function Resize::execute

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Resize.php, line 54

Class

Resize

Defines GD2 resize operation.

Namespace

Code

protected function execute(array $arguments = []) {
  // Create a new resource of the required dimensions, and copy and resize
  // the original resource on it with resampling. Destroy the original
  // resource upon success.
  $original_resource = $this->getToolkit()
    ->getResource();
  $data = [
    'width' => $arguments['width'],
    'height' => $arguments['height'],
    'extension' => image_type_to_extension($this->getToolkit()
      ->getType(), FALSE),
    '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, $arguments['width'], $arguments['height'], imagesx($original_resource), imagesy($original_resource))) {
      imagedestroy($original_resource);
      return TRUE;
    }
    else {
      // In case of failure, destroy the temporary resource and restore
      // the original one.
      imagedestroy($this->getToolkit()
        ->getResource());
      $this->getToolkit()
        ->setResource($original_resource);
    }
  }
  return FALSE;
}