Re: Another setscreen puzzle.

On Jul 13, 1:31 pm, Gerhard Fuernkranz <nospam...@xxxxxx> wrote:
Ross Presser wrote:
So, is there a way to set a screen for ghostscript without converting
my pdf to postscript and editing it? I tried putting the line above
into setscreen.ps and running

gswin32c -dNOPAUSE -dBATCH -sDEVICE=tifflzw -r1200 -
sOutputFile=test.tif setscreen.ps input.pdf

but got the ordinary square dither, not a round dot halftone.

Any other ideas?

Note that the halftone screen is reset to its default at the start of
each page. So you also need to install your screen as default. Try to
put something like

%!PS
<< /HalftoneMode 0 >> setuserparams
<<
...contents of your halftone dictionary...
>>
/Default exch /Halftone defineresource
sethalftone
<< /HalftoneMode 1 >> setuserparams

into your setscreen.ps.

Regards,
Gerhard

Thanks, that was exactly it.

.

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