(PHP 4, PECL pdflib >= 1.0.0)
PDF_skew — Skew the coordinate system
$p
, float $alpha
, float $beta
) : bool
Skews the coordinate system in x and y direction by alpha
and beta degrees, respectively. �ɹ�ʱ���� TRUE�� ������ʧ��ʱ���� FALSE��