import java.awt.event.*;
import javax.swing.*;

import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import com.sun.opengl.util.*;

public class colormask//
        extends glskeleton//
        implements GLEventListener//
        , KeyListener//
{
    private GLUT glut;
    private GLU glu;
    
    //
    public colormask() {
    }
    
    public static void main(String[] args) {
        GLCapabilities caps = new GLCapabilities();
        GLJPanel canvas = new GLJPanel(caps);
        colormask demo = new colormask();
        demo.setCanvas(canvas);
        canvas.addGLEventListener(demo);
        demo.setDefaultListeners(demo);
        
//        JFrame.setDefaultLookAndFeelDecorated(true);
        JFrame frame = new JFrame("colormask");
        frame.setSize(500, 500);
        frame.setLocationRelativeTo(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        frame.getContentPane().add(canvas);
        frame.setVisible(true);
        canvas.requestFocusInWindow();
    }
    
    /*
     * Initialize material property, light source, lighting model, and depth
     * buffer.
     */
    public void init(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();
        glut = new GLUT();
	glu = new GLU();
        //
        gl.glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
        gl.glEnable(GL.GL_DEPTH_TEST);
        gl.glDepthFunc(GL.GL_LESS);
    }
    
    public void display(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();
        //
	gl.glLoadIdentity();
	gl.glRotatef(20,1,0,0);
        gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
// 	gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL.GL_LINE);
// 	gl.glCullFace(GL.GL_FRONT);
// 	gl.glEnable(GL.GL_CULL_FACE);

// 	gl.glColorMask(true,true,false,false);
	gl.glColor3d(0.0,0.0,0.0);
        glut.glutSolidSphere(1.0, 20, 20);	
    }
    
    public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
        GL gl = drawable.getGL();
        //
        gl.glViewport(0, 0, w, h);
        gl.glMatrixMode(GL.GL_PROJECTION);
        gl.glLoadIdentity();
        if (w <= h) //
            gl.glOrtho(-2.5, 2.5,//
                    -2.5 * (float) h / (float) w,//
                    2.5 * (float) h / (float) w,//
                    -10.0, 10.0);
        else
            gl.glOrtho(-2.5 * (float) w / (float) h, //
                    2.5 * (float) w / (float) h, //
                    -2.5, 2.5, -10.0, 10.0);
	
        gl.glMatrixMode(GL.GL_MODELVIEW);
        gl.glLoadIdentity();
    }
    
    public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
            boolean deviceChanged) {
    }
    
    public void keyTyped(KeyEvent key) {
    }
    
    public void keyPressed(KeyEvent key) {
        switch (key.getKeyCode()) {
            case KeyEvent.VK_ESCAPE:
                super.runExit();
                break;
                
            default:
                break;
        }
    }
    
    public void keyReleased(KeyEvent key) {
    }
    
}