PDF/A-1 fully supports annotations, links and form fields - so you can't simply rely on simple visual either.
Leonard -----Original Message----- From: mkl [mailto:m...@wir-sind-cool.org] Sent: Tuesday, May 26, 2009 5:12 PM To: itext-questions@lists.sourceforge.net Subject: Re: [iText-questions] How can compare the content of two revision Mike Marchywka-2 wrote: > >> As this thread originated in one about digital signatures, I doubt that >> is >> what he needs. > > In my first post, I mentioned the opposite extreme of rendering all pages > to BMP and doing a simple pixel subtract- this can be quite useful in some > cases. > Yes, when just checking for visual identity, that would be a way to go. If the document is PDF/A that should suffice. Otherwise there may also be some dynamic components, though, the behaviour of which is not captured like this. Regards, Michael. -- View this message in context: http://www.nabble.com/How-can-compare-the-content-of-two-revision-tp23649348p23731451.html Sent from the iText - General mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://www.1t3xt.com/docs/book.php Check the site with examples before you ask questions: http://www.1t3xt.info/examples/ You can also search the keywords list: http://1t3xt.info/tutorials/keywords/ ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://www.1t3xt.com/docs/book.php Check the site with examples before you ask questions: http://www.1t3xt.info/examples/ You can also search the keywords list: http://1t3xt.info/tutorials/keywords/
