300 lines
10 KiB
C#
300 lines
10 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Drawing.Imaging;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Basler.Pylon;
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using System.Windows.Forms;
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using System.Diagnostics;
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using System.Threading;
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namespace WindowsFormsApp1
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{
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public class Basler
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{
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private readonly Form1 form;
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public Basler(Form1 form)
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{
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this.form = form;
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}
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//連接相機各數
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public int CameraNumber = CameraFinder.Enumerate().Count;
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// 共享的鎖
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private readonly object lockObject = new object();
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//委託+事件=回調函數，用於傳遞相機抓取的圖像
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public delegate void CameraImage(Bitmap bmp, int cameraIndex);
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public event CameraImage CameraImageEvent;
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//委託+事件=回調函數，用於傳遞相機抓取的圖像
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//public delegate void CameraImage1(Bitmap bmp1);
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//public event CameraImage1 CameraImageEvent1;
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// 創建一個列表來儲存所有的相機
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List<Camera> allCameras = new List<Camera>();
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//Basler裡將相機採集到的圖像轉換成位圖
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PixelDataConverter pxConvert = new PixelDataConverter();
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//控制相機採集圖片的過程！
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public bool Graber;
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public bool freed;
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public bool trigger;
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//第一步初始化相機 所用的cameras里的事件然后绑定自己寫好的事件
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public void CameraInit()
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{
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// 獲取所有可用相機的列表
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List<ICameraInfo> allCameraInfos = CameraFinder.Enumerate();
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// 創建一個字典來儲存每個相機的識別碼和相機物件
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Dictionary<string, Camera> cameras = new Dictionary<string, Camera>();
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foreach (ICameraInfo cameraInfo in allCameraInfos)
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{
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// 創建一個新的相機物件
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Camera camera0 = new Camera(cameraInfo);
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// 獲取相機的識別碼
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string id = camera0.CameraInfo[CameraInfoKey.SerialNumber];
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Console.WriteLine(id);
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// 將相機物件儲存到字典中
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cameras[id] = camera0;
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}
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Graber = true;
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freed = true;
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//相當於初始化了一下相機的動態鏈庫 可以調用Camera裡面的東西
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// 清空 allCameras 列表
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allCameras.Clear();
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// 將字典中的所有相機添加到列表中
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foreach (string id in cameras.Keys)
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{
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allCameras.Add(cameras[id]);
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}
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// 為每個相機設定事件處理程序
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for (int i = 0; i < allCameras.Count; i++)
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{
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//自由連接模式
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//當連接到像機自動適應此配置
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//打开後，添加到Basler.Pylon.ICamera中。
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allCameras[i].CameraOpened += Configuration.AcquireContinuous;
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//抓取开始事件
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allCameras[i].StreamGrabber.GrabStarted += StreamGrabber_GrabStarted;
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//抓取圖片事件
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//allCameras[i].StreamGrabber.ImageGrabbed += (sender, e) => StreamGrabber_ImageGrabbed(sender, e, i);
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//打开相機
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allCameras[i].Open();
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}
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}
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/// <summary>
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/// 斷開連接
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/// </summary>
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public void Close()
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{
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for (int i = 0; i < allCameras.Count; i++)
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{
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//停止連接
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allCameras[i].StreamGrabber.Stop();
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}
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//釋放相機資源
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DestroyCamera();
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}
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/// <summary>
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/// 擷取圖片
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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// 創建一個Bitmap類型的陣列來存儲影像
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private readonly Bitmap[] images;
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// 定義一個可以存放 IGrabResult 物件的陣列
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private readonly IGrabResult[] grabResults;
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private void StreamGrabber_ImageGrabbed(object sender, ImageGrabbedEventArgs e, int cameraIndex)
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{
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lock (lockObject)
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{
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IGrabResult grabResult = e.GrabResult;
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if (grabResult.IsValid && Graber)
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{
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//委托就用到了！
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CameraImageEvent(GrabResult2Bmp(grabResult), cameraIndex);
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}
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}
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}
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//private void StreamGrabber_ImageGrabbed1(object sender, ImageGrabbedEventArgs e)
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//{
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// lock (lockObject)
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// {
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// IGrabResult grabResult1 = e.GrabResult;
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// if (grabResult1.IsValid && Graber)
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// {
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// // 將 IGrabResult 物件存入陣列
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// grabResults[1] = grabResult1;
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// // 在需要時轉換為 Bitmap 物件
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// images[1] = GrabResult2Bmp(grabResults[1]);
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// //委托就用到了！
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// CameraImageEvent1(images[1]);
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// }
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// }
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//}
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/// <summary>
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/// 開始擷取
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void StreamGrabber_GrabStarted(object sender, EventArgs e)
