QCamera QCameraViewfinder QCameraImageCapture 实现摄像头图片截取

一、效果图
二、代码

#ifndef CAMERAIMGCAPTURE_H
#define CAMERAIMGCAPTURE_H

#include <QWidget>
#include <QDebug>
#include <QCamera>
#include <QCameraViewfinder>
#include <QCameraImageCapture>
#include <QLabel>
namespace Ui {
   
class CameraImgCapture;
}

class CameraImgCapture : public QWidget
{
   
    Q_OBJECT

public:
    explicit CameraImgCapture(QWidget *parent = nullptr);
    ~CameraImgCapture();

    void init();

pr
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