| /* |
| * Copyright (c) 1993-1997, 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| * Unpublished-- rights reserved under the copyright laws of the |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(R) is a registered trademark of Silicon Graphics, Inc. |
| */ |
| |
| /* |
| * quadric.c |
| * This program demonstrates the use of some of the gluQuadric* |
| * routines. Quadric objects are created with some quadric |
| * properties and the callback routine to handle errors. |
| * Note that the cylinder has no top or bottom and the circle |
| * has a hole in it. |
| */ |
| #include <GL/glut.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| /* Win32 calling conventions. */ |
| #ifndef CALLBACK |
| #define CALLBACK |
| #endif |
| |
| GLuint startList; |
| |
| void CALLBACK errorCallback(GLenum errorCode) |
| { |
| const GLubyte *estring; |
| |
| estring = gluErrorString(errorCode); |
| fprintf(stderr, "Quadric Error: %s\n", estring); |
| exit(0); |
| } |
| |
| void init(void) |
| { |
| GLUquadricObj *qobj; |
| GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 }; |
| GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 }; |
| GLfloat mat_shininess[] = { 50.0 }; |
| GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 }; |
| GLfloat model_ambient[] = { 0.5, 0.5, 0.5, 1.0 }; |
| |
| glClearColor(0.0, 0.0, 0.0, 0.0); |
| |
| glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient); |
| glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); |
| glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); |
| glLightfv(GL_LIGHT0, GL_POSITION, light_position); |
| glLightModelfv(GL_LIGHT_MODEL_AMBIENT, model_ambient); |
| |
| glEnable(GL_LIGHTING); |
| glEnable(GL_LIGHT0); |
| glEnable(GL_DEPTH_TEST); |
| |
| /* Create 4 display lists, each with a different quadric object. |
| * Different drawing styles and surface normal specifications |
| * are demonstrated. |
| */ |
| startList = glGenLists(4); |
| qobj = gluNewQuadric(); |
| gluQuadricCallback(qobj, GLU_ERROR, |
| (GLvoid (CALLBACK*) ()) errorCallback); |
| |
| gluQuadricDrawStyle(qobj, GLU_FILL); /* smooth shaded */ |
| gluQuadricNormals(qobj, GLU_SMOOTH); |
| glNewList(startList, GL_COMPILE); |
| gluSphere(qobj, 0.75, 15, 10); |
| glEndList(); |
| |
| gluQuadricDrawStyle(qobj, GLU_FILL); /* flat shaded */ |
| gluQuadricNormals(qobj, GLU_FLAT); |
| glNewList(startList+1, GL_COMPILE); |
| gluCylinder(qobj, 0.5, 0.3, 1.0, 15, 5); |
| glEndList(); |
| |
| gluQuadricDrawStyle(qobj, GLU_LINE); /* all polygons wireframe */ |
| gluQuadricNormals(qobj, GLU_NONE); |
| glNewList(startList+2, GL_COMPILE); |
| gluDisk(qobj, 0.25, 1.0, 20, 4); |
| glEndList(); |
| |
| gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); /* boundary only */ |
| gluQuadricNormals(qobj, GLU_NONE); |
| glNewList(startList+3, GL_COMPILE); |
| gluPartialDisk(qobj, 0.0, 1.0, 20, 4, 0.0, 225.0); |
| glEndList(); |
| } |
| |
| void display(void) |
| { |
| glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
| glPushMatrix(); |
| |
| glEnable(GL_LIGHTING); |
| glShadeModel (GL_SMOOTH); |
| glTranslatef(-1.0, -1.0, 0.0); |
| glCallList(startList); |
| |
| glShadeModel (GL_FLAT); |
| glTranslatef(0.0, 2.0, 0.0); |
| glPushMatrix(); |
| glRotatef(300.0, 1.0, 0.0, 0.0); |
| glCallList(startList+1); |
| glPopMatrix(); |
| |
| glDisable(GL_LIGHTING); |
| glColor3f(0.0, 1.0, 1.0); |
| glTranslatef(2.0, -2.0, 0.0); |
| glCallList(startList+2); |
| |
| glColor3f(1.0, 1.0, 0.0); |
| glTranslatef(0.0, 2.0, 0.0); |
| glCallList(startList+3); |
| |
| glPopMatrix(); |
| glFlush(); |
| } |
| |
| void reshape (int w, int h) |
| { |
| glViewport(0, 0, (GLsizei) w, (GLsizei) h); |
| glMatrixMode(GL_PROJECTION); |
| glLoadIdentity(); |
| if (w <= h) |
| glOrtho(-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w, |
| 2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0); |
| else |
| glOrtho(-2.5*(GLfloat)w/(GLfloat)h, |
| 2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0); |
| glMatrixMode(GL_MODELVIEW); |
| glLoadIdentity(); |
| } |
| |
| /* ARGSUSED1 */ |
| void keyboard(unsigned char key, int x, int y) |
| { |
| switch (key) { |
| case 27: |
| exit(0); |
| break; |
| } |
| } |
| |
| int main(int argc, char** argv) |
| { |
| glutInit(&argc, argv); |
| glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH); |
| glutInitWindowSize(500, 500); |
| glutInitWindowPosition(100, 100); |
| glutCreateWindow(argv[0]); |
| init(); |
| glutDisplayFunc(display); |
| glutReshapeFunc(reshape); |
| glutKeyboardFunc(keyboard); |
| glutMainLoop(); |
| return 0; |
| } |