calculateBorders clone DxfSolid DxfSolid DxfSolid getCorner m_Corner move rotate setCorner shapeArrow writeDxf ~DxfSolid

writeDxf() virtual void writeDxf ( dxfW *  writer ) overridevirtual 写dxf文件 重载 DxfEntity . 被 Dxf3DFace 重载.