diff options
Diffstat (limited to 'progs/redbook/checker.c')
| -rw-r--r-- | progs/redbook/checker.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/progs/redbook/checker.c b/progs/redbook/checker.c index 34853b0c6e..4b7695237f 100644 --- a/progs/redbook/checker.c +++ b/progs/redbook/checker.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 @@ -52,10 +52,10 @@ GLubyte checkImage[checkImageWidth][checkImageHeight][3]; void makeCheckImage(void) { int i, j, c; - + for (i = 0; i < checkImageWidth; i++) { for (j = 0; j < checkImageHeight; j++) { - c = ((((i&0x8)==0)^((j&0x8))==0))*255; + c = ((((i&0x8)==0)^((j&0x8)==0)))*255; checkImage[i][j][0] = (GLubyte) c; checkImage[i][j][1] = (GLubyte) c; checkImage[i][j][2] = (GLubyte) c; @@ -64,15 +64,15 @@ void makeCheckImage(void) } void myinit(void) -{ +{ glClearColor (0.0, 0.0, 0.0, 0.0); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LESS); makeCheckImage(); glPixelStorei(GL_UNPACK_ALIGNMENT, 1); - glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth, - checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, + glTexImage2D(GL_TEXTURE_2D, 0, 3, checkImageWidth, + checkImageHeight, 0, GL_RGB, GL_UNSIGNED_BYTE, &checkImage[0][0][0]); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); @@ -111,6 +111,19 @@ void myReshape(int w, int h) glTranslatef(0.0, 0.0, -3.6); } +static void +key(unsigned char k, int x, int y) +{ + switch (k) { + case 27: /* Escape */ + exit(0); + break; + default: + return; + } + glutPostRedisplay(); +} + int main(int argc, char** argv) { @@ -120,6 +133,7 @@ main(int argc, char** argv) myinit(); glutReshapeFunc (myReshape); glutDisplayFunc(display); + glutKeyboardFunc(key); glutMainLoop(); return 0; /* ANSI C requires main to return int. */ } |