Face Recognition

Membuat aplikasi face Recognition,

import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;

 class ImageFileViewer extends Frame implements WindowListener, ActionListener, MouseListener {

    // control buttons

    Button ExitButton;
    ImageCanvas canvas;

    public ImageFileViewer() {

    // constructor--initialize frame

    super("PPM/JPG File Viewer (Click on canvas to load image)");
    setup();
    }

    // initialize frame contents (buttons, etc.)

    public void setup() {

    Panel CanvasPanel;   // panel for drawing canvas
    Panel ButtonPanel;   // main button panel

    setSize(500,400);

    setLayout(new BorderLayout());

    this.setBackground(Color.gray);
    this.setForeground(Color.black);

    // initialize buttons, make frame responsible for actions

    ExitButton = new Button("Exit");
    ExitButton.addActionListener(this);

    // initialize canvas

    canvas = new ImageCanvas();
    canvas.addMouseListener(this);
    canvas.setSize(400, 300);
    canvas.setBackground(Color.black);
    canvas.setForeground(Color.white);

    ButtonPanel = new Panel();

    // buttons will be centered

    ButtonPanel.setLayout(new FlowLayout(FlowLayout.CENTER));

    // add buttons to button panel

    ButtonPanel.add(ExitButton);

    // add canvas to canvas panel centered

    CanvasPanel = new Panel();
    CanvasPanel.setLayout(new FlowLayout(FlowLayout.CENTER));
    CanvasPanel.add(canvas);

    // put main panels into the frame

    add("North", new Label(""));
    add("South", ButtonPanel);
    add("Center", CanvasPanel);

    // frame is hidden until you show it

    setVisible(true);

    // care about window events

    addWindowListener(this);
    }

    // under the new event handling model, you have to "implement" all
    // of these window operations if you're interested in any of them.
    // We only care about window close events.

    public void windowDeiconified(WindowEvent event) {
    }
    public void windowIconified(WindowEvent event) {
    }
    public void windowActivated(WindowEvent event) {
    }
    public void windowDeactivated(WindowEvent event) {
    }
    public void windowOpened(WindowEvent event) {
    }
    public void windowClosed(WindowEvent event) {
    }

    public void windowClosing(WindowEvent event) {

    // handle user closing frame

    setVisible(false); // hide frame first...
    dispose();         // release resources and destroy frame
    System.exit(0);    // exit program

    }

    public void mouseDragged(MouseEvent event) {

    }


    public void mousePressed(MouseEvent event) {

    // show file dialog for loading PPM when the user clicks...

        FileDialog f = new FileDialog(this, "Open a JPG/PPM image file",
                      FileDialog.LOAD);
        f.setFile("*.*");
        f.show();
        if (f.getFile() == null) {
        System.out.println("Image open cancelled.");
        }
        else {
              try {
                xxxFile file = null;
                String temp = (f.getDirectory()+f.getFile()).toLowerCase();

                temp = temp.substring(temp.lastIndexOf('.')+1,temp.length());
                if (temp.equals("jpg") || temp.equals("jpeg"))
                    file = new JPGFile(f.getDirectory() + f.getFile());
                else if (temp.equals("ppm") || temp.equals("pnm"))
                    file = new PPMFile(f.getDirectory() + f.getFile());

        setImage(file.getBytes(), file.getWidth(), file.getHeight());
              } catch (Exception e) { e.printStackTrace(); }
        }


    }
    public void setImage(byte[] b, int w, int h) {
      canvas.readImage(b, w, h);
    }

    public void setImage(int[] b, int w, int h) {
      canvas.readImage(b, w, h);
    }
    public void setImage(double[] b, int w, int h) {
      canvas.readImage(b, w, h);
    }
    public void mouseReleased(MouseEvent event) {
    }
    public void mouseMoved(MouseEvent event) {
    }
    public void mouseEntered(MouseEvent event) {
    }
    public void mouseExited(MouseEvent event) {
    }
    public void mouseClicked(MouseEvent event) {
    }

    public void actionPerformed(ActionEvent event) {

    // handle pushbutton events--first get source of event

    Object source = event.getSource();

    if (source == ExitButton) {
        setVisible(false); // hide frame first...
        dispose();         // release resources and destroy frame
        System.exit(0);    // exit program
    }
    }


}