#include "opencv2/opencv.hpp"
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QMessageBox>
#include <QPixmap>
#include <QImage>
#include <QDebug>
#include <QFileDialog>
#include <set>
#include <QCoreApplication>
#include <QDialog>
#include <QCameraInfo>
#include <QComboBox>
#include <QHBoxLayout>
#include <QPushButton>
#include <QStringList>

inline QImage cvMat2QImage(const cv::Mat &inMat) {
    if(inMat.step / inMat.cols == 4)
        return QImage(inMat.data,
                 inMat.cols,
                 inMat.rows,
                 static_cast<int>(inMat.step),
                 QImage::Format_ARGB32);
    else
        return QImage(inMat.data, inMat.cols, inMat.rows,
                      static_cast<int>(inMat.step),
                      QImage::Format_RGB888);
}

void onDrawPreview(cv::Mat frame)
{
	QLabel* mDisplayLabel = new QLabel();
	mDisplayLabel->resize(400, 700);
    if(!frame.data)
        return;
	cv::imwrite("cvMat.jpg", frame);
    QImage img =cvMat2QImage (frame);
	img.save("qimage.jpg", "JPG");
    QPixmap pixmap=QPixmap::fromImage(img);
	pixmap.save("pixmap.jpg", "JPG");
    QPixmap fitpixmap = pixmap;
    if(pixmap.width() > 375)
        fitpixmap = pixmap.scaled(375, 375 *pixmap.height()/pixmap.width(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
	fitpixmap.save("fitpixmap.jpg", "JPG");
    mDisplayLabel->setPixmap(fitpixmap);
}