Version 1

[yaffs-website] / web / core / modules / image / src / Plugin / ImageEffect / CropImageEffect.php

diff --git a/web/core/modules/image/src/Plugin/ImageEffect/CropImageEffect.php b/web/core/modules/image/src/Plugin/ImageEffect/CropImageEffect.php
new file mode 100644 (file)
index 0000000..87536e6
--- /dev/null
+++ b/web/core/modules/image/src/Plugin/ImageEffect/CropImageEffect.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace Drupal\image\Plugin\ImageEffect;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Image\ImageInterface;
+
+/**
+ * Crops an image resource.
+ *
+ * @ImageEffect(
+ *   id = "image_crop",
+ *   label = @Translation("Crop"),
+ *   description = @Translation("Resizing will make images an exact set of dimensions. This may cause images to be stretched or shrunk disproportionately.")
+ * )
+ */
+class CropImageEffect extends ResizeImageEffect {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applyEffect(ImageInterface $image) {
+    list($x, $y) = explode('-', $this->configuration['anchor']);
+    $x = image_filter_keyword($x, $image->getWidth(), $this->configuration['width']);
+    $y = image_filter_keyword($y, $image->getHeight(), $this->configuration['height']);
+    if (!$image->crop($x, $y, $this->configuration['width'], $this->configuration['height'])) {
+      $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()]);
+      return FALSE;
+    }
+    return TRUE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSummary() {
+    $summary = [
+      '#theme' => 'image_crop_summary',
+      '#data' => $this->configuration,
+    ];
+    $summary += parent::getSummary();
+
+    return $summary;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return parent::defaultConfiguration() + [
+      'anchor' => 'center-center',
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form = parent::buildConfigurationForm($form, $form_state);
+    $form['anchor'] = [
+      '#type' => 'radios',
+      '#title' => t('Anchor'),
+      '#options' => [
+        'left-top' => t('Top left'),
+        'center-top' => t('Top center'),
+        'right-top' => t('Top right'),
+        'left-center' => t('Center left'),
+        'center-center' => t('Center'),
+        'right-center' => t('Center right'),
+        'left-bottom' => t('Bottom left'),
+        'center-bottom' => t('Bottom center'),
+        'right-bottom' => t('Bottom right'),
+      ],
+      '#theme' => 'image_anchor',
+      '#default_value' => $this->configuration['anchor'],
+      '#description' => t('The part of the image that will be retained during the crop.'),
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    parent::submitConfigurationForm($form, $form_state);
+
+    $this->configuration['anchor'] = $form_state->getValue('anchor');
+  }
+
+}