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package demos.es1;
import java.nio.*;
import javax.media.opengl.*;
import javax.media.opengl.util.*;
import javax.media.opengl.glu.*;
import com.sun.javafx.newt.*;
public class RedSquare implements MouseListener {
public boolean quit = false;
public boolean toggleFS = false;
public void mouseClicked(MouseEvent e) {
switch(e.getClickCount()) {
case 1:
toggleFS=true;
break;
default:
quit=true;
break;
}
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
public void mouseDragged(MouseEvent e) {
}
public static void main(String[] args) {
System.out.println("RedSquare.main()");
GLProfile.setProfileGL2ES1();
try {
Display display = NewtFactory.createDisplay(null); // local display
Screen screen = NewtFactory.createScreen(display, 0); // screen 0
Window window = NewtFactory.createWindow(screen, 0); // dummy VisualID
RedSquare ml = new RedSquare();
window.addMouseListener(ml);
// Size OpenGL to Video Surface
int width = 800;
int height = 480;
window.setSize(width, height);
window.setFullscreen(true);
// Hook this into EGL
GLDrawableFactory factory = GLDrawableFactory.getFactory(window);
GLCapabilities caps = new GLCapabilities();
// For emulation library, use 16 bpp
caps.setRedBits(5);
caps.setGreenBits(6);
caps.setBlueBits(5);
caps.setDepthBits(16);
GLDrawable drawable = factory.createGLDrawable(window, caps, null);
window.setVisible(true);
drawable.setRealized(true);
GLContext context = drawable.createContext(null);
context.makeCurrent();
GL2ES1 gl = context.getGL().getGL2ES1();
GLU glu = GLU.createGLU(gl);
//----------------------------------------------------------------------
// Code for GLEventListener.init()
//
System.out.println("Entering initialization");
System.out.println("GL_VERSION=" + gl.glGetString(GL2ES1.GL_VERSION));
System.out.println("GL_EXTENSIONS:");
System.out.println(" " + gl.glGetString(GL2ES1.GL_EXTENSIONS));
// Allocate vertex arrays
FloatBuffer colors = BufferUtil.newFloatBuffer(16);
FloatBuffer vertices = BufferUtil.newFloatBuffer(12);
// Fill them up
colors.put( 0, 1); colors.put( 1, 0); colors.put( 2, 0); colors.put( 3, 1);
colors.put( 4, 1); colors.put( 5, 0); colors.put( 6, 0); colors.put( 7, 1);
colors.put( 8, 1); colors.put( 9, 0); colors.put(10, 0); colors.put(11, 1);
colors.put(12, 1); colors.put(13, 0); colors.put(14, 0); colors.put(15, 1);
vertices.put(0, -2); vertices.put( 1, 2); vertices.put( 2, 0);
vertices.put(3, 2); vertices.put( 4, 2); vertices.put( 5, 0);
vertices.put(6, -2); vertices.put( 7, -2); vertices.put( 8, 0);
vertices.put(9, 2); vertices.put(10, -2); vertices.put(11, 0);
gl.glEnableClientState(GL2ES1.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL2ES1.GL_FLOAT, 0, vertices);
gl.glEnableClientState(GL2ES1.GL_COLOR_ARRAY);
gl.glColorPointer(4, GL2ES1.GL_FLOAT, 0, colors);
// OpenGL Render Settings
gl.glClearColor(0, 0, 0, 1);
gl.glEnable(GL2ES1.GL_DEPTH_TEST);
//----------------------------------------------------------------------
// Code for GLEventListener.display()
//
long startTime = System.currentTimeMillis();
long curTime;
while (!ml.quit && ((curTime = System.currentTimeMillis()) - startTime) < 20000) {
gl.glClear(GL2ES1.GL_COLOR_BUFFER_BIT | GL2ES1.GL_DEPTH_BUFFER_BIT);
// Set location in front of camera
width = window.getWidth();
height = window.getHeight();
gl.glViewport(0, 0, width, height);
gl.glMatrixMode(GL2ES1.GL_PROJECTION);
gl.glLoadIdentity();
glu.gluPerspective(45.0f, (float)width / (float)height, 1.0f, 100.0f);
gl.glMatrixMode(GL2ES1.GL_MODELVIEW);
gl.glLoadIdentity();
gl.glTranslatef(0, 0, -10);
// One rotation every four seconds
float ang = (((float) (curTime - startTime)) * 360.0f) / 4000.0f;
gl.glRotatef(ang, 0, 0, 1);
// Draw a square
gl.glDrawArrays(GL2ES1.GL_TRIANGLE_STRIP, 0, 4);
drawable.swapBuffers();
if(ml.toggleFS) {
window.setFullscreen(!window.isFullscreen());
ml.toggleFS=false;
}
window.pumpMessages();
}
// Shut things down cooperatively
context.release();
context.destroy();
drawable.destroy();
factory.shutdown();
System.out.println("RedSquare shut down cleanly.");
} catch (Throwable t) {
t.printStackTrace();
}
System.exit(0);
}
}
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