calculateBorders clone DxfHatch getAngle getHatchPat getPatternLines getPatternName getScale getShowEdgeLine getSolid m_Angle m_HatchPat m_Pattern m_PatternName m_Scale m_ShowEdgeLine m_Solid resetHatchEntities resetHatchLoopEntities rotate setHatchPat setPatternName setPatternPath setShowEdgeLine writeDxf ~DxfHatch

calculateBorders() virtual void calculateBorders ( ) overridevirtual 计算坐标范围 重载 DxfEntityContainer .