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https://issues.apache.org/jira/browse/PDFBOX-3523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15552345#comment-15552345
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ASF subversion and git services commented on PDFBOX-3523:
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Commit 1763621 from [~tilman] in branch 'pdfbox/branches/2.0'
[ https://svn.apache.org/r1763621 ]
PDFBOX-3523: disable high quality interpolation if image is scaled up by ctm
AND xform (temporary commit)
> PDFBox renders images 5 times slower and bigger
> -----------------------------------------------
>
> Key: PDFBOX-3523
> URL: https://issues.apache.org/jira/browse/PDFBOX-3523
> Project: PDFBox
> Issue Type: Improvement
> Affects Versions: 2.0.3
> Environment: Java version 1.8
> Ubuntu Linux&Windows 10
> Reporter: Vasiliy Sadokhin
> Labels: performance
> Attachments: OldPdfUtils.java,
> PDFBOX-2302-mori-cvpr01.pdf-7-with-change.png,
> PDFBOX-2302-mori-cvpr01.pdf-7.png, PdfUtils.java, old_test.png,
> sigice9_172.Adobe.pdf-1-with-change.png, sigice9_172.Adobe.pdf-1.png,
> test.pdf, test.png
>
>
> We recently migrated PDFBox from 1.8.13 to 2.0.3. We found that it becomes 5
> times slower to get a PDF page image and the image is 5 times bigger than
> PDFBox 1.8 did. For example, It took about 200ms and now it takes more than 1
> second, the result size was less 200Kb and it's 1Mb now.
> We specified BufferedImage.TYPE_3BYTE_BGR for PDFBox 1.8 and we have no way
> to do it with 2.x. It might be a reason.
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