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https://issues.apache.org/jira/browse/PDFBOX-2333?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141688#comment-14141688
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John Hewson commented on PDFBOX-2333:
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I took a look at [ICU4J features|http://site.icu-project.org/charts/comparison]
and it doesn't have a text layout engine, that's only in the C version of ICU.
For complex text layout that leaves us with only AWT's TextLayout as far as I
can tell?
> Overhaul the apperance generation for PDF forms
> -----------------------------------------------
>
> Key: PDFBOX-2333
> URL: https://issues.apache.org/jira/browse/PDFBOX-2333
> Project: PDFBox
> Issue Type: Improvement
> Components: AcroForm
> Reporter: Maruan Sahyoun
> Fix For: 2.0.0
>
> Attachments: AcroForms-SimpleTextFields.1.8.7.pdf,
> AcroForms-SimpleTextFields.1.8.7.png, AcroForms-SimpleTextFields.pdf
>
>
> The appearance handling for forms in 1.x is limited and does not reflect all
> settings possible for form fields. In addition the current code is not very
> modular and does not follow the box model used for form fields.
> Unfortunately only the basics of form handling are defined in the PDF spec.
> The details like padding of boxes, text placement etc. have to be determined
> by looking at how Adobe forms are generated.
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