copy equals getEndArrayHead getExtraWidth getFillAlpha getFillARGB getFillColor getLineAlpha getLineARGB getLineColor getLineStyle getLineStyleEx getLineWidth getStartArrayHead GiContext GiContext GiContext hasArrayHead hasFillColor isAutoScale isNullLine m_arrayHead m_autoScale m_fillColor m_lineColor m_lineStyle m_lineWidth operator!= operator= operator== setEndArrayHead setExtraWidth setFillAlpha setFillARGB setFillColor setFillColor setFillColor setLineAlpha setLineARGB setLineColor setLineColor setLineColor setLineStyle setLineWidth setNoFillColor setNullLine setStartArrayHead

setLineAlpha() void GiContext::setLineAlpha ( int  alpha ) 设置线条透明度，0到255，0表示全透明，255表示不透明 这是这个函数的调用关系图: