BoxEquip_Camera.cs
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using OnlineStore.Common;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace OnlineStore.DeviceLibrary
{
partial class BoxEquip
{
Thread[] camerathread;
Asa.HIK.IPCamera camera;
bool loadCameraState = false;
public delegate void CameraAcqEventHandler(CameraArgs cameraArgs);
public event CameraAcqEventHandler camera_event;
void LoadCameraConfig(string id = "")
{
string path = @".\Config\box_Cameras.json";
if (!File.Exists(path))
{
LogUtil.error(Name + "找不到监控相机配置文件" + path);
}
camera = new Asa.HIK.IPCamera(path);
bool rtn = camera.Load();
if (!rtn)
LogUtil.error(Name + "加载监控相机配置文件失败");
camerathread = new Thread[camera.Count];
//pictureBox1.Image = bmp;
loadCameraState = true;
}
void StartCamera()
{
for (int i = 0; i < camera.Count; i++)
{
camerathread[i] = new Thread(new ParameterizedThreadStart(startMonitor));
camerathread[i].IsBackground = true;
camerathread[i].Start(i);
}
}
void startMonitor(object obj)
{
if (!loadCameraState)
{
LogUtil.error(Name + "监控相机初始化失败,无法开启");
return;
}
int idx = (int)obj;
var rtn = camera.Open(idx);
if (!rtn)
LogUtil.error(Name + "打开监控" + idx + "相机失败");
while (camera.IsOpen[idx])
{
rtn = camera.GrabOne(idx, out Bitmap bmp);
if (rtn)
{
camera_event?.Invoke(new CameraArgs(idx, bmp));
}
Thread.Sleep(1000 / 10);
}
}
void StopCamera()
{
for (int i = 0; i < camera.Count; i++)
{
try
{
if (camera.IsOpen[i])
{
camera.Close(i);
camerathread[i].Join();
}
}
catch (Exception e)
{
LogUtil.error($"关闭[{i}]相机失败", e);
}
}
camera.Dispose();
}
public bool AcqImage(int idx,out Bitmap img)
{
return camera.GrabOne(idx, out img);
}
}
public class CameraArgs : EventArgs
{
/// <summary>
/// 相机序号
/// </summary>
public int Index { get; set; }
/// <summary>
/// 相机采集的图片
/// </summary>
public Bitmap Image { get; set; }
public CameraArgs(int idx, Bitmap img)
{
Index = idx;
Image = img;
}
}
}