import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.applet.Applet;
import com.sun.image.codec.jpeg.*;  
import java.io.*;
import java.awt.Choice;
import java.net.URL;

public class Graafika extends Applet implements MouseListener, ActionListener {
 int a=0;
 int b=0;

 int a1=0;
 int b1=0;

  BufferedImage pilt=new BufferedImage(600, 600, BufferedImage.TYPE_INT_RGB);
  BufferedImage pilt2=new BufferedImage(600, 600, BufferedImage.TYPE_INT_RGB);
  BufferedImage pilt3=new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
  Graphics2D g=pilt.createGraphics();
  
  	Choice valik=new Choice();
	Choice valik2=new Choice();
	Choice valik3=new Choice();
	Choice valik4=new Choice();
	
	Button salvesta=new Button("Salvesta");
	Button tuhmista=new Button("Tuhmista pilt");
	Button varjusta=new Button("Tekita vari");
	Button asenda=new Button("Asenda värv");
	Button sulge=new Button("Sulge aken");
	Button ava=new Button("Ava fail");
	
	TextField fail=new TextField(20); 
	
	BufferedImage puhver;
  public Graafika(){
    addMouseListener(this);
    Panel p=new Panel(new GridLayout(1, 2));
    Panel pp=new Panel(new GridLayout(1, 2));
			
    p.add(fail);
	 p.add(ava);
	 ava.addActionListener(this);
		
    valik.add("Sinine");
    valik.add("Punane");
    valik.add("Kollane");
    p.add(valik);

	 valik2.add("Ring");
    valik2.add("Ristkülik");
	 valik2.add("Joon");
	 p.add(valik2);
  
	 valik3.add("Seest tühi");
    valik3.add("Seest täis");
    p.add(valik3);
    		
    valik4.add("Lõika");
	 valik4.add("Kleebi");
	 p.add(valik4);
	
	 pp.add(tuhmista);
	 tuhmista.addActionListener(this);
	 pp.add(varjusta);
	 varjusta.addActionListener(this);
	 pp.add(asenda);
	 asenda.addActionListener(this);
	 pp.add(salvesta);
	 salvesta.addActionListener(this);
	 pp.add(sulge);
	 sulge.addActionListener(this);
	 setLayout(new BorderLayout());
    add(p, BorderLayout.NORTH);
    add(pp, BorderLayout.SOUTH);
		
  }
	public void actionPerformed(ActionEvent e){
		if(e.getSource()==salvesta){
			try{
		FileOutputStream FO=new FileOutputStream("Pilt.jpg");
		JPEGCodec.createJPEGEncoder(FO).encode(pilt);
		FO.close();
			}catch(Exception viga){}
    			repaint();
    		
		}else if(e.getSource()==ava){
			Image pilt=Toolkit.getDefaultToolkit().getImage(fail.getText());
			MediaTracker md=new MediaTracker(this);
			md.addImage(pilt, 0);
			try{
				md.waitForAll();
			}catch(Exception viga){}
  			g.drawImage(pilt, 0, 0, this);
    			repaint();
		}else if(e.getSource()==sulge){ 
		    try {
		 	Robot r=new Robot();
    			Dimension d=Toolkit.getDefaultToolkit().getScreenSize();
    			int laius=d.width;
    			int korgus=d.height;
    			Image pilt=r.createScreenCapture(new Rectangle(0, 0, laius, korgus));
    			int punktid[]=new int[laius*korgus];
    			PixelGrabber pg=new PixelGrabber(pilt, 0, 0, laius, korgus, punktid, 0, laius);
   			pg.grabPixels();
    			for(int y=0; y<korgus; y++){
      			   for(int x=0; x<laius; x++){
        		      int p=punktid[y*laius+x];
        		      int punane=p>>16 & 0xFF;
           		   int roheline=p>>8 & 0xFF;
        		      int sinine=p & 0xFF;
        		      if(punane==0 && sinine==0 && roheline==0){
          			 p=punktid[y*laius+x+1];
          			 punane=p>>16 & 0xFF;
          			 roheline=p>>8 & 0xFF;
          			 sinine=p & 0xFF;
  	  			 if(punane==0 && sinine==0 && roheline==0){
            			    p=punktid[y*laius+x+2];
            			    punane=p>>16 & 0xFF;
            			    roheline=p>>8 & 0xFF;
            			    sinine=p & 0xFF;         
  	    			    if(punane==192 && sinine==192 && roheline==192){
              			       p=punktid[y*laius+x+3];
              			       punane=p>>16 & 0xFF;
              			       roheline=p>>8 & 0xFF;
              			       sinine=p & 0xFF;  
              			       if(punane==192 && sinine==192 && roheline==192){
         				  p=punktid[y*laius+x+4];
               				  punane=p>>16 & 0xFF;
                			  roheline=p>>8 & 0xFF;
                			  sinine=p & 0xFF;
	 				  if(punane==192 && sinine==192 && roheline==192){
          	  			     p=punktid[y*laius+x+5];
              	   			     punane=p>>16 & 0xFF;
                  			     roheline=p>>8 & 0xFF;
                  			     sinine=p & 0xFF;
	          			     if(punane==192 && sinine==192 && roheline==192){
          	     				p=punktid[y*laius+x+6];
              	     				punane=p>>16 & 0xFF;
                     				roheline=p>>8 & 0xFF;
                     				sinine=p & 0xFF;
		     				if(punane==0 && sinine==0 && roheline==0){
          					   p=punktid[y*laius+x+7];
              					   punane=p>>16 & 0xFF;
              					   roheline=p>>8 & 0xFF;
              		 			   sinine=p & 0xFF;
						   if(punane==0 && sinine==0 && roheline==0){
          		   			      p=punktid[y*laius+x+8];
              		   			      punane=p>>16 & 0xFF;
              		   			      roheline=p>>8 & 0xFF;
              		   			      sinine=p & 0xFF;
	  					      r.mouseMove(x, y);
	  					      r.mousePress(InputEvent.BUTTON1_MASK );
	  					      r.mouseRelease(InputEvent.BUTTON1_MASK );
          					      System.exit(0);
       						   }}}}}}}}
      			   }
    		    }
    		 	}catch(Exception viga){}
		}else if(e.getSource()==tuhmista){
			RescaleOp rop = new RescaleOp(0.1f, 200.0f, null);
   			rop.filter(pilt,pilt2);
    			g.drawImage(pilt, 25, 50, this);
    			g.drawImage(pilt2, 125, 150, this);
    			repaint();
		}else if(e.getSource()==varjusta){
			float andmed[]=new float[]{0.5f, 0, 0, 0, 0, 0, 0, 0, 0, 0.5f};
   			ConvolveOp co=new ConvolveOp(new Kernel(1, 10, andmed));
   			ConvolveOp c=new ConvolveOp(new Kernel(10, 1, andmed));  
   			co.filter(pilt, pilt2);
   			c.filter(pilt2, pilt3);
  			g.drawImage(pilt2, 25, 50, this);
//    			g.drawImage(pilt3, 225, 250, this);
    			repaint();
		}else if(e.getSource()==asenda){
			float andmed[][]=new float[][]{
     				{1,  0,   0},  
     				{0,  0,   0}, 
     				{0,  1,   1}
   			};
   			BandCombineOp bco=new BandCombineOp(
      			  andmed, null
   			);
   			bco.filter(pilt.getData(), pilt2.getRaster());
   			g.drawImage(pilt, 25, 50, this);
    			g.drawImage(pilt2, 125, 150, this);
    			repaint();
		}
        }

