ps2epsi - generate conforming Encapsulated PostScript


   ps2epsi [ outfile.epsi ] (Unix)
   ps2epsi [ outfile.epi ] (DOS)


   ps2epsi  uses  gs(1)  to  process a PostScript(tm) file and generate as
   output a new file which conforms  to  Adobe's  Encapsulated  PostScript
   Interchange  (EPSI)  format.   EPSI  is  a special form of encapsulated
   PostScript (EPS) which adds to the beginning of the file in the form of
   PostScript  comments  a  bitmapped version of the final displayed page.
   Programs  which  understand  EPSI  (usually  word  processors  or   DTP
   programs)  can  use  this bitmap to give a preview version on screen of
   the PostScript.  The displayed quality is often not  very  good  (e.g.,
   low  resolution,  no  colours),  but the final printed version uses the
   real PostScript, and thus has the normal PostScript quality.


   On Unix systems invoke ps2epsi like this:

        ps2epsi [ outfile.epsi ]

   where "" is the input file and "outfile.epsi" is the resulting
   EPSI file.  If the output filename is omitted, it is generated from the
   input filename.  When a standard extension (".ps",  ".cps",  ".eps"  or
   ".epsf") is used, it is replaced with the output extension ".epsi".  On
   DOS systems the command is:

        ps2epsi outfile.epi

   where "" is the original PostScript file, and "outfile.epi" is
   the name of the output file.


   Not  every  PostScript  file  can be encapsulated successfully, because
   there  are  restrictions  on  what  PostScript  constructs  a   correct
   encapsulated file may contain.  ps2epsi does a little extra work to try
   to help encapsulation, and it automatically calculates the bounding box
   required  for all encapsulated PostScript files, so most of the time it
   does a pretty good job. There are certain to be cases,  however,  where
   the  encapsulation does not work because of the content of the original
   PostScript file.


   The Framemaker DTP system is one  application  which  understands  EPSI
   files,  and  ps2epsi has been tested on a number of PostScript diagrams
   from a variety of sources, using Framemaker 3.0 on a  Sun  workstation.
   Framemaker  on  other  platforms  should  be  able  to use these files,
   although I have not been able to test this.


   ps2epsi       Unix shell script
   ps2epsi.bat   DOS batch file    the Ghostscript program which does the work


   gs (1)


   This document was last revised for Ghostscript version 9.19.   However,
   the content may be obsolete, or inconsistent with ps2epsi.txt.


   George Cameron


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