92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/**
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* blenlib/BKE_curve.h (mar-2001 nzc)
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*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#ifndef BKE_CURVE_H
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#define BKE_CURVE_H
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struct Curve;
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struct ListBase;
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struct Object;
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struct Nurb;
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struct ListBase;
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struct BezTriple;
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struct BevList;
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#define KNOTSU(nu) ( (nu)->orderu+ (nu)->pntsu+ (nu->orderu-1)*((nu)->flagu & 1) )
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#define KNOTSV(nu) ( (nu)->orderv+ (nu)->pntsv+ (nu->orderv-1)*((nu)->flagv & 1) )
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void unlink_curve( struct Curve *cu);
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void free_curve( struct Curve *cu);
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struct Curve *add_curve(char *name, int type);
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struct Curve *copy_curve( struct Curve *cu);
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void make_local_curve( struct Curve *cu);
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short curve_type( struct Curve *cu);
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void test_curve_type( struct Object *ob);
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void tex_space_curve( struct Curve *cu);
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int count_curveverts( struct ListBase *nurb);
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int count_curveverts_without_handles( struct ListBase *nurb);
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void freeNurb( struct Nurb *nu);
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void freeNurblist( struct ListBase *lb);
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struct Nurb *duplicateNurb( struct Nurb *nu);
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void duplicateNurblist( struct ListBase *lb1, struct ListBase *lb2);
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void test2DNurb( struct Nurb *nu);
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void minmaxNurb( struct Nurb *nu, float *min, float *max);
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void makeknots( struct Nurb *nu, short uv, short type);
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void makeNurbfaces( struct Nurb *nu, float *data, int rowstride);
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void makeNurbcurve( struct Nurb *nu, float *data, int resolu, int dim);
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void forward_diff_bezier(float q0, float q1, float q2, float q3, float *p, int it, int stride);
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float *make_orco_curve( struct Object *ob);
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float *make_orco_surf( struct Object *ob);
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void makebevelcurve( struct Object *ob, struct ListBase *disp);
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void makeBevelList( struct Object *ob);
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float calc_curve_subdiv_radius( struct Curve *cu, struct Nurb *nu, int cursubdiv);
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void calchandleNurb( struct BezTriple *bezt, struct BezTriple *prev, struct BezTriple *next, int mode);
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void calchandlesNurb( struct Nurb *nu);
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void testhandlesNurb( struct Nurb *nu);
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void autocalchandlesNurb( struct Nurb *nu, int flag);
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void autocalchandlesNurb_all(int flag);
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void sethandlesNurb(short code);
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void switchdirectionNurb( struct Nurb *nu);
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float (*curve_getVertexCos(struct Curve *cu, struct ListBase *lb, int *numVerts_r))[3];
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void curve_applyVertexCos(struct Curve *cu, struct ListBase *lb, float (*vertexCos)[3]);
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#endif
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