Re: GS 7.05 / PDF & pages count

[Russell Lang]

"Pascal Chapuis" <address@hidden> wrote in message
news:address@hidden
> Here's what i'm doing :
>
> I print on a pseudo printer (postscript compliant) to get a spool file
> (.SPL) which one I intercept.
>
> I convert it to PDF with "gsapi_init_with_args" with argv:
>
ps2pdf -dNOPAUSE -q - -dBATCH -dSAFER -sDEVICE=pdfwrite -sOutputFile=Test.PD
> F  TEST.SPL
>
> and call "gsapi_run_string" (on PS file) with :
>  "statusdict /pagecount known {statusdict begin pagecount 10 string cvs
> print end flush} if"
>
> Then a  TStdioFunction output callback function (set in gsapi_set_stdio)
is
> called with OutputValue (%%Page...).
> I parse this OutputValue to find out the greater page number.
>
> Is there a shorter way to do that or is this correct ?

That's a reasonable way to get the true page count of a PostScript
file (unless somebody wrote some code that produces a random
number of pages).

> PS: I can't get the pages number with Pdf page object because it's
> unavailable with only "Acrobat Viewer"... The COM object implementation
> seems to be in "Acrobat" or "Acrobat Exchange" and I don't want to deploy
> extra software with my solution.

I have recently written some code to scan PDF files to extract
the page count and each page orientation and size.
Send me email if you are interested in using this.
My email address is in the GSview documentation.