protected function WatermarkTrait::validateArguments in Image Effects 8.3

Same name and namespace in other branches

1. 8 src/Plugin/ImageToolkit/Operation/WatermarkTrait.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\WatermarkTrait::validateArguments()
2. 8.2 src/Plugin/ImageToolkit/Operation/WatermarkTrait.php \Drupal\image_effects\Plugin\ImageToolkit\Operation\WatermarkTrait::validateArguments()

File

src/Plugin/ImageToolkit/Operation/WatermarkTrait.php, line 51

Class

WatermarkTrait

Base trait for image_effects Watermark operations.

Namespace

Drupal\image_effects\Plugin\ImageToolkit\Operation

Code

protected function validateArguments(array $arguments) {

  // Ensure watermark_image opacity is in the range 0-100.
  if ($arguments['opacity'] > 100 || $arguments['opacity'] < 0) {
    throw new \InvalidArgumentException("Invalid opacity ('{$arguments['opacity']}') specified for the image 'watermark' operation");
  }

  // Ensure watermark_image is an expected ImageInterface object.
  if (!$arguments['watermark_image'] instanceof ImageInterface) {
    throw new \InvalidArgumentException("Watermark image passed to the 'watermark' operation is invalid");
  }

  // Ensure watermark_image is a valid image.
  if (!$arguments['watermark_image']
    ->isValid()) {
    $source = $arguments['watermark_image']
      ->getSource();
    throw new \InvalidArgumentException("Invalid image at {$source}");
  }

  // Ensure 'watermark_width' is NULL or a positive integer.
  $arguments['watermark_width'] = $arguments['watermark_width'] !== NULL ? (int) $arguments['watermark_width'] : NULL;
  if ($arguments['watermark_width'] !== NULL && $arguments['watermark_width'] <= 0) {
    throw new \InvalidArgumentException("Invalid watermark width ('{$arguments['watermark_width']}') specified for the image 'watermark' operation");
  }

  // Ensure 'watermark_height' is NULL or a positive integer.
  $arguments['watermark_height'] = $arguments['watermark_height'] !== NULL ? (int) $arguments['watermark_height'] : NULL;
  if ($arguments['watermark_height'] !== NULL && $arguments['watermark_height'] <= 0) {
    throw new \InvalidArgumentException("Invalid height ('{$arguments['watermark_height']}') specified for the image 'watermark' operation");
  }

  // Ensure 'x_offset' is an integer.
  $arguments['x_offset'] = (int) $arguments['x_offset'];

  // Ensure 'y_offset' is an integer.
  $arguments['y_offset'] = (int) $arguments['y_offset'];
  return $arguments;
}