Java by API/java.awt.image/ImageObserver

ImageObserver.ABORT

import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.image.ImageObserver;
public class MainClass {
  public static void main(String[] args) {
    ImageObserver myObserver = new ImageObserver() {
      public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
        if ((flags & HEIGHT) != 0)
          System.out.println("Image height = " + height);
        if ((flags & WIDTH) != 0)
          System.out.println("Image width = " + width);
        if ((flags & FRAMEBITS) != 0)
          System.out.println("Another frame finished.");
        if ((flags & SOMEBITS) != 0)
          System.out.println("Image section :" + new Rectangle(x, y, width, height));
        if ((flags & ALLBITS) != 0)
          System.out.println("Image finished!");
        if ((flags & ABORT) != 0)
          System.out.println("Image load aborted...");
        return true;
      }
    };
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image img = toolkit.getImage(args[0]);
    toolkit.prepareImage(img, -1, -1, myObserver);
  }
}

ImageObserver.ALLBITS

import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.image.ImageObserver;
public class MainClass {
  public static void main(String[] args) {
    ImageObserver myObserver = new ImageObserver() {
      public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
        if ((flags & HEIGHT) != 0)
          System.out.println("Image height = " + height);
        if ((flags & WIDTH) != 0)
          System.out.println("Image width = " + width);
        if ((flags & FRAMEBITS) != 0)
          System.out.println("Another frame finished.");
        if ((flags & SOMEBITS) != 0)
          System.out.println("Image section :" + new Rectangle(x, y, width, height));
        if ((flags & ALLBITS) != 0)
          System.out.println("Image finished!");
        if ((flags & ABORT) != 0)
          System.out.println("Image load aborted...");
        return true;
      }
    };
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image img = toolkit.getImage(args[0]);
    toolkit.prepareImage(img, -1, -1, myObserver);
  }
}

ImageObserver.FRAMEBITS

import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.image.ImageObserver;
public class MainClass {
  public static void main(String[] args) {
    ImageObserver myObserver = new ImageObserver() {
      public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
        if ((flags & HEIGHT) != 0)
          System.out.println("Image height = " + height);
        if ((flags & WIDTH) != 0)
          System.out.println("Image width = " + width);
        if ((flags & FRAMEBITS) != 0)
          System.out.println("Another frame finished.");
        if ((flags & SOMEBITS) != 0)
          System.out.println("Image section :" + new Rectangle(x, y, width, height));
        if ((flags & ALLBITS) != 0)
          System.out.println("Image finished!");
        if ((flags & ABORT) != 0)
          System.out.println("Image load aborted...");
        return true;
      }
    };
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image img = toolkit.getImage(args[0]);
    toolkit.prepareImage(img, -1, -1, myObserver);
  }
}

ImageObserver.HEIGHT

import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.image.ImageObserver;
public class MainClass {
  public static void main(String[] args) {
    ImageObserver myObserver = new ImageObserver() {
      public boolean imageUpdate(Image image, int flags, int x, int y, int width, int height) {
        if ((flags & HEIGHT) != 0)
          System.out.println("Image height = " + height);
        if ((flags & WIDTH) != 0)
          System.out.println("Image width = " + width);
        if ((flags & FRAMEBITS) != 0)
          System.out.println("Another frame finished.");
        if ((flags & SOMEBITS) != 0)
          System.out.println("Image section :" + new Rectangle(x, y, width, height));
        if ((flags & ALLBITS) != 0)
          System.out.println("Image finished!");
        if ((flags & ABORT) != 0)
          System.out.println("Image load aborted...");
        return true;
      }
    };
    Toolkit toolkit = Toolkit.getDefaultToolkit();
    Image img = toolkit.getImage(args[0]);
    toolkit.prepareImage(img, -1, -1, myObserver);
  }
}