lerp static method

SfMapsThemeData? lerp(SfMapsThemeData? a, SfMapsThemeData? b, double t)

Linearly interpolate between two themes.

The arguments must not be null.

Implementation

static SfMapsThemeData? lerp(
  SfMapsThemeData? a,
  SfMapsThemeData? b,
  double t,
) {
  if (a == null && b == null) {
    return null;
  }
  return SfMapsThemeData(
    layerColor: Color.lerp(a!.layerColor, b!.layerColor, t),
    layerStrokeColor: Color.lerp(a.layerStrokeColor, b.layerStrokeColor, t),
    layerStrokeWidth: lerpDouble(a.layerStrokeWidth, b.layerStrokeWidth, t)!,
    shapeHoverColor: Color.lerp(a.shapeHoverColor, b.shapeHoverColor, t),
    shapeHoverStrokeColor: Color.lerp(
      a.shapeHoverStrokeColor,
      b.shapeHoverStrokeColor,
      t,
    ),
    shapeHoverStrokeWidth: lerpDouble(
      a.shapeHoverStrokeWidth,
      b.shapeHoverStrokeWidth,
      t,
    ),
    legendTextStyle: TextStyle.lerp(a.legendTextStyle, b.legendTextStyle, t),
    markerIconColor: Color.lerp(a.markerIconColor, b.markerIconColor, t),
    markerIconStrokeColor: Color.lerp(
      a.markerIconStrokeColor,
      b.markerIconStrokeColor,
      t,
    ),
    markerIconStrokeWidth:
        lerpDouble(a.markerIconStrokeWidth, b.markerIconStrokeWidth, t)!,
    dataLabelTextStyle: TextStyle.lerp(
      a.dataLabelTextStyle,
      b.dataLabelTextStyle,
      t,
    ),
    bubbleColor: Color.lerp(a.bubbleColor, b.bubbleColor, t),
    bubbleStrokeColor: Color.lerp(
      a.bubbleStrokeColor,
      b.bubbleStrokeColor,
      t,
    ),
    bubbleStrokeWidth:
        lerpDouble(a.bubbleStrokeWidth, b.bubbleStrokeWidth, t)!,
    bubbleHoverColor: Color.lerp(a.bubbleHoverColor, b.bubbleHoverColor, t),
    bubbleHoverStrokeColor: Color.lerp(
      a.bubbleHoverStrokeColor,
      b.bubbleHoverStrokeColor,
      t,
    ),
    bubbleHoverStrokeWidth: lerpDouble(
      a.bubbleHoverStrokeWidth,
      b.bubbleHoverStrokeWidth,
      t,
    ),
    selectionColor: Color.lerp(a.selectionColor, b.selectionColor, t),
    selectionStrokeColor: Color.lerp(
      a.selectionStrokeColor,
      b.selectionStrokeColor,
      t,
    ),
    selectionStrokeWidth:
        lerpDouble(a.selectionStrokeWidth, b.selectionStrokeWidth, t)!,
    tooltipColor: Color.lerp(a.tooltipColor, b.tooltipColor, t),
    tooltipStrokeColor: Color.lerp(
      a.tooltipStrokeColor,
      b.tooltipStrokeColor,
      t,
    ),
    tooltipStrokeWidth:
        lerpDouble(a.tooltipStrokeWidth, b.tooltipStrokeWidth, t)!,
    tooltipBorderRadius:
        BorderRadiusGeometry.lerp(
          a.tooltipBorderRadius,
          b.tooltipBorderRadius,
          t,
        )!,
    toggledItemColor: Color.lerp(a.toggledItemColor, b.toggledItemColor, t),
    toggledItemStrokeColor: Color.lerp(
      a.toggledItemStrokeColor,
      b.toggledItemStrokeColor,
      t,
    ),
    toggledItemStrokeWidth: lerpDouble(
      a.toggledItemStrokeWidth,
      b.toggledItemStrokeWidth,
      t,
    ),
  );
}