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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.imgcodecs.*;
import experimental.simplewebcam3.*;
// Simple client to read images from a Webcam server
// and display the image. This example uses the "memory"
// member type
public class SimpleWebcamClient_memory
{
/**
* @param args
*/
public static void main(String[] args)
{
String url = "rr+tcp://localhost:22355?service=webcam";
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
{
// Register the service type
RobotRaconteurNode.s().registerServiceType(new experimental__simplewebcam3Factory());
// Connect to the service
Webcam c1 = (Webcam)RobotRaconteurNode.s().connectService(url, null, null, null,
"experimental.simplewebcam3.Webcam");
// Capture an image to the "buffer" and "multidimbuffer"
WebcamImage_size size = c1.capture_frame_to_buffer();
// Read the full image from the "buffer" memory
long l = c1.get_buffer().length();
UnsignedBytes data = new UnsignedBytes((int)l);
c1.get_buffer().read(0, data, 0, l);
// Convert and show the image retrieved from the buffer memory
Mat frame1 = new Mat(size.height, size.width, CvType.CV_8UC3);
frame1.put(0, 0, data.value);
// Show the image
showImage("buffer", frame1);
// Read the dimensions of the "multidimbuffer" member
long[] bufsize = c1.get_multidimbuffer().dimensions();
// Retrieve the data from the "multidimbuffer"
MultiDimArray segdata = new MultiDimArray(new int[] {100, 100, 1}, new UnsignedBytes(10000));
c1.get_multidimbuffer().read(new long[] {10, 10, 0}, segdata, new long[] {0, 0, 0},
new long[] {100, 100, 1});
// Create a new image to hold the image
Mat frame2 = new Mat(100, 100, CvType.CV_8U);
// This will actually give you the transpose of the image because MultiDimArray is stored in column-major
// order, transpose the image to be the correct orientation
frame2.put(0, 0, ((UnsignedBytes)segdata.array).value);
Mat frame3 = frame2.t();
// Show the image
showImage("multidimbuffer", frame3);
}
finally
{
setup.finalize();
}
}
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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