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package glredbook11;
import glredbook10.GLSkeleton;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.media.opengl.*;
import javax.media.opengl.awt.GLJPanel;
import javax.media.opengl.glu.GLU;
import javax.swing.JFrame;
/**
*
* @author Kiet Le (Java port) Ported to JOGL 2.x by Claudio Eduardo Goes
*/
public class aargb//
extends GLSkeleton<GLJPanel>
implements GLEventListener, KeyListener {
private float rotAngle = 0f;
private boolean rotate = false;
@Override
protected GLJPanel createDrawable() {
GLCapabilities caps = new GLCapabilities(null);
caps.setNumSamples(2);
caps.setSampleBuffers(true);
//
GLJPanel panel = new GLJPanel(caps);
panel.addGLEventListener(this);
panel.addKeyListener(this);
return panel;
}
public static void main(String[] args) {
aargb demo = new aargb();
JFrame.setDefaultLookAndFeelDecorated(true);
JFrame frame = new JFrame("aargb");
frame.setSize(512, 512);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(demo.drawable);
frame.setVisible(true);
demo.drawable.requestFocusInWindow();
}
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
float values[] = new float[2];
gl.glGetFloatv(GL2.GL_LINE_WIDTH_GRANULARITY, values, 0);
System.out
.println("GL.GL_LINE_WIDTH_GRANULARITY value is " + values[0]);
gl.glGetFloatv(GL2.GL_LINE_WIDTH_RANGE, values, 0);
System.out.println("GL.GL_LINE_WIDTH_RANGE values are " + values[0]
+ ", " + values[1]);
gl.glEnable(GL2.GL_LINE_SMOOTH);
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL2.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);
gl.glHint(GL2.GL_LINE_SMOOTH_HINT, GL.GL_DONT_CARE);
gl.glLineWidth(1.5f);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glColor3f(0.0f, 1.0f, 0.0f);
gl.glPushMatrix();
gl.glRotatef(-rotAngle, 0.0f, 0.0f, 0.1f);
gl.glBegin(GL.GL_LINES);
gl.glVertex2f(-0.5f, 0.5f);
gl.glVertex2f(0.5f, -0.5f);
gl.glEnd();
gl.glPopMatrix();
gl.glColor3f(0.0f, 0.0f, 1.0f);
gl.glPushMatrix();
gl.glRotatef(rotAngle, 0.0f, 0.0f, 0.1f);
gl.glBegin(GL.GL_LINES);
gl.glVertex2f(0.5f, 0.5f);
gl.glVertex2f(-0.5f, -0.5f);
gl.glEnd();
gl.glPopMatrix();
gl.glFlush();
if (rotate)
rotAngle += 1f;
if (rotAngle >= 360f)
rotAngle = 0f;
}
public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
GL2 gl = drawable.getGL().getGL2();
GLU glu = new GLU();
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
if (w <= h) //
glu.gluOrtho2D(-1.0, 1.0, -1.0 * (float) h / (float) w, //
1.0 * (float) h / (float) w);
else
glu.gluOrtho2D(-1.0 * (float) w / (float) h, //
1.0 * (float) w / (float) h, -1.0, 1.0);
gl.glMatrixMode(GL2.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:
System.exit(0);
case KeyEvent.VK_R:
rotate = !rotate;
super.refresh();
default:
break;
}
}
public void keyReleased(KeyEvent key) {
}
public void dispose(GLAutoDrawable arg0) {
}
}
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