TRUE,
    ];
    $form['repeat'] = [
      '#type' => 'select',
      '#options' => $int255,
      '#title' => $this
        ->t('Repeat'),
      '#description' => $this
        ->t('How many times do you want to repeat the filter action? Caution: higher repeat times will cause your site performance issue.'),
      '#default_value' => $this->configuration['repeat'],
      '#required' => TRUE,
    ];
    $form['arg1'] = [
      '#type' => 'select',
      '#options' => $int255,
      '#title' => $this
        ->t('arg1'),
      '#default_value' => $this->configuration['arg1'],
      '#required' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="data[filter_name]"]' => [
            [
              'value' => IMG_FILTER_BRIGHTNESS,
            ],
            [
              'value' => IMG_FILTER_CONTRAST,
            ],
            [
              'value' => IMG_FILTER_COLORIZE,
            ],
            [
              'value' => IMG_FILTER_SMOOTH,
            ],
            [
              'value' => IMG_FILTER_PIXELATE,
            ],
          ],
        ],
      ],
    ];
    $form['arg2'] = [
      '#type' => 'select',
      '#options' => $int255,
      '#title' => $this
        ->t('arg2'),
      '#default_value' => $this->configuration['arg2'],
      '#required' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="data[filter_name]"]' => [
            [
              'value' => IMG_FILTER_COLORIZE,
            ],
            [
              'value' => IMG_FILTER_PIXELATE,
            ],
          ],
        ],
      ],
    ];
    $form['arg3'] = [
      '#type' => 'select',
      '#options' => $int255,
      '#title' => $this
        ->t('arg3'),
      '#default_value' => $this->configuration['arg3'],
      '#required' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="data[filter_name]"]' => [
            [
              'value' => IMG_FILTER_COLORIZE,
            ],
          ],
        ],
      ],
    ];
    $form['arg4'] = [
      '#type' => 'select',
      '#options' => $int127,
      '#title' => $this
        ->t('arg4'),
      '#default_value' => $this->configuration['arg4'],
      '#required' => TRUE,
      '#states' => [
        'visible' => [
          ':input[name="data[filter_name]"]' => [
            [
              'value' => IMG_FILTER_COLORIZE,
            ],
          ],
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['filter_name'] = $form_state
      ->getValue('filter_name');
    $this->configuration['repeat'] = $form_state
      ->getValue('repeat');
    $this->configuration['arg1'] = $form_state
      ->getValue('arg1');
    $this->configuration['arg2'] = $form_state
      ->getValue('arg2');
    $this->configuration['arg3'] = $form_state
      ->getValue('arg3');
    $this->configuration['arg4'] = $form_state
      ->getValue('arg4');
  }

}

Classes

Name	Description
ImageFilterEffect	IEK - Filter.