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| import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Random;
import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCanvas;
import javax.media.opengl.GLEventListener;
import javax.media.opengl.glu.GLU;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import com.sun.opengl.util.Animator;
import com.sun.opengl.util.j2d.TextRenderer;
public class testText extends JFrame implements GLEventListener {
private TextRenderer renderer;
private int TEXT_LENGTH = 5;
private int NB_TEXT = 100;
private int _width = 1000;
private int _height = 800;
private String[] texts;
private int[][] coords;
private GLU glu = new GLU();
public testText() {
super("test Text JOGL");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.getContentPane().setLayout(new BorderLayout());
GLCanvas canvas = new GLCanvas();
canvas.addGLEventListener(this);
this.getContentPane().add(canvas, BorderLayout.CENTER);
this.setSize(_width, _height);
this.generateTexts();
final Animator animator = new Animator(canvas);
this.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
new Thread(new Runnable() {
public void run() {
animator.stop();
System.exit(0);
}
}).start();
}
});
this.setVisible(true);
animator.start();
}
public void generateTexts() {
texts = new String[NB_TEXT];
coords = new int[NB_TEXT][3];
for (int i = 0; i < NB_TEXT; i++) {
texts[i] = randomText(TEXT_LENGTH);
coords[i][0] = (int) (_width * Math.random());
coords[i][1] = (int) (_height * Math.random());
coords[i][2] = (int) (360 * Math.random());
}
}
public String randomText(int length) {
String res = "";
while (res.length() < length)
res += Long.toString(Math.abs(new Random().nextLong()), 36);
return res.substring(0, length);
}
public void init(GLAutoDrawable drawable) {
renderer = new TextRenderer(new Font("Arial", Font.PLAIN, 12), true,
true);
GL gl = drawable.getGL();
gl.glMatrixMode(GL.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluOrtho2D(0, drawable.getWidth(), 0, drawable.getHeight());
gl.glMatrixMode(GL.GL_MODELVIEW);
gl.glLoadIdentity();
}
public void display(GLAutoDrawable drawable) {
GL gl = drawable.getGL();
gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
renderer.beginRendering(drawable.getWidth(), drawable.getHeight());
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
renderer.setColor(Color.BLUE);
gl.glMatrixMode(GL.GL_MODELVIEW);
for (int i = 0; i < NB_TEXT; i++) {
gl.glLoadIdentity();
gl.glTranslatef(coords[i][0],coords[i][1],0);
gl.glRotatef(coords[i][2], 0, 0, 1);
renderer.draw(texts[i], 0, 0);
}
renderer.endRendering();
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width,
int height) {
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
boolean deviceChanged) {
}
public static void main(String[] args) {
final testText app = new testText();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
app.setVisible(true);
}
});
}
} |
