[gs-bugs] [Bug 691758] GSPrint - using Wildcard

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Mon Feb 28 13:48:30 UTC 2011


Ken Sharp <ken.sharp at artifex.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #5 from Ken Sharp <ken.sharp at artifex.com> 2011-02-28 13:48:28 UTC ---
(In reply to comment #4)
> This is off of the topic of this ticket but I'm attempting to use GSPrint to
> print a .ps file that requires pulling from multiple trays.  It's only pulling
> from 1 tray and I wasn't sure if this is a limitation of GSPrint or if I have
> an issue on the printer side.  Any help is greatly appreciated or if you could
> direct me to a blog where this could be answered that would be great!! 

I suspect you cannot do this. Without knowing a lot more specifics about your
environment (the target printer, how trays are controlled etc) I can't be
certain, but what gsprint does, I think, is pass PostScript to Ghostscript
which GS then converts into a bitmap image. 

GSPrint then draws the bitmap on a Windows Device context suitable for the
printer. This then invokes the Windows printer driver specific to that printer,
which sends the appropriate invocation to the actual printer which causes it to
print the bitmap.

This is often a slow and inefficient way to print to a device, but it has the
redeeming benefit that it works :-)

Any tray information in the original PostScript file is obviously lost when the
file is rendered to a bitmap, so I don't see any way to achieve tray switching.

Closing this issue as the original question has already been answered.

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