/*
DEVELOPING GAME IN JAVA
Caracteristiques
Editeur : NEW RIDERS
Auteur : BRACKEEN
Parution : 09 2003
Pages : 972
Isbn : 1-59273-005-1
Reliure : Paperback
Disponibilite : Disponible a la librairie
*/
import java.awt.*;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
public class ImageSpeedTest extends JFrame {
public static void main(String args[]) {
DisplayMode displayMode;
if (args.length == 3) {
displayMode = new DisplayMode(Integer.parseInt(args[0]), Integer
.parseInt(args[1]), Integer.parseInt(args[2]),
DisplayMode.REFRESH_RATE_UNKNOWN);
} else {
displayMode = new DisplayMode(800, 600, 16,
DisplayMode.REFRESH_RATE_UNKNOWN);
}
ImageSpeedTest test = new ImageSpeedTest();
test.run(displayMode);
}
private static final int FONT_SIZE = 24;
private static final long TIME_PER_IMAGE = 1500;
private SimpleScreenManager screen;
private Image bgImage;
private Image opaqueImage;
private Image transparentImage;
private Image translucentImage;
private Image antiAliasedImage;
private boolean imagesLoaded;
public void run(DisplayMode displayMode) {
setBackground(Color.blue);
setForeground(Color.white);
setFont(new Font("Dialog", Font.PLAIN, FONT_SIZE));
imagesLoaded = false;
screen = new SimpleScreenManager();
try {
screen.setFullScreen(displayMode, this);
synchronized (this) {
loadImages();
// wait for test to complete
try {
wait();
} catch (InterruptedException ex) {
}
}
} finally {
screen.restoreScreen();
}
}
public void loadImages() {
bgImage = loadImage("images/background.jpg");
opaqueImage = loadImage("images/opaque.png");
transparentImage = loadImage("images/transparent.png");
translucentImage = loadImage("images/translucent.png");
antiAliasedImage = loadImage("images/antialiased.png");
imagesLoaded = true;
// signal to AWT to repaint this window
repaint();
}
private final Image loadImage(String fileName) {
return new ImageIcon(fileName).getImage();
}
public void paint(Graphics g) {
// set text anti-aliasing
if (g instanceof Graphics2D) {
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
}
// draw images
if (imagesLoaded) {
drawImage(g, opaqueImage, "Opaque");
drawImage(g, transparentImage, "Transparent");
drawImage(g, translucentImage, "Translucent");
drawImage(g, antiAliasedImage, "Translucent (Anti-Aliased)");
// notify that the test is complete
synchronized (this) {
notify();
}
} else {
g.drawString("Loading Images...", 5, FONT_SIZE);
}
}
public void drawImage(Graphics g, Image image, String name) {
int width = screen.getFullScreenWindow().getWidth()
- image.getWidth(null);
int height = screen.getFullScreenWindow().getHeight()
- image.getHeight(null);
int numImages = 0;
g.drawImage(bgImage, 0, 0, null);
long startTime = System.currentTimeMillis();
while (System.currentTimeMillis() - startTime < TIME_PER_IMAGE) {
int x = Math.round((float) Math.random() * width);
int y = Math.round((float) Math.random() * height);
g.drawImage(image, x, y, null);
numImages++;
}
long time = System.currentTimeMillis() - startTime;
float speed = numImages * 1000f / time;
System.out.println(name + ": " + speed + " images/sec");
}
}
/**
* The SimpleScreenManager class manages initializing and displaying full screen
* graphics modes.
*/
class SimpleScreenManager {
private GraphicsDevice device;
/**
* Creates a new SimpleScreenManager object.
*/
public SimpleScreenManager() {
GraphicsEnvironment environment = GraphicsEnvironment
.getLocalGraphicsEnvironment();
device = environment.getDefaultScreenDevice();
}
/**
* Enters full screen mode and changes the display mode.
*/
public void setFullScreen(DisplayMode displayMode, JFrame window) {
window.setUndecorated(true);
window.setResizable(false);
device.setFullScreenWindow(window);
if (displayMode != null && device.isDisplayChangeSupported()) {
try {
device.setDisplayMode(displayMode);
} catch (IllegalArgumentException ex) {
// ignore - illegal mode for this device
}
}
}
/**
* Returns the window currently used in full screen mode.
*/
public Window getFullScreenWindow() {
return device.getFullScreenWindow();
}
/**
* Restores the screen's display mode.
*/
public void restoreScreen() {
Window window = device.getFullScreenWindow();
if (window != null) {
window.dispose();
}
device.setFullScreenWindow(null);
}
}
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