1/*
2 * Copyright (c) 1993-1997, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 * Permission to use, copy, modify, and distribute this software for
5 * any purpose and without fee is hereby granted, provided that the above
6 * copyright notice appear in all copies and that both the copyright notice
7 * and this permission notice appear in supporting documentation, and that
8 * the name of Silicon Graphics, Inc. not be used in advertising
9 * or publicity pertaining to distribution of the software without specific,
10 * written prior permission.
11 *
12 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
13 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
14 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
15 * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
16 * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
17 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
18 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
19 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
20 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
21 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
22 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
23 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
24 *
25 * US Government Users Restricted Rights
26 * Use, duplication, or disclosure by the Government is subject to
27 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
28 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
29 * clause at DFARS 252.227-7013 and/or in similar or successor
30 * clauses in the FAR or the DOD or NASA FAR Supplement.
31 * Unpublished-- rights reserved under the copyright laws of the
32 * United States.  Contractor/manufacturer is Silicon Graphics,
33 * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
34 *
35 * OpenGL(R) is a registered trademark of Silicon Graphics, Inc.
36 */
37
38/*
39 *  quadric.c
40 *  This program demonstrates the use of some of the gluQuadric*
41 *  routines. Quadric objects are created with some quadric
42 *  properties and the callback routine to handle errors.
43 *  Note that the cylinder has no top or bottom and the circle
44 *  has a hole in it.
45 */
46#include "glut_wrap.h"
47#include <stdio.h>
48#include <stdlib.h>
49
50GLuint startList;
51
52static void GLAPIENTRY errorCallback(GLenum errorCode)
53{
54   const GLubyte *estring;
55
56   estring = gluErrorString(errorCode);
57   fprintf(stderr, "Quadric Error: %s\n", estring);
58   exit(0);
59}
60
61static void init(void)
62{
63   GLUquadricObj *qobj;
64   GLfloat mat_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
65   GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
66   GLfloat mat_shininess[] = { 50.0 };
67   GLfloat light_position[] = { 1.0, 1.0, 1.0, 0.0 };
68   GLfloat model_ambient[] = { 0.5, 0.5, 0.5, 1.0 };
69
70   glClearColor(0.0, 0.0, 0.0, 0.0);
71
72   glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
73   glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
74   glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
75   glLightfv(GL_LIGHT0, GL_POSITION, light_position);
76   glLightModelfv(GL_LIGHT_MODEL_AMBIENT, model_ambient);
77
78   glEnable(GL_LIGHTING);
79   glEnable(GL_LIGHT0);
80   glEnable(GL_DEPTH_TEST);
81
82/*  Create 4 display lists, each with a different quadric object.
83 *  Different drawing styles and surface normal specifications
84 *  are demonstrated.
85 */
86   startList = glGenLists(4);
87   qobj = gluNewQuadric();
88   gluQuadricCallback(qobj, GLU_ERROR, errorCallback);
89
90   gluQuadricDrawStyle(qobj, GLU_FILL); /* smooth shaded */
91   gluQuadricNormals(qobj, GLU_SMOOTH);
92   glNewList(startList, GL_COMPILE);
93      gluSphere(qobj, 0.75, 15, 10);
94   glEndList();
95
96   gluQuadricDrawStyle(qobj, GLU_FILL); /* flat shaded */
97   gluQuadricNormals(qobj, GLU_FLAT);
98   glNewList(startList+1, GL_COMPILE);
99      gluCylinder(qobj, 0.5, 0.3, 1.0, 15, 5);
100   glEndList();
101
102   gluQuadricDrawStyle(qobj, GLU_LINE); /* all polygons wireframe */
103   gluQuadricNormals(qobj, GLU_NONE);
104   glNewList(startList+2, GL_COMPILE);
105      gluDisk(qobj, 0.25, 1.0, 20, 4);
106   glEndList();
107
108   gluQuadricDrawStyle(qobj, GLU_SILHOUETTE); /* boundary only  */
109   gluQuadricNormals(qobj, GLU_NONE);
110   glNewList(startList+3, GL_COMPILE);
111      gluPartialDisk(qobj, 0.0, 1.0, 20, 4, 0.0, 225.0);
112   glEndList();
113
114   gluDeleteQuadric(qobj);
115}
116
117static void display(void)
118{
119   glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
120   glPushMatrix();
121
122   glEnable(GL_LIGHTING);
123   glShadeModel (GL_SMOOTH);
124   glTranslatef(-1.0, -1.0, 0.0);
125   glCallList(startList);
126
127   glShadeModel (GL_FLAT);
128   glTranslatef(0.0, 2.0, 0.0);
129   glPushMatrix();
130   glRotatef(300.0, 1.0, 0.0, 0.0);
131   glCallList(startList+1);
132   glPopMatrix();
133
134   glDisable(GL_LIGHTING);
135   glColor3f(0.0, 1.0, 1.0);
136   glTranslatef(2.0, -2.0, 0.0);
137   glCallList(startList+2);
138
139   glColor3f(1.0, 1.0, 0.0);
140   glTranslatef(0.0, 2.0, 0.0);
141   glCallList(startList+3);
142
143   glPopMatrix();
144   glFlush();
145}
146
147static void reshape (int w, int h)
148{
149   glViewport(0, 0, (GLsizei) w, (GLsizei) h);
150   glMatrixMode(GL_PROJECTION);
151   glLoadIdentity();
152   if (w <= h)
153      glOrtho(-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
154         2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
155   else
156      glOrtho(-2.5*(GLfloat)w/(GLfloat)h,
157         2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
158   glMatrixMode(GL_MODELVIEW);
159   glLoadIdentity();
160}
161
162/* ARGSUSED1 */
163static void keyboard(unsigned char key, int x, int y)
164{
165   switch (key) {
166      case 27:
167         exit(0);
168         break;
169   }
170}
171
172int main(int argc, char** argv)
173{
174   glutInit(&argc, argv);
175   glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB | GLUT_DEPTH);
176   glutInitWindowSize(500, 500);
177   glutInitWindowPosition(100, 100);
178   glutCreateWindow(argv[0]);
179   init();
180   glutDisplayFunc(display);
181   glutReshapeFunc(reshape);
182   glutKeyboardFunc(keyboard);
183   glutMainLoop();
184   return 0;
185}
186