diff options
Diffstat (limited to 'src/glu/mini/nurbscrv.c')
| -rw-r--r-- | src/glu/mini/nurbscrv.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/glu/mini/nurbscrv.c b/src/glu/mini/nurbscrv.c deleted file mode 100644 index 4e2dd8e38fe..00000000000 --- a/src/glu/mini/nurbscrv.c +++ /dev/null @@ -1,133 +0,0 @@ -/* $Id: nurbscrv.c,v 1.2 2003-08-22 20:11:43 brianp Exp $ */ - -/* - * Mesa 3-D graphics library - * Version: 3.3 - * Copyright (C) 1995-2000 Brian Paul - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -/* - * NURBS implementation written by Bogdan Sikorski (bogdan@cira.it) - * See README2 for more info. - */ - - -#ifdef PC_HEADER -#include "all.h" -#else -#include <math.h> -#include <stdlib.h> -#include "gluP.h" -#include "nurbs.h" -#endif - - - -/* main NURBS curve procedure */ -void -do_nurbs_curve(GLUnurbsObj * nobj) -{ - GLint geom_order, color_order = 0, normal_order = 0, texture_order = 0; - GLenum geom_type; - GLint n_ctrl; - GLfloat *new_geom_ctrl, *new_color_ctrl, *new_normal_ctrl, - *new_texture_ctrl; - GLfloat *geom_ctrl = 0, *color_ctrl = 0, *normal_ctrl = 0, *texture_ctrl = 0; - GLint *factors; - GLint i, j; - GLint geom_dim, color_dim = 0, normal_dim = 0, texture_dim = 0; - - /* test the user supplied data */ - if (test_nurbs_curves(nobj) != GLU_NO_ERROR) - return; - - if (convert_curves(nobj, &new_geom_ctrl, &n_ctrl, &new_color_ctrl, - &new_normal_ctrl, &new_texture_ctrl) != GLU_NO_ERROR) - return; - - geom_order = nobj->curve.geom.order; - geom_type = nobj->curve.geom.type; - geom_dim = nobj->curve.geom.dim; - - if (glu_do_sampling_crv(nobj, new_geom_ctrl, n_ctrl, geom_order, geom_dim, - &factors) != GLU_NO_ERROR) { - free(new_geom_ctrl); - if (new_color_ctrl) - free(new_color_ctrl); - if (new_normal_ctrl) - free(new_normal_ctrl); - if (new_texture_ctrl) - free(new_texture_ctrl); - return; - } - glEnable(geom_type); - if (new_color_ctrl) { - glEnable(nobj->curve.color.type); - color_dim = nobj->curve.color.dim; - color_ctrl = new_color_ctrl; - color_order = nobj->curve.color.order; - } - if (new_normal_ctrl) { - glEnable(nobj->curve.normal.type); - normal_dim = nobj->curve.normal.dim; - normal_ctrl = new_normal_ctrl; - normal_order = nobj->curve.normal.order; - } - if (new_texture_ctrl) { - glEnable(nobj->curve.texture.type); - texture_dim = nobj->curve.texture.dim; - texture_ctrl = new_texture_ctrl; - texture_order = nobj->curve.texture.order; - } - for (i = 0, j = 0, geom_ctrl = new_geom_ctrl; - i < n_ctrl; i += geom_order, j++, geom_ctrl += geom_order * geom_dim) { - if (fine_culling_test_2D - (nobj, geom_ctrl, geom_order, geom_dim, geom_dim)) { - color_ctrl += color_order * color_dim; - normal_ctrl += normal_order * normal_dim; - texture_ctrl += texture_order * texture_dim; - continue; - } - glMap1f(geom_type, 0.0, 1.0, geom_dim, geom_order, geom_ctrl); - if (new_color_ctrl) { - glMap1f(nobj->curve.color.type, 0.0, 1.0, color_dim, - color_order, color_ctrl); - color_ctrl += color_order * color_dim; - } - if (new_normal_ctrl) { - glMap1f(nobj->curve.normal.type, 0.0, 1.0, normal_dim, - normal_order, normal_ctrl); - normal_ctrl += normal_order * normal_dim; - } - if (new_texture_ctrl) { - glMap1f(nobj->curve.texture.type, 0.0, 1.0, texture_dim, - texture_order, texture_ctrl); - texture_ctrl += texture_order * texture_dim; - } - glMapGrid1f(factors[j], 0.0, 1.0); - glEvalMesh1(GL_LINE, 0, factors[j]); - } - free(new_geom_ctrl); - free(factors); - if (new_color_ctrl) - free(new_color_ctrl); - if (new_normal_ctrl) - free(new_normal_ctrl); - if (new_texture_ctrl) - free(new_texture_ctrl); -} |