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https://issues.apache.org/jira/browse/PDFBOX-2943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709760#comment-14709760
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John Hewson commented on PDFBOX-2943:
-------------------------------------

Technically this method isn't needed for valid Type3 fonts. The Widths must 
always be provided in the Font dictionary. I presume you're dealing with a PDF 
which contains a "bad" font? As you say, d0 or d1 gives the width. 
PDType3CharProc would be a good place to add such code.

Before making any changes we need to verify that Acrobat uses those values as 
widths. I'd expect a Type 3 font with no Widths dictionary to render 
incorrectly in PDFBox if that is the case.

> PDType3Font.getWidthFromFont not supported
> ------------------------------------------
>
>                 Key: PDFBOX-2943
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-2943
>             Project: PDFBox
>          Issue Type: Improvement
>    Affects Versions: 2.0.0
>            Reporter: Timur Kamalov
>            Priority: Minor
>              Labels: type3
>
> This method is still not implemented.
> Does anyone working on this issue? If not I will be happy to contribute and 
> propose implementation. 
> In fact it's not a very complicated task : you just need to parse d0 or d1 
> operator from glyph's content stream (stored in CharProcs).



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