It took a while, but I finally discovered the cause of the problem:
the set data() function for each renderer in the DataGrid is called
every time one of the renderers is resized. Does anyone know why set
data() is called? Here is more detail:
1) I extended the Tile container to use it as an
Perhaps you should look into using updateDisplayList() funtion to do
the resizing instead of set data()? I am not good enough with item
renderers to know for sure, or why, but I get the feeling that this is
the method to use for some visual manipulations. There has been some
discussion, search
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