TOPIC:

                else if( touch.timestamp - m_tstamp_tap > 1 )//1 second
                {
                    dx = point.x * m_scale - m_tx;
                    dy = point.y * m_scale - m_ty;
                    if( dx < 10 && dx > -10 && dy < 10 && dy > -10 )
                    {
                        m_status = sta_none;
                        if( m_delegate )
                            [m_delegate OnLongPressed:point.x * m_scale :point.y * m_scale];
                    }
                }