[jira] [Commented] (FOP-3210) PDF Images - Empty pages when recombining split pages

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

    [ https://issues.apache.org/jira/browse/FOP-3210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17923707#comment-17923707 ] 

Rafael Witak commented on FOP-3210:
-----------------------------------

Thank you, [~jgoncalves], for your work! Unfortunately I can not confirm the patch to be working. 


I tried debugging to observe the effects on the AffineTransforms - and I found them unaffected by the patch! I have included screenshots that show the values for a left and a right page, both with patch:
!withPatch.png|width=234,height=110!

and without patch:
!withoutPatch.png|width=313,height=182!

> PDF Images - Empty pages when recombining split pages
> -----------------------------------------------------
>
>                 Key: FOP-3210
>                 URL: https://issues.apache.org/jira/browse/FOP-3210
>             Project: FOP
>          Issue Type: Bug
>         Environment: Windows 10 22H2
> Java 17
> FOP 2.8
> PDF Images 2.8
>            Reporter: Rafael Witak
>            Assignee: Joao Goncalves
>            Priority: Major
>         Attachments: PROFIL_20240803_SEITE_10.pdf, PROFIL_20240803_SEITE_11.pdf, PROFIL_20240803_SEITE_12.pdf, PROFIL_20240803_SEITE_13.pdf, PROFIL_20240803_SEITE_14.pdf, fo-1737383841596.xml, image-2024-10-08-14-48-27-218.png, images.patch, result.pdf, test.fo, withPatch.png, withoutPatch.png
>
>
> When trying to recombine the pages of certain PDFs that were previously split up (see PROFIL_20240803_SEITE_XX.pdf files), some pages remain white (see result.pdf). Those pages are the ones that were originally on a right-hand page. When inspecting the result using LibreOffice Draw, the right-hand pages are still there, but shifted to the right, outside of the printable area:
> !image-2024-10-08-14-48-27-218.png|width=963,height=649!
>  
> This behavior only occurs when setting <form-xobject>true</form-xobject>. Unfortunately, turning this setting off is out of the question, because it is our workaround for FOP-3137. 
> The original PDF was split up using PDF::API2 (which we use in all cases where qpdf can't read the file). 



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