Function markObjects

plugins/video/preview-dialog.cpp:252–261

}

static void markObjects(QImage &image, std::vector<cv::Rect> &objects)
{
	auto frame = QImageToMat(image);
	for (size_t i = 0; i < objects.size(); i++) {
		rectangle(frame, cv::Point(objects[i].x, objects[i].y),
			  cv::Point(objects[i].x + objects[i].width,
				    objects[i].y + objects[i].height),
			  cv::Scalar(255, 0, 0, 255), 2, 8, 0);
	}
}

PreviewImage::PreviewImage(std::mutex &mtx) : _mtx(mtx) {}