-bool Rect::contains(int __x, int __y) const {
- return __x >= _x1 && __x <= _x2 &&
- __y >= _y1 && __y <= _y2;
+bool Rect::contains(int x, int y) const {
+ return x >= _x1 && x <= _x2 &&
+ y >= _y1 && y <= _y2;
+}
+
+
+bool Rect::contains(const Rect& a) const {
+ return a._x1 >= _x1 && a._x2 <= _x2 &&
+ a._y1 >= _y1 && a._y2 <= _y2;