toJson method

@override Map<String, dynamic>? toJson(Gradient? object)

Implementation

@override
Map<String, dynamic>? toJson(Gradient? object) {
  if (object == null) return null;

  if (object is LinearGradient) {
    return {
      'begin': const NullableAlignmentConverter()
          .toJson(object.begin as Alignment?),
      'colors': _encodeList<String?>(
        object.colors,
        (object) => const NullableColorConverter().toJson(object),
      ),
      'end':
          const NullableAlignmentConverter().toJson(object.end as Alignment?),
      'stops': object.stops,
      'tileMode': const NullableTileModeConverter().toJson(object.tileMode),
      'transform':
          const NullableGradientTransformConverter().toJson(object.transform),
      'type': 'linear',
    };
  } else if (object is RadialGradient) {
    return {
      'center': const NullableAlignmentConverter()
          .toJson(object.center as Alignment?),
      'colors': _encodeList<String?>(
        object.colors,
        (object) => const NullableColorConverter().toJson(object),
      ),
      'focal': const NullableAlignmentConverter()
          .toJson(object.focal as Alignment?),
      'focalRadius': object.focalRadius,
      'radius': object.radius,
      'stops': object.stops,
      'tileMode': const NullableTileModeConverter().toJson(object.tileMode),
      'transform':
          const NullableGradientTransformConverter().toJson(object.transform),
      'type': 'radial',
    };
  } else if (object is SweepGradient) {
    return {
      'center': const NullableAlignmentConverter()
          .toJson(object.center as Alignment?),
      'colors': _encodeList<String?>(
        object.colors,
        (object) => const NullableColorConverter().toJson(object),
      ),
      'endAngle': object.endAngle,
      'startAngle': object.startAngle,
      'stops': object.stops,
      'tileMode': const NullableTileModeConverter().toJson(object.tileMode),
      'transform':
          const NullableGradientTransformConverter().toJson(object.transform),
      'type': 'sweep',
    };
  }

  throw 'Json_Unsuported_Value';
}