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https://issues.apache.org/jira/browse/PDFBOX-4189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457433#comment-16457433
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Maruan Sahyoun commented on PDFBOX-4189:
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[~tilman] a script typically represents the glyphs for one or more languages
with a default language setting (there are cases where a language is
represented by multiple scripts). So finding the correct script already helps
to get the correct table from the OTF. That alone is not sufficient for all
cases so we still need to provide a way to specify the language where one needs
to have a specific handling different to the default language within the
script.
> Enable PDF creation with Indian languages, by reading and utilizing the GSUB
> table
> ----------------------------------------------------------------------------------
>
> Key: PDFBOX-4189
> URL: https://issues.apache.org/jira/browse/PDFBOX-4189
> Project: PDFBox
> Issue Type: New Feature
> Components: FontBox, PDModel
> Reporter: Palash Ray
> Priority: Major
> Attachments: Bengali-text-after.pdf, Bengali-text-before.pdf,
> BengaliPdfGenerationHelloWorld.java, bengali-example.pdf,
> bengali-example2.pdf, committed.patch, screenshot.png
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> Implemented proper rendering of Indian languages, which need extensive Glyph
> substitution. The GSUB table has been read and used effectively to replace
> some compound words with their respective Glyphs. All tests are passing. I
> have tested this for the Bengali font. Please review these changes and let me
> know if it makes sense to incorporate these.
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