/* Definition of structure describing current curve */

#ifndef CURVE0_H
#define CURVE0_H

typedef struct {
  CharPtr curveLastMsg;		/* last msg associated with a spec point */
  FilePtr CurrentCurvePtr;	/* File Ptr to current curve (its directory) */
  DataLibPos LastOPcoord;	/* Last ordinary point: ptr to coords */
  DataLibPos LastOPsp;		/* Last ordinary point: ptr to special points list */
  DataLibPos LastOPva;		/* Last ordinary point: ptr to visualizer's attribs list */
  Int2 LastSpecialPoint;	/* when !=CurrentSpecialPoint assign to LastOPsp&LastOPva */
  Int2 curveDimG,curvePrevDimG;	/* dimensions of cur and prev G points */
  Int2 pointType,pointPrevType;	/* types of cur and prev G points */
  Int2 CurrentSpecialPoint;	/* ordinal (from 0) number of spec point */
  Int2 CurGNum;			/* ordinal number of current G point */
  Pointtype localpointType;	/* local type of cur G point */
  Boolean Computing;		/* TRUE while Go() is in progress, otherwise FALSE */
  Boolean lastPoint;		/* TRUE when the last point along a curve is processed */
} CurrentCurveData, PNTR CurrentCurveDataPtr;

#endif	/* CURVE0_H */