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import com.robotraconteur.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;
import javax.swing.*;
import org.opencv.core.*;
import org.opencv.imgproc.*;
import org.opencv.imgcodecs.*;
import experimental.simplewebcam3.*;
// Simple client to read images from a Webcam server
// and display the images
public class SimpleWebcamClient
{
/**
* @param args
*/
public static void main(String[] args)
{
String url = "rr+tcp://localhost:22355?service=multiwebcam";
if (args.length > 0)
{
url = args[0];
}
// Load the opencv library
nu.pattern.OpenCV.loadShared();
// Use ClientNodeSetup to initialize node
ClientNodeSetup setup = new ClientNodeSetup();
try
{
RobotRaconteurNode.s().registerServiceType(new experimental__simplewebcam3Factory());
// Connect to service
WebcamHost c_host = (WebcamHost)RobotRaconteurNode.s().connectService(
url, null, null, null, "experimental.simplewebcam3.WebcamHost");
// Get the Webcam objects from the "Webcams" objref
Webcam c1 = c_host.get_webcams(0);
Webcam c2 = c_host.get_webcams(1);
// Capture an image and convert to OpenCV image type
Mat frame1 = WebcamImageToMat(c1.capture_frame());
Mat frame2 = WebcamImageToMat(c2.capture_frame());
// Show the images
showImage(c1.get_name(), frame1);
showImage(c2.get_name(), frame2);
}
finally
{
setup.finalize();
}
}
// Convert WebcamImage to OpenCV format
public static Mat WebcamImageToMat(WebcamImage image)
{
Mat mat = new Mat(image.height, image.width, CvType.CV_8UC3);
mat.put(0, 0, image.data.value);
return mat;
}
public static void showImage(String title, Mat img)
{
MatOfByte matOfByte = new MatOfByte();
Imgcodecs.imencode(".bmp", img, matOfByte);
byte[] byteArray = matOfByte.toArray();
BufferedImage bufImage = null;
try
{
InputStream in = new ByteArrayInputStream(byteArray);
bufImage = ImageIO.read(in);
JFrame frame = new JFrame();
frame.setTitle(title);
frame.getContentPane().add(new JLabel(new ImageIcon(bufImage)));
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
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