1 files changed, 189 insertions, 0 deletions
diff --git a/progs/redbook/quadric.c b/progs/redbook/quadric.c
new file mode 100644
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+++ b/progs/redbook/quadric.c
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+/*
+ * 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+ * Unpublished-- rights reserved under the copyright laws of the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;
+}