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(PECL ps >= 1.1.0)
ps_scale — Sets scaling factor
$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 。