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-rw-r--r--progs/samples/nurb.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/progs/samples/nurb.c b/progs/samples/nurb.c
deleted file mode 100644
index dc8991295e..0000000000
--- a/progs/samples/nurb.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the name of
- * Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
- * ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-#include <GL/glut.h>
-
-
-#ifndef CALLBACK
-#define CALLBACK
-#endif
-
-
-#define INREAL float
-
-#define S_NUMPOINTS 13
-#define S_ORDER 3
-#define S_NUMKNOTS (S_NUMPOINTS + S_ORDER)
-#define T_NUMPOINTS 3
-#define T_ORDER 3
-#define T_NUMKNOTS (T_NUMPOINTS + T_ORDER)
-#define SQRT_TWO 1.41421356237309504880
-
-
-typedef INREAL Point[4];
-
-
-GLenum doubleBuffer;
-
-GLenum expectedError;
-GLint rotX = 40, rotY = 40;
-INREAL sknots[S_NUMKNOTS] = {
- -1.0, -1.0, -1.0, 0.0, 1.0, 2.0, 3.0, 4.0,
- 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 9.0, 9.0
-};
-INREAL tknots[T_NUMKNOTS] = {
- 1.0, 1.0, 1.0, 2.0, 2.0, 2.0
-};
-Point ctlpoints[S_NUMPOINTS][T_NUMPOINTS] = {
- {
- {
- 4.0, 2.0, 2.0, 1.0
- },
- {
- 4.0, 1.6, 2.5, 1.0
- },
- {
- 4.0, 2.0, 3.0, 1.0
- }
- },
- {
- {
- 5.0, 4.0, 2.0, 1.0
- },
- {
- 5.0, 4.0, 2.5, 1.0
- },
- {
- 5.0, 4.0, 3.0, 1.0
- }
- },
- {
- {
- 6.0, 5.0, 2.0, 1.0
- },
- {
- 6.0, 5.0, 2.5, 1.0
- },
- {
- 6.0, 5.0, 3.0, 1.0
- }
- },
- {
- {
- SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
- },
- {
- SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
- },
- {
- SQRT_TWO*6.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
- }
- },
- {
- {
- 5.2, 6.7, 2.0, 1.0
- },
- {
- 5.2, 6.7, 2.5, 1.0
- },
- {
- 5.2, 6.7, 3.0, 1.0
- }
- },
- {
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
- },
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
- },
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
- }
- },
- {
- {
- 4.0, 5.2, 2.0, 1.0
- },
- {
- 4.0, 4.6, 2.5, 1.0
- },
- {
- 4.0, 5.2, 3.0, 1.0
- }
- },
- {
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
- },
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
- },
- {
- SQRT_TWO*4.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
- }
- },
- {
- {
- 2.8, 6.7, 2.0, 1.0
- },
- {
- 2.8, 6.7, 2.5, 1.0
- },
- {
- 2.8, 6.7, 3.0, 1.0
- }
- },
- {
- {
- SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.0, SQRT_TWO
- },
- {
- SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*2.5, SQRT_TWO
- },
- {
- SQRT_TWO*2.0, SQRT_TWO*6.0, SQRT_TWO*3.0, SQRT_TWO
- }
- },
- {
- {
- 2.0, 5.0, 2.0, 1.0
- },
- {
- 2.0, 5.0, 2.5, 1.0
- },
- {
- 2.0, 5.0, 3.0, 1.0
- }
- },
- {
- {
- 3.0, 4.0, 2.0, 1.0
- },
- {
- 3.0, 4.0, 2.5, 1.0
- },
- {
- 3.0, 4.0, 3.0, 1.0
- }
- },
- {
- {
- 4.0, 2.0, 2.0, 1.0
- },
- {
- 4.0, 1.6, 2.5, 1.0
- },
- {
- 4.0, 2.0, 3.0, 1.0
- }
- }
-};
