(PECL ps >= 1.1.0)
ps_scale — Sets scaling factor
$psdoc
   , float $x
   , float $y
   )Sets horizontal and vertical scaling of the coordinate system.
psdocResource identifier of the postscript file as returned by ps_new().
xScaling factor in horizontal direction.
yScaling factor in vertical direction.
   Başarı durumunda TRUE, başarısızlık durumunda FALSE döner.