calculateBorders clone DxfEntity getArrowSize getAttribute getBulge getDimensionLineColor getDimensionLineGap getDimensionLineWidth getEndPoint getEntityId getEntityLayoutId getEntityUuid getExtensionLineColor getExtensionLineExtension getExtensionLineOffset getExtensionLineWidth getFixedLength getFixedLengthOn getGeneralFactor getGeneralScale getInsideHorizontalText getMaxVector getMiddlePoint getMinVector getSize getStartPoint getTextColor getTextHeight getTextStyle getTickSize getType m_Attribute m_EntityId m_EntityParentId m_EntityUuid m_Header m_MaxV m_MinV m_Type m_Version move resetBorders rotate setAttribute setAttribute setEntityLayoutId setHeaderInfo setLayer setLayer setVersion writeDxf ~DxfEntity

getFixedLength() double getFixedLength ( ) const 返回 Dimension fixed length for extension lines.