[vdr] Re: OSD redesign in VDR 1.3.x

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Clemens Kirchgatterer wrote:
> 
> Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de> wrote:
> 
> > Clemens Kirchgatterer wrote:
> 
> > > i think, i just used it because it was there. go ahead and remove
> > > it.
> >
> > Back then I implemented these things because the FF-DVB cards' OSD
> > could do them. But in hindsight I guess I should never have
> > implemented things that closely based on the AV7110's OSD features.
> > What I'm doing now is an attempt to make things more hardware
> > independent, while still allowing the "old" hardware to be used as
> > good as possible.
> 
> while we are on it: a few weeks ago i experimented with a simple sprite
> engine based on RawOsd and per pixel writes to it. i tried to emulate
> old fashioned hardware sprites and this is getting close to impossible
> to do with good performance as sprites can cross and overlap
> independently. on the other hand with the OSDs multiple window support
> it should be rather easy. each sprite could have its own window and i
> would not need to think about background saving, stacking and
> refreshing. maybe you could still provide a way to open multiple windows
> in the new osd implementation?

I'm afraid not. If you want such functionality you can draw into
your own cBitmaps and display them with SetBitmap().

Klaus


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