Abdelrazak Younes wrote: > The way I am using QPixmap and QImage is probably not very optimal on > X11 when the server and the client is on the same machine but it should > be very efficient when they are not.
I don't think so. AFAIK the X server and client can use shared memory when running on the same machine. If qt is clever enough it should be able to use this feature, so there should not be any performance penalty. Georg