The apps are many and varied but are all printing via a single Postscript
printer driver in windows. You don't need to make a windows printer driver,
you just have to parse or execute the PS from it and let me know when it is
about to print something at a specific location so that I can change the
location or copy the text to other locations. I also need to change the page
size, tray select and inject some postscript just before the page is
ejected.

There are many applications out there that are fixed. No open source. No
willingness for the company that makes them to change where they print
things. Often, these companies are in bed with forms mfgrs who have a
copyrighted layout of the form. Many times, these fixed formats do not meet
the needs of the clients who use the software. 

We change all that. We intercept and re-arrange the print data to match new
forms or to replace the pre-printed forms by including the form image with
the print data. This works very well in PCL. But some applications actually
generate PDF files which, if printed through a PCL driver, just turn into a
huge graphic which slows down the printers and increases network bandwidth.
When you print these same PDFs through a post script driver, the job size is
much less and the text is retained. We want to edit the postscript from the
printer driver on the fly. 

Makes sense, no?

---
James.
 
 

> -----Original Message-----
> From: piclist-bounces@mit.edu 
> [mailto:piclist-bounces@mit.edu] On Behalf Of John La Rooy
> Sent: 2007 May 30, Wed 16:47
> To: Microcontroller discussion list - Public.
> Subject: Re: [BUY] Postscript print job Guru
> 
> On 5/31/07, William Chops Westfield <westfw@mac.com> wrote:
> >
> >
> > On May 30, 2007, at 10:29 AM, James Newtons Massmind wrote:
> >
> > > does anyone have ANY experience with modifying PostScript 
> print jobs?
> >
> > I find it easier to write raw postscript to start with.  Most 
> > applications are going to bend postscript to match their model of a 
> > printer, rather than using postscript in a way that lends itself to 
> > easy modification.
> 
> 
> The specific apps are a huge part of this problem that is missing.
> 
> How much control do you have over the applications that are 
> generating the postscript?
> 
> My first choice would be to write a wrapper for "show" and prepend it.
> 
> If the stuff you are trying to manipulate is not using show, 
> or if it is doing kerning tricks on the strings for example, 
> it is going to be much more difficult.
> 
> No idea how to make a windows driver...
> 
> John
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