/* -----------------------------------------------------------------------------
	GSFramework
	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
----------------------------------------------------------------------------- */


#ifndef	__NCOLORGRADIENT__
#define	__NCOLORGRADIENT__


		#include "ntypes.h"
		#include "picture/pict.h"
		#include "color/color.h"


namespace GS {

/*
	@short	Color gradient.
	@author	Emmanuel Julien (ejulien@nworks.fr)
*/
class	Gradient
{
		uint			control_point_count;

		Picture::BlendMode op;

public:

		float			k[8];			///< Gradient coefficient.
		Color			color[8];		///< Gradient color.

inline	uint			GetControlPointCount() const { return control_point_count; }
inline	Picture::BlendMode GetOperator() const { return op; }

inline	void			SetOperator(Picture::BlendMode _op) { op = _op; }
inline	void			Reset() { control_point_count = 0; }

		bool			FromMetaTag(NML::Tag *);

		Gradient()
		{
			control_point_count = 0;
			op = Picture::BlendMultiply;
		}
};

} // GS


#endif	// __NCOLORGRADIENT__