Image: getHeight(ImageObserver observer) : Image « java.awt « Java by API

1. Java by API
2. java.awt
3. Image

Image: getHeight(ImageObserver observer)

  

import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Toolkit;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JFrame {
  Main() {
    add(new ContentPanel());
    setSize(500, 300);
  }

  public static void main(String[] args) {
    Main jrframe = new Main();
    jrframe.setVisible(true);
  }

}

class ContentPanel extends JPanel {
  Image bgimage = null;

  ContentPanel() {
    MediaTracker mt = new MediaTracker(this);
    bgimage = Toolkit.getDefaultToolkit().getImage("a.jpg");
    mt.addImage(bgimage, 0);
    try {
      mt.waitForAll();
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
  }

  protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    int imwidth = bgimage.getWidth(null);
    int imheight = bgimage.getHeight(null);
    g.drawImage(bgimage, 1, 1, null);
  }
}

   
    
  

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