ente/lib/ui/common/only_outer_shadow.dart

import 'package:flutter/material.dart';

class OnlyOuterShadow extends BoxShadow {
  final BlurStyle blurStyle;

  const OnlyOuterShadow({
    Color color = const Color(0xFF000000),
    Offset offset = Offset.zero,
    double blurRadius = 0.0,
    double spreadRadius = 0.0,
    this.blurStyle = BlurStyle.normal,
  }) : super(
          color: color,
          offset: offset,
          blurRadius: blurRadius,
          spreadRadius: spreadRadius,
        );

  @override
  Paint toPaint() {
    final Paint result = Paint()
      ..color = color
      ..maskFilter = MaskFilter.blur(this.blurStyle, blurSigma);
    assert(
      () {
        if (debugDisableShadows) result.maskFilter = null;
        return true;
      }(),
    );
    return result;
  }
}