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Added ESC key handling

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This commit is contained in:
Ted Jump 1999-09-17 02:40:51 +00:00
parent 74783e9936
commit 83c02efa52
30 changed files with 799 additions and 414 deletions
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17
progs/demos/renormal.c
View file

@ -1,4 +1,4 @@
/* $Id: renormal.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
/* $Id: renormal.c,v 1.2 1999/09/17 02:40:51 tjump Exp $ */
/*
* Test GL_EXT_rescale_normal extension
@ -6,7 +6,7 @@
*/
/*
* $Id: renormal.c,v 1.1 1999/08/19 00:55:40 jtg Exp $
* $Id: renormal.c,v 1.2 1999/09/17 02:40:51 tjump Exp $
*/
@ -95,6 +95,18 @@ static void ModeMenu(int entry)
glutPostRedisplay();
}
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[] )
{
@ -110,6 +122,7 @@ int main( int argc, char *argv[] )
glutIdleFunc( Idle );
glutReshapeFunc( Reshape );
glutDisplayFunc( Display );
glutKeyboardFunc(key);
glutCreateMenu(ModeMenu);
glutAddMenuEntry("Unscaled", UNSCALED);

48
progs/redbook/accanti.c
View file

@ -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
@ -57,7 +57,7 @@ void myinit(void)
glMaterialf(GL_FRONT, GL_SHININESS, 50.0);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lm_ambient);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
@ -68,25 +68,25 @@ void myinit(void)
glClearAccum(0.0, 0.0, 0.0, 0.0);
}
void displayObjects(void)
void displayObjects(void)
{
GLfloat torus_diffuse[] = { 0.7, 0.7, 0.0, 1.0 };
GLfloat cube_diffuse[] = { 0.0, 0.7, 0.7, 1.0 };
GLfloat sphere_diffuse[] = { 0.7, 0.0, 0.7, 1.0 };
GLfloat octa_diffuse[] = { 0.7, 0.4, 0.4, 1.0 };
glPushMatrix ();
glRotatef (30.0, 1.0, 0.0, 0.0);
glPushMatrix ();
glTranslatef (-0.80, 0.35, 0.0);
glTranslatef (-0.80, 0.35, 0.0);
glRotatef (100.0, 1.0, 0.0, 0.0);
glMaterialfv(GL_FRONT, GL_DIFFUSE, torus_diffuse);
glutSolidTorus (0.275, 0.85, 16, 16);
glPopMatrix ();
glPushMatrix ();
glTranslatef (-0.75, -0.50, 0.0);
glTranslatef (-0.75, -0.50, 0.0);
glRotatef (45.0, 0.0, 0.0, 1.0);
glRotatef (45.0, 1.0, 0.0, 0.0);
glMaterialfv(GL_FRONT, GL_DIFFUSE, cube_diffuse);
@ -94,14 +94,14 @@ void displayObjects(void)
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.75, 0.60, 0.0);
glTranslatef (0.75, 0.60, 0.0);
glRotatef (30.0, 1.0, 0.0, 0.0);
glMaterialfv(GL_FRONT, GL_DIFFUSE, sphere_diffuse);
glutSolidSphere (1.0, 16, 16);
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.70, -0.90, 0.25);
glTranslatef (0.70, -0.90, 0.25);
glMaterialfv(GL_FRONT, GL_DIFFUSE, octa_diffuse);
glutSolidOctahedron ();
glPopMatrix ();
@ -124,7 +124,7 @@ void display(void)
glPushMatrix ();
/* Note that 4.5 is the distance in world space between
* left and right and bottom and top.
* This formula converts fractional pixel movement to
* This formula converts fractional pixel movement to
* world coordinates.
*/
glTranslatef (j8[jitter].x*4.5/viewport[2],
@ -142,15 +142,28 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
if (w <= h)
glOrtho (-2.25, 2.25, -2.25*h/w, 2.25*h/w, -10.0, 10.0);
else
else
glOrtho (-2.25*w/h, 2.25*w/h, -2.25, 2.25, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
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)
@ -163,6 +176,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

35
progs/redbook/anti.c
View file

@ -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. */
}

36
progs/redbook/bezmesh.c
View file

@ -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
@ -68,7 +68,7 @@ GLfloat ctrlpoints[4][4][3] =
{1.5, 1.5, -1.0}}
};
void
void
initlights(void)
{
GLfloat ambient[] =
@ -93,7 +93,7 @@ initlights(void)
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
}
void
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -104,7 +104,7 @@ display(void)
glFlush();
}
void
void
myinit(void)
{
glClearColor(0.0, 0.0, 0.0, 1.0);
@ -118,7 +118,7 @@ myinit(void)
initlights(); /* for lighted version only */
}
void
void
myReshape(int w, int h)
{
glViewport(0, 0, w, h);
@ -134,7 +134,20 @@ myReshape(int w, int h)
glLoadIdentity();
}
int
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)
{
glutInit(&argc, argv);
@ -143,6 +156,7 @@ main(int argc, char **argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

36
progs/redbook/checker.c
View file

@ -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. */
}

29
progs/redbook/depthcue.c
View file

@ -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
@ -39,7 +39,7 @@
*/
/*
* depthcue.c
* This program draws a wireframe model, which uses
* This program draws a wireframe model, which uses
* intensity (brightness) to give clues to distance.
* Fog is used to achieve this effect.
*/
@ -86,6 +86,19 @@ 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
*/
int main(int argc, char** argv)
@ -96,7 +109,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

