MyCamera.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;
using System.Windows.Forms;
namespace OnlineStore.DeviceLibrary
{
public class MyCamera
{
static Asa.Camera.VisionLib camera;
static bool loadCameraState = false;
static List<string> cameraList = new List<string>();
public static void LoadCameraConfig()
{
if (loadCameraState)
return;
string path = @".\Config\Camera.json";
if (!File.Exists(path))
{
LogUtil.error("找不到监控相机配置文件" + path);
}
camera = new Asa.Camera.VisionLib(path);
loadCameraState = true;
}
public static void StartCamera(string cameraName)
{
if (cameraList.Contains(cameraName))
{
CloseCamera(cameraName);
}
camera.Open(cameraName);
cameraList.Add(cameraName);
}
// void startMonitor(object obj)
//{
// if (!loadCameraState)
// {
// LogUtil.error(cameraName + "监控相机初始化失败,无法开启");
// return;
// }
// string name = (string)obj;
// while (IsOpen)
// {
// Bitmap bmp = AcqImage(name);
// if (bmp != null)
// {
// camera_event?.Invoke(new CameraArgs(name, bmp));
// }
// Thread.Sleep(300);
// }
//}
public static void CloseCamera(string cameraName)
{
camera.Close(cameraName);
cameraList.Remove(cameraName);
}
public static Bitmap AcqImage(string camName)
{
if (!cameraList.Contains(camName))
{
StartCamera(camName);
}
Bitmap bitmap = camera.GetImage(camName);
return bitmap;
}
public static void DisposeCamera()
{
camera.Close();
camera.Dispose();
}
}
public class CameraArgs : EventArgs
{
/// <summary>
/// 相机名
/// </summary>
public string CamName { get; set; }
/// <summary>
/// 相机采集的图片
/// </summary>
public Bitmap Image { get; set; }
public CameraArgs(string name, Bitmap img)
{
CamName = name;
Image = img;
}
}
}