DesaturateImageEffect.php in Drupal 8

Namespace

Drupal\image\Plugin\ImageEffect

File

core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php

<?php

namespace Drupal\image\Plugin\ImageEffect;

use Drupal\Core\Image\ImageInterface;
use Drupal\image\ImageEffectBase;

/**
 * Desaturates (grayscale) an image resource.
 *
 * @ImageEffect(
 *   id = "image_desaturate",
 *   label = @Translation("Desaturate"),
 *   description = @Translation("Desaturate converts an image to grayscale.")
 * )
 */
class DesaturateImageEffect extends ImageEffectBase {

  /**
   * {@inheritdoc}
   */
  public function applyEffect(ImageInterface $image) {
    if (!$image
      ->desaturate()) {
      $this->logger
        ->error('Image desaturate 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;
  }

}

Classes

Name	Description
DesaturateImageEffect	Desaturates (grayscale) an image resource.