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| import java.awt.Color;
import java.awt.Frame;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferStrategy;
import java.awt.image.BufferedImage;
import java.util.Timer;
import java.util.TimerTask;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
public class J2dFrameWithStrategy extends JFrame {
BufferedImage bigImage;
BufferedImage backBuffer;
Graphics2D backGfx;
BufferStrategy bs;
final int bigXImagesize = 1024;
final int bigYImagesize = 10000;
final int dbXImagesize = 1024;
final int dbYImagesize = 750;
protected int fpsCounter = 0;
protected int workCounter = 0;
protected int index = 0;
protected String label = "Hello";
protected String label2 = "Hello";
Image image = null;
public J2dFrameWithStrategy(String label) {
super(label);
this.setVisible(true);
this.setBounds(0, 0, this.dbXImagesize, this.dbYImagesize);
//
this.setIgnoreRepaint(true);
this.createBufferStrategy(2);
bs = this.getBufferStrategy();
backGfx = (Graphics2D)bs.getDrawGraphics();
// this.bigImage = new BufferedImage(this.bigXImagesize,
// this.bigYImagesize, BufferedImage.TYPE_INT_RGB);
GraphicsConfiguration configuration = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
this.bigImage = configuration.createCompatibleImage(this.bigXImagesize, this.bigYImagesize);
// create a big bufer to scroll from
Graphics2D gfx = (Graphics2D) this.bigImage.getGraphics();
GradientPaint gp = new GradientPaint(0,0,Color.RED,20,20,Color.ORANGE,true);
gfx.setPaint(gp);
//gfx.setPaint(Color.ORANGE);
gfx.fill(new Rectangle2D.Float(0, 0, this.bigXImagesize,
this.bigYImagesize));
gfx.setPaint(Color.BLACK);
for (int y = 0; y < bigYImagesize; y = y + 100) {
gfx.drawString("line" + y, 100, y);
gfx.drawLine(0, y + 5, this.bigXImagesize, y + 5);
}
this.image = bigImage.getSubimage(0, 0, this.bigXImagesize, this.bigYImagesize);
}
public void paintMyCpm(Graphics g) {
// super.paint(g);
Graphics2D g2d = (Graphics2D) g;
g.drawImage(this.backBuffer, 0, 0, null);
// increase the nb of fps
setFps(getFps() + 1);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
final J2dFrameWithStrategy frame = new J2dFrameWithStrategy("2D display");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Runnable mainLoop = new Runnable() {
public void run() throws RuntimeException {
while (true) {
// update the index
int newIndex = frame.getIndex() + 1;
if (newIndex > (frame.bigYImagesize - frame.dbYImagesize))
newIndex = 0;
frame.setIndex(newIndex);
frame.backGfx.drawImage(frame.image, 0, -frame.getIndex(), null);
frame.backGfx.setColor(Color.WHITE);
frame.backGfx.drawString(frame.getLabel(), 800, 200);
frame.backGfx.drawString(frame.getLabel2(), 800, 240);
// update the work count
frame.setWorkCounter(frame.getWorkCounter() + 1);
// paint it
frame.paintMyCpm(frame.backGfx);
try {
Thread.sleep(10);
//Thread.yield();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
frame.bs.show();
}
}
};
Thread mainLoopThread = new Thread(mainLoop, "Main loop thread");
// go
mainLoopThread.start();
Thread measurementThread = new Thread(mainLoop, "measurement thread");
Timer timer = new Timer("measurement thread");
TimerTask task = new TimerTask() {
public void run() {
// get the scores and set the label
frame.setLabel("FPS : " + frame.getFps());
frame.setLabel2("Loop count : " + frame.getWorkCounter());
// reset them
frame.setFps(0);
frame.setWorkCounter(0);
}
};
timer.schedule(task, 1000);
}
public synchronized int getIndex() {
return index;
}
public synchronized void setIndex(int index) {
this.index = index;
}
public synchronized int getFps() {
return fpsCounter;
}
public synchronized void setFps(int fps) {
this.fpsCounter = fps;
}
public synchronized String getLabel() {
return label;
}
public synchronized void setLabel(String label) {
this.label = label;
}
public synchronized String getLabel2() {
return label2;
}
public synchronized void setLabel2(String label2) {
this.label2 = label2;
}
public synchronized int getWorkCounter() {
return workCounter;
}
public synchronized void setWorkCounter(int workCounter) {
this.workCounter = workCounter;
}
} |
