toJson method

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> optionsMap = <String, dynamic>{};

  void addIfNonNull(String fieldName, dynamic value) {
    if (value != null) {
      optionsMap[fieldName] = value;
    }
  }

  addIfNonNull('topLeft', this.topLeft.toJson());
  addIfNonNull('bottomRight', this.bottomRight.toJson());
  return optionsMap;
}