Hi Mark,
I saw that you used the getMerged(0) method to retrieve the dictionary and
not the getValue(0).
I tried both in an example and got the same result.
So my question is, why you choose the first in favor over the second?
Yannis Iliadis
2009/11/19 <[email protected]>
>
> Thanks Mark for the response and detailed explanation. This solved my
> problem. Thanks again :)
>
> With thanks and regards,
> S.K.Ramachandran
>
>
>
>
> Date: Wed, 18 Nov 2009 09:52:48 -0800
> From: "Mark Storer" <[email protected]>
> Subject: Re: [iText-questions] Font size from a text box
> To: "Post all your questions about iText here"
> <[email protected]>
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="iso-8859-1"
>
> You'll need to parse the field's /DA (default appearance) string:
>
> for (Iterator i = fields.keySet().iterator(); i.hasNext();) {
> key = (String) i.next();
>
> AcroFields.Item fldItem = (AcroFields.Item)fields.get( key );
> PdfDictionary merged = fldItem.getMerged( 0 );
> PdfString defaultApp = merged.getAsString( PdfName.DA );
> String appStr = defaultApp.toString();
> ...
> }
>
> The string will look something like "/Helv 10 Tf 0 0 0 rg". PDF content is
> written in "reverse polish notation". You want the second parameter for the
> "Tf" command, which will be a number. Tf: text font. 1st param: font name,
> 2nd param: font size. So in this case, the font size is 10pt.
>
> Note that there's no particular requirement to the order in which these
> operators are present, and other operators are permitted as well.
>
> The font size can be a float, it doesn't have to be a whole number. It can
> also be ZERO, indicating that the viewer should render the text it will all
> be displayed within the field's borders (within reason, it won't go below
> 4pt). At that point, the only way to know the actual font size being used
> is to parse the field's appearance stream. WHich isn't all that much
> harder. It really boils down to solving the same parsing problem, getting
> the string to parse is a tad more involved (and may be entirely abscent in
> the case of "half baked" forms, forms with the "NeedAppearances" flag set).
>
> --Mark Storer
> Senior Software Engineer
> Cardiff.com
>
> #include <disclaimer>
> typedef std::Disclaimer<Cardiff> DisCard;
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Wednesday, November 18, 2009 3:27 AM
> To: [email protected]
> Subject: [iText-questions] Font size from a text box
>
>
> Hi,
>
> I am reading the form fields from the PDF using Acrofields. I would like to
> get the value and font size of the Text fields. I am getting the value of
> using form.getField(key). How do I get the fontsize of the text field?
>
> Your inputs will be highly appreciated.
>
> Coder Snippet::
>
> PdfReader reader = new PdfReader("c:\\register_form2.pdf");
> AcroFields form = reader.getAcroFields(); HashMap fields =
> form.getFields(); String key; for (Iterator i = fields.keySet().iterator();
> i.hasNext();) {
> key = (String) i.next();
> switch (form.getFieldType(key))
> {
> case AcroFields.FIELD_TYPE_TEXT:
> System.out.println("Text");
> System.out.println("Value is" + form.getField(key));
> break;
> default:
> System.out.println("othes");
> }
> }
>
> With thanks and regards,
>
> S.K.Ramachandran
>
>
>
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