最近发现使用自己编译的opencv，可以增强opencv的imshow函数功能。从哪里得到的线索已经忘记了。可能是无意中发现的某一张截图吧。

要实现cv::imshow函数功能增强，需要在cmake中配置使用qt。

编译及使用，见视频：

# testProj.pro

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# You can make your code fail to compile if it uses deprecated APIs.

# In order to do so, uncomment the following line.

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

SOURCES += \

    main.cpp \

    mainwindow.cpp

HEADERS += \

    mainwindow.h

FORMS += \

    mainwindow.ui

# Default rules for deployment.

qnx: target.path = /tmp/$${TARGET}/bin

else: unix:!android: target.path = /opt/$${TARGET}/bin

!isEmpty(target.path): INSTALLS += target

INCLUDEPATH += D:/data/playGround/install_opencv_from_source/opencv-4.5.0-build/install/include

LIBS += D:/data/playGround/install_opencv_from_source/opencv-4.5.0-build/install/x64/vc15/lib/opencv_world450d.lib

// main.cpp

#include "mainwindow.h"

#include <QApplication>

#include "opencv2/opencv.hpp"

int main(int argc, char *argv[])

{

//    QApplication a(argc, argv);

//    MainWindow w;

//    w.show();

//    return a.exec();

    cv::Mat image = cv::imread("D:/dog.jfif");

    cv::namedWindow("img", cv::WINDOW_NORMAL);

    cv::imshow("img", image);

    cv::waitKey();

    cv::destroyAllWindows();

    return 0;

}

巴特西

build opencv with qt to make debugging easier

building detail

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