From afb833d4e89c312460a4ab9ed6a7a8ca4ebbfe1c Mon Sep 17 00:00:00 2001
From: jtg <jtg>
Date: Thu, 19 Aug 1999 00:55:39 +0000
Subject: Initial revision

---
 progs/redbook/hello.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 progs/redbook/hello.c

(limited to 'progs/redbook/hello.c')

diff --git a/progs/redbook/hello.c b/progs/redbook/hello.c
new file mode 100644
index 0000000000..516c9ecc00
--- /dev/null
+++ b/progs/redbook/hello.c
@@ -0,0 +1,95 @@
+/*
+ * 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+ * Unpublished-- rights reserved under the copyright laws of the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.
+ */
+
+/*
+ * hello.c
+ * This is a simple, introductory OpenGL program.
+ */
+#include <GL/glut.h>
+
+void display(void)
+{
+/* clear all pixels  */
+   glClear (GL_COLOR_BUFFER_BIT);
+
+/* draw white polygon (rectangle) with corners at
+ * (0.25, 0.25, 0.0) and (0.75, 0.75, 0.0)  
+ */
+   glColor3f (1.0, 1.0, 1.0);
+   glBegin(GL_POLYGON);
+      glVertex3f (0.25, 0.25, 0.0);
+      glVertex3f (0.75, 0.25, 0.0);
+      glVertex3f (0.75, 0.75, 0.0);
+      glVertex3f (0.25, 0.75, 0.0);
+   glEnd();
+
+/* don't wait!  
+ * start processing buffered OpenGL routines 
+ */
+   glFlush ();
+}
+
+void init (void) 
+{
+/* select clearing color 	*/
+   glClearColor (0.0, 0.0, 0.0, 0.0);
+
+/* initialize viewing values  */
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
+}
+
+/* 
+ * Declare initial window size, position, and display mode
+ * (single buffer and RGBA).  Open window with "hello"
+ * in its title bar.  Call initialization routines.
+ * Register callback function to display graphics.
+ * Enter main loop and process events.
+ */
+int main(int argc, char** argv)
+{
+   glutInit(&argc, argv);
+   glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
+   glutInitWindowSize (250, 250); 
+   glutInitWindowPosition (100, 100);
+   glutCreateWindow ("hello");
+   init ();
+   glutDisplayFunc(display); 
+   glutMainLoop();
+   return 0;   /* ANSI C requires main to return int. */
+}
-- 
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