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https://issues.apache.org/jira/browse/PDFBOX-4402?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16716600#comment-16716600
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Itai Shaked commented on PDFBOX-4402:
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I have not tried it, although in theory it should work but only for the most
simple cases (i.e. a single RTL language with no hyphenation and other
languages mixed in).
For more complex cases there is probably no alternative to using an
implementation of the Unicode BiDi algorithm, which is quite complicated but
works well (or at least - is consistent with most current software). You can
try using
[ICU4J|http://icu-project.org/apiref/icu4j/com/ibm/icu/text/Bidi.html] assuming
you want a Java solution.
Even with such solutions existing it may be beneficial to (at some point in the
future) support RTL internally in PDFBox, as strings in files thus created will
be reversed, so users opening the PDF in a viewer will have to search for the
string םולש whenever they want to find שלום etc.
> Write RTL text in reversed order
> --------------------------------
>
> Key: PDFBOX-4402
> URL: https://issues.apache.org/jira/browse/PDFBOX-4402
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.13
> Reporter: steve neo
> Priority: Major
> Labels: RTL
> Attachments: Screen Shot 2018-12-10 at 2.03.46 pm.png
>
>
> I use PDPageContentStream.showText() to write string to PDF. It doesn't work
> for RTL text, for example Hebrew, all text are written in reversed order.
> See attached example screenshot.
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