import java.awt. - oth

/* Aufgabe1.java */
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/**
* @author Karlheinz Wurm
*/
public class Aufgabe1
extends Applet
{
Font f;
String name;
public void init ()
{
f = new Font("Helvetica",Font.BOLD,48);
this.name = getParameter("name");
if (this.name == null)
{
this.name = "Nobody";
}
this.name = "Hallo " + this.name;
}
public void paint(Graphics g)
{
// Oval mit Farbe pink
g.setColor(Color.pink);
g.fillOval(10,10,330,100);
// Roter Umfassungsrahmen, da Java keine Linienbreite
// verarbeitet, wird die Linienbreite durch 4 Ovale
// unterschliedlicher Pixelbreite simuliert
g.setColor(Color.red);
g.drawOval(10,10,330,100);
g.drawOval(9,9,332,102);
g.drawOval(8,8,334,104);
g.drawOval(7,7,336,106);
// Textausgabe
g.setColor(Color.black);
g.setFont(f);
g.drawString(this.name,30,75);
}
}
/* Aufgabe2.java */
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/**
* @author Karlheinz Wurm
*/
public class Aufgabe2
extends Applet
{
public void init()
{
}
public void paint(Graphics g)
{
Dimension d = getSize();
g.setColor(Color.yellow);
g.fillRect(0,0,d.width-1,d.height-1);
// Zeichnen der Tasse
// Blaue Untertasse
g.setColor(Color.blue);
// fillOval(x,y,hoehe,breite)
g.fillOval(10,110,150,40);
g.setColor(Color.black);
// drawOval(x,y,hoehe,breite)
g.drawOval(10,110,150,40);
g.drawOval(60,122,50,16);
// rote Tasse
g.setColor(Color.red);
// Henkel
// drawArc(x,y,hoehe,breite,startwinkel,bogen)
g.drawArc(130,30,40,50,-120,210);
g.fillArc(20,-70,130,200,180,180);
g.setColor(Color.black);
g.fillOval(20,20,130,20);
// Beschriftung
g.drawString("Kaffetasse",60,170);
}
}
/* Aufgabe3.java */
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/**
* @author Benjamin Kormann
*/
public class Aufgabe3
extends Applet
{
private Polygon p;
private int count, width, rad;
public void init()
{
Dimension d = getSize();
width = d.width - 1;
rad = (int) (0.4*width);
count = Integer.valueOf(getParameter("count")).intValue();
generatePolygon();
}
private void generatePolygon()
{
int pointX[] = new int[count];
int pointY[] = new int[count];
;
for(int i = 0; i < 360; i+=(360/count))
{
pointX[i*count/360] = width/2 +
(int)(rad*Math.cos(i*Math.PI/180));
pointY[i*count/360] = width/2 (int)(rad*Math.sin(i*Math.PI/180));
}
p = new Polygon(pointX, pointY, count);
}
public void paint(Graphics g)
{
g.drawPolygon(p);
}
}
/* Aufgabe4.java */
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/**
* @author Prof. Juergen Sauer
*/
public class Aufgabe4
extends Applet
{
/* Abmessungen des Fensters */
private static int hoehe;
private static int breite;
/* Applet-Verarbeitungsmethoden */
public void init()
{
Dimension d = getSize();
hoehe = d.height - 1;
breite = d.width - 1;
}
public void paint(Graphics g)
{
// setBackground
g.setColor(Color.yellow);
g.fillRect(0,0,breite,hoehe);
g.setColor(Color.black);
double b;
int rx = breite / 2;
int ry = hoehe / 2;
for (int i = 0;i < 360; i++)
{
b = i * Math.PI / 180;
int x = (int) (breite / 2 * Math.sin(12*b));
int y = (int) (hoehe / 2 * Math.sin(12*b));
int rx1 = (int)(breite/2 + (x * Math.cos(b)));
int ry1 = (int)(hoehe/2 + (y * Math.sin(b)));
g.drawLine(rx,ry,rx1,ry1);
rx = rx1; ry = ry1;
}
}
}