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https://issues.apache.org/jira/browse/PDFBOX-4123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16375670#comment-16375670
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Tres Finocchiaro commented on PDFBOX-4123:
------------------------------------------
Thanks kindly for the reference document. I'm quoting the text for historical
purposes:
{quote}_[...] "PostScript is the grandaddy of PDF, and if you're reading about
printing you've already heard of it. It can represent text, vector graphics and
images, so if your PDF contains a vector shape it's going to be reproduced
almost exactly in PostScript. *Other graphics operations (like transparency)
can't be done in PostScript, and the Java print layer handles this by
rasterizing the page to a bitmap and including that bitmap in the spool file."
- © 2012 Jonathan Cookson, bfo.com*_
{quote}
Some questions:
# Is it safe to assume any Java/PostScript operations are upstream/wontfix?
# Has anyone successfully used PDFBOX to remove transparency for documents
(such as that attached in this bug report) to work around this issue?
# The attached document is using FPDI for the overlay operation. Has anyone
else experienced this problem with FPDI?
I'll have the original bug reporter on our side reach out to FPDI for some
assistance. Thanks kindly for the information. I understand if this bug will
be closed as the above evidence shows the issues lies outside of the PDFBOX
library however any assistance for creating a workaround is greatly appreciated.
> PDF will only print rasterized
> ------------------------------
>
> Key: PDFBOX-4123
> URL: https://issues.apache.org/jira/browse/PDFBOX-4123
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.8
> Reporter: Tres Finocchiaro
> Priority: Major
>
> [This PDF|https://github.com/qzind/tray/files/1749977/test.pdf] will only
> print rasterized. It looks fine in Adobe Reader, but once printed using
> PDFBOX, it will always print rasterized.
> Information about how the PDF was created (reported by a 3rd party, can get
> more details if needed):
> * Created with Adobe Illustrator
> * Form-filled programmatically using using FPDI
> * The PDF before FPDI does not experience this issue.
> Expected results (zoomed 24x):
> [!https://user-images.githubusercontent.com/6345473/36575790-d730b36e-181a-11e8-8eea-855b05383b2e.png!|https://user-images.githubusercontent.com/6345473/36575790-d730b36e-181a-11e8-8eea-855b05383b2e.png]
>
> Actual results:
> [!https://user-images.githubusercontent.com/12505463/36571015-c1ea7d5e-1802-11e8-8bfb-84983dd0479a.png!|https://user-images.githubusercontent.com/12505463/36571015-c1ea7d5e-1802-11e8-8bfb-84983dd0479a.png]
> Command used for testing:
>
>
> {noformat}
> java -jar /Users/owner/Downloads/pdfbox-app-2.0.8.jar PrintPDF -silentPrint
> -defaultPrinter PDFCreator -dpi 0 ~/Downloads/test.pdf{noformat}
> Also reproduced on CUPS-PDF, Microsoft Print To PDF
> The symptom from the business area was "slow printing", but this symptom was
> a side effect of a high resolution rasterization, causing the PDF to spool to
> about 800MB.
>
>
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