毕设项目：基于C++、QT的网络视频监控系统.zip

#include "onevideo.h" #include "iconbutton.h" #include "mythread.h" #include "configdialog.h" #include "fullscreenvideo.h" #include <QHBoxLayout> #include <QDebug> #include <QPainter> #include <QLinearGradient> #include <QPaintEvent> #include <QMouseEvent> #include <QTimer> #include <QImage> #include <QLabel> #include <QDateTime> #include <QFile> #include <QMessageBox> const int OneVideo::WIDTH = 320; //480 const int OneVideo::HEIGHT = 240; //320 OneVideo::OneVideo(QWidget *parent) : QFrame(parent), centralImage(":/images/icon.png") { resize(WIDTH, HEIGHT); createToolButtons(); createIpPortLabel(); setFrameShape(QFrame::Box); setBackgroundRole(QPalette::Light); setAutoFillBackground(true); setMouseTracking(true); isPlay = false; cameraBtn->setEnabled(false); recordBtn->setEnabled(false); fullScreenBtn->setEnabled(false); networkThread = NULL; } OneVideo::~OneVideo() { if(networkThread != NULL){ networkThread->setRunning(false); networkThread->wait(); networkThread->deleteLater(); networkThread = NULL; } } void OneVideo::createToolButtons() { closeBtn = new IconButton(this); closeBtn->setIcon(QIcon(":/images/close.png")); closeBtn->move(WIDTH - closeBtn->width() - 8, 8); connect(closeBtn, SIGNAL(clicked(bool)), SLOT(close())); connect(closeBtn, SIGNAL(clicked(bool)), SLOT(deleteLater())); QHBoxLayout *buttonsLayout = new QHBoxLayout(this); buttonsLayout->setAlignment(Qt::AlignHCenter|Qt::AlignBottom); buttonsLayout->setSpacing(30); playBtn = new IconButton(this); playBtn->setIcon(QIcon(":/images/play.png")); buttonsLayout->addWidget(playBtn); connect(playBtn, SIGNAL(clicked(bool)), SLOT(playBtnSlot())); cameraBtn = new IconButton(this); cameraBtn->setIcon(QIcon(":/images/camera.png")); buttonsLayout->addWidget(cameraBtn); connect(cameraBtn, SIGNAL(clicked(bool)), SLOT(cameraBtnSlot())); recordBtn = new IconButton(this); recordBtn->setIcon(QIcon(":/images/record.png")); buttonsLayout->addWidget(recordBtn); connect(recordBtn, SIGNAL(clicked(bool)), SLOT(recordBtnSlot())); fullScreenBtn = new IconButton(this); fullScreenBtn->setIcon(QIcon(":/images/fullscreen.png")); buttonsLayout->addWidget(fullScreenBtn); connect(fullScreenBtn, SIGNAL(clicked(bool)), SLOT(fullScreenBtnSlot())); } void OneVideo::createIpPortLabel() { ipPortLabel = new QLabel(this); ipPortLabel->setFont(QFont("Consolas", 10, 1)); ipPortLabel->setMargin(10); ipPortLabel->resize(200, 50); } void OneVideo::playBtnSlot() { ConfigDialog dialog(this); if(isPlay){ isPlay = false; if(networkThread != NULL){ networkThread->setRunning(false); networkThread->wait(); networkThread->deleteLater(); networkThread = NULL; } playBtn->setIcon(QIcon(":/images/play.png")); ipPortLabel->clear(); cameraBtn->setEnabled(false); recordBtn->setEnabled(false); fullScreenBtn->setEnabled(false); centralImage.load(":/images/icon.png"); update(); }else{ if(dialog.exec() == QDialog::Accepted){ networkThread = new MyThread(dialog.getIP(), dialog.getPort()); connect(networkThread, SIGNAL(disconnectSlot()), SLOT(disconnectSlot())); connect(networkThread, SIGNAL(transmitData(QImage)), SLOT(updateImage(QImage))); networkThread->start(); playBtn->setIcon(QIcon(":/images/pause.png")); ipPortLabel->setText(QString("IP : %1\nPORT: %2").arg(dialog.getIP()).arg(dialog.getPort())); cameraBtn->setEnabled(true); recordBtn->setEnabled(true); fullScreenBtn->setEnabled(true); isPlay = true; } } } void OneVideo::cameraBtnSlot() { QFile file; QString fileName = QDateTime::currentDateTime().toString("yyyyMMddhhmmss"); centralImage.save(fileName + ".jpg", "JPEG"); } void OneVideo::recordBtnSlot() { } void OneVideo::fullScreenBtnSlot() { //先取消发送消息到小窗口 disconnect(networkThread, SIGNAL(transmitData(QImage)), this, SLOT(updateImage(QImage))); //发送消息到全屏窗口 FullScreenVideo fullScreenVideo(this); connect(networkThread, SIGNAL(transmitData(QImage)), &fullScreenVideo, SLOT(updateImage(QImage))); fullScreenVideo.exec(); //恢复发送消息到小窗口 connect(networkThread, SIGNAL(transmitData(QImage)), this, SLOT(updateImage(QImage))); } void OneVideo::updateImage(QImage image) { if(isPlay){ centralImage = image; update(); } } void OneVideo::disconnectSlot() { QMessageBox::warning(this, "连接失败", "请注意！\n您的连接已经断开！"); if(networkThread != NULL){ networkThread->setRunning(false); networkThread->wait(); networkThread->deleteLater(); networkThread = NULL; } playBtn->setIcon(QIcon(":/images/play.png")); ipPortLabel->clear(); cameraBtn->setEnabled(false); recordBtn->setEnabled(false); fullScreenBtn->setEnabled(false); centralImage.load(":/images/icon.png"); update(); isPlay = false; } void OneVideo::closeEvent(QCloseEvent *event) { QFrame::closeEvent(event); emit closeSignal(this); } void OneVideo::paintEvent(QPaintEvent *event) { QFrame::paintEvent(event); QPainter p(this); p.drawImage(width() / 2 - centralImage.width() / 2, height() / 2 - centralImage.height() / 2, centralImage); } void OneVideo::mouseMoveEvent(QMouseEvent *event) { if(event->y() > rect().bottom() - 50 || event->y() < 50){ if(!isButtonsShow){ isButtonsShow = true; closeBtn->show(); playBtn->show(); cameraBtn->show(); recordBtn->show(); fullScreenBtn->show(); } }else{ if(isButtonsShow){ closeBtn->hide(); playBtn->hide(); cameraBtn->hide(); recordBtn->hide(); fullScreenBtn->hide(); isButtonsShow = false; } } } void OneVideo::leaveEvent(QEvent *event) { Q_UNUSED(event); if(isButtonsShow){ closeBtn->hide(); playBtn->hide(); cameraBtn->hide(); recordBtn->hide(); fullScreenBtn->hide(); isButtonsShow = false; } }