Pipe pdf file to printer rather than converting to PostScript first if possible
This is much easier, and should be faster, too. However, it only works if we have a file to begin with. Also, it won't print any annotations. Therefore, the old code is kept for those cases.
Co-authored-by: Oliver Sander oliver.sander@tu-dresden.de Co-authored-by: Albert Astals Cid aacid@kde.org