package glredbook10;
import com.sun.opengl.util.gl2.GLUT;
import java.awt.event.*;
import javax.swing.*;
import javax.media.opengl.*;
import javax.media.opengl.awt.GLJPanel;
/**
* Use the accumulation buffer to do full-scene antialiasing on a scene with
* orthographic parallel projection.
*
* @author Kiet Le (Java port) Ported to JOGL 2.x by Claudio Eduardo Goes
*/
public class accanti
extends GLSkeleton<GLJPanel>
implements GLEventListener, KeyListener {
private GLUT glut;
private static final int ACSIZE = 8;
@Override
protected GLJPanel createDrawable() {
GLCapabilities caps = new GLCapabilities(null);
caps.setAccumBlueBits(16);
caps.setAccumGreenBits(16);
caps.setAccumRedBits(16);
//
GLJPanel canvas = new GLJPanel(caps);
canvas.addGLEventListener(this);
canvas.addKeyListener(this);
return canvas;
}
public static void main(String[] args) {
accanti demo = new accanti();
JFrame.setDefaultLookAndFeelDecorated(true);
JFrame frame = new JFrame("accanti");
frame.getContentPane().add(demo.drawable);
frame.setSize(250, 250);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
demo.drawable.requestFocusInWindow();
}
/*
* Initialize lighting and other values.
*/
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
glut = new GLUT();
//
float mat_ambient[] = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
float mat_specular[] = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
float light_position[] = new float[] { 0.0f, 0.0f, 10.0f, 1.0f };
float lm_ambient[] = new float[] { 0.2f, 0.2f, 0.2f, 1.0f };
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_AMBIENT, mat_ambient, 0);
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_SPECULAR, mat_specular, 0);
gl.glMaterialf(GL.GL_FRONT, GL2.GL_SHININESS, 50.0f);
gl.glLightfv(GL2.GL_LIGHT0, GL2.GL_POSITION, light_position, 0);
gl.glLightModelfv(GL2.GL_LIGHT_MODEL_AMBIENT, lm_ambient, 0);
gl.glEnable(GL2.GL_LIGHTING);
gl.glEnable(GL2.GL_LIGHT0);
gl.glEnable(GL.GL_DEPTH_TEST);
gl.glShadeModel(GL2.GL_FLAT);
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClearAccum(0.0f, 0.0f, 0.0f, 0.0f);
}
public void display(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2();
//
int viewport[] = new int[4];
int jitter;
gl.glGetIntegerv(GL.GL_VIEWPORT, viewport, 0);
gl.glClear(GL2.GL_ACCUM_BUFFER_BIT);
for (jitter = 0; jitter < ACSIZE; jitter++) {
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glPushMatrix();
/*
* Note that 4.5 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);
gl.glPopMatrix();
gl.glAccum(GL2.GL_ACCUM, 1.0f / ACSIZE);
}
gl.glAccum(GL2.GL_RETURN, 1.0f);
gl.glFlush();
}
public void reshape(GLAutoDrawable drawable, int x, int y, int w, int h) {
GL2 gl = drawable.getGL().getGL2();
//
gl.glViewport(0, 0, w, h);
gl.glMatrixMode(GL2.GL_PROJECTION);
gl.glLoadIdentity();
if (w <= h)
gl.glOrtho(-2.25, 2.25, -2.25 * h / w, 2.25 * h / w, -10.0, 10.0);
else
gl.glOrtho(-2.25 * w / h, 2.25 * w / h, -2.25, 2.25, -10.0, 10.0);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
boolean deviceChanged) {
}
public void dispose(GLAutoDrawable arg0) {
}
public void displayObjects(GL2 gl) {
float torus_diffuse[] = new float[] { 0.7f, 0.7f, 0.0f, 1.0f };
float cube_diffuse[] = new float[] { 0.0f, 0.7f, 0.7f, 1.0f };
float sphere_diffuse[] = new float[] { 0.7f, 0.0f, 0.7f, 1.0f };
float octa_diffuse[] = new float[] { 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.GL_FRONT, GL2.GL_DIFFUSE, torus_diffuse, 0);
glut.glutSolidTorus(0.275, 0.85, 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.GL_FRONT, GL2.GL_DIFFUSE, cube_diffuse, 0);
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.GL_FRONT, GL2.GL_DIFFUSE, sphere_diffuse, 0);
