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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+ * Unpublished-- rights reserved under the copyright laws of the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;
+}