[Poppler-bugs] [Bug 91772] New: Issue with text hinting of integral signs and parentheses

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91772

            Bug ID: 91772
           Summary: Issue with text hinting of integral signs and
                    parentheses
           Product: poppler
           Version: unspecified
          Hardware: Other
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: splash backend
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: philipp-dev at knechtges.com

Created attachment 117947
  --> https://bugs.freedesktop.org/attachment.cgi?id=117947&action=edit
Text hinting fails for integral signs

I am currently facing the issue that an Elsevier-provided pdf of a publication
of mine is not correctly rendered in Okular if text hinting is enabled (cf
attachment). The corresponding pdf can be retrieved from
http://authors.elsevier.com/a/1RQJJ1LkSZq5VP until September, 12 (afterwards,
it will unfortunately be hidden behind a paywall). Further testing with
qpdfview and poppler_qt5viewer unveil that it seems to be related to the text
hinting done in the Splash backend, since rendering without text hinting, as
well as the Arthur backend, give reasonably scaled integral signs and
parentheses. Evince and the used cairo backend do not seem to have this issue.
All tests have been performed with latest release 0.35.

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