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6 months ago
#ifndef CAMERA_H
#define CAMERA_H
#include <QImage>
#include <QTimer>
/* 使用命名空间cv下的VideoCapture与Mat类 */
namespace cv {
class VideoCapture;
class Mat;
}
class Camera : public QObject
{
Q_OBJECT
public:
explicit Camera(QObject *parent = nullptr);
~Camera();
signals:
/* 声明信号,用于传递有图片信号时显示图像 */
void readyImage(const QImage&);
public slots:
/* 用于开启定时器 */
bool cameraProcess(bool);
/* 选择摄像头 */
void selectCameraDevice(int);
private slots:
/* 定时器时间到处理函数,发送图像数据信号 */
void timerTimeOut();
private:
/* 声明OpenCV的cv命名空间下的VideoCapture对象 */
cv::VideoCapture * capture;
/* 定时器,定时处理获取图像 */
QTimer * timer;
/* 图像转换处理函数 */
QImage matToQImage(const cv::Mat&);
};
#endif // CAMERA_H