JOGL - GLJPanel Class


Advertisements


This chapter explains you how to draw a JOGL basic frame using GLJpanel class. It is a lightweight Swing component which provides OpenGL rendering support. It is provided for compatibility with Swing. In here we will instantiate a JFrame and add the GLJpanel object to the instance of JFrame using the add() method.

The following program generates a basic frame using GLJPanel with Swing window −

import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCapabilities;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.GLProfile;
import javax.media.opengl.awt.GLCanvas;

import javax.swing.JFrame;

public class BasicFrame implements GLEventListener {

   @Override
   public void display(GLAutoDrawable arg0) {
      // method body
   }
   
   @Override
   public void dispose(GLAutoDrawable arg0) {
      //method body
   }
   
   @Override
   public void init(GLAutoDrawable arg0) {
      // method body
   }
   
   @Override
   public void reshape(GLAutoDrawable arg0, int arg1, int arg2, int arg3, int arg4) {
      // method body
   }
   
   public static void main(String[] args) {
   
      //getting the capabilities object of GL2 profile
      final GLProfile profile = GLProfile.get(GLProfile.GL2);
      GLCapabilities capabilities = new GLCapabilities(profile);
      
      // The GLJpanel class
      GLJPanel gljpanel = new GLJPanel( glcapabilities ); 
      BasicFrame b = new BasicFrame();
      gljpanel.addGLEventListener(b);
      gljpanel.setSize(400, 400);
      
      //creating frame
      final JFrame frame = new JFrame (" Basic Frame");
      
      //adding canvas to it
      frame.getContentPane().add( gljpanel);
      frame.setSize(frame.getContentPane().getPreferredSize());
      frame.setVisible(true);
      
   }//end of main
	
}//end of classimport

If you compile and execute the above program, the following output is generated. It shows a basic frame formed when we use GLJPanel with swing window −

Basic Frame

Advertisements