fis_lib_measure/lib/interfaces/process/annotations/annotation.dart

import 'package:fis_common/event/event_type.dart';
import 'package:fis_measure/interfaces/date_types/point.dart';
import 'package:fis_measure/interfaces/enums/annotation.dart';
import 'package:fis_measure/interfaces/process/workspace/point_info.dart';
import 'package:flutter/painting.dart';

/// 注释
abstract class IAnnotationItem {
  /// 类型
  AnnotationType get type;

  /// 状态
  AnnotationStates get state;

  /// 记录集合
  List<IAnnotationItemFeature> get features;

  /// 当前注释
  IAnnotationItemFeature? get feature;

  /// 注释文本
  String? get text;
  set text(String? value);

  /// 处理手势
  bool execute(PointInfo args);

  /// 结束最后一次操作状态
  void finishLast();

  /// Feature更新
  late final FEventHandler<IAnnotationItemFeature?> featureUpdated;
}

/// 注释记录
abstract class IAnnotationItemFeature {
  /// 坐标
  DPoint get position;

  /// 是否活动
  bool get isActive;

  /// 绘制
  void paint(Canvas canvas, Size size);
}