glut.glutSolidSphere(1.0, 16, 16);
gl.glPopMatrix();
gl.glPushMatrix();
gl.glTranslatef(0.70f, -0.90f, 0.25f);
gl.glMaterialfv(GL.GL_FRONT, GL2.GL_DIFFUSE, octa_diffuse, 0);
glut.glutSolidOctahedron();
gl.glPopMatrix();
gl.glPopMatrix();
}
public void keyTyped(KeyEvent key) {
// TODO Auto-generated method stub
}
public void keyPressed(KeyEvent key) {
switch (key.getKeyCode()) {
case KeyEvent.VK_ESCAPE:
System.exit(0);
break;
default:
break;
}
}
public void keyReleased(KeyEvent key) {
// TODO Auto-generated method stub
}
/* 2 jitter points */
jitter_point j2[] = { new jitter_point(0.246490f, 0.249999f),
new jitter_point(-0.246490f, -0.249999f) };
/* 3 jitter points */
jitter_point j3[] = { new jitter_point(-0.373411, -0.250550),//
new jitter_point(0.256263, 0.368119), //
new jitter_point(0.117148, -0.117570) };
/* 4 jitter points */
jitter_point j4[] = { new jitter_point(-0.208147, 0.353730),
new jitter_point(0.203849, -0.353780),
new jitter_point(-0.292626, -0.149945),
new jitter_point(0.296924, 0.149994) };
/* 8 jitter points */
jitter_point j8[] = { new jitter_point(-0.334818, 0.435331),
new jitter_point(0.286438, -0.393495),
new jitter_point(0.459462, 0.141540),
new jitter_point(-0.414498, -0.192829),
new jitter_point(-0.183790, 0.082102),
new jitter_point(-0.079263, -0.317383),
new jitter_point(0.102254, 0.299133),
new jitter_point(0.164216, -0.054399) };
/* 15 jitter points */
jitter_point j15[] = { new jitter_point(0.285561, 0.188437),
new jitter_point(0.360176, -0.065688),
new jitter_point(-0.111751, 0.275019),
new jitter_point(-0.055918, -0.215197),
new jitter_point(-0.080231, -0.470965),
new jitter_point(0.138721, 0.409168),
new jitter_point(0.384120, 0.458500),
new jitter_point(-0.454968, 0.134088),
new jitter_point(0.179271, -0.331196),
new jitter_point(-0.307049, -0.364927),
new jitter_point(0.105354, -0.010099),
new jitter_point(-0.154180, 0.021794),
new jitter_point(-0.370135, -0.116425),
new jitter_point(0.451636, -0.300013),
new jitter_point(-0.370610, 0.387504) };
/* 24 jitter points */
jitter_point j24[] = { new jitter_point(0.030245, 0.136384),
new jitter_point(0.018865, -0.348867),
new jitter_point(-0.350114, -0.472309),
new jitter_point(0.222181, 0.149524),
new jitter_point(-0.393670, -0.266873),
new jitter_point(0.404568, 0.230436),
new jitter_point(0.098381, 0.465337),
new jitter_point(0.462671, 0.442116),
new jitter_point(0.400373, -0.212720),
new jitter_point(-0.409988, 0.263345),
new jitter_point(-0.115878, -0.001981),
new jitter_point(0.348425, -0.009237),
new jitter_point(-0.464016, 0.066467),
new jitter_point(-0.138674, -0.468006),
new jitter_point(0.144932, -0.022780),
new jitter_point(-0.250195, 0.150161),
new jitter_point(-0.181400, -0.264219),
new jitter_point(0.196097, -0.234139),
new jitter_point(-0.311082, -0.078815),
new jitter_point(0.268379, 0.366778),
new jitter_point(-0.040601, 0.327109),
new jitter_point(-0.234392, 0.354659),
new jitter_point(-0.003102, -0.154402),
new jitter_point(0.297997, -0.417965) };
/* 66 jitter points */
jitter_point j66[] = { new jitter_point(0.266377, -0.218171),
new jitter_point(-0.170919, -0.429368),
new jitter_point(0.047356, -0.387135),
new jitter_point(-0.430063, 0.363413),
new jitter_point(-0.221638, -0.313768),
new jitter_point(0.124758, -0.197109),
new jitter_point(-0.400021, 0.482195),
new jitter_point(0.247882, 0.152010),
new jitter_point(-0.286709, -0.470214),
new jitter_point(-0.426790, 0.004977),
new jitter_point(-0.361249, -0.104549),
new jitter_point(-0.040643, 0.123453),
new jitter_point(-0.189296, 0.438963),
new jitter_point(-0.453521, -0.299889),
new jitter_point(0.408216, -0.457699),
