1、采图UI显示
2、硬件连贯和IP配置
2.1 外触发硬件接线
依据相机接线图，连贯相机的电源的触发信号输出；
2.2 IP配置
Gige网口相机须要电脑网卡和相机在同一ip段内，反对动静、动态等形式配置IP，关上Pylon IP Configurator来匹配IP，如下
3、代码实现
根本采图性能Balser都有对应的Demo进行参考，这里只截取相机采图和局部参数设置性能演示。
balser_gigeCamera.h
#ifndef BALSER_GIGECAMERA_H#define BALSER_GIGECAMERA_H/**************************** @projectName camera_test* @brief Basler相机图像采集及参数设置性能；* @author Alaric* @date 2018-11-04**************************/#include <QImage>#include "balser_gigecamera_global.h"#include <QObject>#include <pylon/PylonIncludes.h>#include <pylon/BaslerUniversalInstantCamera.h>#include <pylon/_BaslerUniversalCameraParams.h>#include <QMutex>using namespace std;using namespace Pylon;using namespace GenApi;using namespace Basler_UniversalCameraParams;class BALSER_GIGECAMERASHARED_EXPORT Balser_GigeCamera : public QObject, public CImageEventHandler{ Q_OBJECTpublic: Balser_GigeCamera(QObject *parent = nullptr); ~Balser_GigeCamera(); enum BaslerCamera_Type{ Type_Basler_Freerun, //设置相机的内触发 Type_Basler_Line1, //设置相机的外触发 Type_Basler_ExposureTimeAbs, //设置相机的曝光工夫 Type_Basler_GainRaw, //设置相机的增益 Type_Basler_AcquisitionFrameRateAbs, //设置相机的频率 Type_Basler_Width, //图片的宽度 Type_Basler_Height, //图片的高度 Type_Basler_LineSource, //灯的触发信号 }; void initCamera(); //初始化相机 void OpenCamera(); //关上相机 void CloseCamera(); //敞开相机 void deleteAll(); //删除相机 int getExposureTime(); //取得曝光工夫 void setExposureTime(int time); //设置曝光工夫 int getGain(); //取得增益 void setGain(int value); //设置增益 void setFrameRate(int value); //设置帧率 int getFrameRate(); //取得帧率 void OneKeyAutoExTime(); //一键主动曝光 void SetCamera(Balser_GigeCamera::BaslerCamera_Type index, int tmpValue = 0); // 设置各种参数 int GetCamera(Balser_GigeCamera::BaslerCamera_Type index); // 获取各种参数 void AutoExposureOnce(CBaslerUniversalInstantCamera& camera); //主动曝光 void StartAcquire(); //开始采集 void StopAcquire(); //完结采集 void StartSnap(); //抓图 bool GrabOnLine_Signal; //实时采图信号 signals: void canShowImg(QImage img); //发送图像数据 public slots: void WorkTypeSignal(int work_type); //接管图像处理信号，0为Once,1为Online;private: CBaslerUniversalInstantCamera m_basler; CGrabResultPtr m_ptrGrabResult; CImageFormatConverter m_formatConverter;//Basler 图片格式转换类 CPylonImage pylonImage; //Basler 图像格式 QMutex m_mutexLock; int TestImg_WorkType = -1; //图像处理形式，默认-1为不解决，0为Once，1为Online； QImage CopyImgToQImage(CGrabResultPtr ptrGrabResult); protected: virtual void OnImageGrabbed(CInstantCamera &camera, const CGrabResultPtr &grabResult);};#endif // BALSER_GIGECAMERA_H这里balser采集到的BYTE格局的图像数据依照通道数转换成QImage格局，最初发送给UI线程进行显示。
balser_gigecamera.cpp
#include "balser_gigecamera.h"#include <QDebug>Balser_GigeCamera::Balser_GigeCamera(QObject *parent) : QObject(parent){ }Balser_GigeCamera::~Balser_GigeCamera(){ }void Balser_GigeCamera::initCamera(){ PylonInitialize(); m_basler.RegisterImageEventHandler(this, RegistrationMode_Append, Cleanup_Delete); m_basler.Attach(CTlFactory::GetInstance().CreateFirstDevice(),Cleanup_Delete); qDebug()<<"Using device " << m_basler.GetDeviceInfo().GetModelName()<<endl; m_basler.Open(); if (!m_basler.IsOpen() || m_basler.IsGrabbing()) { qDebug()<<"camera open failed"<<endl; return; }}void Balser_GigeCamera::CloseCamera(){ if(m_basler.IsOpen()) { m_basler.DetachDevice(); m_basler.Close(); m_basler.DestroyDevice(); m_ptrGrabResult.Release(); }}void