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https://issues.apache.org/jira/browse/PDFBOX-5324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17445444#comment-17445444
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Tilman Hausherr commented on PDFBOX-5324:
-----------------------------------------
Thank you, I tried the patch... However the build failed.
Please open the file PDAcroFormFlattenTest.java, and enable the disabled tests
(they are disabled because of minor differences).
Two of them (PDFBOX-4615-filled.pdf and TestFax_56972.pdf) produce a stack
overflow when your patch is active.
> support get unicode from TrueTypeFont cmap
> ------------------------------------------
>
> Key: PDFBOX-5324
> URL: https://issues.apache.org/jira/browse/PDFBOX-5324
> Project: PDFBox
> Issue Type: Improvement
> Components: Text extraction
> Affects Versions: 3.0.0 PDFBox
> Reporter: qiang Liu
> Priority: Major
> Labels: patch
> Attachments: 0001-support-get-unicode-form-font-cmap.patch,
> fp-jiangshu-public.pdf
>
>
> for some special pdf files like the one I attached, some text is missing from
> text extraction. after some debug and tests, found out that this can be fixed
> if we use Cmap from TrueTypeFont too.
> I will submit a patch soon
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