package vciscarwebcam;

import java.io.*;

public class Switcher implements Runnable {
    
    private boolean bRight = true;
    private String sFile1  = "Berlin 001.jpg";
    private String sFile2  = "Berlin 002.jpg";
    private String sFile3  = "WebCam.jpg";
    
    public Switcher() {
        Thread th = new Thread(this);
        th.start();
    }

    public void run() {        
        while(true) try {
            File fSrc = null;
            File fTrg = null;
            if(bRight) {
                fSrc = new File(sFile1);
                System.out.println("Reading:"+sFile1);
            } else {
                fSrc = new File(sFile2);
                System.out.println("Reading:"+sFile2);                
            }
            fTrg = new File("build\\"+sFile3);
            InputStream  is = new FileInputStream(fSrc);
            OutputStream os = new FileOutputStream(fTrg);
            int  readed   = 0;
            byte buffer[] = new byte[2048];
            while((readed = is.read(buffer))!=-1) {
                os.write(buffer, 0, readed);
                Thread.sleep(50);
            }
            os.flush();
            os.close();
            is.close();
            bRight = !bRight;
            System.out.println("Waiting...");
            Thread.sleep(5000);
        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }
    
}

public class AppletWC extends Applet implements Runnable, ImageObserver {

    private boolean bAlive = true;
    
    private BufferedImage biImagen = null;
    private Graphics      gImagen  = null;

    public AppletWC() {
        biImagen = new BufferedImage(320, 240, BufferedImage.TYPE_INT_RGB);
        gImagen  = biImagen.getGraphics();
    }
    
    public void init() {
        Thread th = new Thread(this);
        th.start();        
    }
    
    public void stop() {
        bAlive = false;
    }

    public void paint(Graphics g) {
        g.drawImage(biImagen, 0, 0, 320, 240, null);
    }

    public void run() {
        Toolkit tk = Toolkit.getDefaultToolkit();
        while(bAlive) try {
            Image img = tk.createImage(new URL("http://localhost/vciscar/WebCam.jpg"));
            gImagen.drawImage(img, 0, 0, this);
            repaint();
            Thread.sleep(100);
        } catch(Exception ex) {
            ex.printStackTrace();
        }
    }
    
    public boolean imageUpdate(Image img, int infoflags, int x, int y, int width, int height) {
        System.out.println("---");
        System.out.println(img.getSource().toString());
        if((infoflags & (ImageObserver.WIDTH))!=0)      System.out.print("width ");
        if((infoflags & (ImageObserver.HEIGHT))!=0)     System.out.print("height ");
        if((infoflags & (ImageObserver.ERROR))!=0)      System.out.print("error ");
        if((infoflags & (ImageObserver.ABORT))!=0)      System.out.print("abort ");
        if((infoflags & (ImageObserver.ALLBITS))!=0)    System.out.print("allbits ");
        if((infoflags & (ImageObserver.SOMEBITS))!=0)   System.out.print("somebits ");
        if((infoflags & (ImageObserver.PROPERTIES))!=0) System.out.print("properties ");
        if((infoflags & (ImageObserver.FRAMEBITS))!=0)  System.out.print("framebits ");
        boolean done = ((infoflags & (ImageObserver.ERROR | ImageObserver.FRAMEBITS | ImageObserver.ALLBITS)) != 0);
        System.out.println(done);
        if(done) repaint();
        return done;
    }

}