Balser_GigeCamera::deleteAll(){ //进行采集 if(GrabOnLine_Signal) { StopAcquire(); } //敞开摄像头 try { CloseCamera(); m_basler.DeregisterImageEventHandler(this); //敞开库 qDebug() << "SBaslerCameraControl deleteAll: PylonTerminate" ; PylonTerminate(); } catch (const Pylon::GenericException& e) { qDebug() << e.what(); }}int Balser_GigeCamera::getExposureTime(){ return GetCamera(Type_Basler_ExposureTimeAbs);}void Balser_GigeCamera::setExposureTime(int time){ SetCamera(Type_Basler_ExposureTimeAbs, time);}void Balser_GigeCamera::setGain(int value){ SetCamera(Type_Basler_GainRaw, value);}int Balser_GigeCamera::getGain(){ return GetCamera(Type_Basler_GainRaw);}int Balser_GigeCamera::getFrameRate(){ return GetCamera(Type_Basler_AcquisitionFrameRateAbs);}void Balser_GigeCamera::setFrameRate(int value){ SetCamera(Type_Basler_AcquisitionFrameRateAbs, value);}void Balser_GigeCamera::OneKeyAutoExTime(){ AutoExposureOnce(m_basler);}void Balser_GigeCamera::SetCamera(Balser_GigeCamera::BaslerCamera_Type index, int tmpValue){ INodeMap &cameraNodeMap = m_basler.GetNodeMap(); switch (index) { case Type_Basler_Freerun: { CEnumerationPtr ptrTriggerSel = cameraNodeMap.GetNode ("TriggerSelector"); ptrTriggerSel->FromString("FrameStart"); CEnumerationPtr ptrTrigger = cameraNodeMap.GetNode ("TriggerMode");#ifdef Real_Freerun ptrTrigger->SetIntValue(0);#else //Software ptrTrigger->SetIntValue(1); CEnumerationPtr ptrTriggerSource = cameraNodeMap.GetNode ("TriggerSource"); ptrTriggerSource->FromString("Software");#endif } break; case Type_Basler_Line1: { CEnumerationPtr ptrTriggerSel = cameraNodeMap.GetNode ("TriggerSelector"); ptrTriggerSel->FromString("FrameStart"); CEnumerationPtr ptrTrigger = cameraNodeMap.GetNode ("TriggerMode"); ptrTrigger->SetIntValue(1); CEnumerationPtr ptrTriggerSource = cameraNodeMap.GetNode ("TriggerSource"); ptrTriggerSource->FromString("Line1"); } break; case Type_Basler_ExposureTimeAbs: { const CFloatPtr exposureTime = cameraNodeMap.GetNode("ExposureTimeAbs"); exposureTime->SetValue(tmpValue); } break; case Type_Basler_GainRaw: { const CIntegerPtr cameraGen = cameraNodeMap.GetNode("GainRaw"); cameraGen->SetValue(tmpValue); } break; case Type_Basler_AcquisitionFrameRateAbs: { const CBooleanPtr frameRate = cameraNodeMap.GetNode("AcquisitionFrameRateEnable"); frameRate->SetValue(TRUE); const CFloatPtr frameRateABS = cameraNodeMap.GetNode("AcquisitionFrameRateAbs"); frameRateABS->SetValue(tmpValue); } break; case Type_Basler_Width: { const CIntegerPtr widthPic = cameraNodeMap.GetNode("Width"); widthPic->SetValue(tmpValue); } break; case Type_Basler_Height: { const CIntegerPtr heightPic = cameraNodeMap.GetNode("Height"); heightPic->SetValue(tmpValue); } break; case Type_Basler_LineSource: { CEnumerationPtr ptrLineSource = cameraNodeMap.GetNode ("LineSource"); ptrLineSource->SetIntValue(2); } break; default: break; }}int Balser_GigeCamera::GetCamera(Balser_GigeCamera::BaslerCamera_Type index){ INodeMap &cameraNodeMap = m_basler.GetNodeMap(); switch (index) { case Type_Basler_ExposureTimeAbs: { const CFloatPtr exposureTime = cameraNodeMap.GetNode("ExposureTimeAbs"); return exposureTime->GetValue(); } break; case Type_Basler_GainRaw: { const CIntegerPtr