Malprogramm mit java

import java.applet.*;

import java.awt.*;

import java.awt.event.*;



public class painter extends Applet implements MouseListener,

ActionListener, MouseMotionListener



{

int X = 0;

int Y = 0;

int prevX = 0;

int prevY = 0;

int farbe = 0;



public void init()

{

addMouseListener(this);

addMouseMotionListener(this);

setBackground(Color.white);

Button delB = new Button(\"Löschen\");

Button gelbB = new Button(\"Gelb\");

Button blauB = new Button(\"Blau\");

Button rotB = new Button(\"Rot\");

Button grünB = new Button(\"Grün\");

Button schwarzB = new Button(\"Schwarz\");

Button radiererB = new Button(\"Radierer\");

Button kleinerB = new Button(\"Kleiner Kreis\");

Button halbB = new Button(\"Halb Kreis\");

Button quadratB = new Button(\"Quadrat\");

Button clearB = new Button(\"Clear Rect\");

Button großerB = new Button(\"Großer Kreis\");

Button schwquadratB = new Button(\"Schwarzes Quadrat\");



this.add(delB);

delB.addActionListener(this);

this.add(gelbB);

gelbB.addActionListener(this);

this.add(blauB);

blauB.addActionListener(this);

this.add(rotB);

rotB.addActionListener(this);

this.add(grünB);

grünB.addActionListener(this);

this.add(schwarzB);

schwarzB.addActionListener(this);

this.add(radiererB);

radiererB.addActionListener(this);

this.add(kleinerB);

kleinerB.addActionListener(this);

this.add(halbB);

halbB.addActionListener(this);

this.add(quadratB);

quadratB.addActionListener(this);

this.add(clearB);

clearB.addActionListener(this);

this.add(großerB);

großerB.addActionListener(this);

this.add(schwquadratB);

schwquadratB.addActionListener(this);

}



public void mousePressed(MouseEvent e)

{

prevX = e.getX();

prevY = e.getY();

}



public void mouseDragged(MouseEvent e)

{

X = e.getX();

Y = e.getY();

Graphics g = getGraphics();

if (farbe == 1) {g.setColor(Color.yellow);}

if (farbe == 2) {g.setColor(Color.blue);}

if (farbe == 3) {g.setColor(Color.red);}

if (farbe == 4) {g.setColor(Color.green);}

if (farbe == 5) {g.setColor(Color.black);}

if (farbe == 6) {g.setColor(Color.white);}

if (farbe == 7) {g.setColor(Color.black);}

g.drawLine(X, Y, prevX, prevY);

prevX = X;

prevY = Y;

}



public void actionPerformed(ActionEvent e)

{

String Klick = e.getActionCommand();

Graphics g = getGraphics();

if(Klick == \"Löschen\") {repaint(); farbe = 0;}

if(Klick == \"Gelb\") { farbe = 1;}

if(Klick == \"Blau\") { farbe = 2;}

if(Klick == \"Rot\") { farbe = 3;}

if(Klick == \"Grün\") { farbe = 4;}

if(Klick == \"Schwarz\") { farbe = 5;}

if(Klick == \"Radierer\") { farbe = 6;}

if(Klick == \"Kleiner Kreis\") { g.drawOval(40, 40, 40, 40);}

if(Klick == \"Halb Kreis\") {g.drawArc(300, 150, 150, 150, 150, 150);}

if(Klick == \"Quadrat\") {g.drawRect(100, 200, 100, 100);}

if(Klick == \"Clear Rect\") {g.clearRect(100, 100, 100,100);}

if(Klick == \"Großer Kreis\") {g.drawRoundRect(80, 80, 80, 80, 80, 80);}

if(Klick== \"Schwarzes Quadrat\") {g.fillRect(450, 150, 150, 150);}

}

public void mouseClicked(MouseEvent e) {}

public void mouseEntered(MouseEvent e) {}

public void mouseExited(MouseEvent e) {}

public void mouseMoved(MouseEvent e) {}

public void mouseReleased(MouseEvent e) {}

}