VisionPro二开之相机类设计
一 CameraService
usingCognex.VisionPro;usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Text;usingSystem.Threading.Tasks;usingSystem.Windows.Forms;namespaceVP之相机调试2{publicclassCameraService{//1. 私有静态变量（在第四步供外界使用），创建类的实例//2. 私有构造函数，确保外部无法直接实例化（确保是单个实例）//3. 确定供外界调用的代码资源//4. 公开静态属性，供外界使用（把第一步类的实例，开放出去）//5. 外界使用//1. 创建类的实例,同时变成私有的静态变量（在第四步供外界使用），privatestaticCameraServiceinstance=newCameraService();//2. 私有构造函数，确保外部无法直接实例化（确保是单个实例）privateCameraService(){}//4. 公开静态属性，供外界使用（把第一步类的实例，开放出去）publicstaticCameraServiceInstance{get{returninstance;}}//3. 确定供外界调用的代码资源VPCameraCamera1=newVPCamera();/// <summary>/// 打开相机/// </summary>/// <param name="SerialNum"></param>/// <returns></returns>publicboolOpenDevice(stringSerialNum){Camera1.grabGrayImage+=GrabImage;Camera1.SerialNumber=SerialNum;if(Camera1.OpenDevice()){returntrue;}else{returnfalse;}}/// <summary>/// 关闭设备/// </summary>publicvoidCloseDevice(){Camera1.CloseDevice();}/// <summary>/// 开始采集/// </summary>publicvoidStartGrab(){}/// <summary>/// 停止采集/// </summary>publicvoidStopGrab(){}/// <summary>/// 软触发一次/// </summary>publicvoidSnapImage(){Camera1.SnapImage();}/// <summary>/// 设置参数/// </summary>publicvoidSetCameraParamters(){}/// <summary>/// 获取参数/// </summary>publicvoidGetCametaParamters(){}/// <summary>/// 获取图像（图像回调）/// </summary>/// <param name="hImg"></param>publicvoidGrabImage(CogImage8Greyimg){varmainForm=Application.OpenForms.OfType<Form1>().FirstOrDefault();mainForm.cogRecordDisplay1.Image=img;mainForm.cogRecordDisplay1.Fit(true);}}}
二 VPCamera
一 打开相机
/// <summary>/// 打开相机/// </summary>/// <returns></returns>publicboolOpenDevice(){if(frameGrabbers.Count>0){try{foreach(ICogFrameGrabbercamerainframeGrabbers){if(camera.SerialNumber==SerialNumber){frameGrabber=camera;m_AcFifo=frameGrabber.CreateAcqFifo(frameGrabber.AvailableVideoFormats[0],CogAcqFifoPixelFormatConstants.Format8Grey,0,true);}}}catch(Exceptionex){MessageBox.Show($"初始化相机失败,信息为:{ex.Message}");returnfalse;}}returntrue;}
publicclassVPCamera{publicvoidCloseDevice(){//释放相机CogFrameGrabbersFrameGrabbers=newCogFrameGrabbers();foreach(ICogFrameGrabberfginFrameGrabbers){fg.Disconnect(false);}}}
usingCognex.VisionPro;usingCognex.VisionPro.Display;usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Runtime.InteropServices;usingSystem.Text;usingSystem.Threading;usingSystem.Threading.Tasks;usingSystem.Windows.Forms;usingSystem.Windows.Media.Media3D;namespaceVP之相机调试2{/// <summary>/// 传图委托（灰度图）/// </summary>/// <param name="GrayImg"></param>publicdelegatevoidGrabGrayImage(CogImage8GreyGrayImg);/// <summary>/// 传图委托（彩色图）/// </summary>/// <param name="RGBImg"></param>publicdelegatevoidGrabRGBImage(CogImage24PlanarColorRGBImg);publicclassVPCamera{/// <summary>/// 传灰度图事件/// </summary>publiceventGrabGrayImagegrabGrayImage;/// <summary>/// 传彩图事件/// </summary>publiceventGrabRGBImagegrabRGBImage;/// <summary>/// 相机枚举类，获取所有的相机/// </summary>privateCogFrameGrabbersframeGrabbers;// 相机对象privateICogFrameGrabberframeGrabber;/// <summary>/// 采集对象/// </summary>publicICogAcqFifom_AcFifo{get;set;}/// <summary>/// 相机序列号/// </summary>publicstringSerialNumber{get;set;}/// <summary>/// 构造器/// </summary>publicVPCamera(){frameGrabbers=newCogFrameGrabbers();}/// <summary>/// 打开相机/// </summary>/// <returns></returns>publicboolOpenDevice(){if(frameGrabbers.Count>0){try{foreach(ICogFrameGrabbercamerainframeGrabbers){if(camera.SerialNumber==SerialNumber){frameGrabber=camera;m_AcFifo=frameGrabber.CreateAcqFifo(frameGrabber.AvailableVideoFormats[0],CogAcqFifoPixelFormatConstants.Format8Grey,0,true);}}}catch(Exceptionex){MessageBox.Show($"初始化相机失败,信息为:{ex.Message}");returnfalse;}}returntrue;}publicvoidSnapImage(){try{// 获取采集状态// 如果值 > 0，表示有图像堆积，可能需调整采集速率或处理速度。// 当前 FIFO 中可立即读取的图像数量（已就绪的图像）。// 布尔值，表示 FIFO 是否正在处理采集请求 true 时需等待，避免重复触发m_AcFifo.GetFifoState(outvarnumPending,outvarnumReady,outvarbusy);if(numPending==0&&!busy){// 软触发:作用：向 FIFO 发送软触发信号，开始一次图像采集（相当于手动触发相机拍照）。m_AcFifo.StartAcquire();// 等待采集完成，并返回采集到的图像ICogImagecogImage=m_AcFifo.CompleteAcquireEx(newCogAcqInfo());grabGrayImage((CogImage8Grey)cogImage);// grabRGBImage((CogImage24PlanarColor)cogImage);}}catch(Exceptionex){MessageBox.Show($"采集异常,信息为:{ex.Message}");}}/// <summary>/// 关闭所有相机/// </summary>publicvoidCloseDevice(){//释放相机CogFrameGrabbersFrameGrabbers=newCogFrameGrabbers();foreach(ICogFrameGrabberfginFrameGrabbers){fg.Disconnect(false);}}}}
