Re: JPEG to PDF question

From	Mark Carroll <mtbc@bcs.org>
Newsgroups	comp.lang.postscript
Subject	Re: JPEG to PDF question
Date	2019-04-12 07:15 +0100
Organization	none
Message-ID	<87bm1blpf3.fsf@ixod.org> (permalink)
References	<eli$1904061719@qaz.wtf> <AA2A973D375D4EAC2E284CEEC009E394A9D7@127.0.0.1> <87d0lsfbjr.fsf@hemphills.net> <eli$1904112032@qaz.wtf>

Show all headers | View raw

On 12 Apr 2019, Eli the Bearded wrote:
(snpi)
> 81K JPEG -> djpeg -> 958K PPM (binary encoded raw bitmap)
> 958K PPM -> pnmtops -> 2.0M PS (ascii encoded raw bitmap)
> 2.0M PS -> ps2pdf -> 41K PDF (embedded binary JPEG)
>
> And the PS has the image rotated ninety degrees counter-clockwise
> (which, naturally, remains turned in the PDF). The image in this case
> was landscape format, and is now portrait format. My statement.jpg had
> been portrait oriented to begin with.

pnmtops has a -noturn option.

> The PDF has a lot of JPEG artifacts. I'd probably want to check the
> output carefully if using this for submitting photos of documents
> through web portals.

ps2pdf has a -dPDFSETTINGS=/prepress option which can help.

-- Mark

Back to comp.lang.postscript | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

JPEG to PDF question Eli the Bearded <*@eli.users.panix.com> - 2019-04-06 21:33 +0000
  Re: JPEG to PDF question John Forkosh <forkosh@panix.com> - 2019-04-07 06:39 +0000
  Re: JPEG to PDF question Guy <guy@guysalias.tk.invalid> - 2019-04-07 14:52 -0500
    Re: JPEG to PDF question Eli the Bearded <*@eli.users.panix.com> - 2019-04-07 21:54 +0000
      Re: JPEG to PDF question ken <ken@spamcop.net> - 2019-04-08 10:30 +0100
      Re: JPEG to PDF question Martin Leese <please@see.Web.for.e-mail.INVALID> - 2019-04-08 10:24 -0600
      Re: JPEG to PDF question Javier <invalid@invalid.invalid> - 2019-04-10 18:10 -0500
        Re: JPEG to PDF question luser droog <luser.droog@gmail.com> - 2019-04-10 18:01 -0700
        Re: JPEG to PDF question ken <ken@spamcop.net> - 2019-04-11 10:50 +0100
    Re: JPEG to PDF question Scott Hemphill <hemphill@hemphills.net> - 2019-04-11 17:59 -0400
      Re: JPEG to PDF question luser droog <luser.droog@gmail.com> - 2019-04-11 16:03 -0700
      Re: JPEG to PDF question Eli the Bearded <*@eli.users.panix.com> - 2019-04-12 00:33 +0000
        Re: JPEG to PDF question Mark Carroll <mtbc@bcs.org> - 2019-04-12 07:15 +0100
  Re: JPEG to PDF question orr721@gmail.com - 2019-06-16 07:11 -0700

csiph-web