SfGaugeThemeData constructor
      const
      SfGaugeThemeData({ 
    
- Color backgroundColor = Colors.transparent,
- Color? titleColor,
- Color? axisLabelColor,
- Color? axisLineColor,
- Color? majorTickColor,
- Color? minorTickColor,
- Color? markerColor,
- Color markerBorderColor = Colors.transparent,
- Color? needleColor,
- Color? knobColor,
- Color knobBorderColor = Colors.transparent,
- Color? tailColor,
- Color tailBorderColor = Colors.transparent,
- Color? rangePointerColor,
- Color? rangeColor,
- Color titleBorderColor = Colors.transparent,
- Color titleBackgroundColor = Colors.transparent,
- TextStyle? titleTextStyle,
- TextStyle? axisLabelTextStyle,
- TextStyle? markerTextStyle,
Initialize the gauge theme data
Implementation
const SfGaugeThemeData({
  this.backgroundColor = Colors.transparent,
  this.titleColor,
  this.axisLabelColor,
  this.axisLineColor,
  this.majorTickColor,
  this.minorTickColor,
  this.markerColor,
  this.markerBorderColor = Colors.transparent,
  this.needleColor,
  this.knobColor,
  this.knobBorderColor = Colors.transparent,
  this.tailColor,
  this.tailBorderColor = Colors.transparent,
  this.rangePointerColor,
  this.rangeColor,
  this.titleBorderColor = Colors.transparent,
  this.titleBackgroundColor = Colors.transparent,
  this.titleTextStyle,
  this.axisLabelTextStyle,
  this.markerTextStyle,
});