qpdfview

strange characters before the font

Asked by Eduard Bürki

What do the strange characters before the font mean? Are they from qpdfview or from the font itself? Where do they come from?

Here is what I mean:
https://www.bilder-upload.eu/bild-dba60b-1590416772.png.html

Thank you for clarification.

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Adam Reichold (adamreichold) said : 		#1

Hello Eduard,

I am sorry to be unable to answer your question. AFAIK, these names do come directly from the PDF file and are set by the producer, i.e. I would try to figure the producer out via the document properties and continue from there.

Best regards,
Adam

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Eduard Bürki (eizeila) said : 		#2

Thank you for your kindly answer.

When I take the pdf from above an print it with my pdf printer ...

See here:
https://www.bilder-upload.eu/bild-f8ac60-1590425748.png.html

... and have again a look at the fonts in this printed PDF, then no font names are shown now:
https://www.bilder-upload.eu/bild-aeac5d-1590425759.png.html

Very strange.

(?)

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Adam Reichold (adamreichold) said : 		#3

I think this only reinforces that these font names are set by the producing application, i.e. "printing to PDF" means that a virtual printer application will produce a new PDF containing the same graphical elements while it is by no means bound to reproduce the original font embedding structure.

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