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https://issues.apache.org/jira/browse/PDFBOX-3676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852902#comment-15852902
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Tilman Hausherr commented on PDFBOX-3676:
-----------------------------------------
work hypothesis 1: that the "rrcurveto" in the sequence for "A" are a symptom
of something really bad happening. After going through the byte sequence near
that place it shows that the "rrcurveto" is really there (commands are small
numbers). Using a ruler on the "A" after having printed a screenshot from
Acrobat it shows that there is a curve after all.
work hypothesis 2: something's wrong with the "CALLSUBR". Indeed: there is 29 4
CALLSUBR but subrs.size() is 0. There is no error handling for that, it just
goes on. What was missing was to clean up the numbers. After doing that the
page renders properly.
> Bad glyph rendering of type 1 font
> ----------------------------------
>
> Key: PDFBOX-3676
> URL: https://issues.apache.org/jira/browse/PDFBOX-3676
> Project: PDFBox
> Issue Type: Bug
> Components: FontBox, Rendering
> Affects Versions: 2.0.4
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Labels: type1, type1font
> Attachments: PDFBOX-3676.jpg, PDFBOX-3676.pdf
>
>
> Bad glyph rendering for attached PDF file
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