Version 1

[yaffs-website] / web / core / modules / system / src / Plugin / ImageToolkit / Operation / gd / Convert.php

diff --git a/web/core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Convert.php b/web/core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Convert.php
new file mode 100644 (file)
index 0000000..5404e2e
--- /dev/null
+++ b/web/core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Convert.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace Drupal\system\Plugin\ImageToolkit\Operation\gd;
+
+/**
+ * Defines GD2 convert operation.
+ *
+ * @ImageToolkitOperation(
+ *   id = "gd_convert",
+ *   toolkit = "gd",
+ *   operation = "convert",
+ *   label = @Translation("Convert"),
+ *   description = @Translation("Instructs the toolkit to save the image with a specified extension.")
+ * )
+ */
+class Convert extends GDImageToolkitOperationBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function arguments() {
+    return [
+      'extension' => [
+        'description' => 'The new extension of the converted image',
+      ],
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function validateArguments(array $arguments) {
+    if (!in_array($arguments['extension'], $this->getToolkit()->getSupportedExtensions())) {
+      throw new \InvalidArgumentException("Invalid extension ({$arguments['extension']}) specified for the image 'convert' operation");
+    }
+    return $arguments;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function execute(array $arguments) {
+    // Create a new resource of the required dimensions and format, and copy
+    // the original resource on it with resampling. Destroy the original
+    // resource upon success.
+    $width = $this->getToolkit()->getWidth();
+    $height = $this->getToolkit()->getHeight();
+    $original_resource = $this->getToolkit()->getResource();
+    $original_type = $this->getToolkit()->getType();
+    $data = [
+      'width' => $width,
+      'height' => $height,
+      'extension' => $arguments['extension'],
+      'transparent_color' => $this->getToolkit()->getTransparentColor(),
+      'is_temp' => TRUE,
+    ];
+    if ($this->getToolkit()->apply('create_new', $data)) {
+      if (imagecopyresampled($this->getToolkit()->getResource(), $original_resource, 0, 0, 0, 0, $width, $height, $width, $height)) {
+        imagedestroy($original_resource);
+        return TRUE;
+      }
+      // In case of error, reset resource and type to as it was.
+      $this->getToolkit()->setResource($original_resource);
+      $this->getToolkit()->setType($original_type);
+    }
+    return FALSE;
+  }
+
+}