lerp static method

ZeroTimePickerStyle lerp(
  1. ZeroTimePickerStyle? a,
  2. ZeroTimePickerStyle? b,
  3. double t
)

Linearly interpolate between two time picker themes.

The argument t must not be null.

Implementation

static ZeroTimePickerStyle lerp(
    ZeroTimePickerStyle? a, ZeroTimePickerStyle? b, double t) {
  // Workaround since BorderSide's lerp does not allow for null arguments.
  BorderSide? lerpedBorderSide;
  if (a?.dayPeriodBorderSide == null && b?.dayPeriodBorderSide == null) {
    lerpedBorderSide = null;
  } else if (a?.dayPeriodBorderSide == null) {
    lerpedBorderSide = b?.dayPeriodBorderSide;
  } else if (b?.dayPeriodBorderSide == null) {
    lerpedBorderSide = a?.dayPeriodBorderSide;
  } else {
    lerpedBorderSide =
        BorderSide.lerp(a!.dayPeriodBorderSide!, b!.dayPeriodBorderSide!, t);
  }
  return ZeroTimePickerStyle(
    backgroundColor: Color.lerp(a?.backgroundColor, b?.backgroundColor, t),
    hourMinute: HourMinuteControlStyle.lerp(a?.hourMinute, b?.hourMinute, t),
    dayPeriodTextColor:
        Color.lerp(a?.dayPeriodTextColor, b?.dayPeriodTextColor, t),
    dayPeriodColor: Color.lerp(a?.dayPeriodColor, b?.dayPeriodColor, t),
    dialHandColor: Color.lerp(a?.dialHandColor, b?.dialHandColor, t),
    dialBackgroundColor:
        Color.lerp(a?.dialBackgroundColor, b?.dialBackgroundColor, t),
    dialTextColor: Color.lerp(a?.dialTextColor, b?.dialTextColor, t),
    entryModeIconColor:
        Color.lerp(a?.entryModeIconColor, b?.entryModeIconColor, t),
    dayPeriodTextStyle:
        TextStyle.lerp(a?.dayPeriodTextStyle, b?.dayPeriodTextStyle, t),
    helpTextStyle: TextStyle.lerp(a?.helpTextStyle, b?.helpTextStyle, t),
    shape: ShapeBorder.lerp(a?.shape, b?.shape, t),
    dayPeriodShape: ShapeBorder.lerp(a?.dayPeriodShape, b?.dayPeriodShape, t)
        as OutlinedBorder?,
    dayPeriodBorderSide: lerpedBorderSide,
    textfieldStyle: t < 0.5 ? a?.textfieldStyle : b?.textfieldStyle,
  );
}