91
progs/redbook/dof.c
View file

@ -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
@ -55,35 +55,35 @@
/* accFrustum()
* The first 6 arguments are identical to the glFrustum() call.
*
* pixdx and pixdy are anti-alias jitter in pixels.
*
* pixdx and pixdy are anti-alias jitter in pixels.
* Set both equal to 0.0 for no anti-alias jitter.
* eyedx and eyedy are depth-of field jitter in pixels.
* eyedx and eyedy are depth-of field jitter in pixels.
* Set both equal to 0.0 for no depth of field effects.
*
* focus is distance from eye to plane in focus.
* focus is distance from eye to plane in focus.
* focus must be greater than, but not equal to 0.0.
*
* Note that accFrustum() calls glTranslatef(). You will
* probably want to insure that your ModelView matrix has been
* Note that accFrustum() calls glTranslatef(). You will
* probably want to insure that your ModelView matrix has been
* initialized to identity before calling accFrustum().
*/
void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
GLdouble top, GLdouble nnear, GLdouble ffar, GLdouble pixdx,
GLdouble pixdy, GLdouble eyedx, GLdouble eyedy, GLdouble focus)
{
GLdouble xwsize, ywsize;
GLdouble xwsize, ywsize;
GLdouble dx, dy;
GLint viewport[4];
glGetIntegerv (GL_VIEWPORT, viewport);
xwsize = right - left;
ywsize = top - bottom;
dx = -(pixdx*xwsize/(GLdouble) viewport[2] + eyedx*nnear/focus);
dy = -(pixdy*ywsize/(GLdouble) viewport[3] + eyedy*nnear/focus);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum (left + dx, right + dx, bottom + dy, top + dy, nnear, ffar);
@ -93,20 +93,20 @@ void accFrustum(GLdouble left, GLdouble right, GLdouble bottom,
}
/* accPerspective()
*
*
* The first 4 arguments are identical to the gluPerspective() call.
* pixdx and pixdy are anti-alias jitter in pixels.
* pixdx and pixdy are anti-alias jitter in pixels.
* Set both equal to 0.0 for no anti-alias jitter.
* eyedx and eyedy are depth-of field jitter in pixels.
* eyedx and eyedy are depth-of field jitter in pixels.
* Set both equal to 0.0 for no depth of field effects.
*
* focus is distance from eye to plane in focus.
* focus is distance from eye to plane in focus.
* focus must be greater than, but not equal to 0.0.
*
* Note that accPerspective() calls accFrustum().
*/
void accPerspective(GLdouble fovy, GLdouble aspect,
GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
void accPerspective(GLdouble fovy, GLdouble aspect,
GLdouble nnear, GLdouble ffar, GLdouble pixdx, GLdouble pixdy,
GLdouble eyedx, GLdouble eyedy, GLdouble focus)
{
GLdouble fov2,left,right,bottom,top;
@ -128,7 +128,7 @@ void myinit(void)
GLfloat ambient[] = { 0.0, 0.0, 0.0, 1.0 };
GLfloat diffuse[] = { 1.0, 1.0, 1.0, 1.0 };
GLfloat position[] = { 0.0, 3.0, 3.0, 0.0 };
GLfloat lmodel_ambient[] = { 0.2, 0.2, 0.2, 1.0 };
GLfloat local_view[] = { 0.0 };
@ -138,7 +138,7 @@ void myinit(void)
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glLightfv(GL_LIGHT0, GL_POSITION, position);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view);
@ -155,18 +155,18 @@ void myinit(void)
glClearAccum(0.0, 0.0, 0.0, 0.0);
}
void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
GLfloat ambr, GLfloat ambg, GLfloat ambb,
GLfloat difr, GLfloat difg, GLfloat difb,
void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
GLfloat ambr, GLfloat ambg, GLfloat ambb,
GLfloat difr, GLfloat difg, GLfloat difb,
GLfloat specr, GLfloat specg, GLfloat specb, GLfloat shine)
{
float mat[4];
glPushMatrix();
glTranslatef (x, y, z);
mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0;
mat[0] = ambr; mat[1] = ambg; mat[2] = ambb; mat[3] = 1.0;
glMaterialfv (GL_FRONT, GL_AMBIENT, mat);
mat[0] = difr; mat[1] = difg; mat[2] = difb;
mat[0] = difr; mat[1] = difg; mat[2] = difb;
glMaterialfv (GL_FRONT, GL_DIFFUSE, mat);
mat[0] = specr; mat[1] = specg; mat[2] = specb;
glMaterialfv (GL_FRONT, GL_SPECULAR, mat);
@ -175,9 +175,9 @@ void renderTeapot (GLfloat x, GLfloat y, GLfloat z,
glPopMatrix();
}
/* display() draws 5 teapots into the accumulation buffer
/* display() draws 5 teapots into the accumulation buffer
* several times; each time with a jittered perspective.
* The focal point is at z = 5.0, so the gold teapot will
* The focal point is at z = 5.0, so the gold teapot will
* stay in focus. The amount of jitter is adjusted by the
* magnitude of the accPerspective() jitter; in this example, 0.33.
* In this example, the teapots are drawn 8 times. See jitter.h
@ -192,8 +192,8 @@ void display(void)
for (jitter = 0; jitter < 8; jitter++) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
accPerspective (45.0,
(GLdouble) viewport[2]/(GLdouble) viewport[3],
accPerspective (45.0,
(GLdouble) viewport[2]/(GLdouble) viewport[3],
1.0, 15.0, 0.0, 0.0,
0.33*j8[jitter].x, 0.33*j8[jitter].y, 5.0);
/* ruby, gold, silver, emerald, and cyan teapots */
@ -203,9 +203,9 @@ void display(void)
0.75164, 0.60648, 0.22648, 0.628281, 0.555802, 0.366065, 0.4);
renderTeapot (0.2, -0.5, -5.5, 0.19225, 0.19225, 0.19225,
0.50754, 0.50754, 0.50754, 0.508273, 0.508273, 0.508273, 0.4);
renderTeapot (1.0, -0.5, -6.0, 0.0215, 0.1745, 0.0215,
renderTeapot (1.0, -0.5, -6.0, 0.0215, 0.1745, 0.0215,
0.07568, 0.61424, 0.07568, 0.633, 0.727811, 0.633, 0.6);
renderTeapot (1.8, -0.5, -6.5, 0.0, 0.1, 0.06, 0.0, 0.50980392,
renderTeapot (1.8, -0.5, -6.5, 0.0, 0.1, 0.06, 0.0, 0.50980392,
0.50980392, 0.50196078, 0.50196078, 0.50196078, .25);
glAccum (GL_ACCUM, 0.125);
}
@ -219,8 +219,21 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
}
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, depth buffer, and handle input events.
*/
int main(int argc, char** argv)
@ -232,7 +245,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

