Notes

package aj;
import java.awt.Frame;
import java.awt.*;
import java.awt.geom.GeneralPath;
import javax.swing.JFrame;

public class Card extends JFrame {
public static final double halfPI = Math.PI / 2;
/**
* @param args the command line arguments
*/
public void blahblah(){
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
// TODO code application logic here
Card blah = new Card();
blah.setSize(1000,1000);
blah.setVisible(true);
}
public double circleX(int sides, int angle) {
double coeff = (double)angle/(double)sides;
return Math.cos(2*coeff*Math.PI-halfPI);
}

public double circleY(int sides, int angle) {
double coeff = (double)angle/(double)sides;
return Math.sin(2*coeff*Math.PI-halfPI);
}

public void drawStar(Graphics g, Color c, int sides, int x, int y, int w, int h) {
Color colorSave = g.getColor();
g.setColor(c);
for(int i = 0; i < sides; i++) {
int x1 = (int)(circleX(sides,i) * (double)(w)) + x;
int y1 = (int)(circleY(sides,i) * (double)(h)) + y;
int x2 = (int)(circleX(sides,(i+2)%sides) * (double)(w)) + x;
int y2 = (int)(circleY(sides,(i+2)%sides) * (double)(h)) + y;
g.drawLine(x1,y1,x2,y2);
}
}
public void paint(Graphics g) {
//tree
Graphics2D g2d = (Graphics2D)g;
GeneralPath gp = new GeneralPath();
g2d.setStroke (new BasicStroke (1.0f));
gp.moveTo(400, 300);

gp.lineTo(350, 400);
gp.lineTo(370,400);
gp.lineTo(300, 500);
gp.lineTo(340,500);
gp.lineTo(250, 600);
gp.lineTo(310,600);
gp.lineTo(200, 700);
gp.lineTo(280,700);

gp.moveTo(400, 300);

gp.lineTo(450,400);
gp.lineTo(430,400);
gp.lineTo(500,500);
gp.lineTo(460,500);
gp.lineTo(550,600);
gp.lineTo(490,600);
gp.lineTo(600,700);
gp.lineTo(280,700);

g2d.setColor(Color.green);
g2d.draw(gp);
//star
drawStar(g,Color.yellow,6,400,280,30,30);

//base
Graphics2D g2d2 = (Graphics2D)g;
GeneralPath gp2 = new GeneralPath();
gp2.moveTo(350,700);
gp2.lineTo(350,780);
gp2.lineTo(450,780);
gp2.lineTo(450,700);
g2d2.setColor(Color.BLACK);
g2d2.draw(gp2);

//decors
Graphics2D g2d3 = (Graphics2D)g;
int x,y,i;
g2d3.setColor(Color.orange);
g2d3.drawOval(340, 400, 20, 20);
g2d3.drawOval(390, 400, 20, 20);
g2d3.drawOval(440, 400, 20, 20);
x=240;
y=500;
for(i=0;i<15;i++){
if(i<5){
if(i%2==0){
g2d3.setColor(Color.orange);
}
else{
g2d3.setColor(Color.blue);
}
x=x+50;
g2d3.drawOval(x, y, 20, 20);
}
if(5==i){

y=y+100;
x=190;
}
if(i>=5 && i<15){
if(i%2!=0){
g2d3.setColor(Color.orange);
}
else{
g2d3.setColor(Color.blue);
}
x=x+50;
g2d3.drawOval(x, y, 20, 20);
}
if(i==10){
y=y+100;
x=140;
}
if(i>=10 && i<15){
if(i%2==0){
g2d3.setColor(Color.orange);
}
else{
g2d3.setColor(Color.blue);
}
x=x+50;
g2d3.drawOval(x, y, 20, 20);
}
}
//greetings
Graphics2D g2d4 = (Graphics2D)g;
g2d4.drawString("Merry Christmas and Happy New Year", 290, 240);
}
}