diff options
Diffstat (limited to 'progs/redbook/stencil.c')
| -rw-r--r-- | progs/redbook/stencil.c | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/progs/redbook/stencil.c b/progs/redbook/stencil.c index 958cf85c8e..5626d55be6 100644 --- a/progs/redbook/stencil.c +++ b/progs/redbook/stencil.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 @@ -38,9 +38,9 @@ * OpenGL(TM) is a trademark of Silicon Graphics, Inc. */ /* stencil.c - * This program draws two rotated tori in a window. - * A diamond in the center of the window masks out part - * of the scene. Within this mask, a different model + * This program draws two rotated tori in a window. + * A diamond in the center of the window masks out part + * of the scene. Within this mask, a different model * (a sphere) is drawn in a different color. */ #include <stdlib.h> @@ -49,7 +49,7 @@ #define YELLOWMAT 1 #define BLUEMAT 2 -void myinit (void) +void myinit (void) { GLfloat yellow_diffuse[] = { 0.7, 0.7, 0.0, 1.0 }; GLfloat yellow_specular[] = { 1.0, 1.0, 1.0, 1.0 }; @@ -112,7 +112,7 @@ void display(void) glFlush(); } -/* Whenever the window is reshaped, redefine the +/* Whenever the window is reshaped, redefine the * coordinate system and redraw the stencil area. */ void myReshape(int w, int h) @@ -144,8 +144,21 @@ void myReshape(int w, int h) glTranslatef(0.0, 0.0, -5.0); } +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) @@ -157,6 +170,7 @@ int main(int argc, char** argv) myinit (); glutReshapeFunc (myReshape); glutDisplayFunc(display); + glutKeyboardFunc(key); glutMainLoop(); return 0; /* ANSI C requires main to return int. */ } |