392     bool isLeftOf(Vertex* v) const {  in isLeftOf()  function
854         if (prev->isLeftOf(v)) {  in find_enclosing_edges()
952         if (c.sweep_lt(leftTop->fPoint, top->fPoint) && !edge->fLeft->isLeftOf(top)) {  in rewind_if_necessary()
957                    !edge->fLeft->isLeftOf(bottom)) {  in rewind_if_necessary()
968         } else if (c.sweep_lt(top->fPoint, rightTop->fPoint) && !edge->isLeftOf(rightTop)) {  in rewind_if_necessary()
974                    !edge->isLeftOf(rightBottom)) {  in rewind_if_necessary()
1045            !left->isLeftOf(right->fTop) || !right->isRightOf(left->fTop);  in top_collinear()
1053            !left->isLeftOf(right->fBottom) || !right->isRightOf(left->fBottom);  in bottom_collinear()
1115         if (!left->isLeftOf(right->fTop)) {  in intersect_edge_pair()
1126         if (!left->isLeftOf(right->fBottom)) {  in intersect_edge_pair()
1442         SkASSERT(left->isLeftOf(right->fBottom));  in validate_edge_pair()
1445         SkASSERT(left->isLeftOf(right->fTop));  in validate_edge_pair()
1450         SkASSERT(left->isLeftOf(right->fTop));  in validate_edge_pair()
1453         SkASSERT(left->isLeftOf(right->fBottom));  in validate_edge_pair()