calculateBorders clone DxfMText getAngle getBackward getBold getDimension getFont getHAlign getHeight getInsertionPoint getItalic getLineSpacingFactor getMTextDrawingDirection getMTextLineSpacingStyle getStyle getText getUpsideDown getUsedTextHeight getUsedTextWidth getVAlign getWidth getWidthFactor m_Amplify m_Angle m_Backward m_Bold m_Dimension m_Font m_HAlign m_Height m_HeightInDxf m_InsertionPoint m_Italic m_LineSpacingFactor m_MTextDrawingDirection m_MTextLineSpacingStyle m_Scale m_Style m_Text m_UpsideDown m_UsedTextHeight m_UsedTextWidth m_VAlign m_Width m_WidthFactor move rotate setAmplify setAngle setFont setHeight setInsectionPoint setScale setStyle setText setWidthFactor writeDxf ~DxfMText

getLineSpacingFactor() double getLineSpacingFactor ( ) 返回行距系数