[WinPrnDev] Re: Creating a Printer Driver
- From: Sam Elamin <hussam_88@xxxxxxxxxxx>
- To: <winprndev@xxxxxxxxxxxxx>
- Date: Thu, 8 Apr 2010 08:41:03 +0000
Hi Clinton
I was wondering if you have any other references because I am trying to get my
head around what exactly does the port monitor pass the GhostScript exe because
i thought it was a straight stdin of the PostScript file obviously I am wrong
because according to my RedMon port settings I am passing :
@c:\gs\gs8.11\pdfwrite.rsp -sOutputFile="%1" -c save pop -f -
the first part is clearly calling the pdf creation script, the second is
calling the postscript file maybe?
To make things clearer I wrote a simple exe that saves everything given to it
to a file and this is what i receive, am i understanding this incorrectly? Does
the Port Monitor create temp file and Ghostscript somehow knows where this temp
file is ?
Any help would make this much clearer I am still combing through the mountain
load of information held in the help files of both GhostScript and RedMon to no
avail
RegardsSam
> Date: Wed, 7 Apr 2010 17:32:10 +0100
> Subject: [WinPrnDev] Re: Creating a Printer Driver
> From: clinton@xxxxxxxxxxxxxx
> To: winprndev@xxxxxxxxxxxxx
>
> Hi Sam,
> I wouldn't think this is an issue with Redmon, are you using "run as User"
> switch. It might be a permissions/environment problem.
> why don't you try and redirect to a program, this program writes to a temp
> file c:\sam_temp\123dfre.tmp, see if this works.
> Clinton
> >
> > Clinton
> > It seems that RedMon isnt supported on windows 7, whats odd is that the
> > PDF is created fine but if i try to redirect to my custom exe it just
> > produces an error. This means I will have to create my own redirect port
> > which is a bit of a shame seeing as the functionality i want is in RedMon
> > RegardsSam
> >
> > From: hussam_88@xxxxxxxxxxx
> > To: winprndev@xxxxxxxxxxxxx
> > Subject: [WinPrnDev] Re: Creating a Printer Driver
> > Date: Wed, 7 Apr 2010 15:28:12 +0000
> >
> >
> >
> >
> >
> >
> >
> >
> > Clinton
> > Apologies i was guided to use .NET but I realise its better to use C, what
> > if i just write a simple WIN32 console program? that way if i provide the
> > exe with the install there wont be any need to for framework to be
> > installed on client side.
> > I am just in the process of redirecting to my exe but it seems to be
> > locked because i am getting erors when i try to configure the port, im
> > sure ill sort it out though.
> > Question is what does RedMon pass to ghostScript? the PostScript file? and
> > I still have no idea if the document name can be produced?
> > RegardsSam
> >
> >
> >> Date: Wed, 7 Apr 2010 16:21:13 +0100
> >> Subject: [WinPrnDev] Re: Creating a Printer Driver
> >> From: clinton@xxxxxxxxxxxxxx
> >> To: winprndev@xxxxxxxxxxxxx
> >>
> >> Hi Sam,
> >> Sorry my mistake. So what's the reason for .NET if you prefer C/C++?
> >> Ignore me just we have a thing going on here in the office where
> >> everyone
> >> who knows me knows my common phrase "I do C/C++ why do I need a
> >> FrameWork
> >> to do things", not that I have any issue with the FrameWork, just never
> >> needed it.. Makes perfect sense for VB.NET and C##, BUT I love pointers.
> >>
> >> Anyway, going off topic again. You should be able to decipher this.
> >> Briefly the API calls to programatically add drivers, portmonitors etc
> >> is
> >> identical.
> >> AND yes, instead of ghostscript, call your app and away you go. Are you
> >> sure you want your users to first have a FrameWork installed before
> >> calling a simple program?
> >>
> >> Clinton
> >>
> >> >
> >> > Clinton
> >> > Thanks alot i will take a look at it, although I much prefer C to VB.