  public void paint(Graphics g){
    g.drawImage(pilt, 0, 0, this);
//    g.drawImage(pilt2, 0, 0, this);
//    g.drawImage(pilt3, 0, 0, this);
  }
    
  public void mousePressed(MouseEvent e){
    Color c=Color.green;
     a= e.getX();
     b= e.getY();
     
     a1= e.getX();
     b1= e.getY();
     
    String varv=valik.getSelectedItem();
    if(varv.equals("Sinine"))c=Color.blue;
    if(varv.equals("Punane"))c=Color.red;
    if(varv.equals("Kollane"))c=Color.yellow;
    g.setColor(c);

    String seest=valik3.getSelectedItem();
    String kuju=valik2.getSelectedItem();
    
    if(kuju.equals("Ring") && seest.equals("Seest tühi"))g.drawOval(e.getX()-10, e.getY()-10, 20, 20);
    if(kuju.equals("Ring") && seest.equals("Seest täis"))g.fillOval(e.getX()-10, e.getY()-10, 20, 20);
    if(kuju.equals("Ristkülik") && seest.equals("Seest tühi"))g.drawRect(e.getX()-10, e.getY()-10, 20, 20);
    if(kuju.equals("Ristkülik") && seest.equals("Seest täis"))g.fillRect(e.getX()-10, e.getY()-10, 20, 20);
    g.setColor(c); 
    

  }
  public void mouseReleased(MouseEvent e){
	int laius=Math.abs(a-e.getX());
	int korgus=Math.abs(b-e.getY());
     
	String seest=valik3.getSelectedItem();
	String kuju=valik2.getSelectedItem();
	String tegu=valik4.getSelectedItem();
	
	if(kuju.equals("Joon") && seest.equals("Seest tühi"))g.drawLine(a, b, e.getX(), e.getY());
	if(kuju.equals("Joon") && seest.equals("Seest täis"))g.drawLine(a, b, e.getX(), e.getY());
	if(tegu.equals("Lõika")){
                System.out.println(laius+ " "+ korgus);
		puhver=new BufferedImage(laius, korgus, BufferedImage.TYPE_INT_RGB);
		Graphics2D puhverg=puhver.createGraphics();
		puhverg.drawImage(pilt, -a, -b, this);

	}
	if(tegu.equals("Kleebi")){
		if (puhver!=null){
    			g.drawImage(puhver, a, b, this); 
			repaint();
    		}
		System.out.println(laius+ " "+ korgus);
		g.drawImage(puhver, a1, b1, this);
	}repaint();
   }
  
  public void mouseClicked(MouseEvent e){}
  public void mouseEntered(MouseEvent e){}
  public void mouseExited(MouseEvent e){}
  
  public static void main(String[] arg){
    Frame f=new Frame();
    f.add(new Graafika());
    f.setSize(600, 600);
    f.setVisible(true);
  }
	    	
}