CL_Quad::CL_Quad(); CL_Quad::CL_Quad( const CL_Vec2 < int > & new_p, const CL_Vec2 < int > & new_q, const CL_Vec2 < int > & new_r, const CL_Vec2 < int > & new_s); CL_Quad::CL_Quad( const CL_Rect & rect); CL_Quad::CL_Quad( const CL_Quadx < int > & quad);