Christian Brandt created PDFBOX-3255:
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Summary: Reasonable way to handle missing characters in font
Key: PDFBOX-3255
URL: https://issues.apache.org/jira/browse/PDFBOX-3255
Project: PDFBox
Issue Type: Wish
Components: AcroForm
Affects Versions: 2.0.0
Reporter: Christian Brandt
Priority: Minor
Hello,
We have an issue with setting form field values if the input contains
characters that cannot be rendered with the associated font. The system throws
similar exception to:
java.lang.IllegalArgumentException: U+0308 ('dieresiscmb') is not available in
this font's encoding: MacRomanEncoding with differences
Currently this is problematic to be handled outside the framework because based
on my understanding (please correct me if I'm wrong) the caller does not have a
way to figure out what font will be eventually used and therefore which
characters are not renderable.
What we would ultimately like, is that the library would optionally replace
unrenderable characters with some another existing character (e.g. space)
instead of failing the call, or that the library would provide a way to recover
from this error so that the user would be able to call the method again with
altered input.
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