[Poppler-bugs] [Bug 96514] New: Text is scrambled after certain fontRefs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96514

            Bug ID: 96514
           Summary: Text is scrambled after certain fontRefs
           Product: poppler
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: bhs2007 at gmail.com

Created attachment 124515
  --> https://bugs.freedesktop.org/attachment.cgi?id=124515&action=edit
PDF file demonstrating the bug

I've encountered a PDF that Poppler renders improperly, scrambling text on
entire pages.

I recently reported the same issue to PDF.JS, and a fix was implemented. Here
are links from that discussion:

- The issue: https://github.com/mozilla/pdf.js/issues/7403
- The fix: https://github.com/mozilla/pdf.js/pull/7347
- Reduced test case PDF demonstrating the bug:
https://github.com/Snuffleupagus/pdf.js/raw/d47c9f36f8b9b68d40496cf8a225816eea06fc38/test/pdfs/issue7403.pdf

I've attached the same PDF that I originally included in the above GitHub
issue. In Poppler-based renders and conversions, the corruption is obvious in
later pages (3-5).

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