/**********************************************************************

 *<

	FILE: templt.h



	DESCRIPTION:  Defines 2D Template Object



	CREATED BY: Tom Hudson



	HISTORY: created 31 October 1995



 *>	Copyright (c) 1995, All Rights Reserved.

 **********************************************************************/



#ifndef __TEMPLT_H__ 



#define __TEMPLT_H__



class PolyLine;

class Spline3D;



// A handy 2D floating-point box class



class Box2D {

	public:

		BOOL empty;

		Point2 min, max;

		Box2D() { empty = TRUE; }

		void SetEmpty() { empty = TRUE; }

		CoreExport Box2D& operator+=(const Point2& p);	// expand this box to include p

	};



// This object is used to test shapes for self-intersection, clockwise status, point

// surrounding and intersection with other templates.  The last and first points will be the

// same if it is closed.



class Template {

	public:

		int points;

		BOOL closed;

		Point2 *pts;

		Template(Spline3D *spline);

		Template(PolyLine *line);

		void Create(PolyLine *line);

		~Template();

		Points() { return points; }

		BOOL SurroundsPoint(Point2& point);

		BOOL IsClockWise();

		BOOL SelfIntersects();

		BOOL Intersects(Template &t);

		Box2D Bound();

	};



#endif // __TEMPLT_H__