Version 1

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

diff --git a/web/core/modules/image/src/Plugin/ImageEffect/ResizeImageEffect.php b/web/core/modules/image/src/Plugin/ImageEffect/ResizeImageEffect.php
new file mode 100644 (file)
index 0000000..dba3429
--- /dev/null
+++ b/web/core/modules/image/src/Plugin/ImageEffect/ResizeImageEffect.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Drupal\image\Plugin\ImageEffect;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Image\ImageInterface;
+use Drupal\image\ConfigurableImageEffectBase;
+
+/**
+ * Resizes an image resource.
+ *
+ * @ImageEffect(
+ *   id = "image_resize",
+ *   label = @Translation("Resize"),
+ *   description = @Translation("Resizing will make images an exact set of dimensions. This may cause images to be stretched or shrunk disproportionately.")
+ * )
+ */
+class ResizeImageEffect extends ConfigurableImageEffectBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applyEffect(ImageInterface $image) {
+    if (!$image->resize($this->configuration['width'], $this->configuration['height'])) {
+      $this->logger->error('Image resize failed using the %toolkit toolkit on %path (%mimetype, %dimensions)', ['%toolkit' => $image->getToolkitId(), '%path' => $image->getSource(), '%mimetype' => $image->getMimeType(), '%dimensions' => $image->getWidth() . 'x' . $image->getHeight()]);
+      return FALSE;
+    }
+    return TRUE;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function transformDimensions(array &$dimensions, $uri) {
+    // The new image will have the exact dimensions defined for the effect.
+    $dimensions['width'] = $this->configuration['width'];
+    $dimensions['height'] = $this->configuration['height'];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getSummary() {
+    $summary = [
+      '#theme' => 'image_resize_summary',
+      '#data' => $this->configuration,
+    ];
+    $summary += parent::getSummary();
+
+    return $summary;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return [
+      'width' => NULL,
+      'height' => NULL,
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $form['width'] = [
+      '#type' => 'number',
+      '#title' => t('Width'),
+      '#default_value' => $this->configuration['width'],
+      '#field_suffix' => ' ' . t('pixels'),
+      '#required' => TRUE,
+      '#min' => 1,
+    ];
+    $form['height'] = [
+      '#type' => 'number',
+      '#title' => t('Height'),
+      '#default_value' => $this->configuration['height'],
+      '#field_suffix' => ' ' . t('pixels'),
+      '#required' => TRUE,
+      '#min' => 1,
+    ];
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    parent::submitConfigurationForm($form, $form_state);
+
+    $this->configuration['height'] = $form_state->getValue('height');
+    $this->configuration['width'] = $form_state->getValue('width');
+  }
+
+}