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/**
* @(#) accanti.java
* @(#) author: Silicon Graphics, Inc. (converted to Java by Sven Goethel)
*/
/*
* This program demonstrates lots of material properties.
* A single light source illuminates the objects.
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
import java.lang.*;
import java.util.*;
import java.io.*;
import java.util.*;
import gl4java.GLContext;
import gl4java.awt.GLCanvas;
import gl4java.utils.glut.*;
public class accanti extends Applet
{
accantiCanvas canvas = null;
/* Initialize the applet */
public void init()
{
Dimension d = getSize();
setLayout(new BorderLayout());
canvas = new accantiCanvas(d.width, d.height);
add("Center", canvas);
}
/* Start the applet */
public void start()
{
}
/* Stop the applet */
public void stop()
{
}
public static void main( String args[] ) {
GLContext.gljNativeDebug = true;
GLContext.gljClassDebug = true;
accanti applet =
new accanti();
Frame f = new Frame("accanti");
f.addWindowListener( new WindowAdapter()
{
public void windowClosed(WindowEvent e)
{
System.exit(0);
}
public void windowClosing(WindowEvent e)
{
windowClosed(e);
}
}
);
f.setLayout(new BorderLayout());
f.add("Center", applet);
applet.setSize(500,300);
applet.init();
applet.start();
Dimension ps = applet.getPreferredSize();
f.setBounds(-100,-100,99,99);
f.setVisible(true);
f.setVisible(false);
f.setVisible(true);
Insets i = f.getInsets();
f.setBounds(0,0,
ps.width+i.left+i.right,
ps.height+i.top+i.bottom);
f.setVisible(true);
}
/* Local GLCanvas extension class */
private class accantiCanvas extends GLCanvas
{
int teapotList;
GLUTFunc glut = null;
public accantiCanvas(int w, int h)
{
super(w, h);
}
public void preInit()
{
doubleBuffer = true;
stereoView = false;
accumSize = 8;
}
boolean hasAccumulatorBits = false;
public void init()
{
int aRbits[] = { 0 };
int aGbits[] = { 0 };
int aBbits[] = { 0 };
int aAbits[] = { 0 };
glut = new GLUTFuncLightImpl(gl, glu);
reshape(getSize().width, getSize().height);
float mat_ambient[] = { 1.0f, 1.0f, 1.0f, 1.0f };
float mat_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
float light_position[] = { 0.0f, 0.0f, 10.0f, 1.0f };
float lm_ambient[] = { 0.2f, 0.2f, 0.2f, 1.0f };
gl.glGetIntegerv(GL_ACCUM_RED_BITS, aRbits);
gl.glGetIntegerv(GL_ACCUM_GREEN_BITS, aGbits);
gl.glGetIntegerv(GL_ACCUM_BLUE_BITS, aBbits);
gl.glGetIntegerv(GL_ACCUM_ALPHA_BITS, aAbits);
System.out.println("Accumulation Buffer Bits:");
System.out.println("\t red: "+aRbits[0]);
System.out.println("\t green: "+aGbits[0]);
System.out.println("\t blue: "+aBbits[0]);
System.out.println("\t alpha: "+aAbits[0]);
hasAccumulatorBits = aRbits[0] > 0 || aGbits[0] > 0 ||
aBbits[0] > 0 || aAbits[0] > 0 ;
System.out.println("Has Accumulator Bits: "+hasAccumulatorBits);
gl.glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
gl.glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
gl.glMaterialf(GL_FRONT, GL_SHININESS, 50.0f);
gl.glLightfv(GL_LIGHT0, GL_POSITION, light_position);
gl.glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
gl.glEnable(GL_LIGHTING);
gl.glEnable(GL_LIGHT0);
gl.glDepthFunc(GL_LESS);
gl.glEnable(GL_DEPTH_TEST);
gl.glShadeModel (GL_FLAT);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearAccum(0.0f, 0.0f, 0.0f, 0.0f);
}
void displayObjects()
{
float torus_diffuse[] = { 0.7f, 0.7f, 0.0f, 1.0f };
float cube_diffuse[] = { 0.0f, 0.7f, 0.7f, 1.0f };
float sphere_diffuse[] = { 0.7f, 0.0f, 0.7f, 1.0f };
float octa_diffuse[] = { 0.7f, 0.4f, 0.4f, 1.0f };
gl.glPushMatrix ();
gl.glRotatef (30.0f, 1.0f, 0.0f, 0.0f);
gl.glPushMatrix ();
gl.glTranslatef (-0.80f, 0.35f, 0.0f);
gl.glRotatef (100.0f, 1.0f, 0.0f, 0.0f);
gl.glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
glut.glutSolidTorus (0.275f, 0.85f, 16, 16);
gl.glPopMatrix ();
gl.glPushMatrix ();
gl.glTranslatef (-0.75f, -0.50f, 0.0f);
gl.glRotatef (45.0f, 0.0f, 0.0f, 1.0f);
gl.glRotatef (45.0f, 1.0f, 0.0f, 0.0f);
gl.glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
glut.glutSolidCube (1.5f);
gl.glPopMatrix ();
gl.glPushMatrix ();
gl.glTranslatef (0.75f, 0.60f, 0.0f);
gl.glRotatef (30.0f, 1.0f, 0.0f, 0.0f);
gl.glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
glut.glutSolidSphere (1.0f, 16, 16);
gl.glPopMatrix ();
gl.glPushMatrix ();
gl.glTranslatef (0.70f, -0.90f, 0.25f);
gl.glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
glut.glutSolidOctahedron ();
gl.glPopMatrix ();
gl.glPopMatrix ();
}
public void display()
{
int viewport[]=new int[4];
int jitter;
int ACSIZE=8;
if (glj.gljMakeCurrent() == false) return;
gl.glGetIntegerv (GL_VIEWPORT, viewport);
glj.gljCheckGL();
if(hasAccumulatorBits)
gl.glClear(GL_ACCUM_BUFFER_BIT);
glj.gljCheckGL();
for (jitter = 0; jitter < ACSIZE; jitter++) {
gl.glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
gl.glPushMatrix ();
/* Note that 4.5f is the distance in world space between
* left and right and bottom and top.
* This formula converts fractional pixel movement to
* world coordinates.
*/
gl.glTranslatef (/*j8[jitter].x**/4.5f/viewport[2],
/*j8[jitter].y**/4.5f/viewport[3], 0.0f);
displayObjects ();
gl.glPopMatrix ();
if(hasAccumulatorBits)
gl.glAccum(GL_ACCUM, 1.0f/(float)ACSIZE);
glj.gljCheckGL();
}
if(hasAccumulatorBits)
gl.glAccum (GL_RETURN, 1.0f);
glj.gljCheckGL();
glj.gljSwap();
glj.gljCheckGL();
glj.gljFree();
}
public void reshape(int w, int h)
{
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL_PROJECTION);
gl.glLoadIdentity();
if (w <= h)
gl.glOrtho (-2.25f, 2.25f, -2.25f*h/w, 2.25f*h/w, -10.0f, 10.0f);
else
gl.glOrtho (-2.25f*w/h, 2.25f*w/h, -2.25f, 2.25f, -10.0f, 10.0f);
gl.glMatrixMode(GL_MODELVIEW);
}
}
}
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