> >> You
> >> > know how it is with us programmers if you love C you hate VB and vice
> >> > versa :)
> >> > But I was just wondering, RedMon actually allows you to point to which
> >> exe
> >> > you want to start with, so instead of reirecting to ghostscript i
> >> should
> >> > redirect to my .net app right? RegardsSam
> >> >
> >> >> Date: Wed, 7 Apr 2010 15:35:23 +0100
> >> >> Subject: [WinPrnDev] Re: Creating a Printer Driver
> >> >> From: clinton@xxxxxxxxxxxxxx
> >> >> To: winprndev@xxxxxxxxxxxxx
> >> >>
> >> >> Hi Sam,
> >> >> I think you are getting there.
> >> >> The INF file is nothing more than a text configuration file used by
> >> the
> >> >> "Windows Add printer" User Interface. Primarily you don't need to
> >> rely
> >> >> on
> >> >> this and can install a printer driver, portmonitor automatically, BUT
> >> if
> >> >> you wish users to add a printer manually then the .inf is the way to
> >> go.
> >> >> It instructs the interface where files should be placed and what name
> >> to
> >> >> give the driver file with all its dependancies.
> >> >>
> >> >> Lets see you prefer VB, I have found a VB source site that does
> >> >> everything
> >> >> you require. Welcome to the world of opensource..
> >> >>
> >> >> http://www.pdfforge.org/download ( download the source and away you
> >> go )
> >> >> The will install a printer driver, portmonitor, ghostscript. You
> >> might
> >> >> want to do things differently BUT I thought the language syntax would
> >> be
> >> >> familiar so would make more sense than me sending you C snippets.
> >> >>
> >> >> Have Fun!
> >> >> Clinton
> >> >> >
> >> >> > Sorry everyone, just goes to show how new I am to all of this. I
> >> >> assumed
> >> >> > the INF file would be produced after compilation when its just a
> >> >> simple
> >> >> > text file containing information about the driver and tells windows
> >> to
> >> >> > copy the drivers to the system directory
> >> >> > I relise this because compiling the local port sample on WDK, it
> >> >> produced
> >> >> > DDLs
> >> >> > but RedMon has its own setup, I am assuming that given the RedMon
> >> DDLs
> >> >> i
> >> >> > can easily write an INF file to install the ports, so I need to
> >> >> actually
> >> >> > manipulate the code to stdout to a .net application instead of
> >> >> ghostscript
> >> >> > which does the same thing as ghostscript (as in create a temp file
> >> >> then
> >> >> > PDF) and then upload to server.
> >> >> > If thats correct then im finally beginning to understand what i
> >> need
> >> >> to
> >> >> > do, but there still the matter of the document name, how will I get
> >> >> it?
> >> >> > Will the output RedMon produces contain the name of the document
> >> >> > somewhere? Maybe GhostScript has a field for document name?
> >> >> > RegardsSam
> >> >> >
> >> >> > From: hussam_88@xxxxxxxxxxx
> >> >> > To: winprndev@xxxxxxxxxxxxx
> >> >> > Subject: [WinPrnDev] Re: Creating a Printer Driver
> >> >> > Date: Wed, 7 Apr 2010 11:21:35 +0000
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> >
> >> >> > Clinton
> >> >> > Thank you for your email, I am just looking at the RedMon source
> >> code,
> >> >> I
> >> >> > still have no idea how they produce the INF from the code but i am
> >> >> > assuming that to build an inf of a printer port I will have to
> >> maybe
> >> >> work
> >> >> > with the WDK.
> >> >> >
> >> >> >
> >> >> > I guess im just lost as to where to start with creating the Port,
> >> once
> >> >> i
> >> >> > compile the C Code for the port monitor would that create an inf
> >> file?
> >> >> >
> >> >> > From what i understood in your email your advising that I write a
> >> >> bridge
> >> >> > program that creates the temp file of the input(Stdin) that it
> >> >> receives
> >> >> > from RedMon and then call Ghostscript to create the PDF from the
> >> temp
> >> >> > file, and although Ghost script does this its better if I am in
> >> >> control of
> >> >> > this process incase of bugs or crashes.
> >> >> > so the first thing i need to do is create the Redmon that would
> >> >> redirect
> >> >> > to my program instead of Ghostscript and although i know i can just
> >> do
> >> >> > that via the configure in the port menu I would muh rather get
> >> stuck
> >> >> in!
> >> >> > and start learning by playing around with it.
> >> >> > how do i create the inf file for my new redirection port though?
