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Old 04-10-2016, 02:35 AM   #1
Michael Uplawski
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Confusion. PDF export with OpenType fonts


Good morning.

What I understand of the current situation is based on my own observations and the information of the SoftMaker CEO who happens to be also an expert in fonts.
  • Office-suites export documents to PDF
  • There are issues with OpenType fonts
  • Different office-suites handle the problems differently
  • LibreOffice converts OpenType to type1 upon PDF-export
  • ... and this appears to work sometimes...
  • Apparently there is no definite way to embed OpenType in PDF
Can you enlighten me on this topic, the history, maybe and give an estimate on the future? Currently OpenType fonts look like a bad choice for embedding in PDF, a situation that I find quite unsupportable.

P.S.: I forgot. I do not have the current SoftMaker-Office 2016, but their choice has been to call fontforge (if installed) to convert OpenType to TrueType, instead... What is better. And why do I have to bother?

Last edited by Michael Uplawski; 04-10-2016 at 02:38 AM.
 
Old 04-10-2016, 05:37 AM   #2
widget
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I have found that Liberation Font is the best replacement for MS font. You can also get MS Font. You will be asked to sign an EULA before it will install. What you actually install is a Win font installer that then downloads the font and installs it on your system.

I have never used that. I have never had a problem with PDFs either.

I do recommend, highly, the pdf tool okular, yes it is a KDE product. Yes it will install some qt and KDE depends. Well worth it.
 
Old 04-10-2016, 01:58 PM   #3
Michael Uplawski
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@widget: What do you know about OTF embedded in PDF?
 
Old 04-10-2016, 02:31 PM   #4
John VV
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Quote:
but their choice has been to call fontforge (if installed) to convert OpenType to TrueType, instead... What is better
why make a custom font ?
unless you ship this custom font with the pdf ,no one will be able to use it .

just set the system or program to use truetype , simple .
 
Old 04-10-2016, 04:08 PM   #5
widget
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Very little. Enough to get confused easily.
 
Old 04-11-2016, 06:18 AM   #6
Michael Uplawski
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Quote:
Originally Posted by John VV View Post
why make a custom font ?
unless you ship this custom font with the pdf ,no one will be able to use it .

just set the system or program to use truetype , simple .
You did not get my question. This is not a problem, but your answers are misleading. PSE, if you cannot tell me why OTF-fonts are a problem, and what may be the solution in the future, then stay tuned to this thread and learn, as I will. Nobody is talking about custom fonts. Get the concepts right, first.
Thank you.
 
Old 04-12-2016, 01:22 AM   #7
Michael Uplawski
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Pdf 1.6

Folks, I have had a hard time finding any more information on this topic as my connection is crappy at the moment.
But now I read in an article from 2010 on forums.adobe.com, that the PDF standard 1.6 allows full embedding of OTF-fonts, while before, the OTF-information had to be stripped and the fonts be embedded as either type1 or ttf.

I have to modify my initial questions: Does any of this apply to the PDF 1.4 standard which is supported by the command line tools that I use, or can this “stripping of OTF-information” only work on PDFs that comply to version 1.5? And which PDF-generating software for Linux produces PDFs that comply with version 1.6 of the standard?

My office-software also produces PDF 1.4.

And if printer-drivers do not support PDF 1.6, does it mean, that we should still abstain from embedding OTF?

My last question would then be: What is OTF good for?

Edit: I have played around with FontForge and get the impression, that we had not payed enough attention to the fonts. The idea of SoftMaker to convert all OTF fonts to TTF prior embedding, irrespective of the included font-data, is probably quite intelligent. The difficulty which arises from this practice is the following:
Most of the freely available fonts are miserably conceived and contain a bunch of errors, that FontForge cannot condone. The fact, that they are however usable in documents cannot be an argument for someone who accepts the responsibility to claim that the same, -until then undiscovered-, errors will not lead to the destruction of the document upon conversion.

Do you know of any font-converters which are not online?
Such a tool would allow me to convert the OTF-font more rapidly and to verify the quality of the resulting TTF, prior use.

Last edited by Michael Uplawski; 04-12-2016 at 02:23 AM.
 
Old 04-19-2016, 06:23 AM   #8
Michael Uplawski
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I describe a workaround in a new blog-entry. Stay tuned... if my wife returns from work, I will have to do other things for a while, but the article should appear as my seventh (7) blog entry today... wait... Darn! We are invited somewhere for dinner. Okay, it will be today or tomorrow. Short version: “Use libtiff and ghostscript“. And the hen house needs cleaning... oh hell.
 
Old 12-25-2016, 05:25 PM   #9
Michael Uplawski
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I had forgotten this thread, but my announced blog-entry is here: Create Images from PDF and recreate PDF from Images

And [solved] for now. Another conclusion: Ignore OTF and continue to use true-type fonts for PDF.
 
  


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