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

[Clemens Kirchgatterer <clemens@thf.ath.cx>]

Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de> wrote:

> Clemens Kirchgatterer wrote:

> > 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().

but SetBitmap() will draw the cBitmap object into a global framebuffer i
guess. so this will not work. then i have all the difficulties with
background saving and bitmaps moving over each other, i explaind above.
:-(


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