QT调用Dalsa线扫相机

网上有很多dalsa相机的MFC的例子。笔者最近做项目用到dalsa线阵相机。学习了好几天。直接上代码：
pro 文件：
#-------------------------------------------------

Project created by QtCreator 2022-07-29T15:17:04

#-------------------------------------------------

QT += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = Dalsa
TEMPLATE = app

The following define makes your compiler emit warnings if you use

any feature of Qt which has been marked as deprecated (the exact warnings

depend on your compiler). Please consult the documentation of the

deprecated API in order to know how to port your code away from it.

DEFINES += QT_DEPRECATED_WARNINGS

You can also make your code fail to compile if you use deprecated APIs.

In order to do so, uncomment the following line.

You can also select to disable deprecated APIs only up to a certain version of Qt.

#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0

CONFIG += c++11

SOURCES +=
main.cpp
mainwindow.cpp

HEADERS +=
mainwindow.h

FORMS +=
mainwindow.ui

Default rules for deployment.

qnx: target.path = /tmp/$$TARGET/binelse:unix:!android:target.path=/opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

INCLUDEPATH += “D:/Program Files/Teledyne DALSA/Sapera/Include”
INCLUDEPATH += “D:/Program Files/Teledyne DALSA/Sapera/Classes/Basic”

LIBS += “D:/Program Files/Teledyne DALSA/Sapera/Lib/Win64/corapi.lib”
LIBS += “D:/Program Files/Teledyne DALSA/Sapera/Lib/Win64/SapClassBasic.lib”

win32:CONFIG(release, debug|release): LIBS += -LC:/opencv/build/x64/vc14/lib/ -lopencv_world341
else:win32:CONFIG(debug, debug|release): LIBS += -LC:/opencv/build/x64/vc14/lib/ -lopencv_world341d

INCLUDEPATH += C:/opencv/build/include
DEPENDPATH += C:/opencv/build/include

中间的lib 和opencv的库使用了绝对地址，需要自己修改

mainwindow.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include
#include “SapClassBasic.h”
#include “opencv2/opencv.hpp”
using namespace cv;
namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
Q_OBJECT

public:
explicit MainWindow(QWidget *parent = nullptr);
~MainWindow();

 static void XferCallbackLft(SapXferCallbackInfo *pInfoLft);

private slots:
void on_pushButton_clicked();

void on_pushButton_2_clicked();

private:
bool InitCarmer();
void printout(QString str);

protected:
SapManager m_pManager;
SapAcqDevice *m_pCamera;
SapBufferWithTrash *m_pBuffer;

SapTransfer* m_pXfer;
SapView *m_pView;
SapFeature *m_pFeature;

private:
Ui::MainWindow *ui;
bool m_Flag = false;//设置标志位，以判定是否有设备
bool initstate=false;
int num;
QList l;
};

#endif // MAINWINDOW_H

cpp

#include “mainwindow.h”
#include “ui_mainwindow.h”
#include
static int m_num=0;
static int nownum=0;
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{

ui->setupUi(this);

InitCarmer();

}

MainWindow::~MainWindow()
{
m_pXfer->Destroy();
m_pView->Destroy();
m_pBuffer->Destroy();

m_pCamera->Destroy();

delete ui;

}

void MainWindow::XferCallbackLft(SapXferCallbackInfo *pInfo)
{
// Display the last transferred frame
MainWindow *pView = (MainWindow *)pInfo->GetContext();
BYTE pData;
void pDataAddr = &pData;
BOOL success = pView->m_pBuffer->GetAddress(nownum,&pDataAddr);
if (nownum==0)
nownum=1;
else
nownum=0;
int width = pView->m_pBuffer->GetWidth();
int height = pView->m_pBuffer->GetHeight();
cv::Mat img = cv::Mat::zeros(cv::Size(width, height), CV_8U);
memcpy(img.data, pDataAddr, widthheight);
success = pView->m_pBuffer->ReleaseAddress(pDataAddr);
//cv:imshow(“image”, img);
QString q_PathName = QString::number(m_num) + “.bmp”;
std::string str = q_PathName.toStdString();
const char *m_PathName1 = str.c_str();
//printf(m_PathName);
qDebug() << m_PathName1;
cv::imwrite(m_PathName1, img); //可以存图

m_num += 1;

}

bool MainWindow::InitCarmer()
{
char m_SerName[100];
char m_ResName[100];
m_pManager.GetServerName(0, SapManager::ResourceAcqDevice, m_SerName);//CAMERA 相机名称
m_pManager.GetResourceName(1, SapManager::ResourceAcqDevice, m_ResName);//UESR ID，可自行设置
SapLocation loc(m_SerName,0);//默认值0，1会报错
m_pCamera = new SapAcqDevice(loc,“./T_Linea_C2048-7.ccf”);//创建相机对象
m_pBuffer = new SapBufferWithTrash(2,m_pCamera);//创建缓冲区对象
m_pView = new SapView(m_pBuffer);//创建显示区对象
m_pXfer = new SapAcqDeviceToBuf(m_pCamera,m_pBuffer,XferCallbackLft,this);//绑定相机与缓冲区
// m_pFeature = new SapFeature(m_pCamera->GetLocation());//创建Feature对象以获取参数信息
//创建对象资源
if(!m_pCamera->Create())
{
qDebug()<<“create SapAcqDevice error”;
return false;
}
if(!m_pBuffer->Create())
{
qDebug()<<“create SapBufferWithTrash error”;
return false;
}
if(!m_pView->Create())
{
qDebug()<<“create SapView error”;
return false;
}
// if(!m_pFeature->Create())
// {
// qDebug()<<“create SapFeature error”;
// return false;
// }
if(!m_pXfer->Create())
{
qDebug()<<“create SapAcqDeviceToBuf error”;
return false;
}

m_pXfer->Init();
double m_tmp=0;//初始化设备温度值
m_pCamera->GetFeatureValue("DeviceTemperature", &m_tmp);//不可用int型，否则数值不正确
qDebug() << "Device:" << m_SerName <

}

void MainWindow::printout(QString str)
{
qDebug() << str;
}

void MainWindow::on_pushButton_clicked()
{
bool success = m_pXfer->Grab();
}

void MainWindow::on_pushButton_2_clicked()
{
bool success = m_pXfer->Freeze();
}