40
progs/redbook/double.c
View file

@ -1,13 +1,13 @@
/*
* Copyright (c) 1993-1997, 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,
@ -21,8 +21,8 @@
* 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
@ -66,7 +66,7 @@ void spinDisplay(void)
glutPostRedisplay();
}
void init(void)
void init(void)
{
glClearColor (0.0, 0.0, 0.0, 0.0);
glShadeModel (GL_FLAT);
@ -83,7 +83,7 @@ void reshape(int w, int h)
}
/* ARGSUSED2 */
void mouse(int button, int state, int x, int y)
void mouse(int button, int state, int x, int y)
{
switch (button) {
case GLUT_LEFT_BUTTON:
@ -98,8 +98,21 @@ void mouse(int button, int state, int x, int y)
break;
}
}
/*
static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27: /* Escape */
exit(0);
break;
default:
return;
}
glutPostRedisplay();
}
/*
* Request double buffer display mode.
* Register mouse input callback functions
*/
@ -107,13 +120,14 @@ int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize (250, 250);
glutInitWindowSize (250, 250);
glutInitWindowPosition (100, 100);
glutCreateWindow (argv[0]);
init ();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutMouseFunc(mouse);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

52
progs/redbook/fog.c
View file

@ -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
@ -39,11 +39,11 @@
*/
/*
* fog.c
* This program draws 5 red teapots, each at a different
* z distance from the eye, in different types of fog.
* Pressing the left mouse button chooses between 3 types of
* fog: exponential, exponential squared, and linear.
* In this program, there is a fixed density value, as well
* This program draws 5 red teapots, each at a different
* z distance from the eye, in different types of fog.
* Pressing the left mouse button chooses between 3 types of
* fog: exponential, exponential squared, and linear.
* In this program, there is a fixed density value, as well
* as fixed start and end values for the linear fog.
*/
#include <stdlib.h>
@ -52,7 +52,7 @@
GLint fogMode;
void
void
selectFog(int mode)
{
switch(mode) {
@ -70,10 +70,10 @@ selectFog(int mode)
}
}
/* Initialize z-buffer, projection matrix, light source,
/* Initialize z-buffer, projection matrix, light source,
* and lighting model. Do not specify a material property here.
*/
void
void
myinit(void)
{
GLfloat position[] =
@ -106,7 +106,7 @@ myinit(void)
}
}
void
void
renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
{
float mat[4];
@ -133,7 +133,7 @@ renderRedTeapot(GLfloat x, GLfloat y, GLfloat z)
/* display() draws 5 teapots at different z positions.
*/
void
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -145,7 +145,7 @@ display(void)
glFlush();
}
void
void
myReshape(int w, int h)
{
glViewport(0, 0, w, h);
@ -161,11 +161,24 @@ myReshape(int w, int h)
glLoadIdentity();
}
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, depth buffer, and handle input events.
*/
int
int
main(int argc, char **argv)
{
glutInit(&argc, argv);
@ -181,6 +194,7 @@ main(int argc, char **argv)
glutAddMenuEntry("Fog LINEAR", GL_LINEAR);
glutAddMenuEntry("Quit", 0);
glutAttachMenu(GLUT_RIGHT_BUTTON);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

44
progs/redbook/fogindex.c
View file

@ -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
@ -39,21 +39,21 @@
*/
/*
* fogindex.c
* This program demonstrates fog in color index mode.
* Three cones are drawn at different z values in a linear
* fog. 32 contiguous colors (from 16 to 47) are loaded
* This program demonstrates fog in color index mode.
* Three cones are drawn at different z values in a linear
* fog. 32 contiguous colors (from 16 to 47) are loaded
* with a color ramp.
*/
#include <stdlib.h>
#include <GL/glut.h>
/* Initialize color map and fog. Set screen clear color
/* Initialize color map and fog. Set screen clear color
* to end of color ramp.
*/
#define NUM_COLORS 32
#define RAMPSTART 16
void
void
myinit(void)
{
int i;
@ -77,7 +77,7 @@ myinit(void)
/* display() renders 3 cones at different z positions.
*/
void
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -104,7 +104,7 @@ display(void)
glFlush();
}
void
void
myReshape(int w, int h)
{
glViewport(0, 0, w, h);
@ -120,11 +120,24 @@ myReshape(int w, int h)
glLoadIdentity();
}
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, depth buffer, and handle input events.
*/
int
int
main(int argc, char **argv)
{
glutInit(&argc, argv);
@ -133,6 +146,7 @@ main(int argc, char **argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

