addSVGPath append arcTo arcTo beziersTo bezierTo clear closeFigure copy crossWithPath genericRoundLines getCount getEndPoint getEndTangent getLength getNodeType getPoint getPoints getStartPoint getStartTangent getSubPathCount getTypes horzTo isClosed isCurve isLine isLines linesTo lineTo m_data MgPath MgPath MgPath MgPath moveTo quadsTo quadTo reverse scanSegments setPath setPath setPoint smoothBezierTo smoothQuadTo startFigure transform trimStart vertTo ~MgPath

isClosed() bool MgPath::isClosed ( ) const 返回是否为闭合图形 这是这个函数的调用关系图: