using System;
using System.Threading;
using System.Drawing; // 或者使用其他图像处理库

public class CameraThread
{
    private readonly int _cameraId;
    private readonly Action<Bitmap> _onImageCaptured;
    private Thread _thread;
    private bool _running;

    public CameraThread(int cameraId, Action<Bitmap> onImageCaptured)
    {
        _cameraId = cameraId;
        _onImageCaptured = onImageCaptured;
        _running = false;
    }

    public void Start()
    {
        _running = true;
        _thread = new Thread(Run);
        _thread.Start();
    }

    public void Stop()
    {
        _running = false;
        _thread?.Join();
    }

    private void Run()
    {
        while (_running)
        {
            // 模拟图像捕获
            Bitmap image = CaptureImageFromCamera(_cameraId);
            _onImageCaptured?.Invoke(image);

            // 休眠一段时间，模拟捕获间隔
            Thread.Sleep(1000);
        }
    }

    private Bitmap CaptureImageFromCamera(int cameraId)
    {
        // 这里添加实际的图像捕获代码
        // 例如，从相机 SDK 捕获图像并返回
        return new Bitmap(640, 480); // 模拟图像
    }
}