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https://issues.apache.org/jira/browse/PDFBOX-5331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17449547#comment-17449547
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Tilman Hausherr commented on PDFBOX-5331:
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About the second file: unicode is also missing. And that is a type 3 font (not
a real "font", rather a collection of PDF operations), so no way to do anything.
Re "why convert the pdf doc to image,the text can be draw successful" I assume
you want to know why no text extraction but visible text? This is because a
font needs to have both its visual (i.e. the "glyph") and its unicode character
value. Sometimes it isn't there, usually to make text extraction difficult.
> Text "820-01869-U-A" is omitted from PDF doc
> --------------------------------------------
>
> Key: PDFBOX-5331
> URL: https://issues.apache.org/jira/browse/PDFBOX-5331
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 2.0.24, 3.0.0 PDFBox
> Reporter: zzz
> Priority: Major
> Attachments: 072B006805-P32939I-(2)_2.pdf,
> 072B006805-P32939I-(2)_2_1.jpg, 1.png, 2-1.png, 3.png, 84002附表0506.pdf,
> screenshot-1.png
>
>
> I use "PrintTextLocations" to parse all text from PDF doc.there has three
> text "820-01869-U-A" in my doc,but the third text which one after text
> "品牌:Apple 型號:" is omitted.
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