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