Hi Justin You definitely want to upgrade to Qt 4.6 since a lot of bug-fixes has gone into the DirectFB plugin since then. Can you post an example showing what you do? By default it should blend with the background of the window, and with the video layer.
Regards Anders On 1/26/10 8:08 PM, "ext Justin Hou" <jt...@c2micro.com> wrote: > I'm confusing the per-pixel alpha blending. > > My OSD plane is over video plane. the background of OSD plane is covered by a > picture, which alphas are all 1. and then I blend another picture on the > backgound. This picture is created by photoshop and some alphas are belong to > (0, 1). I want to see the backgound, you know. But the result is, I see the > video plane. > > What's happened and how to do it ? > > I'm using Qt 4.5.1, and DFB 1.2.6. > > Thanks! > > -Justin > > On 2010-1-26 17:15, Lionel Landwerlin wrote: >> I tried once about one month ago. >> It works though. What kind of bug did you found ? >> >> -- >> Lionel >> >> >> On Tue, Jan 26, 2010 at 4:45 AM, Justin Hou <jt...@c2micro.com> wrote: >> >>> Hi, guys, >>> I'm working directfb to support QT plugin. Some bugs are found out and >>> some issues still confusing me. If you are working on this path, or you are >>> interesting it, or you are an expert, Pls. reply this mail, and let's talk. >>> >>> BTW: Could anyone provide some good reference documents for the >>> architecture of DFB? I mean the design, not only the interfaces. >>> >>> Thanks! >>> >>> -Justin >>> >>> >>> >>> >>> _______________________________________________ >>> directfb-dev mailing list >>> directfb-dev@directfb.org >>> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev >>> >> >> >> >> >> >> _______________________________________________ >> directfb-dev mailing list >> directfb-dev@directfb.org >> http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev >> > > _______________________________________________ directfb-dev mailing list directfb-dev@directfb.org http://mail.directfb.org/cgi-bin/mailman/listinfo/directfb-dev
