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https://issues.apache.org/jira/browse/PDFBOX-3056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977597#comment-14977597
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Ben McCann commented on PDFBOX-3056:
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I don't see an {{onGlyph}}. Do you mean {{showGlyph}}? 

How do {{PageDrawer}} and {{PDFStreamEngine}} relate?

The part that I most frequently see issues with is pdfbox deciding whether or 
not to put a space or a new line, which is where I was going to focus my 
efforts. I really liked the {{TextPosition}} that's used in 
{{PDFTextStreamEngine}} because it gives me things to work with that I 
immediately understand without knowing the pdf spec at all. I was hoping I 
could just work with that assuming that the {{TextPosition}} was typically 
created correctly.

Is {{PDFTextStreamEngine}} fixable? It sounds like the main issue with fixing 
it is that {{PDFTextStripper}} also would need to be updated? If someone can 
make an alternate version of {{PDFTextStreamEngine}} that works as it should 
then I might be able to make {{PDFTextStripper}} use it. {{PDFTextStripper}} 
makes quite a bit of sense to me (though it does things I don't agree with), so 
I'm comfortable editing it, but if I have to deal with much outside of 
{{TextPosition}} then I get lost quickly. I'm afraid I don't quite know what to 
do with a text rendering matrix and if I have to treat type 3 fonts 
differently, etc.

> Make PDFTextStreamEngine public
> -------------------------------
>
>                 Key: PDFBOX-3056
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3056
>             Project: PDFBox
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Ben McCann
>             Fix For: 2.0.0
>
>
> I'd like to experiment with writing my own text extractor that works better 
> for my use case than PDFTextStripper does. Hopefully I can port some of the 
> improvements to PDFTextStripper if I get something working well. I'd really 
> like PDFTextStreamEngine and its constructor to have increased visibility as 
> I believe that it's pretty reasonable for people to be able write their own 
> PDFTextStrippers without having to reimplement showGlyph.



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