lerp static method

Implementation

static FolderViewLineTheme lerp(
  FolderViewLineTheme? a,
  FolderViewLineTheme? b,
  double t,
) {
  if (a == null && b == null) {
    return const FolderViewLineTheme(lineColor: Color(0xFF000000));
  }
  if (a == null) return b!;
  if (b == null) return a;

  return FolderViewLineTheme(
    lineColor: Color.lerp(a.lineColor, b.lineColor, t)!,
    lineWidth: lerpDouble(a.lineWidth, b.lineWidth, t),
    lineStyle: t < 0.5 ? a.lineStyle : b.lineStyle,
  );
}