import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.util.*;
/*
* Crea2.java
*
* Created on 25. Juli 2003, 20:01
*/
/**
*
* @author Administrator
*/
public class Crea2 extends javax.swing.JFrame {
private int x = 0;
private int y = 0;
private int dx;
private int dy;
private Image img = null;
private Graphics2D gra = null;
private boolean running = true;
private int w = 200;
private int h = 200;
private int pix[] = new int[w * h];
private int index = 0;
private Random r = null;
private Thread t = null;
int red = 0;
int blue = 0;
/** Creates new form Crea2 */
public Crea2() {
initComponents();
prepareImg();
r = new Random();
start();
}
private void start(){
t = new Thread(new Test());
t.start();
}
private void prepareImg(){
for (int y = 0; y < h; y++) {
int red = (y * 255) / (h - 1);
for (int x = 0; x < w; x++) {
int blue = (x * 255) / (w - 1);
pix[index++] = (255 << 24) | (red << 16) | blue;
}
}
img = createImage(new MemoryImageSource(w, h, pix, 0, w));
gra = (Graphics2D)jPanel1.getGraphics();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
exitForm(evt);
}
});
jPanel1.setMinimumSize(new java.awt.Dimension(400, 300));
jPanel1.setPreferredSize(new java.awt.Dimension(400, 300));
jPanel1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mousePressed(java.awt.event.MouseEvent evt) {
jPanel1MousePressed(evt);
}
});
getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);
pack();
}
private void jPanel1MousePressed(java.awt.event.MouseEvent evt) {
// Add your handling code here:
}
/** Exit the Application */
private void exitForm(java.awt.event.WindowEvent evt) {
System.exit(0);
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
new Crea2().show();
}
/*
public void paint(Graphics g){
super.paint(g);
}
**/
class Test implements Runnable{
public void run(){
while(true){
if(!running){
while(!running){
try{
Thread.currentThread().sleep(100);
}catch(InterruptedException ie){ie.printStackTrace();}
}
} else {
while(running){
index = 0;
dy += 2;
dx += 2;
for(int y = 0; y < h; y++){
for( int x = 0; x < w; x++){
red = (int)(180+ 180 *Math.sin( (x + dx) / (37 + 15 * Math.sin( (y+dy) / 74))) * Math.sin( (y+dy) / (31 + 11 * Math.sin((x + dx)/37))));
blue = (int)(180 + 180 *Math.cos( (x + dx) / (37 + 15 * Math.cos( (y + dy) / 74))) * Math.cos((y+dy) / (31 + 11 * Math.cos((x+dx)/37))));
pix[index++] = (16 << 24) | (red << 16) | blue;
//System.out.println("x: " + x + " y: "+y +" index: " + index);
}
}
img = createImage(new MemoryImageSource(w, h, pix, 0, w));
try{
Thread.currentThread().sleep(10);
}catch(InterruptedException ie){ ie.printStackTrace();}
if(img != null)
gra.drawImage(img,50,50,200,200,jPanel1);
}
}
}
}
}
// Variables declaration - do not modify
private javax.swing.JPanel jPanel1;
// End of variables declaration
}
