(PECL ps >= 1.1.0)
ps_setlinecap — Sets appearance of line ends
psdocResource identifier of the postscript file as returned by ps_new().
type
       The type of line ends. Possible values are
       PS_LINECAP_BUTT,
       PS_LINECAP_ROUND, or
       PS_LINECAP_SQUARED.
      
