Before you start anything don't forget that fonts are usually subset which means that you have a good chance of writing a string consisting of squares. The second point is that a pdf read has nothing to do with pdf creation which means that all the fancy iText drawing is not available, you'll have to issue the commands yourself (no big deal, though). The steps to go are:
1 - read the pdf. 2 - read the page dictionary and locate the font name (that you'll use when writing the text string) and the font name (that you use to identify the font). A look at the encoding and the widths array may also be required. 3 - convert the page content to a byte array (up to now its a pointer to the file). 4 - change the content. 5 - put the content in the page. 6 - write the pdf using something like PdfEncryptor without the encryption (or with the encryption and that part is done). Best Regards, Paulo Soares > -----Original Message----- > From: Andy Kriger [SMTP:[EMAIL PROTECTED]] > Sent: Thursday, January 30, 2003 16:16 > To: [EMAIL PROTECTED] > Subject: RE: [iText-questions] iText question from a new user > > No problem with that. I can read specs :) > > Can you be more clear when you say "work at the lowest levels of iText"? > The > problem I'm running into is that the javadocs are not very clear about how > to access portions of the PDF that I am interested in. > > I can read a PDF. I can copy the page. > > If fonts are embedded in the PDF, I'd like to get the Fonts used by the > page > so I can create text strings using the same font. This is the part that > I'm > not sure about. > > And then draw those strings directly to the page - that's covered in the > tutorials. > > thx > > -----Original Message----- > From: Leonard Rosenthol [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 30, 2003 11:07 > To: Andy Kriger; [EMAIL PROTECTED] > Subject: RE: [iText-questions] iText question from a new user > > > At 10:01 AM -0500 1/30/03, Andy Kriger wrote: > >Then the next question is are there open-source or free Java libraries > that > >allow PDF manipulation in the way I am talking about? > > You CAN do what you want with iText - BUT it requires you > have learn something....Sorry, there is no free ride here :(. > > And of the open source/free Java libraries, iText is the most > complete in terms of PDF manipulation. > > > Leonard > -- > -------------------------------------------------------------------------- > - > Leonard Rosenthol > <mailto:[EMAIL PROTECTED]> > Chief Technical Officer <http://www.pdfsages.com> > PDF Sages, Inc. 215-629-3700 (voice) > 215-629-0789 (fax) > > > > > ------------------------------------------------------- > This SF.NET email is sponsored by: > SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! > http://www.vasoftware.com > _______________________________________________ > iText-questions mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/itext-questions ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ iText-questions mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/itext-questions
