19 Sep
2022
19 Sep
'22
6:58 a.m.
Ok, I found it: Not a TDE problem, but libreetype has a new bug that kills dia/gimp and
kpdf. The offending package is: libfreetype6:amd64 2.12.1+dfsg-3
The working package: libfreetype6:amd64 2.10.4+dfsg-1+deb11u1
Peter and all the other testers, could you check which version of libfreetype you have
installed?
Nik
Anno domini 2022 Mon, 19 Sep 08:38:20 +0200
Dr. Nikolaus Klepp scripsit:
Anno domini 2022 Sun, 18 Sep 14:20:11 -0700
William Morder via tde-users scripsit:
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On Sunday 18 September 2022 12:36:20 Dr. Nikolaus Klepp wrote:
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
Anno domini 2022 Sun, 18 Sep 15:21:22 +0200
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?
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
Just a thought ...
Bill
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