Version 1

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

diff --git a/web/core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php b/web/core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php
new file mode 100644 (file)
index 0000000..d34161e
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+++ b/web/core/modules/image/src/Plugin/ImageEffect/DesaturateImageEffect.php
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+<?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;
+  }
+
+}