68         it1->second->spans != it2->second->spans) {  in Equals()
116       new_row->second->spans = row->second->spans;  in AddRect()
126       new_row->second->spans = row->second->spans;  in AddRect()
160         previous_row->second->spans == row->second->spans) {  in MergeWithPrecedingRow()
207     IntersectRows(it1->second->spans, it2->second->spans,  in Intersect()
208                   &new_row->second->spans);  in Intersect()
209     if (new_row->second->spans.empty()) {  in Intersect()
309       new_row->second->spans = row_a->second->spans;  in Subtract()
330       new_row->second->spans = row_a->second->spans;  in Subtract()
337     SubtractRows(row_a->second->spans, row_b->second->spans, &new_spans);  in Subtract()
338     new_spans.swap(row_a->second->spans);  in Subtract()
349     if (row_a->second->spans.empty()) {  in Subtract()
381       for (RowSpanSet::iterator span = row->spans.begin();  in Translate()
382            span != row->spans.end(); ++span) {  in Translate()
415   if (row->spans.empty() || left > row->spans.back().right) {  in AddSpanToRow()
416     row->spans.push_back(RowSpan(left, right));  in AddSpanToRow()
422       row->spans.begin(), row->spans.end(), left, CompareSpanRight);  in AddSpanToRow()
423   assert(start < row->spans.end());  in AddSpanToRow()
427       std::lower_bound(start, row->spans.end(), right + 1, CompareSpanLeft);  in AddSpanToRow()
428   if (end == row->spans.begin()) {  in AddSpanToRow()
430     row->spans.insert(row->spans.begin(), RowSpan(left, right));  in AddSpanToRow()
442     row->spans.insert(start, RowSpan(left, right));  in AddSpanToRow()
454     row->spans.erase(start, end);  in AddSpanToRow()
462       row.spans.begin(), row.spans.end(), span.left, CompareSpanLeft);  in IsSpanInRow()
463   return it != row.spans.end() && *it == span;  in IsSpanInRow()
506     assert(row_->second->spans.size() > 0);  in Iterator()
507     row_span_ = row_->second->spans.begin();  in Iterator()
523     if (row_span_ == row_->second->spans.end()) {  in Advance()
527         assert(row_->second->spans.size() > 0);  in Advance()
528         row_span_ = row_->second->spans.begin();  in Advance()