53 lines
1.6 KiB
ReStructuredText
53 lines
1.6 KiB
ReStructuredText
.. _data_save_single_image:
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Save Single Image
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=============================
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Press "Space" "s" "S" to save image.
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Reference commands:
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.. code-block:: c++
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api->Start(Source::VIDEO_STREAMING);
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cv::namedWindow("frame");
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std::int32_t count = 0;
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std::cout << "Press 'Space' 's' 'S' to save image." << std::endl;
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while (true) {
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api->WaitForStreams();
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auto &&left_data = api->GetStreamData(Stream::LEFT);
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auto &&right_data = api->GetStreamData(Stream::RIGHT);
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if (!left_data.frame.empty() && !right_data.frame.empty()) {
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cv::Mat img;
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cv::hconcat(left_data.frame, right_data.frame, img);
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cv::imshow("frame", img);
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}
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char key = static_cast<char>(cv::waitKey(1));
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if (key == 27 || key == 'q' || key == 'Q') { // ESC/Q
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break;
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} else if (key == 32 || key == 's' || key == 'S') {
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if (!left_data.frame.empty() && !right_data.frame.empty()) {
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char l_name[20];
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char r_name[20];
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++count;
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snprintf(l_name, sizeof(l_name), "left_%d.jpg", count);
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snprintf(r_name, sizeof(r_name), "right_%d.jpg", count);
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cv::imwrite(l_name, left_data.frame);
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cv::imwrite(r_name, right_data.frame);
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std::cout << "Saved " << l_name << " " << r_name << " to current directory" << std::endl;
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}
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}
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}
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api->Stop(Source::VIDEO_STREAMING);
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The above code uses OpenCV to display the image. When the display window is selected, pressing ``ESC/Q`` will end the program.
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Complete code examples, see `save_single_image.cc <https://github.com/slightech/MYNT-EYE-S-SDK/blob/master/samples/save_single_image.cc>`_ .
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