>Is there a way to use iText to set an imagefield in an acro form similar to
>what can be done with textfields?
Kinda. There's no such thing as an "image field" in an AcroForm. That being
said, you can set a button's appearance to "Icon Only", and draw whatever you
like for the 'icon'... in theory.
Creating a button field from scratch with an icon appearance is fairly simple
with PushbuttonField. Modifying an existing button is considerably more
challenging, and requires significant PDF knowledge. PdfContentByte's
drawButton() won't help. Nor will AcroFields.getAppearance().
The only realistic option for you would be something like this:
------------
AcroField.Item fldItem = form.getFieldItem( "buttonName" )
for (int i = 0; i < fldItem.widgets.size(); ++i) {
Pushbutton button = new PushButton(...);
PdfDictionary curWidg = (PdfDictionary)fldItem.widgets.get( i );
PdfDictionary curMerged = (PdfDictionary)fldItem.merged.get( i );
myAttributeSetter( button, curMerged ); // exercise for the reader
PdfFormField tmpField = button.getField();
PdfObject apObj = tmpField.get( PdfName.AP );
PdfObject mkObj = tmpField.get( PdfName.MK ):
curWidg.put( PdfName.AP, apObj );
curMerged.put (PdfName.AP, apObj );
curWidg.put( PdfName.MK, mkObj );
curMerged.put( PdfName.MK, mkObj );
}
------------
myAttributeSetter() will be "non-trivial", particuarly for someone unfamiliar
with PDF. Bounding boxes, field flags, etc, etc. You'll want to take a long
look at chapter 8's section on form fields in the PDF Reference.
--Mark Storer
Senior Software Engineer
Cardiff Software
#include <disclaimer>
typedef std::Disclaimer<Cardiff> DisCard;
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