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Posted to dev@pdfbox.apache.org by "Alfred (Jira)" <ji...@apache.org> on 2020/07/15 10:59:00 UTC
[jira] [Commented] (PDFBOX-4916) Use dedicated scale and translate
operations instead of concatenate where possible
[ https://issues.apache.org/jira/browse/PDFBOX-4916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17158079#comment-17158079 ]
Alfred commented on PDFBOX-4916:
--------------------------------
This is the patch: [^PDFBOX-4916.patch]
This is the review: https://diffy.org/diff/2t2i5xw7fyhmykjdnp34kxd2t9
> Use dedicated scale and translate operations instead of concatenate where possible
> ----------------------------------------------------------------------------------
>
> Key: PDFBOX-4916
> URL: https://issues.apache.org/jira/browse/PDFBOX-4916
> Project: PDFBox
> Issue Type: Improvement
> Components: Text extraction
> Affects Versions: 2.0.20, 3.0.0 PDFBox
> Reporter: Alfred
> Priority: Minor
> Attachments: PDFBOX-4916.patch
>
>
> LegacyPDFStreamEngine does translating and scaling using the generic concatenate matrix ops.
> A scale or a translate require much less multiplications and so there's room to improve there.
> I have the code ready and I will submit a patch right away.
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