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List: kde-promo
Subject: Re: [kde-promo] booklet
From: Felix Michel <felix_michel () gmx ! ch>
Date: 2010-09-15 10:52:03
Message-ID: 201009151252.03613.felix_michel () gmx ! ch
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> On Tue, Sep 14, 2010 at 10:37 AM, Felix Michel <felix_michel@gmx.ch> wrote:
> > sorry,
> >
> > so i failed to upload it correctly.
> >
> > my fault. now it should be up.
> >
> > cheers
> >
> > felix
> >
> > here the link again:
> >
> > http://community.kde.org/File:Kde_booklet.pdf
>
> Hi,
>
> it looks very nice so far. ;-)
>
> However, it would be an eternal pity, if this nice work was spoiled for
> users by some "technical" problems. I notice it is made with "Adobe
> InDesign CS3 (5.0)". Due to some ugly personal experience with some
> CS3/CS4 created PDFs in the past, I think that *could* lead to problems
> when you try to print it on "cheap" home printers, or when you try to
> otherwise process it. Also, some (older) PDF viewers may have rendering
> problems with some areas (esp. if you use transparencies and other fancy
> graphical design elements).
>
> I don't have currently access to some real "PDF preflight" tools. Therefor
> I'm resorting to "poor man's preflighting". (Sorry if this gmail is sent
> from Windows and is HTML-formatted -- I've no idea how it arrives in your
> inboxes after having passed through the mailing list filters. If it is
> garbled, and if you have a real interest in what I'm talking about, just
> re-apply the CLI commands I used and look yourself at the results --
> they'll work 1:1 the same on *nix after replacing 'gswin32c' with 'gs'):
>
> C:\downloads> *pdfinfo Kde_booklet.pdf*
> Creator: Adobe InDesign CS3 (5.0)
> Producer: Adobe PDF Library 8.0
> CreationDate: 09/14/10 01:01:48
> ModDate: 09/14/10 01:01:52
> Tagged: yes
> Pages: 7
> Encrypted: no
> Page size: 419.528 x 595.276 pts
> File size: 580785 bytes
> Optimized: no
> PDF version: 1.4
>
> Here's one real world problem with it. I've used "pdffonts" (like "pdfinfo"
> from XPDF) to check which fonts the PDF uses, and if they are embedded or
> not:
>
> C:\downloads> *pdffonts Kde_booklet.pdf*
> name type emb sub uni object
> ID ------------------------------------ ----------------- --- --- ---
> --------- NGRVKY+Swiss721BT-Light TrueType yes yes
> yes 21 0 QFAGAS+Anivers-Regular Type 1C yes
> yes yes 19 0 *Error: Illegal entry in bfchar block in ToUnicode CMap*
> TQHQQM+Swiss721BT-LightItalic TrueType yes yes yes 33
> 0
>
> The problem is located on page 4, specifically:
>
> C:\downloads> *pdffonts -f 4 -l 4 Kde_booklet.pdf *
> name type emb sub uni object
> ID ------------------------------------ ----------------- --- --- ---
> --------- *Error: Illegal entry in bfchar block in ToUnicode CMap*
> NGRVKY+Swiss721BT-Light TrueType yes yes yes 21
> 0 TQHQQM+Swiss721BT-LightItalic TrueType yes yes yes
> 33 0 QFAGAS+Anivers-Regular Type 1C yes yes yes
> 19 0
>
> As you can see by looking at each page separately, page 4 is the only one
> that uses font "TQHQQM+Swiss721BT-LightItalic", it may be a problem with
> the font itself. All other pages use the other two mentioned fonts only.
> Re-distilling the PDF with Ghostscript and its default parameter settings
> (which may re-sample some embedded image types at 72dpi resolution)
> succeeds to remove the problem for me, but it has some little
> "side-effect" (you need to decide if these are welcome ones or are rather
> un-wanted):
>
> C:\downloads> *gswin32c -o Kde_booklet_redistilled_by_Ghostscript.pdf
> -sDEVICE=pdfwrite Kde_booklet.pdf*
> GPL Ghostscript 8.71 (2010-02-10)
> Copyright (C) 2010 Artifex Software, Inc. All rights reserved.
> This software comes with NO WARRANTY: see the file PUBLIC for details.
> Processing pages 1 through 7.
> Page 1
> Page 2
> Page 3
> Page 4
> Page 5
> Page 6
> Page 7
>
> C:\downloads> *pdffonts Kde_booklet_redistilled_by_Ghostscript.pdf*
> name type emb sub uni object
> ID ------------------------------------ ----------------- --- --- ---
> --------- MPJPKX+Swiss721BT-Light TrueType yes yes
> no 19 0 CNTMXN+Anivers-Regular Type 1C yes
> yes no 14 0 IOYBEW+Swiss721BT-LightItalic TrueType
> yes yes no 35 0
>
> Nice, all the fonts are still embedded, using the same names, and none has
> suffered conversion into a different type. Now the "side effects":
>
> C:\downloads> *pdfinfo Kde_booklet_redistilled_by_Ghostscript.pdf*
> Producer: GPL Ghostscript 8.71
> CreationDate: 09/15/10 09:14:03
> ModDate: 09/15/10 09:14:03
> Tagged: no
> Pages: 7
> Encrypted: no
> Page size: 419.528 x 595.276 pts
> File size: 191791 bytes
> Optimized: no
> PDF version: 1.4
>
> In detail:
>
> - InDesign's signature in the metadata is gone. ;-)
> - File size has shrinked from ~580 kBytes to ~190 kBytes
>
> I don't see any visible difference in Acro Reader 9.3.3 on WinXP at 96dpi
> screen resolution and 200% Zoom other than a smaller degradation in the KDE
> logo at the top of each page. But this could be improved or kept at same
> quality by adding some appropriate tweaking parameters to the Ghostscript
> commandline (without much more finetuning, first try by adding
> -dPDFSETTINGS=/prepress).
>
> Cheers,
> Kurt
thanks Kurt. i only used this font once and it is not really useful for my
purpose because i need a bold version of this font. i am new at this whole pdf
printing stuff, so i am happy to get some hints. maybe we should provide to
versions, one without indesign signature and so on and the other one for
printing the booklet. what do you think?
cheers
felix
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