Image Speed Test : Graphics Speed « Game « Java

1. Java
2. Game
3. Graphics Speed

Image Speed Test

       /*
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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