Initial revision

1 files changed, 125 insertions, 0 deletions

diff --git a/progs/redbook/list.c b/progs/redbook/list.c
new file mode 100644
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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+ * Unpublished-- rights reserved under the copyright laws of the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.
+ */
+
+/*
+ *  list.c
+ *  This program demonstrates how to make and execute a 
+ *  display list.  Note that attributes, such as current 
+ *  color and matrix, are changed.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+GLuint listName;
+
+static void init (void)
+{
+   listName = glGenLists (1);
+   glNewList (listName, GL_COMPILE);
+      glColor3f (1.0, 0.0, 0.0);  /*  current color red  */
+      glBegin (GL_TRIANGLES);
+      glVertex2f (0.0, 0.0);
+      glVertex2f (1.0, 0.0);
+      glVertex2f (0.0, 1.0);
+      glEnd ();
+      glTranslatef (1.5, 0.0, 0.0); /*  move position  */
+   glEndList ();
+   glShadeModel (GL_FLAT);
+}
+
+static void drawLine (void)
+{
+   glBegin (GL_LINES);
+   glVertex2f (0.0, 0.5);
+   glVertex2f (15.0, 0.5);
+   glEnd ();
+}
+
+void display(void)
+{
+   GLuint i;
+
+   glClear (GL_COLOR_BUFFER_BIT);
+   glColor3f (0.0, 1.0, 0.0);  /*  current color green  */
+   for (i = 0; i < 10; i++)    /*  draw 10 triangles    */
+      glCallList (listName);
+   drawLine ();  /*  is this line green?  NO!  */
+                 /*  where is the line drawn?  */
+   glFlush ();
+}
+
+void reshape(int w, int h)
+{
+   glViewport(0, 0, w, h);
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   if (w <= h) 
+      gluOrtho2D (0.0, 2.0, -0.5 * (GLfloat) h/(GLfloat) w, 
+         1.5 * (GLfloat) h/(GLfloat) w);
+   else 
+      gluOrtho2D (0.0, 2.0 * (GLfloat) w/(GLfloat) h, -0.5, 1.5); 
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+}
+
+/* ARGSUSED1 */
+void keyboard(unsigned char key, int x, int y)
+{
+   switch (key) {
+      case 27:
+         exit(0);
+         break;
+   }
+}
+
+/*  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);
+   glutInitWindowSize(650, 50);
+   glutCreateWindow(argv[0]);
+   init ();
+   glutReshapeFunc (reshape);
+   glutDisplayFunc (display);
+   glutKeyboardFunc (keyboard);
+   glutMainLoop();
+   return 0;
+}