If the form isn't changing, can you just check out the field
definition in the PDF doc? Here's one from the PDF form I'm working
with:
<< /Type /Annot /T (SlotsTotal 19) /V () /Rect [ 51.855 457.452 91.095 478.332
] /DV () /FT /Tx /DA (/Helvetica 12 Tf 0 g) /F 4 /MK 1972 0 R /Q 1 /Subtype
/Widget >>
The /Rect units aren't in pixels but I assume the text width
calculation would be the same so it would work out.
My PDF was originally a Linearized mess but I opened it and saved it
in Preview on OS X and then all the form elements came out in plain
text which made it easy to inspect in a text editor.
Thanks,
Aaron
On Mon, Jun 13, 2016 at 1:32 PM, Barry Neu <barry....@gmail.com> wrote:
> Hello.
>
> Is it possible to calculate the pixel width of a text field on a fillable PDF?
> If so, is there an example available or where can I look to research?
>
> Some context:
> I’m working with PDFBox 2.0.
> Data for a fillable form is collected in a web user interface. If the value
> for a given field exceeds the field capacity on the form, the value should be
> populated on an addendum form. The font size of the field cannot scale down
> below a particular value.
>
> The font and font size are known in advance so the length of the Value can be
> calculated. But I need to know the pixel capacity of the field to know if the
> value will “fit”.
> Also open to an alternate strategy if someone has solved differently.
>
> Thanks for any help.
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