Anno domini 2022 Sun, 18 Sep 14:20:11 -0700
William Morder via tde-users scripsit:
>
> On Sunday 18 September 2022 12:36:20 Dr. Nikolaus Klepp wrote:
> > Anno domini 2022 Sun, 18 Sep 15:21:22 +0200
> > >
> > > One more mystery:
> > > I opened Voronoi in kpdf, still only formulas. Then I "Ctrl-P" that
> > > file and "preview" "print" ....surprise, surprise, the preview screen
> > > showed text plus embedded formulas perfectly!!
> > > AND the paper-printout of all! pages was also perfect.
> > > The culprit clearly is hidden in kpdf.
> >
> > Good find.
> >
> > I just tested that I can mark parts of the pdf, copy the text, and pasting
> > gives the expected content. Somehow kpdf renders the text
> > invisible/transparent/white.
> >
> > Nik
> >
>
> You may recall that we discussed how to change the colors in kpdf?
> settings / configure / accessibility / change colors
>
> What does kpdf do if you change these settings? i.e., you can force whatever
> colors you want, so maybe invisible characters can also be made to show
> themselves?
Oh, I totally forgot to test these. Well, no changes wahtever settings I choose in kpdf.
But there is another strange thing: I found that "dia" and "gimp" have problems with fonts, too. Gimp simply crashes with no meaningfull error ("ScriptFu error." - yeah, sure), when I try to change a text in "dia", all fonts (even the GUI menu) disappear or better become invisible, as the buttons and dialog items keep the correct size. The Errormessiage is in deed meaningful:
(dia:4223): Pango-WARNING **: 08:33:48.276: failed to create cairo scaled font, expect ugly output. the offending font is 'Bitstream Vera Sans 345593.26171875'
(dia:4223): Pango-WARNING **: 08:33:48.276: font_face status is: error occurred in libfreetype
(dia:4223): Pango-WARNING **: 08:33:48.276: scaled_font status is: error occurred in libfreetype
I don't understand why it tries to get a font of 345593.26171875 pt, but I could imagine that kpdf triggers the same error in libfreetype (libfreetype6:amd64 2.12.1+dfsg-3).
Nik
>
> Just a thought ...
>
> Bill
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