create a new pdf file with password using QT4.3.2

[srikanth]

i want to create a pdf file with password using QT4.3.2 , i created pdf File successfully but i need to create a password to that file am struck here please help me

my code is

QTextDocument doc;
doc.setHtml("<h1>hello, I'm an head</h1>");
QPrinter printer;
printer.setOutputFileName("E:\\pdf file\\file.pdf");
printer.setOutputFormat(QPrinter::PdfFormat);
doc.print(&printer);

here am creating a pdf file , now i want to create a password to that file
any help is appreciated , Thanks in advance.

[VRonin]

Not doable with Qt alone. see https://stackoverflow.com/questions/1265327/library-for-password-protecting-pdf-from-copying-editing-and-printing-not-view for ideas