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https://issues.apache.org/jira/browse/PDFBOX-2252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126816#comment-14126816
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Andreas Lehmkühler commented on PDFBOX-2252:
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The signature of the method PDFTextStripper#writeLine should be changed. The
boolean parameter is no longer needed, the whole LTR/RTL stuff is done in
PDFTextStripper#normalize.
And yes, we need an implementation which handles LTR/RTL for each single word
separately. Any patches are welcome.
> PDFTextStripper has problem with bilingual documents
> ----------------------------------------------------
>
> Key: PDFBOX-2252
> URL: https://issues.apache.org/jira/browse/PDFBOX-2252
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 1.8.6
> Reporter: Amir
> Priority: Critical
> Attachments: test.pdf
>
>
> When the input document of PDFTextStripper is a combination of right-to-left
> and left-to-right languages, the output characters of one language is
> reversed.
> A sample bilingual pdf document is attached.
> PDFTextStripper has a variable "isRtlDominant" in "writePage" function, which
> is defined as follows: boolean isRtlDominant = rtlCount > ltrCount;
> This class clearly count the number of rtl characters and decide if the whole
> content should be revered or not. It's not true, it must operate on each
> word, not the whole document.
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