.Tuesday, August 31, 2010 ' 6:45 PM Y
& your love is all i ever wanted
Program Graph
Expose Animation.........
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import javax.swing.*;
public class ExposeAnimation {
int w = 400;
int h = 250;
int pad = 20;
int maxValue = h - 2*pad;
int xInc = 20;
int[] data;
public ExposeAnimation() {
// Make up some data (keeping noah.w's schema).
int numPts = 100;
data = new int[numPts];
for(int i = 0; i < numPts; i++) {
data[i] = (int)(Math.random() * maxValue) - maxValue/2;
}
}
private JPanel getContent() {
JPanel panel = new JPanel(new GridLayout(2,0));
// Show first 4 images of animation.
int n = 4;
for(int i = 0; i < n; i++) {
BufferedImage image = getFrame(i);
JLabel label = new JLabel(new ImageIcon(image));
label.setBorder(BorderFactory.createTitledBorder("Frame " + i));
panel.add(label);
}
return panel;
}
private BufferedImage getFrame(int startIndex) {
BufferedImage image = getCompatibleImage();
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setPaint(Color.white);
g2.fillRect(0,0,w,h);
int limit = (w + (startIndex*xInc))/xInc;
//System.out.println("limit: " + limit);
int dy = pad + maxValue/2; // center data in vertical
int x = 0;
for(int i = startIndex; i < limit; i++) {
g2.setPaint(Color.black);
int y1 = data[i] + dy;
int y2 = data[i+1] + dy;
g2.drawLine(x, y1, x+xInc, y2);
// Mark and label the points.
g2.setPaint(Color.red);
g2.fill(new Ellipse2D.Double(x-1.5, y1-1.5, 4, 4));
g2.drawString(String.valueOf(i), x+5, y1-5);
x += xInc;
}
g2.dispose();
return image;
}
private BufferedImage getCompatibleImage() {
return GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration()
.createCompatibleImage(w, h);
}
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new ExposeAnimation().getContent());
f.pack();
f.setLocation(40,25);
f.setVisible(true);
}
}
-----------aksencris-------