-GLUnurbsObj *theNurbs;
-
-
-static void CALLBACK ErrorCallback(GLenum which)
-{
-
- if (which != expectedError) {
- fprintf(stderr, "Unexpected error occured (%d):\n", which);
- fprintf(stderr, " %s\n", (char *) gluErrorString(which));
- }
-}
-
-typedef void (GLAPIENTRY *callback_t)();
-
-static void Init(void)
-{
-
- theNurbs = gluNewNurbsRenderer();
- gluNurbsCallback(theNurbs, GLU_ERROR, (callback_t) ErrorCallback);
-
- gluNurbsProperty(theNurbs, GLU_SAMPLING_TOLERANCE, 15.0);
- gluNurbsProperty(theNurbs, GLU_DISPLAY_MODE, GLU_OUTLINE_PATCH);
-
- expectedError = GLU_INVALID_ENUM;
- gluNurbsProperty(theNurbs, ~0, 15.0);
- expectedError = GLU_NURBS_ERROR13;
- gluEndSurface(theNurbs);
- expectedError = 0;
-
- glColor3f(1.0, 1.0, 1.0);
-}
-
-static void Reshape(int width, int height)
-{
-
- glViewport(0, 0, (GLint)width, (GLint)height);
-
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(-2.0, 2.0, -2.0, 2.0, 0.8, 10.0);
- gluLookAt(7.0, 4.5, 4.0, 4.5, 4.5, 2.5, 6.0, -3.0, 2.0);
- glMatrixMode(GL_MODELVIEW);
-}
-
-static void Key2(int key, int x, int y)
-{
-
- switch (key) {
- case GLUT_KEY_DOWN:
- rotX -= 5;
- break;
- case GLUT_KEY_UP:
- rotX += 5;
- break;
- case GLUT_KEY_LEFT:
- rotY -= 5;
- break;
- case GLUT_KEY_RIGHT:
- rotY += 5;
- break;
- default:
- return;
- }
-
- glutPostRedisplay();
-}
-
-static void Key(unsigned char key, int x, int y)
-{
-
- switch (key) {
- case 27:
- exit(1);
- }
-}
-
-static void Draw(void)
-{
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- glPushMatrix();
-
- glTranslatef(4.0, 4.5, 2.5);
- glRotatef(rotY, 1, 0, 0);
- glRotatef(rotX, 0, 1, 0);
- glTranslatef(-4.0, -4.5, -2.5);
-
- gluBeginSurface(theNurbs);
- gluNurbsSurface(theNurbs, S_NUMKNOTS, sknots, T_NUMKNOTS, tknots,
- 4*T_NUMPOINTS, 4, &ctlpoints[0][0][0], S_ORDER,
- T_ORDER, GL_MAP2_VERTEX_4);
- gluEndSurface(theNurbs);
-
- glPopMatrix();
-
- glFlush();
-
- if (doubleBuffer) {
- glutSwapBuffers();
- }
-}
-
-static GLenum Args(int argc, char **argv)
-{
- GLint i;
-
- doubleBuffer = GL_FALSE;
-
- for (i = 1; i < argc; i++) {
- if (strcmp(argv[i], "-sb") == 0) {
- doubleBuffer = GL_FALSE;
- } else if (strcmp(argv[i], "-db") == 0) {
- doubleBuffer = GL_TRUE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
-}
-
-int main(int argc, char **argv)
-{
- GLenum type;
-
- glutInit(&argc, argv);
-
- if (Args(argc, argv) == GL_FALSE) {
- exit(1);
- }
-
- glutInitWindowPosition(0, 0); glutInitWindowSize( 300, 300);
-
- type = GLUT_RGB;
- type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
- glutInitDisplayMode(type);
-
- if (glutCreateWindow("NURBS Test") == GL_FALSE) {
- exit(1);
- }
-
- Init();
-
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- glutSpecialFunc(Key2);
- glutDisplayFunc(Draw);
- glutMainLoop();
- return 0;
-}
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