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https://issues.apache.org/jira/browse/PDFBOX-5987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17944456#comment-17944456
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Daniel Persson edited comment on PDFBOX-5987 at 4/14/25 8:29 PM:
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Hi Tilman.
Not sure how often this is used in the wild. But we have switched over to use
PDFBox rendering more in our systems from Poppler and the last week I had at
least 7 cases from different newspapers / magazines that had the issue. So
there is definiatly PDFs produced with this issue. So if we find a solution, I
can checkout that commit / branch and try it with more cases to verify.
Best regards
Daniel
was (Author: kalaspuffar):
Hi Tilman.
Not sure how often this is used in the wild. But we have switched over to use
PDFBox rendering more in our systems from Poppler and the last week I had at
least 7 cases from different newspapers / magazines that had the issue. So
there is definiatly PDFs produced with this issue. So if we find a solution, I
can checkout that commit and try it with more cases to verify.
Best regards
Daniel
> Can't render some Type1 fonts.
> ------------------------------
>
> Key: PDFBOX-5987
> URL: https://issues.apache.org/jira/browse/PDFBOX-5987
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 3.0.4 PDFBox
> Reporter: Daniel Persson
> Priority: Minor
> Attachments: PDFBOX-5987.cff, PDFBOX-5987_reduced.pdf,
> font-issue.pdf, screenshot-1.png
>
>
> This PDF seems to have a font rendering issue in PDFBox.
>
> I've used both Poppler and Chrome to view the PDF, and it renders correctly.
> Stepping through the code on the first character, I see that we have a
> rendering list with commands that end in
> -40 41 DIV -41 21 DIV CLOSEPATH ENDCHAR
>
> This is not correct if you look at the byte sequence that ends in
> 12 98 -89 12 12 -117 8 14
>
> Could be interpreted as
> -127 -41 28 -127 -127 0 RRCURVETO ENDCHAR
>
> So perhaps there is an off-by-one error somewhere or something?
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