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https://issues.apache.org/jira/browse/PDFBOX-3745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15957155#comment-15957155
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Tilman Hausherr commented on PDFBOX-3745:
-----------------------------------------
Amusingly, our two main java competitors have the same problem. Maybe they're
both using the Apache Batik code that we're using.
> Wrong character width
> ---------------------
>
> Key: PDFBOX-3745
> URL: https://issues.apache.org/jira/browse/PDFBOX-3745
> Project: PDFBox
> Issue Type: Bug
> Components: PDModel
> Affects Versions: 2.0.5
> Environment: Windows 10
> Reporter: Ch. Schlatter
> Attachments: p421.jpg, p42.pdf, PDFBOX-3745-reduced.pdf
>
>
> I tried to convert a PDF file to an image. But there is a error with the
> character width computation. As you can see inside the blue box, there are
> gaps after every umlaut mark (ä ,ö ,ü). Some characters in the font doesn't
> contain any width information. The distance between the character is handled
> by position adjustment. For example:
> [1., -278, ), -844, H, -722, ä, -556, u, -611, sliche P, -667, f, -333, lege]
> TJ
> I guess there is an error in the font.getWidth() implementation. If I call
> font.getWidth("ä") it returns 556. (Instead of 0, what would fit)
> I attached the PDF and the converted image.
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