aim_pointer/lib/screens/aimpoint_page.dart

import 'dart:async';
import 'dart:ui' as ui;

import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:scence_map/controller.dart';

import '../modules/device_type.dart';

import '../draws/aim_pointer.dart';

final SightController sight = Get.put(SightController());

class AimPointer extends StatefulWidget {
  const AimPointer({super.key});

  @override
  State<AimPointer> createState() => _AimPointerState();
}
//CounterPointer 是一个自定义的 StatefulWidget 类。
//它通过重写 createState 方法来创建一个与之关联的 State 对象。
//createState 方法返回 _CounterPointerState()，这是一个 _CounterPointerState
//类的实例，用于管理 CounterPointer 的状态和生命周期。

class _AimPointerState extends State<AimPointer> {
  @override
  void initState() {
    super.initState();

    // map.disableMove.value = true;
    // map.update();
  }

  String gradienter = "0"; //水平仪
  @override
  Widget build(BuildContext context) {
    final Size size = MediaQuery.of(context).size;
    MediaQueryData mediaQueryData =
        MediaQueryData.fromView(WidgetsBinding.instance.window); //获取当前屏幕信息
    final orientation = mediaQueryData.orientation; //获得设备方向
    bool isPortrait = Orientation.portrait == orientation ? true : false;
    double rectWidth = size.width;
    final deviceType = getDeviceType(context);
    if (orientation == Orientation.landscape) {
      rectWidth = size.width / 2 - 60;
      if (deviceType == DeviceType.mobile) {
        rectWidth = size.height - 130;
      }
    } else {
      rectWidth = size.height / 2;
      if (deviceType == DeviceType.mobile) {
        rectWidth = size.width - 5;
      }
    }
    bool isDarkMode = Theme.of(context).brightness == Brightness.dark;
    List<Widget> children = [
      SizedBox(
        width: rectWidth,
        height: rectWidth,
        child: Card(
          child: Stack(
            children: [
              Container(
                width: rectWidth,
                height: rectWidth,
                clipBehavior: Clip.hardEdge, //圆形剪裁
                decoration: BoxDecoration(
                  border: Border.all(
                      color: isDarkMode ? Colors.white : Colors.black),
                  borderRadius:
                      BorderRadius.all(Radius.circular(rectWidth / 2)),
                ),
                child: const SightView(),
              ),
              Positioned(
                  top: 0,
                  left: 10,
                  child: Obx(() {
                    return TextButton(
                      child: Text(
                        "${sight.plot.value}m",
                        style: const TextStyle(fontSize: 20),
                      ),
                      onPressed: () {
                        if (sight.plot.value == 1) {
                          sight.plot.value = 2;
                        } else {
                          sight.plot.value = 1;
                        }
                        sight.update();
                      },
                    );
                  })),
              Positioned(
                  top: 10,
                  right: 10,
                  child: TextButton(
                    child: Text(
                      "垂直度:$gradienter°",
                      style: const TextStyle(fontSize: 20),
                    ),
                    onPressed: () {},
                  )),
            ],
          ),
        ),
      ),
      const SizedBox(
        width: 5,
        height: 5,
      ),
      const Expanded(
        child: Text(""),
      ),
    ];
    if (isPortrait) {
      return Column(
        children: children,
      );
    } else {
      return Row(
        children: children,
      );
    }
  }
}

// List<Widget> createDevice(ScenceMapController controller) {
//   //用于生成设备的视图小部件列表
//   if (controller.isDrag) {
//     return [];
//   }
//   List<Widget> devices = [];
//   controller.deviceList.forEach((key, item) {
//     devices.add(Obx(() {
//       Offset offset = controller.xy2Screen(
//           gnsscontroller.pilerCenter.X, gnsscontroller.pilerCenter.Y);

//       double carWidth = item.width / controller.pixel2MeterRatio;
//       double carHeight = item.height / controller.pixel2MeterRatio;
//       print("${offset.dx - carHeight * 2},${offset.dy - carWidth}");
//       return Stack(
//         children: [
//           Obx(() {
//             // item.update.value;
//             gnsscontroller.locationUpdate.value;

//             Offset offset = controller.xy2Screen(
//                 gnsscontroller.pilerCenter.X, gnsscontroller.pilerCenter.Y);
//             return Positioned(
//                 left: offset.dx - carHeight * 3.5,
//                 top: offset.dy - carWidth / 2,
//                 // width: ,
//                 height: carWidth,
//                 child: Transform(
//                   transform: Matrix4.identity()
//                     // ..scale(item.scale)

//                     ..rotateZ(gnsscontroller.pilerCenter.rotation),
//                   alignment: FractionalOffset.center,
//                   // child: Image.network(
//                   //   "http://v5.rdc.pub${item.image[item.status.value]}",
//                   //   errorBuilder: (context, error, stackTrace) {
//                   //     return Image.asset("")

//                   // child: Image.asset("images/pilerCar.png",
//                   //     errorBuilder: (context, error, stackTrace) {
//                   //   return Text('无法加载图片');
//                   // }
//                   //     // width: item.width,
//                   //     // height: item.height,
//                   //     )

//                   child: Image.asset(
//                     "images/pilerCar.png",
//                     errorBuilder: (context, error, stackTrace) {
//                       return Text('无法加载图片');
//                     },
//                     // width: item.width,
//                     // height: item.height,
//                   ),
//                 ));
//           }),
//           Positioned(
//               left: offset.dx,
//               top: offset.dy,
//               child: Transform(
//                 transform: Matrix4.identity()
//                   ..rotateZ(-controller.rotation.value),
//                 child: Column(
//                   children: [Text("设备：${item.name}")],
//                 ),
//               ))
//         ],
//       );
//     }));
//   });
//   return devices;
// }