fis_lib_measure/lib/view/paint/parts/dots.dart

import 'dart:ui';

import 'package:fis_measure/view/paint/ai_patint_controller.dart';
import 'package:fis_measure/view/paint/ai_patint_state.dart';
import 'package:fis_measure/view/paint/parts/index.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:path_drawing/path_drawing.dart';

/// ai描点
class PaintAIDots extends CustomPainter {
  final AiDotsResults aiDotsResults;
  late final aiPatintController = Get.find<AiPatintController>();
  final int aiResultIndex;

  PaintAIDots(
    this.aiDotsResults,
    this.aiResultIndex,
  );
  bool get isSelected => aiResultIndex == aiDotsResults.aiResultsIndex;
  @override
  void paint(Canvas canvas, Size size) {
    final contoursPaint = Paint()
      ..color = Colors.green
      ..strokeCap = StrokeCap.round
      ..strokeWidth = 3.0
      ..style = PaintingStyle.stroke;

    // 遍历 contoursPoints 绘制轮廓
    if (aiDotsResults.aiResultsList.isNotEmpty) {
      Path path = Path();
      path.moveTo(
          aiDotsResults.aiResultsList[0].dx, aiDotsResults.aiResultsList[0].dy);
      for (int i = 1; i < aiDotsResults.aiResultsList.length; i++) {
        path.lineTo(aiDotsResults.aiResultsList[i].dx,
            aiDotsResults.aiResultsList[i].dy);
      }
      path.close();
      canvas.drawPath(
        dashPath(
          path,
          dashArray: CircularIntervalList<double>([1, 10]),
        ),
        isSelected ? aiPaintSelected : aiPaint,
      );
    }
    // canvas.drawPoints(
    //   ///PointMode的枚举类型有三个，points（点），lines（线，隔点连接），polygon（线，相邻连接）
    //   PointMode.points,
    //   aiDotsResults.aiResultsList,
    //   isSelected ? aiPaintSelected : aiPaint,
    // );
  }

  @override
  bool shouldRepaint(covariant PaintAIDots oldDelegate) {
    return oldDelegate.hashCode != hashCode;
  }
}