Quoting Denis Oliver Kropp: > Quoting SINGODIWIRJO Hermantino: > > Sorry re-posting the topic but I really need to find a way to do the trick. > > > > Here is a simple spot : > > > > I've got a surface on which I've drawn a gray filled rectangle. > > > > If I do a Getsurface on it and then render a transparent PNG on it, the > > transparent part of the PNG erases the gray color. > > > > So if the PNG is perfectly rectangular there is no problem, but if it isn't how > > can I do to keep my color under the transparent PNG ? > > Call IDirectFBImageProvider::GetDescription() and use alpha blending or color keying > as supposed in the description. This depends on whether you have an indexed PNG with > transparency a la GIF.
It's called GetImageDescription(), an example is "DFB++/examples/dfbimage.cpp". -- Best regards, Denis Oliver Kropp .------------------------------------------. | DirectFB - Hardware accelerated graphics | | http://www.directfb.org/ | "------------------------------------------" Convergence GmbH -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe directfb-dev" as subject.
