The QRect class defines a rectangle in the plane. ... QRect  ( const QPoint & topleft, const QPoint & bottomright )  . ... QRect  ( int left, int top, int width, int height )  . ... int  left  () const . int  top  () const . ... int  x  () const . ... Constructs a rectangle with topLeft as the top left corner and size as the rectangle size. ... Returns the bottom coordinate of the rectangle. ... Returns the bottom left position of the rectangle. ... Returns the top left position of the rectangle. ...