On Mar 13, 6:57 pm, "Diez B. Roggisch" <de... at nospam.web.de> wrote: > azrael wrote: > > I thought of using Temp files but I am afraid of the JPG destorsion > > while saving because of the compresion.I am looking for a way to > > directly transform it. > > Then don't use JPEG, use PNG. It's lossless. > > Diez thnx. i did't think about that. i totaly forgot png.