anchor.diff:          data: cardNumber,
           width: SizeConfig.safeBlockVertical * 60,
           height: 80,
  -        style: TextStyle(letterSpacing: SizeConfig.safeBlockVertical * 3, fontSize: 0, color: Colors.white),
  +        style: TextStyle(letterSpacing: SizeConfig.safeBlockVertical * 3,
  +            fontSize: 0,
  +            color: Colors.white),
         );
       } else {
         barcodeWithText = BarcodeWidget(
  
positive.code:         data: cardNumber,
          width: SizeConfig.safeBlockHorizontal * 50,
          height: 40,
          style: TextStyle(letterSpacing: SizeConfig.safeBlockHorizontal * 1.5, fontSize: 0, color: Colors.white),
        );
      }
  
  
negative.code: }
  
  //Image Scaling
  class ScalingUtility {
    MediaQueryData _queryData;
    static double horizontalSafeBlock;
    static double verticalSafeBlock;
  
    void getCurrentMeasurements(BuildContext context) {
    /// Find screen size
      _queryData = MediaQuery.of(context);
  
      /// Calculate blocks accounting for notches and home bar
      horizontalSafeBlock = (_queryData.size.width -
      (_queryData.padding.left + _queryData.padding.right)) /
      100;
      verticalSafeBlock = (_queryData.size.height -
      (_queryData.padding.top + _queryData.padding.bottom)) /
      100;
      }
    }
  
    class SizeConfig {
      static MediaQueryData _mediaQueryData;
      static double screenWidth;
      static double screenHeight;
      static double blockSizeHorizontal;
      static double blockSizeVertical;
  
      static double _safeAreaHorizontal;
      static double _safeAreaVertical;
      static double safeBlockHorizontal;
      static double safeBlockVertical;
  
      void init(BuildContext context) {
      _mediaQueryData = MediaQuery.of(context);
      screenWidth = _mediaQueryData.size.width;
      screenHeight = _mediaQueryData.size.height;
  