package glredbook10;
import java.awt.event.*;
import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.glu.*;
import com.sun.opengl.util.*;
/**
* Draws the bitmapped letter F on the screen (several times). This demonstrates
* use of the glBitmap() call.
*
* @author Kiet Le (Java conversion)
*/
public class drawf
extends JFrame
implements GLEventListener, KeyListener
{
private GLCapabilities caps;
private GLCanvas canvas;
private FPSAnimator animator;
private byte rasters[] = new byte[]
{ (byte) 0xc0, (byte) 0x00, (byte) 0xc0, (byte) 0x00, (byte) 0xc0,
(byte) 0x00, (byte) 0xc0, (byte) 0x00, (byte) 0xc0, (byte) 0x00,
(byte) 0xff, (byte) 0x00, (byte) 0xff, (byte) 0x00, (byte) 0xc0,
(byte) 0x00, (byte) 0xc0, (byte) 0x00, (byte) 0xc0, (byte) 0x00,
(byte) 0xff, (byte) 0xc0, (byte) 0xff, (byte) 0xc0 };
public drawf()
{
super("drawf");
caps = new GLCapabilities();
canvas = new GLCanvas(caps);
canvas.addGLEventListener(this);
canvas.addKeyListener(this);
getContentPane().add(canvas);
}
public void run()
{
setSize(500, 500);
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
canvas.requestFocusInWindow();
}
public static void main(String[] args)
{
new drawf().run();
}
public void init(GLAutoDrawable drawable)
{
GL gl = drawable.getGL();
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
public void display(GLAutoDrawable drawable)
{
GL gl = drawable.getGL();
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glColor3f(1.0f, 1.0f, 1.0f);
gl.glRasterPos2f(20.5f, 20.5f);
gl.glBitmap(10, 12, 0.0f, 0.0f, 12.0f, 0.0f, rasters, 0);
gl.glBitmap(10, 12, 0.0f, 0.0f, 12.0f, 0.0f, rasters, 0);
gl.glBitmap(10, 12, 0.0f, 0.0f, 12.0f, 0.0f, rasters, 0);
gl.glFlush();
}
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();
gl.glOrtho(0, w, 0, h, -1.0, 1.0);
gl.glMatrixMode(GL.GL_MODELVIEW);
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
boolean deviceChanged)
{
}
public void keyTyped(KeyEvent key)
{
// TODO Auto-generated method stub
}
public void keyPressed(KeyEvent key)
{
switch (key.getKeyChar()) {
case KeyEvent.VK_ESCAPE:
System.exit(0);
break;
default:
break;
}
}
public void keyReleased(KeyEvent key)
{
// TODO Auto-generated method stub
}
}
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