void Application::getScreenShot(ImageRGB& img) {
    int w = 0, h = 0;
    glfwGetFramebufferSize(context->window, &w, &h);
    img.resize(w, h);
    glReadPixels(0, 0, w, h, GL_RGB, GL_UNSIGNED_BYTE, img.ptr());
}
Exemple #2
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int main(int argc, char* argv[]) {
    std::string hostname,user,password;
    int port;
    double pan,tilt,zoom;

    if(argc!=10) {
        std::cout << "Usage :" << std::endl
                  << "  " << argv[0]
                  << " <hostname> <port:80> <username> <password> <pan> <tilt> <zoom> <x> <y>"
                  << std::endl;
        return 0;
    }

    hostname = argv[1];
    port     = atoi(argv[2]);
    user     = argv[3];
    password = argv[4];

    axis::PTZ axis(hostname,port);
    if(!axis.connect(user,password)) {
        std::cout << "Connot connect " << user
                  << " (" << password << ") on "
                  << hostname << ':' << port << ". Aborting."
                  << std::endl;
        return 1;
    }

    axis.setAutoiris("off");
    axis.setIris(1000);

    axis.getPosition(pan,tilt,zoom);
    std::cout << "Current position is " << std::endl
              << "  pan  = " << pan << std::endl
              << "  tilt = " << tilt << std::endl
              << "  zoom = " << zoom << std::endl;

    pan  = atof(argv[5]);;
    tilt = atof(argv[6]);
    zoom = atof(argv[7]);

    std::cout << "Reaching now... " << std::endl
              << "  pan  = " << pan << std::endl
              << "  tilt = " << tilt << std::endl
              << "  zoom = " << zoom << std::endl;
    axis.setPanTilt(pan,tilt);
    axis.setZoom(zoom);
    axis.wait();

    std::cout << "... reached." << std::endl;
    axis.getPosition(pan,tilt,zoom);
    std::cout << "  pan  = " << pan << std::endl
              << "  tilt = " << tilt << std::endl
              << "  zoom = " << zoom << std::endl;

    // Let us now grab an image.
    // We wait 2 seconds for autofocus to stabilize, since we mah have zoomed.
    ost::Thread::sleep(2000);
    axis.getDefaultBMPImage();

    // Let us now handle the image with mirage
    ImageRGB img;
    int dummy;
    mirage::img::Coordinate img_size(axis.getWidth(),axis.getHeight());
    img.resize(img_size,
               (ImageRGB::value_type*)axis.getImageBytes(dummy,dummy,dummy));

    // Let is save the mirage image in a file.
    std::ostringstream outputnamestream;
    outputnamestream << "X_" << argv[8] << "Y_" << argv[9] << "pan_" << pan << "tilt_" << tilt << "zoom_" << zoom << ".jpg";
    std::string outputname = outputnamestream.str();
    rgb2bgr(img);
    mirage::img::JPEG::write(img,outputname,80);
    std::cout << "Image has been captured in ptz.jpg file." << std::endl;

    return 0;
}