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https://issues.apache.org/jira/browse/PDFBOX-5307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17434672#comment-17434672
 ] 

Tilman Hausherr commented on PDFBOX-5307:
-----------------------------------------

The softmask at 
{code}
Root/Pages/Kids/[0]/Resources/XObject/fzFrm0/Resources/XObject/fullpage/Resources/XObject/Fm14/Resources/ExtGState/GS1/SMask/G
{code}
is mostly black because
{code}
q
  /GS0 gs
  220.3272 0 0 102.4838 237.90558 112.27924 cm
  q
    8.16326E-4 0 0 0.001754386 0 0 cm
    /XO1 Do
  Q
Q
{code}
produces nothing due to the very small CTM. The backdrop is mostly black, the 
last of the 4 CMYK numbers is 0.92.

A test with an empty softmask and no backdrop brings the same problem but Adobe 
shows the image.

> Image lost on page render
> -------------------------
>
>                 Key: PDFBOX-5307
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5307
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Rendering
>    Affects Versions: 2.0.24, 3.0.0 PDFBox
>         Environment: mac os
>            Reporter: Maksym
>            Priority: Major
>         Attachments: issue_file.pdf, issue_file_pdfbox_result.jpg, screenshot 
> from acrobat.png
>
>
> One image lost on page render (debug & PDFToImage commands)
> Pdf Looks correct in acrobat reader



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