function Resize::validateArguments

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/Resize.php, line 35

Class

Resize

Defines GD2 resize operation.

Namespace

Code

protected function validateArguments(array $arguments) {
  // Assure integers for all arguments.
  $arguments['width'] = (int) round($arguments['width']);
  $arguments['height'] = (int) round($arguments['height']);
  // Fail when width or height are 0 or negative.
  if ($arguments['width'] <= 0) {
    throw new \InvalidArgumentException("Invalid width ('{$arguments['width']}') specified for the image 'resize' operation");
  }
  if ($arguments['height'] <= 0) {
    throw new \InvalidArgumentException("Invalid height ('{$arguments['height']}') specified for the image 'resize' operation");
  }
  return $arguments;
}