Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\image\Plugin\ImageEffect;
Chris@0: 
Chris@0: use Drupal\Core\Image\ImageInterface;
Chris@0: use Drupal\image\ImageEffectBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Desaturates (grayscale) an image resource.
Chris@0:  *
Chris@0:  * @ImageEffect(
Chris@0:  *   id = "image_desaturate",
Chris@0:  *   label = @Translation("Desaturate"),
Chris@0:  *   description = @Translation("Desaturate converts an image to grayscale.")
Chris@0:  * )
Chris@0:  */
Chris@0: class DesaturateImageEffect extends ImageEffectBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function applyEffect(ImageInterface $image) {
Chris@0:     if (!$image->desaturate()) {
Chris@0:       $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()]);
Chris@0:       return FALSE;
Chris@0:     }
Chris@0:     return TRUE;
Chris@0:   }
Chris@0: 
Chris@0: }