25 std::ostream& operator<<(std::ostream& os, const Rect& r)  in operator <<()  argument
27     os << "{" << r.left_ << "," << r.top_ << "," << r.right_ << "," << r.bottom_ << "}";  in operator <<()
172 void Region::UpdateRects(Rects& r, std::vector<Range>& ranges, std::vector<int>& indexAt, Region& r…  in UpdateRects()  argument
176     while (i < r.preRects.size() && j < ranges.size()) {  in UpdateRects()
177 …if (r.preRects[i].left_ == indexAt[ranges[j].start_] && r.preRects[i].right_ == indexAt[ranges[j].…  in UpdateRects()
178 …r.curRects.emplace_back(Rect { r.preRects[i].left_, r.preRects[i].top_, r.preRects[i].right_, r.cu…  in UpdateRects()
181         } else if (r.preRects[i].right_ < indexAt[ranges[j].end_]) {  in UpdateRects()
182             res.GetRegionRects().push_back(r.preRects[i]);  in UpdateRects()
185 …r.curRects.emplace_back(Rect { indexAt[ranges[j].start_], r.preY, indexAt[ranges[j].end_], r.curY …  in UpdateRects()
191 …r.curRects.emplace_back(Rect { indexAt[ranges[j].start_], r.preY, indexAt[ranges[j].end_], r.curY …  in UpdateRects()
193     for (; i < r.preRects.size(); i++) {  in UpdateRects()
194         res.GetRegionRects().push_back(r.preRects[i]);  in UpdateRects()
196     r.preRects.clear();  in UpdateRects()
197     r.preRects.swap(r.curRects);  in UpdateRects()
205         for (const auto& r : rects_) {  in MakeBound()  local
206             bound_.top_ = std::min(r.top_, bound_.top_);  in MakeBound()
207             bound_.left_ = std::min(r.left_, bound_.left_);  in MakeBound()
208             bound_.right_ = std::max(r.right_, bound_.right_);  in MakeBound()
209             bound_.bottom_ = std::max(r.bottom_, bound_.bottom_);  in MakeBound()
247     Rects r;  in RegionOpLocal()  local
248     r.curY = events[0].y_;  in RegionOpLocal()
249     r.preY = events[0].y_;  in RegionOpLocal()
251         r.curY = event.y_;  in RegionOpLocal()
254         if (r.curY > r.preY) {  in RegionOpLocal()
255             UpdateRects(r, ranges, indexAt, res);  in RegionOpLocal()
258         r.preY = r.curY;  in RegionOpLocal()
260     copy(r.preRects.begin(), r.preRects.end(), back_inserter(res.GetRegionRects()));  in RegionOpLocal()
269 Region& Region::OperationSelf(Region& r, Region::OP op)  in OperationSelf()  argument
272     RegionOp(r1, r, *this, op);  in OperationSelf()
276 Region Region::Or(Region& r)  in Or()  argument
279     RegionOp(*this, r, res, Region::OP::OR);  in Or()
283 Region Region::And(Region& r)  in And()  argument
286     RegionOp(*this, r, res, Region::OP::AND);  in And()
290 Region Region::Sub(Region& r)  in Sub()  argument
293     RegionOp(*this, r, res, Region::OP::SUB);  in Sub()
297 Region Region::Xor(Region& r)  in Xor()  argument
300     RegionOp(*this, r, res, Region::OP::XOR);  in Xor()
304 Region& Region::OrSelf(Region& r)  in OrSelf()  argument
306     return OperationSelf(r, Region::OP::OR);  in OrSelf()
309 Region& Region::AndSelf(Region& r)  in AndSelf()  argument
311     return OperationSelf(r, Region::OP::AND);  in AndSelf()
314 Region& Region::SubSelf(Region& r)  in SubSelf()  argument
316     return OperationSelf(r, Region::OP::SUB);  in SubSelf()
319 Region& Region::XOrSelf(Region& r)  in XOrSelf()  argument
321     return OperationSelf(r, Region::OP::XOR);  in XOrSelf()
324 std::ostream& operator<<(std::ostream& os, const Region& r)  in operator <<()  argument
327     os << r.GetSize() << ": ";  in operator <<()
328     for (const Rect& regionRect : r.GetRegionRects()) {  in operator <<()