Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\image\Plugin\ImageEffect;
Chris@0: 
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Image\ImageInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Crops an image resource.
Chris@0:  *
Chris@0:  * @ImageEffect(
Chris@0:  *   id = "image_crop",
Chris@0:  *   label = @Translation("Crop"),
Chris@0:  *   description = @Translation("Resizing will make images an exact set of dimensions. This may cause images to be stretched or shrunk disproportionately.")
Chris@0:  * )
Chris@0:  */
Chris@0: class CropImageEffect extends ResizeImageEffect {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function applyEffect(ImageInterface $image) {
Chris@0:     list($x, $y) = explode('-', $this->configuration['anchor']);
Chris@0:     $x = image_filter_keyword($x, $image->getWidth(), $this->configuration['width']);
Chris@0:     $y = image_filter_keyword($y, $image->getHeight(), $this->configuration['height']);
Chris@0:     if (!$image->crop($x, $y, $this->configuration['width'], $this->configuration['height'])) {
Chris@0:       $this->logger->error('Image crop 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:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getSummary() {
Chris@0:     $summary = [
Chris@0:       '#theme' => 'image_crop_summary',
Chris@0:       '#data' => $this->configuration,
Chris@0:     ];
Chris@0:     $summary += parent::getSummary();
Chris@0: 
Chris@0:     return $summary;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function defaultConfiguration() {
Chris@0:     return parent::defaultConfiguration() + [
Chris@0:       'anchor' => 'center-center',
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
Chris@0:     $form = parent::buildConfigurationForm($form, $form_state);
Chris@0:     $form['anchor'] = [
Chris@0:       '#type' => 'radios',
Chris@0:       '#title' => t('Anchor'),
Chris@0:       '#options' => [
Chris@0:         'left-top' => t('Top left'),
Chris@0:         'center-top' => t('Top center'),
Chris@0:         'right-top' => t('Top right'),
Chris@0:         'left-center' => t('Center left'),
Chris@0:         'center-center' => t('Center'),
Chris@0:         'right-center' => t('Center right'),
Chris@0:         'left-bottom' => t('Bottom left'),
Chris@0:         'center-bottom' => t('Bottom center'),
Chris@0:         'right-bottom' => t('Bottom right'),
Chris@0:       ],
Chris@0:       '#theme' => 'image_anchor',
Chris@0:       '#default_value' => $this->configuration['anchor'],
Chris@0:       '#description' => t('The part of the image that will be retained during the crop.'),
Chris@0:     ];
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
Chris@0:     parent::submitConfigurationForm($form, $form_state);
Chris@0: 
Chris@0:     $this->configuration['anchor'] = $form_state->getValue('anchor');
Chris@0:   }
Chris@0: 
Chris@0: }