40
progs/redbook/hello.c
View file

@ -1,13 +1,13 @@
/*
* Copyright (c) 1993-1997, 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,
@ -21,8 +21,8 @@
* 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
@ -47,7 +47,7 @@ void display(void)
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)
* (0.25, 0.25, 0.0) and (0.75, 0.75, 0.0)
*/
glColor3f (1.0, 1.0, 1.0);
glBegin(GL_POLYGON);
@ -57,13 +57,13 @@ void display(void)
glVertex3f (0.25, 0.75, 0.0);
glEnd();
/* don't wait!
* start processing buffered OpenGL routines
/* don't wait!
* start processing buffered OpenGL routines
*/
glFlush ();
}
void init (void)
void init (void)
{
/* select clearing color */
glClearColor (0.0, 0.0, 0.0, 0.0);
@ -74,7 +74,20 @@ void init (void)
glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
}
/*
static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27: /* Escape */
exit(0);
break;
default:
return;
}
glutPostRedisplay();
}
/*
* Declare initial window size, position, and display mode
* (single buffer and RGBA). Open window with "hello"
* in its title bar. Call initialization routines.
@ -85,11 +98,12 @@ int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize (250, 250);
glutInitWindowSize (250, 250);
glutInitWindowPosition (100, 100);
glutCreateWindow ("hello");
init ();
glutDisplayFunc(display);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

43
progs/redbook/material.c
View file

@ -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
@ -46,7 +46,7 @@
#include <stdlib.h>
#include <GL/glut.h>
/* Initialize z-buffer, projection matrix, light source,
/* Initialize z-buffer, projection matrix, light source,
* and lighting model. Do not specify a material property here.
*/
void myinit(void)
@ -72,7 +72,7 @@ void myinit(void)
glClearColor(0.0, 0.1, 0.1, 0.0);
}
/* Draw twelve spheres in 3 rows with 4 columns.
/* Draw twelve spheres in 3 rows with 4 columns.
* The spheres in the first row have materials with no ambient reflection.
* The second row has materials with significant ambient reflection.
* The third row has materials with colored ambient reflection.
@ -102,7 +102,7 @@ void display(void)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* draw sphere in first row, first column
* diffuse reflection only; no ambient or specular
* diffuse reflection only; no ambient or specular
*/
glPushMatrix();
glTranslatef (-3.75, 3.0, 0.0);
@ -154,7 +154,7 @@ void display(void)
glPopMatrix();
/* draw sphere in second row, first column
* ambient and diffuse reflection; no specular
* ambient and diffuse reflection; no specular
*/
glPushMatrix();
glTranslatef (-3.75, 0.0, 0.0);
@ -206,7 +206,7 @@ void display(void)
glPopMatrix();
/* draw sphere in third row, first column
* colored ambient and diffuse reflection; no specular
* colored ambient and diffuse reflection; no specular
*/
glPushMatrix();
glTranslatef (-3.75, -3.0, 0.0);
@ -266,16 +266,29 @@ void myReshape(int w, int h)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= (h * 2))
glOrtho (-6.0, 6.0, -3.0*((GLfloat)h*2)/(GLfloat)w,
glOrtho (-6.0, 6.0, -3.0*((GLfloat)h*2)/(GLfloat)w,
3.0*((GLfloat)h*2)/(GLfloat)w, -10.0, 10.0);
else
glOrtho (-6.0*(GLfloat)w/((GLfloat)h*2),
glOrtho (-6.0*(GLfloat)w/((GLfloat)h*2),
6.0*(GLfloat)w/((GLfloat)h*2), -3.0, 3.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
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)
@ -287,7 +300,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

33
progs/redbook/mipmap.c
View file

@ -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
@ -57,7 +57,7 @@ GLubyte mipmapImage1[1][1][3];
void makeImages(void)
{
int i, j;
for (i = 0; i < 32; i++) {
for (j = 0; j < 32; j++) {
mipmapImage32[i][j][0] = 255;
@ -99,7 +99,7 @@ void makeImages(void)
}
void myinit(void)
{
{
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_FLAT);
@ -122,7 +122,7 @@ void myinit(void)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST_MIPMAP_NEAREST);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glEnable(GL_TEXTURE_2D);
@ -150,6 +150,19 @@ void myReshape(int w, int h)
glLoadIdentity();
}
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)
{
glutInit(&argc, argv);
@ -159,7 +172,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

38
progs/redbook/nurbs.c
View file

@ -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
@ -46,10 +46,10 @@
#include <GL/glut.h>
#define S_NUMPOINTS 13
#define S_ORDER 3
#define S_ORDER 3
#define S_NUMKNOTS (S_NUMPOINTS + S_ORDER)
#define T_NUMPOINTS 3
#define T_ORDER 3
#define T_ORDER 3
#define T_NUMKNOTS (T_NUMPOINTS + T_ORDER)
#define SQRT2 1.41421356237309504880
@ -86,7 +86,7 @@ GLfloat ctlpoints[S_NUMPOINTS][T_NUMPOINTS][4] = {
GLUnurbsObj *theNurb;
/* Initialize material property, light source, lighting model,
/* Initialize material property, light source, lighting model,
* and depth buffer.
*/
void myinit(void)
@ -133,12 +133,12 @@ void display(void)
glTranslatef (-4., -4.5, -2.5);
gluBeginSurface(theNurb);
gluNurbsSurface(theNurb,
gluNurbsSurface(theNurb,
S_NUMKNOTS, sknots,
T_NUMKNOTS, tknots,
4 * T_NUMPOINTS,
4,
&ctlpoints[0][0][0],
&ctlpoints[0][0][0],
S_ORDER, T_ORDER,
GL_MAP2_VERTEX_4);
gluEndSurface(theNurb);
@ -159,8 +159,21 @@ void myReshape(int w, int h)
gluLookAt(7.0,4.5,4.0, 4.5,4.5,2.0, 6.0,-3.0,2.0);
}
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)
@ -171,6 +184,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

