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

import 'package:fis_measure/utils/canvas.dart';
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';

/// ai的虚线部分
class PaintAIDashLine extends CustomPainter {
  final AiDotsResults aiDotsResults;

  late final aiPatintController = Get.find<AiPatintController>();

  bool get isSelected =>
      aiPatintController.state.aiResultIndex == aiDotsResults.aiResultsIndex;

  PaintAIDashLine(
    this.aiDotsResults,
  );
  @override
  void paint(Canvas canvas, Size size) {
    canvas.drawDashLine(
      aiDotsResults.p1 ?? Offset.zero,
      aiDotsResults.p2 ?? Offset.zero,
      2,
      5,
      isSelected ? aiPaintSelected : aiPaint,
    );
    canvas.drawDashLine(
      aiDotsResults.p3 ?? Offset.zero,
      aiDotsResults.p4 ?? Offset.zero,
      2,
      5,
      isSelected ? aiPaintSelected : aiPaint,
    );
    canvas.drawVertex(
      aiDotsResults.p1 ?? Offset.zero,
      10,
      active: isSelected,
    );
    canvas.drawVertex(
      aiDotsResults.p2 ?? Offset.zero,
      10,
      active: isSelected,
    );
    canvas.drawVertex(
      aiDotsResults.p3 ?? Offset.zero,
      10,
      active: isSelected,
    );
    canvas.drawVertex(
      aiDotsResults.p4 ?? Offset.zero,
      10,
      active: isSelected,
    );
  }

  @override
  bool shouldRepaint(CustomPainter oldDelegate) {
    return false;
  }
}