koffice/krita

[Adrian Page]

Boudewijn Rempt wrote:
  > How about this:
> 
> * all calls to KisImage::notify() become calls to KisLayer::setDirty(rect). 
> KisLayer::setDirty() informs the image of the new dirty rect, the image keeps
> a list of dirty rects.
> 
> * access to the rootlayer's projection is done through KisImage.  KisImage 
> then consolidates the dirty rects into a list of non-overlapping dirty rects. 
> That would be fairly cheap, I guess, and finally starts to merge.

That sounds good.

> I'm not sure whether we should allow access to the cached paint device of the 
> adj. layer and the group layers outside the core library.

I suppose probably not, until a compelling reason to do so arises. As 
long as we control the access, like with the root layer's projection, 
that's the main thing.

Adrian