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https://issues.apache.org/jira/browse/PDFBOX-4029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16280865#comment-16280865
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Tilman Hausherr commented on PDFBOX-4029:
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At that time, yes, it improved some files and didn't harm the rendering of
"good" files. But I'll retest and compare with your change. There have been new
test files since then.
> Rendering transparency groups (remaining files)
> -----------------------------------------------
>
> Key: PDFBOX-4029
> URL: https://issues.apache.org/jira/browse/PDFBOX-4029
> Project: PDFBox
> Issue Type: Sub-task
> Components: Rendering
> Affects Versions: 2.0.7, 2.0.8
> Environment: Windows 10
> Reporter: savan patel
> Labels: patch
> Attachments: PDFJS-5526-p11-13.pdf, PDFJS-5526-p13_reduced1.pdf,
> PageDrawer.java.patch, gs-bugzilla692217_reduced.pdf
>
>
> i have gone through the "[PDFBOX-3000] Transparency Group issues"...
> and there are some issues in pdfs that i have attached...
> Every time showTransparencyGroup() method is called the current graphics is
> translated by (x*xScale and y*yScale) which i assume is wrong.
> I think when transparencyGroup comes in pattern stream, then current graphics
> should not changed. as well as when patterns are nested then no need to
> change the parent graphics.
> i tried to fix it. i have attached the patch...
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