基于QT5+Opencv完成简单的图像处理及视频处理软件

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QToolButton> #include <QApplication> #include <QSpinBox> #include <QTextEdit> #include <QMdiSubWindow> #include <QLabel> #include <string> using namespace std; #include <iostream> #include <sstream> #include <QFontDialog> #include <QColorDialog> #include <QFileDialog> #include <QMessageBox> #include <QTranslator> #include <QDebug> #include <QPaintDevice> #include <QPainter> #include <QImage> #include <QtCore/qmath.h> #include <opencv2/core/core.hpp> #include <opencv2/highgui/highgui.hpp> #include <opencv2/imgproc/imgproc.hpp> using namespace cv; #include <QTimer> #include "video.h" #include <opencv2/opencv.hpp> #include <opencv2/imgproc/types_c.h> #include "opencv2/imgproc/imgproc_c.h"///for cvSmooth MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) , beishu(1) ,delay(0) { ui->setupUi(this); ui->pushButton_3->setDisabled(true); ui->pushButton_4->setDisabled(true); //视频 //connect(ui->pushButton_5, SIGNAL(clicked()), this, SLOT(onBtnClicked())); connect(&timer, SIGNAL(timeout()), this, SLOT(onTimeout())); connect(&timer, SIGNAL(timeout()), this, SLOT(updatePosition())); setWindowFlags(windowFlags()&~Qt::WindowMaximizeButtonHint); // 禁止最大化按钮 setFixedSize(this->width(),this->height()); // 禁止拖动窗口大小 customMsgBox.setWindowTitle(tr("关于本软件")); customMsgBox.addButton(tr("好的"),QMessageBox::ActionRole); customMsgBox.setIconPixmap(QPixmap(":/myImage/images/about1.png")); customMsgBox.setText(tr("欢迎使用《多功能图像视频处理》软件！本软件具有简单的图像和视频处理功能。\n" "图像功能包括多选打开、旋转、镜像、灰度化、均值滤波、" "边缘检测、原图复合、伽马检测、二值化、色彩调整、亮度调整、对比度调整、饱和度调整等功能。\n" "视频功能包括暂停、播放、进度条、灰度化、边缘检测、平滑、二值化、局部马赛克、缩放等功能。\n" "——By fyf")); ui->statusBar->showMessage(tr("欢迎使用多功能浏览器"),2000); QLabel *permanent = new QLabel(this); permanent->setObjectName("status"); permanent->setFrameStyle(QFrame::Box|QFrame::Sunken); permanent->setText("欢迎使用！"); ui->statusBar->addPermanentWidget(permanent); ui->tabWidget->setStyleSheet("QTabWidget:pane {border-top:0px;background: transparent; }"); } MainWindow::~MainWindow() { delete ui; capture.release(); } void MainWindow::on_action_Dock_triggered() { ui->dockWidget->show(); } void MainWindow::on_action_Open_triggered() { QStringList srcDirPathListS = QFileDialog::getOpenFileNames(this, tr("选择图片"), "E:/Qt/qtworks/MainWindow/images", tr("图像文件(*.jpg *.png *.bmp)")); if(srcDirPathListS.size()>0) { ui->tabWidget->setCurrentIndex(0); } if(srcDirPathListS.size()>=3){ srcDirPathList =srcDirPathListS; srcDirPathListS.clear(); index =0; QString srcDirPath = srcDirPathList.at(index); QImage image(srcDirPath); QImage Image=ImageCenter(image,ui->label_show); ui->label_show->setPixmap(QPixmap::fromImage(Image)); ui->label_show->setAlignment(Qt::AlignCenter); origin_path=srcDirPath; QImage images=ImageCenter(image,ui->label_other); ui->label_other->setPixmap(QPixmap::fromImage(images)); ui->label_other->setAlignment(Qt::AlignCenter); //状态栏显示图片路径 QLabel *label=ui->statusBar->findChild<QLabel *>("status"); label->setText(srcDirPath); QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size()); QImage image1(src1); QImage Image1 = ImageCenter(image1,ui->label_other_1); ui->label_other_1->setPixmap(QPixmap::fromImage(Image1)); ui->label_other_1->setAlignment(Qt::AlignCenter); QString src2 = srcDirPathList.at((index+2)%srcDirPathList.size()); QImage image2(src2); QImage Image2 = ImageCenter(image2,ui->label_other_3); ui->label_other_3->setPixmap(QPixmap::fromImage(Image2)); ui->label_other_3->setAlignment(Qt::AlignCenter); ui->pushButton_3->setDisabled(false); ui->pushButton_4->setDisabled(false); ui->label_other_1->setVisible(true); ui->label_other_3->setVisible(true); }else if(srcDirPathListS.size()==1){ srcDirPathList =srcDirPathListS; srcDirPathListS.clear(); index =0; QString srcDirPath = srcDirPathList.at(index); QImage image(srcDirPath); QImage Image=ImageCenter(image,ui->label_show); ui->label_show->setPixmap(QPixmap::fromImage(Image)); ui->label_show->setAlignment(Qt::AlignCenter); origin_path=srcDirPath; QImage images=ImageCenter(image,ui->label_other); ui->label_other->setPixmap(QPixmap::fromImage(images)); ui->label_other->setAlignment(Qt::AlignCenter); //状态栏显示图片路径 QLabel *label=ui->statusBar->findChild<QLabel *>("status"); label->setText(srcDirPath); //有图片触发事件 //isImage=true; //qDebug("%d",srcDirPathList.size()); ui->pushButton_3->setDisabled(true); ui->pushButton_4->setDisabled(true); ui->label_other_3->setVisible(false); ui->label_other_1->setVisible(false); } else if(srcDirPathListS.size()==2){ srcDirPathList =srcDirPathListS; srcDirPathListS.clear(); index =0; QString srcDirPath = srcDirPathList.at(index); QImage image(srcDirPath); QImage Image=ImageCenter(image,ui->label_show); ui->label_show->setPixmap(QPixmap::fromImage(Image)); ui->label_show->setAlignment(Qt::AlignCenter); origin_path=srcDirPath; QImage images=ImageCenter(image,ui->label_other); ui->label_other->setPixmap(QPixmap::fromImage(images)); ui->label_other->setAlignment(Qt::AlignCenter); //状态栏显示图片路径 QLabel *label=ui->statusBar->findChild<QLabel *>("status"); label->setText(srcDirPath); //有图片触发事件 //isImage=true; //qDebug("%d",srcDirPathList.size()); QString src1 = srcDirPathList.at((index+1)%srcDirPathList.size()); QImage image1(src1); QImage Image1 = ImageCenter(image1,ui->label_other_1); ui->label_other_1->setPixmap(QPixmap::fromImage(Image1)); ui->label_other_1->setAlignment(Qt::AlignCenter); ui->pushButton_3->setDisabled(false); ui->pushButton_4->setDisabled(false); ui->label_other_1->setVisible(true); ui->label_other_3->setVisible(false); } } void split(const string& s,vector<int>& sv,const char flag = ' ') { sv.clear(); istringstream iss(s); string temp; while (getline(iss, temp, flag)) { sv.push_back(stoi(temp)); } return; } //图片居中显示,图片大小与label大小相适应 QImage MainWindow::ImageCenter(QImage qimage,QLabel *qLabel) { QImage image; QSize imageSize = qimage.size(); QSize labelSize = qLabel->size(); double dWidthRatio = 1.0*imageSize.width() / labelSize.width(); double dHeightRatio = 1.0*imageSize.height() / labelSize.height(); if (dWidthRatio>dHeightRatio) { image = qimage.scaledToWidth(labelSize.widt