using AForge.Video;
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using AForge.Video.DirectShow;
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using HalconDotNet;
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using MvCamCtrl.NET;
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using MVSDK;
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using LB_VisionProcesses;
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using OpenCvSharp;
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using SharpCompress;
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using System.Diagnostics;
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using System.Reflection.Metadata;
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using System.Text.RegularExpressions;
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using System.Timers;
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using System.Windows.Forms;
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using LB_VisionProcesses.Cameras;
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namespace LB_VisionProcesses.Cameras.LocalCameras
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{
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public class LocalCamera : BaseCamera
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{
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#region variable
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VideoCaptureDevice _capture = null;
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IntPtr Handle = IntPtr.Zero;
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TriggerMode _triggerMode = TriggerMode.On; // 触发模式
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#endregion
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public LocalCamera()
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{
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Brand = CameraBrand.LocalCamera;
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}
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public override bool AutoBalanceWhite()
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{
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return true;
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}
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public override bool CloseDevice()
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{
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try
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{
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if (_capture != null)
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{
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_capture.NewFrame -= VideoSource_NewFrame;
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// 停止采集
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_capture.SignalToStop();
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_capture.WaitForStop();
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_capture.Stop();
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_capture = null;
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}
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isGrabbing = false;
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return true;
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}
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catch { return false; }
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}
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public override bool GetExpouseTime(out double value)
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{
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value = 0;
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return true;
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}
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public override bool GetGain(out double gain)
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{
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gain = 0;
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return true;
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}
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public override bool GetLineStatus(IOLines line, out LineStatus lineStatus)
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{
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lineStatus = LineStatus.Hight;
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return true;
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}
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public override List<string> GetListEnum()
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{
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List<string> cameras = new List<string>();
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FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
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foreach (FilterInfo device in videoDevices)
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{
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cameras.Add($"{device.Name}({device.MonikerString})");
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}
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return cameras;
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}
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public override bool GetTriggerDelay(out double delay)
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{
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delay = 0;
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return true;
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}
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public override bool GetTriggerFliter(out double flitertime)
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{
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flitertime = 0;
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return true;
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}
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public override bool GetTriggerMode(out TriggerMode mode, out TriggerSource source)
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{
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mode = _triggerMode;
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source = TriggerSource.Software;
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return true;
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}
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public override bool GetTriggerPolarity(out TriggerPolarity polarity)
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{
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polarity = TriggerPolarity.RisingEdge;
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return true;
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}
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public override bool InitDevice(string SN, object Handle)
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{
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try
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{
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if (!(Handle is IntPtr) || Handle == null)
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{
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MessageBox.Show("初始化失败,窗体句柄为null !", "异常");
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return false;
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}
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FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
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foreach (FilterInfo device in videoDevices)
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{
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if (SN.Equals($"{device.Name}({device.MonikerString})"))
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{
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_capture = new VideoCaptureDevice(device.MonikerString);
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var formats = _capture.VideoCapabilities;
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//设置为最高分辨率
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if (formats.Length > 1)
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_capture.VideoResolution = formats[0];
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if (_capture.IsRunning)
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_capture.Stop();
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this.SN = SN;
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this.Handle = (IntPtr)Handle;
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try
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{
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// 订阅
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_capture.NewFrame -= VideoSource_NewFrame;
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_capture.NewFrame += VideoSource_NewFrame;
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// 设置为Off会一直触发回调
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SetTriggerMode(TriggerMode.On, TriggerSource.Software);
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// 开始拉流
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// Start grabbing
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if (!StartGrabbing())
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{
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Debug.WriteLine("开始采集失败");
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return false;
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}
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}
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catch { /* Ignore if not supported */ }
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return true;
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}
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}
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return false;
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}
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catch { return false; }
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}
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private void VideoSource_NewFrame(object sender, NewFrameEventArgs eventArgs)
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{
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try
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{
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Bitmap frame = (Bitmap)eventArgs.Frame.Clone(); // 防止资源占用
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if (frame != null)
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{
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try
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{
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if (this.ImageGrabbed != null)
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this.ImageGrabbed(this, new CameraEventArgs(SN, frame));
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//if (this.TriggerRunMessageReceived != null)
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// this.TriggerRunMessageReceived(SN, "Line0");
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CallBackImg = frame;
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}
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catch { }
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}
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}
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catch { }
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}
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void Timer_CaptureFrame(object sender, ElapsedEventArgs e)
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{
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try
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{
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if (!isGrabbing)
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return;
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//触发模式为软触发时,定时模拟触发
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if (_triggerMode != TriggerMode.On)
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_capture.SimulateTrigger(); // 模拟触发
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}
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catch { }
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}
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public override bool SetExpouseTime(double value)
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{
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return true;
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}
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public override bool SetGain(double gain)
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{
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return true;
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}
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public override bool SetLineMode(IOLines line, LineMode mode)
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{
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return true;
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}
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public override bool SetLineStatus(IOLines line, LineStatus linestatus)
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{
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return true;
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}
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public override bool SetTriggerDelay(double delay)
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{
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return true;
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}
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public override bool SetTriggerFliter(double flitertime)
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{
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return true;
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}
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public override bool SetTriggerMode(TriggerMode mode, TriggerSource triggerEnum = TriggerSource.Line0)
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{
