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https://issues.apache.org/jira/browse/PDFBOX-1216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Lehmkühler updated PDFBOX-1216:
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Attachment: PDFBOX1216-a1.png
> Arabic / Farsi (Persian) text appear disconnected when PDF is converted to
> image
> --------------------------------------------------------------------------------
>
> Key: PDFBOX-1216
> URL: https://issues.apache.org/jira/browse/PDFBOX-1216
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: Hamed Iravanchi
> Assignee: Andreas Lehmkühler
> Attachments: PDFBOX1216-a1.png, a.pdf
>
>
> When the PDF file contains Arabic / Farsi text, they appear disconnected when
> converting pages to image.
> Arabic / Farsi letters are connected to each other when written.
> Additionally, the error message "Changing font on <?> from <B Lotus> to the
> default font" appears on the console.
> As I tried to debug the issue, it is because PDFBox is looking into the
> embedded fonts for the "isolated" variation of the character, where the
> embedded font only includes "connected" variation.
> If the embedded font contains the isolated format too, the font is displayed
> correctly (the warning message doesn't appear for that character), but the
> character is displayed as the incorrect variation (i.e. isolated instead of
> connected)
> This happens in both 1.6.0 release and the latest trunk code (as of today). I
> didn't test previous versions.
> The difference is that in 1.6.0, the default font (that is substituted as
> mentioned above) contains the Arabic / Persian characters, but in the trunk,
> the replaced characters are displayed as squares.
> I will attach a PDF as an input for reproducing the issue.
> Note: this might be related to issue PDFBOX-1127, but that one regards text
> extraction.
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