60
progs/redbook/pickdepth.c
View file

@ -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
@ -39,19 +39,19 @@
*/
/*
* pickdepth.c
* Picking is demonstrated in this program. In
* rendering mode, three overlapping rectangles are
* drawn. When the left mouse button is pressed,
* selection mode is entered with the picking matrix.
* Picking is demonstrated in this program. In
* rendering mode, three overlapping rectangles are
* drawn. When the left mouse button is pressed,
* selection mode is entered with the picking matrix.
* Rectangles which are drawn under the cursor position
* are "picked." Pay special attention to the depth
* are "picked." Pay special attention to the depth
* value range, which is returned.
*/
#include <stdlib.h>
#include <stdio.h>
#include <GL/glut.h>
void
void
myinit(void)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
@ -61,11 +61,11 @@ myinit(void)
glDepthRange(0.0, 1.0); /* The default z mapping */
}
/* The three rectangles are drawn. In selection mode,
* each rectangle is given the same name. Note that
/* The three rectangles are drawn. In selection mode,
* each rectangle is given the same name. Note that
* each rectangle is drawn with a different z value.
*/
void
void
drawRects(GLenum mode)
{
if (mode == GL_SELECT)
@ -97,10 +97,10 @@ drawRects(GLenum mode)
glEnd();
}
/* processHits() prints out the contents of the
/* processHits() prints out the contents of the
* selection array.
*/
void
void
processHits(GLint hits, GLuint buffer[])
{
unsigned int i, j;
@ -125,13 +125,13 @@ processHits(GLint hits, GLuint buffer[])
}
}
/* pickRects() sets up selection mode, name stack,
* and projection matrix for picking. Then the objects
/* pickRects() sets up selection mode, name stack,
* and projection matrix for picking. Then the objects
* are drawn.
*/
#define BUFSIZE 512
void
void
pickRects(int button, int state, int x, int y)
{
GLuint selectBuf[BUFSIZE];
@ -164,7 +164,7 @@ pickRects(int button, int state, int x, int y)
processHits(hits, selectBuf);
}
void
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@ -172,7 +172,7 @@ display(void)
glutSwapBuffers();
}
void
void
myReshape(int w, int h)
{
glViewport(0, 0, w, h);
@ -183,8 +183,21 @@ myReshape(int w, int h)
glLoadIdentity();
}
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, depth buffer, and handle input events.
*/
int
@ -198,6 +211,7 @@ main(int argc, char **argv)
glutMouseFunc(pickRects);
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

38
progs/redbook/plane.c
View file

@ -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
@ -39,7 +39,7 @@
*/
/*
* plane.c
* This program demonstrates the use of local versus
* This program demonstrates the use of local versus
* infinite lighting on a flat plane.
*/
#include <stdlib.h>
@ -130,17 +130,30 @@ void myReshape(int w, int h)
glViewport (0, 0, w, h);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
if (w <= h)
glOrtho (-1.5, 1.5, -1.5*(GLdouble)h/(GLdouble)w,
if (w <= h)
glOrtho (-1.5, 1.5, -1.5*(GLdouble)h/(GLdouble)w,
1.5*(GLdouble)h/(GLdouble)w, -10.0, 10.0);
else
glOrtho (-1.5*(GLdouble)w/(GLdouble)h,
else
glOrtho (-1.5*(GLdouble)w/(GLdouble)h,
1.5*(GLdouble)w/(GLdouble)h, -1.5, 1.5, -10.0, 10.0);
glMatrixMode (GL_MODELVIEW);
}
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)
@ -152,6 +165,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

34
progs/redbook/polyoff.c
View file

@ -1,13 +1,13 @@
/*
* Copyright (c) 1993-1997, 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,
@ -21,8 +21,8 @@
* 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
@ -89,7 +89,7 @@ void display (void)
}
/* specify initial properties
* create display list with sphere
* create display list with sphere
* initialize lighting and depth buffer
*/
void gfxinit (void)
@ -137,7 +137,7 @@ void mouse(int button, int state, int x, int y) {
case GLUT_LEFT_BUTTON:
switch (state) {
case GLUT_DOWN:
spinx = (spinx + 5) % 360;
spinx = (spinx + 5) % 360;
glutPostRedisplay();
break;
default:
@ -147,7 +147,7 @@ void mouse(int button, int state, int x, int y) {
case GLUT_MIDDLE_BUTTON:
switch (state) {
case GLUT_DOWN:
spiny = (spiny + 5) % 360;
spiny = (spiny + 5) % 360;
glutPostRedisplay();
break;
default:
@ -209,8 +209,21 @@ void keyboard (unsigned char key, int x, int y)
}
}
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)
@ -223,6 +236,7 @@ int main(int argc, char** argv)
glutMouseFunc(mouse);
glutKeyboardFunc(keyboard);
gfxinit();
glutKeyboardFunc(key);
glutMainLoop();
return 0;
}

34
progs/redbook/polys.c
View file

@ -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
@ -76,7 +76,7 @@ void display(void)
/* draw all polygons in white */
glColor3f (1.0, 1.0, 1.0);
/* draw one solid, unstippled rectangle, */
/* draw one solid, unstippled rectangle, */
/* then two stippled rectangles */
glRectf (25.0, 25.0, 125.0, 125.0);
glEnable (GL_POLYGON_STIPPLE);
@ -89,11 +89,11 @@ void display(void)
glFlush ();
}
void myinit (void)
void myinit (void)
{
/* clear background to black */
glClearColor (0.0, 0.0, 0.0, 0.0);
glShadeModel (GL_FLAT);
glShadeModel (GL_FLAT);
}
static void reshape(GLsizei w, GLsizei h)
@ -106,8 +106,21 @@ static void reshape(GLsizei w, GLsizei h)
glLoadIdentity();
}
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)
@ -119,6 +132,7 @@ int main(int argc, char** argv)
myinit ();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

