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-rw-r--r--progs/redbook/anti.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/progs/redbook/anti.c b/progs/redbook/anti.c
index 12aa5f8a215..9eab0bc3511 100644
--- a/progs/redbook/anti.c
+++ b/progs/redbook/anti.c
@@ -3,14 +3,14 @@
/*
* (c) Copyright 1993, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
+ * 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
+ * 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.
+ * 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,
@@ -24,8 +24,8 @@
* 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
+ *
+ * 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
@@ -45,8 +45,8 @@
#include <stdio.h>
#include <GL/glut.h>
-/* Initialize antialiasing for RGBA mode, including alpha
- * blending, hint, and line width. Print out implementation
+/* Initialize antialiasing for RGBA mode, including alpha
+ * blending, hint, and line width. Print out implementation
* specific info on line width granularity and width.
*/
void myinit(void)
@@ -56,7 +56,7 @@ void myinit(void)
printf ("GL_LINE_WIDTH_GRANULARITY value is %3.1f\n", values[0]);
glGetFloatv (GL_LINE_WIDTH_RANGE, values);
- printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
+ printf ("GL_LINE_WIDTH_RANGE values are %3.1f %3.1f\n",
values[0], values[1]);
glEnable (GL_LINE_SMOOTH);
@@ -93,8 +93,21 @@ void myReshape(int w, int h)
glTranslatef (0.0, 0.0, -4.0); /* move object into view */
}
+static void
+key(unsigned char k, int x, int y)
+{
+ switch (k) {
+ case 27: /* Escape */
+ exit(0);
+ break;
+ default:
+ return;
+ }
+ glutPostRedisplay();
+}
+
/* Main Loop
- * Open window with initial window size, title bar,
+ * Open window with initial window size, title bar,
* RGBA display mode, and handle input events.
*/
int main(int argc, char** argv)
@@ -105,7 +118,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
+ glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}
-