fis_lib_measure/lib/interfaces/process/standard_line/calibration.dart

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

abstract class IStandardLineCalibrationController {
  /// 编辑状态
  StandardLineCalibrationEditState get editState;

  /// 是否在编辑
  bool get isEditing;

  /// 绘制点集
  List<DPoint> get drawPoints;

  /// 每个物理单位（cm）占的显示长度
  double get displayLengthInPhysics;

  /// 进入设置模式
  void enterEditMode();

  /// 取消编辑
  void cancelEdit();

  ///  确认编辑结果
  void confirmEdit(double physicalLength);

  /// 处理手势点
  ///
  /// [offset] 坐标点
  ///
  /// [type] 坐标点来源
  void executeGesturePoint(Offset offset, PointInfoType type);

  /// 准备更新ui
  late final FEventHandler<void> updateReady;

  /// 编辑状态变化事件
  late final FEventHandler<StandardLineCalibrationEditState> editStateChanged;
}

/// 参考校准线编辑状态
enum StandardLineCalibrationEditState {
  inactive,
  ready,
  drawing,
  drawn,
  done,
}