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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+ * Unpublished-- rights reserved under the copyright laws of the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.
+ */
+
+/*
+ * lines.c
+ * This program demonstrates geometric primitives and
+ * their attributes.
+ */
+#include <GL/glut.h>
+#include <stdlib.h>
+
+#define drawOneLine(x1,y1,x2,y2) glBegin(GL_LINES); \
+ glVertex2f ((x1),(y1)); glVertex2f ((x2),(y2)); glEnd();
+
+void init(void)
+{
+ glClearColor (0.0, 0.0, 0.0, 0.0);
+ glShadeModel (GL_FLAT);
+}
+
+void display(void)
+{
+ int i;
+
+ glClear (GL_COLOR_BUFFER_BIT);
+
+/* select white for all lines */
+ glColor3f (1.0, 1.0, 1.0);
+
+/* in 1st row, 3 lines, each with a different stipple */
+ glEnable (GL_LINE_STIPPLE);
+
+ glLineStipple (1, 0x0101); /* dotted */
+ drawOneLine (50.0, 125.0, 150.0, 125.0);
+ glLineStipple (1, 0x00FF); /* dashed */
+ drawOneLine (150.0, 125.0, 250.0, 125.0);
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ drawOneLine (250.0, 125.0, 350.0, 125.0);
+
+/* in 2nd row, 3 wide lines, each with different stipple */
+ glLineWidth (5.0);
+ glLineStipple (1, 0x0101); /* dotted */
+ drawOneLine (50.0, 100.0, 150.0, 100.0);
+ glLineStipple (1, 0x00FF); /* dashed */
+ drawOneLine (150.0, 100.0, 250.0, 100.0);
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ drawOneLine (250.0, 100.0, 350.0, 100.0);
+ glLineWidth (1.0);
+
+/* in 3rd row, 6 lines, with dash/dot/dash stipple */
+/* as part of a single connected line strip */
+ glLineStipple (1, 0x1C47); /* dash/dot/dash */
+ glBegin (GL_LINE_STRIP);
+ for (i = 0; i < 7; i++)
+ glVertex2f (50.0 + ((GLfloat) i * 50.0), 75.0);
+ glEnd ();
+
+/* in 4th row, 6 independent lines with same stipple */
+ for (i = 0; i < 6; i++) {
+ drawOneLine (50.0 + ((GLfloat) i * 50.0), 50.0,
+ 50.0 + ((GLfloat)(i+1) * 50.0), 50.0);
+ }
+
+/* in 5th row, 1 line, with dash/dot/dash stipple */
+/* and a stipple repeat factor of 5 */
+ glLineStipple (5, 0x1C47); /* dash/dot/dash */
+ drawOneLine (50.0, 25.0, 350.0, 25.0);
+
+ glDisable (GL_LINE_STIPPLE);
+ glFlush ();
+}
+
+void reshape (int w, int h)
+{
+ glViewport (0, 0, (GLsizei) w, (GLsizei) h);
+ glMatrixMode (GL_PROJECTION);
+ glLoadIdentity ();
+ gluOrtho2D (0.0, (GLdouble) w, 0.0, (GLdouble) h);
+}
+
+/* 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);
+ glutInitWindowSize (400, 150);
+ glutInitWindowPosition (100, 100);
+ glutCreateWindow (argv[0]);
+ init ();
+ glutDisplayFunc(display);
+ glutReshapeFunc(reshape);
+ glutKeyboardFunc(keyboard);
+ glutMainLoop();
+ return 0;
+}