ParametricFilter.fromJson constructor

Implementation

factory ParametricFilter.fromJson(Map<String, dynamic> json) {
  String _type = json["_type"];
  switch (_type) {
    case "LegacyFilter":
      return LegacyFilter.fromJson(json);
    case "ScanbotBinarizationFilter":
      return ScanbotBinarizationFilter.fromJson(json);
    case "CustomBinarizationFilter":
      return CustomBinarizationFilter.fromJson(json);
    case "ColorDocumentFilter":
      return ColorDocumentFilter.fromJson(json);
    case "BrightnessFilter":
      return BrightnessFilter.fromJson(json);
    case "ContrastFilter":
      return ContrastFilter.fromJson(json);
    case "GrayscaleFilter":
      return GrayscaleFilter.fromJson(json);
    case "WhiteBlackPointFilter":
      return WhiteBlackPointFilter.fromJson(json);
    default:
      throw ArgumentError("Invalid polymorphic type: $_type");
  }
}