function CreateNew::validateArguments

File

core/modules/system/src/Plugin/ImageToolkit/Operation/gd/CreateNew.php, line 52

Class

CreateNew

Defines GD2 create_new image operation.

Namespace

Code

protected function validateArguments(array $arguments) {
  // Assure extension is supported.
  if (!in_array($arguments['extension'], $this->getToolkit()
    ->getSupportedExtensions())) {
    throw new \InvalidArgumentException("Invalid extension ('{$arguments['extension']}') specified for the image 'create_new' operation");
  }
  // Assure integers for width and height.
  $arguments['width'] = (int) round($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 'create_new' operation");
  }
  if ($arguments['height'] <= 0) {
    throw new \InvalidArgumentException("Invalid height ({$arguments['height']}) specified for the image 'create_new' operation");
  }
  // Assure transparent color is a valid hex string.
  if ($arguments['transparent_color'] && !Color::validateHex($arguments['transparent_color'])) {
    throw new \InvalidArgumentException("Invalid transparent color ({$arguments['transparent_color']}) specified for the image 'create_new' operation");
  }
  return $arguments;
}