50
progs/redbook/sccolorlight.c
View file

@ -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
@ -39,9 +39,9 @@
*/
/*
* sccolorlight.c
* This program demonstrates the use of a colored
* (magenta, in this example) light source. Objects
* are drawn using a grey material characteristic.
* This program demonstrates the use of a colored
* (magenta, in this example) light source. Objects
* are drawn using a grey material characteristic.
* A single light source illuminates the objects.
*/
#include <stdlib.h>
@ -61,7 +61,7 @@ void myinit(void)
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
@ -75,19 +75,19 @@ void display(void)
glRotatef (20.0, 1.0, 0.0, 0.0);
glPushMatrix ();
glTranslatef (-0.75, 0.5, 0.0);
glTranslatef (-0.75, 0.5, 0.0);
glRotatef (90.0, 1.0, 0.0, 0.0);
glutSolidTorus (0.275, 0.85, 20, 20);
glPopMatrix ();
glPushMatrix ();
glTranslatef (-0.75, -0.5, 0.0);
glTranslatef (-0.75, -0.5, 0.0);
glRotatef (270.0, 1.0, 0.0, 0.0);
glutSolidCone (1.0, 2.0, 20, 20);
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.75, 0.0, -1.0);
glTranslatef (0.75, 0.0, -1.0);
glutSolidSphere (1.0, 20, 20);
glPopMatrix ();
@ -100,17 +100,30 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
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)
@ -122,6 +135,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

46
progs/redbook/scene.c
View file

@ -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
@ -40,7 +40,7 @@
/*
* scene.c
* This program demonstrates the use of the GL lighting model.
* Objects are drawn using a grey material characteristic.
* Objects are drawn using a grey material characteristic.
* A single light source illuminates the objects.
*/
#include <stdlib.h>
@ -60,7 +60,7 @@ void myinit (void)
glLightfv (GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv (GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv (GL_LIGHT0, GL_POSITION, light_position);
glEnable (GL_LIGHTING);
glEnable (GL_LIGHT0);
glDepthFunc(GL_LESS);
@ -75,19 +75,19 @@ void display (void)
glRotatef (20.0, 1.0, 0.0, 0.0);
glPushMatrix ();
glTranslatef (-0.75, 0.5, 0.0);
glTranslatef (-0.75, 0.5, 0.0);
glRotatef (90.0, 1.0, 0.0, 0.0);
glutSolidTorus (0.275, 0.85, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (-0.75, -0.5, 0.0);
glTranslatef (-0.75, -0.5, 0.0);
glRotatef (270.0, 1.0, 0.0, 0.0);
glutSolidCone (1.0, 2.0, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.75, 0.0, -1.0);
glTranslatef (0.75, 0.0, -1.0);
glutSolidSphere (1.0, 15, 15);
glPopMatrix ();
@ -100,17 +100,30 @@ void myReshape(int w, int h)
glViewport (0, 0, w, h);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
glMatrixMode (GL_MODELVIEW);
}
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)
@ -122,6 +135,7 @@ int main(int argc, char** argv)
myinit ();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

46
progs/redbook/scenebamb.c
View file

@ -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
@ -39,7 +39,7 @@
*/
/*
* scenebamb.c
* This program demonstrates use of a blue ambient light
* This program demonstrates use of a blue ambient light
* source.
*/
#include <stdlib.h>
@ -59,7 +59,7 @@ void myinit(void)
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
@ -74,19 +74,19 @@ void display(void)
glRotatef (20.0, 1.0, 0.0, 0.0);
glPushMatrix ();
glTranslatef (-0.75, 0.5, 0.0);
glTranslatef (-0.75, 0.5, 0.0);
glRotatef (90.0, 1.0, 0.0, 0.0);
glutSolidTorus (0.275, 0.85, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (-0.75, -0.5, 0.0);
glTranslatef (-0.75, -0.5, 0.0);
glRotatef (270.0, 1.0, 0.0, 0.0);
glutSolidCone (1.0, 2.0, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.75, 0.0, -1.0);
glTranslatef (0.75, 0.0, -1.0);
glutSolidSphere (1.0, 15, 15);
glPopMatrix ();
@ -99,17 +99,30 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
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)
@ -121,6 +134,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

44
progs/redbook/sceneflat.c
View file

@ -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
@ -58,7 +58,7 @@ void myinit(void)
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glDepthFunc(GL_LESS);
@ -74,19 +74,19 @@ void display(void)
glRotatef (20.0, 1.0, 0.0, 0.0);
glPushMatrix ();
glTranslatef (-0.75, 0.5, 0.0);
glTranslatef (-0.75, 0.5, 0.0);
glRotatef (90.0, 1.0, 0.0, 0.0);
glutSolidTorus (0.275, 0.85, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (-0.75, -0.5, 0.0);
glTranslatef (-0.75, -0.5, 0.0);
glRotatef (270.0, 1.0, 0.0, 0.0);
glutSolidCone (1.0, 2.0, 15, 15);
glPopMatrix ();
glPushMatrix ();
glTranslatef (0.75, 0.0, -1.0);
glTranslatef (0.75, 0.0, -1.0);
glutSolidSphere (1.0, 15, 15);
glPopMatrix ();
@ -99,17 +99,30 @@ void myReshape(int w, int h)
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
if (w <= h)
glOrtho (-2.5, 2.5, -2.5*(GLfloat)h/(GLfloat)w,
2.5*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
else
glOrtho (-2.5*(GLfloat)w/(GLfloat)h,
2.5*(GLfloat)w/(GLfloat)h, -2.5, 2.5, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
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)
@ -121,6 +134,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

