VisibleContentRegion
BRegion previousVisibleContentRegion(window->VisibleContentRegion());
BRegion tmp(window->VisibleContentRegion());
redraw = window->VisibleContentRegion();
fWindow->VisibleContentRegion());
dirty->IntersectWith(&VisibleContentRegion());
dirty->IntersectWith(&VisibleContentRegion());
dirty->IntersectWith(&VisibleContentRegion());
region->IntersectWith(&VisibleContentRegion());
fEffectiveDrawingRegion = VisibleContentRegion();
BRegion* dirtyContentRegion = fRegionPool.GetRegion(VisibleContentRegion());
BRegion* exposeContentRegion = fRegionPool.GetRegion(VisibleContentRegion());
dirtyRegion.IntersectWith(&VisibleContentRegion());
exposeRegion.IntersectWith(&VisibleContentRegion());
dirtyRegion.IntersectWith(&VisibleContentRegion());
viewRegion.IntersectWith(&VisibleContentRegion());
BRegion& VisibleContentRegion();
regionOnScreen->IntersectWith(&VisibleContentRegion());
region->IntersectWith(&VisibleContentRegion());
BRegion dirtyContentRegion(VisibleContentRegion());
fEffectiveDrawingRegion = VisibleContentRegion();
fEffectiveDrawingRegion = VisibleContentRegion();
BRegion& VisibleContentRegion();