lerp static method

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

Interpolates between two progress styles for animated theme transitions.

Implementation

static FdcProgressBarStyle lerp(
  FdcProgressBarStyle? a,
  FdcProgressBarStyle? b,
  double t,
) {
  final left = a ?? defaults;
  final right = b ?? defaults;
  return FdcProgressBarStyle(
    height: lerpDouble(left.height, right.height, t),
    borderRadius: t < 0.5 ? left.borderRadius : right.borderRadius,
    trackColor: Color.lerp(left.trackColor, right.trackColor, t),
    valueColor: Color.lerp(left.valueColor, right.valueColor, t),
    indeterminateValueColor: Color.lerp(
      left.indeterminateValueColor,
      right.indeterminateValueColor,
      t,
    ),
    backgroundBorder: t < 0.5
        ? left.backgroundBorder
        : right.backgroundBorder,
    animationDuration: t < 0.5
        ? left.animationDuration
        : right.animationDuration,
    reserveSpaceWhenIdle: t < 0.5
        ? left.reserveSpaceWhenIdle
        : right.reserveSpaceWhenIdle,
    visibilityDelay: t < 0.5 ? left.visibilityDelay : right.visibilityDelay,
    pollInterval: t < 0.5 ? left.pollInterval : right.pollInterval,
    displayMode: t < 0.5 ? left.displayMode : right.displayMode,
  );
}