Question 2:
You could use the FontMetric example in the book as a start to get a strings
width (depending on the font you are using).
If the width is wider than your area, just use a smaller font size.
Question 1:
AFAIK you can use the XfaForm class to get the XFA template from the PDF.
2007/6/21, Jim Cornmell <[EMAIL PROTECTED]>:
Hi Paolo,
> > I'm currently developing an application which uses iText to
> > merge text and graphics into a new PDF file. I'm 90% there
> > and am impressed with how easy it has been so far, but I am
> > stuck with two points which I hope someone can answer:
> >
> > Question 1: Within Adobe LiveCycle you can add a variable to
> > the form using the: File | Form Properties | Variable tab.
> > So for example I've added a variable called "foo" with a
> > value of "bar".
> >
> > How can I access the value of this variable within
> > iText. I basically am using iText to merge bits of
> > information together (images and text) and using the template
> > to control how this is done. I've tried using a form field
> > and this works fine but is a bit hacky and the variable
> > facility seems like a more elegant solution.
> >
>
> You'll have to parse the XFA XML yourself.
OK. Any pointers to where in the iText API to go to extract the XML?
> > Question2: When replacing text into a form how can I detect
> > if the text fits, and thus if it does not reduce the font
> > size of the field until it does fit for example?
> > I can easily setup various field in the form so I can
> > control the text to some extent, i.e. setup a field to force
> > the text to crop or wrap. But if one of my users specifies a
> > text box and wants the text to shrink to fit. I'm currently
> > assuming if I can find the size of the box (which I already
> > can with AcroFields:getFieldPositions() ) and then the string
> > width (which I cannot) then I can reduce the font size until
> > it fits using AcroFields:setFieldProperty().
> >
> > I guess for this I do not need to know the width of the
> > string I just need to know: Is the field property set to
> > shrink to fit? and if so does the string fit? If not reduce
> > the font little and try again.
> >
>
> If the field is auto-size why do you need to know the font size?
Again maybe I'm being dumb but I've tried various options in LiveCycle and
all I get is cropped text, it does not shrink. The closest I've found is
the "Expand to fit" option in layout but my resultant PDF still looks the
same when I substitute the values in iText.
Jim
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