text: #include BOSS_OPENCV_U_opencv2__core_hpp //original-code:"opencv2/core.hpp"
  #include BOSS_OPENCV_U_opencv2__imgproc_hpp //original-code:"opencv2/imgproc.hpp"
  #include BOSS_OPENCV_U_opencv2__highgui_hpp //original-code:"opencv2/highgui.hpp"
  #include BOSS_OPENCV_U_opencv2__videoio_hpp //original-code:"opencv2/videoio.hpp"
  #include <iostream>
  
  using namespace cv;
  using namespace std;
  
  void drawText(Mat & image);
  
  int main()
  {
      cout << "Built with OpenCV " << CV_VERSION << endl;
      Mat image;
      VideoCapture capture;
      capture.open(0);
      if(capture.isOpened())
      {
          cout << "Capture is opened" << endl;
          for(;;)
          {
              capture >> image;
              if(image.empty())
                  break;
              drawText(image);
              imshow("Sample", image);
              if(waitKey(10) >= 0)
                  break;
          }
      }
      else
      {
          cout << "No capture" << endl;
          image = Mat::zeros(480, 640, CV_8UC1);
          drawText(image);
          imshow("Sample", image);
          waitKey(0);
      }
      return 0;
  }
  
  void drawText(Mat & image)
  {
      putText(image, "Hello OpenCV",
              Point(20, 50),
              FONT_HERSHEY_COMPLEX, 1, // font face and scale
              Scalar(255, 255, 255), // white
              1, LINE_AA); // line thickness and type
  }
  