[Poppler-bugs] [Bug 88939] New: check required hmtx in TTF

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88939

            Bug ID: 88939
           Summary: check required hmtx in TTF
           Product: poppler
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: info at dv2c.ru

Created attachment 113098
  --> https://bugs.freedesktop.org/attachment.cgi?id=113098&action=edit
Fix bug font wrong codepage

In MS specification TTF in
https://www.microsoft.com/typography/tt/ttf_spec/ttch02.doc clean write: table
'hmtx(horizontal metrics)' is required. And in
https://www.microsoft.com/typography/tt/ttf_spec/ttch03.doc this required too.
But font without hmtx exist (mostly as embedded font in pdf). I have that
example pdf - on Windows they open without any problems but in linux - font is
adsent.

I create bug in "FreeType Project"
https://savannah.nongnu.org/bugs/index.php?44169

, but after (if it will be fixed) pdf anyway not opening correct.

With that simply patch (and patched freetype2 from
https://savannah.nongnu.org/bugs/index.php?44169) pdf be opening correctly and
font visible and readable.

Thet bug with buggy pdf exist in MuPDF
http://bugs.ghostscript.com/show_bug.cgi?id=695690

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