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try
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{
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_triggerMode = mode;
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if (_triggerMode == TriggerMode.On)
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{
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// 停止采集
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_capture.SignalToStop();
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_capture.WaitForStop();
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}
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else
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_capture.Start();
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return true;
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}
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catch { return false; }
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}
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public override bool SetTriggerPolarity(TriggerPolarity polarity)
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{
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return true;
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}
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public override bool SoftTrigger()
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{
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CallBackImg = null;
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if (_capture == null)
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return false;
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try
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{
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_capture.Start();
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DateTime StartTime = DateTime.Now;
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while (CallBackImg == null && (DateTime.Now - StartTime).TotalSeconds < 5)
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Thread.Sleep(200);
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if (_capture.IsRunning)
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{
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_capture.SignalToStop();
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_capture.WaitForStop();
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}
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return true;
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}
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catch { return false; }
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}
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public override bool StartGrabbing()
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{
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try
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{
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if (_capture == null)
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return false;
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_capture.Start();
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if (_triggerMode == TriggerMode.On)
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{
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// 停止采集
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_capture.SignalToStop();
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_capture.WaitForStop();
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}
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CallBackImg = null;
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isGrabbing = true;
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return true;
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}
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catch { return false; }
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}
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public override bool StopGrabbing()
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{
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try
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{
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if (_capture == null)
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return false;
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_capture.SignalToStop();
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_capture.WaitForStop();
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isGrabbing = false;
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CallBackImg = null;
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return true;
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}
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catch { return false; }
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}
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public void SetSetting(int show = 1)
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{
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if (_capture != null && Handle != IntPtr.Zero)
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_capture.DisplayPropertyPage(this.Handle);
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}
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public override bool GetImage(out Bitmap bitmap, int outtime = 3000)
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{
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bitmap = null;
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try
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{
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// 设置超时时间
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DateTime lastTime = DateTime.Now.AddMilliseconds(outtime);
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// 判断是否超时
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while (lastTime > DateTime.Now)// 设置超时时间为 3 秒
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{
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try
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{
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if (CallBackImg != null)
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{
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// 保存旧 Bitmap 并释放
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bitmap = CallBackImg.Clone() as Bitmap; // 创建副本
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// 释放旧资源
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CallBackImg.Dispose();
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CallBackImg = null;
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return true;
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}
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}
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catch { }
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Thread.Sleep(10);
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}
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return false;
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}
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catch { return bitmap == null ? false : true; }
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}
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public override bool GetImageWithSoftTrigger(out Bitmap bitmap, int outtime = 3000)
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{
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if (!isGrabbing)
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{
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StartGrabbing();
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}
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GetTriggerMode(out TriggerMode triggerMode, out TriggerSource triggerSource);
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if (triggerMode != TriggerMode.On && triggerSource != TriggerSource.Software)
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{
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SetTriggerMode(TriggerMode.On, TriggerSource.Software);
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}
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bitmap = null;
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CallBackImg = null;
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if (!SoftTrigger())
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{
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return false;
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}
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// 开始时间
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DateTime startTime = DateTime.Now; // 当前时间
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// 判断是否超时
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while (DateTime.Now < startTime.AddMilliseconds(outtime))// 设置超时时间为 3 秒
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{
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GetImage(out bitmap, 50);
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if (bitmap != null)
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{
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break;
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}
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Thread.Sleep(10);
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}
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if (triggerMode != TriggerMode.On)
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{
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SetTriggerMode(TriggerMode.On, triggerSource);
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}
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return (bitmap != null);
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}
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public override void SetCamConfig(CameraConfig config)
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{
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if (Enum.TryParse(config.Params.Inputs["触发模式"].ToString(), out TriggerMode TriggerMode)
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&& Enum.TryParse(config.Params.Inputs["触发方式"].ToString(), out TriggerSource TriggerSource)
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&& Enum.TryParse(config.Params.Inputs["触发极性"].ToString(), out TriggerPolarity TriggerPolarity)
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)
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{
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SetTriggerMode(TriggerMode, TriggerSource);
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SetTriggerPolarity(TriggerPolarity);
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//SetTriggerFliter(Convert.ToDouble(config.Params.Inputs["触发消抖"].ToString()));
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//SetTriggerDelay(Convert.ToDouble(config.Params.Inputs["触发延时"].ToString()));
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SetExpouseTime(Convert.ToDouble(config.Params.Inputs["曝光时间"].ToString()));
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SetGain(Convert.ToDouble(config.Params.Inputs["增益"].ToString()));
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}
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}
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public override void GetCamConfig(out CameraConfig config)
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{
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GetTriggerMode(out TriggerMode triggerMode, out TriggerSource triggerSource);
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GetTriggerPolarity(out TriggerPolarity triggerPolarity);
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//GetTriggerFliter(out double triggerfilter);
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//GetTriggerDelay(out double triggerdelay);
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GetExpouseTime(out double expouseTime);
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GetGain(out double gain);
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config = new CameraConfig(null);
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config.Params.Inputs.Add("触发模式", triggerMode);
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config.Params.Inputs.Add("触发方式", triggerSource);
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config.Params.Inputs.Add("触发极性", triggerPolarity);
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//config.Params.Inputs.Add("触发消抖", triggerfilter);
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//config.Params.Inputs.Add("触发延时", triggerdelay);
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config.Params.Inputs.Add("曝光时间", expouseTime);
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config.Params.Inputs.Add("增益", gain);
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}
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public override bool StartWith_SoftTriggerModel()
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{
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SetTriggerMode(TriggerMode.Off, TriggerSource.Software);
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return StartGrabbing();
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}
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public override bool StartWith_HardTriggerModel(TriggerSource hardtriggeritem = TriggerSource.Line0)
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{
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if (hardtriggeritem == TriggerSource.Software) hardtriggeritem = TriggerSource.Line0;
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SetTriggerMode(TriggerMode.On, hardtriggeritem);
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return StartGrabbing();
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}
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public override bool StartContinuousGrab()
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{
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throw new NotImplementedException();
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}
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}
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}
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