Thou shalt programme
In this post I am going to share a very simple but crucial parts of my QRecorder program which is recording images into videos. At the time of writing this article, Qt doesn’t allow recording of video files and OpenCV with its multi-platform support seems to be the best solution.
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You can use this method to convert an OpenCV Mat image to a Qt QImage which then can be easily turned into a QPixmap and then displayed on a QLabel. It might sound a little bit confusing but I’ll explain all of its parts. Check the method and my descriptions below:
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This article describes how to open default Android Gallery in Qt using a mixture of Android’ Java and Qt (C++) code. It is specially useful if you are working with images, for example if you want to open a Mat Image in OpenCV using imread function or if you are just writing some kind of image viewer program. Unfortunately Qt does not offer this (yet) by default so I thought I could share it with you.
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