From: Tomas Frydrych (email@example.com)
Date: Mon Jul 29 2002 - 09:47:43 EDT
The updateBackgroundColor mechanism seems to be very seriously
flawed and needs to be rewritten, as it is one of the main bottlenecks
in the code.
The problem is this: the various calls to updateBackgroundColor()
propagate down to the run level, where
fp_Run::updateBackgroundColor() querries the PieceTable (!!!) for
the background colour property. This is not the way it should be --
*the only* place the runs should ever querry the PT for properties is
::lookupProperties() which in turn is only to be called in response to
formatting changes in the PT.
If the background colour needs to change because the PT has
changed, then let it be done in ::_lookupProperties; if the PT has not
changed, then the updateBackground colour has no business of
querring the PT. So my question is why do we need
updateBackground() colour at all?
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