165 bool Rect::Contains(const Rect& rect) const {  in Contains()
166   return (rect.x() >= x() && rect.right() <= right() && rect.y() >= y() &&  in Contains()
167           rect.bottom() <= bottom());  in Contains()
170 bool Rect::Intersects(const Rect& rect) const {  in Intersects()
171   return !(IsEmpty() || rect.IsEmpty() || rect.x() >= right() ||  in Intersects()
172            rect.right() <= x() || rect.y() >= bottom() || rect.bottom() <= y());  in Intersects()
175 void Rect::Intersect(const Rect& rect) {  in Intersect()  argument
176   if (IsEmpty() || rect.IsEmpty()) {  in Intersect()
181   int left = std::max(x(), rect.x());  in Intersect()
182   int top = std::max(y(), rect.y());  in Intersect()
183   int new_right = std::min(right(), rect.right());  in Intersect()
184   int new_bottom = std::min(bottom(), rect.bottom());  in Intersect()
194 void Rect::Union(const Rect& rect) {  in Union()  argument
196     *this = rect;  in Union()
199   if (rect.IsEmpty())  in Union()
202   SetByBounds(std::min(x(), rect.x()), std::min(y(), rect.y()),  in Union()
203               std::max(right(), rect.right()),  in Union()
204               std::max(bottom(), rect.bottom()));  in Union()
207 void Rect::Subtract(const Rect& rect) {  in Subtract()  argument
208   if (!Intersects(rect))  in Subtract()
210   if (rect.Contains(*this)) {  in Subtract()
220   if (rect.y() <= y() && rect.bottom() >= bottom()) {  in Subtract()
222     if (rect.x() <= x()) {  in Subtract()
223       rx = rect.right();  in Subtract()
224     } else if (rect.right() >= right()) {  in Subtract()
225       rr = rect.x();  in Subtract()
227   } else if (rect.x() <= x() && rect.right() >= right()) {  in Subtract()
229     if (rect.y() <= y()) {  in Subtract()
230       ry = rect.bottom();  in Subtract()
231     } else if (rect.bottom() >= bottom()) {  in Subtract()
232       rb = rect.y();  in Subtract()
238 void Rect::AdjustToFit(const Rect& rect) {  in AdjustToFit()  argument
243   AdjustAlongAxis(rect.x(), rect.width(), &new_x, &new_width);  in AdjustToFit()
244   AdjustAlongAxis(rect.y(), rect.height(), &new_y, &new_height);  in AdjustToFit()
269 bool Rect::SharesEdgeWith(const Rect& rect) const {  in SharesEdgeWith()
270   return (y() == rect.y() && height() == rect.height() &&  in SharesEdgeWith()
271           (x() == rect.right() || right() == rect.x())) ||  in SharesEdgeWith()
272          (x() == rect.x() && width() == rect.width() &&  in SharesEdgeWith()
273           (y() == rect.bottom() || bottom() == rect.y()));  in SharesEdgeWith()
285 int Rect::ManhattanInternalDistance(const Rect& rect) const {  in ManhattanInternalDistance()
287   c.Union(rect);  in ManhattanInternalDistance()
289   int x = std::max(0, c.width() - width() - rect.width() + 1);  in ManhattanInternalDistance()
290   int y = std::max(0, c.height() - height() - rect.height() + 1);  in ManhattanInternalDistance()
300 bool Rect::ApproximatelyEqual(const Rect& rect, int tolerance) const {  in ApproximatelyEqual()  argument
301   return std::abs(x() - rect.x()) <= tolerance &&  in ApproximatelyEqual()
302          std::abs(y() - rect.y()) <= tolerance &&  in ApproximatelyEqual()
303          std::abs(right() - rect.right()) <= tolerance &&  in ApproximatelyEqual()
304          std::abs(bottom() - rect.bottom()) <= tolerance;  in ApproximatelyEqual()