[Poppler-bugs] [Bug 78990] New: PDF Text hinting does not work for embedded otf fonts (CID Type 0C), does work for truetype.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78990

          Priority: medium
            Bug ID: 78990
          Assignee: poppler-bugs at lists.freedesktop.org
           Summary: PDF Text hinting does not work for embedded otf fonts
                    (CID Type 0C), does work for truetype.
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: ce0c5679c447a438 at spamherelots.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: general
           Product: poppler

Created attachment 99453
  --> https://bugs.freedesktop.org/attachment.cgi?id=99453&action=edit
repro pdf

Moved here from the okular/KDE bugtracker:
https://bugs.kde.org/show_bug.cgi?id=335058

Description
=== 

The attached pdf was created using XeLatex and includes two versions of the
same font, one taken from the original otf and the second from a ttf file
converted from the original using fontforge.
Viewing this pdf in okular/evince on my system reuslts in the otf embedded font
CID type 0c) not being hinted regardless of settings, while the ttf font is
hinted by default (and responds to hinting toggled in okular).

I've seen the same with at least one other font, the problem does not occur
with adobe acorbat reader and the okular guys pointed out that all rendering is
handled by poppler.

I'm attaching a screenshot and the pdf.

Environment 
=== 

This manifests on an updated fedora 20 x86-64 system, which contains the 0.18.5
version of okular and poppler 0.24.3. The same problem occurs in evince.

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