Campbell Barton
d72d4a5058
removed calc_curve_subdiv_radius(), curve radius is now calculated the same way as tilt. Added radius interpolation menu matching tilt interpolation, needed to add "Ease" interpolation type to keep 2.47 curves looking the same.
98 lines
3.5 KiB
C++
98 lines
3.5 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 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.
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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 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)->flagu & CU_CYCLIC) ? (nu->orderu-1) : 0) )
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#define KNOTSV(nu) ( (nu)->orderv+ (nu)->pntsv+ (((nu)->flagv & CU_CYCLIC) ? (nu->orderv-1) : 0) )
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/* Non cyclic nurbs have 1 less segment */
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#define SEGMENTSU(nu) ( ((nu)->flagu & CU_CYCLIC) ? (nu)->pntsu : (nu)->pntsu-1 )
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#define SEGMENTSV(nu) ( ((nu)->flagv & CU_CYCLIC) ? (nu)->pntsv : (nu)->pntsv-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 *coord_array, int rowstride);
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void makeNurbcurve(struct Nurb *nu, float *coord_array, float *tilt_array, float *radius_array, int resolu);
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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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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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/* nurb checks if they can be drawn, also clamp order func */
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int check_valid_nurb_u( struct Nurb *nu);
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int check_valid_nurb_v( struct Nurb *nu);
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int clamp_nurb_order_u( struct Nurb *nu);
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int clamp_nurb_order_v( struct Nurb *nu);
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#endif
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