Zev Benjamin 4de79cf723 Make within_viewport take the row offset and row height ...

The .height() and .width() functions are actually pretty expensive
for the number of times we call them.  The callers of within_viewport
already know the offset and height of the row, so we just pass them
in so the values don't have to be recalculated.

(imported from commit d1c077bd87463d695f0bbe337b6a8b04ac2d17ce)

2013-05-09 10:35:47 -04:00

20 KiB

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