[XaraXtreme-dev] Bitmap Gallery drag/View redraw

[Phil Martin <phil@xxxxxxxx>]

> GRenderRegions do not background render in themselves - background 
> rendering is handled by the View classes which shoudl not be involved 
> here.
> Related: I've noticed that rectangle merging appears to be disabled on 
> a document view when the bitmap gallery is opened and dragged around. 
> But only while the gallery window falls partly inside, partly outside 
> the view. As soon as the gallery  window falls entirely within the 
> view rect, region merging seems to start up again.
Let me correct that: It looks like the region merging is happening fine 
but the redraw is held up longer when the gallery is partly over windows 
other than the view window.

Phil