//-----------------------------------------------------------------------------
//  tbrush.h: class to define an abstract brush
//-----------------------------------------------------------------------------
#ifndef TBRUSH_H
#define TBRUSH_H

#ifdef PER_VECCHIO_ELLIPTIC_BRUSH

#include "tcommon.h"

#undef DVAPI
#undef DVVAR

#ifdef TVRENDER_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

// forward declaration
class TStroke;
class TStrokeOutline;

//---------------------------------------------------------------------------------------

class DVAPI TBrush
{
public:
	class OutlineParameter
	{
	public:
		/*double m_pixelSize;*/
		double m_lengthStep; //  max lengthStep (sulla centerline) per la
							 //  linearizzazione dell'outline

		OutlineParameter(/*double pixelSize,*/ double lengthStep = 0)
			/*: m_pixelSize(pixelSize)*/
			: m_lengthStep(lengthStep)
		{
		}
	};

	TBrush() {}
	virtual ~TBrush() {}

	virtual void makeOutline(const TStroke &stroke,
							 TStrokeOutline &outline,
							 const OutlineParameter &param) = 0;

	virtual void draw() = 0;
	virtual TBrush *clone() = 0;
};
#endif //PER_VECCHIO_ELLIPTIC_BRUSH

#endif // TBRUSH_H