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{
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Graber = true;
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}
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/// <summary>
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/// 釋放相機
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/// </summary>
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public void DestroyCamera()
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{
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if (freed == true)
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{
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for (int i = 0; i < allCameras.Count; i++)
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{
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allCameras[i].Close();
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allCameras[i].Dispose();
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}
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freed = false;
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Graber = false;
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trigger = false;
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MessageBox.Show("相機已斷開連接");
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}
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else
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{
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return;
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}
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}
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/// <summary>
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/// 將相機圖相轉成Bitmap
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/// </summary>
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/// <param name="grabResult"></param>
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/// <returns></returns>
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Bitmap GrabResult2Bmp(IGrabResult grabResult)
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{
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// PixelFormat format:新的像素格式 System.Drawing.Bitmap。 这必须指定一个值，开头 Format。(参1:图宽，参2:图高，参3:像素格式)
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Bitmap b = new Bitmap(grabResult.Width, grabResult.Height, PixelFormat.Format32bppArgb);
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//BitmapData:指定位图像的属性
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BitmapData bitmapData = b.LockBits(new Rectangle(0, 0, b.Width, b.Height), ImageLockMode.ReadWrite, b.PixelFormat);
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//PixelType.BGRA8packed:抓取结果返回像素类型，由图像处理支持类使用
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pxConvert.OutputPixelFormat = PixelType.BGRA8packed;
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IntPtr bmpIntpr = bitmapData.Scan0;
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pxConvert.Convert(bmpIntpr, bitmapData.Stride * b.Height, grabResult);
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b.UnlockBits(bitmapData);
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return b;
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}
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public void judge(int i)
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{
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if (trigger == false)
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{
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trigger = true;
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allCameras[i].StreamGrabber.ImageGrabbed += (sender, e) => StreamGrabber_ImageGrabbed(sender, e, i);
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}
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else
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{
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return;
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}
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}
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public void OneShot(int i)
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{
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judge(i);
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if (Graber == true)
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{
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if (i<CameraNumber)
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{
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//PLCamera:所有可用于basler摄像机设备dByStre的参数名称列表 SingleFrame：启用单帧采集模式。
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allCameras[i].Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.SingleFrame);
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allCameras[i].StreamGrabber.Start(1, GrabStrategy.OneByOne, GrabLoop.ProvidedByStreamGrabber);
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}
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else
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{
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MessageBox.Show("請確保連接相機數量!!");
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}
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}
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else
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{
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MessageBox.Show("請連接相機!!");
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}
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}
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public void KeepShot(int i)
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{
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judge(i);
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if (i == 0)
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{
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form.button3.Enabled = true;
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}
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else if (i == 1)
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{
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form.button7.Enabled = true;
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}
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if (Graber == true)
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{
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if (i < CameraNumber)
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{
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//Continuous：啟用連續採集模式。
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allCameras[i].Parameters[PLCamera.AcquisitionMode].SetValue(PLCamera.AcquisitionMode.Continuous);
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//camera.StreamGrabber.Start(GrabStrategy.OneByOne, GrabLoop.ProvidedByStreamGrabber);
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lock (lockObject)
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{
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//GrabStrategy.OneByOne:默認抓取策略
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//GrabLoop.ProvidedByStreamGrabber:定義額外線呈的使用
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allCameras[i].StreamGrabber.Start(GrabStrategy.OneByOne, GrabLoop.ProvidedByStreamGrabber);
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}
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}
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else
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{
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MessageBox.Show("請確保連接相機數量!!");
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}
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}
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else
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{
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MessageBox.Show("請連接相機!!");
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}
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}
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public void Stop(int i)
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{
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if (allCameras != null)
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{
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if (i < CameraNumber)
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{
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//擷取停止
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allCameras[i].StreamGrabber.Stop();
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}
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else
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{
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MessageBox.Show("請確保連接相機數量!!");
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}
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}
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else
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{
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MessageBox.Show("該相機已停止擷取");
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}
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}
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}
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}
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