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Diffstat (limited to 'progs/redbook/accanti.c')
| -rw-r--r-- | progs/redbook/accanti.c | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/progs/redbook/accanti.c b/progs/redbook/accanti.c deleted file mode 100644 index d1b2567841..0000000000 --- a/progs/redbook/accanti.c +++ /dev/null @@ -1,182 +0,0 @@ - -/* Copyright (c) Mark J. Kilgard, 1994. */ - -/* - * (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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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. - */ -/* accanti.c - */ -#include <stdlib.h> -#include <GL/glut.h> -#include "jitter.h" - -/* Initialize lighting and other values. - */ -static void myinit(void) -{ - GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 1.0 }; - GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 }; - GLfloat light_position[] = { 0.0, 0.0, 10.0, 1.0 }; - GLfloat lm_ambient[] = { 0.2, 0.2, 0.2, 1.0 }; - - glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient); - glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); - glMaterialf(GL_FRONT, GL_SHININESS, 50.0); - glLightfv(GL_LIGHT0, GL_POSITION, light_position); - glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient); - - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glDepthFunc(GL_LESS); - glEnable(GL_DEPTH_TEST); - glShadeModel (GL_FLAT); - - glClearColor(0.0, 0.0, 0.0, 0.0); - glClearAccum(0.0, 0.0, 0.0, 0.0); -} - -static void displayObjects(void) -{ - GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 }; - GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 }; - GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 }; - GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 }; - - glPushMatrix (); - glRotatef (30.0, 1.0, 0.0, 0.0); - - glPushMatrix (); - glTranslatef (-0.80, 0.35, 0.0); - glRotatef (100.0, 1.0, 0.0, 0.0); - glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse); - glutSolidTorus (0.275, 0.85, 16, 16); - glPopMatrix (); - - glPushMatrix (); - glTranslatef (-0.75, -0.50, 0.0); - glRotatef (45.0, 0.0, 0.0, 1.0); - glRotatef (45.0, 1.0, 0.0, 0.0); - glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse); - glutSolidCube (1.5); - glPopMatrix (); - - glPushMatrix (); - glTranslatef (0.75, 0.60, 0.0); - glRotatef (30.0, 1.0, 0.0, 0.0); - glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse); - glutSolidSphere (1.0, 16, 16); - glPopMatrix (); - - glPushMatrix (); - glTranslatef (0.70, -0.90, 0.25); - glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse); - glutSolidOctahedron (); - glPopMatrix (); - - glPopMatrix (); -} - -#define ACSIZE 8 - -static void display(void) -{ - GLint viewport[4]; - int jitter; - - glGetIntegerv (GL_VIEWPORT, viewport); - - glClear(GL_ACCUM_BUFFER_BIT); - for (jitter = 0; jitter < ACSIZE; jitter++) { - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - 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. - */ - glTranslatef (j8[jitter].x*4.5/viewport[2], - j8[jitter].y*4.5/viewport[3], 0.0); - displayObjects (); - glPopMatrix (); - glAccum(GL_ACCUM, 1.0/ACSIZE); - } - glAccum (GL_RETURN, 1.0); - glFlush(); -} - -static void myReshape(int w, int h) -{ - glViewport(0, 0, w, h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - if (w <= h) - glOrtho (-2.25, 2.25, -2.25*h/w, 2.25*h/w, -10.0, 10.0); - else - glOrtho (-2.25*w/h, 2.25*w/h, -2.25, 2.25, -10.0, 10.0); - glMatrixMode(GL_MODELVIEW); -} - -static void -key(unsigned char k, int x, int y) -{ - switch (k) { - case 27: /* Escape */ - exit(0); - break; - default: - return; - } - glutPostRedisplay(); -} - -/* Main Loop - * Open window with initial window size, title bar, - * RGBA display mode, and handle input events. - */ -int main(int argc, char** argv) -{ - glutInit(&argc, argv); - glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB - | GLUT_ACCUM | GLUT_DEPTH); - glutInitWindowSize (250, 250); - glutCreateWindow (argv[0]); - myinit(); - glutReshapeFunc (myReshape); - glutDisplayFunc(display); - glutKeyboardFunc(key); - glutMainLoop(); - return 0; /* ANSI C requires main to return int. */ -} |