$form = PDF::Builder::Resource::XObject::Form->new($pdf)

Creates a form resource.

($llx, $lly, $urx, $ury) = $form->bbox($llx, $lly, $urx, $ury)

Get or set the coordinates of the form object's bounding box.

$resource = $form->resource($type, $key)
$form->resource($type, $key, $object, $force)

Get or add a resource required by the form's contents, such as a Font, XObject, ColorSpace, etc.

By default, an existing $key will not be overwritten. Set $force to override this behavior.