Do you mean I have to encode my string (having the pdf content "%PDF-1.2......") as a base64 char[] and construct the PdfReader object passing that char[] as a parameter? (I have to check it, but I think PdfReader(char[]) wasn`t a valid constructor...).
Again, lot of thanks for your time, Adriano. 2007/11/15, Paulo Soares <[EMAIL PROTECTED]>: > The problem is that PDF are binary. If you must pass it as a string encoded > it first as base64 and decode it before delivering it to PdfReader. > > Paulo > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On > > Behalf Of Adriano Leite Ribero > > Sent: Thursday, November 15, 2007 8:47 AM > > To: itext-questions@lists.sourceforge.net > > Subject: [iText-questions] Watermark on a pdf wich is > > embedded in a browser > > > > Hi, > > > > I am trying to add some watermark to a pdf document. I've followed > > correctly the example of the file "AddWatermarkPageNumbers.java" from > > "http://itextdocs.lowagie.com/tutorial/general/copystamp/index.php";, > > and it works properly. I have made some changes to fit the method in > > that java file to my purpose without problems, and renamed the method > > in it as "addWaterMark", so my method preWaterMark1, which calls it, > > works fine: > > > > public static void preWaterMark1(String nameOriginalFile, String > > text, String image, String nameOutputFile) { > > try { > > PdfReader reader = new PdfReader(nameOriginalFile); > > PdfStamper stamp = new PdfStamper(reader, new > > FileOutputStream(nameOutputFile)); > > addWaterMark(reader, stamp, text, image); > > } catch (Exception e){ > > System.out.println("MarcaDeAgua.preWaterMark -> > > Excepción: " + e); > > } > > } > > > > private static void addWaterMark(PdfReader reader, PdfStamper stamp, > > String text, String image){... /*works ok*/} > > > > > > The problem is that i need to do the same with pdf documents that > > are not files, they are just in the browser. I start from a String > > having the content of a document of that kind, and, following the same > > steps I've written preWaterMark2, which uses the same method to write > > the watermark. But what I get is just the pdf without any visible > > changes, I can´t see any watermark. But I know the String having the > > content of the pdf document has changed. > > > > public static String preWaterMark2(String pdfContent, String text, > > String image){ > > ByteArrayOutputStream baos = new ByteArrayOutputStream(); > > try { > > PdfReader reader = new > > PdfReader(pdfContent.getBytes("ISO-8859-1")); > > PdfStamper stamp = new PdfStamper(reader, baos); > > addWaterMark(reader, stamp, text, image); > > } catch (Exception de){ > > de.printStackTrace(); > > } > > String ret = ""; > > try{ > > if (baos.toString()!= null) > > ret = baos.toString(); > > } catch (Exception e){ > > System.out.println("MarcaDeAgua.preWaterMark -> Excepción: " + > > e.getMessage()); > > e.printStackTrace(); > > } > > return ret; > > } > > > > I guess the problem could be related to the transforming process > > between the String having the PDF content and the byte[] with the same > > data. I have tryed to change the "ISO-8859-1", but it keeps on showing > > me a PDF without any watermark. > > > > Does anybody know what could be the problem? > > > > Lot´s of thanks, > > Adriano. > > > Aviso Legal: > Esta mensagem é destinada exclusivamente ao destinatário. Pode conter > informação confidencial ou legalmente protegida. A incorrecta transmissão > desta mensagem não significa a perca de confidencialidade. Se esta mensagem > for recebida por engano, por favor envie-a de volta para o remetente e > apague-a do seu sistema de imediato. É proibido a qualquer pessoa que não o > destinatário de usar, revelar ou distribuir qualquer parte desta mensagem. > > Disclaimer: > This message is destined exclusively to the intended receiver. It may contain > confidential or legally protected information. The incorrect transmission of > this message does not mean the loss of its confidentiality. If this message > is received by mistake, please send it back to the sender and delete it from > your system immediately. It is forbidden to any person who is not the > intended receiver to use, distribute or copy any part of this message. > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. > Still grepping through log files to find problems? Stop. > Now Search log events and configuration files using AJAX and a browser. > Download your FREE copy of Splunk now >> http://get.splunk.com/ > _______________________________________________ > iText-questions mailing list > iText-questions@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/itext-questions > Buy the iText book: http://itext.ugent.be/itext-in-action/ > ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ iText-questions mailing list iText-questions@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/itext-questions Buy the iText book: http://itext.ugent.be/itext-in-action/
