/*
 * $Header: /home/dmarkle/xtrkcad-fork-cvs/xtrkcad/app/bin/cbezier.h,v 1.1 2005-12-07 15:47:36 rc-flyer Exp $
 */

/*  XTrkCad - Model Railroad CAD
 *  Copyright (C) 2005 Dave Bullis
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "common.h"
#include "wlib.h"
#include "utility.h"


extern dynArr_t tempEndPts_da;
#define BezSegs(N) DYNARR_N( trkEndPt_t, tempEndPts_da, N )

#define bezCmdNone 			(0)
#define bezCmdModifyTrack 	(1)
#define bezCmdModifyLine 	(2)
#define bezCmdCreateTrack   (3)
#define bezCmdCreateLine	(4)

extern wDrawColor lineColor;
extern long lineWidth;

typedef void (*bezMessageProc)( char *, ... );
STATUS_T CmdBezCurve( wAction_t, coOrd);
STATUS_T CmdBezModify(track_p, wAction_t, coOrd, DIST_T);

STATUS_T CreateBezier( wAction_t, coOrd, BOOL_T, wDrawColor, DIST_T, long, bezMessageProc );
DIST_T BezierDescriptionDistance( coOrd, track_p, coOrd *, BOOL_T, BOOL_T * );
STATUS_T BezierDescriptionMove( track_p, wAction_t, coOrd );
BOOL_T GetBezierMiddle( track_p, coOrd * );
BOOL_T ConvertToArcs (coOrd[4], dynArr_t *, BOOL_T, wDrawColor, DIST_T);
track_p NewBezierTrack(coOrd[4], trkSeg_t *, int);
double BezierLength(coOrd[4], dynArr_t);
double BezierOffsetLength(dynArr_t,double offset);
double BezierMinRadius(coOrd[4],dynArr_t);
void UpdateParms(wDrawColor color,long width);

void addSegBezier(dynArr_t * array_p, trkSeg_p seg);