> >> >> > RegardsSam
> >> >> >> Date: Wed, 7 Apr 2010 12:13:19 +0100
> >> >> >> Subject: [WinPrnDev] Re: Creating a Printer Driver
> >> >> >> From: clinton@xxxxxxxxxxxxxx
> >> >> >> To: winprndev@xxxxxxxxxxxxx
> >> >> >>
> >> >> >> Hi Sam,
> >> >> >> If I remember correctly. REDMON can output to stdout ( Program
> >> >> handles
> >> >> >> output ). So you would need to create a little app ( C would do ),
> >> >> that
> >> >> >> accepts stdin, creates a TEMPFile and then calls Ghostscript to
> >> >> create
> >> >> >> the
> >> >> >> PDF ( another Temp ). This then can be "remotely sent".
> >> Technically
> >> >> >> GhostScript can accept stdin stdout, BUT I do advise you
> >> controlling
> >> >> the
> >> >> >> file creation ( if something goes wrong, you know where ) and
> >> passing
> >> >> >> these as parameters to the PDF driver type.
> >> >> >>
> >> >> >> Hope it helps!
> >> >> >> Clinton
> >> >> >> PS: I read in a previous email someone saying that Microsoft were
> >> >> trying
> >> >> >> to remove sockets/ports, this I don't think will ever happen as
> >> the
> >> >> >> spooler CORE is designed around this also CLUSTERED PRINTING only
> >> >> >> support
> >> >> >> TCP/IP printing ( which is socket based through ports )
> >> >> >>
> >> >> >> >
> >> >> >> > That sounds like much neater. OK so the next step is to
> >> actuallly
> >> >> >> learn
> >> >> >> > how Redmon works and modify it to launch a .Net application. I
> >> will
> >> >> >> also
> >> >> >> > need to learn how Ghostscript works and how to convert the
> >> >> Postscript
> >> >> >> file
> >> >> >> > produced to PDF, but what about naming. Does the port monitor
> >> know
> >> >> the
> >> >> >> > name of the document? or will it be overwritten?
> >> >> >> > RegardsSam
> >> >> >> >
> >> >> >> >> Date: Wed, 7 Apr 2010 11:33:36 +0200
> >> >> >> >> Subject: [WinPrnDev] Re: Creating a Printer Driver
> >> >> >> >> From: jjflash@xxxxxxxxx
> >> >> >> >> To: winprndev@xxxxxxxxxxxxx
> >> >> >> >>
> >> >> >> >> On Wed, Apr 7, 2010 at 11:29 AM, Sam Elamin
> >> >> <hussam_88@xxxxxxxxxxx>
> >> >> >> >> wrote:
> >> >> >> >> > So what if I print to a redmon port (RE1) which will redirect
> >> to
> >> >> >> >> ghostscript
> >> >> >> >> > which produces the PDF, then print the PDF to RedMon Port 2
> >> >> (RE2)
> >> >> >> and
> >> >> >> >> the
> >> >> >> >> > second port will print to a .NET application which was
> >> created
> >> >> >> soley
> >> >> >> >> to
> >> >> >> >> > upload a job.
> >> >> >> >>
> >> >> >> >> Or have RedMon Port 1 launch your .Net app that first spawns
> >> >> >> >> GhostScript to do the conversion and next upload the result
> >> >> >> somewhere?
> >> >> >> >>
> >> >> >> >> ;)
> >> >> >> >>
> >> >> >> >> --
> >> >> >> >> Rune
> >> >> >> >> ---
> >> >> >> >> Questions? First check the UndocPrint pages at
> >> >> >> >> http://www.undocprint.org/winspool
> >> >> >> >>
> >> >> >> >> To unsubscribe, visit the List Server page at
> >> >> >> >> //www.freelists.org/list/winprndev
> >> >> >> >
> >> >> >> > _________________________________________________________________
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> >> >> >> > Do you have a story that started on Hotmail? Tell us now
> >> >> >>
> >> >> >>
> >> >> >> ---
> >> >> >> Questions? First check the UndocPrint pages at
> >> >> >> http://www.undocprint.org/winspool
> >> >> >>
> >> >> >> To unsubscribe, visit the List Server page at
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> >> >> >
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> >>
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> >>
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> >
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>
> ---
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>
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