ConvertToTop
fParent->ConvertToTop(point);
fParent->ConvertToTop(rect);
fParent->ConvertToTop(region);
ConvertToTop(&oldVisibleBounds);
ConvertToTop(&oldVisibleBounds);
ConvertToTop(&dirty);
ConvertToTop(&b);
ConvertToTop(&fScreenClipping);
void ConvertToTop(BPoint* point) const;
void ConvertToTop(BRect* rect) const;
void ConvertToTop(BRegion* region) const;
layer->ConvertToTop(&polygon[0]);
layer->ConvertToTop(&polygon[1]);
layer->ConvertToTop(&polygon[2]);
layer->ConvertToTop(&polygon[3]);