Li Wang wrote: > //sometimes the file is blank while sometimes good. In the book, I explain the 'blank page problem' in the context of a web app (chapter 17). There are different reasons why the pages in a PDF can turn blank, but the most probable reason in the context you are describing is a kind of 'flattening' of the bytes.
PDF is a binary format. Think of the structure as plain ASCII (the reader can open the PDF, knows how many pages there are, and so on), but the page content is compressed (binary!!!). Programs that don't treat a PDF as a binary will make the page content corrupt (open the PDF in a plain text editor such as vi, WordPad,... and you'll see the page content isn't binary anymore). If that's the case with your app, that would explain why you only see blank pages. The solution is to make sure your app can handle binaries. br, Bruno ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://itext.ugent.be/itext-in-action/
