ps_scale

(PECL ps >= 1.1.0)

ps_scale — Sets scaling factor

bool ps_scale ( resource $psdoc , float $x , float $y )

Sets horizontal and vertical scaling of the coordinate system.

psdoc: Resource identifier of the postscript file as returned by ps_new().
x: Scaling factor in horizontal direction.
y: Scaling factor in vertical direction.

成功时返回 TRUE，或者在失败时返回 FALSE.