> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On
> Behalf Of Jim Cornmell
> Sent: Thursday, June 21, 2007 1:10 PM
> To: Post all your questions about iText here
> Subject: Re: [iText-questions] Accessing form variables from
> within iText and detecting if text fits in a form field
>
>
> 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?
>
AcroFields.getXfa().getDomDocument().
> > > 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.
>
Set the value font size to 0.
Paulo
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