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Qt常用语句备忘
2022-07-03 15:13:00 【三石目】
1、QVariant使用OpenCV中的Mat
#include <QVariant>
#include "opencv.hpp"
Q_DECLARE_METATYPE(cv::Mat)
QVariant a;
a.setValue(cv::Mat());
qDebug() << a.type();
qDebug() << a.typeName();
Mat img = a.value<Mat>();
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