fromJson method

@override Rect? fromJson(Map<String, dynamic>? json)

Implementation

@override
Rect? fromJson(Map<String, dynamic>? json) {
  if (json == null) return null;

  String? type = json['type'];
  switch (type) {
    case 'center':
      return Rect.fromCenter(
        center: const NullableOffsetConverter().fromJson(
          json['center'],
        )!,
        height: (json['height'] as num).toDouble(),
        width: (json['width'] as num).toDouble(),
      );

    case 'circle':
      return Rect.fromCircle(
        center: const NullableOffsetConverter().fromJson(
          json['center'],
        )!,
        radius: (json['radius'] as num).toDouble(),
      );

    case 'largest':
      return Rect.largest;

    case 'ltrb':
      return Rect.fromLTRB(
        (json['left'] as num).toDouble(),
        (json['top'] as num).toDouble(),
        (json['right'] as num).toDouble(),
        (json['bottom'] as num).toDouble(),
      );

    case 'ltwh':
      return Rect.fromLTWH(
        (json['left'] as num).toDouble(),
        (json['top'] as num).toDouble(),
        (json['width'] as num).toDouble(),
        (json['height'] as num).toDouble(),
      );

    case 'points':
      return Rect.fromPoints(
        const NullableOffsetConverter().fromJson(
          json['a'],
        )!,
        const NullableOffsetConverter().fromJson(
          json['b'],
        )!,
      );

    case 'zero':
      return Rect.zero;
  }

  throw 'Unsuported_Json_Value';
}