Comes from: http://bugs.kde.org/show_bug.cgi?id=184442 Wish/bug? The problem is related to all pdf generated with latex. Consider letter U, in kpdf I see vertical lines like | | when I zoom in I see || || they are thicker. In Okular it is different, it is always something like this: || | one thick, one thin. Also the are other effects, like in small zoom, I see text quite clearly, I zoom in, and the quality is worse -- some lines (of the font) are super thick -- like horizontal dash in "e". Only in huge zoom Okular quality is on par with kpdf. Ss follows, note the in first ss the small letter "s", how ugly this is rendered. In zoom in compare okular and kpdf -- letter "a", in kpdf the "a" is "open", when in okular "a" is almost closed. Btw. now I see that poppler is based on xpdf, and xpdf had bad rendering since I remember, so it is not new problem (i.e. related to this or that frontend).
Created attachment 22983 [details] example pdf
Created attachment 22984 [details] okular, fit page zoom
Created attachment 22985 [details] okular, zoom in
Created attachment 22986 [details] kpdf, zoom in
Versions: opensuse 11.1 KDE 3.5.10 kde4-okular-4.2.0-71.8 libpoppler-qt4-3-0.10.1-1.4 libpoppler4-0.10.1-1.4 poppler-tools-0.10.1-1.4 libpoppler-glib4-0.10.1-1.4 libpoppler-qt2-0.10.1-1.4 libqt4-4.4.3-4.7
I've have to sincerely admit i can't see any of the problems you mention in the attached screenshots, can you attach newer ones painting over them and pointing the problems exactly?
Created attachment 23305 [details] kpdf-a
Created attachment 23306 [details] okular-a
OK, so step by step. I added comparison between okular "a" and kpdf "a". Notice that in okular the "cap" of a almost closes the letter (it touches bottom "o"). In kpdf the letter is more open, thus more clear while zooming in/out. The pdf file is of course the same (single file).
Should be fixed in poppler >= 0.12.1 please reopen if you still feel rendering is bad
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