Possible bug in Composite extension

[Keith Packard]

Around 19 o'clock on Jan 5, "Amir Bukhari" wrote:

> With the bits copy I have made from the old pixmap to the new pixmap garbage
> content doesn't appear.

That's because the applications you are testing with use 'NorthWest' 
gravity which is precisely the semantic you've implemented with your 
CopyArea call.

A problem will occur when you simultaneously move and resize a window with
another gravity value such that the pixels within the window remain 
stationary wrt the screen; miSlideAndSize will not call the CopyWindow 
proc to reposition these (unmoving) pixels.

-keith


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