38
progs/redbook/stencil.c
View file

@ -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. */
}

44
progs/redbook/stroke.c
View file

@ -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
@ -38,10 +38,10 @@
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
/*
* stroke.c
* This program demonstrates some characters of a
* stroke.c
* This program demonstrates some characters of a
* stroke (vector) font. The characters are represented
* by display lists, which are given numbers which
* by display lists, which are given numbers which
* correspond to the ASCII values of the characters.
* Use of glCallLists() is demonstrated.
*/
@ -59,7 +59,7 @@ typedef struct charpoint {
} CP;
CP Adata[] = {
{ 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT},
{ 0, 0, PT}, {0, 9, PT}, {1, 10, PT}, {4, 10, PT},
{5, 9, PT}, {5, 0, STROKE}, {0, 5, PT}, {5, 5, END}
};
@ -69,18 +69,18 @@ CP Edata[] = {
};
CP Pdata[] = {
{0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
{0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
{4, 5, PT}, {0, 5, END}
};
CP Rdata[] = {
{0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
{0, 0, PT}, {0, 10, PT}, {4, 10, PT}, {5, 9, PT}, {5, 6, PT},
{4, 5, PT}, {0, 5, STROKE}, {3, 5, PT}, {5, 0, END}
};
CP Sdata[] = {
{0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT},
{4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT},
{0, 1, PT}, {1, 0, PT}, {4, 0, PT}, {5, 1, PT}, {5, 4, PT},
{4, 5, PT}, {1, 5, PT}, {0, 6, PT}, {0, 9, PT}, {1, 10, PT},
{4, 10, PT}, {5, 9, END}
};
@ -163,8 +163,21 @@ static void reshape(GLsizei w, GLsizei h)
glLoadIdentity();
}
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)
@ -176,6 +189,7 @@ int main(int argc, char** argv)
myinit ();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

40
progs/redbook/surface.c
View file

@ -2,14 +2,14 @@
/**
* (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,
@ -23,8 +23,8 @@
* 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
@ -38,7 +38,7 @@
*/
/**
* surface.c
* This program draws a NURBS surface in the shape of a
* This program draws a NURBS surface in the shape of a
* symmetrical hill.
*/
#include <GL/glut.h>
@ -65,9 +65,9 @@ void init_surface(void)
else
ctlpoints[u][v][2] = -3.0;
}
}
}
}
}
/* Initialize material property and depth buffer.
*/
void myinit(void)
@ -111,12 +111,12 @@ void display(void)
glScalef (0.25, 0.25, 0.25);
gluBeginSurface(theNurb);
gluNurbsSurface(theNurb,
gluNurbsSurface(theNurb,
8, knots,
8, knots,
4 * 3,
3,
&ctlpoints[0][0][0],
&ctlpoints[0][0][0],
4, 4,
GL_MAP2_VERTEX_3);
gluEndSurface(theNurb);
@ -134,7 +134,7 @@ void display(void)
glEnd();
glEnable(GL_LIGHTING);
}
glPopMatrix();
glutSwapBuffers();
}
@ -194,6 +194,19 @@ mouse(int button, int state, int x, int y)
}
}
static void
key(unsigned char k, int x, int y)
{
switch (k) {
case 27: /* Escape */
exit(0);
break;
default:
return;
}
glutPostRedisplay();
}
/* Main Loop */
int
main(int argc, char** argv)
@ -212,6 +225,7 @@ main(int argc, char** argv)
glutAttachMenu(GLUT_RIGHT_BUTTON);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

34
progs/redbook/teaambient.c
View file

@ -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
@ -47,7 +47,7 @@
/* Initialize light source and lighting model.
*/
void
void
myinit(void)
{
GLfloat light_ambient[] =
@ -78,7 +78,7 @@ myinit(void)
glEnable(GL_DEPTH_TEST);
}
void
void
display(void)
{
GLfloat low_ambient[] =
@ -114,7 +114,7 @@ display(void)
glFlush();
}
void
void
myReshape(int w, int h)
{
glViewport(0, 0, w, h);
@ -129,8 +129,21 @@ myReshape(int w, int h)
glMatrixMode(GL_MODELVIEW);
}
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
@ -143,6 +156,7 @@ main(int argc, char **argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

14
progs/redbook/teapots.c
View file

@ -188,6 +188,19 @@ myReshape(int w, int h)
glMatrixMode(GL_MODELVIEW);
}
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, RGBA display
* mode, and handle input events.
@ -201,6 +214,7 @@ main(int argc, char **argv)
myinit();
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}

33
progs/redbook/texbind.c
View file

@ -1,13 +1,13 @@
/*
* Copyright (c) 1993-1997, 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,
@ -21,8 +21,8 @@
* 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
@ -36,7 +36,7 @@
*/
/* texbind.c
* This program demonstrates using glBindTexture() by
* This program demonstrates using glBindTexture() by
* creating and managing two textures.
*/
#include <GL/glut.h>
@ -55,15 +55,15 @@ static GLuint texName[2];
void makeCheckImages(void)
{
int i, j, c;
for (i = 0; i < checkImageHeight; i++) {
for (j = 0; j < checkImageWidth; 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;
checkImage[i][j][3] = (GLubyte) 255;
c = ((((i&0x10)==0)^((j&0x10))==0))*255;
c = ((((i&0x10)==0)^((j&0x10)==0)))*255;
otherImage[i][j][0] = (GLubyte) c;
otherImage[i][j][1] = (GLubyte) 0;
otherImage[i][j][2] = (GLubyte) 0;
@ -73,7 +73,7 @@ void makeCheckImages(void)
}
void init(void)
{
{
glClearColor (0.0, 0.0, 0.0, 0.0);
glShadeModel(GL_FLAT);
glEnable(GL_DEPTH_TEST);
@ -85,9 +85,9 @@ void init(void)
glBindTexture(GL_TEXTURE_2D, texName[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
@ -99,8 +99,8 @@ void init(void)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth,
checkImageHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
otherImage);
glEnable(GL_TEXTURE_2D);
}
@ -158,7 +158,7 @@ int main(int argc, char** argv)
glutDisplayFunc(display);
glutKeyboardFunc (keyboard);
glutMainLoop();
return 0;
return 0;
}
#else
int main(int argc, char** argv)
@ -169,4 +169,3 @@ int main(int argc, char** argv)
return 0;
}
#endif

