131 lines
4.5 KiB
C++
131 lines
4.5 KiB
C++
#include "Widget.h"
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#include "ui_Widget.h"
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#include <QFileDialog>
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#include <QDebug>
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#include <QMessageBox>
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#include <QDateTime>
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/// \~chinese 用于限制显示帧率的时间戳 \~english Time stamp to limit the rate of display
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QDateTime gLastDisplay;
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Widget::Widget(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::Widget)
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{
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ui->setupUi(this);
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mCtrlThread = new DeviceControlThread(this);
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connect(mCtrlThread, &DeviceControlThread::signalControlFinish, this, &Widget::onControlFinish);
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connect(mCtrlThread, &DeviceControlThread::signalSelectGrabConfig, this, &Widget::onSelectGrabConfig, Qt::BlockingQueuedConnection);
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/// \~chinese 连接采图回调到主线程，需要等待显示完成后再释放缓冲区数据。主线程的耗时操作影响界面刷新时，会对采集速度造成影响
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connect(mCtrlThread, &DeviceControlThread::signalImageGrabbed, this, &Widget::onImageGrabbed, Qt::BlockingQueuedConnection);
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}
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Widget::~Widget()
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{
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delete ui;
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}
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/// \~chinese 扫描相机按钮的槽函数 \~english Slot function of probe push button
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void Widget::on_pushButton_probe_clicked()
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{
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mCtrlThread->StartProbe();
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}
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/// \~chinese 打开/关闭相机按钮的槽函数 \~english Slot function of open / close camera push button
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void Widget::on_pushButton_openCamera_clicked()
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{
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if (gCamera) {
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mCtrlThread->StartClose();
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} else {
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int index = ui->comboBox_cameraList->currentIndex();
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mCtrlThread->StartOpen(index);
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}
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}
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/// \~chinese 开始/停止采集按钮的槽函数 \~english Slot function of start / stop acquisitio push button
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void Widget::on_pushButton_startGrab_clicked()
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{
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if (nullptr == gCamera) {
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QMessageBox::critical(this, "Critical", "Open camera first!");
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return;
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}
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if (gCamera->g_bGrabbing) {
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mCtrlThread->StartStopGrab();
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} else {
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mCtrlThread->StartGrab();
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}
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}
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void Widget::onControlFinish(ITK_DEVICE_CONTROL_TYPE nType, bool bSuccess)
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{
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switch (nType) {
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case ITK_DEVICE_CONTROL_PROBE:
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{
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if (!bSuccess) {
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QMessageBox::critical(this, "Critical", "Probe failed!");
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return;
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}
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QStringList camList = mCtrlThread->GetDeviceList();
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ui->comboBox_cameraList->clear();
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ui->comboBox_cameraList->addItems(camList);
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}
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break;
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case ITK_DEVICE_CONTROL_OPEN:
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if (!bSuccess) {
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QMessageBox::critical(this, "Critical", "Failed to open camera!");
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return;
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}
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ui->pushButton_openCamera->setText("Close");
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ui->pushButton_probe->setEnabled(false);
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ui->comboBox_cameraList->setEnabled(false);
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break;
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case ITK_DEVICE_CONTROL_CLOSE:
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if (gCamera)
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ui->pushButton_startGrab->setText(gCamera->g_bGrabbing ? "Stop" : "Grab");
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if (!bSuccess) {
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QMessageBox::critical(this, "Critical", "Failed to close camera!");
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return;
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}
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ui->pushButton_openCamera->setText("Open");
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ui->pushButton_probe->setEnabled(true);
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ui->comboBox_cameraList->setEnabled(true);
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ui->pushButton_startGrab->setText("Grab");
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break;
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case ITK_DEVICE_CONTROL_GRAB:
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if (!bSuccess) {
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QMessageBox::critical(this, "Critical", "Failed to start grab!");
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return;
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}
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ui->pushButton_startGrab->setText("Stop");
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break;
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case ITK_DEVICE_CONTROL_STOP:
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if (!bSuccess) {
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QMessageBox::critical(this, "Critical", "Failed to stop grab!");
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return;
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}
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ui->pushButton_startGrab->setText("Grab");
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break;
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}
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}
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QString Widget::onSelectGrabConfig()
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{
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QString fileName = QFileDialog::getOpenFileName(this, tr("Select Vlcf"), "", "*.vlcf");
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if (fileName.isEmpty()) {
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QMessageBox::information(this, "Info", tr("No config file selected, camera will grab with default paramter"));
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}
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return fileName;
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}
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void Widget::onImageGrabbed(const QImage &img)
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{
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QDateTime now = QDateTime::currentDateTime();
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/// \~chinese 控制刷新帧率小于5 \~english Limit the rate of diaply less than 5
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if (gLastDisplay.isValid() && gLastDisplay.msecsTo(now) < 200)
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return;
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gLastDisplay = now;
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ui->labe_img->setPixmap(QPixmap::fromImage(img).scaled(ui->labe_img->size()));
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}
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