Hi! Yes, your window has a DFBSurface as it's backing store. You can control the capabilities of this surface to switch on double buffering and more. See the examples and docs...
Richie > -----Ursprüngliche Nachricht----- > Von: Arvind Ayyangar [mailto:[EMAIL PROTECTED] > Gesendet: Dienstag, 12. Dezember 2006 08:35 > An: Unger Richard > Cc: Pandit Panburana; directfb-dev > Betreff: Re: [directfb-dev] DirectFB questions. > > > > > > 5) Is there any window manager for directFB? I am > > > looking for a > > > > > simple window manager that can switch window of different > > > processes > > > > > in particular. > > > > > > > > > > > > > Yes DFB has this built in. You can show and hide, move and > > > resize the windows used by DFB applications. If you > expect the user > > > to do this with the mouse, you will probably have some > work to do on > > > the GUI side. > > > > > > I cant find an API to hide windows. I though that the only option > > > was to change the opacity. When multiple windows re open, > repainting > > > of windows doesn't seem to be done, only the events are > grabbed by > > > the foocused windoo. > > > Correct me ifI am wrong.. > > > > > > > Hi - yes, you can set the opacity to 0 - then the window > will not be drawn. > > You can also dispose the window. > > > > AFAIK, and there are far more experienced people than me on > this list, there are a number of options you can use to > control drawing behaviour... > > Could someone please elaborate on that. I have been looking > out for some documentation but in vain.. > > > If you set up your windows to be double-buffered, then you > should be able to move / expose / hide them without ever > receiving redraw events, as DFB uses a back buffer per > window. Thus you only need to draw the contents once, and > then not again until the content changes. > > what is double buffering in DFB? Do you have to enable it ? > > > > > Richie > > > > > -- > Regards > ARviND AyyangaR > > "Success is not measured by what a man accomplishes, but by > the opposition he has encountered, and the courage with which > he maintained the struggle against overwhelming odds." > _______________________________________________ directfb-dev mailing list [email protected] http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