26
progs/redbook/texsub.c
View file

@ -1,13 +1,13 @@
/*
* Copyright (c) 1993-1997, 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,
@ -21,8 +21,8 @@
* 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
@ -40,7 +40,7 @@
* two rectangles. This program clamps the texture, if
* the texture coordinates fall outside 0.0 and 1.0.
* If the s key is pressed, a texture subimage is used to
* alter the original texture. If the r key is pressed,
* alter the original texture. If the r key is pressed,
* the original texture is restored.
*/
#include <GL/glut.h>
@ -61,10 +61,10 @@ static GLuint texName;
void makeCheckImages(void)
{
int i, j, c;
for (i = 0; i < checkImageHeight; i++) {
for (j = 0; j < checkImageWidth; 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;
@ -73,7 +73,7 @@ void makeCheckImages(void)
}
for (i = 0; i < subImageHeight; i++) {
for (j = 0; j < subImageWidth; j++) {
c = ((((i&0x4)==0)^((j&0x4))==0))*255;
c = ((((i&0x4)==0)^((j&0x4)==0)))*255;
subImage[i][j][0] = (GLubyte) c;
subImage[i][j][1] = (GLubyte) 0;
subImage[i][j][2] = (GLubyte) 0;
@ -83,7 +83,7 @@ void makeCheckImages(void)
}
void init(void)
{
{
glClearColor (0.0, 0.0, 0.0, 0.0);
glShadeModel(GL_FLAT);
glEnable(GL_DEPTH_TEST);
@ -98,7 +98,7 @@ void init(void)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, checkImageWidth, checkImageHeight,
0, GL_RGBA, GL_UNSIGNED_BYTE, checkImage);
}
@ -174,7 +174,7 @@ int main(int argc, char** argv)
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glutMainLoop();
return 0;
return 0;
}
#else
int main(int argc, char** argv)

50
progs/redbook/texturesurf.c
View file

@ -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
@ -47,17 +47,17 @@
#include <math.h>
GLfloat ctrlpoints[4][4][3] = {
{{ -1.5, -1.5, 4.0}, { -0.5, -1.5, 2.0},
{0.5, -1.5, -1.0}, {1.5, -1.5, 2.0}},
{{ -1.5, -0.5, 1.0}, { -0.5, -0.5, 3.0},
{0.5, -0.5, 0.0}, {1.5, -0.5, -1.0}},
{{ -1.5, 0.5, 4.0}, { -0.5, 0.5, 0.0},
{0.5, 0.5, 3.0}, {1.5, 0.5, 4.0}},
{{ -1.5, 1.5, -2.0}, { -0.5, 1.5, -2.0},
{{ -1.5, -1.5, 4.0}, { -0.5, -1.5, 2.0},
{0.5, -1.5, -1.0}, {1.5, -1.5, 2.0}},
{{ -1.5, -0.5, 1.0}, { -0.5, -0.5, 3.0},
{0.5, -0.5, 0.0}, {1.5, -0.5, -1.0}},
{{ -1.5, 0.5, 4.0}, { -0.5, 0.5, 0.0},
{0.5, 0.5, 3.0}, {1.5, 0.5, 4.0}},
{{ -1.5, 1.5, -2.0}, { -0.5, 1.5, -2.0},
{0.5, 1.5, 0.0}, {1.5, 1.5, -1.0}}
};
GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
GLfloat texpts[2][2][2] = {{{0.0, 0.0}, {0.0, 1.0}},
{{1.0, 0.0}, {1.0, 1.0}}};
void display(void)
@ -76,7 +76,7 @@ void makeImage(void)
{
int i, j;
float ti, tj;
for (i = 0; i < imageWidth; i++) {
ti = 2.0*3.14159265*i/imageWidth;
for (j = 0; j < imageHeight; j++) {
@ -93,7 +93,7 @@ void myinit(void)
{
glMap2f(GL_MAP2_VERTEX_3, 0, 1, 3, 4,
0, 1, 12, 4, &ctrlpoints[0][0][0]);
glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2,
glMap2f(GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2,
0, 1, 4, 2, &texpts[0][0][0]);
glEnable(GL_MAP2_TEXTURE_COORD_2);
glEnable(GL_MAP2_VERTEX_3);
@ -118,16 +118,29 @@ void myReshape(int w, int h)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
glOrtho(-4.0, 4.0, -4.0*(GLfloat)h/(GLfloat)w,
glOrtho(-4.0, 4.0, -4.0*(GLfloat)h/(GLfloat)w,
4.0*(GLfloat)h/(GLfloat)w, -4.0, 4.0);
else
glOrtho(-4.0*(GLfloat)w/(GLfloat)h,
glOrtho(-4.0*(GLfloat)w/(GLfloat)h,
4.0*(GLfloat)w/(GLfloat)h, -4.0, 4.0, -4.0, 4.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(85.0, 1.0, 1.0, 1.0);
}
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)
{
glutInit(&argc, argv);
@ -136,6 +149,7 @@ int main(int argc, char** argv)
myinit();
glutReshapeFunc (myReshape);
glutDisplayFunc(display);
glutKeyboardFunc(key);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}