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Posted to fop-dev@xmlgraphics.apache.org by "Joao Goncalves (Jira)" <ji...@apache.org> on 2025/09/05 22:42:00 UTC

[jira] [Reopened] (FOP-3171) Certain PNG images (grayscale, transparent) produce broken PDF

     [ https://issues.apache.org/jira/browse/FOP-3171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joao Goncalves reopened FOP-3171:
---------------------------------

> Certain PNG images (grayscale, transparent) produce broken PDF
> --------------------------------------------------------------
>
>                 Key: FOP-3171
>                 URL: https://issues.apache.org/jira/browse/FOP-3171
>             Project: FOP
>          Issue Type: Bug
>          Components: image/png
>    Affects Versions: 2.8
>            Reporter: Martin Leitner
>            Priority: Major
>         Attachments: document.fo, fop_2.6_ok.pdf, fop_2.7_ok.pdf, fop_2.8_nok.pdf, fop_2.9_nok.pdf, number.png
>
>
> Rendering the attached document, which references the also attached image, produces a broken PDF in version 2.8 and 2.9. Depending on the PDF viewer, the image is distorted, or is shown with a large black bar at the bottom, or is shown three times, or is not shown at all. In some viewers, the content following the image is not shown.
> Up until version 2.7 the resulting PDF was fine. Generated PDFs are attached.
> The image in question was auto-generated by a customer. If this cannot be fixed easily, it may help to know what property of the image causes the problem for finding a workaround.



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