tree 05d9550f2defd61495b6f0435d85d0cc6cfc8a10
parent 4492a4cb7ca9cb6dc25c7c6969cfbea47ad8f3b3
author Derek Sollenberger <djsollen@google.com> 1248098638 -0400
committer Derek Sollenberger <djsollen@google.com> 1248103529 -0400

adding support for tracking the visible rectangles.