Shrink the rectangle.
CL_Rectx<double >& CL_Rectx< double >::shrink( const double & left, const double & top, const double & right, const double & bottom); CL_Rectx<double >& CL_Rectx< double >::shrink( const double & left_right, const double & top_bottom); CL_Rectx<double >& CL_Rectx< double >::shrink( const double & shrink);