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Linux 下ＱＴ（c++）开发如何在 QCameraViewfinder 上画框

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  •   coolcokel · Oct 8, 2019 · 2407 views
    This topic created in 2498 days ago, the information mentioned may be changed or developed.

    使用 QCamera 打开摄像头，显示在 QCameraViewfinder 上。 请教，怎么在 QCameraViewfinder 上画矩形？ 而且不会覆盖视频显示

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