src/glu/mini/nurbs.c

   1 /* $Id: nurbs.c,v 1.2 2003/08/22 20:11:43 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.3
   6  * Copyright (C) 1995-2000  Brian Paul
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Library General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Library General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Library General Public
  19  * License along with this library; if not, write to the Free
  20  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23
  24 /*
  25  * NURBS implementation written by Bogdan Sikorski (bogdan@cira.it)
  26  * See README2 for more info.
  27  */
  28
  29
  30 #ifdef PC_HEADER
  31 #include "all.h"
  32 #else
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include "gluP.h"
  36 #include "nurbs.h"
  37 #endif
  38
  39
  40 void
  41 call_user_error(GLUnurbsObj * nobj, GLenum error)
  42 {
  43    nobj->error = error;
  44    if (nobj->error_callback != NULL) {
  45       (*(nobj->error_callback)) (error);
  46    }
  47    else {
  48       printf("NURBS error %d %s\n", error, (char *) gluErrorString(error));
  49    }
  50 }
  51
  52
  53
  54 GLUnurbsObj *GLAPIENTRY
  55 gluNewNurbsRenderer(void)
  56 {
  57    GLUnurbsObj *n;
  58    GLfloat tmp_viewport[4];
  59    GLint i, j;
  60
  61    n = (GLUnurbsObj *) malloc(sizeof(GLUnurbsObj));
  62    return n;
  63 }
  64
  65
  66
  67 void GLAPIENTRY
  68 gluDeleteNurbsRenderer(GLUnurbsObj * nobj)
  69 {
  70    if (nobj) {
  71       free(nobj);
  72    }
  73 }
  74
  75
  76
  77 void GLAPIENTRY
  78 gluLoadSamplingMatrices(GLUnurbsObj * nobj,
  79                         const GLfloat modelMatrix[16],
  80                         const GLfloat projMatrix[16], const GLint viewport[4])
  81 {
  82 }
  83
  84
  85 void GLAPIENTRY
  86 gluNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat value)
  87 {
  88 }
  89
  90
  91 void GLAPIENTRY
  92 gluGetNurbsProperty(GLUnurbsObj * nobj, GLenum property, GLfloat * value)
  93 {
  94 }
  95
  96
  97
  98 void GLAPIENTRY
  99 gluBeginCurve(GLUnurbsObj * nobj)
 100 {
 101 }
 102
 103
 104 void GLAPIENTRY
 105 gluEndCurve(GLUnurbsObj * nobj)
 106 {
 107 }
 108
 109
 110 void GLAPIENTRY
 111 gluNurbsCurve(GLUnurbsObj * nobj, GLint nknots, GLfloat * knot,
 112               GLint stride, GLfloat * ctlarray, GLint order, GLenum type)
 113 {
 114 }
 115
 116
 117 void GLAPIENTRY
 118 gluBeginSurface(GLUnurbsObj * nobj)
 119 {
 120 }
 121
 122
 123 void GLAPIENTRY
 124 gluEndSurface(GLUnurbsObj * nobj)
 125 {
 126 }
 127
 128
 129 void GLAPIENTRY
 130 gluNurbsSurface(GLUnurbsObj * nobj,
 131                 GLint sknot_count, GLfloat * sknot,
 132                 GLint tknot_count, GLfloat * tknot,
 133                 GLint s_stride, GLint t_stride,
 134                 GLfloat * ctrlarray, GLint sorder, GLint torder, GLenum type)
 135 {
 136 }
 137
 138
 139 void GLAPIENTRY
 140 gluNurbsCallback(GLUnurbsObj * nobj, GLenum which, void (GLCALLBACK * fn) ())
 141 {
 142 }
 143
 144 void GLAPIENTRY
 145 gluBeginTrim(GLUnurbsObj * nobj)
 146 {
 147 }
 148
 149 void GLAPIENTRY
 150 gluPwlCurve(GLUnurbsObj * nobj, GLint count, GLfloat * array, GLint stride,
 151             GLenum type)
 152 {
 153 }
 154
 155 void GLAPIENTRY
 156 gluEndTrim(GLUnurbsObj * nobj)
 157 {
 158 }