cameraGen = cameraNodeMap.GetNode("GainRaw"); return cameraGen->GetValue(); } break; case Type_Basler_AcquisitionFrameRateAbs: { const CBooleanPtr frameRate = cameraNodeMap.GetNode("AcquisitionFrameRateEnable"); frameRate->SetValue(TRUE); const CFloatPtr frameRateABS = cameraNodeMap.GetNode("AcquisitionFrameRateAbs"); return frameRateABS->GetValue(); } break; case Type_Basler_Width: { const CIntegerPtr widthPic = cameraNodeMap.GetNode("Width"); return widthPic->GetValue(); } break; case Type_Basler_Height: { const CIntegerPtr heightPic = cameraNodeMap.GetNode("Height"); return heightPic->GetValue(); } break; default: return -1; break; }}void Balser_GigeCamera::OnImageGrabbed(CInstantCamera &camera, const CGrabResultPtr &grabResult){ m_mutexLock.lock(); qDebug() <<"Capturest"<<endl; if (grabResult->GrabSucceeded()) { m_ptrGrabResult = grabResult;//将捕捉到的图像传递进来 qDebug() <<"Captureok"<<endl; QImage CurrentImg; CurrentImg = CopyImgToQImage(m_ptrGrabResult); if(TestImg_WorkType == 1) { emit canShowImg(CurrentImg); // startImgProcess(CurrentImg); qDebug() <<"Captureok"<<endl; } else{ emit canShowImg(CurrentImg); } } m_mutexLock.unlock();}void Balser_GigeCamera::StartAcquire(){ if ( !m_basler.IsGrabbing() ){ qDebug()<<"grabstart"<<endl; GrabOnLine_Signal = true; m_basler.StartGrabbing(GrabStrategy_LatestImageOnly,GrabLoop_ProvidedByInstantCamera); } else { qDebug()<<"error"<<endl; }}void Balser_GigeCamera::StartSnap(){ m_basler.StartGrabbing(1); CBaslerUniversalGrabResultPtr ptrGrabResult; m_basler.RetrieveResult( 5000, ptrGrabResult, TimeoutHandling_ThrowException); if (ptrGrabResult->GrabSucceeded()) { qDebug()<<"snapok"<<endl; QImage CurrentImg = CopyImgToQImage(ptrGrabResult); emit canShowImg(CurrentImg); if(TestImg_WorkType == 0){ // startImgProcess(CurrentImg); TestImg_WorkType = -1; } }}void Balser_GigeCamera::StopAcquire(){ if ( m_basler.IsGrabbing()){ GrabOnLine_Signal = false; m_basler.StopGrabbing(); // 进行抓取图像 }}void Balser_GigeCamera::AutoExposureOnce(CBaslerUniversalInstantCamera& camera){ if ( !camera.ExposureAuto.IsWritable()) { cout << "The camera does not support Exposure Auto." << endl << endl; return; } camera.ExposureAuto.SetValue(ExposureAuto_Once); int n = 0; while (camera.ExposureAuto.GetValue() != ExposureAuto_Off) { ++n; //For demonstration purposes only. Wait until the image is shown. WaitObject::Sleep(100); //Make sure the loop is exited. if (n > 100) { throw TIMEOUT_EXCEPTION( "The adjustment of auto exposure did not finish."); } }}void Balser_GigeCamera::WorkTypeSignal(int work_type){ TestImg_WorkType = work_type;}QImage Balser_GigeCamera::CopyImgToQImage(CGrabResultPtr ptrGrabResult){ QImage Qimg; //格局转换 m_formatConverter.Convert(pylonImage, ptrGrabResult); uchar * din = (uchar *)(pylonImage.GetBuffer()); //数据指针 //单通道Momo if(IsMono(pylonImage.GetPixelType())) { qDebug()<<"黑白图像"; Qimg = QImage(din, ptrGrabResult->GetWidth(), ptrGrabResult->GetHeight(), QImage::Format_Indexed8); } else { //此处能够依据相机的格局获取特定格局的彩色图像 if(IsRGB(pylonImage.GetPixelType())) { Qimg = QImage(din, ptrGrabResult->GetWidth(), ptrGrabResult->GetHeight(), QImage::Format_RGB888); } } return Qimg;}4、源码下载
相机采图及相机设置局部封装成动静库，能够在UI线程调用相机类来实现相机的加载，采图及参数设置操作。
源码下载：https://download.csdn.net/dow...