GetFootprint
dirty = fRegionPool.GetRegion(decorator->GetFootprint());
fContentRegion.Exclude(&decorator->GetFootprint());
*region = decorator->GetFootprint();
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
updateRegion->Include(&GetFootprint());
const BRegion& GetFootprint();
inBorderRegion = decorator->GetFootprint().Contains(where);
frame = decorator->GetFootprint().Frame();