!7

static double confidenceThreshold = 10;

lib 1008985 // webcam

lib 1008987 // bridj

lib 1004016 // slf4j api

// OpenIMAJ

lib 1004905 lib 1004906 lib 1004908 lib 1004909 lib 1004910

lib 1004911 lib 1004912 lib 1004913 lib 1004914 lib 1004915

lib 1004919 lib 1004920

lib 1009014 // processing.face

lib 1009015 // object detection

lib 1009016 // xpp (xmlpull implementation)

import com.github.sarxos.webcam.*;

import org.openimaj.image.ImageUtilities;

import org.openimaj.image.processing.face.detection.DetectedFace;

import org.openimaj.image.processing.face.detection.HaarCascadeDetector;

import org.openimaj.math.geometry.shape.Rectangle;

p { new FacePainterExample; }

/**

 * Paint troll smile on all detected faces.

 * 

 * @author Bartosz Firyn (SarXos)

 */

sclass FacePainterExample extends JFrame implements WebcamPanel.Painter {

	static final Executor EXECUTOR = Executors.newSingleThreadExecutor();

	static final HaarCascadeDetector detector = new HaarCascadeDetector();

	private static final Stroke STROKE = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER, 1.0f, new float[] { 1.0f }, 0.0f);

	Webcam webcam;

	WebcamPanel.Painter painter;

	L<DetectedFace> faces;

	BufferedImage troll;

	public FacePainterExample() throws IOException {

    super("Face Detector Example");

    troll = loadImage2(#1009012);

		//webcam = Webcam.getDefault();

		webcam = last(webcam.getWebcams()); // Hope this prefers external webcams

		webcam.setViewSize(WebcamResolution.VGA.getSize());

		webcam.open(true);

		WebcamPanel panel = new WebcamPanel(webcam, false);

		panel.setPreferredSize(WebcamResolution.VGA.getSize());

		panel.setPainter(this);

		panel.setFPSDisplayed(true);

		panel.setFPSLimited(true);

		panel.setFPSLimit(20);

		panel.setPainter(this);

		panel.start();

		painter = panel.getDefaultPainter();

		add(panel);

		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		pack();

		setLocationRelativeTo(null);

		setVisible(true);

		EXECUTOR.execute(r {

  		while licensed {

  			if (!webcam.isOpen()) return;

  			L<DetectedFace> _faces = synchroList();

  			for (DetectedFace f : detector.detectFaces(ImageUtilities.createFImage(webcam.getImage())))

  			  if (f.getConfidence() >= confidenceThreshold)

  			    _faces.add(f);

  			faces = _faces;

  			pnl(faces);

  			_print();

  		}

  	});

	}

	public void paintPanel(WebcamPanel panel, Graphics2D g2) {

		if (painter != null) painter.paintPanel(panel, g2);

	}

	@Override

	public void paintImage(WebcamPanel panel, BufferedImage image, Graphics2D g2) {

		if (painter != null) painter.paintImage(panel, image, g2);

		if (faces == null) return;

		for (DetectedFace face : faces) {

			Rectangle bounds = face.getBounds();

			int dx = (int) (0.1 * bounds.width);

			int dy = (int) (0.2 * bounds.height);

			int x = (int) bounds.x - dx;

			int y = (int) bounds.y - dy;

			int w = (int) bounds.width + 2 * dx;

			int h = (int) bounds.height + dy;

			g2.drawImage(troll, x, y, w, h, null);

			g2.setStroke(STROKE);

			g2.setColor(Color.RED);

			g2.drawRect(x, y, w, h);

		}

	}

}