new jitter_point(0.328973, -0.101914),
new jitter_point(-0.055540, -0.477952),
new jitter_point(0.194421, 0.453510), //
new jitter_point(0.404051, 0.224974), //
new jitter_point(0.310136, 0.419700),
new jitter_point(-0.021743, 0.403898),
new jitter_point(-0.466210, 0.248839),
new jitter_point(0.341369, 0.081490),
new jitter_point(0.124156, -0.016859),
new jitter_point(-0.461321, -0.176661),
new jitter_point(0.013210, 0.234401),
new jitter_point(0.174258, -0.311854),
new jitter_point(0.294061, 0.263364),
new jitter_point(-0.114836, 0.328189),
new jitter_point(0.041206, -0.106205),
new jitter_point(0.079227, 0.345021),
new jitter_point(-0.109319, -0.242380),
new jitter_point(0.425005, -0.332397),
new jitter_point(0.009146, 0.015098),
new jitter_point(-0.339084, -0.355707),
new jitter_point(-0.224596, -0.189548),
new jitter_point(0.083475, 0.117028),
new jitter_point(0.295962, -0.334699),
new jitter_point(0.452998, 0.025397),
new jitter_point(0.206511, -0.104668),
new jitter_point(0.447544, -0.096004),
new jitter_point(-0.108006, -0.002471),
new jitter_point(-0.380810, 0.130036),
new jitter_point(-0.242440, 0.186934),
new jitter_point(-0.200363, 0.070863),
new jitter_point(-0.344844, -0.230814),
new jitter_point(0.408660, 0.345826),
new jitter_point(-0.233016, 0.305203),
new jitter_point(0.158475, -0.430762),
new jitter_point(0.486972, 0.139163),
new jitter_point(-0.301610, 0.009319),
new jitter_point(0.282245, -0.458671),
new jitter_point(0.482046, 0.443890),
new jitter_point(-0.121527, 0.210223),
new jitter_point(-0.477606, -0.424878),
new jitter_point(-0.083941, -0.121440),
new jitter_point(-0.345773, 0.253779),
new jitter_point(0.234646, 0.034549),
new jitter_point(0.394102, -0.210901),
new jitter_point(-0.312571, 0.397656),
new jitter_point(0.200906, 0.333293),
new jitter_point(0.018703, -0.261792),
new jitter_point(-0.209349, -0.065383),
new jitter_point(0.076248, 0.478538),
new jitter_point(-0.073036, -0.355064),
new jitter_point(0.145087, 0.221726) };
class jitter_point {
private static final int MAX_SAMPLES = 66;
float x, y;
public jitter_point(double x, double y) {
this.x = (float) x;
this.y = (float) y;
}
}
public void setIdle(boolean isidle) {
}
}
/*
* For the software in this directory (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED Permission to use, copy, modify, and distribute this
* software for any purpose and without fee is hereby granted, provided that the
* above copyright notice appear in all copies and that both the copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of Silicon Graphics, Inc. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" AND WITHOUT
* WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT
* LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
* PURPOSE. IN NO EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE
* ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES
* OF ANY KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, LOSS OF
* PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES,
* WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF
* SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR
* IN CONNECTION WITH THE POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* US Government Users Restricted Rights Use, duplication, or disclosure by the
* Government is subject to restrictions set forth in FAR 52.227.19(c)(2) or
* subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor clauses in the
* FAR or the DOD or NASA FAR Supplement. Unpublished-- rights reserved under
* the copyright laws of the United States. Contractor/manufacturer is Silicon
* Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/