[jira] [Updated] (XGC-134) Some PNGs are rendered incorrectly (Regression 2.7 -> 2.8)

["mt (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/XGC-134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

mt updated XGC-134:
-------------------
    Attachment: broken.txt
                fixed.txt

> Some PNGs are rendered incorrectly (Regression 2.7 -> 2.8)
> ----------------------------------------------------------
>
>                 Key: XGC-134
>                 URL: https://issues.apache.org/jira/browse/XGC-134
>             Project: XMLGraphicsCommons
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 2.8
>         Environment: Java 17.0.5 (Adoptium Temurin) on Windows x64.
>            Reporter: mt
>            Priority: Critical
>         Attachments: broken.txt, fixed.txt, xgc_2.7_correct-1.png, xgc_2.8_wrong-1.png
>
>
> After upgrading our application from FOP 2.7 to FOP 2.8 we noticed that some PNG files are not rendered correctly in the PDF. While I initially thought this was a problem in FOP, I can reproduce this with FOP 2.7 + XGC 2.8, so I guess it must be an issue in XGC 2.8 .
> Unfortunately I can't share the exact PNG file because it contains the logo of one our customers. When I try to modify the PNG in any way, I can't reproduce it anymore. I also couldn't find another PNG to reproduce this with.
> Basically the PNG is rendered 3 times horizontally and a black bar appears below the 3 images. I attached a comparison between XGC 2.7 and XGC 2.8 . These are (obviously modified) screenshots of the PDF generated by FOP.
> There were hardly any changes between XGC 2.7 and 2.8. Looks like this may be related to XGC-132 ?
> This is with Java 17.0.5 (Adoptium Temurin) on Windows x64.



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